nitizer_cov_trace_const_cmp8+0x18/0x20
[  384.065073]  ? __kthread_parkme+0xfb/0x1a0
[  384.069313]  ? process_one_work+0x1c40/0x1c40
[  384.073833]  kthread+0x35a/0x440
[  384.077203]  ? kthread_stop+0x900/0x900
[  384.081187]  ret_from_fork+0x3a/0x50
[  384.084924] warn_alloc_show_mem: 1 callbacks suppressed
[  384.084937] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  384.084939] Mem-Info:
[  384.084975] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  384.084975]  active_file:16 inactive_file:3 isolated_file:0
[  384.084975]  unevictable:0 dirty:0 writeback:0 unstable:0
[  384.084975]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  384.084975]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  384.084975]  free:13690 free_pcp:879 free_cma:0
[  384.090324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.097695] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  384.100097] Call Trace:
[  384.133060] 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
[  384.142417]  <IRQ>
[  384.170247] lowmem_reserve[]: 0 2818 6321 6321
[  384.172837]  dump_stack+0x244/0x39d
[  384.198949] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  384.201096]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.205655] lowmem_reserve[]: 0 0 3503 3503
[  384.209290]  warn_alloc.cold.116+0xb7/0x1bd
[  384.236845] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  384.242038]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.246332] lowmem_reserve[]: 0 0 0 0
[  384.250666]  ? lock_downgrade+0x900/0x900
[  384.279974] 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
[  384.284829]  ? trace_hardirqs_off+0xb8/0x310
[  384.288605] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  384.292751]  ? trace_hardirqs_off+0xb8/0x310
[  384.306252] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  384.310674]  __alloc_pages_slowpath+0x26e8/0x2e10
[  384.325915] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  384.330341]  ? warn_alloc+0x120/0x120
[  384.344260] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  384.349095]  ? warn_alloc+0x120/0x120
[  384.357906] 4380 total pagecache pages
[  384.361721]  ? warn_alloc+0x120/0x120
[  384.370278] 0 pages in swap cache
[  384.374077]  ? print_usage_bug+0xc0/0xc0
[  384.377940] Swap cache stats: add 0, delete 0, find 0/0
[  384.377958] Free swap  = 0kB
[  384.381760]  ? print_usage_bug+0xc0/0xc0
[  384.385190] Total swap = 0kB
[  384.389248]  ? check_usage+0x1aa/0x790
[  384.394590] 1965979 pages RAM
[  384.397609]  ? mark_held_locks+0x130/0x130
[  384.401650] 0 pages HighMem/MovableOnly
[  384.404673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.408529] 342854 pages reserved
[  384.408538] 0 pages cma reserved
[  384.411641]  ? should_fail+0x22d/0xd01
[  384.415928] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.419824]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  384.419840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.419858]  ? __lock_acquire+0x62f/0x4c20
[  384.425444] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.428832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.432179] kworker/0:2 cpuset=/ mems_allowed=0
[  384.436063]  ? should_fail+0x22d/0xd01
[  384.481639]  ? mark_held_locks+0x130/0x130
[  384.485878]  ? mark_held_locks+0x130/0x130
[  384.490119]  ? print_usage_bug+0xc0/0xc0
[  384.494185]  ? find_held_lock+0x36/0x1c0
[  384.498253]  ? zap_class+0x640/0x640
[  384.501985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.507529]  ? check_preemption_disabled+0x48/0x280
[  384.512561]  ? __lock_is_held+0xb5/0x140
[  384.516631]  __alloc_pages_nodemask+0xa80/0xde0
[  384.521303]  ? zap_class+0x640/0x640
[  384.525025]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.530054]  ? find_held_lock+0x36/0x1c0
[  384.534129]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.538801]  ? lock_downgrade+0x900/0x900
[  384.542967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.548512]  cache_grow_begin+0xa5/0x8c0
[  384.552576]  ? do_raw_spin_unlock+0xa7/0x330
[  384.557000]  fallback_alloc+0x204/0x2e0
[  384.560990]  ____cache_alloc_node+0x1c7/0x1e0
[  384.565491]  kmem_cache_alloc_node+0xe3/0x730
[  384.569986]  ? mark_held_locks+0xc7/0x130
[  384.574146]  __alloc_skb+0x119/0x770
[  384.577870]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.582291]  ? do_raw_spin_trylock+0x270/0x270
[  384.586876]  ? kmem_cache_alloc_trace+0x353/0x750
[  384.591741]  ? queue_work_on+0x12c/0x1e0
[  384.595814]  ? switchdev_port_obj_del+0xdc/0x440
[  384.600575]  ? switchdev_trans_item_enqueue+0x260/0x260
[  384.605959]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  384.610997]  __br_mdb_notify+0x4ff/0x15d0
[  384.615158]  ? __br_mdb_add+0x7f0/0x7f0
[  384.619157]  ? zap_class+0x640/0x640
[  384.622890]  ? br_multicast_group_expired+0x96/0x610
[  384.627995]  ? lock_downgrade+0x900/0x900
[  384.632165]  br_mdb_notify+0x310/0x410
[  384.636055]  ? br_mdb_dump+0x27b0/0x27b0
[  384.640124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.645671]  br_multicast_group_expired+0x1bc/0x610
[  384.650698]  ? br_mdb_free+0x80/0x80
[  384.654445]  call_timer_fn+0x272/0x920
[  384.658335]  ? br_mdb_free+0x80/0x80
[  384.662054]  ? process_timeout+0x40/0x40
[  384.666124]  ? __run_timers+0x7da/0xc70
[  384.670131]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.674640]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.679171]  ? br_mdb_free+0x80/0x80
[  384.682922]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.687523]  ? trace_hardirqs_on+0xbd/0x310
[  384.691852]  ? kasan_check_read+0x11/0x20
[  384.696006]  ? __run_timers+0x7da/0xc70
[  384.700013]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.705136]  ? br_mdb_free+0x80/0x80
[  384.708857]  ? br_mdb_free+0x80/0x80
[  384.712577]  __run_timers+0x7e5/0xc70
[  384.716393]  ? timer_fixup_init+0x70/0x70
[  384.720559]  ? lock_acquire+0x1ed/0x520
[  384.724540]  ? zap_class+0x640/0x640
[  384.728260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.733806]  ? kasan_check_read+0x11/0x20
[  384.737962]  ? do_raw_spin_lock+0x14f/0x350
[  384.742299]  ? find_held_lock+0x36/0x1c0
[  384.746368]  ? zap_class+0x640/0x640
[  384.750093]  ? pvclock_read_flags+0x160/0x160
[  384.754597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.760143]  ? check_preemption_disabled+0x48/0x280
[  384.765173]  ? __lock_is_held+0xb5/0x140
[  384.769241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.774787]  ? check_preemption_disabled+0x48/0x280
[  384.779810]  run_timer_softirq+0x52/0xb0
[  384.783874]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.788901]  __do_softirq+0x308/0xb7e
[  384.792719]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  384.797224]  ? lock_downgrade+0x900/0x900
[  384.801382]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.806510]  ? pvclock_read_flags+0x160/0x160
[  384.811014]  ? lapic_next_event+0x5a/0x90
[  384.815182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.820734]  ? kvm_clock_read+0x18/0x30
[  384.824728]  ? kvm_sched_clock_read+0x9/0x20
[  384.829140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.834721]  ? check_preemption_disabled+0x48/0x280
[  384.839755]  irq_exit+0x17f/0x1c0
[  384.843230]  smp_apic_timer_interrupt+0x1cb/0x760
[  384.848077]  ? smp_reschedule_interrupt+0x109/0x650
[  384.853095]  ? smp_call_function_single_interrupt+0x650/0x650
[  384.858997]  ? interrupt_entry+0xb5/0xc0
[  384.863068]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.868089]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.873112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.877969]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.882988]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.888010]  ? task_prio+0x50/0x50
[  384.891580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.897126]  ? check_preemption_disabled+0x48/0x280
[  384.902327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.907183]  apic_timer_interrupt+0xf/0x20
[  384.911413]  </IRQ>
[  384.913654] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  384.918586] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  384.937485] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  384.945199] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  384.952470] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  384.959741] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  384.967019] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  384.974293] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  384.981636]  skb_clone+0x1bb/0x500
[  384.985193]  ? finish_task_switch+0x1b4/0x910
[  384.989721]  ? skb_split+0x11e0/0x11e0
[  384.993620]  ? preempt_notifier_register+0x200/0x200
[  384.998731]  ? __switch_to_asm+0x34/0x70
[  385.002794]  ? __switch_to_asm+0x34/0x70
[  385.006854]  ? __switch_to_asm+0x40/0x70
[  385.010918]  ? __switch_to_asm+0x34/0x70
[  385.014985]  ? __switch_to_asm+0x40/0x70
[  385.019046]  ? __switch_to_asm+0x34/0x70
[  385.023118]  ? __switch_to_asm+0x40/0x70
[  385.027203]  ? __switch_to_asm+0x34/0x70
[  385.031283]  ? __switch_to_asm+0x34/0x70
[  385.035351]  ? __switch_to_asm+0x40/0x70
[  385.039413]  ? __switch_to_asm+0x34/0x70
[  385.043492]  bpf_clone_redirect+0xb9/0x490
[  385.047742]  ? __schedule+0x8d7/0x21d0
[  385.051641]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  385.056663]  ? __sched_text_start+0x8/0x8
[  385.060824]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.065412]  ? retint_kernel+0x2d/0x2d
[  385.069304]  ? trace_hardirqs_on_caller+0xc0/0x310
[  385.074242]  ? find_held_lock+0x36/0x1c0
[  385.078317]  ? lock_acquire+0x1ed/0x520
[  385.082299]  ? bpf_test_run+0x3cb/0x780
[  385.086284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.091836]  ? check_preemption_disabled+0x48/0x280
[  385.096863]  ? kasan_check_read+0x11/0x20
[  385.101016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.106297]  ? rcu_softirq_qs+0x20/0x20
[  385.110275]  ? preempt_schedule+0x4d/0x60
[  385.114431]  ? ___preempt_schedule+0x16/0x18
[  385.118854]  ? bpf_test_run+0x25d/0x780
[  385.122841]  ? netlink_diag_dump+0x2a0/0x2a0
[  385.127258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.132797]  ? bpf_test_init.isra.10+0x70/0x100
[  385.137478]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  385.142251]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.147096]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  385.152641]  ? fput+0x130/0x1a0
[  385.155925]  ? __bpf_prog_get+0x9b/0x290
[  385.159994]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.164841]  ? bpf_prog_test_run+0x130/0x1a0
[  385.169259]  ? __x64_sys_bpf+0x3d8/0x520
[  385.173322]  ? bpf_prog_get+0x20/0x20
[  385.177148]  ? do_syscall_64+0x1b9/0x820
[  385.181214]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  385.186590]  ? syscall_return_slowpath+0x5e0/0x5e0
[  385.191523]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.196373]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.201397]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  385.206420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.211961]  ? prepare_exit_to_usermode+0x291/0x3b0
[  385.216986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.221843]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  385.227233] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  385.227419] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.234368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.234394] Workqueue: events_power_efficient neigh_periodic_work
[  385.244856] syz-executor1 cpuset=syz1 mems_allowed=0
[  385.254208] Call Trace:
[  385.268089]  <IRQ>
[  385.270253]  dump_stack+0x244/0x39d
[  385.273892]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.279097]  warn_alloc.cold.116+0xb7/0x1bd
[  385.283422]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.288279]  ? lock_downgrade+0x900/0x900
[  385.292440]  ? trace_hardirqs_off+0xb8/0x310
[  385.296858]  ? trace_hardirqs_off+0xb8/0x310
[  385.301278]  __alloc_pages_slowpath+0x26e8/0x2e10
[  385.306155]  ? warn_alloc+0x120/0x120
[  385.309971]  ? print_usage_bug+0xc0/0xc0
[  385.314034]  ? warn_alloc+0x120/0x120
[  385.317843]  ? warn_alloc+0x120/0x120
[  385.321649]  ? print_usage_bug+0xc0/0xc0
[  385.325718]  ? print_usage_bug+0xc0/0xc0
[  385.329789]  ? __lock_acquire+0x62f/0x4c20
[  385.334032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.339570]  ? should_fail+0x22d/0xd01
[  385.343470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.348574]  ? __lock_acquire+0x62f/0x4c20
[  385.352818]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.357919]  ? __lock_acquire+0x62f/0x4c20
[  385.362163]  ? should_fail+0x22d/0xd01
[  385.366054]  ? find_held_lock+0x36/0x1c0
[  385.370129]  ? mark_held_locks+0x130/0x130
[  385.374372]  ? mark_held_locks+0x130/0x130
[  385.378608]  ? zap_class+0x640/0x640
[  385.382326]  ? zap_class+0x640/0x640
[  385.386048]  ? print_usage_bug+0xc0/0xc0
[  385.390113]  ? do_raw_spin_unlock+0xa7/0x330
[  385.394524]  ? zap_class+0x640/0x640
[  385.398241]  ? print_usage_bug+0xc0/0xc0
[  385.402302]  ? wq_watchdog_touch+0x9c/0xfe
[  385.406547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.412092]  ? check_preemption_disabled+0x48/0x280
[  385.417122]  ? __lock_is_held+0xb5/0x140
[  385.421191]  __alloc_pages_nodemask+0xa80/0xde0
[  385.425866]  ? zap_class+0x640/0x640
[  385.429585]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.434613]  ? find_held_lock+0x36/0x1c0
[  385.438689]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.443361]  ? lock_downgrade+0x900/0x900
[  385.447522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.453067]  cache_grow_begin+0xa5/0x8c0
[  385.457133]  ? do_raw_spin_unlock+0xa7/0x330
[  385.461554]  fallback_alloc+0x204/0x2e0
[  385.465535]  ____cache_alloc_node+0x1c7/0x1e0
[  385.470040]  kmem_cache_alloc_node+0xe3/0x730
[  385.474538]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.478789]  __alloc_skb+0x119/0x770
[  385.482504]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.487786]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.492201]  ? lock_downgrade+0x900/0x900
[  385.496364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.501906]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.507364]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.512823]  ? addrconf_rs_timer+0x690/0x690
[  385.517249]  ndisc_alloc_skb+0x144/0x340
[  385.521321]  ndisc_send_rs+0x331/0x6e0
[  385.525227]  addrconf_rs_timer+0x314/0x690
[  385.529491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.533741]  call_timer_fn+0x272/0x920
[  385.537628]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.541868]  ? process_timeout+0x40/0x40
[  385.545941]  ? mark_held_locks+0xc7/0x130
[  385.550099]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.554592]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.559088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.563330]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.567921]  ? trace_hardirqs_on+0xbd/0x310
[  385.572251]  ? kasan_check_read+0x11/0x20
[  385.576399]  ? __run_timers+0x7da/0xc70
[  385.580374]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.585483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.589723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.593964]  __run_timers+0x7e5/0xc70
[  385.597776]  ? timer_fixup_init+0x70/0x70
[  385.601930]  ? lock_downgrade+0x900/0x900
[  385.606124]  ? zap_class+0x640/0x640
[  385.609851]  ? print_usage_bug+0xc0/0xc0
[  385.613917]  ? trace_hardirqs_on+0x310/0x310
[  385.618348]  ? kvm_clock_read+0x18/0x30
[  385.622332]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  385.627353]  ? ktime_get+0x2c1/0x400
[  385.631072]  ? zap_class+0x640/0x640
[  385.634798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.640339]  ? check_preemption_disabled+0x48/0x280
[  385.645373]  ? __lock_is_held+0xb5/0x140
[  385.649872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.655417]  ? check_preemption_disabled+0x48/0x280
[  385.660448]  run_timer_softirq+0x52/0xb0
[  385.664514]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.669535]  __do_softirq+0x308/0xb7e
[  385.673353]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.678456]  ? irq_exit+0xbd/0x1c0
[  385.682017]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  385.687042]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.692928]  ? ret_from_intr+0xb/0x1e
[  385.696755]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.701775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.706641]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.711660]  ? task_prio+0x50/0x50
[  385.715207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.720755]  ? check_preemption_disabled+0x48/0x280
[  385.725780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.730637]  ? neigh_periodic_work+0x6bd/0xc60
[  385.735228]  do_softirq_own_stack+0x2a/0x40
[  385.739547]  </IRQ>
[  385.741790]  do_softirq.part.14+0x126/0x160
[  385.746113]  __local_bh_enable_ip+0x21d/0x260
[  385.750611]  _raw_write_unlock_bh+0x30/0x40
[  385.754936]  neigh_periodic_work+0x6bd/0xc60
[  385.759367]  ? neigh_table_clear+0x390/0x390
[  385.763781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.769324]  ? check_preemption_disabled+0x48/0x280
[  385.774358]  ? __lock_is_held+0xb5/0x140
[  385.778441]  process_one_work+0xc90/0x1c40
[  385.782678]  ? mark_held_locks+0x130/0x130
[  385.786939]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  385.791621]  ? __switch_to_asm+0x40/0x70
[  385.795682]  ? __switch_to_asm+0x40/0x70
[  385.799741]  ? __switch_to_asm+0x34/0x70
[  385.803800]  ? __switch_to_asm+0x40/0x70
[  385.807859]  ? __switch_to_asm+0x34/0x70
[  385.811920]  ? __switch_to_asm+0x40/0x70
[  385.815987]  ? __switch_to_asm+0x34/0x70
[  385.820050]  ? __switch_to_asm+0x40/0x70
[  385.824124]  ? __schedule+0x8d7/0x21d0
[  385.828014]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.833044]  ? lock_downgrade+0x900/0x900
[  385.837198]  ? zap_class+0x640/0x640
[  385.840919]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.845781]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.850382]  ? lock_acquire+0x1ed/0x520
[  385.854361]  ? worker_thread+0x3e0/0x1390
[  385.858520]  ? kasan_check_read+0x11/0x20
[  385.862673]  ? do_raw_spin_lock+0x14f/0x350
[  385.866998]  ? kasan_check_read+0x11/0x20
[  385.871148]  ? rwlock_bug.part.2+0x90/0x90
[  385.875388]  ? trace_hardirqs_on+0x310/0x310
[  385.879811]  worker_thread+0x17f/0x1390
[  385.883784]  ? __switch_to_asm+0x34/0x70
[  385.887860]  ? process_one_work+0x1c40/0x1c40
[  385.892367]  ? zap_class+0x640/0x640
[  385.896084]  ? find_held_lock+0x36/0x1c0
[  385.900177]  ? __kthread_parkme+0xce/0x1a0
[  385.904626]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.909736]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.914847]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.919433]  ? trace_hardirqs_on+0xbd/0x310
[  385.923758]  ? kasan_check_read+0x11/0x20
[  385.927925]  ? __kthread_parkme+0xce/0x1a0
[  385.932174]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.937285]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.942395]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  385.947526]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.953068]  ? __kthread_parkme+0xfb/0x1a0
[  385.957308]  ? process_one_work+0x1c40/0x1c40
[  385.961807]  kthread+0x35a/0x440
[  385.965180]  ? kthread_stop+0x900/0x900
[  385.969166]  ret_from_fork+0x3a/0x50
[  385.972911] warn_alloc_show_mem: 1 callbacks suppressed
[  385.972924] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  385.972926] Mem-Info:
[  385.972966] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  385.972966]  active_file:16 inactive_file:3 isolated_file:0
[  385.972966]  unevictable:0 dirty:0 writeback:0 unstable:0
[  385.972966]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  385.972966]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  385.972966]  free:13690 free_pcp:879 free_cma:0
[  385.978306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.985675] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  385.988083] Call Trace:
[  386.021261] 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
[  386.030633]  <IRQ>
[  386.058467] lowmem_reserve[]: 0 2818 6321 6321
[  386.061079]  dump_stack+0x244/0x39d
[  386.087161] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  386.089325]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.093869] lowmem_reserve[]: 0 0 3503 3503
[  386.097517]  warn_alloc.cold.116+0xb7/0x1bd
[  386.125081] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  386.130294]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.134583] lowmem_reserve[]: 0 0 0 0
[  386.138925]  ? lock_downgrade+0x900/0x900
[  386.168236] 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
[  386.173097]  ? trace_hardirqs_off+0xb8/0x310
[  386.176863] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  386.181013]  ? trace_hardirqs_off+0xb8/0x310
[  386.194520] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  386.198958]  __alloc_pages_slowpath+0x26e8/0x2e10
[  386.214217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  386.218647]  ? warn_alloc+0x120/0x120
[  386.232567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  386.237407]  ? warn_alloc+0x120/0x120
[  386.246231] 4380 total pagecache pages
[  386.250029]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  386.258588] 0 pages in swap cache
[  386.262386]  ? warn_alloc+0x120/0x120
[  386.266255] Swap cache stats: add 0, delete 0, find 0/0
[  386.271271]  ? print_usage_bug+0xc0/0xc0
[  386.274704] Free swap  = 0kB
[  386.278507]  ? print_usage_bug+0xc0/0xc0
[  386.283855] Total swap = 0kB
[  386.287917]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  386.290914] 1965979 pages RAM
[  386.294984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.297976] 0 pages HighMem/MovableOnly
[  386.297985] 342854 pages reserved
[  386.303178]  ? should_fail+0x22d/0xd01
[  386.306265] 0 pages cma reserved
[  386.311802]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.315829] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.319206]  ? __lock_acquire+0x62f/0x4c20
[  386.319224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.319241]  ? should_fail+0x22d/0xd01
[  386.323186] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.326489]  ? mark_held_locks+0x130/0x130
[  386.331568] kworker/0:2 cpuset=/ mems_allowed=0
[  386.338060]  ? mark_held_locks+0x130/0x130
[  386.374640]  ? print_usage_bug+0xc0/0xc0
[  386.378719]  ? find_held_lock+0x36/0x1c0
[  386.382790]  ? zap_class+0x640/0x640
[  386.386514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.392062]  ? check_preemption_disabled+0x48/0x280
[  386.397091]  ? __lock_is_held+0xb5/0x140
[  386.401163]  __alloc_pages_nodemask+0xa80/0xde0
[  386.405838]  ? zap_class+0x640/0x640
[  386.409561]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.414598]  ? find_held_lock+0x36/0x1c0
[  386.418676]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.423353]  ? lock_downgrade+0x900/0x900
[  386.427530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.433077]  cache_grow_begin+0xa5/0x8c0
[  386.437152]  ? do_raw_spin_unlock+0xa7/0x330
[  386.441572]  fallback_alloc+0x204/0x2e0
[  386.445558]  ____cache_alloc_node+0x1c7/0x1e0
[  386.450065]  kmem_cache_alloc_node+0xe3/0x730
[  386.454566]  ? mark_held_locks+0xc7/0x130
[  386.458747]  __alloc_skb+0x119/0x770
[  386.462467]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.466880]  ? do_raw_spin_trylock+0x270/0x270
[  386.471532]  ? kmem_cache_alloc_trace+0x353/0x750
[  386.476383]  ? queue_work_on+0x12c/0x1e0
[  386.480459]  ? switchdev_port_obj_del+0xdc/0x440
[  386.485220]  ? switchdev_trans_item_enqueue+0x260/0x260
[  386.490600]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  386.495632]  __br_mdb_notify+0x4ff/0x15d0
[  386.499794]  ? __br_mdb_add+0x7f0/0x7f0
[  386.503803]  ? zap_class+0x640/0x640
[  386.507528]  ? br_multicast_group_expired+0x96/0x610
[  386.512639]  ? lock_downgrade+0x900/0x900
[  386.516800]  br_mdb_notify+0x310/0x410
[  386.520697]  ? br_mdb_dump+0x27b0/0x27b0
[  386.524779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.530345]  br_multicast_group_expired+0x1bc/0x610
[  386.535374]  ? br_mdb_free+0x80/0x80
[  386.539102]  call_timer_fn+0x272/0x920
[  386.542998]  ? br_mdb_free+0x80/0x80
[  386.546760]  ? process_timeout+0x40/0x40
[  386.550846]  ? __run_timers+0x7da/0xc70
[  386.554826]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.559321]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.563817]  ? br_mdb_free+0x80/0x80
[  386.567536]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.572125]  ? trace_hardirqs_on+0xbd/0x310
[  386.576448]  ? kasan_check_read+0x11/0x20
[  386.580598]  ? __run_timers+0x7da/0xc70
[  386.584574]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.589684]  ? br_mdb_free+0x80/0x80
[  386.593409]  ? br_mdb_free+0x80/0x80
[  386.597123]  __run_timers+0x7e5/0xc70
[  386.600937]  ? timer_fixup_init+0x70/0x70
[  386.605110]  ? lock_acquire+0x1ed/0x520
[  386.609087]  ? zap_class+0x640/0x640
[  386.612804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.618356]  ? kasan_check_read+0x11/0x20
[  386.622509]  ? do_raw_spin_lock+0x14f/0x350
[  386.626846]  ? find_held_lock+0x36/0x1c0
[  386.630919]  ? zap_class+0x640/0x640
[  386.634650]  ? pvclock_read_flags+0x160/0x160
[  386.639172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.644727]  ? check_preemption_disabled+0x48/0x280
[  386.649760]  ? __lock_is_held+0xb5/0x140
[  386.653828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.659378]  ? check_preemption_disabled+0x48/0x280
[  386.664405]  run_timer_softirq+0x52/0xb0
[  386.668471]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.673498]  __do_softirq+0x308/0xb7e
[  386.677311]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  386.681813]  ? lock_downgrade+0x900/0x900
[  386.685975]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.691090]  ? pvclock_read_flags+0x160/0x160
[  386.695594]  ? lapic_next_event+0x5a/0x90
[  386.699751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.705296]  ? kvm_clock_read+0x18/0x30
[  386.709273]  ? kvm_sched_clock_read+0x9/0x20
[  386.713689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.719238]  ? check_preemption_disabled+0x48/0x280
[  386.724273]  irq_exit+0x17f/0x1c0
[  386.727741]  smp_apic_timer_interrupt+0x1cb/0x760
[  386.732592]  ? smp_reschedule_interrupt+0x109/0x650
[  386.737622]  ? smp_call_function_single_interrupt+0x650/0x650
[  386.743516]  ? interrupt_entry+0xb5/0xc0
[  386.747588]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.752608]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.757637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.762486]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.767504]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.772532]  ? task_prio+0x50/0x50
[  386.776081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.781637]  ? check_preemption_disabled+0x48/0x280
[  386.786681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.791544]  apic_timer_interrupt+0xf/0x20
[  386.795779]  </IRQ>
[  386.798027] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  386.802972] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  386.821889] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  386.829610] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  386.836879] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  386.844155] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  386.851435] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  386.858718] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  386.866051]  skb_clone+0x1bb/0x500
[  386.869605]  ? finish_task_switch+0x1b4/0x910
[  386.874104]  ? skb_split+0x11e0/0x11e0
[  386.877996]  ? preempt_notifier_register+0x200/0x200
[  386.883107]  ? __switch_to_asm+0x34/0x70
[  386.887175]  ? __switch_to_asm+0x34/0x70
[  386.891238]  ? __switch_to_asm+0x40/0x70
[  386.895301]  ? __switch_to_asm+0x34/0x70
[  386.899363]  ? __switch_to_asm+0x40/0x70
[  386.903636]  ? __switch_to_asm+0x34/0x70
[  386.907702]  ? __switch_to_asm+0x40/0x70
[  386.911772]  ? __switch_to_asm+0x34/0x70
[  386.915839]  ? __switch_to_asm+0x34/0x70
[  386.919903]  ? __switch_to_asm+0x40/0x70
[  386.923967]  ? __switch_to_asm+0x34/0x70
[  386.928040]  bpf_clone_redirect+0xb9/0x490
[  386.932286]  ? __schedule+0x8d7/0x21d0
[  386.936357]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  386.941380]  ? __sched_text_start+0x8/0x8
[  386.945535]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.950120]  ? retint_kernel+0x2d/0x2d
[  386.954015]  ? trace_hardirqs_on_caller+0xc0/0x310
[  386.958959]  ? find_held_lock+0x36/0x1c0
[  386.963035]  ? lock_acquire+0x1ed/0x520
[  386.967017]  ? bpf_test_run+0x3cb/0x780
[  386.971002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.976549]  ? check_preemption_disabled+0x48/0x280
[  386.981577]  ? kasan_check_read+0x11/0x20
[  386.985735]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.991018]  ? rcu_softirq_qs+0x20/0x20
[  386.994999]  ? preempt_schedule+0x4d/0x60
[  386.999154]  ? ___preempt_schedule+0x16/0x18
[  387.003575]  ? bpf_test_run+0x25d/0x780
[  387.007563]  ? netlink_diag_dump+0x2a0/0x2a0
[  387.011983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.017524]  ? bpf_test_init.isra.10+0x70/0x100
[  387.022205]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  387.026984]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  387.031830]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  387.037371]  ? fput+0x130/0x1a0
[  387.040654]  ? __bpf_prog_get+0x9b/0x290
[  387.044731]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  387.049574]  ? bpf_prog_test_run+0x130/0x1a0
[  387.053999]  ? __x64_sys_bpf+0x3d8/0x520
[  387.058081]  ? bpf_prog_get+0x20/0x20
[  387.061907]  ? do_syscall_64+0x1b9/0x820
[  387.065979]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  387.071350]  ? syscall_return_slowpath+0x5e0/0x5e0
[  387.076280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.081135]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.086163]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  387.091183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.096729]  ? prepare_exit_to_usermode+0x291/0x3b0
[  387.101755]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.106608]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  387.112001] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  387.112191] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.119115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.119138] Workqueue: events_power_efficient neigh_periodic_work
[  387.129602] syz-executor1 cpuset=syz1 mems_allowed=0
[  387.138959] Call Trace:
[  387.152849]  <IRQ>
[  387.155007]  dump_stack+0x244/0x39d
[  387.158643]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.163849]  warn_alloc.cold.116+0xb7/0x1bd
[  387.168179]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.173037]  ? lock_downgrade+0x900/0x900
[  387.177197]  ? trace_hardirqs_off+0xb8/0x310
[  387.181619]  ? trace_hardirqs_off+0xb8/0x310
[  387.186042]  __alloc_pages_slowpath+0x26e8/0x2e10
[  387.190916]  ? warn_alloc+0x120/0x120
[  387.194720]  ? print_usage_bug+0xc0/0xc0
[  387.198812]  ? warn_alloc+0x120/0x120
[  387.202672]  ? warn_alloc+0x120/0x120
[  387.206486]  ? print_usage_bug+0xc0/0xc0
[  387.210557]  ? print_usage_bug+0xc0/0xc0
[  387.214628]  ? __lock_acquire+0x62f/0x4c20
[  387.218874]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.224414]  ? should_fail+0x22d/0xd01
[  387.228313]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.233420]  ? __lock_acquire+0x62f/0x4c20
[  387.237660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.242764]  ? __lock_acquire+0x62f/0x4c20
[  387.246999]  ? should_fail+0x22d/0xd01
[  387.250889]  ? find_held_lock+0x36/0x1c0
[  387.254963]  ? mark_held_locks+0x130/0x130
[  387.259207]  ? mark_held_locks+0x130/0x130
[  387.263447]  ? zap_class+0x640/0x640
[  387.267162]  ? zap_class+0x640/0x640
[  387.270882]  ? print_usage_bug+0xc0/0xc0
[  387.274942]  ? do_raw_spin_unlock+0xa7/0x330
[  387.279353]  ? zap_class+0x640/0x640
[  387.283072]  ? print_usage_bug+0xc0/0xc0
[  387.287132]  ? wq_watchdog_touch+0x9c/0xfe
[  387.291371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.296969]  ? check_preemption_disabled+0x48/0x280
[  387.302003]  ? __lock_is_held+0xb5/0x140
[  387.306077]  __alloc_pages_nodemask+0xa80/0xde0
[  387.310748]  ? zap_class+0x640/0x640
[  387.314468]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.319502]  ? find_held_lock+0x36/0x1c0
[  387.323579]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.328252]  ? lock_downgrade+0x900/0x900
[  387.332409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.337954]  cache_grow_begin+0xa5/0x8c0
[  387.342020]  ? do_raw_spin_unlock+0xa7/0x330
[  387.346443]  fallback_alloc+0x204/0x2e0
[  387.350425]  ____cache_alloc_node+0x1c7/0x1e0
[  387.354930]  kmem_cache_alloc_node+0xe3/0x730
[  387.359442]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.363689]  __alloc_skb+0x119/0x770
[  387.367405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.372687]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.377101]  ? lock_downgrade+0x900/0x900
[  387.381262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.386806]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.392265]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.397719]  ? addrconf_rs_timer+0x690/0x690
[  387.402145]  ndisc_alloc_skb+0x144/0x340
[  387.406228]  ndisc_send_rs+0x331/0x6e0
[  387.410124]  addrconf_rs_timer+0x314/0x690
[  387.414366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.418616]  call_timer_fn+0x272/0x920
[  387.422506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.426742]  ? process_timeout+0x40/0x40
[  387.430821]  ? mark_held_locks+0xc7/0x130
[  387.434976]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.439472]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.443970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.448215]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.452807]  ? trace_hardirqs_on+0xbd/0x310
[  387.457132]  ? kasan_check_read+0x11/0x20
[  387.461280]  ? __run_timers+0x7da/0xc70
[  387.465263]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.470372]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.474619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.478854]  __run_timers+0x7e5/0xc70
[  387.482667]  ? timer_fixup_init+0x70/0x70
[  387.486819]  ? lock_downgrade+0x900/0x900
[  387.490969]  ? zap_class+0x640/0x640
[  387.494695]  ? print_usage_bug+0xc0/0xc0
[  387.498762]  ? trace_hardirqs_on+0x310/0x310
[  387.503183]  ? kvm_clock_read+0x18/0x30
[  387.507163]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  387.512179]  ? ktime_get+0x2c1/0x400
[  387.515900]  ? zap_class+0x640/0x640
[  387.519623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.525164]  ? check_preemption_disabled+0x48/0x280
[  387.530194]  ? __lock_is_held+0xb5/0x140
[  387.534267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.539806]  ? check_preemption_disabled+0x48/0x280
[  387.544837]  run_timer_softirq+0x52/0xb0
[  387.548901]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.553926]  __do_softirq+0x308/0xb7e
[  387.557741]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.562850]  ? irq_exit+0xbd/0x1c0
[  387.566395]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  387.571418]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.577306]  ? ret_from_intr+0xb/0x1e
[  387.581116]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.586134]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.590981]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.596002]  ? task_prio+0x50/0x50
[  387.599549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.605091]  ? check_preemption_disabled+0x48/0x280
[  387.610118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.614970]  ? neigh_periodic_work+0x6bd/0xc60
[  387.619557]  do_softirq_own_stack+0x2a/0x40
[  387.623877]  </IRQ>
[  387.626118]  do_softirq.part.14+0x126/0x160
[  387.630438]  __local_bh_enable_ip+0x21d/0x260
[  387.634938]  _raw_write_unlock_bh+0x30/0x40
[  387.639266]  neigh_periodic_work+0x6bd/0xc60
[  387.643710]  ? neigh_table_clear+0x390/0x390
[  387.648125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.653664]  ? check_preemption_disabled+0x48/0x280
[  387.658692]  ? __lock_is_held+0xb5/0x140
[  387.662770]  process_one_work+0xc90/0x1c40
[  387.667010]  ? mark_held_locks+0x130/0x130
[  387.671264]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  387.675934]  ? __switch_to_asm+0x40/0x70
[  387.679998]  ? __switch_to_asm+0x40/0x70
[  387.684059]  ? __switch_to_asm+0x34/0x70
[  387.688118]  ? __switch_to_asm+0x40/0x70
[  387.692179]  ? __switch_to_asm+0x34/0x70
[  387.696245]  ? __switch_to_asm+0x40/0x70
[  387.700307]  ? __switch_to_asm+0x34/0x70
[  387.704366]  ? __switch_to_asm+0x40/0x70
[  387.708435]  ? __schedule+0x8d7/0x21d0
[  387.712332]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.717363]  ? lock_downgrade+0x900/0x900
[  387.721551]  ? zap_class+0x640/0x640
[  387.725286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.730146]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.734747]  ? lock_acquire+0x1ed/0x520
[  387.738722]  ? worker_thread+0x3e0/0x1390
[  387.742884]  ? kasan_check_read+0x11/0x20
[  387.747033]  ? do_raw_spin_lock+0x14f/0x350
[  387.751357]  ? kasan_check_read+0x11/0x20
[  387.755506]  ? rwlock_bug.part.2+0x90/0x90
[  387.759743]  ? trace_hardirqs_on+0x310/0x310
[  387.764166]  worker_thread+0x17f/0x1390
[  387.768145]  ? __switch_to_asm+0x34/0x70
[  387.772227]  ? process_one_work+0x1c40/0x1c40
[  387.776735]  ? zap_class+0x640/0x640
[  387.780452]  ? find_held_lock+0x36/0x1c0
[  387.784543]  ? __kthread_parkme+0xce/0x1a0
[  387.788806]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  387.793913]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  387.799019]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.803611]  ? trace_hardirqs_on+0xbd/0x310
[  387.807934]  ? kasan_check_read+0x11/0x20
[  387.812098]  ? __kthread_parkme+0xce/0x1a0
[  387.816334]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.821439]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.826553]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  387.831657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.837200]  ? __kthread_parkme+0xfb/0x1a0
[  387.841449]  ? process_one_work+0x1c40/0x1c40
[  387.845945]  kthread+0x35a/0x440
[  387.849320]  ? kthread_stop+0x900/0x900
[  387.853302]  ret_from_fork+0x3a/0x50
[  387.857034] warn_alloc_show_mem: 1 callbacks suppressed
[  387.857046] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  387.857048] Mem-Info:
[  387.857079] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  387.857079]  active_file:16 inactive_file:3 isolated_file:0
[  387.857079]  unevictable:0 dirty:0 writeback:0 unstable:0
[  387.857079]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  387.857079]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  387.857079]  free:13690 free_pcp:879 free_cma:0
[  387.862421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.862430] Call Trace:
[  387.869801] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  387.872204]  <IRQ>
[  387.905170] 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
[  387.914531]  dump_stack+0x244/0x39d
[  387.917095] lowmem_reserve[]: 0 2818 6321 6321
[  387.944969]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.947095] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  387.973229]  warn_alloc.cold.116+0xb7/0x1bd
[  387.976885] lowmem_reserve[]: 0 0 3503 3503
[  387.981473]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.986643] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  388.014746]  ? lock_downgrade+0x900/0x900
[  388.019050] lowmem_reserve[]: 0 0 0 0
[  388.023399]  ? trace_hardirqs_off+0xb8/0x310
[  388.028219] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  388.057547]  ? trace_hardirqs_off+0xb8/0x310
[  388.061678] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  388.065501]  __alloc_pages_slowpath+0x26e8/0x2e10
[  388.069874] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  388.083433]  ? warn_alloc+0x120/0x120
[  388.087801] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  388.103061]  ? warn_alloc+0x120/0x120
[  388.107891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  388.121844]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.125625] 4380 total pagecache pages
[  388.134456]  ? warn_alloc+0x120/0x120
[  388.138247] 0 pages in swap cache
[  388.146818]  ? print_usage_bug+0xc0/0xc0
[  388.151813] Swap cache stats: add 0, delete 0, find 0/0
[  388.151823] Free swap  = 0kB
[  388.155706]  ? print_usage_bug+0xc0/0xc0
[  388.159489] Total swap = 0kB
[  388.162946]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.166992] 1965979 pages RAM
[  388.172363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.175364] 0 pages HighMem/MovableOnly
[  388.179427]  ? should_fail+0x22d/0xd01
[  388.182422] 342854 pages reserved
[  388.187607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.190692] 0 pages cma reserved
[  388.196228]  ? __lock_acquire+0x62f/0x4c20
[  388.196247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.200290] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.204088]  ? should_fail+0x22d/0xd01
[  388.207649] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.212633]  ? mark_held_locks+0x130/0x130
[  388.215997] kworker/0:2 cpuset=/ mems_allowed=0
[  388.220243]  ? mark_held_locks+0x130/0x130
[  388.259195]  ? print_usage_bug+0xc0/0xc0
[  388.263266]  ? find_held_lock+0x36/0x1c0
[  388.267332]  ? zap_class+0x640/0x640
[  388.271061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.276604]  ? check_preemption_disabled+0x48/0x280
[  388.281637]  ? __lock_is_held+0xb5/0x140
[  388.285719]  __alloc_pages_nodemask+0xa80/0xde0
[  388.290394]  ? zap_class+0x640/0x640
[  388.294114]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.299144]  ? find_held_lock+0x36/0x1c0
[  388.303219]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.307894]  ? lock_downgrade+0x900/0x900
[  388.312053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.317600]  cache_grow_begin+0xa5/0x8c0
[  388.321665]  ? do_raw_spin_unlock+0xa7/0x330
[  388.326087]  fallback_alloc+0x204/0x2e0
[  388.330074]  ____cache_alloc_node+0x1c7/0x1e0
[  388.334578]  kmem_cache_alloc_node+0xe3/0x730
[  388.339076]  ? mark_held_locks+0xc7/0x130
[  388.343237]  __alloc_skb+0x119/0x770
[  388.346978]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.351390]  ? do_raw_spin_trylock+0x270/0x270
[  388.355999]  ? kmem_cache_alloc_trace+0x353/0x750
[  388.360851]  ? queue_work_on+0x12c/0x1e0
[  388.364925]  ? switchdev_port_obj_del+0xdc/0x440
[  388.369696]  ? switchdev_trans_item_enqueue+0x260/0x260
[  388.375077]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  388.380104]  __br_mdb_notify+0x4ff/0x15d0
[  388.384268]  ? __br_mdb_add+0x7f0/0x7f0
[  388.388259]  ? zap_class+0x640/0x640
[  388.391991]  ? br_multicast_group_expired+0x96/0x610
[  388.397099]  ? lock_downgrade+0x900/0x900
[  388.401255]  br_mdb_notify+0x310/0x410
[  388.405147]  ? br_mdb_dump+0x27b0/0x27b0
[  388.409217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.414770]  br_multicast_group_expired+0x1bc/0x610
[  388.419793]  ? br_mdb_free+0x80/0x80
[  388.423524]  call_timer_fn+0x272/0x920
[  388.427417]  ? br_mdb_free+0x80/0x80
[  388.431137]  ? process_timeout+0x40/0x40
[  388.435214]  ? __run_timers+0x7da/0xc70
[  388.439193]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.443691]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.448190]  ? br_mdb_free+0x80/0x80
[  388.451909]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.456494]  ? trace_hardirqs_on+0xbd/0x310
[  388.460830]  ? kasan_check_read+0x11/0x20
[  388.464981]  ? __run_timers+0x7da/0xc70
[  388.468964]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.474079]  ? br_mdb_free+0x80/0x80
[  388.477800]  ? br_mdb_free+0x80/0x80
[  388.481514]  __run_timers+0x7e5/0xc70
[  388.485330]  ? timer_fixup_init+0x70/0x70
[  388.489484]  ? lock_acquire+0x1ed/0x520
[  388.493465]  ? zap_class+0x640/0x640
[  388.497186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.502734]  ? kasan_check_read+0x11/0x20
[  388.506905]  ? do_raw_spin_lock+0x14f/0x350
[  388.511239]  ? find_held_lock+0x36/0x1c0
[  388.515309]  ? zap_class+0x640/0x640
[  388.519034]  ? pvclock_read_flags+0x160/0x160
[  388.523532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.529078]  ? check_preemption_disabled+0x48/0x280
[  388.534108]  ? __lock_is_held+0xb5/0x140
[  388.538172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.543758]  ? check_preemption_disabled+0x48/0x280
[  388.548797]  run_timer_softirq+0x52/0xb0
[  388.552864]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.557885]  __do_softirq+0x308/0xb7e
[  388.561695]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  388.566197]  ? lock_downgrade+0x900/0x900
[  388.570352]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.575466]  ? pvclock_read_flags+0x160/0x160
[  388.579975]  ? lapic_next_event+0x5a/0x90
[  388.584129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.589672]  ? kvm_clock_read+0x18/0x30
[  388.593650]  ? kvm_sched_clock_read+0x9/0x20
[  388.598068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.603611]  ? check_preemption_disabled+0x48/0x280
[  388.608642]  irq_exit+0x17f/0x1c0
[  388.612101]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.616944]  ? smp_reschedule_interrupt+0x109/0x650
[  388.621982]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.627867]  ? interrupt_entry+0xb5/0xc0
[  388.631933]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.636965]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.641989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.646837]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.651853]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.656875]  ? task_prio+0x50/0x50
[  388.660419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.665970]  ? check_preemption_disabled+0x48/0x280
[  388.670995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.675852]  apic_timer_interrupt+0xf/0x20
[  388.680083]  </IRQ>
[  388.682335] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  388.687272] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  388.706171] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  388.713879] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  388.721147] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  388.728416] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  388.735685] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  388.742967] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  388.750287]  skb_clone+0x1bb/0x500
[  388.753850]  ? finish_task_switch+0x1b4/0x910
[  388.758354]  ? skb_split+0x11e0/0x11e0
[  388.762252]  ? preempt_notifier_register+0x200/0x200
[  388.767360]  ? __switch_to_asm+0x34/0x70
[  388.771427]  ? __switch_to_asm+0x34/0x70
[  388.775488]  ? __switch_to_asm+0x40/0x70
[  388.779550]  ? __switch_to_asm+0x34/0x70
[  388.783622]  ? __switch_to_asm+0x40/0x70
[  388.787683]  ? __switch_to_asm+0x34/0x70
[  388.791751]  ? __switch_to_asm+0x40/0x70
[  388.795810]  ? __switch_to_asm+0x34/0x70
[  388.799873]  ? __switch_to_asm+0x34/0x70
[  388.803936]  ? __switch_to_asm+0x40/0x70
[  388.808012]  ? __switch_to_asm+0x34/0x70
[  388.812110]  bpf_clone_redirect+0xb9/0x490
[  388.816350]  ? __schedule+0x8d7/0x21d0
[  388.820244]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  388.825264]  ? __sched_text_start+0x8/0x8
[  388.829421]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.834006]  ? retint_kernel+0x2d/0x2d
[  388.837902]  ? trace_hardirqs_on_caller+0xc0/0x310
[  388.842842]  ? find_held_lock+0x36/0x1c0
[  388.846917]  ? lock_acquire+0x1ed/0x520
[  388.850899]  ? bpf_test_run+0x3cb/0x780
[  388.854877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.860442]  ? check_preemption_disabled+0x48/0x280
[  388.865469]  ? kasan_check_read+0x11/0x20
[  388.869620]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.874900]  ? rcu_softirq_qs+0x20/0x20
[  388.878884]  ? preempt_schedule+0x4d/0x60
[  388.883034]  ? ___preempt_schedule+0x16/0x18
[  388.887454]  ? bpf_test_run+0x25d/0x780
[  388.891442]  ? netlink_diag_dump+0x2a0/0x2a0
[  388.895858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.901397]  ? bpf_test_init.isra.10+0x70/0x100
[  388.906249]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  388.911030]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  388.915876]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  388.921420]  ? fput+0x130/0x1a0
[  388.924703]  ? __bpf_prog_get+0x9b/0x290
[  388.928778]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  388.933621]  ? bpf_prog_test_run+0x130/0x1a0
[  388.938040]  ? __x64_sys_bpf+0x3d8/0x520
[  388.942119]  ? bpf_prog_get+0x20/0x20
[  388.945945]  ? do_syscall_64+0x1b9/0x820
[  388.950011]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  388.955381]  ? syscall_return_slowpath+0x5e0/0x5e0
[  388.960317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.965165]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.970187]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  388.975210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.980755]  ? prepare_exit_to_usermode+0x291/0x3b0
[  388.985782]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.990639]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  388.996027] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  388.996214] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.003142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.013615] syz-executor1 cpuset=syz1 mems_allowed=0
[  389.022983] Workqueue: events_power_efficient neigh_periodic_work
[  389.034283] Call Trace:
[  389.036862]  <IRQ>
[  389.039027]  dump_stack+0x244/0x39d
[  389.042663]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.047872]  warn_alloc.cold.116+0xb7/0x1bd
[  389.052199]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.057058]  ? lock_downgrade+0x900/0x900
[  389.061226]  ? trace_hardirqs_off+0xb8/0x310
[  389.065644]  ? trace_hardirqs_off+0xb8/0x310
[  389.070070]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.074944]  ? warn_alloc+0x120/0x120
[  389.078760]  ? warn_alloc+0x120/0x120
[  389.082571]  ? warn_alloc+0x120/0x120
[  389.086379]  ? print_usage_bug+0xc0/0xc0
[  389.090440]  ? do_raw_spin_unlock+0xa7/0x330
[  389.094943]  ? trace_hardirqs_on+0x310/0x310
[  389.099365]  ? print_usage_bug+0xc0/0xc0
[  389.103426]  ? zap_class+0x640/0x640
[  389.107149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.112695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.118244]  ? should_fail+0x22d/0xd01
[  389.122137]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.127250]  ? __lock_acquire+0x62f/0x4c20
[  389.131492]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.136595]  ? __lock_acquire+0x62f/0x4c20
[  389.140828]  ? should_fail+0x22d/0xd01
[  389.144727]  ? mark_held_locks+0x130/0x130
[  389.148978]  ? mark_held_locks+0x130/0x130
[  389.153225]  ? update_stack_state+0x1a5/0x690
[  389.157727]  ? zap_class+0x640/0x640
[  389.161446]  ? ret_from_fork+0x3a/0x50
[  389.165340]  ? clockevents_program_event+0x158/0x370
[  389.170449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.175993]  ? check_preemption_disabled+0x48/0x280
[  389.181030]  ? __lock_is_held+0xb5/0x140
[  389.185106]  __alloc_pages_nodemask+0xa80/0xde0
[  389.189790]  ? zap_class+0x640/0x640
[  389.193522]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.198554]  ? find_held_lock+0x36/0x1c0
[  389.202634]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.207312]  ? lock_downgrade+0x900/0x900
[  389.211474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.217022]  cache_grow_begin+0xa5/0x8c0
[  389.221087]  ? do_raw_spin_unlock+0xa7/0x330
[  389.225509]  fallback_alloc+0x204/0x2e0
[  389.229496]  ____cache_alloc_node+0x1c7/0x1e0
[  389.234002]  kmem_cache_alloc_node+0xe3/0x730
[  389.238507]  ? mark_held_locks+0xc7/0x130
[  389.242671]  __alloc_skb+0x119/0x770
[  389.246393]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.250803]  ? do_raw_spin_trylock+0x270/0x270
[  389.255396]  ? kmem_cache_alloc_trace+0x353/0x750
[  389.260252]  ? queue_work_on+0x12c/0x1e0
[  389.264327]  ? switchdev_port_obj_del+0xdc/0x440
[  389.269090]  ? switchdev_trans_item_enqueue+0x260/0x260
[  389.274458]  ? mod_timer+0x631/0x1560
[  389.278259]  ? wake_up_klogd+0x180/0x180
[  389.282324]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  389.287352]  __br_mdb_notify+0x4ff/0x15d0
[  389.291515]  ? __br_mdb_add+0x7f0/0x7f0
[  389.295493]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.300608]  ? zap_class+0x640/0x640
[  389.304337]  ? br_multicast_group_expired+0x96/0x610
[  389.309548]  br_mdb_notify+0x310/0x410
[  389.313444]  ? br_mdb_dump+0x27b0/0x27b0
[  389.317521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.323076]  br_multicast_group_expired+0x1bc/0x610
[  389.328103]  ? br_mdb_free+0x80/0x80
[  389.331831]  call_timer_fn+0x272/0x920
[  389.335724]  ? br_mdb_free+0x80/0x80
[  389.339442]  ? process_timeout+0x40/0x40
[  389.343534]  ? mark_held_locks+0xc7/0x130
[  389.347693]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.352195]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.356697]  ? br_mdb_free+0x80/0x80
[  389.360422]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.365017]  ? trace_hardirqs_on+0xbd/0x310
[  389.369342]  ? kasan_check_read+0x11/0x20
[  389.373493]  ? __run_timers+0x7da/0xc70
[  389.377469]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.382587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.386835]  ? br_mdb_free+0x80/0x80
[  389.390550]  __run_timers+0x7e5/0xc70
[  389.394363]  ? timer_fixup_init+0x70/0x70
[  389.398521]  ? lock_downgrade+0x900/0x900
[  389.402668]  ? zap_class+0x640/0x640
[  389.406392]  ? print_usage_bug+0xc0/0xc0
[  389.410457]  ? trace_hardirqs_on+0x310/0x310
[  389.414893]  ? kvm_clock_read+0x18/0x30
[  389.418875]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  389.423894]  ? ktime_get+0x2c1/0x400
[  389.427620]  ? zap_class+0x640/0x640
[  389.431341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.436882]  ? check_preemption_disabled+0x48/0x280
[  389.441910]  ? __lock_is_held+0xb5/0x140
[  389.445983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.451528]  ? check_preemption_disabled+0x48/0x280
[  389.456562]  run_timer_softirq+0x52/0xb0
[  389.460630]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.465668]  __do_softirq+0x308/0xb7e
[  389.469480]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.474599]  ? irq_exit+0xbd/0x1c0
[  389.478141]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  389.483160]  ? smp_call_function_single_interrupt+0x650/0x650
[  389.489052]  ? ret_from_intr+0xb/0x1e
[  389.492862]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.497883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.502732]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.507753]  ? task_prio+0x50/0x50
[  389.511302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.516848]  ? check_preemption_disabled+0x48/0x280
[  389.521874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.526726]  ? neigh_periodic_work+0x6bd/0xc60
[  389.531313]  do_softirq_own_stack+0x2a/0x40
[  389.535629]  </IRQ>
[  389.537867]  do_softirq.part.14+0x126/0x160
[  389.542193]  __local_bh_enable_ip+0x21d/0x260
[  389.546701]  _raw_write_unlock_bh+0x30/0x40
[  389.551030]  neigh_periodic_work+0x6bd/0xc60
[  389.555452]  ? neigh_table_clear+0x390/0x390
[  389.559866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.565412]  ? check_preemption_disabled+0x48/0x280
[  389.570444]  ? __lock_is_held+0xb5/0x140
[  389.574522]  process_one_work+0xc90/0x1c40
[  389.578773]  ? mark_held_locks+0x130/0x130
[  389.583026]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  389.587699]  ? __switch_to_asm+0x40/0x70
[  389.591763]  ? __switch_to_asm+0x40/0x70
[  389.595912]  ? __switch_to_asm+0x34/0x70
[  389.599978]  ? __switch_to_asm+0x40/0x70
[  389.604051]  ? __switch_to_asm+0x34/0x70
[  389.608108]  ? __switch_to_asm+0x40/0x70
[  389.612165]  ? __switch_to_asm+0x34/0x70
[  389.616235]  ? __switch_to_asm+0x40/0x70
[  389.620307]  ? __schedule+0x8d7/0x21d0
[  389.624198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.629241]  ? lock_downgrade+0x900/0x900
[  389.633413]  ? zap_class+0x640/0x640
[  389.637129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.642000]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.646603]  ? lock_acquire+0x1ed/0x520
[  389.650584]  ? worker_thread+0x3e0/0x1390
[  389.654750]  ? kasan_check_read+0x11/0x20
[  389.658905]  ? do_raw_spin_lock+0x14f/0x350
[  389.663236]  ? kasan_check_read+0x11/0x20
[  389.667389]  ? rwlock_bug.part.2+0x90/0x90
[  389.671652]  ? trace_hardirqs_on+0x310/0x310
[  389.676088]  worker_thread+0x17f/0x1390
[  389.680074]  ? __switch_to_asm+0x34/0x70
[  389.684175]  ? process_one_work+0x1c40/0x1c40
[  389.688692]  ? zap_class+0x640/0x640
[  389.692410]  ? find_held_lock+0x36/0x1c0
[  389.696497]  ? __kthread_parkme+0xce/0x1a0
[  389.700751]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  389.705856]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  389.710967]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.715558]  ? trace_hardirqs_on+0xbd/0x310
[  389.719885]  ? kasan_check_read+0x11/0x20
[  389.724038]  ? __kthread_parkme+0xce/0x1a0
[  389.728279]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.733397]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.738510]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  389.743618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.749159]  ? __kthread_parkme+0xfb/0x1a0
[  389.753399]  ? process_one_work+0x1c40/0x1c40
[  389.757900]  kthread+0x35a/0x440
[  389.761271]  ? kthread_stop+0x900/0x900
[  389.765252]  ret_from_fork+0x3a/0x50
[  389.768996] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  389.769017] warn_alloc_show_mem: 1 callbacks suppressed
[  389.769022] Mem-Info:
[  389.776374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.781750] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  389.781750]  active_file:16 inactive_file:3 isolated_file:0
[  389.781750]  unevictable:0 dirty:0 writeback:0 unstable:0
[  389.781750]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  389.781750]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  389.781750]  free:13690 free_pcp:879 free_cma:0
[  389.784131] Call Trace:
[  389.793526] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  389.826468]  <IRQ>
[  389.829045] 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
[  389.856898]  dump_stack+0x244/0x39d
[  389.859026] lowmem_reserve[]: 0 2818 6321 6321
[  389.885143]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.888750] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  389.893345]  warn_alloc.cold.116+0xb7/0x1bd
[  389.898504] lowmem_reserve[]: 0 0 3503 3503
[  389.926115]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.930420] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  389.934766]  ? lock_downgrade+0x900/0x900
[  389.939582] lowmem_reserve[]: 0 0 0 0
[  389.968914]  ? trace_hardirqs_off+0xb8/0x310
[  389.973038] 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
[  389.976836]  ? trace_hardirqs_off+0xb8/0x310
[  389.981229] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  389.994762]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.999146] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  390.014941]  ? warn_alloc+0x120/0x120
[  390.019752] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  390.033706]  ? warn_alloc+0x120/0x120
[  390.037493] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  390.046326]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.050102] 4380 total pagecache pages
[  390.058672]  ? warn_alloc+0x120/0x120
[  390.063680] 0 pages in swap cache
[  390.067558]  ? print_usage_bug+0xc0/0xc0
[  390.071341] Swap cache stats: add 0, delete 0, find 0/0
[  390.074793]  ? print_usage_bug+0xc0/0xc0
[  390.078834] Free swap  = 0kB
[  390.084198]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.088244] Total swap = 0kB
[  390.091272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.096434] 1965979 pages RAM
[  390.099455]  ? should_fail+0x22d/0xd01
[  390.104973] 0 pages HighMem/MovableOnly
[  390.108080]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.111948] 342854 pages reserved
[  390.115930]  ? __lock_acquire+0x62f/0x4c20
[  390.121013] 0 pages cma reserved
[  390.124463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.128845] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.132041]  ? should_fail+0x22d/0xd01
[  390.137128] kworker/0:2 cpuset=/ mems_allowed=0
[  390.147448]  ? mark_held_locks+0x130/0x130
[  390.160201]  ? mark_held_locks+0x130/0x130
[  390.164442]  ? print_usage_bug+0xc0/0xc0
[  390.168511]  ? find_held_lock+0x36/0x1c0
[  390.172576]  ? zap_class+0x640/0x640
[  390.176303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.181847]  ? check_preemption_disabled+0x48/0x280
[  390.186894]  ? __lock_is_held+0xb5/0x140
[  390.190973]  __alloc_pages_nodemask+0xa80/0xde0
[  390.195644]  ? zap_class+0x640/0x640
[  390.199370]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.204401]  ? find_held_lock+0x36/0x1c0
[  390.208478]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.213155]  ? lock_downgrade+0x900/0x900
[  390.217317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.222862]  cache_grow_begin+0xa5/0x8c0
[  390.226930]  ? do_raw_spin_unlock+0xa7/0x330
[  390.231357]  fallback_alloc+0x204/0x2e0
[  390.235339]  ____cache_alloc_node+0x1c7/0x1e0
[  390.239845]  kmem_cache_alloc_node+0xe3/0x730
[  390.244360]  ? mark_held_locks+0xc7/0x130
[  390.248533]  __alloc_skb+0x119/0x770
[  390.252254]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.256665]  ? do_raw_spin_trylock+0x270/0x270
[  390.261278]  ? kmem_cache_alloc_trace+0x353/0x750
[  390.266129]  ? queue_work_on+0x12c/0x1e0
[  390.270203]  ? switchdev_port_obj_del+0xdc/0x440
[  390.274978]  ? switchdev_trans_item_enqueue+0x260/0x260
[  390.280351]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  390.285381]  __br_mdb_notify+0x4ff/0x15d0
[  390.289562]  ? __br_mdb_add+0x7f0/0x7f0
[  390.293555]  ? zap_class+0x640/0x640
[  390.297280]  ? br_multicast_group_expired+0x96/0x610
[  390.302387]  ? lock_downgrade+0x900/0x900
[  390.306548]  br_mdb_notify+0x310/0x410
[  390.310446]  ? br_mdb_dump+0x27b0/0x27b0
[  390.314515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.320062]  br_multicast_group_expired+0x1bc/0x610
[  390.325083]  ? br_mdb_free+0x80/0x80
[  390.328820]  call_timer_fn+0x272/0x920
[  390.332753]  ? br_mdb_free+0x80/0x80
[  390.336474]  ? process_timeout+0x40/0x40
[  390.340587]  ? __run_timers+0x7da/0xc70
[  390.344565]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.349060]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.353555]  ? br_mdb_free+0x80/0x80
[  390.357276]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.361863]  ? trace_hardirqs_on+0xbd/0x310
[  390.366189]  ? kasan_check_read+0x11/0x20
[  390.370339]  ? __run_timers+0x7da/0xc70
[  390.374317]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.379429]  ? br_mdb_free+0x80/0x80
[  390.383150]  ? br_mdb_free+0x80/0x80
[  390.386863]  __run_timers+0x7e5/0xc70
[  390.390677]  ? timer_fixup_init+0x70/0x70
[  390.394833]  ? lock_acquire+0x1ed/0x520
[  390.398810]  ? zap_class+0x640/0x640
[  390.402529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.408075]  ? kasan_check_read+0x11/0x20
[  390.412231]  ? do_raw_spin_lock+0x14f/0x350
[  390.416563]  ? find_held_lock+0x36/0x1c0
[  390.420633]  ? zap_class+0x640/0x640
[  390.424354]  ? pvclock_read_flags+0x160/0x160
[  390.428857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.434413]  ? check_preemption_disabled+0x48/0x280
[  390.439455]  ? __lock_is_held+0xb5/0x140
[  390.443521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.449062]  ? check_preemption_disabled+0x48/0x280
[  390.454092]  run_timer_softirq+0x52/0xb0
[  390.458160]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.463186]  __do_softirq+0x308/0xb7e
[  390.466999]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.471506]  ? lock_downgrade+0x900/0x900
[  390.475663]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.480813]  ? pvclock_read_flags+0x160/0x160
[  390.485331]  ? lapic_next_event+0x5a/0x90
[  390.489490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.495040]  ? kvm_clock_read+0x18/0x30
[  390.499015]  ? kvm_sched_clock_read+0x9/0x20
[  390.503426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.508976]  ? check_preemption_disabled+0x48/0x280
[  390.514006]  irq_exit+0x17f/0x1c0
[  390.517466]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.522311]  ? smp_reschedule_interrupt+0x109/0x650
[  390.527334]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.533221]  ? interrupt_entry+0xb5/0xc0
[  390.537289]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.542306]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.547327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.552172]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.557188]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.562206]  ? task_prio+0x50/0x50
[  390.565751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.571289]  ? check_preemption_disabled+0x48/0x280
[  390.576337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.581192]  apic_timer_interrupt+0xf/0x20
[  390.585427]  </IRQ>
[  390.587668] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  390.592600] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  390.611501] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  390.619210] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  390.626477] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  390.633746] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  390.641015] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  390.648287] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  390.655606]  skb_clone+0x1bb/0x500
[  390.659178]  ? finish_task_switch+0x1b4/0x910
[  390.663680]  ? skb_split+0x11e0/0x11e0
[  390.667577]  ? preempt_notifier_register+0x200/0x200
[  390.672680]  ? __switch_to_asm+0x34/0x70
[  390.676750]  ? __switch_to_asm+0x34/0x70
[  390.680812]  ? __switch_to_asm+0x40/0x70
[  390.684881]  ? __switch_to_asm+0x34/0x70
[  390.688939]  ? __switch_to_asm+0x40/0x70
[  390.693018]  ? __switch_to_asm+0x34/0x70
[  390.697081]  ? __switch_to_asm+0x40/0x70
[  390.701140]  ? __switch_to_asm+0x34/0x70
[  390.705201]  ? __switch_to_asm+0x34/0x70
[  390.709260]  ? __switch_to_asm+0x40/0x70
[  390.713322]  ? __switch_to_asm+0x34/0x70
[  390.717392]  bpf_clone_redirect+0xb9/0x490
[  390.721634]  ? __schedule+0x8d7/0x21d0
[  390.725531]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  390.730559]  ? __sched_text_start+0x8/0x8
[  390.734721]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.739313]  ? retint_kernel+0x2d/0x2d
[  390.743205]  ? trace_hardirqs_on_caller+0xc0/0x310
[  390.748142]  ? find_held_lock+0x36/0x1c0
[  390.752265]  ? lock_acquire+0x1ed/0x520
[  390.756249]  ? bpf_test_run+0x3cb/0x780
[  390.760230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.765774]  ? check_preemption_disabled+0x48/0x280
[  390.770804]  ? kasan_check_read+0x11/0x20
[  390.774975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.780257]  ? rcu_softirq_qs+0x20/0x20
[  390.784234]  ? preempt_schedule+0x4d/0x60
[  390.788386]  ? ___preempt_schedule+0x16/0x18
[  390.792804]  ? bpf_test_run+0x25d/0x780
[  390.796793]  ? netlink_diag_dump+0x2a0/0x2a0
[  390.801207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.806766]  ? bpf_test_init.isra.10+0x70/0x100
[  390.811448]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  390.816229]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.821073]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  390.826613]  ? fput+0x130/0x1a0
[  390.829899]  ? __bpf_prog_get+0x9b/0x290
[  390.833973]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.838815]  ? bpf_prog_test_run+0x130/0x1a0
[  390.843230]  ? __x64_sys_bpf+0x3d8/0x520
[  390.847299]  ? bpf_prog_get+0x20/0x20
[  390.851135]  ? do_syscall_64+0x1b9/0x820
[  390.855228]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  390.860637]  ? syscall_return_slowpath+0x5e0/0x5e0
[  390.865580]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.870429]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.875453]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  390.880559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.886101]  ? prepare_exit_to_usermode+0x291/0x3b0
[  390.891125]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.895997]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  390.901393] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  390.901577] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.909018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.909042] Workqueue: events_power_efficient neigh_periodic_work
[  390.919597] syz-executor1 cpuset=syz1 mems_allowed=0
[  390.928957] Call Trace:
[  390.942829]  <IRQ>
[  390.945020]  dump_stack+0x244/0x39d
[  390.948712]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.953921]  warn_alloc.cold.116+0xb7/0x1bd
[  390.958254]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.963119]  ? lock_downgrade+0x900/0x900
[  390.967278]  ? trace_hardirqs_off+0xb8/0x310
[  390.971696]  ? trace_hardirqs_off+0xb8/0x310
[  390.976121]  __alloc_pages_slowpath+0x26e8/0x2e10
[  390.981027]  ? warn_alloc+0x120/0x120
[  390.984850]  ? warn_alloc+0x120/0x120
[  390.988686]  ? warn_alloc+0x120/0x120
[  390.992505]  ? print_usage_bug+0xc0/0xc0
[  390.996574]  ? print_usage_bug+0xc0/0xc0
[  391.000637]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.005841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.011387]  ? should_fail+0x22d/0xd01
[  391.015305]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.020416]  ? __lock_acquire+0x62f/0x4c20
[  391.024658]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.029764]  ? __lock_acquire+0x62f/0x4c20
[  391.034022]  ? should_fail+0x22d/0xd01
[  391.037935]  ? mark_held_locks+0x130/0x130
[  391.042187]  ? mark_held_locks+0x130/0x130
[  391.046430]  ? update_stack_state+0x1a5/0x690
[  391.050936]  ? zap_class+0x640/0x640
[  391.054656]  ? ret_from_fork+0x3a/0x50
[  391.058581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.064128]  ? check_preemption_disabled+0x48/0x280
[  391.069161]  ? __lock_is_held+0xb5/0x140
[  391.073248]  __alloc_pages_nodemask+0xa80/0xde0
[  391.077925]  ? zap_class+0x640/0x640
[  391.081655]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.086685]  ? find_held_lock+0x36/0x1c0
[  391.090784]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.095460]  ? lock_downgrade+0x900/0x900
[  391.099622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.105168]  cache_grow_begin+0xa5/0x8c0
[  391.109236]  ? do_raw_spin_unlock+0xa7/0x330
[  391.113668]  fallback_alloc+0x204/0x2e0
[  391.117654]  ____cache_alloc_node+0x1c7/0x1e0
[  391.122159]  kmem_cache_alloc_node+0xe3/0x730
[  391.126665]  ? mark_held_locks+0xc7/0x130
[  391.130826]  __alloc_skb+0x119/0x770
[  391.134567]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.138983]  ? do_raw_spin_trylock+0x270/0x270
[  391.143572]  ? kmem_cache_alloc_trace+0x353/0x750
[  391.148420]  ? queue_work_on+0x12c/0x1e0
[  391.152494]  ? switchdev_port_obj_del+0xdc/0x440
[  391.157258]  ? switchdev_trans_item_enqueue+0x260/0x260
[  391.162629]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  391.167659]  __br_mdb_notify+0x4ff/0x15d0
[  391.173294]  ? __br_mdb_add+0x7f0/0x7f0
[  391.177294]  ? zap_class+0x640/0x640
[  391.181023]  ? br_multicast_group_expired+0x96/0x610
[  391.186129]  ? lock_downgrade+0x900/0x900
[  391.190286]  br_mdb_notify+0x310/0x410
[  391.194178]  ? br_mdb_dump+0x27b0/0x27b0
[  391.198278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.203838]  br_multicast_group_expired+0x1bc/0x610
[  391.208864]  ? br_mdb_free+0x80/0x80
[  391.212593]  call_timer_fn+0x272/0x920
[  391.216481]  ? br_mdb_free+0x80/0x80
[  391.220194]  ? process_timeout+0x40/0x40
[  391.224275]  ? mark_held_locks+0xc7/0x130
[  391.228427]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.232921]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.237422]  ? br_mdb_free+0x80/0x80
[  391.241142]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.245728]  ? trace_hardirqs_on+0xbd/0x310
[  391.250052]  ? kasan_check_read+0x11/0x20
[  391.254204]  ? __run_timers+0x7da/0xc70
[  391.258192]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.263307]  ? br_mdb_free+0x80/0x80
[  391.267040]  ? br_mdb_free+0x80/0x80
[  391.270752]  __run_timers+0x7e5/0xc70
[  391.274567]  ? timer_fixup_init+0x70/0x70
[  391.278731]  ? lock_downgrade+0x900/0x900
[  391.282891]  ? zap_class+0x640/0x640
[  391.286615]  ? print_usage_bug+0xc0/0xc0
[  391.290681]  ? trace_hardirqs_on+0x310/0x310
[  391.295101]  ? kvm_clock_read+0x18/0x30
[  391.299086]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  391.304110]  ? ktime_get+0x2c1/0x400
[  391.307830]  ? zap_class+0x640/0x640
[  391.311555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.317097]  ? check_preemption_disabled+0x48/0x280
[  391.322145]  ? __lock_is_held+0xb5/0x140
[  391.326210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.331756]  ? check_preemption_disabled+0x48/0x280
[  391.336782]  run_timer_softirq+0x52/0xb0
[  391.340851]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.345875]  __do_softirq+0x308/0xb7e
[  391.349687]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.354789]  ? irq_exit+0xbd/0x1c0
[  391.358337]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  391.363361]  ? smp_call_function_single_interrupt+0x650/0x650
[  391.369250]  ? ret_from_intr+0xb/0x1e
[  391.373058]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.378096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.382943]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.387979]  ? task_prio+0x50/0x50
[  391.391529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.397070]  ? check_preemption_disabled+0x48/0x280
[  391.402098]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.406958]  ? neigh_periodic_work+0x6bd/0xc60
[  391.411546]  do_softirq_own_stack+0x2a/0x40
[  391.415861]  </IRQ>
[  391.418104]  do_softirq.part.14+0x126/0x160
[  391.422432]  __local_bh_enable_ip+0x21d/0x260
[  391.426931]  _raw_write_unlock_bh+0x30/0x40
[  391.431294]  neigh_periodic_work+0x6bd/0xc60
[  391.435714]  ? neigh_table_clear+0x390/0x390
[  391.440133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.445678]  ? check_preemption_disabled+0x48/0x280
[  391.450707]  ? __lock_is_held+0xb5/0x140
[  391.454785]  process_one_work+0xc90/0x1c40
[  391.459023]  ? mark_held_locks+0x130/0x130
[  391.463270]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  391.467977]  ? __switch_to_asm+0x40/0x70
[  391.472042]  ? __switch_to_asm+0x40/0x70
[  391.476098]  ? __switch_to_asm+0x34/0x70
[  391.480166]  ? __switch_to_asm+0x40/0x70
[  391.484242]  ? __switch_to_asm+0x34/0x70
[  391.488303]  ? __switch_to_asm+0x40/0x70
[  391.492364]  ? __switch_to_asm+0x34/0x70
[  391.496423]  ? __switch_to_asm+0x40/0x70
[  391.500490]  ? __schedule+0x8d7/0x21d0
[  391.504401]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.509430]  ? lock_downgrade+0x900/0x900
[  391.513584]  ? zap_class+0x640/0x640
[  391.517306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.522160]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.526762]  ? lock_acquire+0x1ed/0x520
[  391.530737]  ? worker_thread+0x3e0/0x1390
[  391.534895]  ? kasan_check_read+0x11/0x20
[  391.539058]  ? do_raw_spin_lock+0x14f/0x350
[  391.543379]  ? kasan_check_read+0x11/0x20
[  391.547527]  ? rwlock_bug.part.2+0x90/0x90
[  391.551764]  ? trace_hardirqs_on+0x310/0x310
[  391.556183]  worker_thread+0x17f/0x1390
[  391.560162]  ? __switch_to_asm+0x34/0x70
[  391.564242]  ? process_one_work+0x1c40/0x1c40
[  391.568784]  ? zap_class+0x640/0x640
[  391.572498]  ? find_held_lock+0x36/0x1c0
[  391.576593]  ? __kthread_parkme+0xce/0x1a0
[  391.580831]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.585936]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.591049]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.595636]  ? trace_hardirqs_on+0xbd/0x310
[  391.599964]  ? kasan_check_read+0x11/0x20
[  391.604127]  ? __kthread_parkme+0xce/0x1a0
[  391.608368]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.613476]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.618598]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.623729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.629269]  ? __kthread_parkme+0xfb/0x1a0
[  391.633517]  ? process_one_work+0x1c40/0x1c40
[  391.638013]  kthread+0x35a/0x440
[  391.641387]  ? kthread_stop+0x900/0x900
[  391.645367]  ret_from_fork+0x3a/0x50
[  391.649097] warn_alloc_show_mem: 1 callbacks suppressed
[  391.649108] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  391.649110] Mem-Info:
[  391.649140] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  391.649140]  active_file:16 inactive_file:3 isolated_file:0
[  391.649140]  unevictable:0 dirty:0 writeback:0 unstable:0
[  391.649140]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  391.649140]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  391.649140]  free:13690 free_pcp:879 free_cma:0
[  391.654500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.661863] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  391.664268] Call Trace:
[  391.697229] 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
[  391.706577]  <IRQ>
[  391.734412] lowmem_reserve[]: 0 2818 6321 6321
[  391.737019]  dump_stack+0x244/0x39d
[  391.763120] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  391.765275]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.769843] lowmem_reserve[]: 0 0 3503 3503
[  391.773481]  warn_alloc.cold.116+0xb7/0x1bd
[  391.801037] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  391.806232]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.810523] lowmem_reserve[]: 0 0 0 0
[  391.814859]  ? lock_downgrade+0x900/0x900
[  391.844160] 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
[  391.849010]  ? trace_hardirqs_off+0xb8/0x310
[  391.852806] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  391.856955]  ? trace_hardirqs_off+0xb8/0x310
[  391.870462] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  391.874902]  __alloc_pages_slowpath+0x26e8/0x2e10
[  391.890179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  391.894602]  ? warn_alloc+0x120/0x120
[  391.908515] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  391.908525] 4380 total pagecache pages
[  391.913370]  ? warn_alloc+0x120/0x120
[  391.922195] 0 pages in swap cache
[  391.925990]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.934544] Swap cache stats: add 0, delete 0, find 0/0
[  391.938425]  ? warn_alloc+0x120/0x120
[  391.942204] Free swap  = 0kB
[  391.945656]  ? print_usage_bug+0xc0/0xc0
[  391.950665] Total swap = 0kB
[  391.956028]  ? print_usage_bug+0xc0/0xc0
[  391.959827] 1965979 pages RAM
[  391.962844]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.966899] 0 pages HighMem/MovableOnly
[  391.969936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.973992] 342854 pages reserved
[  391.977097]  ? should_fail+0x22d/0xd01
[  391.982267] 0 pages cma reserved
[  391.986237]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.991918] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.995211]  ? __lock_acquire+0x62f/0x4c20
[  391.999084] kworker/0:2 cpuset=/ mems_allowed=0
[  392.002448]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.031995]  ? should_fail+0x22d/0xd01
[  392.035902]  ? mark_held_locks+0x130/0x130
[  392.040167]  ? mark_held_locks+0x130/0x130
[  392.044399]  ? print_usage_bug+0xc0/0xc0
[  392.048475]  ? find_held_lock+0x36/0x1c0
[  392.052551]  ? zap_class+0x640/0x640
[  392.056272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.061814]  ? check_preemption_disabled+0x48/0x280
[  392.066848]  ? __lock_is_held+0xb5/0x140
[  392.070920]  __alloc_pages_nodemask+0xa80/0xde0
[  392.075596]  ? zap_class+0x640/0x640
[  392.079322]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.084356]  ? find_held_lock+0x36/0x1c0
[  392.088431]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.093105]  ? lock_downgrade+0x900/0x900
[  392.097265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.102812]  cache_grow_begin+0xa5/0x8c0
[  392.106898]  ? do_raw_spin_unlock+0xa7/0x330
[  392.111324]  fallback_alloc+0x204/0x2e0
[  392.115308]  ____cache_alloc_node+0x1c7/0x1e0
[  392.119831]  kmem_cache_alloc_node+0xe3/0x730
[  392.124371]  ? mark_held_locks+0xc7/0x130
[  392.128533]  __alloc_skb+0x119/0x770
[  392.132256]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.136668]  ? do_raw_spin_trylock+0x270/0x270
[  392.141262]  ? kmem_cache_alloc_trace+0x353/0x750
[  392.146134]  ? queue_work_on+0x12c/0x1e0
[  392.150210]  ? switchdev_port_obj_del+0xdc/0x440
[  392.154986]  ? switchdev_trans_item_enqueue+0x260/0x260
[  392.160386]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  392.165426]  __br_mdb_notify+0x4ff/0x15d0
[  392.169608]  ? __br_mdb_add+0x7f0/0x7f0
[  392.173635]  ? zap_class+0x640/0x640
[  392.177373]  ? br_multicast_group_expired+0x96/0x610
[  392.182488]  ? lock_downgrade+0x900/0x900
[  392.186645]  br_mdb_notify+0x310/0x410
[  392.190547]  ? br_mdb_dump+0x27b0/0x27b0
[  392.194616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.200175]  br_multicast_group_expired+0x1bc/0x610
[  392.205206]  ? br_mdb_free+0x80/0x80
[  392.208937]  call_timer_fn+0x272/0x920
[  392.212831]  ? br_mdb_free+0x80/0x80
[  392.216544]  ? process_timeout+0x40/0x40
[  392.220614]  ? __run_timers+0x7da/0xc70
[  392.224591]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.229087]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.233584]  ? br_mdb_free+0x80/0x80
[  392.237299]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.241891]  ? trace_hardirqs_on+0xbd/0x310
[  392.246216]  ? kasan_check_read+0x11/0x20
[  392.250370]  ? __run_timers+0x7da/0xc70
[  392.254350]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.259462]  ? br_mdb_free+0x80/0x80
[  392.263185]  ? br_mdb_free+0x80/0x80
[  392.266900]  __run_timers+0x7e5/0xc70
[  392.270730]  ? timer_fixup_init+0x70/0x70
[  392.274912]  ? lock_acquire+0x1ed/0x520
[  392.278905]  ? zap_class+0x640/0x640
[  392.282622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.288165]  ? kasan_check_read+0x11/0x20
[  392.292317]  ? do_raw_spin_lock+0x14f/0x350
[  392.296648]  ? find_held_lock+0x36/0x1c0
[  392.300725]  ? zap_class+0x640/0x640
[  392.304448]  ? pvclock_read_flags+0x160/0x160
[  392.308958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.314504]  ? check_preemption_disabled+0x48/0x280
[  392.319537]  ? __lock_is_held+0xb5/0x140
[  392.323602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.329144]  ? check_preemption_disabled+0x48/0x280
[  392.334168]  run_timer_softirq+0x52/0xb0
[  392.338233]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.343259]  __do_softirq+0x308/0xb7e
[  392.347068]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  392.351569]  ? lock_downgrade+0x900/0x900
[  392.355733]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.360857]  ? pvclock_read_flags+0x160/0x160
[  392.365363]  ? lapic_next_event+0x5a/0x90
[  392.369516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.375065]  ? kvm_clock_read+0x18/0x30
[  392.379043]  ? kvm_sched_clock_read+0x9/0x20
[  392.383460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.389013]  ? check_preemption_disabled+0x48/0x280
[  392.394098]  irq_exit+0x17f/0x1c0
[  392.397566]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.402408]  ? smp_reschedule_interrupt+0x109/0x650
[  392.407425]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.413310]  ? interrupt_entry+0xb5/0xc0
[  392.417378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.422395]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.427420]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.432266]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.437282]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.442300]  ? task_prio+0x50/0x50
[  392.445844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.451411]  ? check_preemption_disabled+0x48/0x280
[  392.456444]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.461303]  apic_timer_interrupt+0xf/0x20
[  392.465544]  </IRQ>
[  392.467786] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  392.472755] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  392.491678] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  392.499392] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  392.506665] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  392.513941] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  392.521229] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  392.528501] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  392.535822]  skb_clone+0x1bb/0x500
[  392.539366]  ? finish_task_switch+0x1b4/0x910
[  392.543865]  ? skb_split+0x11e0/0x11e0
[  392.547759]  ? preempt_notifier_register+0x200/0x200
[  392.552867]  ? __switch_to_asm+0x34/0x70
[  392.556938]  ? __switch_to_asm+0x34/0x70
[  392.561005]  ? __switch_to_asm+0x40/0x70
[  392.565067]  ? __switch_to_asm+0x34/0x70
[  392.569123]  ? __switch_to_asm+0x40/0x70
[  392.573187]  ? __switch_to_asm+0x34/0x70
[  392.577250]  ? __switch_to_asm+0x40/0x70
[  392.581321]  ? __switch_to_asm+0x34/0x70
[  392.585384]  ? __switch_to_asm+0x34/0x70
[  392.589444]  ? __switch_to_asm+0x40/0x70
[  392.593506]  ? __switch_to_asm+0x34/0x70
[  392.597577]  bpf_clone_redirect+0xb9/0x490
[  392.601817]  ? __schedule+0x8d7/0x21d0
[  392.605728]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  392.610749]  ? __sched_text_start+0x8/0x8
[  392.614931]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.619526]  ? retint_kernel+0x2d/0x2d
[  392.623417]  ? trace_hardirqs_on_caller+0xc0/0x310
[  392.628368]  ? find_held_lock+0x36/0x1c0
[  392.632437]  ? lock_acquire+0x1ed/0x520
[  392.636417]  ? bpf_test_run+0x3cb/0x780
[  392.640409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.645981]  ? check_preemption_disabled+0x48/0x280
[  392.651033]  ? kasan_check_read+0x11/0x20
[  392.655187]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.660474]  ? rcu_softirq_qs+0x20/0x20
[  392.664454]  ? preempt_schedule+0x4d/0x60
[  392.668635]  ? ___preempt_schedule+0x16/0x18
[  392.673055]  ? bpf_test_run+0x25d/0x780
[  392.677040]  ? netlink_diag_dump+0x2a0/0x2a0
[  392.681480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.687020]  ? bpf_test_init.isra.10+0x70/0x100
[  392.691702]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  392.696475]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  392.701317]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  392.706866]  ? fput+0x130/0x1a0
[  392.710160]  ? __bpf_prog_get+0x9b/0x290
[  392.714228]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  392.719072]  ? bpf_prog_test_run+0x130/0x1a0
[  392.723485]  ? __x64_sys_bpf+0x3d8/0x520
[  392.727558]  ? bpf_prog_get+0x20/0x20
[  392.731393]  ? do_syscall_64+0x1b9/0x820
[  392.735459]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  392.740824]  ? syscall_return_slowpath+0x5e0/0x5e0
[  392.745750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.750603]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.755622]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  392.760643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.766190]  ? prepare_exit_to_usermode+0x291/0x3b0
[  392.771217]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.776075]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  392.781460] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  392.781765] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.788577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.788604] Workqueue: events_power_efficient neigh_periodic_work
[  392.799251] syz-executor1 cpuset=syz1 mems_allowed=0
[  392.808591] Call Trace:
[  392.808617]  <IRQ>
[  392.808637]  dump_stack+0x244/0x39d
[  392.828403]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.833609]  warn_alloc.cold.116+0xb7/0x1bd
[  392.837936]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.842804]  ? lock_downgrade+0x900/0x900
[  392.846990]  ? trace_hardirqs_off+0xb8/0x310
[  392.851460]  ? trace_hardirqs_off+0xb8/0x310
[  392.855883]  __alloc_pages_slowpath+0x26e8/0x2e10
[  392.860750]  ? warn_alloc+0x120/0x120
[  392.864555]  ? warn_alloc+0x120/0x120
[  392.868378]  ? warn_alloc+0x120/0x120
[  392.872194]  ? print_usage_bug+0xc0/0xc0
[  392.876269]  ? print_usage_bug+0xc0/0xc0
[  392.880352]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  392.885557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.891102]  ? should_fail+0x22d/0xd01
[  392.894997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.900101]  ? __lock_acquire+0x62f/0x4c20
[  392.904869]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.909974]  ? __lock_acquire+0x62f/0x4c20
[  392.914230]  ? should_fail+0x22d/0xd01
[  392.918129]  ? mark_held_locks+0x130/0x130
[  392.922384]  ? mark_held_locks+0x130/0x130
[  392.926636]  ? update_stack_state+0x1a5/0x690
[  392.931165]  ? zap_class+0x640/0x640
[  392.934904]  ? ret_from_fork+0x3a/0x50
[  392.938801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.944343]  ? check_preemption_disabled+0x48/0x280
[  392.949369]  ? __lock_is_held+0xb5/0x140
[  392.953462]  __alloc_pages_nodemask+0xa80/0xde0
[  392.958133]  ? zap_class+0x640/0x640
[  392.961866]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.966917]  ? find_held_lock+0x36/0x1c0
[  392.971017]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.975705]  ? lock_downgrade+0x900/0x900
[  392.979879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.985424]  cache_grow_begin+0xa5/0x8c0
[  392.989492]  ? do_raw_spin_unlock+0xa7/0x330
[  392.993910]  fallback_alloc+0x204/0x2e0
[  392.997895]  ____cache_alloc_node+0x1c7/0x1e0
[  393.002399]  kmem_cache_alloc_node+0xe3/0x730
[  393.006899]  ? mark_held_locks+0xc7/0x130
[  393.011063]  __alloc_skb+0x119/0x770
[  393.014785]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.019208]  ? do_raw_spin_trylock+0x270/0x270
[  393.023797]  ? kmem_cache_alloc_trace+0x353/0x750
[  393.028646]  ? queue_work_on+0x12c/0x1e0
[  393.032779]  ? switchdev_port_obj_del+0xdc/0x440
[  393.037555]  ? switchdev_trans_item_enqueue+0x260/0x260
[  393.042928]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.047957]  __br_mdb_notify+0x4ff/0x15d0
[  393.052142]  ? __br_mdb_add+0x7f0/0x7f0
[  393.056133]  ? zap_class+0x640/0x640
[  393.059862]  ? br_multicast_group_expired+0x96/0x610
[  393.064969]  ? lock_downgrade+0x900/0x900
[  393.069129]  br_mdb_notify+0x310/0x410
[  393.073036]  ? br_mdb_dump+0x27b0/0x27b0
[  393.077118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.082681]  br_multicast_group_expired+0x1bc/0x610
[  393.087701]  ? br_mdb_free+0x80/0x80
[  393.091436]  call_timer_fn+0x272/0x920
[  393.095328]  ? br_mdb_free+0x80/0x80
[  393.099047]  ? process_timeout+0x40/0x40
[  393.103117]  ? mark_held_locks+0xc7/0x130
[  393.107269]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.111764]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.116260]  ? br_mdb_free+0x80/0x80
[  393.119974]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.124561]  ? trace_hardirqs_on+0xbd/0x310
[  393.128914]  ? kasan_check_read+0x11/0x20
[  393.133062]  ? __run_timers+0x7da/0xc70
[  393.137044]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.142167]  ? br_mdb_free+0x80/0x80
[  393.145887]  ? br_mdb_free+0x80/0x80
[  393.149608]  __run_timers+0x7e5/0xc70
[  393.153421]  ? timer_fixup_init+0x70/0x70
[  393.157570]  ? lock_downgrade+0x900/0x900
[  393.161720]  ? zap_class+0x640/0x640
[  393.165449]  ? print_usage_bug+0xc0/0xc0
[  393.169514]  ? trace_hardirqs_on+0x310/0x310
[  393.174025]  ? kvm_clock_read+0x18/0x30
[  393.178007]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.183027]  ? ktime_get+0x2c1/0x400
[  393.186748]  ? zap_class+0x640/0x640
[  393.190480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.196050]  ? check_preemption_disabled+0x48/0x280
[  393.201086]  ? __lock_is_held+0xb5/0x140
[  393.205161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.210708]  ? check_preemption_disabled+0x48/0x280
[  393.215734]  run_timer_softirq+0x52/0xb0
[  393.219834]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.224851]  __do_softirq+0x308/0xb7e
[  393.228675]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.233788]  ? irq_exit+0xbd/0x1c0
[  393.237333]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  393.242352]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.248245]  ? ret_from_intr+0xb/0x1e
[  393.252055]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.257077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.261928]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.266949]  ? task_prio+0x50/0x50
[  393.270495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.276040]  ? check_preemption_disabled+0x48/0x280
[  393.281066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.285918]  ? neigh_periodic_work+0x6bd/0xc60
[  393.290506]  do_softirq_own_stack+0x2a/0x40
[  393.294823]  </IRQ>
[  393.297067]  do_softirq.part.14+0x126/0x160
[  393.301417]  __local_bh_enable_ip+0x21d/0x260
[  393.305916]  _raw_write_unlock_bh+0x30/0x40
[  393.310246]  neigh_periodic_work+0x6bd/0xc60
[  393.314670]  ? neigh_table_clear+0x390/0x390
[  393.319094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.324647]  ? check_preemption_disabled+0x48/0x280
[  393.329707]  ? __lock_is_held+0xb5/0x140
[  393.333786]  process_one_work+0xc90/0x1c40
[  393.338023]  ? mark_held_locks+0x130/0x130
[  393.342271]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  393.346942]  ? __switch_to_asm+0x40/0x70
[  393.351014]  ? __switch_to_asm+0x40/0x70
[  393.355076]  ? __switch_to_asm+0x34/0x70
[  393.359150]  ? __switch_to_asm+0x40/0x70
[  393.363208]  ? __switch_to_asm+0x34/0x70
[  393.367272]  ? __switch_to_asm+0x40/0x70
[  393.371334]  ? __switch_to_asm+0x34/0x70
[  393.375394]  ? __switch_to_asm+0x40/0x70
[  393.379464]  ? __schedule+0x8d7/0x21d0
[  393.383353]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.388381]  ? lock_downgrade+0x900/0x900
[  393.392537]  ? zap_class+0x640/0x640
[  393.396254]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.401107]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.405709]  ? lock_acquire+0x1ed/0x520
[  393.409690]  ? worker_thread+0x3e0/0x1390
[  393.413857]  ? kasan_check_read+0x11/0x20
[  393.418010]  ? do_raw_spin_lock+0x14f/0x350
[  393.422331]  ? kasan_check_read+0x11/0x20
[  393.426491]  ? rwlock_bug.part.2+0x90/0x90
[  393.430742]  ? trace_hardirqs_on+0x310/0x310
[  393.435198]  worker_thread+0x17f/0x1390
[  393.439180]  ? __switch_to_asm+0x34/0x70
[  393.443265]  ? process_one_work+0x1c40/0x1c40
[  393.447774]  ? zap_class+0x640/0x640
[  393.451491]  ? find_held_lock+0x36/0x1c0
[  393.455583]  ? __kthread_parkme+0xce/0x1a0
[  393.459823]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.464956]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.470079]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.474665]  ? trace_hardirqs_on+0xbd/0x310
[  393.478990]  ? kasan_check_read+0x11/0x20
[  393.483183]  ? __kthread_parkme+0xce/0x1a0
[  393.487454]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.492566]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.497681]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.502787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.508341]  ? __kthread_parkme+0xfb/0x1a0
[  393.512582]  ? process_one_work+0x1c40/0x1c40
[  393.517079]  kthread+0x35a/0x440
[  393.520449]  ? kthread_stop+0x900/0x900
[  393.524426]  ret_from_fork+0x3a/0x50
[  393.528155] warn_alloc_show_mem: 1 callbacks suppressed
[  393.528167] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  393.528169] Mem-Info:
[  393.528233] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  393.528233]  active_file:16 inactive_file:3 isolated_file:0
[  393.528233]  unevictable:0 dirty:0 writeback:0 unstable:0
[  393.528233]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  393.528233]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  393.528233]  free:13690 free_pcp:879 free_cma:0
[  393.533579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.540999] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  393.543394] Call Trace:
[  393.576352] 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
[  393.585725]  <IRQ>
[  393.613579] lowmem_reserve[]: 0 2818 6321 6321
[  393.616211]  dump_stack+0x244/0x39d
[  393.642297] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  393.644453]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.649015] lowmem_reserve[]: 0 0 3503 3503
[  393.652653]  warn_alloc.cold.116+0xb7/0x1bd
[  393.680209] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  393.685403]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.689737] lowmem_reserve[]: 0 0 0 0
[  393.694064]  ? lock_downgrade+0x900/0x900
[  393.723361] 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
[  393.728211]  ? trace_hardirqs_off+0xb8/0x310
[  393.731992] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  393.736164]  ? trace_hardirqs_off+0xb8/0x310
[  393.749667] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  393.754086]  __alloc_pages_slowpath+0x26e8/0x2e10
[  393.769341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  393.773797]  ? warn_alloc+0x120/0x120
[  393.787719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  393.792562]  ? warn_alloc+0x120/0x120
[  393.801380] 4380 total pagecache pages
[  393.805183]  ? warn_alloc+0x120/0x120
[  393.813766] 0 pages in swap cache
[  393.817560]  ? print_usage_bug+0xc0/0xc0
[  393.821421] Swap cache stats: add 0, delete 0, find 0/0
[  393.821433] Free swap  = 0kB
[  393.825245]  ? mark_held_locks+0x130/0x130
[  393.828680] Total swap = 0kB
[  393.832768]  ? do_raw_spin_unlock+0xa7/0x330
[  393.838110] 1965979 pages RAM
[  393.841153]  ? print_usage_bug+0xc0/0xc0
[  393.845369] 0 pages HighMem/MovableOnly
[  393.848405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.852797] 342854 pages reserved
[  393.855914]  ? should_fail+0x22d/0xd01
[  393.859959] 0 pages cma reserved
[  393.863926]  ? __lock_acquire+0x62f/0x4c20
[  393.869612] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.872900]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.876766] kworker/0:2 cpuset=/ mems_allowed=0
[  393.880141]  ? __lock_acquire+0x62f/0x4c20
[  393.908660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.913774]  ? __lock_acquire+0x62f/0x4c20
[  393.918010]  ? should_fail+0x22d/0xd01
[  393.921910]  ? mark_held_locks+0x130/0x130
[  393.926177]  ? mark_held_locks+0x130/0x130
[  393.930424]  ? __lock_acquire+0x62f/0x4c20
[  393.934666]  ? zap_class+0x640/0x640
[  393.938385]  ? trace_hardirqs_off+0xb8/0x310
[  393.942801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.948343]  ? check_preemption_disabled+0x48/0x280
[  393.953383]  ? __lock_is_held+0xb5/0x140
[  393.957477]  __alloc_pages_nodemask+0xa80/0xde0
[  393.962146]  ? zap_class+0x640/0x640
[  393.965866]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.970900]  ? find_held_lock+0x36/0x1c0
[  393.974998]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.979686]  ? lock_downgrade+0x900/0x900
[  393.983858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.989403]  cache_grow_begin+0xa5/0x8c0
[  393.993471]  ? do_raw_spin_unlock+0xa7/0x330
[  393.997898]  fallback_alloc+0x204/0x2e0
[  394.001894]  ____cache_alloc_node+0x1c7/0x1e0
[  394.006407]  kmem_cache_alloc_node+0xe3/0x730
[  394.011432]  ? do_raw_spin_unlock+0xa7/0x330
[  394.015848]  ? do_raw_spin_trylock+0x270/0x270
[  394.020442]  __alloc_skb+0x119/0x770
[  394.024175]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.028591]  ? atomic_notifier_call_chain+0xc6/0x190
[  394.033699]  ? lock_downgrade+0x900/0x900
[  394.037855]  ? check_preemption_disabled+0x48/0x280
[  394.042876]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.047812]  ? kasan_check_read+0x11/0x20
[  394.051977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.057260]  ? rcu_softirq_qs+0x20/0x20
[  394.061234]  ? kasan_check_read+0x11/0x20
[  394.065390]  ? do_raw_write_trylock+0x270/0x270
[  394.070073]  __neigh_notify+0x8c/0x160
[  394.073972]  ? neigh_connected_output+0x780/0x780
[  394.078827]  neigh_timer_handler+0x6cb/0xdf0
[  394.083241]  ? check_preemption_disabled+0x48/0x280
[  394.088270]  ? neigh_periodic_work+0xc60/0xc60
[  394.092878]  ? __lock_is_held+0xb5/0x140
[  394.096964]  call_timer_fn+0x272/0x920
[  394.100856]  ? neigh_periodic_work+0xc60/0xc60
[  394.105444]  ? process_timeout+0x40/0x40
[  394.109516]  ? __run_timers+0x7da/0xc70
[  394.113499]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.117995]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.122493]  ? neigh_periodic_work+0xc60/0xc60
[  394.127079]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.131669]  ? trace_hardirqs_on+0xbd/0x310
[  394.135994]  ? kasan_check_read+0x11/0x20
[  394.140151]  ? __run_timers+0x7da/0xc70
[  394.144131]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.149260]  ? neigh_periodic_work+0xc60/0xc60
[  394.153856]  __run_timers+0x7e5/0xc70
[  394.157669]  ? timer_fixup_init+0x70/0x70
[  394.161825]  ? lock_acquire+0x1ed/0x520
[  394.165796]  ? zap_class+0x640/0x640
[  394.169508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.175093]  ? kasan_check_read+0x11/0x20
[  394.179244]  ? do_raw_spin_lock+0x14f/0x350
[  394.183577]  ? find_held_lock+0x36/0x1c0
[  394.187648]  ? zap_class+0x640/0x640
[  394.191368]  ? pvclock_read_flags+0x160/0x160
[  394.195866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.201407]  ? check_preemption_disabled+0x48/0x280
[  394.206439]  ? __lock_is_held+0xb5/0x140
[  394.210503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.216051]  ? check_preemption_disabled+0x48/0x280
[  394.221079]  run_timer_softirq+0x52/0xb0
[  394.225144]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.230166]  __do_softirq+0x308/0xb7e
[  394.233990]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  394.238489]  ? lock_downgrade+0x900/0x900
[  394.242645]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.247776]  ? pvclock_read_flags+0x160/0x160
[  394.252282]  ? lapic_next_event+0x5a/0x90
[  394.256437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.261991]  ? kvm_clock_read+0x18/0x30
[  394.265975]  ? kvm_sched_clock_read+0x9/0x20
[  394.270390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.275976]  ? check_preemption_disabled+0x48/0x280
[  394.281021]  irq_exit+0x17f/0x1c0
[  394.284482]  smp_apic_timer_interrupt+0x1cb/0x760
[  394.289325]  ? smp_reschedule_interrupt+0x109/0x650
[  394.294348]  ? smp_call_function_single_interrupt+0x650/0x650
[  394.300236]  ? interrupt_entry+0xb5/0xc0
[  394.304301]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.309319]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.314340]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.319187]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.324202]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.329222]  ? task_prio+0x50/0x50
[  394.332770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.338315]  ? check_preemption_disabled+0x48/0x280
[  394.343338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.348197]  apic_timer_interrupt+0xf/0x20
[  394.352431]  </IRQ>
[  394.354674] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  394.359617] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  394.378519] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  394.386230] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  394.393501] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  394.400791] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  394.408058] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  394.415325] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  394.422648]  skb_clone+0x1bb/0x500
[  394.426198]  ? finish_task_switch+0x1b4/0x910
[  394.430696]  ? skb_split+0x11e0/0x11e0
[  394.434606]  ? preempt_notifier_register+0x200/0x200
[  394.439749]  ? __switch_to_asm+0x34/0x70
[  394.443827]  ? __switch_to_asm+0x34/0x70
[  394.447908]  ? __switch_to_asm+0x40/0x70
[  394.451974]  ? __switch_to_asm+0x34/0x70
[  394.456038]  ? __switch_to_asm+0x40/0x70
[  394.460098]  ? __switch_to_asm+0x34/0x70
[  394.464253]  ? __switch_to_asm+0x40/0x70
[  394.468323]  ? __switch_to_asm+0x34/0x70
[  394.472393]  ? __switch_to_asm+0x34/0x70
[  394.476462]  ? __switch_to_asm+0x40/0x70
[  394.480527]  ? __switch_to_asm+0x34/0x70
[  394.484604]  bpf_clone_redirect+0xb9/0x490
[  394.488877]  ? __schedule+0x8d7/0x21d0
[  394.492821]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  394.497843]  ? __sched_text_start+0x8/0x8
[  394.502017]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.506617]  ? retint_kernel+0x2d/0x2d
[  394.510512]  ? trace_hardirqs_on_caller+0xc0/0x310
[  394.515461]  ? find_held_lock+0x36/0x1c0
[  394.519550]  ? lock_acquire+0x1ed/0x520
[  394.523539]  ? bpf_test_run+0x3cb/0x780
[  394.527528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.533071]  ? check_preemption_disabled+0x48/0x280
[  394.538110]  ? kasan_check_read+0x11/0x20
[  394.542261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.547546]  ? rcu_softirq_qs+0x20/0x20
[  394.551528]  ? preempt_schedule+0x4d/0x60
[  394.555681]  ? ___preempt_schedule+0x16/0x18
[  394.560104]  ? bpf_test_run+0x25d/0x780
[  394.564095]  ? netlink_diag_dump+0x2a0/0x2a0
[  394.568539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.574080]  ? bpf_test_init.isra.10+0x70/0x100
[  394.578757]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  394.583526]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  394.588368]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  394.593908]  ? fput+0x130/0x1a0
[  394.597193]  ? __bpf_prog_get+0x9b/0x290
[  394.601261]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  394.606103]  ? bpf_prog_test_run+0x130/0x1a0
[  394.610518]  ? __x64_sys_bpf+0x3d8/0x520
[  394.614583]  ? bpf_prog_get+0x20/0x20
[  394.618430]  ? do_syscall_64+0x1b9/0x820
[  394.622493]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  394.627873]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.632803]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.637662]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.642681]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  394.647710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.653258]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.658282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.663136]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  394.668524] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  394.668699] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.675638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.675663] Workqueue: events_power_efficient neigh_periodic_work
[  394.686330] syz-executor1 cpuset=syz1 mems_allowed=0
[  394.695672] Call Trace:
[  394.695684]  <IRQ>
[  394.695705]  dump_stack+0x244/0x39d
[  394.715429]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.720634]  warn_alloc.cold.116+0xb7/0x1bd
[  394.724959]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.729814]  ? lock_downgrade+0x900/0x900
[  394.733978]  ? trace_hardirqs_off+0xb8/0x310
[  394.738397]  ? trace_hardirqs_off+0xb8/0x310
[  394.742815]  __alloc_pages_slowpath+0x26e8/0x2e10
[  394.747689]  ? warn_alloc+0x120/0x120
[  394.751495]  ? warn_alloc+0x120/0x120
[  394.755302]  ? warn_alloc+0x120/0x120
[  394.759108]  ? print_usage_bug+0xc0/0xc0
[  394.763176]  ? print_usage_bug+0xc0/0xc0
[  394.767244]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.772448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.777993]  ? should_fail+0x22d/0xd01
[  394.781909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.787017]  ? __lock_acquire+0x62f/0x4c20
[  394.791262]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.796370]  ? __lock_acquire+0x62f/0x4c20
[  394.800608]  ? should_fail+0x22d/0xd01
[  394.804510]  ? mark_held_locks+0x130/0x130
[  394.808753]  ? mark_held_locks+0x130/0x130
[  394.812990]  ? update_stack_state+0x1a5/0x690
[  394.817495]  ? zap_class+0x640/0x640
[  394.821209]  ? ret_from_fork+0x3a/0x50
[  394.825114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.830661]  ? check_preemption_disabled+0x48/0x280
[  394.835691]  ? __lock_is_held+0xb5/0x140
[  394.839764]  __alloc_pages_nodemask+0xa80/0xde0
[  394.844457]  ? zap_class+0x640/0x640
[  394.848176]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.853210]  ? find_held_lock+0x36/0x1c0
[  394.857291]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.861963]  ? lock_downgrade+0x900/0x900
[  394.866123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.871668]  cache_grow_begin+0xa5/0x8c0
[  394.875736]  ? do_raw_spin_unlock+0xa7/0x330
[  394.880156]  fallback_alloc+0x204/0x2e0
[  394.884140]  ____cache_alloc_node+0x1c7/0x1e0
[  394.888649]  kmem_cache_alloc_node+0xe3/0x730
[  394.893161]  ? mark_held_locks+0xc7/0x130
[  394.897319]  __alloc_skb+0x119/0x770
[  394.901041]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.905932]  ? do_raw_spin_trylock+0x270/0x270
[  394.910529]  ? kmem_cache_alloc_trace+0x353/0x750
[  394.915394]  ? queue_work_on+0x12c/0x1e0
[  394.919471]  ? switchdev_port_obj_del+0xdc/0x440
[  394.924238]  ? switchdev_trans_item_enqueue+0x260/0x260
[  394.929614]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  394.934643]  __br_mdb_notify+0x4ff/0x15d0
[  394.938823]  ? __br_mdb_add+0x7f0/0x7f0
[  394.942813]  ? zap_class+0x640/0x640
[  394.946540]  ? br_multicast_group_expired+0x96/0x610
[  394.951646]  ? lock_downgrade+0x900/0x900
[  394.955802]  br_mdb_notify+0x310/0x410
[  394.959693]  ? br_mdb_dump+0x27b0/0x27b0
[  394.963764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.969315]  br_multicast_group_expired+0x1bc/0x610
[  394.974337]  ? br_mdb_free+0x80/0x80
[  394.978067]  call_timer_fn+0x272/0x920
[  394.981955]  ? br_mdb_free+0x80/0x80
[  394.985683]  ? process_timeout+0x40/0x40
[  394.989770]  ? mark_held_locks+0xc7/0x130
[  394.993921]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.998417]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.002927]  ? br_mdb_free+0x80/0x80
[  395.006658]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.011252]  ? trace_hardirqs_on+0xbd/0x310
[  395.015580]  ? kasan_check_read+0x11/0x20
[  395.019728]  ? __run_timers+0x7da/0xc70
[  395.023708]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.028823]  ? br_mdb_free+0x80/0x80
[  395.032547]  ? br_mdb_free+0x80/0x80
[  395.036265]  __run_timers+0x7e5/0xc70
[  395.040081]  ? timer_fixup_init+0x70/0x70
[  395.044241]  ? lock_downgrade+0x900/0x900
[  395.048394]  ? zap_class+0x640/0x640
[  395.052146]  ? print_usage_bug+0xc0/0xc0
[  395.056234]  ? trace_hardirqs_on+0x310/0x310
[  395.060654]  ? kvm_clock_read+0x18/0x30
[  395.064632]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  395.069652]  ? ktime_get+0x2c1/0x400
[  395.073372]  ? zap_class+0x640/0x640
[  395.077096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.082639]  ? check_preemption_disabled+0x48/0x280
[  395.087675]  ? __lock_is_held+0xb5/0x140
[  395.091740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.097281]  ? check_preemption_disabled+0x48/0x280
[  395.102307]  run_timer_softirq+0x52/0xb0
[  395.106373]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.111393]  __do_softirq+0x308/0xb7e
[  395.115239]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.120345]  ? irq_exit+0xbd/0x1c0
[  395.123891]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  395.128911]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.134797]  ? ret_from_intr+0xb/0x1e
[  395.138605]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.143627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.148475]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.153492]  ? task_prio+0x50/0x50
[  395.157035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.162578]  ? check_preemption_disabled+0x48/0x280
[  395.167607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.172461]  ? neigh_periodic_work+0x6bd/0xc60
[  395.177046]  do_softirq_own_stack+0x2a/0x40
[  395.181361]  </IRQ>
[  395.183605]  do_softirq.part.14+0x126/0x160
[  395.187928]  __local_bh_enable_ip+0x21d/0x260
[  395.192426]  _raw_write_unlock_bh+0x30/0x40
[  395.196752]  neigh_periodic_work+0x6bd/0xc60
[  395.201195]  ? neigh_table_clear+0x390/0x390
[  395.205629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.211183]  ? check_preemption_disabled+0x48/0x280
[  395.216224]  ? __lock_is_held+0xb5/0x140
[  395.220307]  process_one_work+0xc90/0x1c40
[  395.224546]  ? mark_held_locks+0x130/0x130
[  395.228815]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  395.233486]  ? __switch_to_asm+0x40/0x70
[  395.237551]  ? __switch_to_asm+0x40/0x70
[  395.241610]  ? __switch_to_asm+0x34/0x70
[  395.245672]  ? __switch_to_asm+0x40/0x70
[  395.249731]  ? __switch_to_asm+0x34/0x70
[  395.253790]  ? __switch_to_asm+0x40/0x70
[  395.257851]  ? __switch_to_asm+0x34/0x70
[  395.261910]  ? __switch_to_asm+0x40/0x70
[  395.265978]  ? __schedule+0x8d7/0x21d0
[  395.269871]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.274902]  ? lock_downgrade+0x900/0x900
[  395.279057]  ? zap_class+0x640/0x640
[  395.282772]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.287651]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.292257]  ? lock_acquire+0x1ed/0x520
[  395.296241]  ? worker_thread+0x3e0/0x1390
[  395.300402]  ? kasan_check_read+0x11/0x20
[  395.304555]  ? do_raw_spin_lock+0x14f/0x350
[  395.308879]  ? kasan_check_read+0x11/0x20
[  395.313031]  ? rwlock_bug.part.2+0x90/0x90
[  395.317282]  ? trace_hardirqs_on+0x310/0x310
[  395.321706]  worker_thread+0x17f/0x1390
[  395.325697]  ? __switch_to_asm+0x34/0x70
[  395.329809]  ? process_one_work+0x1c40/0x1c40
[  395.334357]  ? zap_class+0x640/0x640
[  395.338073]  ? find_held_lock+0x36/0x1c0
[  395.342164]  ? __kthread_parkme+0xce/0x1a0
[  395.346402]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  395.351509]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  395.356614]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.361200]  ? trace_hardirqs_on+0xbd/0x310
[  395.365552]  ? kasan_check_read+0x11/0x20
[  395.369713]  ? __kthread_parkme+0xce/0x1a0
[  395.373955]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.379069]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.384181]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  395.389293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.394849]  ? __kthread_parkme+0xfb/0x1a0
[  395.399117]  ? process_one_work+0x1c40/0x1c40
[  395.403615]  kthread+0x35a/0x440
[  395.406997]  ? kthread_stop+0x900/0x900
[  395.410976]  ret_from_fork+0x3a/0x50
[  395.414708] warn_alloc_show_mem: 1 callbacks suppressed
[  395.414727] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  395.414729] Mem-Info:
[  395.414760] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  395.414760]  active_file:16 inactive_file:3 isolated_file:0
[  395.414760]  unevictable:0 dirty:0 writeback:0 unstable:0
[  395.414760]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  395.414760]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  395.414760]  free:13690 free_pcp:879 free_cma:0
[  395.420110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.427482] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  395.429883] Call Trace:
[  395.462844] 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
[  395.472195]  <IRQ>
[  395.500035] lowmem_reserve[]: 0 2818 6321 6321
[  395.502634]  dump_stack+0x244/0x39d
[  395.528730] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  395.530899]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.535452] lowmem_reserve[]: 0 0 3503 3503
[  395.539105]  warn_alloc.cold.116+0xb7/0x1bd
[  395.566668] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  395.571860]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.576159] lowmem_reserve[]: 0 0 0 0
[  395.580501]  ? lock_downgrade+0x900/0x900
[  395.609804] 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
[  395.614654]  ? trace_hardirqs_off+0xb8/0x310
[  395.618429] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  395.622577]  ? trace_hardirqs_off+0xb8/0x310
[  395.636078] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  395.640492]  __alloc_pages_slowpath+0x26e8/0x2e10
[  395.655727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  395.655742] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  395.660171]  ? warn_alloc+0x120/0x120
[  395.674085] 4380 total pagecache pages
[  395.678924]  ? warn_alloc+0x120/0x120
[  395.687745] 0 pages in swap cache
[  395.696313]  ? warn_alloc+0x120/0x120
[  395.700096] Swap cache stats: add 0, delete 0, find 0/0
[  395.703989]  ? print_usage_bug+0xc0/0xc0
[  395.707777] Free swap  = 0kB
[  395.711231]  ? print_usage_bug+0xc0/0xc0
[  395.715010] Total swap = 0kB
[  395.720370]  ? zap_class+0x640/0x640
[  395.724409] 1965979 pages RAM
[  395.727428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.731459] 0 pages HighMem/MovableOnly
[  395.731468] 342854 pages reserved
[  395.734487]  ? should_fail+0x22d/0xd01
[  395.738178] 0 pages cma reserved
[  395.741281]  ? print_usage_bug+0xc0/0xc0
[  395.746961] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.750765]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  395.754200] kworker/0:2 cpuset=/ mems_allowed=0
[  395.758086]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.790735]  ? __lock_acquire+0x62f/0x4c20
[  395.795013]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.800117]  ? should_fail+0x22d/0xd01
[  395.804021]  ? mark_held_locks+0x130/0x130
[  395.808261]  ? mark_held_locks+0x130/0x130
[  395.812510]  ? zap_class+0x640/0x640
[  395.816229]  ? mark_held_locks+0x130/0x130
[  395.820471]  ? kvm_clock_read+0x18/0x30
[  395.824453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.829997]  ? check_preemption_disabled+0x48/0x280
[  395.835031]  ? __lock_is_held+0xb5/0x140
[  395.839129]  __alloc_pages_nodemask+0xa80/0xde0
[  395.843828]  ? zap_class+0x640/0x640
[  395.847554]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  395.852587]  ? find_held_lock+0x36/0x1c0
[  395.856661]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.861337]  ? lock_downgrade+0x900/0x900
[  395.865494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.871039]  cache_grow_begin+0xa5/0x8c0
[  395.875105]  ? do_raw_spin_unlock+0xa7/0x330
[  395.879528]  fallback_alloc+0x204/0x2e0
[  395.883511]  ____cache_alloc_node+0x1c7/0x1e0
[  395.888026]  kmem_cache_alloc_node+0xe3/0x730
[  395.892530]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.897127]  __alloc_skb+0x119/0x770
[  395.900841]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  395.906211]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.910654]  ? lock_acquire+0x1ed/0x520
[  395.914634]  ? aoecmd_cfg+0x108/0x7f0
[  395.918441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.923996]  ? check_preemption_disabled+0x48/0x280
[  395.929030]  ? kasan_check_read+0x11/0x20
[  395.933181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.938463]  ? rcu_softirq_qs+0x20/0x20
[  395.942448]  new_skb+0x26/0x1c0
[  395.945737]  aoecmd_cfg+0x279/0x7f0
[  395.949388]  ? find_held_lock+0x36/0x1c0
[  395.953455]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  395.957791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.963345]  ? check_preemption_disabled+0x48/0x280
[  395.968379]  ? __lock_is_held+0xb5/0x140
[  395.972454]  discover_timer+0x50/0x60
[  395.976257]  call_timer_fn+0x272/0x920
[  395.980148]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  395.985008]  ? process_timeout+0x40/0x40
[  395.989081]  ? __run_timers+0x7da/0xc70
[  395.993059]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.997554]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.002055]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  396.006909]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.011979]  ? trace_hardirqs_on+0xbd/0x310
[  396.016308]  ? kasan_check_read+0x11/0x20
[  396.020459]  ? __run_timers+0x7da/0xc70
[  396.024442]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.029560]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  396.034405]  __run_timers+0x7e5/0xc70
[  396.038218]  ? timer_fixup_init+0x70/0x70
[  396.042380]  ? lock_acquire+0x1ed/0x520
[  396.046366]  ? zap_class+0x640/0x640
[  396.050092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.055650]  ? kasan_check_read+0x11/0x20
[  396.059807]  ? do_raw_spin_lock+0x14f/0x350
[  396.064151]  ? find_held_lock+0x36/0x1c0
[  396.068223]  ? zap_class+0x640/0x640
[  396.071961]  ? pvclock_read_flags+0x160/0x160
[  396.076468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.082021]  ? check_preemption_disabled+0x48/0x280
[  396.087061]  ? __lock_is_held+0xb5/0x140
[  396.091132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.096691]  ? check_preemption_disabled+0x48/0x280
[  396.101740]  run_timer_softirq+0x52/0xb0
[  396.105820]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.110848]  __do_softirq+0x308/0xb7e
[  396.114664]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.119168]  ? lock_downgrade+0x900/0x900
[  396.123333]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.128462]  ? pvclock_read_flags+0x160/0x160
[  396.132977]  ? lapic_next_event+0x5a/0x90
[  396.137138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.142696]  ? kvm_clock_read+0x18/0x30
[  396.146686]  ? kvm_sched_clock_read+0x9/0x20
[  396.151108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.156656]  ? check_preemption_disabled+0x48/0x280
[  396.161691]  irq_exit+0x17f/0x1c0
[  396.165161]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.170009]  ? smp_reschedule_interrupt+0x109/0x650
[  396.175032]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.180925]  ? interrupt_entry+0xb5/0xc0
[  396.185010]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.190039]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.195071]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.199923]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.204970]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.209999]  ? task_prio+0x50/0x50
[  396.213546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.219088]  ? check_preemption_disabled+0x48/0x280
[  396.224115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.228993]  apic_timer_interrupt+0xf/0x20
[  396.233228]  </IRQ>
[  396.235475] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  396.240417] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  396.259337] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  396.267056] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  396.274335] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  396.281614] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  396.288887] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  396.296162] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  396.303487]  skb_clone+0x1bb/0x500
[  396.307036]  ? finish_task_switch+0x1b4/0x910
[  396.311540]  ? skb_split+0x11e0/0x11e0
[  396.315440]  ? preempt_notifier_register+0x200/0x200
[  396.320545]  ? __switch_to_asm+0x34/0x70
[  396.324608]  ? __switch_to_asm+0x34/0x70
[  396.328669]  ? __switch_to_asm+0x40/0x70
[  396.332732]  ? __switch_to_asm+0x34/0x70
[  396.336796]  ? __switch_to_asm+0x40/0x70
[  396.340856]  ? __switch_to_asm+0x34/0x70
[  396.344918]  ? __switch_to_asm+0x40/0x70
[  396.348991]  ? __switch_to_asm+0x34/0x70
[  396.353065]  ? __switch_to_asm+0x34/0x70
[  396.357127]  ? __switch_to_asm+0x40/0x70
[  396.361192]  ? __switch_to_asm+0x34/0x70
[  396.365289]  bpf_clone_redirect+0xb9/0x490
[  396.369550]  ? __schedule+0x8d7/0x21d0
[  396.373453]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  396.378492]  ? __sched_text_start+0x8/0x8
[  396.382654]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.387271]  ? retint_kernel+0x2d/0x2d
[  396.391182]  ? trace_hardirqs_on_caller+0xc0/0x310
[  396.396135]  ? find_held_lock+0x36/0x1c0
[  396.400228]  ? lock_acquire+0x1ed/0x520
[  396.404226]  ? bpf_test_run+0x3cb/0x780
[  396.408218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.413781]  ? check_preemption_disabled+0x48/0x280
[  396.418820]  ? kasan_check_read+0x11/0x20
[  396.422986]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.428280]  ? rcu_softirq_qs+0x20/0x20
[  396.432271]  ? preempt_schedule+0x4d/0x60
[  396.436434]  ? ___preempt_schedule+0x16/0x18
[  396.440866]  ? bpf_test_run+0x25d/0x780
[  396.444886]  ? netlink_diag_dump+0x2a0/0x2a0
[  396.449318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.454874]  ? bpf_test_init.isra.10+0x70/0x100
[  396.459562]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  396.464342]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  396.469193]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.474761]  ? fput+0x130/0x1a0
[  396.478075]  ? __bpf_prog_get+0x9b/0x290
[  396.482152]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  396.487007]  ? bpf_prog_test_run+0x130/0x1a0
[  396.491426]  ? __x64_sys_bpf+0x3d8/0x520
[  396.495496]  ? bpf_prog_get+0x20/0x20
[  396.499325]  ? do_syscall_64+0x1b9/0x820
[  396.503400]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  396.508798]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.513757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.518633]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.523675]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  396.528724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.534292]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.539324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.544179]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  396.549572] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  396.549659] aoe: skb alloc failure
[  396.556701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.556729] Workqueue: events_power_efficient neigh_periodic_work
[  396.560359] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.569616] Call Trace:
[  396.575848] syz-executor1 cpuset=syz1 mems_allowed=0
[  396.586336]  <IRQ>
[  396.596229]  dump_stack+0x244/0x39d
[  396.599875]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.605097]  warn_alloc.cold.116+0xb7/0x1bd
[  396.609432]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.614301]  ? lock_downgrade+0x900/0x900
[  396.618483]  ? trace_hardirqs_off+0xb8/0x310
[  396.622918]  ? trace_hardirqs_off+0xb8/0x310
[  396.627360]  __alloc_pages_slowpath+0x26e8/0x2e10
[  396.632244]  ? warn_alloc+0x120/0x120
[  396.636061]  ? warn_alloc+0x120/0x120
[  396.639872]  ? warn_alloc+0x120/0x120
[  396.643682]  ? print_usage_bug+0xc0/0xc0
[  396.647758]  ? print_usage_bug+0xc0/0xc0
[  396.651826]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.657037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.662583]  ? should_fail+0x22d/0xd01
[  396.666484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.671596]  ? __lock_acquire+0x62f/0x4c20
[  396.675845]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.680956]  ? __lock_acquire+0x62f/0x4c20
[  396.685197]  ? should_fail+0x22d/0xd01
[  396.689111]  ? mark_held_locks+0x130/0x130
[  396.693367]  ? mark_held_locks+0x130/0x130
[  396.697618]  ? update_stack_state+0x1a5/0x690
[  396.702124]  ? zap_class+0x640/0x640
[  396.705842]  ? ret_from_fork+0x3a/0x50
[  396.709745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.715293]  ? check_preemption_disabled+0x48/0x280
[  396.720333]  ? __lock_is_held+0xb5/0x140
[  396.724407]  __alloc_pages_nodemask+0xa80/0xde0
[  396.729085]  ? zap_class+0x640/0x640
[  396.732810]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.737846]  ? find_held_lock+0x36/0x1c0
[  396.741928]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.746607]  ? lock_downgrade+0x900/0x900
[  396.750774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.756322]  cache_grow_begin+0xa5/0x8c0
[  396.760393]  ? do_raw_spin_unlock+0xa7/0x330
[  396.764821]  fallback_alloc+0x204/0x2e0
[  396.768812]  ____cache_alloc_node+0x1c7/0x1e0
[  396.773316]  kmem_cache_alloc_node+0xe3/0x730
[  396.777822]  ? mark_held_locks+0xc7/0x130
[  396.781988]  __alloc_skb+0x119/0x770
[  396.785716]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.790132]  ? do_raw_spin_trylock+0x270/0x270
[  396.794721]  ? kmem_cache_alloc_trace+0x353/0x750
[  396.799578]  ? queue_work_on+0x12c/0x1e0
[  396.803657]  ? switchdev_port_obj_del+0xdc/0x440
[  396.808421]  ? switchdev_trans_item_enqueue+0x260/0x260
[  396.813793]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  396.818822]  __br_mdb_notify+0x4ff/0x15d0
[  396.822988]  ? __br_mdb_add+0x7f0/0x7f0
[  396.826979]  ? zap_class+0x640/0x640
[  396.830709]  ? br_multicast_group_expired+0x96/0x610
[  396.835817]  ? lock_downgrade+0x900/0x900
[  396.839995]  br_mdb_notify+0x310/0x410
[  396.843898]  ? br_mdb_dump+0x27b0/0x27b0
[  396.847992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.853605]  br_multicast_group_expired+0x1bc/0x610
[  396.858650]  ? br_mdb_free+0x80/0x80
[  396.862385]  call_timer_fn+0x272/0x920
[  396.866289]  ? br_mdb_free+0x80/0x80
[  396.870011]  ? process_timeout+0x40/0x40
[  396.874102]  ? mark_held_locks+0xc7/0x130
[  396.878278]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.882781]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.887281]  ? br_mdb_free+0x80/0x80
[  396.891001]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.895588]  ? trace_hardirqs_on+0xbd/0x310
[  396.899910]  ? kasan_check_read+0x11/0x20
[  396.904570]  ? __run_timers+0x7da/0xc70
[  396.908554]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.913672]  ? br_mdb_free+0x80/0x80
[  396.917399]  ? br_mdb_free+0x80/0x80
[  396.921116]  __run_timers+0x7e5/0xc70
[  396.924930]  ? timer_fixup_init+0x70/0x70
[  396.929089]  ? lock_downgrade+0x900/0x900
[  396.933242]  ? zap_class+0x640/0x640
[  396.936979]  ? print_usage_bug+0xc0/0xc0
[  396.941057]  ? trace_hardirqs_on+0x310/0x310
[  396.945480]  ? kvm_clock_read+0x18/0x30
[  396.949463]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  396.954484]  ? ktime_get+0x2c1/0x400
[  396.958207]  ? zap_class+0x640/0x640
[  396.961936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.967490]  ? check_preemption_disabled+0x48/0x280
[  396.972525]  ? __lock_is_held+0xb5/0x140
[  396.976592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.982140]  ? check_preemption_disabled+0x48/0x280
[  396.987168]  run_timer_softirq+0x52/0xb0
[  396.991239]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.996266]  __do_softirq+0x308/0xb7e
[  397.000083]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.005189]  ? irq_exit+0xbd/0x1c0
[  397.008739]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  397.013764]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.019654]  ? ret_from_intr+0xb/0x1e
[  397.023465]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.028492]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.033343]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.038368]  ? task_prio+0x50/0x50
[  397.041914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.047457]  ? check_preemption_disabled+0x48/0x280
[  397.052486]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.057339]  ? neigh_periodic_work+0x6bd/0xc60
[  397.061929]  do_softirq_own_stack+0x2a/0x40
[  397.066254]  </IRQ>
[  397.068494]  do_softirq.part.14+0x126/0x160
[  397.072817]  __local_bh_enable_ip+0x21d/0x260
[  397.077319]  _raw_write_unlock_bh+0x30/0x40
[  397.081650]  neigh_periodic_work+0x6bd/0xc60
[  397.086075]  ? neigh_table_clear+0x390/0x390
[  397.090490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.096035]  ? check_preemption_disabled+0x48/0x280
[  397.101077]  ? __lock_is_held+0xb5/0x140
[  397.105165]  process_one_work+0xc90/0x1c40
[  397.109410]  ? mark_held_locks+0x130/0x130
[  397.113659]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  397.118329]  ? __switch_to_asm+0x40/0x70
[  397.122394]  ? __switch_to_asm+0x40/0x70
[  397.126455]  ? __switch_to_asm+0x34/0x70
[  397.130514]  ? __switch_to_asm+0x40/0x70
[  397.134593]  ? __switch_to_asm+0x34/0x70
[  397.138652]  ? __switch_to_asm+0x40/0x70
[  397.142716]  ? __switch_to_asm+0x34/0x70
