9.860142]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  359.865674]  ? fput+0x130/0x1a0
[  359.868953]  ? __bpf_prog_get+0x9b/0x290
[  359.873011]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  359.877848]  ? bpf_prog_test_run+0x130/0x1a0
[  359.882253]  ? __x64_sys_bpf+0x3d8/0x520
[  359.886312]  ? bpf_prog_get+0x20/0x20
[  359.890117]  ? do_syscall_64+0x142/0x820
[  359.894698]  ? do_syscall_64+0x1b9/0x820
[  359.898759]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  359.904124]  ? syscall_return_slowpath+0x5e0/0x5e0
[  359.909046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.913890]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.918901]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  359.923922]  ? prepare_exit_to_usermode+0x291/0x3b0
[  359.928937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.933793]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  359.939177] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  359.939241] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.946184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  359.946191] Call Trace:
[  359.952811] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.961996]  <IRQ>
[  359.964560] syz-executor1 cpuset=syz1 mems_allowed=0
[  359.975032]  dump_stack+0x244/0x39d
[  359.985858]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.991056]  warn_alloc.cold.116+0xb7/0x1bd
[  359.995378]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.000219]  ? lock_downgrade+0x900/0x900
[  360.004368]  ? trace_hardirqs_off+0xb8/0x310
[  360.008791]  ? trace_hardirqs_off+0xb8/0x310
[  360.013200]  __alloc_pages_slowpath+0x26e8/0x2e10
[  360.018063]  ? warn_alloc+0x120/0x120
[  360.021863]  ? warn_alloc+0x120/0x120
[  360.025661]  ? warn_alloc+0x120/0x120
[  360.029458]  ? print_usage_bug+0xc0/0xc0
[  360.033517]  ? print_usage_bug+0xc0/0xc0
[  360.037572]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  360.042773]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.048317]  ? should_fail+0x22d/0xd01
[  360.052203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.057299]  ? __lock_acquire+0x62f/0x4c20
[  360.061530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.066722]  ? __lock_acquire+0x62f/0x4c20
[  360.070953]  ? should_fail+0x22d/0xd01
[  360.074845]  ? mark_held_locks+0x130/0x130
[  360.079078]  ? mark_held_locks+0x130/0x130
[  360.083305]  ? zap_class+0x640/0x640
[  360.087019]  ? zap_class+0x640/0x640
[  360.090732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.096277]  ? check_preemption_disabled+0x48/0x280
[  360.101385]  ? __lock_is_held+0xb5/0x140
[  360.105451]  __alloc_pages_nodemask+0xa80/0xde0
[  360.110115]  ? zap_class+0x640/0x640
[  360.113832]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  360.118851]  ? find_held_lock+0x36/0x1c0
[  360.122915]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.127588]  ? lock_downgrade+0x900/0x900
[  360.131743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.137284]  cache_grow_begin+0xa5/0x8c0
[  360.141336]  ? do_raw_spin_unlock+0xa7/0x330
[  360.145751]  fallback_alloc+0x204/0x2e0
[  360.149727]  ____cache_alloc_node+0x1c7/0x1e0
[  360.154233]  __kmalloc+0x213/0x760
[  360.157778]  ? __neigh_create+0x30b/0x2130
[  360.162012]  __neigh_create+0x30b/0x2130
[  360.166156]  ? __local_bh_enable_ip+0x160/0x260
[  360.170816]  ? __local_bh_enable_ip+0x160/0x260
[  360.175490]  ? mark_held_locks+0x130/0x130
[  360.179717]  ? __local_bh_enable_ip+0x160/0x260
[  360.184390]  ? neigh_hash_alloc+0x1e0/0x1e0
[  360.188712]  ? zap_class+0x640/0x640
[  360.192425]  ? trace_hardirqs_on+0xbd/0x310
[  360.196747]  ? mark_held_locks+0xc7/0x130
[  360.200910]  ? ip6t_do_table+0xd9e/0x1d30
[  360.205052]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.210145]  ? __local_bh_enable_ip+0x160/0x260
[  360.214813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.220351]  ? lock_acquire+0x1ed/0x520
[  360.224324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.229856]  ? check_preemption_disabled+0x48/0x280
[  360.234874]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  360.240409]  ? rcu_pm_notify+0xc0/0xc0
[  360.244291]  ? zap_class+0x640/0x640
[  360.248001]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  360.253190]  ip6_finish_output2+0xa59/0x27a0
[  360.257601]  ? ip6_copy_metadata+0xe30/0xe30
[  360.262007]  ? ip6_mtu+0x39c/0x520
[  360.265544]  ? lock_downgrade+0x900/0x900
[  360.269685]  ? check_preemption_disabled+0x48/0x280
[  360.274696]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.279624]  ? kasan_check_read+0x11/0x20
[  360.283773]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.289046]  ? rcu_softirq_qs+0x20/0x20
[  360.293028]  ? ip6_mtu+0x160/0x520
[  360.296563]  ? find_match+0x10a0/0x10a0
[  360.300535]  ? kasan_check_read+0x11/0x20
[  360.304674]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.309952]  ip6_finish_output+0x58c/0xc60
[  360.314181]  ? ip6_finish_output+0x58c/0xc60
[  360.318597]  ip6_output+0x232/0x9d0
[  360.322220]  ? ip6_finish_output+0xc60/0xc60
[  360.326623]  ? ip6_fragment+0x38e0/0x38e0
[  360.330772]  ? __lock_is_held+0xb5/0x140
[  360.334844]  ndisc_send_skb+0x1005/0x1570
[  360.338995]  ? nf_hook.constprop.33+0x860/0x860
[  360.343661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.349195]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.354647]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.360113]  ndisc_send_rs+0x134/0x6e0
[  360.364009]  addrconf_rs_timer+0x314/0x690
[  360.368242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.372484]  call_timer_fn+0x272/0x920
[  360.376367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.380597]  ? process_timeout+0x40/0x40
[  360.384664]  ? mark_held_locks+0xc7/0x130
[  360.388811]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.393302]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.397790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.402027]  ? lockdep_hardirqs_on+0x296/0x5b0
[  360.406606]  ? trace_hardirqs_on+0xbd/0x310
[  360.410924]  ? kasan_check_read+0x11/0x20
[  360.415062]  ? __run_timers+0x7da/0xc70
[  360.419029]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.424130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.428362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.432589]  __run_timers+0x7e5/0xc70
[  360.436394]  ? timer_fixup_init+0x70/0x70
[  360.440537]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  360.445548]  ? zap_class+0x640/0x640
[  360.449264]  ? print_usage_bug+0xc0/0xc0
[  360.453321]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  360.458517]  ? find_held_lock+0x36/0x1c0
[  360.462577]  ? zap_class+0x640/0x640
[  360.466290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.471826]  ? check_preemption_disabled+0x48/0x280
[  360.476848]  ? __lock_is_held+0xb5/0x140
[  360.480905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.486437]  ? check_preemption_disabled+0x48/0x280
[  360.491452]  run_timer_softirq+0x52/0xb0
[  360.495519]  ? rcu_read_lock_sched_held+0x14f/0x180
[  360.500530]  __do_softirq+0x308/0xb7e
[  360.504332]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  360.508820]  ? lock_downgrade+0x900/0x900
[  360.512965]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  360.518156]  ? pvclock_read_flags+0x160/0x160
[  360.522649]  ? lapic_next_event+0x5a/0x90
[  360.526795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.532331]  ? kvm_clock_read+0x18/0x30
[  360.536298]  ? kvm_sched_clock_read+0x9/0x20
[  360.540710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.546245]  ? check_preemption_disabled+0x48/0x280
[  360.551265]  irq_exit+0x17f/0x1c0
[  360.554724]  smp_apic_timer_interrupt+0x1cb/0x760
[  360.559569]  ? smp_call_function_single_interrupt+0x650/0x650
[  360.565450]  ? interrupt_entry+0xb5/0xc0
[  360.569511]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.574521]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.579533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.584373]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.589384]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.594397]  ? task_prio+0x50/0x50
[  360.597931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.603461]  ? check_preemption_disabled+0x48/0x280
[  360.608479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.613321]  apic_timer_interrupt+0xf/0x20
[  360.617545]  </IRQ>
[  360.619778] RIP: 0010:dump_stack+0x358/0x39d
[  360.624182] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  360.643084] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  360.650790] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  360.658054] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  360.665574] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  360.672835] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  360.680487] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  360.687790]  ? dump_stack+0x34f/0x39d
[  360.691602]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.696790]  ? mark_held_locks+0x130/0x130
[  360.701018]  ? mark_held_locks+0x130/0x130
[  360.705251]  dump_header+0x27b/0xf72
[  360.708972]  ? pagefault_out_of_memory+0x197/0x197
[  360.713906]  ? __lock_acquire+0x62f/0x4c20
[  360.718141]  ? percpu_ref_get_many+0x240/0x240
[  360.722728]  ? print_usage_bug+0xc0/0xc0
[  360.726788]  ? zap_class+0x640/0x640
[  360.730501]  ? print_usage_bug+0xc0/0xc0
[  360.734556]  ? print_usage_bug+0xc0/0xc0
[  360.738612]  ? zap_class+0x640/0x640
[  360.742321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.747859]  ? find_held_lock+0x36/0x1c0
[  360.751922]  ? mark_held_locks+0xc7/0x130
[  360.756067]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  360.761166]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  360.766266]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.770848]  ? trace_hardirqs_on+0xbd/0x310
[  360.775172]  ? kasan_check_read+0x11/0x20
[  360.779317]  ? ___ratelimit+0x3b4/0x672
[  360.783287]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.788384]  ? trace_hardirqs_on+0x310/0x310
[  360.792786]  ? lock_downgrade+0x900/0x900
[  360.796940]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  360.802035]  ? ___ratelimit+0x3b9/0x672
[  360.806005]  ? idr_get_free+0xf70/0xf70
[  360.809972]  ? find_held_lock+0x36/0x1c0
[  360.814034]  oom_kill_process.cold.27+0x10/0x903
[  360.818785]  ? zap_class+0x640/0x640
[  360.822500]  ? check_preemption_disabled+0x48/0x280
[  360.827513]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.832440]  ? kasan_check_read+0x11/0x20
[  360.836583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.841858]  ? oom_evaluate_task+0x540/0x540
[  360.846271]  ? find_held_lock+0x36/0x1c0
[  360.850334]  ? out_of_memory+0x974/0x1430
[  360.854485]  ? lock_downgrade+0x900/0x900
[  360.858628]  ? check_preemption_disabled+0x48/0x280
[  360.863642]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.868568]  ? kasan_check_read+0x11/0x20
[  360.872720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.877993]  ? rcu_softirq_qs+0x20/0x20
[  360.881969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.887761]  ? oom_evaluate_task+0x302/0x540
[  360.892167]  out_of_memory+0xa84/0x1430
[  360.896146]  ? oom_killer_disable+0x3a0/0x3a0
[  360.900637]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  360.905572]  ? __ww_mutex_check_waiters+0x160/0x160
[  360.910598]  __alloc_pages_slowpath+0x2354/0x2e10
[  360.915461]  ? warn_alloc+0x120/0x120
[  360.919258]  ? mark_held_locks+0x130/0x130
[  360.923492]  ? find_get_entry+0xaae/0x1120
[  360.927734]  ? filemap_map_pages+0x1a20/0x1a20
[  360.932315]  ? zap_class+0x640/0x640
[  360.936028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.941564]  ? check_preemption_disabled+0x48/0x280
[  360.946574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.952106]  ? should_fail+0x22d/0xd01
[  360.955997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.961094]  ? zap_class+0x640/0x640
[  360.964826]  ? __lock_is_held+0xb5/0x140
[  360.968891]  ? mark_held_locks+0x130/0x130
[  360.973125]  ? lock_release+0xa00/0xa00
[  360.977092]  ? perf_trace_sched_process_exec+0x860/0x860
[  360.982535]  ? xa_load+0x2ba/0x460
[  360.986075]  ? lock_downgrade+0x900/0x900
[  360.990226]  ? __might_sleep+0x95/0x190
[  360.994198]  __alloc_pages_nodemask+0xa80/0xde0
[  360.998888]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  361.003898]  ? __page_cache_alloc+0x191/0x5c0
[  361.008388]  ? xa_load+0x2e1/0x460
[  361.011928]  ? xa_clear_mark+0x40/0x40
[  361.015812]  ? zap_class+0x640/0x640
[  361.019528]  ? zap_class+0x640/0x640
[  361.023238]  ? zap_class+0x640/0x640
[  361.026945]  ? __do_page_cache_readahead+0x663/0x810
[  361.032046]  ? find_held_lock+0x36/0x1c0
[  361.036106]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  361.041642]  alloc_pages_current+0x173/0x350
[  361.046055]  __page_cache_alloc+0x38c/0x5c0
[  361.050367]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.055290]  ? kasan_check_read+0x11/0x20
[  361.059436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.064711]  ? generic_perform_write+0x6a0/0x6a0
[  361.069465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.074999]  ? check_preemption_disabled+0x48/0x280
[  361.080015]  filemap_fault+0x1595/0x25f0
[  361.084081]  ? __lock_page_or_retry+0xa00/0xa00
[  361.088834]  ? mark_held_locks+0x130/0x130
[  361.093073]  ? filemap_map_pages+0xd6b/0x1a20
[  361.097565]  ? lock_downgrade+0x900/0x900
[  361.101717]  ? check_preemption_disabled+0x48/0x280
[  361.106731]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.111664]  ? kasan_check_read+0x11/0x20
[  361.115810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.121083]  ? rcu_softirq_qs+0x20/0x20
[  361.125063]  ? filemap_map_pages+0xd92/0x1a20
[  361.129556]  ? print_usage_bug+0xc0/0xc0
[  361.133620]  ? find_get_entries_tag+0x1400/0x1400
[  361.138457]  ? __kasan_slab_free+0x102/0x150
[  361.142863]  ? kasan_slab_free+0xe/0x10
[  361.146832]  ? kmem_cache_free+0x83/0x290
[  361.150976]  ? __sigqueue_free.part.29+0x74/0x90
[  361.155745]  ? lock_acquire+0x1ed/0x520
[  361.159715]  ? ext4_filemap_fault+0x7a/0xad
[  361.164040]  ? lock_release+0xa00/0xa00
[  361.168097]  ? perf_trace_sched_process_exec+0x860/0x860
[  361.173543]  ? print_usage_bug+0xc0/0xc0
[  361.177598]  ? print_usage_bug+0xc0/0xc0
[  361.181669]  ? down_read+0x8d/0x120
[  361.185291]  ? ext4_filemap_fault+0x7a/0xad
[  361.189606]  ? __down_interruptible+0x700/0x700
[  361.194280]  ext4_filemap_fault+0x82/0xad
[  361.198429]  __do_fault+0x100/0x6b0
[  361.202058]  ? pmd_devmap_trans_unstable+0x220/0x220
[  361.207163]  ? mark_held_locks+0x130/0x130
[  361.211393]  ? mark_held_locks+0x130/0x130
[  361.215625]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  361.221165]  ? rcu_pm_notify+0xc0/0xc0
[  361.225054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.230589]  __handle_mm_fault+0x3ea0/0x5be0
[  361.234999]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  361.239833]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.244323]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  361.248901]  ? trace_hardirqs_on+0xbd/0x310
[  361.253215]  ? kasan_check_read+0x11/0x20
[  361.257358]  ? __set_current_blocked+0xdf/0x120
[  361.262025]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.267132]  ? zap_class+0x640/0x640
[  361.270839]  ? zap_class+0x640/0x640
[  361.274555]  ? find_held_lock+0x36/0x1c0
[  361.278620]  ? handle_mm_fault+0x42a/0xc70
[  361.282859]  ? lock_downgrade+0x900/0x900
[  361.287000]  ? check_preemption_disabled+0x48/0x280
[  361.292015]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.296935]  ? kasan_check_read+0x11/0x20
[  361.301085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.306356]  ? rcu_softirq_qs+0x20/0x20
[  361.310341]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.315439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.320970]  ? check_preemption_disabled+0x48/0x280
[  361.325990]  handle_mm_fault+0x54f/0xc70
[  361.330053]  ? __handle_mm_fault+0x5be0/0x5be0
[  361.334633]  ? find_vma+0x34/0x190
[  361.338179]  __do_page_fault+0x5e8/0xe60
[  361.342239]  ? exit_to_usermode_loop+0x1f4/0x380
[  361.346998]  do_page_fault+0xf2/0x7e0
[  361.350795]  ? vmalloc_sync_all+0x30/0x30
[  361.354937]  ? error_entry+0x70/0xd0
[  361.358654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.363674]  ? trace_hardirqs_on_caller+0xc0/0x310
[  361.368599]  ? syscall_return_slowpath+0x5e0/0x5e0
[  361.373523]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.378362]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.383371]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  361.388818]  ? prepare_exit_to_usermode+0x291/0x3b0
[  361.393830]  ? page_fault+0x8/0x30
[  361.397370]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.402212]  ? page_fault+0x8/0x30
[  361.405748]  page_fault+0x1e/0x30
[  361.409196] RIP: 0033:0x45db60
[  361.412393] Code: Bad RIP value.
[  361.415746] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  361.421105] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  361.428379] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  361.435657] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  361.442924] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  361.450186] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  361.457465] warn_alloc_show_mem: 1 callbacks suppressed
[  361.457475] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  361.457477] Mem-Info:
[  361.457505] active_anon:52805 inactive_anon:249 isolated_anon:0
[  361.457505]  active_file:17 inactive_file:10 isolated_file:0
[  361.457505]  unevictable:0 dirty:0 writeback:0 unstable:0
[  361.457505]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  361.457505]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  361.457505]  free:13758 free_pcp:272 free_cma:0
[  361.462842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.470282] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  361.472692] Call Trace:
[  361.505729] 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
[  361.516087]  <IRQ>
[  361.543659] lowmem_reserve[]: 0 2818 6321 6321
[  361.546235]  dump_stack+0x244/0x39d
[  361.572306] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  361.574451]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.578994] lowmem_reserve[]: 0 0 3503 3503
[  361.582636]  warn_alloc.cold.116+0xb7/0x1bd
[  361.609920] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  361.615100]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.619387] lowmem_reserve[]: 0 0 0 0
[  361.623702]  ? lock_downgrade+0x900/0x900
[  361.652555] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  361.657394]  ? trace_hardirqs_off+0xb8/0x310
[  361.661166] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  361.665307]  ? trace_hardirqs_off+0xb8/0x310
[  361.678792] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  361.683206]  __alloc_pages_slowpath+0x26e8/0x2e10
[  361.698357] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  361.702781]  ? warn_alloc+0x120/0x120
[  361.718174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  361.723001]  ? print_usage_bug+0xc0/0xc0
[  361.731807] 326 total pagecache pages
[  361.735594]  ? warn_alloc+0x120/0x120
[  361.744153] 0 pages in swap cache
[  361.748198]  ? warn_alloc+0x120/0x120
[  361.751971] Swap cache stats: add 0, delete 0, find 0/0
[  361.755757]  ? print_usage_bug+0xc0/0xc0
[  361.759181] Free swap  = 0kB
[  361.762967]  ? kvm_clock_read+0x18/0x30
[  361.768297] Total swap = 0kB
[  361.772342]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  361.775333] 1965979 pages RAM
[  361.779294]  ? print_usage_bug+0xc0/0xc0
[  361.782277] 0 pages HighMem/MovableOnly
[  361.782285] 342854 pages reserved
[  361.787284]  ? __lock_acquire+0x62f/0x4c20
[  361.790361] 0 pages cma reserved
[  361.794409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.798640] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.801795]  ? should_fail+0x22d/0xd01
[  361.805997] syz-fuzzer cpuset=/ mems_allowed=0
[  361.809350]  ? __lock_acquire+0x62f/0x4c20
[  361.837719]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.842820]  ? __lock_acquire+0x62f/0x4c20
[  361.847052]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.852155]  ? __lock_acquire+0x62f/0x4c20
[  361.856384]  ? should_fail+0x22d/0xd01
[  361.860274]  ? mark_held_locks+0x130/0x130
[  361.864507]  ? mark_held_locks+0x130/0x130
[  361.868736]  ? try_to_wake_up+0x11c/0x1490
[  361.872967]  ? lock_downgrade+0x900/0x900
[  361.877116]  ? zap_class+0x640/0x640
[  361.880826]  ? print_usage_bug+0xc0/0xc0
[  361.884879]  ? trace_hardirqs_off+0xb8/0x310
[  361.889281]  ? kasan_check_read+0x11/0x20
[  361.893431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.898964]  ? check_preemption_disabled+0x48/0x280
[  361.903986]  ? __lock_is_held+0xb5/0x140
[  361.908048]  __alloc_pages_nodemask+0xa80/0xde0
[  361.912712]  ? zap_class+0x640/0x640
[  361.916425]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  361.921447]  ? find_held_lock+0x36/0x1c0
[  361.925510]  ? ____cache_alloc_node+0x1c7/0x1e0
[  361.930174]  ? lock_downgrade+0x900/0x900
[  361.934323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.939858]  cache_grow_begin+0xa5/0x8c0
[  361.943912]  ? do_raw_spin_unlock+0xa7/0x330
[  361.948322]  fallback_alloc+0x204/0x2e0
[  361.952297]  ____cache_alloc_node+0x1c7/0x1e0
[  361.956795]  kmem_cache_alloc_node+0xe3/0x730
[  361.961287]  ? ipv6_get_ifaddr+0x42e/0x620
[  361.965525]  __alloc_skb+0x119/0x770
[  361.969232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.974504]  ? netdev_alloc_frag+0x1f0/0x1f0
[  361.978908]  ? lock_downgrade+0x900/0x900
[  361.983056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.988595]  ? refcount_sub_and_test_checked+0x203/0x310
[  361.994048]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  361.999493]  ? addrconf_rs_timer+0x690/0x690
[  362.003917]  ndisc_alloc_skb+0x144/0x340
[  362.007983]  ndisc_send_rs+0x331/0x6e0
[  362.011876]  addrconf_rs_timer+0x314/0x690
[  362.016111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.020357]  call_timer_fn+0x272/0x920
[  362.024237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.028465]  ? process_timeout+0x40/0x40
[  362.032528]  ? __run_timers+0x7da/0xc70
[  362.036499]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.040985]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.045475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.049704]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.054285]  ? trace_hardirqs_on+0xbd/0x310
[  362.058611]  ? kasan_check_read+0x11/0x20
[  362.062752]  ? __run_timers+0x7da/0xc70
[  362.066827]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.071934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.076163]  __run_timers+0x7e5/0xc70
[  362.080144]  ? timer_fixup_init+0x70/0x70
[  362.084294]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  362.089304]  ? zap_class+0x640/0x640
[  362.093017]  ? enqueue_hrtimer+0x1a5/0x560
[  362.097249]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  362.102442]  ? find_held_lock+0x36/0x1c0
[  362.106506]  ? zap_class+0x640/0x640
[  362.110218]  ? pvclock_read_flags+0x160/0x160
[  362.114732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.120263]  ? check_preemption_disabled+0x48/0x280
[  362.125281]  ? __lock_is_held+0xb5/0x140
[  362.129337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.134869]  ? check_preemption_disabled+0x48/0x280
[  362.139885]  run_timer_softirq+0x52/0xb0
[  362.143940]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.148950]  __do_softirq+0x308/0xb7e
[  362.152748]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  362.157250]  ? lock_downgrade+0x900/0x900
[  362.161396]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.166502]  ? pvclock_read_flags+0x160/0x160
[  362.171001]  ? lapic_next_event+0x5a/0x90
[  362.175147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.180707]  ? kvm_clock_read+0x18/0x30
[  362.184675]  ? kvm_sched_clock_read+0x9/0x20
[  362.189080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.194613]  ? check_preemption_disabled+0x48/0x280
[  362.199633]  irq_exit+0x17f/0x1c0
[  362.203082]  smp_apic_timer_interrupt+0x1cb/0x760
[  362.207922]  ? smp_call_function_single_interrupt+0x159/0x650
[  362.213828]  ? smp_call_function_single_interrupt+0x650/0x650
[  362.219706]  ? interrupt_entry+0xb5/0xc0
[  362.223760]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.228772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.233794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.238631]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.243642]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.248651]  ? task_prio+0x50/0x50
[  362.252185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.257738]  ? check_preemption_disabled+0x48/0x280
[  362.262753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.267604]  apic_timer_interrupt+0xf/0x20
[  362.271831]  </IRQ>
[  362.274063] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  362.279946] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  362.298837] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  362.306538] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  362.313807] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  362.321068] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  362.328338] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  362.335601] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  362.342888]  ? save_stack+0xa9/0xd0
[  362.346520]  __kmalloc_node_track_caller+0x3c/0x70
[  362.351450]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  362.356208]  pskb_expand_head+0x230/0x10f0
[  362.360445]  ? memcpy+0x45/0x50
[  362.363724]  ? __copy_skb_header+0x350/0x6b0
[  362.368130]  ? skb_release_data+0x880/0x880
[  362.372444]  ? __alloc_skb+0x770/0x770
[  362.376334]  ? __lock_is_held+0xb5/0x140
[  362.380400]  ? kasan_check_write+0x14/0x20
[  362.384977]  ? __skb_clone+0x6c7/0xa00
[  362.388859]  ? __copy_skb_header+0x6b0/0x6b0
[  362.393264]  ? kmem_cache_alloc+0x33a/0x730
[  362.397596]  skb_ensure_writable+0x3dd/0x640
[  362.402002]  ? skb_checksum_setup+0xaa0/0xaa0
[  362.406491]  ? check_preemption_disabled+0x48/0x280
[  362.411505]  ? __this_cpu_preempt_check+0x1c/0x20
[  362.416340]  ? __bpf_redirect+0x54b/0xb20
[  362.420492]  bpf_clone_redirect+0x14a/0x490
[  362.424824]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  362.429837]  ? __sched_text_start+0x8/0x8
[  362.433981]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  362.438564]  ? retint_kernel+0x2d/0x2d
[  362.442453]  ? trace_hardirqs_on_caller+0xc0/0x310
[  362.447383]  ? find_held_lock+0x36/0x1c0
[  362.451450]  ? lock_acquire+0x1ed/0x520
[  362.455423]  ? bpf_test_run+0x3cb/0x780
[  362.459392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.464926]  ? check_preemption_disabled+0x48/0x280
[  362.469941]  ? kasan_check_read+0x11/0x20
[  362.474087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.479362]  ? rcu_softirq_qs+0x20/0x20
[  362.483336]  ? preempt_schedule+0x4d/0x60
[  362.487481]  ? ___preempt_schedule+0x16/0x18
[  362.491895]  ? bpf_test_run+0x25d/0x780
[  362.495875]  ? netlink_diag_dump+0x2a0/0x2a0
[  362.500289]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  362.505048]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  362.509888]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  362.515420]  ? fput+0x130/0x1a0
[  362.518696]  ? __bpf_prog_get+0x9b/0x290
[  362.522754]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  362.527592]  ? bpf_prog_test_run+0x130/0x1a0
[  362.531998]  ? __x64_sys_bpf+0x3d8/0x520
[  362.536062]  ? bpf_prog_get+0x20/0x20
[  362.539872]  ? do_syscall_64+0x142/0x820
[  362.543935]  ? do_syscall_64+0x1b9/0x820
[  362.547989]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  362.553353]  ? syscall_return_slowpath+0x5e0/0x5e0
[  362.558275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.563118]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.568140]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  362.573153]  ? prepare_exit_to_usermode+0x291/0x3b0
[  362.578182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.583025]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  362.588402] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  362.588460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  362.595410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  362.595417] Call Trace:
[  362.601967] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.611239]  <IRQ>
[  362.613806] syz-executor1 cpuset=syz1 mems_allowed=0
[  362.624278]  dump_stack+0x244/0x39d
[  362.635106]  ? dump_stack_print_info.cold.1+0x20/0x20
[  362.640302]  warn_alloc.cold.116+0xb7/0x1bd
[  362.644618]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.649458]  ? lock_downgrade+0x900/0x900
[  362.653610]  ? trace_hardirqs_off+0xb8/0x310
[  362.658017]  ? trace_hardirqs_off+0xb8/0x310
[  362.662427]  __alloc_pages_slowpath+0x26e8/0x2e10
[  362.667292]  ? warn_alloc+0x120/0x120
[  362.671094]  ? warn_alloc+0x120/0x120
[  362.675401]  ? warn_alloc+0x120/0x120
[  362.679202]  ? print_usage_bug+0xc0/0xc0
[  362.683266]  ? print_usage_bug+0xc0/0xc0
[  362.687319]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  362.692514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.698049]  ? should_fail+0x22d/0xd01
[  362.701935]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.707034]  ? __lock_acquire+0x62f/0x4c20
[  362.711270]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.716367]  ? __lock_acquire+0x62f/0x4c20
[  362.720597]  ? should_fail+0x22d/0xd01
[  362.724492]  ? mark_held_locks+0x130/0x130
[  362.728727]  ? mark_held_locks+0x130/0x130
[  362.732954]  ? zap_class+0x640/0x640
[  362.736668]  ? zap_class+0x640/0x640
[  362.740382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.745915]  ? check_preemption_disabled+0x48/0x280
[  362.750934]  ? __lock_is_held+0xb5/0x140
[  362.754999]  __alloc_pages_nodemask+0xa80/0xde0
[  362.759671]  ? zap_class+0x640/0x640
[  362.763389]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  362.768412]  ? find_held_lock+0x36/0x1c0
[  362.772477]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.777146]  ? lock_downgrade+0x900/0x900
[  362.781293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.786828]  cache_grow_begin+0xa5/0x8c0
[  362.790882]  ? do_raw_spin_unlock+0xa7/0x330
[  362.795300]  fallback_alloc+0x204/0x2e0
[  362.799277]  ____cache_alloc_node+0x1c7/0x1e0
[  362.803948]  __kmalloc+0x213/0x760
[  362.807487]  ? __neigh_create+0x30b/0x2130
[  362.811727]  __neigh_create+0x30b/0x2130
[  362.815787]  ? __local_bh_enable_ip+0x160/0x260
[  362.820447]  ? __local_bh_enable_ip+0x160/0x260
[  362.825124]  ? mark_held_locks+0x130/0x130
[  362.829350]  ? __local_bh_enable_ip+0x160/0x260
[  362.834013]  ? neigh_hash_alloc+0x1e0/0x1e0
[  362.838329]  ? zap_class+0x640/0x640
[  362.842037]  ? trace_hardirqs_on+0xbd/0x310
[  362.846350]  ? mark_held_locks+0xc7/0x130
[  362.850497]  ? ip6t_do_table+0xd9e/0x1d30
[  362.854650]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.859746]  ? __local_bh_enable_ip+0x160/0x260
[  362.864414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.869952]  ? lock_acquire+0x1ed/0x520
[  362.873927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.879459]  ? check_preemption_disabled+0x48/0x280
[  362.884478]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  362.890011]  ? rcu_pm_notify+0xc0/0xc0
[  362.893902]  ? zap_class+0x640/0x640
[  362.897609]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  362.902804]  ip6_finish_output2+0xa59/0x27a0
[  362.907214]  ? ip6_copy_metadata+0xe30/0xe30
[  362.911624]  ? ip6_mtu+0x39c/0x520
[  362.915159]  ? lock_downgrade+0x900/0x900
[  362.919301]  ? check_preemption_disabled+0x48/0x280
[  362.924323]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.929244]  ? kasan_check_read+0x11/0x20
[  362.933387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.938662]  ? rcu_softirq_qs+0x20/0x20
[  362.942646]  ? ip6_mtu+0x160/0x520
[  362.946180]  ? find_match+0x10a0/0x10a0
[  362.950148]  ? kasan_check_read+0x11/0x20
[  362.954307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.959581]  ip6_finish_output+0x58c/0xc60
[  362.963810]  ? ip6_finish_output+0x58c/0xc60
[  362.968218]  ip6_output+0x232/0x9d0
[  362.971845]  ? ip6_finish_output+0xc60/0xc60
[  362.976253]  ? ip6_fragment+0x38e0/0x38e0
[  362.980399]  ? __lock_is_held+0xb5/0x140
[  362.984470]  ndisc_send_skb+0x1005/0x1570
[  362.988620]  ? nf_hook.constprop.33+0x860/0x860
[  362.993298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.998916]  ? refcount_sub_and_test_checked+0x203/0x310
[  363.004367]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  363.009823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.015362]  ndisc_send_rs+0x134/0x6e0
[  363.019249]  addrconf_rs_timer+0x314/0x690
[  363.023482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.027726]  call_timer_fn+0x272/0x920
[  363.031606]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.035838]  ? process_timeout+0x40/0x40
[  363.039902]  ? mark_held_locks+0xc7/0x130
[  363.044048]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.048539]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.053027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.057257]  ? lockdep_hardirqs_on+0x296/0x5b0
[  363.061836]  ? trace_hardirqs_on+0xbd/0x310
[  363.066151]  ? kasan_check_read+0x11/0x20
[  363.070289]  ? __run_timers+0x7da/0xc70
[  363.074257]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.079357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.083590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.087816]  __run_timers+0x7e5/0xc70
[  363.091621]  ? timer_fixup_init+0x70/0x70
[  363.095764]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  363.100777]  ? zap_class+0x640/0x640
[  363.104499]  ? print_usage_bug+0xc0/0xc0
[  363.108562]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  363.113754]  ? find_held_lock+0x36/0x1c0
[  363.117814]  ? zap_class+0x640/0x640
[  363.121538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.127071]  ? check_preemption_disabled+0x48/0x280
[  363.132093]  ? __lock_is_held+0xb5/0x140
[  363.136150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.141681]  ? check_preemption_disabled+0x48/0x280
[  363.146694]  run_timer_softirq+0x52/0xb0
[  363.150752]  ? rcu_read_lock_sched_held+0x14f/0x180
[  363.155774]  __do_softirq+0x308/0xb7e
[  363.159577]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  363.164065]  ? lock_downgrade+0x900/0x900
[  363.168210]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  363.173317]  ? pvclock_read_flags+0x160/0x160
[  363.177808]  ? lapic_next_event+0x5a/0x90
[  363.181952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.187495]  ? kvm_clock_read+0x18/0x30
[  363.191465]  ? kvm_sched_clock_read+0x9/0x20
[  363.195882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.201414]  ? check_preemption_disabled+0x48/0x280
[  363.206433]  irq_exit+0x17f/0x1c0
[  363.209901]  smp_apic_timer_interrupt+0x1cb/0x760
[  363.214742]  ? smp_call_function_single_interrupt+0x650/0x650
[  363.220619]  ? interrupt_entry+0xb5/0xc0
[  363.224676]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.229688]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.234700]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.239539]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.244547]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.249556]  ? task_prio+0x50/0x50
[  363.253094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.258624]  ? check_preemption_disabled+0x48/0x280
[  363.263638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.268487]  apic_timer_interrupt+0xf/0x20
[  363.272722]  </IRQ>
[  363.274974] RIP: 0010:dump_stack+0x358/0x39d
[  363.279377] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  363.298266] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  363.305970] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  363.313234] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  363.320505] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  363.327774] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  363.335033] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  363.342312]  ? dump_stack+0x34f/0x39d
[  363.346124]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.351312]  ? mark_held_locks+0x130/0x130
[  363.355544]  ? mark_held_locks+0x130/0x130
[  363.359776]  dump_header+0x27b/0xf72
[  363.363501]  ? pagefault_out_of_memory+0x197/0x197
[  363.368435]  ? __lock_acquire+0x62f/0x4c20
[  363.372667]  ? percpu_ref_get_many+0x240/0x240
[  363.377246]  ? print_usage_bug+0xc0/0xc0
[  363.381307]  ? zap_class+0x640/0x640
[  363.385016]  ? print_usage_bug+0xc0/0xc0
[  363.389072]  ? print_usage_bug+0xc0/0xc0
[  363.393130]  ? zap_class+0x640/0x640
[  363.396844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.402384]  ? find_held_lock+0x36/0x1c0
[  363.406446]  ? mark_held_locks+0xc7/0x130
[  363.410595]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  363.415694]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  363.420793]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  363.425375]  ? trace_hardirqs_on+0xbd/0x310
[  363.429688]  ? kasan_check_read+0x11/0x20
[  363.433827]  ? ___ratelimit+0x3b4/0x672
[  363.437797]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.442894]  ? trace_hardirqs_on+0x310/0x310
[  363.447296]  ? lock_downgrade+0x900/0x900
[  363.451441]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  363.456544]  ? ___ratelimit+0x3b9/0x672
[  363.460519]  ? idr_get_free+0xf70/0xf70
[  363.464490]  ? find_held_lock+0x36/0x1c0
[  363.468559]  oom_kill_process.cold.27+0x10/0x903
[  363.473315]  ? zap_class+0x640/0x640
[  363.477024]  ? check_preemption_disabled+0x48/0x280
[  363.482037]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.486958]  ? kasan_check_read+0x11/0x20
[  363.491098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.496373]  ? oom_evaluate_task+0x540/0x540
[  363.500784]  ? find_held_lock+0x36/0x1c0
[  363.504846]  ? out_of_memory+0x974/0x1430
[  363.509473]  ? lock_downgrade+0x900/0x900
[  363.513621]  ? check_preemption_disabled+0x48/0x280
[  363.518634]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.523557]  ? kasan_check_read+0x11/0x20
[  363.527700]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.532969]  ? rcu_softirq_qs+0x20/0x20
[  363.536942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.542480]  ? oom_evaluate_task+0x302/0x540
[  363.546888]  out_of_memory+0xa84/0x1430
[  363.550864]  ? oom_killer_disable+0x3a0/0x3a0
[  363.555358]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  363.560289]  ? __ww_mutex_check_waiters+0x160/0x160
[  363.565309]  __alloc_pages_slowpath+0x2354/0x2e10
[  363.570173]  ? warn_alloc+0x120/0x120
[  363.573966]  ? mark_held_locks+0x130/0x130
[  363.578202]  ? find_get_entry+0xaae/0x1120
[  363.582441]  ? filemap_map_pages+0x1a20/0x1a20
[  363.587027]  ? zap_class+0x640/0x640
[  363.590745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.596276]  ? check_preemption_disabled+0x48/0x280
[  363.601289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.606822]  ? should_fail+0x22d/0xd01
[  363.610708]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.615806]  ? zap_class+0x640/0x640
[  363.619538]  ? __lock_is_held+0xb5/0x140
[  363.623601]  ? mark_held_locks+0x130/0x130
[  363.627835]  ? lock_release+0xa00/0xa00
[  363.631804]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.637247]  ? xa_load+0x2ba/0x460
[  363.640782]  ? lock_downgrade+0x900/0x900
[  363.644929]  ? __might_sleep+0x95/0x190
[  363.648902]  __alloc_pages_nodemask+0xa80/0xde0
[  363.653571]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  363.658585]  ? __page_cache_alloc+0x191/0x5c0
[  363.663078]  ? xa_load+0x2e1/0x460
[  363.666617]  ? xa_clear_mark+0x40/0x40
[  363.670502]  ? zap_class+0x640/0x640
[  363.674215]  ? zap_class+0x640/0x640
[  363.677925]  ? zap_class+0x640/0x640
[  363.681638]  ? __do_page_cache_readahead+0x663/0x810
[  363.686741]  ? find_held_lock+0x36/0x1c0
[  363.690891]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  363.696431]  alloc_pages_current+0x173/0x350
[  363.700845]  __page_cache_alloc+0x38c/0x5c0
[  363.705156]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.710084]  ? kasan_check_read+0x11/0x20
[  363.714227]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.719506]  ? generic_perform_write+0x6a0/0x6a0
[  363.724261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.729794]  ? check_preemption_disabled+0x48/0x280
[  363.734813]  filemap_fault+0x1595/0x25f0
[  363.738877]  ? __lock_page_or_retry+0xa00/0xa00
[  363.743543]  ? mark_held_locks+0x130/0x130
[  363.747782]  ? filemap_map_pages+0xd6b/0x1a20
[  363.752271]  ? lock_downgrade+0x900/0x900
[  363.756417]  ? check_preemption_disabled+0x48/0x280
[  363.761446]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.766374]  ? kasan_check_read+0x11/0x20
[  363.770519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.775789]  ? rcu_softirq_qs+0x20/0x20
[  363.779772]  ? filemap_map_pages+0xd92/0x1a20
[  363.784264]  ? print_usage_bug+0xc0/0xc0
[  363.788333]  ? find_get_entries_tag+0x1400/0x1400
[  363.793168]  ? __kasan_slab_free+0x102/0x150
[  363.797579]  ? kasan_slab_free+0xe/0x10
[  363.801549]  ? kmem_cache_free+0x83/0x290
[  363.805697]  ? __sigqueue_free.part.29+0x74/0x90
[  363.810479]  ? lock_acquire+0x1ed/0x520
[  363.814455]  ? ext4_filemap_fault+0x7a/0xad
[  363.818784]  ? lock_release+0xa00/0xa00
[  363.822748]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.828193]  ? print_usage_bug+0xc0/0xc0
[  363.832250]  ? print_usage_bug+0xc0/0xc0
[  363.836319]  ? down_read+0x8d/0x120
[  363.839941]  ? ext4_filemap_fault+0x7a/0xad
[  363.844256]  ? __down_interruptible+0x700/0x700
[  363.848926]  ext4_filemap_fault+0x82/0xad
[  363.853088]  __do_fault+0x100/0x6b0
[  363.856712]  ? pmd_devmap_trans_unstable+0x220/0x220
[  363.861813]  ? mark_held_locks+0x130/0x130
[  363.866045]  ? mark_held_locks+0x130/0x130
[  363.870278]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  363.875811]  ? rcu_pm_notify+0xc0/0xc0
[  363.879701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.885247]  __handle_mm_fault+0x3ea0/0x5be0
[  363.889658]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  363.894492]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.898983]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  363.903562]  ? trace_hardirqs_on+0xbd/0x310
[  363.907876]  ? kasan_check_read+0x11/0x20
[  363.912018]  ? __set_current_blocked+0xdf/0x120
[  363.916687]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.921798]  ? zap_class+0x640/0x640
[  363.925516]  ? zap_class+0x640/0x640
[  363.929233]  ? find_held_lock+0x36/0x1c0
[  363.933295]  ? handle_mm_fault+0x42a/0xc70
[  363.937527]  ? lock_downgrade+0x900/0x900
[  363.941671]  ? check_preemption_disabled+0x48/0x280
[  363.946683]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.951607]  ? kasan_check_read+0x11/0x20
[  363.955749]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.961017]  ? rcu_softirq_qs+0x20/0x20
[  363.964988]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.970088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.975623]  ? check_preemption_disabled+0x48/0x280
[  363.980643]  handle_mm_fault+0x54f/0xc70
[  363.984702]  ? __handle_mm_fault+0x5be0/0x5be0
[  363.989284]  ? find_vma+0x34/0x190
[  363.992828]  __do_page_fault+0x5e8/0xe60
[  363.996885]  ? exit_to_usermode_loop+0x1f4/0x380
[  364.001642]  do_page_fault+0xf2/0x7e0
[  364.005444]  ? vmalloc_sync_all+0x30/0x30
[  364.009589]  ? error_entry+0x70/0xd0
[  364.013297]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.018304]  ? trace_hardirqs_on_caller+0xc0/0x310
[  364.023229]  ? syscall_return_slowpath+0x5e0/0x5e0
[  364.028151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.032986]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.037999]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  364.043459]  ? prepare_exit_to_usermode+0x291/0x3b0
[  364.048474]  ? page_fault+0x8/0x30
[  364.052010]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.056848]  ? page_fault+0x8/0x30
[  364.060383]  page_fault+0x1e/0x30
[  364.063830] RIP: 0033:0x45db60
[  364.067027] Code: Bad RIP value.
[  364.070384] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  364.075747] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  364.083008] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  364.090267] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  364.097527] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  364.104789] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  364.112068] warn_alloc_show_mem: 1 callbacks suppressed
[  364.112078] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  364.112079] Mem-Info:
[  364.112109] active_anon:52805 inactive_anon:249 isolated_anon:0
[  364.112109]  active_file:17 inactive_file:10 isolated_file:0
[  364.112109]  unevictable:0 dirty:0 writeback:0 unstable:0
[  364.112109]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  364.112109]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  364.112109]  free:13758 free_pcp:272 free_cma:0
[  364.117447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  364.117456] Call Trace:
[  364.124817] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  364.127204]  <IRQ>
[  364.160058] 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
[  364.169414]  dump_stack+0x244/0x39d
[  364.171968] lowmem_reserve[]: 0 2818 6321 6321
[  364.199545]  ? dump_stack_print_info.cold.1+0x20/0x20
[  364.201668] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  364.227774]  warn_alloc.cold.116+0xb7/0x1bd
[  364.231357] lowmem_reserve[]: 0 0 3503 3503
[  364.235940]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.241095] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  364.268427]  ? lock_downgrade+0x900/0x900
[  364.272722] lowmem_reserve[]: 0 0 0 0
[  364.277035]  ? trace_hardirqs_off+0xb8/0x310
[  364.281843] 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
[  364.310717]  ? trace_hardirqs_off+0xb8/0x310
[  364.314831] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  364.318627]  __alloc_pages_slowpath+0x26e8/0x2e10
[  364.323003] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  364.336545]  ? warn_alloc+0x120/0x120
[  364.340906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  364.356058]  ? print_usage_bug+0xc0/0xc0
[  364.360880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  364.376293]  ? warn_alloc+0x120/0x120
[  364.380066] 326 total pagecache pages
[  364.388888]  ? warn_alloc+0x120/0x120
[  364.392925] 0 pages in swap cache
[  364.401486]  ? print_usage_bug+0xc0/0xc0
[  364.405258] Swap cache stats: add 0, delete 0, find 0/0
[  364.409042]  ? kvm_clock_read+0x18/0x30
[  364.412812] Free swap  = 0kB
[  364.416259]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  364.420288] Total swap = 0kB
[  364.425636]  ? print_usage_bug+0xc0/0xc0
[  364.429579] 1965979 pages RAM
[  364.432584]  ? __lock_acquire+0x62f/0x4c20
[  364.437568] 0 pages HighMem/MovableOnly
[  364.437575] 342854 pages reserved
[  364.440582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.444613] 0 pages cma reserved
[  364.447705]  ? should_fail+0x22d/0xd01
[  364.452965] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.456475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.459901] syz-fuzzer cpuset=/ mems_allowed=0
[  364.465428]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.497752]  ? __lock_acquire+0x62f/0x4c20
[  364.501984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.507083]  ? __lock_acquire+0x62f/0x4c20
[  364.511310]  ? should_fail+0x22d/0xd01
[  364.515196]  ? rcu_irq_exit+0x1a2/0x390
[  364.519191]  ? mark_held_locks+0x130/0x130
[  364.523428]  ? mark_held_locks+0x130/0x130
[  364.527667]  ? mark_held_locks+0xc7/0x130
[  364.531810]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  364.536819]  ? zap_class+0x640/0x640
[  364.540527]  ? print_usage_bug+0xc0/0xc0
[  364.544590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.550126]  ? check_preemption_disabled+0x48/0x280
[  364.555158]  ? __lock_is_held+0xb5/0x140
[  364.559219]  __alloc_pages_nodemask+0xa80/0xde0
[  364.563882]  ? zap_class+0x640/0x640
[  364.567600]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  364.572624]  ? find_held_lock+0x36/0x1c0
[  364.576692]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.581360]  ? lock_downgrade+0x900/0x900
[  364.585515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.591054]  cache_grow_begin+0xa5/0x8c0
[  364.595106]  ? do_raw_spin_unlock+0xa7/0x330
[  364.599520]  fallback_alloc+0x204/0x2e0
[  364.603494]  ____cache_alloc_node+0x1c7/0x1e0
[  364.607991]  kmem_cache_alloc_node+0xe3/0x730
[  364.612486]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.616728]  __alloc_skb+0x119/0x770
[  364.620434]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.625710]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.630114]  ? lock_downgrade+0x900/0x900
[  364.634263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.639793]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.645245]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  364.650688]  ? addrconf_rs_timer+0x690/0x690
[  364.655102]  ndisc_alloc_skb+0x144/0x340
[  364.659159]  ndisc_send_rs+0x331/0x6e0
[  364.663046]  addrconf_rs_timer+0x314/0x690
[  364.667281]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.671518]  call_timer_fn+0x272/0x920
[  364.675944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.680177]  ? process_timeout+0x40/0x40
[  364.684237]  ? __run_timers+0x7da/0xc70
[  364.688207]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.692694]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.697186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.701419]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.705997]  ? trace_hardirqs_on+0xbd/0x310
[  364.710315]  ? kasan_check_read+0x11/0x20
[  364.714457]  ? __run_timers+0x7da/0xc70
[  364.718430]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.723530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.727767]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.731993]  __run_timers+0x7e5/0xc70
[  364.735801]  ? timer_fixup_init+0x70/0x70
[  364.739948]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  364.744958]  ? zap_class+0x640/0x640
[  364.748669]  ? enqueue_hrtimer+0x1a5/0x560
[  364.752904]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  364.758095]  ? find_held_lock+0x36/0x1c0
[  364.762153]  ? zap_class+0x640/0x640
[  364.765865]  ? pvclock_read_flags+0x160/0x160
[  364.770367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.775913]  ? check_preemption_disabled+0x48/0x280
[  364.780939]  ? __lock_is_held+0xb5/0x140
[  364.784996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.790532]  ? check_preemption_disabled+0x48/0x280
[  364.795552]  run_timer_softirq+0x52/0xb0
[  364.799610]  ? rcu_read_lock_sched_held+0x14f/0x180
[  364.804628]  __do_softirq+0x308/0xb7e
[  364.808428]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  364.812924]  ? lock_downgrade+0x900/0x900
[  364.817072]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.822176]  ? pvclock_read_flags+0x160/0x160
[  364.826667]  ? lapic_next_event+0x5a/0x90
[  364.830812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.836349]  ? kvm_clock_read+0x18/0x30
[  364.840323]  ? kvm_sched_clock_read+0x9/0x20
[  364.844734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.850266]  ? check_preemption_disabled+0x48/0x280
[  364.855284]  irq_exit+0x17f/0x1c0
[  364.858735]  smp_apic_timer_interrupt+0x1cb/0x760
[  364.863571]  ? smp_call_function_single_interrupt+0x159/0x650
[  364.869454]  ? smp_call_function_single_interrupt+0x650/0x650
[  364.875331]  ? interrupt_entry+0xb5/0xc0
[  364.879409]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.884423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.889432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.894269]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.899278]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.904291]  ? task_prio+0x50/0x50
[  364.907826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.913366]  ? check_preemption_disabled+0x48/0x280
[  364.918394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.923243]  apic_timer_interrupt+0xf/0x20
[  364.927471]  </IRQ>
[  364.929710] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  364.935593] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  364.954488] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  364.962191] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  364.969452] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  364.976713] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  364.983982] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  364.991243] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  364.998535]  ? save_stack+0xa9/0xd0
[  365.002169]  __kmalloc_node_track_caller+0x3c/0x70
[  365.007096]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  365.011878]  pskb_expand_head+0x230/0x10f0
[  365.016111]  ? memcpy+0x45/0x50
[  365.019388]  ? __copy_skb_header+0x350/0x6b0
[  365.023795]  ? skb_release_data+0x880/0x880
[  365.028110]  ? __alloc_skb+0x770/0x770
[  365.032021]  ? __lock_is_held+0xb5/0x140
[  365.036088]  ? kasan_check_write+0x14/0x20
[  365.040316]  ? __skb_clone+0x6c7/0xa00
[  365.044205]  ? __copy_skb_header+0x6b0/0x6b0
[  365.048610]  ? kmem_cache_alloc+0x33a/0x730
[  365.052935]  skb_ensure_writable+0x3dd/0x640
[  365.057348]  ? skb_checksum_setup+0xaa0/0xaa0
[  365.061857]  ? check_preemption_disabled+0x48/0x280
[  365.066880]  ? __this_cpu_preempt_check+0x1c/0x20
[  365.071717]  ? __bpf_redirect+0x54b/0xb20
[  365.075866]  bpf_clone_redirect+0x14a/0x490
[  365.080194]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  365.085643]  ? __sched_text_start+0x8/0x8
[  365.089791]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.094366]  ? retint_kernel+0x2d/0x2d
[  365.098246]  ? trace_hardirqs_on_caller+0xc0/0x310
[  365.103173]  ? find_held_lock+0x36/0x1c0
[  365.107238]  ? lock_acquire+0x1ed/0x520
[  365.111219]  ? bpf_test_run+0x3cb/0x780
[  365.115277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.120811]  ? check_preemption_disabled+0x48/0x280
[  365.125827]  ? kasan_check_read+0x11/0x20
[  365.130066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.135346]  ? rcu_softirq_qs+0x20/0x20
[  365.139321]  ? preempt_schedule+0x4d/0x60
[  365.143470]  ? ___preempt_schedule+0x16/0x18
[  365.147888]  ? bpf_test_run+0x25d/0x780
[  365.151871]  ? netlink_diag_dump+0x2a0/0x2a0
[  365.156285]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  365.161044]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  365.165883]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  365.171414]  ? fput+0x130/0x1a0
[  365.174692]  ? __bpf_prog_get+0x9b/0x290
[  365.178754]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  365.183592]  ? bpf_prog_test_run+0x130/0x1a0
[  365.188004]  ? __x64_sys_bpf+0x3d8/0x520
[  365.192061]  ? bpf_prog_get+0x20/0x20
[  365.195871]  ? do_syscall_64+0x142/0x820
[  365.199931]  ? do_syscall_64+0x1b9/0x820
[  365.203984]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  365.209352]  ? syscall_return_slowpath+0x5e0/0x5e0
[  365.214276]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.219129]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.224143]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  365.229155]  ? prepare_exit_to_usermode+0x291/0x3b0
[  365.234171]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.239027]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  365.244406] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  365.244465] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  365.251420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.251425] Call Trace:
[  365.251430]  <IRQ>
[  365.251447]  dump_stack+0x244/0x39d
[  365.251466]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.258005] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.267289]  warn_alloc.cold.116+0xb7/0x1bd
[  365.269839] syz-executor1 cpuset=syz1 mems_allowed=0
[  365.271977]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.305440]  ? lock_downgrade+0x900/0x900
[  365.309592]  ? trace_hardirqs_off+0xb8/0x310
[  365.314000]  ? trace_hardirqs_off+0xb8/0x310
[  365.318413]  __alloc_pages_slowpath+0x26e8/0x2e10
[  365.323280]  ? warn_alloc+0x120/0x120
[  365.327083]  ? warn_alloc+0x120/0x120
[  365.330881]  ? zap_class+0x640/0x640
[  365.334590]  ? warn_alloc+0x120/0x120
[  365.338390]  ? print_usage_bug+0xc0/0xc0
[  365.342449]  ? print_usage_bug+0xc0/0xc0
[  365.346517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.352053]  ? should_fail+0x22d/0xd01
[  365.355938]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.361036]  ? __lock_acquire+0x62f/0x4c20
[  365.365277]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.370384]  ? __lock_acquire+0x62f/0x4c20
[  365.374609]  ? should_fail+0x22d/0xd01
[  365.378500]  ? mark_held_locks+0x130/0x130
[  365.382734]  ? mark_held_locks+0x130/0x130
[  365.386964]  ? __lock_acquire+0x62f/0x4c20
[  365.391198]  ? zap_class+0x640/0x640
[  365.394915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.400450]  ? check_preemption_disabled+0x48/0x280
[  365.405468]  ? __lock_is_held+0xb5/0x140
[  365.409532]  __alloc_pages_nodemask+0xa80/0xde0
[  365.414194]  ? zap_class+0x640/0x640
[  365.417905]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  365.422929]  ? find_held_lock+0x36/0x1c0
[  365.427000]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.431667]  ? lock_downgrade+0x900/0x900
[  365.435821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.441363]  cache_grow_begin+0xa5/0x8c0
[  365.445417]  ? do_raw_spin_unlock+0xa7/0x330
[  365.449831]  fallback_alloc+0x204/0x2e0
[  365.453804]  ____cache_alloc_node+0x1c7/0x1e0
[  365.458299]  __kmalloc+0x213/0x760
[  365.461851]  ? __neigh_create+0x30b/0x2130
[  365.466086]  __neigh_create+0x30b/0x2130
[  365.470145]  ? __local_bh_enable_ip+0x160/0x260
[  365.474810]  ? __local_bh_enable_ip+0x160/0x260
[  365.479570]  ? mark_held_locks+0x130/0x130
[  365.483802]  ? __local_bh_enable_ip+0x160/0x260
[  365.488463]  ? neigh_hash_alloc+0x1e0/0x1e0
[  365.492776]  ? zap_class+0x640/0x640
[  365.496485]  ? trace_hardirqs_on+0xbd/0x310
[  365.500798]  ? mark_held_locks+0xc7/0x130
[  365.504944]  ? ip6t_do_table+0xd9e/0x1d30
[  365.509575]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.514672]  ? __local_bh_enable_ip+0x160/0x260
[  365.519342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.524882]  ? lock_acquire+0x1ed/0x520
[  365.528849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.534388]  ? check_preemption_disabled+0x48/0x280
[  365.539404]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  365.544942]  ? rcu_pm_notify+0xc0/0xc0
[  365.548825]  ? zap_class+0x640/0x640
[  365.552545]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  365.557741]  ip6_finish_output2+0xa59/0x27a0
[  365.562157]  ? ip6_copy_metadata+0xe30/0xe30
[  365.566565]  ? ip6_mtu+0x39c/0x520
[  365.570102]  ? lock_downgrade+0x900/0x900
[  365.574243]  ? check_preemption_disabled+0x48/0x280
[  365.579259]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.584806]  ? kasan_check_read+0x11/0x20
[  365.588948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.594217]  ? rcu_softirq_qs+0x20/0x20
[  365.598201]  ? ip6_mtu+0x160/0x520
[  365.601737]  ? find_match+0x10a0/0x10a0
[  365.605709]  ? kasan_check_read+0x11/0x20
[  365.609862]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.615138]  ip6_finish_output+0x58c/0xc60
[  365.619367]  ? ip6_finish_output+0x58c/0xc60
[  365.623772]  ip6_output+0x232/0x9d0
[  365.627396]  ? ip6_finish_output+0xc60/0xc60
[  365.631801]  ? ip6_fragment+0x38e0/0x38e0
[  365.635944]  ? __lock_is_held+0xb5/0x140
[  365.640017]  ndisc_send_skb+0x1005/0x1570
[  365.644169]  ? nf_hook.constprop.33+0x860/0x860
[  365.648840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.654376]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.659823]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.665280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.670822]  ndisc_send_rs+0x134/0x6e0
[  365.674708]  addrconf_rs_timer+0x314/0x690
[  365.678946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.683185]  call_timer_fn+0x272/0x920
[  365.687079]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.691312]  ? process_timeout+0x40/0x40
[  365.695381]  ? mark_held_locks+0xc7/0x130
[  365.699525]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.704017]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.708504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.712731]  ? lockdep_hardirqs_on+0x296/0x5b0
[  365.717323]  ? trace_hardirqs_on+0xbd/0x310
[  365.721642]  ? kasan_check_read+0x11/0x20
[  365.725780]  ? __run_timers+0x7da/0xc70
[  365.729748]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.734856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.739081]  __run_timers+0x7e5/0xc70
[  365.742884]  ? timer_fixup_init+0x70/0x70
[  365.747031]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  365.752055]  ? zap_class+0x640/0x640
[  365.755771]  ? print_usage_bug+0xc0/0xc0
[  365.759828]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  365.765020]  ? find_held_lock+0x36/0x1c0
[  365.769081]  ? zap_class+0x640/0x640
[  365.772800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.778334]  ? check_preemption_disabled+0x48/0x280
[  365.783354]  ? __lock_is_held+0xb5/0x140
[  365.787411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.792946]  ? check_preemption_disabled+0x48/0x280
[  365.797964]  run_timer_softirq+0x52/0xb0
[  365.802019]  ? rcu_read_lock_sched_held+0x14f/0x180
[  365.807031]  __do_softirq+0x308/0xb7e
[  365.810835]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  365.815333]  ? lock_downgrade+0x900/0x900
[  365.819482]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  365.824591]  ? pvclock_read_flags+0x160/0x160
[  365.829085]  ? lapic_next_event+0x5a/0x90
[  365.833235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.838772]  ? kvm_clock_read+0x18/0x30
[  365.842745]  ? kvm_sched_clock_read+0x9/0x20
[  365.847151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.852686]  ? check_preemption_disabled+0x48/0x280
[  365.857709]  irq_exit+0x17f/0x1c0
[  365.861162]  smp_apic_timer_interrupt+0x1cb/0x760
[  365.866001]  ? smp_call_function_single_interrupt+0x650/0x650
[  365.871882]  ? interrupt_entry+0xb5/0xc0
[  365.875940]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.880955]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.885970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.890809]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.895840]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.900854]  ? task_prio+0x50/0x50
[  365.904416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.909953]  ? check_preemption_disabled+0x48/0x280
[  365.914970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.919818]  apic_timer_interrupt+0xf/0x20
[  365.924048]  </IRQ>
[  365.926291] RIP: 0010:dump_stack+0x358/0x39d
[  365.930700] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  365.949599] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  365.957310] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  365.964579] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  365.971844] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  365.979110] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  365.986381] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  365.993668]  ? dump_stack+0x34f/0x39d
[  365.997495]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.002685]  ? mark_held_locks+0x130/0x130
[  366.006916]  ? mark_held_locks+0x130/0x130
[  366.011155]  dump_header+0x27b/0xf72
[  366.014881]  ? pagefault_out_of_memory+0x197/0x197
[  366.019818]  ? __lock_acquire+0x62f/0x4c20
[  366.024052]  ? percpu_ref_get_many+0x240/0x240
[  366.028636]  ? print_usage_bug+0xc0/0xc0
[  366.032701]  ? zap_class+0x640/0x640
[  366.036416]  ? print_usage_bug+0xc0/0xc0
[  366.040473]  ? print_usage_bug+0xc0/0xc0
[  366.044532]  ? zap_class+0x640/0x640
[  366.048248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.053796]  ? find_held_lock+0x36/0x1c0
[  366.057865]  ? mark_held_locks+0xc7/0x130
[  366.062015]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  366.067115]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  366.072221]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.076813]  ? trace_hardirqs_on+0xbd/0x310
[  366.081134]  ? kasan_check_read+0x11/0x20
[  366.085283]  ? ___ratelimit+0x3b4/0x672
[  366.089267]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.094371]  ? trace_hardirqs_on+0x310/0x310
[  366.098777]  ? lock_downgrade+0x900/0x900
[  366.102930]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  366.108032]  ? ___ratelimit+0x3b9/0x672
[  366.112002]  ? idr_get_free+0xf70/0xf70
[  366.115974]  ? find_held_lock+0x36/0x1c0
[  366.120047]  oom_kill_process.cold.27+0x10/0x903
[  366.124802]  ? zap_class+0x640/0x640
[  366.128517]  ? check_preemption_disabled+0x48/0x280
[  366.133539]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.138465]  ? kasan_check_read+0x11/0x20
[  366.142614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.147889]  ? oom_evaluate_task+0x540/0x540
[  366.152299]  ? find_held_lock+0x36/0x1c0
[  366.156364]  ? out_of_memory+0x974/0x1430
[  366.160506]  ? lock_downgrade+0x900/0x900
[  366.164649]  ? check_preemption_disabled+0x48/0x280
[  366.169665]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.174585]  ? kasan_check_read+0x11/0x20
[  366.178727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.184002]  ? rcu_softirq_qs+0x20/0x20
[  366.187976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.193505]  ? oom_evaluate_task+0x302/0x540
[  366.197914]  out_of_memory+0xa84/0x1430
[  366.201894]  ? oom_killer_disable+0x3a0/0x3a0
[  366.206385]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  366.211314]  ? __ww_mutex_check_waiters+0x160/0x160
[  366.216336]  __alloc_pages_slowpath+0x2354/0x2e10
[  366.221202]  ? warn_alloc+0x120/0x120
[  366.224994]  ? mark_held_locks+0x130/0x130
[  366.229226]  ? find_get_entry+0xaae/0x1120
[  366.233469]  ? filemap_map_pages+0x1a20/0x1a20
[  366.238052]  ? zap_class+0x640/0x640
[  366.241769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.247306]  ? check_preemption_disabled+0x48/0x280
[  366.252321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.257854]  ? should_fail+0x22d/0xd01
[  366.261743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.266842]  ? zap_class+0x640/0x640
[  366.270574]  ? __lock_is_held+0xb5/0x140
[  366.274641]  ? mark_held_locks+0x130/0x130
[  366.278870]  ? lock_release+0xa00/0xa00
[  366.282843]  ? perf_trace_sched_process_exec+0x860/0x860
[  366.288297]  ? xa_load+0x2ba/0x460
[  366.291833]  ? lock_downgrade+0x900/0x900
[  366.295978]  ? __might_sleep+0x95/0x190
[  366.299952]  __alloc_pages_nodemask+0xa80/0xde0
[  366.304624]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  366.309633]  ? __page_cache_alloc+0x191/0x5c0
[  366.314121]  ? xa_load+0x2e1/0x460
[  366.317658]  ? xa_clear_mark+0x40/0x40
[  366.321543]  ? zap_class+0x640/0x640
[  366.325265]  ? zap_class+0x640/0x640
[  366.328980]  ? zap_class+0x640/0x640
[  366.332688]  ? __do_page_cache_readahead+0x663/0x810
[  366.337789]  ? find_held_lock+0x36/0x1c0
[  366.341851]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  366.347391]  alloc_pages_current+0x173/0x350
[  366.351801]  __page_cache_alloc+0x38c/0x5c0
[  366.356114]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.361038]  ? kasan_check_read+0x11/0x20
[  366.365181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.370452]  ? generic_perform_write+0x6a0/0x6a0
[  366.375202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.380743]  ? check_preemption_disabled+0x48/0x280
[  366.385760]  filemap_fault+0x1595/0x25f0
[  366.389828]  ? __lock_page_or_retry+0xa00/0xa00
[  366.394499]  ? mark_held_locks+0x130/0x130
[  366.398737]  ? filemap_map_pages+0xd6b/0x1a20
[  366.403237]  ? lock_downgrade+0x900/0x900
[  366.407390]  ? check_preemption_disabled+0x48/0x280
[  366.412402]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.417324]  ? kasan_check_read+0x11/0x20
[  366.421467]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.426739]  ? rcu_softirq_qs+0x20/0x20
[  366.430720]  ? filemap_map_pages+0xd92/0x1a20
[  366.435213]  ? print_usage_bug+0xc0/0xc0
[  366.439284]  ? find_get_entries_tag+0x1400/0x1400
[  366.444123]  ? __kasan_slab_free+0x102/0x150
[  366.448525]  ? kasan_slab_free+0xe/0x10
[  366.452493]  ? kmem_cache_free+0x83/0x290
[  366.456639]  ? __sigqueue_free.part.29+0x74/0x90
[  366.461408]  ? lock_acquire+0x1ed/0x520
[  366.465375]  ? ext4_filemap_fault+0x7a/0xad
[  366.469697]  ? lock_release+0xa00/0xa00
[  366.473668]  ? perf_trace_sched_process_exec+0x860/0x860
[  366.479112]  ? print_usage_bug+0xc0/0xc0
[  366.483172]  ? print_usage_bug+0xc0/0xc0
[  366.487248]  ? down_read+0x8d/0x120
[  366.490872]  ? ext4_filemap_fault+0x7a/0xad
[  366.495187]  ? __down_interruptible+0x700/0x700
[  366.499865]  ext4_filemap_fault+0x82/0xad
[  366.504011]  __do_fault+0x100/0x6b0
[  366.507643]  ? pmd_devmap_trans_unstable+0x220/0x220
[  366.512743]  ? mark_held_locks+0x130/0x130
[  366.516973]  ? mark_held_locks+0x130/0x130
[  366.521210]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  366.526763]  ? rcu_pm_notify+0xc0/0xc0
[  366.530652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.536190]  __handle_mm_fault+0x3ea0/0x5be0
[  366.540606]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  366.545444]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.549934]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.554512]  ? trace_hardirqs_on+0xbd/0x310
[  366.558828]  ? kasan_check_read+0x11/0x20
[  366.562971]  ? __set_current_blocked+0xdf/0x120
[  366.567633]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.572763]  ? zap_class+0x640/0x640
[  366.576475]  ? zap_class+0x640/0x640
[  366.580189]  ? find_held_lock+0x36/0x1c0
[  366.584264]  ? handle_mm_fault+0x42a/0xc70
[  366.588496]  ? lock_downgrade+0x900/0x900
[  366.592641]  ? check_preemption_disabled+0x48/0x280
[  366.597656]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.602583]  ? kasan_check_read+0x11/0x20
[  366.606723]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.611996]  ? rcu_softirq_qs+0x20/0x20
[  366.615965]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.621065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.626599]  ? check_preemption_disabled+0x48/0x280
[  366.631620]  handle_mm_fault+0x54f/0xc70
[  366.635683]  ? __handle_mm_fault+0x5be0/0x5be0
[  366.640268]  ? find_vma+0x34/0x190
[  366.643810]  __do_page_fault+0x5e8/0xe60
[  366.647885]  ? exit_to_usermode_loop+0x1f4/0x380
[  366.652643]  do_page_fault+0xf2/0x7e0
[  366.656438]  ? vmalloc_sync_all+0x30/0x30
[  366.660585]  ? error_entry+0x70/0xd0
[  366.664294]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.669325]  ? trace_hardirqs_on_caller+0xc0/0x310
[  366.674836]  ? syscall_return_slowpath+0x5e0/0x5e0
[  366.679771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.684618]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.689633]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  366.695094]  ? prepare_exit_to_usermode+0x291/0x3b0
[  366.700106]  ? page_fault+0x8/0x30
[  366.703643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.708484]  ? page_fault+0x8/0x30
[  366.712019]  page_fault+0x1e/0x30
[  366.715463] RIP: 0033:0x45db60
[  366.718695] Code: Bad RIP value.
[  366.722051] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  366.727406] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  366.734668] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  366.741929] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  366.749191] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  366.756464] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  366.763749] warn_alloc_show_mem: 1 callbacks suppressed
[  366.763759] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  366.763760] Mem-Info:
[  366.763790] active_anon:52805 inactive_anon:249 isolated_anon:0
[  366.763790]  active_file:17 inactive_file:10 isolated_file:0
[  366.763790]  unevictable:0 dirty:0 writeback:0 unstable:0
[  366.763790]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  366.763790]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  366.763790]  free:13758 free_pcp:272 free_cma:0
[  366.769126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.776482] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  366.778871] Call Trace:
[  366.811741] 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
[  366.821078]  <IRQ>
[  366.848634] lowmem_reserve[]: 0 2818 6321 6321
[  366.851227]  dump_stack+0x244/0x39d
[  366.877402] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  366.879546]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.884094] lowmem_reserve[]: 0 0 3503 3503
[  366.887718]  warn_alloc.cold.116+0xb7/0x1bd
[  366.915087] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  366.920275]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.924737] lowmem_reserve[]: 0 0 0 0
[  366.929053]  ? lock_downgrade+0x900/0x900
[  366.957909] 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
[  366.962752]  ? trace_hardirqs_off+0xb8/0x310
[  366.966509] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  366.970655]  ? trace_hardirqs_off+0xb8/0x310
[  366.984144] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  366.988570]  __alloc_pages_slowpath+0x26e8/0x2e10
[  367.004409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  367.008822]  ? warn_alloc+0x120/0x120
[  367.024208] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  367.029036]  ? print_usage_bug+0xc0/0xc0
[  367.037842] 326 total pagecache pages
[  367.041629]  ? warn_alloc+0x120/0x120
[  367.050187] 0 pages in swap cache
[  367.054233]  ? warn_alloc+0x120/0x120
[  367.058007] Swap cache stats: add 0, delete 0, find 0/0
[  367.061790]  ? print_usage_bug+0xc0/0xc0
[  367.065218] Free swap  = 0kB
[  367.069004]  ? kvm_clock_read+0x18/0x30
[  367.074331] Total swap = 0kB
[  367.074338] 1965979 pages RAM
[  367.078387]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  367.081376] 0 pages HighMem/MovableOnly
[  367.085349]  ? print_usage_bug+0xc0/0xc0
[  367.088341] 342854 pages reserved
[  367.091432]  ? __lock_acquire+0x62f/0x4c20
[  367.096437] 0 pages cma reserved
[  367.100403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.104610] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.107875]  ? should_fail+0x22d/0xd01
[  367.107888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.107906]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.112155] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.115472]  ? __lock_acquire+0x62f/0x4c20
[  367.121130] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.127461]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.131318] syz-fuzzer cpuset=/ mems_allowed=0
[  367.136576]  ? __lock_acquire+0x62f/0x4c20
[  367.136591]  ? should_fail+0x22d/0xd01
[  367.180483]  ? rcu_irq_exit+0x1a2/0x390
[  367.184476]  ? mark_held_locks+0x130/0x130
[  367.188714]  ? mark_held_locks+0x130/0x130
[  367.192948]  ? mark_held_locks+0xc7/0x130
[  367.197103]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  367.202126]  ? zap_class+0x640/0x640
[  367.205837]  ? print_usage_bug+0xc0/0xc0
[  367.209898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.215431]  ? check_preemption_disabled+0x48/0x280
[  367.220450]  ? __lock_is_held+0xb5/0x140
[  367.224516]  __alloc_pages_nodemask+0xa80/0xde0
[  367.229188]  ? zap_class+0x640/0x640
[  367.232899]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  367.237920]  ? find_held_lock+0x36/0x1c0
[  367.241985]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.246650]  ? lock_downgrade+0x900/0x900
[  367.250802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.256340]  cache_grow_begin+0xa5/0x8c0
[  367.260398]  ? do_raw_spin_unlock+0xa7/0x330
[  367.264806]  fallback_alloc+0x204/0x2e0
[  367.268783]  ____cache_alloc_node+0x1c7/0x1e0
[  367.273278]  kmem_cache_alloc_node+0xe3/0x730
[  367.277773]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.282012]  __alloc_skb+0x119/0x770
[  367.285720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.290995]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.295573]  ? lock_downgrade+0x900/0x900
[  367.299729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.305276]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.310728]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.316181]  ? addrconf_rs_timer+0x690/0x690
[  367.320599]  ndisc_alloc_skb+0x144/0x340
[  367.324659]  ndisc_send_rs+0x331/0x6e0
[  367.328550]  addrconf_rs_timer+0x314/0x690
[  367.332786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.337023]  call_timer_fn+0x272/0x920
[  367.340907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.345136]  ? process_timeout+0x40/0x40
[  367.349208]  ? __run_timers+0x7da/0xc70
[  367.353182]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.357675]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.362168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.366405]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.370986]  ? trace_hardirqs_on+0xbd/0x310
[  367.375302]  ? kasan_check_read+0x11/0x20
[  367.379442]  ? __run_timers+0x7da/0xc70
[  367.383411]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.388511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.392744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.396974]  __run_timers+0x7e5/0xc70
[  367.400779]  ? timer_fixup_init+0x70/0x70
[  367.404922]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  367.409932]  ? zap_class+0x640/0x640
[  367.413643]  ? enqueue_hrtimer+0x1a5/0x560
[  367.417873]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  367.423064]  ? find_held_lock+0x36/0x1c0
[  367.427128]  ? zap_class+0x640/0x640
[  367.430846]  ? pvclock_read_flags+0x160/0x160
[  367.435337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.440872]  ? check_preemption_disabled+0x48/0x280
[  367.445893]  ? __lock_is_held+0xb5/0x140
[  367.449948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.455483]  ? check_preemption_disabled+0x48/0x280
[  367.460496]  run_timer_softirq+0x52/0xb0
[  367.464552]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.469563]  __do_softirq+0x308/0xb7e
[  367.473366]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  367.477852]  ? lock_downgrade+0x900/0x900
[  367.481998]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.487105]  ? pvclock_read_flags+0x160/0x160
[  367.491595]  ? lapic_next_event+0x5a/0x90
[  367.495739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.501275]  ? kvm_clock_read+0x18/0x30
[  367.505248]  ? kvm_sched_clock_read+0x9/0x20
[  367.510251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.515788]  ? check_preemption_disabled+0x48/0x280
[  367.520811]  irq_exit+0x17f/0x1c0
[  367.524265]  smp_apic_timer_interrupt+0x1cb/0x760
[  367.529102]  ? smp_call_function_single_interrupt+0x159/0x650
[  367.534981]  ? smp_call_function_single_interrupt+0x650/0x650
[  367.540859]  ? interrupt_entry+0xb5/0xc0
[  367.544916]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.549927]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.554937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.559776]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.564788]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.569800]  ? task_prio+0x50/0x50
[  367.573349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.578883]  ? check_preemption_disabled+0x48/0x280
[  367.583912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.588756]  apic_timer_interrupt+0xf/0x20
[  367.592980]  </IRQ>
[  367.595216] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  367.601098] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  367.620001] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  367.627700] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  367.634961] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  367.642223] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  367.649497] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  367.656845] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  367.664143]  ? save_stack+0xa9/0xd0
[  367.667779]  __kmalloc_node_track_caller+0x3c/0x70
[  367.672717]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  367.677477]  pskb_expand_head+0x230/0x10f0
[  367.681711]  ? memcpy+0x45/0x50
[  367.684992]  ? __copy_skb_header+0x350/0x6b0
[  367.689397]  ? skb_release_data+0x880/0x880
[  367.693711]  ? __alloc_skb+0x770/0x770
[  367.697606]  ? __lock_is_held+0xb5/0x140
[  367.701691]  ? kasan_check_write+0x14/0x20
[  367.705918]  ? __skb_clone+0x6c7/0xa00
[  367.709805]  ? __copy_skb_header+0x6b0/0x6b0
[  367.714217]  ? kmem_cache_alloc+0x33a/0x730
[  367.718629]  skb_ensure_writable+0x3dd/0x640
[  367.723038]  ? skb_checksum_setup+0xaa0/0xaa0
[  367.727529]  ? check_preemption_disabled+0x48/0x280
[  367.732548]  ? __this_cpu_preempt_check+0x1c/0x20
[  367.737382]  ? __bpf_redirect+0x54b/0xb20
[  367.741529]  bpf_clone_redirect+0x14a/0x490
[  367.745852]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  367.750864]  ? __sched_text_start+0x8/0x8
[  367.755012]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  367.759585]  ? retint_kernel+0x2d/0x2d
[  367.763469]  ? trace_hardirqs_on_caller+0xc0/0x310
[  367.768397]  ? find_held_lock+0x36/0x1c0
[  367.772462]  ? lock_acquire+0x1ed/0x520
[  367.776431]  ? bpf_test_run+0x3cb/0x780
[  367.780400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.785948]  ? check_preemption_disabled+0x48/0x280
[  367.790970]  ? kasan_check_read+0x11/0x20
[  367.795124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.800394]  ? rcu_softirq_qs+0x20/0x20
[  367.804365]  ? preempt_schedule+0x4d/0x60
[  367.808508]  ? ___preempt_schedule+0x16/0x18
[  367.812917]  ? bpf_test_run+0x25d/0x780
[  367.816900]  ? netlink_diag_dump+0x2a0/0x2a0
[  367.821312]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  367.826070]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  367.830905]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  367.836441]  ? fput+0x130/0x1a0
[  367.839717]  ? __bpf_prog_get+0x9b/0x290
[  367.843781]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  367.848613]  ? bpf_prog_test_run+0x130/0x1a0
[  367.853025]  ? __x64_sys_bpf+0x3d8/0x520
[  367.857084]  ? bpf_prog_get+0x20/0x20
[  367.860893]  ? do_syscall_64+0x142/0x820
[  367.864954]  ? do_syscall_64+0x1b9/0x820
[  367.869009]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  367.874371]  ? syscall_return_slowpath+0x5e0/0x5e0
[  367.879293]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.884138]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.889154]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  367.894168]  ? prepare_exit_to_usermode+0x291/0x3b0
[  367.899186]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.904033]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  367.909422] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  367.909483] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.916433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.916440] Call Trace:
[  367.922995] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.932254]  <IRQ>
[  367.934817] syz-executor1 cpuset=syz1 mems_allowed=0
[  367.945288]  dump_stack+0x244/0x39d
[  367.956119]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.961318]  warn_alloc.cold.116+0xb7/0x1bd
[  367.965648]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.970492]  ? lock_downgrade+0x900/0x900
[  367.974642]  ? trace_hardirqs_off+0xb8/0x310
[  367.979053]  ? trace_hardirqs_off+0xb8/0x310
[  367.983462]  __alloc_pages_slowpath+0x26e8/0x2e10
[  367.988323]  ? warn_alloc+0x120/0x120
[  367.992128]  ? warn_alloc+0x120/0x120
[  367.995931]  ? warn_alloc+0x120/0x120
[  367.999725]  ? print_usage_bug+0xc0/0xc0
[  368.003783]  ? trace_hardirqs_on+0x310/0x310
[  368.008195]  ? print_usage_bug+0xc0/0xc0
[  368.012268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.017806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.023349]  ? should_fail+0x22d/0xd01
[  368.027232]  ? __lock_acquire+0x62f/0x4c20
[  368.031468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.036565]  ? __lock_acquire+0x62f/0x4c20
[  368.040797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.045898]  ? __lock_acquire+0x62f/0x4c20
[  368.050131]  ? should_fail+0x22d/0xd01
[  368.054036]  ? mark_held_locks+0x130/0x130
[  368.058270]  ? mark_held_locks+0x130/0x130
[  368.062500]  ? __lock_acquire+0x62f/0x4c20
[  368.066733]  ? find_held_lock+0x36/0x1c0
[  368.070798]  ? zap_class+0x640/0x640
[  368.074526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.080061]  ? check_preemption_disabled+0x48/0x280
[  368.085088]  ? __lock_is_held+0xb5/0x140
[  368.089160]  __alloc_pages_nodemask+0xa80/0xde0
[  368.093824]  ? zap_class+0x640/0x640
[  368.097540]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.102564]  ? find_held_lock+0x36/0x1c0
[  368.106650]  ? ____cache_alloc_node+0x1c7/0x1e0
[  368.111314]  ? lock_downgrade+0x900/0x900
[  368.115466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.121003]  cache_grow_begin+0xa5/0x8c0
[  368.125057]  ? do_raw_spin_unlock+0xa7/0x330
[  368.129474]  fallback_alloc+0x204/0x2e0
[  368.133453]  ____cache_alloc_node+0x1c7/0x1e0
[  368.137948]  __kmalloc+0x213/0x760
[  368.141486]  ? __neigh_create+0x30b/0x2130
[  368.145719]  __neigh_create+0x30b/0x2130
[  368.149774]  ? __local_bh_enable_ip+0x160/0x260
[  368.154435]  ? __local_bh_enable_ip+0x160/0x260
[  368.159122]  ? mark_held_locks+0x130/0x130
[  368.163355]  ? __local_bh_enable_ip+0x160/0x260
[  368.168022]  ? neigh_hash_alloc+0x1e0/0x1e0
[  368.172337]  ? zap_class+0x640/0x640
[  368.176045]  ? trace_hardirqs_on+0xbd/0x310
[  368.180361]  ? mark_held_locks+0xc7/0x130
[  368.184503]  ? ip6t_do_table+0xd9e/0x1d30
[  368.188645]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.193742]  ? __local_bh_enable_ip+0x160/0x260
[  368.198410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.203950]  ? lock_acquire+0x1ed/0x520
[  368.207918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.213451]  ? check_preemption_disabled+0x48/0x280
[  368.218470]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  368.224001]  ? rcu_pm_notify+0xc0/0xc0
[  368.227883]  ? zap_class+0x640/0x640
[  368.231588]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  368.236779]  ip6_finish_output2+0xa59/0x27a0
[  368.241250]  ? ip6_copy_metadata+0xe30/0xe30
[  368.245655]  ? ip6_mtu+0x39c/0x520
[  368.249192]  ? lock_downgrade+0x900/0x900
[  368.253335]  ? check_preemption_disabled+0x48/0x280
[  368.258352]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.263275]  ? kasan_check_read+0x11/0x20
[  368.267419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.272689]  ? rcu_softirq_qs+0x20/0x20
[  368.276681]  ? ip6_mtu+0x160/0x520
[  368.280304]  ? find_match+0x10a0/0x10a0
[  368.284274]  ? kasan_check_read+0x11/0x20
[  368.288419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.293692]  ip6_finish_output+0x58c/0xc60
[  368.297919]  ? ip6_finish_output+0x58c/0xc60
[  368.302324]  ip6_output+0x232/0x9d0
[  368.305946]  ? ip6_finish_output+0xc60/0xc60
[  368.310351]  ? ip6_fragment+0x38e0/0x38e0
[  368.314497]  ? __lock_is_held+0xb5/0x140
[  368.318565]  ndisc_send_skb+0x1005/0x1570
[  368.322717]  ? nf_hook.constprop.33+0x860/0x860
[  368.327385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.332920]  ? refcount_sub_and_test_checked+0x203/0x310
[  368.338383]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  368.343844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.349380]  ndisc_send_rs+0x134/0x6e0
[  368.353267]  addrconf_rs_timer+0x314/0x690
[  368.357504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.361749]  call_timer_fn+0x272/0x920
[  368.365634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.369861]  ? process_timeout+0x40/0x40
[  368.373927]  ? mark_held_locks+0xc7/0x130
[  368.378081]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.382577]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.387073]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.391308]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.395888]  ? trace_hardirqs_on+0xbd/0x310
[  368.400202]  ? kasan_check_read+0x11/0x20
[  368.404342]  ? __run_timers+0x7da/0xc70
[  368.408315]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.413420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.417652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.421884]  __run_timers+0x7e5/0xc70
[  368.425691]  ? timer_fixup_init+0x70/0x70
[  368.429834]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  368.434847]  ? zap_class+0x640/0x640
[  368.438559]  ? print_usage_bug+0xc0/0xc0
[  368.442615]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  368.447810]  ? find_held_lock+0x36/0x1c0
[  368.451870]  ? zap_class+0x640/0x640
[  368.455584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.461122]  ? check_preemption_disabled+0x48/0x280
[  368.466145]  ? __lock_is_held+0xb5/0x140
[  368.470200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.475730]  ? check_preemption_disabled+0x48/0x280
[  368.480744]  run_timer_softirq+0x52/0xb0
[  368.484798]  ? rcu_read_lock_sched_held+0x14f/0x180
[  368.489812]  __do_softirq+0x308/0xb7e
[  368.493610]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  368.498102]  ? lock_downgrade+0x900/0x900
[  368.502271]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  368.507381]  ? pvclock_read_flags+0x160/0x160
[  368.511871]  ? lapic_next_event+0x5a/0x90
[  368.516015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.521553]  ? kvm_clock_read+0x18/0x30
[  368.525519]  ? kvm_sched_clock_read+0x9/0x20
[  368.529922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.535453]  ? check_preemption_disabled+0x48/0x280
[  368.540472]  irq_exit+0x17f/0x1c0
[  368.543919]  smp_apic_timer_interrupt+0x1cb/0x760
[  368.548758]  ? smp_call_function_single_interrupt+0x650/0x650
[  368.554635]  ? interrupt_entry+0xb5/0xc0
[  368.561297]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.566307]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.571318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.576155]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.581165]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.586179]  ? task_prio+0x50/0x50
[  368.589716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.595247]  ? check_preemption_disabled+0x48/0x280
[  368.600266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.605112]  apic_timer_interrupt+0xf/0x20
[  368.609335]  </IRQ>
[  368.611570] RIP: 0010:dump_stack+0x358/0x39d
[  368.615975] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  368.634954] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  368.642669] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  368.649930] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  368.657198] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  368.664458] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  368.671721] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  368.679544]  ? dump_stack+0x34f/0x39d
[  368.683359]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.688548]  ? mark_held_locks+0x130/0x130
[  368.692779]  ? mark_held_locks+0x130/0x130
[  368.697014]  dump_header+0x27b/0xf72
[  368.700740]  ? pagefault_out_of_memory+0x197/0x197
[  368.705671]  ? __lock_acquire+0x62f/0x4c20
[  368.709902]  ? percpu_ref_get_many+0x240/0x240
[  368.714479]  ? print_usage_bug+0xc0/0xc0
[  368.718538]  ? zap_class+0x640/0x640
[  368.722252]  ? print_usage_bug+0xc0/0xc0
[  368.726306]  ? print_usage_bug+0xc0/0xc0
[  368.730362]  ? zap_class+0x640/0x640
[  368.734079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.739615]  ? find_held_lock+0x36/0x1c0
[  368.743681]  ? mark_held_locks+0xc7/0x130
[  368.747912]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  368.753005]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  368.758110]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.762688]  ? trace_hardirqs_on+0xbd/0x310
[  368.767003]  ? kasan_check_read+0x11/0x20
[  368.771144]  ? ___ratelimit+0x3b4/0x672
[  368.775114]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.780213]  ? trace_hardirqs_on+0x310/0x310
[  368.784618]  ? lock_downgrade+0x900/0x900
[  368.788763]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  368.793861]  ? ___ratelimit+0x3b9/0x672
[  368.797845]  ? idr_get_free+0xf70/0xf70
[  368.801818]  ? find_held_lock+0x36/0x1c0
[  368.805887]  oom_kill_process.cold.27+0x10/0x903
[  368.810640]  ? zap_class+0x640/0x640
[  368.814350]  ? check_preemption_disabled+0x48/0x280
[  368.819467]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.824391]  ? kasan_check_read+0x11/0x20
[  368.828532]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.833803]  ? oom_evaluate_task+0x540/0x540
[  368.838208]  ? find_held_lock+0x36/0x1c0
[  368.842270]  ? out_of_memory+0x974/0x1430
[  368.846412]  ? lock_downgrade+0x900/0x900
[  368.850557]  ? check_preemption_disabled+0x48/0x280
[  368.855568]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.860490]  ? kasan_check_read+0x11/0x20
[  368.864633]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.870091]  ? rcu_softirq_qs+0x20/0x20
[  368.874070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.879599]  ? oom_evaluate_task+0x302/0x540
[  368.884004]  out_of_memory+0xa84/0x1430
[  368.887985]  ? oom_killer_disable+0x3a0/0x3a0
[  368.892475]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  368.897402]  ? __ww_mutex_check_waiters+0x160/0x160
[  368.902422]  __alloc_pages_slowpath+0x2354/0x2e10
[  368.907285]  ? warn_alloc+0x120/0x120
[  368.911083]  ? mark_held_locks+0x130/0x130
[  368.915315]  ? find_get_entry+0xaae/0x1120
[  368.919638]  ? filemap_map_pages+0x1a20/0x1a20
[  368.924234]  ? zap_class+0x640/0x640
[  368.927947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.933481]  ? check_preemption_disabled+0x48/0x280
[  368.938494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.944034]  ? should_fail+0x22d/0xd01
[  368.947924]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.953034]  ? zap_class+0x640/0x640
[  368.956768]  ? __lock_is_held+0xb5/0x140
[  368.960837]  ? mark_held_locks+0x130/0x130
[  368.965154]  ? lock_release+0xa00/0xa00
[  368.969129]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.974575]  ? xa_load+0x2ba/0x460
[  368.978113]  ? lock_downgrade+0x900/0x900
[  368.982259]  ? __might_sleep+0x95/0x190
[  368.986232]  __alloc_pages_nodemask+0xa80/0xde0
[  368.990902]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.995913]  ? __page_cache_alloc+0x191/0x5c0
[  369.000495]  ? xa_load+0x2e1/0x460
[  369.004037]  ? xa_clear_mark+0x40/0x40
[  369.007925]  ? zap_class+0x640/0x640
[  369.011643]  ? zap_class+0x640/0x640
[  369.015349]  ? zap_class+0x640/0x640
[  369.019060]  ? __do_page_cache_readahead+0x663/0x810
[  369.024161]  ? find_held_lock+0x36/0x1c0
[  369.028237]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  369.033774]  alloc_pages_current+0x173/0x350
[  369.038180]  __page_cache_alloc+0x38c/0x5c0
[  369.042494]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  369.047419]  ? kasan_check_read+0x11/0x20
[  369.051563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.056839]  ? generic_perform_write+0x6a0/0x6a0
[  369.061589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.067120]  ? check_preemption_disabled+0x48/0x280
[  369.072142]  filemap_fault+0x1595/0x25f0
[  369.076211]  ? __lock_page_or_retry+0xa00/0xa00
[  369.080877]  ? mark_held_locks+0x130/0x130
[  369.085118]  ? filemap_map_pages+0xd6b/0x1a20
[  369.089607]  ? lock_downgrade+0x900/0x900
[  369.093752]  ? check_preemption_disabled+0x48/0x280
[  369.098763]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  369.103686]  ? kasan_check_read+0x11/0x20
[  369.107829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.113116]  ? rcu_softirq_qs+0x20/0x20
[  369.117098]  ? filemap_map_pages+0xd92/0x1a20
[  369.121594]  ? print_usage_bug+0xc0/0xc0
[  369.125657]  ? find_get_entries_tag+0x1400/0x1400
[  369.130491]  ? __kasan_slab_free+0x102/0x150
[  369.134893]  ? kasan_slab_free+0xe/0x10
[  369.138861]  ? kmem_cache_free+0x83/0x290
[  369.143002]  ? __sigqueue_free.part.29+0x74/0x90
[  369.147782]  ? lock_acquire+0x1ed/0x520
[  369.151748]  ? ext4_filemap_fault+0x7a/0xad
[  369.156073]  ? lock_release+0xa00/0xa00
[  369.160043]  ? perf_trace_sched_process_exec+0x860/0x860
[  369.165489]  ? print_usage_bug+0xc0/0xc0
[  369.169550]  ? print_usage_bug+0xc0/0xc0
[  369.173616]  ? down_read+0x8d/0x120
[  369.177237]  ? ext4_filemap_fault+0x7a/0xad
[  369.181552]  ? __down_interruptible+0x700/0x700
[  369.186570]  ext4_filemap_fault+0x82/0xad
[  369.190713]  __do_fault+0x100/0x6b0
[  369.194342]  ? pmd_devmap_trans_unstable+0x220/0x220
[  369.199442]  ? mark_held_locks+0x130/0x130
[  369.203673]  ? mark_held_locks+0x130/0x130
[  369.207907]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  369.213440]  ? rcu_pm_notify+0xc0/0xc0
[  369.217327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.222861]  __handle_mm_fault+0x3ea0/0x5be0
[  369.227273]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  369.232107]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.236597]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  369.241195]  ? trace_hardirqs_on+0xbd/0x310
[  369.245510]  ? kasan_check_read+0x11/0x20
[  369.249652]  ? __set_current_blocked+0xdf/0x120
[  369.254319]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.259433]  ? zap_class+0x640/0x640
[  369.263138]  ? zap_class+0x640/0x640
[  369.266865]  ? find_held_lock+0x36/0x1c0
[  369.270929]  ? handle_mm_fault+0x42a/0xc70
[  369.275163]  ? lock_downgrade+0x900/0x900
[  369.279323]  ? check_preemption_disabled+0x48/0x280
[  369.284335]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  369.289257]  ? kasan_check_read+0x11/0x20
[  369.293403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.298673]  ? rcu_softirq_qs+0x20/0x20
[  369.302641]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.307743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.313277]  ? check_preemption_disabled+0x48/0x280
[  369.318298]  handle_mm_fault+0x54f/0xc70
[  369.322357]  ? __handle_mm_fault+0x5be0/0x5be0
[  369.326942]  ? find_vma+0x34/0x190
[  369.330485]  __do_page_fault+0x5e8/0xe60
[  369.334541]  ? exit_to_usermode_loop+0x1f4/0x380
[  369.339297]  do_page_fault+0xf2/0x7e0
[  369.343094]  ? vmalloc_sync_all+0x30/0x30
[  369.347237]  ? error_entry+0x70/0xd0
[  369.350944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.355952]  ? trace_hardirqs_on_caller+0xc0/0x310
[  369.360874]  ? syscall_return_slowpath+0x5e0/0x5e0
[  369.365796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.370638]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.375648]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  369.381108]  ? prepare_exit_to_usermode+0x291/0x3b0
[  369.386119]  ? page_fault+0x8/0x30
[  369.389656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.394502]  ? page_fault+0x8/0x30
[  369.398041]  page_fault+0x1e/0x30
[  369.401490] RIP: 0033:0x45db60
[  369.404693] Code: Bad RIP value.
[  369.408047] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  369.413403] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  369.420664] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  369.427922] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  369.435187] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  369.442452] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  369.449750] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  369.449754] warn_alloc_show_mem: 1 callbacks suppressed
[  369.449760] Mem-Info:
[  369.457117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.462479] active_anon:52805 inactive_anon:249 isolated_anon:0
[  369.462479]  active_file:17 inactive_file:10 isolated_file:0
[  369.462479]  unevictable:0 dirty:0 writeback:0 unstable:0
[  369.462479]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  369.462479]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  369.462479]  free:13758 free_pcp:272 free_cma:0
[  369.464848] Call Trace:
[  369.474220] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  369.507455]  <IRQ>
[  369.510028] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  369.537606]  dump_stack+0x244/0x39d
[  369.539718] lowmem_reserve[]: 0 2818 6321 6321
[  369.565824]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.569419] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  369.574010]  warn_alloc.cold.116+0xb7/0x1bd
[  369.579163] lowmem_reserve[]: 0 0 3503 3503
[  369.606474]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.610764] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  369.615078]  ? lock_downgrade+0x900/0x900
[  369.619883] lowmem_reserve[]: 0 0 0 0
[  369.648770]  ? trace_hardirqs_off+0xb8/0x310
[  369.652883] 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
[  369.656676]  ? trace_hardirqs_off+0xb8/0x310
[  369.661045] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  369.674668]  __alloc_pages_slowpath+0x26e8/0x2e10
[  369.679040] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  369.694225]  ? warn_alloc+0x120/0x120
[  369.699026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  369.714438]  ? print_usage_bug+0xc0/0xc0
[  369.718218] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  369.727035]  ? warn_alloc+0x120/0x120
[  369.731078] 326 total pagecache pages
[  369.739639]  ? warn_alloc+0x120/0x120
[  369.743416] 0 pages in swap cache
[  369.747198]  ? print_usage_bug+0xc0/0xc0
[  369.750980] Swap cache stats: add 0, delete 0, find 0/0
[  369.754420]  ? kvm_clock_read+0x18/0x30
[  369.758450] Free swap  = 0kB
[  369.763799]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  369.767740] Total swap = 0kB
[  369.770748]  ? print_usage_bug+0xc0/0xc0
[  369.775733] 1965979 pages RAM
[  369.778741]  ? __lock_acquire+0x62f/0x4c20
[  369.782770] 0 pages HighMem/MovableOnly
[  369.782777] 342854 pages reserved
[  369.785872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.790163] 0 pages cma reserved
[  369.794133]  ? should_fail+0x22d/0xd01
[  369.797748] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.803091]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.806429] syz-fuzzer cpuset=/ mems_allowed=0
[  369.810305]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.835414]  ? __lock_acquire+0x62f/0x4c20
[  369.839646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.844748]  ? __lock_acquire+0x62f/0x4c20
[  369.848979]  ? should_fail+0x22d/0xd01
[  369.852859]  ? rcu_irq_exit+0x1a2/0x390
[  369.856837]  ? mark_held_locks+0x130/0x130
[  369.861087]  ? mark_held_locks+0x130/0x130
[  369.865320]  ? mark_held_locks+0xc7/0x130
[  369.869464]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  369.874476]  ? zap_class+0x640/0x640
[  369.878193]  ? print_usage_bug+0xc0/0xc0
[  369.882254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.887790]  ? check_preemption_disabled+0x48/0x280
[  369.892808]  ? __lock_is_held+0xb5/0x140
[  369.896879]  __alloc_pages_nodemask+0xa80/0xde0
[  369.901543]  ? zap_class+0x640/0x640
[  369.905260]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  369.910285]  ? find_held_lock+0x36/0x1c0
[  369.914354]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.919024]  ? lock_downgrade+0x900/0x900
[  369.923174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.928709]  cache_grow_begin+0xa5/0x8c0
[  369.932769]  ? do_raw_spin_unlock+0xa7/0x330
[  369.937179]  fallback_alloc+0x204/0x2e0
[  369.941157]  ____cache_alloc_node+0x1c7/0x1e0
[  369.945655]  kmem_cache_alloc_node+0xe3/0x730
[  369.950147]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.954385]  __alloc_skb+0x119/0x770
[  369.958095]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.963370]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.967773]  ? lock_downgrade+0x900/0x900
[  369.971926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.977464]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.982922]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.988377]  ? addrconf_rs_timer+0x690/0x690
[  369.992789]  ndisc_alloc_skb+0x144/0x340
[  369.996849]  ndisc_send_rs+0x331/0x6e0
[  370.000740]  addrconf_rs_timer+0x314/0x690
[  370.004974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.009216]  call_timer_fn+0x272/0x920
[  370.013099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.017329]  ? process_timeout+0x40/0x40
[  370.021392]  ? __run_timers+0x7da/0xc70
[  370.025366]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.029853]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.034341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.038571]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.043153]  ? trace_hardirqs_on+0xbd/0x310
[  370.047474]  ? kasan_check_read+0x11/0x20
[  370.051617]  ? __run_timers+0x7da/0xc70
[  370.055588]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.060687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.064952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.069187]  __run_timers+0x7e5/0xc70
[  370.072992]  ? timer_fixup_init+0x70/0x70
[  370.077136]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  370.082145]  ? zap_class+0x640/0x640
[  370.086305]  ? enqueue_hrtimer+0x1a5/0x560
[  370.090535]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  370.095725]  ? find_held_lock+0x36/0x1c0
[  370.099787]  ? zap_class+0x640/0x640
[  370.103501]  ? pvclock_read_flags+0x160/0x160
[  370.107991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.113523]  ? check_preemption_disabled+0x48/0x280
[  370.118543]  ? __lock_is_held+0xb5/0x140
[  370.122608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.128141]  ? check_preemption_disabled+0x48/0x280
[  370.133171]  run_timer_softirq+0x52/0xb0
[  370.137226]  ? rcu_read_lock_sched_held+0x14f/0x180
[  370.142251]  __do_softirq+0x308/0xb7e
[  370.146060]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  370.150551]  ? lock_downgrade+0x900/0x900
[  370.154696]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  370.159801]  ? pvclock_read_flags+0x160/0x160
[  370.164295]  ? lapic_next_event+0x5a/0x90
[  370.168440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.173980]  ? kvm_clock_read+0x18/0x30
[  370.177954]  ? kvm_sched_clock_read+0x9/0x20
[  370.182358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.187889]  ? check_preemption_disabled+0x48/0x280
[  370.192914]  irq_exit+0x17f/0x1c0
[  370.196372]  smp_apic_timer_interrupt+0x1cb/0x760
[  370.201210]  ? smp_call_function_single_interrupt+0x159/0x650
[  370.207175]  ? smp_call_function_single_interrupt+0x650/0x650
[  370.213051]  ? interrupt_entry+0xb5/0xc0
[  370.217111]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.222133]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.227146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.231984]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.236996]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.242007]  ? task_prio+0x50/0x50
[  370.245542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.251074]  ? check_preemption_disabled+0x48/0x280
[  370.256089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.260939]  apic_timer_interrupt+0xf/0x20
[  370.265167]  </IRQ>
[  370.267404] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  370.273285] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  370.292179] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  370.299880] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  370.307150] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  370.314414] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  370.321682] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  370.328942] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  370.336235]  ? save_stack+0xa9/0xd0
[  370.339870]  __kmalloc_node_track_caller+0x3c/0x70
[  370.344798]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  370.349553]  pskb_expand_head+0x230/0x10f0
[  370.353799]  ? memcpy+0x45/0x50
[  370.357075]  ? __copy_skb_header+0x350/0x6b0
[  370.361478]  ? skb_release_data+0x880/0x880
[  370.365795]  ? __alloc_skb+0x770/0x770
[  370.369687]  ? __lock_is_held+0xb5/0x140
[  370.373748]  ? kasan_check_write+0x14/0x20
[  370.377978]  ? __skb_clone+0x6c7/0xa00
[  370.381860]  ? __copy_skb_header+0x6b0/0x6b0
[  370.386264]  ? kmem_cache_alloc+0x33a/0x730
[  370.390590]  skb_ensure_writable+0x3dd/0x640
[  370.394996]  ? skb_checksum_setup+0xaa0/0xaa0
[  370.399490]  ? check_preemption_disabled+0x48/0x280
[  370.404506]  ? __this_cpu_preempt_check+0x1c/0x20
[  370.409342]  ? __bpf_redirect+0x54b/0xb20
[  370.413496]  bpf_clone_redirect+0x14a/0x490
[  370.417821]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  370.422839]  ? __sched_text_start+0x8/0x8
[  370.426986]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.431564]  ? retint_kernel+0x2d/0x2d
[  370.435454]  ? trace_hardirqs_on_caller+0xc0/0x310
[  370.440386]  ? find_held_lock+0x36/0x1c0
[  370.444456]  ? lock_acquire+0x1ed/0x520
[  370.448424]  ? bpf_test_run+0x3cb/0x780
[  370.452397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.457934]  ? check_preemption_disabled+0x48/0x280
[  370.462949]  ? kasan_check_read+0x11/0x20
[  370.467094]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.472366]  ? rcu_softirq_qs+0x20/0x20
[  370.476334]  ? preempt_schedule+0x4d/0x60
[  370.480479]  ? ___preempt_schedule+0x16/0x18
[  370.484890]  ? bpf_test_run+0x25d/0x780
[  370.488875]  ? netlink_diag_dump+0x2a0/0x2a0
[  370.493292]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  370.498055]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  370.502891]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  370.508437]  ? fput+0x130/0x1a0
[  370.511715]  ? __bpf_prog_get+0x9b/0x290
[  370.515771]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  370.520607]  ? bpf_prog_test_run+0x130/0x1a0
[  370.525015]  ? __x64_sys_bpf+0x3d8/0x520
[  370.529072]  ? bpf_prog_get+0x20/0x20
[  370.532877]  ? do_syscall_64+0x142/0x820
[  370.536946]  ? do_syscall_64+0x1b9/0x820
[  370.541088]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  370.546453]  ? syscall_return_slowpath+0x5e0/0x5e0
[  370.551374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.556216]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.561232]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  370.566242]  ? prepare_exit_to_usermode+0x291/0x3b0
[  370.571257]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.576105]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  370.581482] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  370.581543] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.588490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  370.588495] Call Trace:
[  370.588501]  <IRQ>
[  370.588520]  dump_stack+0x244/0x39d
[  370.588538]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.595061] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.604353]  warn_alloc.cold.116+0xb7/0x1bd
[  370.606907] syz-executor1 cpuset=syz1 mems_allowed=0
[  370.609049]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.642496]  ? lock_downgrade+0x900/0x900
[  370.646645]  ? trace_hardirqs_off+0xb8/0x310
[  370.651057]  ? trace_hardirqs_off+0xb8/0x310
[  370.655565]  __alloc_pages_slowpath+0x26e8/0x2e10
[  370.660427]  ? warn_alloc+0x120/0x120
[  370.664227]  ? print_usage_bug+0xc0/0xc0
[  370.668282]  ? warn_alloc+0x120/0x120
[  370.672080]  ? alloc_pages_current+0x173/0x350
[  370.677250]  ? warn_alloc+0x120/0x120
[  370.681045]  ? zap_class+0x640/0x640
[  370.684755]  ? print_usage_bug+0xc0/0xc0
[  370.688814]  ? print_usage_bug+0xc0/0xc0
[  370.692870]  ? __lock_acquire+0x62f/0x4c20
[  370.697118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.702649]  ? should_fail+0x22d/0xd01
[  370.706533]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.711636]  ? __lock_acquire+0x62f/0x4c20
[  370.715873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.720979]  ? __lock_acquire+0x62f/0x4c20
[  370.725205]  ? should_fail+0x22d/0xd01
[  370.729095]  ? mark_held_locks+0x130/0x130
[  370.733333]  ? mark_held_locks+0x130/0x130
[  370.737562]  ? ip6_finish_output2+0x1d6b/0x27a0
[  370.742228]  ? __kfree_skb+0x20/0x20
[  370.745948]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.750524]  ? zap_class+0x640/0x640
[  370.754230]  ? print_usage_bug+0xc0/0xc0
[  370.758288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.763826]  ? check_preemption_disabled+0x48/0x280
[  370.768855]  ? __lock_is_held+0xb5/0x140
[  370.772924]  __alloc_pages_nodemask+0xa80/0xde0
[  370.777587]  ? zap_class+0x640/0x640
[  370.781300]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  370.786322]  ? find_held_lock+0x36/0x1c0
[  370.790387]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.795050]  ? lock_downgrade+0x900/0x900
[  370.799200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.804736]  cache_grow_begin+0xa5/0x8c0
[  370.808795]  ? do_raw_spin_unlock+0xa7/0x330
[  370.813208]  fallback_alloc+0x204/0x2e0
[  370.817182]  ____cache_alloc_node+0x1c7/0x1e0
[  370.821676]  kmem_cache_alloc_node+0xe3/0x730
[  370.826164]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.830402]  __alloc_skb+0x119/0x770
[  370.834110]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.839387]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.843792]  ? lock_downgrade+0x900/0x900
[  370.847943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.853476]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.858929]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.864373]  ? addrconf_rs_timer+0x690/0x690
[  370.868785]  ndisc_alloc_skb+0x144/0x340
[  370.872845]  ndisc_send_rs+0x331/0x6e0
[  370.876735]  addrconf_rs_timer+0x314/0x690
[  370.880967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.885204]  call_timer_fn+0x272/0x920
[  370.889089]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.893316]  ? process_timeout+0x40/0x40
[  370.897384]  ? mark_held_locks+0xc7/0x130
[  370.901528]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.906014]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.910499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.914732]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.919309]  ? trace_hardirqs_on+0xbd/0x310
[  370.923622]  ? kasan_check_read+0x11/0x20
[  370.927761]  ? __run_timers+0x7da/0xc70
[  370.931823]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.936930]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.941165]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.945395]  __run_timers+0x7e5/0xc70
[  370.949200]  ? timer_fixup_init+0x70/0x70
[  370.953346]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  370.958356]  ? zap_class+0x640/0x640
[  370.962069]  ? print_usage_bug+0xc0/0xc0
[  370.966130]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  370.971320]  ? find_held_lock+0x36/0x1c0
[  370.975379]  ? zap_class+0x640/0x640
[  370.979093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.984626]  ? check_preemption_disabled+0x48/0x280
[  370.989648]  ? __lock_is_held+0xb5/0x140
[  370.993708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.999240]  ? check_preemption_disabled+0x48/0x280
[  371.004255]  run_timer_softirq+0x52/0xb0
[  371.008311]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.013321]  __do_softirq+0x308/0xb7e
[  371.017118]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  371.021609]  ? lock_downgrade+0x900/0x900
[  371.025754]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.030867]  ? pvclock_read_flags+0x160/0x160
[  371.035362]  ? lapic_next_event+0x5a/0x90
[  371.039504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.045045]  ? kvm_clock_read+0x18/0x30
[  371.049016]  ? kvm_sched_clock_read+0x9/0x20
[  371.053420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.058951]  ? check_preemption_disabled+0x48/0x280
[  371.063972]  irq_exit+0x17f/0x1c0
[  371.067422]  smp_apic_timer_interrupt+0x1cb/0x760
[  371.072262]  ? smp_call_function_single_interrupt+0x650/0x650
[  371.078139]  ? interrupt_entry+0xb5/0xc0
[  371.082195]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.087205]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.092216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.097055]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.102065]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.107077]  ? task_prio+0x50/0x50
[  371.110610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.116146]  ? check_preemption_disabled+0x48/0x280
[  371.121162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.126004]  apic_timer_interrupt+0xf/0x20
[  371.130225]  </IRQ>
[  371.132462] RIP: 0010:dump_stack+0x358/0x39d
[  371.136871] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  371.155769] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  371.163471] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  371.171355] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  371.178617] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  371.185887] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  371.193164] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  371.200444]  ? dump_stack+0x34f/0x39d
[  371.204254]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.209529]  ? mark_held_locks+0x130/0x130
[  371.213756]  ? mark_held_locks+0x130/0x130
[  371.217987]  dump_header+0x27b/0xf72
[  371.221706]  ? pagefault_out_of_memory+0x197/0x197
[  371.226637]  ? __lock_acquire+0x62f/0x4c20
[  371.230876]  ? percpu_ref_get_many+0x240/0x240
[  371.235458]  ? print_usage_bug+0xc0/0xc0
[  371.239517]  ? zap_class+0x640/0x640
[  371.243227]  ? print_usage_bug+0xc0/0xc0
[  371.247282]  ? print_usage_bug+0xc0/0xc0
[  371.251340]  ? zap_class+0x640/0x640
[  371.255050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.260584]  ? find_held_lock+0x36/0x1c0
[  371.264653]  ? mark_held_locks+0xc7/0x130
[  371.268795]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  371.273892]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  371.278990]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.283565]  ? trace_hardirqs_on+0xbd/0x310
[  371.287884]  ? kasan_check_read+0x11/0x20
[  371.292027]  ? ___ratelimit+0x3b4/0x672
[  371.295995]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.301096]  ? trace_hardirqs_on+0x310/0x310
[  371.305498]  ? lock_downgrade+0x900/0x900
[  371.309644]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  371.314739]  ? ___ratelimit+0x3b9/0x672
[  371.318712]  ? idr_get_free+0xf70/0xf70
[  371.322678]  ? find_held_lock+0x36/0x1c0
[  371.326740]  oom_kill_process.cold.27+0x10/0x903
[  371.331494]  ? zap_class+0x640/0x640
[  371.335200]  ? check_preemption_disabled+0x48/0x280
[  371.340216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.345141]  ? kasan_check_read+0x11/0x20
[  371.349282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.354552]  ? oom_evaluate_task+0x540/0x540
[  371.358956]  ? find_held_lock+0x36/0x1c0
[  371.363021]  ? out_of_memory+0x974/0x1430
[  371.367172]  ? lock_downgrade+0x900/0x900
[  371.371312]  ? check_preemption_disabled+0x48/0x280
[  371.376325]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.381254]  ? kasan_check_read+0x11/0x20
[  371.385396]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.390665]  ? rcu_softirq_qs+0x20/0x20
[  371.394636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.400165]  ? oom_evaluate_task+0x302/0x540
[  371.404569]  out_of_memory+0xa84/0x1430
[  371.408543]  ? oom_killer_disable+0x3a0/0x3a0
[  371.413034]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  371.417960]  ? __ww_mutex_check_waiters+0x160/0x160
[  371.422980]  __alloc_pages_slowpath+0x2354/0x2e10
[  371.427851]  ? warn_alloc+0x120/0x120
[  371.431654]  ? mark_held_locks+0x130/0x130
[  371.435886]  ? find_get_entry+0xaae/0x1120
[  371.440128]  ? filemap_map_pages+0x1a20/0x1a20
[  371.444709]  ? zap_class+0x640/0x640
[  371.448426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.453956]  ? check_preemption_disabled+0x48/0x280
[  371.458971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.464501]  ? should_fail+0x22d/0xd01
[  371.468386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.473484]  ? zap_class+0x640/0x640
[  371.477219]  ? __lock_is_held+0xb5/0x140
[  371.481286]  ? mark_held_locks+0x130/0x130
[  371.485516]  ? lock_release+0xa00/0xa00
[  371.489490]  ? perf_trace_sched_process_exec+0x860/0x860
[  371.494936]  ? xa_load+0x2ba/0x460
[  371.498474]  ? lock_downgrade+0x900/0x900
[  371.502620]  ? __might_sleep+0x95/0x190
[  371.507080]  __alloc_pages_nodemask+0xa80/0xde0
[  371.511754]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  371.516765]  ? __page_cache_alloc+0x191/0x5c0
[  371.521255]  ? xa_load+0x2e1/0x460
[  371.524790]  ? xa_clear_mark+0x40/0x40
[  371.528679]  ? zap_class+0x640/0x640
[  371.532397]  ? zap_class+0x640/0x640
[  371.536103]  ? zap_class+0x640/0x640
[  371.539808]  ? __do_page_cache_readahead+0x663/0x810
[  371.544920]  ? find_held_lock+0x36/0x1c0
[  371.548979]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  371.554515]  alloc_pages_current+0x173/0x350
[  371.558924]  __page_cache_alloc+0x38c/0x5c0
[  371.563238]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.568163]  ? kasan_check_read+0x11/0x20
[  371.572304]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.577574]  ? generic_perform_write+0x6a0/0x6a0
[  371.582327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.587861]  ? check_preemption_disabled+0x48/0x280
[  371.592882]  filemap_fault+0x1595/0x25f0
[  371.596959]  ? __lock_page_or_retry+0xa00/0xa00
[  371.601625]  ? mark_held_locks+0x130/0x130
[  371.605866]  ? filemap_map_pages+0xd6b/0x1a20
[  371.610355]  ? lock_downgrade+0x900/0x900
[  371.614496]  ? check_preemption_disabled+0x48/0x280
[  371.619511]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.624433]  ? kasan_check_read+0x11/0x20
[  371.628577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.633855]  ? rcu_softirq_qs+0x20/0x20
[  371.637845]  ? filemap_map_pages+0xd92/0x1a20
[  371.642342]  ? print_usage_bug+0xc0/0xc0
[  371.646401]  ? find_get_entries_tag+0x1400/0x1400
[  371.651239]  ? __kasan_slab_free+0x102/0x150
[  371.655643]  ? kasan_slab_free+0xe/0x10
[  371.659622]  ? kmem_cache_free+0x83/0x290
[  371.663773]  ? __sigqueue_free.part.29+0x74/0x90
[  371.668544]  ? lock_acquire+0x1ed/0x520
[  371.672521]  ? ext4_filemap_fault+0x7a/0xad
[  371.676852]  ? lock_release+0xa00/0xa00
[  371.680825]  ? perf_trace_sched_process_exec+0x860/0x860
[  371.686272]  ? print_usage_bug+0xc0/0xc0
[  371.690334]  ? print_usage_bug+0xc0/0xc0
[  371.694401]  ? down_read+0x8d/0x120
[  371.698022]  ? ext4_filemap_fault+0x7a/0xad
[  371.702342]  ? __down_interruptible+0x700/0x700
[  371.707013]  ext4_filemap_fault+0x82/0xad
[  371.711156]  __do_fault+0x100/0x6b0
[  371.714782]  ? pmd_devmap_trans_unstable+0x220/0x220
[  371.719893]  ? mark_held_locks+0x130/0x130
[  371.724122]  ? mark_held_locks+0x130/0x130
[  371.728350]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  371.733886]  ? rcu_pm_notify+0xc0/0xc0
[  371.737774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.743323]  __handle_mm_fault+0x3ea0/0x5be0
[  371.747738]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  371.752576]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.757065]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.761643]  ? trace_hardirqs_on+0xbd/0x310
[  371.765959]  ? kasan_check_read+0x11/0x20
[  371.770102]  ? __set_current_blocked+0xdf/0x120
[  371.774763]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.779878]  ? zap_class+0x640/0x640
[  371.783587]  ? zap_class+0x640/0x640
[  371.787303]  ? find_held_lock+0x36/0x1c0
[  371.791369]  ? handle_mm_fault+0x42a/0xc70
[  371.795599]  ? lock_downgrade+0x900/0x900
[  371.799744]  ? check_preemption_disabled+0x48/0x280
[  371.804755]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.809675]  ? kasan_check_read+0x11/0x20
[  371.813822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.819097]  ? rcu_softirq_qs+0x20/0x20
[  371.823064]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.828161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.833692]  ? check_preemption_disabled+0x48/0x280
[  371.838709]  handle_mm_fault+0x54f/0xc70
[  371.842766]  ? __handle_mm_fault+0x5be0/0x5be0
[  371.847358]  ? find_vma+0x34/0x190
[  371.850897]  __do_page_fault+0x5e8/0xe60
[  371.854955]  ? exit_to_usermode_loop+0x1f4/0x380
[  371.859728]  do_page_fault+0xf2/0x7e0
[  371.863524]  ? vmalloc_sync_all+0x30/0x30
[  371.867665]  ? error_entry+0x70/0xd0
[  371.871374]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.876383]  ? trace_hardirqs_on_caller+0xc0/0x310
[  371.881303]  ? syscall_return_slowpath+0x5e0/0x5e0
[  371.886224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.891061]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.896074]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  371.901522]  ? prepare_exit_to_usermode+0x291/0x3b0
[  371.906530]  ? page_fault+0x8/0x30
[  371.910070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.914912]  ? page_fault+0x8/0x30
[  371.918449]  page_fault+0x1e/0x30
[  371.921908] RIP: 0033:0x45db60
[  371.925106] Code: Bad RIP value.
