91/0x3b0
[  196.491313]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  196.496146]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  196.501502] Mem-Info:
[  196.501511] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  196.501520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  196.503921] active_anon:52296 inactive_anon:1840 isolated_anon:0
[  196.503921]  active_file:12 inactive_file:13 isolated_file:0
[  196.503921]  unevictable:0 dirty:0 writeback:0 unstable:0
[  196.503921]  slab_reclaimable:9024 slab_unreclaimable:1453211
[  196.503921]  mapped:49154 shmem:2016 pagetables:677 bounce:0
[  196.503921]  free:13753 free_pcp:137 free_cma:0
[  196.510805] Call Trace:
[  196.520169] Node 0 active_anon:209184kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  196.553180]  dump_stack+0x244/0x39d
[  196.555732] 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
[  196.583384]  ? dump_stack_print_info.cold.1+0x20/0x20
[  196.586970] lowmem_reserve[]: 0 2818 6321 6321
[  196.613073]  warn_alloc.cold.116+0xb7/0x1bd
[  196.618220] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  196.622782]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  196.627061] lowmem_reserve[]: 0 0 3503 3503
[  196.654890]  ? lock_downgrade+0x900/0x900
[  196.659695] Node 0 Normal free:13928kB min:37364kB low:46704kB high:56044kB active_anon:192800kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2708kB bounce:0kB free_pcp:300kB local_pcp:256kB free_cma:0kB
[  196.663999]  ? trace_hardirqs_off+0xb8/0x310
[  196.668105] lowmem_reserve[]: 0 0 0 0
[  196.697065]  ? trace_hardirqs_off+0xb8/0x310
[  196.701439] 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
[  196.705224]  __alloc_pages_slowpath+0x26e8/0x2e10
[  196.709593] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  196.723115]  ? warn_alloc+0x120/0x120
[  196.727902] Node 0 Normal: 736*4kB (UMEH) 417*8kB (UMEH) 242*16kB (UMEH) 77*32kB (UMEH) 21*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13960kB
[  196.743064]  ? warn_alloc+0x120/0x120
[  196.746837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  196.761462]  ? warn_alloc+0x120/0x120
[  196.765232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  196.774054]  ? print_usage_bug+0xc0/0xc0
[  196.777819] 2041 total pagecache pages
[  196.786371]  ? ip6_mc_input+0x775/0xd20
[  196.790401] 0 pages in swap cache
[  196.794269]  ? print_usage_bug+0xc0/0xc0
[  196.798213] Swap cache stats: add 0, delete 0, find 0/0
[  196.801647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  196.805669] Free swap  = 0kB
[  196.811008]  ? should_fail+0x22d/0xd01
[  196.816502] Total swap = 0kB
[  196.816509] 1965979 pages RAM
[  196.819507]  ? ipv6_dev_mc_dec+0x260/0x260
[  196.819529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  196.823380] 0 pages HighMem/MovableOnly
[  196.823386] 342854 pages reserved
[  196.826384]  ? __lock_acquire+0x62f/0x4c20
[  196.829453] 0 pages cma reserved
[  196.833668]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  196.858773]  ? should_fail+0x22d/0xd01
[  196.862664]  ? mark_held_locks+0x130/0x130
[  196.866896]  ? mark_held_locks+0x130/0x130
[  196.871138]  ? ipv6_rcv+0x419/0x640
[  196.874760]  ? lock_downgrade+0x900/0x900
[  196.878914]  ? check_preemption_disabled+0x48/0x280
[  196.883926]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  196.888845]  ? kasan_check_read+0x11/0x20
[  196.892987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.898521]  ? check_preemption_disabled+0x48/0x280
[  196.903542]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  196.909097]  ? rcu_pm_notify+0xc0/0xc0
[  196.912991]  __alloc_pages_nodemask+0xa80/0xde0
[  196.917660]  ? zap_class+0x640/0x640
[  196.921374]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  196.926400]  ? find_held_lock+0x36/0x1c0
[  196.930471]  ? ____cache_alloc_node+0x1c7/0x1e0
[  196.935136]  ? lock_downgrade+0x900/0x900
[  196.939307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.944852]  cache_grow_begin+0xa5/0x8c0
[  196.948909]  ? do_raw_spin_unlock+0xa7/0x330
[  196.953413]  fallback_alloc+0x204/0x2e0
[  196.957399]  ____cache_alloc_node+0x1c7/0x1e0
[  196.961910]  kmem_cache_alloc+0x1f8/0x730
[  196.966061]  ? __lock_is_held+0xb5/0x140
[  196.970121]  __build_skb+0xab/0x430
[  196.973739]  ? skb_try_coalesce+0x1b70/0x1b70
[  196.978229]  ? br_netif_receive_skb+0x107/0x210
[  196.982893]  ? __alloc_pages_nodemask+0xde0/0xde0
[  196.987728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.993259]  ? check_preemption_disabled+0x48/0x280
[  196.998272]  __napi_alloc_skb+0x1d6/0x310
[  197.002417]  page_to_skb.isra.45+0xee/0x8d0
[  197.006739]  ? check_preemption_disabled+0x48/0x280
[  197.011767]  ? virtnet_remove+0xf0/0xf0
[  197.015745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  197.020663]  ? kasan_check_read+0x11/0x20
[  197.024800]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  197.030154]  ? rcu_softirq_qs+0x20/0x20
[  197.034217]  receive_mergeable+0x155d/0x3a90
[  197.038623]  ? ip6t_do_table+0xded/0x1d30
[  197.042787]  ? virtnet_probe+0x2240/0x2240
[  197.047031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.052561]  ? zap_class+0x640/0x640
[  197.056357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.061890]  ? check_preemption_disabled+0x48/0x280
[  197.066900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.072535]  ? check_preemption_disabled+0x48/0x280
[  197.077560]  ? __lock_is_held+0xb5/0x140
[  197.081621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.087152]  ? rt6_score_route+0x118/0x400
[  197.091389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.096916]  ? find_match+0x492/0x10a0
[  197.100804]  ? ip6_dst_ifdown+0x4e0/0x4e0
[  197.104940]  ? __lock_is_held+0xb5/0x140
[  197.108995]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  197.114184]  ? zap_class+0x640/0x640
[  197.117890]  ? zap_class+0x640/0x640
[  197.121602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.127134]  ? check_preemption_disabled+0x48/0x280
[  197.132154]  ? __lock_is_held+0xb5/0x140
[  197.136692]  ? print_usage_bug+0xc0/0xc0
[  197.140754]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  197.146376]  ? fib6_table_lookup+0xcd5/0x1490
[  197.150957]  ? br_validate_ipv6+0xde0/0xde0
[  197.155277]  ? print_usage_bug+0xc0/0xc0
[  197.159340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.164867]  ? check_preemption_disabled+0x48/0x280
[  197.169885]  ? __lock_acquire+0x62f/0x4c20
[  197.174118]  ? __read_once_size_nocheck.constprop.8+0x10/0x10
[  197.179997]  ? ret_from_fork+0x3a/0x50
[  197.183896]  ? __read_once_size_nocheck.constprop.8+0x10/0x10
[  197.189769]  ? ret_from_fork+0x3a/0x50
[  197.193648]  ? unwind_dump+0x190/0x190
[  197.197541]  ? unwind_next_frame.part.7+0x1ae/0x9e0
[  197.202549]  ? unwind_dump+0x190/0x190
[  197.206429]  ? unwind_dump+0x190/0x190
[  197.210326]  ? unwind_next_frame+0x3e/0x50
[  197.214554]  ? __save_stack_trace+0x7d/0xf0
[  197.218877]  receive_buf+0xb3c/0x3270
[  197.222678]  ? save_stack+0xa9/0xd0
[  197.226300]  ? kasan_unpoison_object_data+0x1/0x20
[  197.231228]  ? receive_mergeable+0x3a90/0x3a90
[  197.235805]  ? __netif_receive_skb+0x2c/0x1e0
[  197.240302]  ? process_backlog+0x24e/0x7a0
[  197.244528]  ? net_rx_action+0x7fa/0x19b0
[  197.248668]  ? __do_softirq+0x308/0xb7e
[  197.252636]  ? run_ksoftirqd+0x5e/0x100
[  197.256599]  ? smpboot_thread_fn+0x68b/0xa00
[  197.261007]  ? kthread+0x35a/0x440
[  197.264534]  ? ret_from_fork+0x3a/0x50
[  197.268415]  ? do_raw_spin_unlock+0xa7/0x330
[  197.272818]  ? trace_hardirqs_on+0x310/0x310
[  197.277220]  ? trace_hardirqs_on+0xbd/0x310
[  197.281535]  ? zap_class+0x640/0x640
[  197.285243]  ? trace_hardirqs_off+0xb8/0x310
[  197.289651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.295179]  ? check_preemption_disabled+0x48/0x280
[  197.300201]  ? print_usage_bug+0xc0/0xc0
[  197.304262]  ? kfree_skbmem+0x154/0x230
[  197.308241]  ? kfree_skbmem+0x154/0x230
[  197.312212]  ? rcu_read_lock_sched_held+0x14f/0x180
[  197.317218]  ? kmem_cache_free+0x24f/0x290
[  197.321447]  ? kfree_skbmem+0x10b/0x230
[  197.325423]  ? __lock_acquire+0x62f/0x4c20
[  197.329659]  ? kfree_skb+0x1c8/0x580
[  197.333387]  ? mark_held_locks+0x130/0x130
[  197.337619]  ? ipv6_dev_mc_dec+0x260/0x260
[  197.339493] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  197.341847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.341863]  ? check_preemption_disabled+0x48/0x280
[  197.352216] ksoftirqd/0 cpuset=/ mems_allowed=0
[  197.357739]  ? ip6_mc_input+0x48f/0xd20
[  197.371371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.376895]  ? vring_use_dma_api+0xa5/0xc0
[  197.381114]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  197.386635]  ? vring_unmap_one+0x5a/0x410
[  197.390766]  ? ip6_rcv_finish_core.isra.13+0x13d/0x720
[  197.396027]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  197.401546]  ? detach_buf+0x34b/0x5d0
[  197.405342]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  197.410868]  ? virtqueue_get_buf_ctx+0x3d5/0x820
[  197.415616]  ? virtqueue_detach_unused_buf+0x220/0x220
[  197.420889]  ? ipv6_rcv+0x11d/0x640
[  197.424500]  ? __lock_acquire+0x62f/0x4c20
[  197.428726]  virtnet_poll+0x421/0x105f
[  197.432610]  ? receive_buf+0x3270/0x3270
[  197.436654]  ? process_backlog+0x4ba/0x7a0
[  197.440874]  ? process_backlog+0x4ba/0x7a0
[  197.445095]  ? lockdep_hardirqs_on+0x296/0x5b0
[  197.449670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.455193]  ? check_preemption_disabled+0x48/0x280
[  197.460201]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  197.465738]  net_rx_action+0x7fa/0x19b0
[  197.469707]  ? napi_complete_done+0x7a0/0x7a0
[  197.474195]  ? find_held_lock+0x36/0x1c0
[  197.478245]  ? __run_timers+0xa20/0xc70
[  197.482211]  ? _raw_spin_unlock_irq+0x27/0x80
[  197.486706]  ? _raw_spin_unlock_irq+0x27/0x80
[  197.491185]  ? lockdep_hardirqs_on+0x296/0x5b0
[  197.495755]  ? trace_hardirqs_on+0xbd/0x310
[  197.500060]  ? kasan_check_read+0x11/0x20
[  197.504195]  ? __run_timers+0xa20/0xc70
[  197.508163]  ? _raw_spin_unlock_irq+0x60/0x80
[  197.512644]  ? __run_timers+0xa4a/0xc70
[  197.516615]  ? timer_fixup_init+0x70/0x70
[  197.520749]  ? compat_start_thread+0x80/0x80
[  197.525144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.530672]  ? kasan_check_write+0x14/0x20
[  197.534891]  ? finish_task_switch+0x2f4/0x910
[  197.539372]  ? __switch_to_asm+0x40/0x70
[  197.543421]  ? preempt_notifier_register+0x200/0x200
[  197.548506]  ? __switch_to_asm+0x34/0x70
[  197.552552]  ? __switch_to_asm+0x34/0x70
[  197.556597]  ? __switch_to_asm+0x40/0x70
[  197.560642]  ? __switch_to_asm+0x34/0x70
[  197.564686]  ? __switch_to_asm+0x40/0x70
[  197.568728]  ? __switch_to_asm+0x34/0x70
[  197.572774]  ? __switch_to_asm+0x40/0x70
[  197.576816]  ? __switch_to_asm+0x34/0x70
[  197.580959]  ? pvclock_read_flags+0x160/0x160
[  197.585446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.590979]  ? check_preemption_disabled+0x48/0x280
[  197.595992]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  197.601516]  ? rcu_pm_notify+0xc0/0xc0
[  197.605399]  __do_softirq+0x308/0xb7e
[  197.609191]  ? trace_hardirqs_on_caller+0xc0/0x310
[  197.614197]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  197.619283]  ? trace_hardirqs_on+0x310/0x310
[  197.623678]  ? schedule+0x108/0x460
[  197.627299]  ? trace_hardirqs_off+0xb8/0x310
[  197.631691]  ? smpboot_thread_fn+0x68b/0xa00
[  197.636085]  ? trace_hardirqs_on+0x310/0x310
[  197.640479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  197.646003]  ? check_preemption_disabled+0x48/0x280
[  197.651010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.656532]  ? takeover_tasklets+0xa90/0xa90
[  197.660924]  run_ksoftirqd+0x5e/0x100
[  197.664710]  smpboot_thread_fn+0x68b/0xa00
[  197.668930]  ? sort_range+0x30/0x30
[  197.672542]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  197.677627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  197.683149]  ? __kthread_parkme+0xfb/0x1a0
[  197.687370]  ? sort_range+0x30/0x30
[  197.690986]  kthread+0x35a/0x440
[  197.694338]  ? kthread_stop+0x900/0x900
[  197.698297]  ret_from_fork+0x3a/0x50
[  197.702012] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #141
[  197.702107] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  197.708837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  197.719115] ksoftirqd/1 cpuset=/ mems_allowed=0
[  197.728447] Call Trace:
[  197.735651]  dump_stack+0x244/0x39d
[  197.739268]  ? dump_stack_print_info.cold.1+0x20/0x20
[  197.744460]  warn_alloc.cold.116+0xb7/0x1bd
[  197.748767]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  197.753599]  ? lock_downgrade+0x900/0x900
[  197.757738]  ? trace_hardirqs_off+0xb8/0x310
[  197.762135]  ? trace_hardirqs_off+0xb8/0x310
[  197.766538]  __alloc_pages_slowpath+0x26e8/0x2e10
[  197.771388]  ? warn_alloc+0x120/0x120
[  197.775180]  ? warn_alloc+0x120/0x120
[  197.778969]  ? warn_alloc+0x120/0x120
[  197.782759]  ? find_held_lock+0x36/0x1c0
[  197.786811]  ? print_usage_bug+0xc0/0xc0
[  197.790858]  ? print_usage_bug+0xc0/0xc0
[  197.794905]  ? update_curr+0x4cf/0xbd0
[  197.798779]  ? check_preemption_disabled+0x48/0x280
[  197.803782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  197.809303]  ? should_fail+0x22d/0xd01
[  197.813178]  ? print_usage_bug+0xc0/0xc0
[  197.817227]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  197.822317]  ? __lock_acquire+0x62f/0x4c20
[  197.826541]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  197.831631]  ? __lock_acquire+0x62f/0x4c20
[  197.835847]  ? should_fail+0x22d/0xd01
[  197.839730]  ? mark_held_locks+0x130/0x130
[  197.843951]  ? mark_held_locks+0x130/0x130
[  197.848178]  ? zap_class+0x640/0x640
[  197.851877]  ? mark_held_locks+0x130/0x130
[  197.856099]  ? mark_held_locks+0x130/0x130
[  197.860319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.865841]  ? check_preemption_disabled+0x48/0x280
[  197.870848]  ? __lock_is_held+0xb5/0x140
[  197.874899]  __alloc_pages_nodemask+0xa80/0xde0
[  197.879557]  ? zap_class+0x640/0x640
[  197.883260]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  197.888271]  ? find_held_lock+0x36/0x1c0
[  197.892327]  ? ____cache_alloc_node+0x1c7/0x1e0
[  197.896983]  ? lock_downgrade+0x900/0x900
[  197.901121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.906652]  cache_grow_begin+0xa5/0x8c0
[  197.910699]  ? do_raw_spin_unlock+0xa7/0x330
[  197.915102]  fallback_alloc+0x204/0x2e0
[  197.919068]  ____cache_alloc_node+0x1c7/0x1e0
[  197.923553]  kmem_cache_alloc_node+0xe3/0x730
[  197.928036]  ? lockdep_hardirqs_on+0x296/0x5b0
[  197.932615]  __alloc_skb+0x119/0x770
[  197.936747]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  197.942101]  ? netdev_alloc_frag+0x1f0/0x1f0
[  197.946502]  ? lock_acquire+0x1ed/0x520
[  197.950466]  ? aoecmd_cfg+0x108/0x7f0
[  197.954252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.959958]  ? check_preemption_disabled+0x48/0x280
[  197.965469]  ? kasan_check_read+0x11/0x20
[  197.969618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  197.974880]  ? rcu_softirq_qs+0x20/0x20
[  197.978848]  new_skb+0x26/0x1c0
[  197.982114]  aoecmd_cfg+0x279/0x7f0
[  197.985727]  ? find_held_lock+0x36/0x1c0
[  197.989779]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  197.994094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.999619]  ? check_preemption_disabled+0x48/0x280
[  198.004627]  ? __lock_is_held+0xb5/0x140
[  198.008681]  discover_timer+0x50/0x60
[  198.012485]  call_timer_fn+0x272/0x920
[  198.016360]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  198.021186]  ? process_timeout+0x40/0x40
[  198.025236]  ? __run_timers+0x7da/0xc70
[  198.029283]  ? _raw_spin_unlock_irq+0x27/0x80
[  198.033760]  ? _raw_spin_unlock_irq+0x27/0x80
[  198.038240]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  198.043161]  ? lockdep_hardirqs_on+0x296/0x5b0
[  198.047728]  ? trace_hardirqs_on+0xbd/0x310
[  198.052035]  ? kasan_check_read+0x11/0x20
[  198.056166]  ? __run_timers+0x7da/0xc70
[  198.060128]  ? trace_hardirqs_off_caller+0x310/0x310
[  198.065222]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  198.070065]  __run_timers+0x7e5/0xc70
[  198.073861]  ? timer_fixup_init+0x70/0x70
[  198.077991]  ? _raw_spin_unlock_irq+0x27/0x80
[  198.082559]  ? _raw_spin_unlock_irq+0x27/0x80
[  198.087042]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  198.091620]  ? trace_hardirqs_on+0xbd/0x310
[  198.095934]  ? kasan_check_read+0x11/0x20
[  198.100263]  ? finish_task_switch+0x1f4/0x910
[  198.104745]  ? trace_hardirqs_off_caller+0x310/0x310
[  198.109831]  ? compat_start_thread+0x80/0x80
[  198.114239]  ? pvclock_read_flags+0x160/0x160
[  198.118719]  ? __switch_to_asm+0x34/0x70
[  198.122767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.128290]  ? check_preemption_disabled+0x48/0x280
[  198.133300]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  198.138821]  ? rcu_pm_notify+0xc0/0xc0
[  198.142713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.148237]  ? check_preemption_disabled+0x48/0x280
[  198.153245]  run_timer_softirq+0x52/0xb0
[  198.157301]  ? rcu_read_lock_sched_held+0x14f/0x180
[  198.162303]  __do_softirq+0x308/0xb7e
[  198.166096]  ? trace_hardirqs_on_caller+0xc0/0x310
[  198.171011]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  198.176094]  ? retint_kernel+0x2d/0x2d
[  198.179971]  ? schedule+0x108/0x460
[  198.183586]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  198.188336]  ? trace_hardirqs_off+0xb8/0x310
[  198.192732]  ? smpboot_thread_fn+0x68b/0xa00
[  198.197126]  ? trace_hardirqs_on+0x310/0x310
[  198.201520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  198.207045]  ? check_preemption_disabled+0x48/0x280
[  198.212153]  ? takeover_tasklets+0xa90/0xa90
[  198.216547]  run_ksoftirqd+0x5e/0x100
[  198.220334]  smpboot_thread_fn+0x68b/0xa00
[  198.224556]  ? sort_range+0x30/0x30
[  198.228166]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  198.233258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  198.238781]  ? __kthread_parkme+0xfb/0x1a0
[  198.243006]  ? sort_range+0x30/0x30
[  198.246621]  kthread+0x35a/0x440
[  198.249975]  ? kthread_stop+0x900/0x900
[  198.253935]  ret_from_fork+0x3a/0x50
[  198.257648] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  198.257652] warn_alloc_show_mem: 1 callbacks suppressed
[  198.257657] Mem-Info:
[  198.264570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  198.269923] active_anon:52296 inactive_anon:1840 isolated_anon:0
[  198.269923]  active_file:12 inactive_file:13 isolated_file:0
[  198.269923]  unevictable:0 dirty:0 writeback:0 unstable:0
[  198.269923]  slab_reclaimable:9024 slab_unreclaimable:1453211
[  198.269923]  mapped:49154 shmem:2016 pagetables:677 bounce:0
[  198.269923]  free:13753 free_pcp:137 free_cma:0
[  198.272288] Call Trace:
[  198.281649] Node 0 active_anon:209184kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  198.314665]  dump_stack+0x244/0x39d
[  198.317214] 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
[  198.344867]  ? dump_stack_print_info.cold.1+0x20/0x20
[  198.348451] lowmem_reserve[]: 0 2818 6321 6321
[  198.374551]  warn_alloc.cold.116+0xb7/0x1bd
[  198.379702] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  198.384280]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  198.388561] lowmem_reserve[]: 0 0 3503 3503
[  198.416508]  ? lock_downgrade+0x900/0x900
[  198.421315] Node 0 Normal free:13928kB min:37364kB low:46704kB high:56044kB active_anon:192800kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2708kB bounce:0kB free_pcp:300kB local_pcp:256kB free_cma:0kB
[  198.425618]  ? trace_hardirqs_off+0xb8/0x310
[  198.429721] lowmem_reserve[]: 0 0 0 0
[  198.458689]  ? trace_hardirqs_off+0xb8/0x310
[  198.463060] 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
[  198.466846]  __alloc_pages_slowpath+0x26e8/0x2e10
[  198.471212] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  198.484843]  ? warn_alloc+0x120/0x120
[  198.489630] Node 0 Normal: 736*4kB (UMEH) 417*8kB (UMEH) 242*16kB (UMEH) 77*32kB (UMEH) 21*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13960kB
[  198.504787]  ? warn_alloc+0x120/0x120
[  198.508556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  198.523267]  ? warn_alloc+0x120/0x120
[  198.527037] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  198.535847]  ? print_usage_bug+0xc0/0xc0
[  198.539610] 2041 total pagecache pages
[  198.548163]  ? ip6_mc_input+0x775/0xd20
[  198.552194] 0 pages in swap cache
[  198.556055]  ? print_usage_bug+0xc0/0xc0
[  198.559991] Swap cache stats: add 0, delete 0, find 0/0
[  198.559998] Free swap  = 0kB
[  198.563435]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  198.567459] Total swap = 0kB
[  198.567465] 1965979 pages RAM
[  198.572896]  ? should_fail+0x22d/0xd01
[  198.575871] 0 pages HighMem/MovableOnly
[  198.575877] 342854 pages reserved
[  198.581401]  ? ipv6_dev_mc_dec+0x260/0x260
[  198.584383] 0 pages cma reserved
[  198.587475]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  198.591410] aoe: skb alloc failure
[  198.595279]  ? __lock_acquire+0x62f/0x4c20
[  198.598723] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  198.602913]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  198.606241] ksoftirqd/0 cpuset=/ mems_allowed=0
[  198.611324]  ? should_fail+0x22d/0xd01
[  198.642909]  ? mark_held_locks+0x130/0x130
[  198.647130]  ? mark_held_locks+0x130/0x130
[  198.651352]  ? ipv6_rcv+0x419/0x640
[  198.654972]  ? lock_downgrade+0x900/0x900
[  198.659104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.664630]  ? check_preemption_disabled+0x48/0x280
[  198.669636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.675160]  ? check_preemption_disabled+0x48/0x280
[  198.680168]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  198.685692]  ? rcu_pm_notify+0xc0/0xc0
[  198.689572]  __alloc_pages_nodemask+0xa80/0xde0
[  198.694224]  ? zap_class+0x640/0x640
[  198.697927]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  198.702955]  ? find_held_lock+0x36/0x1c0
[  198.707009]  ? ____cache_alloc_node+0x1c7/0x1e0
[  198.711664]  ? lock_downgrade+0x900/0x900
[  198.715806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.721334]  cache_grow_begin+0xa5/0x8c0
[  198.725385]  ? do_raw_spin_unlock+0xa7/0x330
[  198.729784]  fallback_alloc+0x204/0x2e0
[  198.733750]  ____cache_alloc_node+0x1c7/0x1e0
[  198.738232]  kmem_cache_alloc+0x1f8/0x730
[  198.742372]  ? __lock_is_held+0xb5/0x140
[  198.746428]  __build_skb+0xab/0x430
[  198.750313]  ? skb_try_coalesce+0x1b70/0x1b70
[  198.754796]  ? br_netif_receive_skb+0x107/0x210
[  198.759462]  ? __alloc_pages_nodemask+0xde0/0xde0
[  198.764292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.769816]  ? check_preemption_disabled+0x48/0x280
[  198.774819]  __napi_alloc_skb+0x1d6/0x310
[  198.778955]  page_to_skb.isra.45+0xee/0x8d0
[  198.783359]  ? check_preemption_disabled+0x48/0x280
[  198.788368]  ? virtnet_remove+0xf0/0xf0
[  198.792325]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  198.797246]  ? kasan_check_read+0x11/0x20
[  198.801377]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  198.806640]  ? rcu_softirq_qs+0x20/0x20
[  198.810610]  receive_mergeable+0x155d/0x3a90
[  198.815011]  ? virtnet_probe+0x2240/0x2240
[  198.819237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.824760]  ? zap_class+0x640/0x640
[  198.828456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.833985]  ? check_preemption_disabled+0x48/0x280
[  198.838991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.844515]  ? check_preemption_disabled+0x48/0x280
[  198.849521]  ? __lock_is_held+0xb5/0x140
[  198.853571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.859094]  ? rt6_score_route+0x118/0x400
[  198.863317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.868839]  ? find_match+0x492/0x10a0
[  198.872718]  ? ip6_dst_ifdown+0x4e0/0x4e0
[  198.876849]  ? __lock_is_held+0xb5/0x140
[  198.880900]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  198.886074]  ? zap_class+0x640/0x640
[  198.889773]  ? zap_class+0x640/0x640
[  198.893477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.899000]  ? check_preemption_disabled+0x48/0x280
[  198.904009]  ? __lock_is_held+0xb5/0x140
[  198.908057]  ? print_usage_bug+0xc0/0xc0
[  198.912115]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  198.917657]  ? fib6_table_lookup+0xcd5/0x1490
[  198.922141]  ? br_validate_ipv6+0xde0/0xde0
[  198.926450]  ? print_usage_bug+0xc0/0xc0
[  198.930504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.936028]  ? check_preemption_disabled+0x48/0x280
[  198.941135]  ? __lock_acquire+0x62f/0x4c20
[  198.945366]  ? __read_once_size_nocheck.constprop.8+0x10/0x10
[  198.951237]  ? ret_from_fork+0x3a/0x50
[  198.955125]  ? __read_once_size_nocheck.constprop.8+0x10/0x10
[  198.960991]  ? ret_from_fork+0x3a/0x50
[  198.964869]  ? unwind_dump+0x190/0x190
[  198.968751]  ? unwind_next_frame.part.7+0x1ae/0x9e0
[  198.973751]  ? unwind_dump+0x190/0x190
[  198.977627]  ? unwind_dump+0x190/0x190
[  198.981512]  ? unwind_next_frame+0x3e/0x50
[  198.985733]  ? __save_stack_trace+0x7d/0xf0
[  198.990044]  receive_buf+0xb3c/0x3270
[  198.993832]  ? save_stack+0xa9/0xd0
[  198.997454]  ? kasan_unpoison_object_data+0x1/0x20
[  199.002369]  ? receive_mergeable+0x3a90/0x3a90
[  199.006935]  ? __netif_receive_skb+0x2c/0x1e0
[  199.011414]  ? process_backlog+0x24e/0x7a0
[  199.015630]  ? net_rx_action+0x7fa/0x19b0
[  199.019767]  ? __do_softirq+0x308/0xb7e
[  199.023741]  ? run_ksoftirqd+0x5e/0x100
[  199.027702]  ? smpboot_thread_fn+0x68b/0xa00
[  199.032094]  ? kthread+0x35a/0x440
[  199.035620]  ? ret_from_fork+0x3a/0x50
[  199.039490]  ? do_raw_spin_unlock+0xa7/0x330
[  199.043883]  ? trace_hardirqs_on+0x310/0x310
[  199.048276]  ? trace_hardirqs_on+0xbd/0x310
[  199.052582]  ? zap_class+0x640/0x640
[  199.056282]  ? trace_hardirqs_off+0xb8/0x310
[  199.060766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.066290]  ? check_preemption_disabled+0x48/0x280
[  199.071299]  ? print_usage_bug+0xc0/0xc0
[  199.075349]  ? kfree_skbmem+0x154/0x230
[  199.079314]  ? kfree_skbmem+0x154/0x230
[  199.083277]  ? rcu_read_lock_sched_held+0x14f/0x180
[  199.088280]  ? kmem_cache_free+0x24f/0x290
[  199.092499]  ? kfree_skbmem+0x10b/0x230
[  199.096464]  ? __lock_acquire+0x62f/0x4c20
[  199.100687]  ? kfree_skb+0x1c8/0x580
[  199.104396]  ? mark_held_locks+0x130/0x130
[  199.108619]  ? ipv6_dev_mc_dec+0x260/0x260
[  199.112838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.118367]  ? check_preemption_disabled+0x48/0x280
[  199.123372]  ? ip6_mc_input+0x48f/0xd20
[  199.127447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.133514]  ? vring_use_dma_api+0xa5/0xc0
[  199.137739]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  199.143258]  ? vring_unmap_one+0x5a/0x410
[  199.147389]  ? ip6_rcv_finish_core.isra.13+0x13d/0x720
[  199.152661]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  199.158180]  ? detach_buf+0x34b/0x5d0
[  199.161976]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  199.167496]  ? virtqueue_get_buf_ctx+0x3d5/0x820
[  199.172244]  ? virtqueue_detach_unused_buf+0x220/0x220
[  199.177501]  ? ipv6_rcv+0x11d/0x640
[  199.181111]  ? __lock_acquire+0x62f/0x4c20
[  199.185344]  virtnet_poll+0x421/0x105f
[  199.189227]  ? receive_buf+0x3270/0x3270
[  199.193273]  ? process_backlog+0x4ba/0x7a0
[  199.197493]  ? process_backlog+0x4ba/0x7a0
[  199.201714]  ? lockdep_hardirqs_on+0x296/0x5b0
[  199.206290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.211826]  ? check_preemption_disabled+0x48/0x280
[  199.216857]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  199.222400]  net_rx_action+0x7fa/0x19b0
[  199.226378]  ? napi_complete_done+0x7a0/0x7a0
[  199.230866]  ? find_held_lock+0x36/0x1c0
[  199.234925]  ? __run_timers+0xa20/0xc70
[  199.238890]  ? _raw_spin_unlock_irq+0x27/0x80
[  199.243370]  ? _raw_spin_unlock_irq+0x27/0x80
[  199.247853]  ? lockdep_hardirqs_on+0x296/0x5b0
[  199.252424]  ? trace_hardirqs_on+0xbd/0x310
[  199.256729]  ? kasan_check_read+0x11/0x20
[  199.260861]  ? __run_timers+0xa20/0xc70
[  199.264833]  ? _raw_spin_unlock_irq+0x60/0x80
[  199.269331]  ? __run_timers+0xa4a/0xc70
[  199.273301]  ? timer_fixup_init+0x70/0x70
[  199.277434]  ? compat_start_thread+0x80/0x80
[  199.281835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.287362]  ? kasan_check_write+0x14/0x20
[  199.291588]  ? finish_task_switch+0x2f4/0x910
[  199.296067]  ? __switch_to_asm+0x40/0x70
[  199.300115]  ? preempt_notifier_register+0x200/0x200
[  199.305199]  ? __switch_to_asm+0x34/0x70
[  199.309244]  ? __switch_to_asm+0x34/0x70
[  199.313290]  ? __switch_to_asm+0x40/0x70
[  199.317342]  ? __switch_to_asm+0x34/0x70
[  199.321384]  ? __switch_to_asm+0x40/0x70
[  199.325544]  ? __switch_to_asm+0x34/0x70
[  199.329591]  ? __switch_to_asm+0x40/0x70
[  199.333634]  ? __switch_to_asm+0x34/0x70
[  199.337689]  ? pvclock_read_flags+0x160/0x160
[  199.342169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.347690]  ? check_preemption_disabled+0x48/0x280
[  199.352701]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  199.358226]  ? rcu_pm_notify+0xc0/0xc0
[  199.362110]  __do_softirq+0x308/0xb7e
[  199.365900]  ? trace_hardirqs_on_caller+0xc0/0x310
[  199.370817]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  199.375913]  ? trace_hardirqs_on+0x310/0x310
[  199.380315]  ? schedule+0x108/0x460
[  199.383937]  ? trace_hardirqs_off+0xb8/0x310
[  199.388334]  ? smpboot_thread_fn+0x68b/0xa00
[  199.392726]  ? trace_hardirqs_on+0x310/0x310
[  199.397123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.402643]  ? check_preemption_disabled+0x48/0x280
[  199.407641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.413166]  ? takeover_tasklets+0xa90/0xa90
[  199.417565]  run_ksoftirqd+0x5e/0x100
[  199.421351]  smpboot_thread_fn+0x68b/0xa00
[  199.425572]  ? sort_range+0x30/0x30
[  199.429183]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  199.434270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.440151]  ? __kthread_parkme+0xfb/0x1a0
[  199.444376]  ? sort_range+0x30/0x30
[  199.447992]  kthread+0x35a/0x440
[  199.451346]  ? kthread_stop+0x900/0x900
[  199.455313]  ret_from_fork+0x3a/0x50
[  199.459030] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #141
[  199.459144] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  199.465863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  199.476143] ksoftirqd/1 cpuset=/ mems_allowed=0
[  199.485471] Call Trace:
[  199.492677]  dump_stack+0x244/0x39d
[  199.496300]  ? dump_stack_print_info.cold.1+0x20/0x20
[  199.501486]  warn_alloc.cold.116+0xb7/0x1bd
[  199.505800]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  199.510630]  ? lock_downgrade+0x900/0x900
[  199.514768]  ? trace_hardirqs_off+0xb8/0x310
[  199.519168]  ? trace_hardirqs_off+0xb8/0x310
[  199.523569]  __alloc_pages_slowpath+0x26e8/0x2e10
[  199.528416]  ? warn_alloc+0x120/0x120
[  199.532205]  ? warn_alloc+0x120/0x120
[  199.535995]  ? warn_alloc+0x120/0x120
[  199.539782]  ? find_held_lock+0x36/0x1c0
[  199.543832]  ? print_usage_bug+0xc0/0xc0
[  199.547880]  ? print_usage_bug+0xc0/0xc0
[  199.551935]  ? mark_held_locks+0x130/0x130
[  199.556157]  ? mark_held_locks+0x130/0x130
[  199.560467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.565987]  ? should_fail+0x22d/0xd01
[  199.569856]  ? zap_class+0x640/0x640
[  199.573557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  199.578645]  ? __lock_acquire+0x62f/0x4c20
[  199.582872]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  199.587961]  ? __lock_acquire+0x62f/0x4c20
[  199.592180]  ? should_fail+0x22d/0xd01
[  199.596061]  ? mark_held_locks+0x130/0x130
[  199.600292]  ? mark_held_locks+0x130/0x130
[  199.604521]  ? lock_downgrade+0x900/0x900
[  199.608740]  ? zap_class+0x640/0x640
[  199.612451]  ? zap_class+0x640/0x640
[  199.616151]  ? zap_class+0x640/0x640
[  199.619852]  ? do_raw_spin_unlock+0xa7/0x330
[  199.624248]  ? trace_hardirqs_on+0x310/0x310
[  199.628741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.634263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.639793]  ? check_preemption_disabled+0x48/0x280
[  199.644800]  ? __lock_is_held+0xb5/0x140
[  199.648851]  __alloc_pages_nodemask+0xa80/0xde0
[  199.653507]  ? zap_class+0x640/0x640
[  199.657211]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  199.662218]  ? find_held_lock+0x36/0x1c0
[  199.666270]  ? ____cache_alloc_node+0x1c7/0x1e0
[  199.670931]  ? lock_downgrade+0x900/0x900
[  199.675070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.680594]  cache_grow_begin+0xa5/0x8c0
[  199.684639]  ? do_raw_spin_unlock+0xa7/0x330
[  199.689039]  fallback_alloc+0x204/0x2e0
[  199.693000]  ____cache_alloc_node+0x1c7/0x1e0
[  199.697484]  kmem_cache_alloc_node+0xe3/0x730
[  199.701964]  ? lockdep_hardirqs_on+0x296/0x5b0
[  199.706536]  __alloc_skb+0x119/0x770
[  199.710235]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  199.715585]  ? netdev_alloc_frag+0x1f0/0x1f0
[  199.719986]  ? vprintk_default+0x28/0x30
[  199.724030]  ? vprintk_func+0x85/0x181
[  199.727992]  ? printk+0xa7/0xcf
[  199.731259]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  199.736014]  new_skb+0x26/0x1c0
[  199.739283]  aoecmd_cfg+0x279/0x7f0
[  199.742898]  ? find_held_lock+0x36/0x1c0
[  199.746947]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  199.751257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.756797]  ? __lock_is_held+0xb5/0x140
[  199.760848]  discover_timer+0x50/0x60
[  199.764634]  call_timer_fn+0x272/0x920
[  199.768507]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  199.773336]  ? process_timeout+0x40/0x40
[  199.777389]  ? __run_timers+0x7da/0xc70
[  199.781348]  ? _raw_spin_unlock_irq+0x27/0x80
[  199.785829]  ? _raw_spin_unlock_irq+0x27/0x80
[  199.790309]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  199.795135]  ? lockdep_hardirqs_on+0x296/0x5b0
[  199.799704]  ? trace_hardirqs_on+0xbd/0x310
[  199.804010]  ? kasan_check_read+0x11/0x20
[  199.808139]  ? __run_timers+0x7da/0xc70
[  199.812102]  ? trace_hardirqs_off_caller+0x310/0x310
[  199.817214]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  199.822041]  __run_timers+0x7e5/0xc70
[  199.825832]  ? timer_fixup_init+0x70/0x70
[  199.829965]  ? _raw_spin_unlock_irq+0x27/0x80
[  199.834445]  ? _raw_spin_unlock_irq+0x27/0x80
[  199.838929]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  199.843496]  ? trace_hardirqs_on+0xbd/0x310
[  199.847802]  ? kasan_check_read+0x11/0x20
[  199.851954]  ? finish_task_switch+0x1f4/0x910
[  199.856436]  ? trace_hardirqs_off_caller+0x310/0x310
[  199.861538]  ? compat_start_thread+0x80/0x80
[  199.865945]  ? pvclock_read_flags+0x160/0x160
[  199.870426]  ? __switch_to_asm+0x34/0x70
[  199.874472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.880002]  ? check_preemption_disabled+0x48/0x280
[  199.885011]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  199.890536]  ? rcu_pm_notify+0xc0/0xc0
[  199.894411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.899931]  ? check_preemption_disabled+0x48/0x280
[  199.904937]  run_timer_softirq+0x52/0xb0
[  199.908985]  ? rcu_read_lock_sched_held+0x14f/0x180
[  199.913987]  __do_softirq+0x308/0xb7e
[  199.917779]  ? trace_hardirqs_on_caller+0xc0/0x310
[  199.922696]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  199.927780]  ? retint_kernel+0x2d/0x2d
[  199.931658]  ? schedule+0x108/0x460
[  199.935277]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  199.940024]  ? trace_hardirqs_off+0xb8/0x310
[  199.944417]  ? smpboot_thread_fn+0x68b/0xa00
[  199.948906]  ? trace_hardirqs_on+0x310/0x310
[  199.953301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.958824]  ? check_preemption_disabled+0x48/0x280
[  199.963826]  ? takeover_tasklets+0xa90/0xa90
[  199.968475]  run_ksoftirqd+0x5e/0x100
[  199.972268]  smpboot_thread_fn+0x68b/0xa00
[  199.976493]  ? sort_range+0x30/0x30
[  199.980108]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  199.985196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.990717]  ? __kthread_parkme+0xfb/0x1a0
[  199.994940]  ? sort_range+0x30/0x30
[  199.998552]  kthread+0x35a/0x440
[  200.001906]  ? kthread_stop+0x900/0x900
[  200.005864]  ret_from_fork+0x3a/0x50
[  200.009576] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  200.009580] warn_alloc_show_mem: 1 callbacks suppressed
[  200.009585] Mem-Info:
[  200.016487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  200.016493] Call Trace:
[  200.021847] active_anon:52296 inactive_anon:1840 isolated_anon:0
[  200.021847]  active_file:12 inactive_file:13 isolated_file:0
[  200.021847]  unevictable:0 dirty:0 writeback:0 unstable:0
[  200.021847]  slab_reclaimable:9024 slab_unreclaimable:1453211
[  200.021847]  mapped:49154 shmem:2016 pagetables:677 bounce:0
[  200.021847]  free:13753 free_pcp:137 free_cma:0
[  200.024216]  dump_stack+0x244/0x39d
[  200.033555] Node 0 active_anon:209184kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  200.036120]  ? dump_stack_print_info.cold.1+0x20/0x20
[  200.069134] 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
[  200.072750]  warn_alloc.cold.116+0xb7/0x1bd
[  200.100373] lowmem_reserve[]: 0 2818 6321 6321
[  200.105549]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  200.131623] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  200.135925]  ? lock_downgrade+0x900/0x900
[  200.140474] lowmem_reserve[]: 0 0 3503 3503
[  200.145304]  ? trace_hardirqs_off+0xb8/0x310
[  200.173110] Node 0 Normal free:13928kB min:37364kB low:46704kB high:56044kB active_anon:192800kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2708kB bounce:0kB free_pcp:300kB local_pcp:256kB free_cma:0kB
[  200.177254]  ? trace_hardirqs_off+0xb8/0x310
[  200.181536] lowmem_reserve[]: 0 0 0 0
[  200.185931]  __alloc_pages_slowpath+0x26e8/0x2e10
[  200.214864] 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
[  200.219280]  ? warn_alloc+0x120/0x120
[  200.223036] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  200.227869]  ? warn_alloc+0x120/0x120
[  200.241354] Node 0 Normal: 736*4kB (UMEH) 417*8kB (UMEH) 242*16kB (UMEH) 77*32kB (UMEH) 21*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13960kB
[  200.245136]  ? warn_alloc+0x120/0x120
[  200.260284] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  200.264060]  ? print_usage_bug+0xc0/0xc0
[  200.278766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  200.282542]  ? ip6_mc_input+0x775/0xd20
[  200.291344] 2041 total pagecache pages
[  200.295385]  ? print_usage_bug+0xc0/0xc0
[  200.303928] 0 pages in swap cache
[  200.307880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  200.311727] Swap cache stats: add 0, delete 0, find 0/0
[  200.311734] Free swap  = 0kB
[  200.315775]  ? should_fail+0x22d/0xd01
[  200.319188] Total swap = 0kB
[  200.319194] 1965979 pages RAM
[  200.324708]  ? ipv6_dev_mc_dec+0x260/0x260
[  200.330032] 0 pages HighMem/MovableOnly
[  200.330038] 342854 pages reserved
[  200.333038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  200.336886] 0 pages cma reserved
[  200.336946] aoe: skb alloc failure
[  200.339891]  ? __lock_acquire+0x62f/0x4c20
[  200.339905]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  200.339918]  ? should_fail+0x22d/0xd01
[  200.343014] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  200.347316]  ? mark_held_locks+0x130/0x130
[  200.351255] ksoftirqd/0 cpuset=/ mems_allowed=0
[  200.354688]  ? mark_held_locks+0x130/0x130
[  200.403184]  ? ipv6_rcv+0x419/0x640
[  200.406796]  ? lock_downgrade+0x900/0x900
[  200.410932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.416473]  ? check_preemption_disabled+0x48/0x280
[  200.421482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.427003]  ? check_preemption_disabled+0x48/0x280
[  200.432009]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  200.437551]  ? rcu_pm_notify+0xc0/0xc0
[  200.441432]  __alloc_pages_nodemask+0xa80/0xde0
[  200.446087]  ? zap_class+0x640/0x640
[  200.449805]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  200.454834]  ? find_held_lock+0x36/0x1c0
[  200.458888]  ? ____cache_alloc_node+0x1c7/0x1e0
[  200.463542]  ? lock_downgrade+0x900/0x900
[  200.467682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.473206]  cache_grow_begin+0xa5/0x8c0
[  200.477260]  ? do_raw_spin_unlock+0xa7/0x330
[  200.481662]  fallback_alloc+0x204/0x2e0
[  200.485624]  ____cache_alloc_node+0x1c7/0x1e0
[  200.490109]  kmem_cache_alloc+0x1f8/0x730
[  200.494246]  ? __lock_is_held+0xb5/0x140
[  200.498297]  __build_skb+0xab/0x430
[  200.501912]  ? skb_try_coalesce+0x1b70/0x1b70
[  200.506392]  ? br_netif_receive_skb+0x107/0x210
[  200.511046]  ? __alloc_pages_nodemask+0xde0/0xde0
[  200.515891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.521419]  ? check_preemption_disabled+0x48/0x280
[  200.526424]  __napi_alloc_skb+0x1d6/0x310
[  200.530561]  page_to_skb.isra.45+0xee/0x8d0
[  200.534869]  ? check_preemption_disabled+0x48/0x280
[  200.539873]  ? virtnet_remove+0xf0/0xf0
[  200.543833]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  200.548748]  ? kasan_check_read+0x11/0x20
[  200.552883]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  200.558145]  ? rcu_softirq_qs+0x20/0x20
[  200.562112]  receive_mergeable+0x155d/0x3a90
[  200.566517]  ? virtnet_probe+0x2240/0x2240
[  200.570742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.576271]  ? zap_class+0x640/0x640
[  200.579991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.585517]  ? check_preemption_disabled+0x48/0x280
[  200.590519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.596039]  ? check_preemption_disabled+0x48/0x280
[  200.601049]  ? __lock_is_held+0xb5/0x140
[  200.605100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.610620]  ? rt6_score_route+0x118/0x400
[  200.614841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.620366]  ? find_match+0x492/0x10a0
[  200.624247]  ? ip6_dst_ifdown+0x4e0/0x4e0
[  200.628379]  ? __lock_is_held+0xb5/0x140
[  200.632428]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  200.637604]  ? zap_class+0x640/0x640
[  200.641305]  ? zap_class+0x640/0x640
[  200.645008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.650529]  ? check_preemption_disabled+0x48/0x280
[  200.655540]  ? __lock_is_held+0xb5/0x140
[  200.659619]  ? print_usage_bug+0xc0/0xc0
[  200.663674]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  200.669192]  ? fib6_table_lookup+0xcd5/0x1490
[  200.673680]  ? br_validate_ipv6+0xde0/0xde0
[  200.677994]  ? print_usage_bug+0xc0/0xc0
[  200.682047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.687571]  ? check_preemption_disabled+0x48/0x280
[  200.692583]  ? __lock_acquire+0x62f/0x4c20
[  200.696806]  ? __read_once_size_nocheck.constprop.8+0x10/0x10
[  200.702679]  ? ret_from_fork+0x3a/0x50
[  200.706564]  ? __read_once_size_nocheck.constprop.8+0x10/0x10
[  200.712430]  ? ret_from_fork+0x3a/0x50
[  200.716303]  ? unwind_dump+0x190/0x190
[  200.720184]  ? unwind_next_frame.part.7+0x1ae/0x9e0
[  200.725186]  ? unwind_dump+0x190/0x190
[  200.729068]  ? unwind_dump+0x190/0x190
[  200.732955]  ? unwind_next_frame+0x3e/0x50
[  200.737174]  ? __save_stack_trace+0x7d/0xf0
[  200.741493]  receive_buf+0xb3c/0x3270
[  200.745286]  ? save_stack+0xa9/0xd0
[  200.748903]  ? kasan_unpoison_object_data+0x1/0x20
[  200.753826]  ? receive_mergeable+0x3a90/0x3a90
[  200.758391]  ? __netif_receive_skb+0x2c/0x1e0
[  200.762867]  ? process_backlog+0x24e/0x7a0
[  200.767083]  ? net_rx_action+0x7fa/0x19b0
[  200.771220]  ? __do_softirq+0x308/0xb7e
[  200.775176]  ? run_ksoftirqd+0x5e/0x100
[  200.779142]  ? smpboot_thread_fn+0x68b/0xa00
[  200.783621]  ? kthread+0x35a/0x440
[  200.787148]  ? ret_from_fork+0x3a/0x50
[  200.791019]  ? do_raw_spin_unlock+0xa7/0x330
[  200.795417]  ? trace_hardirqs_on+0x310/0x310
[  200.799812]  ? trace_hardirqs_on+0xbd/0x310
[  200.804121]  ? zap_class+0x640/0x640
[  200.807819]  ? trace_hardirqs_off+0xb8/0x310
[  200.812213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.817736]  ? check_preemption_disabled+0x48/0x280
[  200.822748]  ? print_usage_bug+0xc0/0xc0
[  200.826797]  ? kfree_skbmem+0x154/0x230
[  200.830756]  ? kfree_skbmem+0x154/0x230
[  200.834717]  ? rcu_read_lock_sched_held+0x14f/0x180
[  200.839810]  ? kmem_cache_free+0x24f/0x290
[  200.844032]  ? kfree_skbmem+0x10b/0x230
[  200.847994]  ? __lock_acquire+0x62f/0x4c20
[  200.852220]  ? kfree_skb+0x1c8/0x580
[  200.855923]  ? mark_held_locks+0x130/0x130
[  200.860321]  ? ipv6_dev_mc_dec+0x260/0x260
[  200.864543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.870067]  ? check_preemption_disabled+0x48/0x280
[  200.875075]  ? ip6_mc_input+0x48f/0xd20
[  200.879035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.884555]  ? vring_use_dma_api+0xa5/0xc0
[  200.888777]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  200.894299]  ? vring_unmap_one+0x5a/0x410
[  200.898430]  ? ip6_rcv_finish_core.isra.13+0x13d/0x720
[  200.903697]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  200.909220]  ? detach_buf+0x34b/0x5d0
[  200.913015]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  200.918544]  ? virtqueue_get_buf_ctx+0x3d5/0x820
[  200.923297]  ? virtqueue_detach_unused_buf+0x220/0x220
[  200.928555]  ? ipv6_rcv+0x11d/0x640
[  200.932167]  ? __lock_acquire+0x62f/0x4c20
[  200.936398]  virtnet_poll+0x421/0x105f
[  200.940283]  ? receive_buf+0x3270/0x3270
[  200.944349]  ? process_backlog+0x4ba/0x7a0
[  200.948568]  ? process_backlog+0x4ba/0x7a0
[  200.952786]  ? lockdep_hardirqs_on+0x296/0x5b0
[  200.957355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.962879]  ? check_preemption_disabled+0x48/0x280
[  200.967887]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  200.973419]  net_rx_action+0x7fa/0x19b0
[  200.977389]  ? napi_complete_done+0x7a0/0x7a0
[  200.981872]  ? find_held_lock+0x36/0x1c0
[  200.985927]  ? __run_timers+0xa20/0xc70
[  200.989886]  ? _raw_spin_unlock_irq+0x27/0x80
[  200.994366]  ? _raw_spin_unlock_irq+0x27/0x80
[  200.998848]  ? lockdep_hardirqs_on+0x296/0x5b0
[  201.003414]  ? trace_hardirqs_on+0xbd/0x310
[  201.007719]  ? kasan_check_read+0x11/0x20
[  201.011960]  ? __run_timers+0xa20/0xc70
[  201.015930]  ? _raw_spin_unlock_irq+0x60/0x80
[  201.020411]  ? __run_timers+0xa4a/0xc70
[  201.024380]  ? timer_fixup_init+0x70/0x70
[  201.028512]  ? compat_start_thread+0x80/0x80
[  201.032909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.038437]  ? kasan_check_write+0x14/0x20
[  201.042656]  ? finish_task_switch+0x2f4/0x910
[  201.047138]  ? __switch_to_asm+0x40/0x70
[  201.051202]  ? preempt_notifier_register+0x200/0x200
[  201.056287]  ? __switch_to_asm+0x34/0x70
[  201.060332]  ? __switch_to_asm+0x34/0x70
[  201.064373]  ? __switch_to_asm+0x40/0x70
[  201.068419]  ? __switch_to_asm+0x34/0x70
[  201.072548]  ? __switch_to_asm+0x40/0x70
[  201.076590]  ? __switch_to_asm+0x34/0x70
[  201.080636]  ? __switch_to_asm+0x40/0x70
[  201.084683]  ? __switch_to_asm+0x34/0x70
[  201.088740]  ? pvclock_read_flags+0x160/0x160
[  201.093220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.098740]  ? check_preemption_disabled+0x48/0x280
[  201.103750]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  201.109272]  ? rcu_pm_notify+0xc0/0xc0
[  201.113152]  __do_softirq+0x308/0xb7e
[  201.117047]  ? trace_hardirqs_on_caller+0xc0/0x310
[  201.121966]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  201.127052]  ? trace_hardirqs_on+0x310/0x310
[  201.131449]  ? schedule+0x108/0x460
[  201.135604]  ? trace_hardirqs_off+0xb8/0x310
[  201.139999]  ? smpboot_thread_fn+0x68b/0xa00
[  201.144393]  ? trace_hardirqs_on+0x310/0x310
[  201.148790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.154315]  ? check_preemption_disabled+0x48/0x280
[  201.159431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.164956]  ? takeover_tasklets+0xa90/0xa90
[  201.169351]  run_ksoftirqd+0x5e/0x100
[  201.173138]  smpboot_thread_fn+0x68b/0xa00
[  201.177363]  ? sort_range+0x30/0x30
[  201.180979]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  201.186069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.191591]  ? __kthread_parkme+0xfb/0x1a0
[  201.195814]  ? sort_range+0x30/0x30
[  201.199429]  kthread+0x35a/0x440
[  201.202783]  ? kthread_stop+0x900/0x900
[  201.206742]  ret_from_fork+0x3a/0x50
[  201.210458] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #141
[  201.217293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  201.226635] Call Trace:
[  201.229222]  dump_stack+0x244/0x39d
[  201.232846]  ? dump_stack_print_info.cold.1+0x20/0x20
[  201.238131]  warn_alloc.cold.116+0xb7/0x1bd
[  201.242459]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  201.247297]  ? lock_downgrade+0x900/0x900
[  201.251442]  ? trace_hardirqs_off+0xb8/0x310
[  201.255947]  ? trace_hardirqs_off+0xb8/0x310
[  201.260355]  __alloc_pages_slowpath+0x26e8/0x2e10
[  201.265215]  ? warn_alloc+0x120/0x120
[  201.269013]  ? warn_alloc+0x120/0x120
[  201.272811]  ? warn_alloc+0x120/0x120
[  201.276712]  ? find_held_lock+0x36/0x1c0
[  201.280855]  ? print_usage_bug+0xc0/0xc0
[  201.284911]  ? print_usage_bug+0xc0/0xc0
[  201.288965]  ? mark_held_locks+0x130/0x130
[  201.293196]  ? mark_held_locks+0x130/0x130
[  201.297428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.302957]  ? should_fail+0x22d/0xd01
[  201.306837]  ? zap_class+0x640/0x640
[  201.310566]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  201.315666]  ? __lock_acquire+0x62f/0x4c20
[  201.319900]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  201.324996]  ? __lock_acquire+0x62f/0x4c20
[  201.329221]  ? should_fail+0x22d/0xd01
[  201.333108]  ? mark_held_locks+0x130/0x130
[  201.337342]  ? mark_held_locks+0x130/0x130
[  201.341570]  ? lock_downgrade+0x900/0x900
[  201.345709]  ? zap_class+0x640/0x640
[  201.349418]  ? zap_class+0x640/0x640
[  201.353131]  ? zap_class+0x640/0x640
[  201.356841]  ? do_raw_spin_unlock+0xa7/0x330
[  201.361241]  ? trace_hardirqs_on+0x310/0x310
[  201.365644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.371177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.376706]  ? check_preemption_disabled+0x48/0x280
[  201.381725]  ? __lock_is_held+0xb5/0x140
[  201.385783]  __alloc_pages_nodemask+0xa80/0xde0
[  201.390442]  ? zap_class+0x640/0x640
[  201.394166]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  201.399190]  ? find_held_lock+0x36/0x1c0
[  201.403253]  ? ____cache_alloc_node+0x1c7/0x1e0
[  201.407920]  ? lock_downgrade+0x900/0x900
[  201.412068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.417603]  cache_grow_begin+0xa5/0x8c0
[  201.421654]  ? do_raw_spin_unlock+0xa7/0x330
[  201.426060]  fallback_alloc+0x204/0x2e0
[  201.430035]  ____cache_alloc_node+0x1c7/0x1e0
[  201.434530]  kmem_cache_alloc_node+0xe3/0x730
[  201.439022]  ? lockdep_hardirqs_on+0x296/0x5b0
[  201.443605]  __alloc_skb+0x119/0x770
[  201.447308]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  201.452668]  ? netdev_alloc_frag+0x1f0/0x1f0
[  201.457093]  ? vprintk_default+0x28/0x30
[  201.461168]  ? vprintk_func+0x85/0x181
[  201.465046]  ? printk+0xa7/0xcf
[  201.468318]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  201.473075]  new_skb+0x26/0x1c0
[  201.476345]  aoecmd_cfg+0x279/0x7f0
[  201.479967]  ? find_held_lock+0x36/0x1c0
[  201.484025]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  201.488342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.493883]  ? __lock_is_held+0xb5/0x140
[  201.497945]  discover_timer+0x50/0x60
[  201.501735]  call_timer_fn+0x272/0x920
[  201.505615]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  201.510451]  ? process_timeout+0x40/0x40
[  201.514508]  ? __run_timers+0x7da/0xc70
[  201.518477]  ? _raw_spin_unlock_irq+0x27/0x80
[  201.522961]  ? _raw_spin_unlock_irq+0x27/0x80
[  201.527445]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  201.532281]  ? lockdep_hardirqs_on+0x296/0x5b0
[  201.536858]  ? trace_hardirqs_on+0xbd/0x310
[  201.541178]  ? kasan_check_read+0x11/0x20
[  201.545318]  ? __run_timers+0x7da/0xc70
[  201.549286]  ? trace_hardirqs_off_caller+0x310/0x310
[  201.554393]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  201.559227]  __run_timers+0x7e5/0xc70
[  201.563031]  ? timer_fixup_init+0x70/0x70
[  201.567188]  ? _raw_spin_unlock_irq+0x27/0x80
[  201.571675]  ? _raw_spin_unlock_irq+0x27/0x80
[  201.576168]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  201.580748]  ? trace_hardirqs_on+0xbd/0x310
[  201.585075]  ? kasan_check_read+0x11/0x20
[  201.589220]  ? finish_task_switch+0x1f4/0x910
[  201.593708]  ? trace_hardirqs_off_caller+0x310/0x310
[  201.598802]  ? compat_start_thread+0x80/0x80
[  201.603221]  ? pvclock_read_flags+0x160/0x160
[  201.607705]  ? __switch_to_asm+0x34/0x70
[  201.611760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.617291]  ? check_preemption_disabled+0x48/0x280
[  201.622313]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  201.627844]  ? rcu_pm_notify+0xc0/0xc0
[  201.631726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.637262]  ? check_preemption_disabled+0x48/0x280
[  201.642277]  run_timer_softirq+0x52/0xb0
[  201.646329]  ? rcu_read_lock_sched_held+0x14f/0x180
[  201.651338]  __do_softirq+0x308/0xb7e
[  201.655155]  ? trace_hardirqs_on_caller+0xc0/0x310
[  201.660082]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  201.665175]  ? retint_kernel+0x2d/0x2d
[  201.669061]  ? schedule+0x108/0x460
[  201.672686]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  201.677445]  ? trace_hardirqs_off+0xb8/0x310
[  201.681852]  ? smpboot_thread_fn+0x68b/0xa00
[  201.686254]  ? trace_hardirqs_on+0x310/0x310
[  201.690678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.696210]  ? check_preemption_disabled+0x48/0x280
[  201.701222]  ? takeover_tasklets+0xa90/0xa90
[  201.705623]  run_ksoftirqd+0x5e/0x100
[  201.709414]  smpboot_thread_fn+0x68b/0xa00
[  201.713645]  ? sort_range+0x30/0x30
[  201.717264]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  201.722359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.727892]  ? __kthread_parkme+0xfb/0x1a0
[  201.732139]  ? sort_range+0x30/0x30
[  201.735767]  kthread+0x35a/0x440
[  201.739143]  ? kthread_stop+0x900/0x900
[  201.743122]  ret_from_fork+0x3a/0x50
[  201.746851] warn_alloc_show_mem: 1 callbacks suppressed
[  201.746855] Mem-Info:
[  201.754622] active_anon:52296 inactive_anon:1840 isolated_anon:0
[  201.754622]  active_file:12 inactive_file:13 isolated_file:0
[  201.754622]  unevictable:0 dirty:0 writeback:0 unstable:0
[  201.754622]  slab_reclaimable:9024 slab_unreclaimable:1453211
[  201.754622]  mapped:49154 shmem:2016 pagetables:677 bounce:0
[  201.754622]  free:13753 free_pcp:137 free_cma:0
[  201.787734] Node 0 active_anon:209184kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  201.815389] 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
[  201.841511] lowmem_reserve[]: 0 2818 6321 6321
[  201.846089] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  201.873952] lowmem_reserve[]: 0 0 3503 3503
[  201.878267] Node 0 Normal free:13928kB min:37364kB low:46704kB high:56044kB active_anon:192800kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2708kB bounce:0kB free_pcp:300kB local_pcp:256kB free_cma:0kB
[  201.907251] lowmem_reserve[]: 0 0 0 0
[  201.911047] 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
[  201.924714] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  201.939939] Node 0 Normal: 736*4kB (UMEH) 417*8kB (UMEH) 242*16kB (UMEH) 77*32kB (UMEH) 21*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13960kB
[  201.954636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  201.963461] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  201.972533] 2041 total pagecache pages
[  201.976415] 0 pages in swap cache
[  201.979854] Swap cache stats: add 0, delete 0, find 0/0
[  201.985201] Free swap  = 0kB
[  201.988206] Total swap = 0kB
[  201.991214] 1965979 pages RAM
[  201.994302] 0 pages HighMem/MovableOnly
[  201.998258] 342854 pages reserved
[  202.001694] 0 pages cma reserved
[  202.005092] aoe: skb alloc failure
[  202.008652] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  202.019059] ksoftirqd/0 cpuset=/ mems_allowed=0
[  202.023740] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #141
[  202.030657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  202.040001] Call Trace:
[  202.042586]  dump_stack+0x244/0x39d
[  202.046216]  ? dump_stack_print_info.cold.1+0x20/0x20
[  202.051415]  warn_alloc.cold.116+0xb7/0x1bd
[  202.055755]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  202.060594]  ? lock_downgrade+0x900/0x900
[  202.064742]  ? trace_hardirqs_off+0xb8/0x310
[  202.069151]  ? trace_hardirqs_off+0xb8/0x310
[  202.073560]  __alloc_pages_slowpath+0x26e8/0x2e10
[  202.078418]  ? warn_alloc+0x120/0x120
[  202.082223]  ? warn_alloc+0x120/0x120
[  202.086019]  ? warn_alloc+0x120/0x120
[  202.089812]  ? print_usage_bug+0xc0/0xc0
[  202.093870]  ? print_usage_bug+0xc0/0xc0
[  202.097925]  ? mark_held_locks+0x130/0x130
[  202.102155]  ? mark_held_locks+0x130/0x130
[  202.106384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  202.111911]  ? should_fail+0x22d/0xd01
[  202.115789]  ? zap_class+0x640/0x640
[  202.119500]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  202.124594]  ? __lock_acquire+0x62f/0x4c20
[  202.128826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  202.133921]  ? __lock_acquire+0x62f/0x4c20
[  202.138145]  ? should_fail+0x22d/0xd01
[  202.142028]  ? zap_class+0x640/0x640
[  202.145744]  ? mark_held_locks+0x130/0x130
[  202.150065]  ? mark_held_locks+0x130/0x130
[  202.154306]  ? zap_class+0x640/0x640
[  202.158013]  ? zap_class+0x640/0x640
[  202.161720]  ? up+0xea/0x1c0
[  202.164735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.170271]  ? check_preemption_disabled+0x48/0x280
[  202.175286]  ? __lock_is_held+0xb5/0x140
[  202.179344]  __alloc_pages_nodemask+0xa80/0xde0
[  202.184006]  ? zap_class+0x640/0x640
[  202.187715]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  202.192735]  ? find_held_lock+0x36/0x1c0
[  202.196804]  ? ____cache_alloc_node+0x1c7/0x1e0
[  202.201577]  ? lock_downgrade+0x900/0x900
[  202.205738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.211270]  cache_grow_begin+0xa5/0x8c0
[  202.215321]  ? do_raw_spin_unlock+0xa7/0x330
[  202.219731]  fallback_alloc+0x204/0x2e0
[  202.223706]  ____cache_alloc_node+0x1c7/0x1e0
[  202.228200]  kmem_cache_alloc_node+0xe3/0x730
[  202.232688]  ? lockdep_hardirqs_on+0x296/0x5b0
[  202.237270]  __alloc_skb+0x119/0x770
[  202.240979]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  202.246338]  ? netdev_alloc_frag+0x1f0/0x1f0
[  202.250744]  ? vprintk_default+0x28/0x30
[  202.254799]  ? vprintk_func+0x85/0x181
[  202.258678]  ? printk+0xa7/0xcf
[  202.262038]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  202.266802]  new_skb+0x26/0x1c0
[  202.270082]  aoecmd_cfg+0x279/0x7f0
[  202.273719]  ? find_held_lock+0x36/0x1c0
[  202.277773]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  202.282106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.287645]  ? __lock_is_held+0xb5/0x140
[  202.291710]  discover_timer+0x50/0x60
[  202.295518]  call_timer_fn+0x272/0x920
[  202.299422]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  202.304258]  ? process_timeout+0x40/0x40
[  202.308315]  ? __run_timers+0x7da/0xc70
[  202.312283]  ? _raw_spin_unlock_irq+0x27/0x80
[  202.316769]  ? _raw_spin_unlock_irq+0x27/0x80
[  202.321258]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  202.326096]  ? lockdep_hardirqs_on+0x296/0x5b0
[  202.330675]  ? trace_hardirqs_on+0xbd/0x310
[  202.334986]  ? kasan_check_read+0x11/0x20
[  202.339126]  ? __run_timers+0x7da/0xc70
[  202.343099]  ? trace_hardirqs_off_caller+0x310/0x310
[  202.348204]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  202.353038]  __run_timers+0x7e5/0xc70
[  202.356861]  ? timer_fixup_init+0x70/0x70
[  202.361009]  ? _raw_spin_unlock_irq+0x27/0x80
[  202.365495]  ? _raw_spin_unlock_irq+0x27/0x80
[  202.369984]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  202.374560]  ? trace_hardirqs_on+0xbd/0x310
[  202.378875]  ? kasan_check_read+0x11/0x20
[  202.383016]  ? finish_task_switch+0x1f4/0x910
[  202.387504]  ? trace_hardirqs_off_caller+0x310/0x310
[  202.392718]  ? compat_start_thread+0x80/0x80
[  202.397134]  ? pvclock_read_flags+0x160/0x160
[  202.401625]  ? __switch_to_asm+0x34/0x70
[  202.405683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.411318]  ? check_preemption_disabled+0x48/0x280
[  202.416337]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  202.421865]  ? rcu_pm_notify+0xc0/0xc0
[  202.425746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.431279]  ? check_preemption_disabled+0x48/0x280
[  202.436384]  run_timer_softirq+0x52/0xb0
[  202.440459]  ? rcu_read_lock_sched_held+0x14f/0x180
[  202.445475]  __do_softirq+0x308/0xb7e
[  202.449292]  ? trace_hardirqs_on_caller+0xc0/0x310
[  202.454222]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  202.459319]  ? retint_kernel+0x2d/0x2d
[  202.463204]  ? schedule+0x108/0x460
[  202.466821]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  202.471577]  ? trace_hardirqs_off+0xb8/0x310
[  202.475984]  ? smpboot_thread_fn+0x68b/0xa00
[  202.480387]  ? trace_hardirqs_on+0x310/0x310
[  202.484875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  202.490405]  ? check_preemption_disabled+0x48/0x280
[  202.495413]  ? takeover_tasklets+0xa90/0xa90
[  202.499814]  run_ksoftirqd+0x5e/0x100
[  202.503605]  smpboot_thread_fn+0x68b/0xa00
[  202.507836]  ? sort_range+0x30/0x30
[  202.511469]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  202.516691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  202.522223]  ? __kthread_parkme+0xfb/0x1a0
[  202.526451]  ? sort_range+0x30/0x30
[  202.530074]  kthread+0x35a/0x440
[  202.533432]  ? kthread_stop+0x900/0x900
[  202.537400]  ret_from_fork+0x3a/0x50
[  202.541147] aoe: skb alloc failure
[  202.544695] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  202.554991] ksoftirqd/0 cpuset=/ mems_allowed=0
[  202.559661] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #141
[  202.566485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  202.575822] Call Trace:
[  202.578413]  dump_stack+0x244/0x39d
[  202.582068]  ? dump_stack_print_info.cold.1+0x20/0x20
[  202.587280]  warn_alloc.cold.116+0xb7/0x1bd
[  202.591601]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  202.596439]  ? lock_downgrade+0x900/0x900
[  202.600584]  ? trace_hardirqs_off+0xb8/0x310
[  202.604993]  ? trace_hardirqs_off+0xb8/0x310
[  202.609401]  __alloc_pages_slowpath+0x26e8/0x2e10
[  202.614259]  ? warn_alloc+0x120/0x120
[  202.618069]  ? warn_alloc+0x120/0x120
[  202.621868]  ? warn_alloc+0x120/0x120
[  202.625664]  ? print_usage_bug+0xc0/0xc0
[  202.629724]  ? print_usage_bug+0xc0/0xc0
[  202.633780]  ? mark_held_locks+0x130/0x130
[  202.638015]  ? mark_held_locks+0x130/0x130
[  202.642267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  202.647793]  ? should_fail+0x22d/0xd01
[  202.651673]  ? zap_class+0x640/0x640
[  202.655387]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  202.660571]  ? __lock_acquire+0x62f/0x4c20
[  202.664803]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  202.669900]  ? __lock_acquire+0x62f/0x4c20
[  202.674124]  ? should_fail+0x22d/0xd01
[  202.678004]  ? zap_class+0x640/0x640
[  202.681723]  ? mark_held_locks+0x130/0x130
[  202.685952]  ? mark_held_locks+0x130/0x130
[  202.690178]  ? zap_class+0x640/0x640
[  202.693886]  ? zap_class+0x640/0x640
[  202.697591]  ? up+0xea/0x1c0
[  202.700605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.706131]  ? check_preemption_disabled+0x48/0x280
[  202.711147]  ? __lock_is_held+0xb5/0x140
[  202.715224]  __alloc_pages_nodemask+0xa80/0xde0
[  202.719886]  ? zap_class+0x640/0x640
[  202.723597]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  202.728635]  ? find_held_lock+0x36/0x1c0
[  202.732700]  ? ____cache_alloc_node+0x1c7/0x1e0
[  202.737359]  ? lock_downgrade+0x900/0x900
[  202.741503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.747046]  cache_grow_begin+0xa5/0x8c0
[  202.751105]  ? do_raw_spin_unlock+0xa7/0x330
[  202.755519]  fallback_alloc+0x204/0x2e0
[  202.759489]  ____cache_alloc_node+0x1c7/0x1e0
[  202.763983]  kmem_cache_alloc_node+0xe3/0x730
[  202.768471]  ? lockdep_hardirqs_on+0x296/0x5b0
[  202.773064]  __alloc_skb+0x119/0x770
[  202.776769]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  202.782226]  ? netdev_alloc_frag+0x1f0/0x1f0
[  202.786639]  ? vprintk_default+0x28/0x30
[  202.790701]  ? vprintk_func+0x85/0x181
[  202.794580]  ? printk+0xa7/0xcf
[  202.797853]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  202.802609]  new_skb+0x26/0x1c0
[  202.805884]  aoecmd_cfg+0x279/0x7f0
[  202.809505]  ? find_held_lock+0x36/0x1c0
[  202.813561]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  202.817884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.823423]  ? __lock_is_held+0xb5/0x140
[  202.827485]  discover_timer+0x50/0x60
[  202.831280]  call_timer_fn+0x272/0x920
[  202.835160]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  202.839992]  ? process_timeout+0x40/0x40
[  202.844064]  ? __run_timers+0x7da/0xc70
[  202.848041]  ? _raw_spin_unlock_irq+0x27/0x80
[  202.852524]  ? _raw_spin_unlock_irq+0x27/0x80
[  202.857009]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  202.861854]  ? lockdep_hardirqs_on+0x296/0x5b0
[  202.866442]  ? trace_hardirqs_on+0xbd/0x310
[  202.870758]  ? kasan_check_read+0x11/0x20
[  202.874899]  ? __run_timers+0x7da/0xc70
[  202.878867]  ? trace_hardirqs_off_caller+0x310/0x310
[  202.883992]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  202.888827]  __run_timers+0x7e5/0xc70
[  202.892627]  ? timer_fixup_init+0x70/0x70
[  202.896769]  ? _raw_spin_unlock_irq+0x27/0x80
[  202.901344]  ? _raw_spin_unlock_irq+0x27/0x80
[  202.905835]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  202.910514]  ? trace_hardirqs_on+0xbd/0x310
[  202.914917]  ? kasan_check_read+0x11/0x20
[  202.919061]  ? finish_task_switch+0x1f4/0x910
[  202.923546]  ? trace_hardirqs_off_caller+0x310/0x310
[  202.928640]  ? compat_start_thread+0x80/0x80
[  202.930042] oom_reaper: reaped process 8480 (syz-executor3), now anon-rss:0kB, file-rss:32704kB, shmem-rss:0kB
[  202.933058]  ? pvclock_read_flags+0x160/0x160
[  202.933072]  ? __switch_to_asm+0x34/0x70
[  202.933086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.957317]  ? check_preemption_disabled+0x48/0x280
[  202.960819] cron invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[  202.962330]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  202.973258] cron cpuset=/ mems_allowed=0
[  202.978762]  ? rcu_pm_notify+0xc0/0xc0
[  202.986669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.992193]  ? check_preemption_disabled+0x48/0x280
[  202.997202]  run_timer_softirq+0x52/0xb0
[  203.001250]  ? rcu_read_lock_sched_held+0x14f/0x180
[  203.006254]  __do_softirq+0x308/0xb7e
[  203.010049]  ? trace_hardirqs_on_caller+0xc0/0x310
[  203.014966]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  203.020055]  ? retint_kernel+0x2d/0x2d
[  203.023934]  ? schedule+0x108/0x460
[  203.027551]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  203.032306]  ? trace_hardirqs_off+0xb8/0x310
[  203.036703]  ? smpboot_thread_fn+0x68b/0xa00
[  203.041099]  ? trace_hardirqs_on+0x310/0x310
[  203.045493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  203.051030]  ? check_preemption_disabled+0x48/0x280
[  203.056037]  ? takeover_tasklets+0xa90/0xa90
[  203.060434]  run_ksoftirqd+0x5e/0x100
[  203.064225]  smpboot_thread_fn+0x68b/0xa00
[  203.068449]  ? sort_range+0x30/0x30
[  203.072062]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  203.077152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  203.082676]  ? __kthread_parkme+0xfb/0x1a0
[  203.086903]  ? sort_range+0x30/0x30
[  203.090518]  kthread+0x35a/0x440
[  203.093875]  ? kthread_stop+0x900/0x900
[  203.097836]  ret_from_fork+0x3a/0x50
[  203.101551] CPU: 1 PID: 5881 Comm: cron Not tainted 4.20.0-rc1+ #141
[  203.101556] warn_alloc_show_mem: 1 callbacks suppressed
[  203.101562] Mem-Info:
[  203.108126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  203.108133] Call Trace:
[  203.113488] active_anon:51763 inactive_anon:1840 isolated_anon:0
[  203.113488]  active_file:12 inactive_file:13 isolated_file:0
[  203.113488]  unevictable:0 dirty:0 writeback:0 unstable:0
[  203.113488]  slab_reclaimable:9024 slab_unreclaimable:1453211
[  203.113488]  mapped:49154 shmem:2016 pagetables:677 bounce:0
[  203.113488]  free:14265 free_pcp:169 free_cma:0
[  203.115863]  dump_stack+0x244/0x39d
[  203.125201] Node 0 active_anon:207052kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  203.127764]  ? dump_stack_print_info.cold.1+0x20/0x20
[  203.161017] 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
[  203.164629]  ? mark_held_locks+0x130/0x130
[  203.192251] lowmem_reserve[]: 0 2818 6321 6321
[  203.197429]  ? mark_held_locks+0x130/0x130
[  203.223513] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  203.227728]  dump_header+0x27b/0xf72
[  203.232267] lowmem_reserve[]: 0 0 3503 3503
[  203.236497]  ? pagefault_out_of_memory+0x197/0x197
[  203.264297] Node 0 Normal free:15976kB min:37364kB low:46704kB high:56044kB active_anon:190668kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2708kB bounce:0kB free_pcp:428kB local_pcp:256kB free_cma:0kB
[  203.268003]  ? __lock_acquire+0x62f/0x4c20
[  203.272281] lowmem_reserve[]: 0 0 0 0
[  203.277199]  ? percpu_ref_get_many+0x240/0x240
[  203.306131] 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
[  203.310351]  ? print_usage_bug+0xc0/0xc0
[  203.314110] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  203.318680]  ? zap_class+0x640/0x640
[  203.332165] Node 0 Normal: 736*4kB (UMEH) 417*8kB (UMEH) 242*16kB (UMEH) 77*32kB (UMEH) 21*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 16008kB
[  203.336207]  ? print_usage_bug+0xc0/0xc0
[  203.351345] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  203.355033]  ? print_usage_bug+0xc0/0xc0
[  203.370003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  203.374040]  ? zap_class+0x640/0x640
[  203.382839] 2041 total pagecache pages
[  203.386881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.395432] 0 pages in swap cache
[  203.399124]  ? find_held_lock+0x36/0x1c0
[  203.402983] Swap cache stats: add 0, delete 0, find 0/0
[  203.408505]  ? mark_held_locks+0xc7/0x130
[  203.411918] Free swap  = 0kB
[  203.415957]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  203.421283] Total swap = 0kB
[  203.421290] 1965979 pages RAM
[  203.425412]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  203.428394] 0 pages HighMem/MovableOnly
[  203.428400] 342854 pages reserved
[  203.433482]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  203.436466] 0 pages cma reserved
[  203.439555]  ? trace_hardirqs_on+0xbd/0x310
[  203.444674] aoe: skb alloc failure
[  203.448568]  ? kasan_check_read+0x11/0x20
[  203.448581]  ? ___ratelimit+0x3b4/0x672
[  203.475921]  ? trace_hardirqs_off_caller+0x310/0x310
[  203.481019]  ? trace_hardirqs_on+0x310/0x310
[  203.485420]  ? lock_downgrade+0x900/0x900
[  203.489567]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  203.494660]  ? ___ratelimit+0x3b9/0x672
[  203.498627]  ? idr_get_free+0xf70/0xf70
[  203.502590]  ? find_held_lock+0x36/0x1c0
[  203.506650]  oom_kill_process.cold.27+0x10/0x903
[  203.511401]  ? zap_class+0x640/0x640
[  203.515106]  ? check_preemption_disabled+0x48/0x280
[  203.520118]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  203.525044]  ? kasan_check_read+0x11/0x20
[  203.527431] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  203.529181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  203.539640] syz-executor3 cpuset=syz3 mems_allowed=0
[  203.544901]  ? oom_evaluate_task+0x540/0x540
[  203.554361]  ? find_held_lock+0x36/0x1c0
[  203.558417]  ? out_of_memory+0x974/0x1430
[  203.562553]  ? lock_downgrade+0x900/0x900
[  203.566688]  ? check_preemption_disabled+0x48/0x280
[  203.571694]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  203.576607]  ? kasan_check_read+0x11/0x20
[  203.580742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  203.586005]  ? rcu_softirq_qs+0x20/0x20
[  203.589975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  203.595495]  ? oom_evaluate_task+0x302/0x540
[  203.599895]  out_of_memory+0xa84/0x1430
[  203.603865]  ? oom_killer_disable+0x3a0/0x3a0
[  203.608347]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  203.613270]  ? __ww_mutex_check_waiters+0x160/0x160
[  203.618279]  __alloc_pages_slowpath+0x2354/0x2e10
[  203.623131]  ? warn_alloc+0x120/0x120
[  203.626916]  ? mark_held_locks+0x130/0x130
[  203.631140]  ? find_get_entry+0xaae/0x1120
[  203.635458]  ? filemap_map_pages+0x1a20/0x1a20
[  203.640038]  ? zap_class+0x640/0x640
[  203.643746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.649274]  ? check_preemption_disabled+0x48/0x280
[  203.654280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  203.659802]  ? should_fail+0x22d/0xd01
[  203.663680]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  203.668771]  ? zap_class+0x640/0x640
[  203.672495]  ? __lock_is_held+0xb5/0x140
[  203.676548]  ? mark_held_locks+0x130/0x130
[  203.680775]  ? lock_release+0xa00/0xa00
[  203.684739]  ? perf_trace_sched_process_exec+0x860/0x860
[  203.690175]  ? xa_load+0x2ba/0x460
[  203.693706]  ? lock_downgrade+0x900/0x900
[  203.697861]  ? __might_sleep+0x95/0x190
[  203.701823]  __alloc_pages_nodemask+0xa80/0xde0
[  203.706487]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  203.711582]  ? __page_cache_alloc+0x191/0x5c0
[  203.716072]  ? xa_load+0x2e1/0x460
[  203.719599]  ? xa_clear_mark+0x40/0x40
[  203.723474]  ? zap_class+0x640/0x640
[  203.727182]  ? zap_class+0x640/0x640
[  203.730880]  ? zap_class+0x640/0x640
[  203.734582]  ? __do_page_cache_readahead+0x663/0x810
[  203.739674]  ? find_held_lock+0x36/0x1c0
[  203.743727]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  203.749257]  alloc_pages_current+0x173/0x350
[  203.753658]  __page_cache_alloc+0x38c/0x5c0
[  203.757967]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  203.762880]  ? kasan_check_read+0x11/0x20
[  203.767035]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  203.772297]  ? generic_perform_write+0x6a0/0x6a0
[  203.777040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  203.782576]  ? check_preemption_disabled+0x48/0x280
[  203.787586]  filemap_fault+0x1595/0x25f0
[  203.791642]  ? __lock_page_or_retry+0xa00/0xa00
[  203.796299]  ? mark_held_locks+0x130/0x130
[  203.800528]  ? filemap_map_pages+0xd6b/0x1a20
[  203.805021]  ? lock_downgrade+0x900/0x900
[  203.809155]  ? check_preemption_disabled+0x48/0x280
[  203.814162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  203.819076]  ? kasan_check_read+0x11/0x20
[  203.823295]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  203.828555]  ? rcu_softirq_qs+0x20/0x20
[  203.832536]  ? filemap_map_pages+0xd92/0x1a20
[  203.837048]  ? find_get_entries_tag+0x1400/0x1400
[  203.841896]  ? lock_acquire+0x1ed/0x520
[  203.845859]  ? ext4_filemap_fault+0x7a/0xad
[  203.850169]  ? lock_release+0xa00/0xa00
[  203.854127]  ? perf_trace_sched_process_exec+0x860/0x860
[  203.859563]  ? mark_held_locks+0x130/0x130
[  203.863782]  ? print_usage_bug+0xc0/0xc0
[  203.867833]  ? print_usage_bug+0xc0/0xc0
[  203.871892]  ? down_read+0x8d/0x120
[  203.875501]  ? ext4_filemap_fault+0x7a/0xad
[  203.879809]  ? __down_interruptible+0x700/0x700
[  203.884471]  ext4_filemap_fault+0x82/0xad
[  203.888607]  __do_fault+0x100/0x6b0
[  203.892226]  ? pmd_devmap_trans_unstable+0x220/0x220
[  203.897315]  ? mark_held_locks+0x130/0x130
[  203.901543]  ? mark_held_locks+0x130/0x130
[  203.905765]  ? hrtimer_forward+0x2a0/0x2a0
[  203.909987]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  203.914906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  203.920437]  __handle_mm_fault+0x3ea0/0x5be0
[  203.924840]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  203.929669]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  203.934759]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  203.939850]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  203.944421]  ? trace_hardirqs_on+0xbd/0x310
[  203.948728]  ? kasan_check_read+0x11/0x20
[  203.952863]  ? __free_object+0x173/0x340
[  203.956916]  ? zap_class+0x640/0x640
[  203.960710]  ? zap_class+0x640/0x640
[  203.964420]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  203.969789]  ? find_held_lock+0x36/0x1c0
[  203.973848]  ? handle_mm_fault+0x42a/0xc70
[  203.978073]  ? lock_downgrade+0x900/0x900
[  203.982210]  ? check_preemption_disabled+0x48/0x280
[  203.987217]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  203.992131]  ? kasan_check_read+0x11/0x20
[  203.996264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  204.001543]  ? rcu_softirq_qs+0x20/0x20
[  204.005505]  ? trace_hardirqs_off_caller+0x310/0x310
[  204.010606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.016147]  ? check_preemption_disabled+0x48/0x280
[  204.021158]  handle_mm_fault+0x54f/0xc70
[  204.025221]  ? __handle_mm_fault+0x5be0/0x5be0
[  204.029794]  ? find_vma+0x34/0x190
[  204.033328]  __do_page_fault+0x5e8/0xe60
[  204.037373]  ? trace_hardirqs_off+0xb8/0x310
[  204.041773]  do_page_fault+0xf2/0x7e0
[  204.045559]  ? vmalloc_sync_all+0x30/0x30
[  204.049695]  ? error_entry+0x70/0xd0
[  204.053397]  ? trace_hardirqs_off_caller+0xbb/0x310
[  204.058401]  ? trace_hardirqs_on_caller+0xc0/0x310
[  204.063317]  ? syscall_return_slowpath+0x5e0/0x5e0
[  204.068229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.073059]  ? trace_hardirqs_on_caller+0x310/0x310
[  204.078063]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  204.083497]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  204.088498]  ? prepare_exit_to_usermode+0x291/0x3b0
[  204.093499]  ? page_fault+0x8/0x30
[  204.097029]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.101862]  ? page_fault+0x8/0x30
[  204.105387]  page_fault+0x1e/0x30
[  204.108822] RIP: 0033:0x7fa0540f3e40
[  204.112530] Code: Bad RIP value.