[  397.146776]  ? __switch_to_asm+0x40/0x70
[  397.150850]  ? __schedule+0x8d7/0x21d0
[  397.154747]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.159777]  ? lock_downgrade+0x900/0x900
[  397.163966]  ? zap_class+0x640/0x640
[  397.167685]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.172543]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.177157]  ? lock_acquire+0x1ed/0x520
[  397.181144]  ? worker_thread+0x3e0/0x1390
[  397.185347]  ? kasan_check_read+0x11/0x20
[  397.189497]  ? do_raw_spin_lock+0x14f/0x350
[  397.193819]  ? kasan_check_read+0x11/0x20
[  397.197990]  ? rwlock_bug.part.2+0x90/0x90
[  397.202257]  ? trace_hardirqs_on+0x310/0x310
[  397.206690]  worker_thread+0x17f/0x1390
[  397.210674]  ? __switch_to_asm+0x34/0x70
[  397.214784]  ? process_one_work+0x1c40/0x1c40
[  397.219317]  ? zap_class+0x640/0x640
[  397.223046]  ? find_held_lock+0x36/0x1c0
[  397.227136]  ? __kthread_parkme+0xce/0x1a0
[  397.231378]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  397.236483]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  397.241592]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.246186]  ? trace_hardirqs_on+0xbd/0x310
[  397.250517]  ? kasan_check_read+0x11/0x20
[  397.254675]  ? __kthread_parkme+0xce/0x1a0
[  397.258918]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.264031]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.269145]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  397.274256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.279801]  ? __kthread_parkme+0xfb/0x1a0
[  397.284043]  ? process_one_work+0x1c40/0x1c40
[  397.288546]  kthread+0x35a/0x440
[  397.291920]  ? kthread_stop+0x900/0x900
[  397.295900]  ret_from_fork+0x3a/0x50
[  397.299662] warn_alloc_show_mem: 1 callbacks suppressed
[  397.299675] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  397.299677] Mem-Info:
[  397.299709] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  397.299709]  active_file:16 inactive_file:3 isolated_file:0
[  397.299709]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.299709]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  397.299709]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  397.299709]  free:13690 free_pcp:879 free_cma:0
[  397.305071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.312464] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  397.314882] Call Trace:
[  397.347856] 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
[  397.357235]  <IRQ>
[  397.357264]  dump_stack+0x244/0x39d
[  397.385099] lowmem_reserve[]: 0 2818 6321 6321
[  397.387759]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.413834] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  397.415997]  warn_alloc.cold.116+0xb7/0x1bd
[  397.419591] lowmem_reserve[]: 0 0 3503 3503
[  397.424176]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.429347] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  397.456947]  ? lock_downgrade+0x900/0x900
[  397.461254] lowmem_reserve[]: 0 0 0 0
[  397.465584]  ? trace_hardirqs_off+0xb8/0x310
[  397.470400] 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
[  397.499744]  ? trace_hardirqs_off+0xb8/0x310
[  397.504906] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  397.508712]  __alloc_pages_slowpath+0x26e8/0x2e10
[  397.513097] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  397.526654]  ? warn_alloc+0x120/0x120
[  397.531023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.546285]  ? warn_alloc+0x120/0x120
[  397.551156] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.565125]  ? warn_alloc+0x120/0x120
[  397.568908] 4380 total pagecache pages
[  397.577746]  ? print_usage_bug+0xc0/0xc0
[  397.581536] 0 pages in swap cache
[  397.590101]  ? print_usage_bug+0xc0/0xc0
[  397.593884] Swap cache stats: add 0, delete 0, find 0/0
[  397.597768]  ? ktime_get+0x2c1/0x400
[  397.601823] Free swap  = 0kB
[  397.605276]  ? check_preemption_disabled+0x48/0x280
[  397.609312] Total swap = 0kB
[  397.614673]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.618374] 1965979 pages RAM
[  397.621392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.626385] 0 pages HighMem/MovableOnly
[  397.629402]  ? should_fail+0x22d/0xd01
[  397.633873] 342854 pages reserved
[  397.633882] 0 pages cma reserved
[  397.637000]  ? kasan_check_read+0x11/0x20
[  397.642684] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.646498]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.650365] kworker/0:2 cpuset=/ mems_allowed=0
[  397.653830]  ? __lock_acquire+0x62f/0x4c20
[  397.685665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.690786]  ? should_fail+0x22d/0xd01
[  397.694682]  ? print_usage_bug+0xc0/0xc0
[  397.698771]  ? mark_held_locks+0x130/0x130
[  397.703011]  ? mark_held_locks+0x130/0x130
[  397.707255]  ? check_preemption_disabled+0x48/0x280
[  397.712286]  ? zap_class+0x640/0x640
[  397.716010]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  397.720772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.726342]  ? check_preemption_disabled+0x48/0x280
[  397.731370]  ? __lock_is_held+0xb5/0x140
[  397.735440]  __alloc_pages_nodemask+0xa80/0xde0
[  397.740115]  ? zap_class+0x640/0x640
[  397.743853]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.748891]  ? find_held_lock+0x36/0x1c0
[  397.752968]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.757649]  ? lock_downgrade+0x900/0x900
[  397.761820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.767364]  cache_grow_begin+0xa5/0x8c0
[  397.771434]  ? do_raw_spin_unlock+0xa7/0x330
[  397.775852]  fallback_alloc+0x204/0x2e0
[  397.779838]  ____cache_alloc_node+0x1c7/0x1e0
[  397.784341]  kmem_cache_alloc_node+0xe3/0x730
[  397.788844]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.793444]  __alloc_skb+0x119/0x770
[  397.797162]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  397.802535]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.806953]  ? vprintk_default+0x28/0x30
[  397.811033]  ? vprintk_func+0x85/0x181
[  397.814937]  ? printk+0xa7/0xcf
[  397.818238]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  397.823013]  new_skb+0x26/0x1c0
[  397.826295]  aoecmd_cfg+0x279/0x7f0
[  397.829926]  ? find_held_lock+0x36/0x1c0
[  397.833989]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  397.838322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.843874]  ? __lock_is_held+0xb5/0x140
[  397.847985]  discover_timer+0x50/0x60
[  397.851803]  call_timer_fn+0x272/0x920
[  397.855696]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  397.860564]  ? process_timeout+0x40/0x40
[  397.864649]  ? __run_timers+0x7da/0xc70
[  397.868626]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.873122]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.877617]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  397.882464]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.887051]  ? trace_hardirqs_on+0xbd/0x310
[  397.891378]  ? kasan_check_read+0x11/0x20
[  397.895530]  ? __run_timers+0x7da/0xc70
[  397.899540]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.904659]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  397.909500]  __run_timers+0x7e5/0xc70
[  397.913317]  ? timer_fixup_init+0x70/0x70
[  397.917471]  ? lock_acquire+0x1ed/0x520
[  397.921446]  ? zap_class+0x640/0x640
[  397.925165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.930719]  ? kasan_check_read+0x11/0x20
[  397.934895]  ? do_raw_spin_lock+0x14f/0x350
[  397.939241]  ? find_held_lock+0x36/0x1c0
[  397.943311]  ? zap_class+0x640/0x640
[  397.947031]  ? pvclock_read_flags+0x160/0x160
[  397.951529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.957073]  ? check_preemption_disabled+0x48/0x280
[  397.962100]  ? __lock_is_held+0xb5/0x140
[  397.966163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.971702]  ? check_preemption_disabled+0x48/0x280
[  397.976760]  run_timer_softirq+0x52/0xb0
[  397.980824]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.985855]  __do_softirq+0x308/0xb7e
[  397.989659]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.994153]  ? lock_downgrade+0x900/0x900
[  397.998328]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.003441]  ? pvclock_read_flags+0x160/0x160
[  398.007962]  ? lapic_next_event+0x5a/0x90
[  398.012424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.017977]  ? kvm_clock_read+0x18/0x30
[  398.021961]  ? kvm_sched_clock_read+0x9/0x20
[  398.026380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.031924]  ? check_preemption_disabled+0x48/0x280
[  398.036976]  irq_exit+0x17f/0x1c0
[  398.040466]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.045311]  ? smp_reschedule_interrupt+0x109/0x650
[  398.050333]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.056241]  ? interrupt_entry+0xb5/0xc0
[  398.060308]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.065327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.070348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.075192]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.080214]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.085235]  ? task_prio+0x50/0x50
[  398.088784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.094350]  ? check_preemption_disabled+0x48/0x280
[  398.099376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.104231]  apic_timer_interrupt+0xf/0x20
[  398.108463]  </IRQ>
[  398.110709] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  398.115649] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  398.134551] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  398.142259] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  398.149527] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  398.156795] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  398.164064] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  398.171334] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  398.178661]  skb_clone+0x1bb/0x500
[  398.182254]  ? finish_task_switch+0x1b4/0x910
[  398.186767]  ? skb_split+0x11e0/0x11e0
[  398.190657]  ? preempt_notifier_register+0x200/0x200
[  398.195785]  ? __switch_to_asm+0x34/0x70
[  398.199844]  ? __switch_to_asm+0x34/0x70
[  398.203906]  ? __switch_to_asm+0x40/0x70
[  398.207971]  ? __switch_to_asm+0x34/0x70
[  398.212032]  ? __switch_to_asm+0x40/0x70
[  398.216091]  ? __switch_to_asm+0x34/0x70
[  398.220148]  ? __switch_to_asm+0x40/0x70
[  398.224211]  ? __switch_to_asm+0x34/0x70
[  398.228277]  ? __switch_to_asm+0x34/0x70
[  398.232335]  ? __switch_to_asm+0x40/0x70
[  398.236395]  ? __switch_to_asm+0x34/0x70
[  398.240465]  bpf_clone_redirect+0xb9/0x490
[  398.244702]  ? __schedule+0x8d7/0x21d0
[  398.248606]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  398.253665]  ? __sched_text_start+0x8/0x8
[  398.257851]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.262445]  ? retint_kernel+0x2d/0x2d
[  398.266340]  ? trace_hardirqs_on_caller+0xc0/0x310
[  398.271280]  ? find_held_lock+0x36/0x1c0
[  398.275353]  ? lock_acquire+0x1ed/0x520
[  398.279338]  ? bpf_test_run+0x3cb/0x780
[  398.283316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.288861]  ? check_preemption_disabled+0x48/0x280
[  398.293885]  ? kasan_check_read+0x11/0x20
[  398.298039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.303318]  ? rcu_softirq_qs+0x20/0x20
[  398.307297]  ? preempt_schedule+0x4d/0x60
[  398.311447]  ? ___preempt_schedule+0x16/0x18
[  398.315864]  ? bpf_test_run+0x25d/0x780
[  398.319854]  ? netlink_diag_dump+0x2a0/0x2a0
[  398.324271]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.329808]  ? bpf_test_init.isra.10+0x70/0x100
[  398.334482]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  398.339250]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  398.344122]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  398.349665]  ? fput+0x130/0x1a0
[  398.352964]  ? __bpf_prog_get+0x9b/0x290
[  398.357044]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  398.361921]  ? bpf_prog_test_run+0x130/0x1a0
[  398.366355]  ? __x64_sys_bpf+0x3d8/0x520
[  398.370419]  ? bpf_prog_get+0x20/0x20
[  398.374242]  ? do_syscall_64+0x1b9/0x820
[  398.378310]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  398.383680]  ? syscall_return_slowpath+0x5e0/0x5e0
[  398.388617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.393466]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.398484]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  398.403507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.409045]  ? prepare_exit_to_usermode+0x291/0x3b0
[  398.414070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.418923]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  398.424316] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  398.424399] aoe: skb alloc failure
[  398.431429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.431453] Workqueue: events_power_efficient neigh_periodic_work
[  398.431461] Call Trace:
[  398.431472]  <IRQ>
[  398.435046] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.444376]  dump_stack+0x244/0x39d
[  398.450587] syz-executor1 cpuset=syz1 mems_allowed=0
[  398.453176]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.479682]  warn_alloc.cold.116+0xb7/0x1bd
[  398.484008]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.488860]  ? lock_downgrade+0x900/0x900
[  398.493021]  ? trace_hardirqs_off+0xb8/0x310
[  398.497455]  ? trace_hardirqs_off+0xb8/0x310
[  398.501872]  __alloc_pages_slowpath+0x26e8/0x2e10
[  398.506742]  ? warn_alloc+0x120/0x120
[  398.510549]  ? warn_alloc+0x120/0x120
[  398.514359]  ? warn_alloc+0x120/0x120
[  398.518167]  ? print_usage_bug+0xc0/0xc0
[  398.522238]  ? print_usage_bug+0xc0/0xc0
[  398.526305]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.531507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.537047]  ? should_fail+0x22d/0xd01
[  398.540958]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.546068]  ? __lock_acquire+0x62f/0x4c20
[  398.550310]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.555414]  ? __lock_acquire+0x62f/0x4c20
[  398.559648]  ? should_fail+0x22d/0xd01
[  398.563550]  ? mark_held_locks+0x130/0x130
[  398.567795]  ? mark_held_locks+0x130/0x130
[  398.572054]  ? update_stack_state+0x1a5/0x690
[  398.576572]  ? zap_class+0x640/0x640
[  398.580291]  ? ret_from_fork+0x3a/0x50
[  398.584190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.589750]  ? check_preemption_disabled+0x48/0x280
[  398.594829]  ? __lock_is_held+0xb5/0x140
[  398.598913]  __alloc_pages_nodemask+0xa80/0xde0
[  398.603595]  ? zap_class+0x640/0x640
[  398.607317]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.612349]  ? find_held_lock+0x36/0x1c0
[  398.616462]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.621144]  ? lock_downgrade+0x900/0x900
[  398.625304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.630852]  cache_grow_begin+0xa5/0x8c0
[  398.634919]  ? do_raw_spin_unlock+0xa7/0x330
[  398.639334]  fallback_alloc+0x204/0x2e0
[  398.643320]  ____cache_alloc_node+0x1c7/0x1e0
[  398.647824]  kmem_cache_alloc_node+0xe3/0x730
[  398.652327]  ? mark_held_locks+0xc7/0x130
[  398.656488]  __alloc_skb+0x119/0x770
[  398.660229]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.664645]  ? do_raw_spin_trylock+0x270/0x270
[  398.669248]  ? kmem_cache_alloc_trace+0x353/0x750
[  398.674099]  ? queue_work_on+0x12c/0x1e0
[  398.678176]  ? switchdev_port_obj_del+0xdc/0x440
[  398.682935]  ? switchdev_trans_item_enqueue+0x260/0x260
[  398.688309]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  398.693350]  __br_mdb_notify+0x4ff/0x15d0
[  398.697521]  ? __br_mdb_add+0x7f0/0x7f0
[  398.701511]  ? zap_class+0x640/0x640
[  398.705264]  ? br_multicast_group_expired+0x96/0x610
[  398.710380]  ? lock_downgrade+0x900/0x900
[  398.714551]  br_mdb_notify+0x310/0x410
[  398.718443]  ? br_mdb_dump+0x27b0/0x27b0
[  398.722512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.728062]  br_multicast_group_expired+0x1bc/0x610
[  398.733083]  ? br_mdb_free+0x80/0x80
[  398.736815]  call_timer_fn+0x272/0x920
[  398.740707]  ? br_mdb_free+0x80/0x80
[  398.744426]  ? process_timeout+0x40/0x40
[  398.748502]  ? mark_held_locks+0xc7/0x130
[  398.752666]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.757169]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.761686]  ? br_mdb_free+0x80/0x80
[  398.765402]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.769992]  ? trace_hardirqs_on+0xbd/0x310
[  398.774319]  ? kasan_check_read+0x11/0x20
[  398.778467]  ? __run_timers+0x7da/0xc70
[  398.782442]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.787554]  ? br_mdb_free+0x80/0x80
[  398.791276]  ? br_mdb_free+0x80/0x80
[  398.794994]  __run_timers+0x7e5/0xc70
[  398.798808]  ? timer_fixup_init+0x70/0x70
[  398.802976]  ? lock_downgrade+0x900/0x900
[  398.807164]  ? zap_class+0x640/0x640
[  398.810928]  ? print_usage_bug+0xc0/0xc0
[  398.815016]  ? trace_hardirqs_on+0x310/0x310
[  398.819438]  ? kvm_clock_read+0x18/0x30
[  398.823419]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  398.828438]  ? ktime_get+0x2c1/0x400
[  398.832159]  ? zap_class+0x640/0x640
[  398.835894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.841449]  ? check_preemption_disabled+0x48/0x280
[  398.846485]  ? __lock_is_held+0xb5/0x140
[  398.850551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.856093]  ? check_preemption_disabled+0x48/0x280
[  398.861121]  run_timer_softirq+0x52/0xb0
[  398.865241]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.870264]  __do_softirq+0x308/0xb7e
[  398.874103]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.879204]  ? irq_exit+0xbd/0x1c0
[  398.882747]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  398.887767]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.893656]  ? ret_from_intr+0xb/0x1e
[  398.897480]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.903044]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.907889]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.912923]  ? task_prio+0x50/0x50
[  398.916483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.922026]  ? check_preemption_disabled+0x48/0x280
[  398.927056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.931908]  ? neigh_periodic_work+0x6bd/0xc60
[  398.936495]  do_softirq_own_stack+0x2a/0x40
[  398.940810]  </IRQ>
[  398.943053]  do_softirq.part.14+0x126/0x160
[  398.947376]  __local_bh_enable_ip+0x21d/0x260
[  398.951876]  _raw_write_unlock_bh+0x30/0x40
[  398.956239]  neigh_periodic_work+0x6bd/0xc60
[  398.960666]  ? neigh_table_clear+0x390/0x390
[  398.965106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.970649]  ? check_preemption_disabled+0x48/0x280
[  398.975693]  ? __lock_is_held+0xb5/0x140
[  398.979771]  process_one_work+0xc90/0x1c40
[  398.984036]  ? mark_held_locks+0x130/0x130
[  398.988287]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  398.992958]  ? __switch_to_asm+0x40/0x70
[  398.997022]  ? __switch_to_asm+0x40/0x70
[  399.001081]  ? __switch_to_asm+0x34/0x70
[  399.005145]  ? __switch_to_asm+0x40/0x70
[  399.009208]  ? __switch_to_asm+0x34/0x70
[  399.013275]  ? __switch_to_asm+0x40/0x70
[  399.017336]  ? __switch_to_asm+0x34/0x70
[  399.021399]  ? __switch_to_asm+0x40/0x70
[  399.025469]  ? __schedule+0x8d7/0x21d0
[  399.029365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.034393]  ? lock_downgrade+0x900/0x900
[  399.038555]  ? zap_class+0x640/0x640
[  399.042270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.047125]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.051726]  ? lock_acquire+0x1ed/0x520
[  399.055705]  ? worker_thread+0x3e0/0x1390
[  399.059864]  ? kasan_check_read+0x11/0x20
[  399.064033]  ? do_raw_spin_lock+0x14f/0x350
[  399.068354]  ? kasan_check_read+0x11/0x20
[  399.072505]  ? rwlock_bug.part.2+0x90/0x90
[  399.076742]  ? trace_hardirqs_on+0x310/0x310
[  399.081172]  worker_thread+0x17f/0x1390
[  399.085148]  ? __switch_to_asm+0x34/0x70
[  399.089231]  ? process_one_work+0x1c40/0x1c40
[  399.093742]  ? zap_class+0x640/0x640
[  399.097459]  ? find_held_lock+0x36/0x1c0
[  399.101553]  ? __kthread_parkme+0xce/0x1a0
[  399.105797]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  399.110902]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  399.116015]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.120603]  ? trace_hardirqs_on+0xbd/0x310
[  399.124958]  ? kasan_check_read+0x11/0x20
[  399.129114]  ? __kthread_parkme+0xce/0x1a0
[  399.133354]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.138460]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.143574]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  399.148682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.154244]  ? __kthread_parkme+0xfb/0x1a0
[  399.158489]  ? process_one_work+0x1c40/0x1c40
[  399.162993]  kthread+0x35a/0x440
[  399.166366]  ? kthread_stop+0x900/0x900
[  399.170345]  ret_from_fork+0x3a/0x50
[  399.174078] warn_alloc_show_mem: 1 callbacks suppressed
[  399.174091] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  399.174093] Mem-Info:
[  399.174124] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  399.174124]  active_file:16 inactive_file:3 isolated_file:0
[  399.174124]  unevictable:0 dirty:0 writeback:0 unstable:0
[  399.174124]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  399.174124]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  399.174124]  free:13690 free_pcp:879 free_cma:0
[  399.179477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.186846] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  399.189253] Call Trace:
[  399.222222] 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
[  399.231594]  <IRQ>
[  399.259431] lowmem_reserve[]: 0 2818 6321 6321
[  399.262025]  dump_stack+0x244/0x39d
[  399.288130] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  399.290292]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.294845] lowmem_reserve[]: 0 0 3503 3503
[  399.298480]  warn_alloc.cold.116+0xb7/0x1bd
[  399.326053] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  399.331250]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.335555] lowmem_reserve[]: 0 0 0 0
[  399.339880]  ? lock_downgrade+0x900/0x900
[  399.369199] 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
[  399.374085]  ? trace_hardirqs_off+0xb8/0x310
[  399.377847] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  399.381995]  ? trace_hardirqs_off+0xb8/0x310
[  399.395503] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  399.399925]  __alloc_pages_slowpath+0x26e8/0x2e10
[  399.415173] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  399.419646]  ? warn_alloc+0x120/0x120
[  399.433546] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  399.438384]  ? warn_alloc+0x120/0x120
[  399.447199] 4380 total pagecache pages
[  399.451012]  ? __lock_acquire+0x62f/0x4c20
[  399.459568] 0 pages in swap cache
[  399.463364]  ? warn_alloc+0x120/0x120
[  399.467242] Swap cache stats: add 0, delete 0, find 0/0
[  399.471484]  ? print_usage_bug+0xc0/0xc0
[  399.474919] Free swap  = 0kB
[  399.478731]  ? print_usage_bug+0xc0/0xc0
[  399.484070] Total swap = 0kB
[  399.488140]  ? mark_held_locks+0x130/0x130
[  399.491146] 1965979 pages RAM
[  399.495212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.498206] 0 pages HighMem/MovableOnly
[  399.498220] 342854 pages reserved
[  399.502446]  ? should_fail+0x22d/0xd01
[  399.505533] 0 pages cma reserved
[  399.511098]  ? zap_class+0x640/0x640
[  399.515388] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.518517]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.522386] kworker/0:2 cpuset=/ mems_allowed=0
[  399.525782]  ? __lock_acquire+0x62f/0x4c20
[  399.553763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.558871]  ? should_fail+0x22d/0xd01
[  399.562778]  ? mark_held_locks+0x130/0x130
[  399.567018]  ? mark_held_locks+0x130/0x130
[  399.571262]  ? lock_downgrade+0x900/0x900
[  399.575412]  ? zap_class+0x640/0x640
[  399.579133]  ? zap_class+0x640/0x640
[  399.582852]  ? zap_class+0x640/0x640
[  399.586569]  ? do_raw_spin_unlock+0xa7/0x330
[  399.590989]  ? trace_hardirqs_on+0x310/0x310
[  399.595402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.600944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.606496]  ? check_preemption_disabled+0x48/0x280
[  399.611528]  ? __lock_is_held+0xb5/0x140
[  399.615605]  __alloc_pages_nodemask+0xa80/0xde0
[  399.620277]  ? zap_class+0x640/0x640
[  399.624010]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.629042]  ? find_held_lock+0x36/0x1c0
[  399.633116]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.637814]  ? lock_downgrade+0x900/0x900
[  399.642035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.647600]  cache_grow_begin+0xa5/0x8c0
[  399.651677]  ? do_raw_spin_unlock+0xa7/0x330
[  399.656097]  fallback_alloc+0x204/0x2e0
[  399.660086]  ____cache_alloc_node+0x1c7/0x1e0
[  399.664592]  kmem_cache_alloc_node+0xe3/0x730
[  399.669092]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.673685]  __alloc_skb+0x119/0x770
[  399.677403]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  399.682780]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.687204]  ? vprintk_default+0x28/0x30
[  399.691271]  ? vprintk_func+0x85/0x181
[  399.695161]  ? printk+0xa7/0xcf
[  399.698443]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  399.703213]  new_skb+0x26/0x1c0
[  399.706496]  aoecmd_cfg+0x279/0x7f0
[  399.710127]  ? find_held_lock+0x36/0x1c0
[  399.714197]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  399.718529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.724081]  ? __lock_is_held+0xb5/0x140
[  399.728156]  discover_timer+0x50/0x60
[  399.731977]  call_timer_fn+0x272/0x920
[  399.735871]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  399.740721]  ? process_timeout+0x40/0x40
[  399.744803]  ? __run_timers+0x7da/0xc70
[  399.748796]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.753290]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.757790]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  399.762641]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.767230]  ? trace_hardirqs_on+0xbd/0x310
[  399.771555]  ? kasan_check_read+0x11/0x20
[  399.775741]  ? __run_timers+0x7da/0xc70
[  399.779735]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.784894]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  399.789740]  __run_timers+0x7e5/0xc70
[  399.793554]  ? timer_fixup_init+0x70/0x70
[  399.797739]  ? lock_acquire+0x1ed/0x520
[  399.801724]  ? zap_class+0x640/0x640
[  399.805445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.810991]  ? kasan_check_read+0x11/0x20
[  399.815148]  ? do_raw_spin_lock+0x14f/0x350
[  399.819480]  ? find_held_lock+0x36/0x1c0
[  399.823552]  ? zap_class+0x640/0x640
[  399.827274]  ? pvclock_read_flags+0x160/0x160
[  399.831815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.837373]  ? check_preemption_disabled+0x48/0x280
[  399.842400]  ? __lock_is_held+0xb5/0x140
[  399.846469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.852026]  ? check_preemption_disabled+0x48/0x280
[  399.857064]  run_timer_softirq+0x52/0xb0
[  399.861126]  ? rcu_read_lock_sched_held+0x14f/0x180
[  399.866146]  __do_softirq+0x308/0xb7e
[  399.869974]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  399.874476]  ? lock_downgrade+0x900/0x900
[  399.878631]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  399.883749]  ? pvclock_read_flags+0x160/0x160
[  399.888249]  ? lapic_next_event+0x5a/0x90
[  399.892403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.897949]  ? kvm_clock_read+0x18/0x30
[  399.901944]  ? kvm_sched_clock_read+0x9/0x20
[  399.906373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.911914]  ? check_preemption_disabled+0x48/0x280
[  399.916947]  irq_exit+0x17f/0x1c0
[  399.920414]  smp_apic_timer_interrupt+0x1cb/0x760
[  399.925256]  ? smp_reschedule_interrupt+0x109/0x650
[  399.930292]  ? smp_call_function_single_interrupt+0x650/0x650
[  399.936182]  ? interrupt_entry+0xb5/0xc0
[  399.940277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.945303]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.950335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.955181]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.960199]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.965223]  ? task_prio+0x50/0x50
[  399.968773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.974329]  ? check_preemption_disabled+0x48/0x280
[  399.979353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.984210]  apic_timer_interrupt+0xf/0x20
[  399.988443]  </IRQ>
[  399.990698] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  399.995634] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  400.014996] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  400.022723] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  400.029996] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  400.037263] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  400.044529] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  400.051799] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  400.059118]  skb_clone+0x1bb/0x500
[  400.062665]  ? finish_task_switch+0x1b4/0x910
[  400.067164]  ? skb_split+0x11e0/0x11e0
[  400.071058]  ? preempt_notifier_register+0x200/0x200
[  400.076162]  ? __switch_to_asm+0x34/0x70
[  400.080226]  ? __switch_to_asm+0x34/0x70
[  400.084289]  ? __switch_to_asm+0x40/0x70
[  400.088360]  ? __switch_to_asm+0x34/0x70
[  400.092422]  ? __switch_to_asm+0x40/0x70
[  400.096480]  ? __switch_to_asm+0x34/0x70
[  400.100542]  ? __switch_to_asm+0x40/0x70
[  400.104603]  ? __switch_to_asm+0x34/0x70
[  400.108664]  ? __switch_to_asm+0x34/0x70
[  400.112727]  ? __switch_to_asm+0x40/0x70
[  400.116782]  ? __switch_to_asm+0x34/0x70
[  400.120859]  bpf_clone_redirect+0xb9/0x490
[  400.125097]  ? __schedule+0x8d7/0x21d0
[  400.128996]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  400.134017]  ? __sched_text_start+0x8/0x8
[  400.138173]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.142760]  ? retint_kernel+0x2d/0x2d
[  400.146683]  ? trace_hardirqs_on_caller+0xc0/0x310
[  400.151631]  ? find_held_lock+0x36/0x1c0
[  400.155724]  ? lock_acquire+0x1ed/0x520
[  400.159705]  ? bpf_test_run+0x3cb/0x780
[  400.163691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.169237]  ? check_preemption_disabled+0x48/0x280
[  400.174266]  ? kasan_check_read+0x11/0x20
[  400.178414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.183703]  ? rcu_softirq_qs+0x20/0x20
[  400.187708]  ? preempt_schedule+0x4d/0x60
[  400.191877]  ? ___preempt_schedule+0x16/0x18
[  400.196297]  ? bpf_test_run+0x25d/0x780
[  400.200289]  ? netlink_diag_dump+0x2a0/0x2a0
[  400.204711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.210256]  ? bpf_test_init.isra.10+0x70/0x100
[  400.214934]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  400.219710]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.224563]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  400.230103]  ? fput+0x130/0x1a0
[  400.233384]  ? __bpf_prog_get+0x9b/0x290
[  400.237450]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.242298]  ? bpf_prog_test_run+0x130/0x1a0
[  400.246742]  ? __x64_sys_bpf+0x3d8/0x520
[  400.250819]  ? bpf_prog_get+0x20/0x20
[  400.254644]  ? do_syscall_64+0x1b9/0x820
[  400.258705]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  400.264079]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.269010]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.273887]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.278921]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.283945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.289495]  ? prepare_exit_to_usermode+0x291/0x3b0
[  400.294522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.299376]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  400.304821] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  400.304901] aoe: skb alloc failure
[  400.311962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.311986] Workqueue: events_power_efficient neigh_periodic_work
[  400.311998] Call Trace:
[  400.312008]  <IRQ>
[  400.315576] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.324930]  dump_stack+0x244/0x39d
[  400.331139] syz-executor1 cpuset=syz1 mems_allowed=0
[  400.333733]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.360245]  warn_alloc.cold.116+0xb7/0x1bd
[  400.364575]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.369433]  ? lock_downgrade+0x900/0x900
[  400.373597]  ? trace_hardirqs_off+0xb8/0x310
[  400.378015]  ? trace_hardirqs_off+0xb8/0x310
[  400.382432]  __alloc_pages_slowpath+0x26e8/0x2e10
[  400.387307]  ? warn_alloc+0x120/0x120
[  400.391122]  ? warn_alloc+0x120/0x120
[  400.394930]  ? warn_alloc+0x120/0x120
[  400.398762]  ? print_usage_bug+0xc0/0xc0
[  400.402826]  ? check_preemption_disabled+0x48/0x280
[  400.407869]  ? print_usage_bug+0xc0/0xc0
[  400.412107]  ? kasan_check_read+0x11/0x20
[  400.416267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.421550]  ? rcu_softirq_qs+0x20/0x20
[  400.425533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.431073]  ? should_fail+0x22d/0xd01
[  400.434967]  ? __lock_acquire+0x62f/0x4c20
[  400.439208]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.444322]  ? __lock_acquire+0x62f/0x4c20
[  400.448577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.453694]  ? __lock_acquire+0x62f/0x4c20
[  400.457946]  ? should_fail+0x22d/0xd01
[  400.461867]  ? mark_held_locks+0x130/0x130
[  400.466114]  ? mark_held_locks+0x130/0x130
[  400.470352]  ? __enqueue_entity+0x10d/0x1f0
[  400.474680]  ? zap_class+0x640/0x640
[  400.478402]  ? print_usage_bug+0xc0/0xc0
[  400.482473]  ? enqueue_entity+0x34b/0x20a0
[  400.486714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.492268]  ? check_preemption_disabled+0x48/0x280
[  400.497295]  ? __lock_is_held+0xb5/0x140
[  400.501364]  __alloc_pages_nodemask+0xa80/0xde0
[  400.506039]  ? zap_class+0x640/0x640
[  400.509761]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.514802]  ? find_held_lock+0x36/0x1c0
[  400.518905]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.523603]  ? lock_downgrade+0x900/0x900
[  400.527761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.533313]  cache_grow_begin+0xa5/0x8c0
[  400.537381]  ? do_raw_spin_unlock+0xa7/0x330
[  400.541797]  fallback_alloc+0x204/0x2e0
[  400.545785]  ____cache_alloc_node+0x1c7/0x1e0
[  400.550290]  kmem_cache_alloc_node+0xe3/0x730
[  400.554788]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.559037]  __alloc_skb+0x119/0x770
[  400.562770]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.568574]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.572985]  ? lock_downgrade+0x900/0x900
[  400.577147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.582689]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.588172]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.593631]  ? addrconf_rs_timer+0x690/0x690
[  400.598074]  ndisc_alloc_skb+0x144/0x340
[  400.602142]  ndisc_send_rs+0x331/0x6e0
[  400.606037]  addrconf_rs_timer+0x314/0x690
[  400.610286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.614536]  call_timer_fn+0x272/0x920
[  400.618424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.622662]  ? process_timeout+0x40/0x40
[  400.626735]  ? mark_held_locks+0xc7/0x130
[  400.630888]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.635386]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.639907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.644141]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.648727]  ? trace_hardirqs_on+0xbd/0x310
[  400.653050]  ? kasan_check_read+0x11/0x20
[  400.657203]  ? __run_timers+0x7da/0xc70
[  400.661189]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.666314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.670552]  __run_timers+0x7e5/0xc70
[  400.674363]  ? timer_fixup_init+0x70/0x70
[  400.678513]  ? lock_downgrade+0x900/0x900
[  400.682664]  ? zap_class+0x640/0x640
[  400.686388]  ? print_usage_bug+0xc0/0xc0
[  400.690452]  ? trace_hardirqs_on+0x310/0x310
[  400.694873]  ? kvm_clock_read+0x18/0x30
[  400.698856]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  400.703878]  ? ktime_get+0x2c1/0x400
[  400.707600]  ? zap_class+0x640/0x640
[  400.711323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.716890]  ? check_preemption_disabled+0x48/0x280
[  400.721936]  ? __lock_is_held+0xb5/0x140
[  400.726011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.731551]  ? check_preemption_disabled+0x48/0x280
[  400.736579]  run_timer_softirq+0x52/0xb0
[  400.740643]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.745672]  __do_softirq+0x308/0xb7e
[  400.749489]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.754591]  ? irq_exit+0xbd/0x1c0
[  400.758133]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  400.763151]  ? smp_call_function_single_interrupt+0x650/0x650
[  400.769077]  ? ret_from_intr+0xb/0x1e
[  400.772881]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.777914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.782763]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.787782]  ? task_prio+0x50/0x50
[  400.791329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.796869]  ? check_preemption_disabled+0x48/0x280
[  400.801894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.806741]  ? neigh_periodic_work+0x6bd/0xc60
[  400.811354]  do_softirq_own_stack+0x2a/0x40
[  400.815670]  </IRQ>
[  400.817915]  do_softirq.part.14+0x126/0x160
[  400.822240]  __local_bh_enable_ip+0x21d/0x260
[  400.826741]  _raw_write_unlock_bh+0x30/0x40
[  400.831069]  neigh_periodic_work+0x6bd/0xc60
[  400.835518]  ? neigh_table_clear+0x390/0x390
[  400.839939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.845480]  ? check_preemption_disabled+0x48/0x280
[  400.850509]  ? __lock_is_held+0xb5/0x140
[  400.854588]  process_one_work+0xc90/0x1c40
[  400.858832]  ? mark_held_locks+0x130/0x130
[  400.863083]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  400.867751]  ? __switch_to_asm+0x40/0x70
[  400.871811]  ? __switch_to_asm+0x40/0x70
[  400.875870]  ? __switch_to_asm+0x34/0x70
[  400.879930]  ? __switch_to_asm+0x40/0x70
[  400.883993]  ? __switch_to_asm+0x34/0x70
[  400.888068]  ? __switch_to_asm+0x40/0x70
[  400.892130]  ? __switch_to_asm+0x34/0x70
[  400.896192]  ? __switch_to_asm+0x40/0x70
[  400.900267]  ? __schedule+0x8d7/0x21d0
[  400.904655]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.909735]  ? lock_downgrade+0x900/0x900
[  400.913905]  ? zap_class+0x640/0x640
[  400.917620]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.922477]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.927079]  ? lock_acquire+0x1ed/0x520
[  400.931053]  ? worker_thread+0x3e0/0x1390
[  400.935210]  ? kasan_check_read+0x11/0x20
[  400.939366]  ? do_raw_spin_lock+0x14f/0x350
[  400.943689]  ? kasan_check_read+0x11/0x20
[  400.947875]  ? rwlock_bug.part.2+0x90/0x90
[  400.952125]  ? trace_hardirqs_on+0x310/0x310
[  400.956548]  worker_thread+0x17f/0x1390
[  400.960526]  ? __switch_to_asm+0x34/0x70
[  400.964601]  ? process_one_work+0x1c40/0x1c40
[  400.969148]  ? zap_class+0x640/0x640
[  400.972870]  ? find_held_lock+0x36/0x1c0
[  400.976961]  ? __kthread_parkme+0xce/0x1a0
[  400.981204]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  400.986314]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  400.991425]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.996013]  ? trace_hardirqs_on+0xbd/0x310
[  401.000338]  ? kasan_check_read+0x11/0x20
[  401.004488]  ? __kthread_parkme+0xce/0x1a0
[  401.008725]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.013839]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.018951]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  401.024062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.029598]  ? __kthread_parkme+0xfb/0x1a0
[  401.033860]  ? process_one_work+0x1c40/0x1c40
[  401.038363]  kthread+0x35a/0x440
[  401.041733]  ? kthread_stop+0x900/0x900
[  401.045712]  ret_from_fork+0x3a/0x50
[  401.049442] warn_alloc_show_mem: 1 callbacks suppressed
[  401.049455] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  401.049457] Mem-Info:
[  401.049488] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  401.049488]  active_file:16 inactive_file:3 isolated_file:0
[  401.049488]  unevictable:0 dirty:0 writeback:0 unstable:0
[  401.049488]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  401.049488]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  401.049488]  free:13690 free_pcp:879 free_cma:0
[  401.054838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.062204] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  401.064619] Call Trace:
[  401.097576] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  401.106924]  <IRQ>
[  401.134748] lowmem_reserve[]: 0 2818 6321 6321
[  401.137347]  dump_stack+0x244/0x39d
[  401.163431] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  401.165587]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.170146] lowmem_reserve[]: 0 0 3503 3503
[  401.173782]  warn_alloc.cold.116+0xb7/0x1bd
[  401.201358] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  401.206555]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.210859] lowmem_reserve[]: 0 0 0 0
[  401.215187]  ? lock_downgrade+0x900/0x900
[  401.244491] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  401.249344]  ? trace_hardirqs_off+0xb8/0x310
[  401.253117] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  401.257265]  ? trace_hardirqs_off+0xb8/0x310
[  401.270769] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  401.275185]  __alloc_pages_slowpath+0x26e8/0x2e10
[  401.290425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  401.294854]  ? warn_alloc+0x120/0x120
[  401.308789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  401.313648]  ? warn_alloc+0x120/0x120
[  401.322461] 4380 total pagecache pages
[  401.326265]  ? __lock_acquire+0x62f/0x4c20
[  401.334832] 0 pages in swap cache
[  401.338625]  ? warn_alloc+0x120/0x120
[  401.342497] Swap cache stats: add 0, delete 0, find 0/0
[  401.346731]  ? print_usage_bug+0xc0/0xc0
[  401.350159] Free swap  = 0kB
[  401.353965]  ? print_usage_bug+0xc0/0xc0
[  401.359301] Total swap = 0kB
[  401.363363]  ? mark_held_locks+0x130/0x130
[  401.366364] 1965979 pages RAM
[  401.370426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.373416] 0 pages HighMem/MovableOnly
[  401.373425] 342854 pages reserved
[  401.377658]  ? should_fail+0x22d/0xd01
[  401.380743] 0 pages cma reserved
[  401.386317]  ? zap_class+0x640/0x640
[  401.390353] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  401.393729]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.397687] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.400965]  ? __lock_acquire+0x62f/0x4c20
[  401.404656] kworker/0:2 cpuset=/ mems_allowed=0
[  401.411149]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.440516]  ? should_fail+0x22d/0xd01
[  401.444417]  ? mark_held_locks+0x130/0x130
[  401.448659]  ? mark_held_locks+0x130/0x130
[  401.452914]  ? lock_downgrade+0x900/0x900
[  401.457073]  ? zap_class+0x640/0x640
[  401.460788]  ? zap_class+0x640/0x640
[  401.464505]  ? zap_class+0x640/0x640
[  401.468226]  ? do_raw_spin_unlock+0xa7/0x330
[  401.472642]  ? trace_hardirqs_on+0x310/0x310
[  401.477053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.482600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.488164]  ? check_preemption_disabled+0x48/0x280
[  401.493213]  ? __lock_is_held+0xb5/0x140
[  401.497325]  __alloc_pages_nodemask+0xa80/0xde0
[  401.502009]  ? zap_class+0x640/0x640
[  401.505744]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.510795]  ? find_held_lock+0x36/0x1c0
[  401.514873]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.519551]  ? lock_downgrade+0x900/0x900
[  401.523724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.529274]  cache_grow_begin+0xa5/0x8c0
[  401.533339]  ? do_raw_spin_unlock+0xa7/0x330
[  401.537762]  fallback_alloc+0x204/0x2e0
[  401.541759]  ____cache_alloc_node+0x1c7/0x1e0
[  401.546289]  kmem_cache_alloc_node+0xe3/0x730
[  401.550790]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.555389]  __alloc_skb+0x119/0x770
[  401.559103]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  401.564477]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.568895]  ? vprintk_default+0x28/0x30
[  401.572967]  ? vprintk_func+0x85/0x181
[  401.576863]  ? printk+0xa7/0xcf
[  401.580148]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  401.584928]  new_skb+0x26/0x1c0
[  401.588227]  aoecmd_cfg+0x279/0x7f0
[  401.591871]  ? find_held_lock+0x36/0x1c0
[  401.595937]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  401.600280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.605845]  ? __lock_is_held+0xb5/0x140
[  401.609944]  discover_timer+0x50/0x60
[  401.613775]  call_timer_fn+0x272/0x920
[  401.617666]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  401.622512]  ? process_timeout+0x40/0x40
[  401.626585]  ? __run_timers+0x7da/0xc70
[  401.630567]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.635068]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.639561]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  401.644433]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.649021]  ? trace_hardirqs_on+0xbd/0x310
[  401.653347]  ? kasan_check_read+0x11/0x20
[  401.657497]  ? __run_timers+0x7da/0xc70
[  401.661477]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.666601]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  401.671443]  __run_timers+0x7e5/0xc70
[  401.675258]  ? timer_fixup_init+0x70/0x70
[  401.679415]  ? lock_acquire+0x1ed/0x520
[  401.683392]  ? zap_class+0x640/0x640
[  401.687111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.692664]  ? kasan_check_read+0x11/0x20
[  401.696827]  ? do_raw_spin_lock+0x14f/0x350
[  401.701158]  ? find_held_lock+0x36/0x1c0
[  401.705229]  ? zap_class+0x640/0x640
[  401.708959]  ? pvclock_read_flags+0x160/0x160
[  401.713458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.719001]  ? check_preemption_disabled+0x48/0x280
[  401.724122]  ? __lock_is_held+0xb5/0x140
[  401.728189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.733740]  ? check_preemption_disabled+0x48/0x280
[  401.738781]  run_timer_softirq+0x52/0xb0
[  401.742845]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.747866]  __do_softirq+0x308/0xb7e
[  401.751673]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.756170]  ? lock_downgrade+0x900/0x900
[  401.760338]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.765451]  ? pvclock_read_flags+0x160/0x160
[  401.769972]  ? lapic_next_event+0x5a/0x90
[  401.774126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.779670]  ? kvm_clock_read+0x18/0x30
[  401.783682]  ? kvm_sched_clock_read+0x9/0x20
[  401.788100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.793652]  ? check_preemption_disabled+0x48/0x280
[  401.798685]  irq_exit+0x17f/0x1c0
[  401.802155]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.806997]  ? smp_reschedule_interrupt+0x109/0x650
[  401.812020]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.817909]  ? interrupt_entry+0xb5/0xc0
[  401.821980]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.827011]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.832031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.836875]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.841893]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.846912]  ? task_prio+0x50/0x50
[  401.850455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.855996]  ? check_preemption_disabled+0x48/0x280
[  401.861019]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.865876]  apic_timer_interrupt+0xf/0x20
[  401.870106]  </IRQ>
[  401.872349] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  401.877284] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  401.896204] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  401.903912] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  401.911181] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  401.918453] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  401.925736] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  401.933019] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  401.940332]  skb_clone+0x1bb/0x500
[  401.943886]  ? finish_task_switch+0x1b4/0x910
[  401.948386]  ? skb_split+0x11e0/0x11e0
[  401.952276]  ? preempt_notifier_register+0x200/0x200
[  401.957380]  ? __switch_to_asm+0x34/0x70
[  401.961441]  ? __switch_to_asm+0x34/0x70
[  401.965500]  ? __switch_to_asm+0x40/0x70
[  401.969558]  ? __switch_to_asm+0x34/0x70
[  401.973622]  ? __switch_to_asm+0x40/0x70
[  401.977682]  ? __switch_to_asm+0x34/0x70
[  401.981758]  ? __switch_to_asm+0x40/0x70
[  401.985833]  ? __switch_to_asm+0x34/0x70
[  401.989897]  ? __switch_to_asm+0x34/0x70
[  401.993963]  ? __switch_to_asm+0x40/0x70
[  401.998049]  ? __switch_to_asm+0x34/0x70
[  402.002139]  bpf_clone_redirect+0xb9/0x490
[  402.006374]  ? __schedule+0x8d7/0x21d0
[  402.010762]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  402.015787]  ? __sched_text_start+0x8/0x8
[  402.019966]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.024552]  ? retint_kernel+0x2d/0x2d
[  402.028443]  ? trace_hardirqs_on_caller+0xc0/0x310
[  402.033400]  ? find_held_lock+0x36/0x1c0
[  402.037472]  ? lock_acquire+0x1ed/0x520
[  402.041450]  ? bpf_test_run+0x3cb/0x780
[  402.045432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.050990]  ? check_preemption_disabled+0x48/0x280
[  402.056050]  ? kasan_check_read+0x11/0x20
[  402.060203]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.065485]  ? rcu_softirq_qs+0x20/0x20
[  402.069519]  ? preempt_schedule+0x4d/0x60
[  402.073682]  ? ___preempt_schedule+0x16/0x18
[  402.078099]  ? bpf_test_run+0x25d/0x780
[  402.082091]  ? netlink_diag_dump+0x2a0/0x2a0
[  402.086505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.092054]  ? bpf_test_init.isra.10+0x70/0x100
[  402.096737]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  402.101504]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  402.106348]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  402.111888]  ? fput+0x130/0x1a0
[  402.115175]  ? __bpf_prog_get+0x9b/0x290
[  402.119246]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  402.124089]  ? bpf_prog_test_run+0x130/0x1a0
[  402.128520]  ? __x64_sys_bpf+0x3d8/0x520
[  402.132583]  ? bpf_prog_get+0x20/0x20
[  402.136406]  ? do_syscall_64+0x1b9/0x820
[  402.140467]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  402.145834]  ? syscall_return_slowpath+0x5e0/0x5e0
[  402.150778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.155625]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.160644]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  402.165664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.171206]  ? prepare_exit_to_usermode+0x291/0x3b0
[  402.176245]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.181110]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  402.186508] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  402.186620] aoe: skb alloc failure
[  402.193626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.193650] Workqueue: events_power_efficient neigh_periodic_work
[  402.193659] Call Trace:
[  402.193671]  <IRQ>
[  402.197239] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.206572]  dump_stack+0x244/0x39d
[  402.212786] syz-executor1 cpuset=syz1 mems_allowed=0
[  402.215378]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.241902]  warn_alloc.cold.116+0xb7/0x1bd
[  402.246246]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.251122]  ? lock_downgrade+0x900/0x900
[  402.255283]  ? trace_hardirqs_off+0xb8/0x310
[  402.259701]  ? trace_hardirqs_off+0xb8/0x310
[  402.264123]  __alloc_pages_slowpath+0x26e8/0x2e10
[  402.269029]  ? warn_alloc+0x120/0x120
[  402.272838]  ? print_usage_bug+0xc0/0xc0
[  402.276908]  ? warn_alloc+0x120/0x120
[  402.280715]  ? warn_alloc+0x120/0x120
[  402.284520]  ? print_usage_bug+0xc0/0xc0
[  402.288592]  ? kvm_clock_read+0x18/0x30
[  402.292596]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  402.297617]  ? print_usage_bug+0xc0/0xc0
[  402.301685]  ? __lock_acquire+0x62f/0x4c20
[  402.305930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.311474]  ? should_fail+0x22d/0xd01
[  402.315364]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.320654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.325761]  ? __lock_acquire+0x62f/0x4c20
[  402.330003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.335106]  ? __lock_acquire+0x62f/0x4c20
[  402.339340]  ? should_fail+0x22d/0xd01
[  402.343234]  ? rcu_irq_exit+0x1a2/0x390
[  402.347227]  ? mark_held_locks+0x130/0x130
[  402.351468]  ? mark_held_locks+0x130/0x130
[  402.355710]  ? mark_held_locks+0xc7/0x130
[  402.359860]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  402.364888]  ? zap_class+0x640/0x640
[  402.368603]  ? print_usage_bug+0xc0/0xc0
[  402.372670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.378221]  ? check_preemption_disabled+0x48/0x280
[  402.383256]  ? __lock_is_held+0xb5/0x140
[  402.387328]  __alloc_pages_nodemask+0xa80/0xde0
[  402.392004]  ? zap_class+0x640/0x640
[  402.395749]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.400808]  ? find_held_lock+0x36/0x1c0
[  402.404881]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.409584]  ? lock_downgrade+0x900/0x900
[  402.413741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.419289]  cache_grow_begin+0xa5/0x8c0
[  402.423353]  ? do_raw_spin_unlock+0xa7/0x330
[  402.427771]  fallback_alloc+0x204/0x2e0
[  402.431759]  ____cache_alloc_node+0x1c7/0x1e0
[  402.436262]  kmem_cache_alloc_node+0xe3/0x730
[  402.440760]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.445009]  __alloc_skb+0x119/0x770
[  402.448725]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.454028]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.458438]  ? lock_downgrade+0x900/0x900
[  402.462613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.468152]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.473607]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.479067]  ? addrconf_rs_timer+0x690/0x690
[  402.483493]  ndisc_alloc_skb+0x144/0x340
[  402.487559]  ndisc_send_rs+0x331/0x6e0
[  402.491456]  addrconf_rs_timer+0x314/0x690
[  402.495697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.499944]  call_timer_fn+0x272/0x920
[  402.503832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.508070]  ? process_timeout+0x40/0x40
[  402.512144]  ? mark_held_locks+0xc7/0x130
[  402.516298]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.520793]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.525305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.529546]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.534133]  ? trace_hardirqs_on+0xbd/0x310
[  402.538464]  ? kasan_check_read+0x11/0x20
[  402.542614]  ? __run_timers+0x7da/0xc70
[  402.546601]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.551707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.555967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.560210]  __run_timers+0x7e5/0xc70
[  402.564028]  ? timer_fixup_init+0x70/0x70
[  402.568178]  ? lock_downgrade+0x900/0x900
[  402.572328]  ? zap_class+0x640/0x640
[  402.576054]  ? print_usage_bug+0xc0/0xc0
[  402.580142]  ? trace_hardirqs_on+0x310/0x310
[  402.584564]  ? kvm_clock_read+0x18/0x30
[  402.588543]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  402.593564]  ? ktime_get+0x2c1/0x400
[  402.597281]  ? zap_class+0x640/0x640
[  402.601002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.606544]  ? check_preemption_disabled+0x48/0x280
[  402.611577]  ? __lock_is_held+0xb5/0x140
[  402.615654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.621255]  ? check_preemption_disabled+0x48/0x280
[  402.626281]  run_timer_softirq+0x52/0xb0
[  402.630347]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.635368]  __do_softirq+0x308/0xb7e
[  402.639188]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.644294]  ? irq_exit+0xbd/0x1c0
[  402.647836]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  402.652857]  ? smp_call_function_single_interrupt+0x650/0x650
[  402.658744]  ? ret_from_intr+0xb/0x1e
[  402.662574]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.667593]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.672441]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.677461]  ? task_prio+0x50/0x50
[  402.681011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.686552]  ? check_preemption_disabled+0x48/0x280
[  402.691576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.696426]  ? neigh_periodic_work+0x6bd/0xc60
[  402.701024]  do_softirq_own_stack+0x2a/0x40
[  402.705344]  </IRQ>
[  402.707588]  do_softirq.part.14+0x126/0x160
[  402.711913]  __local_bh_enable_ip+0x21d/0x260
[  402.716411]  _raw_write_unlock_bh+0x30/0x40
[  402.720741]  neigh_periodic_work+0x6bd/0xc60
[  402.725170]  ? neigh_table_clear+0x390/0x390
[  402.729583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.735126]  ? check_preemption_disabled+0x48/0x280
[  402.740160]  ? __lock_is_held+0xb5/0x140
[  402.744242]  process_one_work+0xc90/0x1c40
[  402.748479]  ? mark_held_locks+0x130/0x130
[  402.752751]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  402.757508]  ? __switch_to_asm+0x40/0x70
[  402.761572]  ? __switch_to_asm+0x40/0x70
[  402.765631]  ? __switch_to_asm+0x34/0x70
[  402.769712]  ? __switch_to_asm+0x40/0x70
[  402.773782]  ? __switch_to_asm+0x34/0x70
[  402.777844]  ? __switch_to_asm+0x40/0x70
[  402.781940]  ? __switch_to_asm+0x34/0x70
[  402.786027]  ? __switch_to_asm+0x40/0x70
[  402.790094]  ? __schedule+0x8d7/0x21d0
[  402.793985]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.799018]  ? lock_downgrade+0x900/0x900
[  402.803184]  ? zap_class+0x640/0x640
[  402.806902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.811760]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.816361]  ? lock_acquire+0x1ed/0x520
[  402.820337]  ? worker_thread+0x3e0/0x1390
[  402.824500]  ? kasan_check_read+0x11/0x20
[  402.828648]  ? do_raw_spin_lock+0x14f/0x350
[  402.832969]  ? kasan_check_read+0x11/0x20
[  402.837123]  ? rwlock_bug.part.2+0x90/0x90
[  402.841360]  ? trace_hardirqs_on+0x310/0x310
[  402.845783]  worker_thread+0x17f/0x1390
[  402.849757]  ? __switch_to_asm+0x34/0x70
[  402.853921]  ? process_one_work+0x1c40/0x1c40
[  402.858427]  ? zap_class+0x640/0x640
[  402.862142]  ? find_held_lock+0x36/0x1c0
[  402.866260]  ? __kthread_parkme+0xce/0x1a0
[  402.870502]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  402.875609]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  402.880718]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.885308]  ? trace_hardirqs_on+0xbd/0x310
[  402.889629]  ? kasan_check_read+0x11/0x20
[  402.893781]  ? __kthread_parkme+0xce/0x1a0
[  402.898023]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.903597]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.908710]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.913819]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.919358]  ? __kthread_parkme+0xfb/0x1a0
[  402.923598]  ? process_one_work+0x1c40/0x1c40
[  402.928098]  kthread+0x35a/0x440
[  402.931474]  ? kthread_stop+0x900/0x900
[  402.935452]  ret_from_fork+0x3a/0x50
[  402.939206] warn_alloc_show_mem: 1 callbacks suppressed
[  402.939218] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  402.939222] Mem-Info:
[  402.939255] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  402.939255]  active_file:16 inactive_file:3 isolated_file:0
[  402.939255]  unevictable:0 dirty:0 writeback:0 unstable:0
[  402.939255]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  402.939255]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  402.939255]  free:13690 free_pcp:879 free_cma:0
[  402.944602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.951972] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.954386] Call Trace:
[  402.987345] 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
[  402.996695]  <IRQ>
[  403.024613] lowmem_reserve[]: 0 2818 6321 6321
[  403.027222]  dump_stack+0x244/0x39d
[  403.053313] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  403.055471]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.060030] lowmem_reserve[]: 0 0 3503 3503
[  403.063665]  warn_alloc.cold.116+0xb7/0x1bd
[  403.091224] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  403.096421]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.100726] lowmem_reserve[]: 0 0 0 0
[  403.105050]  ? lock_downgrade+0x900/0x900
[  403.134349] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  403.139219]  ? trace_hardirqs_off+0xb8/0x310
[  403.142993] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  403.147152]  ? trace_hardirqs_off+0xb8/0x310
[  403.160653] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  403.165244]  __alloc_pages_slowpath+0x26e8/0x2e10
[  403.180487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  403.184918]  ? warn_alloc+0x120/0x120
[  403.198836] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  403.203680]  ? warn_alloc+0x120/0x120
[  403.212506] 4380 total pagecache pages
[  403.216306]  ? __lock_acquire+0x62f/0x4c20
[  403.224869] 0 pages in swap cache
[  403.228662]  ? warn_alloc+0x120/0x120
[  403.232537] Swap cache stats: add 0, delete 0, find 0/0
[  403.236768]  ? print_usage_bug+0xc0/0xc0
[  403.240211] Free swap  = 0kB
[  403.244009]  ? print_usage_bug+0xc0/0xc0
[  403.249352] Total swap = 0kB
[  403.253414]  ? mark_held_locks+0x130/0x130
[  403.256414] 1965979 pages RAM
[  403.260473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.263470] 0 pages HighMem/MovableOnly
[  403.267706]  ? should_fail+0x22d/0xd01
[  403.270793] 342854 pages reserved
[  403.276325]  ? zap_class+0x640/0x640
[  403.280280] 0 pages cma reserved
[  403.284178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.287680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.291326]  ? __lock_acquire+0x62f/0x4c20
[  403.294741] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.299773]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.306273] kworker/0:2 cpuset=/ mems_allowed=0
[  403.310516]  ? should_fail+0x22d/0xd01
[  403.334442]  ? mark_held_locks+0x130/0x130
[  403.338684]  ? mark_held_locks+0x130/0x130
[  403.342926]  ? lock_downgrade+0x900/0x900
[  403.347104]  ? zap_class+0x640/0x640
[  403.350832]  ? zap_class+0x640/0x640
[  403.354548]  ? zap_class+0x640/0x640
[  403.358265]  ? do_raw_spin_unlock+0xa7/0x330
[  403.362766]  ? trace_hardirqs_on+0x310/0x310
[  403.367177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.372724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.378270]  ? check_preemption_disabled+0x48/0x280
[  403.383301]  ? __lock_is_held+0xb5/0x140
[  403.387375]  __alloc_pages_nodemask+0xa80/0xde0
[  403.392059]  ? zap_class+0x640/0x640
[  403.395786]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.400816]  ? find_held_lock+0x36/0x1c0
[  403.404893]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.409605]  ? lock_downgrade+0x900/0x900
[  403.413762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.419310]  cache_grow_begin+0xa5/0x8c0
[  403.423373]  ? do_raw_spin_unlock+0xa7/0x330
[  403.427794]  fallback_alloc+0x204/0x2e0
[  403.431777]  ____cache_alloc_node+0x1c7/0x1e0
[  403.436281]  kmem_cache_alloc_node+0xe3/0x730
[  403.440806]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.445405]  __alloc_skb+0x119/0x770
[  403.449120]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  403.454489]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.458909]  ? vprintk_default+0x28/0x30
[  403.462979]  ? vprintk_func+0x85/0x181
[  403.466870]  ? printk+0xa7/0xcf
[  403.470154]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  403.474921]  new_skb+0x26/0x1c0
[  403.478220]  aoecmd_cfg+0x279/0x7f0
[  403.481851]  ? find_held_lock+0x36/0x1c0
[  403.485916]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  403.490262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.495808]  ? __lock_is_held+0xb5/0x140
[  403.499904]  discover_timer+0x50/0x60
[  403.503723]  call_timer_fn+0x272/0x920
[  403.507616]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  403.512460]  ? process_timeout+0x40/0x40
[  403.516546]  ? __run_timers+0x7da/0xc70
[  403.520523]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.525018]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.529513]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  403.534357]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.538968]  ? trace_hardirqs_on+0xbd/0x310
[  403.543292]  ? kasan_check_read+0x11/0x20
[  403.547442]  ? __run_timers+0x7da/0xc70
[  403.551421]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.556541]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  403.561406]  __run_timers+0x7e5/0xc70
[  403.565241]  ? timer_fixup_init+0x70/0x70
[  403.569395]  ? lock_acquire+0x1ed/0x520
[  403.573395]  ? zap_class+0x640/0x640
[  403.577109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.582655]  ? kasan_check_read+0x11/0x20
[  403.586806]  ? do_raw_spin_lock+0x14f/0x350
[  403.591138]  ? find_held_lock+0x36/0x1c0
[  403.595206]  ? zap_class+0x640/0x640
[  403.598964]  ? pvclock_read_flags+0x160/0x160
[  403.603464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.609007]  ? check_preemption_disabled+0x48/0x280
[  403.614036]  ? __lock_is_held+0xb5/0x140
[  403.618115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.623667]  ? check_preemption_disabled+0x48/0x280
[  403.628702]  run_timer_softirq+0x52/0xb0
[  403.632785]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.637814]  __do_softirq+0x308/0xb7e
[  403.641634]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.646156]  ? lock_downgrade+0x900/0x900
[  403.650312]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.655424]  ? pvclock_read_flags+0x160/0x160
[  403.659923]  ? lapic_next_event+0x5a/0x90
[  403.664080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.669625]  ? kvm_clock_read+0x18/0x30
[  403.673625]  ? kvm_sched_clock_read+0x9/0x20
[  403.678047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.683604]  ? check_preemption_disabled+0x48/0x280
[  403.688635]  irq_exit+0x17f/0x1c0
[  403.692102]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.696948]  ? smp_reschedule_interrupt+0x109/0x650
[  403.701982]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.707871]  ? interrupt_entry+0xb5/0xc0
[  403.711940]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.716971]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.721994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.726838]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.731852]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.736868]  ? task_prio+0x50/0x50
[  403.740426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.745977]  ? check_preemption_disabled+0x48/0x280
[  403.751028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.755879]  apic_timer_interrupt+0xf/0x20
[  403.760111]  </IRQ>
[  403.762353] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  403.767287] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  403.786199] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  403.793919] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  403.801196] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  403.808474] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  403.815754] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  403.823021] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  403.830342]  skb_clone+0x1bb/0x500
[  403.833888]  ? finish_task_switch+0x1b4/0x910
[  403.838387]  ? skb_split+0x11e0/0x11e0
[  403.842279]  ? preempt_notifier_register+0x200/0x200
[  403.847380]  ? __switch_to_asm+0x34/0x70
[  403.851442]  ? __switch_to_asm+0x34/0x70
[  403.855514]  ? __switch_to_asm+0x40/0x70
[  403.859586]  ? __switch_to_asm+0x34/0x70
[  403.863649]  ? __switch_to_asm+0x40/0x70
[  403.867709]  ? __switch_to_asm+0x34/0x70
[  403.871789]  ? __switch_to_asm+0x40/0x70
[  403.875875]  ? __switch_to_asm+0x34/0x70
[  403.879936]  ? __switch_to_asm+0x34/0x70
[  403.884017]  ? __switch_to_asm+0x40/0x70
[  403.888080]  ? __switch_to_asm+0x34/0x70
[  403.892161]  bpf_clone_redirect+0xb9/0x490
[  403.896405]  ? __schedule+0x8d7/0x21d0
[  403.900300]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  403.905331]  ? __sched_text_start+0x8/0x8
[  403.909501]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.914083]  ? retint_kernel+0x2d/0x2d
[  403.917984]  ? trace_hardirqs_on_caller+0xc0/0x310
[  403.922921]  ? find_held_lock+0x36/0x1c0
[  403.927001]  ? lock_acquire+0x1ed/0x520
[  403.930986]  ? bpf_test_run+0x3cb/0x780
[  403.934974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.940517]  ? check_preemption_disabled+0x48/0x280
[  403.945542]  ? kasan_check_read+0x11/0x20
[  403.949696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.954980]  ? rcu_softirq_qs+0x20/0x20
[  403.958965]  ? preempt_schedule+0x4d/0x60
[  403.963120]  ? ___preempt_schedule+0x16/0x18
[  403.967541]  ? bpf_test_run+0x25d/0x780
[  403.971529]  ? netlink_diag_dump+0x2a0/0x2a0
[  403.975947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.981496]  ? bpf_test_init.isra.10+0x70/0x100
[  403.986174]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  403.990944]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.995830]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  404.001399]  ? fput+0x130/0x1a0
[  404.004682]  ? __bpf_prog_get+0x9b/0x290
[  404.008755]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  404.014118]  ? bpf_prog_test_run+0x130/0x1a0
[  404.018537]  ? __x64_sys_bpf+0x3d8/0x520
[  404.022603]  ? bpf_prog_get+0x20/0x20
[  404.026427]  ? do_syscall_64+0x1b9/0x820
[  404.030490]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  404.035862]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.040794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.045644]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.050667]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  404.055690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.061237]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.066265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.071122]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  404.076508] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  404.076593] aoe: skb alloc failure
[  404.083622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.083646] Workqueue: events_power_efficient neigh_periodic_work
[  404.083654] Call Trace:
[  404.083667]  <IRQ>
[  404.087234] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.096563]  dump_stack+0x244/0x39d
[  404.102785] syz-executor1 cpuset=syz1 mems_allowed=0
[  404.105385]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.131932]  warn_alloc.cold.116+0xb7/0x1bd
[  404.136277]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.141139]  ? lock_downgrade+0x900/0x900
[  404.145312]  ? trace_hardirqs_off+0xb8/0x310
[  404.149745]  ? trace_hardirqs_off+0xb8/0x310
[  404.154180]  __alloc_pages_slowpath+0x26e8/0x2e10
[  404.159057]  ? warn_alloc+0x120/0x120
[  404.162868]  ? print_usage_bug+0xc0/0xc0
[  404.166939]  ? warn_alloc+0x120/0x120
[  404.170751]  ? warn_alloc+0x120/0x120
[  404.174561]  ? print_usage_bug+0xc0/0xc0
[  404.178719]  ? print_usage_bug+0xc0/0xc0
[  404.182788]  ? __lock_acquire+0x62f/0x4c20
[  404.187038]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.192589]  ? should_fail+0x22d/0xd01
[  404.196487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.201602]  ? __lock_acquire+0x62f/0x4c20
[  404.205866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.210979]  ? __lock_acquire+0x62f/0x4c20
[  404.215230]  ? should_fail+0x22d/0xd01
[  404.219136]  ? find_held_lock+0x36/0x1c0
[  404.223230]  ? mark_held_locks+0x130/0x130
[  404.227488]  ? mark_held_locks+0x130/0x130
[  404.231728]  ? zap_class+0x640/0x640
[  404.235450]  ? zap_class+0x640/0x640
[  404.239173]  ? print_usage_bug+0xc0/0xc0
[  404.243240]  ? do_raw_spin_unlock+0xa7/0x330
[  404.247653]  ? zap_class+0x640/0x640
[  404.251369]  ? print_usage_bug+0xc0/0xc0
[  404.255432]  ? wq_watchdog_touch+0x9c/0xfe
[  404.259677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.265251]  ? check_preemption_disabled+0x48/0x280
[  404.270284]  ? __lock_is_held+0xb5/0x140
[  404.274359]  __alloc_pages_nodemask+0xa80/0xde0
[  404.279038]  ? zap_class+0x640/0x640
[  404.282768]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  404.287823]  ? find_held_lock+0x36/0x1c0
[  404.291909]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.296675]  ? lock_downgrade+0x900/0x900
[  404.300839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.306393]  cache_grow_begin+0xa5/0x8c0
[  404.310466]  ? do_raw_spin_unlock+0xa7/0x330
[  404.314897]  fallback_alloc+0x204/0x2e0
[  404.318892]  ____cache_alloc_node+0x1c7/0x1e0
[  404.323403]  kmem_cache_alloc_node+0xe3/0x730
[  404.327910]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.332160]  __alloc_skb+0x119/0x770
[  404.335874]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.341156]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.345574]  ? lock_downgrade+0x900/0x900
[  404.349735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.355281]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.360741]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.366194]  ? addrconf_rs_timer+0x690/0x690
[  404.370623]  ndisc_alloc_skb+0x144/0x340
[  404.374695]  ndisc_send_rs+0x331/0x6e0
[  404.378593]  addrconf_rs_timer+0x314/0x690
[  404.382840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.387091]  call_timer_fn+0x272/0x920
[  404.390981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.395228]  ? process_timeout+0x40/0x40
[  404.399306]  ? mark_held_locks+0xc7/0x130
[  404.403460]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.407958]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.412457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.416697]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.421287]  ? trace_hardirqs_on+0xbd/0x310
[  404.425615]  ? kasan_check_read+0x11/0x20
[  404.429766]  ? __run_timers+0x7da/0xc70
[  404.433746]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.438861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.443116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.447356]  __run_timers+0x7e5/0xc70
[  404.451171]  ? timer_fixup_init+0x70/0x70
[  404.455328]  ? lock_downgrade+0x900/0x900
[  404.459476]  ? zap_class+0x640/0x640
[  404.463202]  ? print_usage_bug+0xc0/0xc0
[  404.467272]  ? trace_hardirqs_on+0x310/0x310
[  404.471693]  ? kvm_clock_read+0x18/0x30
[  404.475670]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  404.480689]  ? ktime_get+0x2c1/0x400
[  404.484408]  ? zap_class+0x640/0x640
[  404.488129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.493672]  ? check_preemption_disabled+0x48/0x280
[  404.498702]  ? __lock_is_held+0xb5/0x140
[  404.502768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.508314]  ? check_preemption_disabled+0x48/0x280
[  404.513341]  run_timer_softirq+0x52/0xb0
[  404.517406]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.522425]  __do_softirq+0x308/0xb7e
[  404.526247]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.531355]  ? irq_exit+0xbd/0x1c0
[  404.534899]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  404.539919]  ? smp_call_function_single_interrupt+0x650/0x650
[  404.545809]  ? ret_from_intr+0xb/0x1e
[  404.549615]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.554637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.559488]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.564504]  ? task_prio+0x50/0x50
[  404.568052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.573598]  ? check_preemption_disabled+0x48/0x280
[  404.578624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.583475]  ? neigh_periodic_work+0x6bd/0xc60
[  404.588066]  do_softirq_own_stack+0x2a/0x40
[  404.592382]  </IRQ>
[  404.594624]  do_softirq.part.14+0x126/0x160
[  404.598960]  __local_bh_enable_ip+0x21d/0x260
[  404.603459]  _raw_write_unlock_bh+0x30/0x40
[  404.607783]  neigh_periodic_work+0x6bd/0xc60
[  404.612209]  ? neigh_table_clear+0x390/0x390
[  404.616636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.622191]  ? check_preemption_disabled+0x48/0x280
[  404.627235]  ? __lock_is_held+0xb5/0x140
[  404.631321]  process_one_work+0xc90/0x1c40
[  404.635561]  ? mark_held_locks+0x130/0x130
[  404.639809]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  404.644479]  ? __switch_to_asm+0x40/0x70
[  404.648539]  ? __switch_to_asm+0x40/0x70
[  404.652601]  ? __switch_to_asm+0x34/0x70
[  404.656662]  ? __switch_to_asm+0x40/0x70
[  404.660719]  ? __switch_to_asm+0x34/0x70
[  404.664781]  ? __switch_to_asm+0x40/0x70
[  404.668839]  ? __switch_to_asm+0x34/0x70
[  404.672897]  ? __switch_to_asm+0x40/0x70
[  404.676977]  ? __schedule+0x8d7/0x21d0
[  404.680871]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.685898]  ? lock_downgrade+0x900/0x900
[  404.690052]  ? zap_class+0x640/0x640
[  404.693776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.698644]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.703248]  ? lock_acquire+0x1ed/0x520
[  404.707230]  ? worker_thread+0x3e0/0x1390
[  404.711394]  ? kasan_check_read+0x11/0x20
[  404.715543]  ? do_raw_spin_lock+0x14f/0x350
[  404.719861]  ? kasan_check_read+0x11/0x20
[  404.724008]  ? rwlock_bug.part.2+0x90/0x90
[  404.728247]  ? trace_hardirqs_on+0x310/0x310
[  404.732680]  worker_thread+0x17f/0x1390
[  404.736659]  ? __switch_to_asm+0x34/0x70
[  404.740734]  ? process_one_work+0x1c40/0x1c40
[  404.745254]  ? zap_class+0x640/0x640
[  404.748991]  ? find_held_lock+0x36/0x1c0
[  404.753092]  ? __kthread_parkme+0xce/0x1a0
[  404.757329]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  404.762433]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  404.767541]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.772128]  ? trace_hardirqs_on+0xbd/0x310
[  404.776454]  ? kasan_check_read+0x11/0x20
[  404.780607]  ? __kthread_parkme+0xce/0x1a0
[  404.784850]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.789967]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.795085]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.800193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.805739]  ? __kthread_parkme+0xfb/0x1a0
[  404.809984]  ? process_one_work+0x1c40/0x1c40
[  404.814481]  kthread+0x35a/0x440
[  404.817851]  ? kthread_stop+0x900/0x900
[  404.821836]  ret_from_fork+0x3a/0x50
[  404.825564] warn_alloc_show_mem: 1 callbacks suppressed
[  404.825576] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  404.825579] Mem-Info:
[  404.825610] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  404.825610]  active_file:16 inactive_file:3 isolated_file:0
[  404.825610]  unevictable:0 dirty:0 writeback:0 unstable:0
[  404.825610]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  404.825610]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  404.825610]  free:13690 free_pcp:879 free_cma:0
[  404.830954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.830960] Call Trace:
[  404.830969]  <IRQ>
[  404.838340] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  404.840771]  dump_stack+0x244/0x39d
[  404.873726] 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
[  404.883114]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.885674] lowmem_reserve[]: 0 2818 6321 6321
[  404.887834]  warn_alloc.cold.116+0xb7/0x1bd
[  404.915913] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  404.919548]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.945637] lowmem_reserve[]: 0 0 3503 3503
[  404.950849]  ? lock_downgrade+0x900/0x900
[  404.955581] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  404.959909]  ? trace_hardirqs_off+0xb8/0x310
[  404.987469] lowmem_reserve[]: 0 0 0 0
[  404.992319]  ? trace_hardirqs_off+0xb8/0x310
[  404.996614] 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
[  405.000772]  __alloc_pages_slowpath+0x26e8/0x2e10
[  405.030074] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  405.034520]  ? warn_alloc+0x120/0x120
[  405.038285] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  405.042703]  ? warn_alloc+0x120/0x120
[  405.056213] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  405.061058]  ? __lock_acquire+0x62f/0x4c20
[  405.076306] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  405.076317] 4380 total pagecache pages
[  405.080133]  ? warn_alloc+0x120/0x120
[  405.094071] 0 pages in swap cache
[  405.097870]  ? print_usage_bug+0xc0/0xc0
[  405.106678] Swap cache stats: add 0, delete 0, find 0/0
[  405.106688] Free swap  = 0kB
[  405.110924]  ? print_usage_bug+0xc0/0xc0
[  405.119482] Total swap = 0kB
[  405.123368]  ? mark_held_locks+0x130/0x130
[  405.127149] 1965979 pages RAM
[  405.130601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.134638] 0 pages HighMem/MovableOnly
[  405.140004]  ? should_fail+0x22d/0xd01
[  405.143003] 342854 pages reserved
[  405.147060]  ? zap_class+0x640/0x640
[  405.147080]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.150080] 0 pages cma reserved
[  405.154311]  ? __lock_acquire+0x62f/0x4c20
[  405.157477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.162931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.162945]  ? should_fail+0x22d/0xd01
[  405.162972]  ? mark_held_locks+0x130/0x130
[  405.167010] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.170819]  ? mark_held_locks+0x130/0x130
[  405.174255] kworker/0:2 cpuset=/ mems_allowed=0
[  405.177978]  ? lock_downgrade+0x900/0x900
[  405.233613]  ? zap_class+0x640/0x640
[  405.237333]  ? zap_class+0x640/0x640
[  405.241054]  ? zap_class+0x640/0x640
[  405.244782]  ? do_raw_spin_unlock+0xa7/0x330
[  405.249201]  ? trace_hardirqs_on+0x310/0x310
[  405.253617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.259158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.264702]  ? check_preemption_disabled+0x48/0x280
[  405.269741]  ? __lock_is_held+0xb5/0x140
[  405.273813]  __alloc_pages_nodemask+0xa80/0xde0
[  405.278489]  ? zap_class+0x640/0x640
[  405.282212]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.287244]  ? find_held_lock+0x36/0x1c0
[  405.291321]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.295995]  ? lock_downgrade+0x900/0x900
[  405.300156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.305702]  cache_grow_begin+0xa5/0x8c0
[  405.309774]  ? do_raw_spin_unlock+0xa7/0x330
[  405.314195]  fallback_alloc+0x204/0x2e0
[  405.318202]  ____cache_alloc_node+0x1c7/0x1e0
[  405.322710]  kmem_cache_alloc_node+0xe3/0x730
[  405.327226]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.331821]  __alloc_skb+0x119/0x770
[  405.335536]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  405.340910]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.345328]  ? vprintk_default+0x28/0x30
[  405.349396]  ? vprintk_func+0x85/0x181
[  405.353289]  ? printk+0xa7/0xcf
[  405.356574]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  405.361372]  new_skb+0x26/0x1c0
[  405.364660]  aoecmd_cfg+0x279/0x7f0
[  405.368291]  ? find_held_lock+0x36/0x1c0
[  405.372357]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  405.376688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.382243]  ? __lock_is_held+0xb5/0x140
[  405.386333]  discover_timer+0x50/0x60
[  405.390135]  call_timer_fn+0x272/0x920
[  405.394027]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  405.398871]  ? process_timeout+0x40/0x40
[  405.402942]  ? __run_timers+0x7da/0xc70
[  405.406924]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.411420]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.415916]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  405.420766]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.425358]  ? trace_hardirqs_on+0xbd/0x310
[  405.429681]  ? kasan_check_read+0x11/0x20
[  405.433831]  ? __run_timers+0x7da/0xc70
[  405.437812]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.442931]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  405.447778]  __run_timers+0x7e5/0xc70
[  405.451593]  ? timer_fixup_init+0x70/0x70
[  405.455754]  ? lock_acquire+0x1ed/0x520
[  405.459737]  ? zap_class+0x640/0x640
[  405.463458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.469036]  ? kasan_check_read+0x11/0x20
[  405.473186]  ? do_raw_spin_lock+0x14f/0x350
[  405.477517]  ? find_held_lock+0x36/0x1c0
[  405.481589]  ? zap_class+0x640/0x640
[  405.485309]  ? pvclock_read_flags+0x160/0x160
[  405.489814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.495365]  ? check_preemption_disabled+0x48/0x280
[  405.500392]  ? __lock_is_held+0xb5/0x140
[  405.504463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.510005]  ? check_preemption_disabled+0x48/0x280
[  405.515032]  run_timer_softirq+0x52/0xb0
[  405.519101]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.524131]  __do_softirq+0x308/0xb7e
[  405.527944]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  405.532445]  ? lock_downgrade+0x900/0x900
[  405.536603]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.541727]  ? pvclock_read_flags+0x160/0x160
[  405.546231]  ? lapic_next_event+0x5a/0x90
[  405.550386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.555931]  ? kvm_clock_read+0x18/0x30
[  405.559908]  ? kvm_sched_clock_read+0x9/0x20
[  405.564345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.569891]  ? check_preemption_disabled+0x48/0x280
[  405.574923]  irq_exit+0x17f/0x1c0
[  405.578386]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.583227]  ? smp_reschedule_interrupt+0x109/0x650
[  405.588248]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.594135]  ? interrupt_entry+0xb5/0xc0
[  405.598204]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.603223]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.608243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.613092]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.618117]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.623141]  ? task_prio+0x50/0x50
[  405.626690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.632243]  ? check_preemption_disabled+0x48/0x280
[  405.637278]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.642142]  apic_timer_interrupt+0xf/0x20
[  405.646373]  </IRQ>
[  405.648616] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  405.653555] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  405.672466] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  405.680182] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  405.687454] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  405.694731] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  405.702001] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  405.709270] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  405.716591]  skb_clone+0x1bb/0x500
[  405.720138]  ? finish_task_switch+0x1b4/0x910
[  405.724640]  ? skb_split+0x11e0/0x11e0
[  405.728533]  ? preempt_notifier_register+0x200/0x200
[  405.733637]  ? __switch_to_asm+0x34/0x70
[  405.737701]  ? __switch_to_asm+0x34/0x70
[  405.741768]  ? __switch_to_asm+0x40/0x70
[  405.745830]  ? __switch_to_asm+0x34/0x70
[  405.749895]  ? __switch_to_asm+0x40/0x70
[  405.753958]  ? __switch_to_asm+0x34/0x70
[  405.758023]  ? __switch_to_asm+0x40/0x70
[  405.762088]  ? __switch_to_asm+0x34/0x70
[  405.766162]  ? __switch_to_asm+0x34/0x70
[  405.770221]  ? __switch_to_asm+0x40/0x70
[  405.774282]  ? __switch_to_asm+0x34/0x70
[  405.778377]  bpf_clone_redirect+0xb9/0x490
[  405.782617]  ? __schedule+0x8d7/0x21d0
[  405.786533]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  405.791557]  ? __sched_text_start+0x8/0x8
[  405.795722]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.800305]  ? retint_kernel+0x2d/0x2d
[  405.804202]  ? trace_hardirqs_on_caller+0xc0/0x310
[  405.809138]  ? find_held_lock+0x36/0x1c0
[  405.813213]  ? lock_acquire+0x1ed/0x520
[  405.817192]  ? bpf_test_run+0x3cb/0x780
[  405.821174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.826727]  ? check_preemption_disabled+0x48/0x280
[  405.831760]  ? kasan_check_read+0x11/0x20
[  405.835917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.841197]  ? rcu_softirq_qs+0x20/0x20
[  405.845181]  ? preempt_schedule+0x4d/0x60
[  405.849335]  ? ___preempt_schedule+0x16/0x18
[  405.853762]  ? bpf_test_run+0x25d/0x780
[  405.857761]  ? netlink_diag_dump+0x2a0/0x2a0
[  405.862188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.867737]  ? bpf_test_init.isra.10+0x70/0x100
[  405.872421]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  405.877193]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.882045]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  405.887586]  ? fput+0x130/0x1a0
[  405.890874]  ? __bpf_prog_get+0x9b/0x290
[  405.894946]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.899792]  ? bpf_prog_test_run+0x130/0x1a0
[  405.904210]  ? __x64_sys_bpf+0x3d8/0x520
[  405.908279]  ? bpf_prog_get+0x20/0x20
[  405.912109]  ? do_syscall_64+0x1b9/0x820
[  405.916172]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  405.921546]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.926477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.931327]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.936367]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.941390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.946931]  ? prepare_exit_to_usermode+0x291/0x3b0
[  405.951958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.956817]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  405.962204] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  405.962290] aoe: skb alloc failure
[  405.969320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.969344] Workqueue: events_power_efficient neigh_periodic_work
[  405.969352] Call Trace:
[  405.969365]  <IRQ>
[  405.972931] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.982261]  dump_stack+0x244/0x39d
[  405.988472] syz-executor1 cpuset=syz1 mems_allowed=0
[  405.991065]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.017796]  warn_alloc.cold.116+0xb7/0x1bd
[  406.022124]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.026977]  ? lock_downgrade+0x900/0x900
[  406.031142]  ? trace_hardirqs_off+0xb8/0x310
[  406.035561]  ? trace_hardirqs_off+0xb8/0x310
[  406.039985]  __alloc_pages_slowpath+0x26e8/0x2e10
[  406.044869]  ? warn_alloc+0x120/0x120
[  406.048676]  ? print_usage_bug+0xc0/0xc0
[  406.052742]  ? warn_alloc+0x120/0x120
[  406.056551]  ? warn_alloc+0x120/0x120
[  406.060505]  ? print_usage_bug+0xc0/0xc0
[  406.064586]  ? print_usage_bug+0xc0/0xc0
[  406.068670]  ? __lock_acquire+0x62f/0x4c20
[  406.072919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.078465]  ? should_fail+0x22d/0xd01
[  406.082359]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.087469]  ? __lock_acquire+0x62f/0x4c20
[  406.091710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.096815]  ? __lock_acquire+0x62f/0x4c20
[  406.101050]  ? should_fail+0x22d/0xd01
[  406.104947]  ? find_held_lock+0x36/0x1c0
[  406.109029]  ? mark_held_locks+0x130/0x130
[  406.113272]  ? mark_held_locks+0x130/0x130
[  406.117527]  ? zap_class+0x640/0x640
[  406.121257]  ? zap_class+0x640/0x640
[  406.124987]  ? print_usage_bug+0xc0/0xc0
[  406.129052]  ? do_raw_spin_unlock+0xa7/0x330
[  406.133474]  ? zap_class+0x640/0x640
[  406.137192]  ? print_usage_bug+0xc0/0xc0
[  406.141262]  ? wq_watchdog_touch+0x9c/0xfe
[  406.145506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.151049]  ? check_preemption_disabled+0x48/0x280
[  406.156084]  ? __lock_is_held+0xb5/0x140
[  406.160157]  __alloc_pages_nodemask+0xa80/0xde0
[  406.164829]  ? zap_class+0x640/0x640
[  406.168552]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.173595]  ? find_held_lock+0x36/0x1c0
[  406.177676]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.182352]  ? lock_downgrade+0x900/0x900
[  406.186513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.192064]  cache_grow_begin+0xa5/0x8c0
[  406.196134]  ? do_raw_spin_unlock+0xa7/0x330
[  406.200556]  fallback_alloc+0x204/0x2e0
[  406.204540]  ____cache_alloc_node+0x1c7/0x1e0
[  406.209046]  kmem_cache_alloc_node+0xe3/0x730
[  406.213548]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.217796]  __alloc_skb+0x119/0x770
[  406.221511]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.226796]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.231222]  ? lock_downgrade+0x900/0x900
[  406.235383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.240940]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.246407]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.251867]  ? addrconf_rs_timer+0x690/0x690
[  406.256313]  ndisc_alloc_skb+0x144/0x340
[  406.260390]  ndisc_send_rs+0x331/0x6e0
[  406.264289]  addrconf_rs_timer+0x314/0x690
[  406.268534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.272789]  call_timer_fn+0x272/0x920
[  406.276680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.280919]  ? process_timeout+0x40/0x40
[  406.285004]  ? mark_held_locks+0xc7/0x130
[  406.289161]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.293657]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.298154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.302393]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.306994]  ? trace_hardirqs_on+0xbd/0x310
[  406.311323]  ? kasan_check_read+0x11/0x20
[  406.315472]  ? __run_timers+0x7da/0xc70
[  406.319451]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.324563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.328803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.333040]  __run_timers+0x7e5/0xc70
[  406.336855]  ? timer_fixup_init+0x70/0x70
[  406.341022]  ? lock_downgrade+0x900/0x900
[  406.345176]  ? zap_class+0x640/0x640
[  406.348903]  ? print_usage_bug+0xc0/0xc0
[  406.352978]  ? trace_hardirqs_on+0x310/0x310
[  406.357404]  ? kvm_clock_read+0x18/0x30
[  406.361381]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  406.366400]  ? ktime_get+0x2c1/0x400
[  406.370131]  ? zap_class+0x640/0x640
[  406.373855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.379406]  ? check_preemption_disabled+0x48/0x280
[  406.384440]  ? __lock_is_held+0xb5/0x140
[  406.388507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.394046]  ? check_preemption_disabled+0x48/0x280
[  406.399074]  run_timer_softirq+0x52/0xb0
[  406.403138]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.408168]  __do_softirq+0x308/0xb7e
[  406.412016]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.417131]  ? irq_exit+0xbd/0x1c0
[  406.420676]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  406.425708]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.431594]  ? ret_from_intr+0xb/0x1e
[  406.435404]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.440427]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.445274]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.450290]  ? task_prio+0x50/0x50
[  406.453838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.459380]  ? check_preemption_disabled+0x48/0x280
[  406.464422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.469273]  ? neigh_periodic_work+0x6bd/0xc60
[  406.473868]  do_softirq_own_stack+0x2a/0x40
[  406.478188]  </IRQ>
[  406.480436]  do_softirq.part.14+0x126/0x160
[  406.484768]  __local_bh_enable_ip+0x21d/0x260
[  406.489269]  _raw_write_unlock_bh+0x30/0x40
[  406.493598]  neigh_periodic_work+0x6bd/0xc60
[  406.498047]  ? neigh_table_clear+0x390/0x390
[  406.502483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.508036]  ? check_preemption_disabled+0x48/0x280
[  406.513071]  ? __lock_is_held+0xb5/0x140
[  406.517152]  process_one_work+0xc90/0x1c40
[  406.521410]  ? mark_held_locks+0x130/0x130
[  406.525663]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  406.530333]  ? __switch_to_asm+0x40/0x70
[  406.534397]  ? __switch_to_asm+0x40/0x70
[  406.538456]  ? __switch_to_asm+0x34/0x70
[  406.542518]  ? __switch_to_asm+0x40/0x70
[  406.546577]  ? __switch_to_asm+0x34/0x70
[  406.550637]  ? __switch_to_asm+0x40/0x70
[  406.554695]  ? __switch_to_asm+0x34/0x70
[  406.558752]  ? __switch_to_asm+0x40/0x70
[  406.562824]  ? __schedule+0x8d7/0x21d0
[  406.566716]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.571746]  ? lock_downgrade+0x900/0x900
[  406.575906]  ? zap_class+0x640/0x640
[  406.579626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.584484]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.589088]  ? lock_acquire+0x1ed/0x520
[  406.593067]  ? worker_thread+0x3e0/0x1390
[  406.597235]  ? kasan_check_read+0x11/0x20
[  406.601389]  ? do_raw_spin_lock+0x14f/0x350
[  406.605709]  ? kasan_check_read+0x11/0x20
[  406.609860]  ? rwlock_bug.part.2+0x90/0x90
[  406.614100]  ? trace_hardirqs_on+0x310/0x310
[  406.618525]  worker_thread+0x17f/0x1390
[  406.622506]  ? __switch_to_asm+0x34/0x70
[  406.626583]  ? process_one_work+0x1c40/0x1c40
[  406.631092]  ? zap_class+0x640/0x640
[  406.634809]  ? find_held_lock+0x36/0x1c0
[  406.638897]  ? __kthread_parkme+0xce/0x1a0
[  406.643139]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.648249]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.653356]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.657943]  ? trace_hardirqs_on+0xbd/0x310
[  406.662280]  ? kasan_check_read+0x11/0x20
[  406.666440]  ? __kthread_parkme+0xce/0x1a0
[  406.670688]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.675790]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.680903]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  406.686010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.691551]  ? __kthread_parkme+0xfb/0x1a0
[  406.695795]  ? process_one_work+0x1c40/0x1c40
[  406.700293]  kthread+0x35a/0x440
[  406.703688]  ? kthread_stop+0x900/0x900
[  406.707665]  ret_from_fork+0x3a/0x50
[  406.711395] warn_alloc_show_mem: 1 callbacks suppressed
[  406.711408] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  406.711410] Mem-Info:
[  406.711441] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  406.711441]  active_file:16 inactive_file:3 isolated_file:0
[  406.711441]  unevictable:0 dirty:0 writeback:0 unstable:0
[  406.711441]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  406.711441]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  406.711441]  free:13690 free_pcp:879 free_cma:0
[  406.716806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  406.724176] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  406.726577] Call Trace:
[  406.759539] 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
[  406.768891]  <IRQ>
[  406.796734] lowmem_reserve[]: 0 2818 6321 6321
[  406.799338]  dump_stack+0x244/0x39d
[  406.825428] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  406.827600]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.832159] lowmem_reserve[]: 0 0 3503 3503
[  406.835799]  warn_alloc.cold.116+0xb7/0x1bd
[  406.863375] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  406.868581]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.872869] lowmem_reserve[]: 0 0 0 0
[  406.877198]  ? lock_downgrade+0x900/0x900
[  406.906728] 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
[  406.911613]  ? trace_hardirqs_off+0xb8/0x310
[  406.915379] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  406.919530]  ? trace_hardirqs_off+0xb8/0x310
[  406.933028] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  406.937458]  __alloc_pages_slowpath+0x26e8/0x2e10
[  406.952700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  406.957137]  ? warn_alloc+0x120/0x120
[  406.971054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  406.975893]  ? warn_alloc+0x120/0x120
[  406.984712] 4380 total pagecache pages
[  406.988519]  ? __lock_acquire+0x62f/0x4c20
[  406.997078] 0 pages in swap cache
[  407.000871]  ? warn_alloc+0x120/0x120
[  407.004745] Swap cache stats: add 0, delete 0, find 0/0
[  407.009002]  ? print_usage_bug+0xc0/0xc0
[  407.012439] Free swap  = 0kB
[  407.016242]  ? print_usage_bug+0xc0/0xc0
[  407.021589] Total swap = 0kB
[  407.025674]  ? mark_held_locks+0x130/0x130
[  407.028675] 1965979 pages RAM
[  407.032742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.035733] 0 pages HighMem/MovableOnly
[  407.039974]  ? should_fail+0x22d/0xd01
[  407.043065] 342854 pages reserved
[  407.043075] 0 pages cma reserved
[  407.048616]  ? zap_class+0x640/0x640
[  407.052643] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.056453]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.059989] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.063256]  ? __lock_acquire+0x62f/0x4c20
[  407.066950] kworker/0:2 cpuset=/ mems_allowed=0
[  407.073450]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.102816]  ? should_fail+0x22d/0xd01
[  407.106749]  ? mark_held_locks+0x130/0x130
[  407.110997]  ? mark_held_locks+0x130/0x130
[  407.115235]  ? lock_downgrade+0x900/0x900
[  407.119392]  ? zap_class+0x640/0x640
[  407.123110]  ? zap_class+0x640/0x640
[  407.126831]  ? zap_class+0x640/0x640
[  407.130566]  ? do_raw_spin_unlock+0xa7/0x330
[  407.135001]  ? trace_hardirqs_on+0x310/0x310
[  407.139418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.144964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.150514]  ? check_preemption_disabled+0x48/0x280
[  407.155544]  ? __lock_is_held+0xb5/0x140
[  407.159620]  __alloc_pages_nodemask+0xa80/0xde0
[  407.164291]  ? zap_class+0x640/0x640
[  407.168015]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.173069]  ? find_held_lock+0x36/0x1c0
[  407.177150]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.181829]  ? lock_downgrade+0x900/0x900
[  407.185996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.191541]  cache_grow_begin+0xa5/0x8c0
[  407.195613]  ? do_raw_spin_unlock+0xa7/0x330
[  407.200034]  fallback_alloc+0x204/0x2e0
[  407.204025]  ____cache_alloc_node+0x1c7/0x1e0
[  407.208532]  kmem_cache_alloc_node+0xe3/0x730
[  407.213039]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.217634]  __alloc_skb+0x119/0x770
[  407.221348]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  407.226725]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.231146]  ? vprintk_default+0x28/0x30
[  407.235211]  ? vprintk_func+0x85/0x181
[  407.239108]  ? printk+0xa7/0xcf
[  407.242392]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  407.247166]  new_skb+0x26/0x1c0
[  407.250449]  aoecmd_cfg+0x279/0x7f0
[  407.254087]  ? find_held_lock+0x36/0x1c0
[  407.258152]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  407.262483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.268040]  ? __lock_is_held+0xb5/0x140
[  407.272117]  discover_timer+0x50/0x60
[  407.275921]  call_timer_fn+0x272/0x920
[  407.279821]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  407.284665]  ? process_timeout+0x40/0x40
[  407.288748]  ? __run_timers+0x7da/0xc70
[  407.292736]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.297239]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.301743]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  407.306609]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.311200]  ? trace_hardirqs_on+0xbd/0x310
[  407.315524]  ? kasan_check_read+0x11/0x20
[  407.319673]  ? __run_timers+0x7da/0xc70
[  407.323654]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.328781]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  407.333626]  __run_timers+0x7e5/0xc70
[  407.337444]  ? timer_fixup_init+0x70/0x70
[  407.341600]  ? lock_acquire+0x1ed/0x520
[  407.345599]  ? zap_class+0x640/0x640
[  407.349320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.354871]  ? kasan_check_read+0x11/0x20
[  407.359022]  ? do_raw_spin_lock+0x14f/0x350
[  407.363357]  ? find_held_lock+0x36/0x1c0
[  407.367430]  ? zap_class+0x640/0x640
[  407.371155]  ? pvclock_read_flags+0x160/0x160
[  407.375659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.381209]  ? check_preemption_disabled+0x48/0x280
[  407.386239]  ? __lock_is_held+0xb5/0x140
[  407.390306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.395869]  ? check_preemption_disabled+0x48/0x280
[  407.400897]  run_timer_softirq+0x52/0xb0
[  407.404972]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.410000]  __do_softirq+0x308/0xb7e
[  407.413809]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.418307]  ? lock_downgrade+0x900/0x900
[  407.422461]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.427578]  ? pvclock_read_flags+0x160/0x160
[  407.432083]  ? lapic_next_event+0x5a/0x90
[  407.436238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.441793]  ? kvm_clock_read+0x18/0x30
[  407.445774]  ? kvm_sched_clock_read+0x9/0x20
[  407.450192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.455740]  ? check_preemption_disabled+0x48/0x280
[  407.460774]  irq_exit+0x17f/0x1c0
[  407.464235]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.469098]  ? smp_reschedule_interrupt+0x109/0x650
[  407.474120]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.480009]  ? interrupt_entry+0xb5/0xc0
[  407.484076]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.489093]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.494115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.498968]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.503989]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.509047]  ? task_prio+0x50/0x50
[  407.512603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.518151]  ? check_preemption_disabled+0x48/0x280
[  407.523184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.528040]  apic_timer_interrupt+0xf/0x20
[  407.532274]  </IRQ>
[  407.534517] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  407.539452] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  407.558366] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  407.566080] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  407.573349] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  407.580618] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  407.587885] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  407.595154] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  407.602477]  skb_clone+0x1bb/0x500
[  407.606024]  ? finish_task_switch+0x1b4/0x910
[  407.610524]  ? skb_split+0x11e0/0x11e0
[  407.614418]  ? preempt_notifier_register+0x200/0x200
[  407.619521]  ? __switch_to_asm+0x34/0x70
[  407.623580]  ? __switch_to_asm+0x34/0x70
[  407.627738]  ? __switch_to_asm+0x40/0x70
[  407.631800]  ? __switch_to_asm+0x34/0x70
[  407.635861]  ? __switch_to_asm+0x40/0x70
[  407.639923]  ? __switch_to_asm+0x34/0x70
[  407.643989]  ? __switch_to_asm+0x40/0x70
[  407.648051]  ? __switch_to_asm+0x34/0x70
[  407.652119]  ? __switch_to_asm+0x34/0x70
[  407.656180]  ? __switch_to_asm+0x40/0x70
[  407.660244]  ? __switch_to_asm+0x34/0x70
[  407.664320]  bpf_clone_redirect+0xb9/0x490
[  407.668561]  ? __schedule+0x8d7/0x21d0
[  407.672457]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  407.677481]  ? __sched_text_start+0x8/0x8
[  407.681638]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.686223]  ? retint_kernel+0x2d/0x2d
[  407.690120]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.695059]  ? find_held_lock+0x36/0x1c0
[  407.699139]  ? lock_acquire+0x1ed/0x520
[  407.703120]  ? bpf_test_run+0x3cb/0x780
[  407.707102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.712646]  ? check_preemption_disabled+0x48/0x280
[  407.717676]  ? kasan_check_read+0x11/0x20
[  407.721830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.727109]  ? rcu_softirq_qs+0x20/0x20
[  407.731091]  ? preempt_schedule+0x4d/0x60
[  407.735245]  ? ___preempt_schedule+0x16/0x18
[  407.739674]  ? bpf_test_run+0x25d/0x780
[  407.743663]  ? netlink_diag_dump+0x2a0/0x2a0
[  407.748082]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.753622]  ? bpf_test_init.isra.10+0x70/0x100
[  407.758302]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  407.763071]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  407.767921]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  407.773482]  ? fput+0x130/0x1a0
[  407.776769]  ? __bpf_prog_get+0x9b/0x290
[  407.780842]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  407.785685]  ? bpf_prog_test_run+0x130/0x1a0
[  407.790104]  ? __x64_sys_bpf+0x3d8/0x520
[  407.794166]  ? bpf_prog_get+0x20/0x20
[  407.798001]  ? do_syscall_64+0x1b9/0x820
[  407.802068]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  407.807443]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.812376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.817225]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.822248]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  407.827267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.832810]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.837830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.842682]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  407.848068] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  407.848155] aoe: skb alloc failure
[  407.855180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.855204] Workqueue: events_power_efficient neigh_periodic_work
[  407.858792] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.868064] Call Trace:
[  407.874287] syz-executor1 cpuset=syz1 mems_allowed=0
[  407.884762]  <IRQ>
[  407.894586]  dump_stack+0x244/0x39d
[  407.898227]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.903434]  warn_alloc.cold.116+0xb7/0x1bd
[  407.907762]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.912641]  ? lock_downgrade+0x900/0x900
[  407.916813]  ? trace_hardirqs_off+0xb8/0x310
[  407.921237]  ? trace_hardirqs_off+0xb8/0x310
[  407.925663]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.930537]  ? warn_alloc+0x120/0x120
[  407.934348]  ? print_usage_bug+0xc0/0xc0
[  407.938415]  ? warn_alloc+0x120/0x120
[  407.942238]  ? warn_alloc+0x120/0x120
[  407.946050]  ? print_usage_bug+0xc0/0xc0
[  407.950128]  ? kvm_clock_read+0x18/0x30
[  407.954109]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  407.959128]  ? print_usage_bug+0xc0/0xc0
[  407.963193]  ? __lock_acquire+0x62f/0x4c20
[  407.967442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.972995]  ? should_fail+0x22d/0xd01
[  407.976892]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.982201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.987318]  ? __lock_acquire+0x62f/0x4c20
[  407.991560]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.996664]  ? __lock_acquire+0x62f/0x4c20
[  408.000898]  ? should_fail+0x22d/0xd01
[  408.004784]  ? rcu_irq_exit+0x1a2/0x390
[  408.008795]  ? mark_held_locks+0x130/0x130
[  408.013212]  ? mark_held_locks+0x130/0x130
[  408.017466]  ? mark_held_locks+0xc7/0x130
[  408.021618]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  408.026635]  ? zap_class+0x640/0x640
[  408.030351]  ? print_usage_bug+0xc0/0xc0
[  408.034420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.039987]  ? check_preemption_disabled+0x48/0x280
[  408.045042]  ? __lock_is_held+0xb5/0x140
[  408.049114]  __alloc_pages_nodemask+0xa80/0xde0
[  408.053795]  ? zap_class+0x640/0x640
[  408.057518]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.062551]  ? find_held_lock+0x36/0x1c0
[  408.066626]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.071298]  ? lock_downgrade+0x900/0x900
[  408.075457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.081010]  cache_grow_begin+0xa5/0x8c0
[  408.085080]  ? do_raw_spin_unlock+0xa7/0x330
[  408.089500]  fallback_alloc+0x204/0x2e0
[  408.093488]  ____cache_alloc_node+0x1c7/0x1e0
[  408.097991]  kmem_cache_alloc_node+0xe3/0x730
[  408.102491]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.106740]  __alloc_skb+0x119/0x770
[  408.110457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.115741]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.120154]  ? lock_downgrade+0x900/0x900
[  408.124316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.129855]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.135315]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.140768]  ? addrconf_rs_timer+0x690/0x690
[  408.145191]  ndisc_alloc_skb+0x144/0x340
[  408.149263]  ndisc_send_rs+0x331/0x6e0
[  408.153160]  addrconf_rs_timer+0x314/0x690
[  408.157402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.161655]  call_timer_fn+0x272/0x920
[  408.165548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.169797]  ? process_timeout+0x40/0x40
[  408.173872]  ? mark_held_locks+0xc7/0x130
[  408.178024]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.182521]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.187019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.191254]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.195842]  ? trace_hardirqs_on+0xbd/0x310
[  408.200173]  ? kasan_check_read+0x11/0x20
[  408.204333]  ? __run_timers+0x7da/0xc70
[  408.208313]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.213429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.217674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.221910]  __run_timers+0x7e5/0xc70
[  408.225737]  ? timer_fixup_init+0x70/0x70
[  408.229894]  ? lock_downgrade+0x900/0x900
[  408.234041]  ? zap_class+0x640/0x640
[  408.237767]  ? print_usage_bug+0xc0/0xc0
[  408.241833]  ? trace_hardirqs_on+0x310/0x310
[  408.246256]  ? kvm_clock_read+0x18/0x30
[  408.250259]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.255303]  ? ktime_get+0x2c1/0x400
[  408.259023]  ? zap_class+0x640/0x640
[  408.262750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.268295]  ? check_preemption_disabled+0x48/0x280
[  408.273326]  ? __lock_is_held+0xb5/0x140
[  408.277391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.282931]  ? check_preemption_disabled+0x48/0x280
[  408.287989]  run_timer_softirq+0x52/0xb0
[  408.292053]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.297077]  __do_softirq+0x308/0xb7e
[  408.300893]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.306007]  ? irq_exit+0xbd/0x1c0
[  408.309549]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  408.314567]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.320459]  ? ret_from_intr+0xb/0x1e
[  408.324273]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.329298]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.334146]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.339164]  ? task_prio+0x50/0x50
[  408.342710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.348258]  ? check_preemption_disabled+0x48/0x280
[  408.353288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.358147]  ? neigh_periodic_work+0x6bd/0xc60
[  408.362743]  do_softirq_own_stack+0x2a/0x40
[  408.367067]  </IRQ>
[  408.369317]  do_softirq.part.14+0x126/0x160
[  408.373647]  __local_bh_enable_ip+0x21d/0x260
[  408.378150]  _raw_write_unlock_bh+0x30/0x40
[  408.382482]  neigh_periodic_work+0x6bd/0xc60
[  408.386927]  ? neigh_table_clear+0x390/0x390
[  408.391350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.396900]  ? check_preemption_disabled+0x48/0x280
[  408.401939]  ? __lock_is_held+0xb5/0x140
[  408.406023]  process_one_work+0xc90/0x1c40
[  408.410268]  ? mark_held_locks+0x130/0x130
[  408.414524]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  408.419200]  ? __switch_to_asm+0x40/0x70
[  408.423273]  ? __switch_to_asm+0x40/0x70
[  408.427337]  ? __switch_to_asm+0x34/0x70
[  408.431398]  ? __switch_to_asm+0x40/0x70
[  408.435462]  ? __switch_to_asm+0x34/0x70
[  408.439525]  ? __switch_to_asm+0x40/0x70
[  408.443587]  ? __switch_to_asm+0x34/0x70
[  408.447646]  ? __switch_to_asm+0x40/0x70
[  408.451723]  ? __schedule+0x8d7/0x21d0
[  408.455627]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.460655]  ? lock_downgrade+0x900/0x900
[  408.464815]  ? zap_class+0x640/0x640
[  408.468534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.473402]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.478012]  ? lock_acquire+0x1ed/0x520
[  408.481996]  ? worker_thread+0x3e0/0x1390
[  408.486161]  ? kasan_check_read+0x11/0x20
[  408.490320]  ? do_raw_spin_lock+0x14f/0x350
[  408.494647]  ? kasan_check_read+0x11/0x20
[  408.498807]  ? rwlock_bug.part.2+0x90/0x90
[  408.503046]  ? trace_hardirqs_on+0x310/0x310
[  408.507475]  worker_thread+0x17f/0x1390
[  408.511453]  ? __switch_to_asm+0x34/0x70
[  408.515530]  ? process_one_work+0x1c40/0x1c40
[  408.520044]  ? zap_class+0x640/0x640
[  408.523764]  ? find_held_lock+0x36/0x1c0
[  408.527854]  ? __kthread_parkme+0xce/0x1a0
[  408.532098]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.537211]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.542334]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.546925]  ? trace_hardirqs_on+0xbd/0x310
[  408.551259]  ? kasan_check_read+0x11/0x20
[  408.555414]  ? __kthread_parkme+0xce/0x1a0
[  408.559654]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.564764]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.569879]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  408.574986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.580526]  ? __kthread_parkme+0xfb/0x1a0
[  408.584768]  ? process_one_work+0x1c40/0x1c40
[  408.589270]  kthread+0x35a/0x440
[  408.592644]  ? kthread_stop+0x900/0x900
[  408.596623]  ret_from_fork+0x3a/0x50
[  408.600363] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  408.600369] warn_alloc_show_mem: 1 callbacks suppressed
[  408.600377] Mem-Info:
[  408.607750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.613121] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  408.613121]  active_file:16 inactive_file:3 isolated_file:0
[  408.613121]  unevictable:0 dirty:0 writeback:0 unstable:0
[  408.613121]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  408.613121]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  408.613121]  free:13690 free_pcp:879 free_cma:0
[  408.615501] Call Trace:
[  408.624895] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  408.657847]  <IRQ>
[  408.660430] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  408.688294]  dump_stack+0x244/0x39d
[  408.690428] lowmem_reserve[]: 0 2818 6321 6321
[  408.716544]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.720150] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  408.724776]  warn_alloc.cold.116+0xb7/0x1bd
[  408.729939] lowmem_reserve[]: 0 0 3503 3503
[  408.757547]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.761861] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  408.766181]  ? lock_downgrade+0x900/0x900
[  408.771002] lowmem_reserve[]: 0 0 0 0
[  408.800337]  ? trace_hardirqs_off+0xb8/0x310
[  408.804464] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  408.808267]  ? trace_hardirqs_off+0xb8/0x310
[  408.812655] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  408.826192]  __alloc_pages_slowpath+0x26e8/0x2e10
[  408.830576] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  408.845872]  ? warn_alloc+0x120/0x120
[  408.850681] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  408.864643]  ? warn_alloc+0x120/0x120
[  408.868431] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  408.877265]  ? warn_alloc+0x120/0x120
[  408.881042] 4380 total pagecache pages
[  408.889620]  ? print_usage_bug+0xc0/0xc0
[  408.893403] 0 pages in swap cache
[  408.897298]  ? print_usage_bug+0xc0/0xc0
[  408.901346] Swap cache stats: add 0, delete 0, find 0/0
[  408.905022]  ? ktime_get+0x2c1/0x400
[  408.909085] Free swap  = 0kB
[  408.914453]  ? check_preemption_disabled+0x48/0x280
[  408.918155] Total swap = 0kB
[  408.921198]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.926199] 1965979 pages RAM
[  408.929220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.933696] 0 pages HighMem/MovableOnly
[  408.936809]  ? should_fail+0x22d/0xd01
[  408.942351] 342854 pages reserved
[  408.946326]  ? kasan_check_read+0x11/0x20
[  408.950189] 0 pages cma reserved
[  408.953641]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.957846] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.961137]  ? __lock_acquire+0x62f/0x4c20
[  408.966298] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.972706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.976919] kworker/0:2 cpuset=/ mems_allowed=0
[  408.987238]  ? should_fail+0x22d/0xd01
[  409.000881]  ? print_usage_bug+0xc0/0xc0
[  409.004968]  ? mark_held_locks+0x130/0x130
[  409.009211]  ? mark_held_locks+0x130/0x130
[  409.013455]  ? check_preemption_disabled+0x48/0x280
[  409.018486]  ? zap_class+0x640/0x640
[  409.022206]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  409.026979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.032528]  ? check_preemption_disabled+0x48/0x280
[  409.037560]  ? __lock_is_held+0xb5/0x140
[  409.041631]  __alloc_pages_nodemask+0xa80/0xde0
[  409.046305]  ? zap_class+0x640/0x640
[  409.050026]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.055058]  ? find_held_lock+0x36/0x1c0
[  409.059132]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.063804]  ? lock_downgrade+0x900/0x900
[  409.067971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.073517]  cache_grow_begin+0xa5/0x8c0
[  409.077588]  ? do_raw_spin_unlock+0xa7/0x330
[  409.082010]  fallback_alloc+0x204/0x2e0
[  409.086001]  ____cache_alloc_node+0x1c7/0x1e0
[  409.090525]  kmem_cache_alloc_node+0xe3/0x730
[  409.095029]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.099626]  __alloc_skb+0x119/0x770
[  409.103341]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  409.108710]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.113138]  ? vprintk_default+0x28/0x30
[  409.117201]  ? vprintk_func+0x85/0x181
[  409.121098]  ? printk+0xa7/0xcf
[  409.124387]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  409.129176]  new_skb+0x26/0x1c0
[  409.132459]  aoecmd_cfg+0x279/0x7f0
[  409.136090]  ? find_held_lock+0x36/0x1c0
[  409.140155]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  409.144486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.150040]  ? __lock_is_held+0xb5/0x140
[  409.154117]  discover_timer+0x50/0x60
[  409.157923]  call_timer_fn+0x272/0x920
[  409.161821]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  409.166667]  ? process_timeout+0x40/0x40
[  409.170749]  ? __run_timers+0x7da/0xc70
[  409.174738]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.179258]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.183762]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  409.188637]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.193221]  ? trace_hardirqs_on+0xbd/0x310
[  409.197566]  ? kasan_check_read+0x11/0x20
[  409.201725]  ? __run_timers+0x7da/0xc70
[  409.205704]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.210831]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  409.215700]  __run_timers+0x7e5/0xc70
[  409.219522]  ? timer_fixup_init+0x70/0x70
[  409.223680]  ? lock_acquire+0x1ed/0x520
[  409.227674]  ? zap_class+0x640/0x640
[  409.231391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.237004]  ? kasan_check_read+0x11/0x20
[  409.241155]  ? do_raw_spin_lock+0x14f/0x350
[  409.245488]  ? find_held_lock+0x36/0x1c0
[  409.249556]  ? zap_class+0x640/0x640
[  409.253298]  ? pvclock_read_flags+0x160/0x160
[  409.257799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.263341]  ? check_preemption_disabled+0x48/0x280
[  409.268370]  ? __lock_is_held+0xb5/0x140
[  409.272439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.277987]  ? check_preemption_disabled+0x48/0x280
[  409.283050]  run_timer_softirq+0x52/0xb0
[  409.287114]  ? rcu_read_lock_sched_held+0x14f/0x180
[  409.292155]  __do_softirq+0x308/0xb7e
[  409.295973]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  409.300476]  ? lock_downgrade+0x900/0x900
[  409.304634]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  409.309761]  ? pvclock_read_flags+0x160/0x160
[  409.314289]  ? lapic_next_event+0x5a/0x90
[  409.318447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.324002]  ? kvm_clock_read+0x18/0x30
[  409.327980]  ? kvm_sched_clock_read+0x9/0x20
[  409.332397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.337949]  ? check_preemption_disabled+0x48/0x280
[  409.342999]  irq_exit+0x17f/0x1c0
[  409.346460]  smp_apic_timer_interrupt+0x1cb/0x760
[  409.351304]  ? smp_reschedule_interrupt+0x109/0x650
[  409.356332]  ? smp_call_function_single_interrupt+0x650/0x650
[  409.362217]  ? interrupt_entry+0xb5/0xc0
[  409.366282]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.371297]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.376320]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.381173]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.386191]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.391209]  ? task_prio+0x50/0x50
[  409.394758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.400303]  ? check_preemption_disabled+0x48/0x280
[  409.405325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.410179]  apic_timer_interrupt+0xf/0x20
[  409.414409]  </IRQ>
[  409.416651] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  409.421599] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  409.440516] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  409.448232] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  409.455501] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  409.462772] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  409.470054] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  409.477320] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  409.484633]  skb_clone+0x1bb/0x500
[  409.488192]  ? finish_task_switch+0x1b4/0x910
[  409.492709]  ? skb_split+0x11e0/0x11e0
[  409.496609]  ? preempt_notifier_register+0x200/0x200
[  409.501722]  ? __switch_to_asm+0x34/0x70
[  409.505785]  ? __switch_to_asm+0x34/0x70
[  409.509846]  ? __switch_to_asm+0x40/0x70
[  409.513920]  ? __switch_to_asm+0x34/0x70
[  409.518001]  ? __switch_to_asm+0x40/0x70
[  409.522063]  ? __switch_to_asm+0x34/0x70
[  409.526127]  ? __switch_to_asm+0x40/0x70
[  409.530185]  ? __switch_to_asm+0x34/0x70
[  409.534249]  ? __switch_to_asm+0x34/0x70
[  409.538309]  ? __switch_to_asm+0x40/0x70
[  409.542372]  ? __switch_to_asm+0x34/0x70
[  409.546446]  bpf_clone_redirect+0xb9/0x490
[  409.550730]  ? __schedule+0x8d7/0x21d0
[  409.554651]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  409.559674]  ? __sched_text_start+0x8/0x8
[  409.563828]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.568436]  ? retint_kernel+0x2d/0x2d
[  409.572326]  ? trace_hardirqs_on_caller+0xc0/0x310
[  409.577264]  ? find_held_lock+0x36/0x1c0
[  409.581347]  ? lock_acquire+0x1ed/0x520
[  409.585341]  ? bpf_test_run+0x3cb/0x780
[  409.589321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.594875]  ? check_preemption_disabled+0x48/0x280
[  409.599901]  ? kasan_check_read+0x11/0x20
[  409.604054]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.609334]  ? rcu_softirq_qs+0x20/0x20
[  409.613314]  ? preempt_schedule+0x4d/0x60
[  409.617470]  ? ___preempt_schedule+0x16/0x18
[  409.621901]  ? bpf_test_run+0x25d/0x780
[  409.625900]  ? netlink_diag_dump+0x2a0/0x2a0
[  409.630332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.635895]  ? bpf_test_init.isra.10+0x70/0x100
[  409.640572]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  409.645348]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  409.650190]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  409.655749]  ? fput+0x130/0x1a0
[  409.659035]  ? __bpf_prog_get+0x9b/0x290
[  409.663104]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  409.667948]  ? bpf_prog_test_run+0x130/0x1a0
[  409.672373]  ? __x64_sys_bpf+0x3d8/0x520
[  409.676437]  ? bpf_prog_get+0x20/0x20
[  409.680260]  ? do_syscall_64+0x1b9/0x820
[  409.684323]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  409.689689]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.694637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.699483]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.704500]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  409.709532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.715072]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.720096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.724946]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  409.730339] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  409.730424] aoe: skb alloc failure
[  409.737453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.737477] Workqueue: events_power_efficient neigh_periodic_work
[  409.741064] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.750344] Call Trace:
[  409.756569] syz-executor1 cpuset=syz1 mems_allowed=0
[  409.767042]  <IRQ>
[  409.776856]  dump_stack+0x244/0x39d
[  409.780491]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.785698]  warn_alloc.cold.116+0xb7/0x1bd
[  409.790033]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.794889]  ? lock_downgrade+0x900/0x900
[  409.799054]  ? trace_hardirqs_off+0xb8/0x310
[  409.803470]  ? trace_hardirqs_off+0xb8/0x310
[  409.807900]  __alloc_pages_slowpath+0x26e8/0x2e10
[  409.812779]  ? warn_alloc+0x120/0x120
[  409.816585]  ? print_usage_bug+0xc0/0xc0
[  409.820670]  ? warn_alloc+0x120/0x120
[  409.824474]  ? warn_alloc+0x120/0x120
[  409.828279]  ? print_usage_bug+0xc0/0xc0
[  409.832348]  ? print_usage_bug+0xc0/0xc0
[  409.836410]  ? __lock_acquire+0x62f/0x4c20
[  409.840658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.846201]  ? should_fail+0x22d/0xd01
[  409.850100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.855242]  ? __lock_acquire+0x62f/0x4c20
[  409.859485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.864601]  ? __lock_acquire+0x62f/0x4c20
[  409.868834]  ? should_fail+0x22d/0xd01
[  409.872736]  ? find_held_lock+0x36/0x1c0
[  409.876808]  ? mark_held_locks+0x130/0x130
[  409.881053]  ? mark_held_locks+0x130/0x130
[  409.885291]  ? zap_class+0x640/0x640
[  409.889009]  ? zap_class+0x640/0x640
[  409.892758]  ? print_usage_bug+0xc0/0xc0
[  409.896823]  ? do_raw_spin_unlock+0xa7/0x330
[  409.901238]  ? zap_class+0x640/0x640
[  409.904953]  ? print_usage_bug+0xc0/0xc0
[  409.909041]  ? wq_watchdog_touch+0x9c/0xfe
[  409.913310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.918886]  ? check_preemption_disabled+0x48/0x280
[  409.923917]  ? __lock_is_held+0xb5/0x140
[  409.927996]  __alloc_pages_nodemask+0xa80/0xde0
[  409.932670]  ? zap_class+0x640/0x640
[  409.936391]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.941423]  ? find_held_lock+0x36/0x1c0
[  409.945501]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.950175]  ? lock_downgrade+0x900/0x900
[  409.954337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.959894]  cache_grow_begin+0xa5/0x8c0
[  409.963951]  ? do_raw_spin_unlock+0xa7/0x330
[  409.968400]  fallback_alloc+0x204/0x2e0
[  409.972405]  ____cache_alloc_node+0x1c7/0x1e0
[  409.976913]  kmem_cache_alloc_node+0xe3/0x730
[  409.981413]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.985660]  __alloc_skb+0x119/0x770
[  409.989373]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.994654]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.999103]  ? lock_downgrade+0x900/0x900
[  410.003260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.008799]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.014419]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.019877]  ? addrconf_rs_timer+0x690/0x690
[  410.024328]  ndisc_alloc_skb+0x144/0x340
[  410.028396]  ndisc_send_rs+0x331/0x6e0
[  410.032296]  addrconf_rs_timer+0x314/0x690
[  410.036543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.040790]  call_timer_fn+0x272/0x920
[  410.044682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.048930]  ? process_timeout+0x40/0x40
[  410.053017]  ? mark_held_locks+0xc7/0x130
[  410.057171]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.061666]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.066161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.070403]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.074988]  ? trace_hardirqs_on+0xbd/0x310
[  410.079331]  ? kasan_check_read+0x11/0x20
[  410.083481]  ? __run_timers+0x7da/0xc70
[  410.087485]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.092595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.096837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.101071]  __run_timers+0x7e5/0xc70
[  410.104892]  ? timer_fixup_init+0x70/0x70
[  410.109049]  ? lock_downgrade+0x900/0x900
[  410.113199]  ? zap_class+0x640/0x640
[  410.116931]  ? print_usage_bug+0xc0/0xc0
[  410.120997]  ? trace_hardirqs_on+0x310/0x310
[  410.125424]  ? kvm_clock_read+0x18/0x30
[  410.129402]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  410.134425]  ? ktime_get+0x2c1/0x400
[  410.138144]  ? zap_class+0x640/0x640
[  410.141864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.147410]  ? check_preemption_disabled+0x48/0x280
[  410.152441]  ? __lock_is_held+0xb5/0x140