[  371.928463] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  371.933820] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  371.941094] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  371.948441] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  371.955702] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  371.962962] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  371.970248] warn_alloc_show_mem: 1 callbacks suppressed
[  371.970257] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  371.970259] Mem-Info:
[  371.970288] active_anon:52805 inactive_anon:249 isolated_anon:0
[  371.970288]  active_file:17 inactive_file:10 isolated_file:0
[  371.970288]  unevictable:0 dirty:0 writeback:0 unstable:0
[  371.970288]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  371.970288]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  371.970288]  free:13758 free_pcp:272 free_cma:0
[  371.975623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.982982] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  371.985370] Call Trace:
[  372.018222] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  372.027562]  <IRQ>
[  372.055119] lowmem_reserve[]: 0 2818 6321 6321
[  372.057696]  dump_stack+0x244/0x39d
[  372.083775] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  372.085923]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.090465] lowmem_reserve[]: 0 0 3503 3503
[  372.094096]  warn_alloc.cold.116+0xb7/0x1bd
[  372.121381] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  372.126562]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.130846] lowmem_reserve[]: 0 0 0 0
[  372.135165]  ? lock_downgrade+0x900/0x900
[  372.164193] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  372.169032]  ? trace_hardirqs_off+0xb8/0x310
[  372.172798] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  372.176933]  ? trace_hardirqs_off+0xb8/0x310
[  372.190422] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  372.194831]  __alloc_pages_slowpath+0x26e8/0x2e10
[  372.209979] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  372.214391]  ? warn_alloc+0x120/0x120
[  372.229782] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  372.234614]  ? print_usage_bug+0xc0/0xc0
[  372.243417] 326 total pagecache pages
[  372.247203]  ? warn_alloc+0x120/0x120
[  372.255764] 0 pages in swap cache
[  372.259807]  ? warn_alloc+0x120/0x120
[  372.263592] Swap cache stats: add 0, delete 0, find 0/0
[  372.267373]  ? print_usage_bug+0xc0/0xc0
[  372.270801] Free swap  = 0kB
[  372.274589]  ? print_usage_bug+0xc0/0xc0
[  372.279920] Total swap = 0kB
[  372.283967]  ? __lock_acquire+0x62f/0x4c20
[  372.286956] 1965979 pages RAM
[  372.291005]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.293990] 0 pages HighMem/MovableOnly
[  372.298211]  ? should_fail+0x22d/0xd01
[  372.301295] 342854 pages reserved
[  372.306820]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.310772] 0 pages cma reserved
[  372.314645]  ? __lock_acquire+0x62f/0x4c20
[  372.318124] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.323159]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.326561] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.330715]  ? __lock_acquire+0x62f/0x4c20
[  372.337178] syz-fuzzer cpuset=/ mems_allowed=0
[  372.342261]  ? should_fail+0x22d/0xd01
[  372.342289]  ? mark_held_locks+0x130/0x130
[  372.369351]  ? mark_held_locks+0x130/0x130
[  372.373579]  ? zap_class+0x640/0x640
[  372.377297]  ? zap_class+0x640/0x640
[  372.381006]  ? print_usage_bug+0xc0/0xc0
[  372.385063]  ? wq_watchdog_touch+0x9c/0xfe
[  372.389298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.394832]  ? check_preemption_disabled+0x48/0x280
[  372.399855]  ? __lock_is_held+0xb5/0x140
[  372.403920]  __alloc_pages_nodemask+0xa80/0xde0
[  372.408583]  ? zap_class+0x640/0x640
[  372.412298]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  372.417320]  ? find_held_lock+0x36/0x1c0
[  372.421389]  ? ____cache_alloc_node+0x1c7/0x1e0
[  372.426052]  ? lock_downgrade+0x900/0x900
[  372.430206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.435749]  cache_grow_begin+0xa5/0x8c0
[  372.439803]  ? do_raw_spin_unlock+0xa7/0x330
[  372.444214]  fallback_alloc+0x204/0x2e0
[  372.448190]  ____cache_alloc_node+0x1c7/0x1e0
[  372.452684]  kmem_cache_alloc_node+0xe3/0x730
[  372.457173]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.461416]  __alloc_skb+0x119/0x770
[  372.465126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.470399]  ? netdev_alloc_frag+0x1f0/0x1f0
[  372.474800]  ? lock_downgrade+0x900/0x900
[  372.478950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.484481]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.489933]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.495382]  ? addrconf_rs_timer+0x690/0x690
[  372.499801]  ndisc_alloc_skb+0x144/0x340
[  372.503863]  ndisc_send_rs+0x331/0x6e0
[  372.507759]  addrconf_rs_timer+0x314/0x690
[  372.511991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.516232]  call_timer_fn+0x272/0x920
[  372.520117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.524349]  ? process_timeout+0x40/0x40
[  372.528418]  ? __run_timers+0x7da/0xc70
[  372.532388]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.536880]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.541371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.545599]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.550176]  ? trace_hardirqs_on+0xbd/0x310
[  372.554490]  ? kasan_check_read+0x11/0x20
[  372.558631]  ? __run_timers+0x7da/0xc70
[  372.562602]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.567710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.571945]  __run_timers+0x7e5/0xc70
[  372.575756]  ? timer_fixup_init+0x70/0x70
[  372.579902]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  372.584915]  ? zap_class+0x640/0x640
[  372.588630]  ? enqueue_hrtimer+0x1a5/0x560
[  372.592860]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  372.598053]  ? find_held_lock+0x36/0x1c0
[  372.602112]  ? zap_class+0x640/0x640
[  372.605841]  ? pvclock_read_flags+0x160/0x160
[  372.610332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.615866]  ? check_preemption_disabled+0x48/0x280
[  372.620889]  ? __lock_is_held+0xb5/0x140
[  372.624945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.630480]  ? check_preemption_disabled+0x48/0x280
[  372.635499]  run_timer_softirq+0x52/0xb0
[  372.639561]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.644571]  __do_softirq+0x308/0xb7e
[  372.648373]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  372.652863]  ? lock_downgrade+0x900/0x900
[  372.657009]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.662111]  ? pvclock_read_flags+0x160/0x160
[  372.666606]  ? lapic_next_event+0x5a/0x90
[  372.670757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.676775]  ? kvm_clock_read+0x18/0x30
[  372.680755]  ? kvm_sched_clock_read+0x9/0x20
[  372.685158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.690694]  ? check_preemption_disabled+0x48/0x280
[  372.695731]  irq_exit+0x17f/0x1c0
[  372.699182]  smp_apic_timer_interrupt+0x1cb/0x760
[  372.704018]  ? smp_call_function_single_interrupt+0x159/0x650
[  372.709899]  ? smp_call_function_single_interrupt+0x650/0x650
[  372.715779]  ? interrupt_entry+0xb5/0xc0
[  372.719836]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.724847]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.729862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.734698]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.739723]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.744738]  ? task_prio+0x50/0x50
[  372.748280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.753813]  ? check_preemption_disabled+0x48/0x280
[  372.758831]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.763678]  apic_timer_interrupt+0xf/0x20
[  372.767899]  </IRQ>
[  372.770135] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  372.776015] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  372.794908] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  372.802611] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  372.809872] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  372.817134] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  372.824395] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  372.831657] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  372.838945]  ? save_stack+0xa9/0xd0
[  372.842578]  __kmalloc_node_track_caller+0x3c/0x70
[  372.847505]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  372.852264]  pskb_expand_head+0x230/0x10f0
[  372.856502]  ? memcpy+0x45/0x50
[  372.859783]  ? __copy_skb_header+0x350/0x6b0
[  372.864189]  ? skb_release_data+0x880/0x880
[  372.868505]  ? __alloc_skb+0x770/0x770
[  372.872397]  ? __lock_is_held+0xb5/0x140
[  372.876457]  ? kasan_check_write+0x14/0x20
[  372.880688]  ? __skb_clone+0x6c7/0xa00
[  372.884581]  ? __copy_skb_header+0x6b0/0x6b0
[  372.888988]  ? kmem_cache_alloc+0x33a/0x730
[  372.893312]  skb_ensure_writable+0x3dd/0x640
[  372.897726]  ? skb_checksum_setup+0xaa0/0xaa0
[  372.902215]  ? check_preemption_disabled+0x48/0x280
[  372.907232]  ? __this_cpu_preempt_check+0x1c/0x20
[  372.912077]  ? __bpf_redirect+0x54b/0xb20
[  372.916224]  bpf_clone_redirect+0x14a/0x490
[  372.920552]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  372.925564]  ? __sched_text_start+0x8/0x8
[  372.929721]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  372.934295]  ? retint_kernel+0x2d/0x2d
[  372.938179]  ? trace_hardirqs_on_caller+0xc0/0x310
[  372.943106]  ? find_held_lock+0x36/0x1c0
[  372.947171]  ? lock_acquire+0x1ed/0x520
[  372.951144]  ? bpf_test_run+0x3cb/0x780
[  372.955114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.960645]  ? check_preemption_disabled+0x48/0x280
[  372.965659]  ? kasan_check_read+0x11/0x20
[  372.969798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.975069]  ? rcu_softirq_qs+0x20/0x20
[  372.979038]  ? preempt_schedule+0x4d/0x60
[  372.983181]  ? ___preempt_schedule+0x16/0x18
[  372.987590]  ? bpf_test_run+0x25d/0x780
[  372.991571]  ? netlink_diag_dump+0x2a0/0x2a0
[  372.995984]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  373.000742]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  373.005583]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  373.011117]  ? fput+0x130/0x1a0
[  373.014395]  ? __bpf_prog_get+0x9b/0x290
[  373.018451]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  373.023290]  ? bpf_prog_test_run+0x130/0x1a0
[  373.027702]  ? __x64_sys_bpf+0x3d8/0x520
[  373.031757]  ? bpf_prog_get+0x20/0x20
[  373.035563]  ? do_syscall_64+0x142/0x820
[  373.039627]  ? do_syscall_64+0x1b9/0x820
[  373.043681]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  373.049053]  ? syscall_return_slowpath+0x5e0/0x5e0
[  373.053981]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.058823]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.063838]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  373.068855]  ? prepare_exit_to_usermode+0x291/0x3b0
[  373.073874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.078722]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  373.084107] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  373.084172] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  373.091123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.091128] Call Trace:
[  373.091133]  <IRQ>
[  373.091149]  dump_stack+0x244/0x39d
[  373.091169]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.097715] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  373.106993]  warn_alloc.cold.116+0xb7/0x1bd
[  373.109542] syz-executor1 cpuset=syz1 mems_allowed=0
[  373.111679]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.145147]  ? lock_downgrade+0x900/0x900
[  373.149297]  ? trace_hardirqs_off+0xb8/0x310
[  373.153712]  ? trace_hardirqs_off+0xb8/0x310
[  373.158128]  __alloc_pages_slowpath+0x26e8/0x2e10
[  373.162990]  ? warn_alloc+0x120/0x120
[  373.166787]  ? print_usage_bug+0xc0/0xc0
[  373.170847]  ? warn_alloc+0x120/0x120
[  373.174645]  ? warn_alloc+0x120/0x120
[  373.178445]  ? print_usage_bug+0xc0/0xc0
[  373.182506]  ? print_usage_bug+0xc0/0xc0
[  373.186561]  ? __lock_acquire+0x62f/0x4c20
[  373.190798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.196333]  ? should_fail+0x22d/0xd01
[  373.200227]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.205326]  ? __lock_acquire+0x62f/0x4c20
[  373.209563]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.214661]  ? __lock_acquire+0x62f/0x4c20
[  373.218898]  ? should_fail+0x22d/0xd01
[  373.222791]  ? mark_held_locks+0x130/0x130
[  373.227025]  ? mark_held_locks+0x130/0x130
[  373.231264]  ? zap_class+0x640/0x640
[  373.234989]  ? zap_class+0x640/0x640
[  373.238702]  ? print_usage_bug+0xc0/0xc0
[  373.242758]  ? wq_watchdog_touch+0x9c/0xfe
[  373.246988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.252531]  ? check_preemption_disabled+0x48/0x280
[  373.257551]  ? __lock_is_held+0xb5/0x140
[  373.261613]  __alloc_pages_nodemask+0xa80/0xde0
[  373.266276]  ? zap_class+0x640/0x640
[  373.269989]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.275012]  ? find_held_lock+0x36/0x1c0
[  373.279077]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.283752]  ? lock_downgrade+0x900/0x900
[  373.287904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.293443]  cache_grow_begin+0xa5/0x8c0
[  373.297500]  ? do_raw_spin_unlock+0xa7/0x330
[  373.301909]  fallback_alloc+0x204/0x2e0
[  373.305882]  ____cache_alloc_node+0x1c7/0x1e0
[  373.310380]  kmem_cache_alloc_node+0xe3/0x730
[  373.314872]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.319114]  __alloc_skb+0x119/0x770
[  373.322823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.328096]  ? netdev_alloc_frag+0x1f0/0x1f0
[  373.332497]  ? lock_downgrade+0x900/0x900
[  373.336649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.342187]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.347635]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.353090]  ? addrconf_rs_timer+0x690/0x690
[  373.357503]  ndisc_alloc_skb+0x144/0x340
[  373.361562]  ndisc_send_rs+0x331/0x6e0
[  373.365450]  addrconf_rs_timer+0x314/0x690
[  373.369687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.373931]  call_timer_fn+0x272/0x920
[  373.377812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.382043]  ? process_timeout+0x40/0x40
[  373.386111]  ? mark_held_locks+0xc7/0x130
[  373.390252]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.394738]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.399225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.403455]  ? lockdep_hardirqs_on+0x296/0x5b0
[  373.408032]  ? trace_hardirqs_on+0xbd/0x310
[  373.412350]  ? kasan_check_read+0x11/0x20
[  373.416488]  ? __run_timers+0x7da/0xc70
[  373.420458]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.425565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.429795]  __run_timers+0x7e5/0xc70
[  373.433603]  ? timer_fixup_init+0x70/0x70
[  373.437752]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  373.442766]  ? zap_class+0x640/0x640
[  373.446478]  ? print_usage_bug+0xc0/0xc0
[  373.450537]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  373.455730]  ? find_held_lock+0x36/0x1c0
[  373.459789]  ? zap_class+0x640/0x640
[  373.463502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.469034]  ? check_preemption_disabled+0x48/0x280
[  373.474067]  ? __lock_is_held+0xb5/0x140
[  373.478122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.483659]  ? check_preemption_disabled+0x48/0x280
[  373.488685]  run_timer_softirq+0x52/0xb0
[  373.492745]  ? rcu_read_lock_sched_held+0x14f/0x180
[  373.497759]  __do_softirq+0x308/0xb7e
[  373.501560]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  373.506048]  ? lock_downgrade+0x900/0x900
[  373.510638]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  373.515752]  ? pvclock_read_flags+0x160/0x160
[  373.520248]  ? lapic_next_event+0x5a/0x90
[  373.524398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.529937]  ? kvm_clock_read+0x18/0x30
[  373.533904]  ? kvm_sched_clock_read+0x9/0x20
[  373.538307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.543843]  ? check_preemption_disabled+0x48/0x280
[  373.548861]  irq_exit+0x17f/0x1c0
[  373.552313]  smp_apic_timer_interrupt+0x1cb/0x760
[  373.557155]  ? smp_call_function_single_interrupt+0x650/0x650
[  373.563037]  ? interrupt_entry+0xb5/0xc0
[  373.567095]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.572103]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.577116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.581954]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.586967]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.591974]  ? task_prio+0x50/0x50
[  373.595512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.601047]  ? check_preemption_disabled+0x48/0x280
[  373.606064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.610910]  apic_timer_interrupt+0xf/0x20
[  373.615133]  </IRQ>
[  373.617369] RIP: 0010:dump_stack+0x358/0x39d
[  373.621772] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  373.640671] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  373.648378] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  373.655645] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  373.662910] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  373.670169] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  373.677435] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  373.684723]  ? dump_stack+0x34f/0x39d
[  373.688533]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.693725]  ? mark_held_locks+0x130/0x130
[  373.697955]  ? mark_held_locks+0x130/0x130
[  373.702193]  dump_header+0x27b/0xf72
[  373.705914]  ? pagefault_out_of_memory+0x197/0x197
[  373.710848]  ? __lock_acquire+0x62f/0x4c20
[  373.715077]  ? percpu_ref_get_many+0x240/0x240
[  373.719666]  ? print_usage_bug+0xc0/0xc0
[  373.723732]  ? zap_class+0x640/0x640
[  373.727446]  ? print_usage_bug+0xc0/0xc0
[  373.731500]  ? print_usage_bug+0xc0/0xc0
[  373.735555]  ? zap_class+0x640/0x640
[  373.739270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.744806]  ? find_held_lock+0x36/0x1c0
[  373.748872]  ? mark_held_locks+0xc7/0x130
[  373.753020]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.758114]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.763215]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.767795]  ? trace_hardirqs_on+0xbd/0x310
[  373.772109]  ? kasan_check_read+0x11/0x20
[  373.776247]  ? ___ratelimit+0x3b4/0x672
[  373.780217]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.785314]  ? trace_hardirqs_on+0x310/0x310
[  373.789720]  ? lock_downgrade+0x900/0x900
[  373.793885]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  373.798986]  ? ___ratelimit+0x3b9/0x672
[  373.802955]  ? idr_get_free+0xf70/0xf70
[  373.806924]  ? find_held_lock+0x36/0x1c0
[  373.810988]  oom_kill_process.cold.27+0x10/0x903
[  373.815741]  ? zap_class+0x640/0x640
[  373.819450]  ? check_preemption_disabled+0x48/0x280
[  373.824464]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.829385]  ? kasan_check_read+0x11/0x20
[  373.833525]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.838800]  ? oom_evaluate_task+0x540/0x540
[  373.843210]  ? find_held_lock+0x36/0x1c0
[  373.847271]  ? out_of_memory+0x974/0x1430
[  373.851415]  ? lock_downgrade+0x900/0x900
[  373.855556]  ? check_preemption_disabled+0x48/0x280
[  373.860573]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.865495]  ? kasan_check_read+0x11/0x20
[  373.869648]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.874930]  ? rcu_softirq_qs+0x20/0x20
[  373.878902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.884436]  ? oom_evaluate_task+0x302/0x540
[  373.888843]  out_of_memory+0xa84/0x1430
[  373.892819]  ? oom_killer_disable+0x3a0/0x3a0
[  373.897317]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  373.902242]  ? __ww_mutex_check_waiters+0x160/0x160
[  373.907262]  __alloc_pages_slowpath+0x2354/0x2e10
[  373.912126]  ? warn_alloc+0x120/0x120
[  373.915920]  ? mark_held_locks+0x130/0x130
[  373.920152]  ? find_get_entry+0xaae/0x1120
[  373.924393]  ? filemap_map_pages+0x1a20/0x1a20
[  373.928973]  ? zap_class+0x640/0x640
[  373.932685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.938219]  ? check_preemption_disabled+0x48/0x280
[  373.943227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.948757]  ? should_fail+0x22d/0xd01
[  373.952658]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.957762]  ? zap_class+0x640/0x640
[  373.961497]  ? __lock_is_held+0xb5/0x140
[  373.965558]  ? mark_held_locks+0x130/0x130
[  373.969793]  ? lock_release+0xa00/0xa00
[  373.973760]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.979208]  ? xa_load+0x2ba/0x460
[  373.982745]  ? lock_downgrade+0x900/0x900
[  373.986895]  ? __might_sleep+0x95/0x190
[  373.990872]  __alloc_pages_nodemask+0xa80/0xde0
[  373.995547]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  374.000561]  ? __page_cache_alloc+0x191/0x5c0
[  374.005061]  ? xa_load+0x2e1/0x460
[  374.008599]  ? xa_clear_mark+0x40/0x40
[  374.012491]  ? zap_class+0x640/0x640
[  374.016207]  ? zap_class+0x640/0x640
[  374.019915]  ? zap_class+0x640/0x640
[  374.023632]  ? __do_page_cache_readahead+0x663/0x810
[  374.028737]  ? find_held_lock+0x36/0x1c0
[  374.032796]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  374.038337]  alloc_pages_current+0x173/0x350
[  374.042746]  __page_cache_alloc+0x38c/0x5c0
[  374.047062]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.051987]  ? kasan_check_read+0x11/0x20
[  374.056131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.061405]  ? generic_perform_write+0x6a0/0x6a0
[  374.066157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.071689]  ? check_preemption_disabled+0x48/0x280
[  374.076710]  filemap_fault+0x1595/0x25f0
[  374.080783]  ? __lock_page_or_retry+0xa00/0xa00
[  374.085448]  ? mark_held_locks+0x130/0x130
[  374.089688]  ? filemap_map_pages+0xd6b/0x1a20
[  374.094181]  ? lock_downgrade+0x900/0x900
[  374.098335]  ? check_preemption_disabled+0x48/0x280
[  374.103349]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.108271]  ? kasan_check_read+0x11/0x20
[  374.112432]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.117706]  ? rcu_softirq_qs+0x20/0x20
[  374.121691]  ? filemap_map_pages+0xd92/0x1a20
[  374.126185]  ? print_usage_bug+0xc0/0xc0
[  374.130246]  ? find_get_entries_tag+0x1400/0x1400
[  374.135081]  ? __kasan_slab_free+0x102/0x150
[  374.139485]  ? kasan_slab_free+0xe/0x10
[  374.143453]  ? kmem_cache_free+0x83/0x290
[  374.147605]  ? __sigqueue_free.part.29+0x74/0x90
[  374.152374]  ? lock_acquire+0x1ed/0x520
[  374.156346]  ? ext4_filemap_fault+0x7a/0xad
[  374.160667]  ? lock_release+0xa00/0xa00
[  374.164643]  ? perf_trace_sched_process_exec+0x860/0x860
[  374.170089]  ? print_usage_bug+0xc0/0xc0
[  374.174145]  ? print_usage_bug+0xc0/0xc0
[  374.178209]  ? down_read+0x8d/0x120
[  374.181829]  ? ext4_filemap_fault+0x7a/0xad
[  374.186146]  ? __down_interruptible+0x700/0x700
[  374.190822]  ext4_filemap_fault+0x82/0xad
[  374.194971]  __do_fault+0x100/0x6b0
[  374.198602]  ? pmd_devmap_trans_unstable+0x220/0x220
[  374.203722]  ? mark_held_locks+0x130/0x130
[  374.207951]  ? mark_held_locks+0x130/0x130
[  374.212180]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  374.217711]  ? rcu_pm_notify+0xc0/0xc0
[  374.221608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.227145]  __handle_mm_fault+0x3ea0/0x5be0
[  374.231556]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  374.236392]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.240882]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.245464]  ? trace_hardirqs_on+0xbd/0x310
[  374.249777]  ? kasan_check_read+0x11/0x20
[  374.253916]  ? __set_current_blocked+0xdf/0x120
[  374.258600]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.263713]  ? zap_class+0x640/0x640
[  374.267418]  ? zap_class+0x640/0x640
[  374.271133]  ? find_held_lock+0x36/0x1c0
[  374.275201]  ? handle_mm_fault+0x42a/0xc70
[  374.279433]  ? lock_downgrade+0x900/0x900
[  374.283576]  ? check_preemption_disabled+0x48/0x280
[  374.288603]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.293527]  ? kasan_check_read+0x11/0x20
[  374.297671]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.302941]  ? rcu_softirq_qs+0x20/0x20
[  374.306917]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.312014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.317545]  ? check_preemption_disabled+0x48/0x280
[  374.322562]  handle_mm_fault+0x54f/0xc70
[  374.326632]  ? __handle_mm_fault+0x5be0/0x5be0
[  374.331217]  ? find_vma+0x34/0x190
[  374.334759]  __do_page_fault+0x5e8/0xe60
[  374.338813]  ? exit_to_usermode_loop+0x1f4/0x380
[  374.343575]  do_page_fault+0xf2/0x7e0
[  374.347377]  ? vmalloc_sync_all+0x30/0x30
[  374.351517]  ? error_entry+0x70/0xd0
[  374.355225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.360244]  ? trace_hardirqs_on_caller+0xc0/0x310
[  374.365169]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.370095]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.374933]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.379940]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.385393]  ? prepare_exit_to_usermode+0x291/0x3b0
[  374.390405]  ? page_fault+0x8/0x30
[  374.393942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.398779]  ? page_fault+0x8/0x30
[  374.402316]  page_fault+0x1e/0x30
[  374.405762] RIP: 0033:0x45db60
[  374.408960] Code: Bad RIP value.
[  374.412314] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  374.417755] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  374.425016] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  374.432365] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  374.439632] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  374.446893] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  374.454173] warn_alloc_show_mem: 1 callbacks suppressed
[  374.454183] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  374.454184] Mem-Info:
[  374.454214] active_anon:52805 inactive_anon:249 isolated_anon:0
[  374.454214]  active_file:17 inactive_file:10 isolated_file:0
[  374.454214]  unevictable:0 dirty:0 writeback:0 unstable:0
[  374.454214]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  374.454214]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  374.454214]  free:13758 free_pcp:272 free_cma:0
[  374.459546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.459553] Call Trace:
[  374.466918] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  374.469304]  <IRQ>
[  374.502157] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  374.511600]  dump_stack+0x244/0x39d
[  374.514156] lowmem_reserve[]: 0 2818 6321 6321
[  374.541732]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.543853] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  374.570047]  warn_alloc.cold.116+0xb7/0x1bd
[  374.573636] lowmem_reserve[]: 0 0 3503 3503
[  374.578215]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.583376] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  374.610692]  ? lock_downgrade+0x900/0x900
[  374.614980] lowmem_reserve[]: 0 0 0 0
[  374.619305]  ? trace_hardirqs_off+0xb8/0x310
[  374.624116] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  374.652992]  ? trace_hardirqs_off+0xb8/0x310
[  374.657108] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  374.660905]  __alloc_pages_slowpath+0x26e8/0x2e10
[  374.665279] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  374.679331]  ? warn_alloc+0x120/0x120
[  374.683697] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.698847]  ? print_usage_bug+0xc0/0xc0
[  374.703665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.719076]  ? warn_alloc+0x120/0x120
[  374.722851] 326 total pagecache pages
[  374.731674]  ? warn_alloc+0x120/0x120
[  374.735712] 0 pages in swap cache
[  374.744268]  ? print_usage_bug+0xc0/0xc0
[  374.748035] Swap cache stats: add 0, delete 0, find 0/0
[  374.748042] Free swap  = 0kB
[  374.751828]  ? kvm_clock_read+0x18/0x30
[  374.755598] Total swap = 0kB
[  374.759036]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  374.763063] 1965979 pages RAM
[  374.768417]  ? print_usage_bug+0xc0/0xc0
[  374.771404] 0 pages HighMem/MovableOnly
[  374.771411] 342854 pages reserved
[  374.775371]  ? __lock_acquire+0x62f/0x4c20
[  374.778359] 0 pages cma reserved
[  374.783363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.786510] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.790486]  ? should_fail+0x22d/0xd01
[  374.790498]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.790516]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.794529] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.797903]  ? __lock_acquire+0x62f/0x4c20
[  374.802108] syz-fuzzer cpuset=/ mems_allowed=0
[  374.805463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.855716]  ? __lock_acquire+0x62f/0x4c20
[  374.859943]  ? should_fail+0x22d/0xd01
[  374.863821]  ? rcu_irq_exit+0x1a2/0x390
[  374.867798]  ? mark_held_locks+0x130/0x130
[  374.872031]  ? mark_held_locks+0x130/0x130
[  374.876263]  ? mark_held_locks+0xc7/0x130
[  374.880405]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  374.885418]  ? zap_class+0x640/0x640
[  374.889128]  ? print_usage_bug+0xc0/0xc0
[  374.893186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.898721]  ? check_preemption_disabled+0x48/0x280
[  374.903743]  ? __lock_is_held+0xb5/0x140
[  374.907805]  __alloc_pages_nodemask+0xa80/0xde0
[  374.912470]  ? zap_class+0x640/0x640
[  374.916185]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  374.921211]  ? find_held_lock+0x36/0x1c0
[  374.925280]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.929943]  ? lock_downgrade+0x900/0x900
[  374.934095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.939630]  cache_grow_begin+0xa5/0x8c0
[  374.943684]  ? do_raw_spin_unlock+0xa7/0x330
[  374.948098]  fallback_alloc+0x204/0x2e0
[  374.952078]  ____cache_alloc_node+0x1c7/0x1e0
[  374.956575]  kmem_cache_alloc_node+0xe3/0x730
[  374.961073]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.965311]  __alloc_skb+0x119/0x770
[  374.969016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.974289]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.978694]  ? lock_downgrade+0x900/0x900
[  374.982841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.988375]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.993825]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.999268]  ? addrconf_rs_timer+0x690/0x690
[  375.003682]  ndisc_alloc_skb+0x144/0x340
[  375.007743]  ndisc_send_rs+0x331/0x6e0
[  375.011628]  addrconf_rs_timer+0x314/0x690
[  375.015860]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.020110]  call_timer_fn+0x272/0x920
[  375.023989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.028217]  ? process_timeout+0x40/0x40
[  375.032280]  ? __run_timers+0x7da/0xc70
[  375.036249]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.040736]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.045225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.049464]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.054050]  ? trace_hardirqs_on+0xbd/0x310
[  375.058367]  ? kasan_check_read+0x11/0x20
[  375.062509]  ? __run_timers+0x7da/0xc70
[  375.066488]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.071590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.075822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.080050]  __run_timers+0x7e5/0xc70
[  375.083860]  ? timer_fixup_init+0x70/0x70
[  375.088002]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.093014]  ? zap_class+0x640/0x640
[  375.096724]  ? enqueue_hrtimer+0x1a5/0x560
[  375.100958]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.106146]  ? find_held_lock+0x36/0x1c0
[  375.110208]  ? zap_class+0x640/0x640
[  375.113921]  ? pvclock_read_flags+0x160/0x160
[  375.118416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.123951]  ? check_preemption_disabled+0x48/0x280
[  375.128970]  ? __lock_is_held+0xb5/0x140
[  375.133031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.138567]  ? check_preemption_disabled+0x48/0x280
[  375.143582]  run_timer_softirq+0x52/0xb0
[  375.147641]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.152653]  __do_softirq+0x308/0xb7e
[  375.156451]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  375.160940]  ? lock_downgrade+0x900/0x900
[  375.165084]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.170189]  ? pvclock_read_flags+0x160/0x160
[  375.174678]  ? lapic_next_event+0x5a/0x90
[  375.178823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.184362]  ? kvm_clock_read+0x18/0x30
[  375.188331]  ? kvm_sched_clock_read+0x9/0x20
[  375.192740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.198270]  ? check_preemption_disabled+0x48/0x280
[  375.203288]  irq_exit+0x17f/0x1c0
[  375.206738]  smp_apic_timer_interrupt+0x1cb/0x760
[  375.211573]  ? smp_call_function_single_interrupt+0x159/0x650
[  375.217455]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.223331]  ? interrupt_entry+0xb5/0xc0
[  375.227385]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.232393]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.237403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.242243]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.247255]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.252265]  ? task_prio+0x50/0x50
[  375.255807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.261337]  ? check_preemption_disabled+0x48/0x280
[  375.266351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.271194]  apic_timer_interrupt+0xf/0x20
[  375.275420]  </IRQ>
[  375.277652] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  375.283535] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  375.302426] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  375.310129] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  375.317388] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  375.324655] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  375.331915] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  375.339176] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  375.346463]  ? save_stack+0xa9/0xd0
[  375.350096]  __kmalloc_node_track_caller+0x3c/0x70
[  375.355025]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  375.359784]  pskb_expand_head+0x230/0x10f0
[  375.364021]  ? memcpy+0x45/0x50
[  375.367299]  ? __copy_skb_header+0x350/0x6b0
[  375.371701]  ? skb_release_data+0x880/0x880
[  375.376025]  ? __alloc_skb+0x770/0x770
[  375.379916]  ? __lock_is_held+0xb5/0x140
[  375.383977]  ? kasan_check_write+0x14/0x20
[  375.388205]  ? __skb_clone+0x6c7/0xa00
[  375.392091]  ? __copy_skb_header+0x6b0/0x6b0
[  375.396490]  ? kmem_cache_alloc+0x33a/0x730
[  375.400824]  skb_ensure_writable+0x3dd/0x640
[  375.405232]  ? skb_checksum_setup+0xaa0/0xaa0
[  375.409721]  ? check_preemption_disabled+0x48/0x280
[  375.414735]  ? __this_cpu_preempt_check+0x1c/0x20
[  375.419570]  ? __bpf_redirect+0x54b/0xb20
[  375.423716]  bpf_clone_redirect+0x14a/0x490
[  375.428043]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  375.433059]  ? __sched_text_start+0x8/0x8
[  375.437205]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.441779]  ? retint_kernel+0x2d/0x2d
[  375.445667]  ? trace_hardirqs_on_caller+0xc0/0x310
[  375.450601]  ? find_held_lock+0x36/0x1c0
[  375.454664]  ? lock_acquire+0x1ed/0x520
[  375.458632]  ? bpf_test_run+0x3cb/0x780
[  375.462601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.468136]  ? check_preemption_disabled+0x48/0x280
[  375.473150]  ? kasan_check_read+0x11/0x20
[  375.477292]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.482561]  ? rcu_softirq_qs+0x20/0x20
[  375.486534]  ? preempt_schedule+0x4d/0x60
[  375.490675]  ? ___preempt_schedule+0x16/0x18
[  375.495083]  ? bpf_test_run+0x25d/0x780
[  375.499068]  ? netlink_diag_dump+0x2a0/0x2a0
[  375.503480]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  375.508591]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  375.513432]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  375.518966]  ? fput+0x130/0x1a0
[  375.522241]  ? __bpf_prog_get+0x9b/0x290
[  375.526305]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  375.531138]  ? bpf_prog_test_run+0x130/0x1a0
[  375.535544]  ? __x64_sys_bpf+0x3d8/0x520
[  375.539602]  ? bpf_prog_get+0x20/0x20
[  375.543417]  ? do_syscall_64+0x142/0x820
[  375.547476]  ? do_syscall_64+0x1b9/0x820
[  375.551537]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  375.556898]  ? syscall_return_slowpath+0x5e0/0x5e0
[  375.561821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.566671]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.571682]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  375.576693]  ? prepare_exit_to_usermode+0x291/0x3b0
[  375.581709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.586567]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  375.591943] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  375.592006] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.598950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.598956] Call Trace:
[  375.598961]  <IRQ>
[  375.598977]  dump_stack+0x244/0x39d
[  375.598995]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.605515] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.614820]  warn_alloc.cold.116+0xb7/0x1bd
[  375.617368] syz-executor1 cpuset=syz1 mems_allowed=0
[  375.619521]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.652965]  ? lock_downgrade+0x900/0x900
[  375.657120]  ? trace_hardirqs_off+0xb8/0x310
[  375.661535]  ? trace_hardirqs_off+0xb8/0x310
[  375.665947]  __alloc_pages_slowpath+0x26e8/0x2e10
[  375.670814]  ? warn_alloc+0x120/0x120
[  375.674612]  ? print_usage_bug+0xc0/0xc0
[  375.678669]  ? warn_alloc+0x120/0x120
[  375.682466]  ? warn_alloc+0x120/0x120
[  375.686270]  ? print_usage_bug+0xc0/0xc0
[  375.690331]  ? print_usage_bug+0xc0/0xc0
[  375.694387]  ? __lock_acquire+0x62f/0x4c20
[  375.698622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.704155]  ? should_fail+0x22d/0xd01
[  375.708040]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.713136]  ? __lock_acquire+0x62f/0x4c20
[  375.717372]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.722479]  ? __lock_acquire+0x62f/0x4c20
[  375.726707]  ? should_fail+0x22d/0xd01
[  375.730587]  ? find_held_lock+0x36/0x1c0
[  375.734653]  ? mark_held_locks+0x130/0x130
[  375.738887]  ? mark_held_locks+0x130/0x130
[  375.743114]  ? zap_class+0x640/0x640
[  375.746822]  ? zap_class+0x640/0x640
[  375.750533]  ? print_usage_bug+0xc0/0xc0
[  375.754591]  ? do_raw_spin_unlock+0xa7/0x330
[  375.758996]  ? zap_class+0x640/0x640
[  375.762703]  ? print_usage_bug+0xc0/0xc0
[  375.766771]  ? wq_watchdog_touch+0x9c/0xfe
[  375.771003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.776538]  ? check_preemption_disabled+0x48/0x280
[  375.781557]  ? __lock_is_held+0xb5/0x140
[  375.785619]  __alloc_pages_nodemask+0xa80/0xde0
[  375.790286]  ? zap_class+0x640/0x640
[  375.794016]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.799042]  ? find_held_lock+0x36/0x1c0
[  375.803105]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.807768]  ? lock_downgrade+0x900/0x900
[  375.811916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.817478]  cache_grow_begin+0xa5/0x8c0
[  375.821535]  ? do_raw_spin_unlock+0xa7/0x330
[  375.825948]  fallback_alloc+0x204/0x2e0
[  375.829922]  ____cache_alloc_node+0x1c7/0x1e0
[  375.834416]  kmem_cache_alloc_node+0xe3/0x730
[  375.838905]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.843148]  __alloc_skb+0x119/0x770
[  375.846855]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.852136]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.856539]  ? lock_downgrade+0x900/0x900
[  375.860691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.866234]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.871686]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.877129]  ? addrconf_rs_timer+0x690/0x690
[  375.881542]  ndisc_alloc_skb+0x144/0x340
[  375.885605]  ndisc_send_rs+0x331/0x6e0
[  375.889502]  addrconf_rs_timer+0x314/0x690
[  375.893735]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.897975]  call_timer_fn+0x272/0x920
[  375.901856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.906083]  ? process_timeout+0x40/0x40
[  375.910147]  ? mark_held_locks+0xc7/0x130
[  375.914290]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.918777]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.923270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.927504]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.932095]  ? trace_hardirqs_on+0xbd/0x310
[  375.936409]  ? kasan_check_read+0x11/0x20
[  375.940548]  ? __run_timers+0x7da/0xc70
[  375.944522]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.949626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.953864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.958089]  __run_timers+0x7e5/0xc70
[  375.961914]  ? timer_fixup_init+0x70/0x70
[  375.966057]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.971071]  ? zap_class+0x640/0x640
[  375.974795]  ? print_usage_bug+0xc0/0xc0
[  375.978851]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.984041]  ? find_held_lock+0x36/0x1c0
[  375.988103]  ? zap_class+0x640/0x640
[  375.991816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.997349]  ? check_preemption_disabled+0x48/0x280
[  376.002366]  ? __lock_is_held+0xb5/0x140
[  376.006425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.011966]  ? check_preemption_disabled+0x48/0x280
[  376.016981]  run_timer_softirq+0x52/0xb0
[  376.021041]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.026050]  __do_softirq+0x308/0xb7e
[  376.029850]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  376.034339]  ? lock_downgrade+0x900/0x900
[  376.038492]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.043599]  ? pvclock_read_flags+0x160/0x160
[  376.048093]  ? lapic_next_event+0x5a/0x90
[  376.052240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.057775]  ? kvm_clock_read+0x18/0x30
[  376.061744]  ? kvm_sched_clock_read+0x9/0x20
[  376.066146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.071677]  ? check_preemption_disabled+0x48/0x280
[  376.076699]  irq_exit+0x17f/0x1c0
[  376.080148]  smp_apic_timer_interrupt+0x1cb/0x760
[  376.084985]  ? smp_call_function_single_interrupt+0x650/0x650
[  376.090867]  ? interrupt_entry+0xb5/0xc0
[  376.094921]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.099931]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.104952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.109789]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.114804]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.119813]  ? task_prio+0x50/0x50
[  376.123352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.128881]  ? check_preemption_disabled+0x48/0x280
[  376.133896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.138743]  apic_timer_interrupt+0xf/0x20
[  376.142971]  </IRQ>
[  376.145208] RIP: 0010:dump_stack+0x358/0x39d
[  376.149611] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  376.168506] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  376.176211] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  376.183478] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  376.190741] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  376.198009] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  376.205275] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  376.212552]  ? dump_stack+0x34f/0x39d
[  376.216360]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.221547]  ? mark_held_locks+0x130/0x130
[  376.225775]  ? mark_held_locks+0x130/0x130
[  376.230012]  dump_header+0x27b/0xf72
[  376.233735]  ? pagefault_out_of_memory+0x197/0x197
[  376.238663]  ? __lock_acquire+0x62f/0x4c20
[  376.242899]  ? percpu_ref_get_many+0x240/0x240
[  376.247482]  ? print_usage_bug+0xc0/0xc0
[  376.251545]  ? zap_class+0x640/0x640
[  376.255262]  ? print_usage_bug+0xc0/0xc0
[  376.259316]  ? print_usage_bug+0xc0/0xc0
[  376.263372]  ? zap_class+0x640/0x640
[  376.267083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.272621]  ? find_held_lock+0x36/0x1c0
[  376.276690]  ? mark_held_locks+0xc7/0x130
[  376.280833]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  376.285930]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  376.291028]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.295608]  ? trace_hardirqs_on+0xbd/0x310
[  376.299923]  ? kasan_check_read+0x11/0x20
[  376.304064]  ? ___ratelimit+0x3b4/0x672
[  376.308039]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.313136]  ? trace_hardirqs_on+0x310/0x310
[  376.317541]  ? lock_downgrade+0x900/0x900
[  376.321691]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  376.326793]  ? ___ratelimit+0x3b9/0x672
[  376.330761]  ? idr_get_free+0xf70/0xf70
[  376.334732]  ? find_held_lock+0x36/0x1c0
[  376.338798]  oom_kill_process.cold.27+0x10/0x903
[  376.343546]  ? zap_class+0x640/0x640
[  376.347255]  ? check_preemption_disabled+0x48/0x280
[  376.352268]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.357191]  ? kasan_check_read+0x11/0x20
[  376.361331]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.366607]  ? oom_evaluate_task+0x540/0x540
[  376.371014]  ? find_held_lock+0x36/0x1c0
[  376.375076]  ? out_of_memory+0x974/0x1430
[  376.379223]  ? lock_downgrade+0x900/0x900
[  376.383365]  ? check_preemption_disabled+0x48/0x280
[  376.388381]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.393304]  ? kasan_check_read+0x11/0x20
[  376.397455]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.402724]  ? rcu_softirq_qs+0x20/0x20
[  376.406697]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.412226]  ? oom_evaluate_task+0x302/0x540
[  376.416636]  out_of_memory+0xa84/0x1430
[  376.420613]  ? oom_killer_disable+0x3a0/0x3a0
[  376.425119]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  376.430045]  ? __ww_mutex_check_waiters+0x160/0x160
[  376.435069]  __alloc_pages_slowpath+0x2354/0x2e10
[  376.439933]  ? warn_alloc+0x120/0x120
[  376.443726]  ? mark_held_locks+0x130/0x130
[  376.447963]  ? find_get_entry+0xaae/0x1120
[  376.452200]  ? filemap_map_pages+0x1a20/0x1a20
[  376.456784]  ? zap_class+0x640/0x640
[  376.460502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.466033]  ? check_preemption_disabled+0x48/0x280
[  376.471043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.476577]  ? should_fail+0x22d/0xd01
[  376.480467]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.485566]  ? zap_class+0x640/0x640
[  376.489298]  ? __lock_is_held+0xb5/0x140
[  376.493363]  ? mark_held_locks+0x130/0x130
[  376.497593]  ? lock_release+0xa00/0xa00
[  376.501561]  ? perf_trace_sched_process_exec+0x860/0x860
[  376.507437]  ? xa_load+0x2ba/0x460
[  376.510979]  ? lock_downgrade+0x900/0x900
[  376.515129]  ? __might_sleep+0x95/0x190
[  376.519101]  __alloc_pages_nodemask+0xa80/0xde0
[  376.523770]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  376.528786]  ? __page_cache_alloc+0x191/0x5c0
[  376.533275]  ? xa_load+0x2e1/0x460
[  376.536814]  ? xa_clear_mark+0x40/0x40
[  376.540698]  ? zap_class+0x640/0x640
[  376.544420]  ? zap_class+0x640/0x640
[  376.548130]  ? zap_class+0x640/0x640
[  376.551838]  ? __do_page_cache_readahead+0x663/0x810
[  376.556942]  ? find_held_lock+0x36/0x1c0
[  376.561001]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  376.566540]  alloc_pages_current+0x173/0x350
[  376.570946]  __page_cache_alloc+0x38c/0x5c0
[  376.575265]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.580185]  ? kasan_check_read+0x11/0x20
[  376.584324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.589595]  ? generic_perform_write+0x6a0/0x6a0
[  376.594344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.599877]  ? check_preemption_disabled+0x48/0x280
[  376.604896]  filemap_fault+0x1595/0x25f0
[  376.608969]  ? __lock_page_or_retry+0xa00/0xa00
[  376.613636]  ? mark_held_locks+0x130/0x130
[  376.617878]  ? filemap_map_pages+0xd6b/0x1a20
[  376.622374]  ? lock_downgrade+0x900/0x900
[  376.626523]  ? check_preemption_disabled+0x48/0x280
[  376.631551]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.636477]  ? kasan_check_read+0x11/0x20
[  376.640618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.645887]  ? rcu_softirq_qs+0x20/0x20
[  376.649871]  ? filemap_map_pages+0xd92/0x1a20
[  376.654365]  ? print_usage_bug+0xc0/0xc0
[  376.658440]  ? find_get_entries_tag+0x1400/0x1400
[  376.663276]  ? __kasan_slab_free+0x102/0x150
[  376.667675]  ? kasan_slab_free+0xe/0x10
[  376.671652]  ? kmem_cache_free+0x83/0x290
[  376.676380]  ? __sigqueue_free.part.29+0x74/0x90
[  376.681161]  ? lock_acquire+0x1ed/0x520
[  376.685129]  ? ext4_filemap_fault+0x7a/0xad
[  376.689454]  ? lock_release+0xa00/0xa00
[  376.693426]  ? perf_trace_sched_process_exec+0x860/0x860
[  376.698876]  ? print_usage_bug+0xc0/0xc0
[  376.702932]  ? print_usage_bug+0xc0/0xc0
[  376.706998]  ? down_read+0x8d/0x120
[  376.710619]  ? ext4_filemap_fault+0x7a/0xad
[  376.714936]  ? __down_interruptible+0x700/0x700
[  376.719607]  ext4_filemap_fault+0x82/0xad
[  376.723756]  __do_fault+0x100/0x6b0
[  376.727381]  ? pmd_devmap_trans_unstable+0x220/0x220
[  376.732488]  ? mark_held_locks+0x130/0x130
[  376.736719]  ? mark_held_locks+0x130/0x130
[  376.740949]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  376.746496]  ? rcu_pm_notify+0xc0/0xc0
[  376.750386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.755931]  __handle_mm_fault+0x3ea0/0x5be0
[  376.760342]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  376.765178]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.769673]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.774253]  ? trace_hardirqs_on+0xbd/0x310
[  376.778569]  ? kasan_check_read+0x11/0x20
[  376.782713]  ? __set_current_blocked+0xdf/0x120
[  376.787377]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.792506]  ? zap_class+0x640/0x640
[  376.796212]  ? zap_class+0x640/0x640
[  376.799926]  ? find_held_lock+0x36/0x1c0
[  376.804002]  ? handle_mm_fault+0x42a/0xc70
[  376.808232]  ? lock_downgrade+0x900/0x900
[  376.812379]  ? check_preemption_disabled+0x48/0x280
[  376.817421]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.822343]  ? kasan_check_read+0x11/0x20
[  376.826486]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.831760]  ? rcu_softirq_qs+0x20/0x20
[  376.835732]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.840830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.846364]  ? check_preemption_disabled+0x48/0x280
[  376.851395]  handle_mm_fault+0x54f/0xc70
[  376.855457]  ? __handle_mm_fault+0x5be0/0x5be0
[  376.860040]  ? find_vma+0x34/0x190
[  376.863579]  __do_page_fault+0x5e8/0xe60
[  376.867635]  ? exit_to_usermode_loop+0x1f4/0x380
[  376.872400]  do_page_fault+0xf2/0x7e0
[  376.876203]  ? vmalloc_sync_all+0x30/0x30
[  376.880346]  ? error_entry+0x70/0xd0
[  376.884061]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.889070]  ? trace_hardirqs_on_caller+0xc0/0x310
[  376.893993]  ? syscall_return_slowpath+0x5e0/0x5e0
[  376.898922]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.903763]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.908772]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.914223]  ? prepare_exit_to_usermode+0x291/0x3b0
[  376.919232]  ? page_fault+0x8/0x30
[  376.922768]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.927609]  ? page_fault+0x8/0x30
[  376.931144]  page_fault+0x1e/0x30
[  376.934595] RIP: 0033:0x45db60
[  376.937792] Code: Bad RIP value.
[  376.941145] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  376.946500] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  376.953760] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  376.961019] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  376.968278] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  376.975538] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  376.982822] warn_alloc_show_mem: 1 callbacks suppressed
[  376.982831] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  376.982833] Mem-Info:
[  376.982863] active_anon:52805 inactive_anon:249 isolated_anon:0
[  376.982863]  active_file:17 inactive_file:10 isolated_file:0
[  376.982863]  unevictable:0 dirty:0 writeback:0 unstable:0
[  376.982863]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  376.982863]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  376.982863]  free:13758 free_pcp:272 free_cma:0
[  376.988196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.995551] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  376.997944] Call Trace:
[  377.030797] 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
[  377.040135]  <IRQ>
[  377.067693] lowmem_reserve[]: 0 2818 6321 6321
[  377.070270]  dump_stack+0x244/0x39d
[  377.096352] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  377.098507]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.103061] lowmem_reserve[]: 0 0 3503 3503
[  377.106691]  warn_alloc.cold.116+0xb7/0x1bd
[  377.133979] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  377.139163]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.143459] lowmem_reserve[]: 0 0 0 0
[  377.147777]  ? lock_downgrade+0x900/0x900
[  377.176632] 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
[  377.181471]  ? trace_hardirqs_off+0xb8/0x310
[  377.185235] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  377.189382]  ? trace_hardirqs_off+0xb8/0x310
[  377.202872] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  377.207280]  __alloc_pages_slowpath+0x26e8/0x2e10
[  377.222426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  377.226841]  ? warn_alloc+0x120/0x120
[  377.242229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  377.247056]  ? print_usage_bug+0xc0/0xc0
[  377.255859] 326 total pagecache pages
[  377.259644]  ? warn_alloc+0x120/0x120
[  377.268195] 0 pages in swap cache
[  377.272240]  ? warn_alloc+0x120/0x120
[  377.276014] Swap cache stats: add 0, delete 0, find 0/0
[  377.279800]  ? print_usage_bug+0xc0/0xc0
[  377.283222] Free swap  = 0kB
[  377.287009]  ? print_usage_bug+0xc0/0xc0
[  377.292339] Total swap = 0kB
[  377.296395]  ? __lock_acquire+0x62f/0x4c20
[  377.299386] 1965979 pages RAM
[  377.303433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.306422] 0 pages HighMem/MovableOnly
[  377.310655]  ? should_fail+0x22d/0xd01
[  377.313726] 342854 pages reserved
[  377.319247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.323189] 0 pages cma reserved
[  377.327064]  ? __lock_acquire+0x62f/0x4c20
[  377.330542] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.335577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.338988] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.343137]  ? __lock_acquire+0x62f/0x4c20
[  377.349596] syz-fuzzer cpuset=/ mems_allowed=0
[  377.354678]  ? should_fail+0x22d/0xd01
[  377.354693]  ? find_held_lock+0x36/0x1c0
[  377.381603]  ? mark_held_locks+0x130/0x130
[  377.385840]  ? mark_held_locks+0x130/0x130
[  377.390066]  ? zap_class+0x640/0x640
[  377.393773]  ? zap_class+0x640/0x640
[  377.397488]  ? print_usage_bug+0xc0/0xc0
[  377.401540]  ? do_raw_spin_unlock+0xa7/0x330
[  377.405942]  ? zap_class+0x640/0x640
[  377.409648]  ? print_usage_bug+0xc0/0xc0
[  377.413702]  ? wq_watchdog_touch+0x9c/0xfe
[  377.417937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.423475]  ? check_preemption_disabled+0x48/0x280
[  377.428495]  ? __lock_is_held+0xb5/0x140
[  377.432555]  __alloc_pages_nodemask+0xa80/0xde0
[  377.437220]  ? zap_class+0x640/0x640
[  377.440935]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  377.445958]  ? find_held_lock+0x36/0x1c0
[  377.450024]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.454693]  ? lock_downgrade+0x900/0x900
[  377.458846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.464383]  cache_grow_begin+0xa5/0x8c0
[  377.468435]  ? do_raw_spin_unlock+0xa7/0x330
[  377.472845]  fallback_alloc+0x204/0x2e0
[  377.476822]  ____cache_alloc_node+0x1c7/0x1e0
[  377.481321]  kmem_cache_alloc_node+0xe3/0x730
[  377.485819]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.490061]  __alloc_skb+0x119/0x770
[  377.493774]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.499053]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.503455]  ? lock_downgrade+0x900/0x900
[  377.507934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.513474]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.518924]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.524374]  ? addrconf_rs_timer+0x690/0x690
[  377.528790]  ndisc_alloc_skb+0x144/0x340
[  377.532853]  ndisc_send_rs+0x331/0x6e0
[  377.536744]  addrconf_rs_timer+0x314/0x690
[  377.540977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.545216]  call_timer_fn+0x272/0x920
[  377.549095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.553334]  ? process_timeout+0x40/0x40
[  377.557401]  ? __run_timers+0x7da/0xc70
[  377.561372]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.565865]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.570363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.574594]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.579172]  ? trace_hardirqs_on+0xbd/0x310
[  377.583489]  ? kasan_check_read+0x11/0x20
[  377.587630]  ? __run_timers+0x7da/0xc70
[  377.591598]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.596704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.600936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.605166]  __run_timers+0x7e5/0xc70
[  377.608969]  ? timer_fixup_init+0x70/0x70
[  377.613118]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  377.618133]  ? zap_class+0x640/0x640
[  377.621847]  ? enqueue_hrtimer+0x1a5/0x560
[  377.626082]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.631272]  ? find_held_lock+0x36/0x1c0
[  377.635339]  ? zap_class+0x640/0x640
[  377.639051]  ? pvclock_read_flags+0x160/0x160
[  377.643545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.649099]  ? check_preemption_disabled+0x48/0x280
[  377.654120]  ? __lock_is_held+0xb5/0x140
[  377.658179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.663711]  ? check_preemption_disabled+0x48/0x280
[  377.668727]  run_timer_softirq+0x52/0xb0
[  377.672783]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.677794]  __do_softirq+0x308/0xb7e
[  377.681592]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.686081]  ? lock_downgrade+0x900/0x900
[  377.690230]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.695340]  ? pvclock_read_flags+0x160/0x160
[  377.699836]  ? lapic_next_event+0x5a/0x90
[  377.703986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.709526]  ? kvm_clock_read+0x18/0x30
[  377.713495]  ? kvm_sched_clock_read+0x9/0x20
[  377.717903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.723436]  ? check_preemption_disabled+0x48/0x280
[  377.728457]  irq_exit+0x17f/0x1c0
[  377.731907]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.736743]  ? smp_call_function_single_interrupt+0x159/0x650
[  377.742622]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.748517]  ? interrupt_entry+0xb5/0xc0
[  377.752575]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.757590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.762600]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.767442]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.772458]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.777465]  ? task_prio+0x50/0x50
[  377.781014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.786547]  ? check_preemption_disabled+0x48/0x280
[  377.791566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.796409]  apic_timer_interrupt+0xf/0x20
[  377.800630]  </IRQ>
[  377.802871] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  377.808749] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  377.827639] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  377.835341] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  377.842602] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  377.849864] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  377.857123] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  377.864383] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  377.871673]  ? save_stack+0xa9/0xd0
[  377.875315]  __kmalloc_node_track_caller+0x3c/0x70
[  377.880246]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  377.885003]  pskb_expand_head+0x230/0x10f0
[  377.889237]  ? memcpy+0x45/0x50
[  377.892514]  ? __copy_skb_header+0x350/0x6b0
[  377.896918]  ? skb_release_data+0x880/0x880
[  377.901236]  ? __alloc_skb+0x770/0x770
[  377.905128]  ? __lock_is_held+0xb5/0x140
[  377.909188]  ? kasan_check_write+0x14/0x20
[  377.913418]  ? __skb_clone+0x6c7/0xa00
[  377.917310]  ? __copy_skb_header+0x6b0/0x6b0
[  377.921711]  ? kmem_cache_alloc+0x33a/0x730
[  377.926036]  skb_ensure_writable+0x3dd/0x640
[  377.930443]  ? skb_checksum_setup+0xaa0/0xaa0
[  377.934931]  ? check_preemption_disabled+0x48/0x280
[  377.939945]  ? __this_cpu_preempt_check+0x1c/0x20
[  377.944780]  ? __bpf_redirect+0x54b/0xb20
[  377.948926]  bpf_clone_redirect+0x14a/0x490
[  377.953249]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  377.958262]  ? __sched_text_start+0x8/0x8
[  377.962415]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.966990]  ? retint_kernel+0x2d/0x2d
[  377.970872]  ? trace_hardirqs_on_caller+0xc0/0x310
[  377.975815]  ? find_held_lock+0x36/0x1c0
[  377.979882]  ? lock_acquire+0x1ed/0x520
[  377.983856]  ? bpf_test_run+0x3cb/0x780
[  377.987833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.993364]  ? check_preemption_disabled+0x48/0x280
[  377.998378]  ? kasan_check_read+0x11/0x20
[  378.002528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.007797]  ? rcu_softirq_qs+0x20/0x20
[  378.011777]  ? preempt_schedule+0x4d/0x60
[  378.015925]  ? ___preempt_schedule+0x16/0x18
[  378.020334]  ? bpf_test_run+0x25d/0x780
[  378.024318]  ? netlink_diag_dump+0x2a0/0x2a0
[  378.028736]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  378.033497]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  378.038333]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  378.043867]  ? fput+0x130/0x1a0
[  378.047141]  ? __bpf_prog_get+0x9b/0x290
[  378.051203]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  378.056039]  ? bpf_prog_test_run+0x130/0x1a0
[  378.060452]  ? __x64_sys_bpf+0x3d8/0x520
[  378.064509]  ? bpf_prog_get+0x20/0x20
[  378.068321]  ? do_syscall_64+0x142/0x820
[  378.072384]  ? do_syscall_64+0x1b9/0x820
[  378.076439]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  378.081801]  ? syscall_return_slowpath+0x5e0/0x5e0
[  378.086728]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.091581]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.096592]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  378.101605]  ? prepare_exit_to_usermode+0x291/0x3b0
[  378.106621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.111464]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  378.116847] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  378.116914] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.123865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.123869] Call Trace:
[  378.123875]  <IRQ>
[  378.123890]  dump_stack+0x244/0x39d
[  378.123909]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.130448] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.139731]  warn_alloc.cold.116+0xb7/0x1bd
[  378.142287] syz-executor1 cpuset=syz1 mems_allowed=0
[  378.144425]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.177876]  ? lock_downgrade+0x900/0x900
[  378.182026]  ? trace_hardirqs_off+0xb8/0x310
[  378.186438]  ? trace_hardirqs_off+0xb8/0x310
[  378.190853]  __alloc_pages_slowpath+0x26e8/0x2e10
[  378.195716]  ? warn_alloc+0x120/0x120
[  378.199514]  ? print_usage_bug+0xc0/0xc0
[  378.203571]  ? warn_alloc+0x120/0x120
[  378.207373]  ? warn_alloc+0x120/0x120
[  378.211171]  ? print_usage_bug+0xc0/0xc0
[  378.215230]  ? kvm_clock_read+0x18/0x30
[  378.219199]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  378.224213]  ? print_usage_bug+0xc0/0xc0
[  378.228276]  ? __lock_acquire+0x62f/0x4c20
[  378.232518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.238056]  ? should_fail+0x22d/0xd01
[  378.241939]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.247212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.252318]  ? __lock_acquire+0x62f/0x4c20
[  378.256560]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.261656]  ? __lock_acquire+0x62f/0x4c20
[  378.265882]  ? should_fail+0x22d/0xd01
[  378.269763]  ? rcu_irq_exit+0x1a2/0x390
[  378.273740]  ? mark_held_locks+0x130/0x130
[  378.277973]  ? mark_held_locks+0x130/0x130
[  378.282207]  ? mark_held_locks+0xc7/0x130
[  378.286353]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  378.291364]  ? zap_class+0x640/0x640
[  378.295069]  ? print_usage_bug+0xc0/0xc0
[  378.299127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.304659]  ? check_preemption_disabled+0x48/0x280
[  378.309678]  ? __lock_is_held+0xb5/0x140
[  378.313739]  __alloc_pages_nodemask+0xa80/0xde0
[  378.318404]  ? zap_class+0x640/0x640
[  378.322121]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.327140]  ? find_held_lock+0x36/0x1c0
[  378.331205]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.335872]  ? lock_downgrade+0x900/0x900
[  378.340021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.345556]  cache_grow_begin+0xa5/0x8c0
[  378.349610]  ? do_raw_spin_unlock+0xa7/0x330
[  378.354019]  fallback_alloc+0x204/0x2e0
[  378.357996]  ____cache_alloc_node+0x1c7/0x1e0
[  378.362490]  kmem_cache_alloc_node+0xe3/0x730
[  378.366981]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.371217]  __alloc_skb+0x119/0x770
[  378.374927]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.380200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.384601]  ? lock_downgrade+0x900/0x900
[  378.388752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.394297]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.399745]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.405190]  ? addrconf_rs_timer+0x690/0x690
[  378.409627]  ndisc_alloc_skb+0x144/0x340
[  378.413694]  ndisc_send_rs+0x331/0x6e0
[  378.417579]  addrconf_rs_timer+0x314/0x690
[  378.421814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.426054]  call_timer_fn+0x272/0x920
[  378.429934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.434162]  ? process_timeout+0x40/0x40
[  378.438225]  ? mark_held_locks+0xc7/0x130
[  378.442377]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.446868]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.451358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.455586]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.460163]  ? trace_hardirqs_on+0xbd/0x310
[  378.464478]  ? kasan_check_read+0x11/0x20
[  378.468619]  ? __run_timers+0x7da/0xc70
[  378.472589]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.477691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.481926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.486151]  __run_timers+0x7e5/0xc70
[  378.489958]  ? timer_fixup_init+0x70/0x70
[  378.494102]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.499113]  ? zap_class+0x640/0x640
[  378.502829]  ? print_usage_bug+0xc0/0xc0
[  378.506887]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  378.512077]  ? find_held_lock+0x36/0x1c0
[  378.516140]  ? zap_class+0x640/0x640
[  378.519857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.525391]  ? check_preemption_disabled+0x48/0x280
[  378.530410]  ? __lock_is_held+0xb5/0x140
[  378.534467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.540003]  ? check_preemption_disabled+0x48/0x280
[  378.545021]  run_timer_softirq+0x52/0xb0
[  378.549078]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.554090]  __do_softirq+0x308/0xb7e
[  378.557889]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  378.562381]  ? lock_downgrade+0x900/0x900
[  378.566529]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.571648]  ? pvclock_read_flags+0x160/0x160
[  378.576142]  ? lapic_next_event+0x5a/0x90
[  378.580289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.585825]  ? kvm_clock_read+0x18/0x30
[  378.589792]  ? kvm_sched_clock_read+0x9/0x20
[  378.594208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.599751]  ? check_preemption_disabled+0x48/0x280
[  378.604771]  irq_exit+0x17f/0x1c0
[  378.608218]  smp_apic_timer_interrupt+0x1cb/0x760
[  378.613074]  ? smp_call_function_single_interrupt+0x650/0x650
[  378.618952]  ? interrupt_entry+0xb5/0xc0
[  378.623010]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.628023]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.633033]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.637871]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.642884]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.647896]  ? task_prio+0x50/0x50
[  378.651435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.656969]  ? check_preemption_disabled+0x48/0x280
[  378.661988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.666836]  apic_timer_interrupt+0xf/0x20
[  378.671064]  </IRQ>
[  378.673793] RIP: 0010:dump_stack+0x358/0x39d
[  378.678207] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  378.697103] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  378.704817] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  378.712077] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  378.719337] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  378.726602] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  378.733861] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  378.741146]  ? dump_stack+0x34f/0x39d
[  378.744954]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.750145]  ? mark_held_locks+0x130/0x130
[  378.754374]  ? mark_held_locks+0x130/0x130
[  378.758609]  dump_header+0x27b/0xf72
[  378.762328]  ? pagefault_out_of_memory+0x197/0x197
[  378.767268]  ? __lock_acquire+0x62f/0x4c20
[  378.771501]  ? percpu_ref_get_many+0x240/0x240
[  378.776083]  ? print_usage_bug+0xc0/0xc0
[  378.780142]  ? zap_class+0x640/0x640
[  378.783852]  ? print_usage_bug+0xc0/0xc0
[  378.787907]  ? print_usage_bug+0xc0/0xc0
[  378.791965]  ? zap_class+0x640/0x640
[  378.795675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.801212]  ? find_held_lock+0x36/0x1c0
[  378.805284]  ? mark_held_locks+0xc7/0x130
[  378.809429]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.814528]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.819625]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.824296]  ? trace_hardirqs_on+0xbd/0x310
[  378.828610]  ? kasan_check_read+0x11/0x20
[  378.832752]  ? ___ratelimit+0x3b4/0x672
[  378.836720]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.841819]  ? trace_hardirqs_on+0x310/0x310
[  378.846230]  ? lock_downgrade+0x900/0x900
[  378.850380]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.855476]  ? ___ratelimit+0x3b9/0x672
[  378.859452]  ? idr_get_free+0xf70/0xf70
[  378.863508]  ? find_held_lock+0x36/0x1c0
[  378.867572]  oom_kill_process.cold.27+0x10/0x903
[  378.872321]  ? zap_class+0x640/0x640
[  378.876033]  ? check_preemption_disabled+0x48/0x280
[  378.881047]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.885968]  ? kasan_check_read+0x11/0x20
[  378.890121]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.895394]  ? oom_evaluate_task+0x540/0x540
[  378.899799]  ? find_held_lock+0x36/0x1c0
[  378.903864]  ? out_of_memory+0x974/0x1430
[  378.908014]  ? lock_downgrade+0x900/0x900
[  378.912155]  ? check_preemption_disabled+0x48/0x280
[  378.917171]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.922092]  ? kasan_check_read+0x11/0x20
[  378.926239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.931512]  ? rcu_softirq_qs+0x20/0x20
[  378.935485]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.941013]  ? oom_evaluate_task+0x302/0x540
[  378.945419]  out_of_memory+0xa84/0x1430
[  378.949397]  ? oom_killer_disable+0x3a0/0x3a0
[  378.953891]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  378.958816]  ? __ww_mutex_check_waiters+0x160/0x160
[  378.963841]  __alloc_pages_slowpath+0x2354/0x2e10
[  378.968704]  ? warn_alloc+0x120/0x120
[  378.972497]  ? mark_held_locks+0x130/0x130
[  378.976734]  ? find_get_entry+0xaae/0x1120
[  378.980971]  ? filemap_map_pages+0x1a20/0x1a20
[  378.985557]  ? zap_class+0x640/0x640
[  378.989275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.994806]  ? check_preemption_disabled+0x48/0x280
[  378.999821]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.005350]  ? should_fail+0x22d/0xd01
[  379.009239]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.014343]  ? zap_class+0x640/0x640
[  379.018079]  ? __lock_is_held+0xb5/0x140
[  379.022144]  ? mark_held_locks+0x130/0x130
[  379.026374]  ? lock_release+0xa00/0xa00
[  379.030344]  ? perf_trace_sched_process_exec+0x860/0x860
[  379.035787]  ? xa_load+0x2ba/0x460
[  379.039326]  ? lock_downgrade+0x900/0x900
[  379.043477]  ? __might_sleep+0x95/0x190
[  379.047452]  __alloc_pages_nodemask+0xa80/0xde0
[  379.052122]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.057131]  ? __page_cache_alloc+0x191/0x5c0
[  379.061620]  ? xa_load+0x2e1/0x460
[  379.065162]  ? xa_clear_mark+0x40/0x40
[  379.069047]  ? zap_class+0x640/0x640
[  379.072764]  ? zap_class+0x640/0x640
[  379.076478]  ? zap_class+0x640/0x640
[  379.080214]  ? __do_page_cache_readahead+0x663/0x810
[  379.085325]  ? find_held_lock+0x36/0x1c0
[  379.089386]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  379.094923]  alloc_pages_current+0x173/0x350
[  379.099332]  __page_cache_alloc+0x38c/0x5c0
[  379.103649]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.108571]  ? kasan_check_read+0x11/0x20
[  379.112715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.117993]  ? generic_perform_write+0x6a0/0x6a0
[  379.122748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.128282]  ? check_preemption_disabled+0x48/0x280
[  379.133301]  filemap_fault+0x1595/0x25f0
[  379.137373]  ? __lock_page_or_retry+0xa00/0xa00
[  379.142040]  ? mark_held_locks+0x130/0x130
[  379.146278]  ? filemap_map_pages+0xd6b/0x1a20
[  379.150790]  ? lock_downgrade+0x900/0x900
[  379.154935]  ? check_preemption_disabled+0x48/0x280
[  379.159952]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.164876]  ? kasan_check_read+0x11/0x20
[  379.169019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.174290]  ? rcu_softirq_qs+0x20/0x20
[  379.178273]  ? filemap_map_pages+0xd92/0x1a20
[  379.182765]  ? print_usage_bug+0xc0/0xc0
[  379.186826]  ? find_get_entries_tag+0x1400/0x1400
[  379.191662]  ? __kasan_slab_free+0x102/0x150
[  379.196063]  ? kasan_slab_free+0xe/0x10
[  379.200029]  ? kmem_cache_free+0x83/0x290
[  379.204186]  ? __sigqueue_free.part.29+0x74/0x90
[  379.208962]  ? lock_acquire+0x1ed/0x520
[  379.212930]  ? ext4_filemap_fault+0x7a/0xad
[  379.217262]  ? lock_release+0xa00/0xa00
[  379.221254]  ? perf_trace_sched_process_exec+0x860/0x860
[  379.226700]  ? print_usage_bug+0xc0/0xc0
[  379.230755]  ? print_usage_bug+0xc0/0xc0
[  379.234822]  ? down_read+0x8d/0x120
[  379.238440]  ? ext4_filemap_fault+0x7a/0xad
[  379.242759]  ? __down_interruptible+0x700/0x700
[  379.247429]  ext4_filemap_fault+0x82/0xad
[  379.251575]  __do_fault+0x100/0x6b0
[  379.255210]  ? pmd_devmap_trans_unstable+0x220/0x220
[  379.260315]  ? mark_held_locks+0x130/0x130
[  379.264544]  ? mark_held_locks+0x130/0x130
[  379.268774]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  379.274320]  ? rcu_pm_notify+0xc0/0xc0
[  379.278214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.283754]  __handle_mm_fault+0x3ea0/0x5be0
[  379.288165]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  379.293003]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.297497]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.302073]  ? trace_hardirqs_on+0xbd/0x310
[  379.306386]  ? kasan_check_read+0x11/0x20
[  379.310528]  ? __set_current_blocked+0xdf/0x120
[  379.315198]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.320314]  ? zap_class+0x640/0x640
[  379.324022]  ? zap_class+0x640/0x640
[  379.327739]  ? find_held_lock+0x36/0x1c0
[  379.331801]  ? handle_mm_fault+0x42a/0xc70
[  379.336034]  ? lock_downgrade+0x900/0x900
[  379.340187]  ? check_preemption_disabled+0x48/0x280
[  379.345219]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.350140]  ? kasan_check_read+0x11/0x20
[  379.354282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.359551]  ? rcu_softirq_qs+0x20/0x20
[  379.363518]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.368617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.374150]  ? check_preemption_disabled+0x48/0x280
[  379.379182]  handle_mm_fault+0x54f/0xc70
[  379.383243]  ? __handle_mm_fault+0x5be0/0x5be0
[  379.387826]  ? find_vma+0x34/0x190
[  379.391369]  __do_page_fault+0x5e8/0xe60
[  379.395426]  ? exit_to_usermode_loop+0x1f4/0x380
[  379.400194]  do_page_fault+0xf2/0x7e0
[  379.403995]  ? vmalloc_sync_all+0x30/0x30
[  379.408141]  ? error_entry+0x70/0xd0
[  379.411855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.416862]  ? trace_hardirqs_on_caller+0xc0/0x310
[  379.421790]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.426711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.431549]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.436557]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  379.442007]  ? prepare_exit_to_usermode+0x291/0x3b0
[  379.447017]  ? page_fault+0x8/0x30
[  379.450552]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.455394]  ? page_fault+0x8/0x30
[  379.458931]  page_fault+0x1e/0x30
[  379.462379] RIP: 0033:0x45db60
[  379.465580] Code: Bad RIP value.
[  379.468939] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  379.474297] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  379.481558] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  379.488909] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  379.496179] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  379.503443] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  379.511225] warn_alloc_show_mem: 1 callbacks suppressed
[  379.511235] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  379.511236] Mem-Info:
[  379.511267] active_anon:52805 inactive_anon:249 isolated_anon:0
[  379.511267]  active_file:17 inactive_file:10 isolated_file:0
[  379.511267]  unevictable:0 dirty:0 writeback:0 unstable:0
[  379.511267]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  379.511267]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  379.511267]  free:13758 free_pcp:272 free_cma:0
[  379.516600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.523955] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  379.526341] Call Trace:
[  379.559200] 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
[  379.568533]  <IRQ>
[  379.596095] lowmem_reserve[]: 0 2818 6321 6321
[  379.598674]  dump_stack+0x244/0x39d
[  379.624748] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  379.626890]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.631434] lowmem_reserve[]: 0 0 3503 3503
[  379.635065]  warn_alloc.cold.116+0xb7/0x1bd
[  379.662351] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  379.667529]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.671816] lowmem_reserve[]: 0 0 0 0
[  379.676134]  ? lock_downgrade+0x900/0x900
[  379.704985] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  379.709824]  ? trace_hardirqs_off+0xb8/0x310
[  379.713587] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  379.717729]  ? trace_hardirqs_off+0xb8/0x310
[  379.731219] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  379.735629]  __alloc_pages_slowpath+0x26e8/0x2e10
[  379.750772] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.755192]  ? warn_alloc+0x120/0x120
[  379.770574] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.770581] 326 total pagecache pages
[  379.775413]  ? print_usage_bug+0xc0/0xc0
[  379.784227] 0 pages in swap cache
[  379.788011]  ? warn_alloc+0x120/0x120
[  379.796557] Swap cache stats: add 0, delete 0, find 0/0
[  379.800343]  ? warn_alloc+0x120/0x120
[  379.804370] Free swap  = 0kB
[  379.807816]  ? print_usage_bug+0xc0/0xc0
[  379.811588] Total swap = 0kB
[  379.816937]  ? kvm_clock_read+0x18/0x30
[  379.820706] 1965979 pages RAM
[  379.823713]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  379.827741] 0 pages HighMem/MovableOnly
[  379.830744]  ? print_usage_bug+0xc0/0xc0
[  379.834690] 342854 pages reserved
[  379.837781]  ? __lock_acquire+0x62f/0x4c20
[  379.842768] 0 pages cma reserved
[  379.846731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.850813] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.854207]  ? should_fail+0x22d/0xd01
[  379.858486] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.861771]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.867299] syz-fuzzer cpuset=/ mems_allowed=0
[  379.873781]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.902751]  ? __lock_acquire+0x62f/0x4c20
[  379.906992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.912087]  ? __lock_acquire+0x62f/0x4c20
[  379.916313]  ? should_fail+0x22d/0xd01
[  379.920196]  ? rcu_irq_exit+0x1a2/0x390
[  379.924177]  ? mark_held_locks+0x130/0x130
[  379.928411]  ? mark_held_locks+0x130/0x130
[  379.932644]  ? mark_held_locks+0xc7/0x130
[  379.936789]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  379.941797]  ? zap_class+0x640/0x640
[  379.945505]  ? print_usage_bug+0xc0/0xc0
[  379.949564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.955096]  ? check_preemption_disabled+0x48/0x280
[  379.960114]  ? __lock_is_held+0xb5/0x140
[  379.964181]  __alloc_pages_nodemask+0xa80/0xde0
[  379.968846]  ? zap_class+0x640/0x640
[  379.972560]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.977585]  ? find_held_lock+0x36/0x1c0
[  379.981650]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.986315]  ? lock_downgrade+0x900/0x900
[  379.990468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.996003]  cache_grow_begin+0xa5/0x8c0
[  380.000059]  ? do_raw_spin_unlock+0xa7/0x330
[  380.004470]  fallback_alloc+0x204/0x2e0
[  380.008446]  ____cache_alloc_node+0x1c7/0x1e0
[  380.012946]  kmem_cache_alloc_node+0xe3/0x730
[  380.017435]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.021678]  __alloc_skb+0x119/0x770
[  380.025387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.030676]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.035078]  ? lock_downgrade+0x900/0x900
[  380.039226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.044761]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.050221]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.055673]  ? addrconf_rs_timer+0x690/0x690
[  380.060086]  ndisc_alloc_skb+0x144/0x340
[  380.064155]  ndisc_send_rs+0x331/0x6e0
[  380.068043]  addrconf_rs_timer+0x314/0x690
[  380.072275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.076513]  call_timer_fn+0x272/0x920
[  380.080397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.084626]  ? process_timeout+0x40/0x40
[  380.088692]  ? __run_timers+0x7da/0xc70
[  380.092667]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.097154]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.101641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.105878]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.110457]  ? trace_hardirqs_on+0xbd/0x310
[  380.114774]  ? kasan_check_read+0x11/0x20
[  380.118914]  ? __run_timers+0x7da/0xc70
[  380.122883]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.127989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.132318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.136549]  __run_timers+0x7e5/0xc70
[  380.140356]  ? timer_fixup_init+0x70/0x70
[  380.144499]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  380.149514]  ? zap_class+0x640/0x640
[  380.153227]  ? enqueue_hrtimer+0x1a5/0x560
[  380.157457]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  380.162652]  ? find_held_lock+0x36/0x1c0
[  380.166711]  ? zap_class+0x640/0x640
[  380.170424]  ? pvclock_read_flags+0x160/0x160
[  380.174914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.180446]  ? check_preemption_disabled+0x48/0x280
[  380.185477]  ? __lock_is_held+0xb5/0x140
[  380.189538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.195070]  ? check_preemption_disabled+0x48/0x280
[  380.200086]  run_timer_softirq+0x52/0xb0
[  380.204148]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.209161]  __do_softirq+0x308/0xb7e
[  380.212982]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  380.217468]  ? lock_downgrade+0x900/0x900
[  380.221614]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.226720]  ? pvclock_read_flags+0x160/0x160
[  380.231224]  ? lapic_next_event+0x5a/0x90
[  380.235368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.240909]  ? kvm_clock_read+0x18/0x30
[  380.244880]  ? kvm_sched_clock_read+0x9/0x20
[  380.249282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.254817]  ? check_preemption_disabled+0x48/0x280
[  380.259834]  irq_exit+0x17f/0x1c0
[  380.263284]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.268127]  ? smp_call_function_single_interrupt+0x159/0x650
[  380.274005]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.279889]  ? interrupt_entry+0xb5/0xc0
[  380.284034]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.289043]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.294056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.298893]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.303902]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.308911]  ? task_prio+0x50/0x50
[  380.312447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.317979]  ? check_preemption_disabled+0x48/0x280
[  380.322995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.327843]  apic_timer_interrupt+0xf/0x20
[  380.332067]  </IRQ>
[  380.334306] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  380.340184] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  380.359081] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  380.366785] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  380.374045] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  380.381305] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  380.388565] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  380.395829] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  380.403128]  ? save_stack+0xa9/0xd0
[  380.406760]  __kmalloc_node_track_caller+0x3c/0x70
[  380.411691]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  380.416449]  pskb_expand_head+0x230/0x10f0
[  380.420683]  ? memcpy+0x45/0x50
[  380.423963]  ? __copy_skb_header+0x350/0x6b0
[  380.428372]  ? skb_release_data+0x880/0x880
[  380.432691]  ? __alloc_skb+0x770/0x770
[  380.436582]  ? __lock_is_held+0xb5/0x140
[  380.440647]  ? kasan_check_write+0x14/0x20
[  380.444874]  ? __skb_clone+0x6c7/0xa00
[  380.448763]  ? __copy_skb_header+0x6b0/0x6b0
[  380.453163]  ? kmem_cache_alloc+0x33a/0x730
[  380.457488]  skb_ensure_writable+0x3dd/0x640
[  380.461896]  ? skb_checksum_setup+0xaa0/0xaa0
[  380.466388]  ? check_preemption_disabled+0x48/0x280
[  380.471404]  ? __this_cpu_preempt_check+0x1c/0x20
[  380.476241]  ? __bpf_redirect+0x54b/0xb20
[  380.480388]  bpf_clone_redirect+0x14a/0x490
[  380.484711]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  380.489725]  ? __sched_text_start+0x8/0x8
[  380.493870]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.498443]  ? retint_kernel+0x2d/0x2d
[  380.502412]  ? trace_hardirqs_on_caller+0xc0/0x310
[  380.507341]  ? find_held_lock+0x36/0x1c0
[  380.511405]  ? lock_acquire+0x1ed/0x520
[  380.515378]  ? bpf_test_run+0x3cb/0x780
[  380.519349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.524886]  ? check_preemption_disabled+0x48/0x280
[  380.529905]  ? kasan_check_read+0x11/0x20
[  380.534049]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.539319]  ? rcu_softirq_qs+0x20/0x20
[  380.543291]  ? preempt_schedule+0x4d/0x60
[  380.547437]  ? ___preempt_schedule+0x16/0x18
[  380.551844]  ? bpf_test_run+0x25d/0x780
[  380.555827]  ? netlink_diag_dump+0x2a0/0x2a0
[  380.560241]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  380.565003]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  380.569838]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  380.575369]  ? fput+0x130/0x1a0
[  380.578646]  ? __bpf_prog_get+0x9b/0x290
[  380.582712]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  380.587546]  ? bpf_prog_test_run+0x130/0x1a0
[  380.591950]  ? __x64_sys_bpf+0x3d8/0x520
[  380.596008]  ? bpf_prog_get+0x20/0x20
[  380.599819]  ? do_syscall_64+0x142/0x820
[  380.603877]  ? do_syscall_64+0x1b9/0x820
[  380.607935]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  380.613294]  ? syscall_return_slowpath+0x5e0/0x5e0
[  380.618220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.623061]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.628086]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  380.633105]  ? prepare_exit_to_usermode+0x291/0x3b0
[  380.638131]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.642974]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  380.648370] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  380.648427] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.655378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.655385] Call Trace:
[  380.661942] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.671199]  <IRQ>
[  380.674279] syz-executor1 cpuset=syz1 mems_allowed=0
[  380.684758]  dump_stack+0x244/0x39d
[  380.695580]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.700800]  warn_alloc.cold.116+0xb7/0x1bd
[  380.705123]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.709965]  ? lock_downgrade+0x900/0x900
[  380.714118]  ? trace_hardirqs_off+0xb8/0x310
[  380.718531]  ? trace_hardirqs_off+0xb8/0x310
[  380.722948]  __alloc_pages_slowpath+0x26e8/0x2e10
[  380.727815]  ? warn_alloc+0x120/0x120
[  380.731613]  ? print_usage_bug+0xc0/0xc0
[  380.735675]  ? warn_alloc+0x120/0x120
[  380.739481]  ? warn_alloc+0x120/0x120
[  380.743277]  ? print_usage_bug+0xc0/0xc0
[  380.747336]  ? kvm_clock_read+0x18/0x30
[  380.751307]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  380.756322]  ? print_usage_bug+0xc0/0xc0
[  380.760376]  ? __lock_acquire+0x62f/0x4c20
[  380.764614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.770235]  ? should_fail+0x22d/0xd01
[  380.774129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.779405]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.784507]  ? __lock_acquire+0x62f/0x4c20
[  380.788749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.793857]  ? __lock_acquire+0x62f/0x4c20
[  380.798092]  ? should_fail+0x22d/0xd01
[  380.801978]  ? rcu_irq_exit+0x1a2/0x390
[  380.805959]  ? mark_held_locks+0x130/0x130
[  380.810195]  ? mark_held_locks+0x130/0x130
[  380.814432]  ? mark_held_locks+0xc7/0x130
[  380.818573]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  380.823586]  ? zap_class+0x640/0x640
[  380.827297]  ? print_usage_bug+0xc0/0xc0
[  380.831361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.836897]  ? check_preemption_disabled+0x48/0x280
[  380.841916]  ? __lock_is_held+0xb5/0x140
[  380.845975]  __alloc_pages_nodemask+0xa80/0xde0
[  380.850640]  ? zap_class+0x640/0x640
[  380.854355]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  380.859376]  ? find_held_lock+0x36/0x1c0
[  380.863442]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.868107]  ? lock_downgrade+0x900/0x900
[  380.872260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.877796]  cache_grow_begin+0xa5/0x8c0
[  380.881854]  ? do_raw_spin_unlock+0xa7/0x330
[  380.886266]  fallback_alloc+0x204/0x2e0
[  380.890244]  ____cache_alloc_node+0x1c7/0x1e0
[  380.894750]  kmem_cache_alloc_node+0xe3/0x730
[  380.899240]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.903479]  __alloc_skb+0x119/0x770
[  380.907188]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.912462]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.916954]  ? lock_downgrade+0x900/0x900
[  380.921111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.926647]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.932100]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.937552]  ? addrconf_rs_timer+0x690/0x690
[  380.941965]  ndisc_alloc_skb+0x144/0x340
[  380.946028]  ndisc_send_rs+0x331/0x6e0
[  380.949932]  addrconf_rs_timer+0x314/0x690
[  380.954168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.958407]  call_timer_fn+0x272/0x920
[  380.962289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.966517]  ? process_timeout+0x40/0x40
[  380.970581]  ? mark_held_locks+0xc7/0x130
[  380.974724]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.979213]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.983728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.987962]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.992541]  ? trace_hardirqs_on+0xbd/0x310
[  380.996859]  ? kasan_check_read+0x11/0x20
[  381.000998]  ? __run_timers+0x7da/0xc70
[  381.004971]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.010103]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.014342]  __run_timers+0x7e5/0xc70
[  381.018150]  ? timer_fixup_init+0x70/0x70
[  381.022301]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  381.027317]  ? zap_class+0x640/0x640
[  381.031031]  ? print_usage_bug+0xc0/0xc0
[  381.035101]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  381.040304]  ? find_held_lock+0x36/0x1c0
[  381.044363]  ? zap_class+0x640/0x640
[  381.048084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.053616]  ? check_preemption_disabled+0x48/0x280
[  381.058635]  ? __lock_is_held+0xb5/0x140
[  381.062690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.068228]  ? check_preemption_disabled+0x48/0x280
[  381.073245]  run_timer_softirq+0x52/0xb0
[  381.077305]  ? rcu_read_lock_sched_held+0x14f/0x180
[  381.082317]  __do_softirq+0x308/0xb7e
[  381.086114]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  381.090602]  ? lock_downgrade+0x900/0x900
[  381.094751]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  381.099858]  ? pvclock_read_flags+0x160/0x160
[  381.104350]  ? lapic_next_event+0x5a/0x90
[  381.108495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.114048]  ? kvm_clock_read+0x18/0x30
[  381.118026]  ? kvm_sched_clock_read+0x9/0x20
[  381.122436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.127967]  ? check_preemption_disabled+0x48/0x280
[  381.132985]  irq_exit+0x17f/0x1c0
[  381.136431]  smp_apic_timer_interrupt+0x1cb/0x760
[  381.141269]  ? smp_call_function_single_interrupt+0x650/0x650
[  381.147146]  ? interrupt_entry+0xb5/0xc0
[  381.151203]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.156210]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.161220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.166064]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.171083]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.176093]  ? task_prio+0x50/0x50
[  381.179629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.185163]  ? check_preemption_disabled+0x48/0x280
[  381.190176]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.195019]  apic_timer_interrupt+0xf/0x20
[  381.199251]  </IRQ>
[  381.201492] RIP: 0010:dump_stack+0x358/0x39d
[  381.205896] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  381.224791] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  381.232490] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  381.239751] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  381.247011] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  381.254284] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  381.261543] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  381.268832]  ? dump_stack+0x34f/0x39d
[  381.272640]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.277825]  ? mark_held_locks+0x130/0x130
[  381.282061]  ? mark_held_locks+0x130/0x130
[  381.286294]  dump_header+0x27b/0xf72
[  381.290013]  ? pagefault_out_of_memory+0x197/0x197
[  381.294949]  ? __lock_acquire+0x62f/0x4c20
[  381.299181]  ? percpu_ref_get_many+0x240/0x240
[  381.303759]  ? print_usage_bug+0xc0/0xc0
[  381.307819]  ? zap_class+0x640/0x640
[  381.311527]  ? print_usage_bug+0xc0/0xc0
[  381.315580]  ? print_usage_bug+0xc0/0xc0
[  381.319639]  ? zap_class+0x640/0x640
[  381.323351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.328887]  ? find_held_lock+0x36/0x1c0
[  381.332951]  ? mark_held_locks+0xc7/0x130
[  381.337094]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  381.342191]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  381.347290]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.351870]  ? trace_hardirqs_on+0xbd/0x310
[  381.356184]  ? kasan_check_read+0x11/0x20
[  381.360323]  ? ___ratelimit+0x3b4/0x672
[  381.364290]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.369387]  ? trace_hardirqs_on+0x310/0x310
[  381.373794]  ? lock_downgrade+0x900/0x900
[  381.377942]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  381.383043]  ? ___ratelimit+0x3b9/0x672
[  381.387025]  ? idr_get_free+0xf70/0xf70
[  381.390996]  ? find_held_lock+0x36/0x1c0
[  381.395071]  oom_kill_process.cold.27+0x10/0x903
[  381.399826]  ? zap_class+0x640/0x640
[  381.403533]  ? check_preemption_disabled+0x48/0x280
[  381.408546]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.413467]  ? kasan_check_read+0x11/0x20
[  381.417610]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.422881]  ? oom_evaluate_task+0x540/0x540
[  381.427286]  ? find_held_lock+0x36/0x1c0
[  381.431347]  ? out_of_memory+0x974/0x1430
[  381.435490]  ? lock_downgrade+0x900/0x900
[  381.439632]  ? check_preemption_disabled+0x48/0x280
[  381.444648]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.449571]  ? kasan_check_read+0x11/0x20
[  381.453712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.458984]  ? rcu_softirq_qs+0x20/0x20
[  381.462964]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.468494]  ? oom_evaluate_task+0x302/0x540
[  381.472904]  out_of_memory+0xa84/0x1430
[  381.476893]  ? oom_killer_disable+0x3a0/0x3a0
[  381.481384]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  381.486317]  ? __ww_mutex_check_waiters+0x160/0x160
[  381.491338]  __alloc_pages_slowpath+0x2354/0x2e10
[  381.496205]  ? warn_alloc+0x120/0x120
[  381.499998]  ? mark_held_locks+0x130/0x130
[  381.504241]  ? find_get_entry+0xaae/0x1120
[  381.508965]  ? filemap_map_pages+0x1a20/0x1a20
[  381.513549]  ? zap_class+0x640/0x640
[  381.517262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.522803]  ? check_preemption_disabled+0x48/0x280
[  381.527813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.533350]  ? should_fail+0x22d/0xd01
[  381.537238]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.542423]  ? zap_class+0x640/0x640
[  381.546157]  ? __lock_is_held+0xb5/0x140
[  381.550220]  ? mark_held_locks+0x130/0x130
[  381.554453]  ? lock_release+0xa00/0xa00
[  381.559466]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.564913]  ? xa_load+0x2ba/0x460
[  381.568454]  ? lock_downgrade+0x900/0x900
[  381.572604]  ? __might_sleep+0x95/0x190
[  381.576582]  __alloc_pages_nodemask+0xa80/0xde0
[  381.581258]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.586276]  ? __page_cache_alloc+0x191/0x5c0
[  381.590766]  ? xa_load+0x2e1/0x460
[  381.594315]  ? xa_clear_mark+0x40/0x40
[  381.598203]  ? zap_class+0x640/0x640
[  381.601923]  ? zap_class+0x640/0x640
[  381.605634]  ? zap_class+0x640/0x640
[  381.609344]  ? __do_page_cache_readahead+0x663/0x810
[  381.614448]  ? find_held_lock+0x36/0x1c0
[  381.618521]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  381.624063]  alloc_pages_current+0x173/0x350
[  381.628479]  __page_cache_alloc+0x38c/0x5c0
[  381.632795]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.637732]  ? kasan_check_read+0x11/0x20
[  381.641874]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.647150]  ? generic_perform_write+0x6a0/0x6a0
[  381.651906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.657444]  ? check_preemption_disabled+0x48/0x280
[  381.662464]  filemap_fault+0x1595/0x25f0
[  381.666532]  ? __lock_page_or_retry+0xa00/0xa00
[  381.671206]  ? mark_held_locks+0x130/0x130
[  381.675449]  ? filemap_map_pages+0xd6b/0x1a20
[  381.679943]  ? lock_downgrade+0x900/0x900
[  381.684088]  ? check_preemption_disabled+0x48/0x280
[  381.689102]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.694030]  ? kasan_check_read+0x11/0x20
[  381.698172]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.703443]  ? rcu_softirq_qs+0x20/0x20
[  381.707424]  ? filemap_map_pages+0xd92/0x1a20
[  381.711922]  ? print_usage_bug+0xc0/0xc0
[  381.715993]  ? find_get_entries_tag+0x1400/0x1400
[  381.720834]  ? __kasan_slab_free+0x102/0x150
[  381.725242]  ? kasan_slab_free+0xe/0x10
[  381.729213]  ? kmem_cache_free+0x83/0x290
[  381.733362]  ? __sigqueue_free.part.29+0x74/0x90
[  381.738129]  ? lock_acquire+0x1ed/0x520
[  381.742111]  ? ext4_filemap_fault+0x7a/0xad
[  381.746433]  ? lock_release+0xa00/0xa00
[  381.750399]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.755850]  ? print_usage_bug+0xc0/0xc0
[  381.759908]  ? print_usage_bug+0xc0/0xc0
[  381.763974]  ? down_read+0x8d/0x120
[  381.767600]  ? ext4_filemap_fault+0x7a/0xad
[  381.771915]  ? __down_interruptible+0x700/0x700
[  381.776586]  ext4_filemap_fault+0x82/0xad
[  381.780733]  __do_fault+0x100/0x6b0
[  381.784366]  ? pmd_devmap_trans_unstable+0x220/0x220
[  381.789467]  ? mark_held_locks+0x130/0x130
[  381.793712]  ? mark_held_locks+0x130/0x130
[  381.797947]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  381.803509]  ? rcu_pm_notify+0xc0/0xc0
[  381.807397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.813029]  __handle_mm_fault+0x3ea0/0x5be0
[  381.817441]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  381.822279]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.826770]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.831347]  ? trace_hardirqs_on+0xbd/0x310
[  381.835661]  ? kasan_check_read+0x11/0x20
[  381.839803]  ? __set_current_blocked+0xdf/0x120
[  381.844466]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.849579]  ? zap_class+0x640/0x640
[  381.853284]  ? zap_class+0x640/0x640
[  381.857004]  ? find_held_lock+0x36/0x1c0
[  381.861072]  ? handle_mm_fault+0x42a/0xc70
[  381.865305]  ? lock_downgrade+0x900/0x900
[  381.869447]  ? check_preemption_disabled+0x48/0x280
[  381.874461]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.879386]  ? kasan_check_read+0x11/0x20
[  381.883530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.888804]  ? rcu_softirq_qs+0x20/0x20
[  381.892776]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.897876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.903407]  ? check_preemption_disabled+0x48/0x280
[  381.908424]  handle_mm_fault+0x54f/0xc70
[  381.912481]  ? __handle_mm_fault+0x5be0/0x5be0
[  381.917067]  ? find_vma+0x34/0x190
[  381.920612]  __do_page_fault+0x5e8/0xe60
[  381.924673]  ? exit_to_usermode_loop+0x1f4/0x380
[  381.929436]  do_page_fault+0xf2/0x7e0
[  381.933239]  ? vmalloc_sync_all+0x30/0x30
[  381.937379]  ? error_entry+0x70/0xd0
[  381.941092]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.946104]  ? trace_hardirqs_on_caller+0xc0/0x310
[  381.951029]  ? syscall_return_slowpath+0x5e0/0x5e0
[  381.955955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.960802]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.965811]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.971261]  ? prepare_exit_to_usermode+0x291/0x3b0
[  381.976270]  ? page_fault+0x8/0x30
[  381.979809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.984649]  ? page_fault+0x8/0x30
[  381.988189]  page_fault+0x1e/0x30
[  381.991639] RIP: 0033:0x45db60
[  381.994841] Code: Bad RIP value.
[  381.998195] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  382.003550] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  382.010810] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  382.018068] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  382.025334] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  382.032595] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  382.039878] warn_alloc_show_mem: 1 callbacks suppressed
[  382.039887] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  382.039889] Mem-Info:
[  382.039918] active_anon:52805 inactive_anon:249 isolated_anon:0
[  382.039918]  active_file:17 inactive_file:10 isolated_file:0
[  382.039918]  unevictable:0 dirty:0 writeback:0 unstable:0
[  382.039918]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  382.039918]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  382.039918]  free:13758 free_pcp:272 free_cma:0
[  382.045251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.045258] Call Trace:
[  382.052617] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  382.055012]  <IRQ>
[  382.087866] 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
[  382.097216]  dump_stack+0x244/0x39d
[  382.099767] lowmem_reserve[]: 0 2818 6321 6321
[  382.127342]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.129472] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  382.155580]  warn_alloc.cold.116+0xb7/0x1bd
[  382.159172] lowmem_reserve[]: 0 0 3503 3503
[  382.163744]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.168905] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  382.196220]  ? lock_downgrade+0x900/0x900
[  382.200509] lowmem_reserve[]: 0 0 0 0
[  382.204824]  ? trace_hardirqs_off+0xb8/0x310
[  382.209635] 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
[  382.238524]  ? trace_hardirqs_off+0xb8/0x310
[  382.242641] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  382.246436]  __alloc_pages_slowpath+0x26e8/0x2e10
[  382.250812] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  382.264351]  ? warn_alloc+0x120/0x120
[  382.268714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  382.283865]  ? print_usage_bug+0xc0/0xc0
[  382.288680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  382.304101]  ? warn_alloc+0x120/0x120
[  382.307872] 326 total pagecache pages
[  382.316695]  ? warn_alloc+0x120/0x120
[  382.320732] 0 pages in swap cache
[  382.329284]  ? print_usage_bug+0xc0/0xc0
[  382.333056] Swap cache stats: add 0, delete 0, find 0/0
[  382.336838]  ? kvm_clock_read+0x18/0x30
[  382.340610] Free swap  = 0kB
[  382.344047]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  382.348074] Total swap = 0kB
[  382.348081] 1965979 pages RAM
[  382.353432]  ? print_usage_bug+0xc0/0xc0
[  382.357372] 0 pages HighMem/MovableOnly
[  382.357379] 342854 pages reserved
[  382.360388]  ? __lock_acquire+0x62f/0x4c20
[  382.365375] 0 pages cma reserved
[  382.368384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.371508] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.375507]  ? should_fail+0x22d/0xd01
[  382.379522] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.382901]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.387106] syz-fuzzer cpuset=/ mems_allowed=0
[  382.390470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.431432]  ? __lock_acquire+0x62f/0x4c20
[  382.435670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.440765]  ? __lock_acquire+0x62f/0x4c20
[  382.444991]  ? should_fail+0x22d/0xd01
[  382.448870]  ? rcu_irq_exit+0x1a2/0x390
[  382.452940]  ? mark_held_locks+0x130/0x130
[  382.457174]  ? mark_held_locks+0x130/0x130
[  382.461407]  ? mark_held_locks+0xc7/0x130
[  382.465548]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  382.470559]  ? zap_class+0x640/0x640
[  382.474270]  ? print_usage_bug+0xc0/0xc0
[  382.478333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.483868]  ? check_preemption_disabled+0x48/0x280
[  382.488886]  ? __lock_is_held+0xb5/0x140
[  382.492953]  __alloc_pages_nodemask+0xa80/0xde0
[  382.497614]  ? zap_class+0x640/0x640
[  382.501326]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.506345]  ? find_held_lock+0x36/0x1c0
[  382.510413]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.515076]  ? lock_downgrade+0x900/0x900
[  382.519226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.524760]  cache_grow_begin+0xa5/0x8c0
[  382.528813]  ? do_raw_spin_unlock+0xa7/0x330
[  382.533225]  fallback_alloc+0x204/0x2e0
[  382.537202]  ____cache_alloc_node+0x1c7/0x1e0
[  382.541695]  kmem_cache_alloc_node+0xe3/0x730
[  382.546190]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.550428]  __alloc_skb+0x119/0x770
[  382.554227]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.559505]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.563910]  ? lock_downgrade+0x900/0x900
[  382.568068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.573603]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.579054]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.584499]  ? addrconf_rs_timer+0x690/0x690
[  382.588911]  ndisc_alloc_skb+0x144/0x340
[  382.592978]  ndisc_send_rs+0x331/0x6e0
[  382.596869]  addrconf_rs_timer+0x314/0x690
[  382.601106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.605343]  call_timer_fn+0x272/0x920
[  382.609224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.613462]  ? process_timeout+0x40/0x40
[  382.617526]  ? __run_timers+0x7da/0xc70
[  382.621495]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.625985]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.630476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.634704]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.639285]  ? trace_hardirqs_on+0xbd/0x310
[  382.643599]  ? kasan_check_read+0x11/0x20
[  382.647737]  ? __run_timers+0x7da/0xc70
[  382.651706]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.656810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.661043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.665267]  __run_timers+0x7e5/0xc70
[  382.669072]  ? timer_fixup_init+0x70/0x70
[  382.673707]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  382.678724]  ? zap_class+0x640/0x640
[  382.682435]  ? enqueue_hrtimer+0x1a5/0x560
[  382.686671]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  382.691860]  ? find_held_lock+0x36/0x1c0
[  382.695930]  ? zap_class+0x640/0x640
[  382.699646]  ? pvclock_read_flags+0x160/0x160
[  382.704138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.709670]  ? check_preemption_disabled+0x48/0x280
[  382.714699]  ? __lock_is_held+0xb5/0x140
[  382.718756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.724411]  ? check_preemption_disabled+0x48/0x280
[  382.729431]  run_timer_softirq+0x52/0xb0
[  382.733496]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.738508]  __do_softirq+0x308/0xb7e
[  382.742308]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  382.746795]  ? lock_downgrade+0x900/0x900
[  382.750946]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.756053]  ? pvclock_read_flags+0x160/0x160
[  382.760548]  ? lapic_next_event+0x5a/0x90
[  382.764714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.770252]  ? kvm_clock_read+0x18/0x30
[  382.774219]  ? kvm_sched_clock_read+0x9/0x20
[  382.778627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.784164]  ? check_preemption_disabled+0x48/0x280
[  382.789183]  irq_exit+0x17f/0x1c0
[  382.792636]  smp_apic_timer_interrupt+0x1cb/0x760
[  382.797476]  ? smp_call_function_single_interrupt+0x159/0x650
[  382.803360]  ? smp_call_function_single_interrupt+0x650/0x650
[  382.809236]  ? interrupt_entry+0xb5/0xc0
[  382.813291]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.818300]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.823309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.828160]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.833167]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.838179]  ? task_prio+0x50/0x50
[  382.841714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.847245]  ? check_preemption_disabled+0x48/0x280
[  382.852263]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.857110]  apic_timer_interrupt+0xf/0x20
[  382.861331]  </IRQ>
[  382.863568] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  382.869451] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  382.888347] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  382.896046] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  382.903306] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  382.910569] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  382.917829] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  382.925088] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  382.932375]  ? save_stack+0xa9/0xd0
[  382.936010]  __kmalloc_node_track_caller+0x3c/0x70
[  382.940942]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  382.945698]  pskb_expand_head+0x230/0x10f0
[  382.949937]  ? memcpy+0x45/0x50
[  382.953211]  ? __copy_skb_header+0x350/0x6b0
[  382.957613]  ? skb_release_data+0x880/0x880
[  382.961952]  ? __alloc_skb+0x770/0x770
[  382.965841]  ? __lock_is_held+0xb5/0x140
[  382.969908]  ? kasan_check_write+0x14/0x20
[  382.974138]  ? __skb_clone+0x6c7/0xa00
[  382.978025]  ? __copy_skb_header+0x6b0/0x6b0
[  382.982435]  ? kmem_cache_alloc+0x33a/0x730
[  382.986765]  skb_ensure_writable+0x3dd/0x640
[  382.991171]  ? skb_checksum_setup+0xaa0/0xaa0
[  382.995660]  ? check_preemption_disabled+0x48/0x280
[  383.000675]  ? __this_cpu_preempt_check+0x1c/0x20
[  383.005512]  ? __bpf_redirect+0x54b/0xb20
[  383.009660]  bpf_clone_redirect+0x14a/0x490
[  383.013985]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  383.018996]  ? __sched_text_start+0x8/0x8
[  383.023141]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.027718]  ? retint_kernel+0x2d/0x2d
[  383.031600]  ? trace_hardirqs_on_caller+0xc0/0x310
[  383.036526]  ? find_held_lock+0x36/0x1c0
[  383.040593]  ? lock_acquire+0x1ed/0x520
[  383.044564]  ? bpf_test_run+0x3cb/0x780
[  383.048534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.054065]  ? check_preemption_disabled+0x48/0x280
[  383.059081]  ? kasan_check_read+0x11/0x20
[  383.063222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.068493]  ? rcu_softirq_qs+0x20/0x20
[  383.072462]  ? preempt_schedule+0x4d/0x60
[  383.076605]  ? ___preempt_schedule+0x16/0x18
[  383.081015]  ? bpf_test_run+0x25d/0x780
[  383.084995]  ? netlink_diag_dump+0x2a0/0x2a0
[  383.089416]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  383.094178]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  383.099014]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  383.104545]  ? fput+0x130/0x1a0
[  383.107821]  ? __bpf_prog_get+0x9b/0x290
[  383.111955]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  383.116792]  ? bpf_prog_test_run+0x130/0x1a0
[  383.121197]  ? __x64_sys_bpf+0x3d8/0x520
[  383.125250]  ? bpf_prog_get+0x20/0x20
[  383.129058]  ? do_syscall_64+0x142/0x820
[  383.133118]  ? do_syscall_64+0x1b9/0x820
[  383.137174]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  383.142536]  ? syscall_return_slowpath+0x5e0/0x5e0
[  383.147460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.152297]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.157311]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  383.162326]  ? prepare_exit_to_usermode+0x291/0x3b0
[  383.167346]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.172278]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  383.177659] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  383.177721] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  383.184668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.184676] Call Trace:
[  383.191267] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.200477]  <IRQ>
[  383.200491]  dump_stack+0x244/0x39d
[  383.200510]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.203232] syz-executor1 cpuset=syz1 mems_allowed=0
[  383.213713]  warn_alloc.cold.116+0xb7/0x1bd
[  383.234087]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.238935]  ? lock_downgrade+0x900/0x900
[  383.243087]  ? trace_hardirqs_off+0xb8/0x310
[  383.247499]  ? trace_hardirqs_off+0xb8/0x310
[  383.251912]  __alloc_pages_slowpath+0x26e8/0x2e10
[  383.256778]  ? warn_alloc+0x120/0x120
[  383.260577]  ? print_usage_bug+0xc0/0xc0
[  383.264632]  ? warn_alloc+0x120/0x120
[  383.268432]  ? warn_alloc+0x120/0x120
[  383.272229]  ? print_usage_bug+0xc0/0xc0
[  383.276287]  ? kvm_clock_read+0x18/0x30
[  383.280256]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  383.285269]  ? print_usage_bug+0xc0/0xc0
[  383.289324]  ? __lock_acquire+0x62f/0x4c20
[  383.293559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.299095]  ? should_fail+0x22d/0xd01
[  383.302974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.308248]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.313345]  ? __lock_acquire+0x62f/0x4c20
[  383.317581]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.322679]  ? __lock_acquire+0x62f/0x4c20
[  383.326910]  ? should_fail+0x22d/0xd01
[  383.330794]  ? rcu_irq_exit+0x1a2/0x390
[  383.334769]  ? mark_held_locks+0x130/0x130
[  383.339003]  ? mark_held_locks+0x130/0x130
[  383.343237]  ? mark_held_locks+0xc7/0x130
[  383.347378]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  383.352389]  ? zap_class+0x640/0x640
[  383.356095]  ? print_usage_bug+0xc0/0xc0
[  383.360167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.365699]  ? check_preemption_disabled+0x48/0x280
[  383.370718]  ? __lock_is_held+0xb5/0x140
[  383.374779]  __alloc_pages_nodemask+0xa80/0xde0
[  383.379444]  ? zap_class+0x640/0x640
[  383.383159]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  383.388179]  ? find_held_lock+0x36/0x1c0
[  383.392246]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.396912]  ? lock_downgrade+0x900/0x900
[  383.401062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.406601]  cache_grow_begin+0xa5/0x8c0
[  383.410655]  ? do_raw_spin_unlock+0xa7/0x330
[  383.415066]  fallback_alloc+0x204/0x2e0
[  383.419039]  ____cache_alloc_node+0x1c7/0x1e0
[  383.423539]  kmem_cache_alloc_node+0xe3/0x730
[  383.428031]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.432271]  __alloc_skb+0x119/0x770
[  383.435995]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.441269]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.445673]  ? lock_downgrade+0x900/0x900
[  383.449827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.455379]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.460832]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.466285]  ? addrconf_rs_timer+0x690/0x690
[  383.470702]  ndisc_alloc_skb+0x144/0x340
[  383.474766]  ndisc_send_rs+0x331/0x6e0
[  383.478653]  addrconf_rs_timer+0x314/0x690
[  383.482890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.487128]  call_timer_fn+0x272/0x920
[  383.491010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.495240]  ? process_timeout+0x40/0x40
[  383.499305]  ? mark_held_locks+0xc7/0x130
[  383.503448]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.508448]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.512939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.517174]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.521751]  ? trace_hardirqs_on+0xbd/0x310
[  383.526070]  ? kasan_check_read+0x11/0x20
[  383.530225]  ? __run_timers+0x7da/0xc70
[  383.534200]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.539304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.543542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.547772]  __run_timers+0x7e5/0xc70
[  383.551575]  ? timer_fixup_init+0x70/0x70
[  383.555718]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.560728]  ? zap_class+0x640/0x640
[  383.564443]  ? print_usage_bug+0xc0/0xc0
[  383.568499]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  383.573691]  ? find_held_lock+0x36/0x1c0
[  383.577755]  ? zap_class+0x640/0x640
[  383.581483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.587027]  ? check_preemption_disabled+0x48/0x280
[  383.592050]  ? __lock_is_held+0xb5/0x140
[  383.596110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.601640]  ? check_preemption_disabled+0x48/0x280
[  383.606652]  run_timer_softirq+0x52/0xb0
[  383.610709]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.615719]  __do_softirq+0x308/0xb7e
[  383.619516]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  383.624007]  ? lock_downgrade+0x900/0x900
[  383.628153]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.633257]  ? pvclock_read_flags+0x160/0x160
[  383.637746]  ? lapic_next_event+0x5a/0x90
[  383.641892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.647433]  ? kvm_clock_read+0x18/0x30
[  383.651401]  ? kvm_sched_clock_read+0x9/0x20
[  383.655807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.661345]  ? check_preemption_disabled+0x48/0x280
[  383.666366]  irq_exit+0x17f/0x1c0
[  383.669813]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.674660]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.680537]  ? interrupt_entry+0xb5/0xc0
[  383.684593]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.689600]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.694610]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.699448]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.704456]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.709468]  ? task_prio+0x50/0x50
[  383.713003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.718537]  ? check_preemption_disabled+0x48/0x280
[  383.723555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.728397]  apic_timer_interrupt+0xf/0x20
[  383.732619]  </IRQ>
[  383.734870] RIP: 0010:dump_stack+0x358/0x39d
[  383.739276] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  383.758166] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  383.765869] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  383.773128] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  383.780393] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  383.787653] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  383.794914] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  383.802198]  ? dump_stack+0x34f/0x39d
[  383.806007]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.811194]  ? mark_held_locks+0x130/0x130
[  383.815420]  ? mark_held_locks+0x130/0x130
[  383.819660]  dump_header+0x27b/0xf72
[  383.823379]  ? pagefault_out_of_memory+0x197/0x197
[  383.828310]  ? __lock_acquire+0x62f/0x4c20
[  383.832540]  ? percpu_ref_get_many+0x240/0x240
[  383.837118]  ? print_usage_bug+0xc0/0xc0
[  383.841186]  ? zap_class+0x640/0x640
[  383.844895]  ? print_usage_bug+0xc0/0xc0
[  383.848951]  ? print_usage_bug+0xc0/0xc0
[  383.853006]  ? zap_class+0x640/0x640
[  383.856716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.862252]  ? find_held_lock+0x36/0x1c0
[  383.866315]  ? mark_held_locks+0xc7/0x130
[  383.870457]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.875551]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.880651]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.885226]  ? trace_hardirqs_on+0xbd/0x310
[  383.889539]  ? kasan_check_read+0x11/0x20
[  383.893688]  ? ___ratelimit+0x3b4/0x672
[  383.897655]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.902753]  ? trace_hardirqs_on+0x310/0x310
[  383.907157]  ? lock_downgrade+0x900/0x900
[  383.911302]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.916401]  ? ___ratelimit+0x3b9/0x672
[  383.920371]  ? idr_get_free+0xf70/0xf70
[  383.924339]  ? find_held_lock+0x36/0x1c0
[  383.928401]  oom_kill_process.cold.27+0x10/0x903
[  383.933153]  ? zap_class+0x640/0x640
[  383.936867]  ? check_preemption_disabled+0x48/0x280
[  383.941890]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.946820]  ? kasan_check_read+0x11/0x20
[  383.950965]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.956235]  ? oom_evaluate_task+0x540/0x540
[  383.960640]  ? find_held_lock+0x36/0x1c0
[  383.964700]  ? out_of_memory+0x974/0x1430
[  383.968846]  ? lock_downgrade+0x900/0x900
[  383.972987]  ? check_preemption_disabled+0x48/0x280
[  383.978004]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.982931]  ? kasan_check_read+0x11/0x20
[  383.987071]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.992341]  ? rcu_softirq_qs+0x20/0x20
[  383.996312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.001844]  ? oom_evaluate_task+0x302/0x540
[  384.006250]  out_of_memory+0xa84/0x1430
[  384.010227]  ? oom_killer_disable+0x3a0/0x3a0
[  384.014719]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  384.019647]  ? __ww_mutex_check_waiters+0x160/0x160
[  384.024668]  __alloc_pages_slowpath+0x2354/0x2e10
[  384.029531]  ? warn_alloc+0x120/0x120
[  384.033328]  ? mark_held_locks+0x130/0x130
[  384.037566]  ? find_get_entry+0xaae/0x1120
[  384.041813]  ? filemap_map_pages+0x1a20/0x1a20
[  384.046400]  ? zap_class+0x640/0x640
[  384.050116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.055650]  ? check_preemption_disabled+0x48/0x280
[  384.060662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.066196]  ? should_fail+0x22d/0xd01
[  384.070088]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.075185]  ? zap_class+0x640/0x640
[  384.078921]  ? __lock_is_held+0xb5/0x140
[  384.082983]  ? mark_held_locks+0x130/0x130
[  384.087213]  ? lock_release+0xa00/0xa00
[  384.091185]  ? perf_trace_sched_process_exec+0x860/0x860
[  384.096628]  ? xa_load+0x2ba/0x460
[  384.100167]  ? lock_downgrade+0x900/0x900
[  384.104316]  ? __might_sleep+0x95/0x190
[  384.108289]  __alloc_pages_nodemask+0xa80/0xde0
[  384.112961]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.118060]  ? __page_cache_alloc+0x191/0x5c0
[  384.122547]  ? xa_load+0x2e1/0x460
[  384.126082]  ? xa_clear_mark+0x40/0x40
[  384.129963]  ? zap_class+0x640/0x640
[  384.133677]  ? zap_class+0x640/0x640
[  384.137383]  ? zap_class+0x640/0x640
[  384.141091]  ? __do_page_cache_readahead+0x663/0x810
[  384.146190]  ? find_held_lock+0x36/0x1c0
[  384.150250]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  384.155798]  alloc_pages_current+0x173/0x350
[  384.160208]  __page_cache_alloc+0x38c/0x5c0
[  384.164526]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.169452]  ? kasan_check_read+0x11/0x20
[  384.173595]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.178869]  ? generic_perform_write+0x6a0/0x6a0
[  384.183619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.189152]  ? check_preemption_disabled+0x48/0x280
[  384.194178]  filemap_fault+0x1595/0x25f0
[  384.198245]  ? __lock_page_or_retry+0xa00/0xa00
[  384.202911]  ? mark_held_locks+0x130/0x130
[  384.207156]  ? filemap_map_pages+0xd6b/0x1a20
[  384.211645]  ? lock_downgrade+0x900/0x900
[  384.215792]  ? check_preemption_disabled+0x48/0x280
[  384.220822]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.225742]  ? kasan_check_read+0x11/0x20
[  384.229885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.235154]  ? rcu_softirq_qs+0x20/0x20
[  384.239139]  ? filemap_map_pages+0xd92/0x1a20
[  384.243631]  ? print_usage_bug+0xc0/0xc0
[  384.247693]  ? find_get_entries_tag+0x1400/0x1400
[  384.252527]  ? __kasan_slab_free+0x102/0x150
[  384.256926]  ? kasan_slab_free+0xe/0x10
[  384.260895]  ? kmem_cache_free+0x83/0x290
[  384.265034]  ? __sigqueue_free.part.29+0x74/0x90
[  384.269805]  ? lock_acquire+0x1ed/0x520
[  384.273775]  ? ext4_filemap_fault+0x7a/0xad
[  384.278109]  ? lock_release+0xa00/0xa00
[  384.282076]  ? perf_trace_sched_process_exec+0x860/0x860
[  384.287520]  ? print_usage_bug+0xc0/0xc0
[  384.291578]  ? print_usage_bug+0xc0/0xc0
[  384.295645]  ? down_read+0x8d/0x120
[  384.299263]  ? ext4_filemap_fault+0x7a/0xad
[  384.303582]  ? __down_interruptible+0x700/0x700
[  384.308258]  ext4_filemap_fault+0x82/0xad
[  384.312403]  __do_fault+0x100/0x6b0
[  384.316032]  ? pmd_devmap_trans_unstable+0x220/0x220
[  384.321133]  ? mark_held_locks+0x130/0x130
[  384.325363]  ? mark_held_locks+0x130/0x130
[  384.329595]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  384.335129]  ? rcu_pm_notify+0xc0/0xc0
[  384.339018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.344554]  __handle_mm_fault+0x3ea0/0x5be0
[  384.348965]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  384.353800]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.358297]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.362873]  ? trace_hardirqs_on+0xbd/0x310
[  384.367187]  ? kasan_check_read+0x11/0x20
[  384.371328]  ? __set_current_blocked+0xdf/0x120
[  384.376032]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.381140]  ? zap_class+0x640/0x640
[  384.384846]  ? zap_class+0x640/0x640
[  384.388573]  ? find_held_lock+0x36/0x1c0
[  384.392641]  ? handle_mm_fault+0x42a/0xc70
[  384.396869]  ? lock_downgrade+0x900/0x900
[  384.401010]  ? check_preemption_disabled+0x48/0x280
[  384.406022]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.410996]  ? kasan_check_read+0x11/0x20
[  384.415139]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.420408]  ? rcu_softirq_qs+0x20/0x20
[  384.424374]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.429475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.435443]  ? check_preemption_disabled+0x48/0x280
[  384.440464]  handle_mm_fault+0x54f/0xc70
[  384.444523]  ? __handle_mm_fault+0x5be0/0x5be0
[  384.449106]  ? find_vma+0x34/0x190
[  384.452645]  __do_page_fault+0x5e8/0xe60
[  384.456699]  ? exit_to_usermode_loop+0x1f4/0x380
[  384.461456]  do_page_fault+0xf2/0x7e0
[  384.465250]  ? vmalloc_sync_all+0x30/0x30
[  384.469390]  ? error_entry+0x70/0xd0
[  384.473099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.478115]  ? trace_hardirqs_on_caller+0xc0/0x310
[  384.483036]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.487958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.492805]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.497821]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.503270]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.508279]  ? page_fault+0x8/0x30
[  384.511818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.516658]  ? page_fault+0x8/0x30
[  384.520192]  page_fault+0x1e/0x30
[  384.523639] RIP: 0033:0x45db60
[  384.526837] Code: Bad RIP value.
[  384.530196] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  384.535547] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  384.542814] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  384.550074] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  384.557339] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  384.564600] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  384.571889] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  384.571893] warn_alloc_show_mem: 1 callbacks suppressed
[  384.571900] Mem-Info:
[  384.579250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.579257] Call Trace:
[  384.584624] active_anon:52805 inactive_anon:249 isolated_anon:0
[  384.584624]  active_file:17 inactive_file:10 isolated_file:0
[  384.584624]  unevictable:0 dirty:0 writeback:0 unstable:0
[  384.584624]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  384.584624]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  384.584624]  free:13758 free_pcp:272 free_cma:0
[  384.586992]  <IRQ>
[  384.596348] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  384.598922]  dump_stack+0x244/0x39d
[  384.631778] 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
[  384.633925]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.661489] lowmem_reserve[]: 0 2818 6321 6321
[  384.665112]  warn_alloc.cold.116+0xb7/0x1bd
[  384.691511] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  384.696705]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.701248] lowmem_reserve[]: 0 0 3503 3503
[  384.705560]  ? lock_downgrade+0x900/0x900
[  384.732850] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  384.737691]  ? trace_hardirqs_off+0xb8/0x310
[  384.741971] lowmem_reserve[]: 0 0 0 0
[  384.746118]  ? trace_hardirqs_off+0xb8/0x310
[  384.774970] 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
[  384.779376]  __alloc_pages_slowpath+0x26e8/0x2e10
[  384.783135] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  384.787563]  ? warn_alloc+0x120/0x120
[  384.801029] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  384.805870]  ? print_usage_bug+0xc0/0xc0
[  384.821015] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  384.824800]  ? warn_alloc+0x120/0x120
[  384.840205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  384.844249]  ? warn_alloc+0x120/0x120
[  384.853051] 326 total pagecache pages
[  384.856838]  ? print_usage_bug+0xc0/0xc0
[  384.865391] 0 pages in swap cache
[  384.869171]  ? kvm_clock_read+0x18/0x30
[  384.872942] Swap cache stats: add 0, delete 0, find 0/0
[  384.876986]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  384.880406] Free swap  = 0kB
[  384.884374]  ? print_usage_bug+0xc0/0xc0
[  384.889701] Total swap = 0kB
[  384.889708] 1965979 pages RAM
[  384.894717]  ? __lock_acquire+0x62f/0x4c20
[  384.897711] 0 pages HighMem/MovableOnly
[  384.901764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.904751] 342854 pages reserved
[  384.904758] 0 pages cma reserved
[  384.907852]  ? should_fail+0x22d/0xd01
[  384.912220] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.916113]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.921694] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.925064]  ? __lock_acquire+0x62f/0x4c20
[  384.928401] syz-fuzzer cpuset=/ mems_allowed=0
[  384.932279]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.967895]  ? __lock_acquire+0x62f/0x4c20
[  384.972123]  ? should_fail+0x22d/0xd01
[  384.976016]  ? mark_held_locks+0x130/0x130
[  384.980249]  ? mark_held_locks+0x130/0x130
[  384.984491]  ? __lock_acquire+0x62f/0x4c20
[  384.988728]  ? zap_class+0x640/0x640
[  384.992434]  ? mark_held_locks+0x130/0x130
[  384.996663]  ? print_usage_bug+0xc0/0xc0
[  385.000731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.006274]  ? check_preemption_disabled+0x48/0x280
[  385.011295]  ? __lock_is_held+0xb5/0x140
[  385.015356]  __alloc_pages_nodemask+0xa80/0xde0
[  385.020017]  ? zap_class+0x640/0x640
[  385.023741]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.028764]  ? find_held_lock+0x36/0x1c0
[  385.032832]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.037498]  ? lock_downgrade+0x900/0x900
[  385.041647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.047188]  cache_grow_begin+0xa5/0x8c0
[  385.051245]  ? do_raw_spin_unlock+0xa7/0x330
[  385.055658]  fallback_alloc+0x204/0x2e0
[  385.059633]  ____cache_alloc_node+0x1c7/0x1e0
[  385.064128]  kmem_cache_alloc_node+0xe3/0x730
[  385.068618]  ? do_raw_spin_unlock+0xa7/0x330
[  385.073021]  ? do_raw_spin_trylock+0x270/0x270
[  385.077606]  __alloc_skb+0x119/0x770
[  385.081323]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.085731]  ? atomic_notifier_call_chain+0xc6/0x190
[  385.090834]  ? lock_downgrade+0x900/0x900
[  385.094981]  ? check_preemption_disabled+0x48/0x280
[  385.099997]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  385.104918]  ? kasan_check_read+0x11/0x20
[  385.109064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.114335]  ? rcu_softirq_qs+0x20/0x20
[  385.118303]  ? kasan_check_read+0x11/0x20
[  385.122449]  ? do_raw_write_trylock+0x270/0x270
[  385.127121]  __neigh_notify+0x8c/0x160
[  385.131008]  ? neigh_connected_output+0x780/0x780
[  385.135848]  neigh_timer_handler+0x6cb/0xdf0
[  385.140258]  ? check_preemption_disabled+0x48/0x280
[  385.145278]  ? neigh_periodic_work+0xc60/0xc60
[  385.149861]  ? __lock_is_held+0xb5/0x140
[  385.153932]  call_timer_fn+0x272/0x920
[  385.157816]  ? neigh_periodic_work+0xc60/0xc60
[  385.162393]  ? process_timeout+0x40/0x40
[  385.166458]  ? __run_timers+0x7da/0xc70
[  385.170427]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.174919]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.179407]  ? neigh_periodic_work+0xc60/0xc60
[  385.183987]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.188569]  ? trace_hardirqs_on+0xbd/0x310
[  385.192885]  ? kasan_check_read+0x11/0x20
[  385.197026]  ? __run_timers+0x7da/0xc70
[  385.200996]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.206108]  ? neigh_periodic_work+0xc60/0xc60
[  385.210682]  __run_timers+0x7e5/0xc70
[  385.214507]  ? timer_fixup_init+0x70/0x70
[  385.218650]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.223663]  ? zap_class+0x640/0x640
[  385.227374]  ? enqueue_hrtimer+0x1a5/0x560
[  385.231609]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.236800]  ? find_held_lock+0x36/0x1c0
[  385.240859]  ? zap_class+0x640/0x640
[  385.244568]  ? pvclock_read_flags+0x160/0x160
[  385.249061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.254593]  ? check_preemption_disabled+0x48/0x280
[  385.259612]  ? __lock_is_held+0xb5/0x140
[  385.263669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.269213]  ? check_preemption_disabled+0x48/0x280
[  385.274242]  run_timer_softirq+0x52/0xb0
[  385.278299]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.283313]  __do_softirq+0x308/0xb7e
[  385.287115]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  385.291602]  ? lock_downgrade+0x900/0x900
[  385.295748]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.300851]  ? pvclock_read_flags+0x160/0x160
[  385.305346]  ? lapic_next_event+0x5a/0x90
[  385.309493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.315029]  ? kvm_clock_read+0x18/0x30
[  385.318999]  ? kvm_sched_clock_read+0x9/0x20
[  385.323406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.328947]  ? check_preemption_disabled+0x48/0x280
[  385.333968]  irq_exit+0x17f/0x1c0
[  385.337418]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.342263]  ? smp_call_function_single_interrupt+0x159/0x650
[  385.348146]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.354026]  ? interrupt_entry+0xb5/0xc0
[  385.358082]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.363091]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.368104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.372944]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.377973]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.382989]  ? task_prio+0x50/0x50
[  385.386529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.392066]  ? check_preemption_disabled+0x48/0x280
[  385.397087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.401930]  apic_timer_interrupt+0xf/0x20
[  385.406152]  </IRQ>
[  385.408389] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  385.414270] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  385.433163] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  385.440866] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  385.448128] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  385.455389] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  385.462651] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  385.469922] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  385.477221]  ? save_stack+0xa9/0xd0
[  385.480854]  __kmalloc_node_track_caller+0x3c/0x70
[  385.485782]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  385.490536]  pskb_expand_head+0x230/0x10f0
[  385.494771]  ? memcpy+0x45/0x50
[  385.498048]  ? __copy_skb_header+0x350/0x6b0
[  385.502453]  ? skb_release_data+0x880/0x880
[  385.507299]  ? __alloc_skb+0x770/0x770
[  385.511197]  ? __lock_is_held+0xb5/0x140
[  385.515267]  ? kasan_check_write+0x14/0x20
[  385.519497]  ? __skb_clone+0x6c7/0xa00
[  385.523383]  ? __copy_skb_header+0x6b0/0x6b0
[  385.527787]  ? kmem_cache_alloc+0x33a/0x730
[  385.532112]  skb_ensure_writable+0x3dd/0x640
[  385.536519]  ? skb_checksum_setup+0xaa0/0xaa0
[  385.541015]  ? check_preemption_disabled+0x48/0x280
[  385.546030]  ? __this_cpu_preempt_check+0x1c/0x20
[  385.550865]  ? __bpf_redirect+0x54b/0xb20
[  385.555023]  bpf_clone_redirect+0x14a/0x490
[  385.559351]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  385.564364]  ? __sched_text_start+0x8/0x8
[  385.568510]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.573083]  ? retint_kernel+0x2d/0x2d
[  385.576969]  ? trace_hardirqs_on_caller+0xc0/0x310
[  385.581897]  ? find_held_lock+0x36/0x1c0
[  385.585963]  ? lock_acquire+0x1ed/0x520
[  385.589934]  ? bpf_test_run+0x3cb/0x780
[  385.593902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.599455]  ? check_preemption_disabled+0x48/0x280
[  385.604474]  ? kasan_check_read+0x11/0x20
[  385.608618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.613891]  ? rcu_softirq_qs+0x20/0x20
[  385.617864]  ? preempt_schedule+0x4d/0x60
[  385.622006]  ? ___preempt_schedule+0x16/0x18
[  385.626414]  ? bpf_test_run+0x25d/0x780
[  385.630507]  ? netlink_diag_dump+0x2a0/0x2a0
[  385.634923]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  385.639690]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.644529]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  385.650063]  ? fput+0x130/0x1a0
[  385.653339]  ? __bpf_prog_get+0x9b/0x290
[  385.657398]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.662236]  ? bpf_prog_test_run+0x130/0x1a0
[  385.666643]  ? __x64_sys_bpf+0x3d8/0x520
[  385.670713]  ? bpf_prog_get+0x20/0x20
[  385.675005]  ? do_syscall_64+0x142/0x820
[  385.679075]  ? do_syscall_64+0x1b9/0x820
[  385.683134]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  385.688496]  ? syscall_return_slowpath+0x5e0/0x5e0
[  385.693421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.698265]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.703295]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  385.708309]  ? prepare_exit_to_usermode+0x291/0x3b0
[  385.713333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.718180]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  385.723560] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  385.723679] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.730579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.730587] Call Trace:
[  385.741054] syz-executor1 cpuset=syz1 mems_allowed=0
[  385.750394]  <IRQ>
[  385.760193]  dump_stack+0x244/0x39d
[  385.763828]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.769202]  warn_alloc.cold.116+0xb7/0x1bd
[  385.773520]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.778366]  ? lock_downgrade+0x900/0x900
[  385.782524]  ? trace_hardirqs_off+0xb8/0x310
[  385.786934]  ? trace_hardirqs_off+0xb8/0x310
[  385.791348]  __alloc_pages_slowpath+0x26e8/0x2e10
[  385.796229]  ? warn_alloc+0x120/0x120
[  385.800031]  ? print_usage_bug+0xc0/0xc0
[  385.804092]  ? warn_alloc+0x120/0x120
[  385.807901]  ? warn_alloc+0x120/0x120
[  385.811716]  ? print_usage_bug+0xc0/0xc0
[  385.815784]  ? kvm_clock_read+0x18/0x30
[  385.819763]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  385.824785]  ? print_usage_bug+0xc0/0xc0
[  385.828846]  ? __lock_acquire+0x62f/0x4c20
[  385.833087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.838626]  ? should_fail+0x22d/0xd01
[  385.842519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.847806]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.852912]  ? __lock_acquire+0x62f/0x4c20
[  385.857150]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.862253]  ? __lock_acquire+0x62f/0x4c20
[  385.866482]  ? should_fail+0x22d/0xd01
[  385.870369]  ? rcu_irq_exit+0x1a2/0x390
[  385.874353]  ? mark_held_locks+0x130/0x130
[  385.878679]  ? mark_held_locks+0x130/0x130
[  385.882923]  ? mark_held_locks+0xc7/0x130
[  385.887070]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  385.892080]  ? zap_class+0x640/0x640
[  385.895795]  ? print_usage_bug+0xc0/0xc0
[  385.899874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.905407]  ? check_preemption_disabled+0x48/0x280
[  385.910429]  ? __lock_is_held+0xb5/0x140
[  385.914499]  __alloc_pages_nodemask+0xa80/0xde0
[  385.919166]  ? zap_class+0x640/0x640
[  385.922882]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.927906]  ? find_held_lock+0x36/0x1c0
[  385.931974]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.936637]  ? lock_downgrade+0x900/0x900
[  385.940805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.946342]  cache_grow_begin+0xa5/0x8c0
[  385.950400]  ? do_raw_spin_unlock+0xa7/0x330
[  385.954814]  fallback_alloc+0x204/0x2e0
[  385.958789]  ____cache_alloc_node+0x1c7/0x1e0
[  385.963286]  kmem_cache_alloc_node+0xe3/0x730
[  385.967777]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.972032]  __alloc_skb+0x119/0x770
[  385.975744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.981029]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.985435]  ? lock_downgrade+0x900/0x900
[  385.989589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.995133]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.000582]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.006034]  ? addrconf_rs_timer+0x690/0x690
[  386.010449]  ndisc_alloc_skb+0x144/0x340
[  386.014511]  ndisc_send_rs+0x331/0x6e0
[  386.018398]  addrconf_rs_timer+0x314/0x690
[  386.022632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.026883]  call_timer_fn+0x272/0x920
[  386.030769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.034999]  ? process_timeout+0x40/0x40
[  386.039067]  ? mark_held_locks+0xc7/0x130
[  386.043220]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.047712]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.052205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.056436]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.061017]  ? trace_hardirqs_on+0xbd/0x310
[  386.065335]  ? kasan_check_read+0x11/0x20
[  386.069478]  ? __run_timers+0x7da/0xc70
[  386.073453]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.078555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.082790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.087019]  __run_timers+0x7e5/0xc70
[  386.090828]  ? timer_fixup_init+0x70/0x70
[  386.094972]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  386.099986]  ? zap_class+0x640/0x640
[  386.103700]  ? print_usage_bug+0xc0/0xc0
[  386.107758]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  386.112960]  ? find_held_lock+0x36/0x1c0
[  386.117034]  ? zap_class+0x640/0x640
[  386.120749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.126288]  ? check_preemption_disabled+0x48/0x280
[  386.131307]  ? __lock_is_held+0xb5/0x140
[  386.135368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.140900]  ? check_preemption_disabled+0x48/0x280
[  386.145916]  run_timer_softirq+0x52/0xb0
[  386.149972]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.154983]  __do_softirq+0x308/0xb7e
[  386.158781]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  386.163271]  ? lock_downgrade+0x900/0x900
[  386.167416]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.172526]  ? pvclock_read_flags+0x160/0x160
[  386.177019]  ? lapic_next_event+0x5a/0x90
[  386.181162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.186714]  ? kvm_clock_read+0x18/0x30
[  386.190771]  ? kvm_sched_clock_read+0x9/0x20
[  386.195182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.200718]  ? check_preemption_disabled+0x48/0x280
[  386.205737]  irq_exit+0x17f/0x1c0
[  386.209189]  smp_apic_timer_interrupt+0x1cb/0x760
[  386.214032]  ? smp_call_function_single_interrupt+0x650/0x650
[  386.219910]  ? interrupt_entry+0xb5/0xc0
[  386.223974]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.228981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.233993]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.238839]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.243851]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.248859]  ? task_prio+0x50/0x50
[  386.252418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.258041]  ? check_preemption_disabled+0x48/0x280
[  386.263076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.267921]  apic_timer_interrupt+0xf/0x20
[  386.272146]  </IRQ>
[  386.274382] RIP: 0010:dump_stack+0x358/0x39d
[  386.278785] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  386.297776] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  386.305478] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  386.312740] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  386.320006] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  386.327277] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  386.334541] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  386.341823]  ? dump_stack+0x34f/0x39d
[  386.345642]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.350834]  ? mark_held_locks+0x130/0x130
[  386.355066]  ? mark_held_locks+0x130/0x130
[  386.359315]  dump_header+0x27b/0xf72
[  386.363033]  ? pagefault_out_of_memory+0x197/0x197
[  386.367973]  ? __lock_acquire+0x62f/0x4c20
[  386.372213]  ? percpu_ref_get_many+0x240/0x240
[  386.376793]  ? print_usage_bug+0xc0/0xc0
[  386.380864]  ? zap_class+0x640/0x640
[  386.384576]  ? print_usage_bug+0xc0/0xc0
[  386.388640]  ? print_usage_bug+0xc0/0xc0
[  386.392701]  ? zap_class+0x640/0x640
[  386.396411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.401946]  ? find_held_lock+0x36/0x1c0
[  386.406014]  ? mark_held_locks+0xc7/0x130
[  386.410163]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.415273]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.420373]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.424953]  ? trace_hardirqs_on+0xbd/0x310
[  386.429282]  ? kasan_check_read+0x11/0x20
[  386.433427]  ? ___ratelimit+0x3b4/0x672
[  386.437396]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.442505]  ? trace_hardirqs_on+0x310/0x310
[  386.446912]  ? lock_downgrade+0x900/0x900
[  386.451058]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.456156]  ? ___ratelimit+0x3b9/0x672
[  386.460127]  ? idr_get_free+0xf70/0xf70
[  386.464094]  ? find_held_lock+0x36/0x1c0
[  386.468160]  oom_kill_process.cold.27+0x10/0x903
[  386.472916]  ? zap_class+0x640/0x640
[  386.476632]  ? check_preemption_disabled+0x48/0x280
[  386.481654]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.486577]  ? kasan_check_read+0x11/0x20
[  386.490722]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.495999]  ? oom_evaluate_task+0x540/0x540
[  386.500405]  ? find_held_lock+0x36/0x1c0
[  386.504472]  ? out_of_memory+0x974/0x1430
[  386.508649]  ? lock_downgrade+0x900/0x900
[  386.512794]  ? check_preemption_disabled+0x48/0x280
[  386.517807]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.522738]  ? kasan_check_read+0x11/0x20
[  386.526976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.532247]  ? rcu_softirq_qs+0x20/0x20
[  386.536220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.541748]  ? oom_evaluate_task+0x302/0x540
[  386.546157]  out_of_memory+0xa84/0x1430
[  386.550135]  ? oom_killer_disable+0x3a0/0x3a0
[  386.554627]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  386.559558]  ? __ww_mutex_check_waiters+0x160/0x160
[  386.564584]  __alloc_pages_slowpath+0x2354/0x2e10
[  386.569457]  ? warn_alloc+0x120/0x120
[  386.573252]  ? mark_held_locks+0x130/0x130
[  386.577488]  ? find_get_entry+0xaae/0x1120
[  386.581732]  ? filemap_map_pages+0x1a20/0x1a20
[  386.586314]  ? zap_class+0x640/0x640
[  386.590025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.595558]  ? check_preemption_disabled+0x48/0x280
[  386.600572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.606113]  ? should_fail+0x22d/0xd01
[  386.610015]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.615116]  ? zap_class+0x640/0x640
[  386.618852]  ? __lock_is_held+0xb5/0x140
[  386.622915]  ? mark_held_locks+0x130/0x130
[  386.627147]  ? lock_release+0xa00/0xa00
[  386.631116]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.636564]  ? xa_load+0x2ba/0x460
[  386.640106]  ? lock_downgrade+0x900/0x900
[  386.644255]  ? __might_sleep+0x95/0x190
[  386.648231]  __alloc_pages_nodemask+0xa80/0xde0
[  386.652905]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.657917]  ? __page_cache_alloc+0x191/0x5c0
[  386.662409]  ? xa_load+0x2e1/0x460
[  386.665946]  ? xa_clear_mark+0x40/0x40
[  386.669851]  ? zap_class+0x640/0x640
[  386.674116]  ? zap_class+0x640/0x640
[  386.677827]  ? zap_class+0x640/0x640
[  386.681541]  ? __do_page_cache_readahead+0x663/0x810
[  386.686649]  ? find_held_lock+0x36/0x1c0
[  386.690711]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  386.696249]  alloc_pages_current+0x173/0x350
[  386.700689]  __page_cache_alloc+0x38c/0x5c0
[  386.705003]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.709925]  ? kasan_check_read+0x11/0x20
[  386.714066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.719342]  ? generic_perform_write+0x6a0/0x6a0
[  386.724095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.729633]  ? check_preemption_disabled+0x48/0x280
[  386.734654]  filemap_fault+0x1595/0x25f0
[  386.738721]  ? __lock_page_or_retry+0xa00/0xa00
[  386.743388]  ? mark_held_locks+0x130/0x130
[  386.747633]  ? filemap_map_pages+0xd6b/0x1a20
[  386.752125]  ? lock_downgrade+0x900/0x900
[  386.756270]  ? check_preemption_disabled+0x48/0x280
[  386.761284]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.766208]  ? kasan_check_read+0x11/0x20
[  386.770349]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.775623]  ? rcu_softirq_qs+0x20/0x20
[  386.779618]  ? filemap_map_pages+0xd92/0x1a20
[  386.784112]  ? print_usage_bug+0xc0/0xc0
[  386.788176]  ? find_get_entries_tag+0x1400/0x1400
[  386.793019]  ? __kasan_slab_free+0x102/0x150
[  386.797427]  ? kasan_slab_free+0xe/0x10
[  386.801395]  ? kmem_cache_free+0x83/0x290
[  386.805538]  ? __sigqueue_free.part.29+0x74/0x90
[  386.810312]  ? lock_acquire+0x1ed/0x520
[  386.814286]  ? ext4_filemap_fault+0x7a/0xad
[  386.818622]  ? lock_release+0xa00/0xa00
[  386.822600]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.828052]  ? print_usage_bug+0xc0/0xc0
[  386.832116]  ? print_usage_bug+0xc0/0xc0
[  386.836184]  ? down_read+0x8d/0x120
[  386.839811]  ? ext4_filemap_fault+0x7a/0xad
[  386.844133]  ? __down_interruptible+0x700/0x700
[  386.848811]  ext4_filemap_fault+0x82/0xad
[  386.852960]  __do_fault+0x100/0x6b0
[  386.856599]  ? pmd_devmap_trans_unstable+0x220/0x220
[  386.861707]  ? mark_held_locks+0x130/0x130
[  386.865941]  ? mark_held_locks+0x130/0x130
[  386.870177]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  386.875712]  ? rcu_pm_notify+0xc0/0xc0
[  386.879618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.885159]  __handle_mm_fault+0x3ea0/0x5be0
[  386.889581]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  386.894431]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.898927]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.903508]  ? trace_hardirqs_on+0xbd/0x310
[  386.907831]  ? kasan_check_read+0x11/0x20
[  386.911975]  ? __set_current_blocked+0xdf/0x120
[  386.916644]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.921759]  ? zap_class+0x640/0x640
[  386.925472]  ? zap_class+0x640/0x640
[  386.929193]  ? find_held_lock+0x36/0x1c0
[  386.933260]  ? handle_mm_fault+0x42a/0xc70
[  386.937493]  ? lock_downgrade+0x900/0x900
[  386.941643]  ? check_preemption_disabled+0x48/0x280
[  386.946663]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.951594]  ? kasan_check_read+0x11/0x20
[  386.955746]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.961018]  ? rcu_softirq_qs+0x20/0x20
[  386.964990]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.970091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.975634]  ? check_preemption_disabled+0x48/0x280
[  386.980660]  handle_mm_fault+0x54f/0xc70
[  386.984728]  ? __handle_mm_fault+0x5be0/0x5be0
[  386.989314]  ? find_vma+0x34/0x190
[  386.992856]  __do_page_fault+0x5e8/0xe60
[  386.996920]  ? exit_to_usermode_loop+0x1f4/0x380
[  387.001681]  do_page_fault+0xf2/0x7e0
[  387.005483]  ? vmalloc_sync_all+0x30/0x30
[  387.009629]  ? error_entry+0x70/0xd0
[  387.013343]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.018360]  ? trace_hardirqs_on_caller+0xc0/0x310
[  387.023285]  ? syscall_return_slowpath+0x5e0/0x5e0
[  387.028210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.033058]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.038074]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  387.043529]  ? prepare_exit_to_usermode+0x291/0x3b0
[  387.048561]  ? page_fault+0x8/0x30
[  387.052115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.056958]  ? page_fault+0x8/0x30
[  387.060498]  page_fault+0x1e/0x30
[  387.063947] RIP: 0033:0x45db60
[  387.067153] Code: Bad RIP value.