[  204.115876] RSP: 002b:00007fff71365118 EFLAGS: 00010246
[  204.121224] RAX: 0000000000000000 RBX: 00007fff71365240 RCX: 00007fa0540f3e40
[  204.128479] RDX: 0000000000000000 RSI: 00007fff713652c0 RDI: 00007fff713652c0
[  204.135735] RBP: 00007fff713651c0 R08: 00007fff71365120 R09: 0000000000000000
[  204.142986] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  204.150240] R13: 00007fff71365420 R14: 0000000000000000 R15: 0000000000000000
[  204.157518] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  204.157646] Mem-Info:
[  204.164779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  204.164784] Call Trace:
[  204.164802]  dump_stack+0x244/0x39d
[  204.164819]  ? dump_stack_print_info.cold.1+0x20/0x20
[  204.167220] active_anon:51753 inactive_anon:1840 isolated_anon:0
[  204.167220]  active_file:12 inactive_file:13 isolated_file:0
[  204.167220]  unevictable:0 dirty:0 writeback:0 unstable:0
[  204.167220]  slab_reclaimable:9024 slab_unreclaimable:1453729
[  204.167220]  mapped:49154 shmem:2016 pagetables:676 bounce:0
[  204.167220]  free:13759 free_pcp:153 free_cma:0
[  204.176541]  warn_alloc.cold.116+0xb7/0x1bd
[  204.176559]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  204.179174] Node 0 active_anon:207012kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  204.182745]  ? lock_downgrade+0x900/0x900
[  204.187919] 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
[  204.220961]  ? trace_hardirqs_off+0xb8/0x310
[  204.220978]  ? trace_hardirqs_off+0xb8/0x310
[  204.220998]  __alloc_pages_slowpath+0x26e8/0x2e10
[  204.225282] lowmem_reserve[]: 0 2818 6321 6321
[  204.230135]  ? warn_alloc+0x120/0x120
[  204.257795] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  204.262028]  ? warn_alloc+0x120/0x120
[  204.262041]  ? dev_hard_start_xmit+0x42c/0xc80
[  204.262055]  ? warn_alloc+0x120/0x120
[  204.288165] lowmem_reserve[]: 0 0 3503 3503
[  204.292536]  ? print_usage_bug+0xc0/0xc0
[  204.292550]  ? print_usage_bug+0xc0/0xc0
[  204.292565]  ? find_held_lock+0x36/0x1c0
[  204.296941] Node 0 Normal free:13952kB min:37364kB low:46704kB high:56044kB active_anon:190628kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2704kB bounce:0kB free_pcp:364kB local_pcp:172kB free_cma:0kB
[  204.301770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.301781]  ? should_fail+0x22d/0xd01
[  204.301795]  ? __local_bh_enable_ip+0x160/0x260
[  204.306340] lowmem_reserve[]: 0 0 0 0
[  204.310119]  ? __local_bh_enable_ip+0x160/0x260
[  204.310136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  204.310151]  ? __lock_acquire+0x62f/0x4c20
[  204.337901] 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
[  204.341663]  ? should_fail+0x22d/0xd01
[  204.341687]  ? mark_held_locks+0x130/0x130
[  204.346235] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  204.350017]  ? mark_held_locks+0x130/0x130
[  204.350030]  ? kasan_kmalloc+0xc7/0xe0
[  204.350045]  ? __kmalloc_node_track_caller+0x50/0x70
[  204.354333] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 51*32kB (ME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13952kB
[  204.358383]  ? zap_class+0x640/0x640
[  204.362437] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  204.366446]  ? netdev_pick_tx+0x310/0x310
[  204.395531] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  204.401023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.401036]  ? check_preemption_disabled+0x48/0x280
[  204.401057]  ? __lock_is_held+0xb5/0x140
[  204.404913] 2041 total pagecache pages
[  204.409583]  __alloc_pages_nodemask+0xa80/0xde0
[  204.409596]  ? zap_class+0x640/0x640
[  204.409614]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  204.413390] 0 pages in swap cache
[  204.418035]  ? find_held_lock+0x36/0x1c0
[  204.423126] Swap cache stats: add 0, delete 0, find 0/0
[  204.427326]  ? ____cache_alloc_node+0x1c7/0x1e0
[  204.440830] Free swap  = 0kB
[  204.444683]  ? lock_downgrade+0x900/0x900
[  204.448910] Total swap = 0kB
[  204.464050]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  204.464070]  cache_grow_begin+0xa5/0x8c0
[  204.468271] 1965979 pages RAM
[  204.472132]  ? do_raw_spin_unlock+0xa7/0x330
[  204.472151]  fallback_alloc+0x204/0x2e0
[  204.472169]  ____cache_alloc_node+0x1c7/0x1e0
[  204.477237] 0 pages HighMem/MovableOnly
[  204.492390]  kmem_cache_alloc+0x1f8/0x730
[  204.492416]  skb_clone+0x1bb/0x500
[  204.496097] 342854 pages reserved
[  204.504913]  ? skb_split+0x11e0/0x11e0
[  204.504926]  ? check_preemption_disabled+0x48/0x280
[  204.504944]  ? __this_cpu_preempt_check+0x1c/0x20
[  204.509076] 0 pages cma reserved
[  204.517611]  ? __bpf_redirect+0x54b/0xb20
[  204.523135] Unreclaimable slab info:
[  204.528116]  bpf_clone_redirect+0xb9/0x490
[  204.532163] Name                      Used          Total
[  204.536017]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  204.540699] pid_2                      1KB         20KB
[  204.544346]  ? __sched_text_start+0x8/0x8
[  204.549387] TIPC                      10KB         14KB
[  204.552779]  ? retint_kernel+0x2d/0x2d
[  204.556811] SCTPv6                    14KB         18KB
[  204.562152]  ? trace_hardirqs_on_caller+0xc0/0x310
[  204.562168]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  204.562186]  ? find_held_lock+0x36/0x1c0
[  204.566830] DCCPv6                    17KB         21KB
[  204.569829]  ? lock_acquire+0x1ed/0x520
[  204.569842]  ? bpf_test_run+0x3cb/0x780
[  204.569857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.573978] DCCP                      16KB         20KB
[  204.576972]  ? check_preemption_disabled+0x48/0x280
[  204.582513] bridge_fdb_cache          11KB         15KB
[  204.586519]  ? kasan_check_read+0x11/0x20
[  204.589617] fib6_nodes                76KB         84KB
[  204.593979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  204.597918] ip6_dst_cache            121KB        270KB
[  204.602389]  ? rcu_softirq_qs+0x20/0x20
[  204.602405]  ? preempt_schedule+0x4d/0x60
[  204.602415]  ? ___preempt_schedule+0x16/0x18
[  204.602435]  ? bpf_test_run+0x25d/0x780
[  204.606376] RAWv6                     68KB         71KB
[  204.610506]  ? netlink_diag_dump+0x2a0/0x2a0
[  204.610524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.614032] UDPv6                      3KB          3KB
[  204.617462]  ? bpf_test_init.isra.10+0x70/0x100
[  204.621355] TCPv6                     23KB         29KB
[  204.626329]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  204.631163] nf_conntrack               3KB         11KB
[  204.634485]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  204.638614] sd_ext_cdb                 0KB          3KB
[  204.642283]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  204.642297]  ? fput+0x130/0x1a0
[  204.642311]  ? __bpf_prog_get+0x9b/0x290
[  204.646521] scsi_sense_cache        1056KB       1060KB
[  204.652034]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  204.652045]  ? bpf_prog_test_run+0x130/0x1a0
[  204.652061]  ? __x64_sys_bpf+0x3d8/0x520
[  204.657050] virtio_scsi_cmd           16KB         16KB
[  204.662386]  ? bpf_prog_get+0x20/0x20
[  204.662420]  ? do_syscall_64+0x1b9/0x820
[  204.666539] sgpool-128                 8KB          8KB
[  204.671878]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  204.671897]  ? syscall_return_slowpath+0x5e0/0x5e0
[  204.671912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.675770] sgpool-64                  4KB          6KB
[  204.681109]  ? trace_hardirqs_on_caller+0x310/0x310
[  204.681123]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  204.681139]  ? prepare_exit_to_usermode+0x291/0x3b0
[  204.686040] sgpool-32                  2KB          7KB
[  204.690775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.690797]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  204.694828] sgpool-16                  1KB          3KB
[  204.700175] Mem-Info:
[  204.700207] active_anon:51753 inactive_anon:1840 isolated_anon:0
[  204.700207]  active_file:12 inactive_file:13 isolated_file:0
[  204.700207]  unevictable:0 dirty:0 writeback:0 unstable:0
[  204.700207]  slab_reclaimable:9024 slab_unreclaimable:1453729
[  204.700207]  mapped:49154 shmem:2016 pagetables:676 bounce:0
[  204.700207]  free:13759 free_pcp:153 free_cma:0
[  204.704146] sgpool-8                   0KB          3KB
[  204.708112] Node 0 active_anon:207012kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  204.713635] mqueue_inode_cache         10KB         14KB
[  204.718935] 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
[  204.718968] lowmem_reserve[]: 0 2818 6321 6321
[  204.723968] bio_post_read_ctx         14KB         15KB
[  204.729291] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  204.729324] lowmem_reserve[]: 0 0 3503 3503
[  204.733576] bio-2                     14KB         15KB
[  204.738883] Node 0 Normal free:13952kB min:37364kB low:46704kB high:56044kB active_anon:190628kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2704kB bounce:0kB free_pcp:364kB local_pcp:192kB free_cma:0kB
[  204.738917] lowmem_reserve[]: 0 0 0 0
[  204.744174] jfs_mp                     7KB          7KB
[  204.749500] 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
[  204.753493] nfs_commit_data            3KB          7KB
[  204.757594] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  204.762008] nfs_write_data            32KB         32KB
[  204.765924] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 51*32kB (ME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13952kB
[  204.771307] ext4_system_zone           0KB          3KB
[  204.775653] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  204.781377] bio-1                      1KB          3KB
[  204.786670] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  204.786677] 2041 total pagecache pages
[  204.791345] pid_namespace              2KB          7KB
[  204.796678] 0 pages in swap cache
[  204.801435] rpc_buffers               17KB         19KB
[  204.806738] Swap cache stats: add 0, delete 0, find 0/0
[  204.806745] Free swap  = 0kB
[  204.811584] rpc_tasks                  2KB          3KB
[  204.816905] Total swap = 0kB
[  204.816912] 1965979 pages RAM
[  204.822445] UNIX                       9KB         14KB
[  204.825668] 0 pages HighMem/MovableOnly
[  204.825675] 342854 pages reserved
[  204.829742] ip4-frags                180KB        185KB
[  204.835052] 0 pages cma reserved
[  204.835133] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  204.839927] tcp_bind_bucket            1KB          4KB
[  204.844291] syz-executor3 cpuset=syz3 mems_allowed=0
[  204.848328] inet_peer_cache            0KB          4KB
[  204.853669] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  204.853677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  204.853682] Call Trace:
[  204.853701]  dump_stack+0x244/0x39d
[  204.857505] ip_fib_trie               11KB         15KB
[  204.861541]  ? dump_stack_print_info.cold.1+0x20/0x20
[  204.861567]  warn_alloc.cold.116+0xb7/0x1bd
[  204.866902] ip_fib_alias              51KB         59KB
[  204.872240]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  204.872258]  ? lock_downgrade+0x900/0x900
[  204.872277]  ? trace_hardirqs_off+0xb8/0x310
[  204.877171] ip_dst_cache               2KB         12KB
[  204.881994]  ? trace_hardirqs_off+0xb8/0x310
[  204.882018]  __alloc_pages_slowpath+0x26e8/0x2e10
[  204.887371] RAW                       40KB         50KB
[  204.892377]  ? warn_alloc+0x120/0x120
[  204.892395]  ? warn_alloc+0x120/0x120
[  204.897383] UDP                       16KB         26KB
[  204.902378]  ? dev_hard_start_xmit+0x42c/0xc80
[  204.902407]  ? warn_alloc+0x120/0x120
[  204.902422]  ? print_usage_bug+0xc0/0xc0
[  204.907776] TCP                        8KB         11KB
[  204.912605]  ? print_usage_bug+0xc0/0xc0
[  204.912619]  ? find_held_lock+0x36/0x1c0
[  204.912638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.917968] hugetlbfs_inode_cache          2KB          7KB
[  204.923306]  ? should_fail+0x22d/0xd01
[  204.923319]  ? __local_bh_enable_ip+0x160/0x260
[  204.923333]  ? __local_bh_enable_ip+0x160/0x260
[  204.925731] fscache_cookie_jar          1KB          7KB
[  204.958760]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  204.958774]  ? __lock_acquire+0x62f/0x4c20
[  204.958791]  ? should_fail+0x22d/0xd01
[  204.964143] eventpoll_pwq              3KB         19KB
[  204.991875]  ? mark_held_locks+0x130/0x130
[  204.991891]  ? mark_held_locks+0x130/0x130
[  204.997310] eventpoll_epi              6KB         19KB
[  205.023564]  ? __lock_is_held+0xb5/0x140
[  205.023585]  ? zap_class+0x640/0x640
[  205.023599]  ? update_curr+0x344/0xbd0
[  205.028150] inotify_inode_mark          5KB         19KB
[  205.033489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.033502]  ? check_preemption_disabled+0x48/0x280
[  205.033523]  ? __lock_is_held+0xb5/0x140
[  205.061362] request_queue            164KB        164KB
[  205.065639]  __alloc_pages_nodemask+0xa80/0xde0
[  205.070991] blkdev_ioc                 3KB         23KB
[  205.100003]  ? zap_class+0x640/0x640
[  205.100021]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  205.100043]  ? find_held_lock+0x36/0x1c0
[  205.103807] bio-0                     55KB         60KB
[  205.109153]  ? ____cache_alloc_node+0x1c7/0x1e0
[  205.109172]  ? lock_downgrade+0x900/0x900
[  205.122706] biovec-max              1295KB       1295KB
[  205.128033]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  205.143705] bio_integrity_payload          1KB          3KB
[  205.149007]  cache_grow_begin+0xa5/0x8c0
[  205.149023]  ? do_raw_spin_unlock+0xa7/0x330
[  205.164185] khugepaged_mm_slot          0KB          7KB
[  205.169510]  fallback_alloc+0x204/0x2e0
[  205.169530]  ____cache_alloc_node+0x1c7/0x1e0
[  205.178343] dmaengine-unmap-256          2KB          6KB
[  205.183678]  kmem_cache_alloc+0x1f8/0x730
[  205.183703]  skb_clone+0x1bb/0x500
[  205.192269] dmaengine-unmap-128          1KB          3KB
[  205.196115]  ? skb_split+0x11e0/0x11e0
[  205.201468] dmaengine-unmap-16          0KB          4KB
[  205.204882]  ? kasan_check_read+0x11/0x20
[  205.210233] dmaengine-unmap-2          0KB          3KB
[  205.215553]  ? __schedule+0x168a/0x21d0
[  205.218538] skbuff_fclone_cache         11KB         48KB
[  205.223877]  ? trace_hardirqs_off_caller+0x310/0x310
[  205.223890]  ? lock_pin_lock+0x350/0x350
[  205.223911]  bpf_clone_redirect+0xb9/0x490
[  205.226899] skbuff_head_cache     446565KB     446565KB
[  205.229976]  ? __schedule+0x168a/0x21d0
[  205.229993]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  205.230008]  ? __sched_text_start+0x8/0x8
[  205.235343] configfs_dir_cache          0KB          4KB
[  205.239286]  ? retint_kernel+0x2d/0x2d
[  205.239300]  ? trace_hardirqs_on_caller+0xc0/0x310
[  205.239316]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  205.242743] file_lock_cache            0KB          3KB
[  205.248085]  ? find_held_lock+0x36/0x1c0
[  205.251445] file_lock_ctx              0KB          3KB
[  205.261893]  ? lock_acquire+0x1ed/0x520
[  205.261906]  ? bpf_test_run+0x3cb/0x780
[  205.261921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.267251] fsnotify_mark_connector          3KB         19KB
[  205.272331]  ? check_preemption_disabled+0x48/0x280
[  205.272349]  ? kasan_check_read+0x11/0x20
[  205.272363]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  205.277699] net_namespace             51KB         51KB
[  205.284949]  ? rcu_softirq_qs+0x20/0x20
[  205.284964]  ? preempt_schedule+0x4d/0x60
[  205.284979]  ? ___preempt_schedule+0x16/0x18
[  205.294331] shmem_inode_cache       4481KB       4566KB
[  205.296874]  ? bpf_test_run+0x25d/0x780
[  205.300492] task_delay_info           41KB        175KB
[  205.305825]  ? netlink_diag_dump+0x2a0/0x2a0
[  205.311003] taskstats                  0KB          3KB
[  205.315280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  205.320635] proc_dir_entry           579KB        585KB
[  205.325435]  ? bpf_test_init.isra.10+0x70/0x100
[  205.329572] pde_opener                 0KB          3KB
[  205.333939]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  205.339294] sigqueue                   0KB         15KB
[  205.343660]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  205.348467] kernfs_node_cache      11537KB      11556KB
[  205.353804]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  205.353827]  ? fput+0x130/0x1a0
[  205.353841]  ? __bpf_prog_get+0x9b/0x290
[  205.357616] mnt_cache                 77KB         92KB
[  205.361396]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  205.361407]  ? bpf_prog_test_run+0x130/0x1a0
[  205.361423]  ? __x64_sys_bpf+0x3d8/0x520
[  205.366756] filp                     249KB        607KB
[  205.371309]  ? bpf_prog_get+0x20/0x20
[  205.371341]  ? do_syscall_64+0x1b9/0x820
[  205.375114] names_cache               68KB         68KB
[  205.379149]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  205.379165]  ? syscall_return_slowpath+0x5e0/0x5e0
[  205.379179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  205.384613] iint_cache                74KB         75KB
[  205.388649]  ? trace_hardirqs_on_caller+0x310/0x310
[  205.392702] key_jar                    3KB          7KB
[  205.398195]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  205.403897] uts_namespace              2KB          7KB
[  205.407745]  ? prepare_exit_to_usermode+0x291/0x3b0
[  205.412405] nsproxy                    1KB          7KB
[  205.417036]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  205.422473] vm_area_struct           348KB        727KB
[  205.427537]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  205.431763] mm_struct                 50KB        136KB
[  205.435707] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  205.440968] fs_cache                   8KB         44KB
[  205.445150] syz-executor3 cpuset=syz3 mems_allowed=0
[  205.449395] files_cache               30KB         71KB
[  205.454713] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  205.458740] signal_cache             290KB        690KB
[  205.462420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  205.462425] Call Trace:
[  205.462459]  dump_stack+0x244/0x39d
[  205.462477]  ? dump_stack_print_info.cold.1+0x20/0x20
[  205.466359] sighand_cache            462KB        492KB
[  205.471792]  warn_alloc.cold.116+0xb7/0x1bd
[  205.471819]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  205.477329] task_struct             1317KB       1317KB
[  205.482324]  ? lock_downgrade+0x900/0x900
[  205.482343]  ? trace_hardirqs_off+0xb8/0x310
[  205.482362]  ? trace_hardirqs_off+0xb8/0x310
[  205.486389] cred_jar                  58KB        404KB
[  205.491731]  __alloc_pages_slowpath+0x26e8/0x2e10
[  205.491768]  ? warn_alloc+0x120/0x120
[  205.496393] anon_vma_chain           110KB        358KB
[  205.501737]  ? warn_alloc+0x120/0x120
[  205.501751]  ? dev_hard_start_xmit+0x42c/0xc80
[  205.501765]  ? warn_alloc+0x120/0x120
[  205.505448] anon_vma                 121KB        400KB
[  205.510441]  ? print_usage_bug+0xc0/0xc0
[  205.510456]  ? print_usage_bug+0xc0/0xc0
[  205.510471]  ? find_held_lock+0x36/0x1c0
[  205.514504] pid                       26KB        152KB
[  205.519849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  205.519862]  ? should_fail+0x22d/0xd01
[  205.519876]  ? __local_bh_enable_ip+0x160/0x260
[  205.524515] Acpi-Operand             106KB        158KB
[  205.528635]  ? __local_bh_enable_ip+0x160/0x260
[  205.533995] Acpi-Namespace            19KB         23KB
[  205.539483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  205.539497]  ? __lock_acquire+0x62f/0x4c20
[  205.539514]  ? should_fail+0x22d/0xd01
[  205.545195] numa_policy                0KB          3KB
[  205.549253]  ? mark_held_locks+0x130/0x130
[  205.549271]  ? mark_held_locks+0x130/0x130
[  205.553653] debug_objects_cache        805KB        807KB
[  205.559074]  ? __lock_is_held+0xb5/0x140
[  205.559094]  ? zap_class+0x640/0x640
[  205.559108]  ? update_curr+0x344/0xbd0
[  205.563055] trace_event_file         260KB        262KB
[  205.567528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.573056] ftrace_event_field        376KB        378KB
[  205.577162]  ? check_preemption_disabled+0x48/0x280
[  205.580691] pool_workqueue            86KB         92KB
[  205.586192]  ? __lock_is_held+0xb5/0x140
[  205.590073] task_group                 5KB          7KB
[  205.595478]  __alloc_pages_nodemask+0xa80/0xde0
[  205.599616] page->ptl                 70KB        343KB
[  205.604936]  ? zap_class+0x640/0x640
[  205.608947] kmalloc-2M              2050KB       2050KB
[  205.614415]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  205.619507] kmalloc-512k            2056KB       2056KB
[  205.623532]  ? find_held_lock+0x36/0x1c0
[  205.627730] kmalloc-256k            1290KB       1290KB
[  205.633079]  ? ____cache_alloc_node+0x1c7/0x1e0
[  205.633097]  ? lock_downgrade+0x900/0x900
[  205.637039] kmalloc-128k             650KB        650KB
[  205.642141]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  205.642161]  cache_grow_begin+0xa5/0x8c0
[  205.646279] kmalloc-64k              330KB        330KB
[  205.651706]  ? do_raw_spin_unlock+0xa7/0x330
[  205.651726]  fallback_alloc+0x204/0x2e0
[  205.651744]  ____cache_alloc_node+0x1c7/0x1e0
[  205.655612] kmalloc-32k             1221KB       1221KB
[  205.660521]  kmem_cache_alloc+0x1f8/0x730
[  205.660577]  skb_clone+0x1bb/0x500
[  205.665303] kmalloc-16k              396KB        396KB
[  205.670638]  ? skb_split+0x11e0/0x11e0
[  205.670652]  ? kasan_check_read+0x11/0x20
[  205.670666]  ? __schedule+0x168a/0x21d0
[  205.674695] kmalloc-8k              1831KB       1831KB
[  205.680034]  ? trace_hardirqs_off_caller+0x310/0x310
[  205.680048]  ? lock_pin_lock+0x350/0x350
[  205.680068]  bpf_clone_redirect+0xb9/0x490
[  205.684010] kmalloc-4k              6077KB       6077KB
[  205.687969]  ? __schedule+0x168a/0x21d0
[  205.693496] kmalloc-2k           2934393KB    2934393KB
[  205.699344]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  205.699357]  ? __sched_text_start+0x8/0x8
[  205.699371]  ? retint_kernel+0x2d/0x2d
[  205.704356] kmalloc-1k           1555407KB    1555407KB
[  205.708481]  ? trace_hardirqs_on_caller+0xc0/0x310
[  205.713745] kmalloc-512             1711KB       3150KB
[  205.719065]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  205.719081]  ? find_held_lock+0x36/0x1c0
[  205.719101]  ? lock_acquire+0x1ed/0x520
[  205.723041] kmalloc-256             2496KB       3007KB
[  205.727164]  ? bpf_test_run+0x3cb/0x780
[  205.731565] kmalloc-128              510KB        913KB
[  205.736884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.740850] kmalloc-96               588KB       1656KB
[  205.746173]  ? check_preemption_disabled+0x48/0x280
[  205.750586] kmalloc-64              1387KB       1788KB
[  205.755913]  ? kasan_check_read+0x11/0x20
[  205.761460] kmalloc-32               966KB       1649KB
[  205.766795]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  205.771451] kmalloc-192              677KB        984KB
[  205.776778]  ? rcu_softirq_qs+0x20/0x20
[  205.781527] kmem_cache               249KB        255KB
[  205.786851]  ? preempt_schedule+0x4d/0x60
[  205.791687] Out of memory: Kill process 5954 (syz-fuzzer) score 30 or sacrifice child
[  205.797003]  ? ___preempt_schedule+0x16/0x18
[  205.803132] Killed process 6025 (syz-executor3) total-vm:70212kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB
[  205.805796]  ? bpf_test_run+0x25d/0x780
[  205.843771] cron invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[  205.846951]  ? netlink_diag_dump+0x2a0/0x2a0
[  205.852422] cron cpuset=/ mems_allowed=0
[  205.857306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  206.481592]  ? bpf_test_init.isra.10+0x70/0x100
[  206.486260]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  206.491020]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  206.495851]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  206.501380]  ? fput+0x130/0x1a0
[  206.504651]  ? __bpf_prog_get+0x9b/0x290
[  206.508704]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  206.513561]  ? bpf_prog_test_run+0x130/0x1a0
[  206.517959]  ? __x64_sys_bpf+0x3d8/0x520
[  206.522008]  ? bpf_prog_get+0x20/0x20
[  206.525823]  ? do_syscall_64+0x1b9/0x820
[  206.529874]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  206.535226]  ? syscall_return_slowpath+0x5e0/0x5e0
[  206.540144]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  206.544979]  ? trace_hardirqs_on_caller+0x310/0x310
[  206.549983]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  206.554989]  ? prepare_exit_to_usermode+0x291/0x3b0
[  206.560085]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  206.564925]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  206.570294] CPU: 1 PID: 5881 Comm: cron Not tainted 4.20.0-rc1+ #141
[  206.570298] warn_alloc_show_mem: 1 callbacks suppressed
[  206.570304] Mem-Info:
[  206.576787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  206.582139] active_anon:51728 inactive_anon:1840 isolated_anon:0
[  206.582139]  active_file:12 inactive_file:13 isolated_file:0
[  206.582139]  unevictable:0 dirty:0 writeback:0 unstable:0
[  206.582139]  slab_reclaimable:9024 slab_unreclaimable:1453729
[  206.582139]  mapped:49154 shmem:2016 pagetables:639 bounce:0
[  206.582139]  free:13759 free_pcp:247 free_cma:0
[  206.584500] Call Trace:
[  206.593870] Node 0 active_anon:206912kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  206.626882]  dump_stack+0x244/0x39d
[  206.629430] 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
[  206.657167]  ? dump_stack_print_info.cold.1+0x20/0x20
[  206.660754] lowmem_reserve[]: 0 2818 6321 6321
[  206.686853]  ? mark_held_locks+0x130/0x130
[  206.692005] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  206.696570]  ? mark_held_locks+0x130/0x130
[  206.700766] lowmem_reserve[]: 0 0 3503 3503
[  206.728597]  dump_header+0x27b/0xf72
[  206.732882] Node 0 Normal free:13952kB min:37364kB low:46704kB high:56044kB active_anon:190528kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2556kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  206.737191]  ? pagefault_out_of_memory+0x197/0x197
[  206.740862] lowmem_reserve[]: 0 0 0 0
[  206.769921]  ? __lock_acquire+0x62f/0x4c20
[  206.774818] 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
[  206.778603]  ? percpu_ref_get_many+0x240/0x240
[  206.782800] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  206.796307]  ? print_usage_bug+0xc0/0xc0
[  206.800851] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  206.816004]  ? zap_class+0x640/0x640
[  206.820035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  206.835264]  ? print_usage_bug+0xc0/0xc0
[  206.838946] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  206.847754]  ? print_usage_bug+0xc0/0xc0
[  206.851778] 2041 total pagecache pages
[  206.860349]  ? zap_class+0x640/0x640
[  206.864381] 0 pages in swap cache
[  206.868243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.871918] Swap cache stats: add 0, delete 0, find 0/0
[  206.871925] Free swap  = 0kB
[  206.875356]  ? find_held_lock+0x36/0x1c0
[  206.880853] Total swap = 0kB
[  206.880860] 1965979 pages RAM
[  206.886212]  ? mark_held_locks+0xc7/0x130
[  206.889183] 0 pages HighMem/MovableOnly
[  206.889190] 342854 pages reserved
[  206.893237]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  206.896222] 0 pages cma reserved
[  206.899307]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  206.911142] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  206.915900]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  206.919231] syz-executor3 cpuset=syz3 mems_allowed=0
[  206.924312]  ? trace_hardirqs_on+0xbd/0x310
[  206.948699]  ? kasan_check_read+0x11/0x20
[  206.952848]  ? ___ratelimit+0x3b4/0x672
[  206.956811]  ? trace_hardirqs_off_caller+0x310/0x310
[  206.961900]  ? trace_hardirqs_on+0x310/0x310
[  206.966296]  ? lock_downgrade+0x900/0x900
[  206.970435]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  206.975523]  ? ___ratelimit+0x3b9/0x672
[  206.979488]  ? idr_get_free+0xf70/0xf70
[  206.983446]  ? find_held_lock+0x36/0x1c0
[  206.987520]  oom_kill_process.cold.27+0x10/0x903
[  206.992266]  ? zap_class+0x640/0x640
[  206.995967]  ? check_preemption_disabled+0x48/0x280
[  207.000973]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  207.005887]  ? kasan_check_read+0x11/0x20
[  207.010017]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  207.015281]  ? oom_evaluate_task+0x540/0x540
[  207.019685]  ? find_held_lock+0x36/0x1c0
[  207.023742]  ? out_of_memory+0x974/0x1430
[  207.027878]  ? lock_downgrade+0x900/0x900
[  207.032012]  ? check_preemption_disabled+0x48/0x280
[  207.037016]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  207.041930]  ? kasan_check_read+0x11/0x20
[  207.046061]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  207.051323]  ? rcu_softirq_qs+0x20/0x20
[  207.055288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.060810]  ? oom_evaluate_task+0x302/0x540
[  207.065207]  out_of_memory+0xa84/0x1430
[  207.069175]  ? oom_killer_disable+0x3a0/0x3a0
[  207.073921]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  207.078845]  ? __ww_mutex_check_waiters+0x160/0x160
[  207.083856]  __alloc_pages_slowpath+0x2354/0x2e10
[  207.088710]  ? warn_alloc+0x120/0x120
[  207.092494]  ? mark_held_locks+0x130/0x130
[  207.096719]  ? find_get_entry+0xaae/0x1120
[  207.100948]  ? filemap_map_pages+0x1a20/0x1a20
[  207.105522]  ? zap_class+0x640/0x640
[  207.109226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.114753]  ? check_preemption_disabled+0x48/0x280
[  207.119757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.125280]  ? should_fail+0x22d/0xd01
[  207.129161]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  207.134732]  ? zap_class+0x640/0x640
[  207.138452]  ? __lock_is_held+0xb5/0x140
[  207.142506]  ? mark_held_locks+0x130/0x130
[  207.146731]  ? lock_release+0xa00/0xa00
[  207.150695]  ? perf_trace_sched_process_exec+0x860/0x860
[  207.156130]  ? xa_load+0x2ba/0x460
[  207.159685]  ? lock_downgrade+0x900/0x900
[  207.163841]  ? __might_sleep+0x95/0x190
[  207.167809]  __alloc_pages_nodemask+0xa80/0xde0
[  207.172470]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  207.177470]  ? __page_cache_alloc+0x191/0x5c0
[  207.181950]  ? xa_load+0x2e1/0x460
[  207.185478]  ? xa_clear_mark+0x40/0x40
[  207.189367]  ? zap_class+0x640/0x640
[  207.193078]  ? zap_class+0x640/0x640
[  207.196778]  ? zap_class+0x640/0x640
[  207.200480]  ? __do_page_cache_readahead+0x663/0x810
[  207.205574]  ? find_held_lock+0x36/0x1c0
[  207.209624]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  207.215150]  alloc_pages_current+0x173/0x350
[  207.219550]  __page_cache_alloc+0x38c/0x5c0
[  207.223855]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  207.228771]  ? kasan_check_read+0x11/0x20
[  207.232906]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  207.238184]  ? generic_perform_write+0x6a0/0x6a0
[  207.242933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.248457]  ? check_preemption_disabled+0x48/0x280
[  207.253465]  filemap_fault+0x1595/0x25f0
[  207.257522]  ? __lock_page_or_retry+0xa00/0xa00
[  207.262183]  ? mark_held_locks+0x130/0x130
[  207.266414]  ? filemap_map_pages+0xd6b/0x1a20
[  207.270898]  ? lock_downgrade+0x900/0x900
[  207.275035]  ? check_preemption_disabled+0x48/0x280
[  207.280040]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  207.284955]  ? kasan_check_read+0x11/0x20
[  207.289091]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  207.294355]  ? rcu_softirq_qs+0x20/0x20
[  207.298331]  ? filemap_map_pages+0xd92/0x1a20
[  207.302829]  ? find_get_entries_tag+0x1400/0x1400
[  207.307690]  ? lock_acquire+0x1ed/0x520
[  207.311666]  ? ext4_filemap_fault+0x7a/0xad
[  207.315986]  ? lock_release+0xa00/0xa00
[  207.319960]  ? perf_trace_sched_process_exec+0x860/0x860
[  207.325405]  ? mark_held_locks+0x130/0x130
[  207.329667]  ? print_usage_bug+0xc0/0xc0
[  207.333717]  ? print_usage_bug+0xc0/0xc0
[  207.337773]  ? down_read+0x8d/0x120
[  207.341383]  ? ext4_filemap_fault+0x7a/0xad
[  207.345693]  ? __down_interruptible+0x700/0x700
[  207.350357]  ext4_filemap_fault+0x82/0xad
[  207.354490]  __do_fault+0x100/0x6b0
[  207.358104]  ? pmd_devmap_trans_unstable+0x220/0x220
[  207.363195]  ? mark_held_locks+0x130/0x130
[  207.367418]  ? mark_held_locks+0x130/0x130
[  207.371651]  ? hrtimer_forward+0x2a0/0x2a0
[  207.375885]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  207.380801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.386331]  __handle_mm_fault+0x3ea0/0x5be0
[  207.390736]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  207.395562]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  207.400653]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  207.405744]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  207.410313]  ? trace_hardirqs_on+0xbd/0x310
[  207.414619]  ? kasan_check_read+0x11/0x20
[  207.418764]  ? __free_object+0x173/0x340
[  207.422819]  ? zap_class+0x640/0x640
[  207.426516]  ? zap_class+0x640/0x640
[  207.430215]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  207.435305]  ? find_held_lock+0x36/0x1c0
[  207.439361]  ? handle_mm_fault+0x42a/0xc70
[  207.443587]  ? lock_downgrade+0x900/0x900
[  207.447754]  ? check_preemption_disabled+0x48/0x280
[  207.452785]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  207.457699]  ? kasan_check_read+0x11/0x20
[  207.461834]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  207.467096]  ? rcu_softirq_qs+0x20/0x20
[  207.471054]  ? trace_hardirqs_off_caller+0x310/0x310
[  207.476143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.481671]  ? check_preemption_disabled+0x48/0x280
[  207.486680]  handle_mm_fault+0x54f/0xc70
[  207.490731]  ? __handle_mm_fault+0x5be0/0x5be0
[  207.495309]  ? find_vma+0x34/0x190
[  207.498841]  __do_page_fault+0x5e8/0xe60
[  207.502886]  ? trace_hardirqs_off+0xb8/0x310
[  207.507288]  do_page_fault+0xf2/0x7e0
[  207.511080]  ? vmalloc_sync_all+0x30/0x30
[  207.515234]  ? error_entry+0x70/0xd0
[  207.518935]  ? trace_hardirqs_off_caller+0xbb/0x310
[  207.523937]  ? trace_hardirqs_on_caller+0xc0/0x310
[  207.528939]  ? syscall_return_slowpath+0x5e0/0x5e0
[  207.533857]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  207.538708]  ? trace_hardirqs_on_caller+0x310/0x310
[  207.543708]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  207.549150]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  207.554240]  ? prepare_exit_to_usermode+0x291/0x3b0
[  207.559239]  ? page_fault+0x8/0x30
[  207.562769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  207.567601]  ? page_fault+0x8/0x30
[  207.571144]  page_fault+0x1e/0x30
[  207.574583] RIP: 0033:0x7fa0540f3e40
[  207.578296] Code: Bad RIP value.
[  207.581646] RSP: 002b:00007fff71365118 EFLAGS: 00010246
[  207.586996] RAX: 0000000000000000 RBX: 00007fff71365240 RCX: 00007fa0540f3e40
[  207.594248] RDX: 0000000000000000 RSI: 00007fff713652c0 RDI: 00007fff713652c0
[  207.601505] RBP: 00007fff713651c0 R08: 00007fff71365120 R09: 0000000000000000
[  207.608763] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  207.616018] R13: 00007fff71365420 R14: 0000000000000000 R15: 0000000000000000
[  207.623308] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  207.623615] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  207.630573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  207.630580] Call Trace:
[  207.640876] ksoftirqd/1 cpuset=/ mems_allowed=0
[  207.650213]  dump_stack+0x244/0x39d
[  207.661019]  ? dump_stack_print_info.cold.1+0x20/0x20
[  207.666209]  warn_alloc.cold.116+0xb7/0x1bd
[  207.670516]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  207.675349]  ? lock_downgrade+0x900/0x900
[  207.679489]  ? trace_hardirqs_off+0xb8/0x310
[  207.683889]  ? trace_hardirqs_off+0xb8/0x310
[  207.688288]  __alloc_pages_slowpath+0x26e8/0x2e10
[  207.693142]  ? warn_alloc+0x120/0x120
[  207.696932]  ? warn_alloc+0x120/0x120
[  207.700724]  ? dev_hard_start_xmit+0x42c/0xc80
[  207.705294]  ? warn_alloc+0x120/0x120
[  207.709082]  ? print_usage_bug+0xc0/0xc0
[  207.713134]  ? print_usage_bug+0xc0/0xc0
[  207.717188]  ? find_held_lock+0x36/0x1c0
[  207.721247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.726770]  ? should_fail+0x22d/0xd01
[  207.730643]  ? __local_bh_enable_ip+0x160/0x260
[  207.735299]  ? __local_bh_enable_ip+0x160/0x260
[  207.739957]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  207.745046]  ? __lock_acquire+0x62f/0x4c20
[  207.749272]  ? should_fail+0x22d/0xd01
[  207.753416]  ? mark_held_locks+0x130/0x130
[  207.757641]  ? mark_held_locks+0x130/0x130
[  207.761864]  ? __lock_acquire+0x62f/0x4c20
[  207.766091]  ? zap_class+0x640/0x640
[  207.769794]  ? __lock_is_held+0xb5/0x140
[  207.773846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.779370]  ? check_preemption_disabled+0x48/0x280
[  207.784569]  ? __lock_is_held+0xb5/0x140
[  207.788630]  __alloc_pages_nodemask+0xa80/0xde0
[  207.793283]  ? zap_class+0x640/0x640
[  207.796985]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  207.801999]  ? find_held_lock+0x36/0x1c0
[  207.806057]  ? ____cache_alloc_node+0x1c7/0x1e0
[  207.810716]  ? lock_downgrade+0x900/0x900
[  207.814858]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  207.820385]  cache_grow_begin+0xa5/0x8c0
[  207.824435]  ? do_raw_spin_unlock+0xa7/0x330
[  207.828837]  fallback_alloc+0x204/0x2e0
[  207.832806]  ____cache_alloc_node+0x1c7/0x1e0
[  207.837300]  kmem_cache_alloc+0x1f8/0x730
[  207.841444]  skb_clone+0x1bb/0x500
[  207.844973]  ? finish_task_switch+0x1b4/0x910
[  207.849455]  ? skb_split+0x11e0/0x11e0
[  207.853333]  ? preempt_notifier_register+0x200/0x200
[  207.858509]  ? __switch_to_asm+0x34/0x70
[  207.862554]  ? __switch_to_asm+0x34/0x70
[  207.866702]  ? __switch_to_asm+0x40/0x70
[  207.870748]  ? __switch_to_asm+0x34/0x70
[  207.874794]  ? __switch_to_asm+0x40/0x70
[  207.878842]  ? __switch_to_asm+0x34/0x70
[  207.882887]  ? __switch_to_asm+0x40/0x70
[  207.886933]  ? __switch_to_asm+0x34/0x70
[  207.890980]  ? __switch_to_asm+0x34/0x70
[  207.895026]  ? __switch_to_asm+0x40/0x70
[  207.899072]  ? __switch_to_asm+0x34/0x70
[  207.903121]  bpf_clone_redirect+0xb9/0x490
[  207.907345]  ? __schedule+0x8d7/0x21d0
[  207.911237]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  207.916243]  ? __sched_text_start+0x8/0x8
[  207.920379]  ? retint_kernel+0x2d/0x2d
[  207.924255]  ? trace_hardirqs_on_caller+0xc0/0x310
[  207.929189]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  207.933937]  ? find_held_lock+0x36/0x1c0
[  207.937991]  ? lock_acquire+0x1ed/0x520
[  207.941973]  ? bpf_test_run+0x3cb/0x780
[  207.945935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.951460]  ? check_preemption_disabled+0x48/0x280
[  207.956477]  ? kasan_check_read+0x11/0x20
[  207.960618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  207.966329]  ? rcu_softirq_qs+0x20/0x20
[  207.970293]  ? preempt_schedule+0x4d/0x60
[  207.974428]  ? ___preempt_schedule+0x16/0x18
[  207.978831]  ? bpf_test_run+0x25d/0x780
[  207.982803]  ? netlink_diag_dump+0x2a0/0x2a0
[  207.987204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.992730]  ? bpf_test_init.isra.10+0x70/0x100
[  207.997388]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  208.002139]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  208.006969]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  208.012491]  ? fput+0x130/0x1a0
[  208.015760]  ? __bpf_prog_get+0x9b/0x290
[  208.019813]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  208.024640]  ? bpf_prog_test_run+0x130/0x1a0
[  208.029036]  ? __x64_sys_bpf+0x3d8/0x520
[  208.033084]  ? bpf_prog_get+0x20/0x20
[  208.036885]  ? do_syscall_64+0x1b9/0x820
[  208.040934]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  208.046283]  ? syscall_return_slowpath+0x5e0/0x5e0
[  208.051198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  208.056027]  ? trace_hardirqs_on_caller+0x310/0x310
[  208.061032]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  208.066394]  ? prepare_exit_to_usermode+0x291/0x3b0
[  208.071472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  208.076313]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  208.081671] Mem-Info:
[  208.081680] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  208.081689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  208.084093] active_anon:51728 inactive_anon:1840 isolated_anon:0
[  208.084093]  active_file:12 inactive_file:13 isolated_file:0
[  208.084093]  unevictable:0 dirty:0 writeback:0 unstable:0
[  208.084093]  slab_reclaimable:9024 slab_unreclaimable:1453729
[  208.084093]  mapped:49154 shmem:2016 pagetables:639 bounce:0
[  208.084093]  free:13759 free_pcp:247 free_cma:0
[  208.090985] Call Trace:
[  208.100344] Node 0 active_anon:206912kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  208.133357]  dump_stack+0x244/0x39d
[  208.135904] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  208.163554]  ? dump_stack_print_info.cold.1+0x20/0x20
[  208.167139] lowmem_reserve[]: 0 2818 6321 6321
[  208.193239]  warn_alloc.cold.116+0xb7/0x1bd
[  208.198388] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  208.202955]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  208.207237] lowmem_reserve[]: 0 0 3503 3503
[  208.235066]  ? lock_downgrade+0x900/0x900
[  208.239874] Node 0 Normal free:13952kB min:37364kB low:46704kB high:56044kB active_anon:190528kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2556kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  208.244178]  ? trace_hardirqs_off+0xb8/0x310
[  208.248281] lowmem_reserve[]: 0 0 0 0
[  208.277239]  ? trace_hardirqs_off+0xb8/0x310
[  208.281610] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  208.285394]  __alloc_pages_slowpath+0x26e8/0x2e10
[  208.289760] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  208.303302]  ? warn_alloc+0x120/0x120
[  208.308097] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  208.323251]  ? warn_alloc+0x120/0x120
[  208.327024] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  208.342255]  ? warn_alloc+0x120/0x120
[  208.346023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  208.354833]  ? print_usage_bug+0xc0/0xc0
[  208.358598] 2041 total pagecache pages
[  208.367238]  ? ip6_mc_input+0x775/0xd20
[  208.371270] 0 pages in swap cache
[  208.375130]  ? print_usage_bug+0xc0/0xc0
[  208.379069] Swap cache stats: add 0, delete 0, find 0/0
[  208.382505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.386525] Free swap  = 0kB
[  208.391865]  ? should_fail+0x22d/0xd01
[  208.397364] Total swap = 0kB
[  208.400357]  ? ipv6_dev_mc_dec+0x260/0x260
[  208.400372]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  208.404226] 1965979 pages RAM
[  208.407223]  ? __lock_acquire+0x62f/0x4c20
[  208.411420] 0 pages HighMem/MovableOnly
[  208.411427] 342854 pages reserved
[  208.416507]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  208.419579] 0 pages cma reserved
[  208.423789]  ? should_fail+0x22d/0xd01
[  208.443485]  ? mark_held_locks+0x130/0x130
[  208.444350] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  208.447727]  ? mark_held_locks+0x130/0x130
[  208.458180] syz-executor3 cpuset=syz3 mems_allowed=0
[  208.462396]  ? ipv6_rcv+0x419/0x640
[  208.471080]  ? lock_downgrade+0x900/0x900
[  208.475310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.480833]  ? check_preemption_disabled+0x48/0x280
[  208.485835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.491356]  ? check_preemption_disabled+0x48/0x280
[  208.496367]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  208.501891]  ? rcu_pm_notify+0xc0/0xc0
[  208.505768]  __alloc_pages_nodemask+0xa80/0xde0
[  208.510439]  ? zap_class+0x640/0x640
[  208.514142]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  208.519154]  ? find_held_lock+0x36/0x1c0
[  208.523212]  ? ____cache_alloc_node+0x1c7/0x1e0
[  208.527874]  ? lock_downgrade+0x900/0x900
[  208.532015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.537540]  cache_grow_begin+0xa5/0x8c0
[  208.541595]  ? do_raw_spin_unlock+0xa7/0x330
[  208.545995]  fallback_alloc+0x204/0x2e0
[  208.549958]  ____cache_alloc_node+0x1c7/0x1e0
[  208.554440]  kmem_cache_alloc+0x1f8/0x730
[  208.558575]  ? __lock_is_held+0xb5/0x140
[  208.562626]  __build_skb+0xab/0x430
[  208.566241]  ? skb_try_coalesce+0x1b70/0x1b70
[  208.570726]  ? br_netif_receive_skb+0x107/0x210
[  208.575379]  ? __alloc_pages_nodemask+0xde0/0xde0
[  208.580208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.585816]  ? check_preemption_disabled+0x48/0x280
[  208.590824]  __napi_alloc_skb+0x1d6/0x310
[  208.594963]  page_to_skb.isra.45+0xee/0x8d0
[  208.599278]  ? check_preemption_disabled+0x48/0x280
[  208.604280]  ? virtnet_remove+0xf0/0xf0
[  208.608239]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  208.613155]  ? kasan_check_read+0x11/0x20
[  208.617288]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  208.622552]  ? rcu_softirq_qs+0x20/0x20
[  208.626519]  receive_mergeable+0x155d/0x3a90
[  208.630927]  ? virtnet_probe+0x2240/0x2240
[  208.635146]  ? __update_load_avg_blocked_se+0x690/0x690
[  208.640496]  ? __update_load_avg_se+0xae0/0xae0
[  208.645161]  ? update_load_avg+0x387/0x2470
[  208.649470]  ? __lock_is_held+0xb5/0x140
[  208.653521]  ? attach_entity_load_avg+0x860/0x860
[  208.658357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.663883]  ? find_match+0x492/0x10a0
[  208.667756]  ? zap_class+0x640/0x640
[  208.671461]  ? ip6_dst_ifdown+0x4e0/0x4e0
[  208.675594]  ? rb_erase+0x3710/0x3710
[  208.679381]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  208.684565]  ? print_usage_bug+0xc0/0xc0
[  208.688619]  ? zap_class+0x640/0x640
[  208.692326]  ? find_held_lock+0x36/0x1c0
[  208.696379]  ? cpuacct_charge+0x265/0x440
[  208.700515]  ? print_usage_bug+0xc0/0xc0
[  208.704567]  ? zap_class+0x640/0x640
[  208.708278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.713799]  ? check_preemption_disabled+0x48/0x280
[  208.718811]  ? __lock_is_held+0xb5/0x140
[  208.722959]  ? rcu_read_lock_sched_held+0x14f/0x180
[  208.727961]  ? update_cfs_rq_load_avg.part.68+0x253/0x2e0
[  208.733487]  ? tg_unthrottle_up+0x220/0x220
[  208.737803]  ? update_load_avg+0x13b8/0x2470
[  208.742197]  ? print_usage_bug+0xc0/0xc0
[  208.746248]  ? attach_entity_load_avg+0x860/0x860
[  208.751172]  ? zap_class+0x640/0x640
[  208.754869]  ? zap_class+0x640/0x640
[  208.758584]  ? __lock_acquire+0x62f/0x4c20
[  208.762809]  ? zap_class+0x640/0x640
[  208.766521]  ? mark_held_locks+0x130/0x130
[  208.770753]  ? cpuacct_charge+0x265/0x440
[  208.774892]  ? find_held_lock+0x36/0x1c0
[  208.778945]  ? update_curr+0x4cf/0xbd0
[  208.782924]  ? lock_downgrade+0x900/0x900
[  208.787061]  ? check_preemption_disabled+0x48/0x280
[  208.792067]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  208.796983]  receive_buf+0xb3c/0x3270
[  208.800770]  ? print_usage_bug+0xc0/0xc0
[  208.804938]  ? receive_mergeable+0x3a90/0x3a90
[  208.809503]  ? __account_cfs_rq_runtime+0x790/0x790
[  208.814531]  ? find_held_lock+0x36/0x1c0
[  208.818590]  ? find_held_lock+0x36/0x1c0
[  208.822642]  ? try_to_wake_up+0x11c/0x1490
[  208.826865]  ? lock_downgrade+0x900/0x900
[  208.831007]  ? trace_hardirqs_off+0xb8/0x310
[  208.835399]  ? kasan_check_read+0x11/0x20
[  208.839534]  ? do_raw_spin_unlock+0xa7/0x330
[  208.843927]  ? trace_hardirqs_on+0x310/0x310
[  208.848319]  ? select_task_rq_fair+0x63a/0x30b0
[  208.852973]  ? lock_pin_lock+0x350/0x350
[  208.857021]  ? kthread_data+0x58/0xc0
[  208.860814]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  208.865904]  ? try_to_wake_up+0x11c/0x1490
[  208.870123]  ? zap_class+0x640/0x640
[  208.873828]  ? migrate_swap_stop+0x8a0/0x8a0
[  208.878220]  ? task_numa_migrate+0x28d0/0x28d0
[  208.882787]  ? print_usage_bug+0xc0/0xc0
[  208.886834]  ? zap_class+0x640/0x640
[  208.890543]  ? zap_class+0x640/0x640
[  208.894244]  ? print_usage_bug+0xc0/0xc0
[  208.898294]  ? debug_object_activate+0x402/0x600
[  208.903043]  ? lock_downgrade+0x900/0x900
[  208.907178]  ? zap_class+0x640/0x640
[  208.910879]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  208.916402]  ? __radix_tree_lookup+0x3a7/0x500
[  208.920983]  ? zap_class+0x640/0x640
[  208.924688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.930209]  ? vring_use_dma_api+0xa5/0xc0
[  208.934431]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  208.939954]  ? vring_unmap_one+0x5a/0x410
[  208.944090]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  208.949612]  ? detach_buf+0x34b/0x5d0
[  208.953407]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  208.958943]  ? virtqueue_get_buf_ctx+0x3d5/0x820
[  208.963683]  ? lock_downgrade+0x900/0x900
[  208.967837]  ? virtqueue_detach_unused_buf+0x220/0x220
[  208.973102]  ? __lock_acquire+0x62f/0x4c20
[  208.977319]  ? do_raw_spin_unlock+0xa7/0x330
[  208.981711]  ? do_raw_spin_trylock+0x270/0x270
[  208.986279]  virtnet_poll+0x421/0x105f
[  208.990159]  ? receive_buf+0x3270/0x3270
[  208.994207]  ? flush_rcu_work+0x90/0x90
[  208.998167]  ? estimation_timer+0x5d0/0x890
[  209.002493]  ? net_rx_action+0x4b5/0x19b0
[  209.006643]  ? net_rx_action+0x4b5/0x19b0
[  209.010780]  ? lockdep_hardirqs_on+0x296/0x5b0
[  209.015463]  ? call_timer_fn+0x2c0/0x920
[  209.019519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.025050]  ? check_preemption_disabled+0x48/0x280
[  209.030058]  net_rx_action+0x7fa/0x19b0
[  209.034116]  ? napi_complete_done+0x7a0/0x7a0
[  209.038605]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  209.043613]  ? find_held_lock+0x36/0x1c0
[  209.047665]  ? __run_timers+0xa20/0xc70
[  209.051630]  ? _raw_spin_unlock_irq+0x27/0x80
[  209.056109]  ? _raw_spin_unlock_irq+0x27/0x80
[  209.060591]  ? __queue_work+0x1440/0x1440
[  209.064729]  ? lockdep_hardirqs_on+0x296/0x5b0
[  209.069316]  ? trace_hardirqs_on+0xbd/0x310
[  209.073628]  ? kasan_check_read+0x11/0x20
[  209.077763]  ? __run_timers+0xa20/0xc70
[  209.081731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.087254]  ? _raw_spin_unlock_irq+0x60/0x80
[  209.091735]  ? __run_timers+0xa4a/0xc70
[  209.095703]  ? timer_fixup_init+0x70/0x70
[  209.099839]  ? _raw_spin_unlock_irq+0x27/0x80
[  209.104403]  ? _raw_spin_unlock_irq+0x27/0x80
[  209.108960]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  209.113528]  ? trace_hardirqs_on+0xbd/0x310
[  209.117835]  ? kasan_check_read+0x11/0x20
[  209.121971]  ? finish_task_switch+0x1f4/0x910
[  209.126453]  ? trace_hardirqs_off_caller+0x310/0x310
[  209.131540]  ? compat_start_thread+0x80/0x80
[  209.136578]  ? pvclock_read_flags+0x160/0x160
[  209.141065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.146591]  ? check_preemption_disabled+0x48/0x280
[  209.151599]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  209.157141]  ? rcu_pm_notify+0xc0/0xc0
[  209.161133]  __do_softirq+0x308/0xb7e
[  209.165017]  ? trace_hardirqs_on_caller+0xc0/0x310
[  209.169933]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  209.175023]  ? trace_hardirqs_on+0x310/0x310
[  209.179432]  ? schedule+0x108/0x460
[  209.183055]  ? trace_hardirqs_off+0xb8/0x310
[  209.187452]  ? smpboot_thread_fn+0x68b/0xa00
[  209.191845]  ? trace_hardirqs_on+0x310/0x310
[  209.196239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.201765]  ? check_preemption_disabled+0x48/0x280
[  209.206768]  ? takeover_tasklets+0xa90/0xa90
[  209.211162]  run_ksoftirqd+0x5e/0x100
[  209.214952]  smpboot_thread_fn+0x68b/0xa00
[  209.219270]  ? sort_range+0x30/0x30
[  209.222885]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  209.227996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.233528]  ? __kthread_parkme+0xfb/0x1a0
[  209.237751]  ? sort_range+0x30/0x30
[  209.241385]  kthread+0x35a/0x440
[  209.244740]  ? kthread_stop+0x900/0x900
[  209.248706]  ret_from_fork+0x3a/0x50
[  209.252456] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  209.253116] Mem-Info:
[  209.259726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  209.259731] Call Trace:
[  209.259750]  dump_stack+0x244/0x39d
[  209.259769]  ? dump_stack_print_info.cold.1+0x20/0x20
[  209.262174] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  209.262174]  active_file:12 inactive_file:13 isolated_file:0
[  209.262174]  unevictable:0 dirty:0 writeback:0 unstable:0
[  209.262174]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  209.262174]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  209.262174]  free:13767 free_pcp:247 free_cma:0
[  209.271584]  warn_alloc.cold.116+0xb7/0x1bd
[  209.271600]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  209.274176] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  209.277770]  ? lock_downgrade+0x900/0x900
[  209.282951] 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
[  209.316248]  ? trace_hardirqs_off+0xb8/0x310
[  209.316269]  ? trace_hardirqs_off+0xb8/0x310
[  209.320574] lowmem_reserve[]: 0 2818 6321 6321
[  209.325388]  __alloc_pages_slowpath+0x26e8/0x2e10
[  209.353043] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  209.357185]  ? warn_alloc+0x120/0x120
[  209.383334] lowmem_reserve[]: 0 0 3503 3503
[  209.387707]  ? warn_alloc+0x120/0x120
[  209.392099] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:548kB free_cma:0kB
[  209.396641]  ? dev_hard_start_xmit+0x42c/0xc80
[  209.401469] lowmem_reserve[]: 0 0 0 0
[  209.429104]  ? warn_alloc+0x120/0x120
[  209.429120]  ? print_usage_bug+0xc0/0xc0
[  209.429136]  ? print_usage_bug+0xc0/0xc0
[  209.432904] 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
[  209.437209]  ? find_held_lock+0x36/0x1c0
[  209.440999] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  209.469934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.469947]  ? should_fail+0x22d/0xd01
[  209.469960]  ? __local_bh_enable_ip+0x160/0x260
[  209.474512] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  209.478294]  ? __local_bh_enable_ip+0x160/0x260
[  209.482090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  209.486105]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  209.490157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  209.503634]  ? __lock_acquire+0x62f/0x4c20
[  209.503650]  ? should_fail+0x22d/0xd01
[  209.503672]  ? mark_held_locks+0x130/0x130
[  209.507692] 2041 total pagecache pages
[  209.522845]  ? mark_held_locks+0x130/0x130
[  209.522860]  ? __lock_acquire+0x62f/0x4c20
[  209.522877]  ? zap_class+0x640/0x640
[  209.528387] 0 pages in swap cache
[  209.532257]  ? __lock_is_held+0xb5/0x140
[  209.532297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.536910] Swap cache stats: add 0, delete 0, find 0/0
[  209.552146]  ? check_preemption_disabled+0x48/0x280
[  209.552170]  ? __lock_is_held+0xb5/0x140
[  209.556807] Free swap  = 0kB
[  209.565624]  __alloc_pages_nodemask+0xa80/0xde0
[  209.565636]  ? zap_class+0x640/0x640
[  209.565654]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  209.570740] Total swap = 0kB
[  209.579288]  ? find_held_lock+0x36/0x1c0
[  209.579309]  ? ____cache_alloc_node+0x1c7/0x1e0
[  209.583517] 1965979 pages RAM
[  209.587396]  ? lock_downgrade+0x900/0x900
[  209.591623] 0 pages HighMem/MovableOnly
[  209.595489]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  209.599705] 342854 pages reserved
[  209.603904]  cache_grow_begin+0xa5/0x8c0
[  209.607583] 0 pages cma reserved
[  209.611022]  ? do_raw_spin_unlock+0xa7/0x330
[  209.611040]  fallback_alloc+0x204/0x2e0
[  209.611059]  ____cache_alloc_node+0x1c7/0x1e0
[  209.615083] Unreclaimable slab info:
[  209.620600]  kmem_cache_alloc+0x1f8/0x730
[  209.620623]  skb_clone+0x1bb/0x500
[  209.625951] Name                      Used          Total
[  209.630946]  ? finish_task_switch+0x2f4/0x910
[  209.630960]  ? skb_split+0x11e0/0x11e0
[  209.630976]  ? preempt_notifier_register+0x200/0x200
[  209.635107] pid_2                      1KB         20KB
[  209.638075]  ? __switch_to_asm+0x34/0x70
[  209.638087]  ? __switch_to_asm+0x34/0x70
[  209.642782] TIPC                      10KB         14KB
[  209.646408]  ? __switch_to_asm+0x40/0x70
[  209.646420]  ? __switch_to_asm+0x34/0x70
[  209.651432] SCTPv6                    14KB         18KB
[  209.654392]  ? __switch_to_asm+0x40/0x70
[  209.654422]  ? __switch_to_asm+0x34/0x70
[  209.658462] DCCPv6                    17KB         21KB
[  209.663103]  ? __switch_to_asm+0x40/0x70
[  209.663114]  ? __switch_to_asm+0x34/0x70
[  209.663123]  ? __switch_to_asm+0x34/0x70
[  209.663136]  ? __switch_to_asm+0x40/0x70
[  209.666213] DCCP                      16KB         20KB
[  209.670328]  ? __switch_to_asm+0x34/0x70
[  209.670346]  bpf_clone_redirect+0xb9/0x490
[  209.670360]  ? __schedule+0x8d7/0x21d0
[  209.674317] bridge_fdb_cache          11KB         15KB
[  209.679820]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  209.679833]  ? __sched_text_start+0x8/0x8
[  209.679847]  ? retint_kernel+0x2d/0x2d
[  209.683272] fib6_nodes                76KB         84KB
[  209.687305]  ? trace_hardirqs_on_caller+0xc0/0x310
[  209.690660] ip6_dst_cache            120KB        270KB
[  209.695027]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  209.698995] RAWv6                     68KB         71KB
[  209.703452]  ? find_held_lock+0x36/0x1c0
[  209.707131] UDPv6                      3KB          3KB
[  209.711262]  ? lock_acquire+0x1ed/0x520
[  209.711274]  ? bpf_test_run+0x3cb/0x780
[  209.711290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.714888] TCPv6                     23KB         29KB
[  209.720402]  ? check_preemption_disabled+0x48/0x280
[  209.720422]  ? kasan_check_read+0x11/0x20
[  209.720436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  209.724916] nf_conntrack               3KB         11KB
[  209.728777]  ? rcu_softirq_qs+0x20/0x20
[  209.733891] sd_ext_cdb                 0KB          3KB
[  209.739189]  ? preempt_schedule+0x4d/0x60
[  209.739203]  ? ___preempt_schedule+0x16/0x18
[  209.739222]  ? bpf_test_run+0x25d/0x780
[  209.743249] scsi_sense_cache        1056KB       1060KB
[  209.747295]  ? netlink_diag_dump+0x2a0/0x2a0
[  209.752648] virtio_scsi_cmd           16KB         16KB
[  209.756666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.760722] sgpool-128                 8KB          8KB
[  209.766037]  ? bpf_test_init.isra.10+0x70/0x100
[  209.770086] sgpool-64                  4KB          6KB
[  209.774202]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  209.779552] sgpool-32                  2KB          7KB
[  209.783576]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  209.787597] sgpool-16                  1KB          3KB
[  209.791631]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  209.791645]  ? fput+0x130/0x1a0
[  209.791659]  ? __bpf_prog_get+0x9b/0x290
[  209.795691] sgpool-8                   0KB          3KB
[  209.801029]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  209.801040]  ? bpf_prog_test_run+0x130/0x1a0
[  209.801056]  ? __x64_sys_bpf+0x3d8/0x520
[  209.805088] mqueue_inode_cache         10KB         14KB
[  209.809292]  ? bpf_prog_get+0x20/0x20
[  209.809325]  ? do_syscall_64+0x1b9/0x820
[  209.813182] bio_post_read_ctx         14KB         15KB
[  209.818514]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  209.818530]  ? syscall_return_slowpath+0x5e0/0x5e0
[  209.823562] bio-2                     14KB         15KB
[  209.827638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.827653]  ? trace_hardirqs_on_caller+0x310/0x310
[  209.831532] jfs_mp                     7KB          7KB
[  209.836852]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  209.841782] nfs_commit_data            3KB          7KB
[  209.847088]  ? prepare_exit_to_usermode+0x291/0x3b0
[  209.851842] nfs_write_data            32KB         32KB
[  209.857164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.861232] ext4_system_zone           0KB          3KB
[  209.866539]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  209.870510] bio-1                      1KB          3KB
[  209.874453] warn_alloc_show_mem: 1 callbacks suppressed
[  209.874457] Mem-Info:
[  209.879974] pid_namespace              2KB          7KB
[  209.885304] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  209.885304]  active_file:12 inactive_file:13 isolated_file:0
[  209.885304]  unevictable:0 dirty:0 writeback:0 unstable:0
[  209.885304]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  209.885304]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  209.885304]  free:13767 free_pcp:247 free_cma:0
[  209.890299] rpc_buffers               17KB         19KB
[  209.894413] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  209.899668] rpc_tasks                  2KB          3KB
[  209.904982] 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
[  209.908962] UNIX                       9KB         14KB
[  209.914351] lowmem_reserve[]: 0 2818 6321 6321
[  209.918480] ip4-frags                180KB        185KB
[  209.922855] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  209.922889] lowmem_reserve[]: 0 0 3503 3503
[  209.926848] tcp_bind_bucket            1KB          4KB
[  209.932171] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  209.932205] lowmem_reserve[]: 0 0 0 0
[  209.936591] inet_peer_cache            0KB          4KB
[  209.941917] 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
[  209.947467] ip_fib_trie               11KB         15KB
[  209.952791] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  209.957467] ip_fib_alias              51KB         59KB
[  209.962794] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  209.967869] ip_dst_cache               2KB         12KB
[  209.973292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  209.973301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  209.973305] 2041 total pagecache pages
[  209.973317] 0 pages in swap cache
[  209.973324] Swap cache stats: add 0, delete 0, find 0/0
[  209.973328] Free swap  = 0kB
[  209.973334] Total swap = 0kB
[  209.978170] RAW                       40KB         50KB
[  209.983497] 1965979 pages RAM
[  209.983501] 0 pages HighMem/MovableOnly
[  209.983506] 342854 pages reserved
[  209.983510] 0 pages cma reserved
[  209.983766] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  209.989063] UDP                       16KB         26KB
[  209.992296] syz-executor3 cpuset=syz3 mems_allowed=0
[  209.996332] TCP                        8KB         11KB
[  210.001671] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  210.001678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  210.001683] Call Trace:
[  210.001692]  <IRQ>
[  210.006518] hugetlbfs_inode_cache          2KB          7KB
[  210.010912]  dump_stack+0x244/0x39d
[  210.010932]  ? dump_stack_print_info.cold.1+0x20/0x20
[  210.014967] fscache_cookie_jar          1KB          7KB
[  210.020401]  warn_alloc.cold.116+0xb7/0x1bd
[  210.020417]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  210.024214] eventpoll_pwq              3KB         19KB
[  210.028255]  ? lock_downgrade+0x900/0x900
[  210.033607] eventpoll_epi              6KB         19KB
[  210.038930]  ? trace_hardirqs_off+0xb8/0x310
[  210.038946]  ? trace_hardirqs_off+0xb8/0x310
[  210.038964]  __alloc_pages_slowpath+0x26e8/0x2e10
[  210.043863] inotify_inode_mark          5KB         19KB
[  210.049223]  ? warn_alloc+0x120/0x120
[  210.054037] request_queue            164KB        164KB
[  210.059029]  ? warn_alloc+0x120/0x120
[  210.059044]  ? warn_alloc+0x120/0x120
[  210.059058]  ? print_usage_bug+0xc0/0xc0
[  210.064395] blkdev_ioc                 3KB         23KB
[  210.069385]  ? print_usage_bug+0xc0/0xc0
[  210.069397]  ? find_held_lock+0x36/0x1c0
[  210.069424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.074753] bio-0                     55KB         60KB
[  210.079744]  ? should_fail+0x22d/0xd01
[  210.079759]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.079773]  ? __lock_acquire+0x62f/0x4c20
[  210.085106] biovec-max              1295KB       1295KB
[  210.089922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.089933]  ? __lock_acquire+0x62f/0x4c20
[  210.089941]  ? should_fail+0x22d/0xd01
[  210.089961]  ? mark_held_locks+0x130/0x130
[  210.095376] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  210.100632]  ? mark_held_locks+0x130/0x130
[  210.105958] ksoftirqd/1 cpuset=/ mems_allowed=0
[  210.111303]  ? try_to_wake_up+0x11c/0x1490
[  210.636864]  ? lock_downgrade+0x900/0x900
[  210.640999]  ? zap_class+0x640/0x640
[  210.644709]  ? print_usage_bug+0xc0/0xc0
[  210.648766]  ? trace_hardirqs_off+0xb8/0x310
[  210.653161]  ? kasan_check_read+0x11/0x20
[  210.657296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.662818]  ? check_preemption_disabled+0x48/0x280
[  210.667824]  ? __lock_is_held+0xb5/0x140
[  210.671877]  __alloc_pages_nodemask+0xa80/0xde0
[  210.676533]  ? zap_class+0x640/0x640
[  210.680234]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  210.685245]  ? find_held_lock+0x36/0x1c0
[  210.689297]  ? ____cache_alloc_node+0x1c7/0x1e0
[  210.693953]  ? lock_downgrade+0x900/0x900
[  210.698094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.703640]  cache_grow_begin+0xa5/0x8c0
[  210.707690]  ? do_raw_spin_unlock+0xa7/0x330
[  210.712086]  fallback_alloc+0x204/0x2e0
[  210.716051]  ____cache_alloc_node+0x1c7/0x1e0
[  210.720538]  kmem_cache_alloc_node+0xe3/0x730
[  210.725017]  ? ipv6_get_ifaddr+0x42e/0x620
[  210.729243]  __alloc_skb+0x119/0x770
[  210.732940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  210.738206]  ? netdev_alloc_frag+0x1f0/0x1f0
[  210.742599]  ? lock_downgrade+0x900/0x900
[  210.746737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.752256]  ? refcount_sub_and_test_checked+0x203/0x310
[  210.757694]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  210.763130]  ? addrconf_rs_timer+0x690/0x690
[  210.767535]  ndisc_alloc_skb+0x144/0x340
[  210.771587]  ndisc_send_rs+0x331/0x6e0
[  210.775467]  addrconf_rs_timer+0x314/0x690
[  210.779689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.783921]  call_timer_fn+0x272/0x920
[  210.787904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.792125]  ? process_timeout+0x40/0x40
[  210.796194]  ? __run_timers+0x7da/0xc70
[  210.800155]  ? _raw_spin_unlock_irq+0x27/0x80
[  210.804635]  ? _raw_spin_unlock_irq+0x27/0x80
[  210.809116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.813339]  ? lockdep_hardirqs_on+0x296/0x5b0
[  210.817913]  ? trace_hardirqs_on+0xbd/0x310
[  210.822217]  ? kasan_check_read+0x11/0x20
[  210.826347]  ? __run_timers+0x7da/0xc70
[  210.830317]  ? trace_hardirqs_off_caller+0x310/0x310
[  210.835417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.839635]  __run_timers+0x7e5/0xc70
[  210.843427]  ? timer_fixup_init+0x70/0x70
[  210.847562]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  210.852652]  ? zap_class+0x640/0x640
[  210.856377]  ? enqueue_hrtimer+0x1a5/0x560
[  210.860600]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  210.865779]  ? find_held_lock+0x36/0x1c0
[  210.869830]  ? zap_class+0x640/0x640
[  210.873532]  ? pvclock_read_flags+0x160/0x160
[  210.878017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.883543]  ? check_preemption_disabled+0x48/0x280
[  210.888554]  ? __lock_is_held+0xb5/0x140
[  210.892599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.898120]  ? check_preemption_disabled+0x48/0x280
[  210.903126]  run_timer_softirq+0x52/0xb0
[  210.907174]  ? rcu_read_lock_sched_held+0x14f/0x180
[  210.912177]  __do_softirq+0x308/0xb7e
[  210.915964]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  210.920442]  ? lock_downgrade+0x900/0x900
[  210.924577]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  210.929670]  ? pvclock_read_flags+0x160/0x160
[  210.934149]  ? lapic_next_event+0x5a/0x90
[  210.938285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.943813]  ? kvm_clock_read+0x18/0x30
[  210.947773]  ? kvm_sched_clock_read+0x9/0x20
[  210.952169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.957791]  ? check_preemption_disabled+0x48/0x280
[  210.962797]  irq_exit+0x17f/0x1c0
[  210.966239]  smp_apic_timer_interrupt+0x1cb/0x760
[  210.971072]  ? smp_reschedule_interrupt+0x109/0x650
[  210.976078]  ? smp_call_function_single_interrupt+0x650/0x650
[  210.981945]  ? interrupt_entry+0xb5/0xc0
[  210.985996]  ? trace_hardirqs_off_caller+0xbb/0x310
[  210.990999]  ? trace_hardirqs_off_caller+0xbb/0x310
[  210.995999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  211.000827]  ? trace_hardirqs_on_caller+0x310/0x310
[  211.005830]  ? trace_hardirqs_on_caller+0x310/0x310
[  211.010833]  ? task_prio+0x50/0x50
[  211.014366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.019890]  ? check_preemption_disabled+0x48/0x280
[  211.024896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  211.029729]  apic_timer_interrupt+0xf/0x20
[  211.033942]  </IRQ>
[  211.036167] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  211.041081] 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
[  211.060073] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  211.067765] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  211.075021] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  211.082292] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  211.089549] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  211.096805] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  211.104084]  skb_clone+0x1bb/0x500
[  211.107706]  ? finish_task_switch+0x2f4/0x910
[  211.112186]  ? skb_split+0x11e0/0x11e0
[  211.116062]  ? preempt_notifier_register+0x200/0x200
[  211.121146]  ? __switch_to_asm+0x34/0x70
[  211.125191]  ? __switch_to_asm+0x34/0x70
[  211.129233]  ? __switch_to_asm+0x40/0x70
[  211.133547]  ? __switch_to_asm+0x34/0x70
[  211.137608]  ? __switch_to_asm+0x40/0x70
[  211.141655]  ? __switch_to_asm+0x34/0x70
[  211.145699]  ? __switch_to_asm+0x40/0x70
[  211.149742]  ? __switch_to_asm+0x34/0x70
[  211.153787]  ? __switch_to_asm+0x34/0x70
[  211.157829]  ? __switch_to_asm+0x40/0x70
[  211.161876]  ? __switch_to_asm+0x34/0x70
[  211.165925]  bpf_clone_redirect+0xb9/0x490
[  211.170148]  ? __schedule+0x8d7/0x21d0
[  211.174027]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  211.179032]  ? __sched_text_start+0x8/0x8
[  211.183171]  ? retint_kernel+0x2d/0x2d
[  211.187062]  ? trace_hardirqs_on_caller+0xc0/0x310
[  211.191979]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  211.196843]  ? find_held_lock+0x36/0x1c0
[  211.200899]  ? lock_acquire+0x1ed/0x520
[  211.204862]  ? bpf_test_run+0x3cb/0x780
[  211.208828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.214355]  ? check_preemption_disabled+0x48/0x280
[  211.219367]  ? kasan_check_read+0x11/0x20
[  211.223499]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  211.228875]  ? rcu_softirq_qs+0x20/0x20
[  211.232843]  ? preempt_schedule+0x4d/0x60
[  211.236982]  ? ___preempt_schedule+0x16/0x18
[  211.241587]  ? bpf_test_run+0x25d/0x780
[  211.245556]  ? netlink_diag_dump+0x2a0/0x2a0
[  211.249972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.255498]  ? bpf_test_init.isra.10+0x70/0x100
[  211.260275]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  211.265201]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  211.270028]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  211.275562]  ? fput+0x130/0x1a0
[  211.278829]  ? __bpf_prog_get+0x9b/0x290
[  211.282894]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  211.287719]  ? bpf_prog_test_run+0x130/0x1a0
[  211.292115]  ? __x64_sys_bpf+0x3d8/0x520
[  211.296159]  ? bpf_prog_get+0x20/0x20
[  211.299959]  ? do_syscall_64+0x1b9/0x820
[  211.304003]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  211.309354]  ? syscall_return_slowpath+0x5e0/0x5e0
[  211.314268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  211.319095]  ? trace_hardirqs_on_caller+0x310/0x310
[  211.324095]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  211.329102]  ? prepare_exit_to_usermode+0x291/0x3b0
[  211.334109]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  211.338943]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  211.344304] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  211.344369] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  211.351220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  211.351224] Call Trace:
[  211.351238]  dump_stack+0x244/0x39d
[  211.351254]  ? dump_stack_print_info.cold.1+0x20/0x20
[  211.357760] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  211.367053]  warn_alloc.cold.116+0xb7/0x1bd
[  211.369599] syz-executor3 cpuset=syz3 mems_allowed=0
[  211.373217]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  211.403025]  ? lock_downgrade+0x900/0x900
[  211.407166]  ? trace_hardirqs_off+0xb8/0x310
[  211.411657]  ? trace_hardirqs_off+0xb8/0x310
[  211.416059]  __alloc_pages_slowpath+0x26e8/0x2e10
[  211.420911]  ? warn_alloc+0x120/0x120
[  211.424703]  ? warn_alloc+0x120/0x120
[  211.428489]  ? zap_class+0x640/0x640
[  211.432193]  ? warn_alloc+0x120/0x120
[  211.435979]  ? print_usage_bug+0xc0/0xc0
[  211.440023]  ? print_usage_bug+0xc0/0xc0
[  211.444067]  ? task_numa_migrate+0x28d0/0x28d0
[  211.448635]  ? print_usage_bug+0xc0/0xc0
[  211.452685]  ? __lock_is_held+0xb5/0x140
[  211.456822]  ? receive_buf+0xb3c/0x3270
[  211.460788]  ? __x2apic_send_IPI_dest+0x5c/0x80
[  211.465443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.471052]  ? should_fail+0x22d/0xd01
[  211.474927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  211.480017]  ? __lock_acquire+0x62f/0x4c20
[  211.484239]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  211.489332]  ? __lock_acquire+0x62f/0x4c20
[  211.493552]  ? should_fail+0x22d/0xd01
[  211.497448]  ? mark_held_locks+0x130/0x130
[  211.501674]  ? mark_held_locks+0x130/0x130
[  211.505902]  ? zap_class+0x640/0x640
[  211.509604]  ? print_usage_bug+0xc0/0xc0
[  211.513650]  ? mark_held_locks+0x130/0x130
[  211.517870]  ? lock_downgrade+0x900/0x900
[  211.522007]  ? lock_downgrade+0x900/0x900
[  211.526140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.531670]  ? check_preemption_disabled+0x48/0x280
[  211.536682]  ? __lock_is_held+0xb5/0x140
[  211.540735]  __alloc_pages_nodemask+0xa80/0xde0
[  211.545396]  ? zap_class+0x640/0x640
[  211.549101]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  211.554113]  ? find_held_lock+0x36/0x1c0
[  211.558165]  ? ____cache_alloc_node+0x1c7/0x1e0
[  211.562824]  ? lock_downgrade+0x900/0x900
[  211.567049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.572577]  cache_grow_begin+0xa5/0x8c0
[  211.576625]  ? do_raw_spin_unlock+0xa7/0x330
[  211.581026]  fallback_alloc+0x204/0x2e0
[  211.584989]  ____cache_alloc_node+0x1c7/0x1e0
[  211.589479]  kmem_cache_alloc_node+0xe3/0x730
[  211.593976]  ? ipv6_get_ifaddr+0x42e/0x620
[  211.598205]  __alloc_skb+0x119/0x770
[  211.601917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  211.607183]  ? netdev_alloc_frag+0x1f0/0x1f0
[  211.611578]  ? lock_downgrade+0x900/0x900
[  211.615734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.621261]  ? refcount_sub_and_test_checked+0x203/0x310
[  211.626704]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  211.632140]  ? addrconf_rs_timer+0x690/0x690
[  211.636542]  ndisc_alloc_skb+0x144/0x340
[  211.640595]  ndisc_send_rs+0x331/0x6e0
[  211.644475]  addrconf_rs_timer+0x314/0x690
[  211.648786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  211.653015]  call_timer_fn+0x272/0x920
[  211.656885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  211.661107]  ? process_timeout+0x40/0x40
[  211.665158]  ? __run_timers+0x7da/0xc70
[  211.669116]  ? _raw_spin_unlock_irq+0x27/0x80
[  211.673617]  ? _raw_spin_unlock_irq+0x27/0x80
[  211.678100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  211.682320]  ? lockdep_hardirqs_on+0x296/0x5b0
[  211.686888]  ? trace_hardirqs_on+0xbd/0x310
[  211.691196]  ? kasan_check_read+0x11/0x20
[  211.695353]  ? __run_timers+0x7da/0xc70
[  211.699335]  ? trace_hardirqs_off_caller+0x310/0x310
[  211.704434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  211.708654]  __run_timers+0x7e5/0xc70
[  211.712449]  ? timer_fixup_init+0x70/0x70
[  211.716585]  ? _raw_spin_unlock_irq+0x27/0x80
[  211.721063]  ? _raw_spin_unlock_irq+0x27/0x80
[  211.725546]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  211.730114]  ? trace_hardirqs_on+0xbd/0x310
[  211.734432]  ? kasan_check_read+0x11/0x20
[  211.738567]  ? finish_task_switch+0x1f4/0x910
[  211.743064]  ? trace_hardirqs_off_caller+0x310/0x310
[  211.748153]  ? compat_start_thread+0x80/0x80
[  211.752565]  ? pvclock_read_flags+0x160/0x160
[  211.757060]  ? __switch_to_asm+0x34/0x70
[  211.761111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.766638]  ? check_preemption_disabled+0x48/0x280
[  211.771645]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  211.777169]  ? rcu_pm_notify+0xc0/0xc0
[  211.781042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.786562]  ? check_preemption_disabled+0x48/0x280
[  211.791565]  run_timer_softirq+0x52/0xb0
[  211.795620]  ? rcu_read_lock_sched_held+0x14f/0x180
[  211.800623]  __do_softirq+0x308/0xb7e
[  211.804413]  ? trace_hardirqs_on_caller+0xc0/0x310
[  211.809330]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  211.814417]  ? trace_hardirqs_on+0x310/0x310
[  211.818816]  ? schedule+0x108/0x460
[  211.822436]  ? trace_hardirqs_off+0xb8/0x310
[  211.826828]  ? smpboot_thread_fn+0x68b/0xa00
[  211.831220]  ? trace_hardirqs_on+0x310/0x310
[  211.835615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.841136]  ? check_preemption_disabled+0x48/0x280
[  211.846138]  ? takeover_tasklets+0xa90/0xa90
[  211.850537]  run_ksoftirqd+0x5e/0x100
[  211.854326]  smpboot_thread_fn+0x68b/0xa00
[  211.858553]  ? sort_range+0x30/0x30
[  211.862163]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  211.867251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.872780]  ? __kthread_parkme+0xfb/0x1a0
[  211.877003]  ? sort_range+0x30/0x30
[  211.880612]  kthread+0x35a/0x440
[  211.883967]  ? kthread_stop+0x900/0x900
[  211.887930]  ret_from_fork+0x3a/0x50
[  211.891762] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  211.891840] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  211.899038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  211.899042] Call Trace:
[  211.899047]  <IRQ>
[  211.899060]  dump_stack+0x244/0x39d
[  211.899075]  ? dump_stack_print_info.cold.1+0x20/0x20
[  211.905609] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  211.914902]  warn_alloc.cold.116+0xb7/0x1bd
[  211.917446] ksoftirqd/1 cpuset=/ mems_allowed=0
[  211.919576]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  211.952400]  ? lock_downgrade+0x900/0x900
[  211.956540]  ? trace_hardirqs_off+0xb8/0x310
[  211.960941]  ? trace_hardirqs_off+0xb8/0x310
[  211.965819]  __alloc_pages_slowpath+0x26e8/0x2e10
[  211.970687]  ? warn_alloc+0x120/0x120
[  211.974477]  ? print_usage_bug+0xc0/0xc0
[  211.978524]  ? warn_alloc+0x120/0x120
[  211.982317]  ? warn_alloc+0x120/0x120
[  211.986104]  ? print_usage_bug+0xc0/0xc0
[  211.990155]  ? print_usage_bug+0xc0/0xc0
[  211.994206]  ? __lock_acquire+0x62f/0x4c20
[  211.998429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.003952]  ? should_fail+0x22d/0xd01
[  212.007829]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  212.012915]  ? __lock_acquire+0x62f/0x4c20
[  212.017139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  212.022226]  ? __lock_acquire+0x62f/0x4c20
[  212.026449]  ? should_fail+0x22d/0xd01
[  212.030322]  ? find_held_lock+0x36/0x1c0
[  212.034372]  ? mark_held_locks+0x130/0x130
[  212.038597]  ? mark_held_locks+0x130/0x130
[  212.042814]  ? zap_class+0x640/0x640
[  212.046515]  ? zap_class+0x640/0x640
[  212.050217]  ? print_usage_bug+0xc0/0xc0
[  212.054275]  ? do_raw_spin_unlock+0xa7/0x330
[  212.058671]  ? zap_class+0x640/0x640
[  212.062378]  ? print_usage_bug+0xc0/0xc0
[  212.066425]  ? wq_watchdog_touch+0x9c/0xfe
[  212.070736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.076271]  ? check_preemption_disabled+0x48/0x280
[  212.081307]  ? __lock_is_held+0xb5/0x140
[  212.085361]  __alloc_pages_nodemask+0xa80/0xde0
[  212.090027]  ? zap_class+0x640/0x640
[  212.093729]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  212.098737]  ? find_held_lock+0x36/0x1c0