[  410.156503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.162051]  ? check_preemption_disabled+0x48/0x280
[  410.167076]  run_timer_softirq+0x52/0xb0
[  410.171141]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.176188]  __do_softirq+0x308/0xb7e
[  410.180022]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.185134]  ? irq_exit+0xbd/0x1c0
[  410.188681]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  410.193722]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.199617]  ? ret_from_intr+0xb/0x1e
[  410.203452]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.208493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.213345]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.218364]  ? task_prio+0x50/0x50
[  410.221909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.227450]  ? check_preemption_disabled+0x48/0x280
[  410.232479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.237330]  ? neigh_periodic_work+0x6bd/0xc60
[  410.241917]  do_softirq_own_stack+0x2a/0x40
[  410.246242]  </IRQ>
[  410.248487]  do_softirq.part.14+0x126/0x160
[  410.252826]  __local_bh_enable_ip+0x21d/0x260
[  410.257347]  _raw_write_unlock_bh+0x30/0x40
[  410.261677]  neigh_periodic_work+0x6bd/0xc60
[  410.266102]  ? neigh_table_clear+0x390/0x390
[  410.270517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.276061]  ? check_preemption_disabled+0x48/0x280
[  410.281096]  ? __lock_is_held+0xb5/0x140
[  410.285174]  process_one_work+0xc90/0x1c40
[  410.289412]  ? mark_held_locks+0x130/0x130
[  410.293661]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  410.298333]  ? __switch_to_asm+0x40/0x70
[  410.302396]  ? __switch_to_asm+0x40/0x70
[  410.306456]  ? __switch_to_asm+0x34/0x70
[  410.310517]  ? __switch_to_asm+0x40/0x70
[  410.314581]  ? __switch_to_asm+0x34/0x70
[  410.318644]  ? __switch_to_asm+0x40/0x70
[  410.322703]  ? __switch_to_asm+0x34/0x70
[  410.326775]  ? __switch_to_asm+0x40/0x70
[  410.330843]  ? __schedule+0x8d7/0x21d0
[  410.334749]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.339780]  ? lock_downgrade+0x900/0x900
[  410.343938]  ? zap_class+0x640/0x640
[  410.347655]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.352517]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.357119]  ? lock_acquire+0x1ed/0x520
[  410.361094]  ? worker_thread+0x3e0/0x1390
[  410.365255]  ? kasan_check_read+0x11/0x20
[  410.369407]  ? do_raw_spin_lock+0x14f/0x350
[  410.373733]  ? kasan_check_read+0x11/0x20
[  410.377887]  ? rwlock_bug.part.2+0x90/0x90
[  410.382125]  ? trace_hardirqs_on+0x310/0x310
[  410.386550]  worker_thread+0x17f/0x1390
[  410.390525]  ? __switch_to_asm+0x34/0x70
[  410.394867]  ? process_one_work+0x1c40/0x1c40
[  410.399378]  ? zap_class+0x640/0x640
[  410.403099]  ? find_held_lock+0x36/0x1c0
[  410.407189]  ? __kthread_parkme+0xce/0x1a0
[  410.411436]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  410.416541]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  410.421647]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.426238]  ? trace_hardirqs_on+0xbd/0x310
[  410.430562]  ? kasan_check_read+0x11/0x20
[  410.434716]  ? __kthread_parkme+0xce/0x1a0
[  410.438955]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.444062]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.449193]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  410.454306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.459845]  ? __kthread_parkme+0xfb/0x1a0
[  410.464089]  ? process_one_work+0x1c40/0x1c40
[  410.468590]  kthread+0x35a/0x440
[  410.471962]  ? kthread_stop+0x900/0x900
[  410.475945]  ret_from_fork+0x3a/0x50
[  410.479678] warn_alloc_show_mem: 1 callbacks suppressed
[  410.479691] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  410.479693] Mem-Info:
[  410.479725] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  410.479725]  active_file:16 inactive_file:3 isolated_file:0
[  410.479725]  unevictable:0 dirty:0 writeback:0 unstable:0
[  410.479725]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  410.479725]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  410.479725]  free:13690 free_pcp:879 free_cma:0
[  410.485079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.492457] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  410.494853] Call Trace:
[  410.527816] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  410.537172]  <IRQ>
[  410.565012] lowmem_reserve[]: 0 2818 6321 6321
[  410.567610]  dump_stack+0x244/0x39d
[  410.593737] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  410.595919]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.600463] lowmem_reserve[]: 0 0 3503 3503
[  410.604129]  warn_alloc.cold.116+0xb7/0x1bd
[  410.631701] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  410.636915]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.641206] lowmem_reserve[]: 0 0 0 0
[  410.645529]  ? lock_downgrade+0x900/0x900
[  410.674844] 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
[  410.679708]  ? trace_hardirqs_off+0xb8/0x310
[  410.683483] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  410.687632]  ? trace_hardirqs_off+0xb8/0x310
[  410.701143] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  410.705562]  __alloc_pages_slowpath+0x26e8/0x2e10
[  410.720829] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  410.725295]  ? warn_alloc+0x120/0x120
[  410.739231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  410.744067]  ? warn_alloc+0x120/0x120
[  410.752890] 4380 total pagecache pages
[  410.756692]  ? warn_alloc+0x120/0x120
[  410.765258] 0 pages in swap cache
[  410.769054]  ? print_usage_bug+0xc0/0xc0
[  410.772922] Swap cache stats: add 0, delete 0, find 0/0
[  410.776725]  ? print_usage_bug+0xc0/0xc0
[  410.780143] Free swap  = 0kB
[  410.780152] Total swap = 0kB
[  410.784236]  ? ktime_get+0x2c1/0x400
[  410.789583] 1965979 pages RAM
[  410.793644]  ? check_preemption_disabled+0x48/0x280
[  410.796639] 0 pages HighMem/MovableOnly
[  410.799655]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.803345] 342854 pages reserved
[  410.803354] 0 pages cma reserved
[  410.806464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.811563] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.815458]  ? should_fail+0x22d/0xd01
[  410.820060] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.823461]  ? kasan_check_read+0x11/0x20
[  410.826819] kworker/0:2 cpuset=/ mems_allowed=0
[  410.832354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.866899]  ? __lock_acquire+0x62f/0x4c20
[  410.871145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.876255]  ? should_fail+0x22d/0xd01
[  410.880147]  ? print_usage_bug+0xc0/0xc0
[  410.884224]  ? mark_held_locks+0x130/0x130
[  410.888471]  ? mark_held_locks+0x130/0x130
[  410.892715]  ? check_preemption_disabled+0x48/0x280
[  410.897752]  ? zap_class+0x640/0x640
[  410.901472]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  410.906431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.912066]  ? check_preemption_disabled+0x48/0x280
[  410.917097]  ? __lock_is_held+0xb5/0x140
[  410.921173]  __alloc_pages_nodemask+0xa80/0xde0
[  410.925846]  ? zap_class+0x640/0x640
[  410.929570]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  410.934602]  ? find_held_lock+0x36/0x1c0
[  410.938685]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.943373]  ? lock_downgrade+0x900/0x900
[  410.947531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.953077]  cache_grow_begin+0xa5/0x8c0
[  410.957141]  ? do_raw_spin_unlock+0xa7/0x330
[  410.961570]  fallback_alloc+0x204/0x2e0
[  410.965554]  ____cache_alloc_node+0x1c7/0x1e0
[  410.970055]  kmem_cache_alloc_node+0xe3/0x730
[  410.974575]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.979178]  __alloc_skb+0x119/0x770
[  410.982893]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  410.988266]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.992692]  ? vprintk_default+0x28/0x30
[  410.996765]  ? vprintk_func+0x85/0x181
[  411.000657]  ? printk+0xa7/0xcf
[  411.003940]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  411.008734]  new_skb+0x26/0x1c0
[  411.012019]  aoecmd_cfg+0x279/0x7f0
[  411.015658]  ? find_held_lock+0x36/0x1c0
[  411.019731]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  411.024069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.029626]  ? __lock_is_held+0xb5/0x140
[  411.033702]  discover_timer+0x50/0x60
[  411.037515]  call_timer_fn+0x272/0x920
[  411.041404]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  411.046254]  ? process_timeout+0x40/0x40
[  411.050338]  ? __run_timers+0x7da/0xc70
[  411.054316]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.058820]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.063312]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  411.068182]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.072766]  ? trace_hardirqs_on+0xbd/0x310
[  411.077089]  ? kasan_check_read+0x11/0x20
[  411.081239]  ? __run_timers+0x7da/0xc70
[  411.085219]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.090356]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  411.095202]  __run_timers+0x7e5/0xc70
[  411.099018]  ? timer_fixup_init+0x70/0x70
[  411.103174]  ? lock_acquire+0x1ed/0x520
[  411.107150]  ? zap_class+0x640/0x640
[  411.110869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.116418]  ? kasan_check_read+0x11/0x20
[  411.120572]  ? do_raw_spin_lock+0x14f/0x350
[  411.124917]  ? find_held_lock+0x36/0x1c0
[  411.128990]  ? zap_class+0x640/0x640
[  411.132711]  ? pvclock_read_flags+0x160/0x160
[  411.137221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.142769]  ? check_preemption_disabled+0x48/0x280
[  411.147802]  ? __lock_is_held+0xb5/0x140
[  411.151881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.157458]  ? check_preemption_disabled+0x48/0x280
[  411.162542]  run_timer_softirq+0x52/0xb0
[  411.166608]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.171628]  __do_softirq+0x308/0xb7e
[  411.175435]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  411.179936]  ? lock_downgrade+0x900/0x900
[  411.184102]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.189241]  ? pvclock_read_flags+0x160/0x160
[  411.193760]  ? lapic_next_event+0x5a/0x90
[  411.197920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.203472]  ? kvm_clock_read+0x18/0x30
[  411.207453]  ? kvm_sched_clock_read+0x9/0x20
[  411.211881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.217422]  ? check_preemption_disabled+0x48/0x280
[  411.222463]  irq_exit+0x17f/0x1c0
[  411.225924]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.230811]  ? smp_reschedule_interrupt+0x109/0x650
[  411.235832]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.241723]  ? interrupt_entry+0xb5/0xc0
[  411.245790]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.250809]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.255831]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.260684]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.265747]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.270775]  ? task_prio+0x50/0x50
[  411.274323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.279865]  ? check_preemption_disabled+0x48/0x280
[  411.284895]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.289755]  apic_timer_interrupt+0xf/0x20
[  411.293990]  </IRQ>
[  411.296240] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  411.301175] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  411.320081] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  411.327816] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  411.335085] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  411.342353] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  411.349632] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  411.356901] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  411.364222]  skb_clone+0x1bb/0x500
[  411.367771]  ? finish_task_switch+0x1b4/0x910
[  411.372272]  ? skb_split+0x11e0/0x11e0
[  411.376185]  ? preempt_notifier_register+0x200/0x200
[  411.381291]  ? __switch_to_asm+0x34/0x70
[  411.385356]  ? __switch_to_asm+0x34/0x70
[  411.389416]  ? __switch_to_asm+0x40/0x70
[  411.393474]  ? __switch_to_asm+0x34/0x70
[  411.397539]  ? __switch_to_asm+0x40/0x70
[  411.401600]  ? __switch_to_asm+0x34/0x70
[  411.405663]  ? __switch_to_asm+0x40/0x70
[  411.409730]  ? __switch_to_asm+0x34/0x70
[  411.413798]  ? __switch_to_asm+0x34/0x70
[  411.417859]  ? __switch_to_asm+0x40/0x70
[  411.421923]  ? __switch_to_asm+0x34/0x70
[  411.426006]  bpf_clone_redirect+0xb9/0x490
[  411.430248]  ? __schedule+0x8d7/0x21d0
[  411.434146]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  411.439195]  ? __sched_text_start+0x8/0x8
[  411.443367]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.447948]  ? retint_kernel+0x2d/0x2d
[  411.451860]  ? trace_hardirqs_on_caller+0xc0/0x310
[  411.456796]  ? find_held_lock+0x36/0x1c0
[  411.460897]  ? lock_acquire+0x1ed/0x520
[  411.464876]  ? bpf_test_run+0x3cb/0x780
[  411.468857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.474450]  ? check_preemption_disabled+0x48/0x280
[  411.479481]  ? kasan_check_read+0x11/0x20
[  411.483630]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.488908]  ? rcu_softirq_qs+0x20/0x20
[  411.492936]  ? preempt_schedule+0x4d/0x60
[  411.497102]  ? ___preempt_schedule+0x16/0x18
[  411.501522]  ? bpf_test_run+0x25d/0x780
[  411.505515]  ? netlink_diag_dump+0x2a0/0x2a0
[  411.509927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.515499]  ? bpf_test_init.isra.10+0x70/0x100
[  411.520182]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  411.524952]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  411.529820]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  411.535359]  ? fput+0x130/0x1a0
[  411.538642]  ? __bpf_prog_get+0x9b/0x290
[  411.542708]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  411.547555]  ? bpf_prog_test_run+0x130/0x1a0
[  411.551980]  ? __x64_sys_bpf+0x3d8/0x520
[  411.556047]  ? bpf_prog_get+0x20/0x20
[  411.559870]  ? do_syscall_64+0x1b9/0x820
[  411.563935]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  411.569315]  ? syscall_return_slowpath+0x5e0/0x5e0
[  411.574263]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.579127]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.584148]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  411.589167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.594712]  ? prepare_exit_to_usermode+0x291/0x3b0
[  411.599749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.604606]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  411.610000] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  411.610089] aoe: skb alloc failure
[  411.617117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.617142] Workqueue: events_power_efficient neigh_periodic_work
[  411.620741] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.630008] Call Trace:
[  411.636235] syz-executor1 cpuset=syz1 mems_allowed=0
[  411.646708]  <IRQ>
[  411.656606]  dump_stack+0x244/0x39d
[  411.660243]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.665486]  warn_alloc.cold.116+0xb7/0x1bd
[  411.669833]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.674684]  ? lock_downgrade+0x900/0x900
[  411.678844]  ? trace_hardirqs_off+0xb8/0x310
[  411.683263]  ? trace_hardirqs_off+0xb8/0x310
[  411.687684]  __alloc_pages_slowpath+0x26e8/0x2e10
[  411.692556]  ? warn_alloc+0x120/0x120
[  411.696360]  ? print_usage_bug+0xc0/0xc0
[  411.700425]  ? warn_alloc+0x120/0x120
[  411.704237]  ? warn_alloc+0x120/0x120
[  411.708045]  ? print_usage_bug+0xc0/0xc0
[  411.712108]  ? kvm_clock_read+0x18/0x30
[  411.716121]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  411.721146]  ? print_usage_bug+0xc0/0xc0
[  411.725209]  ? __lock_acquire+0x62f/0x4c20
[  411.729458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.735000]  ? should_fail+0x22d/0xd01
[  411.738892]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.744185]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.749298]  ? __lock_acquire+0x62f/0x4c20
[  411.753545]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.758647]  ? __lock_acquire+0x62f/0x4c20
[  411.762885]  ? should_fail+0x22d/0xd01
[  411.766770]  ? rcu_irq_exit+0x1a2/0x390
[  411.770769]  ? mark_held_locks+0x130/0x130
[  411.775041]  ? mark_held_locks+0x130/0x130
[  411.779282]  ? mark_held_locks+0xc7/0x130
[  411.783443]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  411.788470]  ? zap_class+0x640/0x640
[  411.792186]  ? print_usage_bug+0xc0/0xc0
[  411.796285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.801832]  ? check_preemption_disabled+0x48/0x280
[  411.806859]  ? __lock_is_held+0xb5/0x140
[  411.810932]  __alloc_pages_nodemask+0xa80/0xde0
[  411.815604]  ? zap_class+0x640/0x640
[  411.819327]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.824358]  ? find_held_lock+0x36/0x1c0
[  411.828438]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.833118]  ? lock_downgrade+0x900/0x900
[  411.837282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.842850]  cache_grow_begin+0xa5/0x8c0
[  411.846935]  ? do_raw_spin_unlock+0xa7/0x330
[  411.851355]  fallback_alloc+0x204/0x2e0
[  411.855340]  ____cache_alloc_node+0x1c7/0x1e0
[  411.859844]  kmem_cache_alloc_node+0xe3/0x730
[  411.864353]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.868605]  __alloc_skb+0x119/0x770
[  411.872320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.877600]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.882024]  ? lock_downgrade+0x900/0x900
[  411.886182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.891725]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.897184]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.902638]  ? addrconf_rs_timer+0x690/0x690
[  411.907064]  ndisc_alloc_skb+0x144/0x340
[  411.911148]  ndisc_send_rs+0x331/0x6e0
[  411.915054]  addrconf_rs_timer+0x314/0x690
[  411.919297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.923551]  call_timer_fn+0x272/0x920
[  411.927437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.931679]  ? process_timeout+0x40/0x40
[  411.935757]  ? mark_held_locks+0xc7/0x130
[  411.939914]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.944409]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.948905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.953142]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.957733]  ? trace_hardirqs_on+0xbd/0x310
[  411.962060]  ? kasan_check_read+0x11/0x20
[  411.966208]  ? __run_timers+0x7da/0xc70
[  411.970193]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.975313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.979569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.983806]  __run_timers+0x7e5/0xc70
[  411.987656]  ? timer_fixup_init+0x70/0x70
[  411.991849]  ? lock_downgrade+0x900/0x900
[  411.996020]  ? zap_class+0x640/0x640
[  411.999769]  ? print_usage_bug+0xc0/0xc0
[  412.003846]  ? trace_hardirqs_on+0x310/0x310
[  412.008301]  ? kvm_clock_read+0x18/0x30
[  412.012514]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  412.017533]  ? ktime_get+0x2c1/0x400
[  412.021270]  ? zap_class+0x640/0x640
[  412.024994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.030537]  ? check_preemption_disabled+0x48/0x280
[  412.035578]  ? __lock_is_held+0xb5/0x140
[  412.039647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.045187]  ? check_preemption_disabled+0x48/0x280
[  412.050216]  run_timer_softirq+0x52/0xb0
[  412.054290]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.059313]  __do_softirq+0x308/0xb7e
[  412.063124]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.068230]  ? irq_exit+0xbd/0x1c0
[  412.071775]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  412.076797]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.082681]  ? ret_from_intr+0xb/0x1e
[  412.086486]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.091504]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.096352]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.101370]  ? task_prio+0x50/0x50
[  412.104917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.110460]  ? check_preemption_disabled+0x48/0x280
[  412.115484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.120338]  ? neigh_periodic_work+0x6bd/0xc60
[  412.124923]  do_softirq_own_stack+0x2a/0x40
[  412.129241]  </IRQ>
[  412.131482]  do_softirq.part.14+0x126/0x160
[  412.135808]  __local_bh_enable_ip+0x21d/0x260
[  412.140317]  _raw_write_unlock_bh+0x30/0x40
[  412.144644]  neigh_periodic_work+0x6bd/0xc60
[  412.149067]  ? neigh_table_clear+0x390/0x390
[  412.153485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.159025]  ? check_preemption_disabled+0x48/0x280
[  412.164060]  ? __lock_is_held+0xb5/0x140
[  412.168157]  process_one_work+0xc90/0x1c40
[  412.172408]  ? mark_held_locks+0x130/0x130
[  412.176651]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  412.181314]  ? __switch_to_asm+0x40/0x70
[  412.185374]  ? __switch_to_asm+0x40/0x70
[  412.189445]  ? __switch_to_asm+0x34/0x70
[  412.193504]  ? __switch_to_asm+0x40/0x70
[  412.197578]  ? __switch_to_asm+0x34/0x70
[  412.201647]  ? __switch_to_asm+0x40/0x70
[  412.205720]  ? __switch_to_asm+0x34/0x70
[  412.209797]  ? __switch_to_asm+0x40/0x70
[  412.213869]  ? __schedule+0x8d7/0x21d0
[  412.217760]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.222797]  ? lock_downgrade+0x900/0x900
[  412.226950]  ? zap_class+0x640/0x640
[  412.230678]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.235545]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.240142]  ? lock_acquire+0x1ed/0x520
[  412.244119]  ? worker_thread+0x3e0/0x1390
[  412.248280]  ? kasan_check_read+0x11/0x20
[  412.252431]  ? do_raw_spin_lock+0x14f/0x350
[  412.256756]  ? kasan_check_read+0x11/0x20
[  412.260910]  ? rwlock_bug.part.2+0x90/0x90
[  412.265146]  ? trace_hardirqs_on+0x310/0x310
[  412.269572]  worker_thread+0x17f/0x1390
[  412.273548]  ? __switch_to_asm+0x34/0x70
[  412.277626]  ? process_one_work+0x1c40/0x1c40
[  412.282134]  ? zap_class+0x640/0x640
[  412.285852]  ? find_held_lock+0x36/0x1c0
[  412.289945]  ? __kthread_parkme+0xce/0x1a0
[  412.294192]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  412.299301]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  412.304409]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.308997]  ? trace_hardirqs_on+0xbd/0x310
[  412.313320]  ? kasan_check_read+0x11/0x20
[  412.317477]  ? __kthread_parkme+0xce/0x1a0
[  412.321720]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.326866]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.331987]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  412.337094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.342638]  ? __kthread_parkme+0xfb/0x1a0
[  412.346880]  ? process_one_work+0x1c40/0x1c40
[  412.351378]  kthread+0x35a/0x440
[  412.354750]  ? kthread_stop+0x900/0x900
[  412.358731]  ret_from_fork+0x3a/0x50
[  412.362473] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  412.362479] warn_alloc_show_mem: 1 callbacks suppressed
[  412.362486] Mem-Info:
[  412.369857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.369866] Call Trace:
[  412.375253] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  412.375253]  active_file:16 inactive_file:3 isolated_file:0
[  412.375253]  unevictable:0 dirty:0 writeback:0 unstable:0
[  412.375253]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  412.375253]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  412.375253]  free:13690 free_pcp:879 free_cma:0
[  412.377625]  <IRQ>
[  412.387015] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  412.389647]  dump_stack+0x244/0x39d
[  412.422604] 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
[  412.424776]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.452585] lowmem_reserve[]: 0 2818 6321 6321
[  412.456290]  warn_alloc.cold.116+0xb7/0x1bd
[  412.482368] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  412.487566]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.492119] lowmem_reserve[]: 0 0 3503 3503
[  412.496454]  ? lock_downgrade+0x900/0x900
[  412.524028] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  412.528889]  ? trace_hardirqs_off+0xb8/0x310
[  412.533179] lowmem_reserve[]: 0 0 0 0
[  412.537330]  ? trace_hardirqs_off+0xb8/0x310
[  412.566649] 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
[  412.571085]  __alloc_pages_slowpath+0x26e8/0x2e10
[  412.574853] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  412.579290]  ? warn_alloc+0x120/0x120
[  412.592784] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  412.597646]  ? warn_alloc+0x120/0x120
[  412.612912] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  412.616732]  ? warn_alloc+0x120/0x120
[  412.630691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  412.634502]  ? print_usage_bug+0xc0/0xc0
[  412.643315] 4380 total pagecache pages
[  412.647123]  ? print_usage_bug+0xc0/0xc0
[  412.655698] 0 pages in swap cache
[  412.659763]  ? ktime_get+0x2c1/0x400
[  412.663629] Swap cache stats: add 0, delete 0, find 0/0
[  412.667693]  ? check_preemption_disabled+0x48/0x280
[  412.671123] Free swap  = 0kB
[  412.674837]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  412.680184] Total swap = 0kB
[  412.685199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.688200] 1965979 pages RAM
[  412.692693]  ? should_fail+0x22d/0xd01
[  412.695694] 0 pages HighMem/MovableOnly
[  412.701241]  ? kasan_check_read+0x11/0x20
[  412.704327] 342854 pages reserved
[  412.708211]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.712174] 0 pages cma reserved
[  412.716322]  ? __lock_acquire+0x62f/0x4c20
[  412.719826] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.724856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.728314] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.732437]  ? should_fail+0x22d/0xd01
[  412.738912] kworker/0:2 cpuset=/ mems_allowed=0
[  412.744019]  ? print_usage_bug+0xc0/0xc0
[  412.766917]  ? mark_held_locks+0x130/0x130
[  412.771160]  ? mark_held_locks+0x130/0x130
[  412.775401]  ? check_preemption_disabled+0x48/0x280
[  412.780429]  ? zap_class+0x640/0x640
[  412.784154]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  412.788922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.794462]  ? check_preemption_disabled+0x48/0x280
[  412.799492]  ? __lock_is_held+0xb5/0x140
[  412.803568]  __alloc_pages_nodemask+0xa80/0xde0
[  412.808266]  ? zap_class+0x640/0x640
[  412.811997]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.817028]  ? find_held_lock+0x36/0x1c0
[  412.821107]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.825784]  ? lock_downgrade+0x900/0x900
[  412.829944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.835501]  cache_grow_begin+0xa5/0x8c0
[  412.839570]  ? do_raw_spin_unlock+0xa7/0x330
[  412.843994]  fallback_alloc+0x204/0x2e0
[  412.847982]  ____cache_alloc_node+0x1c7/0x1e0
[  412.852490]  kmem_cache_alloc_node+0xe3/0x730
[  412.856995]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.861590]  __alloc_skb+0x119/0x770
[  412.865307]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  412.870709]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.875144]  ? vprintk_default+0x28/0x30
[  412.879210]  ? vprintk_func+0x85/0x181
[  412.883101]  ? printk+0xa7/0xcf
[  412.886388]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  412.891163]  new_skb+0x26/0x1c0
[  412.894447]  aoecmd_cfg+0x279/0x7f0
[  412.898079]  ? find_held_lock+0x36/0x1c0
[  412.902638]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  412.906963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.912521]  ? __lock_is_held+0xb5/0x140
[  412.916624]  discover_timer+0x50/0x60
[  412.920431]  call_timer_fn+0x272/0x920
[  412.924323]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  412.929169]  ? process_timeout+0x40/0x40
[  412.933242]  ? __run_timers+0x7da/0xc70
[  412.937237]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.941739]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.946236]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  412.951086]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.955678]  ? trace_hardirqs_on+0xbd/0x310
[  412.960008]  ? kasan_check_read+0x11/0x20
[  412.964158]  ? __run_timers+0x7da/0xc70
[  412.968137]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.973254]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  412.978100]  __run_timers+0x7e5/0xc70
[  412.981913]  ? timer_fixup_init+0x70/0x70
[  412.986083]  ? lock_acquire+0x1ed/0x520
[  412.990062]  ? zap_class+0x640/0x640
[  412.993785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.999331]  ? kasan_check_read+0x11/0x20
[  413.003486]  ? do_raw_spin_lock+0x14f/0x350
[  413.007819]  ? find_held_lock+0x36/0x1c0
[  413.011894]  ? zap_class+0x640/0x640
[  413.015619]  ? pvclock_read_flags+0x160/0x160
[  413.020136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.025686]  ? check_preemption_disabled+0x48/0x280
[  413.030729]  ? __lock_is_held+0xb5/0x140
[  413.034822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.040372]  ? check_preemption_disabled+0x48/0x280
[  413.045408]  run_timer_softirq+0x52/0xb0
[  413.049473]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.054512]  __do_softirq+0x308/0xb7e
[  413.058324]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.062823]  ? lock_downgrade+0x900/0x900
[  413.066978]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.072097]  ? pvclock_read_flags+0x160/0x160
[  413.076599]  ? lapic_next_event+0x5a/0x90
[  413.080765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.086322]  ? kvm_clock_read+0x18/0x30
[  413.090312]  ? kvm_sched_clock_read+0x9/0x20
[  413.094739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.100299]  ? check_preemption_disabled+0x48/0x280
[  413.105338]  irq_exit+0x17f/0x1c0
[  413.108829]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.113674]  ? smp_reschedule_interrupt+0x109/0x650
[  413.118728]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.124626]  ? interrupt_entry+0xb5/0xc0
[  413.128708]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.133765]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.138792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.143679]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.148716]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.153747]  ? task_prio+0x50/0x50
[  413.157303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.162845]  ? check_preemption_disabled+0x48/0x280
[  413.167870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.172754]  apic_timer_interrupt+0xf/0x20
[  413.176992]  </IRQ>
[  413.179249] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  413.184186] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  413.203110] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.210832] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  413.218139] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  413.225410] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  413.232691] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  413.239963] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  413.247284]  skb_clone+0x1bb/0x500
[  413.250830]  ? finish_task_switch+0x1b4/0x910
[  413.255331]  ? skb_split+0x11e0/0x11e0
[  413.259222]  ? preempt_notifier_register+0x200/0x200
[  413.264328]  ? __switch_to_asm+0x34/0x70
[  413.268390]  ? __switch_to_asm+0x34/0x70
[  413.272450]  ? __switch_to_asm+0x40/0x70
[  413.276513]  ? __switch_to_asm+0x34/0x70
[  413.280573]  ? __switch_to_asm+0x40/0x70
[  413.284631]  ? __switch_to_asm+0x34/0x70
[  413.288731]  ? __switch_to_asm+0x40/0x70
[  413.292792]  ? __switch_to_asm+0x34/0x70
[  413.296857]  ? __switch_to_asm+0x34/0x70
[  413.300914]  ? __switch_to_asm+0x40/0x70
[  413.304973]  ? __switch_to_asm+0x34/0x70
[  413.309132]  bpf_clone_redirect+0xb9/0x490
[  413.313376]  ? __schedule+0x8d7/0x21d0
[  413.317278]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  413.322297]  ? __sched_text_start+0x8/0x8
[  413.326464]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.331071]  ? retint_kernel+0x2d/0x2d
[  413.334978]  ? trace_hardirqs_on_caller+0xc0/0x310
[  413.339925]  ? find_held_lock+0x36/0x1c0
[  413.344008]  ? lock_acquire+0x1ed/0x520
[  413.347993]  ? bpf_test_run+0x3cb/0x780
[  413.351980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.357524]  ? check_preemption_disabled+0x48/0x280
[  413.362552]  ? kasan_check_read+0x11/0x20
[  413.366703]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.372011]  ? rcu_softirq_qs+0x20/0x20
[  413.375999]  ? preempt_schedule+0x4d/0x60
[  413.380155]  ? ___preempt_schedule+0x16/0x18
[  413.384580]  ? bpf_test_run+0x25d/0x780
[  413.388568]  ? netlink_diag_dump+0x2a0/0x2a0
[  413.392988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.398543]  ? bpf_test_init.isra.10+0x70/0x100
[  413.403225]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  413.408001]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  413.412846]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  413.418388]  ? fput+0x130/0x1a0
[  413.421673]  ? __bpf_prog_get+0x9b/0x290
[  413.425745]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  413.430589]  ? bpf_prog_test_run+0x130/0x1a0
[  413.435003]  ? __x64_sys_bpf+0x3d8/0x520
[  413.439065]  ? bpf_prog_get+0x20/0x20
[  413.442913]  ? do_syscall_64+0x1b9/0x820
[  413.446983]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  413.452363]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.457306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.462174]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.467197]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  413.472221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.477761]  ? prepare_exit_to_usermode+0x291/0x3b0
[  413.482786]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.487643]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  413.493031] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  413.493140] aoe: skb alloc failure
[  413.500142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.500168] Workqueue: events_power_efficient neigh_periodic_work
[  413.500175] Call Trace:
[  413.500186]  <IRQ>
[  413.503763] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.513083]  dump_stack+0x244/0x39d
[  413.519293] syz-executor1 cpuset=syz1 mems_allowed=0
[  413.521885]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.548392]  warn_alloc.cold.116+0xb7/0x1bd
[  413.552724]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.557586]  ? lock_downgrade+0x900/0x900
[  413.561744]  ? trace_hardirqs_off+0xb8/0x310
[  413.566162]  ? trace_hardirqs_off+0xb8/0x310
[  413.570588]  __alloc_pages_slowpath+0x26e8/0x2e10
[  413.575462]  ? warn_alloc+0x120/0x120
[  413.579298]  ? print_usage_bug+0xc0/0xc0
[  413.583364]  ? warn_alloc+0x120/0x120
[  413.587170]  ? warn_alloc+0x120/0x120
[  413.590975]  ? print_usage_bug+0xc0/0xc0
[  413.595045]  ? kvm_clock_read+0x18/0x30
[  413.599057]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  413.604089]  ? print_usage_bug+0xc0/0xc0
[  413.608167]  ? __lock_acquire+0x62f/0x4c20
[  413.612450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.617990]  ? should_fail+0x22d/0xd01
[  413.621905]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.627190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.632301]  ? __lock_acquire+0x62f/0x4c20
[  413.636545]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.641651]  ? __lock_acquire+0x62f/0x4c20
[  413.645885]  ? should_fail+0x22d/0xd01
[  413.649799]  ? rcu_irq_exit+0x1a2/0x390
[  413.653794]  ? mark_held_locks+0x130/0x130
[  413.658038]  ? mark_held_locks+0x130/0x130
[  413.662281]  ? mark_held_locks+0xc7/0x130
[  413.666433]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  413.671456]  ? zap_class+0x640/0x640
[  413.675178]  ? print_usage_bug+0xc0/0xc0
[  413.679256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.684803]  ? check_preemption_disabled+0x48/0x280
[  413.689839]  ? __lock_is_held+0xb5/0x140
[  413.693913]  __alloc_pages_nodemask+0xa80/0xde0
[  413.698590]  ? zap_class+0x640/0x640
[  413.702311]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.707348]  ? find_held_lock+0x36/0x1c0
[  413.711430]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.716110]  ? lock_downgrade+0x900/0x900
[  413.720271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.725827]  cache_grow_begin+0xa5/0x8c0
[  413.729901]  ? do_raw_spin_unlock+0xa7/0x330
[  413.734321]  fallback_alloc+0x204/0x2e0
[  413.738305]  ____cache_alloc_node+0x1c7/0x1e0
[  413.742814]  kmem_cache_alloc_node+0xe3/0x730
[  413.747318]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.751567]  __alloc_skb+0x119/0x770
[  413.755285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.760573]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.765013]  ? lock_downgrade+0x900/0x900
[  413.769185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.774745]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.780269]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.785724]  ? addrconf_rs_timer+0x690/0x690
[  413.790157]  ndisc_alloc_skb+0x144/0x340
[  413.794236]  ndisc_send_rs+0x331/0x6e0
[  413.798138]  addrconf_rs_timer+0x314/0x690
[  413.802382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.806632]  call_timer_fn+0x272/0x920
[  413.810525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.814764]  ? process_timeout+0x40/0x40
[  413.818839]  ? mark_held_locks+0xc7/0x130
[  413.823007]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.827505]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.832004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.836252]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.840846]  ? trace_hardirqs_on+0xbd/0x310
[  413.845170]  ? kasan_check_read+0x11/0x20
[  413.849326]  ? __run_timers+0x7da/0xc70
[  413.853318]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.858429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.862673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.866914]  __run_timers+0x7e5/0xc70
[  413.870727]  ? timer_fixup_init+0x70/0x70
[  413.875598]  ? lock_downgrade+0x900/0x900
[  413.879745]  ? zap_class+0x640/0x640
[  413.883473]  ? print_usage_bug+0xc0/0xc0
[  413.887543]  ? trace_hardirqs_on+0x310/0x310
[  413.891967]  ? kvm_clock_read+0x18/0x30
[  413.895947]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  413.900969]  ? ktime_get+0x2c1/0x400
[  413.904691]  ? zap_class+0x640/0x640
[  413.908416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.913971]  ? check_preemption_disabled+0x48/0x280
[  413.919007]  ? __lock_is_held+0xb5/0x140
[  413.923079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.928624]  ? check_preemption_disabled+0x48/0x280
[  413.933652]  run_timer_softirq+0x52/0xb0
[  413.937719]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.942744]  __do_softirq+0x308/0xb7e
[  413.946558]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.951662]  ? irq_exit+0xbd/0x1c0
[  413.955204]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  413.960236]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.966128]  ? ret_from_intr+0xb/0x1e
[  413.969937]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.974980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.979828]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.984864]  ? task_prio+0x50/0x50
[  413.988409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.993963]  ? check_preemption_disabled+0x48/0x280
[  413.998995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.003858]  ? neigh_periodic_work+0x6bd/0xc60
[  414.008449]  do_softirq_own_stack+0x2a/0x40
[  414.012939]  </IRQ>
[  414.015183]  do_softirq.part.14+0x126/0x160
[  414.019523]  __local_bh_enable_ip+0x21d/0x260
[  414.024028]  _raw_write_unlock_bh+0x30/0x40
[  414.028363]  neigh_periodic_work+0x6bd/0xc60
[  414.032788]  ? neigh_table_clear+0x390/0x390
[  414.037209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.042787]  ? check_preemption_disabled+0x48/0x280
[  414.047829]  ? __lock_is_held+0xb5/0x140
[  414.051925]  process_one_work+0xc90/0x1c40
[  414.056176]  ? mark_held_locks+0x130/0x130
[  414.060423]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  414.065098]  ? __switch_to_asm+0x40/0x70
[  414.069200]  ? __switch_to_asm+0x40/0x70
[  414.073265]  ? __switch_to_asm+0x34/0x70
[  414.077325]  ? __switch_to_asm+0x40/0x70
[  414.081387]  ? __switch_to_asm+0x34/0x70
[  414.085451]  ? __switch_to_asm+0x40/0x70
[  414.089519]  ? __switch_to_asm+0x34/0x70
[  414.093589]  ? __switch_to_asm+0x40/0x70
[  414.097703]  ? __schedule+0x8d7/0x21d0
[  414.101619]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.106650]  ? lock_downgrade+0x900/0x900
[  414.110805]  ? zap_class+0x640/0x640
[  414.114524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.119385]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.123997]  ? lock_acquire+0x1ed/0x520
[  414.128000]  ? worker_thread+0x3e0/0x1390
[  414.132160]  ? kasan_check_read+0x11/0x20
[  414.136312]  ? do_raw_spin_lock+0x14f/0x350
[  414.140636]  ? kasan_check_read+0x11/0x20
[  414.144803]  ? rwlock_bug.part.2+0x90/0x90
[  414.149046]  ? trace_hardirqs_on+0x310/0x310
[  414.153472]  worker_thread+0x17f/0x1390
[  414.157448]  ? __switch_to_asm+0x34/0x70
[  414.161536]  ? process_one_work+0x1c40/0x1c40
[  414.166067]  ? zap_class+0x640/0x640
[  414.169786]  ? find_held_lock+0x36/0x1c0
[  414.173875]  ? __kthread_parkme+0xce/0x1a0
[  414.178116]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.183228]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.188341]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.192925]  ? trace_hardirqs_on+0xbd/0x310
[  414.197274]  ? kasan_check_read+0x11/0x20
[  414.201440]  ? __kthread_parkme+0xce/0x1a0
[  414.205691]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.210813]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.215931]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.221038]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.226583]  ? __kthread_parkme+0xfb/0x1a0
[  414.230824]  ? process_one_work+0x1c40/0x1c40
[  414.235325]  kthread+0x35a/0x440
[  414.238696]  ? kthread_stop+0x900/0x900
[  414.242677]  ret_from_fork+0x3a/0x50
[  414.246419] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  414.246425] warn_alloc_show_mem: 1 callbacks suppressed
[  414.246433] Mem-Info:
[  414.253804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.259187] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  414.259187]  active_file:16 inactive_file:3 isolated_file:0
[  414.259187]  unevictable:0 dirty:0 writeback:0 unstable:0
[  414.259187]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  414.259187]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  414.259187]  free:13690 free_pcp:879 free_cma:0
[  414.261563] Call Trace:
[  414.270954] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  414.303922]  <IRQ>
[  414.306513] 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
[  414.334373]  dump_stack+0x244/0x39d
[  414.336494] lowmem_reserve[]: 0 2818 6321 6321
[  414.362644]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.366247] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  414.370839]  warn_alloc.cold.116+0xb7/0x1bd
[  414.375999] lowmem_reserve[]: 0 0 3503 3503
[  414.403619]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.407923] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  414.412250]  ? lock_downgrade+0x900/0x900
[  414.417062] lowmem_reserve[]: 0 0 0 0
[  414.446422]  ? trace_hardirqs_off+0xb8/0x310
[  414.450551] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  414.454354]  ? trace_hardirqs_off+0xb8/0x310
[  414.458738] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  414.472280]  __alloc_pages_slowpath+0x26e8/0x2e10
[  414.476665] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  414.491971]  ? warn_alloc+0x120/0x120
[  414.496766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  414.510748]  ? warn_alloc+0x120/0x120
[  414.514550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  414.523387]  ? __lock_acquire+0x62f/0x4c20
[  414.527163] 4380 total pagecache pages
[  414.535751]  ? warn_alloc+0x120/0x120
[  414.539998] 0 pages in swap cache
[  414.543900]  ? print_usage_bug+0xc0/0xc0
[  414.547686] Swap cache stats: add 0, delete 0, find 0/0
[  414.551132]  ? print_usage_bug+0xc0/0xc0
[  414.555174] Free swap  = 0kB
[  414.560548]  ? mark_held_locks+0x130/0x130
[  414.564591] Total swap = 0kB
[  414.567616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.571827] 1965979 pages RAM
[  414.574851]  ? should_fail+0x22d/0xd01
[  414.580373] 0 pages HighMem/MovableOnly
[  414.583479]  ? zap_class+0x640/0x640
[  414.587346] 342854 pages reserved
[  414.591330]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.595025] 0 pages cma reserved
[  414.598482]  ? __lock_acquire+0x62f/0x4c20
[  414.603644] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  414.606934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.611254] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.617639]  ? should_fail+0x22d/0xd01
[  414.622731] kworker/0:2 cpuset=/ mems_allowed=0
[  414.633069]  ? mark_held_locks+0x130/0x130
[  414.645833]  ? mark_held_locks+0x130/0x130
[  414.650077]  ? lock_downgrade+0x900/0x900
[  414.654262]  ? zap_class+0x640/0x640
[  414.657984]  ? zap_class+0x640/0x640
[  414.661707]  ? zap_class+0x640/0x640
[  414.665431]  ? do_raw_spin_unlock+0xa7/0x330
[  414.669847]  ? trace_hardirqs_on+0x310/0x310
[  414.674261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.679801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.685344]  ? check_preemption_disabled+0x48/0x280
[  414.690375]  ? __lock_is_held+0xb5/0x140
[  414.694447]  __alloc_pages_nodemask+0xa80/0xde0
[  414.699121]  ? zap_class+0x640/0x640
[  414.702847]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.707879]  ? find_held_lock+0x36/0x1c0
[  414.711953]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.716636]  ? lock_downgrade+0x900/0x900
[  414.720815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.726364]  cache_grow_begin+0xa5/0x8c0
[  414.730431]  ? do_raw_spin_unlock+0xa7/0x330
[  414.734851]  fallback_alloc+0x204/0x2e0
[  414.738838]  ____cache_alloc_node+0x1c7/0x1e0
[  414.743341]  kmem_cache_alloc_node+0xe3/0x730
[  414.747843]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.752438]  __alloc_skb+0x119/0x770
[  414.756153]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  414.761530]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.765949]  ? vprintk_default+0x28/0x30
[  414.770022]  ? vprintk_func+0x85/0x181
[  414.773921]  ? printk+0xa7/0xcf
[  414.777213]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  414.781992]  new_skb+0x26/0x1c0
[  414.785279]  aoecmd_cfg+0x279/0x7f0
[  414.788924]  ? find_held_lock+0x36/0x1c0
[  414.792999]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  414.797334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.802892]  ? __lock_is_held+0xb5/0x140
[  414.806975]  discover_timer+0x50/0x60
[  414.810786]  call_timer_fn+0x272/0x920
[  414.814681]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  414.819526]  ? process_timeout+0x40/0x40
[  414.823603]  ? __run_timers+0x7da/0xc70
[  414.827583]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.832080]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.836578]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  414.841434]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.846023]  ? trace_hardirqs_on+0xbd/0x310
[  414.850351]  ? kasan_check_read+0x11/0x20
[  414.854506]  ? __run_timers+0x7da/0xc70
[  414.858488]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.863609]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  414.868456]  __run_timers+0x7e5/0xc70
[  414.872269]  ? timer_fixup_init+0x70/0x70
[  414.876438]  ? lock_acquire+0x1ed/0x520
[  414.880442]  ? zap_class+0x640/0x640
[  414.884188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.889761]  ? kasan_check_read+0x11/0x20
[  414.893924]  ? do_raw_spin_lock+0x14f/0x350
[  414.898266]  ? find_held_lock+0x36/0x1c0
[  414.902486]  ? zap_class+0x640/0x640
[  414.906214]  ? pvclock_read_flags+0x160/0x160
[  414.910732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.916381]  ? check_preemption_disabled+0x48/0x280
[  414.921414]  ? __lock_is_held+0xb5/0x140
[  414.925481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.931027]  ? check_preemption_disabled+0x48/0x280
[  414.936076]  run_timer_softirq+0x52/0xb0
[  414.940170]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.945204]  __do_softirq+0x308/0xb7e
[  414.949014]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  414.953513]  ? lock_downgrade+0x900/0x900
[  414.957668]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.962783]  ? pvclock_read_flags+0x160/0x160
[  414.967286]  ? lapic_next_event+0x5a/0x90
[  414.971448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.977004]  ? kvm_clock_read+0x18/0x30
[  414.980985]  ? kvm_sched_clock_read+0x9/0x20
[  414.985402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.990945]  ? check_preemption_disabled+0x48/0x280
[  414.995993]  irq_exit+0x17f/0x1c0
[  414.999456]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.004301]  ? smp_reschedule_interrupt+0x109/0x650
[  415.009327]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.015303]  ? interrupt_entry+0xb5/0xc0
[  415.019376]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.024393]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.029414]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.034261]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.039280]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.044300]  ? task_prio+0x50/0x50
[  415.047847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.053393]  ? check_preemption_disabled+0x48/0x280
[  415.058424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.063281]  apic_timer_interrupt+0xf/0x20
[  415.067520]  </IRQ>
[  415.069776] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  415.074715] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  415.093625] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.101334] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  415.108608] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  415.115878] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  415.123152] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  415.130438] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  415.137766]  skb_clone+0x1bb/0x500
[  415.141314]  ? finish_task_switch+0x1b4/0x910
[  415.145817]  ? skb_split+0x11e0/0x11e0
[  415.149709]  ? preempt_notifier_register+0x200/0x200
[  415.154820]  ? __switch_to_asm+0x34/0x70
[  415.158882]  ? __switch_to_asm+0x34/0x70
[  415.162942]  ? __switch_to_asm+0x40/0x70
[  415.167009]  ? __switch_to_asm+0x34/0x70
[  415.171075]  ? __switch_to_asm+0x40/0x70
[  415.175135]  ? __switch_to_asm+0x34/0x70
[  415.179197]  ? __switch_to_asm+0x40/0x70
[  415.183257]  ? __switch_to_asm+0x34/0x70
[  415.187321]  ? __switch_to_asm+0x34/0x70
[  415.191397]  ? __switch_to_asm+0x40/0x70
[  415.195460]  ? __switch_to_asm+0x34/0x70
[  415.199534]  bpf_clone_redirect+0xb9/0x490
[  415.203785]  ? __schedule+0x8d7/0x21d0
[  415.207687]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  415.212711]  ? __sched_text_start+0x8/0x8
[  415.216898]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.221481]  ? retint_kernel+0x2d/0x2d
[  415.225371]  ? trace_hardirqs_on_caller+0xc0/0x310
[  415.230313]  ? find_held_lock+0x36/0x1c0
[  415.234386]  ? lock_acquire+0x1ed/0x520
[  415.238366]  ? bpf_test_run+0x3cb/0x780
[  415.242347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.247891]  ? check_preemption_disabled+0x48/0x280
[  415.252916]  ? kasan_check_read+0x11/0x20
[  415.257099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.262386]  ? rcu_softirq_qs+0x20/0x20
[  415.266382]  ? preempt_schedule+0x4d/0x60
[  415.270540]  ? ___preempt_schedule+0x16/0x18
[  415.274970]  ? bpf_test_run+0x25d/0x780
[  415.278971]  ? netlink_diag_dump+0x2a0/0x2a0
[  415.283388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.288929]  ? bpf_test_init.isra.10+0x70/0x100
[  415.293616]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  415.298387]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.303240]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  415.308814]  ? fput+0x130/0x1a0
[  415.312102]  ? __bpf_prog_get+0x9b/0x290
[  415.316181]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.321039]  ? bpf_prog_test_run+0x130/0x1a0
[  415.325464]  ? __x64_sys_bpf+0x3d8/0x520
[  415.329532]  ? bpf_prog_get+0x20/0x20
[  415.333359]  ? do_syscall_64+0x1b9/0x820
[  415.337426]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  415.342800]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.347739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.352595]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.357615]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  415.362637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.368180]  ? prepare_exit_to_usermode+0x291/0x3b0
[  415.373210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.378071]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  415.383457] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  415.383545] aoe: skb alloc failure
[  415.390569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.390594] Workqueue: events_power_efficient neigh_periodic_work
[  415.390601] Call Trace:
[  415.390613]  <IRQ>
[  415.394179] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.403504]  dump_stack+0x244/0x39d
[  415.409716] syz-executor1 cpuset=syz1 mems_allowed=0
[  415.412303]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.438852]  warn_alloc.cold.116+0xb7/0x1bd
[  415.443184]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.448034]  ? lock_downgrade+0x900/0x900
[  415.452198]  ? trace_hardirqs_off+0xb8/0x310
[  415.456618]  ? trace_hardirqs_off+0xb8/0x310
[  415.461038]  __alloc_pages_slowpath+0x26e8/0x2e10
[  415.465919]  ? warn_alloc+0x120/0x120
[  415.469759]  ? print_usage_bug+0xc0/0xc0
[  415.473831]  ? warn_alloc+0x120/0x120
[  415.477638]  ? warn_alloc+0x120/0x120
[  415.481445]  ? print_usage_bug+0xc0/0xc0
[  415.485513]  ? kvm_clock_read+0x18/0x30
[  415.489493]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.494518]  ? print_usage_bug+0xc0/0xc0
[  415.498585]  ? __lock_acquire+0x62f/0x4c20
[  415.502831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.508372]  ? should_fail+0x22d/0xd01
[  415.512265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.517550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.522660]  ? __lock_acquire+0x62f/0x4c20
[  415.526903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.532008]  ? __lock_acquire+0x62f/0x4c20
[  415.536254]  ? should_fail+0x22d/0xd01
[  415.540149]  ? rcu_irq_exit+0x1a2/0x390
[  415.544170]  ? mark_held_locks+0x130/0x130
[  415.548414]  ? mark_held_locks+0x130/0x130
[  415.552662]  ? mark_held_locks+0xc7/0x130
[  415.556812]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  415.561851]  ? zap_class+0x640/0x640
[  415.565568]  ? print_usage_bug+0xc0/0xc0
[  415.569639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.575182]  ? check_preemption_disabled+0x48/0x280
[  415.580214]  ? __lock_is_held+0xb5/0x140
[  415.584290]  __alloc_pages_nodemask+0xa80/0xde0
[  415.588963]  ? zap_class+0x640/0x640
[  415.592687]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.597716]  ? find_held_lock+0x36/0x1c0
[  415.601790]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.606481]  ? lock_downgrade+0x900/0x900
[  415.610639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.616183]  cache_grow_begin+0xa5/0x8c0
[  415.620252]  ? do_raw_spin_unlock+0xa7/0x330
[  415.624670]  fallback_alloc+0x204/0x2e0
[  415.628655]  ____cache_alloc_node+0x1c7/0x1e0
[  415.633160]  kmem_cache_alloc_node+0xe3/0x730
[  415.637686]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.641936]  __alloc_skb+0x119/0x770
[  415.645656]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.650941]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.655368]  ? lock_downgrade+0x900/0x900
[  415.659528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.665067]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.670525]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.675977]  ? addrconf_rs_timer+0x690/0x690
[  415.680400]  ndisc_alloc_skb+0x144/0x340
[  415.684472]  ndisc_send_rs+0x331/0x6e0
[  415.688366]  addrconf_rs_timer+0x314/0x690
[  415.692619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.696866]  call_timer_fn+0x272/0x920
[  415.700756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.705033]  ? process_timeout+0x40/0x40
[  415.709132]  ? mark_held_locks+0xc7/0x130
[  415.713297]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.717806]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.722340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.726578]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.731166]  ? trace_hardirqs_on+0xbd/0x310
[  415.735501]  ? kasan_check_read+0x11/0x20
[  415.739649]  ? __run_timers+0x7da/0xc70
[  415.743629]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.748763]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.753016]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.757291]  __run_timers+0x7e5/0xc70
[  415.761106]  ? timer_fixup_init+0x70/0x70
[  415.765258]  ? lock_downgrade+0x900/0x900
[  415.769409]  ? zap_class+0x640/0x640
[  415.773134]  ? print_usage_bug+0xc0/0xc0
[  415.777200]  ? trace_hardirqs_on+0x310/0x310
[  415.781627]  ? kvm_clock_read+0x18/0x30
[  415.785603]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.790624]  ? ktime_get+0x2c1/0x400
[  415.794342]  ? zap_class+0x640/0x640
[  415.798064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.803609]  ? check_preemption_disabled+0x48/0x280
[  415.808641]  ? __lock_is_held+0xb5/0x140
[  415.812707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.818261]  ? check_preemption_disabled+0x48/0x280
[  415.823299]  run_timer_softirq+0x52/0xb0
[  415.827364]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.832388]  __do_softirq+0x308/0xb7e
[  415.836201]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.841311]  ? irq_exit+0xbd/0x1c0
[  415.844852]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  415.849962]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.855850]  ? ret_from_intr+0xb/0x1e
[  415.859661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.864681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.869528]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.874548]  ? task_prio+0x50/0x50
[  415.878105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.883652]  ? check_preemption_disabled+0x48/0x280
[  415.888675]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.893530]  ? neigh_periodic_work+0x6bd/0xc60
[  415.898117]  do_softirq_own_stack+0x2a/0x40
[  415.902434]  </IRQ>
[  415.904680]  do_softirq.part.14+0x126/0x160
[  415.909020]  __local_bh_enable_ip+0x21d/0x260
[  415.913519]  _raw_write_unlock_bh+0x30/0x40
[  415.917848]  neigh_periodic_work+0x6bd/0xc60
[  415.922285]  ? neigh_table_clear+0x390/0x390
[  415.926700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.932247]  ? check_preemption_disabled+0x48/0x280
[  415.937276]  ? __lock_is_held+0xb5/0x140
[  415.941356]  process_one_work+0xc90/0x1c40
[  415.945593]  ? mark_held_locks+0x130/0x130
[  415.949841]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  415.954514]  ? __switch_to_asm+0x40/0x70
[  415.958576]  ? __switch_to_asm+0x40/0x70
[  415.962638]  ? __switch_to_asm+0x34/0x70
[  415.966697]  ? __switch_to_asm+0x40/0x70
[  415.970758]  ? __switch_to_asm+0x34/0x70
[  415.974820]  ? __switch_to_asm+0x40/0x70
[  415.978878]  ? __switch_to_asm+0x34/0x70
[  415.982949]  ? __switch_to_asm+0x40/0x70
[  415.987023]  ? __schedule+0x8d7/0x21d0
[  415.990914]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.995942]  ? lock_downgrade+0x900/0x900
[  416.000101]  ? zap_class+0x640/0x640
[  416.003818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.008681]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.013497]  ? lock_acquire+0x1ed/0x520
[  416.017477]  ? worker_thread+0x3e0/0x1390
[  416.021638]  ? kasan_check_read+0x11/0x20
[  416.025794]  ? do_raw_spin_lock+0x14f/0x350
[  416.030118]  ? kasan_check_read+0x11/0x20
[  416.034279]  ? rwlock_bug.part.2+0x90/0x90
[  416.038518]  ? trace_hardirqs_on+0x310/0x310
[  416.042941]  worker_thread+0x17f/0x1390
[  416.046918]  ? __switch_to_asm+0x34/0x70
[  416.050994]  ? process_one_work+0x1c40/0x1c40
[  416.055507]  ? zap_class+0x640/0x640
[  416.059232]  ? find_held_lock+0x36/0x1c0
[  416.063334]  ? __kthread_parkme+0xce/0x1a0
[  416.067582]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.072688]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.077818]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.082407]  ? trace_hardirqs_on+0xbd/0x310
[  416.086730]  ? kasan_check_read+0x11/0x20
[  416.090885]  ? __kthread_parkme+0xce/0x1a0
[  416.095128]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.100239]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.105355]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.110482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.116043]  ? __kthread_parkme+0xfb/0x1a0
[  416.120294]  ? process_one_work+0x1c40/0x1c40
[  416.124791]  kthread+0x35a/0x440
[  416.128163]  ? kthread_stop+0x900/0x900
[  416.132146]  ret_from_fork+0x3a/0x50
[  416.135878] warn_alloc_show_mem: 1 callbacks suppressed
[  416.135891] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  416.135893] Mem-Info:
[  416.135924] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  416.135924]  active_file:16 inactive_file:3 isolated_file:0
[  416.135924]  unevictable:0 dirty:0 writeback:0 unstable:0
[  416.135924]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  416.135924]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  416.135924]  free:13690 free_pcp:879 free_cma:0
[  416.141276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.148645] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  416.151051] Call Trace:
[  416.184031] 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
[  416.193393]  <IRQ>
[  416.221243] lowmem_reserve[]: 0 2818 6321 6321
[  416.223862]  dump_stack+0x244/0x39d
[  416.249958] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  416.252143]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.256691] lowmem_reserve[]: 0 0 3503 3503
[  416.260352]  warn_alloc.cold.116+0xb7/0x1bd
[  416.287915] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  416.293116]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.297413] lowmem_reserve[]: 0 0 0 0
[  416.301744]  ? lock_downgrade+0x900/0x900
[  416.331042] 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
[  416.335898]  ? trace_hardirqs_off+0xb8/0x310
[  416.339670] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  416.343818]  ? trace_hardirqs_off+0xb8/0x310
[  416.357312] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  416.361774]  __alloc_pages_slowpath+0x26e8/0x2e10
[  416.377056] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  416.381479]  ? warn_alloc+0x120/0x120
[  416.395402] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  416.395412] 4380 total pagecache pages
[  416.400261]  ? warn_alloc+0x120/0x120
[  416.409080] 0 pages in swap cache
[  416.412874]  ? __lock_acquire+0x62f/0x4c20
[  416.421433] Swap cache stats: add 0, delete 0, find 0/0
[  416.425314]  ? warn_alloc+0x120/0x120
[  416.429098] Free swap  = 0kB
[  416.432553]  ? print_usage_bug+0xc0/0xc0
[  416.436769] Total swap = 0kB
[  416.442134]  ? print_usage_bug+0xc0/0xc0
[  416.445936] 1965979 pages RAM
[  416.448970]  ? mark_held_locks+0x130/0x130
[  416.452997] 0 pages HighMem/MovableOnly
[  416.453006] 342854 pages reserved
[  416.456029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.460071] 0 pages cma reserved
[  416.463178]  ? should_fail+0x22d/0xd01
[  416.467463] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  416.471377]  ? zap_class+0x640/0x640
[  416.471396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.471415]  ? __lock_acquire+0x62f/0x4c20
[  416.475252] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.480391]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.480409]  ? should_fail+0x22d/0xd01
[  416.483902] kworker/0:2 cpuset=/ mems_allowed=0
[  416.487825]  ? mark_held_locks+0x130/0x130
[  416.487844]  ? mark_held_locks+0x130/0x130
[  416.539847]  ? lock_downgrade+0x900/0x900
[  416.544005]  ? zap_class+0x640/0x640
[  416.547731]  ? zap_class+0x640/0x640
[  416.551454]  ? zap_class+0x640/0x640
[  416.555168]  ? do_raw_spin_unlock+0xa7/0x330
[  416.559583]  ? trace_hardirqs_on+0x310/0x310
[  416.563994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.569535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.575189]  ? check_preemption_disabled+0x48/0x280
[  416.580222]  ? __lock_is_held+0xb5/0x140
[  416.584294]  __alloc_pages_nodemask+0xa80/0xde0
[  416.589053]  ? zap_class+0x640/0x640
[  416.592781]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.597815]  ? find_held_lock+0x36/0x1c0
[  416.601894]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.606588]  ? lock_downgrade+0x900/0x900
[  416.610751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.616296]  cache_grow_begin+0xa5/0x8c0
[  416.620358]  ? do_raw_spin_unlock+0xa7/0x330
[  416.624782]  fallback_alloc+0x204/0x2e0
[  416.628769]  ____cache_alloc_node+0x1c7/0x1e0
[  416.633276]  kmem_cache_alloc_node+0xe3/0x730
[  416.637780]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.642376]  __alloc_skb+0x119/0x770
[  416.646090]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  416.651464]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.655887]  ? vprintk_default+0x28/0x30
[  416.659949]  ? vprintk_func+0x85/0x181
[  416.663848]  ? printk+0xa7/0xcf
[  416.667132]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  416.671904]  new_skb+0x26/0x1c0
[  416.675190]  aoecmd_cfg+0x279/0x7f0
[  416.678824]  ? find_held_lock+0x36/0x1c0
[  416.682894]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  416.687225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.692780]  ? __lock_is_held+0xb5/0x140
[  416.696856]  discover_timer+0x50/0x60
[  416.700663]  call_timer_fn+0x272/0x920
[  416.704557]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  416.709400]  ? process_timeout+0x40/0x40
[  416.713474]  ? __run_timers+0x7da/0xc70
[  416.717452]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.721947]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.726452]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  416.731302]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.735895]  ? trace_hardirqs_on+0xbd/0x310
[  416.740218]  ? kasan_check_read+0x11/0x20
[  416.744369]  ? __run_timers+0x7da/0xc70
[  416.748348]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.753466]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  416.758308]  __run_timers+0x7e5/0xc70
[  416.762125]  ? timer_fixup_init+0x70/0x70
[  416.766280]  ? lock_acquire+0x1ed/0x520
[  416.770257]  ? zap_class+0x640/0x640
[  416.773983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.779533]  ? kasan_check_read+0x11/0x20
[  416.783686]  ? do_raw_spin_lock+0x14f/0x350
[  416.788031]  ? find_held_lock+0x36/0x1c0
[  416.792101]  ? zap_class+0x640/0x640
[  416.795825]  ? pvclock_read_flags+0x160/0x160
[  416.800325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.805867]  ? check_preemption_disabled+0x48/0x280
[  416.810899]  ? __lock_is_held+0xb5/0x140
[  416.814973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.820521]  ? check_preemption_disabled+0x48/0x280
[  416.825546]  run_timer_softirq+0x52/0xb0
[  416.829612]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.834636]  __do_softirq+0x308/0xb7e
[  416.838452]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  416.842948]  ? lock_downgrade+0x900/0x900
[  416.847113]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.852231]  ? pvclock_read_flags+0x160/0x160
[  416.856737]  ? lapic_next_event+0x5a/0x90
[  416.860894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.866443]  ? kvm_clock_read+0x18/0x30
[  416.870420]  ? kvm_sched_clock_read+0x9/0x20
[  416.874849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.880393]  ? check_preemption_disabled+0x48/0x280
[  416.885423]  irq_exit+0x17f/0x1c0
[  416.888879]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.893751]  ? smp_reschedule_interrupt+0x109/0x650
[  416.898771]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.904866]  ? interrupt_entry+0xb5/0xc0
[  416.908935]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.914007]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.919031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.923885]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.928902]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.933920]  ? task_prio+0x50/0x50
[  416.937464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.943009]  ? check_preemption_disabled+0x48/0x280
[  416.948037]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.952896]  apic_timer_interrupt+0xf/0x20
[  416.957127]  </IRQ>
[  416.959371] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  416.964307] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  416.983228] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  416.990942] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  416.998225] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  417.005518] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  417.012786] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  417.020057] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  417.027392]  skb_clone+0x1bb/0x500
[  417.030944]  ? finish_task_switch+0x1b4/0x910
[  417.035451]  ? skb_split+0x11e0/0x11e0
[  417.039344]  ? preempt_notifier_register+0x200/0x200
[  417.044447]  ? __switch_to_asm+0x34/0x70
[  417.048507]  ? __switch_to_asm+0x34/0x70
[  417.052568]  ? __switch_to_asm+0x40/0x70
[  417.056632]  ? __switch_to_asm+0x34/0x70
[  417.060695]  ? __switch_to_asm+0x40/0x70
[  417.064771]  ? __switch_to_asm+0x34/0x70
[  417.068833]  ? __switch_to_asm+0x40/0x70
[  417.072896]  ? __switch_to_asm+0x34/0x70
[  417.076960]  ? __switch_to_asm+0x34/0x70
[  417.081024]  ? __switch_to_asm+0x40/0x70
[  417.085087]  ? __switch_to_asm+0x34/0x70
[  417.089157]  bpf_clone_redirect+0xb9/0x490
[  417.093419]  ? __schedule+0x8d7/0x21d0
[  417.097322]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  417.102345]  ? __sched_text_start+0x8/0x8
[  417.106503]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.111090]  ? retint_kernel+0x2d/0x2d
[  417.114983]  ? trace_hardirqs_on_caller+0xc0/0x310
[  417.119929]  ? find_held_lock+0x36/0x1c0
[  417.124001]  ? lock_acquire+0x1ed/0x520
[  417.127982]  ? bpf_test_run+0x3cb/0x780
[  417.131968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.137514]  ? check_preemption_disabled+0x48/0x280
[  417.142542]  ? kasan_check_read+0x11/0x20
[  417.146736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.152021]  ? rcu_softirq_qs+0x20/0x20
[  417.156003]  ? preempt_schedule+0x4d/0x60
[  417.160156]  ? ___preempt_schedule+0x16/0x18
[  417.164578]  ? bpf_test_run+0x25d/0x780
[  417.168572]  ? netlink_diag_dump+0x2a0/0x2a0
[  417.172988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.178527]  ? bpf_test_init.isra.10+0x70/0x100
[  417.183206]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  417.187973]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  417.192820]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  417.198361]  ? fput+0x130/0x1a0
[  417.201645]  ? __bpf_prog_get+0x9b/0x290
[  417.205716]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  417.210569]  ? bpf_prog_test_run+0x130/0x1a0
[  417.214991]  ? __x64_sys_bpf+0x3d8/0x520
[  417.219060]  ? bpf_prog_get+0x20/0x20
[  417.222886]  ? do_syscall_64+0x1b9/0x820
[  417.226948]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  417.232318]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.237246]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.242099]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.247124]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  417.252146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.257725]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.262766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.267679]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  417.273092] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  417.273179] aoe: skb alloc failure
[  417.280225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.280250] Workqueue: events_power_efficient neigh_periodic_work
[  417.280264] Call Trace:
[  417.283831] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.293142]  <IRQ>
[  417.299373] syz-executor1 cpuset=syz1 mems_allowed=0
[  417.301971]  dump_stack+0x244/0x39d
[  417.323280]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.328489]  warn_alloc.cold.116+0xb7/0x1bd
[  417.332817]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.337671]  ? lock_downgrade+0x900/0x900
[  417.341833]  ? trace_hardirqs_off+0xb8/0x310
[  417.346255]  ? trace_hardirqs_off+0xb8/0x310
[  417.350680]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.355557]  ? warn_alloc+0x120/0x120
[  417.359371]  ? warn_alloc+0x120/0x120
[  417.363175]  ? __bfs+0xb0/0x780
[  417.366477]  ? warn_alloc+0x120/0x120
[  417.370295]  ? print_usage_bug+0xc0/0xc0
[  417.374361]  ? lockdep_on+0x50/0x50
[  417.377996]  ? print_bfs_bug+0x80/0x80
[  417.381901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.387442]  ? should_fail+0x22d/0xd01
[  417.391338]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.396445]  ? __lock_acquire+0x62f/0x4c20
[  417.400688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.405842]  ? __lock_acquire+0x2aff/0x4c20
[  417.410186]  ? should_fail+0x22d/0xd01
[  417.414091]  ? mark_held_locks+0x130/0x130
[  417.418335]  ? mark_held_locks+0x130/0x130
[  417.422576]  ? update_stack_state+0x1a5/0x690
[  417.427073]  ? zap_class+0x640/0x640
[  417.430792]  ? zap_class+0x640/0x640
[  417.434509]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  417.440396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.445939]  ? check_preemption_disabled+0x48/0x280
[  417.450981]  ? __lock_is_held+0xb5/0x140
[  417.455053]  __alloc_pages_nodemask+0xa80/0xde0
[  417.459727]  ? zap_class+0x640/0x640
[  417.463448]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.468478]  ? find_held_lock+0x36/0x1c0
[  417.472551]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.477249]  ? lock_downgrade+0x900/0x900
[  417.481407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.486951]  cache_grow_begin+0xa5/0x8c0
[  417.491024]  ? do_raw_spin_unlock+0xa7/0x330
[  417.495444]  fallback_alloc+0x204/0x2e0
[  417.499430]  ____cache_alloc_node+0x1c7/0x1e0
[  417.503936]  kmem_cache_alloc_node+0xe3/0x730
[  417.508443]  ? mark_held_locks+0xc7/0x130
[  417.512606]  __alloc_skb+0x119/0x770
[  417.516331]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.520740]  ? do_raw_spin_trylock+0x270/0x270
[  417.525331]  ? kmem_cache_alloc_trace+0x353/0x750
[  417.530187]  ? queue_work_on+0x12c/0x1e0
[  417.534268]  ? switchdev_port_obj_del+0xdc/0x440
[  417.539030]  ? switchdev_trans_item_enqueue+0x260/0x260
[  417.544404]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.549430]  __br_mdb_notify+0x4ff/0x15d0
[  417.553580]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  417.558695]  ? __br_mdb_add+0x7f0/0x7f0
[  417.562708]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  417.567828]  ? debug_object_assert_init+0x368/0x4b0
[  417.572951]  ? debug_object_init_on_stack+0x20/0x20
[  417.577996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.583544]  br_mdb_notify+0x310/0x410
[  417.587439]  ? br_mdb_dump+0x27b0/0x27b0
[  417.591522]  br_multicast_del_pg+0x3df/0x790
[  417.595941]  ? br_mdb_ip_get+0x940/0x940
[  417.600018]  ? rwlock_bug.part.2+0x90/0x90
[  417.604267]  ? __lock_is_held+0xb5/0x140
[  417.608339]  br_multicast_port_group_expired+0x189/0x1e0
[  417.613807]  call_timer_fn+0x272/0x920
[  417.617700]  ? br_multicast_del_pg+0x790/0x790
[  417.622304]  ? process_timeout+0x40/0x40
[  417.626374]  ? mark_held_locks+0xc7/0x130
[  417.630525]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.635024]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.639529]  ? br_multicast_del_pg+0x790/0x790
[  417.644112]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.648722]  ? trace_hardirqs_on+0xbd/0x310
[  417.653071]  ? kasan_check_read+0x11/0x20
[  417.657219]  ? __run_timers+0x7da/0xc70
[  417.661204]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.666320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.670566]  ? br_multicast_del_pg+0x790/0x790
[  417.675163]  __run_timers+0x7e5/0xc70
[  417.679007]  ? timer_fixup_init+0x70/0x70
[  417.683206]  ? lock_downgrade+0x900/0x900
[  417.687362]  ? zap_class+0x640/0x640
[  417.691092]  ? print_usage_bug+0xc0/0xc0
[  417.695170]  ? trace_hardirqs_on+0x310/0x310
[  417.699589]  ? kvm_clock_read+0x18/0x30
[  417.703570]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.708602]  ? ktime_get+0x2c1/0x400
[  417.712330]  ? zap_class+0x640/0x640
[  417.716062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.721602]  ? check_preemption_disabled+0x48/0x280
[  417.726648]  ? __lock_is_held+0xb5/0x140
[  417.730716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.736261]  ? check_preemption_disabled+0x48/0x280
[  417.741288]  run_timer_softirq+0x52/0xb0
[  417.745352]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.750376]  __do_softirq+0x308/0xb7e
[  417.754188]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.759296]  ? irq_exit+0xbd/0x1c0
[  417.762841]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  417.767864]  ? smp_call_function_single_interrupt+0x650/0x650
[  417.773767]  ? ret_from_intr+0xb/0x1e
[  417.777659]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.782681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.787528]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.792548]  ? task_prio+0x50/0x50
[  417.796108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.801652]  ? check_preemption_disabled+0x48/0x280
[  417.806704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.811558]  ? neigh_periodic_work+0x6bd/0xc60
[  417.816151]  do_softirq_own_stack+0x2a/0x40
[  417.820470]  </IRQ>
[  417.822712]  do_softirq.part.14+0x126/0x160
[  417.827036]  __local_bh_enable_ip+0x21d/0x260
[  417.831538]  _raw_write_unlock_bh+0x30/0x40
[  417.835868]  neigh_periodic_work+0x6bd/0xc60
[  417.840295]  ? neigh_table_clear+0x390/0x390
[  417.844727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.850272]  ? check_preemption_disabled+0x48/0x280
[  417.855303]  ? __lock_is_held+0xb5/0x140
[  417.859384]  process_one_work+0xc90/0x1c40
[  417.863622]  ? mark_held_locks+0x130/0x130
[  417.867869]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  417.872539]  ? __switch_to_asm+0x40/0x70
[  417.876601]  ? __switch_to_asm+0x40/0x70
[  417.880660]  ? __switch_to_asm+0x34/0x70
[  417.884720]  ? __switch_to_asm+0x40/0x70
[  417.888783]  ? __switch_to_asm+0x34/0x70
[  417.892843]  ? __switch_to_asm+0x40/0x70
[  417.896903]  ? __switch_to_asm+0x34/0x70
[  417.900972]  ? __switch_to_asm+0x40/0x70
[  417.905241]  ? __schedule+0x8d7/0x21d0
[  417.909139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.914166]  ? lock_downgrade+0x900/0x900
[  417.918320]  ? zap_class+0x640/0x640
[  417.922039]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.926916]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.931519]  ? lock_acquire+0x1ed/0x520
[  417.935498]  ? worker_thread+0x3e0/0x1390
[  417.939659]  ? kasan_check_read+0x11/0x20
[  417.943812]  ? do_raw_spin_lock+0x14f/0x350
[  417.948133]  ? kasan_check_read+0x11/0x20
[  417.952285]  ? rwlock_bug.part.2+0x90/0x90
[  417.956537]  ? trace_hardirqs_on+0x310/0x310
[  417.960971]  worker_thread+0x17f/0x1390
[  417.964949]  ? __switch_to_asm+0x34/0x70
[  417.969038]  ? process_one_work+0x1c40/0x1c40
[  417.973549]  ? zap_class+0x640/0x640
[  417.977265]  ? find_held_lock+0x36/0x1c0
[  417.981356]  ? __kthread_parkme+0xce/0x1a0
[  417.986290]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  417.991393]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  417.996500]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.001089]  ? trace_hardirqs_on+0xbd/0x310
[  418.005415]  ? kasan_check_read+0x11/0x20
[  418.009716]  ? __kthread_parkme+0xce/0x1a0
[  418.013955]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.019075]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.024191]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  418.029308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.034848]  ? __kthread_parkme+0xfb/0x1a0
[  418.039094]  ? process_one_work+0x1c40/0x1c40
[  418.043595]  kthread+0x35a/0x440
[  418.046968]  ? kthread_stop+0x900/0x900
[  418.050954]  ret_from_fork+0x3a/0x50
[  418.054694] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  418.054716] warn_alloc_show_mem: 1 callbacks suppressed
[  418.054721] Mem-Info:
[  418.062082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.062091] Call Trace:
[  418.067469] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  418.067469]  active_file:16 inactive_file:3 isolated_file:0
[  418.067469]  unevictable:0 dirty:0 writeback:0 unstable:0
[  418.067469]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  418.067469]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  418.067469]  free:13690 free_pcp:879 free_cma:0
[  418.069849]  <IRQ>
[  418.079214] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  418.081803]  dump_stack+0x244/0x39d
[  418.114756] 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
[  418.116921]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.144733] lowmem_reserve[]: 0 2818 6321 6321
[  418.148384]  warn_alloc.cold.116+0xb7/0x1bd
[  418.174467] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  418.179662]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.184226] lowmem_reserve[]: 0 0 3503 3503
[  418.188553]  ? lock_downgrade+0x900/0x900
[  418.216125] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  418.220991]  ? trace_hardirqs_off+0xb8/0x310
[  418.225285] lowmem_reserve[]: 0 0 0 0
[  418.229438]  ? trace_hardirqs_off+0xb8/0x310
[  418.258770] 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
[  418.263198]  __alloc_pages_slowpath+0x26e8/0x2e10
[  418.266972] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  418.271405]  ? warn_alloc+0x120/0x120
[  418.284887] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  418.289739]  ? warn_alloc+0x120/0x120
[  418.304972] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  418.304986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  418.308788]  ? __lock_acquire+0x62f/0x4c20
[  418.322731] 4380 total pagecache pages
[  418.326527]  ? warn_alloc+0x120/0x120
[  418.335353] 0 pages in swap cache
[  418.343920]  ? print_usage_bug+0xc0/0xc0
[  418.348138] Swap cache stats: add 0, delete 0, find 0/0
[  418.352020]  ? print_usage_bug+0xc0/0xc0
[  418.355793] Free swap  = 0kB
[  418.355803] Total swap = 0kB
[  418.359258]  ? mark_held_locks+0x130/0x130
[  418.363299] 1965979 pages RAM
[  418.368665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.372702] 0 pages HighMem/MovableOnly
[  418.375735]  ? should_fail+0x22d/0xd01
[  418.378721] 342854 pages reserved
[  418.378727] 0 pages cma reserved
[  418.379687] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.382976]  ? zap_class+0x640/0x640
[  418.386064] kworker/0:2 cpuset=/ mems_allowed=0
[  418.391614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.430009]  ? __lock_acquire+0x62f/0x4c20
[  418.434252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.439358]  ? should_fail+0x22d/0xd01
[  418.443264]  ? mark_held_locks+0x130/0x130
[  418.447505]  ? mark_held_locks+0x130/0x130
[  418.451749]  ? lock_downgrade+0x900/0x900
[  418.455903]  ? zap_class+0x640/0x640
[  418.459624]  ? zap_class+0x640/0x640
[  418.463343]  ? zap_class+0x640/0x640
[  418.467057]  ? do_raw_spin_unlock+0xa7/0x330
[  418.471469]  ? trace_hardirqs_on+0x310/0x310
[  418.475881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.481422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.486995]  ? check_preemption_disabled+0x48/0x280
[  418.492053]  ? __lock_is_held+0xb5/0x140
[  418.496122]  __alloc_pages_nodemask+0xa80/0xde0
[  418.500806]  ? zap_class+0x640/0x640
[  418.504532]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.509563]  ? find_held_lock+0x36/0x1c0
[  418.513636]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.518313]  ? lock_downgrade+0x900/0x900
[  418.522471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.528045]  cache_grow_begin+0xa5/0x8c0
[  418.532111]  ? do_raw_spin_unlock+0xa7/0x330
[  418.536533]  fallback_alloc+0x204/0x2e0
[  418.540518]  ____cache_alloc_node+0x1c7/0x1e0
[  418.545021]  kmem_cache_alloc_node+0xe3/0x730
[  418.549524]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.554117]  __alloc_skb+0x119/0x770
[  418.557851]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  418.563223]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.567654]  ? vprintk_default+0x28/0x30
[  418.571719]  ? vprintk_func+0x85/0x181
[  418.575618]  ? printk+0xa7/0xcf
[  418.578901]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  418.583671]  new_skb+0x26/0x1c0
[  418.586955]  aoecmd_cfg+0x279/0x7f0
[  418.590605]  ? find_held_lock+0x36/0x1c0
[  418.594676]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  418.599031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.604602]  ? __lock_is_held+0xb5/0x140
[  418.608715]  discover_timer+0x50/0x60
[  418.612524]  call_timer_fn+0x272/0x920
[  418.616432]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  418.621333]  ? process_timeout+0x40/0x40
[  418.625422]  ? __run_timers+0x7da/0xc70
[  418.629412]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.633921]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.638418]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  418.643268]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.647857]  ? trace_hardirqs_on+0xbd/0x310
[  418.652184]  ? kasan_check_read+0x11/0x20
[  418.656332]  ? __run_timers+0x7da/0xc70
[  418.660310]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.665430]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  418.670273]  __run_timers+0x7e5/0xc70
[  418.674088]  ? timer_fixup_init+0x70/0x70
[  418.678243]  ? lock_acquire+0x1ed/0x520
[  418.682232]  ? zap_class+0x640/0x640
[  418.685952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.691524]  ? kasan_check_read+0x11/0x20
[  418.695673]  ? do_raw_spin_lock+0x14f/0x350
[  418.700018]  ? find_held_lock+0x36/0x1c0
[  418.704102]  ? zap_class+0x640/0x640
[  418.707823]  ? pvclock_read_flags+0x160/0x160
[  418.712325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.717871]  ? check_preemption_disabled+0x48/0x280
[  418.722903]  ? __lock_is_held+0xb5/0x140
[  418.726980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.732521]  ? check_preemption_disabled+0x48/0x280
[  418.737548]  run_timer_softirq+0x52/0xb0
[  418.741612]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.746645]  __do_softirq+0x308/0xb7e
[  418.750463]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.754969]  ? lock_downgrade+0x900/0x900
[  418.759129]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.764260]  ? pvclock_read_flags+0x160/0x160
[  418.768760]  ? lapic_next_event+0x5a/0x90
[  418.772941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.778519]  ? kvm_clock_read+0x18/0x30
[  418.782495]  ? kvm_sched_clock_read+0x9/0x20
[  418.786927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.792501]  ? check_preemption_disabled+0x48/0x280
[  418.797539]  irq_exit+0x17f/0x1c0
[  418.801002]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.805845]  ? smp_reschedule_interrupt+0x109/0x650
[  418.810863]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.816755]  ? interrupt_entry+0xb5/0xc0
[  418.820824]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.825842]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.830860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.835709]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.840739]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.845761]  ? task_prio+0x50/0x50
[  418.849308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.854850]  ? check_preemption_disabled+0x48/0x280
[  418.859881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.864746]  apic_timer_interrupt+0xf/0x20
[  418.868983]  </IRQ>
[  418.871233] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  418.876166] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  418.895071] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  418.903018] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  418.910289] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  418.917559] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  418.924831] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  418.932102] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  418.939424]  skb_clone+0x1bb/0x500
[  418.942970]  ? finish_task_switch+0x1b4/0x910
[  418.947473]  ? skb_split+0x11e0/0x11e0
[  418.951365]  ? preempt_notifier_register+0x200/0x200
[  418.956469]  ? __switch_to_asm+0x34/0x70
[  418.960531]  ? __switch_to_asm+0x34/0x70
[  418.964590]  ? __switch_to_asm+0x40/0x70
[  418.968650]  ? __switch_to_asm+0x34/0x70
[  418.972708]  ? __switch_to_asm+0x40/0x70
[  418.976774]  ? __switch_to_asm+0x34/0x70
[  418.980834]  ? __switch_to_asm+0x40/0x70
[  418.984894]  ? __switch_to_asm+0x34/0x70
[  418.988958]  ? __switch_to_asm+0x34/0x70
[  418.993021]  ? __switch_to_asm+0x40/0x70
[  418.997095]  ? __switch_to_asm+0x34/0x70
[  419.001172]  bpf_clone_redirect+0xb9/0x490
[  419.005418]  ? __schedule+0x8d7/0x21d0
[  419.009317]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  419.014341]  ? __sched_text_start+0x8/0x8
[  419.018498]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.023079]  ? retint_kernel+0x2d/0x2d
[  419.026971]  ? trace_hardirqs_on_caller+0xc0/0x310
[  419.031915]  ? find_held_lock+0x36/0x1c0
[  419.035991]  ? lock_acquire+0x1ed/0x520
[  419.039970]  ? bpf_test_run+0x3cb/0x780
[  419.043952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.049498]  ? check_preemption_disabled+0x48/0x280
[  419.054526]  ? kasan_check_read+0x11/0x20
[  419.058679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.063974]  ? rcu_softirq_qs+0x20/0x20
[  419.067953]  ? preempt_schedule+0x4d/0x60
[  419.072103]  ? ___preempt_schedule+0x16/0x18
[  419.076525]  ? bpf_test_run+0x25d/0x780
[  419.080515]  ? netlink_diag_dump+0x2a0/0x2a0
[  419.084932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.090472]  ? bpf_test_init.isra.10+0x70/0x100
[  419.095148]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  419.099917]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  419.104767]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  419.110347]  ? fput+0x130/0x1a0
[  419.113644]  ? __bpf_prog_get+0x9b/0x290
[  419.117710]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  419.122558]  ? bpf_prog_test_run+0x130/0x1a0
[  419.126977]  ? __x64_sys_bpf+0x3d8/0x520
[  419.131080]  ? bpf_prog_get+0x20/0x20
[  419.134928]  ? do_syscall_64+0x1b9/0x820
[  419.138994]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  419.144368]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.149310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.154160]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.159180]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  419.164204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.169750]  ? prepare_exit_to_usermode+0x291/0x3b0
[  419.174776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.179683]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  419.185096] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  419.185180] aoe: skb alloc failure
[  419.192206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.192237] Workqueue: events_power_efficient neigh_periodic_work
[  419.195934] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.205253] Call Trace:
[  419.211476] syz-executor1 cpuset=syz1 mems_allowed=0
[  419.221953]  <IRQ>
[  419.231768]  dump_stack+0x244/0x39d
[  419.235411]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.240615]  warn_alloc.cold.116+0xb7/0x1bd
[  419.245031]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.249898]  ? lock_downgrade+0x900/0x900
[  419.254066]  ? trace_hardirqs_off+0xb8/0x310
[  419.258487]  ? trace_hardirqs_off+0xb8/0x310
[  419.262908]  __alloc_pages_slowpath+0x26e8/0x2e10
[  419.267785]  ? warn_alloc+0x120/0x120
[  419.271596]  ? warn_alloc+0x120/0x120
[  419.275402]  ? __bfs+0xb0/0x780
[  419.278685]  ? warn_alloc+0x120/0x120
[  419.282488]  ? print_usage_bug+0xc0/0xc0
[  419.286560]  ? print_usage_bug+0xc0/0xc0
[  419.290624]  ? check_usage+0x1aa/0x790
[  419.294516]  ? check_usage+0x1aa/0x790
[  419.298415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.303966]  ? should_fail+0x22d/0xd01
[  419.307867]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.312984]  ? __lock_acquire+0x62f/0x4c20
[  419.317233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.322339]  ? __lock_acquire+0x62f/0x4c20
[  419.326573]  ? should_fail+0x22d/0xd01
[  419.330481]  ? mark_held_locks+0x130/0x130
[  419.334751]  ? mark_held_locks+0x130/0x130
[  419.339009]  ? update_stack_state+0x1a5/0x690
[  419.343513]  ? zap_class+0x640/0x640
[  419.347238]  ? ret_from_fork+0x3a/0x50
[  419.351129]  ? __lock_acquire+0x2aff/0x4c20
[  419.355458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.361003]  ? check_preemption_disabled+0x48/0x280
[  419.366038]  ? __lock_is_held+0xb5/0x140
[  419.370136]  __alloc_pages_nodemask+0xa80/0xde0
[  419.374806]  ? zap_class+0x640/0x640
[  419.378526]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.383570]  ? find_held_lock+0x36/0x1c0
[  419.387656]  ? ____cache_alloc_node+0x1c7/0x1e0
[  419.392332]  ? lock_downgrade+0x900/0x900
[  419.396490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.402037]  cache_grow_begin+0xa5/0x8c0
[  419.406114]  ? do_raw_spin_unlock+0xa7/0x330
[  419.410531]  fallback_alloc+0x204/0x2e0
[  419.414515]  ____cache_alloc_node+0x1c7/0x1e0
[  419.419023]  kmem_cache_alloc_node+0xe3/0x730
[  419.423529]  ? mark_held_locks+0xc7/0x130
[  419.427698]  __alloc_skb+0x119/0x770
[  419.431423]  ? netdev_alloc_frag+0x1f0/0x1f0
[  419.435839]  ? do_raw_spin_trylock+0x270/0x270
[  419.440429]  ? kmem_cache_alloc_trace+0x353/0x750
[  419.445282]  ? queue_work_on+0x12c/0x1e0
[  419.449356]  ? switchdev_port_obj_del+0xdc/0x440
[  419.454157]  ? switchdev_trans_item_enqueue+0x260/0x260
[  419.459533]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  419.464564]  __br_mdb_notify+0x4ff/0x15d0
[  419.468716]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.473827]  ? __br_mdb_add+0x7f0/0x7f0
[  419.477825]  ? mark_held_locks+0x130/0x130
[  419.482095]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.487241]  ? debug_object_assert_init+0x368/0x4b0
[  419.492272]  ? debug_object_init_on_stack+0x20/0x20
[  419.497294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.502868]  br_mdb_notify+0x310/0x410
[  419.506763]  ? br_mdb_dump+0x27b0/0x27b0
[  419.510844]  br_multicast_del_pg+0x3df/0x790
[  419.515297]  ? br_mdb_ip_get+0x940/0x940
[  419.519388]  ? rwlock_bug.part.2+0x90/0x90
[  419.523635]  ? __lock_is_held+0xb5/0x140
[  419.527714]  br_multicast_port_group_expired+0x189/0x1e0
[  419.533170]  call_timer_fn+0x272/0x920
[  419.537061]  ? br_multicast_del_pg+0x790/0x790
[  419.541645]  ? process_timeout+0x40/0x40
[  419.545720]  ? mark_held_locks+0xc7/0x130
[  419.549874]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.554381]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.558884]  ? br_multicast_del_pg+0x790/0x790
[  419.563473]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.568067]  ? trace_hardirqs_on+0xbd/0x310
[  419.572414]  ? kasan_check_read+0x11/0x20
[  419.576564]  ? __run_timers+0x7da/0xc70
[  419.580543]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.585659]  ? br_multicast_del_pg+0x790/0x790
[  419.590256]  ? br_multicast_del_pg+0x790/0x790
[  419.594840]  __run_timers+0x7e5/0xc70
[  419.598693]  ? timer_fixup_init+0x70/0x70
[  419.602857]  ? lock_downgrade+0x900/0x900
[  419.607007]  ? zap_class+0x640/0x640
[  419.610733]  ? print_usage_bug+0xc0/0xc0
[  419.614819]  ? trace_hardirqs_on+0x310/0x310
[  419.619262]  ? kvm_clock_read+0x18/0x30
[  419.623245]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  419.628265]  ? ktime_get+0x2c1/0x400
[  419.632016]  ? zap_class+0x640/0x640
[  419.635745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.641306]  ? check_preemption_disabled+0x48/0x280
[  419.646340]  ? __lock_is_held+0xb5/0x140
[  419.650425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.656000]  ? check_preemption_disabled+0x48/0x280
[  419.661027]  run_timer_softirq+0x52/0xb0
[  419.665093]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.670120]  __do_softirq+0x308/0xb7e
[  419.673933]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.679042]  ? irq_exit+0xbd/0x1c0
[  419.682590]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  419.687626]  ? smp_call_function_single_interrupt+0x650/0x650
[  419.693514]  ? ret_from_intr+0xb/0x1e
[  419.697347]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.702373]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.707228]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.712253]  ? task_prio+0x50/0x50
[  419.715798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.721344]  ? check_preemption_disabled+0x48/0x280
[  419.726376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.731246]  ? neigh_periodic_work+0x6bd/0xc60
[  419.735844]  do_softirq_own_stack+0x2a/0x40
[  419.740166]  </IRQ>
[  419.742411]  do_softirq.part.14+0x126/0x160
[  419.746737]  __local_bh_enable_ip+0x21d/0x260
[  419.751246]  _raw_write_unlock_bh+0x30/0x40
[  419.755573]  neigh_periodic_work+0x6bd/0xc60
[  419.760038]  ? neigh_table_clear+0x390/0x390
[  419.764460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.770002]  ? check_preemption_disabled+0x48/0x280
[  419.775033]  ? __lock_is_held+0xb5/0x140
[  419.779123]  process_one_work+0xc90/0x1c40
[  419.783367]  ? mark_held_locks+0x130/0x130
[  419.787640]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  419.792308]  ? __switch_to_asm+0x40/0x70
[  419.796396]  ? __switch_to_asm+0x40/0x70
[  419.800457]  ? __switch_to_asm+0x34/0x70
[  419.804518]  ? __switch_to_asm+0x40/0x70
[  419.808584]  ? __switch_to_asm+0x34/0x70
[  419.812647]  ? __switch_to_asm+0x40/0x70
[  419.816712]  ? __switch_to_asm+0x34/0x70
[  419.820776]  ? __switch_to_asm+0x40/0x70
[  419.824847]  ? __schedule+0x8d7/0x21d0
[  419.828739]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.833772]  ? lock_downgrade+0x900/0x900
[  419.837928]  ? zap_class+0x640/0x640
[  419.841654]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.846509]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.851109]  ? lock_acquire+0x1ed/0x520
[  419.855086]  ? worker_thread+0x3e0/0x1390
[  419.859266]  ? kasan_check_read+0x11/0x20
[  419.863427]  ? do_raw_spin_lock+0x14f/0x350
[  419.867760]  ? kasan_check_read+0x11/0x20
[  419.871925]  ? rwlock_bug.part.2+0x90/0x90
[  419.876174]  ? trace_hardirqs_on+0x310/0x310
[  419.880602]  worker_thread+0x17f/0x1390
[  419.884583]  ? __switch_to_asm+0x34/0x70
[  419.888665]  ? process_one_work+0x1c40/0x1c40
[  419.893172]  ? zap_class+0x640/0x640
[  419.896901]  ? find_held_lock+0x36/0x1c0
[  419.901013]  ? __kthread_parkme+0xce/0x1a0
[  419.905258]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.910374]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.915483]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.920075]  ? trace_hardirqs_on+0xbd/0x310
[  419.924400]  ? kasan_check_read+0x11/0x20
[  419.928551]  ? __kthread_parkme+0xce/0x1a0
[  419.932789]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.937897]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.943013]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.948120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.953664]  ? __kthread_parkme+0xfb/0x1a0
[  419.957903]  ? process_one_work+0x1c40/0x1c40
[  419.962404]  kthread+0x35a/0x440
[  419.965773]  ? kthread_stop+0x900/0x900
[  419.969773]  ret_from_fork+0x3a/0x50
[  419.973501] warn_alloc_show_mem: 1 callbacks suppressed
[  419.973513] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  419.973515] Mem-Info:
[  419.973546] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  419.973546]  active_file:16 inactive_file:3 isolated_file:0
[  419.973546]  unevictable:0 dirty:0 writeback:0 unstable:0
[  419.973546]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  419.973546]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  419.973546]  free:13690 free_pcp:879 free_cma:0
[  419.978899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.986281] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  419.988683] Call Trace:
[  420.021793] 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
[  420.031153]  <IRQ>
[  420.058992] lowmem_reserve[]: 0 2818 6321 6321
[  420.061593]  dump_stack+0x244/0x39d
[  420.087680] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  420.089838]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.094393] lowmem_reserve[]: 0 0 3503 3503
[  420.098032]  warn_alloc.cold.116+0xb7/0x1bd
[  420.125584] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  420.130806]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.135098] lowmem_reserve[]: 0 0 0 0
[  420.139426]  ? lock_downgrade+0x900/0x900
[  420.168732] 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
[  420.173587]  ? trace_hardirqs_off+0xb8/0x310
[  420.177358] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  420.181511]  ? trace_hardirqs_off+0xb8/0x310
[  420.195016] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  420.199432]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.214694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  420.219119]  ? warn_alloc+0x120/0x120
[  420.233042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  420.237884]  ? warn_alloc+0x120/0x120
[  420.246697] 4380 total pagecache pages
[  420.250504]  ? __lock_acquire+0x62f/0x4c20
[  420.259063] 0 pages in swap cache
[  420.262856]  ? warn_alloc+0x120/0x120
[  420.266724] Swap cache stats: add 0, delete 0, find 0/0
[  420.270972]  ? print_usage_bug+0xc0/0xc0
[  420.274397] Free swap  = 0kB
[  420.278192]  ? print_usage_bug+0xc0/0xc0
[  420.283539] Total swap = 0kB
[  420.287595]  ? mark_held_locks+0x130/0x130
[  420.290602] 1965979 pages RAM
[  420.294667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.297657] 0 pages HighMem/MovableOnly
[  420.297667] 342854 pages reserved
[  420.301938]  ? should_fail+0x22d/0xd01
[  420.305013] 0 pages cma reserved
[  420.310544]  ? zap_class+0x640/0x640
[  420.314666] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.317950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.321819] kworker/0:2 cpuset=/ mems_allowed=0
[  420.325187]  ? __lock_acquire+0x62f/0x4c20
[  420.353166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.358273]  ? should_fail+0x22d/0xd01
[  420.362178]  ? mark_held_locks+0x130/0x130
[  420.366421]  ? mark_held_locks+0x130/0x130
[  420.370661]  ? lock_downgrade+0x900/0x900
[  420.374819]  ? zap_class+0x640/0x640
[  420.378551]  ? zap_class+0x640/0x640
[  420.382278]  ? zap_class+0x640/0x640
[  420.385994]  ? do_raw_spin_unlock+0xa7/0x330
[  420.390406]  ? trace_hardirqs_on+0x310/0x310
[  420.394817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.400358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.405904]  ? check_preemption_disabled+0x48/0x280
[  420.410935]  ? __lock_is_held+0xb5/0x140
[  420.415015]  __alloc_pages_nodemask+0xa80/0xde0
[  420.419685]  ? zap_class+0x640/0x640
[  420.423409]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.428442]  ? find_held_lock+0x36/0x1c0
[  420.432542]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.437231]  ? lock_downgrade+0x900/0x900
[  420.441391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.446938]  cache_grow_begin+0xa5/0x8c0
[  420.451015]  ? do_raw_spin_unlock+0xa7/0x330
[  420.455434]  fallback_alloc+0x204/0x2e0
[  420.459418]  ____cache_alloc_node+0x1c7/0x1e0
[  420.463927]  kmem_cache_alloc_node+0xe3/0x730
[  420.468435]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.473029]  __alloc_skb+0x119/0x770
[  420.476746]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  420.482118]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.486570]  ? vprintk_default+0x28/0x30
[  420.490663]  ? vprintk_func+0x85/0x181
[  420.494552]  ? printk+0xa7/0xcf
[  420.497847]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  420.502615]  new_skb+0x26/0x1c0
[  420.505899]  aoecmd_cfg+0x279/0x7f0
[  420.509532]  ? find_held_lock+0x36/0x1c0
[  420.513599]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  420.517963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.523518]  ? __lock_is_held+0xb5/0x140
[  420.527597]  discover_timer+0x50/0x60
[  420.531401]  call_timer_fn+0x272/0x920
[  420.535294]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  420.540139]  ? process_timeout+0x40/0x40
[  420.544213]  ? __run_timers+0x7da/0xc70
[  420.548196]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.552694]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.557196]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  420.562052]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.566639]  ? trace_hardirqs_on+0xbd/0x310
[  420.570975]  ? kasan_check_read+0x11/0x20
[  420.575127]  ? __run_timers+0x7da/0xc70
[  420.579107]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.584228]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  420.589071]  __run_timers+0x7e5/0xc70
[  420.592899]  ? timer_fixup_init+0x70/0x70
[  420.597051]  ? lock_acquire+0x1ed/0x520
[  420.601040]  ? zap_class+0x640/0x640
[  420.604796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.610376]  ? kasan_check_read+0x11/0x20
[  420.614530]  ? do_raw_spin_lock+0x14f/0x350
[  420.618875]  ? find_held_lock+0x36/0x1c0
[  420.622943]  ? zap_class+0x640/0x640
[  420.626673]  ? pvclock_read_flags+0x160/0x160
[  420.631178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.636728]  ? check_preemption_disabled+0x48/0x280
[  420.641759]  ? __lock_is_held+0xb5/0x140
[  420.645840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.651383]  ? check_preemption_disabled+0x48/0x280
[  420.656411]  run_timer_softirq+0x52/0xb0
[  420.660474]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.665494]  __do_softirq+0x308/0xb7e
[  420.669301]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.673802]  ? lock_downgrade+0x900/0x900
[  420.677955]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.683397]  ? pvclock_read_flags+0x160/0x160
[  420.687899]  ? lapic_next_event+0x5a/0x90
[  420.692051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.697595]  ? kvm_clock_read+0x18/0x30
[  420.701570]  ? kvm_sched_clock_read+0x9/0x20
[  420.706003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.711547]  ? check_preemption_disabled+0x48/0x280
[  420.716579]  irq_exit+0x17f/0x1c0
[  420.720037]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.724898]  ? smp_reschedule_interrupt+0x109/0x650
[  420.729939]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.735829]  ? interrupt_entry+0xb5/0xc0
[  420.739908]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.744925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.749967]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.754812]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.759831]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.764897]  ? task_prio+0x50/0x50
[  420.768453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.773999]  ? check_preemption_disabled+0x48/0x280
[  420.779023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.783879]  apic_timer_interrupt+0xf/0x20
[  420.788113]  </IRQ>
[  420.790354] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  420.795288] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  420.814189] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.821900] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  420.829255] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  420.836521] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  420.843789] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  420.851061] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  420.858393]  skb_clone+0x1bb/0x500
[  420.861942]  ? finish_task_switch+0x1b4/0x910
[  420.866448]  ? skb_split+0x11e0/0x11e0
[  420.870341]  ? preempt_notifier_register+0x200/0x200
[  420.875444]  ? __switch_to_asm+0x34/0x70
[  420.879506]  ? __switch_to_asm+0x34/0x70
[  420.883569]  ? __switch_to_asm+0x40/0x70
[  420.887629]  ? __switch_to_asm+0x34/0x70
[  420.891691]  ? __switch_to_asm+0x40/0x70
[  420.895752]  ? __switch_to_asm+0x34/0x70
[  420.899811]  ? __switch_to_asm+0x40/0x70
[  420.904091]  ? __switch_to_asm+0x34/0x70
[  420.908154]  ? __switch_to_asm+0x34/0x70
[  420.912216]  ? __switch_to_asm+0x40/0x70
[  420.916290]  ? __switch_to_asm+0x34/0x70
[  420.920391]  bpf_clone_redirect+0xb9/0x490
[  420.924631]  ? __schedule+0x8d7/0x21d0
[  420.928526]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  420.933572]  ? __sched_text_start+0x8/0x8
[  420.937746]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.942330]  ? retint_kernel+0x2d/0x2d
[  420.946277]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.951213]  ? find_held_lock+0x36/0x1c0
[  420.955300]  ? lock_acquire+0x1ed/0x520
[  420.959276]  ? bpf_test_run+0x3cb/0x780
[  420.963254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.968801]  ? check_preemption_disabled+0x48/0x280
[  420.973828]  ? kasan_check_read+0x11/0x20
[  420.977988]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.983270]  ? rcu_softirq_qs+0x20/0x20
[  420.987263]  ? preempt_schedule+0x4d/0x60
[  420.991415]  ? ___preempt_schedule+0x16/0x18
[  420.995849]  ? bpf_test_run+0x25d/0x780
[  420.999854]  ? netlink_diag_dump+0x2a0/0x2a0
[  421.004269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.009808]  ? bpf_test_init.isra.10+0x70/0x100
[  421.014505]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  421.019277]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  421.024124]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  421.029663]  ? fput+0x130/0x1a0
[  421.032949]  ? __bpf_prog_get+0x9b/0x290
[  421.037029]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  421.041870]  ? bpf_prog_test_run+0x130/0x1a0
[  421.046285]  ? __x64_sys_bpf+0x3d8/0x520
[  421.050353]  ? bpf_prog_get+0x20/0x20
[  421.054220]  ? do_syscall_64+0x1b9/0x820
[  421.058298]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  421.063669]  ? syscall_return_slowpath+0x5e0/0x5e0
[  421.068599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.073969]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.078994]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  421.084028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.089592]  ? prepare_exit_to_usermode+0x291/0x3b0
[  421.094620]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.099473]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  421.104861] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  421.104947] aoe: skb alloc failure
[  421.111977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.112006] Workqueue: events_power_efficient neigh_periodic_work
[  421.112020] Call Trace:
[  421.115586] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.124905]  <IRQ>
[  421.131128] syz-executor1 cpuset=syz1 mems_allowed=0
[  421.133726]  dump_stack+0x244/0x39d
[  421.155045]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.160267]  warn_alloc.cold.116+0xb7/0x1bd
[  421.164593]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.169442]  ? lock_downgrade+0x900/0x900
[  421.173603]  ? trace_hardirqs_off+0xb8/0x310
[  421.178024]  ? trace_hardirqs_off+0xb8/0x310
[  421.182447]  __alloc_pages_slowpath+0x26e8/0x2e10
[  421.187322]  ? warn_alloc+0x120/0x120
[  421.191143]  ? warn_alloc+0x120/0x120
[  421.194953]  ? warn_alloc+0x120/0x120
[  421.198817]  ? print_usage_bug+0xc0/0xc0
[  421.202918]  ? print_usage_bug+0xc0/0xc0
[  421.206990]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.212195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.217775]  ? should_fail+0x22d/0xd01
[  421.221691]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.226816]  ? __lock_acquire+0x62f/0x4c20
[  421.231109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.236242]  ? __lock_acquire+0x62f/0x4c20
[  421.240475]  ? should_fail+0x22d/0xd01
[  421.244376]  ? mark_held_locks+0x130/0x130
[  421.248615]  ? mark_held_locks+0x130/0x130
[  421.252849]  ? update_stack_state+0x1a5/0x690
[  421.257356]  ? zap_class+0x640/0x640
[  421.261071]  ? ret_from_fork+0x3a/0x50
[  421.264969]  ? __lock_acquire+0x62f/0x4c20
[  421.269207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.274790]  ? check_preemption_disabled+0x48/0x280
[  421.279818]  ? __lock_is_held+0xb5/0x140
[  421.283891]  __alloc_pages_nodemask+0xa80/0xde0
[  421.288563]  ? zap_class+0x640/0x640
[  421.292285]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.297340]  ? find_held_lock+0x36/0x1c0
[  421.301417]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.306089]  ? lock_downgrade+0x900/0x900
[  421.310250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.315798]  cache_grow_begin+0xa5/0x8c0
[  421.319865]  ? do_raw_spin_unlock+0xa7/0x330
[  421.324283]  fallback_alloc+0x204/0x2e0
[  421.328268]  ____cache_alloc_node+0x1c7/0x1e0
[  421.332771]  kmem_cache_alloc_node+0xe3/0x730
[  421.337268]  ? mark_held_locks+0xc7/0x130
[  421.341432]  __alloc_skb+0x119/0x770
[  421.345153]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.349566]  ? do_raw_spin_trylock+0x270/0x270
[  421.354151]  ? kmem_cache_alloc_trace+0x353/0x750
[  421.359002]  ? queue_work_on+0x12c/0x1e0
[  421.363074]  ? switchdev_port_obj_del+0xdc/0x440
[  421.367833]  ? switchdev_trans_item_enqueue+0x260/0x260
[  421.373205]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  421.378243]  __br_mdb_notify+0x4ff/0x15d0
[  421.382392]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.387518]  ? __br_mdb_add+0x7f0/0x7f0
[  421.391500]  ? mark_held_locks+0x130/0x130
[  421.395741]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.400853]  ? debug_object_assert_init+0x368/0x4b0
[  421.405915]  ? debug_object_init_on_stack+0x20/0x20
[  421.410937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.416494]  br_mdb_notify+0x310/0x410
[  421.420399]  ? br_mdb_dump+0x27b0/0x27b0
[  421.424475]  br_multicast_del_pg+0x3df/0x790
[  421.428896]  ? br_mdb_ip_get+0x940/0x940
[  421.432971]  ? rwlock_bug.part.2+0x90/0x90
[  421.437218]  ? __lock_is_held+0xb5/0x140
[  421.441299]  br_multicast_port_group_expired+0x189/0x1e0
[  421.446756]  call_timer_fn+0x272/0x920
[  421.450657]  ? br_multicast_del_pg+0x790/0x790
[  421.455244]  ? process_timeout+0x40/0x40
[  421.459329]  ? mark_held_locks+0xc7/0x130
[  421.463492]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.467992]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.472486]  ? br_multicast_del_pg+0x790/0x790
[  421.477085]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.481674]  ? trace_hardirqs_on+0xbd/0x310
[  421.486011]  ? kasan_check_read+0x11/0x20
[  421.490157]  ? __run_timers+0x7da/0xc70
[  421.494133]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.499250]  ? br_multicast_del_pg+0x790/0x790
[  421.503841]  ? br_multicast_del_pg+0x790/0x790
[  421.508425]  __run_timers+0x7e5/0xc70
[  421.512250]  ? timer_fixup_init+0x70/0x70
[  421.516427]  ? lock_downgrade+0x900/0x900
[  421.520584]  ? zap_class+0x640/0x640
[  421.524311]  ? print_usage_bug+0xc0/0xc0
[  421.528379]  ? trace_hardirqs_on+0x310/0x310
[  421.532798]  ? kvm_clock_read+0x18/0x30
[  421.536777]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  421.541793]  ? ktime_get+0x2c1/0x400
[  421.545526]  ? zap_class+0x640/0x640
[  421.549249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.554803]  ? check_preemption_disabled+0x48/0x280
[  421.559856]  ? __lock_is_held+0xb5/0x140
[  421.563930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.569499]  ? check_preemption_disabled+0x48/0x280
[  421.574528]  run_timer_softirq+0x52/0xb0
[  421.578592]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.583615]  __do_softirq+0x308/0xb7e
[  421.587432]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.592542]  ? irq_exit+0xbd/0x1c0
[  421.596083]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  421.601108]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.606994]  ? ret_from_intr+0xb/0x1e
[  421.610797]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.615821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.620668]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.625699]  ? task_prio+0x50/0x50
[  421.629248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.634797]  ? check_preemption_disabled+0x48/0x280
[  421.639819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.644707]  ? neigh_periodic_work+0x6bd/0xc60
[  421.649294]  do_softirq_own_stack+0x2a/0x40
[  421.653613]  </IRQ>
[  421.655856]  do_softirq.part.14+0x126/0x160
[  421.660182]  __local_bh_enable_ip+0x21d/0x260
[  421.664680]  _raw_write_unlock_bh+0x30/0x40
[  421.669007]  neigh_periodic_work+0x6bd/0xc60
[  421.673429]  ? neigh_table_clear+0x390/0x390
[  421.677842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.683396]  ? check_preemption_disabled+0x48/0x280
[  421.688440]  ? __lock_is_held+0xb5/0x140
[  421.692540]  process_one_work+0xc90/0x1c40
[  421.696779]  ? mark_held_locks+0x130/0x130
[  421.701027]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  421.705693]  ? __switch_to_asm+0x40/0x70
[  421.709756]  ? __switch_to_asm+0x40/0x70
[  421.713814]  ? __switch_to_asm+0x34/0x70
[  421.717873]  ? __switch_to_asm+0x40/0x70
[  421.721928]  ? __switch_to_asm+0x34/0x70
[  421.725997]  ? __switch_to_asm+0x40/0x70
[  421.730096]  ? __switch_to_asm+0x34/0x70
[  421.734155]  ? __switch_to_asm+0x40/0x70
[  421.738231]  ? __schedule+0x8d7/0x21d0
[  421.742124]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.747153]  ? lock_downgrade+0x900/0x900
[  421.751311]  ? zap_class+0x640/0x640
[  421.755027]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.759882]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.764496]  ? lock_acquire+0x1ed/0x520
[  421.768471]  ? worker_thread+0x3e0/0x1390
[  421.772632]  ? kasan_check_read+0x11/0x20
[  421.776782]  ? do_raw_spin_lock+0x14f/0x350
[  421.781104]  ? kasan_check_read+0x11/0x20
[  421.785255]  ? rwlock_bug.part.2+0x90/0x90
[  421.789507]  ? trace_hardirqs_on+0x310/0x310
[  421.793931]  worker_thread+0x17f/0x1390
[  421.797928]  ? __switch_to_asm+0x34/0x70
[  421.802036]  ? process_one_work+0x1c40/0x1c40
[  421.806542]  ? zap_class+0x640/0x640
[  421.810270]  ? find_held_lock+0x36/0x1c0
[  421.814357]  ? __kthread_parkme+0xce/0x1a0
[  421.818597]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.823699]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.828805]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.833392]  ? trace_hardirqs_on+0xbd/0x310
[  421.837717]  ? kasan_check_read+0x11/0x20
[  421.841871]  ? __kthread_parkme+0xce/0x1a0
[  421.846113]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.851311]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.856422]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.861541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.867094]  ? __kthread_parkme+0xfb/0x1a0
[  421.871334]  ? process_one_work+0x1c40/0x1c40
[  421.875833]  kthread+0x35a/0x440
[  421.879202]  ? kthread_stop+0x900/0x900
[  421.883186]  ret_from_fork+0x3a/0x50
[  421.886914] warn_alloc_show_mem: 1 callbacks suppressed
[  421.886926] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  421.886928] Mem-Info:
[  421.886969] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  421.886969]  active_file:16 inactive_file:3 isolated_file:0
[  421.886969]  unevictable:0 dirty:0 writeback:0 unstable:0
[  421.886969]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  421.886969]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  421.886969]  free:13690 free_pcp:879 free_cma:0
[  421.892308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.899685] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  421.902091] Call Trace:
[  421.935049] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  421.944396]  <IRQ>
[  421.972230] lowmem_reserve[]: 0 2818 6321 6321
[  421.974823]  dump_stack+0x244/0x39d
[  422.000907] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  422.003072]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.007635] lowmem_reserve[]: 0 0 3503 3503
[  422.011799]  warn_alloc.cold.116+0xb7/0x1bd
[  422.039395] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  422.044600]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.048891] lowmem_reserve[]: 0 0 0 0
[  422.053215]  ? lock_downgrade+0x900/0x900
[  422.082631] 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
[  422.087482]  ? trace_hardirqs_off+0xb8/0x310
[  422.091254] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  422.095403]  ? trace_hardirqs_off+0xb8/0x310
[  422.108914] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  422.113345]  __alloc_pages_slowpath+0x26e8/0x2e10
[  422.128619] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  422.133042]  ? warn_alloc+0x120/0x120
[  422.146954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  422.146971] 4380 total pagecache pages
[  422.151813]  ? warn_alloc+0x120/0x120
[  422.160648] 0 pages in swap cache
[  422.164441]  ? __lock_acquire+0x62f/0x4c20
[  422.172999] Swap cache stats: add 0, delete 0, find 0/0
[  422.176880]  ? warn_alloc+0x120/0x120
[  422.180664] Free swap  = 0kB
[  422.180686] Total swap = 0kB
[  422.184140]  ? print_usage_bug+0xc0/0xc0
[  422.188353] 1965979 pages RAM
[  422.193729]  ? print_usage_bug+0xc0/0xc0
[  422.197509] 0 pages HighMem/MovableOnly
[  422.197519] 342854 pages reserved
[  422.200553]  ? mark_held_locks+0x130/0x130
[  422.203553] 0 pages cma reserved
[  422.207613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.210910] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.214790]  ? should_fail+0x22d/0xd01
[  422.218744] kworker/0:2 cpuset=/ mems_allowed=0
[  422.222194]  ? zap_class+0x640/0x640
[  422.257836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.262948]  ? __lock_acquire+0x62f/0x4c20
[  422.267196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.272318]  ? should_fail+0x22d/0xd01
[  422.276219]  ? mark_held_locks+0x130/0x130
[  422.280461]  ? mark_held_locks+0x130/0x130
[  422.284753]  ? lock_downgrade+0x900/0x900
[  422.288916]  ? zap_class+0x640/0x640
[  422.292645]  ? zap_class+0x640/0x640
[  422.296364]  ? zap_class+0x640/0x640
[  422.300080]  ? do_raw_spin_unlock+0xa7/0x330
[  422.304491]  ? trace_hardirqs_on+0x310/0x310
[  422.308903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.314448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.320002]  ? check_preemption_disabled+0x48/0x280
[  422.325030]  ? __lock_is_held+0xb5/0x140
[  422.329103]  __alloc_pages_nodemask+0xa80/0xde0
[  422.333773]  ? zap_class+0x640/0x640
[  422.337493]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.342528]  ? find_held_lock+0x36/0x1c0
[  422.346601]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.351279]  ? lock_downgrade+0x900/0x900
[  422.355439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.361003]  cache_grow_begin+0xa5/0x8c0
[  422.365068]  ? do_raw_spin_unlock+0xa7/0x330
[  422.369486]  fallback_alloc+0x204/0x2e0
[  422.373469]  ____cache_alloc_node+0x1c7/0x1e0
[  422.377979]  kmem_cache_alloc_node+0xe3/0x730
[  422.382479]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.387073]  __alloc_skb+0x119/0x770
[  422.390788]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  422.396158]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.400577]  ? vprintk_default+0x28/0x30
[  422.404640]  ? vprintk_func+0x85/0x181
[  422.408535]  ? printk+0xa7/0xcf
[  422.411816]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  422.416586]  new_skb+0x26/0x1c0
[  422.419890]  aoecmd_cfg+0x279/0x7f0
[  422.423521]  ? find_held_lock+0x36/0x1c0
[  422.427589]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  422.431918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.437469]  ? __lock_is_held+0xb5/0x140
[  422.441545]  discover_timer+0x50/0x60
[  422.445346]  call_timer_fn+0x272/0x920
[  422.449236]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  422.454086]  ? process_timeout+0x40/0x40
[  422.458183]  ? __run_timers+0x7da/0xc70
[  422.462160]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.466655]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.471155]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  422.476005]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.480597]  ? trace_hardirqs_on+0xbd/0x310
[  422.484921]  ? kasan_check_read+0x11/0x20
[  422.489068]  ? __run_timers+0x7da/0xc70
[  422.493055]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.498175]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  422.503020]  __run_timers+0x7e5/0xc70
[  422.506868]  ? timer_fixup_init+0x70/0x70
[  422.511020]  ? lock_acquire+0x1ed/0x520
[  422.514995]  ? zap_class+0x640/0x640
[  422.518711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.524259]  ? kasan_check_read+0x11/0x20
[  422.528408]  ? do_raw_spin_lock+0x14f/0x350
[  422.532746]  ? find_held_lock+0x36/0x1c0
[  422.536816]  ? zap_class+0x640/0x640
[  422.540536]  ? pvclock_read_flags+0x160/0x160
[  422.545052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.550598]  ? check_preemption_disabled+0x48/0x280
[  422.555631]  ? __lock_is_held+0xb5/0x140
[  422.559698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.565257]  ? check_preemption_disabled+0x48/0x280
[  422.570284]  run_timer_softirq+0x52/0xb0
[  422.574353]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.579372]  __do_softirq+0x308/0xb7e
[  422.583178]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  422.587673]  ? lock_downgrade+0x900/0x900
[  422.591840]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.596951]  ? pvclock_read_flags+0x160/0x160
[  422.601463]  ? lapic_next_event+0x5a/0x90
[  422.605613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.611158]  ? kvm_clock_read+0x18/0x30
[  422.615141]  ? kvm_sched_clock_read+0x9/0x20
[  422.619555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.625098]  ? check_preemption_disabled+0x48/0x280
[  422.630127]  irq_exit+0x17f/0x1c0
[  422.633584]  smp_apic_timer_interrupt+0x1cb/0x760
[  422.638425]  ? smp_reschedule_interrupt+0x109/0x650
[  422.643454]  ? smp_call_function_single_interrupt+0x650/0x650
[  422.649342]  ? interrupt_entry+0xb5/0xc0
[  422.653410]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.658451]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.663484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.668332]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.673361]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.678381]  ? task_prio+0x50/0x50
[  422.681926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.687476]  ? check_preemption_disabled+0x48/0x280
[  422.692504]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.697357]  apic_timer_interrupt+0xf/0x20
[  422.701587]  </IRQ>
[  422.703827] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  422.708763] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  422.727688] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  422.735402] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  422.742669] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  422.749936] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  422.757204] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  422.764471] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  422.771786]  skb_clone+0x1bb/0x500
[  422.775342]  ? finish_task_switch+0x1b4/0x910
[  422.779839]  ? skb_split+0x11e0/0x11e0
[  422.783732]  ? preempt_notifier_register+0x200/0x200
[  422.788868]  ? __switch_to_asm+0x34/0x70
[  422.792932]  ? __switch_to_asm+0x34/0x70
[  422.796998]  ? __switch_to_asm+0x40/0x70
[  422.801056]  ? __switch_to_asm+0x34/0x70
[  422.805113]  ? __switch_to_asm+0x40/0x70
[  422.809171]  ? __switch_to_asm+0x34/0x70
[  422.813228]  ? __switch_to_asm+0x40/0x70
[  422.817285]  ? __switch_to_asm+0x34/0x70
[  422.821346]  ? __switch_to_asm+0x34/0x70
[  422.825404]  ? __switch_to_asm+0x40/0x70
[  422.829480]  ? __switch_to_asm+0x34/0x70
[  422.833549]  bpf_clone_redirect+0xb9/0x490
[  422.837791]  ? __schedule+0x8d7/0x21d0
[  422.841685]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  422.846707]  ? __sched_text_start+0x8/0x8
[  422.850881]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.855465]  ? retint_kernel+0x2d/0x2d
[  422.859357]  ? trace_hardirqs_on_caller+0xc0/0x310
[  422.864295]  ? find_held_lock+0x36/0x1c0
[  422.868376]  ? lock_acquire+0x1ed/0x520
[  422.872367]  ? bpf_test_run+0x3cb/0x780
[  422.876347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.881888]  ? check_preemption_disabled+0x48/0x280
[  422.886916]  ? kasan_check_read+0x11/0x20
[  422.891067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.896351]  ? rcu_softirq_qs+0x20/0x20
[  422.900329]  ? preempt_schedule+0x4d/0x60
[  422.904688]  ? ___preempt_schedule+0x16/0x18
[  422.909126]  ? bpf_test_run+0x25d/0x780
[  422.913119]  ? netlink_diag_dump+0x2a0/0x2a0
[  422.917533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.923070]  ? bpf_test_init.isra.10+0x70/0x100
[  422.927769]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  422.932538]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.937383]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  422.942934]  ? fput+0x130/0x1a0
[  422.946258]  ? __bpf_prog_get+0x9b/0x290
[  422.950323]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.955169]  ? bpf_prog_test_run+0x130/0x1a0
[  422.959596]  ? __x64_sys_bpf+0x3d8/0x520
[  422.963664]  ? bpf_prog_get+0x20/0x20
[  422.967490]  ? do_syscall_64+0x1b9/0x820
[  422.971551]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  422.976918]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.981849]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.986697]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.991744]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  422.996764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.002301]  ? prepare_exit_to_usermode+0x291/0x3b0
[  423.007343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.012199]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  423.017586] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  423.017697] aoe: skb alloc failure
[  423.024696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.024731] Workqueue: events_power_efficient neigh_periodic_work
[  423.028345] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.037647] Call Trace:
[  423.043883] syz-executor1 cpuset=syz1 mems_allowed=0
[  423.054357]  <IRQ>
[  423.064241]  dump_stack+0x244/0x39d
[  423.067886]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.073114]  warn_alloc.cold.116+0xb7/0x1bd
[  423.077440]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.082310]  ? lock_downgrade+0x900/0x900
[  423.086472]  ? trace_hardirqs_off+0xb8/0x310
[  423.090894]  ? trace_hardirqs_off+0xb8/0x310
[  423.095314]  __alloc_pages_slowpath+0x26e8/0x2e10
[  423.100191]  ? warn_alloc+0x120/0x120
[  423.104017]  ? warn_alloc+0x120/0x120
[  423.107825]  ? warn_alloc+0x120/0x120
[  423.111634]  ? print_usage_bug+0xc0/0xc0
[  423.115701]  ? print_usage_bug+0xc0/0xc0
[  423.119764]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.124968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.130526]  ? should_fail+0x22d/0xd01
[  423.134424]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.139535]  ? __lock_acquire+0x62f/0x4c20
[  423.143780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.148888]  ? __lock_acquire+0x62f/0x4c20
[  423.153138]  ? should_fail+0x22d/0xd01
[  423.157038]  ? mark_held_locks+0x130/0x130
[  423.161297]  ? mark_held_locks+0x130/0x130
[  423.165619]  ? update_stack_state+0x1a5/0x690
[  423.170122]  ? zap_class+0x640/0x640
[  423.173839]  ? ret_from_fork+0x3a/0x50
[  423.177732]  ? __lock_acquire+0x62f/0x4c20
[  423.181974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.187517]  ? check_preemption_disabled+0x48/0x280