[  387.070511] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  387.075874] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  387.083140] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  387.090403] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  387.097670] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  387.104932] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  387.112225] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  387.112230] warn_alloc_show_mem: 1 callbacks suppressed
[  387.112236] Mem-Info:
[  387.119594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.124957] active_anon:52805 inactive_anon:249 isolated_anon:0
[  387.124957]  active_file:17 inactive_file:10 isolated_file:0
[  387.124957]  unevictable:0 dirty:0 writeback:0 unstable:0
[  387.124957]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  387.124957]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  387.124957]  free:13758 free_pcp:272 free_cma:0
[  387.127327] Call Trace:
[  387.136700] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  387.169539]  <IRQ>
[  387.172108] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  387.199691]  dump_stack+0x244/0x39d
[  387.201810] lowmem_reserve[]: 0 2818 6321 6321
[  387.227911]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.231507] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  387.236096]  warn_alloc.cold.116+0xb7/0x1bd
[  387.241243] lowmem_reserve[]: 0 0 3503 3503
[  387.268579]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.272871] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  387.277186]  ? lock_downgrade+0x900/0x900
[  387.281993] lowmem_reserve[]: 0 0 0 0
[  387.310883]  ? trace_hardirqs_off+0xb8/0x310
[  387.314999] 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
[  387.318794]  ? trace_hardirqs_off+0xb8/0x310
[  387.323168] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  387.336717]  __alloc_pages_slowpath+0x26e8/0x2e10
[  387.341094] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  387.356283]  ? warn_alloc+0x120/0x120
[  387.361082] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  387.376500]  ? warn_alloc+0x120/0x120
[  387.380274] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  387.389098]  ? warn_alloc+0x120/0x120
[  387.392871] 326 total pagecache pages
[  387.401434]  ? print_usage_bug+0xc0/0xc0
[  387.405214] 0 pages in swap cache
[  387.408994]  ? enqueue_hrtimer+0x1a5/0x560
[  387.413025] Swap cache stats: add 0, delete 0, find 0/0
[  387.413032] Free swap  = 0kB
[  387.416473]  ? print_usage_bug+0xc0/0xc0
[  387.420676] Total swap = 0kB
[  387.420683] 1965979 pages RAM
[  387.426046]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  387.426075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.429054] 0 pages HighMem/MovableOnly
[  387.429066] 342854 pages reserved
[  387.433118]  ? should_fail+0x22d/0xd01
[  387.436104] 0 pages cma reserved
[  387.436167] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.439206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.439220]  ? __lock_acquire+0x62f/0x4c20
[  387.439238]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.444449] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.449926]  ? __lock_acquire+0x62f/0x4c20
[  387.453871] syz-fuzzer cpuset=/ mems_allowed=0
[  387.457314]  ? should_fail+0x22d/0xd01
[  387.457338]  ? mark_held_locks+0x130/0x130
[  387.513160]  ? mark_held_locks+0x130/0x130
[  387.517396]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  387.522407]  ? ktime_get+0x2c1/0x400
[  387.526122]  ? zap_class+0x640/0x640
[  387.529832]  ? print_usage_bug+0xc0/0xc0
[  387.533891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.539426]  ? check_preemption_disabled+0x48/0x280
[  387.544449]  ? __lock_is_held+0xb5/0x140
[  387.548511]  __alloc_pages_nodemask+0xa80/0xde0
[  387.553184]  ? zap_class+0x640/0x640
[  387.556900]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.561924]  ? find_held_lock+0x36/0x1c0
[  387.565988]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.570656]  ? lock_downgrade+0x900/0x900
[  387.574810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.580345]  cache_grow_begin+0xa5/0x8c0
[  387.584401]  ? do_raw_spin_unlock+0xa7/0x330
[  387.588814]  fallback_alloc+0x204/0x2e0
[  387.592791]  ____cache_alloc_node+0x1c7/0x1e0
[  387.597289]  kmem_cache_alloc_node+0xe3/0x730
[  387.601783]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.606028]  __alloc_skb+0x119/0x770
[  387.609743]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.615022]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.619429]  ? lock_downgrade+0x900/0x900
[  387.623581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.629115]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.634567]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.640015]  ? addrconf_rs_timer+0x690/0x690
[  387.644432]  ndisc_alloc_skb+0x144/0x340
[  387.648498]  ndisc_send_rs+0x331/0x6e0
[  387.652397]  addrconf_rs_timer+0x314/0x690
[  387.656632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.660873]  call_timer_fn+0x272/0x920
[  387.664756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.668987]  ? process_timeout+0x40/0x40
[  387.673058]  ? __run_timers+0x7da/0xc70
[  387.677028]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.681530]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.686022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.690256]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.694840]  ? trace_hardirqs_on+0xbd/0x310
[  387.699155]  ? kasan_check_read+0x11/0x20
[  387.703297]  ? __run_timers+0x7da/0xc70
[  387.707270]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.712379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.716606]  __run_timers+0x7e5/0xc70
[  387.720413]  ? timer_fixup_init+0x70/0x70
[  387.724563]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  387.729580]  ? zap_class+0x640/0x640
[  387.733290]  ? enqueue_hrtimer+0x1a5/0x560
[  387.737527]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  387.742718]  ? find_held_lock+0x36/0x1c0
[  387.746782]  ? zap_class+0x640/0x640
[  387.750494]  ? pvclock_read_flags+0x160/0x160
[  387.754993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.760534]  ? check_preemption_disabled+0x48/0x280
[  387.765558]  ? __lock_is_held+0xb5/0x140
[  387.769616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.775153]  ? check_preemption_disabled+0x48/0x280
[  387.780278]  run_timer_softirq+0x52/0xb0
[  387.784334]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.789347]  __do_softirq+0x308/0xb7e
[  387.793148]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  387.797647]  ? lock_downgrade+0x900/0x900
[  387.801799]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.806905]  ? pvclock_read_flags+0x160/0x160
[  387.811401]  ? lapic_next_event+0x5a/0x90
[  387.815545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.821082]  ? kvm_clock_read+0x18/0x30
[  387.825058]  ? kvm_sched_clock_read+0x9/0x20
[  387.829464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.835021]  ? check_preemption_disabled+0x48/0x280
[  387.840052]  irq_exit+0x17f/0x1c0
[  387.843509]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.848347]  ? smp_call_function_single_interrupt+0x159/0x650
[  387.854229]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.860110]  ? interrupt_entry+0xb5/0xc0
[  387.864186]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.869199]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.874215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.879056]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.884067]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.889078]  ? task_prio+0x50/0x50
[  387.892616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.898147]  ? check_preemption_disabled+0x48/0x280
[  387.903164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.908009]  apic_timer_interrupt+0xf/0x20
[  387.912235]  </IRQ>
[  387.914471] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  387.920358] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  387.939249] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  387.946954] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  387.954215] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  387.961476] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  387.968748] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  387.976012] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  387.983306]  ? save_stack+0xa9/0xd0
[  387.986939]  __kmalloc_node_track_caller+0x3c/0x70
[  387.991867]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  387.996623]  pskb_expand_head+0x230/0x10f0
[  388.000857]  ? memcpy+0x45/0x50
[  388.004134]  ? __copy_skb_header+0x350/0x6b0
[  388.008543]  ? skb_release_data+0x880/0x880
[  388.012865]  ? __alloc_skb+0x770/0x770
[  388.017711]  ? __lock_is_held+0xb5/0x140
[  388.021777]  ? kasan_check_write+0x14/0x20
[  388.026014]  ? __skb_clone+0x6c7/0xa00
[  388.029907]  ? __copy_skb_header+0x6b0/0x6b0
[  388.034314]  ? kmem_cache_alloc+0x33a/0x730
[  388.038639]  skb_ensure_writable+0x3dd/0x640
[  388.043051]  ? skb_checksum_setup+0xaa0/0xaa0
[  388.047546]  ? check_preemption_disabled+0x48/0x280
[  388.052571]  ? __this_cpu_preempt_check+0x1c/0x20
[  388.057411]  ? __bpf_redirect+0x54b/0xb20
[  388.061563]  bpf_clone_redirect+0x14a/0x490
[  388.065975]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  388.070992]  ? __sched_text_start+0x8/0x8
[  388.075141]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.079718]  ? retint_kernel+0x2d/0x2d
[  388.083602]  ? trace_hardirqs_on_caller+0xc0/0x310
[  388.088534]  ? find_held_lock+0x36/0x1c0
[  388.092599]  ? lock_acquire+0x1ed/0x520
[  388.096570]  ? bpf_test_run+0x3cb/0x780
[  388.100542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.106077]  ? check_preemption_disabled+0x48/0x280
[  388.111093]  ? kasan_check_read+0x11/0x20
[  388.115238]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.120513]  ? rcu_softirq_qs+0x20/0x20
[  388.124490]  ? preempt_schedule+0x4d/0x60
[  388.128647]  ? ___preempt_schedule+0x16/0x18
[  388.133058]  ? bpf_test_run+0x25d/0x780
[  388.137041]  ? netlink_diag_dump+0x2a0/0x2a0
[  388.141456]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  388.146224]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  388.151061]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  388.156594]  ? fput+0x130/0x1a0
[  388.159869]  ? __bpf_prog_get+0x9b/0x290
[  388.163928]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  388.168765]  ? bpf_prog_test_run+0x130/0x1a0
[  388.173172]  ? __x64_sys_bpf+0x3d8/0x520
[  388.177228]  ? bpf_prog_get+0x20/0x20
[  388.181036]  ? do_syscall_64+0x142/0x820
[  388.185098]  ? do_syscall_64+0x1b9/0x820
[  388.189156]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  388.194516]  ? syscall_return_slowpath+0x5e0/0x5e0
[  388.199439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.204287]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.209300]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  388.214318]  ? prepare_exit_to_usermode+0x291/0x3b0
[  388.219333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.224176]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  388.229555] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  388.229618] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.236572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  388.236579] Call Trace:
[  388.243122] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.252387]  <IRQ>
[  388.254952] syz-executor1 cpuset=syz1 mems_allowed=0
[  388.265423]  dump_stack+0x244/0x39d
[  388.276261]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.281467]  warn_alloc.cold.116+0xb7/0x1bd
[  388.285799]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  388.290645]  ? lock_downgrade+0x900/0x900
[  388.294799]  ? trace_hardirqs_off+0xb8/0x310
[  388.299212]  ? trace_hardirqs_off+0xb8/0x310
[  388.303623]  __alloc_pages_slowpath+0x26e8/0x2e10
[  388.308500]  ? warn_alloc+0x120/0x120
[  388.312298]  ? print_usage_bug+0xc0/0xc0
[  388.316356]  ? warn_alloc+0x120/0x120
[  388.320156]  ? warn_alloc+0x120/0x120
[  388.323956]  ? print_usage_bug+0xc0/0xc0
[  388.328018]  ? print_usage_bug+0xc0/0xc0
[  388.332081]  ? __lock_acquire+0x62f/0x4c20
[  388.336331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.341865]  ? should_fail+0x22d/0xd01
[  388.345756]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.350859]  ? __lock_acquire+0x62f/0x4c20
[  388.355092]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.360188]  ? __lock_acquire+0x62f/0x4c20
[  388.364416]  ? should_fail+0x22d/0xd01
[  388.368297]  ? find_held_lock+0x36/0x1c0
[  388.372362]  ? mark_held_locks+0x130/0x130
[  388.376598]  ? mark_held_locks+0x130/0x130
[  388.380826]  ? zap_class+0x640/0x640
[  388.384534]  ? zap_class+0x640/0x640
[  388.388316]  ? print_usage_bug+0xc0/0xc0
[  388.392369]  ? do_raw_spin_unlock+0xa7/0x330
[  388.396777]  ? zap_class+0x640/0x640
[  388.400493]  ? print_usage_bug+0xc0/0xc0
[  388.404550]  ? wq_watchdog_touch+0x9c/0xfe
[  388.408873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.414407]  ? check_preemption_disabled+0x48/0x280
[  388.419425]  ? __lock_is_held+0xb5/0x140
[  388.423504]  __alloc_pages_nodemask+0xa80/0xde0
[  388.428167]  ? zap_class+0x640/0x640
[  388.431881]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.436905]  ? find_held_lock+0x36/0x1c0
[  388.440973]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.445642]  ? lock_downgrade+0x900/0x900
[  388.449791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.455328]  cache_grow_begin+0xa5/0x8c0
[  388.459385]  ? do_raw_spin_unlock+0xa7/0x330
[  388.463795]  fallback_alloc+0x204/0x2e0
[  388.467776]  ____cache_alloc_node+0x1c7/0x1e0
[  388.472275]  kmem_cache_alloc_node+0xe3/0x730
[  388.476764]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.481012]  __alloc_skb+0x119/0x770
[  388.484725]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.490008]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.494429]  ? lock_downgrade+0x900/0x900
[  388.498589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.504122]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.509574]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.515018]  ? addrconf_rs_timer+0x690/0x690
[  388.519431]  ndisc_alloc_skb+0x144/0x340
[  388.523509]  ndisc_send_rs+0x331/0x6e0
[  388.527397]  addrconf_rs_timer+0x314/0x690
[  388.531632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.535873]  call_timer_fn+0x272/0x920
[  388.539762]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.543991]  ? process_timeout+0x40/0x40
[  388.548056]  ? mark_held_locks+0xc7/0x130
[  388.552201]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.556689]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.561176]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.565438]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.570025]  ? trace_hardirqs_on+0xbd/0x310
[  388.574341]  ? kasan_check_read+0x11/0x20
[  388.578484]  ? __run_timers+0x7da/0xc70
[  388.582460]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.587571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.591806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.596033]  __run_timers+0x7e5/0xc70
[  388.599837]  ? timer_fixup_init+0x70/0x70
[  388.604004]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.609017]  ? zap_class+0x640/0x640
[  388.612735]  ? print_usage_bug+0xc0/0xc0
[  388.616793]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.621983]  ? find_held_lock+0x36/0x1c0
[  388.626046]  ? zap_class+0x640/0x640
[  388.629764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.635296]  ? check_preemption_disabled+0x48/0x280
[  388.640317]  ? __lock_is_held+0xb5/0x140
[  388.644372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.649904]  ? check_preemption_disabled+0x48/0x280
[  388.654919]  run_timer_softirq+0x52/0xb0
[  388.658976]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.663990]  __do_softirq+0x308/0xb7e
[  388.667789]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  388.672280]  ? lock_downgrade+0x900/0x900
[  388.676896]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.682004]  ? pvclock_read_flags+0x160/0x160
[  388.686494]  ? lapic_next_event+0x5a/0x90
[  388.690639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.696178]  ? kvm_clock_read+0x18/0x30
[  388.700147]  ? kvm_sched_clock_read+0x9/0x20
[  388.704555]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.710089]  ? check_preemption_disabled+0x48/0x280
[  388.715112]  irq_exit+0x17f/0x1c0
[  388.718564]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.723403]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.729289]  ? interrupt_entry+0xb5/0xc0
[  388.733347]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.738356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.743371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.748210]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.753220]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.758230]  ? task_prio+0x50/0x50
[  388.761773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.767308]  ? check_preemption_disabled+0x48/0x280
[  388.772339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.777184]  apic_timer_interrupt+0xf/0x20
[  388.781430]  </IRQ>
[  388.783667] RIP: 0010:dump_stack+0x358/0x39d
[  388.788075] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  388.806968] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  388.814671] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  388.821933] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  388.829197] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  388.836462] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  388.843729] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  388.851010]  ? dump_stack+0x34f/0x39d
[  388.854817]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.860010]  ? mark_held_locks+0x130/0x130
[  388.864239]  ? mark_held_locks+0x130/0x130
[  388.868475]  dump_header+0x27b/0xf72
[  388.872199]  ? pagefault_out_of_memory+0x197/0x197
[  388.877146]  ? __lock_acquire+0x62f/0x4c20
[  388.881382]  ? percpu_ref_get_many+0x240/0x240
[  388.885967]  ? print_usage_bug+0xc0/0xc0
[  388.890029]  ? zap_class+0x640/0x640
[  388.893740]  ? print_usage_bug+0xc0/0xc0
[  388.897806]  ? print_usage_bug+0xc0/0xc0
[  388.901863]  ? zap_class+0x640/0x640
[  388.905575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.911113]  ? find_held_lock+0x36/0x1c0
[  388.915178]  ? mark_held_locks+0xc7/0x130
[  388.919323]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.924430]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.929535]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.934118]  ? trace_hardirqs_on+0xbd/0x310
[  388.938441]  ? kasan_check_read+0x11/0x20
[  388.942586]  ? ___ratelimit+0x3b4/0x672
[  388.946561]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.951661]  ? trace_hardirqs_on+0x310/0x310
[  388.956068]  ? lock_downgrade+0x900/0x900
[  388.960217]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  388.965318]  ? ___ratelimit+0x3b9/0x672
[  388.969288]  ? idr_get_free+0xf70/0xf70
[  388.973260]  ? find_held_lock+0x36/0x1c0
[  388.977325]  oom_kill_process.cold.27+0x10/0x903
[  388.982078]  ? zap_class+0x640/0x640
[  388.985786]  ? check_preemption_disabled+0x48/0x280
[  388.990803]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.995729]  ? kasan_check_read+0x11/0x20
[  388.999874]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.005146]  ? oom_evaluate_task+0x540/0x540
[  389.009552]  ? find_held_lock+0x36/0x1c0
[  389.013615]  ? out_of_memory+0x974/0x1430
[  389.017760]  ? lock_downgrade+0x900/0x900
[  389.021904]  ? check_preemption_disabled+0x48/0x280
[  389.026920]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.031844]  ? kasan_check_read+0x11/0x20
[  389.035985]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.041256]  ? rcu_softirq_qs+0x20/0x20
[  389.045230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.050759]  ? oom_evaluate_task+0x302/0x540
[  389.055165]  out_of_memory+0xa84/0x1430
[  389.059141]  ? oom_killer_disable+0x3a0/0x3a0
[  389.063634]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  389.068565]  ? __ww_mutex_check_waiters+0x160/0x160
[  389.073592]  __alloc_pages_slowpath+0x2354/0x2e10
[  389.078460]  ? warn_alloc+0x120/0x120
[  389.082254]  ? mark_held_locks+0x130/0x130
[  389.086489]  ? find_get_entry+0xaae/0x1120
[  389.090730]  ? filemap_map_pages+0x1a20/0x1a20
[  389.095315]  ? zap_class+0x640/0x640
[  389.099030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.104565]  ? check_preemption_disabled+0x48/0x280
[  389.109577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.115113]  ? should_fail+0x22d/0xd01
[  389.118999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.124103]  ? zap_class+0x640/0x640
[  389.127834]  ? __lock_is_held+0xb5/0x140
[  389.131896]  ? mark_held_locks+0x130/0x130
[  389.136211]  ? lock_release+0xa00/0xa00
[  389.140183]  ? perf_trace_sched_process_exec+0x860/0x860
[  389.145628]  ? xa_load+0x2ba/0x460
[  389.149164]  ? lock_downgrade+0x900/0x900
[  389.153311]  ? __might_sleep+0x95/0x190
[  389.157288]  __alloc_pages_nodemask+0xa80/0xde0
[  389.161961]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.166973]  ? __page_cache_alloc+0x191/0x5c0
[  389.171463]  ? xa_load+0x2e1/0x460
[  389.175009]  ? xa_clear_mark+0x40/0x40
[  389.178892]  ? zap_class+0x640/0x640
[  389.182623]  ? zap_class+0x640/0x640
[  389.186329]  ? zap_class+0x640/0x640
[  389.190037]  ? __do_page_cache_readahead+0x663/0x810
[  389.195139]  ? find_held_lock+0x36/0x1c0
[  389.199197]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  389.204735]  alloc_pages_current+0x173/0x350
[  389.209146]  __page_cache_alloc+0x38c/0x5c0
[  389.213460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.218391]  ? kasan_check_read+0x11/0x20
[  389.222541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.227817]  ? generic_perform_write+0x6a0/0x6a0
[  389.232568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.238100]  ? check_preemption_disabled+0x48/0x280
[  389.243117]  filemap_fault+0x1595/0x25f0
[  389.247183]  ? __lock_page_or_retry+0xa00/0xa00
[  389.251849]  ? mark_held_locks+0x130/0x130
[  389.256086]  ? filemap_map_pages+0xd6b/0x1a20
[  389.260582]  ? lock_downgrade+0x900/0x900
[  389.264725]  ? check_preemption_disabled+0x48/0x280
[  389.269738]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.274662]  ? kasan_check_read+0x11/0x20
[  389.278803]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.284075]  ? rcu_softirq_qs+0x20/0x20
[  389.288072]  ? filemap_map_pages+0xd92/0x1a20
[  389.292569]  ? print_usage_bug+0xc0/0xc0
[  389.296630]  ? find_get_entries_tag+0x1400/0x1400
[  389.301470]  ? __kasan_slab_free+0x102/0x150
[  389.305877]  ? kasan_slab_free+0xe/0x10
[  389.309850]  ? kmem_cache_free+0x83/0x290
[  389.313992]  ? __sigqueue_free.part.29+0x74/0x90
[  389.318761]  ? lock_acquire+0x1ed/0x520
[  389.322733]  ? ext4_filemap_fault+0x7a/0xad
[  389.327055]  ? lock_release+0xa00/0xa00
[  389.331024]  ? perf_trace_sched_process_exec+0x860/0x860
[  389.336474]  ? print_usage_bug+0xc0/0xc0
[  389.340533]  ? print_usage_bug+0xc0/0xc0
[  389.344602]  ? down_read+0x8d/0x120
[  389.348223]  ? ext4_filemap_fault+0x7a/0xad
[  389.352541]  ? __down_interruptible+0x700/0x700
[  389.357213]  ext4_filemap_fault+0x82/0xad
[  389.361358]  __do_fault+0x100/0x6b0
[  389.364991]  ? pmd_devmap_trans_unstable+0x220/0x220
[  389.370092]  ? mark_held_locks+0x130/0x130
[  389.374323]  ? mark_held_locks+0x130/0x130
[  389.378559]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  389.384092]  ? rcu_pm_notify+0xc0/0xc0
[  389.387984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.393521]  __handle_mm_fault+0x3ea0/0x5be0
[  389.397932]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  389.402766]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.407258]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.411836]  ? trace_hardirqs_on+0xbd/0x310
[  389.416150]  ? kasan_check_read+0x11/0x20
[  389.420295]  ? __set_current_blocked+0xdf/0x120
[  389.424960]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.430069]  ? zap_class+0x640/0x640
[  389.433778]  ? zap_class+0x640/0x640
[  389.437493]  ? find_held_lock+0x36/0x1c0
[  389.441561]  ? handle_mm_fault+0x42a/0xc70
[  389.445795]  ? lock_downgrade+0x900/0x900
[  389.449937]  ? check_preemption_disabled+0x48/0x280
[  389.454952]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.459874]  ? kasan_check_read+0x11/0x20
[  389.464019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.469290]  ? rcu_softirq_qs+0x20/0x20
[  389.473259]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.478369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.483904]  ? check_preemption_disabled+0x48/0x280
[  389.488923]  handle_mm_fault+0x54f/0xc70
[  389.492983]  ? __handle_mm_fault+0x5be0/0x5be0
[  389.497566]  ? find_vma+0x34/0x190
[  389.501107]  __do_page_fault+0x5e8/0xe60
[  389.505625]  ? exit_to_usermode_loop+0x1f4/0x380
[  389.510396]  do_page_fault+0xf2/0x7e0
[  389.514197]  ? vmalloc_sync_all+0x30/0x30
[  389.518339]  ? error_entry+0x70/0xd0
[  389.522061]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.527074]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.531996]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.536923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.541760]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.546771]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.552218]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.557226]  ? page_fault+0x8/0x30
[  389.560762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.565601]  ? page_fault+0x8/0x30
[  389.569138]  page_fault+0x1e/0x30
[  389.572587] RIP: 0033:0x45db60
[  389.575786] Code: Bad RIP value.
[  389.579142] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  389.584497] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  389.591795] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  389.599056] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  389.606317] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  389.613584] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  389.620870] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  389.620875] warn_alloc_show_mem: 1 callbacks suppressed
[  389.620881] Mem-Info:
[  389.628239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.633603] active_anon:52805 inactive_anon:249 isolated_anon:0
[  389.633603]  active_file:17 inactive_file:10 isolated_file:0
[  389.633603]  unevictable:0 dirty:0 writeback:0 unstable:0
[  389.633603]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  389.633603]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  389.633603]  free:13758 free_pcp:272 free_cma:0
[  389.635977] Call Trace:
[  389.645356] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  389.678196]  <IRQ>
[  389.680759] 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
[  389.708335]  dump_stack+0x244/0x39d
[  389.710464] lowmem_reserve[]: 0 2818 6321 6321
[  389.736580]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.740176] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  389.744760]  warn_alloc.cold.116+0xb7/0x1bd
[  389.749910] lowmem_reserve[]: 0 0 3503 3503
[  389.777224]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.781518] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  389.785832]  ? lock_downgrade+0x900/0x900
[  389.790637] lowmem_reserve[]: 0 0 0 0
[  389.819541]  ? trace_hardirqs_off+0xb8/0x310
[  389.823659] 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
[  389.827452]  ? trace_hardirqs_off+0xb8/0x310
[  389.831827] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  389.845351]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.849722] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  389.864922]  ? warn_alloc+0x120/0x120
[  389.869721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  389.885137]  ? print_usage_bug+0xc0/0xc0
[  389.888912] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  389.897727]  ? warn_alloc+0x120/0x120
[  389.901760] 326 total pagecache pages
[  389.910320]  ? warn_alloc+0x120/0x120
[  389.914108] 0 pages in swap cache
[  389.917888]  ? print_usage_bug+0xc0/0xc0
[  389.921664] Swap cache stats: add 0, delete 0, find 0/0
[  389.925100]  ? kvm_clock_read+0x18/0x30
[  389.929131] Free swap  = 0kB
[  389.934497]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  389.938439] Total swap = 0kB
[  389.941445]  ? print_usage_bug+0xc0/0xc0
[  389.946434] 1965979 pages RAM
[  389.949439]  ? __lock_acquire+0x62f/0x4c20
[  389.953470] 0 pages HighMem/MovableOnly
[  389.956567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.960767] 342854 pages reserved
[  389.960774] 0 pages cma reserved
[  389.964737]  ? should_fail+0x22d/0xd01
[  389.970296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.973678]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.973696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.977078] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.980904]  ? __lock_acquire+0x62f/0x4c20
[  389.987370] syz-fuzzer cpuset=/ mems_allowed=0
[  389.992635]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.021782]  ? __lock_acquire+0x62f/0x4c20
[  390.026010]  ? should_fail+0x22d/0xd01
[  390.029889]  ? rcu_irq_exit+0x1a2/0x390
[  390.033871]  ? mark_held_locks+0x130/0x130
[  390.038117]  ? mark_held_locks+0x130/0x130
[  390.042355]  ? mark_held_locks+0xc7/0x130
[  390.046499]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  390.051509]  ? zap_class+0x640/0x640
[  390.055219]  ? print_usage_bug+0xc0/0xc0
[  390.059297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.064837]  ? check_preemption_disabled+0x48/0x280
[  390.069872]  ? __lock_is_held+0xb5/0x140
[  390.073935]  __alloc_pages_nodemask+0xa80/0xde0
[  390.078599]  ? zap_class+0x640/0x640
[  390.082354]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.087380]  ? find_held_lock+0x36/0x1c0
[  390.091445]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.096110]  ? lock_downgrade+0x900/0x900
[  390.100260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.105801]  cache_grow_begin+0xa5/0x8c0
[  390.109864]  ? do_raw_spin_unlock+0xa7/0x330
[  390.114274]  fallback_alloc+0x204/0x2e0
[  390.118258]  ____cache_alloc_node+0x1c7/0x1e0
[  390.122758]  kmem_cache_alloc_node+0xe3/0x730
[  390.127250]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.131488]  __alloc_skb+0x119/0x770
[  390.135199]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.140494]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.144897]  ? lock_downgrade+0x900/0x900
[  390.149061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.154596]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.160044]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.165489]  ? addrconf_rs_timer+0x690/0x690
[  390.169904]  ndisc_alloc_skb+0x144/0x340
[  390.173963]  ndisc_send_rs+0x331/0x6e0
[  390.177856]  addrconf_rs_timer+0x314/0x690
[  390.182110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.186351]  call_timer_fn+0x272/0x920
[  390.190233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.194464]  ? process_timeout+0x40/0x40
[  390.198527]  ? __run_timers+0x7da/0xc70
[  390.202497]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.206986]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.211474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.215703]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.220282]  ? trace_hardirqs_on+0xbd/0x310
[  390.224606]  ? kasan_check_read+0x11/0x20
[  390.228747]  ? __run_timers+0x7da/0xc70
[  390.232719]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.237826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.242063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.246290]  __run_timers+0x7e5/0xc70
[  390.250105]  ? timer_fixup_init+0x70/0x70
[  390.254249]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.259261]  ? zap_class+0x640/0x640
[  390.262976]  ? enqueue_hrtimer+0x1a5/0x560
[  390.267208]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.272399]  ? find_held_lock+0x36/0x1c0
[  390.276460]  ? zap_class+0x640/0x640
[  390.280175]  ? pvclock_read_flags+0x160/0x160
[  390.284678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.290213]  ? check_preemption_disabled+0x48/0x280
[  390.295232]  ? __lock_is_held+0xb5/0x140
[  390.299298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.304836]  ? check_preemption_disabled+0x48/0x280
[  390.309853]  run_timer_softirq+0x52/0xb0
[  390.313913]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.318930]  __do_softirq+0x308/0xb7e
[  390.322731]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.327220]  ? lock_downgrade+0x900/0x900
[  390.331370]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.336479]  ? pvclock_read_flags+0x160/0x160
[  390.340981]  ? lapic_next_event+0x5a/0x90
[  390.345130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.350666]  ? kvm_clock_read+0x18/0x30
[  390.354636]  ? kvm_sched_clock_read+0x9/0x20
[  390.359042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.364580]  ? check_preemption_disabled+0x48/0x280
[  390.369599]  irq_exit+0x17f/0x1c0
[  390.373047]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.377906]  ? smp_call_function_single_interrupt+0x159/0x650
[  390.383788]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.389670]  ? interrupt_entry+0xb5/0xc0
[  390.393727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.398741]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.403757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.408594]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.413605]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.418614]  ? task_prio+0x50/0x50
[  390.422153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.427691]  ? check_preemption_disabled+0x48/0x280
[  390.432709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.437558]  apic_timer_interrupt+0xf/0x20
[  390.441782]  </IRQ>
[  390.444017] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  390.449897] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  390.468793] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  390.476497] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  390.483760] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  390.491023] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  390.498290] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  390.505558] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  390.512850]  ? save_stack+0xa9/0xd0
[  390.516482]  __kmalloc_node_track_caller+0x3c/0x70
[  390.521410]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  390.526165]  pskb_expand_head+0x230/0x10f0
[  390.530403]  ? memcpy+0x45/0x50
[  390.533679]  ? __copy_skb_header+0x350/0x6b0
[  390.538084]  ? skb_release_data+0x880/0x880
[  390.542409]  ? __alloc_skb+0x770/0x770
[  390.546309]  ? __lock_is_held+0xb5/0x140
[  390.550384]  ? kasan_check_write+0x14/0x20
[  390.554614]  ? __skb_clone+0x6c7/0xa00
[  390.558500]  ? __copy_skb_header+0x6b0/0x6b0
[  390.562906]  ? kmem_cache_alloc+0x33a/0x730
[  390.567231]  skb_ensure_writable+0x3dd/0x640
[  390.571639]  ? skb_checksum_setup+0xaa0/0xaa0
[  390.576131]  ? check_preemption_disabled+0x48/0x280
[  390.581146]  ? __this_cpu_preempt_check+0x1c/0x20
[  390.585988]  ? __bpf_redirect+0x54b/0xb20
[  390.590138]  bpf_clone_redirect+0x14a/0x490
[  390.594464]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  390.599481]  ? __sched_text_start+0x8/0x8
[  390.603628]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.608203]  ? retint_kernel+0x2d/0x2d
[  390.612088]  ? trace_hardirqs_on_caller+0xc0/0x310
[  390.617017]  ? find_held_lock+0x36/0x1c0
[  390.621084]  ? lock_acquire+0x1ed/0x520
[  390.625055]  ? bpf_test_run+0x3cb/0x780
[  390.629029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.634562]  ? check_preemption_disabled+0x48/0x280
[  390.639667]  ? kasan_check_read+0x11/0x20
[  390.643817]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.649091]  ? rcu_softirq_qs+0x20/0x20
[  390.653061]  ? preempt_schedule+0x4d/0x60
[  390.657205]  ? ___preempt_schedule+0x16/0x18
[  390.661616]  ? bpf_test_run+0x25d/0x780
[  390.665602]  ? netlink_diag_dump+0x2a0/0x2a0
[  390.670035]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  390.675337]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.680177]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  390.685711]  ? fput+0x130/0x1a0
[  390.688990]  ? __bpf_prog_get+0x9b/0x290
[  390.693055]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.697892]  ? bpf_prog_test_run+0x130/0x1a0
[  390.702302]  ? __x64_sys_bpf+0x3d8/0x520
[  390.706360]  ? bpf_prog_get+0x20/0x20
[  390.710166]  ? do_syscall_64+0x142/0x820
[  390.714237]  ? do_syscall_64+0x1b9/0x820
[  390.718302]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  390.723661]  ? syscall_return_slowpath+0x5e0/0x5e0
[  390.728585]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.733427]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.738440]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  390.743455]  ? prepare_exit_to_usermode+0x291/0x3b0
[  390.750384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.755231]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  390.760618] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  390.760681] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.767631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.767636] Call Trace:
[  390.767642]  <IRQ>
[  390.767658]  dump_stack+0x244/0x39d
[  390.767678]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.774191] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.783500]  warn_alloc.cold.116+0xb7/0x1bd
[  390.786068] syz-executor1 cpuset=syz1 mems_allowed=0
[  390.788208]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.821671]  ? lock_downgrade+0x900/0x900
[  390.825820]  ? trace_hardirqs_off+0xb8/0x310
[  390.830229]  ? trace_hardirqs_off+0xb8/0x310
[  390.834645]  __alloc_pages_slowpath+0x26e8/0x2e10
[  390.839508]  ? warn_alloc+0x120/0x120
[  390.843312]  ? print_usage_bug+0xc0/0xc0
[  390.847371]  ? warn_alloc+0x120/0x120
[  390.851172]  ? warn_alloc+0x120/0x120
[  390.854968]  ? print_usage_bug+0xc0/0xc0
[  390.859026]  ? print_usage_bug+0xc0/0xc0
[  390.863083]  ? __lock_acquire+0x62f/0x4c20
[  390.867318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.872853]  ? should_fail+0x22d/0xd01
[  390.876741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.881839]  ? __lock_acquire+0x62f/0x4c20
[  390.886077]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.891173]  ? __lock_acquire+0x62f/0x4c20
[  390.895399]  ? should_fail+0x22d/0xd01
[  390.899297]  ? find_held_lock+0x36/0x1c0
[  390.903361]  ? mark_held_locks+0x130/0x130
[  390.907594]  ? mark_held_locks+0x130/0x130
[  390.911821]  ? zap_class+0x640/0x640
[  390.915529]  ? zap_class+0x640/0x640
[  390.919248]  ? print_usage_bug+0xc0/0xc0
[  390.923312]  ? do_raw_spin_unlock+0xa7/0x330
[  390.927717]  ? zap_class+0x640/0x640
[  390.931429]  ? print_usage_bug+0xc0/0xc0
[  390.935490]  ? wq_watchdog_touch+0x9c/0xfe
[  390.939724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.945266]  ? check_preemption_disabled+0x48/0x280
[  390.950298]  ? __lock_is_held+0xb5/0x140
[  390.954363]  __alloc_pages_nodemask+0xa80/0xde0
[  390.959029]  ? zap_class+0x640/0x640
[  390.962748]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.967775]  ? find_held_lock+0x36/0x1c0
[  390.971843]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.976554]  ? lock_downgrade+0x900/0x900
[  390.980706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.986250]  cache_grow_begin+0xa5/0x8c0
[  390.990312]  ? do_raw_spin_unlock+0xa7/0x330
[  390.994723]  fallback_alloc+0x204/0x2e0
[  390.998698]  ____cache_alloc_node+0x1c7/0x1e0
[  391.003193]  kmem_cache_alloc_node+0xe3/0x730
[  391.007683]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.011922]  __alloc_skb+0x119/0x770
[  391.015629]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.020903]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.025309]  ? lock_downgrade+0x900/0x900
[  391.029463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.034999]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.040447]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.045891]  ? addrconf_rs_timer+0x690/0x690
[  391.050312]  ndisc_alloc_skb+0x144/0x340
[  391.054375]  ndisc_send_rs+0x331/0x6e0
[  391.058273]  addrconf_rs_timer+0x314/0x690
[  391.062513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.066753]  call_timer_fn+0x272/0x920
[  391.070636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.074868]  ? process_timeout+0x40/0x40
[  391.078933]  ? mark_held_locks+0xc7/0x130
[  391.083079]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.087567]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.092054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.096286]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.100865]  ? trace_hardirqs_on+0xbd/0x310
[  391.105182]  ? kasan_check_read+0x11/0x20
[  391.109325]  ? __run_timers+0x7da/0xc70
[  391.113301]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.118407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.122643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.126873]  __run_timers+0x7e5/0xc70
[  391.130682]  ? timer_fixup_init+0x70/0x70
[  391.134828]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.139845]  ? zap_class+0x640/0x640
[  391.143558]  ? print_usage_bug+0xc0/0xc0
[  391.147624]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.152818]  ? find_held_lock+0x36/0x1c0
[  391.156883]  ? zap_class+0x640/0x640
[  391.160598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.166132]  ? check_preemption_disabled+0x48/0x280
[  391.171155]  ? __lock_is_held+0xb5/0x140
[  391.175212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.180756]  ? check_preemption_disabled+0x48/0x280
[  391.185771]  run_timer_softirq+0x52/0xb0
[  391.189827]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.194841]  __do_softirq+0x308/0xb7e
[  391.198644]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  391.203133]  ? lock_downgrade+0x900/0x900
[  391.207283]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.212393]  ? pvclock_read_flags+0x160/0x160
[  391.216884]  ? lapic_next_event+0x5a/0x90
[  391.221031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.226568]  ? kvm_clock_read+0x18/0x30
[  391.230538]  ? kvm_sched_clock_read+0x9/0x20
[  391.234943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.240476]  ? check_preemption_disabled+0x48/0x280
[  391.245495]  irq_exit+0x17f/0x1c0
[  391.248943]  smp_apic_timer_interrupt+0x1cb/0x760
[  391.253783]  ? smp_call_function_single_interrupt+0x650/0x650
[  391.259665]  ? interrupt_entry+0xb5/0xc0
[  391.263726]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.268736]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.273746]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.278583]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.283592]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.288603]  ? task_prio+0x50/0x50
[  391.292141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.297677]  ? check_preemption_disabled+0x48/0x280
[  391.302697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.307541]  apic_timer_interrupt+0xf/0x20
[  391.311767]  </IRQ>
[  391.314002] RIP: 0010:dump_stack+0x358/0x39d
[  391.318412] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  391.337304] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  391.345096] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  391.352357] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  391.359623] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  391.366889] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  391.374152] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  391.381434]  ? dump_stack+0x34f/0x39d
[  391.385253]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.390444]  ? mark_held_locks+0x130/0x130
[  391.394673]  ? mark_held_locks+0x130/0x130
[  391.398906]  dump_header+0x27b/0xf72
[  391.402628]  ? pagefault_out_of_memory+0x197/0x197
[  391.407563]  ? __lock_acquire+0x62f/0x4c20
[  391.411793]  ? percpu_ref_get_many+0x240/0x240
[  391.416375]  ? print_usage_bug+0xc0/0xc0
[  391.420436]  ? zap_class+0x640/0x640
[  391.424150]  ? print_usage_bug+0xc0/0xc0
[  391.428213]  ? print_usage_bug+0xc0/0xc0
[  391.432275]  ? zap_class+0x640/0x640
[  391.436006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.441543]  ? find_held_lock+0x36/0x1c0
[  391.445610]  ? mark_held_locks+0xc7/0x130
[  391.449753]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.454849]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.459955]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.464546]  ? trace_hardirqs_on+0xbd/0x310
[  391.468861]  ? kasan_check_read+0x11/0x20
[  391.473083]  ? ___ratelimit+0x3b4/0x672
[  391.477058]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.482157]  ? trace_hardirqs_on+0x310/0x310
[  391.486562]  ? lock_downgrade+0x900/0x900
[  391.490710]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.495809]  ? ___ratelimit+0x3b9/0x672
[  391.499783]  ? idr_get_free+0xf70/0xf70
[  391.503754]  ? find_held_lock+0x36/0x1c0
[  391.508337]  oom_kill_process.cold.27+0x10/0x903
[  391.513091]  ? zap_class+0x640/0x640
[  391.516801]  ? check_preemption_disabled+0x48/0x280
[  391.521816]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.526744]  ? kasan_check_read+0x11/0x20
[  391.530891]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.536163]  ? oom_evaluate_task+0x540/0x540
[  391.540575]  ? find_held_lock+0x36/0x1c0
[  391.544639]  ? out_of_memory+0x974/0x1430
[  391.548783]  ? lock_downgrade+0x900/0x900
[  391.552925]  ? check_preemption_disabled+0x48/0x280
[  391.557938]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.562862]  ? kasan_check_read+0x11/0x20
[  391.567002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.572283]  ? rcu_softirq_qs+0x20/0x20
[  391.576263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.581792]  ? oom_evaluate_task+0x302/0x540
[  391.586207]  out_of_memory+0xa84/0x1430
[  391.590195]  ? oom_killer_disable+0x3a0/0x3a0
[  391.594694]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  391.599621]  ? __ww_mutex_check_waiters+0x160/0x160
[  391.604645]  __alloc_pages_slowpath+0x2354/0x2e10
[  391.609513]  ? warn_alloc+0x120/0x120
[  391.613309]  ? mark_held_locks+0x130/0x130
[  391.617543]  ? find_get_entry+0xaae/0x1120
[  391.621782]  ? filemap_map_pages+0x1a20/0x1a20
[  391.626366]  ? zap_class+0x640/0x640
[  391.630084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.635619]  ? check_preemption_disabled+0x48/0x280
[  391.640634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.646166]  ? should_fail+0x22d/0xd01
[  391.650058]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.655162]  ? zap_class+0x640/0x640
[  391.658903]  ? __lock_is_held+0xb5/0x140
[  391.662967]  ? mark_held_locks+0x130/0x130
[  391.667210]  ? lock_release+0xa00/0xa00
[  391.671192]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.676642]  ? xa_load+0x2ba/0x460
[  391.680187]  ? lock_downgrade+0x900/0x900
[  391.684342]  ? __might_sleep+0x95/0x190
[  391.688318]  __alloc_pages_nodemask+0xa80/0xde0
[  391.692992]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.698006]  ? __page_cache_alloc+0x191/0x5c0
[  391.702499]  ? xa_load+0x2e1/0x460
[  391.706039]  ? xa_clear_mark+0x40/0x40
[  391.709928]  ? zap_class+0x640/0x640
[  391.713646]  ? zap_class+0x640/0x640
[  391.717358]  ? zap_class+0x640/0x640
[  391.721070]  ? __do_page_cache_readahead+0x663/0x810
[  391.726173]  ? find_held_lock+0x36/0x1c0
[  391.730249]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  391.735787]  alloc_pages_current+0x173/0x350
[  391.740202]  __page_cache_alloc+0x38c/0x5c0
[  391.744526]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.749448]  ? kasan_check_read+0x11/0x20
[  391.753591]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.758868]  ? generic_perform_write+0x6a0/0x6a0
[  391.763619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.769155]  ? check_preemption_disabled+0x48/0x280
[  391.774187]  filemap_fault+0x1595/0x25f0
[  391.778258]  ? __lock_page_or_retry+0xa00/0xa00
[  391.782922]  ? mark_held_locks+0x130/0x130
[  391.787164]  ? filemap_map_pages+0xd6b/0x1a20
[  391.791662]  ? lock_downgrade+0x900/0x900
[  391.795824]  ? check_preemption_disabled+0x48/0x280
[  391.800842]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.805771]  ? kasan_check_read+0x11/0x20
[  391.809913]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.815190]  ? rcu_softirq_qs+0x20/0x20
[  391.819180]  ? filemap_map_pages+0xd92/0x1a20
[  391.823679]  ? print_usage_bug+0xc0/0xc0
[  391.827743]  ? find_get_entries_tag+0x1400/0x1400
[  391.832579]  ? __kasan_slab_free+0x102/0x150
[  391.836983]  ? kasan_slab_free+0xe/0x10
[  391.840949]  ? kmem_cache_free+0x83/0x290
[  391.845094]  ? __sigqueue_free.part.29+0x74/0x90
[  391.849860]  ? lock_acquire+0x1ed/0x520
[  391.853829]  ? ext4_filemap_fault+0x7a/0xad
[  391.858150]  ? lock_release+0xa00/0xa00
[  391.862122]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.867567]  ? print_usage_bug+0xc0/0xc0
[  391.871628]  ? print_usage_bug+0xc0/0xc0
[  391.875696]  ? down_read+0x8d/0x120
[  391.879315]  ? ext4_filemap_fault+0x7a/0xad
[  391.883637]  ? __down_interruptible+0x700/0x700
[  391.888314]  ext4_filemap_fault+0x82/0xad
[  391.892458]  __do_fault+0x100/0x6b0
[  391.896083]  ? pmd_devmap_trans_unstable+0x220/0x220
[  391.901193]  ? mark_held_locks+0x130/0x130
[  391.905429]  ? mark_held_locks+0x130/0x130
[  391.909660]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  391.915206]  ? rcu_pm_notify+0xc0/0xc0
[  391.919095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.924631]  __handle_mm_fault+0x3ea0/0x5be0
[  391.929044]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  391.933878]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.938368]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.942953]  ? trace_hardirqs_on+0xbd/0x310
[  391.947270]  ? kasan_check_read+0x11/0x20
[  391.951415]  ? __set_current_blocked+0xdf/0x120
[  391.956078]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.961198]  ? zap_class+0x640/0x640
[  391.964906]  ? zap_class+0x640/0x640
[  391.968635]  ? find_held_lock+0x36/0x1c0
[  391.972703]  ? handle_mm_fault+0x42a/0xc70
[  391.976932]  ? lock_downgrade+0x900/0x900
[  391.981078]  ? check_preemption_disabled+0x48/0x280
[  391.986092]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.991014]  ? kasan_check_read+0x11/0x20
[  391.995161]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.000441]  ? rcu_softirq_qs+0x20/0x20
[  392.004408]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.009505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.015037]  ? check_preemption_disabled+0x48/0x280
[  392.020056]  handle_mm_fault+0x54f/0xc70
[  392.024119]  ? __handle_mm_fault+0x5be0/0x5be0
[  392.028701]  ? find_vma+0x34/0x190
[  392.032241]  __do_page_fault+0x5e8/0xe60
[  392.036300]  ? exit_to_usermode_loop+0x1f4/0x380
[  392.041057]  do_page_fault+0xf2/0x7e0
[  392.044860]  ? vmalloc_sync_all+0x30/0x30
[  392.049022]  ? error_entry+0x70/0xd0
[  392.052732]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.057741]  ? trace_hardirqs_on_caller+0xc0/0x310
[  392.062667]  ? syscall_return_slowpath+0x5e0/0x5e0
[  392.067589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.072428]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.077438]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  392.082888]  ? prepare_exit_to_usermode+0x291/0x3b0
[  392.087902]  ? page_fault+0x8/0x30
[  392.091439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.096280]  ? page_fault+0x8/0x30
[  392.099829]  page_fault+0x1e/0x30
[  392.103276] RIP: 0033:0x45db60
[  392.106474] Code: Bad RIP value.
[  392.109830] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  392.115188] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  392.122450] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  392.129716] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  392.136979] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  392.144246] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  392.151537] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  392.151542] warn_alloc_show_mem: 1 callbacks suppressed
[  392.151548] Mem-Info:
[  392.158907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.164281] active_anon:52805 inactive_anon:249 isolated_anon:0
[  392.164281]  active_file:17 inactive_file:10 isolated_file:0
[  392.164281]  unevictable:0 dirty:0 writeback:0 unstable:0
[  392.164281]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  392.164281]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  392.164281]  free:13758 free_pcp:272 free_cma:0
[  392.166654] Call Trace:
[  392.176028] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  392.208865]  <IRQ>
[  392.211427] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  392.239004]  dump_stack+0x244/0x39d
[  392.241125] lowmem_reserve[]: 0 2818 6321 6321
[  392.267232]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.270829] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  392.275412]  warn_alloc.cold.116+0xb7/0x1bd
[  392.280564] lowmem_reserve[]: 0 0 3503 3503
[  392.307879]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.312177] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  392.316492]  ? lock_downgrade+0x900/0x900
[  392.321297] lowmem_reserve[]: 0 0 0 0
[  392.350185]  ? trace_hardirqs_off+0xb8/0x310
[  392.354300] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  392.358097]  ? trace_hardirqs_off+0xb8/0x310
[  392.362473] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  392.375994]  __alloc_pages_slowpath+0x26e8/0x2e10
[  392.380363] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  392.395556]  ? warn_alloc+0x120/0x120
[  392.400356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  392.415768]  ? print_usage_bug+0xc0/0xc0
[  392.419544] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  392.428360]  ? warn_alloc+0x120/0x120
[  392.432394] 326 total pagecache pages
[  392.440957]  ? warn_alloc+0x120/0x120
[  392.444737] 0 pages in swap cache
[  392.448519]  ? print_usage_bug+0xc0/0xc0
[  392.452295] Swap cache stats: add 0, delete 0, find 0/0
[  392.455735]  ? print_usage_bug+0xc0/0xc0
[  392.459766] Free swap  = 0kB
[  392.465114]  ? __lock_acquire+0x62f/0x4c20
[  392.469156] Total swap = 0kB
[  392.472162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.476383] 1965979 pages RAM
[  392.479390]  ? should_fail+0x22d/0xd01
[  392.484893] 0 pages HighMem/MovableOnly
[  392.484900] 342854 pages reserved
[  392.487997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.491856] 0 pages cma reserved
[  392.495820]  ? __lock_acquire+0x62f/0x4c20
[  392.499296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.504335]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.507746] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.511899]  ? __lock_acquire+0x62f/0x4c20
[  392.518364] syz-fuzzer cpuset=/ mems_allowed=0
[  392.523447]  ? should_fail+0x22d/0xd01
[  392.523462]  ? find_held_lock+0x36/0x1c0
[  392.550362]  ? mark_held_locks+0x130/0x130
[  392.554597]  ? mark_held_locks+0x130/0x130
[  392.558824]  ? zap_class+0x640/0x640
[  392.562543]  ? zap_class+0x640/0x640
[  392.566257]  ? print_usage_bug+0xc0/0xc0
[  392.570313]  ? do_raw_spin_unlock+0xa7/0x330
[  392.574719]  ? zap_class+0x640/0x640
[  392.578432]  ? print_usage_bug+0xc0/0xc0
[  392.582488]  ? wq_watchdog_touch+0x9c/0xfe
[  392.586724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.592259]  ? check_preemption_disabled+0x48/0x280
[  392.597280]  ? __lock_is_held+0xb5/0x140
[  392.601343]  __alloc_pages_nodemask+0xa80/0xde0
[  392.606009]  ? zap_class+0x640/0x640
[  392.609726]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.614750]  ? find_held_lock+0x36/0x1c0
[  392.618817]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.623480]  ? lock_downgrade+0x900/0x900
[  392.627629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.633175]  cache_grow_begin+0xa5/0x8c0
[  392.637231]  ? do_raw_spin_unlock+0xa7/0x330
[  392.641650]  fallback_alloc+0x204/0x2e0
[  392.645624]  ____cache_alloc_node+0x1c7/0x1e0
[  392.650128]  kmem_cache_alloc_node+0xe3/0x730
[  392.654620]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.658864]  __alloc_skb+0x119/0x770
[  392.662571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.667846]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.672712]  ? lock_downgrade+0x900/0x900
[  392.676864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.682399]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.687847]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.693293]  ? addrconf_rs_timer+0x690/0x690
[  392.697708]  ndisc_alloc_skb+0x144/0x340
[  392.701770]  ndisc_send_rs+0x331/0x6e0
[  392.705661]  addrconf_rs_timer+0x314/0x690
[  392.709896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.714141]  call_timer_fn+0x272/0x920
[  392.718021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.722264]  ? process_timeout+0x40/0x40
[  392.726328]  ? __run_timers+0x7da/0xc70
[  392.730298]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.734875]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.739367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.743600]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.748182]  ? trace_hardirqs_on+0xbd/0x310
[  392.752498]  ? kasan_check_read+0x11/0x20
[  392.756644]  ? __run_timers+0x7da/0xc70
[  392.760613]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.765719]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.769958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.774186]  __run_timers+0x7e5/0xc70
[  392.777989]  ? timer_fixup_init+0x70/0x70
[  392.782135]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  392.787149]  ? zap_class+0x640/0x640
[  392.790860]  ? enqueue_hrtimer+0x1a5/0x560
[  392.795104]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  392.800296]  ? find_held_lock+0x36/0x1c0
[  392.804359]  ? zap_class+0x640/0x640
[  392.808076]  ? pvclock_read_flags+0x160/0x160
[  392.812573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.818113]  ? check_preemption_disabled+0x48/0x280
[  392.823138]  ? __lock_is_held+0xb5/0x140
[  392.827198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.832740]  ? check_preemption_disabled+0x48/0x280
[  392.837754]  run_timer_softirq+0x52/0xb0
[  392.841815]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.846827]  __do_softirq+0x308/0xb7e
[  392.850633]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  392.855128]  ? lock_downgrade+0x900/0x900
[  392.859274]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.864378]  ? pvclock_read_flags+0x160/0x160
[  392.868869]  ? lapic_next_event+0x5a/0x90
[  392.873015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.878550]  ? kvm_clock_read+0x18/0x30
[  392.882519]  ? kvm_sched_clock_read+0x9/0x20
[  392.886924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.892457]  ? check_preemption_disabled+0x48/0x280
[  392.897476]  irq_exit+0x17f/0x1c0
[  392.900926]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.905765]  ? smp_call_function_single_interrupt+0x159/0x650
[  392.911649]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.917530]  ? interrupt_entry+0xb5/0xc0
[  392.921590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.926604]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.931625]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.936462]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.941475]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.946490]  ? task_prio+0x50/0x50
[  392.950030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.955565]  ? check_preemption_disabled+0x48/0x280
[  392.960584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.965436]  apic_timer_interrupt+0xf/0x20
[  392.969662]  </IRQ>
[  392.971896] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  392.977776] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  392.996669] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  393.004370] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  393.011638] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  393.018899] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  393.026164] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  393.033426] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  393.040732]  ? save_stack+0xa9/0xd0
[  393.044365]  __kmalloc_node_track_caller+0x3c/0x70
[  393.049292]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  393.054047]  pskb_expand_head+0x230/0x10f0
[  393.058290]  ? memcpy+0x45/0x50
[  393.061571]  ? __copy_skb_header+0x350/0x6b0
[  393.065977]  ? skb_release_data+0x880/0x880
[  393.070296]  ? __alloc_skb+0x770/0x770
[  393.074191]  ? __lock_is_held+0xb5/0x140
[  393.078253]  ? kasan_check_write+0x14/0x20
[  393.082485]  ? __skb_clone+0x6c7/0xa00
[  393.086369]  ? __copy_skb_header+0x6b0/0x6b0
[  393.090772]  ? kmem_cache_alloc+0x33a/0x730
[  393.095107]  skb_ensure_writable+0x3dd/0x640
[  393.099519]  ? skb_checksum_setup+0xaa0/0xaa0
[  393.104380]  ? check_preemption_disabled+0x48/0x280
[  393.109398]  ? __this_cpu_preempt_check+0x1c/0x20
[  393.114240]  ? __bpf_redirect+0x54b/0xb20
[  393.118393]  bpf_clone_redirect+0x14a/0x490
[  393.122719]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  393.127734]  ? __sched_text_start+0x8/0x8
[  393.131880]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.136455]  ? retint_kernel+0x2d/0x2d
[  393.140340]  ? trace_hardirqs_on_caller+0xc0/0x310
[  393.145271]  ? find_held_lock+0x36/0x1c0
[  393.149338]  ? lock_acquire+0x1ed/0x520
[  393.153313]  ? bpf_test_run+0x3cb/0x780
[  393.157286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.162818]  ? check_preemption_disabled+0x48/0x280
[  393.167832]  ? kasan_check_read+0x11/0x20
[  393.171975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.177246]  ? rcu_softirq_qs+0x20/0x20
[  393.181217]  ? preempt_schedule+0x4d/0x60
[  393.185362]  ? ___preempt_schedule+0x16/0x18
[  393.189771]  ? bpf_test_run+0x25d/0x780
[  393.193754]  ? netlink_diag_dump+0x2a0/0x2a0
[  393.198168]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  393.202932]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  393.207773]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  393.213303]  ? fput+0x130/0x1a0
[  393.216582]  ? __bpf_prog_get+0x9b/0x290
[  393.220644]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  393.225479]  ? bpf_prog_test_run+0x130/0x1a0
[  393.229888]  ? __x64_sys_bpf+0x3d8/0x520
[  393.233944]  ? bpf_prog_get+0x20/0x20
[  393.237750]  ? do_syscall_64+0x142/0x820
[  393.241810]  ? do_syscall_64+0x1b9/0x820
[  393.245868]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  393.251232]  ? syscall_return_slowpath+0x5e0/0x5e0
[  393.256198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.261039]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.266063]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  393.271098]  ? prepare_exit_to_usermode+0x291/0x3b0
[  393.276121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.280969]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  393.286352] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  393.286413] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.293364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.293369] Call Trace:
[  393.293375]  <IRQ>
[  393.293391]  dump_stack+0x244/0x39d
[  393.293410]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.299947] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.309231]  warn_alloc.cold.116+0xb7/0x1bd
[  393.311779] syz-executor1 cpuset=syz1 mems_allowed=0
[  393.313918]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.347391]  ? lock_downgrade+0x900/0x900
[  393.351544]  ? trace_hardirqs_off+0xb8/0x310
[  393.355956]  ? trace_hardirqs_off+0xb8/0x310
[  393.360369]  __alloc_pages_slowpath+0x26e8/0x2e10
[  393.365236]  ? warn_alloc+0x120/0x120
[  393.369033]  ? print_usage_bug+0xc0/0xc0
[  393.373099]  ? warn_alloc+0x120/0x120
[  393.376903]  ? warn_alloc+0x120/0x120
[  393.380715]  ? print_usage_bug+0xc0/0xc0
[  393.384771]  ? kvm_clock_read+0x18/0x30
[  393.388740]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.393770]  ? print_usage_bug+0xc0/0xc0
[  393.397829]  ? __lock_acquire+0x62f/0x4c20
[  393.402081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.407614]  ? should_fail+0x22d/0xd01
[  393.411496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.416773]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.421872]  ? __lock_acquire+0x62f/0x4c20
[  393.426194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.431293]  ? __lock_acquire+0x62f/0x4c20
[  393.435522]  ? should_fail+0x22d/0xd01
[  393.439403]  ? rcu_irq_exit+0x1a2/0x390
[  393.443379]  ? mark_held_locks+0x130/0x130
[  393.447614]  ? mark_held_locks+0x130/0x130
[  393.451851]  ? mark_held_locks+0xc7/0x130
[  393.455993]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  393.461020]  ? zap_class+0x640/0x640
[  393.464736]  ? print_usage_bug+0xc0/0xc0
[  393.468797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.474331]  ? check_preemption_disabled+0x48/0x280
[  393.479350]  ? __lock_is_held+0xb5/0x140
[  393.483413]  __alloc_pages_nodemask+0xa80/0xde0
[  393.488085]  ? zap_class+0x640/0x640
[  393.491798]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.496823]  ? find_held_lock+0x36/0x1c0
[  393.500891]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.506085]  ? lock_downgrade+0x900/0x900
[  393.510262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.515799]  cache_grow_begin+0xa5/0x8c0
[  393.519857]  ? do_raw_spin_unlock+0xa7/0x330
[  393.524271]  fallback_alloc+0x204/0x2e0
[  393.528247]  ____cache_alloc_node+0x1c7/0x1e0
[  393.532743]  kmem_cache_alloc_node+0xe3/0x730
[  393.537239]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.541483]  __alloc_skb+0x119/0x770
[  393.545192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.550472]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.554877]  ? lock_downgrade+0x900/0x900
[  393.559040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.564577]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.570036]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.575487]  ? addrconf_rs_timer+0x690/0x690
[  393.579906]  ndisc_alloc_skb+0x144/0x340
[  393.583966]  ndisc_send_rs+0x331/0x6e0
[  393.587855]  addrconf_rs_timer+0x314/0x690
[  393.592098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.596340]  call_timer_fn+0x272/0x920
[  393.600222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.604455]  ? process_timeout+0x40/0x40
[  393.608523]  ? mark_held_locks+0xc7/0x130
[  393.612672]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.617160]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.621646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.625876]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.630454]  ? trace_hardirqs_on+0xbd/0x310
[  393.634773]  ? kasan_check_read+0x11/0x20
[  393.638916]  ? __run_timers+0x7da/0xc70
[  393.642884]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.647988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.652226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.656467]  __run_timers+0x7e5/0xc70
[  393.660272]  ? timer_fixup_init+0x70/0x70
[  393.664416]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  393.669431]  ? zap_class+0x640/0x640
[  393.673144]  ? print_usage_bug+0xc0/0xc0
[  393.677201]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  393.682392]  ? find_held_lock+0x36/0x1c0
[  393.686455]  ? zap_class+0x640/0x640
[  393.690168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.695701]  ? check_preemption_disabled+0x48/0x280
[  393.700720]  ? __lock_is_held+0xb5/0x140
[  393.704780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.710312]  ? check_preemption_disabled+0x48/0x280
[  393.715328]  run_timer_softirq+0x52/0xb0
[  393.719383]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.724396]  __do_softirq+0x308/0xb7e
[  393.728203]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  393.732691]  ? lock_downgrade+0x900/0x900
[  393.736838]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.741944]  ? pvclock_read_flags+0x160/0x160
[  393.746436]  ? lapic_next_event+0x5a/0x90
[  393.750580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.756121]  ? kvm_clock_read+0x18/0x30
[  393.760089]  ? kvm_sched_clock_read+0x9/0x20
[  393.764501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.770038]  ? check_preemption_disabled+0x48/0x280
[  393.775068]  irq_exit+0x17f/0x1c0
[  393.778515]  smp_apic_timer_interrupt+0x1cb/0x760
[  393.783353]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.789230]  ? interrupt_entry+0xb5/0xc0
[  393.793292]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.798305]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.803316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.808156]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.813165]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.818179]  ? task_prio+0x50/0x50
[  393.821719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.827255]  ? check_preemption_disabled+0x48/0x280
[  393.832269]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.837114]  apic_timer_interrupt+0xf/0x20
[  393.841340]  </IRQ>
[  393.843574] RIP: 0010:dump_stack+0x358/0x39d
[  393.847979] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  393.866880] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  393.874581] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  393.881846] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  393.889109] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  393.896371] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  393.903633] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  393.910913]  ? dump_stack+0x34f/0x39d
[  393.914734]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.919919]  ? mark_held_locks+0x130/0x130
[  393.924147]  ? mark_held_locks+0x130/0x130
[  393.928380]  dump_header+0x27b/0xf72
[  393.932101]  ? pagefault_out_of_memory+0x197/0x197
[  393.937046]  ? __lock_acquire+0x62f/0x4c20
[  393.941279]  ? percpu_ref_get_many+0x240/0x240
[  393.945857]  ? print_usage_bug+0xc0/0xc0
[  393.949919]  ? zap_class+0x640/0x640
[  393.953639]  ? print_usage_bug+0xc0/0xc0
[  393.957693]  ? print_usage_bug+0xc0/0xc0
[  393.961751]  ? zap_class+0x640/0x640
[  393.965463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.971005]  ? find_held_lock+0x36/0x1c0
[  393.975073]  ? mark_held_locks+0xc7/0x130
[  393.979304]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.984399]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.989500]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.994078]  ? trace_hardirqs_on+0xbd/0x310
[  393.998394]  ? kasan_check_read+0x11/0x20
[  394.002536]  ? ___ratelimit+0x3b4/0x672
[  394.006509]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.011607]  ? trace_hardirqs_on+0x310/0x310
[  394.016018]  ? lock_downgrade+0x900/0x900
[  394.020174]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  394.025270]  ? ___ratelimit+0x3b9/0x672
[  394.029240]  ? idr_get_free+0xf70/0xf70
[  394.033209]  ? find_held_lock+0x36/0x1c0
[  394.037275]  oom_kill_process.cold.27+0x10/0x903
[  394.042030]  ? zap_class+0x640/0x640
[  394.045738]  ? check_preemption_disabled+0x48/0x280
[  394.050750]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.055687]  ? kasan_check_read+0x11/0x20
[  394.059830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.065103]  ? oom_evaluate_task+0x540/0x540
[  394.069511]  ? find_held_lock+0x36/0x1c0
[  394.073573]  ? out_of_memory+0x974/0x1430
[  394.077718]  ? lock_downgrade+0x900/0x900
[  394.081860]  ? check_preemption_disabled+0x48/0x280
[  394.086874]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.091797]  ? kasan_check_read+0x11/0x20
[  394.095946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.101218]  ? rcu_softirq_qs+0x20/0x20
[  394.105195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.110725]  ? oom_evaluate_task+0x302/0x540
[  394.115138]  out_of_memory+0xa84/0x1430
[  394.119117]  ? oom_killer_disable+0x3a0/0x3a0
[  394.123607]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  394.128557]  ? __ww_mutex_check_waiters+0x160/0x160
[  394.133583]  __alloc_pages_slowpath+0x2354/0x2e10
[  394.138446]  ? warn_alloc+0x120/0x120
[  394.142241]  ? mark_held_locks+0x130/0x130
[  394.146477]  ? find_get_entry+0xaae/0x1120
[  394.150716]  ? filemap_map_pages+0x1a20/0x1a20
[  394.155300]  ? zap_class+0x640/0x640
[  394.159025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.164558]  ? check_preemption_disabled+0x48/0x280
[  394.169574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.175108]  ? should_fail+0x22d/0xd01
[  394.179003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.184107]  ? zap_class+0x640/0x640
[  394.187840]  ? __lock_is_held+0xb5/0x140
[  394.191906]  ? mark_held_locks+0x130/0x130
[  394.196142]  ? lock_release+0xa00/0xa00
[  394.200111]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.205559]  ? xa_load+0x2ba/0x460
[  394.209095]  ? lock_downgrade+0x900/0x900
[  394.213244]  ? __might_sleep+0x95/0x190
[  394.217216]  __alloc_pages_nodemask+0xa80/0xde0
[  394.221885]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.226900]  ? __page_cache_alloc+0x191/0x5c0
[  394.231391]  ? xa_load+0x2e1/0x460
[  394.234930]  ? xa_clear_mark+0x40/0x40
[  394.238818]  ? zap_class+0x640/0x640
[  394.242534]  ? zap_class+0x640/0x640
[  394.246241]  ? zap_class+0x640/0x640
[  394.249948]  ? __do_page_cache_readahead+0x663/0x810
[  394.255056]  ? find_held_lock+0x36/0x1c0
[  394.259119]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  394.264655]  alloc_pages_current+0x173/0x350
[  394.269063]  __page_cache_alloc+0x38c/0x5c0
[  394.273378]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.278303]  ? kasan_check_read+0x11/0x20
[  394.282459]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.287737]  ? generic_perform_write+0x6a0/0x6a0
[  394.292487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.298023]  ? check_preemption_disabled+0x48/0x280
[  394.303044]  filemap_fault+0x1595/0x25f0
[  394.307116]  ? __lock_page_or_retry+0xa00/0xa00
[  394.311786]  ? mark_held_locks+0x130/0x130
[  394.316029]  ? filemap_map_pages+0xd6b/0x1a20
[  394.320530]  ? lock_downgrade+0x900/0x900
[  394.324674]  ? check_preemption_disabled+0x48/0x280
[  394.329688]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.334612]  ? kasan_check_read+0x11/0x20
[  394.338757]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.344029]  ? rcu_softirq_qs+0x20/0x20
[  394.348015]  ? filemap_map_pages+0xd92/0x1a20
[  394.352513]  ? print_usage_bug+0xc0/0xc0
[  394.356575]  ? find_get_entries_tag+0x1400/0x1400
[  394.361411]  ? __kasan_slab_free+0x102/0x150
[  394.365813]  ? kasan_slab_free+0xe/0x10
[  394.369780]  ? kmem_cache_free+0x83/0x290
[  394.373926]  ? __sigqueue_free.part.29+0x74/0x90
[  394.378694]  ? lock_acquire+0x1ed/0x520
[  394.382665]  ? ext4_filemap_fault+0x7a/0xad
[  394.386993]  ? lock_release+0xa00/0xa00
[  394.390974]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.396425]  ? print_usage_bug+0xc0/0xc0
[  394.400483]  ? print_usage_bug+0xc0/0xc0
[  394.404549]  ? down_read+0x8d/0x120
[  394.408183]  ? ext4_filemap_fault+0x7a/0xad
[  394.412499]  ? __down_interruptible+0x700/0x700
[  394.417173]  ext4_filemap_fault+0x82/0xad
[  394.421322]  __do_fault+0x100/0x6b0
[  394.424948]  ? pmd_devmap_trans_unstable+0x220/0x220
[  394.430053]  ? mark_held_locks+0x130/0x130
[  394.434284]  ? mark_held_locks+0x130/0x130
[  394.438514]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  394.444051]  ? rcu_pm_notify+0xc0/0xc0
[  394.447938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.453485]  __handle_mm_fault+0x3ea0/0x5be0
[  394.457900]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  394.462739]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.467230]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.471812]  ? trace_hardirqs_on+0xbd/0x310
[  394.476131]  ? kasan_check_read+0x11/0x20
[  394.480277]  ? __set_current_blocked+0xdf/0x120
[  394.484944]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.490064]  ? zap_class+0x640/0x640
[  394.493772]  ? zap_class+0x640/0x640
[  394.497488]  ? find_held_lock+0x36/0x1c0
[  394.501554]  ? handle_mm_fault+0x42a/0xc70
[  394.505785]  ? lock_downgrade+0x900/0x900
[  394.509927]  ? check_preemption_disabled+0x48/0x280
[  394.514948]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.519883]  ? kasan_check_read+0x11/0x20
[  394.524025]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.529296]  ? rcu_softirq_qs+0x20/0x20
[  394.533265]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.538363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.543895]  ? check_preemption_disabled+0x48/0x280
[  394.548912]  handle_mm_fault+0x54f/0xc70
[  394.552980]  ? __handle_mm_fault+0x5be0/0x5be0
[  394.557572]  ? find_vma+0x34/0x190
[  394.561113]  __do_page_fault+0x5e8/0xe60
[  394.565176]  ? exit_to_usermode_loop+0x1f4/0x380
[  394.569941]  do_page_fault+0xf2/0x7e0
[  394.573748]  ? vmalloc_sync_all+0x30/0x30
[  394.577895]  ? error_entry+0x70/0xd0
[  394.581781]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.586793]  ? trace_hardirqs_on_caller+0xc0/0x310
[  394.591720]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.596642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.601481]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.606495]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.611969]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.616997]  ? page_fault+0x8/0x30
[  394.620536]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.625380]  ? page_fault+0x8/0x30
[  394.628915]  page_fault+0x1e/0x30
[  394.632367] RIP: 0033:0x45db60
[  394.635569] Code: Bad RIP value.
[  394.638923] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  394.644283] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  394.651548] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  394.658816] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  394.666079] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  394.673693] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  394.681003] warn_alloc_show_mem: 1 callbacks suppressed
[  394.681013] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  394.681014] Mem-Info:
[  394.681045] active_anon:52805 inactive_anon:249 isolated_anon:0
[  394.681045]  active_file:17 inactive_file:10 isolated_file:0
[  394.681045]  unevictable:0 dirty:0 writeback:0 unstable:0
[  394.681045]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  394.681045]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  394.681045]  free:13758 free_pcp:272 free_cma:0
[  394.686381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.693740] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  394.696128] Call Trace:
[  394.728983] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  394.738320]  <IRQ>
[  394.766052] lowmem_reserve[]: 0 2818 6321 6321
[  394.768630]  dump_stack+0x244/0x39d
[  394.794703] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  394.796851]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.801396] lowmem_reserve[]: 0 0 3503 3503
[  394.805029]  warn_alloc.cold.116+0xb7/0x1bd
[  394.832309] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  394.837498]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.841789] lowmem_reserve[]: 0 0 0 0
[  394.846103]  ? lock_downgrade+0x900/0x900
[  394.874970] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  394.879811]  ? trace_hardirqs_off+0xb8/0x310
[  394.883576] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  394.887719]  ? trace_hardirqs_off+0xb8/0x310
[  394.901209] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  394.905616]  __alloc_pages_slowpath+0x26e8/0x2e10
[  394.920758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  394.925175]  ? warn_alloc+0x120/0x120
[  394.940563] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  394.945389]  ? print_usage_bug+0xc0/0xc0
[  394.954209] 326 total pagecache pages
[  394.957995]  ? warn_alloc+0x120/0x120
[  394.966636] 0 pages in swap cache
[  394.970677]  ? warn_alloc+0x120/0x120
[  394.974449] Swap cache stats: add 0, delete 0, find 0/0
[  394.978235]  ? print_usage_bug+0xc0/0xc0
[  394.981657] Free swap  = 0kB
[  394.985446]  ? kvm_clock_read+0x18/0x30
[  394.990783] Total swap = 0kB
[  394.994843]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  394.997834] 1965979 pages RAM
[  395.001793]  ? print_usage_bug+0xc0/0xc0
[  395.004780] 0 pages HighMem/MovableOnly
[  395.004787] 342854 pages reserved
[  395.009908]  ? __lock_acquire+0x62f/0x4c20
[  395.012989] 0 pages cma reserved
[  395.017041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.021078] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.024425]  ? should_fail+0x22d/0xd01
[  395.028708] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.031983]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.037491] syz-fuzzer cpuset=/ mems_allowed=0
[  395.043973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.072955]  ? __lock_acquire+0x62f/0x4c20
[  395.077193]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.082287]  ? __lock_acquire+0x62f/0x4c20
[  395.086516]  ? should_fail+0x22d/0xd01
[  395.090404]  ? rcu_irq_exit+0x1a2/0x390
[  395.094388]  ? mark_held_locks+0x130/0x130
[  395.098626]  ? mark_held_locks+0x130/0x130
[  395.102861]  ? mark_held_locks+0xc7/0x130
[  395.107003]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  395.112017]  ? zap_class+0x640/0x640
[  395.115728]  ? print_usage_bug+0xc0/0xc0
[  395.119792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.125323]  ? check_preemption_disabled+0x48/0x280
[  395.130343]  ? __lock_is_held+0xb5/0x140
[  395.134407]  __alloc_pages_nodemask+0xa80/0xde0
[  395.139076]  ? zap_class+0x640/0x640
[  395.142788]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  395.147810]  ? find_held_lock+0x36/0x1c0
[  395.151875]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.156549]  ? lock_downgrade+0x900/0x900
[  395.161133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.166671]  cache_grow_begin+0xa5/0x8c0
[  395.170726]  ? do_raw_spin_unlock+0xa7/0x330
[  395.175140]  fallback_alloc+0x204/0x2e0
[  395.179117]  ____cache_alloc_node+0x1c7/0x1e0
[  395.183622]  kmem_cache_alloc_node+0xe3/0x730
[  395.188112]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.192351]  __alloc_skb+0x119/0x770
[  395.196056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.201331]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.205733]  ? lock_downgrade+0x900/0x900
[  395.209882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.215418]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.220871]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.226322]  ? addrconf_rs_timer+0x690/0x690
[  395.230736]  ndisc_alloc_skb+0x144/0x340
[  395.234797]  ndisc_send_rs+0x331/0x6e0
[  395.238685]  addrconf_rs_timer+0x314/0x690
[  395.242924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.247165]  call_timer_fn+0x272/0x920
[  395.251048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.255276]  ? process_timeout+0x40/0x40
[  395.259340]  ? __run_timers+0x7da/0xc70
[  395.263315]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.267821]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.272313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.276543]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.281123]  ? trace_hardirqs_on+0xbd/0x310
[  395.285442]  ? kasan_check_read+0x11/0x20
[  395.289585]  ? __run_timers+0x7da/0xc70
[  395.293559]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.298663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.302906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.307133]  __run_timers+0x7e5/0xc70
[  395.310944]  ? timer_fixup_init+0x70/0x70
[  395.315089]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  395.320102]  ? zap_class+0x640/0x640
[  395.323817]  ? enqueue_hrtimer+0x1a5/0x560
[  395.328052]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  395.333242]  ? find_held_lock+0x36/0x1c0
[  395.337303]  ? zap_class+0x640/0x640
[  395.341015]  ? pvclock_read_flags+0x160/0x160
[  395.345509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.351041]  ? check_preemption_disabled+0x48/0x280
[  395.356061]  ? __lock_is_held+0xb5/0x140
[  395.360119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.365655]  ? check_preemption_disabled+0x48/0x280
[  395.370671]  run_timer_softirq+0x52/0xb0
[  395.374728]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.379738]  __do_softirq+0x308/0xb7e
[  395.383537]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  395.388029]  ? lock_downgrade+0x900/0x900
[  395.392178]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.397280]  ? pvclock_read_flags+0x160/0x160
[  395.401772]  ? lapic_next_event+0x5a/0x90
[  395.405923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.411464]  ? kvm_clock_read+0x18/0x30
[  395.415438]  ? kvm_sched_clock_read+0x9/0x20
[  395.419856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.425395]  ? check_preemption_disabled+0x48/0x280
[  395.430425]  irq_exit+0x17f/0x1c0
[  395.433883]  smp_apic_timer_interrupt+0x1cb/0x760
[  395.438722]  ? smp_call_function_single_interrupt+0x159/0x650
[  395.444606]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.450486]  ? interrupt_entry+0xb5/0xc0
[  395.454551]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.459563]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.464577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.469418]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.474429]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.479438]  ? task_prio+0x50/0x50
[  395.482975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.488509]  ? check_preemption_disabled+0x48/0x280
[  395.493525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.498373]  apic_timer_interrupt+0xf/0x20
[  395.502596]  </IRQ>
[  395.505212] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  395.511097] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  395.529992] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  395.537696] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  395.544960] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  395.552223] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  395.559485] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  395.566745] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  395.574043]  ? save_stack+0xa9/0xd0
[  395.577679]  __kmalloc_node_track_caller+0x3c/0x70
[  395.582607]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  395.587363]  pskb_expand_head+0x230/0x10f0
[  395.591598]  ? memcpy+0x45/0x50
[  395.594882]  ? __copy_skb_header+0x350/0x6b0
[  395.599286]  ? skb_release_data+0x880/0x880
[  395.603600]  ? __alloc_skb+0x770/0x770
[  395.607493]  ? __lock_is_held+0xb5/0x140
[  395.611574]  ? kasan_check_write+0x14/0x20
[  395.615803]  ? __skb_clone+0x6c7/0xa00
[  395.619688]  ? __copy_skb_header+0x6b0/0x6b0
[  395.624088]  ? kmem_cache_alloc+0x33a/0x730
[  395.628433]  skb_ensure_writable+0x3dd/0x640
[  395.632843]  ? skb_checksum_setup+0xaa0/0xaa0
[  395.637342]  ? check_preemption_disabled+0x48/0x280
[  395.642359]  ? __this_cpu_preempt_check+0x1c/0x20
[  395.647199]  ? __bpf_redirect+0x54b/0xb20
[  395.651351]  bpf_clone_redirect+0x14a/0x490
[  395.655705]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  395.660722]  ? __sched_text_start+0x8/0x8
[  395.664878]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.669454]  ? retint_kernel+0x2d/0x2d
[  395.673338]  ? trace_hardirqs_on_caller+0xc0/0x310
[  395.678268]  ? find_held_lock+0x36/0x1c0
[  395.682333]  ? lock_acquire+0x1ed/0x520
[  395.686304]  ? bpf_test_run+0x3cb/0x780
[  395.690276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.695808]  ? check_preemption_disabled+0x48/0x280
[  395.700824]  ? kasan_check_read+0x11/0x20
[  395.704978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.710250]  ? rcu_softirq_qs+0x20/0x20
[  395.714220]  ? preempt_schedule+0x4d/0x60
[  395.718378]  ? ___preempt_schedule+0x16/0x18
[  395.722791]  ? bpf_test_run+0x25d/0x780
[  395.726774]  ? netlink_diag_dump+0x2a0/0x2a0
[  395.731188]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  395.735950]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  395.740787]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  395.746319]  ? fput+0x130/0x1a0
[  395.749595]  ? __bpf_prog_get+0x9b/0x290
[  395.753654]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  395.758490]  ? bpf_prog_test_run+0x130/0x1a0
[  395.762898]  ? __x64_sys_bpf+0x3d8/0x520
[  395.766957]  ? bpf_prog_get+0x20/0x20
[  395.770761]  ? do_syscall_64+0x142/0x820
[  395.774827]  ? do_syscall_64+0x1b9/0x820
[  395.778903]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  395.784268]  ? syscall_return_slowpath+0x5e0/0x5e0
[  395.789191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.794031]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.799042]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  395.804081]  ? prepare_exit_to_usermode+0x291/0x3b0
[  395.809098]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.813942]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  395.819321] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  395.819389] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.826336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.826343] Call Trace:
[  395.832994] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.842255]  <IRQ>
[  395.844820] syz-executor1 cpuset=syz1 mems_allowed=0
[  395.855299]  dump_stack+0x244/0x39d
[  395.866127]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.871325]  warn_alloc.cold.116+0xb7/0x1bd
[  395.875646]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.880486]  ? lock_downgrade+0x900/0x900
[  395.884638]  ? trace_hardirqs_off+0xb8/0x310
[  395.889050]  ? trace_hardirqs_off+0xb8/0x310
[  395.893461]  __alloc_pages_slowpath+0x26e8/0x2e10
[  395.898329]  ? warn_alloc+0x120/0x120
[  395.902130]  ? print_usage_bug+0xc0/0xc0
[  395.906187]  ? warn_alloc+0x120/0x120
[  395.909994]  ? warn_alloc+0x120/0x120
[  395.913790]  ? print_usage_bug+0xc0/0xc0
[  395.917855]  ? kvm_clock_read+0x18/0x30
[  395.921829]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  395.926856]  ? print_usage_bug+0xc0/0xc0
[  395.930917]  ? __lock_acquire+0x62f/0x4c20
[  395.935152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.940685]  ? should_fail+0x22d/0xd01
[  395.944566]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.949853]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.954958]  ? __lock_acquire+0x62f/0x4c20
[  395.959191]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.964289]  ? __lock_acquire+0x62f/0x4c20
[  395.968519]  ? should_fail+0x22d/0xd01
[  395.972401]  ? rcu_irq_exit+0x1a2/0x390
[  395.976379]  ? mark_held_locks+0x130/0x130
[  395.980615]  ? mark_held_locks+0x130/0x130
[  395.984856]  ? mark_held_locks+0xc7/0x130
[  395.989000]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  395.994010]  ? zap_class+0x640/0x640
[  395.997722]  ? print_usage_bug+0xc0/0xc0
[  396.001785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.007318]  ? check_preemption_disabled+0x48/0x280
[  396.012342]  ? __lock_is_held+0xb5/0x140
[  396.016403]  __alloc_pages_nodemask+0xa80/0xde0
[  396.021065]  ? zap_class+0x640/0x640
[  396.024777]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.029802]  ? find_held_lock+0x36/0x1c0
[  396.033880]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.038544]  ? lock_downgrade+0x900/0x900
[  396.042696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.048233]  cache_grow_begin+0xa5/0x8c0
[  396.052288]  ? do_raw_spin_unlock+0xa7/0x330
[  396.056699]  fallback_alloc+0x204/0x2e0
[  396.060674]  ____cache_alloc_node+0x1c7/0x1e0
[  396.065173]  kmem_cache_alloc_node+0xe3/0x730
[  396.069666]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.073908]  __alloc_skb+0x119/0x770
[  396.077615]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.082897]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.087300]  ? lock_downgrade+0x900/0x900
[  396.091452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.096984]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.102437]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.107887]  ? addrconf_rs_timer+0x690/0x690
[  396.112302]  ndisc_alloc_skb+0x144/0x340
[  396.116363]  ndisc_send_rs+0x331/0x6e0
[  396.120253]  addrconf_rs_timer+0x314/0x690
[  396.124487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.128726]  call_timer_fn+0x272/0x920
[  396.132606]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.136839]  ? process_timeout+0x40/0x40
[  396.140908]  ? mark_held_locks+0xc7/0x130
[  396.145062]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.149550]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.154037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.158269]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.162863]  ? trace_hardirqs_on+0xbd/0x310
[  396.167182]  ? kasan_check_read+0x11/0x20
[  396.171327]  ? __run_timers+0x7da/0xc70
[  396.175296]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.180397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.184631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.188863]  __run_timers+0x7e5/0xc70
[  396.192669]  ? timer_fixup_init+0x70/0x70
[  396.196822]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.201844]  ? zap_class+0x640/0x640
[  396.205566]  ? print_usage_bug+0xc0/0xc0
[  396.209622]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.214824]  ? find_held_lock+0x36/0x1c0
[  396.218888]  ? zap_class+0x640/0x640
[  396.222605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.228140]  ? check_preemption_disabled+0x48/0x280
[  396.233160]  ? __lock_is_held+0xb5/0x140
[  396.237215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.242751]  ? check_preemption_disabled+0x48/0x280
[  396.247768]  run_timer_softirq+0x52/0xb0
[  396.251831]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.256852]  __do_softirq+0x308/0xb7e
[  396.260650]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.265138]  ? lock_downgrade+0x900/0x900
[  396.269314]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.274429]  ? pvclock_read_flags+0x160/0x160
[  396.278927]  ? lapic_next_event+0x5a/0x90
[  396.283073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.288612]  ? kvm_clock_read+0x18/0x30
[  396.292584]  ? kvm_sched_clock_read+0x9/0x20
[  396.296989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.302525]  ? check_preemption_disabled+0x48/0x280
[  396.307545]  irq_exit+0x17f/0x1c0
[  396.310997]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.315848]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.321725]  ? interrupt_entry+0xb5/0xc0
[  396.325783]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.330800]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.335830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.340672]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.345680]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.350690]  ? task_prio+0x50/0x50
[  396.354228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.359766]  ? check_preemption_disabled+0x48/0x280
[  396.364784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.369645]  apic_timer_interrupt+0xf/0x20
[  396.373868]  </IRQ>
[  396.376102] RIP: 0010:dump_stack+0x358/0x39d
[  396.380506] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  396.399401] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  396.407106] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  396.414369] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  396.421632] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  396.428899] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  396.436161] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  396.443441]  ? dump_stack+0x34f/0x39d
[  396.447249]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.452437]  ? mark_held_locks+0x130/0x130
[  396.456667]  ? mark_held_locks+0x130/0x130
[  396.460904]  dump_header+0x27b/0xf72
[  396.464622]  ? pagefault_out_of_memory+0x197/0x197
[  396.469562]  ? __lock_acquire+0x62f/0x4c20
[  396.473801]  ? percpu_ref_get_many+0x240/0x240
[  396.478383]  ? print_usage_bug+0xc0/0xc0
[  396.482444]  ? zap_class+0x640/0x640
[  396.486152]  ? print_usage_bug+0xc0/0xc0
[  396.490205]  ? print_usage_bug+0xc0/0xc0
[  396.494262]  ? zap_class+0x640/0x640
[  396.497972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.503522]  ? find_held_lock+0x36/0x1c0
[  396.507916]  ? mark_held_locks+0xc7/0x130
[  396.512064]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.517161]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.522258]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.526843]  ? trace_hardirqs_on+0xbd/0x310
[  396.531160]  ? kasan_check_read+0x11/0x20
[  396.535302]  ? ___ratelimit+0x3b4/0x672
[  396.539277]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.544384]  ? trace_hardirqs_on+0x310/0x310
[  396.548794]  ? lock_downgrade+0x900/0x900
[  396.552949]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  396.558049]  ? ___ratelimit+0x3b9/0x672
[  396.562024]  ? idr_get_free+0xf70/0xf70
[  396.565997]  ? find_held_lock+0x36/0x1c0
[  396.570063]  oom_kill_process.cold.27+0x10/0x903
[  396.574824]  ? zap_class+0x640/0x640
[  396.578533]  ? check_preemption_disabled+0x48/0x280
[  396.583545]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.588472]  ? kasan_check_read+0x11/0x20
[  396.592612]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.597884]  ? oom_evaluate_task+0x540/0x540
[  396.602295]  ? find_held_lock+0x36/0x1c0
[  396.606358]  ? out_of_memory+0x974/0x1430
[  396.610634]  ? lock_downgrade+0x900/0x900
[  396.614791]  ? check_preemption_disabled+0x48/0x280
[  396.619820]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.624747]  ? kasan_check_read+0x11/0x20
[  396.628890]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.634162]  ? rcu_softirq_qs+0x20/0x20
[  396.638139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.643673]  ? oom_evaluate_task+0x302/0x540
[  396.648080]  out_of_memory+0xa84/0x1430
[  396.652061]  ? oom_killer_disable+0x3a0/0x3a0
[  396.656552]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  396.661484]  ? __ww_mutex_check_waiters+0x160/0x160
[  396.666506]  __alloc_pages_slowpath+0x2354/0x2e10
[  396.671372]  ? warn_alloc+0x120/0x120
[  396.675629]  ? mark_held_locks+0x130/0x130
[  396.679871]  ? find_get_entry+0xaae/0x1120
[  396.684114]  ? filemap_map_pages+0x1a20/0x1a20
[  396.688746]  ? zap_class+0x640/0x640
[  396.692468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.698003]  ? check_preemption_disabled+0x48/0x280
[  396.703013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.708544]  ? should_fail+0x22d/0xd01
[  396.712428]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.717530]  ? zap_class+0x640/0x640
[  396.721261]  ? __lock_is_held+0xb5/0x140
[  396.725325]  ? mark_held_locks+0x130/0x130
[  396.729561]  ? lock_release+0xa00/0xa00
[  396.733535]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.738980]  ? xa_load+0x2ba/0x460
[  396.742514]  ? lock_downgrade+0x900/0x900
[  396.746661]  ? __might_sleep+0x95/0x190
[  396.750638]  __alloc_pages_nodemask+0xa80/0xde0
[  396.755310]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.760321]  ? __page_cache_alloc+0x191/0x5c0
[  396.764817]  ? xa_load+0x2e1/0x460
[  396.768353]  ? xa_clear_mark+0x40/0x40
[  396.772240]  ? zap_class+0x640/0x640
[  396.775959]  ? zap_class+0x640/0x640
[  396.779668]  ? zap_class+0x640/0x640
[  396.783382]  ? __do_page_cache_readahead+0x663/0x810
[  396.788484]  ? find_held_lock+0x36/0x1c0
[  396.792546]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  396.798084]  alloc_pages_current+0x173/0x350
[  396.802493]  __page_cache_alloc+0x38c/0x5c0
[  396.806811]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.811735]  ? kasan_check_read+0x11/0x20
[  396.815887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.821158]  ? generic_perform_write+0x6a0/0x6a0
[  396.825913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.831451]  ? check_preemption_disabled+0x48/0x280
[  396.836469]  filemap_fault+0x1595/0x25f0
[  396.840540]  ? __lock_page_or_retry+0xa00/0xa00
[  396.845208]  ? mark_held_locks+0x130/0x130
[  396.849447]  ? filemap_map_pages+0xd6b/0x1a20
[  396.853939]  ? lock_downgrade+0x900/0x900
[  396.858079]  ? check_preemption_disabled+0x48/0x280
[  396.863091]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.868017]  ? kasan_check_read+0x11/0x20
[  396.872162]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.877435]  ? rcu_softirq_qs+0x20/0x20
[  396.881417]  ? filemap_map_pages+0xd92/0x1a20
[  396.885915]  ? print_usage_bug+0xc0/0xc0
[  396.889978]  ? find_get_entries_tag+0x1400/0x1400
[  396.894819]  ? __kasan_slab_free+0x102/0x150
[  396.899220]  ? kasan_slab_free+0xe/0x10
[  396.903188]  ? kmem_cache_free+0x83/0x290
[  396.907331]  ? __sigqueue_free.part.29+0x74/0x90
[  396.912097]  ? lock_acquire+0x1ed/0x520
[  396.916066]  ? ext4_filemap_fault+0x7a/0xad
[  396.920392]  ? lock_release+0xa00/0xa00
[  396.924364]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.929812]  ? print_usage_bug+0xc0/0xc0
[  396.933871]  ? print_usage_bug+0xc0/0xc0
[  396.937941]  ? down_read+0x8d/0x120
[  396.941558]  ? ext4_filemap_fault+0x7a/0xad
[  396.945876]  ? __down_interruptible+0x700/0x700
[  396.950548]  ext4_filemap_fault+0x82/0xad
[  396.954693]  __do_fault+0x100/0x6b0
[  396.958323]  ? pmd_devmap_trans_unstable+0x220/0x220
[  396.963423]  ? mark_held_locks+0x130/0x130
[  396.967658]  ? mark_held_locks+0x130/0x130
[  396.971889]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  396.977422]  ? rcu_pm_notify+0xc0/0xc0
[  396.981311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.986847]  __handle_mm_fault+0x3ea0/0x5be0
[  396.991258]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  396.996096]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.000587]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.005165]  ? trace_hardirqs_on+0xbd/0x310
[  397.009479]  ? kasan_check_read+0x11/0x20
[  397.013618]  ? __set_current_blocked+0xdf/0x120
[  397.018283]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.023391]  ? zap_class+0x640/0x640
[  397.027097]  ? zap_class+0x640/0x640
[  397.030813]  ? find_held_lock+0x36/0x1c0
[  397.034878]  ? handle_mm_fault+0x42a/0xc70
[  397.039108]  ? lock_downgrade+0x900/0x900
[  397.043251]  ? check_preemption_disabled+0x48/0x280
[  397.048277]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.053199]  ? kasan_check_read+0x11/0x20
[  397.057344]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.062629]  ? rcu_softirq_qs+0x20/0x20
[  397.066599]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.071703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.077237]  ? check_preemption_disabled+0x48/0x280
[  397.082256]  handle_mm_fault+0x54f/0xc70
[  397.086315]  ? __handle_mm_fault+0x5be0/0x5be0
[  397.090913]  ? find_vma+0x34/0x190
[  397.094454]  __do_page_fault+0x5e8/0xe60
[  397.098529]  ? exit_to_usermode_loop+0x1f4/0x380
[  397.103288]  do_page_fault+0xf2/0x7e0
[  397.107084]  ? vmalloc_sync_all+0x30/0x30
[  397.111242]  ? error_entry+0x70/0xd0
[  397.114951]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.119960]  ? trace_hardirqs_on_caller+0xc0/0x310
[  397.124885]  ? syscall_return_slowpath+0x5e0/0x5e0
[  397.129807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.134644]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.139654]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.145106]  ? prepare_exit_to_usermode+0x291/0x3b0
[  397.150115]  ? page_fault+0x8/0x30
[  397.153651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.158496]  ? page_fault+0x8/0x30
[  397.162031]  page_fault+0x1e/0x30
[  397.165476] RIP: 0033:0x45db60
[  397.168674] Code: Bad RIP value.
[  397.172031] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  397.177389] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  397.184656] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  397.191917] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  397.199178] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  397.206439] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  397.213725] warn_alloc_show_mem: 1 callbacks suppressed
[  397.213741] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  397.213743] Mem-Info:
[  397.213776] active_anon:52805 inactive_anon:249 isolated_anon:0
[  397.213776]  active_file:17 inactive_file:10 isolated_file:0
[  397.213776]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.213776]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  397.213776]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  397.213776]  free:13758 free_pcp:272 free_cma:0
[  397.219112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.226469] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  397.228860] Call Trace:
[  397.261722] 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
[  397.271071]  <IRQ>
[  397.298628] lowmem_reserve[]: 0 2818 6321 6321
[  397.301212]  dump_stack+0x244/0x39d
[  397.327289] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  397.329443]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.333989] lowmem_reserve[]: 0 0 3503 3503
[  397.337618]  warn_alloc.cold.116+0xb7/0x1bd
[  397.364999] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  397.370182]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.374466] lowmem_reserve[]: 0 0 0 0
[  397.378788]  ? lock_downgrade+0x900/0x900
[  397.407642] 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
[  397.412482]  ? trace_hardirqs_off+0xb8/0x310
[  397.416248] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  397.420391]  ? trace_hardirqs_off+0xb8/0x310
[  397.433905] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  397.438308]  __alloc_pages_slowpath+0x26e8/0x2e10
[  397.453451] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.457867]  ? warn_alloc+0x120/0x120
[  397.473248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.473257] 326 total pagecache pages
[  397.478090]  ? print_usage_bug+0xc0/0xc0
[  397.486903] 0 pages in swap cache
[  397.490686]  ? warn_alloc+0x120/0x120
[  397.499230] Swap cache stats: add 0, delete 0, find 0/0
[  397.499238] Free swap  = 0kB
[  397.503033]  ? warn_alloc+0x120/0x120
[  397.507559] Total swap = 0kB
[  397.507567] 1965979 pages RAM
[  397.511021]  ? print_usage_bug+0xc0/0xc0
[  397.514788] 0 pages HighMem/MovableOnly
[  397.520139]  ? kvm_clock_read+0x18/0x30
[  397.523125] 342854 pages reserved
[  397.523132] 0 pages cma reserved
[  397.526923]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  397.529962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.533004]  ? print_usage_bug+0xc0/0xc0
[  397.537083] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.540998]  ? __lock_acquire+0x62f/0x4c20
[  397.544946] syz-fuzzer cpuset=/ mems_allowed=0
[  397.548388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.591782]  ? should_fail+0x22d/0xd01
[  397.595668]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.600944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.606043]  ? __lock_acquire+0x62f/0x4c20
[  397.610281]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.615378]  ? __lock_acquire+0x62f/0x4c20
[  397.619608]  ? should_fail+0x22d/0xd01
[  397.623488]  ? rcu_irq_exit+0x1a2/0x390
[  397.627468]  ? mark_held_locks+0x130/0x130
[  397.631710]  ? mark_held_locks+0x130/0x130
[  397.635945]  ? mark_held_locks+0xc7/0x130
[  397.640088]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  397.645097]  ? zap_class+0x640/0x640
[  397.648811]  ? print_usage_bug+0xc0/0xc0
[  397.652873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.658410]  ? check_preemption_disabled+0x48/0x280
[  397.663433]  ? __lock_is_held+0xb5/0x140
[  397.667495]  __alloc_pages_nodemask+0xa80/0xde0
[  397.672164]  ? zap_class+0x640/0x640
[  397.675882]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.680906]  ? find_held_lock+0x36/0x1c0
[  397.684974]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.689637]  ? lock_downgrade+0x900/0x900
[  397.693786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.699321]  cache_grow_begin+0xa5/0x8c0
[  397.703376]  ? do_raw_spin_unlock+0xa7/0x330
[  397.707786]  fallback_alloc+0x204/0x2e0
[  397.711765]  ____cache_alloc_node+0x1c7/0x1e0
[  397.716263]  kmem_cache_alloc_node+0xe3/0x730
[  397.720756]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.724995]  __alloc_skb+0x119/0x770
[  397.728707]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.734069]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.738481]  ? lock_downgrade+0x900/0x900
[  397.742629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.748164]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.753614]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.759063]  ? addrconf_rs_timer+0x690/0x690
[  397.763481]  ndisc_alloc_skb+0x144/0x340
[  397.767542]  ndisc_send_rs+0x331/0x6e0
[  397.771435]  addrconf_rs_timer+0x314/0x690
[  397.775674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.779920]  call_timer_fn+0x272/0x920
[  397.783801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.788031]  ? process_timeout+0x40/0x40
[  397.792097]  ? __run_timers+0x7da/0xc70
[  397.796069]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.800559]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.805048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.809282]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.813865]  ? trace_hardirqs_on+0xbd/0x310
[  397.818181]  ? kasan_check_read+0x11/0x20
[  397.822323]  ? __run_timers+0x7da/0xc70
[  397.826294]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.831397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.835631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.839862]  __run_timers+0x7e5/0xc70
[  397.843670]  ? timer_fixup_init+0x70/0x70
[  397.847820]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  397.852831]  ? zap_class+0x640/0x640
[  397.856543]  ? enqueue_hrtimer+0x1a5/0x560
[  397.860786]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  397.865977]  ? find_held_lock+0x36/0x1c0
[  397.870038]  ? zap_class+0x640/0x640
[  397.873754]  ? pvclock_read_flags+0x160/0x160
[  397.878246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.883782]  ? check_preemption_disabled+0x48/0x280
[  397.888801]  ? __lock_is_held+0xb5/0x140
[  397.892863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.898395]  ? check_preemption_disabled+0x48/0x280
[  397.903410]  run_timer_softirq+0x52/0xb0
[  397.907472]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.912484]  __do_softirq+0x308/0xb7e
[  397.916285]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.920780]  ? lock_downgrade+0x900/0x900
[  397.924927]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.930032]  ? pvclock_read_flags+0x160/0x160
[  397.934524]  ? lapic_next_event+0x5a/0x90
[  397.938671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.944219]  ? kvm_clock_read+0x18/0x30
[  397.948191]  ? kvm_sched_clock_read+0x9/0x20
[  397.952614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.958150]  ? check_preemption_disabled+0x48/0x280
[  397.963264]  irq_exit+0x17f/0x1c0
[  397.966719]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.971557]  ? smp_call_function_single_interrupt+0x159/0x650
[  397.977441]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.983319]  ? interrupt_entry+0xb5/0xc0
[  397.987380]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.992390]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.997402]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.002241]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.007253]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.012264]  ? task_prio+0x50/0x50
[  398.015801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.021333]  ? check_preemption_disabled+0x48/0x280
[  398.026350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.031194]  apic_timer_interrupt+0xf/0x20
[  398.035421]  </IRQ>
[  398.037656] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  398.043547] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  398.062440] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  398.070149] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  398.077436] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  398.084703] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  398.091968] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  398.099232] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  398.106525]  ? save_stack+0xa9/0xd0
[  398.110157]  __kmalloc_node_track_caller+0x3c/0x70
[  398.115085]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  398.119847]  pskb_expand_head+0x230/0x10f0
[  398.124082]  ? memcpy+0x45/0x50
[  398.127357]  ? __copy_skb_header+0x350/0x6b0
[  398.131765]  ? skb_release_data+0x880/0x880
[  398.136167]  ? __alloc_skb+0x770/0x770
[  398.140063]  ? __lock_is_held+0xb5/0x140
[  398.144126]  ? kasan_check_write+0x14/0x20
[  398.148354]  ? __skb_clone+0x6c7/0xa00
[  398.152240]  ? __copy_skb_header+0x6b0/0x6b0
[  398.156643]  ? kmem_cache_alloc+0x33a/0x730
[  398.160979]  skb_ensure_writable+0x3dd/0x640
[  398.165415]  ? skb_checksum_setup+0xaa0/0xaa0
[  398.169912]  ? check_preemption_disabled+0x48/0x280
[  398.174931]  ? __this_cpu_preempt_check+0x1c/0x20
[  398.179770]  ? __bpf_redirect+0x54b/0xb20
[  398.183921]  bpf_clone_redirect+0x14a/0x490
[  398.188249]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  398.193263]  ? __sched_text_start+0x8/0x8
[  398.197408]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.201988]  ? retint_kernel+0x2d/0x2d
[  398.205871]  ? trace_hardirqs_on_caller+0xc0/0x310
[  398.210798]  ? find_held_lock+0x36/0x1c0
[  398.214863]  ? lock_acquire+0x1ed/0x520
[  398.218852]  ? bpf_test_run+0x3cb/0x780
[  398.222827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.228362]  ? check_preemption_disabled+0x48/0x280
[  398.233380]  ? kasan_check_read+0x11/0x20
[  398.237523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.242794]  ? rcu_softirq_qs+0x20/0x20
[  398.246764]  ? preempt_schedule+0x4d/0x60
[  398.250908]  ? ___preempt_schedule+0x16/0x18
[  398.255319]  ? bpf_test_run+0x25d/0x780
[  398.259300]  ? netlink_diag_dump+0x2a0/0x2a0
[  398.263719]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  398.269092]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  398.273944]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  398.279477]  ? fput+0x130/0x1a0
[  398.282753]  ? __bpf_prog_get+0x9b/0x290
[  398.286815]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  398.291662]  ? bpf_prog_test_run+0x130/0x1a0
[  398.296069]  ? __x64_sys_bpf+0x3d8/0x520
[  398.300125]  ? bpf_prog_get+0x20/0x20
[  398.303935]  ? do_syscall_64+0x142/0x820
[  398.307998]  ? do_syscall_64+0x1b9/0x820
[  398.312054]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  398.317412]  ? syscall_return_slowpath+0x5e0/0x5e0
[  398.322334]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.327173]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.332192]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  398.337205]  ? prepare_exit_to_usermode+0x291/0x3b0
[  398.342226]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.347070]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  398.352455] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  398.352520] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.359465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.359470] Call Trace:
[  398.359475]  <IRQ>
[  398.359492]  dump_stack+0x244/0x39d
[  398.359511]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.366021] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.375329]  warn_alloc.cold.116+0xb7/0x1bd
[  398.377883] syz-executor1 cpuset=syz1 mems_allowed=0
[  398.380039]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.413509]  ? lock_downgrade+0x900/0x900
[  398.417664]  ? trace_hardirqs_off+0xb8/0x310
[  398.422078]  ? trace_hardirqs_off+0xb8/0x310
[  398.426491]  __alloc_pages_slowpath+0x26e8/0x2e10
[  398.431373]  ? warn_alloc+0x120/0x120
[  398.435169]  ? print_usage_bug+0xc0/0xc0
[  398.439227]  ? warn_alloc+0x120/0x120
[  398.443043]  ? warn_alloc+0x120/0x120
[  398.446842]  ? print_usage_bug+0xc0/0xc0
[  398.450902]  ? print_usage_bug+0xc0/0xc0
[  398.454962]  ? __lock_acquire+0x62f/0x4c20
[  398.459197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.464728]  ? should_fail+0x22d/0xd01
[  398.468614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.473719]  ? __lock_acquire+0x62f/0x4c20
[  398.477955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.483052]  ? __lock_acquire+0x62f/0x4c20
[  398.487279]  ? should_fail+0x22d/0xd01
[  398.491160]  ? find_held_lock+0x36/0x1c0
[  398.495223]  ? mark_held_locks+0x130/0x130
[  398.499461]  ? mark_held_locks+0x130/0x130
[  398.503688]  ? zap_class+0x640/0x640
[  398.507399]  ? zap_class+0x640/0x640
[  398.511110]  ? print_usage_bug+0xc0/0xc0
[  398.515168]  ? do_raw_spin_unlock+0xa7/0x330
[  398.519570]  ? zap_class+0x640/0x640
[  398.523277]  ? print_usage_bug+0xc0/0xc0
[  398.527335]  ? wq_watchdog_touch+0x9c/0xfe
[  398.531571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.537105]  ? check_preemption_disabled+0x48/0x280
[  398.542127]  ? __lock_is_held+0xb5/0x140
[  398.546187]  __alloc_pages_nodemask+0xa80/0xde0
[  398.550852]  ? zap_class+0x640/0x640
[  398.554568]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.559593]  ? find_held_lock+0x36/0x1c0
[  398.563671]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.568340]  ? lock_downgrade+0x900/0x900
[  398.572493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.578029]  cache_grow_begin+0xa5/0x8c0
[  398.582089]  ? do_raw_spin_unlock+0xa7/0x330
[  398.586499]  fallback_alloc+0x204/0x2e0
[  398.590474]  ____cache_alloc_node+0x1c7/0x1e0
[  398.594968]  kmem_cache_alloc_node+0xe3/0x730
[  398.599458]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.603702]  __alloc_skb+0x119/0x770
[  398.607411]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.612691]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.617096]  ? lock_downgrade+0x900/0x900
[  398.621246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.626782]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.632233]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.637684]  ? addrconf_rs_timer+0x690/0x690
[  398.642099]  ndisc_alloc_skb+0x144/0x340
[  398.646159]  ndisc_send_rs+0x331/0x6e0
[  398.650045]  addrconf_rs_timer+0x314/0x690
[  398.654283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.658521]  call_timer_fn+0x272/0x920
[  398.662402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.666635]  ? process_timeout+0x40/0x40
[  398.670703]  ? mark_held_locks+0xc7/0x130
[  398.675301]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.679791]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.684280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.688515]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.693097]  ? trace_hardirqs_on+0xbd/0x310
[  398.697416]  ? kasan_check_read+0x11/0x20
[  398.701556]  ? __run_timers+0x7da/0xc70
[  398.705531]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.710662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.714895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.719124]  __run_timers+0x7e5/0xc70
[  398.722929]  ? timer_fixup_init+0x70/0x70
[  398.727077]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.732088]  ? zap_class+0x640/0x640
[  398.735803]  ? print_usage_bug+0xc0/0xc0
[  398.739860]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.745056]  ? find_held_lock+0x36/0x1c0
[  398.749117]  ? zap_class+0x640/0x640
[  398.752832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.758365]  ? check_preemption_disabled+0x48/0x280
[  398.763385]  ? __lock_is_held+0xb5/0x140
[  398.767441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.772975]  ? check_preemption_disabled+0x48/0x280
[  398.777995]  run_timer_softirq+0x52/0xb0
[  398.782056]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.787070]  __do_softirq+0x308/0xb7e
[  398.790872]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.795360]  ? lock_downgrade+0x900/0x900
[  398.799528]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.804647]  ? pvclock_read_flags+0x160/0x160
[  398.809145]  ? lapic_next_event+0x5a/0x90
[  398.813289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.818847]  ? kvm_clock_read+0x18/0x30
[  398.822815]  ? kvm_sched_clock_read+0x9/0x20
[  398.827224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.832765]  ? check_preemption_disabled+0x48/0x280
[  398.837785]  irq_exit+0x17f/0x1c0
[  398.841239]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.846084]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.851961]  ? interrupt_entry+0xb5/0xc0
[  398.856018]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.861029]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.866040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.870880]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.875895]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.880911]  ? task_prio+0x50/0x50
[  398.884470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.890019]  ? check_preemption_disabled+0x48/0x280
[  398.895036]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.899885]  apic_timer_interrupt+0xf/0x20
[  398.904109]  </IRQ>
[  398.906342] RIP: 0010:dump_stack+0x358/0x39d
[  398.910750] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  398.929649] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  398.937353] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  398.944618] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  398.951890] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  398.959154] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  398.966417] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  398.973696]  ? dump_stack+0x34f/0x39d
[  398.977504]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.982692]  ? mark_held_locks+0x130/0x130
[  398.986920]  ? mark_held_locks+0x130/0x130
[  398.991160]  dump_header+0x27b/0xf72
[  398.994880]  ? pagefault_out_of_memory+0x197/0x197
[  398.999817]  ? __lock_acquire+0x62f/0x4c20
[  399.004048]  ? percpu_ref_get_many+0x240/0x240
[  399.008631]  ? print_usage_bug+0xc0/0xc0
[  399.012693]  ? zap_class+0x640/0x640
[  399.016407]  ? print_usage_bug+0xc0/0xc0
[  399.020460]  ? print_usage_bug+0xc0/0xc0
[  399.024521]  ? zap_class+0x640/0x640
[  399.028232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.033767]  ? find_held_lock+0x36/0x1c0
[  399.037833]  ? mark_held_locks+0xc7/0x130
[  399.041977]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  399.047077]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  399.052174]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.056751]  ? trace_hardirqs_on+0xbd/0x310
[  399.061066]  ? kasan_check_read+0x11/0x20
[  399.065207]  ? ___ratelimit+0x3b4/0x672
[  399.069177]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.074277]  ? trace_hardirqs_on+0x310/0x310
[  399.078680]  ? lock_downgrade+0x900/0x900
[  399.082827]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  399.087928]  ? ___ratelimit+0x3b9/0x672
[  399.091899]  ? idr_get_free+0xf70/0xf70
[  399.095870]  ? find_held_lock+0x36/0x1c0
[  399.099936]  oom_kill_process.cold.27+0x10/0x903
[  399.104687]  ? zap_class+0x640/0x640
[  399.108419]  ? check_preemption_disabled+0x48/0x280
[  399.113434]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.118364]  ? kasan_check_read+0x11/0x20
[  399.122505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.127783]  ? oom_evaluate_task+0x540/0x540
[  399.132193]  ? find_held_lock+0x36/0x1c0
[  399.136259]  ? out_of_memory+0x974/0x1430
[  399.140405]  ? lock_downgrade+0x900/0x900
[  399.144546]  ? check_preemption_disabled+0x48/0x280
[  399.149566]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.154501]  ? kasan_check_read+0x11/0x20
[  399.158645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.163920]  ? rcu_softirq_qs+0x20/0x20
[  399.167895]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.173427]  ? oom_evaluate_task+0x302/0x540
[  399.177836]  out_of_memory+0xa84/0x1430
[  399.181828]  ? oom_killer_disable+0x3a0/0x3a0
[  399.186318]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  399.191249]  ? __ww_mutex_check_waiters+0x160/0x160
[  399.196278]  __alloc_pages_slowpath+0x2354/0x2e10
[  399.201143]  ? warn_alloc+0x120/0x120
[  399.204938]  ? mark_held_locks+0x130/0x130
[  399.209170]  ? find_get_entry+0xaae/0x1120
[  399.213411]  ? filemap_map_pages+0x1a20/0x1a20
[  399.217992]  ? zap_class+0x640/0x640
[  399.221704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.227237]  ? check_preemption_disabled+0x48/0x280
[  399.232249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.237780]  ? should_fail+0x22d/0xd01
[  399.241670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.246770]  ? zap_class+0x640/0x640
[  399.250506]  ? __lock_is_held+0xb5/0x140
[  399.254580]  ? mark_held_locks+0x130/0x130
[  399.258823]  ? lock_release+0xa00/0xa00
[  399.262796]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.268240]  ? xa_load+0x2ba/0x460
[  399.271781]  ? lock_downgrade+0x900/0x900
[  399.275927]  ? __might_sleep+0x95/0x190
[  399.279901]  __alloc_pages_nodemask+0xa80/0xde0
[  399.284582]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.289604]  ? __page_cache_alloc+0x191/0x5c0
[  399.294092]  ? xa_load+0x2e1/0x460
[  399.297629]  ? xa_clear_mark+0x40/0x40
[  399.301513]  ? zap_class+0x640/0x640
[  399.305229]  ? zap_class+0x640/0x640
[  399.308936]  ? zap_class+0x640/0x640
[  399.312648]  ? __do_page_cache_readahead+0x663/0x810
[  399.317750]  ? find_held_lock+0x36/0x1c0
[  399.321810]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  399.327353]  alloc_pages_current+0x173/0x350
[  399.331762]  __page_cache_alloc+0x38c/0x5c0
[  399.336077]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.341000]  ? kasan_check_read+0x11/0x20
[  399.345140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.350414]  ? generic_perform_write+0x6a0/0x6a0
[  399.355166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.360701]  ? check_preemption_disabled+0x48/0x280
[  399.365718]  filemap_fault+0x1595/0x25f0
[  399.369802]  ? __lock_page_or_retry+0xa00/0xa00
[  399.374470]  ? mark_held_locks+0x130/0x130
[  399.378712]  ? filemap_map_pages+0xd6b/0x1a20
[  399.383204]  ? lock_downgrade+0x900/0x900
[  399.387349]  ? check_preemption_disabled+0x48/0x280
[  399.392363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.397285]  ? kasan_check_read+0x11/0x20
[  399.401428]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.406701]  ? rcu_softirq_qs+0x20/0x20
[  399.410684]  ? filemap_map_pages+0xd92/0x1a20
[  399.415182]  ? print_usage_bug+0xc0/0xc0
[  399.419243]  ? find_get_entries_tag+0x1400/0x1400
[  399.424080]  ? __kasan_slab_free+0x102/0x150
[  399.428482]  ? kasan_slab_free+0xe/0x10
[  399.432449]  ? kmem_cache_free+0x83/0x290
[  399.436595]  ? __sigqueue_free.part.29+0x74/0x90
[  399.441361]  ? lock_acquire+0x1ed/0x520
[  399.445331]  ? ext4_filemap_fault+0x7a/0xad
[  399.449653]  ? lock_release+0xa00/0xa00
[  399.453620]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.459070]  ? print_usage_bug+0xc0/0xc0
[  399.463125]  ? print_usage_bug+0xc0/0xc0
[  399.467195]  ? down_read+0x8d/0x120
[  399.470815]  ? ext4_filemap_fault+0x7a/0xad
[  399.475136]  ? __down_interruptible+0x700/0x700
[  399.479808]  ext4_filemap_fault+0x82/0xad
[  399.483951]  __do_fault+0x100/0x6b0
[  399.487586]  ? pmd_devmap_trans_unstable+0x220/0x220
[  399.492688]  ? mark_held_locks+0x130/0x130
[  399.496921]  ? mark_held_locks+0x130/0x130
[  399.501154]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  399.507163]  ? rcu_pm_notify+0xc0/0xc0
[  399.511054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.516597]  __handle_mm_fault+0x3ea0/0x5be0
[  399.521011]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  399.525848]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.530342]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.534920]  ? trace_hardirqs_on+0xbd/0x310
[  399.539237]  ? kasan_check_read+0x11/0x20
[  399.543386]  ? __set_current_blocked+0xdf/0x120
[  399.548054]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.553162]  ? zap_class+0x640/0x640
[  399.556869]  ? zap_class+0x640/0x640
[  399.560590]  ? find_held_lock+0x36/0x1c0
[  399.564654]  ? handle_mm_fault+0x42a/0xc70
[  399.568886]  ? lock_downgrade+0x900/0x900
[  399.573031]  ? check_preemption_disabled+0x48/0x280
[  399.578043]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.582970]  ? kasan_check_read+0x11/0x20
[  399.587115]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.592387]  ? rcu_softirq_qs+0x20/0x20
[  399.596369]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.601467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.607001]  ? check_preemption_disabled+0x48/0x280
[  399.612017]  handle_mm_fault+0x54f/0xc70
[  399.616077]  ? __handle_mm_fault+0x5be0/0x5be0
[  399.620657]  ? find_vma+0x34/0x190
[  399.624196]  __do_page_fault+0x5e8/0xe60
[  399.628256]  ? exit_to_usermode_loop+0x1f4/0x380
[  399.633016]  do_page_fault+0xf2/0x7e0
[  399.636812]  ? vmalloc_sync_all+0x30/0x30
[  399.640959]  ? error_entry+0x70/0xd0
[  399.644670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.649680]  ? trace_hardirqs_on_caller+0xc0/0x310
[  399.654608]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.659541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.664386]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.669876]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  399.675325]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.680334]  ? page_fault+0x8/0x30
[  399.683871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.688712]  ? page_fault+0x8/0x30
[  399.692247]  page_fault+0x1e/0x30
[  399.695692] RIP: 0033:0x45db60
[  399.698891] Code: Bad RIP value.