[  212.102789]  ? ____cache_alloc_node+0x1c7/0x1e0
[  212.107445]  ? lock_downgrade+0x900/0x900
[  212.111583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.117107]  cache_grow_begin+0xa5/0x8c0
[  212.121156]  ? do_raw_spin_unlock+0xa7/0x330
[  212.125562]  fallback_alloc+0x204/0x2e0
[  212.129530]  ____cache_alloc_node+0x1c7/0x1e0
[  212.134012]  kmem_cache_alloc_node+0xe3/0x730
[  212.138503]  ? ipv6_get_ifaddr+0x42e/0x620
[  212.142732]  __alloc_skb+0x119/0x770
[  212.146445]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  212.151712]  ? netdev_alloc_frag+0x1f0/0x1f0
[  212.156103]  ? lock_downgrade+0x900/0x900
[  212.160252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.165780]  ? refcount_sub_and_test_checked+0x203/0x310
[  212.171220]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  212.176661]  ? addrconf_rs_timer+0x690/0x690
[  212.181064]  ndisc_alloc_skb+0x144/0x340
[  212.185113]  ndisc_send_rs+0x331/0x6e0
[  212.188991]  addrconf_rs_timer+0x314/0x690
[  212.193215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  212.197449]  call_timer_fn+0x272/0x920
[  212.201336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  212.205554]  ? process_timeout+0x40/0x40
[  212.209617]  ? __run_timers+0x7da/0xc70
[  212.213575]  ? _raw_spin_unlock_irq+0x27/0x80
[  212.218055]  ? _raw_spin_unlock_irq+0x27/0x80
[  212.222534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  212.226753]  ? lockdep_hardirqs_on+0x296/0x5b0
[  212.231323]  ? trace_hardirqs_on+0xbd/0x310
[  212.235631]  ? kasan_check_read+0x11/0x20
[  212.239766]  ? __run_timers+0x7da/0xc70
[  212.243726]  ? trace_hardirqs_off_caller+0x310/0x310
[  212.248816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  212.253040]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  212.257278]  __run_timers+0x7e5/0xc70
[  212.261073]  ? timer_fixup_init+0x70/0x70
[  212.265211]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  212.270216]  ? zap_class+0x640/0x640
[  212.273924]  ? enqueue_hrtimer+0x1a5/0x560
[  212.278147]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  212.283328]  ? find_held_lock+0x36/0x1c0
[  212.287382]  ? zap_class+0x640/0x640
[  212.291082]  ? pvclock_read_flags+0x160/0x160
[  212.295563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.301087]  ? check_preemption_disabled+0x48/0x280
[  212.306097]  ? __lock_is_held+0xb5/0x140
[  212.310148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.315673]  ? check_preemption_disabled+0x48/0x280
[  212.320676]  run_timer_softirq+0x52/0xb0
[  212.324724]  ? rcu_read_lock_sched_held+0x14f/0x180
[  212.329722]  __do_softirq+0x308/0xb7e
[  212.333511]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  212.337991]  ? lock_downgrade+0x900/0x900
[  212.342128]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  212.347218]  ? pvclock_read_flags+0x160/0x160
[  212.351709]  ? lapic_next_event+0x5a/0x90
[  212.355848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.361375]  ? kvm_clock_read+0x18/0x30
[  212.365336]  ? kvm_sched_clock_read+0x9/0x20
[  212.369816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.375344]  ? check_preemption_disabled+0x48/0x280
[  212.380351]  irq_exit+0x17f/0x1c0
[  212.383792]  smp_apic_timer_interrupt+0x1cb/0x760
[  212.388618]  ? smp_reschedule_interrupt+0x109/0x650
[  212.393620]  ? smp_call_function_single_interrupt+0x650/0x650
[  212.399503]  ? interrupt_entry+0xb5/0xc0
[  212.403553]  ? trace_hardirqs_off_caller+0xbb/0x310
[  212.408554]  ? trace_hardirqs_off_caller+0xbb/0x310
[  212.413555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  212.418381]  ? trace_hardirqs_on_caller+0x310/0x310
[  212.423379]  ? trace_hardirqs_on_caller+0x310/0x310
[  212.428378]  ? task_prio+0x50/0x50
[  212.431905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.437435]  ? check_preemption_disabled+0x48/0x280
[  212.442446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  212.447302]  apic_timer_interrupt+0xf/0x20
[  212.451604]  </IRQ>
[  212.453826] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  212.458744] 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
[  212.477627] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  212.485323] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  212.492574] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  212.499828] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  212.507188] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  212.514463] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  212.521748]  skb_clone+0x1bb/0x500
[  212.525277]  ? finish_task_switch+0x2f4/0x910
[  212.529756]  ? skb_split+0x11e0/0x11e0
[  212.533631]  ? preempt_notifier_register+0x200/0x200
[  212.538755]  ? __switch_to_asm+0x34/0x70
[  212.542798]  ? __switch_to_asm+0x34/0x70
[  212.546842]  ? __switch_to_asm+0x40/0x70
[  212.550902]  ? __switch_to_asm+0x34/0x70
[  212.554948]  ? __switch_to_asm+0x40/0x70
[  212.559078]  ? __switch_to_asm+0x34/0x70
[  212.563137]  ? __switch_to_asm+0x40/0x70
[  212.567180]  ? __switch_to_asm+0x34/0x70
[  212.571236]  ? __switch_to_asm+0x34/0x70
[  212.575278]  ? __switch_to_asm+0x40/0x70
[  212.579325]  ? __switch_to_asm+0x34/0x70
[  212.583376]  bpf_clone_redirect+0xb9/0x490
[  212.587597]  ? __schedule+0x8d7/0x21d0
[  212.591473]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  212.596476]  ? __sched_text_start+0x8/0x8
[  212.600611]  ? retint_kernel+0x2d/0x2d
[  212.604490]  ? trace_hardirqs_on_caller+0xc0/0x310
[  212.609402]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  212.614149]  ? find_held_lock+0x36/0x1c0
[  212.618201]  ? lock_acquire+0x1ed/0x520
[  212.622168]  ? bpf_test_run+0x3cb/0x780
[  212.626128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.631650]  ? check_preemption_disabled+0x48/0x280
[  212.636767]  ? kasan_check_read+0x11/0x20
[  212.640900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  212.646163]  ? rcu_softirq_qs+0x20/0x20
[  212.650126]  ? preempt_schedule+0x4d/0x60
[  212.654272]  ? ___preempt_schedule+0x16/0x18
[  212.658670]  ? bpf_test_run+0x25d/0x780
[  212.662638]  ? netlink_diag_dump+0x2a0/0x2a0
[  212.667158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.672677]  ? bpf_test_init.isra.10+0x70/0x100
[  212.677338]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  212.682088]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  212.686915]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  212.692468]  ? fput+0x130/0x1a0
[  212.695731]  ? __bpf_prog_get+0x9b/0x290
[  212.699787]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  212.704618]  ? bpf_prog_test_run+0x130/0x1a0
[  212.709011]  ? __x64_sys_bpf+0x3d8/0x520
[  212.713057]  ? bpf_prog_get+0x20/0x20
[  212.716862]  ? do_syscall_64+0x1b9/0x820
[  212.720929]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  212.726288]  ? syscall_return_slowpath+0x5e0/0x5e0
[  212.731206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  212.736037]  ? trace_hardirqs_on_caller+0x310/0x310
[  212.741040]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  212.746041]  ? prepare_exit_to_usermode+0x291/0x3b0
[  212.751045]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  212.755880]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  212.761244] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  212.761247] warn_alloc_show_mem: 2 callbacks suppressed
[  212.761253] Mem-Info:
[  212.768157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  212.768163] Call Trace:
[  212.773516] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  212.773516]  active_file:12 inactive_file:13 isolated_file:0
[  212.773516]  unevictable:0 dirty:0 writeback:0 unstable:0
[  212.773516]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  212.773516]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  212.773516]  free:13767 free_pcp:247 free_cma:0
[  212.775892]  dump_stack+0x244/0x39d
[  212.785321] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  212.787888]  ? dump_stack_print_info.cold.1+0x20/0x20
[  212.820987] 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
[  212.824601]  warn_alloc.cold.116+0xb7/0x1bd
[  212.852224] lowmem_reserve[]: 0 2818 6321 6321
[  212.857402]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  212.883648] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  212.887952]  ? lock_downgrade+0x900/0x900
[  212.892598] lowmem_reserve[]: 0 0 3503 3503
[  212.897430]  ? trace_hardirqs_off+0xb8/0x310
[  212.925234] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  212.929363]  ? trace_hardirqs_off+0xb8/0x310
[  212.933642] lowmem_reserve[]: 0 0 0 0
[  212.938041]  __alloc_pages_slowpath+0x26e8/0x2e10
[  212.966993] 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
[  212.971403]  ? warn_alloc+0x120/0x120
[  212.975144] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  212.979972]  ? print_usage_bug+0xc0/0xc0
[  212.993455] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  212.997244]  ? warn_alloc+0x120/0x120
[  213.012385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  213.016437]  ? zap_class+0x640/0x640
[  213.031670] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  213.035443]  ? warn_alloc+0x120/0x120
[  213.044243] 2041 total pagecache pages
[  213.047934]  ? print_usage_bug+0xc0/0xc0
[  213.056493] 0 pages in swap cache
[  213.060268]  ? print_usage_bug+0xc0/0xc0
[  213.064117] Swap cache stats: add 0, delete 0, find 0/0
[  213.064123] Free swap  = 0kB
[  213.068161]  ? __lock_acquire+0x62f/0x4c20
[  213.071579] Total swap = 0kB
[  213.071585] 1965979 pages RAM
[  213.075627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.080949] 0 pages HighMem/MovableOnly
[  213.080955] 342854 pages reserved
[  213.083953]  ? should_fail+0x22d/0xd01
[  213.088147] 0 pages cma reserved
[  213.088216] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  213.091156]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  213.091174]  ? __lock_acquire+0x62f/0x4c20
[  213.091190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  213.094311] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  213.099864]  ? __lock_acquire+0x62f/0x4c20
[  213.103802] syz-executor3 cpuset=syz3 mems_allowed=0
[  213.107226]  ? should_fail+0x22d/0xd01
[  213.107239]  ? find_held_lock+0x36/0x1c0
[  213.163444]  ? mark_held_locks+0x130/0x130
[  213.167668]  ? mark_held_locks+0x130/0x130
[  213.171890]  ? zap_class+0x640/0x640
[  213.175593]  ? zap_class+0x640/0x640
[  213.179294]  ? print_usage_bug+0xc0/0xc0
[  213.183340]  ? do_raw_spin_unlock+0xa7/0x330
[  213.187735]  ? zap_class+0x640/0x640
[  213.191433]  ? print_usage_bug+0xc0/0xc0
[  213.195482]  ? wq_watchdog_touch+0x9c/0xfe
[  213.199706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.205235]  ? check_preemption_disabled+0x48/0x280
[  213.210245]  ? __lock_is_held+0xb5/0x140
[  213.214296]  __alloc_pages_nodemask+0xa80/0xde0
[  213.218948]  ? zap_class+0x640/0x640
[  213.222655]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  213.227667]  ? find_held_lock+0x36/0x1c0
[  213.231727]  ? ____cache_alloc_node+0x1c7/0x1e0
[  213.236383]  ? lock_downgrade+0x900/0x900
[  213.240521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.246047]  cache_grow_begin+0xa5/0x8c0
[  213.250093]  ? do_raw_spin_unlock+0xa7/0x330
[  213.254493]  fallback_alloc+0x204/0x2e0
[  213.258458]  ____cache_alloc_node+0x1c7/0x1e0
[  213.262942]  kmem_cache_alloc_node+0xe3/0x730
[  213.267426]  ? ipv6_get_ifaddr+0x42e/0x620
[  213.271657]  __alloc_skb+0x119/0x770
[  213.275358]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  213.280626]  ? netdev_alloc_frag+0x1f0/0x1f0
[  213.285022]  ? lock_downgrade+0x900/0x900
[  213.289168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.294695]  ? refcount_sub_and_test_checked+0x203/0x310
[  213.300134]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  213.305659]  ? addrconf_rs_timer+0x690/0x690
[  213.310067]  ndisc_alloc_skb+0x144/0x340
[  213.314129]  ndisc_send_rs+0x331/0x6e0
[  213.318010]  addrconf_rs_timer+0x314/0x690
[  213.322232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.326474]  call_timer_fn+0x272/0x920
[  213.330360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.334578]  ? process_timeout+0x40/0x40
[  213.338633]  ? __run_timers+0x7da/0xc70
[  213.342594]  ? _raw_spin_unlock_irq+0x27/0x80
[  213.347070]  ? _raw_spin_unlock_irq+0x27/0x80
[  213.351550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.355768]  ? lockdep_hardirqs_on+0x296/0x5b0
[  213.360425]  ? trace_hardirqs_on+0xbd/0x310
[  213.364731]  ? kasan_check_read+0x11/0x20
[  213.368954]  ? __run_timers+0x7da/0xc70
[  213.372917]  ? trace_hardirqs_off_caller+0x310/0x310
[  213.378009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.382234]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.386454]  __run_timers+0x7e5/0xc70
[  213.390249]  ? timer_fixup_init+0x70/0x70
[  213.394383]  ? _raw_spin_unlock_irq+0x27/0x80
[  213.398860]  ? _raw_spin_unlock_irq+0x27/0x80
[  213.403372]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  213.407940]  ? trace_hardirqs_on+0xbd/0x310
[  213.412248]  ? kasan_check_read+0x11/0x20
[  213.416385]  ? finish_task_switch+0x1f4/0x910
[  213.420866]  ? trace_hardirqs_off_caller+0x310/0x310
[  213.425954]  ? compat_start_thread+0x80/0x80
[  213.430376]  ? pvclock_read_flags+0x160/0x160
[  213.434859]  ? __switch_to_asm+0x34/0x70
[  213.438904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.444430]  ? check_preemption_disabled+0x48/0x280
[  213.449439]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  213.454965]  ? rcu_pm_notify+0xc0/0xc0
[  213.458836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.464361]  ? check_preemption_disabled+0x48/0x280
[  213.469365]  run_timer_softirq+0x52/0xb0
[  213.473417]  ? rcu_read_lock_sched_held+0x14f/0x180
[  213.478417]  __do_softirq+0x308/0xb7e
[  213.482207]  ? trace_hardirqs_on_caller+0xc0/0x310
[  213.487124]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  213.492219]  ? trace_hardirqs_on+0x310/0x310
[  213.496617]  ? schedule+0x108/0x460
[  213.500237]  ? trace_hardirqs_off+0xb8/0x310
[  213.504632]  ? smpboot_thread_fn+0x68b/0xa00
[  213.509027]  ? trace_hardirqs_on+0x310/0x310
[  213.513425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.518965]  ? check_preemption_disabled+0x48/0x280
[  213.523971]  ? takeover_tasklets+0xa90/0xa90
[  213.528367]  run_ksoftirqd+0x5e/0x100
[  213.532159]  smpboot_thread_fn+0x68b/0xa00
[  213.536388]  ? sort_range+0x30/0x30
[  213.540003]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  213.545093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.550620]  ? __kthread_parkme+0xfb/0x1a0
[  213.554847]  ? sort_range+0x30/0x30
[  213.558459]  kthread+0x35a/0x440
[  213.561827]  ? kthread_stop+0x900/0x900
[  213.565787]  ret_from_fork+0x3a/0x50
[  213.569500] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  213.569596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  213.576760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  213.576766] Call Trace:
[  213.583298] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  213.592578]  <IRQ>
[  213.595139] ksoftirqd/1 cpuset=/ mems_allowed=0
[  213.605451]  dump_stack+0x244/0x39d
[  213.615816]  ? dump_stack_print_info.cold.1+0x20/0x20
[  213.621001]  warn_alloc.cold.116+0xb7/0x1bd
[  213.625307]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  213.630150]  ? lock_downgrade+0x900/0x900
[  213.634291]  ? trace_hardirqs_off+0xb8/0x310
[  213.638689]  ? trace_hardirqs_off+0xb8/0x310
[  213.643089]  __alloc_pages_slowpath+0x26e8/0x2e10
[  213.647942]  ? warn_alloc+0x120/0x120
[  213.651728]  ? print_usage_bug+0xc0/0xc0
[  213.655775]  ? warn_alloc+0x120/0x120
[  213.659565]  ? warn_alloc+0x120/0x120
[  213.663350]  ? print_usage_bug+0xc0/0xc0
[  213.667398]  ? print_usage_bug+0xc0/0xc0
[  213.671446]  ? __lock_acquire+0x62f/0x4c20
[  213.675669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.681190]  ? should_fail+0x22d/0xd01
[  213.685067]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  213.690161]  ? __lock_acquire+0x62f/0x4c20
[  213.694388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  213.699477]  ? __lock_acquire+0x62f/0x4c20
[  213.703698]  ? should_fail+0x22d/0xd01
[  213.707570]  ? find_held_lock+0x36/0x1c0
[  213.711646]  ? mark_held_locks+0x130/0x130
[  213.715880]  ? mark_held_locks+0x130/0x130
[  213.720103]  ? zap_class+0x640/0x640
[  213.723827]  ? zap_class+0x640/0x640
[  213.727526]  ? print_usage_bug+0xc0/0xc0
[  213.731570]  ? do_raw_spin_unlock+0xa7/0x330
[  213.735961]  ? zap_class+0x640/0x640
[  213.739659]  ? print_usage_bug+0xc0/0xc0
[  213.743702]  ? wq_watchdog_touch+0x9c/0xfe
[  213.747925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.753449]  ? check_preemption_disabled+0x48/0x280
[  213.758458]  ? __lock_is_held+0xb5/0x140
[  213.762510]  __alloc_pages_nodemask+0xa80/0xde0
[  213.767161]  ? zap_class+0x640/0x640
[  213.770867]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  213.775879]  ? find_held_lock+0x36/0x1c0
[  213.779936]  ? ____cache_alloc_node+0x1c7/0x1e0
[  213.784590]  ? lock_downgrade+0x900/0x900
[  213.788730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.794258]  cache_grow_begin+0xa5/0x8c0
[  213.798301]  ? do_raw_spin_unlock+0xa7/0x330
[  213.802701]  fallback_alloc+0x204/0x2e0
[  213.806666]  ____cache_alloc_node+0x1c7/0x1e0
[  213.811157]  kmem_cache_alloc_node+0xe3/0x730
[  213.815640]  ? ipv6_get_ifaddr+0x42e/0x620
[  213.819869]  __alloc_skb+0x119/0x770
[  213.823569]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  213.828831]  ? netdev_alloc_frag+0x1f0/0x1f0
[  213.833222]  ? lock_downgrade+0x900/0x900
[  213.837360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.842976]  ? refcount_sub_and_test_checked+0x203/0x310
[  213.848422]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  213.853862]  ? addrconf_rs_timer+0x690/0x690
[  213.858271]  ndisc_alloc_skb+0x144/0x340
[  213.862321]  ndisc_send_rs+0x331/0x6e0
[  213.866212]  addrconf_rs_timer+0x314/0x690
[  213.870433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.874660]  call_timer_fn+0x272/0x920
[  213.878530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.882750]  ? process_timeout+0x40/0x40
[  213.886804]  ? __run_timers+0x7da/0xc70
[  213.890762]  ? _raw_spin_unlock_irq+0x27/0x80
[  213.895242]  ? _raw_spin_unlock_irq+0x27/0x80
[  213.899723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.903945]  ? lockdep_hardirqs_on+0x296/0x5b0
[  213.908516]  ? trace_hardirqs_on+0xbd/0x310
[  213.912825]  ? kasan_check_read+0x11/0x20
[  213.916960]  ? __run_timers+0x7da/0xc70
[  213.920918]  ? trace_hardirqs_off_caller+0x310/0x310
[  213.926011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.930238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.934458]  __run_timers+0x7e5/0xc70
[  213.938250]  ? timer_fixup_init+0x70/0x70
[  213.942383]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  213.947395]  ? zap_class+0x640/0x640
[  213.951107]  ? enqueue_hrtimer+0x1a5/0x560
[  213.955336]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  213.960515]  ? find_held_lock+0x36/0x1c0
[  213.965038]  ? zap_class+0x640/0x640
[  213.968744]  ? pvclock_read_flags+0x160/0x160
[  213.973228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.978752]  ? check_preemption_disabled+0x48/0x280
[  213.983761]  ? __lock_is_held+0xb5/0x140
[  213.987807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.993336]  ? check_preemption_disabled+0x48/0x280
[  213.998429]  run_timer_softirq+0x52/0xb0
[  214.002476]  ? rcu_read_lock_sched_held+0x14f/0x180
[  214.007500]  __do_softirq+0x308/0xb7e
[  214.011294]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  214.015797]  ? lock_downgrade+0x900/0x900
[  214.019932]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  214.025023]  ? pvclock_read_flags+0x160/0x160
[  214.029504]  ? lapic_next_event+0x5a/0x90
[  214.033659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.039189]  ? kvm_clock_read+0x18/0x30
[  214.043146]  ? kvm_sched_clock_read+0x9/0x20
[  214.047543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.053064]  ? check_preemption_disabled+0x48/0x280
[  214.058079]  irq_exit+0x17f/0x1c0
[  214.061525]  smp_apic_timer_interrupt+0x1cb/0x760
[  214.066354]  ? smp_reschedule_interrupt+0x109/0x650
[  214.071354]  ? smp_call_function_single_interrupt+0x650/0x650
[  214.077312]  ? interrupt_entry+0xb5/0xc0
[  214.081359]  ? trace_hardirqs_off_caller+0xbb/0x310
[  214.086376]  ? trace_hardirqs_off_caller+0xbb/0x310
[  214.091418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  214.096334]  ? trace_hardirqs_on_caller+0x310/0x310
[  214.101332]  ? trace_hardirqs_on_caller+0x310/0x310
[  214.106351]  ? task_prio+0x50/0x50
[  214.109879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.115400]  ? check_preemption_disabled+0x48/0x280
[  214.120406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  214.125357]  apic_timer_interrupt+0xf/0x20
[  214.129574]  </IRQ>
[  214.131811] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  214.136727] 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
[  214.155608] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  214.163299] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  214.170555] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  214.177808] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  214.185061] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  214.192333] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  214.199623]  skb_clone+0x1bb/0x500
[  214.203151]  ? finish_task_switch+0x2f4/0x910
[  214.207636]  ? skb_split+0x11e0/0x11e0
[  214.211509]  ? preempt_notifier_register+0x200/0x200
[  214.216596]  ? __switch_to_asm+0x34/0x70
[  214.220639]  ? __switch_to_asm+0x34/0x70
[  214.224682]  ? __switch_to_asm+0x40/0x70
[  214.228729]  ? __switch_to_asm+0x34/0x70
[  214.232773]  ? __switch_to_asm+0x40/0x70
[  214.236815]  ? __switch_to_asm+0x34/0x70
[  214.240863]  ? __switch_to_asm+0x40/0x70
[  214.244905]  ? __switch_to_asm+0x34/0x70
[  214.248948]  ? __switch_to_asm+0x34/0x70
[  214.252990]  ? __switch_to_asm+0x40/0x70
[  214.257034]  ? __switch_to_asm+0x34/0x70
[  214.261103]  bpf_clone_redirect+0xb9/0x490
[  214.265336]  ? __schedule+0x8d7/0x21d0
[  214.269223]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  214.274228]  ? __sched_text_start+0x8/0x8
[  214.278367]  ? retint_kernel+0x2d/0x2d
[  214.282238]  ? trace_hardirqs_on_caller+0xc0/0x310
[  214.287156]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  214.291902]  ? find_held_lock+0x36/0x1c0
[  214.295954]  ? lock_acquire+0x1ed/0x520
[  214.299915]  ? bpf_test_run+0x3cb/0x780
[  214.303874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.309395]  ? check_preemption_disabled+0x48/0x280
[  214.314401]  ? kasan_check_read+0x11/0x20
[  214.318536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  214.323795]  ? rcu_softirq_qs+0x20/0x20
[  214.327757]  ? preempt_schedule+0x4d/0x60
[  214.331891]  ? ___preempt_schedule+0x16/0x18
[  214.336291]  ? bpf_test_run+0x25d/0x780
[  214.340262]  ? netlink_diag_dump+0x2a0/0x2a0
[  214.344659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.350189]  ? bpf_test_init.isra.10+0x70/0x100
[  214.354848]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  214.359598]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  214.364423]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  214.369944]  ? fput+0x130/0x1a0
[  214.373210]  ? __bpf_prog_get+0x9b/0x290
[  214.377261]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  214.382095]  ? bpf_prog_test_run+0x130/0x1a0
[  214.386491]  ? __x64_sys_bpf+0x3d8/0x520
[  214.390539]  ? bpf_prog_get+0x20/0x20
[  214.394340]  ? do_syscall_64+0x1b9/0x820
[  214.398397]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  214.403744]  ? syscall_return_slowpath+0x5e0/0x5e0
[  214.408659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  214.413486]  ? trace_hardirqs_on_caller+0x310/0x310
[  214.418573]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  214.423575]  ? prepare_exit_to_usermode+0x291/0x3b0
[  214.428583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  214.433416]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  214.438775] warn_alloc_show_mem: 1 callbacks suppressed
[  214.438783] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  214.438784] Mem-Info:
[  214.438810] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  214.438810]  active_file:12 inactive_file:13 isolated_file:0
[  214.438810]  unevictable:0 dirty:0 writeback:0 unstable:0
[  214.438810]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  214.438810]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  214.438810]  free:13767 free_pcp:247 free_cma:0
[  214.444144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  214.444150] Call Trace:
[  214.451093] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  214.453481]  dump_stack+0x244/0x39d
[  214.486493] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  214.495832]  ? dump_stack_print_info.cold.1+0x20/0x20
[  214.498377] lowmem_reserve[]: 0 2818 6321 6321
[  214.526126]  warn_alloc.cold.116+0xb7/0x1bd
[  214.529713] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  214.555801]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  214.560950] lowmem_reserve[]: 0 0 3503 3503
[  214.565518]  ? lock_downgrade+0x900/0x900
[  214.569806] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  214.597632]  ? trace_hardirqs_off+0xb8/0x310
[  214.602429] lowmem_reserve[]: 0 0 0 0
[  214.606738]  ? trace_hardirqs_off+0xb8/0x310
[  214.610867] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  214.639822]  __alloc_pages_slowpath+0x26e8/0x2e10
[  214.644188] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  214.647995]  ? warn_alloc+0x120/0x120
[  214.652348] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  214.665858]  ? print_usage_bug+0xc0/0xc0
[  214.670670] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  214.685814]  ? warn_alloc+0x120/0x120
[  214.689586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  214.704904]  ? zap_class+0x640/0x640
[  214.708930] 2041 total pagecache pages
[  214.717745]  ? warn_alloc+0x120/0x120
[  214.721542] 0 pages in swap cache
[  214.730095]  ? print_usage_bug+0xc0/0xc0
[  214.733770] Swap cache stats: add 0, delete 0, find 0/0
[  214.733776] Free swap  = 0kB
[  214.737645]  ? print_usage_bug+0xc0/0xc0
[  214.741407] Total swap = 0kB
[  214.741413] 1965979 pages RAM
[  214.744844]  ? __lock_acquire+0x62f/0x4c20
[  214.748866] 0 pages HighMem/MovableOnly
[  214.748872] 342854 pages reserved
[  214.754217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.757193] 0 pages cma reserved
[  214.757252] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  214.761243]  ? should_fail+0x22d/0xd01
[  214.761260]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.761274]  ? __lock_acquire+0x62f/0x4c20
[  214.764318] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  214.767345]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.771547] syz-executor3 cpuset=syz3 mems_allowed=0
[  214.775493]  ? __lock_acquire+0x62f/0x4c20
[  214.775506]  ? should_fail+0x22d/0xd01
[  214.836111]  ? find_held_lock+0x36/0x1c0
[  214.840166]  ? mark_held_locks+0x130/0x130
[  214.844389]  ? mark_held_locks+0x130/0x130
[  214.848608]  ? zap_class+0x640/0x640
[  214.852326]  ? mark_held_locks+0xc7/0x130
[  214.856459]  ? do_raw_spin_unlock+0xa7/0x330
[  214.860852]  ? zap_class+0x640/0x640
[  214.864567]  ? print_usage_bug+0xc0/0xc0
[  214.868615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.874141]  ? check_preemption_disabled+0x48/0x280
[  214.879147]  ? __lock_is_held+0xb5/0x140
[  214.883197]  __alloc_pages_nodemask+0xa80/0xde0
[  214.887853]  ? zap_class+0x640/0x640
[  214.891562]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  214.896604]  ? find_held_lock+0x36/0x1c0
[  214.900660]  ? ____cache_alloc_node+0x1c7/0x1e0
[  214.905404]  ? lock_downgrade+0x900/0x900
[  214.909545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.915073]  cache_grow_begin+0xa5/0x8c0
[  214.919133]  ? do_raw_spin_unlock+0xa7/0x330
[  214.923537]  fallback_alloc+0x204/0x2e0
[  214.927500]  ____cache_alloc_node+0x1c7/0x1e0
[  214.931982]  kmem_cache_alloc_node+0xe3/0x730
[  214.936580]  ? ipv6_get_ifaddr+0x42e/0x620
[  214.940811]  __alloc_skb+0x119/0x770
[  214.944510]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  214.949863]  ? netdev_alloc_frag+0x1f0/0x1f0
[  214.954254]  ? lock_downgrade+0x900/0x900
[  214.958392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.963917]  ? refcount_sub_and_test_checked+0x203/0x310
[  214.969441]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  214.974878]  ? addrconf_rs_timer+0x690/0x690
[  214.979282]  ndisc_alloc_skb+0x144/0x340
[  214.983331]  ndisc_send_rs+0x331/0x6e0
[  214.987220]  addrconf_rs_timer+0x314/0x690
[  214.991443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  214.995669]  call_timer_fn+0x272/0x920
[  214.999550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.003768]  ? process_timeout+0x40/0x40
[  215.007818]  ? __run_timers+0x7da/0xc70
[  215.011780]  ? _raw_spin_unlock_irq+0x27/0x80
[  215.016280]  ? _raw_spin_unlock_irq+0x27/0x80
[  215.020770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.025099]  ? lockdep_hardirqs_on+0x296/0x5b0
[  215.029670]  ? trace_hardirqs_on+0xbd/0x310
[  215.033974]  ? kasan_check_read+0x11/0x20
[  215.038105]  ? __run_timers+0x7da/0xc70
[  215.042064]  ? trace_hardirqs_off_caller+0x310/0x310
[  215.047164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.051479]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.055698]  __run_timers+0x7e5/0xc70
[  215.059490]  ? timer_fixup_init+0x70/0x70
[  215.063624]  ? _raw_spin_unlock_irq+0x27/0x80
[  215.068117]  ? _raw_spin_unlock_irq+0x27/0x80
[  215.072600]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  215.077190]  ? trace_hardirqs_on+0xbd/0x310
[  215.081495]  ? kasan_check_read+0x11/0x20
[  215.085663]  ? finish_task_switch+0x1f4/0x910
[  215.090142]  ? trace_hardirqs_off_caller+0x310/0x310
[  215.095227]  ? compat_start_thread+0x80/0x80
[  215.099637]  ? pvclock_read_flags+0x160/0x160
[  215.104119]  ? __switch_to_asm+0x34/0x70
[  215.108166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.113686]  ? check_preemption_disabled+0x48/0x280
[  215.118697]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  215.124218]  ? rcu_pm_notify+0xc0/0xc0
[  215.128100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.134145]  ? check_preemption_disabled+0x48/0x280
[  215.139154]  run_timer_softirq+0x52/0xb0
[  215.143202]  ? rcu_read_lock_sched_held+0x14f/0x180
[  215.148202]  __do_softirq+0x308/0xb7e
[  215.151991]  ? trace_hardirqs_on_caller+0xc0/0x310
[  215.156915]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  215.162011]  ? trace_hardirqs_on+0x310/0x310
[  215.166409]  ? schedule+0x108/0x460
[  215.170031]  ? trace_hardirqs_off+0xb8/0x310
[  215.174427]  ? smpboot_thread_fn+0x68b/0xa00
[  215.178822]  ? trace_hardirqs_on+0x310/0x310
[  215.183217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.188741]  ? check_preemption_disabled+0x48/0x280
[  215.193744]  ? takeover_tasklets+0xa90/0xa90
[  215.198140]  run_ksoftirqd+0x5e/0x100
[  215.201925]  smpboot_thread_fn+0x68b/0xa00
[  215.206147]  ? sort_range+0x30/0x30
[  215.209758]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  215.214848]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.220372]  ? __kthread_parkme+0xfb/0x1a0
[  215.224592]  ? sort_range+0x30/0x30
[  215.228203]  kthread+0x35a/0x440
[  215.231554]  ? kthread_stop+0x900/0x900
[  215.235520]  ret_from_fork+0x3a/0x50
[  215.239236] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  215.239313] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  215.246510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  215.246516] Call Trace:
[  215.253056] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  215.262314]  <IRQ>
[  215.264872] ksoftirqd/1 cpuset=/ mems_allowed=0
[  215.275160]  dump_stack+0x244/0x39d
[  215.285547]  ? dump_stack_print_info.cold.1+0x20/0x20
[  215.290748]  warn_alloc.cold.116+0xb7/0x1bd
[  215.295056]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  215.299886]  ? lock_downgrade+0x900/0x900
[  215.304033]  ? trace_hardirqs_off+0xb8/0x310
[  215.308429]  ? trace_hardirqs_off+0xb8/0x310
[  215.312829]  __alloc_pages_slowpath+0x26e8/0x2e10
[  215.317764]  ? warn_alloc+0x120/0x120
[  215.321550]  ? print_usage_bug+0xc0/0xc0
[  215.325615]  ? warn_alloc+0x120/0x120
[  215.329407]  ? warn_alloc+0x120/0x120
[  215.333197]  ? print_usage_bug+0xc0/0xc0
[  215.337249]  ? print_usage_bug+0xc0/0xc0
[  215.341293]  ? __lock_acquire+0x62f/0x4c20
[  215.345518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.351040]  ? should_fail+0x22d/0xd01
[  215.354915]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.360010]  ? __lock_acquire+0x62f/0x4c20
[  215.364236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.369322]  ? __lock_acquire+0x62f/0x4c20
[  215.373543]  ? should_fail+0x22d/0xd01
[  215.377418]  ? find_held_lock+0x36/0x1c0
[  215.381474]  ? mark_held_locks+0x130/0x130
[  215.385696]  ? mark_held_locks+0x130/0x130
[  215.389925]  ? zap_class+0x640/0x640
[  215.393625]  ? zap_class+0x640/0x640
[  215.397328]  ? print_usage_bug+0xc0/0xc0
[  215.401389]  ? do_raw_spin_unlock+0xa7/0x330
[  215.405870]  ? zap_class+0x640/0x640
[  215.409575]  ? print_usage_bug+0xc0/0xc0
[  215.413622]  ? wq_watchdog_touch+0x9c/0xfe
[  215.417863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.423385]  ? check_preemption_disabled+0x48/0x280
[  215.428393]  ? __lock_is_held+0xb5/0x140
[  215.432441]  __alloc_pages_nodemask+0xa80/0xde0
[  215.437095]  ? zap_class+0x640/0x640
[  215.440799]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  215.445811]  ? find_held_lock+0x36/0x1c0
[  215.449867]  ? ____cache_alloc_node+0x1c7/0x1e0
[  215.454521]  ? lock_downgrade+0x900/0x900
[  215.458659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.464184]  cache_grow_begin+0xa5/0x8c0
[  215.468229]  ? do_raw_spin_unlock+0xa7/0x330
[  215.472625]  fallback_alloc+0x204/0x2e0
[  215.476588]  ____cache_alloc_node+0x1c7/0x1e0
[  215.481071]  kmem_cache_alloc_node+0xe3/0x730
[  215.485556]  ? ipv6_get_ifaddr+0x42e/0x620
[  215.489786]  __alloc_skb+0x119/0x770
[  215.493483]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  215.498769]  ? netdev_alloc_frag+0x1f0/0x1f0
[  215.503163]  ? lock_downgrade+0x900/0x900
[  215.507304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.512829]  ? refcount_sub_and_test_checked+0x203/0x310
[  215.518268]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  215.523703]  ? addrconf_rs_timer+0x690/0x690
[  215.528103]  ndisc_alloc_skb+0x144/0x340
[  215.532154]  ndisc_send_rs+0x331/0x6e0
[  215.536032]  addrconf_rs_timer+0x314/0x690
[  215.540254]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.544479]  call_timer_fn+0x272/0x920
[  215.548351]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.552569]  ? process_timeout+0x40/0x40
[  215.556624]  ? __run_timers+0x7da/0xc70
[  215.560588]  ? _raw_spin_unlock_irq+0x27/0x80
[  215.565064]  ? _raw_spin_unlock_irq+0x27/0x80
[  215.569542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.573764]  ? lockdep_hardirqs_on+0x296/0x5b0
[  215.578337]  ? trace_hardirqs_on+0xbd/0x310
[  215.582658]  ? kasan_check_read+0x11/0x20
[  215.586789]  ? __run_timers+0x7da/0xc70
[  215.590748]  ? trace_hardirqs_off_caller+0x310/0x310
[  215.595837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.600060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.604276]  __run_timers+0x7e5/0xc70
[  215.608068]  ? timer_fixup_init+0x70/0x70
[  215.612203]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  215.617207]  ? zap_class+0x640/0x640
[  215.620915]  ? enqueue_hrtimer+0x1a5/0x560
[  215.625137]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  215.630335]  ? find_held_lock+0x36/0x1c0
[  215.634383]  ? zap_class+0x640/0x640
[  215.638091]  ? pvclock_read_flags+0x160/0x160
[  215.642571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.648095]  ? check_preemption_disabled+0x48/0x280
[  215.653118]  ? __lock_is_held+0xb5/0x140
[  215.657174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.662718]  ? check_preemption_disabled+0x48/0x280
[  215.667721]  run_timer_softirq+0x52/0xb0
[  215.671769]  ? rcu_read_lock_sched_held+0x14f/0x180
[  215.676768]  __do_softirq+0x308/0xb7e
[  215.680557]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  215.685044]  ? lock_downgrade+0x900/0x900
[  215.689178]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  215.694273]  ? pvclock_read_flags+0x160/0x160
[  215.698753]  ? lapic_next_event+0x5a/0x90
[  215.702903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.708427]  ? kvm_clock_read+0x18/0x30
[  215.712473]  ? kvm_sched_clock_read+0x9/0x20
[  215.716878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.722402]  ? check_preemption_disabled+0x48/0x280
[  215.727409]  irq_exit+0x17f/0x1c0
[  215.730849]  smp_apic_timer_interrupt+0x1cb/0x760
[  215.735777]  ? smp_reschedule_interrupt+0x109/0x650
[  215.740783]  ? smp_call_function_single_interrupt+0x650/0x650
[  215.746664]  ? interrupt_entry+0xb5/0xc0
[  215.750716]  ? trace_hardirqs_off_caller+0xbb/0x310
[  215.755736]  ? trace_hardirqs_off_caller+0xbb/0x310
[  215.760740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  215.765667]  ? trace_hardirqs_on_caller+0x310/0x310
[  215.770668]  ? trace_hardirqs_on_caller+0x310/0x310
[  215.775666]  ? task_prio+0x50/0x50
[  215.779193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.784716]  ? check_preemption_disabled+0x48/0x280
[  215.789725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  215.794560]  apic_timer_interrupt+0xf/0x20
[  215.798779]  </IRQ>
[  215.801008] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  215.805926] 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
[  215.824817] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  215.832510] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  215.839851] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  215.847202] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  215.854456] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  215.861707] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  215.869016]  skb_clone+0x1bb/0x500
[  215.872557]  ? finish_task_switch+0x2f4/0x910
[  215.877063]  ? skb_split+0x11e0/0x11e0
[  215.880960]  ? preempt_notifier_register+0x200/0x200
[  215.886053]  ? __switch_to_asm+0x34/0x70
[  215.890100]  ? __switch_to_asm+0x34/0x70
[  215.894142]  ? __switch_to_asm+0x40/0x70
[  215.898187]  ? __switch_to_asm+0x34/0x70
[  215.902231]  ? __switch_to_asm+0x40/0x70
[  215.906278]  ? __switch_to_asm+0x34/0x70
[  215.910339]  ? __switch_to_asm+0x40/0x70
[  215.914385]  ? __switch_to_asm+0x34/0x70
[  215.918441]  ? __switch_to_asm+0x34/0x70
[  215.922491]  ? __switch_to_asm+0x40/0x70
[  215.926538]  ? __switch_to_asm+0x34/0x70
[  215.930596]  bpf_clone_redirect+0xb9/0x490
[  215.934816]  ? __schedule+0x8d7/0x21d0
[  215.938696]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  215.943701]  ? __sched_text_start+0x8/0x8
[  215.947834]  ? retint_kernel+0x2d/0x2d
[  215.951712]  ? trace_hardirqs_on_caller+0xc0/0x310
[  215.956626]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  215.961368]  ? find_held_lock+0x36/0x1c0
[  215.965919]  ? lock_acquire+0x1ed/0x520
[  215.969888]  ? bpf_test_run+0x3cb/0x780
[  215.973847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.979370]  ? check_preemption_disabled+0x48/0x280
[  215.984379]  ? kasan_check_read+0x11/0x20
[  215.988515]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  215.993863]  ? rcu_softirq_qs+0x20/0x20
[  215.997827]  ? preempt_schedule+0x4d/0x60
[  216.001967]  ? ___preempt_schedule+0x16/0x18
[  216.006369]  ? bpf_test_run+0x25d/0x780
[  216.010341]  ? netlink_diag_dump+0x2a0/0x2a0
[  216.014740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.020265]  ? bpf_test_init.isra.10+0x70/0x100
[  216.024930]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  216.029686]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  216.034513]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  216.040039]  ? fput+0x130/0x1a0
[  216.043308]  ? __bpf_prog_get+0x9b/0x290
[  216.047357]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  216.052192]  ? bpf_prog_test_run+0x130/0x1a0
[  216.056591]  ? __x64_sys_bpf+0x3d8/0x520
[  216.060646]  ? bpf_prog_get+0x20/0x20
[  216.064451]  ? do_syscall_64+0x1b9/0x820
[  216.068512]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  216.073861]  ? syscall_return_slowpath+0x5e0/0x5e0
[  216.078782]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  216.083615]  ? trace_hardirqs_on_caller+0x310/0x310
[  216.088624]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  216.093632]  ? prepare_exit_to_usermode+0x291/0x3b0
[  216.098639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  216.103471]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  216.108833] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  216.108837] warn_alloc_show_mem: 1 callbacks suppressed
[  216.108842] Mem-Info:
[  216.115750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  216.121105] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  216.121105]  active_file:12 inactive_file:13 isolated_file:0
[  216.121105]  unevictable:0 dirty:0 writeback:0 unstable:0
[  216.121105]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  216.121105]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  216.121105]  free:13767 free_pcp:247 free_cma:0
[  216.123465] Call Trace:
[  216.132825] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  216.165838]  dump_stack+0x244/0x39d
[  216.168389] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  216.196041]  ? dump_stack_print_info.cold.1+0x20/0x20
[  216.199625] lowmem_reserve[]: 0 2818 6321 6321
[  216.225732]  warn_alloc.cold.116+0xb7/0x1bd
[  216.230881] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  216.235557]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  216.239854] lowmem_reserve[]: 0 0 3503 3503
[  216.267892]  ? lock_downgrade+0x900/0x900
[  216.272795] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  216.277101]  ? trace_hardirqs_off+0xb8/0x310
[  216.281312] lowmem_reserve[]: 0 0 0 0
[  216.310277]  ? trace_hardirqs_off+0xb8/0x310
[  216.314648] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  216.318434]  __alloc_pages_slowpath+0x26e8/0x2e10
[  216.322812] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  216.336336]  ? warn_alloc+0x120/0x120
[  216.341131] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  216.356288]  ? print_usage_bug+0xc0/0xc0
[  216.360060] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  216.375290]  ? warn_alloc+0x120/0x120
[  216.379318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  216.379324] 2041 total pagecache pages
[  216.388137]  ? zap_class+0x640/0x640
[  216.391917] 0 pages in swap cache
[  216.400460]  ? warn_alloc+0x120/0x120
[  216.404310] Swap cache stats: add 0, delete 0, find 0/0
[  216.404317] Free swap  = 0kB
[  216.408008]  ? print_usage_bug+0xc0/0xc0
[  216.411425] Total swap = 0kB
[  216.411431] 1965979 pages RAM
[  216.415213]  ? print_usage_bug+0xc0/0xc0
[  216.420536] 0 pages HighMem/MovableOnly
[  216.420543] 342854 pages reserved
[  216.423538]  ? __lock_acquire+0x62f/0x4c20
[  216.427560] 0 pages cma reserved
[  216.427623] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  216.430564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.430576]  ? should_fail+0x22d/0xd01
[  216.430591]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  216.433812] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  216.437718]  ? __lock_acquire+0x62f/0x4c20
[  216.441665] syz-executor3 cpuset=syz3 mems_allowed=0
[  216.445097]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  216.498540]  ? __lock_acquire+0x62f/0x4c20
[  216.502762]  ? should_fail+0x22d/0xd01
[  216.506633]  ? find_held_lock+0x36/0x1c0
[  216.510690]  ? mark_held_locks+0x130/0x130
[  216.514923]  ? mark_held_locks+0x130/0x130
[  216.519146]  ? zap_class+0x640/0x640
[  216.522852]  ? mark_held_locks+0xc7/0x130
[  216.526983]  ? do_raw_spin_unlock+0xa7/0x330
[  216.531391]  ? zap_class+0x640/0x640
[  216.535197]  ? print_usage_bug+0xc0/0xc0
[  216.539252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.544784]  ? check_preemption_disabled+0x48/0x280
[  216.549794]  ? __lock_is_held+0xb5/0x140
[  216.554044]  __alloc_pages_nodemask+0xa80/0xde0
[  216.558786]  ? zap_class+0x640/0x640
[  216.562498]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  216.567508]  ? find_held_lock+0x36/0x1c0
[  216.571561]  ? ____cache_alloc_node+0x1c7/0x1e0
[  216.576217]  ? lock_downgrade+0x900/0x900
[  216.580361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.585977]  cache_grow_begin+0xa5/0x8c0
[  216.590025]  ? do_raw_spin_unlock+0xa7/0x330
[  216.594425]  fallback_alloc+0x204/0x2e0
[  216.598394]  ____cache_alloc_node+0x1c7/0x1e0
[  216.602889]  kmem_cache_alloc_node+0xe3/0x730
[  216.607369]  ? ipv6_get_ifaddr+0x42e/0x620
[  216.611602]  __alloc_skb+0x119/0x770
[  216.615304]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  216.620585]  ? netdev_alloc_frag+0x1f0/0x1f0
[  216.624976]  ? lock_downgrade+0x900/0x900
[  216.629117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.634637]  ? refcount_sub_and_test_checked+0x203/0x310
[  216.640073]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  216.645510]  ? addrconf_rs_timer+0x690/0x690
[  216.649916]  ndisc_alloc_skb+0x144/0x340
[  216.653965]  ndisc_send_rs+0x331/0x6e0
[  216.657851]  addrconf_rs_timer+0x314/0x690
[  216.662080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  216.666306]  call_timer_fn+0x272/0x920
[  216.670269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  216.674491]  ? process_timeout+0x40/0x40
[  216.678543]  ? __run_timers+0x7da/0xc70
[  216.682524]  ? _raw_spin_unlock_irq+0x27/0x80
[  216.687003]  ? _raw_spin_unlock_irq+0x27/0x80
[  216.691482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  216.695700]  ? lockdep_hardirqs_on+0x296/0x5b0
[  216.700267]  ? trace_hardirqs_on+0xbd/0x310
[  216.704575]  ? kasan_check_read+0x11/0x20
[  216.708705]  ? __run_timers+0x7da/0xc70
[  216.712667]  ? trace_hardirqs_off_caller+0x310/0x310
[  216.717769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  216.721995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  216.726227]  __run_timers+0x7e5/0xc70
[  216.730020]  ? timer_fixup_init+0x70/0x70
[  216.734155]  ? _raw_spin_unlock_irq+0x27/0x80
[  216.738720]  ? _raw_spin_unlock_irq+0x27/0x80
[  216.743203]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  216.747770]  ? trace_hardirqs_on+0xbd/0x310
[  216.752076]  ? kasan_check_read+0x11/0x20
[  216.756213]  ? finish_task_switch+0x1f4/0x910
[  216.760698]  ? trace_hardirqs_off_caller+0x310/0x310
[  216.765790]  ? compat_start_thread+0x80/0x80
[  216.770201]  ? pvclock_read_flags+0x160/0x160
[  216.774681]  ? __switch_to_asm+0x34/0x70
[  216.778726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.784333]  ? check_preemption_disabled+0x48/0x280
[  216.789342]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  216.794869]  ? rcu_pm_notify+0xc0/0xc0
[  216.798741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.804350]  ? check_preemption_disabled+0x48/0x280
[  216.809456]  run_timer_softirq+0x52/0xb0
[  216.813522]  ? rcu_read_lock_sched_held+0x14f/0x180
[  216.818527]  __do_softirq+0x308/0xb7e
[  216.822319]  ? trace_hardirqs_on_caller+0xc0/0x310
[  216.827236]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  216.832326]  ? trace_hardirqs_on+0x310/0x310
[  216.836729]  ? schedule+0x108/0x460
[  216.840351]  ? trace_hardirqs_off+0xb8/0x310
[  216.844751]  ? smpboot_thread_fn+0x68b/0xa00
[  216.849151]  ? trace_hardirqs_on+0x310/0x310
[  216.853572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.859097]  ? check_preemption_disabled+0x48/0x280
[  216.864115]  ? takeover_tasklets+0xa90/0xa90
[  216.868530]  run_ksoftirqd+0x5e/0x100
[  216.872319]  smpboot_thread_fn+0x68b/0xa00
[  216.876553]  ? sort_range+0x30/0x30
[  216.880187]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  216.885273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.890798]  ? __kthread_parkme+0xfb/0x1a0
[  216.895024]  ? sort_range+0x30/0x30
[  216.898636]  kthread+0x35a/0x440
[  216.901989]  ? kthread_stop+0x900/0x900
[  216.905951]  ret_from_fork+0x3a/0x50
[  216.909666] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  216.909729] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  216.916928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  216.916934] Call Trace:
[  216.923468] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  216.932728]  <IRQ>
[  216.935284] ksoftirqd/1 cpuset=/ mems_allowed=0
[  216.945573]  dump_stack+0x244/0x39d
[  216.955950]  ? dump_stack_print_info.cold.1+0x20/0x20
[  216.961135]  warn_alloc.cold.116+0xb7/0x1bd
[  216.965442]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  216.970276]  ? lock_downgrade+0x900/0x900
[  216.974415]  ? trace_hardirqs_off+0xb8/0x310
[  216.978814]  ? trace_hardirqs_off+0xb8/0x310
[  216.983215]  __alloc_pages_slowpath+0x26e8/0x2e10
[  216.988065]  ? warn_alloc+0x120/0x120
[  216.991863]  ? print_usage_bug+0xc0/0xc0
[  216.995912]  ? warn_alloc+0x120/0x120
[  216.999703]  ? warn_alloc+0x120/0x120
[  217.003489]  ? print_usage_bug+0xc0/0xc0
[  217.007538]  ? print_usage_bug+0xc0/0xc0
[  217.011674]  ? __lock_acquire+0x62f/0x4c20
[  217.015905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.021429]  ? should_fail+0x22d/0xd01
[  217.025311]  ? __lock_acquire+0x62f/0x4c20
[  217.029534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.034622]  ? __lock_acquire+0x62f/0x4c20
[  217.038851]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.043944]  ? __lock_acquire+0x62f/0x4c20
[  217.048163]  ? should_fail+0x22d/0xd01
[  217.052048]  ? mark_held_locks+0x130/0x130
[  217.056277]  ? mark_held_locks+0x130/0x130
[  217.060586]  ? try_to_wake_up+0x11c/0x1490
[  217.064806]  ? lock_downgrade+0x900/0x900
[  217.068939]  ? zap_class+0x640/0x640
[  217.072638]  ? print_usage_bug+0xc0/0xc0
[  217.076698]  ? print_usage_bug+0xc0/0xc0
[  217.080749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.086273]  ? check_preemption_disabled+0x48/0x280
[  217.091301]  ? __lock_is_held+0xb5/0x140
[  217.095350]  __alloc_pages_nodemask+0xa80/0xde0
[  217.100001]  ? zap_class+0x640/0x640
[  217.103721]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  217.108731]  ? find_held_lock+0x36/0x1c0
[  217.112782]  ? ____cache_alloc_node+0x1c7/0x1e0
[  217.117449]  ? lock_downgrade+0x900/0x900
[  217.121587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.127118]  cache_grow_begin+0xa5/0x8c0
[  217.131167]  ? do_raw_spin_unlock+0xa7/0x330
[  217.135740]  fallback_alloc+0x204/0x2e0
[  217.139724]  ____cache_alloc_node+0x1c7/0x1e0
[  217.144207]  kmem_cache_alloc_node+0xe3/0x730
[  217.148687]  ? ipv6_get_ifaddr+0x42e/0x620
[  217.152916]  __alloc_skb+0x119/0x770
[  217.156617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  217.161883]  ? netdev_alloc_frag+0x1f0/0x1f0
[  217.166364]  ? lock_downgrade+0x900/0x900
[  217.170504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.176026]  ? refcount_sub_and_test_checked+0x203/0x310
[  217.181462]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  217.186898]  ? addrconf_rs_timer+0x690/0x690
[  217.191323]  ndisc_alloc_skb+0x144/0x340
[  217.195373]  ndisc_send_rs+0x331/0x6e0
[  217.199252]  addrconf_rs_timer+0x314/0x690
[  217.203476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.207702]  call_timer_fn+0x272/0x920
[  217.211576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.215798]  ? process_timeout+0x40/0x40
[  217.219863]  ? __run_timers+0x7da/0xc70
[  217.223829]  ? _raw_spin_unlock_irq+0x27/0x80
[  217.228313]  ? _raw_spin_unlock_irq+0x27/0x80
[  217.232793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.237015]  ? lockdep_hardirqs_on+0x296/0x5b0
[  217.241582]  ? trace_hardirqs_on+0xbd/0x310
[  217.245890]  ? kasan_check_read+0x11/0x20
[  217.250025]  ? __run_timers+0x7da/0xc70
[  217.253987]  ? trace_hardirqs_off_caller+0x310/0x310
[  217.259098]  ? tcp_compressed_ack_kick+0x220/0x220
[  217.264017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.268236]  __run_timers+0x7e5/0xc70
[  217.272121]  ? timer_fixup_init+0x70/0x70
[  217.276257]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  217.281261]  ? zap_class+0x640/0x640
[  217.284967]  ? enqueue_hrtimer+0x1a5/0x560
[  217.289196]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  217.294382]  ? find_held_lock+0x36/0x1c0
[  217.298432]  ? zap_class+0x640/0x640
[  217.302133]  ? pvclock_read_flags+0x160/0x160
[  217.306614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.312166]  ? check_preemption_disabled+0x48/0x280
[  217.317181]  ? __lock_is_held+0xb5/0x140
[  217.321242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.326778]  ? check_preemption_disabled+0x48/0x280
[  217.331869]  run_timer_softirq+0x52/0xb0
[  217.335918]  ? rcu_read_lock_sched_held+0x14f/0x180
[  217.341009]  __do_softirq+0x308/0xb7e
[  217.344805]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  217.349291]  ? lock_downgrade+0x900/0x900
[  217.353425]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  217.358519]  ? pvclock_read_flags+0x160/0x160
[  217.363004]  ? lapic_next_event+0x5a/0x90
[  217.367136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.372664]  ? kvm_clock_read+0x18/0x30
[  217.376623]  ? kvm_sched_clock_read+0x9/0x20
[  217.381020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.386542]  ? check_preemption_disabled+0x48/0x280
[  217.391551]  irq_exit+0x17f/0x1c0
[  217.394996]  smp_apic_timer_interrupt+0x1cb/0x760
[  217.399846]  ? smp_reschedule_interrupt+0x109/0x650
[  217.404850]  ? smp_call_function_single_interrupt+0x650/0x650
[  217.410722]  ? interrupt_entry+0xb5/0xc0
[  217.414771]  ? trace_hardirqs_off_caller+0xbb/0x310
[  217.419772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  217.424776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.429606]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.434607]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.439612]  ? task_prio+0x50/0x50
[  217.443140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.448670]  ? check_preemption_disabled+0x48/0x280
[  217.453703]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.458562]  apic_timer_interrupt+0xf/0x20
[  217.462779]  </IRQ>
[  217.465008] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  217.469936] 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
[  217.488827] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  217.496518] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  217.503773] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  217.511036] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  217.518290] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  217.525560] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  217.532858]  skb_clone+0x1bb/0x500
[  217.536389]  ? finish_task_switch+0x2f4/0x910
[  217.540904]  ? skb_split+0x11e0/0x11e0
[  217.544778]  ? preempt_notifier_register+0x200/0x200
[  217.549884]  ? __switch_to_asm+0x34/0x70
[  217.553932]  ? __switch_to_asm+0x34/0x70
[  217.557983]  ? __switch_to_asm+0x40/0x70
[  217.562027]  ? __switch_to_asm+0x34/0x70
[  217.566075]  ? __switch_to_asm+0x40/0x70
[  217.570125]  ? __switch_to_asm+0x34/0x70
[  217.574168]  ? __switch_to_asm+0x40/0x70
[  217.578218]  ? __switch_to_asm+0x34/0x70
[  217.582266]  ? __switch_to_asm+0x34/0x70
[  217.586311]  ? __switch_to_asm+0x40/0x70
[  217.590360]  ? __switch_to_asm+0x34/0x70
[  217.594415]  bpf_clone_redirect+0xb9/0x490
[  217.598661]  ? __schedule+0x8d7/0x21d0
[  217.602546]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  217.607555]  ? __sched_text_start+0x8/0x8
[  217.611692]  ? retint_kernel+0x2d/0x2d
[  217.615572]  ? trace_hardirqs_on_caller+0xc0/0x310
[  217.620493]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  217.625258]  ? find_held_lock+0x36/0x1c0
[  217.629336]  ? lock_acquire+0x1ed/0x520
[  217.633297]  ? bpf_test_run+0x3cb/0x780
[  217.637262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.642800]  ? check_preemption_disabled+0x48/0x280
[  217.647824]  ? kasan_check_read+0x11/0x20
[  217.651959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  217.657224]  ? rcu_softirq_qs+0x20/0x20
[  217.661207]  ? preempt_schedule+0x4d/0x60
[  217.665346]  ? ___preempt_schedule+0x16/0x18
[  217.669748]  ? bpf_test_run+0x25d/0x780
[  217.673719]  ? netlink_diag_dump+0x2a0/0x2a0
[  217.678116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.683643]  ? bpf_test_init.isra.10+0x70/0x100
[  217.688302]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  217.693058]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  217.697911]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  217.703437]  ? fput+0x130/0x1a0
[  217.706725]  ? __bpf_prog_get+0x9b/0x290
[  217.710802]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  217.715628]  ? bpf_prog_test_run+0x130/0x1a0
[  217.720027]  ? __x64_sys_bpf+0x3d8/0x520
[  217.724073]  ? bpf_prog_get+0x20/0x20
[  217.727887]  ? do_syscall_64+0x1b9/0x820
[  217.731932]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  217.737280]  ? syscall_return_slowpath+0x5e0/0x5e0
[  217.742216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.747049]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.752050]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  217.757056]  ? prepare_exit_to_usermode+0x291/0x3b0
[  217.762061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.766912]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  217.772270] warn_alloc_show_mem: 1 callbacks suppressed
[  217.772278] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  217.772280] Mem-Info:
[  217.772306] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  217.772306]  active_file:12 inactive_file:13 isolated_file:0
[  217.772306]  unevictable:0 dirty:0 writeback:0 unstable:0
[  217.772306]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  217.772306]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  217.772306]  free:13767 free_pcp:247 free_cma:0
[  217.777632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  217.777638] Call Trace:
[  217.784569] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  217.786961]  dump_stack+0x244/0x39d
[  217.819974] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  217.829312]  ? dump_stack_print_info.cold.1+0x20/0x20
[  217.831858] lowmem_reserve[]: 0 2818 6321 6321
[  217.859526]  warn_alloc.cold.116+0xb7/0x1bd
[  217.863109] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  217.889196]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  217.894346] lowmem_reserve[]: 0 0 3503 3503
[  217.898913]  ? lock_downgrade+0x900/0x900
[  217.903201] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  217.931029]  ? trace_hardirqs_off+0xb8/0x310
[  217.935828] lowmem_reserve[]: 0 0 0 0
[  217.940225]  ? trace_hardirqs_off+0xb8/0x310
[  217.944336] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  217.973630]  __alloc_pages_slowpath+0x26e8/0x2e10
[  217.978003] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  217.981811]  ? warn_alloc+0x120/0x120
[  217.986164] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  217.999673]  ? print_usage_bug+0xc0/0xc0
[  218.004491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  218.019637]  ? warn_alloc+0x120/0x120
[  218.023404] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  218.023412] 2041 total pagecache pages
[  218.038649]  ? zap_class+0x640/0x640
[  218.042681] 0 pages in swap cache
[  218.051491]  ? warn_alloc+0x120/0x120
[  218.055261] Swap cache stats: add 0, delete 0, find 0/0
[  218.063913]  ? print_usage_bug+0xc0/0xc0
[  218.067774] Free swap  = 0kB
[  218.071471]  ? print_usage_bug+0xc0/0xc0
[  218.074886] Total swap = 0kB
[  218.074893] 1965979 pages RAM
[  218.078671]  ? __lock_acquire+0x62f/0x4c20
[  218.083996] 0 pages HighMem/MovableOnly
[  218.084003] 342854 pages reserved
[  218.088046]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.091026] 0 pages cma reserved
[  218.091086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  218.095074]  ? should_fail+0x22d/0xd01
[  218.098107] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  218.101146]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.105346] syz-executor3 cpuset=syz3 mems_allowed=0
[  218.109299]  ? __lock_acquire+0x62f/0x4c20
[  218.156830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.161919]  ? __lock_acquire+0x62f/0x4c20
[  218.166159]  ? should_fail+0x22d/0xd01
[  218.170032]  ? find_held_lock+0x36/0x1c0
[  218.174088]  ? mark_held_locks+0x130/0x130
[  218.178311]  ? mark_held_locks+0x130/0x130
[  218.182533]  ? zap_class+0x640/0x640
[  218.186238]  ? mark_held_locks+0xc7/0x130
[  218.190374]  ? do_raw_spin_unlock+0xa7/0x330
[  218.194767]  ? zap_class+0x640/0x640
[  218.198558]  ? print_usage_bug+0xc0/0xc0
[  218.202606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.208129]  ? check_preemption_disabled+0x48/0x280
[  218.213139]  ? __lock_is_held+0xb5/0x140
[  218.217194]  __alloc_pages_nodemask+0xa80/0xde0
[  218.221849]  ? zap_class+0x640/0x640
[  218.225560]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  218.230569]  ? find_held_lock+0x36/0x1c0
[  218.234623]  ? ____cache_alloc_node+0x1c7/0x1e0
[  218.239280]  ? lock_downgrade+0x900/0x900
[  218.243421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.248944]  cache_grow_begin+0xa5/0x8c0
[  218.252991]  ? do_raw_spin_unlock+0xa7/0x330
[  218.257389]  fallback_alloc+0x204/0x2e0
[  218.261357]  ____cache_alloc_node+0x1c7/0x1e0
[  218.265841]  kmem_cache_alloc_node+0xe3/0x730
[  218.270324]  ? ipv6_get_ifaddr+0x42e/0x620
[  218.274551]  __alloc_skb+0x119/0x770
[  218.278262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  218.283536]  ? netdev_alloc_frag+0x1f0/0x1f0
[  218.287931]  ? lock_downgrade+0x900/0x900
[  218.292072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.297598]  ? refcount_sub_and_test_checked+0x203/0x310
[  218.303036]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  218.308470]  ? addrconf_rs_timer+0x690/0x690
[  218.312879]  ndisc_alloc_skb+0x144/0x340
[  218.316926]  ndisc_send_rs+0x331/0x6e0
[  218.320805]  addrconf_rs_timer+0x314/0x690
[  218.325031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.329265]  call_timer_fn+0x272/0x920
[  218.333138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.337361]  ? process_timeout+0x40/0x40
[  218.341414]  ? __run_timers+0x7da/0xc70
[  218.345377]  ? _raw_spin_unlock_irq+0x27/0x80
[  218.349857]  ? _raw_spin_unlock_irq+0x27/0x80
[  218.354336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.358567]  ? lockdep_hardirqs_on+0x296/0x5b0
[  218.363171]  ? trace_hardirqs_on+0xbd/0x310
[  218.367567]  ? kasan_check_read+0x11/0x20
[  218.371700]  ? __run_timers+0x7da/0xc70
[  218.375665]  ? trace_hardirqs_off_caller+0x310/0x310
[  218.380758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.384985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.389203]  __run_timers+0x7e5/0xc70
[  218.392998]  ? timer_fixup_init+0x70/0x70
[  218.397129]  ? _raw_spin_unlock_irq+0x27/0x80
[  218.401606]  ? _raw_spin_unlock_irq+0x27/0x80
[  218.406086]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  218.410654]  ? trace_hardirqs_on+0xbd/0x310
[  218.414962]  ? kasan_check_read+0x11/0x20
[  218.419098]  ? finish_task_switch+0x1f4/0x910
[  218.423577]  ? trace_hardirqs_off_caller+0x310/0x310
[  218.428664]  ? compat_start_thread+0x80/0x80
[  218.433079]  ? pvclock_read_flags+0x160/0x160
[  218.437560]  ? __switch_to_asm+0x34/0x70
[  218.441609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.447220]  ? check_preemption_disabled+0x48/0x280
[  218.452322]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  218.457858]  ? rcu_pm_notify+0xc0/0xc0
[  218.461738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.467262]  ? check_preemption_disabled+0x48/0x280
[  218.472265]  run_timer_softirq+0x52/0xb0
[  218.476309]  ? rcu_read_lock_sched_held+0x14f/0x180
[  218.481309]  __do_softirq+0x308/0xb7e
[  218.485097]  ? trace_hardirqs_on_caller+0xc0/0x310
[  218.490013]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  218.495123]  ? trace_hardirqs_on+0x310/0x310
[  218.499523]  ? schedule+0x108/0x460
[  218.503142]  ? trace_hardirqs_off+0xb8/0x310
[  218.507542]  ? smpboot_thread_fn+0x68b/0xa00
[  218.511943]  ? trace_hardirqs_on+0x310/0x310
[  218.516336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.521883]  ? check_preemption_disabled+0x48/0x280
[  218.526901]  ? takeover_tasklets+0xa90/0xa90
[  218.531296]  run_ksoftirqd+0x5e/0x100
[  218.535081]  smpboot_thread_fn+0x68b/0xa00
[  218.539302]  ? sort_range+0x30/0x30
[  218.542912]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  218.548003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.553523]  ? __kthread_parkme+0xfb/0x1a0
[  218.557745]  ? sort_range+0x30/0x30
[  218.561361]  kthread+0x35a/0x440
[  218.564719]  ? kthread_stop+0x900/0x900
[  218.568683]  ret_from_fork+0x3a/0x50
[  218.572402] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  218.572457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  218.579660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  218.579664] Call Trace:
[  218.579669]  <IRQ>
[  218.579682]  dump_stack+0x244/0x39d
[  218.579698]  ? dump_stack_print_info.cold.1+0x20/0x20
[  218.586197] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  218.595499]  warn_alloc.cold.116+0xb7/0x1bd
[  218.598047] ksoftirqd/1 cpuset=/ mems_allowed=0
[  218.600175]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  218.632986]  ? lock_downgrade+0x900/0x900
[  218.637124]  ? trace_hardirqs_off+0xb8/0x310
[  218.641521]  ? trace_hardirqs_off+0xb8/0x310
[  218.645919]  __alloc_pages_slowpath+0x26e8/0x2e10
[  218.650769]  ? warn_alloc+0x120/0x120
[  218.654577]  ? print_usage_bug+0xc0/0xc0
[  218.658622]  ? warn_alloc+0x120/0x120
[  218.662409]  ? warn_alloc+0x120/0x120
[  218.666196]  ? print_usage_bug+0xc0/0xc0
[  218.670247]  ? print_usage_bug+0xc0/0xc0
[  218.674294]  ? __lock_acquire+0x62f/0x4c20
[  218.678538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.684063]  ? should_fail+0x22d/0xd01
[  218.687948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.693046]  ? __lock_acquire+0x62f/0x4c20
[  218.697275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.702377]  ? __lock_acquire+0x62f/0x4c20
[  218.706601]  ? should_fail+0x22d/0xd01
[  218.710475]  ? find_held_lock+0x36/0x1c0
[  218.714528]  ? mark_held_locks+0x130/0x130
[  218.718759]  ? mark_held_locks+0x130/0x130
[  218.722981]  ? zap_class+0x640/0x640
[  218.726678]  ? zap_class+0x640/0x640
[  218.730384]  ? print_usage_bug+0xc0/0xc0
[  218.734429]  ? do_raw_spin_unlock+0xa7/0x330
[  218.738830]  ? zap_class+0x640/0x640
[  218.742530]  ? print_usage_bug+0xc0/0xc0
[  218.746578]  ? wq_watchdog_touch+0x9c/0xfe
[  218.750802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.756331]  ? check_preemption_disabled+0x48/0x280
[  218.761345]  ? __lock_is_held+0xb5/0x140
[  218.765397]  __alloc_pages_nodemask+0xa80/0xde0
[  218.770053]  ? zap_class+0x640/0x640
[  218.773761]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  218.778773]  ? find_held_lock+0x36/0x1c0
[  218.782835]  ? ____cache_alloc_node+0x1c7/0x1e0
[  218.787492]  ? lock_downgrade+0x900/0x900
[  218.791635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.797167]  cache_grow_begin+0xa5/0x8c0
[  218.801210]  ? do_raw_spin_unlock+0xa7/0x330
[  218.805609]  fallback_alloc+0x204/0x2e0
[  218.809575]  ____cache_alloc_node+0x1c7/0x1e0
[  218.814061]  kmem_cache_alloc_node+0xe3/0x730
[  218.818540]  ? ipv6_get_ifaddr+0x42e/0x620
[  218.822808]  __alloc_skb+0x119/0x770
[  218.826507]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  218.831795]  ? netdev_alloc_frag+0x1f0/0x1f0
[  218.836190]  ? lock_downgrade+0x900/0x900
[  218.840333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.845858]  ? refcount_sub_and_test_checked+0x203/0x310
[  218.851297]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  218.856732]  ? addrconf_rs_timer+0x690/0x690
[  218.861132]  ndisc_alloc_skb+0x144/0x340
[  218.865183]  ndisc_send_rs+0x331/0x6e0
[  218.869063]  addrconf_rs_timer+0x314/0x690
[  218.873285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.877514]  call_timer_fn+0x272/0x920
[  218.881387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.885608]  ? process_timeout+0x40/0x40
[  218.889659]  ? __run_timers+0x7da/0xc70
[  218.893627]  ? _raw_spin_unlock_irq+0x27/0x80
[  218.898105]  ? _raw_spin_unlock_irq+0x27/0x80
[  218.902587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.906808]  ? lockdep_hardirqs_on+0x296/0x5b0
[  218.911384]  ? trace_hardirqs_on+0xbd/0x310
[  218.915695]  ? kasan_check_read+0x11/0x20
[  218.919839]  ? __run_timers+0x7da/0xc70
[  218.923801]  ? trace_hardirqs_off_caller+0x310/0x310
[  218.928894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.933118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.937337]  __run_timers+0x7e5/0xc70
[  218.941128]  ? timer_fixup_init+0x70/0x70
[  218.945261]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  218.950264]  ? zap_class+0x640/0x640
[  218.953966]  ? enqueue_hrtimer+0x1a5/0x560
[  218.958189]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  218.963375]  ? find_held_lock+0x36/0x1c0
[  218.967428]  ? zap_class+0x640/0x640
[  218.971132]  ? pvclock_read_flags+0x160/0x160
[  218.975616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.981137]  ? check_preemption_disabled+0x48/0x280
[  218.986251]  ? __lock_is_held+0xb5/0x140
[  218.990301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.995847]  ? check_preemption_disabled+0x48/0x280
[  219.000853]  run_timer_softirq+0x52/0xb0
[  219.004898]  ? rcu_read_lock_sched_held+0x14f/0x180
[  219.009903]  __do_softirq+0x308/0xb7e
[  219.013705]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  219.018184]  ? lock_downgrade+0x900/0x900
[  219.022325]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  219.027418]  ? pvclock_read_flags+0x160/0x160
[  219.031904]  ? lapic_next_event+0x5a/0x90
[  219.036036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.041566]  ? kvm_clock_read+0x18/0x30
[  219.045526]  ? kvm_sched_clock_read+0x9/0x20
[  219.049923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.055628]  ? check_preemption_disabled+0x48/0x280
[  219.060637]  irq_exit+0x17f/0x1c0
[  219.064076]  smp_apic_timer_interrupt+0x1cb/0x760
[  219.068900]  ? smp_reschedule_interrupt+0x109/0x650
[  219.073993]  ? smp_call_function_single_interrupt+0x650/0x650
[  219.079969]  ? interrupt_entry+0xb5/0xc0
[  219.084017]  ? trace_hardirqs_off_caller+0xbb/0x310
[  219.089019]  ? trace_hardirqs_off_caller+0xbb/0x310
[  219.094020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.098935]  ? trace_hardirqs_on_caller+0x310/0x310
[  219.103935]  ? trace_hardirqs_on_caller+0x310/0x310
[  219.108937]  ? task_prio+0x50/0x50
[  219.112555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.118092]  ? check_preemption_disabled+0x48/0x280
[  219.123097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.127932]  apic_timer_interrupt+0xf/0x20
[  219.132327]  </IRQ>
[  219.134556] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  219.139474] 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
[  219.158458] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  219.166149] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  219.173403] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  219.180654] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  219.187915] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  219.195166] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  219.202447]  skb_clone+0x1bb/0x500
[  219.205992]  ? finish_task_switch+0x2f4/0x910
[  219.210472]  ? skb_split+0x11e0/0x11e0
[  219.214344]  ? preempt_notifier_register+0x200/0x200
[  219.219429]  ? __switch_to_asm+0x34/0x70
[  219.223471]  ? __switch_to_asm+0x34/0x70
[  219.227516]  ? __switch_to_asm+0x40/0x70
[  219.231567]  ? __switch_to_asm+0x34/0x70
[  219.235613]  ? __switch_to_asm+0x40/0x70
[  219.239666]  ? __switch_to_asm+0x34/0x70
[  219.243719]  ? __switch_to_asm+0x40/0x70
[  219.247763]  ? __switch_to_asm+0x34/0x70
[  219.251811]  ? __switch_to_asm+0x34/0x70
[  219.255853]  ? __switch_to_asm+0x40/0x70
[  219.259900]  ? __switch_to_asm+0x34/0x70
[  219.263948]  bpf_clone_redirect+0xb9/0x490
[  219.268166]  ? __schedule+0x8d7/0x21d0
[  219.272045]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  219.277053]  ? __sched_text_start+0x8/0x8
[  219.281189]  ? retint_kernel+0x2d/0x2d
[  219.285068]  ? trace_hardirqs_on_caller+0xc0/0x310
[  219.289997]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  219.294742]  ? find_held_lock+0x36/0x1c0
[  219.298793]  ? lock_acquire+0x1ed/0x520
[  219.302756]  ? bpf_test_run+0x3cb/0x780
[  219.306718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.312253]  ? check_preemption_disabled+0x48/0x280
[  219.317259]  ? kasan_check_read+0x11/0x20
[  219.321393]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  219.326662]  ? rcu_softirq_qs+0x20/0x20
[  219.330628]  ? preempt_schedule+0x4d/0x60
[  219.334773]  ? ___preempt_schedule+0x16/0x18
[  219.339170]  ? bpf_test_run+0x25d/0x780
[  219.343137]  ? netlink_diag_dump+0x2a0/0x2a0
[  219.347531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.353050]  ? bpf_test_init.isra.10+0x70/0x100
[  219.357707]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  219.362484]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  219.367311]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  219.372831]  ? fput+0x130/0x1a0
[  219.376095]  ? __bpf_prog_get+0x9b/0x290
[  219.380141]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  219.384967]  ? bpf_prog_test_run+0x130/0x1a0
[  219.389361]  ? __x64_sys_bpf+0x3d8/0x520
[  219.393409]  ? bpf_prog_get+0x20/0x20
[  219.397213]  ? do_syscall_64+0x1b9/0x820
[  219.401257]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  219.406605]  ? syscall_return_slowpath+0x5e0/0x5e0
[  219.411517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.416433]  ? trace_hardirqs_on_caller+0x310/0x310
[  219.421437]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  219.426442]  ? prepare_exit_to_usermode+0x291/0x3b0
[  219.431449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.436291]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  219.441662] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  219.441666] warn_alloc_show_mem: 1 callbacks suppressed
[  219.441671] Mem-Info:
[  219.448580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  219.448586] Call Trace:
[  219.453944] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  219.453944]  active_file:12 inactive_file:13 isolated_file:0
[  219.453944]  unevictable:0 dirty:0 writeback:0 unstable:0
[  219.453944]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  219.453944]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  219.453944]  free:13767 free_pcp:247 free_cma:0
[  219.456317]  dump_stack+0x244/0x39d
[  219.465677] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  219.468234]  ? dump_stack_print_info.cold.1+0x20/0x20
[  219.501251] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  219.504883]  warn_alloc.cold.116+0xb7/0x1bd
[  219.532522] lowmem_reserve[]: 0 2818 6321 6321
[  219.537707]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  219.563781] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  219.568084]  ? lock_downgrade+0x900/0x900
[  219.572622] lowmem_reserve[]: 0 0 3503 3503
[  219.577467]  ? trace_hardirqs_off+0xb8/0x310
[  219.605272] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  219.609404]  ? trace_hardirqs_off+0xb8/0x310
[  219.613686] lowmem_reserve[]: 0 0 0 0
[  219.618085]  __alloc_pages_slowpath+0x26e8/0x2e10
[  219.647018] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  219.651428]  ? warn_alloc+0x120/0x120
[  219.655169] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  219.659999]  ? print_usage_bug+0xc0/0xc0
[  219.673483] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  219.677270]  ? warn_alloc+0x120/0x120
[  219.692413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  219.696448]  ? zap_class+0x640/0x640
[  219.711676] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  219.715451]  ? warn_alloc+0x120/0x120
[  219.724251] 2041 total pagecache pages
[  219.728031]  ? print_usage_bug+0xc0/0xc0
[  219.736571] 0 pages in swap cache
[  219.740454]  ? print_usage_bug+0xc0/0xc0
[  219.744412] Swap cache stats: add 0, delete 0, find 0/0
[  219.748452]  ? __lock_acquire+0x62f/0x4c20
[  219.751872] Free swap  = 0kB
[  219.755910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.761231] Total swap = 0kB
[  219.761238] 1965979 pages RAM
[  219.765452]  ? should_fail+0x22d/0xd01
[  219.768432] 0 pages HighMem/MovableOnly
[  219.768438] 342854 pages reserved
[  219.773953]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.776934] 0 pages cma reserved
[  219.780040]  ? __lock_acquire+0x62f/0x4c20
[  219.783944] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  219.787846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.791329] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  219.796337]  ? __lock_acquire+0x62f/0x4c20
[  219.796350]  ? should_fail+0x22d/0xd01
[  219.799683] syz-executor3 cpuset=syz3 mems_allowed=0
[  219.803894]  ? find_held_lock+0x36/0x1c0
[  219.843085]  ? mark_held_locks+0x130/0x130
[  219.847317]  ? mark_held_locks+0x130/0x130
[  219.851538]  ? zap_class+0x640/0x640
[  219.855242]  ? zap_class+0x640/0x640
[  219.858945]  ? print_usage_bug+0xc0/0xc0
[  219.862987]  ? do_raw_spin_unlock+0xa7/0x330
[  219.867378]  ? zap_class+0x640/0x640
[  219.871206]  ? print_usage_bug+0xc0/0xc0
[  219.875253]  ? wq_watchdog_touch+0x9c/0xfe
[  219.879476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.885003]  ? check_preemption_disabled+0x48/0x280
[  219.890014]  ? __lock_is_held+0xb5/0x140
[  219.894067]  __alloc_pages_nodemask+0xa80/0xde0
[  219.898724]  ? zap_class+0x640/0x640
[  219.902425]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  219.907438]  ? find_held_lock+0x36/0x1c0
[  219.911494]  ? ____cache_alloc_node+0x1c7/0x1e0
[  219.916167]  ? lock_downgrade+0x900/0x900
[  219.920304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.925832]  cache_grow_begin+0xa5/0x8c0
[  219.929876]  ? do_raw_spin_unlock+0xa7/0x330
[  219.934274]  fallback_alloc+0x204/0x2e0
[  219.938250]  ____cache_alloc_node+0x1c7/0x1e0
[  219.942736]  kmem_cache_alloc_node+0xe3/0x730
[  219.947217]  ? ipv6_get_ifaddr+0x42e/0x620
[  219.951444]  __alloc_skb+0x119/0x770
[  219.955140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  219.960406]  ? netdev_alloc_frag+0x1f0/0x1f0
[  219.965083]  ? lock_downgrade+0x900/0x900
[  219.969230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.974752]  ? refcount_sub_and_test_checked+0x203/0x310
[  219.980189]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  219.985626]  ? addrconf_rs_timer+0x690/0x690
[  219.990027]  ndisc_alloc_skb+0x144/0x340
[  219.994080]  ndisc_send_rs+0x331/0x6e0
[  219.997957]  addrconf_rs_timer+0x314/0x690
[  220.002179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.006442]  call_timer_fn+0x272/0x920
[  220.010330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.014638]  ? process_timeout+0x40/0x40
[  220.018691]  ? __run_timers+0x7da/0xc70
[  220.022655]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.027156]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.031635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.035858]  ? lockdep_hardirqs_on+0x296/0x5b0
[  220.040430]  ? trace_hardirqs_on+0xbd/0x310
[  220.044738]  ? kasan_check_read+0x11/0x20
[  220.048870]  ? __run_timers+0x7da/0xc70
[  220.052831]  ? trace_hardirqs_off_caller+0x310/0x310
[  220.057922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.062147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.066381]  __run_timers+0x7e5/0xc70
[  220.070173]  ? timer_fixup_init+0x70/0x70