[  423.192550]  ? __lock_is_held+0xb5/0x140
[  423.196617]  __alloc_pages_nodemask+0xa80/0xde0
[  423.201299]  ? zap_class+0x640/0x640
[  423.205030]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  423.210064]  ? find_held_lock+0x36/0x1c0
[  423.214175]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.218860]  ? lock_downgrade+0x900/0x900
[  423.223019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.228563]  cache_grow_begin+0xa5/0x8c0
[  423.232635]  ? do_raw_spin_unlock+0xa7/0x330
[  423.237053]  fallback_alloc+0x204/0x2e0
[  423.241039]  ____cache_alloc_node+0x1c7/0x1e0
[  423.245542]  kmem_cache_alloc_node+0xe3/0x730
[  423.250039]  ? mark_held_locks+0xc7/0x130
[  423.254258]  __alloc_skb+0x119/0x770
[  423.258033]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.262441]  ? do_raw_spin_trylock+0x270/0x270
[  423.267050]  ? kmem_cache_alloc_trace+0x353/0x750
[  423.271900]  ? queue_work_on+0x12c/0x1e0
[  423.275970]  ? switchdev_port_obj_del+0xdc/0x440
[  423.280794]  ? switchdev_trans_item_enqueue+0x260/0x260
[  423.286184]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.291210]  __br_mdb_notify+0x4ff/0x15d0
[  423.295364]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.300479]  ? __br_mdb_add+0x7f0/0x7f0
[  423.304460]  ? mark_held_locks+0x130/0x130
[  423.308705]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.313814]  ? debug_object_assert_init+0x368/0x4b0
[  423.318835]  ? debug_object_init_on_stack+0x20/0x20
[  423.323869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.329420]  br_mdb_notify+0x310/0x410
[  423.333314]  ? br_mdb_dump+0x27b0/0x27b0
[  423.337394]  br_multicast_del_pg+0x3df/0x790
[  423.341813]  ? br_mdb_ip_get+0x940/0x940
[  423.345877]  ? rwlock_bug.part.2+0x90/0x90
[  423.350118]  ? __lock_is_held+0xb5/0x140
[  423.354195]  br_multicast_port_group_expired+0x189/0x1e0
[  423.359657]  call_timer_fn+0x272/0x920
[  423.363564]  ? br_multicast_del_pg+0x790/0x790
[  423.368149]  ? process_timeout+0x40/0x40
[  423.372239]  ? mark_held_locks+0xc7/0x130
[  423.376411]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.380916]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.385413]  ? br_multicast_del_pg+0x790/0x790
[  423.390002]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.394589]  ? trace_hardirqs_on+0xbd/0x310
[  423.398923]  ? kasan_check_read+0x11/0x20
[  423.403071]  ? __run_timers+0x7da/0xc70
[  423.407051]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.412167]  ? br_multicast_del_pg+0x790/0x790
[  423.416755]  ? br_multicast_del_pg+0x790/0x790
[  423.421360]  __run_timers+0x7e5/0xc70
[  423.425178]  ? timer_fixup_init+0x70/0x70
[  423.429332]  ? lock_downgrade+0x900/0x900
[  423.433481]  ? zap_class+0x640/0x640
[  423.437241]  ? print_usage_bug+0xc0/0xc0
[  423.441331]  ? trace_hardirqs_on+0x310/0x310
[  423.445754]  ? kvm_clock_read+0x18/0x30
[  423.449734]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.454753]  ? ktime_get+0x2c1/0x400
[  423.458482]  ? zap_class+0x640/0x640
[  423.462219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.467770]  ? check_preemption_disabled+0x48/0x280
[  423.472802]  ? __lock_is_held+0xb5/0x140
[  423.476868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.482423]  ? check_preemption_disabled+0x48/0x280
[  423.487446]  run_timer_softirq+0x52/0xb0
[  423.491512]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.496537]  __do_softirq+0x308/0xb7e
[  423.500354]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.505457]  ? irq_exit+0xbd/0x1c0
[  423.509001]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  423.514019]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.519910]  ? ret_from_intr+0xb/0x1e
[  423.523715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.528738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.533589]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.538606]  ? task_prio+0x50/0x50
[  423.542152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.547697]  ? check_preemption_disabled+0x48/0x280
[  423.552745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.557600]  ? neigh_periodic_work+0x6bd/0xc60
[  423.562193]  do_softirq_own_stack+0x2a/0x40
[  423.566517]  </IRQ>
[  423.568759]  do_softirq.part.14+0x126/0x160
[  423.573086]  __local_bh_enable_ip+0x21d/0x260
[  423.577587]  _raw_write_unlock_bh+0x30/0x40
[  423.581914]  neigh_periodic_work+0x6bd/0xc60
[  423.586336]  ? neigh_table_clear+0x390/0x390
[  423.590776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.596317]  ? check_preemption_disabled+0x48/0x280
[  423.601350]  ? __lock_is_held+0xb5/0x140
[  423.605439]  process_one_work+0xc90/0x1c40
[  423.609675]  ? mark_held_locks+0x130/0x130
[  423.613920]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  423.618618]  ? __switch_to_asm+0x40/0x70
[  423.622682]  ? __switch_to_asm+0x40/0x70
[  423.626744]  ? __switch_to_asm+0x34/0x70
[  423.630815]  ? __switch_to_asm+0x40/0x70
[  423.634875]  ? __switch_to_asm+0x34/0x70
[  423.638938]  ? __switch_to_asm+0x40/0x70
[  423.642999]  ? __switch_to_asm+0x34/0x70
[  423.647057]  ? __switch_to_asm+0x40/0x70
[  423.651128]  ? __schedule+0x8d7/0x21d0
[  423.655020]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.660048]  ? lock_downgrade+0x900/0x900
[  423.664208]  ? zap_class+0x640/0x640
[  423.667932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.672789]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.677394]  ? lock_acquire+0x1ed/0x520
[  423.681374]  ? worker_thread+0x3e0/0x1390
[  423.685538]  ? kasan_check_read+0x11/0x20
[  423.689688]  ? do_raw_spin_lock+0x14f/0x350
[  423.694009]  ? kasan_check_read+0x11/0x20
[  423.698160]  ? rwlock_bug.part.2+0x90/0x90
[  423.702396]  ? trace_hardirqs_on+0x310/0x310
[  423.706822]  worker_thread+0x17f/0x1390
[  423.710798]  ? __switch_to_asm+0x34/0x70
[  423.714882]  ? process_one_work+0x1c40/0x1c40
[  423.719390]  ? zap_class+0x640/0x640
[  423.723107]  ? find_held_lock+0x36/0x1c0
[  423.727211]  ? __kthread_parkme+0xce/0x1a0
[  423.731460]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.736573]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.741679]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.746270]  ? trace_hardirqs_on+0xbd/0x310
[  423.750596]  ? kasan_check_read+0x11/0x20
[  423.754747]  ? __kthread_parkme+0xce/0x1a0
[  423.759003]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.764118]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.769241]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.774352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.779899]  ? __kthread_parkme+0xfb/0x1a0
[  423.784145]  ? process_one_work+0x1c40/0x1c40
[  423.788643]  kthread+0x35a/0x440
[  423.792018]  ? kthread_stop+0x900/0x900
[  423.795996]  ret_from_fork+0x3a/0x50
[  423.799730] warn_alloc_show_mem: 1 callbacks suppressed
[  423.799744] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  423.799746] Mem-Info:
[  423.799778] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  423.799778]  active_file:16 inactive_file:3 isolated_file:0
[  423.799778]  unevictable:0 dirty:0 writeback:0 unstable:0
[  423.799778]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  423.799778]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  423.799778]  free:13690 free_pcp:879 free_cma:0
[  423.805128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.812501] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  423.814908] Call Trace:
[  423.847885] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  423.857242]  <IRQ>
[  423.885078] lowmem_reserve[]: 0 2818 6321 6321
[  423.887673]  dump_stack+0x244/0x39d
[  423.913753] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  423.915965]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.920514] lowmem_reserve[]: 0 0 3503 3503
[  423.924150]  warn_alloc.cold.116+0xb7/0x1bd
[  423.951714] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  423.956925]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.961215] lowmem_reserve[]: 0 0 0 0
[  423.965540]  ? lock_downgrade+0x900/0x900
[  423.994854] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  423.999742]  ? trace_hardirqs_off+0xb8/0x310
[  424.003506] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  424.007657]  ? trace_hardirqs_off+0xb8/0x310
[  424.021374] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  424.025800]  __alloc_pages_slowpath+0x26e8/0x2e10
[  424.041047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  424.045487]  ? warn_alloc+0x120/0x120
[  424.059403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  424.064250]  ? warn_alloc+0x120/0x120
[  424.073074] 4380 total pagecache pages
[  424.076874]  ? warn_alloc+0x120/0x120
[  424.085441] 0 pages in swap cache
[  424.090104]  ? print_usage_bug+0xc0/0xc0
[  424.093964] Swap cache stats: add 0, delete 0, find 0/0
[  424.093974] Free swap  = 0kB
[  424.097773]  ? print_usage_bug+0xc0/0xc0
[  424.101204] Total swap = 0kB
[  424.105267]  ? ktime_get+0x2c1/0x400
[  424.110612] 1965979 pages RAM
[  424.113640]  ? check_preemption_disabled+0x48/0x280
[  424.117673] 0 pages HighMem/MovableOnly
[  424.120705]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.124391] 342854 pages reserved
[  424.124401] 0 pages cma reserved
[  424.127508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.132669] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.136479]  ? should_fail+0x22d/0xd01
[  424.140958] kworker/0:2 cpuset=/ mems_allowed=0
[  424.144425]  ? kasan_check_read+0x11/0x20
[  424.176278]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.181388]  ? __lock_acquire+0x62f/0x4c20
[  424.185633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.190747]  ? should_fail+0x22d/0xd01
[  424.194639]  ? print_usage_bug+0xc0/0xc0
[  424.198715]  ? mark_held_locks+0x130/0x130
[  424.202979]  ? mark_held_locks+0x130/0x130
[  424.207223]  ? check_preemption_disabled+0x48/0x280
[  424.212255]  ? zap_class+0x640/0x640
[  424.216004]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  424.220804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.226352]  ? check_preemption_disabled+0x48/0x280
[  424.231383]  ? __lock_is_held+0xb5/0x140
[  424.235457]  __alloc_pages_nodemask+0xa80/0xde0
[  424.240135]  ? zap_class+0x640/0x640
[  424.243863]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.248898]  ? find_held_lock+0x36/0x1c0
[  424.252979]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.257655]  ? lock_downgrade+0x900/0x900
[  424.261813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.267363]  cache_grow_begin+0xa5/0x8c0
[  424.271428]  ? do_raw_spin_unlock+0xa7/0x330
[  424.275852]  fallback_alloc+0x204/0x2e0
[  424.279836]  ____cache_alloc_node+0x1c7/0x1e0
[  424.284341]  kmem_cache_alloc_node+0xe3/0x730
[  424.288841]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.293435]  __alloc_skb+0x119/0x770
[  424.297150]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  424.302521]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.306940]  ? vprintk_default+0x28/0x30
[  424.311013]  ? vprintk_func+0x85/0x181
[  424.314911]  ? printk+0xa7/0xcf
[  424.318192]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  424.322971]  new_skb+0x26/0x1c0
[  424.326259]  aoecmd_cfg+0x279/0x7f0
[  424.329890]  ? find_held_lock+0x36/0x1c0
[  424.333964]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  424.338299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.343853]  ? __lock_is_held+0xb5/0x140
[  424.347968]  discover_timer+0x50/0x60
[  424.351774]  call_timer_fn+0x272/0x920
[  424.355668]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  424.360513]  ? process_timeout+0x40/0x40
[  424.364584]  ? __run_timers+0x7da/0xc70
[  424.368564]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.373089]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.377585]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  424.382438]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.387029]  ? trace_hardirqs_on+0xbd/0x310
[  424.391356]  ? kasan_check_read+0x11/0x20
[  424.395522]  ? __run_timers+0x7da/0xc70
[  424.399499]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.404622]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  424.409468]  __run_timers+0x7e5/0xc70
[  424.413284]  ? timer_fixup_init+0x70/0x70
[  424.417440]  ? lock_acquire+0x1ed/0x520
[  424.421422]  ? zap_class+0x640/0x640
[  424.425148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.430695]  ? kasan_check_read+0x11/0x20
[  424.434854]  ? do_raw_spin_lock+0x14f/0x350
[  424.439188]  ? find_held_lock+0x36/0x1c0
[  424.443280]  ? zap_class+0x640/0x640
[  424.447004]  ? pvclock_read_flags+0x160/0x160
[  424.451507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.457054]  ? check_preemption_disabled+0x48/0x280
[  424.462088]  ? __lock_is_held+0xb5/0x140
[  424.466157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.471710]  ? check_preemption_disabled+0x48/0x280
[  424.476760]  run_timer_softirq+0x52/0xb0
[  424.480828]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.485850]  __do_softirq+0x308/0xb7e
[  424.489664]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.494160]  ? lock_downgrade+0x900/0x900
[  424.498313]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.503430]  ? pvclock_read_flags+0x160/0x160
[  424.507941]  ? lapic_next_event+0x5a/0x90
[  424.512099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.517648]  ? kvm_clock_read+0x18/0x30
[  424.521626]  ? kvm_sched_clock_read+0x9/0x20
[  424.526063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.531610]  ? check_preemption_disabled+0x48/0x280
[  424.536642]  irq_exit+0x17f/0x1c0
[  424.540107]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.544969]  ? smp_reschedule_interrupt+0x109/0x650
[  424.550002]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.555889]  ? interrupt_entry+0xb5/0xc0
[  424.559967]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.565001]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.570023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.574872]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.579891]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.584910]  ? task_prio+0x50/0x50
[  424.588460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.594011]  ? check_preemption_disabled+0x48/0x280
[  424.599035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.603890]  apic_timer_interrupt+0xf/0x20
[  424.608144]  </IRQ>
[  424.610398] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  424.615331] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  424.634239] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  424.641953] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  424.649232] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  424.656502] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  424.663777] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  424.671047] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  424.678369]  skb_clone+0x1bb/0x500
[  424.681919]  ? finish_task_switch+0x1b4/0x910
[  424.686438]  ? skb_split+0x11e0/0x11e0
[  424.690331]  ? preempt_notifier_register+0x200/0x200
[  424.695438]  ? __switch_to_asm+0x34/0x70
[  424.699507]  ? __switch_to_asm+0x34/0x70
[  424.703565]  ? __switch_to_asm+0x40/0x70
[  424.707624]  ? __switch_to_asm+0x34/0x70
[  424.711683]  ? __switch_to_asm+0x40/0x70
[  424.715747]  ? __switch_to_asm+0x34/0x70
[  424.719807]  ? __switch_to_asm+0x40/0x70
[  424.723866]  ? __switch_to_asm+0x34/0x70
[  424.727927]  ? __switch_to_asm+0x34/0x70
[  424.731997]  ? __switch_to_asm+0x40/0x70
[  424.736063]  ? __switch_to_asm+0x34/0x70
[  424.740131]  bpf_clone_redirect+0xb9/0x490
[  424.744373]  ? __schedule+0x8d7/0x21d0
[  424.748271]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  424.753294]  ? __sched_text_start+0x8/0x8
[  424.757451]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.762049]  ? retint_kernel+0x2d/0x2d
[  424.765946]  ? trace_hardirqs_on_caller+0xc0/0x310
[  424.770888]  ? find_held_lock+0x36/0x1c0
[  424.774972]  ? lock_acquire+0x1ed/0x520
[  424.778952]  ? bpf_test_run+0x3cb/0x780
[  424.782939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.788489]  ? check_preemption_disabled+0x48/0x280
[  424.793515]  ? kasan_check_read+0x11/0x20
[  424.797670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.802970]  ? rcu_softirq_qs+0x20/0x20
[  424.806974]  ? preempt_schedule+0x4d/0x60
[  424.811128]  ? ___preempt_schedule+0x16/0x18
[  424.815554]  ? bpf_test_run+0x25d/0x780
[  424.819561]  ? netlink_diag_dump+0x2a0/0x2a0
[  424.823983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.829523]  ? bpf_test_init.isra.10+0x70/0x100
[  424.834203]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  424.839005]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  424.843850]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  424.849393]  ? fput+0x130/0x1a0
[  424.852676]  ? __bpf_prog_get+0x9b/0x290
[  424.856750]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  424.861597]  ? bpf_prog_test_run+0x130/0x1a0
[  424.866033]  ? __x64_sys_bpf+0x3d8/0x520
[  424.870096]  ? bpf_prog_get+0x20/0x20
[  424.873922]  ? do_syscall_64+0x1b9/0x820
[  424.877990]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  424.883361]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.888293]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.893143]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.898163]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  424.903408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.908949]  ? prepare_exit_to_usermode+0x291/0x3b0
[  424.914057]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.918916]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  424.924302] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  424.924388] aoe: skb alloc failure
[  424.931411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.931435] Workqueue: events_power_efficient neigh_periodic_work
[  424.931442] Call Trace:
[  424.931453]  <IRQ>
[  424.935021] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.944350]  dump_stack+0x244/0x39d
[  424.950560] syz-executor1 cpuset=syz1 mems_allowed=0
[  424.953147]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.979645]  warn_alloc.cold.116+0xb7/0x1bd
[  424.983985]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.988843]  ? lock_downgrade+0x900/0x900
[  424.993005]  ? trace_hardirqs_off+0xb8/0x310
[  424.997424]  ? trace_hardirqs_off+0xb8/0x310
[  425.001843]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.006721]  ? warn_alloc+0x120/0x120
[  425.010529]  ? warn_alloc+0x120/0x120
[  425.014338]  ? warn_alloc+0x120/0x120
[  425.018148]  ? print_usage_bug+0xc0/0xc0
[  425.022217]  ? print_usage_bug+0xc0/0xc0
[  425.026302]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.031526]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.037072]  ? should_fail+0x22d/0xd01
[  425.040980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.046089]  ? __lock_acquire+0x62f/0x4c20
[  425.050334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.055439]  ? __lock_acquire+0x62f/0x4c20
[  425.060369]  ? should_fail+0x22d/0xd01
[  425.064275]  ? mark_held_locks+0x130/0x130
[  425.068517]  ? mark_held_locks+0x130/0x130
[  425.072755]  ? update_stack_state+0x1a5/0x690
[  425.077263]  ? zap_class+0x640/0x640
[  425.080985]  ? ret_from_fork+0x3a/0x50
[  425.084880]  ? __lock_acquire+0x62f/0x4c20
[  425.089124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.094664]  ? check_preemption_disabled+0x48/0x280
[  425.099697]  ? __lock_is_held+0xb5/0x140
[  425.103784]  __alloc_pages_nodemask+0xa80/0xde0
[  425.108460]  ? zap_class+0x640/0x640
[  425.112184]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.117216]  ? find_held_lock+0x36/0x1c0
[  425.121303]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.125987]  ? lock_downgrade+0x900/0x900
[  425.130147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.135692]  cache_grow_begin+0xa5/0x8c0
[  425.139758]  ? do_raw_spin_unlock+0xa7/0x330
[  425.144177]  fallback_alloc+0x204/0x2e0
[  425.148161]  ____cache_alloc_node+0x1c7/0x1e0
[  425.152668]  kmem_cache_alloc_node+0xe3/0x730
[  425.157170]  ? mark_held_locks+0xc7/0x130
[  425.161335]  __alloc_skb+0x119/0x770
[  425.165062]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.169471]  ? do_raw_spin_trylock+0x270/0x270
[  425.174058]  ? kmem_cache_alloc_trace+0x353/0x750
[  425.178907]  ? queue_work_on+0x12c/0x1e0
[  425.182989]  ? switchdev_port_obj_del+0xdc/0x440
[  425.187756]  ? switchdev_trans_item_enqueue+0x260/0x260
[  425.193129]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  425.198169]  __br_mdb_notify+0x4ff/0x15d0
[  425.202349]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.207476]  ? __br_mdb_add+0x7f0/0x7f0
[  425.211456]  ? mark_held_locks+0x130/0x130
[  425.215711]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.220837]  ? debug_object_assert_init+0x368/0x4b0
[  425.225878]  ? debug_object_init_on_stack+0x20/0x20
[  425.230903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.236455]  br_mdb_notify+0x310/0x410
[  425.240349]  ? br_mdb_dump+0x27b0/0x27b0
[  425.244430]  br_multicast_del_pg+0x3df/0x790
[  425.248853]  ? br_mdb_ip_get+0x940/0x940
[  425.252920]  ? rwlock_bug.part.2+0x90/0x90
[  425.257167]  ? __lock_is_held+0xb5/0x140
[  425.261246]  br_multicast_port_group_expired+0x189/0x1e0
[  425.266720]  call_timer_fn+0x272/0x920
[  425.270612]  ? br_multicast_del_pg+0x790/0x790
[  425.275202]  ? process_timeout+0x40/0x40
[  425.279282]  ? mark_held_locks+0xc7/0x130
[  425.283435]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.287934]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.292440]  ? br_multicast_del_pg+0x790/0x790
[  425.297031]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.301619]  ? trace_hardirqs_on+0xbd/0x310
[  425.305946]  ? kasan_check_read+0x11/0x20
[  425.310107]  ? __run_timers+0x7da/0xc70
[  425.314085]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.319196]  ? br_multicast_del_pg+0x790/0x790
[  425.323790]  ? br_multicast_del_pg+0x790/0x790
[  425.328374]  __run_timers+0x7e5/0xc70
[  425.332188]  ? timer_fixup_init+0x70/0x70
[  425.336344]  ? lock_downgrade+0x900/0x900
[  425.340495]  ? zap_class+0x640/0x640
[  425.344220]  ? print_usage_bug+0xc0/0xc0
[  425.348292]  ? trace_hardirqs_on+0x310/0x310
[  425.352717]  ? kvm_clock_read+0x18/0x30
[  425.356696]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  425.361714]  ? ktime_get+0x2c1/0x400
[  425.365437]  ? zap_class+0x640/0x640
[  425.369158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.374701]  ? check_preemption_disabled+0x48/0x280
[  425.379729]  ? __lock_is_held+0xb5/0x140
[  425.383797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.389353]  ? check_preemption_disabled+0x48/0x280
[  425.394380]  run_timer_softirq+0x52/0xb0
[  425.398445]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.403469]  __do_softirq+0x308/0xb7e
[  425.407284]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.412392]  ? irq_exit+0xbd/0x1c0
[  425.415940]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  425.420972]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.426859]  ? ret_from_intr+0xb/0x1e
[  425.430670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.435692]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.440538]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.445557]  ? task_prio+0x50/0x50
[  425.449102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.454644]  ? check_preemption_disabled+0x48/0x280
[  425.459669]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.464522]  ? neigh_periodic_work+0x6bd/0xc60
[  425.469111]  do_softirq_own_stack+0x2a/0x40
[  425.473428]  </IRQ>
[  425.475673]  do_softirq.part.14+0x126/0x160
[  425.480000]  __local_bh_enable_ip+0x21d/0x260
[  425.484503]  _raw_write_unlock_bh+0x30/0x40
[  425.488829]  neigh_periodic_work+0x6bd/0xc60
[  425.493258]  ? neigh_table_clear+0x390/0x390
[  425.497676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.503219]  ? check_preemption_disabled+0x48/0x280
[  425.508261]  ? __lock_is_held+0xb5/0x140
[  425.512342]  process_one_work+0xc90/0x1c40
[  425.516581]  ? mark_held_locks+0x130/0x130
[  425.520830]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  425.525498]  ? __switch_to_asm+0x40/0x70
[  425.529559]  ? __switch_to_asm+0x40/0x70
[  425.533617]  ? __switch_to_asm+0x34/0x70
[  425.537675]  ? __switch_to_asm+0x40/0x70
[  425.541738]  ? __switch_to_asm+0x34/0x70
[  425.545800]  ? __switch_to_asm+0x40/0x70
[  425.549861]  ? __switch_to_asm+0x34/0x70
[  425.553919]  ? __switch_to_asm+0x40/0x70
[  425.557996]  ? __schedule+0x8d7/0x21d0
[  425.561887]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.566920]  ? lock_downgrade+0x900/0x900
[  425.571094]  ? zap_class+0x640/0x640
[  425.574812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.579669]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.584273]  ? lock_acquire+0x1ed/0x520
[  425.588254]  ? worker_thread+0x3e0/0x1390
[  425.592418]  ? kasan_check_read+0x11/0x20
[  425.596569]  ? do_raw_spin_lock+0x14f/0x350
[  425.600896]  ? kasan_check_read+0x11/0x20
[  425.605047]  ? rwlock_bug.part.2+0x90/0x90
[  425.609288]  ? trace_hardirqs_on+0x310/0x310
[  425.613733]  worker_thread+0x17f/0x1390
[  425.617710]  ? __switch_to_asm+0x34/0x70
[  425.621816]  ? process_one_work+0x1c40/0x1c40
[  425.626328]  ? zap_class+0x640/0x640
[  425.630049]  ? find_held_lock+0x36/0x1c0
[  425.634147]  ? __kthread_parkme+0xce/0x1a0
[  425.638398]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.643502]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.648609]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.653198]  ? trace_hardirqs_on+0xbd/0x310
[  425.657530]  ? kasan_check_read+0x11/0x20
[  425.661686]  ? __kthread_parkme+0xce/0x1a0
[  425.665924]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.671037]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.676155]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.681264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.686808]  ? __kthread_parkme+0xfb/0x1a0
[  425.691053]  ? process_one_work+0x1c40/0x1c40
[  425.695553]  kthread+0x35a/0x440
[  425.698930]  ? kthread_stop+0x900/0x900
[  425.702917]  ret_from_fork+0x3a/0x50
[  425.706648] warn_alloc_show_mem: 1 callbacks suppressed
[  425.706661] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  425.706663] Mem-Info:
[  425.706694] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  425.706694]  active_file:16 inactive_file:3 isolated_file:0
[  425.706694]  unevictable:0 dirty:0 writeback:0 unstable:0
[  425.706694]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  425.706694]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  425.706694]  free:13690 free_pcp:879 free_cma:0
[  425.712057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.719423] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  425.721827] Call Trace:
[  425.754803] 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
[  425.764164]  <IRQ>
[  425.792004] lowmem_reserve[]: 0 2818 6321 6321
[  425.794602]  dump_stack+0x244/0x39d
[  425.820694] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  425.822866]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.827421] lowmem_reserve[]: 0 0 3503 3503
[  425.831061]  warn_alloc.cold.116+0xb7/0x1bd
[  425.858720] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  425.863927]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.868218] lowmem_reserve[]: 0 0 0 0
[  425.872549]  ? lock_downgrade+0x900/0x900
[  425.902017] 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
[  425.906882]  ? trace_hardirqs_off+0xb8/0x310
[  425.910652] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  425.914805]  ? trace_hardirqs_off+0xb8/0x310
[  425.928308] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  425.932740]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.947996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  425.952426]  ? warn_alloc+0x120/0x120
[  425.966358] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  425.971198]  ? warn_alloc+0x120/0x120
[  425.980010] 4380 total pagecache pages
[  425.983813]  ? __lock_acquire+0x62f/0x4c20
[  425.992371] 0 pages in swap cache
[  425.996162]  ? warn_alloc+0x120/0x120
[  426.000046] Swap cache stats: add 0, delete 0, find 0/0
[  426.004288]  ? print_usage_bug+0xc0/0xc0
[  426.007721] Free swap  = 0kB
[  426.012055]  ? print_usage_bug+0xc0/0xc0
[  426.017408] Total swap = 0kB
[  426.021467]  ? mark_held_locks+0x130/0x130
[  426.024468] 1965979 pages RAM
[  426.028530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.031531] 0 pages HighMem/MovableOnly
[  426.035767]  ? should_fail+0x22d/0xd01
[  426.038854] 342854 pages reserved
[  426.044387]  ? zap_class+0x640/0x640
[  426.048344] 0 pages cma reserved
[  426.052317]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.055922] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.059492]  ? __lock_acquire+0x62f/0x4c20
[  426.062839] kworker/0:2 cpuset=/ mems_allowed=0
[  426.067950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.092289]  ? should_fail+0x22d/0xd01
[  426.096194]  ? mark_held_locks+0x130/0x130
[  426.100458]  ? mark_held_locks+0x130/0x130
[  426.104703]  ? lock_downgrade+0x900/0x900
[  426.108861]  ? zap_class+0x640/0x640
[  426.112580]  ? zap_class+0x640/0x640
[  426.116319]  ? zap_class+0x640/0x640
[  426.120036]  ? do_raw_spin_unlock+0xa7/0x330
[  426.124451]  ? trace_hardirqs_on+0x310/0x310
[  426.128863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.134406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.139954]  ? check_preemption_disabled+0x48/0x280
[  426.144998]  ? __lock_is_held+0xb5/0x140
[  426.149073]  __alloc_pages_nodemask+0xa80/0xde0
[  426.153756]  ? zap_class+0x640/0x640
[  426.157480]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.162516]  ? find_held_lock+0x36/0x1c0
[  426.166591]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.171264]  ? lock_downgrade+0x900/0x900
[  426.175426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.180983]  cache_grow_begin+0xa5/0x8c0
[  426.185059]  ? do_raw_spin_unlock+0xa7/0x330
[  426.189482]  fallback_alloc+0x204/0x2e0
[  426.193466]  ____cache_alloc_node+0x1c7/0x1e0
[  426.197978]  kmem_cache_alloc_node+0xe3/0x730
[  426.202481]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.207076]  __alloc_skb+0x119/0x770
[  426.210796]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  426.216167]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.220590]  ? vprintk_default+0x28/0x30
[  426.224671]  ? vprintk_func+0x85/0x181
[  426.228565]  ? printk+0xa7/0xcf
[  426.231849]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  426.236624]  new_skb+0x26/0x1c0
[  426.239926]  aoecmd_cfg+0x279/0x7f0
[  426.243566]  ? find_held_lock+0x36/0x1c0
[  426.247637]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  426.251978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.257534]  ? __lock_is_held+0xb5/0x140
[  426.261626]  discover_timer+0x50/0x60
[  426.265440]  call_timer_fn+0x272/0x920
[  426.269336]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  426.274180]  ? process_timeout+0x40/0x40
[  426.278254]  ? __run_timers+0x7da/0xc70
[  426.282235]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.286741]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.291240]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  426.296091]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.300679]  ? trace_hardirqs_on+0xbd/0x310
[  426.305004]  ? kasan_check_read+0x11/0x20
[  426.309152]  ? __run_timers+0x7da/0xc70
[  426.313139]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.318257]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  426.323111]  __run_timers+0x7e5/0xc70
[  426.326928]  ? timer_fixup_init+0x70/0x70
[  426.331097]  ? lock_acquire+0x1ed/0x520
[  426.335075]  ? zap_class+0x640/0x640
[  426.338792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.344343]  ? kasan_check_read+0x11/0x20
[  426.348493]  ? do_raw_spin_lock+0x14f/0x350
[  426.352829]  ? find_held_lock+0x36/0x1c0
[  426.356906]  ? zap_class+0x640/0x640
[  426.360646]  ? pvclock_read_flags+0x160/0x160
[  426.365153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.370697]  ? check_preemption_disabled+0x48/0x280
[  426.375738]  ? __lock_is_held+0xb5/0x140
[  426.379804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.385349]  ? check_preemption_disabled+0x48/0x280
[  426.390374]  run_timer_softirq+0x52/0xb0
[  426.394438]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.399460]  __do_softirq+0x308/0xb7e
[  426.403271]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  426.407767]  ? lock_downgrade+0x900/0x900
[  426.411920]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.417034]  ? pvclock_read_flags+0x160/0x160
[  426.421534]  ? lapic_next_event+0x5a/0x90
[  426.425689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.431240]  ? kvm_clock_read+0x18/0x30
[  426.435216]  ? kvm_sched_clock_read+0x9/0x20
[  426.439634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.445176]  ? check_preemption_disabled+0x48/0x280
[  426.450208]  irq_exit+0x17f/0x1c0
[  426.453668]  smp_apic_timer_interrupt+0x1cb/0x760
[  426.458514]  ? smp_reschedule_interrupt+0x109/0x650
[  426.463534]  ? smp_call_function_single_interrupt+0x650/0x650
[  426.469425]  ? interrupt_entry+0xb5/0xc0
[  426.473490]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.478506]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.483525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.488371]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.493387]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.498406]  ? task_prio+0x50/0x50
[  426.501950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.507500]  ? check_preemption_disabled+0x48/0x280
[  426.512527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.517383]  apic_timer_interrupt+0xf/0x20
[  426.521615]  </IRQ>
[  426.523858] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  426.528796] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  426.547698] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  426.555411] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  426.562678] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  426.569950] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  426.577226] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  426.584497] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  426.591816]  skb_clone+0x1bb/0x500
[  426.595362]  ? finish_task_switch+0x1b4/0x910
[  426.599865]  ? skb_split+0x11e0/0x11e0
[  426.603759]  ? preempt_notifier_register+0x200/0x200
[  426.608867]  ? __switch_to_asm+0x34/0x70
[  426.612929]  ? __switch_to_asm+0x34/0x70
[  426.616995]  ? __switch_to_asm+0x40/0x70
[  426.621056]  ? __switch_to_asm+0x34/0x70
[  426.625115]  ? __switch_to_asm+0x40/0x70
[  426.629176]  ? __switch_to_asm+0x34/0x70
[  426.633240]  ? __switch_to_asm+0x40/0x70
[  426.637300]  ? __switch_to_asm+0x34/0x70
[  426.641366]  ? __switch_to_asm+0x34/0x70
[  426.645427]  ? __switch_to_asm+0x40/0x70
[  426.649486]  ? __switch_to_asm+0x34/0x70
[  426.653559]  bpf_clone_redirect+0xb9/0x490
[  426.657802]  ? __schedule+0x8d7/0x21d0
[  426.661699]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  426.666731]  ? __sched_text_start+0x8/0x8
[  426.670887]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.675469]  ? retint_kernel+0x2d/0x2d
[  426.679359]  ? trace_hardirqs_on_caller+0xc0/0x310
[  426.684296]  ? find_held_lock+0x36/0x1c0
[  426.688369]  ? lock_acquire+0x1ed/0x520
[  426.692347]  ? bpf_test_run+0x3cb/0x780
[  426.696329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.701873]  ? check_preemption_disabled+0x48/0x280
[  426.706903]  ? kasan_check_read+0x11/0x20
[  426.711058]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.716341]  ? rcu_softirq_qs+0x20/0x20
[  426.720324]  ? preempt_schedule+0x4d/0x60
[  426.724482]  ? ___preempt_schedule+0x16/0x18
[  426.728904]  ? bpf_test_run+0x25d/0x780
[  426.732893]  ? netlink_diag_dump+0x2a0/0x2a0
[  426.737306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.742853]  ? bpf_test_init.isra.10+0x70/0x100
[  426.747533]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  426.752304]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  426.757164]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  426.762705]  ? fput+0x130/0x1a0
[  426.765996]  ? __bpf_prog_get+0x9b/0x290
[  426.770068]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  426.774920]  ? bpf_prog_test_run+0x130/0x1a0
[  426.779339]  ? __x64_sys_bpf+0x3d8/0x520
[  426.783403]  ? bpf_prog_get+0x20/0x20
[  426.787225]  ? do_syscall_64+0x1b9/0x820
[  426.791287]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  426.796658]  ? syscall_return_slowpath+0x5e0/0x5e0
[  426.801591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.806448]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.811470]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  426.816492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.822037]  ? prepare_exit_to_usermode+0x291/0x3b0
[  426.827063]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.831917]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  426.837304] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  426.837391] aoe: skb alloc failure
[  426.844420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.844444] Workqueue: events_power_efficient neigh_periodic_work
[  426.844451] Call Trace:
[  426.844459]  <IRQ>
[  426.844479]  dump_stack+0x244/0x39d
[  426.848069] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.857365]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.863575] syz-executor1 cpuset=syz1 mems_allowed=0
[  426.866173]  warn_alloc.cold.116+0xb7/0x1bd
[  426.896980]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.902306]  ? lock_downgrade+0x900/0x900
[  426.906472]  ? trace_hardirqs_off+0xb8/0x310
[  426.910891]  ? trace_hardirqs_off+0xb8/0x310
[  426.915317]  __alloc_pages_slowpath+0x26e8/0x2e10
[  426.920192]  ? warn_alloc+0x120/0x120
[  426.924007]  ? warn_alloc+0x120/0x120
[  426.927814]  ? warn_alloc+0x120/0x120
[  426.931622]  ? print_usage_bug+0xc0/0xc0
[  426.935694]  ? print_usage_bug+0xc0/0xc0
[  426.939757]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  426.944960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.950503]  ? should_fail+0x22d/0xd01
[  426.954401]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.959512]  ? __lock_acquire+0x62f/0x4c20
[  426.963778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.968885]  ? __lock_acquire+0x62f/0x4c20
[  426.973122]  ? should_fail+0x22d/0xd01
[  426.977024]  ? mark_held_locks+0x130/0x130
[  426.981270]  ? mark_held_locks+0x130/0x130
[  426.985511]  ? update_stack_state+0x1a5/0x690
[  426.990021]  ? zap_class+0x640/0x640
[  426.993737]  ? ret_from_fork+0x3a/0x50
[  426.997630]  ? __lock_acquire+0x62f/0x4c20
[  427.001873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.007427]  ? check_preemption_disabled+0x48/0x280
[  427.012461]  ? __lock_is_held+0xb5/0x140
[  427.016537]  __alloc_pages_nodemask+0xa80/0xde0
[  427.021218]  ? zap_class+0x640/0x640
[  427.024954]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.029996]  ? find_held_lock+0x36/0x1c0
[  427.034082]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.038764]  ? lock_downgrade+0x900/0x900
[  427.042928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.048478]  cache_grow_begin+0xa5/0x8c0
[  427.052551]  ? do_raw_spin_unlock+0xa7/0x330
[  427.056975]  fallback_alloc+0x204/0x2e0
[  427.060968]  ____cache_alloc_node+0x1c7/0x1e0
[  427.065479]  kmem_cache_alloc_node+0xe3/0x730
[  427.069991]  ? mark_held_locks+0xc7/0x130
[  427.074162]  __alloc_skb+0x119/0x770
[  427.077887]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.082309]  ? do_raw_spin_trylock+0x270/0x270
[  427.086908]  ? kmem_cache_alloc_trace+0x353/0x750
[  427.091761]  ? queue_work_on+0x12c/0x1e0
[  427.095837]  ? switchdev_port_obj_del+0xdc/0x440
[  427.100600]  ? switchdev_trans_item_enqueue+0x260/0x260
[  427.105976]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  427.111009]  __br_mdb_notify+0x4ff/0x15d0
[  427.115165]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.120371]  ? __br_mdb_add+0x7f0/0x7f0
[  427.124356]  ? mark_held_locks+0x130/0x130
[  427.128604]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.133717]  ? debug_object_assert_init+0x368/0x4b0
[  427.138757]  ? debug_object_init_on_stack+0x20/0x20
[  427.143792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.149352]  br_mdb_notify+0x310/0x410
[  427.153257]  ? br_mdb_dump+0x27b0/0x27b0
[  427.157341]  br_multicast_del_pg+0x3df/0x790
[  427.161762]  ? br_mdb_ip_get+0x940/0x940
[  427.165835]  ? rwlock_bug.part.2+0x90/0x90
[  427.170082]  ? __lock_is_held+0xb5/0x140
[  427.174163]  br_multicast_port_group_expired+0x189/0x1e0
[  427.179622]  call_timer_fn+0x272/0x920
[  427.183512]  ? br_multicast_del_pg+0x790/0x790
[  427.188098]  ? process_timeout+0x40/0x40
[  427.192174]  ? mark_held_locks+0xc7/0x130
[  427.196333]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.200836]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.205350]  ? br_multicast_del_pg+0x790/0x790
[  427.209939]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.214533]  ? trace_hardirqs_on+0xbd/0x310
[  427.218859]  ? kasan_check_read+0x11/0x20
[  427.223015]  ? __run_timers+0x7da/0xc70
[  427.226994]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.232110]  ? br_multicast_del_pg+0x790/0x790
[  427.236701]  ? br_multicast_del_pg+0x790/0x790
[  427.241288]  __run_timers+0x7e5/0xc70
[  427.245109]  ? timer_fixup_init+0x70/0x70
[  427.249264]  ? lock_downgrade+0x900/0x900
[  427.253414]  ? zap_class+0x640/0x640
[  427.257149]  ? print_usage_bug+0xc0/0xc0
[  427.261245]  ? trace_hardirqs_on+0x310/0x310
[  427.265667]  ? kvm_clock_read+0x18/0x30
[  427.269646]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  427.274669]  ? ktime_get+0x2c1/0x400
[  427.278391]  ? zap_class+0x640/0x640
[  427.282115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.287663]  ? check_preemption_disabled+0x48/0x280
[  427.292695]  ? __lock_is_held+0xb5/0x140
[  427.296768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.302312]  ? check_preemption_disabled+0x48/0x280
[  427.307344]  run_timer_softirq+0x52/0xb0
[  427.311411]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.316436]  __do_softirq+0x308/0xb7e
[  427.320284]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.325392]  ? irq_exit+0xbd/0x1c0
[  427.328942]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  427.333964]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.339854]  ? ret_from_intr+0xb/0x1e
[  427.343670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.348707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.353566]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.358593]  ? task_prio+0x50/0x50
[  427.362140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.367685]  ? check_preemption_disabled+0x48/0x280
[  427.372711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.377564]  ? neigh_periodic_work+0x6bd/0xc60
[  427.382152]  do_softirq_own_stack+0x2a/0x40
[  427.386471]  </IRQ>
[  427.388709]  do_softirq.part.14+0x126/0x160
[  427.393035]  __local_bh_enable_ip+0x21d/0x260
[  427.397532]  _raw_write_unlock_bh+0x30/0x40
[  427.401862]  neigh_periodic_work+0x6bd/0xc60
[  427.406289]  ? neigh_table_clear+0x390/0x390
[  427.410705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.416251]  ? check_preemption_disabled+0x48/0x280
[  427.421285]  ? __lock_is_held+0xb5/0x140
[  427.425365]  process_one_work+0xc90/0x1c40
[  427.429608]  ? mark_held_locks+0x130/0x130
[  427.433859]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  427.438533]  ? __switch_to_asm+0x40/0x70
[  427.442597]  ? __switch_to_asm+0x40/0x70
[  427.446657]  ? __switch_to_asm+0x34/0x70
[  427.450715]  ? __switch_to_asm+0x40/0x70
[  427.454777]  ? __switch_to_asm+0x34/0x70
[  427.458839]  ? __switch_to_asm+0x40/0x70
[  427.462898]  ? __switch_to_asm+0x34/0x70
[  427.466955]  ? __switch_to_asm+0x40/0x70
[  427.471037]  ? __schedule+0x8d7/0x21d0
[  427.474928]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.479958]  ? lock_downgrade+0x900/0x900
[  427.484119]  ? zap_class+0x640/0x640
[  427.487839]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.492700]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.497304]  ? lock_acquire+0x1ed/0x520
[  427.501282]  ? worker_thread+0x3e0/0x1390
[  427.505443]  ? kasan_check_read+0x11/0x20
[  427.509597]  ? do_raw_spin_lock+0x14f/0x350
[  427.513924]  ? kasan_check_read+0x11/0x20
[  427.518082]  ? rwlock_bug.part.2+0x90/0x90
[  427.522322]  ? trace_hardirqs_on+0x310/0x310
[  427.526753]  worker_thread+0x17f/0x1390
[  427.530736]  ? __switch_to_asm+0x34/0x70
[  427.534817]  ? process_one_work+0x1c40/0x1c40
[  427.539328]  ? zap_class+0x640/0x640
[  427.543049]  ? find_held_lock+0x36/0x1c0
[  427.547142]  ? __kthread_parkme+0xce/0x1a0
[  427.551389]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.556503]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.561621]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.566214]  ? trace_hardirqs_on+0xbd/0x310
[  427.570550]  ? kasan_check_read+0x11/0x20
[  427.574702]  ? __kthread_parkme+0xce/0x1a0
[  427.578942]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.584049]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.589170]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.594276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.599820]  ? __kthread_parkme+0xfb/0x1a0
[  427.604061]  ? process_one_work+0x1c40/0x1c40
[  427.608561]  kthread+0x35a/0x440
[  427.611932]  ? kthread_stop+0x900/0x900
[  427.615915]  ret_from_fork+0x3a/0x50
[  427.619647] warn_alloc_show_mem: 1 callbacks suppressed
[  427.619659] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  427.619661] Mem-Info:
[  427.619692] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  427.619692]  active_file:16 inactive_file:3 isolated_file:0
[  427.619692]  unevictable:0 dirty:0 writeback:0 unstable:0
[  427.619692]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  427.619692]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  427.619692]  free:13690 free_pcp:879 free_cma:0
[  427.625045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.632412] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  427.634814] Call Trace:
[  427.667782] 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
[  427.677139]  <IRQ>
[  427.704981] lowmem_reserve[]: 0 2818 6321 6321
[  427.707584]  dump_stack+0x244/0x39d
[  427.733673] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  427.735837]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.740390] lowmem_reserve[]: 0 0 3503 3503
[  427.744030]  warn_alloc.cold.116+0xb7/0x1bd
[  427.771604] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  427.776814]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.781108] lowmem_reserve[]: 0 0 0 0
[  427.785436]  ? lock_downgrade+0x900/0x900
[  427.814756] 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
[  427.819620]  ? trace_hardirqs_off+0xb8/0x310
[  427.823390] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  427.827542]  ? trace_hardirqs_off+0xb8/0x310
[  427.841053] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  427.845501]  __alloc_pages_slowpath+0x26e8/0x2e10
[  427.860741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  427.860757] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  427.865206]  ? warn_alloc+0x120/0x120
[  427.879112] 4380 total pagecache pages
[  427.883967]  ? warn_alloc+0x120/0x120
[  427.892784] 0 pages in swap cache
[  427.901356]  ? warn_alloc+0x120/0x120
[  427.905133] Swap cache stats: add 0, delete 0, find 0/0
[  427.905143] Free swap  = 0kB
[  427.909056]  ? print_usage_bug+0xc0/0xc0
[  427.912837] Total swap = 0kB
[  427.916293]  ? print_usage_bug+0xc0/0xc0
[  427.920073] 1965979 pages RAM
[  427.925439]  ? ktime_get+0x2c1/0x400
[  427.928436] 0 pages HighMem/MovableOnly
[  427.932498]  ? check_preemption_disabled+0x48/0x280
[  427.935520] 342854 pages reserved
[  427.939583]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  427.942670] 0 pages cma reserved
[  427.946387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.950531] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.955355]  ? should_fail+0x22d/0xd01
[  427.958789] kworker/0:2 cpuset=/ mems_allowed=0
[  427.963288]  ? kasan_check_read+0x11/0x20
[  427.995145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.000261]  ? __lock_acquire+0x62f/0x4c20
[  428.004502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.010316]  ? should_fail+0x22d/0xd01
[  428.014210]  ? print_usage_bug+0xc0/0xc0
[  428.018284]  ? mark_held_locks+0x130/0x130
[  428.022526]  ? mark_held_locks+0x130/0x130
[  428.026767]  ? check_preemption_disabled+0x48/0x280
[  428.031798]  ? zap_class+0x640/0x640
[  428.035525]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  428.040289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.045831]  ? check_preemption_disabled+0x48/0x280
[  428.050862]  ? __lock_is_held+0xb5/0x140
[  428.054934]  __alloc_pages_nodemask+0xa80/0xde0
[  428.059613]  ? zap_class+0x640/0x640
[  428.063337]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.068368]  ? find_held_lock+0x36/0x1c0
[  428.072446]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.077118]  ? lock_downgrade+0x900/0x900
[  428.081279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.086832]  cache_grow_begin+0xa5/0x8c0
[  428.090898]  ? do_raw_spin_unlock+0xa7/0x330
[  428.095323]  fallback_alloc+0x204/0x2e0
[  428.099311]  ____cache_alloc_node+0x1c7/0x1e0
[  428.103819]  kmem_cache_alloc_node+0xe3/0x730
[  428.108321]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.112933]  __alloc_skb+0x119/0x770
[  428.116674]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  428.122048]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.126467]  ? vprintk_default+0x28/0x30
[  428.130531]  ? vprintk_func+0x85/0x181
[  428.134422]  ? printk+0xa7/0xcf
[  428.137707]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  428.142481]  new_skb+0x26/0x1c0
[  428.145766]  aoecmd_cfg+0x279/0x7f0
[  428.149400]  ? find_held_lock+0x36/0x1c0
[  428.153468]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  428.157805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.163357]  ? __lock_is_held+0xb5/0x140
[  428.167434]  discover_timer+0x50/0x60
[  428.171235]  call_timer_fn+0x272/0x920
[  428.175125]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  428.179979]  ? process_timeout+0x40/0x40
[  428.184058]  ? __run_timers+0x7da/0xc70
[  428.188042]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.192539]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.197039]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  428.201892]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.206483]  ? trace_hardirqs_on+0xbd/0x310
[  428.210809]  ? kasan_check_read+0x11/0x20
[  428.214969]  ? __run_timers+0x7da/0xc70
[  428.218948]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.224078]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  428.228932]  __run_timers+0x7e5/0xc70
[  428.232759]  ? timer_fixup_init+0x70/0x70
[  428.236917]  ? lock_acquire+0x1ed/0x520
[  428.240894]  ? zap_class+0x640/0x640
[  428.244615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.250174]  ? kasan_check_read+0x11/0x20
[  428.254322]  ? do_raw_spin_lock+0x14f/0x350
[  428.258656]  ? find_held_lock+0x36/0x1c0
[  428.262736]  ? zap_class+0x640/0x640
[  428.266457]  ? pvclock_read_flags+0x160/0x160
[  428.270966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.276515]  ? check_preemption_disabled+0x48/0x280
[  428.281549]  ? __lock_is_held+0xb5/0x140
[  428.285616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.291160]  ? check_preemption_disabled+0x48/0x280
[  428.296190]  run_timer_softirq+0x52/0xb0
[  428.300257]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.305279]  __do_softirq+0x308/0xb7e
[  428.309092]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.313591]  ? lock_downgrade+0x900/0x900
[  428.317757]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.322873]  ? pvclock_read_flags+0x160/0x160
[  428.327373]  ? lapic_next_event+0x5a/0x90
[  428.331534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.337081]  ? kvm_clock_read+0x18/0x30
[  428.341056]  ? kvm_sched_clock_read+0x9/0x20
[  428.345494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.351038]  ? check_preemption_disabled+0x48/0x280
[  428.356067]  irq_exit+0x17f/0x1c0
[  428.359527]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.364371]  ? smp_reschedule_interrupt+0x109/0x650
[  428.369392]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.375279]  ? interrupt_entry+0xb5/0xc0
[  428.379349]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.384371]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.389395]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.394242]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.399260]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.404280]  ? task_prio+0x50/0x50
[  428.407842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.413403]  ? check_preemption_disabled+0x48/0x280
[  428.418432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.423293]  apic_timer_interrupt+0xf/0x20
[  428.427526]  </IRQ>
[  428.429771] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  428.434704] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  428.453611] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  428.461319] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  428.468589] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  428.475857] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  428.483124] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  428.490395] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  428.497719]  skb_clone+0x1bb/0x500
[  428.501275]  ? finish_task_switch+0x1b4/0x910
[  428.505778]  ? skb_split+0x11e0/0x11e0
[  428.509668]  ? preempt_notifier_register+0x200/0x200
[  428.514788]  ? __switch_to_asm+0x34/0x70
[  428.518854]  ? __switch_to_asm+0x34/0x70
[  428.522917]  ? __switch_to_asm+0x40/0x70
[  428.526986]  ? __switch_to_asm+0x34/0x70
[  428.531047]  ? __switch_to_asm+0x40/0x70
[  428.535105]  ? __switch_to_asm+0x34/0x70
[  428.539165]  ? __switch_to_asm+0x40/0x70
[  428.543224]  ? __switch_to_asm+0x34/0x70
[  428.547287]  ? __switch_to_asm+0x34/0x70
[  428.551352]  ? __switch_to_asm+0x40/0x70
[  428.555422]  ? __switch_to_asm+0x34/0x70
[  428.559491]  bpf_clone_redirect+0xb9/0x490
[  428.563737]  ? __schedule+0x8d7/0x21d0
[  428.567661]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  428.572682]  ? __sched_text_start+0x8/0x8
[  428.576887]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.581485]  ? retint_kernel+0x2d/0x2d
[  428.585382]  ? trace_hardirqs_on_caller+0xc0/0x310
[  428.590319]  ? find_held_lock+0x36/0x1c0
[  428.594390]  ? lock_acquire+0x1ed/0x520
[  428.598369]  ? bpf_test_run+0x3cb/0x780
[  428.602348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.607890]  ? check_preemption_disabled+0x48/0x280
[  428.612925]  ? kasan_check_read+0x11/0x20
[  428.617084]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.622367]  ? rcu_softirq_qs+0x20/0x20
[  428.626350]  ? preempt_schedule+0x4d/0x60
[  428.630505]  ? ___preempt_schedule+0x16/0x18
[  428.634927]  ? bpf_test_run+0x25d/0x780
[  428.638926]  ? netlink_diag_dump+0x2a0/0x2a0
[  428.643351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.648898]  ? bpf_test_init.isra.10+0x70/0x100
[  428.653578]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  428.658348]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.663195]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  428.668743]  ? fput+0x130/0x1a0
[  428.672031]  ? __bpf_prog_get+0x9b/0x290
[  428.676104]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.680947]  ? bpf_prog_test_run+0x130/0x1a0
[  428.685373]  ? __x64_sys_bpf+0x3d8/0x520
[  428.689437]  ? bpf_prog_get+0x20/0x20
[  428.693260]  ? do_syscall_64+0x1b9/0x820
[  428.697327]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  428.702696]  ? syscall_return_slowpath+0x5e0/0x5e0
[  428.707630]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.712477]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.717497]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  428.722521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.728062]  ? prepare_exit_to_usermode+0x291/0x3b0
[  428.733087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.737943]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  428.743337] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  428.743433] aoe: skb alloc failure
[  428.750454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.750479] Workqueue: events_power_efficient neigh_periodic_work
[  428.750487] Call Trace:
[  428.750494]  <IRQ>
[  428.750514]  dump_stack+0x244/0x39d
[  428.754072] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.763401]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.769618] syz-executor1 cpuset=syz1 mems_allowed=0
[  428.772240]  warn_alloc.cold.116+0xb7/0x1bd
[  428.803043]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.807894]  ? lock_downgrade+0x900/0x900
[  428.812082]  ? trace_hardirqs_off+0xb8/0x310
[  428.816504]  ? trace_hardirqs_off+0xb8/0x310
[  428.820925]  __alloc_pages_slowpath+0x26e8/0x2e10
[  428.825801]  ? warn_alloc+0x120/0x120
[  428.829611]  ? warn_alloc+0x120/0x120
[  428.833421]  ? zap_class+0x640/0x640
[  428.837138]  ? warn_alloc+0x120/0x120
[  428.840942]  ? print_usage_bug+0xc0/0xc0
[  428.845009]  ? check_preemption_disabled+0x48/0x280
[  428.850030]  ? print_usage_bug+0xc0/0xc0
[  428.854101]  ? __lock_is_held+0xb5/0x140
[  428.858169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.863708]  ? should_fail+0x22d/0xd01
[  428.867607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.872717]  ? __lock_acquire+0x62f/0x4c20
[  428.876960]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.882070]  ? __lock_acquire+0x62f/0x4c20
[  428.886306]  ? should_fail+0x22d/0xd01
[  428.890213]  ? mark_held_locks+0x130/0x130
[  428.894464]  ? mark_held_locks+0x130/0x130
[  428.898710]  ? update_stack_state+0x1a5/0x690
[  428.903702]  ? zap_class+0x640/0x640
[  428.907418]  ? ret_from_fork+0x3a/0x50
[  428.911314]  ? __lock_acquire+0x62f/0x4c20
[  428.915557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.921103]  ? check_preemption_disabled+0x48/0x280
[  428.926134]  ? __lock_is_held+0xb5/0x140
[  428.930207]  __alloc_pages_nodemask+0xa80/0xde0
[  428.934891]  ? zap_class+0x640/0x640
[  428.938617]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.943655]  ? find_held_lock+0x36/0x1c0
[  428.947734]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.952412]  ? lock_downgrade+0x900/0x900
[  428.956571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.962299]  cache_grow_begin+0xa5/0x8c0
[  428.966365]  ? do_raw_spin_unlock+0xa7/0x330
[  428.970786]  fallback_alloc+0x204/0x2e0
[  428.974771]  ____cache_alloc_node+0x1c7/0x1e0
[  428.979279]  kmem_cache_alloc_node+0xe3/0x730
[  428.983782]  ? mark_held_locks+0xc7/0x130
[  428.987944]  __alloc_skb+0x119/0x770
[  428.991675]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.996091]  ? do_raw_spin_trylock+0x270/0x270
[  429.000681]  ? kmem_cache_alloc_trace+0x353/0x750
[  429.005530]  ? queue_work_on+0x12c/0x1e0
[  429.009605]  ? switchdev_port_obj_del+0xdc/0x440
[  429.014367]  ? switchdev_trans_item_enqueue+0x260/0x260
[  429.019743]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  429.024869]  __br_mdb_notify+0x4ff/0x15d0
[  429.029026]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.034150]  ? __br_mdb_add+0x7f0/0x7f0
[  429.038138]  ? mark_held_locks+0x130/0x130
[  429.042402]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.047513]  ? debug_object_assert_init+0x368/0x4b0
[  429.052535]  ? debug_object_init_on_stack+0x20/0x20
[  429.058203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.063761]  br_mdb_notify+0x310/0x410
[  429.067674]  ? br_mdb_dump+0x27b0/0x27b0
[  429.071759]  br_multicast_del_pg+0x3df/0x790
[  429.076180]  ? br_mdb_ip_get+0x940/0x940
[  429.080253]  ? rwlock_bug.part.2+0x90/0x90
[  429.084584]  ? __lock_is_held+0xb5/0x140
[  429.088658]  br_multicast_port_group_expired+0x189/0x1e0
[  429.094119]  call_timer_fn+0x272/0x920
[  429.098009]  ? br_multicast_del_pg+0x790/0x790
[  429.102593]  ? process_timeout+0x40/0x40
[  429.106667]  ? mark_held_locks+0xc7/0x130
[  429.111431]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.115932]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.120441]  ? br_multicast_del_pg+0x790/0x790
[  429.125027]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.129616]  ? trace_hardirqs_on+0xbd/0x310
[  429.133942]  ? kasan_check_read+0x11/0x20
[  429.138098]  ? __run_timers+0x7da/0xc70
[  429.142077]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.147189]  ? br_multicast_del_pg+0x790/0x790
[  429.151783]  ? br_multicast_del_pg+0x790/0x790
[  429.156368]  __run_timers+0x7e5/0xc70
[  429.160183]  ? timer_fixup_init+0x70/0x70
[  429.164336]  ? lock_downgrade+0x900/0x900
[  429.168484]  ? zap_class+0x640/0x640
[  429.172213]  ? print_usage_bug+0xc0/0xc0
[  429.176288]  ? trace_hardirqs_on+0x310/0x310
[  429.180713]  ? kvm_clock_read+0x18/0x30
[  429.184714]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  429.189736]  ? ktime_get+0x2c1/0x400
[  429.193456]  ? zap_class+0x640/0x640
[  429.197187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.202733]  ? check_preemption_disabled+0x48/0x280
[  429.207775]  ? __lock_is_held+0xb5/0x140
[  429.211839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.217380]  ? check_preemption_disabled+0x48/0x280
[  429.222405]  run_timer_softirq+0x52/0xb0
[  429.226475]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.231502]  __do_softirq+0x308/0xb7e
[  429.235315]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.240419]  ? irq_exit+0xbd/0x1c0
[  429.243975]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  429.249004]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.254895]  ? ret_from_intr+0xb/0x1e
[  429.258702]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.263725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.268577]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.273596]  ? task_prio+0x50/0x50
[  429.277141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.282684]  ? check_preemption_disabled+0x48/0x280
[  429.287710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.292567]  ? neigh_periodic_work+0x6bd/0xc60
[  429.297159]  do_softirq_own_stack+0x2a/0x40
[  429.301478]  </IRQ>
[  429.303717]  do_softirq.part.14+0x126/0x160
[  429.308043]  __local_bh_enable_ip+0x21d/0x260
[  429.312543]  _raw_write_unlock_bh+0x30/0x40
[  429.316876]  neigh_periodic_work+0x6bd/0xc60
[  429.321306]  ? neigh_table_clear+0x390/0x390
[  429.325720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.331269]  ? check_preemption_disabled+0x48/0x280
[  429.336303]  ? __lock_is_held+0xb5/0x140
[  429.340385]  process_one_work+0xc90/0x1c40
[  429.344631]  ? mark_held_locks+0x130/0x130
[  429.348886]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  429.353556]  ? __switch_to_asm+0x40/0x70
[  429.357619]  ? __switch_to_asm+0x40/0x70
[  429.361678]  ? __switch_to_asm+0x34/0x70
[  429.365739]  ? __switch_to_asm+0x40/0x70
[  429.369798]  ? __switch_to_asm+0x34/0x70
[  429.373860]  ? __switch_to_asm+0x40/0x70
[  429.377919]  ? __switch_to_asm+0x34/0x70
[  429.381991]  ? __switch_to_asm+0x40/0x70
[  429.386069]  ? __schedule+0x8d7/0x21d0
[  429.389976]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.395013]  ? lock_downgrade+0x900/0x900
[  429.399174]  ? zap_class+0x640/0x640
[  429.402893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.407765]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.412368]  ? lock_acquire+0x1ed/0x520
[  429.416369]  ? worker_thread+0x3e0/0x1390
[  429.420529]  ? kasan_check_read+0x11/0x20
[  429.424682]  ? do_raw_spin_lock+0x14f/0x350
[  429.429007]  ? kasan_check_read+0x11/0x20
[  429.433161]  ? rwlock_bug.part.2+0x90/0x90
[  429.437398]  ? trace_hardirqs_on+0x310/0x310
[  429.441826]  worker_thread+0x17f/0x1390
[  429.445802]  ? __switch_to_asm+0x34/0x70
[  429.449908]  ? process_one_work+0x1c40/0x1c40
[  429.454432]  ? zap_class+0x640/0x640
[  429.458158]  ? find_held_lock+0x36/0x1c0
[  429.462268]  ? __kthread_parkme+0xce/0x1a0
[  429.466521]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.471630]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.476742]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.481337]  ? trace_hardirqs_on+0xbd/0x310
[  429.485663]  ? kasan_check_read+0x11/0x20
[  429.489819]  ? __kthread_parkme+0xce/0x1a0
[  429.494063]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.499171]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.504291]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.509400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.514945]  ? __kthread_parkme+0xfb/0x1a0
[  429.519195]  ? process_one_work+0x1c40/0x1c40
[  429.523699]  kthread+0x35a/0x440
[  429.527074]  ? kthread_stop+0x900/0x900
[  429.531069]  ret_from_fork+0x3a/0x50
[  429.534819] warn_alloc_show_mem: 1 callbacks suppressed
[  429.534832] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  429.534834] Mem-Info:
[  429.534866] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  429.534866]  active_file:16 inactive_file:3 isolated_file:0
[  429.534866]  unevictable:0 dirty:0 writeback:0 unstable:0
[  429.534866]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  429.534866]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  429.534866]  free:13690 free_pcp:879 free_cma:0
[  429.540217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.547599] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  429.550011] Call Trace:
[  429.582995] 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
[  429.592366]  <IRQ>
[  429.620211] lowmem_reserve[]: 0 2818 6321 6321
[  429.622838]  dump_stack+0x244/0x39d
[  429.648938] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  429.651115]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.655680] lowmem_reserve[]: 0 0 3503 3503
[  429.659324]  warn_alloc.cold.116+0xb7/0x1bd
[  429.686897] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  429.692111]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.696397] lowmem_reserve[]: 0 0 0 0
[  429.700722]  ? lock_downgrade+0x900/0x900
[  429.730046] 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
[  429.734913]  ? trace_hardirqs_off+0xb8/0x310
[  429.738684] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  429.742833]  ? trace_hardirqs_off+0xb8/0x310
[  429.756351] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  429.760785]  __alloc_pages_slowpath+0x26e8/0x2e10
[  429.776029] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  429.780472]  ? warn_alloc+0x120/0x120
[  429.794389] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.799239]  ? warn_alloc+0x120/0x120
[  429.808068] 4380 total pagecache pages
[  429.811877]  ? __lock_acquire+0x62f/0x4c20
[  429.820439] 0 pages in swap cache
[  429.824247]  ? warn_alloc+0x120/0x120
[  429.828110] Swap cache stats: add 0, delete 0, find 0/0
[  429.828120] Free swap  = 0kB
[  429.832355]  ? print_usage_bug+0xc0/0xc0
[  429.835784] Total swap = 0kB
[  429.839587]  ? print_usage_bug+0xc0/0xc0
[  429.844928] 1965979 pages RAM
[  429.847945]  ? mark_held_locks+0x130/0x130
[  429.851995] 0 pages HighMem/MovableOnly
[  429.855025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.859056] 342854 pages reserved
[  429.859065] 0 pages cma reserved
[  429.862171]  ? should_fail+0x22d/0xd01
[  429.866582] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.870354]  ? zap_class+0x640/0x640
[  429.875874] kworker/0:2 cpuset=/ mems_allowed=0
[  429.879327]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.910303]  ? __lock_acquire+0x62f/0x4c20
[  429.914544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.919649]  ? should_fail+0x22d/0xd01
[  429.923551]  ? mark_held_locks+0x130/0x130
[  429.927793]  ? mark_held_locks+0x130/0x130
[  429.932640]  ? lock_downgrade+0x900/0x900
[  429.936791]  ? zap_class+0x640/0x640
[  429.940511]  ? zap_class+0x640/0x640
[  429.944252]  ? zap_class+0x640/0x640
[  429.947969]  ? do_raw_spin_unlock+0xa7/0x330
[  429.952383]  ? trace_hardirqs_on+0x310/0x310
[  429.956798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.962339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.967893]  ? check_preemption_disabled+0x48/0x280
[  429.972923]  ? __lock_is_held+0xb5/0x140
[  429.976994]  __alloc_pages_nodemask+0xa80/0xde0
[  429.981668]  ? zap_class+0x640/0x640
[  429.985393]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.990424]  ? find_held_lock+0x36/0x1c0
[  429.994499]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.999173]  ? lock_downgrade+0x900/0x900
[  430.003332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.008878]  cache_grow_begin+0xa5/0x8c0
[  430.013456]  ? do_raw_spin_unlock+0xa7/0x330
[  430.017874]  fallback_alloc+0x204/0x2e0
[  430.021859]  ____cache_alloc_node+0x1c7/0x1e0
[  430.026368]  kmem_cache_alloc_node+0xe3/0x730
[  430.030868]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.035464]  __alloc_skb+0x119/0x770
[  430.039179]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  430.044551]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.048974]  ? vprintk_default+0x28/0x30
[  430.053043]  ? vprintk_func+0x85/0x181
[  430.056939]  ? printk+0xa7/0xcf
[  430.060222]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  430.064994]  new_skb+0x26/0x1c0
[  430.068280]  aoecmd_cfg+0x279/0x7f0
[  430.071911]  ? find_held_lock+0x36/0x1c0
[  430.075976]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  430.080309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.085860]  ? __lock_is_held+0xb5/0x140
[  430.089937]  discover_timer+0x50/0x60
[  430.093745]  call_timer_fn+0x272/0x920
[  430.097636]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  430.102483]  ? process_timeout+0x40/0x40
[  430.106555]  ? __run_timers+0x7da/0xc70
[  430.110534]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.115029]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.119524]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  430.124373]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.128966]  ? trace_hardirqs_on+0xbd/0x310
[  430.133318]  ? kasan_check_read+0x11/0x20
[  430.137468]  ? __run_timers+0x7da/0xc70
[  430.141449]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.146574]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  430.151418]  __run_timers+0x7e5/0xc70
[  430.155238]  ? timer_fixup_init+0x70/0x70
[  430.159393]  ? lock_acquire+0x1ed/0x520
[  430.163371]  ? zap_class+0x640/0x640
[  430.167087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.172634]  ? kasan_check_read+0x11/0x20
[  430.176784]  ? do_raw_spin_lock+0x14f/0x350
[  430.181124]  ? find_held_lock+0x36/0x1c0
[  430.185197]  ? zap_class+0x640/0x640
[  430.188941]  ? pvclock_read_flags+0x160/0x160
[  430.193447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.198992]  ? check_preemption_disabled+0x48/0x280
[  430.204023]  ? __lock_is_held+0xb5/0x140
[  430.208088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.213631]  ? check_preemption_disabled+0x48/0x280
[  430.218658]  run_timer_softirq+0x52/0xb0
[  430.222733]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.227763]  __do_softirq+0x308/0xb7e
[  430.231576]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  430.236078]  ? lock_downgrade+0x900/0x900
[  430.240235]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.245355]  ? pvclock_read_flags+0x160/0x160
[  430.249944]  ? lapic_next_event+0x5a/0x90
[  430.254105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.259650]  ? kvm_clock_read+0x18/0x30
[  430.263626]  ? kvm_sched_clock_read+0x9/0x20
[  430.268042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.273589]  ? check_preemption_disabled+0x48/0x280
[  430.278620]  irq_exit+0x17f/0x1c0
[  430.282084]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.286927]  ? smp_reschedule_interrupt+0x109/0x650
[  430.291946]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.297833]  ? interrupt_entry+0xb5/0xc0
[  430.301903]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.306918]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.311939]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.316790]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.321808]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.326828]  ? task_prio+0x50/0x50
[  430.330372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.335921]  ? check_preemption_disabled+0x48/0x280
[  430.340947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.345803]  apic_timer_interrupt+0xf/0x20
[  430.350033]  </IRQ>
[  430.352277] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  430.357209] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  430.376114] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  430.383821] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  430.391092] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  430.398363] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  430.405631] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  430.412902] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  430.420226]  skb_clone+0x1bb/0x500
[  430.423774]  ? finish_task_switch+0x1b4/0x910
[  430.428276]  ? skb_split+0x11e0/0x11e0
[  430.432169]  ? preempt_notifier_register+0x200/0x200
[  430.437279]  ? __switch_to_asm+0x34/0x70
[  430.441343]  ? __switch_to_asm+0x34/0x70
[  430.445409]  ? __switch_to_asm+0x40/0x70
[  430.449469]  ? __switch_to_asm+0x34/0x70
[  430.454144]  ? __switch_to_asm+0x40/0x70
[  430.458207]  ? __switch_to_asm+0x34/0x70
[  430.462270]  ? __switch_to_asm+0x40/0x70
[  430.466331]  ? __switch_to_asm+0x34/0x70
[  430.470398]  ? __switch_to_asm+0x34/0x70
[  430.474460]  ? __switch_to_asm+0x40/0x70
[  430.478520]  ? __switch_to_asm+0x34/0x70
[  430.482593]  bpf_clone_redirect+0xb9/0x490
[  430.486838]  ? __schedule+0x8d7/0x21d0
[  430.490743]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  430.495768]  ? __sched_text_start+0x8/0x8
[  430.499923]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.504521]  ? retint_kernel+0x2d/0x2d
[  430.508414]  ? trace_hardirqs_on_caller+0xc0/0x310
[  430.513355]  ? find_held_lock+0x36/0x1c0
[  430.517435]  ? lock_acquire+0x1ed/0x520
[  430.521416]  ? bpf_test_run+0x3cb/0x780
[  430.525398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.530942]  ? check_preemption_disabled+0x48/0x280
[  430.535969]  ? kasan_check_read+0x11/0x20
[  430.540120]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.545406]  ? rcu_softirq_qs+0x20/0x20
[  430.549384]  ? preempt_schedule+0x4d/0x60
[  430.553537]  ? ___preempt_schedule+0x16/0x18
[  430.557959]  ? bpf_test_run+0x25d/0x780
[  430.561948]  ? netlink_diag_dump+0x2a0/0x2a0
[  430.566367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.571924]  ? bpf_test_init.isra.10+0x70/0x100
[  430.576606]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  430.581395]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.586246]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.591793]  ? fput+0x130/0x1a0
[  430.595080]  ? __bpf_prog_get+0x9b/0x290
[  430.599153]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.603998]  ? bpf_prog_test_run+0x130/0x1a0
[  430.608413]  ? __x64_sys_bpf+0x3d8/0x520
[  430.612478]  ? bpf_prog_get+0x20/0x20
[  430.616305]  ? do_syscall_64+0x1b9/0x820
[  430.620372]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  430.625750]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.630681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.635537]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.640558]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  430.645584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.651160]  ? prepare_exit_to_usermode+0x291/0x3b0
[  430.656188]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.661042]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  430.666429] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  430.666517] aoe: skb alloc failure
[  430.673545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.673570] Workqueue: events_power_efficient neigh_periodic_work
[  430.673577] Call Trace:
[  430.673589]  <IRQ>
[  430.677155] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.686486]  dump_stack+0x244/0x39d
[  430.692698] syz-executor1 cpuset=syz1 mems_allowed=0
[  430.695290]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.721839]  warn_alloc.cold.116+0xb7/0x1bd
[  430.726179]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.731039]  ? lock_downgrade+0x900/0x900
[  430.735205]  ? trace_hardirqs_off+0xb8/0x310
[  430.739632]  ? trace_hardirqs_off+0xb8/0x310
[  430.744069]  __alloc_pages_slowpath+0x26e8/0x2e10
[  430.748953]  ? warn_alloc+0x120/0x120
[  430.752775]  ? warn_alloc+0x120/0x120
[  430.756586]  ? warn_alloc+0x120/0x120
[  430.760399]  ? print_usage_bug+0xc0/0xc0
[  430.764470]  ? print_usage_bug+0xc0/0xc0
[  430.768555]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.774123]  ? should_fail+0x22d/0xd01
[  430.778025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.783136]  ? __lock_acquire+0x62f/0x4c20
[  430.787379]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.792486]  ? __lock_acquire+0x62f/0x4c20
[  430.796723]  ? should_fail+0x22d/0xd01
[  430.800626]  ? mark_held_locks+0x130/0x130
[  430.804868]  ? mark_held_locks+0x130/0x130
[  430.809110]  ? update_stack_state+0x1a5/0x690
[  430.813619]  ? zap_class+0x640/0x640
[  430.817344]  ? ret_from_fork+0x3a/0x50
[  430.821259]  ? __lock_acquire+0x62f/0x4c20
[  430.825501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.831064]  ? check_preemption_disabled+0x48/0x280
[  430.836110]  ? __lock_is_held+0xb5/0x140
[  430.840183]  __alloc_pages_nodemask+0xa80/0xde0
[  430.844859]  ? zap_class+0x640/0x640
[  430.848579]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.853610]  ? find_held_lock+0x36/0x1c0
[  430.857688]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.862382]  ? lock_downgrade+0x900/0x900
[  430.866546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.872096]  cache_grow_begin+0xa5/0x8c0
[  430.876162]  ? do_raw_spin_unlock+0xa7/0x330
[  430.880580]  fallback_alloc+0x204/0x2e0
[  430.884563]  ____cache_alloc_node+0x1c7/0x1e0
[  430.889074]  kmem_cache_alloc_node+0xe3/0x730
[  430.893575]  ? mark_held_locks+0xc7/0x130
[  430.897738]  __alloc_skb+0x119/0x770
[  430.901460]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.906117]  ? do_raw_spin_trylock+0x270/0x270
[  430.910704]  ? kmem_cache_alloc_trace+0x353/0x750
[  430.915554]  ? queue_work_on+0x12c/0x1e0
[  430.919631]  ? switchdev_port_obj_del+0xdc/0x440
[  430.924394]  ? switchdev_trans_item_enqueue+0x260/0x260
[  430.929769]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  430.934800]  __br_mdb_notify+0x4ff/0x15d0
[  430.938955]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.944088]  ? __br_mdb_add+0x7f0/0x7f0
[  430.948085]  ? mark_held_locks+0x130/0x130
[  430.952340]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.957451]  ? debug_object_assert_init+0x368/0x4b0
[  430.962477]  ? debug_object_init_on_stack+0x20/0x20
[  430.967519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.973074]  br_mdb_notify+0x310/0x410
[  430.976977]  ? br_mdb_dump+0x27b0/0x27b0
[  430.981057]  br_multicast_del_pg+0x3df/0x790
[  430.985478]  ? br_mdb_ip_get+0x940/0x940
[  430.989547]  ? rwlock_bug.part.2+0x90/0x90
[  430.993793]  ? __lock_is_held+0xb5/0x140
[  430.997875]  br_multicast_port_group_expired+0x189/0x1e0
[  431.003337]  call_timer_fn+0x272/0x920
[  431.007238]  ? br_multicast_del_pg+0x790/0x790
[  431.011823]  ? process_timeout+0x40/0x40
[  431.015899]  ? mark_held_locks+0xc7/0x130
[  431.020055]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.025072]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.029570]  ? br_multicast_del_pg+0x790/0x790
[  431.034159]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.038755]  ? trace_hardirqs_on+0xbd/0x310
[  431.043079]  ? kasan_check_read+0x11/0x20
[  431.047236]  ? __run_timers+0x7da/0xc70
[  431.051217]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.056347]  ? br_multicast_del_pg+0x790/0x790
[  431.060940]  ? br_multicast_del_pg+0x790/0x790
[  431.065531]  __run_timers+0x7e5/0xc70
[  431.069348]  ? timer_fixup_init+0x70/0x70
[  431.073501]  ? lock_downgrade+0x900/0x900
[  431.077650]  ? zap_class+0x640/0x640
[  431.081379]  ? print_usage_bug+0xc0/0xc0
[  431.085451]  ? trace_hardirqs_on+0x310/0x310
[  431.089877]  ? kvm_clock_read+0x18/0x30
[  431.093853]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  431.098873]  ? ktime_get+0x2c1/0x400
[  431.102598]  ? zap_class+0x640/0x640
[  431.106329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.111875]  ? check_preemption_disabled+0x48/0x280
[  431.116914]  ? __lock_is_held+0xb5/0x140
[  431.120988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.126535]  ? check_preemption_disabled+0x48/0x280
[  431.131560]  run_timer_softirq+0x52/0xb0
[  431.135626]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.140649]  __do_softirq+0x308/0xb7e
[  431.144468]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.149570]  ? irq_exit+0xbd/0x1c0
[  431.153117]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  431.158142]  ? smp_call_function_single_interrupt+0x650/0x650
[  431.164031]  ? ret_from_intr+0xb/0x1e
[  431.167837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.172857]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.177710]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.182728]  ? task_prio+0x50/0x50
[  431.186278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.191823]  ? check_preemption_disabled+0x48/0x280
[  431.196852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.201719]  ? neigh_periodic_work+0x6bd/0xc60
[  431.206318]  do_softirq_own_stack+0x2a/0x40
[  431.210638]  </IRQ>
[  431.212885]  do_softirq.part.14+0x126/0x160
[  431.217213]  __local_bh_enable_ip+0x21d/0x260
[  431.221721]  _raw_write_unlock_bh+0x30/0x40
[  431.226049]  neigh_periodic_work+0x6bd/0xc60
[  431.230478]  ? neigh_table_clear+0x390/0x390
[  431.234906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.240455]  ? check_preemption_disabled+0x48/0x280
[  431.245484]  ? __lock_is_held+0xb5/0x140
[  431.249586]  process_one_work+0xc90/0x1c40
[  431.253827]  ? mark_held_locks+0x130/0x130
[  431.258077]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  431.262788]  ? __switch_to_asm+0x40/0x70
[  431.266850]  ? __switch_to_asm+0x40/0x70
[  431.270909]  ? __switch_to_asm+0x34/0x70
[  431.274976]  ? __switch_to_asm+0x40/0x70
[  431.279041]  ? __switch_to_asm+0x34/0x70
[  431.283100]  ? __switch_to_asm+0x40/0x70
[  431.287160]  ? __switch_to_asm+0x34/0x70
[  431.291222]  ? __switch_to_asm+0x40/0x70
[  431.295303]  ? __schedule+0x8d7/0x21d0
[  431.299199]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.304242]  ? lock_downgrade+0x900/0x900
[  431.308404]  ? zap_class+0x640/0x640
[  431.312121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.316986]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.321590]  ? lock_acquire+0x1ed/0x520
[  431.325569]  ? worker_thread+0x3e0/0x1390
[  431.329732]  ? kasan_check_read+0x11/0x20
[  431.333890]  ? do_raw_spin_lock+0x14f/0x350
[  431.338215]  ? kasan_check_read+0x11/0x20
[  431.342375]  ? rwlock_bug.part.2+0x90/0x90
[  431.346623]  ? trace_hardirqs_on+0x310/0x310
[  431.351058]  worker_thread+0x17f/0x1390
[  431.355038]  ? __switch_to_asm+0x34/0x70
[  431.359123]  ? process_one_work+0x1c40/0x1c40
[  431.363639]  ? zap_class+0x640/0x640
[  431.367362]  ? find_held_lock+0x36/0x1c0
[  431.371455]  ? __kthread_parkme+0xce/0x1a0
[  431.375701]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.380810]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.385924]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.390516]  ? trace_hardirqs_on+0xbd/0x310
[  431.394844]  ? kasan_check_read+0x11/0x20
[  431.399006]  ? __kthread_parkme+0xce/0x1a0
[  431.403252]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.408366]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.413490]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.418598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.424141]  ? __kthread_parkme+0xfb/0x1a0
[  431.428383]  ? process_one_work+0x1c40/0x1c40
[  431.432886]  kthread+0x35a/0x440
[  431.436260]  ? kthread_stop+0x900/0x900
[  431.440252]  ret_from_fork+0x3a/0x50
[  431.443998] warn_alloc_show_mem: 1 callbacks suppressed
[  431.444010] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  431.444013] Mem-Info:
[  431.444044] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  431.444044]  active_file:16 inactive_file:3 isolated_file:0
[  431.444044]  unevictable:0 dirty:0 writeback:0 unstable:0
[  431.444044]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  431.444044]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  431.444044]  free:13690 free_pcp:879 free_cma:0
[  431.449397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.456766] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  431.459168] Call Trace:
[  431.492161] 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
[  431.501520]  <IRQ>
[  431.529367] lowmem_reserve[]: 0 2818 6321 6321
[  431.531972]  dump_stack+0x244/0x39d
[  431.558076] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  431.560251]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.564804] lowmem_reserve[]: 0 0 3503 3503
[  431.568445]  warn_alloc.cold.116+0xb7/0x1bd
[  431.596020] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  431.601236]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.605527] lowmem_reserve[]: 0 0 0 0
[  431.609866]  ? lock_downgrade+0x900/0x900
[  431.639183] 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
[  431.644052]  ? trace_hardirqs_off+0xb8/0x310
[  431.647810] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  431.651994]  ? trace_hardirqs_off+0xb8/0x310
[  431.665498] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  431.669935]  __alloc_pages_slowpath+0x26e8/0x2e10
[  431.685179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  431.689616]  ? warn_alloc+0x120/0x120
[  431.703545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  431.708387]  ? warn_alloc+0x120/0x120
[  431.717201] 4380 total pagecache pages
[  431.721007]  ? __lock_acquire+0x62f/0x4c20
[  431.729569] 0 pages in swap cache
[  431.733392]  ? warn_alloc+0x120/0x120
[  431.737269] Swap cache stats: add 0, delete 0, find 0/0
[  431.741512]  ? print_usage_bug+0xc0/0xc0
[  431.744950] Free swap  = 0kB
[  431.748759]  ? print_usage_bug+0xc0/0xc0
[  431.754101] Total swap = 0kB
[  431.754110] 1965979 pages RAM
[  431.758174]  ? mark_held_locks+0x130/0x130
[  431.761172] 0 pages HighMem/MovableOnly
[  431.765239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.768238] 342854 pages reserved
[  431.768247] 0 pages cma reserved
[  431.771356]  ? should_fail+0x22d/0xd01
[  431.775744] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  431.779556]  ? zap_class+0x640/0x640
[  431.785078] kworker/0:2 cpuset=/ mems_allowed=0
[  431.788567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.819573]  ? __lock_acquire+0x62f/0x4c20
[  431.823821]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.828930]  ? should_fail+0x22d/0xd01
[  431.832846]  ? mark_held_locks+0x130/0x130
[  431.837090]  ? mark_held_locks+0x130/0x130
[  431.841331]  ? lock_downgrade+0x900/0x900
[  431.845485]  ? zap_class+0x640/0x640
[  431.849212]  ? zap_class+0x640/0x640
[  431.852951]  ? zap_class+0x640/0x640
[  431.856734]  ? do_raw_spin_unlock+0xa7/0x330
[  431.861166]  ? trace_hardirqs_on+0x310/0x310
[  431.865584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.871128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.876680]  ? check_preemption_disabled+0x48/0x280
[  431.881741]  ? __lock_is_held+0xb5/0x140
[  431.885817]  __alloc_pages_nodemask+0xa80/0xde0
[  431.890502]  ? zap_class+0x640/0x640
[  431.894228]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  431.899283]  ? find_held_lock+0x36/0x1c0
[  431.903361]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.908054]  ? lock_downgrade+0x900/0x900
[  431.912220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.917773]  cache_grow_begin+0xa5/0x8c0
[  431.921842]  ? do_raw_spin_unlock+0xa7/0x330
[  431.926262]  fallback_alloc+0x204/0x2e0
[  431.930272]  ____cache_alloc_node+0x1c7/0x1e0
[  431.934777]  kmem_cache_alloc_node+0xe3/0x730
[  431.939286]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.943886]  __alloc_skb+0x119/0x770
[  431.947603]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  431.952983]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.957405]  ? vprintk_default+0x28/0x30
[  431.961470]  ? vprintk_func+0x85/0x181
[  431.965361]  ? printk+0xa7/0xcf
[  431.968645]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  431.973418]  new_skb+0x26/0x1c0
[  431.976705]  aoecmd_cfg+0x279/0x7f0
[  431.980341]  ? find_held_lock+0x36/0x1c0
[  431.984415]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  431.988754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.994308]  ? __lock_is_held+0xb5/0x140
[  431.998389]  discover_timer+0x50/0x60
[  432.002194]  call_timer_fn+0x272/0x920
[  432.006088]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  432.011460]  ? process_timeout+0x40/0x40
[  432.015536]  ? __run_timers+0x7da/0xc70
[  432.019514]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.024012]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.028513]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  432.033366]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.037967]  ? trace_hardirqs_on+0xbd/0x310
[  432.042293]  ? kasan_check_read+0x11/0x20
[  432.046443]  ? __run_timers+0x7da/0xc70
[  432.050443]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.055568]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  432.060415]  __run_timers+0x7e5/0xc70
[  432.064231]  ? timer_fixup_init+0x70/0x70
[  432.068388]  ? lock_acquire+0x1ed/0x520
[  432.072368]  ? zap_class+0x640/0x640
[  432.076089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.081638]  ? kasan_check_read+0x11/0x20
[  432.085811]  ? do_raw_spin_lock+0x14f/0x350
[  432.090146]  ? find_held_lock+0x36/0x1c0
[  432.094225]  ? zap_class+0x640/0x640
[  432.097945]  ? pvclock_read_flags+0x160/0x160
[  432.102455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.108008]  ? check_preemption_disabled+0x48/0x280
[  432.113041]  ? __lock_is_held+0xb5/0x140
[  432.117113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.122656]  ? check_preemption_disabled+0x48/0x280
[  432.127697]  run_timer_softirq+0x52/0xb0
[  432.131766]  ? rcu_read_lock_sched_held+0x14f/0x180
[  432.136791]  __do_softirq+0x308/0xb7e
[  432.140610]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  432.145130]  ? lock_downgrade+0x900/0x900
[  432.149296]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.154422]  ? pvclock_read_flags+0x160/0x160
[  432.158924]  ? lapic_next_event+0x5a/0x90
[  432.163084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.168631]  ? kvm_clock_read+0x18/0x30
[  432.172611]  ? kvm_sched_clock_read+0x9/0x20
[  432.177030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.182579]  ? check_preemption_disabled+0x48/0x280
[  432.187610]  irq_exit+0x17f/0x1c0
[  432.191069]  smp_apic_timer_interrupt+0x1cb/0x760
[  432.195913]  ? smp_reschedule_interrupt+0x109/0x650
[  432.200938]  ? smp_call_function_single_interrupt+0x650/0x650
[  432.206834]  ? interrupt_entry+0xb5/0xc0
[  432.210911]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.215927]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.220984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.225843]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.230884]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.235904]  ? task_prio+0x50/0x50
[  432.239450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.245002]  ? check_preemption_disabled+0x48/0x280
[  432.250027]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.254884]  apic_timer_interrupt+0xf/0x20
[  432.259122]  </IRQ>
[  432.261366] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  432.266302] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  432.285207] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  432.292916] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  432.300187] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  432.307457] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  432.314733] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  432.322004] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  432.329330]  skb_clone+0x1bb/0x500
[  432.332880]  ? finish_task_switch+0x1b4/0x910
[  432.337388]  ? skb_split+0x11e0/0x11e0
[  432.341286]  ? preempt_notifier_register+0x200/0x200
[  432.346390]  ? __switch_to_asm+0x34/0x70
[  432.350453]  ? __switch_to_asm+0x34/0x70
[  432.354525]  ? __switch_to_asm+0x40/0x70
[  432.358587]  ? __switch_to_asm+0x34/0x70
[  432.362647]  ? __switch_to_asm+0x40/0x70
[  432.366709]  ? __switch_to_asm+0x34/0x70
[  432.370802]  ? __switch_to_asm+0x40/0x70
[  432.374867]  ? __switch_to_asm+0x34/0x70
[  432.378942]  ? __switch_to_asm+0x34/0x70
[  432.383007]  ? __switch_to_asm+0x40/0x70
[  432.387065]  ? __switch_to_asm+0x34/0x70
[  432.391136]  bpf_clone_redirect+0xb9/0x490
[  432.395374]  ? __schedule+0x8d7/0x21d0
[  432.399270]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  432.404290]  ? __sched_text_start+0x8/0x8
[  432.408448]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.413035]  ? retint_kernel+0x2d/0x2d
[  432.416927]  ? trace_hardirqs_on_caller+0xc0/0x310
[  432.421872]  ? find_held_lock+0x36/0x1c0
[  432.425987]  ? lock_acquire+0x1ed/0x520
[  432.429973]  ? bpf_test_run+0x3cb/0x780
[  432.433953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.439518]  ? check_preemption_disabled+0x48/0x280
[  432.444545]  ? kasan_check_read+0x11/0x20
[  432.448745]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.454033]  ? rcu_softirq_qs+0x20/0x20
[  432.458014]  ? preempt_schedule+0x4d/0x60
[  432.462172]  ? ___preempt_schedule+0x16/0x18
[  432.466592]  ? bpf_test_run+0x25d/0x780
[  432.470581]  ? netlink_diag_dump+0x2a0/0x2a0
[  432.475008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.480551]  ? bpf_test_init.isra.10+0x70/0x100
[  432.485232]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  432.490007]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  432.494872]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  432.500427]  ? fput+0x130/0x1a0
[  432.503714]  ? __bpf_prog_get+0x9b/0x290
[  432.507785]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  432.512627]  ? bpf_prog_test_run+0x130/0x1a0
[  432.517051]  ? __x64_sys_bpf+0x3d8/0x520
[  432.521145]  ? bpf_prog_get+0x20/0x20
[  432.524982]  ? do_syscall_64+0x1b9/0x820
[  432.529062]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  432.534430]  ? syscall_return_slowpath+0x5e0/0x5e0
[  432.539364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.544220]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.549247]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  432.554274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.559813]  ? prepare_exit_to_usermode+0x291/0x3b0
[  432.564840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.569691]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  432.575090] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  432.575181] aoe: skb alloc failure
[  432.582208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.582249] Workqueue: events_power_efficient neigh_periodic_work
[  432.585834] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.595149] Call Trace:
[  432.601374] syz-executor1 cpuset=syz1 mems_allowed=0
[  432.611848]  <IRQ>
[  432.621661]  dump_stack+0x244/0x39d
[  432.625295]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.630508]  warn_alloc.cold.116+0xb7/0x1bd
[  432.634850]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.639700]  ? lock_downgrade+0x900/0x900
[  432.643861]  ? trace_hardirqs_off+0xb8/0x310
[  432.648304]  ? trace_hardirqs_off+0xb8/0x310
[  432.652723]  __alloc_pages_slowpath+0x26e8/0x2e10
[  432.657598]  ? warn_alloc+0x120/0x120
[  432.661408]  ? warn_alloc+0x120/0x120
[  432.665214]  ? warn_alloc+0x120/0x120
[  432.669027]  ? print_usage_bug+0xc0/0xc0
[  432.673100]  ? print_usage_bug+0xc0/0xc0
[  432.677167]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  432.682370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.687914]  ? should_fail+0x22d/0xd01
[  432.691824]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.696940]  ? __lock_acquire+0x62f/0x4c20
[  432.701183]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.706294]  ? __lock_acquire+0x62f/0x4c20
[  432.710532]  ? should_fail+0x22d/0xd01
[  432.714436]  ? mark_held_locks+0x130/0x130
[  432.718679]  ? mark_held_locks+0x130/0x130
[  432.722916]  ? update_stack_state+0x1a5/0x690
[  432.727421]  ? zap_class+0x640/0x640
[  432.731153]  ? ret_from_fork+0x3a/0x50
[  432.735054]  ? __lock_acquire+0x62f/0x4c20
[  432.739298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.744843]  ? check_preemption_disabled+0x48/0x280
[  432.749871]  ? __lock_is_held+0xb5/0x140
[  432.753942]  __alloc_pages_nodemask+0xa80/0xde0
[  432.758615]  ? zap_class+0x640/0x640
[  432.762338]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  432.767373]  ? find_held_lock+0x36/0x1c0
[  432.771451]  ? ____cache_alloc_node+0x1c7/0x1e0
[  432.776127]  ? lock_downgrade+0x900/0x900
[  432.780284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.785830]  cache_grow_begin+0xa5/0x8c0
[  432.789894]  ? do_raw_spin_unlock+0xa7/0x330
[  432.794315]  fallback_alloc+0x204/0x2e0
[  432.798299]  ____cache_alloc_node+0x1c7/0x1e0
[  432.802801]  kmem_cache_alloc_node+0xe3/0x730
[  432.807303]  ? mark_held_locks+0xc7/0x130
[  432.811465]  __alloc_skb+0x119/0x770
[  432.815185]  ? netdev_alloc_frag+0x1f0/0x1f0
[  432.819600]  ? do_raw_spin_trylock+0x270/0x270
[  432.824191]  ? kmem_cache_alloc_trace+0x353/0x750
[  432.829083]  ? queue_work_on+0x12c/0x1e0
[  432.833155]  ? switchdev_port_obj_del+0xdc/0x440
[  432.837913]  ? switchdev_trans_item_enqueue+0x260/0x260
[  432.843310]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  432.848341]  __br_mdb_notify+0x4ff/0x15d0
[  432.852491]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  432.857611]  ? __br_mdb_add+0x7f0/0x7f0
[  432.861593]  ? mark_held_locks+0x130/0x130
[  432.865841]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.870949]  ? debug_object_assert_init+0x368/0x4b0
[  432.875971]  ? debug_object_init_on_stack+0x20/0x20
[  432.880996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.886543]  br_mdb_notify+0x310/0x410
[  432.890440]  ? br_mdb_dump+0x27b0/0x27b0
[  432.894520]  br_multicast_del_pg+0x3df/0x790
[  432.898939]  ? br_mdb_ip_get+0x940/0x940
[  432.903520]  ? rwlock_bug.part.2+0x90/0x90
[  432.907763]  ? __lock_is_held+0xb5/0x140
[  432.911865]  br_multicast_port_group_expired+0x189/0x1e0
[  432.917333]  call_timer_fn+0x272/0x920
[  432.921223]  ? br_multicast_del_pg+0x790/0x790
[  432.925816]  ? process_timeout+0x40/0x40
[  432.929887]  ? mark_held_locks+0xc7/0x130
[  432.934040]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.938550]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.943046]  ? br_multicast_del_pg+0x790/0x790
[  432.947655]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.952257]  ? trace_hardirqs_on+0xbd/0x310
[  432.956583]  ? kasan_check_read+0x11/0x20
[  432.960731]  ? __run_timers+0x7da/0xc70
[  432.964708]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.969833]  ? br_multicast_del_pg+0x790/0x790
[  432.974426]  ? br_multicast_del_pg+0x790/0x790
[  432.979013]  __run_timers+0x7e5/0xc70
[  432.982828]  ? timer_fixup_init+0x70/0x70
[  432.986980]  ? lock_downgrade+0x900/0x900
[  432.991133]  ? zap_class+0x640/0x640
[  432.994870]  ? print_usage_bug+0xc0/0xc0
[  432.998944]  ? trace_hardirqs_on+0x310/0x310
[  433.003365]  ? kvm_clock_read+0x18/0x30
[  433.007345]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  433.012371]  ? ktime_get+0x2c1/0x400
[  433.016093]  ? zap_class+0x640/0x640
[  433.019818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.025373]  ? check_preemption_disabled+0x48/0x280
[  433.030405]  ? __lock_is_held+0xb5/0x140
[  433.034471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.040016]  ? check_preemption_disabled+0x48/0x280
[  433.045045]  run_timer_softirq+0x52/0xb0
[  433.049111]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.054131]  __do_softirq+0x308/0xb7e
[  433.057952]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.063980]  ? irq_exit+0xbd/0x1c0
[  433.067530]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  433.072555]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.078455]  ? ret_from_intr+0xb/0x1e
[  433.082264]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.087285]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.092132]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.097148]  ? task_prio+0x50/0x50
[  433.100703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.106283]  ? check_preemption_disabled+0x48/0x280
[  433.111310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.116164]  ? neigh_periodic_work+0x6bd/0xc60
[  433.120762]  do_softirq_own_stack+0x2a/0x40
[  433.125088]  </IRQ>
[  433.127329]  do_softirq.part.14+0x126/0x160
[  433.131650]  __local_bh_enable_ip+0x21d/0x260
[  433.136148]  _raw_write_unlock_bh+0x30/0x40
[  433.140475]  neigh_periodic_work+0x6bd/0xc60
[  433.144896]  ? neigh_table_clear+0x390/0x390
[  433.149314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.154857]  ? check_preemption_disabled+0x48/0x280
[  433.159903]  ? __lock_is_held+0xb5/0x140
[  433.164004]  process_one_work+0xc90/0x1c40
[  433.168247]  ? mark_held_locks+0x130/0x130
[  433.172496]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  433.177167]  ? __switch_to_asm+0x40/0x70
[  433.181232]  ? __switch_to_asm+0x40/0x70
[  433.185328]  ? __switch_to_asm+0x34/0x70
[  433.189401]  ? __switch_to_asm+0x40/0x70
[  433.193464]  ? __switch_to_asm+0x34/0x70
[  433.197530]  ? __switch_to_asm+0x40/0x70
[  433.201597]  ? __switch_to_asm+0x34/0x70
[  433.205663]  ? __switch_to_asm+0x40/0x70
[  433.209733]  ? __schedule+0x8d7/0x21d0
[  433.213629]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.218666]  ? lock_downgrade+0x900/0x900
[  433.222825]  ? zap_class+0x640/0x640
[  433.226543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.231410]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.236035]  ? lock_acquire+0x1ed/0x520
[  433.240028]  ? worker_thread+0x3e0/0x1390
[  433.244188]  ? kasan_check_read+0x11/0x20
[  433.248338]  ? do_raw_spin_lock+0x14f/0x350
[  433.252661]  ? kasan_check_read+0x11/0x20
[  433.256814]  ? rwlock_bug.part.2+0x90/0x90
[  433.261064]  ? trace_hardirqs_on+0x310/0x310
[  433.265501]  worker_thread+0x17f/0x1390
[  433.269477]  ? __switch_to_asm+0x34/0x70
[  433.273555]  ? process_one_work+0x1c40/0x1c40
[  433.278068]  ? zap_class+0x640/0x640
[  433.281793]  ? find_held_lock+0x36/0x1c0
[  433.285888]  ? __kthread_parkme+0xce/0x1a0
[  433.290130]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.295244]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.300353]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.304942]  ? trace_hardirqs_on+0xbd/0x310
[  433.309274]  ? kasan_check_read+0x11/0x20
[  433.313422]  ? __kthread_parkme+0xce/0x1a0
[  433.317666]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.322777]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.327893]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  433.333003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.338556]  ? __kthread_parkme+0xfb/0x1a0
[  433.342803]  ? process_one_work+0x1c40/0x1c40
[  433.347309]  kthread+0x35a/0x440
[  433.350688]  ? kthread_stop+0x900/0x900
[  433.354670]  ret_from_fork+0x3a/0x50
[  433.358405] warn_alloc_show_mem: 1 callbacks suppressed
[  433.358418] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  433.358420] Mem-Info:
[  433.358451] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  433.358451]  active_file:16 inactive_file:3 isolated_file:0
[  433.358451]  unevictable:0 dirty:0 writeback:0 unstable:0
[  433.358451]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  433.358451]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  433.358451]  free:13690 free_pcp:879 free_cma:0
[  433.363806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.371184] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  433.373588] Call Trace:
[  433.406548] 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
[  433.415901]  <IRQ>
[  433.443728] lowmem_reserve[]: 0 2818 6321 6321
[  433.446339]  dump_stack+0x244/0x39d
[  433.472430] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  433.474591]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.479144] lowmem_reserve[]: 0 0 3503 3503
[  433.482783]  warn_alloc.cold.116+0xb7/0x1bd
[  433.510353] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  433.515544]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.519841] lowmem_reserve[]: 0 0 0 0
[  433.524202]  ? lock_downgrade+0x900/0x900
[  433.553576] 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
[  433.558463]  ? trace_hardirqs_off+0xb8/0x310
[  433.562243] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  433.566395]  ? trace_hardirqs_off+0xb8/0x310
[  433.579894] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  433.584311]  __alloc_pages_slowpath+0x26e8/0x2e10
[  433.599552] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  433.603991]  ? warn_alloc+0x120/0x120
[  433.617915] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  433.622759]  ? warn_alloc+0x120/0x120
[  433.631575] 4380 total pagecache pages
[  433.635376]  ? __lock_acquire+0x62f/0x4c20
[  433.643937] 0 pages in swap cache
[  433.647776]  ? warn_alloc+0x120/0x120
[  433.651643] Swap cache stats: add 0, delete 0, find 0/0
[  433.655871]  ? print_usage_bug+0xc0/0xc0
[  433.659302] Free swap  = 0kB
[  433.663100]  ? print_usage_bug+0xc0/0xc0
[  433.668446] Total swap = 0kB
[  433.672504]  ? mark_held_locks+0x130/0x130
[  433.675505] 1965979 pages RAM
[  433.679564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.682571] 0 pages HighMem/MovableOnly
[  433.686815]  ? should_fail+0x22d/0xd01
[  433.689902] 342854 pages reserved
[  433.695433]  ? zap_class+0x640/0x640
[  433.699389] 0 pages cma reserved
[  433.703273]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.706893] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.710437]  ? __lock_acquire+0x62f/0x4c20
[  433.713786] kworker/0:2 cpuset=/ mems_allowed=0
[  433.718891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.743164]  ? should_fail+0x22d/0xd01
[  433.747097]  ? mark_held_locks+0x130/0x130
[  433.751341]  ? mark_held_locks+0x130/0x130
[  433.755576]  ? lock_downgrade+0x900/0x900
[  433.759746]  ? zap_class+0x640/0x640
[  433.763461]  ? zap_class+0x640/0x640
[  433.767178]  ? zap_class+0x640/0x640
[  433.770907]  ? do_raw_spin_unlock+0xa7/0x330
[  433.775341]  ? trace_hardirqs_on+0x310/0x310
[  433.779756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.785299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.790846]  ? check_preemption_disabled+0x48/0x280
[  433.795874]  ? __lock_is_held+0xb5/0x140
[  433.799959]  __alloc_pages_nodemask+0xa80/0xde0
[  433.804631]  ? zap_class+0x640/0x640
[  433.808356]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  433.813390]  ? find_held_lock+0x36/0x1c0
[  433.817466]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.822144]  ? lock_downgrade+0x900/0x900
[  433.826302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.831892]  cache_grow_begin+0xa5/0x8c0
[  433.835986]  ? do_raw_spin_unlock+0xa7/0x330
[  433.840425]  fallback_alloc+0x204/0x2e0
[  433.844420]  ____cache_alloc_node+0x1c7/0x1e0
[  433.848939]  kmem_cache_alloc_node+0xe3/0x730
[  433.853442]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.858049]  __alloc_skb+0x119/0x770
[  433.861764]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  433.867138]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.871560]  ? vprintk_default+0x28/0x30
[  433.875639]  ? vprintk_func+0x85/0x181
[  433.879548]  ? printk+0xa7/0xcf
[  433.882835]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  433.887609]  new_skb+0x26/0x1c0
[  433.890893]  aoecmd_cfg+0x279/0x7f0
[  433.894525]  ? find_held_lock+0x36/0x1c0
[  433.898592]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  433.902939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.908491]  ? __lock_is_held+0xb5/0x140
[  433.912569]  discover_timer+0x50/0x60
[  433.916370]  call_timer_fn+0x272/0x920
[  433.920264]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  433.925107]  ? process_timeout+0x40/0x40
[  433.929178]  ? __run_timers+0x7da/0xc70
[  433.933172]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.937666]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.942166]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  433.947014]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.951601]  ? trace_hardirqs_on+0xbd/0x310
[  433.955927]  ? kasan_check_read+0x11/0x20
[  433.960077]  ? __run_timers+0x7da/0xc70
[  433.964057]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.969188]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  433.974032]  __run_timers+0x7e5/0xc70
[  433.977847]  ? timer_fixup_init+0x70/0x70
[  433.982004]  ? lock_acquire+0x1ed/0x520
[  433.985982]  ? zap_class+0x640/0x640
[  433.989721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.995276]  ? kasan_check_read+0x11/0x20
[  433.999430]  ? do_raw_spin_lock+0x14f/0x350
[  434.003768]  ? find_held_lock+0x36/0x1c0
[  434.007836]  ? zap_class+0x640/0x640
[  434.012073]  ? pvclock_read_flags+0x160/0x160
[  434.016575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.022120]  ? check_preemption_disabled+0x48/0x280
[  434.027152]  ? __lock_is_held+0xb5/0x140
[  434.031223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.036771]  ? check_preemption_disabled+0x48/0x280
[  434.041810]  run_timer_softirq+0x52/0xb0
[  434.045876]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.050897]  __do_softirq+0x308/0xb7e
[  434.054708]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  434.059244]  ? lock_downgrade+0x900/0x900
[  434.063396]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.068515]  ? pvclock_read_flags+0x160/0x160
[  434.073017]  ? lapic_next_event+0x5a/0x90
[  434.077193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.082744]  ? kvm_clock_read+0x18/0x30
[  434.086721]  ? kvm_sched_clock_read+0x9/0x20
[  434.091142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.096688]  ? check_preemption_disabled+0x48/0x280
[  434.101720]  irq_exit+0x17f/0x1c0
[  434.105188]  smp_apic_timer_interrupt+0x1cb/0x760
[  434.110048]  ? smp_reschedule_interrupt+0x109/0x650
[  434.115075]  ? smp_call_function_single_interrupt+0x650/0x650
[  434.120960]  ? interrupt_entry+0xb5/0xc0
[  434.125037]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.130054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.135078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.139926]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.144948]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.149985]  ? task_prio+0x50/0x50
[  434.153535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.159088]  ? check_preemption_disabled+0x48/0x280
[  434.164119]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.168984]  apic_timer_interrupt+0xf/0x20
[  434.173229]  </IRQ>
[  434.175474] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  434.180419] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  434.199333] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  434.207049] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  434.214344] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  434.221620] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  434.228888] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  434.236156] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  434.243477]  skb_clone+0x1bb/0x500
[  434.247025]  ? finish_task_switch+0x1b4/0x910
[  434.251523]  ? skb_split+0x11e0/0x11e0
[  434.255433]  ? preempt_notifier_register+0x200/0x200
[  434.260542]  ? __switch_to_asm+0x34/0x70
[  434.264605]  ? __switch_to_asm+0x34/0x70
[  434.268669]  ? __switch_to_asm+0x40/0x70
[  434.272761]  ? __switch_to_asm+0x34/0x70
[  434.276824]  ? __switch_to_asm+0x40/0x70
[  434.280886]  ? __switch_to_asm+0x34/0x70
[  434.284945]  ? __switch_to_asm+0x40/0x70
[  434.289017]  ? __switch_to_asm+0x34/0x70
[  434.293082]  ? __switch_to_asm+0x34/0x70
[  434.297148]  ? __switch_to_asm+0x40/0x70
[  434.301207]  ? __switch_to_asm+0x34/0x70
[  434.305309]  bpf_clone_redirect+0xb9/0x490
[  434.309551]  ? __schedule+0x8d7/0x21d0
[  434.313478]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  434.318502]  ? __sched_text_start+0x8/0x8
[  434.322663]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  434.327252]  ? retint_kernel+0x2d/0x2d
[  434.331148]  ? trace_hardirqs_on_caller+0xc0/0x310
[  434.336087]  ? find_held_lock+0x36/0x1c0
[  434.340166]  ? lock_acquire+0x1ed/0x520
[  434.344147]  ? bpf_test_run+0x3cb/0x780
[  434.348127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.353675]  ? check_preemption_disabled+0x48/0x280
[  434.358716]  ? kasan_check_read+0x11/0x20
[  434.362890]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.368168]  ? rcu_softirq_qs+0x20/0x20
[  434.372170]  ? preempt_schedule+0x4d/0x60
[  434.376321]  ? ___preempt_schedule+0x16/0x18
[  434.380748]  ? bpf_test_run+0x25d/0x780
[  434.384743]  ? netlink_diag_dump+0x2a0/0x2a0
[  434.389159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.394710]  ? bpf_test_init.isra.10+0x70/0x100
[  434.399402]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  434.404171]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  434.409013]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  434.414550]  ? fput+0x130/0x1a0
[  434.417837]  ? __bpf_prog_get+0x9b/0x290
[  434.421908]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  434.426758]  ? bpf_prog_test_run+0x130/0x1a0
[  434.431174]  ? __x64_sys_bpf+0x3d8/0x520
[  434.435251]  ? bpf_prog_get+0x20/0x20
[  434.439081]  ? do_syscall_64+0x1b9/0x820
[  434.443155]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  434.448527]  ? syscall_return_slowpath+0x5e0/0x5e0
[  434.453461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.458312]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.463333]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  434.468353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.473892]  ? prepare_exit_to_usermode+0x291/0x3b0
[  434.478915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.483774]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  434.489188] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  434.489321] aoe: skb alloc failure
[  434.496319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  434.496343] Workqueue: events_power_efficient neigh_periodic_work
[  434.499926] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.509205] Call Trace:
[  434.515441] syz-executor1 cpuset=syz1 mems_allowed=0
[  434.525937]  <IRQ>
[  434.535785]  dump_stack+0x244/0x39d
[  434.539419]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.544627]  warn_alloc.cold.116+0xb7/0x1bd
[  434.548955]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.553814]  ? lock_downgrade+0x900/0x900
[  434.557972]  ? trace_hardirqs_off+0xb8/0x310
[  434.562404]  ? trace_hardirqs_off+0xb8/0x310
[  434.566822]  __alloc_pages_slowpath+0x26e8/0x2e10
[  434.571693]  ? warn_alloc+0x120/0x120
[  434.575501]  ? warn_alloc+0x120/0x120
[  434.579319]  ? warn_alloc+0x120/0x120
[  434.583127]  ? print_usage_bug+0xc0/0xc0
[  434.587188]  ? __lock_acquire+0x62f/0x4c20
[  434.591423]  ? __lock_acquire+0x62f/0x4c20
[  434.595659]  ? print_usage_bug+0xc0/0xc0
[  434.599721]  ? __lock_acquire+0x62f/0x4c20
[  434.603969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.609512]  ? should_fail+0x22d/0xd01
[  434.613412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.618521]  ? __lock_acquire+0x62f/0x4c20
[  434.622773]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.627902]  ? __lock_acquire+0x62f/0x4c20
[  434.632137]  ? should_fail+0x22d/0xd01
[  434.636038]  ? mark_held_locks+0x130/0x130
[  434.640282]  ? mark_held_locks+0x130/0x130
[  434.644515]  ? find_held_lock+0x36/0x1c0
[  434.648596]  ? zap_class+0x640/0x640
[  434.652325]  ? print_usage_bug+0xc0/0xc0
[  434.656388]  ? zap_class+0x640/0x640
[  434.660110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.665672]  ? check_preemption_disabled+0x48/0x280
[  434.670701]  ? __lock_is_held+0xb5/0x140
[  434.674802]  __alloc_pages_nodemask+0xa80/0xde0
[  434.679494]  ? zap_class+0x640/0x640
[  434.683213]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.688291]  ? find_held_lock+0x36/0x1c0
[  434.692363]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.697051]  ? lock_downgrade+0x900/0x900
[  434.701212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.706777]  cache_grow_begin+0xa5/0x8c0
[  434.710845]  ? do_raw_spin_unlock+0xa7/0x330
[  434.715267]  fallback_alloc+0x204/0x2e0
[  434.719256]  ____cache_alloc_node+0x1c7/0x1e0
[  434.723759]  kmem_cache_alloc_node+0xe3/0x730
[  434.728263]  ? ipv6_get_ifaddr+0x42e/0x620
[  434.732515]  __alloc_skb+0x119/0x770
[  434.736237]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.741523]  ? netdev_alloc_frag+0x1f0/0x1f0
[  434.745931]  ? lock_downgrade+0x900/0x900
[  434.750088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.755629]  ? refcount_sub_and_test_checked+0x203/0x310
[  434.761085]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  434.766540]  ? addrconf_rs_timer+0x690/0x690
[  434.770965]  ndisc_alloc_skb+0x144/0x340
[  434.775068]  ndisc_send_rs+0x331/0x6e0
[  434.778966]  addrconf_rs_timer+0x314/0x690
[  434.783211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.787485]  call_timer_fn+0x272/0x920
[  434.791373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.795611]  ? process_timeout+0x40/0x40
[  434.799690]  ? mark_held_locks+0xc7/0x130
[  434.803857]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.808350]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.812845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.817088]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.821681]  ? trace_hardirqs_on+0xbd/0x310
[  434.826009]  ? kasan_check_read+0x11/0x20
[  434.830160]  ? __run_timers+0x7da/0xc70
[  434.834137]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.839262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.843497]  __run_timers+0x7e5/0xc70
[  434.847315]  ? timer_fixup_init+0x70/0x70
[  434.851468]  ? lock_downgrade+0x900/0x900
[  434.855613]  ? zap_class+0x640/0x640
[  434.859341]  ? print_usage_bug+0xc0/0xc0
[  434.863406]  ? trace_hardirqs_on+0x310/0x310
[  434.867830]  ? kvm_clock_read+0x18/0x30
[  434.871819]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  434.876848]  ? ktime_get+0x2c1/0x400
[  434.880578]  ? zap_class+0x640/0x640
[  434.884300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.889845]  ? check_preemption_disabled+0x48/0x280
[  434.894877]  ? __lock_is_held+0xb5/0x140
[  434.898943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.905010]  ? check_preemption_disabled+0x48/0x280
[  434.910059]  run_timer_softirq+0x52/0xb0
[  434.914138]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.919160]  __do_softirq+0x308/0xb7e
[  434.922977]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.928078]  ? irq_exit+0xbd/0x1c0
[  434.931621]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  434.936654]  ? smp_call_function_single_interrupt+0x650/0x650
[  434.942546]  ? ret_from_intr+0xb/0x1e
[  434.946356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.951390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.956250]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.961266]  ? task_prio+0x50/0x50
[  434.964809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.970351]  ? check_preemption_disabled+0x48/0x280
[  434.975379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.980260]  ? neigh_periodic_work+0x6bd/0xc60
[  434.984863]  do_softirq_own_stack+0x2a/0x40
[  434.989181]  </IRQ>
[  434.991438]  do_softirq.part.14+0x126/0x160
[  434.995775]  __local_bh_enable_ip+0x21d/0x260
[  435.000302]  _raw_write_unlock_bh+0x30/0x40
[  435.004628]  neigh_periodic_work+0x6bd/0xc60
[  435.009051]  ? neigh_table_clear+0x390/0x390
[  435.013468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.019021]  ? check_preemption_disabled+0x48/0x280
[  435.024051]  ? __lock_is_held+0xb5/0x140
[  435.028135]  process_one_work+0xc90/0x1c40
[  435.032375]  ? mark_held_locks+0x130/0x130
[  435.036626]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  435.041298]  ? __switch_to_asm+0x40/0x70
[  435.045367]  ? __switch_to_asm+0x40/0x70
[  435.049428]  ? __switch_to_asm+0x34/0x70
[  435.053487]  ? __switch_to_asm+0x40/0x70
[  435.057549]  ? __switch_to_asm+0x34/0x70
[  435.061606]  ? __switch_to_asm+0x40/0x70
[  435.065694]  ? __switch_to_asm+0x34/0x70
[  435.069781]  ? __switch_to_asm+0x40/0x70
[  435.073869]  ? __schedule+0x8d7/0x21d0
[  435.077761]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.082793]  ? lock_downgrade+0x900/0x900
[  435.086950]  ? zap_class+0x640/0x640
[  435.090674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.095529]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  435.100131]  ? lock_acquire+0x1ed/0x520
[  435.104107]  ? worker_thread+0x3e0/0x1390
[  435.108281]  ? kasan_check_read+0x11/0x20
[  435.112429]  ? do_raw_spin_lock+0x14f/0x350
[  435.116769]  ? kasan_check_read+0x11/0x20
[  435.120948]  ? rwlock_bug.part.2+0x90/0x90
[  435.125209]  ? trace_hardirqs_on+0x310/0x310
[  435.129645]  worker_thread+0x17f/0x1390
[  435.133624]  ? __switch_to_asm+0x34/0x70
[  435.137701]  ? process_one_work+0x1c40/0x1c40
[  435.142209]  ? zap_class+0x640/0x640
[  435.145943]  ? find_held_lock+0x36/0x1c0
[  435.150048]  ? __kthread_parkme+0xce/0x1a0
[  435.154291]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.159397]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.164524]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  435.169113]  ? trace_hardirqs_on+0xbd/0x310
[  435.173438]  ? kasan_check_read+0x11/0x20
[  435.177604]  ? __kthread_parkme+0xce/0x1a0
[  435.181851]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.186960]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.192084]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  435.197190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.202734]  ? __kthread_parkme+0xfb/0x1a0
[  435.206985]  ? process_one_work+0x1c40/0x1c40
[  435.211481]  kthread+0x35a/0x440
[  435.214851]  ? kthread_stop+0x900/0x900
[  435.218830]  ret_from_fork+0x3a/0x50
[  435.222568] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  435.222574] warn_alloc_show_mem: 1 callbacks suppressed
[  435.222581] Mem-Info:
[  435.229949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.235328] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  435.235328]  active_file:16 inactive_file:3 isolated_file:0
[  435.235328]  unevictable:0 dirty:0 writeback:0 unstable:0
[  435.235328]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  435.235328]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  435.235328]  free:13690 free_pcp:879 free_cma:0
[  435.237703] Call Trace:
[  435.247097] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  435.280040]  <IRQ>
[  435.282621] 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
[  435.310485]  dump_stack+0x244/0x39d
[  435.312618] lowmem_reserve[]: 0 2818 6321 6321
[  435.338841]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.342446] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  435.347045]  warn_alloc.cold.116+0xb7/0x1bd
[  435.352207] lowmem_reserve[]: 0 0 3503 3503
[  435.379804]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.384105] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  435.388432]  ? lock_downgrade+0x900/0x900
[  435.393252] lowmem_reserve[]: 0 0 0 0
[  435.422614]  ? trace_hardirqs_off+0xb8/0x310
[  435.426746] 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
[  435.430557]  ? trace_hardirqs_off+0xb8/0x310
[  435.434947] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  435.448487]  __alloc_pages_slowpath+0x26e8/0x2e10
[  435.452871] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  435.468172]  ? warn_alloc+0x120/0x120
[  435.472979] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  435.486954]  ? warn_alloc+0x120/0x120
[  435.490752] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  435.499588]  ? warn_alloc+0x120/0x120
[  435.503371] 4380 total pagecache pages
[  435.511969]  ? print_usage_bug+0xc0/0xc0
[  435.515768] 0 pages in swap cache
[  435.519650]  ? print_usage_bug+0xc0/0xc0
[  435.523708] Swap cache stats: add 0, delete 0, find 0/0
[  435.527162]  ? ktime_get+0x2c1/0x400
[  435.531201] Free swap  = 0kB
[  435.536566]  ? check_preemption_disabled+0x48/0x280
[  435.540248] Total swap = 0kB
[  435.540257] 1965979 pages RAM
[  435.543282]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  435.543301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.548298] 0 pages HighMem/MovableOnly
[  435.551315]  ? should_fail+0x22d/0xd01
[  435.554419] 342854 pages reserved
[  435.558920]  ? kasan_check_read+0x11/0x20
[  435.564439] 0 pages cma reserved
[  435.568417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.572356] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  435.575746]  ? __lock_acquire+0x62f/0x4c20
[  435.579998] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  435.583230]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.588320] kworker/0:2 cpuset=/ mems_allowed=0
[  435.594817]  ? should_fail+0x22d/0xd01
[  435.622975]  ? print_usage_bug+0xc0/0xc0
[  435.627055]  ? mark_held_locks+0x130/0x130
[  435.631302]  ? mark_held_locks+0x130/0x130
[  435.635545]  ? check_preemption_disabled+0x48/0x280
[  435.640575]  ? zap_class+0x640/0x640
[  435.644296]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  435.649059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.654607]  ? check_preemption_disabled+0x48/0x280
[  435.659639]  ? __lock_is_held+0xb5/0x140
[  435.663710]  __alloc_pages_nodemask+0xa80/0xde0
[  435.668387]  ? zap_class+0x640/0x640
[  435.672114]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  435.677145]  ? find_held_lock+0x36/0x1c0
[  435.681221]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.685897]  ? lock_downgrade+0x900/0x900
[  435.690061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.695609]  cache_grow_begin+0xa5/0x8c0
[  435.699681]  ? do_raw_spin_unlock+0xa7/0x330
[  435.704105]  fallback_alloc+0x204/0x2e0
[  435.708089]  ____cache_alloc_node+0x1c7/0x1e0
[  435.712595]  kmem_cache_alloc_node+0xe3/0x730
[  435.717098]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.721694]  __alloc_skb+0x119/0x770
[  435.725426]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  435.730797]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.735227]  ? vprintk_default+0x28/0x30
[  435.739297]  ? vprintk_func+0x85/0x181
[  435.743188]  ? printk+0xa7/0xcf
[  435.746471]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  435.751242]  new_skb+0x26/0x1c0
[  435.754533]  aoecmd_cfg+0x279/0x7f0
[  435.758168]  ? find_held_lock+0x36/0x1c0
[  435.762234]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  435.766568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.772120]  ? __lock_is_held+0xb5/0x140
[  435.776200]  discover_timer+0x50/0x60
[  435.780006]  call_timer_fn+0x272/0x920
[  435.783898]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  435.788752]  ? process_timeout+0x40/0x40
[  435.792823]  ? __run_timers+0x7da/0xc70
[  435.796805]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.801301]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.805795]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  435.810644]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.815230]  ? trace_hardirqs_on+0xbd/0x310
[  435.819556]  ? kasan_check_read+0x11/0x20
[  435.823704]  ? __run_timers+0x7da/0xc70
[  435.827685]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.832806]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  435.837651]  __run_timers+0x7e5/0xc70
[  435.841466]  ? timer_fixup_init+0x70/0x70
[  435.845618]  ? lock_acquire+0x1ed/0x520
[  435.849637]  ? zap_class+0x640/0x640
[  435.853355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.858912]  ? kasan_check_read+0x11/0x20
[  435.863065]  ? do_raw_spin_lock+0x14f/0x350
[  435.867401]  ? find_held_lock+0x36/0x1c0
[  435.871470]  ? zap_class+0x640/0x640
[  435.875193]  ? pvclock_read_flags+0x160/0x160
[  435.879706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.885255]  ? check_preemption_disabled+0x48/0x280
[  435.890284]  ? __lock_is_held+0xb5/0x140
[  435.894356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.899900]  ? check_preemption_disabled+0x48/0x280
[  435.904926]  run_timer_softirq+0x52/0xb0
[  435.909005]  ? rcu_read_lock_sched_held+0x14f/0x180
[  435.914030]  __do_softirq+0x308/0xb7e
[  435.917848]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  435.922352]  ? lock_downgrade+0x900/0x900
[  435.926509]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  435.931641]  ? pvclock_read_flags+0x160/0x160
[  435.936141]  ? lapic_next_event+0x5a/0x90
[  435.940317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.945867]  ? kvm_clock_read+0x18/0x30
[  435.949845]  ? kvm_sched_clock_read+0x9/0x20
[  435.954258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.959803]  ? check_preemption_disabled+0x48/0x280
[  435.964835]  irq_exit+0x17f/0x1c0
[  435.968295]  smp_apic_timer_interrupt+0x1cb/0x760
[  435.973165]  ? smp_reschedule_interrupt+0x109/0x650
[  435.978209]  ? smp_call_function_single_interrupt+0x650/0x650
[  435.984104]  ? interrupt_entry+0xb5/0xc0
[  435.988171]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.993193]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.998214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.003073]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.008088]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.013627]  ? task_prio+0x50/0x50
[  436.017173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.022717]  ? check_preemption_disabled+0x48/0x280
[  436.027756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.032621]  apic_timer_interrupt+0xf/0x20
[  436.036853]  </IRQ>
[  436.039096] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  436.044030] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  436.062938] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  436.070682] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  436.077981] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  436.085249] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  436.092515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  436.099784] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  436.107109]  skb_clone+0x1bb/0x500
[  436.110653]  ? finish_task_switch+0x1b4/0x910
[  436.115157]  ? skb_split+0x11e0/0x11e0
[  436.119049]  ? preempt_notifier_register+0x200/0x200
[  436.124169]  ? __switch_to_asm+0x34/0x70
[  436.128235]  ? __switch_to_asm+0x34/0x70
[  436.132323]  ? __switch_to_asm+0x40/0x70
[  436.136393]  ? __switch_to_asm+0x34/0x70
[  436.140454]  ? __switch_to_asm+0x40/0x70
[  436.144514]  ? __switch_to_asm+0x34/0x70
[  436.148577]  ? __switch_to_asm+0x40/0x70
[  436.152663]  ? __switch_to_asm+0x34/0x70
[  436.156723]  ? __switch_to_asm+0x34/0x70
[  436.160790]  ? __switch_to_asm+0x40/0x70
[  436.164855]  ? __switch_to_asm+0x34/0x70
[  436.168930]  bpf_clone_redirect+0xb9/0x490
[  436.173176]  ? __schedule+0x8d7/0x21d0
[  436.177075]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  436.182097]  ? __sched_text_start+0x8/0x8
[  436.186257]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.190854]  ? retint_kernel+0x2d/0x2d
[  436.194746]  ? trace_hardirqs_on_caller+0xc0/0x310
[  436.199710]  ? find_held_lock+0x36/0x1c0
[  436.203792]  ? lock_acquire+0x1ed/0x520
[  436.207772]  ? bpf_test_run+0x3cb/0x780
[  436.211759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.217301]  ? check_preemption_disabled+0x48/0x280
[  436.222326]  ? kasan_check_read+0x11/0x20
[  436.226476]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.231762]  ? rcu_softirq_qs+0x20/0x20