[  399.702246] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  399.707602] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  399.714863] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  399.722124] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  399.729390] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  399.736651] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  399.743937] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  399.743942] warn_alloc_show_mem: 1 callbacks suppressed
[  399.743948] Mem-Info:
[  399.751303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.756664] active_anon:52805 inactive_anon:249 isolated_anon:0
[  399.756664]  active_file:17 inactive_file:10 isolated_file:0
[  399.756664]  unevictable:0 dirty:0 writeback:0 unstable:0
[  399.756664]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  399.756664]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  399.756664]  free:13758 free_pcp:272 free_cma:0
[  399.759033] Call Trace:
[  399.768405] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  399.801245]  <IRQ>
[  399.803825] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  399.831399]  dump_stack+0x244/0x39d
[  399.833526] lowmem_reserve[]: 0 2818 6321 6321
[  399.859626]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.863226] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  399.867805]  warn_alloc.cold.116+0xb7/0x1bd
[  399.872952] lowmem_reserve[]: 0 0 3503 3503
[  399.900272]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.904567] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  399.908881]  ? lock_downgrade+0x900/0x900
[  399.913689] lowmem_reserve[]: 0 0 0 0
[  399.942576]  ? trace_hardirqs_off+0xb8/0x310
[  399.946692] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  399.950486]  ? trace_hardirqs_off+0xb8/0x310
[  399.954864] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  399.968381]  __alloc_pages_slowpath+0x26e8/0x2e10
[  399.972758] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  399.988029]  ? warn_alloc+0x120/0x120
[  399.992828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  400.008256]  ? print_usage_bug+0xc0/0xc0
[  400.012030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  400.020847]  ? warn_alloc+0x120/0x120
[  400.024881] 326 total pagecache pages
[  400.033446]  ? warn_alloc+0x120/0x120
[  400.037227] 0 pages in swap cache
[  400.041005]  ? print_usage_bug+0xc0/0xc0
[  400.044782] Swap cache stats: add 0, delete 0, find 0/0
[  400.048218]  ? print_usage_bug+0xc0/0xc0
[  400.052252] Free swap  = 0kB
[  400.057602]  ? __lock_acquire+0x62f/0x4c20
[  400.061638] Total swap = 0kB
[  400.064650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.068854] 1965979 pages RAM
[  400.071862]  ? should_fail+0x22d/0xd01
[  400.077364] 0 pages HighMem/MovableOnly
[  400.077371] 342854 pages reserved
[  400.080465]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.084337] 0 pages cma reserved
[  400.088295]  ? __lock_acquire+0x62f/0x4c20
[  400.091776] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.096809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.100226] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.104377]  ? __lock_acquire+0x62f/0x4c20
[  400.110840] syz-fuzzer cpuset=/ mems_allowed=0
[  400.115923]  ? should_fail+0x22d/0xd01
[  400.115939]  ? find_held_lock+0x36/0x1c0
[  400.142832]  ? mark_held_locks+0x130/0x130
[  400.147066]  ? mark_held_locks+0x130/0x130
[  400.151294]  ? zap_class+0x640/0x640
[  400.155002]  ? zap_class+0x640/0x640
[  400.158716]  ? print_usage_bug+0xc0/0xc0
[  400.162771]  ? do_raw_spin_unlock+0xa7/0x330
[  400.167175]  ? zap_class+0x640/0x640
[  400.170887]  ? print_usage_bug+0xc0/0xc0
[  400.174944]  ? wq_watchdog_touch+0x9c/0xfe
[  400.179179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.184712]  ? check_preemption_disabled+0x48/0x280
[  400.189733]  ? __lock_is_held+0xb5/0x140
[  400.193797]  __alloc_pages_nodemask+0xa80/0xde0
[  400.198460]  ? zap_class+0x640/0x640
[  400.202179]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.207201]  ? find_held_lock+0x36/0x1c0
[  400.211522]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.216195]  ? lock_downgrade+0x900/0x900
[  400.220346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.225886]  cache_grow_begin+0xa5/0x8c0
[  400.229939]  ? do_raw_spin_unlock+0xa7/0x330
[  400.234350]  fallback_alloc+0x204/0x2e0
[  400.238325]  ____cache_alloc_node+0x1c7/0x1e0
[  400.242819]  kmem_cache_alloc_node+0xe3/0x730
[  400.247316]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.251557]  __alloc_skb+0x119/0x770
[  400.255265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.260541]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.264948]  ? lock_downgrade+0x900/0x900
[  400.269106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.274637]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.280087]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.285540]  ? addrconf_rs_timer+0x690/0x690
[  400.289952]  ndisc_alloc_skb+0x144/0x340
[  400.294014]  ndisc_send_rs+0x331/0x6e0
[  400.297907]  addrconf_rs_timer+0x314/0x690
[  400.302141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.306381]  call_timer_fn+0x272/0x920
[  400.310261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.314497]  ? process_timeout+0x40/0x40
[  400.318559]  ? __run_timers+0x7da/0xc70
[  400.322529]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.327022]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.331523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.335753]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.340332]  ? trace_hardirqs_on+0xbd/0x310
[  400.344652]  ? kasan_check_read+0x11/0x20
[  400.348791]  ? __run_timers+0x7da/0xc70
[  400.352763]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.357864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.362102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.366327]  __run_timers+0x7e5/0xc70
[  400.370136]  ? timer_fixup_init+0x70/0x70
[  400.374284]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  400.379296]  ? zap_class+0x640/0x640
[  400.383019]  ? enqueue_hrtimer+0x1a5/0x560
[  400.387250]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  400.392443]  ? find_held_lock+0x36/0x1c0
[  400.396515]  ? zap_class+0x640/0x640
[  400.400231]  ? pvclock_read_flags+0x160/0x160
[  400.404724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.410261]  ? check_preemption_disabled+0x48/0x280
[  400.415282]  ? __lock_is_held+0xb5/0x140
[  400.419342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.424877]  ? check_preemption_disabled+0x48/0x280
[  400.429896]  run_timer_softirq+0x52/0xb0
[  400.433958]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.438990]  __do_softirq+0x308/0xb7e
[  400.442796]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  400.447302]  ? lock_downgrade+0x900/0x900
[  400.451451]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.456564]  ? pvclock_read_flags+0x160/0x160
[  400.461057]  ? lapic_next_event+0x5a/0x90
[  400.465205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.470741]  ? kvm_clock_read+0x18/0x30
[  400.474713]  ? kvm_sched_clock_read+0x9/0x20
[  400.479120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.484653]  ? check_preemption_disabled+0x48/0x280
[  400.489690]  irq_exit+0x17f/0x1c0
[  400.493142]  smp_apic_timer_interrupt+0x1cb/0x760
[  400.497978]  ? smp_call_function_single_interrupt+0x159/0x650
[  400.503864]  ? smp_call_function_single_interrupt+0x650/0x650
[  400.509745]  ? interrupt_entry+0xb5/0xc0
[  400.513806]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.518820]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.523830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.528670]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.533681]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.538707]  ? task_prio+0x50/0x50
[  400.542248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.547780]  ? check_preemption_disabled+0x48/0x280
[  400.552799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.557647]  apic_timer_interrupt+0xf/0x20
[  400.561870]  </IRQ>
[  400.564104] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  400.569985] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  400.588884] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  400.596584] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  400.603848] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  400.611109] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  400.618374] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  400.625636] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  400.632926]  ? save_stack+0xa9/0xd0
[  400.636560]  __kmalloc_node_track_caller+0x3c/0x70
[  400.641495]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  400.646254]  pskb_expand_head+0x230/0x10f0
[  400.650494]  ? memcpy+0x45/0x50
[  400.653774]  ? __copy_skb_header+0x350/0x6b0
[  400.658180]  ? skb_release_data+0x880/0x880
[  400.662495]  ? __alloc_skb+0x770/0x770
[  400.666388]  ? __lock_is_held+0xb5/0x140
[  400.670449]  ? kasan_check_write+0x14/0x20
[  400.675212]  ? __skb_clone+0x6c7/0xa00
[  400.679100]  ? __copy_skb_header+0x6b0/0x6b0
[  400.683506]  ? kmem_cache_alloc+0x33a/0x730
[  400.687842]  skb_ensure_writable+0x3dd/0x640
[  400.692251]  ? skb_checksum_setup+0xaa0/0xaa0
[  400.696742]  ? check_preemption_disabled+0x48/0x280
[  400.701759]  ? __this_cpu_preempt_check+0x1c/0x20
[  400.706595]  ? __bpf_redirect+0x54b/0xb20
[  400.710745]  bpf_clone_redirect+0x14a/0x490
[  400.715244]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  400.720258]  ? __sched_text_start+0x8/0x8
[  400.724407]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.728986]  ? retint_kernel+0x2d/0x2d
[  400.732869]  ? trace_hardirqs_on_caller+0xc0/0x310
[  400.737798]  ? find_held_lock+0x36/0x1c0
[  400.741865]  ? lock_acquire+0x1ed/0x520
[  400.745838]  ? bpf_test_run+0x3cb/0x780
[  400.749813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.755345]  ? check_preemption_disabled+0x48/0x280
[  400.760361]  ? kasan_check_read+0x11/0x20
[  400.764504]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.769774]  ? rcu_softirq_qs+0x20/0x20
[  400.773745]  ? preempt_schedule+0x4d/0x60
[  400.777894]  ? ___preempt_schedule+0x16/0x18
[  400.782303]  ? bpf_test_run+0x25d/0x780
[  400.786284]  ? netlink_diag_dump+0x2a0/0x2a0
[  400.790698]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  400.795464]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.800305]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  400.805836]  ? fput+0x130/0x1a0
[  400.809113]  ? __bpf_prog_get+0x9b/0x290
[  400.813175]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.818013]  ? bpf_prog_test_run+0x130/0x1a0
[  400.822419]  ? __x64_sys_bpf+0x3d8/0x520
[  400.826483]  ? bpf_prog_get+0x20/0x20
[  400.830287]  ? do_syscall_64+0x142/0x820
[  400.834348]  ? do_syscall_64+0x1b9/0x820
[  400.838401]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  400.843763]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.848689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.853530]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.858543]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.863557]  ? prepare_exit_to_usermode+0x291/0x3b0
[  400.868574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.873432]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  400.878815] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  400.878878] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.885822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.885829] Call Trace:
[  400.892390] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.901648]  <IRQ>
[  400.904214] syz-executor1 cpuset=syz1 mems_allowed=0
[  400.914685]  dump_stack+0x244/0x39d
[  400.925515]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.930711]  warn_alloc.cold.116+0xb7/0x1bd
[  400.935028]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.939870]  ? lock_downgrade+0x900/0x900
[  400.944019]  ? trace_hardirqs_off+0xb8/0x310
[  400.948436]  ? trace_hardirqs_off+0xb8/0x310
[  400.952850]  __alloc_pages_slowpath+0x26e8/0x2e10
[  400.957725]  ? warn_alloc+0x120/0x120
[  400.961524]  ? print_usage_bug+0xc0/0xc0
[  400.965584]  ? warn_alloc+0x120/0x120
[  400.969388]  ? warn_alloc+0x120/0x120
[  400.973184]  ? print_usage_bug+0xc0/0xc0
[  400.977243]  ? kvm_clock_read+0x18/0x30
[  400.981213]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  400.986226]  ? print_usage_bug+0xc0/0xc0
[  400.990282]  ? __lock_acquire+0x62f/0x4c20
[  400.994518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.000052]  ? should_fail+0x22d/0xd01
[  401.003931]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.009206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.014304]  ? __lock_acquire+0x62f/0x4c20
[  401.018541]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.023636]  ? __lock_acquire+0x62f/0x4c20
[  401.027862]  ? should_fail+0x22d/0xd01
[  401.031743]  ? rcu_irq_exit+0x1a2/0x390
[  401.035725]  ? mark_held_locks+0x130/0x130
[  401.039966]  ? mark_held_locks+0x130/0x130
[  401.044200]  ? mark_held_locks+0xc7/0x130
[  401.048379]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  401.053388]  ? zap_class+0x640/0x640
[  401.057099]  ? print_usage_bug+0xc0/0xc0
[  401.061160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.066697]  ? check_preemption_disabled+0x48/0x280
[  401.071721]  ? __lock_is_held+0xb5/0x140
[  401.075780]  __alloc_pages_nodemask+0xa80/0xde0
[  401.080466]  ? zap_class+0x640/0x640
[  401.084180]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.089200]  ? find_held_lock+0x36/0x1c0
[  401.093264]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.097933]  ? lock_downgrade+0x900/0x900
[  401.102086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.107625]  cache_grow_begin+0xa5/0x8c0
[  401.111789]  ? do_raw_spin_unlock+0xa7/0x330
[  401.116223]  fallback_alloc+0x204/0x2e0
[  401.120201]  ____cache_alloc_node+0x1c7/0x1e0
[  401.124699]  kmem_cache_alloc_node+0xe3/0x730
[  401.129193]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.133443]  __alloc_skb+0x119/0x770
[  401.137156]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.142437]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.146847]  ? lock_downgrade+0x900/0x900
[  401.150997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.156530]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.161977]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.167432]  ? addrconf_rs_timer+0x690/0x690
[  401.171860]  ndisc_alloc_skb+0x144/0x340
[  401.175921]  ndisc_send_rs+0x331/0x6e0
[  401.179809]  addrconf_rs_timer+0x314/0x690
[  401.184043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.188282]  call_timer_fn+0x272/0x920
[  401.192168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.196403]  ? process_timeout+0x40/0x40
[  401.200482]  ? mark_held_locks+0xc7/0x130
[  401.204625]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.209116]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.213604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.217833]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.222416]  ? trace_hardirqs_on+0xbd/0x310
[  401.226738]  ? kasan_check_read+0x11/0x20
[  401.230882]  ? __run_timers+0x7da/0xc70
[  401.234851]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.239953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.244191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.248424]  __run_timers+0x7e5/0xc70
[  401.252233]  ? timer_fixup_init+0x70/0x70
[  401.256390]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.261415]  ? zap_class+0x640/0x640
[  401.265131]  ? print_usage_bug+0xc0/0xc0
[  401.269188]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.274380]  ? find_held_lock+0x36/0x1c0
[  401.278568]  ? zap_class+0x640/0x640
[  401.282287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.287823]  ? check_preemption_disabled+0x48/0x280
[  401.292844]  ? __lock_is_held+0xb5/0x140
[  401.296903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.302444]  ? check_preemption_disabled+0x48/0x280
[  401.307465]  run_timer_softirq+0x52/0xb0
[  401.311521]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.316536]  __do_softirq+0x308/0xb7e
[  401.320339]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.324841]  ? lock_downgrade+0x900/0x900
[  401.328989]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.334098]  ? pvclock_read_flags+0x160/0x160
[  401.338590]  ? lapic_next_event+0x5a/0x90
[  401.342733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.348275]  ? kvm_clock_read+0x18/0x30
[  401.352247]  ? kvm_sched_clock_read+0x9/0x20
[  401.356653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.362185]  ? check_preemption_disabled+0x48/0x280
[  401.367209]  irq_exit+0x17f/0x1c0
[  401.370657]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.375496]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.381378]  ? interrupt_entry+0xb5/0xc0
[  401.385445]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.390457]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.395473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.400314]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.405325]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.410336]  ? task_prio+0x50/0x50
[  401.413874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.419416]  ? check_preemption_disabled+0x48/0x280
[  401.424443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.429289]  apic_timer_interrupt+0xf/0x20
[  401.433515]  </IRQ>
[  401.435747] RIP: 0010:dump_stack+0x358/0x39d
[  401.440153] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  401.459046] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  401.466746] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  401.474009] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  401.481272] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  401.488533] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  401.495797] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  401.503080]  ? dump_stack+0x34f/0x39d
[  401.507377]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.512575]  ? mark_held_locks+0x130/0x130
[  401.516808]  ? mark_held_locks+0x130/0x130
[  401.521043]  dump_header+0x27b/0xf72
[  401.524764]  ? pagefault_out_of_memory+0x197/0x197
[  401.529695]  ? __lock_acquire+0x62f/0x4c20
[  401.533929]  ? percpu_ref_get_many+0x240/0x240
[  401.538508]  ? print_usage_bug+0xc0/0xc0
[  401.542571]  ? zap_class+0x640/0x640
[  401.546287]  ? print_usage_bug+0xc0/0xc0
[  401.550340]  ? print_usage_bug+0xc0/0xc0
[  401.554402]  ? zap_class+0x640/0x640
[  401.558120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.563658]  ? find_held_lock+0x36/0x1c0
[  401.567722]  ? mark_held_locks+0xc7/0x130
[  401.571871]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.576968]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.582066]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.586649]  ? trace_hardirqs_on+0xbd/0x310
[  401.590968]  ? kasan_check_read+0x11/0x20
[  401.595114]  ? ___ratelimit+0x3b4/0x672
[  401.599087]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.604187]  ? trace_hardirqs_on+0x310/0x310
[  401.608595]  ? lock_downgrade+0x900/0x900
[  401.612741]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  401.617838]  ? ___ratelimit+0x3b9/0x672
[  401.621809]  ? idr_get_free+0xf70/0xf70
[  401.625781]  ? find_held_lock+0x36/0x1c0
[  401.629855]  oom_kill_process.cold.27+0x10/0x903
[  401.634610]  ? zap_class+0x640/0x640
[  401.638321]  ? check_preemption_disabled+0x48/0x280
[  401.643340]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.648263]  ? kasan_check_read+0x11/0x20
[  401.652414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.657689]  ? oom_evaluate_task+0x540/0x540
[  401.662096]  ? find_held_lock+0x36/0x1c0
[  401.666159]  ? out_of_memory+0x974/0x1430
[  401.670302]  ? lock_downgrade+0x900/0x900
[  401.674446]  ? check_preemption_disabled+0x48/0x280
[  401.679460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.684390]  ? kasan_check_read+0x11/0x20
[  401.688552]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.693823]  ? rcu_softirq_qs+0x20/0x20
[  401.697800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.703331]  ? oom_evaluate_task+0x302/0x540
[  401.707739]  out_of_memory+0xa84/0x1430
[  401.711716]  ? oom_killer_disable+0x3a0/0x3a0
[  401.716207]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  401.721135]  ? __ww_mutex_check_waiters+0x160/0x160
[  401.726157]  __alloc_pages_slowpath+0x2354/0x2e10
[  401.731020]  ? warn_alloc+0x120/0x120
[  401.734819]  ? mark_held_locks+0x130/0x130
[  401.739055]  ? find_get_entry+0xaae/0x1120
[  401.743293]  ? filemap_map_pages+0x1a20/0x1a20
[  401.747873]  ? zap_class+0x640/0x640
[  401.751590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.757123]  ? check_preemption_disabled+0x48/0x280
[  401.762133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.767663]  ? should_fail+0x22d/0xd01
[  401.771550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.776649]  ? zap_class+0x640/0x640
[  401.780387]  ? __lock_is_held+0xb5/0x140
[  401.784455]  ? mark_held_locks+0x130/0x130
[  401.788691]  ? lock_release+0xa00/0xa00
[  401.792683]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.798127]  ? xa_load+0x2ba/0x460
[  401.801667]  ? lock_downgrade+0x900/0x900
[  401.805815]  ? __might_sleep+0x95/0x190
[  401.809792]  __alloc_pages_nodemask+0xa80/0xde0
[  401.814462]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.819479]  ? __page_cache_alloc+0x191/0x5c0
[  401.823972]  ? xa_load+0x2e1/0x460
[  401.827513]  ? xa_clear_mark+0x40/0x40
[  401.831402]  ? zap_class+0x640/0x640
[  401.835117]  ? zap_class+0x640/0x640
[  401.838829]  ? zap_class+0x640/0x640
[  401.842539]  ? __do_page_cache_readahead+0x663/0x810
[  401.847643]  ? find_held_lock+0x36/0x1c0
[  401.851705]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  401.857245]  alloc_pages_current+0x173/0x350
[  401.861653]  __page_cache_alloc+0x38c/0x5c0
[  401.865972]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.870896]  ? kasan_check_read+0x11/0x20
[  401.875040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.880315]  ? generic_perform_write+0x6a0/0x6a0
[  401.885070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.890603]  ? check_preemption_disabled+0x48/0x280
[  401.895626]  filemap_fault+0x1595/0x25f0
[  401.899696]  ? __lock_page_or_retry+0xa00/0xa00
[  401.904370]  ? mark_held_locks+0x130/0x130
[  401.908610]  ? filemap_map_pages+0xd6b/0x1a20
[  401.913102]  ? lock_downgrade+0x900/0x900
[  401.917246]  ? check_preemption_disabled+0x48/0x280
[  401.922258]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.927188]  ? kasan_check_read+0x11/0x20
[  401.931331]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.936610]  ? rcu_softirq_qs+0x20/0x20
[  401.940595]  ? filemap_map_pages+0xd92/0x1a20
[  401.945090]  ? print_usage_bug+0xc0/0xc0
[  401.949155]  ? find_get_entries_tag+0x1400/0x1400
[  401.954009]  ? __kasan_slab_free+0x102/0x150
[  401.958410]  ? kasan_slab_free+0xe/0x10
[  401.962381]  ? kmem_cache_free+0x83/0x290
[  401.966533]  ? __sigqueue_free.part.29+0x74/0x90
[  401.971300]  ? lock_acquire+0x1ed/0x520
[  401.975268]  ? ext4_filemap_fault+0x7a/0xad
[  401.979590]  ? lock_release+0xa00/0xa00
[  401.983559]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.989004]  ? print_usage_bug+0xc0/0xc0
[  401.993064]  ? print_usage_bug+0xc0/0xc0
[  401.997129]  ? down_read+0x8d/0x120
[  402.000751]  ? ext4_filemap_fault+0x7a/0xad
[  402.005068]  ? __down_interruptible+0x700/0x700
[  402.009741]  ext4_filemap_fault+0x82/0xad
[  402.013888]  __do_fault+0x100/0x6b0
[  402.017515]  ? pmd_devmap_trans_unstable+0x220/0x220
[  402.022619]  ? mark_held_locks+0x130/0x130
[  402.026853]  ? mark_held_locks+0x130/0x130
[  402.031082]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  402.036616]  ? rcu_pm_notify+0xc0/0xc0
[  402.040594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.046128]  __handle_mm_fault+0x3ea0/0x5be0
[  402.050543]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  402.055381]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.059872]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.064449]  ? trace_hardirqs_on+0xbd/0x310
[  402.068765]  ? kasan_check_read+0x11/0x20
[  402.072909]  ? __set_current_blocked+0xdf/0x120
[  402.077574]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.082688]  ? zap_class+0x640/0x640
[  402.086400]  ? zap_class+0x640/0x640
[  402.090113]  ? find_held_lock+0x36/0x1c0
[  402.094178]  ? handle_mm_fault+0x42a/0xc70
[  402.098409]  ? lock_downgrade+0x900/0x900
[  402.102553]  ? check_preemption_disabled+0x48/0x280
[  402.107566]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.112494]  ? kasan_check_read+0x11/0x20
[  402.116634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.121908]  ? rcu_softirq_qs+0x20/0x20
[  402.125879]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.130977]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.136513]  ? check_preemption_disabled+0x48/0x280
[  402.141535]  handle_mm_fault+0x54f/0xc70
[  402.145596]  ? __handle_mm_fault+0x5be0/0x5be0
[  402.150177]  ? find_vma+0x34/0x190
[  402.153718]  __do_page_fault+0x5e8/0xe60
[  402.157775]  ? exit_to_usermode_loop+0x1f4/0x380
[  402.162550]  do_page_fault+0xf2/0x7e0
[  402.166357]  ? vmalloc_sync_all+0x30/0x30
[  402.170502]  ? error_entry+0x70/0xd0
[  402.174216]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.179226]  ? trace_hardirqs_on_caller+0xc0/0x310
[  402.184153]  ? syscall_return_slowpath+0x5e0/0x5e0
[  402.189076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.193913]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.198923]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.204379]  ? prepare_exit_to_usermode+0x291/0x3b0
[  402.209389]  ? page_fault+0x8/0x30
[  402.212927]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.217767]  ? page_fault+0x8/0x30
[  402.221305]  page_fault+0x1e/0x30
[  402.224762] RIP: 0033:0x45db60
[  402.227960] Code: Bad RIP value.
[  402.231315] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  402.236679] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  402.243940] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  402.251203] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  402.258468] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  402.265729] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  402.273011] warn_alloc_show_mem: 1 callbacks suppressed
[  402.273020] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  402.273022] Mem-Info:
[  402.273051] active_anon:52805 inactive_anon:249 isolated_anon:0
[  402.273051]  active_file:17 inactive_file:10 isolated_file:0
[  402.273051]  unevictable:0 dirty:0 writeback:0 unstable:0
[  402.273051]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  402.273051]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  402.273051]  free:13758 free_pcp:272 free_cma:0
[  402.278384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.278391] Call Trace:
[  402.285751] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.288141]  <IRQ>
[  402.320999] 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
[  402.330357]  dump_stack+0x244/0x39d
[  402.332910] lowmem_reserve[]: 0 2818 6321 6321
[  402.360489]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.362613] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  402.388718]  warn_alloc.cold.116+0xb7/0x1bd
[  402.392309] lowmem_reserve[]: 0 0 3503 3503
[  402.396886]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.402045] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  402.429368]  ? lock_downgrade+0x900/0x900
[  402.433658] lowmem_reserve[]: 0 0 0 0
[  402.437974]  ? trace_hardirqs_off+0xb8/0x310
[  402.442785] 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
[  402.471668]  ? trace_hardirqs_off+0xb8/0x310
[  402.475802] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  402.479600]  __alloc_pages_slowpath+0x26e8/0x2e10
[  402.483977] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  402.497514]  ? warn_alloc+0x120/0x120
[  402.501878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  402.517029]  ? print_usage_bug+0xc0/0xc0
[  402.521851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  402.537264]  ? warn_alloc+0x120/0x120
[  402.541037] 326 total pagecache pages
[  402.549863]  ? warn_alloc+0x120/0x120
[  402.553899] 0 pages in swap cache
[  402.562456]  ? print_usage_bug+0xc0/0xc0
[  402.566230] Swap cache stats: add 0, delete 0, find 0/0
[  402.570011]  ? kvm_clock_read+0x18/0x30
[  402.573784] Free swap  = 0kB
[  402.577226]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  402.581260] Total swap = 0kB
[  402.581268] 1965979 pages RAM
[  402.586620]  ? print_usage_bug+0xc0/0xc0
[  402.590562] 0 pages HighMem/MovableOnly
[  402.590570] 342854 pages reserved
[  402.593576]  ? __lock_acquire+0x62f/0x4c20
[  402.598565] 0 pages cma reserved
[  402.601574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.604702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.608698]  ? should_fail+0x22d/0xd01
[  402.608711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.608728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.612726] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.616116]  ? __lock_acquire+0x62f/0x4c20
[  402.620321] syz-fuzzer cpuset=/ mems_allowed=0
[  402.623676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.674440]  ? __lock_acquire+0x62f/0x4c20
[  402.678672]  ? should_fail+0x22d/0xd01
[  402.682552]  ? rcu_irq_exit+0x1a2/0x390
[  402.686534]  ? mark_held_locks+0x130/0x130
[  402.690770]  ? mark_held_locks+0x130/0x130
[  402.695005]  ? mark_held_locks+0xc7/0x130
[  402.699147]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  402.704162]  ? zap_class+0x640/0x640
[  402.707871]  ? print_usage_bug+0xc0/0xc0
[  402.711933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.717473]  ? check_preemption_disabled+0x48/0x280
[  402.722492]  ? __lock_is_held+0xb5/0x140
[  402.726559]  __alloc_pages_nodemask+0xa80/0xde0
[  402.731222]  ? zap_class+0x640/0x640
[  402.734938]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.739958]  ? find_held_lock+0x36/0x1c0
[  402.744024]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.748692]  ? lock_downgrade+0x900/0x900
[  402.752847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.758382]  cache_grow_begin+0xa5/0x8c0
[  402.762436]  ? do_raw_spin_unlock+0xa7/0x330
[  402.766851]  fallback_alloc+0x204/0x2e0
[  402.770831]  ____cache_alloc_node+0x1c7/0x1e0
[  402.775329]  kmem_cache_alloc_node+0xe3/0x730
[  402.779822]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.784060]  __alloc_skb+0x119/0x770
[  402.787766]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.793045]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.797446]  ? lock_downgrade+0x900/0x900
[  402.801594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.807126]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.812578]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.818023]  ? addrconf_rs_timer+0x690/0x690
[  402.822442]  ndisc_alloc_skb+0x144/0x340
[  402.826519]  ndisc_send_rs+0x331/0x6e0
[  402.830411]  addrconf_rs_timer+0x314/0x690
[  402.834646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.838887]  call_timer_fn+0x272/0x920
[  402.842772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.847000]  ? process_timeout+0x40/0x40
[  402.851064]  ? __run_timers+0x7da/0xc70
[  402.855035]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.859525]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.864012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.868244]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.872838]  ? trace_hardirqs_on+0xbd/0x310
[  402.877152]  ? kasan_check_read+0x11/0x20
[  402.881380]  ? __run_timers+0x7da/0xc70
[  402.885361]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.890463]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.894706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.898933]  __run_timers+0x7e5/0xc70
[  402.902738]  ? timer_fixup_init+0x70/0x70
[  402.906882]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  402.911893]  ? zap_class+0x640/0x640
[  402.915604]  ? enqueue_hrtimer+0x1a5/0x560
[  402.919836]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  402.925027]  ? find_held_lock+0x36/0x1c0
[  402.929086]  ? zap_class+0x640/0x640
[  402.932802]  ? pvclock_read_flags+0x160/0x160
[  402.937305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.942844]  ? check_preemption_disabled+0x48/0x280
[  402.947865]  ? __lock_is_held+0xb5/0x140
[  402.951922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.957454]  ? check_preemption_disabled+0x48/0x280
[  402.962471]  run_timer_softirq+0x52/0xb0
[  402.966528]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.971539]  __do_softirq+0x308/0xb7e
[  402.975340]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  402.979831]  ? lock_downgrade+0x900/0x900
[  402.983982]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.989085]  ? pvclock_read_flags+0x160/0x160
[  402.993576]  ? lapic_next_event+0x5a/0x90
[  402.997722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.003261]  ? kvm_clock_read+0x18/0x30
[  403.007236]  ? kvm_sched_clock_read+0x9/0x20
[  403.011646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.017178]  ? check_preemption_disabled+0x48/0x280
[  403.022201]  irq_exit+0x17f/0x1c0
[  403.025652]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.030492]  ? smp_call_function_single_interrupt+0x159/0x650
[  403.036371]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.042252]  ? interrupt_entry+0xb5/0xc0
[  403.046320]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.051344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.056368]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.061227]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.066248]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.071278]  ? task_prio+0x50/0x50
[  403.074816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.080347]  ? check_preemption_disabled+0x48/0x280
[  403.085364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.090211]  apic_timer_interrupt+0xf/0x20
[  403.094438]  </IRQ>
[  403.096674] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  403.102555] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  403.121464] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  403.129166] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  403.136430] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  403.143691] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  403.150952] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  403.158216] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  403.165509]  ? save_stack+0xa9/0xd0
[  403.169142]  __kmalloc_node_track_caller+0x3c/0x70
[  403.174070]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  403.178829]  pskb_expand_head+0x230/0x10f0
[  403.183062]  ? memcpy+0x45/0x50
[  403.186339]  ? __copy_skb_header+0x350/0x6b0
[  403.190742]  ? skb_release_data+0x880/0x880
[  403.195062]  ? __alloc_skb+0x770/0x770
[  403.198956]  ? __lock_is_held+0xb5/0x140
[  403.203018]  ? kasan_check_write+0x14/0x20
[  403.207254]  ? __skb_clone+0x6c7/0xa00
[  403.211141]  ? __copy_skb_header+0x6b0/0x6b0
[  403.215542]  ? kmem_cache_alloc+0x33a/0x730
[  403.219870]  skb_ensure_writable+0x3dd/0x640
[  403.224285]  ? skb_checksum_setup+0xaa0/0xaa0
[  403.228775]  ? check_preemption_disabled+0x48/0x280
[  403.233799]  ? __this_cpu_preempt_check+0x1c/0x20
[  403.238643]  ? __bpf_redirect+0x54b/0xb20
[  403.242798]  bpf_clone_redirect+0x14a/0x490
[  403.247126]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  403.252140]  ? __sched_text_start+0x8/0x8
[  403.256290]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.260865]  ? retint_kernel+0x2d/0x2d
[  403.264750]  ? trace_hardirqs_on_caller+0xc0/0x310
[  403.269685]  ? find_held_lock+0x36/0x1c0
[  403.273751]  ? lock_acquire+0x1ed/0x520
[  403.277741]  ? bpf_test_run+0x3cb/0x780
[  403.281709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.287256]  ? check_preemption_disabled+0x48/0x280
[  403.292282]  ? kasan_check_read+0x11/0x20
[  403.296423]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.301697]  ? rcu_softirq_qs+0x20/0x20
[  403.305666]  ? preempt_schedule+0x4d/0x60
[  403.309809]  ? ___preempt_schedule+0x16/0x18
[  403.314220]  ? bpf_test_run+0x25d/0x780
[  403.318205]  ? netlink_diag_dump+0x2a0/0x2a0
[  403.322619]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  403.327388]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.332226]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  403.337764]  ? fput+0x130/0x1a0
[  403.341050]  ? __bpf_prog_get+0x9b/0x290
[  403.345108]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.349941]  ? bpf_prog_test_run+0x130/0x1a0
[  403.354524]  ? __x64_sys_bpf+0x3d8/0x520
[  403.358583]  ? bpf_prog_get+0x20/0x20
[  403.362389]  ? do_syscall_64+0x142/0x820
[  403.366454]  ? do_syscall_64+0x1b9/0x820
[  403.370509]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  403.375871]  ? syscall_return_slowpath+0x5e0/0x5e0
[  403.380797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.385637]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.390649]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  403.395662]  ? prepare_exit_to_usermode+0x291/0x3b0
[  403.400684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.405529]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  403.410904] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  403.410967] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.417918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.417923] Call Trace:
[  403.417928]  <IRQ>
[  403.417944]  dump_stack+0x244/0x39d
[  403.417963]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.424476] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.433798]  warn_alloc.cold.116+0xb7/0x1bd
[  403.436352] syz-executor1 cpuset=syz1 mems_allowed=0
[  403.438489]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.471955]  ? lock_downgrade+0x900/0x900
[  403.476109]  ? trace_hardirqs_off+0xb8/0x310
[  403.480609]  ? trace_hardirqs_off+0xb8/0x310
[  403.485021]  __alloc_pages_slowpath+0x26e8/0x2e10
[  403.489884]  ? warn_alloc+0x120/0x120
[  403.493685]  ? print_usage_bug+0xc0/0xc0
[  403.497741]  ? warn_alloc+0x120/0x120
[  403.501540]  ? warn_alloc+0x120/0x120
[  403.505783]  ? print_usage_bug+0xc0/0xc0
[  403.509845]  ? print_usage_bug+0xc0/0xc0
[  403.513903]  ? __lock_acquire+0x62f/0x4c20
[  403.518139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.523672]  ? should_fail+0x22d/0xd01
[  403.527563]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.532661]  ? __lock_acquire+0x62f/0x4c20
[  403.536902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.542001]  ? __lock_acquire+0x62f/0x4c20
[  403.546236]  ? should_fail+0x22d/0xd01
[  403.550124]  ? find_held_lock+0x36/0x1c0
[  403.554188]  ? mark_held_locks+0x130/0x130
[  403.558429]  ? mark_held_locks+0x130/0x130
[  403.562659]  ? zap_class+0x640/0x640
[  403.566385]  ? zap_class+0x640/0x640
[  403.570097]  ? print_usage_bug+0xc0/0xc0
[  403.574149]  ? do_raw_spin_unlock+0xa7/0x330
[  403.578554]  ? zap_class+0x640/0x640
[  403.582281]  ? print_usage_bug+0xc0/0xc0
[  403.586336]  ? wq_watchdog_touch+0x9c/0xfe
[  403.590570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.596103]  ? check_preemption_disabled+0x48/0x280
[  403.601127]  ? __lock_is_held+0xb5/0x140
[  403.605195]  __alloc_pages_nodemask+0xa80/0xde0
[  403.609868]  ? zap_class+0x640/0x640
[  403.613581]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.618604]  ? find_held_lock+0x36/0x1c0
[  403.622670]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.627338]  ? lock_downgrade+0x900/0x900
[  403.631491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.637027]  cache_grow_begin+0xa5/0x8c0
[  403.641086]  ? do_raw_spin_unlock+0xa7/0x330
[  403.645500]  fallback_alloc+0x204/0x2e0
[  403.649474]  ____cache_alloc_node+0x1c7/0x1e0
[  403.653969]  kmem_cache_alloc_node+0xe3/0x730
[  403.658546]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.662787]  __alloc_skb+0x119/0x770
[  403.666952]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.672235]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.676644]  ? lock_downgrade+0x900/0x900
[  403.680797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.686333]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.691781]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.697231]  ? addrconf_rs_timer+0x690/0x690
[  403.701648]  ndisc_alloc_skb+0x144/0x340
[  403.705710]  ndisc_send_rs+0x331/0x6e0
[  403.709596]  addrconf_rs_timer+0x314/0x690
[  403.713831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.718069]  call_timer_fn+0x272/0x920
[  403.721950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.726179]  ? process_timeout+0x40/0x40
[  403.730253]  ? mark_held_locks+0xc7/0x130
[  403.734403]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.738894]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.743381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.747609]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.752192]  ? trace_hardirqs_on+0xbd/0x310
[  403.756514]  ? kasan_check_read+0x11/0x20
[  403.760654]  ? __run_timers+0x7da/0xc70
[  403.764623]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.769722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.773954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.778181]  __run_timers+0x7e5/0xc70
[  403.781992]  ? timer_fixup_init+0x70/0x70
[  403.786137]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.791152]  ? zap_class+0x640/0x640
[  403.794869]  ? print_usage_bug+0xc0/0xc0
[  403.798931]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.804123]  ? find_held_lock+0x36/0x1c0
[  403.808211]  ? zap_class+0x640/0x640
[  403.811927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.817464]  ? check_preemption_disabled+0x48/0x280
[  403.822486]  ? __lock_is_held+0xb5/0x140
[  403.826545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.832080]  ? check_preemption_disabled+0x48/0x280
[  403.837097]  run_timer_softirq+0x52/0xb0
[  403.841152]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.846163]  __do_softirq+0x308/0xb7e
[  403.849971]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.854473]  ? lock_downgrade+0x900/0x900
[  403.858620]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.863725]  ? pvclock_read_flags+0x160/0x160
[  403.868222]  ? lapic_next_event+0x5a/0x90
[  403.872377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.877913]  ? kvm_clock_read+0x18/0x30
[  403.881885]  ? kvm_sched_clock_read+0x9/0x20
[  403.886292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.891825]  ? check_preemption_disabled+0x48/0x280
[  403.896843]  irq_exit+0x17f/0x1c0
[  403.900295]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.905137]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.911018]  ? interrupt_entry+0xb5/0xc0
[  403.915076]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.920085]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.925097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.929934]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.934948]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.939961]  ? task_prio+0x50/0x50
[  403.943496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.949028]  ? check_preemption_disabled+0x48/0x280
[  403.954046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.958890]  apic_timer_interrupt+0xf/0x20
[  403.963115]  </IRQ>
[  403.965351] RIP: 0010:dump_stack+0x358/0x39d
[  403.969757] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  403.988650] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  403.996353] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  404.003621] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  404.010884] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  404.018144] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  404.025408] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  404.032689]  ? dump_stack+0x34f/0x39d
[  404.036496]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.041687]  ? mark_held_locks+0x130/0x130
[  404.045930]  ? mark_held_locks+0x130/0x130
[  404.050164]  dump_header+0x27b/0xf72
[  404.053891]  ? pagefault_out_of_memory+0x197/0x197
[  404.058825]  ? __lock_acquire+0x62f/0x4c20
[  404.063060]  ? percpu_ref_get_many+0x240/0x240
[  404.067638]  ? print_usage_bug+0xc0/0xc0
[  404.071722]  ? zap_class+0x640/0x640
[  404.075437]  ? print_usage_bug+0xc0/0xc0
[  404.079496]  ? print_usage_bug+0xc0/0xc0
[  404.083552]  ? zap_class+0x640/0x640
[  404.087268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.092828]  ? find_held_lock+0x36/0x1c0
[  404.096894]  ? mark_held_locks+0xc7/0x130
[  404.101042]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  404.106139]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  404.111240]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.115818]  ? trace_hardirqs_on+0xbd/0x310
[  404.120146]  ? kasan_check_read+0x11/0x20
[  404.124294]  ? ___ratelimit+0x3b4/0x672
[  404.128267]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.133368]  ? trace_hardirqs_on+0x310/0x310
[  404.137772]  ? lock_downgrade+0x900/0x900
[  404.141918]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.147016]  ? ___ratelimit+0x3b9/0x672
[  404.150988]  ? idr_get_free+0xf70/0xf70
[  404.154964]  ? find_held_lock+0x36/0x1c0
[  404.159032]  oom_kill_process.cold.27+0x10/0x903
[  404.163790]  ? zap_class+0x640/0x640
[  404.167513]  ? check_preemption_disabled+0x48/0x280
[  404.172527]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.177448]  ? kasan_check_read+0x11/0x20
[  404.181589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.186866]  ? oom_evaluate_task+0x540/0x540
[  404.191271]  ? find_held_lock+0x36/0x1c0
[  404.195336]  ? out_of_memory+0x974/0x1430
[  404.199480]  ? lock_downgrade+0x900/0x900
[  404.203626]  ? check_preemption_disabled+0x48/0x280
[  404.208639]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.213565]  ? kasan_check_read+0x11/0x20
[  404.217708]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.222988]  ? rcu_softirq_qs+0x20/0x20
[  404.226961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.232490]  ? oom_evaluate_task+0x302/0x540
[  404.236901]  out_of_memory+0xa84/0x1430
[  404.240876]  ? oom_killer_disable+0x3a0/0x3a0
[  404.245371]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  404.250297]  ? __ww_mutex_check_waiters+0x160/0x160
[  404.255320]  __alloc_pages_slowpath+0x2354/0x2e10
[  404.260191]  ? warn_alloc+0x120/0x120
[  404.263990]  ? mark_held_locks+0x130/0x130
[  404.268227]  ? find_get_entry+0xaae/0x1120
[  404.272466]  ? filemap_map_pages+0x1a20/0x1a20
[  404.277050]  ? zap_class+0x640/0x640
[  404.280764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.286297]  ? check_preemption_disabled+0x48/0x280
[  404.291313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.296846]  ? should_fail+0x22d/0xd01
[  404.300735]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.305838]  ? zap_class+0x640/0x640
[  404.309571]  ? __lock_is_held+0xb5/0x140
[  404.313634]  ? mark_held_locks+0x130/0x130
[  404.317865]  ? lock_release+0xa00/0xa00
[  404.321837]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.327285]  ? xa_load+0x2ba/0x460
[  404.330820]  ? lock_downgrade+0x900/0x900
[  404.334967]  ? __might_sleep+0x95/0x190
[  404.338940]  __alloc_pages_nodemask+0xa80/0xde0
[  404.343611]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  404.348627]  ? __page_cache_alloc+0x191/0x5c0
[  404.353117]  ? xa_load+0x2e1/0x460
[  404.356656]  ? xa_clear_mark+0x40/0x40
[  404.360540]  ? zap_class+0x640/0x640
[  404.364258]  ? zap_class+0x640/0x640
[  404.367963]  ? zap_class+0x640/0x640
[  404.371676]  ? __do_page_cache_readahead+0x663/0x810
[  404.376778]  ? find_held_lock+0x36/0x1c0
[  404.380840]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  404.386379]  alloc_pages_current+0x173/0x350
[  404.390791]  __page_cache_alloc+0x38c/0x5c0
[  404.395107]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.400033]  ? kasan_check_read+0x11/0x20
[  404.404181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.409459]  ? generic_perform_write+0x6a0/0x6a0
[  404.414213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.419744]  ? check_preemption_disabled+0x48/0x280
[  404.424763]  filemap_fault+0x1595/0x25f0
[  404.428831]  ? __lock_page_or_retry+0xa00/0xa00
[  404.433499]  ? mark_held_locks+0x130/0x130
[  404.437740]  ? filemap_map_pages+0xd6b/0x1a20
[  404.442235]  ? lock_downgrade+0x900/0x900
[  404.446810]  ? check_preemption_disabled+0x48/0x280
[  404.451825]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.456762]  ? kasan_check_read+0x11/0x20
[  404.460903]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.466178]  ? rcu_softirq_qs+0x20/0x20
[  404.470172]  ? filemap_map_pages+0xd92/0x1a20
[  404.474670]  ? print_usage_bug+0xc0/0xc0
[  404.478731]  ? find_get_entries_tag+0x1400/0x1400
[  404.483566]  ? __kasan_slab_free+0x102/0x150
[  404.487972]  ? kasan_slab_free+0xe/0x10
[  404.491938]  ? kmem_cache_free+0x83/0x290
[  404.496080]  ? __sigqueue_free.part.29+0x74/0x90
[  404.500848]  ? lock_acquire+0x1ed/0x520
[  404.505242]  ? ext4_filemap_fault+0x7a/0xad
[  404.509566]  ? lock_release+0xa00/0xa00
[  404.513538]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.518987]  ? print_usage_bug+0xc0/0xc0
[  404.523048]  ? print_usage_bug+0xc0/0xc0
[  404.527114]  ? down_read+0x8d/0x120
[  404.530743]  ? ext4_filemap_fault+0x7a/0xad
[  404.535061]  ? __down_interruptible+0x700/0x700
[  404.539735]  ext4_filemap_fault+0x82/0xad
[  404.543879]  __do_fault+0x100/0x6b0
[  404.547506]  ? pmd_devmap_trans_unstable+0x220/0x220
[  404.552607]  ? mark_held_locks+0x130/0x130
[  404.556839]  ? mark_held_locks+0x130/0x130
[  404.561072]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  404.566615]  ? rcu_pm_notify+0xc0/0xc0
[  404.570508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.576046]  __handle_mm_fault+0x3ea0/0x5be0
[  404.580459]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  404.585294]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.589784]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.594364]  ? trace_hardirqs_on+0xbd/0x310
[  404.598679]  ? kasan_check_read+0x11/0x20
[  404.602824]  ? __set_current_blocked+0xdf/0x120
[  404.607491]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.612603]  ? zap_class+0x640/0x640
[  404.616310]  ? zap_class+0x640/0x640
[  404.620023]  ? find_held_lock+0x36/0x1c0
[  404.624263]  ? handle_mm_fault+0x42a/0xc70
[  404.628493]  ? lock_downgrade+0x900/0x900
[  404.632639]  ? check_preemption_disabled+0x48/0x280
[  404.637656]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.642578]  ? kasan_check_read+0x11/0x20
[  404.646719]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.651991]  ? rcu_softirq_qs+0x20/0x20
[  404.655956]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.661056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.666590]  ? check_preemption_disabled+0x48/0x280
[  404.671938]  handle_mm_fault+0x54f/0xc70
[  404.675998]  ? __handle_mm_fault+0x5be0/0x5be0
[  404.680580]  ? find_vma+0x34/0x190
[  404.684121]  __do_page_fault+0x5e8/0xe60
[  404.688190]  ? exit_to_usermode_loop+0x1f4/0x380
[  404.692949]  do_page_fault+0xf2/0x7e0
[  404.696745]  ? vmalloc_sync_all+0x30/0x30
[  404.700892]  ? error_entry+0x70/0xd0
[  404.704608]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.709617]  ? trace_hardirqs_on_caller+0xc0/0x310
[  404.714545]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.719468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.724309]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.729319]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.734768]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.739777]  ? page_fault+0x8/0x30
[  404.743317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.748162]  ? page_fault+0x8/0x30
[  404.751700]  page_fault+0x1e/0x30
[  404.755150] RIP: 0033:0x45db60
[  404.758360] Code: Bad RIP value.
[  404.761715] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  404.767070] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  404.774335] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  404.781597] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  404.788859] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  404.796132] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  404.803427] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  404.803431] warn_alloc_show_mem: 1 callbacks suppressed
[  404.803437] Mem-Info:
[  404.811313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.816673] active_anon:52805 inactive_anon:249 isolated_anon:0
[  404.816673]  active_file:17 inactive_file:10 isolated_file:0
[  404.816673]  unevictable:0 dirty:0 writeback:0 unstable:0
[  404.816673]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  404.816673]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  404.816673]  free:13758 free_pcp:272 free_cma:0
[  404.819048] Call Trace:
[  404.828435] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  404.861274]  <IRQ>
[  404.863835] 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
[  404.891687]  dump_stack+0x244/0x39d
[  404.893808] lowmem_reserve[]: 0 2818 6321 6321
[  404.920170]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.923765] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  404.928344]  warn_alloc.cold.116+0xb7/0x1bd
[  404.933497] lowmem_reserve[]: 0 0 3503 3503
[  404.960808]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.965101] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  404.969430]  ? lock_downgrade+0x900/0x900
[  404.974236] lowmem_reserve[]: 0 0 0 0
[  405.003129]  ? trace_hardirqs_off+0xb8/0x310
[  405.007248] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  405.011044]  ? trace_hardirqs_off+0xb8/0x310
[  405.015418] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  405.028936]  __alloc_pages_slowpath+0x26e8/0x2e10
[  405.033311] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  405.048510]  ? warn_alloc+0x120/0x120
[  405.053309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  405.068725]  ? print_usage_bug+0xc0/0xc0
[  405.072496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  405.072503] 326 total pagecache pages
[  405.081329]  ? warn_alloc+0x120/0x120
[  405.085368] 0 pages in swap cache
[  405.093924]  ? warn_alloc+0x120/0x120
[  405.097701] Swap cache stats: add 0, delete 0, find 0/0
[  405.101500]  ? print_usage_bug+0xc0/0xc0
[  405.104923] Free swap  = 0kB
[  405.108714]  ? print_usage_bug+0xc0/0xc0
[  405.114139] Total swap = 0kB
[  405.118188]  ? __lock_acquire+0x62f/0x4c20
[  405.121180] 1965979 pages RAM
[  405.125232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.128218] 0 pages HighMem/MovableOnly
[  405.132440]  ? should_fail+0x22d/0xd01
[  405.135513] 342854 pages reserved
[  405.135521] 0 pages cma reserved
[  405.141045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.145058] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.148861]  ? __lock_acquire+0x62f/0x4c20
[  405.148879]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.148894]  ? __lock_acquire+0x62f/0x4c20
[  405.152366] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.155672]  ? should_fail+0x22d/0xd01
[  405.160743] syz-fuzzer cpuset=/ mems_allowed=0
[  405.167223]  ? find_held_lock+0x36/0x1c0
[  405.203424]  ? mark_held_locks+0x130/0x130
[  405.207662]  ? mark_held_locks+0x130/0x130
[  405.211889]  ? zap_class+0x640/0x640
[  405.215597]  ? zap_class+0x640/0x640
[  405.219314]  ? print_usage_bug+0xc0/0xc0
[  405.223367]  ? do_raw_spin_unlock+0xa7/0x330
[  405.227773]  ? zap_class+0x640/0x640
[  405.231481]  ? print_usage_bug+0xc0/0xc0
[  405.235537]  ? wq_watchdog_touch+0x9c/0xfe
[  405.239768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.245302]  ? check_preemption_disabled+0x48/0x280
[  405.250322]  ? __lock_is_held+0xb5/0x140
[  405.254384]  __alloc_pages_nodemask+0xa80/0xde0
[  405.259048]  ? zap_class+0x640/0x640
[  405.262764]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.267785]  ? find_held_lock+0x36/0x1c0
[  405.271850]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.276514]  ? lock_downgrade+0x900/0x900
[  405.280667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.286204]  cache_grow_begin+0xa5/0x8c0
[  405.290258]  ? do_raw_spin_unlock+0xa7/0x330
[  405.294684]  fallback_alloc+0x204/0x2e0
[  405.298664]  ____cache_alloc_node+0x1c7/0x1e0
[  405.303162]  kmem_cache_alloc_node+0xe3/0x730
[  405.307656]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.311896]  __alloc_skb+0x119/0x770
[  405.315604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.320884]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.325288]  ? lock_downgrade+0x900/0x900
[  405.329436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.334969]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.340417]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.345862]  ? addrconf_rs_timer+0x690/0x690
[  405.350277]  ndisc_alloc_skb+0x144/0x340
[  405.354339]  ndisc_send_rs+0x331/0x6e0
[  405.358231]  addrconf_rs_timer+0x314/0x690
[  405.362464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.366706]  call_timer_fn+0x272/0x920
[  405.370590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.374827]  ? process_timeout+0x40/0x40
[  405.378894]  ? __run_timers+0x7da/0xc70
[  405.382865]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.387354]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.391842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.396083]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.400664]  ? trace_hardirqs_on+0xbd/0x310
[  405.404979]  ? kasan_check_read+0x11/0x20
[  405.409120]  ? __run_timers+0x7da/0xc70
[  405.413095]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.418197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.422433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.426660]  __run_timers+0x7e5/0xc70
[  405.430464]  ? timer_fixup_init+0x70/0x70
[  405.434618]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.439635]  ? zap_class+0x640/0x640
[  405.443349]  ? enqueue_hrtimer+0x1a5/0x560
[  405.447587]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.452781]  ? find_held_lock+0x36/0x1c0
[  405.456840]  ? zap_class+0x640/0x640
[  405.460552]  ? pvclock_read_flags+0x160/0x160
[  405.465044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.470586]  ? check_preemption_disabled+0x48/0x280
[  405.475613]  ? __lock_is_held+0xb5/0x140
[  405.479671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.485205]  ? check_preemption_disabled+0x48/0x280
[  405.490221]  run_timer_softirq+0x52/0xb0
[  405.494284]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.499295]  __do_softirq+0x308/0xb7e
[  405.503103]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  405.507875]  ? lock_downgrade+0x900/0x900
[  405.512028]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.517137]  ? pvclock_read_flags+0x160/0x160
[  405.521628]  ? lapic_next_event+0x5a/0x90
[  405.525773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.531324]  ? kvm_clock_read+0x18/0x30
[  405.535291]  ? kvm_sched_clock_read+0x9/0x20
[  405.539696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.545230]  ? check_preemption_disabled+0x48/0x280
[  405.550252]  irq_exit+0x17f/0x1c0
[  405.553702]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.558542]  ? smp_call_function_single_interrupt+0x159/0x650
[  405.564423]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.570305]  ? interrupt_entry+0xb5/0xc0
[  405.574363]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.579379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.584393]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.589231]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.594243]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.599254]  ? task_prio+0x50/0x50
[  405.602793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.608330]  ? check_preemption_disabled+0x48/0x280
[  405.613350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.618197]  apic_timer_interrupt+0xf/0x20
[  405.622424]  </IRQ>
[  405.624662] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  405.630545] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  405.649438] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  405.657141] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  405.664401] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  405.672164] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  405.679427] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  405.686688] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  405.693978]  ? save_stack+0xa9/0xd0
[  405.697618]  __kmalloc_node_track_caller+0x3c/0x70
[  405.702551]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  405.707310]  pskb_expand_head+0x230/0x10f0
[  405.711546]  ? memcpy+0x45/0x50
[  405.714822]  ? __copy_skb_header+0x350/0x6b0
[  405.719232]  ? skb_release_data+0x880/0x880
[  405.723552]  ? __alloc_skb+0x770/0x770
[  405.727446]  ? __lock_is_held+0xb5/0x140
[  405.731512]  ? kasan_check_write+0x14/0x20
[  405.735740]  ? __skb_clone+0x6c7/0xa00
[  405.739629]  ? __copy_skb_header+0x6b0/0x6b0
[  405.744033]  ? kmem_cache_alloc+0x33a/0x730
[  405.748366]  skb_ensure_writable+0x3dd/0x640
[  405.752775]  ? skb_checksum_setup+0xaa0/0xaa0
[  405.757271]  ? check_preemption_disabled+0x48/0x280
[  405.762293]  ? __this_cpu_preempt_check+0x1c/0x20
[  405.767133]  ? __bpf_redirect+0x54b/0xb20
[  405.771289]  bpf_clone_redirect+0x14a/0x490
[  405.775613]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  405.780630]  ? __sched_text_start+0x8/0x8
[  405.784777]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.789354]  ? retint_kernel+0x2d/0x2d
[  405.793707]  ? trace_hardirqs_on_caller+0xc0/0x310
[  405.798635]  ? find_held_lock+0x36/0x1c0
[  405.802701]  ? lock_acquire+0x1ed/0x520
[  405.806673]  ? bpf_test_run+0x3cb/0x780
[  405.810648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.816182]  ? check_preemption_disabled+0x48/0x280
[  405.821202]  ? kasan_check_read+0x11/0x20
[  405.825343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.830614]  ? rcu_softirq_qs+0x20/0x20
[  405.834589]  ? preempt_schedule+0x4d/0x60
[  405.838733]  ? ___preempt_schedule+0x16/0x18
[  405.843148]  ? bpf_test_run+0x25d/0x780
[  405.847126]  ? netlink_diag_dump+0x2a0/0x2a0
[  405.851543]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  405.856312]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.861497]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  405.867028]  ? fput+0x130/0x1a0
[  405.870311]  ? __bpf_prog_get+0x9b/0x290
[  405.874372]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.879208]  ? bpf_prog_test_run+0x130/0x1a0
[  405.883616]  ? __x64_sys_bpf+0x3d8/0x520
[  405.887672]  ? bpf_prog_get+0x20/0x20
[  405.891480]  ? do_syscall_64+0x142/0x820
[  405.895545]  ? do_syscall_64+0x1b9/0x820
[  405.899607]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  405.904966]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.909889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.914728]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.919740]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.924756]  ? prepare_exit_to_usermode+0x291/0x3b0
[  405.929771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.934617]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  405.939993] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  405.940064] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.947017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.953575] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.962826] Call Trace:
[  405.973303] syz-executor1 cpuset=syz1 mems_allowed=0
[  405.975870]  <IRQ>
[  405.983095]  dump_stack+0x244/0x39d
[  405.986725]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.991936]  warn_alloc.cold.116+0xb7/0x1bd
[  405.996268]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.001111]  ? lock_downgrade+0x900/0x900
[  406.005265]  ? trace_hardirqs_off+0xb8/0x310
[  406.009674]  ? trace_hardirqs_off+0xb8/0x310
[  406.014090]  __alloc_pages_slowpath+0x26e8/0x2e10
[  406.018955]  ? warn_alloc+0x120/0x120
[  406.022754]  ? print_usage_bug+0xc0/0xc0
[  406.026814]  ? warn_alloc+0x120/0x120
[  406.030613]  ? warn_alloc+0x120/0x120
[  406.034412]  ? print_usage_bug+0xc0/0xc0
[  406.038472]  ? print_usage_bug+0xc0/0xc0
[  406.042532]  ? __lock_acquire+0x62f/0x4c20
[  406.046768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.052299]  ? should_fail+0x22d/0xd01
[  406.056189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.061400]  ? __lock_acquire+0x62f/0x4c20
[  406.065635]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.070731]  ? __lock_acquire+0x62f/0x4c20
[  406.074959]  ? should_fail+0x22d/0xd01
[  406.078841]  ? find_held_lock+0x36/0x1c0
[  406.082909]  ? mark_held_locks+0x130/0x130
[  406.087143]  ? mark_held_locks+0x130/0x130
[  406.091371]  ? zap_class+0x640/0x640
[  406.095084]  ? zap_class+0x640/0x640
[  406.098798]  ? print_usage_bug+0xc0/0xc0
[  406.102855]  ? do_raw_spin_unlock+0xa7/0x330
[  406.107257]  ? zap_class+0x640/0x640
[  406.110968]  ? print_usage_bug+0xc0/0xc0
[  406.115032]  ? wq_watchdog_touch+0x9c/0xfe
[  406.119273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.124806]  ? check_preemption_disabled+0x48/0x280
[  406.129826]  ? __lock_is_held+0xb5/0x140
[  406.133886]  __alloc_pages_nodemask+0xa80/0xde0
[  406.138552]  ? zap_class+0x640/0x640
[  406.142266]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.147292]  ? find_held_lock+0x36/0x1c0
[  406.151356]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.156029]  ? lock_downgrade+0x900/0x900
[  406.160186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.165722]  cache_grow_begin+0xa5/0x8c0
[  406.169778]  ? do_raw_spin_unlock+0xa7/0x330
[  406.174193]  fallback_alloc+0x204/0x2e0
[  406.178169]  ____cache_alloc_node+0x1c7/0x1e0
[  406.182667]  kmem_cache_alloc_node+0xe3/0x730
[  406.187161]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.191400]  __alloc_skb+0x119/0x770
[  406.195111]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.200386]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.204793]  ? lock_downgrade+0x900/0x900
[  406.208944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.214481]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.219929]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.225374]  ? addrconf_rs_timer+0x690/0x690
[  406.229786]  ndisc_alloc_skb+0x144/0x340
[  406.233846]  ndisc_send_rs+0x331/0x6e0
[  406.237736]  addrconf_rs_timer+0x314/0x690
[  406.241973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.246219]  call_timer_fn+0x272/0x920
[  406.250101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.254335]  ? process_timeout+0x40/0x40
[  406.258400]  ? mark_held_locks+0xc7/0x130
[  406.262546]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.267033]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.271524]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.275754]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.280332]  ? trace_hardirqs_on+0xbd/0x310
[  406.284646]  ? kasan_check_read+0x11/0x20
[  406.288788]  ? __run_timers+0x7da/0xc70
[  406.292759]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.297858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.302097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.306325]  __run_timers+0x7e5/0xc70
[  406.310130]  ? timer_fixup_init+0x70/0x70
[  406.314278]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.319290]  ? zap_class+0x640/0x640
[  406.323013]  ? print_usage_bug+0xc0/0xc0
[  406.327075]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.332267]  ? find_held_lock+0x36/0x1c0
[  406.336328]  ? zap_class+0x640/0x640
[  406.340047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.345581]  ? check_preemption_disabled+0x48/0x280
[  406.350601]  ? __lock_is_held+0xb5/0x140
[  406.354657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.360362]  ? check_preemption_disabled+0x48/0x280
[  406.365378]  run_timer_softirq+0x52/0xb0
[  406.369435]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.374447]  __do_softirq+0x308/0xb7e
[  406.378245]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  406.382738]  ? lock_downgrade+0x900/0x900
[  406.386884]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.391998]  ? pvclock_read_flags+0x160/0x160
[  406.396508]  ? lapic_next_event+0x5a/0x90
[  406.400656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.406195]  ? kvm_clock_read+0x18/0x30
[  406.410164]  ? kvm_sched_clock_read+0x9/0x20
[  406.414571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.420108]  ? check_preemption_disabled+0x48/0x280
[  406.425132]  irq_exit+0x17f/0x1c0
[  406.428583]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.433424]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.439300]  ? interrupt_entry+0xb5/0xc0
[  406.443356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.448365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.453380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.458217]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.463226]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.468240]  ? task_prio+0x50/0x50
[  406.471964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.477511]  ? check_preemption_disabled+0x48/0x280
[  406.482528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.487375]  apic_timer_interrupt+0xf/0x20
[  406.491600]  </IRQ>
[  406.493834] RIP: 0010:dump_stack+0x358/0x39d
[  406.498240] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  406.517133] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  406.524834] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  406.532096] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  406.539360] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  406.546622] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  406.553887] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  406.561165]  ? dump_stack+0x34f/0x39d
[  406.564983]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.570173]  ? mark_held_locks+0x130/0x130
[  406.574403]  ? mark_held_locks+0x130/0x130
[  406.578636]  dump_header+0x27b/0xf72
[  406.582356]  ? pagefault_out_of_memory+0x197/0x197
[  406.587289]  ? __lock_acquire+0x62f/0x4c20
[  406.591517]  ? percpu_ref_get_many+0x240/0x240
[  406.596098]  ? print_usage_bug+0xc0/0xc0
[  406.600162]  ? zap_class+0x640/0x640
[  406.603876]  ? print_usage_bug+0xc0/0xc0
[  406.607931]  ? print_usage_bug+0xc0/0xc0
[  406.612002]  ? zap_class+0x640/0x640
[  406.615723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.621258]  ? find_held_lock+0x36/0x1c0
[  406.625325]  ? mark_held_locks+0xc7/0x130
[  406.629474]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.634569]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.639671]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.644251]  ? trace_hardirqs_on+0xbd/0x310
[  406.648571]  ? kasan_check_read+0x11/0x20
[  406.652713]  ? ___ratelimit+0x3b4/0x672
[  406.656684]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.661797]  ? trace_hardirqs_on+0x310/0x310
[  406.666204]  ? lock_downgrade+0x900/0x900
[  406.670355]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  406.675951]  ? ___ratelimit+0x3b9/0x672
[  406.679934]  ? idr_get_free+0xf70/0xf70
[  406.683906]  ? find_held_lock+0x36/0x1c0
[  406.687984]  oom_kill_process.cold.27+0x10/0x903
[  406.692741]  ? zap_class+0x640/0x640
[  406.696456]  ? check_preemption_disabled+0x48/0x280
[  406.701470]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.706393]  ? kasan_check_read+0x11/0x20
[  406.710536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.715813]  ? oom_evaluate_task+0x540/0x540
[  406.720220]  ? find_held_lock+0x36/0x1c0
[  406.724282]  ? out_of_memory+0x974/0x1430
[  406.728427]  ? lock_downgrade+0x900/0x900
[  406.732569]  ? check_preemption_disabled+0x48/0x280
[  406.737587]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.742512]  ? kasan_check_read+0x11/0x20
[  406.746655]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.751925]  ? rcu_softirq_qs+0x20/0x20
[  406.755901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.761433]  ? oom_evaluate_task+0x302/0x540
[  406.765840]  out_of_memory+0xa84/0x1430
[  406.769821]  ? oom_killer_disable+0x3a0/0x3a0
[  406.774312]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  406.779254]  ? __ww_mutex_check_waiters+0x160/0x160
[  406.784276]  __alloc_pages_slowpath+0x2354/0x2e10
[  406.789139]  ? warn_alloc+0x120/0x120
[  406.792933]  ? mark_held_locks+0x130/0x130
[  406.797176]  ? find_get_entry+0xaae/0x1120
[  406.801421]  ? filemap_map_pages+0x1a20/0x1a20
[  406.806012]  ? zap_class+0x640/0x640
[  406.809725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.815256]  ? check_preemption_disabled+0x48/0x280
[  406.820267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.825799]  ? should_fail+0x22d/0xd01
[  406.829686]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.834785]  ? zap_class+0x640/0x640
[  406.838518]  ? __lock_is_held+0xb5/0x140
[  406.842585]  ? mark_held_locks+0x130/0x130
[  406.846818]  ? lock_release+0xa00/0xa00
[  406.850788]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.856233]  ? xa_load+0x2ba/0x460
[  406.859770]  ? lock_downgrade+0x900/0x900
[  406.863921]  ? __might_sleep+0x95/0x190
[  406.867899]  __alloc_pages_nodemask+0xa80/0xde0
[  406.872569]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.877582]  ? __page_cache_alloc+0x191/0x5c0
[  406.882072]  ? xa_load+0x2e1/0x460
[  406.885610]  ? xa_clear_mark+0x40/0x40
[  406.889497]  ? zap_class+0x640/0x640
[  406.893215]  ? zap_class+0x640/0x640
[  406.896926]  ? zap_class+0x640/0x640
[  406.900643]  ? __do_page_cache_readahead+0x663/0x810
[  406.905744]  ? find_held_lock+0x36/0x1c0
[  406.909803]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  406.915342]  alloc_pages_current+0x173/0x350
[  406.919751]  __page_cache_alloc+0x38c/0x5c0
[  406.924065]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.928995]  ? kasan_check_read+0x11/0x20
[  406.933137]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.938411]  ? generic_perform_write+0x6a0/0x6a0
[  406.943162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.948695]  ? check_preemption_disabled+0x48/0x280
[  406.953714]  filemap_fault+0x1595/0x25f0
[  406.957781]  ? __lock_page_or_retry+0xa00/0xa00
[  406.962447]  ? mark_held_locks+0x130/0x130
[  406.966685]  ? filemap_map_pages+0xd6b/0x1a20
[  406.971182]  ? lock_downgrade+0x900/0x900
[  406.975324]  ? check_preemption_disabled+0x48/0x280
[  406.980340]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.985263]  ? kasan_check_read+0x11/0x20
[  406.989408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.994678]  ? rcu_softirq_qs+0x20/0x20
[  406.998665]  ? filemap_map_pages+0xd92/0x1a20
[  407.003158]  ? print_usage_bug+0xc0/0xc0
[  407.007221]  ? find_get_entries_tag+0x1400/0x1400
[  407.012061]  ? __kasan_slab_free+0x102/0x150
[  407.016463]  ? kasan_slab_free+0xe/0x10
[  407.020430]  ? kmem_cache_free+0x83/0x290
[  407.024571]  ? __sigqueue_free.part.29+0x74/0x90
[  407.029337]  ? lock_acquire+0x1ed/0x520
[  407.033307]  ? ext4_filemap_fault+0x7a/0xad
[  407.037632]  ? lock_release+0xa00/0xa00
[  407.041599]  ? perf_trace_sched_process_exec+0x860/0x860
[  407.047053]  ? print_usage_bug+0xc0/0xc0
[  407.051114]  ? print_usage_bug+0xc0/0xc0
[  407.055181]  ? down_read+0x8d/0x120
[  407.058803]  ? ext4_filemap_fault+0x7a/0xad
[  407.063121]  ? __down_interruptible+0x700/0x700
[  407.067798]  ext4_filemap_fault+0x82/0xad
[  407.071951]  __do_fault+0x100/0x6b0
[  407.075581]  ? pmd_devmap_trans_unstable+0x220/0x220
[  407.080686]  ? mark_held_locks+0x130/0x130
[  407.084919]  ? mark_held_locks+0x130/0x130
[  407.089155]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  407.094691]  ? rcu_pm_notify+0xc0/0xc0
[  407.098580]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.104116]  __handle_mm_fault+0x3ea0/0x5be0
[  407.108527]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  407.113362]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.117858]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.122455]  ? trace_hardirqs_on+0xbd/0x310
[  407.126771]  ? kasan_check_read+0x11/0x20
[  407.130914]  ? __set_current_blocked+0xdf/0x120
[  407.135584]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.140694]  ? zap_class+0x640/0x640
[  407.144400]  ? zap_class+0x640/0x640
[  407.148114]  ? find_held_lock+0x36/0x1c0
[  407.152182]  ? handle_mm_fault+0x42a/0xc70
[  407.156415]  ? lock_downgrade+0x900/0x900
[  407.160562]  ? check_preemption_disabled+0x48/0x280
[  407.165576]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.170504]  ? kasan_check_read+0x11/0x20
[  407.174645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.179915]  ? rcu_softirq_qs+0x20/0x20
[  407.183903]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.189014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.194545]  ? check_preemption_disabled+0x48/0x280
[  407.199565]  handle_mm_fault+0x54f/0xc70
[  407.203623]  ? __handle_mm_fault+0x5be0/0x5be0
[  407.208206]  ? find_vma+0x34/0x190
[  407.211749]  __do_page_fault+0x5e8/0xe60
[  407.215806]  ? exit_to_usermode_loop+0x1f4/0x380
[  407.220568]  do_page_fault+0xf2/0x7e0
[  407.224365]  ? vmalloc_sync_all+0x30/0x30
[  407.228507]  ? error_entry+0x70/0xd0
[  407.232217]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.237227]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.242154]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.247076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.251925]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.256958]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.262408]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.267418]  ? page_fault+0x8/0x30
[  407.270964]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.275807]  ? page_fault+0x8/0x30
[  407.279344]  page_fault+0x1e/0x30
[  407.282791] RIP: 0033:0x45db60
[  407.285998] Code: Bad RIP value.
[  407.289355] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  407.294712] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  407.301979] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  407.309240] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  407.316502] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  407.323765] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  407.331044] warn_alloc_show_mem: 1 callbacks suppressed
[  407.331054] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  407.331055] Mem-Info:
[  407.331085] active_anon:52805 inactive_anon:249 isolated_anon:0
[  407.331085]  active_file:17 inactive_file:10 isolated_file:0
[  407.331085]  unevictable:0 dirty:0 writeback:0 unstable:0
[  407.331085]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  407.331085]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  407.331085]  free:13758 free_pcp:272 free_cma:0
[  407.336423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.343779] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  407.346170] Call Trace:
[  407.379041] 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
[  407.388380]  <IRQ>
[  407.415937] lowmem_reserve[]: 0 2818 6321 6321
[  407.418524]  dump_stack+0x244/0x39d
[  407.444599] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  407.446747]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.451292] lowmem_reserve[]: 0 0 3503 3503
[  407.454931]  warn_alloc.cold.116+0xb7/0x1bd
[  407.482222] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  407.487405]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.491689] lowmem_reserve[]: 0 0 0 0
[  407.496009]  ? lock_downgrade+0x900/0x900
[  407.525370] 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
[  407.530224]  ? trace_hardirqs_off+0xb8/0x310
[  407.533983] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  407.538123]  ? trace_hardirqs_off+0xb8/0x310
[  407.551613] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  407.556020]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.571164] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  407.575579]  ? warn_alloc+0x120/0x120
[  407.590978] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  407.595804]  ? print_usage_bug+0xc0/0xc0
[  407.604610] 326 total pagecache pages
[  407.608397]  ? warn_alloc+0x120/0x120
[  407.616953] 0 pages in swap cache
[  407.620999]  ? warn_alloc+0x120/0x120
[  407.624771] Swap cache stats: add 0, delete 0, find 0/0
[  407.628567]  ? print_usage_bug+0xc0/0xc0
[  407.631992] Free swap  = 0kB
[  407.635780]  ? kvm_clock_read+0x18/0x30
[  407.641114] Total swap = 0kB
[  407.645160]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  407.648150] 1965979 pages RAM
[  407.652110]  ? print_usage_bug+0xc0/0xc0
[  407.655095] 0 pages HighMem/MovableOnly
[  407.655103] 342854 pages reserved
[  407.660109]  ? __lock_acquire+0x62f/0x4c20
[  407.663187] 0 pages cma reserved
[  407.667243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.671239] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.674629]  ? should_fail+0x22d/0xd01
[  407.679017] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.682191]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.687703] syz-fuzzer cpuset=/ mems_allowed=0
[  407.694191]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.723169]  ? __lock_acquire+0x62f/0x4c20
[  407.727403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.732501]  ? __lock_acquire+0x62f/0x4c20
[  407.736728]  ? should_fail+0x22d/0xd01
[  407.740607]  ? rcu_irq_exit+0x1a2/0x390
[  407.744588]  ? mark_held_locks+0x130/0x130
[  407.748822]  ? mark_held_locks+0x130/0x130
[  407.753060]  ? mark_held_locks+0xc7/0x130
[  407.757206]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  407.762217]  ? zap_class+0x640/0x640
[  407.765929]  ? print_usage_bug+0xc0/0xc0
[  407.769991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.775523]  ? check_preemption_disabled+0x48/0x280
[  407.780547]  ? __lock_is_held+0xb5/0x140
[  407.784609]  __alloc_pages_nodemask+0xa80/0xde0
[  407.789277]  ? zap_class+0x640/0x640
[  407.792992]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.798015]  ? find_held_lock+0x36/0x1c0
[  407.802090]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.806757]  ? lock_downgrade+0x900/0x900
[  407.810912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.816449]  cache_grow_begin+0xa5/0x8c0
[  407.820507]  ? do_raw_spin_unlock+0xa7/0x330
[  407.824922]  fallback_alloc+0x204/0x2e0
[  407.828905]  ____cache_alloc_node+0x1c7/0x1e0
[  407.833402]  kmem_cache_alloc_node+0xe3/0x730
[  407.837902]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.842142]  __alloc_skb+0x119/0x770
[  407.845848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.851131]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.855535]  ? lock_downgrade+0x900/0x900
[  407.859687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.865221]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.870670]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.876121]  ? addrconf_rs_timer+0x690/0x690
[  407.880538]  ndisc_alloc_skb+0x144/0x340
[  407.884621]  ndisc_send_rs+0x331/0x6e0
[  407.888509]  addrconf_rs_timer+0x314/0x690
[  407.892757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.896995]  call_timer_fn+0x272/0x920
[  407.900885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.905115]  ? process_timeout+0x40/0x40
[  407.909177]  ? __run_timers+0x7da/0xc70
[  407.913148]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.917667]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.922171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.926409]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.930990]  ? trace_hardirqs_on+0xbd/0x310
[  407.935304]  ? kasan_check_read+0x11/0x20
[  407.939448]  ? __run_timers+0x7da/0xc70
[  407.943421]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.948525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.952758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.956984]  __run_timers+0x7e5/0xc70
[  407.960792]  ? timer_fixup_init+0x70/0x70
[  407.964938]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.969950]  ? zap_class+0x640/0x640
[  407.973664]  ? enqueue_hrtimer+0x1a5/0x560
[  407.977901]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.983097]  ? find_held_lock+0x36/0x1c0
[  407.987163]  ? zap_class+0x640/0x640
[  407.990885]  ? pvclock_read_flags+0x160/0x160
[  407.995375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.000914]  ? check_preemption_disabled+0x48/0x280
[  408.005935]  ? __lock_is_held+0xb5/0x140
[  408.009992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.015527]  ? check_preemption_disabled+0x48/0x280
[  408.020547]  run_timer_softirq+0x52/0xb0
[  408.024605]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.029618]  __do_softirq+0x308/0xb7e
[  408.033421]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.037915]  ? lock_downgrade+0x900/0x900
[  408.042063]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.047168]  ? pvclock_read_flags+0x160/0x160
[  408.051658]  ? lapic_next_event+0x5a/0x90
[  408.055820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.061356]  ? kvm_clock_read+0x18/0x30
[  408.065330]  ? kvm_sched_clock_read+0x9/0x20
[  408.069736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.075270]  ? check_preemption_disabled+0x48/0x280
[  408.080292]  irq_exit+0x17f/0x1c0
[  408.083742]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.088583]  ? smp_call_function_single_interrupt+0x159/0x650
[  408.094462]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.100341]  ? interrupt_entry+0xb5/0xc0
[  408.104405]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.109416]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.114429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.119269]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.124278]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.129287]  ? task_prio+0x50/0x50
[  408.132821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.138364]  ? check_preemption_disabled+0x48/0x280
[  408.143386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.148230]  apic_timer_interrupt+0xf/0x20
[  408.152453]  </IRQ>
[  408.154688] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  408.160568] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  408.179460] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  408.187162] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  408.194424] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  408.201685] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  408.208948] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  408.216214] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  408.223518]  ? save_stack+0xa9/0xd0
[  408.227151]  __kmalloc_node_track_caller+0x3c/0x70
[  408.232079]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  408.236833]  pskb_expand_head+0x230/0x10f0
[  408.241081]  ? memcpy+0x45/0x50
[  408.244356]  ? __copy_skb_header+0x350/0x6b0
[  408.248765]  ? skb_release_data+0x880/0x880
[  408.253082]  ? __alloc_skb+0x770/0x770
[  408.256973]  ? __lock_is_held+0xb5/0x140
[  408.261036]  ? kasan_check_write+0x14/0x20
[  408.265264]  ? __skb_clone+0x6c7/0xa00
[  408.269147]  ? __copy_skb_header+0x6b0/0x6b0
[  408.273549]  ? kmem_cache_alloc+0x33a/0x730
[  408.277881]  skb_ensure_writable+0x3dd/0x640
[  408.282291]  ? skb_checksum_setup+0xaa0/0xaa0
[  408.286783]  ? check_preemption_disabled+0x48/0x280
[  408.291803]  ? __this_cpu_preempt_check+0x1c/0x20
[  408.296642]  ? __bpf_redirect+0x54b/0xb20
[  408.300794]  bpf_clone_redirect+0x14a/0x490
[  408.305123]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  408.310142]  ? __sched_text_start+0x8/0x8
[  408.314286]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.318868]  ? retint_kernel+0x2d/0x2d
[  408.322753]  ? trace_hardirqs_on_caller+0xc0/0x310
[  408.327686]  ? find_held_lock+0x36/0x1c0
[  408.331749]  ? lock_acquire+0x1ed/0x520
[  408.335718]  ? bpf_test_run+0x3cb/0x780
[  408.339689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.345222]  ? check_preemption_disabled+0x48/0x280
[  408.350242]  ? kasan_check_read+0x11/0x20
[  408.354387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.359661]  ? rcu_softirq_qs+0x20/0x20
[  408.363635]  ? preempt_schedule+0x4d/0x60
[  408.367782]  ? ___preempt_schedule+0x16/0x18
[  408.372191]  ? bpf_test_run+0x25d/0x780
[  408.376169]  ? netlink_diag_dump+0x2a0/0x2a0
[  408.380583]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  408.385346]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  408.390193]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  408.395723]  ? fput+0x130/0x1a0
[  408.399000]  ? __bpf_prog_get+0x9b/0x290
[  408.403058]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  408.407898]  ? bpf_prog_test_run+0x130/0x1a0
[  408.412309]  ? __x64_sys_bpf+0x3d8/0x520
[  408.416452]  ? bpf_prog_get+0x20/0x20
[  408.420258]  ? do_syscall_64+0x142/0x820
[  408.424323]  ? do_syscall_64+0x1b9/0x820
[  408.428383]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  408.433744]  ? syscall_return_slowpath+0x5e0/0x5e0
[  408.438667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.443526]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.448543]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  408.453555]  ? prepare_exit_to_usermode+0x291/0x3b0
[  408.458571]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.463414]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  408.468794] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  408.468860] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.475812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.475827] Call Trace:
[  408.482380] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.491638]  <IRQ>
[  408.494202] syz-executor1 cpuset=syz1 mems_allowed=0
[  408.504675]  dump_stack+0x244/0x39d
[  408.515513]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.520712]  warn_alloc.cold.116+0xb7/0x1bd
[  408.525029]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.529874]  ? lock_downgrade+0x900/0x900
[  408.534030]  ? trace_hardirqs_off+0xb8/0x310
[  408.538439]  ? trace_hardirqs_off+0xb8/0x310
[  408.542863]  __alloc_pages_slowpath+0x26e8/0x2e10
[  408.547727]  ? warn_alloc+0x120/0x120
[  408.551529]  ? print_usage_bug+0xc0/0xc0
[  408.555586]  ? warn_alloc+0x120/0x120
[  408.559387]  ? warn_alloc+0x120/0x120
[  408.563188]  ? print_usage_bug+0xc0/0xc0
[  408.567244]  ? kvm_clock_read+0x18/0x30
[  408.571215]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.576231]  ? print_usage_bug+0xc0/0xc0
[  408.580295]  ? __lock_acquire+0x62f/0x4c20
[  408.584533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.590066]  ? should_fail+0x22d/0xd01
[  408.593952]  ? __lock_acquire+0x62f/0x4c20
[  408.598184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.603283]  ? __lock_acquire+0x62f/0x4c20
[  408.607520]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.612619]  ? __lock_acquire+0x62f/0x4c20
[  408.616851]  ? should_fail+0x22d/0xd01
[  408.620742]  ? mark_held_locks+0x130/0x130
[  408.624978]  ? mark_held_locks+0x130/0x130
[  408.629217]  ? zap_class+0x640/0x640
[  408.632929]  ? print_usage_bug+0xc0/0xc0
[  408.636990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.642525]  ? check_preemption_disabled+0x48/0x280
[  408.647543]  ? __lock_is_held+0xb5/0x140
[  408.651608]  __alloc_pages_nodemask+0xa80/0xde0
[  408.656273]  ? zap_class+0x640/0x640
[  408.659986]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.665010]  ? find_held_lock+0x36/0x1c0
[  408.669075]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.674266]  ? lock_downgrade+0x900/0x900
[  408.678426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.683963]  cache_grow_begin+0xa5/0x8c0
[  408.688029]  ? do_raw_spin_unlock+0xa7/0x330
[  408.692440]  fallback_alloc+0x204/0x2e0
[  408.696418]  ____cache_alloc_node+0x1c7/0x1e0
[  408.700914]  kmem_cache_alloc_node+0xe3/0x730
[  408.705409]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.709649]  __alloc_skb+0x119/0x770
[  408.713356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.718632]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.723035]  ? lock_downgrade+0x900/0x900
[  408.727188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.732813]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.738268]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.743717]  ? addrconf_rs_timer+0x690/0x690
[  408.748132]  ndisc_alloc_skb+0x144/0x340
[  408.752193]  ndisc_send_rs+0x331/0x6e0
[  408.756078]  addrconf_rs_timer+0x314/0x690
[  408.760316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.764553]  call_timer_fn+0x272/0x920
[  408.768434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.772666]  ? process_timeout+0x40/0x40
[  408.776729]  ? mark_held_locks+0xc7/0x130
[  408.780876]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.785364]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.789855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.794088]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.798679]  ? trace_hardirqs_on+0xbd/0x310
[  408.803004]  ? kasan_check_read+0x11/0x20
[  408.807147]  ? __run_timers+0x7da/0xc70
[  408.811120]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.816230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.820460]  __run_timers+0x7e5/0xc70
[  408.824264]  ? timer_fixup_init+0x70/0x70
[  408.828408]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.833423]  ? zap_class+0x640/0x640
[  408.837137]  ? print_usage_bug+0xc0/0xc0
[  408.841192]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.846384]  ? find_held_lock+0x36/0x1c0
[  408.850449]  ? zap_class+0x640/0x640
[  408.854162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.859696]  ? check_preemption_disabled+0x48/0x280
[  408.864716]  ? __lock_is_held+0xb5/0x140
[  408.868772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.874314]  ? check_preemption_disabled+0x48/0x280
[  408.879328]  run_timer_softirq+0x52/0xb0
[  408.883386]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.888397]  __do_softirq+0x308/0xb7e
[  408.892201]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.896690]  ? lock_downgrade+0x900/0x900
[  408.900844]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.905950]  ? pvclock_read_flags+0x160/0x160
[  408.910440]  ? lapic_next_event+0x5a/0x90
[  408.914586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.920123]  ? kvm_clock_read+0x18/0x30
[  408.924091]  ? kvm_sched_clock_read+0x9/0x20
[  408.928501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.934035]  ? check_preemption_disabled+0x48/0x280
[  408.939060]  irq_exit+0x17f/0x1c0
[  408.942512]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.947355]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.953235]  ? interrupt_entry+0xb5/0xc0
[  408.957293]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.962305]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.967321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.972158]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.977167]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.982178]  ? task_prio+0x50/0x50
[  408.985713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.991246]  ? check_preemption_disabled+0x48/0x280
[  408.996264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.001108]  apic_timer_interrupt+0xf/0x20
[  409.005332]  </IRQ>
[  409.007566] RIP: 0010:dump_stack+0x358/0x39d
[  409.011970] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  409.030864] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  409.038565] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  409.045832] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  409.053095] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  409.060355] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  409.067616] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  409.074896]  ? dump_stack+0x34f/0x39d
[  409.078708]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.083895]  ? mark_held_locks+0x130/0x130
[  409.088125]  ? mark_held_locks+0x130/0x130
[  409.092359]  dump_header+0x27b/0xf72
[  409.096081]  ? pagefault_out_of_memory+0x197/0x197
[  409.101017]  ? __lock_acquire+0x62f/0x4c20
[  409.105247]  ? percpu_ref_get_many+0x240/0x240
[  409.109867]  ? print_usage_bug+0xc0/0xc0
[  409.113930]  ? zap_class+0x640/0x640
[  409.117644]  ? print_usage_bug+0xc0/0xc0
[  409.121700]  ? print_usage_bug+0xc0/0xc0
[  409.125758]  ? zap_class+0x640/0x640
[  409.129478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.135015]  ? find_held_lock+0x36/0x1c0
[  409.139078]  ? mark_held_locks+0xc7/0x130
[  409.143239]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  409.148337]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  409.153435]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.158014]  ? trace_hardirqs_on+0xbd/0x310
[  409.162334]  ? kasan_check_read+0x11/0x20
[  409.166475]  ? ___ratelimit+0x3b4/0x672
[  409.170447]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.175550]  ? trace_hardirqs_on+0x310/0x310
[  409.179959]  ? lock_downgrade+0x900/0x900
[  409.184106]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  409.189204]  ? ___ratelimit+0x3b9/0x672
[  409.193173]  ? idr_get_free+0xf70/0xf70
[  409.197142]  ? find_held_lock+0x36/0x1c0
[  409.201208]  oom_kill_process.cold.27+0x10/0x903
[  409.205961]  ? zap_class+0x640/0x640
[  409.209674]  ? check_preemption_disabled+0x48/0x280
[  409.214692]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.219613]  ? kasan_check_read+0x11/0x20
[  409.223754]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.229040]  ? oom_evaluate_task+0x540/0x540
[  409.233449]  ? find_held_lock+0x36/0x1c0
[  409.237512]  ? out_of_memory+0x974/0x1430
[  409.241660]  ? lock_downgrade+0x900/0x900
[  409.245808]  ? check_preemption_disabled+0x48/0x280
[  409.250827]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.255750]  ? kasan_check_read+0x11/0x20
[  409.259904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.265176]  ? rcu_softirq_qs+0x20/0x20
[  409.269152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.274682]  ? oom_evaluate_task+0x302/0x540
[  409.279090]  out_of_memory+0xa84/0x1430
[  409.283080]  ? oom_killer_disable+0x3a0/0x3a0
[  409.287569]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  409.292495]  ? __ww_mutex_check_waiters+0x160/0x160
[  409.297516]  __alloc_pages_slowpath+0x2354/0x2e10
[  409.302378]  ? warn_alloc+0x120/0x120
[  409.306171]  ? mark_held_locks+0x130/0x130
[  409.310407]  ? find_get_entry+0xaae/0x1120
[  409.314649]  ? filemap_map_pages+0x1a20/0x1a20
[  409.319232]  ? zap_class+0x640/0x640
[  409.322949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.328482]  ? check_preemption_disabled+0x48/0x280
[  409.333493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.339025]  ? should_fail+0x22d/0xd01
[  409.342914]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.348012]  ? zap_class+0x640/0x640
[  409.351744]  ? __lock_is_held+0xb5/0x140
[  409.355822]  ? mark_held_locks+0x130/0x130
[  409.360056]  ? lock_release+0xa00/0xa00
[  409.364024]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.369469]  ? xa_load+0x2ba/0x460
[  409.373007]  ? lock_downgrade+0x900/0x900
[  409.377153]  ? __might_sleep+0x95/0x190
[  409.381128]  __alloc_pages_nodemask+0xa80/0xde0
[  409.385811]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.390824]  ? __page_cache_alloc+0x191/0x5c0
[  409.395312]  ? xa_load+0x2e1/0x460
[  409.398849]  ? xa_clear_mark+0x40/0x40
[  409.402732]  ? zap_class+0x640/0x640
[  409.406455]  ? zap_class+0x640/0x640
[  409.410166]  ? zap_class+0x640/0x640
[  409.413876]  ? __do_page_cache_readahead+0x663/0x810
[  409.418978]  ? find_held_lock+0x36/0x1c0
[  409.423039]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  409.428577]  alloc_pages_current+0x173/0x350
[  409.432994]  __page_cache_alloc+0x38c/0x5c0
[  409.437310]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.442237]  ? kasan_check_read+0x11/0x20
[  409.446380]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.451653]  ? generic_perform_write+0x6a0/0x6a0
[  409.456404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.461937]  ? check_preemption_disabled+0x48/0x280
[  409.466958]  filemap_fault+0x1595/0x25f0
[  409.471029]  ? __lock_page_or_retry+0xa00/0xa00
[  409.475696]  ? mark_held_locks+0x130/0x130
[  409.479935]  ? filemap_map_pages+0xd6b/0x1a20
[  409.484425]  ? lock_downgrade+0x900/0x900
[  409.488568]  ? check_preemption_disabled+0x48/0x280
[  409.493580]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.498502]  ? kasan_check_read+0x11/0x20
[  409.502643]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.508432]  ? rcu_softirq_qs+0x20/0x20
[  409.512416]  ? filemap_map_pages+0xd92/0x1a20
[  409.516911]  ? print_usage_bug+0xc0/0xc0
[  409.520978]  ? find_get_entries_tag+0x1400/0x1400
[  409.525815]  ? __kasan_slab_free+0x102/0x150
[  409.530220]  ? kasan_slab_free+0xe/0x10
[  409.534189]  ? kmem_cache_free+0x83/0x290
[  409.538331]  ? __sigqueue_free.part.29+0x74/0x90
[  409.543098]  ? lock_acquire+0x1ed/0x520
[  409.547066]  ? ext4_filemap_fault+0x7a/0xad
[  409.551392]  ? lock_release+0xa00/0xa00
[  409.555360]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.560807]  ? print_usage_bug+0xc0/0xc0
[  409.564865]  ? print_usage_bug+0xc0/0xc0
[  409.568935]  ? down_read+0x8d/0x120
[  409.572552]  ? ext4_filemap_fault+0x7a/0xad
[  409.576870]  ? __down_interruptible+0x700/0x700
[  409.581544]  ext4_filemap_fault+0x82/0xad
[  409.585689]  __do_fault+0x100/0x6b0
[  409.589315]  ? pmd_devmap_trans_unstable+0x220/0x220
[  409.594419]  ? mark_held_locks+0x130/0x130
[  409.598649]  ? mark_held_locks+0x130/0x130
[  409.602880]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  409.608416]  ? rcu_pm_notify+0xc0/0xc0
[  409.612306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.617847]  __handle_mm_fault+0x3ea0/0x5be0
[  409.622259]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  409.627093]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.631585]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.636165]  ? trace_hardirqs_on+0xbd/0x310
[  409.640479]  ? kasan_check_read+0x11/0x20
[  409.644621]  ? __set_current_blocked+0xdf/0x120
[  409.649287]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.654870]  ? zap_class+0x640/0x640
[  409.658579]  ? zap_class+0x640/0x640
[  409.662295]  ? find_held_lock+0x36/0x1c0
[  409.666365]  ? handle_mm_fault+0x42a/0xc70
[  409.670599]  ? lock_downgrade+0x900/0x900
[  409.674750]  ? check_preemption_disabled+0x48/0x280
[  409.679777]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.684878]  ? kasan_check_read+0x11/0x20
[  409.689026]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.694312]  ? rcu_softirq_qs+0x20/0x20
[  409.698283]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.703387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.708924]  ? check_preemption_disabled+0x48/0x280
[  409.713943]  handle_mm_fault+0x54f/0xc70
[  409.718002]  ? __handle_mm_fault+0x5be0/0x5be0
[  409.722588]  ? find_vma+0x34/0x190
[  409.726128]  __do_page_fault+0x5e8/0xe60
[  409.730195]  ? exit_to_usermode_loop+0x1f4/0x380
[  409.734956]  do_page_fault+0xf2/0x7e0
[  409.738761]  ? vmalloc_sync_all+0x30/0x30
[  409.742907]  ? error_entry+0x70/0xd0
[  409.746618]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.751632]  ? trace_hardirqs_on_caller+0xc0/0x310
[  409.756557]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.761479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.766321]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.771336]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.776788]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.781803]  ? page_fault+0x8/0x30
[  409.785346]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.790185]  ? page_fault+0x8/0x30
[  409.793737]  page_fault+0x1e/0x30
[  409.797190] RIP: 0033:0x45db60
[  409.800392] Code: Bad RIP value.
[  409.803770] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  409.809124] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  409.816387] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  409.823648] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  409.830914] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  409.838175] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  409.845462] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  409.845466] warn_alloc_show_mem: 1 callbacks suppressed
[  409.845473] Mem-Info:
[  409.852826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.852833] Call Trace:
[  409.858197] active_anon:52805 inactive_anon:249 isolated_anon:0
[  409.858197]  active_file:17 inactive_file:10 isolated_file:0
[  409.858197]  unevictable:0 dirty:0 writeback:0 unstable:0
[  409.858197]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  409.858197]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  409.858197]  free:13758 free_pcp:272 free_cma:0
[  409.860571]  <IRQ>
[  409.869927] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  409.872515]  dump_stack+0x244/0x39d
[  409.905361] 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
[  409.907509]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.935067] lowmem_reserve[]: 0 2818 6321 6321
[  409.938722]  warn_alloc.cold.116+0xb7/0x1bd
[  409.964795] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  409.969987]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.974537] lowmem_reserve[]: 0 0 3503 3503
[  409.978852]  ? lock_downgrade+0x900/0x900
[  410.006159] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  410.011003]  ? trace_hardirqs_off+0xb8/0x310
[  410.015291] lowmem_reserve[]: 0 0 0 0
[  410.019447]  ? trace_hardirqs_off+0xb8/0x310
[  410.048303] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  410.052720]  __alloc_pages_slowpath+0x26e8/0x2e10
[  410.056489] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  410.060913]  ? warn_alloc+0x120/0x120
[  410.074384] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  410.079219]  ? print_usage_bug+0xc0/0xc0
[  410.094368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  410.098152]  ? warn_alloc+0x120/0x120
[  410.113559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  410.117606]  ? warn_alloc+0x120/0x120
[  410.126427] 326 total pagecache pages
[  410.130562]  ? print_usage_bug+0xc0/0xc0
[  410.139114] 0 pages in swap cache
[  410.142899]  ? kvm_clock_read+0x18/0x30
[  410.146674] Swap cache stats: add 0, delete 0, find 0/0
[  410.150725]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  410.154151] Free swap  = 0kB
[  410.158114]  ? print_usage_bug+0xc0/0xc0
[  410.163445] Total swap = 0kB
[  410.163452] 1965979 pages RAM
[  410.168456]  ? __lock_acquire+0x62f/0x4c20
[  410.171444] 0 pages HighMem/MovableOnly
[  410.171451] 342854 pages reserved
[  410.175503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.178491] 0 pages cma reserved
[  410.181585]  ? should_fail+0x22d/0xd01
[  410.185840] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.189747]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.189764]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.189779]  ? __lock_acquire+0x62f/0x4c20
[  410.193250] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.198733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.202071] syz-fuzzer cpuset=/ mems_allowed=0
[  410.205946]  ? __lock_acquire+0x62f/0x4c20
[  410.251042]  ? should_fail+0x22d/0xd01
[  410.254923]  ? rcu_irq_exit+0x1a2/0x390
[  410.258903]  ? mark_held_locks+0x130/0x130
[  410.263137]  ? mark_held_locks+0x130/0x130
[  410.267370]  ? mark_held_locks+0xc7/0x130
[  410.271513]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  410.276523]  ? zap_class+0x640/0x640
[  410.280238]  ? print_usage_bug+0xc0/0xc0
[  410.284302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.289833]  ? check_preemption_disabled+0x48/0x280
[  410.294854]  ? __lock_is_held+0xb5/0x140
[  410.298920]  __alloc_pages_nodemask+0xa80/0xde0
[  410.303582]  ? zap_class+0x640/0x640
[  410.307295]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  410.312317]  ? find_held_lock+0x36/0x1c0
[  410.316381]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.321045]  ? lock_downgrade+0x900/0x900
[  410.325195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.330746]  cache_grow_begin+0xa5/0x8c0
[  410.334800]  ? do_raw_spin_unlock+0xa7/0x330
[  410.339219]  fallback_alloc+0x204/0x2e0
[  410.343199]  ____cache_alloc_node+0x1c7/0x1e0
[  410.347707]  kmem_cache_alloc_node+0xe3/0x730
[  410.352199]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.356441]  __alloc_skb+0x119/0x770
[  410.360151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.365425]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.369829]  ? lock_downgrade+0x900/0x900
[  410.373980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.379514]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.384962]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.390408]  ? addrconf_rs_timer+0x690/0x690
[  410.394824]  ndisc_alloc_skb+0x144/0x340
[  410.398886]  ndisc_send_rs+0x331/0x6e0
[  410.402774]  addrconf_rs_timer+0x314/0x690
[  410.407008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.411346]  call_timer_fn+0x272/0x920
[  410.415232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.419462]  ? process_timeout+0x40/0x40
[  410.423526]  ? __run_timers+0x7da/0xc70
[  410.427495]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.431982]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.436470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.440703]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.445280]  ? trace_hardirqs_on+0xbd/0x310
[  410.449600]  ? kasan_check_read+0x11/0x20
[  410.453739]  ? __run_timers+0x7da/0xc70
[  410.457714]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.462818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.467051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.471277]  __run_timers+0x7e5/0xc70
[  410.475084]  ? timer_fixup_init+0x70/0x70
[  410.479230]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.484245]  ? zap_class+0x640/0x640
[  410.487957]  ? enqueue_hrtimer+0x1a5/0x560
[  410.492188]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.497386]  ? find_held_lock+0x36/0x1c0
[  410.501462]  ? zap_class+0x640/0x640
[  410.505174]  ? pvclock_read_flags+0x160/0x160
[  410.509679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.515218]  ? check_preemption_disabled+0x48/0x280
[  410.520241]  ? __lock_is_held+0xb5/0x140
[  410.524302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.529838]  ? check_preemption_disabled+0x48/0x280
[  410.534855]  run_timer_softirq+0x52/0xb0
[  410.538913]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.543926]  __do_softirq+0x308/0xb7e
[  410.547726]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.552216]  ? lock_downgrade+0x900/0x900
[  410.556362]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.561466]  ? pvclock_read_flags+0x160/0x160
[  410.565963]  ? lapic_next_event+0x5a/0x90
[  410.570112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.575657]  ? kvm_clock_read+0x18/0x30
[  410.579624]  ? kvm_sched_clock_read+0x9/0x20
[  410.584035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.589571]  ? check_preemption_disabled+0x48/0x280
[  410.594591]  irq_exit+0x17f/0x1c0
[  410.598045]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.602886]  ? smp_call_function_single_interrupt+0x159/0x650
[  410.608783]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.614670]  ? interrupt_entry+0xb5/0xc0
[  410.618729]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.623742]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.628757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.633595]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.638620]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.643635]  ? task_prio+0x50/0x50
[  410.647185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.652716]  ? check_preemption_disabled+0x48/0x280
[  410.657732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.662575]  apic_timer_interrupt+0xf/0x20
[  410.666800]  </IRQ>
[  410.669035] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  410.675433] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  410.694443] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  410.702149] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  410.709415] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  410.716689] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  410.723953] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  410.731217] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  410.738515]  ? save_stack+0xa9/0xd0
[  410.742152]  __kmalloc_node_track_caller+0x3c/0x70
[  410.747084]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  410.751844]  pskb_expand_head+0x230/0x10f0
[  410.756078]  ? memcpy+0x45/0x50
[  410.759356]  ? __copy_skb_header+0x350/0x6b0
[  410.763762]  ? skb_release_data+0x880/0x880
[  410.768083]  ? __alloc_skb+0x770/0x770
[  410.771974]  ? __lock_is_held+0xb5/0x140
[  410.776039]  ? kasan_check_write+0x14/0x20
[  410.780268]  ? __skb_clone+0x6c7/0xa00
[  410.784159]  ? __copy_skb_header+0x6b0/0x6b0
[  410.788563]  ? kmem_cache_alloc+0x33a/0x730
[  410.792889]  skb_ensure_writable+0x3dd/0x640
[  410.797421]  ? skb_checksum_setup+0xaa0/0xaa0
[  410.801913]  ? check_preemption_disabled+0x48/0x280
[  410.806929]  ? __this_cpu_preempt_check+0x1c/0x20
[  410.811769]  ? __bpf_redirect+0x54b/0xb20
[  410.815918]  bpf_clone_redirect+0x14a/0x490
[  410.820242]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  410.825259]  ? __sched_text_start+0x8/0x8
[  410.829406]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.833986]  ? retint_kernel+0x2d/0x2d
[  410.837870]  ? trace_hardirqs_on_caller+0xc0/0x310
[  410.842803]  ? find_held_lock+0x36/0x1c0
[  410.846868]  ? lock_acquire+0x1ed/0x520
[  410.850839]  ? bpf_test_run+0x3cb/0x780
[  410.854812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.860362]  ? check_preemption_disabled+0x48/0x280
[  410.865382]  ? kasan_check_read+0x11/0x20
[  410.869526]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.874797]  ? rcu_softirq_qs+0x20/0x20
[  410.878768]  ? preempt_schedule+0x4d/0x60
[  410.882920]  ? ___preempt_schedule+0x16/0x18
[  410.887330]  ? bpf_test_run+0x25d/0x780
[  410.891310]  ? netlink_diag_dump+0x2a0/0x2a0
[  410.895731]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  410.900495]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.905333]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  410.910867]  ? fput+0x130/0x1a0
[  410.914143]  ? __bpf_prog_get+0x9b/0x290
[  410.918208]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.923043]  ? bpf_prog_test_run+0x130/0x1a0
[  410.927450]  ? __x64_sys_bpf+0x3d8/0x520
[  410.931504]  ? bpf_prog_get+0x20/0x20
[  410.935312]  ? do_syscall_64+0x142/0x820
[  410.939375]  ? do_syscall_64+0x1b9/0x820
[  410.943430]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  410.948790]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.953717]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.958560]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.963574]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  410.968589]  ? prepare_exit_to_usermode+0x291/0x3b0
[  410.973613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.978465]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  410.983843] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  410.983906] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.990854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.990859] Call Trace:
[  410.990864]  <IRQ>
[  410.990879]  dump_stack+0x244/0x39d
[  410.990898]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.997438] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.006723]  warn_alloc.cold.116+0xb7/0x1bd
[  411.009274] syz-executor1 cpuset=syz1 mems_allowed=0
[  411.011420]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.044881]  ? lock_downgrade+0x900/0x900
[  411.049051]  ? trace_hardirqs_off+0xb8/0x310
[  411.053466]  ? trace_hardirqs_off+0xb8/0x310
[  411.058145]  __alloc_pages_slowpath+0x26e8/0x2e10
[  411.063009]  ? warn_alloc+0x120/0x120
[  411.066809]  ? print_usage_bug+0xc0/0xc0
[  411.070866]  ? warn_alloc+0x120/0x120
[  411.074672]  ? warn_alloc+0x120/0x120
[  411.078470]  ? print_usage_bug+0xc0/0xc0
[  411.082530]  ? print_usage_bug+0xc0/0xc0
[  411.086585]  ? __lock_acquire+0x62f/0x4c20
[  411.090828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.096360]  ? should_fail+0x22d/0xd01
[  411.100249]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.105350]  ? __lock_acquire+0x62f/0x4c20
[  411.109583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.114744]  ? __lock_acquire+0x62f/0x4c20
[  411.118974]  ? should_fail+0x22d/0xd01
[  411.122854]  ? find_held_lock+0x36/0x1c0
[  411.126922]  ? mark_held_locks+0x130/0x130
[  411.131157]  ? mark_held_locks+0x130/0x130
[  411.135384]  ? zap_class+0x640/0x640
[  411.139094]  ? zap_class+0x640/0x640
[  411.142810]  ? print_usage_bug+0xc0/0xc0
[  411.146869]  ? do_raw_spin_unlock+0xa7/0x330
[  411.151273]  ? zap_class+0x640/0x640
[  411.154985]  ? print_usage_bug+0xc0/0xc0
[  411.159039]  ? wq_watchdog_touch+0x9c/0xfe
[  411.163278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.168816]  ? check_preemption_disabled+0x48/0x280
[  411.173839]  ? __lock_is_held+0xb5/0x140
[  411.177901]  __alloc_pages_nodemask+0xa80/0xde0
[  411.182566]  ? zap_class+0x640/0x640
[  411.186279]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.191299]  ? find_held_lock+0x36/0x1c0
[  411.195365]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.200029]  ? lock_downgrade+0x900/0x900
[  411.204178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.209715]  cache_grow_begin+0xa5/0x8c0
[  411.213770]  ? do_raw_spin_unlock+0xa7/0x330
[  411.218183]  fallback_alloc+0x204/0x2e0
[  411.222162]  ____cache_alloc_node+0x1c7/0x1e0
[  411.226659]  kmem_cache_alloc_node+0xe3/0x730
[  411.231154]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.235392]  __alloc_skb+0x119/0x770
[  411.239098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.244372]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.248775]  ? lock_downgrade+0x900/0x900
[  411.252929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.258475]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.263924]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.269369]  ? addrconf_rs_timer+0x690/0x690
[  411.273785]  ndisc_alloc_skb+0x144/0x340
[  411.277849]  ndisc_send_rs+0x331/0x6e0
[  411.281738]  addrconf_rs_timer+0x314/0x690
[  411.285973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.290213]  call_timer_fn+0x272/0x920
[  411.294098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.298327]  ? process_timeout+0x40/0x40
[  411.302392]  ? mark_held_locks+0xc7/0x130
[  411.306535]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.311022]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.315512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.319745]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.324324]  ? trace_hardirqs_on+0xbd/0x310
[  411.328647]  ? kasan_check_read+0x11/0x20
[  411.332790]  ? __run_timers+0x7da/0xc70
[  411.336761]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.341862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.346094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.350324]  __run_timers+0x7e5/0xc70
[  411.354129]  ? timer_fixup_init+0x70/0x70
[  411.358274]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.363284]  ? zap_class+0x640/0x640
[  411.366998]  ? print_usage_bug+0xc0/0xc0
[  411.371056]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.376249]  ? find_held_lock+0x36/0x1c0
[  411.380309]  ? zap_class+0x640/0x640
[  411.384022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.389559]  ? check_preemption_disabled+0x48/0x280
[  411.394591]  ? __lock_is_held+0xb5/0x140
[  411.398655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.404188]  ? check_preemption_disabled+0x48/0x280
[  411.409202]  run_timer_softirq+0x52/0xb0
[  411.413259]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.418271]  __do_softirq+0x308/0xb7e
[  411.422071]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  411.426559]  ? lock_downgrade+0x900/0x900
[  411.430719]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.435825]  ? pvclock_read_flags+0x160/0x160
[  411.440317]  ? lapic_next_event+0x5a/0x90
[  411.444463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.449999]  ? kvm_clock_read+0x18/0x30
[  411.453975]  ? kvm_sched_clock_read+0x9/0x20
[  411.458380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.463917]  ? check_preemption_disabled+0x48/0x280
[  411.468936]  irq_exit+0x17f/0x1c0
[  411.472384]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.477226]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.483104]  ? interrupt_entry+0xb5/0xc0
[  411.487163]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.492177]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.497205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.502044]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.507459]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.512473]  ? task_prio+0x50/0x50
[  411.516014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.521549]  ? check_preemption_disabled+0x48/0x280
[  411.526584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.531434]  apic_timer_interrupt+0xf/0x20
[  411.535658]  </IRQ>
[  411.537892] RIP: 0010:dump_stack+0x358/0x39d
[  411.542295] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  411.561186] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  411.568892] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  411.576154] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  411.583419] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  411.590682] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  411.597944] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  411.605220]  ? dump_stack+0x34f/0x39d
[  411.609029]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.614220]  ? mark_held_locks+0x130/0x130
[  411.618453]  ? mark_held_locks+0x130/0x130
[  411.622685]  dump_header+0x27b/0xf72
[  411.626405]  ? pagefault_out_of_memory+0x197/0x197
[  411.631339]  ? __lock_acquire+0x62f/0x4c20
[  411.635577]  ? percpu_ref_get_many+0x240/0x240
[  411.640164]  ? print_usage_bug+0xc0/0xc0
[  411.644315]  ? zap_class+0x640/0x640
[  411.648025]  ? print_usage_bug+0xc0/0xc0
[  411.652079]  ? print_usage_bug+0xc0/0xc0
[  411.656141]  ? zap_class+0x640/0x640
[  411.659854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.665520]  ? find_held_lock+0x36/0x1c0
[  411.669593]  ? mark_held_locks+0xc7/0x130
[  411.673742]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.678840]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.683940]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.688518]  ? trace_hardirqs_on+0xbd/0x310
[  411.692834]  ? kasan_check_read+0x11/0x20
[  411.696975]  ? ___ratelimit+0x3b4/0x672
[  411.700944]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.706063]  ? trace_hardirqs_on+0x310/0x310
[  411.710466]  ? lock_downgrade+0x900/0x900
[  411.714616]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.719715]  ? ___ratelimit+0x3b9/0x672
[  411.723690]  ? idr_get_free+0xf70/0xf70
[  411.727662]  ? find_held_lock+0x36/0x1c0
[  411.731726]  oom_kill_process.cold.27+0x10/0x903
[  411.736476]  ? zap_class+0x640/0x640
[  411.740183]  ? check_preemption_disabled+0x48/0x280
[  411.745201]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.750124]  ? kasan_check_read+0x11/0x20
[  411.754266]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.759537]  ? oom_evaluate_task+0x540/0x540
[  411.763947]  ? find_held_lock+0x36/0x1c0
[  411.768013]  ? out_of_memory+0x974/0x1430
[  411.772157]  ? lock_downgrade+0x900/0x900
[  411.776298]  ? check_preemption_disabled+0x48/0x280
[  411.781313]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.786236]  ? kasan_check_read+0x11/0x20
[  411.790376]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.795656]  ? rcu_softirq_qs+0x20/0x20
[  411.799630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.805160]  ? oom_evaluate_task+0x302/0x540
[  411.809573]  out_of_memory+0xa84/0x1430
[  411.813560]  ? oom_killer_disable+0x3a0/0x3a0
[  411.818054]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  411.822981]  ? __ww_mutex_check_waiters+0x160/0x160
[  411.828006]  __alloc_pages_slowpath+0x2354/0x2e10
[  411.832870]  ? warn_alloc+0x120/0x120
[  411.836667]  ? mark_held_locks+0x130/0x130
[  411.840900]  ? find_get_entry+0xaae/0x1120
[  411.845137]  ? filemap_map_pages+0x1a20/0x1a20
[  411.849722]  ? zap_class+0x640/0x640
[  411.853437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.858968]  ? check_preemption_disabled+0x48/0x280
[  411.863979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.869514]  ? should_fail+0x22d/0xd01
[  411.873409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.878509]  ? zap_class+0x640/0x640
[  411.882240]  ? __lock_is_held+0xb5/0x140
[  411.886304]  ? mark_held_locks+0x130/0x130
[  411.890535]  ? lock_release+0xa00/0xa00
[  411.894512]  ? perf_trace_sched_process_exec+0x860/0x860
[  411.899958]  ? xa_load+0x2ba/0x460
[  411.903492]  ? lock_downgrade+0x900/0x900
[  411.907640]  ? __might_sleep+0x95/0x190
[  411.911619]  __alloc_pages_nodemask+0xa80/0xde0
[  411.916289]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.921303]  ? __page_cache_alloc+0x191/0x5c0
[  411.925791]  ? xa_load+0x2e1/0x460
[  411.929328]  ? xa_clear_mark+0x40/0x40
[  411.933211]  ? zap_class+0x640/0x640
[  411.936926]  ? zap_class+0x640/0x640
[  411.940637]  ? zap_class+0x640/0x640
[  411.944345]  ? __do_page_cache_readahead+0x663/0x810
[  411.949446]  ? find_held_lock+0x36/0x1c0
[  411.953510]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  411.959052]  alloc_pages_current+0x173/0x350
[  411.963459]  __page_cache_alloc+0x38c/0x5c0
[  411.967773]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.972701]  ? kasan_check_read+0x11/0x20
[  411.976843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.982117]  ? generic_perform_write+0x6a0/0x6a0
[  411.986871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.992407]  ? check_preemption_disabled+0x48/0x280
[  411.997426]  filemap_fault+0x1595/0x25f0
[  412.001494]  ? __lock_page_or_retry+0xa00/0xa00
[  412.006158]  ? mark_held_locks+0x130/0x130
[  412.010396]  ? filemap_map_pages+0xd6b/0x1a20
[  412.014889]  ? lock_downgrade+0x900/0x900
[  412.019031]  ? check_preemption_disabled+0x48/0x280
[  412.024043]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.028969]  ? kasan_check_read+0x11/0x20
[  412.033109]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.038379]  ? rcu_softirq_qs+0x20/0x20
[  412.042361]  ? filemap_map_pages+0xd92/0x1a20
[  412.046858]  ? print_usage_bug+0xc0/0xc0
[  412.050922]  ? find_get_entries_tag+0x1400/0x1400
[  412.055758]  ? __kasan_slab_free+0x102/0x150
[  412.060165]  ? kasan_slab_free+0xe/0x10
[  412.064136]  ? kmem_cache_free+0x83/0x290
[  412.068279]  ? __sigqueue_free.part.29+0x74/0x90
[  412.073050]  ? lock_acquire+0x1ed/0x520
[  412.077020]  ? ext4_filemap_fault+0x7a/0xad
[  412.081343]  ? lock_release+0xa00/0xa00
[  412.085309]  ? perf_trace_sched_process_exec+0x860/0x860
[  412.090766]  ? print_usage_bug+0xc0/0xc0
[  412.094824]  ? print_usage_bug+0xc0/0xc0
[  412.098897]  ? down_read+0x8d/0x120
[  412.102517]  ? ext4_filemap_fault+0x7a/0xad
[  412.106840]  ? __down_interruptible+0x700/0x700
[  412.111516]  ext4_filemap_fault+0x82/0xad
[  412.115667]  __do_fault+0x100/0x6b0
[  412.119293]  ? pmd_devmap_trans_unstable+0x220/0x220
[  412.124392]  ? mark_held_locks+0x130/0x130
[  412.128624]  ? mark_held_locks+0x130/0x130
[  412.132855]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  412.138390]  ? rcu_pm_notify+0xc0/0xc0
[  412.142278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.147815]  __handle_mm_fault+0x3ea0/0x5be0
[  412.152227]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  412.157061]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.161564]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.166146]  ? trace_hardirqs_on+0xbd/0x310
[  412.170476]  ? kasan_check_read+0x11/0x20
[  412.174618]  ? __set_current_blocked+0xdf/0x120
[  412.179281]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.184392]  ? zap_class+0x640/0x640
[  412.188101]  ? zap_class+0x640/0x640
[  412.191815]  ? find_held_lock+0x36/0x1c0
[  412.195879]  ? handle_mm_fault+0x42a/0xc70
[  412.200110]  ? lock_downgrade+0x900/0x900
[  412.204257]  ? check_preemption_disabled+0x48/0x280
[  412.209269]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.214191]  ? kasan_check_read+0x11/0x20
[  412.218334]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.223607]  ? rcu_softirq_qs+0x20/0x20
[  412.227581]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.232681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.238216]  ? check_preemption_disabled+0x48/0x280
[  412.243233]  handle_mm_fault+0x54f/0xc70
[  412.247293]  ? __handle_mm_fault+0x5be0/0x5be0
[  412.251873]  ? find_vma+0x34/0x190
[  412.255418]  __do_page_fault+0x5e8/0xe60
[  412.259478]  ? exit_to_usermode_loop+0x1f4/0x380
[  412.264238]  do_page_fault+0xf2/0x7e0
[  412.268036]  ? vmalloc_sync_all+0x30/0x30
[  412.272183]  ? error_entry+0x70/0xd0
[  412.275892]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.280903]  ? trace_hardirqs_on_caller+0xc0/0x310
[  412.285844]  ? syscall_return_slowpath+0x5e0/0x5e0
[  412.290771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.295614]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.300623]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.306072]  ? prepare_exit_to_usermode+0x291/0x3b0
[  412.311083]  ? page_fault+0x8/0x30
[  412.314621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.319464]  ? page_fault+0x8/0x30
[  412.323002]  page_fault+0x1e/0x30
[  412.326447] RIP: 0033:0x45db60
[  412.329648] Code: Bad RIP value.