[  220.074306]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.078786]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.083271]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  220.087837]  ? trace_hardirqs_on+0xbd/0x310
[  220.092141]  ? kasan_check_read+0x11/0x20
[  220.096295]  ? finish_task_switch+0x1f4/0x910
[  220.100778]  ? trace_hardirqs_off_caller+0x310/0x310
[  220.105874]  ? compat_start_thread+0x80/0x80
[  220.110285]  ? pvclock_read_flags+0x160/0x160
[  220.114771]  ? __switch_to_asm+0x34/0x70
[  220.118818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.124345]  ? check_preemption_disabled+0x48/0x280
[  220.129353]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  220.134893]  ? rcu_pm_notify+0xc0/0xc0
[  220.138775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.144298]  ? check_preemption_disabled+0x48/0x280
[  220.149302]  run_timer_softirq+0x52/0xb0
[  220.153349]  ? rcu_read_lock_sched_held+0x14f/0x180
[  220.158352]  __do_softirq+0x308/0xb7e
[  220.162141]  ? trace_hardirqs_on_caller+0xc0/0x310
[  220.167062]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  220.172149]  ? trace_hardirqs_on+0x310/0x310
[  220.176545]  ? schedule+0x108/0x460
[  220.180172]  ? trace_hardirqs_off+0xb8/0x310
[  220.184570]  ? smpboot_thread_fn+0x68b/0xa00
[  220.188973]  ? trace_hardirqs_on+0x310/0x310
[  220.193382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.198913]  ? check_preemption_disabled+0x48/0x280
[  220.203915]  ? takeover_tasklets+0xa90/0xa90
[  220.208308]  run_ksoftirqd+0x5e/0x100
[  220.212100]  smpboot_thread_fn+0x68b/0xa00
[  220.216410]  ? sort_range+0x30/0x30
[  220.220024]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  220.225127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.230651]  ? __kthread_parkme+0xfb/0x1a0
[  220.234875]  ? sort_range+0x30/0x30
[  220.238488]  kthread+0x35a/0x440
[  220.241839]  ? kthread_stop+0x900/0x900
[  220.245799]  ret_from_fork+0x3a/0x50
[  220.249512] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  220.249601] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  220.256774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  220.256781] Call Trace:
[  220.263428] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  220.272583]  <IRQ>
[  220.275139] ksoftirqd/1 cpuset=/ mems_allowed=0
[  220.285431]  dump_stack+0x244/0x39d
[  220.295823]  ? dump_stack_print_info.cold.1+0x20/0x20
[  220.301009]  warn_alloc.cold.116+0xb7/0x1bd
[  220.305315]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  220.310149]  ? lock_downgrade+0x900/0x900
[  220.314287]  ? trace_hardirqs_off+0xb8/0x310
[  220.318683]  ? trace_hardirqs_off+0xb8/0x310
[  220.323084]  __alloc_pages_slowpath+0x26e8/0x2e10
[  220.327934]  ? warn_alloc+0x120/0x120
[  220.331728]  ? print_usage_bug+0xc0/0xc0
[  220.335772]  ? warn_alloc+0x120/0x120
[  220.339560]  ? warn_alloc+0x120/0x120
[  220.343358]  ? print_usage_bug+0xc0/0xc0
[  220.347403]  ? kvm_clock_read+0x18/0x30
[  220.351363]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  220.356366]  ? print_usage_bug+0xc0/0xc0
[  220.360414]  ? __lock_acquire+0x62f/0x4c20
[  220.364637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.370158]  ? should_fail+0x22d/0xd01
[  220.374030]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  220.379294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.384384]  ? __lock_acquire+0x62f/0x4c20
[  220.388610]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.393694]  ? __lock_acquire+0x62f/0x4c20
[  220.397915]  ? should_fail+0x22d/0xd01
[  220.401785]  ? rcu_irq_exit+0x1a2/0x390
[  220.405749]  ? mark_held_locks+0x130/0x130
[  220.409973]  ? mark_held_locks+0x130/0x130
[  220.414201]  ? mark_held_locks+0xc7/0x130
[  220.418334]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  220.423333]  ? zap_class+0x640/0x640
[  220.427033]  ? print_usage_bug+0xc0/0xc0
[  220.431084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.436610]  ? check_preemption_disabled+0x48/0x280
[  220.441639]  ? __lock_is_held+0xb5/0x140
[  220.445697]  __alloc_pages_nodemask+0xa80/0xde0
[  220.450351]  ? zap_class+0x640/0x640
[  220.454075]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  220.459100]  ? find_held_lock+0x36/0x1c0
[  220.463152]  ? ____cache_alloc_node+0x1c7/0x1e0
[  220.467807]  ? lock_downgrade+0x900/0x900
[  220.471947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.477475]  cache_grow_begin+0xa5/0x8c0
[  220.481521]  ? do_raw_spin_unlock+0xa7/0x330
[  220.485922]  fallback_alloc+0x204/0x2e0
[  220.489885]  ____cache_alloc_node+0x1c7/0x1e0
[  220.494370]  kmem_cache_alloc_node+0xe3/0x730
[  220.498849]  ? ipv6_get_ifaddr+0x42e/0x620
[  220.503079]  __alloc_skb+0x119/0x770
[  220.506780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  220.512069]  ? netdev_alloc_frag+0x1f0/0x1f0
[  220.516464]  ? lock_downgrade+0x900/0x900
[  220.520604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.526125]  ? refcount_sub_and_test_checked+0x203/0x310
[  220.531589]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  220.537024]  ? addrconf_rs_timer+0x690/0x690
[  220.541435]  ndisc_alloc_skb+0x144/0x340
[  220.545486]  ndisc_send_rs+0x331/0x6e0
[  220.549363]  addrconf_rs_timer+0x314/0x690
[  220.553594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.557822]  call_timer_fn+0x272/0x920
[  220.561695]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.565916]  ? process_timeout+0x40/0x40
[  220.569969]  ? __run_timers+0x7da/0xc70
[  220.573928]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.578409]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.582912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.587130]  ? lockdep_hardirqs_on+0x296/0x5b0
[  220.591706]  ? trace_hardirqs_on+0xbd/0x310
[  220.596016]  ? kasan_check_read+0x11/0x20
[  220.600152]  ? __run_timers+0x7da/0xc70
[  220.604114]  ? trace_hardirqs_off_caller+0x310/0x310
[  220.609219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.613440]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.617667]  __run_timers+0x7e5/0xc70
[  220.621462]  ? timer_fixup_init+0x70/0x70
[  220.625595]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  220.630596]  ? zap_class+0x640/0x640
[  220.634300]  ? enqueue_hrtimer+0x1a5/0x560
[  220.638519]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  220.643703]  ? find_held_lock+0x36/0x1c0
[  220.647752]  ? zap_class+0x640/0x640
[  220.651457]  ? pvclock_read_flags+0x160/0x160
[  220.655937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.661462]  ? check_preemption_disabled+0x48/0x280
[  220.666471]  ? __lock_is_held+0xb5/0x140
[  220.670518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.676043]  ? check_preemption_disabled+0x48/0x280
[  220.681047]  run_timer_softirq+0x52/0xb0
[  220.685096]  ? rcu_read_lock_sched_held+0x14f/0x180
[  220.690100]  __do_softirq+0x308/0xb7e
[  220.693891]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  220.698370]  ? lock_downgrade+0x900/0x900
[  220.702509]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  220.707622]  ? pvclock_read_flags+0x160/0x160
[  220.712108]  ? lapic_next_event+0x5a/0x90
[  220.716242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.721768]  ? kvm_clock_read+0x18/0x30
[  220.725731]  ? kvm_sched_clock_read+0x9/0x20
[  220.730131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.735651]  ? check_preemption_disabled+0x48/0x280
[  220.740660]  irq_exit+0x17f/0x1c0
[  220.744101]  smp_apic_timer_interrupt+0x1cb/0x760
[  220.748928]  ? smp_reschedule_interrupt+0x109/0x650
[  220.753935]  ? smp_call_function_single_interrupt+0x650/0x650
[  220.759801]  ? interrupt_entry+0xb5/0xc0
[  220.763848]  ? trace_hardirqs_off_caller+0xbb/0x310
[  220.768846]  ? trace_hardirqs_off_caller+0xbb/0x310
[  220.773848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.778675]  ? trace_hardirqs_on_caller+0x310/0x310
[  220.783677]  ? trace_hardirqs_on_caller+0x310/0x310
[  220.788790]  ? task_prio+0x50/0x50
[  220.792337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.797876]  ? check_preemption_disabled+0x48/0x280
[  220.802880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.807804]  apic_timer_interrupt+0xf/0x20
[  220.812017]  </IRQ>
[  220.814243] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  220.819159] 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
[  220.838158] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  220.845868] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  220.853122] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  220.860376] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  220.867634] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  220.874890] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  220.882257]  skb_clone+0x1bb/0x500
[  220.885789]  ? finish_task_switch+0x2f4/0x910
[  220.890362]  ? skb_split+0x11e0/0x11e0
[  220.894241]  ? preempt_notifier_register+0x200/0x200
[  220.899329]  ? __switch_to_asm+0x34/0x70
[  220.903375]  ? __switch_to_asm+0x34/0x70
[  220.907420]  ? __switch_to_asm+0x40/0x70
[  220.911462]  ? __switch_to_asm+0x34/0x70
[  220.915507]  ? __switch_to_asm+0x40/0x70
[  220.919561]  ? __switch_to_asm+0x34/0x70
[  220.923623]  ? __switch_to_asm+0x40/0x70
[  220.927670]  ? __switch_to_asm+0x34/0x70
[  220.931715]  ? __switch_to_asm+0x34/0x70
[  220.935761]  ? __switch_to_asm+0x40/0x70
[  220.939810]  ? __switch_to_asm+0x34/0x70
[  220.943859]  bpf_clone_redirect+0xb9/0x490
[  220.948164]  ? __schedule+0x8d7/0x21d0
[  220.952040]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  220.957042]  ? __sched_text_start+0x8/0x8
[  220.961174]  ? retint_kernel+0x2d/0x2d
[  220.965048]  ? trace_hardirqs_on_caller+0xc0/0x310
[  220.969962]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  220.974706]  ? find_held_lock+0x36/0x1c0
[  220.978761]  ? lock_acquire+0x1ed/0x520
[  220.982719]  ? bpf_test_run+0x3cb/0x780
[  220.986682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.992203]  ? check_preemption_disabled+0x48/0x280
[  220.997210]  ? kasan_check_read+0x11/0x20
[  221.001342]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  221.006606]  ? rcu_softirq_qs+0x20/0x20
[  221.010578]  ? preempt_schedule+0x4d/0x60
[  221.014709]  ? ___preempt_schedule+0x16/0x18
[  221.019110]  ? bpf_test_run+0x25d/0x780
[  221.023079]  ? netlink_diag_dump+0x2a0/0x2a0
[  221.027490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.033043]  ? bpf_test_init.isra.10+0x70/0x100
[  221.037701]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  221.042483]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  221.047322]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  221.052920]  ? fput+0x130/0x1a0
[  221.056187]  ? __bpf_prog_get+0x9b/0x290
[  221.060237]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  221.065149]  ? bpf_prog_test_run+0x130/0x1a0
[  221.069552]  ? __x64_sys_bpf+0x3d8/0x520
[  221.073621]  ? bpf_prog_get+0x20/0x20
[  221.077439]  ? do_syscall_64+0x1b9/0x820
[  221.081483]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  221.086837]  ? syscall_return_slowpath+0x5e0/0x5e0
[  221.091837]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.096668]  ? trace_hardirqs_on_caller+0x310/0x310
[  221.101669]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  221.106679]  ? prepare_exit_to_usermode+0x291/0x3b0
[  221.111686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.116525]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  221.121887] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  221.121891] warn_alloc_show_mem: 1 callbacks suppressed
[  221.121896] Mem-Info:
[  221.128901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  221.134384] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  221.134384]  active_file:12 inactive_file:13 isolated_file:0
[  221.134384]  unevictable:0 dirty:0 writeback:0 unstable:0
[  221.134384]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  221.134384]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  221.134384]  free:13767 free_pcp:247 free_cma:0
[  221.136758] Call Trace:
[  221.146118] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  221.179137]  dump_stack+0x244/0x39d
[  221.181682] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  221.209335]  ? dump_stack_print_info.cold.1+0x20/0x20
[  221.212921] lowmem_reserve[]: 0 2818 6321 6321
[  221.239036]  warn_alloc.cold.116+0xb7/0x1bd
[  221.244184] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  221.248746]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  221.253114] lowmem_reserve[]: 0 0 3503 3503
[  221.280947]  ? lock_downgrade+0x900/0x900
[  221.285754] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  221.290061]  ? trace_hardirqs_off+0xb8/0x310
[  221.294168] lowmem_reserve[]: 0 0 0 0
[  221.323215]  ? trace_hardirqs_off+0xb8/0x310
[  221.327583] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  221.331368]  __alloc_pages_slowpath+0x26e8/0x2e10
[  221.335734] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  221.349263]  ? warn_alloc+0x120/0x120
[  221.354053] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  221.369225]  ? print_usage_bug+0xc0/0xc0
[  221.373011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  221.388239]  ? warn_alloc+0x120/0x120
[  221.392272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  221.401082]  ? warn_alloc+0x120/0x120
[  221.404847] 2041 total pagecache pages
[  221.413399]  ? print_usage_bug+0xc0/0xc0
[  221.417171] 0 pages in swap cache
[  221.421031]  ? print_usage_bug+0xc0/0xc0
[  221.425052] Swap cache stats: add 0, delete 0, find 0/0
[  221.425058] Free swap  = 0kB
[  221.428505]  ? print_usage_bug+0xc0/0xc0
[  221.432530] Total swap = 0kB
[  221.432537] 1965979 pages RAM
[  221.437881]  ? __lock_acquire+0x62f/0x4c20
[  221.440861] 0 pages HighMem/MovableOnly
[  221.440868] 342854 pages reserved
[  221.444907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.447886] 0 pages cma reserved
[  221.447965] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  221.450978]  ? should_fail+0x22d/0xd01
[  221.450996]  ? ring_buffer_record_is_on+0xe1/0x130
[  221.451013]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.455257] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  221.459162]  ? __lock_acquire+0x62f/0x4c20
[  221.462583] syz-executor3 cpuset=syz3 mems_allowed=0
[  221.468098]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.516568]  ? __lock_acquire+0x62f/0x4c20
[  221.520792]  ? should_fail+0x22d/0xd01
[  221.524692]  ? mark_held_locks+0x130/0x130
[  221.528919]  ? mark_held_locks+0x130/0x130
[  221.533153]  ? lock_downgrade+0x900/0x900
[  221.537295]  ? zap_class+0x640/0x640
[  221.541005]  ? print_usage_bug+0xc0/0xc0
[  221.545074]  ? trace_hardirqs_off+0xb8/0x310
[  221.549479]  ? kasan_check_read+0x11/0x20
[  221.553615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.559140]  ? check_preemption_disabled+0x48/0x280
[  221.564147]  ? __lock_is_held+0xb5/0x140
[  221.568198]  __alloc_pages_nodemask+0xa80/0xde0
[  221.572854]  ? zap_class+0x640/0x640
[  221.576560]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  221.581573]  ? find_held_lock+0x36/0x1c0
[  221.585624]  ? ____cache_alloc_node+0x1c7/0x1e0
[  221.590283]  ? lock_downgrade+0x900/0x900
[  221.594523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.600051]  cache_grow_begin+0xa5/0x8c0
[  221.604097]  ? do_raw_spin_unlock+0xa7/0x330
[  221.608589]  fallback_alloc+0x204/0x2e0
[  221.612553]  ____cache_alloc_node+0x1c7/0x1e0
[  221.617039]  kmem_cache_alloc_node+0xe3/0x730
[  221.621519]  ? ipv6_get_ifaddr+0x42e/0x620
[  221.625749]  __alloc_skb+0x119/0x770
[  221.629448]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  221.634726]  ? netdev_alloc_frag+0x1f0/0x1f0
[  221.639126]  ? lock_downgrade+0x900/0x900
[  221.643268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.648804]  ? refcount_sub_and_test_checked+0x203/0x310
[  221.654244]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  221.659682]  ? addrconf_rs_timer+0x690/0x690
[  221.664086]  ndisc_alloc_skb+0x144/0x340
[  221.668133]  ndisc_send_rs+0x331/0x6e0
[  221.672009]  addrconf_rs_timer+0x314/0x690
[  221.676236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.680473]  call_timer_fn+0x272/0x920
[  221.684344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.688568]  ? process_timeout+0x40/0x40
[  221.692623]  ? __run_timers+0x7da/0xc70
[  221.696584]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.701066]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.705547]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.709773]  ? lockdep_hardirqs_on+0x296/0x5b0
[  221.714349]  ? trace_hardirqs_on+0xbd/0x310
[  221.718676]  ? kasan_check_read+0x11/0x20
[  221.722813]  ? __run_timers+0x7da/0xc70
[  221.726789]  ? trace_hardirqs_off_caller+0x310/0x310
[  221.731891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.736110]  __run_timers+0x7e5/0xc70
[  221.739903]  ? timer_fixup_init+0x70/0x70
[  221.744033]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.748511]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.752992]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  221.757562]  ? trace_hardirqs_on+0xbd/0x310
[  221.761871]  ? kasan_check_read+0x11/0x20
[  221.766006]  ? finish_task_switch+0x1f4/0x910
[  221.770490]  ? trace_hardirqs_off_caller+0x310/0x310
[  221.775583]  ? compat_start_thread+0x80/0x80
[  221.780099]  ? pvclock_read_flags+0x160/0x160
[  221.784581]  ? __switch_to_asm+0x34/0x70
[  221.788628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.794150]  ? check_preemption_disabled+0x48/0x280
[  221.799159]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  221.804686]  ? rcu_pm_notify+0xc0/0xc0
[  221.808560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.814083]  ? check_preemption_disabled+0x48/0x280
[  221.819090]  run_timer_softirq+0x52/0xb0
[  221.823140]  ? rcu_read_lock_sched_held+0x14f/0x180
[  221.828156]  __do_softirq+0x308/0xb7e
[  221.831945]  ? trace_hardirqs_on_caller+0xc0/0x310
[  221.836899]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  221.841987]  ? trace_hardirqs_on+0x310/0x310
[  221.846388]  ? schedule+0x108/0x460
[  221.850012]  ? trace_hardirqs_off+0xb8/0x310
[  221.854418]  ? smpboot_thread_fn+0x68b/0xa00
[  221.858821]  ? trace_hardirqs_on+0x310/0x310
[  221.863217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.868759]  ? check_preemption_disabled+0x48/0x280
[  221.873762]  ? takeover_tasklets+0xa90/0xa90
[  221.878159]  run_ksoftirqd+0x5e/0x100
[  221.881946]  smpboot_thread_fn+0x68b/0xa00
[  221.886174]  ? sort_range+0x30/0x30
[  221.889792]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  221.894898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.900422]  ? __kthread_parkme+0xfb/0x1a0
[  221.904650]  ? sort_range+0x30/0x30
[  221.908273]  kthread+0x35a/0x440
[  221.911640]  ? kthread_stop+0x900/0x900
[  221.915602]  ret_from_fork+0x3a/0x50
[  221.919319] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  221.919371] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  221.926573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  221.926579] Call Trace:
[  221.933105] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  221.942371]  <IRQ>
[  221.944927] ksoftirqd/1 cpuset=/ mems_allowed=0
[  221.955214]  dump_stack+0x244/0x39d
[  221.966096]  ? dump_stack_print_info.cold.1+0x20/0x20
[  221.971282]  warn_alloc.cold.116+0xb7/0x1bd
[  221.975589]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  221.980423]  ? lock_downgrade+0x900/0x900
[  221.984572]  ? trace_hardirqs_off+0xb8/0x310
[  221.988978]  ? trace_hardirqs_off+0xb8/0x310
[  221.993376]  __alloc_pages_slowpath+0x26e8/0x2e10
[  221.998224]  ? warn_alloc+0x120/0x120
[  222.002010]  ? print_usage_bug+0xc0/0xc0
[  222.006059]  ? warn_alloc+0x120/0x120
[  222.009847]  ? warn_alloc+0x120/0x120
[  222.013639]  ? print_usage_bug+0xc0/0xc0
[  222.017697]  ? print_usage_bug+0xc0/0xc0
[  222.021745]  ? __lock_acquire+0x62f/0x4c20
[  222.025987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.031510]  ? should_fail+0x22d/0xd01
[  222.035384]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.040475]  ? __lock_acquire+0x62f/0x4c20
[  222.044698]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.049784]  ? __lock_acquire+0x62f/0x4c20
[  222.054002]  ? should_fail+0x22d/0xd01
[  222.057877]  ? find_held_lock+0x36/0x1c0
[  222.061930]  ? mark_held_locks+0x130/0x130
[  222.066172]  ? mark_held_locks+0x130/0x130
[  222.070387]  ? zap_class+0x640/0x640
[  222.074084]  ? zap_class+0x640/0x640
[  222.077783]  ? print_usage_bug+0xc0/0xc0
[  222.081825]  ? do_raw_spin_unlock+0xa7/0x330
[  222.086220]  ? zap_class+0x640/0x640
[  222.089922]  ? print_usage_bug+0xc0/0xc0
[  222.093969]  ? wq_watchdog_touch+0x9c/0xfe
[  222.098194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.103717]  ? check_preemption_disabled+0x48/0x280
[  222.108730]  ? __lock_is_held+0xb5/0x140
[  222.112782]  __alloc_pages_nodemask+0xa80/0xde0
[  222.117444]  ? zap_class+0x640/0x640
[  222.121145]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  222.126156]  ? find_held_lock+0x36/0x1c0
[  222.130211]  ? ____cache_alloc_node+0x1c7/0x1e0
[  222.134867]  ? lock_downgrade+0x900/0x900
[  222.139005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.144533]  cache_grow_begin+0xa5/0x8c0
[  222.148579]  ? do_raw_spin_unlock+0xa7/0x330
[  222.152980]  fallback_alloc+0x204/0x2e0
[  222.156944]  ____cache_alloc_node+0x1c7/0x1e0
[  222.161443]  kmem_cache_alloc_node+0xe3/0x730
[  222.166023]  ? ipv6_get_ifaddr+0x42e/0x620
[  222.170252]  __alloc_skb+0x119/0x770
[  222.173961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  222.179246]  ? netdev_alloc_frag+0x1f0/0x1f0
[  222.183639]  ? lock_downgrade+0x900/0x900
[  222.187781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.193388]  ? refcount_sub_and_test_checked+0x203/0x310
[  222.198924]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  222.204357]  ? addrconf_rs_timer+0x690/0x690
[  222.208758]  ndisc_alloc_skb+0x144/0x340
[  222.212811]  ndisc_send_rs+0x331/0x6e0
[  222.216689]  addrconf_rs_timer+0x314/0x690
[  222.220914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.225139]  call_timer_fn+0x272/0x920
[  222.229097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.233319]  ? process_timeout+0x40/0x40
[  222.237372]  ? __run_timers+0x7da/0xc70
[  222.241332]  ? _raw_spin_unlock_irq+0x27/0x80
[  222.245814]  ? _raw_spin_unlock_irq+0x27/0x80
[  222.250294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.254515]  ? lockdep_hardirqs_on+0x296/0x5b0
[  222.259099]  ? trace_hardirqs_on+0xbd/0x310
[  222.263412]  ? kasan_check_read+0x11/0x20
[  222.267549]  ? __run_timers+0x7da/0xc70
[  222.271512]  ? trace_hardirqs_off_caller+0x310/0x310
[  222.276609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.280832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.285048]  __run_timers+0x7e5/0xc70
[  222.288839]  ? timer_fixup_init+0x70/0x70
[  222.292972]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  222.297975]  ? zap_class+0x640/0x640
[  222.301679]  ? enqueue_hrtimer+0x1a5/0x560
[  222.305900]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  222.311082]  ? find_held_lock+0x36/0x1c0
[  222.315130]  ? zap_class+0x640/0x640
[  222.318831]  ? pvclock_read_flags+0x160/0x160
[  222.323494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.329018]  ? check_preemption_disabled+0x48/0x280
[  222.334030]  ? __lock_is_held+0xb5/0x140
[  222.338078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.343600]  ? check_preemption_disabled+0x48/0x280
[  222.348612]  run_timer_softirq+0x52/0xb0
[  222.352751]  ? rcu_read_lock_sched_held+0x14f/0x180
[  222.357770]  __do_softirq+0x308/0xb7e
[  222.361562]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  222.366039]  ? lock_downgrade+0x900/0x900
[  222.370175]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  222.375266]  ? pvclock_read_flags+0x160/0x160
[  222.379751]  ? lapic_next_event+0x5a/0x90
[  222.383884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.389418]  ? kvm_clock_read+0x18/0x30
[  222.393381]  ? kvm_sched_clock_read+0x9/0x20
[  222.397783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.403303]  ? check_preemption_disabled+0x48/0x280
[  222.408312]  irq_exit+0x17f/0x1c0
[  222.411838]  smp_apic_timer_interrupt+0x1cb/0x760
[  222.416667]  ? smp_reschedule_interrupt+0x109/0x650
[  222.421668]  ? smp_call_function_single_interrupt+0x650/0x650
[  222.427538]  ? interrupt_entry+0xb5/0xc0
[  222.431590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.436605]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.441612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.446458]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.451464]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.456465]  ? task_prio+0x50/0x50
[  222.459992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.465517]  ? check_preemption_disabled+0x48/0x280
[  222.470540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.475371]  apic_timer_interrupt+0xf/0x20
[  222.479682]  </IRQ>
[  222.481908] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  222.486822] 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
[  222.505707] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  222.513405] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  222.520659] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  222.527913] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  222.535167] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  222.542420] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  222.549719]  skb_clone+0x1bb/0x500
[  222.553244]  ? finish_task_switch+0x2f4/0x910
[  222.557729]  ? skb_split+0x11e0/0x11e0
[  222.561605]  ? preempt_notifier_register+0x200/0x200
[  222.566688]  ? __switch_to_asm+0x34/0x70
[  222.570735]  ? __switch_to_asm+0x34/0x70
[  222.574779]  ? __switch_to_asm+0x40/0x70
[  222.578825]  ? __switch_to_asm+0x34/0x70
[  222.582867]  ? __switch_to_asm+0x40/0x70
[  222.586908]  ? __switch_to_asm+0x34/0x70
[  222.590951]  ? __switch_to_asm+0x40/0x70
[  222.595097]  ? __switch_to_asm+0x34/0x70
[  222.599142]  ? __switch_to_asm+0x34/0x70
[  222.603184]  ? __switch_to_asm+0x40/0x70
[  222.607225]  ? __switch_to_asm+0x34/0x70
[  222.611272]  bpf_clone_redirect+0xb9/0x490
[  222.615494]  ? __schedule+0x8d7/0x21d0
[  222.619379]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  222.624395]  ? __sched_text_start+0x8/0x8
[  222.628528]  ? retint_kernel+0x2d/0x2d
[  222.632404]  ? trace_hardirqs_on_caller+0xc0/0x310
[  222.637318]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  222.642062]  ? find_held_lock+0x36/0x1c0
[  222.646115]  ? lock_acquire+0x1ed/0x520
[  222.650072]  ? bpf_test_run+0x3cb/0x780
[  222.654040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.659565]  ? check_preemption_disabled+0x48/0x280
[  222.664569]  ? kasan_check_read+0x11/0x20
[  222.668704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  222.673965]  ? rcu_softirq_qs+0x20/0x20
[  222.677927]  ? preempt_schedule+0x4d/0x60
[  222.682060]  ? ___preempt_schedule+0x16/0x18
[  222.686463]  ? bpf_test_run+0x25d/0x780
[  222.690452]  ? netlink_diag_dump+0x2a0/0x2a0
[  222.694850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.700404]  ? bpf_test_init.isra.10+0x70/0x100
[  222.705064]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  222.709813]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  222.714642]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  222.720166]  ? fput+0x130/0x1a0
[  222.723436]  ? __bpf_prog_get+0x9b/0x290
[  222.727496]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  222.732325]  ? bpf_prog_test_run+0x130/0x1a0
[  222.736724]  ? __x64_sys_bpf+0x3d8/0x520
[  222.740774]  ? bpf_prog_get+0x20/0x20
[  222.744577]  ? do_syscall_64+0x1b9/0x820
[  222.748628]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  222.753981]  ? syscall_return_slowpath+0x5e0/0x5e0
[  222.758918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.763757]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.768767]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  222.773773]  ? prepare_exit_to_usermode+0x291/0x3b0
[  222.778787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.783633]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  222.788997] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  222.789001] warn_alloc_show_mem: 1 callbacks suppressed
[  222.789006] Mem-Info:
[  222.795909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  222.795915] Call Trace:
[  222.801269] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  222.801269]  active_file:12 inactive_file:13 isolated_file:0
[  222.801269]  unevictable:0 dirty:0 writeback:0 unstable:0
[  222.801269]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  222.801269]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  222.801269]  free:13767 free_pcp:247 free_cma:0
[  222.803645]  dump_stack+0x244/0x39d
[  222.812983] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  222.815546]  ? dump_stack_print_info.cold.1+0x20/0x20
[  222.848562] 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
[  222.852179]  warn_alloc.cold.116+0xb7/0x1bd
[  222.879803] lowmem_reserve[]: 0 2818 6321 6321
[  222.884998]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  222.911074] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  222.915383]  ? lock_downgrade+0x900/0x900
[  222.919923] lowmem_reserve[]: 0 0 3503 3503
[  222.924755]  ? trace_hardirqs_off+0xb8/0x310
[  222.952649] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  222.956794]  ? trace_hardirqs_off+0xb8/0x310
[  222.961075] lowmem_reserve[]: 0 0 0 0
[  222.965474]  __alloc_pages_slowpath+0x26e8/0x2e10
[  222.994405] 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
[  222.998816]  ? warn_alloc+0x120/0x120
[  223.002559] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  223.007388]  ? print_usage_bug+0xc0/0xc0
[  223.020961] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  223.024745]  ? warn_alloc+0x120/0x120
[  223.039887] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  223.043921]  ? warn_alloc+0x120/0x120
[  223.059144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  223.059151] 2041 total pagecache pages
[  223.062932]  ? print_usage_bug+0xc0/0xc0
[  223.071738] 0 pages in swap cache
[  223.075515]  ? print_usage_bug+0xc0/0xc0
[  223.084054] Swap cache stats: add 0, delete 0, find 0/0
[  223.084060] Free swap  = 0kB
[  223.087925]  ? __lock_acquire+0x62f/0x4c20
[  223.091952] Total swap = 0kB
[  223.095387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.099410] 1965979 pages RAM
[  223.104753]  ? should_fail+0x22d/0xd01
[  223.107733] 0 pages HighMem/MovableOnly
[  223.107739] 342854 pages reserved
[  223.111950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.114935] 0 pages cma reserved
[  223.120459]  ? __lock_acquire+0x62f/0x4c20
[  223.123619] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  223.127415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.131651] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  223.135319]  ? __lock_acquire+0x62f/0x4c20
[  223.140391] syz-executor3 cpuset=syz3 mems_allowed=0
[  223.143735]  ? should_fail+0x22d/0xd01
[  223.143749]  ? find_held_lock+0x36/0x1c0
[  223.187144]  ? mark_held_locks+0x130/0x130
[  223.191368]  ? mark_held_locks+0x130/0x130
[  223.195585]  ? zap_class+0x640/0x640
[  223.199290]  ? mark_held_locks+0xc7/0x130
[  223.203420]  ? do_raw_spin_unlock+0xa7/0x330
[  223.207814]  ? zap_class+0x640/0x640
[  223.211516]  ? print_usage_bug+0xc0/0xc0
[  223.215568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.221091]  ? check_preemption_disabled+0x48/0x280
[  223.226098]  ? __lock_is_held+0xb5/0x140
[  223.230154]  __alloc_pages_nodemask+0xa80/0xde0
[  223.234810]  ? zap_class+0x640/0x640
[  223.238511]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  223.243521]  ? find_held_lock+0x36/0x1c0
[  223.247577]  ? ____cache_alloc_node+0x1c7/0x1e0
[  223.252237]  ? lock_downgrade+0x900/0x900
[  223.256394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.261919]  cache_grow_begin+0xa5/0x8c0
[  223.265967]  ? do_raw_spin_unlock+0xa7/0x330
[  223.270366]  fallback_alloc+0x204/0x2e0
[  223.274339]  ____cache_alloc_node+0x1c7/0x1e0
[  223.278825]  kmem_cache_alloc_node+0xe3/0x730
[  223.283313]  ? ipv6_get_ifaddr+0x42e/0x620
[  223.287547]  __alloc_skb+0x119/0x770
[  223.291251]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  223.296521]  ? netdev_alloc_frag+0x1f0/0x1f0
[  223.300914]  ? lock_downgrade+0x900/0x900
[  223.305054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.310577]  ? refcount_sub_and_test_checked+0x203/0x310
[  223.316016]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  223.321454]  ? addrconf_rs_timer+0x690/0x690
[  223.325945]  ndisc_alloc_skb+0x144/0x340
[  223.329994]  ndisc_send_rs+0x331/0x6e0
[  223.333876]  addrconf_rs_timer+0x314/0x690
[  223.338100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.342341]  call_timer_fn+0x272/0x920
[  223.346210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.350428]  ? process_timeout+0x40/0x40
[  223.354478]  ? __run_timers+0x7da/0xc70
[  223.358445]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.362926]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.367404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.371718]  ? lockdep_hardirqs_on+0x296/0x5b0
[  223.376287]  ? trace_hardirqs_on+0xbd/0x310
[  223.380596]  ? kasan_check_read+0x11/0x20
[  223.384730]  ? __run_timers+0x7da/0xc70
[  223.388692]  ? trace_hardirqs_off_caller+0x310/0x310
[  223.393791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.398017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.402233]  __run_timers+0x7e5/0xc70
[  223.406024]  ? timer_fixup_init+0x70/0x70
[  223.410162]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.414643]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.419123]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  223.423691]  ? trace_hardirqs_on+0xbd/0x310
[  223.428011]  ? kasan_check_read+0x11/0x20
[  223.432143]  ? finish_task_switch+0x1f4/0x910
[  223.436625]  ? trace_hardirqs_off_caller+0x310/0x310
[  223.441712]  ? compat_start_thread+0x80/0x80
[  223.446125]  ? pvclock_read_flags+0x160/0x160
[  223.450603]  ? __switch_to_asm+0x34/0x70
[  223.454653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.460179]  ? check_preemption_disabled+0x48/0x280
[  223.465192]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  223.470715]  ? rcu_pm_notify+0xc0/0xc0
[  223.474587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.480110]  ? check_preemption_disabled+0x48/0x280
[  223.485202]  run_timer_softirq+0x52/0xb0
[  223.489249]  ? rcu_read_lock_sched_held+0x14f/0x180
[  223.494251]  __do_softirq+0x308/0xb7e
[  223.498042]  ? trace_hardirqs_on_caller+0xc0/0x310
[  223.502958]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  223.508149]  ? trace_hardirqs_on+0x310/0x310
[  223.512550]  ? schedule+0x108/0x460
[  223.516170]  ? trace_hardirqs_off+0xb8/0x310
[  223.520568]  ? smpboot_thread_fn+0x68b/0xa00
[  223.524961]  ? trace_hardirqs_on+0x310/0x310
[  223.529356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.534878]  ? check_preemption_disabled+0x48/0x280
[  223.539885]  ? takeover_tasklets+0xa90/0xa90
[  223.544279]  run_ksoftirqd+0x5e/0x100
[  223.548068]  smpboot_thread_fn+0x68b/0xa00
[  223.552292]  ? sort_range+0x30/0x30
[  223.555913]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  223.561003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.566527]  ? __kthread_parkme+0xfb/0x1a0
[  223.570765]  ? sort_range+0x30/0x30
[  223.574375]  kthread+0x35a/0x440
[  223.577729]  ? kthread_stop+0x900/0x900
[  223.581698]  ret_from_fork+0x3a/0x50
[  223.585411] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  223.585484] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  223.592667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  223.592672] Call Trace:
[  223.592676]  <IRQ>
[  223.592689]  dump_stack+0x244/0x39d
[  223.592704]  ? dump_stack_print_info.cold.1+0x20/0x20
[  223.599317] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  223.608591]  warn_alloc.cold.116+0xb7/0x1bd
[  223.611133] ksoftirqd/1 cpuset=/ mems_allowed=0
[  223.613284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  223.646103]  ? lock_downgrade+0x900/0x900
[  223.650244]  ? trace_hardirqs_off+0xb8/0x310
[  223.654644]  ? trace_hardirqs_off+0xb8/0x310
[  223.659044]  __alloc_pages_slowpath+0x26e8/0x2e10
[  223.663894]  ? warn_alloc+0x120/0x120
[  223.667681]  ? print_usage_bug+0xc0/0xc0
[  223.671728]  ? warn_alloc+0x120/0x120
[  223.675519]  ? warn_alloc+0x120/0x120
[  223.679317]  ? print_usage_bug+0xc0/0xc0
[  223.683377]  ? kvm_clock_read+0x18/0x30
[  223.687336]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  223.692341]  ? print_usage_bug+0xc0/0xc0
[  223.696388]  ? __lock_acquire+0x62f/0x4c20
[  223.700615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.706151]  ? should_fail+0x22d/0xd01
[  223.710023]  ? __lock_acquire+0x62f/0x4c20
[  223.714245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.719335]  ? __lock_acquire+0x62f/0x4c20
[  223.723557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.728647]  ? __lock_acquire+0x62f/0x4c20
[  223.732869]  ? should_fail+0x22d/0xd01
[  223.736750]  ? mark_held_locks+0x130/0x130
[  223.740973]  ? mark_held_locks+0x130/0x130
[  223.745199]  ? zap_class+0x640/0x640
[  223.748917]  ? print_usage_bug+0xc0/0xc0
[  223.752983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.758504]  ? check_preemption_disabled+0x48/0x280
[  223.763512]  ? __lock_is_held+0xb5/0x140
[  223.767561]  __alloc_pages_nodemask+0xa80/0xde0
[  223.772214]  ? zap_class+0x640/0x640
[  223.775914]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  223.780922]  ? find_held_lock+0x36/0x1c0
[  223.784976]  ? ____cache_alloc_node+0x1c7/0x1e0
[  223.789634]  ? lock_downgrade+0x900/0x900
[  223.793770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.799406]  cache_grow_begin+0xa5/0x8c0
[  223.803453]  ? do_raw_spin_unlock+0xa7/0x330
[  223.807850]  fallback_alloc+0x204/0x2e0
[  223.811813]  ____cache_alloc_node+0x1c7/0x1e0
[  223.816304]  kmem_cache_alloc_node+0xe3/0x730
[  223.820782]  ? ipv6_get_ifaddr+0x42e/0x620
[  223.825009]  __alloc_skb+0x119/0x770
[  223.828705]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  223.833969]  ? netdev_alloc_frag+0x1f0/0x1f0
[  223.838366]  ? lock_downgrade+0x900/0x900
[  223.842503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.848026]  ? refcount_sub_and_test_checked+0x203/0x310
[  223.853465]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  223.858901]  ? addrconf_rs_timer+0x690/0x690
[  223.863311]  ndisc_alloc_skb+0x144/0x340
[  223.867360]  ndisc_send_rs+0x331/0x6e0
[  223.871235]  addrconf_rs_timer+0x314/0x690
[  223.875467]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.879693]  call_timer_fn+0x272/0x920
[  223.883566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.887783]  ? process_timeout+0x40/0x40
[  223.891838]  ? __run_timers+0x7da/0xc70
[  223.895796]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.900279]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.904759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.908978]  ? lockdep_hardirqs_on+0x296/0x5b0
[  223.913544]  ? trace_hardirqs_on+0xbd/0x310
[  223.917852]  ? kasan_check_read+0x11/0x20
[  223.921984]  ? __run_timers+0x7da/0xc70
[  223.925946]  ? trace_hardirqs_off_caller+0x310/0x310
[  223.931040]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.935259]  __run_timers+0x7e5/0xc70
[  223.939077]  ? timer_fixup_init+0x70/0x70
[  223.943213]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  223.948217]  ? zap_class+0x640/0x640
[  223.951916]  ? enqueue_hrtimer+0x1a5/0x560
[  223.956137]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  223.961319]  ? find_held_lock+0x36/0x1c0
[  223.965867]  ? zap_class+0x640/0x640
[  223.969572]  ? pvclock_read_flags+0x160/0x160
[  223.974056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.979581]  ? check_preemption_disabled+0x48/0x280
[  223.984594]  ? __lock_is_held+0xb5/0x140
[  223.988654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.994178]  ? check_preemption_disabled+0x48/0x280
[  223.999280]  run_timer_softirq+0x52/0xb0
[  224.003331]  ? rcu_read_lock_sched_held+0x14f/0x180
[  224.008332]  __do_softirq+0x308/0xb7e
[  224.012234]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  224.016717]  ? lock_downgrade+0x900/0x900
[  224.020855]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  224.025950]  ? pvclock_read_flags+0x160/0x160
[  224.030432]  ? lapic_next_event+0x5a/0x90
[  224.034568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.040093]  ? kvm_clock_read+0x18/0x30
[  224.044053]  ? kvm_sched_clock_read+0x9/0x20
[  224.048446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.053967]  ? check_preemption_disabled+0x48/0x280
[  224.058974]  irq_exit+0x17f/0x1c0
[  224.062415]  smp_apic_timer_interrupt+0x1cb/0x760
[  224.067240]  ? smp_reschedule_interrupt+0x109/0x650
[  224.072258]  ? smp_call_function_single_interrupt+0x650/0x650
[  224.078242]  ? interrupt_entry+0xb5/0xc0
[  224.082298]  ? trace_hardirqs_off_caller+0xbb/0x310
[  224.087297]  ? trace_hardirqs_off_caller+0xbb/0x310
[  224.092299]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.097126]  ? trace_hardirqs_on_caller+0x310/0x310
[  224.102125]  ? trace_hardirqs_on_caller+0x310/0x310
[  224.107127]  ? task_prio+0x50/0x50
[  224.110652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.116172]  ? check_preemption_disabled+0x48/0x280
[  224.121179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.126022]  apic_timer_interrupt+0xf/0x20
[  224.130235]  </IRQ>
[  224.132468] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  224.137382] 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
[  224.156273] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  224.164001] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  224.171339] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  224.178591] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  224.185844] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  224.193098] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  224.200380]  skb_clone+0x1bb/0x500
[  224.203908]  ? finish_task_switch+0x2f4/0x910
[  224.208387]  ? skb_split+0x11e0/0x11e0
[  224.212270]  ? preempt_notifier_register+0x200/0x200
[  224.217358]  ? __switch_to_asm+0x34/0x70
[  224.221403]  ? __switch_to_asm+0x34/0x70
[  224.225449]  ? __switch_to_asm+0x40/0x70
[  224.229491]  ? __switch_to_asm+0x34/0x70
[  224.233538]  ? __switch_to_asm+0x40/0x70
[  224.237584]  ? __switch_to_asm+0x34/0x70
[  224.241627]  ? __switch_to_asm+0x40/0x70
[  224.245673]  ? __switch_to_asm+0x34/0x70
[  224.249718]  ? __switch_to_asm+0x34/0x70
[  224.253790]  ? __switch_to_asm+0x40/0x70
[  224.257851]  ? __switch_to_asm+0x34/0x70
[  224.261934]  bpf_clone_redirect+0xb9/0x490
[  224.266153]  ? __schedule+0x8d7/0x21d0
[  224.270031]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  224.275037]  ? __sched_text_start+0x8/0x8
[  224.279173]  ? retint_kernel+0x2d/0x2d
[  224.283047]  ? trace_hardirqs_on_caller+0xc0/0x310
[  224.287968]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  224.292715]  ? find_held_lock+0x36/0x1c0
[  224.296769]  ? lock_acquire+0x1ed/0x520
[  224.300741]  ? bpf_test_run+0x3cb/0x780
[  224.304699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.310223]  ? check_preemption_disabled+0x48/0x280
[  224.315243]  ? kasan_check_read+0x11/0x20
[  224.319383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  224.324665]  ? rcu_softirq_qs+0x20/0x20
[  224.328626]  ? preempt_schedule+0x4d/0x60
[  224.332762]  ? ___preempt_schedule+0x16/0x18
[  224.337162]  ? bpf_test_run+0x25d/0x780
[  224.341139]  ? netlink_diag_dump+0x2a0/0x2a0
[  224.345540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.351063]  ? bpf_test_init.isra.10+0x70/0x100
[  224.355722]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  224.360474]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  224.365313]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  224.370835]  ? fput+0x130/0x1a0
[  224.374098]  ? __bpf_prog_get+0x9b/0x290
[  224.378148]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  224.382977]  ? bpf_prog_test_run+0x130/0x1a0
[  224.387385]  ? __x64_sys_bpf+0x3d8/0x520
[  224.391436]  ? bpf_prog_get+0x20/0x20
[  224.395250]  ? do_syscall_64+0x1b9/0x820
[  224.399296]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  224.404649]  ? syscall_return_slowpath+0x5e0/0x5e0
[  224.409569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.414402]  ? trace_hardirqs_on_caller+0x310/0x310
[  224.419406]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  224.424411]  ? prepare_exit_to_usermode+0x291/0x3b0
[  224.429419]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.434261]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  224.439622] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  224.439626] warn_alloc_show_mem: 1 callbacks suppressed
[  224.439631] Mem-Info:
[  224.446537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  224.446543] Call Trace:
[  224.451903] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  224.451903]  active_file:12 inactive_file:13 isolated_file:0
[  224.451903]  unevictable:0 dirty:0 writeback:0 unstable:0
[  224.451903]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  224.451903]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  224.451903]  free:13767 free_pcp:247 free_cma:0
[  224.454279]  dump_stack+0x244/0x39d
[  224.463632] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  224.466194]  ? dump_stack_print_info.cold.1+0x20/0x20
[  224.499209] 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
[  224.502829]  warn_alloc.cold.116+0xb7/0x1bd
[  224.530634] lowmem_reserve[]: 0 2818 6321 6321
[  224.535814]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  224.561986] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  224.566292]  ? lock_downgrade+0x900/0x900
[  224.570832] lowmem_reserve[]: 0 0 3503 3503
[  224.575664]  ? trace_hardirqs_off+0xb8/0x310
[  224.603468] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  224.607600]  ? trace_hardirqs_off+0xb8/0x310
[  224.611879] lowmem_reserve[]: 0 0 0 0
[  224.616277]  __alloc_pages_slowpath+0x26e8/0x2e10
[  224.645297] 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
[  224.649704]  ? warn_alloc+0x120/0x120
[  224.653449] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  224.658280]  ? print_usage_bug+0xc0/0xc0
[  224.671762] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  224.675549]  ? warn_alloc+0x120/0x120
[  224.690690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  224.694729]  ? warn_alloc+0x120/0x120
[  224.709953] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  224.713737]  ? print_usage_bug+0xc0/0xc0
[  224.722535] 2041 total pagecache pages
[  224.726314]  ? print_usage_bug+0xc0/0xc0
[  224.734862] 0 pages in swap cache
[  224.738902]  ? __lock_acquire+0x62f/0x4c20
[  224.742754] Swap cache stats: add 0, delete 0, find 0/0
[  224.746791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.750212] Free swap  = 0kB
[  224.754427]  ? should_fail+0x22d/0xd01
[  224.759748] Total swap = 0kB
[  224.759754] 1965979 pages RAM
[  224.765268]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.768251] 0 pages HighMem/MovableOnly
[  224.768258] 342854 pages reserved
[  224.772121]  ? __lock_acquire+0x62f/0x4c20
[  224.775105] 0 pages cma reserved
[  224.778199]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.783402] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  224.787301]  ? __lock_acquire+0x62f/0x4c20
[  224.787314]  ? should_fail+0x22d/0xd01
[  224.790798] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  224.794946]  ? find_held_lock+0x36/0x1c0
[  224.798287] syz-executor3 cpuset=syz3 mems_allowed=0
[  224.803372]  ? mark_held_locks+0x130/0x130
[  224.841683]  ? mark_held_locks+0x130/0x130
[  224.845905]  ? zap_class+0x640/0x640
[  224.849605]  ? mark_held_locks+0xc7/0x130
[  224.853738]  ? do_raw_spin_unlock+0xa7/0x330
[  224.858130]  ? zap_class+0x640/0x640
[  224.861837]  ? print_usage_bug+0xc0/0xc0
[  224.865888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.871411]  ? check_preemption_disabled+0x48/0x280
[  224.876441]  ? __lock_is_held+0xb5/0x140
[  224.880492]  __alloc_pages_nodemask+0xa80/0xde0
[  224.885144]  ? zap_class+0x640/0x640
[  224.888846]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  224.893856]  ? find_held_lock+0x36/0x1c0
[  224.897912]  ? ____cache_alloc_node+0x1c7/0x1e0
[  224.902570]  ? lock_downgrade+0x900/0x900
[  224.906714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.912241]  cache_grow_begin+0xa5/0x8c0
[  224.916374]  ? do_raw_spin_unlock+0xa7/0x330
[  224.920774]  fallback_alloc+0x204/0x2e0
[  224.924744]  ____cache_alloc_node+0x1c7/0x1e0
[  224.929230]  kmem_cache_alloc_node+0xe3/0x730
[  224.933717]  ? ipv6_get_ifaddr+0x42e/0x620
[  224.937946]  __alloc_skb+0x119/0x770
[  224.941738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  224.947015]  ? netdev_alloc_frag+0x1f0/0x1f0
[  224.951413]  ? lock_downgrade+0x900/0x900
[  224.955555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.961088]  ? refcount_sub_and_test_checked+0x203/0x310
[  224.966527]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  224.971963]  ? addrconf_rs_timer+0x690/0x690
[  224.976365]  ndisc_alloc_skb+0x144/0x340
[  224.980426]  ndisc_send_rs+0x331/0x6e0
[  224.984306]  addrconf_rs_timer+0x314/0x690
[  224.988534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.992779]  call_timer_fn+0x272/0x920
[  224.996651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.000874]  ? process_timeout+0x40/0x40
[  225.004925]  ? __run_timers+0x7da/0xc70
[  225.008887]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.013366]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.017842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.022062]  ? lockdep_hardirqs_on+0x296/0x5b0
[  225.026645]  ? trace_hardirqs_on+0xbd/0x310
[  225.030952]  ? kasan_check_read+0x11/0x20
[  225.035100]  ? __run_timers+0x7da/0xc70
[  225.039087]  ? trace_hardirqs_off_caller+0x310/0x310
[  225.044189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.048415]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.052632]  __run_timers+0x7e5/0xc70
[  225.056429]  ? timer_fixup_init+0x70/0x70
[  225.060560]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.065039]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.069521]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  225.074089]  ? trace_hardirqs_on+0xbd/0x310
[  225.078395]  ? kasan_check_read+0x11/0x20
[  225.082531]  ? finish_task_switch+0x1f4/0x910
[  225.087013]  ? trace_hardirqs_off_caller+0x310/0x310
[  225.092098]  ? compat_start_thread+0x80/0x80
[  225.096508]  ? pvclock_read_flags+0x160/0x160
[  225.100984]  ? __switch_to_asm+0x34/0x70
[  225.105030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.110572]  ? check_preemption_disabled+0x48/0x280
[  225.115595]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  225.121116]  ? rcu_pm_notify+0xc0/0xc0
[  225.124993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.131013]  ? check_preemption_disabled+0x48/0x280
[  225.136020]  run_timer_softirq+0x52/0xb0
[  225.140067]  ? rcu_read_lock_sched_held+0x14f/0x180
[  225.145070]  __do_softirq+0x308/0xb7e
[  225.148873]  ? trace_hardirqs_on_caller+0xc0/0x310
[  225.153798]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  225.158895]  ? trace_hardirqs_on+0x310/0x310
[  225.163306]  ? schedule+0x108/0x460
[  225.166941]  ? trace_hardirqs_off+0xb8/0x310
[  225.171345]  ? smpboot_thread_fn+0x68b/0xa00
[  225.175760]  ? trace_hardirqs_on+0x310/0x310
[  225.180174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.185710]  ? check_preemption_disabled+0x48/0x280
[  225.190718]  ? takeover_tasklets+0xa90/0xa90
[  225.195121]  run_ksoftirqd+0x5e/0x100
[  225.198921]  smpboot_thread_fn+0x68b/0xa00
[  225.203153]  ? sort_range+0x30/0x30
[  225.206780]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  225.211875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.217488]  ? __kthread_parkme+0xfb/0x1a0
[  225.221718]  ? sort_range+0x30/0x30
[  225.225340]  kthread+0x35a/0x440
[  225.228701]  ? kthread_stop+0x900/0x900
[  225.232678]  ret_from_fork+0x3a/0x50
[  225.236403] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  225.236471] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  225.243668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  225.243673] Call Trace:
[  225.243679]  <IRQ>
[  225.243694]  dump_stack+0x244/0x39d
[  225.243713]  ? dump_stack_print_info.cold.1+0x20/0x20
[  225.250251] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  225.259535]  warn_alloc.cold.116+0xb7/0x1bd
[  225.262084] ksoftirqd/1 cpuset=/ mems_allowed=0
[  225.264222]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  225.297068]  ? lock_downgrade+0x900/0x900
[  225.301222]  ? trace_hardirqs_off+0xb8/0x310
[  225.305628]  ? trace_hardirqs_off+0xb8/0x310
[  225.310049]  __alloc_pages_slowpath+0x26e8/0x2e10
[  225.314902]  ? warn_alloc+0x120/0x120
[  225.318701]  ? print_usage_bug+0xc0/0xc0
[  225.322747]  ? warn_alloc+0x120/0x120
[  225.326540]  ? warn_alloc+0x120/0x120
[  225.330325]  ? print_usage_bug+0xc0/0xc0
[  225.334372]  ? kvm_clock_read+0x18/0x30
[  225.338333]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  225.343337]  ? print_usage_bug+0xc0/0xc0
[  225.347385]  ? __lock_acquire+0x62f/0x4c20
[  225.351606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.357127]  ? should_fail+0x22d/0xd01
[  225.361019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  225.366289]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.371466]  ? __lock_acquire+0x62f/0x4c20
[  225.375687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.380777]  ? __lock_acquire+0x62f/0x4c20
[  225.384995]  ? should_fail+0x22d/0xd01
[  225.388864]  ? rcu_irq_exit+0x1a2/0x390
[  225.392832]  ? mark_held_locks+0x130/0x130
[  225.397056]  ? mark_held_locks+0x130/0x130
[  225.401282]  ? mark_held_locks+0xc7/0x130
[  225.405418]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  225.410422]  ? zap_class+0x640/0x640
[  225.414137]  ? print_usage_bug+0xc0/0xc0
[  225.418195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.423716]  ? check_preemption_disabled+0x48/0x280
[  225.428812]  ? __lock_is_held+0xb5/0x140
[  225.432878]  __alloc_pages_nodemask+0xa80/0xde0
[  225.437538]  ? zap_class+0x640/0x640
[  225.441249]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  225.446267]  ? find_held_lock+0x36/0x1c0
[  225.450332]  ? ____cache_alloc_node+0x1c7/0x1e0
[  225.454993]  ? lock_downgrade+0x900/0x900
[  225.459147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.464686]  cache_grow_begin+0xa5/0x8c0
[  225.468736]  ? do_raw_spin_unlock+0xa7/0x330
[  225.473169]  fallback_alloc+0x204/0x2e0
[  225.477198]  ____cache_alloc_node+0x1c7/0x1e0
[  225.481687]  kmem_cache_alloc_node+0xe3/0x730
[  225.486183]  ? ipv6_get_ifaddr+0x42e/0x620
[  225.490421]  __alloc_skb+0x119/0x770
[  225.494126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  225.499410]  ? netdev_alloc_frag+0x1f0/0x1f0
[  225.503811]  ? lock_downgrade+0x900/0x900
[  225.507958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.513485]  ? refcount_sub_and_test_checked+0x203/0x310
[  225.518931]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  225.524383]  ? addrconf_rs_timer+0x690/0x690
[  225.528803]  ndisc_alloc_skb+0x144/0x340
[  225.532855]  ndisc_send_rs+0x331/0x6e0
[  225.536734]  addrconf_rs_timer+0x314/0x690
[  225.540960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.545190]  call_timer_fn+0x272/0x920
[  225.549066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.553288]  ? process_timeout+0x40/0x40
[  225.557343]  ? __run_timers+0x7da/0xc70
[  225.561306]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.565786]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.570266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.574487]  ? lockdep_hardirqs_on+0x296/0x5b0
[  225.579057]  ? trace_hardirqs_on+0xbd/0x310
[  225.583364]  ? kasan_check_read+0x11/0x20
[  225.587493]  ? __run_timers+0x7da/0xc70
[  225.591456]  ? trace_hardirqs_off_caller+0x310/0x310
[  225.596546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.600776]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.604996]  __run_timers+0x7e5/0xc70
[  225.608794]  ? timer_fixup_init+0x70/0x70
[  225.612932]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  225.617934]  ? zap_class+0x640/0x640
[  225.621645]  ? enqueue_hrtimer+0x1a5/0x560
[  225.625867]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  225.631049]  ? find_held_lock+0x36/0x1c0
[  225.635098]  ? zap_class+0x640/0x640
[  225.638806]  ? pvclock_read_flags+0x160/0x160
[  225.643289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.648813]  ? check_preemption_disabled+0x48/0x280
[  225.653825]  ? __lock_is_held+0xb5/0x140
[  225.657870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.663390]  ? check_preemption_disabled+0x48/0x280
[  225.668395]  run_timer_softirq+0x52/0xb0
[  225.672442]  ? rcu_read_lock_sched_held+0x14f/0x180
[  225.677444]  __do_softirq+0x308/0xb7e
[  225.681250]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  225.685732]  ? lock_downgrade+0x900/0x900
[  225.689870]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  225.694969]  ? pvclock_read_flags+0x160/0x160
[  225.699453]  ? lapic_next_event+0x5a/0x90
[  225.703590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.709151]  ? kvm_clock_read+0x18/0x30
[  225.713125]  ? kvm_sched_clock_read+0x9/0x20
[  225.717531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.723061]  ? check_preemption_disabled+0x48/0x280
[  225.728080]  irq_exit+0x17f/0x1c0
[  225.731524]  smp_apic_timer_interrupt+0x1cb/0x760
[  225.736866]  ? smp_reschedule_interrupt+0x109/0x650
[  225.741877]  ? smp_call_function_single_interrupt+0x650/0x650
[  225.747753]  ? interrupt_entry+0xb5/0xc0
[  225.751813]  ? trace_hardirqs_off_caller+0xbb/0x310
[  225.756820]  ? trace_hardirqs_off_caller+0xbb/0x310
[  225.761831]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.766669]  ? trace_hardirqs_on_caller+0x310/0x310
[  225.771676]  ? trace_hardirqs_on_caller+0x310/0x310
[  225.776688]  ? task_prio+0x50/0x50
[  225.780227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.785756]  ? check_preemption_disabled+0x48/0x280
[  225.790770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.795616]  apic_timer_interrupt+0xf/0x20
[  225.799836]  </IRQ>
[  225.802071] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  225.806994] 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
[  225.825888] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  225.833591] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  225.840853] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  225.848117] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  225.855382] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  225.862643] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  225.869936]  skb_clone+0x1bb/0x500
[  225.873469]  ? finish_task_switch+0x2f4/0x910
[  225.877960]  ? skb_split+0x11e0/0x11e0
[  225.881840]  ? preempt_notifier_register+0x200/0x200
[  225.886926]  ? __switch_to_asm+0x34/0x70
[  225.890977]  ? __switch_to_asm+0x34/0x70
[  225.895027]  ? __switch_to_asm+0x40/0x70
[  225.899074]  ? __switch_to_asm+0x34/0x70
[  225.903146]  ? __switch_to_asm+0x40/0x70
[  225.907191]  ? __switch_to_asm+0x34/0x70
[  225.911339]  ? __switch_to_asm+0x40/0x70
[  225.915388]  ? __switch_to_asm+0x34/0x70
[  225.919441]  ? __switch_to_asm+0x34/0x70
[  225.923489]  ? __switch_to_asm+0x40/0x70
[  225.927538]  ? __switch_to_asm+0x34/0x70
[  225.931593]  bpf_clone_redirect+0xb9/0x490
[  225.935819]  ? __schedule+0x8d7/0x21d0
[  225.939697]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  225.944715]  ? __sched_text_start+0x8/0x8
[  225.948849]  ? retint_kernel+0x2d/0x2d
[  225.952729]  ? trace_hardirqs_on_caller+0xc0/0x310
[  225.957646]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  225.962403]  ? find_held_lock+0x36/0x1c0
[  225.966912]  ? lock_acquire+0x1ed/0x520
[  225.970878]  ? bpf_test_run+0x3cb/0x780
[  225.974851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.980374]  ? check_preemption_disabled+0x48/0x280
[  225.985386]  ? kasan_check_read+0x11/0x20
[  225.989530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  225.994904]  ? rcu_softirq_qs+0x20/0x20
[  225.998871]  ? preempt_schedule+0x4d/0x60
[  226.003009]  ? ___preempt_schedule+0x16/0x18
[  226.007415]  ? bpf_test_run+0x25d/0x780
[  226.011393]  ? netlink_diag_dump+0x2a0/0x2a0
[  226.015793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.021314]  ? bpf_test_init.isra.10+0x70/0x100
[  226.025973]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  226.030752]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  226.035584]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  226.041127]  ? fput+0x130/0x1a0
[  226.044394]  ? __bpf_prog_get+0x9b/0x290
[  226.048443]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  226.053290]  ? bpf_prog_test_run+0x130/0x1a0
[  226.057692]  ? __x64_sys_bpf+0x3d8/0x520
[  226.061743]  ? bpf_prog_get+0x20/0x20
[  226.065550]  ? do_syscall_64+0x1b9/0x820
[  226.069597]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  226.074949]  ? syscall_return_slowpath+0x5e0/0x5e0
[  226.079867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.084696]  ? trace_hardirqs_on_caller+0x310/0x310
[  226.089732]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  226.094736]  ? prepare_exit_to_usermode+0x291/0x3b0
[  226.099742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.104575]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  226.109938] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  226.109942] warn_alloc_show_mem: 1 callbacks suppressed
[  226.109947] Mem-Info:
[  226.116855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.122205] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  226.122205]  active_file:12 inactive_file:13 isolated_file:0
[  226.122205]  unevictable:0 dirty:0 writeback:0 unstable:0
[  226.122205]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  226.122205]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  226.122205]  free:13767 free_pcp:247 free_cma:0
[  226.124572] Call Trace:
[  226.133933] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  226.166944]  dump_stack+0x244/0x39d
[  226.169494] 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
[  226.197147]  ? dump_stack_print_info.cold.1+0x20/0x20
[  226.200732] lowmem_reserve[]: 0 2818 6321 6321
[  226.226832]  warn_alloc.cold.116+0xb7/0x1bd
[  226.231981] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  226.236541]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.240820] lowmem_reserve[]: 0 0 3503 3503
[  226.268646]  ? lock_downgrade+0x900/0x900
[  226.273452] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  226.277764]  ? trace_hardirqs_off+0xb8/0x310
[  226.281870] lowmem_reserve[]: 0 0 0 0
[  226.310831]  ? trace_hardirqs_off+0xb8/0x310
[  226.315203] 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
[  226.318994]  __alloc_pages_slowpath+0x26e8/0x2e10
[  226.323358] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  226.336898]  ? warn_alloc+0x120/0x120
[  226.341686] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  226.356932]  ? print_usage_bug+0xc0/0xc0
[  226.360709] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  226.375939]  ? warn_alloc+0x120/0x120
[  226.379966] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  226.379972] 2041 total pagecache pages
[  226.388783]  ? warn_alloc+0x120/0x120
[  226.392553] 0 pages in swap cache
[  226.401101]  ? print_usage_bug+0xc0/0xc0
[  226.404949] Swap cache stats: add 0, delete 0, find 0/0
[  226.404955] Free swap  = 0kB
[  226.408737]  ? print_usage_bug+0xc0/0xc0
[  226.412155] Total swap = 0kB
[  226.412161] 1965979 pages RAM
[  226.416212]  ? __lock_acquire+0x62f/0x4c20
[  226.421534] 0 pages HighMem/MovableOnly
[  226.421540] 342854 pages reserved
[  226.424541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.428567] 0 pages cma reserved
[  226.428624] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.431590]  ? should_fail+0x22d/0xd01
[  226.431611]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.434730] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.438897]  ? __lock_acquire+0x62f/0x4c20
[  226.442839] syz-executor3 cpuset=syz3 mems_allowed=0
[  226.446290]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.495434]  ? __lock_acquire+0x62f/0x4c20
[  226.499652]  ? should_fail+0x22d/0xd01
[  226.503528]  ? find_held_lock+0x36/0x1c0
[  226.507589]  ? mark_held_locks+0x130/0x130
[  226.511817]  ? mark_held_locks+0x130/0x130
[  226.516036]  ? zap_class+0x640/0x640
[  226.519743]  ? mark_held_locks+0xc7/0x130
[  226.523874]  ? do_raw_spin_unlock+0xa7/0x330
[  226.528269]  ? zap_class+0x640/0x640
[  226.531981]  ? print_usage_bug+0xc0/0xc0
[  226.536034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.541569]  ? check_preemption_disabled+0x48/0x280
[  226.546581]  ? __lock_is_held+0xb5/0x140
[  226.550632]  __alloc_pages_nodemask+0xa80/0xde0
[  226.555287]  ? zap_class+0x640/0x640
[  226.558987]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  226.563994]  ? find_held_lock+0x36/0x1c0
[  226.568053]  ? ____cache_alloc_node+0x1c7/0x1e0
[  226.572707]  ? lock_downgrade+0x900/0x900
[  226.576848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.582374]  cache_grow_begin+0xa5/0x8c0
[  226.586418]  ? do_raw_spin_unlock+0xa7/0x330
[  226.590817]  fallback_alloc+0x204/0x2e0
[  226.594784]  ____cache_alloc_node+0x1c7/0x1e0
[  226.599266]  kmem_cache_alloc_node+0xe3/0x730
[  226.603761]  ? ipv6_get_ifaddr+0x42e/0x620
[  226.607992]  __alloc_skb+0x119/0x770
[  226.611689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  226.616954]  ? netdev_alloc_frag+0x1f0/0x1f0
[  226.621350]  ? lock_downgrade+0x900/0x900
[  226.625492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.631015]  ? refcount_sub_and_test_checked+0x203/0x310
[  226.636456]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  226.641888]  ? addrconf_rs_timer+0x690/0x690
[  226.646296]  ndisc_alloc_skb+0x144/0x340
[  226.650348]  ndisc_send_rs+0x331/0x6e0
[  226.654227]  addrconf_rs_timer+0x314/0x690
[  226.658449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.662675]  call_timer_fn+0x272/0x920
[  226.666546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.670771]  ? process_timeout+0x40/0x40
[  226.674822]  ? __run_timers+0x7da/0xc70
[  226.678781]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.683265]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.687744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.691965]  ? lockdep_hardirqs_on+0x296/0x5b0
[  226.696534]  ? trace_hardirqs_on+0xbd/0x310
[  226.700842]  ? kasan_check_read+0x11/0x20
[  226.704973]  ? __run_timers+0x7da/0xc70
[  226.708945]  ? trace_hardirqs_off_caller+0x310/0x310
[  226.714042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.718265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.722484]  __run_timers+0x7e5/0xc70
[  226.726280]  ? timer_fixup_init+0x70/0x70
[  226.730410]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.734892]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.739390]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  226.743974]  ? trace_hardirqs_on+0xbd/0x310
[  226.748285]  ? kasan_check_read+0x11/0x20
[  226.752422]  ? finish_task_switch+0x1f4/0x910
[  226.756905]  ? trace_hardirqs_off_caller+0x310/0x310
[  226.761996]  ? compat_start_thread+0x80/0x80
[  226.766432]  ? pvclock_read_flags+0x160/0x160
[  226.770911]  ? __switch_to_asm+0x34/0x70
[  226.774956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.780481]  ? check_preemption_disabled+0x48/0x280
[  226.785503]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  226.791032]  ? rcu_pm_notify+0xc0/0xc0
[  226.794930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.800452]  ? check_preemption_disabled+0x48/0x280
[  226.805461]  run_timer_softirq+0x52/0xb0
[  226.809505]  ? rcu_read_lock_sched_held+0x14f/0x180
[  226.814508]  __do_softirq+0x308/0xb7e
[  226.818295]  ? trace_hardirqs_on_caller+0xc0/0x310
[  226.823214]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  226.828301]  ? trace_hardirqs_on+0x310/0x310
[  226.832712]  ? schedule+0x108/0x460
[  226.836342]  ? trace_hardirqs_off+0xb8/0x310
[  226.840763]  ? smpboot_thread_fn+0x68b/0xa00
[  226.845166]  ? trace_hardirqs_on+0x310/0x310
[  226.849570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.855202]  ? check_preemption_disabled+0x48/0x280
[  226.860212]  ? takeover_tasklets+0xa90/0xa90
[  226.864609]  run_ksoftirqd+0x5e/0x100
[  226.868411]  smpboot_thread_fn+0x68b/0xa00
[  226.872634]  ? sort_range+0x30/0x30
[  226.876247]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  226.881343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.886866]  ? __kthread_parkme+0xfb/0x1a0
[  226.891088]  ? sort_range+0x30/0x30
[  226.894702]  kthread+0x35a/0x440
[  226.898056]  ? kthread_stop+0x900/0x900
[  226.902022]  ret_from_fork+0x3a/0x50
[  226.905750] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  226.905821] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.913008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.913013] Call Trace:
[  226.913027]  <IRQ>
[  226.913046]  dump_stack+0x244/0x39d
[  226.913064]  ? dump_stack_print_info.cold.1+0x20/0x20
[  226.919603] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.928878]  warn_alloc.cold.116+0xb7/0x1bd
[  226.931421] ksoftirqd/1 cpuset=/ mems_allowed=0
[  226.933553]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.966446]  ? lock_downgrade+0x900/0x900
[  226.970587]  ? trace_hardirqs_off+0xb8/0x310
[  226.974987]  ? trace_hardirqs_off+0xb8/0x310
[  226.979394]  __alloc_pages_slowpath+0x26e8/0x2e10
[  226.984250]  ? warn_alloc+0x120/0x120
[  226.988046]  ? print_usage_bug+0xc0/0xc0
[  226.992096]  ? warn_alloc+0x120/0x120
[  226.995883]  ? warn_alloc+0x120/0x120
[  226.999671]  ? print_usage_bug+0xc0/0xc0
[  227.003722]  ? print_usage_bug+0xc0/0xc0
[  227.007768]  ? __lock_acquire+0x62f/0x4c20
[  227.011990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.017516]  ? should_fail+0x22d/0xd01
[  227.021395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.026482]  ? __lock_acquire+0x62f/0x4c20
[  227.030705]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.035791]  ? __lock_acquire+0x62f/0x4c20
[  227.040019]  ? should_fail+0x22d/0xd01
[  227.043893]  ? find_held_lock+0x36/0x1c0
[  227.047946]  ? mark_held_locks+0x130/0x130
[  227.052167]  ? mark_held_locks+0x130/0x130
[  227.056404]  ? zap_class+0x640/0x640
[  227.060104]  ? zap_class+0x640/0x640
[  227.063805]  ? print_usage_bug+0xc0/0xc0
[  227.067851]  ? do_raw_spin_unlock+0xa7/0x330
[  227.072247]  ? zap_class+0x640/0x640
[  227.075975]  ? print_usage_bug+0xc0/0xc0
[  227.080031]  ? wq_watchdog_touch+0x9c/0xfe
[  227.084257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.089868]  ? check_preemption_disabled+0x48/0x280
[  227.094878]  ? __lock_is_held+0xb5/0x140
[  227.098929]  __alloc_pages_nodemask+0xa80/0xde0
[  227.103602]  ? zap_class+0x640/0x640
[  227.107304]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  227.112316]  ? find_held_lock+0x36/0x1c0
[  227.116387]  ? ____cache_alloc_node+0x1c7/0x1e0
[  227.121047]  ? lock_downgrade+0x900/0x900
[  227.125191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.130715]  cache_grow_begin+0xa5/0x8c0
[  227.134759]  ? do_raw_spin_unlock+0xa7/0x330
[  227.139164]  fallback_alloc+0x204/0x2e0
[  227.143132]  ____cache_alloc_node+0x1c7/0x1e0
[  227.147616]  kmem_cache_alloc_node+0xe3/0x730
[  227.152097]  ? ipv6_get_ifaddr+0x42e/0x620
[  227.156327]  __alloc_skb+0x119/0x770
[  227.160027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  227.165293]  ? netdev_alloc_frag+0x1f0/0x1f0
[  227.169685]  ? lock_downgrade+0x900/0x900
[  227.173822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.179353]  ? refcount_sub_and_test_checked+0x203/0x310
[  227.184794]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  227.190228]  ? addrconf_rs_timer+0x690/0x690
[  227.194631]  ndisc_alloc_skb+0x144/0x340
[  227.198679]  ndisc_send_rs+0x331/0x6e0
[  227.202554]  addrconf_rs_timer+0x314/0x690
[  227.206778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.211036]  call_timer_fn+0x272/0x920
[  227.214914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.219138]  ? process_timeout+0x40/0x40
[  227.223190]  ? __run_timers+0x7da/0xc70
[  227.227155]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.231635]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.236116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.240356]  ? lockdep_hardirqs_on+0x296/0x5b0
[  227.244930]  ? trace_hardirqs_on+0xbd/0x310
[  227.249240]  ? kasan_check_read+0x11/0x20
[  227.253372]  ? __run_timers+0x7da/0xc70
[  227.257330]  ? trace_hardirqs_off_caller+0x310/0x310
[  227.262425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.266653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.270874]  __run_timers+0x7e5/0xc70
[  227.274665]  ? timer_fixup_init+0x70/0x70
[  227.278810]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  227.283811]  ? zap_class+0x640/0x640
[  227.287511]  ? enqueue_hrtimer+0x1a5/0x560
[  227.291731]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  227.296912]  ? find_held_lock+0x36/0x1c0
[  227.300964]  ? zap_class+0x640/0x640
[  227.304674]  ? pvclock_read_flags+0x160/0x160
[  227.309160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.314690]  ? check_preemption_disabled+0x48/0x280
[  227.319712]  ? __lock_is_held+0xb5/0x140
[  227.323769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.329300]  ? check_preemption_disabled+0x48/0x280
[  227.334329]  run_timer_softirq+0x52/0xb0
[  227.338387]  ? rcu_read_lock_sched_held+0x14f/0x180
[  227.343411]  __do_softirq+0x308/0xb7e
[  227.347209]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  227.351698]  ? lock_downgrade+0x900/0x900
[  227.355840]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  227.360942]  ? pvclock_read_flags+0x160/0x160
[  227.365431]  ? lapic_next_event+0x5a/0x90
[  227.369584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.375117]  ? kvm_clock_read+0x18/0x30
[  227.379106]  ? kvm_sched_clock_read+0x9/0x20
[  227.383509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.389044]  ? check_preemption_disabled+0x48/0x280
[  227.394058]  irq_exit+0x17f/0x1c0
[  227.397502]  smp_apic_timer_interrupt+0x1cb/0x760
[  227.402331]  ? smp_reschedule_interrupt+0x109/0x650
[  227.407339]  ? smp_call_function_single_interrupt+0x650/0x650
[  227.413239]  ? interrupt_entry+0xb5/0xc0
[  227.417291]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.422297]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.427403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.432235]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.437265]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.442273]  ? task_prio+0x50/0x50
[  227.445809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.451332]  ? check_preemption_disabled+0x48/0x280
[  227.456335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.461184]  apic_timer_interrupt+0xf/0x20
[  227.465485]  </IRQ>
[  227.467713] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  227.472632] 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
[  227.491516] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  227.499205] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  227.506473] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  227.513726] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  227.520980] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  227.528236] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  227.535525]  skb_clone+0x1bb/0x500
[  227.539055]  ? finish_task_switch+0x2f4/0x910
[  227.543541]  ? skb_split+0x11e0/0x11e0
[  227.547418]  ? preempt_notifier_register+0x200/0x200
[  227.552505]  ? __switch_to_asm+0x34/0x70
[  227.556550]  ? __switch_to_asm+0x34/0x70
[  227.560595]  ? __switch_to_asm+0x40/0x70
[  227.564638]  ? __switch_to_asm+0x34/0x70
[  227.568684]  ? __switch_to_asm+0x40/0x70
[  227.572729]  ? __switch_to_asm+0x34/0x70
[  227.576772]  ? __switch_to_asm+0x40/0x70
[  227.580816]  ? __switch_to_asm+0x34/0x70
[  227.584863]  ? __switch_to_asm+0x34/0x70
[  227.588911]  ? __switch_to_asm+0x40/0x70
[  227.592986]  ? __switch_to_asm+0x34/0x70
[  227.597041]  bpf_clone_redirect+0xb9/0x490
[  227.601261]  ? __schedule+0x8d7/0x21d0
[  227.605140]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  227.610159]  ? __sched_text_start+0x8/0x8
[  227.614292]  ? retint_kernel+0x2d/0x2d
[  227.618169]  ? trace_hardirqs_on_caller+0xc0/0x310
[  227.623210]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  227.627965]  ? find_held_lock+0x36/0x1c0
[  227.632033]  ? lock_acquire+0x1ed/0x520
[  227.636002]  ? bpf_test_run+0x3cb/0x780
[  227.639970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.645504]  ? check_preemption_disabled+0x48/0x280
[  227.650514]  ? kasan_check_read+0x11/0x20
[  227.654649]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  227.659916]  ? rcu_softirq_qs+0x20/0x20
[  227.663883]  ? preempt_schedule+0x4d/0x60
[  227.668020]  ? ___preempt_schedule+0x16/0x18
[  227.672419]  ? bpf_test_run+0x25d/0x780
[  227.676397]  ? netlink_diag_dump+0x2a0/0x2a0
[  227.680803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.686333]  ? bpf_test_init.isra.10+0x70/0x100
[  227.691006]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  227.695760]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  227.700591]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  227.706123]  ? fput+0x130/0x1a0
[  227.709397]  ? __bpf_prog_get+0x9b/0x290
[  227.713457]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  227.718289]  ? bpf_prog_test_run+0x130/0x1a0
[  227.722694]  ? __x64_sys_bpf+0x3d8/0x520
[  227.726742]  ? bpf_prog_get+0x20/0x20
[  227.730544]  ? do_syscall_64+0x1b9/0x820
[  227.734594]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  227.739956]  ? syscall_return_slowpath+0x5e0/0x5e0
[  227.744888]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.749742]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.754749]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  227.759766]  ? prepare_exit_to_usermode+0x291/0x3b0
[  227.764779]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.769621]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  227.774994] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  227.774999] warn_alloc_show_mem: 1 callbacks suppressed
[  227.775004] Mem-Info:
[  227.782008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  227.787365] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  227.787365]  active_file:12 inactive_file:13 isolated_file:0
[  227.787365]  unevictable:0 dirty:0 writeback:0 unstable:0
[  227.787365]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  227.787365]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  227.787365]  free:13767 free_pcp:247 free_cma:0
[  227.789738] Call Trace:
[  227.799130] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  227.832259]  dump_stack+0x244/0x39d
[  227.834832] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  227.862484]  ? dump_stack_print_info.cold.1+0x20/0x20
[  227.866070] lowmem_reserve[]: 0 2818 6321 6321
[  227.892172]  warn_alloc.cold.116+0xb7/0x1bd
[  227.897427] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  227.901989]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  227.906271] lowmem_reserve[]: 0 0 3503 3503
[  227.934187]  ? lock_downgrade+0x900/0x900
[  227.938990] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  227.943333]  ? trace_hardirqs_off+0xb8/0x310
[  227.947441] lowmem_reserve[]: 0 0 0 0
[  227.976607]  ? trace_hardirqs_off+0xb8/0x310
[  227.980980] 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
[  227.984767]  __alloc_pages_slowpath+0x26e8/0x2e10
[  227.989129] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  228.002658]  ? warn_alloc+0x120/0x120