[  436.235754]  ? preempt_schedule+0x4d/0x60
[  436.239906]  ? ___preempt_schedule+0x16/0x18
[  436.244359]  ? bpf_test_run+0x25d/0x780
[  436.248349]  ? netlink_diag_dump+0x2a0/0x2a0
[  436.252777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.258342]  ? bpf_test_init.isra.10+0x70/0x100
[  436.263018]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  436.267795]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  436.272638]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  436.278177]  ? fput+0x130/0x1a0
[  436.281458]  ? __bpf_prog_get+0x9b/0x290
[  436.285525]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  436.290368]  ? bpf_prog_test_run+0x130/0x1a0
[  436.294782]  ? __x64_sys_bpf+0x3d8/0x520
[  436.298844]  ? bpf_prog_get+0x20/0x20
[  436.302674]  ? do_syscall_64+0x1b9/0x820
[  436.306757]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  436.312131]  ? syscall_return_slowpath+0x5e0/0x5e0
[  436.317062]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.321906]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.326926]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  436.331972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.337514]  ? prepare_exit_to_usermode+0x291/0x3b0
[  436.342537]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.347393]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  436.352783] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  436.352874] aoe: skb alloc failure
[  436.359896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  436.359922] Workqueue: events_power_efficient neigh_periodic_work
[  436.359929] Call Trace:
[  436.359941]  <IRQ>
[  436.363586] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.372880]  dump_stack+0x244/0x39d
[  436.379092] syz-executor1 cpuset=syz1 mems_allowed=0
[  436.381685]  ? dump_stack_print_info.cold.1+0x20/0x20
[  436.408191]  warn_alloc.cold.116+0xb7/0x1bd
[  436.412525]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  436.417402]  ? lock_downgrade+0x900/0x900
[  436.421586]  ? trace_hardirqs_off+0xb8/0x310
[  436.426007]  ? trace_hardirqs_off+0xb8/0x310
[  436.430426]  __alloc_pages_slowpath+0x26e8/0x2e10
[  436.435305]  ? warn_alloc+0x120/0x120
[  436.439199]  ? print_usage_bug+0xc0/0xc0
[  436.443277]  ? warn_alloc+0x120/0x120
[  436.447086]  ? warn_alloc+0x120/0x120
[  436.450900]  ? print_usage_bug+0xc0/0xc0
[  436.454966]  ? kvm_clock_read+0x18/0x30
[  436.458949]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  436.463971]  ? print_usage_bug+0xc0/0xc0
[  436.468039]  ? __lock_acquire+0x62f/0x4c20
[  436.472283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.477825]  ? should_fail+0x22d/0xd01
[  436.481739]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.487024]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.492130]  ? __lock_acquire+0x62f/0x4c20
[  436.496370]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.501474]  ? __lock_acquire+0x62f/0x4c20
[  436.505708]  ? should_fail+0x22d/0xd01
[  436.509598]  ? rcu_irq_exit+0x1a2/0x390
[  436.513587]  ? mark_held_locks+0x130/0x130
[  436.517830]  ? mark_held_locks+0x130/0x130
[  436.522078]  ? mark_held_locks+0xc7/0x130
[  436.526253]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  436.531275]  ? zap_class+0x640/0x640
[  436.534992]  ? print_usage_bug+0xc0/0xc0
[  436.539065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.544608]  ? check_preemption_disabled+0x48/0x280
[  436.549649]  ? __lock_is_held+0xb5/0x140
[  436.553743]  __alloc_pages_nodemask+0xa80/0xde0
[  436.558419]  ? zap_class+0x640/0x640
[  436.562146]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  436.567180]  ? find_held_lock+0x36/0x1c0
[  436.571268]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.575946]  ? lock_downgrade+0x900/0x900
[  436.580133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.585681]  cache_grow_begin+0xa5/0x8c0
[  436.589751]  ? do_raw_spin_unlock+0xa7/0x330
[  436.594172]  fallback_alloc+0x204/0x2e0
[  436.598159]  ____cache_alloc_node+0x1c7/0x1e0
[  436.602663]  kmem_cache_alloc_node+0xe3/0x730
[  436.607166]  ? ipv6_get_ifaddr+0x42e/0x620
[  436.611413]  __alloc_skb+0x119/0x770
[  436.615155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.620458]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.624876]  ? lock_downgrade+0x900/0x900
[  436.629039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.634584]  ? refcount_sub_and_test_checked+0x203/0x310
[  436.640041]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  436.645499]  ? addrconf_rs_timer+0x690/0x690
[  436.649927]  ndisc_alloc_skb+0x144/0x340
[  436.654000]  ndisc_send_rs+0x331/0x6e0
[  436.657895]  addrconf_rs_timer+0x314/0x690
[  436.662149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.666399]  call_timer_fn+0x272/0x920
[  436.670293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.674532]  ? process_timeout+0x40/0x40
[  436.678609]  ? mark_held_locks+0xc7/0x130
[  436.682761]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.687259]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.691760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.695999]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.700602]  ? trace_hardirqs_on+0xbd/0x310
[  436.704927]  ? kasan_check_read+0x11/0x20
[  436.709080]  ? __run_timers+0x7da/0xc70
[  436.713060]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.718169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.722411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.726669]  __run_timers+0x7e5/0xc70
[  436.730485]  ? timer_fixup_init+0x70/0x70
[  436.734639]  ? lock_downgrade+0x900/0x900
[  436.738789]  ? zap_class+0x640/0x640
[  436.742518]  ? print_usage_bug+0xc0/0xc0
[  436.746600]  ? trace_hardirqs_on+0x310/0x310
[  436.751026]  ? kvm_clock_read+0x18/0x30
[  436.755002]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  436.760062]  ? ktime_get+0x2c1/0x400
[  436.763803]  ? zap_class+0x640/0x640
[  436.767527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.773072]  ? check_preemption_disabled+0x48/0x280
[  436.778138]  ? __lock_is_held+0xb5/0x140
[  436.782202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.787752]  ? check_preemption_disabled+0x48/0x280
[  436.792781]  run_timer_softirq+0x52/0xb0
[  436.796846]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.801867]  __do_softirq+0x308/0xb7e
[  436.805680]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.810793]  ? irq_exit+0xbd/0x1c0
[  436.814336]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  436.819356]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.825254]  ? ret_from_intr+0xb/0x1e
[  436.829061]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.834086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.838938]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.843962]  ? task_prio+0x50/0x50
[  436.847513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.853058]  ? check_preemption_disabled+0x48/0x280
[  436.858084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.862938]  ? neigh_periodic_work+0x6bd/0xc60
[  436.867527]  do_softirq_own_stack+0x2a/0x40
[  436.871849]  </IRQ>
[  436.874090]  do_softirq.part.14+0x126/0x160
[  436.878413]  __local_bh_enable_ip+0x21d/0x260
[  436.882914]  _raw_write_unlock_bh+0x30/0x40
[  436.887333]  neigh_periodic_work+0x6bd/0xc60
[  436.891761]  ? neigh_table_clear+0x390/0x390
[  436.896182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.901727]  ? check_preemption_disabled+0x48/0x280
[  436.907281]  ? __lock_is_held+0xb5/0x140
[  436.911453]  process_one_work+0xc90/0x1c40
[  436.915693]  ? mark_held_locks+0x130/0x130
[  436.919947]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  436.924618]  ? __switch_to_asm+0x40/0x70
[  436.928679]  ? __switch_to_asm+0x40/0x70
[  436.932739]  ? __switch_to_asm+0x34/0x70
[  436.936799]  ? __switch_to_asm+0x40/0x70
[  436.940860]  ? __switch_to_asm+0x34/0x70
[  436.944935]  ? __switch_to_asm+0x40/0x70
[  436.949001]  ? __switch_to_asm+0x34/0x70
[  436.953065]  ? __switch_to_asm+0x40/0x70
[  436.957139]  ? __schedule+0x8d7/0x21d0
[  436.961034]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.966067]  ? lock_downgrade+0x900/0x900
[  436.970234]  ? zap_class+0x640/0x640
[  436.973956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.978818]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.983419]  ? lock_acquire+0x1ed/0x520
[  436.987399]  ? worker_thread+0x3e0/0x1390
[  436.991560]  ? kasan_check_read+0x11/0x20
[  436.995710]  ? do_raw_spin_lock+0x14f/0x350
[  437.000035]  ? kasan_check_read+0x11/0x20
[  437.004190]  ? rwlock_bug.part.2+0x90/0x90
[  437.008429]  ? trace_hardirqs_on+0x310/0x310
[  437.012854]  worker_thread+0x17f/0x1390
[  437.016832]  ? __switch_to_asm+0x34/0x70
[  437.020910]  ? process_one_work+0x1c40/0x1c40
[  437.025419]  ? zap_class+0x640/0x640
[  437.029167]  ? find_held_lock+0x36/0x1c0
[  437.033263]  ? __kthread_parkme+0xce/0x1a0
[  437.037505]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.042609]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.047716]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.052310]  ? trace_hardirqs_on+0xbd/0x310
[  437.056634]  ? kasan_check_read+0x11/0x20
[  437.061769]  ? __kthread_parkme+0xce/0x1a0
[  437.066012]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.071122]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.076240]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  437.081348]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.086890]  ? __kthread_parkme+0xfb/0x1a0
[  437.091129]  ? process_one_work+0x1c40/0x1c40
[  437.095625]  kthread+0x35a/0x440
[  437.099002]  ? kthread_stop+0x900/0x900
[  437.102988]  ret_from_fork+0x3a/0x50
[  437.106732] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  437.106739] warn_alloc_show_mem: 1 callbacks suppressed
[  437.106746] Mem-Info:
[  437.114118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.119489] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  437.119489]  active_file:16 inactive_file:3 isolated_file:0
[  437.119489]  unevictable:0 dirty:0 writeback:0 unstable:0
[  437.119489]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  437.119489]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  437.119489]  free:13690 free_pcp:879 free_cma:0
[  437.121885] Call Trace:
[  437.131276] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  437.164215]  <IRQ>
[  437.166801] 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
[  437.194656]  dump_stack+0x244/0x39d
[  437.196782] lowmem_reserve[]: 0 2818 6321 6321
[  437.222904]  ? dump_stack_print_info.cold.1+0x20/0x20
[  437.226510] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  437.231100]  warn_alloc.cold.116+0xb7/0x1bd
[  437.236268] lowmem_reserve[]: 0 0 3503 3503
[  437.263875]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  437.268187] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  437.272509]  ? lock_downgrade+0x900/0x900
[  437.277328] lowmem_reserve[]: 0 0 0 0
[  437.306667]  ? trace_hardirqs_off+0xb8/0x310
[  437.310793] 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
[  437.314594]  ? trace_hardirqs_off+0xb8/0x310
[  437.318984] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  437.332514]  __alloc_pages_slowpath+0x26e8/0x2e10
[  437.336893] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  437.352214]  ? warn_alloc+0x120/0x120
[  437.357024] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  437.370983]  ? warn_alloc+0x120/0x120
[  437.374787] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  437.374797] 4380 total pagecache pages
[  437.383638]  ? warn_alloc+0x120/0x120
[  437.387425] 0 pages in swap cache
[  437.395986]  ? mark_held_locks+0x130/0x130
[  437.396003]  ? print_usage_bug+0xc0/0xc0
[  437.399882] Swap cache stats: add 0, delete 0, find 0/0
[  437.403684]  ? print_usage_bug+0xc0/0xc0
[  437.407114] Free swap  = 0kB
[  437.411353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.415389] Total swap = 0kB
[  437.420757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.424803] 1965979 pages RAM
[  437.427839]  ? should_fail+0x22d/0xd01
[  437.433351] 0 pages HighMem/MovableOnly
[  437.433360] 342854 pages reserved
[  437.436379]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.441895] 0 pages cma reserved
[  437.445001]  ? __lock_acquire+0x62f/0x4c20
[  437.448953] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  437.452840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.456353] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  437.461386]  ? __lock_acquire+0x62f/0x4c20
[  437.464734] kworker/0:2 cpuset=/ mems_allowed=0
[  437.468972]  ? should_fail+0x22d/0xd01
[  437.468998]  ? mark_held_locks+0x130/0x130
[  437.507856]  ? mark_held_locks+0x130/0x130
[  437.512121]  ? trace_hardirqs_on+0x310/0x310
[  437.516535]  ? wq_watchdog_touch+0x9c/0xfe
[  437.520779]  ? zap_class+0x640/0x640
[  437.524519]  ? print_usage_bug+0xc0/0xc0
[  437.528582]  ? find_held_lock+0x36/0x1c0
[  437.532650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.538192]  ? check_preemption_disabled+0x48/0x280
[  437.543234]  ? __lock_is_held+0xb5/0x140
[  437.547309]  __alloc_pages_nodemask+0xa80/0xde0
[  437.551995]  ? zap_class+0x640/0x640
[  437.555721]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  437.560773]  ? find_held_lock+0x36/0x1c0
[  437.564886]  ? ____cache_alloc_node+0x1c7/0x1e0
[  437.569559]  ? lock_downgrade+0x900/0x900
[  437.573719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.579276]  cache_grow_begin+0xa5/0x8c0
[  437.583338]  ? do_raw_spin_unlock+0xa7/0x330
[  437.587762]  fallback_alloc+0x204/0x2e0
[  437.591782]  ____cache_alloc_node+0x1c7/0x1e0
[  437.596285]  kmem_cache_alloc_node+0xe3/0x730
[  437.600785]  ? ipv6_get_ifaddr+0x42e/0x620
[  437.605034]  __alloc_skb+0x119/0x770
[  437.608757]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.614043]  ? netdev_alloc_frag+0x1f0/0x1f0
[  437.618459]  ? lock_downgrade+0x900/0x900
[  437.622620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.628162]  ? refcount_sub_and_test_checked+0x203/0x310
[  437.633620]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  437.639074]  ? addrconf_rs_timer+0x690/0x690
[  437.643500]  ndisc_alloc_skb+0x144/0x340
[  437.647573]  ndisc_send_rs+0x331/0x6e0
[  437.651471]  addrconf_rs_timer+0x314/0x690
[  437.655715]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.659971]  call_timer_fn+0x272/0x920
[  437.663864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.668129]  ? process_timeout+0x40/0x40
[  437.672231]  ? __run_timers+0x7da/0xc70
[  437.676226]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.680724]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.685225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.689467]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.694087]  ? trace_hardirqs_on+0xbd/0x310
[  437.698409]  ? kasan_check_read+0x11/0x20
[  437.702560]  ? __run_timers+0x7da/0xc70
[  437.706548]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.711662]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  437.716517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.720755]  __run_timers+0x7e5/0xc70
[  437.724573]  ? timer_fixup_init+0x70/0x70
[  437.728734]  ? lock_acquire+0x1ed/0x520
[  437.732711]  ? zap_class+0x640/0x640
[  437.736434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.741980]  ? kasan_check_read+0x11/0x20
[  437.746136]  ? do_raw_spin_lock+0x14f/0x350
[  437.750472]  ? find_held_lock+0x36/0x1c0
[  437.754546]  ? zap_class+0x640/0x640
[  437.758274]  ? pvclock_read_flags+0x160/0x160
[  437.762779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.768324]  ? check_preemption_disabled+0x48/0x280
[  437.773377]  ? __lock_is_held+0xb5/0x140
[  437.777443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.782987]  ? check_preemption_disabled+0x48/0x280
[  437.788034]  run_timer_softirq+0x52/0xb0
[  437.792104]  ? rcu_read_lock_sched_held+0x14f/0x180
[  437.797126]  __do_softirq+0x308/0xb7e
[  437.800934]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  437.805432]  ? lock_downgrade+0x900/0x900
[  437.809587]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  437.814701]  ? pvclock_read_flags+0x160/0x160
[  437.819205]  ? lapic_next_event+0x5a/0x90
[  437.823362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.828912]  ? kvm_clock_read+0x18/0x30
[  437.832916]  ? kvm_sched_clock_read+0x9/0x20
[  437.837333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.842875]  ? check_preemption_disabled+0x48/0x280
[  437.847906]  irq_exit+0x17f/0x1c0
[  437.851362]  smp_apic_timer_interrupt+0x1cb/0x760
[  437.856203]  ? smp_reschedule_interrupt+0x109/0x650
[  437.861250]  ? smp_call_function_single_interrupt+0x650/0x650
[  437.867139]  ? interrupt_entry+0xb5/0xc0
[  437.871205]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.876250]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.881275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.886126]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.891147]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.896169]  ? task_prio+0x50/0x50
[  437.899714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.905269]  ? check_preemption_disabled+0x48/0x280
[  437.910295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.915164]  apic_timer_interrupt+0xf/0x20
[  437.919395]  </IRQ>
[  437.921641] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  437.926576] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  437.945497] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  437.953213] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  437.960482] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  437.967758] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  437.975026] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  437.982296] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  437.989618]  skb_clone+0x1bb/0x500
[  437.993167]  ? finish_task_switch+0x1b4/0x910
[  437.997667]  ? skb_split+0x11e0/0x11e0
[  438.001559]  ? preempt_notifier_register+0x200/0x200
[  438.006667]  ? __switch_to_asm+0x34/0x70
[  438.011197]  ? __switch_to_asm+0x34/0x70
[  438.015266]  ? __switch_to_asm+0x40/0x70
[  438.019327]  ? __switch_to_asm+0x34/0x70
[  438.023389]  ? __switch_to_asm+0x40/0x70
[  438.027451]  ? __switch_to_asm+0x34/0x70
[  438.031511]  ? __switch_to_asm+0x40/0x70
[  438.035571]  ? __switch_to_asm+0x34/0x70
[  438.039635]  ? __switch_to_asm+0x34/0x70
[  438.043694]  ? __switch_to_asm+0x40/0x70
[  438.047758]  ? __switch_to_asm+0x34/0x70
[  438.051827]  bpf_clone_redirect+0xb9/0x490
[  438.056068]  ? __schedule+0x8d7/0x21d0
[  438.059973]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  438.064999]  ? __sched_text_start+0x8/0x8
[  438.069155]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.073743]  ? retint_kernel+0x2d/0x2d
[  438.077637]  ? trace_hardirqs_on_caller+0xc0/0x310
[  438.082578]  ? find_held_lock+0x36/0x1c0
[  438.086652]  ? lock_acquire+0x1ed/0x520
[  438.090630]  ? bpf_test_run+0x3cb/0x780
[  438.094615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.100158]  ? check_preemption_disabled+0x48/0x280
[  438.105189]  ? kasan_check_read+0x11/0x20
[  438.109343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.114624]  ? rcu_softirq_qs+0x20/0x20
[  438.118604]  ? preempt_schedule+0x4d/0x60
[  438.122758]  ? ___preempt_schedule+0x16/0x18
[  438.127177]  ? bpf_test_run+0x25d/0x780
[  438.131168]  ? netlink_diag_dump+0x2a0/0x2a0
[  438.135586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.141123]  ? bpf_test_init.isra.10+0x70/0x100
[  438.145828]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  438.150607]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.155456]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  438.161002]  ? fput+0x130/0x1a0
[  438.164290]  ? __bpf_prog_get+0x9b/0x290
[  438.168359]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.173201]  ? bpf_prog_test_run+0x130/0x1a0
[  438.177619]  ? __x64_sys_bpf+0x3d8/0x520
[  438.181700]  ? bpf_prog_get+0x20/0x20
[  438.185543]  ? do_syscall_64+0x1b9/0x820
[  438.189605]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  438.194984]  ? syscall_return_slowpath+0x5e0/0x5e0
[  438.199916]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.204786]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.209823]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  438.214877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.220418]  ? prepare_exit_to_usermode+0x291/0x3b0
[  438.225448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.230300]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  438.235687] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  438.235783] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  438.242800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  438.242824] Workqueue: events_power_efficient neigh_periodic_work
[  438.242831] Call Trace:
[  438.242841]  <IRQ>
[  438.249424] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.258691]  dump_stack+0x244/0x39d
[  438.264923] syz-executor1 cpuset=syz1 mems_allowed=0
[  438.267512]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.294030]  warn_alloc.cold.116+0xb7/0x1bd
[  438.298358]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.303213]  ? lock_downgrade+0x900/0x900
[  438.307395]  ? trace_hardirqs_off+0xb8/0x310
[  438.311812]  ? trace_hardirqs_off+0xb8/0x310
[  438.316237]  __alloc_pages_slowpath+0x26e8/0x2e10
[  438.321113]  ? warn_alloc+0x120/0x120
[  438.324919]  ? print_usage_bug+0xc0/0xc0
[  438.328987]  ? warn_alloc+0x120/0x120
[  438.332797]  ? warn_alloc+0x120/0x120
[  438.336603]  ? print_usage_bug+0xc0/0xc0
[  438.340691]  ? print_usage_bug+0xc0/0xc0
[  438.344762]  ? __lock_acquire+0x62f/0x4c20
[  438.349008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.354550]  ? should_fail+0x22d/0xd01
[  438.358443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.363554]  ? __lock_acquire+0x62f/0x4c20
[  438.367796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.372900]  ? __lock_acquire+0x62f/0x4c20
[  438.377157]  ? should_fail+0x22d/0xd01
[  438.381049]  ? find_held_lock+0x36/0x1c0
[  438.385121]  ? mark_held_locks+0x130/0x130
[  438.389367]  ? mark_held_locks+0x130/0x130
[  438.393604]  ? zap_class+0x640/0x640
[  438.397320]  ? zap_class+0x640/0x640
[  438.401038]  ? print_usage_bug+0xc0/0xc0
[  438.405104]  ? do_raw_spin_unlock+0xa7/0x330
[  438.409514]  ? zap_class+0x640/0x640
[  438.413235]  ? print_usage_bug+0xc0/0xc0
[  438.417300]  ? wq_watchdog_touch+0x9c/0xfe
[  438.421546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.427086]  ? check_preemption_disabled+0x48/0x280
[  438.432115]  ? __lock_is_held+0xb5/0x140
[  438.436187]  __alloc_pages_nodemask+0xa80/0xde0
[  438.440857]  ? zap_class+0x640/0x640
[  438.444582]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  438.449614]  ? find_held_lock+0x36/0x1c0
[  438.453686]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.458373]  ? lock_downgrade+0x900/0x900
[  438.462532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.468078]  cache_grow_begin+0xa5/0x8c0
[  438.472172]  ? do_raw_spin_unlock+0xa7/0x330
[  438.476592]  fallback_alloc+0x204/0x2e0
[  438.480575]  ____cache_alloc_node+0x1c7/0x1e0
[  438.485080]  kmem_cache_alloc_node+0xe3/0x730
[  438.489580]  ? ipv6_get_ifaddr+0x42e/0x620
[  438.493832]  __alloc_skb+0x119/0x770
[  438.497548]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.502836]  ? netdev_alloc_frag+0x1f0/0x1f0
[  438.507259]  ? lock_downgrade+0x900/0x900
[  438.511434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.516984]  ? refcount_sub_and_test_checked+0x203/0x310
[  438.522446]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  438.527905]  ? addrconf_rs_timer+0x690/0x690
[  438.532334]  ndisc_alloc_skb+0x144/0x340
[  438.536404]  ndisc_send_rs+0x331/0x6e0
[  438.540304]  addrconf_rs_timer+0x314/0x690
[  438.544548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.548796]  call_timer_fn+0x272/0x920
[  438.552685]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.556924]  ? process_timeout+0x40/0x40
[  438.560996]  ? mark_held_locks+0xc7/0x130
[  438.565153]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.569651]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.574144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.578380]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.582966]  ? trace_hardirqs_on+0xbd/0x310
[  438.587296]  ? kasan_check_read+0x11/0x20
[  438.591443]  ? __run_timers+0x7da/0xc70
[  438.595421]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.600618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.604863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.609099]  __run_timers+0x7e5/0xc70
[  438.612912]  ? timer_fixup_init+0x70/0x70
[  438.617064]  ? lock_downgrade+0x900/0x900
[  438.621211]  ? zap_class+0x640/0x640
[  438.624942]  ? print_usage_bug+0xc0/0xc0
[  438.629010]  ? trace_hardirqs_on+0x310/0x310
[  438.633433]  ? kvm_clock_read+0x18/0x30
[  438.637413]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  438.642434]  ? ktime_get+0x2c1/0x400
[  438.646178]  ? zap_class+0x640/0x640
[  438.649900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.655444]  ? check_preemption_disabled+0x48/0x280
[  438.660476]  ? __lock_is_held+0xb5/0x140
[  438.664540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.670083]  ? check_preemption_disabled+0x48/0x280
[  438.675107]  run_timer_softirq+0x52/0xb0
[  438.679171]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.684192]  __do_softirq+0x308/0xb7e
[  438.688008]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.693117]  ? irq_exit+0xbd/0x1c0
[  438.696659]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  438.701678]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.707566]  ? ret_from_intr+0xb/0x1e
[  438.711371]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.716395]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.721248]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.726279]  ? task_prio+0x50/0x50
[  438.729826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.735370]  ? check_preemption_disabled+0x48/0x280
[  438.740394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.745273]  ? neigh_periodic_work+0x6bd/0xc60
[  438.749863]  do_softirq_own_stack+0x2a/0x40
[  438.754178]  </IRQ>
[  438.756418]  do_softirq.part.14+0x126/0x160
[  438.760744]  __local_bh_enable_ip+0x21d/0x260
[  438.765253]  _raw_write_unlock_bh+0x30/0x40
[  438.769579]  neigh_periodic_work+0x6bd/0xc60
[  438.774004]  ? neigh_table_clear+0x390/0x390
[  438.778420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.783960]  ? check_preemption_disabled+0x48/0x280
[  438.788989]  ? __lock_is_held+0xb5/0x140
[  438.793071]  process_one_work+0xc90/0x1c40
[  438.797313]  ? mark_held_locks+0x130/0x130
[  438.801660]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  438.806327]  ? __switch_to_asm+0x40/0x70
[  438.810387]  ? __switch_to_asm+0x40/0x70
[  438.814446]  ? __switch_to_asm+0x34/0x70
[  438.818509]  ? __switch_to_asm+0x40/0x70
[  438.822568]  ? __switch_to_asm+0x34/0x70
[  438.826626]  ? __switch_to_asm+0x40/0x70
[  438.830685]  ? __switch_to_asm+0x34/0x70
[  438.834746]  ? __switch_to_asm+0x40/0x70
[  438.838820]  ? __schedule+0x8d7/0x21d0
[  438.842710]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.847751]  ? lock_downgrade+0x900/0x900
[  438.851908]  ? zap_class+0x640/0x640
[  438.855626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.860486]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.865090]  ? lock_acquire+0x1ed/0x520
[  438.869068]  ? worker_thread+0x3e0/0x1390
[  438.873682]  ? kasan_check_read+0x11/0x20
[  438.877837]  ? do_raw_spin_lock+0x14f/0x350
[  438.882162]  ? kasan_check_read+0x11/0x20
[  438.886310]  ? rwlock_bug.part.2+0x90/0x90
[  438.890553]  ? trace_hardirqs_on+0x310/0x310
[  438.894978]  worker_thread+0x17f/0x1390
[  438.898957]  ? __switch_to_asm+0x34/0x70
[  438.903544]  ? process_one_work+0x1c40/0x1c40
[  438.908053]  ? zap_class+0x640/0x640
[  438.913780]  ? find_held_lock+0x36/0x1c0
[  438.917868]  ? __kthread_parkme+0xce/0x1a0
[  438.922112]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  438.927217]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  438.932330]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.936917]  ? trace_hardirqs_on+0xbd/0x310
[  438.941247]  ? kasan_check_read+0x11/0x20
[  438.945924]  ? __kthread_parkme+0xce/0x1a0
[  438.950185]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.955304]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.960420]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  438.965531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.971073]  ? __kthread_parkme+0xfb/0x1a0
[  438.975318]  ? process_one_work+0x1c40/0x1c40
[  438.979815]  kthread+0x35a/0x440
[  438.983190]  ? kthread_stop+0x900/0x900
[  438.987173]  ret_from_fork+0x3a/0x50
[  438.990901] warn_alloc_show_mem: 1 callbacks suppressed
[  438.990914] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  438.990916] Mem-Info:
[  438.990949] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  438.990949]  active_file:16 inactive_file:3 isolated_file:0
[  438.990949]  unevictable:0 dirty:0 writeback:0 unstable:0
[  438.990949]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  438.990949]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  438.990949]  free:13690 free_pcp:879 free_cma:0
[  438.996297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.003666] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  439.006039] Call Trace:
[  439.006082]  <IRQ>
[  439.039056] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  439.048435]  dump_stack+0x244/0x39d
[  439.076251] lowmem_reserve[]: 0 2818 6321 6321
[  439.078864]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.080989] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  439.107126]  warn_alloc.cold.116+0xb7/0x1bd
[  439.110747] lowmem_reserve[]: 0 0 3503 3503
[  439.115330]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.120498] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  439.148093]  ? lock_downgrade+0x900/0x900
[  439.152389] lowmem_reserve[]: 0 0 0 0
[  439.156717]  ? trace_hardirqs_off+0xb8/0x310
[  439.161533] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  439.190856]  ? trace_hardirqs_off+0xb8/0x310
[  439.194978] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  439.198798]  __alloc_pages_slowpath+0x26e8/0x2e10
[  439.203179] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  439.216737]  ? warn_alloc+0x120/0x120
[  439.221101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  439.236356]  ? print_usage_bug+0xc0/0xc0
[  439.241184] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  439.255131]  ? warn_alloc+0x120/0x120
[  439.258911] 4380 total pagecache pages
[  439.267746]  ? warn_alloc+0x120/0x120
[  439.271800] 0 pages in swap cache
[  439.280380]  ? print_usage_bug+0xc0/0xc0
[  439.284165] Swap cache stats: add 0, delete 0, find 0/0
[  439.288052]  ? kvm_clock_read+0x18/0x30
[  439.291827] Free swap  = 0kB
[  439.295280]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  439.299315] Total swap = 0kB
[  439.304674]  ? print_usage_bug+0xc0/0xc0
[  439.308630] 1965979 pages RAM
[  439.311643]  ? __lock_acquire+0x62f/0x4c20
[  439.316640] 0 pages HighMem/MovableOnly
[  439.319658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.323700] 342854 pages reserved
[  439.326813]  ? should_fail+0x22d/0xd01
[  439.331027] 0 pages cma reserved
[  439.334995]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.340584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  439.343961]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.347973] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.351201]  ? __lock_acquire+0x62f/0x4c20
[  439.356456] kworker/0:2 cpuset=/ mems_allowed=0
[  439.362944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.392301]  ? __lock_acquire+0x62f/0x4c20
[  439.396537]  ? should_fail+0x22d/0xd01
[  439.400427]  ? rcu_irq_exit+0x1a2/0x390
[  439.404414]  ? mark_held_locks+0x130/0x130
[  439.408658]  ? mark_held_locks+0x130/0x130
[  439.412928]  ? mark_held_locks+0xc7/0x130
[  439.417081]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  439.422099]  ? zap_class+0x640/0x640
[  439.425813]  ? print_usage_bug+0xc0/0xc0
[  439.429888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.435434]  ? check_preemption_disabled+0x48/0x280
[  439.440465]  ? __lock_is_held+0xb5/0x140
[  439.444539]  __alloc_pages_nodemask+0xa80/0xde0
[  439.449211]  ? zap_class+0x640/0x640
[  439.452932]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  439.457965]  ? find_held_lock+0x36/0x1c0
[  439.462042]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.466716]  ? lock_downgrade+0x900/0x900
[  439.470879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.476429]  cache_grow_begin+0xa5/0x8c0
[  439.480494]  ? do_raw_spin_unlock+0xa7/0x330
[  439.485002]  fallback_alloc+0x204/0x2e0
[  439.488989]  ____cache_alloc_node+0x1c7/0x1e0
[  439.493494]  kmem_cache_alloc_node+0xe3/0x730
[  439.497999]  ? ipv6_get_ifaddr+0x42e/0x620
[  439.502245]  __alloc_skb+0x119/0x770
[  439.505965]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.511249]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.515663]  ? lock_downgrade+0x900/0x900
[  439.519824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.525367]  ? refcount_sub_and_test_checked+0x203/0x310
[  439.530827]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  439.536279]  ? addrconf_rs_timer+0x690/0x690
[  439.540702]  ndisc_alloc_skb+0x144/0x340
[  439.544781]  ndisc_send_rs+0x331/0x6e0
[  439.548676]  addrconf_rs_timer+0x314/0x690
[  439.552921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.557166]  call_timer_fn+0x272/0x920
[  439.561054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.565290]  ? process_timeout+0x40/0x40
[  439.569362]  ? __run_timers+0x7da/0xc70
[  439.573346]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.577842]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.582340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.586576]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.591164]  ? trace_hardirqs_on+0xbd/0x310
[  439.595485]  ? kasan_check_read+0x11/0x20
[  439.599632]  ? __run_timers+0x7da/0xc70
[  439.603609]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.608716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.612964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.617200]  __run_timers+0x7e5/0xc70
[  439.621015]  ? timer_fixup_init+0x70/0x70
[  439.625172]  ? lock_acquire+0x1ed/0x520
[  439.629154]  ? zap_class+0x640/0x640
[  439.632875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.638420]  ? kasan_check_read+0x11/0x20
[  439.642569]  ? do_raw_spin_lock+0x14f/0x350
[  439.646902]  ? find_held_lock+0x36/0x1c0
[  439.650972]  ? zap_class+0x640/0x640
[  439.654693]  ? pvclock_read_flags+0x160/0x160
[  439.659195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.664743]  ? check_preemption_disabled+0x48/0x280
[  439.669772]  ? __lock_is_held+0xb5/0x140
[  439.673836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.679378]  ? check_preemption_disabled+0x48/0x280
[  439.684418]  run_timer_softirq+0x52/0xb0
[  439.688481]  ? rcu_read_lock_sched_held+0x14f/0x180
[  439.693504]  __do_softirq+0x308/0xb7e
[  439.697309]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  439.701807]  ? lock_downgrade+0x900/0x900
[  439.705962]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  439.711080]  ? pvclock_read_flags+0x160/0x160
[  439.715581]  ? lapic_next_event+0x5a/0x90
[  439.719736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.725281]  ? kvm_clock_read+0x18/0x30
[  439.729261]  ? kvm_sched_clock_read+0x9/0x20
[  439.733674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.739213]  ? check_preemption_disabled+0x48/0x280
[  439.744243]  irq_exit+0x17f/0x1c0
[  439.747713]  smp_apic_timer_interrupt+0x1cb/0x760
[  439.752568]  ? smp_reschedule_interrupt+0x109/0x650
[  439.757593]  ? smp_call_function_single_interrupt+0x650/0x650
[  439.763480]  ? interrupt_entry+0xb5/0xc0
[  439.767548]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.772565]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.777584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.782441]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.787456]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.792472]  ? task_prio+0x50/0x50
[  439.796017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.801560]  ? check_preemption_disabled+0x48/0x280
[  439.806583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.811439]  apic_timer_interrupt+0xf/0x20
[  439.815673]  </IRQ>
[  439.817914] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  439.822848] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  439.841773] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  439.849490] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  439.856761] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  439.864027] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  439.871305] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  439.878574] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  439.885890]  skb_clone+0x1bb/0x500
[  439.889433]  ? finish_task_switch+0x1b4/0x910
[  439.893931]  ? skb_split+0x11e0/0x11e0
[  439.897824]  ? preempt_notifier_register+0x200/0x200
[  439.902927]  ? __switch_to_asm+0x34/0x70
[  439.906998]  ? __switch_to_asm+0x34/0x70
[  439.911058]  ? __switch_to_asm+0x40/0x70
[  439.915117]  ? __switch_to_asm+0x34/0x70
[  439.919178]  ? __switch_to_asm+0x40/0x70
[  439.923237]  ? __switch_to_asm+0x34/0x70
[  439.927303]  ? __switch_to_asm+0x40/0x70
[  439.931369]  ? __switch_to_asm+0x34/0x70
[  439.935435]  ? __switch_to_asm+0x34/0x70
[  439.939493]  ? __switch_to_asm+0x40/0x70
[  439.943550]  ? __switch_to_asm+0x34/0x70
[  439.947625]  bpf_clone_redirect+0xb9/0x490
[  439.951867]  ? __schedule+0x8d7/0x21d0
[  439.955772]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  439.960793]  ? __sched_text_start+0x8/0x8
[  439.964947]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.969531]  ? retint_kernel+0x2d/0x2d
[  439.973425]  ? trace_hardirqs_on_caller+0xc0/0x310
[  439.978360]  ? find_held_lock+0x36/0x1c0
[  439.982434]  ? lock_acquire+0x1ed/0x520
[  439.986590]  ? bpf_test_run+0x3cb/0x780
[  439.990572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.996117]  ? check_preemption_disabled+0x48/0x280
[  440.001148]  ? kasan_check_read+0x11/0x20
[  440.005302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.011107]  ? rcu_softirq_qs+0x20/0x20
[  440.015091]  ? preempt_schedule+0x4d/0x60
[  440.019242]  ? ___preempt_schedule+0x16/0x18
[  440.023668]  ? bpf_test_run+0x25d/0x780
[  440.027656]  ? netlink_diag_dump+0x2a0/0x2a0
[  440.032076]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.037617]  ? bpf_test_init.isra.10+0x70/0x100
[  440.042291]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  440.047061]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  440.051906]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  440.057449]  ? fput+0x130/0x1a0
[  440.060737]  ? __bpf_prog_get+0x9b/0x290
[  440.064803]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  440.069644]  ? bpf_prog_test_run+0x130/0x1a0
[  440.074059]  ? __x64_sys_bpf+0x3d8/0x520
[  440.078124]  ? bpf_prog_get+0x20/0x20
[  440.081948]  ? do_syscall_64+0x1b9/0x820
[  440.086014]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  440.091385]  ? syscall_return_slowpath+0x5e0/0x5e0
[  440.096315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.101168]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.106190]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  440.111214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.116759]  ? prepare_exit_to_usermode+0x291/0x3b0
[  440.121783]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.126639]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  440.132027] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  440.132115] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  440.139140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.139163] Workqueue: events_power_efficient neigh_periodic_work
[  440.139170] Call Trace:
[  440.139184]  <IRQ>
[  440.145748] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.155034]  dump_stack+0x244/0x39d
[  440.161256] syz-executor1 cpuset=syz1 mems_allowed=0
[  440.163881]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.190439]  warn_alloc.cold.116+0xb7/0x1bd
[  440.194764]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.199640]  ? lock_downgrade+0x900/0x900
[  440.203839]  ? trace_hardirqs_off+0xb8/0x310
[  440.208259]  ? trace_hardirqs_off+0xb8/0x310
[  440.212683]  __alloc_pages_slowpath+0x26e8/0x2e10
[  440.217555]  ? warn_alloc+0x120/0x120
[  440.221364]  ? print_usage_bug+0xc0/0xc0
[  440.225427]  ? warn_alloc+0x120/0x120
[  440.229244]  ? warn_alloc+0x120/0x120
[  440.233051]  ? print_usage_bug+0xc0/0xc0
[  440.237118]  ? kvm_clock_read+0x18/0x30
[  440.241095]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  440.246116]  ? print_usage_bug+0xc0/0xc0
[  440.250180]  ? __lock_acquire+0x62f/0x4c20
[  440.254424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.259966]  ? should_fail+0x22d/0xd01
[  440.263860]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.269146]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.274258]  ? __lock_acquire+0x62f/0x4c20
[  440.278501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.283604]  ? __lock_acquire+0x62f/0x4c20
[  440.287842]  ? should_fail+0x22d/0xd01
[  440.291731]  ? rcu_irq_exit+0x1a2/0x390
[  440.295721]  ? mark_held_locks+0x130/0x130
[  440.299963]  ? mark_held_locks+0x130/0x130
[  440.304208]  ? mark_held_locks+0xc7/0x130
[  440.308362]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  440.313379]  ? zap_class+0x640/0x640
[  440.317098]  ? print_usage_bug+0xc0/0xc0
[  440.321169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.326722]  ? check_preemption_disabled+0x48/0x280
[  440.331749]  ? __lock_is_held+0xb5/0x140
[  440.335822]  __alloc_pages_nodemask+0xa80/0xde0
[  440.340495]  ? zap_class+0x640/0x640
[  440.344217]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  440.349261]  ? find_held_lock+0x36/0x1c0
[  440.353340]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.358017]  ? lock_downgrade+0x900/0x900
[  440.362346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.367894]  cache_grow_begin+0xa5/0x8c0
[  440.371990]  ? do_raw_spin_unlock+0xa7/0x330
[  440.376412]  fallback_alloc+0x204/0x2e0
[  440.380396]  ____cache_alloc_node+0x1c7/0x1e0
[  440.384896]  kmem_cache_alloc_node+0xe3/0x730
[  440.389401]  ? ipv6_get_ifaddr+0x42e/0x620
[  440.393651]  __alloc_skb+0x119/0x770
[  440.397363]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.402649]  ? netdev_alloc_frag+0x1f0/0x1f0
[  440.407062]  ? lock_downgrade+0x900/0x900
[  440.411221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.416772]  ? refcount_sub_and_test_checked+0x203/0x310
[  440.422235]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  440.427693]  ? addrconf_rs_timer+0x690/0x690
[  440.432148]  ndisc_alloc_skb+0x144/0x340
[  440.436217]  ndisc_send_rs+0x331/0x6e0
[  440.440120]  addrconf_rs_timer+0x314/0x690
[  440.444368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.448618]  call_timer_fn+0x272/0x920
[  440.452508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.456748]  ? process_timeout+0x40/0x40
[  440.460827]  ? mark_held_locks+0xc7/0x130
[  440.464978]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.469475]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.473971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.478211]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.482801]  ? trace_hardirqs_on+0xbd/0x310
[  440.487139]  ? kasan_check_read+0x11/0x20
[  440.491290]  ? __run_timers+0x7da/0xc70
[  440.495267]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.500375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.504623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.508854]  __run_timers+0x7e5/0xc70
[  440.512709]  ? timer_fixup_init+0x70/0x70
[  440.516868]  ? lock_downgrade+0x900/0x900
[  440.521028]  ? zap_class+0x640/0x640
[  440.524758]  ? print_usage_bug+0xc0/0xc0
[  440.528832]  ? trace_hardirqs_on+0x310/0x310
[  440.533289]  ? kvm_clock_read+0x18/0x30
[  440.537264]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  440.542281]  ? ktime_get+0x2c1/0x400
[  440.546000]  ? zap_class+0x640/0x640
[  440.549721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.555269]  ? check_preemption_disabled+0x48/0x280
[  440.560295]  ? __lock_is_held+0xb5/0x140
[  440.564359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.569896]  ? check_preemption_disabled+0x48/0x280
[  440.574921]  run_timer_softirq+0x52/0xb0
[  440.579003]  ? rcu_read_lock_sched_held+0x14f/0x180
[  440.584047]  __do_softirq+0x308/0xb7e
[  440.587875]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  440.592983]  ? irq_exit+0xbd/0x1c0
[  440.596531]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  440.601550]  ? smp_call_function_single_interrupt+0x650/0x650
[  440.607441]  ? ret_from_intr+0xb/0x1e
[  440.611252]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.616272]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.621144]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.626172]  ? task_prio+0x50/0x50
[  440.629718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.635307]  ? check_preemption_disabled+0x48/0x280
[  440.640333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.645182]  ? neigh_periodic_work+0x6bd/0xc60
[  440.649770]  do_softirq_own_stack+0x2a/0x40
[  440.654085]  </IRQ>
[  440.656322]  do_softirq.part.14+0x126/0x160
[  440.660643]  __local_bh_enable_ip+0x21d/0x260
[  440.665143]  _raw_write_unlock_bh+0x30/0x40
[  440.669469]  neigh_periodic_work+0x6bd/0xc60
[  440.673890]  ? neigh_table_clear+0x390/0x390
[  440.678307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.683845]  ? check_preemption_disabled+0x48/0x280
[  440.688880]  ? __lock_is_held+0xb5/0x140
[  440.692956]  process_one_work+0xc90/0x1c40
[  440.697196]  ? mark_held_locks+0x130/0x130
[  440.701446]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  440.706113]  ? __switch_to_asm+0x40/0x70
[  440.710175]  ? __switch_to_asm+0x40/0x70
[  440.714242]  ? __switch_to_asm+0x34/0x70
[  440.718300]  ? __switch_to_asm+0x40/0x70
[  440.722362]  ? __switch_to_asm+0x34/0x70
[  440.726422]  ? __switch_to_asm+0x40/0x70
[  440.730479]  ? __switch_to_asm+0x34/0x70
[  440.734538]  ? __switch_to_asm+0x40/0x70
[  440.738605]  ? __schedule+0x8d7/0x21d0
[  440.742496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.747526]  ? lock_downgrade+0x900/0x900
[  440.751683]  ? zap_class+0x640/0x640
[  440.755399]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.760258]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.764851]  ? lock_acquire+0x1ed/0x520
[  440.768818]  ? worker_thread+0x3e0/0x1390
[  440.773007]  ? kasan_check_read+0x11/0x20
[  440.777171]  ? do_raw_spin_lock+0x14f/0x350
[  440.781497]  ? kasan_check_read+0x11/0x20
[  440.785650]  ? rwlock_bug.part.2+0x90/0x90
[  440.789890]  ? trace_hardirqs_on+0x310/0x310
[  440.794312]  worker_thread+0x17f/0x1390
[  440.798291]  ? __switch_to_asm+0x34/0x70
[  440.802370]  ? process_one_work+0x1c40/0x1c40
[  440.806877]  ? zap_class+0x640/0x640
[  440.810589]  ? find_held_lock+0x36/0x1c0
[  440.814677]  ? __kthread_parkme+0xce/0x1a0
[  440.818919]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  440.824019]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  440.829149]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.833744]  ? trace_hardirqs_on+0xbd/0x310
[  440.838070]  ? kasan_check_read+0x11/0x20
[  440.842218]  ? __kthread_parkme+0xce/0x1a0
[  440.846462]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.851570]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.856682]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  440.861788]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.867325]  ? __kthread_parkme+0xfb/0x1a0
[  440.871562]  ? process_one_work+0x1c40/0x1c40
[  440.876072]  kthread+0x35a/0x440
[  440.879443]  ? kthread_stop+0x900/0x900
[  440.883424]  ret_from_fork+0x3a/0x50
[  440.887160] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  440.887166] warn_alloc_show_mem: 1 callbacks suppressed
[  440.887174] Mem-Info:
[  440.894544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.899913] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  440.899913]  active_file:16 inactive_file:3 isolated_file:0
[  440.899913]  unevictable:0 dirty:0 writeback:0 unstable:0
[  440.899913]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  440.899913]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  440.899913]  free:13690 free_pcp:879 free_cma:0
[  440.902525] Call Trace:
[  440.911919] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  440.944873]  <IRQ>
[  440.947455] 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
[  440.975309]  dump_stack+0x244/0x39d
[  440.977437] lowmem_reserve[]: 0 2818 6321 6321
[  441.003559]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.007165] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  441.011761]  warn_alloc.cold.116+0xb7/0x1bd
[  441.016907] lowmem_reserve[]: 0 0 3503 3503
[  441.044515]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.048819] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  441.053142]  ? lock_downgrade+0x900/0x900
[  441.057958] lowmem_reserve[]: 0 0 0 0
[  441.087329]  ? trace_hardirqs_off+0xb8/0x310
[  441.091464] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  441.095268]  ? trace_hardirqs_off+0xb8/0x310
[  441.099651] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  441.113201]  __alloc_pages_slowpath+0x26e8/0x2e10
[  441.117586] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  441.132886]  ? warn_alloc+0x120/0x120
[  441.137692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  441.151660]  ? print_usage_bug+0xc0/0xc0
[  441.155444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  441.164276]  ? warn_alloc+0x120/0x120
[  441.168315] 4380 total pagecache pages
[  441.176898]  ? warn_alloc+0x120/0x120
[  441.180682] 0 pages in swap cache
[  441.184567]  ? print_usage_bug+0xc0/0xc0
[  441.188348] Swap cache stats: add 0, delete 0, find 0/0
[  441.191797]  ? print_usage_bug+0xc0/0xc0
[  441.195840] Free swap  = 0kB
[  441.201215]  ? __lock_acquire+0x62f/0x4c20
[  441.205258] Total swap = 0kB
[  441.208287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.212494] 1965979 pages RAM
[  441.215520]  ? should_fail+0x22d/0xd01
[  441.221042] 0 pages HighMem/MovableOnly
[  441.224144]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.228012] 342854 pages reserved
[  441.231984]  ? __lock_acquire+0x62f/0x4c20
[  441.232003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.237089] 0 pages cma reserved
[  441.240542]  ? __lock_acquire+0x62f/0x4c20
[  441.244832] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  441.249847]  ? should_fail+0x22d/0xd01
[  441.249863]  ? find_held_lock+0x36/0x1c0
[  441.249885]  ? mark_held_locks+0x130/0x130
[  441.253308] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.257478]  ? mark_held_locks+0x130/0x130
[  441.263950] kworker/0:2 cpuset=/ mems_allowed=0
[  441.267834]  ? zap_class+0x640/0x640
[  441.298978]  ? zap_class+0x640/0x640
[  441.302698]  ? print_usage_bug+0xc0/0xc0
[  441.306763]  ? do_raw_spin_unlock+0xa7/0x330
[  441.311177]  ? zap_class+0x640/0x640
[  441.314896]  ? print_usage_bug+0xc0/0xc0
[  441.318961]  ? wq_watchdog_touch+0x9c/0xfe
[  441.323201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.328750]  ? check_preemption_disabled+0x48/0x280
[  441.333778]  ? __lock_is_held+0xb5/0x140
[  441.337845]  __alloc_pages_nodemask+0xa80/0xde0
[  441.342524]  ? zap_class+0x640/0x640
[  441.346249]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  441.351292]  ? find_held_lock+0x36/0x1c0
[  441.355367]  ? ____cache_alloc_node+0x1c7/0x1e0
[  441.360044]  ? lock_downgrade+0x900/0x900
[  441.364206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.369781]  cache_grow_begin+0xa5/0x8c0
[  441.373847]  ? do_raw_spin_unlock+0xa7/0x330
[  441.378266]  fallback_alloc+0x204/0x2e0
[  441.382252]  ____cache_alloc_node+0x1c7/0x1e0
[  441.386788]  kmem_cache_alloc_node+0xe3/0x730
[  441.391296]  ? ipv6_get_ifaddr+0x42e/0x620
[  441.395545]  __alloc_skb+0x119/0x770
[  441.399258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.404544]  ? netdev_alloc_frag+0x1f0/0x1f0
[  441.408961]  ? lock_downgrade+0x900/0x900
[  441.413124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.418667]  ? refcount_sub_and_test_checked+0x203/0x310
[  441.424123]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  441.429580]  ? addrconf_rs_timer+0x690/0x690
[  441.434001]  ndisc_alloc_skb+0x144/0x340
[  441.438072]  ndisc_send_rs+0x331/0x6e0
[  441.441975]  addrconf_rs_timer+0x314/0x690
[  441.446244]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.450492]  call_timer_fn+0x272/0x920
[  441.454381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.458617]  ? process_timeout+0x40/0x40
[  441.462697]  ? __run_timers+0x7da/0xc70
[  441.466715]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.471217]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.475710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.479956]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.484548]  ? trace_hardirqs_on+0xbd/0x310
[  441.488873]  ? kasan_check_read+0x11/0x20
[  441.493022]  ? __run_timers+0x7da/0xc70
[  441.497001]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.502115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.506355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.510590]  __run_timers+0x7e5/0xc70
[  441.514403]  ? timer_fixup_init+0x70/0x70
[  441.518556]  ? lock_acquire+0x1ed/0x520
[  441.522533]  ? zap_class+0x640/0x640
[  441.526251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.531797]  ? kasan_check_read+0x11/0x20
[  441.535945]  ? do_raw_spin_lock+0x14f/0x350
[  441.540279]  ? find_held_lock+0x36/0x1c0
[  441.544383]  ? zap_class+0x640/0x640
[  441.548103]  ? pvclock_read_flags+0x160/0x160
[  441.552606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.558147]  ? check_preemption_disabled+0x48/0x280
[  441.563176]  ? __lock_is_held+0xb5/0x140
[  441.567239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.572778]  ? check_preemption_disabled+0x48/0x280
[  441.577797]  run_timer_softirq+0x52/0xb0
[  441.581855]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.586911]  __do_softirq+0x308/0xb7e
[  441.590721]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  441.595230]  ? lock_downgrade+0x900/0x900
[  441.599400]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  441.604513]  ? pvclock_read_flags+0x160/0x160
[  441.609014]  ? lapic_next_event+0x5a/0x90
[  441.613171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.618713]  ? kvm_clock_read+0x18/0x30
[  441.622708]  ? kvm_sched_clock_read+0x9/0x20
[  441.627129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.632670]  ? check_preemption_disabled+0x48/0x280
[  441.637696]  irq_exit+0x17f/0x1c0
[  441.641158]  smp_apic_timer_interrupt+0x1cb/0x760
[  441.645999]  ? smp_reschedule_interrupt+0x109/0x650
[  441.651022]  ? smp_call_function_single_interrupt+0x650/0x650
[  441.656937]  ? interrupt_entry+0xb5/0xc0
[  441.661011]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.666030]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.671050]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.675892]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.680917]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.685932]  ? task_prio+0x50/0x50
[  441.689478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.695029]  ? check_preemption_disabled+0x48/0x280
[  441.700055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.704915]  apic_timer_interrupt+0xf/0x20
[  441.709144]  </IRQ>
[  441.711401] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  441.716332] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  441.735230] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  441.742942] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  441.750217] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  441.757488] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  441.764754] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  441.772021] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  441.779346]  skb_clone+0x1bb/0x500
[  441.782898]  ? finish_task_switch+0x1b4/0x910
[  441.787395]  ? skb_split+0x11e0/0x11e0
[  441.791288]  ? preempt_notifier_register+0x200/0x200
[  441.796391]  ? __switch_to_asm+0x34/0x70
[  441.800452]  ? __switch_to_asm+0x34/0x70
[  441.804511]  ? __switch_to_asm+0x40/0x70
[  441.808569]  ? __switch_to_asm+0x34/0x70
[  441.812628]  ? __switch_to_asm+0x40/0x70
[  441.816704]  ? __switch_to_asm+0x34/0x70
[  441.820769]  ? __switch_to_asm+0x40/0x70
[  441.824826]  ? __switch_to_asm+0x34/0x70
[  441.828886]  ? __switch_to_asm+0x34/0x70
[  441.832945]  ? __switch_to_asm+0x40/0x70
[  441.837007]  ? __switch_to_asm+0x34/0x70
[  441.841076]  bpf_clone_redirect+0xb9/0x490
[  441.845313]  ? __schedule+0x8d7/0x21d0
[  441.849211]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  441.854235]  ? __sched_text_start+0x8/0x8
[  441.858393]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.862977]  ? retint_kernel+0x2d/0x2d
[  441.866871]  ? trace_hardirqs_on_caller+0xc0/0x310
[  441.871810]  ? find_held_lock+0x36/0x1c0
[  441.875880]  ? lock_acquire+0x1ed/0x520
[  441.879865]  ? bpf_test_run+0x3cb/0x780
[  441.883845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.889417]  ? check_preemption_disabled+0x48/0x280
[  441.894533]  ? kasan_check_read+0x11/0x20
[  441.898685]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.903964]  ? rcu_softirq_qs+0x20/0x20
[  441.907948]  ? preempt_schedule+0x4d/0x60
[  441.912102]  ? ___preempt_schedule+0x16/0x18
[  441.916521]  ? bpf_test_run+0x25d/0x780
[  441.920509]  ? netlink_diag_dump+0x2a0/0x2a0
[  441.924920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.930458]  ? bpf_test_init.isra.10+0x70/0x100
[  441.935135]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  441.939916]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  441.944765]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  441.950308]  ? fput+0x130/0x1a0
[  441.953594]  ? __bpf_prog_get+0x9b/0x290
[  441.957665]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  441.962514]  ? bpf_prog_test_run+0x130/0x1a0
[  441.966934]  ? __x64_sys_bpf+0x3d8/0x520
[  441.971000]  ? bpf_prog_get+0x20/0x20
[  441.974821]  ? do_syscall_64+0x1b9/0x820
[  441.978883]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  441.984253]  ? syscall_return_slowpath+0x5e0/0x5e0
[  441.989186]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.994034]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.999052]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  442.004071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.010073]  ? prepare_exit_to_usermode+0x291/0x3b0
[  442.015100]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.019953]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  442.025351] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  442.025440] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  442.032460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.032484] Workqueue: events_power_efficient neigh_periodic_work
[  442.032492] Call Trace:
[  442.032503]  <IRQ>
[  442.039098] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  442.048356]  dump_stack+0x244/0x39d
[  442.054565] syz-executor1 cpuset=syz1 mems_allowed=0
[  442.057154]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.083652]  warn_alloc.cold.116+0xb7/0x1bd
[  442.087976]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.092826]  ? lock_downgrade+0x900/0x900
[  442.096985]  ? trace_hardirqs_off+0xb8/0x310
[  442.101402]  ? trace_hardirqs_off+0xb8/0x310
[  442.105835]  __alloc_pages_slowpath+0x26e8/0x2e10
[  442.110708]  ? warn_alloc+0x120/0x120
[  442.114515]  ? print_usage_bug+0xc0/0xc0
[  442.118583]  ? warn_alloc+0x120/0x120
[  442.122391]  ? warn_alloc+0x120/0x120
[  442.126198]  ? print_usage_bug+0xc0/0xc0
[  442.130272]  ? print_usage_bug+0xc0/0xc0
[  442.134340]  ? __lock_acquire+0x62f/0x4c20
[  442.138584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.144129]  ? should_fail+0x22d/0xd01
[  442.148021]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.153127]  ? __lock_acquire+0x62f/0x4c20
[  442.157369]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.162470]  ? __lock_acquire+0x62f/0x4c20
[  442.166701]  ? should_fail+0x22d/0xd01
[  442.170593]  ? find_held_lock+0x36/0x1c0
[  442.174662]  ? mark_held_locks+0x130/0x130
[  442.178907]  ? mark_held_locks+0x130/0x130
[  442.183155]  ? zap_class+0x640/0x640
[  442.186883]  ? zap_class+0x640/0x640
[  442.190600]  ? print_usage_bug+0xc0/0xc0
[  442.194658]  ? do_raw_spin_unlock+0xa7/0x330
[  442.199076]  ? zap_class+0x640/0x640
[  442.202810]  ? print_usage_bug+0xc0/0xc0
[  442.206877]  ? wq_watchdog_touch+0x9c/0xfe
[  442.211141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.216680]  ? check_preemption_disabled+0x48/0x280
[  442.221712]  ? __lock_is_held+0xb5/0x140
[  442.225784]  __alloc_pages_nodemask+0xa80/0xde0
[  442.230458]  ? zap_class+0x640/0x640
[  442.234205]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  442.239244]  ? find_held_lock+0x36/0x1c0
[  442.243316]  ? ____cache_alloc_node+0x1c7/0x1e0
[  442.247987]  ? lock_downgrade+0x900/0x900
[  442.252149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.257694]  cache_grow_begin+0xa5/0x8c0
[  442.261767]  ? do_raw_spin_unlock+0xa7/0x330
[  442.266185]  fallback_alloc+0x204/0x2e0
[  442.270169]  ____cache_alloc_node+0x1c7/0x1e0
[  442.274670]  kmem_cache_alloc_node+0xe3/0x730
[  442.279168]  ? ipv6_get_ifaddr+0x42e/0x620
[  442.283413]  __alloc_skb+0x119/0x770
[  442.287130]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.292411]  ? netdev_alloc_frag+0x1f0/0x1f0
[  442.296822]  ? lock_downgrade+0x900/0x900
[  442.300981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.306523]  ? refcount_sub_and_test_checked+0x203/0x310
[  442.311978]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  442.317437]  ? addrconf_rs_timer+0x690/0x690
[  442.321865]  ndisc_alloc_skb+0x144/0x340
[  442.325931]  ndisc_send_rs+0x331/0x6e0
[  442.329825]  addrconf_rs_timer+0x314/0x690
[  442.334070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.338316]  call_timer_fn+0x272/0x920
[  442.342206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.346453]  ? process_timeout+0x40/0x40
[  442.350527]  ? mark_held_locks+0xc7/0x130
[  442.354677]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.359170]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.363662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.367896]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.372485]  ? trace_hardirqs_on+0xbd/0x310
[  442.376808]  ? kasan_check_read+0x11/0x20
[  442.380967]  ? __run_timers+0x7da/0xc70
[  442.384945]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.390056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.394298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.398531]  __run_timers+0x7e5/0xc70
[  442.402344]  ? timer_fixup_init+0x70/0x70
[  442.406495]  ? lock_downgrade+0x900/0x900
[  442.410642]  ? zap_class+0x640/0x640
[  442.414370]  ? print_usage_bug+0xc0/0xc0
[  442.418436]  ? trace_hardirqs_on+0x310/0x310
[  442.422862]  ? kvm_clock_read+0x18/0x30
[  442.426871]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  442.431891]  ? ktime_get+0x2c1/0x400
[  442.435647]  ? zap_class+0x640/0x640
[  442.439375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.444915]  ? check_preemption_disabled+0x48/0x280
[  442.449951]  ? __lock_is_held+0xb5/0x140
[  442.454012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.459549]  ? check_preemption_disabled+0x48/0x280
[  442.464572]  run_timer_softirq+0x52/0xb0
[  442.468640]  ? rcu_read_lock_sched_held+0x14f/0x180
[  442.473688]  __do_softirq+0x308/0xb7e
[  442.477501]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  442.482601]  ? irq_exit+0xbd/0x1c0
[  442.486158]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  442.491178]  ? smp_call_function_single_interrupt+0x650/0x650
[  442.497080]  ? ret_from_intr+0xb/0x1e
[  442.500888]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.505908]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.510752]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.515769]  ? task_prio+0x50/0x50
[  442.519325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.524864]  ? check_preemption_disabled+0x48/0x280
[  442.529887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.534740]  ? neigh_periodic_work+0x6bd/0xc60
[  442.539324]  do_softirq_own_stack+0x2a/0x40
[  442.543646]  </IRQ>
[  442.545886]  do_softirq.part.14+0x126/0x160
[  442.550211]  __local_bh_enable_ip+0x21d/0x260
[  442.554731]  _raw_write_unlock_bh+0x30/0x40
[  442.559061]  neigh_periodic_work+0x6bd/0xc60
[  442.563483]  ? neigh_table_clear+0x390/0x390
[  442.567900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.573458]  ? check_preemption_disabled+0x48/0x280
[  442.578499]  ? __lock_is_held+0xb5/0x140
[  442.582597]  process_one_work+0xc90/0x1c40
[  442.586847]  ? mark_held_locks+0x130/0x130
[  442.591093]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  442.595781]  ? __switch_to_asm+0x40/0x70
[  442.599862]  ? __switch_to_asm+0x40/0x70
[  442.603921]  ? __switch_to_asm+0x34/0x70
[  442.607980]  ? __switch_to_asm+0x40/0x70
[  442.612039]  ? __switch_to_asm+0x34/0x70
[  442.616102]  ? __switch_to_asm+0x40/0x70
[  442.620162]  ? __switch_to_asm+0x34/0x70
[  442.624220]  ? __switch_to_asm+0x40/0x70
[  442.628295]  ? __schedule+0x8d7/0x21d0
[  442.632185]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.637214]  ? lock_downgrade+0x900/0x900
[  442.641370]  ? zap_class+0x640/0x640
[  442.645114]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.649972]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.654589]  ? lock_acquire+0x1ed/0x520
[  442.658565]  ? worker_thread+0x3e0/0x1390
[  442.662723]  ? kasan_check_read+0x11/0x20
[  442.666873]  ? do_raw_spin_lock+0x14f/0x350
[  442.671202]  ? kasan_check_read+0x11/0x20
[  442.675358]  ? rwlock_bug.part.2+0x90/0x90
[  442.679595]  ? trace_hardirqs_on+0x310/0x310
[  442.684019]  worker_thread+0x17f/0x1390
[  442.687994]  ? __switch_to_asm+0x34/0x70
[  442.692071]  ? process_one_work+0x1c40/0x1c40
[  442.696577]  ? zap_class+0x640/0x640
[  442.700294]  ? find_held_lock+0x36/0x1c0
[  442.704384]  ? __kthread_parkme+0xce/0x1a0
[  442.708620]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  442.713744]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  442.718856]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.723453]  ? trace_hardirqs_on+0xbd/0x310
[  442.727776]  ? kasan_check_read+0x11/0x20
[  442.731923]  ? __kthread_parkme+0xce/0x1a0
[  442.736159]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.741271]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.746385]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  442.751491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.757030]  ? __kthread_parkme+0xfb/0x1a0
[  442.761269]  ? process_one_work+0x1c40/0x1c40
[  442.765778]  kthread+0x35a/0x440
[  442.769148]  ? kthread_stop+0x900/0x900
[  442.773128]  ret_from_fork+0x3a/0x50
[  442.776869] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  442.776874] warn_alloc_show_mem: 1 callbacks suppressed
[  442.776882] Mem-Info:
[  442.784248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.789632] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  442.789632]  active_file:16 inactive_file:3 isolated_file:0
[  442.789632]  unevictable:0 dirty:0 writeback:0 unstable:0
[  442.789632]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  442.789632]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  442.789632]  free:13690 free_pcp:879 free_cma:0
[  442.792013] Call Trace:
[  442.801405] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  442.834339]  <IRQ>
[  442.836913] 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
[  442.864766]  dump_stack+0x244/0x39d
[  442.866894] lowmem_reserve[]: 0 2818 6321 6321
[  442.893007]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.896613] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  442.901199]  warn_alloc.cold.116+0xb7/0x1bd
[  442.906892] lowmem_reserve[]: 0 0 3503 3503
[  442.934494]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.938798] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  442.943151]  ? lock_downgrade+0x900/0x900
[  442.947971] lowmem_reserve[]: 0 0 0 0
[  442.977299]  ? trace_hardirqs_off+0xb8/0x310
[  442.981418] 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
[  442.985217]  ? trace_hardirqs_off+0xb8/0x310
[  442.989622] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  443.003148]  __alloc_pages_slowpath+0x26e8/0x2e10
[  443.007528] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  443.022812]  ? warn_alloc+0x120/0x120
[  443.027620] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  443.041573]  ? print_usage_bug+0xc0/0xc0
[  443.045356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  443.054186]  ? warn_alloc+0x120/0x120
[  443.058238] 4380 total pagecache pages
[  443.066810]  ? warn_alloc+0x120/0x120
[  443.070595] 0 pages in swap cache
[  443.074474]  ? print_usage_bug+0xc0/0xc0
[  443.078266] Swap cache stats: add 0, delete 0, find 0/0
[  443.078276] Free swap  = 0kB
[  443.081738]  ? kvm_clock_read+0x18/0x30
[  443.085768] Total swap = 0kB
[  443.091131]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  443.094126] 1965979 pages RAM
[  443.098099]  ? print_usage_bug+0xc0/0xc0
[  443.101107] 0 pages HighMem/MovableOnly
[  443.106119]  ? __lock_acquire+0x62f/0x4c20
[  443.109203] 342854 pages reserved
[  443.113266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.117221] 0 pages cma reserved
[  443.121453]  ? should_fail+0x22d/0xd01
[  443.125008] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  443.130429]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.130448]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.130466]  ? __lock_acquire+0x62f/0x4c20
[  443.133956] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.137748]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.144213] kworker/0:2 cpuset=/ mems_allowed=0
[  443.149512]  ? __lock_acquire+0x62f/0x4c20
[  443.183125]  ? should_fail+0x22d/0xd01
[  443.187022]  ? rcu_irq_exit+0x1a2/0x390
[  443.191025]  ? mark_held_locks+0x130/0x130
[  443.195268]  ? mark_held_locks+0x130/0x130
[  443.199515]  ? mark_held_locks+0xc7/0x130
[  443.203669]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  443.208686]  ? zap_class+0x640/0x640
[  443.212404]  ? print_usage_bug+0xc0/0xc0
[  443.216471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.222014]  ? check_preemption_disabled+0x48/0x280
[  443.227047]  ? __lock_is_held+0xb5/0x140
[  443.231120]  __alloc_pages_nodemask+0xa80/0xde0
[  443.235791]  ? zap_class+0x640/0x640
[  443.239515]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  443.244547]  ? find_held_lock+0x36/0x1c0
[  443.248627]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.253301]  ? lock_downgrade+0x900/0x900
[  443.257462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.263007]  cache_grow_begin+0xa5/0x8c0
[  443.267071]  ? do_raw_spin_unlock+0xa7/0x330
[  443.271491]  fallback_alloc+0x204/0x2e0
[  443.275474]  ____cache_alloc_node+0x1c7/0x1e0
[  443.279979]  kmem_cache_alloc_node+0xe3/0x730
[  443.284481]  ? ipv6_get_ifaddr+0x42e/0x620
[  443.288735]  __alloc_skb+0x119/0x770
[  443.292451]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.297762]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.302175]  ? lock_downgrade+0x900/0x900
[  443.306339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.311892]  ? refcount_sub_and_test_checked+0x203/0x310
[  443.317373]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  443.322844]  ? addrconf_rs_timer+0x690/0x690
[  443.327266]  ndisc_alloc_skb+0x144/0x340
[  443.331339]  ndisc_send_rs+0x331/0x6e0
[  443.335240]  addrconf_rs_timer+0x314/0x690
[  443.339485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.343776]  call_timer_fn+0x272/0x920
[  443.347681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.351952]  ? process_timeout+0x40/0x40
[  443.356031]  ? __run_timers+0x7da/0xc70
[  443.360010]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.364505]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.369003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.373245]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.377832]  ? trace_hardirqs_on+0xbd/0x310
[  443.382155]  ? kasan_check_read+0x11/0x20
[  443.386301]  ? __run_timers+0x7da/0xc70
[  443.390286]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.395416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.399661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.403899]  __run_timers+0x7e5/0xc70
[  443.407712]  ? timer_fixup_init+0x70/0x70
[  443.411872]  ? lock_acquire+0x1ed/0x520
[  443.415849]  ? zap_class+0x640/0x640
[  443.419571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.425117]  ? kasan_check_read+0x11/0x20
[  443.429273]  ? do_raw_spin_lock+0x14f/0x350
[  443.433605]  ? find_held_lock+0x36/0x1c0
[  443.437673]  ? zap_class+0x640/0x640
[  443.441396]  ? pvclock_read_flags+0x160/0x160
[  443.445895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.451436]  ? check_preemption_disabled+0x48/0x280
[  443.456464]  ? __lock_is_held+0xb5/0x140
[  443.460526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.466066]  ? check_preemption_disabled+0x48/0x280
[  443.471093]  run_timer_softirq+0x52/0xb0
[  443.475162]  ? rcu_read_lock_sched_held+0x14f/0x180
[  443.480183]  __do_softirq+0x308/0xb7e
[  443.483994]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  443.488492]  ? lock_downgrade+0x900/0x900
[  443.492646]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  443.497761]  ? pvclock_read_flags+0x160/0x160
[  443.502263]  ? lapic_next_event+0x5a/0x90
[  443.506852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.512402]  ? kvm_clock_read+0x18/0x30
[  443.516383]  ? kvm_sched_clock_read+0x9/0x20
[  443.520796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.526339]  ? check_preemption_disabled+0x48/0x280
[  443.531396]  irq_exit+0x17f/0x1c0
[  443.534857]  smp_apic_timer_interrupt+0x1cb/0x760
[  443.539703]  ? smp_reschedule_interrupt+0x109/0x650
[  443.544736]  ? smp_call_function_single_interrupt+0x650/0x650
[  443.550622]  ? interrupt_entry+0xb5/0xc0
[  443.554691]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.559706]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.564738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.569583]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.574601]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.579621]  ? task_prio+0x50/0x50
[  443.583165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.588707]  ? check_preemption_disabled+0x48/0x280
[  443.593740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.598593]  apic_timer_interrupt+0xf/0x20
[  443.602822]  </IRQ>
[  443.605066] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  443.610004] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  443.628912] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  443.636622] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  443.643890] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  443.651160] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  443.658429] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  443.665698] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  443.673021]  skb_clone+0x1bb/0x500
[  443.676570]  ? finish_task_switch+0x1b4/0x910
[  443.681069]  ? skb_split+0x11e0/0x11e0
[  443.684961]  ? preempt_notifier_register+0x200/0x200
[  443.690070]  ? __switch_to_asm+0x34/0x70
[  443.694132]  ? __switch_to_asm+0x34/0x70
[  443.698192]  ? __switch_to_asm+0x40/0x70
[  443.702310]  ? __switch_to_asm+0x34/0x70
[  443.706372]  ? __switch_to_asm+0x40/0x70
[  443.710432]  ? __switch_to_asm+0x34/0x70
[  443.714492]  ? __switch_to_asm+0x40/0x70
[  443.718557]  ? __switch_to_asm+0x34/0x70
[  443.722623]  ? __switch_to_asm+0x34/0x70
[  443.726695]  ? __switch_to_asm+0x40/0x70
[  443.730778]  ? __switch_to_asm+0x34/0x70
[  443.734848]  bpf_clone_redirect+0xb9/0x490
[  443.739086]  ? __schedule+0x8d7/0x21d0
[  443.742994]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  443.748026]  ? __sched_text_start+0x8/0x8
[  443.752185]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  443.756768]  ? retint_kernel+0x2d/0x2d
[  443.760657]  ? trace_hardirqs_on_caller+0xc0/0x310
[  443.765591]  ? find_held_lock+0x36/0x1c0
[  443.769660]  ? lock_acquire+0x1ed/0x520
[  443.773637]  ? bpf_test_run+0x3cb/0x780
[  443.777615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.783158]  ? check_preemption_disabled+0x48/0x280
[  443.788193]  ? kasan_check_read+0x11/0x20
[  443.792344]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.797620]  ? rcu_softirq_qs+0x20/0x20
[  443.801599]  ? preempt_schedule+0x4d/0x60
[  443.805754]  ? ___preempt_schedule+0x16/0x18
[  443.810176]  ? bpf_test_run+0x25d/0x780
[  443.814163]  ? netlink_diag_dump+0x2a0/0x2a0
[  443.818576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.824117]  ? bpf_test_init.isra.10+0x70/0x100
[  443.828795]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  443.833573]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  443.838432]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  443.843973]  ? fput+0x130/0x1a0
[  443.847263]  ? __bpf_prog_get+0x9b/0x290
[  443.851354]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  443.856200]  ? bpf_prog_test_run+0x130/0x1a0
[  443.860617]  ? __x64_sys_bpf+0x3d8/0x520
[  443.864704]  ? bpf_prog_get+0x20/0x20
[  443.868531]  ? do_syscall_64+0x1b9/0x820
[  443.872592]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  443.877962]  ? syscall_return_slowpath+0x5e0/0x5e0
[  443.882905]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.887757]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.892779]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  443.897802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.903347]  ? prepare_exit_to_usermode+0x291/0x3b0
[  443.908372]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.913225]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  443.918614] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  443.918736] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  443.925727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  443.925752] Workqueue: events_power_efficient neigh_periodic_work
[  443.932327] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.941582] Call Trace:
[  443.947805] syz-executor1 cpuset=syz1 mems_allowed=0
[  443.958277]  <IRQ>
[  443.968114]  dump_stack+0x244/0x39d
[  443.971751]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.976958]  warn_alloc.cold.116+0xb7/0x1bd
[  443.981291]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  443.986139]  ? lock_downgrade+0x900/0x900
[  443.990300]  ? trace_hardirqs_off+0xb8/0x310
[  443.994730]  ? trace_hardirqs_off+0xb8/0x310
[  443.999147]  __alloc_pages_slowpath+0x26e8/0x2e10
[  444.004048]  ? warn_alloc+0x120/0x120
[  444.007859]  ? warn_alloc+0x120/0x120
[  444.011848]  ? warn_alloc+0x120/0x120
[  444.015656]  ? print_usage_bug+0xc0/0xc0
[  444.019726]  ? print_usage_bug+0xc0/0xc0
[  444.023809]  ? __lock_acquire+0x62f/0x4c20
[  444.028046]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.033598]  ? should_fail+0x22d/0xd01
[  444.037484]  ? zap_class+0x640/0x640
[  444.041203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.046324]  ? __lock_acquire+0x62f/0x4c20
[  444.050566]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.055670]  ? __lock_acquire+0x62f/0x4c20
[  444.059902]  ? should_fail+0x22d/0xd01
[  444.063801]  ? mark_held_locks+0x130/0x130
[  444.068071]  ? mark_held_locks+0x130/0x130
[  444.072310]  ? update_stack_state+0x1a5/0x690
[  444.076826]  ? zap_class+0x640/0x640
[  444.080539]  ? ret_from_fork+0x3a/0x50
[  444.084435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.089979]  ? check_preemption_disabled+0x48/0x280
[  444.095012]  ? __lock_is_held+0xb5/0x140
[  444.099088]  __alloc_pages_nodemask+0xa80/0xde0
[  444.103762]  ? zap_class+0x640/0x640
[  444.107489]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  444.112517]  ? find_held_lock+0x36/0x1c0
[  444.116589]  ? ____cache_alloc_node+0x1c7/0x1e0
[  444.121263]  ? lock_downgrade+0x900/0x900
[  444.125421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.130965]  cache_grow_begin+0xa5/0x8c0
[  444.135035]  ? do_raw_spin_unlock+0xa7/0x330
[  444.139457]  fallback_alloc+0x204/0x2e0
[  444.143443]  ____cache_alloc_node+0x1c7/0x1e0
[  444.147944]  kmem_cache_alloc_node+0xe3/0x730
[  444.152441]  ? mark_held_locks+0xc7/0x130
[  444.156609]  __alloc_skb+0x119/0x770
[  444.160328]  ? netdev_alloc_frag+0x1f0/0x1f0
[  444.164737]  ? do_raw_spin_trylock+0x270/0x270
[  444.169328]  ? kmem_cache_alloc_trace+0x353/0x750
[  444.174180]  ? queue_work_on+0x12c/0x1e0
[  444.178260]  ? switchdev_port_obj_del+0xdc/0x440
[  444.183031]  ? switchdev_trans_item_enqueue+0x260/0x260
[  444.188436]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  444.193469]  __br_mdb_notify+0x4ff/0x15d0
[  444.197646]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.202794]  ? __br_mdb_add+0x7f0/0x7f0
[  444.206774]  ? mark_held_locks+0x130/0x130
[  444.211020]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.216131]  ? debug_object_assert_init+0x368/0x4b0
[  444.221155]  ? debug_object_init_on_stack+0x20/0x20
[  444.226177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.231724]  br_mdb_notify+0x310/0x410
[  444.235623]  ? br_mdb_dump+0x27b0/0x27b0
[  444.239705]  br_multicast_del_pg+0x3df/0x790
[  444.244127]  ? br_mdb_ip_get+0x940/0x940
[  444.248192]  ? rwlock_bug.part.2+0x90/0x90
[  444.252439]  ? __lock_is_held+0xb5/0x140
[  444.256513]  br_multicast_port_group_expired+0x189/0x1e0
[  444.261970]  call_timer_fn+0x272/0x920
[  444.265861]  ? br_multicast_del_pg+0x790/0x790
[  444.270444]  ? process_timeout+0x40/0x40
[  444.274516]  ? mark_held_locks+0xc7/0x130
[  444.278672]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.283168]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.287666]  ? br_multicast_del_pg+0x790/0x790
[  444.292253]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.296839]  ? trace_hardirqs_on+0xbd/0x310
[  444.301165]  ? kasan_check_read+0x11/0x20
[  444.305317]  ? __run_timers+0x7da/0xc70
[  444.309295]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.314409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.318653]  ? br_multicast_del_pg+0x790/0x790
[  444.323244]  __run_timers+0x7e5/0xc70
[  444.327063]  ? timer_fixup_init+0x70/0x70
[  444.331215]  ? lock_downgrade+0x900/0x900
[  444.335370]  ? zap_class+0x640/0x640
[  444.339119]  ? print_usage_bug+0xc0/0xc0
[  444.343195]  ? trace_hardirqs_on+0x310/0x310
[  444.347655]  ? kvm_clock_read+0x18/0x30
[  444.351635]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  444.356653]  ? ktime_get+0x2c1/0x400
[  444.360374]  ? zap_class+0x640/0x640
[  444.364098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.369641]  ? check_preemption_disabled+0x48/0x280
[  444.374674]  ? __lock_is_held+0xb5/0x140
[  444.378743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.384286]  ? check_preemption_disabled+0x48/0x280
[  444.389313]  run_timer_softirq+0x52/0xb0
[  444.393381]  ? rcu_read_lock_sched_held+0x14f/0x180
[  444.398401]  __do_softirq+0x308/0xb7e
[  444.402216]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  444.407325]  ? irq_exit+0xbd/0x1c0
[  444.410866]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  444.415885]  ? smp_call_function_single_interrupt+0x650/0x650
[  444.421778]  ? ret_from_intr+0xb/0x1e
[  444.425582]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.430603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.435452]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.440479]  ? task_prio+0x50/0x50
[  444.444022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.449562]  ? check_preemption_disabled+0x48/0x280
[  444.454593]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.459443]  ? neigh_periodic_work+0x6bd/0xc60
[  444.464032]  do_softirq_own_stack+0x2a/0x40
[  444.468377]  </IRQ>
[  444.470619]  do_softirq.part.14+0x126/0x160
[  444.474945]  __local_bh_enable_ip+0x21d/0x260
[  444.479450]  _raw_write_unlock_bh+0x30/0x40
[  444.483803]  neigh_periodic_work+0x6bd/0xc60
[  444.488237]  ? neigh_table_clear+0x390/0x390
[  444.492661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.498216]  ? check_preemption_disabled+0x48/0x280
[  444.503266]  ? __lock_is_held+0xb5/0x140
[  444.507383]  process_one_work+0xc90/0x1c40
[  444.511625]  ? mark_held_locks+0x130/0x130
[  444.515875]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  444.520547]  ? __switch_to_asm+0x40/0x70
[  444.524607]  ? __switch_to_asm+0x40/0x70
[  444.528668]  ? __switch_to_asm+0x34/0x70
[  444.532727]  ? __switch_to_asm+0x40/0x70
[  444.536785]  ? __switch_to_asm+0x34/0x70
[  444.540846]  ? __switch_to_asm+0x40/0x70
[  444.544935]  ? __switch_to_asm+0x34/0x70
[  444.548996]  ? __switch_to_asm+0x40/0x70
[  444.553153]  ? __schedule+0x8d7/0x21d0
[  444.557046]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.562074]  ? lock_downgrade+0x900/0x900
[  444.566247]  ? zap_class+0x640/0x640
[  444.569968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.574827]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.579435]  ? lock_acquire+0x1ed/0x520
[  444.583415]  ? worker_thread+0x3e0/0x1390
[  444.587580]  ? kasan_check_read+0x11/0x20
[  444.591726]  ? do_raw_spin_lock+0x14f/0x350
[  444.596047]  ? kasan_check_read+0x11/0x20
[  444.600200]  ? rwlock_bug.part.2+0x90/0x90
[  444.604441]  ? trace_hardirqs_on+0x310/0x310
[  444.608868]  worker_thread+0x17f/0x1390
[  444.612847]  ? __switch_to_asm+0x34/0x70
[  444.616924]  ? process_one_work+0x1c40/0x1c40
[  444.621444]  ? zap_class+0x640/0x640
[  444.625160]  ? find_held_lock+0x36/0x1c0
[  444.629252]  ? __kthread_parkme+0xce/0x1a0
[  444.633491]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.638600]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.643707]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.648299]  ? trace_hardirqs_on+0xbd/0x310
[  444.652623]  ? kasan_check_read+0x11/0x20
[  444.656778]  ? __kthread_parkme+0xce/0x1a0
[  444.661016]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.666126]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.671246]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.676356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.681899]  ? __kthread_parkme+0xfb/0x1a0
[  444.686139]  ? process_one_work+0x1c40/0x1c40
[  444.690635]  kthread+0x35a/0x440
[  444.694016]  ? kthread_stop+0x900/0x900
[  444.698003]  ret_from_fork+0x3a/0x50
[  444.701734] warn_alloc_show_mem: 1 callbacks suppressed
[  444.701747] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  444.701750] Mem-Info:
[  444.701781] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  444.701781]  active_file:16 inactive_file:3 isolated_file:0
[  444.701781]  unevictable:0 dirty:0 writeback:0 unstable:0
[  444.701781]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  444.701781]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  444.701781]  free:13690 free_pcp:879 free_cma:0
[  444.707134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  444.714500] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  444.716902] Call Trace:
[  444.750045] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  444.759396]  <IRQ>
[  444.787245] lowmem_reserve[]: 0 2818 6321 6321
[  444.789845]  dump_stack+0x244/0x39d
[  444.815927] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  444.818090]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.822637] lowmem_reserve[]: 0 0 3503 3503
[  444.826286]  warn_alloc.cold.116+0xb7/0x1bd
[  444.853849] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  444.859060]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  444.863356] lowmem_reserve[]: 0 0 0 0
[  444.867683]  ? lock_downgrade+0x900/0x900
[  444.896983] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  444.901992]  ? trace_hardirqs_off+0xb8/0x310
[  444.902004]  ? trace_hardirqs_off+0xb8/0x310
[  444.902018]  __alloc_pages_slowpath+0x26e8/0x2e10
[  444.902041]  ? warn_alloc+0x120/0x120
[  444.902053]  ? print_usage_bug+0xc0/0xc0
[  444.902061]  ? warn_alloc+0x120/0x120
[  444.902072]  ? warn_alloc+0x120/0x120
[  444.902080]  ? print_usage_bug+0xc0/0xc0
[  444.902091]  ? kvm_clock_read+0x18/0x30
[  444.902101]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  444.902109]  ? print_usage_bug+0xc0/0xc0
[  444.902118]  ? __lock_acquire+0x62f/0x4c20
[  444.902129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.902139]  ? should_fail+0x22d/0xd01
[  444.902147]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.902157]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.902165]  ? __lock_acquire+0x62f/0x4c20
[  444.902176]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.902183]  ? __lock_acquire+0x62f/0x4c20
[  444.902190]  ? should_fail+0x22d/0xd01
[  444.902196]  ? rcu_irq_exit+0x1a2/0x390
[  444.902209]  ? mark_held_locks+0x130/0x130
[  444.902220]  ? mark_held_locks+0x130/0x130
[  444.902232]  ? mark_held_locks+0xc7/0x130
[  444.902247]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  444.902262]  ? zap_class+0x640/0x640
[  444.902279]  ? print_usage_bug+0xc0/0xc0
[  444.906071] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  444.910225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.923739] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  444.928149]  ? check_preemption_disabled+0x48/0x280
[  444.932542] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  444.937383]  ? __lock_is_held+0xb5/0x140
[  444.941166] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  444.945222]  __alloc_pages_nodemask+0xa80/0xde0
[  444.949003] 4380 total pagecache pages
[  444.952799]  ? zap_class+0x640/0x640
[  444.956851] 0 pages in swap cache
[  444.960816]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  444.965812] Swap cache stats: add 0, delete 0, find 0/0
[  444.969879]  ? find_held_lock+0x36/0x1c0
[  444.974085] Free swap  = 0kB
[  444.979628]  ? ____cache_alloc_node+0x1c7/0x1e0
[  444.983491] Total swap = 0kB
[  444.988765]  ? lock_downgrade+0x900/0x900
[  444.993849] 1965979 pages RAM
[  444.998087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.003334] 0 pages HighMem/MovableOnly
[  445.003344] 342854 pages reserved
[  445.007579]  cache_grow_begin+0xa5/0x8c0
[  445.011493] 0 pages cma reserved
[  445.015475]  ? do_raw_spin_unlock+0xa7/0x330
[  445.019867] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  445.023931]  fallback_alloc+0x204/0x2e0
[  445.028059] kworker/0:2 cpuset=/ mems_allowed=0
[  445.033074]  ____cache_alloc_node+0x1c7/0x1e0
[  445.198051]  kmem_cache_alloc_node+0xe3/0x730
[  445.202552]  ? ipv6_get_ifaddr+0x42e/0x620
[  445.206799]  __alloc_skb+0x119/0x770
[  445.210514]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.215797]  ? netdev_alloc_frag+0x1f0/0x1f0
[  445.220216]  ? lock_downgrade+0x900/0x900
[  445.224385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.229927]  ? refcount_sub_and_test_checked+0x203/0x310
[  445.235388]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  445.240846]  ? addrconf_rs_timer+0x690/0x690
[  445.245270]  ndisc_alloc_skb+0x144/0x340
[  445.249341]  ndisc_send_rs+0x331/0x6e0
[  445.253263]  addrconf_rs_timer+0x314/0x690
[  445.257512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.261769]  call_timer_fn+0x272/0x920
[  445.265659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.269899]  ? process_timeout+0x40/0x40
[  445.273970]  ? __run_timers+0x7da/0xc70
[  445.277955]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.282450]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.286950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.291188]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.295773]  ? trace_hardirqs_on+0xbd/0x310
[  445.300101]  ? kasan_check_read+0x11/0x20
[  445.304252]  ? __run_timers+0x7da/0xc70
[  445.308229]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.313349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.317591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.321825]  __run_timers+0x7e5/0xc70
[  445.325639]  ? timer_fixup_init+0x70/0x70
[  445.329795]  ? lock_acquire+0x1ed/0x520
[  445.333780]  ? zap_class+0x640/0x640
[  445.337502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.343048]  ? kasan_check_read+0x11/0x20
[  445.347202]  ? do_raw_spin_lock+0x14f/0x350
[  445.351534]  ? find_held_lock+0x36/0x1c0
[  445.355606]  ? zap_class+0x640/0x640
[  445.359327]  ? pvclock_read_flags+0x160/0x160
[  445.363833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.369377]  ? check_preemption_disabled+0x48/0x280
[  445.374407]  ? __lock_is_held+0xb5/0x140
[  445.378474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.384021]  ? check_preemption_disabled+0x48/0x280
[  445.389046]  run_timer_softirq+0x52/0xb0
[  445.393111]  ? rcu_read_lock_sched_held+0x14f/0x180
[  445.398143]  __do_softirq+0x308/0xb7e
[  445.401950]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  445.406451]  ? lock_downgrade+0x900/0x900
[  445.410643]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  445.415766]  ? pvclock_read_flags+0x160/0x160
[  445.420268]  ? lapic_next_event+0x5a/0x90
[  445.424438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.429988]  ? kvm_clock_read+0x18/0x30
[  445.433967]  ? kvm_sched_clock_read+0x9/0x20
[  445.438383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.443933]  ? check_preemption_disabled+0x48/0x280
[  445.448962]  irq_exit+0x17f/0x1c0
[  445.452429]  smp_apic_timer_interrupt+0x1cb/0x760
[  445.457444]  ? smp_reschedule_interrupt+0x109/0x650
[  445.462474]  ? smp_call_function_single_interrupt+0x650/0x650
[  445.468365]  ? interrupt_entry+0xb5/0xc0
[  445.472431]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.477453]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.482484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.487333]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.492355]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.497373]  ? task_prio+0x50/0x50
[  445.500919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.506465]  ? check_preemption_disabled+0x48/0x280
[  445.511493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.516351]  apic_timer_interrupt+0xf/0x20
[  445.520582]  </IRQ>
[  445.522824] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  445.527765] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  445.546678] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  445.554390] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  445.561662] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  445.568928] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  445.576214] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  445.583495] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  445.590822]  skb_clone+0x1bb/0x500
[  445.594373]  ? finish_task_switch+0x1b4/0x910
[  445.598876]  ? skb_split+0x11e0/0x11e0
[  445.602774]  ? preempt_notifier_register+0x200/0x200
[  445.607882]  ? __switch_to_asm+0x34/0x70
[  445.611946]  ? __switch_to_asm+0x34/0x70
[  445.616015]  ? __switch_to_asm+0x40/0x70
[  445.620079]  ? __switch_to_asm+0x34/0x70
[  445.624139]  ? __switch_to_asm+0x40/0x70
[  445.628200]  ? __switch_to_asm+0x34/0x70
[  445.632260]  ? __switch_to_asm+0x40/0x70
[  445.636318]  ? __switch_to_asm+0x34/0x70
[  445.640380]  ? __switch_to_asm+0x34/0x70
[  445.644441]  ? __switch_to_asm+0x40/0x70
[  445.648502]  ? __switch_to_asm+0x34/0x70
[  445.652571]  bpf_clone_redirect+0xb9/0x490
[  445.656811]  ? __schedule+0x8d7/0x21d0
[  445.660707]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  445.665737]  ? __sched_text_start+0x8/0x8
[  445.669893]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.674478]  ? retint_kernel+0x2d/0x2d
[  445.678372]  ? trace_hardirqs_on_caller+0xc0/0x310
[  445.683311]  ? find_held_lock+0x36/0x1c0
[  445.687385]  ? lock_acquire+0x1ed/0x520
[  445.691363]  ? bpf_test_run+0x3cb/0x780
[  445.695341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.700886]  ? check_preemption_disabled+0x48/0x280
[  445.705912]  ? kasan_check_read+0x11/0x20
[  445.710063]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.715347]  ? rcu_softirq_qs+0x20/0x20
[  445.719331]  ? preempt_schedule+0x4d/0x60
[  445.723484]  ? ___preempt_schedule+0x16/0x18
[  445.727904]  ? bpf_test_run+0x25d/0x780
[  445.731895]  ? netlink_diag_dump+0x2a0/0x2a0
[  445.736310]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.741851]  ? bpf_test_init.isra.10+0x70/0x100
[  445.746801]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  445.751597]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  445.756446]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  445.761987]  ? fput+0x130/0x1a0
[  445.765276]  ? __bpf_prog_get+0x9b/0x290
[  445.769345]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  445.774187]  ? bpf_prog_test_run+0x130/0x1a0
[  445.778603]  ? __x64_sys_bpf+0x3d8/0x520
[  445.782664]  ? bpf_prog_get+0x20/0x20
[  445.786488]  ? do_syscall_64+0x1b9/0x820
[  445.790551]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  445.795919]  ? syscall_return_slowpath+0x5e0/0x5e0
[  445.800850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.805704]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.810727]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  445.815777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.821319]  ? prepare_exit_to_usermode+0x291/0x3b0
[  445.826345]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.831198]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  445.836587] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  445.836682] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  445.843702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  445.843726] Workqueue: events_power_efficient neigh_periodic_work
[  445.843734] Call Trace:
[  445.843741]  <IRQ>
[  445.843764]  dump_stack+0x244/0x39d
[  445.850339] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  445.859606]  ? dump_stack_print_info.cold.1+0x20/0x20
[  445.865821] syz-executor1 cpuset=syz1 mems_allowed=0
[  445.868415]  warn_alloc.cold.116+0xb7/0x1bd
[  445.899202]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  445.904301]  ? lock_downgrade+0x900/0x900
[  445.908487]  ? trace_hardirqs_off+0xb8/0x310
[  445.912908]  ? trace_hardirqs_off+0xb8/0x310
[  445.917330]  __alloc_pages_slowpath+0x26e8/0x2e10
[  445.922204]  ? warn_alloc+0x120/0x120
[  445.926015]  ? warn_alloc+0x120/0x120
[  445.929821]  ? warn_alloc+0x120/0x120
[  445.933630]  ? print_usage_bug+0xc0/0xc0
[  445.937698]  ? print_usage_bug+0xc0/0xc0
[  445.941757]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  445.946957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.952507]  ? should_fail+0x22d/0xd01
[  445.956404]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.961510]  ? __lock_acquire+0x62f/0x4c20
[  445.965758]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.970861]  ? __lock_acquire+0x62f/0x4c20
[  445.975099]  ? should_fail+0x22d/0xd01
[  445.979003]  ? mark_held_locks+0x130/0x130
[  445.983254]  ? mark_held_locks+0x130/0x130
[  445.987493]  ? update_stack_state+0x1a5/0x690
[  445.992003]  ? zap_class+0x640/0x640
[  445.995723]  ? ret_from_fork+0x3a/0x50
[  445.999612]  ? __lock_acquire+0x62f/0x4c20
[  446.003868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.009451]  ? check_preemption_disabled+0x48/0x280
[  446.014471]  ? __lock_is_held+0xb5/0x140
[  446.018543]  __alloc_pages_nodemask+0xa80/0xde0
[  446.023216]  ? zap_class+0x640/0x640
[  446.026941]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  446.031970]  ? find_held_lock+0x36/0x1c0
[  446.036045]  ? ____cache_alloc_node+0x1c7/0x1e0
[  446.040719]  ? lock_downgrade+0x900/0x900
[  446.044880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.050429]  cache_grow_begin+0xa5/0x8c0
[  446.054489]  ? do_raw_spin_unlock+0xa7/0x330
[  446.058909]  fallback_alloc+0x204/0x2e0
[  446.062891]  ____cache_alloc_node+0x1c7/0x1e0
[  446.067394]  kmem_cache_alloc_node+0xe3/0x730
[  446.071895]  ? mark_held_locks+0xc7/0x130
[  446.076054]  __alloc_skb+0x119/0x770
[  446.079788]  ? netdev_alloc_frag+0x1f0/0x1f0
[  446.084204]  ? do_raw_spin_trylock+0x270/0x270
[  446.088795]  ? kmem_cache_alloc_trace+0x353/0x750
[  446.093644]  ? queue_work_on+0x12c/0x1e0
[  446.097715]  ? switchdev_port_obj_del+0xdc/0x440
[  446.102475]  ? switchdev_trans_item_enqueue+0x260/0x260
[  446.107846]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  446.112885]  __br_mdb_notify+0x4ff/0x15d0
[  446.117040]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  446.122159]  ? __br_mdb_add+0x7f0/0x7f0
[  446.126138]  ? mark_held_locks+0x130/0x130
[  446.130380]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  446.135488]  ? debug_object_assert_init+0x368/0x4b0
[  446.140508]  ? debug_object_init_on_stack+0x20/0x20
[  446.145533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.151086]  br_mdb_notify+0x310/0x410
[  446.154983]  ? br_mdb_dump+0x27b0/0x27b0
[  446.159064]  br_multicast_del_pg+0x3df/0x790
[  446.163480]  ? br_mdb_ip_get+0x940/0x940
[  446.167542]  ? rwlock_bug.part.2+0x90/0x90
[  446.171782]  ? __lock_is_held+0xb5/0x140
[  446.175857]  br_multicast_port_group_expired+0x189/0x1e0
[  446.181317]  call_timer_fn+0x272/0x920
[  446.185206]  ? br_multicast_del_pg+0x790/0x790
[  446.189793]  ? process_timeout+0x40/0x40
[  446.193866]  ? mark_held_locks+0xc7/0x130
[  446.198045]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.202562]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.207074]  ? br_multicast_del_pg+0x790/0x790
[  446.211662]  ? lockdep_hardirqs_on+0x296/0x5b0
[  446.216252]  ? trace_hardirqs_on+0xbd/0x310
[  446.220578]  ? kasan_check_read+0x11/0x20
[  446.224724]  ? __run_timers+0x7da/0xc70
[  446.228704]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.233813]  ? br_multicast_del_pg+0x790/0x790
[  446.238405]  ? br_multicast_del_pg+0x790/0x790
[  446.242987]  __run_timers+0x7e5/0xc70
[  446.246803]  ? timer_fixup_init+0x70/0x70
[  446.250951]  ? lock_downgrade+0x900/0x900
[  446.255098]  ? zap_class+0x640/0x640
[  446.258824]  ? print_usage_bug+0xc0/0xc0
[  446.262887]  ? trace_hardirqs_on+0x310/0x310
[  446.267312]  ? kvm_clock_read+0x18/0x30
[  446.271291]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  446.276308]  ? ktime_get+0x2c1/0x400
[  446.280027]  ? zap_class+0x640/0x640
[  446.283746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.289290]  ? check_preemption_disabled+0x48/0x280
[  446.294323]  ? __lock_is_held+0xb5/0x140
[  446.298389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.303927]  ? check_preemption_disabled+0x48/0x280
[  446.308949]  run_timer_softirq+0x52/0xb0
[  446.313013]  ? rcu_read_lock_sched_held+0x14f/0x180
[  446.318034]  __do_softirq+0x308/0xb7e
[  446.321846]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  446.326949]  ? irq_exit+0xbd/0x1c0
[  446.330490]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  446.335527]  ? smp_call_function_single_interrupt+0x650/0x650
[  446.341416]  ? ret_from_intr+0xb/0x1e
[  446.345225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.350258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.355108]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.360131]  ? task_prio+0x50/0x50
[  446.363678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.369221]  ? check_preemption_disabled+0x48/0x280
[  446.374258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.379110]  ? neigh_periodic_work+0x6bd/0xc60
[  446.383700]  do_softirq_own_stack+0x2a/0x40
[  446.388018]  </IRQ>
[  446.390265]  do_softirq.part.14+0x126/0x160
[  446.394590]  __local_bh_enable_ip+0x21d/0x260
[  446.399087]  _raw_write_unlock_bh+0x30/0x40
[  446.403417]  neigh_periodic_work+0x6bd/0xc60
[  446.407845]  ? neigh_table_clear+0x390/0x390
[  446.412271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.417823]  ? check_preemption_disabled+0x48/0x280
[  446.422856]  ? __lock_is_held+0xb5/0x140
[  446.426934]  process_one_work+0xc90/0x1c40
[  446.431169]  ? mark_held_locks+0x130/0x130
[  446.435418]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  446.440108]  ? __switch_to_asm+0x40/0x70
[  446.444167]  ? __switch_to_asm+0x40/0x70
[  446.448227]  ? __switch_to_asm+0x34/0x70
[  446.452391]  ? __switch_to_asm+0x40/0x70
[  446.456477]  ? __switch_to_asm+0x34/0x70
[  446.460537]  ? __switch_to_asm+0x40/0x70
[  446.464598]  ? __switch_to_asm+0x34/0x70
[  446.468659]  ? __switch_to_asm+0x40/0x70
[  446.472736]  ? __schedule+0x8d7/0x21d0
[  446.476640]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.481677]  ? lock_downgrade+0x900/0x900
[  446.485833]  ? zap_class+0x640/0x640
[  446.489548]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.494408]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  446.499016]  ? lock_acquire+0x1ed/0x520
[  446.502994]  ? worker_thread+0x3e0/0x1390
[  446.507162]  ? kasan_check_read+0x11/0x20
[  446.511319]  ? do_raw_spin_lock+0x14f/0x350
[  446.515649]  ? kasan_check_read+0x11/0x20
[  446.519809]  ? rwlock_bug.part.2+0x90/0x90
[  446.524048]  ? trace_hardirqs_on+0x310/0x310
[  446.528476]  worker_thread+0x17f/0x1390
[  446.532452]  ? __switch_to_asm+0x34/0x70
[  446.536536]  ? process_one_work+0x1c40/0x1c40
[  446.541046]  ? zap_class+0x640/0x640
[  446.544761]  ? find_held_lock+0x36/0x1c0
[  446.548852]  ? __kthread_parkme+0xce/0x1a0
[  446.553095]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  446.558212]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  446.563331]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  446.567923]  ? trace_hardirqs_on+0xbd/0x310
[  446.572256]  ? kasan_check_read+0x11/0x20
[  446.576408]  ? __kthread_parkme+0xce/0x1a0
[  446.580651]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.585780]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.590899]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  446.596012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.601552]  ? __kthread_parkme+0xfb/0x1a0
[  446.605797]  ? process_one_work+0x1c40/0x1c40
[  446.610296]  kthread+0x35a/0x440
[  446.613667]  ? kthread_stop+0x900/0x900
[  446.617660]  ret_from_fork+0x3a/0x50
[  446.621410] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  446.621417] warn_alloc_show_mem: 1 callbacks suppressed
[  446.621424] Mem-Info:
[  446.621462] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  446.621462]  active_file:16 inactive_file:3 isolated_file:0
[  446.621462]  unevictable:0 dirty:0 writeback:0 unstable:0
[  446.621462]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  446.621462]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  446.621462]  free:13690 free_pcp:879 free_cma:0
[  446.628805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  446.634179] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  446.636580] Call Trace:
[  446.670080] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  446.679445]  <IRQ>
[  446.707374] lowmem_reserve[]: 0 2818 6321 6321
[  446.710007]  dump_stack+0x244/0x39d
[  446.736139] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  446.738320]  ? dump_stack_print_info.cold.1+0x20/0x20
[  446.742858] lowmem_reserve[]: 0 0 3503 3503
[  446.746520]  warn_alloc.cold.116+0xb7/0x1bd
[  446.774096] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  446.779303]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  446.783596] lowmem_reserve[]: 0 0 0 0
[  446.787921]  ? lock_downgrade+0x900/0x900
[  446.817258] 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
[  446.822126]  ? trace_hardirqs_off+0xb8/0x310
[  446.825890] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  446.830053]  ? trace_hardirqs_off+0xb8/0x310
[  446.843571] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  446.848012]  __alloc_pages_slowpath+0x26e8/0x2e10
[  446.863276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  446.867725]  ? warn_alloc+0x120/0x120
[  446.881643] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  446.886492]  ? print_usage_bug+0xc0/0xc0
[  446.895301] 4380 total pagecache pages
[  446.899104]  ? warn_alloc+0x120/0x120
[  446.908115] 0 pages in swap cache
[  446.912177]  ? warn_alloc+0x120/0x120
[  446.916048] Swap cache stats: add 0, delete 0, find 0/0
[  446.919849]  ? print_usage_bug+0xc0/0xc0
[  446.923278] Free swap  = 0kB
[  446.927076]  ? kvm_clock_read+0x18/0x30
[  446.932416] Total swap = 0kB
[  446.936480]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  446.939475] 1965979 pages RAM
[  446.943450]  ? print_usage_bug+0xc0/0xc0
[  446.946438] 0 pages HighMem/MovableOnly
[  446.946447] 342854 pages reserved
[  446.951461]  ? __lock_acquire+0x62f/0x4c20
[  446.954547] 0 pages cma reserved
[  446.958614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.962722] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  446.966018]  ? should_fail+0x22d/0xd01
[  446.970237] kworker/0:2 cpuset=/ mems_allowed=0
[  446.973595]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.973614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.008344]  ? __lock_acquire+0x62f/0x4c20
[  447.012591]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.017695]  ? __lock_acquire+0x62f/0x4c20
[  447.021935]  ? should_fail+0x22d/0xd01
[  447.025834]  ? rcu_irq_exit+0x1a2/0x390
[  447.029831]  ? mark_held_locks+0x130/0x130
[  447.034075]  ? mark_held_locks+0x130/0x130
[  447.038330]  ? mark_held_locks+0xc7/0x130
[  447.042482]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  447.047507]  ? zap_class+0x640/0x640
[  447.051223]  ? print_usage_bug+0xc0/0xc0
[  447.055296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.060844]  ? check_preemption_disabled+0x48/0x280
[  447.065874]  ? __lock_is_held+0xb5/0x140
[  447.069944]  __alloc_pages_nodemask+0xa80/0xde0
[  447.074627]  ? zap_class+0x640/0x640
[  447.078348]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  447.083381]  ? find_held_lock+0x36/0x1c0
[  447.087456]  ? ____cache_alloc_node+0x1c7/0x1e0
[  447.092137]  ? lock_downgrade+0x900/0x900
[  447.096294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.101843]  cache_grow_begin+0xa5/0x8c0
[  447.105906]  ? do_raw_spin_unlock+0xa7/0x330
[  447.110326]  fallback_alloc+0x204/0x2e0
[  447.114310]  ____cache_alloc_node+0x1c7/0x1e0
[  447.118814]  kmem_cache_alloc_node+0xe3/0x730
[  447.123313]  ? ipv6_get_ifaddr+0x42e/0x620
[  447.127583]  __alloc_skb+0x119/0x770
[  447.131302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.136584]  ? netdev_alloc_frag+0x1f0/0x1f0
[  447.141003]  ? lock_downgrade+0x900/0x900
[  447.145162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.150725]  ? refcount_sub_and_test_checked+0x203/0x310
[  447.156191]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  447.161651]  ? addrconf_rs_timer+0x690/0x690
[  447.166074]  ndisc_alloc_skb+0x144/0x340
[  447.170141]  ndisc_send_rs+0x331/0x6e0
[  447.174034]  addrconf_rs_timer+0x314/0x690
[  447.178277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  447.182524]  call_timer_fn+0x272/0x920
[  447.186411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  447.190646]  ? process_timeout+0x40/0x40
[  447.194714]  ? __run_timers+0x7da/0xc70
[  447.198725]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.203227]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.207722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  447.211977]  ? lockdep_hardirqs_on+0x296/0x5b0
[  447.216568]  ? trace_hardirqs_on+0xbd/0x310
[  447.220894]  ? kasan_check_read+0x11/0x20
[  447.225044]  ? __run_timers+0x7da/0xc70
[  447.229023]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.234132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  447.238373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  447.242613]  __run_timers+0x7e5/0xc70
[  447.246428]  ? timer_fixup_init+0x70/0x70
[  447.250584]  ? lock_acquire+0x1ed/0x520
[  447.254559]  ? zap_class+0x640/0x640
[  447.258275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.263821]  ? kasan_check_read+0x11/0x20
[  447.267999]  ? do_raw_spin_lock+0x14f/0x350
[  447.272342]  ? find_held_lock+0x36/0x1c0
[  447.276412]  ? zap_class+0x640/0x640
[  447.280143]  ? pvclock_read_flags+0x160/0x160
[  447.284645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.290188]  ? check_preemption_disabled+0x48/0x280
[  447.295219]  ? __lock_is_held+0xb5/0x140
[  447.299287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.304830]  ? check_preemption_disabled+0x48/0x280
[  447.309855]  run_timer_softirq+0x52/0xb0
[  447.313927]  ? rcu_read_lock_sched_held+0x14f/0x180
[  447.318950]  __do_softirq+0x308/0xb7e
[  447.322773]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  447.327272]  ? lock_downgrade+0x900/0x900
[  447.331428]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  447.336543]  ? pvclock_read_flags+0x160/0x160
[  447.341041]  ? lapic_next_event+0x5a/0x90
[  447.345203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.350751]  ? kvm_clock_read+0x18/0x30
[  447.354727]  ? kvm_sched_clock_read+0x9/0x20
[  447.359149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.364691]  ? check_preemption_disabled+0x48/0x280
[  447.369736]  irq_exit+0x17f/0x1c0
[  447.373193]  smp_apic_timer_interrupt+0x1cb/0x760
[  447.378038]  ? smp_reschedule_interrupt+0x109/0x650
[  447.383060]  ? smp_call_function_single_interrupt+0x650/0x650
[  447.388945]  ? interrupt_entry+0xb5/0xc0
[  447.393018]  ? trace_hardirqs_off_caller+0xbb/0x310
[  447.398036]  ? trace_hardirqs_off_caller+0xbb/0x310
[  447.403053]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.407902]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.412924]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.417947]  ? task_prio+0x50/0x50
[  447.421503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.427057]  ? check_preemption_disabled+0x48/0x280
[  447.432086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.436939]  apic_timer_interrupt+0xf/0x20
[  447.441194]  </IRQ>
[  447.443436] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  447.448368] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  447.467296] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  447.475007] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  447.482277] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  447.489546] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  447.496816] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  447.504085] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  447.511402]  skb_clone+0x1bb/0x500
[  447.514948]  ? finish_task_switch+0x1b4/0x910
[  447.519450]  ? skb_split+0x11e0/0x11e0
[  447.523344]  ? preempt_notifier_register+0x200/0x200
[  447.528449]  ? __switch_to_asm+0x34/0x70
[  447.532521]  ? __switch_to_asm+0x34/0x70
[  447.536593]  ? __switch_to_asm+0x40/0x70
[  447.540662]  ? __switch_to_asm+0x34/0x70
[  447.544721]  ? __switch_to_asm+0x40/0x70
[  447.548790]  ? __switch_to_asm+0x34/0x70
[  447.552848]  ? __switch_to_asm+0x40/0x70
[  447.556906]  ? __switch_to_asm+0x34/0x70
[  447.560977]  ? __switch_to_asm+0x34/0x70
[  447.565036]  ? __switch_to_asm+0x40/0x70
[  447.569094]  ? __switch_to_asm+0x34/0x70
[  447.573164]  bpf_clone_redirect+0xb9/0x490
[  447.577402]  ? __schedule+0x8d7/0x21d0
[  447.581297]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  447.586320]  ? __sched_text_start+0x8/0x8
[  447.590478]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  447.595063]  ? retint_kernel+0x2d/0x2d
[  447.598955]  ? trace_hardirqs_on_caller+0xc0/0x310
[  447.603900]  ? find_held_lock+0x36/0x1c0
[  447.607976]  ? lock_acquire+0x1ed/0x520
[  447.611957]  ? bpf_test_run+0x3cb/0x780
[  447.615945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.621497]  ? check_preemption_disabled+0x48/0x280
[  447.626523]  ? kasan_check_read+0x11/0x20
[  447.630673]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.635951]  ? rcu_softirq_qs+0x20/0x20
[  447.639935]  ? preempt_schedule+0x4d/0x60
[  447.644094]  ? ___preempt_schedule+0x16/0x18
[  447.648511]  ? bpf_test_run+0x25d/0x780
[  447.652498]  ? netlink_diag_dump+0x2a0/0x2a0
[  447.656915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.662456]  ? bpf_test_init.isra.10+0x70/0x100
[  447.667132]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  447.671898]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  447.676750]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  447.682290]  ? fput+0x130/0x1a0
[  447.685578]  ? __bpf_prog_get+0x9b/0x290
[  447.689649]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  447.694489]  ? bpf_prog_test_run+0x130/0x1a0
[  447.698906]  ? __x64_sys_bpf+0x3d8/0x520
[  447.702980]  ? bpf_prog_get+0x20/0x20
[  447.706806]  ? do_syscall_64+0x1b9/0x820
[  447.710867]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  447.716234]  ? syscall_return_slowpath+0x5e0/0x5e0
[  447.721164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.726021]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.731039]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  447.736056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.741596]  ? prepare_exit_to_usermode+0x291/0x3b0
[  447.746621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.751472]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  447.756859] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  447.756948] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  447.763969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  447.763992] Workqueue: events_power_efficient neigh_periodic_work
[  447.764000] Call Trace:
[  447.764008]  <IRQ>
[  447.764030]  dump_stack+0x244/0x39d
[  447.770603] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  447.779864]  ? dump_stack_print_info.cold.1+0x20/0x20
[  447.786076] syz-executor1 cpuset=syz1 mems_allowed=0
[  447.788673]  warn_alloc.cold.116+0xb7/0x1bd
[  447.819481]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  447.824332]  ? lock_downgrade+0x900/0x900
[  447.828493]  ? trace_hardirqs_off+0xb8/0x310
[  447.832917]  ? trace_hardirqs_off+0xb8/0x310
[  447.837344]  __alloc_pages_slowpath+0x26e8/0x2e10
[  447.842218]  ? warn_alloc+0x120/0x120
[  447.846030]  ? warn_alloc+0x120/0x120
[  447.849840]  ? warn_alloc+0x120/0x120
[  447.853646]  ? print_usage_bug+0xc0/0xc0
[  447.857708]  ? __lock_acquire+0x62f/0x4c20
[  447.862003]  ? __lock_acquire+0x62f/0x4c20
[  447.866253]  ? print_usage_bug+0xc0/0xc0
[  447.870317]  ? __lock_acquire+0x62f/0x4c20
[  447.874566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.880108]  ? should_fail+0x22d/0xd01
[  447.884000]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.889109]  ? __lock_acquire+0x62f/0x4c20
[  447.893350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.898457]  ? __lock_acquire+0x62f/0x4c20
[  447.902694]  ? should_fail+0x22d/0xd01
[  447.906596]  ? mark_held_locks+0x130/0x130
[  447.910837]  ? mark_held_locks+0x130/0x130
[  447.915071]  ? find_held_lock+0x36/0x1c0
[  447.919145]  ? zap_class+0x640/0x640
[  447.922862]  ? print_usage_bug+0xc0/0xc0
[  447.926922]  ? zap_class+0x640/0x640
[  447.930641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.936184]  ? check_preemption_disabled+0x48/0x280
[  447.941210]  ? __lock_is_held+0xb5/0x140
[  447.945290]  __alloc_pages_nodemask+0xa80/0xde0
[  447.949962]  ? zap_class+0x640/0x640
[  447.953689]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  447.958759]  ? find_held_lock+0x36/0x1c0
[  447.962834]  ? ____cache_alloc_node+0x1c7/0x1e0
[  447.967518]  ? lock_downgrade+0x900/0x900
[  447.971676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.977220]  cache_grow_begin+0xa5/0x8c0
[  447.981290]  ? do_raw_spin_unlock+0xa7/0x330
[  447.985712]  fallback_alloc+0x204/0x2e0
[  447.989722]  ____cache_alloc_node+0x1c7/0x1e0
[  447.994249]  kmem_cache_alloc_node+0xe3/0x730
[  447.998759]  ? ipv6_get_ifaddr+0x42e/0x620
[  448.003012]  __alloc_skb+0x119/0x770
[  448.006731]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.012193]  ? netdev_alloc_frag+0x1f0/0x1f0
[  448.016623]  ? lock_downgrade+0x900/0x900
[  448.020787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.026325]  ? refcount_sub_and_test_checked+0x203/0x310
[  448.031809]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  448.037273]  ? addrconf_rs_timer+0x690/0x690
[  448.041696]  ndisc_alloc_skb+0x144/0x340
[  448.045768]  ndisc_send_rs+0x331/0x6e0
[  448.049665]  addrconf_rs_timer+0x314/0x690
[  448.053912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.058166]  call_timer_fn+0x272/0x920
[  448.062054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.066292]  ? process_timeout+0x40/0x40
[  448.070368]  ? mark_held_locks+0xc7/0x130
[  448.074521]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.079022]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.083521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.087758]  ? lockdep_hardirqs_on+0x296/0x5b0
[  448.092345]  ? trace_hardirqs_on+0xbd/0x310
[  448.096668]  ? kasan_check_read+0x11/0x20
[  448.100815]  ? __run_timers+0x7da/0xc70
[  448.104793]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.109916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.114168]  __run_timers+0x7e5/0xc70
[  448.117981]  ? timer_fixup_init+0x70/0x70
[  448.122135]  ? lock_downgrade+0x900/0x900
[  448.126285]  ? zap_class+0x640/0x640
[  448.130012]  ? print_usage_bug+0xc0/0xc0
[  448.134077]  ? trace_hardirqs_on+0x310/0x310
[  448.138496]  ? kvm_clock_read+0x18/0x30
[  448.142473]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  448.147489]  ? ktime_get+0x2c1/0x400
[  448.151207]  ? zap_class+0x640/0x640
[  448.154962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.160516]  ? check_preemption_disabled+0x48/0x280
[  448.165544]  ? __lock_is_held+0xb5/0x140
[  448.169606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.175150]  ? check_preemption_disabled+0x48/0x280
[  448.180181]  run_timer_softirq+0x52/0xb0
[  448.184269]  ? rcu_read_lock_sched_held+0x14f/0x180
[  448.189290]  __do_softirq+0x308/0xb7e
[  448.193114]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  448.198254]  ? irq_exit+0xbd/0x1c0
[  448.201813]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  448.206831]  ? smp_call_function_single_interrupt+0x650/0x650
[  448.212720]  ? ret_from_intr+0xb/0x1e
[  448.216528]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.221549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.226396]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.231418]  ? task_prio+0x50/0x50
[  448.234963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.240510]  ? check_preemption_disabled+0x48/0x280
[  448.245540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.250394]  ? neigh_periodic_work+0x6bd/0xc60
[  448.254985]  do_softirq_own_stack+0x2a/0x40
[  448.259310]  </IRQ>
[  448.261549]  do_softirq.part.14+0x126/0x160
[  448.265872]  __local_bh_enable_ip+0x21d/0x260
[  448.270371]  _raw_write_unlock_bh+0x30/0x40
[  448.274699]  neigh_periodic_work+0x6bd/0xc60
[  448.279123]  ? neigh_table_clear+0x390/0x390
[  448.283544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.289093]  ? check_preemption_disabled+0x48/0x280
[  448.294124]  ? __lock_is_held+0xb5/0x140
[  448.298206]  process_one_work+0xc90/0x1c40
[  448.302448]  ? mark_held_locks+0x130/0x130
[  448.306696]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  448.311365]  ? __switch_to_asm+0x40/0x70
[  448.315425]  ? __switch_to_asm+0x40/0x70
[  448.319485]  ? __switch_to_asm+0x34/0x70
[  448.323546]  ? __switch_to_asm+0x40/0x70
[  448.327607]  ? __switch_to_asm+0x34/0x70
[  448.331665]  ? __switch_to_asm+0x40/0x70
[  448.335722]  ? __switch_to_asm+0x34/0x70
[  448.339785]  ? __switch_to_asm+0x40/0x70
[  448.343860]  ? __schedule+0x8d7/0x21d0
[  448.347755]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.352788]  ? lock_downgrade+0x900/0x900
[  448.356944]  ? zap_class+0x640/0x640
[  448.360665]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.365527]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  448.370127]  ? lock_acquire+0x1ed/0x520
[  448.374104]  ? worker_thread+0x3e0/0x1390
[  448.378274]  ? kasan_check_read+0x11/0x20
[  448.382513]  ? do_raw_spin_lock+0x14f/0x350
[  448.386834]  ? kasan_check_read+0x11/0x20
[  448.390991]  ? rwlock_bug.part.2+0x90/0x90
[  448.395229]  ? trace_hardirqs_on+0x310/0x310
[  448.399662]  worker_thread+0x17f/0x1390
[  448.403644]  ? __switch_to_asm+0x34/0x70
[  448.407719]  ? process_one_work+0x1c40/0x1c40
[  448.412227]  ? zap_class+0x640/0x640
[  448.415951]  ? find_held_lock+0x36/0x1c0
[  448.420042]  ? __kthread_parkme+0xce/0x1a0
[  448.424286]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  448.429392]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  448.434503]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  448.439095]  ? trace_hardirqs_on+0xbd/0x310
[  448.443420]  ? kasan_check_read+0x11/0x20
[  448.447576]  ? __kthread_parkme+0xce/0x1a0
[  448.451818]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.456923]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.462044]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  448.467174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.472741]  ? __kthread_parkme+0xfb/0x1a0
[  448.476996]  ? process_one_work+0x1c40/0x1c40
[  448.481505]  kthread+0x35a/0x440
[  448.484886]  ? kthread_stop+0x900/0x900
[  448.488872]  ret_from_fork+0x3a/0x50
[  448.492607] warn_alloc_show_mem: 1 callbacks suppressed
[  448.492619] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  448.492621] Mem-Info:
[  448.492653] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  448.492653]  active_file:16 inactive_file:3 isolated_file:0
[  448.492653]  unevictable:0 dirty:0 writeback:0 unstable:0
[  448.492653]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  448.492653]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  448.492653]  free:13690 free_pcp:879 free_cma:0
[  448.498000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  448.498009] Call Trace:
[  448.505387] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  448.507794]  <IRQ>
[  448.540771] 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
[  448.550166]  dump_stack+0x244/0x39d
[  448.552726] lowmem_reserve[]: 0 2818 6321 6321
[  448.580621]  ? dump_stack_print_info.cold.1+0x20/0x20
[  448.582745] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  448.608884]  warn_alloc.cold.116+0xb7/0x1bd
[  448.612474] lowmem_reserve[]: 0 0 3503 3503
[  448.617064]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  448.622238] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  448.649844]  ? lock_downgrade+0x900/0x900
[  448.654145] lowmem_reserve[]: 0 0 0 0
[  448.658470]  ? trace_hardirqs_off+0xb8/0x310
[  448.663289] 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
[  448.692654]  ? trace_hardirqs_off+0xb8/0x310
[  448.696786] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  448.700593]  __alloc_pages_slowpath+0x26e8/0x2e10
[  448.704981] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  448.718540]  ? warn_alloc+0x120/0x120
[  448.722914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  448.738170]  ? print_usage_bug+0xc0/0xc0
[  448.743011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  448.756964]  ? warn_alloc+0x120/0x120
[  448.760747] 4380 total pagecache pages
[  448.769583]  ? warn_alloc+0x120/0x120
[  448.773629] 0 pages in swap cache
[  448.782201]  ? print_usage_bug+0xc0/0xc0
[  448.785975] Swap cache stats: add 0, delete 0, find 0/0
[  448.785985] Free swap  = 0kB
[  448.789870]  ? kvm_clock_read+0x18/0x30
[  448.793651] Total swap = 0kB
[  448.797102]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  448.801143] 1965979 pages RAM
[  448.806507]  ? print_usage_bug+0xc0/0xc0
[  448.809505] 0 pages HighMem/MovableOnly
[  448.813481]  ? __lock_acquire+0x62f/0x4c20
[  448.816485] 342854 pages reserved
[  448.821501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.824581] 0 pages cma reserved
[  448.828641]  ? should_fail+0x22d/0xd01
[  448.832665] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  448.836815]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.836835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.840377] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  448.845808]  ? __lock_acquire+0x62f/0x4c20
[  448.849153] kworker/0:2 cpuset=/ mems_allowed=0
[  448.853039]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.894120]  ? __lock_acquire+0x62f/0x4c20
[  448.898375]  ? should_fail+0x22d/0xd01
[  448.902489]  ? rcu_irq_exit+0x1a2/0x390
[  448.906479]  ? mark_held_locks+0x130/0x130
[  448.910728]  ? mark_held_locks+0x130/0x130
[  448.914985]  ? mark_held_locks+0xc7/0x130
[  448.919142]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  448.924160]  ? zap_class+0x640/0x640
[  448.927887]  ? print_usage_bug+0xc0/0xc0
[  448.931950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.937515]  ? check_preemption_disabled+0x48/0x280
[  448.942546]  ? __lock_is_held+0xb5/0x140
[  448.946615]  __alloc_pages_nodemask+0xa80/0xde0
[  448.951292]  ? zap_class+0x640/0x640
[  448.955023]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  448.960064]  ? find_held_lock+0x36/0x1c0
[  448.964139]  ? ____cache_alloc_node+0x1c7/0x1e0
[  448.968817]  ? lock_downgrade+0x900/0x900
[  448.972987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.978554]  cache_grow_begin+0xa5/0x8c0
[  448.982641]  ? do_raw_spin_unlock+0xa7/0x330
[  448.987074]  fallback_alloc+0x204/0x2e0
[  448.991069]  ____cache_alloc_node+0x1c7/0x1e0
[  448.995579]  kmem_cache_alloc_node+0xe3/0x730
[  449.000084]  ? ipv6_get_ifaddr+0x42e/0x620
[  449.004340]  __alloc_skb+0x119/0x770
[  449.008058]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.013355]  ? netdev_alloc_frag+0x1f0/0x1f0
[  449.017777]  ? lock_downgrade+0x900/0x900
[  449.021962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.027538]  ? refcount_sub_and_test_checked+0x203/0x310
[  449.033010]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  449.038468]  ? addrconf_rs_timer+0x690/0x690
[  449.042895]  ndisc_alloc_skb+0x144/0x340
[  449.046963]  ndisc_send_rs+0x331/0x6e0
[  449.050883]  addrconf_rs_timer+0x314/0x690
[  449.055126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.059381]  call_timer_fn+0x272/0x920
[  449.063271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.067513]  ? process_timeout+0x40/0x40
[  449.071584]  ? __run_timers+0x7da/0xc70
[  449.075561]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.080059]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.084555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.088816]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.093400]  ? trace_hardirqs_on+0xbd/0x310
[  449.097727]  ? kasan_check_read+0x11/0x20
[  449.101890]  ? __run_timers+0x7da/0xc70
[  449.105871]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.110983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.115226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.119460]  __run_timers+0x7e5/0xc70
[  449.123279]  ? timer_fixup_init+0x70/0x70
[  449.127450]  ? lock_acquire+0x1ed/0x520
[  449.131430]  ? zap_class+0x640/0x640
[  449.135149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.140694]  ? kasan_check_read+0x11/0x20
[  449.144844]  ? do_raw_spin_lock+0x14f/0x350
[  449.149179]  ? find_held_lock+0x36/0x1c0
[  449.153245]  ? zap_class+0x640/0x640
[  449.156971]  ? pvclock_read_flags+0x160/0x160
[  449.161471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.167013]  ? check_preemption_disabled+0x48/0x280
[  449.172045]  ? __lock_is_held+0xb5/0x140
[  449.176113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.181675]  ? check_preemption_disabled+0x48/0x280
[  449.186702]  run_timer_softirq+0x52/0xb0
[  449.190773]  ? rcu_read_lock_sched_held+0x14f/0x180
[  449.195797]  __do_softirq+0x308/0xb7e
[  449.199606]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  449.204108]  ? lock_downgrade+0x900/0x900
[  449.208269]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  449.213387]  ? pvclock_read_flags+0x160/0x160
[  449.217889]  ? lapic_next_event+0x5a/0x90
[  449.222043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.227586]  ? kvm_clock_read+0x18/0x30
[  449.231561]  ? kvm_sched_clock_read+0x9/0x20
[  449.235972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.241516]  ? check_preemption_disabled+0x48/0x280