[  412.333003] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  412.338362] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  412.345626] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  412.352887] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  412.360408] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  412.367671] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  412.374951] warn_alloc_show_mem: 1 callbacks suppressed
[  412.374961] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  412.374962] Mem-Info:
[  412.374991] active_anon:52805 inactive_anon:249 isolated_anon:0
[  412.374991]  active_file:17 inactive_file:10 isolated_file:0
[  412.374991]  unevictable:0 dirty:0 writeback:0 unstable:0
[  412.374991]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  412.374991]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  412.374991]  free:13758 free_pcp:272 free_cma:0
[  412.380327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.380334] Call Trace:
[  412.387696] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  412.390084]  <IRQ>
[  412.422936] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  412.432284]  dump_stack+0x244/0x39d
[  412.434834] lowmem_reserve[]: 0 2818 6321 6321
[  412.462416]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.464544] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  412.490651]  warn_alloc.cold.116+0xb7/0x1bd
[  412.494244] lowmem_reserve[]: 0 0 3503 3503
[  412.498815]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.504407] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  412.531897]  ? lock_downgrade+0x900/0x900
[  412.536201] lowmem_reserve[]: 0 0 0 0
[  412.540525]  ? trace_hardirqs_off+0xb8/0x310
[  412.545340] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  412.574224]  ? trace_hardirqs_off+0xb8/0x310
[  412.578342] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  412.582137]  __alloc_pages_slowpath+0x26e8/0x2e10
[  412.586515] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  412.600056]  ? warn_alloc+0x120/0x120
[  412.604416] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  412.619678]  ? print_usage_bug+0xc0/0xc0
[  412.624503] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  412.639917]  ? warn_alloc+0x120/0x120
[  412.643690] 326 total pagecache pages
[  412.652518]  ? warn_alloc+0x120/0x120
[  412.656573] 0 pages in swap cache
[  412.665127]  ? print_usage_bug+0xc0/0xc0
[  412.668902] Swap cache stats: add 0, delete 0, find 0/0
[  412.673185]  ? kvm_clock_read+0x18/0x30
[  412.676958] Free swap  = 0kB
[  412.680397]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  412.684426] Total swap = 0kB
[  412.689775]  ? print_usage_bug+0xc0/0xc0
[  412.693720] 1965979 pages RAM
[  412.696726]  ? __lock_acquire+0x62f/0x4c20
[  412.701709] 0 pages HighMem/MovableOnly
[  412.701716] 342854 pages reserved
[  412.704725]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.708755] 0 pages cma reserved
[  412.711848]  ? should_fail+0x22d/0xd01
[  412.716106] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.720011]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.720032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.720048]  ? __lock_acquire+0x62f/0x4c20
[  412.723536] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.729007]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.732347] syz-fuzzer cpuset=/ mems_allowed=0
[  412.736221]  ? __lock_acquire+0x62f/0x4c20
[  412.781340]  ? should_fail+0x22d/0xd01
[  412.785218]  ? rcu_irq_exit+0x1a2/0x390
[  412.789197]  ? mark_held_locks+0x130/0x130
[  412.793430]  ? mark_held_locks+0x130/0x130
[  412.797665]  ? mark_held_locks+0xc7/0x130
[  412.801811]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  412.806820]  ? zap_class+0x640/0x640
[  412.810529]  ? print_usage_bug+0xc0/0xc0
[  412.814587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.820124]  ? check_preemption_disabled+0x48/0x280
[  412.825143]  ? __lock_is_held+0xb5/0x140
[  412.829209]  __alloc_pages_nodemask+0xa80/0xde0
[  412.833872]  ? zap_class+0x640/0x640
[  412.837585]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.842607]  ? find_held_lock+0x36/0x1c0
[  412.846673]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.851344]  ? lock_downgrade+0x900/0x900
[  412.855500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.861040]  cache_grow_begin+0xa5/0x8c0
[  412.865096]  ? do_raw_spin_unlock+0xa7/0x330
[  412.869507]  fallback_alloc+0x204/0x2e0
[  412.873491]  ____cache_alloc_node+0x1c7/0x1e0
[  412.877987]  kmem_cache_alloc_node+0xe3/0x730
[  412.882488]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.886729]  __alloc_skb+0x119/0x770
[  412.890435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.895724]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.900130]  ? lock_downgrade+0x900/0x900
[  412.904280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.909813]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.915271]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.920721]  ? addrconf_rs_timer+0x690/0x690
[  412.925136]  ndisc_alloc_skb+0x144/0x340
[  412.929201]  ndisc_send_rs+0x331/0x6e0
[  412.933091]  addrconf_rs_timer+0x314/0x690
[  412.937328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.941569]  call_timer_fn+0x272/0x920
[  412.945450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.949687]  ? process_timeout+0x40/0x40
[  412.953750]  ? __run_timers+0x7da/0xc70
[  412.957719]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.962208]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.966703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.970932]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.975518]  ? trace_hardirqs_on+0xbd/0x310
[  412.979837]  ? kasan_check_read+0x11/0x20
[  412.983982]  ? __run_timers+0x7da/0xc70
[  412.987956]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.993061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.997294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.001539]  __run_timers+0x7e5/0xc70
[  413.005344]  ? timer_fixup_init+0x70/0x70
[  413.009491]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.014502]  ? zap_class+0x640/0x640
[  413.018216]  ? enqueue_hrtimer+0x1a5/0x560
[  413.022451]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.027649]  ? find_held_lock+0x36/0x1c0
[  413.031709]  ? zap_class+0x640/0x640
[  413.035424]  ? pvclock_read_flags+0x160/0x160
[  413.039924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.045471]  ? check_preemption_disabled+0x48/0x280
[  413.050493]  ? __lock_is_held+0xb5/0x140
[  413.054551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.060087]  ? check_preemption_disabled+0x48/0x280
[  413.065103]  run_timer_softirq+0x52/0xb0
[  413.069159]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.074172]  __do_softirq+0x308/0xb7e
[  413.077976]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.082478]  ? lock_downgrade+0x900/0x900
[  413.086627]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.091732]  ? pvclock_read_flags+0x160/0x160
[  413.096228]  ? lapic_next_event+0x5a/0x90
[  413.100374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.105911]  ? kvm_clock_read+0x18/0x30
[  413.109880]  ? kvm_sched_clock_read+0x9/0x20
[  413.114286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.119835]  ? check_preemption_disabled+0x48/0x280
[  413.124858]  irq_exit+0x17f/0x1c0
[  413.128307]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.133145]  ? smp_call_function_single_interrupt+0x159/0x650
[  413.139028]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.144905]  ? interrupt_entry+0xb5/0xc0
[  413.148965]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.153982]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.158996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.163864]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.168875]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.173883]  ? task_prio+0x50/0x50
[  413.177420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.182958]  ? check_preemption_disabled+0x48/0x280
[  413.187983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.192832]  apic_timer_interrupt+0xf/0x20
[  413.197055]  </IRQ>
[  413.199294] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  413.205177] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  413.224069] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.231770] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  413.239033] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  413.246297] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  413.253557] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  413.260819] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  413.268108]  ? save_stack+0xa9/0xd0
[  413.271743]  __kmalloc_node_track_caller+0x3c/0x70
[  413.276670]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  413.281426]  pskb_expand_head+0x230/0x10f0
[  413.285672]  ? memcpy+0x45/0x50
[  413.288951]  ? __copy_skb_header+0x350/0x6b0
[  413.293367]  ? skb_release_data+0x880/0x880
[  413.297687]  ? __alloc_skb+0x770/0x770
[  413.301577]  ? __lock_is_held+0xb5/0x140
[  413.305640]  ? kasan_check_write+0x14/0x20
[  413.309868]  ? __skb_clone+0x6c7/0xa00
[  413.313753]  ? __copy_skb_header+0x6b0/0x6b0
[  413.318158]  ? kmem_cache_alloc+0x33a/0x730
[  413.322488]  skb_ensure_writable+0x3dd/0x640
[  413.326907]  ? skb_checksum_setup+0xaa0/0xaa0
[  413.331400]  ? check_preemption_disabled+0x48/0x280
[  413.336424]  ? __this_cpu_preempt_check+0x1c/0x20
[  413.341270]  ? __bpf_redirect+0x54b/0xb20
[  413.345419]  bpf_clone_redirect+0x14a/0x490
[  413.349754]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  413.354768]  ? __sched_text_start+0x8/0x8
[  413.358914]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.363489]  ? retint_kernel+0x2d/0x2d
[  413.367375]  ? trace_hardirqs_on_caller+0xc0/0x310
[  413.372305]  ? find_held_lock+0x36/0x1c0
[  413.376368]  ? lock_acquire+0x1ed/0x520
[  413.380341]  ? bpf_test_run+0x3cb/0x780
[  413.384316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.389848]  ? check_preemption_disabled+0x48/0x280
[  413.394869]  ? kasan_check_read+0x11/0x20
[  413.399015]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.404288]  ? rcu_softirq_qs+0x20/0x20
[  413.408258]  ? preempt_schedule+0x4d/0x60
[  413.412400]  ? ___preempt_schedule+0x16/0x18
[  413.416814]  ? bpf_test_run+0x25d/0x780
[  413.420793]  ? netlink_diag_dump+0x2a0/0x2a0
[  413.425208]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  413.429976]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  413.434912]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  413.440450]  ? fput+0x130/0x1a0
[  413.443725]  ? __bpf_prog_get+0x9b/0x290
[  413.447784]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  413.452618]  ? bpf_prog_test_run+0x130/0x1a0
[  413.457024]  ? __x64_sys_bpf+0x3d8/0x520
[  413.461082]  ? bpf_prog_get+0x20/0x20
[  413.464889]  ? do_syscall_64+0x142/0x820
[  413.468949]  ? do_syscall_64+0x1b9/0x820
[  413.473007]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  413.478368]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.483313]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.488153]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.493165]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  413.498177]  ? prepare_exit_to_usermode+0x291/0x3b0
[  413.503479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.508331]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  413.513712] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  413.513773] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.520729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.520734] Call Trace:
[  413.520739]  <IRQ>
[  413.520756]  dump_stack+0x244/0x39d
[  413.520775]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.527358] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.536594]  warn_alloc.cold.116+0xb7/0x1bd
[  413.539144] syz-executor1 cpuset=syz1 mems_allowed=0
[  413.541284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.574744]  ? lock_downgrade+0x900/0x900
[  413.578896]  ? trace_hardirqs_off+0xb8/0x310
[  413.583311]  ? trace_hardirqs_off+0xb8/0x310
[  413.587721]  __alloc_pages_slowpath+0x26e8/0x2e10
[  413.592610]  ? warn_alloc+0x120/0x120
[  413.596414]  ? print_usage_bug+0xc0/0xc0
[  413.600482]  ? warn_alloc+0x120/0x120
[  413.604282]  ? warn_alloc+0x120/0x120
[  413.608077]  ? print_usage_bug+0xc0/0xc0
[  413.612138]  ? print_usage_bug+0xc0/0xc0
[  413.616195]  ? __lock_acquire+0x62f/0x4c20
[  413.620443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.625979]  ? should_fail+0x22d/0xd01
[  413.629866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.634964]  ? __lock_acquire+0x62f/0x4c20
[  413.639196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.644293]  ? __lock_acquire+0x62f/0x4c20
[  413.648524]  ? should_fail+0x22d/0xd01
[  413.652975]  ? find_held_lock+0x36/0x1c0
[  413.657054]  ? mark_held_locks+0x130/0x130
[  413.661292]  ? mark_held_locks+0x130/0x130
[  413.665518]  ? zap_class+0x640/0x640
[  413.669226]  ? zap_class+0x640/0x640
[  413.672942]  ? print_usage_bug+0xc0/0xc0
[  413.676996]  ? do_raw_spin_unlock+0xa7/0x330
[  413.681406]  ? zap_class+0x640/0x640
[  413.685222]  ? print_usage_bug+0xc0/0xc0
[  413.689276]  ? wq_watchdog_touch+0x9c/0xfe
[  413.693510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.699043]  ? check_preemption_disabled+0x48/0x280
[  413.704066]  ? __lock_is_held+0xb5/0x140
[  413.708133]  __alloc_pages_nodemask+0xa80/0xde0
[  413.712800]  ? zap_class+0x640/0x640
[  413.716515]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.721541]  ? find_held_lock+0x36/0x1c0
[  413.725612]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.730278]  ? lock_downgrade+0x900/0x900
[  413.734442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.739982]  cache_grow_begin+0xa5/0x8c0
[  413.744043]  ? do_raw_spin_unlock+0xa7/0x330
[  413.748457]  fallback_alloc+0x204/0x2e0
[  413.752455]  ____cache_alloc_node+0x1c7/0x1e0
[  413.756956]  kmem_cache_alloc_node+0xe3/0x730
[  413.761456]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.765694]  __alloc_skb+0x119/0x770
[  413.769412]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.774691]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.779093]  ? lock_downgrade+0x900/0x900
[  413.783257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.788789]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.794240]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.799692]  ? addrconf_rs_timer+0x690/0x690
[  413.804106]  ndisc_alloc_skb+0x144/0x340
[  413.808170]  ndisc_send_rs+0x331/0x6e0
[  413.812106]  addrconf_rs_timer+0x314/0x690
[  413.816343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.820591]  call_timer_fn+0x272/0x920
[  413.824475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.828705]  ? process_timeout+0x40/0x40
[  413.832771]  ? mark_held_locks+0xc7/0x130
[  413.836915]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.841410]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.845901]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.850133]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.854711]  ? trace_hardirqs_on+0xbd/0x310
[  413.859026]  ? kasan_check_read+0x11/0x20
[  413.863167]  ? __run_timers+0x7da/0xc70
[  413.867137]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.872239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.876475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.880703]  __run_timers+0x7e5/0xc70
[  413.884511]  ? timer_fixup_init+0x70/0x70
[  413.888654]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.893668]  ? zap_class+0x640/0x640
[  413.897379]  ? print_usage_bug+0xc0/0xc0
[  413.901451]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.906640]  ? find_held_lock+0x36/0x1c0
[  413.910702]  ? zap_class+0x640/0x640
[  413.914429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.919962]  ? check_preemption_disabled+0x48/0x280
[  413.924997]  ? __lock_is_held+0xb5/0x140
[  413.929055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.934587]  ? check_preemption_disabled+0x48/0x280
[  413.939604]  run_timer_softirq+0x52/0xb0
[  413.943659]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.948672]  __do_softirq+0x308/0xb7e
[  413.952472]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.956966]  ? lock_downgrade+0x900/0x900
[  413.961112]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.966218]  ? pvclock_read_flags+0x160/0x160
[  413.970710]  ? lapic_next_event+0x5a/0x90
[  413.974856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.980401]  ? kvm_clock_read+0x18/0x30
[  413.984372]  ? kvm_sched_clock_read+0x9/0x20
[  413.988787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.994321]  ? check_preemption_disabled+0x48/0x280
[  413.999345]  irq_exit+0x17f/0x1c0
[  414.002803]  smp_apic_timer_interrupt+0x1cb/0x760
[  414.007641]  ? smp_call_function_single_interrupt+0x650/0x650
[  414.013522]  ? interrupt_entry+0xb5/0xc0
[  414.017580]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.022594]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.027606]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.032444]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.037454]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.042468]  ? task_prio+0x50/0x50
[  414.046003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.051538]  ? check_preemption_disabled+0x48/0x280
[  414.056560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.061412]  apic_timer_interrupt+0xf/0x20
[  414.065637]  </IRQ>
[  414.067875] RIP: 0010:dump_stack+0x358/0x39d
[  414.072280] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  414.091174] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  414.098878] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  414.106141] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  414.113409] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  414.120675] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  414.127959] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  414.135237]  ? dump_stack+0x34f/0x39d
[  414.139048]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.144238]  ? mark_held_locks+0x130/0x130
[  414.148469]  ? mark_held_locks+0x130/0x130
[  414.152704]  dump_header+0x27b/0xf72
[  414.156430]  ? pagefault_out_of_memory+0x197/0x197
[  414.161370]  ? __lock_acquire+0x62f/0x4c20
[  414.165613]  ? percpu_ref_get_many+0x240/0x240
[  414.170192]  ? print_usage_bug+0xc0/0xc0
[  414.174254]  ? zap_class+0x640/0x640
[  414.177967]  ? print_usage_bug+0xc0/0xc0
[  414.182022]  ? print_usage_bug+0xc0/0xc0
[  414.186077]  ? zap_class+0x640/0x640
[  414.189789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.195327]  ? find_held_lock+0x36/0x1c0
[  414.199406]  ? mark_held_locks+0xc7/0x130
[  414.203552]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.208757]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.213857]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.218438]  ? trace_hardirqs_on+0xbd/0x310
[  414.222754]  ? kasan_check_read+0x11/0x20
[  414.226897]  ? ___ratelimit+0x3b4/0x672
[  414.230868]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.235970]  ? trace_hardirqs_on+0x310/0x310
[  414.240385]  ? lock_downgrade+0x900/0x900
[  414.244538]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.249635]  ? ___ratelimit+0x3b9/0x672
[  414.253605]  ? idr_get_free+0xf70/0xf70
[  414.257573]  ? find_held_lock+0x36/0x1c0
[  414.261640]  oom_kill_process.cold.27+0x10/0x903
[  414.266403]  ? zap_class+0x640/0x640
[  414.270113]  ? check_preemption_disabled+0x48/0x280
[  414.275128]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.280051]  ? kasan_check_read+0x11/0x20
[  414.284195]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.289468]  ? oom_evaluate_task+0x540/0x540
[  414.293875]  ? find_held_lock+0x36/0x1c0
[  414.297939]  ? out_of_memory+0x974/0x1430
[  414.302081]  ? lock_downgrade+0x900/0x900
[  414.306223]  ? check_preemption_disabled+0x48/0x280
[  414.311239]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.316161]  ? kasan_check_read+0x11/0x20
[  414.320303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.325575]  ? rcu_softirq_qs+0x20/0x20
[  414.329552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.335081]  ? oom_evaluate_task+0x302/0x540
[  414.339491]  out_of_memory+0xa84/0x1430
[  414.343470]  ? oom_killer_disable+0x3a0/0x3a0
[  414.347965]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  414.352894]  ? __ww_mutex_check_waiters+0x160/0x160
[  414.357917]  __alloc_pages_slowpath+0x2354/0x2e10
[  414.362784]  ? warn_alloc+0x120/0x120
[  414.366578]  ? mark_held_locks+0x130/0x130
[  414.370814]  ? find_get_entry+0xaae/0x1120
[  414.375051]  ? filemap_map_pages+0x1a20/0x1a20
[  414.379637]  ? zap_class+0x640/0x640
[  414.383363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.389043]  ? check_preemption_disabled+0x48/0x280
[  414.394054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.399845]  ? should_fail+0x22d/0xd01
[  414.403731]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.408833]  ? zap_class+0x640/0x640
[  414.412566]  ? __lock_is_held+0xb5/0x140
[  414.416631]  ? mark_held_locks+0x130/0x130
[  414.420868]  ? lock_release+0xa00/0xa00
[  414.424842]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.430288]  ? xa_load+0x2ba/0x460
[  414.433827]  ? lock_downgrade+0x900/0x900
[  414.437975]  ? __might_sleep+0x95/0x190
[  414.441948]  __alloc_pages_nodemask+0xa80/0xde0
[  414.446619]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.451631]  ? __page_cache_alloc+0x191/0x5c0
[  414.456123]  ? xa_load+0x2e1/0x460
[  414.459662]  ? xa_clear_mark+0x40/0x40
[  414.463561]  ? zap_class+0x640/0x640
[  414.467279]  ? zap_class+0x640/0x640
[  414.470989]  ? zap_class+0x640/0x640
[  414.474697]  ? __do_page_cache_readahead+0x663/0x810
[  414.479800]  ? find_held_lock+0x36/0x1c0
[  414.483865]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  414.489410]  alloc_pages_current+0x173/0x350
[  414.493818]  __page_cache_alloc+0x38c/0x5c0
[  414.498136]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.503372]  ? kasan_check_read+0x11/0x20
[  414.507516]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.512791]  ? generic_perform_write+0x6a0/0x6a0
[  414.517542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.523077]  ? check_preemption_disabled+0x48/0x280
[  414.528094]  filemap_fault+0x1595/0x25f0
[  414.532163]  ? __lock_page_or_retry+0xa00/0xa00
[  414.536833]  ? mark_held_locks+0x130/0x130
[  414.541075]  ? filemap_map_pages+0xd6b/0x1a20
[  414.545570]  ? lock_downgrade+0x900/0x900
[  414.549713]  ? check_preemption_disabled+0x48/0x280
[  414.554723]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.559652]  ? kasan_check_read+0x11/0x20
[  414.563793]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.569067]  ? rcu_softirq_qs+0x20/0x20
[  414.573049]  ? filemap_map_pages+0xd92/0x1a20
[  414.577548]  ? print_usage_bug+0xc0/0xc0
[  414.581619]  ? find_get_entries_tag+0x1400/0x1400
[  414.586456]  ? __kasan_slab_free+0x102/0x150
[  414.592247]  ? kasan_slab_free+0xe/0x10
[  414.596218]  ? kmem_cache_free+0x83/0x290
[  414.600366]  ? __sigqueue_free.part.29+0x74/0x90
[  414.605133]  ? lock_acquire+0x1ed/0x520
[  414.609106]  ? ext4_filemap_fault+0x7a/0xad
[  414.613428]  ? lock_release+0xa00/0xa00
[  414.617395]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.622841]  ? print_usage_bug+0xc0/0xc0
[  414.626897]  ? print_usage_bug+0xc0/0xc0
[  414.630964]  ? down_read+0x8d/0x120
[  414.634588]  ? ext4_filemap_fault+0x7a/0xad
[  414.638907]  ? __down_interruptible+0x700/0x700
[  414.643579]  ext4_filemap_fault+0x82/0xad
[  414.647724]  __do_fault+0x100/0x6b0
[  414.651363]  ? pmd_devmap_trans_unstable+0x220/0x220
[  414.656469]  ? mark_held_locks+0x130/0x130
[  414.660702]  ? mark_held_locks+0x130/0x130
[  414.664932]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  414.670813]  ? rcu_pm_notify+0xc0/0xc0
[  414.674703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.680269]  __handle_mm_fault+0x3ea0/0x5be0
[  414.684682]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  414.689522]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.694015]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.698596]  ? trace_hardirqs_on+0xbd/0x310
[  414.702915]  ? kasan_check_read+0x11/0x20
[  414.707059]  ? __set_current_blocked+0xdf/0x120
[  414.711728]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.716838]  ? zap_class+0x640/0x640
[  414.720545]  ? zap_class+0x640/0x640
[  414.724264]  ? find_held_lock+0x36/0x1c0
[  414.728339]  ? handle_mm_fault+0x42a/0xc70
[  414.732580]  ? lock_downgrade+0x900/0x900
[  414.736725]  ? check_preemption_disabled+0x48/0x280
[  414.741738]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.746660]  ? kasan_check_read+0x11/0x20
[  414.750806]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.756076]  ? rcu_softirq_qs+0x20/0x20
[  414.760043]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.765140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.770672]  ? check_preemption_disabled+0x48/0x280
[  414.775690]  handle_mm_fault+0x54f/0xc70
[  414.779749]  ? __handle_mm_fault+0x5be0/0x5be0
[  414.784335]  ? find_vma+0x34/0x190
[  414.787878]  __do_page_fault+0x5e8/0xe60
[  414.791936]  ? exit_to_usermode_loop+0x1f4/0x380
[  414.796696]  do_page_fault+0xf2/0x7e0
[  414.800497]  ? vmalloc_sync_all+0x30/0x30
[  414.804639]  ? error_entry+0x70/0xd0
[  414.808354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.813368]  ? trace_hardirqs_on_caller+0xc0/0x310
[  414.818290]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.823218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.828055]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.833071]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.838520]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.843531]  ? page_fault+0x8/0x30
[  414.847070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.851912]  ? page_fault+0x8/0x30
[  414.855446]  page_fault+0x1e/0x30
[  414.858895] RIP: 0033:0x45db60
[  414.862093] Code: Bad RIP value.
[  414.865450] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  414.870807] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  414.878074] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  414.885342] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  414.892603] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  414.899864] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  414.907169] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  414.907173] warn_alloc_show_mem: 1 callbacks suppressed
[  414.907179] Mem-Info:
[  414.914534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.919897] active_anon:52805 inactive_anon:249 isolated_anon:0
[  414.919897]  active_file:17 inactive_file:10 isolated_file:0
[  414.919897]  unevictable:0 dirty:0 writeback:0 unstable:0
[  414.919897]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  414.919897]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  414.919897]  free:13758 free_pcp:272 free_cma:0
[  414.922266] Call Trace:
[  414.931640] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  414.964480]  <IRQ>
[  414.967043] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  414.994617]  dump_stack+0x244/0x39d
[  414.996733] lowmem_reserve[]: 0 2818 6321 6321
[  415.022844]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.026439] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  415.031035]  warn_alloc.cold.116+0xb7/0x1bd
[  415.036182] lowmem_reserve[]: 0 0 3503 3503
[  415.063502]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.067793] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  415.072106]  ? lock_downgrade+0x900/0x900
[  415.076912] lowmem_reserve[]: 0 0 0 0
[  415.105800]  ? trace_hardirqs_off+0xb8/0x310
[  415.110030] 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
[  415.113830]  ? trace_hardirqs_off+0xb8/0x310
[  415.118202] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  415.131719]  __alloc_pages_slowpath+0x26e8/0x2e10
[  415.136177] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  415.151366]  ? warn_alloc+0x120/0x120
[  415.156164] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  415.171581]  ? print_usage_bug+0xc0/0xc0
[  415.175355] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  415.184173]  ? warn_alloc+0x120/0x120
[  415.188206] 326 total pagecache pages
[  415.196769]  ? warn_alloc+0x120/0x120
[  415.200548] 0 pages in swap cache
[  415.204331]  ? print_usage_bug+0xc0/0xc0
[  415.208104] Swap cache stats: add 0, delete 0, find 0/0
[  415.211628]  ? kvm_clock_read+0x18/0x30
[  415.215660] Free swap  = 0kB
[  415.221011]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.224954] Total swap = 0kB
[  415.227957]  ? print_usage_bug+0xc0/0xc0
[  415.232942] 1965979 pages RAM
[  415.235948]  ? __lock_acquire+0x62f/0x4c20
[  415.239980] 0 pages HighMem/MovableOnly
[  415.243073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.247280] 342854 pages reserved
[  415.247287] 0 pages cma reserved
[  415.251250]  ? should_fail+0x22d/0xd01
[  415.256823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.260193]  ? __lock_acquire+0x62f/0x4c20
[  415.260209]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.260224]  ? __lock_acquire+0x62f/0x4c20
[  415.263611] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.267443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.273904] syz-fuzzer cpuset=/ mems_allowed=0
[  415.278129]  ? __lock_acquire+0x62f/0x4c20
[  415.311505]  ? should_fail+0x22d/0xd01
[  415.315410]  ? mark_held_locks+0x130/0x130
[  415.319644]  ? mark_held_locks+0x130/0x130
[  415.323883]  ? zap_class+0x640/0x640
[  415.327593]  ? print_usage_bug+0xc0/0xc0
[  415.331654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.337191]  ? check_preemption_disabled+0x48/0x280
[  415.342221]  ? __lock_is_held+0xb5/0x140
[  415.346292]  __alloc_pages_nodemask+0xa80/0xde0
[  415.350955]  ? zap_class+0x640/0x640
[  415.354669]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.359693]  ? find_held_lock+0x36/0x1c0
[  415.363760]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.368425]  ? lock_downgrade+0x900/0x900
[  415.372575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.378111]  cache_grow_begin+0xa5/0x8c0
[  415.382166]  ? do_raw_spin_unlock+0xa7/0x330
[  415.386586]  fallback_alloc+0x204/0x2e0
[  415.390562]  ____cache_alloc_node+0x1c7/0x1e0
[  415.395062]  kmem_cache_alloc_node+0xe3/0x730
[  415.399555]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.403800]  __alloc_skb+0x119/0x770
[  415.407507]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.412785]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.417193]  ? lock_downgrade+0x900/0x900
[  415.421343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.426876]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.432324]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.437771]  ? addrconf_rs_timer+0x690/0x690
[  415.442198]  ndisc_alloc_skb+0x144/0x340
[  415.446270]  ndisc_send_rs+0x331/0x6e0
[  415.450157]  addrconf_rs_timer+0x314/0x690
[  415.454393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.458631]  call_timer_fn+0x272/0x920
[  415.462517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.466748]  ? process_timeout+0x40/0x40
[  415.470815]  ? __run_timers+0x7da/0xc70
[  415.474788]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.479288]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.483780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.488013]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.492594]  ? trace_hardirqs_on+0xbd/0x310
[  415.496909]  ? kasan_check_read+0x11/0x20
[  415.501052]  ? __run_timers+0x7da/0xc70
[  415.505526]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.510639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.514868]  __run_timers+0x7e5/0xc70
[  415.518678]  ? timer_fixup_init+0x70/0x70
[  415.522823]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.527835]  ? zap_class+0x640/0x640
[  415.531549]  ? enqueue_hrtimer+0x1a5/0x560
[  415.535790]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.540984]  ? find_held_lock+0x36/0x1c0
[  415.545049]  ? zap_class+0x640/0x640
[  415.548761]  ? pvclock_read_flags+0x160/0x160
[  415.553263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.558805]  ? check_preemption_disabled+0x48/0x280
[  415.563827]  ? __lock_is_held+0xb5/0x140
[  415.567886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.573433]  ? check_preemption_disabled+0x48/0x280
[  415.578463]  run_timer_softirq+0x52/0xb0
[  415.582520]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.587544]  __do_softirq+0x308/0xb7e
[  415.591346]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.595834]  ? lock_downgrade+0x900/0x900
[  415.599980]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.605084]  ? pvclock_read_flags+0x160/0x160
[  415.609575]  ? lapic_next_event+0x5a/0x90
[  415.613722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.619266]  ? kvm_clock_read+0x18/0x30
[  415.623235]  ? kvm_sched_clock_read+0x9/0x20
[  415.627651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.633184]  ? check_preemption_disabled+0x48/0x280
[  415.638207]  irq_exit+0x17f/0x1c0
[  415.641656]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.646510]  ? smp_call_function_single_interrupt+0x159/0x650
[  415.652394]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.658275]  ? interrupt_entry+0xb5/0xc0
[  415.662338]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.667352]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.672369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.677208]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.682229]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.687260]  ? task_prio+0x50/0x50
[  415.690803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.696341]  ? check_preemption_disabled+0x48/0x280
[  415.701355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.706200]  apic_timer_interrupt+0xf/0x20
[  415.710424]  </IRQ>
[  415.712660] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  415.718542] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  415.737435] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.745134] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  415.752396] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  415.759661] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  415.766922] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  415.774187] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  415.781480]  ? save_stack+0xa9/0xd0
[  415.785113]  __kmalloc_node_track_caller+0x3c/0x70
[  415.790044]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  415.794803]  pskb_expand_head+0x230/0x10f0
[  415.799037]  ? memcpy+0x45/0x50
[  415.802322]  ? __copy_skb_header+0x350/0x6b0
[  415.806731]  ? skb_release_data+0x880/0x880
[  415.811045]  ? __alloc_skb+0x770/0x770
[  415.814936]  ? __lock_is_held+0xb5/0x140
[  415.818999]  ? kasan_check_write+0x14/0x20
[  415.823232]  ? __skb_clone+0x6c7/0xa00
[  415.827121]  ? __copy_skb_header+0x6b0/0x6b0
[  415.831526]  ? kmem_cache_alloc+0x33a/0x730
[  415.835855]  skb_ensure_writable+0x3dd/0x640
[  415.840267]  ? skb_checksum_setup+0xaa0/0xaa0
[  415.844756]  ? check_preemption_disabled+0x48/0x280
[  415.849780]  ? __this_cpu_preempt_check+0x1c/0x20
[  415.854621]  ? __bpf_redirect+0x54b/0xb20
[  415.858777]  bpf_clone_redirect+0x14a/0x490
[  415.863103]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  415.868115]  ? __sched_text_start+0x8/0x8
[  415.872262]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.876841]  ? retint_kernel+0x2d/0x2d
[  415.880727]  ? trace_hardirqs_on_caller+0xc0/0x310
[  415.885662]  ? find_held_lock+0x36/0x1c0
[  415.889731]  ? lock_acquire+0x1ed/0x520
[  415.893703]  ? bpf_test_run+0x3cb/0x780
[  415.897674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.903206]  ? check_preemption_disabled+0x48/0x280
[  415.908236]  ? kasan_check_read+0x11/0x20
[  415.912381]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.917652]  ? rcu_softirq_qs+0x20/0x20
[  415.921625]  ? preempt_schedule+0x4d/0x60
[  415.925873]  ? ___preempt_schedule+0x16/0x18
[  415.930300]  ? bpf_test_run+0x25d/0x780
[  415.934281]  ? netlink_diag_dump+0x2a0/0x2a0
[  415.938702]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  415.943464]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.948300]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  415.953832]  ? fput+0x130/0x1a0
[  415.957109]  ? __bpf_prog_get+0x9b/0x290
[  415.961169]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.966003]  ? bpf_prog_test_run+0x130/0x1a0
[  415.970408]  ? __x64_sys_bpf+0x3d8/0x520
[  415.974464]  ? bpf_prog_get+0x20/0x20
[  415.978271]  ? do_syscall_64+0x142/0x820
[  415.982334]  ? do_syscall_64+0x1b9/0x820
[  415.986388]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  415.991756]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.996773]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.001613]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.006629]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  416.011644]  ? prepare_exit_to_usermode+0x291/0x3b0
[  416.016662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.021505]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  416.026886] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  416.026950] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  416.033903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.033908] Call Trace:
[  416.033912]  <IRQ>
[  416.033929]  dump_stack+0x244/0x39d
[  416.033948]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.040489] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.049769]  warn_alloc.cold.116+0xb7/0x1bd
[  416.052328] syz-executor1 cpuset=syz1 mems_allowed=0
[  416.054466]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.087916]  ? lock_downgrade+0x900/0x900
[  416.092068]  ? trace_hardirqs_off+0xb8/0x310
[  416.096479]  ? trace_hardirqs_off+0xb8/0x310
[  416.100896]  __alloc_pages_slowpath+0x26e8/0x2e10
[  416.105761]  ? warn_alloc+0x120/0x120
[  416.109563]  ? print_usage_bug+0xc0/0xc0
[  416.113620]  ? warn_alloc+0x120/0x120
[  416.117422]  ? warn_alloc+0x120/0x120
[  416.121223]  ? print_usage_bug+0xc0/0xc0
[  416.125287]  ? print_usage_bug+0xc0/0xc0
[  416.129348]  ? __lock_acquire+0x62f/0x4c20
[  416.133585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.139117]  ? should_fail+0x22d/0xd01
[  416.143004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.148117]  ? __lock_acquire+0x62f/0x4c20
[  416.152354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.157450]  ? __lock_acquire+0x62f/0x4c20
[  416.161678]  ? should_fail+0x22d/0xd01
[  416.165558]  ? find_held_lock+0x36/0x1c0
[  416.169625]  ? mark_held_locks+0x130/0x130
[  416.173862]  ? mark_held_locks+0x130/0x130
[  416.178090]  ? zap_class+0x640/0x640
[  416.181800]  ? zap_class+0x640/0x640
[  416.185511]  ? print_usage_bug+0xc0/0xc0
[  416.189565]  ? do_raw_spin_unlock+0xa7/0x330
[  416.193967]  ? zap_class+0x640/0x640
[  416.197676]  ? print_usage_bug+0xc0/0xc0
[  416.201731]  ? wq_watchdog_touch+0x9c/0xfe
[  416.205965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.211502]  ? check_preemption_disabled+0x48/0x280
[  416.216521]  ? __lock_is_held+0xb5/0x140
[  416.220584]  __alloc_pages_nodemask+0xa80/0xde0
[  416.225251]  ? zap_class+0x640/0x640
[  416.228966]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.233986]  ? find_held_lock+0x36/0x1c0
[  416.238050]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.242714]  ? lock_downgrade+0x900/0x900
[  416.246864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.252402]  cache_grow_begin+0xa5/0x8c0
[  416.256455]  ? do_raw_spin_unlock+0xa7/0x330
[  416.260864]  fallback_alloc+0x204/0x2e0
[  416.264839]  ____cache_alloc_node+0x1c7/0x1e0
[  416.269337]  kmem_cache_alloc_node+0xe3/0x730
[  416.273829]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.278068]  __alloc_skb+0x119/0x770
[  416.281778]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.287055]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.291462]  ? lock_downgrade+0x900/0x900
[  416.295615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.301148]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.306597]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.312044]  ? addrconf_rs_timer+0x690/0x690
[  416.316457]  ndisc_alloc_skb+0x144/0x340
[  416.320519]  ndisc_send_rs+0x331/0x6e0
[  416.324406]  addrconf_rs_timer+0x314/0x690
[  416.328640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.332881]  call_timer_fn+0x272/0x920
[  416.336764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.340994]  ? process_timeout+0x40/0x40
[  416.345058]  ? mark_held_locks+0xc7/0x130
[  416.349211]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.353704]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.358199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.362432]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.367010]  ? trace_hardirqs_on+0xbd/0x310
[  416.371325]  ? kasan_check_read+0x11/0x20
[  416.375467]  ? __run_timers+0x7da/0xc70
[  416.379438]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.384542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.388780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.393010]  __run_timers+0x7e5/0xc70
[  416.396818]  ? timer_fixup_init+0x70/0x70
[  416.400963]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.405976]  ? zap_class+0x640/0x640
[  416.409689]  ? print_usage_bug+0xc0/0xc0
[  416.413753]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.418942]  ? find_held_lock+0x36/0x1c0
[  416.423004]  ? zap_class+0x640/0x640
[  416.426723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.432261]  ? check_preemption_disabled+0x48/0x280
[  416.437284]  ? __lock_is_held+0xb5/0x140
[  416.441344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.446881]  ? check_preemption_disabled+0x48/0x280
[  416.451900]  run_timer_softirq+0x52/0xb0
[  416.455960]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.460973]  __do_softirq+0x308/0xb7e
[  416.464776]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  416.469264]  ? lock_downgrade+0x900/0x900
[  416.473416]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.478522]  ? pvclock_read_flags+0x160/0x160
[  416.483015]  ? lapic_next_event+0x5a/0x90
[  416.487163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.492708]  ? kvm_clock_read+0x18/0x30
[  416.496677]  ? kvm_sched_clock_read+0x9/0x20
[  416.501082]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.507041]  ? check_preemption_disabled+0x48/0x280
[  416.512061]  irq_exit+0x17f/0x1c0
[  416.515509]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.520348]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.526229]  ? interrupt_entry+0xb5/0xc0
[  416.530289]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.535309]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.540325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.545175]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.550196]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.555221]  ? task_prio+0x50/0x50
[  416.558758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.564291]  ? check_preemption_disabled+0x48/0x280
[  416.569412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.574257]  apic_timer_interrupt+0xf/0x20
[  416.578478]  </IRQ>
[  416.580712] RIP: 0010:dump_stack+0x358/0x39d
[  416.585118] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  416.604097] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  416.611801] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  416.619065] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  416.626327] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  416.633598] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  416.640859] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  416.648139]  ? dump_stack+0x34f/0x39d
[  416.651954]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.657145]  ? mark_held_locks+0x130/0x130
[  416.661379]  ? mark_held_locks+0x130/0x130
[  416.665613]  dump_header+0x27b/0xf72
[  416.669339]  ? pagefault_out_of_memory+0x197/0x197
[  416.674623]  ? __lock_acquire+0x62f/0x4c20
[  416.678856]  ? percpu_ref_get_many+0x240/0x240
[  416.683434]  ? print_usage_bug+0xc0/0xc0
[  416.687495]  ? zap_class+0x640/0x640
[  416.691210]  ? print_usage_bug+0xc0/0xc0
[  416.695265]  ? print_usage_bug+0xc0/0xc0
[  416.699327]  ? zap_class+0x640/0x640
[  416.703040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.708576]  ? find_held_lock+0x36/0x1c0
[  416.712657]  ? mark_held_locks+0xc7/0x130
[  416.716802]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.721905]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.727007]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.731585]  ? trace_hardirqs_on+0xbd/0x310
[  416.735904]  ? kasan_check_read+0x11/0x20
[  416.740046]  ? ___ratelimit+0x3b4/0x672
[  416.744017]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.749115]  ? trace_hardirqs_on+0x310/0x310
[  416.753519]  ? lock_downgrade+0x900/0x900
[  416.757667]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.762780]  ? ___ratelimit+0x3b9/0x672
[  416.766754]  ? idr_get_free+0xf70/0xf70
[  416.770723]  ? find_held_lock+0x36/0x1c0
[  416.774793]  oom_kill_process.cold.27+0x10/0x903
[  416.779545]  ? zap_class+0x640/0x640
[  416.783263]  ? check_preemption_disabled+0x48/0x280
[  416.788278]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.793207]  ? kasan_check_read+0x11/0x20
[  416.797351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.802625]  ? oom_evaluate_task+0x540/0x540
[  416.807030]  ? find_held_lock+0x36/0x1c0
[  416.811094]  ? out_of_memory+0x974/0x1430
[  416.815238]  ? lock_downgrade+0x900/0x900
[  416.819390]  ? check_preemption_disabled+0x48/0x280
[  416.824407]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.829338]  ? kasan_check_read+0x11/0x20
[  416.833481]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.838753]  ? rcu_softirq_qs+0x20/0x20
[  416.842729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.848258]  ? oom_evaluate_task+0x302/0x540
[  416.852679]  out_of_memory+0xa84/0x1430
[  416.856660]  ? oom_killer_disable+0x3a0/0x3a0
[  416.861157]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  416.866085]  ? __ww_mutex_check_waiters+0x160/0x160
[  416.871108]  __alloc_pages_slowpath+0x2354/0x2e10
[  416.875977]  ? warn_alloc+0x120/0x120
[  416.879775]  ? mark_held_locks+0x130/0x130
[  416.884013]  ? find_get_entry+0xaae/0x1120
[  416.888251]  ? filemap_map_pages+0x1a20/0x1a20
[  416.892835]  ? zap_class+0x640/0x640
[  416.896550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.902081]  ? check_preemption_disabled+0x48/0x280
[  416.907093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.912626]  ? should_fail+0x22d/0xd01
[  416.916515]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.921619]  ? zap_class+0x640/0x640
[  416.925352]  ? __lock_is_held+0xb5/0x140
[  416.929422]  ? mark_held_locks+0x130/0x130
[  416.933658]  ? lock_release+0xa00/0xa00
[  416.937629]  ? perf_trace_sched_process_exec+0x860/0x860
[  416.943074]  ? xa_load+0x2ba/0x460
[  416.946611]  ? lock_downgrade+0x900/0x900
[  416.950761]  ? __might_sleep+0x95/0x190
[  416.954737]  __alloc_pages_nodemask+0xa80/0xde0
[  416.959409]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.964419]  ? __page_cache_alloc+0x191/0x5c0
[  416.968909]  ? xa_load+0x2e1/0x460
[  416.972446]  ? xa_clear_mark+0x40/0x40
[  416.976331]  ? zap_class+0x640/0x640
[  416.980048]  ? zap_class+0x640/0x640
[  416.983754]  ? zap_class+0x640/0x640
[  416.987463]  ? __do_page_cache_readahead+0x663/0x810
[  416.992563]  ? find_held_lock+0x36/0x1c0
[  416.996630]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  417.002179]  alloc_pages_current+0x173/0x350
[  417.006587]  __page_cache_alloc+0x38c/0x5c0
[  417.010902]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.015827]  ? kasan_check_read+0x11/0x20
[  417.019969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.025241]  ? generic_perform_write+0x6a0/0x6a0
[  417.029993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.035529]  ? check_preemption_disabled+0x48/0x280
[  417.040546]  filemap_fault+0x1595/0x25f0
[  417.044632]  ? __lock_page_or_retry+0xa00/0xa00
[  417.049302]  ? mark_held_locks+0x130/0x130
[  417.053539]  ? filemap_map_pages+0xd6b/0x1a20
[  417.058032]  ? lock_downgrade+0x900/0x900
[  417.062178]  ? check_preemption_disabled+0x48/0x280
[  417.067191]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.072113]  ? kasan_check_read+0x11/0x20
[  417.076261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.081534]  ? rcu_softirq_qs+0x20/0x20
[  417.085517]  ? filemap_map_pages+0xd92/0x1a20
[  417.090014]  ? print_usage_bug+0xc0/0xc0
[  417.094081]  ? find_get_entries_tag+0x1400/0x1400
[  417.098920]  ? __kasan_slab_free+0x102/0x150
[  417.103327]  ? kasan_slab_free+0xe/0x10
[  417.107296]  ? kmem_cache_free+0x83/0x290
[  417.111440]  ? __sigqueue_free.part.29+0x74/0x90
[  417.116207]  ? lock_acquire+0x1ed/0x520
[  417.120178]  ? ext4_filemap_fault+0x7a/0xad
[  417.124501]  ? lock_release+0xa00/0xa00
[  417.128484]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.133934]  ? print_usage_bug+0xc0/0xc0
[  417.137991]  ? print_usage_bug+0xc0/0xc0
[  417.142062]  ? down_read+0x8d/0x120
[  417.145684]  ? ext4_filemap_fault+0x7a/0xad
[  417.150003]  ? __down_interruptible+0x700/0x700
[  417.154677]  ext4_filemap_fault+0x82/0xad
[  417.158828]  __do_fault+0x100/0x6b0
[  417.162454]  ? pmd_devmap_trans_unstable+0x220/0x220
[  417.167556]  ? mark_held_locks+0x130/0x130
[  417.171799]  ? mark_held_locks+0x130/0x130
[  417.176034]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  417.181569]  ? rcu_pm_notify+0xc0/0xc0
[  417.185462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.191001]  __handle_mm_fault+0x3ea0/0x5be0
[  417.195414]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  417.200248]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.204738]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.209318]  ? trace_hardirqs_on+0xbd/0x310
[  417.213633]  ? kasan_check_read+0x11/0x20
[  417.217775]  ? __set_current_blocked+0xdf/0x120
[  417.222438]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.227545]  ? zap_class+0x640/0x640
[  417.231256]  ? zap_class+0x640/0x640
[  417.234973]  ? find_held_lock+0x36/0x1c0
[  417.239044]  ? handle_mm_fault+0x42a/0xc70
[  417.243275]  ? lock_downgrade+0x900/0x900
[  417.247419]  ? check_preemption_disabled+0x48/0x280
[  417.252432]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.257364]  ? kasan_check_read+0x11/0x20
[  417.261508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.266783]  ? rcu_softirq_qs+0x20/0x20
[  417.270752]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.275853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.281394]  ? check_preemption_disabled+0x48/0x280
[  417.286415]  handle_mm_fault+0x54f/0xc70
[  417.290474]  ? __handle_mm_fault+0x5be0/0x5be0
[  417.295055]  ? find_vma+0x34/0x190
[  417.298599]  __do_page_fault+0x5e8/0xe60
[  417.302657]  ? exit_to_usermode_loop+0x1f4/0x380
[  417.307424]  do_page_fault+0xf2/0x7e0
[  417.311223]  ? vmalloc_sync_all+0x30/0x30
[  417.315379]  ? error_entry+0x70/0xd0
[  417.319093]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.324116]  ? trace_hardirqs_on_caller+0xc0/0x310
[  417.329043]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.333969]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.338812]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.343823]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.349277]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.354286]  ? page_fault+0x8/0x30
[  417.357824]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.362666]  ? page_fault+0x8/0x30
[  417.366202]  page_fault+0x1e/0x30
[  417.369648] RIP: 0033:0x45db60
[  417.372848] Code: Bad RIP value.
[  417.376204] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  417.381565] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  417.388827] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  417.396089] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  417.403355] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  417.410619] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  417.417906] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  417.417911] warn_alloc_show_mem: 1 callbacks suppressed
[  417.417917] Mem-Info:
[  417.425272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.430633] active_anon:52805 inactive_anon:249 isolated_anon:0
[  417.430633]  active_file:17 inactive_file:10 isolated_file:0
[  417.430633]  unevictable:0 dirty:0 writeback:0 unstable:0
[  417.430633]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  417.430633]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  417.430633]  free:13758 free_pcp:272 free_cma:0
[  417.433006] Call Trace:
[  417.442380] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  417.475217]  <IRQ>
[  417.477780] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  417.505686]  dump_stack+0x244/0x39d
[  417.507809] lowmem_reserve[]: 0 2818 6321 6321
[  417.533911]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.537509] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  417.542099]  warn_alloc.cold.116+0xb7/0x1bd
[  417.547242] lowmem_reserve[]: 0 0 3503 3503
[  417.574565]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.578857] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  417.583169]  ? lock_downgrade+0x900/0x900
[  417.587982] lowmem_reserve[]: 0 0 0 0
[  417.616864]  ? trace_hardirqs_off+0xb8/0x310
[  417.620979] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  417.624772]  ? trace_hardirqs_off+0xb8/0x310
[  417.629151] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  417.642670]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.647044] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  417.662232]  ? warn_alloc+0x120/0x120
[  417.667030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  417.682904]  ? print_usage_bug+0xc0/0xc0
[  417.686683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  417.695509]  ? warn_alloc+0x120/0x120
[  417.699545] 326 total pagecache pages
[  417.708125]  ? warn_alloc+0x120/0x120
[  417.711906] 0 pages in swap cache
[  417.715690]  ? print_usage_bug+0xc0/0xc0
[  417.719462] Swap cache stats: add 0, delete 0, find 0/0
[  417.719470] Free swap  = 0kB
[  417.722910]  ? kvm_clock_read+0x18/0x30
[  417.726934] Total swap = 0kB
[  417.726942] 1965979 pages RAM
[  417.732294]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.735282] 0 pages HighMem/MovableOnly
[  417.739244]  ? print_usage_bug+0xc0/0xc0
[  417.742238] 342854 pages reserved
[  417.745333]  ? __lock_acquire+0x62f/0x4c20
[  417.750321] 0 pages cma reserved
[  417.754305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.758389] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.761781]  ? should_fail+0x22d/0xd01
[  417.766034] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.769339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.774848] syz-fuzzer cpuset=/ mems_allowed=0
[  417.781329]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.810323]  ? __lock_acquire+0x62f/0x4c20
[  417.814563]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.819666]  ? __lock_acquire+0x62f/0x4c20
[  417.823904]  ? should_fail+0x22d/0xd01
[  417.827785]  ? rcu_irq_exit+0x1a2/0x390
[  417.831771]  ? mark_held_locks+0x130/0x130
[  417.836006]  ? mark_held_locks+0x130/0x130
[  417.840243]  ? mark_held_locks+0xc7/0x130
[  417.844388]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  417.849403]  ? zap_class+0x640/0x640
[  417.853113]  ? print_usage_bug+0xc0/0xc0
[  417.857174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.862708]  ? check_preemption_disabled+0x48/0x280
[  417.867727]  ? __lock_is_held+0xb5/0x140
[  417.871807]  __alloc_pages_nodemask+0xa80/0xde0
[  417.876471]  ? zap_class+0x640/0x640
[  417.880187]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.885211]  ? find_held_lock+0x36/0x1c0
[  417.889277]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.893942]  ? lock_downgrade+0x900/0x900
[  417.898096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.903636]  cache_grow_begin+0xa5/0x8c0
[  417.907694]  ? do_raw_spin_unlock+0xa7/0x330
[  417.912105]  fallback_alloc+0x204/0x2e0
[  417.916089]  ____cache_alloc_node+0x1c7/0x1e0
[  417.920588]  kmem_cache_alloc_node+0xe3/0x730
[  417.925091]  ? ipv6_get_ifaddr+0x42e/0x620
[  417.929331]  __alloc_skb+0x119/0x770
[  417.933039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.938321]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.942727]  ? lock_downgrade+0x900/0x900
[  417.946878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.952412]  ? refcount_sub_and_test_checked+0x203/0x310
[  417.957861]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  417.963305]  ? addrconf_rs_timer+0x690/0x690
[  417.967724]  ndisc_alloc_skb+0x144/0x340
[  417.971784]  ndisc_send_rs+0x331/0x6e0
[  417.975674]  addrconf_rs_timer+0x314/0x690
[  417.979908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.984150]  call_timer_fn+0x272/0x920
[  417.988033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.992269]  ? process_timeout+0x40/0x40
[  417.996334]  ? __run_timers+0x7da/0xc70
[  418.000303]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.004793]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.009282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.013513]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.018097]  ? trace_hardirqs_on+0xbd/0x310
[  418.022412]  ? kasan_check_read+0x11/0x20
[  418.026554]  ? __run_timers+0x7da/0xc70
[  418.030538]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.035643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.039883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.044115]  __run_timers+0x7e5/0xc70
[  418.047918]  ? timer_fixup_init+0x70/0x70
[  418.052070]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.057085]  ? zap_class+0x640/0x640
[  418.060799]  ? enqueue_hrtimer+0x1a5/0x560
[  418.065036]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.070413]  ? find_held_lock+0x36/0x1c0
[  418.074483]  ? zap_class+0x640/0x640
[  418.078195]  ? pvclock_read_flags+0x160/0x160
[  418.082689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.088228]  ? check_preemption_disabled+0x48/0x280
[  418.093250]  ? __lock_is_held+0xb5/0x140
[  418.097308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.102843]  ? check_preemption_disabled+0x48/0x280
[  418.107858]  run_timer_softirq+0x52/0xb0
[  418.111916]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.116929]  __do_softirq+0x308/0xb7e
[  418.120742]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.125231]  ? lock_downgrade+0x900/0x900
[  418.129380]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.134484]  ? pvclock_read_flags+0x160/0x160
[  418.138975]  ? lapic_next_event+0x5a/0x90
[  418.143119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.148658]  ? kvm_clock_read+0x18/0x30
[  418.152631]  ? kvm_sched_clock_read+0x9/0x20
[  418.157046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.162582]  ? check_preemption_disabled+0x48/0x280
[  418.167862]  irq_exit+0x17f/0x1c0
[  418.171313]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.176151]  ? smp_call_function_single_interrupt+0x159/0x650
[  418.182030]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.187920]  ? interrupt_entry+0xb5/0xc0
[  418.191981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.196992]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.202005]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.206854]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.211870]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.216884]  ? task_prio+0x50/0x50
[  418.220421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.225955]  ? check_preemption_disabled+0x48/0x280
[  418.230974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.235818]  apic_timer_interrupt+0xf/0x20
[  418.240072]  </IRQ>
[  418.242307] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  418.248188] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  418.267086] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  418.274787] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  418.282054] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  418.289320] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  418.296589] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  418.303853] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  418.311146]  ? save_stack+0xa9/0xd0
[  418.314780]  __kmalloc_node_track_caller+0x3c/0x70
[  418.319713]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  418.324469]  pskb_expand_head+0x230/0x10f0
[  418.328709]  ? memcpy+0x45/0x50
[  418.331994]  ? __copy_skb_header+0x350/0x6b0
[  418.336412]  ? skb_release_data+0x880/0x880
[  418.340729]  ? __alloc_skb+0x770/0x770
[  418.344625]  ? __lock_is_held+0xb5/0x140
[  418.348693]  ? kasan_check_write+0x14/0x20
[  418.352932]  ? __skb_clone+0x6c7/0xa00
[  418.356818]  ? __copy_skb_header+0x6b0/0x6b0
[  418.361223]  ? kmem_cache_alloc+0x33a/0x730
[  418.365550]  skb_ensure_writable+0x3dd/0x640
[  418.369965]  ? skb_checksum_setup+0xaa0/0xaa0
[  418.374456]  ? check_preemption_disabled+0x48/0x280
[  418.379483]  ? __this_cpu_preempt_check+0x1c/0x20
[  418.384326]  ? __bpf_redirect+0x54b/0xb20
[  418.388477]  bpf_clone_redirect+0x14a/0x490
[  418.392805]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  418.397827]  ? __sched_text_start+0x8/0x8
[  418.401974]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.406556]  ? retint_kernel+0x2d/0x2d
[  418.410440]  ? trace_hardirqs_on_caller+0xc0/0x310
[  418.415373]  ? find_held_lock+0x36/0x1c0
[  418.419443]  ? lock_acquire+0x1ed/0x520
[  418.423412]  ? bpf_test_run+0x3cb/0x780
[  418.427390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.432930]  ? check_preemption_disabled+0x48/0x280
[  418.437951]  ? kasan_check_read+0x11/0x20
[  418.442098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.447373]  ? rcu_softirq_qs+0x20/0x20
[  418.451346]  ? preempt_schedule+0x4d/0x60
[  418.455492]  ? ___preempt_schedule+0x16/0x18
[  418.459904]  ? bpf_test_run+0x25d/0x780
[  418.463883]  ? netlink_diag_dump+0x2a0/0x2a0
[  418.468300]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  418.473065]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.477905]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  418.483438]  ? fput+0x130/0x1a0
[  418.486713]  ? __bpf_prog_get+0x9b/0x290
[  418.490776]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.495617]  ? bpf_prog_test_run+0x130/0x1a0
[  418.500037]  ? __x64_sys_bpf+0x3d8/0x520
[  418.504100]  ? bpf_prog_get+0x20/0x20
[  418.507910]  ? do_syscall_64+0x142/0x820
[  418.511974]  ? do_syscall_64+0x1b9/0x820
[  418.516042]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  418.521405]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.526333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.531177]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.536205]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  418.541225]  ? prepare_exit_to_usermode+0x291/0x3b0
[  418.546270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.551119]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  418.556498] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  418.556565] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.563518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.563523] Call Trace:
[  418.563529]  <IRQ>
[  418.563547]  dump_stack+0x244/0x39d
[  418.563566]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.570129] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.579414]  warn_alloc.cold.116+0xb7/0x1bd
[  418.581971] syz-executor1 cpuset=syz1 mems_allowed=0
[  418.584109]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.617559]  ? lock_downgrade+0x900/0x900
[  418.621716]  ? trace_hardirqs_off+0xb8/0x310
[  418.626130]  ? trace_hardirqs_off+0xb8/0x310
[  418.630541]  __alloc_pages_slowpath+0x26e8/0x2e10
[  418.635405]  ? warn_alloc+0x120/0x120
[  418.639211]  ? print_usage_bug+0xc0/0xc0
[  418.643272]  ? warn_alloc+0x120/0x120
[  418.647081]  ? warn_alloc+0x120/0x120
[  418.650881]  ? print_usage_bug+0xc0/0xc0
[  418.654940]  ? print_usage_bug+0xc0/0xc0
[  418.659007]  ? __lock_acquire+0x62f/0x4c20
[  418.663247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.668779]  ? should_fail+0x22d/0xd01
[  418.673199]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.678301]  ? __lock_acquire+0x62f/0x4c20
[  418.682535]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.687637]  ? __lock_acquire+0x62f/0x4c20
[  418.691865]  ? should_fail+0x22d/0xd01
[  418.695747]  ? find_held_lock+0x36/0x1c0
[  418.699811]  ? mark_held_locks+0x130/0x130
[  418.704051]  ? mark_held_locks+0x130/0x130
[  418.708279]  ? zap_class+0x640/0x640
[  418.711989]  ? zap_class+0x640/0x640
[  418.715712]  ? print_usage_bug+0xc0/0xc0
[  418.719765]  ? do_raw_spin_unlock+0xa7/0x330
[  418.724172]  ? zap_class+0x640/0x640
[  418.727882]  ? print_usage_bug+0xc0/0xc0
[  418.731938]  ? wq_watchdog_touch+0x9c/0xfe
[  418.736172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.741710]  ? check_preemption_disabled+0x48/0x280
[  418.746733]  ? __lock_is_held+0xb5/0x140
[  418.750801]  __alloc_pages_nodemask+0xa80/0xde0
[  418.755483]  ? zap_class+0x640/0x640
[  418.759198]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.764225]  ? find_held_lock+0x36/0x1c0
[  418.768290]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.772961]  ? lock_downgrade+0x900/0x900
[  418.777117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.782657]  cache_grow_begin+0xa5/0x8c0
[  418.786712]  ? do_raw_spin_unlock+0xa7/0x330
[  418.791122]  fallback_alloc+0x204/0x2e0
[  418.795105]  ____cache_alloc_node+0x1c7/0x1e0
[  418.799621]  kmem_cache_alloc_node+0xe3/0x730
[  418.804114]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.808352]  __alloc_skb+0x119/0x770
[  418.812062]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.817340]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.821745]  ? lock_downgrade+0x900/0x900
[  418.825896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.831427]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.836878]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.842322]  ? addrconf_rs_timer+0x690/0x690
[  418.846738]  ndisc_alloc_skb+0x144/0x340
[  418.850799]  ndisc_send_rs+0x331/0x6e0
[  418.854688]  addrconf_rs_timer+0x314/0x690
[  418.858927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.863167]  call_timer_fn+0x272/0x920
[  418.867050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.871279]  ? process_timeout+0x40/0x40
[  418.875347]  ? mark_held_locks+0xc7/0x130
[  418.879493]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.883991]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.888483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.892713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.897296]  ? trace_hardirqs_on+0xbd/0x310
[  418.901615]  ? kasan_check_read+0x11/0x20
[  418.905758]  ? __run_timers+0x7da/0xc70
[  418.909728]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.914830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.919065]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.923293]  __run_timers+0x7e5/0xc70
[  418.927101]  ? timer_fixup_init+0x70/0x70
[  418.931258]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.936270]  ? zap_class+0x640/0x640
[  418.939990]  ? print_usage_bug+0xc0/0xc0
[  418.944053]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.949251]  ? find_held_lock+0x36/0x1c0
[  418.953315]  ? zap_class+0x640/0x640
[  418.957031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.962566]  ? check_preemption_disabled+0x48/0x280
[  418.967587]  ? __lock_is_held+0xb5/0x140
[  418.971644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.977176]  ? check_preemption_disabled+0x48/0x280
[  418.982192]  run_timer_softirq+0x52/0xb0
[  418.986248]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.991260]  __do_softirq+0x308/0xb7e
[  418.995058]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.999546]  ? lock_downgrade+0x900/0x900
[  419.003698]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.008803]  ? pvclock_read_flags+0x160/0x160
[  419.013294]  ? lapic_next_event+0x5a/0x90
[  419.017444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.022990]  ? kvm_clock_read+0x18/0x30
[  419.026974]  ? kvm_sched_clock_read+0x9/0x20
[  419.031387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.036923]  ? check_preemption_disabled+0x48/0x280
[  419.041949]  irq_exit+0x17f/0x1c0
[  419.045410]  smp_apic_timer_interrupt+0x1cb/0x760
[  419.050251]  ? smp_call_function_single_interrupt+0x650/0x650
[  419.056130]  ? interrupt_entry+0xb5/0xc0
[  419.060190]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.065204]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.070241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.075084]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.080094]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.085107]  ? task_prio+0x50/0x50
[  419.088819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.094351]  ? check_preemption_disabled+0x48/0x280
[  419.099383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.104228]  apic_timer_interrupt+0xf/0x20
[  419.108455]  </IRQ>
[  419.110690] RIP: 0010:dump_stack+0x358/0x39d
[  419.115099] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  419.134000] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  419.141701] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  419.148972] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  419.156238] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  419.163504] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  419.170768] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  419.178049]  ? dump_stack+0x34f/0x39d
[  419.181863]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.187053]  ? mark_held_locks+0x130/0x130
[  419.191284]  ? mark_held_locks+0x130/0x130
[  419.195519]  dump_header+0x27b/0xf72
[  419.199239]  ? pagefault_out_of_memory+0x197/0x197
[  419.204170]  ? __lock_acquire+0x62f/0x4c20
[  419.208411]  ? percpu_ref_get_many+0x240/0x240
[  419.213081]  ? print_usage_bug+0xc0/0xc0
[  419.217146]  ? zap_class+0x640/0x640
[  419.220858]  ? print_usage_bug+0xc0/0xc0
[  419.224913]  ? print_usage_bug+0xc0/0xc0
[  419.228978]  ? zap_class+0x640/0x640
[  419.232694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.238246]  ? find_held_lock+0x36/0x1c0
[  419.242397]  ? mark_held_locks+0xc7/0x130
[  419.246541]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.251637]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.256739]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.261318]  ? trace_hardirqs_on+0xbd/0x310
[  419.265634]  ? kasan_check_read+0x11/0x20
[  419.269780]  ? ___ratelimit+0x3b4/0x672
[  419.273752]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.278852]  ? trace_hardirqs_on+0x310/0x310
[  419.283256]  ? lock_downgrade+0x900/0x900
[  419.287402]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.292499]  ? ___ratelimit+0x3b9/0x672
[  419.296486]  ? idr_get_free+0xf70/0xf70
[  419.300459]  ? find_held_lock+0x36/0x1c0
[  419.304524]  oom_kill_process.cold.27+0x10/0x903
[  419.309274]  ? zap_class+0x640/0x640
[  419.312988]  ? check_preemption_disabled+0x48/0x280
[  419.318008]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.322935]  ? kasan_check_read+0x11/0x20
[  419.327087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.332363]  ? oom_evaluate_task+0x540/0x540
[  419.336769]  ? find_held_lock+0x36/0x1c0
[  419.340837]  ? out_of_memory+0x974/0x1430
[  419.344985]  ? lock_downgrade+0x900/0x900
[  419.349126]  ? check_preemption_disabled+0x48/0x280
[  419.354140]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.359063]  ? kasan_check_read+0x11/0x20
[  419.363205]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.368477]  ? rcu_softirq_qs+0x20/0x20
[  419.372453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.377992]  ? oom_evaluate_task+0x302/0x540
[  419.382399]  out_of_memory+0xa84/0x1430
[  419.386374]  ? oom_killer_disable+0x3a0/0x3a0
[  419.390865]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  419.395796]  ? __ww_mutex_check_waiters+0x160/0x160
[  419.400817]  __alloc_pages_slowpath+0x2354/0x2e10
[  419.405684]  ? warn_alloc+0x120/0x120
[  419.409484]  ? mark_held_locks+0x130/0x130
[  419.413724]  ? find_get_entry+0xaae/0x1120
[  419.417968]  ? filemap_map_pages+0x1a20/0x1a20
[  419.422555]  ? zap_class+0x640/0x640
[  419.426269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.431800]  ? check_preemption_disabled+0x48/0x280
[  419.436815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.442350]  ? should_fail+0x22d/0xd01
[  419.446241]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.451344]  ? zap_class+0x640/0x640
[  419.455078]  ? __lock_is_held+0xb5/0x140
[  419.459143]  ? mark_held_locks+0x130/0x130
[  419.463375]  ? lock_release+0xa00/0xa00
[  419.467348]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.472795]  ? xa_load+0x2ba/0x460
[  419.476331]  ? lock_downgrade+0x900/0x900
[  419.480477]  ? __might_sleep+0x95/0x190
[  419.484452]  __alloc_pages_nodemask+0xa80/0xde0
[  419.489124]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.494135]  ? __page_cache_alloc+0x191/0x5c0
[  419.498627]  ? xa_load+0x2e1/0x460
[  419.502165]  ? xa_clear_mark+0x40/0x40
[  419.506497]  ? zap_class+0x640/0x640
[  419.510218]  ? zap_class+0x640/0x640
[  419.513924]  ? zap_class+0x640/0x640
[  419.517647]  ? __do_page_cache_readahead+0x663/0x810
[  419.522748]  ? find_held_lock+0x36/0x1c0
[  419.526813]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  419.532352]  alloc_pages_current+0x173/0x350
[  419.536761]  __page_cache_alloc+0x38c/0x5c0
[  419.541081]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.546008]  ? kasan_check_read+0x11/0x20
[  419.550154]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.555426]  ? generic_perform_write+0x6a0/0x6a0
[  419.560181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.565716]  ? check_preemption_disabled+0x48/0x280
[  419.570740]  filemap_fault+0x1595/0x25f0
[  419.574810]  ? __lock_page_or_retry+0xa00/0xa00
[  419.579487]  ? mark_held_locks+0x130/0x130
[  419.583735]  ? filemap_map_pages+0xd6b/0x1a20
[  419.588231]  ? lock_downgrade+0x900/0x900
[  419.592379]  ? check_preemption_disabled+0x48/0x280
[  419.597398]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.602323]  ? kasan_check_read+0x11/0x20
[  419.606466]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.611738]  ? rcu_softirq_qs+0x20/0x20
[  419.615737]  ? filemap_map_pages+0xd92/0x1a20
[  419.620241]  ? print_usage_bug+0xc0/0xc0
[  419.624307]  ? find_get_entries_tag+0x1400/0x1400
[  419.629153]  ? __kasan_slab_free+0x102/0x150
[  419.633563]  ? kasan_slab_free+0xe/0x10
[  419.637550]  ? kmem_cache_free+0x83/0x290
[  419.641695]  ? __sigqueue_free.part.29+0x74/0x90
[  419.646469]  ? lock_acquire+0x1ed/0x520
[  419.650844]  ? ext4_filemap_fault+0x7a/0xad
[  419.655172]  ? lock_release+0xa00/0xa00
[  419.659147]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.664595]  ? print_usage_bug+0xc0/0xc0
[  419.668654]  ? print_usage_bug+0xc0/0xc0
[  419.672723]  ? down_read+0x8d/0x120
[  419.676341]  ? ext4_filemap_fault+0x7a/0xad
[  419.680663]  ? __down_interruptible+0x700/0x700
[  419.685337]  ext4_filemap_fault+0x82/0xad
[  419.689486]  __do_fault+0x100/0x6b0
[  419.693117]  ? pmd_devmap_trans_unstable+0x220/0x220
[  419.698219]  ? mark_held_locks+0x130/0x130
[  419.702451]  ? mark_held_locks+0x130/0x130
[  419.706682]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  419.712221]  ? rcu_pm_notify+0xc0/0xc0
[  419.716115]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.721654]  __handle_mm_fault+0x3ea0/0x5be0
[  419.726073]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  419.730916]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.735413]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.739995]  ? trace_hardirqs_on+0xbd/0x310
[  419.744316]  ? kasan_check_read+0x11/0x20
[  419.748460]  ? __set_current_blocked+0xdf/0x120
[  419.753127]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.758237]  ? zap_class+0x640/0x640
[  419.762035]  ? zap_class+0x640/0x640
[  419.765750]  ? find_held_lock+0x36/0x1c0
[  419.769817]  ? handle_mm_fault+0x42a/0xc70
[  419.774054]  ? lock_downgrade+0x900/0x900
[  419.778199]  ? check_preemption_disabled+0x48/0x280
[  419.783213]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.788223]  ? kasan_check_read+0x11/0x20
[  419.792368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.797644]  ? rcu_softirq_qs+0x20/0x20
[  419.801617]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.806718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.812251]  ? check_preemption_disabled+0x48/0x280
[  419.817274]  handle_mm_fault+0x54f/0xc70
[  419.821373]  ? __handle_mm_fault+0x5be0/0x5be0
[  419.825976]  ? find_vma+0x34/0x190
[  419.829525]  __do_page_fault+0x5e8/0xe60
[  419.833590]  ? exit_to_usermode_loop+0x1f4/0x380
[  419.838352]  do_page_fault+0xf2/0x7e0
[  419.842149]  ? vmalloc_sync_all+0x30/0x30
[  419.846296]  ? error_entry+0x70/0xd0
[  419.850013]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.855024]  ? trace_hardirqs_on_caller+0xc0/0x310
[  419.859965]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.864892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.869738]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.874753]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.880209]  ? prepare_exit_to_usermode+0x291/0x3b0
[  419.885219]  ? page_fault+0x8/0x30
[  419.888760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.893603]  ? page_fault+0x8/0x30
[  419.897138]  page_fault+0x1e/0x30
[  419.900585] RIP: 0033:0x45db60
[  419.903790] Code: Bad RIP value.
[  419.907144] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  419.912504] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  419.919770] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  419.927035] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  419.934303] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  419.941571] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  419.948882] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  419.948887] warn_alloc_show_mem: 1 callbacks suppressed
[  419.948901] Mem-Info:
[  419.956263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.961629] active_anon:52805 inactive_anon:249 isolated_anon:0
[  419.961629]  active_file:17 inactive_file:10 isolated_file:0
[  419.961629]  unevictable:0 dirty:0 writeback:0 unstable:0
[  419.961629]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  419.961629]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  419.961629]  free:13758 free_pcp:272 free_cma:0
[  419.964001] Call Trace:
[  419.973377] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  420.006218]  <IRQ>
[  420.008783] 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
[  420.036372]  dump_stack+0x244/0x39d
[  420.038509] lowmem_reserve[]: 0 2818 6321 6321
[  420.064615]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.068216] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  420.072799]  warn_alloc.cold.116+0xb7/0x1bd
[  420.077956] lowmem_reserve[]: 0 0 3503 3503
[  420.105271]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.109654] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  420.113968]  ? lock_downgrade+0x900/0x900
[  420.118816] lowmem_reserve[]: 0 0 0 0
[  420.147701]  ? trace_hardirqs_off+0xb8/0x310
[  420.151815] 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
[  420.155609]  ? trace_hardirqs_off+0xb8/0x310
[  420.159989] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  420.173511]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.177896] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  420.193094]  ? warn_alloc+0x120/0x120
[  420.197900] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  420.213322]  ? print_usage_bug+0xc0/0xc0
[  420.217100] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  420.225921]  ? warn_alloc+0x120/0x120
[  420.229955] 326 total pagecache pages
[  420.238516]  ? warn_alloc+0x120/0x120
[  420.242296] 0 pages in swap cache
[  420.246080]  ? print_usage_bug+0xc0/0xc0
[  420.249854] Swap cache stats: add 0, delete 0, find 0/0
[  420.253297]  ? kvm_clock_read+0x18/0x30
[  420.257327] Free swap  = 0kB
[  420.262680]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  420.266618] Total swap = 0kB
[  420.266626] 1965979 pages RAM
[  420.269630]  ? print_usage_bug+0xc0/0xc0
[  420.274616] 0 pages HighMem/MovableOnly
[  420.277625]  ? __lock_acquire+0x62f/0x4c20
[  420.280700] 342854 pages reserved
[  420.284749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.288694] 0 pages cma reserved
[  420.292911]  ? should_fail+0x22d/0xd01
[  420.292926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.296410] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.301884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.301898]  ? __lock_acquire+0x62f/0x4c20
[  420.301921]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.305314] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.309140]  ? __lock_acquire+0x62f/0x4c20
[  420.314390] syz-fuzzer cpuset=/ mems_allowed=0
[  420.320873]  ? should_fail+0x22d/0xd01
[  420.320887]  ? rcu_irq_exit+0x1a2/0x390
[  420.362097]  ? mark_held_locks+0x130/0x130
[  420.366335]  ? mark_held_locks+0x130/0x130
[  420.370569]  ? mark_held_locks+0xc7/0x130
[  420.374712]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  420.379727]  ? zap_class+0x640/0x640
[  420.383439]  ? print_usage_bug+0xc0/0xc0
[  420.387504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.393047]  ? check_preemption_disabled+0x48/0x280
[  420.398070]  ? __lock_is_held+0xb5/0x140
[  420.402133]  __alloc_pages_nodemask+0xa80/0xde0
[  420.406800]  ? zap_class+0x640/0x640
[  420.410516]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.415541]  ? find_held_lock+0x36/0x1c0
[  420.419605]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.424275]  ? lock_downgrade+0x900/0x900
[  420.428431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.433967]  cache_grow_begin+0xa5/0x8c0
[  420.438039]  ? do_raw_spin_unlock+0xa7/0x330
[  420.442450]  fallback_alloc+0x204/0x2e0
[  420.446424]  ____cache_alloc_node+0x1c7/0x1e0
[  420.450918]  kmem_cache_alloc_node+0xe3/0x730
[  420.455413]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.459658]  __alloc_skb+0x119/0x770
[  420.463365]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.468645]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.473047]  ? lock_downgrade+0x900/0x900
[  420.477198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.482732]  ? refcount_sub_and_test_checked+0x203/0x310
[  420.488185]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  420.493629]  ? addrconf_rs_timer+0x690/0x690
[  420.498048]  ndisc_alloc_skb+0x144/0x340
[  420.502108]  ndisc_send_rs+0x331/0x6e0
[  420.505994]  addrconf_rs_timer+0x314/0x690
[  420.510229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.514471]  call_timer_fn+0x272/0x920
[  420.518353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.522589]  ? process_timeout+0x40/0x40
[  420.526652]  ? __run_timers+0x7da/0xc70
[  420.530622]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.535109]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.539598]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.543830]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.548420]  ? trace_hardirqs_on+0xbd/0x310
[  420.552736]  ? kasan_check_read+0x11/0x20
[  420.556878]  ? __run_timers+0x7da/0xc70
[  420.560856]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.565959]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.570195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.574427]  __run_timers+0x7e5/0xc70
[  420.578233]  ? timer_fixup_init+0x70/0x70
[  420.582383]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.587397]  ? zap_class+0x640/0x640
[  420.591111]  ? enqueue_hrtimer+0x1a5/0x560
[  420.595342]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.600532]  ? find_held_lock+0x36/0x1c0
[  420.604594]  ? zap_class+0x640/0x640
[  420.608307]  ? pvclock_read_flags+0x160/0x160
[  420.612803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.618335]  ? check_preemption_disabled+0x48/0x280
[  420.623354]  ? __lock_is_held+0xb5/0x140
[  420.627418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.632951]  ? check_preemption_disabled+0x48/0x280
[  420.637968]  run_timer_softirq+0x52/0xb0
[  420.642029]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.647043]  __do_softirq+0x308/0xb7e
[  420.650854]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.655343]  ? lock_downgrade+0x900/0x900
[  420.659493]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.664596]  ? pvclock_read_flags+0x160/0x160
[  420.669089]  ? lapic_next_event+0x5a/0x90
[  420.673758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.679300]  ? kvm_clock_read+0x18/0x30
[  420.683287]  ? kvm_sched_clock_read+0x9/0x20
[  420.687693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.693227]  ? check_preemption_disabled+0x48/0x280
[  420.698246]  irq_exit+0x17f/0x1c0
[  420.701697]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.706535]  ? smp_call_function_single_interrupt+0x159/0x650
[  420.712415]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.718297]  ? interrupt_entry+0xb5/0xc0
[  420.722360]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.727377]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.732396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.737238]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.742251]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.747262]  ? task_prio+0x50/0x50
[  420.750803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.756342]  ? check_preemption_disabled+0x48/0x280
[  420.761360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.766208]  apic_timer_interrupt+0xf/0x20
[  420.770439]  </IRQ>
[  420.772674] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  420.778556] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  420.797451] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.805150] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  420.812412] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  420.819677] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  420.826938] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  420.834199] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  420.841490]  ? save_stack+0xa9/0xd0
[  420.845138]  __kmalloc_node_track_caller+0x3c/0x70
[  420.850067]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  420.854833]  pskb_expand_head+0x230/0x10f0
[  420.859069]  ? memcpy+0x45/0x50
[  420.862352]  ? __copy_skb_header+0x350/0x6b0
[  420.866760]  ? skb_release_data+0x880/0x880
[  420.871078]  ? __alloc_skb+0x770/0x770
[  420.874969]  ? __lock_is_held+0xb5/0x140
[  420.879034]  ? kasan_check_write+0x14/0x20
[  420.883525]  ? __skb_clone+0x6c7/0xa00
[  420.887412]  ? __copy_skb_header+0x6b0/0x6b0
[  420.891824]  ? kmem_cache_alloc+0x33a/0x730
[  420.896154]  skb_ensure_writable+0x3dd/0x640
[  420.900563]  ? skb_checksum_setup+0xaa0/0xaa0
[  420.905055]  ? check_preemption_disabled+0x48/0x280
[  420.910070]  ? __this_cpu_preempt_check+0x1c/0x20
[  420.914912]  ? __bpf_redirect+0x54b/0xb20
[  420.919064]  bpf_clone_redirect+0x14a/0x490
[  420.923392]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  420.928405]  ? __sched_text_start+0x8/0x8
[  420.932549]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.937128]  ? retint_kernel+0x2d/0x2d
[  420.941010]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.945940]  ? find_held_lock+0x36/0x1c0
[  420.950004]  ? lock_acquire+0x1ed/0x520
[  420.953973]  ? bpf_test_run+0x3cb/0x780
[  420.957941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.963475]  ? check_preemption_disabled+0x48/0x280
[  420.968489]  ? kasan_check_read+0x11/0x20
[  420.972631]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.977901]  ? rcu_softirq_qs+0x20/0x20
[  420.981956]  ? preempt_schedule+0x4d/0x60
[  420.986101]  ? ___preempt_schedule+0x16/0x18
[  420.990512]  ? bpf_test_run+0x25d/0x780
[  420.994495]  ? netlink_diag_dump+0x2a0/0x2a0
[  420.998907]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  421.003666]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  421.008501]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  421.014036]  ? fput+0x130/0x1a0
[  421.017309]  ? __bpf_prog_get+0x9b/0x290
[  421.021369]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  421.026206]  ? bpf_prog_test_run+0x130/0x1a0
[  421.030611]  ? __x64_sys_bpf+0x3d8/0x520
[  421.034677]  ? bpf_prog_get+0x20/0x20
[  421.038498]  ? do_syscall_64+0x142/0x820
[  421.042558]  ? do_syscall_64+0x1b9/0x820
[  421.046611]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  421.051969]  ? syscall_return_slowpath+0x5e0/0x5e0
[  421.056896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.061734]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.066743]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  421.071756]  ? prepare_exit_to_usermode+0x291/0x3b0
[  421.076777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.081626]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  421.087092] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  421.087179] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  421.094100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.094107] Call Trace:
[  421.100681] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.109938]  <IRQ>
[  421.112503] syz-executor1 cpuset=syz1 mems_allowed=0
[  421.122974]  dump_stack+0x244/0x39d
[  421.133791]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.138993]  warn_alloc.cold.116+0xb7/0x1bd
[  421.143312]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.148153]  ? lock_downgrade+0x900/0x900
[  421.152305]  ? trace_hardirqs_off+0xb8/0x310
[  421.156714]  ? trace_hardirqs_off+0xb8/0x310
[  421.161125]  __alloc_pages_slowpath+0x26e8/0x2e10
[  421.165989]  ? warn_alloc+0x120/0x120
[  421.169784]  ? print_usage_bug+0xc0/0xc0
[  421.173848]  ? warn_alloc+0x120/0x120
[  421.177646]  ? warn_alloc+0x120/0x120
[  421.181442]  ? print_usage_bug+0xc0/0xc0
[  421.185588]  ? print_usage_bug+0xc0/0xc0
[  421.189643]  ? __lock_acquire+0x62f/0x4c20
[  421.193880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.199416]  ? should_fail+0x22d/0xd01
[  421.203303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.208405]  ? __lock_acquire+0x62f/0x4c20
[  421.212639]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.217735]  ? __lock_acquire+0x62f/0x4c20
[  421.222051]  ? should_fail+0x22d/0xd01
[  421.225937]  ? find_held_lock+0x36/0x1c0
[  421.230003]  ? mark_held_locks+0x130/0x130
[  421.234236]  ? mark_held_locks+0x130/0x130
[  421.238464]  ? zap_class+0x640/0x640
[  421.242169]  ? zap_class+0x640/0x640
[  421.245880]  ? print_usage_bug+0xc0/0xc0
[  421.249933]  ? do_raw_spin_unlock+0xa7/0x330
[  421.254334]  ? zap_class+0x640/0x640
[  421.258043]  ? print_usage_bug+0xc0/0xc0
[  421.262101]  ? wq_watchdog_touch+0x9c/0xfe
[  421.266333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.271869]  ? check_preemption_disabled+0x48/0x280
[  421.276896]  ? __lock_is_held+0xb5/0x140
[  421.280958]  __alloc_pages_nodemask+0xa80/0xde0
[  421.285622]  ? zap_class+0x640/0x640
[  421.289338]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.294459]  ? find_held_lock+0x36/0x1c0
[  421.298523]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.303189]  ? lock_downgrade+0x900/0x900
[  421.307338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.312894]  cache_grow_begin+0xa5/0x8c0
[  421.316970]  ? do_raw_spin_unlock+0xa7/0x330
[  421.321384]  fallback_alloc+0x204/0x2e0
[  421.325358]  ____cache_alloc_node+0x1c7/0x1e0
[  421.329856]  kmem_cache_alloc_node+0xe3/0x730
[  421.334345]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.338582]  __alloc_skb+0x119/0x770
[  421.342292]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.347567]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.351978]  ? lock_downgrade+0x900/0x900
[  421.356130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.361660]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.367112]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.372566]  ? addrconf_rs_timer+0x690/0x690
[  421.376988]  ndisc_alloc_skb+0x144/0x340
[  421.381046]  ndisc_send_rs+0x331/0x6e0
[  421.384937]  addrconf_rs_timer+0x314/0x690
[  421.389169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.393410]  call_timer_fn+0x272/0x920
[  421.397291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.401518]  ? process_timeout+0x40/0x40
[  421.405586]  ? mark_held_locks+0xc7/0x130
[  421.409823]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.414310]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.418816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.423045]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.427626]  ? trace_hardirqs_on+0xbd/0x310
[  421.431941]  ? kasan_check_read+0x11/0x20
[  421.436084]  ? __run_timers+0x7da/0xc70
[  421.440059]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.445161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.449398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.453623]  __run_timers+0x7e5/0xc70
[  421.457429]  ? timer_fixup_init+0x70/0x70
[  421.461572]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.466587]  ? zap_class+0x640/0x640
[  421.470303]  ? print_usage_bug+0xc0/0xc0
[  421.474363]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.479554]  ? find_held_lock+0x36/0x1c0
[  421.483615]  ? zap_class+0x640/0x640
[  421.487328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.492862]  ? check_preemption_disabled+0x48/0x280
[  421.497882]  ? __lock_is_held+0xb5/0x140
[  421.501952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.507982]  ? check_preemption_disabled+0x48/0x280
[  421.513003]  run_timer_softirq+0x52/0xb0
[  421.517060]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.522094]  __do_softirq+0x308/0xb7e
[  421.525896]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.530383]  ? lock_downgrade+0x900/0x900
[  421.534528]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.539631]  ? pvclock_read_flags+0x160/0x160
[  421.544121]  ? lapic_next_event+0x5a/0x90
[  421.548267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.553811]  ? kvm_clock_read+0x18/0x30
[  421.557784]  ? kvm_sched_clock_read+0x9/0x20
[  421.562190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.567720]  ? check_preemption_disabled+0x48/0x280
[  421.572753]  irq_exit+0x17f/0x1c0
[  421.576213]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.581056]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.586934]  ? interrupt_entry+0xb5/0xc0
[  421.590998]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.596008]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.601018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.605858]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.610868]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.615878]  ? task_prio+0x50/0x50
[  421.619414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.624947]  ? check_preemption_disabled+0x48/0x280
[  421.629966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.634820]  apic_timer_interrupt+0xf/0x20
[  421.639046]  </IRQ>
[  421.641299] RIP: 0010:dump_stack+0x358/0x39d
[  421.645704] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  421.664600] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  421.672303] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  421.679563] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  421.686823] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  421.694083] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  421.701345] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  421.708621]  ? dump_stack+0x34f/0x39d
[  421.712427]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.717611]  ? mark_held_locks+0x130/0x130
[  421.721843]  ? mark_held_locks+0x130/0x130
[  421.726074]  dump_header+0x27b/0xf72
[  421.729799]  ? pagefault_out_of_memory+0x197/0x197
[  421.734729]  ? __lock_acquire+0x62f/0x4c20
[  421.738964]  ? percpu_ref_get_many+0x240/0x240
[  421.743547]  ? print_usage_bug+0xc0/0xc0
[  421.747610]  ? zap_class+0x640/0x640
[  421.751323]  ? print_usage_bug+0xc0/0xc0
[  421.755375]  ? print_usage_bug+0xc0/0xc0
[  421.759432]  ? zap_class+0x640/0x640
[  421.763144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.768677]  ? find_held_lock+0x36/0x1c0
[  421.772740]  ? mark_held_locks+0xc7/0x130
[  421.776890]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.781989]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.787259]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.791835]  ? trace_hardirqs_on+0xbd/0x310
[  421.796148]  ? kasan_check_read+0x11/0x20
[  421.800292]  ? ___ratelimit+0x3b4/0x672
[  421.804261]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.809362]  ? trace_hardirqs_on+0x310/0x310
[  421.813770]  ? lock_downgrade+0x900/0x900
[  421.817931]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.823027]  ? ___ratelimit+0x3b9/0x672
[  421.826998]  ? idr_get_free+0xf70/0xf70
[  421.830966]  ? find_held_lock+0x36/0x1c0
[  421.835035]  oom_kill_process.cold.27+0x10/0x903
[  421.839793]  ? zap_class+0x640/0x640
[  421.843501]  ? check_preemption_disabled+0x48/0x280
[  421.848515]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.853435]  ? kasan_check_read+0x11/0x20
[  421.857575]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.862847]  ? oom_evaluate_task+0x540/0x540
[  421.867251]  ? find_held_lock+0x36/0x1c0
[  421.871313]  ? out_of_memory+0x974/0x1430
[  421.875458]  ? lock_downgrade+0x900/0x900
[  421.879599]  ? check_preemption_disabled+0x48/0x280
[  421.884615]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.889537]  ? kasan_check_read+0x11/0x20
[  421.893682]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.898956]  ? rcu_softirq_qs+0x20/0x20
[  421.902930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.908458]  ? oom_evaluate_task+0x302/0x540
[  421.912867]  out_of_memory+0xa84/0x1430
[  421.916842]  ? oom_killer_disable+0x3a0/0x3a0
[  421.921332]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  421.926258]  ? __ww_mutex_check_waiters+0x160/0x160
[  421.931278]  __alloc_pages_slowpath+0x2354/0x2e10
[  421.936145]  ? warn_alloc+0x120/0x120
[  421.939940]  ? mark_held_locks+0x130/0x130
[  421.944174]  ? find_get_entry+0xaae/0x1120
[  421.948410]  ? filemap_map_pages+0x1a20/0x1a20
[  421.952998]  ? zap_class+0x640/0x640
[  421.956736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.962268]  ? check_preemption_disabled+0x48/0x280
[  421.967283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.972815]  ? should_fail+0x22d/0xd01
[  421.976794]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.981890]  ? zap_class+0x640/0x640
[  421.985621]  ? __lock_is_held+0xb5/0x140
[  421.989686]  ? mark_held_locks+0x130/0x130
[  421.993920]  ? lock_release+0xa00/0xa00
[  421.997888]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.003345]  ? xa_load+0x2ba/0x460
[  422.006883]  ? lock_downgrade+0x900/0x900
[  422.011033]  ? __might_sleep+0x95/0x190
[  422.015010]  __alloc_pages_nodemask+0xa80/0xde0
[  422.019683]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.024694]  ? __page_cache_alloc+0x191/0x5c0
[  422.029190]  ? xa_load+0x2e1/0x460
[  422.032732]  ? xa_clear_mark+0x40/0x40
[  422.036622]  ? zap_class+0x640/0x640
[  422.040336]  ? zap_class+0x640/0x640
[  422.044047]  ? zap_class+0x640/0x640
[  422.047765]  ? __do_page_cache_readahead+0x663/0x810
[  422.052868]  ? find_held_lock+0x36/0x1c0
[  422.056927]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  422.062479]  alloc_pages_current+0x173/0x350
[  422.066905]  __page_cache_alloc+0x38c/0x5c0
[  422.071226]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.076152]  ? kasan_check_read+0x11/0x20
[  422.080295]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.085569]  ? generic_perform_write+0x6a0/0x6a0
[  422.090318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.095852]  ? check_preemption_disabled+0x48/0x280
[  422.100873]  filemap_fault+0x1595/0x25f0
[  422.104944]  ? __lock_page_or_retry+0xa00/0xa00
[  422.109608]  ? mark_held_locks+0x130/0x130
[  422.113849]  ? filemap_map_pages+0xd6b/0x1a20
[  422.118340]  ? lock_downgrade+0x900/0x900
[  422.122480]  ? check_preemption_disabled+0x48/0x280
[  422.127493]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.132423]  ? kasan_check_read+0x11/0x20
[  422.136566]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.141840]  ? rcu_softirq_qs+0x20/0x20
[  422.145822]  ? filemap_map_pages+0xd92/0x1a20
[  422.150317]  ? print_usage_bug+0xc0/0xc0
[  422.154382]  ? find_get_entries_tag+0x1400/0x1400
[  422.159218]  ? __kasan_slab_free+0x102/0x150
[  422.163620]  ? kasan_slab_free+0xe/0x10
[  422.167585]  ? kmem_cache_free+0x83/0x290
[  422.171732]  ? __sigqueue_free.part.29+0x74/0x90
[  422.176501]  ? lock_acquire+0x1ed/0x520
[  422.180467]  ? ext4_filemap_fault+0x7a/0xad
[  422.184790]  ? lock_release+0xa00/0xa00
[  422.188761]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.194209]  ? print_usage_bug+0xc0/0xc0
[  422.198269]  ? print_usage_bug+0xc0/0xc0
[  422.202338]  ? down_read+0x8d/0x120
[  422.205957]  ? ext4_filemap_fault+0x7a/0xad
[  422.210276]  ? __down_interruptible+0x700/0x700
[  422.214948]  ext4_filemap_fault+0x82/0xad
[  422.219094]  __do_fault+0x100/0x6b0
[  422.222725]  ? pmd_devmap_trans_unstable+0x220/0x220
[  422.227833]  ? mark_held_locks+0x130/0x130
[  422.232067]  ? mark_held_locks+0x130/0x130
[  422.236300]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  422.241835]  ? rcu_pm_notify+0xc0/0xc0
[  422.245732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.251271]  __handle_mm_fault+0x3ea0/0x5be0
[  422.255683]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  422.260522]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.265009]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.269590]  ? trace_hardirqs_on+0xbd/0x310
[  422.273907]  ? kasan_check_read+0x11/0x20
[  422.278047]  ? __set_current_blocked+0xdf/0x120
[  422.282717]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.287832]  ? zap_class+0x640/0x640
[  422.291541]  ? zap_class+0x640/0x640
[  422.295257]  ? find_held_lock+0x36/0x1c0
[  422.299320]  ? handle_mm_fault+0x42a/0xc70
[  422.303576]  ? lock_downgrade+0x900/0x900
[  422.307724]  ? check_preemption_disabled+0x48/0x280
[  422.312747]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.317667]  ? kasan_check_read+0x11/0x20
[  422.321812]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.327082]  ? rcu_softirq_qs+0x20/0x20
[  422.331050]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.336146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.341696]  ? check_preemption_disabled+0x48/0x280
[  422.346728]  handle_mm_fault+0x54f/0xc70
[  422.350791]  ? __handle_mm_fault+0x5be0/0x5be0
[  422.355463]  ? find_vma+0x34/0x190
[  422.359002]  __do_page_fault+0x5e8/0xe60
[  422.363061]  ? exit_to_usermode_loop+0x1f4/0x380
[  422.367821]  do_page_fault+0xf2/0x7e0
[  422.371617]  ? vmalloc_sync_all+0x30/0x30
[  422.375761]  ? error_entry+0x70/0xd0
[  422.379472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.384481]  ? trace_hardirqs_on_caller+0xc0/0x310
[  422.389413]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.394334]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.399172]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.404181]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.409629]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.414653]  ? page_fault+0x8/0x30
[  422.418196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.423037]  ? page_fault+0x8/0x30
[  422.426580]  page_fault+0x1e/0x30
[  422.430024] RIP: 0033:0x45db60
[  422.433223] Code: Bad RIP value.
[  422.436580] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  422.441935] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  422.449196] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  422.456456] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  422.463718] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  422.470989] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  422.478273] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  422.478277] warn_alloc_show_mem: 1 callbacks suppressed
[  422.478283] Mem-Info:
[  422.485637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.491013] active_anon:52805 inactive_anon:249 isolated_anon:0
[  422.491013]  active_file:17 inactive_file:10 isolated_file:0
[  422.491013]  unevictable:0 dirty:0 writeback:0 unstable:0
[  422.491013]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  422.491013]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  422.491013]  free:13758 free_pcp:272 free_cma:0
[  422.493384] Call Trace:
[  422.502756] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  422.535593]  <IRQ>
[  422.538156] 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
[  422.565737]  dump_stack+0x244/0x39d
[  422.567856] lowmem_reserve[]: 0 2818 6321 6321
[  422.593960]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.597556] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  422.602139]  warn_alloc.cold.116+0xb7/0x1bd
[  422.607293] lowmem_reserve[]: 0 0 3503 3503
[  422.634609]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.638901] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  422.643218]  ? lock_downgrade+0x900/0x900
[  422.648024] lowmem_reserve[]: 0 0 0 0
[  422.677389]  ? trace_hardirqs_off+0xb8/0x310
[  422.681502] 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
[  422.685293]  ? trace_hardirqs_off+0xb8/0x310
[  422.689668] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  422.703194]  __alloc_pages_slowpath+0x26e8/0x2e10
[  422.707570] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  422.722756]  ? warn_alloc+0x120/0x120
[  422.727555] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  422.742968]  ? print_usage_bug+0xc0/0xc0
[  422.746743] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  422.755560]  ? warn_alloc+0x120/0x120
[  422.759592] 326 total pagecache pages
[  422.768154]  ? warn_alloc+0x120/0x120
[  422.771935] 0 pages in swap cache
[  422.775710]  ? print_usage_bug+0xc0/0xc0
[  422.775726]  ? kvm_clock_read+0x18/0x30
[  422.779497] Swap cache stats: add 0, delete 0, find 0/0
[  422.779505] Free swap  = 0kB
[  422.782946]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  422.787061] Total swap = 0kB
[  422.791018]  ? print_usage_bug+0xc0/0xc0
[  422.796354] 1965979 pages RAM
[  422.799358]  ? __lock_acquire+0x62f/0x4c20
[  422.804345] 0 pages HighMem/MovableOnly
[  422.807351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.811382] 342854 pages reserved
[  422.814477]  ? should_fail+0x22d/0xd01
[  422.818689] 0 pages cma reserved
[  422.822652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.828219] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  422.831611]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.835518] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.838821]  ? __lock_acquire+0x62f/0x4c20
[  422.844069] syz-fuzzer cpuset=/ mems_allowed=0
[  422.850550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.879690]  ? __lock_acquire+0x62f/0x4c20
[  422.883925]  ? should_fail+0x22d/0xd01
[  422.887815]  ? rcu_irq_exit+0x1a2/0x390
[  422.891791]  ? mark_held_locks+0x130/0x130
[  422.896025]  ? mark_held_locks+0x130/0x130
[  422.900260]  ? mark_held_locks+0xc7/0x130
[  422.904404]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  422.909414]  ? zap_class+0x640/0x640
[  422.913121]  ? print_usage_bug+0xc0/0xc0
[  422.917183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.922724]  ? check_preemption_disabled+0x48/0x280
[  422.927742]  ? __lock_is_held+0xb5/0x140
[  422.931801]  __alloc_pages_nodemask+0xa80/0xde0
[  422.936463]  ? zap_class+0x640/0x640
[  422.940176]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.945202]  ? find_held_lock+0x36/0x1c0
[  422.949268]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.953936]  ? lock_downgrade+0x900/0x900
[  422.958090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.963626]  cache_grow_begin+0xa5/0x8c0
[  422.967690]  ? do_raw_spin_unlock+0xa7/0x330
[  422.972100]  fallback_alloc+0x204/0x2e0
[  422.976080]  ____cache_alloc_node+0x1c7/0x1e0
[  422.980578]  kmem_cache_alloc_node+0xe3/0x730
[  422.985071]  ? ipv6_get_ifaddr+0x42e/0x620
[  422.989319]  __alloc_skb+0x119/0x770
[  422.993029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.998303]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.002705]  ? lock_downgrade+0x900/0x900
[  423.006858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.012410]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.017867]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.023314]  ? addrconf_rs_timer+0x690/0x690
[  423.027742]  ndisc_alloc_skb+0x144/0x340
[  423.031804]  ndisc_send_rs+0x331/0x6e0
[  423.035693]  addrconf_rs_timer+0x314/0x690
[  423.039927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.044180]  call_timer_fn+0x272/0x920
[  423.048061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.052293]  ? process_timeout+0x40/0x40
[  423.056355]  ? __run_timers+0x7da/0xc70
[  423.060413]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.064902]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.069387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.073615]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.078202]  ? trace_hardirqs_on+0xbd/0x310
[  423.082520]  ? kasan_check_read+0x11/0x20
[  423.086669]  ? __run_timers+0x7da/0xc70
[  423.090647]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.095749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.099987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.104214]  __run_timers+0x7e5/0xc70
[  423.108020]  ? timer_fixup_init+0x70/0x70
[  423.112170]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.117189]  ? zap_class+0x640/0x640
[  423.120902]  ? enqueue_hrtimer+0x1a5/0x560
[  423.125136]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.130328]  ? find_held_lock+0x36/0x1c0
[  423.134388]  ? zap_class+0x640/0x640
[  423.138102]  ? pvclock_read_flags+0x160/0x160
[  423.142593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.148127]  ? check_preemption_disabled+0x48/0x280
[  423.153151]  ? __lock_is_held+0xb5/0x140
[  423.157213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.162747]  ? check_preemption_disabled+0x48/0x280
[  423.167762]  run_timer_softirq+0x52/0xb0
[  423.171823]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.176833]  __do_softirq+0x308/0xb7e
[  423.180639]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  423.185142]  ? lock_downgrade+0x900/0x900
[  423.189292]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.194397]  ? pvclock_read_flags+0x160/0x160
[  423.198892]  ? lapic_next_event+0x5a/0x90
[  423.203036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.208576]  ? kvm_clock_read+0x18/0x30
[  423.212565]  ? kvm_sched_clock_read+0x9/0x20
[  423.216972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.222504]  ? check_preemption_disabled+0x48/0x280
[  423.227525]  irq_exit+0x17f/0x1c0
[  423.230976]  smp_apic_timer_interrupt+0x1cb/0x760
[  423.235813]  ? smp_call_function_single_interrupt+0x159/0x650
[  423.241692]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.247568]  ? interrupt_entry+0xb5/0xc0
[  423.251635]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.256653]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.261668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.266507]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.271516]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.276527]  ? task_prio+0x50/0x50
[  423.280062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.285598]  ? check_preemption_disabled+0x48/0x280
[  423.290629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.295475]  apic_timer_interrupt+0xf/0x20
[  423.299702]  </IRQ>
[  423.301938] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  423.307816] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  423.326710] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  423.334410] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  423.341675] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  423.348936] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  423.356197] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  423.363462] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  423.370754]  ? save_stack+0xa9/0xd0
[  423.374384]  __kmalloc_node_track_caller+0x3c/0x70
[  423.379311]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  423.384067]  pskb_expand_head+0x230/0x10f0
[  423.388302]  ? memcpy+0x45/0x50
[  423.391577]  ? __copy_skb_header+0x350/0x6b0
[  423.395982]  ? skb_release_data+0x880/0x880
[  423.400297]  ? __alloc_skb+0x770/0x770
[  423.404189]  ? __lock_is_held+0xb5/0x140
[  423.408251]  ? kasan_check_write+0x14/0x20
[  423.412481]  ? __skb_clone+0x6c7/0xa00
[  423.416362]  ? __copy_skb_header+0x6b0/0x6b0
[  423.420765]  ? kmem_cache_alloc+0x33a/0x730
[  423.425091]  skb_ensure_writable+0x3dd/0x640
[  423.429497]  ? skb_checksum_setup+0xaa0/0xaa0
[  423.433986]  ? check_preemption_disabled+0x48/0x280
[  423.439003]  ? __this_cpu_preempt_check+0x1c/0x20
[  423.443837]  ? __bpf_redirect+0x54b/0xb20
[  423.447986]  bpf_clone_redirect+0x14a/0x490
[  423.452310]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  423.457323]  ? __sched_text_start+0x8/0x8
[  423.461467]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.466039]  ? retint_kernel+0x2d/0x2d
[  423.469924]  ? trace_hardirqs_on_caller+0xc0/0x310
[  423.474854]  ? find_held_lock+0x36/0x1c0
[  423.478919]  ? lock_acquire+0x1ed/0x520
[  423.482892]  ? bpf_test_run+0x3cb/0x780
[  423.486861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.492392]  ? check_preemption_disabled+0x48/0x280
[  423.497409]  ? kasan_check_read+0x11/0x20
[  423.501551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.507268]  ? rcu_softirq_qs+0x20/0x20
[  423.511244]  ? preempt_schedule+0x4d/0x60
[  423.515391]  ? ___preempt_schedule+0x16/0x18
[  423.519805]  ? bpf_test_run+0x25d/0x780
[  423.523784]  ? netlink_diag_dump+0x2a0/0x2a0
[  423.528201]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  423.532961]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  423.537796]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  423.543328]  ? fput+0x130/0x1a0
[  423.546611]  ? __bpf_prog_get+0x9b/0x290
[  423.550673]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  423.555509]  ? bpf_prog_test_run+0x130/0x1a0
[  423.559915]  ? __x64_sys_bpf+0x3d8/0x520
[  423.563969]  ? bpf_prog_get+0x20/0x20
[  423.567774]  ? do_syscall_64+0x142/0x820
[  423.571838]  ? do_syscall_64+0x1b9/0x820
[  423.575894]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  423.581257]  ? syscall_return_slowpath+0x5e0/0x5e0
[  423.586180]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.591020]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.596031]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  423.601047]  ? prepare_exit_to_usermode+0x291/0x3b0
[  423.606064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.610907]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  423.616282] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  423.616348] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  423.623293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.623298] Call Trace:
[  423.623304]  <IRQ>
[  423.623321]  dump_stack+0x244/0x39d
[  423.623340]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.629877] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.639160]  warn_alloc.cold.116+0xb7/0x1bd
[  423.641712] syz-executor1 cpuset=syz1 mems_allowed=0
[  423.643849]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.677715]  ? lock_downgrade+0x900/0x900
[  423.681865]  ? trace_hardirqs_off+0xb8/0x310
[  423.686273]  ? trace_hardirqs_off+0xb8/0x310
[  423.690682]  __alloc_pages_slowpath+0x26e8/0x2e10
[  423.695557]  ? warn_alloc+0x120/0x120
[  423.699358]  ? print_usage_bug+0xc0/0xc0
[  423.703416]  ? warn_alloc+0x120/0x120
[  423.707215]  ? warn_alloc+0x120/0x120
[  423.711016]  ? print_usage_bug+0xc0/0xc0
[  423.715078]  ? print_usage_bug+0xc0/0xc0
[  423.719137]  ? __lock_acquire+0x62f/0x4c20
[  423.723371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.728903]  ? should_fail+0x22d/0xd01
[  423.732793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.737893]  ? __lock_acquire+0x62f/0x4c20
[  423.742125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.747229]  ? __lock_acquire+0x62f/0x4c20
[  423.751456]  ? should_fail+0x22d/0xd01
[  423.755336]  ? find_held_lock+0x36/0x1c0
[  423.759402]  ? mark_held_locks+0x130/0x130
[  423.763642]  ? mark_held_locks+0x130/0x130
[  423.767868]  ? zap_class+0x640/0x640
[  423.771575]  ? zap_class+0x640/0x640
[  423.775291]  ? print_usage_bug+0xc0/0xc0
[  423.779347]  ? do_raw_spin_unlock+0xa7/0x330
[  423.783849]  ? zap_class+0x640/0x640
[  423.787561]  ? print_usage_bug+0xc0/0xc0
[  423.791628]  ? wq_watchdog_touch+0x9c/0xfe
[  423.795864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.801413]  ? check_preemption_disabled+0x48/0x280
[  423.806433]  ? __lock_is_held+0xb5/0x140
[  423.810495]  __alloc_pages_nodemask+0xa80/0xde0
[  423.815160]  ? zap_class+0x640/0x640
[  423.818877]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  423.823898]  ? find_held_lock+0x36/0x1c0
[  423.827971]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.832642]  ? lock_downgrade+0x900/0x900
[  423.836793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.842328]  cache_grow_begin+0xa5/0x8c0
[  423.846384]  ? do_raw_spin_unlock+0xa7/0x330
[  423.850799]  fallback_alloc+0x204/0x2e0
[  423.854773]  ____cache_alloc_node+0x1c7/0x1e0
[  423.859271]  kmem_cache_alloc_node+0xe3/0x730
[  423.863759]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.867996]  __alloc_skb+0x119/0x770
[  423.871701]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.876978]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.881385]  ? lock_downgrade+0x900/0x900
[  423.885535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.891070]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.896625]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.902070]  ? addrconf_rs_timer+0x690/0x690
[  423.906486]  ndisc_alloc_skb+0x144/0x340
[  423.910548]  ndisc_send_rs+0x331/0x6e0
[  423.914442]  addrconf_rs_timer+0x314/0x690
[  423.918677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.922920]  call_timer_fn+0x272/0x920
[  423.926799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.931034]  ? process_timeout+0x40/0x40
[  423.935102]  ? mark_held_locks+0xc7/0x130
[  423.939246]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.943736]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.948225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.952545]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.957130]  ? trace_hardirqs_on+0xbd/0x310
[  423.961446]  ? kasan_check_read+0x11/0x20
[  423.965595]  ? __run_timers+0x7da/0xc70
[  423.969578]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.974681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.978918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.983146]  __run_timers+0x7e5/0xc70
[  423.986955]  ? timer_fixup_init+0x70/0x70
[  423.991098]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.996117]  ? zap_class+0x640/0x640
[  423.999828]  ? print_usage_bug+0xc0/0xc0
[  424.003886]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  424.009078]  ? find_held_lock+0x36/0x1c0
[  424.013137]  ? zap_class+0x640/0x640
[  424.016854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.022386]  ? check_preemption_disabled+0x48/0x280
[  424.027405]  ? __lock_is_held+0xb5/0x140
[  424.031461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.037000]  ? check_preemption_disabled+0x48/0x280
[  424.042017]  run_timer_softirq+0x52/0xb0
[  424.046072]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.051084]  __do_softirq+0x308/0xb7e
[  424.054885]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.059373]  ? lock_downgrade+0x900/0x900
[  424.063521]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.068633]  ? pvclock_read_flags+0x160/0x160
[  424.073127]  ? lapic_next_event+0x5a/0x90
[  424.077276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.082813]  ? kvm_clock_read+0x18/0x30
[  424.086875]  ? kvm_sched_clock_read+0x9/0x20
[  424.091281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.096813]  ? check_preemption_disabled+0x48/0x280
[  424.101832]  irq_exit+0x17f/0x1c0
[  424.105368]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.110207]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.116089]  ? interrupt_entry+0xb5/0xc0
[  424.120149]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.125156]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.130167]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.135005]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.140016]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.145025]  ? task_prio+0x50/0x50
[  424.148565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.154104]  ? check_preemption_disabled+0x48/0x280
[  424.159118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.163963]  apic_timer_interrupt+0xf/0x20
[  424.168187]  </IRQ>
[  424.170425] RIP: 0010:dump_stack+0x358/0x39d
[  424.174830] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  424.193722] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  424.201422] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  424.208682] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  424.215945] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  424.223205] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  424.230473] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  424.237749]  ? dump_stack+0x34f/0x39d
[  424.241564]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.246759]  ? mark_held_locks+0x130/0x130
[  424.250992]  ? mark_held_locks+0x130/0x130
[  424.255229]  dump_header+0x27b/0xf72
[  424.258961]  ? pagefault_out_of_memory+0x197/0x197
[  424.263895]  ? __lock_acquire+0x62f/0x4c20
[  424.268125]  ? percpu_ref_get_many+0x240/0x240
[  424.272707]  ? print_usage_bug+0xc0/0xc0
[  424.276770]  ? zap_class+0x640/0x640
[  424.280478]  ? print_usage_bug+0xc0/0xc0
[  424.284531]  ? print_usage_bug+0xc0/0xc0
[  424.288597]  ? zap_class+0x640/0x640
[  424.292309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.297932]  ? find_held_lock+0x36/0x1c0
[  424.302000]  ? mark_held_locks+0xc7/0x130
[  424.306144]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.311244]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.316346]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.320927]  ? trace_hardirqs_on+0xbd/0x310
[  424.325329]  ? kasan_check_read+0x11/0x20
[  424.329474]  ? ___ratelimit+0x3b4/0x672
[  424.333444]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.338553]  ? trace_hardirqs_on+0x310/0x310
[  424.342960]  ? lock_downgrade+0x900/0x900
[  424.347106]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.352203]  ? ___ratelimit+0x3b9/0x672
[  424.356174]  ? idr_get_free+0xf70/0xf70
[  424.360141]  ? find_held_lock+0x36/0x1c0
[  424.364210]  oom_kill_process.cold.27+0x10/0x903
[  424.368959]  ? zap_class+0x640/0x640
[  424.372665]  ? check_preemption_disabled+0x48/0x280
[  424.377678]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.382609]  ? kasan_check_read+0x11/0x20
[  424.386753]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.392025]  ? oom_evaluate_task+0x540/0x540
[  424.396432]  ? find_held_lock+0x36/0x1c0
[  424.400497]  ? out_of_memory+0x974/0x1430
[  424.404641]  ? lock_downgrade+0x900/0x900
[  424.408787]  ? check_preemption_disabled+0x48/0x280
[  424.413798]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.418722]  ? kasan_check_read+0x11/0x20
[  424.422864]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.428134]  ? rcu_softirq_qs+0x20/0x20
[  424.432106]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.437650]  ? oom_evaluate_task+0x302/0x540
[  424.442054]  out_of_memory+0xa84/0x1430
[  424.446031]  ? oom_killer_disable+0x3a0/0x3a0
[  424.450521]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  424.455455]  ? __ww_mutex_check_waiters+0x160/0x160
[  424.460477]  __alloc_pages_slowpath+0x2354/0x2e10
[  424.465341]  ? warn_alloc+0x120/0x120
[  424.469139]  ? mark_held_locks+0x130/0x130
[  424.473374]  ? find_get_entry+0xaae/0x1120
[  424.477615]  ? filemap_map_pages+0x1a20/0x1a20
[  424.482199]  ? zap_class+0x640/0x640
[  424.485913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.491453]  ? check_preemption_disabled+0x48/0x280
[  424.496467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.501999]  ? should_fail+0x22d/0xd01
[  424.505898]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.510997]  ? zap_class+0x640/0x640
[  424.514729]  ? __lock_is_held+0xb5/0x140
[  424.518791]  ? mark_held_locks+0x130/0x130
[  424.523023]  ? lock_release+0xa00/0xa00
[  424.526991]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.532439]  ? xa_load+0x2ba/0x460
[  424.535979]  ? lock_downgrade+0x900/0x900
[  424.540126]  ? __might_sleep+0x95/0x190
[  424.544099]  __alloc_pages_nodemask+0xa80/0xde0
[  424.548771]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.553794]  ? __page_cache_alloc+0x191/0x5c0
[  424.564111]  ? xa_load+0x2e1/0x460
[  424.567648]  ? xa_clear_mark+0x40/0x40
[  424.571539]  ? zap_class+0x640/0x640
[  424.575258]  ? zap_class+0x640/0x640
[  424.578965]  ? zap_class+0x640/0x640
[  424.582678]  ? __do_page_cache_readahead+0x663/0x810
[  424.587782]  ? find_held_lock+0x36/0x1c0
[  424.591845]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  424.597395]  alloc_pages_current+0x173/0x350
[  424.601804]  __page_cache_alloc+0x38c/0x5c0
[  424.606119]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.611044]  ? kasan_check_read+0x11/0x20
[  424.615185]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.620456]  ? generic_perform_write+0x6a0/0x6a0
[  424.625211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.630746]  ? check_preemption_disabled+0x48/0x280
[  424.635763]  filemap_fault+0x1595/0x25f0
[  424.639836]  ? __lock_page_or_retry+0xa00/0xa00
[  424.644501]  ? mark_held_locks+0x130/0x130
[  424.648744]  ? filemap_map_pages+0xd6b/0x1a20
[  424.653237]  ? lock_downgrade+0x900/0x900
[  424.657378]  ? check_preemption_disabled+0x48/0x280
[  424.662395]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.667316]  ? kasan_check_read+0x11/0x20
[  424.671965]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.677239]  ? rcu_softirq_qs+0x20/0x20
[  424.681221]  ? filemap_map_pages+0xd92/0x1a20
[  424.685714]  ? print_usage_bug+0xc0/0xc0
[  424.689778]  ? find_get_entries_tag+0x1400/0x1400
[  424.694617]  ? __kasan_slab_free+0x102/0x150
[  424.699023]  ? kasan_slab_free+0xe/0x10
[  424.702989]  ? kmem_cache_free+0x83/0x290
[  424.707130]  ? __sigqueue_free.part.29+0x74/0x90
[  424.711897]  ? lock_acquire+0x1ed/0x520
[  424.715864]  ? ext4_filemap_fault+0x7a/0xad
[  424.720186]  ? lock_release+0xa00/0xa00
[  424.724158]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.729607]  ? print_usage_bug+0xc0/0xc0
[  424.733665]  ? print_usage_bug+0xc0/0xc0
[  424.737817]  ? down_read+0x8d/0x120
[  424.741435]  ? ext4_filemap_fault+0x7a/0xad
[  424.745753]  ? __down_interruptible+0x700/0x700
[  424.750429]  ext4_filemap_fault+0x82/0xad
[  424.754578]  __do_fault+0x100/0x6b0
[  424.758205]  ? pmd_devmap_trans_unstable+0x220/0x220
[  424.763306]  ? mark_held_locks+0x130/0x130
[  424.767544]  ? mark_held_locks+0x130/0x130
[  424.771772]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  424.777310]  ? rcu_pm_notify+0xc0/0xc0
[  424.781199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.786739]  __handle_mm_fault+0x3ea0/0x5be0
[  424.791240]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  424.796073]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.800569]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.805150]  ? trace_hardirqs_on+0xbd/0x310
[  424.809467]  ? kasan_check_read+0x11/0x20
[  424.813610]  ? __set_current_blocked+0xdf/0x120
[  424.818277]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.823384]  ? zap_class+0x640/0x640
[  424.827090]  ? zap_class+0x640/0x640
[  424.830809]  ? find_held_lock+0x36/0x1c0
[  424.834877]  ? handle_mm_fault+0x42a/0xc70
[  424.839107]  ? lock_downgrade+0x900/0x900
[  424.843263]  ? check_preemption_disabled+0x48/0x280
[  424.848278]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.853201]  ? kasan_check_read+0x11/0x20
[  424.857350]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.862632]  ? rcu_softirq_qs+0x20/0x20
[  424.866604]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.871703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.877238]  ? check_preemption_disabled+0x48/0x280
[  424.882255]  handle_mm_fault+0x54f/0xc70
[  424.886313]  ? __handle_mm_fault+0x5be0/0x5be0
[  424.890894]  ? find_vma+0x34/0x190
[  424.894434]  __do_page_fault+0x5e8/0xe60
[  424.898489]  ? exit_to_usermode_loop+0x1f4/0x380
[  424.903258]  do_page_fault+0xf2/0x7e0
[  424.907057]  ? vmalloc_sync_all+0x30/0x30
[  424.911202]  ? error_entry+0x70/0xd0
[  424.914911]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.919922]  ? trace_hardirqs_on_caller+0xc0/0x310
[  424.924844]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.929769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.934606]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.939615]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  424.945066]  ? prepare_exit_to_usermode+0x291/0x3b0
[  424.950078]  ? page_fault+0x8/0x30
[  424.953614]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.958453]  ? page_fault+0x8/0x30
[  424.961987]  page_fault+0x1e/0x30
[  424.965433] RIP: 0033:0x45db60
[  424.968636] Code: Bad RIP value.