[  228.007445] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  228.022603]  ? print_usage_bug+0xc0/0xc0
[  228.026373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  228.041601]  ? warn_alloc+0x120/0x120
[  228.045632] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  228.054453]  ? warn_alloc+0x120/0x120
[  228.058214] 2041 total pagecache pages
[  228.066766]  ? print_usage_bug+0xc0/0xc0
[  228.070536] 0 pages in swap cache
[  228.074397]  ? print_usage_bug+0xc0/0xc0
[  228.078420] Swap cache stats: add 0, delete 0, find 0/0
[  228.078426] Free swap  = 0kB
[  228.081862]  ? __lock_acquire+0x62f/0x4c20
[  228.085883] Total swap = 0kB
[  228.085889] 1965979 pages RAM
[  228.091233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.094225] 0 pages HighMem/MovableOnly
[  228.094231] 342854 pages reserved
[  228.098448]  ? should_fail+0x22d/0xd01
[  228.101423] 0 pages cma reserved
[  228.101480] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.104520]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.110095] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.113983]  ? __lock_acquire+0x62f/0x4c20
[  228.117402] syz-executor3 cpuset=syz3 mems_allowed=0
[  228.121269]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.160967]  ? __lock_acquire+0x62f/0x4c20
[  228.165184]  ? should_fail+0x22d/0xd01
[  228.169057]  ? find_held_lock+0x36/0x1c0
[  228.173110]  ? mark_held_locks+0x130/0x130
[  228.177333]  ? mark_held_locks+0x130/0x130
[  228.181548]  ? zap_class+0x640/0x640
[  228.185250]  ? mark_held_locks+0xc7/0x130
[  228.189381]  ? do_raw_spin_unlock+0xa7/0x330
[  228.193776]  ? zap_class+0x640/0x640
[  228.197474]  ? print_usage_bug+0xc0/0xc0
[  228.201525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.207050]  ? check_preemption_disabled+0x48/0x280
[  228.212061]  ? __lock_is_held+0xb5/0x140
[  228.216117]  __alloc_pages_nodemask+0xa80/0xde0
[  228.220770]  ? zap_class+0x640/0x640
[  228.224470]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  228.229481]  ? find_held_lock+0x36/0x1c0
[  228.233533]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.238197]  ? lock_downgrade+0x900/0x900
[  228.242334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.247857]  cache_grow_begin+0xa5/0x8c0
[  228.251911]  ? do_raw_spin_unlock+0xa7/0x330
[  228.256311]  fallback_alloc+0x204/0x2e0
[  228.260278]  ____cache_alloc_node+0x1c7/0x1e0
[  228.264765]  kmem_cache_alloc_node+0xe3/0x730
[  228.269246]  ? ipv6_get_ifaddr+0x42e/0x620
[  228.273472]  __alloc_skb+0x119/0x770
[  228.277170]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  228.282436]  ? netdev_alloc_frag+0x1f0/0x1f0
[  228.286827]  ? lock_downgrade+0x900/0x900
[  228.290973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.296496]  ? refcount_sub_and_test_checked+0x203/0x310
[  228.301934]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  228.307370]  ? addrconf_rs_timer+0x690/0x690
[  228.311775]  ndisc_alloc_skb+0x144/0x340
[  228.315826]  ndisc_send_rs+0x331/0x6e0
[  228.319721]  addrconf_rs_timer+0x314/0x690
[  228.323944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.328175]  call_timer_fn+0x272/0x920
[  228.332048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.336362]  ? process_timeout+0x40/0x40
[  228.340412]  ? __run_timers+0x7da/0xc70
[  228.344379]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.348859]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.353340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.357682]  ? lockdep_hardirqs_on+0x296/0x5b0
[  228.362255]  ? trace_hardirqs_on+0xbd/0x310
[  228.366559]  ? kasan_check_read+0x11/0x20
[  228.370689]  ? __run_timers+0x7da/0xc70
[  228.374651]  ? trace_hardirqs_off_caller+0x310/0x310
[  228.379740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.383975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.388195]  __run_timers+0x7e5/0xc70
[  228.391992]  ? timer_fixup_init+0x70/0x70
[  228.396125]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.400709]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.405188]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  228.409759]  ? trace_hardirqs_on+0xbd/0x310
[  228.414069]  ? kasan_check_read+0x11/0x20
[  228.418201]  ? finish_task_switch+0x1f4/0x910
[  228.422680]  ? trace_hardirqs_off_caller+0x310/0x310
[  228.427765]  ? compat_start_thread+0x80/0x80
[  228.432173]  ? pvclock_read_flags+0x160/0x160
[  228.436656]  ? __switch_to_asm+0x34/0x70
[  228.440701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.446221]  ? check_preemption_disabled+0x48/0x280
[  228.451229]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  228.456751]  ? rcu_pm_notify+0xc0/0xc0
[  228.460626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.466148]  ? check_preemption_disabled+0x48/0x280
[  228.471154]  run_timer_softirq+0x52/0xb0
[  228.475199]  ? rcu_read_lock_sched_held+0x14f/0x180
[  228.480198]  __do_softirq+0x308/0xb7e
[  228.483988]  ? trace_hardirqs_on_caller+0xc0/0x310
[  228.488914]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  228.494006]  ? trace_hardirqs_on+0x310/0x310
[  228.498422]  ? schedule+0x108/0x460
[  228.502040]  ? trace_hardirqs_off+0xb8/0x310
[  228.506438]  ? smpboot_thread_fn+0x68b/0xa00
[  228.510842]  ? trace_hardirqs_on+0x310/0x310
[  228.515236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.520764]  ? check_preemption_disabled+0x48/0x280
[  228.525770]  ? takeover_tasklets+0xa90/0xa90
[  228.530181]  run_ksoftirqd+0x5e/0x100
[  228.533966]  smpboot_thread_fn+0x68b/0xa00
[  228.538194]  ? sort_range+0x30/0x30
[  228.541809]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.546903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.552442]  ? __kthread_parkme+0xfb/0x1a0
[  228.556668]  ? sort_range+0x30/0x30
[  228.560283]  kthread+0x35a/0x440
[  228.563642]  ? kthread_stop+0x900/0x900
[  228.567605]  ret_from_fork+0x3a/0x50
[  228.571318] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  228.571371] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.578576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.578583] Call Trace:
[  228.585119] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.594379]  <IRQ>
[  228.596941] ksoftirqd/1 cpuset=/ mems_allowed=0
[  228.607233]  dump_stack+0x244/0x39d
[  228.617614]  ? dump_stack_print_info.cold.1+0x20/0x20
[  228.622801]  warn_alloc.cold.116+0xb7/0x1bd
[  228.627111]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  228.631977]  ? lock_downgrade+0x900/0x900
[  228.636125]  ? trace_hardirqs_off+0xb8/0x310
[  228.640521]  ? trace_hardirqs_off+0xb8/0x310
[  228.644919]  __alloc_pages_slowpath+0x26e8/0x2e10
[  228.649768]  ? warn_alloc+0x120/0x120
[  228.653560]  ? print_usage_bug+0xc0/0xc0
[  228.657609]  ? warn_alloc+0x120/0x120
[  228.661396]  ? warn_alloc+0x120/0x120
[  228.665187]  ? print_usage_bug+0xc0/0xc0
[  228.669234]  ? kvm_clock_read+0x18/0x30
[  228.673205]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  228.678214]  ? print_usage_bug+0xc0/0xc0
[  228.682265]  ? __lock_acquire+0x62f/0x4c20
[  228.686505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.692030]  ? should_fail+0x22d/0xd01
[  228.695906]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  228.701168]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.706256]  ? __lock_acquire+0x62f/0x4c20
[  228.710479]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.715564]  ? __lock_acquire+0x62f/0x4c20
[  228.719794]  ? should_fail+0x22d/0xd01
[  228.723667]  ? rcu_irq_exit+0x1a2/0x390
[  228.727639]  ? mark_held_locks+0x130/0x130
[  228.731862]  ? mark_held_locks+0x130/0x130
[  228.736096]  ? mark_held_locks+0xc7/0x130
[  228.740234]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  228.745239]  ? zap_class+0x640/0x640
[  228.748937]  ? print_usage_bug+0xc0/0xc0
[  228.752987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.758511]  ? check_preemption_disabled+0x48/0x280
[  228.763521]  ? __lock_is_held+0xb5/0x140
[  228.767569]  __alloc_pages_nodemask+0xa80/0xde0
[  228.772228]  ? zap_class+0x640/0x640
[  228.775937]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  228.781048]  ? find_held_lock+0x36/0x1c0
[  228.785107]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.789766]  ? lock_downgrade+0x900/0x900
[  228.793905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.799428]  cache_grow_begin+0xa5/0x8c0
[  228.803476]  ? do_raw_spin_unlock+0xa7/0x330
[  228.807885]  fallback_alloc+0x204/0x2e0
[  228.811852]  ____cache_alloc_node+0x1c7/0x1e0
[  228.816345]  kmem_cache_alloc_node+0xe3/0x730
[  228.820824]  ? ipv6_get_ifaddr+0x42e/0x620
[  228.825050]  __alloc_skb+0x119/0x770
[  228.828747]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  228.834011]  ? netdev_alloc_frag+0x1f0/0x1f0
[  228.838402]  ? lock_downgrade+0x900/0x900
[  228.842541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.848061]  ? refcount_sub_and_test_checked+0x203/0x310
[  228.853498]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  228.858934]  ? addrconf_rs_timer+0x690/0x690
[  228.863346]  ndisc_alloc_skb+0x144/0x340
[  228.867393]  ndisc_send_rs+0x331/0x6e0
[  228.871272]  addrconf_rs_timer+0x314/0x690
[  228.875495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.879722]  call_timer_fn+0x272/0x920
[  228.883592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.887813]  ? process_timeout+0x40/0x40
[  228.891885]  ? __run_timers+0x7da/0xc70
[  228.895848]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.900336]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.904820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.909043]  ? lockdep_hardirqs_on+0x296/0x5b0
[  228.913611]  ? trace_hardirqs_on+0xbd/0x310
[  228.917916]  ? kasan_check_read+0x11/0x20
[  228.922065]  ? __run_timers+0x7da/0xc70
[  228.926023]  ? trace_hardirqs_off_caller+0x310/0x310
[  228.931127]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.935349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.939566]  __run_timers+0x7e5/0xc70
[  228.943358]  ? timer_fixup_init+0x70/0x70
[  228.947494]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  228.952495]  ? zap_class+0x640/0x640
[  228.956200]  ? enqueue_hrtimer+0x1a5/0x560
[  228.960420]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  228.965613]  ? find_held_lock+0x36/0x1c0
[  228.969666]  ? zap_class+0x640/0x640
[  228.973370]  ? pvclock_read_flags+0x160/0x160
[  228.977860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.983386]  ? check_preemption_disabled+0x48/0x280
[  228.988392]  ? __lock_is_held+0xb5/0x140
[  228.992438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.997965]  ? check_preemption_disabled+0x48/0x280
[  229.002988]  run_timer_softirq+0x52/0xb0
[  229.007036]  ? rcu_read_lock_sched_held+0x14f/0x180
[  229.012046]  __do_softirq+0x308/0xb7e
[  229.015836]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  229.020328]  ? lock_downgrade+0x900/0x900
[  229.024466]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  229.029557]  ? pvclock_read_flags+0x160/0x160
[  229.034039]  ? lapic_next_event+0x5a/0x90
[  229.038176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.043704]  ? kvm_clock_read+0x18/0x30
[  229.047660]  ? kvm_sched_clock_read+0x9/0x20
[  229.052053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.057577]  ? check_preemption_disabled+0x48/0x280
[  229.062587]  irq_exit+0x17f/0x1c0
[  229.066026]  smp_apic_timer_interrupt+0x1cb/0x760
[  229.070863]  ? smp_reschedule_interrupt+0x109/0x650
[  229.075870]  ? smp_call_function_single_interrupt+0x650/0x650
[  229.081737]  ? interrupt_entry+0xb5/0xc0
[  229.085782]  ? trace_hardirqs_off_caller+0xbb/0x310
[  229.090788]  ? trace_hardirqs_off_caller+0xbb/0x310
[  229.095797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.100625]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.105622]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.110624]  ? task_prio+0x50/0x50
[  229.114152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.119676]  ? check_preemption_disabled+0x48/0x280
[  229.124679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.129513]  apic_timer_interrupt+0xf/0x20
[  229.133916]  </IRQ>
[  229.136140] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  229.141054] 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
[  229.159945] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  229.167637] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  229.174892] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  229.182146] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  229.189398] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  229.196653] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  229.203936]  skb_clone+0x1bb/0x500
[  229.207462]  ? finish_task_switch+0x2f4/0x910
[  229.211944]  ? skb_split+0x11e0/0x11e0
[  229.215834]  ? preempt_notifier_register+0x200/0x200
[  229.220932]  ? __switch_to_asm+0x34/0x70
[  229.225004]  ? __switch_to_asm+0x34/0x70
[  229.229057]  ? __switch_to_asm+0x40/0x70
[  229.233107]  ? __switch_to_asm+0x34/0x70
[  229.237154]  ? __switch_to_asm+0x40/0x70
[  229.241205]  ? __switch_to_asm+0x34/0x70
[  229.245255]  ? __switch_to_asm+0x40/0x70
[  229.249318]  ? __switch_to_asm+0x34/0x70
[  229.253368]  ? __switch_to_asm+0x34/0x70
[  229.257416]  ? __switch_to_asm+0x40/0x70
[  229.261463]  ? __switch_to_asm+0x34/0x70
[  229.265518]  bpf_clone_redirect+0xb9/0x490
[  229.269744]  ? __schedule+0x8d7/0x21d0
[  229.273652]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  229.278664]  ? __sched_text_start+0x8/0x8
[  229.282803]  ? retint_kernel+0x2d/0x2d
[  229.286684]  ? trace_hardirqs_on_caller+0xc0/0x310
[  229.291602]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  229.296350]  ? find_held_lock+0x36/0x1c0
[  229.300405]  ? lock_acquire+0x1ed/0x520
[  229.304363]  ? bpf_test_run+0x3cb/0x780
[  229.308329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.313857]  ? check_preemption_disabled+0x48/0x280
[  229.318880]  ? kasan_check_read+0x11/0x20
[  229.323043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  229.328309]  ? rcu_softirq_qs+0x20/0x20
[  229.332272]  ? preempt_schedule+0x4d/0x60
[  229.336408]  ? ___preempt_schedule+0x16/0x18
[  229.340810]  ? bpf_test_run+0x25d/0x780
[  229.344790]  ? netlink_diag_dump+0x2a0/0x2a0
[  229.349199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.354724]  ? bpf_test_init.isra.10+0x70/0x100
[  229.359388]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  229.364161]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  229.368990]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  229.374514]  ? fput+0x130/0x1a0
[  229.377789]  ? __bpf_prog_get+0x9b/0x290
[  229.381854]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  229.386680]  ? bpf_prog_test_run+0x130/0x1a0
[  229.391080]  ? __x64_sys_bpf+0x3d8/0x520
[  229.395127]  ? bpf_prog_get+0x20/0x20
[  229.398929]  ? do_syscall_64+0x1b9/0x820
[  229.402991]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  229.408348]  ? syscall_return_slowpath+0x5e0/0x5e0
[  229.413266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.418097]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.423104]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  229.428105]  ? prepare_exit_to_usermode+0x291/0x3b0
[  229.433109]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.437939]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  229.443301] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  229.443304] warn_alloc_show_mem: 1 callbacks suppressed
[  229.443309] Mem-Info:
[  229.450216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  229.455570] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  229.455570]  active_file:12 inactive_file:13 isolated_file:0
[  229.455570]  unevictable:0 dirty:0 writeback:0 unstable:0
[  229.455570]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  229.455570]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  229.455570]  free:13767 free_pcp:247 free_cma:0
[  229.457933] Call Trace:
[  229.467297] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  229.500312]  dump_stack+0x244/0x39d
[  229.502860] 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
[  229.530509]  ? dump_stack_print_info.cold.1+0x20/0x20
[  229.534092] lowmem_reserve[]: 0 2818 6321 6321
[  229.560279]  warn_alloc.cold.116+0xb7/0x1bd
[  229.565517] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  229.570078]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  229.574398] lowmem_reserve[]: 0 0 3503 3503
[  229.602231]  ? lock_downgrade+0x900/0x900
[  229.607037] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  229.611346]  ? trace_hardirqs_off+0xb8/0x310
[  229.615450] lowmem_reserve[]: 0 0 0 0
[  229.644582]  ? trace_hardirqs_off+0xb8/0x310
[  229.648950] 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
[  229.652733]  __alloc_pages_slowpath+0x26e8/0x2e10
[  229.657100] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  229.670648]  ? warn_alloc+0x120/0x120
[  229.675432] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  229.690599]  ? print_usage_bug+0xc0/0xc0
[  229.694366] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  229.709598]  ? warn_alloc+0x120/0x120
[  229.713631] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  229.722537]  ? warn_alloc+0x120/0x120
[  229.726306] 2041 total pagecache pages
[  229.734859]  ? print_usage_bug+0xc0/0xc0
[  229.738629] 0 pages in swap cache
[  229.742492]  ? print_usage_bug+0xc0/0xc0
[  229.746521] Swap cache stats: add 0, delete 0, find 0/0
[  229.749955]  ? __lock_acquire+0x62f/0x4c20
[  229.753979] Free swap  = 0kB
[  229.759327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.763522] Total swap = 0kB
[  229.763528] 1965979 pages RAM
[  229.766540]  ? should_fail+0x22d/0xd01
[  229.772034] 0 pages HighMem/MovableOnly
[  229.772040] 342854 pages reserved
[  229.775047]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.778118] 0 pages cma reserved
[  229.782068]  ? __lock_acquire+0x62f/0x4c20
[  229.786058] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  229.789440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.789451]  ? __lock_acquire+0x62f/0x4c20
[  229.789463]  ? should_fail+0x22d/0xd01
[  229.794578] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.797878]  ? find_held_lock+0x36/0x1c0
[  229.802078] syz-executor3 cpuset=syz3 mems_allowed=0
[  229.808550]  ? mark_held_locks+0x130/0x130
[  229.845466]  ? mark_held_locks+0x130/0x130
[  229.849686]  ? zap_class+0x640/0x640
[  229.853387]  ? mark_held_locks+0xc7/0x130
[  229.857518]  ? do_raw_spin_unlock+0xa7/0x330
[  229.861910]  ? zap_class+0x640/0x640
[  229.865610]  ? print_usage_bug+0xc0/0xc0
[  229.869664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.875186]  ? check_preemption_disabled+0x48/0x280
[  229.880198]  ? __lock_is_held+0xb5/0x140
[  229.884247]  __alloc_pages_nodemask+0xa80/0xde0
[  229.888904]  ? zap_class+0x640/0x640
[  229.892605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  229.897614]  ? find_held_lock+0x36/0x1c0
[  229.901668]  ? ____cache_alloc_node+0x1c7/0x1e0
[  229.906324]  ? lock_downgrade+0x900/0x900
[  229.910462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.915990]  cache_grow_begin+0xa5/0x8c0
[  229.920036]  ? do_raw_spin_unlock+0xa7/0x330
[  229.924436]  fallback_alloc+0x204/0x2e0
[  229.928403]  ____cache_alloc_node+0x1c7/0x1e0
[  229.932888]  kmem_cache_alloc_node+0xe3/0x730
[  229.937370]  ? ipv6_get_ifaddr+0x42e/0x620
[  229.941596]  __alloc_skb+0x119/0x770
[  229.945299]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  229.950564]  ? netdev_alloc_frag+0x1f0/0x1f0
[  229.954958]  ? lock_downgrade+0x900/0x900
[  229.959095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.964848]  ? refcount_sub_and_test_checked+0x203/0x310
[  229.970290]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  229.975730]  ? addrconf_rs_timer+0x690/0x690
[  229.980136]  ndisc_alloc_skb+0x144/0x340
[  229.984189]  ndisc_send_rs+0x331/0x6e0
[  229.988066]  addrconf_rs_timer+0x314/0x690
[  229.992292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.996519]  call_timer_fn+0x272/0x920
[  230.000389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.004609]  ? process_timeout+0x40/0x40
[  230.008662]  ? __run_timers+0x7da/0xc70
[  230.012626]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.017105]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.021582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.025802]  ? lockdep_hardirqs_on+0x296/0x5b0
[  230.030374]  ? trace_hardirqs_on+0xbd/0x310
[  230.034682]  ? kasan_check_read+0x11/0x20
[  230.038817]  ? __run_timers+0x7da/0xc70
[  230.042785]  ? trace_hardirqs_off_caller+0x310/0x310
[  230.047876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.052098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.056319]  __run_timers+0x7e5/0xc70
[  230.060114]  ? timer_fixup_init+0x70/0x70
[  230.064244]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.068724]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.073203]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  230.077773]  ? trace_hardirqs_on+0xbd/0x310
[  230.082080]  ? kasan_check_read+0x11/0x20
[  230.086220]  ? finish_task_switch+0x1f4/0x910
[  230.090701]  ? trace_hardirqs_off_caller+0x310/0x310
[  230.095789]  ? compat_start_thread+0x80/0x80
[  230.100202]  ? pvclock_read_flags+0x160/0x160
[  230.104683]  ? __switch_to_asm+0x34/0x70
[  230.108733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.114263]  ? check_preemption_disabled+0x48/0x280
[  230.119278]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  230.124807]  ? rcu_pm_notify+0xc0/0xc0
[  230.128683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.134203]  ? check_preemption_disabled+0x48/0x280
[  230.139206]  run_timer_softirq+0x52/0xb0
[  230.143253]  ? rcu_read_lock_sched_held+0x14f/0x180
[  230.148254]  __do_softirq+0x308/0xb7e
[  230.152048]  ? trace_hardirqs_on_caller+0xc0/0x310
[  230.156965]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  230.162055]  ? trace_hardirqs_on+0x310/0x310
[  230.166453]  ? schedule+0x108/0x460
[  230.170074]  ? trace_hardirqs_off+0xb8/0x310
[  230.174469]  ? smpboot_thread_fn+0x68b/0xa00
[  230.178863]  ? trace_hardirqs_on+0x310/0x310
[  230.183260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.188789]  ? check_preemption_disabled+0x48/0x280
[  230.193795]  ? takeover_tasklets+0xa90/0xa90
[  230.198187]  run_ksoftirqd+0x5e/0x100
[  230.201972]  smpboot_thread_fn+0x68b/0xa00
[  230.206196]  ? sort_range+0x30/0x30
[  230.209807]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.214898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.220419]  ? __kthread_parkme+0xfb/0x1a0
[  230.224767]  ? sort_range+0x30/0x30
[  230.228378]  kthread+0x35a/0x440
[  230.231840]  ? kthread_stop+0x900/0x900
[  230.235799]  ret_from_fork+0x3a/0x50
[  230.239526] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  230.239584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  230.246782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  230.246788] Call Trace:
[  230.253374] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  230.262619]  <IRQ>
[  230.265177] ksoftirqd/1 cpuset=/ mems_allowed=0
[  230.275468]  dump_stack+0x244/0x39d
[  230.285853]  ? dump_stack_print_info.cold.1+0x20/0x20
[  230.291039]  warn_alloc.cold.116+0xb7/0x1bd
[  230.295349]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  230.300181]  ? lock_downgrade+0x900/0x900
[  230.304336]  ? trace_hardirqs_off+0xb8/0x310
[  230.308741]  ? trace_hardirqs_off+0xb8/0x310
[  230.313143]  __alloc_pages_slowpath+0x26e8/0x2e10
[  230.317990]  ? warn_alloc+0x120/0x120
[  230.321777]  ? print_usage_bug+0xc0/0xc0
[  230.325833]  ? warn_alloc+0x120/0x120
[  230.329621]  ? warn_alloc+0x120/0x120
[  230.333409]  ? print_usage_bug+0xc0/0xc0
[  230.337461]  ? print_usage_bug+0xc0/0xc0
[  230.341506]  ? __lock_acquire+0x62f/0x4c20
[  230.345738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.351261]  ? should_fail+0x22d/0xd01
[  230.355138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.360228]  ? __lock_acquire+0x62f/0x4c20
[  230.364454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.369541]  ? __lock_acquire+0x62f/0x4c20
[  230.373766]  ? should_fail+0x22d/0xd01
[  230.377640]  ? find_held_lock+0x36/0x1c0
[  230.381698]  ? mark_held_locks+0x130/0x130
[  230.385936]  ? mark_held_locks+0x130/0x130
[  230.390158]  ? zap_class+0x640/0x640
[  230.393856]  ? zap_class+0x640/0x640
[  230.397559]  ? print_usage_bug+0xc0/0xc0
[  230.401602]  ? do_raw_spin_unlock+0xa7/0x330
[  230.405992]  ? zap_class+0x640/0x640
[  230.409691]  ? print_usage_bug+0xc0/0xc0
[  230.413746]  ? wq_watchdog_touch+0x9c/0xfe
[  230.417971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.423495]  ? check_preemption_disabled+0x48/0x280
[  230.428503]  ? __lock_is_held+0xb5/0x140
[  230.432554]  __alloc_pages_nodemask+0xa80/0xde0
[  230.437207]  ? zap_class+0x640/0x640
[  230.440911]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  230.445940]  ? find_held_lock+0x36/0x1c0
[  230.449996]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.454648]  ? lock_downgrade+0x900/0x900
[  230.458787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.464313]  cache_grow_begin+0xa5/0x8c0
[  230.468361]  ? do_raw_spin_unlock+0xa7/0x330
[  230.472765]  fallback_alloc+0x204/0x2e0
[  230.476732]  ____cache_alloc_node+0x1c7/0x1e0
[  230.481219]  kmem_cache_alloc_node+0xe3/0x730
[  230.485698]  ? ipv6_get_ifaddr+0x42e/0x620
[  230.490020]  __alloc_skb+0x119/0x770
[  230.493716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  230.498992]  ? netdev_alloc_frag+0x1f0/0x1f0
[  230.503384]  ? lock_downgrade+0x900/0x900
[  230.507521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.513047]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.518483]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.523919]  ? addrconf_rs_timer+0x690/0x690
[  230.528321]  ndisc_alloc_skb+0x144/0x340
[  230.532466]  ndisc_send_rs+0x331/0x6e0
[  230.536343]  addrconf_rs_timer+0x314/0x690
[  230.540565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.544792]  call_timer_fn+0x272/0x920
[  230.548665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.552973]  ? process_timeout+0x40/0x40
[  230.557027]  ? __run_timers+0x7da/0xc70
[  230.560989]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.565568]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.570045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.574265]  ? lockdep_hardirqs_on+0x296/0x5b0
[  230.578920]  ? trace_hardirqs_on+0xbd/0x310
[  230.583224]  ? kasan_check_read+0x11/0x20
[  230.587358]  ? __run_timers+0x7da/0xc70
[  230.591316]  ? trace_hardirqs_off_caller+0x310/0x310
[  230.596503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.600737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.604965]  __run_timers+0x7e5/0xc70
[  230.608761]  ? timer_fixup_init+0x70/0x70
[  230.612893]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  230.617893]  ? zap_class+0x640/0x640
[  230.621609]  ? enqueue_hrtimer+0x1a5/0x560
[  230.625846]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  230.631027]  ? find_held_lock+0x36/0x1c0
[  230.635078]  ? zap_class+0x640/0x640
[  230.638779]  ? pvclock_read_flags+0x160/0x160
[  230.643258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.648783]  ? check_preemption_disabled+0x48/0x280
[  230.653790]  ? __lock_is_held+0xb5/0x140
[  230.657839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.663361]  ? check_preemption_disabled+0x48/0x280
[  230.668363]  run_timer_softirq+0x52/0xb0
[  230.672410]  ? rcu_read_lock_sched_held+0x14f/0x180
[  230.677412]  __do_softirq+0x308/0xb7e
[  230.681202]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  230.685685]  ? lock_downgrade+0x900/0x900
[  230.689826]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  230.694920]  ? pvclock_read_flags+0x160/0x160
[  230.699403]  ? lapic_next_event+0x5a/0x90
[  230.703535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.709058]  ? kvm_clock_read+0x18/0x30
[  230.713021]  ? kvm_sched_clock_read+0x9/0x20
[  230.717414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.722936]  ? check_preemption_disabled+0x48/0x280
[  230.727943]  irq_exit+0x17f/0x1c0
[  230.731380]  smp_apic_timer_interrupt+0x1cb/0x760
[  230.736208]  ? smp_reschedule_interrupt+0x109/0x650
[  230.741211]  ? smp_call_function_single_interrupt+0x650/0x650
[  230.747100]  ? interrupt_entry+0xb5/0xc0
[  230.751147]  ? trace_hardirqs_off_caller+0xbb/0x310
[  230.756148]  ? trace_hardirqs_off_caller+0xbb/0x310
[  230.761171]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.765999]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.771017]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.776030]  ? task_prio+0x50/0x50
[  230.779569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.785111]  ? check_preemption_disabled+0x48/0x280
[  230.790127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.794974]  apic_timer_interrupt+0xf/0x20
[  230.799199]  </IRQ>
[  230.801435] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  230.806358] 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
[  230.825249] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  230.832947] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  230.840209] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  230.847475] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  230.854736] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  230.861997] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  230.869297]  skb_clone+0x1bb/0x500
[  230.872833]  ? finish_task_switch+0x2f4/0x910
[  230.877323]  ? skb_split+0x11e0/0x11e0
[  230.881208]  ? preempt_notifier_register+0x200/0x200
[  230.886305]  ? __switch_to_asm+0x34/0x70
[  230.890360]  ? __switch_to_asm+0x34/0x70
[  230.894412]  ? __switch_to_asm+0x40/0x70
[  230.898466]  ? __switch_to_asm+0x34/0x70
[  230.902519]  ? __switch_to_asm+0x40/0x70
[  230.906570]  ? __switch_to_asm+0x34/0x70
[  230.910620]  ? __switch_to_asm+0x40/0x70
[  230.914671]  ? __switch_to_asm+0x34/0x70
[  230.918732]  ? __switch_to_asm+0x34/0x70
[  230.922785]  ? __switch_to_asm+0x40/0x70
[  230.926835]  ? __switch_to_asm+0x34/0x70
[  230.930895]  bpf_clone_redirect+0xb9/0x490
[  230.935128]  ? __schedule+0x8d7/0x21d0
[  230.939026]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  230.944037]  ? __sched_text_start+0x8/0x8
[  230.948181]  ? retint_kernel+0x2d/0x2d
[  230.952063]  ? trace_hardirqs_on_caller+0xc0/0x310
[  230.956998]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  230.961753]  ? find_held_lock+0x36/0x1c0
[  230.965814]  ? lock_acquire+0x1ed/0x520
[  230.969784]  ? bpf_test_run+0x3cb/0x780
[  230.973758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.979294]  ? check_preemption_disabled+0x48/0x280
[  230.984310]  ? kasan_check_read+0x11/0x20
[  230.988449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  230.993725]  ? rcu_softirq_qs+0x20/0x20
[  230.997709]  ? preempt_schedule+0x4d/0x60
[  231.001853]  ? ___preempt_schedule+0x16/0x18
[  231.006271]  ? bpf_test_run+0x25d/0x780
[  231.010251]  ? netlink_diag_dump+0x2a0/0x2a0
[  231.014656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.020202]  ? bpf_test_init.isra.10+0x70/0x100
[  231.024874]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  231.029637]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  231.034471]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  231.040000]  ? fput+0x130/0x1a0
[  231.043273]  ? __bpf_prog_get+0x9b/0x290
[  231.047334]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  231.052168]  ? bpf_prog_test_run+0x130/0x1a0
[  231.056572]  ? __x64_sys_bpf+0x3d8/0x520
[  231.060629]  ? bpf_prog_get+0x20/0x20
[  231.064439]  ? do_syscall_64+0x1b9/0x820
[  231.068494]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  231.073855]  ? syscall_return_slowpath+0x5e0/0x5e0
[  231.078777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.083613]  ? trace_hardirqs_on_caller+0x310/0x310
[  231.088622]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  231.093626]  ? prepare_exit_to_usermode+0x291/0x3b0
[  231.098633]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.103466]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  231.108824] warn_alloc_show_mem: 1 callbacks suppressed
[  231.108832] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  231.108833] Mem-Info:
[  231.108860] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  231.108860]  active_file:12 inactive_file:13 isolated_file:0
[  231.108860]  unevictable:0 dirty:0 writeback:0 unstable:0
[  231.108860]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  231.108860]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  231.108860]  free:13767 free_pcp:247 free_cma:0
[  231.114192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  231.121103] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  231.123499] Call Trace:
[  231.156745] 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
[  231.166106]  dump_stack+0x244/0x39d
[  231.193735] lowmem_reserve[]: 0 2818 6321 6321
[  231.196307]  ? dump_stack_print_info.cold.1+0x20/0x20
[  231.222377] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  231.225992]  warn_alloc.cold.116+0xb7/0x1bd
[  231.230529] lowmem_reserve[]: 0 0 3503 3503
[  231.235704]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  231.263511] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  231.267814]  ? lock_downgrade+0x900/0x900
[  231.272094] lowmem_reserve[]: 0 0 0 0
[  231.276926]  ? trace_hardirqs_off+0xb8/0x310
[  231.305857] 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
[  231.309992]  ? trace_hardirqs_off+0xb8/0x310
[  231.313757] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  231.318151]  __alloc_pages_slowpath+0x26e8/0x2e10
[  231.331629] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  231.336051]  ? warn_alloc+0x120/0x120
[  231.351172] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  231.351183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  231.355999]  ? print_usage_bug+0xc0/0xc0
[  231.371222] 2041 total pagecache pages
[  231.375010]  ? warn_alloc+0x120/0x120
[  231.383816] 0 pages in swap cache
[  231.392363]  ? warn_alloc+0x120/0x120
[  231.396387] Swap cache stats: add 0, delete 0, find 0/0
[  231.396394] Free swap  = 0kB
[  231.400260]  ? print_usage_bug+0xc0/0xc0
[  231.404020] Total swap = 0kB
[  231.404027] 1965979 pages RAM
[  231.407460]  ? print_usage_bug+0xc0/0xc0
[  231.411236] 0 pages HighMem/MovableOnly
[  231.411242] 342854 pages reserved
[  231.416584]  ? __lock_acquire+0x62f/0x4c20
[  231.419567] 0 pages cma reserved
[  231.423606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.426637] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.429668]  ? should_fail+0x22d/0xd01
[  231.429683]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.429698]  ? __lock_acquire+0x62f/0x4c20
[  231.433767] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.437676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.441095] syz-executor3 cpuset=syz3 mems_allowed=0
[  231.445301]  ? __lock_acquire+0x62f/0x4c20
[  231.445313]  ? should_fail+0x22d/0xd01
[  231.502541]  ? find_held_lock+0x36/0x1c0
[  231.506593]  ? mark_held_locks+0x130/0x130
[  231.510814]  ? mark_held_locks+0x130/0x130
[  231.515031]  ? zap_class+0x640/0x640
[  231.518737]  ? mark_held_locks+0xc7/0x130
[  231.522867]  ? do_raw_spin_unlock+0xa7/0x330
[  231.527261]  ? zap_class+0x640/0x640
[  231.530958]  ? print_usage_bug+0xc0/0xc0
[  231.535011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.540536]  ? check_preemption_disabled+0x48/0x280
[  231.545547]  ? __lock_is_held+0xb5/0x140
[  231.549596]  __alloc_pages_nodemask+0xa80/0xde0
[  231.554255]  ? zap_class+0x640/0x640
[  231.557956]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  231.562966]  ? find_held_lock+0x36/0x1c0
[  231.567021]  ? ____cache_alloc_node+0x1c7/0x1e0
[  231.571675]  ? lock_downgrade+0x900/0x900
[  231.575815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.581342]  cache_grow_begin+0xa5/0x8c0
[  231.585387]  ? do_raw_spin_unlock+0xa7/0x330
[  231.589787]  fallback_alloc+0x204/0x2e0
[  231.593752]  ____cache_alloc_node+0x1c7/0x1e0
[  231.598239]  kmem_cache_alloc_node+0xe3/0x730
[  231.602723]  ? ipv6_get_ifaddr+0x42e/0x620
[  231.606948]  __alloc_skb+0x119/0x770
[  231.610649]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  231.615912]  ? netdev_alloc_frag+0x1f0/0x1f0
[  231.620304]  ? lock_downgrade+0x900/0x900
[  231.624440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.629962]  ? refcount_sub_and_test_checked+0x203/0x310
[  231.635398]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  231.640834]  ? addrconf_rs_timer+0x690/0x690
[  231.645239]  ndisc_alloc_skb+0x144/0x340
[  231.649291]  ndisc_send_rs+0x331/0x6e0
[  231.653179]  addrconf_rs_timer+0x314/0x690
[  231.657401]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.661634]  call_timer_fn+0x272/0x920
[  231.665504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.669724]  ? process_timeout+0x40/0x40
[  231.673781]  ? __run_timers+0x7da/0xc70
[  231.677744]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.682223]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.686703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.690922]  ? lockdep_hardirqs_on+0x296/0x5b0
[  231.695489]  ? trace_hardirqs_on+0xbd/0x310
[  231.699806]  ? kasan_check_read+0x11/0x20
[  231.703937]  ? __run_timers+0x7da/0xc70
[  231.707898]  ? trace_hardirqs_off_caller+0x310/0x310
[  231.712992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.717213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.721434]  __run_timers+0x7e5/0xc70
[  231.725228]  ? timer_fixup_init+0x70/0x70
[  231.729358]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.733836]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.738316]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  231.742885]  ? trace_hardirqs_on+0xbd/0x310
[  231.747190]  ? kasan_check_read+0x11/0x20
[  231.751325]  ? finish_task_switch+0x1f4/0x910
[  231.755809]  ? trace_hardirqs_off_caller+0x310/0x310
[  231.760897]  ? compat_start_thread+0x80/0x80
[  231.765305]  ? pvclock_read_flags+0x160/0x160
[  231.769781]  ? __switch_to_asm+0x34/0x70
[  231.773829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.779439]  ? check_preemption_disabled+0x48/0x280
[  231.784453]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  231.789992]  ? rcu_pm_notify+0xc0/0xc0
[  231.793865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.799390]  ? check_preemption_disabled+0x48/0x280
[  231.804397]  run_timer_softirq+0x52/0xb0
[  231.808446]  ? rcu_read_lock_sched_held+0x14f/0x180
[  231.813451]  __do_softirq+0x308/0xb7e
[  231.817240]  ? trace_hardirqs_on_caller+0xc0/0x310
[  231.822160]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  231.827248]  ? trace_hardirqs_on+0x310/0x310
[  231.831647]  ? schedule+0x108/0x460
[  231.835271]  ? trace_hardirqs_off+0xb8/0x310
[  231.839673]  ? smpboot_thread_fn+0x68b/0xa00
[  231.844068]  ? trace_hardirqs_on+0x310/0x310
[  231.848466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.853991]  ? check_preemption_disabled+0x48/0x280
[  231.858996]  ? takeover_tasklets+0xa90/0xa90
[  231.863390]  run_ksoftirqd+0x5e/0x100
[  231.867175]  smpboot_thread_fn+0x68b/0xa00
[  231.871399]  ? sort_range+0x30/0x30
[  231.875012]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  231.880100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.885634]  ? __kthread_parkme+0xfb/0x1a0
[  231.889860]  ? sort_range+0x30/0x30
[  231.893472]  kthread+0x35a/0x440
[  231.896827]  ? kthread_stop+0x900/0x900
[  231.900801]  ret_from_fork+0x3a/0x50
[  231.904515] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  231.904572] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.911859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  231.911863] Call Trace:
[  231.911869]  <IRQ>
[  231.911882]  dump_stack+0x244/0x39d
[  231.911897]  ? dump_stack_print_info.cold.1+0x20/0x20
[  231.918398] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.927702]  warn_alloc.cold.116+0xb7/0x1bd
[  231.930250] ksoftirqd/1 cpuset=/ mems_allowed=0
[  231.932384]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  231.965708]  ? lock_downgrade+0x900/0x900
[  231.969852]  ? trace_hardirqs_off+0xb8/0x310
[  231.974252]  ? trace_hardirqs_off+0xb8/0x310
[  231.978657]  __alloc_pages_slowpath+0x26e8/0x2e10
[  231.983512]  ? warn_alloc+0x120/0x120
[  231.987300]  ? print_usage_bug+0xc0/0xc0
[  231.991351]  ? warn_alloc+0x120/0x120
[  231.995142]  ? warn_alloc+0x120/0x120
[  231.998929]  ? print_usage_bug+0xc0/0xc0
[  232.002982]  ? print_usage_bug+0xc0/0xc0
[  232.007046]  ? __lock_acquire+0x62f/0x4c20
[  232.011274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.016802]  ? should_fail+0x22d/0xd01
[  232.020698]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.025789]  ? __lock_acquire+0x62f/0x4c20
[  232.030014]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.035106]  ? __lock_acquire+0x62f/0x4c20
[  232.039327]  ? should_fail+0x22d/0xd01
[  232.043200]  ? find_held_lock+0x36/0x1c0
[  232.047253]  ? mark_held_locks+0x130/0x130
[  232.051476]  ? mark_held_locks+0x130/0x130
[  232.055702]  ? zap_class+0x640/0x640
[  232.059400]  ? zap_class+0x640/0x640
[  232.063101]  ? print_usage_bug+0xc0/0xc0
[  232.067145]  ? do_raw_spin_unlock+0xa7/0x330
[  232.071538]  ? zap_class+0x640/0x640
[  232.075241]  ? print_usage_bug+0xc0/0xc0
[  232.079286]  ? wq_watchdog_touch+0x9c/0xfe
[  232.083508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.089033]  ? check_preemption_disabled+0x48/0x280
[  232.094042]  ? __lock_is_held+0xb5/0x140
[  232.098097]  __alloc_pages_nodemask+0xa80/0xde0
[  232.102752]  ? zap_class+0x640/0x640
[  232.106458]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  232.111469]  ? find_held_lock+0x36/0x1c0
[  232.115526]  ? ____cache_alloc_node+0x1c7/0x1e0
[  232.120182]  ? lock_downgrade+0x900/0x900
[  232.124324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.129851]  cache_grow_begin+0xa5/0x8c0
[  232.133897]  ? do_raw_spin_unlock+0xa7/0x330
[  232.138297]  fallback_alloc+0x204/0x2e0
[  232.142263]  ____cache_alloc_node+0x1c7/0x1e0
[  232.146750]  kmem_cache_alloc_node+0xe3/0x730
[  232.151232]  ? ipv6_get_ifaddr+0x42e/0x620
[  232.155460]  __alloc_skb+0x119/0x770
[  232.159162]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  232.164431]  ? netdev_alloc_frag+0x1f0/0x1f0
[  232.168830]  ? lock_downgrade+0x900/0x900
[  232.172973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.178500]  ? refcount_sub_and_test_checked+0x203/0x310
[  232.183939]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  232.189377]  ? addrconf_rs_timer+0x690/0x690
[  232.193784]  ndisc_alloc_skb+0x144/0x340
[  232.197835]  ndisc_send_rs+0x331/0x6e0
[  232.201714]  addrconf_rs_timer+0x314/0x690
[  232.205946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.210178]  call_timer_fn+0x272/0x920
[  232.214051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.218272]  ? process_timeout+0x40/0x40
[  232.222326]  ? __run_timers+0x7da/0xc70
[  232.226288]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.230766]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.235245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.239467]  ? lockdep_hardirqs_on+0x296/0x5b0
[  232.244041]  ? trace_hardirqs_on+0xbd/0x310
[  232.248352]  ? kasan_check_read+0x11/0x20
[  232.252483]  ? __run_timers+0x7da/0xc70
[  232.256454]  ? trace_hardirqs_off_caller+0x310/0x310
[  232.261545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.265770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.269989]  __run_timers+0x7e5/0xc70
[  232.273786]  ? timer_fixup_init+0x70/0x70
[  232.277924]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  232.282930]  ? zap_class+0x640/0x640
[  232.286635]  ? enqueue_hrtimer+0x1a5/0x560
[  232.290863]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  232.296043]  ? find_held_lock+0x36/0x1c0
[  232.300097]  ? zap_class+0x640/0x640
[  232.303800]  ? pvclock_read_flags+0x160/0x160
[  232.308282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.313809]  ? check_preemption_disabled+0x48/0x280
[  232.318827]  ? __lock_is_held+0xb5/0x140
[  232.322876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.328402]  ? check_preemption_disabled+0x48/0x280
[  232.333408]  run_timer_softirq+0x52/0xb0
[  232.337457]  ? rcu_read_lock_sched_held+0x14f/0x180
[  232.342462]  __do_softirq+0x308/0xb7e
[  232.346256]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  232.350738]  ? lock_downgrade+0x900/0x900
[  232.354875]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  232.359969]  ? pvclock_read_flags+0x160/0x160
[  232.364452]  ? lapic_next_event+0x5a/0x90
[  232.368599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.374128]  ? kvm_clock_read+0x18/0x30
[  232.378089]  ? kvm_sched_clock_read+0x9/0x20
[  232.382484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.388007]  ? check_preemption_disabled+0x48/0x280
[  232.393015]  irq_exit+0x17f/0x1c0
[  232.396454]  smp_apic_timer_interrupt+0x1cb/0x760
[  232.401284]  ? smp_reschedule_interrupt+0x109/0x650
[  232.406286]  ? smp_call_function_single_interrupt+0x650/0x650
[  232.412156]  ? interrupt_entry+0xb5/0xc0
[  232.416203]  ? trace_hardirqs_off_caller+0xbb/0x310
[  232.421204]  ? trace_hardirqs_off_caller+0xbb/0x310
[  232.426209]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.431037]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.436059]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.441080]  ? task_prio+0x50/0x50
[  232.444611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.450138]  ? check_preemption_disabled+0x48/0x280
[  232.455147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.459983]  apic_timer_interrupt+0xf/0x20
[  232.464196]  </IRQ>
[  232.466423] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  232.471340] 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
[  232.490224] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  232.497919] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  232.505172] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  232.512424] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  232.519677] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  232.526932] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  232.534214]  skb_clone+0x1bb/0x500
[  232.537750]  ? finish_task_switch+0x2f4/0x910
[  232.542237]  ? skb_split+0x11e0/0x11e0
[  232.546113]  ? preempt_notifier_register+0x200/0x200
[  232.551200]  ? __switch_to_asm+0x34/0x70
[  232.555243]  ? __switch_to_asm+0x34/0x70
[  232.559287]  ? __switch_to_asm+0x40/0x70
[  232.563334]  ? __switch_to_asm+0x34/0x70
[  232.567378]  ? __switch_to_asm+0x40/0x70
[  232.571421]  ? __switch_to_asm+0x34/0x70
[  232.575469]  ? __switch_to_asm+0x40/0x70
[  232.579611]  ? __switch_to_asm+0x34/0x70
[  232.583660]  ? __switch_to_asm+0x34/0x70
[  232.587716]  ? __switch_to_asm+0x40/0x70
[  232.591763]  ? __switch_to_asm+0x34/0x70
[  232.595816]  bpf_clone_redirect+0xb9/0x490
[  232.600043]  ? __schedule+0x8d7/0x21d0
[  232.603922]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  232.608927]  ? __sched_text_start+0x8/0x8
[  232.613062]  ? retint_kernel+0x2d/0x2d
[  232.616939]  ? trace_hardirqs_on_caller+0xc0/0x310
[  232.621856]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  232.626606]  ? find_held_lock+0x36/0x1c0
[  232.630661]  ? lock_acquire+0x1ed/0x520
[  232.634621]  ? bpf_test_run+0x3cb/0x780
[  232.638589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.644112]  ? check_preemption_disabled+0x48/0x280
[  232.649120]  ? kasan_check_read+0x11/0x20
[  232.653253]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  232.658513]  ? rcu_softirq_qs+0x20/0x20
[  232.662477]  ? preempt_schedule+0x4d/0x60
[  232.666613]  ? ___preempt_schedule+0x16/0x18
[  232.671014]  ? bpf_test_run+0x25d/0x780
[  232.674986]  ? netlink_diag_dump+0x2a0/0x2a0
[  232.679385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.684907]  ? bpf_test_init.isra.10+0x70/0x100
[  232.689589]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  232.694341]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  232.699177]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  232.704699]  ? fput+0x130/0x1a0
[  232.707966]  ? __bpf_prog_get+0x9b/0x290
[  232.712030]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  232.716857]  ? bpf_prog_test_run+0x130/0x1a0
[  232.721255]  ? __x64_sys_bpf+0x3d8/0x520
[  232.725305]  ? bpf_prog_get+0x20/0x20
[  232.729110]  ? do_syscall_64+0x1b9/0x820
[  232.733155]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  232.738504]  ? syscall_return_slowpath+0x5e0/0x5e0
[  232.743419]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.748252]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.753255]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  232.758261]  ? prepare_exit_to_usermode+0x291/0x3b0
[  232.763270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.768107]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  232.773471] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  232.773475] warn_alloc_show_mem: 1 callbacks suppressed
[  232.773480] Mem-Info:
[  232.780413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.785770] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  232.785770]  active_file:12 inactive_file:13 isolated_file:0
[  232.785770]  unevictable:0 dirty:0 writeback:0 unstable:0
[  232.785770]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  232.785770]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  232.785770]  free:13767 free_pcp:247 free_cma:0
[  232.788134] Call Trace:
[  232.797595] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  232.830611]  dump_stack+0x244/0x39d
[  232.833160] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  232.860828]  ? dump_stack_print_info.cold.1+0x20/0x20
[  232.864415] lowmem_reserve[]: 0 2818 6321 6321
[  232.890917]  warn_alloc.cold.116+0xb7/0x1bd
[  232.896073] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  232.900642]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  232.904931] lowmem_reserve[]: 0 0 3503 3503
[  232.932756]  ? lock_downgrade+0x900/0x900
[  232.937589] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  232.942202]  ? trace_hardirqs_off+0xb8/0x310
[  232.946311] lowmem_reserve[]: 0 0 0 0
[  232.975362]  ? trace_hardirqs_off+0xb8/0x310
[  232.979733] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  232.983525]  __alloc_pages_slowpath+0x26e8/0x2e10
[  232.987896] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  233.001540]  ? warn_alloc+0x120/0x120
[  233.006332] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  233.021490]  ? print_usage_bug+0xc0/0xc0
[  233.025264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  233.040494]  ? warn_alloc+0x120/0x120
[  233.044535] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  233.053346]  ? warn_alloc+0x120/0x120
[  233.057112] 2041 total pagecache pages
[  233.065664]  ? print_usage_bug+0xc0/0xc0
[  233.069437] 0 pages in swap cache
[  233.073300]  ? print_usage_bug+0xc0/0xc0
[  233.077331] Swap cache stats: add 0, delete 0, find 0/0
[  233.080762]  ? __lock_acquire+0x62f/0x4c20
[  233.084788] Free swap  = 0kB
[  233.090136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.094330] Total swap = 0kB
[  233.094336] 1965979 pages RAM
[  233.097338]  ? should_fail+0x22d/0xd01
[  233.102838] 0 pages HighMem/MovableOnly
[  233.102844] 342854 pages reserved
[  233.105843]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.108933] 0 pages cma reserved
[  233.112802]  ? __lock_acquire+0x62f/0x4c20
[  233.116830] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.120174]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.120185]  ? __lock_acquire+0x62f/0x4c20
[  233.120198]  ? should_fail+0x22d/0xd01
[  233.125314] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.128618]  ? find_held_lock+0x36/0x1c0
[  233.132934] syz-executor3 cpuset=syz3 mems_allowed=0
[  233.139417]  ? mark_held_locks+0x130/0x130
[  233.176344]  ? mark_held_locks+0x130/0x130
[  233.180565]  ? zap_class+0x640/0x640
[  233.184267]  ? zap_class+0x640/0x640
[  233.187969]  ? print_usage_bug+0xc0/0xc0
[  233.192012]  ? do_raw_spin_unlock+0xa7/0x330
[  233.196412]  ? zap_class+0x640/0x640
[  233.200110]  ? print_usage_bug+0xc0/0xc0
[  233.204159]  ? wq_watchdog_touch+0x9c/0xfe
[  233.208385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.213907]  ? check_preemption_disabled+0x48/0x280
[  233.218918]  ? __lock_is_held+0xb5/0x140
[  233.222968]  __alloc_pages_nodemask+0xa80/0xde0
[  233.227625]  ? zap_class+0x640/0x640
[  233.231330]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  233.236343]  ? find_held_lock+0x36/0x1c0
[  233.240397]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.245052]  ? lock_downgrade+0x900/0x900
[  233.249192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.254721]  cache_grow_begin+0xa5/0x8c0
[  233.258766]  ? do_raw_spin_unlock+0xa7/0x330
[  233.263167]  fallback_alloc+0x204/0x2e0
[  233.267134]  ____cache_alloc_node+0x1c7/0x1e0
[  233.271624]  kmem_cache_alloc_node+0xe3/0x730
[  233.276106]  ? ipv6_get_ifaddr+0x42e/0x620
[  233.280338]  __alloc_skb+0x119/0x770
[  233.284042]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.289310]  ? netdev_alloc_frag+0x1f0/0x1f0
[  233.293708]  ? lock_downgrade+0x900/0x900
[  233.297853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.303378]  ? refcount_sub_and_test_checked+0x203/0x310
[  233.308820]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  233.314257]  ? addrconf_rs_timer+0x690/0x690
[  233.318836]  ndisc_alloc_skb+0x144/0x340
[  233.322896]  ndisc_send_rs+0x331/0x6e0
[  233.326789]  addrconf_rs_timer+0x314/0x690
[  233.331022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.335273]  call_timer_fn+0x272/0x920
[  233.339150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.343370]  ? process_timeout+0x40/0x40
[  233.347426]  ? __run_timers+0x7da/0xc70
[  233.351388]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.355866]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.360354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.364580]  ? lockdep_hardirqs_on+0x296/0x5b0
[  233.369154]  ? trace_hardirqs_on+0xbd/0x310
[  233.373464]  ? kasan_check_read+0x11/0x20
[  233.377603]  ? __run_timers+0x7da/0xc70
[  233.381570]  ? trace_hardirqs_off_caller+0x310/0x310
[  233.386662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.390894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.395127]  __run_timers+0x7e5/0xc70
[  233.398944]  ? timer_fixup_init+0x70/0x70
[  233.403080]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.407580]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.412077]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  233.416651]  ? trace_hardirqs_on+0xbd/0x310
[  233.420978]  ? kasan_check_read+0x11/0x20
[  233.425115]  ? finish_task_switch+0x1f4/0x910
[  233.429597]  ? trace_hardirqs_off_caller+0x310/0x310
[  233.434687]  ? compat_start_thread+0x80/0x80
[  233.439185]  ? pvclock_read_flags+0x160/0x160
[  233.443674]  ? __switch_to_asm+0x34/0x70
[  233.447726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.453257]  ? check_preemption_disabled+0x48/0x280
[  233.458282]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  233.463805]  ? rcu_pm_notify+0xc0/0xc0
[  233.467683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.473209]  ? check_preemption_disabled+0x48/0x280
[  233.478215]  run_timer_softirq+0x52/0xb0
[  233.482262]  ? rcu_read_lock_sched_held+0x14f/0x180
[  233.487266]  __do_softirq+0x308/0xb7e
[  233.491059]  ? trace_hardirqs_on_caller+0xc0/0x310
[  233.495977]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  233.501070]  ? trace_hardirqs_on+0x310/0x310
[  233.505467]  ? schedule+0x108/0x460
[  233.509097]  ? trace_hardirqs_off+0xb8/0x310
[  233.513501]  ? smpboot_thread_fn+0x68b/0xa00
[  233.517894]  ? trace_hardirqs_on+0x310/0x310
[  233.522308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.527835]  ? check_preemption_disabled+0x48/0x280
[  233.532841]  ? takeover_tasklets+0xa90/0xa90
[  233.537235]  run_ksoftirqd+0x5e/0x100
[  233.541031]  smpboot_thread_fn+0x68b/0xa00
[  233.545253]  ? sort_range+0x30/0x30
[  233.548867]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.553958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.559490]  ? __kthread_parkme+0xfb/0x1a0
[  233.563714]  ? sort_range+0x30/0x30
[  233.567330]  kthread+0x35a/0x440
[  233.570688]  ? kthread_stop+0x900/0x900
[  233.574649]  ret_from_fork+0x3a/0x50
[  233.578364] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  233.578445] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.585618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  233.585622] Call Trace:
[  233.585628]  <IRQ>
[  233.585640]  dump_stack+0x244/0x39d
[  233.585656]  ? dump_stack_print_info.cold.1+0x20/0x20
[  233.592178] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.601459]  warn_alloc.cold.116+0xb7/0x1bd
[  233.604012] ksoftirqd/1 cpuset=/ mems_allowed=0
[  233.606142]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.638961]  ? lock_downgrade+0x900/0x900
[  233.643100]  ? trace_hardirqs_off+0xb8/0x310
[  233.647504]  ? trace_hardirqs_off+0xb8/0x310
[  233.651908]  __alloc_pages_slowpath+0x26e8/0x2e10
[  233.656765]  ? warn_alloc+0x120/0x120
[  233.660554]  ? print_usage_bug+0xc0/0xc0
[  233.664602]  ? warn_alloc+0x120/0x120
[  233.668393]  ? warn_alloc+0x120/0x120
[  233.672183]  ? print_usage_bug+0xc0/0xc0
[  233.676233]  ? print_usage_bug+0xc0/0xc0
[  233.680280]  ? __lock_acquire+0x62f/0x4c20
[  233.684505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.690027]  ? should_fail+0x22d/0xd01
[  233.693904]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.698992]  ? __lock_acquire+0x62f/0x4c20
[  233.703220]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.708311]  ? __lock_acquire+0x62f/0x4c20
[  233.712546]  ? should_fail+0x22d/0xd01
[  233.716422]  ? find_held_lock+0x36/0x1c0
[  233.720487]  ? mark_held_locks+0x130/0x130
[  233.724711]  ? mark_held_locks+0x130/0x130
[  233.728931]  ? zap_class+0x640/0x640
[  233.732632]  ? zap_class+0x640/0x640
[  233.736336]  ? print_usage_bug+0xc0/0xc0
[  233.740381]  ? do_raw_spin_unlock+0xa7/0x330
[  233.744778]  ? zap_class+0x640/0x640
[  233.748482]  ? print_usage_bug+0xc0/0xc0
[  233.752529]  ? wq_watchdog_touch+0x9c/0xfe
[  233.756753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.762276]  ? check_preemption_disabled+0x48/0x280
[  233.767287]  ? __lock_is_held+0xb5/0x140
[  233.771338]  __alloc_pages_nodemask+0xa80/0xde0
[  233.775994]  ? zap_class+0x640/0x640
[  233.779700]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  233.784713]  ? find_held_lock+0x36/0x1c0
[  233.788771]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.793431]  ? lock_downgrade+0x900/0x900
[  233.797584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.803113]  cache_grow_begin+0xa5/0x8c0
[  233.807159]  ? do_raw_spin_unlock+0xa7/0x330
[  233.811562]  fallback_alloc+0x204/0x2e0
[  233.815529]  ____cache_alloc_node+0x1c7/0x1e0
[  233.820013]  kmem_cache_alloc_node+0xe3/0x730
[  233.824499]  ? ipv6_get_ifaddr+0x42e/0x620
[  233.828731]  __alloc_skb+0x119/0x770
[  233.832432]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.837710]  ? netdev_alloc_frag+0x1f0/0x1f0
[  233.842104]  ? lock_downgrade+0x900/0x900
[  233.846246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.851770]  ? refcount_sub_and_test_checked+0x203/0x310
[  233.857207]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  233.862645]  ? addrconf_rs_timer+0x690/0x690
[  233.867053]  ndisc_alloc_skb+0x144/0x340
[  233.871102]  ndisc_send_rs+0x331/0x6e0
[  233.874994]  addrconf_rs_timer+0x314/0x690
[  233.879221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.883454]  call_timer_fn+0x272/0x920
[  233.887336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.891557]  ? process_timeout+0x40/0x40
[  233.895701]  ? __run_timers+0x7da/0xc70
[  233.899664]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.904143]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.908623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.912844]  ? lockdep_hardirqs_on+0x296/0x5b0
[  233.917415]  ? trace_hardirqs_on+0xbd/0x310
[  233.921729]  ? kasan_check_read+0x11/0x20
[  233.925861]  ? __run_timers+0x7da/0xc70
[  233.929822]  ? trace_hardirqs_off_caller+0x310/0x310
[  233.934913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.939135]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.943354]  __run_timers+0x7e5/0xc70
[  233.947150]  ? timer_fixup_init+0x70/0x70
[  233.951286]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  233.956289]  ? zap_class+0x640/0x640
[  233.959992]  ? enqueue_hrtimer+0x1a5/0x560
[  233.964674]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  233.969855]  ? find_held_lock+0x36/0x1c0
[  233.973906]  ? zap_class+0x640/0x640
[  233.977611]  ? pvclock_read_flags+0x160/0x160
[  233.982095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.987620]  ? check_preemption_disabled+0x48/0x280
[  233.992628]  ? __lock_is_held+0xb5/0x140
[  233.996677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.002201]  ? check_preemption_disabled+0x48/0x280
[  234.007206]  run_timer_softirq+0x52/0xb0
[  234.011252]  ? rcu_read_lock_sched_held+0x14f/0x180
[  234.016258]  __do_softirq+0x308/0xb7e
[  234.020051]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  234.024535]  ? lock_downgrade+0x900/0x900
[  234.028672]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  234.033856]  ? pvclock_read_flags+0x160/0x160
[  234.038337]  ? lapic_next_event+0x5a/0x90
[  234.042475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.048000]  ? kvm_clock_read+0x18/0x30
[  234.051964]  ? kvm_sched_clock_read+0x9/0x20
[  234.056359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.061883]  ? check_preemption_disabled+0x48/0x280
[  234.066895]  irq_exit+0x17f/0x1c0
[  234.070339]  smp_apic_timer_interrupt+0x1cb/0x760
[  234.075166]  ? smp_reschedule_interrupt+0x109/0x650
[  234.080168]  ? smp_call_function_single_interrupt+0x650/0x650
[  234.086036]  ? interrupt_entry+0xb5/0xc0
[  234.090084]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.095104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.100109]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.104938]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.109938]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.114939]  ? task_prio+0x50/0x50
[  234.118466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.123989]  ? check_preemption_disabled+0x48/0x280
[  234.128997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.133834]  apic_timer_interrupt+0xf/0x20
[  234.138050]  </IRQ>
[  234.140273] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  234.145191] 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
[  234.164075] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  234.171766] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  234.179019] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  234.186274] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  234.193525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  234.200780] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  234.208081]  skb_clone+0x1bb/0x500
[  234.211610]  ? finish_task_switch+0x2f4/0x910
[  234.216093]  ? skb_split+0x11e0/0x11e0
[  234.219966]  ? preempt_notifier_register+0x200/0x200
[  234.225054]  ? __switch_to_asm+0x34/0x70
[  234.229100]  ? __switch_to_asm+0x34/0x70
[  234.233143]  ? __switch_to_asm+0x40/0x70
[  234.237187]  ? __switch_to_asm+0x34/0x70
[  234.241233]  ? __switch_to_asm+0x40/0x70
[  234.245275]  ? __switch_to_asm+0x34/0x70
[  234.249317]  ? __switch_to_asm+0x40/0x70
[  234.253453]  ? __switch_to_asm+0x34/0x70
[  234.257505]  ? __switch_to_asm+0x34/0x70
[  234.261552]  ? __switch_to_asm+0x40/0x70
[  234.265599]  ? __switch_to_asm+0x34/0x70
[  234.269649]  bpf_clone_redirect+0xb9/0x490
[  234.273872]  ? __schedule+0x8d7/0x21d0
[  234.277753]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  234.282760]  ? __sched_text_start+0x8/0x8
[  234.286901]  ? retint_kernel+0x2d/0x2d
[  234.290777]  ? trace_hardirqs_on_caller+0xc0/0x310
[  234.295695]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.300443]  ? find_held_lock+0x36/0x1c0
[  234.304506]  ? lock_acquire+0x1ed/0x520
[  234.308466]  ? bpf_test_run+0x3cb/0x780
[  234.312435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.317960]  ? check_preemption_disabled+0x48/0x280
[  234.322973]  ? kasan_check_read+0x11/0x20
[  234.327110]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.332374]  ? rcu_softirq_qs+0x20/0x20
[  234.336341]  ? preempt_schedule+0x4d/0x60
[  234.340475]  ? ___preempt_schedule+0x16/0x18
[  234.344875]  ? bpf_test_run+0x25d/0x780
[  234.348844]  ? netlink_diag_dump+0x2a0/0x2a0
[  234.353243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.358767]  ? bpf_test_init.isra.10+0x70/0x100
[  234.363435]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  234.368186]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  234.373013]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  234.378539]  ? fput+0x130/0x1a0
[  234.381805]  ? __bpf_prog_get+0x9b/0x290
[  234.385856]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  234.390684]  ? bpf_prog_test_run+0x130/0x1a0
[  234.395081]  ? __x64_sys_bpf+0x3d8/0x520
[  234.399130]  ? bpf_prog_get+0x20/0x20
[  234.402932]  ? do_syscall_64+0x1b9/0x820
[  234.406978]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  234.412330]  ? syscall_return_slowpath+0x5e0/0x5e0
[  234.417243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.422074]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.427077]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  234.432081]  ? prepare_exit_to_usermode+0x291/0x3b0
[  234.437090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.441925]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  234.447289] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  234.447293] warn_alloc_show_mem: 1 callbacks suppressed
[  234.447298] Mem-Info:
[  234.454205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.459564] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  234.459564]  active_file:12 inactive_file:13 isolated_file:0
[  234.459564]  unevictable:0 dirty:0 writeback:0 unstable:0
[  234.459564]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  234.459564]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  234.459564]  free:13767 free_pcp:247 free_cma:0
[  234.461929] Call Trace:
[  234.471288] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  234.504300]  dump_stack+0x244/0x39d
[  234.506848] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  234.534501]  ? dump_stack_print_info.cold.1+0x20/0x20
[  234.538087] lowmem_reserve[]: 0 2818 6321 6321
[  234.564189]  warn_alloc.cold.116+0xb7/0x1bd
[  234.569340] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  234.573909]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.578274] lowmem_reserve[]: 0 0 3503 3503
[  234.606104]  ? lock_downgrade+0x900/0x900
[  234.610910] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  234.615220]  ? trace_hardirqs_off+0xb8/0x310
[  234.619326] lowmem_reserve[]: 0 0 0 0
[  234.648300]  ? trace_hardirqs_off+0xb8/0x310
[  234.652672] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  234.656459]  __alloc_pages_slowpath+0x26e8/0x2e10
[  234.660824] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  234.674356]  ? warn_alloc+0x120/0x120
[  234.679150] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  234.694309]  ? print_usage_bug+0xc0/0xc0
[  234.698104] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  234.713335]  ? warn_alloc+0x120/0x120
[  234.717389] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  234.726197]  ? warn_alloc+0x120/0x120
[  234.729963] 2041 total pagecache pages
[  234.738517]  ? print_usage_bug+0xc0/0xc0
[  234.742300] 0 pages in swap cache
[  234.746165]  ? print_usage_bug+0xc0/0xc0
[  234.750192] Swap cache stats: add 0, delete 0, find 0/0
[  234.750199] Free swap  = 0kB
[  234.753635]  ? __lock_acquire+0x62f/0x4c20
[  234.757658] Total swap = 0kB
[  234.757665] 1965979 pages RAM
[  234.763010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.765994] 0 pages HighMem/MovableOnly
[  234.766000] 342854 pages reserved
[  234.770211]  ? should_fail+0x22d/0xd01
[  234.773197] 0 pages cma reserved
[  234.776285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.781927] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.785833]  ? __lock_acquire+0x62f/0x4c20
[  234.789318] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.793124]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.796455] syz-executor3 cpuset=syz3 mems_allowed=0
[  234.801532]  ? __lock_acquire+0x62f/0x4c20
[  234.801544]  ? should_fail+0x22d/0xd01
[  234.840998]  ? find_held_lock+0x36/0x1c0
[  234.845053]  ? mark_held_locks+0x130/0x130
[  234.849283]  ? mark_held_locks+0x130/0x130
[  234.853503]  ? zap_class+0x640/0x640
[  234.857208]  ? mark_held_locks+0xc7/0x130
[  234.861453]  ? do_raw_spin_unlock+0xa7/0x330
[  234.865847]  ? zap_class+0x640/0x640
[  234.869549]  ? print_usage_bug+0xc0/0xc0
[  234.873600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.879126]  ? check_preemption_disabled+0x48/0x280
[  234.884137]  ? __lock_is_held+0xb5/0x140
[  234.888188]  __alloc_pages_nodemask+0xa80/0xde0
[  234.892844]  ? zap_class+0x640/0x640
[  234.896548]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  234.901562]  ? find_held_lock+0x36/0x1c0
[  234.905618]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.910273]  ? lock_downgrade+0x900/0x900
[  234.914413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.919940]  cache_grow_begin+0xa5/0x8c0
[  234.923988]  ? do_raw_spin_unlock+0xa7/0x330
[  234.928390]  fallback_alloc+0x204/0x2e0
[  234.932364]  ____cache_alloc_node+0x1c7/0x1e0
[  234.936850]  kmem_cache_alloc_node+0xe3/0x730
[  234.941337]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.945574]  __alloc_skb+0x119/0x770
[  234.949273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.954548]  ? netdev_alloc_frag+0x1f0/0x1f0
[  234.958943]  ? lock_downgrade+0x900/0x900
[  234.963082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.968604]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.974047]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.979482]  ? addrconf_rs_timer+0x690/0x690
[  234.983889]  ndisc_alloc_skb+0x144/0x340
[  234.987938]  ndisc_send_rs+0x331/0x6e0
[  234.991902]  addrconf_rs_timer+0x314/0x690
[  234.996131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.000369]  call_timer_fn+0x272/0x920
[  235.004243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.008464]  ? process_timeout+0x40/0x40
[  235.012518]  ? __run_timers+0x7da/0xc70
[  235.016487]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.020965]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.025445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.029670]  ? lockdep_hardirqs_on+0x296/0x5b0
[  235.034238]  ? trace_hardirqs_on+0xbd/0x310
[  235.038545]  ? kasan_check_read+0x11/0x20
[  235.042676]  ? __run_timers+0x7da/0xc70
[  235.046637]  ? trace_hardirqs_off_caller+0x310/0x310
[  235.051729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.055955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.060172]  __run_timers+0x7e5/0xc70
[  235.063967]  ? timer_fixup_init+0x70/0x70
[  235.068099]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.072578]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.077060]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  235.081628]  ? trace_hardirqs_on+0xbd/0x310
[  235.085938]  ? kasan_check_read+0x11/0x20
[  235.090074]  ? finish_task_switch+0x1f4/0x910
[  235.094556]  ? trace_hardirqs_off_caller+0x310/0x310
[  235.099650]  ? compat_start_thread+0x80/0x80
[  235.104064]  ? pvclock_read_flags+0x160/0x160
[  235.108543]  ? __switch_to_asm+0x34/0x70
[  235.112592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.118114]  ? check_preemption_disabled+0x48/0x280
[  235.123122]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  235.128645]  ? rcu_pm_notify+0xc0/0xc0
[  235.133005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.138534]  ? check_preemption_disabled+0x48/0x280
[  235.143539]  run_timer_softirq+0x52/0xb0
[  235.147588]  ? rcu_read_lock_sched_held+0x14f/0x180
[  235.152592]  __do_softirq+0x308/0xb7e
[  235.156386]  ? trace_hardirqs_on_caller+0xc0/0x310
[  235.161306]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  235.166400]  ? trace_hardirqs_on+0x310/0x310
[  235.170801]  ? schedule+0x108/0x460
[  235.174421]  ? trace_hardirqs_off+0xb8/0x310
[  235.178817]  ? smpboot_thread_fn+0x68b/0xa00
[  235.183211]  ? trace_hardirqs_on+0x310/0x310
[  235.187610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.193136]  ? check_preemption_disabled+0x48/0x280
[  235.198143]  ? takeover_tasklets+0xa90/0xa90
[  235.202542]  run_ksoftirqd+0x5e/0x100
[  235.206339]  smpboot_thread_fn+0x68b/0xa00
[  235.210563]  ? sort_range+0x30/0x30
[  235.214177]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.219279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.224803]  ? __kthread_parkme+0xfb/0x1a0
[  235.229029]  ? sort_range+0x30/0x30
[  235.232642]  kthread+0x35a/0x440
[  235.235995]  ? kthread_stop+0x900/0x900
[  235.239960]  ret_from_fork+0x3a/0x50
[  235.243674] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  235.243729] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  235.250945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  235.250950] Call Trace:
[  235.250955]  <IRQ>
[  235.250968]  dump_stack+0x244/0x39d
[  235.250984]  ? dump_stack_print_info.cold.1+0x20/0x20
[  235.257481] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  235.266783]  warn_alloc.cold.116+0xb7/0x1bd
[  235.269336] ksoftirqd/1 cpuset=/ mems_allowed=0
[  235.271472]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.304282]  ? lock_downgrade+0x900/0x900
[  235.308426]  ? trace_hardirqs_off+0xb8/0x310
[  235.312825]  ? trace_hardirqs_off+0xb8/0x310
[  235.317229]  __alloc_pages_slowpath+0x26e8/0x2e10
[  235.322077]  ? warn_alloc+0x120/0x120
[  235.325872]  ? print_usage_bug+0xc0/0xc0
[  235.329922]  ? warn_alloc+0x120/0x120
[  235.333713]  ? warn_alloc+0x120/0x120
[  235.337509]  ? print_usage_bug+0xc0/0xc0
[  235.341647]  ? kvm_clock_read+0x18/0x30
[  235.345610]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  235.350612]  ? print_usage_bug+0xc0/0xc0
[  235.354664]  ? __lock_acquire+0x62f/0x4c20
[  235.358913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.364446]  ? should_fail+0x22d/0xd01
[  235.368326]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.373595]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.378683]  ? __lock_acquire+0x62f/0x4c20
[  235.382909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.388083]  ? __lock_acquire+0x62f/0x4c20
[  235.392302]  ? should_fail+0x22d/0xd01
[  235.396186]  ? rcu_irq_exit+0x1a2/0x390
[  235.400166]  ? mark_held_locks+0x130/0x130
[  235.404391]  ? mark_held_locks+0x130/0x130
[  235.408633]  ? mark_held_locks+0xc7/0x130
[  235.412775]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  235.417789]  ? zap_class+0x640/0x640
[  235.421576]  ? print_usage_bug+0xc0/0xc0
[  235.425627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.431243]  ? check_preemption_disabled+0x48/0x280
[  235.436256]  ? __lock_is_held+0xb5/0x140
[  235.440315]  __alloc_pages_nodemask+0xa80/0xde0
[  235.444978]  ? zap_class+0x640/0x640
[  235.448689]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  235.453705]  ? find_held_lock+0x36/0x1c0
[  235.457760]  ? ____cache_alloc_node+0x1c7/0x1e0
[  235.462415]  ? lock_downgrade+0x900/0x900
[  235.466558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.472090]  cache_grow_begin+0xa5/0x8c0
[  235.476153]  ? do_raw_spin_unlock+0xa7/0x330
[  235.480554]  fallback_alloc+0x204/0x2e0
[  235.484522]  ____cache_alloc_node+0x1c7/0x1e0
[  235.489010]  kmem_cache_alloc_node+0xe3/0x730
[  235.493492]  ? ipv6_get_ifaddr+0x42e/0x620
[  235.497753]  __alloc_skb+0x119/0x770
[  235.501466]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.506734]  ? netdev_alloc_frag+0x1f0/0x1f0
[  235.511132]  ? lock_downgrade+0x900/0x900
[  235.515272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.520797]  ? refcount_sub_and_test_checked+0x203/0x310
[  235.526241]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  235.531679]  ? addrconf_rs_timer+0x690/0x690
[  235.536086]  ndisc_alloc_skb+0x144/0x340
[  235.540136]  ndisc_send_rs+0x331/0x6e0
[  235.544014]  addrconf_rs_timer+0x314/0x690
[  235.548243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.552475]  call_timer_fn+0x272/0x920
[  235.556349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.560663]  ? process_timeout+0x40/0x40
[  235.564739]  ? __run_timers+0x7da/0xc70
[  235.568700]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.573183]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.577667]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.581890]  ? lockdep_hardirqs_on+0x296/0x5b0
[  235.586463]  ? trace_hardirqs_on+0xbd/0x310
[  235.590769]  ? kasan_check_read+0x11/0x20
[  235.594902]  ? __run_timers+0x7da/0xc70
[  235.598864]  ? trace_hardirqs_off_caller+0x310/0x310
[  235.603969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.608285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.612516]  __run_timers+0x7e5/0xc70
[  235.616324]  ? timer_fixup_init+0x70/0x70
[  235.620466]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  235.625467]  ? zap_class+0x640/0x640
[  235.629172]  ? enqueue_hrtimer+0x1a5/0x560
[  235.633396]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  235.638578]  ? find_held_lock+0x36/0x1c0
[  235.642630]  ? zap_class+0x640/0x640
[  235.646352]  ? pvclock_read_flags+0x160/0x160
[  235.650841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.656380]  ? check_preemption_disabled+0x48/0x280
[  235.661390]  ? __lock_is_held+0xb5/0x140
[  235.665449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.670974]  ? check_preemption_disabled+0x48/0x280
[  235.675991]  run_timer_softirq+0x52/0xb0
[  235.680039]  ? rcu_read_lock_sched_held+0x14f/0x180
[  235.685040]  __do_softirq+0x308/0xb7e
[  235.688828]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  235.693316]  ? lock_downgrade+0x900/0x900
[  235.697455]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  235.702636]  ? pvclock_read_flags+0x160/0x160
[  235.707119]  ? lapic_next_event+0x5a/0x90
[  235.711253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.716780]  ? kvm_clock_read+0x18/0x30
[  235.720740]  ? kvm_sched_clock_read+0x9/0x20
[  235.725136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.730675]  ? check_preemption_disabled+0x48/0x280
[  235.735683]  irq_exit+0x17f/0x1c0
[  235.739126]  smp_apic_timer_interrupt+0x1cb/0x760
[  235.743956]  ? smp_reschedule_interrupt+0x109/0x650
[  235.748961]  ? smp_call_function_single_interrupt+0x650/0x650
[  235.754834]  ? interrupt_entry+0xb5/0xc0
[  235.758883]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.763887]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.768925]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.773757]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.778782]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.783783]  ? task_prio+0x50/0x50
[  235.787316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.792843]  ? check_preemption_disabled+0x48/0x280
[  235.797852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.802699]  apic_timer_interrupt+0xf/0x20
[  235.806917]  </IRQ>
[  235.809144] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  235.814065] 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
[  235.832960] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  235.840652] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  235.847915] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  235.855169] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  235.862425] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  235.869679] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  235.876977]  skb_clone+0x1bb/0x500
[  235.880540]  ? finish_task_switch+0x2f4/0x910
[  235.885139]  ? skb_split+0x11e0/0x11e0
[  235.889018]  ? preempt_notifier_register+0x200/0x200