[  449.246549]  irq_exit+0x17f/0x1c0
[  449.250005]  smp_apic_timer_interrupt+0x1cb/0x760
[  449.254848]  ? smp_reschedule_interrupt+0x109/0x650
[  449.259868]  ? smp_call_function_single_interrupt+0x650/0x650
[  449.265761]  ? interrupt_entry+0xb5/0xc0
[  449.269841]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.274873]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.279893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.284743]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.289768]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.294787]  ? task_prio+0x50/0x50
[  449.298339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.303881]  ? check_preemption_disabled+0x48/0x280
[  449.308906]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.313764]  apic_timer_interrupt+0xf/0x20
[  449.318001]  </IRQ>
[  449.320247] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  449.325181] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  449.344086] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  449.351797] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  449.359064] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  449.366335] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  449.373606] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  449.380877] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  449.388193]  skb_clone+0x1bb/0x500
[  449.391743]  ? finish_task_switch+0x1b4/0x910
[  449.396242]  ? skb_split+0x11e0/0x11e0
[  449.400134]  ? preempt_notifier_register+0x200/0x200
[  449.405236]  ? __switch_to_asm+0x34/0x70
[  449.409314]  ? __switch_to_asm+0x34/0x70
[  449.413374]  ? __switch_to_asm+0x40/0x70
[  449.417432]  ? __switch_to_asm+0x34/0x70
[  449.421490]  ? __switch_to_asm+0x40/0x70
[  449.425553]  ? __switch_to_asm+0x34/0x70
[  449.429610]  ? __switch_to_asm+0x40/0x70
[  449.433667]  ? __switch_to_asm+0x34/0x70
[  449.437727]  ? __switch_to_asm+0x34/0x70
[  449.441792]  ? __switch_to_asm+0x40/0x70
[  449.445850]  ? __switch_to_asm+0x34/0x70
[  449.449921]  bpf_clone_redirect+0xb9/0x490
[  449.454159]  ? __schedule+0x8d7/0x21d0
[  449.458054]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  449.463086]  ? __sched_text_start+0x8/0x8
[  449.467258]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  449.471840]  ? retint_kernel+0x2d/0x2d
[  449.475738]  ? trace_hardirqs_on_caller+0xc0/0x310
[  449.480678]  ? find_held_lock+0x36/0x1c0
[  449.484759]  ? lock_acquire+0x1ed/0x520
[  449.488742]  ? bpf_test_run+0x3cb/0x780
[  449.492725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.498278]  ? check_preemption_disabled+0x48/0x280
[  449.503306]  ? kasan_check_read+0x11/0x20
[  449.507456]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.512738]  ? rcu_softirq_qs+0x20/0x20
[  449.516721]  ? preempt_schedule+0x4d/0x60
[  449.520878]  ? ___preempt_schedule+0x16/0x18
[  449.525298]  ? bpf_test_run+0x25d/0x780
[  449.529306]  ? netlink_diag_dump+0x2a0/0x2a0
[  449.533722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.539266]  ? bpf_test_init.isra.10+0x70/0x100
[  449.543946]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  449.548713]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  449.553564]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  449.559107]  ? fput+0x130/0x1a0
[  449.562393]  ? __bpf_prog_get+0x9b/0x290
[  449.566462]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  449.571309]  ? bpf_prog_test_run+0x130/0x1a0
[  449.575744]  ? __x64_sys_bpf+0x3d8/0x520
[  449.579812]  ? bpf_prog_get+0x20/0x20
[  449.583636]  ? do_syscall_64+0x1b9/0x820
[  449.587698]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  449.593072]  ? syscall_return_slowpath+0x5e0/0x5e0
[  449.598005]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.602852]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.607901]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  449.612923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.618467]  ? prepare_exit_to_usermode+0x291/0x3b0
[  449.623494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.628349]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  449.633741] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  449.633837] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  449.640856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  449.640882] Workqueue: events_power_efficient neigh_periodic_work
[  449.640889] Call Trace:
[  449.640900]  <IRQ>
[  449.647450] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  449.656744]  dump_stack+0x244/0x39d
[  449.662962] syz-executor1 cpuset=syz1 mems_allowed=0
[  449.665553]  ? dump_stack_print_info.cold.1+0x20/0x20
[  449.692066]  warn_alloc.cold.116+0xb7/0x1bd
[  449.696399]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  449.701257]  ? lock_downgrade+0x900/0x900
[  449.705417]  ? trace_hardirqs_off+0xb8/0x310
[  449.709838]  ? trace_hardirqs_off+0xb8/0x310
[  449.714264]  __alloc_pages_slowpath+0x26e8/0x2e10
[  449.719141]  ? warn_alloc+0x120/0x120
[  449.722951]  ? print_usage_bug+0xc0/0xc0
[  449.727031]  ? warn_alloc+0x120/0x120
[  449.730858]  ? warn_alloc+0x120/0x120
[  449.734683]  ? print_usage_bug+0xc0/0xc0
[  449.738756]  ? kvm_clock_read+0x18/0x30
[  449.742742]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  449.747786]  ? print_usage_bug+0xc0/0xc0
[  449.751863]  ? __lock_acquire+0x62f/0x4c20
[  449.756115]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.761658]  ? should_fail+0x22d/0xd01
[  449.765549]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.770833]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.775944]  ? __lock_acquire+0x62f/0x4c20
[  449.780195]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.785303]  ? __lock_acquire+0x62f/0x4c20
[  449.789541]  ? should_fail+0x22d/0xd01
[  449.793430]  ? rcu_irq_exit+0x1a2/0x390
[  449.797415]  ? mark_held_locks+0x130/0x130
[  449.801656]  ? mark_held_locks+0x130/0x130
[  449.805897]  ? mark_held_locks+0xc7/0x130
[  449.810050]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  449.815067]  ? zap_class+0x640/0x640
[  449.818782]  ? print_usage_bug+0xc0/0xc0
[  449.822860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.828401]  ? check_preemption_disabled+0x48/0x280
[  449.833436]  ? __lock_is_held+0xb5/0x140
[  449.837505]  __alloc_pages_nodemask+0xa80/0xde0
[  449.842176]  ? zap_class+0x640/0x640
[  449.845898]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  449.850929]  ? find_held_lock+0x36/0x1c0
[  449.855013]  ? ____cache_alloc_node+0x1c7/0x1e0
[  449.859688]  ? lock_downgrade+0x900/0x900
[  449.863845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.869398]  cache_grow_begin+0xa5/0x8c0
[  449.873461]  ? do_raw_spin_unlock+0xa7/0x330
[  449.877879]  fallback_alloc+0x204/0x2e0
[  449.881861]  ____cache_alloc_node+0x1c7/0x1e0
[  449.886366]  kmem_cache_alloc_node+0xe3/0x730
[  449.890863]  ? ipv6_get_ifaddr+0x42e/0x620
[  449.895114]  __alloc_skb+0x119/0x770
[  449.898831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.904293]  ? netdev_alloc_frag+0x1f0/0x1f0
[  449.908715]  ? lock_downgrade+0x900/0x900
[  449.912877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.918418]  ? refcount_sub_and_test_checked+0x203/0x310
[  449.923874]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  449.929326]  ? addrconf_rs_timer+0x690/0x690
[  449.933747]  ndisc_alloc_skb+0x144/0x340
[  449.937828]  ndisc_send_rs+0x331/0x6e0
[  449.941757]  addrconf_rs_timer+0x314/0x690
[  449.946012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.950265]  call_timer_fn+0x272/0x920
[  449.954179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.958421]  ? process_timeout+0x40/0x40
[  449.962498]  ? mark_held_locks+0xc7/0x130
[  449.966653]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.971152]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.975645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.979882]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.984470]  ? trace_hardirqs_on+0xbd/0x310
[  449.988794]  ? kasan_check_read+0x11/0x20
[  449.992942]  ? __run_timers+0x7da/0xc70
[  449.996926]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.002063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.006304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.010686]  __run_timers+0x7e5/0xc70
[  450.014503]  ? timer_fixup_init+0x70/0x70
[  450.018654]  ? lock_downgrade+0x900/0x900
[  450.022801]  ? zap_class+0x640/0x640
[  450.026532]  ? print_usage_bug+0xc0/0xc0
[  450.030615]  ? trace_hardirqs_on+0x310/0x310
[  450.035058]  ? kvm_clock_read+0x18/0x30
[  450.039067]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  450.044097]  ? ktime_get+0x2c1/0x400
[  450.047844]  ? zap_class+0x640/0x640
[  450.051575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.057126]  ? check_preemption_disabled+0x48/0x280
[  450.062165]  ? __lock_is_held+0xb5/0x140
[  450.066247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.071799]  ? check_preemption_disabled+0x48/0x280
[  450.076829]  run_timer_softirq+0x52/0xb0
[  450.080915]  ? rcu_read_lock_sched_held+0x14f/0x180
[  450.085940]  __do_softirq+0x308/0xb7e
[  450.089754]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  450.094865]  ? irq_exit+0xbd/0x1c0
[  450.098410]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  450.103441]  ? smp_call_function_single_interrupt+0x650/0x650
[  450.109337]  ? ret_from_intr+0xb/0x1e
[  450.113145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.118167]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.123021]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.128141]  ? task_prio+0x50/0x50
[  450.131698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.137253]  ? check_preemption_disabled+0x48/0x280
[  450.142286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.147138]  ? neigh_periodic_work+0x6bd/0xc60
[  450.151732]  do_softirq_own_stack+0x2a/0x40
[  450.156056]  </IRQ>
[  450.158306]  do_softirq.part.14+0x126/0x160
[  450.162630]  __local_bh_enable_ip+0x21d/0x260
[  450.167164]  _raw_write_unlock_bh+0x30/0x40
[  450.171512]  neigh_periodic_work+0x6bd/0xc60
[  450.175959]  ? neigh_table_clear+0x390/0x390
[  450.180390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.185943]  ? check_preemption_disabled+0x48/0x280
[  450.190974]  ? __lock_is_held+0xb5/0x140
[  450.195053]  process_one_work+0xc90/0x1c40
[  450.199329]  ? mark_held_locks+0x130/0x130
[  450.203591]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  450.208264]  ? __switch_to_asm+0x40/0x70
[  450.212330]  ? __switch_to_asm+0x40/0x70
[  450.216402]  ? __switch_to_asm+0x34/0x70
[  450.220475]  ? __switch_to_asm+0x40/0x70
[  450.224541]  ? __switch_to_asm+0x34/0x70
[  450.228602]  ? __switch_to_asm+0x40/0x70
[  450.232664]  ? __switch_to_asm+0x34/0x70
[  450.236723]  ? __switch_to_asm+0x40/0x70
[  450.240808]  ? __schedule+0x8d7/0x21d0
[  450.244802]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.249842]  ? lock_downgrade+0x900/0x900
[  450.254014]  ? zap_class+0x640/0x640
[  450.257742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.262622]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  450.267247]  ? lock_acquire+0x1ed/0x520
[  450.271228]  ? worker_thread+0x3e0/0x1390
[  450.275400]  ? kasan_check_read+0x11/0x20
[  450.279551]  ? do_raw_spin_lock+0x14f/0x350
[  450.283876]  ? kasan_check_read+0x11/0x20
[  450.288039]  ? rwlock_bug.part.2+0x90/0x90
[  450.292363]  ? trace_hardirqs_on+0x310/0x310
[  450.296788]  worker_thread+0x17f/0x1390
[  450.300773]  ? __switch_to_asm+0x34/0x70
[  450.304868]  ? process_one_work+0x1c40/0x1c40
[  450.309384]  ? zap_class+0x640/0x640
[  450.313104]  ? find_held_lock+0x36/0x1c0
[  450.317192]  ? __kthread_parkme+0xce/0x1a0
[  450.321437]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  450.326541]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  450.331646]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  450.336241]  ? trace_hardirqs_on+0xbd/0x310
[  450.340568]  ? kasan_check_read+0x11/0x20
[  450.344722]  ? __kthread_parkme+0xce/0x1a0
[  450.348969]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.354078]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.359197]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  450.364314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.369858]  ? __kthread_parkme+0xfb/0x1a0
[  450.374103]  ? process_one_work+0x1c40/0x1c40
[  450.378601]  kthread+0x35a/0x440
[  450.381970]  ? kthread_stop+0x900/0x900
[  450.385954]  ret_from_fork+0x3a/0x50
[  450.389703] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  450.389708] warn_alloc_show_mem: 1 callbacks suppressed
[  450.389716] Mem-Info:
[  450.397103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  450.402476] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  450.402476]  active_file:16 inactive_file:3 isolated_file:0
[  450.402476]  unevictable:0 dirty:0 writeback:0 unstable:0
[  450.402476]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  450.402476]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  450.402476]  free:13690 free_pcp:879 free_cma:0
[  450.404853] Call Trace:
[  450.414255] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  450.447296]  <IRQ>
[  450.449881] 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
[  450.477758]  dump_stack+0x244/0x39d
[  450.479885] lowmem_reserve[]: 0 2818 6321 6321
[  450.506029]  ? dump_stack_print_info.cold.1+0x20/0x20
[  450.509632] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  450.514231]  warn_alloc.cold.116+0xb7/0x1bd
[  450.519388] lowmem_reserve[]: 0 0 3503 3503
[  450.547040]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  450.551342] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  450.555669]  ? lock_downgrade+0x900/0x900
[  450.560486] lowmem_reserve[]: 0 0 0 0
[  450.589849]  ? trace_hardirqs_off+0xb8/0x310
[  450.593977] 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
[  450.597796]  ? trace_hardirqs_off+0xb8/0x310
[  450.602179] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  450.615726]  __alloc_pages_slowpath+0x26e8/0x2e10
[  450.620117] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  450.635425]  ? warn_alloc+0x120/0x120
[  450.640242] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  450.654233]  ? print_usage_bug+0xc0/0xc0
[  450.658019] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  450.658030] 4380 total pagecache pages
[  450.666889]  ? warn_alloc+0x120/0x120
[  450.670939] 0 pages in swap cache
[  450.679524]  ? warn_alloc+0x120/0x120
[  450.683392] Swap cache stats: add 0, delete 0, find 0/0
[  450.687194]  ? print_usage_bug+0xc0/0xc0
[  450.690621] Free swap  = 0kB
[  450.694425]  ? print_usage_bug+0xc0/0xc0
[  450.699765] Total swap = 0kB
[  450.703829]  ? __lock_acquire+0x62f/0x4c20
[  450.706823] 1965979 pages RAM
[  450.710886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.713878] 0 pages HighMem/MovableOnly
[  450.718118]  ? should_fail+0x22d/0xd01
[  450.721196] 342854 pages reserved
[  450.721206] 0 pages cma reserved
[  450.726775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.730795] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  450.734624]  ? __lock_acquire+0x62f/0x4c20
[  450.738188] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  450.741424]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.746510] kworker/0:2 cpuset=/ mems_allowed=0
[  450.753023]  ? __lock_acquire+0x62f/0x4c20
[  450.781546]  ? should_fail+0x22d/0xd01
[  450.785451]  ? find_held_lock+0x36/0x1c0
[  450.789531]  ? mark_held_locks+0x130/0x130
[  450.793784]  ? mark_held_locks+0x130/0x130
[  450.798026]  ? zap_class+0x640/0x640
[  450.801757]  ? zap_class+0x640/0x640
[  450.805484]  ? print_usage_bug+0xc0/0xc0
[  450.809557]  ? do_raw_spin_unlock+0xa7/0x330
[  450.813990]  ? zap_class+0x640/0x640
[  450.817714]  ? print_usage_bug+0xc0/0xc0
[  450.821791]  ? wq_watchdog_touch+0x9c/0xfe
[  450.826050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.831608]  ? check_preemption_disabled+0x48/0x280
[  450.836655]  ? __lock_is_held+0xb5/0x140
[  450.840758]  __alloc_pages_nodemask+0xa80/0xde0
[  450.845446]  ? zap_class+0x640/0x640
[  450.849179]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  450.854229]  ? find_held_lock+0x36/0x1c0
[  450.858316]  ? ____cache_alloc_node+0x1c7/0x1e0
[  450.863010]  ? lock_downgrade+0x900/0x900
[  450.867173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.872744]  cache_grow_begin+0xa5/0x8c0
[  450.876811]  ? do_raw_spin_unlock+0xa7/0x330
[  450.881231]  fallback_alloc+0x204/0x2e0
[  450.885217]  ____cache_alloc_node+0x1c7/0x1e0
[  450.889725]  kmem_cache_alloc_node+0xe3/0x730
[  450.894243]  ? ipv6_get_ifaddr+0x42e/0x620
[  450.898500]  __alloc_skb+0x119/0x770
[  450.902641]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.907940]  ? netdev_alloc_frag+0x1f0/0x1f0
[  450.912366]  ? lock_downgrade+0x900/0x900
[  450.916532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.922091]  ? refcount_sub_and_test_checked+0x203/0x310
[  450.927559]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  450.933038]  ? addrconf_rs_timer+0x690/0x690
[  450.937473]  ndisc_alloc_skb+0x144/0x340
[  450.941554]  ndisc_send_rs+0x331/0x6e0
[  450.945458]  addrconf_rs_timer+0x314/0x690
[  450.949718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.953987]  call_timer_fn+0x272/0x920
[  450.957886]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.962129]  ? process_timeout+0x40/0x40
[  450.966203]  ? __run_timers+0x7da/0xc70
[  450.970190]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.974697]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.979209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.983464]  ? lockdep_hardirqs_on+0x296/0x5b0
[  450.988058]  ? trace_hardirqs_on+0xbd/0x310
[  450.992388]  ? kasan_check_read+0x11/0x20
[  450.996552]  ? __run_timers+0x7da/0xc70
[  451.000539]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.005669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.009932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.014196]  __run_timers+0x7e5/0xc70
[  451.018027]  ? timer_fixup_init+0x70/0x70
[  451.022199]  ? lock_acquire+0x1ed/0x520
[  451.026197]  ? zap_class+0x640/0x640
[  451.029929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.035502]  ? kasan_check_read+0x11/0x20
[  451.039687]  ? do_raw_spin_lock+0x14f/0x350
[  451.044031]  ? find_held_lock+0x36/0x1c0
[  451.048109]  ? zap_class+0x640/0x640
[  451.051840]  ? pvclock_read_flags+0x160/0x160
[  451.056346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.061902]  ? check_preemption_disabled+0x48/0x280
[  451.066946]  ? __lock_is_held+0xb5/0x140
[  451.071031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.076591]  ? check_preemption_disabled+0x48/0x280
[  451.081629]  run_timer_softirq+0x52/0xb0
[  451.085703]  ? rcu_read_lock_sched_held+0x14f/0x180
[  451.090748]  __do_softirq+0x308/0xb7e
[  451.094562]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  451.099066]  ? lock_downgrade+0x900/0x900
[  451.103236]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  451.108368]  ? pvclock_read_flags+0x160/0x160
[  451.112895]  ? lapic_next_event+0x5a/0x90
[  451.117054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.122616]  ? kvm_clock_read+0x18/0x30
[  451.126598]  ? kvm_sched_clock_read+0x9/0x20
[  451.131021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.136572]  ? check_preemption_disabled+0x48/0x280
[  451.141622]  irq_exit+0x17f/0x1c0
[  451.145085]  smp_apic_timer_interrupt+0x1cb/0x760
[  451.149930]  ? smp_reschedule_interrupt+0x109/0x650
[  451.154950]  ? smp_call_function_single_interrupt+0x650/0x650
[  451.160859]  ? interrupt_entry+0xb5/0xc0
[  451.164936]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.169987]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.175036]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.179920]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.184980]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.190038]  ? task_prio+0x50/0x50
[  451.193611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.199171]  ? check_preemption_disabled+0x48/0x280
[  451.204223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.209101]  apic_timer_interrupt+0xf/0x20
[  451.213340]  </IRQ>
[  451.215591] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  451.220531] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  451.239471] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  451.247203] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  451.254506] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  451.261795] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  451.269081] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  451.276373] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  451.283712]  skb_clone+0x1bb/0x500
[  451.287270]  ? finish_task_switch+0x1b4/0x910
[  451.291782]  ? skb_split+0x11e0/0x11e0
[  451.295683]  ? preempt_notifier_register+0x200/0x200
[  451.300795]  ? __switch_to_asm+0x34/0x70
[  451.304866]  ? __switch_to_asm+0x34/0x70
[  451.308936]  ? __switch_to_asm+0x40/0x70
[  451.313018]  ? __switch_to_asm+0x34/0x70
[  451.317089]  ? __switch_to_asm+0x40/0x70
[  451.321155]  ? __switch_to_asm+0x34/0x70
[  451.325217]  ? __switch_to_asm+0x40/0x70
[  451.329281]  ? __switch_to_asm+0x34/0x70
[  451.333350]  ? __switch_to_asm+0x34/0x70
[  451.337419]  ? __switch_to_asm+0x40/0x70
[  451.341499]  ? __switch_to_asm+0x34/0x70
[  451.345586]  bpf_clone_redirect+0xb9/0x490
[  451.349844]  ? __schedule+0x8d7/0x21d0
[  451.353761]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  451.358812]  ? __sched_text_start+0x8/0x8
[  451.362988]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  451.367590]  ? retint_kernel+0x2d/0x2d
[  451.371492]  ? trace_hardirqs_on_caller+0xc0/0x310
[  451.376454]  ? find_held_lock+0x36/0x1c0
[  451.380535]  ? lock_acquire+0x1ed/0x520
[  451.384519]  ? bpf_test_run+0x3cb/0x780
[  451.388503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.394054]  ? check_preemption_disabled+0x48/0x280
[  451.399089]  ? kasan_check_read+0x11/0x20
[  451.403245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.408536]  ? rcu_softirq_qs+0x20/0x20
[  451.412519]  ? preempt_schedule+0x4d/0x60
[  451.416675]  ? ___preempt_schedule+0x16/0x18
[  451.421105]  ? bpf_test_run+0x25d/0x780
[  451.425099]  ? netlink_diag_dump+0x2a0/0x2a0
[  451.429520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.435076]  ? bpf_test_init.isra.10+0x70/0x100
[  451.439771]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  451.444551]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  451.449404]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  451.454949]  ? fput+0x130/0x1a0
[  451.458243]  ? __bpf_prog_get+0x9b/0x290
[  451.462314]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  451.467164]  ? bpf_prog_test_run+0x130/0x1a0
[  451.471581]  ? __x64_sys_bpf+0x3d8/0x520
[  451.475652]  ? bpf_prog_get+0x20/0x20
[  451.479479]  ? do_syscall_64+0x1b9/0x820
[  451.483544]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  451.488925]  ? syscall_return_slowpath+0x5e0/0x5e0
[  451.493867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.498727]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.503768]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  451.508794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.514339]  ? prepare_exit_to_usermode+0x291/0x3b0
[  451.519365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.524235]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  451.529638] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  451.529725] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  451.536815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  451.536844] Workqueue: events_power_efficient neigh_periodic_work
[  451.543523] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  451.552822] Call Trace:
[  451.559068] syz-executor1 cpuset=syz1 mems_allowed=0
[  451.569562]  <IRQ>
[  451.579407]  dump_stack+0x244/0x39d
[  451.583047]  ? dump_stack_print_info.cold.1+0x20/0x20
[  451.588265]  warn_alloc.cold.116+0xb7/0x1bd
[  451.592602]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  451.597480]  ? lock_downgrade+0x900/0x900
[  451.601647]  ? trace_hardirqs_off+0xb8/0x310
[  451.606073]  ? trace_hardirqs_off+0xb8/0x310
[  451.610499]  __alloc_pages_slowpath+0x26e8/0x2e10
[  451.615378]  ? warn_alloc+0x120/0x120
[  451.619193]  ? print_usage_bug+0xc0/0xc0
[  451.623262]  ? warn_alloc+0x120/0x120
[  451.627094]  ? warn_alloc+0x120/0x120
[  451.630934]  ? print_usage_bug+0xc0/0xc0
[  451.634995]  ? kvm_clock_read+0x18/0x30
[  451.639017]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  451.644041]  ? print_usage_bug+0xc0/0xc0
[  451.648106]  ? __lock_acquire+0x62f/0x4c20
[  451.652375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.657920]  ? should_fail+0x22d/0xd01
[  451.661806]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.667092]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.672201]  ? __lock_acquire+0x62f/0x4c20
[  451.676452]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.681566]  ? __lock_acquire+0x62f/0x4c20
[  451.685806]  ? should_fail+0x22d/0xd01
[  451.689728]  ? rcu_irq_exit+0x1a2/0x390
[  451.693726]  ? mark_held_locks+0x130/0x130
[  451.697976]  ? mark_held_locks+0x130/0x130
[  451.702230]  ? mark_held_locks+0xc7/0x130
[  451.706391]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  451.711451]  ? zap_class+0x640/0x640
[  451.715177]  ? print_usage_bug+0xc0/0xc0
[  451.719256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.724800]  ? check_preemption_disabled+0x48/0x280
[  451.729836]  ? __lock_is_held+0xb5/0x140
[  451.733909]  __alloc_pages_nodemask+0xa80/0xde0
[  451.738589]  ? zap_class+0x640/0x640
[  451.742311]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  451.747343]  ? find_held_lock+0x36/0x1c0
[  451.751435]  ? ____cache_alloc_node+0x1c7/0x1e0
[  451.756114]  ? lock_downgrade+0x900/0x900
[  451.760275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.765825]  cache_grow_begin+0xa5/0x8c0
[  451.769888]  ? do_raw_spin_unlock+0xa7/0x330
[  451.774312]  fallback_alloc+0x204/0x2e0
[  451.778304]  ____cache_alloc_node+0x1c7/0x1e0
[  451.782812]  kmem_cache_alloc_node+0xe3/0x730
[  451.787340]  ? ipv6_get_ifaddr+0x42e/0x620
[  451.791592]  __alloc_skb+0x119/0x770
[  451.795309]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.800592]  ? netdev_alloc_frag+0x1f0/0x1f0
[  451.805005]  ? lock_downgrade+0x900/0x900
[  451.809167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.814744]  ? refcount_sub_and_test_checked+0x203/0x310
[  451.820238]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  451.825693]  ? addrconf_rs_timer+0x690/0x690
[  451.830121]  ndisc_alloc_skb+0x144/0x340
[  451.834192]  ndisc_send_rs+0x331/0x6e0
[  451.838090]  addrconf_rs_timer+0x314/0x690
[  451.842335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.846586]  call_timer_fn+0x272/0x920
[  451.850473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.854710]  ? process_timeout+0x40/0x40
[  451.858788]  ? mark_held_locks+0xc7/0x130
[  451.862967]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.867463]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.871963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.876203]  ? lockdep_hardirqs_on+0x296/0x5b0
[  451.880804]  ? trace_hardirqs_on+0xbd/0x310
[  451.885127]  ? kasan_check_read+0x11/0x20
[  451.889278]  ? __run_timers+0x7da/0xc70
[  451.893259]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.898382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.902623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.906861]  __run_timers+0x7e5/0xc70
[  451.910679]  ? timer_fixup_init+0x70/0x70
[  451.914835]  ? lock_downgrade+0x900/0x900
[  451.918981]  ? zap_class+0x640/0x640
[  451.922711]  ? print_usage_bug+0xc0/0xc0
[  451.926776]  ? trace_hardirqs_on+0x310/0x310
[  451.931199]  ? kvm_clock_read+0x18/0x30
[  451.935180]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  451.940199]  ? ktime_get+0x2c1/0x400
[  451.943924]  ? zap_class+0x640/0x640
[  451.947658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.953203]  ? check_preemption_disabled+0x48/0x280
[  451.958252]  ? __lock_is_held+0xb5/0x140
[  451.962321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.967876]  ? check_preemption_disabled+0x48/0x280
[  451.972938]  run_timer_softirq+0x52/0xb0
[  451.977009]  ? rcu_read_lock_sched_held+0x14f/0x180
[  451.982040]  __do_softirq+0x308/0xb7e
[  451.985860]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  451.991147]  ? irq_exit+0xbd/0x1c0
[  451.994694]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  451.999725]  ? smp_call_function_single_interrupt+0x650/0x650
[  452.005617]  ? ret_from_intr+0xb/0x1e
[  452.009527]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.014542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.019402]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.024426]  ? task_prio+0x50/0x50
[  452.027973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.033531]  ? check_preemption_disabled+0x48/0x280
[  452.038565]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.043419]  ? neigh_periodic_work+0x6bd/0xc60
[  452.048014]  do_softirq_own_stack+0x2a/0x40
[  452.052333]  </IRQ>
[  452.054575]  do_softirq.part.14+0x126/0x160
[  452.058906]  __local_bh_enable_ip+0x21d/0x260
[  452.063411]  _raw_write_unlock_bh+0x30/0x40
[  452.067743]  neigh_periodic_work+0x6bd/0xc60
[  452.072173]  ? neigh_table_clear+0x390/0x390
[  452.076595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.082173]  ? check_preemption_disabled+0x48/0x280
[  452.087209]  ? __lock_is_held+0xb5/0x140
[  452.091295]  process_one_work+0xc90/0x1c40
[  452.095540]  ? mark_held_locks+0x130/0x130
[  452.099792]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  452.104474]  ? __switch_to_asm+0x40/0x70
[  452.108547]  ? __switch_to_asm+0x40/0x70
[  452.112606]  ? __switch_to_asm+0x34/0x70
[  452.116667]  ? __switch_to_asm+0x40/0x70
[  452.120735]  ? __switch_to_asm+0x34/0x70
[  452.124803]  ? __switch_to_asm+0x40/0x70
[  452.128877]  ? __switch_to_asm+0x34/0x70
[  452.132934]  ? __switch_to_asm+0x40/0x70
[  452.137006]  ? __schedule+0x8d7/0x21d0
[  452.140902]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.145935]  ? lock_downgrade+0x900/0x900
[  452.150090]  ? zap_class+0x640/0x640
[  452.153809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.158684]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  452.163302]  ? lock_acquire+0x1ed/0x520
[  452.167283]  ? worker_thread+0x3e0/0x1390
[  452.171446]  ? kasan_check_read+0x11/0x20
[  452.175601]  ? do_raw_spin_lock+0x14f/0x350
[  452.179926]  ? kasan_check_read+0x11/0x20
[  452.184080]  ? rwlock_bug.part.2+0x90/0x90
[  452.188318]  ? trace_hardirqs_on+0x310/0x310
[  452.192753]  worker_thread+0x17f/0x1390
[  452.196731]  ? __switch_to_asm+0x34/0x70
[  452.200839]  ? process_one_work+0x1c40/0x1c40
[  452.205360]  ? zap_class+0x640/0x640
[  452.209082]  ? find_held_lock+0x36/0x1c0
[  452.213181]  ? __kthread_parkme+0xce/0x1a0
[  452.217420]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  452.222527]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  452.227636]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  452.232225]  ? trace_hardirqs_on+0xbd/0x310
[  452.236556]  ? kasan_check_read+0x11/0x20
[  452.240708]  ? __kthread_parkme+0xce/0x1a0
[  452.244958]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.250094]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.255269]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  452.260376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.265927]  ? __kthread_parkme+0xfb/0x1a0
[  452.270168]  ? process_one_work+0x1c40/0x1c40
[  452.274668]  kthread+0x35a/0x440
[  452.278042]  ? kthread_stop+0x900/0x900
[  452.282039]  ret_from_fork+0x3a/0x50
[  452.285795] warn_alloc_show_mem: 1 callbacks suppressed
[  452.285806] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  452.285808] Mem-Info:
[  452.285838] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  452.285838]  active_file:16 inactive_file:3 isolated_file:0
[  452.285838]  unevictable:0 dirty:0 writeback:0 unstable:0
[  452.285838]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  452.285838]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  452.285838]  free:13690 free_pcp:879 free_cma:0
[  452.291207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  452.298590] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  452.301030] Call Trace:
[  452.334009] 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
[  452.343377]  <IRQ>
[  452.371217] lowmem_reserve[]: 0 2818 6321 6321
[  452.373836]  dump_stack+0x244/0x39d
[  452.399956] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  452.402139]  ? dump_stack_print_info.cold.1+0x20/0x20
[  452.406677] lowmem_reserve[]: 0 0 3503 3503
[  452.410353]  warn_alloc.cold.116+0xb7/0x1bd
[  452.437924] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  452.443155]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  452.447456] lowmem_reserve[]: 0 0 0 0
[  452.451794]  ? lock_downgrade+0x900/0x900
[  452.481111] 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
[  452.486008]  ? trace_hardirqs_off+0xb8/0x310
[  452.489787] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  452.493964]  ? trace_hardirqs_off+0xb8/0x310
[  452.507484] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  452.511920]  __alloc_pages_slowpath+0x26e8/0x2e10
[  452.527153] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  452.531587]  ? warn_alloc+0x120/0x120
[  452.545510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  452.550384]  ? warn_alloc+0x120/0x120
[  452.559193] 4380 total pagecache pages
[  452.562999]  ? warn_alloc+0x120/0x120
[  452.571564] 0 pages in swap cache
[  452.575365]  ? print_usage_bug+0xc0/0xc0
[  452.579228] Swap cache stats: add 0, delete 0, find 0/0
[  452.579239] Free swap  = 0kB
[  452.583040]  ? print_usage_bug+0xc0/0xc0
[  452.586477] Total swap = 0kB
[  452.590537]  ? zap_class+0x640/0x640
[  452.595882] 1965979 pages RAM
[  452.598905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.602940] 0 pages HighMem/MovableOnly
[  452.605959]  ? should_fail+0x22d/0xd01
[  452.609647] 342854 pages reserved
[  452.609656] 0 pages cma reserved
[  452.612778]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  452.618416] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  452.622303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.626265] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  452.629628]  ? __lock_acquire+0x62f/0x4c20
[  452.633000] kworker/0:2 cpuset=/ mems_allowed=0
[  452.638201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.674188]  ? should_fail+0x22d/0xd01
[  452.678102]  ? mark_held_locks+0x130/0x130
[  452.682362]  ? mark_held_locks+0x130/0x130
[  452.686600]  ? print_usage_bug+0xc0/0xc0
[  452.690675]  ? find_held_lock+0x36/0x1c0
[  452.694770]  ? zap_class+0x640/0x640
[  452.698502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.704056]  ? check_preemption_disabled+0x48/0x280
[  452.709097]  ? __lock_is_held+0xb5/0x140
[  452.713186]  __alloc_pages_nodemask+0xa80/0xde0
[  452.717881]  ? zap_class+0x640/0x640
[  452.721605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  452.726641]  ? find_held_lock+0x36/0x1c0
[  452.730726]  ? ____cache_alloc_node+0x1c7/0x1e0
[  452.735410]  ? lock_downgrade+0x900/0x900
[  452.739576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.745132]  cache_grow_begin+0xa5/0x8c0
[  452.749199]  ? do_raw_spin_unlock+0xa7/0x330
[  452.753623]  fallback_alloc+0x204/0x2e0
[  452.757608]  ____cache_alloc_node+0x1c7/0x1e0
[  452.762117]  kmem_cache_alloc_node+0xe3/0x730
[  452.766625]  ? mark_held_locks+0xc7/0x130
[  452.770802]  __alloc_skb+0x119/0x770
[  452.774535]  ? netdev_alloc_frag+0x1f0/0x1f0
[  452.778947]  ? do_raw_spin_trylock+0x270/0x270
[  452.783548]  ? kmem_cache_alloc_trace+0x353/0x750
[  452.788401]  ? queue_work_on+0x12c/0x1e0
[  452.792478]  ? switchdev_port_obj_del+0xdc/0x440
[  452.797241]  ? switchdev_trans_item_enqueue+0x260/0x260
[  452.802621]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  452.807658]  __br_mdb_notify+0x4ff/0x15d0
[  452.811810]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  452.816926]  ? __br_mdb_add+0x7f0/0x7f0
[  452.820914]  ? mark_held_locks+0x130/0x130
[  452.825159]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  452.830275]  ? debug_object_assert_init+0x368/0x4b0
[  452.835297]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.840410]  ? debug_object_init_on_stack+0x20/0x20
[  452.845431]  ? zap_class+0x640/0x640
[  452.849158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.854712]  br_mdb_notify+0x310/0x410
[  452.858618]  ? br_mdb_dump+0x27b0/0x27b0
[  452.862724]  br_multicast_del_pg+0x3df/0x790
[  452.867154]  ? br_mdb_ip_get+0x940/0x940
[  452.871224]  ? rwlock_bug.part.2+0x90/0x90
[  452.875474]  ? __lock_is_held+0xb5/0x140
[  452.879559]  br_multicast_port_group_expired+0x189/0x1e0
[  452.885031]  call_timer_fn+0x272/0x920
[  452.888932]  ? br_multicast_del_pg+0x790/0x790
[  452.893535]  ? process_timeout+0x40/0x40
[  452.897609]  ? __run_timers+0x7da/0xc70
[  452.901589]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.906306]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.910807]  ? br_multicast_del_pg+0x790/0x790
[  452.915399]  ? lockdep_hardirqs_on+0x296/0x5b0
[  452.919994]  ? trace_hardirqs_on+0xbd/0x310
[  452.924325]  ? kasan_check_read+0x11/0x20
[  452.928476]  ? __run_timers+0x7da/0xc70
[  452.932461]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.937573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.941823]  ? br_multicast_del_pg+0x790/0x790
[  452.946406]  __run_timers+0x7e5/0xc70
[  452.950220]  ? timer_fixup_init+0x70/0x70
[  452.954380]  ? lock_acquire+0x1ed/0x520
[  452.958357]  ? zap_class+0x640/0x640
[  452.962076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.967628]  ? kasan_check_read+0x11/0x20
[  452.971780]  ? do_raw_spin_lock+0x14f/0x350
[  452.976113]  ? find_held_lock+0x36/0x1c0
[  452.980191]  ? zap_class+0x640/0x640
[  452.983914]  ? pvclock_read_flags+0x160/0x160
[  452.988422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.993985]  ? check_preemption_disabled+0x48/0x280
[  452.999030]  ? __lock_is_held+0xb5/0x140
[  453.003101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.008653]  ? check_preemption_disabled+0x48/0x280
[  453.013686]  run_timer_softirq+0x52/0xb0
[  453.017775]  ? rcu_read_lock_sched_held+0x14f/0x180
[  453.022807]  __do_softirq+0x308/0xb7e
[  453.026635]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  453.031146]  ? lock_downgrade+0x900/0x900
[  453.035338]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  453.040455]  ? pvclock_read_flags+0x160/0x160
[  453.044961]  ? lapic_next_event+0x5a/0x90
[  453.049129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.054680]  ? kvm_clock_read+0x18/0x30
[  453.058663]  ? kvm_sched_clock_read+0x9/0x20
[  453.063081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.068631]  ? check_preemption_disabled+0x48/0x280
[  453.073667]  irq_exit+0x17f/0x1c0
[  453.077131]  smp_apic_timer_interrupt+0x1cb/0x760
[  453.081974]  ? smp_reschedule_interrupt+0x109/0x650
[  453.087002]  ? smp_call_function_single_interrupt+0x650/0x650
[  453.092893]  ? interrupt_entry+0xb5/0xc0
[  453.096969]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.101995]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.107029]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.111881]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.116900]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.121923]  ? task_prio+0x50/0x50
[  453.125472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.131018]  ? check_preemption_disabled+0x48/0x280
[  453.136046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.140905]  apic_timer_interrupt+0xf/0x20
[  453.145134]  </IRQ>
[  453.147374] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  453.152308] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  453.171224] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  453.178937] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  453.186218] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  453.193485] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  453.200756] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  453.208024] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  453.215347]  skb_clone+0x1bb/0x500
[  453.218893]  ? finish_task_switch+0x1b4/0x910
[  453.223392]  ? skb_split+0x11e0/0x11e0
[  453.227293]  ? preempt_notifier_register+0x200/0x200
[  453.232402]  ? __switch_to_asm+0x34/0x70
[  453.236465]  ? __switch_to_asm+0x34/0x70
[  453.240524]  ? __switch_to_asm+0x40/0x70
[  453.244588]  ? __switch_to_asm+0x34/0x70
[  453.248649]  ? __switch_to_asm+0x40/0x70
[  453.252713]  ? __switch_to_asm+0x34/0x70
[  453.256780]  ? __switch_to_asm+0x40/0x70
[  453.260845]  ? __switch_to_asm+0x34/0x70
[  453.264911]  ? __switch_to_asm+0x34/0x70
[  453.268972]  ? __switch_to_asm+0x40/0x70
[  453.273037]  ? __switch_to_asm+0x34/0x70
[  453.277116]  bpf_clone_redirect+0xb9/0x490
[  453.281371]  ? __schedule+0x8d7/0x21d0
[  453.285268]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  453.290299]  ? __sched_text_start+0x8/0x8
[  453.294456]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  453.299042]  ? retint_kernel+0x2d/0x2d
[  453.302940]  ? trace_hardirqs_on_caller+0xc0/0x310
[  453.307887]  ? find_held_lock+0x36/0x1c0
[  453.311978]  ? lock_acquire+0x1ed/0x520
[  453.315962]  ? bpf_test_run+0x3cb/0x780
[  453.319948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.325495]  ? check_preemption_disabled+0x48/0x280
[  453.330527]  ? kasan_check_read+0x11/0x20
[  453.334681]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.339976]  ? rcu_softirq_qs+0x20/0x20
[  453.343973]  ? preempt_schedule+0x4d/0x60
[  453.348153]  ? ___preempt_schedule+0x16/0x18
[  453.352585]  ? bpf_test_run+0x25d/0x780
[  453.356576]  ? netlink_diag_dump+0x2a0/0x2a0
[  453.360996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.366546]  ? bpf_test_init.isra.10+0x70/0x100
[  453.371231]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  453.376010]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  453.380866]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  453.386413]  ? fput+0x130/0x1a0
[  453.389699]  ? __bpf_prog_get+0x9b/0x290
[  453.393774]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  453.398620]  ? bpf_prog_test_run+0x130/0x1a0
[  453.403056]  ? __x64_sys_bpf+0x3d8/0x520
[  453.407121]  ? bpf_prog_get+0x20/0x20
[  453.410997]  ? do_syscall_64+0x1b9/0x820
[  453.415077]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  453.420448]  ? syscall_return_slowpath+0x5e0/0x5e0
[  453.425379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.430233]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.435263]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  453.440293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.445882]  ? prepare_exit_to_usermode+0x291/0x3b0
[  453.450917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.455801]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  453.461210] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  453.461437] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  453.468330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  453.468356] Workqueue: events_power_efficient neigh_periodic_work
[  453.478865] syz-executor1 cpuset=syz1 mems_allowed=0
[  453.488253] Call Trace:
[  453.502144]  <IRQ>
[  453.504310]  dump_stack+0x244/0x39d
[  453.507946]  ? dump_stack_print_info.cold.1+0x20/0x20
[  453.513158]  warn_alloc.cold.116+0xb7/0x1bd
[  453.517487]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  453.522338]  ? lock_downgrade+0x900/0x900
[  453.526500]  ? trace_hardirqs_off+0xb8/0x310
[  453.530923]  ? trace_hardirqs_off+0xb8/0x310
[  453.535351]  __alloc_pages_slowpath+0x26e8/0x2e10
[  453.540249]  ? warn_alloc+0x120/0x120
[  453.544070]  ? print_usage_bug+0xc0/0xc0
[  453.548146]  ? warn_alloc+0x120/0x120
[  453.551963]  ? warn_alloc+0x120/0x120
[  453.555791]  ? print_usage_bug+0xc0/0xc0
[  453.559872]  ? print_usage_bug+0xc0/0xc0
[  453.563988]  ? __lock_acquire+0x62f/0x4c20
[  453.568288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.573833]  ? should_fail+0x22d/0xd01
[  453.577728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.582840]  ? __lock_acquire+0x62f/0x4c20
[  453.587081]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.592185]  ? __lock_acquire+0x62f/0x4c20
[  453.596415]  ? should_fail+0x22d/0xd01
[  453.600302]  ? find_held_lock+0x36/0x1c0
[  453.604375]  ? mark_held_locks+0x130/0x130
[  453.608617]  ? mark_held_locks+0x130/0x130
[  453.612852]  ? zap_class+0x640/0x640
[  453.616571]  ? zap_class+0x640/0x640
[  453.620287]  ? print_usage_bug+0xc0/0xc0
[  453.624348]  ? do_raw_spin_unlock+0xa7/0x330
[  453.628757]  ? zap_class+0x640/0x640
[  453.632483]  ? print_usage_bug+0xc0/0xc0
[  453.636548]  ? wq_watchdog_touch+0x9c/0xfe
[  453.640791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.646334]  ? check_preemption_disabled+0x48/0x280
[  453.651366]  ? __lock_is_held+0xb5/0x140
[  453.655438]  __alloc_pages_nodemask+0xa80/0xde0
[  453.660114]  ? zap_class+0x640/0x640
[  453.663841]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  453.668876]  ? find_held_lock+0x36/0x1c0
[  453.672956]  ? ____cache_alloc_node+0x1c7/0x1e0
[  453.677646]  ? lock_downgrade+0x900/0x900
[  453.681810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.687358]  cache_grow_begin+0xa5/0x8c0
[  453.691431]  ? do_raw_spin_unlock+0xa7/0x330
[  453.695857]  fallback_alloc+0x204/0x2e0
[  453.699849]  ____cache_alloc_node+0x1c7/0x1e0
[  453.704362]  kmem_cache_alloc_node+0xe3/0x730
[  453.708868]  ? ipv6_get_ifaddr+0x42e/0x620
[  453.713122]  __alloc_skb+0x119/0x770
[  453.716848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.722141]  ? netdev_alloc_frag+0x1f0/0x1f0
[  453.726562]  ? lock_downgrade+0x900/0x900
[  453.730729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.736281]  ? refcount_sub_and_test_checked+0x203/0x310
[  453.741808]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  453.747292]  ? addrconf_rs_timer+0x690/0x690
[  453.751776]  ndisc_alloc_skb+0x144/0x340
[  453.755857]  ndisc_send_rs+0x331/0x6e0
[  453.759785]  addrconf_rs_timer+0x314/0x690
[  453.764048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  453.768314]  call_timer_fn+0x272/0x920
[  453.772219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  453.776480]  ? process_timeout+0x40/0x40
[  453.780569]  ? mark_held_locks+0xc7/0x130
[  453.784733]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.789248]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.793755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  453.798046]  ? lockdep_hardirqs_on+0x296/0x5b0
[  453.802648]  ? trace_hardirqs_on+0xbd/0x310
[  453.807014]  ? kasan_check_read+0x11/0x20
[  453.811179]  ? __run_timers+0x7da/0xc70
[  453.815172]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.820306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  453.824643]  __run_timers+0x7e5/0xc70
[  453.828475]  ? timer_fixup_init+0x70/0x70
[  453.832640]  ? lock_downgrade+0x900/0x900
[  453.836803]  ? zap_class+0x640/0x640
[  453.840544]  ? print_usage_bug+0xc0/0xc0
[  453.844628]  ? trace_hardirqs_on+0x310/0x310
[  453.849064]  ? kvm_clock_read+0x18/0x30
[  453.853058]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  453.858092]  ? ktime_get+0x2c1/0x400
[  453.861825]  ? zap_class+0x640/0x640
[  453.865563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.871123]  ? check_preemption_disabled+0x48/0x280
[  453.876173]  ? __lock_is_held+0xb5/0x140
[  453.880336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.885892]  ? check_preemption_disabled+0x48/0x280
[  453.891059]  run_timer_softirq+0x52/0xb0
[  453.895142]  ? rcu_read_lock_sched_held+0x14f/0x180
[  453.900248]  __do_softirq+0x308/0xb7e
[  453.904083]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  453.909199]  ? irq_exit+0xbd/0x1c0
[  453.912764]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  453.917798]  ? smp_call_function_single_interrupt+0x650/0x650
[  453.923700]  ? ret_from_intr+0xb/0x1e
[  453.927520]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.932569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.937429]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.942461]  ? task_prio+0x50/0x50
[  453.946044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.951599]  ? check_preemption_disabled+0x48/0x280
[  453.956642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.961509]  ? neigh_periodic_work+0x6bd/0xc60
[  453.966110]  do_softirq_own_stack+0x2a/0x40
[  453.970442]  </IRQ>
[  453.972699]  do_softirq.part.14+0x126/0x160
[  453.977038]  __local_bh_enable_ip+0x21d/0x260
[  453.981550]  _raw_write_unlock_bh+0x30/0x40
[  453.985899]  neigh_periodic_work+0x6bd/0xc60
[  453.990345]  ? neigh_table_clear+0x390/0x390
[  453.994780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.000338]  ? check_preemption_disabled+0x48/0x280
[  454.005382]  ? __lock_is_held+0xb5/0x140
[  454.009730]  process_one_work+0xc90/0x1c40
[  454.014013]  ? mark_held_locks+0x130/0x130
[  454.018281]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  454.023001]  ? __switch_to_asm+0x40/0x70
[  454.027085]  ? __switch_to_asm+0x40/0x70
[  454.031169]  ? __switch_to_asm+0x34/0x70
[  454.035249]  ? __switch_to_asm+0x40/0x70
[  454.039328]  ? __switch_to_asm+0x34/0x70
[  454.043408]  ? __switch_to_asm+0x40/0x70
[  454.047485]  ? __switch_to_asm+0x34/0x70
[  454.051561]  ? __switch_to_asm+0x40/0x70
[  454.055644]  ? __schedule+0x8d7/0x21d0
[  454.059550]  ? trace_hardirqs_off_caller+0xbb/0x310
[  454.064593]  ? lock_downgrade+0x900/0x900
[  454.068765]  ? zap_class+0x640/0x640
[  454.072494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.077360]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  454.081997]  ? lock_acquire+0x1ed/0x520
[  454.086020]  ? worker_thread+0x3e0/0x1390
[  454.090197]  ? kasan_check_read+0x11/0x20
[  454.094363]  ? do_raw_spin_lock+0x14f/0x350
[  454.098701]  ? kasan_check_read+0x11/0x20
[  454.102892]  ? rwlock_bug.part.2+0x90/0x90
[  454.107143]  ? trace_hardirqs_on+0x310/0x310
[  454.111583]  worker_thread+0x17f/0x1390
[  454.115574]  ? __switch_to_asm+0x34/0x70
[  454.119664]  ? process_one_work+0x1c40/0x1c40
[  454.124185]  ? zap_class+0x640/0x640
[  454.127920]  ? find_held_lock+0x36/0x1c0
[  454.132052]  ? __kthread_parkme+0xce/0x1a0
[  454.136306]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.141423]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.146631]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  454.151244]  ? trace_hardirqs_on+0xbd/0x310
[  454.155582]  ? kasan_check_read+0x11/0x20
[  454.159752]  ? __kthread_parkme+0xce/0x1a0
[  454.164033]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.169158]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.174290]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  454.179412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.185154]  ? __kthread_parkme+0xfb/0x1a0
[  454.189408]  ? process_one_work+0x1c40/0x1c40
[  454.193917]  kthread+0x35a/0x440
[  454.197304]  ? kthread_stop+0x900/0x900
[  454.201294]  ret_from_fork+0x3a/0x50
[  454.205069] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  454.205075] warn_alloc_show_mem: 1 callbacks suppressed
[  454.205082] Mem-Info:
[  454.212461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  454.217843] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  454.217843]  active_file:16 inactive_file:3 isolated_file:0
[  454.217843]  unevictable:0 dirty:0 writeback:0 unstable:0
[  454.217843]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  454.217843]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  454.217843]  free:13690 free_pcp:879 free_cma:0
[  454.220242] Call Trace:
[  454.229646] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  454.262768]  <IRQ>
[  454.265374] 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
[  454.293259]  dump_stack+0x244/0x39d
[  454.295398] lowmem_reserve[]: 0 2818 6321 6321
[  454.321725]  ? dump_stack_print_info.cold.1+0x20/0x20
[  454.325348] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  454.329952]  warn_alloc.cold.116+0xb7/0x1bd
[  454.335129] lowmem_reserve[]: 0 0 3503 3503
[  454.362730]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  454.367048] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  454.371388]  ? lock_downgrade+0x900/0x900
[  454.376243] lowmem_reserve[]: 0 0 0 0
[  454.405691]  ? trace_hardirqs_off+0xb8/0x310
[  454.409831] 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
[  454.413649]  ? trace_hardirqs_off+0xb8/0x310
[  454.418042] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  454.431597]  __alloc_pages_slowpath+0x26e8/0x2e10
[  454.436023] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  454.451320]  ? warn_alloc+0x120/0x120
[  454.456138] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  454.470107]  ? warn_alloc+0x120/0x120
[  454.473908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  454.482956]  ? warn_alloc+0x120/0x120
[  454.486783] 4380 total pagecache pages
[  454.495375]  ? print_usage_bug+0xc0/0xc0
[  454.499254] 0 pages in swap cache
[  454.503147]  ? print_usage_bug+0xc0/0xc0
[  454.507208] Swap cache stats: add 0, delete 0, find 0/0
[  454.510670]  ? mark_held_locks+0x130/0x130
[  454.514715] Free swap  = 0kB
[  454.514725] Total swap = 0kB
[  454.520109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.524336] 1965979 pages RAM
[  454.527369]  ? should_fail+0x22d/0xd01
[  454.530373] 0 pages HighMem/MovableOnly
[  454.530383] 342854 pages reserved
[  454.535931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.539035] 0 pages cma reserved
[  454.539122] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  454.542951]  ? __lock_acquire+0x62f/0x4c20
[  454.547042] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  454.550441]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.555537] kworker/0:2 cpuset=/ mems_allowed=0
[  454.558920]  ? should_fail+0x22d/0xd01
[  454.593930]  ? mark_held_locks+0x130/0x130
[  454.598189]  ? mark_held_locks+0x130/0x130
[  454.602438]  ? print_usage_bug+0xc0/0xc0
[  454.606526]  ? find_held_lock+0x36/0x1c0
[  454.610626]  ? zap_class+0x640/0x640
[  454.614368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.620022]  ? check_preemption_disabled+0x48/0x280
[  454.625085]  ? __lock_is_held+0xb5/0x140
[  454.629175]  __alloc_pages_nodemask+0xa80/0xde0
[  454.633862]  ? zap_class+0x640/0x640
[  454.637597]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  454.642645]  ? find_held_lock+0x36/0x1c0
[  454.646745]  ? ____cache_alloc_node+0x1c7/0x1e0
[  454.651436]  ? lock_downgrade+0x900/0x900
[  454.655608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.661174]  cache_grow_begin+0xa5/0x8c0
[  454.665254]  ? do_raw_spin_unlock+0xa7/0x330
[  454.669688]  fallback_alloc+0x204/0x2e0
[  454.673690]  ____cache_alloc_node+0x1c7/0x1e0
[  454.678209]  kmem_cache_alloc_node+0xe3/0x730
[  454.682728]  ? mark_held_locks+0xc7/0x130
[  454.686911]  __alloc_skb+0x119/0x770
[  454.690652]  ? netdev_alloc_frag+0x1f0/0x1f0
[  454.695079]  ? do_raw_spin_trylock+0x270/0x270
[  454.699679]  ? kmem_cache_alloc_trace+0x353/0x750
[  454.704548]  ? queue_work_on+0x12c/0x1e0
[  454.708724]  ? switchdev_port_obj_del+0xdc/0x440
[  454.713507]  ? switchdev_trans_item_enqueue+0x260/0x260
[  454.718895]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  454.723948]  __br_mdb_notify+0x4ff/0x15d0
[  454.728139]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.733272]  ? __br_mdb_add+0x7f0/0x7f0
[  454.737268]  ? mark_held_locks+0x130/0x130
[  454.741527]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  454.746652]  ? debug_object_assert_init+0x368/0x4b0
[  454.751690]  ? debug_object_init_on_stack+0x20/0x20
[  454.756724]  ? zap_class+0x640/0x640
[  454.760466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.766055]  br_mdb_notify+0x310/0x410
[  454.769994]  ? br_mdb_dump+0x27b0/0x27b0
[  454.774095]  br_multicast_del_pg+0x3df/0x790
[  454.778526]  ? br_mdb_ip_get+0x940/0x940
[  454.782606]  ? rwlock_bug.part.2+0x90/0x90
[  454.786868]  ? __lock_is_held+0xb5/0x140
[  454.790957]  br_multicast_port_group_expired+0x189/0x1e0
[  454.796455]  call_timer_fn+0x272/0x920
[  454.800429]  ? br_multicast_del_pg+0x790/0x790
[  454.805037]  ? process_timeout+0x40/0x40
[  454.809126]  ? __run_timers+0x7da/0xc70
[  454.813116]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.817627]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.822140]  ? br_multicast_del_pg+0x790/0x790
[  454.826746]  ? lockdep_hardirqs_on+0x296/0x5b0
[  454.831461]  ? trace_hardirqs_on+0xbd/0x310
[  454.835886]  ? kasan_check_read+0x11/0x20
[  454.840053]  ? __run_timers+0x7da/0xc70
[  454.844047]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.849175]  ? br_multicast_del_pg+0x790/0x790
[  454.853782]  ? br_multicast_del_pg+0x790/0x790
[  454.858380]  __run_timers+0x7e5/0xc70
[  454.862209]  ? timer_fixup_init+0x70/0x70
[  454.866379]  ? lock_acquire+0x1ed/0x520
[  454.870375]  ? zap_class+0x640/0x640
[  454.874113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.879700]  ? kasan_check_read+0x11/0x20
[  454.883869]  ? do_raw_spin_lock+0x14f/0x350
[  454.888217]  ? find_held_lock+0x36/0x1c0
[  454.892299]  ? zap_class+0x640/0x640
[  454.896041]  ? pvclock_read_flags+0x160/0x160
[  454.900561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.906428]  ? check_preemption_disabled+0x48/0x280
[  454.911559]  ? __lock_is_held+0xb5/0x140
[  454.915710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.921273]  ? check_preemption_disabled+0x48/0x280
[  454.926312]  run_timer_softirq+0x52/0xb0
[  454.930396]  ? rcu_read_lock_sched_held+0x14f/0x180
[  454.935432]  __do_softirq+0x308/0xb7e
[  454.939255]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  454.943770]  ? lock_downgrade+0x900/0x900
[  454.947938]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  454.953097]  ? pvclock_read_flags+0x160/0x160
[  454.957613]  ? lapic_next_event+0x5a/0x90
[  454.961784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.967349]  ? kvm_clock_read+0x18/0x30
[  454.971416]  ? kvm_sched_clock_read+0x9/0x20
[  454.975848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.981405]  ? check_preemption_disabled+0x48/0x280
[  454.986449]  irq_exit+0x17f/0x1c0
[  454.989924]  smp_apic_timer_interrupt+0x1cb/0x760
[  454.994783]  ? smp_reschedule_interrupt+0x109/0x650
[  454.999819]  ? smp_call_function_single_interrupt+0x650/0x650
[  455.005725]  ? interrupt_entry+0xb5/0xc0
[  455.009814]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.016337]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.021441]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.026305]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.031341]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.036375]  ? task_prio+0x50/0x50
[  455.039937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.045771]  ? check_preemption_disabled+0x48/0x280
[  455.050821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.055693]  apic_timer_interrupt+0xf/0x20
[  455.059940]  </IRQ>
[  455.062223] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  455.067172] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  455.086102] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  455.094039] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  455.101324] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  455.108610] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  455.115899] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  455.123185] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  455.130609]  skb_clone+0x1bb/0x500
[  455.134169]  ? finish_task_switch+0x1b4/0x910
[  455.138682]  ? skb_split+0x11e0/0x11e0
[  455.142589]  ? preempt_notifier_register+0x200/0x200
[  455.147707]  ? __switch_to_asm+0x34/0x70
[  455.151792]  ? __switch_to_asm+0x34/0x70
[  455.155869]  ? __switch_to_asm+0x40/0x70
[  455.159946]  ? __switch_to_asm+0x34/0x70
[  455.164047]  ? __switch_to_asm+0x40/0x70
[  455.168123]  ? __switch_to_asm+0x34/0x70
[  455.172197]  ? __switch_to_asm+0x40/0x70
[  455.176273]  ? __switch_to_asm+0x34/0x70
[  455.180351]  ? __switch_to_asm+0x34/0x70
[  455.184499]  ? __switch_to_asm+0x40/0x70
[  455.188576]  ? __switch_to_asm+0x34/0x70
[  455.192664]  bpf_clone_redirect+0xb9/0x490
[  455.196920]  ? __schedule+0x8d7/0x21d0
[  455.200830]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  455.205867]  ? __sched_text_start+0x8/0x8
[  455.210043]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  455.214641]  ? retint_kernel+0x2d/0x2d
[  455.218551]  ? trace_hardirqs_on_caller+0xc0/0x310
[  455.223504]  ? find_held_lock+0x36/0x1c0
[  455.227589]  ? lock_acquire+0x1ed/0x520
[  455.231581]  ? bpf_test_run+0x3cb/0x780
[  455.235574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.241205]  ? check_preemption_disabled+0x48/0x280
[  455.246250]  ? kasan_check_read+0x11/0x20
[  455.250417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.255793]  ? rcu_softirq_qs+0x20/0x20
[  455.259790]  ? preempt_schedule+0x4d/0x60
[  455.263957]  ? ___preempt_schedule+0x16/0x18
[  455.268425]  ? bpf_test_run+0x25d/0x780
[  455.272428]  ? netlink_diag_dump+0x2a0/0x2a0
[  455.276888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.282536]  ? bpf_test_init.isra.10+0x70/0x100
[  455.287248]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  455.292052]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  455.296910]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  455.302472]  ? fput+0x130/0x1a0
[  455.305775]  ? __bpf_prog_get+0x9b/0x290
[  455.309861]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  455.314719]  ? bpf_prog_test_run+0x130/0x1a0
[  455.319155]  ? __x64_sys_bpf+0x3d8/0x520
[  455.323233]  ? bpf_prog_get+0x20/0x20
[  455.327078]  ? do_syscall_64+0x1b9/0x820
[  455.331156]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  455.336539]  ? syscall_return_slowpath+0x5e0/0x5e0
[  455.341487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.346351]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.351389]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  455.356424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.362004]  ? prepare_exit_to_usermode+0x291/0x3b0
[  455.367050]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.371927]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  455.377328] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  455.377514] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  455.384484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  455.395006] syz-executor1 cpuset=syz1 mems_allowed=0
[  455.404391] Workqueue: events_power_efficient neigh_periodic_work
[  455.415732] Call Trace:
[  455.418328]  <IRQ>
[  455.420515]  dump_stack+0x244/0x39d
[  455.424171]  ? dump_stack_print_info.cold.1+0x20/0x20
[  455.429401]  warn_alloc.cold.116+0xb7/0x1bd
[  455.433746]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  455.438615]  ? lock_downgrade+0x900/0x900
[  455.442790]  ? trace_hardirqs_off+0xb8/0x310
[  455.447228]  ? trace_hardirqs_off+0xb8/0x310
[  455.451673]  __alloc_pages_slowpath+0x26e8/0x2e10
[  455.456561]  ? warn_alloc+0x120/0x120
[  455.460388]  ? print_usage_bug+0xc0/0xc0
[  455.464466]  ? warn_alloc+0x120/0x120
[  455.468286]  ? warn_alloc+0x120/0x120
[  455.472108]  ? print_usage_bug+0xc0/0xc0
[  455.476190]  ? print_usage_bug+0xc0/0xc0
[  455.480270]  ? __lock_acquire+0x62f/0x4c20
[  455.484534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.490093]  ? should_fail+0x22d/0xd01
[  455.494027]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.499156]  ? __lock_acquire+0x62f/0x4c20
[  455.503412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.508534]  ? __lock_acquire+0x62f/0x4c20
[  455.512788]  ? should_fail+0x22d/0xd01
[  455.516694]  ? find_held_lock+0x36/0x1c0
[  455.520781]  ? mark_held_locks+0x130/0x130
[  455.525118]  ? mark_held_locks+0x130/0x130
[  455.529368]  ? zap_class+0x640/0x640
[  455.533103]  ? zap_class+0x640/0x640
[  455.536834]  ? print_usage_bug+0xc0/0xc0
[  455.540920]  ? do_raw_spin_unlock+0xa7/0x330
[  455.545352]  ? zap_class+0x640/0x640
[  455.549089]  ? print_usage_bug+0xc0/0xc0
[  455.553168]  ? wq_watchdog_touch+0x9c/0xfe
[  455.557427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.563016]  ? check_preemption_disabled+0x48/0x280
[  455.568085]  ? __lock_is_held+0xb5/0x140
[  455.572175]  __alloc_pages_nodemask+0xa80/0xde0
[  455.576867]  ? zap_class+0x640/0x640
[  455.580608]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  455.585659]  ? find_held_lock+0x36/0x1c0
[  455.589753]  ? ____cache_alloc_node+0x1c7/0x1e0
[  455.594447]  ? lock_downgrade+0x900/0x900
[  455.598714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.604307]  cache_grow_begin+0xa5/0x8c0
[  455.608397]  ? do_raw_spin_unlock+0xa7/0x330
[  455.612842]  fallback_alloc+0x204/0x2e0
[  455.616853]  ____cache_alloc_node+0x1c7/0x1e0
[  455.621374]  kmem_cache_alloc_node+0xe3/0x730
[  455.625891]  ? ipv6_get_ifaddr+0x42e/0x620
[  455.630158]  __alloc_skb+0x119/0x770
[  455.633892]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.639200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  455.643635]  ? lock_downgrade+0x900/0x900
[  455.647811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.653369]  ? refcount_sub_and_test_checked+0x203/0x310
[  455.658846]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  455.664326]  ? addrconf_rs_timer+0x690/0x690
[  455.668862]  ndisc_alloc_skb+0x144/0x340
[  455.672953]  ndisc_send_rs+0x331/0x6e0
[  455.676893]  addrconf_rs_timer+0x314/0x690
[  455.681154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  455.685420]  call_timer_fn+0x272/0x920
[  455.689328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  455.693583]  ? process_timeout+0x40/0x40
[  455.697705]  ? mark_held_locks+0xc7/0x130
[  455.701880]  ? _raw_spin_unlock_irq+0x27/0x80
[  455.706391]  ? _raw_spin_unlock_irq+0x27/0x80
[  455.710906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  455.715162]  ? lockdep_hardirqs_on+0x296/0x5b0
[  455.719773]  ? trace_hardirqs_on+0xbd/0x310
[  455.724118]  ? kasan_check_read+0x11/0x20
[  455.728349]  ? __run_timers+0x7da/0xc70
[  455.732350]  ? trace_hardirqs_off_caller+0x310/0x310
[  455.737478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  455.741736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  455.746019]  __run_timers+0x7e5/0xc70
[  455.749853]  ? timer_fixup_init+0x70/0x70
[  455.754038]  ? lock_downgrade+0x900/0x900
[  455.758203]  ? zap_class+0x640/0x640
[  455.761948]  ? print_usage_bug+0xc0/0xc0
[  455.766059]  ? trace_hardirqs_on+0x310/0x310
[  455.770505]  ? kvm_clock_read+0x18/0x30
[  455.774498]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  455.779538]  ? ktime_get+0x2c1/0x400
[  455.783279]  ? zap_class+0x640/0x640
[  455.787048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.792609]  ? check_preemption_disabled+0x48/0x280
[  455.797655]  ? __lock_is_held+0xb5/0x140
[  455.801738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.807326]  ? check_preemption_disabled+0x48/0x280
[  455.812377]  run_timer_softirq+0x52/0xb0
[  455.816459]  ? rcu_read_lock_sched_held+0x14f/0x180
[  455.821512]  __do_softirq+0x308/0xb7e
[  455.825346]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  455.830471]  ? irq_exit+0xbd/0x1c0
[  455.834047]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  455.839094]  ? smp_call_function_single_interrupt+0x650/0x650
[  455.845036]  ? ret_from_intr+0xb/0x1e
[  455.848871]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.854028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.858901]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.863958]  ? task_prio+0x50/0x50
[  455.867556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.873197]  ? check_preemption_disabled+0x48/0x280
[  455.878270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.883144]  ? neigh_periodic_work+0x6bd/0xc60
[  455.887751]  do_softirq_own_stack+0x2a/0x40
[  455.892088]  </IRQ>
[  455.894353]  do_softirq.part.14+0x126/0x160
[  455.898698]  __local_bh_enable_ip+0x21d/0x260
[  455.903221]  _raw_write_unlock_bh+0x30/0x40
[  455.907585]  neigh_periodic_work+0x6bd/0xc60
[  455.912045]  ? neigh_table_clear+0x390/0x390
[  455.916482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.922052]  ? check_preemption_disabled+0x48/0x280
[  455.927109]  ? __lock_is_held+0xb5/0x140
[  455.931213]  process_one_work+0xc90/0x1c40
[  455.935486]  ? mark_held_locks+0x130/0x130
[  455.939857]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  455.944549]  ? __switch_to_asm+0x40/0x70
[  455.948639]  ? __switch_to_asm+0x40/0x70
[  455.952719]  ? __switch_to_asm+0x34/0x70
[  455.956802]  ? __switch_to_asm+0x40/0x70
[  455.960967]  ? __switch_to_asm+0x34/0x70
[  455.965223]  ? __switch_to_asm+0x40/0x70
[  455.969305]  ? __switch_to_asm+0x34/0x70
[  455.973380]  ? __switch_to_asm+0x40/0x70
[  455.977470]  ? __schedule+0x8d7/0x21d0
[  455.981378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.986427]  ? lock_downgrade+0x900/0x900
[  455.990598]  ? zap_class+0x640/0x640
[  455.994335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.999217]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  456.003852]  ? lock_acquire+0x1ed/0x520
[  456.007851]  ? worker_thread+0x3e0/0x1390
[  456.012306]  ? kasan_check_read+0x11/0x20
[  456.016477]  ? do_raw_spin_lock+0x14f/0x350
[  456.020818]  ? kasan_check_read+0x11/0x20
[  456.025015]  ? rwlock_bug.part.2+0x90/0x90
[  456.029276]  ? trace_hardirqs_on+0x310/0x310
[  456.033721]  worker_thread+0x17f/0x1390
[  456.037717]  ? __switch_to_asm+0x34/0x70
[  456.041819]  ? process_one_work+0x1c40/0x1c40
[  456.046349]  ? zap_class+0x640/0x640
[  456.050082]  ? find_held_lock+0x36/0x1c0
[  456.054194]  ? __kthread_parkme+0xce/0x1a0
[  456.058454]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  456.063577]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  456.068702]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  456.073309]  ? trace_hardirqs_on+0xbd/0x310
[  456.077651]  ? kasan_check_read+0x11/0x20
[  456.081820]  ? __kthread_parkme+0xce/0x1a0
[  456.086152]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.091283]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.096416]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  456.101543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.107107]  ? __kthread_parkme+0xfb/0x1a0
[  456.111377]  ? process_one_work+0x1c40/0x1c40
[  456.115895]  kthread+0x35a/0x440
[  456.119282]  ? kthread_stop+0x900/0x900
[  456.123279]  ret_from_fork+0x3a/0x50
[  456.127044] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  456.127050] warn_alloc_show_mem: 1 callbacks suppressed
[  456.127057] Mem-Info:
[  456.134439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  456.134448] Call Trace:
[  456.139844] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  456.139844]  active_file:16 inactive_file:3 isolated_file:0
[  456.139844]  unevictable:0 dirty:0 writeback:0 unstable:0
[  456.139844]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  456.139844]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  456.139844]  free:13690 free_pcp:879 free_cma:0
[  456.142248]  <IRQ>
[  456.151638] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  456.154261]  dump_stack+0x244/0x39d
[  456.187333] 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
[  456.189525]  ? dump_stack_print_info.cold.1+0x20/0x20
[  456.217357] lowmem_reserve[]: 0 2818 6321 6321
[  456.221067]  warn_alloc.cold.116+0xb7/0x1bd
[  456.247267] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  456.252500]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  456.257146] lowmem_reserve[]: 0 0 3503 3503
[  456.261508]  ? lock_downgrade+0x900/0x900
[  456.289123] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  456.294041]  ? trace_hardirqs_off+0xb8/0x310
[  456.298343] lowmem_reserve[]: 0 0 0 0
[  456.302543]  ? trace_hardirqs_off+0xb8/0x310
[  456.332132] 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
[  456.336591]  __alloc_pages_slowpath+0x26e8/0x2e10
[  456.340381] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  456.344851]  ? warn_alloc+0x120/0x120
[  456.358458] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  456.363343]  ? warn_alloc+0x120/0x120
[  456.378699] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  456.382537]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  456.396505] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  456.396517] 4380 total pagecache pages
[  456.400356]  ? warn_alloc+0x120/0x120
[  456.409197] 0 pages in swap cache
[  456.414252]  ? print_usage_bug+0xc0/0xc0
[  456.422903] Swap cache stats: add 0, delete 0, find 0/0
[  456.422915] Free swap  = 0kB
[  456.426844]  ? print_usage_bug+0xc0/0xc0
[  456.430803] Total swap = 0kB
[  456.430812] 1965979 pages RAM
[  456.434296]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  456.438345] 0 pages HighMem/MovableOnly
[  456.438355] 342854 pages reserved
[  456.443764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.446834] 0 pages cma reserved
[  456.450918]  ? should_fail+0x22d/0xd01
[  456.454041] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  456.457063]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.462400] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  456.466266]  ? __lock_acquire+0x62f/0x4c20
[  456.469711] kworker/0:2 cpuset=/ mems_allowed=0
[  456.475290]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.518725]  ? should_fail+0x22d/0xd01
[  456.522724]  ? mark_held_locks+0x130/0x130
[  456.527019]  ? mark_held_locks+0x130/0x130
[  456.531277]  ? print_usage_bug+0xc0/0xc0
[  456.535369]  ? find_held_lock+0x36/0x1c0
[  456.539455]  ? zap_class+0x640/0x640
[  456.543203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.548782]  ? check_preemption_disabled+0x48/0x280
[  456.553843]  ? __lock_is_held+0xb5/0x140
[  456.558060]  __alloc_pages_nodemask+0xa80/0xde0
[  456.562772]  ? zap_class+0x640/0x640
[  456.566519]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  456.571581]  ? find_held_lock+0x36/0x1c0
[  456.575686]  ? ____cache_alloc_node+0x1c7/0x1e0
[  456.580395]  ? lock_downgrade+0x900/0x900
[  456.584580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.590227]  cache_grow_begin+0xa5/0x8c0
[  456.594328]  ? do_raw_spin_unlock+0xa7/0x330
[  456.598774]  fallback_alloc+0x204/0x2e0
[  456.602785]  ____cache_alloc_node+0x1c7/0x1e0
[  456.607387]  kmem_cache_alloc_node+0xe3/0x730
[  456.611915]  ? mark_held_locks+0xc7/0x130
[  456.616099]  __alloc_skb+0x119/0x770
[  456.619844]  ? netdev_alloc_frag+0x1f0/0x1f0
[  456.624276]  ? do_raw_spin_trylock+0x270/0x270
[  456.628883]  ? kmem_cache_alloc_trace+0x353/0x750
[  456.633759]  ? queue_work_on+0x12c/0x1e0
[  456.637853]  ? switchdev_port_obj_del+0xdc/0x440
[  456.642630]  ? switchdev_trans_item_enqueue+0x260/0x260
[  456.648042]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  456.653101]  __br_mdb_notify+0x4ff/0x15d0
[  456.657285]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  456.662433]  ? __br_mdb_add+0x7f0/0x7f0
[  456.666436]  ? mark_held_locks+0x130/0x130
[  456.670713]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  456.675842]  ? debug_object_assert_init+0x368/0x4b0
[  456.680885]  ? debug_object_init_on_stack+0x20/0x20
[  456.685921]  ? zap_class+0x640/0x640
[  456.689655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.695220]  br_mdb_notify+0x310/0x410
[  456.699134]  ? br_mdb_dump+0x27b0/0x27b0
[  456.703232]  br_multicast_del_pg+0x3df/0x790
[  456.707663]  ? br_mdb_ip_get+0x940/0x940
[  456.711753]  ? rwlock_bug.part.2+0x90/0x90
[  456.716038]  ? __lock_is_held+0xb5/0x140
[  456.720131]  br_multicast_port_group_expired+0x189/0x1e0
[  456.725607]  call_timer_fn+0x272/0x920
[  456.729515]  ? br_multicast_del_pg+0x790/0x790
[  456.734142]  ? process_timeout+0x40/0x40
[  456.738231]  ? __run_timers+0x7da/0xc70
[  456.742227]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.746755]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.751349]  ? br_multicast_del_pg+0x790/0x790
[  456.756050]  ? lockdep_hardirqs_on+0x296/0x5b0
[  456.760662]  ? trace_hardirqs_on+0xbd/0x310
[  456.765045]  ? kasan_check_read+0x11/0x20
[  456.769225]  ? __run_timers+0x7da/0xc70
[  456.773230]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.778379]  ? br_multicast_del_pg+0x790/0x790
[  456.783027]  ? br_multicast_del_pg+0x790/0x790
[  456.787642]  __run_timers+0x7e5/0xc70
[  456.791474]  ? timer_fixup_init+0x70/0x70
[  456.795661]  ? lock_acquire+0x1ed/0x520
[  456.799663]  ? zap_class+0x640/0x640
[  456.803405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.809010]  ? kasan_check_read+0x11/0x20
[  456.813280]  ? do_raw_spin_lock+0x14f/0x350
[  456.817643]  ? find_held_lock+0x36/0x1c0
[  456.821731]  ? zap_class+0x640/0x640
[  456.825481]  ? pvclock_read_flags+0x160/0x160
[  456.830027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.835676]  ? check_preemption_disabled+0x48/0x280
[  456.840747]  ? __lock_is_held+0xb5/0x140
[  456.844842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.850418]  ? check_preemption_disabled+0x48/0x280
[  456.855486]  run_timer_softirq+0x52/0xb0
[  456.859572]  ? rcu_read_lock_sched_held+0x14f/0x180
[  456.864693]  __do_softirq+0x308/0xb7e
[  456.868524]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  456.873038]  ? lock_downgrade+0x900/0x900
[  456.877208]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  456.882337]  ? pvclock_read_flags+0x160/0x160
[  456.886851]  ? lapic_next_event+0x5a/0x90
[  456.891037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.896599]  ? kvm_clock_read+0x18/0x30
[  456.900590]  ? kvm_sched_clock_read+0x9/0x20
[  456.905356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.911038]  ? check_preemption_disabled+0x48/0x280
[  456.916115]  irq_exit+0x17f/0x1c0
[  456.919595]  smp_apic_timer_interrupt+0x1cb/0x760
[  456.924453]  ? smp_reschedule_interrupt+0x109/0x650
[  456.929487]  ? smp_call_function_single_interrupt+0x650/0x650
[  456.935390]  ? interrupt_entry+0xb5/0xc0
[  456.939472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  456.944502]  ? trace_hardirqs_off_caller+0xbb/0x310
[  456.949539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.954418]  ? trace_hardirqs_on_caller+0x310/0x310
[  456.959448]  ? trace_hardirqs_on_caller+0x310/0x310
[  456.964481]  ? task_prio+0x50/0x50
[  456.968150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.973707]  ? check_preemption_disabled+0x48/0x280
[  456.978756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.983629]  apic_timer_interrupt+0xf/0x20
[  456.987959]  </IRQ>
[  456.990247] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  456.995200] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  457.014115] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  457.021838] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  457.029206] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  457.036489] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  457.043771] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  457.051055] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  457.058494]  skb_clone+0x1bb/0x500
[  457.062057]  ? finish_task_switch+0x1b4/0x910
[  457.066575]  ? skb_split+0x11e0/0x11e0
[  457.070483]  ? preempt_notifier_register+0x200/0x200
[  457.075601]  ? __switch_to_asm+0x34/0x70
[  457.079678]  ? __switch_to_asm+0x34/0x70
[  457.083756]  ? __switch_to_asm+0x40/0x70
[  457.087829]  ? __switch_to_asm+0x34/0x70
[  457.091907]  ? __switch_to_asm+0x40/0x70
[  457.096010]  ? __switch_to_asm+0x34/0x70
[  457.100086]  ? __switch_to_asm+0x40/0x70
[  457.104166]  ? __switch_to_asm+0x34/0x70
[  457.108246]  ? __switch_to_asm+0x34/0x70
[  457.112321]  ? __switch_to_asm+0x40/0x70
[  457.116398]  ? __switch_to_asm+0x34/0x70
[  457.120620]  bpf_clone_redirect+0xb9/0x490
[  457.124875]  ? __schedule+0x8d7/0x21d0
[  457.128788]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  457.133822]  ? __sched_text_start+0x8/0x8
[  457.138019]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  457.142616]  ? retint_kernel+0x2d/0x2d
[  457.146525]  ? trace_hardirqs_on_caller+0xc0/0x310
[  457.151479]  ? find_held_lock+0x36/0x1c0
[  457.155569]  ? lock_acquire+0x1ed/0x520
[  457.159562]  ? bpf_test_run+0x3cb/0x780
[  457.163553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.169114]  ? check_preemption_disabled+0x48/0x280
[  457.174157]  ? kasan_check_read+0x11/0x20
[  457.178325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.183622]  ? rcu_softirq_qs+0x20/0x20
[  457.187627]  ? preempt_schedule+0x4d/0x60
[  457.191796]  ? ___preempt_schedule+0x16/0x18
[  457.196230]  ? bpf_test_run+0x25d/0x780
[  457.200235]  ? netlink_diag_dump+0x2a0/0x2a0
[  457.204669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.210222]  ? bpf_test_init.isra.10+0x70/0x100
[  457.214917]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  457.219711]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  457.224574]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  457.230126]  ? fput+0x130/0x1a0
[  457.233424]  ? __bpf_prog_get+0x9b/0x290
[  457.237505]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  457.242375]  ? bpf_prog_test_run+0x130/0x1a0
[  457.246805]  ? __x64_sys_bpf+0x3d8/0x520
[  457.250882]  ? bpf_prog_get+0x20/0x20
[  457.254723]  ? do_syscall_64+0x1b9/0x820
[  457.258838]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  457.264221]  ? syscall_return_slowpath+0x5e0/0x5e0
[  457.269164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.274045]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.279080]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  457.284120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.289675]  ? prepare_exit_to_usermode+0x291/0x3b0
[  457.294714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.299587]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  457.305015] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  457.305202] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  457.312144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  457.312168] Workqueue: events_power_efficient neigh_periodic_work
[  457.322646] syz-executor1 cpuset=syz1 mems_allowed=0
[  457.332030] Call Trace:
[  457.345963]  <IRQ>
[  457.348174]  dump_stack+0x244/0x39d
[  457.351823]  ? dump_stack_print_info.cold.1+0x20/0x20
[  457.357056]  warn_alloc.cold.116+0xb7/0x1bd
[  457.361397]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  457.366267]  ? lock_downgrade+0x900/0x900
[  457.370446]  ? trace_hardirqs_off+0xb8/0x310
[  457.374876]  ? trace_hardirqs_off+0xb8/0x310
[  457.379516]  __alloc_pages_slowpath+0x26e8/0x2e10
[  457.384409]  ? warn_alloc+0x120/0x120
[  457.388231]  ? print_usage_bug+0xc0/0xc0
[  457.392317]  ? warn_alloc+0x120/0x120
[  457.396142]  ? warn_alloc+0x120/0x120
[  457.399962]  ? print_usage_bug+0xc0/0xc0
[  457.404075]  ? kvm_clock_read+0x18/0x30
[  457.408072]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  457.413109]  ? print_usage_bug+0xc0/0xc0
[  457.417189]  ? __lock_acquire+0x62f/0x4c20
[  457.421450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.427033]  ? should_fail+0x22d/0xd01
[  457.430937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.436265]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.441388]  ? __lock_acquire+0x62f/0x4c20
[  457.445646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.450765]  ? __lock_acquire+0x62f/0x4c20
[  457.455036]  ? should_fail+0x22d/0xd01
[  457.458936]  ? rcu_irq_exit+0x1a2/0x390
[  457.462995]  ? mark_held_locks+0x130/0x130
[  457.467261]  ? mark_held_locks+0x130/0x130
[  457.471519]  ? mark_held_locks+0xc7/0x130
[  457.475876]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  457.480915]  ? zap_class+0x640/0x640
[  457.484646]  ? print_usage_bug+0xc0/0xc0
[  457.488732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.494291]  ? check_preemption_disabled+0x48/0x280
[  457.499339]  ? __lock_is_held+0xb5/0x140
[  457.503426]  __alloc_pages_nodemask+0xa80/0xde0
[  457.508119]  ? zap_class+0x640/0x640
[  457.511857]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  457.516901]  ? find_held_lock+0x36/0x1c0
[  457.521018]  ? ____cache_alloc_node+0x1c7/0x1e0
[  457.525716]  ? lock_downgrade+0x900/0x900
[  457.529891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.535465]  cache_grow_begin+0xa5/0x8c0
[  457.539545]  ? do_raw_spin_unlock+0xa7/0x330
[  457.544069]  fallback_alloc+0x204/0x2e0
[  457.548068]  ____cache_alloc_node+0x1c7/0x1e0
[  457.552590]  kmem_cache_alloc_node+0xe3/0x730
[  457.557108]  ? ipv6_get_ifaddr+0x42e/0x620
[  457.561371]  __alloc_skb+0x119/0x770
[  457.565100]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.570400]  ? netdev_alloc_frag+0x1f0/0x1f0
[  457.574827]  ? lock_downgrade+0x900/0x900
[  457.579023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.584584]  ? refcount_sub_and_test_checked+0x203/0x310
[  457.590060]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  457.595532]  ? addrconf_rs_timer+0x690/0x690
[  457.600002]  ndisc_alloc_skb+0x144/0x340
[  457.604091]  ndisc_send_rs+0x331/0x6e0
[  457.608031]  addrconf_rs_timer+0x314/0x690
[  457.612293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.616558]  call_timer_fn+0x272/0x920
[  457.620461]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.624712]  ? process_timeout+0x40/0x40
[  457.628802]  ? mark_held_locks+0xc7/0x130
[  457.632996]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.637509]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.642029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.646282]  ? lockdep_hardirqs_on+0x296/0x5b0
[  457.650884]  ? trace_hardirqs_on+0xbd/0x310
[  457.655226]  ? kasan_check_read+0x11/0x20
[  457.659405]  ? __run_timers+0x7da/0xc70
[  457.663399]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.668526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.672788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.677046]  __run_timers+0x7e5/0xc70
[  457.680884]  ? timer_fixup_init+0x70/0x70
[  457.685057]  ? lock_downgrade+0x900/0x900
[  457.689239]  ? zap_class+0x640/0x640
[  457.693006]  ? print_usage_bug+0xc0/0xc0
[  457.697090]  ? trace_hardirqs_on+0x310/0x310
[  457.701530]  ? kvm_clock_read+0x18/0x30
[  457.705525]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  457.710558]  ? ktime_get+0x2c1/0x400
[  457.714291]  ? zap_class+0x640/0x640
[  457.718040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.723597]  ? check_preemption_disabled+0x48/0x280
[  457.728699]  ? __lock_is_held+0xb5/0x140
[  457.732776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.738329]  ? check_preemption_disabled+0x48/0x280
[  457.743373]  run_timer_softirq+0x52/0xb0
[  457.747452]  ? rcu_read_lock_sched_held+0x14f/0x180
[  457.752485]  __do_softirq+0x308/0xb7e
[  457.756310]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  457.761425]  ? irq_exit+0xbd/0x1c0
[  457.765014]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  457.770056]  ? smp_call_function_single_interrupt+0x650/0x650
[  457.775961]  ? ret_from_intr+0xb/0x1e
[  457.779812]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.784850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.789717]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.794755]  ? task_prio+0x50/0x50
[  457.798322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.803884]  ? check_preemption_disabled+0x48/0x280
[  457.808927]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.813793]  ? neigh_periodic_work+0x6bd/0xc60
[  457.818397]  do_softirq_own_stack+0x2a/0x40
[  457.822727]  </IRQ>
[  457.825010]  do_softirq.part.14+0x126/0x160
[  457.829363]  __local_bh_enable_ip+0x21d/0x260
[  457.833874]  _raw_write_unlock_bh+0x30/0x40
[  457.838300]  neigh_periodic_work+0x6bd/0xc60
[  457.842741]  ? neigh_table_clear+0x390/0x390
[  457.847170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.852725]  ? check_preemption_disabled+0x48/0x280
[  457.857771]  ? __lock_is_held+0xb5/0x140
[  457.861866]  process_one_work+0xc90/0x1c40
[  457.866152]  ? mark_held_locks+0x130/0x130
[  457.870414]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  457.875095]  ? __switch_to_asm+0x40/0x70
[  457.879167]  ? __switch_to_asm+0x40/0x70
[  457.883249]  ? __switch_to_asm+0x34/0x70
[  457.887327]  ? __switch_to_asm+0x40/0x70
[  457.891399]  ? __switch_to_asm+0x34/0x70
[  457.895470]  ? __switch_to_asm+0x40/0x70
[  457.899546]  ? __switch_to_asm+0x34/0x70
[  457.903620]  ? __switch_to_asm+0x40/0x70
[  457.907703]  ? __schedule+0x8d7/0x21d0
[  457.911615]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.916658]  ? lock_downgrade+0x900/0x900
[  457.920843]  ? zap_class+0x640/0x640
[  457.924577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.929448]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  457.934065]  ? lock_acquire+0x1ed/0x520
[  457.938064]  ? worker_thread+0x3e0/0x1390
[  457.942250]  ? kasan_check_read+0x11/0x20
[  457.946413]  ? do_raw_spin_lock+0x14f/0x350
[  457.950746]  ? kasan_check_read+0x11/0x20
[  457.954911]  ? rwlock_bug.part.2+0x90/0x90
[  457.959165]  ? trace_hardirqs_on+0x310/0x310
[  457.963605]  worker_thread+0x17f/0x1390
[  457.967599]  ? __switch_to_asm+0x34/0x70
[  457.971689]  ? process_one_work+0x1c40/0x1c40
[  457.976217]  ? zap_class+0x640/0x640
[  457.979950]  ? find_held_lock+0x36/0x1c0
[  457.984085]  ? __kthread_parkme+0xce/0x1a0
[  457.988339]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  457.993455]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  457.998577]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  458.003192]  ? trace_hardirqs_on+0xbd/0x310
[  458.007529]  ? kasan_check_read+0x11/0x20
[  458.012007]  ? __kthread_parkme+0xce/0x1a0
[  458.016268]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.021390]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.026514]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  458.031638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.037190]  ? __kthread_parkme+0xfb/0x1a0
[  458.041444]  ? process_one_work+0x1c40/0x1c40
[  458.045953]  kthread+0x35a/0x440
[  458.049371]  ? kthread_stop+0x900/0x900
[  458.053363]  ret_from_fork+0x3a/0x50
[  458.057117] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  458.057122] warn_alloc_show_mem: 1 callbacks suppressed
[  458.057130] Mem-Info:
[  458.064512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  458.069900] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  458.069900]  active_file:16 inactive_file:3 isolated_file:0
[  458.069900]  unevictable:0 dirty:0 writeback:0 unstable:0
[  458.069900]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  458.069900]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  458.069900]  free:13690 free_pcp:879 free_cma:0
[  458.072290] Call Trace:
[  458.081728] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  458.114709]  <IRQ>
[  458.117300] 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
[  458.145162]  dump_stack+0x244/0x39d
[  458.147302] lowmem_reserve[]: 0 2818 6321 6321
[  458.173447]  ? dump_stack_print_info.cold.1+0x20/0x20
[  458.177068] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  458.181673]  warn_alloc.cold.116+0xb7/0x1bd
[  458.186842] lowmem_reserve[]: 0 0 3503 3503
[  458.214451]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  458.218770] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  458.223108]  ? lock_downgrade+0x900/0x900
[  458.227940] lowmem_reserve[]: 0 0 0 0
[  458.257320]  ? trace_hardirqs_off+0xb8/0x310
[  458.261457] 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
[  458.265276]  ? trace_hardirqs_off+0xb8/0x310
[  458.269672] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  458.283225]  __alloc_pages_slowpath+0x26e8/0x2e10
[  458.287635] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  458.302941]  ? warn_alloc+0x120/0x120
[  458.307767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  458.321747]  ? warn_alloc+0x120/0x120
[  458.325543] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  458.334388]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  458.338181] 4380 total pagecache pages
[  458.346773]  ? warn_alloc+0x120/0x120
[  458.351793] 0 pages in swap cache
[  458.355689]  ? print_usage_bug+0xc0/0xc0
[  458.359479] Swap cache stats: add 0, delete 0, find 0/0
[  458.359488] Free swap  = 0kB
[  458.362953]  ? print_usage_bug+0xc0/0xc0
[  458.367041] Total swap = 0kB
[  458.372416]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  458.375428] 1965979 pages RAM
[  458.379511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.382515] 0 pages HighMem/MovableOnly
[  458.382525] 342854 pages reserved
[  458.387731]  ? should_fail+0x22d/0xd01
[  458.390825] 0 pages cma reserved
[  458.390908] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  458.396383]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.400450] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  458.403822]  ? __lock_acquire+0x62f/0x4c20
[  458.407702] kworker/0:2 cpuset=/ mems_allowed=0
[  458.411082]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.447163]  ? should_fail+0x22d/0xd01
[  458.451083]  ? mark_held_locks+0x130/0x130
[  458.455337]  ? mark_held_locks+0x130/0x130
[  458.459597]  ? print_usage_bug+0xc0/0xc0
[  458.463731]  ? find_held_lock+0x36/0x1c0
[  458.467818]  ? zap_class+0x640/0x640
[  458.471555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.477112]  ? check_preemption_disabled+0x48/0x280
[  458.482157]  ? __lock_is_held+0xb5/0x140
[  458.486240]  __alloc_pages_nodemask+0xa80/0xde0
[  458.490929]  ? zap_class+0x640/0x640
[  458.494664]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  458.499709]  ? find_held_lock+0x36/0x1c0
[  458.503807]  ? ____cache_alloc_node+0x1c7/0x1e0
[  458.508495]  ? lock_downgrade+0x900/0x900
[  458.512668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.518316]  cache_grow_begin+0xa5/0x8c0
[  458.522400]  ? do_raw_spin_unlock+0xa7/0x330
[  458.526832]  fallback_alloc+0x204/0x2e0
[  458.530835]  ____cache_alloc_node+0x1c7/0x1e0
[  458.535353]  kmem_cache_alloc_node+0xe3/0x730
[  458.539866]  ? mark_held_locks+0xc7/0x130
[  458.544052]  __alloc_skb+0x119/0x770
[  458.547793]  ? netdev_alloc_frag+0x1f0/0x1f0
[  458.552222]  ? do_raw_spin_trylock+0x270/0x270
[  458.556827]  ? kmem_cache_alloc_trace+0x353/0x750
[  458.561766]  ? queue_work_on+0x12c/0x1e0
[  458.565859]  ? switchdev_port_obj_del+0xdc/0x440
[  458.570638]  ? switchdev_trans_item_enqueue+0x260/0x260
[  458.576047]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  458.581093]  __br_mdb_notify+0x4ff/0x15d0
[  458.585258]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  458.590389]  ? __br_mdb_add+0x7f0/0x7f0
[  458.594386]  ? mark_held_locks+0x130/0x130
[  458.598643]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  458.603770]  ? debug_object_assert_init+0x368/0x4b0
[  458.608809]  ? debug_object_init_on_stack+0x20/0x20
[  458.613844]  ? zap_class+0x640/0x640
[  458.617575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.623138]  br_mdb_notify+0x310/0x410
[  458.627049]  ? br_mdb_dump+0x27b0/0x27b0
[  458.631144]  br_multicast_del_pg+0x3df/0x790
[  458.635616]  ? br_mdb_ip_get+0x940/0x940
[  458.639698]  ? rwlock_bug.part.2+0x90/0x90
[  458.643958]  ? __lock_is_held+0xb5/0x140
[  458.648078]  br_multicast_port_group_expired+0x189/0x1e0
[  458.653553]  call_timer_fn+0x272/0x920
[  458.657462]  ? br_multicast_del_pg+0x790/0x790
[  458.662062]  ? process_timeout+0x40/0x40
[  458.666150]  ? __run_timers+0x7da/0xc70
[  458.670144]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.674652]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.679163]  ? br_multicast_del_pg+0x790/0x790
[  458.683772]  ? lockdep_hardirqs_on+0x296/0x5b0
[  458.688378]  ? trace_hardirqs_on+0xbd/0x310
[  458.692716]  ? kasan_check_read+0x11/0x20
[  458.696888]  ? __run_timers+0x7da/0xc70
[  458.700880]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.706038]  ? br_multicast_del_pg+0x790/0x790
[  458.710647]  ? br_multicast_del_pg+0x790/0x790
[  458.715246]  __run_timers+0x7e5/0xc70
[  458.719094]  ? timer_fixup_init+0x70/0x70
[  458.723265]  ? lock_acquire+0x1ed/0x520
[  458.727258]  ? zap_class+0x640/0x640
[  458.731015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.736576]  ? kasan_check_read+0x11/0x20
[  458.740748]  ? do_raw_spin_lock+0x14f/0x350
[  458.745099]  ? find_held_lock+0x36/0x1c0
[  458.749186]  ? zap_class+0x640/0x640
[  458.752922]  ? pvclock_read_flags+0x160/0x160
[  458.757439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.763022]  ? check_preemption_disabled+0x48/0x280
[  458.768072]  ? __lock_is_held+0xb5/0x140
[  458.772152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.777706]  ? check_preemption_disabled+0x48/0x280
[  458.782752]  run_timer_softirq+0x52/0xb0
[  458.786844]  ? rcu_read_lock_sched_held+0x14f/0x180
[  458.791882]  __do_softirq+0x308/0xb7e
[  458.795707]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  458.800221]  ? lock_downgrade+0x900/0x900
[  458.804394]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  458.809520]  ? pvclock_read_flags+0x160/0x160
[  458.814038]  ? lapic_next_event+0x5a/0x90
[  458.818209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.823777]  ? kvm_clock_read+0x18/0x30
[  458.827766]  ? kvm_sched_clock_read+0x9/0x20
[  458.832192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.837751]  ? check_preemption_disabled+0x48/0x280
[  458.842795]  irq_exit+0x17f/0x1c0
[  458.846266]  smp_apic_timer_interrupt+0x1cb/0x760
[  458.851124]  ? smp_reschedule_interrupt+0x109/0x650
[  458.856159]  ? smp_call_function_single_interrupt+0x650/0x650
[  458.862062]  ? interrupt_entry+0xb5/0xc0
[  458.866145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.871177]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.876214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.881075]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.886107]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.891138]  ? task_prio+0x50/0x50
[  458.894700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.900255]  ? check_preemption_disabled+0x48/0x280
[  458.905547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.910576]  apic_timer_interrupt+0xf/0x20
[  458.914823]  </IRQ>
[  458.917082] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  458.922051] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  458.940964] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  458.948829] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  458.959477] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  458.966797] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  458.974148] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  458.981611] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  458.988935]  skb_clone+0x1bb/0x500
[  458.992520]  ? finish_task_switch+0x1b4/0x910
[  458.997046]  ? skb_split+0x11e0/0x11e0
[  459.000967]  ? preempt_notifier_register+0x200/0x200
[  459.006121]  ? __switch_to_asm+0x34/0x70
[  459.010201]  ? __switch_to_asm+0x34/0x70
[  459.014274]  ? __switch_to_asm+0x40/0x70
[  459.018352]  ? __switch_to_asm+0x34/0x70
[  459.022425]  ? __switch_to_asm+0x40/0x70
[  459.026498]  ? __switch_to_asm+0x34/0x70
[  459.030580]  ? __switch_to_asm+0x40/0x70
[  459.034725]  ? __switch_to_asm+0x34/0x70
[  459.038811]  ? __switch_to_asm+0x34/0x70
[  459.042885]  ? __switch_to_asm+0x40/0x70
[  459.046959]  ? __switch_to_asm+0x34/0x70
[  459.051143]  bpf_clone_redirect+0xb9/0x490
[  459.055400]  ? __schedule+0x8d7/0x21d0
[  459.059311]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  459.064418]  ? __sched_text_start+0x8/0x8
[  459.068591]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  459.073188]  ? retint_kernel+0x2d/0x2d
[  459.077095]  ? trace_hardirqs_on_caller+0xc0/0x310
[  459.082050]  ? find_held_lock+0x36/0x1c0
[  459.086208]  ? lock_acquire+0x1ed/0x520
[  459.090215]  ? bpf_test_run+0x3cb/0x780
[  459.094218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.099776]  ? check_preemption_disabled+0x48/0x280
[  459.104819]  ? kasan_check_read+0x11/0x20
[  459.109014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.114330]  ? rcu_softirq_qs+0x20/0x20
[  459.118328]  ? preempt_schedule+0x4d/0x60
[  459.122496]  ? ___preempt_schedule+0x16/0x18
[  459.126935]  ? bpf_test_run+0x25d/0x780
[  459.130937]  ? netlink_diag_dump+0x2a0/0x2a0
[  459.135465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.141042]  ? bpf_test_init.isra.10+0x70/0x100
[  459.145743]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  459.150529]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  459.155389]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  459.160949]  ? fput+0x130/0x1a0
[  459.164349]  ? __bpf_prog_get+0x9b/0x290
[  459.168439]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  459.173298]  ? bpf_prog_test_run+0x130/0x1a0
[  459.177729]  ? __x64_sys_bpf+0x3d8/0x520
[  459.181957]  ? bpf_prog_get+0x20/0x20
[  459.185916]  ? do_syscall_64+0x1b9/0x820
[  459.190019]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  459.195406]  ? syscall_return_slowpath+0x5e0/0x5e0
[  459.200353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.205220]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.210257]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  459.215293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.220850]  ? prepare_exit_to_usermode+0x291/0x3b0
[  459.225890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.230761]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  459.236162] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  459.236350] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  459.243296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  459.253946] syz-executor1 cpuset=syz1 mems_allowed=0
[  459.263411] Workqueue: events_power_efficient neigh_periodic_work
[  459.274818] Call Trace:
[  459.277540]  <IRQ>
[  459.279717]  dump_stack+0x244/0x39d
[  459.283368]  ? dump_stack_print_info.cold.1+0x20/0x20
[  459.288674]  warn_alloc.cold.116+0xb7/0x1bd
[  459.293041]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  459.297906]  ? lock_downgrade+0x900/0x900
[  459.302082]  ? trace_hardirqs_off+0xb8/0x310
[  459.306515]  ? trace_hardirqs_off+0xb8/0x310
[  459.310947]  __alloc_pages_slowpath+0x26e8/0x2e10
[  459.315862]  ? warn_alloc+0x120/0x120
[  459.319684]  ? print_usage_bug+0xc0/0xc0
[  459.323833]  ? warn_alloc+0x120/0x120
[  459.327688]  ? warn_alloc+0x120/0x120
[  459.331507]  ? print_usage_bug+0xc0/0xc0
[  459.335584]  ? kvm_clock_read+0x18/0x30
[  459.339634]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  459.344685]  ? print_usage_bug+0xc0/0xc0
[  459.348835]  ? __lock_acquire+0x62f/0x4c20
[  459.353096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.358744]  ? should_fail+0x22d/0xd01
[  459.362789]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.368152]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.373287]  ? __lock_acquire+0x62f/0x4c20
[  459.377546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.382662]  ? __lock_acquire+0x62f/0x4c20
[  459.386909]  ? should_fail+0x22d/0xd01
[  459.390814]  ? rcu_irq_exit+0x1a2/0x390
[  459.394820]  ? mark_held_locks+0x130/0x130
[  459.399081]  ? mark_held_locks+0x130/0x130
[  459.403342]  ? mark_held_locks+0xc7/0x130
[  459.407507]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  459.412542]  ? zap_class+0x640/0x640
[  459.416278]  ? print_usage_bug+0xc0/0xc0
[  459.420361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.425918]  ? check_preemption_disabled+0x48/0x280
[  459.430959]  ? __lock_is_held+0xb5/0x140
[  459.435077]  __alloc_pages_nodemask+0xa80/0xde0
[  459.439765]  ? zap_class+0x640/0x640
[  459.443500]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  459.448545]  ? find_held_lock+0x36/0x1c0
[  459.452640]  ? ____cache_alloc_node+0x1c7/0x1e0
[  459.457331]  ? lock_downgrade+0x900/0x900
[  459.461509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.467072]  cache_grow_begin+0xa5/0x8c0
[  459.471153]  ? do_raw_spin_unlock+0xa7/0x330
[  459.475586]  fallback_alloc+0x204/0x2e0
[  459.479586]  ____cache_alloc_node+0x1c7/0x1e0
[  459.484107]  kmem_cache_alloc_node+0xe3/0x730
[  459.488635]  ? ipv6_get_ifaddr+0x42e/0x620
[  459.492903]  __alloc_skb+0x119/0x770
[  459.496636]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.501937]  ? netdev_alloc_frag+0x1f0/0x1f0
[  459.506457]  ? lock_downgrade+0x900/0x900
[  459.510635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.516200]  ? refcount_sub_and_test_checked+0x203/0x310
[  459.521681]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  459.527154]  ? addrconf_rs_timer+0x690/0x690
[  459.531593]  ndisc_alloc_skb+0x144/0x340
[  459.535677]  ndisc_send_rs+0x331/0x6e0
[  459.539589]  addrconf_rs_timer+0x314/0x690
[  459.543847]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.548113]  call_timer_fn+0x272/0x920
[  459.552036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.556291]  ? process_timeout+0x40/0x40
[  459.560393]  ? mark_held_locks+0xc7/0x130
[  459.564562]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.569079]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.573596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.577860]  ? lockdep_hardirqs_on+0x296/0x5b0
[  459.582469]  ? trace_hardirqs_on+0xbd/0x310
[  459.586808]  ? kasan_check_read+0x11/0x20
[  459.591005]  ? __run_timers+0x7da/0xc70
[  459.595031]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.600280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.604549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.608801]  __run_timers+0x7e5/0xc70
[  459.612717]  ? timer_fixup_init+0x70/0x70
[  459.616887]  ? lock_downgrade+0x900/0x900
[  459.621053]  ? zap_class+0x640/0x640
[  459.624795]  ? print_usage_bug+0xc0/0xc0
[  459.628937]  ? trace_hardirqs_on+0x310/0x310
[  459.633406]  ? kvm_clock_read+0x18/0x30
[  459.637398]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  459.642438]  ? ktime_get+0x2c1/0x400
[  459.646174]  ? zap_class+0x640/0x640
[  459.649913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.655477]  ? check_preemption_disabled+0x48/0x280
[  459.660538]  ? __lock_is_held+0xb5/0x140
[  459.664724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.670285]  ? check_preemption_disabled+0x48/0x280
[  459.675327]  run_timer_softirq+0x52/0xb0
[  459.679407]  ? rcu_read_lock_sched_held+0x14f/0x180
[  459.684448]  __do_softirq+0x308/0xb7e
[  459.688284]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  459.693400]  ? irq_exit+0xbd/0x1c0
[  459.696955]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  459.702042]  ? smp_call_function_single_interrupt+0x650/0x650
[  459.708034]  ? ret_from_intr+0xb/0x1e
[  459.711857]  ? trace_hardirqs_off_caller+0xbb/0x310
[  459.716959]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.721852]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.726885]  ? task_prio+0x50/0x50
[  459.730455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.736035]  ? check_preemption_disabled+0x48/0x280
[  459.741085]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.745950]  ? neigh_periodic_work+0x6bd/0xc60
[  459.750579]  do_softirq_own_stack+0x2a/0x40
[  459.754912]  </IRQ>
[  459.757172]  do_softirq.part.14+0x126/0x160
[  459.761510]  __local_bh_enable_ip+0x21d/0x260
[  459.766054]  _raw_write_unlock_bh+0x30/0x40
[  459.770395]  neigh_periodic_work+0x6bd/0xc60
[  459.774832]  ? neigh_table_clear+0x390/0x390
[  459.779268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.784825]  ? check_preemption_disabled+0x48/0x280
[  459.789874]  ? __lock_is_held+0xb5/0x140
[  459.793996]  process_one_work+0xc90/0x1c40
[  459.798258]  ? mark_held_locks+0x130/0x130
[  459.802522]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  459.807203]  ? __switch_to_asm+0x40/0x70
[  459.811346]  ? __switch_to_asm+0x40/0x70
[  459.815424]  ? __switch_to_asm+0x34/0x70
[  459.819499]  ? __switch_to_asm+0x40/0x70
[  459.823574]  ? __switch_to_asm+0x34/0x70
[  459.827647]  ? __switch_to_asm+0x40/0x70
[  459.831721]  ? __switch_to_asm+0x34/0x70
[  459.835795]  ? __switch_to_asm+0x40/0x70
[  459.839882]  ? __schedule+0x8d7/0x21d0
[  459.843790]  ? trace_hardirqs_off_caller+0xbb/0x310
[  459.848835]  ? lock_downgrade+0x900/0x900
[  459.853031]  ? zap_class+0x640/0x640
[  459.856766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.861637]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  459.866259]  ? lock_acquire+0x1ed/0x520
[  459.870257]  ? worker_thread+0x3e0/0x1390
[  459.874467]  ? kasan_check_read+0x11/0x20
[  459.878630]  ? do_raw_spin_lock+0x14f/0x350
[  459.882966]  ? kasan_check_read+0x11/0x20
[  459.887161]  ? rwlock_bug.part.2+0x90/0x90
[  459.891412]  ? trace_hardirqs_on+0x310/0x310
[  459.895850]  worker_thread+0x17f/0x1390
[  459.899842]  ? __switch_to_asm+0x34/0x70
[  459.903933]  ? process_one_work+0x1c40/0x1c40
[  459.908461]  ? zap_class+0x640/0x640
[  459.912192]  ? find_held_lock+0x36/0x1c0
[  459.916300]  ? __kthread_parkme+0xce/0x1a0
[  459.920552]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  459.925673]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  459.930796]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  459.935397]  ? trace_hardirqs_on+0xbd/0x310
[  459.939735]  ? kasan_check_read+0x11/0x20
[  459.943905]  ? __kthread_parkme+0xce/0x1a0
[  459.948238]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.953362]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.958496]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  459.963622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.969177]  ? __kthread_parkme+0xfb/0x1a0
[  459.973433]  ? process_one_work+0x1c40/0x1c40
[  459.978051]  kthread+0x35a/0x440
[  459.981442]  ? kthread_stop+0x900/0x900
[  459.985532]  ret_from_fork+0x3a/0x50
[  459.989289] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  459.989294] warn_alloc_show_mem: 1 callbacks suppressed
[  459.989302] Mem-Info:
[  459.996686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  460.002074] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  460.002074]  active_file:16 inactive_file:3 isolated_file:0
[  460.002074]  unevictable:0 dirty:0 writeback:0 unstable:0
[  460.002074]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  460.002074]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  460.002074]  free:13690 free_pcp:879 free_cma:0
[  460.004467] Call Trace:
[  460.014340] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  460.047631]  <IRQ>
[  460.050226] 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
[  460.078264]  dump_stack+0x244/0x39d
[  460.080417] lowmem_reserve[]: 0 2818 6321 6321
[  460.106692]  ? dump_stack_print_info.cold.1+0x20/0x20
[  460.110318] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  460.114924]  warn_alloc.cold.116+0xb7/0x1bd
[  460.120098] lowmem_reserve[]: 0 0 3503 3503
[  460.147816]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  460.152137] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  460.156478]  ? lock_downgrade+0x900/0x900
[  460.161305] lowmem_reserve[]: 0 0 0 0
[  460.190657]  ? trace_hardirqs_off+0xb8/0x310
[  460.194798] 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
[  460.198615]  ? trace_hardirqs_off+0xb8/0x310
[  460.203044] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  460.216655]  __alloc_pages_slowpath+0x26e8/0x2e10
[  460.221078] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  460.236443]  ? warn_alloc+0x120/0x120
[  460.241278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  460.255245]  ? warn_alloc+0x120/0x120
[  460.259047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  460.259057] 4380 total pagecache pages
[  460.267910]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  460.271713] 0 pages in swap cache
[  460.280470]  ? warn_alloc+0x120/0x120
[  460.284350] Swap cache stats: add 0, delete 0, find 0/0
[  460.284360] Free swap  = 0kB
[  460.289391]  ? print_usage_bug+0xc0/0xc0
[  460.292834] Total swap = 0kB
[  460.292844] 1965979 pages RAM
[  460.296657]  ? print_usage_bug+0xc0/0xc0
[  460.302026] 0 pages HighMem/MovableOnly
[  460.302036] 342854 pages reserved
[  460.305075]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  460.309129] 0 pages cma reserved
[  460.312182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.315351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  460.319374]  ? should_fail+0x22d/0xd01
[  460.319395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  460.319412]  ? __lock_acquire+0x62f/0x4c20
[  460.323457] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  460.326927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  460.332123] kworker/0:2 cpuset=/ mems_allowed=0
[  460.335506]  ? should_fail+0x22d/0xd01
[  460.385197]  ? mark_held_locks+0x130/0x130
[  460.389454]  ? mark_held_locks+0x130/0x130
[  460.393794]  ? print_usage_bug+0xc0/0xc0
[  460.397961]  ? find_held_lock+0x36/0x1c0
[  460.402078]  ? zap_class+0x640/0x640
[  460.405819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.411377]  ? check_preemption_disabled+0x48/0x280
[  460.416419]  ? __lock_is_held+0xb5/0x140
[  460.420503]  __alloc_pages_nodemask+0xa80/0xde0
[  460.425190]  ? zap_class+0x640/0x640
[  460.428925]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  460.434000]  ? find_held_lock+0x36/0x1c0
[  460.438106]  ? ____cache_alloc_node+0x1c7/0x1e0
[  460.442800]  ? lock_downgrade+0x900/0x900
[  460.446998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.452564]  cache_grow_begin+0xa5/0x8c0
[  460.456641]  ? do_raw_spin_unlock+0xa7/0x330
[  460.461075]  fallback_alloc+0x204/0x2e0
[  460.465091]  ____cache_alloc_node+0x1c7/0x1e0
[  460.469619]  kmem_cache_alloc_node+0xe3/0x730
[  460.474132]  ? mark_held_locks+0xc7/0x130
[  460.478307]  __alloc_skb+0x119/0x770
[  460.482046]  ? netdev_alloc_frag+0x1f0/0x1f0
[  460.486470]  ? do_raw_spin_trylock+0x270/0x270
[  460.491074]  ? kmem_cache_alloc_trace+0x353/0x750
[  460.495942]  ? queue_work_on+0x12c/0x1e0
[  460.500060]  ? switchdev_port_obj_del+0xdc/0x440
[  460.504838]  ? switchdev_trans_item_enqueue+0x260/0x260
[  460.510293]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  460.515338]  __br_mdb_notify+0x4ff/0x15d0
[  460.519546]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  460.524680]  ? __br_mdb_add+0x7f0/0x7f0
[  460.528677]  ? mark_held_locks+0x130/0x130
[  460.533025]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  460.538153]  ? debug_object_assert_init+0x368/0x4b0
[  460.543193]  ? debug_object_init_on_stack+0x20/0x20
[  460.548227]  ? zap_class+0x640/0x640
[  460.551963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.557556]  br_mdb_notify+0x310/0x410
[  460.561532]  ? br_mdb_dump+0x27b0/0x27b0
[  460.565628]  br_multicast_del_pg+0x3df/0x790
[  460.570065]  ? br_mdb_ip_get+0x940/0x940
[  460.574220]  ? rwlock_bug.part.2+0x90/0x90
[  460.578488]  ? __lock_is_held+0xb5/0x140
[  460.582579]  br_multicast_port_group_expired+0x189/0x1e0
[  460.588083]  call_timer_fn+0x272/0x920
[  460.592001]  ? br_multicast_del_pg+0x790/0x790
[  460.596605]  ? process_timeout+0x40/0x40
[  460.600690]  ? __run_timers+0x7da/0xc70
[  460.604683]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.609262]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.613788]  ? br_multicast_del_pg+0x790/0x790
[  460.618411]  ? lockdep_hardirqs_on+0x296/0x5b0
[  460.623055]  ? trace_hardirqs_on+0xbd/0x310
[  460.627418]  ? kasan_check_read+0x11/0x20
[  460.631593]  ? __run_timers+0x7da/0xc70
[  460.635592]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.640744]  ? br_multicast_del_pg+0x790/0x790
[  460.645360]  ? br_multicast_del_pg+0x790/0x790
[  460.649960]  __run_timers+0x7e5/0xc70
[  460.653818]  ? timer_fixup_init+0x70/0x70
[  460.658019]  ? lock_acquire+0x1ed/0x520
[  460.662036]  ? zap_class+0x640/0x640
[  460.665768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.671329]  ? kasan_check_read+0x11/0x20
[  460.675624]  ? do_raw_spin_lock+0x14f/0x350
[  460.680002]  ? find_held_lock+0x36/0x1c0
[  460.684097]  ? zap_class+0x640/0x640
[  460.687838]  ? pvclock_read_flags+0x160/0x160
[  460.692495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.698084]  ? check_preemption_disabled+0x48/0x280
[  460.703149]  ? __lock_is_held+0xb5/0x140
[  460.707245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.712837]  ? check_preemption_disabled+0x48/0x280
[  460.718227]  run_timer_softirq+0x52/0xb0
[  460.722310]  ? rcu_read_lock_sched_held+0x14f/0x180
[  460.727421]  __do_softirq+0x308/0xb7e
[  460.731248]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  460.735771]  ? lock_downgrade+0x900/0x900
[  460.739949]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  460.745118]  ? pvclock_read_flags+0x160/0x160
[  460.749641]  ? lapic_next_event+0x5a/0x90
[  460.753817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.759380]  ? kvm_clock_read+0x18/0x30
[  460.763371]  ? kvm_sched_clock_read+0x9/0x20
[  460.767801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.773361]  ? check_preemption_disabled+0x48/0x280
[  460.778408]  irq_exit+0x17f/0x1c0
[  460.781885]  smp_apic_timer_interrupt+0x1cb/0x760
[  460.786766]  ? smp_reschedule_interrupt+0x109/0x650
[  460.791802]  ? smp_call_function_single_interrupt+0x650/0x650
[  460.797708]  ? interrupt_entry+0xb5/0xc0
[  460.801798]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.806833]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.811945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.816843]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.821877]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.826915]  ? task_prio+0x50/0x50
[  460.830478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.836059]  ? check_preemption_disabled+0x48/0x280
[  460.841101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.846010]  apic_timer_interrupt+0xf/0x20
[  460.850261]  </IRQ>
[  460.852526] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  460.857479] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  460.876419] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  460.884156] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  460.891442] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  460.898754] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  460.906415] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  460.913822] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  460.921157]  skb_clone+0x1bb/0x500
[  460.924722]  ? finish_task_switch+0x1b4/0x910
[  460.929312]  ? skb_split+0x11e0/0x11e0
[  460.933223]  ? preempt_notifier_register+0x200/0x200
[  460.938345]  ? __switch_to_asm+0x34/0x70
[  460.942491]  ? __switch_to_asm+0x34/0x70
[  460.946564]  ? __switch_to_asm+0x40/0x70
[  460.950649]  ? __switch_to_asm+0x34/0x70
[  460.954725]  ? __switch_to_asm+0x40/0x70
[  460.958811]  ? __switch_to_asm+0x34/0x70
[  460.962963]  ? __switch_to_asm+0x40/0x70
[  460.967075]  ? __switch_to_asm+0x34/0x70
[  460.971161]  ? __switch_to_asm+0x34/0x70
[  460.975236]  ? __switch_to_asm+0x40/0x70
[  460.979323]  ? __switch_to_asm+0x34/0x70
[  460.983408]  bpf_clone_redirect+0xb9/0x490
[  460.987670]  ? __schedule+0x8d7/0x21d0
[  460.991587]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  460.996625]  ? __sched_text_start+0x8/0x8
[  461.000807]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  461.005413]  ? retint_kernel+0x2d/0x2d
[  461.009393]  ? trace_hardirqs_on_caller+0xc0/0x310
[  461.014353]  ? find_held_lock+0x36/0x1c0
[  461.018444]  ? lock_acquire+0x1ed/0x520
[  461.022440]  ? bpf_test_run+0x3cb/0x780
[  461.026611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.032298]  ? check_preemption_disabled+0x48/0x280
[  461.037344]  ? kasan_check_read+0x11/0x20
[  461.041532]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.046828]  ? rcu_softirq_qs+0x20/0x20
[  461.050824]  ? preempt_schedule+0x4d/0x60
[  461.055016]  ? ___preempt_schedule+0x16/0x18
[  461.059473]  ? bpf_test_run+0x25d/0x780
[  461.063477]  ? netlink_diag_dump+0x2a0/0x2a0
[  461.068008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.073567]  ? bpf_test_init.isra.10+0x70/0x100
[  461.078291]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  461.083249]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  461.088110]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  461.093738]  ? fput+0x130/0x1a0
[  461.097053]  ? __bpf_prog_get+0x9b/0x290
[  461.101139]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  461.106021]  ? bpf_prog_test_run+0x130/0x1a0
[  461.110470]  ? __x64_sys_bpf+0x3d8/0x520
[  461.114567]  ? bpf_prog_get+0x20/0x20
[  461.118416]  ? do_syscall_64+0x1b9/0x820
[  461.122499]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  461.127886]  ? syscall_return_slowpath+0x5e0/0x5e0
[  461.132834]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.137703]  ? trace_hardirqs_on_caller+0x310/0x310
[  461.142753]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  461.147928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.153492]  ? prepare_exit_to_usermode+0x291/0x3b0
[  461.158540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.163426]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  461.168840] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  461.169060] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  461.176067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  461.176093] Workqueue: events_power_efficient neigh_periodic_work
[  461.186590] syz-executor1 cpuset=syz1 mems_allowed=0
[  461.196090] Call Trace:
[  461.210041]  <IRQ>
[  461.212224]  dump_stack+0x244/0x39d
[  461.215888]  ? dump_stack_print_info.cold.1+0x20/0x20
[  461.221182]  warn_alloc.cold.116+0xb7/0x1bd
[  461.225525]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  461.230390]  ? lock_downgrade+0x900/0x900
[  461.234565]  ? trace_hardirqs_off+0xb8/0x310
[  461.239028]  ? trace_hardirqs_off+0xb8/0x310
[  461.243477]  __alloc_pages_slowpath+0x26e8/0x2e10
[  461.248377]  ? warn_alloc+0x120/0x120
[  461.252388]  ? print_usage_bug+0xc0/0xc0
[  461.256470]  ? warn_alloc+0x120/0x120
[  461.260299]  ? warn_alloc+0x120/0x120
[  461.264124]  ? print_usage_bug+0xc0/0xc0
[  461.268210]  ? print_usage_bug+0xc0/0xc0
[  461.272297]  ? __lock_acquire+0x62f/0x4c20
[  461.276559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.282118]  ? should_fail+0x22d/0xd01
[  461.286050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.291181]  ? __lock_acquire+0x62f/0x4c20
[  461.295443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.300568]  ? __lock_acquire+0x62f/0x4c20
[  461.304835]  ? should_fail+0x22d/0xd01
[  461.308814]  ? find_held_lock+0x36/0x1c0
[  461.313347]  ? mark_held_locks+0x130/0x130
[  461.317610]  ? mark_held_locks+0x130/0x130
[  461.321865]  ? zap_class+0x640/0x640
[  461.325601]  ? zap_class+0x640/0x640
[  461.329338]  ? print_usage_bug+0xc0/0xc0
[  461.333419]  ? do_raw_spin_unlock+0xa7/0x330
[  461.337847]  ? zap_class+0x640/0x640
[  461.341584]  ? print_usage_bug+0xc0/0xc0
[  461.345782]  ? wq_watchdog_touch+0x9c/0xfe
[  461.350046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.355609]  ? check_preemption_disabled+0x48/0x280
[  461.360657]  ? __lock_is_held+0xb5/0x140
[  461.364750]  __alloc_pages_nodemask+0xa80/0xde0
[  461.369452]  ? zap_class+0x640/0x640
[  461.373209]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  461.378421]  ? find_held_lock+0x36/0x1c0
[  461.382532]  ? ____cache_alloc_node+0x1c7/0x1e0
[  461.387241]  ? lock_downgrade+0x900/0x900
[  461.391427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.397128]  cache_grow_begin+0xa5/0x8c0
[  461.401215]  ? do_raw_spin_unlock+0xa7/0x330
[  461.405868]  fallback_alloc+0x204/0x2e0
[  461.409939]  ____cache_alloc_node+0x1c7/0x1e0
[  461.414556]  kmem_cache_alloc_node+0xe3/0x730
[  461.419082]  ? ipv6_get_ifaddr+0x42e/0x620
[  461.423349]  __alloc_skb+0x119/0x770
[  461.427081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.432385]  ? netdev_alloc_frag+0x1f0/0x1f0
[  461.436835]  ? lock_downgrade+0x900/0x900
[  461.441068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.446648]  ? refcount_sub_and_test_checked+0x203/0x310
[  461.452211]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  461.457793]  ? addrconf_rs_timer+0x690/0x690
[  461.462250]  ndisc_alloc_skb+0x144/0x340
[  461.466348]  ndisc_send_rs+0x331/0x6e0
[  461.470337]  addrconf_rs_timer+0x314/0x690
[  461.474794]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.479066]  call_timer_fn+0x272/0x920
[  461.483004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.487275]  ? process_timeout+0x40/0x40
[  461.491376]  ? mark_held_locks+0xc7/0x130
[  461.495551]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.500072]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.504600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.508884]  ? lockdep_hardirqs_on+0x296/0x5b0
[  461.513510]  ? trace_hardirqs_on+0xbd/0x310
[  461.517875]  ? kasan_check_read+0x11/0x20
[  461.522055]  ? __run_timers+0x7da/0xc70
[  461.526066]  ? trace_hardirqs_off_caller+0x310/0x310
[  461.531217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.535484]  __run_timers+0x7e5/0xc70
[  461.539322]  ? timer_fixup_init+0x70/0x70
[  461.543494]  ? lock_downgrade+0x900/0x900
[  461.547663]  ? zap_class+0x640/0x640
[  461.551476]  ? print_usage_bug+0xc0/0xc0
[  461.555563]  ? trace_hardirqs_on+0x310/0x310
[  461.560034]  ? kvm_clock_read+0x18/0x30
[  461.564046]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  461.569086]  ? ktime_get+0x2c1/0x400
[  461.572832]  ? zap_class+0x640/0x640
[  461.576601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.582179]  ? check_preemption_disabled+0x48/0x280
[  461.587251]  ? __lock_is_held+0xb5/0x140
[  461.591340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.596903]  ? check_preemption_disabled+0x48/0x280
[  461.601948]  run_timer_softirq+0x52/0xb0
[  461.606062]  ? rcu_read_lock_sched_held+0x14f/0x180
[  461.611105]  __do_softirq+0x308/0xb7e
[  461.614954]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  461.620183]  ? irq_exit+0xbd/0x1c0
[  461.623747]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  461.628787]  ? smp_call_function_single_interrupt+0x650/0x650
[  461.634713]  ? ret_from_intr+0xb/0x1e
[  461.638546]  ? trace_hardirqs_off_caller+0xbb/0x310
[  461.643612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.648482]  ? trace_hardirqs_on_caller+0x310/0x310
[  461.653605]  ? task_prio+0x50/0x50
[  461.657173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.662836]  ? check_preemption_disabled+0x48/0x280
[  461.667884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.672752]  ? neigh_periodic_work+0x6bd/0xc60
[  461.677363]  do_softirq_own_stack+0x2a/0x40
[  461.681698]  </IRQ>
[  461.683954]  do_softirq.part.14+0x126/0x160
[  461.688328]  __local_bh_enable_ip+0x21d/0x260
[  461.692854]  _raw_write_unlock_bh+0x30/0x40
[  461.697199]  neigh_periodic_work+0x6bd/0xc60
[  461.701646]  ? neigh_table_clear+0x390/0x390
[  461.706093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.711670]  ? check_preemption_disabled+0x48/0x280
[  461.716735]  ? __lock_is_held+0xb5/0x140
[  461.720847]  process_one_work+0xc90/0x1c40
[  461.725248]  ? mark_held_locks+0x130/0x130
[  461.729534]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  461.734359]  ? __switch_to_asm+0x40/0x70
[  461.738450]  ? __switch_to_asm+0x40/0x70
[  461.742536]  ? __switch_to_asm+0x34/0x70
[  461.746635]  ? __switch_to_asm+0x40/0x70
[  461.750858]  ? __switch_to_asm+0x34/0x70
[  461.754957]  ? __switch_to_asm+0x40/0x70
[  461.759065]  ? __switch_to_asm+0x34/0x70
[  461.763218]  ? __switch_to_asm+0x40/0x70
[  461.767389]  ? __schedule+0x8d7/0x21d0
[  461.771323]  ? trace_hardirqs_off_caller+0xbb/0x310
[  461.776407]  ? lock_downgrade+0x900/0x900
[  461.780610]  ? zap_class+0x640/0x640
[  461.784361]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.789260]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  461.793903]  ? lock_acquire+0x1ed/0x520
[  461.797915]  ? worker_thread+0x3e0/0x1390
[  461.802124]  ? kasan_check_read+0x11/0x20
[  461.806304]  ? do_raw_spin_lock+0x14f/0x350
[  461.810655]  ? kasan_check_read+0x11/0x20
[  461.814838]  ? rwlock_bug.part.2+0x90/0x90
[  461.819100]  ? trace_hardirqs_on+0x310/0x310
[  461.823557]  worker_thread+0x17f/0x1390
[  461.827671]  ? __switch_to_asm+0x34/0x70
[  461.831800]  ? process_one_work+0x1c40/0x1c40
[  461.836350]  ? zap_class+0x640/0x640
[  461.840106]  ? find_held_lock+0x36/0x1c0
[  461.844245]  ? __kthread_parkme+0xce/0x1a0
[  461.848523]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  461.853664]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  461.858805]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  461.863425]  ? trace_hardirqs_on+0xbd/0x310
[  461.867849]  ? kasan_check_read+0x11/0x20
[  461.872046]  ? __kthread_parkme+0xce/0x1a0
[  461.876442]  ? trace_hardirqs_off_caller+0x310/0x310
[  461.881569]  ? trace_hardirqs_off_caller+0x310/0x310
[  461.886713]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  461.891840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.897405]  ? __kthread_parkme+0xfb/0x1a0
[  461.901758]  ? process_one_work+0x1c40/0x1c40
[  461.906379]  kthread+0x35a/0x440
[  461.909789]  ? kthread_stop+0x900/0x900
[  461.913799]  ret_from_fork+0x3a/0x50
[  461.917701] warn_alloc_show_mem: 1 callbacks suppressed
[  461.917714] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  461.917716] Mem-Info:
[  461.917748] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  461.917748]  active_file:16 inactive_file:3 isolated_file:0
[  461.917748]  unevictable:0 dirty:0 writeback:0 unstable:0
[  461.917748]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  461.917748]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  461.917748]  free:13690 free_pcp:879 free_cma:0
[  461.923114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  461.923124] Call Trace:
[  461.930517] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  461.932937]  <IRQ>
[  461.965934] 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
[  461.975366]  dump_stack+0x244/0x39d
[  461.977945] lowmem_reserve[]: 0 2818 6321 6321
[  462.005872]  ? dump_stack_print_info.cold.1+0x20/0x20
[  462.008053] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  462.035013]  warn_alloc.cold.116+0xb7/0x1bd
[  462.038632] lowmem_reserve[]: 0 0 3503 3503
[  462.043271]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  462.048462] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  462.076220]  ? lock_downgrade+0x900/0x900
[  462.080541] lowmem_reserve[]: 0 0 0 0
[  462.084908]  ? trace_hardirqs_off+0xb8/0x310
[  462.089761] 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
[  462.119139]  ? trace_hardirqs_off+0xb8/0x310
[  462.123285] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  462.127134]  __alloc_pages_slowpath+0x26e8/0x2e10
[  462.131533] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  462.145201]  ? warn_alloc+0x120/0x120
[  462.149612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  462.165052]  ? warn_alloc+0x120/0x120
[  462.169898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  462.169909] 4380 total pagecache pages
[  462.184013]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  462.187824] 0 pages in swap cache
[  462.196832]  ? warn_alloc+0x120/0x120
[  462.200800] Swap cache stats: add 0, delete 0, find 0/0
[  462.209425]  ? print_usage_bug+0xc0/0xc0
[  462.213309] Free swap  = 0kB
[  462.218337]  ? print_usage_bug+0xc0/0xc0
[  462.221785] Total swap = 0kB
[  462.221794] 1965979 pages RAM
[  462.225685]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  462.231090] 0 pages HighMem/MovableOnly
[  462.231099] 342854 pages reserved
[  462.235191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.238188] 0 pages cma reserved
[  462.238283] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  462.242277]  ? should_fail+0x22d/0xd01
[  462.245479] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  462.248534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.253719] kworker/0:2 cpuset=/ mems_allowed=0
[  462.257747]  ? __lock_acquire+0x62f/0x4c20
[  462.305428]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.310553]  ? should_fail+0x22d/0xd01
[  462.314474]  ? mark_held_locks+0x130/0x130
[  462.318858]  ? mark_held_locks+0x130/0x130
[  462.323113]  ? print_usage_bug+0xc0/0xc0
[  462.327212]  ? find_held_lock+0x36/0x1c0
[  462.331296]  ? zap_class+0x640/0x640
[  462.335049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.340608]  ? check_preemption_disabled+0x48/0x280
[  462.345652]  ? __lock_is_held+0xb5/0x140