[  424.971998] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  424.977352] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  424.984614] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  424.991875] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  424.999139] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  425.006403] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  425.013687] warn_alloc_show_mem: 1 callbacks suppressed
[  425.013697] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  425.013698] Mem-Info:
[  425.013728] active_anon:52805 inactive_anon:249 isolated_anon:0
[  425.013728]  active_file:17 inactive_file:10 isolated_file:0
[  425.013728]  unevictable:0 dirty:0 writeback:0 unstable:0
[  425.013728]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  425.013728]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  425.013728]  free:13758 free_pcp:272 free_cma:0
[  425.019063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.026418] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  425.028805] Call Trace:
[  425.061749] 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
[  425.071102]  <IRQ>
[  425.098662] lowmem_reserve[]: 0 2818 6321 6321
[  425.101248]  dump_stack+0x244/0x39d
[  425.127520] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  425.129665]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.134209] lowmem_reserve[]: 0 0 3503 3503
[  425.137876]  warn_alloc.cold.116+0xb7/0x1bd
[  425.165162] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  425.170345]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.174634] lowmem_reserve[]: 0 0 0 0
[  425.178956]  ? lock_downgrade+0x900/0x900
[  425.207811] 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
[  425.212656]  ? trace_hardirqs_off+0xb8/0x310
[  425.216419] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  425.220560]  ? trace_hardirqs_off+0xb8/0x310
[  425.234056] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  425.238460]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.253695] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  425.258111]  ? warn_alloc+0x120/0x120
[  425.273504] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  425.278324]  ? print_usage_bug+0xc0/0xc0
[  425.287130] 326 total pagecache pages
[  425.290916]  ? warn_alloc+0x120/0x120
[  425.299477] 0 pages in swap cache
[  425.303518]  ? warn_alloc+0x120/0x120
[  425.307299] Swap cache stats: add 0, delete 0, find 0/0
[  425.311082]  ? print_usage_bug+0xc0/0xc0
[  425.314511] Free swap  = 0kB
[  425.318298]  ? kvm_clock_read+0x18/0x30
[  425.323635] Total swap = 0kB
[  425.323642] 1965979 pages RAM
[  425.327688]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  425.330676] 0 pages HighMem/MovableOnly
[  425.334635]  ? print_usage_bug+0xc0/0xc0
[  425.337618] 342854 pages reserved
[  425.337625] 0 pages cma reserved
[  425.340717]  ? __lock_acquire+0x62f/0x4c20
[  425.345774] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  425.349666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.349679]  ? should_fail+0x22d/0xd01
[  425.349694]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.353818] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.357210]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.360547] syz-fuzzer cpuset=/ mems_allowed=0
[  425.364769]  ? __lock_acquire+0x62f/0x4c20
[  425.409947]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.415044]  ? __lock_acquire+0x62f/0x4c20
[  425.419272]  ? should_fail+0x22d/0xd01
[  425.423150]  ? rcu_irq_exit+0x1a2/0x390
[  425.427128]  ? mark_held_locks+0x130/0x130
[  425.431365]  ? mark_held_locks+0x130/0x130
[  425.435601]  ? mark_held_locks+0xc7/0x130
[  425.439743]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  425.444754]  ? zap_class+0x640/0x640
[  425.448471]  ? print_usage_bug+0xc0/0xc0
[  425.452536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.458073]  ? check_preemption_disabled+0x48/0x280
[  425.463095]  ? __lock_is_held+0xb5/0x140
[  425.467157]  __alloc_pages_nodemask+0xa80/0xde0
[  425.471820]  ? zap_class+0x640/0x640
[  425.475532]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.480558]  ? find_held_lock+0x36/0x1c0
[  425.484628]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.489292]  ? lock_downgrade+0x900/0x900
[  425.493454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.499000]  cache_grow_begin+0xa5/0x8c0
[  425.503595]  ? do_raw_spin_unlock+0xa7/0x330
[  425.508016]  fallback_alloc+0x204/0x2e0
[  425.512010]  ____cache_alloc_node+0x1c7/0x1e0
[  425.516506]  kmem_cache_alloc_node+0xe3/0x730
[  425.521000]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.525238]  __alloc_skb+0x119/0x770
[  425.528946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.534227]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.538630]  ? lock_downgrade+0x900/0x900
[  425.542779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.548314]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.553766]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.559213]  ? addrconf_rs_timer+0x690/0x690
[  425.563627]  ndisc_alloc_skb+0x144/0x340
[  425.567689]  ndisc_send_rs+0x331/0x6e0
[  425.571576]  addrconf_rs_timer+0x314/0x690
[  425.575813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.580051]  call_timer_fn+0x272/0x920
[  425.583934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.588162]  ? process_timeout+0x40/0x40
[  425.592224]  ? __run_timers+0x7da/0xc70
[  425.596199]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.600754]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.605239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.609474]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.614052]  ? trace_hardirqs_on+0xbd/0x310
[  425.618368]  ? kasan_check_read+0x11/0x20
[  425.622526]  ? __run_timers+0x7da/0xc70
[  425.626495]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.631599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.635836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.640062]  __run_timers+0x7e5/0xc70
[  425.643867]  ? timer_fixup_init+0x70/0x70
[  425.648011]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.653024]  ? zap_class+0x640/0x640
[  425.656735]  ? enqueue_hrtimer+0x1a5/0x560
[  425.660970]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.666160]  ? find_held_lock+0x36/0x1c0
[  425.670218]  ? zap_class+0x640/0x640
[  425.673932]  ? pvclock_read_flags+0x160/0x160
[  425.678423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.683981]  ? check_preemption_disabled+0x48/0x280
[  425.689008]  ? __lock_is_held+0xb5/0x140
[  425.693083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.698614]  ? check_preemption_disabled+0x48/0x280
[  425.703630]  run_timer_softirq+0x52/0xb0
[  425.707686]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.712699]  __do_softirq+0x308/0xb7e
[  425.716502]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  425.720989]  ? lock_downgrade+0x900/0x900
[  425.725139]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.730246]  ? pvclock_read_flags+0x160/0x160
[  425.734736]  ? lapic_next_event+0x5a/0x90
[  425.738883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.744420]  ? kvm_clock_read+0x18/0x30
[  425.748411]  ? kvm_sched_clock_read+0x9/0x20
[  425.752825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.758359]  ? check_preemption_disabled+0x48/0x280
[  425.763382]  irq_exit+0x17f/0x1c0
[  425.766831]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.771687]  ? smp_call_function_single_interrupt+0x159/0x650
[  425.777577]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.783464]  ? interrupt_entry+0xb5/0xc0
[  425.787523]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.792543]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.797562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.802411]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.807436]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.812456]  ? task_prio+0x50/0x50
[  425.815996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.821535]  ? check_preemption_disabled+0x48/0x280
[  425.826561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.831408]  apic_timer_interrupt+0xf/0x20
[  425.835645]  </IRQ>
[  425.837897] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  425.843780] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  425.862678] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  425.870383] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  425.877917] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  425.885876] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  425.893146] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  425.900408] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  425.907714]  ? save_stack+0xa9/0xd0
[  425.911359]  __kmalloc_node_track_caller+0x3c/0x70
[  425.916289]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  425.921046]  pskb_expand_head+0x230/0x10f0
[  425.925285]  ? memcpy+0x45/0x50
[  425.928576]  ? __copy_skb_header+0x350/0x6b0
[  425.932983]  ? skb_release_data+0x880/0x880
[  425.937299]  ? __alloc_skb+0x770/0x770
[  425.941189]  ? __lock_is_held+0xb5/0x140
[  425.945253]  ? kasan_check_write+0x14/0x20
[  425.949484]  ? __skb_clone+0x6c7/0xa00
[  425.953368]  ? __copy_skb_header+0x6b0/0x6b0
[  425.957773]  ? kmem_cache_alloc+0x33a/0x730
[  425.962103]  skb_ensure_writable+0x3dd/0x640
[  425.966509]  ? skb_checksum_setup+0xaa0/0xaa0
[  425.971001]  ? check_preemption_disabled+0x48/0x280
[  425.976108]  ? __this_cpu_preempt_check+0x1c/0x20
[  425.980950]  ? __bpf_redirect+0x54b/0xb20
[  425.985104]  bpf_clone_redirect+0x14a/0x490
[  425.989436]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  425.994455]  ? __sched_text_start+0x8/0x8
[  425.998604]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.003182]  ? retint_kernel+0x2d/0x2d
[  426.007068]  ? trace_hardirqs_on_caller+0xc0/0x310
[  426.012003]  ? find_held_lock+0x36/0x1c0
[  426.016072]  ? lock_acquire+0x1ed/0x520
[  426.020042]  ? bpf_test_run+0x3cb/0x780
[  426.024013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.029548]  ? check_preemption_disabled+0x48/0x280
[  426.034567]  ? kasan_check_read+0x11/0x20
[  426.038712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.043987]  ? rcu_softirq_qs+0x20/0x20
[  426.047961]  ? preempt_schedule+0x4d/0x60
[  426.052110]  ? ___preempt_schedule+0x16/0x18
[  426.056526]  ? bpf_test_run+0x25d/0x780
[  426.060507]  ? netlink_diag_dump+0x2a0/0x2a0
[  426.064923]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  426.069690]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  426.074534]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  426.080069]  ? fput+0x130/0x1a0
[  426.083349]  ? __bpf_prog_get+0x9b/0x290
[  426.087424]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  426.092265]  ? bpf_prog_test_run+0x130/0x1a0
[  426.096672]  ? __x64_sys_bpf+0x3d8/0x520
[  426.100731]  ? bpf_prog_get+0x20/0x20
[  426.104544]  ? do_syscall_64+0x142/0x820
[  426.108610]  ? do_syscall_64+0x1b9/0x820
[  426.112664]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  426.118040]  ? syscall_return_slowpath+0x5e0/0x5e0
[  426.122962]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.127806]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.132816]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  426.137840]  ? prepare_exit_to_usermode+0x291/0x3b0
[  426.142857]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.147707]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  426.153092] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  426.153153] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.160109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.160115] Call Trace:
[  426.160122]  <IRQ>
[  426.160140]  dump_stack+0x244/0x39d
[  426.160158]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.166672] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.175979]  warn_alloc.cold.116+0xb7/0x1bd
[  426.178528] syz-executor1 cpuset=syz1 mems_allowed=0
[  426.180665]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.214134]  ? lock_downgrade+0x900/0x900
[  426.218292]  ? trace_hardirqs_off+0xb8/0x310
[  426.222712]  ? trace_hardirqs_off+0xb8/0x310
[  426.227123]  __alloc_pages_slowpath+0x26e8/0x2e10
[  426.231987]  ? warn_alloc+0x120/0x120
[  426.235790]  ? print_usage_bug+0xc0/0xc0
[  426.239849]  ? warn_alloc+0x120/0x120
[  426.243650]  ? warn_alloc+0x120/0x120
[  426.247459]  ? print_usage_bug+0xc0/0xc0
[  426.251528]  ? print_usage_bug+0xc0/0xc0
[  426.255589]  ? __lock_acquire+0x62f/0x4c20
[  426.259826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.265360]  ? should_fail+0x22d/0xd01
[  426.269252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.274351]  ? __lock_acquire+0x62f/0x4c20
[  426.278608]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.283705]  ? __lock_acquire+0x62f/0x4c20
[  426.287934]  ? should_fail+0x22d/0xd01
[  426.291821]  ? find_held_lock+0x36/0x1c0
[  426.295885]  ? mark_held_locks+0x130/0x130
[  426.300125]  ? mark_held_locks+0x130/0x130
[  426.304353]  ? zap_class+0x640/0x640
[  426.308069]  ? zap_class+0x640/0x640
[  426.311782]  ? print_usage_bug+0xc0/0xc0
[  426.315838]  ? do_raw_spin_unlock+0xa7/0x330
[  426.320240]  ? zap_class+0x640/0x640
[  426.323948]  ? print_usage_bug+0xc0/0xc0
[  426.328005]  ? wq_watchdog_touch+0x9c/0xfe
[  426.332241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.337777]  ? check_preemption_disabled+0x48/0x280
[  426.342796]  ? __lock_is_held+0xb5/0x140
[  426.346858]  __alloc_pages_nodemask+0xa80/0xde0
[  426.351519]  ? zap_class+0x640/0x640
[  426.355234]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.360261]  ? find_held_lock+0x36/0x1c0
[  426.364331]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.368997]  ? lock_downgrade+0x900/0x900
[  426.373151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.378692]  cache_grow_begin+0xa5/0x8c0
[  426.382746]  ? do_raw_spin_unlock+0xa7/0x330
[  426.387163]  fallback_alloc+0x204/0x2e0
[  426.391148]  ____cache_alloc_node+0x1c7/0x1e0
[  426.395659]  kmem_cache_alloc_node+0xe3/0x730
[  426.400155]  ? ipv6_get_ifaddr+0x42e/0x620
[  426.404402]  __alloc_skb+0x119/0x770
[  426.408119]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.413400]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.417809]  ? lock_downgrade+0x900/0x900
[  426.421962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.427495]  ? refcount_sub_and_test_checked+0x203/0x310
[  426.432944]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  426.438393]  ? addrconf_rs_timer+0x690/0x690
[  426.442809]  ndisc_alloc_skb+0x144/0x340
[  426.446873]  ndisc_send_rs+0x331/0x6e0
[  426.450760]  addrconf_rs_timer+0x314/0x690
[  426.454994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.459234]  call_timer_fn+0x272/0x920
[  426.463115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.467347]  ? process_timeout+0x40/0x40
[  426.471423]  ? mark_held_locks+0xc7/0x130
[  426.475568]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.480055]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.484542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.488782]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.493361]  ? trace_hardirqs_on+0xbd/0x310
[  426.497685]  ? kasan_check_read+0x11/0x20
[  426.501825]  ? __run_timers+0x7da/0xc70
[  426.505796]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.510897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.515131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.519357]  __run_timers+0x7e5/0xc70
[  426.523169]  ? timer_fixup_init+0x70/0x70
[  426.527325]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  426.532335]  ? zap_class+0x640/0x640
[  426.536059]  ? print_usage_bug+0xc0/0xc0
[  426.540126]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  426.545318]  ? find_held_lock+0x36/0x1c0
[  426.549392]  ? zap_class+0x640/0x640
[  426.553117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.558672]  ? check_preemption_disabled+0x48/0x280
[  426.563704]  ? __lock_is_held+0xb5/0x140
[  426.567760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.573294]  ? check_preemption_disabled+0x48/0x280
[  426.578313]  run_timer_softirq+0x52/0xb0
[  426.582377]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.587397]  __do_softirq+0x308/0xb7e
[  426.591202]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  426.595694]  ? lock_downgrade+0x900/0x900
[  426.599848]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.604952]  ? pvclock_read_flags+0x160/0x160
[  426.609447]  ? lapic_next_event+0x5a/0x90
[  426.613594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.619138]  ? kvm_clock_read+0x18/0x30
[  426.623113]  ? kvm_sched_clock_read+0x9/0x20
[  426.627526]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.633057]  ? check_preemption_disabled+0x48/0x280
[  426.638165]  irq_exit+0x17f/0x1c0
[  426.641627]  smp_apic_timer_interrupt+0x1cb/0x760
[  426.646469]  ? smp_call_function_single_interrupt+0x650/0x650
[  426.652346]  ? interrupt_entry+0xb5/0xc0
[  426.656414]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.661423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.666435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.671900]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.676997]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.682009]  ? task_prio+0x50/0x50
[  426.685546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.691085]  ? check_preemption_disabled+0x48/0x280
[  426.696105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.700952]  apic_timer_interrupt+0xf/0x20
[  426.705177]  </IRQ>
[  426.707417] RIP: 0010:dump_stack+0x358/0x39d
[  426.711824] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  426.730718] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  426.738422] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  426.745683] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  426.752945] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  426.760207] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  426.767468] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  426.774747]  ? dump_stack+0x34f/0x39d
[  426.778555]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.783747]  ? mark_held_locks+0x130/0x130
[  426.787980]  ? mark_held_locks+0x130/0x130
[  426.792220]  dump_header+0x27b/0xf72
[  426.795943]  ? pagefault_out_of_memory+0x197/0x197
[  426.800877]  ? __lock_acquire+0x62f/0x4c20
[  426.805106]  ? percpu_ref_get_many+0x240/0x240
[  426.809687]  ? print_usage_bug+0xc0/0xc0
[  426.813748]  ? zap_class+0x640/0x640
[  426.817459]  ? print_usage_bug+0xc0/0xc0
[  426.821527]  ? print_usage_bug+0xc0/0xc0
[  426.826625]  ? zap_class+0x640/0x640
[  426.830346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.835884]  ? find_held_lock+0x36/0x1c0
[  426.839955]  ? mark_held_locks+0xc7/0x130
[  426.844099]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.849198]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.854297]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.858875]  ? trace_hardirqs_on+0xbd/0x310
[  426.863198]  ? kasan_check_read+0x11/0x20
[  426.867345]  ? ___ratelimit+0x3b4/0x672
[  426.871318]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.876426]  ? trace_hardirqs_on+0x310/0x310
[  426.880836]  ? lock_downgrade+0x900/0x900
[  426.884987]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.890087]  ? ___ratelimit+0x3b9/0x672
[  426.894065]  ? idr_get_free+0xf70/0xf70
[  426.898038]  ? find_held_lock+0x36/0x1c0
[  426.902114]  oom_kill_process.cold.27+0x10/0x903
[  426.906863]  ? zap_class+0x640/0x640
[  426.910573]  ? check_preemption_disabled+0x48/0x280
[  426.915589]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.920514]  ? kasan_check_read+0x11/0x20
[  426.924657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.929929]  ? oom_evaluate_task+0x540/0x540
[  426.934509]  ? find_held_lock+0x36/0x1c0
[  426.938571]  ? out_of_memory+0x974/0x1430
[  426.942716]  ? lock_downgrade+0x900/0x900
[  426.946867]  ? check_preemption_disabled+0x48/0x280
[  426.951890]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.956816]  ? kasan_check_read+0x11/0x20
[  426.960958]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.966228]  ? rcu_softirq_qs+0x20/0x20
[  426.970202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.975733]  ? oom_evaluate_task+0x302/0x540
[  426.980139]  out_of_memory+0xa84/0x1430
[  426.984115]  ? oom_killer_disable+0x3a0/0x3a0
[  426.988605]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  426.993533]  ? __ww_mutex_check_waiters+0x160/0x160
[  426.998556]  __alloc_pages_slowpath+0x2354/0x2e10
[  427.003425]  ? warn_alloc+0x120/0x120
[  427.007221]  ? mark_held_locks+0x130/0x130
[  427.011455]  ? find_get_entry+0xaae/0x1120
[  427.015694]  ? filemap_map_pages+0x1a20/0x1a20
[  427.020276]  ? zap_class+0x640/0x640
[  427.023995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.029526]  ? check_preemption_disabled+0x48/0x280
[  427.034540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.040074]  ? should_fail+0x22d/0xd01
[  427.043961]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.049149]  ? zap_class+0x640/0x640
[  427.052883]  ? __lock_is_held+0xb5/0x140
[  427.056948]  ? mark_held_locks+0x130/0x130
[  427.061183]  ? lock_release+0xa00/0xa00
[  427.065155]  ? perf_trace_sched_process_exec+0x860/0x860
[  427.070602]  ? xa_load+0x2ba/0x460
[  427.074139]  ? lock_downgrade+0x900/0x900
[  427.078286]  ? __might_sleep+0x95/0x190
[  427.082274]  __alloc_pages_nodemask+0xa80/0xde0
[  427.086947]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.091956]  ? __page_cache_alloc+0x191/0x5c0
[  427.096535]  ? xa_load+0x2e1/0x460
[  427.100075]  ? xa_clear_mark+0x40/0x40
[  427.103972]  ? zap_class+0x640/0x640
[  427.107691]  ? zap_class+0x640/0x640
[  427.111402]  ? zap_class+0x640/0x640
[  427.115122]  ? __do_page_cache_readahead+0x663/0x810
[  427.120228]  ? find_held_lock+0x36/0x1c0
[  427.124287]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  427.129833]  alloc_pages_current+0x173/0x350
[  427.134241]  __page_cache_alloc+0x38c/0x5c0
[  427.138566]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.143492]  ? kasan_check_read+0x11/0x20
[  427.147634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.152906]  ? generic_perform_write+0x6a0/0x6a0
[  427.157658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.163202]  ? check_preemption_disabled+0x48/0x280
[  427.168224]  filemap_fault+0x1595/0x25f0
[  427.172296]  ? __lock_page_or_retry+0xa00/0xa00
[  427.176966]  ? mark_held_locks+0x130/0x130
[  427.181208]  ? filemap_map_pages+0xd6b/0x1a20
[  427.185699]  ? lock_downgrade+0x900/0x900
[  427.189840]  ? check_preemption_disabled+0x48/0x280
[  427.194860]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.199792]  ? kasan_check_read+0x11/0x20
[  427.203936]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.209205]  ? rcu_softirq_qs+0x20/0x20
[  427.213191]  ? filemap_map_pages+0xd92/0x1a20
[  427.217687]  ? print_usage_bug+0xc0/0xc0
[  427.221752]  ? find_get_entries_tag+0x1400/0x1400
[  427.226590]  ? __kasan_slab_free+0x102/0x150
[  427.230990]  ? kasan_slab_free+0xe/0x10
[  427.234958]  ? kmem_cache_free+0x83/0x290
[  427.239113]  ? __sigqueue_free.part.29+0x74/0x90
[  427.243883]  ? lock_acquire+0x1ed/0x520
[  427.247850]  ? ext4_filemap_fault+0x7a/0xad
[  427.252170]  ? lock_release+0xa00/0xa00
[  427.256137]  ? perf_trace_sched_process_exec+0x860/0x860
[  427.261583]  ? print_usage_bug+0xc0/0xc0
[  427.265646]  ? print_usage_bug+0xc0/0xc0
[  427.269716]  ? down_read+0x8d/0x120
[  427.273340]  ? ext4_filemap_fault+0x7a/0xad
[  427.277663]  ? __down_interruptible+0x700/0x700
[  427.282347]  ext4_filemap_fault+0x82/0xad
[  427.286494]  __do_fault+0x100/0x6b0
[  427.290123]  ? pmd_devmap_trans_unstable+0x220/0x220
[  427.295227]  ? mark_held_locks+0x130/0x130
[  427.299460]  ? mark_held_locks+0x130/0x130
[  427.303689]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  427.309221]  ? rcu_pm_notify+0xc0/0xc0
[  427.313124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.318659]  __handle_mm_fault+0x3ea0/0x5be0
[  427.323074]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  427.327911]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.332408]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.336990]  ? trace_hardirqs_on+0xbd/0x310
[  427.341315]  ? kasan_check_read+0x11/0x20
[  427.345462]  ? __set_current_blocked+0xdf/0x120
[  427.350127]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.355236]  ? zap_class+0x640/0x640
[  427.358943]  ? zap_class+0x640/0x640
[  427.362659]  ? find_held_lock+0x36/0x1c0
[  427.366726]  ? handle_mm_fault+0x42a/0xc70
[  427.370961]  ? lock_downgrade+0x900/0x900
[  427.375107]  ? check_preemption_disabled+0x48/0x280
[  427.380131]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.385051]  ? kasan_check_read+0x11/0x20
[  427.389194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.394467]  ? rcu_softirq_qs+0x20/0x20
[  427.398434]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.403536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.409067]  ? check_preemption_disabled+0x48/0x280
[  427.414084]  handle_mm_fault+0x54f/0xc70
[  427.418143]  ? __handle_mm_fault+0x5be0/0x5be0
[  427.422724]  ? find_vma+0x34/0x190
[  427.426263]  __do_page_fault+0x5e8/0xe60
[  427.430330]  ? exit_to_usermode_loop+0x1f4/0x380
[  427.435091]  do_page_fault+0xf2/0x7e0
[  427.438892]  ? vmalloc_sync_all+0x30/0x30
[  427.443036]  ? error_entry+0x70/0xd0
[  427.446751]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.451764]  ? trace_hardirqs_on_caller+0xc0/0x310
[  427.456686]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.461609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.466464]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.471477]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  427.477966]  ? prepare_exit_to_usermode+0x291/0x3b0
[  427.482978]  ? page_fault+0x8/0x30
[  427.486533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.491372]  ? page_fault+0x8/0x30
[  427.494907]  page_fault+0x1e/0x30
[  427.498368] RIP: 0033:0x45db60
[  427.501566] Code: Bad RIP value.
[  427.505392] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  427.510749] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  427.518011] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  427.525272] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  427.532547] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  427.539807] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  427.547097] warn_alloc_show_mem: 1 callbacks suppressed
[  427.547107] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  427.547109] Mem-Info:
[  427.547139] active_anon:52805 inactive_anon:249 isolated_anon:0
[  427.547139]  active_file:17 inactive_file:10 isolated_file:0
[  427.547139]  unevictable:0 dirty:0 writeback:0 unstable:0
[  427.547139]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  427.547139]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  427.547139]  free:13758 free_pcp:272 free_cma:0
[  427.552469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.552476] Call Trace:
[  427.559831] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  427.562235]  <IRQ>
[  427.595088] 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
[  427.604450]  dump_stack+0x244/0x39d
[  427.606998] lowmem_reserve[]: 0 2818 6321 6321
[  427.634575]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.636692] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  427.662813]  warn_alloc.cold.116+0xb7/0x1bd
[  427.666399] lowmem_reserve[]: 0 0 3503 3503
[  427.670968]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.676127] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  427.703441]  ? lock_downgrade+0x900/0x900
[  427.707726] lowmem_reserve[]: 0 0 0 0
[  427.712043]  ? trace_hardirqs_off+0xb8/0x310
[  427.716847] 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
[  427.745726]  ? trace_hardirqs_off+0xb8/0x310
[  427.749841] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  427.753638]  __alloc_pages_slowpath+0x26e8/0x2e10
[  427.758010] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  427.771548]  ? warn_alloc+0x120/0x120
[  427.775910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  427.791063]  ? print_usage_bug+0xc0/0xc0
[  427.795882] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  427.811293]  ? warn_alloc+0x120/0x120
[  427.815067] 326 total pagecache pages
[  427.823888]  ? warn_alloc+0x120/0x120
[  427.827929] 0 pages in swap cache
[  427.836482]  ? print_usage_bug+0xc0/0xc0
[  427.840262] Swap cache stats: add 0, delete 0, find 0/0
[  427.844045]  ? print_usage_bug+0xc0/0xc0
[  427.847816] Free swap  = 0kB
[  427.851262]  ? __lock_acquire+0x62f/0x4c20
[  427.855295] Total swap = 0kB
[  427.860648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.864675] 1965979 pages RAM
[  427.867682]  ? should_fail+0x22d/0xd01
[  427.871893] 0 pages HighMem/MovableOnly
[  427.871900] 342854 pages reserved
[  427.874909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.880417] 0 pages cma reserved
[  427.883511]  ? __lock_acquire+0x62f/0x4c20
[  427.887444] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  427.891336]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.895410] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.899852]  ? __lock_acquire+0x62f/0x4c20
[  427.899869]  ? should_fail+0x22d/0xd01
[  427.903308] syz-fuzzer cpuset=/ mems_allowed=0
[  427.907525]  ? find_held_lock+0x36/0x1c0
[  427.907548]  ? mark_held_locks+0x130/0x130
[  427.950288]  ? mark_held_locks+0x130/0x130
[  427.954517]  ? zap_class+0x640/0x640
[  427.958229]  ? zap_class+0x640/0x640
[  427.961947]  ? print_usage_bug+0xc0/0xc0
[  427.966000]  ? do_raw_spin_unlock+0xa7/0x330
[  427.970401]  ? zap_class+0x640/0x640
[  427.974111]  ? print_usage_bug+0xc0/0xc0
[  427.978200]  ? wq_watchdog_touch+0x9c/0xfe
[  427.982436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.987968]  ? check_preemption_disabled+0x48/0x280
[  427.992991]  ? __lock_is_held+0xb5/0x140
[  427.997053]  __alloc_pages_nodemask+0xa80/0xde0
[  428.001716]  ? zap_class+0x640/0x640
[  428.005429]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.010450]  ? find_held_lock+0x36/0x1c0
[  428.014515]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.019276]  ? lock_downgrade+0x900/0x900
[  428.023425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.028965]  cache_grow_begin+0xa5/0x8c0
[  428.033025]  ? do_raw_spin_unlock+0xa7/0x330
[  428.037437]  fallback_alloc+0x204/0x2e0
[  428.041412]  ____cache_alloc_node+0x1c7/0x1e0
[  428.045905]  kmem_cache_alloc_node+0xe3/0x730
[  428.050402]  ? ipv6_get_ifaddr+0x42e/0x620
[  428.054640]  __alloc_skb+0x119/0x770
[  428.058349]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.063623]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.068025]  ? lock_downgrade+0x900/0x900
[  428.072174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.077712]  ? refcount_sub_and_test_checked+0x203/0x310
[  428.083162]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.088608]  ? addrconf_rs_timer+0x690/0x690
[  428.093023]  ndisc_alloc_skb+0x144/0x340
[  428.097082]  ndisc_send_rs+0x331/0x6e0
[  428.100970]  addrconf_rs_timer+0x314/0x690
[  428.105203]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.109448]  call_timer_fn+0x272/0x920
[  428.113330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.117560]  ? process_timeout+0x40/0x40
[  428.121622]  ? __run_timers+0x7da/0xc70
[  428.125594]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.130086]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.134574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.138805]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.143385]  ? trace_hardirqs_on+0xbd/0x310
[  428.147699]  ? kasan_check_read+0x11/0x20
[  428.151840]  ? __run_timers+0x7da/0xc70
[  428.155809]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.160910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.165143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.169374]  __run_timers+0x7e5/0xc70
[  428.173179]  ? timer_fixup_init+0x70/0x70
[  428.177328]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.182342]  ? zap_class+0x640/0x640
[  428.186141]  ? enqueue_hrtimer+0x1a5/0x560
[  428.190372]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.195653]  ? find_held_lock+0x36/0x1c0
[  428.199716]  ? zap_class+0x640/0x640
[  428.203426]  ? pvclock_read_flags+0x160/0x160
[  428.207917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.213449]  ? check_preemption_disabled+0x48/0x280
[  428.218472]  ? __lock_is_held+0xb5/0x140
[  428.222528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.228062]  ? check_preemption_disabled+0x48/0x280
[  428.233077]  run_timer_softirq+0x52/0xb0
[  428.237135]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.242146]  __do_softirq+0x308/0xb7e
[  428.245958]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.250446]  ? lock_downgrade+0x900/0x900
[  428.254591]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.259693]  ? pvclock_read_flags+0x160/0x160
[  428.264189]  ? lapic_next_event+0x5a/0x90
[  428.268341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.273881]  ? kvm_clock_read+0x18/0x30
[  428.277848]  ? kvm_sched_clock_read+0x9/0x20
[  428.282258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.287789]  ? check_preemption_disabled+0x48/0x280
[  428.292809]  irq_exit+0x17f/0x1c0
[  428.296260]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.301096]  ? smp_call_function_single_interrupt+0x159/0x650
[  428.306979]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.312858]  ? interrupt_entry+0xb5/0xc0
[  428.316915]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.321927]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.326938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.331777]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.336791]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.341804]  ? task_prio+0x50/0x50
[  428.345348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.350880]  ? check_preemption_disabled+0x48/0x280
[  428.355896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.360743]  apic_timer_interrupt+0xf/0x20
[  428.364968]  </IRQ>
[  428.367202] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  428.373087] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  428.391981] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  428.399684] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  428.406954] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  428.414225] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  428.421486] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  428.428834] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  428.436127]  ? save_stack+0xa9/0xd0
[  428.439763]  __kmalloc_node_track_caller+0x3c/0x70
[  428.444695]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  428.449453]  pskb_expand_head+0x230/0x10f0
[  428.453688]  ? memcpy+0x45/0x50
[  428.456967]  ? __copy_skb_header+0x350/0x6b0
[  428.461370]  ? skb_release_data+0x880/0x880
[  428.465685]  ? __alloc_skb+0x770/0x770
[  428.469573]  ? __lock_is_held+0xb5/0x140
[  428.473636]  ? kasan_check_write+0x14/0x20
[  428.477862]  ? __skb_clone+0x6c7/0xa00
[  428.481750]  ? __copy_skb_header+0x6b0/0x6b0
[  428.486152]  ? kmem_cache_alloc+0x33a/0x730
[  428.490478]  skb_ensure_writable+0x3dd/0x640
[  428.494887]  ? skb_checksum_setup+0xaa0/0xaa0
[  428.499384]  ? check_preemption_disabled+0x48/0x280
[  428.504401]  ? __this_cpu_preempt_check+0x1c/0x20
[  428.509237]  ? __bpf_redirect+0x54b/0xb20
[  428.513388]  bpf_clone_redirect+0x14a/0x490
[  428.517712]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  428.522731]  ? __sched_text_start+0x8/0x8
[  428.526882]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.531455]  ? retint_kernel+0x2d/0x2d
[  428.535338]  ? trace_hardirqs_on_caller+0xc0/0x310
[  428.540265]  ? find_held_lock+0x36/0x1c0
[  428.544329]  ? lock_acquire+0x1ed/0x520
[  428.548301]  ? bpf_test_run+0x3cb/0x780
[  428.552275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.557807]  ? check_preemption_disabled+0x48/0x280
[  428.562826]  ? kasan_check_read+0x11/0x20
[  428.566969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.572239]  ? rcu_softirq_qs+0x20/0x20
[  428.576217]  ? preempt_schedule+0x4d/0x60
[  428.580361]  ? ___preempt_schedule+0x16/0x18
[  428.584770]  ? bpf_test_run+0x25d/0x780
[  428.588754]  ? netlink_diag_dump+0x2a0/0x2a0
[  428.593173]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  428.597939]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.602774]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  428.608306]  ? fput+0x130/0x1a0
[  428.611583]  ? __bpf_prog_get+0x9b/0x290
[  428.615641]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.620475]  ? bpf_prog_test_run+0x130/0x1a0
[  428.624880]  ? __x64_sys_bpf+0x3d8/0x520
[  428.628935]  ? bpf_prog_get+0x20/0x20
[  428.632747]  ? do_syscall_64+0x142/0x820
[  428.636808]  ? do_syscall_64+0x1b9/0x820
[  428.640863]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  428.646230]  ? syscall_return_slowpath+0x5e0/0x5e0
[  428.651151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.655992]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.661007]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  428.666017]  ? prepare_exit_to_usermode+0x291/0x3b0
[  428.671560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.676408]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  428.681784] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  428.681846] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  428.688793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.688798] Call Trace:
[  428.688804]  <IRQ>
[  428.688821]  dump_stack+0x244/0x39d
[  428.688840]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.695344] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.704653]  warn_alloc.cold.116+0xb7/0x1bd
[  428.707205] syz-executor1 cpuset=syz1 mems_allowed=0
[  428.709347]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.742799]  ? lock_downgrade+0x900/0x900
[  428.746952]  ? trace_hardirqs_off+0xb8/0x310
[  428.751362]  ? trace_hardirqs_off+0xb8/0x310
[  428.755763]  ? noop_count+0x40/0x40
[  428.759391]  __alloc_pages_slowpath+0x26e8/0x2e10
[  428.764253]  ? check_usage+0x1aa/0x790
[  428.768140]  ? warn_alloc+0x120/0x120
[  428.771941]  ? warn_alloc+0x120/0x120
[  428.775754]  ? __bfs+0xb0/0x780
[  428.779030]  ? warn_alloc+0x120/0x120
[  428.782830]  ? print_usage_bug+0xc0/0xc0
[  428.786899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.792442]  ? should_fail+0x22d/0xd01
[  428.796330]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  428.802217]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.807317]  ? __lock_acquire+0x62f/0x4c20
[  428.811550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.816647]  ? should_fail+0x22d/0xd01
[  428.820538]  ? mark_held_locks+0x130/0x130
[  428.824769]  ? mark_held_locks+0x130/0x130
[  428.828999]  ? print_usage_bug+0xc0/0xc0
[  428.833062]  ? find_held_lock+0x36/0x1c0
[  428.837120]  ? zap_class+0x640/0x640
[  428.840845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.846380]  ? check_preemption_disabled+0x48/0x280
[  428.851399]  ? __lock_is_held+0xb5/0x140
[  428.855460]  __alloc_pages_nodemask+0xa80/0xde0
[  428.860126]  ? zap_class+0x640/0x640
[  428.863840]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.868861]  ? find_held_lock+0x36/0x1c0
[  428.872923]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.877589]  ? lock_downgrade+0x900/0x900
[  428.881737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.887276]  cache_grow_begin+0xa5/0x8c0
[  428.891335]  ? do_raw_spin_unlock+0xa7/0x330
[  428.895744]  fallback_alloc+0x204/0x2e0
[  428.899718]  ____cache_alloc_node+0x1c7/0x1e0
[  428.904222]  kmem_cache_alloc_node+0xe3/0x730
[  428.908715]  ? mark_held_locks+0xc7/0x130
[  428.912877]  __alloc_skb+0x119/0x770
[  428.916590]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.920991]  ? do_raw_spin_trylock+0x270/0x270
[  428.925566]  ? kmem_cache_alloc_trace+0x353/0x750
[  428.930406]  ? queue_work_on+0x12c/0x1e0
[  428.934541]  ? switchdev_port_obj_del+0xdc/0x440
[  428.939293]  ? switchdev_trans_item_enqueue+0x260/0x260
[  428.944649]  ? mod_timer+0x631/0x1560
[  428.948442]  ? wake_up_klogd+0x180/0x180
[  428.952495]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  428.957563]  __br_mdb_notify+0x4ff/0x15d0
[  428.961718]  ? __br_mdb_add+0x7f0/0x7f0
[  428.965700]  ? zap_class+0x640/0x640
[  428.969423]  ? br_multicast_group_expired+0x96/0x610
[  428.974532]  br_mdb_notify+0x310/0x410
[  428.978415]  ? br_mdb_dump+0x27b0/0x27b0
[  428.982479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.988019]  br_multicast_group_expired+0x1bc/0x610
[  428.993037]  ? br_mdb_free+0x80/0x80
[  428.996758]  call_timer_fn+0x272/0x920
[  429.000643]  ? br_mdb_free+0x80/0x80
[  429.004351]  ? process_timeout+0x40/0x40
[  429.008415]  ? mark_held_locks+0xc7/0x130
[  429.012561]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.017052]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.021542]  ? br_mdb_free+0x80/0x80
[  429.025351]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.029931]  ? trace_hardirqs_on+0xbd/0x310
[  429.034246]  ? kasan_check_read+0x11/0x20
[  429.038385]  ? __run_timers+0x7da/0xc70
[  429.042356]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.047462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.051696]  ? br_mdb_free+0x80/0x80
[  429.055417]  __run_timers+0x7e5/0xc70
[  429.059228]  ? timer_fixup_init+0x70/0x70
[  429.063371]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.068386]  ? zap_class+0x640/0x640
[  429.072100]  ? print_usage_bug+0xc0/0xc0
[  429.076163]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.081359]  ? find_held_lock+0x36/0x1c0
[  429.085422]  ? zap_class+0x640/0x640
[  429.089139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.094680]  ? check_preemption_disabled+0x48/0x280
[  429.099706]  ? __lock_is_held+0xb5/0x140
[  429.103763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.109294]  ? check_preemption_disabled+0x48/0x280
[  429.114321]  run_timer_softirq+0x52/0xb0
[  429.118386]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.123399]  __do_softirq+0x308/0xb7e
[  429.127203]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  429.131694]  ? lock_downgrade+0x900/0x900
[  429.135841]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.140950]  ? pvclock_read_flags+0x160/0x160
[  429.145444]  ? lapic_next_event+0x5a/0x90
[  429.149587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.155122]  ? kvm_clock_read+0x18/0x30
[  429.159101]  ? kvm_sched_clock_read+0x9/0x20
[  429.163507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.169042]  ? check_preemption_disabled+0x48/0x280
[  429.174061]  irq_exit+0x17f/0x1c0
[  429.177508]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.182354]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.188234]  ? interrupt_entry+0xb5/0xc0
[  429.192291]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.197302]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.202314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.207157]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.212172]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.217192]  ? task_prio+0x50/0x50
[  429.220726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.226257]  ? check_preemption_disabled+0x48/0x280
[  429.231272]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.236117]  apic_timer_interrupt+0xf/0x20
[  429.240349]  </IRQ>
[  429.242580] RIP: 0010:dump_stack+0x358/0x39d
[  429.246983] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  429.265875] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  429.273575] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  429.280834] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  429.288095] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  429.295355] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  429.302615] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  429.309989]  ? dump_stack+0x34f/0x39d
[  429.313798]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.318983]  ? mark_held_locks+0x130/0x130
[  429.323213]  ? mark_held_locks+0x130/0x130
[  429.327446]  dump_header+0x27b/0xf72
[  429.331179]  ? pagefault_out_of_memory+0x197/0x197
[  429.336113]  ? __lock_acquire+0x62f/0x4c20
[  429.340351]  ? percpu_ref_get_many+0x240/0x240
[  429.344933]  ? print_usage_bug+0xc0/0xc0
[  429.348996]  ? zap_class+0x640/0x640
[  429.352706]  ? print_usage_bug+0xc0/0xc0
[  429.356760]  ? print_usage_bug+0xc0/0xc0
[  429.360820]  ? zap_class+0x640/0x640
[  429.364532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.370065]  ? find_held_lock+0x36/0x1c0
[  429.374139]  ? mark_held_locks+0xc7/0x130
[  429.378288]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.383382]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.388480]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.393056]  ? trace_hardirqs_on+0xbd/0x310
[  429.397371]  ? kasan_check_read+0x11/0x20
[  429.401513]  ? ___ratelimit+0x3b4/0x672
[  429.405482]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.410583]  ? trace_hardirqs_on+0x310/0x310
[  429.414990]  ? lock_downgrade+0x900/0x900
[  429.419144]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.424247]  ? ___ratelimit+0x3b9/0x672
[  429.428221]  ? idr_get_free+0xf70/0xf70
[  429.432797]  ? find_held_lock+0x36/0x1c0
[  429.436859]  oom_kill_process.cold.27+0x10/0x903
[  429.441610]  ? zap_class+0x640/0x640
[  429.445317]  ? check_preemption_disabled+0x48/0x280
[  429.450334]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.455260]  ? kasan_check_read+0x11/0x20
[  429.459405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.464679]  ? oom_evaluate_task+0x540/0x540
[  429.469086]  ? find_held_lock+0x36/0x1c0
[  429.473161]  ? out_of_memory+0x974/0x1430
[  429.477305]  ? lock_downgrade+0x900/0x900
[  429.481446]  ? check_preemption_disabled+0x48/0x280
[  429.486462]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.491385]  ? kasan_check_read+0x11/0x20
[  429.495527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.500796]  ? rcu_softirq_qs+0x20/0x20
[  429.505240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.510773]  ? oom_evaluate_task+0x302/0x540
[  429.515185]  out_of_memory+0xa84/0x1430
[  429.519168]  ? oom_killer_disable+0x3a0/0x3a0
[  429.523660]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  429.528588]  ? __ww_mutex_check_waiters+0x160/0x160
[  429.533608]  __alloc_pages_slowpath+0x2354/0x2e10
[  429.538471]  ? warn_alloc+0x120/0x120
[  429.542266]  ? mark_held_locks+0x130/0x130
[  429.546499]  ? find_get_entry+0xaae/0x1120
[  429.550737]  ? filemap_map_pages+0x1a20/0x1a20
[  429.555319]  ? zap_class+0x640/0x640
[  429.559032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.564572]  ? check_preemption_disabled+0x48/0x280
[  429.569584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.575126]  ? should_fail+0x22d/0xd01
[  429.579018]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.584124]  ? zap_class+0x640/0x640
[  429.587861]  ? __lock_is_held+0xb5/0x140
[  429.591927]  ? mark_held_locks+0x130/0x130
[  429.596165]  ? lock_release+0xa00/0xa00
[  429.600142]  ? perf_trace_sched_process_exec+0x860/0x860
[  429.605590]  ? xa_load+0x2ba/0x460
[  429.609139]  ? lock_downgrade+0x900/0x900
[  429.613289]  ? __might_sleep+0x95/0x190
[  429.617262]  __alloc_pages_nodemask+0xa80/0xde0
[  429.621930]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.626940]  ? __page_cache_alloc+0x191/0x5c0
[  429.631429]  ? xa_load+0x2e1/0x460
[  429.634965]  ? xa_clear_mark+0x40/0x40
[  429.638847]  ? zap_class+0x640/0x640
[  429.642563]  ? zap_class+0x640/0x640
[  429.646268]  ? zap_class+0x640/0x640
[  429.649979]  ? __do_page_cache_readahead+0x663/0x810
[  429.655080]  ? find_held_lock+0x36/0x1c0
[  429.659153]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  429.665129]  alloc_pages_current+0x173/0x350
[  429.669540]  __page_cache_alloc+0x38c/0x5c0
[  429.673855]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.678777]  ? kasan_check_read+0x11/0x20
[  429.682917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.688194]  ? generic_perform_write+0x6a0/0x6a0
[  429.692946]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.698477]  ? check_preemption_disabled+0x48/0x280
[  429.703502]  filemap_fault+0x1595/0x25f0
[  429.707572]  ? __lock_page_or_retry+0xa00/0xa00
[  429.712236]  ? mark_held_locks+0x130/0x130
[  429.716472]  ? filemap_map_pages+0xd6b/0x1a20
[  429.720967]  ? lock_downgrade+0x900/0x900
[  429.725117]  ? check_preemption_disabled+0x48/0x280
[  429.730140]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.735066]  ? kasan_check_read+0x11/0x20
[  429.739215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.744484]  ? rcu_softirq_qs+0x20/0x20
[  429.748464]  ? filemap_map_pages+0xd92/0x1a20
[  429.752956]  ? print_usage_bug+0xc0/0xc0
[  429.757029]  ? find_get_entries_tag+0x1400/0x1400
[  429.761866]  ? __kasan_slab_free+0x102/0x150
[  429.766270]  ? kasan_slab_free+0xe/0x10
[  429.770239]  ? kmem_cache_free+0x83/0x290
[  429.774401]  ? __sigqueue_free.part.29+0x74/0x90
[  429.779168]  ? lock_acquire+0x1ed/0x520
[  429.783143]  ? ext4_filemap_fault+0x7a/0xad
[  429.787467]  ? lock_release+0xa00/0xa00
[  429.791438]  ? perf_trace_sched_process_exec+0x860/0x860
[  429.796883]  ? print_usage_bug+0xc0/0xc0
[  429.800941]  ? print_usage_bug+0xc0/0xc0
[  429.805007]  ? down_read+0x8d/0x120
[  429.808626]  ? ext4_filemap_fault+0x7a/0xad
[  429.812941]  ? __down_interruptible+0x700/0x700
[  429.817612]  ext4_filemap_fault+0x82/0xad
[  429.821759]  __do_fault+0x100/0x6b0
[  429.825387]  ? pmd_devmap_trans_unstable+0x220/0x220
[  429.830486]  ? mark_held_locks+0x130/0x130
[  429.834717]  ? mark_held_locks+0x130/0x130
[  429.838952]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  429.844483]  ? rcu_pm_notify+0xc0/0xc0
[  429.848371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.853906]  __handle_mm_fault+0x3ea0/0x5be0
[  429.858315]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  429.863155]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.867733]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.872310]  ? trace_hardirqs_on+0xbd/0x310
[  429.876626]  ? kasan_check_read+0x11/0x20
[  429.880767]  ? __set_current_blocked+0xdf/0x120
[  429.885431]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.890538]  ? zap_class+0x640/0x640
[  429.894243]  ? zap_class+0x640/0x640
[  429.897957]  ? find_held_lock+0x36/0x1c0
[  429.902020]  ? handle_mm_fault+0x42a/0xc70
[  429.906249]  ? lock_downgrade+0x900/0x900
[  429.910390]  ? check_preemption_disabled+0x48/0x280
[  429.915402]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.920323]  ? kasan_check_read+0x11/0x20
[  429.924463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.929820]  ? rcu_softirq_qs+0x20/0x20
[  429.933790]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.938903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.944441]  ? check_preemption_disabled+0x48/0x280
[  429.949457]  handle_mm_fault+0x54f/0xc70
[  429.953514]  ? __handle_mm_fault+0x5be0/0x5be0
[  429.958102]  ? find_vma+0x34/0x190
[  429.961647]  __do_page_fault+0x5e8/0xe60
[  429.965702]  ? exit_to_usermode_loop+0x1f4/0x380
[  429.970461]  do_page_fault+0xf2/0x7e0
[  429.974260]  ? vmalloc_sync_all+0x30/0x30
[  429.978401]  ? error_entry+0x70/0xd0
[  429.982120]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.987132]  ? trace_hardirqs_on_caller+0xc0/0x310
[  429.992053]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.996980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.001820]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.006833]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  430.012286]  ? prepare_exit_to_usermode+0x291/0x3b0
[  430.017298]  ? page_fault+0x8/0x30
[  430.020833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.025674]  ? page_fault+0x8/0x30
[  430.029210]  page_fault+0x1e/0x30
[  430.032654] RIP: 0033:0x45db60
[  430.035853] Code: Bad RIP value.
[  430.039209] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  430.044566] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  430.051832] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  430.059098] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  430.066363] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  430.073627] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  430.080914] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  430.080934] warn_alloc_show_mem: 1 callbacks suppressed
[  430.080937] Mem-Info:
[  430.088274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.093631] active_anon:52805 inactive_anon:249 isolated_anon:0
[  430.093631]  active_file:17 inactive_file:10 isolated_file:0
[  430.093631]  unevictable:0 dirty:0 writeback:0 unstable:0
[  430.093631]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  430.093631]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  430.093631]  free:13758 free_pcp:272 free_cma:0
[  430.093660] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  430.096032] Call Trace:
[  430.105383] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  430.138244]  <IRQ>
[  430.165799] lowmem_reserve[]: 0 2818 6321 6321
[  430.168384]  dump_stack+0x244/0x39d
[  430.194467] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  430.196617]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.201163] lowmem_reserve[]: 0 0 3503 3503
[  430.204794]  warn_alloc.cold.116+0xb7/0x1bd
[  430.232088] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  430.237267]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.241554] lowmem_reserve[]: 0 0 0 0
[  430.245873]  ? lock_downgrade+0x900/0x900
[  430.274728] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  430.279568]  ? trace_hardirqs_off+0xb8/0x310
[  430.283333] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  430.287474]  ? trace_hardirqs_off+0xb8/0x310
[  430.300966] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  430.305370]  __alloc_pages_slowpath+0x26e8/0x2e10
[  430.320514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  430.324930]  ? warn_alloc+0x120/0x120
[  430.340315] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  430.345139]  ? print_usage_bug+0xc0/0xc0
[  430.353943] 326 total pagecache pages
[  430.357726]  ? warn_alloc+0x120/0x120
[  430.366276] 0 pages in swap cache
[  430.370321]  ? warn_alloc+0x120/0x120
[  430.374101] Swap cache stats: add 0, delete 0, find 0/0
[  430.377885]  ? print_usage_bug+0xc0/0xc0
[  430.381307] Free swap  = 0kB
[  430.385097]  ? print_usage_bug+0xc0/0xc0
[  430.390432] Total swap = 0kB
[  430.394481]  ? __lock_acquire+0x62f/0x4c20
[  430.397472] 1965979 pages RAM
[  430.401524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.404512] 0 pages HighMem/MovableOnly
[  430.408731]  ? should_fail+0x22d/0xd01
[  430.411802] 342854 pages reserved
[  430.411809] 0 pages cma reserved
[  430.417333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.422070] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.425154]  ? __lock_acquire+0x62f/0x4c20
[  430.428578] syz-fuzzer cpuset=/ mems_allowed=0
[  430.431939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.461085]  ? __lock_acquire+0x62f/0x4c20
[  430.465318]  ? should_fail+0x22d/0xd01
[  430.469198]  ? find_held_lock+0x36/0x1c0
[  430.473263]  ? mark_held_locks+0x130/0x130
[  430.477494]  ? mark_held_locks+0x130/0x130
[  430.481725]  ? zap_class+0x640/0x640
[  430.485431]  ? zap_class+0x640/0x640
[  430.489146]  ? print_usage_bug+0xc0/0xc0
[  430.493203]  ? do_raw_spin_unlock+0xa7/0x330
[  430.497609]  ? zap_class+0x640/0x640
[  430.501326]  ? print_usage_bug+0xc0/0xc0
[  430.505380]  ? wq_watchdog_touch+0x9c/0xfe
[  430.509612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.515148]  ? check_preemption_disabled+0x48/0x280
[  430.520168]  ? __lock_is_held+0xb5/0x140
[  430.524235]  __alloc_pages_nodemask+0xa80/0xde0
[  430.528897]  ? zap_class+0x640/0x640
[  430.532609]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.537631]  ? find_held_lock+0x36/0x1c0
[  430.541695]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.546374]  ? lock_downgrade+0x900/0x900
[  430.550523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.556065]  cache_grow_begin+0xa5/0x8c0
[  430.560124]  ? do_raw_spin_unlock+0xa7/0x330
[  430.564533]  fallback_alloc+0x204/0x2e0
[  430.568508]  ____cache_alloc_node+0x1c7/0x1e0
[  430.573005]  kmem_cache_alloc_node+0xe3/0x730
[  430.577503]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.581741]  __alloc_skb+0x119/0x770
[  430.585449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.590736]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.595148]  ? lock_downgrade+0x900/0x900
[  430.599296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.604834]  ? refcount_sub_and_test_checked+0x203/0x310
[  430.610282]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  430.615730]  ? addrconf_rs_timer+0x690/0x690
[  430.620143]  ndisc_alloc_skb+0x144/0x340
[  430.624203]  ndisc_send_rs+0x331/0x6e0
[  430.628090]  addrconf_rs_timer+0x314/0x690
[  430.632326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.636572]  call_timer_fn+0x272/0x920
[  430.640452]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.644680]  ? process_timeout+0x40/0x40
[  430.648747]  ? __run_timers+0x7da/0xc70
[  430.652721]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.657210]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.661695]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.665927]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.671053]  ? trace_hardirqs_on+0xbd/0x310
[  430.675371]  ? kasan_check_read+0x11/0x20
[  430.679511]  ? __run_timers+0x7da/0xc70
[  430.683489]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.688598]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.692832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.697063]  __run_timers+0x7e5/0xc70
[  430.700869]  ? timer_fixup_init+0x70/0x70
[  430.705017]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.710043]  ? zap_class+0x640/0x640
[  430.713754]  ? enqueue_hrtimer+0x1a5/0x560
[  430.718001]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.723196]  ? find_held_lock+0x36/0x1c0
[  430.727257]  ? zap_class+0x640/0x640
[  430.730971]  ? pvclock_read_flags+0x160/0x160
[  430.735462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.740994]  ? check_preemption_disabled+0x48/0x280
[  430.746025]  ? __lock_is_held+0xb5/0x140
[  430.750084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.755616]  ? check_preemption_disabled+0x48/0x280
[  430.760643]  run_timer_softirq+0x52/0xb0
[  430.764698]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.769714]  __do_softirq+0x308/0xb7e
[  430.773513]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  430.778003]  ? lock_downgrade+0x900/0x900
[  430.782155]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.787259]  ? pvclock_read_flags+0x160/0x160
[  430.791754]  ? lapic_next_event+0x5a/0x90
[  430.795903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.801443]  ? kvm_clock_read+0x18/0x30
[  430.805413]  ? kvm_sched_clock_read+0x9/0x20
[  430.809816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.815351]  ? check_preemption_disabled+0x48/0x280
[  430.820369]  irq_exit+0x17f/0x1c0
[  430.823820]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.828657]  ? smp_call_function_single_interrupt+0x159/0x650
[  430.834537]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.840417]  ? interrupt_entry+0xb5/0xc0
[  430.844476]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.849489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.854500]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.859342]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.864352]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.869363]  ? task_prio+0x50/0x50
[  430.872900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.878431]  ? check_preemption_disabled+0x48/0x280
[  430.883446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.888289]  apic_timer_interrupt+0xf/0x20
[  430.892513]  </IRQ>
[  430.894753] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  430.900631] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  430.919523] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  430.927226] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  430.934487] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  430.941748] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  430.949018] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  430.956278] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  430.963570]  ? save_stack+0xa9/0xd0
[  430.967201]  __kmalloc_node_track_caller+0x3c/0x70
[  430.972137]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  430.976892]  pskb_expand_head+0x230/0x10f0
[  430.981135]  ? memcpy+0x45/0x50
[  430.984411]  ? __copy_skb_header+0x350/0x6b0
[  430.988821]  ? skb_release_data+0x880/0x880
[  430.993139]  ? __alloc_skb+0x770/0x770
[  430.997037]  ? __lock_is_held+0xb5/0x140
[  431.001101]  ? kasan_check_write+0x14/0x20
[  431.005328]  ? __skb_clone+0x6c7/0xa00
[  431.009211]  ? __copy_skb_header+0x6b0/0x6b0
[  431.013611]  ? kmem_cache_alloc+0x33a/0x730
[  431.017937]  skb_ensure_writable+0x3dd/0x640
[  431.022340]  ? skb_checksum_setup+0xaa0/0xaa0
[  431.026828]  ? check_preemption_disabled+0x48/0x280
[  431.031843]  ? __this_cpu_preempt_check+0x1c/0x20
[  431.036678]  ? __bpf_redirect+0x54b/0xb20
[  431.040836]  bpf_clone_redirect+0x14a/0x490
[  431.045166]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  431.050184]  ? __sched_text_start+0x8/0x8
[  431.054332]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.058908]  ? retint_kernel+0x2d/0x2d
[  431.062790]  ? trace_hardirqs_on_caller+0xc0/0x310
[  431.067716]  ? find_held_lock+0x36/0x1c0
[  431.071780]  ? lock_acquire+0x1ed/0x520
[  431.075748]  ? bpf_test_run+0x3cb/0x780
[  431.079721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.085252]  ? check_preemption_disabled+0x48/0x280
[  431.090268]  ? kasan_check_read+0x11/0x20
[  431.094412]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.099687]  ? rcu_softirq_qs+0x20/0x20
[  431.103656]  ? preempt_schedule+0x4d/0x60
[  431.107798]  ? ___preempt_schedule+0x16/0x18
[  431.112208]  ? bpf_test_run+0x25d/0x780
[  431.116192]  ? netlink_diag_dump+0x2a0/0x2a0
[  431.120609]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  431.125368]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  431.130205]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  431.135752]  ? fput+0x130/0x1a0
[  431.139031]  ? __bpf_prog_get+0x9b/0x290
[  431.143090]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  431.147924]  ? bpf_prog_test_run+0x130/0x1a0
[  431.152329]  ? __x64_sys_bpf+0x3d8/0x520
[  431.156383]  ? bpf_prog_get+0x20/0x20
[  431.160191]  ? do_syscall_64+0x142/0x820
[  431.164250]  ? do_syscall_64+0x1b9/0x820
[  431.168306]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  431.173666]  ? syscall_return_slowpath+0x5e0/0x5e0
[  431.178590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.183430]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.188446]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  431.193458]  ? prepare_exit_to_usermode+0x291/0x3b0
[  431.198473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.203315]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  431.208690] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  431.208753] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  431.215703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.215710] Call Trace:
[  431.222261] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  431.231524]  <IRQ>
[  431.234085] syz-executor1 cpuset=syz1 mems_allowed=0
[  431.244558]  dump_stack+0x244/0x39d
[  431.255390]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.260585]  warn_alloc.cold.116+0xb7/0x1bd
[  431.264907]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.269747]  ? lock_downgrade+0x900/0x900
[  431.273900]  ? trace_hardirqs_off+0xb8/0x310
[  431.278308]  ? trace_hardirqs_off+0xb8/0x310
[  431.282745]  __alloc_pages_slowpath+0x26e8/0x2e10
[  431.287607]  ? warn_alloc+0x120/0x120
[  431.291407]  ? warn_alloc+0x120/0x120
[  431.295210]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  431.300221]  ? warn_alloc+0x120/0x120
[  431.304025]  ? print_usage_bug+0xc0/0xc0
[  431.308093]  ? print_usage_bug+0xc0/0xc0
[  431.312151]  ? check_usage+0x1aa/0x790
[  431.316041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.321574]  ? should_fail+0x22d/0xd01
[  431.325459]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  431.331338]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.336437]  ? __lock_acquire+0x62f/0x4c20
[  431.340671]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.345770]  ? should_fail+0x22d/0xd01
[  431.349661]  ? mark_held_locks+0x130/0x130
[  431.353898]  ? mark_held_locks+0x130/0x130
[  431.358128]  ? print_usage_bug+0xc0/0xc0
[  431.362191]  ? find_held_lock+0x36/0x1c0
[  431.366247]  ? zap_class+0x640/0x640
[  431.369958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.375499]  ? check_preemption_disabled+0x48/0x280
[  431.380520]  ? __lock_is_held+0xb5/0x140
[  431.384581]  __alloc_pages_nodemask+0xa80/0xde0
[  431.389242]  ? zap_class+0x640/0x640
[  431.392954]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  431.397991]  ? find_held_lock+0x36/0x1c0
[  431.402058]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.406723]  ? lock_downgrade+0x900/0x900
[  431.410870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.416405]  cache_grow_begin+0xa5/0x8c0
[  431.420457]  ? do_raw_spin_unlock+0xa7/0x330
[  431.424864]  fallback_alloc+0x204/0x2e0
[  431.428843]  ____cache_alloc_node+0x1c7/0x1e0
[  431.433344]  kmem_cache_alloc_node+0xe3/0x730
[  431.437837]  ? mark_held_locks+0xc7/0x130
[  431.441993]  __alloc_skb+0x119/0x770
[  431.445711]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.450114]  ? do_raw_spin_trylock+0x270/0x270
[  431.454693]  ? kmem_cache_alloc_trace+0x353/0x750
[  431.459534]  ? queue_work_on+0x12c/0x1e0
[  431.463597]  ? switchdev_port_obj_del+0xdc/0x440
[  431.468353]  ? switchdev_trans_item_enqueue+0x260/0x260
[  431.473714]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  431.478733]  __br_mdb_notify+0x4ff/0x15d0
[  431.482884]  ? __br_mdb_add+0x7f0/0x7f0
[  431.486863]  ? zap_class+0x640/0x640
[  431.490584]  ? br_multicast_group_expired+0x96/0x610
[  431.495679]  ? lock_downgrade+0x900/0x900
[  431.499827]  br_mdb_notify+0x310/0x410
[  431.504229]  ? br_mdb_dump+0x27b0/0x27b0
[  431.508292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.513830]  br_multicast_group_expired+0x1bc/0x610
[  431.518844]  ? br_mdb_free+0x80/0x80
[  431.522566]  call_timer_fn+0x272/0x920
[  431.526448]  ? br_mdb_free+0x80/0x80
[  431.530155]  ? process_timeout+0x40/0x40
[  431.534224]  ? mark_held_locks+0xc7/0x130
[  431.538369]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.542854]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.547345]  ? br_mdb_free+0x80/0x80
[  431.551057]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.555633]  ? trace_hardirqs_on+0xbd/0x310
[  431.559946]  ? kasan_check_read+0x11/0x20
[  431.564103]  ? __run_timers+0x7da/0xc70
[  431.568071]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.573173]  ? br_mdb_free+0x80/0x80
[  431.576885]  ? br_mdb_free+0x80/0x80
[  431.581038]  __run_timers+0x7e5/0xc70
[  431.584842]  ? timer_fixup_init+0x70/0x70
[  431.588991]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  431.594011]  ? zap_class+0x640/0x640
[  431.597723]  ? print_usage_bug+0xc0/0xc0
[  431.601783]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  431.606981]  ? find_held_lock+0x36/0x1c0
[  431.611049]  ? zap_class+0x640/0x640
[  431.614764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.620310]  ? check_preemption_disabled+0x48/0x280
[  431.625337]  ? __lock_is_held+0xb5/0x140
[  431.629398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.634940]  ? check_preemption_disabled+0x48/0x280
[  431.639969]  run_timer_softirq+0x52/0xb0
[  431.644032]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.649355]  __do_softirq+0x308/0xb7e
[  431.653158]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  431.657646]  ? lock_downgrade+0x900/0x900
[  431.661792]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.666896]  ? pvclock_read_flags+0x160/0x160
[  431.671389]  ? lapic_next_event+0x5a/0x90
[  431.675537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.681072]  ? kvm_clock_read+0x18/0x30
[  431.685042]  ? kvm_sched_clock_read+0x9/0x20
[  431.689448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.694989]  ? check_preemption_disabled+0x48/0x280
[  431.700021]  irq_exit+0x17f/0x1c0
[  431.703472]  smp_apic_timer_interrupt+0x1cb/0x760
[  431.708317]  ? smp_call_function_single_interrupt+0x650/0x650
[  431.714201]  ? interrupt_entry+0xb5/0xc0
[  431.718259]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.723272]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.728283]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.733120]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.738133]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.743196]  ? task_prio+0x50/0x50
[  431.746733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.752277]  ? check_preemption_disabled+0x48/0x280
[  431.757294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.762138]  apic_timer_interrupt+0xf/0x20
[  431.766361]  </IRQ>
[  431.768598] RIP: 0010:dump_stack+0x358/0x39d
[  431.773005] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  431.791897] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  431.799613] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  431.806874] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  431.814134] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  431.821398] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  431.828660] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  431.835942]  ? dump_stack+0x34f/0x39d
[  431.839752]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.844949]  ? mark_held_locks+0x130/0x130
[  431.849183]  ? mark_held_locks+0x130/0x130
[  431.853420]  dump_header+0x27b/0xf72
[  431.857141]  ? pagefault_out_of_memory+0x197/0x197
[  431.862071]  ? __lock_acquire+0x62f/0x4c20
[  431.866305]  ? percpu_ref_get_many+0x240/0x240
[  431.870884]  ? print_usage_bug+0xc0/0xc0
[  431.874955]  ? zap_class+0x640/0x640
[  431.878668]  ? print_usage_bug+0xc0/0xc0
[  431.882725]  ? print_usage_bug+0xc0/0xc0
[  431.886785]  ? zap_class+0x640/0x640
[  431.890496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.896031]  ? find_held_lock+0x36/0x1c0
[  431.900100]  ? mark_held_locks+0xc7/0x130
[  431.904243]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.909343]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.914445]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.919027]  ? trace_hardirqs_on+0xbd/0x310
[  431.923349]  ? kasan_check_read+0x11/0x20
[  431.927493]  ? ___ratelimit+0x3b4/0x672
[  431.931467]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.936565]  ? trace_hardirqs_on+0x310/0x310
[  431.940976]  ? lock_downgrade+0x900/0x900
[  431.945214]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.950313]  ? ___ratelimit+0x3b9/0x672
[  431.954283]  ? idr_get_free+0xf70/0xf70
[  431.958253]  ? find_held_lock+0x36/0x1c0
[  431.962318]  oom_kill_process.cold.27+0x10/0x903
[  431.967068]  ? zap_class+0x640/0x640
[  431.970775]  ? check_preemption_disabled+0x48/0x280
[  431.975792]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.980718]  ? kasan_check_read+0x11/0x20
[  431.984859]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.990131]  ? oom_evaluate_task+0x540/0x540
[  431.994536]  ? find_held_lock+0x36/0x1c0
[  431.998602]  ? out_of_memory+0x974/0x1430
[  432.002749]  ? lock_downgrade+0x900/0x900
[  432.006889]  ? check_preemption_disabled+0x48/0x280
[  432.011906]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.016835]  ? kasan_check_read+0x11/0x20
[  432.020977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.026249]  ? rcu_softirq_qs+0x20/0x20
[  432.030224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.035756]  ? oom_evaluate_task+0x302/0x540
[  432.040168]  out_of_memory+0xa84/0x1430
[  432.044150]  ? oom_killer_disable+0x3a0/0x3a0
[  432.048647]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  432.053575]  ? __ww_mutex_check_waiters+0x160/0x160
[  432.058596]  __alloc_pages_slowpath+0x2354/0x2e10
[  432.063459]  ? warn_alloc+0x120/0x120
[  432.067252]  ? mark_held_locks+0x130/0x130
[  432.071486]  ? find_get_entry+0xaae/0x1120
[  432.075727]  ? filemap_map_pages+0x1a20/0x1a20
[  432.080310]  ? zap_class+0x640/0x640
[  432.084024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.089560]  ? check_preemption_disabled+0x48/0x280
[  432.094574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.100107]  ? should_fail+0x22d/0xd01
[  432.103994]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.109107]  ? zap_class+0x640/0x640
[  432.112839]  ? __lock_is_held+0xb5/0x140
[  432.116903]  ? mark_held_locks+0x130/0x130
[  432.121146]  ? lock_release+0xa00/0xa00
[  432.125114]  ? perf_trace_sched_process_exec+0x860/0x860
[  432.130561]  ? xa_load+0x2ba/0x460
[  432.134099]  ? lock_downgrade+0x900/0x900
[  432.138247]  ? __might_sleep+0x95/0x190
[  432.142226]  __alloc_pages_nodemask+0xa80/0xde0
[  432.146895]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  432.151917]  ? __page_cache_alloc+0x191/0x5c0
[  432.156407]  ? xa_load+0x2e1/0x460
[  432.159955]  ? xa_clear_mark+0x40/0x40
[  432.163838]  ? zap_class+0x640/0x640
[  432.167556]  ? zap_class+0x640/0x640
[  432.171261]  ? zap_class+0x640/0x640
[  432.174969]  ? __do_page_cache_readahead+0x663/0x810
[  432.180429]  ? find_held_lock+0x36/0x1c0
[  432.184491]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  432.190056]  alloc_pages_current+0x173/0x350
[  432.194464]  __page_cache_alloc+0x38c/0x5c0
[  432.198777]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.203872]  ? kasan_check_read+0x11/0x20
[  432.208029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.213304]  ? generic_perform_write+0x6a0/0x6a0
[  432.218055]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.223591]  ? check_preemption_disabled+0x48/0x280
[  432.228611]  filemap_fault+0x1595/0x25f0
[  432.232858]  ? __lock_page_or_retry+0xa00/0xa00
[  432.237527]  ? mark_held_locks+0x130/0x130
[  432.241766]  ? filemap_map_pages+0xd6b/0x1a20
[  432.246259]  ? lock_downgrade+0x900/0x900
[  432.250401]  ? check_preemption_disabled+0x48/0x280
[  432.255416]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.260343]  ? kasan_check_read+0x11/0x20
[  432.264488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.269756]  ? rcu_softirq_qs+0x20/0x20
[  432.273738]  ? filemap_map_pages+0xd92/0x1a20
[  432.278232]  ? print_usage_bug+0xc0/0xc0
[  432.282299]  ? find_get_entries_tag+0x1400/0x1400
[  432.287135]  ? __kasan_slab_free+0x102/0x150
[  432.291538]  ? kasan_slab_free+0xe/0x10
[  432.295510]  ? kmem_cache_free+0x83/0x290
[  432.299652]  ? __sigqueue_free.part.29+0x74/0x90
[  432.304417]  ? lock_acquire+0x1ed/0x520
[  432.308384]  ? ext4_filemap_fault+0x7a/0xad
[  432.312709]  ? lock_release+0xa00/0xa00
[  432.316684]  ? perf_trace_sched_process_exec+0x860/0x860
[  432.322128]  ? print_usage_bug+0xc0/0xc0
[  432.326189]  ? print_usage_bug+0xc0/0xc0
[  432.330255]  ? down_read+0x8d/0x120
[  432.333872]  ? ext4_filemap_fault+0x7a/0xad
[  432.338199]  ? __down_interruptible+0x700/0x700
[  432.342871]  ext4_filemap_fault+0x82/0xad
[  432.347025]  __do_fault+0x100/0x6b0
[  432.350653]  ? pmd_devmap_trans_unstable+0x220/0x220
[  432.355752]  ? mark_held_locks+0x130/0x130
[  432.360767]  ? mark_held_locks+0x130/0x130
[  432.364995]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  432.370528]  ? rcu_pm_notify+0xc0/0xc0
[  432.374419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.379961]  __handle_mm_fault+0x3ea0/0x5be0
[  432.384375]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  432.389208]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.393697]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.398274]  ? trace_hardirqs_on+0xbd/0x310
[  432.402589]  ? kasan_check_read+0x11/0x20
[  432.406730]  ? __set_current_blocked+0xdf/0x120
[  432.411397]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.416508]  ? zap_class+0x640/0x640
[  432.420215]  ? zap_class+0x640/0x640
[  432.423931]  ? find_held_lock+0x36/0x1c0
[  432.427999]  ? handle_mm_fault+0x42a/0xc70
[  432.432229]  ? lock_downgrade+0x900/0x900
[  432.436370]  ? check_preemption_disabled+0x48/0x280
[  432.441382]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.446307]  ? kasan_check_read+0x11/0x20
[  432.450450]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.455723]  ? rcu_softirq_qs+0x20/0x20
[  432.459691]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.464789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.470322]  ? check_preemption_disabled+0x48/0x280
[  432.475337]  handle_mm_fault+0x54f/0xc70
[  432.479398]  ? __handle_mm_fault+0x5be0/0x5be0
[  432.483978]  ? find_vma+0x34/0x190
[  432.487518]  __do_page_fault+0x5e8/0xe60
[  432.491579]  ? exit_to_usermode_loop+0x1f4/0x380
[  432.496340]  do_page_fault+0xf2/0x7e0
[  432.500141]  ? vmalloc_sync_all+0x30/0x30
[  432.504710]  ? error_entry+0x70/0xd0
[  432.508421]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.513609]  ? trace_hardirqs_on_caller+0xc0/0x310
[  432.518546]  ? syscall_return_slowpath+0x5e0/0x5e0
[  432.523475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.528313]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.533322]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.538772]  ? prepare_exit_to_usermode+0x291/0x3b0
[  432.543785]  ? page_fault+0x8/0x30
[  432.547325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.552161]  ? page_fault+0x8/0x30
[  432.555697]  page_fault+0x1e/0x30
[  432.559145] RIP: 0033:0x45db60
[  432.562343] Code: Bad RIP value.
[  432.565702] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  432.571057] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  432.578318] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  432.585580] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  432.592843] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  432.600113] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  432.607393] warn_alloc_show_mem: 1 callbacks suppressed
[  432.607407] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  432.607409] Mem-Info:
[  432.607438] active_anon:52805 inactive_anon:249 isolated_anon:0
[  432.607438]  active_file:17 inactive_file:10 isolated_file:0
[  432.607438]  unevictable:0 dirty:0 writeback:0 unstable:0
[  432.607438]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  432.607438]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  432.607438]  free:13758 free_pcp:272 free_cma:0
[  432.612774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.612781] Call Trace:
[  432.620144] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  432.622533]  <IRQ>
[  432.655397] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  432.664749]  dump_stack+0x244/0x39d
[  432.667300] lowmem_reserve[]: 0 2818 6321 6321
[  432.695371]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.697494] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  432.723603]  warn_alloc.cold.116+0xb7/0x1bd
[  432.727189] lowmem_reserve[]: 0 0 3503 3503
[  432.731763]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.736922] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  432.764237]  ? lock_downgrade+0x900/0x900
[  432.768524] lowmem_reserve[]: 0 0 0 0
[  432.772844]  ? trace_hardirqs_off+0xb8/0x310
[  432.777650] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  432.806529]  ? trace_hardirqs_off+0xb8/0x310
[  432.810646] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  432.814442]  __alloc_pages_slowpath+0x26e8/0x2e10
[  432.818814] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  432.832351]  ? warn_alloc+0x120/0x120
[  432.836717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  432.851876]  ? print_usage_bug+0xc0/0xc0
[  432.856698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  432.872108]  ? warn_alloc+0x120/0x120
[  432.875877] 326 total pagecache pages
[  432.884701]  ? warn_alloc+0x120/0x120
[  432.888738] 0 pages in swap cache
[  432.897295]  ? print_usage_bug+0xc0/0xc0
[  432.901061] Swap cache stats: add 0, delete 0, find 0/0
[  432.901069] Free swap  = 0kB
[  432.904862]  ? kvm_clock_read+0x18/0x30
[  432.908631] Total swap = 0kB
[  432.912072]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  432.916101] 1965979 pages RAM
[  432.921452]  ? print_usage_bug+0xc0/0xc0
[  432.924438] 0 pages HighMem/MovableOnly
[  432.924446] 342854 pages reserved
[  432.928409]  ? __lock_acquire+0x62f/0x4c20
[  432.931398] 0 pages cma reserved
[  432.936406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.939622] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.943531]  ? should_fail+0x22d/0xd01
[  432.947475] syz-fuzzer cpuset=/ mems_allowed=0
[  432.950918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.987892]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.992993]  ? __lock_acquire+0x62f/0x4c20
[  432.997228]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.002326]  ? __lock_acquire+0x62f/0x4c20
[  433.006552]  ? should_fail+0x22d/0xd01
[  433.010430]  ? rcu_irq_exit+0x1a2/0x390
[  433.014409]  ? mark_held_locks+0x130/0x130
[  433.018642]  ? mark_held_locks+0x130/0x130
[  433.022876]  ? mark_held_locks+0xc7/0x130
[  433.027024]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  433.032037]  ? zap_class+0x640/0x640
[  433.035745]  ? print_usage_bug+0xc0/0xc0
[  433.039806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.045345]  ? check_preemption_disabled+0x48/0x280
[  433.050373]  ? __lock_is_held+0xb5/0x140
[  433.054437]  __alloc_pages_nodemask+0xa80/0xde0
[  433.059103]  ? zap_class+0x640/0x640
[  433.062823]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  433.067860]  ? find_held_lock+0x36/0x1c0
[  433.071942]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.076623]  ? lock_downgrade+0x900/0x900
[  433.080788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.086325]  cache_grow_begin+0xa5/0x8c0
[  433.090382]  ? do_raw_spin_unlock+0xa7/0x330
[  433.094797]  fallback_alloc+0x204/0x2e0
[  433.098771]  ____cache_alloc_node+0x1c7/0x1e0
[  433.103264]  kmem_cache_alloc_node+0xe3/0x730
[  433.107757]  ? ipv6_get_ifaddr+0x42e/0x620
[  433.111996]  __alloc_skb+0x119/0x770
[  433.115703]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.120982]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.125387]  ? lock_downgrade+0x900/0x900
[  433.129540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.135070]  ? refcount_sub_and_test_checked+0x203/0x310
[  433.140516]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  433.145960]  ? addrconf_rs_timer+0x690/0x690
[  433.150378]  ndisc_alloc_skb+0x144/0x340
[  433.154441]  ndisc_send_rs+0x331/0x6e0
[  433.158327]  addrconf_rs_timer+0x314/0x690
[  433.162558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.166800]  call_timer_fn+0x272/0x920
[  433.170687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.174923]  ? process_timeout+0x40/0x40
[  433.178987]  ? __run_timers+0x7da/0xc70
[  433.182964]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.187454]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.191942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.196176]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.200758]  ? trace_hardirqs_on+0xbd/0x310
[  433.205071]  ? kasan_check_read+0x11/0x20
[  433.209211]  ? __run_timers+0x7da/0xc70
[  433.213180]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.218291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.222521]  __run_timers+0x7e5/0xc70
[  433.226327]  ? timer_fixup_init+0x70/0x70
[  433.230476]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.235491]  ? zap_class+0x640/0x640
[  433.239201]  ? enqueue_hrtimer+0x1a5/0x560
[  433.243432]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.248622]  ? find_held_lock+0x36/0x1c0
[  433.252684]  ? zap_class+0x640/0x640
[  433.256398]  ? pvclock_read_flags+0x160/0x160
[  433.260891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.266421]  ? check_preemption_disabled+0x48/0x280
[  433.271440]  ? __lock_is_held+0xb5/0x140
[  433.275501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.281032]  ? check_preemption_disabled+0x48/0x280
[  433.286051]  run_timer_softirq+0x52/0xb0
[  433.290106]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.295117]  __do_softirq+0x308/0xb7e
[  433.298916]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  433.303405]  ? lock_downgrade+0x900/0x900
[  433.307557]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.312660]  ? pvclock_read_flags+0x160/0x160
[  433.317151]  ? lapic_next_event+0x5a/0x90
[  433.321295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.326843]  ? kvm_clock_read+0x18/0x30
[  433.330818]  ? kvm_sched_clock_read+0x9/0x20
[  433.335221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.340756]  ? check_preemption_disabled+0x48/0x280
[  433.345776]  irq_exit+0x17f/0x1c0
[  433.349228]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.354070]  ? smp_call_function_single_interrupt+0x159/0x650
[  433.359949]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.365830]  ? interrupt_entry+0xb5/0xc0
[  433.369885]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.374893]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.379907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.384744]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.389766]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.394777]  ? task_prio+0x50/0x50
[  433.398322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.403861]  ? check_preemption_disabled+0x48/0x280
[  433.408875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.413718]  apic_timer_interrupt+0xf/0x20
[  433.417941]  </IRQ>
[  433.420176] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  433.426058] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  433.444953] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  433.452652] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  433.459913] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  433.467173] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  433.474434] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  433.481694] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  433.488981]  ? save_stack+0xa9/0xd0
[  433.492612]  __kmalloc_node_track_caller+0x3c/0x70
[  433.497538]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  433.502610]  pskb_expand_head+0x230/0x10f0
[  433.506853]  ? memcpy+0x45/0x50
[  433.510130]  ? __copy_skb_header+0x350/0x6b0
[  433.514537]  ? skb_release_data+0x880/0x880
[  433.518852]  ? __alloc_skb+0x770/0x770
[  433.522758]  ? __lock_is_held+0xb5/0x140
[  433.526933]  ? kasan_check_write+0x14/0x20
[  433.531161]  ? __skb_clone+0x6c7/0xa00
[  433.535047]  ? __copy_skb_header+0x6b0/0x6b0
[  433.539453]  ? kmem_cache_alloc+0x33a/0x730
[  433.543782]  skb_ensure_writable+0x3dd/0x640
[  433.548193]  ? skb_checksum_setup+0xaa0/0xaa0
[  433.552683]  ? check_preemption_disabled+0x48/0x280
[  433.557698]  ? __this_cpu_preempt_check+0x1c/0x20
[  433.562531]  ? __bpf_redirect+0x54b/0xb20
[  433.566680]  bpf_clone_redirect+0x14a/0x490
[  433.571003]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  433.576032]  ? __sched_text_start+0x8/0x8
[  433.580176]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.584754]  ? retint_kernel+0x2d/0x2d
[  433.588638]  ? trace_hardirqs_on_caller+0xc0/0x310
[  433.593567]  ? find_held_lock+0x36/0x1c0
[  433.597631]  ? lock_acquire+0x1ed/0x520
[  433.601601]  ? bpf_test_run+0x3cb/0x780
[  433.605571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.611104]  ? check_preemption_disabled+0x48/0x280
[  433.616124]  ? kasan_check_read+0x11/0x20
[  433.620274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.625544]  ? rcu_softirq_qs+0x20/0x20
[  433.629518]  ? preempt_schedule+0x4d/0x60
[  433.633664]  ? ___preempt_schedule+0x16/0x18
[  433.638074]  ? bpf_test_run+0x25d/0x780
[  433.642055]  ? netlink_diag_dump+0x2a0/0x2a0
[  433.646471]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  433.651231]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.656071]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  433.661608]  ? fput+0x130/0x1a0
[  433.664882]  ? __bpf_prog_get+0x9b/0x290
[  433.668952]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.673796]  ? bpf_prog_test_run+0x130/0x1a0
[  433.678205]  ? __x64_sys_bpf+0x3d8/0x520
[  433.682260]  ? bpf_prog_get+0x20/0x20
[  433.686065]  ? do_syscall_64+0x142/0x820
[  433.690125]  ? do_syscall_64+0x1b9/0x820
[  433.694180]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  433.699543]  ? syscall_return_slowpath+0x5e0/0x5e0
[  433.704469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.709307]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.714328]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  433.719347]  ? prepare_exit_to_usermode+0x291/0x3b0
[  433.724364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.729209]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  433.734588] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  433.734652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  433.741599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.741604] Call Trace:
[  433.741610]  <IRQ>
[  433.741628]  dump_stack+0x244/0x39d
[  433.741646]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.748183] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.757466]  warn_alloc.cold.116+0xb7/0x1bd
[  433.760016] syz-executor1 cpuset=syz1 mems_allowed=0
[  433.762157]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.795614]  ? lock_downgrade+0x900/0x900
[  433.799764]  ? trace_hardirqs_off+0xb8/0x310
[  433.804182]  ? trace_hardirqs_off+0xb8/0x310
[  433.808592]  __alloc_pages_slowpath+0x26e8/0x2e10
[  433.813459]  ? warn_alloc+0x120/0x120
[  433.817259]  ? warn_alloc+0x120/0x120
[  433.821056]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.826066]  ? warn_alloc+0x120/0x120
[  433.829864]  ? print_usage_bug+0xc0/0xc0
[  433.833921]  ? print_usage_bug+0xc0/0xc0
[  433.837974]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.843165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.848701]  ? should_fail+0x22d/0xd01
[  433.852587]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.857688]  ? __lock_acquire+0x62f/0x4c20
[  433.861923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.867017]  ? should_fail+0x22d/0xd01
[  433.870913]  ? mark_held_locks+0x130/0x130
[  433.875143]  ? mark_held_locks+0x130/0x130
[  433.879374]  ? print_usage_bug+0xc0/0xc0
[  433.883435]  ? find_held_lock+0x36/0x1c0
[  433.887497]  ? zap_class+0x640/0x640
[  433.891209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.896744]  ? check_preemption_disabled+0x48/0x280
[  433.901778]  ? __lock_is_held+0xb5/0x140
[  433.905839]  __alloc_pages_nodemask+0xa80/0xde0
[  433.910500]  ? zap_class+0x640/0x640
[  433.914214]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  433.919236]  ? find_held_lock+0x36/0x1c0
[  433.923306]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.927969]  ? lock_downgrade+0x900/0x900
[  433.932122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.937658]  cache_grow_begin+0xa5/0x8c0
[  433.941713]  ? do_raw_spin_unlock+0xa7/0x330
[  433.946127]  fallback_alloc+0x204/0x2e0
[  433.950120]  ____cache_alloc_node+0x1c7/0x1e0
[  433.954613]  kmem_cache_alloc_node+0xe3/0x730
[  433.959192]  ? mark_held_locks+0xc7/0x130
[  433.963343]  __alloc_skb+0x119/0x770
[  433.967056]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.971458]  ? do_raw_spin_trylock+0x270/0x270
[  433.976057]  ? kmem_cache_alloc_trace+0x353/0x750
[  433.980899]  ? queue_work_on+0x12c/0x1e0
[  433.984959]  ? switchdev_port_obj_del+0xdc/0x440
[  433.989709]  ? switchdev_trans_item_enqueue+0x260/0x260
[  433.995156]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  434.000174]  __br_mdb_notify+0x4ff/0x15d0
[  434.004331]  ? __br_mdb_add+0x7f0/0x7f0
[  434.008309]  ? zap_class+0x640/0x640
[  434.012031]  ? br_multicast_group_expired+0x96/0x610
[  434.017127]  ? lock_downgrade+0x900/0x900
[  434.021275]  br_mdb_notify+0x310/0x410
[  434.025157]  ? br_mdb_dump+0x27b0/0x27b0
[  434.029216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.034760]  br_multicast_group_expired+0x1bc/0x610
[  434.039783]  ? br_mdb_free+0x80/0x80
[  434.043504]  call_timer_fn+0x272/0x920
[  434.047386]  ? br_mdb_free+0x80/0x80
[  434.051096]  ? process_timeout+0x40/0x40
[  434.055158]  ? mark_held_locks+0xc7/0x130
[  434.059299]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.063795]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.068286]  ? br_mdb_free+0x80/0x80
[  434.071998]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.076575]  ? trace_hardirqs_on+0xbd/0x310
[  434.080891]  ? kasan_check_read+0x11/0x20
[  434.085032]  ? __run_timers+0x7da/0xc70
[  434.089007]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.094106]  ? br_mdb_free+0x80/0x80
[  434.097819]  ? br_mdb_free+0x80/0x80
[  434.101528]  __run_timers+0x7e5/0xc70
[  434.105335]  ? timer_fixup_init+0x70/0x70
[  434.109477]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  434.114492]  ? zap_class+0x640/0x640
[  434.118203]  ? print_usage_bug+0xc0/0xc0
[  434.122259]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  434.127448]  ? find_held_lock+0x36/0x1c0
[  434.131512]  ? zap_class+0x640/0x640
[  434.135229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.140766]  ? check_preemption_disabled+0x48/0x280
[  434.145796]  ? __lock_is_held+0xb5/0x140
[  434.149853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.155389]  ? check_preemption_disabled+0x48/0x280
[  434.160402]  run_timer_softirq+0x52/0xb0
[  434.164458]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.169468]  __do_softirq+0x308/0xb7e
[  434.173268]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  434.177765]  ? lock_downgrade+0x900/0x900
[  434.181913]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.187018]  ? pvclock_read_flags+0x160/0x160
[  434.191521]  ? lapic_next_event+0x5a/0x90
[  434.195664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.201205]  ? kvm_clock_read+0x18/0x30
[  434.205177]  ? kvm_sched_clock_read+0x9/0x20
[  434.209586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.215115]  ? check_preemption_disabled+0x48/0x280
[  434.220144]  irq_exit+0x17f/0x1c0
[  434.223595]  smp_apic_timer_interrupt+0x1cb/0x760
[  434.228437]  ? smp_call_function_single_interrupt+0x650/0x650
[  434.234315]  ? interrupt_entry+0xb5/0xc0
[  434.238370]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.243383]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.248393]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.253234]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.258244]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.263251]  ? task_prio+0x50/0x50
[  434.266791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.272325]  ? check_preemption_disabled+0x48/0x280
[  434.277342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.282531]  apic_timer_interrupt+0xf/0x20
[  434.286758]  </IRQ>
[  434.288993] RIP: 0010:dump_stack+0x358/0x39d
[  434.293397] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  434.312303] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  434.320006] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  434.327267] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  434.334528] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  434.341788] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  434.349051] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  434.356331]  ? dump_stack+0x34f/0x39d
[  434.360136]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.365322]  ? mark_held_locks+0x130/0x130
[  434.369549]  ? mark_held_locks+0x130/0x130
[  434.373783]  dump_header+0x27b/0xf72
[  434.377506]  ? pagefault_out_of_memory+0x197/0x197
[  434.382542]  ? __lock_acquire+0x62f/0x4c20
[  434.386780]  ? percpu_ref_get_many+0x240/0x240
[  434.391360]  ? print_usage_bug+0xc0/0xc0
[  434.395420]  ? zap_class+0x640/0x640
[  434.399135]  ? print_usage_bug+0xc0/0xc0
[  434.403187]  ? print_usage_bug+0xc0/0xc0
[  434.407246]  ? zap_class+0x640/0x640
[  434.410956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.416489]  ? find_held_lock+0x36/0x1c0
[  434.420552]  ? mark_held_locks+0xc7/0x130
[  434.424696]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  434.429799]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  434.434895]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  434.439472]  ? trace_hardirqs_on+0xbd/0x310
[  434.443789]  ? kasan_check_read+0x11/0x20
[  434.447930]  ? ___ratelimit+0x3b4/0x672
[  434.451903]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.457003]  ? trace_hardirqs_on+0x310/0x310
[  434.461404]  ? lock_downgrade+0x900/0x900
[  434.465550]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  434.470644]  ? ___ratelimit+0x3b9/0x672
[  434.474613]  ? idr_get_free+0xf70/0xf70
[  434.478583]  ? find_held_lock+0x36/0x1c0
[  434.482647]  oom_kill_process.cold.27+0x10/0x903
[  434.487398]  ? zap_class+0x640/0x640
[  434.491110]  ? check_preemption_disabled+0x48/0x280
[  434.496122]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.501045]  ? kasan_check_read+0x11/0x20
[  434.505588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.510863]  ? oom_evaluate_task+0x540/0x540
[  434.515267]  ? find_held_lock+0x36/0x1c0
[  434.519328]  ? out_of_memory+0x974/0x1430
[  434.523472]  ? lock_downgrade+0x900/0x900
[  434.527613]  ? check_preemption_disabled+0x48/0x280
[  434.532628]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.537548]  ? kasan_check_read+0x11/0x20
[  434.541691]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.546971]  ? rcu_softirq_qs+0x20/0x20
[  434.550947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.556481]  ? oom_evaluate_task+0x302/0x540
[  434.560894]  out_of_memory+0xa84/0x1430
[  434.564873]  ? oom_killer_disable+0x3a0/0x3a0
[  434.569362]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  434.574291]  ? __ww_mutex_check_waiters+0x160/0x160
[  434.579316]  __alloc_pages_slowpath+0x2354/0x2e10
[  434.584182]  ? warn_alloc+0x120/0x120
[  434.587978]  ? mark_held_locks+0x130/0x130
[  434.592211]  ? find_get_entry+0xaae/0x1120
[  434.596452]  ? filemap_map_pages+0x1a20/0x1a20
[  434.601038]  ? zap_class+0x640/0x640
[  434.604759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.610296]  ? check_preemption_disabled+0x48/0x280
[  434.615308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.620839]  ? should_fail+0x22d/0xd01
[  434.624730]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.629832]  ? zap_class+0x640/0x640
[  434.633566]  ? __lock_is_held+0xb5/0x140
[  434.637633]  ? mark_held_locks+0x130/0x130
[  434.641865]  ? lock_release+0xa00/0xa00
[  434.645835]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.651277]  ? xa_load+0x2ba/0x460
[  434.654815]  ? lock_downgrade+0x900/0x900
[  434.658964]  ? __might_sleep+0x95/0x190
[  434.662935]  __alloc_pages_nodemask+0xa80/0xde0
[  434.667604]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.673022]  ? __page_cache_alloc+0x191/0x5c0
[  434.677513]  ? xa_load+0x2e1/0x460
[  434.681052]  ? xa_clear_mark+0x40/0x40
[  434.684938]  ? zap_class+0x640/0x640
[  434.688653]  ? zap_class+0x640/0x640
[  434.692359]  ? zap_class+0x640/0x640
[  434.696070]  ? __do_page_cache_readahead+0x663/0x810
[  434.701175]  ? find_held_lock+0x36/0x1c0
[  434.705233]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  434.710771]  alloc_pages_current+0x173/0x350
[  434.715179]  __page_cache_alloc+0x38c/0x5c0
[  434.719497]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.724418]  ? kasan_check_read+0x11/0x20
[  434.728651]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.733922]  ? generic_perform_write+0x6a0/0x6a0
[  434.738672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.744211]  ? check_preemption_disabled+0x48/0x280
[  434.749228]  filemap_fault+0x1595/0x25f0
[  434.753303]  ? __lock_page_or_retry+0xa00/0xa00
[  434.757970]  ? mark_held_locks+0x130/0x130
[  434.762209]  ? filemap_map_pages+0xd6b/0x1a20
[  434.766711]  ? lock_downgrade+0x900/0x900
[  434.770858]  ? check_preemption_disabled+0x48/0x280
[  434.775871]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.780797]  ? kasan_check_read+0x11/0x20
[  434.784938]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.790207]  ? rcu_softirq_qs+0x20/0x20
[  434.794191]  ? filemap_map_pages+0xd92/0x1a20
[  434.798686]  ? print_usage_bug+0xc0/0xc0
[  434.802758]  ? find_get_entries_tag+0x1400/0x1400
[  434.807597]  ? __kasan_slab_free+0x102/0x150
[  434.811997]  ? kasan_slab_free+0xe/0x10
[  434.815968]  ? kmem_cache_free+0x83/0x290
[  434.820113]  ? __sigqueue_free.part.29+0x74/0x90
[  434.824883]  ? lock_acquire+0x1ed/0x520
[  434.828852]  ? ext4_filemap_fault+0x7a/0xad
[  434.833173]  ? lock_release+0xa00/0xa00
[  434.837140]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.842585]  ? print_usage_bug+0xc0/0xc0
[  434.846640]  ? print_usage_bug+0xc0/0xc0
[  434.850717]  ? down_read+0x8d/0x120
[  434.854342]  ? ext4_filemap_fault+0x7a/0xad
[  434.858657]  ? __down_interruptible+0x700/0x700
[  434.863334]  ext4_filemap_fault+0x82/0xad
[  434.867481]  __do_fault+0x100/0x6b0
[  434.871108]  ? pmd_devmap_trans_unstable+0x220/0x220
[  434.876207]  ? mark_held_locks+0x130/0x130
[  434.880442]  ? mark_held_locks+0x130/0x130
[  434.884676]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  434.890216]  ? rcu_pm_notify+0xc0/0xc0
[  434.894109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.899649]  __handle_mm_fault+0x3ea0/0x5be0
[  434.904082]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  434.908921]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.913410]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  434.917987]  ? trace_hardirqs_on+0xbd/0x310
[  434.922302]  ? kasan_check_read+0x11/0x20
[  434.926444]  ? __set_current_blocked+0xdf/0x120
[  434.931108]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.936215]  ? zap_class+0x640/0x640
[  434.939921]  ? zap_class+0x640/0x640
[  434.943635]  ? find_held_lock+0x36/0x1c0
[  434.947708]  ? handle_mm_fault+0x42a/0xc70
[  434.951946]  ? lock_downgrade+0x900/0x900
[  434.956091]  ? check_preemption_disabled+0x48/0x280
[  434.961102]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.966030]  ? kasan_check_read+0x11/0x20
[  434.970174]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.975449]  ? rcu_softirq_qs+0x20/0x20
[  434.979416]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.984515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.990051]  ? check_preemption_disabled+0x48/0x280
[  434.995245]  handle_mm_fault+0x54f/0xc70
[  434.999301]  ? __handle_mm_fault+0x5be0/0x5be0
[  435.003880]  ? find_vma+0x34/0x190
[  435.007422]  __do_page_fault+0x5e8/0xe60
[  435.011479]  ? exit_to_usermode_loop+0x1f4/0x380
[  435.016239]  do_page_fault+0xf2/0x7e0
[  435.020036]  ? vmalloc_sync_all+0x30/0x30
[  435.024177]  ? error_entry+0x70/0xd0
[  435.027886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.032898]  ? trace_hardirqs_on_caller+0xc0/0x310
[  435.037819]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.042746]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.047582]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.052595]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  435.058044]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.063057]  ? page_fault+0x8/0x30
[  435.066599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.071436]  ? page_fault+0x8/0x30
[  435.074975]  page_fault+0x1e/0x30
[  435.078421] RIP: 0033:0x45db60
[  435.081620] Code: Bad RIP value.
[  435.084974] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  435.090328] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  435.097594] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  435.104855] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  435.112120] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  435.119382] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  435.126672] warn_alloc_show_mem: 1 callbacks suppressed
[  435.126682] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  435.126683] Mem-Info:
[  435.126718] active_anon:52805 inactive_anon:249 isolated_anon:0
[  435.126718]  active_file:17 inactive_file:10 isolated_file:0
[  435.126718]  unevictable:0 dirty:0 writeback:0 unstable:0
[  435.126718]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  435.126718]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  435.126718]  free:13758 free_pcp:272 free_cma:0
[  435.132048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.132055] Call Trace:
[  435.139413] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  435.141800]  <IRQ>
[  435.174763] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  435.184109]  dump_stack+0x244/0x39d
[  435.186669] lowmem_reserve[]: 0 2818 6321 6321
[  435.214246]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.216365] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  435.242473]  warn_alloc.cold.116+0xb7/0x1bd
[  435.246063] lowmem_reserve[]: 0 0 3503 3503
[  435.250640]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.255803] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  435.283116]  ? lock_downgrade+0x900/0x900
[  435.287404] lowmem_reserve[]: 0 0 0 0
[  435.291720]  ? trace_hardirqs_off+0xb8/0x310
[  435.296527] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  435.325402]  ? trace_hardirqs_off+0xb8/0x310
[  435.329518] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  435.333315]  __alloc_pages_slowpath+0x26e8/0x2e10
[  435.337694] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  435.351231]  ? warn_alloc+0x120/0x120
[  435.355594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  435.370749]  ? print_usage_bug+0xc0/0xc0
[  435.375565] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  435.390977]  ? warn_alloc+0x120/0x120
[  435.394746] 326 total pagecache pages
[  435.403566]  ? warn_alloc+0x120/0x120
[  435.407607] 0 pages in swap cache
[  435.416159]  ? print_usage_bug+0xc0/0xc0
[  435.419932] Swap cache stats: add 0, delete 0, find 0/0
[  435.423715]  ? kvm_clock_read+0x18/0x30
[  435.427483] Free swap  = 0kB
[  435.430923]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  435.434955] Total swap = 0kB
[  435.440301]  ? print_usage_bug+0xc0/0xc0
[  435.444245] 1965979 pages RAM
[  435.447251]  ? __lock_acquire+0x62f/0x4c20
[  435.452237] 0 pages HighMem/MovableOnly
[  435.455241]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.459264] 342854 pages reserved
[  435.459271] 0 pages cma reserved
[  435.462365]  ? should_fail+0x22d/0xd01
[  435.466734] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  435.470528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.476035] syz-fuzzer cpuset=/ mems_allowed=0
[  435.479475]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.512241]  ? __lock_acquire+0x62f/0x4c20
[  435.516476]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.521574]  ? __lock_acquire+0x62f/0x4c20
[  435.525800]  ? should_fail+0x22d/0xd01
[  435.529684]  ? rcu_irq_exit+0x1a2/0x390
[  435.533669]  ? mark_held_locks+0x130/0x130
[  435.537906]  ? mark_held_locks+0x130/0x130
[  435.542142]  ? mark_held_locks+0xc7/0x130
[  435.546291]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  435.551305]  ? zap_class+0x640/0x640
[  435.555011]  ? print_usage_bug+0xc0/0xc0
[  435.559069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.564606]  ? check_preemption_disabled+0x48/0x280
[  435.569642]  ? __lock_is_held+0xb5/0x140
[  435.573704]  __alloc_pages_nodemask+0xa80/0xde0
[  435.578370]  ? zap_class+0x640/0x640
[  435.582082]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  435.587120]  ? find_held_lock+0x36/0x1c0
[  435.591191]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.595860]  ? lock_downgrade+0x900/0x900
[  435.600009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.605543]  cache_grow_begin+0xa5/0x8c0
[  435.609598]  ? do_raw_spin_unlock+0xa7/0x330
[  435.614017]  fallback_alloc+0x204/0x2e0
[  435.617991]  ____cache_alloc_node+0x1c7/0x1e0
[  435.622487]  kmem_cache_alloc_node+0xe3/0x730
[  435.626980]  ? ipv6_get_ifaddr+0x42e/0x620
[  435.631217]  __alloc_skb+0x119/0x770
[  435.634924]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.640205]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.644611]  ? lock_downgrade+0x900/0x900
[  435.648765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.654299]  ? refcount_sub_and_test_checked+0x203/0x310
[  435.659747]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  435.665191]  ? addrconf_rs_timer+0x690/0x690
[  435.669603]  ndisc_alloc_skb+0x144/0x340
[  435.673670]  ndisc_send_rs+0x331/0x6e0
[  435.677558]  addrconf_rs_timer+0x314/0x690
[  435.682057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.686299]  call_timer_fn+0x272/0x920
[  435.690181]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.694412]  ? process_timeout+0x40/0x40
[  435.698474]  ? __run_timers+0x7da/0xc70
[  435.702444]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.706934]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.711421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.715653]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.720232]  ? trace_hardirqs_on+0xbd/0x310
[  435.724545]  ? kasan_check_read+0x11/0x20
[  435.728688]  ? __run_timers+0x7da/0xc70
[  435.732659]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.737758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.741991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.746219]  __run_timers+0x7e5/0xc70
[  435.750021]  ? timer_fixup_init+0x70/0x70
[  435.754169]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  435.759182]  ? zap_class+0x640/0x640
[  435.762893]  ? enqueue_hrtimer+0x1a5/0x560
[  435.767124]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  435.772322]  ? find_held_lock+0x36/0x1c0
[  435.776386]  ? zap_class+0x640/0x640
[  435.780101]  ? pvclock_read_flags+0x160/0x160
[  435.784593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.790133]  ? check_preemption_disabled+0x48/0x280
[  435.795164]  ? __lock_is_held+0xb5/0x140
[  435.799235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.804852]  ? check_preemption_disabled+0x48/0x280
[  435.809871]  run_timer_softirq+0x52/0xb0
[  435.813926]  ? rcu_read_lock_sched_held+0x14f/0x180
[  435.818938]  __do_softirq+0x308/0xb7e
[  435.822736]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  435.827228]  ? lock_downgrade+0x900/0x900
[  435.831372]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  435.836476]  ? pvclock_read_flags+0x160/0x160
[  435.840966]  ? lapic_next_event+0x5a/0x90
[  435.845113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.850653]  ? kvm_clock_read+0x18/0x30
[  435.854630]  ? kvm_sched_clock_read+0x9/0x20
[  435.859046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.864580]  ? check_preemption_disabled+0x48/0x280
[  435.869612]  irq_exit+0x17f/0x1c0
[  435.873059]  smp_apic_timer_interrupt+0x1cb/0x760
[  435.877896]  ? smp_call_function_single_interrupt+0x159/0x650
[  435.883776]  ? smp_call_function_single_interrupt+0x650/0x650
[  435.889652]  ? interrupt_entry+0xb5/0xc0
[  435.893709]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.898718]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.903730]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.908566]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.913578]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.918597]  ? task_prio+0x50/0x50
[  435.922145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.927677]  ? check_preemption_disabled+0x48/0x280
[  435.932700]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.937556]  apic_timer_interrupt+0xf/0x20
[  435.941780]  </IRQ>
[  435.944012] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  435.949895] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  435.968791] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  435.976489] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  435.983752] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  435.991015] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  435.998279] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  436.005544] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  436.012836]  ? save_stack+0xa9/0xd0
[  436.016468]  __kmalloc_node_track_caller+0x3c/0x70
[  436.021398]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  436.026156]  pskb_expand_head+0x230/0x10f0
[  436.030393]  ? memcpy+0x45/0x50
[  436.033670]  ? __copy_skb_header+0x350/0x6b0
[  436.038076]  ? skb_release_data+0x880/0x880
[  436.042394]  ? __alloc_skb+0x770/0x770
[  436.046286]  ? __lock_is_held+0xb5/0x140
[  436.050348]  ? kasan_check_write+0x14/0x20
[  436.054576]  ? __skb_clone+0x6c7/0xa00
[  436.058465]  ? __copy_skb_header+0x6b0/0x6b0
[  436.062869]  ? kmem_cache_alloc+0x33a/0x730
[  436.067196]  skb_ensure_writable+0x3dd/0x640
[  436.071609]  ? skb_checksum_setup+0xaa0/0xaa0
[  436.076104]  ? check_preemption_disabled+0x48/0x280
[  436.081129]  ? __this_cpu_preempt_check+0x1c/0x20
[  436.085967]  ? __bpf_redirect+0x54b/0xb20
[  436.090117]  bpf_clone_redirect+0x14a/0x490
[  436.094445]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  436.099460]  ? __sched_text_start+0x8/0x8
[  436.103613]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.108191]  ? retint_kernel+0x2d/0x2d
[  436.112072]  ? trace_hardirqs_on_caller+0xc0/0x310
[  436.116999]  ? find_held_lock+0x36/0x1c0
[  436.121068]  ? lock_acquire+0x1ed/0x520
[  436.125037]  ? bpf_test_run+0x3cb/0x780
[  436.129008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.134541]  ? check_preemption_disabled+0x48/0x280
[  436.139557]  ? kasan_check_read+0x11/0x20
[  436.143730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.149005]  ? rcu_softirq_qs+0x20/0x20
[  436.152981]  ? preempt_schedule+0x4d/0x60
[  436.157126]  ? ___preempt_schedule+0x16/0x18
[  436.161539]  ? bpf_test_run+0x25d/0x780
[  436.165518]  ? netlink_diag_dump+0x2a0/0x2a0
[  436.169935]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  436.174701]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  436.179539]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  436.185071]  ? fput+0x130/0x1a0
[  436.188346]  ? __bpf_prog_get+0x9b/0x290
[  436.192403]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  436.197242]  ? bpf_prog_test_run+0x130/0x1a0
[  436.201649]  ? __x64_sys_bpf+0x3d8/0x520
[  436.205703]  ? bpf_prog_get+0x20/0x20
[  436.209507]  ? do_syscall_64+0x142/0x820
[  436.213573]  ? do_syscall_64+0x1b9/0x820
[  436.217636]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  436.222995]  ? syscall_return_slowpath+0x5e0/0x5e0
[  436.227917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.232758]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.237774]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  436.242809]  ? prepare_exit_to_usermode+0x291/0x3b0
[  436.247825]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.252673]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  436.258050] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  436.258115] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  436.265065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  436.265072] Call Trace:
[  436.271630] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.280881]  <IRQ>
[  436.283449] syz-executor1 cpuset=syz1 mems_allowed=0
[  436.293921]  dump_stack+0x244/0x39d
[  436.304763]  ? dump_stack_print_info.cold.1+0x20/0x20
[  436.309961]  warn_alloc.cold.116+0xb7/0x1bd
[  436.314282]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  436.319121]  ? lock_downgrade+0x900/0x900
[  436.323270]  ? trace_hardirqs_off+0xb8/0x310
[  436.327690]  ? trace_hardirqs_off+0xb8/0x310
[  436.332100]  __alloc_pages_slowpath+0x26e8/0x2e10
[  436.336962]  ? warn_alloc+0x120/0x120
[  436.340762]  ? warn_alloc+0x120/0x120
[  436.344563]  ? warn_alloc+0x120/0x120
[  436.348371]  ? print_usage_bug+0xc0/0xc0
[  436.352429]  ? print_usage_bug+0xc0/0xc0
[  436.356489]  ? mark_held_locks+0x130/0x130
[  436.360727]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.366271]  ? should_fail+0x22d/0xd01
[  436.370160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.375261]  ? __lock_acquire+0x62f/0x4c20
[  436.379508]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.384607]  ? should_fail+0x22d/0xd01
[  436.388500]  ? mark_held_locks+0x130/0x130
[  436.392734]  ? mark_held_locks+0x130/0x130
[  436.396962]  ? print_usage_bug+0xc0/0xc0
[  436.401022]  ? find_held_lock+0x36/0x1c0
[  436.405077]  ? zap_class+0x640/0x640
[  436.408795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.414327]  ? check_preemption_disabled+0x48/0x280
[  436.419346]  ? __lock_is_held+0xb5/0x140
[  436.423408]  __alloc_pages_nodemask+0xa80/0xde0
[  436.428073]  ? zap_class+0x640/0x640
[  436.431784]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  436.436805]  ? find_held_lock+0x36/0x1c0
[  436.440874]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.445538]  ? lock_downgrade+0x900/0x900
[  436.449696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.455233]  cache_grow_begin+0xa5/0x8c0
[  436.459287]  ? do_raw_spin_unlock+0xa7/0x330
[  436.463696]  fallback_alloc+0x204/0x2e0
[  436.467671]  ____cache_alloc_node+0x1c7/0x1e0
[  436.472169]  kmem_cache_alloc_node+0xe3/0x730
[  436.476672]  ? mark_held_locks+0xc7/0x130
[  436.480827]  __alloc_skb+0x119/0x770
[  436.484545]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.488953]  ? do_raw_spin_trylock+0x270/0x270
[  436.493533]  ? kmem_cache_alloc_trace+0x353/0x750
[  436.498379]  ? queue_work_on+0x12c/0x1e0
[  436.502914]  ? switchdev_port_obj_del+0xdc/0x440
[  436.507668]  ? switchdev_trans_item_enqueue+0x260/0x260
[  436.513030]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  436.518052]  __br_mdb_notify+0x4ff/0x15d0
[  436.522209]  ? __br_mdb_add+0x7f0/0x7f0
[  436.526191]  ? zap_class+0x640/0x640
[  436.529907]  ? br_multicast_group_expired+0x96/0x610
[  436.535005]  ? lock_downgrade+0x900/0x900
[  436.539152]  br_mdb_notify+0x310/0x410
[  436.543037]  ? br_mdb_dump+0x27b0/0x27b0
[  436.547100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.552642]  br_multicast_group_expired+0x1bc/0x610
[  436.557677]  ? br_mdb_free+0x80/0x80
[  436.561398]  call_timer_fn+0x272/0x920
[  436.565279]  ? br_mdb_free+0x80/0x80
[  436.568987]  ? process_timeout+0x40/0x40
[  436.573050]  ? mark_held_locks+0xc7/0x130
[  436.577194]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.581686]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.586173]  ? br_mdb_free+0x80/0x80
[  436.589881]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.594460]  ? trace_hardirqs_on+0xbd/0x310
[  436.598775]  ? kasan_check_read+0x11/0x20
[  436.602918]  ? __run_timers+0x7da/0xc70
[  436.606889]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.611994]  ? br_mdb_free+0x80/0x80
[  436.615708]  ? br_mdb_free+0x80/0x80
[  436.619417]  __run_timers+0x7e5/0xc70
[  436.623221]  ? timer_fixup_init+0x70/0x70
[  436.627364]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.632376]  ? zap_class+0x640/0x640
[  436.636091]  ? print_usage_bug+0xc0/0xc0
[  436.640164]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.645354]  ? find_held_lock+0x36/0x1c0
[  436.649415]  ? zap_class+0x640/0x640
[  436.653128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.658673]  ? check_preemption_disabled+0x48/0x280
[  436.663692]  ? __lock_is_held+0xb5/0x140
[  436.667748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.673969]  ? check_preemption_disabled+0x48/0x280
[  436.678989]  run_timer_softirq+0x52/0xb0
[  436.683046]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.688065]  __do_softirq+0x308/0xb7e
[  436.691865]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  436.696354]  ? lock_downgrade+0x900/0x900
[  436.700498]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.705605]  ? pvclock_read_flags+0x160/0x160
[  436.710096]  ? lapic_next_event+0x5a/0x90
[  436.714242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.719780]  ? kvm_clock_read+0x18/0x30
[  436.723748]  ? kvm_sched_clock_read+0x9/0x20
[  436.728156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.733692]  ? check_preemption_disabled+0x48/0x280
[  436.738712]  irq_exit+0x17f/0x1c0
[  436.742163]  smp_apic_timer_interrupt+0x1cb/0x760
[  436.747004]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.752879]  ? interrupt_entry+0xb5/0xc0
[  436.756935]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.761945]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.766961]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.771799]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.776809]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.781822]  ? task_prio+0x50/0x50
[  436.785360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.790891]  ? check_preemption_disabled+0x48/0x280
[  436.795908]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.800754]  apic_timer_interrupt+0xf/0x20
[  436.804975]  </IRQ>
[  436.807208] RIP: 0010:dump_stack+0x358/0x39d
[  436.811614] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  436.830521] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  436.838237] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  436.845499] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  436.852766] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  436.860026] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  436.867286] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  436.874570]  ? dump_stack+0x34f/0x39d
[  436.878378]  ? dump_stack_print_info.cold.1+0x20/0x20
[  436.883572]  ? mark_held_locks+0x130/0x130
[  436.887801]  ? mark_held_locks+0x130/0x130
[  436.892044]  dump_header+0x27b/0xf72
[  436.895763]  ? pagefault_out_of_memory+0x197/0x197
[  436.900696]  ? __lock_acquire+0x62f/0x4c20
[  436.904926]  ? percpu_ref_get_many+0x240/0x240
[  436.909600]  ? print_usage_bug+0xc0/0xc0
[  436.913667]  ? zap_class+0x640/0x640
[  436.917380]  ? print_usage_bug+0xc0/0xc0
[  436.921434]  ? print_usage_bug+0xc0/0xc0
[  436.925490]  ? zap_class+0x640/0x640
[  436.929210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.934746]  ? find_held_lock+0x36/0x1c0
[  436.938813]  ? mark_held_locks+0xc7/0x130
[  436.942959]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.948060]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.953161]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.957741]  ? trace_hardirqs_on+0xbd/0x310
[  436.962058]  ? kasan_check_read+0x11/0x20
[  436.966198]  ? ___ratelimit+0x3b4/0x672
[  436.970169]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.975265]  ? trace_hardirqs_on+0x310/0x310
[  436.979669]  ? lock_downgrade+0x900/0x900
[  436.983816]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.988915]  ? ___ratelimit+0x3b9/0x672
[  436.992883]  ? idr_get_free+0xf70/0xf70
[  436.996850]  ? find_held_lock+0x36/0x1c0
[  437.000912]  oom_kill_process.cold.27+0x10/0x903
[  437.005659]  ? zap_class+0x640/0x640
[  437.009367]  ? check_preemption_disabled+0x48/0x280
[  437.014382]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.019305]  ? kasan_check_read+0x11/0x20
[  437.023446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.028733]  ? oom_evaluate_task+0x540/0x540
[  437.033138]  ? find_held_lock+0x36/0x1c0
[  437.037201]  ? out_of_memory+0x974/0x1430
[  437.041345]  ? lock_downgrade+0x900/0x900
[  437.045489]  ? check_preemption_disabled+0x48/0x280
[  437.050507]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.055442]  ? kasan_check_read+0x11/0x20
[  437.059582]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.064866]  ? rcu_softirq_qs+0x20/0x20
[  437.068842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.074370]  ? oom_evaluate_task+0x302/0x540
[  437.078777]  out_of_memory+0xa84/0x1430
[  437.082753]  ? oom_killer_disable+0x3a0/0x3a0
[  437.087243]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  437.092169]  ? __ww_mutex_check_waiters+0x160/0x160
[  437.097188]  __alloc_pages_slowpath+0x2354/0x2e10
[  437.102054]  ? warn_alloc+0x120/0x120
[  437.105858]  ? mark_held_locks+0x130/0x130
[  437.110093]  ? find_get_entry+0xaae/0x1120
[  437.114329]  ? filemap_map_pages+0x1a20/0x1a20
[  437.118910]  ? zap_class+0x640/0x640
[  437.122624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.128156]  ? check_preemption_disabled+0x48/0x280
[  437.133169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.138698]  ? should_fail+0x22d/0xd01
[  437.142588]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.147685]  ? zap_class+0x640/0x640
[  437.151416]  ? __lock_is_held+0xb5/0x140
[  437.155478]  ? mark_held_locks+0x130/0x130
[  437.159716]  ? lock_release+0xa00/0xa00
[  437.163686]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.169132]  ? xa_load+0x2ba/0x460
[  437.172666]  ? lock_downgrade+0x900/0x900
[  437.176817]  ? __might_sleep+0x95/0x190
[  437.180793]  __alloc_pages_nodemask+0xa80/0xde0
[  437.185463]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  437.190474]  ? __page_cache_alloc+0x191/0x5c0
[  437.194967]  ? xa_load+0x2e1/0x460
[  437.198514]  ? xa_clear_mark+0x40/0x40
[  437.202400]  ? zap_class+0x640/0x640
[  437.206123]  ? zap_class+0x640/0x640
[  437.209830]  ? zap_class+0x640/0x640
[  437.213541]  ? __do_page_cache_readahead+0x663/0x810
[  437.218645]  ? find_held_lock+0x36/0x1c0
[  437.222705]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  437.228242]  alloc_pages_current+0x173/0x350
[  437.232652]  __page_cache_alloc+0x38c/0x5c0
[  437.236985]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.241906]  ? kasan_check_read+0x11/0x20
[  437.246051]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.251324]  ? generic_perform_write+0x6a0/0x6a0
[  437.256073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.261604]  ? check_preemption_disabled+0x48/0x280
[  437.266621]  filemap_fault+0x1595/0x25f0
[  437.270688]  ? __lock_page_or_retry+0xa00/0xa00
[  437.275356]  ? mark_held_locks+0x130/0x130
[  437.279600]  ? filemap_map_pages+0xd6b/0x1a20
[  437.284097]  ? lock_downgrade+0x900/0x900
[  437.288239]  ? check_preemption_disabled+0x48/0x280
[  437.293251]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.298172]  ? kasan_check_read+0x11/0x20
[  437.302325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.307597]  ? rcu_softirq_qs+0x20/0x20
[  437.311580]  ? filemap_map_pages+0xd92/0x1a20
[  437.316072]  ? print_usage_bug+0xc0/0xc0
[  437.320132]  ? find_get_entries_tag+0x1400/0x1400
[  437.324965]  ? __kasan_slab_free+0x102/0x150
[  437.329368]  ? kasan_slab_free+0xe/0x10
[  437.333336]  ? kmem_cache_free+0x83/0x290
[  437.337478]  ? __sigqueue_free.part.29+0x74/0x90
[  437.342258]  ? lock_acquire+0x1ed/0x520
[  437.346226]  ? ext4_filemap_fault+0x7a/0xad
[  437.350554]  ? lock_release+0xa00/0xa00
[  437.354525]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.359971]  ? print_usage_bug+0xc0/0xc0
[  437.364027]  ? print_usage_bug+0xc0/0xc0
[  437.368092]  ? down_read+0x8d/0x120
[  437.371709]  ? ext4_filemap_fault+0x7a/0xad
[  437.376027]  ? __down_interruptible+0x700/0x700
[  437.380701]  ext4_filemap_fault+0x82/0xad
[  437.384845]  __do_fault+0x100/0x6b0
[  437.388469]  ? pmd_devmap_trans_unstable+0x220/0x220
[  437.393575]  ? mark_held_locks+0x130/0x130
[  437.397803]  ? mark_held_locks+0x130/0x130
[  437.402032]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  437.407568]  ? rcu_pm_notify+0xc0/0xc0
[  437.411456]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.416997]  __handle_mm_fault+0x3ea0/0x5be0
[  437.421409]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  437.426246]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.430736]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.435315]  ? trace_hardirqs_on+0xbd/0x310
[  437.439630]  ? kasan_check_read+0x11/0x20
[  437.443772]  ? __set_current_blocked+0xdf/0x120
[  437.448440]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.453557]  ? zap_class+0x640/0x640
[  437.457269]  ? zap_class+0x640/0x640
[  437.460982]  ? find_held_lock+0x36/0x1c0
[  437.465044]  ? handle_mm_fault+0x42a/0xc70
[  437.469277]  ? lock_downgrade+0x900/0x900
[  437.473423]  ? check_preemption_disabled+0x48/0x280
[  437.478438]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.483361]  ? kasan_check_read+0x11/0x20
[  437.487512]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.492780]  ? rcu_softirq_qs+0x20/0x20
[  437.496749]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.502349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.507886]  ? check_preemption_disabled+0x48/0x280
[  437.512903]  handle_mm_fault+0x54f/0xc70
[  437.516966]  ? __handle_mm_fault+0x5be0/0x5be0
[  437.521545]  ? find_vma+0x34/0x190
[  437.525085]  __do_page_fault+0x5e8/0xe60
[  437.529139]  ? exit_to_usermode_loop+0x1f4/0x380
[  437.533897]  do_page_fault+0xf2/0x7e0
[  437.537691]  ? vmalloc_sync_all+0x30/0x30
[  437.541836]  ? error_entry+0x70/0xd0
[  437.545549]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.550561]  ? trace_hardirqs_on_caller+0xc0/0x310
[  437.555492]  ? syscall_return_slowpath+0x5e0/0x5e0
[  437.560422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.565260]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.570280]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  437.575727]  ? prepare_exit_to_usermode+0x291/0x3b0
[  437.580737]  ? page_fault+0x8/0x30
[  437.584273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.589112]  ? page_fault+0x8/0x30
[  437.592754]  page_fault+0x1e/0x30
[  437.596203] RIP: 0033:0x45db60
[  437.599405] Code: Bad RIP value.
[  437.602777] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  437.608134] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  437.615396] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  437.622657] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  437.629917] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  437.637181] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  437.644467] warn_alloc_show_mem: 1 callbacks suppressed
[  437.644477] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  437.644479] Mem-Info:
[  437.644514] active_anon:52805 inactive_anon:249 isolated_anon:0
[  437.644514]  active_file:17 inactive_file:10 isolated_file:0
[  437.644514]  unevictable:0 dirty:0 writeback:0 unstable:0
[  437.644514]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  437.644514]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  437.644514]  free:13758 free_pcp:272 free_cma:0
[  437.649948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.657302] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  437.659688] Call Trace:
[  437.692545] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  437.701883]  <IRQ>
[  437.729435] lowmem_reserve[]: 0 2818 6321 6321
[  437.732025]  dump_stack+0x244/0x39d
[  437.758101] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  437.760248]  ? dump_stack_print_info.cold.1+0x20/0x20
[  437.764796] lowmem_reserve[]: 0 0 3503 3503
[  437.768421]  warn_alloc.cold.116+0xb7/0x1bd
[  437.795705] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  437.800884]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  437.805168] lowmem_reserve[]: 0 0 0 0
[  437.809484]  ? lock_downgrade+0x900/0x900
[  437.838342] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  437.843191]  ? trace_hardirqs_off+0xb8/0x310
[  437.846960] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  437.851106]  ? trace_hardirqs_off+0xb8/0x310
[  437.864595] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  437.869003]  __alloc_pages_slowpath+0x26e8/0x2e10
[  437.884148] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  437.888562]  ? warn_alloc+0x120/0x120
[  437.903947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  437.908770]  ? print_usage_bug+0xc0/0xc0
[  437.917575] 326 total pagecache pages
[  437.921362]  ? warn_alloc+0x120/0x120
[  437.929916] 0 pages in swap cache
[  437.933958]  ? warn_alloc+0x120/0x120
[  437.937732] Swap cache stats: add 0, delete 0, find 0/0
[  437.941515]  ? print_usage_bug+0xc0/0xc0
[  437.944936] Free swap  = 0kB
[  437.948720]  ? kvm_clock_read+0x18/0x30
[  437.954052] Total swap = 0kB
[  437.958097]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  437.961087] 1965979 pages RAM
[  437.965045]  ? print_usage_bug+0xc0/0xc0
[  437.968035] 0 pages HighMem/MovableOnly
[  437.973034]  ? __lock_acquire+0x62f/0x4c20
[  437.976110] 342854 pages reserved
[  437.980158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.984102] 0 pages cma reserved
[  437.988325]  ? should_fail+0x22d/0xd01
[  437.991881] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  437.997271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.000609] syz-fuzzer cpuset=/ mems_allowed=0
[  438.004487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.029584]  ? __lock_acquire+0x62f/0x4c20
[  438.033819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.038916]  ? __lock_acquire+0x62f/0x4c20
[  438.043147]  ? should_fail+0x22d/0xd01
[  438.047026]  ? rcu_irq_exit+0x1a2/0x390
[  438.051005]  ? mark_held_locks+0x130/0x130
[  438.055243]  ? mark_held_locks+0x130/0x130
[  438.059478]  ? mark_held_locks+0xc7/0x130
[  438.063625]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  438.068640]  ? zap_class+0x640/0x640
[  438.072348]  ? print_usage_bug+0xc0/0xc0
[  438.076411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.081953]  ? check_preemption_disabled+0x48/0x280
[  438.086986]  ? __lock_is_held+0xb5/0x140
[  438.091051]  __alloc_pages_nodemask+0xa80/0xde0
[  438.095717]  ? zap_class+0x640/0x640
[  438.099439]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  438.104466]  ? find_held_lock+0x36/0x1c0
[  438.108534]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.113198]  ? lock_downgrade+0x900/0x900
[  438.117347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.122885]  cache_grow_begin+0xa5/0x8c0
[  438.126940]  ? do_raw_spin_unlock+0xa7/0x330
[  438.131353]  fallback_alloc+0x204/0x2e0
[  438.135328]  ____cache_alloc_node+0x1c7/0x1e0
[  438.139823]  kmem_cache_alloc_node+0xe3/0x730
[  438.144311]  ? ipv6_get_ifaddr+0x42e/0x620
[  438.148553]  __alloc_skb+0x119/0x770
[  438.152262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.157539]  ? netdev_alloc_frag+0x1f0/0x1f0
[  438.161941]  ? lock_downgrade+0x900/0x900
[  438.166094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.171628]  ? refcount_sub_and_test_checked+0x203/0x310
[  438.177090]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  438.182535]  ? addrconf_rs_timer+0x690/0x690
[  438.186955]  ndisc_alloc_skb+0x144/0x340
[  438.191015]  ndisc_send_rs+0x331/0x6e0
[  438.194903]  addrconf_rs_timer+0x314/0x690
[  438.199139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.203376]  call_timer_fn+0x272/0x920
[  438.207256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.211485]  ? process_timeout+0x40/0x40
[  438.215546]  ? __run_timers+0x7da/0xc70
[  438.219524]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.224011]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.228501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.232731]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.237309]  ? trace_hardirqs_on+0xbd/0x310
[  438.241630]  ? kasan_check_read+0x11/0x20
[  438.245769]  ? __run_timers+0x7da/0xc70
[  438.249742]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.254847]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.259079]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.263305]  __run_timers+0x7e5/0xc70
[  438.267110]  ? timer_fixup_init+0x70/0x70
[  438.271255]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.276266]  ? zap_class+0x640/0x640
[  438.279978]  ? enqueue_hrtimer+0x1a5/0x560
[  438.284206]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  438.289396]  ? find_held_lock+0x36/0x1c0
[  438.293462]  ? zap_class+0x640/0x640
[  438.297179]  ? pvclock_read_flags+0x160/0x160
[  438.301669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.307204]  ? check_preemption_disabled+0x48/0x280
[  438.312421]  ? __lock_is_held+0xb5/0x140
[  438.316482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.322013]  ? check_preemption_disabled+0x48/0x280
[  438.327031]  run_timer_softirq+0x52/0xb0
[  438.331084]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.336096]  __do_softirq+0x308/0xb7e
[  438.339896]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  438.344387]  ? lock_downgrade+0x900/0x900
[  438.348543]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.353646]  ? pvclock_read_flags+0x160/0x160
[  438.358139]  ? lapic_next_event+0x5a/0x90
[  438.362289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.367826]  ? kvm_clock_read+0x18/0x30
[  438.371793]  ? kvm_sched_clock_read+0x9/0x20
[  438.376201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.381732]  ? check_preemption_disabled+0x48/0x280
[  438.386754]  irq_exit+0x17f/0x1c0
[  438.390203]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.395037]  ? smp_call_function_single_interrupt+0x159/0x650
[  438.400920]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.406804]  ? interrupt_entry+0xb5/0xc0
[  438.410865]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.415878]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.420889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.425729]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.430738]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.435749]  ? task_prio+0x50/0x50
[  438.439284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.444816]  ? check_preemption_disabled+0x48/0x280
[  438.449832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.454674]  apic_timer_interrupt+0xf/0x20
[  438.458896]  </IRQ>
[  438.461132] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  438.467012] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  438.485993] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  438.493694] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  438.500955] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  438.508217] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  438.515482] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  438.522741] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  438.530034]  ? save_stack+0xa9/0xd0
[  438.533666]  __kmalloc_node_track_caller+0x3c/0x70
[  438.538596]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  438.543353]  pskb_expand_head+0x230/0x10f0
[  438.547589]  ? memcpy+0x45/0x50
[  438.550867]  ? __copy_skb_header+0x350/0x6b0
[  438.555273]  ? skb_release_data+0x880/0x880
[  438.559587]  ? __alloc_skb+0x770/0x770
[  438.563480]  ? __lock_is_held+0xb5/0x140
[  438.567545]  ? kasan_check_write+0x14/0x20
[  438.571773]  ? __skb_clone+0x6c7/0xa00
[  438.575660]  ? __copy_skb_header+0x6b0/0x6b0
[  438.580064]  ? kmem_cache_alloc+0x33a/0x730
[  438.584397]  skb_ensure_writable+0x3dd/0x640
[  438.588807]  ? skb_checksum_setup+0xaa0/0xaa0
[  438.593296]  ? check_preemption_disabled+0x48/0x280
[  438.598312]  ? __this_cpu_preempt_check+0x1c/0x20
[  438.603147]  ? __bpf_redirect+0x54b/0xb20
[  438.607296]  bpf_clone_redirect+0x14a/0x490
[  438.611620]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  438.616634]  ? __sched_text_start+0x8/0x8
[  438.620778]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.625357]  ? retint_kernel+0x2d/0x2d
[  438.629246]  ? trace_hardirqs_on_caller+0xc0/0x310
[  438.634174]  ? find_held_lock+0x36/0x1c0
[  438.638236]  ? lock_acquire+0x1ed/0x520
[  438.642203]  ? bpf_test_run+0x3cb/0x780
[  438.646176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.651712]  ? check_preemption_disabled+0x48/0x280
[  438.656730]  ? kasan_check_read+0x11/0x20
[  438.660872]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.666144]  ? rcu_softirq_qs+0x20/0x20
[  438.670652]  ? preempt_schedule+0x4d/0x60
[  438.674800]  ? ___preempt_schedule+0x16/0x18
[  438.679216]  ? bpf_test_run+0x25d/0x780
[  438.683197]  ? netlink_diag_dump+0x2a0/0x2a0
[  438.687612]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  438.692371]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.697243]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  438.702776]  ? fput+0x130/0x1a0
[  438.706052]  ? __bpf_prog_get+0x9b/0x290
[  438.710110]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.714947]  ? bpf_prog_test_run+0x130/0x1a0
[  438.719355]  ? __x64_sys_bpf+0x3d8/0x520
[  438.723416]  ? bpf_prog_get+0x20/0x20
[  438.727220]  ? do_syscall_64+0x142/0x820
[  438.731280]  ? do_syscall_64+0x1b9/0x820
[  438.735333]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  438.740697]  ? syscall_return_slowpath+0x5e0/0x5e0
[  438.745618]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.750461]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.755476]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  438.760491]  ? prepare_exit_to_usermode+0x291/0x3b0
[  438.765507]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.770355]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  438.775737] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  438.775797] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  438.783179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  438.783184] Call Trace:
[  438.783191]  <IRQ>
[  438.783206]  dump_stack+0x244/0x39d
[  438.783225]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.789762] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.799304]  warn_alloc.cold.116+0xb7/0x1bd
[  438.801857] syz-executor1 cpuset=syz1 mems_allowed=0
[  438.803995]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.837446]  ? lock_downgrade+0x900/0x900
[  438.841596]  ? trace_hardirqs_off+0xb8/0x310
[  438.846008]  ? trace_hardirqs_off+0xb8/0x310
[  438.850422]  __alloc_pages_slowpath+0x26e8/0x2e10
[  438.855285]  ? warn_alloc+0x120/0x120
[  438.859085]  ? warn_alloc+0x120/0x120
[  438.862886]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.867895]  ? warn_alloc+0x120/0x120
[  438.871692]  ? print_usage_bug+0xc0/0xc0
[  438.875749]  ? print_usage_bug+0xc0/0xc0
[  438.879805]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  438.884996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.890531]  ? should_fail+0x22d/0xd01
[  438.894423]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.899524]  ? __lock_acquire+0x62f/0x4c20
[  438.903756]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.908854]  ? should_fail+0x22d/0xd01
[  438.912749]  ? mark_held_locks+0x130/0x130
[  438.916980]  ? mark_held_locks+0x130/0x130
[  438.921206]  ? print_usage_bug+0xc0/0xc0
[  438.925267]  ? find_held_lock+0x36/0x1c0
[  438.929326]  ? zap_class+0x640/0x640
[  438.933050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.938585]  ? check_preemption_disabled+0x48/0x280
[  438.943606]  ? __lock_is_held+0xb5/0x140
[  438.947670]  __alloc_pages_nodemask+0xa80/0xde0
[  438.952335]  ? zap_class+0x640/0x640
[  438.956059]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  438.961080]  ? find_held_lock+0x36/0x1c0
[  438.965144]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.969809]  ? lock_downgrade+0x900/0x900
[  438.973959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.979493]  cache_grow_begin+0xa5/0x8c0
[  438.983547]  ? do_raw_spin_unlock+0xa7/0x330
[  438.987957]  fallback_alloc+0x204/0x2e0
[  438.991931]  ____cache_alloc_node+0x1c7/0x1e0
[  438.996429]  kmem_cache_alloc_node+0xe3/0x730
[  439.000921]  ? mark_held_locks+0xc7/0x130
[  439.005073]  __alloc_skb+0x119/0x770
[  439.008791]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.013192]  ? do_raw_spin_trylock+0x270/0x270
[  439.017768]  ? kmem_cache_alloc_trace+0x353/0x750
[  439.022613]  ? queue_work_on+0x12c/0x1e0
[  439.026679]  ? switchdev_port_obj_del+0xdc/0x440
[  439.031433]  ? switchdev_trans_item_enqueue+0x260/0x260
[  439.036795]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  439.041812]  __br_mdb_notify+0x4ff/0x15d0
[  439.045970]  ? __br_mdb_add+0x7f0/0x7f0
[  439.049948]  ? zap_class+0x640/0x640
[  439.053668]  ? br_multicast_group_expired+0x96/0x610
[  439.058765]  ? lock_downgrade+0x900/0x900
[  439.062915]  br_mdb_notify+0x310/0x410
[  439.066799]  ? br_mdb_dump+0x27b0/0x27b0
[  439.070859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.076402]  br_multicast_group_expired+0x1bc/0x610
[  439.081425]  ? br_mdb_free+0x80/0x80
[  439.085146]  call_timer_fn+0x272/0x920
[  439.089028]  ? br_mdb_free+0x80/0x80
[  439.092737]  ? process_timeout+0x40/0x40
[  439.096801]  ? mark_held_locks+0xc7/0x130
[  439.100944]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.105439]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.109928]  ? br_mdb_free+0x80/0x80
[  439.113641]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.118224]  ? trace_hardirqs_on+0xbd/0x310
[  439.122541]  ? kasan_check_read+0x11/0x20
[  439.126683]  ? __run_timers+0x7da/0xc70
[  439.130657]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.135790]  ? br_mdb_free+0x80/0x80
[  439.139516]  ? br_mdb_free+0x80/0x80
[  439.143221]  __run_timers+0x7e5/0xc70
[  439.147028]  ? timer_fixup_init+0x70/0x70
[  439.151180]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  439.156193]  ? zap_class+0x640/0x640
[  439.159909]  ? print_usage_bug+0xc0/0xc0
[  439.163965]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  439.169154]  ? find_held_lock+0x36/0x1c0
[  439.173216]  ? zap_class+0x640/0x640
[  439.176928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.182463]  ? check_preemption_disabled+0x48/0x280
[  439.187485]  ? __lock_is_held+0xb5/0x140
[  439.191542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.197073]  ? check_preemption_disabled+0x48/0x280
[  439.202090]  run_timer_softirq+0x52/0xb0
[  439.206145]  ? rcu_read_lock_sched_held+0x14f/0x180
[  439.211155]  __do_softirq+0x308/0xb7e
[  439.214951]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  439.219439]  ? lock_downgrade+0x900/0x900
[  439.223585]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  439.228694]  ? pvclock_read_flags+0x160/0x160
[  439.233187]  ? lapic_next_event+0x5a/0x90
[  439.237340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.242880]  ? kvm_clock_read+0x18/0x30
[  439.246847]  ? kvm_sched_clock_read+0x9/0x20
[  439.251251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.256785]  ? check_preemption_disabled+0x48/0x280
[  439.261818]  irq_exit+0x17f/0x1c0
[  439.265264]  smp_apic_timer_interrupt+0x1cb/0x760
[  439.270105]  ? smp_call_function_single_interrupt+0x650/0x650
[  439.275980]  ? interrupt_entry+0xb5/0xc0
[  439.280036]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.285044]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.290054]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.294895]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.299902]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.304914]  ? task_prio+0x50/0x50
[  439.308447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.313981]  ? check_preemption_disabled+0x48/0x280
[  439.318999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.323842]  apic_timer_interrupt+0xf/0x20
[  439.328067]  </IRQ>
[  439.330300] RIP: 0010:dump_stack+0x358/0x39d
[  439.334709] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  439.353604] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  439.361305] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  439.368577] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  439.375836] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  439.383109] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  439.390373] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  439.397649]  ? dump_stack+0x34f/0x39d
[  439.401461]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.406650]  ? mark_held_locks+0x130/0x130
[  439.410879]  ? mark_held_locks+0x130/0x130
[  439.415116]  dump_header+0x27b/0xf72
[  439.418836]  ? pagefault_out_of_memory+0x197/0x197
[  439.423766]  ? __lock_acquire+0x62f/0x4c20
[  439.427997]  ? percpu_ref_get_many+0x240/0x240
[  439.432575]  ? print_usage_bug+0xc0/0xc0
[  439.436654]  ? zap_class+0x640/0x640
[  439.440367]  ? print_usage_bug+0xc0/0xc0
[  439.444421]  ? print_usage_bug+0xc0/0xc0
[  439.448480]  ? zap_class+0x640/0x640
[  439.452191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.457729]  ? find_held_lock+0x36/0x1c0
[  439.461792]  ? mark_held_locks+0xc7/0x130
[  439.465937]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.471034]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.476131]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.480708]  ? trace_hardirqs_on+0xbd/0x310
[  439.485022]  ? kasan_check_read+0x11/0x20
[  439.489161]  ? ___ratelimit+0x3b4/0x672
[  439.493132]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.498233]  ? trace_hardirqs_on+0x310/0x310
[  439.503156]  ? lock_downgrade+0x900/0x900
[  439.507308]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.512415]  ? ___ratelimit+0x3b9/0x672
[  439.516385]  ? idr_get_free+0xf70/0xf70
[  439.520360]  ? find_held_lock+0x36/0x1c0
[  439.524426]  oom_kill_process.cold.27+0x10/0x903
[  439.529175]  ? zap_class+0x640/0x640
[  439.532890]  ? check_preemption_disabled+0x48/0x280
[  439.537903]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.542829]  ? kasan_check_read+0x11/0x20
[  439.546974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.552245]  ? oom_evaluate_task+0x540/0x540
[  439.556650]  ? find_held_lock+0x36/0x1c0
[  439.560714]  ? out_of_memory+0x974/0x1430
[  439.564862]  ? lock_downgrade+0x900/0x900
[  439.569004]  ? check_preemption_disabled+0x48/0x280
[  439.574016]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.578938]  ? kasan_check_read+0x11/0x20
[  439.583077]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.588352]  ? rcu_softirq_qs+0x20/0x20
[  439.592330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.597864]  ? oom_evaluate_task+0x302/0x540
[  439.602274]  out_of_memory+0xa84/0x1430
[  439.606256]  ? oom_killer_disable+0x3a0/0x3a0
[  439.610745]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  439.615671]  ? __ww_mutex_check_waiters+0x160/0x160
[  439.620691]  __alloc_pages_slowpath+0x2354/0x2e10
[  439.625557]  ? warn_alloc+0x120/0x120
[  439.629357]  ? mark_held_locks+0x130/0x130
[  439.633595]  ? find_get_entry+0xaae/0x1120
[  439.637832]  ? filemap_map_pages+0x1a20/0x1a20
[  439.642411]  ? zap_class+0x640/0x640
[  439.646123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.651657]  ? check_preemption_disabled+0x48/0x280
[  439.656671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.662205]  ? should_fail+0x22d/0xd01
[  439.666092]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.671197]  ? zap_class+0x640/0x640
[  439.674930]  ? __lock_is_held+0xb5/0x140
[  439.678999]  ? mark_held_locks+0x130/0x130
[  439.683231]  ? lock_release+0xa00/0xa00
[  439.687198]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.692641]  ? xa_load+0x2ba/0x460
[  439.696176]  ? lock_downgrade+0x900/0x900
[  439.700333]  ? __might_sleep+0x95/0x190
[  439.704312]  __alloc_pages_nodemask+0xa80/0xde0
[  439.708985]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  439.714000]  ? __page_cache_alloc+0x191/0x5c0
[  439.718486]  ? xa_load+0x2e1/0x460
[  439.722026]  ? xa_clear_mark+0x40/0x40
[  439.725908]  ? zap_class+0x640/0x640
[  439.729628]  ? zap_class+0x640/0x640
[  439.733340]  ? zap_class+0x640/0x640
[  439.737050]  ? __do_page_cache_readahead+0x663/0x810
[  439.742156]  ? find_held_lock+0x36/0x1c0
[  439.746217]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  439.751758]  alloc_pages_current+0x173/0x350
[  439.756164]  __page_cache_alloc+0x38c/0x5c0
[  439.760479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.765401]  ? kasan_check_read+0x11/0x20
[  439.769554]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.774830]  ? generic_perform_write+0x6a0/0x6a0
[  439.779586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.785120]  ? check_preemption_disabled+0x48/0x280
[  439.790140]  filemap_fault+0x1595/0x25f0
[  439.794216]  ? __lock_page_or_retry+0xa00/0xa00
[  439.798887]  ? mark_held_locks+0x130/0x130
[  439.803124]  ? filemap_map_pages+0xd6b/0x1a20
[  439.807629]  ? lock_downgrade+0x900/0x900
[  439.811771]  ? check_preemption_disabled+0x48/0x280
[  439.816787]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.821711]  ? kasan_check_read+0x11/0x20
[  439.825853]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.831123]  ? rcu_softirq_qs+0x20/0x20
[  439.835103]  ? filemap_map_pages+0xd92/0x1a20
[  439.839598]  ? print_usage_bug+0xc0/0xc0
[  439.843659]  ? find_get_entries_tag+0x1400/0x1400
[  439.848496]  ? __kasan_slab_free+0x102/0x150
[  439.852897]  ? kasan_slab_free+0xe/0x10
[  439.856868]  ? kmem_cache_free+0x83/0x290
[  439.861012]  ? __sigqueue_free.part.29+0x74/0x90
[  439.865776]  ? lock_acquire+0x1ed/0x520
[  439.869749]  ? ext4_filemap_fault+0x7a/0xad
[  439.874071]  ? lock_release+0xa00/0xa00
[  439.878040]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.883486]  ? print_usage_bug+0xc0/0xc0
[  439.887541]  ? print_usage_bug+0xc0/0xc0
[  439.891610]  ? down_read+0x8d/0x120
[  439.895229]  ? ext4_filemap_fault+0x7a/0xad
[  439.899550]  ? __down_interruptible+0x700/0x700
[  439.904222]  ext4_filemap_fault+0x82/0xad
[  439.908368]  __do_fault+0x100/0x6b0
[  439.911994]  ? pmd_devmap_trans_unstable+0x220/0x220
[  439.917094]  ? mark_held_locks+0x130/0x130
[  439.921331]  ? mark_held_locks+0x130/0x130
[  439.925559]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  439.931096]  ? rcu_pm_notify+0xc0/0xc0
[  439.934985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.940520]  __handle_mm_fault+0x3ea0/0x5be0
[  439.944935]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  439.949774]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.954269]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.958852]  ? trace_hardirqs_on+0xbd/0x310
[  439.963169]  ? kasan_check_read+0x11/0x20
[  439.967315]  ? __set_current_blocked+0xdf/0x120
[  439.971977]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.977083]  ? zap_class+0x640/0x640
[  439.980791]  ? zap_class+0x640/0x640
[  439.984504]  ? find_held_lock+0x36/0x1c0
[  439.988568]  ? handle_mm_fault+0x42a/0xc70
[  439.992802]  ? lock_downgrade+0x900/0x900
[  439.996950]  ? check_preemption_disabled+0x48/0x280
[  440.001967]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.006888]  ? kasan_check_read+0x11/0x20
[  440.011028]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.016309]  ? rcu_softirq_qs+0x20/0x20
[  440.020286]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.025391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.030923]  ? check_preemption_disabled+0x48/0x280
[  440.035943]  handle_mm_fault+0x54f/0xc70
[  440.040005]  ? __handle_mm_fault+0x5be0/0x5be0
[  440.044585]  ? find_vma+0x34/0x190
[  440.048125]  __do_page_fault+0x5e8/0xe60
[  440.052186]  ? exit_to_usermode_loop+0x1f4/0x380
[  440.056945]  do_page_fault+0xf2/0x7e0
[  440.060741]  ? vmalloc_sync_all+0x30/0x30
[  440.064883]  ? error_entry+0x70/0xd0
[  440.068591]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.073602]  ? trace_hardirqs_on_caller+0xc0/0x310
[  440.078524]  ? syscall_return_slowpath+0x5e0/0x5e0
[  440.083447]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.088293]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.093313]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  440.098766]  ? prepare_exit_to_usermode+0x291/0x3b0
[  440.103779]  ? page_fault+0x8/0x30
[  440.107323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.112161]  ? page_fault+0x8/0x30
[  440.115706]  page_fault+0x1e/0x30
[  440.119154] RIP: 0033:0x45db60
[  440.122355] Code: Bad RIP value.