[  235.894104]  ? __switch_to_asm+0x34/0x70
[  235.898157]  ? __switch_to_asm+0x34/0x70
[  235.902200]  ? __switch_to_asm+0x40/0x70
[  235.906244]  ? __switch_to_asm+0x34/0x70
[  235.910296]  ? __switch_to_asm+0x40/0x70
[  235.914343]  ? __switch_to_asm+0x34/0x70
[  235.918391]  ? __switch_to_asm+0x40/0x70
[  235.922452]  ? __switch_to_asm+0x34/0x70
[  235.926514]  ? __switch_to_asm+0x34/0x70
[  235.930648]  ? __switch_to_asm+0x40/0x70
[  235.934815]  ? __switch_to_asm+0x34/0x70
[  235.938866]  bpf_clone_redirect+0xb9/0x490
[  235.943087]  ? __schedule+0x8d7/0x21d0
[  235.946963]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  235.951966]  ? __sched_text_start+0x8/0x8
[  235.956100]  ? retint_kernel+0x2d/0x2d
[  235.959987]  ? trace_hardirqs_on_caller+0xc0/0x310
[  235.965372]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.970119]  ? find_held_lock+0x36/0x1c0
[  235.974171]  ? lock_acquire+0x1ed/0x520
[  235.978131]  ? bpf_test_run+0x3cb/0x780
[  235.982090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.987627]  ? check_preemption_disabled+0x48/0x280
[  235.992636]  ? kasan_check_read+0x11/0x20
[  235.996772]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.002033]  ? rcu_softirq_qs+0x20/0x20
[  236.005996]  ? preempt_schedule+0x4d/0x60
[  236.010129]  ? ___preempt_schedule+0x16/0x18
[  236.014528]  ? bpf_test_run+0x25d/0x780
[  236.018499]  ? netlink_diag_dump+0x2a0/0x2a0
[  236.022897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.028418]  ? bpf_test_init.isra.10+0x70/0x100
[  236.033078]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  236.037841]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  236.042781]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  236.048307]  ? fput+0x130/0x1a0
[  236.051694]  ? __bpf_prog_get+0x9b/0x290
[  236.055744]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  236.060572]  ? bpf_prog_test_run+0x130/0x1a0
[  236.064972]  ? __x64_sys_bpf+0x3d8/0x520
[  236.069021]  ? bpf_prog_get+0x20/0x20
[  236.072822]  ? do_syscall_64+0x1b9/0x820
[  236.076871]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  236.082308]  ? syscall_return_slowpath+0x5e0/0x5e0
[  236.087223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.092052]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.097058]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  236.102061]  ? prepare_exit_to_usermode+0x291/0x3b0
[  236.107070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.111902]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  236.117295] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  236.117299] warn_alloc_show_mem: 1 callbacks suppressed
[  236.117305] Mem-Info:
[  236.124217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.129569] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  236.129569]  active_file:12 inactive_file:13 isolated_file:0
[  236.129569]  unevictable:0 dirty:0 writeback:0 unstable:0
[  236.129569]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  236.129569]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  236.129569]  free:13767 free_pcp:247 free_cma:0
[  236.131957] Call Trace:
[  236.141327] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  236.174354]  dump_stack+0x244/0x39d
[  236.176921] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  236.204677]  ? dump_stack_print_info.cold.1+0x20/0x20
[  236.208269] lowmem_reserve[]: 0 2818 6321 6321
[  236.234370]  warn_alloc.cold.116+0xb7/0x1bd
[  236.239531] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  236.244098]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.248379] lowmem_reserve[]: 0 0 3503 3503
[  236.276219]  ? lock_downgrade+0x900/0x900
[  236.281033] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  236.285344]  ? trace_hardirqs_off+0xb8/0x310
[  236.289447] lowmem_reserve[]: 0 0 0 0
[  236.318407]  ? trace_hardirqs_off+0xb8/0x310
[  236.322781] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  236.326570]  __alloc_pages_slowpath+0x26e8/0x2e10
[  236.330939] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  236.344470]  ? warn_alloc+0x120/0x120
[  236.349266] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  236.364418]  ? print_usage_bug+0xc0/0xc0
[  236.368191] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  236.383425]  ? warn_alloc+0x120/0x120
[  236.387451] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  236.387458] 2041 total pagecache pages
[  236.396275]  ? warn_alloc+0x120/0x120
[  236.400046] 0 pages in swap cache
[  236.408613]  ? print_usage_bug+0xc0/0xc0
[  236.412474] Swap cache stats: add 0, delete 0, find 0/0
[  236.416262]  ? print_usage_bug+0xc0/0xc0
[  236.419698] Free swap  = 0kB
[  236.423736]  ? __lock_acquire+0x62f/0x4c20
[  236.429063] Total swap = 0kB
[  236.429070] 1965979 pages RAM
[  236.433111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.436100] 0 pages HighMem/MovableOnly
[  236.436107] 342854 pages reserved
[  236.440346]  ? should_fail+0x22d/0xd01
[  236.443334] 0 pages cma reserved
[  236.446425]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.451993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  236.455901]  ? __lock_acquire+0x62f/0x4c20
[  236.459408] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.463194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.466532] syz-executor3 cpuset=syz3 mems_allowed=0
[  236.471613]  ? __lock_acquire+0x62f/0x4c20
[  236.471629]  ? should_fail+0x22d/0xd01
[  236.511005]  ? find_held_lock+0x36/0x1c0
[  236.515063]  ? mark_held_locks+0x130/0x130
[  236.519291]  ? mark_held_locks+0x130/0x130
[  236.523513]  ? zap_class+0x640/0x640
[  236.527216]  ? zap_class+0x640/0x640
[  236.530925]  ? print_usage_bug+0xc0/0xc0
[  236.534983]  ? do_raw_spin_unlock+0xa7/0x330
[  236.539406]  ? zap_class+0x640/0x640
[  236.543109]  ? print_usage_bug+0xc0/0xc0
[  236.547159]  ? wq_watchdog_touch+0x9c/0xfe
[  236.551384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.556911]  ? check_preemption_disabled+0x48/0x280
[  236.561928]  ? __lock_is_held+0xb5/0x140
[  236.565985]  __alloc_pages_nodemask+0xa80/0xde0
[  236.570641]  ? zap_class+0x640/0x640
[  236.574371]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  236.579385]  ? find_held_lock+0x36/0x1c0
[  236.583442]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.588111]  ? lock_downgrade+0x900/0x900
[  236.592258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.597789]  cache_grow_begin+0xa5/0x8c0
[  236.601836]  ? do_raw_spin_unlock+0xa7/0x330
[  236.606242]  fallback_alloc+0x204/0x2e0
[  236.610321]  ____cache_alloc_node+0x1c7/0x1e0
[  236.614808]  kmem_cache_alloc_node+0xe3/0x730
[  236.619309]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.623545]  __alloc_skb+0x119/0x770
[  236.627246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.632515]  ? netdev_alloc_frag+0x1f0/0x1f0
[  236.636911]  ? lock_downgrade+0x900/0x900
[  236.641055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.646580]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.652023]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.657462]  ? addrconf_rs_timer+0x690/0x690
[  236.661865]  ndisc_alloc_skb+0x144/0x340
[  236.665917]  ndisc_send_rs+0x331/0x6e0
[  236.669798]  addrconf_rs_timer+0x314/0x690
[  236.674023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.678254]  call_timer_fn+0x272/0x920
[  236.682130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.686352]  ? process_timeout+0x40/0x40
[  236.690404]  ? __run_timers+0x7da/0xc70
[  236.694366]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.698849]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.703330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.707550]  ? lockdep_hardirqs_on+0x296/0x5b0
[  236.712123]  ? trace_hardirqs_on+0xbd/0x310
[  236.716429]  ? kasan_check_read+0x11/0x20
[  236.720561]  ? __run_timers+0x7da/0xc70
[  236.724522]  ? trace_hardirqs_off_caller+0x310/0x310
[  236.729616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.733842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.738063]  __run_timers+0x7e5/0xc70
[  236.741858]  ? timer_fixup_init+0x70/0x70
[  236.746080]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.750564]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.755046]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  236.759615]  ? trace_hardirqs_on+0xbd/0x310
[  236.763930]  ? kasan_check_read+0x11/0x20
[  236.768066]  ? finish_task_switch+0x1f4/0x910
[  236.772550]  ? trace_hardirqs_off_caller+0x310/0x310
[  236.777648]  ? compat_start_thread+0x80/0x80
[  236.782082]  ? pvclock_read_flags+0x160/0x160
[  236.786563]  ? __switch_to_asm+0x34/0x70
[  236.790616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.796143]  ? check_preemption_disabled+0x48/0x280
[  236.801157]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  236.806683]  ? rcu_pm_notify+0xc0/0xc0
[  236.810559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.816081]  ? check_preemption_disabled+0x48/0x280
[  236.821088]  run_timer_softirq+0x52/0xb0
[  236.825145]  ? rcu_read_lock_sched_held+0x14f/0x180
[  236.830147]  __do_softirq+0x308/0xb7e
[  236.833937]  ? trace_hardirqs_on_caller+0xc0/0x310
[  236.838857]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  236.843946]  ? trace_hardirqs_on+0x310/0x310
[  236.848347]  ? schedule+0x108/0x460
[  236.851971]  ? trace_hardirqs_off+0xb8/0x310
[  236.856364]  ? smpboot_thread_fn+0x68b/0xa00
[  236.860759]  ? trace_hardirqs_on+0x310/0x310
[  236.865168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.870731]  ? check_preemption_disabled+0x48/0x280
[  236.875736]  ? takeover_tasklets+0xa90/0xa90
[  236.880137]  run_ksoftirqd+0x5e/0x100
[  236.883935]  smpboot_thread_fn+0x68b/0xa00
[  236.888163]  ? sort_range+0x30/0x30
[  236.891791]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.896886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.902417]  ? __kthread_parkme+0xfb/0x1a0
[  236.906650]  ? sort_range+0x30/0x30
[  236.910273]  kthread+0x35a/0x440
[  236.913636]  ? kthread_stop+0x900/0x900
[  236.917730]  ret_from_fork+0x3a/0x50
[  236.921457] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  236.921517] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  236.928719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.928725] Call Trace:
[  236.935276] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.944547]  <IRQ>
[  236.947112] ksoftirqd/1 cpuset=/ mems_allowed=0
[  236.957410]  dump_stack+0x244/0x39d
[  236.967815]  ? dump_stack_print_info.cold.1+0x20/0x20
[  236.973009]  warn_alloc.cold.116+0xb7/0x1bd
[  236.977329]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.982173]  ? lock_downgrade+0x900/0x900
[  236.986329]  ? trace_hardirqs_off+0xb8/0x310
[  236.990734]  ? trace_hardirqs_off+0xb8/0x310
[  236.995144]  __alloc_pages_slowpath+0x26e8/0x2e10
[  237.000032]  ? warn_alloc+0x120/0x120
[  237.003829]  ? print_usage_bug+0xc0/0xc0
[  237.007976]  ? warn_alloc+0x120/0x120
[  237.011775]  ? warn_alloc+0x120/0x120
[  237.015572]  ? print_usage_bug+0xc0/0xc0
[  237.019631]  ? kvm_clock_read+0x18/0x30
[  237.023600]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  237.028615]  ? print_usage_bug+0xc0/0xc0
[  237.032675]  ? __lock_acquire+0x62f/0x4c20
[  237.036912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.042442]  ? should_fail+0x22d/0xd01
[  237.046326]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.051602]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.056699]  ? __lock_acquire+0x62f/0x4c20
[  237.060934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.066029]  ? __lock_acquire+0x62f/0x4c20
[  237.070277]  ? should_fail+0x22d/0xd01
[  237.074160]  ? rcu_irq_exit+0x1a2/0x390
[  237.078157]  ? mark_held_locks+0x130/0x130
[  237.082400]  ? mark_held_locks+0x130/0x130
[  237.086638]  ? mark_held_locks+0xc7/0x130
[  237.090780]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  237.095793]  ? zap_class+0x640/0x640
[  237.099504]  ? print_usage_bug+0xc0/0xc0
[  237.103573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.109108]  ? check_preemption_disabled+0x48/0x280
[  237.114130]  ? __lock_is_held+0xb5/0x140
[  237.118200]  __alloc_pages_nodemask+0xa80/0xde0
[  237.122869]  ? zap_class+0x640/0x640
[  237.126583]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  237.131819]  ? find_held_lock+0x36/0x1c0
[  237.135886]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.140552]  ? lock_downgrade+0x900/0x900
[  237.144715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.150258]  cache_grow_begin+0xa5/0x8c0
[  237.154314]  ? do_raw_spin_unlock+0xa7/0x330
[  237.158721]  fallback_alloc+0x204/0x2e0
[  237.162696]  ____cache_alloc_node+0x1c7/0x1e0
[  237.167201]  kmem_cache_alloc_node+0xe3/0x730
[  237.171692]  ? ipv6_get_ifaddr+0x42e/0x620
[  237.175929]  __alloc_skb+0x119/0x770
[  237.179645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.184920]  ? netdev_alloc_frag+0x1f0/0x1f0
[  237.189324]  ? lock_downgrade+0x900/0x900
[  237.193474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.199013]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.204454]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.209892]  ? addrconf_rs_timer+0x690/0x690
[  237.214294]  ndisc_alloc_skb+0x144/0x340
[  237.218344]  ndisc_send_rs+0x331/0x6e0
[  237.222224]  addrconf_rs_timer+0x314/0x690
[  237.226455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.230686]  call_timer_fn+0x272/0x920
[  237.234562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.238811]  ? process_timeout+0x40/0x40
[  237.242863]  ? __run_timers+0x7da/0xc70
[  237.246828]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.251313]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.255795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.260015]  ? lockdep_hardirqs_on+0x296/0x5b0
[  237.264587]  ? trace_hardirqs_on+0xbd/0x310
[  237.268892]  ? kasan_check_read+0x11/0x20
[  237.273026]  ? __run_timers+0x7da/0xc70
[  237.276987]  ? trace_hardirqs_off_caller+0x310/0x310
[  237.282080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.286306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.290529]  __run_timers+0x7e5/0xc70
[  237.294322]  ? timer_fixup_init+0x70/0x70
[  237.298486]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  237.303491]  ? zap_class+0x640/0x640
[  237.307198]  ? enqueue_hrtimer+0x1a5/0x560
[  237.311434]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  237.316625]  ? find_held_lock+0x36/0x1c0
[  237.320683]  ? zap_class+0x640/0x640
[  237.324392]  ? pvclock_read_flags+0x160/0x160
[  237.328896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.334427]  ? check_preemption_disabled+0x48/0x280
[  237.339449]  ? __lock_is_held+0xb5/0x140
[  237.343508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.349039]  ? check_preemption_disabled+0x48/0x280
[  237.354065]  run_timer_softirq+0x52/0xb0
[  237.358129]  ? rcu_read_lock_sched_held+0x14f/0x180
[  237.363147]  __do_softirq+0x308/0xb7e
[  237.366952]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  237.371438]  ? lock_downgrade+0x900/0x900
[  237.375585]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  237.380690]  ? pvclock_read_flags+0x160/0x160
[  237.385201]  ? lapic_next_event+0x5a/0x90
[  237.389364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.394900]  ? kvm_clock_read+0x18/0x30
[  237.398869]  ? kvm_sched_clock_read+0x9/0x20
[  237.403297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.408849]  ? check_preemption_disabled+0x48/0x280
[  237.413865]  irq_exit+0x17f/0x1c0
[  237.417308]  smp_apic_timer_interrupt+0x1cb/0x760
[  237.422141]  ? smp_reschedule_interrupt+0x109/0x650
[  237.427166]  ? smp_call_function_single_interrupt+0x650/0x650
[  237.433045]  ? interrupt_entry+0xb5/0xc0
[  237.437100]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.442104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.447112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.451947]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.456953]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.461963]  ? task_prio+0x50/0x50
[  237.465523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.471078]  ? check_preemption_disabled+0x48/0x280
[  237.476085]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.480922]  apic_timer_interrupt+0xf/0x20
[  237.485146]  </IRQ>
[  237.487376] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  237.492300] 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
[  237.511191] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  237.518885] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  237.526159] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  237.533415] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  237.540671] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  237.547933] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  237.555217]  skb_clone+0x1bb/0x500
[  237.558745]  ? finish_task_switch+0x2f4/0x910
[  237.563228]  ? skb_split+0x11e0/0x11e0
[  237.567104]  ? preempt_notifier_register+0x200/0x200
[  237.572191]  ? __switch_to_asm+0x34/0x70
[  237.576239]  ? __switch_to_asm+0x34/0x70
[  237.580291]  ? __switch_to_asm+0x40/0x70
[  237.584335]  ? __switch_to_asm+0x34/0x70
[  237.588383]  ? __switch_to_asm+0x40/0x70
[  237.592432]  ? __switch_to_asm+0x34/0x70
[  237.596477]  ? __switch_to_asm+0x40/0x70
[  237.600524]  ? __switch_to_asm+0x34/0x70
[  237.604607]  ? __switch_to_asm+0x34/0x70
[  237.608651]  ? __switch_to_asm+0x40/0x70
[  237.612701]  ? __switch_to_asm+0x34/0x70
[  237.616769]  bpf_clone_redirect+0xb9/0x490
[  237.620992]  ? __schedule+0x8d7/0x21d0
[  237.624881]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  237.629888]  ? __sched_text_start+0x8/0x8
[  237.634022]  ? retint_kernel+0x2d/0x2d
[  237.637897]  ? trace_hardirqs_on_caller+0xc0/0x310
[  237.642814]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  237.647559]  ? find_held_lock+0x36/0x1c0
[  237.651615]  ? lock_acquire+0x1ed/0x520
[  237.655585]  ? bpf_test_run+0x3cb/0x780
[  237.659549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.665074]  ? check_preemption_disabled+0x48/0x280
[  237.670083]  ? kasan_check_read+0x11/0x20
[  237.674229]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.679496]  ? rcu_softirq_qs+0x20/0x20
[  237.683462]  ? preempt_schedule+0x4d/0x60
[  237.687599]  ? ___preempt_schedule+0x16/0x18
[  237.692000]  ? bpf_test_run+0x25d/0x780
[  237.695967]  ? netlink_diag_dump+0x2a0/0x2a0
[  237.700386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.705910]  ? bpf_test_init.isra.10+0x70/0x100
[  237.710569]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  237.715321]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  237.720163]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.725692]  ? fput+0x130/0x1a0
[  237.728962]  ? __bpf_prog_get+0x9b/0x290
[  237.733018]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  237.737951]  ? bpf_prog_test_run+0x130/0x1a0
[  237.742352]  ? __x64_sys_bpf+0x3d8/0x520
[  237.746414]  ? bpf_prog_get+0x20/0x20
[  237.750219]  ? do_syscall_64+0x1b9/0x820
[  237.754269]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  237.759625]  ? syscall_return_slowpath+0x5e0/0x5e0
[  237.764566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.769408]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.774506]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  237.779514]  ? prepare_exit_to_usermode+0x291/0x3b0
[  237.784528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.789369]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  237.794752] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  237.794757] warn_alloc_show_mem: 1 callbacks suppressed
[  237.794762] Mem-Info:
[  237.801672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.801679] Call Trace:
[  237.807040] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  237.807040]  active_file:12 inactive_file:13 isolated_file:0
[  237.807040]  unevictable:0 dirty:0 writeback:0 unstable:0
[  237.807040]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  237.807040]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  237.807040]  free:13767 free_pcp:247 free_cma:0
[  237.809418]  dump_stack+0x244/0x39d
[  237.818780] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  237.821349]  ? dump_stack_print_info.cold.1+0x20/0x20
[  237.854364] 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
[  237.857983]  warn_alloc.cold.116+0xb7/0x1bd
[  237.885695] lowmem_reserve[]: 0 2818 6321 6321
[  237.890886]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.916960] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  237.921268]  ? lock_downgrade+0x900/0x900
[  237.925826] lowmem_reserve[]: 0 0 3503 3503
[  237.930685]  ? trace_hardirqs_off+0xb8/0x310
[  237.958501] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  237.962876]  ? trace_hardirqs_off+0xb8/0x310
[  237.967182] lowmem_reserve[]: 0 0 0 0
[  237.971592]  __alloc_pages_slowpath+0x26e8/0x2e10
[  238.000525] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  238.004936]  ? warn_alloc+0x120/0x120
[  238.008680] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  238.013526]  ? print_usage_bug+0xc0/0xc0
[  238.027014] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  238.030795]  ? warn_alloc+0x120/0x120
[  238.045937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  238.049982]  ? warn_alloc+0x120/0x120
[  238.065209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  238.068986]  ? print_usage_bug+0xc0/0xc0
[  238.077786] 2041 total pagecache pages
[  238.081564]  ? print_usage_bug+0xc0/0xc0
[  238.090205] 0 pages in swap cache
[  238.094240]  ? __lock_acquire+0x62f/0x4c20
[  238.098103] Swap cache stats: add 0, delete 0, find 0/0
[  238.102146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.105562] Free swap  = 0kB
[  238.109776]  ? should_fail+0x22d/0xd01
[  238.115115] Total swap = 0kB
[  238.120630]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.123614] 1965979 pages RAM
[  238.127479]  ? __lock_acquire+0x62f/0x4c20
[  238.130511] 0 pages HighMem/MovableOnly
[  238.130517] 342854 pages reserved
[  238.135601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.138669] 0 pages cma reserved
[  238.138729] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  238.142883]  ? __lock_acquire+0x62f/0x4c20
[  238.142894]  ? should_fail+0x22d/0xd01
[  238.142903]  ? find_held_lock+0x36/0x1c0
[  238.142921]  ? mark_held_locks+0x130/0x130
[  238.146903] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  238.150292]  ? mark_held_locks+0x130/0x130
[  238.155360] syz-executor3 cpuset=syz3 mems_allowed=0
[  238.158700]  ? zap_class+0x640/0x640
[  238.158716]  ? mark_held_locks+0xc7/0x130
[  238.209047]  ? do_raw_spin_unlock+0xa7/0x330
[  238.213444]  ? zap_class+0x640/0x640
[  238.217144]  ? print_usage_bug+0xc0/0xc0
[  238.221282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.226807]  ? check_preemption_disabled+0x48/0x280
[  238.231817]  ? __lock_is_held+0xb5/0x140
[  238.235868]  __alloc_pages_nodemask+0xa80/0xde0
[  238.240543]  ? zap_class+0x640/0x640
[  238.244246]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  238.249282]  ? find_held_lock+0x36/0x1c0
[  238.253366]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.258022]  ? lock_downgrade+0x900/0x900
[  238.262180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.267718]  cache_grow_begin+0xa5/0x8c0
[  238.271783]  ? do_raw_spin_unlock+0xa7/0x330
[  238.276191]  fallback_alloc+0x204/0x2e0
[  238.280161]  ____cache_alloc_node+0x1c7/0x1e0
[  238.284662]  kmem_cache_alloc_node+0xe3/0x730
[  238.289180]  ? ipv6_get_ifaddr+0x42e/0x620
[  238.293415]  __alloc_skb+0x119/0x770
[  238.297122]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.302415]  ? netdev_alloc_frag+0x1f0/0x1f0
[  238.306810]  ? lock_downgrade+0x900/0x900
[  238.310953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.316478]  ? refcount_sub_and_test_checked+0x203/0x310
[  238.321925]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  238.327365]  ? addrconf_rs_timer+0x690/0x690
[  238.331768]  ndisc_alloc_skb+0x144/0x340
[  238.335836]  ndisc_send_rs+0x331/0x6e0
[  238.339727]  addrconf_rs_timer+0x314/0x690
[  238.343951]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.348180]  call_timer_fn+0x272/0x920
[  238.352059]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.356285]  ? process_timeout+0x40/0x40
[  238.360348]  ? __run_timers+0x7da/0xc70
[  238.364316]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.368813]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.373292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.377513]  ? lockdep_hardirqs_on+0x296/0x5b0
[  238.382088]  ? trace_hardirqs_on+0xbd/0x310
[  238.386398]  ? kasan_check_read+0x11/0x20
[  238.390534]  ? __run_timers+0x7da/0xc70
[  238.394606]  ? trace_hardirqs_off_caller+0x310/0x310
[  238.399707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.403936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.408158]  __run_timers+0x7e5/0xc70
[  238.411957]  ? timer_fixup_init+0x70/0x70
[  238.416092]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.420574]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.425059]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  238.429634]  ? trace_hardirqs_on+0xbd/0x310
[  238.433939]  ? kasan_check_read+0x11/0x20
[  238.438080]  ? finish_task_switch+0x1f4/0x910
[  238.442565]  ? trace_hardirqs_off_caller+0x310/0x310
[  238.447746]  ? compat_start_thread+0x80/0x80
[  238.452174]  ? pvclock_read_flags+0x160/0x160
[  238.456655]  ? __switch_to_asm+0x34/0x70
[  238.460702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.466242]  ? check_preemption_disabled+0x48/0x280
[  238.471261]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  238.476784]  ? rcu_pm_notify+0xc0/0xc0
[  238.480663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.486188]  ? check_preemption_disabled+0x48/0x280
[  238.491193]  run_timer_softirq+0x52/0xb0
[  238.495241]  ? rcu_read_lock_sched_held+0x14f/0x180
[  238.500246]  __do_softirq+0x308/0xb7e
[  238.504049]  ? trace_hardirqs_on_caller+0xc0/0x310
[  238.508983]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  238.514077]  ? trace_hardirqs_on+0x310/0x310
[  238.518476]  ? schedule+0x108/0x460
[  238.522098]  ? trace_hardirqs_off+0xb8/0x310
[  238.526491]  ? smpboot_thread_fn+0x68b/0xa00
[  238.530883]  ? trace_hardirqs_on+0x310/0x310
[  238.535279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.540813]  ? check_preemption_disabled+0x48/0x280
[  238.545837]  ? takeover_tasklets+0xa90/0xa90
[  238.550246]  run_ksoftirqd+0x5e/0x100
[  238.554033]  smpboot_thread_fn+0x68b/0xa00
[  238.558262]  ? sort_range+0x30/0x30
[  238.561900]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.566993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.572522]  ? __kthread_parkme+0xfb/0x1a0
[  238.576832]  ? sort_range+0x30/0x30
[  238.580465]  kthread+0x35a/0x440
[  238.583822]  ? kthread_stop+0x900/0x900
[  238.587784]  ret_from_fork+0x3a/0x50
[  238.591506] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  238.591558] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  238.598762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.598768] Call Trace:
[  238.605299] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  238.614563]  <IRQ>
[  238.617123] ksoftirqd/1 cpuset=/ mems_allowed=0
[  238.627431]  dump_stack+0x244/0x39d
[  238.637841]  ? dump_stack_print_info.cold.1+0x20/0x20
[  238.643026]  warn_alloc.cold.116+0xb7/0x1bd
[  238.647343]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.652173]  ? lock_downgrade+0x900/0x900
[  238.656315]  ? trace_hardirqs_off+0xb8/0x310
[  238.660717]  ? trace_hardirqs_off+0xb8/0x310
[  238.665121]  __alloc_pages_slowpath+0x26e8/0x2e10
[  238.669969]  ? warn_alloc+0x120/0x120
[  238.673759]  ? print_usage_bug+0xc0/0xc0
[  238.677810]  ? warn_alloc+0x120/0x120
[  238.681601]  ? warn_alloc+0x120/0x120
[  238.685387]  ? print_usage_bug+0xc0/0xc0
[  238.689437]  ? print_usage_bug+0xc0/0xc0
[  238.693575]  ? __lock_acquire+0x62f/0x4c20
[  238.697808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.703331]  ? should_fail+0x22d/0xd01
[  238.707207]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.712296]  ? __lock_acquire+0x62f/0x4c20
[  238.716518]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.721608]  ? __lock_acquire+0x62f/0x4c20
[  238.725827]  ? should_fail+0x22d/0xd01
[  238.729706]  ? find_held_lock+0x36/0x1c0
[  238.733763]  ? mark_held_locks+0x130/0x130
[  238.737992]  ? mark_held_locks+0x130/0x130
[  238.742214]  ? zap_class+0x640/0x640
[  238.745922]  ? zap_class+0x640/0x640
[  238.749624]  ? print_usage_bug+0xc0/0xc0
[  238.753670]  ? do_raw_spin_unlock+0xa7/0x330
[  238.758069]  ? zap_class+0x640/0x640
[  238.761771]  ? print_usage_bug+0xc0/0xc0
[  238.765816]  ? wq_watchdog_touch+0x9c/0xfe
[  238.770048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.775581]  ? check_preemption_disabled+0x48/0x280
[  238.780589]  ? __lock_is_held+0xb5/0x140
[  238.784644]  __alloc_pages_nodemask+0xa80/0xde0
[  238.789306]  ? zap_class+0x640/0x640
[  238.793014]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  238.798046]  ? find_held_lock+0x36/0x1c0
[  238.802105]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.806762]  ? lock_downgrade+0x900/0x900
[  238.810902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.816431]  cache_grow_begin+0xa5/0x8c0
[  238.820477]  ? do_raw_spin_unlock+0xa7/0x330
[  238.824876]  fallback_alloc+0x204/0x2e0
[  238.828850]  ____cache_alloc_node+0x1c7/0x1e0
[  238.833353]  kmem_cache_alloc_node+0xe3/0x730
[  238.837842]  ? ipv6_get_ifaddr+0x42e/0x620
[  238.842086]  __alloc_skb+0x119/0x770
[  238.845788]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.851061]  ? netdev_alloc_frag+0x1f0/0x1f0
[  238.855467]  ? lock_downgrade+0x900/0x900
[  238.859610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.865135]  ? refcount_sub_and_test_checked+0x203/0x310
[  238.870582]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  238.876020]  ? addrconf_rs_timer+0x690/0x690
[  238.880435]  ndisc_alloc_skb+0x144/0x340
[  238.884486]  ndisc_send_rs+0x331/0x6e0
[  238.888371]  addrconf_rs_timer+0x314/0x690
[  238.892600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.896835]  call_timer_fn+0x272/0x920
[  238.900707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.904927]  ? process_timeout+0x40/0x40
[  238.908980]  ? __run_timers+0x7da/0xc70
[  238.912942]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.917420]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.921909]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.926131]  ? lockdep_hardirqs_on+0x296/0x5b0
[  238.930703]  ? trace_hardirqs_on+0xbd/0x310
[  238.935009]  ? kasan_check_read+0x11/0x20
[  238.939259]  ? __run_timers+0x7da/0xc70
[  238.943229]  ? trace_hardirqs_off_caller+0x310/0x310
[  238.948322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.952546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.956772]  __run_timers+0x7e5/0xc70
[  238.960573]  ? timer_fixup_init+0x70/0x70
[  238.964710]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  238.969714]  ? zap_class+0x640/0x640
[  238.973419]  ? enqueue_hrtimer+0x1a5/0x560
[  238.977640]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  238.982821]  ? find_held_lock+0x36/0x1c0
[  238.986871]  ? zap_class+0x640/0x640
[  238.990572]  ? pvclock_read_flags+0x160/0x160
[  238.995058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.000582]  ? check_preemption_disabled+0x48/0x280
[  239.005595]  ? __lock_is_held+0xb5/0x140
[  239.009644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.015174]  ? check_preemption_disabled+0x48/0x280
[  239.020267]  run_timer_softirq+0x52/0xb0
[  239.024313]  ? rcu_read_lock_sched_held+0x14f/0x180
[  239.029335]  __do_softirq+0x308/0xb7e
[  239.033128]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  239.037607]  ? lock_downgrade+0x900/0x900
[  239.041747]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  239.046845]  ? pvclock_read_flags+0x160/0x160
[  239.051332]  ? lapic_next_event+0x5a/0x90
[  239.055472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.060997]  ? kvm_clock_read+0x18/0x30
[  239.064979]  ? kvm_sched_clock_read+0x9/0x20
[  239.069382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.074928]  ? check_preemption_disabled+0x48/0x280
[  239.079975]  irq_exit+0x17f/0x1c0
[  239.083418]  smp_apic_timer_interrupt+0x1cb/0x760
[  239.088244]  ? smp_reschedule_interrupt+0x109/0x650
[  239.093247]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.099120]  ? interrupt_entry+0xb5/0xc0
[  239.103176]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.108178]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.113182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.118033]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.123052]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.128059]  ? task_prio+0x50/0x50
[  239.131755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.137292]  ? check_preemption_disabled+0x48/0x280
[  239.142298]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.147219]  apic_timer_interrupt+0xf/0x20
[  239.151434]  </IRQ>
[  239.153657] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  239.158579] 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
[  239.177463] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  239.185155] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  239.192411] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  239.199664] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  239.206920] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  239.214187] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  239.221475]  skb_clone+0x1bb/0x500
[  239.225016]  ? finish_task_switch+0x2f4/0x910
[  239.229499]  ? skb_split+0x11e0/0x11e0
[  239.233374]  ? preempt_notifier_register+0x200/0x200
[  239.238503]  ? __switch_to_asm+0x34/0x70
[  239.242552]  ? __switch_to_asm+0x34/0x70
[  239.246596]  ? __switch_to_asm+0x40/0x70
[  239.250658]  ? __switch_to_asm+0x34/0x70
[  239.254705]  ? __switch_to_asm+0x40/0x70
[  239.258757]  ? __switch_to_asm+0x34/0x70
[  239.262802]  ? __switch_to_asm+0x40/0x70
[  239.266846]  ? __switch_to_asm+0x34/0x70
[  239.270891]  ? __switch_to_asm+0x34/0x70
[  239.274935]  ? __switch_to_asm+0x40/0x70
[  239.278981]  ? __switch_to_asm+0x34/0x70
[  239.283042]  bpf_clone_redirect+0xb9/0x490
[  239.287268]  ? __schedule+0x8d7/0x21d0
[  239.291149]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  239.296155]  ? __sched_text_start+0x8/0x8
[  239.300293]  ? retint_kernel+0x2d/0x2d
[  239.304167]  ? trace_hardirqs_on_caller+0xc0/0x310
[  239.309083]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  239.313832]  ? find_held_lock+0x36/0x1c0
[  239.317885]  ? lock_acquire+0x1ed/0x520
[  239.321845]  ? bpf_test_run+0x3cb/0x780
[  239.325805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.331327]  ? check_preemption_disabled+0x48/0x280
[  239.336333]  ? kasan_check_read+0x11/0x20
[  239.340467]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.345734]  ? rcu_softirq_qs+0x20/0x20
[  239.349694]  ? preempt_schedule+0x4d/0x60
[  239.353833]  ? ___preempt_schedule+0x16/0x18
[  239.358232]  ? bpf_test_run+0x25d/0x780
[  239.362206]  ? netlink_diag_dump+0x2a0/0x2a0
[  239.366601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.372124]  ? bpf_test_init.isra.10+0x70/0x100
[  239.376785]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  239.381533]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  239.386360]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  239.391888]  ? fput+0x130/0x1a0
[  239.395154]  ? __bpf_prog_get+0x9b/0x290
[  239.399203]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  239.404035]  ? bpf_prog_test_run+0x130/0x1a0
[  239.408432]  ? __x64_sys_bpf+0x3d8/0x520
[  239.412481]  ? bpf_prog_get+0x20/0x20
[  239.416299]  ? do_syscall_64+0x1b9/0x820
[  239.420347]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  239.425696]  ? syscall_return_slowpath+0x5e0/0x5e0
[  239.430616]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.435450]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.440453]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  239.445455]  ? prepare_exit_to_usermode+0x291/0x3b0
[  239.450463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.455328]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  239.460689] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  239.460693] warn_alloc_show_mem: 1 callbacks suppressed
[  239.460698] Mem-Info:
[  239.467607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.467613] Call Trace:
[  239.472970] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  239.472970]  active_file:12 inactive_file:13 isolated_file:0
[  239.472970]  unevictable:0 dirty:0 writeback:0 unstable:0
[  239.472970]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  239.472970]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  239.472970]  free:13767 free_pcp:247 free_cma:0
[  239.475346]  dump_stack+0x244/0x39d
[  239.484682] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  239.487245]  ? dump_stack_print_info.cold.1+0x20/0x20
[  239.520263] 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
[  239.523880]  warn_alloc.cold.116+0xb7/0x1bd
[  239.551505] lowmem_reserve[]: 0 2818 6321 6321
[  239.556682]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.582755] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  239.587081]  ? lock_downgrade+0x900/0x900
[  239.591616] lowmem_reserve[]: 0 0 3503 3503
[  239.596446]  ? trace_hardirqs_off+0xb8/0x310
[  239.624247] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  239.628387]  ? trace_hardirqs_off+0xb8/0x310
[  239.632666] lowmem_reserve[]: 0 0 0 0
[  239.637084]  __alloc_pages_slowpath+0x26e8/0x2e10
[  239.666018] 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
[  239.670425]  ? warn_alloc+0x120/0x120
[  239.674179] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  239.679015]  ? print_usage_bug+0xc0/0xc0
[  239.692500] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  239.696292]  ? warn_alloc+0x120/0x120
[  239.711434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  239.715486]  ? warn_alloc+0x120/0x120
[  239.730710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  239.734491]  ? print_usage_bug+0xc0/0xc0
[  239.743291] 2041 total pagecache pages
[  239.747073]  ? print_usage_bug+0xc0/0xc0
[  239.755616] 0 pages in swap cache
[  239.759654]  ? __lock_acquire+0x62f/0x4c20
[  239.763509] Swap cache stats: add 0, delete 0, find 0/0
[  239.767548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.770978] Free swap  = 0kB
[  239.775194]  ? should_fail+0x22d/0xd01
[  239.780521] Total swap = 0kB
[  239.786038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.789025] 1965979 pages RAM
[  239.792894]  ? __lock_acquire+0x62f/0x4c20
[  239.795874] 0 pages HighMem/MovableOnly
[  239.795880] 342854 pages reserved
[  239.800967]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.804046] 0 pages cma reserved
[  239.808255]  ? __lock_acquire+0x62f/0x4c20
[  239.808267]  ? should_fail+0x22d/0xd01
[  239.812260] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.815642]  ? find_held_lock+0x36/0x1c0
[  239.820859] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.824061]  ? mark_held_locks+0x130/0x130
[  239.828258] syz-executor3 cpuset=syz3 mems_allowed=0
[  239.832126]  ? mark_held_locks+0x130/0x130
[  239.866574]  ? zap_class+0x640/0x640
[  239.870280]  ? mark_held_locks+0xc7/0x130
[  239.874414]  ? do_raw_spin_unlock+0xa7/0x330
[  239.878811]  ? zap_class+0x640/0x640
[  239.882512]  ? print_usage_bug+0xc0/0xc0
[  239.886565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.892093]  ? check_preemption_disabled+0x48/0x280
[  239.897105]  ? __lock_is_held+0xb5/0x140
[  239.901160]  __alloc_pages_nodemask+0xa80/0xde0
[  239.905813]  ? zap_class+0x640/0x640
[  239.909519]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  239.914538]  ? find_held_lock+0x36/0x1c0
[  239.918593]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.923251]  ? lock_downgrade+0x900/0x900
[  239.927394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.932923]  cache_grow_begin+0xa5/0x8c0
[  239.936977]  ? do_raw_spin_unlock+0xa7/0x330
[  239.941381]  fallback_alloc+0x204/0x2e0
[  239.945365]  ____cache_alloc_node+0x1c7/0x1e0
[  239.949852]  kmem_cache_alloc_node+0xe3/0x730
[  239.954352]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.958579]  __alloc_skb+0x119/0x770
[  239.962516]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.967788]  ? netdev_alloc_frag+0x1f0/0x1f0
[  239.972184]  ? lock_downgrade+0x900/0x900
[  239.976324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.981858]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.987301]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.992736]  ? addrconf_rs_timer+0x690/0x690
[  239.997150]  ndisc_alloc_skb+0x144/0x340
[  240.001215]  ndisc_send_rs+0x331/0x6e0
[  240.005093]  addrconf_rs_timer+0x314/0x690
[  240.009323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.013553]  call_timer_fn+0x272/0x920
[  240.017429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.021656]  ? process_timeout+0x40/0x40
[  240.025721]  ? __run_timers+0x7da/0xc70
[  240.029698]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.034186]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.038767]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.042988]  ? lockdep_hardirqs_on+0x296/0x5b0
[  240.047562]  ? trace_hardirqs_on+0xbd/0x310
[  240.051868]  ? kasan_check_read+0x11/0x20
[  240.055999]  ? __run_timers+0x7da/0xc70
[  240.059964]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.065057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.069286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.073505]  __run_timers+0x7e5/0xc70
[  240.077303]  ? timer_fixup_init+0x70/0x70
[  240.081459]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.085947]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.090434]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  240.095008]  ? trace_hardirqs_on+0xbd/0x310
[  240.099409]  ? kasan_check_read+0x11/0x20
[  240.103546]  ? finish_task_switch+0x1f4/0x910
[  240.108035]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.113127]  ? compat_start_thread+0x80/0x80
[  240.117541]  ? pvclock_read_flags+0x160/0x160
[  240.122022]  ? __switch_to_asm+0x34/0x70
[  240.126081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.131605]  ? check_preemption_disabled+0x48/0x280
[  240.136615]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  240.142140]  ? rcu_pm_notify+0xc0/0xc0
[  240.146021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.151547]  ? check_preemption_disabled+0x48/0x280
[  240.156554]  run_timer_softirq+0x52/0xb0
[  240.160604]  ? rcu_read_lock_sched_held+0x14f/0x180
[  240.165610]  __do_softirq+0x308/0xb7e
[  240.169411]  ? trace_hardirqs_on_caller+0xc0/0x310
[  240.174331]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  240.179420]  ? trace_hardirqs_on+0x310/0x310
[  240.183825]  ? schedule+0x108/0x460
[  240.187465]  ? trace_hardirqs_off+0xb8/0x310
[  240.191862]  ? smpboot_thread_fn+0x68b/0xa00
[  240.196277]  ? trace_hardirqs_on+0x310/0x310
[  240.200674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.206287]  ? check_preemption_disabled+0x48/0x280
[  240.211291]  ? takeover_tasklets+0xa90/0xa90
[  240.215687]  run_ksoftirqd+0x5e/0x100
[  240.219475]  smpboot_thread_fn+0x68b/0xa00
[  240.223787]  ? sort_range+0x30/0x30
[  240.227402]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.232509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.238046]  ? __kthread_parkme+0xfb/0x1a0
[  240.242267]  ? sort_range+0x30/0x30
[  240.245879]  kthread+0x35a/0x440
[  240.249235]  ? kthread_stop+0x900/0x900
[  240.253197]  ret_from_fork+0x3a/0x50
[  240.257095] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  240.257160] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  240.264357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.264361] Call Trace:
[  240.264367]  <IRQ>
[  240.264378]  dump_stack+0x244/0x39d
[  240.264394]  ? dump_stack_print_info.cold.1+0x20/0x20
[  240.270945] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  240.280203]  warn_alloc.cold.116+0xb7/0x1bd
[  240.282750] ksoftirqd/1 cpuset=/ mems_allowed=0
[  240.284983]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.317823]  ? lock_downgrade+0x900/0x900
[  240.321965]  ? trace_hardirqs_off+0xb8/0x310
[  240.326397]  ? trace_hardirqs_off+0xb8/0x310
[  240.330798]  __alloc_pages_slowpath+0x26e8/0x2e10
[  240.335649]  ? warn_alloc+0x120/0x120
[  240.339439]  ? warn_alloc+0x120/0x120
[  240.343250]  ? warn_alloc+0x120/0x120
[  240.347037]  ? print_usage_bug+0xc0/0xc0
[  240.351085]  ? warn_alloc+0x120/0x120
[  240.354872]  ? print_usage_bug+0xc0/0xc0
[  240.358937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.364460]  ? should_fail+0x22d/0xd01
[  240.368347]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.373442]  ? __lock_acquire+0x62f/0x4c20
[  240.377673]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.382764]  ? __lock_acquire+0x62f/0x4c20
[  240.386994]  ? should_fail+0x22d/0xd01
[  240.390879]  ? mark_held_locks+0x130/0x130
[  240.395121]  ? mark_held_locks+0x130/0x130
[  240.399347]  ? mark_held_locks+0x130/0x130
[  240.403568]  ? zap_class+0x640/0x640
[  240.407278]  ? print_usage_bug+0xc0/0xc0
[  240.411325]  ? mark_held_locks+0x130/0x130
[  240.415546]  ? print_usage_bug+0xc0/0xc0
[  240.419594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.425119]  ? check_preemption_disabled+0x48/0x280
[  240.430128]  ? __lock_is_held+0xb5/0x140
[  240.434182]  __alloc_pages_nodemask+0xa80/0xde0
[  240.438837]  ? zap_class+0x640/0x640
[  240.442540]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  240.447551]  ? find_held_lock+0x36/0x1c0
[  240.451606]  ? ____cache_alloc_node+0x1c7/0x1e0
[  240.456260]  ? lock_downgrade+0x900/0x900
[  240.460398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.465956]  cache_grow_begin+0xa5/0x8c0
[  240.470005]  ? do_raw_spin_unlock+0xa7/0x330
[  240.474404]  fallback_alloc+0x204/0x2e0
[  240.478371]  ____cache_alloc_node+0x1c7/0x1e0
[  240.482856]  kmem_cache_alloc_node+0xe3/0x730
[  240.487337]  ? ipv6_get_ifaddr+0x42e/0x620
[  240.491569]  __alloc_skb+0x119/0x770
[  240.495270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.500560]  ? netdev_alloc_frag+0x1f0/0x1f0
[  240.504957]  ? lock_downgrade+0x900/0x900
[  240.509096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.514618]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.520065]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.525504]  ? addrconf_rs_timer+0x690/0x690
[  240.530024]  ndisc_alloc_skb+0x144/0x340
[  240.534076]  ndisc_send_rs+0x331/0x6e0
[  240.537955]  addrconf_rs_timer+0x314/0x690
[  240.542181]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.546427]  call_timer_fn+0x272/0x920
[  240.550311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.554532]  ? process_timeout+0x40/0x40
[  240.558589]  ? __run_timers+0x7da/0xc70
[  240.562551]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.567038]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.571521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.575740]  ? lockdep_hardirqs_on+0x296/0x5b0
[  240.580313]  ? trace_hardirqs_on+0xbd/0x310
[  240.584622]  ? kasan_check_read+0x11/0x20
[  240.588761]  ? __run_timers+0x7da/0xc70
[  240.592721]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.597818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.602073]  __run_timers+0x7e5/0xc70
[  240.605904]  ? timer_fixup_init+0x70/0x70
[  240.610046]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  240.615059]  ? zap_class+0x640/0x640
[  240.618765]  ? enqueue_hrtimer+0x1a5/0x560
[  240.623007]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  240.628190]  ? find_held_lock+0x36/0x1c0
[  240.632242]  ? zap_class+0x640/0x640
[  240.635948]  ? pvclock_read_flags+0x160/0x160
[  240.640430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.645978]  ? check_preemption_disabled+0x48/0x280
[  240.650996]  ? __lock_is_held+0xb5/0x140
[  240.655061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.660607]  ? check_preemption_disabled+0x48/0x280
[  240.665623]  run_timer_softirq+0x52/0xb0
[  240.669771]  ? rcu_read_lock_sched_held+0x14f/0x180
[  240.674773]  __do_softirq+0x308/0xb7e
[  240.678565]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  240.683053]  ? lock_downgrade+0x900/0x900
[  240.687193]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  240.692295]  ? pvclock_read_flags+0x160/0x160
[  240.696777]  ? lapic_next_event+0x5a/0x90
[  240.700916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.706444]  ? kvm_clock_read+0x18/0x30
[  240.710404]  ? kvm_sched_clock_read+0x9/0x20
[  240.714799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.720322]  ? check_preemption_disabled+0x48/0x280
[  240.725345]  irq_exit+0x17f/0x1c0
[  240.728787]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.733643]  ? smp_reschedule_interrupt+0x109/0x650
[  240.738646]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.744515]  ? interrupt_entry+0xb5/0xc0
[  240.748575]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.753580]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.758582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.763410]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.768412]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.773412]  ? task_prio+0x50/0x50
[  240.776949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.782569]  ? check_preemption_disabled+0x48/0x280
[  240.787575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.792413]  apic_timer_interrupt+0xf/0x20
[  240.796650]  </IRQ>
[  240.798880] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  240.803801] 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
[  240.822688] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  240.830380] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  240.837634] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  240.844890] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  240.852165] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  240.859419] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  240.866702]  skb_clone+0x1bb/0x500
[  240.870230]  ? finish_task_switch+0x2f4/0x910
[  240.874712]  ? skb_split+0x11e0/0x11e0
[  240.878589]  ? preempt_notifier_register+0x200/0x200
[  240.883677]  ? __switch_to_asm+0x34/0x70
[  240.887833]  ? __switch_to_asm+0x34/0x70
[  240.891888]  ? __switch_to_asm+0x40/0x70
[  240.895943]  ? __switch_to_asm+0x34/0x70
[  240.899996]  ? __switch_to_asm+0x40/0x70
[  240.904042]  ? __switch_to_asm+0x34/0x70
[  240.908086]  ? __switch_to_asm+0x40/0x70
[  240.912147]  ? __switch_to_asm+0x34/0x70
[  240.916196]  ? __switch_to_asm+0x34/0x70
[  240.920242]  ? __switch_to_asm+0x40/0x70
[  240.924291]  ? __switch_to_asm+0x34/0x70
[  240.928351]  bpf_clone_redirect+0xb9/0x490
[  240.932578]  ? __schedule+0x8d7/0x21d0
[  240.936455]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  240.941457]  ? __sched_text_start+0x8/0x8
[  240.945593]  ? retint_kernel+0x2d/0x2d
[  240.949468]  ? trace_hardirqs_on_caller+0xc0/0x310
[  240.954383]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.959130]  ? find_held_lock+0x36/0x1c0
[  240.963192]  ? lock_acquire+0x1ed/0x520
[  240.967153]  ? bpf_test_run+0x3cb/0x780
[  240.971118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.976642]  ? check_preemption_disabled+0x48/0x280
[  240.981763]  ? kasan_check_read+0x11/0x20
[  240.985902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.991163]  ? rcu_softirq_qs+0x20/0x20
[  240.995124]  ? preempt_schedule+0x4d/0x60
[  240.999261]  ? ___preempt_schedule+0x16/0x18
[  241.003663]  ? bpf_test_run+0x25d/0x780
[  241.007633]  ? netlink_diag_dump+0x2a0/0x2a0
[  241.012044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.017568]  ? bpf_test_init.isra.10+0x70/0x100
[  241.022226]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  241.026975]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  241.031802]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  241.037341]  ? fput+0x130/0x1a0
[  241.040607]  ? __bpf_prog_get+0x9b/0x290
[  241.044673]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  241.049532]  ? bpf_prog_test_run+0x130/0x1a0
[  241.053932]  ? __x64_sys_bpf+0x3d8/0x520
[  241.057977]  ? bpf_prog_get+0x20/0x20
[  241.061780]  ? do_syscall_64+0x1b9/0x820
[  241.065858]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  241.071252]  ? syscall_return_slowpath+0x5e0/0x5e0
[  241.076166]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.081006]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.086013]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  241.091018]  ? prepare_exit_to_usermode+0x291/0x3b0
[  241.096116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.100952]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  241.106310] warn_alloc_show_mem: 1 callbacks suppressed
[  241.106318] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  241.106320] Mem-Info:
[  241.106346] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  241.106346]  active_file:12 inactive_file:13 isolated_file:0
[  241.106346]  unevictable:0 dirty:0 writeback:0 unstable:0
[  241.106346]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  241.106346]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  241.106346]  free:13767 free_pcp:247 free_cma:0
[  241.111668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.111675] Call Trace:
[  241.118698] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  241.121090]  dump_stack+0x244/0x39d
[  241.154276] 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
[  241.163623]  ? dump_stack_print_info.cold.1+0x20/0x20
[  241.166167] lowmem_reserve[]: 0 2818 6321 6321
[  241.193920]  warn_alloc.cold.116+0xb7/0x1bd
[  241.197528] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  241.223899]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.229051] lowmem_reserve[]: 0 0 3503 3503
[  241.233628]  ? lock_downgrade+0x900/0x900
[  241.237917] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  241.265838]  ? trace_hardirqs_off+0xb8/0x310
[  241.270646] lowmem_reserve[]: 0 0 0 0
[  241.274955]  ? trace_hardirqs_off+0xb8/0x310
[  241.279070] 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
[  241.308029]  __alloc_pages_slowpath+0x26e8/0x2e10
[  241.312395] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  241.316208]  ? warn_alloc+0x120/0x120
[  241.320564] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  241.334076]  ? print_usage_bug+0xc0/0xc0
[  241.338890] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  241.354145]  ? warn_alloc+0x120/0x120
[  241.357925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  241.373269]  ? warn_alloc+0x120/0x120
[  241.377302] 2041 total pagecache pages
[  241.386117]  ? print_usage_bug+0xc0/0xc0
[  241.389898] 0 pages in swap cache
[  241.398459]  ? print_usage_bug+0xc0/0xc0
[  241.402311] Swap cache stats: add 0, delete 0, find 0/0
[  241.402317] Free swap  = 0kB
[  241.406188]  ? __lock_acquire+0x62f/0x4c20
[  241.410296] Total swap = 0kB
[  241.410303] 1965979 pages RAM
[  241.413736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.417755] 0 pages HighMem/MovableOnly
[  241.417762] 342854 pages reserved
[  241.423102]  ? should_fail+0x22d/0xd01
[  241.426100] 0 pages cma reserved
[  241.430313]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.433351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.436397]  ? __lock_acquire+0x62f/0x4c20
[  241.441977] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.445871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.449290] syz-executor3 cpuset=syz3 mems_allowed=0
[  241.453154]  ? __lock_acquire+0x62f/0x4c20
[  241.453166]  ? should_fail+0x22d/0xd01
[  241.500984]  ? mark_held_locks+0x130/0x130
[  241.505211]  ? mark_held_locks+0x130/0x130
[  241.509516]  ? zap_class+0x640/0x640
[  241.513224]  ? zap_class+0x640/0x640
[  241.517018]  ? print_usage_bug+0xc0/0xc0
[  241.521068]  ? mark_held_locks+0x130/0x130
[  241.525290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.530921]  ? check_preemption_disabled+0x48/0x280
[  241.535933]  ? __lock_is_held+0xb5/0x140
[  241.539986]  __alloc_pages_nodemask+0xa80/0xde0
[  241.544638]  ? zap_class+0x640/0x640
[  241.548346]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  241.553358]  ? find_held_lock+0x36/0x1c0
[  241.557413]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.562081]  ? lock_downgrade+0x900/0x900
[  241.566222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.571751]  cache_grow_begin+0xa5/0x8c0
[  241.575823]  ? do_raw_spin_unlock+0xa7/0x330
[  241.580224]  fallback_alloc+0x204/0x2e0
[  241.584190]  ____cache_alloc_node+0x1c7/0x1e0
[  241.588676]  kmem_cache_alloc_node+0xe3/0x730
[  241.593162]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.597401]  __alloc_skb+0x119/0x770
[  241.601106]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.606381]  ? netdev_alloc_frag+0x1f0/0x1f0
[  241.610777]  ? lock_downgrade+0x900/0x900
[  241.614931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.620453]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.625892]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.631341]  ? addrconf_rs_timer+0x690/0x690
[  241.635745]  ndisc_alloc_skb+0x144/0x340
[  241.639802]  ndisc_send_rs+0x331/0x6e0
[  241.643682]  addrconf_rs_timer+0x314/0x690
[  241.647911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.652139]  call_timer_fn+0x272/0x920
[  241.656035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.660260]  ? process_timeout+0x40/0x40
[  241.664316]  ? __run_timers+0x7da/0xc70
[  241.668298]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.672786]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.677377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.681596]  ? lockdep_hardirqs_on+0x296/0x5b0
[  241.686169]  ? trace_hardirqs_on+0xbd/0x310
[  241.690479]  ? kasan_check_read+0x11/0x20
[  241.694611]  ? __run_timers+0x7da/0xc70
[  241.698572]  ? trace_hardirqs_off_caller+0x310/0x310
[  241.703670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.707892]  __run_timers+0x7e5/0xc70
[  241.711702]  ? timer_fixup_init+0x70/0x70
[  241.715939]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.720428]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.724911]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  241.729482]  ? trace_hardirqs_on+0xbd/0x310
[  241.733798]  ? kasan_check_read+0x11/0x20
[  241.737934]  ? finish_task_switch+0x1f4/0x910
[  241.742429]  ? trace_hardirqs_off_caller+0x310/0x310
[  241.747521]  ? compat_start_thread+0x80/0x80
[  241.751943]  ? pvclock_read_flags+0x160/0x160
[  241.756425]  ? __switch_to_asm+0x34/0x70
[  241.760482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.766006]  ? check_preemption_disabled+0x48/0x280
[  241.771015]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  241.776545]  ? rcu_pm_notify+0xc0/0xc0
[  241.780422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.785964]  ? check_preemption_disabled+0x48/0x280
[  241.790968]  run_timer_softirq+0x52/0xb0
[  241.795021]  ? rcu_read_lock_sched_held+0x14f/0x180
[  241.800025]  __do_softirq+0x308/0xb7e
[  241.803816]  ? trace_hardirqs_on_caller+0xc0/0x310
[  241.808733]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  241.813822]  ? trace_hardirqs_on+0x310/0x310
[  241.818223]  ? schedule+0x108/0x460
[  241.821844]  ? trace_hardirqs_off+0xb8/0x310
[  241.826240]  ? smpboot_thread_fn+0x68b/0xa00
[  241.830633]  ? trace_hardirqs_on+0x310/0x310
[  241.835043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.840566]  ? check_preemption_disabled+0x48/0x280
[  241.845571]  ? takeover_tasklets+0xa90/0xa90
[  241.849966]  run_ksoftirqd+0x5e/0x100
[  241.853753]  smpboot_thread_fn+0x68b/0xa00
[  241.857980]  ? sort_range+0x30/0x30
[  241.861591]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.866687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.872212]  ? __kthread_parkme+0xfb/0x1a0
[  241.876438]  ? sort_range+0x30/0x30
[  241.880140]  kthread+0x35a/0x440
[  241.883508]  ? kthread_stop+0x900/0x900
[  241.887467]  ret_from_fork+0x3a/0x50
[  241.891182] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  241.891237] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.898436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.898442] Call Trace:
[  241.904968] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.914339]  <IRQ>
[  241.916895] ksoftirqd/1 cpuset=/ mems_allowed=0
[  241.927207]  dump_stack+0x244/0x39d
[  241.937611]  ? dump_stack_print_info.cold.1+0x20/0x20
[  241.942812]  warn_alloc.cold.116+0xb7/0x1bd
[  241.947121]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.951952]  ? lock_downgrade+0x900/0x900
[  241.956093]  ? trace_hardirqs_off+0xb8/0x310
[  241.960495]  ? trace_hardirqs_off+0xb8/0x310
[  241.965407]  __alloc_pages_slowpath+0x26e8/0x2e10
[  241.970258]  ? warn_alloc+0x120/0x120
[  241.974047]  ? print_usage_bug+0xc0/0xc0
[  241.978094]  ? warn_alloc+0x120/0x120
[  241.981896]  ? warn_alloc+0x120/0x120
[  241.985685]  ? print_usage_bug+0xc0/0xc0
[  241.989736]  ? kvm_clock_read+0x18/0x30
[  241.993700]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  241.998705]  ? print_usage_bug+0xc0/0xc0
[  242.002757]  ? __lock_acquire+0x62f/0x4c20
[  242.006998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.012527]  ? should_fail+0x22d/0xd01
[  242.016400]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.021682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.026779]  ? __lock_acquire+0x62f/0x4c20
[  242.031006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.036093]  ? __lock_acquire+0x62f/0x4c20
[  242.040315]  ? should_fail+0x22d/0xd01
[  242.044193]  ? rcu_irq_exit+0x1a2/0x390
[  242.048160]  ? mark_held_locks+0x130/0x130
[  242.052385]  ? mark_held_locks+0x130/0x130
[  242.056611]  ? mark_held_locks+0xc7/0x130
[  242.060744]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  242.065750]  ? zap_class+0x640/0x640
[  242.069463]  ? print_usage_bug+0xc0/0xc0
[  242.073512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.079124]  ? check_preemption_disabled+0x48/0x280
[  242.084134]  ? __lock_is_held+0xb5/0x140
[  242.088943]  __alloc_pages_nodemask+0xa80/0xde0
[  242.093600]  ? zap_class+0x640/0x640
[  242.097307]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  242.102325]  ? find_held_lock+0x36/0x1c0
[  242.106381]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.111038]  ? lock_downgrade+0x900/0x900
[  242.115178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.120705]  cache_grow_begin+0xa5/0x8c0
[  242.124767]  ? do_raw_spin_unlock+0xa7/0x330
[  242.129173]  fallback_alloc+0x204/0x2e0
[  242.133141]  ____cache_alloc_node+0x1c7/0x1e0
[  242.137627]  kmem_cache_alloc_node+0xe3/0x730
[  242.142112]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.146368]  __alloc_skb+0x119/0x770
[  242.150071]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.155340]  ? netdev_alloc_frag+0x1f0/0x1f0
[  242.159734]  ? lock_downgrade+0x900/0x900
[  242.163878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.169404]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.174861]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.180297]  ? addrconf_rs_timer+0x690/0x690
[  242.184701]  ndisc_alloc_skb+0x144/0x340
[  242.188755]  ndisc_send_rs+0x331/0x6e0
[  242.192666]  addrconf_rs_timer+0x314/0x690
[  242.196893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.201148]  call_timer_fn+0x272/0x920
[  242.205021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.209244]  ? process_timeout+0x40/0x40
[  242.213305]  ? __run_timers+0x7da/0xc70
[  242.217274]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.221762]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.226262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.230493]  ? lockdep_hardirqs_on+0x296/0x5b0
[  242.235098]  ? trace_hardirqs_on+0xbd/0x310
[  242.239491]  ? kasan_check_read+0x11/0x20
[  242.243625]  ? __run_timers+0x7da/0xc70
[  242.247586]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.252676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.256914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.261141]  __run_timers+0x7e5/0xc70
[  242.264932]  ? timer_fixup_init+0x70/0x70
[  242.269077]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.274084]  ? zap_class+0x640/0x640
[  242.277795]  ? enqueue_hrtimer+0x1a5/0x560
[  242.282018]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  242.287196]  ? find_held_lock+0x36/0x1c0
[  242.291334]  ? zap_class+0x640/0x640
[  242.295036]  ? pvclock_read_flags+0x160/0x160
[  242.299517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.305043]  ? check_preemption_disabled+0x48/0x280
[  242.310053]  ? __lock_is_held+0xb5/0x140
[  242.314109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.319632]  ? check_preemption_disabled+0x48/0x280
[  242.324637]  run_timer_softirq+0x52/0xb0
[  242.328688]  ? rcu_read_lock_sched_held+0x14f/0x180
[  242.333690]  __do_softirq+0x308/0xb7e
[  242.337496]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  242.341981]  ? lock_downgrade+0x900/0x900
[  242.346134]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  242.351233]  ? pvclock_read_flags+0x160/0x160
[  242.355962]  ? lapic_next_event+0x5a/0x90
[  242.360101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.365629]  ? kvm_clock_read+0x18/0x30
[  242.369679]  ? kvm_sched_clock_read+0x9/0x20
[  242.374090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.379615]  ? check_preemption_disabled+0x48/0x280
[  242.384624]  irq_exit+0x17f/0x1c0
[  242.388065]  smp_apic_timer_interrupt+0x1cb/0x760
[  242.392896]  ? smp_reschedule_interrupt+0x109/0x650
[  242.397899]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.403777]  ? interrupt_entry+0xb5/0xc0
[  242.407854]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.412877]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.417880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.422758]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.427767]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.432771]  ? task_prio+0x50/0x50
[  242.436303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.441827]  ? check_preemption_disabled+0x48/0x280
[  242.446836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.451669]  apic_timer_interrupt+0xf/0x20
[  242.455975]  </IRQ>
[  242.458199] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  242.463145] 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
[  242.482033] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  242.489731] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  242.496989] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  242.504241] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  242.511498] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  242.518755] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  242.526061]  skb_clone+0x1bb/0x500
[  242.529594]  ? finish_task_switch+0x2f4/0x910
[  242.534077]  ? skb_split+0x11e0/0x11e0
[  242.537954]  ? preempt_notifier_register+0x200/0x200
[  242.543042]  ? __switch_to_asm+0x34/0x70
[  242.547126]  ? __switch_to_asm+0x34/0x70
[  242.551175]  ? __switch_to_asm+0x40/0x70
[  242.555220]  ? __switch_to_asm+0x34/0x70
[  242.559266]  ? __switch_to_asm+0x40/0x70
[  242.563329]  ? __switch_to_asm+0x34/0x70
[  242.567463]  ? __switch_to_asm+0x40/0x70
[  242.571509]  ? __switch_to_asm+0x34/0x70
[  242.575657]  ? __switch_to_asm+0x34/0x70
[  242.579708]  ? __switch_to_asm+0x40/0x70
[  242.583785]  ? __switch_to_asm+0x34/0x70
[  242.587843]  bpf_clone_redirect+0xb9/0x490
[  242.592074]  ? __schedule+0x8d7/0x21d0
[  242.595957]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  242.600965]  ? __sched_text_start+0x8/0x8
[  242.605106]  ? retint_kernel+0x2d/0x2d
[  242.609069]  ? trace_hardirqs_on_caller+0xc0/0x310
[  242.613989]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.618832]  ? find_held_lock+0x36/0x1c0
[  242.622884]  ? lock_acquire+0x1ed/0x520
[  242.626848]  ? bpf_test_run+0x3cb/0x780
[  242.630814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.636343]  ? check_preemption_disabled+0x48/0x280
[  242.641350]  ? kasan_check_read+0x11/0x20
[  242.645484]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.650749]  ? rcu_softirq_qs+0x20/0x20
[  242.654709]  ? preempt_schedule+0x4d/0x60
[  242.658852]  ? ___preempt_schedule+0x16/0x18
[  242.663261]  ? bpf_test_run+0x25d/0x780
[  242.667238]  ? netlink_diag_dump+0x2a0/0x2a0
[  242.671734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.677258]  ? bpf_test_init.isra.10+0x70/0x100
[  242.681920]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  242.686686]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  242.691522]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.697045]  ? fput+0x130/0x1a0
[  242.700311]  ? __bpf_prog_get+0x9b/0x290
[  242.704361]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  242.709188]  ? bpf_prog_test_run+0x130/0x1a0
[  242.713592]  ? __x64_sys_bpf+0x3d8/0x520
[  242.717653]  ? bpf_prog_get+0x20/0x20
[  242.721509]  ? do_syscall_64+0x1b9/0x820
[  242.725569]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  242.731119]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.736046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.740896]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.745910]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  242.750921]  ? prepare_exit_to_usermode+0x291/0x3b0
[  242.755945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.760787]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  242.766154] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  242.766158] warn_alloc_show_mem: 1 callbacks suppressed
[  242.766163] Mem-Info:
[  242.773076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.778445] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  242.778445]  active_file:12 inactive_file:13 isolated_file:0
[  242.778445]  unevictable:0 dirty:0 writeback:0 unstable:0
[  242.778445]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  242.778445]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  242.778445]  free:13767 free_pcp:247 free_cma:0
[  242.780814] Call Trace:
[  242.790176] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  242.823319]  dump_stack+0x244/0x39d
[  242.825869] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  242.853605]  ? dump_stack_print_info.cold.1+0x20/0x20
[  242.857193] lowmem_reserve[]: 0 2818 6321 6321
[  242.883295]  warn_alloc.cold.116+0xb7/0x1bd
[  242.888442] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  242.893006]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.897286] lowmem_reserve[]: 0 0 3503 3503
[  242.925116]  ? lock_downgrade+0x900/0x900
[  242.929922] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  242.934319]  ? trace_hardirqs_off+0xb8/0x310
[  242.938428] lowmem_reserve[]: 0 0 0 0
[  242.967398]  ? trace_hardirqs_off+0xb8/0x310
[  242.971772] 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
[  242.975558]  __alloc_pages_slowpath+0x26e8/0x2e10
[  242.979926] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  242.993474]  ? warn_alloc+0x120/0x120
[  242.998263] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  243.013425]  ? print_usage_bug+0xc0/0xc0
[  243.017202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  243.032524]  ? warn_alloc+0x120/0x120
[  243.036572] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  243.045385]  ? warn_alloc+0x120/0x120
[  243.049153] 2041 total pagecache pages
[  243.057735]  ? print_usage_bug+0xc0/0xc0
[  243.061506] 0 pages in swap cache
[  243.065375]  ? print_usage_bug+0xc0/0xc0
[  243.069403] Swap cache stats: add 0, delete 0, find 0/0
[  243.069409] Free swap  = 0kB
[  243.072842]  ? __lock_acquire+0x62f/0x4c20
[  243.076867] Total swap = 0kB
[  243.082212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.085206] 1965979 pages RAM
[  243.089531]  ? should_fail+0x22d/0xd01
[  243.092510] 0 pages HighMem/MovableOnly
[  243.092516] 342854 pages reserved
[  243.098044]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.101123] 0 pages cma reserved
[  243.105002]  ? __lock_acquire+0x62f/0x4c20
[  243.109044] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.112401]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.117517] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.120809]  ? __lock_acquire+0x62f/0x4c20
[  243.120821]  ? should_fail+0x22d/0xd01
[  243.125108] syz-executor3 cpuset=syz3 mems_allowed=0
[  243.132075]  ? find_held_lock+0x36/0x1c0
[  243.164808]  ? mark_held_locks+0x130/0x130
[  243.169031]  ? mark_held_locks+0x130/0x130
[  243.173358]  ? zap_class+0x640/0x640
[  243.177065]  ? mark_held_locks+0xc7/0x130
[  243.181199]  ? do_raw_spin_unlock+0xa7/0x330
[  243.185592]  ? zap_class+0x640/0x640
[  243.189291]  ? print_usage_bug+0xc0/0xc0
[  243.193341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.198873]  ? check_preemption_disabled+0x48/0x280
[  243.203889]  ? __lock_is_held+0xb5/0x140
[  243.208040]  __alloc_pages_nodemask+0xa80/0xde0
[  243.212697]  ? zap_class+0x640/0x640
[  243.216400]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  243.221410]  ? find_held_lock+0x36/0x1c0
[  243.225472]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.230141]  ? lock_downgrade+0x900/0x900
[  243.234279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.239805]  cache_grow_begin+0xa5/0x8c0
[  243.243854]  ? do_raw_spin_unlock+0xa7/0x330
[  243.248254]  fallback_alloc+0x204/0x2e0
[  243.252221]  ____cache_alloc_node+0x1c7/0x1e0
[  243.256715]  kmem_cache_alloc_node+0xe3/0x730
[  243.261203]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.265432]  __alloc_skb+0x119/0x770
[  243.269130]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.274401]  ? netdev_alloc_frag+0x1f0/0x1f0
[  243.278796]  ? lock_downgrade+0x900/0x900
[  243.282936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.288462]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.293900]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.299423]  ? addrconf_rs_timer+0x690/0x690
[  243.303827]  ndisc_alloc_skb+0x144/0x340
[  243.307883]  ndisc_send_rs+0x331/0x6e0
[  243.311761]  addrconf_rs_timer+0x314/0x690
[  243.315985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.320216]  call_timer_fn+0x272/0x920
[  243.324091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.328311]  ? process_timeout+0x40/0x40
[  243.332366]  ? __run_timers+0x7da/0xc70
[  243.336334]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.340817]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.345298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.349518]  ? lockdep_hardirqs_on+0x296/0x5b0
[  243.354087]  ? trace_hardirqs_on+0xbd/0x310
[  243.358480]  ? kasan_check_read+0x11/0x20
[  243.362615]  ? __run_timers+0x7da/0xc70
[  243.366576]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.371671]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.375906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.380132]  __run_timers+0x7e5/0xc70
[  243.384015]  ? timer_fixup_init+0x70/0x70
[  243.388261]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.392742]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.397222]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  243.401790]  ? trace_hardirqs_on+0xbd/0x310
[  243.406096]  ? kasan_check_read+0x11/0x20
[  243.410235]  ? finish_task_switch+0x1f4/0x910
[  243.414742]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.419880]  ? compat_start_thread+0x80/0x80
[  243.424293]  ? pvclock_read_flags+0x160/0x160
[  243.428773]  ? __switch_to_asm+0x34/0x70
[  243.432819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.438346]  ? check_preemption_disabled+0x48/0x280
[  243.443355]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  243.448879]  ? rcu_pm_notify+0xc0/0xc0
[  243.452755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.458279]  ? check_preemption_disabled+0x48/0x280
[  243.463289]  run_timer_softirq+0x52/0xb0
[  243.467339]  ? rcu_read_lock_sched_held+0x14f/0x180
[  243.472345]  __do_softirq+0x308/0xb7e
[  243.476143]  ? trace_hardirqs_on_caller+0xc0/0x310
[  243.481065]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  243.486155]  ? trace_hardirqs_on+0x310/0x310
[  243.490559]  ? schedule+0x108/0x460
[  243.494190]  ? trace_hardirqs_off+0xb8/0x310
[  243.498584]  ? smpboot_thread_fn+0x68b/0xa00
[  243.502978]  ? trace_hardirqs_on+0x310/0x310
[  243.507372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.512894]  ? check_preemption_disabled+0x48/0x280
[  243.517897]  ? takeover_tasklets+0xa90/0xa90
[  243.522293]  run_ksoftirqd+0x5e/0x100
[  243.526079]  smpboot_thread_fn+0x68b/0xa00
[  243.530305]  ? sort_range+0x30/0x30
[  243.533922]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.539036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.544559]  ? __kthread_parkme+0xfb/0x1a0
[  243.548784]  ? sort_range+0x30/0x30
[  243.552486]  kthread+0x35a/0x440
[  243.555843]  ? kthread_stop+0x900/0x900
[  243.559804]  ret_from_fork+0x3a/0x50
[  243.563517] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  243.563585] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.570777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  243.570782] Call Trace:
[  243.570787]  <IRQ>
[  243.570799]  dump_stack+0x244/0x39d
[  243.570815]  ? dump_stack_print_info.cold.1+0x20/0x20
[  243.577314] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.586717]  warn_alloc.cold.116+0xb7/0x1bd
[  243.589265] ksoftirqd/1 cpuset=/ mems_allowed=0
[  243.591396]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.624294]  ? lock_downgrade+0x900/0x900
[  243.628444]  ? trace_hardirqs_off+0xb8/0x310
[  243.632851]  ? trace_hardirqs_off+0xb8/0x310
[  243.637255]  __alloc_pages_slowpath+0x26e8/0x2e10
[  243.642108]  ? warn_alloc+0x120/0x120
[  243.645897]  ? print_usage_bug+0xc0/0xc0
[  243.649946]  ? warn_alloc+0x120/0x120
[  243.653740]  ? warn_alloc+0x120/0x120
[  243.657527]  ? print_usage_bug+0xc0/0xc0
[  243.661577]  ? print_usage_bug+0xc0/0xc0
[  243.665722]  ? __lock_acquire+0x62f/0x4c20
[  243.669946]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.675468]  ? should_fail+0x22d/0xd01
[  243.679344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.684432]  ? __lock_acquire+0x62f/0x4c20
[  243.688663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.693753]  ? __lock_acquire+0x62f/0x4c20
[  243.697970]  ? should_fail+0x22d/0xd01
[  243.701847]  ? find_held_lock+0x36/0x1c0
[  243.705902]  ? mark_held_locks+0x130/0x130
[  243.710131]  ? mark_held_locks+0x130/0x130
[  243.714350]  ? zap_class+0x640/0x640
[  243.718053]  ? zap_class+0x640/0x640
[  243.721758]  ? print_usage_bug+0xc0/0xc0
[  243.725803]  ? do_raw_spin_unlock+0xa7/0x330
[  243.730201]  ? zap_class+0x640/0x640
[  243.733900]  ? print_usage_bug+0xc0/0xc0
[  243.737958]  ? wq_watchdog_touch+0x9c/0xfe
[  243.742179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.747704]  ? check_preemption_disabled+0x48/0x280
[  243.752722]  ? __lock_is_held+0xb5/0x140
[  243.756773]  __alloc_pages_nodemask+0xa80/0xde0
[  243.761432]  ? zap_class+0x640/0x640
[  243.765136]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  243.770145]  ? find_held_lock+0x36/0x1c0
[  243.774200]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.778943]  ? lock_downgrade+0x900/0x900
[  243.783238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.788767]  cache_grow_begin+0xa5/0x8c0
[  243.792821]  ? do_raw_spin_unlock+0xa7/0x330
[  243.797221]  fallback_alloc+0x204/0x2e0
[  243.801191]  ____cache_alloc_node+0x1c7/0x1e0
[  243.805677]  kmem_cache_alloc_node+0xe3/0x730
[  243.810159]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.814391]  __alloc_skb+0x119/0x770
[  243.818090]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.823442]  ? netdev_alloc_frag+0x1f0/0x1f0
[  243.827854]  ? lock_downgrade+0x900/0x900
[  243.831992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.837641]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.843086]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.848521]  ? addrconf_rs_timer+0x690/0x690