[  462.349749]  __alloc_pages_nodemask+0xa80/0xde0
[  462.354440]  ? zap_class+0x640/0x640
[  462.358177]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  462.363223]  ? find_held_lock+0x36/0x1c0
[  462.367314]  ? ____cache_alloc_node+0x1c7/0x1e0
[  462.372028]  ? lock_downgrade+0x900/0x900
[  462.376203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.381782]  cache_grow_begin+0xa5/0x8c0
[  462.385876]  ? do_raw_spin_unlock+0xa7/0x330
[  462.390318]  fallback_alloc+0x204/0x2e0
[  462.394320]  ____cache_alloc_node+0x1c7/0x1e0
[  462.398968]  kmem_cache_alloc_node+0xe3/0x730
[  462.403514]  ? mark_held_locks+0xc7/0x130
[  462.407691]  __alloc_skb+0x119/0x770
[  462.411429]  ? netdev_alloc_frag+0x1f0/0x1f0
[  462.415857]  ? do_raw_spin_trylock+0x270/0x270
[  462.420531]  ? kmem_cache_alloc_trace+0x353/0x750
[  462.425402]  ? queue_work_on+0x12c/0x1e0
[  462.429493]  ? switchdev_port_obj_del+0xdc/0x440
[  462.434268]  ? switchdev_trans_item_enqueue+0x260/0x260
[  462.439663]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  462.444746]  __br_mdb_notify+0x4ff/0x15d0
[  462.448915]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  462.454133]  ? __br_mdb_add+0x7f0/0x7f0
[  462.458134]  ? mark_held_locks+0x130/0x130
[  462.462409]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  462.467607]  ? debug_object_assert_init+0x368/0x4b0
[  462.472646]  ? debug_object_init_on_stack+0x20/0x20
[  462.477682]  ? zap_class+0x640/0x640
[  462.481421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.487015]  br_mdb_notify+0x310/0x410
[  462.490927]  ? br_mdb_dump+0x27b0/0x27b0
[  462.495057]  br_multicast_del_pg+0x3df/0x790
[  462.499503]  ? br_mdb_ip_get+0x940/0x940
[  462.503589]  ? rwlock_bug.part.2+0x90/0x90
[  462.508050]  ? __lock_is_held+0xb5/0x140
[  462.512148]  br_multicast_port_group_expired+0x189/0x1e0
[  462.517628]  call_timer_fn+0x272/0x920
[  462.521575]  ? br_multicast_del_pg+0x790/0x790
[  462.526185]  ? process_timeout+0x40/0x40
[  462.530293]  ? __run_timers+0x7da/0xc70
[  462.534300]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.538817]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.543332]  ? br_multicast_del_pg+0x790/0x790
[  462.547938]  ? lockdep_hardirqs_on+0x296/0x5b0
[  462.552708]  ? trace_hardirqs_on+0xbd/0x310
[  462.557057]  ? kasan_check_read+0x11/0x20
[  462.561224]  ? __run_timers+0x7da/0xc70
[  462.565223]  ? trace_hardirqs_off_caller+0x310/0x310
[  462.570369]  ? br_multicast_del_pg+0x790/0x790
[  462.575010]  ? br_multicast_del_pg+0x790/0x790
[  462.579615]  __run_timers+0x7e5/0xc70
[  462.583461]  ? timer_fixup_init+0x70/0x70
[  462.587647]  ? lock_acquire+0x1ed/0x520
[  462.591655]  ? zap_class+0x640/0x640
[  462.595391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.601013]  ? kasan_check_read+0x11/0x20
[  462.605193]  ? do_raw_spin_lock+0x14f/0x350
[  462.609679]  ? find_held_lock+0x36/0x1c0
[  462.613861]  ? zap_class+0x640/0x640
[  462.617603]  ? pvclock_read_flags+0x160/0x160
[  462.622129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.627719]  ? check_preemption_disabled+0x48/0x280
[  462.632783]  ? __lock_is_held+0xb5/0x140
[  462.636870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.642504]  ? check_preemption_disabled+0x48/0x280
[  462.647575]  run_timer_softirq+0x52/0xb0
[  462.651657]  ? rcu_read_lock_sched_held+0x14f/0x180
[  462.656699]  __do_softirq+0x308/0xb7e
[  462.660523]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  462.665042]  ? lock_downgrade+0x900/0x900
[  462.669214]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  462.674349]  ? pvclock_read_flags+0x160/0x160
[  462.678867]  ? lapic_next_event+0x5a/0x90
[  462.683048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.688609]  ? kvm_clock_read+0x18/0x30
[  462.692599]  ? kvm_sched_clock_read+0x9/0x20
[  462.697045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.702605]  ? check_preemption_disabled+0x48/0x280
[  462.707724]  irq_exit+0x17f/0x1c0
[  462.711210]  smp_apic_timer_interrupt+0x1cb/0x760
[  462.716073]  ? smp_reschedule_interrupt+0x109/0x650
[  462.721114]  ? smp_call_function_single_interrupt+0x650/0x650
[  462.727043]  ? interrupt_entry+0xb5/0xc0
[  462.731130]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.736252]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.741364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.746364]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.751398]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.756437]  ? task_prio+0x50/0x50
[  462.760026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.765587]  ? check_preemption_disabled+0x48/0x280
[  462.770629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.775506]  apic_timer_interrupt+0xf/0x20
[  462.779762]  </IRQ>
[  462.782107] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  462.787132] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  462.806235] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  462.814006] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  462.821321] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  462.828612] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  462.835897] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  462.843181] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  462.850519]  skb_clone+0x1bb/0x500
[  462.854087]  ? finish_task_switch+0x1b4/0x910
[  462.858823]  ? skb_split+0x11e0/0x11e0
[  462.862744]  ? preempt_notifier_register+0x200/0x200
[  462.867882]  ? __switch_to_asm+0x34/0x70
[  462.871963]  ? __switch_to_asm+0x34/0x70
[  462.876074]  ? __switch_to_asm+0x40/0x70
[  462.880149]  ? __switch_to_asm+0x34/0x70
[  462.884226]  ? __switch_to_asm+0x40/0x70
[  462.888305]  ? __switch_to_asm+0x34/0x70
[  462.892381]  ? __switch_to_asm+0x40/0x70
[  462.896458]  ? __switch_to_asm+0x34/0x70
[  462.900545]  ? __switch_to_asm+0x34/0x70
[  462.904945]  ? __switch_to_asm+0x40/0x70
[  462.909156]  ? __switch_to_asm+0x34/0x70
[  462.913247]  bpf_clone_redirect+0xb9/0x490
[  462.917518]  ? __schedule+0x8d7/0x21d0
[  462.921429]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  462.926468]  ? __sched_text_start+0x8/0x8
[  462.930641]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  462.935432]  ? retint_kernel+0x2d/0x2d
[  462.939340]  ? trace_hardirqs_on_caller+0xc0/0x310
[  462.944294]  ? find_held_lock+0x36/0x1c0
[  462.948381]  ? lock_acquire+0x1ed/0x520
[  462.952377]  ? bpf_test_run+0x3cb/0x780
[  462.956370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.961928]  ? check_preemption_disabled+0x48/0x280
[  462.966999]  ? kasan_check_read+0x11/0x20
[  462.971173]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.976466]  ? rcu_softirq_qs+0x20/0x20
[  462.980459]  ? preempt_schedule+0x4d/0x60
[  462.984623]  ? ___preempt_schedule+0x16/0x18
[  462.989058]  ? bpf_test_run+0x25d/0x780
[  462.993066]  ? netlink_diag_dump+0x2a0/0x2a0
[  462.997495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.003189]  ? bpf_test_init.isra.10+0x70/0x100
[  463.008022]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  463.012878]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  463.017744]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  463.023743]  ? fput+0x130/0x1a0
[  463.027044]  ? __bpf_prog_get+0x9b/0x290
[  463.031130]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  463.036015]  ? bpf_prog_test_run+0x130/0x1a0
[  463.040455]  ? __x64_sys_bpf+0x3d8/0x520
[  463.044601]  ? bpf_prog_get+0x20/0x20
[  463.048469]  ? do_syscall_64+0x1b9/0x820
[  463.052615]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  463.058024]  ? syscall_return_slowpath+0x5e0/0x5e0
[  463.062999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.067868]  ? trace_hardirqs_on_caller+0x310/0x310
[  463.072905]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  463.078036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.083592]  ? prepare_exit_to_usermode+0x291/0x3b0
[  463.088632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.093504]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  463.099054] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  463.099241] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  463.106188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  463.106213] Workqueue: events_power_efficient neigh_periodic_work
[  463.116847] syz-executor1 cpuset=syz1 mems_allowed=0
[  463.126214] Call Trace:
[  463.140177]  <IRQ>
[  463.142355]  dump_stack+0x244/0x39d
[  463.146031]  ? dump_stack_print_info.cold.1+0x20/0x20
[  463.151267]  warn_alloc.cold.116+0xb7/0x1bd
[  463.155630]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  463.160500]  ? lock_downgrade+0x900/0x900
[  463.164676]  ? trace_hardirqs_off+0xb8/0x310
[  463.169110]  ? trace_hardirqs_off+0xb8/0x310
[  463.173544]  __alloc_pages_slowpath+0x26e8/0x2e10
[  463.178436]  ? warn_alloc+0x120/0x120
[  463.182262]  ? print_usage_bug+0xc0/0xc0
[  463.186341]  ? warn_alloc+0x120/0x120
[  463.190174]  ? warn_alloc+0x120/0x120
[  463.194018]  ? print_usage_bug+0xc0/0xc0
[  463.198135]  ? print_usage_bug+0xc0/0xc0
[  463.202395]  ? __lock_acquire+0x62f/0x4c20
[  463.206698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.212260]  ? should_fail+0x22d/0xd01
[  463.216247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.221374]  ? __lock_acquire+0x62f/0x4c20
[  463.225632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.230752]  ? __lock_acquire+0x62f/0x4c20
[  463.235028]  ? should_fail+0x22d/0xd01
[  463.238936]  ? find_held_lock+0x36/0x1c0
[  463.243049]  ? mark_held_locks+0x130/0x130
[  463.247310]  ? mark_held_locks+0x130/0x130
[  463.251647]  ? zap_class+0x640/0x640
[  463.255390]  ? zap_class+0x640/0x640
[  463.259123]  ? print_usage_bug+0xc0/0xc0
[  463.263202]  ? do_raw_spin_unlock+0xa7/0x330
[  463.267632]  ? zap_class+0x640/0x640
[  463.271365]  ? print_usage_bug+0xc0/0xc0
[  463.275442]  ? wq_watchdog_touch+0x9c/0xfe
[  463.279762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.285325]  ? check_preemption_disabled+0x48/0x280
[  463.290371]  ? __lock_is_held+0xb5/0x140
[  463.294459]  __alloc_pages_nodemask+0xa80/0xde0
[  463.299152]  ? zap_class+0x640/0x640
[  463.302891]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  463.308031]  ? find_held_lock+0x36/0x1c0
[  463.312122]  ? ____cache_alloc_node+0x1c7/0x1e0
[  463.316810]  ? lock_downgrade+0x900/0x900
[  463.321179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.326769]  cache_grow_begin+0xa5/0x8c0
[  463.330850]  ? do_raw_spin_unlock+0xa7/0x330
[  463.335285]  fallback_alloc+0x204/0x2e0
[  463.339348]  ____cache_alloc_node+0x1c7/0x1e0
[  463.343868]  kmem_cache_alloc_node+0xe3/0x730
[  463.348382]  ? ipv6_get_ifaddr+0x42e/0x620
[  463.352644]  __alloc_skb+0x119/0x770
[  463.356374]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.361735]  ? netdev_alloc_frag+0x1f0/0x1f0
[  463.366162]  ? lock_downgrade+0x900/0x900
[  463.370423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.376005]  ? refcount_sub_and_test_checked+0x203/0x310
[  463.381493]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  463.386960]  ? addrconf_rs_timer+0x690/0x690
[  463.391499]  ndisc_alloc_skb+0x144/0x340
[  463.395588]  ndisc_send_rs+0x331/0x6e0
[  463.399523]  addrconf_rs_timer+0x314/0x690
[  463.403781]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.408059]  call_timer_fn+0x272/0x920
[  463.411963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.416252]  ? process_timeout+0x40/0x40
[  463.420342]  ? mark_held_locks+0xc7/0x130
[  463.424508]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.429038]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.433552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.437806]  ? lockdep_hardirqs_on+0x296/0x5b0
[  463.442412]  ? trace_hardirqs_on+0xbd/0x310
[  463.446754]  ? kasan_check_read+0x11/0x20
[  463.450922]  ? __run_timers+0x7da/0xc70
[  463.454914]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.460047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.464307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.468556]  __run_timers+0x7e5/0xc70
[  463.472388]  ? timer_fixup_init+0x70/0x70
[  463.476556]  ? lock_downgrade+0x900/0x900
[  463.480784]  ? zap_class+0x640/0x640
[  463.484595]  ? print_usage_bug+0xc0/0xc0
[  463.488733]  ? trace_hardirqs_on+0x310/0x310
[  463.493240]  ? kvm_clock_read+0x18/0x30
[  463.497306]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  463.502420]  ? ktime_get+0x2c1/0x400
[  463.506156]  ? zap_class+0x640/0x640
[  463.510048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.515620]  ? check_preemption_disabled+0x48/0x280
[  463.520799]  ? __lock_is_held+0xb5/0x140
[  463.524879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.530499]  ? check_preemption_disabled+0x48/0x280
[  463.535540]  run_timer_softirq+0x52/0xb0
[  463.539706]  ? rcu_read_lock_sched_held+0x14f/0x180
[  463.544808]  __do_softirq+0x308/0xb7e
[  463.548724]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  463.553842]  ? irq_exit+0xbd/0x1c0
[  463.557399]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  463.562433]  ? smp_call_function_single_interrupt+0x650/0x650
[  463.568331]  ? ret_from_intr+0xb/0x1e
[  463.572150]  ? trace_hardirqs_off_caller+0xbb/0x310
[  463.577189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.582055]  ? trace_hardirqs_on_caller+0x310/0x310
[  463.587091]  ? task_prio+0x50/0x50
[  463.590650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.596209]  ? check_preemption_disabled+0x48/0x280
[  463.601259]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.606131]  ? neigh_periodic_work+0x6bd/0xc60
[  463.610732]  do_softirq_own_stack+0x2a/0x40
[  463.615065]  </IRQ>
[  463.617470]  do_softirq.part.14+0x126/0x160
[  463.621809]  __local_bh_enable_ip+0x21d/0x260
[  463.626323]  _raw_write_unlock_bh+0x30/0x40
[  463.630665]  neigh_periodic_work+0x6bd/0xc60
[  463.635105]  ? neigh_table_clear+0x390/0x390
[  463.639535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.645158]  ? check_preemption_disabled+0x48/0x280
[  463.650208]  ? __lock_is_held+0xb5/0x140
[  463.654323]  process_one_work+0xc90/0x1c40
[  463.658663]  ? mark_held_locks+0x130/0x130
[  463.662928]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  463.667612]  ? __switch_to_asm+0x40/0x70
[  463.671756]  ? __switch_to_asm+0x40/0x70
[  463.675834]  ? __switch_to_asm+0x34/0x70
[  463.679909]  ? __switch_to_asm+0x40/0x70
[  463.684012]  ? __switch_to_asm+0x34/0x70
[  463.688091]  ? __switch_to_asm+0x40/0x70
[  463.692167]  ? __switch_to_asm+0x34/0x70
[  463.696255]  ? __switch_to_asm+0x40/0x70
[  463.700343]  ? __schedule+0x8d7/0x21d0
[  463.704332]  ? trace_hardirqs_off_caller+0xbb/0x310
[  463.709450]  ? lock_downgrade+0x900/0x900
[  463.713637]  ? zap_class+0x640/0x640
[  463.717404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.722280]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  463.726895]  ? lock_acquire+0x1ed/0x520
[  463.730884]  ? worker_thread+0x3e0/0x1390
[  463.735065]  ? kasan_check_read+0x11/0x20
[  463.739231]  ? do_raw_spin_lock+0x14f/0x350
[  463.743578]  ? kasan_check_read+0x11/0x20
[  463.747743]  ? rwlock_bug.part.2+0x90/0x90
[  463.752020]  ? trace_hardirqs_on+0x310/0x310
[  463.756462]  worker_thread+0x17f/0x1390
[  463.760450]  ? __switch_to_asm+0x34/0x70
[  463.764542]  ? process_one_work+0x1c40/0x1c40
[  463.769068]  ? zap_class+0x640/0x640
[  463.772799]  ? find_held_lock+0x36/0x1c0
[  463.776998]  ? __kthread_parkme+0xce/0x1a0
[  463.781263]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  463.786402]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  463.791523]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  463.796124]  ? trace_hardirqs_on+0xbd/0x310
[  463.800475]  ? kasan_check_read+0x11/0x20
[  463.804645]  ? __kthread_parkme+0xce/0x1a0
[  463.808900]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.814039]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.819166]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  463.824287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.829840]  ? __kthread_parkme+0xfb/0x1a0
[  463.834129]  ? process_one_work+0x1c40/0x1c40
[  463.838636]  kthread+0x35a/0x440
[  463.842021]  ? kthread_stop+0x900/0x900
[  463.846016]  ret_from_fork+0x3a/0x50
[  463.849751] warn_alloc_show_mem: 1 callbacks suppressed
[  463.849763] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  463.849765] Mem-Info:
[  463.849797] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  463.849797]  active_file:16 inactive_file:3 isolated_file:0
[  463.849797]  unevictable:0 dirty:0 writeback:0 unstable:0
[  463.849797]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  463.849797]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  463.849797]  free:13690 free_pcp:879 free_cma:0
[  463.855143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  463.855153] Call Trace:
[  463.862526] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  463.864931]  <IRQ>
[  463.897887] 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
[  463.907264]  dump_stack+0x244/0x39d
[  463.909827] lowmem_reserve[]: 0 2818 6321 6321
[  463.937725]  ? dump_stack_print_info.cold.1+0x20/0x20
[  463.939851] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  463.966017]  warn_alloc.cold.116+0xb7/0x1bd
[  463.969620] lowmem_reserve[]: 0 0 3503 3503
[  463.974208]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  463.979381] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  464.007009]  ? lock_downgrade+0x900/0x900
[  464.011693] lowmem_reserve[]: 0 0 0 0
[  464.016056]  ? trace_hardirqs_off+0xb8/0x310
[  464.020870] 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
[  464.050216]  ? trace_hardirqs_off+0xb8/0x310
[  464.054343] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  464.058857]  __alloc_pages_slowpath+0x26e8/0x2e10
[  464.063242] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  464.076812]  ? warn_alloc+0x120/0x120
[  464.081184] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  464.096454]  ? warn_alloc+0x120/0x120
[  464.101285] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  464.115250]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  464.119041] 4380 total pagecache pages
[  464.127875]  ? warn_alloc+0x120/0x120
[  464.131660] 0 pages in swap cache
[  464.140252]  ? print_usage_bug+0xc0/0xc0
[  464.145262] Swap cache stats: add 0, delete 0, find 0/0
[  464.149146]  ? print_usage_bug+0xc0/0xc0
[  464.152923] Free swap  = 0kB
[  464.156373]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  464.160407] Total swap = 0kB
[  464.160416] 1965979 pages RAM
[  464.165793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.169818] 0 pages HighMem/MovableOnly
[  464.169828] 342854 pages reserved
[  464.172852]  ? should_fail+0x22d/0xd01
[  464.178017] 0 pages cma reserved
[  464.181038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  464.184197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  464.189659]  ? __lock_acquire+0x62f/0x4c20
[  464.189678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  464.189695]  ? should_fail+0x22d/0xd01
[  464.193722] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  464.197116]  ? mark_held_locks+0x130/0x130
[  464.201006] kworker/0:2 cpuset=/ mems_allowed=0
[  464.204376]  ? mark_held_locks+0x130/0x130
[  464.252580]  ? print_usage_bug+0xc0/0xc0
[  464.256661]  ? find_held_lock+0x36/0x1c0
[  464.260729]  ? zap_class+0x640/0x640
[  464.264464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.270042]  ? check_preemption_disabled+0x48/0x280
[  464.275109]  ? __lock_is_held+0xb5/0x140
[  464.279185]  __alloc_pages_nodemask+0xa80/0xde0
[  464.283872]  ? zap_class+0x640/0x640
[  464.287596]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  464.292634]  ? find_held_lock+0x36/0x1c0
[  464.296715]  ? ____cache_alloc_node+0x1c7/0x1e0
[  464.301418]  ? lock_downgrade+0x900/0x900
[  464.305587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.311141]  cache_grow_begin+0xa5/0x8c0
[  464.315215]  ? do_raw_spin_unlock+0xa7/0x330
[  464.319643]  fallback_alloc+0x204/0x2e0
[  464.323839]  ____cache_alloc_node+0x1c7/0x1e0
[  464.328349]  kmem_cache_alloc_node+0xe3/0x730
[  464.332860]  ? mark_held_locks+0xc7/0x130
[  464.337040]  __alloc_skb+0x119/0x770
[  464.340777]  ? netdev_alloc_frag+0x1f0/0x1f0
[  464.345195]  ? do_raw_spin_trylock+0x270/0x270
[  464.349816]  ? kmem_cache_alloc_trace+0x353/0x750
[  464.354671]  ? queue_work_on+0x12c/0x1e0
[  464.358752]  ? switchdev_port_obj_del+0xdc/0x440
[  464.363516]  ? switchdev_trans_item_enqueue+0x260/0x260
[  464.368888]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  464.373926]  __br_mdb_notify+0x4ff/0x15d0
[  464.378109]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  464.383229]  ? __br_mdb_add+0x7f0/0x7f0
[  464.387229]  ? mark_held_locks+0x130/0x130
[  464.391476]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  464.396586]  ? debug_object_assert_init+0x368/0x4b0
[  464.401608]  ? debug_object_init_on_stack+0x20/0x20
[  464.406629]  ? zap_class+0x640/0x640
[  464.410353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.415915]  br_mdb_notify+0x310/0x410
[  464.419812]  ? br_mdb_dump+0x27b0/0x27b0
[  464.423894]  br_multicast_del_pg+0x3df/0x790
[  464.428312]  ? br_mdb_ip_get+0x940/0x940
[  464.432379]  ? rwlock_bug.part.2+0x90/0x90
[  464.436625]  ? __lock_is_held+0xb5/0x140
[  464.440717]  br_multicast_port_group_expired+0x189/0x1e0
[  464.446180]  call_timer_fn+0x272/0x920
[  464.450072]  ? br_multicast_del_pg+0x790/0x790
[  464.454657]  ? process_timeout+0x40/0x40
[  464.458731]  ? __run_timers+0x7da/0xc70
[  464.462757]  ? _raw_spin_unlock_irq+0x27/0x80
[  464.467254]  ? _raw_spin_unlock_irq+0x27/0x80
[  464.471761]  ? br_multicast_del_pg+0x790/0x790
[  464.476352]  ? lockdep_hardirqs_on+0x296/0x5b0
[  464.480940]  ? trace_hardirqs_on+0xbd/0x310
[  464.485272]  ? kasan_check_read+0x11/0x20
[  464.489422]  ? __run_timers+0x7da/0xc70
[  464.493408]  ? trace_hardirqs_off_caller+0x310/0x310
[  464.498525]  ? br_multicast_del_pg+0x790/0x790
[  464.503118]  ? br_multicast_del_pg+0x790/0x790
[  464.507710]  __run_timers+0x7e5/0xc70
[  464.511547]  ? timer_fixup_init+0x70/0x70
[  464.515705]  ? lock_acquire+0x1ed/0x520
[  464.519795]  ? zap_class+0x640/0x640
[  464.523522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.529072]  ? kasan_check_read+0x11/0x20
[  464.533224]  ? do_raw_spin_lock+0x14f/0x350
[  464.537594]  ? find_held_lock+0x36/0x1c0
[  464.541690]  ? zap_class+0x640/0x640
[  464.545445]  ? pvclock_read_flags+0x160/0x160
[  464.549950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.555507]  ? check_preemption_disabled+0x48/0x280
[  464.560558]  ? __lock_is_held+0xb5/0x140
[  464.564627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.570176]  ? check_preemption_disabled+0x48/0x280
[  464.575205]  run_timer_softirq+0x52/0xb0
[  464.579273]  ? rcu_read_lock_sched_held+0x14f/0x180
[  464.584298]  __do_softirq+0x308/0xb7e
[  464.588109]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  464.592607]  ? lock_downgrade+0x900/0x900
[  464.596781]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  464.601925]  ? pvclock_read_flags+0x160/0x160
[  464.606428]  ? lapic_next_event+0x5a/0x90
[  464.610588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.616140]  ? kvm_clock_read+0x18/0x30
[  464.620148]  ? kvm_sched_clock_read+0x9/0x20
[  464.624564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.630122]  ? check_preemption_disabled+0x48/0x280
[  464.635165]  irq_exit+0x17f/0x1c0
[  464.638629]  smp_apic_timer_interrupt+0x1cb/0x760
[  464.643473]  ? smp_reschedule_interrupt+0x109/0x650
[  464.648492]  ? smp_call_function_single_interrupt+0x650/0x650
[  464.654380]  ? interrupt_entry+0xb5/0xc0
[  464.658451]  ? trace_hardirqs_off_caller+0xbb/0x310
[  464.663483]  ? trace_hardirqs_off_caller+0xbb/0x310
[  464.668520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.673391]  ? trace_hardirqs_on_caller+0x310/0x310
[  464.678423]  ? trace_hardirqs_on_caller+0x310/0x310
[  464.683454]  ? task_prio+0x50/0x50
[  464.687026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.692588]  ? check_preemption_disabled+0x48/0x280
[  464.697617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.702475]  apic_timer_interrupt+0xf/0x20
[  464.706709]  </IRQ>
[  464.708954] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  464.713936] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  464.732868] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  464.740580] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  464.747864] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  464.755142] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  464.762455] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  464.769797] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  464.777142]  skb_clone+0x1bb/0x500
[  464.780717]  ? finish_task_switch+0x1b4/0x910
[  464.785223]  ? skb_split+0x11e0/0x11e0
[  464.789119]  ? preempt_notifier_register+0x200/0x200
[  464.794241]  ? __switch_to_asm+0x34/0x70
[  464.798316]  ? __switch_to_asm+0x34/0x70
[  464.802388]  ? __switch_to_asm+0x40/0x70
[  464.806447]  ? __switch_to_asm+0x34/0x70
[  464.810506]  ? __switch_to_asm+0x40/0x70
[  464.814565]  ? __switch_to_asm+0x34/0x70
[  464.818634]  ? __switch_to_asm+0x40/0x70
[  464.822693]  ? __switch_to_asm+0x34/0x70
[  464.826764]  ? __switch_to_asm+0x34/0x70
[  464.830839]  ? __switch_to_asm+0x40/0x70
[  464.834903]  ? __switch_to_asm+0x34/0x70
[  464.838983]  bpf_clone_redirect+0xb9/0x490
[  464.843227]  ? __schedule+0x8d7/0x21d0
[  464.847123]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  464.852149]  ? __sched_text_start+0x8/0x8
[  464.856309]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  464.860896]  ? retint_kernel+0x2d/0x2d
[  464.864792]  ? trace_hardirqs_on_caller+0xc0/0x310
[  464.869727]  ? find_held_lock+0x36/0x1c0
[  464.873814]  ? lock_acquire+0x1ed/0x520
[  464.877803]  ? bpf_test_run+0x3cb/0x780
[  464.881784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.887340]  ? check_preemption_disabled+0x48/0x280
[  464.892368]  ? kasan_check_read+0x11/0x20
[  464.896521]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.902007]  ? rcu_softirq_qs+0x20/0x20
[  464.905985]  ? preempt_schedule+0x4d/0x60
[  464.910153]  ? ___preempt_schedule+0x16/0x18
[  464.914593]  ? bpf_test_run+0x25d/0x780
[  464.918586]  ? netlink_diag_dump+0x2a0/0x2a0
[  464.923011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.928556]  ? bpf_test_init.isra.10+0x70/0x100
[  464.933236]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  464.938012]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  464.942864]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  464.948409]  ? fput+0x130/0x1a0
[  464.951693]  ? __bpf_prog_get+0x9b/0x290
[  464.955769]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  464.960614]  ? bpf_prog_test_run+0x130/0x1a0
[  464.965032]  ? __x64_sys_bpf+0x3d8/0x520
[  464.969100]  ? bpf_prog_get+0x20/0x20
[  464.972961]  ? do_syscall_64+0x1b9/0x820
[  464.977059]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  464.982430]  ? syscall_return_slowpath+0x5e0/0x5e0
[  464.987364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.992214]  ? trace_hardirqs_on_caller+0x310/0x310
[  464.997240]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  465.002262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.007810]  ? prepare_exit_to_usermode+0x291/0x3b0
[  465.013285]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.018142]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  465.023528] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  465.023746] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  465.030652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  465.041138] syz-executor1 cpuset=syz1 mems_allowed=0
[  465.050506] Workqueue: events_power_efficient neigh_periodic_work
[  465.062694] Call Trace:
[  465.065272]  <IRQ>
[  465.067448]  dump_stack+0x244/0x39d
[  465.071085]  ? dump_stack_print_info.cold.1+0x20/0x20
[  465.076292]  warn_alloc.cold.116+0xb7/0x1bd
[  465.080618]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  465.085471]  ? lock_downgrade+0x900/0x900
[  465.089642]  ? trace_hardirqs_off+0xb8/0x310
[  465.094097]  ? trace_hardirqs_off+0xb8/0x310
[  465.098512]  __alloc_pages_slowpath+0x26e8/0x2e10
[  465.103388]  ? warn_alloc+0x120/0x120
[  465.107194]  ? print_usage_bug+0xc0/0xc0
[  465.111261]  ? warn_alloc+0x120/0x120
[  465.115099]  ? warn_alloc+0x120/0x120
[  465.118926]  ? print_usage_bug+0xc0/0xc0
[  465.123025]  ? print_usage_bug+0xc0/0xc0
[  465.127091]  ? __lock_acquire+0x62f/0x4c20
[  465.131335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.136876]  ? should_fail+0x22d/0xd01
[  465.140790]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.145944]  ? __lock_acquire+0x62f/0x4c20
[  465.150205]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.155324]  ? __lock_acquire+0x62f/0x4c20
[  465.159557]  ? should_fail+0x22d/0xd01
[  465.163448]  ? find_held_lock+0x36/0x1c0
[  465.167520]  ? mark_held_locks+0x130/0x130
[  465.171761]  ? mark_held_locks+0x130/0x130
[  465.176003]  ? zap_class+0x640/0x640
[  465.179737]  ? zap_class+0x640/0x640
[  465.183457]  ? print_usage_bug+0xc0/0xc0
[  465.187518]  ? do_raw_spin_unlock+0xa7/0x330
[  465.191928]  ? zap_class+0x640/0x640
[  465.195645]  ? print_usage_bug+0xc0/0xc0
[  465.199713]  ? wq_watchdog_touch+0x9c/0xfe
[  465.203986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.209530]  ? check_preemption_disabled+0x48/0x280
[  465.214571]  ? __lock_is_held+0xb5/0x140
[  465.218642]  __alloc_pages_nodemask+0xa80/0xde0
[  465.223312]  ? zap_class+0x640/0x640
[  465.227032]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  465.232064]  ? find_held_lock+0x36/0x1c0
[  465.236158]  ? ____cache_alloc_node+0x1c7/0x1e0
[  465.240853]  ? lock_downgrade+0x900/0x900
[  465.245026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.250572]  cache_grow_begin+0xa5/0x8c0
[  465.254636]  ? do_raw_spin_unlock+0xa7/0x330
[  465.259081]  fallback_alloc+0x204/0x2e0
[  465.263066]  ____cache_alloc_node+0x1c7/0x1e0
[  465.267568]  kmem_cache_alloc_node+0xe3/0x730
[  465.272067]  ? ipv6_get_ifaddr+0x42e/0x620
[  465.276318]  __alloc_skb+0x119/0x770
[  465.280052]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  465.285363]  ? netdev_alloc_frag+0x1f0/0x1f0
[  465.289880]  ? lock_downgrade+0x900/0x900
[  465.294055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.299602]  ? refcount_sub_and_test_checked+0x203/0x310
[  465.305068]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  465.310525]  ? addrconf_rs_timer+0x690/0x690
[  465.315012]  ndisc_alloc_skb+0x144/0x340
[  465.319090]  ndisc_send_rs+0x331/0x6e0
[  465.323014]  addrconf_rs_timer+0x314/0x690
[  465.327265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.331520]  call_timer_fn+0x272/0x920
[  465.335427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.339679]  ? process_timeout+0x40/0x40
[  465.343780]  ? mark_held_locks+0xc7/0x130
[  465.347933]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.352434]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.356957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.361208]  ? lockdep_hardirqs_on+0x296/0x5b0
[  465.365804]  ? trace_hardirqs_on+0xbd/0x310
[  465.370135]  ? kasan_check_read+0x11/0x20
[  465.374287]  ? __run_timers+0x7da/0xc70
[  465.378315]  ? trace_hardirqs_off_caller+0x310/0x310
[  465.383454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.387704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.391957]  __run_timers+0x7e5/0xc70
[  465.395781]  ? timer_fixup_init+0x70/0x70
[  465.399935]  ? lock_downgrade+0x900/0x900
[  465.404089]  ? zap_class+0x640/0x640
[  465.407822]  ? print_usage_bug+0xc0/0xc0
[  465.411894]  ? trace_hardirqs_on+0x310/0x310
[  465.416342]  ? kvm_clock_read+0x18/0x30
[  465.420323]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  465.425345]  ? ktime_get+0x2c1/0x400
[  465.429072]  ? zap_class+0x640/0x640
[  465.432798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.438340]  ? check_preemption_disabled+0x48/0x280
[  465.443380]  ? __lock_is_held+0xb5/0x140
[  465.447445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.452996]  ? check_preemption_disabled+0x48/0x280
[  465.458022]  run_timer_softirq+0x52/0xb0
[  465.462089]  ? rcu_read_lock_sched_held+0x14f/0x180
[  465.467123]  __do_softirq+0x308/0xb7e
[  465.470936]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  465.476043]  ? irq_exit+0xbd/0x1c0
[  465.479586]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  465.484611]  ? smp_call_function_single_interrupt+0x650/0x650
[  465.490542]  ? ret_from_intr+0xb/0x1e
[  465.494349]  ? trace_hardirqs_off_caller+0xbb/0x310
[  465.499377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.504228]  ? trace_hardirqs_on_caller+0x310/0x310
[  465.509261]  ? task_prio+0x50/0x50
[  465.512808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.518373]  ? check_preemption_disabled+0x48/0x280
[  465.523412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.528270]  ? neigh_periodic_work+0x6bd/0xc60
[  465.532864]  do_softirq_own_stack+0x2a/0x40
[  465.537181]  </IRQ>
[  465.539435]  do_softirq.part.14+0x126/0x160
[  465.543762]  __local_bh_enable_ip+0x21d/0x260
[  465.548266]  _raw_write_unlock_bh+0x30/0x40
[  465.552595]  neigh_periodic_work+0x6bd/0xc60
[  465.557022]  ? neigh_table_clear+0x390/0x390
[  465.561458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.567014]  ? check_preemption_disabled+0x48/0x280
[  465.572049]  ? __lock_is_held+0xb5/0x140
[  465.576130]  process_one_work+0xc90/0x1c40
[  465.580369]  ? mark_held_locks+0x130/0x130
[  465.584622]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  465.589311]  ? __switch_to_asm+0x40/0x70
[  465.593387]  ? __switch_to_asm+0x40/0x70
[  465.597447]  ? __switch_to_asm+0x34/0x70
[  465.601521]  ? __switch_to_asm+0x40/0x70
[  465.605582]  ? __switch_to_asm+0x34/0x70
[  465.609647]  ? __switch_to_asm+0x40/0x70
[  465.613712]  ? __switch_to_asm+0x34/0x70
[  465.617786]  ? __switch_to_asm+0x40/0x70
[  465.621867]  ? __schedule+0x8d7/0x21d0
[  465.625759]  ? trace_hardirqs_off_caller+0xbb/0x310
[  465.630793]  ? lock_downgrade+0x900/0x900
[  465.634951]  ? zap_class+0x640/0x640
[  465.638682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.643543]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  465.648151]  ? lock_acquire+0x1ed/0x520
[  465.652132]  ? worker_thread+0x3e0/0x1390
[  465.656299]  ? kasan_check_read+0x11/0x20
[  465.660456]  ? do_raw_spin_lock+0x14f/0x350
[  465.664782]  ? kasan_check_read+0x11/0x20
[  465.668938]  ? rwlock_bug.part.2+0x90/0x90
[  465.673216]  ? trace_hardirqs_on+0x310/0x310
[  465.677652]  worker_thread+0x17f/0x1390
[  465.681630]  ? __switch_to_asm+0x34/0x70
[  465.685724]  ? process_one_work+0x1c40/0x1c40
[  465.690233]  ? zap_class+0x640/0x640
[  465.693976]  ? find_held_lock+0x36/0x1c0
[  465.698098]  ? __kthread_parkme+0xce/0x1a0
[  465.702342]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  465.707450]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  465.712561]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  465.717161]  ? trace_hardirqs_on+0xbd/0x310
[  465.721482]  ? kasan_check_read+0x11/0x20
[  465.725634]  ? __kthread_parkme+0xce/0x1a0
[  465.729874]  ? trace_hardirqs_off_caller+0x310/0x310
[  465.735049]  ? trace_hardirqs_off_caller+0x310/0x310
[  465.740193]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  465.745312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.750876]  ? __kthread_parkme+0xfb/0x1a0
[  465.755207]  ? process_one_work+0x1c40/0x1c40
[  465.759718]  kthread+0x35a/0x440
[  465.763108]  ? kthread_stop+0x900/0x900
[  465.767089]  ret_from_fork+0x3a/0x50
[  465.770820] warn_alloc_show_mem: 1 callbacks suppressed
[  465.770832] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  465.770835] Mem-Info:
[  465.770867] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  465.770867]  active_file:16 inactive_file:3 isolated_file:0
[  465.770867]  unevictable:0 dirty:0 writeback:0 unstable:0
[  465.770867]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  465.770867]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  465.770867]  free:13690 free_pcp:879 free_cma:0
[  465.776218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  465.783598] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  465.785977] Call Trace:
[  465.786013]  <IRQ>
[  465.819003] 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
[  465.828390]  dump_stack+0x244/0x39d
[  465.856229] lowmem_reserve[]: 0 2818 6321 6321
[  465.858840]  ? dump_stack_print_info.cold.1+0x20/0x20
[  465.860956] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  465.887096]  warn_alloc.cold.116+0xb7/0x1bd
[  465.890701] lowmem_reserve[]: 0 0 3503 3503
[  465.895297]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  465.900468] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  465.928062]  ? lock_downgrade+0x900/0x900
[  465.932364] lowmem_reserve[]: 0 0 0 0
[  465.936704]  ? trace_hardirqs_off+0xb8/0x310
[  465.941523] 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
[  465.970882]  ? trace_hardirqs_off+0xb8/0x310
[  465.975026] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  465.978834]  __alloc_pages_slowpath+0x26e8/0x2e10
[  465.983222] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  465.996782]  ? warn_alloc+0x120/0x120
[  466.001146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  466.016953]  ? warn_alloc+0x120/0x120
[  466.021786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  466.035762]  ? warn_alloc+0x120/0x120
[  466.039545] 4380 total pagecache pages
[  466.048386]  ? print_usage_bug+0xc0/0xc0
[  466.052173] 0 pages in swap cache
[  466.060773]  ? print_usage_bug+0xc0/0xc0
[  466.064568] Swap cache stats: add 0, delete 0, find 0/0
[  466.068454]  ? mark_held_locks+0x130/0x130
[  466.072492] Free swap  = 0kB
[  466.075950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.079986] Total swap = 0kB
[  466.079995] 1965979 pages RAM
[  466.085366]  ? should_fail+0x22d/0xd01
[  466.089577] 0 pages HighMem/MovableOnly
[  466.089587] 342854 pages reserved
[  466.092612]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.098135] 0 pages cma reserved
[  466.101165]  ? __lock_acquire+0x62f/0x4c20
[  466.104338] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  466.108146]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.108160]  ? should_fail+0x22d/0xd01
[  466.108188]  ? mark_held_locks+0x130/0x130
[  466.112227] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  466.115615]  ? mark_held_locks+0x130/0x130
[  466.120727] kworker/0:2 cpuset=/ mems_allowed=0
[  466.124108]  ? print_usage_bug+0xc0/0xc0
[  466.124128]  ? find_held_lock+0x36/0x1c0
[  466.175302]  ? zap_class+0x640/0x640
[  466.179027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.184591]  ? check_preemption_disabled+0x48/0x280
[  466.189624]  ? __lock_is_held+0xb5/0x140
[  466.193701]  __alloc_pages_nodemask+0xa80/0xde0
[  466.198379]  ? zap_class+0x640/0x640
[  466.202103]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  466.207135]  ? find_held_lock+0x36/0x1c0
[  466.211211]  ? ____cache_alloc_node+0x1c7/0x1e0
[  466.215888]  ? lock_downgrade+0x900/0x900
[  466.220054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.225609]  cache_grow_begin+0xa5/0x8c0
[  466.229677]  ? do_raw_spin_unlock+0xa7/0x330
[  466.234099]  fallback_alloc+0x204/0x2e0
[  466.238084]  ____cache_alloc_node+0x1c7/0x1e0
[  466.242589]  kmem_cache_alloc_node+0xe3/0x730
[  466.247094]  ? mark_held_locks+0xc7/0x130
[  466.251258]  __alloc_skb+0x119/0x770
[  466.255003]  ? netdev_alloc_frag+0x1f0/0x1f0
[  466.259416]  ? do_raw_spin_trylock+0x270/0x270
[  466.264018]  ? kmem_cache_alloc_trace+0x353/0x750
[  466.268880]  ? queue_work_on+0x12c/0x1e0
[  466.272960]  ? switchdev_port_obj_del+0xdc/0x440
[  466.277729]  ? switchdev_trans_item_enqueue+0x260/0x260
[  466.283111]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  466.288141]  __br_mdb_notify+0x4ff/0x15d0
[  466.292324]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  466.297442]  ? __br_mdb_add+0x7f0/0x7f0
[  466.301428]  ? mark_held_locks+0x130/0x130
[  466.305684]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  466.310821]  ? debug_object_assert_init+0x368/0x4b0
[  466.315846]  ? debug_object_init_on_stack+0x20/0x20
[  466.320863]  ? zap_class+0x640/0x640
[  466.324595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.330145]  br_mdb_notify+0x310/0x410
[  466.334040]  ? br_mdb_dump+0x27b0/0x27b0
[  466.338124]  br_multicast_del_pg+0x3df/0x790
[  466.342584]  ? br_mdb_ip_get+0x940/0x940
[  466.346652]  ? rwlock_bug.part.2+0x90/0x90
[  466.350894]  ? __lock_is_held+0xb5/0x140
[  466.355002]  br_multicast_port_group_expired+0x189/0x1e0
[  466.360461]  call_timer_fn+0x272/0x920
[  466.364356]  ? br_multicast_del_pg+0x790/0x790
[  466.368947]  ? process_timeout+0x40/0x40
[  466.373057]  ? __run_timers+0x7da/0xc70
[  466.377061]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.381565]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.386069]  ? br_multicast_del_pg+0x790/0x790
[  466.390691]  ? lockdep_hardirqs_on+0x296/0x5b0
[  466.395284]  ? trace_hardirqs_on+0xbd/0x310
[  466.399629]  ? kasan_check_read+0x11/0x20
[  466.403795]  ? __run_timers+0x7da/0xc70
[  466.407778]  ? trace_hardirqs_off_caller+0x310/0x310
[  466.412893]  ? br_multicast_del_pg+0x790/0x790
[  466.417500]  ? br_multicast_del_pg+0x790/0x790
[  466.422090]  __run_timers+0x7e5/0xc70
[  466.425908]  ? timer_fixup_init+0x70/0x70
[  466.430069]  ? lock_acquire+0x1ed/0x520
[  466.434047]  ? zap_class+0x640/0x640
[  466.437770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.443324]  ? kasan_check_read+0x11/0x20
[  466.447477]  ? do_raw_spin_lock+0x14f/0x350
[  466.451816]  ? find_held_lock+0x36/0x1c0
[  466.455885]  ? zap_class+0x640/0x640
[  466.459612]  ? pvclock_read_flags+0x160/0x160
[  466.464129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.469687]  ? check_preemption_disabled+0x48/0x280
[  466.474724]  ? __lock_is_held+0xb5/0x140
[  466.478797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.484346]  ? check_preemption_disabled+0x48/0x280
[  466.489380]  run_timer_softirq+0x52/0xb0
[  466.493450]  ? rcu_read_lock_sched_held+0x14f/0x180
[  466.498475]  __do_softirq+0x308/0xb7e
[  466.502299]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  466.506805]  ? lock_downgrade+0x900/0x900
[  466.511013]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  466.516145]  ? pvclock_read_flags+0x160/0x160
[  466.520653]  ? lapic_next_event+0x5a/0x90
[  466.524811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.530356]  ? kvm_clock_read+0x18/0x30
[  466.534350]  ? kvm_sched_clock_read+0x9/0x20
[  466.538792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.544336]  ? check_preemption_disabled+0x48/0x280
[  466.549366]  irq_exit+0x17f/0x1c0
[  466.552827]  smp_apic_timer_interrupt+0x1cb/0x760
[  466.557670]  ? smp_reschedule_interrupt+0x109/0x650
[  466.562690]  ? smp_call_function_single_interrupt+0x650/0x650
[  466.568576]  ? interrupt_entry+0xb5/0xc0
[  466.572644]  ? trace_hardirqs_off_caller+0xbb/0x310
[  466.577710]  ? trace_hardirqs_off_caller+0xbb/0x310
[  466.582744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.587605]  ? trace_hardirqs_on_caller+0x310/0x310
[  466.592621]  ? trace_hardirqs_on_caller+0x310/0x310
[  466.597641]  ? task_prio+0x50/0x50
[  466.601186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.606734]  ? check_preemption_disabled+0x48/0x280
[  466.611769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.616626]  apic_timer_interrupt+0xf/0x20
[  466.620858]  </IRQ>
[  466.623107] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  466.628046] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  466.646963] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  466.654698] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  466.661982] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  466.669259] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  466.676538] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  466.683812] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  466.691146]  skb_clone+0x1bb/0x500
[  466.694709]  ? finish_task_switch+0x1b4/0x910
[  466.699248]  ? skb_split+0x11e0/0x11e0
[  466.703181]  ? preempt_notifier_register+0x200/0x200
[  466.708334]  ? __switch_to_asm+0x34/0x70
[  466.712412]  ? __switch_to_asm+0x34/0x70
[  466.716478]  ? __switch_to_asm+0x40/0x70
[  466.720540]  ? __switch_to_asm+0x34/0x70
[  466.724604]  ? __switch_to_asm+0x40/0x70
[  466.728667]  ? __switch_to_asm+0x34/0x70
[  466.732741]  ? __switch_to_asm+0x40/0x70
[  466.736804]  ? __switch_to_asm+0x34/0x70
[  466.740869]  ? __switch_to_asm+0x34/0x70
[  466.744982]  ? __switch_to_asm+0x40/0x70
[  466.749056]  ? __switch_to_asm+0x34/0x70
[  466.753141]  bpf_clone_redirect+0xb9/0x490
[  466.757408]  ? __schedule+0x8d7/0x21d0
[  466.761309]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  466.766339]  ? __sched_text_start+0x8/0x8
[  466.770502]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  466.775088]  ? retint_kernel+0x2d/0x2d
[  466.779007]  ? trace_hardirqs_on_caller+0xc0/0x310
[  466.784001]  ? find_held_lock+0x36/0x1c0
[  466.788076]  ? lock_acquire+0x1ed/0x520
[  466.792058]  ? bpf_test_run+0x3cb/0x780
[  466.796039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.801580]  ? check_preemption_disabled+0x48/0x280
[  466.806616]  ? kasan_check_read+0x11/0x20
[  466.810784]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.816100]  ? rcu_softirq_qs+0x20/0x20
[  466.820092]  ? preempt_schedule+0x4d/0x60
[  466.824281]  ? ___preempt_schedule+0x16/0x18
[  466.828727]  ? bpf_test_run+0x25d/0x780
[  466.832742]  ? netlink_diag_dump+0x2a0/0x2a0
[  466.837171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.842729]  ? bpf_test_init.isra.10+0x70/0x100
[  466.847429]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  466.852202]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  466.857047]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  466.862594]  ? fput+0x130/0x1a0
[  466.865879]  ? __bpf_prog_get+0x9b/0x290
[  466.870003]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  466.874874]  ? bpf_prog_test_run+0x130/0x1a0
[  466.879300]  ? __x64_sys_bpf+0x3d8/0x520
[  466.883375]  ? bpf_prog_get+0x20/0x20
[  466.887229]  ? do_syscall_64+0x1b9/0x820
[  466.891292]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  466.896658]  ? syscall_return_slowpath+0x5e0/0x5e0
[  466.901588]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.906609]  ? trace_hardirqs_on_caller+0x310/0x310
[  466.911644]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  466.916672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.922247]  ? prepare_exit_to_usermode+0x291/0x3b0
[  466.927288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.932167]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  466.937575] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  466.937776] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  466.944700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  466.955176] syz-executor1 cpuset=syz1 mems_allowed=0
[  466.964538] Workqueue: events_power_efficient neigh_periodic_work
[  466.975834] Call Trace:
[  466.978414]  <IRQ>
[  466.980599]  dump_stack+0x244/0x39d
[  466.984287]  ? dump_stack_print_info.cold.1+0x20/0x20
[  466.989510]  warn_alloc.cold.116+0xb7/0x1bd
[  466.993837]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  466.998701]  ? lock_downgrade+0x900/0x900
[  467.002865]  ? trace_hardirqs_off+0xb8/0x310
[  467.007296]  ? trace_hardirqs_off+0xb8/0x310
[  467.011715]  __alloc_pages_slowpath+0x26e8/0x2e10
[  467.016593]  ? warn_alloc+0x120/0x120
[  467.020400]  ? print_usage_bug+0xc0/0xc0
[  467.024465]  ? warn_alloc+0x120/0x120
[  467.028275]  ? warn_alloc+0x120/0x120
[  467.032082]  ? print_usage_bug+0xc0/0xc0
[  467.036156]  ? print_usage_bug+0xc0/0xc0
[  467.040220]  ? __lock_acquire+0x62f/0x4c20
[  467.044481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.050026]  ? should_fail+0x22d/0xd01
[  467.053925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  467.059053]  ? __lock_acquire+0x62f/0x4c20
[  467.063299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  467.068404]  ? __lock_acquire+0x62f/0x4c20
[  467.072639]  ? should_fail+0x22d/0xd01
[  467.076535]  ? find_held_lock+0x36/0x1c0
[  467.080608]  ? mark_held_locks+0x130/0x130
[  467.084850]  ? mark_held_locks+0x130/0x130
[  467.089090]  ? zap_class+0x640/0x640
[  467.092810]  ? zap_class+0x640/0x640
[  467.096531]  ? print_usage_bug+0xc0/0xc0
[  467.100594]  ? do_raw_spin_unlock+0xa7/0x330
[  467.105012]  ? zap_class+0x640/0x640
[  467.108732]  ? print_usage_bug+0xc0/0xc0
[  467.112795]  ? wq_watchdog_touch+0x9c/0xfe
[  467.117044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.122592]  ? check_preemption_disabled+0x48/0x280
[  467.127626]  ? __lock_is_held+0xb5/0x140
[  467.131709]  __alloc_pages_nodemask+0xa80/0xde0
[  467.136408]  ? zap_class+0x640/0x640
[  467.140130]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  467.145162]  ? find_held_lock+0x36/0x1c0
[  467.149251]  ? ____cache_alloc_node+0x1c7/0x1e0
[  467.153927]  ? lock_downgrade+0x900/0x900
[  467.158091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.163638]  cache_grow_begin+0xa5/0x8c0
[  467.167703]  ? do_raw_spin_unlock+0xa7/0x330
[  467.172130]  fallback_alloc+0x204/0x2e0
[  467.176121]  ____cache_alloc_node+0x1c7/0x1e0
[  467.180632]  kmem_cache_alloc_node+0xe3/0x730
[  467.185136]  ? ipv6_get_ifaddr+0x42e/0x620
[  467.189386]  __alloc_skb+0x119/0x770
[  467.193104]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  467.198405]  ? netdev_alloc_frag+0x1f0/0x1f0
[  467.202824]  ? lock_downgrade+0x900/0x900
[  467.207000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.212541]  ? refcount_sub_and_test_checked+0x203/0x310
[  467.218001]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  467.223462]  ? addrconf_rs_timer+0x690/0x690
[  467.227900]  ndisc_alloc_skb+0x144/0x340
[  467.232022]  ndisc_send_rs+0x331/0x6e0
[  467.235943]  addrconf_rs_timer+0x314/0x690
[  467.240190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.244456]  call_timer_fn+0x272/0x920
[  467.248344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.252596]  ? process_timeout+0x40/0x40
[  467.256705]  ? mark_held_locks+0xc7/0x130
[  467.260870]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.265364]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.269859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.274106]  ? lockdep_hardirqs_on+0x296/0x5b0
[  467.278696]  ? trace_hardirqs_on+0xbd/0x310
[  467.283023]  ? kasan_check_read+0x11/0x20
[  467.287171]  ? __run_timers+0x7da/0xc70
[  467.291152]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.296276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.300518]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.304756]  __run_timers+0x7e5/0xc70
[  467.308575]  ? timer_fixup_init+0x70/0x70
[  467.312740]  ? lock_downgrade+0x900/0x900
[  467.316886]  ? zap_class+0x640/0x640
[  467.320625]  ? print_usage_bug+0xc0/0xc0
[  467.324700]  ? trace_hardirqs_on+0x310/0x310
[  467.329123]  ? kvm_clock_read+0x18/0x30
[  467.333109]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  467.338131]  ? ktime_get+0x2c1/0x400
[  467.341861]  ? zap_class+0x640/0x640
[  467.345588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.351133]  ? check_preemption_disabled+0x48/0x280
[  467.356167]  ? __lock_is_held+0xb5/0x140
[  467.360244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.365799]  ? check_preemption_disabled+0x48/0x280
[  467.370854]  run_timer_softirq+0x52/0xb0
[  467.374920]  ? rcu_read_lock_sched_held+0x14f/0x180
[  467.379939]  __do_softirq+0x308/0xb7e
[  467.383754]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  467.388858]  ? irq_exit+0xbd/0x1c0
[  467.392402]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  467.397428]  ? smp_call_function_single_interrupt+0x650/0x650
[  467.403317]  ? ret_from_intr+0xb/0x1e
[  467.407128]  ? trace_hardirqs_off_caller+0xbb/0x310
[  467.412150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.417015]  ? trace_hardirqs_on_caller+0x310/0x310
[  467.422045]  ? task_prio+0x50/0x50
[  467.425599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.431152]  ? check_preemption_disabled+0x48/0x280
[  467.436187]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.441046]  ? neigh_periodic_work+0x6bd/0xc60
[  467.445653]  do_softirq_own_stack+0x2a/0x40
[  467.449987]  </IRQ>
[  467.452231]  do_softirq.part.14+0x126/0x160
[  467.456578]  __local_bh_enable_ip+0x21d/0x260
[  467.461103]  _raw_write_unlock_bh+0x30/0x40
[  467.465436]  neigh_periodic_work+0x6bd/0xc60
[  467.469869]  ? neigh_table_clear+0x390/0x390
[  467.474295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.479846]  ? check_preemption_disabled+0x48/0x280
[  467.484892]  ? __lock_is_held+0xb5/0x140
[  467.488986]  process_one_work+0xc90/0x1c40
[  467.493230]  ? mark_held_locks+0x130/0x130
[  467.497497]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  467.502174]  ? __switch_to_asm+0x40/0x70
[  467.506254]  ? __switch_to_asm+0x40/0x70
[  467.510324]  ? __switch_to_asm+0x34/0x70
[  467.514394]  ? __switch_to_asm+0x40/0x70
[  467.518461]  ? __switch_to_asm+0x34/0x70
[  467.522536]  ? __switch_to_asm+0x40/0x70
[  467.526611]  ? __switch_to_asm+0x34/0x70
[  467.530684]  ? __switch_to_asm+0x40/0x70
[  467.534765]  ? __schedule+0x8d7/0x21d0
[  467.538668]  ? trace_hardirqs_off_caller+0xbb/0x310
[  467.543709]  ? lock_downgrade+0x900/0x900
[  467.547875]  ? zap_class+0x640/0x640
[  467.551597]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.556468]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  467.561078]  ? lock_acquire+0x1ed/0x520
[  467.565061]  ? worker_thread+0x3e0/0x1390
[  467.569223]  ? kasan_check_read+0x11/0x20
[  467.573396]  ? do_raw_spin_lock+0x14f/0x350
[  467.577732]  ? kasan_check_read+0x11/0x20
[  467.581933]  ? rwlock_bug.part.2+0x90/0x90
[  467.586171]  ? trace_hardirqs_on+0x310/0x310
[  467.590607]  worker_thread+0x17f/0x1390
[  467.594586]  ? __switch_to_asm+0x34/0x70
[  467.598673]  ? process_one_work+0x1c40/0x1c40
[  467.603208]  ? zap_class+0x640/0x640
[  467.606954]  ? find_held_lock+0x36/0x1c0
[  467.611061]  ? __kthread_parkme+0xce/0x1a0
[  467.615313]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  467.620430]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  467.625549]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  467.630141]  ? trace_hardirqs_on+0xbd/0x310
[  467.634470]  ? kasan_check_read+0x11/0x20
[  467.638632]  ? __kthread_parkme+0xce/0x1a0
[  467.642916]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.648052]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.653198]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  467.658355]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.663917]  ? __kthread_parkme+0xfb/0x1a0
[  467.668160]  ? process_one_work+0x1c40/0x1c40
[  467.672658]  kthread+0x35a/0x440
[  467.676031]  ? kthread_stop+0x900/0x900
[  467.680016]  ret_from_fork+0x3a/0x50
[  467.683777] warn_alloc_show_mem: 1 callbacks suppressed
[  467.683789] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  467.683791] Mem-Info:
[  467.683824] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  467.683824]  active_file:16 inactive_file:3 isolated_file:0
[  467.683824]  unevictable:0 dirty:0 writeback:0 unstable:0
[  467.683824]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  467.683824]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  467.683824]  free:13690 free_pcp:879 free_cma:0
[  467.689172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  467.696558] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  467.698984] Call Trace:
[  467.732005] 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
[  467.741375]  <IRQ>
[  467.769229] lowmem_reserve[]: 0 2818 6321 6321
[  467.771848]  dump_stack+0x244/0x39d
[  467.797954] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  467.800146]  ? dump_stack_print_info.cold.1+0x20/0x20
[  467.804690] lowmem_reserve[]: 0 0 3503 3503
[  467.808347]  warn_alloc.cold.116+0xb7/0x1bd
[  467.835933] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  467.841167]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  467.845452] lowmem_reserve[]: 0 0 0 0
[  467.849774]  ? lock_downgrade+0x900/0x900
[  467.879091] 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
[  467.883962]  ? trace_hardirqs_off+0xb8/0x310
[  467.887736] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  467.891903]  ? trace_hardirqs_off+0xb8/0x310
[  467.905421] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  467.909866]  __alloc_pages_slowpath+0x26e8/0x2e10
[  467.925120] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  467.929573]  ? warn_alloc+0x120/0x120
[  467.943531] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  467.948397]  ? warn_alloc+0x120/0x120
[  467.957228] 4380 total pagecache pages
[  467.961044]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  467.969611] 0 pages in swap cache
[  467.973411]  ? warn_alloc+0x120/0x120
[  467.977291] Swap cache stats: add 0, delete 0, find 0/0
[  467.982306]  ? print_usage_bug+0xc0/0xc0
[  467.985736] Free swap  = 0kB
[  467.989543]  ? print_usage_bug+0xc0/0xc0
[  467.994900] Total swap = 0kB
[  467.998977]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  468.001989] 1965979 pages RAM
[  468.006053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.009049] 0 pages HighMem/MovableOnly
[  468.014764]  ? should_fail+0x22d/0xd01
[  468.017851] 342854 pages reserved
[  468.017860] 0 pages cma reserved
[  468.023416]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.027446] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  468.031258]  ? __lock_acquire+0x62f/0x4c20
[  468.031277]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.031293]  ? should_fail+0x22d/0xd01
[  468.034889] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  468.038117]  ? mark_held_locks+0x130/0x130
[  468.043201] kworker/0:2 cpuset=/ mems_allowed=0
[  468.049692]  ? mark_held_locks+0x130/0x130
[  468.087268]  ? print_usage_bug+0xc0/0xc0
[  468.091356]  ? find_held_lock+0x36/0x1c0
[  468.095424]  ? zap_class+0x640/0x640
[  468.099152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.104699]  ? check_preemption_disabled+0x48/0x280
[  468.109731]  ? __lock_is_held+0xb5/0x140
[  468.113843]  __alloc_pages_nodemask+0xa80/0xde0
[  468.118516]  ? zap_class+0x640/0x640
[  468.122248]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  468.127278]  ? find_held_lock+0x36/0x1c0
[  468.131354]  ? ____cache_alloc_node+0x1c7/0x1e0
[  468.136030]  ? lock_downgrade+0x900/0x900
[  468.140200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.145750]  cache_grow_begin+0xa5/0x8c0
[  468.149822]  ? do_raw_spin_unlock+0xa7/0x330
[  468.154244]  fallback_alloc+0x204/0x2e0
[  468.158253]  ____cache_alloc_node+0x1c7/0x1e0
[  468.162784]  kmem_cache_alloc_node+0xe3/0x730
[  468.167284]  ? mark_held_locks+0xc7/0x130
[  468.171447]  __alloc_skb+0x119/0x770
[  468.175167]  ? netdev_alloc_frag+0x1f0/0x1f0
[  468.179592]  ? do_raw_spin_trylock+0x270/0x270
[  468.184203]  ? kmem_cache_alloc_trace+0x353/0x750
[  468.189068]  ? queue_work_on+0x12c/0x1e0
[  468.193145]  ? switchdev_port_obj_del+0xdc/0x440
[  468.197909]  ? switchdev_trans_item_enqueue+0x260/0x260
[  468.203282]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  468.208311]  __br_mdb_notify+0x4ff/0x15d0
[  468.212465]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  468.217583]  ? __br_mdb_add+0x7f0/0x7f0
[  468.221565]  ? mark_held_locks+0x130/0x130
[  468.225806]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  468.230929]  ? debug_object_assert_init+0x368/0x4b0
[  468.235955]  ? debug_object_init_on_stack+0x20/0x20
[  468.240988]  ? zap_class+0x640/0x640
[  468.244710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.250276]  br_mdb_notify+0x310/0x410
[  468.254176]  ? br_mdb_dump+0x27b0/0x27b0
[  468.258256]  br_multicast_del_pg+0x3df/0x790
[  468.262678]  ? br_mdb_ip_get+0x940/0x940
[  468.266748]  ? rwlock_bug.part.2+0x90/0x90
[  468.271003]  ? __lock_is_held+0xb5/0x140
[  468.275077]  br_multicast_port_group_expired+0x189/0x1e0
[  468.280535]  call_timer_fn+0x272/0x920
[  468.284425]  ? br_multicast_del_pg+0x790/0x790
[  468.289018]  ? process_timeout+0x40/0x40
[  468.293095]  ? __run_timers+0x7da/0xc70
[  468.297081]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.301586]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.306091]  ? br_multicast_del_pg+0x790/0x790
[  468.310683]  ? lockdep_hardirqs_on+0x296/0x5b0
[  468.315278]  ? trace_hardirqs_on+0xbd/0x310
[  468.319612]  ? kasan_check_read+0x11/0x20
[  468.323773]  ? __run_timers+0x7da/0xc70
[  468.327766]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.332903]  ? br_multicast_del_pg+0x790/0x790
[  468.337519]  ? br_multicast_del_pg+0x790/0x790
[  468.342125]  __run_timers+0x7e5/0xc70
[  468.345983]  ? timer_fixup_init+0x70/0x70
[  468.350154]  ? lock_acquire+0x1ed/0x520
[  468.354153]  ? zap_class+0x640/0x640
[  468.357886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.363443]  ? kasan_check_read+0x11/0x20
[  468.367601]  ? do_raw_spin_lock+0x14f/0x350
[  468.371944]  ? find_held_lock+0x36/0x1c0
[  468.376023]  ? zap_class+0x640/0x640
[  468.379754]  ? pvclock_read_flags+0x160/0x160
[  468.384266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.389821]  ? check_preemption_disabled+0x48/0x280
[  468.394901]  ? __lock_is_held+0xb5/0x140
[  468.398981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.404540]  ? check_preemption_disabled+0x48/0x280
[  468.409598]  run_timer_softirq+0x52/0xb0
[  468.413680]  ? rcu_read_lock_sched_held+0x14f/0x180
[  468.418729]  __do_softirq+0x308/0xb7e
[  468.422566]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  468.427097]  ? lock_downgrade+0x900/0x900
[  468.431259]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  468.436384]  ? pvclock_read_flags+0x160/0x160
[  468.440894]  ? lapic_next_event+0x5a/0x90
[  468.445055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.450610]  ? kvm_clock_read+0x18/0x30
[  468.454600]  ? kvm_sched_clock_read+0x9/0x20
[  468.459039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.464611]  ? check_preemption_disabled+0x48/0x280
[  468.469655]  irq_exit+0x17f/0x1c0
[  468.473133]  smp_apic_timer_interrupt+0x1cb/0x760
[  468.478002]  ? smp_reschedule_interrupt+0x109/0x650
[  468.483067]  ? smp_call_function_single_interrupt+0x650/0x650
[  468.488966]  ? interrupt_entry+0xb5/0xc0
[  468.493050]  ? trace_hardirqs_off_caller+0xbb/0x310
[  468.498080]  ? trace_hardirqs_off_caller+0xbb/0x310
[  468.503119]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.507969]  ? trace_hardirqs_on_caller+0x310/0x310
[  468.513008]  ? trace_hardirqs_on_caller+0x310/0x310
[  468.518031]  ? task_prio+0x50/0x50
[  468.521586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.527168]  ? check_preemption_disabled+0x48/0x280
[  468.532199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.537060]  apic_timer_interrupt+0xf/0x20
[  468.541296]  </IRQ>
[  468.543543] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  468.548481] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  468.567399] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  468.575128] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  468.582413] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  468.589692] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  468.596988] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  468.604270] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  468.611608]  skb_clone+0x1bb/0x500
[  468.615159]  ? finish_task_switch+0x1b4/0x910
[  468.619678]  ? skb_split+0x11e0/0x11e0
[  468.623576]  ? preempt_notifier_register+0x200/0x200
[  468.628698]  ? __switch_to_asm+0x34/0x70
[  468.632763]  ? __switch_to_asm+0x34/0x70
[  468.636828]  ? __switch_to_asm+0x40/0x70
[  468.640925]  ? __switch_to_asm+0x34/0x70
[  468.645003]  ? __switch_to_asm+0x40/0x70
[  468.649080]  ? __switch_to_asm+0x34/0x70
[  468.653146]  ? __switch_to_asm+0x40/0x70
[  468.657219]  ? __switch_to_asm+0x34/0x70
[  468.661292]  ? __switch_to_asm+0x34/0x70
[  468.665353]  ? __switch_to_asm+0x40/0x70
[  468.669416]  ? __switch_to_asm+0x34/0x70
[  468.673487]  bpf_clone_redirect+0xb9/0x490
[  468.677728]  ? __schedule+0x8d7/0x21d0
[  468.681651]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  468.686684]  ? __sched_text_start+0x8/0x8
[  468.690844]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  468.695427]  ? retint_kernel+0x2d/0x2d
[  468.699319]  ? trace_hardirqs_on_caller+0xc0/0x310
[  468.704263]  ? find_held_lock+0x36/0x1c0
[  468.708341]  ? lock_acquire+0x1ed/0x520
[  468.712349]  ? bpf_test_run+0x3cb/0x780
[  468.716341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.721917]  ? check_preemption_disabled+0x48/0x280
[  468.726944]  ? kasan_check_read+0x11/0x20
[  468.731116]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  468.736400]  ? rcu_softirq_qs+0x20/0x20
[  468.740382]  ? preempt_schedule+0x4d/0x60
[  468.744550]  ? ___preempt_schedule+0x16/0x18
[  468.748981]  ? bpf_test_run+0x25d/0x780
[  468.752982]  ? netlink_diag_dump+0x2a0/0x2a0
[  468.757403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.762947]  ? bpf_test_init.isra.10+0x70/0x100
[  468.767649]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  468.772421]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  468.777282]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  468.782910]  ? fput+0x130/0x1a0
[  468.786196]  ? __bpf_prog_get+0x9b/0x290
[  468.790268]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  468.795110]  ? bpf_prog_test_run+0x130/0x1a0
[  468.799524]  ? __x64_sys_bpf+0x3d8/0x520
[  468.803590]  ? bpf_prog_get+0x20/0x20
[  468.807418]  ? do_syscall_64+0x1b9/0x820
[  468.811481]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  468.816873]  ? syscall_return_slowpath+0x5e0/0x5e0
[  468.821827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.826682]  ? trace_hardirqs_on_caller+0x310/0x310
[  468.831703]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  468.836754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.842307]  ? prepare_exit_to_usermode+0x291/0x3b0
[  468.847333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.852190]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  468.857577] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  468.857787] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  468.864701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  468.875179] syz-executor1 cpuset=syz1 mems_allowed=0
[  468.884546] Workqueue: events_power_efficient neigh_periodic_work
[  468.895854] Call Trace:
[  468.898445]  <IRQ>
[  468.900612]  dump_stack+0x244/0x39d
[  468.904752]  ? dump_stack_print_info.cold.1+0x20/0x20
[  468.910007]  warn_alloc.cold.116+0xb7/0x1bd
[  468.914337]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  468.919189]  ? lock_downgrade+0x900/0x900
[  468.923377]  ? trace_hardirqs_off+0xb8/0x310
[  468.927794]  ? trace_hardirqs_off+0xb8/0x310
[  468.932224]  __alloc_pages_slowpath+0x26e8/0x2e10
[  468.937106]  ? warn_alloc+0x120/0x120
[  468.940918]  ? print_usage_bug+0xc0/0xc0
[  468.944984]  ? warn_alloc+0x120/0x120
[  468.948840]  ? warn_alloc+0x120/0x120
[  468.952666]  ? print_usage_bug+0xc0/0xc0
[  468.956749]  ? print_usage_bug+0xc0/0xc0
[  468.960870]  ? print_usage_bug+0xc0/0xc0
[  468.964940]  ? __lock_acquire+0x62f/0x4c20
[  468.969189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.974738]  ? should_fail+0x22d/0xd01
[  468.978640]  ? __lock_acquire+0x62f/0x4c20
[  468.982893]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.988035]  ? __lock_acquire+0x62f/0x4c20
[  468.992285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.997433]  ? __lock_acquire+0x62f/0x4c20
[  469.001683]  ? should_fail+0x22d/0xd01
[  469.005586]  ? mark_held_locks+0x130/0x130
[  469.009832]  ? mark_held_locks+0x130/0x130
[  469.014073]  ? zap_class+0x640/0x640
[  469.017801]  ? zap_class+0x640/0x640
[  469.021518]  ? print_usage_bug+0xc0/0xc0
[  469.025598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.031143]  ? check_preemption_disabled+0x48/0x280
[  469.036178]  ? __lock_is_held+0xb5/0x140
[  469.040255]  __alloc_pages_nodemask+0xa80/0xde0
[  469.044930]  ? zap_class+0x640/0x640
[  469.048651]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  469.053684]  ? find_held_lock+0x36/0x1c0
[  469.057760]  ? ____cache_alloc_node+0x1c7/0x1e0
[  469.062441]  ? lock_downgrade+0x900/0x900
[  469.066605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.072166]  cache_grow_begin+0xa5/0x8c0
[  469.076252]  ? do_raw_spin_unlock+0xa7/0x330
[  469.080696]  fallback_alloc+0x204/0x2e0
[  469.084682]  ____cache_alloc_node+0x1c7/0x1e0
[  469.089195]  kmem_cache_alloc_node+0xe3/0x730
[  469.093709]  ? ipv6_get_ifaddr+0x42e/0x620
[  469.097994]  __alloc_skb+0x119/0x770
[  469.101723]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.107024]  ? netdev_alloc_frag+0x1f0/0x1f0
[  469.111445]  ? lock_downgrade+0x900/0x900
[  469.115607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.121149]  ? refcount_sub_and_test_checked+0x203/0x310
[  469.126607]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  469.132065]  ? addrconf_rs_timer+0x690/0x690
[  469.136488]  ndisc_alloc_skb+0x144/0x340
[  469.140563]  ndisc_send_rs+0x331/0x6e0
[  469.144461]  addrconf_rs_timer+0x314/0x690
[  469.148712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.152961]  call_timer_fn+0x272/0x920
[  469.156879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.161124]  ? process_timeout+0x40/0x40
[  469.165198]  ? mark_held_locks+0xc7/0x130
[  469.169356]  ? _raw_spin_unlock_irq+0x27/0x80
[  469.173850]  ? _raw_spin_unlock_irq+0x27/0x80
[  469.178367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.182634]  ? lockdep_hardirqs_on+0x296/0x5b0
[  469.187222]  ? trace_hardirqs_on+0xbd/0x310
[  469.191585]  ? kasan_check_read+0x11/0x20
[  469.195743]  ? __run_timers+0x7da/0xc70
[  469.199738]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.204876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.209113]  __run_timers+0x7e5/0xc70
[  469.212929]  ? timer_fixup_init+0x70/0x70
[  469.217086]  ? lock_downgrade+0x900/0x900
[  469.221240]  ? zap_class+0x640/0x640
[  469.224966]  ? print_usage_bug+0xc0/0xc0
[  469.229043]  ? trace_hardirqs_on+0x310/0x310
[  469.233469]  ? kvm_clock_read+0x18/0x30
[  469.237446]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  469.242464]  ? ktime_get+0x2c1/0x400
[  469.246185]  ? zap_class+0x640/0x640
[  469.249916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.255459]  ? check_preemption_disabled+0x48/0x280
[  469.260506]  ? __lock_is_held+0xb5/0x140
[  469.264572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.270117]  ? check_preemption_disabled+0x48/0x280
[  469.275144]  run_timer_softirq+0x52/0xb0
[  469.279211]  ? rcu_read_lock_sched_held+0x14f/0x180
[  469.284242]  __do_softirq+0x308/0xb7e
[  469.288059]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  469.293166]  ? irq_exit+0xbd/0x1c0
[  469.296710]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  469.301734]  ? smp_call_function_single_interrupt+0x650/0x650
[  469.307623]  ? ret_from_intr+0xb/0x1e
[  469.311430]  ? trace_hardirqs_off_caller+0xbb/0x310
[  469.316460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.321309]  ? trace_hardirqs_on_caller+0x310/0x310
[  469.326328]  ? task_prio+0x50/0x50
[  469.329873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.335416]  ? check_preemption_disabled+0x48/0x280
[  469.340442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.345297]  ? neigh_periodic_work+0x6bd/0xc60
[  469.349895]  do_softirq_own_stack+0x2a/0x40
[  469.354279]  </IRQ>
[  469.356556]  do_softirq.part.14+0x126/0x160
[  469.360879]  __local_bh_enable_ip+0x21d/0x260
[  469.365378]  _raw_write_unlock_bh+0x30/0x40
[  469.369724]  neigh_periodic_work+0x6bd/0xc60
[  469.374172]  ? neigh_table_clear+0x390/0x390
[  469.378589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.384132]  ? check_preemption_disabled+0x48/0x280
[  469.389166]  ? __lock_is_held+0xb5/0x140
[  469.393247]  process_one_work+0xc90/0x1c40
[  469.397495]  ? mark_held_locks+0x130/0x130
[  469.401745]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  469.406416]  ? __switch_to_asm+0x40/0x70
[  469.410478]  ? __switch_to_asm+0x40/0x70
[  469.414541]  ? __switch_to_asm+0x34/0x70
[  469.418601]  ? __switch_to_asm+0x40/0x70
[  469.422659]  ? __switch_to_asm+0x34/0x70
[  469.426735]  ? __switch_to_asm+0x40/0x70
[  469.430830]  ? __switch_to_asm+0x34/0x70
[  469.434905]  ? __switch_to_asm+0x40/0x70
[  469.438983]  ? __schedule+0x8d7/0x21d0
[  469.442880]  ? trace_hardirqs_off_caller+0xbb/0x310
[  469.447940]  ? lock_downgrade+0x900/0x900
[  469.452115]  ? zap_class+0x640/0x640
[  469.455834]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.460697]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  469.465300]  ? lock_acquire+0x1ed/0x520
[  469.469275]  ? worker_thread+0x3e0/0x1390
[  469.473434]  ? kasan_check_read+0x11/0x20
[  469.477584]  ? do_raw_spin_lock+0x14f/0x350
[  469.481934]  ? kasan_check_read+0x11/0x20
[  469.486088]  ? rwlock_bug.part.2+0x90/0x90
[  469.490330]  ? trace_hardirqs_on+0x310/0x310
[  469.494762]  worker_thread+0x17f/0x1390
[  469.498744]  ? __switch_to_asm+0x34/0x70
[  469.502822]  ? process_one_work+0x1c40/0x1c40
[  469.507333]  ? zap_class+0x640/0x640
[  469.511049]  ? find_held_lock+0x36/0x1c0
[  469.515150]  ? __kthread_parkme+0xce/0x1a0
[  469.519392]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  469.524502]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  469.529624]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  469.534269]  ? trace_hardirqs_on+0xbd/0x310
[  469.538596]  ? kasan_check_read+0x11/0x20
[  469.542765]  ? __kthread_parkme+0xce/0x1a0
[  469.547012]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.552137]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.557269]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  469.562386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.567928]  ? __kthread_parkme+0xfb/0x1a0
[  469.572169]  ? process_one_work+0x1c40/0x1c40
[  469.576671]  kthread+0x35a/0x440
[  469.580070]  ? kthread_stop+0x900/0x900
[  469.584083]  ret_from_fork+0x3a/0x50
[  469.587867] warn_alloc_show_mem: 1 callbacks suppressed
[  469.587880] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  469.587882] Mem-Info:
[  469.587912] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  469.587912]  active_file:16 inactive_file:3 isolated_file:0
[  469.587912]  unevictable:0 dirty:0 writeback:0 unstable:0
[  469.587912]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  469.587912]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  469.587912]  free:13690 free_pcp:879 free_cma:0
[  469.593263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  469.600632] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  469.603051] Call Trace:
[  469.636043] 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
[  469.645418]  <IRQ>
[  469.673277] lowmem_reserve[]: 0 2818 6321 6321
[  469.675896]  dump_stack+0x244/0x39d
[  469.701998] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  469.704209]  ? dump_stack_print_info.cold.1+0x20/0x20
[  469.708762] lowmem_reserve[]: 0 0 3503 3503
[  469.712410]  warn_alloc.cold.116+0xb7/0x1bd
[  469.739983] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  469.745198]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  469.749499] lowmem_reserve[]: 0 0 0 0
[  469.753847]  ? lock_downgrade+0x900/0x900
[  469.783173] 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
[  469.788045]  ? trace_hardirqs_off+0xb8/0x310
[  469.791817] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  469.795975]  ? trace_hardirqs_off+0xb8/0x310
[  469.809498] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  469.813934]  __alloc_pages_slowpath+0x26e8/0x2e10
[  469.829199] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  469.833649]  ? warn_alloc+0x120/0x120
[  469.847579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  469.852435]  ? warn_alloc+0x120/0x120
[  469.861249] 4380 total pagecache pages
[  469.865089]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  469.873673] 0 pages in swap cache
[  469.877501]  ? warn_alloc+0x120/0x120
[  469.881367] Swap cache stats: add 0, delete 0, find 0/0
[  469.886391]  ? print_usage_bug+0xc0/0xc0
[  469.889822] Free swap  = 0kB
[  469.893626]  ? print_usage_bug+0xc0/0xc0
[  469.898961] Total swap = 0kB
[  469.898990] 1965979 pages RAM
[  469.903053]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  469.906053] 0 pages HighMem/MovableOnly
[  469.910125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.913110] 342854 pages reserved
[  469.913120] 0 pages cma reserved
[  469.916229]  ? should_fail+0x22d/0xd01
[  469.921489] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  469.925429]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  469.931112] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  469.934435]  ? __lock_acquire+0x62f/0x4c20
[  469.937776] kworker/0:2 cpuset=/ mems_allowed=0
[  469.941665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  469.977541]  ? should_fail+0x22d/0xd01
[  469.981448]  ? mark_held_locks+0x130/0x130
[  469.985703]  ? mark_held_locks+0x130/0x130
[  469.989968]  ? print_usage_bug+0xc0/0xc0
[  469.994044]  ? find_held_lock+0x36/0x1c0
[  469.998113]  ? zap_class+0x640/0x640
[  470.001848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.007419]  ? check_preemption_disabled+0x48/0x280
[  470.012964]  ? __lock_is_held+0xb5/0x140
[  470.017045]  __alloc_pages_nodemask+0xa80/0xde0
[  470.021734]  ? zap_class+0x640/0x640
[  470.025469]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  470.030512]  ? find_held_lock+0x36/0x1c0
[  470.034590]  ? ____cache_alloc_node+0x1c7/0x1e0
[  470.039269]  ? lock_downgrade+0x900/0x900
[  470.043432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.049008]  cache_grow_begin+0xa5/0x8c0
[  470.053085]  ? do_raw_spin_unlock+0xa7/0x330
[  470.057517]  fallback_alloc+0x204/0x2e0
[  470.061502]  ____cache_alloc_node+0x1c7/0x1e0
[  470.066015]  kmem_cache_alloc_node+0xe3/0x730
[  470.070526]  ? mark_held_locks+0xc7/0x130
[  470.074688]  __alloc_skb+0x119/0x770
[  470.078411]  ? netdev_alloc_frag+0x1f0/0x1f0
[  470.082822]  ? do_raw_spin_trylock+0x270/0x270
[  470.087413]  ? kmem_cache_alloc_trace+0x353/0x750
[  470.092267]  ? queue_work_on+0x12c/0x1e0
[  470.096360]  ? switchdev_port_obj_del+0xdc/0x440
[  470.101139]  ? switchdev_trans_item_enqueue+0x260/0x260
[  470.106544]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  470.111604]  __br_mdb_notify+0x4ff/0x15d0
[  470.115789]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  470.120932]  ? __br_mdb_add+0x7f0/0x7f0
[  470.124944]  ? mark_held_locks+0x130/0x130
[  470.129208]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  470.134322]  ? debug_object_assert_init+0x368/0x4b0
[  470.139349]  ? debug_object_init_on_stack+0x20/0x20
[  470.144366]  ? zap_class+0x640/0x640
[  470.148100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.153651]  br_mdb_notify+0x310/0x410
[  470.157544]  ? br_mdb_dump+0x27b0/0x27b0
[  470.161624]  br_multicast_del_pg+0x3df/0x790
[  470.166043]  ? br_mdb_ip_get+0x940/0x940
[  470.170110]  ? rwlock_bug.part.2+0x90/0x90
[  470.174354]  ? __lock_is_held+0xb5/0x140
[  470.178431]  br_multicast_port_group_expired+0x189/0x1e0
[  470.183890]  call_timer_fn+0x272/0x920
[  470.187796]  ? br_multicast_del_pg+0x790/0x790
[  470.192396]  ? process_timeout+0x40/0x40
[  470.196473]  ? __run_timers+0x7da/0xc70
[  470.200454]  ? _raw_spin_unlock_irq+0x27/0x80
[  470.205072]  ? _raw_spin_unlock_irq+0x27/0x80
[  470.209571]  ? br_multicast_del_pg+0x790/0x790
[  470.214167]  ? lockdep_hardirqs_on+0x296/0x5b0
[  470.218763]  ? trace_hardirqs_on+0xbd/0x310
[  470.223094]  ? kasan_check_read+0x11/0x20
[  470.227253]  ? __run_timers+0x7da/0xc70
[  470.231242]  ? trace_hardirqs_off_caller+0x310/0x310
[  470.236386]  ? br_multicast_del_pg+0x790/0x790
[  470.240982]  ? br_multicast_del_pg+0x790/0x790
[  470.245576]  __run_timers+0x7e5/0xc70
[  470.249391]  ? timer_fixup_init+0x70/0x70
[  470.253549]  ? lock_acquire+0x1ed/0x520
[  470.257528]  ? zap_class+0x640/0x640
[  470.261254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.266804]  ? kasan_check_read+0x11/0x20
[  470.270957]  ? do_raw_spin_lock+0x14f/0x350
[  470.275320]  ? find_held_lock+0x36/0x1c0
[  470.279391]  ? zap_class+0x640/0x640
[  470.283122]  ? pvclock_read_flags+0x160/0x160
[  470.287635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.293183]  ? check_preemption_disabled+0x48/0x280
[  470.298230]  ? __lock_is_held+0xb5/0x140
[  470.302325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.307869]  ? check_preemption_disabled+0x48/0x280
[  470.312900]  run_timer_softirq+0x52/0xb0
[  470.316998]  ? rcu_read_lock_sched_held+0x14f/0x180
[  470.322130]  __do_softirq+0x308/0xb7e
[  470.325941]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  470.330463]  ? lock_downgrade+0x900/0x900
[  470.334625]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  470.339748]  ? pvclock_read_flags+0x160/0x160
[  470.344250]  ? lapic_next_event+0x5a/0x90
[  470.348405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.353960]  ? kvm_clock_read+0x18/0x30
[  470.357962]  ? kvm_sched_clock_read+0x9/0x20
[  470.362401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.367946]  ? check_preemption_disabled+0x48/0x280
[  470.373040]  irq_exit+0x17f/0x1c0
[  470.376519]  smp_apic_timer_interrupt+0x1cb/0x760
[  470.381361]  ? smp_reschedule_interrupt+0x109/0x650
[  470.386400]  ? smp_call_function_single_interrupt+0x650/0x650
[  470.392294]  ? interrupt_entry+0xb5/0xc0
[  470.396361]  ? trace_hardirqs_off_caller+0xbb/0x310
[  470.401380]  ? trace_hardirqs_off_caller+0xbb/0x310
[  470.406403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  470.411251]  ? trace_hardirqs_on_caller+0x310/0x310
[  470.416271]  ? trace_hardirqs_on_caller+0x310/0x310
[  470.421289]  ? task_prio+0x50/0x50
[  470.424834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.430393]  ? check_preemption_disabled+0x48/0x280
[  470.435437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  470.440297]  apic_timer_interrupt+0xf/0x20
[  470.444531]  </IRQ>
[  470.446776] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  470.451719] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  470.470644] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  470.478381] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  470.485656] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  470.492933] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  470.500212] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  470.507501] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  470.514825]  skb_clone+0x1bb/0x500
[  470.518372]  ? finish_task_switch+0x1b4/0x910
[  470.522878]  ? skb_split+0x11e0/0x11e0
[  470.526777]  ? preempt_notifier_register+0x200/0x200
[  470.531886]  ? __switch_to_asm+0x34/0x70
[  470.535952]  ? __switch_to_asm+0x34/0x70
[  470.540019]  ? __switch_to_asm+0x40/0x70
[  470.544092]  ? __switch_to_asm+0x34/0x70
[  470.548184]  ? __switch_to_asm+0x40/0x70
[  470.552246]  ? __switch_to_asm+0x34/0x70
[  470.556306]  ? __switch_to_asm+0x40/0x70
[  470.560380]  ? __switch_to_asm+0x34/0x70
[  470.564459]  ? __switch_to_asm+0x34/0x70
[  470.568522]  ? __switch_to_asm+0x40/0x70
[  470.572581]  ? __switch_to_asm+0x34/0x70
[  470.576657]  bpf_clone_redirect+0xb9/0x490
[  470.580925]  ? __schedule+0x8d7/0x21d0
[  470.584862]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  470.589888]  ? __sched_text_start+0x8/0x8
[  470.594061]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  470.598647]  ? retint_kernel+0x2d/0x2d
[  470.602571]  ? trace_hardirqs_on_caller+0xc0/0x310
[  470.607511]  ? find_held_lock+0x36/0x1c0
[  470.611596]  ? lock_acquire+0x1ed/0x520
[  470.615578]  ? bpf_test_run+0x3cb/0x780
[  470.619610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.625160]  ? check_preemption_disabled+0x48/0x280
[  470.630191]  ? kasan_check_read+0x11/0x20
[  470.634350]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  470.639639]  ? rcu_softirq_qs+0x20/0x20
[  470.643625]  ? preempt_schedule+0x4d/0x60
[  470.647784]  ? ___preempt_schedule+0x16/0x18
[  470.652208]  ? bpf_test_run+0x25d/0x780
[  470.656204]  ? netlink_diag_dump+0x2a0/0x2a0
[  470.660662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.666249]  ? bpf_test_init.isra.10+0x70/0x100
[  470.670935]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  470.675711]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  470.680569]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  470.686117]  ? fput+0x130/0x1a0
[  470.689408]  ? __bpf_prog_get+0x9b/0x290
[  470.693484]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  470.698334]  ? bpf_prog_test_run+0x130/0x1a0
[  470.702761]  ? __x64_sys_bpf+0x3d8/0x520
[  470.706844]  ? bpf_prog_get+0x20/0x20
[  470.710676]  ? do_syscall_64+0x1b9/0x820
[  470.714777]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  470.720182]  ? syscall_return_slowpath+0x5e0/0x5e0
[  470.725124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  470.729995]  ? trace_hardirqs_on_caller+0x310/0x310
[  470.735024]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  470.740059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.745616]  ? prepare_exit_to_usermode+0x291/0x3b0
[  470.750655]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  470.755529]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  470.760943] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  470.761137] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  470.768070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  470.768096] Workqueue: events_power_efficient neigh_periodic_work
[  470.778577] syz-executor1 cpuset=syz1 mems_allowed=0
[  470.787931] Call Trace:
[  470.801823]  <IRQ>
[  470.803995]  dump_stack+0x244/0x39d
[  470.807657]  ? dump_stack_print_info.cold.1+0x20/0x20
[  470.812882]  warn_alloc.cold.116+0xb7/0x1bd
[  470.817211]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  470.822076]  ? lock_downgrade+0x900/0x900
[  470.826246]  ? trace_hardirqs_off+0xb8/0x310
[  470.830667]  ? trace_hardirqs_off+0xb8/0x310
[  470.835088]  __alloc_pages_slowpath+0x26e8/0x2e10
[  470.839965]  ? warn_alloc+0x120/0x120
[  470.843776]  ? print_usage_bug+0xc0/0xc0
[  470.847841]  ? warn_alloc+0x120/0x120
[  470.851651]  ? warn_alloc+0x120/0x120
[  470.855460]  ? print_usage_bug+0xc0/0xc0
[  470.859530]  ? kvm_clock_read+0x18/0x30
[  470.863521]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  470.868549]  ? print_usage_bug+0xc0/0xc0
[  470.872629]  ? __lock_acquire+0x62f/0x4c20
[  470.876884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.882440]  ? should_fail+0x22d/0xd01
[  470.886347]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  470.891641]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  470.896744]  ? __lock_acquire+0x62f/0x4c20
[  470.901020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  470.906683]  ? __lock_acquire+0x62f/0x4c20
[  470.910922]  ? should_fail+0x22d/0xd01
[  470.914809]  ? rcu_irq_exit+0x1a2/0x390
[  470.918813]  ? mark_held_locks+0x130/0x130
[  470.923060]  ? mark_held_locks+0x130/0x130
[  470.927302]  ? mark_held_locks+0xc7/0x130
[  470.931450]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  470.936469]  ? zap_class+0x640/0x640
[  470.940184]  ? print_usage_bug+0xc0/0xc0
[  470.944258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.949804]  ? check_preemption_disabled+0x48/0x280
[  470.954846]  ? __lock_is_held+0xb5/0x140
[  470.958921]  __alloc_pages_nodemask+0xa80/0xde0
[  470.963591]  ? zap_class+0x640/0x640
[  470.967311]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  470.972356]  ? find_held_lock+0x36/0x1c0
[  470.976442]  ? ____cache_alloc_node+0x1c7/0x1e0
[  470.981121]  ? lock_downgrade+0x900/0x900
[  470.985280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.990827]  cache_grow_begin+0xa5/0x8c0
[  470.994890]  ? do_raw_spin_unlock+0xa7/0x330
[  470.999309]  fallback_alloc+0x204/0x2e0
[  471.003292]  ____cache_alloc_node+0x1c7/0x1e0
[  471.007797]  kmem_cache_alloc_node+0xe3/0x730
[  471.012296]  ? ipv6_get_ifaddr+0x42e/0x620
[  471.016546]  __alloc_skb+0x119/0x770
[  471.020269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  471.025552]  ? netdev_alloc_frag+0x1f0/0x1f0
[  471.029962]  ? lock_downgrade+0x900/0x900
[  471.034121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.039662]  ? refcount_sub_and_test_checked+0x203/0x310
[  471.045121]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  471.050575]  ? addrconf_rs_timer+0x690/0x690
[  471.054999]  ndisc_alloc_skb+0x144/0x340
[  471.059067]  ndisc_send_rs+0x331/0x6e0
[  471.062960]  addrconf_rs_timer+0x314/0x690
[  471.067224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.071484]  call_timer_fn+0x272/0x920
[  471.075372]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.079607]  ? process_timeout+0x40/0x40
[  471.083686]  ? mark_held_locks+0xc7/0x130
[  471.087845]  ? _raw_spin_unlock_irq+0x27/0x80
[  471.092350]  ? _raw_spin_unlock_irq+0x27/0x80
[  471.096868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.101106]  ? lockdep_hardirqs_on+0x296/0x5b0
[  471.105720]  ? trace_hardirqs_on+0xbd/0x310
[  471.110060]  ? kasan_check_read+0x11/0x20
[  471.114208]  ? __run_timers+0x7da/0xc70
[  471.118220]  ? trace_hardirqs_off_caller+0x310/0x310
[  471.123338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.127592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.131832]  __run_timers+0x7e5/0xc70
[  471.135648]  ? timer_fixup_init+0x70/0x70
[  471.139798]  ? lock_downgrade+0x900/0x900
[  471.143944]  ? zap_class+0x640/0x640
[  471.147668]  ? print_usage_bug+0xc0/0xc0
[  471.151736]  ? trace_hardirqs_on+0x310/0x310
[  471.156162]  ? kvm_clock_read+0x18/0x30
[  471.160139]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  471.165159]  ? ktime_get+0x2c1/0x400
[  471.168877]  ? zap_class+0x640/0x640
[  471.172602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.178143]  ? check_preemption_disabled+0x48/0x280
[  471.183174]  ? __lock_is_held+0xb5/0x140
[  471.187249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.192810]  ? check_preemption_disabled+0x48/0x280
[  471.197857]  run_timer_softirq+0x52/0xb0
[  471.201947]  ? rcu_read_lock_sched_held+0x14f/0x180
[  471.206972]  __do_softirq+0x308/0xb7e
[  471.210791]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  471.215891]  ? irq_exit+0xbd/0x1c0
[  471.219444]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  471.224472]  ? smp_call_function_single_interrupt+0x650/0x650
[  471.230368]  ? ret_from_intr+0xb/0x1e
[  471.234182]  ? trace_hardirqs_off_caller+0xbb/0x310
[  471.239224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.244083]  ? trace_hardirqs_on_caller+0x310/0x310
[  471.249117]  ? task_prio+0x50/0x50
[  471.252692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.258247]  ? check_preemption_disabled+0x48/0x280
[  471.263320]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.268194]  ? neigh_periodic_work+0x6bd/0xc60
[  471.272785]  do_softirq_own_stack+0x2a/0x40
[  471.277126]  </IRQ>
[  471.279369]  do_softirq.part.14+0x126/0x160
[  471.283692]  __local_bh_enable_ip+0x21d/0x260
[  471.288196]  _raw_write_unlock_bh+0x30/0x40
[  471.292525]  neigh_periodic_work+0x6bd/0xc60
[  471.296947]  ? neigh_table_clear+0x390/0x390
[  471.301365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.306913]  ? check_preemption_disabled+0x48/0x280
[  471.311943]  ? __lock_is_held+0xb5/0x140
[  471.316024]  process_one_work+0xc90/0x1c40
[  471.320265]  ? mark_held_locks+0x130/0x130
[  471.324513]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  471.329181]  ? __switch_to_asm+0x40/0x70
[  471.333248]  ? __switch_to_asm+0x40/0x70
[  471.337312]  ? __switch_to_asm+0x34/0x70
[  471.341371]  ? __switch_to_asm+0x40/0x70
[  471.345434]  ? __switch_to_asm+0x34/0x70
[  471.349491]  ? __switch_to_asm+0x40/0x70
[  471.353552]  ? __switch_to_asm+0x34/0x70
[  471.357610]  ? __switch_to_asm+0x40/0x70
[  471.361678]  ? __schedule+0x8d7/0x21d0
[  471.365573]  ? trace_hardirqs_off_caller+0xbb/0x310
[  471.370604]  ? lock_downgrade+0x900/0x900
[  471.374758]  ? zap_class+0x640/0x640
[  471.378478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.383355]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  471.387958]  ? lock_acquire+0x1ed/0x520
[  471.391934]  ? worker_thread+0x3e0/0x1390
[  471.396094]  ? kasan_check_read+0x11/0x20
[  471.400249]  ? do_raw_spin_lock+0x14f/0x350
[  471.404571]  ? kasan_check_read+0x11/0x20
[  471.408725]  ? rwlock_bug.part.2+0x90/0x90
[  471.412977]  ? trace_hardirqs_on+0x310/0x310
[  471.417404]  worker_thread+0x17f/0x1390
[  471.421381]  ? __switch_to_asm+0x34/0x70
[  471.425472]  ? process_one_work+0x1c40/0x1c40
[  471.429988]  ? zap_class+0x640/0x640
[  471.433706]  ? find_held_lock+0x36/0x1c0
[  471.437794]  ? __kthread_parkme+0xce/0x1a0
[  471.442034]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  471.447138]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  471.452250]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  471.456842]  ? trace_hardirqs_on+0xbd/0x310
[  471.461164]  ? kasan_check_read+0x11/0x20
[  471.465332]  ? __kthread_parkme+0xce/0x1a0
[  471.469568]  ? trace_hardirqs_off_caller+0x310/0x310
[  471.474702]  ? trace_hardirqs_off_caller+0x310/0x310
[  471.479816]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  471.484925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.490476]  ? __kthread_parkme+0xfb/0x1a0
[  471.494716]  ? process_one_work+0x1c40/0x1c40
[  471.499212]  kthread+0x35a/0x440
[  471.502587]  ? kthread_stop+0x900/0x900
[  471.506566]  ret_from_fork+0x3a/0x50
[  471.510298] warn_alloc_show_mem: 1 callbacks suppressed
[  471.510313] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  471.510315] Mem-Info:
[  471.510346] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  471.510346]  active_file:16 inactive_file:3 isolated_file:0
[  471.510346]  unevictable:0 dirty:0 writeback:0 unstable:0
[  471.510346]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  471.510346]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  471.510346]  free:13690 free_pcp:879 free_cma:0
[  471.515716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  471.523082] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  471.525488] Call Trace:
[  471.558458] 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
[  471.567841]  <IRQ>
[  471.595679] lowmem_reserve[]: 0 2818 6321 6321
[  471.598288]  dump_stack+0x244/0x39d
[  471.624372] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  471.626534]  ? dump_stack_print_info.cold.1+0x20/0x20
[  471.631091] lowmem_reserve[]: 0 0 3503 3503
[  471.634724]  warn_alloc.cold.116+0xb7/0x1bd
[  471.662284] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  471.667478]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  471.671770] lowmem_reserve[]: 0 0 0 0
[  471.676106]  ? lock_downgrade+0x900/0x900
[  471.705412] 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
[  471.710272]  ? trace_hardirqs_off+0xb8/0x310
[  471.714043] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  471.718191]  ? trace_hardirqs_off+0xb8/0x310
[  471.731691] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  471.736116]  __alloc_pages_slowpath+0x26e8/0x2e10
[  471.751360] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  471.755801]  ? warn_alloc+0x120/0x120
[  471.769720] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  471.774564]  ? warn_alloc+0x120/0x120
[  471.783381] 4380 total pagecache pages
[  471.787192]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  471.795755] 0 pages in swap cache
[  471.799554]  ? warn_alloc+0x120/0x120
[  471.803426] Swap cache stats: add 0, delete 0, find 0/0
[  471.808441]  ? print_usage_bug+0xc0/0xc0
[  471.811882] Free swap  = 0kB
[  471.815683]  ? print_usage_bug+0xc0/0xc0
[  471.821029] Total swap = 0kB
[  471.825086]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  471.828088] 1965979 pages RAM
[  471.832153]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.835147] 0 pages HighMem/MovableOnly
[  471.840333]  ? should_fail+0x22d/0xd01
[  471.843419] 342854 pages reserved
[  471.848959]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  471.852914] 0 pages cma reserved
[  471.856803]  ? __lock_acquire+0x62f/0x4c20
[  471.860310] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  471.865332]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  471.868777] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  471.872913]  ? should_fail+0x22d/0xd01
[  471.879399] kworker/0:2 cpuset=/ mems_allowed=0
[  471.884528]  ? mark_held_locks+0x130/0x130
[  471.907616]  ? mark_held_locks+0x130/0x130
[  471.911871]  ? print_usage_bug+0xc0/0xc0
[  471.915939]  ? find_held_lock+0x36/0x1c0
[  471.920017]  ? zap_class+0x640/0x640
[  471.923782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.929348]  ? check_preemption_disabled+0x48/0x280
[  471.934398]  ? __lock_is_held+0xb5/0x140
[  471.938469]  __alloc_pages_nodemask+0xa80/0xde0
[  471.943145]  ? zap_class+0x640/0x640
[  471.946868]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  471.951900]  ? find_held_lock+0x36/0x1c0
[  471.956612]  ? ____cache_alloc_node+0x1c7/0x1e0
[  471.961288]  ? lock_downgrade+0x900/0x900
[  471.965449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.971001]  cache_grow_begin+0xa5/0x8c0
[  471.975069]  ? do_raw_spin_unlock+0xa7/0x330
[  471.979487]  fallback_alloc+0x204/0x2e0
[  471.983472]  ____cache_alloc_node+0x1c7/0x1e0
[  471.988006]  kmem_cache_alloc_node+0xe3/0x730
[  471.992529]  ? mark_held_locks+0xc7/0x130
[  471.996690]  __alloc_skb+0x119/0x770
[  472.000412]  ? netdev_alloc_frag+0x1f0/0x1f0
[  472.004821]  ? do_raw_spin_trylock+0x270/0x270
[  472.009823]  ? kmem_cache_alloc_trace+0x353/0x750
[  472.014688]  ? queue_work_on+0x12c/0x1e0
[  472.018768]  ? switchdev_port_obj_del+0xdc/0x440
[  472.023532]  ? switchdev_trans_item_enqueue+0x260/0x260
[  472.028905]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  472.033932]  __br_mdb_notify+0x4ff/0x15d0
[  472.038082]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  472.043199]  ? __br_mdb_add+0x7f0/0x7f0
[  472.047197]  ? mark_held_locks+0x130/0x130
[  472.051465]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  472.056577]  ? debug_object_assert_init+0x368/0x4b0
[  472.062315]  ? debug_object_init_on_stack+0x20/0x20
[  472.067340]  ? zap_class+0x640/0x640
[  472.071066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.076617]  br_mdb_notify+0x310/0x410
[  472.080530]  ? br_mdb_dump+0x27b0/0x27b0
[  472.084610]  br_multicast_del_pg+0x3df/0x790
[  472.089033]  ? br_mdb_ip_get+0x940/0x940
[  472.093098]  ? rwlock_bug.part.2+0x90/0x90
[  472.097342]  ? __lock_is_held+0xb5/0x140
[  472.101442]  br_multicast_port_group_expired+0x189/0x1e0
[  472.106898]  call_timer_fn+0x272/0x920
[  472.110822]  ? br_multicast_del_pg+0x790/0x790
[  472.115436]  ? process_timeout+0x40/0x40
[  472.119523]  ? __run_timers+0x7da/0xc70
[  472.123512]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.128012]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.132530]  ? br_multicast_del_pg+0x790/0x790
[  472.137126]  ? lockdep_hardirqs_on+0x296/0x5b0
[  472.141714]  ? trace_hardirqs_on+0xbd/0x310
[  472.146048]  ? kasan_check_read+0x11/0x20
[  472.150218]  ? __run_timers+0x7da/0xc70
[  472.154195]  ? trace_hardirqs_off_caller+0x310/0x310
[  472.159330]  ? br_multicast_del_pg+0x790/0x790
[  472.164100]  ? br_multicast_del_pg+0x790/0x790
[  472.168707]  __run_timers+0x7e5/0xc70
[  472.172532]  ? timer_fixup_init+0x70/0x70
[  472.176690]  ? lock_acquire+0x1ed/0x520
[  472.180669]  ? zap_class+0x640/0x640
[  472.184390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.189950]  ? kasan_check_read+0x11/0x20
[  472.194136]  ? do_raw_spin_lock+0x14f/0x350
[  472.198479]  ? find_held_lock+0x36/0x1c0
[  472.202554]  ? zap_class+0x640/0x640
[  472.206278]  ? pvclock_read_flags+0x160/0x160
[  472.210785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.216357]  ? check_preemption_disabled+0x48/0x280
[  472.221400]  ? __lock_is_held+0xb5/0x140
[  472.225472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.231027]  ? check_preemption_disabled+0x48/0x280
[  472.236088]  run_timer_softirq+0x52/0xb0
[  472.240156]  ? rcu_read_lock_sched_held+0x14f/0x180
[  472.245181]  __do_softirq+0x308/0xb7e
[  472.248994]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  472.253503]  ? lock_downgrade+0x900/0x900
[  472.257662]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  472.262792]  ? pvclock_read_flags+0x160/0x160
[  472.267553]  ? lapic_next_event+0x5a/0x90
[  472.271729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.277285]  ? kvm_clock_read+0x18/0x30
[  472.281263]  ? kvm_sched_clock_read+0x9/0x20
[  472.285678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.291226]  ? check_preemption_disabled+0x48/0x280
[  472.296259]  irq_exit+0x17f/0x1c0
[  472.299724]  smp_apic_timer_interrupt+0x1cb/0x760
[  472.304577]  ? smp_reschedule_interrupt+0x109/0x650
[  472.309599]  ? smp_call_function_single_interrupt+0x650/0x650
[  472.315483]  ? interrupt_entry+0xb5/0xc0
[  472.319549]  ? trace_hardirqs_off_caller+0xbb/0x310
[  472.324570]  ? trace_hardirqs_off_caller+0xbb/0x310
[  472.329718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  472.334572]  ? trace_hardirqs_on_caller+0x310/0x310
[  472.339589]  ? trace_hardirqs_on_caller+0x310/0x310
[  472.344608]  ? task_prio+0x50/0x50
[  472.348186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.353746]  ? check_preemption_disabled+0x48/0x280
[  472.358779]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  472.363635]  apic_timer_interrupt+0xf/0x20
[  472.367868]  </IRQ>
[  472.370112] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  472.375045] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  472.393970] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  472.401697] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  472.408965] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  472.416241] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  472.423511] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  472.430779] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  472.438106]  skb_clone+0x1bb/0x500
[  472.441652]  ? finish_task_switch+0x1b4/0x910
[  472.446166]  ? skb_split+0x11e0/0x11e0
[  472.450057]  ? preempt_notifier_register+0x200/0x200
[  472.455161]  ? __switch_to_asm+0x34/0x70
[  472.459222]  ? __switch_to_asm+0x34/0x70
[  472.463298]  ? __switch_to_asm+0x40/0x70
[  472.467357]  ? __switch_to_asm+0x34/0x70
[  472.471419]  ? __switch_to_asm+0x40/0x70
[  472.475488]  ? __switch_to_asm+0x34/0x70
[  472.479559]  ? __switch_to_asm+0x40/0x70
[  472.483641]  ? __switch_to_asm+0x34/0x70
[  472.487728]  ? __switch_to_asm+0x34/0x70
[  472.491797]  ? __switch_to_asm+0x40/0x70
[  472.495858]  ? __switch_to_asm+0x34/0x70
[  472.499930]  bpf_clone_redirect+0xb9/0x490
[  472.504169]  ? __schedule+0x8d7/0x21d0
[  472.508066]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  472.513087]  ? __sched_text_start+0x8/0x8
[  472.517242]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  472.521842]  ? retint_kernel+0x2d/0x2d
[  472.525734]  ? trace_hardirqs_on_caller+0xc0/0x310
[  472.530679]  ? find_held_lock+0x36/0x1c0
[  472.534760]  ? lock_acquire+0x1ed/0x520
[  472.538769]  ? bpf_test_run+0x3cb/0x780
[  472.542757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.548300]  ? check_preemption_disabled+0x48/0x280
[  472.553334]  ? kasan_check_read+0x11/0x20
[  472.557485]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  472.562772]  ? rcu_softirq_qs+0x20/0x20
[  472.566759]  ? preempt_schedule+0x4d/0x60
[  472.570914]  ? ___preempt_schedule+0x16/0x18
[  472.575337]  ? bpf_test_run+0x25d/0x780
[  472.579327]  ? netlink_diag_dump+0x2a0/0x2a0
[  472.583749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  472.589289]  ? bpf_test_init.isra.10+0x70/0x100
[  472.594000]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  472.598776]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  472.603627]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  472.609197]  ? fput+0x130/0x1a0
[  472.612501]  ? __bpf_prog_get+0x9b/0x290
[  472.616568]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  472.621411]  ? bpf_prog_test_run+0x130/0x1a0
[  472.625825]  ? __x64_sys_bpf+0x3d8/0x520
[  472.629913]  ? bpf_prog_get+0x20/0x20
[  472.633759]  ? do_syscall_64+0x1b9/0x820
[  472.637829]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  472.643206]  ? syscall_return_slowpath+0x5e0/0x5e0
[  472.648179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  472.653039]  ? trace_hardirqs_on_caller+0x310/0x310
[  472.658066]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  472.663097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.668645]  ? prepare_exit_to_usermode+0x291/0x3b0
[  472.673674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  472.678529]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  472.683919] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  472.684115] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  472.691137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  472.701613] syz-executor1 cpuset=syz1 mems_allowed=0
[  472.710980] Workqueue: events_power_efficient neigh_periodic_work
[  472.722324] Call Trace:
[  472.724904]  <IRQ>
[  472.727072]  dump_stack+0x244/0x39d
[  472.730707]  ? dump_stack_print_info.cold.1+0x20/0x20
[  472.735912]  warn_alloc.cold.116+0xb7/0x1bd
[  472.740247]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  472.745101]  ? lock_downgrade+0x900/0x900
[  472.749297]  ? trace_hardirqs_off+0xb8/0x310
[  472.753740]  ? trace_hardirqs_off+0xb8/0x310
[  472.758163]  __alloc_pages_slowpath+0x26e8/0x2e10
[  472.763046]  ? warn_alloc+0x120/0x120
[  472.766857]  ? print_usage_bug+0xc0/0xc0
[  472.770922]  ? warn_alloc+0x120/0x120
[  472.774739]  ? warn_alloc+0x120/0x120
[  472.778554]  ? print_usage_bug+0xc0/0xc0
[  472.782620]  ? kvm_clock_read+0x18/0x30
[  472.786598]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  472.791632]  ? print_usage_bug+0xc0/0xc0
[  472.795702]  ? __lock_acquire+0x62f/0x4c20
[  472.799948]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  472.805490]  ? should_fail+0x22d/0xd01
[  472.809379]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  472.814662]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  472.819796]  ? __lock_acquire+0x62f/0x4c20
[  472.824121]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  472.829244]  ? __lock_acquire+0x62f/0x4c20
[  472.833495]  ? should_fail+0x22d/0xd01
[  472.837400]  ? rcu_irq_exit+0x1a2/0x390
[  472.841401]  ? mark_held_locks+0x130/0x130
[  472.845649]  ? mark_held_locks+0x130/0x130
[  472.849911]  ? mark_held_locks+0xc7/0x130
[  472.854070]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  472.859102]  ? zap_class+0x640/0x640
[  472.862820]  ? print_usage_bug+0xc0/0xc0
[  472.866892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.872479]  ? check_preemption_disabled+0x48/0x280
[  472.877516]  ? __lock_is_held+0xb5/0x140
[  472.881592]  __alloc_pages_nodemask+0xa80/0xde0
[  472.886290]  ? zap_class+0x640/0x640
[  472.890033]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  472.895087]  ? find_held_lock+0x36/0x1c0
[  472.899165]  ? ____cache_alloc_node+0x1c7/0x1e0
[  472.904320]  ? lock_downgrade+0x900/0x900
[  472.908488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.914133]  cache_grow_begin+0xa5/0x8c0
[  472.918208]  ? do_raw_spin_unlock+0xa7/0x330
[  472.922679]  fallback_alloc+0x204/0x2e0
[  472.926687]  ____cache_alloc_node+0x1c7/0x1e0
[  472.931199]  kmem_cache_alloc_node+0xe3/0x730
[  472.935698]  ? ipv6_get_ifaddr+0x42e/0x620
[  472.939949]  __alloc_skb+0x119/0x770
[  472.943677]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  472.948968]  ? netdev_alloc_frag+0x1f0/0x1f0
[  472.953383]  ? lock_downgrade+0x900/0x900
[  472.957547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.963092]  ? refcount_sub_and_test_checked+0x203/0x310
[  472.968565]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  472.974028]  ? addrconf_rs_timer+0x690/0x690
[  472.978454]  ndisc_alloc_skb+0x144/0x340
[  472.982533]  ndisc_send_rs+0x331/0x6e0
[  472.986444]  addrconf_rs_timer+0x314/0x690
[  472.990725]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.994977]  call_timer_fn+0x272/0x920
[  472.998878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.003136]  ? process_timeout+0x40/0x40
[  473.007221]  ? mark_held_locks+0xc7/0x130
[  473.011392]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.015897]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.020401]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.024648]  ? lockdep_hardirqs_on+0x296/0x5b0
[  473.029257]  ? trace_hardirqs_on+0xbd/0x310
[  473.033602]  ? kasan_check_read+0x11/0x20
[  473.037760]  ? __run_timers+0x7da/0xc70
[  473.041758]  ? trace_hardirqs_off_caller+0x310/0x310
[  473.046887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.051139]  __run_timers+0x7e5/0xc70
[  473.054957]  ? timer_fixup_init+0x70/0x70
[  473.060041]  ? lock_downgrade+0x900/0x900
[  473.064192]  ? zap_class+0x640/0x640
[  473.067934]  ? print_usage_bug+0xc0/0xc0
[  473.072011]  ? trace_hardirqs_on+0x310/0x310
[  473.076438]  ? kvm_clock_read+0x18/0x30
[  473.080422]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  473.085443]  ? ktime_get+0x2c1/0x400
[  473.089165]  ? zap_class+0x640/0x640
[  473.092909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.098459]  ? check_preemption_disabled+0x48/0x280
[  473.103495]  ? __lock_is_held+0xb5/0x140
[  473.107566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.113112]  ? check_preemption_disabled+0x48/0x280
[  473.118140]  run_timer_softirq+0x52/0xb0
[  473.122207]  ? rcu_read_lock_sched_held+0x14f/0x180
[  473.127243]  __do_softirq+0x308/0xb7e
[  473.131070]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  473.136177]  ? irq_exit+0xbd/0x1c0
[  473.139742]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  473.144769]  ? smp_call_function_single_interrupt+0x650/0x650
[  473.150658]  ? ret_from_intr+0xb/0x1e
[  473.154471]  ? trace_hardirqs_off_caller+0xbb/0x310
[  473.159506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.164366]  ? trace_hardirqs_on_caller+0x310/0x310
[  473.169407]  ? task_prio+0x50/0x50
[  473.172957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.178517]  ? check_preemption_disabled+0x48/0x280
[  473.183553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.188413]  ? neigh_periodic_work+0x6bd/0xc60
[  473.193011]  do_softirq_own_stack+0x2a/0x40
[  473.197339]  </IRQ>
[  473.199614]  do_softirq.part.14+0x126/0x160
[  473.203941]  __local_bh_enable_ip+0x21d/0x260
[  473.208455]  _raw_write_unlock_bh+0x30/0x40
[  473.212797]  neigh_periodic_work+0x6bd/0xc60
[  473.217228]  ? neigh_table_clear+0x390/0x390
[  473.221656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.227210]  ? check_preemption_disabled+0x48/0x280
[  473.232256]  ? __lock_is_held+0xb5/0x140
[  473.236345]  process_one_work+0xc90/0x1c40
[  473.240587]  ? mark_held_locks+0x130/0x130
[  473.244846]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  473.249525]  ? __switch_to_asm+0x40/0x70
[  473.253607]  ? __switch_to_asm+0x40/0x70
[  473.257685]  ? __switch_to_asm+0x34/0x70
[  473.261774]  ? __switch_to_asm+0x40/0x70
[  473.265861]  ? __switch_to_asm+0x34/0x70
[  473.269967]  ? __switch_to_asm+0x40/0x70
[  473.274064]  ? __switch_to_asm+0x34/0x70
[  473.278143]  ? __switch_to_asm+0x40/0x70
[  473.282265]  ? __schedule+0x8d7/0x21d0
[  473.286173]  ? trace_hardirqs_off_caller+0xbb/0x310
[  473.291218]  ? lock_downgrade+0x900/0x900
[  473.295389]  ? zap_class+0x640/0x640
[  473.299112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.303994]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  473.308599]  ? lock_acquire+0x1ed/0x520
[  473.312580]  ? worker_thread+0x3e0/0x1390
[  473.316765]  ? kasan_check_read+0x11/0x20
[  473.320924]  ? do_raw_spin_lock+0x14f/0x350
[  473.325255]  ? kasan_check_read+0x11/0x20
[  473.329409]  ? rwlock_bug.part.2+0x90/0x90
[  473.333648]  ? trace_hardirqs_on+0x310/0x310
[  473.338084]  worker_thread+0x17f/0x1390
[  473.342068]  ? __switch_to_asm+0x34/0x70
[  473.346174]  ? process_one_work+0x1c40/0x1c40
[  473.350687]  ? zap_class+0x640/0x640
[  473.354418]  ? find_held_lock+0x36/0x1c0
[  473.358511]  ? __kthread_parkme+0xce/0x1a0
[  473.362752]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  473.367863]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  473.373001]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  473.377594]  ? trace_hardirqs_on+0xbd/0x310
[  473.381922]  ? kasan_check_read+0x11/0x20
[  473.386105]  ? __kthread_parkme+0xce/0x1a0
[  473.390350]  ? trace_hardirqs_off_caller+0x310/0x310
[  473.395462]  ? trace_hardirqs_off_caller+0x310/0x310
[  473.400585]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  473.405714]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.411266]  ? __kthread_parkme+0xfb/0x1a0
[  473.415516]  ? process_one_work+0x1c40/0x1c40
[  473.420018]  kthread+0x35a/0x440
[  473.423392]  ? kthread_stop+0x900/0x900
[  473.427374]  ret_from_fork+0x3a/0x50
[  473.431116] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  473.431123] warn_alloc_show_mem: 1 callbacks suppressed
[  473.431130] Mem-Info:
[  473.438499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  473.438515] Call Trace:
[  473.443898] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  473.443898]  active_file:16 inactive_file:3 isolated_file:0
[  473.443898]  unevictable:0 dirty:0 writeback:0 unstable:0
[  473.443898]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  473.443898]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  473.443898]  free:13690 free_pcp:879 free_cma:0
[  473.446279]  <IRQ>
[  473.455655] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  473.458254]  dump_stack+0x244/0x39d
[  473.491250] 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
[  473.493425]  ? dump_stack_print_info.cold.1+0x20/0x20
[  473.521257] lowmem_reserve[]: 0 2818 6321 6321
[  473.524914]  warn_alloc.cold.116+0xb7/0x1bd
[  473.551043] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  473.556255]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  473.560811] lowmem_reserve[]: 0 0 3503 3503
[  473.565141]  ? lock_downgrade+0x900/0x900
[  473.592720] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  473.597590]  ? trace_hardirqs_off+0xb8/0x310
[  473.601877] lowmem_reserve[]: 0 0 0 0
[  473.606037]  ? trace_hardirqs_off+0xb8/0x310
[  473.635353] 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
[  473.639788]  __alloc_pages_slowpath+0x26e8/0x2e10
[  473.643552] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  473.647988]  ? warn_alloc+0x120/0x120
[  473.661507] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  473.666366]  ? warn_alloc+0x120/0x120
[  473.681623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  473.685436]  ? warn_alloc+0x120/0x120
[  473.699388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  473.703198]  ? print_usage_bug+0xc0/0xc0
[  473.712014] 4380 total pagecache pages
[  473.715824]  ? __lock_acquire+0x62f/0x4c20
[  473.724384] 0 pages in swap cache
[  473.728452]  ? print_usage_bug+0xc0/0xc0
[  473.732313] Swap cache stats: add 0, delete 0, find 0/0
[  473.736546]  ? print_usage_bug+0xc0/0xc0
[  473.739982] Free swap  = 0kB
[  473.744042]  ? rcu_softirq_qs+0x20/0x20
[  473.749381] Total swap = 0kB
[  473.749390] 1965979 pages RAM
[  473.753457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.756449] 0 pages HighMem/MovableOnly
[  473.760424]  ? should_fail+0x22d/0xd01
[  473.763422] 342854 pages reserved
[  473.766530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  473.772040] 0 pages cma reserved
[  473.772129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  473.776026]  ? __lock_acquire+0x62f/0x4c20
[  473.780064] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  473.783343]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  473.788428] kworker/0:2 cpuset=/ mems_allowed=0
[  473.791792]  ? __lock_acquire+0x62f/0x4c20
[  473.791809]  ? should_fail+0x22d/0xd01
[  473.830692]  ? mark_held_locks+0x130/0x130
[  473.834936]  ? mark_held_locks+0x130/0x130
[  473.839187]  ? zap_class+0x640/0x640
[  473.842905]  ? print_usage_bug+0xc0/0xc0
[  473.846973]  ? zap_class+0x640/0x640
[  473.850695]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  473.855839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.861391]  ? check_preemption_disabled+0x48/0x280
[  473.866424]  ? __lock_is_held+0xb5/0x140
[  473.870498]  __alloc_pages_nodemask+0xa80/0xde0
[  473.875176]  ? zap_class+0x640/0x640
[  473.878904]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  473.883965]  ? find_held_lock+0x36/0x1c0
[  473.888049]  ? ____cache_alloc_node+0x1c7/0x1e0
[  473.892733]  ? lock_downgrade+0x900/0x900
[  473.896903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.902467]  cache_grow_begin+0xa5/0x8c0
[  473.906561]  ? do_raw_spin_unlock+0xa7/0x330
[  473.910990]  fallback_alloc+0x204/0x2e0
[  473.914980]  ____cache_alloc_node+0x1c7/0x1e0
[  473.919486]  kmem_cache_alloc_node+0xe3/0x730
[  473.923991]  ? ipv6_get_ifaddr+0x42e/0x620
[  473.928259]  __alloc_skb+0x119/0x770
[  473.931980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  473.937265]  ? netdev_alloc_frag+0x1f0/0x1f0
[  473.941682]  ? lock_downgrade+0x900/0x900
[  473.945841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.951384]  ? refcount_sub_and_test_checked+0x203/0x310
[  473.956844]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  473.962305]  ? addrconf_rs_timer+0x690/0x690
[  473.966731]  ndisc_alloc_skb+0x144/0x340
[  473.970824]  ndisc_send_rs+0x331/0x6e0
[  473.974719]  addrconf_rs_timer+0x314/0x690
[  473.978990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.983243]  call_timer_fn+0x272/0x920
[  473.987137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.991375]  ? process_timeout+0x40/0x40
[  473.995447]  ? __run_timers+0x7da/0xc70
[  473.999427]  ? _raw_spin_unlock_irq+0x27/0x80
[  474.003922]  ? _raw_spin_unlock_irq+0x27/0x80
[  474.008419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  474.013126]  ? lockdep_hardirqs_on+0x296/0x5b0
[  474.017715]  ? trace_hardirqs_on+0xbd/0x310
[  474.022045]  ? kasan_check_read+0x11/0x20
[  474.026210]  ? __run_timers+0x7da/0xc70
[  474.030191]  ? trace_hardirqs_off_caller+0x310/0x310
[  474.035311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  474.039551]  __run_timers+0x7e5/0xc70
[  474.043367]  ? timer_fixup_init+0x70/0x70
[  474.047524]  ? lock_acquire+0x1ed/0x520
[  474.051504]  ? zap_class+0x640/0x640
[  474.055226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.060782]  ? kasan_check_read+0x11/0x20
[  474.064934]  ? do_raw_spin_lock+0x14f/0x350
[  474.069271]  ? find_held_lock+0x36/0x1c0
[  474.073341]  ? zap_class+0x640/0x640
[  474.077061]  ? pvclock_read_flags+0x160/0x160
[  474.081562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.087106]  ? check_preemption_disabled+0x48/0x280
[  474.092139]  ? __lock_is_held+0xb5/0x140
[  474.096205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.101753]  ? check_preemption_disabled+0x48/0x280
[  474.106782]  run_timer_softirq+0x52/0xb0
[  474.110850]  ? rcu_read_lock_sched_held+0x14f/0x180
[  474.115873]  __do_softirq+0x308/0xb7e
[  474.119697]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  474.124209]  ? lock_downgrade+0x900/0x900
[  474.128364]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  474.133497]  ? pvclock_read_flags+0x160/0x160
[  474.138003]  ? lapic_next_event+0x5a/0x90
[  474.142168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.147715]  ? kvm_clock_read+0x18/0x30
[  474.151692]  ? kvm_sched_clock_read+0x9/0x20
[  474.156113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.161657]  ? check_preemption_disabled+0x48/0x280
[  474.166711]  irq_exit+0x17f/0x1c0
[  474.170189]  smp_apic_timer_interrupt+0x1cb/0x760
[  474.175046]  ? smp_reschedule_interrupt+0x109/0x650
[  474.180070]  ? smp_call_function_single_interrupt+0x650/0x650
[  474.185958]  ? interrupt_entry+0xb5/0xc0
[  474.190032]  ? trace_hardirqs_off_caller+0xbb/0x310
[  474.195064]  ? trace_hardirqs_off_caller+0xbb/0x310
[  474.200090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  474.204941]  ? trace_hardirqs_on_caller+0x310/0x310
[  474.209971]  ? trace_hardirqs_on_caller+0x310/0x310
[  474.215008]  ? task_prio+0x50/0x50
[  474.218554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.224098]  ? check_preemption_disabled+0x48/0x280
[  474.229135]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  474.233997]  apic_timer_interrupt+0xf/0x20
[  474.238227]  </IRQ>
[  474.240470] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  474.245402] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  474.264322] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  474.272034] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  474.279319] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  474.286590] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  474.294036] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  474.301319] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  474.308645]  skb_clone+0x1bb/0x500
[  474.312192]  ? finish_task_switch+0x1b4/0x910
[  474.316692]  ? skb_split+0x11e0/0x11e0
[  474.320583]  ? preempt_notifier_register+0x200/0x200
[  474.325687]  ? __switch_to_asm+0x34/0x70
[  474.329757]  ? __switch_to_asm+0x34/0x70
[  474.333818]  ? __switch_to_asm+0x40/0x70
[  474.337880]  ? __switch_to_asm+0x34/0x70
[  474.341951]  ? __switch_to_asm+0x40/0x70
[  474.346017]  ? __switch_to_asm+0x34/0x70
[  474.350099]  ? __switch_to_asm+0x40/0x70
[  474.354155]  ? __switch_to_asm+0x34/0x70
[  474.358219]  ? __switch_to_asm+0x34/0x70
[  474.362278]  ? __switch_to_asm+0x40/0x70
[  474.366341]  ? __switch_to_asm+0x34/0x70
[  474.370413]  bpf_clone_redirect+0xb9/0x490
[  474.374654]  ? __schedule+0x8d7/0x21d0
[  474.378558]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  474.383578]  ? __sched_text_start+0x8/0x8
[  474.387744]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  474.392330]  ? retint_kernel+0x2d/0x2d
[  474.396223]  ? trace_hardirqs_on_caller+0xc0/0x310
[  474.401164]  ? find_held_lock+0x36/0x1c0
[  474.405238]  ? lock_acquire+0x1ed/0x520
[  474.409215]  ? bpf_test_run+0x3cb/0x780
[  474.413194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.418743]  ? check_preemption_disabled+0x48/0x280
[  474.423772]  ? kasan_check_read+0x11/0x20
[  474.427923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  474.433202]  ? rcu_softirq_qs+0x20/0x20
[  474.437182]  ? preempt_schedule+0x4d/0x60
[  474.441334]  ? ___preempt_schedule+0x16/0x18
[  474.445762]  ? bpf_test_run+0x25d/0x780
[  474.449783]  ? netlink_diag_dump+0x2a0/0x2a0
[  474.454199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.459752]  ? bpf_test_init.isra.10+0x70/0x100
[  474.464452]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  474.469225]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  474.474070]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  474.479614]  ? fput+0x130/0x1a0
[  474.482899]  ? __bpf_prog_get+0x9b/0x290
[  474.486968]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  474.491820]  ? bpf_prog_test_run+0x130/0x1a0
[  474.496248]  ? __x64_sys_bpf+0x3d8/0x520
[  474.500315]  ? bpf_prog_get+0x20/0x20
[  474.504142]  ? do_syscall_64+0x1b9/0x820
[  474.508210]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  474.513578]  ? syscall_return_slowpath+0x5e0/0x5e0
[  474.518509]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  474.523376]  ? trace_hardirqs_on_caller+0x310/0x310
[  474.528398]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  474.533421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.538959]  ? prepare_exit_to_usermode+0x291/0x3b0
[  474.544000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  474.548855]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  474.554255] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  474.554389] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  474.561380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  474.561404] Workqueue: events_power_efficient neigh_periodic_work
[  474.561411] Call Trace:
[  474.561423]  <IRQ>
[  474.568017] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  474.577302]  dump_stack+0x244/0x39d
[  474.583525] syz-executor1 cpuset=syz1 mems_allowed=0
[  474.586126]  ? dump_stack_print_info.cold.1+0x20/0x20
[  474.612633]  warn_alloc.cold.116+0xb7/0x1bd
[  474.616961]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  474.621837]  ? lock_downgrade+0x900/0x900
[  474.626005]  ? trace_hardirqs_off+0xb8/0x310
[  474.630450]  ? trace_hardirqs_off+0xb8/0x310
[  474.634875]  __alloc_pages_slowpath+0x26e8/0x2e10
[  474.639749]  ? warn_alloc+0x120/0x120
[  474.643562]  ? warn_alloc+0x120/0x120
[  474.647375]  ? warn_alloc+0x120/0x120
[  474.651182]  ? print_usage_bug+0xc0/0xc0
[  474.655259]  ? print_usage_bug+0xc0/0xc0
[  474.659335]  ? find_held_lock+0x36/0x1c0
[  474.663401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.668941]  ? should_fail+0x22d/0xd01
[  474.672835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  474.677941]  ? __lock_acquire+0x62f/0x4c20
[  474.682184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  474.687291]  ? __lock_acquire+0x62f/0x4c20
[  474.691525]  ? should_fail+0x22d/0xd01
[  474.695412]  ? print_usage_bug+0xc0/0xc0
[  474.699489]  ? mark_held_locks+0x130/0x130
[  474.703731]  ? mark_held_locks+0x130/0x130
[  474.707987]  ? update_stack_state+0x1a5/0x690
[  474.712495]  ? zap_class+0x640/0x640
[  474.716209]  ? ret_from_fork+0x3a/0x50
[  474.720114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.725660]  ? check_preemption_disabled+0x48/0x280
[  474.730709]  ? __lock_is_held+0xb5/0x140
[  474.734786]  __alloc_pages_nodemask+0xa80/0xde0
[  474.739471]  ? zap_class+0x640/0x640
[  474.743193]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  474.748222]  ? find_held_lock+0x36/0x1c0
[  474.752304]  ? ____cache_alloc_node+0x1c7/0x1e0
[  474.756978]  ? lock_downgrade+0x900/0x900
[  474.761138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.766687]  cache_grow_begin+0xa5/0x8c0
[  474.770770]  ? do_raw_spin_unlock+0xa7/0x330
[  474.775188]  fallback_alloc+0x204/0x2e0
[  474.779196]  ____cache_alloc_node+0x1c7/0x1e0
[  474.783705]  kmem_cache_alloc_node+0xe3/0x730
[  474.788209]  ? mark_held_locks+0xc7/0x130
[  474.792379]  __alloc_skb+0x119/0x770
[  474.796102]  ? netdev_alloc_frag+0x1f0/0x1f0
[  474.800512]  ? do_raw_spin_trylock+0x270/0x270
[  474.805109]  ? kmem_cache_alloc_trace+0x353/0x750
[  474.809978]  ? queue_work_on+0x12c/0x1e0
[  474.814065]  ? switchdev_port_obj_del+0xdc/0x440
[  474.818826]  ? switchdev_trans_item_enqueue+0x260/0x260
[  474.824196]  ? __queue_work+0x671/0x1440
[  474.828284]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  474.833317]  __br_mdb_notify+0x4ff/0x15d0
[  474.837481]  ? __br_mdb_add+0x7f0/0x7f0
[  474.841469]  ? zap_class+0x640/0x640
[  474.845196]  ? br_multicast_group_expired+0x96/0x610
[  474.850327]  br_mdb_notify+0x310/0x410
[  474.854219]  ? br_mdb_dump+0x27b0/0x27b0
[  474.858297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.863860]  br_multicast_group_expired+0x1bc/0x610
[  474.868885]  ? br_mdb_free+0x80/0x80
[  474.872615]  call_timer_fn+0x272/0x920
[  474.876506]  ? br_mdb_free+0x80/0x80
[  474.880221]  ? process_timeout+0x40/0x40
[  474.884304]  ? mark_held_locks+0xc7/0x130
[  474.888457]  ? _raw_spin_unlock_irq+0x27/0x80
[  474.892976]  ? _raw_spin_unlock_irq+0x27/0x80
[  474.897472]  ? br_mdb_free+0x80/0x80
[  474.901190]  ? lockdep_hardirqs_on+0x296/0x5b0
[  474.906390]  ? trace_hardirqs_on+0xbd/0x310
[  474.910715]  ? kasan_check_read+0x11/0x20
[  474.914873]  ? __run_timers+0x7da/0xc70
[  474.918854]  ? trace_hardirqs_off_caller+0x310/0x310
[  474.923978]  ? br_mdb_free+0x80/0x80
[  474.927698]  __run_timers+0x7e5/0xc70
[  474.931602]  ? timer_fixup_init+0x70/0x70
[  474.935755]  ? lock_downgrade+0x900/0x900
[  474.939903]  ? zap_class+0x640/0x640
[  474.943632]  ? print_usage_bug+0xc0/0xc0
[  474.947703]  ? trace_hardirqs_on+0x310/0x310
[  474.952125]  ? kvm_clock_read+0x18/0x30
[  474.956108]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  474.961127]  ? ktime_get+0x2c1/0x400
[  474.965133]  ? zap_class+0x640/0x640
[  474.968856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.974400]  ? check_preemption_disabled+0x48/0x280
[  474.979432]  ? __lock_is_held+0xb5/0x140
[  474.983496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.989037]  ? check_preemption_disabled+0x48/0x280
[  474.994065]  run_timer_softirq+0x52/0xb0
[  474.998135]  ? rcu_read_lock_sched_held+0x14f/0x180
[  475.003154]  __do_softirq+0x308/0xb7e
[  475.006969]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  475.012075]  ? irq_exit+0xbd/0x1c0
[  475.015620]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  475.020639]  ? smp_call_function_single_interrupt+0x650/0x650
[  475.026530]  ? ret_from_intr+0xb/0x1e
[  475.030338]  ? trace_hardirqs_off_caller+0xbb/0x310
[  475.035360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.040235]  ? trace_hardirqs_on_caller+0x310/0x310
[  475.045272]  ? task_prio+0x50/0x50
[  475.048818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.054360]  ? check_preemption_disabled+0x48/0x280
[  475.059391]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.064248]  ? neigh_periodic_work+0x6bd/0xc60
[  475.068838]  do_softirq_own_stack+0x2a/0x40
[  475.073166]  </IRQ>
[  475.075412]  do_softirq.part.14+0x126/0x160
[  475.079742]  __local_bh_enable_ip+0x21d/0x260
[  475.084252]  _raw_write_unlock_bh+0x30/0x40
[  475.088583]  neigh_periodic_work+0x6bd/0xc60
[  475.093008]  ? neigh_table_clear+0x390/0x390
[  475.097428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.102982]  ? check_preemption_disabled+0x48/0x280
[  475.108028]  ? __lock_is_held+0xb5/0x140
[  475.112119]  process_one_work+0xc90/0x1c40
[  475.116368]  ? mark_held_locks+0x130/0x130
[  475.120626]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  475.125309]  ? __switch_to_asm+0x40/0x70
[  475.129384]  ? __switch_to_asm+0x40/0x70
[  475.133452]  ? __switch_to_asm+0x34/0x70
[  475.137519]  ? __switch_to_asm+0x40/0x70
[  475.141588]  ? __switch_to_asm+0x34/0x70
[  475.145658]  ? __switch_to_asm+0x40/0x70
[  475.149720]  ? __switch_to_asm+0x34/0x70
[  475.153793]  ? __switch_to_asm+0x40/0x70
[  475.157880]  ? __schedule+0x8d7/0x21d0
[  475.161783]  ? trace_hardirqs_off_caller+0xbb/0x310
[  475.166835]  ? lock_downgrade+0x900/0x900
[  475.171001]  ? zap_class+0x640/0x640
[  475.174727]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.179599]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  475.184211]  ? lock_acquire+0x1ed/0x520
[  475.188195]  ? worker_thread+0x3e0/0x1390
[  475.192361]  ? kasan_check_read+0x11/0x20
[  475.196518]  ? do_raw_spin_lock+0x14f/0x350
[  475.200862]  ? kasan_check_read+0x11/0x20
[  475.205028]  ? rwlock_bug.part.2+0x90/0x90
[  475.209271]  ? trace_hardirqs_on+0x310/0x310
[  475.213721]  worker_thread+0x17f/0x1390
[  475.217701]  ? __switch_to_asm+0x34/0x70
[  475.221858]  ? process_one_work+0x1c40/0x1c40
[  475.226370]  ? zap_class+0x640/0x640
[  475.230088]  ? find_held_lock+0x36/0x1c0
[  475.234182]  ? __kthread_parkme+0xce/0x1a0
[  475.238425]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  475.243537]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  475.248647]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  475.253236]  ? trace_hardirqs_on+0xbd/0x310
[  475.257579]  ? kasan_check_read+0x11/0x20
[  475.261739]  ? __kthread_parkme+0xce/0x1a0
[  475.265979]  ? trace_hardirqs_off_caller+0x310/0x310
[  475.271092]  ? trace_hardirqs_off_caller+0x310/0x310
[  475.276210]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  475.281336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.286889]  ? __kthread_parkme+0xfb/0x1a0
[  475.291156]  ? process_one_work+0x1c40/0x1c40
[  475.295656]  kthread+0x35a/0x440
[  475.299030]  ? kthread_stop+0x900/0x900
[  475.303019]  ret_from_fork+0x3a/0x50
[  475.306749] warn_alloc_show_mem: 1 callbacks suppressed
[  475.306762] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  475.306764] Mem-Info:
[  475.306795] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  475.306795]  active_file:16 inactive_file:3 isolated_file:0
[  475.306795]  unevictable:0 dirty:0 writeback:0 unstable:0