[  440.125715] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  440.131072] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  440.138337] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  440.145597] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  440.152857] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  440.160121] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  440.167400] warn_alloc_show_mem: 1 callbacks suppressed
[  440.167409] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  440.167411] Mem-Info:
[  440.167441] active_anon:52805 inactive_anon:249 isolated_anon:0
[  440.167441]  active_file:17 inactive_file:10 isolated_file:0
[  440.167441]  unevictable:0 dirty:0 writeback:0 unstable:0
[  440.167441]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  440.167441]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  440.167441]  free:13758 free_pcp:272 free_cma:0
[  440.172773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.172780] Call Trace:
[  440.180138] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  440.182525]  <IRQ>
[  440.215377] 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
[  440.224724]  dump_stack+0x244/0x39d
[  440.227280] lowmem_reserve[]: 0 2818 6321 6321
[  440.254857]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.256976] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  440.283081]  warn_alloc.cold.116+0xb7/0x1bd
[  440.286670] lowmem_reserve[]: 0 0 3503 3503
[  440.291238]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.296401] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  440.323717]  ? lock_downgrade+0x900/0x900
[  440.328005] lowmem_reserve[]: 0 0 0 0
[  440.332326]  ? trace_hardirqs_off+0xb8/0x310
[  440.337135] 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
[  440.366012]  ? trace_hardirqs_off+0xb8/0x310
[  440.370132] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  440.373928]  __alloc_pages_slowpath+0x26e8/0x2e10
[  440.378302] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  440.391841]  ? warn_alloc+0x120/0x120
[  440.396203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  440.411360]  ? print_usage_bug+0xc0/0xc0
[  440.416177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  440.431587]  ? warn_alloc+0x120/0x120
[  440.435360] 326 total pagecache pages
[  440.444181]  ? warn_alloc+0x120/0x120
[  440.448220] 0 pages in swap cache
[  440.456782]  ? print_usage_bug+0xc0/0xc0
[  440.460552] Swap cache stats: add 0, delete 0, find 0/0
[  440.464336]  ? kvm_clock_read+0x18/0x30
[  440.468104] Free swap  = 0kB
[  440.471542]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  440.475570] Total swap = 0kB
[  440.480916]  ? print_usage_bug+0xc0/0xc0
[  440.484858] 1965979 pages RAM
[  440.487865]  ? __lock_acquire+0x62f/0x4c20
[  440.492844] 0 pages HighMem/MovableOnly
[  440.492851] 342854 pages reserved
[  440.495857]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.499888] 0 pages cma reserved
[  440.502982]  ? should_fail+0x22d/0xd01
[  440.507329] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.511138]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.511157]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.514580] syz-fuzzer cpuset=/ mems_allowed=0
[  440.520107]  ? __lock_acquire+0x62f/0x4c20
[  440.556644]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.561738]  ? __lock_acquire+0x62f/0x4c20
[  440.565972]  ? should_fail+0x22d/0xd01
[  440.569853]  ? rcu_irq_exit+0x1a2/0x390
[  440.573832]  ? mark_held_locks+0x130/0x130
[  440.578068]  ? mark_held_locks+0x130/0x130
[  440.582301]  ? mark_held_locks+0xc7/0x130
[  440.586448]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  440.591457]  ? zap_class+0x640/0x640
[  440.595163]  ? print_usage_bug+0xc0/0xc0
[  440.599233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.604768]  ? check_preemption_disabled+0x48/0x280
[  440.609795]  ? __lock_is_held+0xb5/0x140
[  440.613858]  __alloc_pages_nodemask+0xa80/0xde0
[  440.618519]  ? zap_class+0x640/0x640
[  440.622243]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  440.627268]  ? find_held_lock+0x36/0x1c0
[  440.631337]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.636008]  ? lock_downgrade+0x900/0x900
[  440.640158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.645694]  cache_grow_begin+0xa5/0x8c0
[  440.649748]  ? do_raw_spin_unlock+0xa7/0x330
[  440.654165]  fallback_alloc+0x204/0x2e0
[  440.658144]  ____cache_alloc_node+0x1c7/0x1e0
[  440.662641]  kmem_cache_alloc_node+0xe3/0x730
[  440.667132]  ? ipv6_get_ifaddr+0x42e/0x620
[  440.671890]  __alloc_skb+0x119/0x770
[  440.675782]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.681057]  ? netdev_alloc_frag+0x1f0/0x1f0
[  440.685462]  ? lock_downgrade+0x900/0x900
[  440.689613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.695145]  ? refcount_sub_and_test_checked+0x203/0x310
[  440.700596]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  440.706046]  ? addrconf_rs_timer+0x690/0x690
[  440.710459]  ndisc_alloc_skb+0x144/0x340
[  440.714519]  ndisc_send_rs+0x331/0x6e0
[  440.718407]  addrconf_rs_timer+0x314/0x690
[  440.722644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.726883]  call_timer_fn+0x272/0x920
[  440.730770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.735000]  ? process_timeout+0x40/0x40
[  440.739067]  ? __run_timers+0x7da/0xc70
[  440.743041]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.747528]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.752014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.756243]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.760821]  ? trace_hardirqs_on+0xbd/0x310
[  440.765137]  ? kasan_check_read+0x11/0x20
[  440.769276]  ? __run_timers+0x7da/0xc70
[  440.773245]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.778344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.782578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.786806]  __run_timers+0x7e5/0xc70
[  440.790610]  ? timer_fixup_init+0x70/0x70
[  440.794759]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  440.799775]  ? zap_class+0x640/0x640
[  440.803491]  ? enqueue_hrtimer+0x1a5/0x560
[  440.807722]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  440.812915]  ? find_held_lock+0x36/0x1c0
[  440.816975]  ? zap_class+0x640/0x640
[  440.820687]  ? pvclock_read_flags+0x160/0x160
[  440.825182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.830719]  ? check_preemption_disabled+0x48/0x280
[  440.835744]  ? __lock_is_held+0xb5/0x140
[  440.839802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.845332]  ? check_preemption_disabled+0x48/0x280
[  440.850352]  run_timer_softirq+0x52/0xb0
[  440.854408]  ? rcu_read_lock_sched_held+0x14f/0x180
[  440.859425]  __do_softirq+0x308/0xb7e
[  440.863230]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  440.867717]  ? lock_downgrade+0x900/0x900
[  440.871871]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  440.876978]  ? pvclock_read_flags+0x160/0x160
[  440.881469]  ? lapic_next_event+0x5a/0x90
[  440.885619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.891158]  ? kvm_clock_read+0x18/0x30
[  440.895128]  ? kvm_sched_clock_read+0x9/0x20
[  440.899536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.905067]  ? check_preemption_disabled+0x48/0x280
[  440.910086]  irq_exit+0x17f/0x1c0
[  440.913537]  smp_apic_timer_interrupt+0x1cb/0x760
[  440.918384]  ? smp_call_function_single_interrupt+0x159/0x650
[  440.924268]  ? smp_call_function_single_interrupt+0x650/0x650
[  440.930145]  ? interrupt_entry+0xb5/0xc0
[  440.934213]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.939231]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.944246]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.949084]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.954091]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.959100]  ? task_prio+0x50/0x50
[  440.962634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.968165]  ? check_preemption_disabled+0x48/0x280
[  440.973188]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.978051]  apic_timer_interrupt+0xf/0x20
[  440.982276]  </IRQ>
[  440.984516] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  440.990397] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  441.009287] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  441.016993] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  441.024255] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  441.031521] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  441.038956] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  441.046222] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  441.053515]  ? save_stack+0xa9/0xd0
[  441.057148]  __kmalloc_node_track_caller+0x3c/0x70
[  441.062073]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  441.066828]  pskb_expand_head+0x230/0x10f0
[  441.071061]  ? memcpy+0x45/0x50
[  441.074335]  ? __copy_skb_header+0x350/0x6b0
[  441.078750]  ? skb_release_data+0x880/0x880
[  441.083068]  ? __alloc_skb+0x770/0x770
[  441.086958]  ? __lock_is_held+0xb5/0x140
[  441.091022]  ? kasan_check_write+0x14/0x20
[  441.095256]  ? __skb_clone+0x6c7/0xa00
[  441.099151]  ? __copy_skb_header+0x6b0/0x6b0
[  441.103556]  ? kmem_cache_alloc+0x33a/0x730
[  441.107887]  skb_ensure_writable+0x3dd/0x640
[  441.112291]  ? skb_checksum_setup+0xaa0/0xaa0
[  441.116785]  ? check_preemption_disabled+0x48/0x280
[  441.121803]  ? __this_cpu_preempt_check+0x1c/0x20
[  441.126641]  ? __bpf_redirect+0x54b/0xb20
[  441.130794]  bpf_clone_redirect+0x14a/0x490
[  441.135124]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  441.140141]  ? __sched_text_start+0x8/0x8
[  441.144286]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.148860]  ? retint_kernel+0x2d/0x2d
[  441.152746]  ? trace_hardirqs_on_caller+0xc0/0x310
[  441.157676]  ? find_held_lock+0x36/0x1c0
[  441.161749]  ? lock_acquire+0x1ed/0x520
[  441.165723]  ? bpf_test_run+0x3cb/0x780
[  441.169691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.175225]  ? check_preemption_disabled+0x48/0x280
[  441.180241]  ? kasan_check_read+0x11/0x20
[  441.184401]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.189672]  ? rcu_softirq_qs+0x20/0x20
[  441.193648]  ? preempt_schedule+0x4d/0x60
[  441.197789]  ? ___preempt_schedule+0x16/0x18
[  441.202205]  ? bpf_test_run+0x25d/0x780
[  441.206192]  ? netlink_diag_dump+0x2a0/0x2a0
[  441.210609]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  441.215373]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  441.220213]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  441.225750]  ? fput+0x130/0x1a0
[  441.229027]  ? __bpf_prog_get+0x9b/0x290
[  441.233086]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  441.237922]  ? bpf_prog_test_run+0x130/0x1a0
[  441.242328]  ? __x64_sys_bpf+0x3d8/0x520
[  441.246387]  ? bpf_prog_get+0x20/0x20
[  441.250199]  ? do_syscall_64+0x142/0x820
[  441.254260]  ? do_syscall_64+0x1b9/0x820
[  441.258313]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  441.263677]  ? syscall_return_slowpath+0x5e0/0x5e0
[  441.268601]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.273439]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.278450]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  441.283466]  ? prepare_exit_to_usermode+0x291/0x3b0
[  441.288482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.293330]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  441.298706] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  441.298770] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  441.305718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  441.305725] Call Trace:
[  441.312272] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.321543]  <IRQ>
[  441.324105] syz-executor1 cpuset=syz1 mems_allowed=0
[  441.334578]  dump_stack+0x244/0x39d
[  441.345405]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.350603]  warn_alloc.cold.116+0xb7/0x1bd
[  441.354919]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.359759]  ? lock_downgrade+0x900/0x900
[  441.363911]  ? trace_hardirqs_off+0xb8/0x310
[  441.368322]  ? trace_hardirqs_off+0xb8/0x310
[  441.372732]  __alloc_pages_slowpath+0x26e8/0x2e10
[  441.377599]  ? warn_alloc+0x120/0x120
[  441.381488]  ? warn_alloc+0x120/0x120
[  441.385287]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  441.390296]  ? warn_alloc+0x120/0x120
[  441.394096]  ? print_usage_bug+0xc0/0xc0
[  441.398163]  ? print_usage_bug+0xc0/0xc0
[  441.402224]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  441.407426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.412957]  ? should_fail+0x22d/0xd01
[  441.416846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.421943]  ? __lock_acquire+0x62f/0x4c20
[  441.426180]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.431277]  ? should_fail+0x22d/0xd01
[  441.435173]  ? mark_held_locks+0x130/0x130
[  441.439412]  ? mark_held_locks+0x130/0x130
[  441.443639]  ? print_usage_bug+0xc0/0xc0
[  441.447700]  ? find_held_lock+0x36/0x1c0
[  441.451755]  ? zap_class+0x640/0x640
[  441.455471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.461004]  ? check_preemption_disabled+0x48/0x280
[  441.466023]  ? __lock_is_held+0xb5/0x140
[  441.470081]  __alloc_pages_nodemask+0xa80/0xde0
[  441.474741]  ? zap_class+0x640/0x640
[  441.478454]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  441.483475]  ? find_held_lock+0x36/0x1c0
[  441.487539]  ? ____cache_alloc_node+0x1c7/0x1e0
[  441.492205]  ? lock_downgrade+0x900/0x900
[  441.496353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.502379]  cache_grow_begin+0xa5/0x8c0
[  441.506439]  ? do_raw_spin_unlock+0xa7/0x330
[  441.510849]  fallback_alloc+0x204/0x2e0
[  441.514822]  ____cache_alloc_node+0x1c7/0x1e0
[  441.519317]  kmem_cache_alloc_node+0xe3/0x730
[  441.523808]  ? mark_held_locks+0xc7/0x130
[  441.527963]  __alloc_skb+0x119/0x770
[  441.531681]  ? netdev_alloc_frag+0x1f0/0x1f0
[  441.536085]  ? do_raw_spin_trylock+0x270/0x270
[  441.540662]  ? kmem_cache_alloc_trace+0x353/0x750
[  441.545503]  ? queue_work_on+0x12c/0x1e0
[  441.549566]  ? switchdev_port_obj_del+0xdc/0x440
[  441.554408]  ? switchdev_trans_item_enqueue+0x260/0x260
[  441.559770]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  441.564791]  __br_mdb_notify+0x4ff/0x15d0
[  441.568944]  ? __br_mdb_add+0x7f0/0x7f0
[  441.572923]  ? zap_class+0x640/0x640
[  441.576638]  ? br_multicast_group_expired+0x96/0x610
[  441.581737]  ? lock_downgrade+0x900/0x900
[  441.585885]  br_mdb_notify+0x310/0x410
[  441.589772]  ? br_mdb_dump+0x27b0/0x27b0
[  441.593833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.599384]  br_multicast_group_expired+0x1bc/0x610
[  441.604403]  ? br_mdb_free+0x80/0x80
[  441.608119]  call_timer_fn+0x272/0x920
[  441.612006]  ? br_mdb_free+0x80/0x80
[  441.615713]  ? process_timeout+0x40/0x40
[  441.619785]  ? mark_held_locks+0xc7/0x130
[  441.623931]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.628423]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.632910]  ? br_mdb_free+0x80/0x80
[  441.636622]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.641203]  ? trace_hardirqs_on+0xbd/0x310
[  441.645521]  ? kasan_check_read+0x11/0x20
[  441.650192]  ? __run_timers+0x7da/0xc70
[  441.654167]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.659273]  ? br_mdb_free+0x80/0x80
[  441.662985]  ? br_mdb_free+0x80/0x80
[  441.666696]  __run_timers+0x7e5/0xc70
[  441.670504]  ? timer_fixup_init+0x70/0x70
[  441.674651]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  441.679664]  ? zap_class+0x640/0x640
[  441.683375]  ? print_usage_bug+0xc0/0xc0
[  441.687435]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  441.692624]  ? find_held_lock+0x36/0x1c0
[  441.696684]  ? zap_class+0x640/0x640
[  441.700399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.705934]  ? check_preemption_disabled+0x48/0x280
[  441.710957]  ? __lock_is_held+0xb5/0x140
[  441.715014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.720544]  ? check_preemption_disabled+0x48/0x280
[  441.725558]  run_timer_softirq+0x52/0xb0
[  441.729614]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.734624]  __do_softirq+0x308/0xb7e
[  441.738421]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  441.742909]  ? lock_downgrade+0x900/0x900
[  441.747053]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  441.752161]  ? pvclock_read_flags+0x160/0x160
[  441.756655]  ? lapic_next_event+0x5a/0x90
[  441.760798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.766336]  ? kvm_clock_read+0x18/0x30
[  441.770303]  ? kvm_sched_clock_read+0x9/0x20
[  441.774710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.780242]  ? check_preemption_disabled+0x48/0x280
[  441.785260]  irq_exit+0x17f/0x1c0
[  441.788709]  smp_apic_timer_interrupt+0x1cb/0x760
[  441.793547]  ? smp_call_function_single_interrupt+0x650/0x650
[  441.799425]  ? interrupt_entry+0xb5/0xc0
[  441.803481]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.808494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.813510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.818350]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.823361]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.828373]  ? task_prio+0x50/0x50
[  441.831910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.837446]  ? check_preemption_disabled+0x48/0x280
[  441.842460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.847308]  apic_timer_interrupt+0xf/0x20
[  441.851530]  </IRQ>
[  441.853762] RIP: 0010:dump_stack+0x358/0x39d
[  441.858181] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  441.877073] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  441.884773] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  441.892035] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  441.899297] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  441.906556] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  441.913815] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  441.921092]  ? dump_stack+0x34f/0x39d
[  441.924904]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.930092]  ? mark_held_locks+0x130/0x130
[  441.934326]  ? mark_held_locks+0x130/0x130
[  441.938558]  dump_header+0x27b/0xf72
[  441.942281]  ? pagefault_out_of_memory+0x197/0x197
[  441.947213]  ? __lock_acquire+0x62f/0x4c20
[  441.951446]  ? percpu_ref_get_many+0x240/0x240
[  441.956027]  ? print_usage_bug+0xc0/0xc0
[  441.960089]  ? zap_class+0x640/0x640
[  441.963805]  ? print_usage_bug+0xc0/0xc0
[  441.967858]  ? print_usage_bug+0xc0/0xc0
[  441.971913]  ? zap_class+0x640/0x640
[  441.975622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.981162]  ? find_held_lock+0x36/0x1c0
[  441.985226]  ? mark_held_locks+0xc7/0x130
[  441.989373]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.994470]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.999567]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.004150]  ? trace_hardirqs_on+0xbd/0x310
[  442.008465]  ? kasan_check_read+0x11/0x20
[  442.012611]  ? ___ratelimit+0x3b4/0x672
[  442.016582]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.021682]  ? trace_hardirqs_on+0x310/0x310
[  442.026083]  ? lock_downgrade+0x900/0x900
[  442.030237]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  442.035338]  ? ___ratelimit+0x3b9/0x672
[  442.039312]  ? idr_get_free+0xf70/0xf70
[  442.043282]  ? find_held_lock+0x36/0x1c0
[  442.047348]  oom_kill_process.cold.27+0x10/0x903
[  442.052098]  ? zap_class+0x640/0x640
[  442.055811]  ? check_preemption_disabled+0x48/0x280
[  442.060827]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.065749]  ? kasan_check_read+0x11/0x20
[  442.069892]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.075171]  ? oom_evaluate_task+0x540/0x540
[  442.079767]  ? find_held_lock+0x36/0x1c0
[  442.083830]  ? out_of_memory+0x974/0x1430
[  442.087975]  ? lock_downgrade+0x900/0x900
[  442.092126]  ? check_preemption_disabled+0x48/0x280
[  442.097151]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.102072]  ? kasan_check_read+0x11/0x20
[  442.106222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.111496]  ? rcu_softirq_qs+0x20/0x20
[  442.115471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.121024]  ? oom_evaluate_task+0x302/0x540
[  442.125431]  out_of_memory+0xa84/0x1430
[  442.129412]  ? oom_killer_disable+0x3a0/0x3a0
[  442.133902]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  442.138829]  ? __ww_mutex_check_waiters+0x160/0x160
[  442.143854]  __alloc_pages_slowpath+0x2354/0x2e10
[  442.148716]  ? warn_alloc+0x120/0x120
[  442.152518]  ? mark_held_locks+0x130/0x130
[  442.156754]  ? find_get_entry+0xaae/0x1120
[  442.160991]  ? filemap_map_pages+0x1a20/0x1a20
[  442.165576]  ? zap_class+0x640/0x640
[  442.169292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.174824]  ? check_preemption_disabled+0x48/0x280
[  442.179834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.185363]  ? should_fail+0x22d/0xd01
[  442.189251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.194350]  ? zap_class+0x640/0x640
[  442.198081]  ? __lock_is_held+0xb5/0x140
[  442.202155]  ? mark_held_locks+0x130/0x130
[  442.206391]  ? lock_release+0xa00/0xa00
[  442.210359]  ? perf_trace_sched_process_exec+0x860/0x860
[  442.215803]  ? xa_load+0x2ba/0x460
[  442.219338]  ? lock_downgrade+0x900/0x900
[  442.223498]  ? __might_sleep+0x95/0x190
[  442.227470]  __alloc_pages_nodemask+0xa80/0xde0
[  442.232144]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  442.237154]  ? __page_cache_alloc+0x191/0x5c0
[  442.241650]  ? xa_load+0x2e1/0x460
[  442.245196]  ? xa_clear_mark+0x40/0x40
[  442.249079]  ? zap_class+0x640/0x640
[  442.252805]  ? zap_class+0x640/0x640
[  442.256510]  ? zap_class+0x640/0x640
[  442.260216]  ? __do_page_cache_readahead+0x663/0x810
[  442.265316]  ? find_held_lock+0x36/0x1c0
[  442.269376]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  442.274914]  alloc_pages_current+0x173/0x350
[  442.279336]  __page_cache_alloc+0x38c/0x5c0
[  442.283651]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.288576]  ? kasan_check_read+0x11/0x20
[  442.292716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.297993]  ? generic_perform_write+0x6a0/0x6a0
[  442.302744]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.308279]  ? check_preemption_disabled+0x48/0x280
[  442.313299]  filemap_fault+0x1595/0x25f0
[  442.317365]  ? __lock_page_or_retry+0xa00/0xa00
[  442.322031]  ? mark_held_locks+0x130/0x130
[  442.326269]  ? filemap_map_pages+0xd6b/0x1a20
[  442.330759]  ? lock_downgrade+0x900/0x900
[  442.334900]  ? check_preemption_disabled+0x48/0x280
[  442.339917]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.344843]  ? kasan_check_read+0x11/0x20
[  442.348998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.354272]  ? rcu_softirq_qs+0x20/0x20
[  442.358251]  ? filemap_map_pages+0xd92/0x1a20
[  442.362745]  ? print_usage_bug+0xc0/0xc0
[  442.366805]  ? find_get_entries_tag+0x1400/0x1400
[  442.371643]  ? __kasan_slab_free+0x102/0x150
[  442.376047]  ? kasan_slab_free+0xe/0x10
[  442.380025]  ? kmem_cache_free+0x83/0x290
[  442.384167]  ? __sigqueue_free.part.29+0x74/0x90
[  442.388932]  ? lock_acquire+0x1ed/0x520
[  442.392899]  ? ext4_filemap_fault+0x7a/0xad
[  442.397222]  ? lock_release+0xa00/0xa00
[  442.401190]  ? perf_trace_sched_process_exec+0x860/0x860
[  442.406635]  ? print_usage_bug+0xc0/0xc0
[  442.410693]  ? print_usage_bug+0xc0/0xc0
[  442.414759]  ? down_read+0x8d/0x120
[  442.418382]  ? ext4_filemap_fault+0x7a/0xad
[  442.422698]  ? __down_interruptible+0x700/0x700
[  442.427372]  ext4_filemap_fault+0x82/0xad
[  442.431515]  __do_fault+0x100/0x6b0
[  442.435146]  ? pmd_devmap_trans_unstable+0x220/0x220
[  442.440244]  ? mark_held_locks+0x130/0x130
[  442.444473]  ? mark_held_locks+0x130/0x130
[  442.448705]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  442.454236]  ? rcu_pm_notify+0xc0/0xc0
[  442.458126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.463666]  __handle_mm_fault+0x3ea0/0x5be0
[  442.468088]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  442.472928]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.477416]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.481994]  ? trace_hardirqs_on+0xbd/0x310
[  442.486310]  ? kasan_check_read+0x11/0x20
[  442.490450]  ? __set_current_blocked+0xdf/0x120
[  442.495119]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.500240]  ? zap_class+0x640/0x640
[  442.504418]  ? zap_class+0x640/0x640
[  442.508138]  ? find_held_lock+0x36/0x1c0
[  442.512203]  ? handle_mm_fault+0x42a/0xc70
[  442.516435]  ? lock_downgrade+0x900/0x900
[  442.520578]  ? check_preemption_disabled+0x48/0x280
[  442.525590]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.530511]  ? kasan_check_read+0x11/0x20
[  442.534655]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.539924]  ? rcu_softirq_qs+0x20/0x20
[  442.543896]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.548995]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.554530]  ? check_preemption_disabled+0x48/0x280
[  442.559547]  handle_mm_fault+0x54f/0xc70
[  442.563608]  ? __handle_mm_fault+0x5be0/0x5be0
[  442.568188]  ? find_vma+0x34/0x190
[  442.571736]  __do_page_fault+0x5e8/0xe60
[  442.575792]  ? exit_to_usermode_loop+0x1f4/0x380
[  442.580553]  do_page_fault+0xf2/0x7e0
[  442.584350]  ? vmalloc_sync_all+0x30/0x30
[  442.588491]  ? error_entry+0x70/0xd0
[  442.592198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.597207]  ? trace_hardirqs_on_caller+0xc0/0x310
[  442.602129]  ? syscall_return_slowpath+0x5e0/0x5e0
[  442.607065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.611906]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.616920]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  442.622368]  ? prepare_exit_to_usermode+0x291/0x3b0
[  442.627380]  ? page_fault+0x8/0x30
[  442.630915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.635757]  ? page_fault+0x8/0x30
[  442.639295]  page_fault+0x1e/0x30
[  442.642743] RIP: 0033:0x45db60
[  442.645947] Code: Bad RIP value.
[  442.649302] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  442.654655] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  442.661916] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  442.669541] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  442.676805] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  442.684074] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  442.691360] warn_alloc_show_mem: 1 callbacks suppressed
[  442.691370] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  442.691372] Mem-Info:
[  442.691402] active_anon:52805 inactive_anon:249 isolated_anon:0
[  442.691402]  active_file:17 inactive_file:10 isolated_file:0
[  442.691402]  unevictable:0 dirty:0 writeback:0 unstable:0
[  442.691402]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  442.691402]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  442.691402]  free:13758 free_pcp:272 free_cma:0
[  442.696735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.704102] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  442.706484] Call Trace:
[  442.739338] 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
[  442.748680]  <IRQ>
[  442.776238] lowmem_reserve[]: 0 2818 6321 6321
[  442.778818]  dump_stack+0x244/0x39d
[  442.804889] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  442.807036]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.811588] lowmem_reserve[]: 0 0 3503 3503
[  442.815234]  warn_alloc.cold.116+0xb7/0x1bd
[  442.842519] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  442.847703]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.851991] lowmem_reserve[]: 0 0 0 0
[  442.856307]  ? lock_downgrade+0x900/0x900
[  442.885158] 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
[  442.889996]  ? trace_hardirqs_off+0xb8/0x310
[  442.893765] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  442.897905]  ? trace_hardirqs_off+0xb8/0x310
[  442.911394] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  442.915800]  __alloc_pages_slowpath+0x26e8/0x2e10
[  442.930946] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  442.935361]  ? warn_alloc+0x120/0x120
[  442.950744] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  442.950751] 326 total pagecache pages
[  442.955582]  ? print_usage_bug+0xc0/0xc0
[  442.964390] 0 pages in swap cache
[  442.968167]  ? warn_alloc+0x120/0x120
[  442.976718] Swap cache stats: add 0, delete 0, find 0/0
[  442.980506]  ? warn_alloc+0x120/0x120
[  442.984537] Free swap  = 0kB
[  442.987976]  ? print_usage_bug+0xc0/0xc0
[  442.991748] Total swap = 0kB
[  442.997095]  ? kvm_clock_read+0x18/0x30
[  443.000864] 1965979 pages RAM
[  443.003872]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  443.007897] 0 pages HighMem/MovableOnly
[  443.007904] 342854 pages reserved
[  443.010909]  ? print_usage_bug+0xc0/0xc0
[  443.014851] 0 pages cma reserved
[  443.017943]  ? __lock_acquire+0x62f/0x4c20
[  443.023079] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.026891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.030311] syz-fuzzer cpuset=/ mems_allowed=0
[  443.034359]  ? should_fail+0x22d/0xd01
[  443.066056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.071330]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.076426]  ? __lock_acquire+0x62f/0x4c20
[  443.080663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.085759]  ? __lock_acquire+0x62f/0x4c20
[  443.089985]  ? should_fail+0x22d/0xd01
[  443.093867]  ? rcu_irq_exit+0x1a2/0x390
[  443.097850]  ? mark_held_locks+0x130/0x130
[  443.102084]  ? mark_held_locks+0x130/0x130
[  443.106321]  ? mark_held_locks+0xc7/0x130
[  443.110468]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  443.115479]  ? zap_class+0x640/0x640
[  443.119192]  ? print_usage_bug+0xc0/0xc0
[  443.123254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.128791]  ? check_preemption_disabled+0x48/0x280
[  443.133808]  ? __lock_is_held+0xb5/0x140
[  443.137868]  __alloc_pages_nodemask+0xa80/0xde0
[  443.142529]  ? zap_class+0x640/0x640
[  443.146245]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  443.151265]  ? find_held_lock+0x36/0x1c0
[  443.155328]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.159992]  ? lock_downgrade+0x900/0x900
[  443.164146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.169681]  cache_grow_begin+0xa5/0x8c0
[  443.173735]  ? do_raw_spin_unlock+0xa7/0x330
[  443.178144]  fallback_alloc+0x204/0x2e0
[  443.182117]  ____cache_alloc_node+0x1c7/0x1e0
[  443.186611]  kmem_cache_alloc_node+0xe3/0x730
[  443.191102]  ? ipv6_get_ifaddr+0x42e/0x620
[  443.195343]  __alloc_skb+0x119/0x770
[  443.199052]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.204325]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.208729]  ? lock_downgrade+0x900/0x900
[  443.212882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.218411]  ? refcount_sub_and_test_checked+0x203/0x310
[  443.223864]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  443.229308]  ? addrconf_rs_timer+0x690/0x690
[  443.233721]  ndisc_alloc_skb+0x144/0x340
[  443.237780]  ndisc_send_rs+0x331/0x6e0
[  443.241667]  addrconf_rs_timer+0x314/0x690
[  443.245904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.250146]  call_timer_fn+0x272/0x920
[  443.254033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.258264]  ? process_timeout+0x40/0x40
[  443.262327]  ? __run_timers+0x7da/0xc70
[  443.266299]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.270788]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.275274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.279501]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.284080]  ? trace_hardirqs_on+0xbd/0x310
[  443.288397]  ? kasan_check_read+0x11/0x20
[  443.292543]  ? __run_timers+0x7da/0xc70
[  443.296513]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.301616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.305848]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.310074]  __run_timers+0x7e5/0xc70
[  443.313876]  ? timer_fixup_init+0x70/0x70
[  443.318025]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  443.323037]  ? zap_class+0x640/0x640
[  443.326752]  ? enqueue_hrtimer+0x1a5/0x560
[  443.330981]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  443.336181]  ? find_held_lock+0x36/0x1c0
[  443.340241]  ? zap_class+0x640/0x640
[  443.343953]  ? pvclock_read_flags+0x160/0x160
[  443.348444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.353980]  ? check_preemption_disabled+0x48/0x280
[  443.359013]  ? __lock_is_held+0xb5/0x140
[  443.363072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.368604]  ? check_preemption_disabled+0x48/0x280
[  443.373620]  run_timer_softirq+0x52/0xb0
[  443.377677]  ? rcu_read_lock_sched_held+0x14f/0x180
[  443.382688]  __do_softirq+0x308/0xb7e
[  443.386485]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  443.390972]  ? lock_downgrade+0x900/0x900
[  443.395122]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  443.400225]  ? pvclock_read_flags+0x160/0x160
[  443.404720]  ? lapic_next_event+0x5a/0x90
[  443.408866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.414406]  ? kvm_clock_read+0x18/0x30
[  443.418378]  ? kvm_sched_clock_read+0x9/0x20
[  443.422795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.428328]  ? check_preemption_disabled+0x48/0x280
[  443.434128]  irq_exit+0x17f/0x1c0
[  443.437577]  smp_apic_timer_interrupt+0x1cb/0x760
[  443.442413]  ? smp_call_function_single_interrupt+0x159/0x650
[  443.448293]  ? smp_call_function_single_interrupt+0x650/0x650
[  443.454172]  ? interrupt_entry+0xb5/0xc0
[  443.458231]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.463241]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.468269]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.473108]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.478122]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.483132]  ? task_prio+0x50/0x50
[  443.486673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.492203]  ? check_preemption_disabled+0x48/0x280
[  443.497223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.502425]  apic_timer_interrupt+0xf/0x20
[  443.506651]  </IRQ>
[  443.508887] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  443.514765] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  443.533657] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  443.541357] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  443.548620] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  443.555882] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  443.563232] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  443.570496] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  443.577785]  ? save_stack+0xa9/0xd0
[  443.581417]  __kmalloc_node_track_caller+0x3c/0x70
[  443.586342]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  443.591099]  pskb_expand_head+0x230/0x10f0
[  443.595335]  ? memcpy+0x45/0x50
[  443.598609]  ? __copy_skb_header+0x350/0x6b0
[  443.603012]  ? skb_release_data+0x880/0x880
[  443.607329]  ? __alloc_skb+0x770/0x770
[  443.611223]  ? __lock_is_held+0xb5/0x140
[  443.615288]  ? kasan_check_write+0x14/0x20
[  443.619522]  ? __skb_clone+0x6c7/0xa00
[  443.623406]  ? __copy_skb_header+0x6b0/0x6b0
[  443.627807]  ? kmem_cache_alloc+0x33a/0x730
[  443.632134]  skb_ensure_writable+0x3dd/0x640
[  443.636543]  ? skb_checksum_setup+0xaa0/0xaa0
[  443.641036]  ? check_preemption_disabled+0x48/0x280
[  443.646053]  ? __this_cpu_preempt_check+0x1c/0x20
[  443.650889]  ? __bpf_redirect+0x54b/0xb20
[  443.655043]  bpf_clone_redirect+0x14a/0x490
[  443.659372]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  443.664386]  ? __sched_text_start+0x8/0x8
[  443.668536]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  443.673110]  ? retint_kernel+0x2d/0x2d
[  443.676998]  ? trace_hardirqs_on_caller+0xc0/0x310
[  443.681929]  ? find_held_lock+0x36/0x1c0
[  443.686003]  ? lock_acquire+0x1ed/0x520
[  443.689978]  ? bpf_test_run+0x3cb/0x780
[  443.693948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.699488]  ? check_preemption_disabled+0x48/0x280
[  443.704513]  ? kasan_check_read+0x11/0x20
[  443.708657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.713927]  ? rcu_softirq_qs+0x20/0x20
[  443.717905]  ? preempt_schedule+0x4d/0x60
[  443.722048]  ? ___preempt_schedule+0x16/0x18
[  443.726459]  ? bpf_test_run+0x25d/0x780
[  443.730437]  ? netlink_diag_dump+0x2a0/0x2a0
[  443.734850]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  443.739607]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  443.744446]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  443.749983]  ? fput+0x130/0x1a0
[  443.753257]  ? __bpf_prog_get+0x9b/0x290
[  443.757319]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  443.762156]  ? bpf_prog_test_run+0x130/0x1a0
[  443.766571]  ? __x64_sys_bpf+0x3d8/0x520
[  443.770626]  ? bpf_prog_get+0x20/0x20
[  443.774434]  ? do_syscall_64+0x142/0x820
[  443.778494]  ? do_syscall_64+0x1b9/0x820
[  443.782551]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  443.787909]  ? syscall_return_slowpath+0x5e0/0x5e0
[  443.792832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.797674]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.802688]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  443.807700]  ? prepare_exit_to_usermode+0x291/0x3b0
[  443.812720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.817564]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  443.822944] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  443.823019] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  443.829969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  443.829974] Call Trace:
[  443.829979]  <IRQ>
[  443.830001]  dump_stack+0x244/0x39d
[  443.830020]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.836539] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.845836]  warn_alloc.cold.116+0xb7/0x1bd
[  443.848387] syz-executor1 cpuset=syz1 mems_allowed=0
[  443.850522]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  443.883967]  ? lock_downgrade+0x900/0x900
[  443.888120]  ? trace_hardirqs_off+0xb8/0x310
[  443.892527]  ? trace_hardirqs_off+0xb8/0x310
[  443.896938]  __alloc_pages_slowpath+0x26e8/0x2e10
[  443.901808]  ? warn_alloc+0x120/0x120
[  443.905612]  ? warn_alloc+0x120/0x120
[  443.909410]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  443.914420]  ? warn_alloc+0x120/0x120
[  443.918217]  ? print_usage_bug+0xc0/0xc0
[  443.922279]  ? print_usage_bug+0xc0/0xc0
[  443.926337]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  443.931528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.937060]  ? should_fail+0x22d/0xd01
[  443.940946]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.946054]  ? __lock_acquire+0x62f/0x4c20
[  443.950290]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.955384]  ? should_fail+0x22d/0xd01
[  443.959279]  ? mark_held_locks+0x130/0x130
[  443.963513]  ? mark_held_locks+0x130/0x130
[  443.967743]  ? print_usage_bug+0xc0/0xc0
[  443.971802]  ? find_held_lock+0x36/0x1c0
[  443.975858]  ? zap_class+0x640/0x640
[  443.979571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.985105]  ? check_preemption_disabled+0x48/0x280
[  443.990141]  ? __lock_is_held+0xb5/0x140
[  443.994464]  __alloc_pages_nodemask+0xa80/0xde0
[  443.999128]  ? zap_class+0x640/0x640
[  444.002844]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  444.007866]  ? find_held_lock+0x36/0x1c0
[  444.011931]  ? ____cache_alloc_node+0x1c7/0x1e0
[  444.016604]  ? lock_downgrade+0x900/0x900
[  444.020751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.026289]  cache_grow_begin+0xa5/0x8c0
[  444.030343]  ? do_raw_spin_unlock+0xa7/0x330
[  444.034756]  fallback_alloc+0x204/0x2e0
[  444.038728]  ____cache_alloc_node+0x1c7/0x1e0
[  444.043222]  kmem_cache_alloc_node+0xe3/0x730
[  444.047710]  ? mark_held_locks+0xc7/0x130
[  444.051863]  __alloc_skb+0x119/0x770
[  444.055574]  ? netdev_alloc_frag+0x1f0/0x1f0
[  444.059975]  ? do_raw_spin_trylock+0x270/0x270
[  444.064560]  ? kmem_cache_alloc_trace+0x353/0x750
[  444.069401]  ? queue_work_on+0x12c/0x1e0
[  444.073464]  ? switchdev_port_obj_del+0xdc/0x440
[  444.078215]  ? switchdev_trans_item_enqueue+0x260/0x260
[  444.083583]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  444.088601]  __br_mdb_notify+0x4ff/0x15d0
[  444.092758]  ? __br_mdb_add+0x7f0/0x7f0
[  444.096742]  ? zap_class+0x640/0x640
[  444.100461]  ? br_multicast_group_expired+0x96/0x610
[  444.105563]  ? lock_downgrade+0x900/0x900
[  444.109716]  br_mdb_notify+0x310/0x410
[  444.113599]  ? br_mdb_dump+0x27b0/0x27b0
[  444.117661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.123202]  br_multicast_group_expired+0x1bc/0x610
[  444.128229]  ? br_mdb_free+0x80/0x80
[  444.131957]  call_timer_fn+0x272/0x920
[  444.135844]  ? br_mdb_free+0x80/0x80
[  444.139553]  ? process_timeout+0x40/0x40
[  444.143621]  ? mark_held_locks+0xc7/0x130
[  444.147764]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.152253]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.156745]  ? br_mdb_free+0x80/0x80
[  444.160454]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.165034]  ? trace_hardirqs_on+0xbd/0x310
[  444.169347]  ? kasan_check_read+0x11/0x20
[  444.173487]  ? __run_timers+0x7da/0xc70
[  444.177456]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.182560]  ? br_mdb_free+0x80/0x80
[  444.186274]  ? br_mdb_free+0x80/0x80
[  444.189982]  __run_timers+0x7e5/0xc70
[  444.193785]  ? timer_fixup_init+0x70/0x70
[  444.197943]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  444.202970]  ? zap_class+0x640/0x640
[  444.206685]  ? print_usage_bug+0xc0/0xc0
[  444.210745]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  444.215940]  ? find_held_lock+0x36/0x1c0
[  444.220003]  ? zap_class+0x640/0x640
[  444.223715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.229245]  ? check_preemption_disabled+0x48/0x280
[  444.234262]  ? __lock_is_held+0xb5/0x140
[  444.238316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.243846]  ? check_preemption_disabled+0x48/0x280
[  444.248859]  run_timer_softirq+0x52/0xb0
[  444.252914]  ? rcu_read_lock_sched_held+0x14f/0x180
[  444.257939]  __do_softirq+0x308/0xb7e
[  444.261744]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  444.266233]  ? lock_downgrade+0x900/0x900
[  444.270383]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  444.275490]  ? pvclock_read_flags+0x160/0x160
[  444.279985]  ? lapic_next_event+0x5a/0x90
[  444.284132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.289671]  ? kvm_clock_read+0x18/0x30
[  444.293638]  ? kvm_sched_clock_read+0x9/0x20
[  444.298040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.303572]  ? check_preemption_disabled+0x48/0x280
[  444.308588]  irq_exit+0x17f/0x1c0
[  444.312036]  smp_apic_timer_interrupt+0x1cb/0x760
[  444.316872]  ? smp_call_function_single_interrupt+0x650/0x650
[  444.322749]  ? interrupt_entry+0xb5/0xc0
[  444.326804]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.331817]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.336826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.341662]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.346671]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.351683]  ? task_prio+0x50/0x50
[  444.355218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.360748]  ? check_preemption_disabled+0x48/0x280
[  444.365767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.370611]  apic_timer_interrupt+0xf/0x20
[  444.374831]  </IRQ>
[  444.377066] RIP: 0010:dump_stack+0x358/0x39d
[  444.381474] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  444.400363] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  444.408063] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  444.415324] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  444.422584] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  444.429845] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  444.437104] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  444.444379]  ? dump_stack+0x34f/0x39d
[  444.448188]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.453376]  ? mark_held_locks+0x130/0x130
[  444.457608]  ? mark_held_locks+0x130/0x130
[  444.461840]  dump_header+0x27b/0xf72
[  444.465556]  ? pagefault_out_of_memory+0x197/0x197
[  444.470485]  ? __lock_acquire+0x62f/0x4c20
[  444.474713]  ? percpu_ref_get_many+0x240/0x240
[  444.479290]  ? print_usage_bug+0xc0/0xc0
[  444.483351]  ? zap_class+0x640/0x640
[  444.487062]  ? print_usage_bug+0xc0/0xc0
[  444.491118]  ? print_usage_bug+0xc0/0xc0
[  444.495174]  ? zap_class+0x640/0x640
[  444.498884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.504868]  ? find_held_lock+0x36/0x1c0
[  444.508938]  ? mark_held_locks+0xc7/0x130
[  444.513090]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.518187]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.523286]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.527867]  ? trace_hardirqs_on+0xbd/0x310
[  444.532181]  ? kasan_check_read+0x11/0x20
[  444.536321]  ? ___ratelimit+0x3b4/0x672
[  444.540291]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.545387]  ? trace_hardirqs_on+0x310/0x310
[  444.549790]  ? lock_downgrade+0x900/0x900
[  444.554023]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.559124]  ? ___ratelimit+0x3b9/0x672
[  444.563096]  ? idr_get_free+0xf70/0xf70
[  444.567066]  ? find_held_lock+0x36/0x1c0
[  444.571133]  oom_kill_process.cold.27+0x10/0x903
[  444.575883]  ? zap_class+0x640/0x640
[  444.579598]  ? check_preemption_disabled+0x48/0x280
[  444.584624]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.589549]  ? kasan_check_read+0x11/0x20
[  444.593688]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.598965]  ? oom_evaluate_task+0x540/0x540
[  444.603369]  ? find_held_lock+0x36/0x1c0
[  444.607431]  ? out_of_memory+0x974/0x1430
[  444.611572]  ? lock_downgrade+0x900/0x900
[  444.615712]  ? check_preemption_disabled+0x48/0x280
[  444.620724]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.625648]  ? kasan_check_read+0x11/0x20
[  444.629791]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.635062]  ? rcu_softirq_qs+0x20/0x20
[  444.639037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.644568]  ? oom_evaluate_task+0x302/0x540
[  444.648974]  out_of_memory+0xa84/0x1430
[  444.652956]  ? oom_killer_disable+0x3a0/0x3a0
[  444.657446]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  444.662376]  ? __ww_mutex_check_waiters+0x160/0x160
[  444.667397]  __alloc_pages_slowpath+0x2354/0x2e10
[  444.672715]  ? warn_alloc+0x120/0x120
[  444.676511]  ? mark_held_locks+0x130/0x130
[  444.680746]  ? find_get_entry+0xaae/0x1120
[  444.684992]  ? filemap_map_pages+0x1a20/0x1a20
[  444.689572]  ? zap_class+0x640/0x640
[  444.693285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.698817]  ? check_preemption_disabled+0x48/0x280
[  444.703830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.709360]  ? should_fail+0x22d/0xd01
[  444.713247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.718345]  ? zap_class+0x640/0x640
[  444.722078]  ? __lock_is_held+0xb5/0x140
[  444.726144]  ? mark_held_locks+0x130/0x130
[  444.730375]  ? lock_release+0xa00/0xa00
[  444.734348]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.739794]  ? xa_load+0x2ba/0x460
[  444.743330]  ? lock_downgrade+0x900/0x900
[  444.747480]  ? __might_sleep+0x95/0x190
[  444.751454]  __alloc_pages_nodemask+0xa80/0xde0
[  444.756122]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  444.761135]  ? __page_cache_alloc+0x191/0x5c0
[  444.765624]  ? xa_load+0x2e1/0x460
[  444.769158]  ? xa_clear_mark+0x40/0x40
[  444.773041]  ? zap_class+0x640/0x640
[  444.776755]  ? zap_class+0x640/0x640
[  444.780461]  ? zap_class+0x640/0x640
[  444.784172]  ? __do_page_cache_readahead+0x663/0x810
[  444.789274]  ? find_held_lock+0x36/0x1c0
[  444.793337]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  444.798877]  alloc_pages_current+0x173/0x350
[  444.803291]  __page_cache_alloc+0x38c/0x5c0
[  444.807605]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.812526]  ? kasan_check_read+0x11/0x20
[  444.816673]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.821951]  ? generic_perform_write+0x6a0/0x6a0
[  444.826703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.832235]  ? check_preemption_disabled+0x48/0x280
[  444.837251]  filemap_fault+0x1595/0x25f0
[  444.841316]  ? __lock_page_or_retry+0xa00/0xa00
[  444.845984]  ? mark_held_locks+0x130/0x130
[  444.850220]  ? filemap_map_pages+0xd6b/0x1a20
[  444.854710]  ? lock_downgrade+0x900/0x900
[  444.858850]  ? check_preemption_disabled+0x48/0x280
[  444.863865]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.868792]  ? kasan_check_read+0x11/0x20
[  444.872940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.878215]  ? rcu_softirq_qs+0x20/0x20
[  444.882197]  ? filemap_map_pages+0xd92/0x1a20
[  444.886695]  ? print_usage_bug+0xc0/0xc0
[  444.890756]  ? find_get_entries_tag+0x1400/0x1400
[  444.895590]  ? __kasan_slab_free+0x102/0x150
[  444.899995]  ? kasan_slab_free+0xe/0x10
[  444.903961]  ? kmem_cache_free+0x83/0x290
[  444.908102]  ? __sigqueue_free.part.29+0x74/0x90
[  444.912866]  ? lock_acquire+0x1ed/0x520
[  444.916841]  ? ext4_filemap_fault+0x7a/0xad
[  444.921168]  ? lock_release+0xa00/0xa00
[  444.925134]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.930585]  ? print_usage_bug+0xc0/0xc0
[  444.934639]  ? print_usage_bug+0xc0/0xc0
[  444.938703]  ? down_read+0x8d/0x120
[  444.942320]  ? ext4_filemap_fault+0x7a/0xad
[  444.946639]  ? __down_interruptible+0x700/0x700
[  444.951309]  ext4_filemap_fault+0x82/0xad
[  444.955454]  __do_fault+0x100/0x6b0
[  444.959083]  ? pmd_devmap_trans_unstable+0x220/0x220
[  444.964181]  ? mark_held_locks+0x130/0x130
[  444.968412]  ? mark_held_locks+0x130/0x130
[  444.972644]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  444.978175]  ? rcu_pm_notify+0xc0/0xc0
[  444.982062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.987604]  __handle_mm_fault+0x3ea0/0x5be0
[  444.992014]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  444.996853]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.001349]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.005935]  ? trace_hardirqs_on+0xbd/0x310
[  445.010251]  ? kasan_check_read+0x11/0x20
[  445.014395]  ? __set_current_blocked+0xdf/0x120
[  445.019063]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.024173]  ? zap_class+0x640/0x640
[  445.027889]  ? zap_class+0x640/0x640
[  445.031604]  ? find_held_lock+0x36/0x1c0
[  445.035681]  ? handle_mm_fault+0x42a/0xc70
[  445.039924]  ? lock_downgrade+0x900/0x900
[  445.044068]  ? check_preemption_disabled+0x48/0x280
[  445.049083]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  445.054007]  ? kasan_check_read+0x11/0x20
[  445.058148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.063418]  ? rcu_softirq_qs+0x20/0x20
[  445.067385]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.072489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.078025]  ? check_preemption_disabled+0x48/0x280
[  445.083048]  handle_mm_fault+0x54f/0xc70
[  445.087111]  ? __handle_mm_fault+0x5be0/0x5be0
[  445.091695]  ? find_vma+0x34/0x190
[  445.095234]  __do_page_fault+0x5e8/0xe60
[  445.099295]  ? exit_to_usermode_loop+0x1f4/0x380
[  445.104054]  do_page_fault+0xf2/0x7e0
[  445.107939]  ? vmalloc_sync_all+0x30/0x30
[  445.112100]  ? error_entry+0x70/0xd0
[  445.115829]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.120847]  ? trace_hardirqs_on_caller+0xc0/0x310
[  445.125782]  ? syscall_return_slowpath+0x5e0/0x5e0
[  445.130703]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.135542]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.140554]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  445.146003]  ? prepare_exit_to_usermode+0x291/0x3b0
[  445.151015]  ? page_fault+0x8/0x30
[  445.154558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.159399]  ? page_fault+0x8/0x30
[  445.162941]  page_fault+0x1e/0x30
[  445.166387] RIP: 0033:0x45db60
[  445.169583] Code: Bad RIP value.
[  445.172937] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  445.178291] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  445.185555] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  445.192816] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  445.200079] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  445.207340] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  445.214625] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  445.214630] warn_alloc_show_mem: 1 callbacks suppressed
[  445.214636] Mem-Info:
[  445.222025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  445.227391] active_anon:52805 inactive_anon:249 isolated_anon:0
[  445.227391]  active_file:17 inactive_file:10 isolated_file:0
[  445.227391]  unevictable:0 dirty:0 writeback:0 unstable:0
[  445.227391]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  445.227391]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  445.227391]  free:13758 free_pcp:272 free_cma:0
[  445.229769] Call Trace:
[  445.239141] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  445.271982]  <IRQ>
[  445.274557] 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
[  445.302133]  dump_stack+0x244/0x39d
[  445.304252] lowmem_reserve[]: 0 2818 6321 6321
[  445.330357]  ? dump_stack_print_info.cold.1+0x20/0x20
[  445.333955] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  445.338535]  warn_alloc.cold.116+0xb7/0x1bd
[  445.343689] lowmem_reserve[]: 0 0 3503 3503
[  445.371003]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  445.375301] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  445.379614]  ? lock_downgrade+0x900/0x900
[  445.384424] lowmem_reserve[]: 0 0 0 0
[  445.413304]  ? trace_hardirqs_off+0xb8/0x310
[  445.417420] 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
[  445.421214]  ? trace_hardirqs_off+0xb8/0x310
[  445.425592] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  445.439112]  __alloc_pages_slowpath+0x26e8/0x2e10
[  445.443485] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  445.458674]  ? warn_alloc+0x120/0x120
[  445.463471] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  445.478885]  ? print_usage_bug+0xc0/0xc0
[  445.482661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  445.491477]  ? warn_alloc+0x120/0x120
[  445.495519] 326 total pagecache pages
[  445.504411]  ? warn_alloc+0x120/0x120
[  445.508195] 0 pages in swap cache
[  445.511978]  ? print_usage_bug+0xc0/0xc0
[  445.515746] Swap cache stats: add 0, delete 0, find 0/0
[  445.515754] Free swap  = 0kB
[  445.519195]  ? print_usage_bug+0xc0/0xc0
[  445.523222] Total swap = 0kB
[  445.523230] 1965979 pages RAM
[  445.528580]  ? __lock_acquire+0x62f/0x4c20
[  445.531567] 0 pages HighMem/MovableOnly
[  445.535626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.538607] 342854 pages reserved
[  445.538614] 0 pages cma reserved
[  445.541715]  ? should_fail+0x22d/0xd01
[  445.546066] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  445.549889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.555482] syz-fuzzer cpuset=/ mems_allowed=0
[  445.558946]  ? __lock_acquire+0x62f/0x4c20
[  445.590236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.595330]  ? __lock_acquire+0x62f/0x4c20
[  445.599563]  ? should_fail+0x22d/0xd01
[  445.603443]  ? find_held_lock+0x36/0x1c0
[  445.607506]  ? mark_held_locks+0x130/0x130
[  445.611737]  ? mark_held_locks+0x130/0x130
[  445.615965]  ? zap_class+0x640/0x640
[  445.619672]  ? zap_class+0x640/0x640
[  445.623383]  ? print_usage_bug+0xc0/0xc0
[  445.627440]  ? do_raw_spin_unlock+0xa7/0x330
[  445.631847]  ? zap_class+0x640/0x640
[  445.635554]  ? print_usage_bug+0xc0/0xc0
[  445.639609]  ? wq_watchdog_touch+0x9c/0xfe
[  445.643851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.649384]  ? check_preemption_disabled+0x48/0x280
[  445.654407]  ? __lock_is_held+0xb5/0x140
[  445.658473]  __alloc_pages_nodemask+0xa80/0xde0
[  445.663136]  ? zap_class+0x640/0x640
[  445.666853]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  445.671878]  ? find_held_lock+0x36/0x1c0
[  445.675948]  ? ____cache_alloc_node+0x1c7/0x1e0
[  445.680612]  ? lock_downgrade+0x900/0x900
[  445.684762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.690303]  cache_grow_begin+0xa5/0x8c0
[  445.694362]  ? do_raw_spin_unlock+0xa7/0x330
[  445.698773]  fallback_alloc+0x204/0x2e0
[  445.702752]  ____cache_alloc_node+0x1c7/0x1e0
[  445.707246]  kmem_cache_alloc_node+0xe3/0x730
[  445.711744]  ? ipv6_get_ifaddr+0x42e/0x620
[  445.715986]  __alloc_skb+0x119/0x770
[  445.719696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.724974]  ? netdev_alloc_frag+0x1f0/0x1f0
[  445.729383]  ? lock_downgrade+0x900/0x900
[  445.733536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.739068]  ? refcount_sub_and_test_checked+0x203/0x310
[  445.744522]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  445.749966]  ? addrconf_rs_timer+0x690/0x690
[  445.754380]  ndisc_alloc_skb+0x144/0x340
[  445.758443]  ndisc_send_rs+0x331/0x6e0
[  445.762329]  addrconf_rs_timer+0x314/0x690
[  445.766567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.770816]  call_timer_fn+0x272/0x920
[  445.774699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.778934]  ? process_timeout+0x40/0x40
[  445.782994]  ? __run_timers+0x7da/0xc70
[  445.786964]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.791452]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.795944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.800178]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.804760]  ? trace_hardirqs_on+0xbd/0x310
[  445.809086]  ? kasan_check_read+0x11/0x20
[  445.813229]  ? __run_timers+0x7da/0xc70
[  445.817200]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.822303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.826539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.830766]  __run_timers+0x7e5/0xc70
[  445.834570]  ? timer_fixup_init+0x70/0x70
[  445.838713]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  445.843727]  ? zap_class+0x640/0x640
[  445.847441]  ? enqueue_hrtimer+0x1a5/0x560
[  445.851671]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  445.856862]  ? find_held_lock+0x36/0x1c0
[  445.860922]  ? zap_class+0x640/0x640
[  445.864643]  ? pvclock_read_flags+0x160/0x160
[  445.869136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.874672]  ? check_preemption_disabled+0x48/0x280
[  445.879958]  ? __lock_is_held+0xb5/0x140
[  445.884013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.889547]  ? check_preemption_disabled+0x48/0x280
[  445.894560]  run_timer_softirq+0x52/0xb0
[  445.898617]  ? rcu_read_lock_sched_held+0x14f/0x180
[  445.903629]  __do_softirq+0x308/0xb7e
[  445.907428]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  445.911919]  ? lock_downgrade+0x900/0x900
[  445.916069]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  445.921176]  ? pvclock_read_flags+0x160/0x160
[  445.925669]  ? lapic_next_event+0x5a/0x90
[  445.929817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.935356]  ? kvm_clock_read+0x18/0x30
[  445.939330]  ? kvm_sched_clock_read+0x9/0x20
[  445.943739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.949271]  ? check_preemption_disabled+0x48/0x280
[  445.954291]  irq_exit+0x17f/0x1c0
[  445.957743]  smp_apic_timer_interrupt+0x1cb/0x760
[  445.962580]  ? smp_call_function_single_interrupt+0x159/0x650
[  445.968477]  ? smp_call_function_single_interrupt+0x650/0x650
[  445.974357]  ? interrupt_entry+0xb5/0xc0
[  445.978494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.983511]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.988521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.993363]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.998374]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.003386]  ? task_prio+0x50/0x50
[  446.006922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.012454]  ? check_preemption_disabled+0x48/0x280
[  446.017473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.022315]  apic_timer_interrupt+0xf/0x20
[  446.026546]  </IRQ>
[  446.028780] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  446.034672] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  446.053571] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  446.061274] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  446.068540] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  446.075809] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  446.083077] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  446.090340] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  446.097630]  ? save_stack+0xa9/0xd0
[  446.101266]  __kmalloc_node_track_caller+0x3c/0x70
[  446.106198]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  446.110956]  pskb_expand_head+0x230/0x10f0
[  446.115197]  ? memcpy+0x45/0x50
[  446.118476]  ? __copy_skb_header+0x350/0x6b0
[  446.122879]  ? skb_release_data+0x880/0x880
[  446.127194]  ? __alloc_skb+0x770/0x770
[  446.131084]  ? __lock_is_held+0xb5/0x140
[  446.135145]  ? kasan_check_write+0x14/0x20
[  446.139372]  ? __skb_clone+0x6c7/0xa00
[  446.143258]  ? __copy_skb_header+0x6b0/0x6b0
[  446.147668]  ? kmem_cache_alloc+0x33a/0x730
[  446.151993]  skb_ensure_writable+0x3dd/0x640
[  446.156399]  ? skb_checksum_setup+0xaa0/0xaa0
[  446.160887]  ? check_preemption_disabled+0x48/0x280
[  446.165906]  ? __this_cpu_preempt_check+0x1c/0x20
[  446.170742]  ? __bpf_redirect+0x54b/0xb20
[  446.174898]  bpf_clone_redirect+0x14a/0x490
[  446.179221]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  446.184236]  ? __sched_text_start+0x8/0x8
[  446.188381]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  446.192957]  ? retint_kernel+0x2d/0x2d
[  446.196837]  ? trace_hardirqs_on_caller+0xc0/0x310
[  446.201775]  ? find_held_lock+0x36/0x1c0
[  446.205844]  ? lock_acquire+0x1ed/0x520
[  446.209813]  ? bpf_test_run+0x3cb/0x780
[  446.213788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.219323]  ? check_preemption_disabled+0x48/0x280
[  446.224342]  ? kasan_check_read+0x11/0x20
[  446.228486]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.233755]  ? rcu_softirq_qs+0x20/0x20
[  446.237730]  ? preempt_schedule+0x4d/0x60
[  446.241878]  ? ___preempt_schedule+0x16/0x18
[  446.246291]  ? bpf_test_run+0x25d/0x780
[  446.250282]  ? netlink_diag_dump+0x2a0/0x2a0
[  446.254704]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  446.259466]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  446.264314]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  446.269851]  ? fput+0x130/0x1a0
[  446.273129]  ? __bpf_prog_get+0x9b/0x290
[  446.277360]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  446.282197]  ? bpf_prog_test_run+0x130/0x1a0
[  446.286604]  ? __x64_sys_bpf+0x3d8/0x520
[  446.290663]  ? bpf_prog_get+0x20/0x20
[  446.294471]  ? do_syscall_64+0x142/0x820
[  446.298532]  ? do_syscall_64+0x1b9/0x820
[  446.302586]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  446.307945]  ? syscall_return_slowpath+0x5e0/0x5e0
[  446.312870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.317709]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.322725]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  446.327741]  ? prepare_exit_to_usermode+0x291/0x3b0
[  446.332774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.337618]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  446.342992] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  446.343054] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  446.350007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  446.350012] Call Trace:
[  446.350018]  <IRQ>
[  446.350033]  dump_stack+0x244/0x39d
[  446.350053]  ? dump_stack_print_info.cold.1+0x20/0x20
[  446.356669] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  446.365978]  warn_alloc.cold.116+0xb7/0x1bd
[  446.368529] syz-executor1 cpuset=syz1 mems_allowed=0
[  446.370668]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  446.404137]  ? lock_downgrade+0x900/0x900
[  446.408293]  ? trace_hardirqs_off+0xb8/0x310
[  446.412703]  ? trace_hardirqs_off+0xb8/0x310
[  446.417113]  __alloc_pages_slowpath+0x26e8/0x2e10
[  446.421975]  ? warn_alloc+0x120/0x120
[  446.425795]  ? warn_alloc+0x120/0x120
[  446.429594]  ? warn_alloc+0x120/0x120
[  446.433392]  ? print_usage_bug+0xc0/0xc0
[  446.437450]  ? print_usage_bug+0xc0/0xc0
[  446.441507]  ? mark_held_locks+0x130/0x130
[  446.445742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.451299]  ? should_fail+0x22d/0xd01
[  446.455185]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.460282]  ? __lock_acquire+0x62f/0x4c20
[  446.464513]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.469610]  ? should_fail+0x22d/0xd01
[  446.473501]  ? mark_held_locks+0x130/0x130
[  446.477732]  ? mark_held_locks+0x130/0x130
[  446.481966]  ? print_usage_bug+0xc0/0xc0
[  446.486024]  ? find_held_lock+0x36/0x1c0
[  446.490084]  ? zap_class+0x640/0x640
[  446.493801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.499335]  ? check_preemption_disabled+0x48/0x280
[  446.504810]  ? __lock_is_held+0xb5/0x140
[  446.508874]  __alloc_pages_nodemask+0xa80/0xde0
[  446.513540]  ? zap_class+0x640/0x640
[  446.517253]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  446.522276]  ? find_held_lock+0x36/0x1c0
[  446.526360]  ? ____cache_alloc_node+0x1c7/0x1e0
[  446.531024]  ? lock_downgrade+0x900/0x900
[  446.535177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.540712]  cache_grow_begin+0xa5/0x8c0
[  446.544784]  ? do_raw_spin_unlock+0xa7/0x330
[  446.549197]  fallback_alloc+0x204/0x2e0
[  446.553174]  ____cache_alloc_node+0x1c7/0x1e0
[  446.557668]  kmem_cache_alloc_node+0xe3/0x730
[  446.562157]  ? mark_held_locks+0xc7/0x130
[  446.566308]  __alloc_skb+0x119/0x770
[  446.570041]  ? netdev_alloc_frag+0x1f0/0x1f0
[  446.574444]  ? do_raw_spin_trylock+0x270/0x270
[  446.579025]  ? kmem_cache_alloc_trace+0x353/0x750
[  446.583867]  ? queue_work_on+0x12c/0x1e0
[  446.587928]  ? switchdev_port_obj_del+0xdc/0x440
[  446.592684]  ? switchdev_trans_item_enqueue+0x260/0x260
[  446.598049]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  446.603068]  __br_mdb_notify+0x4ff/0x15d0
[  446.607224]  ? __br_mdb_add+0x7f0/0x7f0
[  446.611208]  ? zap_class+0x640/0x640
[  446.615016]  ? br_multicast_group_expired+0x96/0x610
[  446.620113]  ? lock_downgrade+0x900/0x900
[  446.624263]  br_mdb_notify+0x310/0x410
[  446.628148]  ? br_mdb_dump+0x27b0/0x27b0
[  446.632211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.637757]  br_multicast_group_expired+0x1bc/0x610
[  446.642780]  ? br_mdb_free+0x80/0x80
[  446.646499]  call_timer_fn+0x272/0x920
[  446.650384]  ? br_mdb_free+0x80/0x80
[  446.654093]  ? process_timeout+0x40/0x40
[  446.658161]  ? mark_held_locks+0xc7/0x130
[  446.662310]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.666883]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.671864]  ? br_mdb_free+0x80/0x80
[  446.675590]  ? lockdep_hardirqs_on+0x296/0x5b0
[  446.680169]  ? trace_hardirqs_on+0xbd/0x310
[  446.684484]  ? kasan_check_read+0x11/0x20
[  446.688624]  ? __run_timers+0x7da/0xc70
[  446.692593]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.697696]  ? br_mdb_free+0x80/0x80
[  446.701415]  ? br_mdb_free+0x80/0x80
[  446.705120]  __run_timers+0x7e5/0xc70
[  446.708926]  ? timer_fixup_init+0x70/0x70
[  446.713073]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  446.718084]  ? zap_class+0x640/0x640
[  446.721808]  ? print_usage_bug+0xc0/0xc0
[  446.725868]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  446.731060]  ? find_held_lock+0x36/0x1c0
[  446.735124]  ? zap_class+0x640/0x640
[  446.738839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.744377]  ? check_preemption_disabled+0x48/0x280
[  446.749396]  ? __lock_is_held+0xb5/0x140
[  446.753455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.758989]  ? check_preemption_disabled+0x48/0x280
[  446.764004]  run_timer_softirq+0x52/0xb0
[  446.768063]  ? rcu_read_lock_sched_held+0x14f/0x180
[  446.773078]  __do_softirq+0x308/0xb7e
[  446.776880]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  446.781367]  ? lock_downgrade+0x900/0x900
[  446.785526]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  446.790635]  ? pvclock_read_flags+0x160/0x160
[  446.795303]  ? lapic_next_event+0x5a/0x90
[  446.799450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.804989]  ? kvm_clock_read+0x18/0x30
[  446.808959]  ? kvm_sched_clock_read+0x9/0x20
[  446.813367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.818897]  ? check_preemption_disabled+0x48/0x280
[  446.823917]  irq_exit+0x17f/0x1c0
[  446.827366]  smp_apic_timer_interrupt+0x1cb/0x760
[  446.832209]  ? smp_call_function_single_interrupt+0x650/0x650
[  446.838086]  ? interrupt_entry+0xb5/0xc0
[  446.842143]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.847152]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.852161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.857003]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.862014]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.867024]  ? task_prio+0x50/0x50
[  446.870558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.876093]  ? check_preemption_disabled+0x48/0x280
[  446.881112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.885957]  apic_timer_interrupt+0xf/0x20
[  446.890179]  </IRQ>
[  446.892413] RIP: 0010:dump_stack+0x358/0x39d
[  446.896814] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  446.915717] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  446.923422] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  446.930685] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  446.937953] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  446.945214] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  446.952480] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  446.959767]  ? dump_stack+0x34f/0x39d
[  446.963575]  ? dump_stack_print_info.cold.1+0x20/0x20
[  446.968853]  ? mark_held_locks+0x130/0x130
[  446.973089]  ? mark_held_locks+0x130/0x130
[  446.977326]  dump_header+0x27b/0xf72
[  446.981046]  ? pagefault_out_of_memory+0x197/0x197
[  446.985976]  ? __lock_acquire+0x62f/0x4c20
[  446.990207]  ? percpu_ref_get_many+0x240/0x240
[  446.994786]  ? print_usage_bug+0xc0/0xc0
[  446.998849]  ? zap_class+0x640/0x640
[  447.002557]  ? print_usage_bug+0xc0/0xc0
[  447.006609]  ? print_usage_bug+0xc0/0xc0
[  447.010666]  ? zap_class+0x640/0x640
[  447.014378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.019922]  ? find_held_lock+0x36/0x1c0
[  447.023985]  ? mark_held_locks+0xc7/0x130
[  447.028130]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  447.033226]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  447.038327]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  447.042907]  ? trace_hardirqs_on+0xbd/0x310
[  447.047221]  ? kasan_check_read+0x11/0x20
[  447.051365]  ? ___ratelimit+0x3b4/0x672
[  447.055337]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.060432]  ? trace_hardirqs_on+0x310/0x310
[  447.064836]  ? lock_downgrade+0x900/0x900
[  447.068983]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  447.074104]  ? ___ratelimit+0x3b9/0x672
[  447.078077]  ? idr_get_free+0xf70/0xf70
[  447.082044]  ? find_held_lock+0x36/0x1c0
[  447.086106]  oom_kill_process.cold.27+0x10/0x903
[  447.090855]  ? zap_class+0x640/0x640
[  447.094567]  ? check_preemption_disabled+0x48/0x280
[  447.099584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.104505]  ? kasan_check_read+0x11/0x20
[  447.108651]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.113926]  ? oom_evaluate_task+0x540/0x540
[  447.118335]  ? find_held_lock+0x36/0x1c0
[  447.122396]  ? out_of_memory+0x974/0x1430
[  447.126539]  ? lock_downgrade+0x900/0x900
[  447.130685]  ? check_preemption_disabled+0x48/0x280
[  447.135713]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.140638]  ? kasan_check_read+0x11/0x20
[  447.144798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.150067]  ? rcu_softirq_qs+0x20/0x20
[  447.154041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.159569]  ? oom_evaluate_task+0x302/0x540
[  447.163978]  out_of_memory+0xa84/0x1430
[  447.167957]  ? oom_killer_disable+0x3a0/0x3a0
[  447.172447]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  447.177374]  ? __ww_mutex_check_waiters+0x160/0x160
[  447.182398]  __alloc_pages_slowpath+0x2354/0x2e10
[  447.187266]  ? warn_alloc+0x120/0x120
[  447.191060]  ? mark_held_locks+0x130/0x130
[  447.195297]  ? find_get_entry+0xaae/0x1120
[  447.199533]  ? filemap_map_pages+0x1a20/0x1a20
[  447.204113]  ? zap_class+0x640/0x640
[  447.207825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.213360]  ? check_preemption_disabled+0x48/0x280
[  447.218370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.223900]  ? should_fail+0x22d/0xd01
[  447.227787]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.232890]  ? zap_class+0x640/0x640
[  447.236625]  ? __lock_is_held+0xb5/0x140
[  447.240694]  ? mark_held_locks+0x130/0x130
[  447.244934]  ? lock_release+0xa00/0xa00
[  447.248903]  ? perf_trace_sched_process_exec+0x860/0x860
[  447.254346]  ? xa_load+0x2ba/0x460
[  447.257882]  ? lock_downgrade+0x900/0x900
[  447.262028]  ? __might_sleep+0x95/0x190
[  447.266000]  __alloc_pages_nodemask+0xa80/0xde0
[  447.270674]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  447.275701]  ? __page_cache_alloc+0x191/0x5c0
[  447.280192]  ? xa_load+0x2e1/0x460
[  447.283733]  ? xa_clear_mark+0x40/0x40
[  447.287616]  ? zap_class+0x640/0x640
[  447.291335]  ? zap_class+0x640/0x640
[  447.295046]  ? zap_class+0x640/0x640
[  447.298758]  ? __do_page_cache_readahead+0x663/0x810
[  447.303863]  ? find_held_lock+0x36/0x1c0
[  447.307926]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  447.313463]  alloc_pages_current+0x173/0x350
[  447.317872]  __page_cache_alloc+0x38c/0x5c0
[  447.322191]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.327113]  ? kasan_check_read+0x11/0x20
[  447.331256]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.336529]  ? generic_perform_write+0x6a0/0x6a0
[  447.341281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.346824]  ? check_preemption_disabled+0x48/0x280
[  447.351844]  filemap_fault+0x1595/0x25f0
[  447.355914]  ? __lock_page_or_retry+0xa00/0xa00
[  447.360580]  ? mark_held_locks+0x130/0x130
[  447.364817]  ? filemap_map_pages+0xd6b/0x1a20
[  447.369310]  ? lock_downgrade+0x900/0x900
[  447.373456]  ? check_preemption_disabled+0x48/0x280
[  447.378467]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.383390]  ? kasan_check_read+0x11/0x20
[  447.387530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.392802]  ? rcu_softirq_qs+0x20/0x20
[  447.396785]  ? filemap_map_pages+0xd92/0x1a20
[  447.401277]  ? print_usage_bug+0xc0/0xc0
[  447.405338]  ? find_get_entries_tag+0x1400/0x1400
[  447.410174]  ? __kasan_slab_free+0x102/0x150
[  447.414581]  ? kasan_slab_free+0xe/0x10
[  447.418550]  ? kmem_cache_free+0x83/0x290
[  447.422701]  ? __sigqueue_free.part.29+0x74/0x90
[  447.427474]  ? lock_acquire+0x1ed/0x520
[  447.431442]  ? ext4_filemap_fault+0x7a/0xad
[  447.435761]  ? lock_release+0xa00/0xa00
[  447.439738]  ? perf_trace_sched_process_exec+0x860/0x860
[  447.445184]  ? print_usage_bug+0xc0/0xc0
[  447.449240]  ? print_usage_bug+0xc0/0xc0
[  447.453304]  ? down_read+0x8d/0x120
[  447.456924]  ? ext4_filemap_fault+0x7a/0xad
[  447.461240]  ? __down_interruptible+0x700/0x700
[  447.465920]  ext4_filemap_fault+0x82/0xad
[  447.470068]  __do_fault+0x100/0x6b0
[  447.473706]  ? pmd_devmap_trans_unstable+0x220/0x220
[  447.478806]  ? mark_held_locks+0x130/0x130
[  447.483035]  ? mark_held_locks+0x130/0x130
[  447.487269]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  447.492804]  ? rcu_pm_notify+0xc0/0xc0
[  447.496707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.502765]  __handle_mm_fault+0x3ea0/0x5be0
[  447.507177]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  447.512012]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.516503]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  447.521083]  ? trace_hardirqs_on+0xbd/0x310
[  447.525399]  ? kasan_check_read+0x11/0x20
[  447.529542]  ? __set_current_blocked+0xdf/0x120
[  447.534207]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.539317]  ? zap_class+0x640/0x640
[  447.543025]  ? zap_class+0x640/0x640
[  447.546741]  ? find_held_lock+0x36/0x1c0
[  447.550805]  ? handle_mm_fault+0x42a/0xc70
[  447.555037]  ? lock_downgrade+0x900/0x900
[  447.559181]  ? check_preemption_disabled+0x48/0x280
[  447.564195]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.569122]  ? kasan_check_read+0x11/0x20
[  447.573262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.578540]  ? rcu_softirq_qs+0x20/0x20
[  447.582509]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.587607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.593138]  ? check_preemption_disabled+0x48/0x280
[  447.598154]  handle_mm_fault+0x54f/0xc70
[  447.602211]  ? __handle_mm_fault+0x5be0/0x5be0
[  447.606790]  ? find_vma+0x34/0x190
[  447.610332]  __do_page_fault+0x5e8/0xe60
[  447.614391]  ? exit_to_usermode_loop+0x1f4/0x380
[  447.619148]  do_page_fault+0xf2/0x7e0
[  447.622942]  ? vmalloc_sync_all+0x30/0x30
[  447.627082]  ? error_entry+0x70/0xd0
[  447.630792]  ? trace_hardirqs_off_caller+0xbb/0x310
[  447.635799]  ? trace_hardirqs_on_caller+0xc0/0x310
[  447.640720]  ? syscall_return_slowpath+0x5e0/0x5e0
[  447.645644]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.650913]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.655939]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  447.661386]  ? prepare_exit_to_usermode+0x291/0x3b0
[  447.666394]  ? page_fault+0x8/0x30
[  447.669930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.674771]  ? page_fault+0x8/0x30
[  447.678305]  page_fault+0x1e/0x30
[  447.681749] RIP: 0033:0x45db60
[  447.684947] Code: Bad RIP value.
[  447.688302] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  447.693666] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  447.700937] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  447.708198] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  447.715459] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  447.722720] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  447.730001] warn_alloc_show_mem: 1 callbacks suppressed
[  447.730011] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  447.730012] Mem-Info:
[  447.730042] active_anon:52805 inactive_anon:249 isolated_anon:0
[  447.730042]  active_file:17 inactive_file:10 isolated_file:0
[  447.730042]  unevictable:0 dirty:0 writeback:0 unstable:0
[  447.730042]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  447.730042]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  447.730042]  free:13758 free_pcp:272 free_cma:0
[  447.735377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  447.735384] Call Trace:
[  447.742743] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  447.745133]  <IRQ>
[  447.777986] 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
[  447.787333]  dump_stack+0x244/0x39d
[  447.789888] lowmem_reserve[]: 0 2818 6321 6321
[  447.817465]  ? dump_stack_print_info.cold.1+0x20/0x20
[  447.819583] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  447.845688]  warn_alloc.cold.116+0xb7/0x1bd
[  447.849283] lowmem_reserve[]: 0 0 3503 3503
[  447.853853]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  447.859012] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  447.886326]  ? lock_downgrade+0x900/0x900
[  447.890617] lowmem_reserve[]: 0 0 0 0
[  447.894944]  ? trace_hardirqs_off+0xb8/0x310
[  447.899753] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  447.928638]  ? trace_hardirqs_off+0xb8/0x310
[  447.932752] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  447.936544]  __alloc_pages_slowpath+0x26e8/0x2e10
[  447.940921] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  447.954458]  ? warn_alloc+0x120/0x120
[  447.958823] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  447.973973]  ? print_usage_bug+0xc0/0xc0
[  447.978800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  447.994308]  ? warn_alloc+0x120/0x120
[  447.998079] 326 total pagecache pages
[  448.006911]  ? warn_alloc+0x120/0x120
[  448.010948] 0 pages in swap cache
[  448.019503]  ? print_usage_bug+0xc0/0xc0
[  448.023274] Swap cache stats: add 0, delete 0, find 0/0
[  448.027061]  ? print_usage_bug+0xc0/0xc0
[  448.030829] Free swap  = 0kB
[  448.034268]  ? __lock_acquire+0x62f/0x4c20
[  448.038299] Total swap = 0kB
[  448.043653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.047682] 1965979 pages RAM
[  448.050690]  ? should_fail+0x22d/0xd01
[  448.054891] 0 pages HighMem/MovableOnly
[  448.057902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.063404] 342854 pages reserved
[  448.063411] 0 pages cma reserved
[  448.066505]  ? __lock_acquire+0x62f/0x4c20
[  448.070498] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  448.074323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.079395] syz-fuzzer cpuset=/ mems_allowed=0
[  448.082841]  ? __lock_acquire+0x62f/0x4c20
[  448.114468]  ? should_fail+0x22d/0xd01
[  448.118349]  ? find_held_lock+0x36/0x1c0
[  448.122411]  ? mark_held_locks+0x130/0x130
[  448.126651]  ? mark_held_locks+0x130/0x130
[  448.130882]  ? zap_class+0x640/0x640
[  448.134593]  ? zap_class+0x640/0x640
[  448.138307]  ? print_usage_bug+0xc0/0xc0
[  448.142364]  ? do_raw_spin_unlock+0xa7/0x330
[  448.146768]  ? zap_class+0x640/0x640
[  448.150478]  ? print_usage_bug+0xc0/0xc0
[  448.154540]  ? wq_watchdog_touch+0x9c/0xfe
[  448.158774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.164306]  ? check_preemption_disabled+0x48/0x280
[  448.169326]  ? __lock_is_held+0xb5/0x140
[  448.173387]  __alloc_pages_nodemask+0xa80/0xde0
[  448.178054]  ? zap_class+0x640/0x640
[  448.181768]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  448.186788]  ? find_held_lock+0x36/0x1c0
[  448.190856]  ? ____cache_alloc_node+0x1c7/0x1e0
[  448.195524]  ? lock_downgrade+0x900/0x900
[  448.199675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.205211]  cache_grow_begin+0xa5/0x8c0
[  448.209262]  ? do_raw_spin_unlock+0xa7/0x330
[  448.213675]  fallback_alloc+0x204/0x2e0
[  448.217655]  ____cache_alloc_node+0x1c7/0x1e0
[  448.222153]  kmem_cache_alloc_node+0xe3/0x730
[  448.226649]  ? ipv6_get_ifaddr+0x42e/0x620
[  448.230894]  __alloc_skb+0x119/0x770
[  448.234611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.239892]  ? netdev_alloc_frag+0x1f0/0x1f0
[  448.244294]  ? lock_downgrade+0x900/0x900
[  448.248623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.254156]  ? refcount_sub_and_test_checked+0x203/0x310
[  448.259695]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  448.265143]  ? addrconf_rs_timer+0x690/0x690
[  448.269557]  ndisc_alloc_skb+0x144/0x340
[  448.273625]  ndisc_send_rs+0x331/0x6e0
[  448.277515]  addrconf_rs_timer+0x314/0x690
[  448.281752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.285994]  call_timer_fn+0x272/0x920
[  448.289875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.294106]  ? process_timeout+0x40/0x40
[  448.298181]  ? __run_timers+0x7da/0xc70
[  448.302156]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.306646]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.311137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.315366]  ? lockdep_hardirqs_on+0x296/0x5b0
[  448.319943]  ? trace_hardirqs_on+0xbd/0x310
[  448.324258]  ? kasan_check_read+0x11/0x20
[  448.328400]  ? __run_timers+0x7da/0xc70
[  448.332372]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.337473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.341707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.345933]  __run_timers+0x7e5/0xc70
[  448.349736]  ? timer_fixup_init+0x70/0x70
[  448.353878]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  448.358888]  ? zap_class+0x640/0x640
[  448.362622]  ? enqueue_hrtimer+0x1a5/0x560
[  448.366856]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  448.372050]  ? find_held_lock+0x36/0x1c0
[  448.376111]  ? zap_class+0x640/0x640
[  448.379828]  ? pvclock_read_flags+0x160/0x160
[  448.384322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.389860]  ? check_preemption_disabled+0x48/0x280
[  448.394879]  ? __lock_is_held+0xb5/0x140
[  448.398934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.404468]  ? check_preemption_disabled+0x48/0x280
[  448.409482]  run_timer_softirq+0x52/0xb0
[  448.413540]  ? rcu_read_lock_sched_held+0x14f/0x180
[  448.418549]  __do_softirq+0x308/0xb7e
[  448.422351]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  448.426843]  ? lock_downgrade+0x900/0x900
[  448.430992]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  448.436096]  ? pvclock_read_flags+0x160/0x160
[  448.440601]  ? lapic_next_event+0x5a/0x90
[  448.444750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.450286]  ? kvm_clock_read+0x18/0x30
[  448.454257]  ? kvm_sched_clock_read+0x9/0x20
[  448.458660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.464202]  ? check_preemption_disabled+0x48/0x280
[  448.469225]  irq_exit+0x17f/0x1c0
[  448.472678]  smp_apic_timer_interrupt+0x1cb/0x760
[  448.477515]  ? smp_call_function_single_interrupt+0x159/0x650
[  448.483394]  ? smp_call_function_single_interrupt+0x650/0x650
[  448.489275]  ? interrupt_entry+0xb5/0xc0
[  448.493329]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.498337]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.503350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.508187]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.513197]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.518212]  ? task_prio+0x50/0x50
[  448.521754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.527292]  ? check_preemption_disabled+0x48/0x280
[  448.532312]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.537165]  apic_timer_interrupt+0xf/0x20
[  448.541388]  </IRQ>
[  448.543622] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  448.549503] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  448.568501] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  448.576203] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  448.583468] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  448.590733] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  448.598006] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  448.605271] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  448.612563]  ? save_stack+0xa9/0xd0
[  448.616201]  __kmalloc_node_track_caller+0x3c/0x70
[  448.621136]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  448.625891]  pskb_expand_head+0x230/0x10f0
[  448.630128]  ? memcpy+0x45/0x50
[  448.633402]  ? __copy_skb_header+0x350/0x6b0
[  448.637805]  ? skb_release_data+0x880/0x880
[  448.642128]  ? __alloc_skb+0x770/0x770
[  448.646023]  ? __lock_is_held+0xb5/0x140
[  448.650086]  ? kasan_check_write+0x14/0x20
[  448.654321]  ? __skb_clone+0x6c7/0xa00
[  448.658204]  ? __copy_skb_header+0x6b0/0x6b0
[  448.662607]  ? kmem_cache_alloc+0x33a/0x730
[  448.666934]  skb_ensure_writable+0x3dd/0x640
[  448.672314]  ? skb_checksum_setup+0xaa0/0xaa0
[  448.676813]  ? check_preemption_disabled+0x48/0x280
[  448.681832]  ? __this_cpu_preempt_check+0x1c/0x20
[  448.686673]  ? __bpf_redirect+0x54b/0xb20
[  448.690823]  bpf_clone_redirect+0x14a/0x490
[  448.695159]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  448.700177]  ? __sched_text_start+0x8/0x8
[  448.704329]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  448.708909]  ? retint_kernel+0x2d/0x2d
[  448.712792]  ? trace_hardirqs_on_caller+0xc0/0x310
[  448.717809]  ? find_held_lock+0x36/0x1c0
[  448.721877]  ? lock_acquire+0x1ed/0x520
[  448.725848]  ? bpf_test_run+0x3cb/0x780
[  448.729824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.735359]  ? check_preemption_disabled+0x48/0x280
[  448.740379]  ? kasan_check_read+0x11/0x20
[  448.744525]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.749796]  ? rcu_softirq_qs+0x20/0x20
[  448.753766]  ? preempt_schedule+0x4d/0x60
[  448.757917]  ? ___preempt_schedule+0x16/0x18
[  448.762328]  ? bpf_test_run+0x25d/0x780
[  448.766312]  ? netlink_diag_dump+0x2a0/0x2a0
[  448.770730]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  448.775490]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  448.780331]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  448.785865]  ? fput+0x130/0x1a0
[  448.789140]  ? __bpf_prog_get+0x9b/0x290
[  448.793203]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  448.798137]  ? bpf_prog_test_run+0x130/0x1a0
[  448.802544]  ? __x64_sys_bpf+0x3d8/0x520
[  448.806608]  ? bpf_prog_get+0x20/0x20
[  448.810414]  ? do_syscall_64+0x142/0x820
[  448.814480]  ? do_syscall_64+0x1b9/0x820
[  448.818536]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  448.823907]  ? syscall_return_slowpath+0x5e0/0x5e0
[  448.828829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.833669]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.838681]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  448.843702]  ? prepare_exit_to_usermode+0x291/0x3b0
[  448.848720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.853570]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  448.858946] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  448.859013] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  448.865957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  448.865964] Call Trace:
[  448.872721] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  448.881951]  <IRQ>
[  448.884514] syz-executor1 cpuset=syz1 mems_allowed=0
[  448.895170]  dump_stack+0x244/0x39d
[  448.905993]  ? dump_stack_print_info.cold.1+0x20/0x20
[  448.911207]  warn_alloc.cold.116+0xb7/0x1bd
[  448.915528]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  448.920379]  ? lock_downgrade+0x900/0x900
[  448.924530]  ? trace_hardirqs_off+0xb8/0x310
[  448.928945]  ? trace_hardirqs_off+0xb8/0x310
[  448.933355]  __alloc_pages_slowpath+0x26e8/0x2e10
[  448.938306]  ? warn_alloc+0x120/0x120
[  448.942116]  ? warn_alloc+0x120/0x120
[  448.945915]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  448.950928]  ? warn_alloc+0x120/0x120
[  448.954726]  ? print_usage_bug+0xc0/0xc0
[  448.958784]  ? print_usage_bug+0xc0/0xc0
[  448.962841]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  448.968048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.973584]  ? should_fail+0x22d/0xd01
[  448.977474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.982586]  ? __lock_acquire+0x62f/0x4c20
[  448.986909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.992009]  ? should_fail+0x22d/0xd01
[  448.995904]  ? mark_held_locks+0x130/0x130
[  449.000139]  ? mark_held_locks+0x130/0x130
[  449.004367]  ? print_usage_bug+0xc0/0xc0
[  449.008431]  ? find_held_lock+0x36/0x1c0
[  449.012488]  ? zap_class+0x640/0x640
[  449.016202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.021737]  ? check_preemption_disabled+0x48/0x280
[  449.026757]  ? __lock_is_held+0xb5/0x140
[  449.030823]  __alloc_pages_nodemask+0xa80/0xde0
[  449.035487]  ? zap_class+0x640/0x640
[  449.039205]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  449.044228]  ? find_held_lock+0x36/0x1c0
[  449.048297]  ? ____cache_alloc_node+0x1c7/0x1e0
[  449.052980]  ? lock_downgrade+0x900/0x900
[  449.057231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.062771]  cache_grow_begin+0xa5/0x8c0
[  449.066826]  ? do_raw_spin_unlock+0xa7/0x330
[  449.071236]  fallback_alloc+0x204/0x2e0
[  449.075213]  ____cache_alloc_node+0x1c7/0x1e0
[  449.079711]  kmem_cache_alloc_node+0xe3/0x730
[  449.084202]  ? mark_held_locks+0xc7/0x130
[  449.088357]  __alloc_skb+0x119/0x770
[  449.092074]  ? netdev_alloc_frag+0x1f0/0x1f0
[  449.096475]  ? do_raw_spin_trylock+0x270/0x270
[  449.101054]  ? kmem_cache_alloc_trace+0x353/0x750
[  449.105895]  ? queue_work_on+0x12c/0x1e0
[  449.109959]  ? switchdev_port_obj_del+0xdc/0x440
[  449.114715]  ? switchdev_trans_item_enqueue+0x260/0x260
[  449.120083]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  449.125107]  __br_mdb_notify+0x4ff/0x15d0
[  449.129260]  ? __br_mdb_add+0x7f0/0x7f0
[  449.133245]  ? zap_class+0x640/0x640
[  449.136967]  ? br_multicast_group_expired+0x96/0x610
[  449.142063]  ? lock_downgrade+0x900/0x900
[  449.146213]  br_mdb_notify+0x310/0x410
[  449.150096]  ? br_mdb_dump+0x27b0/0x27b0
[  449.154155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.159694]  br_multicast_group_expired+0x1bc/0x610
[  449.164710]  ? br_mdb_free+0x80/0x80
[  449.168440]  call_timer_fn+0x272/0x920
[  449.172320]  ? br_mdb_free+0x80/0x80
[  449.176028]  ? process_timeout+0x40/0x40
[  449.180092]  ? mark_held_locks+0xc7/0x130
[  449.184240]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.188738]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.193230]  ? br_mdb_free+0x80/0x80
[  449.196939]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.201516]  ? trace_hardirqs_on+0xbd/0x310
[  449.205840]  ? kasan_check_read+0x11/0x20
[  449.209981]  ? __run_timers+0x7da/0xc70
[  449.213949]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.219048]  ? br_mdb_free+0x80/0x80
[  449.222763]  ? br_mdb_free+0x80/0x80
[  449.226583]  __run_timers+0x7e5/0xc70
[  449.230391]  ? timer_fixup_init+0x70/0x70
[  449.234540]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  449.239562]  ? zap_class+0x640/0x640
[  449.243275]  ? print_usage_bug+0xc0/0xc0
[  449.247336]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  449.252536]  ? find_held_lock+0x36/0x1c0
[  449.256602]  ? zap_class+0x640/0x640
[  449.260315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.265846]  ? check_preemption_disabled+0x48/0x280
[  449.270865]  ? __lock_is_held+0xb5/0x140
[  449.274922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.280458]  ? check_preemption_disabled+0x48/0x280
[  449.285471]  run_timer_softirq+0x52/0xb0
[  449.289536]  ? rcu_read_lock_sched_held+0x14f/0x180
[  449.294560]  __do_softirq+0x308/0xb7e
[  449.298358]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  449.302850]  ? lock_downgrade+0x900/0x900
[  449.306995]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  449.312100]  ? pvclock_read_flags+0x160/0x160
[  449.316590]  ? lapic_next_event+0x5a/0x90
[  449.320735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.326270]  ? kvm_clock_read+0x18/0x30
[  449.330240]  ? kvm_sched_clock_read+0x9/0x20
[  449.334646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.340175]  ? check_preemption_disabled+0x48/0x280
[  449.345193]  irq_exit+0x17f/0x1c0
[  449.348645]  smp_apic_timer_interrupt+0x1cb/0x760
[  449.353482]  ? smp_call_function_single_interrupt+0x650/0x650
[  449.359368]  ? interrupt_entry+0xb5/0xc0
[  449.363423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.368432]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.373443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.378281]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.383291]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.388300]  ? task_prio+0x50/0x50
[  449.391839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.397374]  ? check_preemption_disabled+0x48/0x280
[  449.402389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.407234]  apic_timer_interrupt+0xf/0x20
[  449.411461]  </IRQ>
[  449.413696] RIP: 0010:dump_stack+0x358/0x39d
[  449.418098] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  449.436991] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  449.444691] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  449.451952] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  449.459215] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  449.466475] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  449.473744] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  449.481023]  ? dump_stack+0x34f/0x39d
[  449.484835]  ? dump_stack_print_info.cold.1+0x20/0x20
[  449.490024]  ? mark_held_locks+0x130/0x130
[  449.494254]  ? mark_held_locks+0x130/0x130
[  449.498488]  dump_header+0x27b/0xf72
[  449.502698]  ? pagefault_out_of_memory+0x197/0x197
[  449.507636]  ? __lock_acquire+0x62f/0x4c20
[  449.511868]  ? percpu_ref_get_many+0x240/0x240
[  449.516451]  ? print_usage_bug+0xc0/0xc0
[  449.520525]  ? zap_class+0x640/0x640
[  449.524239]  ? print_usage_bug+0xc0/0xc0
[  449.528292]  ? print_usage_bug+0xc0/0xc0
[  449.532347]  ? zap_class+0x640/0x640
[  449.536058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.541592]  ? find_held_lock+0x36/0x1c0
[  449.545660]  ? mark_held_locks+0xc7/0x130
[  449.549802]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  449.554989]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  449.560086]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  449.564668]  ? trace_hardirqs_on+0xbd/0x310
[  449.568983]  ? kasan_check_read+0x11/0x20
[  449.573124]  ? ___ratelimit+0x3b4/0x672
[  449.577096]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.582199]  ? trace_hardirqs_on+0x310/0x310
[  449.586603]  ? lock_downgrade+0x900/0x900
[  449.590748]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  449.595848]  ? ___ratelimit+0x3b9/0x672
[  449.599820]  ? idr_get_free+0xf70/0xf70
[  449.603786]  ? find_held_lock+0x36/0x1c0
[  449.607853]  oom_kill_process.cold.27+0x10/0x903
[  449.612603]  ? zap_class+0x640/0x640
[  449.616318]  ? check_preemption_disabled+0x48/0x280
[  449.621333]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  449.626255]  ? kasan_check_read+0x11/0x20
[  449.630398]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.635669]  ? oom_evaluate_task+0x540/0x540
[  449.640072]  ? find_held_lock+0x36/0x1c0
[  449.644133]  ? out_of_memory+0x974/0x1430
[  449.648276]  ? lock_downgrade+0x900/0x900
[  449.652423]  ? check_preemption_disabled+0x48/0x280
[  449.657447]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  449.662804]  ? kasan_check_read+0x11/0x20
[  449.666945]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.672213]  ? rcu_softirq_qs+0x20/0x20
[  449.676185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.681712]  ? oom_evaluate_task+0x302/0x540
[  449.686119]  out_of_memory+0xa84/0x1430
[  449.690095]  ? oom_killer_disable+0x3a0/0x3a0
[  449.694615]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  449.699556]  ? __ww_mutex_check_waiters+0x160/0x160
[  449.704579]  __alloc_pages_slowpath+0x2354/0x2e10
[  449.709445]  ? warn_alloc+0x120/0x120
[  449.713239]  ? mark_held_locks+0x130/0x130
[  449.717476]  ? find_get_entry+0xaae/0x1120
[  449.721720]  ? filemap_map_pages+0x1a20/0x1a20
[  449.726302]  ? zap_class+0x640/0x640
[  449.730020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.735559]  ? check_preemption_disabled+0x48/0x280
[  449.740568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.746103]  ? should_fail+0x22d/0xd01
[  449.749992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.755090]  ? zap_class+0x640/0x640
[  449.758823]  ? __lock_is_held+0xb5/0x140
[  449.762887]  ? mark_held_locks+0x130/0x130
[  449.767119]  ? lock_release+0xa00/0xa00
[  449.771089]  ? perf_trace_sched_process_exec+0x860/0x860
[  449.776544]  ? xa_load+0x2ba/0x460
[  449.780086]  ? lock_downgrade+0x900/0x900
[  449.784237]  ? __might_sleep+0x95/0x190
[  449.788215]  __alloc_pages_nodemask+0xa80/0xde0
[  449.792904]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  449.797917]  ? __page_cache_alloc+0x191/0x5c0
[  449.802410]  ? xa_load+0x2e1/0x460
[  449.805945]  ? xa_clear_mark+0x40/0x40
[  449.809831]  ? zap_class+0x640/0x640
[  449.813560]  ? zap_class+0x640/0x640
[  449.817271]  ? zap_class+0x640/0x640
[  449.820981]  ? __do_page_cache_readahead+0x663/0x810
[  449.826085]  ? find_held_lock+0x36/0x1c0
[  449.830149]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  449.835692]  alloc_pages_current+0x173/0x350
[  449.840102]  __page_cache_alloc+0x38c/0x5c0
[  449.844420]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  449.849343]  ? kasan_check_read+0x11/0x20
[  449.853494]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.858773]  ? generic_perform_write+0x6a0/0x6a0
[  449.863529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.869066]  ? check_preemption_disabled+0x48/0x280
[  449.874102]  filemap_fault+0x1595/0x25f0
[  449.878174]  ? __lock_page_or_retry+0xa00/0xa00
[  449.882843]  ? mark_held_locks+0x130/0x130
[  449.887081]  ? filemap_map_pages+0xd6b/0x1a20
[  449.891575]  ? lock_downgrade+0x900/0x900
[  449.895725]  ? check_preemption_disabled+0x48/0x280
[  449.900753]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  449.905680]  ? kasan_check_read+0x11/0x20
[  449.909828]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.915099]  ? rcu_softirq_qs+0x20/0x20
[  449.919079]  ? filemap_map_pages+0xd92/0x1a20
[  449.923573]  ? print_usage_bug+0xc0/0xc0
[  449.927635]  ? find_get_entries_tag+0x1400/0x1400
[  449.932479]  ? __kasan_slab_free+0x102/0x150
[  449.936882]  ? kasan_slab_free+0xe/0x10
[  449.940851]  ? kmem_cache_free+0x83/0x290
[  449.944998]  ? __sigqueue_free.part.29+0x74/0x90
[  449.949763]  ? lock_acquire+0x1ed/0x520
[  449.953732]  ? ext4_filemap_fault+0x7a/0xad
[  449.958053]  ? lock_release+0xa00/0xa00
[  449.962021]  ? perf_trace_sched_process_exec+0x860/0x860
[  449.967473]  ? print_usage_bug+0xc0/0xc0
[  449.971533]  ? print_usage_bug+0xc0/0xc0
[  449.975599]  ? down_read+0x8d/0x120
[  449.979221]  ? ext4_filemap_fault+0x7a/0xad
[  449.983548]  ? __down_interruptible+0x700/0x700
[  449.988225]  ext4_filemap_fault+0x82/0xad
[  449.992468]  __do_fault+0x100/0x6b0
[  449.996097]  ? pmd_devmap_trans_unstable+0x220/0x220
[  450.001211]  ? mark_held_locks+0x130/0x130
[  450.005440]  ? mark_held_locks+0x130/0x130
[  450.009674]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  450.015210]  ? rcu_pm_notify+0xc0/0xc0
[  450.019099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.024635]  __handle_mm_fault+0x3ea0/0x5be0
[  450.029049]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  450.033882]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.038371]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  450.042953]  ? trace_hardirqs_on+0xbd/0x310
[  450.047271]  ? kasan_check_read+0x11/0x20
[  450.051412]  ? __set_current_blocked+0xdf/0x120
[  450.056077]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.061185]  ? zap_class+0x640/0x640
[  450.064895]  ? zap_class+0x640/0x640
[  450.068613]  ? find_held_lock+0x36/0x1c0
[  450.072676]  ? handle_mm_fault+0x42a/0xc70
[  450.076905]  ? lock_downgrade+0x900/0x900
[  450.081050]  ? check_preemption_disabled+0x48/0x280
[  450.086063]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.090991]  ? kasan_check_read+0x11/0x20
[  450.095132]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.100406]  ? rcu_softirq_qs+0x20/0x20
[  450.104376]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.109480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.115019]  ? check_preemption_disabled+0x48/0x280
[  450.120037]  handle_mm_fault+0x54f/0xc70
[  450.124094]  ? __handle_mm_fault+0x5be0/0x5be0
[  450.128676]  ? find_vma+0x34/0x190
[  450.132221]  __do_page_fault+0x5e8/0xe60
[  450.136278]  ? exit_to_usermode_loop+0x1f4/0x380
[  450.141038]  do_page_fault+0xf2/0x7e0
[  450.144838]  ? vmalloc_sync_all+0x30/0x30
[  450.148985]  ? error_entry+0x70/0xd0
[  450.152698]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.157708]  ? trace_hardirqs_on_caller+0xc0/0x310
[  450.162631]  ? syscall_return_slowpath+0x5e0/0x5e0
[  450.167560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.172659]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.177672]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  450.183121]  ? prepare_exit_to_usermode+0x291/0x3b0
[  450.188129]  ? page_fault+0x8/0x30
[  450.191668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.196512]  ? page_fault+0x8/0x30
[  450.200050]  page_fault+0x1e/0x30
[  450.203498] RIP: 0033:0x45db60
[  450.206703] Code: Bad RIP value.
[  450.210056] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  450.215410] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  450.222675] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  450.229937] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  450.237205] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  450.244473] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  450.251761] warn_alloc_show_mem: 1 callbacks suppressed
[  450.251771] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  450.251773] Mem-Info:
[  450.251801] active_anon:52805 inactive_anon:249 isolated_anon:0
[  450.251801]  active_file:17 inactive_file:10 isolated_file:0
[  450.251801]  unevictable:0 dirty:0 writeback:0 unstable:0
[  450.251801]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  450.251801]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  450.251801]  free:13758 free_pcp:272 free_cma:0
[  450.257141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  450.264502] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  450.266888] Call Trace:
[  450.299745] 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
[  450.309086]  <IRQ>
[  450.336643] lowmem_reserve[]: 0 2818 6321 6321
[  450.339227]  dump_stack+0x244/0x39d
[  450.365392] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  450.367541]  ? dump_stack_print_info.cold.1+0x20/0x20
[  450.372098] lowmem_reserve[]: 0 0 3503 3503
[  450.375732]  warn_alloc.cold.116+0xb7/0x1bd
[  450.403020] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  450.408208]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  450.412496] lowmem_reserve[]: 0 0 0 0
[  450.416809]  ? lock_downgrade+0x900/0x900
[  450.445675] 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
[  450.450515]  ? trace_hardirqs_off+0xb8/0x310
[  450.454273] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  450.458421]  ? trace_hardirqs_off+0xb8/0x310
[  450.471917] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  450.476324]  __alloc_pages_slowpath+0x26e8/0x2e10
[  450.491470] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  450.495883]  ? warn_alloc+0x120/0x120
[  450.511744] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  450.516574]  ? warn_alloc+0x120/0x120
[  450.525389] 326 total pagecache pages
[  450.529174]  ? warn_alloc+0x120/0x120
[  450.537728] 0 pages in swap cache
[  450.541508]  ? print_usage_bug+0xc0/0xc0
[  450.545281] Swap cache stats: add 0, delete 0, find 0/0
[  450.549067]  ? print_usage_bug+0xc0/0xc0
[  450.552493] Free swap  = 0kB
[  450.556542]  ? find_held_lock+0x36/0x1c0
[  450.561878] Total swap = 0kB
[  450.565925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.568911] 1965979 pages RAM
[  450.572961]  ? should_fail+0x22d/0xd01
[  450.575941] 0 pages HighMem/MovableOnly
[  450.575948] 342854 pages reserved
[  450.581473]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.584541] 0 pages cma reserved
[  450.584687] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  450.588433]  ? __lock_acquire+0x62f/0x4c20
[  450.592374] syz-fuzzer cpuset=/ mems_allowed=0
[  450.595815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.628318]  ? should_fail+0x22d/0xd01
[  450.632210]  ? mark_held_locks+0x130/0x130
[  450.636448]  ? mark_held_locks+0x130/0x130
[  450.640674]  ? print_usage_bug+0xc0/0xc0
[  450.644737]  ? find_held_lock+0x36/0x1c0
[  450.648799]  ? zap_class+0x640/0x640
[  450.652515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.658220]  ? check_preemption_disabled+0x48/0x280
[  450.663241]  ? __lock_is_held+0xb5/0x140
[  450.667307]  __alloc_pages_nodemask+0xa80/0xde0
[  450.672464]  ? zap_class+0x640/0x640
[  450.676182]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  450.681204]  ? find_held_lock+0x36/0x1c0
[  450.685268]  ? ____cache_alloc_node+0x1c7/0x1e0
[  450.689935]  ? lock_downgrade+0x900/0x900
[  450.694092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.699629]  cache_grow_begin+0xa5/0x8c0
[  450.703684]  ? do_raw_spin_unlock+0xa7/0x330
[  450.708097]  fallback_alloc+0x204/0x2e0
[  450.712071]  ____cache_alloc_node+0x1c7/0x1e0
[  450.716568]  kmem_cache_alloc_node+0xe3/0x730
[  450.721057]  ? mark_held_locks+0xc7/0x130
[  450.725214]  __alloc_skb+0x119/0x770
[  450.728927]  ? netdev_alloc_frag+0x1f0/0x1f0
[  450.733331]  ? do_raw_spin_trylock+0x270/0x270
[  450.737907]  ? kmem_cache_alloc_trace+0x353/0x750
[  450.742751]  ? queue_work_on+0x12c/0x1e0
[  450.746814]  ? switchdev_port_obj_del+0xdc/0x440
[  450.751566]  ? switchdev_trans_item_enqueue+0x260/0x260
[  450.756923]  ? mod_timer+0x631/0x1560
[  450.760719]  ? wake_up_klogd+0x180/0x180
[  450.764779]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  450.769796]  __br_mdb_notify+0x4ff/0x15d0
[  450.773954]  ? __br_mdb_add+0x7f0/0x7f0
[  450.777940]  ? zap_class+0x640/0x640
[  450.781658]  ? br_multicast_group_expired+0x96/0x610
[  450.786766]  br_mdb_notify+0x310/0x410
[  450.790658]  ? br_mdb_dump+0x27b0/0x27b0
[  450.794723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.800261]  br_multicast_group_expired+0x1bc/0x610
[  450.805273]  ? br_mdb_free+0x80/0x80
[  450.808990]  call_timer_fn+0x272/0x920
[  450.812871]  ? br_mdb_free+0x80/0x80
[  450.816583]  ? process_timeout+0x40/0x40
[  450.820644]  ? __run_timers+0x7da/0xc70
[  450.824614]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.829102]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.833683]  ? br_mdb_free+0x80/0x80
[  450.837402]  ? lockdep_hardirqs_on+0x296/0x5b0
[  450.841979]  ? trace_hardirqs_on+0xbd/0x310
[  450.846297]  ? kasan_check_read+0x11/0x20
[  450.850438]  ? __run_timers+0x7da/0xc70
[  450.854426]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.859533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.863771]  ? br_mdb_free+0x80/0x80
[  450.867477]  __run_timers+0x7e5/0xc70
[  450.871280]  ? timer_fixup_init+0x70/0x70
[  450.875426]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  450.880439]  ? zap_class+0x640/0x640
[  450.884152]  ? enqueue_hrtimer+0x1a5/0x560
[  450.888383]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  450.893584]  ? find_held_lock+0x36/0x1c0
[  450.897644]  ? zap_class+0x640/0x640
[  450.901358]  ? pvclock_read_flags+0x160/0x160
[  450.905860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.911404]  ? check_preemption_disabled+0x48/0x280
[  450.916431]  ? __lock_is_held+0xb5/0x140
[  450.920487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.926018]  ? check_preemption_disabled+0x48/0x280
[  450.931037]  run_timer_softirq+0x52/0xb0
[  450.935098]  ? rcu_read_lock_sched_held+0x14f/0x180
[  450.940116]  __do_softirq+0x308/0xb7e
[  450.943925]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  450.948419]  ? lock_downgrade+0x900/0x900
[  450.952567]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  450.957674]  ? pvclock_read_flags+0x160/0x160
[  450.962166]  ? lapic_next_event+0x5a/0x90
[  450.966421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.971963]  ? kvm_clock_read+0x18/0x30
[  450.975938]  ? kvm_sched_clock_read+0x9/0x20
[  450.980344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.985880]  ? check_preemption_disabled+0x48/0x280
[  450.990899]  irq_exit+0x17f/0x1c0
[  450.994352]  smp_apic_timer_interrupt+0x1cb/0x760
[  450.999193]  ? smp_call_function_single_interrupt+0x159/0x650
[  451.005086]  ? smp_call_function_single_interrupt+0x650/0x650
[  451.010966]  ? interrupt_entry+0xb5/0xc0
[  451.015028]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.020041]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.025057]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.029895]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.034919]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.039944]  ? task_prio+0x50/0x50
[  451.043483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.049016]  ? check_preemption_disabled+0x48/0x280
[  451.054034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.058880]  apic_timer_interrupt+0xf/0x20
[  451.063105]  </IRQ>
[  451.065339] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  451.071219] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  451.090112] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  451.097817] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  451.105082] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  451.112351] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  451.119623] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  451.126888] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  451.134274]  ? save_stack+0xa9/0xd0
[  451.137912]  __kmalloc_node_track_caller+0x3c/0x70
[  451.142845]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  451.147604]  pskb_expand_head+0x230/0x10f0
[  451.151844]  ? memcpy+0x45/0x50
[  451.155130]  ? __copy_skb_header+0x350/0x6b0
[  451.159538]  ? skb_release_data+0x880/0x880
[  451.163854]  ? __alloc_skb+0x770/0x770
[  451.167745]  ? __lock_is_held+0xb5/0x140
[  451.171820]  ? kasan_check_write+0x14/0x20
[  451.176048]  ? __skb_clone+0x6c7/0xa00
[  451.179938]  ? __copy_skb_header+0x6b0/0x6b0
[  451.184342]  ? kmem_cache_alloc+0x33a/0x730
[  451.188679]  skb_ensure_writable+0x3dd/0x640
[  451.193097]  ? skb_checksum_setup+0xaa0/0xaa0
[  451.197591]  ? check_preemption_disabled+0x48/0x280
[  451.202622]  ? __this_cpu_preempt_check+0x1c/0x20
[  451.207461]  ? __bpf_redirect+0x54b/0xb20
[  451.211614]  bpf_clone_redirect+0x14a/0x490
[  451.215943]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  451.220964]  ? __sched_text_start+0x8/0x8
[  451.225108]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  451.229682]  ? retint_kernel+0x2d/0x2d
[  451.233565]  ? trace_hardirqs_on_caller+0xc0/0x310
[  451.238493]  ? find_held_lock+0x36/0x1c0
[  451.242556]  ? lock_acquire+0x1ed/0x520
[  451.246525]  ? bpf_test_run+0x3cb/0x780
[  451.250495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.256032]  ? check_preemption_disabled+0x48/0x280
[  451.261059]  ? kasan_check_read+0x11/0x20
[  451.265207]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.270484]  ? rcu_softirq_qs+0x20/0x20
[  451.274456]  ? preempt_schedule+0x4d/0x60
[  451.278604]  ? ___preempt_schedule+0x16/0x18
[  451.283015]  ? bpf_test_run+0x25d/0x780
[  451.287000]  ? netlink_diag_dump+0x2a0/0x2a0
[  451.291414]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  451.296261]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  451.301097]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  451.306629]  ? fput+0x130/0x1a0
[  451.309910]  ? __bpf_prog_get+0x9b/0x290
[  451.313972]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  451.318809]  ? bpf_prog_test_run+0x130/0x1a0
[  451.323216]  ? __x64_sys_bpf+0x3d8/0x520
[  451.327271]  ? bpf_prog_get+0x20/0x20
[  451.331164]  ? do_syscall_64+0x142/0x820
[  451.335226]  ? do_syscall_64+0x1b9/0x820
[  451.339282]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  451.344647]  ? syscall_return_slowpath+0x5e0/0x5e0
[  451.349572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.354415]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.359428]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  451.364440]  ? prepare_exit_to_usermode+0x291/0x3b0
[  451.369459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.374305]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  451.379682] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  451.379826] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  451.386699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  451.386707] Call Trace:
[  451.397172] syz-executor1 cpuset=syz1 mems_allowed=0
[  451.406507]  <IRQ>
[  451.416294]  dump_stack+0x244/0x39d
[  451.419925]  ? dump_stack_print_info.cold.1+0x20/0x20
[  451.425124]  warn_alloc.cold.116+0xb7/0x1bd
[  451.429446]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  451.434288]  ? lock_downgrade+0x900/0x900
[  451.438438]  ? trace_hardirqs_off+0xb8/0x310
[  451.442846]  ? trace_hardirqs_off+0xb8/0x310
[  451.447255]  __alloc_pages_slowpath+0x26e8/0x2e10
[  451.452207]  ? warn_alloc+0x120/0x120
[  451.456006]  ? warn_alloc+0x120/0x120
[  451.459804]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  451.464814]  ? warn_alloc+0x120/0x120
[  451.468615]  ? print_usage_bug+0xc0/0xc0
[  451.472674]  ? print_usage_bug+0xc0/0xc0
[  451.476730]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  451.481922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.487454]  ? should_fail+0x22d/0xd01
[  451.491351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.496453]  ? __lock_acquire+0x62f/0x4c20
[  451.502165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.507264]  ? should_fail+0x22d/0xd01
[  451.511164]  ? mark_held_locks+0x130/0x130
[  451.515397]  ? mark_held_locks+0x130/0x130
[  451.519625]  ? print_usage_bug+0xc0/0xc0
[  451.523684]  ? find_held_lock+0x36/0x1c0
[  451.527742]  ? zap_class+0x640/0x640
[  451.531455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.536994]  ? check_preemption_disabled+0x48/0x280
[  451.542012]  ? __lock_is_held+0xb5/0x140
[  451.546074]  __alloc_pages_nodemask+0xa80/0xde0
[  451.550737]  ? zap_class+0x640/0x640
[  451.554450]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  451.559475]  ? find_held_lock+0x36/0x1c0
[  451.563539]  ? ____cache_alloc_node+0x1c7/0x1e0
[  451.568220]  ? lock_downgrade+0x900/0x900
[  451.572380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.577927]  cache_grow_begin+0xa5/0x8c0
[  451.581982]  ? do_raw_spin_unlock+0xa7/0x330
[  451.586400]  fallback_alloc+0x204/0x2e0
[  451.590381]  ____cache_alloc_node+0x1c7/0x1e0
[  451.594879]  kmem_cache_alloc_node+0xe3/0x730
[  451.599377]  ? mark_held_locks+0xc7/0x130
[  451.603533]  __alloc_skb+0x119/0x770
[  451.607248]  ? netdev_alloc_frag+0x1f0/0x1f0
[  451.611659]  ? do_raw_spin_trylock+0x270/0x270
[  451.616241]  ? kmem_cache_alloc_trace+0x353/0x750
[  451.621080]  ? queue_work_on+0x12c/0x1e0
[  451.625141]  ? switchdev_port_obj_del+0xdc/0x440
[  451.629898]  ? switchdev_trans_item_enqueue+0x260/0x260
[  451.635261]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  451.640282]  __br_mdb_notify+0x4ff/0x15d0
[  451.644436]  ? __br_mdb_add+0x7f0/0x7f0
[  451.648791]  ? zap_class+0x640/0x640
[  451.652508]  ? br_multicast_group_expired+0x96/0x610
[  451.657604]  ? lock_downgrade+0x900/0x900
[  451.661753]  br_mdb_notify+0x310/0x410
[  451.665725]  ? br_mdb_dump+0x27b0/0x27b0
[  451.669789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.675339]  br_multicast_group_expired+0x1bc/0x610
[  451.680385]  ? br_mdb_free+0x80/0x80
[  451.684107]  call_timer_fn+0x272/0x920
[  451.687989]  ? br_mdb_free+0x80/0x80
[  451.691702]  ? process_timeout+0x40/0x40
[  451.695769]  ? mark_held_locks+0xc7/0x130
[  451.699917]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.704406]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.708901]  ? br_mdb_free+0x80/0x80
[  451.712610]  ? lockdep_hardirqs_on+0x296/0x5b0
[  451.717186]  ? trace_hardirqs_on+0xbd/0x310
[  451.721505]  ? kasan_check_read+0x11/0x20
[  451.725646]  ? __run_timers+0x7da/0xc70
[  451.729620]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.734724]  ? br_mdb_free+0x80/0x80
[  451.738437]  ? br_mdb_free+0x80/0x80
[  451.742143]  __run_timers+0x7e5/0xc70
[  451.745947]  ? timer_fixup_init+0x70/0x70
[  451.750090]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  451.755106]  ? zap_class+0x640/0x640
[  451.758822]  ? print_usage_bug+0xc0/0xc0
[  451.762879]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  451.768072]  ? find_held_lock+0x36/0x1c0
[  451.772131]  ? zap_class+0x640/0x640
[  451.775845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.781384]  ? check_preemption_disabled+0x48/0x280
[  451.786402]  ? __lock_is_held+0xb5/0x140
[  451.790465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.795998]  ? check_preemption_disabled+0x48/0x280
[  451.801011]  run_timer_softirq+0x52/0xb0
[  451.805070]  ? rcu_read_lock_sched_held+0x14f/0x180
[  451.810082]  __do_softirq+0x308/0xb7e
[  451.813882]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  451.818371]  ? lock_downgrade+0x900/0x900
[  451.822515]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  451.827618]  ? pvclock_read_flags+0x160/0x160
[  451.832109]  ? lapic_next_event+0x5a/0x90
[  451.836253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.841794]  ? kvm_clock_read+0x18/0x30
[  451.845769]  ? kvm_sched_clock_read+0x9/0x20
[  451.850173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.855704]  ? check_preemption_disabled+0x48/0x280
[  451.860740]  irq_exit+0x17f/0x1c0
[  451.864195]  smp_apic_timer_interrupt+0x1cb/0x760
[  451.869033]  ? smp_call_function_single_interrupt+0x650/0x650
[  451.874912]  ? interrupt_entry+0xb5/0xc0
[  451.878973]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.883987]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.889001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.893840]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.898848]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.903862]  ? task_prio+0x50/0x50
[  451.907403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.912941]  ? check_preemption_disabled+0x48/0x280
[  451.917956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.922809]  apic_timer_interrupt+0xf/0x20
[  451.927034]  </IRQ>
[  451.929276] RIP: 0010:dump_stack+0x358/0x39d
[  451.933696] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  451.952594] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  451.960300] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  451.967585] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  451.974871] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  451.982133] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  451.989399] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  451.996683]  ? dump_stack+0x34f/0x39d
[  452.000493]  ? dump_stack_print_info.cold.1+0x20/0x20
[  452.005681]  ? mark_held_locks+0x130/0x130
[  452.009914]  ? mark_held_locks+0x130/0x130
[  452.014149]  dump_header+0x27b/0xf72
[  452.017874]  ? pagefault_out_of_memory+0x197/0x197
[  452.022808]  ? __lock_acquire+0x62f/0x4c20
[  452.027041]  ? percpu_ref_get_many+0x240/0x240
[  452.031621]  ? print_usage_bug+0xc0/0xc0
[  452.035684]  ? zap_class+0x640/0x640
[  452.039393]  ? print_usage_bug+0xc0/0xc0
[  452.043447]  ? print_usage_bug+0xc0/0xc0
[  452.047509]  ? zap_class+0x640/0x640
[  452.051221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.056759]  ? find_held_lock+0x36/0x1c0
[  452.060822]  ? mark_held_locks+0xc7/0x130
[  452.064968]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  452.070065]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  452.075165]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  452.079752]  ? trace_hardirqs_on+0xbd/0x310
[  452.084072]  ? kasan_check_read+0x11/0x20
[  452.088221]  ? ___ratelimit+0x3b4/0x672
[  452.092194]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.097305]  ? trace_hardirqs_on+0x310/0x310
[  452.101714]  ? lock_downgrade+0x900/0x900
[  452.105866]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  452.110964]  ? ___ratelimit+0x3b9/0x672
[  452.114940]  ? idr_get_free+0xf70/0xf70
[  452.118913]  ? find_held_lock+0x36/0x1c0
[  452.122990]  oom_kill_process.cold.27+0x10/0x903
[  452.127742]  ? zap_class+0x640/0x640
[  452.131451]  ? check_preemption_disabled+0x48/0x280
[  452.136470]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.141393]  ? kasan_check_read+0x11/0x20
[  452.145536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.150813]  ? oom_evaluate_task+0x540/0x540
[  452.155219]  ? find_held_lock+0x36/0x1c0
[  452.159280]  ? out_of_memory+0x974/0x1430
[  452.163434]  ? lock_downgrade+0x900/0x900
[  452.167578]  ? check_preemption_disabled+0x48/0x280
[  452.172591]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.177513]  ? kasan_check_read+0x11/0x20
[  452.181744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.187018]  ? rcu_softirq_qs+0x20/0x20
[  452.190991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.196984]  ? oom_evaluate_task+0x302/0x540
[  452.201391]  out_of_memory+0xa84/0x1430
[  452.205367]  ? oom_killer_disable+0x3a0/0x3a0
[  452.209859]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  452.214790]  ? __ww_mutex_check_waiters+0x160/0x160
[  452.219813]  __alloc_pages_slowpath+0x2354/0x2e10
[  452.224675]  ? warn_alloc+0x120/0x120
[  452.228472]  ? mark_held_locks+0x130/0x130
[  452.233577]  ? find_get_entry+0xaae/0x1120
[  452.237825]  ? filemap_map_pages+0x1a20/0x1a20
[  452.242408]  ? zap_class+0x640/0x640
[  452.246206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.251745]  ? check_preemption_disabled+0x48/0x280
[  452.256759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.262299]  ? should_fail+0x22d/0xd01
[  452.266192]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.271307]  ? zap_class+0x640/0x640
[  452.275050]  ? __lock_is_held+0xb5/0x140
[  452.279120]  ? mark_held_locks+0x130/0x130
[  452.283440]  ? lock_release+0xa00/0xa00
[  452.287412]  ? perf_trace_sched_process_exec+0x860/0x860
[  452.292857]  ? xa_load+0x2ba/0x460
[  452.296398]  ? lock_downgrade+0x900/0x900
[  452.300547]  ? __might_sleep+0x95/0x190
[  452.304522]  __alloc_pages_nodemask+0xa80/0xde0
[  452.309194]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  452.314210]  ? __page_cache_alloc+0x191/0x5c0
[  452.318699]  ? xa_load+0x2e1/0x460
[  452.322239]  ? xa_clear_mark+0x40/0x40
[  452.326135]  ? zap_class+0x640/0x640
[  452.329851]  ? zap_class+0x640/0x640
[  452.333557]  ? zap_class+0x640/0x640
[  452.337270]  ? __do_page_cache_readahead+0x663/0x810
[  452.342396]  ? find_held_lock+0x36/0x1c0
[  452.346461]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  452.352003]  alloc_pages_current+0x173/0x350
[  452.356411]  __page_cache_alloc+0x38c/0x5c0
[  452.360724]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.365650]  ? kasan_check_read+0x11/0x20
[  452.369794]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.375068]  ? generic_perform_write+0x6a0/0x6a0
[  452.379820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.385357]  ? check_preemption_disabled+0x48/0x280
[  452.390377]  filemap_fault+0x1595/0x25f0
[  452.394444]  ? __lock_page_or_retry+0xa00/0xa00
[  452.399145]  ? mark_held_locks+0x130/0x130
[  452.403383]  ? filemap_map_pages+0xd6b/0x1a20
[  452.407879]  ? lock_downgrade+0x900/0x900
[  452.412024]  ? check_preemption_disabled+0x48/0x280
[  452.417038]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.421965]  ? kasan_check_read+0x11/0x20
[  452.426109]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.431381]  ? rcu_softirq_qs+0x20/0x20
[  452.435364]  ? filemap_map_pages+0xd92/0x1a20
[  452.439862]  ? print_usage_bug+0xc0/0xc0
[  452.443928]  ? find_get_entries_tag+0x1400/0x1400
[  452.448775]  ? __kasan_slab_free+0x102/0x150
[  452.453178]  ? kasan_slab_free+0xe/0x10
[  452.457145]  ? kmem_cache_free+0x83/0x290
[  452.461291]  ? __sigqueue_free.part.29+0x74/0x90
[  452.466074]  ? lock_acquire+0x1ed/0x520
[  452.470046]  ? ext4_filemap_fault+0x7a/0xad
[  452.474369]  ? lock_release+0xa00/0xa00
[  452.478336]  ? perf_trace_sched_process_exec+0x860/0x860
[  452.483786]  ? print_usage_bug+0xc0/0xc0
[  452.487846]  ? print_usage_bug+0xc0/0xc0
[  452.491912]  ? down_read+0x8d/0x120
[  452.495531]  ? ext4_filemap_fault+0x7a/0xad
[  452.500300]  ? __down_interruptible+0x700/0x700
[  452.504977]  ext4_filemap_fault+0x82/0xad
[  452.509126]  __do_fault+0x100/0x6b0
[  452.512753]  ? pmd_devmap_trans_unstable+0x220/0x220
[  452.517859]  ? mark_held_locks+0x130/0x130
[  452.522091]  ? mark_held_locks+0x130/0x130
[  452.526321]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  452.531852]  ? rcu_pm_notify+0xc0/0xc0
[  452.535743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.541295]  __handle_mm_fault+0x3ea0/0x5be0
[  452.545709]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  452.550547]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.555038]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  452.559966]  ? trace_hardirqs_on+0xbd/0x310
[  452.564295]  ? kasan_check_read+0x11/0x20
[  452.568441]  ? __set_current_blocked+0xdf/0x120
[  452.573103]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.578217]  ? zap_class+0x640/0x640
[  452.581929]  ? zap_class+0x640/0x640
[  452.585644]  ? find_held_lock+0x36/0x1c0
[  452.589712]  ? handle_mm_fault+0x42a/0xc70
[  452.593945]  ? lock_downgrade+0x900/0x900
[  452.598096]  ? check_preemption_disabled+0x48/0x280
[  452.603121]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.608062]  ? kasan_check_read+0x11/0x20
[  452.612208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.617481]  ? rcu_softirq_qs+0x20/0x20
[  452.621453]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.626556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.632091]  ? check_preemption_disabled+0x48/0x280
[  452.637112]  handle_mm_fault+0x54f/0xc70
[  452.641177]  ? __handle_mm_fault+0x5be0/0x5be0
[  452.645763]  ? find_vma+0x34/0x190
[  452.649307]  __do_page_fault+0x5e8/0xe60
[  452.653379]  ? exit_to_usermode_loop+0x1f4/0x380
[  452.658153]  do_page_fault+0xf2/0x7e0
[  452.661955]  ? vmalloc_sync_all+0x30/0x30
[  452.666122]  ? error_entry+0x70/0xd0
[  452.670513]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.675527]  ? trace_hardirqs_on_caller+0xc0/0x310
[  452.680450]  ? syscall_return_slowpath+0x5e0/0x5e0
[  452.685372]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.690210]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.695220]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  452.700676]  ? prepare_exit_to_usermode+0x291/0x3b0
[  452.705691]  ? page_fault+0x8/0x30
[  452.709229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.714073]  ? page_fault+0x8/0x30
[  452.717612]  page_fault+0x1e/0x30
[  452.721068] RIP: 0033:0x45db60
[  452.724272] Code: Bad RIP value.