[  243.852923]  ndisc_alloc_skb+0x144/0x340
[  243.856976]  ndisc_send_rs+0x331/0x6e0
[  243.860856]  addrconf_rs_timer+0x314/0x690
[  243.865084]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.869311]  call_timer_fn+0x272/0x920
[  243.873186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.877408]  ? process_timeout+0x40/0x40
[  243.881461]  ? __run_timers+0x7da/0xc70
[  243.885429]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.889909]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.894395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.898624]  ? lockdep_hardirqs_on+0x296/0x5b0
[  243.903199]  ? trace_hardirqs_on+0xbd/0x310
[  243.907505]  ? kasan_check_read+0x11/0x20
[  243.911639]  ? __run_timers+0x7da/0xc70
[  243.915600]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.920703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.924938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.929160]  __run_timers+0x7e5/0xc70
[  243.932956]  ? timer_fixup_init+0x70/0x70
[  243.937092]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  243.942093]  ? zap_class+0x640/0x640
[  243.945823]  ? enqueue_hrtimer+0x1a5/0x560
[  243.950049]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  243.955229]  ? find_held_lock+0x36/0x1c0
[  243.959282]  ? zap_class+0x640/0x640
[  243.963505]  ? pvclock_read_flags+0x160/0x160
[  243.968095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.973634]  ? check_preemption_disabled+0x48/0x280
[  243.978653]  ? __lock_is_held+0xb5/0x140
[  243.982713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.988240]  ? check_preemption_disabled+0x48/0x280
[  243.993246]  run_timer_softirq+0x52/0xb0
[  243.997296]  ? rcu_read_lock_sched_held+0x14f/0x180
[  244.002299]  __do_softirq+0x308/0xb7e
[  244.006091]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  244.010574]  ? lock_downgrade+0x900/0x900
[  244.014719]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  244.019813]  ? pvclock_read_flags+0x160/0x160
[  244.024299]  ? lapic_next_event+0x5a/0x90
[  244.028435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.033973]  ? kvm_clock_read+0x18/0x30
[  244.037933]  ? kvm_sched_clock_read+0x9/0x20
[  244.042334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.047857]  ? check_preemption_disabled+0x48/0x280
[  244.052953]  irq_exit+0x17f/0x1c0
[  244.056429]  smp_apic_timer_interrupt+0x1cb/0x760
[  244.061258]  ? smp_reschedule_interrupt+0x109/0x650
[  244.066269]  ? smp_call_function_single_interrupt+0x650/0x650
[  244.072137]  ? interrupt_entry+0xb5/0xc0
[  244.076184]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.081274]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.086277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.091113]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.096114]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.101120]  ? task_prio+0x50/0x50
[  244.104652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.110177]  ? check_preemption_disabled+0x48/0x280
[  244.115271]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.120107]  apic_timer_interrupt+0xf/0x20
[  244.124320]  </IRQ>
[  244.126547] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  244.131464] 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
[  244.150354] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  244.158064] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  244.165327] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  244.172598] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  244.179860] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  244.187116] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  244.194397]  skb_clone+0x1bb/0x500
[  244.197940]  ? finish_task_switch+0x2f4/0x910
[  244.202423]  ? skb_split+0x11e0/0x11e0
[  244.206297]  ? preempt_notifier_register+0x200/0x200
[  244.211384]  ? __switch_to_asm+0x34/0x70
[  244.215434]  ? __switch_to_asm+0x34/0x70
[  244.219486]  ? __switch_to_asm+0x40/0x70
[  244.223529]  ? __switch_to_asm+0x34/0x70
[  244.227576]  ? __switch_to_asm+0x40/0x70
[  244.231629]  ? __switch_to_asm+0x34/0x70
[  244.235681]  ? __switch_to_asm+0x40/0x70
[  244.239737]  ? __switch_to_asm+0x34/0x70
[  244.243785]  ? __switch_to_asm+0x34/0x70
[  244.247845]  ? __switch_to_asm+0x40/0x70
[  244.251897]  ? __switch_to_asm+0x34/0x70
[  244.255963]  bpf_clone_redirect+0xb9/0x490
[  244.260186]  ? __schedule+0x8d7/0x21d0
[  244.264067]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  244.269072]  ? __sched_text_start+0x8/0x8
[  244.273206]  ? retint_kernel+0x2d/0x2d
[  244.277175]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.282095]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.286941]  ? find_held_lock+0x36/0x1c0
[  244.290994]  ? lock_acquire+0x1ed/0x520
[  244.294953]  ? bpf_test_run+0x3cb/0x780
[  244.298914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.304438]  ? check_preemption_disabled+0x48/0x280
[  244.309446]  ? kasan_check_read+0x11/0x20
[  244.313593]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.318856]  ? rcu_softirq_qs+0x20/0x20
[  244.322822]  ? preempt_schedule+0x4d/0x60
[  244.326958]  ? ___preempt_schedule+0x16/0x18
[  244.331357]  ? bpf_test_run+0x25d/0x780
[  244.335327]  ? netlink_diag_dump+0x2a0/0x2a0
[  244.339724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.345247]  ? bpf_test_init.isra.10+0x70/0x100
[  244.349909]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  244.354756]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  244.359601]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  244.365134]  ? fput+0x130/0x1a0
[  244.368400]  ? __bpf_prog_get+0x9b/0x290
[  244.372457]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  244.377292]  ? bpf_prog_test_run+0x130/0x1a0
[  244.381703]  ? __x64_sys_bpf+0x3d8/0x520
[  244.385756]  ? bpf_prog_get+0x20/0x20
[  244.389583]  ? do_syscall_64+0x1b9/0x820
[  244.393636]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  244.398987]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.403904]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.408734]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.413741]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  244.418745]  ? prepare_exit_to_usermode+0x291/0x3b0
[  244.423751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.428600]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  244.433961] warn_alloc_show_mem: 1 callbacks suppressed
[  244.433969] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  244.433970] Mem-Info:
[  244.433995] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  244.433995]  active_file:12 inactive_file:13 isolated_file:0
[  244.433995]  unevictable:0 dirty:0 writeback:0 unstable:0
[  244.433995]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  244.433995]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  244.433995]  free:13767 free_pcp:247 free_cma:0
[  244.439320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.439326] Call Trace:
[  244.446243] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  244.448634]  dump_stack+0x244/0x39d
[  244.481670] 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
[  244.491107]  ? dump_stack_print_info.cold.1+0x20/0x20
[  244.493653] lowmem_reserve[]: 0 2818 6321 6321
[  244.521317]  warn_alloc.cold.116+0xb7/0x1bd
[  244.524907] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  244.550997]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.556161] lowmem_reserve[]: 0 0 3503 3503
[  244.560730]  ? lock_downgrade+0x900/0x900
[  244.565033] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  244.592859]  ? trace_hardirqs_off+0xb8/0x310
[  244.597681] lowmem_reserve[]: 0 0 0 0
[  244.601989]  ? trace_hardirqs_off+0xb8/0x310
[  244.606104] 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
[  244.635060]  __alloc_pages_slowpath+0x26e8/0x2e10
[  244.639440] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  244.643248]  ? warn_alloc+0x120/0x120
[  244.647603] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  244.661201]  ? print_usage_bug+0xc0/0xc0
[  244.666016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  244.681160]  ? warn_alloc+0x120/0x120
[  244.684933] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  244.700275]  ? warn_alloc+0x120/0x120
[  244.704301] 2041 total pagecache pages
[  244.713137]  ? print_usage_bug+0xc0/0xc0
[  244.716915] 0 pages in swap cache
[  244.725465]  ? print_usage_bug+0xc0/0xc0
[  244.729228] Swap cache stats: add 0, delete 0, find 0/0
[  244.729234] Free swap  = 0kB
[  244.733100]  ? __lock_acquire+0x62f/0x4c20
[  244.737122] Total swap = 0kB
[  244.737129] 1965979 pages RAM
[  244.740567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.744590] 0 pages HighMem/MovableOnly
[  244.744596] 342854 pages reserved
[  244.749942]  ? should_fail+0x22d/0xd01
[  244.752921] 0 pages cma reserved
[  244.752980] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.757141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.760194] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.763214]  ? __lock_acquire+0x62f/0x4c20
[  244.768718] syz-executor3 cpuset=syz3 mems_allowed=0
[  244.772672]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.819699]  ? __lock_acquire+0x62f/0x4c20
[  244.823920]  ? should_fail+0x22d/0xd01
[  244.827816]  ? find_held_lock+0x36/0x1c0
[  244.831877]  ? mark_held_locks+0x130/0x130
[  244.836104]  ? mark_held_locks+0x130/0x130
[  244.840322]  ? zap_class+0x640/0x640
[  244.844041]  ? zap_class+0x640/0x640
[  244.847765]  ? print_usage_bug+0xc0/0xc0
[  244.851827]  ? do_raw_spin_unlock+0xa7/0x330
[  244.856220]  ? zap_class+0x640/0x640
[  244.859920]  ? print_usage_bug+0xc0/0xc0
[  244.864068]  ? wq_watchdog_touch+0x9c/0xfe
[  244.868292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.873815]  ? check_preemption_disabled+0x48/0x280
[  244.878921]  ? __lock_is_held+0xb5/0x140
[  244.882974]  __alloc_pages_nodemask+0xa80/0xde0
[  244.887628]  ? zap_class+0x640/0x640
[  244.891331]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  244.896342]  ? find_held_lock+0x36/0x1c0
[  244.900399]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.905062]  ? lock_downgrade+0x900/0x900
[  244.909204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.914736]  cache_grow_begin+0xa5/0x8c0
[  244.918790]  ? do_raw_spin_unlock+0xa7/0x330
[  244.923188]  fallback_alloc+0x204/0x2e0
[  244.927156]  ____cache_alloc_node+0x1c7/0x1e0
[  244.931644]  kmem_cache_alloc_node+0xe3/0x730
[  244.936125]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.940352]  __alloc_skb+0x119/0x770
[  244.944060]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.949403]  ? netdev_alloc_frag+0x1f0/0x1f0
[  244.953883]  ? lock_downgrade+0x900/0x900
[  244.958026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.963691]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.969134]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.974580]  ? addrconf_rs_timer+0x690/0x690
[  244.979101]  ndisc_alloc_skb+0x144/0x340
[  244.983152]  ndisc_send_rs+0x331/0x6e0
[  244.987028]  addrconf_rs_timer+0x314/0x690
[  244.991258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.995495]  call_timer_fn+0x272/0x920
[  244.999374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.003593]  ? process_timeout+0x40/0x40
[  245.007755]  ? __run_timers+0x7da/0xc70
[  245.011729]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.016216]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.020696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.024923]  ? lockdep_hardirqs_on+0x296/0x5b0
[  245.029492]  ? trace_hardirqs_on+0xbd/0x310
[  245.033805]  ? kasan_check_read+0x11/0x20
[  245.037938]  ? __run_timers+0x7da/0xc70
[  245.041901]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.046991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.051218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.055435]  __run_timers+0x7e5/0xc70
[  245.059228]  ? timer_fixup_init+0x70/0x70
[  245.063372]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.067854]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.072334]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  245.076903]  ? trace_hardirqs_on+0xbd/0x310
[  245.081227]  ? kasan_check_read+0x11/0x20
[  245.085363]  ? finish_task_switch+0x1f4/0x910
[  245.089849]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.094945]  ? compat_start_thread+0x80/0x80
[  245.099356]  ? pvclock_read_flags+0x160/0x160
[  245.103838]  ? __switch_to_asm+0x34/0x70
[  245.107886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.113410]  ? check_preemption_disabled+0x48/0x280
[  245.118431]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  245.123970]  ? rcu_pm_notify+0xc0/0xc0
[  245.127852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.134036]  ? check_preemption_disabled+0x48/0x280
[  245.139047]  run_timer_softirq+0x52/0xb0
[  245.143103]  ? rcu_read_lock_sched_held+0x14f/0x180
[  245.148108]  __do_softirq+0x308/0xb7e
[  245.151898]  ? trace_hardirqs_on_caller+0xc0/0x310
[  245.156817]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  245.161913]  ? trace_hardirqs_on+0x310/0x310
[  245.166319]  ? schedule+0x108/0x460
[  245.169951]  ? trace_hardirqs_off+0xb8/0x310
[  245.174432]  ? smpboot_thread_fn+0x68b/0xa00
[  245.178948]  ? trace_hardirqs_on+0x310/0x310
[  245.183350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.188874]  ? check_preemption_disabled+0x48/0x280
[  245.193879]  ? takeover_tasklets+0xa90/0xa90
[  245.198273]  run_ksoftirqd+0x5e/0x100
[  245.202062]  smpboot_thread_fn+0x68b/0xa00
[  245.206286]  ? sort_range+0x30/0x30
[  245.209900]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.214996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.220527]  ? __kthread_parkme+0xfb/0x1a0
[  245.224753]  ? sort_range+0x30/0x30
[  245.228366]  kthread+0x35a/0x440
[  245.231723]  ? kthread_stop+0x900/0x900
[  245.235688]  ret_from_fork+0x3a/0x50
[  245.239423] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  245.239502] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  245.246679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  245.246685] Call Trace:
[  245.253215] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  245.262483]  <IRQ>
[  245.265052] ksoftirqd/1 cpuset=/ mems_allowed=0
[  245.275342]  dump_stack+0x244/0x39d
[  245.285708]  ? dump_stack_print_info.cold.1+0x20/0x20
[  245.290891]  warn_alloc.cold.116+0xb7/0x1bd
[  245.295199]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.300040]  ? lock_downgrade+0x900/0x900
[  245.304179]  ? trace_hardirqs_off+0xb8/0x310
[  245.308592]  ? trace_hardirqs_off+0xb8/0x310
[  245.312996]  __alloc_pages_slowpath+0x26e8/0x2e10
[  245.317845]  ? warn_alloc+0x120/0x120
[  245.321635]  ? print_usage_bug+0xc0/0xc0
[  245.325686]  ? warn_alloc+0x120/0x120
[  245.329516]  ? warn_alloc+0x120/0x120
[  245.333306]  ? print_usage_bug+0xc0/0xc0
[  245.337358]  ? kvm_clock_read+0x18/0x30
[  245.341317]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  245.346323]  ? print_usage_bug+0xc0/0xc0
[  245.350372]  ? __lock_acquire+0x62f/0x4c20
[  245.354597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.360119]  ? should_fail+0x22d/0xd01
[  245.363994]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.369262]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.374351]  ? __lock_acquire+0x62f/0x4c20
[  245.378576]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.383662]  ? __lock_acquire+0x62f/0x4c20
[  245.387882]  ? should_fail+0x22d/0xd01
[  245.391752]  ? rcu_irq_exit+0x1a2/0x390
[  245.395723]  ? mark_held_locks+0x130/0x130
[  245.399946]  ? mark_held_locks+0x130/0x130
[  245.404171]  ? mark_held_locks+0xc7/0x130
[  245.408308]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  245.413313]  ? zap_class+0x640/0x640
[  245.417012]  ? print_usage_bug+0xc0/0xc0
[  245.421062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.426586]  ? check_preemption_disabled+0x48/0x280
[  245.431596]  ? __lock_is_held+0xb5/0x140
[  245.435656]  __alloc_pages_nodemask+0xa80/0xde0
[  245.440312]  ? zap_class+0x640/0x640
[  245.444015]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  245.449029]  ? find_held_lock+0x36/0x1c0
[  245.453103]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.457764]  ? lock_downgrade+0x900/0x900
[  245.461910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.467436]  cache_grow_begin+0xa5/0x8c0
[  245.471487]  ? do_raw_spin_unlock+0xa7/0x330
[  245.475891]  fallback_alloc+0x204/0x2e0
[  245.479860]  ____cache_alloc_node+0x1c7/0x1e0
[  245.484344]  kmem_cache_alloc_node+0xe3/0x730
[  245.488828]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.493061]  __alloc_skb+0x119/0x770
[  245.496760]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.502026]  ? netdev_alloc_frag+0x1f0/0x1f0
[  245.506420]  ? lock_downgrade+0x900/0x900
[  245.510561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.516084]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.521610]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.527049]  ? addrconf_rs_timer+0x690/0x690
[  245.531465]  ndisc_alloc_skb+0x144/0x340
[  245.535528]  ndisc_send_rs+0x331/0x6e0
[  245.539408]  addrconf_rs_timer+0x314/0x690
[  245.543643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.547873]  call_timer_fn+0x272/0x920
[  245.551748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.555969]  ? process_timeout+0x40/0x40
[  245.560022]  ? __run_timers+0x7da/0xc70
[  245.563984]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.568463]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.572956]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.577179]  ? lockdep_hardirqs_on+0x296/0x5b0
[  245.581751]  ? trace_hardirqs_on+0xbd/0x310
[  245.586062]  ? kasan_check_read+0x11/0x20
[  245.590194]  ? __run_timers+0x7da/0xc70
[  245.594155]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.599250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.603481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.607726]  __run_timers+0x7e5/0xc70
[  245.611522]  ? timer_fixup_init+0x70/0x70
[  245.615669]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.620672]  ? zap_class+0x640/0x640
[  245.624378]  ? enqueue_hrtimer+0x1a5/0x560
[  245.628603]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.633785]  ? find_held_lock+0x36/0x1c0
[  245.637836]  ? zap_class+0x640/0x640
[  245.641552]  ? pvclock_read_flags+0x160/0x160
[  245.646037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.651585]  ? check_preemption_disabled+0x48/0x280
[  245.656597]  ? __lock_is_held+0xb5/0x140
[  245.660655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.666179]  ? check_preemption_disabled+0x48/0x280
[  245.671184]  run_timer_softirq+0x52/0xb0
[  245.675233]  ? rcu_read_lock_sched_held+0x14f/0x180
[  245.680236]  __do_softirq+0x308/0xb7e
[  245.684031]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  245.688513]  ? lock_downgrade+0x900/0x900
[  245.692659]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  245.697759]  ? pvclock_read_flags+0x160/0x160
[  245.702246]  ? lapic_next_event+0x5a/0x90
[  245.706384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.711912]  ? kvm_clock_read+0x18/0x30
[  245.715873]  ? kvm_sched_clock_read+0x9/0x20
[  245.720274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.725816]  ? check_preemption_disabled+0x48/0x280
[  245.730829]  irq_exit+0x17f/0x1c0
[  245.734278]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.739109]  ? smp_reschedule_interrupt+0x109/0x650
[  245.744115]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.749999]  ? interrupt_entry+0xb5/0xc0
[  245.754048]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.759056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.764080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.768918]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.773922]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.779013]  ? task_prio+0x50/0x50
[  245.782545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.788076]  ? check_preemption_disabled+0x48/0x280
[  245.793095]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.797930]  apic_timer_interrupt+0xf/0x20
[  245.802145]  </IRQ>
[  245.804371] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  245.809288] 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
[  245.828190] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  245.835898] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  245.843184] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  245.850442] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  245.857706] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  245.864963] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  245.872253]  skb_clone+0x1bb/0x500
[  245.875785]  ? finish_task_switch+0x2f4/0x910
[  245.880269]  ? skb_split+0x11e0/0x11e0
[  245.884146]  ? preempt_notifier_register+0x200/0x200
[  245.889239]  ? __switch_to_asm+0x34/0x70
[  245.893288]  ? __switch_to_asm+0x34/0x70
[  245.897340]  ? __switch_to_asm+0x40/0x70
[  245.901403]  ? __switch_to_asm+0x34/0x70
[  245.905463]  ? __switch_to_asm+0x40/0x70
[  245.909511]  ? __switch_to_asm+0x34/0x70
[  245.913569]  ? __switch_to_asm+0x40/0x70
[  245.917621]  ? __switch_to_asm+0x34/0x70
[  245.921677]  ? __switch_to_asm+0x34/0x70
[  245.925728]  ? __switch_to_asm+0x40/0x70
[  245.929780]  ? __switch_to_asm+0x34/0x70
[  245.933839]  bpf_clone_redirect+0xb9/0x490
[  245.938064]  ? __schedule+0x8d7/0x21d0
[  245.941954]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  245.946968]  ? __sched_text_start+0x8/0x8
[  245.951107]  ? retint_kernel+0x2d/0x2d
[  245.954985]  ? trace_hardirqs_on_caller+0xc0/0x310
[  245.959901]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.965181]  ? find_held_lock+0x36/0x1c0
[  245.969259]  ? lock_acquire+0x1ed/0x520
[  245.973221]  ? bpf_test_run+0x3cb/0x780
[  245.977182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.982705]  ? check_preemption_disabled+0x48/0x280
[  245.987798]  ? kasan_check_read+0x11/0x20
[  245.991935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.997206]  ? rcu_softirq_qs+0x20/0x20
[  246.001170]  ? preempt_schedule+0x4d/0x60
[  246.005304]  ? ___preempt_schedule+0x16/0x18
[  246.009706]  ? bpf_test_run+0x25d/0x780
[  246.013683]  ? netlink_diag_dump+0x2a0/0x2a0
[  246.018080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.023691]  ? bpf_test_init.isra.10+0x70/0x100
[  246.028352]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  246.033105]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  246.037931]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  246.043572]  ? fput+0x130/0x1a0
[  246.046842]  ? __bpf_prog_get+0x9b/0x290
[  246.050892]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  246.055720]  ? bpf_prog_test_run+0x130/0x1a0
[  246.060121]  ? __x64_sys_bpf+0x3d8/0x520
[  246.064285]  ? bpf_prog_get+0x20/0x20
[  246.068115]  ? do_syscall_64+0x1b9/0x820
[  246.072160]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  246.077511]  ? syscall_return_slowpath+0x5e0/0x5e0
[  246.082433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.087916]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.092929]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  246.097935]  ? prepare_exit_to_usermode+0x291/0x3b0
[  246.102943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.107791]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  246.113158] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  246.113161] warn_alloc_show_mem: 1 callbacks suppressed
[  246.113167] Mem-Info:
[  246.120067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.120073] Call Trace:
[  246.125451] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  246.125451]  active_file:12 inactive_file:13 isolated_file:0
[  246.125451]  unevictable:0 dirty:0 writeback:0 unstable:0
[  246.125451]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  246.125451]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  246.125451]  free:13767 free_pcp:247 free_cma:0
[  246.127823]  dump_stack+0x244/0x39d
[  246.137183] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  246.139751]  ? dump_stack_print_info.cold.1+0x20/0x20
[  246.172965] 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
[  246.176585]  warn_alloc.cold.116+0xb7/0x1bd
[  246.204300] lowmem_reserve[]: 0 2818 6321 6321
[  246.209479]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.235553] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  246.239858]  ? lock_downgrade+0x900/0x900
[  246.244402] lowmem_reserve[]: 0 0 3503 3503
[  246.249242]  ? trace_hardirqs_off+0xb8/0x310
[  246.277050] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  246.281181]  ? trace_hardirqs_off+0xb8/0x310
[  246.285568] lowmem_reserve[]: 0 0 0 0
[  246.289964]  __alloc_pages_slowpath+0x26e8/0x2e10
[  246.318986] 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
[  246.323393]  ? warn_alloc+0x120/0x120
[  246.327137] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  246.331966]  ? print_usage_bug+0xc0/0xc0
[  246.345456] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  246.349240]  ? warn_alloc+0x120/0x120
[  246.364385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  246.368424]  ? warn_alloc+0x120/0x120
[  246.383763] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  246.383770] 2041 total pagecache pages
[  246.387551]  ? print_usage_bug+0xc0/0xc0
[  246.396357] 0 pages in swap cache
[  246.400134]  ? print_usage_bug+0xc0/0xc0
[  246.408680] Swap cache stats: add 0, delete 0, find 0/0
[  246.412578]  ? __lock_acquire+0x62f/0x4c20
[  246.416608] Free swap  = 0kB
[  246.420041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.424062] Total swap = 0kB
[  246.424069] 1965979 pages RAM
[  246.429415]  ? should_fail+0x22d/0xd01
[  246.433616] 0 pages HighMem/MovableOnly
[  246.433623] 342854 pages reserved
[  246.436623]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.442120] 0 pages cma reserved
[  246.442193] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.445123]  ? __lock_acquire+0x62f/0x4c20
[  246.448238] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.452072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.456027] syz-executor3 cpuset=syz3 mems_allowed=0
[  246.459458]  ? __lock_acquire+0x62f/0x4c20
[  246.459470]  ? should_fail+0x22d/0xd01
[  246.507258]  ? find_held_lock+0x36/0x1c0
[  246.511311]  ? mark_held_locks+0x130/0x130
[  246.515537]  ? mark_held_locks+0x130/0x130
[  246.519757]  ? zap_class+0x640/0x640
[  246.523460]  ? mark_held_locks+0xc7/0x130
[  246.527691]  ? do_raw_spin_unlock+0xa7/0x330
[  246.532084]  ? zap_class+0x640/0x640
[  246.535784]  ? print_usage_bug+0xc0/0xc0
[  246.539870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.545401]  ? check_preemption_disabled+0x48/0x280
[  246.550414]  ? __lock_is_held+0xb5/0x140
[  246.554470]  __alloc_pages_nodemask+0xa80/0xde0
[  246.559128]  ? zap_class+0x640/0x640
[  246.562832]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  246.567843]  ? find_held_lock+0x36/0x1c0
[  246.571906]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.576562]  ? lock_downgrade+0x900/0x900
[  246.580706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.586232]  cache_grow_begin+0xa5/0x8c0
[  246.590294]  ? do_raw_spin_unlock+0xa7/0x330
[  246.594693]  fallback_alloc+0x204/0x2e0
[  246.598657]  ____cache_alloc_node+0x1c7/0x1e0
[  246.603140]  kmem_cache_alloc_node+0xe3/0x730
[  246.607623]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.611852]  __alloc_skb+0x119/0x770
[  246.615553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.620842]  ? netdev_alloc_frag+0x1f0/0x1f0
[  246.625237]  ? lock_downgrade+0x900/0x900
[  246.629397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.634927]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.640388]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.645827]  ? addrconf_rs_timer+0x690/0x690
[  246.650231]  ndisc_alloc_skb+0x144/0x340
[  246.654288]  ndisc_send_rs+0x331/0x6e0
[  246.658167]  addrconf_rs_timer+0x314/0x690
[  246.662397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.666628]  call_timer_fn+0x272/0x920
[  246.670503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.674727]  ? process_timeout+0x40/0x40
[  246.678784]  ? __run_timers+0x7da/0xc70
[  246.682744]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.687226]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.691714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.695933]  ? lockdep_hardirqs_on+0x296/0x5b0
[  246.700504]  ? trace_hardirqs_on+0xbd/0x310
[  246.704814]  ? kasan_check_read+0x11/0x20
[  246.708952]  ? __run_timers+0x7da/0xc70
[  246.712914]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.718007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.722233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.726453]  __run_timers+0x7e5/0xc70
[  246.730348]  ? timer_fixup_init+0x70/0x70
[  246.734487]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.738965]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.743448]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  246.748105]  ? trace_hardirqs_on+0xbd/0x310
[  246.752412]  ? kasan_check_read+0x11/0x20
[  246.756551]  ? finish_task_switch+0x1f4/0x910
[  246.761031]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.766119]  ? compat_start_thread+0x80/0x80
[  246.770532]  ? pvclock_read_flags+0x160/0x160
[  246.775010]  ? __switch_to_asm+0x34/0x70
[  246.779056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.784579]  ? check_preemption_disabled+0x48/0x280
[  246.789590]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  246.795113]  ? rcu_pm_notify+0xc0/0xc0
[  246.798995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.804533]  ? check_preemption_disabled+0x48/0x280
[  246.809549]  run_timer_softirq+0x52/0xb0
[  246.813596]  ? rcu_read_lock_sched_held+0x14f/0x180
[  246.818600]  __do_softirq+0x308/0xb7e
[  246.822400]  ? trace_hardirqs_on_caller+0xc0/0x310
[  246.827317]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  246.832412]  ? trace_hardirqs_on+0x310/0x310
[  246.836808]  ? schedule+0x108/0x460
[  246.840429]  ? trace_hardirqs_off+0xb8/0x310
[  246.844824]  ? smpboot_thread_fn+0x68b/0xa00
[  246.849219]  ? trace_hardirqs_on+0x310/0x310
[  246.853612]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.859134]  ? check_preemption_disabled+0x48/0x280
[  246.864137]  ? takeover_tasklets+0xa90/0xa90
[  246.868532]  run_ksoftirqd+0x5e/0x100
[  246.872321]  smpboot_thread_fn+0x68b/0xa00
[  246.876544]  ? sort_range+0x30/0x30
[  246.880158]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.885249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.890774]  ? __kthread_parkme+0xfb/0x1a0
[  246.894997]  ? sort_range+0x30/0x30
[  246.898612]  kthread+0x35a/0x440
[  246.901966]  ? kthread_stop+0x900/0x900
[  246.905928]  ret_from_fork+0x3a/0x50
[  246.909645] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  246.909704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.916905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.916911] Call Trace:
[  246.923446] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.932711]  <IRQ>
[  246.935275] ksoftirqd/1 cpuset=/ mems_allowed=0
[  246.945565]  dump_stack+0x244/0x39d
[  246.955932]  ? dump_stack_print_info.cold.1+0x20/0x20
[  246.961584]  warn_alloc.cold.116+0xb7/0x1bd
[  246.965893]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.970812]  ? lock_downgrade+0x900/0x900
[  246.974952]  ? trace_hardirqs_off+0xb8/0x310
[  246.979357]  ? trace_hardirqs_off+0xb8/0x310
[  246.983760]  __alloc_pages_slowpath+0x26e8/0x2e10
[  246.988608]  ? warn_alloc+0x120/0x120
[  246.992402]  ? print_usage_bug+0xc0/0xc0
[  246.996452]  ? warn_alloc+0x120/0x120
[  247.000241]  ? zap_class+0x640/0x640
[  247.003949]  ? warn_alloc+0x120/0x120
[  247.007739]  ? print_usage_bug+0xc0/0xc0
[  247.011788]  ? print_usage_bug+0xc0/0xc0
[  247.015838]  ? __lock_acquire+0x62f/0x4c20
[  247.020063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.025588]  ? should_fail+0x22d/0xd01
[  247.029480]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.034569]  ? __lock_acquire+0x62f/0x4c20
[  247.038805]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.043893]  ? __lock_acquire+0x62f/0x4c20
[  247.048111]  ? should_fail+0x22d/0xd01
[  247.051986]  ? find_held_lock+0x36/0x1c0
[  247.056059]  ? mark_held_locks+0x130/0x130
[  247.060286]  ? mark_held_locks+0x130/0x130
[  247.064508]  ? zap_class+0x640/0x640
[  247.068209]  ? zap_class+0x640/0x640
[  247.071913]  ? print_usage_bug+0xc0/0xc0
[  247.075992]  ? do_raw_spin_unlock+0xa7/0x330
[  247.080400]  ? zap_class+0x640/0x640
[  247.084099]  ? print_usage_bug+0xc0/0xc0
[  247.088146]  ? wq_watchdog_touch+0x9c/0xfe
[  247.092385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.097935]  ? check_preemption_disabled+0x48/0x280
[  247.102945]  ? __lock_is_held+0xb5/0x140
[  247.106998]  __alloc_pages_nodemask+0xa80/0xde0
[  247.111649]  ? zap_class+0x640/0x640
[  247.115366]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  247.120390]  ? find_held_lock+0x36/0x1c0
[  247.124466]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.129121]  ? lock_downgrade+0x900/0x900
[  247.133399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.138933]  cache_grow_begin+0xa5/0x8c0
[  247.142979]  ? do_raw_spin_unlock+0xa7/0x330
[  247.147397]  fallback_alloc+0x204/0x2e0
[  247.151369]  ____cache_alloc_node+0x1c7/0x1e0
[  247.155863]  kmem_cache_alloc_node+0xe3/0x730
[  247.160350]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.164592]  __alloc_skb+0x119/0x770
[  247.168295]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.173565]  ? netdev_alloc_frag+0x1f0/0x1f0
[  247.177959]  ? lock_downgrade+0x900/0x900
[  247.182100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.187623]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.193076]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.198515]  ? addrconf_rs_timer+0x690/0x690
[  247.202918]  ndisc_alloc_skb+0x144/0x340
[  247.206967]  ndisc_send_rs+0x331/0x6e0
[  247.210860]  addrconf_rs_timer+0x314/0x690
[  247.215093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.219320]  call_timer_fn+0x272/0x920
[  247.223207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.227428]  ? process_timeout+0x40/0x40
[  247.231480]  ? __run_timers+0x7da/0xc70
[  247.235442]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.239924]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.244404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.248625]  ? lockdep_hardirqs_on+0x296/0x5b0
[  247.253198]  ? trace_hardirqs_on+0xbd/0x310
[  247.257514]  ? kasan_check_read+0x11/0x20
[  247.261653]  ? __run_timers+0x7da/0xc70
[  247.265626]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.270727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.274962]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.279190]  __run_timers+0x7e5/0xc70
[  247.282997]  ? timer_fixup_init+0x70/0x70
[  247.287139]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  247.292154]  ? zap_class+0x640/0x640
[  247.295866]  ? enqueue_hrtimer+0x1a5/0x560
[  247.300109]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.305303]  ? find_held_lock+0x36/0x1c0
[  247.309377]  ? zap_class+0x640/0x640
[  247.313090]  ? pvclock_read_flags+0x160/0x160
[  247.317578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.323112]  ? check_preemption_disabled+0x48/0x280
[  247.328130]  ? __lock_is_held+0xb5/0x140
[  247.332185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.337714]  ? check_preemption_disabled+0x48/0x280
[  247.342734]  run_timer_softirq+0x52/0xb0
[  247.346789]  ? rcu_read_lock_sched_held+0x14f/0x180
[  247.351811]  __do_softirq+0x308/0xb7e
[  247.355612]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  247.360097]  ? lock_downgrade+0x900/0x900
[  247.364234]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  247.369344]  ? pvclock_read_flags+0x160/0x160
[  247.373828]  ? lapic_next_event+0x5a/0x90
[  247.377965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.383491]  ? kvm_clock_read+0x18/0x30
[  247.387453]  ? kvm_sched_clock_read+0x9/0x20
[  247.391853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.397385]  ? check_preemption_disabled+0x48/0x280
[  247.402394]  irq_exit+0x17f/0x1c0
[  247.405843]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.410760]  ? smp_reschedule_interrupt+0x109/0x650
[  247.415925]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.421793]  ? interrupt_entry+0xb5/0xc0
[  247.425840]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.430842]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.435844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.440676]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.445678]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.450682]  ? task_prio+0x50/0x50
[  247.454211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.459753]  ? check_preemption_disabled+0x48/0x280
[  247.464762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.469596]  apic_timer_interrupt+0xf/0x20
[  247.473812]  </IRQ>
[  247.476039] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  247.480959] 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
[  247.499842] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  247.507535] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  247.514787] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  247.522045] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  247.529298] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  247.536566] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  247.543848]  skb_clone+0x1bb/0x500
[  247.547376]  ? finish_task_switch+0x2f4/0x910
[  247.551856]  ? skb_split+0x11e0/0x11e0
[  247.555732]  ? preempt_notifier_register+0x200/0x200
[  247.560817]  ? __switch_to_asm+0x34/0x70
[  247.564865]  ? __switch_to_asm+0x34/0x70
[  247.568910]  ? __switch_to_asm+0x40/0x70
[  247.572957]  ? __switch_to_asm+0x34/0x70
[  247.577010]  ? __switch_to_asm+0x40/0x70
[  247.581057]  ? __switch_to_asm+0x34/0x70
[  247.585100]  ? __switch_to_asm+0x40/0x70
[  247.589144]  ? __switch_to_asm+0x34/0x70
[  247.593194]  ? __switch_to_asm+0x34/0x70
[  247.597241]  ? __switch_to_asm+0x40/0x70
[  247.601309]  ? __switch_to_asm+0x34/0x70
[  247.605363]  bpf_clone_redirect+0xb9/0x490
[  247.609593]  ? __schedule+0x8d7/0x21d0
[  247.613472]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  247.618476]  ? __sched_text_start+0x8/0x8
[  247.622629]  ? retint_kernel+0x2d/0x2d
[  247.626507]  ? trace_hardirqs_on_caller+0xc0/0x310
[  247.631430]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.636177]  ? find_held_lock+0x36/0x1c0
[  247.640230]  ? lock_acquire+0x1ed/0x520
[  247.644199]  ? bpf_test_run+0x3cb/0x780
[  247.648163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.653685]  ? check_preemption_disabled+0x48/0x280
[  247.658690]  ? kasan_check_read+0x11/0x20
[  247.662830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.668109]  ? rcu_softirq_qs+0x20/0x20
[  247.672071]  ? preempt_schedule+0x4d/0x60
[  247.676207]  ? ___preempt_schedule+0x16/0x18
[  247.680608]  ? bpf_test_run+0x25d/0x780
[  247.684578]  ? netlink_diag_dump+0x2a0/0x2a0
[  247.688978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.694499]  ? bpf_test_init.isra.10+0x70/0x100
[  247.699165]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  247.703923]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  247.708752]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.714274]  ? fput+0x130/0x1a0
[  247.717551]  ? __bpf_prog_get+0x9b/0x290
[  247.721602]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  247.726448]  ? bpf_prog_test_run+0x130/0x1a0
[  247.730846]  ? __x64_sys_bpf+0x3d8/0x520
[  247.734892]  ? bpf_prog_get+0x20/0x20
[  247.738696]  ? do_syscall_64+0x1b9/0x820
[  247.742759]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.748114]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.753042]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.757871]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.762875]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  247.767879]  ? prepare_exit_to_usermode+0x291/0x3b0
[  247.772894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.777731]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  247.783097] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  247.783101] warn_alloc_show_mem: 1 callbacks suppressed
[  247.783106] Mem-Info:
[  247.790017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.795384] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  247.795384]  active_file:12 inactive_file:13 isolated_file:0
[  247.795384]  unevictable:0 dirty:0 writeback:0 unstable:0
[  247.795384]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  247.795384]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  247.795384]  free:13767 free_pcp:247 free_cma:0
[  247.797750] Call Trace:
[  247.807109] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  247.840212]  dump_stack+0x244/0x39d
[  247.842763] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  247.870416]  ? dump_stack_print_info.cold.1+0x20/0x20
[  247.874010] lowmem_reserve[]: 0 2818 6321 6321
[  247.900111]  warn_alloc.cold.116+0xb7/0x1bd
[  247.905263] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  247.909835]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.914116] lowmem_reserve[]: 0 0 3503 3503
[  247.941944]  ? lock_downgrade+0x900/0x900
[  247.946758] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  247.951067]  ? trace_hardirqs_off+0xb8/0x310
[  247.955188] lowmem_reserve[]: 0 0 0 0
[  247.984335]  ? trace_hardirqs_off+0xb8/0x310
[  247.988708] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  247.992499]  __alloc_pages_slowpath+0x26e8/0x2e10
[  247.996863] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  248.010392]  ? warn_alloc+0x120/0x120
[  248.015182] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  248.030339]  ? print_usage_bug+0xc0/0xc0
[  248.034135] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  248.049368]  ? warn_alloc+0x120/0x120
[  248.053419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  248.062241]  ? warn_alloc+0x120/0x120
[  248.066011] 2041 total pagecache pages
[  248.074562]  ? print_usage_bug+0xc0/0xc0
[  248.078343] 0 pages in swap cache
[  248.082210]  ? print_usage_bug+0xc0/0xc0
[  248.086234] Swap cache stats: add 0, delete 0, find 0/0
[  248.086240] Free swap  = 0kB
[  248.089756]  ? __lock_acquire+0x62f/0x4c20
[  248.093779] Total swap = 0kB
[  248.093786] 1965979 pages RAM
[  248.099137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.102123] 0 pages HighMem/MovableOnly
[  248.102130] 342854 pages reserved
[  248.106345]  ? should_fail+0x22d/0xd01
[  248.109328] 0 pages cma reserved
[  248.109386] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.112424]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.117973] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.121880]  ? __lock_acquire+0x62f/0x4c20
[  248.125299] syz-executor3 cpuset=syz3 mems_allowed=0
[  248.129170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.168880]  ? __lock_acquire+0x62f/0x4c20
[  248.173099]  ? should_fail+0x22d/0xd01
[  248.176973]  ? find_held_lock+0x36/0x1c0
[  248.181027]  ? mark_held_locks+0x130/0x130
[  248.185250]  ? mark_held_locks+0x130/0x130
[  248.189479]  ? zap_class+0x640/0x640
[  248.193188]  ? mark_held_locks+0xc7/0x130
[  248.197327]  ? do_raw_spin_unlock+0xa7/0x330
[  248.201725]  ? zap_class+0x640/0x640
[  248.205439]  ? print_usage_bug+0xc0/0xc0
[  248.209498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.215028]  ? check_preemption_disabled+0x48/0x280
[  248.220039]  ? __lock_is_held+0xb5/0x140
[  248.224094]  __alloc_pages_nodemask+0xa80/0xde0
[  248.228799]  ? zap_class+0x640/0x640
[  248.232511]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  248.237529]  ? find_held_lock+0x36/0x1c0
[  248.241589]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.246254]  ? lock_downgrade+0x900/0x900
[  248.250407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.255936]  cache_grow_begin+0xa5/0x8c0
[  248.259985]  ? do_raw_spin_unlock+0xa7/0x330
[  248.264386]  fallback_alloc+0x204/0x2e0
[  248.268385]  ____cache_alloc_node+0x1c7/0x1e0
[  248.272874]  kmem_cache_alloc_node+0xe3/0x730
[  248.277367]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.281598]  __alloc_skb+0x119/0x770
[  248.285313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.290605]  ? netdev_alloc_frag+0x1f0/0x1f0
[  248.295016]  ? lock_downgrade+0x900/0x900
[  248.299159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.304777]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.310218]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.315660]  ? addrconf_rs_timer+0x690/0x690
[  248.320066]  ndisc_alloc_skb+0x144/0x340
[  248.324119]  ndisc_send_rs+0x331/0x6e0
[  248.327995]  addrconf_rs_timer+0x314/0x690
[  248.332222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.336459]  call_timer_fn+0x272/0x920
[  248.340335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.344555]  ? process_timeout+0x40/0x40
[  248.348621]  ? __run_timers+0x7da/0xc70
[  248.352586]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.357081]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.361567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.365791]  ? lockdep_hardirqs_on+0x296/0x5b0
[  248.370364]  ? trace_hardirqs_on+0xbd/0x310
[  248.374687]  ? kasan_check_read+0x11/0x20
[  248.378818]  ? __run_timers+0x7da/0xc70
[  248.382786]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.387882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.392112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.396330]  __run_timers+0x7e5/0xc70
[  248.400134]  ? timer_fixup_init+0x70/0x70
[  248.404268]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.408748]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.413241]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  248.417813]  ? trace_hardirqs_on+0xbd/0x310
[  248.422207]  ? kasan_check_read+0x11/0x20
[  248.426348]  ? finish_task_switch+0x1f4/0x910
[  248.430834]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.435940]  ? compat_start_thread+0x80/0x80
[  248.441046]  ? pvclock_read_flags+0x160/0x160
[  248.445525]  ? __switch_to_asm+0x34/0x70
[  248.449577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.455102]  ? check_preemption_disabled+0x48/0x280
[  248.460115]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  248.465641]  ? rcu_pm_notify+0xc0/0xc0
[  248.469518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.475043]  ? check_preemption_disabled+0x48/0x280
[  248.480053]  run_timer_softirq+0x52/0xb0
[  248.484100]  ? rcu_read_lock_sched_held+0x14f/0x180
[  248.489136]  __do_softirq+0x308/0xb7e
[  248.492927]  ? trace_hardirqs_on_caller+0xc0/0x310
[  248.497858]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  248.502963]  ? trace_hardirqs_on+0x310/0x310
[  248.507372]  ? schedule+0x108/0x460
[  248.511017]  ? trace_hardirqs_off+0xb8/0x310
[  248.515416]  ? smpboot_thread_fn+0x68b/0xa00
[  248.519814]  ? trace_hardirqs_on+0x310/0x310
[  248.524214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.529763]  ? check_preemption_disabled+0x48/0x280
[  248.534771]  ? takeover_tasklets+0xa90/0xa90
[  248.539173]  run_ksoftirqd+0x5e/0x100
[  248.542961]  smpboot_thread_fn+0x68b/0xa00
[  248.547189]  ? sort_range+0x30/0x30
[  248.550810]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.555904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.561434]  ? __kthread_parkme+0xfb/0x1a0
[  248.565669]  ? sort_range+0x30/0x30
[  248.569284]  kthread+0x35a/0x440
[  248.572747]  ? kthread_stop+0x900/0x900
[  248.576807]  ret_from_fork+0x3a/0x50
[  248.580527] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  248.580587] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.587789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.587796] Call Trace:
[  248.594328] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.603591]  <IRQ>
[  248.606164] ksoftirqd/1 cpuset=/ mems_allowed=0
[  248.616468]  dump_stack+0x244/0x39d
[  248.626867]  ? dump_stack_print_info.cold.1+0x20/0x20
[  248.632057]  warn_alloc.cold.116+0xb7/0x1bd
[  248.636366]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.641314]  ? lock_downgrade+0x900/0x900
[  248.645459]  ? trace_hardirqs_off+0xb8/0x310
[  248.649862]  ? trace_hardirqs_off+0xb8/0x310
[  248.654267]  __alloc_pages_slowpath+0x26e8/0x2e10
[  248.659124]  ? warn_alloc+0x120/0x120
[  248.662917]  ? print_usage_bug+0xc0/0xc0
[  248.667071]  ? warn_alloc+0x120/0x120
[  248.670876]  ? warn_alloc+0x120/0x120
[  248.674702]  ? print_usage_bug+0xc0/0xc0
[  248.678756]  ? print_usage_bug+0xc0/0xc0
[  248.682813]  ? __lock_acquire+0x62f/0x4c20
[  248.687039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.692580]  ? should_fail+0x22d/0xd01
[  248.696585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.701793]  ? __lock_acquire+0x62f/0x4c20
[  248.706021]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.711111]  ? __lock_acquire+0x62f/0x4c20
[  248.715332]  ? should_fail+0x22d/0xd01
[  248.719237]  ? find_held_lock+0x36/0x1c0
[  248.723334]  ? mark_held_locks+0x130/0x130
[  248.727583]  ? mark_held_locks+0x130/0x130
[  248.731806]  ? zap_class+0x640/0x640
[  248.735592]  ? zap_class+0x640/0x640
[  248.739298]  ? print_usage_bug+0xc0/0xc0
[  248.743371]  ? do_raw_spin_unlock+0xa7/0x330
[  248.747769]  ? zap_class+0x640/0x640
[  248.751473]  ? print_usage_bug+0xc0/0xc0
[  248.755523]  ? wq_watchdog_touch+0x9c/0xfe
[  248.759747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.765277]  ? check_preemption_disabled+0x48/0x280
[  248.770312]  ? __lock_is_held+0xb5/0x140
[  248.774452]  __alloc_pages_nodemask+0xa80/0xde0
[  248.779105]  ? zap_class+0x640/0x640
[  248.782807]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  248.787824]  ? find_held_lock+0x36/0x1c0
[  248.791882]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.796543]  ? lock_downgrade+0x900/0x900
[  248.800693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.806314]  cache_grow_begin+0xa5/0x8c0
[  248.810377]  ? do_raw_spin_unlock+0xa7/0x330
[  248.814781]  fallback_alloc+0x204/0x2e0
[  248.818745]  ____cache_alloc_node+0x1c7/0x1e0
[  248.823236]  kmem_cache_alloc_node+0xe3/0x730
[  248.827721]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.831950]  __alloc_skb+0x119/0x770
[  248.835650]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.840918]  ? netdev_alloc_frag+0x1f0/0x1f0
[  248.845319]  ? lock_downgrade+0x900/0x900
[  248.849459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.854980]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.860508]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.865947]  ? addrconf_rs_timer+0x690/0x690
[  248.870353]  ndisc_alloc_skb+0x144/0x340
[  248.874402]  ndisc_send_rs+0x331/0x6e0
[  248.878282]  addrconf_rs_timer+0x314/0x690
[  248.882511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.886741]  call_timer_fn+0x272/0x920
[  248.890616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.894838]  ? process_timeout+0x40/0x40
[  248.898894]  ? __run_timers+0x7da/0xc70
[  248.902860]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.907343]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.911834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.916058]  ? lockdep_hardirqs_on+0x296/0x5b0
[  248.920627]  ? trace_hardirqs_on+0xbd/0x310
[  248.924938]  ? kasan_check_read+0x11/0x20
[  248.929070]  ? __run_timers+0x7da/0xc70
[  248.933033]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.938129]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.942365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.946585]  __run_timers+0x7e5/0xc70
[  248.950381]  ? timer_fixup_init+0x70/0x70
[  248.954521]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.959628]  ? zap_class+0x640/0x640
[  248.963347]  ? enqueue_hrtimer+0x1a5/0x560
[  248.967568]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  248.972837]  ? find_held_lock+0x36/0x1c0
[  248.976890]  ? zap_class+0x640/0x640
[  248.980594]  ? pvclock_read_flags+0x160/0x160
[  248.985089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.990612]  ? check_preemption_disabled+0x48/0x280
[  248.995621]  ? __lock_is_held+0xb5/0x140
[  248.999669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.005198]  ? check_preemption_disabled+0x48/0x280
[  249.010220]  run_timer_softirq+0x52/0xb0
[  249.014266]  ? rcu_read_lock_sched_held+0x14f/0x180
[  249.019270]  __do_softirq+0x308/0xb7e
[  249.023081]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  249.027561]  ? lock_downgrade+0x900/0x900
[  249.031701]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  249.036795]  ? pvclock_read_flags+0x160/0x160
[  249.041279]  ? lapic_next_event+0x5a/0x90
[  249.045417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.051154]  ? kvm_clock_read+0x18/0x30
[  249.055118]  ? kvm_sched_clock_read+0x9/0x20
[  249.059513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.065035]  ? check_preemption_disabled+0x48/0x280
[  249.070160]  irq_exit+0x17f/0x1c0
[  249.073613]  smp_apic_timer_interrupt+0x1cb/0x760
[  249.078442]  ? smp_reschedule_interrupt+0x109/0x650
[  249.083449]  ? smp_call_function_single_interrupt+0x650/0x650
[  249.090197]  ? interrupt_entry+0xb5/0xc0
[  249.094245]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.099249]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.104255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.109088]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.114089]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.119097]  ? task_prio+0x50/0x50
[  249.122625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.128158]  ? check_preemption_disabled+0x48/0x280
[  249.133307]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.138143]  apic_timer_interrupt+0xf/0x20
[  249.142360]  </IRQ>
[  249.144586] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  249.149613] 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
[  249.168501] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  249.176198] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  249.183453] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  249.190796] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  249.198140] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  249.205400] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  249.212681]  skb_clone+0x1bb/0x500
[  249.216209]  ? finish_task_switch+0x2f4/0x910
[  249.220694]  ? skb_split+0x11e0/0x11e0
[  249.224569]  ? preempt_notifier_register+0x200/0x200
[  249.229657]  ? __switch_to_asm+0x34/0x70
[  249.233704]  ? __switch_to_asm+0x34/0x70
[  249.237751]  ? __switch_to_asm+0x40/0x70
[  249.241795]  ? __switch_to_asm+0x34/0x70
[  249.245843]  ? __switch_to_asm+0x40/0x70
[  249.249886]  ? __switch_to_asm+0x34/0x70
[  249.253937]  ? __switch_to_asm+0x40/0x70
[  249.257980]  ? __switch_to_asm+0x34/0x70
[  249.262029]  ? __switch_to_asm+0x34/0x70
[  249.266078]  ? __switch_to_asm+0x40/0x70
[  249.270243]  ? __switch_to_asm+0x34/0x70
[  249.274297]  bpf_clone_redirect+0xb9/0x490
[  249.278529]  ? __schedule+0x8d7/0x21d0
[  249.282421]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  249.287426]  ? __sched_text_start+0x8/0x8
[  249.291561]  ? retint_kernel+0x2d/0x2d
[  249.295435]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.300350]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.305095]  ? find_held_lock+0x36/0x1c0
[  249.309274]  ? lock_acquire+0x1ed/0x520
[  249.313251]  ? bpf_test_run+0x3cb/0x780
[  249.317213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.322741]  ? check_preemption_disabled+0x48/0x280
[  249.327747]  ? kasan_check_read+0x11/0x20
[  249.331881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.337142]  ? rcu_softirq_qs+0x20/0x20
[  249.341207]  ? preempt_schedule+0x4d/0x60
[  249.345342]  ? ___preempt_schedule+0x16/0x18
[  249.349746]  ? bpf_test_run+0x25d/0x780
[  249.353717]  ? netlink_diag_dump+0x2a0/0x2a0
[  249.358114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.363723]  ? bpf_test_init.isra.10+0x70/0x100
[  249.368385]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  249.373133]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  249.378054]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  249.383580]  ? fput+0x130/0x1a0
[  249.386855]  ? __bpf_prog_get+0x9b/0x290
[  249.390907]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  249.395733]  ? bpf_prog_test_run+0x130/0x1a0
[  249.400128]  ? __x64_sys_bpf+0x3d8/0x520
[  249.404186]  ? bpf_prog_get+0x20/0x20
[  249.407990]  ? do_syscall_64+0x1b9/0x820
[  249.412038]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  249.417388]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.422305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.427137]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.432153]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  249.437170]  ? prepare_exit_to_usermode+0x291/0x3b0
[  249.442186]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.447022]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  249.452384] warn_alloc_show_mem: 1 callbacks suppressed
[  249.452392] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  249.452394] Mem-Info:
[  249.452419] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  249.452419]  active_file:12 inactive_file:13 isolated_file:0
[  249.452419]  unevictable:0 dirty:0 writeback:0 unstable:0
[  249.452419]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  249.452419]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  249.452419]  free:13767 free_pcp:247 free_cma:0
[  249.457743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.457749] Call Trace:
[  249.464667] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  249.467057]  dump_stack+0x244/0x39d
[  249.500165] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  249.509504]  ? dump_stack_print_info.cold.1+0x20/0x20
[  249.512048] lowmem_reserve[]: 0 2818 6321 6321
[  249.539728]  warn_alloc.cold.116+0xb7/0x1bd
[  249.543322] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  249.569698]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.574863] lowmem_reserve[]: 0 0 3503 3503
[  249.579430]  ? lock_downgrade+0x900/0x900
[  249.583717] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  249.611544]  ? trace_hardirqs_off+0xb8/0x310
[  249.616344] lowmem_reserve[]: 0 0 0 0
[  249.620660]  ? trace_hardirqs_off+0xb8/0x310
[  249.624783] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  249.653741]  __alloc_pages_slowpath+0x26e8/0x2e10
[  249.658195] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  249.662005]  ? warn_alloc+0x120/0x120
[  249.666359] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  249.679871]  ? print_usage_bug+0xc0/0xc0
[  249.684685] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  249.699846]  ? warn_alloc+0x120/0x120
[  249.703616] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  249.703622] 2041 total pagecache pages
[  249.718859]  ? warn_alloc+0x120/0x120
[  249.722905] 0 pages in swap cache
[  249.731714]  ? print_usage_bug+0xc0/0xc0
[  249.735483] Swap cache stats: add 0, delete 0, find 0/0
[  249.744037]  ? print_usage_bug+0xc0/0xc0
[  249.747889] Free swap  = 0kB
[  249.747895] Total swap = 0kB
[  249.751674]  ? __lock_acquire+0x62f/0x4c20
[  249.755098] 1965979 pages RAM
[  249.759151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.764477] 0 pages HighMem/MovableOnly
[  249.764483] 342854 pages reserved
[  249.768548]  ? should_fail+0x22d/0xd01
[  249.771530] 0 pages cma reserved
[  249.771590] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.774552]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.778820] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.781859]  ? __lock_acquire+0x62f/0x4c20
[  249.787362] syz-executor3 cpuset=syz3 mems_allowed=0
[  249.791320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.838373]  ? __lock_acquire+0x62f/0x4c20
[  249.842592]  ? should_fail+0x22d/0xd01
[  249.846486]  ? find_held_lock+0x36/0x1c0
[  249.850543]  ? mark_held_locks+0x130/0x130
[  249.854767]  ? mark_held_locks+0x130/0x130
[  249.858990]  ? zap_class+0x640/0x640
[  249.862697]  ? mark_held_locks+0xc7/0x130
[  249.866829]  ? do_raw_spin_unlock+0xa7/0x330
[  249.871225]  ? zap_class+0x640/0x640
[  249.874925]  ? print_usage_bug+0xc0/0xc0
[  249.878977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.884501]  ? check_preemption_disabled+0x48/0x280
[  249.889516]  ? __lock_is_held+0xb5/0x140
[  249.893570]  __alloc_pages_nodemask+0xa80/0xde0
[  249.898229]  ? zap_class+0x640/0x640
[  249.901936]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  249.906948]  ? find_held_lock+0x36/0x1c0
[  249.911008]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.915665]  ? lock_downgrade+0x900/0x900
[  249.919808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.925336]  cache_grow_begin+0xa5/0x8c0
[  249.929498]  ? do_raw_spin_unlock+0xa7/0x330
[  249.933899]  fallback_alloc+0x204/0x2e0
[  249.937886]  ____cache_alloc_node+0x1c7/0x1e0
[  249.942380]  kmem_cache_alloc_node+0xe3/0x730
[  249.946950]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.951180]  __alloc_skb+0x119/0x770
[  249.954883]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.960155]  ? netdev_alloc_frag+0x1f0/0x1f0
[  249.964853]  ? lock_downgrade+0x900/0x900
[  249.968996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.974521]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.979960]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.985397]  ? addrconf_rs_timer+0x690/0x690
[  249.989804]  ndisc_alloc_skb+0x144/0x340
[  249.993865]  ndisc_send_rs+0x331/0x6e0
[  249.997745]  addrconf_rs_timer+0x314/0x690
[  250.002057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.006289]  call_timer_fn+0x272/0x920
[  250.010164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.014393]  ? process_timeout+0x40/0x40
[  250.018464]  ? __run_timers+0x7da/0xc70
[  250.022449]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.027035]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.031513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.035738]  ? lockdep_hardirqs_on+0x296/0x5b0
[  250.040306]  ? trace_hardirqs_on+0xbd/0x310
[  250.044636]  ? kasan_check_read+0x11/0x20
[  250.048787]  ? __run_timers+0x7da/0xc70
[  250.052750]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.057846]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.062069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.066295]  __run_timers+0x7e5/0xc70
[  250.070091]  ? timer_fixup_init+0x70/0x70
[  250.074232]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.078712]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.083196]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  250.087879]  ? trace_hardirqs_on+0xbd/0x310
[  250.092191]  ? kasan_check_read+0x11/0x20
[  250.096325]  ? finish_task_switch+0x1f4/0x910
[  250.100808]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.105897]  ? compat_start_thread+0x80/0x80
[  250.110311]  ? pvclock_read_flags+0x160/0x160
[  250.114792]  ? __switch_to_asm+0x34/0x70
[  250.118841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.124368]  ? check_preemption_disabled+0x48/0x280
[  250.129376]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  250.134901]  ? rcu_pm_notify+0xc0/0xc0
[  250.138779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.144305]  ? check_preemption_disabled+0x48/0x280
[  250.149309]  run_timer_softirq+0x52/0xb0
[  250.153355]  ? rcu_read_lock_sched_held+0x14f/0x180
[  250.158364]  __do_softirq+0x308/0xb7e
[  250.162158]  ? trace_hardirqs_on_caller+0xc0/0x310
[  250.167080]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  250.172175]  ? trace_hardirqs_on+0x310/0x310
[  250.176578]  ? schedule+0x108/0x460
[  250.180203]  ? trace_hardirqs_off+0xb8/0x310
[  250.184606]  ? smpboot_thread_fn+0x68b/0xa00
[  250.189005]  ? trace_hardirqs_on+0x310/0x310
[  250.193491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.199014]  ? check_preemption_disabled+0x48/0x280
[  250.204033]  ? takeover_tasklets+0xa90/0xa90
[  250.208440]  run_ksoftirqd+0x5e/0x100
[  250.212229]  smpboot_thread_fn+0x68b/0xa00
[  250.216456]  ? sort_range+0x30/0x30
[  250.220067]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.225162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.230701]  ? __kthread_parkme+0xfb/0x1a0
[  250.234924]  ? sort_range+0x30/0x30
[  250.238538]  kthread+0x35a/0x440
[  250.241894]  ? kthread_stop+0x900/0x900
[  250.245859]  ret_from_fork+0x3a/0x50
[  250.249589] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  250.249654] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.256857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.256863] Call Trace:
[  250.263402] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.272665]  <IRQ>
[  250.275225] ksoftirqd/1 cpuset=/ mems_allowed=0
[  250.285513]  dump_stack+0x244/0x39d
[  250.295881]  ? dump_stack_print_info.cold.1+0x20/0x20
[  250.301069]  warn_alloc.cold.116+0xb7/0x1bd
[  250.305392]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.310224]  ? lock_downgrade+0x900/0x900
[  250.314363]  ? trace_hardirqs_off+0xb8/0x310
[  250.318764]  ? trace_hardirqs_off+0xb8/0x310
[  250.323168]  __alloc_pages_slowpath+0x26e8/0x2e10
[  250.328020]  ? warn_alloc+0x120/0x120
[  250.331808]  ? print_usage_bug+0xc0/0xc0
[  250.335858]  ? warn_alloc+0x120/0x120
[  250.339649]  ? warn_alloc+0x120/0x120
[  250.343459]  ? print_usage_bug+0xc0/0xc0
[  250.347518]  ? print_usage_bug+0xc0/0xc0
[  250.351566]  ? __lock_acquire+0x62f/0x4c20
[  250.355794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.361316]  ? should_fail+0x22d/0xd01
[  250.365200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.370296]  ? __lock_acquire+0x62f/0x4c20
[  250.374522]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.379614]  ? __lock_acquire+0x62f/0x4c20
[  250.383835]  ? should_fail+0x22d/0xd01
[  250.387709]  ? find_held_lock+0x36/0x1c0
[  250.391770]  ? mark_held_locks+0x130/0x130
[  250.395997]  ? mark_held_locks+0x130/0x130
[  250.400219]  ? zap_class+0x640/0x640
[  250.403921]  ? zap_class+0x640/0x640
[  250.407623]  ? print_usage_bug+0xc0/0xc0
[  250.411684]  ? do_raw_spin_unlock+0xa7/0x330
[  250.416094]  ? zap_class+0x640/0x640
[  250.419795]  ? print_usage_bug+0xc0/0xc0
[  250.423844]  ? wq_watchdog_touch+0x9c/0xfe
[  250.428079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.433606]  ? check_preemption_disabled+0x48/0x280
[  250.438624]  ? __lock_is_held+0xb5/0x140
[  250.442676]  __alloc_pages_nodemask+0xa80/0xde0
[  250.447332]  ? zap_class+0x640/0x640
[  250.451039]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  250.456057]  ? find_held_lock+0x36/0x1c0
[  250.460308]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.464966]  ? lock_downgrade+0x900/0x900
[  250.469109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.474638]  cache_grow_begin+0xa5/0x8c0
[  250.478685]  ? do_raw_spin_unlock+0xa7/0x330
[  250.483094]  fallback_alloc+0x204/0x2e0
[  250.487065]  ____cache_alloc_node+0x1c7/0x1e0
[  250.491553]  kmem_cache_alloc_node+0xe3/0x730
[  250.496033]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.500265]  __alloc_skb+0x119/0x770
[  250.503973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.509242]  ? netdev_alloc_frag+0x1f0/0x1f0
[  250.513639]  ? lock_downgrade+0x900/0x900
[  250.517781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.523315]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.528764]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.534202]  ? addrconf_rs_timer+0x690/0x690
[  250.538604]  ndisc_alloc_skb+0x144/0x340
[  250.542757]  ndisc_send_rs+0x331/0x6e0
[  250.546638]  addrconf_rs_timer+0x314/0x690
[  250.550865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.555102]  call_timer_fn+0x272/0x920
[  250.558976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.563195]  ? process_timeout+0x40/0x40
[  250.567250]  ? __run_timers+0x7da/0xc70
[  250.571231]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.575715]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.580203]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.584434]  ? lockdep_hardirqs_on+0x296/0x5b0
[  250.589030]  ? trace_hardirqs_on+0xbd/0x310
[  250.593341]  ? kasan_check_read+0x11/0x20
[  250.597477]  ? __run_timers+0x7da/0xc70
[  250.601460]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.606552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.610776]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.614997]  __run_timers+0x7e5/0xc70
[  250.618791]  ? timer_fixup_init+0x70/0x70
[  250.622925]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.627927]  ? zap_class+0x640/0x640
[  250.631729]  ? enqueue_hrtimer+0x1a5/0x560
[  250.635962]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.641151]  ? find_held_lock+0x36/0x1c0
[  250.645203]  ? zap_class+0x640/0x640
[  250.648907]  ? pvclock_read_flags+0x160/0x160
[  250.653391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.658922]  ? check_preemption_disabled+0x48/0x280
[  250.663931]  ? __lock_is_held+0xb5/0x140
[  250.667982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.673507]  ? check_preemption_disabled+0x48/0x280
[  250.678515]  run_timer_softirq+0x52/0xb0
[  250.682562]  ? rcu_read_lock_sched_held+0x14f/0x180
[  250.687571]  __do_softirq+0x308/0xb7e
[  250.691362]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.695842]  ? lock_downgrade+0x900/0x900
[  250.699980]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  250.705174]  ? pvclock_read_flags+0x160/0x160
[  250.709658]  ? lapic_next_event+0x5a/0x90
[  250.713795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.719320]  ? kvm_clock_read+0x18/0x30
[  250.723282]  ? kvm_sched_clock_read+0x9/0x20
[  250.727688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.733211]  ? check_preemption_disabled+0x48/0x280
[  250.738222]  irq_exit+0x17f/0x1c0
[  250.741665]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.746493]  ? smp_reschedule_interrupt+0x109/0x650
[  250.751497]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.757368]  ? interrupt_entry+0xb5/0xc0
[  250.761415]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.766417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.771438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.776306]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.781309]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.786315]  ? task_prio+0x50/0x50
[  250.789843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.795364]  ? check_preemption_disabled+0x48/0x280
[  250.800372]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.805206]  apic_timer_interrupt+0xf/0x20
[  250.809423]  </IRQ>
[  250.811648] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  250.816568] 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
[  250.835460] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  250.843153] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  250.850410] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  250.857664] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  250.864919] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  250.872177] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  250.879458]  skb_clone+0x1bb/0x500
[  250.882983]  ? finish_task_switch+0x2f4/0x910
[  250.887467]  ? skb_split+0x11e0/0x11e0
[  250.891344]  ? preempt_notifier_register+0x200/0x200
[  250.896438]  ? __switch_to_asm+0x34/0x70
[  250.900486]  ? __switch_to_asm+0x34/0x70
[  250.904530]  ? __switch_to_asm+0x40/0x70
[  250.908576]  ? __switch_to_asm+0x34/0x70
[  250.912620]  ? __switch_to_asm+0x40/0x70
[  250.916665]  ? __switch_to_asm+0x34/0x70
[  250.920713]  ? __switch_to_asm+0x40/0x70
[  250.924758]  ? __switch_to_asm+0x34/0x70
[  250.928811]  ? __switch_to_asm+0x34/0x70
[  250.932873]  ? __switch_to_asm+0x40/0x70
[  250.936920]  ? __switch_to_asm+0x34/0x70
[  250.940970]  bpf_clone_redirect+0xb9/0x490
[  250.945192]  ? __schedule+0x8d7/0x21d0
[  250.949071]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  250.954074]  ? __sched_text_start+0x8/0x8
[  250.958210]  ? retint_kernel+0x2d/0x2d
[  250.962645]  ? trace_hardirqs_on_caller+0xc0/0x310
[  250.967569]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.972320]  ? find_held_lock+0x36/0x1c0
[  250.976383]  ? lock_acquire+0x1ed/0x520
[  250.980345]  ? bpf_test_run+0x3cb/0x780
[  250.984305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.989832]  ? check_preemption_disabled+0x48/0x280
[  250.994846]  ? kasan_check_read+0x11/0x20
[  250.999092]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.004353]  ? rcu_softirq_qs+0x20/0x20
[  251.008317]  ? preempt_schedule+0x4d/0x60
[  251.012452]  ? ___preempt_schedule+0x16/0x18
[  251.016852]  ? bpf_test_run+0x25d/0x780
[  251.020834]  ? netlink_diag_dump+0x2a0/0x2a0
[  251.025232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.030752]  ? bpf_test_init.isra.10+0x70/0x100
[  251.035526]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  251.040277]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  251.045104]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  251.050729]  ? fput+0x130/0x1a0
[  251.053999]  ? __bpf_prog_get+0x9b/0x290
[  251.058061]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  251.062888]  ? bpf_prog_test_run+0x130/0x1a0
[  251.067284]  ? __x64_sys_bpf+0x3d8/0x520
[  251.071335]  ? bpf_prog_get+0x20/0x20
[  251.075137]  ? do_syscall_64+0x1b9/0x820
[  251.079186]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  251.084540]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.089471]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.094308]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.099314]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  251.104316]  ? prepare_exit_to_usermode+0x291/0x3b0
[  251.109323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.114157]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  251.119516] warn_alloc_show_mem: 1 callbacks suppressed
[  251.119528] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  251.119529] Mem-Info:
[  251.119556] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  251.119556]  active_file:12 inactive_file:13 isolated_file:0
[  251.119556]  unevictable:0 dirty:0 writeback:0 unstable:0
[  251.119556]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  251.119556]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  251.119556]  free:13767 free_pcp:247 free_cma:0
[  251.124876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.124882] Call Trace:
[  251.131940] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  251.134425]  dump_stack+0x244/0x39d
[  251.167442] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  251.176779]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.179332] lowmem_reserve[]: 0 2818 6321 6321
[  251.206995]  warn_alloc.cold.116+0xb7/0x1bd
[  251.210593] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  251.236794]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.241946] lowmem_reserve[]: 0 0 3503 3503
[  251.246521]  ? lock_downgrade+0x900/0x900
[  251.250805] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  251.278631]  ? trace_hardirqs_off+0xb8/0x310
[  251.283437] lowmem_reserve[]: 0 0 0 0
[  251.287746]  ? trace_hardirqs_off+0xb8/0x310
[  251.291858] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  251.320817]  __alloc_pages_slowpath+0x26e8/0x2e10
[  251.325184] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  251.329008]  ? warn_alloc+0x120/0x120
[  251.333360] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  251.346972]  ? print_usage_bug+0xc0/0xc0
[  251.351787] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  251.366932]  ? warn_alloc+0x120/0x120
[  251.370719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  251.370726] 2041 total pagecache pages
[  251.385963]  ? warn_alloc+0x120/0x120
[  251.390000] 0 pages in swap cache
[  251.398811]  ? print_usage_bug+0xc0/0xc0
[  251.402576] Swap cache stats: add 0, delete 0, find 0/0
[  251.402583] Free swap  = 0kB
[  251.411137]  ? print_usage_bug+0xc0/0xc0
[  251.414997] Total swap = 0kB
[  251.418778]  ? __lock_acquire+0x62f/0x4c20
[  251.422198] 1965979 pages RAM
[  251.426240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.431576] 0 pages HighMem/MovableOnly
[  251.431582] 342854 pages reserved
[  251.434588]  ? should_fail+0x22d/0xd01
[  251.438621] 0 pages cma reserved
[  251.438680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.441625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.441637]  ? __lock_acquire+0x62f/0x4c20
[  251.441653]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.445897] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.448939]  ? __lock_acquire+0x62f/0x4c20
[  251.454441] syz-executor3 cpuset=syz3 mems_allowed=0
[  251.458392]  ? should_fail+0x22d/0xd01
[  251.458405]  ? find_held_lock+0x36/0x1c0
[  251.517693]  ? mark_held_locks+0x130/0x130
[  251.521918]  ? mark_held_locks+0x130/0x130
[  251.526153]  ? zap_class+0x640/0x640
[  251.529860]  ? mark_held_locks+0xc7/0x130
[  251.533996]  ? do_raw_spin_unlock+0xa7/0x330
[  251.538405]  ? zap_class+0x640/0x640
[  251.542128]  ? print_usage_bug+0xc0/0xc0
[  251.546188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.551721]  ? check_preemption_disabled+0x48/0x280
[  251.556738]  ? __lock_is_held+0xb5/0x140
[  251.560792]  __alloc_pages_nodemask+0xa80/0xde0
[  251.565448]  ? zap_class+0x640/0x640
[  251.569153]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  251.574177]  ? find_held_lock+0x36/0x1c0
[  251.578232]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.582895]  ? lock_downgrade+0x900/0x900
[  251.587228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.592755]  cache_grow_begin+0xa5/0x8c0
[  251.596805]  ? do_raw_spin_unlock+0xa7/0x330
[  251.601208]  fallback_alloc+0x204/0x2e0
[  251.605177]  ____cache_alloc_node+0x1c7/0x1e0
[  251.609665]  kmem_cache_alloc_node+0xe3/0x730
[  251.614148]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.618387]  __alloc_skb+0x119/0x770
[  251.622086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.627353]  ? netdev_alloc_frag+0x1f0/0x1f0
[  251.631745]  ? lock_downgrade+0x900/0x900
[  251.635893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.641443]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.646886]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.652326]  ? addrconf_rs_timer+0x690/0x690
[  251.656730]  ndisc_alloc_skb+0x144/0x340
[  251.660781]  ndisc_send_rs+0x331/0x6e0
[  251.664662]  addrconf_rs_timer+0x314/0x690
[  251.668885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.673124]  call_timer_fn+0x272/0x920
[  251.677024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.681246]  ? process_timeout+0x40/0x40
[  251.685318]  ? __run_timers+0x7da/0xc70
[  251.689290]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.693768]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.698249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.702473]  ? lockdep_hardirqs_on+0x296/0x5b0
[  251.707135]  ? trace_hardirqs_on+0xbd/0x310
[  251.711445]  ? kasan_check_read+0x11/0x20
[  251.715583]  ? __run_timers+0x7da/0xc70
[  251.719632]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.724725]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.728952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.733178]  __run_timers+0x7e5/0xc70
[  251.736979]  ? timer_fixup_init+0x70/0x70
[  251.741126]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.745607]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.750093]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  251.754665]  ? trace_hardirqs_on+0xbd/0x310
[  251.758979]  ? kasan_check_read+0x11/0x20
[  251.763127]  ? finish_task_switch+0x1f4/0x910
[  251.767712]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.772800]  ? compat_start_thread+0x80/0x80
[  251.777212]  ? pvclock_read_flags+0x160/0x160
[  251.781691]  ? __switch_to_asm+0x34/0x70
[  251.785750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.791273]  ? check_preemption_disabled+0x48/0x280
[  251.796286]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  251.801812]  ? rcu_pm_notify+0xc0/0xc0