[  475.306795]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  475.306795]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  475.306795]  free:13690 free_pcp:879 free_cma:0
[  475.312154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  475.312162] Call Trace:
[  475.319534] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  475.321958]  <IRQ>
[  475.354950] 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
[  475.364383]  dump_stack+0x244/0x39d
[  475.366958] lowmem_reserve[]: 0 2818 6321 6321
[  475.394854]  ? dump_stack_print_info.cold.1+0x20/0x20
[  475.396998] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  475.423141]  warn_alloc.cold.116+0xb7/0x1bd
[  475.426750] lowmem_reserve[]: 0 0 3503 3503
[  475.431334]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  475.436504] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  475.464119]  ? lock_downgrade+0x900/0x900
[  475.468422] lowmem_reserve[]: 0 0 0 0
[  475.472786]  ? trace_hardirqs_off+0xb8/0x310
[  475.477605] 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
[  475.506956]  ? trace_hardirqs_off+0xb8/0x310
[  475.511080] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  475.514895]  __alloc_pages_slowpath+0x26e8/0x2e10
[  475.519307] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  475.532880]  ? warn_alloc+0x120/0x120
[  475.537274] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  475.552552]  ? print_usage_bug+0xc0/0xc0
[  475.557381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  475.571358]  ? warn_alloc+0x120/0x120
[  475.575138] 4380 total pagecache pages
[  475.583978]  ? warn_alloc+0x120/0x120
[  475.588032] 0 pages in swap cache
[  475.596608]  ? print_usage_bug+0xc0/0xc0
[  475.600392] Swap cache stats: add 0, delete 0, find 0/0
[  475.604276]  ? kvm_clock_read+0x18/0x30
[  475.608055] Free swap  = 0kB
[  475.611513]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  475.615586] Total swap = 0kB
[  475.620950]  ? print_usage_bug+0xc0/0xc0
[  475.624903] 1965979 pages RAM
[  475.627924]  ? __lock_acquire+0x62f/0x4c20
[  475.632914] 0 pages HighMem/MovableOnly
[  475.632924] 342854 pages reserved
[  475.635949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.639992] 0 pages cma reserved
[  475.643096]  ? should_fail+0x22d/0xd01
[  475.647502] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  475.651307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  475.654780] kworker/0:2 cpuset=/ mems_allowed=0
[  475.660336]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  475.692918]  ? __lock_acquire+0x62f/0x4c20
[  475.697192]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  475.702321]  ? __lock_acquire+0x62f/0x4c20
[  475.706555]  ? should_fail+0x22d/0xd01
[  475.710442]  ? rcu_irq_exit+0x1a2/0x390
[  475.714429]  ? mark_held_locks+0x130/0x130
[  475.718670]  ? mark_held_locks+0x130/0x130
[  475.722917]  ? mark_held_locks+0xc7/0x130
[  475.727083]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  475.732100]  ? zap_class+0x640/0x640
[  475.735819]  ? print_usage_bug+0xc0/0xc0
[  475.739889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.745433]  ? check_preemption_disabled+0x48/0x280
[  475.750465]  ? __lock_is_held+0xb5/0x140
[  475.754542]  __alloc_pages_nodemask+0xa80/0xde0
[  475.759216]  ? zap_class+0x640/0x640
[  475.762941]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  475.767997]  ? find_held_lock+0x36/0x1c0
[  475.772078]  ? ____cache_alloc_node+0x1c7/0x1e0
[  475.776761]  ? lock_downgrade+0x900/0x900
[  475.780920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.786489]  cache_grow_begin+0xa5/0x8c0
[  475.790555]  ? do_raw_spin_unlock+0xa7/0x330
[  475.794972]  fallback_alloc+0x204/0x2e0
[  475.798958]  ____cache_alloc_node+0x1c7/0x1e0
[  475.803463]  kmem_cache_alloc_node+0xe3/0x730
[  475.807963]  ? ipv6_get_ifaddr+0x42e/0x620
[  475.812229]  __alloc_skb+0x119/0x770
[  475.815972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  475.821254]  ? netdev_alloc_frag+0x1f0/0x1f0
[  475.825677]  ? lock_downgrade+0x900/0x900
[  475.829854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.835415]  ? refcount_sub_and_test_checked+0x203/0x310
[  475.840900]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  475.846359]  ? addrconf_rs_timer+0x690/0x690
[  475.850792]  ndisc_alloc_skb+0x144/0x340
[  475.854882]  ndisc_send_rs+0x331/0x6e0
[  475.858798]  addrconf_rs_timer+0x314/0x690
[  475.863060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.867319]  call_timer_fn+0x272/0x920
[  475.871223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.875473]  ? process_timeout+0x40/0x40
[  475.879552]  ? __run_timers+0x7da/0xc70
[  475.883537]  ? _raw_spin_unlock_irq+0x27/0x80
[  475.888038]  ? _raw_spin_unlock_irq+0x27/0x80
[  475.892546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.896791]  ? lockdep_hardirqs_on+0x296/0x5b0
[  475.901384]  ? trace_hardirqs_on+0xbd/0x310
[  475.905712]  ? kasan_check_read+0x11/0x20
[  475.909870]  ? __run_timers+0x7da/0xc70
[  475.913853]  ? trace_hardirqs_off_caller+0x310/0x310
[  475.918965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.923232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.927468]  __run_timers+0x7e5/0xc70
[  475.931287]  ? timer_fixup_init+0x70/0x70
[  475.935446]  ? lock_acquire+0x1ed/0x520
[  475.939425]  ? zap_class+0x640/0x640
[  475.943149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.948704]  ? kasan_check_read+0x11/0x20
[  475.952856]  ? do_raw_spin_lock+0x14f/0x350
[  475.957186]  ? find_held_lock+0x36/0x1c0
[  475.961253]  ? zap_class+0x640/0x640
[  475.964978]  ? pvclock_read_flags+0x160/0x160
[  475.969482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.975053]  ? check_preemption_disabled+0x48/0x280
[  475.980087]  ? __lock_is_held+0xb5/0x140
[  475.984153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.989693]  ? check_preemption_disabled+0x48/0x280
[  475.994719]  run_timer_softirq+0x52/0xb0
[  475.998793]  ? rcu_read_lock_sched_held+0x14f/0x180
[  476.003812]  __do_softirq+0x308/0xb7e
[  476.007633]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  476.012600]  ? lock_downgrade+0x900/0x900
[  476.016763]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  476.021878]  ? pvclock_read_flags+0x160/0x160
[  476.026385]  ? lapic_next_event+0x5a/0x90
[  476.030540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.036088]  ? kvm_clock_read+0x18/0x30
[  476.040073]  ? kvm_sched_clock_read+0x9/0x20
[  476.044490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.050036]  ? check_preemption_disabled+0x48/0x280
[  476.055069]  irq_exit+0x17f/0x1c0
[  476.059201]  smp_apic_timer_interrupt+0x1cb/0x760
[  476.064060]  ? smp_reschedule_interrupt+0x109/0x650
[  476.069085]  ? smp_call_function_single_interrupt+0x650/0x650
[  476.074972]  ? interrupt_entry+0xb5/0xc0
[  476.079047]  ? trace_hardirqs_off_caller+0xbb/0x310
[  476.084064]  ? trace_hardirqs_off_caller+0xbb/0x310
[  476.089086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.093944]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.098967]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.104008]  ? task_prio+0x50/0x50
[  476.107563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.113108]  ? check_preemption_disabled+0x48/0x280
[  476.118137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.123001]  apic_timer_interrupt+0xf/0x20
[  476.127232]  </IRQ>
[  476.129477] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  476.134412] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  476.153320] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  476.161034] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  476.168303] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  476.175572] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  476.182841] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  476.190114] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  476.197438]  skb_clone+0x1bb/0x500
[  476.200992]  ? finish_task_switch+0x1b4/0x910
[  476.205496]  ? skb_split+0x11e0/0x11e0
[  476.209390]  ? preempt_notifier_register+0x200/0x200
[  476.214495]  ? __switch_to_asm+0x34/0x70
[  476.218559]  ? __switch_to_asm+0x34/0x70
[  476.222620]  ? __switch_to_asm+0x40/0x70
[  476.226682]  ? __switch_to_asm+0x34/0x70
[  476.230771]  ? __switch_to_asm+0x40/0x70
[  476.234830]  ? __switch_to_asm+0x34/0x70
[  476.238891]  ? __switch_to_asm+0x40/0x70
[  476.242955]  ? __switch_to_asm+0x34/0x70
[  476.247030]  ? __switch_to_asm+0x34/0x70
[  476.251091]  ? __switch_to_asm+0x40/0x70
[  476.255155]  ? __switch_to_asm+0x34/0x70
[  476.259225]  bpf_clone_redirect+0xb9/0x490
[  476.263466]  ? __schedule+0x8d7/0x21d0
[  476.267366]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  476.272389]  ? __sched_text_start+0x8/0x8
[  476.276549]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  476.281139]  ? retint_kernel+0x2d/0x2d
[  476.285032]  ? trace_hardirqs_on_caller+0xc0/0x310
[  476.289987]  ? find_held_lock+0x36/0x1c0
[  476.294076]  ? lock_acquire+0x1ed/0x520
[  476.298060]  ? bpf_test_run+0x3cb/0x780
[  476.302041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.307586]  ? check_preemption_disabled+0x48/0x280
[  476.312612]  ? kasan_check_read+0x11/0x20
[  476.316765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.322063]  ? rcu_softirq_qs+0x20/0x20
[  476.326047]  ? preempt_schedule+0x4d/0x60
[  476.330200]  ? ___preempt_schedule+0x16/0x18
[  476.334632]  ? bpf_test_run+0x25d/0x780
[  476.338626]  ? netlink_diag_dump+0x2a0/0x2a0
[  476.343044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.348583]  ? bpf_test_init.isra.10+0x70/0x100
[  476.353263]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  476.358034]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  476.362881]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  476.368427]  ? fput+0x130/0x1a0
[  476.371710]  ? __bpf_prog_get+0x9b/0x290
[  476.375799]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  476.380657]  ? bpf_prog_test_run+0x130/0x1a0
[  476.385073]  ? __x64_sys_bpf+0x3d8/0x520
[  476.389138]  ? bpf_prog_get+0x20/0x20
[  476.392971]  ? do_syscall_64+0x1b9/0x820
[  476.397049]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  476.402420]  ? syscall_return_slowpath+0x5e0/0x5e0
[  476.407355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.412206]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.417228]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  476.422249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.427793]  ? prepare_exit_to_usermode+0x291/0x3b0
[  476.432819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.437675]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  476.443062] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  476.443152] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  476.450175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  476.450198] Workqueue: events_power_efficient neigh_periodic_work
[  476.450205] Call Trace:
[  476.450213]  <IRQ>
[  476.450233]  dump_stack+0x244/0x39d
[  476.456805] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  476.466094]  ? dump_stack_print_info.cold.1+0x20/0x20
[  476.472314] syz-executor1 cpuset=syz1 mems_allowed=0
[  476.474933]  warn_alloc.cold.116+0xb7/0x1bd
[  476.505742]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  476.510598]  ? lock_downgrade+0x900/0x900
[  476.514760]  ? trace_hardirqs_off+0xb8/0x310
[  476.519187]  ? trace_hardirqs_off+0xb8/0x310
[  476.523616]  __alloc_pages_slowpath+0x26e8/0x2e10
[  476.528510]  ? warn_alloc+0x120/0x120
[  476.532324]  ? warn_alloc+0x120/0x120
[  476.536137]  ? warn_alloc+0x120/0x120
[  476.539949]  ? print_usage_bug+0xc0/0xc0
[  476.544020]  ? print_usage_bug+0xc0/0xc0
[  476.548089]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  476.553296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.558838]  ? should_fail+0x22d/0xd01
[  476.562738]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.567852]  ? __lock_acquire+0x62f/0x4c20
[  476.572103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.577259]  ? __lock_acquire+0x62f/0x4c20
[  476.581501]  ? should_fail+0x22d/0xd01
[  476.585426]  ? mark_held_locks+0x130/0x130
[  476.589675]  ? mark_held_locks+0x130/0x130
[  476.593923]  ? update_stack_state+0x1a5/0x690
[  476.598435]  ? zap_class+0x640/0x640
[  476.602153]  ? ret_from_fork+0x3a/0x50
[  476.606052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.611600]  ? check_preemption_disabled+0x48/0x280
[  476.616656]  ? __lock_is_held+0xb5/0x140
[  476.620729]  __alloc_pages_nodemask+0xa80/0xde0
[  476.625404]  ? zap_class+0x640/0x640
[  476.629128]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  476.634169]  ? find_held_lock+0x36/0x1c0
[  476.638255]  ? ____cache_alloc_node+0x1c7/0x1e0
[  476.642950]  ? lock_downgrade+0x900/0x900
[  476.647116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.652671]  cache_grow_begin+0xa5/0x8c0
[  476.656740]  ? do_raw_spin_unlock+0xa7/0x330
[  476.661168]  fallback_alloc+0x204/0x2e0
[  476.665180]  ____cache_alloc_node+0x1c7/0x1e0
[  476.669690]  kmem_cache_alloc_node+0xe3/0x730
[  476.674192]  ? mark_held_locks+0xc7/0x130
[  476.678408]  __alloc_skb+0x119/0x770
[  476.682134]  ? netdev_alloc_frag+0x1f0/0x1f0
[  476.686546]  ? do_raw_spin_trylock+0x270/0x270
[  476.691139]  ? kmem_cache_alloc_trace+0x353/0x750
[  476.695989]  ? queue_work_on+0x12c/0x1e0
[  476.700062]  ? switchdev_port_obj_del+0xdc/0x440
[  476.704827]  ? switchdev_trans_item_enqueue+0x260/0x260
[  476.710208]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  476.715247]  __br_mdb_notify+0x4ff/0x15d0
[  476.719411]  ? __br_mdb_add+0x7f0/0x7f0
[  476.723402]  ? zap_class+0x640/0x640
[  476.727131]  ? br_multicast_group_expired+0x96/0x610
[  476.732249]  ? lock_downgrade+0x900/0x900
[  476.736414]  br_mdb_notify+0x310/0x410
[  476.740309]  ? br_mdb_dump+0x27b0/0x27b0
[  476.744387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.749944]  br_multicast_group_expired+0x1bc/0x610
[  476.754972]  ? br_mdb_free+0x80/0x80
[  476.758703]  call_timer_fn+0x272/0x920
[  476.762595]  ? br_mdb_free+0x80/0x80
[  476.766322]  ? process_timeout+0x40/0x40
[  476.770401]  ? mark_held_locks+0xc7/0x130
[  476.774563]  ? _raw_spin_unlock_irq+0x27/0x80
[  476.779062]  ? _raw_spin_unlock_irq+0x27/0x80
[  476.783561]  ? br_mdb_free+0x80/0x80
[  476.787283]  ? lockdep_hardirqs_on+0x296/0x5b0
[  476.791877]  ? trace_hardirqs_on+0xbd/0x310
[  476.796210]  ? kasan_check_read+0x11/0x20
[  476.800365]  ? __run_timers+0x7da/0xc70
[  476.804349]  ? trace_hardirqs_off_caller+0x310/0x310
[  476.809476]  ? br_mdb_free+0x80/0x80
[  476.813197]  __run_timers+0x7e5/0xc70
[  476.817036]  ? timer_fixup_init+0x70/0x70
[  476.821215]  ? lock_downgrade+0x900/0x900
[  476.825368]  ? zap_class+0x640/0x640
[  476.829094]  ? print_usage_bug+0xc0/0xc0
[  476.833179]  ? trace_hardirqs_on+0x310/0x310
[  476.837618]  ? kvm_clock_read+0x18/0x30
[  476.841601]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  476.846621]  ? ktime_get+0x2c1/0x400
[  476.850346]  ? zap_class+0x640/0x640
[  476.854076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.859623]  ? check_preemption_disabled+0x48/0x280
[  476.864657]  ? __lock_is_held+0xb5/0x140
[  476.868764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.874336]  ? check_preemption_disabled+0x48/0x280
[  476.879364]  run_timer_softirq+0x52/0xb0
[  476.883430]  ? rcu_read_lock_sched_held+0x14f/0x180
[  476.888456]  __do_softirq+0x308/0xb7e
[  476.892276]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  476.897387]  ? irq_exit+0xbd/0x1c0
[  476.900948]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  476.906497]  ? smp_call_function_single_interrupt+0x650/0x650
[  476.912411]  ? ret_from_intr+0xb/0x1e
[  476.916222]  ? trace_hardirqs_off_caller+0xbb/0x310
[  476.921255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.926107]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.931139]  ? task_prio+0x50/0x50
[  476.934683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.940228]  ? check_preemption_disabled+0x48/0x280
[  476.945266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.950135]  ? neigh_periodic_work+0x6bd/0xc60
[  476.954737]  do_softirq_own_stack+0x2a/0x40
[  476.959060]  </IRQ>
[  476.961304]  do_softirq.part.14+0x126/0x160
[  476.965631]  __local_bh_enable_ip+0x21d/0x260
[  476.970133]  _raw_write_unlock_bh+0x30/0x40
[  476.974464]  neigh_periodic_work+0x6bd/0xc60
[  476.978887]  ? neigh_table_clear+0x390/0x390
[  476.983306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.988849]  ? check_preemption_disabled+0x48/0x280
[  476.993880]  ? __lock_is_held+0xb5/0x140
[  476.997956]  process_one_work+0xc90/0x1c40
[  477.002200]  ? mark_held_locks+0x130/0x130
[  477.006450]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  477.011125]  ? __switch_to_asm+0x40/0x70
[  477.015195]  ? __switch_to_asm+0x40/0x70
[  477.019263]  ? __switch_to_asm+0x34/0x70
[  477.023324]  ? __switch_to_asm+0x40/0x70
[  477.027384]  ? __switch_to_asm+0x34/0x70
[  477.031449]  ? __switch_to_asm+0x40/0x70
[  477.035512]  ? __switch_to_asm+0x34/0x70
[  477.039578]  ? __switch_to_asm+0x40/0x70
[  477.043655]  ? __schedule+0x8d7/0x21d0
[  477.047547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  477.052578]  ? lock_downgrade+0x900/0x900
[  477.056734]  ? zap_class+0x640/0x640
[  477.060458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  477.065321]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  477.069945]  ? lock_acquire+0x1ed/0x520
[  477.073946]  ? worker_thread+0x3e0/0x1390
[  477.078125]  ? kasan_check_read+0x11/0x20
[  477.082278]  ? do_raw_spin_lock+0x14f/0x350
[  477.086604]  ? kasan_check_read+0x11/0x20
[  477.090756]  ? rwlock_bug.part.2+0x90/0x90
[  477.094999]  ? trace_hardirqs_on+0x310/0x310
[  477.099427]  worker_thread+0x17f/0x1390
[  477.103407]  ? __switch_to_asm+0x34/0x70
[  477.107491]  ? process_one_work+0x1c40/0x1c40
[  477.112008]  ? zap_class+0x640/0x640
[  477.115730]  ? find_held_lock+0x36/0x1c0
[  477.119822]  ? __kthread_parkme+0xce/0x1a0
[  477.124070]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  477.129177]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  477.134290]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  477.138884]  ? trace_hardirqs_on+0xbd/0x310
[  477.143212]  ? kasan_check_read+0x11/0x20
[  477.147399]  ? __kthread_parkme+0xce/0x1a0
[  477.151643]  ? trace_hardirqs_off_caller+0x310/0x310
[  477.156750]  ? trace_hardirqs_off_caller+0x310/0x310
[  477.161867]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  477.166984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.172534]  ? __kthread_parkme+0xfb/0x1a0
[  477.176783]  ? process_one_work+0x1c40/0x1c40
[  477.181286]  kthread+0x35a/0x440
[  477.184657]  ? kthread_stop+0x900/0x900
[  477.188637]  ret_from_fork+0x3a/0x50
[  477.192370] warn_alloc_show_mem: 1 callbacks suppressed
[  477.192383] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  477.192386] Mem-Info:
[  477.192417] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  477.192417]  active_file:16 inactive_file:3 isolated_file:0
[  477.192417]  unevictable:0 dirty:0 writeback:0 unstable:0
[  477.192417]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  477.192417]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  477.192417]  free:13690 free_pcp:879 free_cma:0
[  477.197769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  477.197779] Call Trace:
[  477.205172] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  477.207594]  <IRQ>
[  477.240561] 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
[  477.249939]  dump_stack+0x244/0x39d
[  477.252496] lowmem_reserve[]: 0 2818 6321 6321
[  477.280361]  ? dump_stack_print_info.cold.1+0x20/0x20
[  477.282494] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  477.308626]  warn_alloc.cold.116+0xb7/0x1bd
[  477.312222] lowmem_reserve[]: 0 0 3503 3503
[  477.316828]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  477.322005] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  477.349627]  ? lock_downgrade+0x900/0x900
[  477.353925] lowmem_reserve[]: 0 0 0 0
[  477.358262]  ? trace_hardirqs_off+0xb8/0x310
[  477.363095] 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
[  477.392450]  ? trace_hardirqs_off+0xb8/0x310
[  477.396576] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  477.400381]  __alloc_pages_slowpath+0x26e8/0x2e10
[  477.404765] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  477.418333]  ? warn_alloc+0x120/0x120
[  477.422703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  477.437962]  ? print_usage_bug+0xc0/0xc0
[  477.442794] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  477.456769]  ? warn_alloc+0x120/0x120
[  477.460550] 4380 total pagecache pages
[  477.469405]  ? warn_alloc+0x120/0x120
[  477.473472] 0 pages in swap cache
[  477.482046]  ? print_usage_bug+0xc0/0xc0
[  477.485822] Swap cache stats: add 0, delete 0, find 0/0
[  477.485832] Free swap  = 0kB
[  477.489718]  ? print_usage_bug+0xc0/0xc0
[  477.493496] Total swap = 0kB
[  477.496949]  ? __lock_acquire+0x62f/0x4c20
[  477.500995] 1965979 pages RAM
[  477.506359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.509348] 0 pages HighMem/MovableOnly
[  477.509357] 342854 pages reserved
[  477.513423]  ? should_fail+0x22d/0xd01
[  477.516417] 0 pages cma reserved
[  477.516601] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  477.520662]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  477.523755] kworker/0:2 cpuset=/ mems_allowed=0
[  477.529309]  ? __lock_acquire+0x62f/0x4c20
[  477.568294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  477.573401]  ? __lock_acquire+0x62f/0x4c20
[  477.577639]  ? should_fail+0x22d/0xd01
[  477.581532]  ? find_held_lock+0x36/0x1c0
[  477.585606]  ? mark_held_locks+0x130/0x130
[  477.589847]  ? mark_held_locks+0x130/0x130
[  477.594082]  ? zap_class+0x640/0x640
[  477.597799]  ? zap_class+0x640/0x640
[  477.601517]  ? print_usage_bug+0xc0/0xc0
[  477.605589]  ? do_raw_spin_unlock+0xa7/0x330
[  477.610005]  ? zap_class+0x640/0x640
[  477.613723]  ? print_usage_bug+0xc0/0xc0
[  477.617792]  ? wq_watchdog_touch+0x9c/0xfe
[  477.622038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.627620]  ? check_preemption_disabled+0x48/0x280
[  477.632661]  ? __lock_is_held+0xb5/0x140
[  477.636734]  __alloc_pages_nodemask+0xa80/0xde0
[  477.641419]  ? zap_class+0x640/0x640
[  477.645143]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  477.650187]  ? find_held_lock+0x36/0x1c0
[  477.654261]  ? ____cache_alloc_node+0x1c7/0x1e0
[  477.658956]  ? lock_downgrade+0x900/0x900
[  477.663119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.668669]  cache_grow_begin+0xa5/0x8c0
[  477.672744]  ? do_raw_spin_unlock+0xa7/0x330
[  477.677166]  fallback_alloc+0x204/0x2e0
[  477.681149]  ____cache_alloc_node+0x1c7/0x1e0
[  477.685657]  kmem_cache_alloc_node+0xe3/0x730
[  477.690159]  ? ipv6_get_ifaddr+0x42e/0x620
[  477.694415]  __alloc_skb+0x119/0x770
[  477.698132]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  477.703419]  ? netdev_alloc_frag+0x1f0/0x1f0
[  477.707832]  ? lock_downgrade+0x900/0x900
[  477.711990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.717540]  ? refcount_sub_and_test_checked+0x203/0x310
[  477.723002]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  477.728486]  ? addrconf_rs_timer+0x690/0x690
[  477.732911]  ndisc_alloc_skb+0x144/0x340
[  477.736980]  ndisc_send_rs+0x331/0x6e0
[  477.740878]  addrconf_rs_timer+0x314/0x690
[  477.745119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.749373]  call_timer_fn+0x272/0x920
[  477.753264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.757503]  ? process_timeout+0x40/0x40
[  477.761580]  ? __run_timers+0x7da/0xc70
[  477.765560]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.770058]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.774554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.778797]  ? lockdep_hardirqs_on+0x296/0x5b0
[  477.783389]  ? trace_hardirqs_on+0xbd/0x310
[  477.787716]  ? kasan_check_read+0x11/0x20
[  477.791872]  ? __run_timers+0x7da/0xc70
[  477.795850]  ? trace_hardirqs_off_caller+0x310/0x310
[  477.800965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.805218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.809457]  __run_timers+0x7e5/0xc70
[  477.813272]  ? timer_fixup_init+0x70/0x70
[  477.817427]  ? lock_acquire+0x1ed/0x520
[  477.821407]  ? zap_class+0x640/0x640
[  477.825125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.830673]  ? kasan_check_read+0x11/0x20
[  477.834823]  ? do_raw_spin_lock+0x14f/0x350
[  477.839160]  ? find_held_lock+0x36/0x1c0
[  477.843231]  ? zap_class+0x640/0x640
[  477.846954]  ? pvclock_read_flags+0x160/0x160
[  477.851456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.857002]  ? check_preemption_disabled+0x48/0x280
[  477.862036]  ? __lock_is_held+0xb5/0x140
[  477.866105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.871653]  ? check_preemption_disabled+0x48/0x280
[  477.876680]  run_timer_softirq+0x52/0xb0
[  477.880756]  ? rcu_read_lock_sched_held+0x14f/0x180
[  477.885780]  __do_softirq+0x308/0xb7e
[  477.889588]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  477.894092]  ? lock_downgrade+0x900/0x900
[  477.898251]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  477.903373]  ? pvclock_read_flags+0x160/0x160
[  477.907875]  ? lapic_next_event+0x5a/0x90
[  477.912029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.917576]  ? kvm_clock_read+0x18/0x30
[  477.921556]  ? kvm_sched_clock_read+0x9/0x20
[  477.925969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.931512]  ? check_preemption_disabled+0x48/0x280
[  477.936540]  irq_exit+0x17f/0x1c0
[  477.940000]  smp_apic_timer_interrupt+0x1cb/0x760
[  477.944846]  ? smp_reschedule_interrupt+0x109/0x650
[  477.949866]  ? smp_call_function_single_interrupt+0x650/0x650
[  477.955763]  ? interrupt_entry+0xb5/0xc0
[  477.959832]  ? trace_hardirqs_off_caller+0xbb/0x310
[  477.964854]  ? trace_hardirqs_off_caller+0xbb/0x310
[  477.969883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  477.974751]  ? trace_hardirqs_on_caller+0x310/0x310
[  477.979772]  ? trace_hardirqs_on_caller+0x310/0x310
[  477.984794]  ? task_prio+0x50/0x50
[  477.988342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.993884]  ? check_preemption_disabled+0x48/0x280
[  477.998912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.003797]  apic_timer_interrupt+0xf/0x20
[  478.008037]  </IRQ>
[  478.010775] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  478.015710] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  478.034619] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  478.042328] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  478.049598] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  478.056867] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  478.064136] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  478.071423] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  478.078747]  skb_clone+0x1bb/0x500
[  478.082294]  ? finish_task_switch+0x1b4/0x910
[  478.086793]  ? skb_split+0x11e0/0x11e0
[  478.090690]  ? preempt_notifier_register+0x200/0x200
[  478.095808]  ? __switch_to_asm+0x34/0x70
[  478.099892]  ? __switch_to_asm+0x34/0x70
[  478.103953]  ? __switch_to_asm+0x40/0x70
[  478.108020]  ? __switch_to_asm+0x34/0x70
[  478.112085]  ? __switch_to_asm+0x40/0x70
[  478.116155]  ? __switch_to_asm+0x34/0x70
[  478.120214]  ? __switch_to_asm+0x40/0x70
[  478.124304]  ? __switch_to_asm+0x34/0x70
[  478.128382]  ? __switch_to_asm+0x34/0x70
[  478.132446]  ? __switch_to_asm+0x40/0x70
[  478.136507]  ? __switch_to_asm+0x34/0x70
[  478.140578]  bpf_clone_redirect+0xb9/0x490
[  478.144820]  ? __schedule+0x8d7/0x21d0
[  478.148714]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  478.153751]  ? __sched_text_start+0x8/0x8
[  478.157912]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  478.162494]  ? retint_kernel+0x2d/0x2d
[  478.166387]  ? trace_hardirqs_on_caller+0xc0/0x310
[  478.171328]  ? find_held_lock+0x36/0x1c0
[  478.175403]  ? lock_acquire+0x1ed/0x520
[  478.179381]  ? bpf_test_run+0x3cb/0x780
[  478.183370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.188928]  ? check_preemption_disabled+0x48/0x280
[  478.193958]  ? kasan_check_read+0x11/0x20
[  478.198113]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  478.203393]  ? rcu_softirq_qs+0x20/0x20
[  478.207372]  ? preempt_schedule+0x4d/0x60
[  478.211524]  ? ___preempt_schedule+0x16/0x18
[  478.215944]  ? bpf_test_run+0x25d/0x780
[  478.219961]  ? netlink_diag_dump+0x2a0/0x2a0
[  478.224385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  478.229939]  ? bpf_test_init.isra.10+0x70/0x100
[  478.234619]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  478.239387]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  478.244231]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  478.249778]  ? fput+0x130/0x1a0
[  478.253066]  ? __bpf_prog_get+0x9b/0x290
[  478.257133]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  478.261984]  ? bpf_prog_test_run+0x130/0x1a0
[  478.266404]  ? __x64_sys_bpf+0x3d8/0x520
[  478.270467]  ? bpf_prog_get+0x20/0x20
[  478.274290]  ? do_syscall_64+0x1b9/0x820
[  478.278353]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  478.283724]  ? syscall_return_slowpath+0x5e0/0x5e0
[  478.288671]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.293519]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.298540]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  478.303562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.309106]  ? prepare_exit_to_usermode+0x291/0x3b0
[  478.314130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.318992]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  478.324386] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  478.324429] rcu: INFO: rcu_preempt self-detected stall on CPU
[  478.331499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  478.331522] Workqueue: events_power_efficient neigh_periodic_work
[  478.337699] rcu: 	1-...!: (1 GPs behind) idle=67e/1/0x4000000000000004 softirq=29205/29206 fqs=0 
[  478.346719] Call Trace:
[  478.346725]  <IRQ>
[  478.346745]  dump_stack+0x244/0x39d
[  478.346764]  ? dump_stack_print_info.cold.1+0x20/0x20
[  478.346791]  warn_alloc.cold.116+0xb7/0x1bd
[  478.346807]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  478.346839]  ? lock_downgrade+0x900/0x900
[  478.346880]  ? trace_hardirqs_off+0xb8/0x310
[  478.346910]  ? trace_hardirqs_off+0xb8/0x310
[  478.346940]  __alloc_pages_slowpath+0x26e8/0x2e10
[  478.346987]  ? warn_alloc+0x120/0x120
[  478.353525] rcu: 	 (t=10530 jiffies g=39069 q=38)
[  478.362546]  ? warn_alloc+0x120/0x120
[  478.365125] rcu: rcu_preempt kthread starved for 10530 jiffies! g39069 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  478.367268]  ? warn_alloc+0x120/0x120
[  478.370894] rcu: RCU grace-period kthread stack dump:
[  478.376087]  ? print_usage_bug+0xc0/0xc0
[  478.380390] rcu_preempt     R  running task    23000    10      2 0x80000000
[  478.385230]  ? print_usage_bug+0xc0/0xc0
[  478.389360] Call Trace:
[  478.393770]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  478.398169]  __schedule+0x8cf/0x21d0
[  478.403002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  478.406801]  ? __sched_text_start+0x8/0x8
[  478.411635]  ? should_fail+0x22d/0xd01
[  478.415427]  ? add_timer_on+0xa20/0xa20
[  478.425897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  478.429686]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  478.434864]  ? __lock_acquire+0x62f/0x4c20
[  478.438912]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  478.446087]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  478.450153]  ? trace_hardirqs_on+0xbd/0x310
[  478.452728]  ? __lock_acquire+0x62f/0x4c20
[  478.457916]  ? kasan_check_read+0x11/0x20
[  478.461618]  ? should_fail+0x22d/0xd01
[  478.467149]  ? prepare_to_swait_event+0x25a/0x800
[  478.471289]  ? mark_held_locks+0x130/0x130
[  478.475162]  ? trace_hardirqs_off_caller+0x310/0x310
[  478.479124]  ? mark_held_locks+0x130/0x130
[  478.484223]  schedule+0xfe/0x460
[  478.489313]  ? update_stack_state+0x1a5/0x690
[  478.493562]  ? __schedule+0x21d0/0x21d0
[  478.498661]  ? zap_class+0x640/0x640
[  478.503760]  ? prepare_to_swait_event+0x25a/0x800
[  478.508076]  ? ret_from_fork+0x3a/0x50
[  478.512306]  ? __init_swait_queue_head+0x150/0x150
[  478.516440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.520319]  ? __lockdep_init_map+0x105/0x590
[  478.525164]  ? check_preemption_disabled+0x48/0x280
[  478.529386]  ? lockdep_init_map+0x9/0x10
[  478.534486]  ? __lock_is_held+0xb5/0x140
[  478.538710]  schedule_timeout+0x140/0x260
[  478.542065]  __alloc_pages_nodemask+0xa80/0xde0
[  478.546548]  ? usleep_range+0x1a0/0x1a0
[  478.550510]  ? zap_class+0x640/0x640
[  478.554215]  ? __next_timer_interrupt+0x1a0/0x1a0
[  478.559048]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  478.562941]  rcu_gp_fqs_loop+0x762/0xa80
[  478.567855]  ? find_held_lock+0x36/0x1c0
[  478.573384]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  478.577873]  ? ____cache_alloc_node+0x1c7/0x1e0
[  478.582873]  ? trace_hardirqs_off_caller+0x310/0x310
[  478.586921]  ? lock_downgrade+0x900/0x900
[  478.590973]  ? perf_trace_sched_process_exec+0x860/0x860
[  478.595131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.599788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.603759]  cache_grow_begin+0xa5/0x8c0
[  478.607471]  ? rcu_gp_init+0x90b/0x1260
[  478.612296]  ? do_raw_spin_unlock+0xa7/0x330
[  478.617329]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  478.621394]  fallback_alloc+0x204/0x2e0
[  478.625444]  ? rcu_accelerate_cbs+0x562/0xae0
[  478.630193]  ____cache_alloc_node+0x1c7/0x1e0
[  478.634850]  ? zap_class+0x640/0x640
[  478.639947]  kmem_cache_alloc_node+0xe3/0x730
[  478.644107]  ? zap_class+0x640/0x640
[  478.649547]  ? mark_held_locks+0xc7/0x130
[  478.655077]  ? __lock_is_held+0xb5/0x140
[  478.660606]  __alloc_skb+0x119/0x770
[  478.664654]  ? __lock_is_held+0xb5/0x140
[  478.668613]  ? netdev_alloc_frag+0x1f0/0x1f0
[  478.673014]  ? zap_class+0x640/0x640
[  478.677775]  ? do_raw_spin_trylock+0x270/0x270
[  478.681749]  ? rcu_accelerate_cbs+0x562/0xae0
[  478.686228]  ? kmem_cache_alloc_trace+0x353/0x750
[  478.690730]  ? find_held_lock+0x36/0x1c0
[  478.694433]  ? queue_work_on+0x12c/0x1e0
[  478.698947]  ? rcu_gp_kthread+0x8cf/0xc70
[  478.702665]  ? switchdev_port_obj_del+0xdc/0x440
[  478.706798]  ? _raw_spin_unlock_irq+0x27/0x80
[  478.710853]  ? switchdev_trans_item_enqueue+0x260/0x260
[  478.714553]  ? _raw_spin_unlock_irq+0x27/0x80
[  478.718609]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  478.723016]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  478.726726]  __br_mdb_notify+0x4ff/0x15d0
[  478.731312]  ? trace_hardirqs_on+0xbd/0x310
[  478.735803]  ? __br_mdb_add+0x7f0/0x7f0
[  478.740635]  ? kasan_check_read+0x11/0x20
[  478.744693]  ? zap_class+0x640/0x640
[  478.748736]  ? trace_hardirqs_off_caller+0x310/0x310
[  478.752881]  ? br_multicast_group_expired+0x96/0x610
[  478.757623]  ? perf_trace_sched_process_exec+0x860/0x860
[  478.762113]  ? lock_downgrade+0x900/0x900
[  478.767468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.771960]  br_mdb_notify+0x310/0x410
[  478.776987]  rcu_gp_kthread+0x341/0xc70
[  478.781546]  ? br_mdb_dump+0x27b0/0x27b0
[  478.785699]  ? rcu_gp_init+0x1260/0x1260
[  478.790009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.793971]  ? mark_held_locks+0x130/0x130
[  478.798112]  br_multicast_group_expired+0x1bc/0x610
[  478.801812]  ? __schedule+0x168a/0x21d0
[  478.806913]  ? br_mdb_free+0x80/0x80
[  478.812005]  ? _raw_spin_unlock_irq+0x27/0x80
[  478.817451]  call_timer_fn+0x272/0x920
[  478.821586]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  478.827110]  ? br_mdb_free+0x80/0x80
[  478.830997]  ? trace_hardirqs_on+0xbd/0x310
[  478.834950]  ? process_timeout+0x40/0x40
[  478.839015]  ? kasan_check_read+0x11/0x20
[  478.843067]  ? mark_held_locks+0xc7/0x130
[  478.848591]  ? __schedule+0x168a/0x21d0
[  478.852813]  ? _raw_spin_unlock_irq+0x27/0x80
[  478.857820]  ? trace_hardirqs_off_caller+0x310/0x310
[  478.861787]  ? _raw_spin_unlock_irq+0x27/0x80
[  478.865493]  ? lock_pin_lock+0x350/0x350
[  478.870002]  ? br_mdb_free+0x80/0x80
[  478.870018]  ? lockdep_hardirqs_on+0x296/0x5b0
[  478.873901]  ? _raw_spin_unlock_irq+0x60/0x80
[  478.878467]  ? trace_hardirqs_on+0xbd/0x310
[  478.882190]  ? __schedule+0x168a/0x21d0
[  478.886518]  ? kasan_check_read+0x11/0x20
[  478.890566]  ? __switch_to_asm+0x40/0x70
[  478.894704]  ? __run_timers+0x7da/0xc70
[  478.898842]  ? __switch_to_asm+0x40/0x70
[  478.903268]  ? trace_hardirqs_off_caller+0x310/0x310
[  478.907770]  ? show_schedstat+0x731/0xf30
[  478.912874]  ? br_mdb_free+0x80/0x80
[  478.917356]  ? __sched_text_start+0x8/0x8
[  478.921402]  __run_timers+0x7e5/0xc70
[  478.925111]  ? find_held_lock+0x36/0x1c0
[  478.929699]  ? timer_fixup_init+0x70/0x70
[  478.934188]  ? __kthread_parkme+0xce/0x1a0
[  478.938495]  ? lock_downgrade+0x900/0x900
[  478.942463]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  478.946609]  ? zap_class+0x640/0x640
[  478.950671]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  478.954664]  ? print_usage_bug+0xc0/0xc0
[  478.958693]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  478.963791]  ? trace_hardirqs_on+0x310/0x310
[  478.967929]  ? trace_hardirqs_on+0xbd/0x310
[  478.971637]  ? kvm_clock_read+0x18/0x30
[  478.975778]  ? kasan_check_read+0x11/0x20
[  478.979573]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  478.983627]  ? __kthread_parkme+0xce/0x1a0
[  478.987781]  ? ktime_get+0x2c1/0x400
[  478.992017]  ? trace_hardirqs_off_caller+0x310/0x310
[  478.996156]  ? zap_class+0x640/0x640
[  479.001267]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  479.005496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.010596]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  479.014653]  ? check_preemption_disabled+0x48/0x280
[  479.019230]  ? __kthread_parkme+0xfb/0x1a0
[  479.023644]  ? __lock_is_held+0xb5/0x140
[  479.027963]  ? rcu_gp_init+0x1260/0x1260
[  479.031937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.036086]  kthread+0x35a/0x440
[  479.041108]  ? check_preemption_disabled+0x48/0x280
[  479.045338]  ? kthread_stop+0x900/0x900
[  479.049135]  run_timer_softirq+0x52/0xb0
[  479.054226]  ret_from_fork+0x3a/0x50
[  479.057938]  ? rcu_read_lock_sched_held+0x14f/0x180
[  479.063047] NMI backtrace for cpu 1
[  479.068620]  __do_softirq+0x308/0xb7e
[  479.129535]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  479.134648]  ? irq_exit+0xbd/0x1c0
[  479.138198]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  479.143245]  ? smp_call_function_single_interrupt+0x650/0x650
[  479.149153]  ? ret_from_intr+0xb/0x1e
[  479.152963]  ? trace_hardirqs_off_caller+0xbb/0x310
[  479.158019]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  479.162880]  ? trace_hardirqs_on_caller+0x310/0x310
[  479.167904]  ? task_prio+0x50/0x50
[  479.171450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.177018]  ? check_preemption_disabled+0x48/0x280
[  479.182061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  479.186917]  ? neigh_periodic_work+0x6bd/0xc60
[  479.191515]  do_softirq_own_stack+0x2a/0x40
[  479.195842]  </IRQ>
[  479.198100]  do_softirq.part.14+0x126/0x160
[  479.202446]  __local_bh_enable_ip+0x21d/0x260
[  479.206949]  _raw_write_unlock_bh+0x30/0x40
[  479.211282]  neigh_periodic_work+0x6bd/0xc60
[  479.215706]  ? neigh_table_clear+0x390/0x390
[  479.220130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.225682]  ? check_preemption_disabled+0x48/0x280
[  479.230718]  ? __lock_is_held+0xb5/0x140
[  479.234801]  process_one_work+0xc90/0x1c40
[  479.239042]  ? mark_held_locks+0x130/0x130
[  479.243298]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  479.247975]  ? __switch_to_asm+0x40/0x70
[  479.252048]  ? __switch_to_asm+0x40/0x70
[  479.256115]  ? __switch_to_asm+0x34/0x70
[  479.260185]  ? __switch_to_asm+0x40/0x70
[  479.264251]  ? __switch_to_asm+0x34/0x70
[  479.268318]  ? __switch_to_asm+0x40/0x70
[  479.272380]  ? __switch_to_asm+0x34/0x70
[  479.276440]  ? __switch_to_asm+0x40/0x70
[  479.280522]  ? __schedule+0x8d7/0x21d0
[  479.284423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  479.289463]  ? lock_downgrade+0x900/0x900
[  479.293628]  ? zap_class+0x640/0x640
[  479.297348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  479.302213]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  479.306825]  ? lock_acquire+0x1ed/0x520
[  479.310803]  ? worker_thread+0x3e0/0x1390
[  479.314980]  ? kasan_check_read+0x11/0x20
[  479.319136]  ? do_raw_spin_lock+0x14f/0x350
[  479.323490]  ? kasan_check_read+0x11/0x20
[  479.327647]  ? rwlock_bug.part.2+0x90/0x90
[  479.331886]  ? trace_hardirqs_on+0x310/0x310
[  479.336316]  worker_thread+0x17f/0x1390
[  479.340296]  ? __switch_to_asm+0x34/0x70
[  479.344381]  ? process_one_work+0x1c40/0x1c40
[  479.348897]  ? zap_class+0x640/0x640
[  479.352617]  ? find_held_lock+0x36/0x1c0
[  479.356709]  ? __kthread_parkme+0xce/0x1a0
[  479.360954]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  479.366077]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  479.371199]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  479.375788]  ? trace_hardirqs_on+0xbd/0x310
[  479.380112]  ? kasan_check_read+0x11/0x20
[  479.384270]  ? __kthread_parkme+0xce/0x1a0
[  479.388511]  ? trace_hardirqs_off_caller+0x310/0x310
[  479.393621]  ? trace_hardirqs_off_caller+0x310/0x310
[  479.398740]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  479.403852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  479.409399]  ? __kthread_parkme+0xfb/0x1a0
[  479.413643]  ? process_one_work+0x1c40/0x1c40
[  479.418146]  kthread+0x35a/0x440
[  479.421519]  ? kthread_stop+0x900/0x900
[  479.425507]  ret_from_fork+0x3a/0x50
[  479.429237] warn_alloc_show_mem: 1 callbacks suppressed
[  479.429256] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  479.429258] Mem-Info:
[  479.429290] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  479.429290]  active_file:16 inactive_file:3 isolated_file:0
[  479.429290]  unevictable:0 dirty:0 writeback:0 unstable:0
[  479.429290]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  479.429290]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  479.429290]  free:13690 free_pcp:879 free_cma:0
[  479.434636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  479.434646] Call Trace:
[  479.442025] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  479.444432]  <IRQ>
[  479.477441] 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
[  479.486829]  dump_stack+0x244/0x39d
[  479.489397] lowmem_reserve[]: 0 2818 6321 6321
[  479.517283]  ? dump_stack_print_info.cold.1+0x20/0x20
[  479.519417] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  479.545557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.549165] lowmem_reserve[]: 0 0 3503 3503
[  479.553757]  ? do_raw_spin_lock+0x14f/0x350
[  479.558921] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  479.586539]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  479.592060] lowmem_reserve[]: 0 0 0 0
[  479.596399]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  479.600695] 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
[  479.630048]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  479.634698] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  479.638508]  arch_trigger_cpumask_backtrace+0x14/0x20
[  479.643684] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  479.657237]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  479.662521] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  479.677839]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  479.683016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  479.696999]  ? print_other_cpu_stall+0x160/0x160
[  479.701382] 4380 total pagecache pages
[  479.710231]  ? print_usage_bug+0xc0/0xc0
[  479.714977] 0 pages in swap cache
[  479.723565]  ? kasan_check_read+0x11/0x20
[  479.728311] Swap cache stats: add 0, delete 0, find 0/0
[  479.732205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.736248] Free swap  = 0kB
[  479.739697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.743827] Total swap = 0kB
[  479.743835] 1965979 pages RAM
[  479.749228]  ? do_trace_rcu_torture_read+0x10/0x10
[  479.754756] 0 pages HighMem/MovableOnly
[  479.754766] 342854 pages reserved
[  479.757789]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  479.763299] 0 pages cma reserved
[  479.766317]  ? __lock_is_held+0xb5/0x140
[  479.769566] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  479.774324]  ? __rcu_read_lock+0x50/0x50
[  479.778281] kworker/0:2 cpuset=/ mems_allowed=0
[  479.781731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.781755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.824568]  ? check_preemption_disabled+0x48/0x280
[  479.829612]  rcu_check_callbacks+0xf3b/0x13f0
[  479.834123]  ? rcutree_dead_cpu+0x10/0x10
[  479.838285]  ? lock_downgrade+0x900/0x900
[  479.842446]  ? lock_release+0x940/0xa00
[  479.846443]  ? zap_class+0x640/0x640
[  479.850173]  ? zap_class+0x640/0x640
[  479.853907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.859460]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  479.864048]  ? kvm_set_tsc_khz+0x540/0x540
[  479.868291]  ? warn_alloc.cold.116+0xd1/0x1bd
[  479.872799]  ? find_held_lock+0x36/0x1c0
[  479.876871]  ? zap_class+0x640/0x640
[  479.880589]  ? timekeeping_advance+0x3cc/0xc00
[  479.885194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.890745]  ? check_preemption_disabled+0x48/0x280
[  479.895778]  ? trace_hardirqs_off+0xb8/0x310
[  479.900196]  ? __lock_is_held+0xb5/0x140
[  479.904268]  ? trace_hardirqs_on+0x310/0x310
[  479.908690]  ? check_preemption_disabled+0x48/0x280
[  479.913721]  ? raise_softirq+0x199/0x420
[  479.917793]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  479.922468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.928017]  ? check_preemption_disabled+0x48/0x280
[  479.933072]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  479.938618]  ? hrtimer_run_queues+0x9a/0x400
[  479.943037]  ? run_local_timers+0x19b/0x230
[  479.947389]  ? timer_clear_idle+0x90/0x90
[  479.951553]  ? debug_smp_processor_id+0x1c/0x20
[  479.956230]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  479.962215]  ? account_process_tick+0x282/0x350
[  479.966901]  update_process_times+0x2d/0x70
[  479.971267]  tick_sched_handle+0x9f/0x180
[  479.975425]  tick_sched_timer+0x45/0x130
[  479.979493]  __hrtimer_run_queues+0x41c/0x10d0
[  479.984089]  ? tick_sched_do_timer+0x1a0/0x1a0
[  479.988683]  ? hrtimer_start_range_ns+0xe00/0xe00
[  479.993539]  ? pvclock_read_flags+0x160/0x160
[  479.998045]  ? trace_hardirqs_on+0x310/0x310
[  480.002457]  ? zap_class+0x640/0x640
[  480.006185]  ? kvm_clock_read+0x18/0x30
[  480.010697]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  480.015733]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  480.021118]  ? do_timer+0x50/0x50
[  480.024581]  ? rwlock_bug.part.2+0x90/0x90
[  480.028817]  ? trace_hardirqs_on+0x310/0x310
[  480.033230]  ? rcu_softirq_qs+0x20/0x20
[  480.037223]  hrtimer_interrupt+0x313/0x780
[  480.041491]  smp_apic_timer_interrupt+0x1a1/0x760
[  480.046344]  ? smp_call_function_single_interrupt+0x650/0x650
[  480.052260]  ? interrupt_entry+0xb5/0xc0
[  480.056333]  ? trace_hardirqs_off_caller+0xbb/0x310
[  480.062058]  ? ____cache_alloc_node+0x1c7/0x1e0
[  480.066745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.071611]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.076645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.081506]  apic_timer_interrupt+0xf/0x20
[  480.085756] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  480.091129] 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
[  480.110048] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  480.117775] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100330379b1
[  480.125057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  480.132333] RBP: ffff8801daf074c0 R08: ffff8801981bcd88 R09: 0000000000000002
[  480.139610] R10: 0000000000000000 R11: ffff8801981bc4c0 R12: ffff8801d9beec00
[  480.146889] R13: ffff8801d9beec00 R14: 0000000000000000 R15: 0000000000000286
[  480.154193]  ? apic_timer_interrupt+0xa/0x20
[  480.158634]  ? ipv6_get_ifaddr+0x42e/0x620
[  480.162888]  __alloc_skb+0x119/0x770
[  480.166610]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  480.171909]  ? netdev_alloc_frag+0x1f0/0x1f0
[  480.176335]  ? lock_downgrade+0x900/0x900
[  480.180507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.186063]  ? refcount_sub_and_test_checked+0x203/0x310
[  480.191537]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  480.197015]  ? addrconf_rs_timer+0x690/0x690
[  480.201462]  ndisc_alloc_skb+0x144/0x340
[  480.205538]  ndisc_send_rs+0x331/0x6e0
[  480.209447]  addrconf_rs_timer+0x314/0x690
[  480.213698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.217957]  call_timer_fn+0x272/0x920
[  480.221869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.226118]  ? process_timeout+0x40/0x40
[  480.230198]  ? __run_timers+0x7da/0xc70
[  480.234188]  ? _raw_spin_unlock_irq+0x27/0x80
[  480.238690]  ? _raw_spin_unlock_irq+0x27/0x80
[  480.243199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.247462]  ? lockdep_hardirqs_on+0x296/0x5b0
[  480.252063]  ? trace_hardirqs_on+0xbd/0x310
[  480.256399]  ? kasan_check_read+0x11/0x20
[  480.260558]  ? __run_timers+0x7da/0xc70
[  480.264549]  ? trace_hardirqs_off_caller+0x310/0x310
[  480.269670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.273923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.278176]  __run_timers+0x7e5/0xc70
[  480.282012]  ? timer_fixup_init+0x70/0x70
[  480.286176]  ? lock_acquire+0x1ed/0x520
[  480.290165]  ? zap_class+0x640/0x640
[  480.293889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.299452]  ? kasan_check_read+0x11/0x20
[  480.303617]  ? do_raw_spin_lock+0x14f/0x350
[  480.307961]  ? find_held_lock+0x36/0x1c0
[  480.312048]  ? zap_class+0x640/0x640
[  480.315782]  ? pvclock_read_flags+0x160/0x160
[  480.320285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.325829]  ? check_preemption_disabled+0x48/0x280
[  480.330861]  ? __lock_is_held+0xb5/0x140
[  480.334939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.340516]  ? check_preemption_disabled+0x48/0x280
[  480.345561]  run_timer_softirq+0x52/0xb0
[  480.349639]  ? rcu_read_lock_sched_held+0x14f/0x180
[  480.354680]  __do_softirq+0x308/0xb7e
[  480.358503]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  480.363023]  ? lock_downgrade+0x900/0x900
[  480.367189]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  480.372350]  ? pvclock_read_flags+0x160/0x160
[  480.376856]  ? lapic_next_event+0x5a/0x90
[  480.381029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.386611]  ? kvm_clock_read+0x18/0x30
[  480.390626]  ? kvm_sched_clock_read+0x9/0x20
[  480.395071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.400636]  ? check_preemption_disabled+0x48/0x280
[  480.405669]  irq_exit+0x17f/0x1c0
[  480.409130]  smp_apic_timer_interrupt+0x1cb/0x760
[  480.413983]  ? smp_reschedule_interrupt+0x109/0x650
[  480.419015]  ? smp_call_function_single_interrupt+0x650/0x650
[  480.424908]  ? interrupt_entry+0xb5/0xc0
[  480.428985]  ? trace_hardirqs_off_caller+0xbb/0x310
[  480.434010]  ? trace_hardirqs_off_caller+0xbb/0x310
[  480.439038]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.443886]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.448906]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.453930]  ? task_prio+0x50/0x50
[  480.457480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.463026]  ? check_preemption_disabled+0x48/0x280
[  480.468057]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.472915]  apic_timer_interrupt+0xf/0x20
[  480.477146]  </IRQ>
[  480.479394] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  480.484331] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  480.503251] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  480.510973] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  480.518258] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  480.525532] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  480.532812] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  480.540085] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  480.547412]  skb_clone+0x1bb/0x500
[  480.550959]  ? finish_task_switch+0x1b4/0x910
[  480.555470]  ? skb_split+0x11e0/0x11e0
[  480.559370]  ? preempt_notifier_register+0x200/0x200
[  480.564477]  ? __switch_to_asm+0x34/0x70
[  480.568549]  ? __switch_to_asm+0x34/0x70
[  480.572611]  ? __switch_to_asm+0x40/0x70
[  480.576671]  ? __switch_to_asm+0x34/0x70
[  480.580732]  ? __switch_to_asm+0x40/0x70
[  480.584801]  ? __switch_to_asm+0x34/0x70
[  480.588866]  ? __switch_to_asm+0x40/0x70
[  480.592928]  ? __switch_to_asm+0x34/0x70
[  480.597003]  ? __switch_to_asm+0x34/0x70
[  480.601077]  ? __switch_to_asm+0x40/0x70
[  480.605139]  ? __switch_to_asm+0x34/0x70
[  480.609216]  bpf_clone_redirect+0xb9/0x490
[  480.613464]  ? __schedule+0x8d7/0x21d0
[  480.617365]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  480.622397]  ? __sched_text_start+0x8/0x8
[  480.626560]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  480.631145]  ? retint_kernel+0x2d/0x2d
[  480.635077]  ? trace_hardirqs_on_caller+0xc0/0x310
[  480.640027]  ? find_held_lock+0x36/0x1c0
[  480.644116]  ? lock_acquire+0x1ed/0x520
[  480.648093]  ? bpf_test_run+0x3cb/0x780
[  480.652077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.657620]  ? check_preemption_disabled+0x48/0x280
[  480.662653]  ? kasan_check_read+0x11/0x20
[  480.666811]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  480.672093]  ? rcu_softirq_qs+0x20/0x20
[  480.676165]  ? preempt_schedule+0x4d/0x60
[  480.680319]  ? ___preempt_schedule+0x16/0x18
[  480.684755]  ? bpf_test_run+0x25d/0x780
[  480.688759]  ? netlink_diag_dump+0x2a0/0x2a0
[  480.693220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  480.698765]  ? bpf_test_init.isra.10+0x70/0x100
[  480.703446]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  480.708217]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  480.713067]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  480.718611]  ? fput+0x130/0x1a0
[  480.721908]  ? __bpf_prog_get+0x9b/0x290
[  480.725994]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  480.730852]  ? bpf_prog_test_run+0x130/0x1a0
[  480.735297]  ? __x64_sys_bpf+0x3d8/0x520
[  480.739378]  ? bpf_prog_get+0x20/0x20
[  480.743202]  ? do_syscall_64+0x1b9/0x820
[  480.747265]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  480.752635]  ? syscall_return_slowpath+0x5e0/0x5e0
[  480.757583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.762432]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.767453]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  480.772476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.778039]  ? prepare_exit_to_usermode+0x291/0x3b0
[  480.783066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.787922]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  480.793314] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  480.793840] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  480.800430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  480.800456] Workqueue: events_power_efficient neigh_periodic_work
[  480.807033] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  480.816310] Call Trace:
[  480.822543] syz-executor1 cpuset=syz1 mems_allowed=0
[  480.833029]  <IRQ>
[  480.842888]  dump_stack+0x244/0x39d
[  480.846525]  ? dump_stack_print_info.cold.1+0x20/0x20
[  480.851758]  warn_alloc.cold.116+0xb7/0x1bd
[  480.856091]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  480.860950]  ? lock_downgrade+0x900/0x900
[  480.865119]  ? trace_hardirqs_off+0xb8/0x310
[  480.869545]  ? trace_hardirqs_off+0xb8/0x310
[  480.873975]  __alloc_pages_slowpath+0x26e8/0x2e10
[  480.878872]  ? warn_alloc+0x120/0x120
[  480.882693]  ? warn_alloc+0x120/0x120
[  480.886502]  ? warn_alloc+0x120/0x120
[  480.890313]  ? print_usage_bug+0xc0/0xc0
[  480.894382]  ? print_usage_bug+0xc0/0xc0
[  480.898452]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  480.904151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  480.909727]  ? should_fail+0x22d/0xd01
[  480.913636]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  480.918756]  ? __lock_acquire+0x62f/0x4c20
[  480.923023]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  480.928122]  ? __lock_acquire+0x62f/0x4c20
[  480.932361]  ? should_fail+0x22d/0xd01
[  480.936288]  ? mark_held_locks+0x130/0x130
[  480.940529]  ? mark_held_locks+0x130/0x130
[  480.944774]  ? update_stack_state+0x1a5/0x690
[  480.949306]  ? zap_class+0x640/0x640
[  480.953023]  ? ret_from_fork+0x3a/0x50
[  480.956918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.962459]  ? check_preemption_disabled+0x48/0x280
[  480.967487]  ? __lock_is_held+0xb5/0x140
[  480.971572]  __alloc_pages_nodemask+0xa80/0xde0
[  480.976250]  ? zap_class+0x640/0x640
[  480.979972]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  480.985015]  ? find_held_lock+0x36/0x1c0
[  480.989111]  ? ____cache_alloc_node+0x1c7/0x1e0
[  480.993780]  ? lock_downgrade+0x900/0x900
[  480.997951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.003506]  cache_grow_begin+0xa5/0x8c0
[  481.007581]  ? do_raw_spin_unlock+0xa7/0x330
[  481.012006]  fallback_alloc+0x204/0x2e0
[  481.015990]  ____cache_alloc_node+0x1c7/0x1e0
[  481.020513]  kmem_cache_alloc_node+0xe3/0x730
[  481.025019]  ? mark_held_locks+0xc7/0x130
[  481.029185]  __alloc_skb+0x119/0x770
[  481.032914]  ? netdev_alloc_frag+0x1f0/0x1f0
[  481.037332]  ? do_raw_spin_trylock+0x270/0x270
[  481.041924]  ? kmem_cache_alloc_trace+0x353/0x750
[  481.046776]  ? queue_work_on+0x12c/0x1e0
[  481.050853]  ? switchdev_port_obj_del+0xdc/0x440
[  481.055615]  ? switchdev_trans_item_enqueue+0x260/0x260
[  481.061833]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  481.066864]  __br_mdb_notify+0x4ff/0x15d0
[  481.071034]  ? __br_mdb_add+0x7f0/0x7f0
[  481.075026]  ? zap_class+0x640/0x640
[  481.078760]  ? br_multicast_group_expired+0x96/0x610
[  481.083868]  ? lock_downgrade+0x900/0x900
[  481.088026]  br_mdb_notify+0x310/0x410
[  481.091918]  ? br_mdb_dump+0x27b0/0x27b0
[  481.095998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.101548]  br_multicast_group_expired+0x1bc/0x610
[  481.106573]  ? br_mdb_free+0x80/0x80
[  481.110301]  call_timer_fn+0x272/0x920
[  481.114190]  ? br_mdb_free+0x80/0x80
[  481.117907]  ? process_timeout+0x40/0x40
[  481.121994]  ? mark_held_locks+0xc7/0x130
[  481.126152]  ? _raw_spin_unlock_irq+0x27/0x80
[  481.130648]  ? _raw_spin_unlock_irq+0x27/0x80
[  481.135150]  ? br_mdb_free+0x80/0x80
[  481.138873]  ? lockdep_hardirqs_on+0x296/0x5b0
[  481.143462]  ? trace_hardirqs_on+0xbd/0x310
[  481.147785]  ? kasan_check_read+0x11/0x20
[  481.151931]  ? __run_timers+0x7da/0xc70
[  481.155920]  ? trace_hardirqs_off_caller+0x310/0x310
[  481.161030]  ? br_mdb_free+0x80/0x80
[  481.164763]  ? br_mdb_free+0x80/0x80
[  481.168480]  __run_timers+0x7e5/0xc70
[  481.172295]  ? timer_fixup_init+0x70/0x70
[  481.176447]  ? lock_downgrade+0x900/0x900
[  481.180598]  ? zap_class+0x640/0x640
[  481.184323]  ? print_usage_bug+0xc0/0xc0
[  481.188391]  ? trace_hardirqs_on+0x310/0x310
[  481.192814]  ? kvm_clock_read+0x18/0x30
[  481.196819]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  481.201853]  ? ktime_get+0x2c1/0x400
[  481.205574]  ? zap_class+0x640/0x640
[  481.209322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.214870]  ? check_preemption_disabled+0x48/0x280
[  481.219904]  ? __lock_is_held+0xb5/0x140
[  481.223987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.229535]  ? check_preemption_disabled+0x48/0x280
[  481.234565]  run_timer_softirq+0x52/0xb0
[  481.238633]  ? rcu_read_lock_sched_held+0x14f/0x180
[  481.243659]  __do_softirq+0x308/0xb7e
[  481.247508]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  481.252640]  ? irq_exit+0xbd/0x1c0
[  481.256187]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  481.261218]  ? smp_call_function_single_interrupt+0x650/0x650
[  481.267113]  ? ret_from_intr+0xb/0x1e
[  481.270936]  ? trace_hardirqs_off_caller+0xbb/0x310
[  481.275986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  481.280840]  ? trace_hardirqs_on_caller+0x310/0x310
[  481.285866]  ? task_prio+0x50/0x50
[  481.289414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.294969]  ? check_preemption_disabled+0x48/0x280
[  481.300013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  481.304866]  ? neigh_periodic_work+0x6bd/0xc60
[  481.309461]  do_softirq_own_stack+0x2a/0x40
[  481.313781]  </IRQ>
[  481.316060]  do_softirq.part.14+0x126/0x160
[  481.320387]  __local_bh_enable_ip+0x21d/0x260
[  481.324909]  _raw_write_unlock_bh+0x30/0x40
[  481.329247]  neigh_periodic_work+0x6bd/0xc60
[  481.333679]  ? neigh_table_clear+0x390/0x390
[  481.338109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.343662]  ? check_preemption_disabled+0x48/0x280
[  481.348699]  ? __lock_is_held+0xb5/0x140
[  481.352780]  process_one_work+0xc90/0x1c40
[  481.357024]  ? mark_held_locks+0x130/0x130
[  481.361279]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  481.365971]  ? __switch_to_asm+0x40/0x70
[  481.370043]  ? __switch_to_asm+0x40/0x70
[  481.374109]  ? __switch_to_asm+0x34/0x70
[  481.378173]  ? __switch_to_asm+0x40/0x70
[  481.382236]  ? __switch_to_asm+0x34/0x70
[  481.386306]  ? __switch_to_asm+0x40/0x70
[  481.390367]  ? __switch_to_asm+0x34/0x70
[  481.394427]  ? __switch_to_asm+0x40/0x70
[  481.398500]  ? __schedule+0x8d7/0x21d0
[  481.402394]  ? trace_hardirqs_off_caller+0xbb/0x310
[  481.407427]  ? lock_downgrade+0x900/0x900
[  481.411587]  ? zap_class+0x640/0x640
[  481.415307]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  481.420178]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  481.424788]  ? lock_acquire+0x1ed/0x520
[  481.428806]  ? worker_thread+0x3e0/0x1390
[  481.432999]  ? kasan_check_read+0x11/0x20
[  481.437153]  ? do_raw_spin_lock+0x14f/0x350
[  481.441484]  ? kasan_check_read+0x11/0x20
[  481.445641]  ? rwlock_bug.part.2+0x90/0x90
[  481.449885]  ? trace_hardirqs_on+0x310/0x310
[  481.454317]  worker_thread+0x17f/0x1390
[  481.458297]  ? __switch_to_asm+0x34/0x70
[  481.462382]  ? process_one_work+0x1c40/0x1c40
[  481.466902]  ? zap_class+0x640/0x640
[  481.470623]  ? find_held_lock+0x36/0x1c0
[  481.474718]  ? __kthread_parkme+0xce/0x1a0
[  481.478996]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  481.484116]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  481.489227]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  481.493826]  ? trace_hardirqs_on+0xbd/0x310
[  481.498149]  ? kasan_check_read+0x11/0x20
[  481.502305]  ? __kthread_parkme+0xce/0x1a0
[  481.506548]  ? trace_hardirqs_off_caller+0x310/0x310
[  481.511663]  ? trace_hardirqs_off_caller+0x310/0x310
[  481.516794]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  481.521904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  481.527452]  ? __kthread_parkme+0xfb/0x1a0
[  481.531697]  ? process_one_work+0x1c40/0x1c40
[  481.536201]  kthread+0x35a/0x440
[  481.539580]  ? kthread_stop+0x900/0x900
[  481.543562]  ret_from_fork+0x3a/0x50
[  481.547302] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  481.547305] Mem-Info:
[  481.547337] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  481.547337]  active_file:16 inactive_file:3 isolated_file:0
[  481.547337]  unevictable:0 dirty:0 writeback:0 unstable:0
[  481.547337]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  481.547337]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  481.547337]  free:13690 free_pcp:879 free_cma:0
[  481.554687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  481.557137] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  481.590092] Call Trace:
[  481.599446] 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
[  481.627312]  <IRQ>
[  481.629888] lowmem_reserve[]: 0 2818 6321 6321
[  481.656034]  dump_stack+0x244/0x39d
[  481.658168] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  481.662785]  ? dump_stack_print_info.cold.1+0x20/0x20
[  481.666390] lowmem_reserve[]: 0 0 3503 3503
[  481.694020]  warn_alloc.cold.116+0xb7/0x1bd
[  481.699193] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  481.703521]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  481.707837] lowmem_reserve[]: 0 0 0 0
[  481.737288]  ? lock_downgrade+0x900/0x900
[  481.742112] 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
[  481.745932]  ? trace_hardirqs_off+0xb8/0x310
[  481.750056] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  481.763599]  ? trace_hardirqs_off+0xb8/0x310
[  481.767985] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  481.783272]  __alloc_pages_slowpath+0x26e8/0x2e10
[  481.787667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  481.801654]  ? warn_alloc+0x120/0x120
[  481.806459] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  481.815321]  ? print_usage_bug+0xc0/0xc0
[  481.819094] 4380 total pagecache pages
[  481.827693]  ? warn_alloc+0x120/0x120
[  481.831787] 0 pages in swap cache
[  481.835688]  ? warn_alloc+0x120/0x120
[  481.839470] Swap cache stats: add 0, delete 0, find 0/0
[  481.842922]  ? print_usage_bug+0xc0/0xc0
[  481.846800] Free swap  = 0kB
[  481.852166]  ? print_usage_bug+0xc0/0xc0
[  481.856200] Total swap = 0kB
[  481.856209] 1965979 pages RAM
[  481.859231]  ? __lock_acquire+0x62f/0x4c20
[  481.863275] 0 pages HighMem/MovableOnly
[  481.866296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  481.869404] 342854 pages reserved
[  481.873638]  ? should_fail+0x22d/0xd01
[  481.877588] 0 pages cma reserved
[  481.877765] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  481.883135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  481.886593] kworker/0:2 cpuset=/ mems_allowed=0
[  481.890485]  ? __lock_acquire+0x62f/0x4c20
[  481.918122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  481.923233]  ? __lock_acquire+0x62f/0x4c20
[  481.927469]  ? should_fail+0x22d/0xd01
[  481.931363]  ? find_held_lock+0x36/0x1c0
[  481.935434]  ? mark_held_locks+0x130/0x130
[  481.939678]  ? mark_held_locks+0x130/0x130
[  481.943911]  ? zap_class+0x640/0x640
[  481.947630]  ? zap_class+0x640/0x640
[  481.951348]  ? print_usage_bug+0xc0/0xc0
[  481.955410]  ? do_raw_spin_unlock+0xa7/0x330
[  481.959820]  ? zap_class+0x640/0x640
[  481.963538]  ? print_usage_bug+0xc0/0xc0
[  481.967614]  ? wq_watchdog_touch+0x9c/0xfe
[  481.971869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.977424]  ? check_preemption_disabled+0x48/0x280
[  481.982453]  ? __lock_is_held+0xb5/0x140
[  481.986526]  __alloc_pages_nodemask+0xa80/0xde0
[  481.991203]  ? zap_class+0x640/0x640
[  481.994923]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  481.999952]  ? find_held_lock+0x36/0x1c0
[  482.004033]  ? ____cache_alloc_node+0x1c7/0x1e0
[  482.008708]  ? lock_downgrade+0x900/0x900
[  482.013393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.018950]  cache_grow_begin+0xa5/0x8c0
[  482.023019]  ? do_raw_spin_unlock+0xa7/0x330
[  482.027439]  fallback_alloc+0x204/0x2e0
[  482.031422]  ____cache_alloc_node+0x1c7/0x1e0
[  482.035949]  kmem_cache_alloc_node+0xe3/0x730
[  482.040456]  ? ipv6_get_ifaddr+0x42e/0x620
[  482.044704]  __alloc_skb+0x119/0x770
[  482.048421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  482.053709]  ? netdev_alloc_frag+0x1f0/0x1f0
[  482.058127]  ? lock_downgrade+0x900/0x900
[  482.062289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.067829]  ? refcount_sub_and_test_checked+0x203/0x310
[  482.073307]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  482.078776]  ? addrconf_rs_timer+0x690/0x690
[  482.083201]  ndisc_alloc_skb+0x144/0x340
[  482.087271]  ndisc_send_rs+0x331/0x6e0
[  482.091169]  addrconf_rs_timer+0x314/0x690
[  482.095412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.099662]  call_timer_fn+0x272/0x920
[  482.103553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.107792]  ? process_timeout+0x40/0x40
[  482.111876]  ? __run_timers+0x7da/0xc70
[  482.115859]  ? _raw_spin_unlock_irq+0x27/0x80
[  482.120354]  ? _raw_spin_unlock_irq+0x27/0x80
[  482.124851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.129093]  ? lockdep_hardirqs_on+0x296/0x5b0
[  482.133684]  ? trace_hardirqs_on+0xbd/0x310
[  482.138019]  ? kasan_check_read+0x11/0x20
[  482.142170]  ? __run_timers+0x7da/0xc70
[  482.146151]  ? trace_hardirqs_off_caller+0x310/0x310
[  482.151260]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.155513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.159754]  __run_timers+0x7e5/0xc70
[  482.163571]  ? timer_fixup_init+0x70/0x70
[  482.167725]  ? lock_acquire+0x1ed/0x520
[  482.171722]  ? zap_class+0x640/0x640
[  482.175457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.181008]  ? kasan_check_read+0x11/0x20
[  482.185158]  ? do_raw_spin_lock+0x14f/0x350
[  482.189503]  ? find_held_lock+0x36/0x1c0
[  482.193580]  ? zap_class+0x640/0x640
[  482.197310]  ? pvclock_read_flags+0x160/0x160
[  482.201814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.207361]  ? check_preemption_disabled+0x48/0x280
[  482.212389]  ? __lock_is_held+0xb5/0x140
[  482.216455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.222003]  ? check_preemption_disabled+0x48/0x280
[  482.227028]  run_timer_softirq+0x52/0xb0
[  482.231116]  ? rcu_read_lock_sched_held+0x14f/0x180
[  482.236139]  __do_softirq+0x308/0xb7e
[  482.239949]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  482.244454]  ? lock_downgrade+0x900/0x900
[  482.248611]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  482.253727]  ? pvclock_read_flags+0x160/0x160
[  482.258232]  ? lapic_next_event+0x5a/0x90
[  482.262389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.267961]  ? kvm_clock_read+0x18/0x30
[  482.271958]  ? kvm_sched_clock_read+0x9/0x20
[  482.276385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.281928]  ? check_preemption_disabled+0x48/0x280
[  482.286962]  irq_exit+0x17f/0x1c0
[  482.290431]  smp_apic_timer_interrupt+0x1cb/0x760
[  482.295279]  ? smp_reschedule_interrupt+0x109/0x650
[  482.300297]  ? smp_call_function_single_interrupt+0x650/0x650
[  482.306197]  ? interrupt_entry+0xb5/0xc0
[  482.310280]  ? trace_hardirqs_off_caller+0xbb/0x310
[  482.315297]  ? trace_hardirqs_off_caller+0xbb/0x310
[  482.320317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  482.325172]  ? trace_hardirqs_on_caller+0x310/0x310
[  482.330183]  ? trace_hardirqs_on_caller+0x310/0x310
[  482.335201]  ? task_prio+0x50/0x50
[  482.338751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.344295]  ? check_preemption_disabled+0x48/0x280
[  482.349326]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  482.354182]  apic_timer_interrupt+0xf/0x20
[  482.358413]  </IRQ>
[  482.360654] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  482.365591] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  482.384501] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  482.392219] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  482.399490] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  482.406763] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  482.414033] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  482.421303] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  482.428621]  skb_clone+0x1bb/0x500
[  482.432178]  ? finish_task_switch+0x1b4/0x910
[  482.436675]  ? skb_split+0x11e0/0x11e0
[  482.440569]  ? preempt_notifier_register+0x200/0x200
[  482.445676]  ? __switch_to_asm+0x34/0x70
[  482.449735]  ? __switch_to_asm+0x34/0x70
[  482.453799]  ? __switch_to_asm+0x40/0x70
[  482.457859]  ? __switch_to_asm+0x34/0x70
[  482.461918]  ? __switch_to_asm+0x40/0x70
[  482.465989]  ? __switch_to_asm+0x34/0x70
[  482.470049]  ? __switch_to_asm+0x40/0x70
[  482.474110]  ? __switch_to_asm+0x34/0x70
[  482.478178]  ? __switch_to_asm+0x34/0x70
[  482.482237]  ? __switch_to_asm+0x40/0x70
[  482.486295]  ? __switch_to_asm+0x34/0x70
[  482.490366]  bpf_clone_redirect+0xb9/0x490
[  482.494613]  ? __schedule+0x8d7/0x21d0
[  482.498514]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  482.503541]  ? __sched_text_start+0x8/0x8
[  482.507698]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  482.512281]  ? retint_kernel+0x2d/0x2d
[  482.516172]  ? trace_hardirqs_on_caller+0xc0/0x310
[  482.521112]  ? find_held_lock+0x36/0x1c0
[  482.525185]  ? lock_acquire+0x1ed/0x520
[  482.529161]  ? bpf_test_run+0x3cb/0x780
[  482.533138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.538680]  ? check_preemption_disabled+0x48/0x280
[  482.543706]  ? kasan_check_read+0x11/0x20
[  482.547879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  482.553158]  ? rcu_softirq_qs+0x20/0x20
[  482.557139]  ? preempt_schedule+0x4d/0x60
[  482.561290]  ? ___preempt_schedule+0x16/0x18
[  482.565732]  ? bpf_test_run+0x25d/0x780
[  482.569769]  ? netlink_diag_dump+0x2a0/0x2a0
[  482.574201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  482.579757]  ? bpf_test_init.isra.10+0x70/0x100
[  482.584441]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  482.589210]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  482.594054]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  482.599596]  ? fput+0x130/0x1a0
[  482.602879]  ? __bpf_prog_get+0x9b/0x290
[  482.606945]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  482.611792]  ? bpf_prog_test_run+0x130/0x1a0
[  482.616211]  ? __x64_sys_bpf+0x3d8/0x520
[  482.620277]  ? bpf_prog_get+0x20/0x20
[  482.624101]  ? do_syscall_64+0x1b9/0x820
[  482.628164]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  482.633565]  ? syscall_return_slowpath+0x5e0/0x5e0
[  482.638496]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  482.643347]  ? trace_hardirqs_on_caller+0x310/0x310
[  482.648372]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  482.653397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.658944]  ? prepare_exit_to_usermode+0x291/0x3b0
[  482.663984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  482.668840]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  482.674227] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  482.674317] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  482.681348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  482.681374] Workqueue: events_power_efficient neigh_periodic_work
[  482.681381] Call Trace:
[  482.681391]  <IRQ>
[  482.688002] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  482.697259]  dump_stack+0x244/0x39d
[  482.703468] syz-executor1 cpuset=syz1 mems_allowed=0
[  482.706061]  ? dump_stack_print_info.cold.1+0x20/0x20
[  482.732567]  warn_alloc.cold.116+0xb7/0x1bd
[  482.736924]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  482.741778]  ? lock_downgrade+0x900/0x900
[  482.745943]  ? trace_hardirqs_off+0xb8/0x310
[  482.750384]  ? trace_hardirqs_off+0xb8/0x310
[  482.754815]  __alloc_pages_slowpath+0x26e8/0x2e10
[  482.759693]  ? warn_alloc+0x120/0x120
[  482.763501]  ? warn_alloc+0x120/0x120
[  482.767313]  ? warn_alloc+0x120/0x120
[  482.771130]  ? print_usage_bug+0xc0/0xc0
[  482.775199]  ? print_usage_bug+0xc0/0xc0
[  482.779278]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  482.784484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  482.790028]  ? should_fail+0x22d/0xd01
[  482.793937]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  482.799059]  ? __lock_acquire+0x62f/0x4c20
[  482.803334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  482.808439]  ? __lock_acquire+0x62f/0x4c20
[  482.812674]  ? should_fail+0x22d/0xd01
[  482.816591]  ? mark_held_locks+0x130/0x130
[  482.820843]  ? mark_held_locks+0x130/0x130
[  482.825086]  ? update_stack_state+0x1a5/0x690
[  482.829606]  ? zap_class+0x640/0x640
[  482.833325]  ? ret_from_fork+0x3a/0x50
[  482.837220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.842771]  ? check_preemption_disabled+0x48/0x280
[  482.847806]  ? __lock_is_held+0xb5/0x140
[  482.851881]  __alloc_pages_nodemask+0xa80/0xde0
[  482.856553]  ? zap_class+0x640/0x640
[  482.860286]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  482.865325]  ? find_held_lock+0x36/0x1c0
[  482.869401]  ? ____cache_alloc_node+0x1c7/0x1e0
[  482.874081]  ? lock_downgrade+0x900/0x900
[  482.878255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.883804]  cache_grow_begin+0xa5/0x8c0
[  482.887877]  ? do_raw_spin_unlock+0xa7/0x330
[  482.892319]  fallback_alloc+0x204/0x2e0
[  482.896309]  ____cache_alloc_node+0x1c7/0x1e0
[  482.900816]  kmem_cache_alloc_node+0xe3/0x730
[  482.905791]  ? mark_held_locks+0xc7/0x130
[  482.909955]  __alloc_skb+0x119/0x770
[  482.913695]  ? netdev_alloc_frag+0x1f0/0x1f0
[  482.918110]  ? do_raw_spin_trylock+0x270/0x270
[  482.922700]  ? kmem_cache_alloc_trace+0x353/0x750
[  482.927553]  ? queue_work_on+0x12c/0x1e0
[  482.931627]  ? switchdev_port_obj_del+0xdc/0x440
[  482.936390]  ? switchdev_trans_item_enqueue+0x260/0x260
[  482.941760]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  482.946792]  __br_mdb_notify+0x4ff/0x15d0
[  482.950954]  ? __br_mdb_add+0x7f0/0x7f0
[  482.954950]  ? zap_class+0x640/0x640
[  482.958681]  ? br_multicast_group_expired+0x96/0x610
[  482.963797]  ? lock_downgrade+0x900/0x900
[  482.967955]  br_mdb_notify+0x310/0x410
[  482.971857]  ? br_mdb_dump+0x27b0/0x27b0
[  482.975937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.981488]  br_multicast_group_expired+0x1bc/0x610
[  482.986518]  ? br_mdb_free+0x80/0x80
[  482.990262]  call_timer_fn+0x272/0x920
[  482.994162]  ? br_mdb_free+0x80/0x80
[  482.997881]  ? process_timeout+0x40/0x40
[  483.001961]  ? mark_held_locks+0xc7/0x130
[  483.006126]  ? _raw_spin_unlock_irq+0x27/0x80
[  483.010621]  ? _raw_spin_unlock_irq+0x27/0x80
[  483.015122]  ? br_mdb_free+0x80/0x80
[  483.018841]  ? lockdep_hardirqs_on+0x296/0x5b0
[  483.023429]  ? trace_hardirqs_on+0xbd/0x310
[  483.027757]  ? kasan_check_read+0x11/0x20
[  483.031907]  ? __run_timers+0x7da/0xc70
[  483.035887]  ? trace_hardirqs_off_caller+0x310/0x310
[  483.041020]  ? br_mdb_free+0x80/0x80
[  483.044736]  __run_timers+0x7e5/0xc70
[  483.048552]  ? timer_fixup_init+0x70/0x70
[  483.052705]  ? lock_downgrade+0x900/0x900
[  483.056851]  ? zap_class+0x640/0x640
[  483.060576]  ? print_usage_bug+0xc0/0xc0
[  483.064643]  ? trace_hardirqs_on+0x310/0x310
[  483.069066]  ? kvm_clock_read+0x18/0x30
[  483.073042]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  483.078066]  ? ktime_get+0x2c1/0x400
[  483.081791]  ? zap_class+0x640/0x640
[  483.085512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.091247]  ? check_preemption_disabled+0x48/0x280
[  483.096288]  ? __lock_is_held+0xb5/0x140
[  483.100361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.105907]  ? check_preemption_disabled+0x48/0x280
[  483.110941]  run_timer_softirq+0x52/0xb0
[  483.115023]  ? rcu_read_lock_sched_held+0x14f/0x180
[  483.120069]  __do_softirq+0x308/0xb7e
[  483.123895]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  483.129005]  ? irq_exit+0xbd/0x1c0
[  483.132557]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  483.137579]  ? smp_call_function_single_interrupt+0x650/0x650
[  483.143466]  ? ret_from_intr+0xb/0x1e
[  483.147277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  483.152300]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  483.157154]  ? trace_hardirqs_on_caller+0x310/0x310
[  483.162177]  ? task_prio+0x50/0x50
[  483.165724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.171275]  ? check_preemption_disabled+0x48/0x280
[  483.176303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  483.181160]  ? neigh_periodic_work+0x6bd/0xc60
[  483.185753]  do_softirq_own_stack+0x2a/0x40
[  483.190099]  </IRQ>
[  483.192339]  do_softirq.part.14+0x126/0x160
[  483.196683]  __local_bh_enable_ip+0x21d/0x260
[  483.201204]  _raw_write_unlock_bh+0x30/0x40
[  483.205724]  neigh_periodic_work+0x6bd/0xc60
[  483.210148]  ? neigh_table_clear+0x390/0x390
[  483.214562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.220108]  ? check_preemption_disabled+0x48/0x280
[  483.225152]  ? __lock_is_held+0xb5/0x140
[  483.229263]  process_one_work+0xc90/0x1c40
[  483.233505]  ? mark_held_locks+0x130/0x130
[  483.237791]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  483.242470]  ? __switch_to_asm+0x40/0x70
[  483.246553]  ? __switch_to_asm+0x40/0x70
[  483.250622]  ? __switch_to_asm+0x34/0x70
[  483.254686]  ? __switch_to_asm+0x40/0x70
[  483.258749]  ? __switch_to_asm+0x34/0x70
[  483.262829]  ? __switch_to_asm+0x40/0x70
[  483.266884]  ? __switch_to_asm+0x34/0x70
[  483.270947]  ? __switch_to_asm+0x40/0x70
[  483.275115]  ? __schedule+0x8d7/0x21d0
[  483.279026]  ? trace_hardirqs_off_caller+0xbb/0x310
[  483.284077]  ? lock_downgrade+0x900/0x900
[  483.288251]  ? zap_class+0x640/0x640
[  483.291968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  483.296847]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  483.301461]  ? lock_acquire+0x1ed/0x520
[  483.305442]  ? worker_thread+0x3e0/0x1390
[  483.309603]  ? kasan_check_read+0x11/0x20
[  483.313753]  ? do_raw_spin_lock+0x14f/0x350
[  483.318112]  ? kasan_check_read+0x11/0x20
[  483.322300]  ? rwlock_bug.part.2+0x90/0x90
[  483.326537]  ? trace_hardirqs_on+0x310/0x310
[  483.330965]  worker_thread+0x17f/0x1390
[  483.334948]  ? __switch_to_asm+0x34/0x70
[  483.339043]  ? process_one_work+0x1c40/0x1c40
[  483.343556]  ? zap_class+0x640/0x640
[  483.347281]  ? find_held_lock+0x36/0x1c0
[  483.351371]  ? __kthread_parkme+0xce/0x1a0
[  483.355613]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  483.360716]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  483.365858]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  483.370445]  ? trace_hardirqs_on+0xbd/0x310
[  483.374798]  ? kasan_check_read+0x11/0x20
[  483.378972]  ? __kthread_parkme+0xce/0x1a0
[  483.383222]  ? trace_hardirqs_off_caller+0x310/0x310
[  483.388336]  ? trace_hardirqs_off_caller+0x310/0x310
[  483.393475]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  483.398585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  483.404130]  ? __kthread_parkme+0xfb/0x1a0
[  483.408370]  ? process_one_work+0x1c40/0x1c40
[  483.412867]  kthread+0x35a/0x440
[  483.416246]  ? kthread_stop+0x900/0x900
[  483.420228]  ret_from_fork+0x3a/0x50
[  483.423963] warn_alloc_show_mem: 1 callbacks suppressed
[  483.423976] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  483.423987] Mem-Info:
[  483.429362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  483.436733] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  483.436733]  active_file:16 inactive_file:3 isolated_file:0
[  483.436733]  unevictable:0 dirty:0 writeback:0 unstable:0
[  483.436733]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  483.436733]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  483.436733]  free:13690 free_pcp:879 free_cma:0
[  483.439122] Call Trace:
[  483.448515] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  483.481496]  <IRQ>
[  483.484081] 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
[  483.511951]  dump_stack+0x244/0x39d
[  483.514082] lowmem_reserve[]: 0 2818 6321 6321
[  483.540196]  ? dump_stack_print_info.cold.1+0x20/0x20
[  483.543804] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  483.548393]  warn_alloc.cold.116+0xb7/0x1bd
[  483.553544] lowmem_reserve[]: 0 0 3503 3503
[  483.581144]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  483.585450] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  483.589775]  ? lock_downgrade+0x900/0x900
[  483.594595] lowmem_reserve[]: 0 0 0 0
[  483.623925]  ? trace_hardirqs_off+0xb8/0x310
[  483.628048] 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
[  483.631848]  ? trace_hardirqs_off+0xb8/0x310
[  483.636232] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  483.649767]  __alloc_pages_slowpath+0x26e8/0x2e10
[  483.654147] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  483.669429]  ? warn_alloc+0x120/0x120
[  483.674236] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  483.688188]  ? print_usage_bug+0xc0/0xc0
[  483.691985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  483.700809]  ? warn_alloc+0x120/0x120
[  483.704852] 4380 total pagecache pages
[  483.713427]  ? warn_alloc+0x120/0x120
[  483.717234] 0 pages in swap cache
[  483.721133]  ? print_usage_bug+0xc0/0xc0
[  483.724915] Swap cache stats: add 0, delete 0, find 0/0
[  483.728363]  ? kvm_clock_read+0x18/0x30
[  483.732400] Free swap  = 0kB
[  483.737758]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  483.741719] Total swap = 0kB
[  483.744737]  ? print_usage_bug+0xc0/0xc0
[  483.749731] 1965979 pages RAM
[  483.752760]  ? __lock_acquire+0x62f/0x4c20
[  483.756823] 0 pages HighMem/MovableOnly
[  483.759944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  483.764161] 342854 pages reserved
[  483.768137]  ? should_fail+0x22d/0xd01
[  483.773666] 0 pages cma reserved
[  483.777114]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  483.781177] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  483.784375]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  483.789633] kworker/0:2 cpuset=/ mems_allowed=0
[  483.799945]  ? __lock_acquire+0x62f/0x4c20
[  483.813932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  483.819036]  ? __lock_acquire+0x62f/0x4c20
[  483.823276]  ? should_fail+0x22d/0xd01
[  483.827172]  ? rcu_irq_exit+0x1a2/0x390
[  483.831166]  ? mark_held_locks+0x130/0x130
[  483.835429]  ? mark_held_locks+0x130/0x130
[  483.839687]  ? mark_held_locks+0xc7/0x130
[  483.843855]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  483.848896]  ? zap_class+0x640/0x640
[  483.852628]  ? print_usage_bug+0xc0/0xc0
[  483.856707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.862262]  ? check_preemption_disabled+0x48/0x280
[  483.867315]  ? __lock_is_held+0xb5/0x140
[  483.871390]  __alloc_pages_nodemask+0xa80/0xde0
[  483.876077]  ? zap_class+0x640/0x640
[  483.879802]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  483.884877]  ? find_held_lock+0x36/0x1c0
[  483.888961]  ? ____cache_alloc_node+0x1c7/0x1e0
[  483.893641]  ? lock_downgrade+0x900/0x900
[  483.897822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.903391]  cache_grow_begin+0xa5/0x8c0
[  483.907469]  ? do_raw_spin_unlock+0xa7/0x330
[  483.911904]  fallback_alloc+0x204/0x2e0
[  483.915894]  ____cache_alloc_node+0x1c7/0x1e0
[  483.920408]  kmem_cache_alloc_node+0xe3/0x730
[  483.924916]  ? ipv6_get_ifaddr+0x42e/0x620
[  483.929175]  __alloc_skb+0x119/0x770
[  483.932892]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  483.938178]  ? netdev_alloc_frag+0x1f0/0x1f0
[  483.942593]  ? lock_downgrade+0x900/0x900
[  483.946778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.952335]  ? refcount_sub_and_test_checked+0x203/0x310
[  483.957793]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  483.963291]  ? addrconf_rs_timer+0x690/0x690
[  483.967721]  ndisc_alloc_skb+0x144/0x340
[  483.971815]  ndisc_send_rs+0x331/0x6e0
[  483.975714]  addrconf_rs_timer+0x314/0x690
[  483.979975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.984222]  call_timer_fn+0x272/0x920
[  483.988116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.992354]  ? process_timeout+0x40/0x40
[  483.996425]  ? __run_timers+0x7da/0xc70
[  484.000408]  ? _raw_spin_unlock_irq+0x27/0x80
[  484.004906]  ? _raw_spin_unlock_irq+0x27/0x80
[  484.009816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  484.014078]  ? lockdep_hardirqs_on+0x296/0x5b0
[  484.018668]  ? trace_hardirqs_on+0xbd/0x310
[  484.023000]  ? kasan_check_read+0x11/0x20
[  484.027169]  ? __run_timers+0x7da/0xc70
[  484.031146]  ? trace_hardirqs_off_caller+0x310/0x310
[  484.036266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  484.040514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  484.044775]  __run_timers+0x7e5/0xc70
[  484.048593]  ? timer_fixup_init+0x70/0x70
[  484.052774]  ? lock_acquire+0x1ed/0x520
[  484.056761]  ? zap_class+0x640/0x640
[  484.061188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.066745]  ? kasan_check_read+0x11/0x20
[  484.070914]  ? do_raw_spin_lock+0x14f/0x350
[  484.075280]  ? find_held_lock+0x36/0x1c0
[  484.079369]  ? zap_class+0x640/0x640
[  484.083108]  ? pvclock_read_flags+0x160/0x160
[  484.087622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.093168]  ? check_preemption_disabled+0x48/0x280
[  484.098203]  ? __lock_is_held+0xb5/0x140
[  484.102275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.107830]  ? check_preemption_disabled+0x48/0x280
[  484.112861]  run_timer_softirq+0x52/0xb0
[  484.116931]  ? rcu_read_lock_sched_held+0x14f/0x180
[  484.121955]  __do_softirq+0x308/0xb7e
[  484.125781]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  484.130278]  ? lock_downgrade+0x900/0x900
[  484.134441]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  484.139565]  ? pvclock_read_flags+0x160/0x160
[  484.144071]  ? lapic_next_event+0x5a/0x90
[  484.148227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.153781]  ? kvm_clock_read+0x18/0x30
[  484.157766]  ? kvm_sched_clock_read+0x9/0x20
[  484.162183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.167771]  ? check_preemption_disabled+0x48/0x280
[  484.172827]  irq_exit+0x17f/0x1c0
[  484.176288]  smp_apic_timer_interrupt+0x1cb/0x760
[  484.181133]  ? smp_reschedule_interrupt+0x109/0x650
[  484.186163]  ? smp_call_function_single_interrupt+0x650/0x650
[  484.192054]  ? interrupt_entry+0xb5/0xc0
[  484.196123]  ? trace_hardirqs_off_caller+0xbb/0x310
[  484.201144]  ? trace_hardirqs_off_caller+0xbb/0x310
[  484.206167]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.211017]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.216037]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.221065]  ? task_prio+0x50/0x50
[  484.224612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.230161]  ? check_preemption_disabled+0x48/0x280
[  484.235194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.240054]  apic_timer_interrupt+0xf/0x20
[  484.244287]  </IRQ>
[  484.246531] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  484.251469] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  484.270392] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  484.278113] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  484.285409] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  484.292704] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  484.299988] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  484.307267] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  484.314601]  skb_clone+0x1bb/0x500
[  484.318152]  ? finish_task_switch+0x1b4/0x910
[  484.322658]  ? skb_split+0x11e0/0x11e0
[  484.326558]  ? preempt_notifier_register+0x200/0x200
[  484.331670]  ? __switch_to_asm+0x34/0x70
[  484.335745]  ? __switch_to_asm+0x34/0x70
[  484.339809]  ? __switch_to_asm+0x40/0x70
[  484.343870]  ? __switch_to_asm+0x34/0x70
[  484.347934]  ? __switch_to_asm+0x40/0x70
[  484.352006]  ? __switch_to_asm+0x34/0x70
[  484.356072]  ? __switch_to_asm+0x40/0x70
[  484.360142]  ? __switch_to_asm+0x34/0x70
[  484.364214]  ? __switch_to_asm+0x34/0x70
[  484.368277]  ? __switch_to_asm+0x40/0x70
[  484.372338]  ? __switch_to_asm+0x34/0x70
[  484.376414]  bpf_clone_redirect+0xb9/0x490
[  484.380661]  ? __schedule+0x8d7/0x21d0
[  484.384564]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  484.389591]  ? __sched_text_start+0x8/0x8
[  484.393758]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  484.398349]  ? retint_kernel+0x2d/0x2d
[  484.402242]  ? trace_hardirqs_on_caller+0xc0/0x310
[  484.407216]  ? find_held_lock+0x36/0x1c0
[  484.411306]  ? lock_acquire+0x1ed/0x520
[  484.415291]  ? bpf_test_run+0x3cb/0x780
[  484.419284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.424833]  ? check_preemption_disabled+0x48/0x280
[  484.429862]  ? kasan_check_read+0x11/0x20
[  484.434030]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  484.439312]  ? rcu_softirq_qs+0x20/0x20
[  484.443298]  ? preempt_schedule+0x4d/0x60
[  484.447454]  ? ___preempt_schedule+0x16/0x18
[  484.451878]  ? bpf_test_run+0x25d/0x780
[  484.455871]  ? netlink_diag_dump+0x2a0/0x2a0
[  484.460292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  484.465839]  ? bpf_test_init.isra.10+0x70/0x100
[  484.470523]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  484.475297]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  484.480146]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  484.485701]  ? fput+0x130/0x1a0
[  484.489031]  ? __bpf_prog_get+0x9b/0x290
[  484.493105]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  484.497953]  ? bpf_prog_test_run+0x130/0x1a0
[  484.502381]  ? __x64_sys_bpf+0x3d8/0x520
[  484.506449]  ? bpf_prog_get+0x20/0x20
[  484.510276]  ? do_syscall_64+0x1b9/0x820
[  484.514342]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  484.519721]  ? syscall_return_slowpath+0x5e0/0x5e0
[  484.524663]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.529523]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.534562]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  484.539587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.545130]  ? prepare_exit_to_usermode+0x291/0x3b0
[  484.550158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.555020]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  484.560413] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  484.560503] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  484.567530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  484.567558] Workqueue: events_power_efficient neigh_periodic_work
[  484.574193] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  484.583386] Call Trace:
[  484.589620] syz-executor1 cpuset=syz1 mems_allowed=0
[  484.600103]  <IRQ>
[  484.609932]  dump_stack+0x244/0x39d
[  484.613574]  ? dump_stack_print_info.cold.1+0x20/0x20
[  484.618782]  warn_alloc.cold.116+0xb7/0x1bd
[  484.623112]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  484.627964]  ? lock_downgrade+0x900/0x900
[  484.632127]  ? trace_hardirqs_off+0xb8/0x310
[  484.636544]  ? trace_hardirqs_off+0xb8/0x310
[  484.640972]  __alloc_pages_slowpath+0x26e8/0x2e10
[  484.645854]  ? warn_alloc+0x120/0x120
[  484.649668]  ? warn_alloc+0x120/0x120
[  484.653478]  ? warn_alloc+0x120/0x120
[  484.657286]  ? print_usage_bug+0xc0/0xc0
[  484.661355]  ? print_usage_bug+0xc0/0xc0
[  484.665421]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  484.670628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  484.676195]  ? should_fail+0x22d/0xd01
[  484.680125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  484.685275]  ? __lock_acquire+0x62f/0x4c20
[  484.689548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  484.694675]  ? __lock_acquire+0x62f/0x4c20
[  484.698922]  ? should_fail+0x22d/0xd01
[  484.702840]  ? mark_held_locks+0x130/0x130
[  484.707091]  ? mark_held_locks+0x130/0x130
[  484.711331]  ? update_stack_state+0x1a5/0x690
[  484.715845]  ? zap_class+0x640/0x640
[  484.719563]  ? ret_from_fork+0x3a/0x50
[  484.723463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.729012]  ? check_preemption_disabled+0x48/0x280
[  484.734048]  ? __lock_is_held+0xb5/0x140
[  484.738132]  __alloc_pages_nodemask+0xa80/0xde0
[  484.742811]  ? zap_class+0x640/0x640
[  484.746535]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  484.751576]  ? find_held_lock+0x36/0x1c0
[  484.755653]  ? ____cache_alloc_node+0x1c7/0x1e0
[  484.760336]  ? lock_downgrade+0x900/0x900
[  484.764496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.770049]  cache_grow_begin+0xa5/0x8c0
[  484.774117]  ? do_raw_spin_unlock+0xa7/0x330
[  484.778541]  fallback_alloc+0x204/0x2e0
[  484.782529]  ____cache_alloc_node+0x1c7/0x1e0
[  484.787038]  kmem_cache_alloc_node+0xe3/0x730
[  484.791543]  ? mark_held_locks+0xc7/0x130
[  484.795705]  __alloc_skb+0x119/0x770
[  484.799446]  ? netdev_alloc_frag+0x1f0/0x1f0
[  484.803864]  ? do_raw_spin_trylock+0x270/0x270
[  484.808459]  ? kmem_cache_alloc_trace+0x353/0x750
[  484.813330]  ? queue_work_on+0x12c/0x1e0
[  484.817426]  ? switchdev_port_obj_del+0xdc/0x440
[  484.822219]  ? switchdev_trans_item_enqueue+0x260/0x260
[  484.827629]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  484.832682]  __br_mdb_notify+0x4ff/0x15d0
[  484.836859]  ? __br_mdb_add+0x7f0/0x7f0
[  484.840859]  ? zap_class+0x640/0x640
[  484.844591]  ? br_multicast_group_expired+0x96/0x610
[  484.849703]  ? lock_downgrade+0x900/0x900
[  484.853873]  br_mdb_notify+0x310/0x410
[  484.857774]  ? br_mdb_dump+0x27b0/0x27b0
[  484.861857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.867413]  br_multicast_group_expired+0x1bc/0x610
[  484.872449]  ? br_mdb_free+0x80/0x80
[  484.876181]  call_timer_fn+0x272/0x920
[  484.880085]  ? br_mdb_free+0x80/0x80
[  484.883807]  ? process_timeout+0x40/0x40
[  484.887923]  ? mark_held_locks+0xc7/0x130
[  484.892095]  ? _raw_spin_unlock_irq+0x27/0x80
[  484.896617]  ? _raw_spin_unlock_irq+0x27/0x80
[  484.901140]  ? br_mdb_free+0x80/0x80
[  484.905383]  ? lockdep_hardirqs_on+0x296/0x5b0
[  484.909998]  ? trace_hardirqs_on+0xbd/0x310
[  484.914341]  ? kasan_check_read+0x11/0x20
[  484.918503]  ? __run_timers+0x7da/0xc70
[  484.922491]  ? trace_hardirqs_off_caller+0x310/0x310
[  484.927627]  ? br_mdb_free+0x80/0x80
[  484.931357]  ? br_mdb_free+0x80/0x80
[  484.935091]  __run_timers+0x7e5/0xc70
[  484.938931]  ? timer_fixup_init+0x70/0x70
[  484.943089]  ? lock_downgrade+0x900/0x900
[  484.947265]  ? zap_class+0x640/0x640
[  484.950995]  ? print_usage_bug+0xc0/0xc0
[  484.955077]  ? trace_hardirqs_on+0x310/0x310
[  484.959525]  ? kvm_clock_read+0x18/0x30
[  484.963532]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  484.968613]  ? ktime_get+0x2c1/0x400
[  484.972365]  ? zap_class+0x640/0x640
[  484.976103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.981661]  ? check_preemption_disabled+0x48/0x280
[  484.986707]  ? __lock_is_held+0xb5/0x140
[  484.990785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.996337]  ? check_preemption_disabled+0x48/0x280
[  485.001375]  run_timer_softirq+0x52/0xb0
[  485.005450]  ? rcu_read_lock_sched_held+0x14f/0x180
[  485.010481]  __do_softirq+0x308/0xb7e
[  485.014306]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  485.019416]  ? irq_exit+0xbd/0x1c0
[  485.022969]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  485.028004]  ? smp_call_function_single_interrupt+0x650/0x650
[  485.033901]  ? ret_from_intr+0xb/0x1e
[  485.037719]  ? trace_hardirqs_off_caller+0xbb/0x310
[  485.042746]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  485.047613]  ? trace_hardirqs_on_caller+0x310/0x310
[  485.052651]  ? task_prio+0x50/0x50
[  485.056204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.061757]  ? check_preemption_disabled+0x48/0x280
[  485.066798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  485.071657]  ? neigh_periodic_work+0x6bd/0xc60
[  485.076257]  do_softirq_own_stack+0x2a/0x40
[  485.080581]  </IRQ>
[  485.082829]  do_softirq.part.14+0x126/0x160
[  485.087164]  __local_bh_enable_ip+0x21d/0x260
[  485.091672]  _raw_write_unlock_bh+0x30/0x40
[  485.096014]  neigh_periodic_work+0x6bd/0xc60
[  485.100439]  ? neigh_table_clear+0x390/0x390
[  485.104860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.110418]  ? check_preemption_disabled+0x48/0x280
[  485.115456]  ? __lock_is_held+0xb5/0x140
[  485.119538]  process_one_work+0xc90/0x1c40
[  485.123781]  ? mark_held_locks+0x130/0x130
[  485.128033]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  485.132717]  ? __switch_to_asm+0x40/0x70
[  485.136808]  ? __switch_to_asm+0x40/0x70
[  485.140896]  ? __switch_to_asm+0x34/0x70
[  485.144997]  ? __switch_to_asm+0x40/0x70
[  485.149091]  ? __switch_to_asm+0x34/0x70
[  485.153172]  ? __switch_to_asm+0x40/0x70
[  485.157249]  ? __switch_to_asm+0x34/0x70
[  485.161315]  ? __switch_to_asm+0x40/0x70
[  485.165392]  ? __schedule+0x8d7/0x21d0
[  485.169293]  ? trace_hardirqs_off_caller+0xbb/0x310
[  485.174328]  ? lock_downgrade+0x900/0x900
[  485.178495]  ? zap_class+0x640/0x640
[  485.182220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  485.187085]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  485.191696]  ? lock_acquire+0x1ed/0x520
[  485.195677]  ? worker_thread+0x3e0/0x1390
[  485.199885]  ? kasan_check_read+0x11/0x20
[  485.204048]  ? do_raw_spin_lock+0x14f/0x350
[  485.208380]  ? kasan_check_read+0x11/0x20
[  485.212541]  ? rwlock_bug.part.2+0x90/0x90
[  485.216780]  ? trace_hardirqs_on+0x310/0x310
[  485.221212]  worker_thread+0x17f/0x1390
[  485.225200]  ? __switch_to_asm+0x34/0x70
[  485.229289]  ? process_one_work+0x1c40/0x1c40
[  485.233801]  ? zap_class+0x640/0x640
[  485.237535]  ? find_held_lock+0x36/0x1c0
[  485.241629]  ? __kthread_parkme+0xce/0x1a0
[  485.245883]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  485.251028]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  485.256174]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  485.260795]  ? trace_hardirqs_on+0xbd/0x310
[  485.265150]  ? kasan_check_read+0x11/0x20
[  485.269319]  ? __kthread_parkme+0xce/0x1a0
[  485.273569]  ? trace_hardirqs_off_caller+0x310/0x310
[  485.278690]  ? trace_hardirqs_off_caller+0x310/0x310
[  485.283811]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  485.288924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  485.294473]  ? __kthread_parkme+0xfb/0x1a0
[  485.298718]  ? process_one_work+0x1c40/0x1c40
[  485.303220]  kthread+0x35a/0x440
[  485.306602]  ? kthread_stop+0x900/0x900
[  485.310586]  ret_from_fork+0x3a/0x50
[  485.314323] warn_alloc_show_mem: 1 callbacks suppressed
[  485.314335] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  485.314337] Mem-Info:
[  485.314368] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  485.314368]  active_file:16 inactive_file:3 isolated_file:0
[  485.314368]  unevictable:0 dirty:0 writeback:0 unstable:0
[  485.314368]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  485.314368]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  485.314368]  free:13690 free_pcp:879 free_cma:0
[  485.319715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  485.319725] Call Trace:
[  485.327103] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  485.329508]  <IRQ>
[  485.362487] 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
[  485.371869]  dump_stack+0x244/0x39d
[  485.374418] lowmem_reserve[]: 0 2818 6321 6321
[  485.402320]  ? dump_stack_print_info.cold.1+0x20/0x20
[  485.404443] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  485.430579]  warn_alloc.cold.116+0xb7/0x1bd
[  485.434187] lowmem_reserve[]: 0 0 3503 3503
[  485.438774]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  485.443949] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  485.471563]  ? lock_downgrade+0x900/0x900
[  485.475855] lowmem_reserve[]: 0 0 0 0
[  485.480198]  ? trace_hardirqs_off+0xb8/0x310
[  485.485015] 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
[  485.514399]  ? trace_hardirqs_off+0xb8/0x310
[  485.518541] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  485.522374]  __alloc_pages_slowpath+0x26e8/0x2e10
[  485.526755] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  485.540329]  ? warn_alloc+0x120/0x120
[  485.544715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  485.560009]  ? warn_alloc+0x120/0x120
[  485.564842] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  485.564854] 4380 total pagecache pages
[  485.578845]  ? warn_alloc+0x120/0x120
[  485.582638] 0 pages in swap cache
[  485.591495]  ? print_usage_bug+0xc0/0xc0
[  485.595276] Swap cache stats: add 0, delete 0, find 0/0
[  485.595286] Free swap  = 0kB
[  485.603885]  ? print_usage_bug+0xc0/0xc0
[  485.607747] Total swap = 0kB
[  485.607757] 1965979 pages RAM
[  485.611563]  ? zap_class+0x640/0x640
[  485.615004] 0 pages HighMem/MovableOnly
[  485.619074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  485.624407] 342854 pages reserved
[  485.624417] 0 pages cma reserved
[  485.627443]  ? should_fail+0x22d/0xd01
[  485.631652] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  485.634510]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  485.637598] kworker/0:2 cpuset=/ mems_allowed=0
[  485.641315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  485.686728]  ? __lock_acquire+0x62f/0x4c20
[  485.690987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  485.696098]  ? should_fail+0x22d/0xd01
[  485.700005]  ? mark_held_locks+0x130/0x130
[  485.704277]  ? mark_held_locks+0x130/0x130
[  485.708527]  ? print_usage_bug+0xc0/0xc0
[  485.712611]  ? find_held_lock+0x36/0x1c0
[  485.716689]  ? zap_class+0x640/0x640
[  485.720419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.725980]  ? check_preemption_disabled+0x48/0x280
[  485.731031]  ? __lock_is_held+0xb5/0x140
[  485.735114]  __alloc_pages_nodemask+0xa80/0xde0
[  485.739807]  ? zap_class+0x640/0x640
[  485.743542]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  485.748587]  ? find_held_lock+0x36/0x1c0
[  485.752675]  ? ____cache_alloc_node+0x1c7/0x1e0
[  485.757361]  ? lock_downgrade+0x900/0x900
[  485.761533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.767092]  cache_grow_begin+0xa5/0x8c0
[  485.771169]  ? do_raw_spin_unlock+0xa7/0x330
[  485.775602]  fallback_alloc+0x204/0x2e0
[  485.779587]  ____cache_alloc_node+0x1c7/0x1e0
[  485.784095]  kmem_cache_alloc_node+0xe3/0x730
[  485.788598]  ? mark_held_locks+0xc7/0x130
[  485.792787]  __alloc_skb+0x119/0x770
[  485.796515]  ? netdev_alloc_frag+0x1f0/0x1f0
[  485.800928]  ? do_raw_spin_trylock+0x270/0x270
[  485.805517]  ? kmem_cache_alloc_trace+0x353/0x750
[  485.810368]  ? queue_work_on+0x12c/0x1e0
[  485.814449]  ? switchdev_port_obj_del+0xdc/0x440
[  485.819210]  ? switchdev_trans_item_enqueue+0x260/0x260
[  485.824588]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  485.829621]  __br_mdb_notify+0x4ff/0x15d0
[  485.833778]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  485.838898]  ? __br_mdb_add+0x7f0/0x7f0
[  485.842882]  ? mark_held_locks+0x130/0x130
[  485.847133]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  485.852246]  ? debug_object_assert_init+0x368/0x4b0
[  485.857279]  ? trace_hardirqs_off_caller+0x310/0x310
[  485.862394]  ? debug_object_init_on_stack+0x20/0x20
[  485.867429]  ? zap_class+0x640/0x640
[  485.871153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.876728]  br_mdb_notify+0x310/0x410
[  485.880630]  ? br_mdb_dump+0x27b0/0x27b0
[  485.884711]  br_multicast_del_pg+0x3df/0x790
[  485.889141]  ? br_mdb_ip_get+0x940/0x940
[  485.893212]  ? rwlock_bug.part.2+0x90/0x90
[  485.897458]  ? __lock_is_held+0xb5/0x140
[  485.901562]  br_multicast_port_group_expired+0x189/0x1e0
[  485.907025]  call_timer_fn+0x272/0x920
[  485.910920]  ? br_multicast_del_pg+0x790/0x790
[  485.915514]  ? process_timeout+0x40/0x40
[  485.919590]  ? __run_timers+0x7da/0xc70
[  485.923577]  ? _raw_spin_unlock_irq+0x27/0x80
[  485.928083]  ? _raw_spin_unlock_irq+0x27/0x80
[  485.932594]  ? br_multicast_del_pg+0x790/0x790
[  485.937196]  ? lockdep_hardirqs_on+0x296/0x5b0
[  485.941795]  ? trace_hardirqs_on+0xbd/0x310
[  485.946133]  ? kasan_check_read+0x11/0x20
[  485.950298]  ? __run_timers+0x7da/0xc70
[  485.954288]  ? trace_hardirqs_off_caller+0x310/0x310
[  485.959412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  485.963666]  ? br_multicast_del_pg+0x790/0x790
[  485.968260]  __run_timers+0x7e5/0xc70
[  485.972083]  ? timer_fixup_init+0x70/0x70
[  485.976246]  ? lock_acquire+0x1ed/0x520
[  485.980233]  ? zap_class+0x640/0x640
[  485.983962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.989527]  ? kasan_check_read+0x11/0x20
[  485.993691]  ? do_raw_spin_lock+0x14f/0x350
[  485.998037]  ? find_held_lock+0x36/0x1c0
[  486.002115]  ? zap_class+0x640/0x640
[  486.005844]  ? pvclock_read_flags+0x160/0x160
[  486.010870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.016416]  ? check_preemption_disabled+0x48/0x280
[  486.021451]  ? __lock_is_held+0xb5/0x140
[  486.025519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.031067]  ? check_preemption_disabled+0x48/0x280
[  486.036102]  run_timer_softirq+0x52/0xb0
[  486.040173]  ? rcu_read_lock_sched_held+0x14f/0x180
[  486.045197]  __do_softirq+0x308/0xb7e
[  486.049011]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  486.053516]  ? lock_downgrade+0x900/0x900
[  486.057681]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  486.062797]  ? pvclock_read_flags+0x160/0x160
[  486.067303]  ? lapic_next_event+0x5a/0x90
[  486.071461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.077021]  ? kvm_clock_read+0x18/0x30
[  486.081012]  ? kvm_sched_clock_read+0x9/0x20
[  486.085449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.091006]  ? check_preemption_disabled+0x48/0x280
[  486.096041]  irq_exit+0x17f/0x1c0
[  486.099511]  smp_apic_timer_interrupt+0x1cb/0x760
[  486.104362]  ? smp_reschedule_interrupt+0x109/0x650
[  486.109390]  ? smp_call_function_single_interrupt+0x650/0x650
[  486.115280]  ? interrupt_entry+0xb5/0xc0
[  486.119356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  486.124379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  486.129405]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.134256]  ? trace_hardirqs_on_caller+0x310/0x310
[  486.139275]  ? trace_hardirqs_on_caller+0x310/0x310
[  486.144309]  ? task_prio+0x50/0x50
[  486.147861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.153406]  ? check_preemption_disabled+0x48/0x280
[  486.158433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.163296]  apic_timer_interrupt+0xf/0x20
[  486.167527]  </IRQ>
[  486.169773] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  486.174710] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  486.193634] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  486.201354] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  486.208625] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  486.215901] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  486.223175] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  486.230460] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  486.237796]  skb_clone+0x1bb/0x500
[  486.241345]  ? finish_task_switch+0x1b4/0x910
[  486.245847]  ? skb_split+0x11e0/0x11e0
[  486.249749]  ? preempt_notifier_register+0x200/0x200
[  486.255035]  ? __switch_to_asm+0x34/0x70
[  486.259098]  ? __switch_to_asm+0x34/0x70
[  486.263159]  ? __switch_to_asm+0x40/0x70
[  486.267222]  ? __switch_to_asm+0x34/0x70
[  486.271289]  ? __switch_to_asm+0x40/0x70
[  486.275352]  ? __switch_to_asm+0x34/0x70
[  486.279415]  ? __switch_to_asm+0x40/0x70
[  486.283475]  ? __switch_to_asm+0x34/0x70
[  486.287541]  ? __switch_to_asm+0x34/0x70
[  486.291607]  ? __switch_to_asm+0x40/0x70
[  486.295667]  ? __switch_to_asm+0x34/0x70
[  486.299749]  bpf_clone_redirect+0xb9/0x490
[  486.304003]  ? __schedule+0x8d7/0x21d0
[  486.307907]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  486.312937]  ? __sched_text_start+0x8/0x8
[  486.317106]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  486.321691]  ? retint_kernel+0x2d/0x2d
[  486.325590]  ? trace_hardirqs_on_caller+0xc0/0x310
[  486.330558]  ? find_held_lock+0x36/0x1c0
[  486.334633]  ? lock_acquire+0x1ed/0x520
[  486.338611]  ? bpf_test_run+0x3cb/0x780
[  486.342593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.348140]  ? check_preemption_disabled+0x48/0x280
[  486.353169]  ? kasan_check_read+0x11/0x20
[  486.357323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  486.362608]  ? rcu_softirq_qs+0x20/0x20
[  486.366596]  ? preempt_schedule+0x4d/0x60
[  486.370759]  ? ___preempt_schedule+0x16/0x18
[  486.375182]  ? bpf_test_run+0x25d/0x780
[  486.379171]  ? netlink_diag_dump+0x2a0/0x2a0
[  486.383595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  486.389135]  ? bpf_test_init.isra.10+0x70/0x100
[  486.393814]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  486.398587]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  486.403435]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  486.408995]  ? fput+0x130/0x1a0
[  486.412285]  ? __bpf_prog_get+0x9b/0x290
[  486.416359]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  486.421214]  ? bpf_prog_test_run+0x130/0x1a0
[  486.425637]  ? __x64_sys_bpf+0x3d8/0x520
[  486.429710]  ? bpf_prog_get+0x20/0x20
[  486.433542]  ? do_syscall_64+0x1b9/0x820
[  486.437610]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  486.442999]  ? syscall_return_slowpath+0x5e0/0x5e0
[  486.447941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.452801]  ? trace_hardirqs_on_caller+0x310/0x310
[  486.457836]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  486.462875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.468438]  ? prepare_exit_to_usermode+0x291/0x3b0
[  486.473485]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.478351]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  486.483779] CPU: 0 PID: 3403 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #141
[  486.483967] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  486.490913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  486.490941] Workqueue: events_power_efficient neigh_periodic_work
[  486.501431] syz-executor1 cpuset=syz1 mems_allowed=0
[  486.510794] Call Trace:
[  486.524706]  <IRQ>
[  486.526877]  dump_stack+0x244/0x39d
[  486.530526]  ? dump_stack_print_info.cold.1+0x20/0x20
[  486.535743]  warn_alloc.cold.116+0xb7/0x1bd
[  486.540084]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  486.544946]  ? lock_downgrade+0x900/0x900
[  486.549114]  ? trace_hardirqs_off+0xb8/0x310
[  486.553547]  ? trace_hardirqs_off+0xb8/0x310
[  486.557977]  __alloc_pages_slowpath+0x26e8/0x2e10
[  486.562870]  ? warn_alloc+0x120/0x120
[  486.566690]  ? warn_alloc+0x120/0x120
[  486.570510]  ? warn_alloc+0x120/0x120
[  486.574329]  ? print_usage_bug+0xc0/0xc0
[  486.578404]  ? print_usage_bug+0xc0/0xc0
[  486.582471]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  486.587692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  486.593263]  ? should_fail+0x22d/0xd01
[  486.597166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  486.602304]  ? __lock_acquire+0x62f/0x4c20
[  486.606559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  486.611671]  ? __lock_acquire+0x62f/0x4c20
[  486.615918]  ? should_fail+0x22d/0xd01
[  486.619829]  ? mark_held_locks+0x130/0x130
[  486.624080]  ? mark_held_locks+0x130/0x130
[  486.628326]  ? update_stack_state+0x1a5/0x690
[  486.632837]  ? zap_class+0x640/0x640
[  486.636557]  ? ret_from_fork+0x3a/0x50
[  486.640458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.646019]  ? check_preemption_disabled+0x48/0x280
[  486.651071]  ? __lock_is_held+0xb5/0x140
[  486.655160]  __alloc_pages_nodemask+0xa80/0xde0
[  486.659852]  ? zap_class+0x640/0x640
[  486.663592]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  486.668643]  ? find_held_lock+0x36/0x1c0
[  486.672736]  ? ____cache_alloc_node+0x1c7/0x1e0
[  486.677429]  ? lock_downgrade+0x900/0x900
[  486.681630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.687208]  cache_grow_begin+0xa5/0x8c0
[  486.691299]  ? do_raw_spin_unlock+0xa7/0x330
[  486.695735]  fallback_alloc+0x204/0x2e0
[  486.699764]  ____cache_alloc_node+0x1c7/0x1e0
[  486.704287]  kmem_cache_alloc_node+0xe3/0x730
[  486.708804]  ? mark_held_locks+0xc7/0x130
[  486.712979]  __alloc_skb+0x119/0x770
[  486.716709]  ? netdev_alloc_frag+0x1f0/0x1f0
[  486.721135]  ? do_raw_spin_trylock+0x270/0x270
[  486.725732]  ? kmem_cache_alloc_trace+0x353/0x750
[  486.730597]  ? queue_work_on+0x12c/0x1e0
[  486.734682]  ? switchdev_port_obj_del+0xdc/0x440
[  486.739454]  ? switchdev_trans_item_enqueue+0x260/0x260
[  486.744842]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  486.749893]  __br_mdb_notify+0x4ff/0x15d0
[  486.754074]  ? __br_mdb_add+0x7f0/0x7f0
[  486.758073]  ? zap_class+0x640/0x640
[  486.761810]  ? br_multicast_group_expired+0x96/0x610
[  486.766929]  ? lock_downgrade+0x900/0x900
[  486.771104]  br_mdb_notify+0x310/0x410
[  486.775009]  ? br_mdb_dump+0x27b0/0x27b0
[  486.779092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.784661]  br_multicast_group_expired+0x1bc/0x610
[  486.789698]  ? br_mdb_free+0x80/0x80
[  486.793435]  call_timer_fn+0x272/0x920
[  486.797335]  ? br_mdb_free+0x80/0x80
[  486.801064]  ? process_timeout+0x40/0x40
[  486.805145]  ? mark_held_locks+0xc7/0x130
[  486.809304]  ? _raw_spin_unlock_irq+0x27/0x80
[  486.813807]  ? _raw_spin_unlock_irq+0x27/0x80
[  486.818310]  ? br_mdb_free+0x80/0x80
[  486.822033]  ? lockdep_hardirqs_on+0x296/0x5b0
[  486.826628]  ? trace_hardirqs_on+0xbd/0x310
[  486.830952]  ? kasan_check_read+0x11/0x20
[  486.835102]  ? __run_timers+0x7da/0xc70
[  486.839083]  ? trace_hardirqs_off_caller+0x310/0x310
[  486.844207]  ? br_mdb_free+0x80/0x80
[  486.847947]  ? br_mdb_free+0x80/0x80
[  486.851669]  __run_timers+0x7e5/0xc70
[  486.855492]  ? timer_fixup_init+0x70/0x70
[  486.859652]  ? lock_downgrade+0x900/0x900
[  486.863806]  ? zap_class+0x640/0x640
[  486.867543]  ? print_usage_bug+0xc0/0xc0
[  486.871618]  ? trace_hardirqs_on+0x310/0x310
[  486.876053]  ? kvm_clock_read+0x18/0x30
[  486.880039]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  486.885071]  ? ktime_get+0x2c1/0x400
[  486.888804]  ? zap_class+0x640/0x640
[  486.892540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.898097]  ? check_preemption_disabled+0x48/0x280
[  486.903652]  ? __lock_is_held+0xb5/0x140
[  486.907736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.913475]  ? check_preemption_disabled+0x48/0x280
[  486.918524]  run_timer_softirq+0x52/0xb0
[  486.922611]  ? rcu_read_lock_sched_held+0x14f/0x180
[  486.927656]  __do_softirq+0x308/0xb7e
[  486.931495]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  486.936621]  ? irq_exit+0xbd/0x1c0
[  486.940191]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  486.945268]  ? smp_call_function_single_interrupt+0x650/0x650
[  486.951187]  ? ret_from_intr+0xb/0x1e
[  486.955021]  ? trace_hardirqs_off_caller+0xbb/0x310
[  486.960068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.964941]  ? trace_hardirqs_on_caller+0x310/0x310
[  486.969987]  ? task_prio+0x50/0x50
[  486.973556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.979110]  ? check_preemption_disabled+0x48/0x280
[  486.984164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.989020]  ? neigh_periodic_work+0x6bd/0xc60
[  486.993610]  do_softirq_own_stack+0x2a/0x40
[  486.997931]  </IRQ>
[  487.000169]  do_softirq.part.14+0x126/0x160
[  487.004504]  __local_bh_enable_ip+0x21d/0x260
[  487.009005]  _raw_write_unlock_bh+0x30/0x40
[  487.013336]  neigh_periodic_work+0x6bd/0xc60
[  487.017758]  ? neigh_table_clear+0x390/0x390
[  487.022176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.027723]  ? check_preemption_disabled+0x48/0x280
[  487.032758]  ? __lock_is_held+0xb5/0x140
[  487.036839]  process_one_work+0xc90/0x1c40
[  487.041082]  ? mark_held_locks+0x130/0x130
[  487.045330]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  487.049998]  ? __switch_to_asm+0x40/0x70
[  487.054061]  ? __switch_to_asm+0x40/0x70
[  487.058121]  ? __switch_to_asm+0x34/0x70
[  487.062185]  ? __switch_to_asm+0x40/0x70
[  487.066253]  ? __switch_to_asm+0x34/0x70
[  487.070317]  ? __switch_to_asm+0x40/0x70
[  487.074382]  ? __switch_to_asm+0x34/0x70
[  487.078443]  ? __switch_to_asm+0x40/0x70
[  487.082515]  ? __schedule+0x8d7/0x21d0
[  487.086413]  ? trace_hardirqs_off_caller+0xbb/0x310
[  487.091443]  ? lock_downgrade+0x900/0x900
[  487.095598]  ? zap_class+0x640/0x640
[  487.099332]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  487.104208]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  487.108818]  ? lock_acquire+0x1ed/0x520
[  487.112801]  ? worker_thread+0x3e0/0x1390
[  487.116963]  ? kasan_check_read+0x11/0x20
[  487.121137]  ? do_raw_spin_lock+0x14f/0x350
[  487.125486]  ? kasan_check_read+0x11/0x20
[  487.129644]  ? rwlock_bug.part.2+0x90/0x90
[  487.133882]  ? trace_hardirqs_on+0x310/0x310
[  487.138313]  worker_thread+0x17f/0x1390
[  487.142291]  ? __switch_to_asm+0x34/0x70
[  487.146370]  ? process_one_work+0x1c40/0x1c40
[  487.150889]  ? zap_class+0x640/0x640
[  487.154617]  ? find_held_lock+0x36/0x1c0
[  487.158708]  ? __kthread_parkme+0xce/0x1a0
[  487.162973]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  487.168077]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  487.173184]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  487.177774]  ? trace_hardirqs_on+0xbd/0x310
[  487.182111]  ? kasan_check_read+0x11/0x20
[  487.186268]  ? __kthread_parkme+0xce/0x1a0
[  487.190506]  ? trace_hardirqs_off_caller+0x310/0x310
[  487.195616]  ? trace_hardirqs_off_caller+0x310/0x310
[  487.200737]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  487.205860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  487.211403]  ? __kthread_parkme+0xfb/0x1a0
[  487.215649]  ? process_one_work+0x1c40/0x1c40
[  487.220147]  kthread+0x35a/0x440
[  487.223521]  ? kthread_stop+0x900/0x900
[  487.227508]  ret_from_fork+0x3a/0x50
[  487.231250] warn_alloc_show_mem: 1 callbacks suppressed
[  487.231263] CPU: 1 PID: 17633 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #141
[  487.231265] Mem-Info:
[  487.231296] active_anon:55779 inactive_anon:4287 isolated_anon:0
[  487.231296]  active_file:16 inactive_file:3 isolated_file:0
[  487.231296]  unevictable:0 dirty:0 writeback:0 unstable:0
[  487.231296]  slab_reclaimable:9180 slab_unreclaimable:1447559
[  487.231296]  mapped:49170 shmem:4338 pagetables:638 bounce:0
[  487.231296]  free:13690 free_pcp:879 free_cma:0
[  487.236639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  487.236649] Call Trace:
[  487.244021] Node 0 active_anon:223116kB inactive_anon:17148kB active_file:64kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196680kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 208896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  487.246430]  <IRQ>
[  487.279403] 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
[  487.288786]  dump_stack+0x244/0x39d
[  487.291339] lowmem_reserve[]: 0 2818 6321 6321
[  487.319203]  ? dump_stack_print_info.cold.1+0x20/0x20
[  487.321330] Node 0 DMA32 free:24952kB 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:1912kB local_pcp:320kB free_cma:0kB
[  487.347475]  warn_alloc.cold.116+0xb7/0x1bd
[  487.351081] lowmem_reserve[]: 0 0 3503 3503
[  487.355661]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  487.360830] Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:223116kB inactive_anon:17148kB active_file:516kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2552kB bounce:0kB free_pcp:1604kB local_pcp:1356kB free_cma:0kB
[  487.388441]  ? lock_downgrade+0x900/0x900
[  487.392741] lowmem_reserve[]: 0 0 0 0
[  487.397088]  ? trace_hardirqs_off+0xb8/0x310
[  487.401910] 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
[  487.431249]  ? trace_hardirqs_off+0xb8/0x310
[  487.435386] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 3*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24952kB
[  487.439195]  __alloc_pages_slowpath+0x26e8/0x2e10
[  487.443579] Node 0 Normal: 574*4kB (UME) 264*8kB (ME) 199*16kB (ME) 105*32kB (M) 50*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14152kB
[  487.457144]  ? warn_alloc+0x120/0x120
[  487.461520] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  487.476789]  ? warn_alloc+0x120/0x120
[  487.481632] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  487.495592]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  487.499370] 4380 total pagecache pages
[  487.508215]  ? warn_alloc+0x120/0x120
[  487.512008] 0 pages in swap cache
[  487.520586]  ? print_usage_bug+0xc0/0xc0
[  487.525581] Swap cache stats: add 0, delete 0, find 0/0
[  487.525590] Free swap  = 0kB
[  487.529481]  ? print_usage_bug+0xc0/0xc0
[  487.533285] Total swap = 0kB
[  487.536756]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  487.540790] 1965979 pages RAM
[  487.546156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  487.549145] 0 pages HighMem/MovableOnly
[  487.549155] 342854 pages reserved
[  487.553213]  ? should_fail+0x22d/0xd01
[  487.556249] 0 pages cma reserved
[  487.561437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  487.564721] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  487.570065]  ? __lock_acquire+0x62f/0x4c20
[  487.574018] kworker/0:2 cpuset=/ mems_allowed=0
[  487.577470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  487.614066]  ? should_fail+0x22d/0xd01
[  487.617975]  ? mark_held_locks+0x130/0x130
[  487.622222]  ? mark_held_locks+0x130/0x130
[  487.626457]  ? print_usage_bug+0xc0/0xc0
[  487.630525]  ? find_held_lock+0x36/0x1c0
[  487.634592]  ? zap_class+0x640/0x640
[  487.638314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.643909]  ? check_preemption_disabled+0x48/0x280
[  487.648940]  ? __lock_is_held+0xb5/0x140
[  487.653016]  __alloc_pages_nodemask+0xa80/0xde0
[  487.657689]  ? zap_class+0x640/0x640
[  487.661409]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  487.666443]  ? find_held_lock+0x36/0x1c0
[  487.670517]  ? ____cache_alloc_node+0x1c7/0x1e0
[  487.675195]  ? lock_downgrade+0x900/0x900
[  487.679356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.684905]  cache_grow_begin+0xa5/0x8c0
[  487.688969]  ? do_raw_spin_unlock+0xa7/0x330
[  487.693400]  fallback_alloc+0x204/0x2e0
[  487.697388]  ____cache_alloc_node+0x1c7/0x1e0
[  487.701898]  kmem_cache_alloc_node+0xe3/0x730
[  487.706398]  ? mark_held_locks+0xc7/0x130
[  487.710561]  __alloc_skb+0x119/0x770
[  487.714287]  ? netdev_alloc_frag+0x1f0/0x1f0
[  487.718698]  ? do_raw_spin_trylock+0x270/0x270
[  487.723296]  ? kmem_cache_alloc_trace+0x353/0x750
[  487.728152]  ? queue_work_on+0x12c/0x1e0
[  487.732227]  ? switchdev_port_obj_del+0xdc/0x440
[  487.736997]  ? switchdev_trans_item_enqueue+0x260/0x260
[  487.742371]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  487.747400]  __br_mdb_notify+0x4ff/0x15d0
[  487.751551]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  487.756691]  ? __br_mdb_add+0x7f0/0x7f0
[  487.760680]  ? mark_held_locks+0x130/0x130
[  487.764928]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  487.770065]  ? debug_object_assert_init+0x368/0x4b0
[  487.775099]  ? debug_object_init_on_stack+0x20/0x20
[  487.780124]  ? zap_class+0x640/0x640
[  487.783848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.789422]  br_mdb_notify+0x310/0x410
[  487.793337]  ? br_mdb_dump+0x27b0/0x27b0
[  487.797424]  br_multicast_del_pg+0x3df/0x790
[  487.801849]  ? br_mdb_ip_get+0x940/0x940
[  487.805917]  ? rwlock_bug.part.2+0x90/0x90
[  487.810165]  ? __lock_is_held+0xb5/0x140
[  487.814240]  br_multicast_port_group_expired+0x189/0x1e0
[  487.819701]  call_timer_fn+0x272/0x920
[  487.823594]  ? br_multicast_del_pg+0x790/0x790
[  487.828177]  ? process_timeout+0x40/0x40
[  487.832262]  ? __run_timers+0x7da/0xc70
[  487.836250]  ? _raw_spin_unlock_irq+0x27/0x80
[  487.840755]  ? _raw_spin_unlock_irq+0x27/0x80
[  487.845255]  ? br_multicast_del_pg+0x790/0x790
[  487.849846]  ? lockdep_hardirqs_on+0x296/0x5b0
[  487.854437]  ? trace_hardirqs_on+0xbd/0x310
[  487.858770]  ? kasan_check_read+0x11/0x20
[  487.862925]  ? __run_timers+0x7da/0xc70
[  487.866920]  ? trace_hardirqs_off_caller+0x310/0x310
[  487.872034]  ? br_multicast_del_pg+0x790/0x790
[  487.876632]  ? br_multicast_del_pg+0x790/0x790
[  487.881219]  __run_timers+0x7e5/0xc70
[  487.885040]  ? timer_fixup_init+0x70/0x70
[  487.889199]  ? lock_acquire+0x1ed/0x520
[  487.893183]  ? zap_class+0x640/0x640
[  487.896905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.902455]  ? kasan_check_read+0x11/0x20
[  487.906611]  ? do_raw_spin_lock+0x14f/0x350
[  487.910949]  ? find_held_lock+0x36/0x1c0
[  487.915026]  ? zap_class+0x640/0x640
[  487.918757]  ? pvclock_read_flags+0x160/0x160
[  487.923260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.928808]  ? check_preemption_disabled+0x48/0x280
[  487.933838]  ? __lock_is_held+0xb5/0x140
[  487.937917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.943460]  ? check_preemption_disabled+0x48/0x280
[  487.948489]  run_timer_softirq+0x52/0xb0
[  487.952559]  ? rcu_read_lock_sched_held+0x14f/0x180
[  487.957584]  __do_softirq+0x308/0xb7e
[  487.961414]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  487.965917]  ? lock_downgrade+0x900/0x900
[  487.970070]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  487.975187]  ? pvclock_read_flags+0x160/0x160
[  487.979688]  ? lapic_next_event+0x5a/0x90
[  487.983839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.989386]  ? kvm_clock_read+0x18/0x30
[  487.993375]  ? kvm_sched_clock_read+0x9/0x20
[  487.997792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.003336]  ? check_preemption_disabled+0x48/0x280
[  488.008367]  irq_exit+0x17f/0x1c0
[  488.012353]  smp_apic_timer_interrupt+0x1cb/0x760
[  488.017199]  ? smp_reschedule_interrupt+0x109/0x650
[  488.022223]  ? smp_call_function_single_interrupt+0x650/0x650
[  488.028112]  ? interrupt_entry+0xb5/0xc0
[  488.032192]  ? trace_hardirqs_off_caller+0xbb/0x310
[  488.037212]  ? trace_hardirqs_off_caller+0xbb/0x310
[  488.042235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  488.047085]  ? trace_hardirqs_on_caller+0x310/0x310
[  488.052127]  ? trace_hardirqs_on_caller+0x310/0x310
[  488.057791]  ? task_prio+0x50/0x50
[  488.061344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.066887]  ? check_preemption_disabled+0x48/0x280
[  488.071917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  488.076776]  apic_timer_interrupt+0xf/0x20
[  488.081011]  </IRQ>
[  488.083255] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  488.088190] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  488.107098] RSP: 0000:ffff880195be7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  488.114809] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  488.122080] RDX: 0000000000000000 RSI: ffff8801981bcd40 RDI: 0000000000000286
[  488.129350] RBP: ffff880195be77a0 R08: ffff8801981bc4c0 R09: 0000000000000000
[  488.136624] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  488.143894] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  488.151217]  skb_clone+0x1bb/0x500
[  488.154767]  ? finish_task_switch+0x1b4/0x910
[  488.159267]  ? skb_split+0x11e0/0x11e0
[  488.163158]  ? preempt_notifier_register+0x200/0x200
[  488.168259]  ? __switch_to_asm+0x34/0x70
[  488.172321]  ? __switch_to_asm+0x34/0x70
[  488.176383]  ? __switch_to_asm+0x40/0x70
[  488.180447]  ? __switch_to_asm+0x34/0x70
[  488.184506]  ? __switch_to_asm+0x40/0x70
[  488.188570]  ? __switch_to_asm+0x34/0x70
[  488.192633]  ? __switch_to_asm+0x40/0x70
[  488.196706]  ? __switch_to_asm+0x34/0x70
[  488.200793]  ? __switch_to_asm+0x34/0x70
[  488.204860]  ? __switch_to_asm+0x40/0x70
[  488.208922]  ? __switch_to_asm+0x34/0x70
[  488.213039]  bpf_clone_redirect+0xb9/0x490
[  488.217319]  ? __schedule+0x8d7/0x21d0
[  488.221229]  bpf_prog_75d449b3cd5cf576+0xb39/0x1000
[  488.226253]  ? __sched_text_start+0x8/0x8
[  488.230414]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  488.235006]  ? retint_kernel+0x2d/0x2d
[  488.238900]  ? trace_hardirqs_on_caller+0xc0/0x310
[  488.243842]  ? find_held_lock+0x36/0x1c0
[  488.247917]  ? lock_acquire+0x1ed/0x520
[  488.251894]  ? bpf_test_run+0x3cb/0x780
[  488.255876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.261420]  ? check_preemption_disabled+0x48/0x280
[  488.266448]  ? kasan_check_read+0x11/0x20
[  488.270604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  488.275890]  ? rcu_softirq_qs+0x20/0x20
[  488.279874]  ? preempt_schedule+0x4d/0x60
[  488.284031]  ? ___preempt_schedule+0x16/0x18
[  488.288466]  ? bpf_test_run+0x25d/0x780
[  488.292459]  ? netlink_diag_dump+0x2a0/0x2a0
[  488.296876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  488.302418]  ? bpf_test_init.isra.10+0x70/0x100
[  488.307098]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  488.311873]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  488.316721]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  488.322294]  ? fput+0x130/0x1a0
[  488.325593]  ? __bpf_prog_get+0x9b/0x290
[  488.329667]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  488.334510]  ? bpf_prog_test_run+0x130/0x1a0
[  488.338926]  ? __x64_sys_bpf+0x3d8/0x520
[  488.342996]  ? bpf_prog_get+0x20/0x20
[  488.346834]  ? do_syscall_64+0x1b9/0x820
[  488.350897]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  488.356274]  ? syscall_return_slowpath+0x5e0/0x5e0
[  488.361206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  488.366082]  ? trace_hardirqs_on_caller+0x310/0x310
[  488.371105]  ? prepare_exit_to_usermode+0x3b0/0x3b0