[  452.727631] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  452.732984] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  452.740255] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  452.747528] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  452.754793] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  452.762062] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  452.769355] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  452.769360] warn_alloc_show_mem: 1 callbacks suppressed
[  452.769366] Mem-Info:
[  452.776724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  452.782085] active_anon:52805 inactive_anon:249 isolated_anon:0
[  452.782085]  active_file:17 inactive_file:10 isolated_file:0
[  452.782085]  unevictable:0 dirty:0 writeback:0 unstable:0
[  452.782085]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  452.782085]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  452.782085]  free:13758 free_pcp:272 free_cma:0
[  452.784451] Call Trace:
[  452.793822] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  452.826672]  <IRQ>
[  452.829245] 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
[  452.856822]  dump_stack+0x244/0x39d
[  452.858940] lowmem_reserve[]: 0 2818 6321 6321
[  452.885040]  ? dump_stack_print_info.cold.1+0x20/0x20
[  452.888638] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  452.893237]  warn_alloc.cold.116+0xb7/0x1bd
[  452.898385] lowmem_reserve[]: 0 0 3503 3503
[  452.925705]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  452.929994] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  452.934311]  ? lock_downgrade+0x900/0x900
[  452.939126] lowmem_reserve[]: 0 0 0 0
[  452.968011]  ? trace_hardirqs_off+0xb8/0x310
[  452.972134] 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
[  452.975928]  ? trace_hardirqs_off+0xb8/0x310
[  452.980300] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  452.993941]  __alloc_pages_slowpath+0x26e8/0x2e10
[  452.998315] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  453.013501]  ? warn_alloc+0x120/0x120
[  453.018298] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  453.033717]  ? warn_alloc+0x120/0x120
[  453.037489] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  453.046307]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  453.050084] 326 total pagecache pages
[  453.058646]  ? warn_alloc+0x120/0x120
[  453.063642] 0 pages in swap cache
[  453.067425]  ? print_usage_bug+0xc0/0xc0
[  453.071198] Swap cache stats: add 0, delete 0, find 0/0
[  453.074642]  ? print_usage_bug+0xc0/0xc0
[  453.078685] Free swap  = 0kB
[  453.084032]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  453.088074] Total swap = 0kB
[  453.091086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.096332] 1965979 pages RAM
[  453.099347]  ? should_fail+0x22d/0xd01
[  453.104848] 0 pages HighMem/MovableOnly
[  453.104856] 342854 pages reserved
[  453.107952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.111892] 0 pages cma reserved
[  453.112054] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  453.115861]  ? __lock_acquire+0x62f/0x4c20
[  453.119290] syz-fuzzer cpuset=/ mems_allowed=0
[  453.124383]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.151797]  ? should_fail+0x22d/0xd01
[  453.155691]  ? mark_held_locks+0x130/0x130
[  453.159922]  ? mark_held_locks+0x130/0x130
[  453.164154]  ? print_usage_bug+0xc0/0xc0
[  453.168222]  ? find_held_lock+0x36/0x1c0
[  453.172279]  ? zap_class+0x640/0x640
[  453.175994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.181537]  ? check_preemption_disabled+0x48/0x280
[  453.186560]  ? __lock_is_held+0xb5/0x140
[  453.190626]  __alloc_pages_nodemask+0xa80/0xde0
[  453.195290]  ? zap_class+0x640/0x640
[  453.199006]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  453.204028]  ? find_held_lock+0x36/0x1c0
[  453.208108]  ? ____cache_alloc_node+0x1c7/0x1e0
[  453.212773]  ? lock_downgrade+0x900/0x900
[  453.218234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.223774]  cache_grow_begin+0xa5/0x8c0
[  453.228014]  ? do_raw_spin_unlock+0xa7/0x330
[  453.232427]  fallback_alloc+0x204/0x2e0
[  453.236403]  ____cache_alloc_node+0x1c7/0x1e0
[  453.240900]  kmem_cache_alloc_node+0xe3/0x730
[  453.245388]  ? mark_held_locks+0xc7/0x130
[  453.249541]  __alloc_skb+0x119/0x770
[  453.253257]  ? netdev_alloc_frag+0x1f0/0x1f0
[  453.257657]  ? do_raw_spin_trylock+0x270/0x270
[  453.262236]  ? kmem_cache_alloc_trace+0x353/0x750
[  453.267081]  ? queue_work_on+0x12c/0x1e0
[  453.271148]  ? switchdev_port_obj_del+0xdc/0x440
[  453.275907]  ? switchdev_trans_item_enqueue+0x260/0x260
[  453.281271]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  453.286296]  __br_mdb_notify+0x4ff/0x15d0
[  453.290452]  ? __br_mdb_add+0x7f0/0x7f0
[  453.294431]  ? zap_class+0x640/0x640
[  453.298154]  ? br_multicast_group_expired+0x96/0x610
[  453.303254]  ? lock_downgrade+0x900/0x900
[  453.307419]  br_mdb_notify+0x310/0x410
[  453.311482]  ? br_mdb_dump+0x27b0/0x27b0
[  453.315548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.321088]  br_multicast_group_expired+0x1bc/0x610
[  453.326117]  ? br_mdb_free+0x80/0x80
[  453.329835]  call_timer_fn+0x272/0x920
[  453.333720]  ? br_mdb_free+0x80/0x80
[  453.337434]  ? process_timeout+0x40/0x40
[  453.341500]  ? __run_timers+0x7da/0xc70
[  453.345474]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.349962]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.354452]  ? br_mdb_free+0x80/0x80
[  453.358162]  ? lockdep_hardirqs_on+0x296/0x5b0
[  453.362751]  ? trace_hardirqs_on+0xbd/0x310
[  453.367071]  ? kasan_check_read+0x11/0x20
[  453.371221]  ? __run_timers+0x7da/0xc70
[  453.375199]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.380307]  ? br_mdb_free+0x80/0x80
[  453.384022]  ? br_mdb_free+0x80/0x80
[  453.387734]  __run_timers+0x7e5/0xc70
[  453.391540]  ? timer_fixup_init+0x70/0x70
[  453.395688]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  453.400704]  ? zap_class+0x640/0x640
[  453.404420]  ? enqueue_hrtimer+0x1a5/0x560
[  453.408653]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  453.413846]  ? find_held_lock+0x36/0x1c0
[  453.417906]  ? zap_class+0x640/0x640
[  453.421618]  ? pvclock_read_flags+0x160/0x160
[  453.426109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.431644]  ? check_preemption_disabled+0x48/0x280
[  453.436667]  ? __lock_is_held+0xb5/0x140
[  453.440727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.446259]  ? check_preemption_disabled+0x48/0x280
[  453.451278]  run_timer_softirq+0x52/0xb0
[  453.455336]  ? rcu_read_lock_sched_held+0x14f/0x180
[  453.460347]  __do_softirq+0x308/0xb7e
[  453.464149]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  453.468734]  ? lock_downgrade+0x900/0x900
[  453.472883]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  453.477988]  ? pvclock_read_flags+0x160/0x160
[  453.482481]  ? lapic_next_event+0x5a/0x90
[  453.486630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.492167]  ? kvm_clock_read+0x18/0x30
[  453.496140]  ? kvm_sched_clock_read+0x9/0x20
[  453.501007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.506553]  ? check_preemption_disabled+0x48/0x280
[  453.511573]  irq_exit+0x17f/0x1c0
[  453.515028]  smp_apic_timer_interrupt+0x1cb/0x760
[  453.519869]  ? smp_call_function_single_interrupt+0x159/0x650
[  453.525753]  ? smp_call_function_single_interrupt+0x650/0x650
[  453.531631]  ? interrupt_entry+0xb5/0xc0
[  453.535689]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.540703]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.545723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.550562]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.555571]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.560580]  ? task_prio+0x50/0x50
[  453.564118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.569736]  ? check_preemption_disabled+0x48/0x280
[  453.574768]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.579612]  apic_timer_interrupt+0xf/0x20
[  453.583833]  </IRQ>
[  453.586066] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  453.591946] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  453.610842] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  453.618544] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  453.625807] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  453.633076] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  453.640341] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  453.647606] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  453.654901]  ? save_stack+0xa9/0xd0
[  453.658540]  __kmalloc_node_track_caller+0x3c/0x70
[  453.663469]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  453.668231]  pskb_expand_head+0x230/0x10f0
[  453.672466]  ? memcpy+0x45/0x50
[  453.675742]  ? __copy_skb_header+0x350/0x6b0
[  453.680147]  ? skb_release_data+0x880/0x880
[  453.684474]  ? __alloc_skb+0x770/0x770
[  453.688364]  ? __lock_is_held+0xb5/0x140
[  453.692431]  ? kasan_check_write+0x14/0x20
[  453.696661]  ? __skb_clone+0x6c7/0xa00
[  453.700550]  ? __copy_skb_header+0x6b0/0x6b0
[  453.704950]  ? kmem_cache_alloc+0x33a/0x730
[  453.709297]  skb_ensure_writable+0x3dd/0x640
[  453.713710]  ? skb_checksum_setup+0xaa0/0xaa0
[  453.718204]  ? check_preemption_disabled+0x48/0x280
[  453.723227]  ? __this_cpu_preempt_check+0x1c/0x20
[  453.728064]  ? __bpf_redirect+0x54b/0xb20
[  453.732213]  bpf_clone_redirect+0x14a/0x490
[  453.736539]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  453.741558]  ? __sched_text_start+0x8/0x8
[  453.745712]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  453.750291]  ? retint_kernel+0x2d/0x2d
[  453.754185]  ? trace_hardirqs_on_caller+0xc0/0x310
[  453.759120]  ? find_held_lock+0x36/0x1c0
[  453.763188]  ? lock_acquire+0x1ed/0x520
[  453.767163]  ? bpf_test_run+0x3cb/0x780
[  453.771137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.776680]  ? check_preemption_disabled+0x48/0x280
[  453.781704]  ? kasan_check_read+0x11/0x20
[  453.785848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.791122]  ? rcu_softirq_qs+0x20/0x20
[  453.795097]  ? preempt_schedule+0x4d/0x60
[  453.799240]  ? ___preempt_schedule+0x16/0x18
[  453.803650]  ? bpf_test_run+0x25d/0x780
[  453.807629]  ? netlink_diag_dump+0x2a0/0x2a0
[  453.812055]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  453.816815]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  453.821652]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  453.827186]  ? fput+0x130/0x1a0
[  453.830464]  ? __bpf_prog_get+0x9b/0x290
[  453.834522]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  453.839359]  ? bpf_prog_test_run+0x130/0x1a0
[  453.843767]  ? __x64_sys_bpf+0x3d8/0x520
[  453.847826]  ? bpf_prog_get+0x20/0x20
[  453.851631]  ? do_syscall_64+0x142/0x820
[  453.855700]  ? do_syscall_64+0x1b9/0x820
[  453.859754]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  453.865115]  ? syscall_return_slowpath+0x5e0/0x5e0
[  453.870038]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.874880]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.879891]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  453.884903]  ? prepare_exit_to_usermode+0x291/0x3b0
[  453.889920]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.894765]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  453.900143] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  453.900180] rcu: INFO: rcu_preempt self-detected stall on CPU
[  453.907172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  453.913340] rcu: 	1-...!: (180 ticks this GP) idle=cbe/1/0x4000000000000004 softirq=33556/33558 fqs=0 
[  453.922366] Call Trace:
[  453.922372]  <IRQ>
[  453.922393]  dump_stack+0x244/0x39d
[  453.922411]  ? dump_stack_print_info.cold.1+0x20/0x20
[  453.922435]  warn_alloc.cold.116+0xb7/0x1bd
[  453.922451]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  453.922470]  ? lock_downgrade+0x900/0x900
[  453.922492]  ? trace_hardirqs_off+0xb8/0x310
[  453.922511]  ? trace_hardirqs_off+0xb8/0x310
[  453.932125] rcu: 	 (t=10716 jiffies g=44713 q=26)
[  453.934715]  __alloc_pages_slowpath+0x26e8/0x2e10
[  453.936845] rcu: rcu_preempt kthread starved for 10716 jiffies! g44713 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  453.940474]  ? warn_alloc+0x120/0x120
[  453.945613] rcu: RCU grace-period kthread stack dump:
[  453.949925]  ? warn_alloc+0x120/0x120
[  453.954737] rcu_preempt     R  running task    22696    10      2 0x80000000
[  453.958873]  ? warn_alloc+0x120/0x120
[  453.963252] Call Trace:
[  453.967649]  ? print_usage_bug+0xc0/0xc0
[  453.972472]  __schedule+0x8cf/0x21d0
[  453.977283]  ? mark_held_locks+0x130/0x130
[  453.977300]  ? kvm_clock_read+0x18/0x30
[  453.987768]  ? __sched_text_start+0x8/0x8
[  453.991544]  ? print_usage_bug+0xc0/0xc0
[  453.996719]  ? add_timer_on+0xa20/0xa20
[  454.000500]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.007660]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.011441]  ? should_fail+0x22d/0xd01
[  454.014001]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.018041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.021737]  ? trace_hardirqs_on+0xbd/0x310
[  454.025952]  ? __lock_acquire+0x62f/0x4c20
[  454.029908]  ? kasan_check_read+0x11/0x20
[  454.034043]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.038083]  ? prepare_to_swait_event+0x25a/0x800
[  454.042031]  ? __lock_acquire+0x62f/0x4c20
[  454.042046]  ? should_fail+0x22d/0xd01
[  454.047566]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.052656]  ? mark_held_locks+0x130/0x130
[  454.056522]  schedule+0xfe/0x460
[  454.061599]  ? mark_held_locks+0x130/0x130
[  454.066686]  ? __schedule+0x21d0/0x21d0
[  454.070997]  ? try_to_wake_up+0x11c/0x1490
[  454.075214]  ? prepare_to_swait_event+0x25a/0x800
[  454.079340]  ? lock_downgrade+0x900/0x900
[  454.084431]  ? __init_swait_queue_head+0x150/0x150
[  454.089261]  ? zap_class+0x640/0x640
[  454.093474]  ? __lockdep_init_map+0x105/0x590
[  454.097343]  ? print_usage_bug+0xc0/0xc0
[  454.102429]  ? lockdep_init_map+0x9/0x10
[  454.106638]  ? trace_hardirqs_off+0xb8/0x310
[  454.106654]  ? kasan_check_read+0x11/0x20
[  454.110007]  schedule_timeout+0x140/0x260
[  454.114233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.118186]  ? usleep_range+0x1a0/0x1a0
[  454.122402]  ? check_preemption_disabled+0x48/0x280
[  454.127237]  ? __next_timer_interrupt+0x1a0/0x1a0
[  454.131376]  ? __lock_is_held+0xb5/0x140
[  454.136293]  rcu_gp_fqs_loop+0x762/0xa80
[  454.139979]  __alloc_pages_nodemask+0xa80/0xde0
[  454.144456]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  454.148489]  ? zap_class+0x640/0x640
[  454.152532]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.156930]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  454.161056]  ? perf_trace_sched_process_exec+0x860/0x860
[  454.165192]  ? find_held_lock+0x36/0x1c0
[  454.170702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.174659]  ? ____cache_alloc_node+0x1c7/0x1e0
[  454.179662]  ? rcu_gp_init+0x90b/0x1260
[  454.184488]  ? lock_downgrade+0x900/0x900
[  454.188714]  ? __switch_to_asm+0x40/0x70
[  454.192757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.197403]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  454.202144]  cache_grow_begin+0xa5/0x8c0
[  454.205835]  ? __switch_to_asm+0x40/0x70
[  454.210915]  ? do_raw_spin_unlock+0xa7/0x330
[  454.215923]  ? find_held_lock+0x36/0x1c0
[  454.221357]  fallback_alloc+0x204/0x2e0
[  454.225392]  ? zap_class+0x640/0x640
[  454.230909]  ____cache_alloc_node+0x1c7/0x1e0
[  454.235560]  ? prepare_to_swait_event+0x25a/0x800
[  454.239513]  kmem_cache_alloc_node+0xe3/0x730
[  454.243640]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.247684]  ? ipv6_get_ifaddr+0x42e/0x620
[  454.253204]  ? find_held_lock+0x36/0x1c0
[  454.257942]  __alloc_skb+0x119/0x770
[  454.261984]  ? finish_swait+0x25d/0x430
[  454.266020]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  454.270405]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.274446]  ? netdev_alloc_frag+0x1f0/0x1f0
[  454.278399]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.282095]  ? lock_downgrade+0x900/0x900
[  454.286566]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  454.291393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.295865]  ? trace_hardirqs_on+0xbd/0x310
[  454.300950]  ? refcount_sub_and_test_checked+0x203/0x310
[  454.305158]  ? kasan_check_read+0x11/0x20
[  454.305175]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.309218]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  454.312914]  ? __init_swait_queue_head+0x150/0x150
[  454.316864]  ? addrconf_rs_timer+0x690/0x690
[  454.322134]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  454.327220]  ndisc_alloc_skb+0x144/0x340
[  454.331603]  ? finish_swait+0x25d/0x430
[  454.336684]  ndisc_send_rs+0x331/0x6e0
[  454.340809]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  454.345370]  addrconf_rs_timer+0x314/0x690
[  454.350883]  ? swake_up_locked+0x360/0x360
[  454.355190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.360620]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.364753]  call_timer_fn+0x272/0x920
[  454.369830]  ? perf_trace_sched_process_exec+0x860/0x860
[  454.375257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.380168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.384557]  ? process_timeout+0x40/0x40
[  454.389649]  rcu_gp_kthread+0x341/0xc70
[  454.393700]  ? mark_held_locks+0xc7/0x130
[  454.397655]  ? rcu_gp_init+0x1260/0x1260
[  454.401514]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.406066]  ? mark_held_locks+0x130/0x130
[  454.406082]  ? __schedule+0x168a/0x21d0
[  454.410294]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.414509]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.418723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.423805]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  454.427674]  ? lockdep_hardirqs_on+0x296/0x5b0
[  454.433111]  ? trace_hardirqs_on+0xbd/0x310
[  454.437324]  ? trace_hardirqs_on+0xbd/0x310
[  454.442842]  ? kasan_check_read+0x11/0x20
[  454.446878]  ? kasan_check_read+0x11/0x20
[  454.446892]  ? __run_timers+0x7da/0xc70
[  454.450845]  ? __schedule+0x168a/0x21d0
[  454.454973]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.459011]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.463486]  ? __queue_work+0x1440/0x1440
[  454.467697]  ? lock_pin_lock+0x350/0x350
[  454.471664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.476140]  ? _raw_spin_unlock_irq+0x60/0x80
[  454.480612]  __run_timers+0x7e5/0xc70
[  454.484825]  ? __schedule+0x168a/0x21d0
[  454.489395]  ? timer_fixup_init+0x70/0x70
[  454.493949]  ? __switch_to_asm+0x40/0x70
[  454.498251]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  454.502549]  ? __switch_to_asm+0x40/0x70
[  454.506676]  ? zap_class+0x640/0x640
[  454.510808]  ? show_schedstat+0x731/0xf30
[  454.514760]  ? print_usage_bug+0xc0/0xc0
[  454.518719]  ? __sched_text_start+0x8/0x8
[  454.523797]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  454.528882]  ? find_held_lock+0x36/0x1c0
[  454.533013]  ? find_held_lock+0x36/0x1c0
[  454.537058]  ? __kthread_parkme+0xce/0x1a0
[  454.541268]  ? zap_class+0x640/0x640
[  454.545748]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.549535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.553488]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.557615]  ? check_preemption_disabled+0x48/0x280
[  454.561661]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  454.566664]  ? __lock_is_held+0xb5/0x140
[  454.570698]  ? trace_hardirqs_on+0xbd/0x310
[  454.574391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.578517]  ? kasan_check_read+0x11/0x20
[  454.582555]  ? check_preemption_disabled+0x48/0x280
[  454.586683]  ? __kthread_parkme+0xce/0x1a0
[  454.591853]  run_timer_softirq+0x52/0xb0
[  454.595898]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.599935]  ? rcu_read_lock_sched_held+0x14f/0x180
[  454.604159]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  454.607844]  __do_softirq+0x308/0xb7e
[  454.612927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.618441]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  454.623524]  ? __kthread_parkme+0xfb/0x1a0
[  454.628519]  ? lock_downgrade+0x900/0x900
[  454.633081]  ? rcu_gp_init+0x1260/0x1260
[  454.637133]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  454.641431]  kthread+0x35a/0x440
[  454.646953]  ? pvclock_read_flags+0x160/0x160
[  454.651076]  ? kthread_stop+0x900/0x900
[  454.656079]  ? lapic_next_event+0x5a/0x90
[  454.660293]  ret_from_fork+0x3a/0x50
[  454.664333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.669968] NMI backtrace for cpu 1
[  454.674969]  ? kvm_clock_read+0x18/0x30
[  454.744152]  ? kvm_sched_clock_read+0x9/0x20
[  454.748569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.754107]  ? check_preemption_disabled+0x48/0x280
[  454.759135]  irq_exit+0x17f/0x1c0
[  454.762585]  smp_apic_timer_interrupt+0x1cb/0x760
[  454.767424]  ? smp_call_function_single_interrupt+0x650/0x650
[  454.773304]  ? interrupt_entry+0xb5/0xc0
[  454.777364]  ? trace_hardirqs_off_caller+0xbb/0x310
[  454.782371]  ? trace_hardirqs_off_caller+0xbb/0x310
[  454.787384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.792225]  ? trace_hardirqs_on_caller+0x310/0x310
[  454.797234]  ? trace_hardirqs_on_caller+0x310/0x310
[  454.802246]  ? task_prio+0x50/0x50
[  454.805785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.811316]  ? check_preemption_disabled+0x48/0x280
[  454.816334]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.821178]  apic_timer_interrupt+0xf/0x20
[  454.825402]  </IRQ>
[  454.827636] RIP: 0010:dump_stack+0x358/0x39d
[  454.832039] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  454.850937] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  454.858647] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  454.865907] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  454.873168] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  454.880433] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  454.887694] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  454.894973]  ? dump_stack+0x34f/0x39d
[  454.898785]  ? dump_stack_print_info.cold.1+0x20/0x20
[  454.903972]  ? mark_held_locks+0x130/0x130
[  454.908200]  ? mark_held_locks+0x130/0x130
[  454.912432]  dump_header+0x27b/0xf72
[  454.916154]  ? pagefault_out_of_memory+0x197/0x197
[  454.921109]  ? __lock_acquire+0x62f/0x4c20
[  454.925339]  ? percpu_ref_get_many+0x240/0x240
[  454.929924]  ? print_usage_bug+0xc0/0xc0
[  454.933993]  ? zap_class+0x640/0x640
[  454.937716]  ? print_usage_bug+0xc0/0xc0
[  454.941775]  ? print_usage_bug+0xc0/0xc0
[  454.945834]  ? zap_class+0x640/0x640
[  454.949551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.955100]  ? find_held_lock+0x36/0x1c0
[  454.959197]  ? mark_held_locks+0xc7/0x130
[  454.963345]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.968445]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.973547]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  454.978134]  ? trace_hardirqs_on+0xbd/0x310
[  454.982456]  ? kasan_check_read+0x11/0x20
[  454.986604]  ? ___ratelimit+0x3b4/0x672
[  454.990579]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.995682]  ? trace_hardirqs_on+0x310/0x310
[  455.000102]  ? lock_downgrade+0x900/0x900
[  455.004257]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  455.009360]  ? ___ratelimit+0x3b9/0x672
[  455.013338]  ? idr_get_free+0xf70/0xf70
[  455.017324]  ? find_held_lock+0x36/0x1c0
[  455.021397]  oom_kill_process.cold.27+0x10/0x903
[  455.026154]  ? zap_class+0x640/0x640
[  455.029876]  ? check_preemption_disabled+0x48/0x280
[  455.034896]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.039830]  ? kasan_check_read+0x11/0x20
[  455.043984]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.049265]  ? oom_evaluate_task+0x540/0x540
[  455.053676]  ? find_held_lock+0x36/0x1c0
[  455.057745]  ? out_of_memory+0x974/0x1430
[  455.061899]  ? lock_downgrade+0x900/0x900
[  455.066063]  ? check_preemption_disabled+0x48/0x280
[  455.071100]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.076035]  ? kasan_check_read+0x11/0x20
[  455.080208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.085491]  ? rcu_softirq_qs+0x20/0x20
[  455.089474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.095017]  ? oom_evaluate_task+0x302/0x540
[  455.099430]  out_of_memory+0xa84/0x1430
[  455.103418]  ? oom_killer_disable+0x3a0/0x3a0
[  455.108003]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  455.112942]  ? __ww_mutex_check_waiters+0x160/0x160
[  455.117975]  __alloc_pages_slowpath+0x2354/0x2e10
[  455.122844]  ? warn_alloc+0x120/0x120
[  455.126648]  ? mark_held_locks+0x130/0x130
[  455.130974]  ? find_get_entry+0xaae/0x1120
[  455.135248]  ? filemap_map_pages+0x1a20/0x1a20
[  455.139833]  ? zap_class+0x640/0x640
[  455.143554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.149100]  ? check_preemption_disabled+0x48/0x280
[  455.154123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.159664]  ? should_fail+0x22d/0xd01
[  455.163559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.168668]  ? zap_class+0x640/0x640
[  455.172405]  ? __lock_is_held+0xb5/0x140
[  455.176478]  ? mark_held_locks+0x130/0x130
[  455.180725]  ? lock_release+0xa00/0xa00
[  455.184704]  ? perf_trace_sched_process_exec+0x860/0x860
[  455.190154]  ? xa_load+0x2ba/0x460
[  455.193728]  ? lock_downgrade+0x900/0x900
[  455.197920]  ? __might_sleep+0x95/0x190
[  455.201898]  __alloc_pages_nodemask+0xa80/0xde0
[  455.206574]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  455.211676]  ? __page_cache_alloc+0x191/0x5c0
[  455.216168]  ? xa_load+0x2e1/0x460
[  455.219707]  ? xa_clear_mark+0x40/0x40
[  455.223602]  ? zap_class+0x640/0x640
[  455.227325]  ? zap_class+0x640/0x640
[  455.231216]  ? zap_class+0x640/0x640
[  455.234929]  ? __do_page_cache_readahead+0x663/0x810
[  455.240034]  ? find_held_lock+0x36/0x1c0
[  455.244115]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  455.249657]  alloc_pages_current+0x173/0x350
[  455.254087]  __page_cache_alloc+0x38c/0x5c0
[  455.258580]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.263509]  ? kasan_check_read+0x11/0x20
[  455.267657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.272937]  ? generic_perform_write+0x6a0/0x6a0
[  455.277697]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.283236]  ? check_preemption_disabled+0x48/0x280
[  455.288264]  filemap_fault+0x1595/0x25f0
[  455.292336]  ? __lock_page_or_retry+0xa00/0xa00
[  455.297006]  ? mark_held_locks+0x130/0x130
[  455.301259]  ? filemap_map_pages+0xd6b/0x1a20
[  455.305757]  ? lock_downgrade+0x900/0x900
[  455.309902]  ? check_preemption_disabled+0x48/0x280
[  455.314921]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.319890]  ? kasan_check_read+0x11/0x20
[  455.324048]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.329373]  ? rcu_softirq_qs+0x20/0x20
[  455.333358]  ? filemap_map_pages+0xd92/0x1a20
[  455.337863]  ? print_usage_bug+0xc0/0xc0
[  455.341927]  ? find_get_entries_tag+0x1400/0x1400
[  455.346768]  ? __kasan_slab_free+0x102/0x150
[  455.351175]  ? kasan_slab_free+0xe/0x10
[  455.355147]  ? kmem_cache_free+0x83/0x290
[  455.359293]  ? __sigqueue_free.part.29+0x74/0x90
[  455.364079]  ? lock_acquire+0x1ed/0x520
[  455.368072]  ? ext4_filemap_fault+0x7a/0xad
[  455.372399]  ? lock_release+0xa00/0xa00
[  455.376371]  ? perf_trace_sched_process_exec+0x860/0x860
[  455.381824]  ? print_usage_bug+0xc0/0xc0
[  455.385887]  ? print_usage_bug+0xc0/0xc0
[  455.389959]  ? down_read+0x8d/0x120
[  455.393585]  ? ext4_filemap_fault+0x7a/0xad
[  455.397909]  ? __down_interruptible+0x700/0x700
[  455.402590]  ext4_filemap_fault+0x82/0xad
[  455.406739]  __do_fault+0x100/0x6b0
[  455.410372]  ? pmd_devmap_trans_unstable+0x220/0x220
[  455.415479]  ? mark_held_locks+0x130/0x130
[  455.419717]  ? mark_held_locks+0x130/0x130
[  455.423953]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  455.429492]  ? rcu_pm_notify+0xc0/0xc0
[  455.433391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.438937]  __handle_mm_fault+0x3ea0/0x5be0
[  455.443358]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  455.448198]  ? _raw_spin_unlock_irq+0x27/0x80
[  455.452696]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  455.457280]  ? trace_hardirqs_on+0xbd/0x310
[  455.461601]  ? kasan_check_read+0x11/0x20
[  455.465752]  ? __set_current_blocked+0xdf/0x120
[  455.470426]  ? trace_hardirqs_off_caller+0x310/0x310
[  455.475540]  ? zap_class+0x640/0x640
[  455.479252]  ? zap_class+0x640/0x640
[  455.482973]  ? find_held_lock+0x36/0x1c0
[  455.487063]  ? handle_mm_fault+0x42a/0xc70
[  455.491300]  ? lock_downgrade+0x900/0x900
[  455.495460]  ? check_preemption_disabled+0x48/0x280
[  455.501013]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.505960]  ? kasan_check_read+0x11/0x20
[  455.510107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.515399]  ? rcu_softirq_qs+0x20/0x20
[  455.519373]  ? trace_hardirqs_off_caller+0x310/0x310
[  455.524481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.530033]  ? check_preemption_disabled+0x48/0x280
[  455.535070]  handle_mm_fault+0x54f/0xc70
[  455.539139]  ? __handle_mm_fault+0x5be0/0x5be0
[  455.543734]  ? find_vma+0x34/0x190
[  455.547281]  __do_page_fault+0x5e8/0xe60
[  455.551345]  ? exit_to_usermode_loop+0x1f4/0x380
[  455.556107]  do_page_fault+0xf2/0x7e0
[  455.559938]  ? vmalloc_sync_all+0x30/0x30
[  455.564089]  ? error_entry+0x70/0xd0
[  455.567804]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.572821]  ? trace_hardirqs_on_caller+0xc0/0x310
[  455.577753]  ? syscall_return_slowpath+0x5e0/0x5e0
[  455.582684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.587528]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.592543]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  455.597996]  ? prepare_exit_to_usermode+0x291/0x3b0
[  455.603036]  ? page_fault+0x8/0x30
[  455.606583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.611430]  ? page_fault+0x8/0x30
[  455.614969]  page_fault+0x1e/0x30
[  455.618430] RIP: 0033:0x45db60
[  455.621638] Code: Bad RIP value.
[  455.624997] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  455.630369] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  455.637635] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  455.644901] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  455.652167] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  455.659436] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  455.666729] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  455.666734] warn_alloc_show_mem: 1 callbacks suppressed
[  455.666740] Mem-Info:
[  455.674103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  455.679469] active_anon:52805 inactive_anon:249 isolated_anon:0
[  455.679469]  active_file:17 inactive_file:10 isolated_file:0
[  455.679469]  unevictable:0 dirty:0 writeback:0 unstable:0
[  455.679469]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  455.679469]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  455.679469]  free:13758 free_pcp:272 free_cma:0
[  455.681844] Call Trace:
[  455.691220] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  455.724099]  <IRQ>
[  455.726668] 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
[  455.754249]  dump_stack+0x244/0x39d
[  455.756375] lowmem_reserve[]: 0 2818 6321 6321
[  455.782484]  ? dump_stack_print_info.cold.1+0x20/0x20
[  455.786086] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  455.790659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.790675]  ? do_raw_spin_lock+0x14f/0x350
[  455.795839] lowmem_reserve[]: 0 0 3503 3503
[  455.823160]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  455.828669] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  455.833003]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  455.837294] lowmem_reserve[]: 0 0 0 0
[  455.841957]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  455.870843] 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
[  455.876044]  arch_trigger_cpumask_backtrace+0x14/0x20
[  455.879816] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  455.885090]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  455.898586] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  455.903778]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  455.918955] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  455.923358]  ? print_other_cpu_stall+0x160/0x160
[  455.938773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  455.943522]  ? print_usage_bug+0xc0/0xc0
[  455.952332] 326 total pagecache pages
[  455.957081]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.965640] 0 pages in swap cache
[  455.969952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.973733] Swap cache stats: add 0, delete 0, find 0/0
[  455.978652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.982081] Free swap  = 0kB
[  455.987611]  ? do_trace_rcu_torture_read+0x10/0x10
[  455.992956] Total swap = 0kB
[  455.998541]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  456.001532] 1965979 pages RAM
[  456.006451]  ? __lock_is_held+0xb5/0x140
[  456.009444] 0 pages HighMem/MovableOnly
[  456.009451] 342854 pages reserved
[  456.014725]  ? __rcu_read_lock+0x50/0x50
[  456.017807] 0 pages cma reserved
[  456.021859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.025859] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  456.029251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.029266]  ? check_preemption_disabled+0x48/0x280
[  456.029286]  rcu_check_callbacks+0xf3b/0x13f0
[  456.033374] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  456.036682]  ? rcutree_dead_cpu+0x10/0x10
[  456.042196] syz-fuzzer cpuset=/ mems_allowed=0
[  456.048683]  ? lock_downgrade+0x900/0x900
[  456.086734]  ? lock_release+0x940/0xa00
[  456.090719]  ? zap_class+0x640/0x640
[  456.094438]  ? zap_class+0x640/0x640
[  456.098153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.103772]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  456.108357]  ? kvm_set_tsc_khz+0x540/0x540
[  456.112601]  ? find_held_lock+0x36/0x1c0
[  456.116672]  ? zap_class+0x640/0x640
[  456.120387]  ? timekeeping_advance+0x3cc/0xc00
[  456.124983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.130526]  ? check_preemption_disabled+0x48/0x280
[  456.135556]  ? trace_hardirqs_off+0xb8/0x310
[  456.139981]  ? __lock_is_held+0xb5/0x140
[  456.144047]  ? trace_hardirqs_on+0x310/0x310
[  456.148457]  ? check_preemption_disabled+0x48/0x280
[  456.153479]  ? raise_softirq+0x199/0x420
[  456.157632]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  456.162305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.167841]  ? check_preemption_disabled+0x48/0x280
[  456.172863]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  456.178398]  ? hrtimer_run_queues+0x9a/0x400
[  456.182813]  ? run_local_timers+0x19b/0x230
[  456.187137]  ? timer_clear_idle+0x90/0x90
[  456.191288]  ? debug_smp_processor_id+0x1c/0x20
[  456.195971]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  456.201955]  ? account_process_tick+0x282/0x350
[  456.206646]  update_process_times+0x2d/0x70
[  456.210985]  tick_sched_handle+0x9f/0x180
[  456.215135]  tick_sched_timer+0x45/0x130
[  456.219198]  __hrtimer_run_queues+0x41c/0x10d0
[  456.223787]  ? tick_sched_do_timer+0x1a0/0x1a0
[  456.228373]  ? hrtimer_start_range_ns+0xe00/0xe00
[  456.233225]  ? pvclock_read_flags+0x160/0x160
[  456.237723]  ? trace_hardirqs_on+0x310/0x310
[  456.242139]  ? zap_class+0x640/0x640
[  456.245858]  ? kvm_clock_read+0x18/0x30
[  456.249831]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  456.254849]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  456.260221]  ? do_timer+0x50/0x50
[  456.263681]  ? rwlock_bug.part.2+0x90/0x90
[  456.267913]  ? trace_hardirqs_on+0x310/0x310
[  456.272321]  ? rcu_softirq_qs+0x20/0x20
[  456.276305]  hrtimer_interrupt+0x313/0x780
[  456.280558]  smp_apic_timer_interrupt+0x1a1/0x760
[  456.285404]  ? smp_call_function_single_interrupt+0x650/0x650
[  456.291291]  ? interrupt_entry+0xb5/0xc0
[  456.295356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  456.300374]  ? ____cache_alloc_node+0x1c7/0x1e0
[  456.305046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.309889]  ? trace_hardirqs_on_caller+0x310/0x310
[  456.314919]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.319868]  apic_timer_interrupt+0xf/0x20
[  456.324103] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  456.329472] Code: 3f 7e 0f 85 32 ff ff ff e8 e5 1c 3e ff e9 28 ff ff ff e8 4c 52 c3 ff 48 83 3d 64 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  456.348378] RSP: 0018:ffff8801daf07268 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  456.356088] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10036e9057e
[  456.363355] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  456.370629] RBP: ffff8801daf072d8 R08: ffff8801b7482bf0 R09: 0000000000000002
[  456.377896] R10: 0000000000000000 R11: ffff8801b7482300 R12: ffff8801d9a1c0c0
[  456.385163] R13: ffff8801d9a1c0c0 R14: 0000000000000000 R15: 0000000000000286
[  456.392529]  ? apic_timer_interrupt+0xa/0x20
[  456.396976]  ? mark_held_locks+0xc7/0x130
[  456.401137]  __alloc_skb+0x119/0x770
[  456.404857]  ? netdev_alloc_frag+0x1f0/0x1f0
[  456.409264]  ? do_raw_spin_trylock+0x270/0x270
[  456.413848]  ? kmem_cache_alloc_trace+0x353/0x750
[  456.418695]  ? queue_work_on+0x12c/0x1e0
[  456.422764]  ? switchdev_port_obj_del+0xdc/0x440
[  456.427527]  ? switchdev_trans_item_enqueue+0x260/0x260
[  456.432895]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  456.437918]  __br_mdb_notify+0x4ff/0x15d0
[  456.442091]  ? __br_mdb_add+0x7f0/0x7f0
[  456.446080]  ? zap_class+0x640/0x640
[  456.449802]  ? br_multicast_group_expired+0x96/0x610
[  456.454910]  ? lock_downgrade+0x900/0x900
[  456.459078]  br_mdb_notify+0x310/0x410
[  456.462983]  ? br_mdb_dump+0x27b0/0x27b0
[  456.467051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.472599]  br_multicast_group_expired+0x1bc/0x610
[  456.477618]  ? br_mdb_free+0x80/0x80
[  456.481340]  call_timer_fn+0x272/0x920
[  456.485230]  ? br_mdb_free+0x80/0x80
[  456.488954]  ? process_timeout+0x40/0x40
[  456.493023]  ? __run_timers+0x7da/0xc70
[  456.496997]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.501499]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.505994]  ? br_mdb_free+0x80/0x80
[  456.509711]  ? lockdep_hardirqs_on+0x296/0x5b0
[  456.514294]  ? trace_hardirqs_on+0xbd/0x310
[  456.518613]  ? kasan_check_read+0x11/0x20
[  456.522759]  ? __run_timers+0x7da/0xc70
[  456.526733]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.531844]  ? br_mdb_free+0x80/0x80
[  456.535567]  ? br_mdb_free+0x80/0x80
[  456.539282]  __run_timers+0x7e5/0xc70
[  456.543093]  ? timer_fixup_init+0x70/0x70
[  456.547241]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  456.552261]  ? zap_class+0x640/0x640
[  456.555981]  ? enqueue_hrtimer+0x1a5/0x560
[  456.560227]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  456.565426]  ? find_held_lock+0x36/0x1c0
[  456.569579]  ? zap_class+0x640/0x640
[  456.573298]  ? pvclock_read_flags+0x160/0x160
[  456.577823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.583362]  ? check_preemption_disabled+0x48/0x280
[  456.588387]  ? __lock_is_held+0xb5/0x140
[  456.592451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.597992]  ? check_preemption_disabled+0x48/0x280
[  456.603069]  run_timer_softirq+0x52/0xb0
[  456.607138]  ? rcu_read_lock_sched_held+0x14f/0x180
[  456.612160]  __do_softirq+0x308/0xb7e
[  456.615972]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  456.620474]  ? lock_downgrade+0x900/0x900
[  456.624631]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  456.629746]  ? pvclock_read_flags+0x160/0x160
[  456.634278]  ? lapic_next_event+0x5a/0x90
[  456.638431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.644008]  ? kvm_clock_read+0x18/0x30
[  456.647985]  ? kvm_sched_clock_read+0x9/0x20
[  456.652398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.657947]  ? check_preemption_disabled+0x48/0x280
[  456.662983]  irq_exit+0x17f/0x1c0
[  456.666440]  smp_apic_timer_interrupt+0x1cb/0x760
[  456.672307]  ? smp_call_function_single_interrupt+0x159/0x650
[  456.678211]  ? smp_call_function_single_interrupt+0x650/0x650
[  456.684098]  ? interrupt_entry+0xb5/0xc0
[  456.688164]  ? trace_hardirqs_off_caller+0xbb/0x310
[  456.693182]  ? trace_hardirqs_off_caller+0xbb/0x310
[  456.698200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.703042]  ? trace_hardirqs_on_caller+0x310/0x310
[  456.708061]  ? trace_hardirqs_on_caller+0x310/0x310
[  456.713075]  ? task_prio+0x50/0x50
[  456.716702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.722246]  ? check_preemption_disabled+0x48/0x280
[  456.727270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.732124]  apic_timer_interrupt+0xf/0x20
[  456.736351]  </IRQ>
[  456.738591] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  456.744487] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  456.763385] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  456.771096] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  456.778365] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  456.785638] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  456.792904] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  456.800190] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  456.807488]  ? save_stack+0xa9/0xd0
[  456.811128]  __kmalloc_node_track_caller+0x3c/0x70
[  456.816062]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  456.820822]  pskb_expand_head+0x230/0x10f0
[  456.825067]  ? memcpy+0x45/0x50
[  456.828347]  ? __copy_skb_header+0x350/0x6b0
[  456.832755]  ? skb_release_data+0x880/0x880
[  456.837083]  ? __alloc_skb+0x770/0x770
[  456.840982]  ? __lock_is_held+0xb5/0x140
[  456.845049]  ? kasan_check_write+0x14/0x20
[  456.849281]  ? __skb_clone+0x6c7/0xa00
[  456.853170]  ? __copy_skb_header+0x6b0/0x6b0
[  456.857576]  ? kmem_cache_alloc+0x33a/0x730
[  456.864253]  skb_ensure_writable+0x3dd/0x640
[  456.868663]  ? skb_checksum_setup+0xaa0/0xaa0
[  456.873165]  ? check_preemption_disabled+0x48/0x280
[  456.878190]  ? __this_cpu_preempt_check+0x1c/0x20
[  456.883037]  ? __bpf_redirect+0x54b/0xb20
[  456.887192]  bpf_clone_redirect+0x14a/0x490
[  456.891524]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  456.896543]  ? __sched_text_start+0x8/0x8
[  456.900695]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  456.905278]  ? retint_kernel+0x2d/0x2d
[  456.909165]  ? trace_hardirqs_on_caller+0xc0/0x310
[  456.914102]  ? find_held_lock+0x36/0x1c0
[  456.918175]  ? lock_acquire+0x1ed/0x520
[  456.922156]  ? bpf_test_run+0x3cb/0x780
[  456.926136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.931674]  ? check_preemption_disabled+0x48/0x280
[  456.936696]  ? kasan_check_read+0x11/0x20
[  456.940842]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  456.946127]  ? rcu_softirq_qs+0x20/0x20
[  456.950118]  ? preempt_schedule+0x4d/0x60
[  456.954271]  ? ___preempt_schedule+0x16/0x18
[  456.958686]  ? bpf_test_run+0x25d/0x780
[  456.962670]  ? netlink_diag_dump+0x2a0/0x2a0
[  456.967108]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  456.971874]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  456.976730]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  456.982271]  ? fput+0x130/0x1a0
[  456.985551]  ? __bpf_prog_get+0x9b/0x290
[  456.989617]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  456.994460]  ? bpf_prog_test_run+0x130/0x1a0
[  456.998886]  ? __x64_sys_bpf+0x3d8/0x520
[  457.002959]  ? bpf_prog_get+0x20/0x20
[  457.006803]  ? do_syscall_64+0x142/0x820
[  457.010874]  ? do_syscall_64+0x1b9/0x820
[  457.014948]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  457.020319]  ? syscall_return_slowpath+0x5e0/0x5e0
[  457.025248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.030092]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.035111]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  457.040143]  ? prepare_exit_to_usermode+0x291/0x3b0
[  457.045168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.050018]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  457.055401] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  457.055913] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  457.062437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  457.072921] syz-executor1 cpuset=syz1 mems_allowed=0
[  457.082269] Call Trace:
[  457.089941]  <IRQ>
[  457.092099]  dump_stack+0x244/0x39d
[  457.095754]  ? dump_stack_print_info.cold.1+0x20/0x20
[  457.100965]  warn_alloc.cold.116+0xb7/0x1bd
[  457.105292]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  457.110140]  ? lock_downgrade+0x900/0x900
[  457.114302]  ? trace_hardirqs_off+0xb8/0x310
[  457.118719]  ? trace_hardirqs_off+0xb8/0x310
[  457.123138]  __alloc_pages_slowpath+0x26e8/0x2e10
[  457.128014]  ? warn_alloc+0x120/0x120
[  457.131825]  ? print_usage_bug+0xc0/0xc0
[  457.135900]  ? warn_alloc+0x120/0x120
[  457.139734]  ? warn_alloc+0x120/0x120
[  457.143540]  ? print_usage_bug+0xc0/0xc0
[  457.147605]  ? print_usage_bug+0xc0/0xc0
[  457.151670]  ? __lock_acquire+0x62f/0x4c20
[  457.155927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.161477]  ? should_fail+0x22d/0xd01
[  457.165368]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.170475]  ? __lock_acquire+0x62f/0x4c20
[  457.174717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.179819]  ? __lock_acquire+0x62f/0x4c20
[  457.184053]  ? should_fail+0x22d/0xd01
[  457.187948]  ? find_held_lock+0x36/0x1c0
[  457.192027]  ? mark_held_locks+0x130/0x130
[  457.196267]  ? mark_held_locks+0x130/0x130
[  457.200503]  ? zap_class+0x640/0x640
[  457.204215]  ? zap_class+0x640/0x640
[  457.207952]  ? print_usage_bug+0xc0/0xc0
[  457.212014]  ? do_raw_spin_unlock+0xa7/0x330
[  457.216422]  ? zap_class+0x640/0x640
[  457.220141]  ? print_usage_bug+0xc0/0xc0
[  457.224205]  ? wq_watchdog_touch+0x9c/0xfe
[  457.228443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.233983]  ? check_preemption_disabled+0x48/0x280
[  457.239041]  ? __lock_is_held+0xb5/0x140
[  457.243107]  __alloc_pages_nodemask+0xa80/0xde0
[  457.247776]  ? zap_class+0x640/0x640
[  457.251498]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  457.256528]  ? find_held_lock+0x36/0x1c0
[  457.260597]  ? ____cache_alloc_node+0x1c7/0x1e0
[  457.265266]  ? lock_downgrade+0x900/0x900
[  457.269425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.274973]  cache_grow_begin+0xa5/0x8c0
[  457.279037]  ? do_raw_spin_unlock+0xa7/0x330
[  457.283452]  fallback_alloc+0x204/0x2e0
[  457.287432]  ____cache_alloc_node+0x1c7/0x1e0
[  457.291936]  kmem_cache_alloc_node+0xe3/0x730
[  457.296435]  ? ipv6_get_ifaddr+0x42e/0x620
[  457.300678]  __alloc_skb+0x119/0x770
[  457.304394]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.309677]  ? netdev_alloc_frag+0x1f0/0x1f0
[  457.314084]  ? lock_downgrade+0x900/0x900
[  457.318244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.323781]  ? refcount_sub_and_test_checked+0x203/0x310
[  457.329238]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  457.334692]  ? addrconf_rs_timer+0x690/0x690
[  457.339112]  ndisc_alloc_skb+0x144/0x340
[  457.343184]  ndisc_send_rs+0x331/0x6e0
[  457.347081]  addrconf_rs_timer+0x314/0x690
[  457.351323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.355571]  call_timer_fn+0x272/0x920
[  457.359455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.363690]  ? process_timeout+0x40/0x40
[  457.367760]  ? mark_held_locks+0xc7/0x130
[  457.371921]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.376419]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.380927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.385161]  ? lockdep_hardirqs_on+0x296/0x5b0
[  457.389780]  ? trace_hardirqs_on+0xbd/0x310
[  457.394101]  ? kasan_check_read+0x11/0x20
[  457.398247]  ? __run_timers+0x7da/0xc70
[  457.402225]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.407332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.411572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.415808]  __run_timers+0x7e5/0xc70
[  457.419617]  ? timer_fixup_init+0x70/0x70
[  457.423766]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  457.428782]  ? zap_class+0x640/0x640
[  457.432499]  ? print_usage_bug+0xc0/0xc0
[  457.436566]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  457.441762]  ? find_held_lock+0x36/0x1c0
[  457.445830]  ? zap_class+0x640/0x640
[  457.449560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.455100]  ? check_preemption_disabled+0x48/0x280
[  457.460126]  ? __lock_is_held+0xb5/0x140
[  457.464189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.469726]  ? check_preemption_disabled+0x48/0x280
[  457.474746]  run_timer_softirq+0x52/0xb0
[  457.478805]  ? rcu_read_lock_sched_held+0x14f/0x180
[  457.483823]  __do_softirq+0x308/0xb7e
[  457.487629]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  457.492125]  ? lock_downgrade+0x900/0x900
[  457.496278]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  457.501916]  ? pvclock_read_flags+0x160/0x160
[  457.506414]  ? lapic_next_event+0x5a/0x90
[  457.510569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.516130]  ? kvm_clock_read+0x18/0x30
[  457.520104]  ? kvm_sched_clock_read+0x9/0x20
[  457.524513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.530057]  ? check_preemption_disabled+0x48/0x280
[  457.535082]  irq_exit+0x17f/0x1c0
[  457.538539]  smp_apic_timer_interrupt+0x1cb/0x760
[  457.543382]  ? smp_call_function_single_interrupt+0x650/0x650
[  457.549276]  ? interrupt_entry+0xb5/0xc0
[  457.553339]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.558356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.563371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.568219]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.573232]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.578281]  ? task_prio+0x50/0x50
[  457.581825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.587373]  ? check_preemption_disabled+0x48/0x280
[  457.592394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.597245]  apic_timer_interrupt+0xf/0x20
[  457.601477]  </IRQ>
[  457.603759] RIP: 0010:dump_stack+0x358/0x39d
[  457.608171] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  457.627069] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  457.634779] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  457.642048] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  457.649346] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  457.656621] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  457.663893] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  457.671179]  ? dump_stack+0x34f/0x39d
[  457.674997]  ? dump_stack_print_info.cold.1+0x20/0x20
[  457.680191]  ? mark_held_locks+0x130/0x130
[  457.684429]  ? mark_held_locks+0x130/0x130
[  457.688668]  dump_header+0x27b/0xf72
[  457.692393]  ? pagefault_out_of_memory+0x197/0x197
[  457.697330]  ? __lock_acquire+0x62f/0x4c20
[  457.701569]  ? percpu_ref_get_many+0x240/0x240
[  457.706184]  ? print_usage_bug+0xc0/0xc0
[  457.710254]  ? zap_class+0x640/0x640
[  457.713968]  ? print_usage_bug+0xc0/0xc0
[  457.718027]  ? print_usage_bug+0xc0/0xc0
[  457.722180]  ? zap_class+0x640/0x640
[  457.725899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.731441]  ? find_held_lock+0x36/0x1c0
[  457.735511]  ? mark_held_locks+0xc7/0x130
[  457.739662]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  457.744768]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  457.749889]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  457.754474]  ? trace_hardirqs_on+0xbd/0x310
[  457.758799]  ? kasan_check_read+0x11/0x20
[  457.762980]  ? ___ratelimit+0x3b4/0x672
[  457.766955]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.772063]  ? trace_hardirqs_on+0x310/0x310
[  457.776470]  ? lock_downgrade+0x900/0x900
[  457.780625]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  457.785730]  ? ___ratelimit+0x3b9/0x672
[  457.789709]  ? idr_get_free+0xf70/0xf70
[  457.793688]  ? find_held_lock+0x36/0x1c0
[  457.797765]  oom_kill_process.cold.27+0x10/0x903
[  457.802525]  ? zap_class+0x640/0x640
[  457.806239]  ? check_preemption_disabled+0x48/0x280
[  457.811267]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.816198]  ? kasan_check_read+0x11/0x20
[  457.820344]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.825621]  ? oom_evaluate_task+0x540/0x540
[  457.830032]  ? find_held_lock+0x36/0x1c0
[  457.834112]  ? out_of_memory+0x974/0x1430
[  457.838260]  ? lock_downgrade+0x900/0x900
[  457.842409]  ? check_preemption_disabled+0x48/0x280
[  457.847431]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.852360]  ? kasan_check_read+0x11/0x20
[  457.856507]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.861782]  ? rcu_softirq_qs+0x20/0x20
[  457.865761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.871295]  ? oom_evaluate_task+0x302/0x540
[  457.875707]  out_of_memory+0xa84/0x1430
[  457.879688]  ? oom_killer_disable+0x3a0/0x3a0
[  457.884185]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  457.889124]  ? __ww_mutex_check_waiters+0x160/0x160
[  457.894155]  __alloc_pages_slowpath+0x2354/0x2e10
[  457.899030]  ? warn_alloc+0x120/0x120
[  457.902841]  ? mark_held_locks+0x130/0x130
[  457.907085]  ? find_get_entry+0xaae/0x1120
[  457.911328]  ? filemap_map_pages+0x1a20/0x1a20
[  457.915918]  ? zap_class+0x640/0x640
[  457.919642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.925179]  ? check_preemption_disabled+0x48/0x280
[  457.930195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.935731]  ? should_fail+0x22d/0xd01
[  457.939623]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.944732]  ? zap_class+0x640/0x640
[  457.948469]  ? __lock_is_held+0xb5/0x140
[  457.952539]  ? mark_held_locks+0x130/0x130
[  457.956777]  ? lock_release+0xa00/0xa00
[  457.960758]  ? perf_trace_sched_process_exec+0x860/0x860
[  457.966208]  ? xa_load+0x2ba/0x460
[  457.969754]  ? lock_downgrade+0x900/0x900
[  457.973909]  ? __might_sleep+0x95/0x190
[  457.977888]  __alloc_pages_nodemask+0xa80/0xde0
[  457.982568]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  457.987590]  ? __page_cache_alloc+0x191/0x5c0
[  457.992084]  ? xa_load+0x2e1/0x460
[  457.995629]  ? xa_clear_mark+0x40/0x40
[  457.999517]  ? zap_class+0x640/0x640
[  458.003255]  ? zap_class+0x640/0x640
[  458.006971]  ? zap_class+0x640/0x640
[  458.010684]  ? __do_page_cache_readahead+0x663/0x810
[  458.015792]  ? find_held_lock+0x36/0x1c0
[  458.019875]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  458.025420]  alloc_pages_current+0x173/0x350
[  458.029850]  __page_cache_alloc+0x38c/0x5c0
[  458.034174]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  458.039106]  ? kasan_check_read+0x11/0x20
[  458.043256]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  458.048557]  ? generic_perform_write+0x6a0/0x6a0
[  458.053313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.058875]  ? check_preemption_disabled+0x48/0x280
[  458.063900]  filemap_fault+0x1595/0x25f0
[  458.067974]  ? __lock_page_or_retry+0xa00/0xa00
[  458.072646]  ? mark_held_locks+0x130/0x130
[  458.076892]  ? filemap_map_pages+0xd6b/0x1a20
[  458.081404]  ? lock_downgrade+0x900/0x900
[  458.085575]  ? check_preemption_disabled+0x48/0x280
[  458.090624]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  458.095585]  ? kasan_check_read+0x11/0x20
[  458.099744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  458.105053]  ? rcu_softirq_qs+0x20/0x20
[  458.109044]  ? filemap_map_pages+0xd92/0x1a20
[  458.113544]  ? print_usage_bug+0xc0/0xc0
[  458.117880]  ? find_get_entries_tag+0x1400/0x1400
[  458.122723]  ? __kasan_slab_free+0x102/0x150
[  458.127142]  ? kasan_slab_free+0xe/0x10
[  458.131119]  ? kmem_cache_free+0x83/0x290
[  458.135270]  ? __sigqueue_free.part.29+0x74/0x90
[  458.140040]  ? lock_acquire+0x1ed/0x520
[  458.144013]  ? ext4_filemap_fault+0x7a/0xad
[  458.148344]  ? lock_release+0xa00/0xa00
[  458.152320]  ? perf_trace_sched_process_exec+0x860/0x860
[  458.157776]  ? print_usage_bug+0xc0/0xc0
[  458.161856]  ? print_usage_bug+0xc0/0xc0
[  458.165935]  ? down_read+0x8d/0x120
[  458.169562]  ? ext4_filemap_fault+0x7a/0xad
[  458.173888]  ? __down_interruptible+0x700/0x700
[  458.178564]  ext4_filemap_fault+0x82/0xad
[  458.182714]  __do_fault+0x100/0x6b0
[  458.186345]  ? pmd_devmap_trans_unstable+0x220/0x220
[  458.191464]  ? mark_held_locks+0x130/0x130
[  458.195703]  ? mark_held_locks+0x130/0x130
[  458.199942]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  458.205481]  ? rcu_pm_notify+0xc0/0xc0
[  458.209378]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.214925]  __handle_mm_fault+0x3ea0/0x5be0
[  458.219342]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  458.224183]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.228681]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  458.233264]  ? trace_hardirqs_on+0xbd/0x310
[  458.237586]  ? kasan_check_read+0x11/0x20
[  458.241731]  ? __set_current_blocked+0xdf/0x120
[  458.246402]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.251514]  ? zap_class+0x640/0x640
[  458.255259]  ? zap_class+0x640/0x640
[  458.259008]  ? find_held_lock+0x36/0x1c0
[  458.263078]  ? handle_mm_fault+0x42a/0xc70
[  458.267319]  ? lock_downgrade+0x900/0x900
[  458.271468]  ? check_preemption_disabled+0x48/0x280
[  458.276492]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  458.281425]  ? kasan_check_read+0x11/0x20
[  458.285574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  458.290856]  ? rcu_softirq_qs+0x20/0x20
[  458.295009]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.300113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.305652]  ? check_preemption_disabled+0x48/0x280
[  458.310676]  handle_mm_fault+0x54f/0xc70
[  458.314742]  ? __handle_mm_fault+0x5be0/0x5be0
[  458.319326]  ? find_vma+0x34/0x190
[  458.322873]  __do_page_fault+0x5e8/0xe60
[  458.326938]  ? exit_to_usermode_loop+0x1f4/0x380
[  458.331702]  do_page_fault+0xf2/0x7e0
[  458.335504]  ? vmalloc_sync_all+0x30/0x30
[  458.339650]  ? error_entry+0x70/0xd0
[  458.343364]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.348412]  ? trace_hardirqs_on_caller+0xc0/0x310
[  458.353341]  ? syscall_return_slowpath+0x5e0/0x5e0
[  458.358268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.363112]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.368138]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  458.373591]  ? prepare_exit_to_usermode+0x291/0x3b0
[  458.378609]  ? page_fault+0x8/0x30
[  458.382155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.387004]  ? page_fault+0x8/0x30
[  458.390543]  page_fault+0x1e/0x30
[  458.393995] RIP: 0033:0x45db60
[  458.397203] Code: Bad RIP value.
[  458.400562] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  458.405922] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  458.413189] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  458.420455] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  458.427723] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  458.434990] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  458.442286] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  458.442288] Mem-Info:
[  458.442317] active_anon:52805 inactive_anon:249 isolated_anon:0
[  458.442317]  active_file:17 inactive_file:10 isolated_file:0
[  458.442317]  unevictable:0 dirty:0 writeback:0 unstable:0
[  458.442317]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  458.442317]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  458.442317]  free:13758 free_pcp:272 free_cma:0
[  458.449657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  458.449664] Call Trace:
[  458.452099] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  458.484942]  <IRQ>
[  458.494284] 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
[  458.496872]  dump_stack+0x244/0x39d
[  458.524424] lowmem_reserve[]: 0 2818 6321 6321
[  458.526589]  ? dump_stack_print_info.cold.1+0x20/0x20
[  458.552669] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  458.556315]  warn_alloc.cold.116+0xb7/0x1bd
[  458.560853] lowmem_reserve[]: 0 0 3503 3503
[  458.566048]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  458.593349] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  458.597672]  ? lock_downgrade+0x900/0x900
[  458.601957] lowmem_reserve[]: 0 0 0 0
[  458.606818]  ? trace_hardirqs_off+0xb8/0x310
[  458.635681] 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
[  458.639838]  ? trace_hardirqs_off+0xb8/0x310
[  458.643612] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  458.648026]  __alloc_pages_slowpath+0x26e8/0x2e10
[  458.661517] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  458.665955]  ? warn_alloc+0x120/0x120
[  458.681637] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  458.686491]  ? warn_alloc+0x120/0x120
[  458.701889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  458.701898] 326 total pagecache pages
[  458.705695]  ? warn_alloc+0x120/0x120
[  458.714511] 0 pages in swap cache
[  458.718309]  ? print_usage_bug+0xc0/0xc0
[  458.726854] Swap cache stats: add 0, delete 0, find 0/0
[  458.726861] Free swap  = 0kB
[  458.730653]  ? mark_held_locks+0x130/0x130
[  458.734426] Total swap = 0kB
[  458.734434] 1965979 pages RAM
[  458.737908]  ? kvm_clock_read+0x18/0x30
[  458.741939] 0 pages HighMem/MovableOnly
[  458.741947] 342854 pages reserved
[  458.747307]  ? print_usage_bug+0xc0/0xc0
[  458.750302] 0 pages cma reserved
[  458.754535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.757578] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  458.760623]  ? should_fail+0x22d/0xd01
[  458.764633] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  458.768551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.771980] syz-fuzzer cpuset=/ mems_allowed=0
[  458.776033]  ? __lock_acquire+0x62f/0x4c20
[  458.819437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.824543]  ? __lock_acquire+0x62f/0x4c20
[  458.828784]  ? should_fail+0x22d/0xd01
[  458.832686]  ? mark_held_locks+0x130/0x130
[  458.836925]  ? mark_held_locks+0x130/0x130
[  458.841161]  ? try_to_wake_up+0x11c/0x1490
[  458.845400]  ? lock_downgrade+0x900/0x900
[  458.849553]  ? zap_class+0x640/0x640
[  458.853298]  ? print_usage_bug+0xc0/0xc0
[  458.857362]  ? trace_hardirqs_off+0xb8/0x310
[  458.861780]  ? kasan_check_read+0x11/0x20
[  458.865935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.871475]  ? check_preemption_disabled+0x48/0x280
[  458.876506]  ? __lock_is_held+0xb5/0x140
[  458.880621]  __alloc_pages_nodemask+0xa80/0xde0
[  458.885300]  ? zap_class+0x640/0x640
[  458.889020]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  458.894082]  ? find_held_lock+0x36/0x1c0
[  458.898152]  ? ____cache_alloc_node+0x1c7/0x1e0
[  458.902853]  ? lock_downgrade+0x900/0x900
[  458.907010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.912556]  cache_grow_begin+0xa5/0x8c0
[  458.916619]  ? do_raw_spin_unlock+0xa7/0x330
[  458.921049]  fallback_alloc+0x204/0x2e0
[  458.925028]  ____cache_alloc_node+0x1c7/0x1e0
[  458.929531]  kmem_cache_alloc_node+0xe3/0x730
[  458.934030]  ? ipv6_get_ifaddr+0x42e/0x620
[  458.938280]  __alloc_skb+0x119/0x770
[  458.941994]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  458.947283]  ? netdev_alloc_frag+0x1f0/0x1f0
[  458.951691]  ? lock_downgrade+0x900/0x900
[  458.955853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.961390]  ? refcount_sub_and_test_checked+0x203/0x310
[  458.966843]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  458.972296]  ? addrconf_rs_timer+0x690/0x690
[  458.976715]  ndisc_alloc_skb+0x144/0x340
[  458.980794]  ndisc_send_rs+0x331/0x6e0
[  458.984691]  addrconf_rs_timer+0x314/0x690
[  458.988934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  458.993184]  call_timer_fn+0x272/0x920
[  458.997071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.001308]  ? process_timeout+0x40/0x40
[  459.005374]  ? __run_timers+0x7da/0xc70
[  459.009350]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.013844]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.018338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.022575]  ? lockdep_hardirqs_on+0x296/0x5b0
[  459.027162]  ? trace_hardirqs_on+0xbd/0x310
[  459.031483]  ? kasan_check_read+0x11/0x20
[  459.035631]  ? __run_timers+0x7da/0xc70
[  459.039607]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.044714]  ? __queue_work+0x1440/0x1440
[  459.048878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.053112]  __run_timers+0x7e5/0xc70
[  459.056922]  ? timer_fixup_init+0x70/0x70
[  459.061071]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  459.066089]  ? zap_class+0x640/0x640
[  459.069816]  ? enqueue_hrtimer+0x1a5/0x560
[  459.074053]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  459.079255]  ? find_held_lock+0x36/0x1c0
[  459.083331]  ? zap_class+0x640/0x640
[  459.087149]  ? pvclock_read_flags+0x160/0x160
[  459.091699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.097252]  ? check_preemption_disabled+0x48/0x280
[  459.102288]  ? __lock_is_held+0xb5/0x140
[  459.106469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.112009]  ? check_preemption_disabled+0x48/0x280
[  459.117031]  run_timer_softirq+0x52/0xb0
[  459.121097]  ? rcu_read_lock_sched_held+0x14f/0x180
[  459.126114]  __do_softirq+0x308/0xb7e
[  459.129920]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  459.134415]  ? lock_downgrade+0x900/0x900
[  459.138568]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  459.143677]  ? pvclock_read_flags+0x160/0x160
[  459.148173]  ? lapic_next_event+0x5a/0x90
[  459.152323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.157864]  ? kvm_clock_read+0x18/0x30
[  459.161927]  ? kvm_sched_clock_read+0x9/0x20
[  459.166337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.171877]  ? check_preemption_disabled+0x48/0x280
[  459.176903]  irq_exit+0x17f/0x1c0
[  459.180362]  smp_apic_timer_interrupt+0x1cb/0x760
[  459.185209]  ? smp_call_function_single_interrupt+0x159/0x650
[  459.191096]  ? smp_call_function_single_interrupt+0x650/0x650
[  459.196978]  ? interrupt_entry+0xb5/0xc0
[  459.201041]  ? trace_hardirqs_off_caller+0xbb/0x310
[  459.206055]  ? trace_hardirqs_off_caller+0xbb/0x310
[  459.211071]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.215914]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.220929]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.225944]  ? task_prio+0x50/0x50
[  459.229485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.235022]  ? check_preemption_disabled+0x48/0x280
[  459.240044]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.244897]  apic_timer_interrupt+0xf/0x20
[  459.249125]  </IRQ>
[  459.251365] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  459.257254] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  459.276157] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  459.283883] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  459.291154] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  459.298421] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  459.305691] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  459.312971] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  459.320275]  ? save_stack+0xa9/0xd0
[  459.323917]  __kmalloc_node_track_caller+0x3c/0x70
[  459.328850]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  459.333614]  pskb_expand_head+0x230/0x10f0
[  459.337859]  ? memcpy+0x45/0x50
[  459.341144]  ? __copy_skb_header+0x350/0x6b0
[  459.345553]  ? skb_release_data+0x880/0x880
[  459.349873]  ? __alloc_skb+0x770/0x770
[  459.353768]  ? __lock_is_held+0xb5/0x140
[  459.357835]  ? kasan_check_write+0x14/0x20
[  459.362070]  ? __skb_clone+0x6c7/0xa00
[  459.365961]  ? __copy_skb_header+0x6b0/0x6b0
[  459.370370]  ? kmem_cache_alloc+0x33a/0x730
[  459.374700]  skb_ensure_writable+0x3dd/0x640
[  459.379125]  ? skb_checksum_setup+0xaa0/0xaa0
[  459.383624]  ? check_preemption_disabled+0x48/0x280
[  459.388650]  ? __this_cpu_preempt_check+0x1c/0x20
[  459.393495]  ? __bpf_redirect+0x54b/0xb20
[  459.397651]  bpf_clone_redirect+0x14a/0x490
[  459.401979]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  459.407001]  ? __sched_text_start+0x8/0x8
[  459.411152]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  459.415743]  ? retint_kernel+0x2d/0x2d
[  459.419629]  ? trace_hardirqs_on_caller+0xc0/0x310
[  459.424563]  ? find_held_lock+0x36/0x1c0
[  459.428635]  ? lock_acquire+0x1ed/0x520
[  459.432614]  ? bpf_test_run+0x3cb/0x780
[  459.436588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.442124]  ? check_preemption_disabled+0x48/0x280
[  459.447145]  ? kasan_check_read+0x11/0x20
[  459.451294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.456572]  ? rcu_softirq_qs+0x20/0x20
[  459.460546]  ? preempt_schedule+0x4d/0x60
[  459.464708]  ? ___preempt_schedule+0x16/0x18
[  459.469124]  ? bpf_test_run+0x25d/0x780
[  459.473114]  ? netlink_diag_dump+0x2a0/0x2a0
[  459.477532]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  459.482298]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  459.487138]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  459.492677]  ? fput+0x130/0x1a0
[  459.495974]  ? __bpf_prog_get+0x9b/0x290
[  459.500542]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  459.505393]  ? bpf_prog_test_run+0x130/0x1a0
[  459.509811]  ? __x64_sys_bpf+0x3d8/0x520
[  459.513877]  ? bpf_prog_get+0x20/0x20
[  459.517688]  ? do_syscall_64+0x142/0x820
[  459.521767]  ? do_syscall_64+0x1b9/0x820
[  459.525831]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  459.531211]  ? syscall_return_slowpath+0x5e0/0x5e0
[  459.536148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.540996]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.546014]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  459.551034]  ? prepare_exit_to_usermode+0x291/0x3b0
[  459.556056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.560905]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  459.566287] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  459.566352] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  459.573305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  459.573310] Call Trace:
[  459.573316]  <IRQ>
[  459.573334]  dump_stack+0x244/0x39d
[  459.573352]  ? dump_stack_print_info.cold.1+0x20/0x20
[  459.579901] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  459.589186]  warn_alloc.cold.116+0xb7/0x1bd
[  459.591750] syz-executor1 cpuset=syz1 mems_allowed=0
[  459.593894]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  459.627426]  ? lock_downgrade+0x900/0x900
[  459.631587]  ? trace_hardirqs_off+0xb8/0x310
[  459.636001]  ? trace_hardirqs_off+0xb8/0x310
[  459.640420]  __alloc_pages_slowpath+0x26e8/0x2e10
[  459.645293]  ? warn_alloc+0x120/0x120
[  459.649101]  ? print_usage_bug+0xc0/0xc0
[  459.653166]  ? warn_alloc+0x120/0x120
[  459.656972]  ? warn_alloc+0x120/0x120
[  459.660774]  ? print_usage_bug+0xc0/0xc0
[  459.664838]  ? print_usage_bug+0xc0/0xc0
[  459.668903]  ? __lock_acquire+0x62f/0x4c20
[  459.673146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.678700]  ? should_fail+0x22d/0xd01
[  459.682597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.687716]  ? __lock_acquire+0x62f/0x4c20
[  459.691958]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.697058]  ? __lock_acquire+0x62f/0x4c20
[  459.701292]  ? should_fail+0x22d/0xd01
[  459.705184]  ? find_held_lock+0x36/0x1c0
[  459.709258]  ? mark_held_locks+0x130/0x130
[  459.713496]  ? mark_held_locks+0x130/0x130
[  459.717732]  ? zap_class+0x640/0x640
[  459.721447]  ? zap_class+0x640/0x640
[  459.725165]  ? print_usage_bug+0xc0/0xc0
[  459.729225]  ? do_raw_spin_unlock+0xa7/0x330
[  459.733635]  ? zap_class+0x640/0x640
[  459.737347]  ? print_usage_bug+0xc0/0xc0
[  459.741407]  ? wq_watchdog_touch+0x9c/0xfe
[  459.745645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.751225]  ? check_preemption_disabled+0x48/0x280
[  459.756249]  ? __lock_is_held+0xb5/0x140
[  459.760319]  __alloc_pages_nodemask+0xa80/0xde0
[  459.764991]  ? zap_class+0x640/0x640
[  459.768720]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  459.773773]  ? find_held_lock+0x36/0x1c0
[  459.777846]  ? ____cache_alloc_node+0x1c7/0x1e0
[  459.782516]  ? lock_downgrade+0x900/0x900
[  459.786682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.792237]  cache_grow_begin+0xa5/0x8c0
[  459.796303]  ? do_raw_spin_unlock+0xa7/0x330
[  459.800731]  fallback_alloc+0x204/0x2e0
[  459.804734]  ____cache_alloc_node+0x1c7/0x1e0
[  459.809237]  kmem_cache_alloc_node+0xe3/0x730
[  459.813735]  ? ipv6_get_ifaddr+0x42e/0x620
[  459.817984]  __alloc_skb+0x119/0x770
[  459.821713]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.826995]  ? netdev_alloc_frag+0x1f0/0x1f0
[  459.831420]  ? lock_downgrade+0x900/0x900
[  459.835574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.841633]  ? refcount_sub_and_test_checked+0x203/0x310
[  459.847100]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  459.852552]  ? addrconf_rs_timer+0x690/0x690
[  459.856974]  ndisc_alloc_skb+0x144/0x340
[  459.861039]  ndisc_send_rs+0x331/0x6e0
[  459.864935]  addrconf_rs_timer+0x314/0x690
[  459.869205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.873462]  call_timer_fn+0x272/0x920
[  459.877380]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.881619]  ? process_timeout+0x40/0x40
[  459.885709]  ? mark_held_locks+0xc7/0x130
[  459.889857]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.894371]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.898871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.903110]  ? lockdep_hardirqs_on+0x296/0x5b0
[  459.907785]  ? trace_hardirqs_on+0xbd/0x310
[  459.912107]  ? kasan_check_read+0x11/0x20
[  459.916253]  ? __run_timers+0x7da/0xc70
[  459.920228]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.925338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.929577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.933812]  __run_timers+0x7e5/0xc70
[  459.937620]  ? timer_fixup_init+0x70/0x70
[  459.941772]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  459.946795]  ? zap_class+0x640/0x640
[  459.950513]  ? print_usage_bug+0xc0/0xc0
[  459.954580]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  459.959779]  ? find_held_lock+0x36/0x1c0
[  459.963885]  ? zap_class+0x640/0x640
[  459.967604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.973142]  ? check_preemption_disabled+0x48/0x280
[  459.978168]  ? __lock_is_held+0xb5/0x140
[  459.982234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.987776]  ? check_preemption_disabled+0x48/0x280
[  459.992795]  run_timer_softirq+0x52/0xb0
[  459.996859]  ? rcu_read_lock_sched_held+0x14f/0x180
[  460.001882]  __do_softirq+0x308/0xb7e
[  460.005707]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  460.010204]  ? lock_downgrade+0x900/0x900
[  460.014356]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  460.019495]  ? pvclock_read_flags+0x160/0x160
[  460.023995]  ? lapic_next_event+0x5a/0x90
[  460.028157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.033709]  ? kvm_clock_read+0x18/0x30
[  460.037695]  ? kvm_sched_clock_read+0x9/0x20
[  460.042113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.047670]  ? check_preemption_disabled+0x48/0x280
[  460.052723]  irq_exit+0x17f/0x1c0
[  460.056185]  smp_apic_timer_interrupt+0x1cb/0x760
[  460.061118]  ? smp_call_function_single_interrupt+0x650/0x650
[  460.067020]  ? interrupt_entry+0xb5/0xc0
[  460.071090]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.076106]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.081123]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.085969]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.090985]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.096004]  ? task_prio+0x50/0x50
[  460.099550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.105122]  ? check_preemption_disabled+0x48/0x280
[  460.110146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.114999]  apic_timer_interrupt+0xf/0x20
[  460.119228]  </IRQ>
[  460.121466] RIP: 0010:dump_stack+0x358/0x39d
[  460.125876] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  460.144779] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  460.152485] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  460.159754] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  460.167019] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  460.174285] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  460.181546] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  460.188839]  ? dump_stack+0x34f/0x39d
[  460.192658]  ? dump_stack_print_info.cold.1+0x20/0x20
[  460.197856]  ? mark_held_locks+0x130/0x130
[  460.202171]  ? mark_held_locks+0x130/0x130
[  460.206409]  dump_header+0x27b/0xf72
[  460.210128]  ? pagefault_out_of_memory+0x197/0x197
[  460.215059]  ? __lock_acquire+0x62f/0x4c20
[  460.219289]  ? percpu_ref_get_many+0x240/0x240
[  460.223871]  ? print_usage_bug+0xc0/0xc0
[  460.227931]  ? zap_class+0x640/0x640
[  460.231648]  ? print_usage_bug+0xc0/0xc0
[  460.235708]  ? print_usage_bug+0xc0/0xc0
[  460.239768]  ? zap_class+0x640/0x640
[  460.243480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.249020]  ? find_held_lock+0x36/0x1c0
[  460.253086]  ? mark_held_locks+0xc7/0x130
[  460.257238]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  460.262335]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  460.267437]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  460.272014]  ? trace_hardirqs_on+0xbd/0x310
[  460.276331]  ? kasan_check_read+0x11/0x20
[  460.280475]  ? ___ratelimit+0x3b4/0x672
[  460.284447]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.289548]  ? trace_hardirqs_on+0x310/0x310
[  460.293953]  ? lock_downgrade+0x900/0x900
[  460.298102]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  460.303204]  ? ___ratelimit+0x3b9/0x672
[  460.307175]  ? idr_get_free+0xf70/0xf70
[  460.311144]  ? find_held_lock+0x36/0x1c0
[  460.315214]  oom_kill_process.cold.27+0x10/0x903
[  460.319969]  ? zap_class+0x640/0x640
[  460.323685]  ? check_preemption_disabled+0x48/0x280
[  460.328727]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.333659]  ? kasan_check_read+0x11/0x20
[  460.337808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.343080]  ? oom_evaluate_task+0x540/0x540
[  460.347491]  ? find_held_lock+0x36/0x1c0
[  460.351553]  ? out_of_memory+0x974/0x1430
[  460.355710]  ? lock_downgrade+0x900/0x900
[  460.359868]  ? check_preemption_disabled+0x48/0x280
[  460.364884]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.369821]  ? kasan_check_read+0x11/0x20
[  460.373963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.379240]  ? rcu_softirq_qs+0x20/0x20
[  460.383215]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.388748]  ? oom_evaluate_task+0x302/0x540
[  460.393157]  out_of_memory+0xa84/0x1430
[  460.397137]  ? oom_killer_disable+0x3a0/0x3a0
[  460.401636]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  460.406570]  ? __ww_mutex_check_waiters+0x160/0x160
[  460.411595]  __alloc_pages_slowpath+0x2354/0x2e10
[  460.416468]  ? warn_alloc+0x120/0x120
[  460.420264]  ? mark_held_locks+0x130/0x130
[  460.424514]  ? find_get_entry+0xaae/0x1120
[  460.428756]  ? filemap_map_pages+0x1a20/0x1a20
[  460.433339]  ? zap_class+0x640/0x640
[  460.437066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.442602]  ? check_preemption_disabled+0x48/0x280
[  460.447629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.453193]  ? should_fail+0x22d/0xd01
[  460.457081]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  460.462181]  ? zap_class+0x640/0x640
[  460.465915]  ? __lock_is_held+0xb5/0x140
[  460.469981]  ? mark_held_locks+0x130/0x130
[  460.474219]  ? lock_release+0xa00/0xa00
[  460.478199]  ? perf_trace_sched_process_exec+0x860/0x860
[  460.483646]  ? xa_load+0x2ba/0x460
[  460.487187]  ? lock_downgrade+0x900/0x900
[  460.491336]  ? __might_sleep+0x95/0x190
[  460.495310]  __alloc_pages_nodemask+0xa80/0xde0
[  460.500463]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  460.505477]  ? __page_cache_alloc+0x191/0x5c0
[  460.509975]  ? xa_load+0x2e1/0x460
[  460.513515]  ? xa_clear_mark+0x40/0x40
[  460.517401]  ? zap_class+0x640/0x640
[  460.521115]  ? zap_class+0x640/0x640
[  460.524822]  ? zap_class+0x640/0x640
[  460.528530]  ? __do_page_cache_readahead+0x663/0x810
[  460.533643]  ? find_held_lock+0x36/0x1c0
[  460.537708]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  460.543249]  alloc_pages_current+0x173/0x350
[  460.547673]  __page_cache_alloc+0x38c/0x5c0
[  460.551985]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.556907]  ? kasan_check_read+0x11/0x20
[  460.561047]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.566323]  ? generic_perform_write+0x6a0/0x6a0
[  460.571078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.576616]  ? check_preemption_disabled+0x48/0x280
[  460.581648]  filemap_fault+0x1595/0x25f0
[  460.585718]  ? __lock_page_or_retry+0xa00/0xa00
[  460.590387]  ? mark_held_locks+0x130/0x130
[  460.594633]  ? filemap_map_pages+0xd6b/0x1a20
[  460.599128]  ? lock_downgrade+0x900/0x900
[  460.603270]  ? check_preemption_disabled+0x48/0x280
[  460.608282]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.613203]  ? kasan_check_read+0x11/0x20
[  460.617348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.622626]  ? rcu_softirq_qs+0x20/0x20
[  460.626622]  ? filemap_map_pages+0xd92/0x1a20
[  460.631118]  ? print_usage_bug+0xc0/0xc0
[  460.635178]  ? find_get_entries_tag+0x1400/0x1400
[  460.640014]  ? __kasan_slab_free+0x102/0x150
[  460.644416]  ? kasan_slab_free+0xe/0x10
[  460.648383]  ? kmem_cache_free+0x83/0x290
[  460.652524]  ? __sigqueue_free.part.29+0x74/0x90
[  460.657290]  ? lock_acquire+0x1ed/0x520
[  460.661263]  ? ext4_filemap_fault+0x7a/0xad
[  460.665586]  ? lock_release+0xa00/0xa00
[  460.670146]  ? perf_trace_sched_process_exec+0x860/0x860
[  460.675607]  ? print_usage_bug+0xc0/0xc0
[  460.679668]  ? print_usage_bug+0xc0/0xc0
[  460.683737]  ? down_read+0x8d/0x120
[  460.687357]  ? ext4_filemap_fault+0x7a/0xad
[  460.691672]  ? __down_interruptible+0x700/0x700
[  460.696342]  ext4_filemap_fault+0x82/0xad
[  460.700487]  __do_fault+0x100/0x6b0
[  460.704110]  ? pmd_devmap_trans_unstable+0x220/0x220
[  460.709213]  ? mark_held_locks+0x130/0x130
[  460.713446]  ? mark_held_locks+0x130/0x130
[  460.717674]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  460.723207]  ? rcu_pm_notify+0xc0/0xc0
[  460.727096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.732636]  __handle_mm_fault+0x3ea0/0x5be0
[  460.737051]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  460.741892]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.746388]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  460.750966]  ? trace_hardirqs_on+0xbd/0x310
[  460.755284]  ? kasan_check_read+0x11/0x20
[  460.759425]  ? __set_current_blocked+0xdf/0x120
[  460.764088]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.769198]  ? zap_class+0x640/0x640
[  460.772907]  ? zap_class+0x640/0x640
[  460.776628]  ? find_held_lock+0x36/0x1c0
[  460.780715]  ? handle_mm_fault+0x42a/0xc70
[  460.784944]  ? lock_downgrade+0x900/0x900
[  460.789085]  ? check_preemption_disabled+0x48/0x280
[  460.794116]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.799041]  ? kasan_check_read+0x11/0x20
[  460.803184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.808453]  ? rcu_softirq_qs+0x20/0x20
[  460.812423]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.817523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.823054]  ? check_preemption_disabled+0x48/0x280
[  460.828071]  handle_mm_fault+0x54f/0xc70
[  460.832132]  ? __handle_mm_fault+0x5be0/0x5be0
[  460.836713]  ? find_vma+0x34/0x190
[  460.840255]  __do_page_fault+0x5e8/0xe60
[  460.844319]  ? exit_to_usermode_loop+0x1f4/0x380
[  460.849081]  do_page_fault+0xf2/0x7e0
[  460.852881]  ? vmalloc_sync_all+0x30/0x30
[  460.857027]  ? error_entry+0x70/0xd0
[  460.860745]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.865755]  ? trace_hardirqs_on_caller+0xc0/0x310
[  460.870775]  ? syscall_return_slowpath+0x5e0/0x5e0
[  460.875706]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.880554]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.885573]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  460.891038]  ? prepare_exit_to_usermode+0x291/0x3b0
[  460.896055]  ? page_fault+0x8/0x30
[  460.899604]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.904450]  ? page_fault+0x8/0x30
[  460.907989]  page_fault+0x1e/0x30
[  460.911442] RIP: 0033:0x45db60
[  460.914647] Code: Bad RIP value.
[  460.918003] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  460.923359] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  460.930625] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  460.937887] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  460.945149] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  460.952413] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  460.959701] warn_alloc_show_mem: 1 callbacks suppressed
[  460.959711] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  460.959712] Mem-Info:
[  460.959741] active_anon:52805 inactive_anon:249 isolated_anon:0
[  460.959741]  active_file:17 inactive_file:10 isolated_file:0
[  460.959741]  unevictable:0 dirty:0 writeback:0 unstable:0
[  460.959741]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  460.959741]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  460.959741]  free:13758 free_pcp:272 free_cma:0
[  460.965076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  460.965083] Call Trace:
[  460.972444] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  460.974832]  <IRQ>
[  461.007688] 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
[  461.017037]  dump_stack+0x244/0x39d
[  461.019595] lowmem_reserve[]: 0 2818 6321 6321
[  461.047174]  ? dump_stack_print_info.cold.1+0x20/0x20
[  461.049293] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  461.075403]  warn_alloc.cold.116+0xb7/0x1bd
[  461.078996] lowmem_reserve[]: 0 0 3503 3503
[  461.083575]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  461.088748] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  461.116066]  ? lock_downgrade+0x900/0x900
[  461.120354] lowmem_reserve[]: 0 0 0 0
[  461.124679]  ? trace_hardirqs_off+0xb8/0x310
[  461.129489] 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
[  461.158374]  ? trace_hardirqs_off+0xb8/0x310
[  461.162491] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  461.166309]  __alloc_pages_slowpath+0x26e8/0x2e10
[  461.170676] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  461.184224]  ? warn_alloc+0x120/0x120
[  461.188586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  461.203747]  ? print_usage_bug+0xc0/0xc0
[  461.208573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  461.223986]  ? warn_alloc+0x120/0x120
[  461.227760] 326 total pagecache pages
[  461.236587]  ? warn_alloc+0x120/0x120
[  461.240631] 0 pages in swap cache
[  461.249183]  ? print_usage_bug+0xc0/0xc0
[  461.252966] Swap cache stats: add 0, delete 0, find 0/0
[  461.256750]  ? kvm_clock_read+0x18/0x30
[  461.260518] Free swap  = 0kB
[  461.263959]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  461.267983] Total swap = 0kB
[  461.267991] 1965979 pages RAM
[  461.273338]  ? print_usage_bug+0xc0/0xc0
[  461.277284] 0 pages HighMem/MovableOnly
[  461.280292]  ? __lock_acquire+0x62f/0x4c20
[  461.285274] 342854 pages reserved
[  461.285281] 0 pages cma reserved
[  461.288291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.291419] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  461.295415]  ? should_fail+0x22d/0xd01
[  461.299438] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  461.303583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.307021] syz-fuzzer cpuset=/ mems_allowed=0
[  461.310464]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.351451]  ? __lock_acquire+0x62f/0x4c20
[  461.355688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.360786]  ? __lock_acquire+0x62f/0x4c20
[  461.365013]  ? should_fail+0x22d/0xd01
[  461.368892]  ? rcu_irq_exit+0x1a2/0x390
[  461.372869]  ? mark_held_locks+0x130/0x130
[  461.377109]  ? mark_held_locks+0x130/0x130
[  461.381342]  ? mark_held_locks+0xc7/0x130
[  461.385484]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  461.390495]  ? zap_class+0x640/0x640
[  461.394203]  ? print_usage_bug+0xc0/0xc0
[  461.398265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.403799]  ? check_preemption_disabled+0x48/0x280
[  461.408820]  ? __lock_is_held+0xb5/0x140
[  461.412882]  __alloc_pages_nodemask+0xa80/0xde0
[  461.417555]  ? zap_class+0x640/0x640
[  461.421266]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  461.426288]  ? find_held_lock+0x36/0x1c0
[  461.430354]  ? ____cache_alloc_node+0x1c7/0x1e0
[  461.435022]  ? lock_downgrade+0x900/0x900
[  461.439172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.444708]  cache_grow_begin+0xa5/0x8c0
[  461.448765]  ? do_raw_spin_unlock+0xa7/0x330
[  461.453179]  fallback_alloc+0x204/0x2e0
[  461.457156]  ____cache_alloc_node+0x1c7/0x1e0
[  461.461653]  kmem_cache_alloc_node+0xe3/0x730
[  461.466145]  ? ipv6_get_ifaddr+0x42e/0x620
[  461.470386]  __alloc_skb+0x119/0x770
[  461.474096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.479371]  ? netdev_alloc_frag+0x1f0/0x1f0
[  461.483774]  ? lock_downgrade+0x900/0x900
[  461.487923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.493455]  ? refcount_sub_and_test_checked+0x203/0x310
[  461.498903]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  461.504762]  ? addrconf_rs_timer+0x690/0x690
[  461.509178]  ndisc_alloc_skb+0x144/0x340
[  461.513239]  ndisc_send_rs+0x331/0x6e0
[  461.517127]  addrconf_rs_timer+0x314/0x690
[  461.521362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.525605]  call_timer_fn+0x272/0x920
[  461.529487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.533719]  ? process_timeout+0x40/0x40
[  461.537789]  ? __run_timers+0x7da/0xc70
[  461.541761]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.546251]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.550739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.554969]  ? lockdep_hardirqs_on+0x296/0x5b0
[  461.559553]  ? trace_hardirqs_on+0xbd/0x310
[  461.563869]  ? kasan_check_read+0x11/0x20
[  461.568014]  ? __run_timers+0x7da/0xc70
[  461.571985]  ? trace_hardirqs_off_caller+0x310/0x310
[  461.577091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.581324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.585558]  __run_timers+0x7e5/0xc70
[  461.589362]  ? timer_fixup_init+0x70/0x70
[  461.593507]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  461.598545]  ? zap_class+0x640/0x640
[  461.602261]  ? enqueue_hrtimer+0x1a5/0x560
[  461.606491]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  461.611691]  ? find_held_lock+0x36/0x1c0
[  461.615754]  ? zap_class+0x640/0x640
[  461.619466]  ? pvclock_read_flags+0x160/0x160
[  461.623961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.629509]  ? check_preemption_disabled+0x48/0x280
[  461.634543]  ? __lock_is_held+0xb5/0x140
[  461.638777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.644311]  ? check_preemption_disabled+0x48/0x280
[  461.649336]  run_timer_softirq+0x52/0xb0
[  461.653392]  ? rcu_read_lock_sched_held+0x14f/0x180
[  461.658404]  __do_softirq+0x308/0xb7e
[  461.662209]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  461.666701]  ? lock_downgrade+0x900/0x900
[  461.670854]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  461.675980]  ? pvclock_read_flags+0x160/0x160
[  461.680477]  ? lapic_next_event+0x5a/0x90
[  461.684624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.690270]  ? kvm_clock_read+0x18/0x30
[  461.694241]  ? kvm_sched_clock_read+0x9/0x20
[  461.698649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.704187]  ? check_preemption_disabled+0x48/0x280
[  461.709208]  irq_exit+0x17f/0x1c0
[  461.712661]  smp_apic_timer_interrupt+0x1cb/0x760
[  461.717522]  ? smp_call_function_single_interrupt+0x159/0x650
[  461.723408]  ? smp_call_function_single_interrupt+0x650/0x650
[  461.729289]  ? interrupt_entry+0xb5/0xc0
[  461.733354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  461.738369]  ? trace_hardirqs_off_caller+0xbb/0x310
[  461.743381]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.748226]  ? trace_hardirqs_on_caller+0x310/0x310
[  461.753237]  ? trace_hardirqs_on_caller+0x310/0x310
[  461.758251]  ? task_prio+0x50/0x50
[  461.761793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.767330]  ? check_preemption_disabled+0x48/0x280
[  461.772350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.777198]  apic_timer_interrupt+0xf/0x20
[  461.781440]  </IRQ>
[  461.783678] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  461.789562] Code: 3f 7e 0f 85 32 ff ff ff e8 73 e8 3d ff e9 28 ff ff ff e8 da 1d c3 ff 48 83 3d f2 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  461.808472] RSP: 0018:ffff88018ebbf498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  461.816183] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  461.823447] RDX: 0000000000000000 RSI: ffff8801b7482b80 RDI: 0000000000000286
[  461.830713] RBP: ffff88018ebbf510 R08: ffff8801b7482300 R09: 0000000000000000
[  461.837975] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  461.845237] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  461.852538]  ? save_stack+0xa9/0xd0
[  461.856172]  __kmalloc_node_track_caller+0x3c/0x70
[  461.861114]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  461.865872]  pskb_expand_head+0x230/0x10f0
[  461.870112]  ? memcpy+0x45/0x50
[  461.873395]  ? __copy_skb_header+0x350/0x6b0
[  461.877804]  ? skb_release_data+0x880/0x880
[  461.882129]  ? __alloc_skb+0x770/0x770
[  461.886024]  ? __lock_is_held+0xb5/0x140
[  461.890098]  ? kasan_check_write+0x14/0x20
[  461.894330]  ? __skb_clone+0x6c7/0xa00
[  461.898217]  ? __copy_skb_header+0x6b0/0x6b0
[  461.902621]  ? kmem_cache_alloc+0x33a/0x730
[  461.906949]  skb_ensure_writable+0x3dd/0x640
[  461.911358]  ? skb_checksum_setup+0xaa0/0xaa0
[  461.915850]  ? check_preemption_disabled+0x48/0x280
[  461.920867]  ? __this_cpu_preempt_check+0x1c/0x20
[  461.925706]  ? __bpf_redirect+0x54b/0xb20
[  461.929860]  bpf_clone_redirect+0x14a/0x490
[  461.934186]  bpf_prog_bebbfe2050753572+0xe2a/0x1000
[  461.939206]  ? __sched_text_start+0x8/0x8
[  461.943352]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  461.947930]  ? retint_kernel+0x2d/0x2d
[  461.951812]  ? trace_hardirqs_on_caller+0xc0/0x310
[  461.956742]  ? find_held_lock+0x36/0x1c0
[  461.960806]  ? lock_acquire+0x1ed/0x520
[  461.964779]  ? bpf_test_run+0x3cb/0x780
[  461.968754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.974291]  ? check_preemption_disabled+0x48/0x280
[  461.979311]  ? kasan_check_read+0x11/0x20
[  461.983458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.988730]  ? rcu_softirq_qs+0x20/0x20
[  461.992705]  ? preempt_schedule+0x4d/0x60
[  461.996854]  ? ___preempt_schedule+0x16/0x18
[  462.001266]  ? bpf_test_run+0x25d/0x780
[  462.005249]  ? netlink_diag_dump+0x2a0/0x2a0
[  462.009664]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  462.014426]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  462.019263]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  462.024795]  ? fput+0x130/0x1a0
[  462.028070]  ? __bpf_prog_get+0x9b/0x290
[  462.032134]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  462.036970]  ? bpf_prog_test_run+0x130/0x1a0
[  462.041382]  ? __x64_sys_bpf+0x3d8/0x520
[  462.045438]  ? bpf_prog_get+0x20/0x20
[  462.049246]  ? do_syscall_64+0x142/0x820
[  462.053316]  ? do_syscall_64+0x1b9/0x820
[  462.057371]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  462.062732]  ? syscall_return_slowpath+0x5e0/0x5e0
[  462.067656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.072506]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.077524]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  462.082539]  ? prepare_exit_to_usermode+0x291/0x3b0
[  462.087558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.092405]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  462.097799] CPU: 0 PID: 5972 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  462.097863] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  462.104816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  462.104823] Call Trace:
[  462.111378] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  462.120636]  <IRQ>
[  462.123200] syz-executor1 cpuset=syz1 mems_allowed=0
[  462.133676]  dump_stack+0x244/0x39d
[  462.144518]  ? dump_stack_print_info.cold.1+0x20/0x20
[  462.149720]  warn_alloc.cold.116+0xb7/0x1bd
[  462.154043]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  462.158885]  ? lock_downgrade+0x900/0x900
[  462.163036]  ? trace_hardirqs_off+0xb8/0x310
[  462.167447]  ? trace_hardirqs_off+0xb8/0x310
[  462.171868]  __alloc_pages_slowpath+0x26e8/0x2e10
[  462.176733]  ? warn_alloc+0x120/0x120
[  462.180536]  ? print_usage_bug+0xc0/0xc0
[  462.184596]  ? warn_alloc+0x120/0x120
[  462.188398]  ? warn_alloc+0x120/0x120
[  462.192194]  ? print_usage_bug+0xc0/0xc0
[  462.196249]  ? kvm_clock_read+0x18/0x30
[  462.200220]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  462.205233]  ? print_usage_bug+0xc0/0xc0
[  462.209292]  ? __lock_acquire+0x62f/0x4c20
[  462.213533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.219069]  ? should_fail+0x22d/0xd01
[  462.222950]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.228224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.233325]  ? __lock_acquire+0x62f/0x4c20
[  462.237561]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.242663]  ? __lock_acquire+0x62f/0x4c20
[  462.246900]  ? should_fail+0x22d/0xd01
[  462.250785]  ? rcu_irq_exit+0x1a2/0x390
[  462.254771]  ? mark_held_locks+0x130/0x130
[  462.259006]  ? mark_held_locks+0x130/0x130
[  462.263247]  ? mark_held_locks+0xc7/0x130
[  462.267391]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  462.272403]  ? zap_class+0x640/0x640
[  462.276113]  ? print_usage_bug+0xc0/0xc0
[  462.280174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.285712]  ? check_preemption_disabled+0x48/0x280
[  462.290732]  ? __lock_is_held+0xb5/0x140
[  462.294814]  __alloc_pages_nodemask+0xa80/0xde0
[  462.299490]  ? zap_class+0x640/0x640
[  462.303207]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  462.308229]  ? find_held_lock+0x36/0x1c0
[  462.312299]  ? ____cache_alloc_node+0x1c7/0x1e0
[  462.316965]  ? lock_downgrade+0x900/0x900
[  462.321114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.326650]  cache_grow_begin+0xa5/0x8c0
[  462.330707]  ? do_raw_spin_unlock+0xa7/0x330
[  462.335119]  fallback_alloc+0x204/0x2e0
[  462.339096]  ____cache_alloc_node+0x1c7/0x1e0
[  462.343592]  kmem_cache_alloc_node+0xe3/0x730
[  462.348082]  ? ipv6_get_ifaddr+0x42e/0x620
[  462.352321]  __alloc_skb+0x119/0x770
[  462.356063]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.361339]  ? netdev_alloc_frag+0x1f0/0x1f0
[  462.365746]  ? lock_downgrade+0x900/0x900
[  462.369896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.375428]  ? refcount_sub_and_test_checked+0x203/0x310
[  462.380885]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  462.386332]  ? addrconf_rs_timer+0x690/0x690
[  462.390746]  ndisc_alloc_skb+0x144/0x340
[  462.394807]  ndisc_send_rs+0x331/0x6e0
[  462.398699]  addrconf_rs_timer+0x314/0x690
[  462.402934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.407172]  call_timer_fn+0x272/0x920
[  462.411056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.415286]  ? process_timeout+0x40/0x40
[  462.419352]  ? mark_held_locks+0xc7/0x130
[  462.423507]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.427998]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.432494]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.436726]  ? lockdep_hardirqs_on+0x296/0x5b0
[  462.441305]  ? trace_hardirqs_on+0xbd/0x310
[  462.445625]  ? kasan_check_read+0x11/0x20
[  462.449770]  ? __run_timers+0x7da/0xc70
[  462.453743]  ? trace_hardirqs_off_caller+0x310/0x310
[  462.458846]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.463095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.467326]  __run_timers+0x7e5/0xc70
[  462.471131]  ? timer_fixup_init+0x70/0x70
[  462.475277]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  462.480289]  ? zap_class+0x640/0x640
[  462.484005]  ? print_usage_bug+0xc0/0xc0
[  462.488064]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  462.493260]  ? find_held_lock+0x36/0x1c0
[  462.497321]  ? zap_class+0x640/0x640
[  462.501508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.507043]  ? check_preemption_disabled+0x48/0x280
[  462.512064]  ? __lock_is_held+0xb5/0x140
[  462.516122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.521657]  ? check_preemption_disabled+0x48/0x280
[  462.526672]  run_timer_softirq+0x52/0xb0
[  462.530730]  ? rcu_read_lock_sched_held+0x14f/0x180
[  462.535745]  __do_softirq+0x308/0xb7e
[  462.539545]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  462.544035]  ? lock_downgrade+0x900/0x900
[  462.548181]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  462.553287]  ? pvclock_read_flags+0x160/0x160
[  462.557788]  ? lapic_next_event+0x5a/0x90
[  462.561940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.567489]  ? kvm_clock_read+0x18/0x30
[  462.571467]  ? kvm_sched_clock_read+0x9/0x20
[  462.575880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.581416]  ? check_preemption_disabled+0x48/0x280
[  462.586452]  irq_exit+0x17f/0x1c0
[  462.589910]  smp_apic_timer_interrupt+0x1cb/0x760
[  462.594755]  ? smp_call_function_single_interrupt+0x650/0x650
[  462.600635]  ? interrupt_entry+0xb5/0xc0
[  462.604693]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.609709]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.614724]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.619565]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.624578]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.629592]  ? task_prio+0x50/0x50
[  462.633141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.638679]  ? check_preemption_disabled+0x48/0x280
[  462.643697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.648545]  apic_timer_interrupt+0xf/0x20
[  462.652772]  </IRQ>
[  462.655008] RIP: 0010:dump_stack+0x358/0x39d
[  462.659413] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  462.678810] RSP: 0000:ffff8801b5d1e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  462.686519] RAX: ffff8801b3a36400 RBX: 1ffffffff12a3f76 RCX: 1ffff10036746d9e
[  462.693781] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  462.701044] RBP: ffff8801b5d1e290 R08: ffff8801b3a36cf0 R09: 0000000000000006
[  462.708306] R10: 0000000000000000 R11: ffff8801b3a36400 R12: 1ffff10036ba3c45
[  462.715590] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  462.722881]  ? dump_stack+0x34f/0x39d
[  462.726689]  ? dump_stack_print_info.cold.1+0x20/0x20
[  462.731906]  ? mark_held_locks+0x130/0x130
[  462.736136]  ? mark_held_locks+0x130/0x130
[  462.740375]  dump_header+0x27b/0xf72
[  462.744095]  ? pagefault_out_of_memory+0x197/0x197
[  462.749028]  ? __lock_acquire+0x62f/0x4c20
[  462.753262]  ? percpu_ref_get_many+0x240/0x240
[  462.757844]  ? print_usage_bug+0xc0/0xc0
[  462.761907]  ? zap_class+0x640/0x640
[  462.765619]  ? print_usage_bug+0xc0/0xc0
[  462.769680]  ? print_usage_bug+0xc0/0xc0
[  462.773742]  ? zap_class+0x640/0x640
[  462.777466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.783004]  ? find_held_lock+0x36/0x1c0
[  462.787075]  ? mark_held_locks+0xc7/0x130
[  462.791221]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  462.796324]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  462.801435]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  462.806018]  ? trace_hardirqs_on+0xbd/0x310
[  462.810336]  ? kasan_check_read+0x11/0x20
[  462.814481]  ? ___ratelimit+0x3b4/0x672
[  462.818462]  ? trace_hardirqs_off_caller+0x310/0x310
[  462.823567]  ? trace_hardirqs_on+0x310/0x310
[  462.827976]  ? lock_downgrade+0x900/0x900
[  462.832124]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  462.837227]  ? ___ratelimit+0x3b9/0x672
[  462.841199]  ? idr_get_free+0xf70/0xf70
[  462.845173]  ? find_held_lock+0x36/0x1c0
[  462.849238]  oom_kill_process.cold.27+0x10/0x903
[  462.853994]  ? zap_class+0x640/0x640
[  462.857707]  ? check_preemption_disabled+0x48/0x280
[  462.862723]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  462.867650]  ? kasan_check_read+0x11/0x20
[  462.871797]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.877080]  ? oom_evaluate_task+0x540/0x540
[  462.881494]  ? find_held_lock+0x36/0x1c0
[  462.885559]  ? out_of_memory+0x974/0x1430
[  462.889702]  ? lock_downgrade+0x900/0x900
[  462.893845]  ? check_preemption_disabled+0x48/0x280
[  462.898863]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  462.903791]  ? kasan_check_read+0x11/0x20
[  462.907933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.913206]  ? rcu_softirq_qs+0x20/0x20
[  462.917182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.922716]  ? oom_evaluate_task+0x302/0x540
[  462.927123]  out_of_memory+0xa84/0x1430
[  462.931101]  ? oom_killer_disable+0x3a0/0x3a0
[  462.935610]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  462.940541]  ? __ww_mutex_check_waiters+0x160/0x160
[  462.945565]  __alloc_pages_slowpath+0x2354/0x2e10
[  462.950442]  ? warn_alloc+0x120/0x120
[  462.954245]  ? mark_held_locks+0x130/0x130
[  462.958485]  ? find_get_entry+0xaae/0x1120
[  462.962724]  ? filemap_map_pages+0x1a20/0x1a20
[  462.967305]  ? zap_class+0x640/0x640
[  462.971021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.976556]  ? check_preemption_disabled+0x48/0x280
[  462.981568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.987100]  ? should_fail+0x22d/0xd01
[  462.990992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.996093]  ? zap_class+0x640/0x640
[  462.999827]  ? __lock_is_held+0xb5/0x140
[  463.003894]  ? mark_held_locks+0x130/0x130
[  463.008128]  ? lock_release+0xa00/0xa00
[  463.012097]  ? perf_trace_sched_process_exec+0x860/0x860
[  463.017544]  ? xa_load+0x2ba/0x460
[  463.021079]  ? lock_downgrade+0x900/0x900
[  463.025227]  ? __might_sleep+0x95/0x190
[  463.029202]  __alloc_pages_nodemask+0xa80/0xde0
[  463.033876]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  463.038888]  ? __page_cache_alloc+0x191/0x5c0
[  463.043380]  ? xa_load+0x2e1/0x460
[  463.046925]  ? xa_clear_mark+0x40/0x40
[  463.050812]  ? zap_class+0x640/0x640
[  463.054532]  ? zap_class+0x640/0x640
[  463.058238]  ? zap_class+0x640/0x640
[  463.061947]  ? __do_page_cache_readahead+0x663/0x810
[  463.067052]  ? find_held_lock+0x36/0x1c0
[  463.071116]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  463.076657]  alloc_pages_current+0x173/0x350
[  463.081068]  __page_cache_alloc+0x38c/0x5c0
[  463.085387]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.090317]  ? kasan_check_read+0x11/0x20
[  463.094468]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.099746]  ? generic_perform_write+0x6a0/0x6a0
[  463.104509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.110143]  ? check_preemption_disabled+0x48/0x280
[  463.115166]  filemap_fault+0x1595/0x25f0
[  463.119238]  ? __lock_page_or_retry+0xa00/0xa00
[  463.123908]  ? mark_held_locks+0x130/0x130
[  463.128150]  ? filemap_map_pages+0xd6b/0x1a20
[  463.132644]  ? lock_downgrade+0x900/0x900
[  463.136792]  ? check_preemption_disabled+0x48/0x280
[  463.141808]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.146744]  ? kasan_check_read+0x11/0x20
[  463.150908]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.156181]  ? rcu_softirq_qs+0x20/0x20
[  463.160179]  ? filemap_map_pages+0xd92/0x1a20
[  463.164678]  ? print_usage_bug+0xc0/0xc0
[  463.168743]  ? find_get_entries_tag+0x1400/0x1400
[  463.173584]  ? __kasan_slab_free+0x102/0x150
[  463.177991]  ? kasan_slab_free+0xe/0x10
[  463.181961]  ? kmem_cache_free+0x83/0x290
[  463.186110]  ? __sigqueue_free.part.29+0x74/0x90
[  463.190884]  ? lock_acquire+0x1ed/0x520
[  463.194854]  ? ext4_filemap_fault+0x7a/0xad
[  463.199181]  ? lock_release+0xa00/0xa00
[  463.203154]  ? perf_trace_sched_process_exec+0x860/0x860
[  463.208604]  ? print_usage_bug+0xc0/0xc0
[  463.212666]  ? print_usage_bug+0xc0/0xc0
[  463.216737]  ? down_read+0x8d/0x120
[  463.220361]  ? ext4_filemap_fault+0x7a/0xad
[  463.224687]  ? __down_interruptible+0x700/0x700
[  463.229361]  ext4_filemap_fault+0x82/0xad
[  463.233519]  __do_fault+0x100/0x6b0
[  463.237146]  ? pmd_devmap_trans_unstable+0x220/0x220
[  463.242253]  ? mark_held_locks+0x130/0x130
[  463.246489]  ? mark_held_locks+0x130/0x130
[  463.250720]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  463.256255]  ? rcu_pm_notify+0xc0/0xc0
[  463.260145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.265682]  __handle_mm_fault+0x3ea0/0x5be0
[  463.270095]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  463.274931]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.279429]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  463.284009]  ? trace_hardirqs_on+0xbd/0x310
[  463.288324]  ? kasan_check_read+0x11/0x20
[  463.292466]  ? __set_current_blocked+0xdf/0x120
[  463.297134]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.302248]  ? zap_class+0x640/0x640
[  463.305957]  ? zap_class+0x640/0x640
[  463.309674]  ? find_held_lock+0x36/0x1c0
[  463.313745]  ? handle_mm_fault+0x42a/0xc70
[  463.317978]  ? lock_downgrade+0x900/0x900
[  463.322122]  ? check_preemption_disabled+0x48/0x280
[  463.327135]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.332058]  ? kasan_check_read+0x11/0x20
[  463.336204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.341477]  ? rcu_softirq_qs+0x20/0x20
[  463.345452]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.350557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.356091]  ? check_preemption_disabled+0x48/0x280
[  463.361115]  handle_mm_fault+0x54f/0xc70
[  463.365175]  ? __handle_mm_fault+0x5be0/0x5be0
[  463.369761]  ? find_vma+0x34/0x190
[  463.373319]  __do_page_fault+0x5e8/0xe60
[  463.377377]  ? exit_to_usermode_loop+0x1f4/0x380
[  463.382148]  do_page_fault+0xf2/0x7e0
[  463.385950]  ? vmalloc_sync_all+0x30/0x30
[  463.390098]  ? error_entry+0x70/0xd0
[  463.393808]  ? trace_hardirqs_off_caller+0xbb/0x310
[  463.398817]  ? trace_hardirqs_on_caller+0xc0/0x310
[  463.403754]  ? syscall_return_slowpath+0x5e0/0x5e0
[  463.408677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.413517]  ? trace_hardirqs_on_caller+0x310/0x310
[  463.418530]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  463.423980]  ? prepare_exit_to_usermode+0x291/0x3b0
[  463.428998]  ? page_fault+0x8/0x30
[  463.432537]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.437383]  ? page_fault+0x8/0x30
[  463.440942]  page_fault+0x1e/0x30
[  463.444399] RIP: 0033:0x45db60
[  463.447607] Code: Bad RIP value.
[  463.450965] RSP: 002b:000000c420283ab8 EFLAGS: 00010286
[  463.456321] RAX: 0000000000000000 RBX: 000000c420026a80 RCX: 000000000045ddf3
[  463.463584] RDX: 000000c420283ac0 RSI: 000000c420283bf0 RDI: 0000000000000011
[  463.470847] RBP: 000000c42015fe30 R08: 0000000000000000 R09: 0000000000000000
[  463.478113] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42affedb8
[  463.485388] R13: 000000000000001f R14: 0000000000b81d20 R15: ffffffffffffffff
[  463.492679] warn_alloc_show_mem: 1 callbacks suppressed
[  463.492689] CPU: 1 PID: 20312 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  463.492691] Mem-Info:
[  463.492718] active_anon:52805 inactive_anon:249 isolated_anon:0
[  463.492718]  active_file:17 inactive_file:10 isolated_file:0
[  463.492718]  unevictable:0 dirty:0 writeback:0 unstable:0
[  463.492718]  slab_reclaimable:9451 slab_unreclaimable:1451584
[  463.492718]  mapped:40979 shmem:299 pagetables:645 bounce:0
[  463.492718]  free:13758 free_pcp:272 free_cma:0
[  463.498064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  463.506923] Node 0 active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  463.509324] Call Trace:
[  463.542181] 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
[  463.551523]  <IRQ>
[  463.579081] lowmem_reserve[]: 0 2818 6321 6321
[  463.581672]  dump_stack+0x244/0x39d
[  463.607746] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  463.609901]  ? dump_stack_print_info.cold.1+0x20/0x20
[  463.614455] lowmem_reserve[]: 0 0 3503 3503
[  463.618088]  warn_alloc.cold.116+0xb7/0x1bd
[  463.645381] Node 0 Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:211220kB inactive_anon:996kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2580kB bounce:0kB free_pcp:840kB local_pcp:676kB free_cma:0kB
[  463.650563]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  463.654856] lowmem_reserve[]: 0 0 0 0
[  463.659172]  ? lock_downgrade+0x900/0x900
[  463.688302] 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
[  463.693145]  ? trace_hardirqs_off+0xb8/0x310
[  463.696912] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25180kB
[  463.701054]  ? trace_hardirqs_off+0xb8/0x310
[  463.714547] Node 0 Normal: 882*4kB (UME) 384*8kB (UME) 147*16kB (UME) 71*32kB (UME) 9*64kB (M) 3*128kB (M) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB
[  463.718952]  __alloc_pages_slowpath+0x26e8/0x2e10
[  463.734095] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  463.738521]  ? warn_alloc+0x120/0x120
[  463.753902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  463.753910] 326 total pagecache pages
[  463.758741]  ? print_usage_bug+0xc0/0xc0
[  463.767554] 0 pages in swap cache
[  463.771336]  ? warn_alloc+0x120/0x120
[  463.779886] Swap cache stats: add 0, delete 0, find 0/0
[  463.779894] Free swap  = 0kB
[  463.783698]  ? warn_alloc+0x120/0x120
[  463.787741] Total swap = 0kB
[  463.791205]  ? print_usage_bug+0xc0/0xc0
[  463.794984] 1965979 pages RAM
[  463.800335]  ? kvm_clock_read+0x18/0x30
[  463.803339] 0 pages HighMem/MovableOnly
[  463.807134]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  463.810122] 342854 pages reserved
[  463.810129] 0 pages cma reserved
[  463.814178]  ? print_usage_bug+0xc0/0xc0
[  463.817309] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  463.821218]  ? __lock_acquire+0x62f/0x4c20
[  463.825579] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  463.830197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.830215]  ? should_fail+0x22d/0xd01
[  463.833997] syz-fuzzer cpuset=/ mems_allowed=0
[  463.837359]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.837378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.837394]  ? __lock_acquire+0x62f/0x4c20
[  463.891013]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.896129]  ? __lock_acquire+0x62f/0x4c20
[  463.900369]  ? should_fail+0x22d/0xd01
[  463.904250]  ? rcu_irq_exit+0x1a2/0x390
[  463.908232]  ? mark_held_locks+0x130/0x130
[  463.912465]  ? mark_held_locks+0x130/0x130
[  463.916703]  ? mark_held_locks+0xc7/0x130
[  463.920846]  ? smp_apic_timer_interrupt+0x1cb/0x760