[  251.805689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.811211]  ? check_preemption_disabled+0x48/0x280
[  251.816216]  run_timer_softirq+0x52/0xb0
[  251.820266]  ? rcu_read_lock_sched_held+0x14f/0x180
[  251.825267]  __do_softirq+0x308/0xb7e
[  251.829059]  ? trace_hardirqs_on_caller+0xc0/0x310
[  251.833981]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  251.839072]  ? trace_hardirqs_on+0x310/0x310
[  251.843473]  ? schedule+0x108/0x460
[  251.847103]  ? trace_hardirqs_off+0xb8/0x310
[  251.851499]  ? smpboot_thread_fn+0x68b/0xa00
[  251.855896]  ? trace_hardirqs_on+0x310/0x310
[  251.860294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.865817]  ? check_preemption_disabled+0x48/0x280
[  251.870823]  ? takeover_tasklets+0xa90/0xa90
[  251.875220]  run_ksoftirqd+0x5e/0x100
[  251.879012]  smpboot_thread_fn+0x68b/0xa00
[  251.883237]  ? sort_range+0x30/0x30
[  251.886849]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.891937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.897474]  ? __kthread_parkme+0xfb/0x1a0
[  251.901712]  ? sort_range+0x30/0x30
[  251.905328]  kthread+0x35a/0x440
[  251.908688]  ? kthread_stop+0x900/0x900
[  251.912650]  ret_from_fork+0x3a/0x50
[  251.916378] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  251.916431] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.923721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.923726] Call Trace:
[  251.923731]  <IRQ>
[  251.923743]  dump_stack+0x244/0x39d
[  251.923759]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.930280] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.939565]  warn_alloc.cold.116+0xb7/0x1bd
[  251.942109] ksoftirqd/1 cpuset=/ mems_allowed=0
[  251.944245]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.977669]  ? lock_downgrade+0x900/0x900
[  251.981810]  ? trace_hardirqs_off+0xb8/0x310
[  251.986208]  ? trace_hardirqs_off+0xb8/0x310
[  251.990612]  __alloc_pages_slowpath+0x26e8/0x2e10
[  251.995462]  ? warn_alloc+0x120/0x120
[  251.999251]  ? print_usage_bug+0xc0/0xc0
[  252.003304]  ? warn_alloc+0x120/0x120
[  252.007095]  ? warn_alloc+0x120/0x120
[  252.010882]  ? print_usage_bug+0xc0/0xc0
[  252.015042]  ? print_usage_bug+0xc0/0xc0
[  252.019092]  ? __lock_acquire+0x62f/0x4c20
[  252.023316]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.028837]  ? should_fail+0x22d/0xd01
[  252.032717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.037805]  ? __lock_acquire+0x62f/0x4c20
[  252.042032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.047123]  ? __lock_acquire+0x62f/0x4c20
[  252.051342]  ? should_fail+0x22d/0xd01
[  252.055218]  ? find_held_lock+0x36/0x1c0
[  252.059279]  ? mark_held_locks+0x130/0x130
[  252.063507]  ? mark_held_locks+0x130/0x130
[  252.067727]  ? zap_class+0x640/0x640
[  252.071428]  ? zap_class+0x640/0x640
[  252.075147]  ? print_usage_bug+0xc0/0xc0
[  252.079210]  ? do_raw_spin_unlock+0xa7/0x330
[  252.083604]  ? zap_class+0x640/0x640
[  252.087304]  ? print_usage_bug+0xc0/0xc0
[  252.091349]  ? wq_watchdog_touch+0x9c/0xfe
[  252.095585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.101116]  ? check_preemption_disabled+0x48/0x280
[  252.106124]  ? __lock_is_held+0xb5/0x140
[  252.110178]  __alloc_pages_nodemask+0xa80/0xde0
[  252.114832]  ? zap_class+0x640/0x640
[  252.118536]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  252.123548]  ? find_held_lock+0x36/0x1c0
[  252.127606]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.132265]  ? lock_downgrade+0x900/0x900
[  252.136404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.141951]  cache_grow_begin+0xa5/0x8c0
[  252.145999]  ? do_raw_spin_unlock+0xa7/0x330
[  252.150398]  fallback_alloc+0x204/0x2e0
[  252.154364]  ____cache_alloc_node+0x1c7/0x1e0
[  252.158851]  kmem_cache_alloc_node+0xe3/0x730
[  252.163333]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.167567]  __alloc_skb+0x119/0x770
[  252.171270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.176536]  ? netdev_alloc_frag+0x1f0/0x1f0
[  252.180949]  ? lock_downgrade+0x900/0x900
[  252.185092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.190615]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.196060]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.201496]  ? addrconf_rs_timer+0x690/0x690
[  252.205902]  ndisc_alloc_skb+0x144/0x340
[  252.210056]  ndisc_send_rs+0x331/0x6e0
[  252.213950]  addrconf_rs_timer+0x314/0x690
[  252.218175]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.222406]  call_timer_fn+0x272/0x920
[  252.226279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.230499]  ? process_timeout+0x40/0x40
[  252.234555]  ? __run_timers+0x7da/0xc70
[  252.238516]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.242999]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.247478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.251698]  ? lockdep_hardirqs_on+0x296/0x5b0
[  252.256268]  ? trace_hardirqs_on+0xbd/0x310
[  252.260595]  ? kasan_check_read+0x11/0x20
[  252.264824]  ? __run_timers+0x7da/0xc70
[  252.268787]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.273890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.278118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.282337]  __run_timers+0x7e5/0xc70
[  252.286131]  ? timer_fixup_init+0x70/0x70
[  252.290266]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  252.295268]  ? zap_class+0x640/0x640
[  252.298974]  ? enqueue_hrtimer+0x1a5/0x560
[  252.303199]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  252.308382]  ? find_held_lock+0x36/0x1c0
[  252.312438]  ? zap_class+0x640/0x640
[  252.316142]  ? pvclock_read_flags+0x160/0x160
[  252.320623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.326149]  ? check_preemption_disabled+0x48/0x280
[  252.331160]  ? __lock_is_held+0xb5/0x140
[  252.335211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.340752]  ? check_preemption_disabled+0x48/0x280
[  252.345758]  run_timer_softirq+0x52/0xb0
[  252.349815]  ? rcu_read_lock_sched_held+0x14f/0x180
[  252.354820]  __do_softirq+0x308/0xb7e
[  252.358612]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  252.363091]  ? lock_downgrade+0x900/0x900
[  252.367230]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  252.372327]  ? pvclock_read_flags+0x160/0x160
[  252.376843]  ? lapic_next_event+0x5a/0x90
[  252.380992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.386520]  ? kvm_clock_read+0x18/0x30
[  252.390481]  ? kvm_sched_clock_read+0x9/0x20
[  252.394875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.400406]  ? check_preemption_disabled+0x48/0x280
[  252.405418]  irq_exit+0x17f/0x1c0
[  252.408875]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.413707]  ? smp_reschedule_interrupt+0x109/0x650
[  252.418709]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.424577]  ? interrupt_entry+0xb5/0xc0
[  252.428641]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.433644]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.438647]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.443475]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.448478]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.453482]  ? task_prio+0x50/0x50
[  252.457012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.462534]  ? check_preemption_disabled+0x48/0x280
[  252.467539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.472375]  apic_timer_interrupt+0xf/0x20
[  252.476592]  </IRQ>
[  252.478817] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  252.483741] 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
[  252.502722] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  252.510504] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  252.517847] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  252.525103] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  252.532358] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  252.539616] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  252.546902]  skb_clone+0x1bb/0x500
[  252.550431]  ? finish_task_switch+0x2f4/0x910
[  252.554922]  ? skb_split+0x11e0/0x11e0
[  252.558799]  ? preempt_notifier_register+0x200/0x200
[  252.563895]  ? __switch_to_asm+0x34/0x70
[  252.567962]  ? __switch_to_asm+0x34/0x70
[  252.572008]  ? __switch_to_asm+0x40/0x70
[  252.576054]  ? __switch_to_asm+0x34/0x70
[  252.580109]  ? __switch_to_asm+0x40/0x70
[  252.584154]  ? __switch_to_asm+0x34/0x70
[  252.588201]  ? __switch_to_asm+0x40/0x70
[  252.592248]  ? __switch_to_asm+0x34/0x70
[  252.596294]  ? __switch_to_asm+0x34/0x70
[  252.600340]  ? __switch_to_asm+0x40/0x70
[  252.604389]  ? __switch_to_asm+0x34/0x70
[  252.608437]  bpf_clone_redirect+0xb9/0x490
[  252.612658]  ? __schedule+0x8d7/0x21d0
[  252.616540]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  252.621547]  ? __sched_text_start+0x8/0x8
[  252.625811]  ? retint_kernel+0x2d/0x2d
[  252.629694]  ? trace_hardirqs_on_caller+0xc0/0x310
[  252.634621]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.639366]  ? find_held_lock+0x36/0x1c0
[  252.643423]  ? lock_acquire+0x1ed/0x520
[  252.647398]  ? bpf_test_run+0x3cb/0x780
[  252.651359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.656892]  ? check_preemption_disabled+0x48/0x280
[  252.661917]  ? kasan_check_read+0x11/0x20
[  252.666050]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.671315]  ? rcu_softirq_qs+0x20/0x20
[  252.675277]  ? preempt_schedule+0x4d/0x60
[  252.679411]  ? ___preempt_schedule+0x16/0x18
[  252.683809]  ? bpf_test_run+0x25d/0x780
[  252.687791]  ? netlink_diag_dump+0x2a0/0x2a0
[  252.692185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.697711]  ? bpf_test_init.isra.10+0x70/0x100
[  252.702368]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  252.707121]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  252.711948]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.717478]  ? fput+0x130/0x1a0
[  252.720744]  ? __bpf_prog_get+0x9b/0x290
[  252.724794]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  252.729627]  ? bpf_prog_test_run+0x130/0x1a0
[  252.734026]  ? __x64_sys_bpf+0x3d8/0x520
[  252.738074]  ? bpf_prog_get+0x20/0x20
[  252.741884]  ? do_syscall_64+0x1b9/0x820
[  252.745947]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  252.751304]  ? syscall_return_slowpath+0x5e0/0x5e0
[  252.756218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.761065]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.766068]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  252.771072]  ? prepare_exit_to_usermode+0x291/0x3b0
[  252.776088]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.780944]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  252.786304] warn_alloc_show_mem: 1 callbacks suppressed
[  252.786312] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  252.786313] Mem-Info:
[  252.786340] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  252.786340]  active_file:12 inactive_file:13 isolated_file:0
[  252.786340]  unevictable:0 dirty:0 writeback:0 unstable:0
[  252.786340]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  252.786340]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  252.786340]  free:13767 free_pcp:247 free_cma:0
[  252.791659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.791665] Call Trace:
[  252.798582] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  252.800974]  dump_stack+0x244/0x39d
[  252.833989] 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
[  252.843330]  ? dump_stack_print_info.cold.1+0x20/0x20
[  252.845878] lowmem_reserve[]: 0 2818 6321 6321
[  252.873558]  warn_alloc.cold.116+0xb7/0x1bd
[  252.877146] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  252.903234]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.908382] lowmem_reserve[]: 0 0 3503 3503
[  252.912952]  ? lock_downgrade+0x900/0x900
[  252.917237] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  252.945064]  ? trace_hardirqs_off+0xb8/0x310
[  252.949927] lowmem_reserve[]: 0 0 0 0
[  252.954236]  ? trace_hardirqs_off+0xb8/0x310
[  252.958351] 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
[  252.987309]  __alloc_pages_slowpath+0x26e8/0x2e10
[  252.991695] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  252.995502]  ? warn_alloc+0x120/0x120
[  252.999864] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  253.013379]  ? print_usage_bug+0xc0/0xc0
[  253.018191] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  253.033449]  ? warn_alloc+0x120/0x120
[  253.037221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  253.052454]  ? warn_alloc+0x120/0x120
[  253.056482] 2041 total pagecache pages
[  253.065310]  ? print_usage_bug+0xc0/0xc0
[  253.069123] 0 pages in swap cache
[  253.077682]  ? print_usage_bug+0xc0/0xc0
[  253.081448] Swap cache stats: add 0, delete 0, find 0/0
[  253.081455] Free swap  = 0kB
[  253.085323]  ? __lock_acquire+0x62f/0x4c20
[  253.089344] Total swap = 0kB
[  253.089350] 1965979 pages RAM
[  253.092786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.096809] 0 pages HighMem/MovableOnly
[  253.096815] 342854 pages reserved
[  253.102158]  ? should_fail+0x22d/0xd01
[  253.105137] 0 pages cma reserved
[  253.105195] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.109356]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.109371]  ? __lock_acquire+0x62f/0x4c20
[  253.109386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.112507] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.115544]  ? __lock_acquire+0x62f/0x4c20
[  253.121046] syz-executor3 cpuset=syz3 mems_allowed=0
[  253.124996]  ? should_fail+0x22d/0xd01
[  253.125009]  ? find_held_lock+0x36/0x1c0
[  253.184284]  ? mark_held_locks+0x130/0x130
[  253.188512]  ? mark_held_locks+0x130/0x130
[  253.192740]  ? zap_class+0x640/0x640
[  253.196444]  ? mark_held_locks+0xc7/0x130
[  253.200577]  ? do_raw_spin_unlock+0xa7/0x330
[  253.204973]  ? zap_class+0x640/0x640
[  253.208760]  ? print_usage_bug+0xc0/0xc0
[  253.212810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.218336]  ? check_preemption_disabled+0x48/0x280
[  253.223347]  ? __lock_is_held+0xb5/0x140
[  253.227404]  __alloc_pages_nodemask+0xa80/0xde0
[  253.232058]  ? zap_class+0x640/0x640
[  253.235762]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  253.240771]  ? find_held_lock+0x36/0x1c0
[  253.244842]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.249696]  ? lock_downgrade+0x900/0x900
[  253.253851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.259378]  cache_grow_begin+0xa5/0x8c0
[  253.263427]  ? do_raw_spin_unlock+0xa7/0x330
[  253.267834]  fallback_alloc+0x204/0x2e0
[  253.271801]  ____cache_alloc_node+0x1c7/0x1e0
[  253.276295]  kmem_cache_alloc_node+0xe3/0x730
[  253.280895]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.285123]  __alloc_skb+0x119/0x770
[  253.288822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.294095]  ? netdev_alloc_frag+0x1f0/0x1f0
[  253.298490]  ? lock_downgrade+0x900/0x900
[  253.302628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.308151]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.313588]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.319025]  ? addrconf_rs_timer+0x690/0x690
[  253.323445]  ndisc_alloc_skb+0x144/0x340
[  253.327497]  ndisc_send_rs+0x331/0x6e0
[  253.331376]  addrconf_rs_timer+0x314/0x690
[  253.335775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.340005]  call_timer_fn+0x272/0x920
[  253.343967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.348187]  ? process_timeout+0x40/0x40
[  253.352239]  ? __run_timers+0x7da/0xc70
[  253.356297]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.360789]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.365358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.369583]  ? lockdep_hardirqs_on+0x296/0x5b0
[  253.374250]  ? trace_hardirqs_on+0xbd/0x310
[  253.378556]  ? kasan_check_read+0x11/0x20
[  253.382691]  ? __run_timers+0x7da/0xc70
[  253.386659]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.391952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.396184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.400438]  __run_timers+0x7e5/0xc70
[  253.404233]  ? timer_fixup_init+0x70/0x70
[  253.408370]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.412848]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.417337]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  253.421933]  ? trace_hardirqs_on+0xbd/0x310
[  253.426252]  ? kasan_check_read+0x11/0x20
[  253.430390]  ? finish_task_switch+0x1f4/0x910
[  253.434872]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.439961]  ? compat_start_thread+0x80/0x80
[  253.444382]  ? pvclock_read_flags+0x160/0x160
[  253.448860]  ? __switch_to_asm+0x34/0x70
[  253.452913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.458438]  ? check_preemption_disabled+0x48/0x280
[  253.463455]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  253.468981]  ? rcu_pm_notify+0xc0/0xc0
[  253.472857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.478385]  ? check_preemption_disabled+0x48/0x280
[  253.483393]  run_timer_softirq+0x52/0xb0
[  253.487443]  ? rcu_read_lock_sched_held+0x14f/0x180
[  253.492445]  __do_softirq+0x308/0xb7e
[  253.496240]  ? trace_hardirqs_on_caller+0xc0/0x310
[  253.501163]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  253.506254]  ? trace_hardirqs_on+0x310/0x310
[  253.510653]  ? schedule+0x108/0x460
[  253.514281]  ? trace_hardirqs_off+0xb8/0x310
[  253.518677]  ? smpboot_thread_fn+0x68b/0xa00
[  253.523161]  ? trace_hardirqs_on+0x310/0x310
[  253.527559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.533084]  ? check_preemption_disabled+0x48/0x280
[  253.538087]  ? takeover_tasklets+0xa90/0xa90
[  253.542483]  run_ksoftirqd+0x5e/0x100
[  253.546268]  smpboot_thread_fn+0x68b/0xa00
[  253.550494]  ? sort_range+0x30/0x30
[  253.554107]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.559197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.564721]  ? __kthread_parkme+0xfb/0x1a0
[  253.568948]  ? sort_range+0x30/0x30
[  253.572567]  kthread+0x35a/0x440
[  253.575923]  ? kthread_stop+0x900/0x900
[  253.579888]  ret_from_fork+0x3a/0x50
[  253.583600] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  253.583660] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.590853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.590858] Call Trace:
[  253.590863]  <IRQ>
[  253.590876]  dump_stack+0x244/0x39d
[  253.590891]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.597393] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.606691]  warn_alloc.cold.116+0xb7/0x1bd
[  253.609236] ksoftirqd/1 cpuset=/ mems_allowed=0
[  253.611365]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.644186]  ? lock_downgrade+0x900/0x900
[  253.648554]  ? trace_hardirqs_off+0xb8/0x310
[  253.652953]  ? trace_hardirqs_off+0xb8/0x310
[  253.657356]  __alloc_pages_slowpath+0x26e8/0x2e10
[  253.662207]  ? warn_alloc+0x120/0x120
[  253.665995]  ? print_usage_bug+0xc0/0xc0
[  253.670078]  ? warn_alloc+0x120/0x120
[  253.673875]  ? warn_alloc+0x120/0x120
[  253.677661]  ? print_usage_bug+0xc0/0xc0
[  253.681710]  ? print_usage_bug+0xc0/0xc0
[  253.685852]  ? __lock_acquire+0x62f/0x4c20
[  253.690077]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.695599]  ? should_fail+0x22d/0xd01
[  253.699478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.704568]  ? __lock_acquire+0x62f/0x4c20
[  253.708791]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.713887]  ? __lock_acquire+0x62f/0x4c20
[  253.718124]  ? should_fail+0x22d/0xd01
[  253.721997]  ? find_held_lock+0x36/0x1c0
[  253.726052]  ? mark_held_locks+0x130/0x130
[  253.730279]  ? mark_held_locks+0x130/0x130
[  253.734501]  ? zap_class+0x640/0x640
[  253.738200]  ? zap_class+0x640/0x640
[  253.741907]  ? print_usage_bug+0xc0/0xc0
[  253.745957]  ? do_raw_spin_unlock+0xa7/0x330
[  253.750355]  ? zap_class+0x640/0x640
[  253.754055]  ? print_usage_bug+0xc0/0xc0
[  253.758215]  ? wq_watchdog_touch+0x9c/0xfe
[  253.762437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.767964]  ? check_preemption_disabled+0x48/0x280
[  253.772977]  ? __lock_is_held+0xb5/0x140
[  253.777033]  __alloc_pages_nodemask+0xa80/0xde0
[  253.781692]  ? zap_class+0x640/0x640
[  253.785395]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  253.790405]  ? find_held_lock+0x36/0x1c0
[  253.794460]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.799124]  ? lock_downgrade+0x900/0x900
[  253.803275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.808814]  cache_grow_begin+0xa5/0x8c0
[  253.812862]  ? do_raw_spin_unlock+0xa7/0x330
[  253.817261]  fallback_alloc+0x204/0x2e0
[  253.821229]  ____cache_alloc_node+0x1c7/0x1e0
[  253.825718]  kmem_cache_alloc_node+0xe3/0x730
[  253.830200]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.834431]  __alloc_skb+0x119/0x770
[  253.838140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.843407]  ? netdev_alloc_frag+0x1f0/0x1f0
[  253.847808]  ? lock_downgrade+0x900/0x900
[  253.851947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.857470]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.862918]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.868354]  ? addrconf_rs_timer+0x690/0x690
[  253.872756]  ndisc_alloc_skb+0x144/0x340
[  253.876840]  ndisc_send_rs+0x331/0x6e0
[  253.880717]  addrconf_rs_timer+0x314/0x690
[  253.884942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.889186]  call_timer_fn+0x272/0x920
[  253.893061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.897291]  ? process_timeout+0x40/0x40
[  253.901344]  ? __run_timers+0x7da/0xc70
[  253.905312]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.909829]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.914315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.918541]  ? lockdep_hardirqs_on+0x296/0x5b0
[  253.923111]  ? trace_hardirqs_on+0xbd/0x310
[  253.927436]  ? kasan_check_read+0x11/0x20
[  253.931570]  ? __run_timers+0x7da/0xc70
[  253.935540]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.940636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.944864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.949081]  __run_timers+0x7e5/0xc70
[  253.952876]  ? timer_fixup_init+0x70/0x70
[  253.957017]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  253.962498]  ? zap_class+0x640/0x640
[  253.966201]  ? enqueue_hrtimer+0x1a5/0x560
[  253.970428]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  253.975617]  ? find_held_lock+0x36/0x1c0
[  253.979667]  ? zap_class+0x640/0x640
[  253.983372]  ? pvclock_read_flags+0x160/0x160
[  253.987856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.993383]  ? check_preemption_disabled+0x48/0x280
[  253.998392]  ? __lock_is_held+0xb5/0x140
[  254.002443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.007965]  ? check_preemption_disabled+0x48/0x280
[  254.012973]  run_timer_softirq+0x52/0xb0
[  254.017019]  ? rcu_read_lock_sched_held+0x14f/0x180
[  254.022025]  __do_softirq+0x308/0xb7e
[  254.025818]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  254.030298]  ? lock_downgrade+0x900/0x900
[  254.034438]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  254.039531]  ? pvclock_read_flags+0x160/0x160
[  254.044017]  ? lapic_next_event+0x5a/0x90
[  254.048173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.053725]  ? kvm_clock_read+0x18/0x30
[  254.057688]  ? kvm_sched_clock_read+0x9/0x20
[  254.062084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.067607]  ? check_preemption_disabled+0x48/0x280
[  254.072618]  irq_exit+0x17f/0x1c0
[  254.076058]  smp_apic_timer_interrupt+0x1cb/0x760
[  254.080886]  ? smp_reschedule_interrupt+0x109/0x650
[  254.085891]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.092458]  ? interrupt_entry+0xb5/0xc0
[  254.096506]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.101507]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.106517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.111348]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.116349]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.121353]  ? task_prio+0x50/0x50
[  254.124882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.130405]  ? check_preemption_disabled+0x48/0x280
[  254.135415]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.140250]  apic_timer_interrupt+0xf/0x20
[  254.144472]  </IRQ>
[  254.146698] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  254.151614] 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
[  254.170501] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  254.178196] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  254.185460] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  254.192806] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  254.200060] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  254.207559] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  254.214842]  skb_clone+0x1bb/0x500
[  254.218372]  ? finish_task_switch+0x2f4/0x910
[  254.222868]  ? skb_split+0x11e0/0x11e0
[  254.226746]  ? preempt_notifier_register+0x200/0x200
[  254.231846]  ? __switch_to_asm+0x34/0x70
[  254.235917]  ? __switch_to_asm+0x34/0x70
[  254.239960]  ? __switch_to_asm+0x40/0x70
[  254.244008]  ? __switch_to_asm+0x34/0x70
[  254.248054]  ? __switch_to_asm+0x40/0x70
[  254.252097]  ? __switch_to_asm+0x34/0x70
[  254.256144]  ? __switch_to_asm+0x40/0x70
[  254.260189]  ? __switch_to_asm+0x34/0x70
[  254.264233]  ? __switch_to_asm+0x34/0x70
[  254.268285]  ? __switch_to_asm+0x40/0x70
[  254.272332]  ? __switch_to_asm+0x34/0x70
[  254.276386]  bpf_clone_redirect+0xb9/0x490
[  254.280612]  ? __schedule+0x8d7/0x21d0
[  254.284489]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  254.289491]  ? __sched_text_start+0x8/0x8
[  254.293625]  ? retint_kernel+0x2d/0x2d
[  254.297501]  ? trace_hardirqs_on_caller+0xc0/0x310
[  254.302418]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.307163]  ? find_held_lock+0x36/0x1c0
[  254.311305]  ? lock_acquire+0x1ed/0x520
[  254.315267]  ? bpf_test_run+0x3cb/0x780
[  254.319230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.324769]  ? check_preemption_disabled+0x48/0x280
[  254.329783]  ? kasan_check_read+0x11/0x20
[  254.333928]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.339192]  ? rcu_softirq_qs+0x20/0x20
[  254.343153]  ? preempt_schedule+0x4d/0x60
[  254.347285]  ? ___preempt_schedule+0x16/0x18
[  254.351791]  ? bpf_test_run+0x25d/0x780
[  254.355769]  ? netlink_diag_dump+0x2a0/0x2a0
[  254.360170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.365693]  ? bpf_test_init.isra.10+0x70/0x100
[  254.370351]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  254.375102]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  254.379930]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  254.385455]  ? fput+0x130/0x1a0
[  254.388724]  ? __bpf_prog_get+0x9b/0x290
[  254.392790]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  254.397620]  ? bpf_prog_test_run+0x130/0x1a0
[  254.402017]  ? __x64_sys_bpf+0x3d8/0x520
[  254.406063]  ? bpf_prog_get+0x20/0x20
[  254.409867]  ? do_syscall_64+0x1b9/0x820
[  254.413915]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  254.419266]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.424183]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.429017]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.434020]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  254.439023]  ? prepare_exit_to_usermode+0x291/0x3b0
[  254.444029]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.448865]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  254.454228] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  254.454232] warn_alloc_show_mem: 1 callbacks suppressed
[  254.454237] Mem-Info:
[  254.461149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.461154] Call Trace:
[  254.466510] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  254.466510]  active_file:12 inactive_file:13 isolated_file:0
[  254.466510]  unevictable:0 dirty:0 writeback:0 unstable:0
[  254.466510]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  254.466510]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  254.466510]  free:13767 free_pcp:247 free_cma:0
[  254.468882]  dump_stack+0x244/0x39d
[  254.478219] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  254.480789]  ? dump_stack_print_info.cold.1+0x20/0x20
[  254.513804] 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
[  254.517423]  warn_alloc.cold.116+0xb7/0x1bd
[  254.545050] lowmem_reserve[]: 0 2818 6321 6321
[  254.550225]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.576297] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  254.580599]  ? lock_downgrade+0x900/0x900
[  254.585143] lowmem_reserve[]: 0 0 3503 3503
[  254.589976]  ? trace_hardirqs_off+0xb8/0x310
[  254.617781] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  254.621916]  ? trace_hardirqs_off+0xb8/0x310
[  254.626196] lowmem_reserve[]: 0 0 0 0
[  254.630592]  __alloc_pages_slowpath+0x26e8/0x2e10
[  254.659525] 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
[  254.663931]  ? warn_alloc+0x120/0x120
[  254.667675] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  254.672505]  ? print_usage_bug+0xc0/0xc0
[  254.685988] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  254.689782]  ? warn_alloc+0x120/0x120
[  254.704923] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  254.708961]  ? warn_alloc+0x120/0x120
[  254.724187] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  254.727965]  ? print_usage_bug+0xc0/0xc0
[  254.736769] 2041 total pagecache pages
[  254.740548]  ? print_usage_bug+0xc0/0xc0
[  254.749092] 0 pages in swap cache
[  254.753125]  ? __lock_acquire+0x62f/0x4c20
[  254.756978] Swap cache stats: add 0, delete 0, find 0/0
[  254.756985] Free swap  = 0kB
[  254.761024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.764437] Total swap = 0kB
[  254.764444] 1965979 pages RAM
[  254.768656]  ? should_fail+0x22d/0xd01
[  254.773979] 0 pages HighMem/MovableOnly
[  254.773985] 342854 pages reserved
[  254.776985]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.782483] 0 pages cma reserved
[  254.782543] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.785490]  ? __lock_acquire+0x62f/0x4c20
[  254.788609] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.792433]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.796370] syz-executor3 cpuset=syz3 mems_allowed=0
[  254.799799]  ? __lock_acquire+0x62f/0x4c20
[  254.799811]  ? should_fail+0x22d/0xd01
[  254.847588]  ? find_held_lock+0x36/0x1c0
[  254.851650]  ? mark_held_locks+0x130/0x130
[  254.855878]  ? mark_held_locks+0x130/0x130
[  254.860100]  ? zap_class+0x640/0x640
[  254.863801]  ? zap_class+0x640/0x640
[  254.867503]  ? print_usage_bug+0xc0/0xc0
[  254.871548]  ? do_raw_spin_unlock+0xa7/0x330
[  254.875943]  ? zap_class+0x640/0x640
[  254.879640]  ? print_usage_bug+0xc0/0xc0
[  254.883688]  ? wq_watchdog_touch+0x9c/0xfe
[  254.887918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.893441]  ? check_preemption_disabled+0x48/0x280
[  254.898452]  ? __lock_is_held+0xb5/0x140
[  254.902519]  __alloc_pages_nodemask+0xa80/0xde0
[  254.907174]  ? zap_class+0x640/0x640
[  254.910877]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  254.915887]  ? find_held_lock+0x36/0x1c0
[  254.919940]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.924599]  ? lock_downgrade+0x900/0x900
[  254.928739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.934269]  cache_grow_begin+0xa5/0x8c0
[  254.938316]  ? do_raw_spin_unlock+0xa7/0x330
[  254.942723]  fallback_alloc+0x204/0x2e0
[  254.946688]  ____cache_alloc_node+0x1c7/0x1e0
[  254.951180]  kmem_cache_alloc_node+0xe3/0x730
[  254.955667]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.959904]  __alloc_skb+0x119/0x770
[  254.963606]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.968875]  ? netdev_alloc_frag+0x1f0/0x1f0
[  254.973268]  ? lock_downgrade+0x900/0x900
[  254.977409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.982935]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.988379]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.993815]  ? addrconf_rs_timer+0x690/0x690
[  254.998230]  ndisc_alloc_skb+0x144/0x340
[  255.002284]  ndisc_send_rs+0x331/0x6e0
[  255.006163]  addrconf_rs_timer+0x314/0x690
[  255.010387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.014616]  call_timer_fn+0x272/0x920
[  255.018491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.022714]  ? process_timeout+0x40/0x40
[  255.026775]  ? __run_timers+0x7da/0xc70
[  255.030738]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.035220]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.039706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.043929]  ? lockdep_hardirqs_on+0x296/0x5b0
[  255.048497]  ? trace_hardirqs_on+0xbd/0x310
[  255.052804]  ? kasan_check_read+0x11/0x20
[  255.056936]  ? __run_timers+0x7da/0xc70
[  255.060897]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.065988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.070220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.074438]  __run_timers+0x7e5/0xc70
[  255.078233]  ? timer_fixup_init+0x70/0x70
[  255.082366]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.086845]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.091330]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.095898]  ? trace_hardirqs_on+0xbd/0x310
[  255.100209]  ? kasan_check_read+0x11/0x20
[  255.104344]  ? finish_task_switch+0x1f4/0x910
[  255.108828]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.113915]  ? compat_start_thread+0x80/0x80
[  255.118336]  ? pvclock_read_flags+0x160/0x160
[  255.122814]  ? __switch_to_asm+0x34/0x70
[  255.126861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.132857]  ? check_preemption_disabled+0x48/0x280
[  255.137871]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  255.143395]  ? rcu_pm_notify+0xc0/0xc0
[  255.147269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.152792]  ? check_preemption_disabled+0x48/0x280
[  255.157804]  run_timer_softirq+0x52/0xb0
[  255.161853]  ? rcu_read_lock_sched_held+0x14f/0x180
[  255.166858]  __do_softirq+0x308/0xb7e
[  255.170648]  ? trace_hardirqs_on_caller+0xc0/0x310
[  255.175578]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  255.180677]  ? trace_hardirqs_on+0x310/0x310
[  255.185080]  ? schedule+0x108/0x460
[  255.188707]  ? trace_hardirqs_off+0xb8/0x310
[  255.193102]  ? smpboot_thread_fn+0x68b/0xa00
[  255.197499]  ? trace_hardirqs_on+0x310/0x310
[  255.201896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.207419]  ? check_preemption_disabled+0x48/0x280
[  255.212421]  ? takeover_tasklets+0xa90/0xa90
[  255.216819]  run_ksoftirqd+0x5e/0x100
[  255.220606]  smpboot_thread_fn+0x68b/0xa00
[  255.224835]  ? sort_range+0x30/0x30
[  255.228449]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.233538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.239062]  ? __kthread_parkme+0xfb/0x1a0
[  255.243287]  ? sort_range+0x30/0x30
[  255.246900]  kthread+0x35a/0x440
[  255.250257]  ? kthread_stop+0x900/0x900
[  255.254217]  ret_from_fork+0x3a/0x50
[  255.257932] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  255.258003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  255.265191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.265196] Call Trace:
[  255.265201]  <IRQ>
[  255.265213]  dump_stack+0x244/0x39d
[  255.265228]  ? dump_stack_print_info.cold.1+0x20/0x20
[  255.271750] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.281038]  warn_alloc.cold.116+0xb7/0x1bd
[  255.283586] ksoftirqd/1 cpuset=/ mems_allowed=0
[  255.285721]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.318568]  ? lock_downgrade+0x900/0x900
[  255.322712]  ? trace_hardirqs_off+0xb8/0x310
[  255.327115]  ? trace_hardirqs_off+0xb8/0x310
[  255.331527]  __alloc_pages_slowpath+0x26e8/0x2e10
[  255.336389]  ? warn_alloc+0x120/0x120
[  255.340187]  ? print_usage_bug+0xc0/0xc0
[  255.344249]  ? warn_alloc+0x120/0x120
[  255.348043]  ? warn_alloc+0x120/0x120
[  255.351870]  ? print_usage_bug+0xc0/0xc0
[  255.355927]  ? print_usage_bug+0xc0/0xc0
[  255.359986]  ? __lock_acquire+0x62f/0x4c20
[  255.364217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.369747]  ? should_fail+0x22d/0xd01
[  255.373630]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.378731]  ? __lock_acquire+0x62f/0x4c20
[  255.382980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.388090]  ? __lock_acquire+0x62f/0x4c20
[  255.392315]  ? should_fail+0x22d/0xd01
[  255.396192]  ? find_held_lock+0x36/0x1c0
[  255.400250]  ? mark_held_locks+0x130/0x130
[  255.404473]  ? mark_held_locks+0x130/0x130
[  255.408712]  ? zap_class+0x640/0x640
[  255.412412]  ? zap_class+0x640/0x640
[  255.416114]  ? print_usage_bug+0xc0/0xc0
[  255.420163]  ? do_raw_spin_unlock+0xa7/0x330
[  255.424555]  ? zap_class+0x640/0x640
[  255.428256]  ? print_usage_bug+0xc0/0xc0
[  255.432303]  ? wq_watchdog_touch+0x9c/0xfe
[  255.436529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.442171]  ? check_preemption_disabled+0x48/0x280
[  255.447183]  ? __lock_is_held+0xb5/0x140
[  255.451240]  __alloc_pages_nodemask+0xa80/0xde0
[  255.455897]  ? zap_class+0x640/0x640
[  255.459605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  255.464614]  ? find_held_lock+0x36/0x1c0
[  255.468685]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.473339]  ? lock_downgrade+0x900/0x900
[  255.477480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.483009]  cache_grow_begin+0xa5/0x8c0
[  255.487057]  ? do_raw_spin_unlock+0xa7/0x330
[  255.491465]  fallback_alloc+0x204/0x2e0
[  255.495430]  ____cache_alloc_node+0x1c7/0x1e0
[  255.499932]  kmem_cache_alloc_node+0xe3/0x730
[  255.504419]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.508664]  __alloc_skb+0x119/0x770
[  255.512368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.517636]  ? netdev_alloc_frag+0x1f0/0x1f0
[  255.522040]  ? lock_downgrade+0x900/0x900
[  255.526180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.531705]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.537233]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.542677]  ? addrconf_rs_timer+0x690/0x690
[  255.547082]  ndisc_alloc_skb+0x144/0x340
[  255.551131]  ndisc_send_rs+0x331/0x6e0
[  255.555009]  addrconf_rs_timer+0x314/0x690
[  255.559233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.563464]  call_timer_fn+0x272/0x920
[  255.567346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.571569]  ? process_timeout+0x40/0x40
[  255.575658]  ? __run_timers+0x7da/0xc70
[  255.579626]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.584123]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.588605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.592826]  ? lockdep_hardirqs_on+0x296/0x5b0
[  255.597393]  ? trace_hardirqs_on+0xbd/0x310
[  255.601699]  ? kasan_check_read+0x11/0x20
[  255.605832]  ? __run_timers+0x7da/0xc70
[  255.609796]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.614891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.619118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.623338]  __run_timers+0x7e5/0xc70
[  255.627132]  ? timer_fixup_init+0x70/0x70
[  255.631268]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  255.636270]  ? zap_class+0x640/0x640
[  255.639972]  ? enqueue_hrtimer+0x1a5/0x560
[  255.644197]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  255.649378]  ? find_held_lock+0x36/0x1c0
[  255.653431]  ? zap_class+0x640/0x640
[  255.657133]  ? pvclock_read_flags+0x160/0x160
[  255.661616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.667147]  ? check_preemption_disabled+0x48/0x280
[  255.672155]  ? __lock_is_held+0xb5/0x140
[  255.676207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.681731]  ? check_preemption_disabled+0x48/0x280
[  255.686744]  run_timer_softirq+0x52/0xb0
[  255.690793]  ? rcu_read_lock_sched_held+0x14f/0x180
[  255.695795]  __do_softirq+0x308/0xb7e
[  255.699586]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  255.704067]  ? lock_downgrade+0x900/0x900
[  255.708207]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  255.713304]  ? pvclock_read_flags+0x160/0x160
[  255.717790]  ? lapic_next_event+0x5a/0x90
[  255.721940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.727468]  ? kvm_clock_read+0x18/0x30
[  255.731433]  ? kvm_sched_clock_read+0x9/0x20
[  255.735839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.741366]  ? check_preemption_disabled+0x48/0x280
[  255.746380]  irq_exit+0x17f/0x1c0
[  255.749826]  smp_apic_timer_interrupt+0x1cb/0x760
[  255.754660]  ? smp_reschedule_interrupt+0x109/0x650
[  255.759672]  ? smp_call_function_single_interrupt+0x650/0x650
[  255.765558]  ? interrupt_entry+0xb5/0xc0
[  255.769608]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.774646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.779657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.784487]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.789488]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.794489]  ? task_prio+0x50/0x50
[  255.798015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.803539]  ? check_preemption_disabled+0x48/0x280
[  255.808553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.813413]  apic_timer_interrupt+0xf/0x20
[  255.817633]  </IRQ>
[  255.819863] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  255.824782] 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
[  255.843669] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  255.851391] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  255.858665] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  255.865921] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  255.873174] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  255.880427] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  255.887709]  skb_clone+0x1bb/0x500
[  255.891238]  ? finish_task_switch+0x2f4/0x910
[  255.895752]  ? skb_split+0x11e0/0x11e0
[  255.899645]  ? preempt_notifier_register+0x200/0x200
[  255.904735]  ? __switch_to_asm+0x34/0x70
[  255.908782]  ? __switch_to_asm+0x34/0x70
[  255.912826]  ? __switch_to_asm+0x40/0x70
[  255.916872]  ? __switch_to_asm+0x34/0x70
[  255.920919]  ? __switch_to_asm+0x40/0x70
[  255.924978]  ? __switch_to_asm+0x34/0x70
[  255.929030]  ? __switch_to_asm+0x40/0x70
[  255.933074]  ? __switch_to_asm+0x34/0x70
[  255.937125]  ? __switch_to_asm+0x34/0x70
[  255.941169]  ? __switch_to_asm+0x40/0x70
[  255.945217]  ? __switch_to_asm+0x34/0x70
[  255.949275]  bpf_clone_redirect+0xb9/0x490
[  255.953494]  ? __schedule+0x8d7/0x21d0
[  255.957375]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  255.962858]  ? __sched_text_start+0x8/0x8
[  255.966997]  ? retint_kernel+0x2d/0x2d
[  255.970870]  ? trace_hardirqs_on_caller+0xc0/0x310
[  255.975787]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.980542]  ? find_held_lock+0x36/0x1c0
[  255.984595]  ? lock_acquire+0x1ed/0x520
[  255.988566]  ? bpf_test_run+0x3cb/0x780
[  255.992529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.998051]  ? check_preemption_disabled+0x48/0x280
[  256.003058]  ? kasan_check_read+0x11/0x20
[  256.007191]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.012453]  ? rcu_softirq_qs+0x20/0x20
[  256.016418]  ? preempt_schedule+0x4d/0x60
[  256.020560]  ? ___preempt_schedule+0x16/0x18
[  256.024962]  ? bpf_test_run+0x25d/0x780
[  256.028931]  ? netlink_diag_dump+0x2a0/0x2a0
[  256.033328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.038850]  ? bpf_test_init.isra.10+0x70/0x100
[  256.043507]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  256.048257]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  256.053088]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  256.058626]  ? fput+0x130/0x1a0
[  256.061892]  ? __bpf_prog_get+0x9b/0x290
[  256.065942]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  256.070802]  ? bpf_prog_test_run+0x130/0x1a0
[  256.075203]  ? __x64_sys_bpf+0x3d8/0x520
[  256.079251]  ? bpf_prog_get+0x20/0x20
[  256.083054]  ? do_syscall_64+0x1b9/0x820
[  256.087098]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  256.092449]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.097365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.102198]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.107203]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  256.112210]  ? prepare_exit_to_usermode+0x291/0x3b0
[  256.117219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.122054]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  256.127416] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  256.127420] warn_alloc_show_mem: 1 callbacks suppressed
[  256.127425] Mem-Info:
[  256.134344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.134350] Call Trace:
[  256.139706] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  256.139706]  active_file:12 inactive_file:13 isolated_file:0
[  256.139706]  unevictable:0 dirty:0 writeback:0 unstable:0
[  256.139706]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  256.139706]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  256.139706]  free:13767 free_pcp:247 free_cma:0
[  256.142079]  dump_stack+0x244/0x39d
[  256.151416] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  256.153978]  ? dump_stack_print_info.cold.1+0x20/0x20
[  256.186995] 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
[  256.190614]  warn_alloc.cold.116+0xb7/0x1bd
[  256.218246] lowmem_reserve[]: 0 2818 6321 6321
[  256.223420]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.249494] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  256.253800]  ? lock_downgrade+0x900/0x900
[  256.258340] lowmem_reserve[]: 0 0 3503 3503
[  256.263180]  ? trace_hardirqs_off+0xb8/0x310
[  256.290987] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  256.295125]  ? trace_hardirqs_off+0xb8/0x310
[  256.299407] lowmem_reserve[]: 0 0 0 0
[  256.303806]  __alloc_pages_slowpath+0x26e8/0x2e10
[  256.332741] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  256.337149]  ? warn_alloc+0x120/0x120
[  256.340893] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  256.345726]  ? print_usage_bug+0xc0/0xc0
[  256.359207] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  256.363003]  ? warn_alloc+0x120/0x120
[  256.378231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  256.382285]  ? warn_alloc+0x120/0x120
[  256.397515] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  256.401289]  ? print_usage_bug+0xc0/0xc0
[  256.410086] 2041 total pagecache pages
[  256.410099] 0 pages in swap cache
[  256.413874]  ? print_usage_bug+0xc0/0xc0
[  256.422416] Swap cache stats: add 0, delete 0, find 0/0
[  256.426541]  ? __lock_acquire+0x62f/0x4c20
[  256.430392] Free swap  = 0kB
[  256.433828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.437848] Total swap = 0kB
[  256.437854] 1965979 pages RAM
[  256.443196]  ? should_fail+0x22d/0xd01
[  256.447393] 0 pages HighMem/MovableOnly
[  256.447399] 342854 pages reserved
[  256.450396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.455897] 0 pages cma reserved
[  256.455953] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.458899]  ? __lock_acquire+0x62f/0x4c20
[  256.458915]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.458927]  ? __lock_acquire+0x62f/0x4c20
[  256.462048] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.465868]  ? should_fail+0x22d/0xd01
[  256.469806] syz-executor3 cpuset=syz3 mems_allowed=0
[  256.473237]  ? find_held_lock+0x36/0x1c0
[  256.525052]  ? mark_held_locks+0x130/0x130
[  256.529391]  ? mark_held_locks+0x130/0x130
[  256.533608]  ? zap_class+0x640/0x640
[  256.537313]  ? mark_held_locks+0xc7/0x130
[  256.541571]  ? do_raw_spin_unlock+0xa7/0x330
[  256.545967]  ? zap_class+0x640/0x640
[  256.549669]  ? print_usage_bug+0xc0/0xc0
[  256.553720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.559247]  ? check_preemption_disabled+0x48/0x280
[  256.564258]  ? __lock_is_held+0xb5/0x140
[  256.568311]  __alloc_pages_nodemask+0xa80/0xde0
[  256.572968]  ? zap_class+0x640/0x640
[  256.576672]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  256.581688]  ? find_held_lock+0x36/0x1c0
[  256.585744]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.590399]  ? lock_downgrade+0x900/0x900
[  256.594571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.600101]  cache_grow_begin+0xa5/0x8c0
[  256.604147]  ? do_raw_spin_unlock+0xa7/0x330
[  256.608546]  fallback_alloc+0x204/0x2e0
[  256.612521]  ____cache_alloc_node+0x1c7/0x1e0
[  256.617008]  kmem_cache_alloc_node+0xe3/0x730
[  256.621490]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.625718]  __alloc_skb+0x119/0x770
[  256.629424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.634688]  ? netdev_alloc_frag+0x1f0/0x1f0
[  256.639089]  ? lock_downgrade+0x900/0x900
[  256.643230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.648755]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.654193]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.659628]  ? addrconf_rs_timer+0x690/0x690
[  256.664034]  ndisc_alloc_skb+0x144/0x340
[  256.668086]  ndisc_send_rs+0x331/0x6e0
[  256.671966]  addrconf_rs_timer+0x314/0x690
[  256.676192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.680420]  call_timer_fn+0x272/0x920
[  256.684296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.688515]  ? process_timeout+0x40/0x40
[  256.692576]  ? __run_timers+0x7da/0xc70
[  256.696563]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.701046]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.705527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.709754]  ? lockdep_hardirqs_on+0x296/0x5b0
[  256.714433]  ? trace_hardirqs_on+0xbd/0x310
[  256.718743]  ? kasan_check_read+0x11/0x20
[  256.722884]  ? __run_timers+0x7da/0xc70
[  256.726848]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.732042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.736271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.740491]  __run_timers+0x7e5/0xc70
[  256.744392]  ? timer_fixup_init+0x70/0x70
[  256.748530]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.753053]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.757566]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  256.762147]  ? trace_hardirqs_on+0xbd/0x310
[  256.766472]  ? kasan_check_read+0x11/0x20
[  256.770616]  ? finish_task_switch+0x1f4/0x910
[  256.775115]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.780295]  ? compat_start_thread+0x80/0x80
[  256.784706]  ? pvclock_read_flags+0x160/0x160
[  256.789186]  ? __switch_to_asm+0x34/0x70
[  256.793236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.798760]  ? check_preemption_disabled+0x48/0x280
[  256.803770]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  256.809297]  ? rcu_pm_notify+0xc0/0xc0
[  256.813175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.818698]  ? check_preemption_disabled+0x48/0x280
[  256.823799]  run_timer_softirq+0x52/0xb0
[  256.827846]  ? rcu_read_lock_sched_held+0x14f/0x180
[  256.832850]  __do_softirq+0x308/0xb7e
[  256.836642]  ? trace_hardirqs_on_caller+0xc0/0x310
[  256.841561]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  256.846649]  ? trace_hardirqs_on+0x310/0x310
[  256.851075]  ? schedule+0x108/0x460
[  256.854697]  ? trace_hardirqs_off+0xb8/0x310
[  256.859119]  ? smpboot_thread_fn+0x68b/0xa00
[  256.863561]  ? trace_hardirqs_on+0x310/0x310
[  256.867965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.873663]  ? check_preemption_disabled+0x48/0x280
[  256.878669]  ? takeover_tasklets+0xa90/0xa90
[  256.883069]  run_ksoftirqd+0x5e/0x100
[  256.886858]  smpboot_thread_fn+0x68b/0xa00
[  256.891081]  ? sort_range+0x30/0x30
[  256.894695]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.899782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.905317]  ? __kthread_parkme+0xfb/0x1a0
[  256.909550]  ? sort_range+0x30/0x30
[  256.913164]  kthread+0x35a/0x440
[  256.916520]  ? kthread_stop+0x900/0x900
[  256.920593]  ret_from_fork+0x3a/0x50
[  256.924309] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  256.924369] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.931568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.931573] Call Trace:
[  256.931578]  <IRQ>
[  256.931591]  dump_stack+0x244/0x39d
[  256.931607]  ? dump_stack_print_info.cold.1+0x20/0x20
[  256.938369] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.947672]  warn_alloc.cold.116+0xb7/0x1bd
[  256.950220] ksoftirqd/1 cpuset=/ mems_allowed=0
[  256.952354]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.985166]  ? lock_downgrade+0x900/0x900
[  256.989312]  ? trace_hardirqs_off+0xb8/0x310
[  256.993711]  ? trace_hardirqs_off+0xb8/0x310
[  256.998114]  __alloc_pages_slowpath+0x26e8/0x2e10
[  257.002973]  ? warn_alloc+0x120/0x120
[  257.006762]  ? print_usage_bug+0xc0/0xc0
[  257.010822]  ? warn_alloc+0x120/0x120
[  257.014616]  ? warn_alloc+0x120/0x120
[  257.018402]  ? print_usage_bug+0xc0/0xc0
[  257.022556]  ? print_usage_bug+0xc0/0xc0
[  257.026604]  ? __lock_acquire+0x62f/0x4c20
[  257.030829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.036351]  ? should_fail+0x22d/0xd01
[  257.040236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.045326]  ? __lock_acquire+0x62f/0x4c20
[  257.049556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.054738]  ? __lock_acquire+0x62f/0x4c20
[  257.058957]  ? should_fail+0x22d/0xd01
[  257.062832]  ? find_held_lock+0x36/0x1c0
[  257.066888]  ? mark_held_locks+0x130/0x130
[  257.071113]  ? mark_held_locks+0x130/0x130
[  257.075334]  ? zap_class+0x640/0x640
[  257.079036]  ? zap_class+0x640/0x640
[  257.082741]  ? print_usage_bug+0xc0/0xc0
[  257.086787]  ? do_raw_spin_unlock+0xa7/0x330
[  257.091180]  ? zap_class+0x640/0x640
[  257.094887]  ? print_usage_bug+0xc0/0xc0
[  257.098942]  ? wq_watchdog_touch+0x9c/0xfe
[  257.103167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.108777]  ? check_preemption_disabled+0x48/0x280
[  257.113787]  ? __lock_is_held+0xb5/0x140
[  257.117839]  __alloc_pages_nodemask+0xa80/0xde0
[  257.122515]  ? zap_class+0x640/0x640
[  257.126222]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  257.131410]  ? find_held_lock+0x36/0x1c0
[  257.135467]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.140123]  ? lock_downgrade+0x900/0x900
[  257.144278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.149813]  cache_grow_begin+0xa5/0x8c0
[  257.153883]  ? do_raw_spin_unlock+0xa7/0x330
[  257.158285]  fallback_alloc+0x204/0x2e0
[  257.162263]  ____cache_alloc_node+0x1c7/0x1e0
[  257.166748]  kmem_cache_alloc_node+0xe3/0x730
[  257.171249]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.175654]  __alloc_skb+0x119/0x770
[  257.179355]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.184639]  ? netdev_alloc_frag+0x1f0/0x1f0
[  257.189035]  ? lock_downgrade+0x900/0x900
[  257.193175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.198700]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.204142]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.209581]  ? addrconf_rs_timer+0x690/0x690
[  257.213986]  ndisc_alloc_skb+0x144/0x340
[  257.218054]  ndisc_send_rs+0x331/0x6e0
[  257.221936]  addrconf_rs_timer+0x314/0x690
[  257.226166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.230395]  call_timer_fn+0x272/0x920
[  257.234270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.238495]  ? process_timeout+0x40/0x40
[  257.242573]  ? __run_timers+0x7da/0xc70
[  257.246546]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.251142]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.255625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.259846]  ? lockdep_hardirqs_on+0x296/0x5b0
[  257.264418]  ? trace_hardirqs_on+0xbd/0x310
[  257.268727]  ? kasan_check_read+0x11/0x20
[  257.272862]  ? __run_timers+0x7da/0xc70
[  257.276825]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.281916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.286146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.290373]  __run_timers+0x7e5/0xc70
[  257.294166]  ? timer_fixup_init+0x70/0x70
[  257.298299]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  257.303304]  ? zap_class+0x640/0x640
[  257.307007]  ? enqueue_hrtimer+0x1a5/0x560
[  257.311228]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  257.316411]  ? find_held_lock+0x36/0x1c0
[  257.320463]  ? zap_class+0x640/0x640
[  257.324173]  ? pvclock_read_flags+0x160/0x160
[  257.328663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.334192]  ? check_preemption_disabled+0x48/0x280
[  257.339208]  ? __lock_is_held+0xb5/0x140
[  257.343262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.348912]  ? check_preemption_disabled+0x48/0x280
[  257.353920]  run_timer_softirq+0x52/0xb0
[  257.357969]  ? rcu_read_lock_sched_held+0x14f/0x180
[  257.363061]  __do_softirq+0x308/0xb7e
[  257.366862]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  257.371341]  ? lock_downgrade+0x900/0x900
[  257.375480]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  257.380584]  ? pvclock_read_flags+0x160/0x160
[  257.385066]  ? lapic_next_event+0x5a/0x90
[  257.389203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.394731]  ? kvm_clock_read+0x18/0x30
[  257.398693]  ? kvm_sched_clock_read+0x9/0x20
[  257.403095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.408637]  ? check_preemption_disabled+0x48/0x280
[  257.413649]  irq_exit+0x17f/0x1c0
[  257.417178]  smp_apic_timer_interrupt+0x1cb/0x760
[  257.422007]  ? smp_reschedule_interrupt+0x109/0x650
[  257.427013]  ? smp_call_function_single_interrupt+0x650/0x650
[  257.432897]  ? interrupt_entry+0xb5/0xc0
[  257.436944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.441947]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.446950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.451780]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.456782]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.461881]  ? task_prio+0x50/0x50
[  257.465410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.470934]  ? check_preemption_disabled+0x48/0x280
[  257.475939]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.480774]  apic_timer_interrupt+0xf/0x20
[  257.484992]  </IRQ>
[  257.487218] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  257.492135] 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
[  257.511302] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  257.519018] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  257.526271] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  257.533614] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  257.540870] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  257.548229] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  257.555519]  skb_clone+0x1bb/0x500
[  257.559047]  ? finish_task_switch+0x2f4/0x910
[  257.563534]  ? skb_split+0x11e0/0x11e0
[  257.567411]  ? preempt_notifier_register+0x200/0x200
[  257.572502]  ? __switch_to_asm+0x34/0x70
[  257.576552]  ? __switch_to_asm+0x34/0x70
[  257.580598]  ? __switch_to_asm+0x40/0x70
[  257.584649]  ? __switch_to_asm+0x34/0x70
[  257.588694]  ? __switch_to_asm+0x40/0x70
[  257.592742]  ? __switch_to_asm+0x34/0x70
[  257.596787]  ? __switch_to_asm+0x40/0x70
[  257.600833]  ? __switch_to_asm+0x34/0x70
[  257.604880]  ? __switch_to_asm+0x34/0x70
[  257.608925]  ? __switch_to_asm+0x40/0x70
[  257.612972]  ? __switch_to_asm+0x34/0x70
[  257.617024]  bpf_clone_redirect+0xb9/0x490
[  257.621248]  ? __schedule+0x8d7/0x21d0
[  257.625126]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  257.630133]  ? __sched_text_start+0x8/0x8
[  257.634267]  ? retint_kernel+0x2d/0x2d
[  257.638143]  ? trace_hardirqs_on_caller+0xc0/0x310
[  257.643066]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  257.647928]  ? find_held_lock+0x36/0x1c0
[  257.651980]  ? lock_acquire+0x1ed/0x520
[  257.655941]  ? bpf_test_run+0x3cb/0x780
[  257.659903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.665425]  ? check_preemption_disabled+0x48/0x280
[  257.670434]  ? kasan_check_read+0x11/0x20
[  257.674570]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.679832]  ? rcu_softirq_qs+0x20/0x20
[  257.683793]  ? preempt_schedule+0x4d/0x60
[  257.687926]  ? ___preempt_schedule+0x16/0x18
[  257.692337]  ? bpf_test_run+0x25d/0x780
[  257.696307]  ? netlink_diag_dump+0x2a0/0x2a0
[  257.700705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.706235]  ? bpf_test_init.isra.10+0x70/0x100
[  257.710898]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  257.715657]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  257.720496]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  257.726021]  ? fput+0x130/0x1a0
[  257.729298]  ? __bpf_prog_get+0x9b/0x290
[  257.733359]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  257.738184]  ? bpf_prog_test_run+0x130/0x1a0
[  257.742597]  ? __x64_sys_bpf+0x3d8/0x520
[  257.746655]  ? bpf_prog_get+0x20/0x20
[  257.750482]  ? do_syscall_64+0x1b9/0x820
[  257.754531]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  257.759884]  ? syscall_return_slowpath+0x5e0/0x5e0
[  257.764799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.769723]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.774822]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  257.779825]  ? prepare_exit_to_usermode+0x291/0x3b0
[  257.784835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.789669]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  257.795203] warn_alloc_show_mem: 1 callbacks suppressed
[  257.795211] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  257.795213] Mem-Info:
[  257.795257] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  257.795257]  active_file:12 inactive_file:13 isolated_file:0
[  257.795257]  unevictable:0 dirty:0 writeback:0 unstable:0
[  257.795257]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  257.795257]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  257.795257]  free:13767 free_pcp:247 free_cma:0
[  257.800584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.800591] Call Trace:
[  257.807506] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  257.809900]  dump_stack+0x244/0x39d
[  257.842915] 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
[  257.852256]  ? dump_stack_print_info.cold.1+0x20/0x20
[  257.854805] lowmem_reserve[]: 0 2818 6321 6321
[  257.882570]  warn_alloc.cold.116+0xb7/0x1bd
[  257.886156] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  257.912245]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.917398] lowmem_reserve[]: 0 0 3503 3503
[  257.921976]  ? lock_downgrade+0x900/0x900
[  257.926262] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  257.954096]  ? trace_hardirqs_off+0xb8/0x310
[  257.958898] lowmem_reserve[]: 0 0 0 0
[  257.963572]  ? trace_hardirqs_off+0xb8/0x310
[  257.967691] 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
[  257.996649]  __alloc_pages_slowpath+0x26e8/0x2e10
[  258.001014] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  258.004826]  ? warn_alloc+0x120/0x120
[  258.009176] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  258.022689]  ? print_usage_bug+0xc0/0xc0
[  258.027515] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  258.042663]  ? warn_alloc+0x120/0x120
[  258.046438] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  258.046446] 2041 total pagecache pages
[  258.061871]  ? warn_alloc+0x120/0x120
[  258.065909] 0 pages in swap cache
[  258.074721]  ? print_usage_bug+0xc0/0xc0
[  258.078495] Swap cache stats: add 0, delete 0, find 0/0
[  258.087050]  ? print_usage_bug+0xc0/0xc0
[  258.090904] Free swap  = 0kB
[  258.094685]  ? __lock_acquire+0x62f/0x4c20
[  258.098106] Total swap = 0kB
[  258.098113] 1965979 pages RAM
[  258.102158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.107501] 0 pages HighMem/MovableOnly
[  258.107507] 342854 pages reserved
[  258.111549]  ? should_fail+0x22d/0xd01
[  258.114539] 0 pages cma reserved
[  258.114614] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.118778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.121839] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.124860]  ? __lock_acquire+0x62f/0x4c20
[  258.130361] syz-executor3 cpuset=syz3 mems_allowed=0
[  258.134319]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.181359]  ? __lock_acquire+0x62f/0x4c20
[  258.185581]  ? should_fail+0x22d/0xd01
[  258.189456]  ? find_held_lock+0x36/0x1c0
[  258.193599]  ? mark_held_locks+0x130/0x130
[  258.197824]  ? mark_held_locks+0x130/0x130
[  258.202042]  ? zap_class+0x640/0x640
[  258.205743]  ? zap_class+0x640/0x640
[  258.209451]  ? print_usage_bug+0xc0/0xc0
[  258.213519]  ? do_raw_spin_unlock+0xa7/0x330
[  258.217916]  ? zap_class+0x640/0x640
[  258.221620]  ? print_usage_bug+0xc0/0xc0
[  258.225675]  ? wq_watchdog_touch+0x9c/0xfe
[  258.229909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.235444]  ? check_preemption_disabled+0x48/0x280
[  258.240549]  ? __lock_is_held+0xb5/0x140
[  258.244704]  __alloc_pages_nodemask+0xa80/0xde0
[  258.249360]  ? zap_class+0x640/0x640
[  258.253066]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  258.258077]  ? find_held_lock+0x36/0x1c0
[  258.262136]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.266794]  ? lock_downgrade+0x900/0x900
[  258.270938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.276465]  cache_grow_begin+0xa5/0x8c0
[  258.280533]  ? do_raw_spin_unlock+0xa7/0x330
[  258.284937]  fallback_alloc+0x204/0x2e0
[  258.288907]  ____cache_alloc_node+0x1c7/0x1e0
[  258.293393]  kmem_cache_alloc_node+0xe3/0x730
[  258.297886]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.302115]  __alloc_skb+0x119/0x770
[  258.305816]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.311084]  ? netdev_alloc_frag+0x1f0/0x1f0
[  258.315480]  ? lock_downgrade+0x900/0x900
[  258.319636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.325160]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.330629]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.336078]  ? addrconf_rs_timer+0x690/0x690
[  258.340483]  ndisc_alloc_skb+0x144/0x340
[  258.344536]  ndisc_send_rs+0x331/0x6e0
[  258.348418]  addrconf_rs_timer+0x314/0x690
[  258.352644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.356882]  call_timer_fn+0x272/0x920
[  258.360755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.364982]  ? process_timeout+0x40/0x40
[  258.369035]  ? __run_timers+0x7da/0xc70
[  258.372997]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.377476]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.381954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.386182]  ? lockdep_hardirqs_on+0x296/0x5b0
[  258.390753]  ? trace_hardirqs_on+0xbd/0x310
[  258.395068]  ? kasan_check_read+0x11/0x20
[  258.399200]  ? __run_timers+0x7da/0xc70
[  258.403164]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.408265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.412509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.416729]  __run_timers+0x7e5/0xc70
[  258.420523]  ? timer_fixup_init+0x70/0x70
[  258.424656]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.429134]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.433615]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  258.438183]  ? trace_hardirqs_on+0xbd/0x310
[  258.442498]  ? kasan_check_read+0x11/0x20
[  258.446633]  ? finish_task_switch+0x1f4/0x910
[  258.451114]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.456201]  ? compat_start_thread+0x80/0x80
[  258.460612]  ? pvclock_read_flags+0x160/0x160
[  258.465092]  ? __switch_to_asm+0x34/0x70
[  258.469147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.474670]  ? check_preemption_disabled+0x48/0x280
[  258.479679]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  258.485209]  ? rcu_pm_notify+0xc0/0xc0
[  258.489086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.494630]  ? check_preemption_disabled+0x48/0x280
[  258.499634]  run_timer_softirq+0x52/0xb0
[  258.503683]  ? rcu_read_lock_sched_held+0x14f/0x180
[  258.508696]  __do_softirq+0x308/0xb7e
[  258.512486]  ? trace_hardirqs_on_caller+0xc0/0x310
[  258.517411]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  258.522521]  ? trace_hardirqs_on+0x310/0x310
[  258.526922]  ? schedule+0x108/0x460
[  258.530545]  ? trace_hardirqs_off+0xb8/0x310
[  258.534943]  ? smpboot_thread_fn+0x68b/0xa00
[  258.539339]  ? trace_hardirqs_on+0x310/0x310
[  258.543734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.549256]  ? check_preemption_disabled+0x48/0x280
[  258.554258]  ? takeover_tasklets+0xa90/0xa90
[  258.558741]  run_ksoftirqd+0x5e/0x100
[  258.562638]  smpboot_thread_fn+0x68b/0xa00
[  258.566864]  ? sort_range+0x30/0x30
[  258.570482]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.575572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.581128]  ? __kthread_parkme+0xfb/0x1a0
[  258.585350]  ? sort_range+0x30/0x30
[  258.588963]  kthread+0x35a/0x440
[  258.592317]  ? kthread_stop+0x900/0x900
[  258.596279]  ret_from_fork+0x3a/0x50
[  258.600000] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  258.600055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.607254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.607260] Call Trace:
[  258.613792] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.623057]  <IRQ>
[  258.625617] ksoftirqd/1 cpuset=/ mems_allowed=0
[  258.635908]  dump_stack+0x244/0x39d
[  258.646295]  ? dump_stack_print_info.cold.1+0x20/0x20
[  258.651483]  warn_alloc.cold.116+0xb7/0x1bd
[  258.655794]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.660628]  ? lock_downgrade+0x900/0x900
[  258.664769]  ? trace_hardirqs_off+0xb8/0x310
[  258.669167]  ? trace_hardirqs_off+0xb8/0x310
[  258.673585]  __alloc_pages_slowpath+0x26e8/0x2e10
[  258.678438]  ? warn_alloc+0x120/0x120
[  258.682227]  ? print_usage_bug+0xc0/0xc0
[  258.686274]  ? warn_alloc+0x120/0x120
[  258.690063]  ? warn_alloc+0x120/0x120
[  258.693851]  ? print_usage_bug+0xc0/0xc0
[  258.697902]  ? kvm_clock_read+0x18/0x30
[  258.701865]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  258.706870]  ? print_usage_bug+0xc0/0xc0
[  258.710920]  ? __lock_acquire+0x62f/0x4c20
[  258.715146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.720668]  ? should_fail+0x22d/0xd01
[  258.724540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.729805]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.734895]  ? __lock_acquire+0x62f/0x4c20
[  258.739118]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.744206]  ? __lock_acquire+0x62f/0x4c20
[  258.748425]  ? should_fail+0x22d/0xd01
[  258.752301]  ? rcu_irq_exit+0x1a2/0x390
[  258.756371]  ? mark_held_locks+0x130/0x130
[  258.760603]  ? mark_held_locks+0x130/0x130
[  258.764828]  ? mark_held_locks+0xc7/0x130
[  258.768965]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  258.773967]  ? zap_class+0x640/0x640
[  258.777670]  ? print_usage_bug+0xc0/0xc0
[  258.781724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.787336]  ? check_preemption_disabled+0x48/0x280
[  258.792347]  ? __lock_is_held+0xb5/0x140
[  258.796406]  __alloc_pages_nodemask+0xa80/0xde0
[  258.801063]  ? zap_class+0x640/0x640
[  258.804770]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  258.809780]  ? find_held_lock+0x36/0x1c0
[  258.813833]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.818492]  ? lock_downgrade+0x900/0x900
[  258.822641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.828166]  cache_grow_begin+0xa5/0x8c0
[  258.832211]  ? do_raw_spin_unlock+0xa7/0x330
[  258.836614]  fallback_alloc+0x204/0x2e0
[  258.840580]  ____cache_alloc_node+0x1c7/0x1e0
[  258.845066]  kmem_cache_alloc_node+0xe3/0x730
[  258.849547]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.853875]  __alloc_skb+0x119/0x770
[  258.857576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.862842]  ? netdev_alloc_frag+0x1f0/0x1f0
[  258.867238]  ? lock_downgrade+0x900/0x900
[  258.871388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.876913]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.882358]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.887802]  ? addrconf_rs_timer+0x690/0x690
[  258.892208]  ndisc_alloc_skb+0x144/0x340
[  258.896260]  ndisc_send_rs+0x331/0x6e0
[  258.900139]  addrconf_rs_timer+0x314/0x690
[  258.904369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.908604]  call_timer_fn+0x272/0x920
[  258.912477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.916704]  ? process_timeout+0x40/0x40
[  258.920756]  ? __run_timers+0x7da/0xc70
[  258.924733]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.929213]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.933691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.937917]  ? lockdep_hardirqs_on+0x296/0x5b0
[  258.942486]  ? trace_hardirqs_on+0xbd/0x310
[  258.946792]  ? kasan_check_read+0x11/0x20
[  258.950927]  ? __run_timers+0x7da/0xc70
[  258.954890]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.960400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.964630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.968850]  __run_timers+0x7e5/0xc70
[  258.972646]  ? timer_fixup_init+0x70/0x70
[  258.976784]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.981789]  ? zap_class+0x640/0x640
[  258.985508]  ? enqueue_hrtimer+0x1a5/0x560
[  258.989732]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  258.994917]  ? find_held_lock+0x36/0x1c0
[  258.998971]  ? zap_class+0x640/0x640
[  259.002676]  ? pvclock_read_flags+0x160/0x160
[  259.007163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.012690]  ? check_preemption_disabled+0x48/0x280
[  259.017702]  ? __lock_is_held+0xb5/0x140
[  259.021751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.027376]  ? check_preemption_disabled+0x48/0x280
[  259.032394]  run_timer_softirq+0x52/0xb0
[  259.036449]  ? rcu_read_lock_sched_held+0x14f/0x180
[  259.041625]  __do_softirq+0x308/0xb7e
[  259.045427]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  259.049907]  ? lock_downgrade+0x900/0x900
[  259.054045]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  259.059138]  ? pvclock_read_flags+0x160/0x160
[  259.063621]  ? lapic_next_event+0x5a/0x90
[  259.067770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.073297]  ? kvm_clock_read+0x18/0x30
[  259.077271]  ? kvm_sched_clock_read+0x9/0x20
[  259.081665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.087200]  ? check_preemption_disabled+0x48/0x280
[  259.092209]  irq_exit+0x17f/0x1c0
[  259.095654]  smp_apic_timer_interrupt+0x1cb/0x760
[  259.100485]  ? smp_reschedule_interrupt+0x109/0x650
[  259.105487]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.111377]  ? interrupt_entry+0xb5/0xc0
[  259.115426]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.120430]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.125544]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.130528]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.135538]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.140540]  ? task_prio+0x50/0x50
[  259.144080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.149617]  ? check_preemption_disabled+0x48/0x280
[  259.154623]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.159459]  apic_timer_interrupt+0xf/0x20
[  259.163686]  </IRQ>
[  259.165914] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  259.170838] 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
[  259.189725] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  259.197423] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  259.204698] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  259.212061] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  259.219323] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  259.226589] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  259.233881]  skb_clone+0x1bb/0x500
[  259.237409]  ? finish_task_switch+0x2f4/0x910
[  259.241896]  ? skb_split+0x11e0/0x11e0
[  259.245769]  ? preempt_notifier_register+0x200/0x200
[  259.250854]  ? __switch_to_asm+0x34/0x70
[  259.254903]  ? __switch_to_asm+0x34/0x70
[  259.258950]  ? __switch_to_asm+0x40/0x70
[  259.262998]  ? __switch_to_asm+0x34/0x70
[  259.267043]  ? __switch_to_asm+0x40/0x70
[  259.271091]  ? __switch_to_asm+0x34/0x70
[  259.275138]  ? __switch_to_asm+0x40/0x70
[  259.279185]  ? __switch_to_asm+0x34/0x70
[  259.283235]  ? __switch_to_asm+0x34/0x70
[  259.287277]  ? __switch_to_asm+0x40/0x70
[  259.291350]  ? __switch_to_asm+0x34/0x70
[  259.295405]  bpf_clone_redirect+0xb9/0x490
[  259.299627]  ? __schedule+0x8d7/0x21d0
[  259.303504]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  259.308511]  ? __sched_text_start+0x8/0x8
[  259.312644]  ? retint_kernel+0x2d/0x2d
[  259.316526]  ? trace_hardirqs_on_caller+0xc0/0x310
[  259.321560]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  259.326306]  ? find_held_lock+0x36/0x1c0
[  259.330371]  ? lock_acquire+0x1ed/0x520
[  259.334337]  ? bpf_test_run+0x3cb/0x780
[  259.338304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.343832]  ? check_preemption_disabled+0x48/0x280
[  259.348839]  ? kasan_check_read+0x11/0x20
[  259.352975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.358239]  ? rcu_softirq_qs+0x20/0x20
[  259.362200]  ? preempt_schedule+0x4d/0x60
[  259.366363]  ? ___preempt_schedule+0x16/0x18
[  259.370772]  ? bpf_test_run+0x25d/0x780
[  259.374743]  ? netlink_diag_dump+0x2a0/0x2a0
[  259.379139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.384663]  ? bpf_test_init.isra.10+0x70/0x100
[  259.389331]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  259.394085]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  259.398914]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  259.404435]  ? fput+0x130/0x1a0
[  259.407701]  ? __bpf_prog_get+0x9b/0x290
[  259.411753]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  259.416584]  ? bpf_prog_test_run+0x130/0x1a0
[  259.420981]  ? __x64_sys_bpf+0x3d8/0x520
[  259.425029]  ? bpf_prog_get+0x20/0x20
[  259.428830]  ? do_syscall_64+0x1b9/0x820
[  259.432878]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  259.438258]  ? syscall_return_slowpath+0x5e0/0x5e0
[  259.443274]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.448193]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.453198]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  259.458206]  ? prepare_exit_to_usermode+0x291/0x3b0
[  259.463210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.468047]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  259.473412] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  259.473416] warn_alloc_show_mem: 1 callbacks suppressed
[  259.473421] Mem-Info:
[  259.480340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.485693] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  259.485693]  active_file:12 inactive_file:13 isolated_file:0
[  259.485693]  unevictable:0 dirty:0 writeback:0 unstable:0
[  259.485693]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  259.485693]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  259.485693]  free:13767 free_pcp:247 free_cma:0
[  259.488056] Call Trace:
[  259.497415] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  259.530430]  dump_stack+0x244/0x39d
[  259.532982] 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
[  259.560722]  ? dump_stack_print_info.cold.1+0x20/0x20
[  259.564322] lowmem_reserve[]: 0 2818 6321 6321
[  259.590427]  warn_alloc.cold.116+0xb7/0x1bd
[  259.595762] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  259.600334]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.604631] lowmem_reserve[]: 0 0 3503 3503
[  259.632460]  ? lock_downgrade+0x900/0x900
[  259.637267] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  259.641572]  ? trace_hardirqs_off+0xb8/0x310
[  259.645680] lowmem_reserve[]: 0 0 0 0
[  259.674658]  ? trace_hardirqs_off+0xb8/0x310
[  259.679028] 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
[  259.682812]  __alloc_pages_slowpath+0x26e8/0x2e10
[  259.687186] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  259.700740]  ? warn_alloc+0x120/0x120
[  259.705531] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  259.720688]  ? print_usage_bug+0xc0/0xc0
[  259.724462] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  259.739695]  ? warn_alloc+0x120/0x120
[  259.743745] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  259.752646]  ? warn_alloc+0x120/0x120
[  259.756415] 2041 total pagecache pages
[  259.764975]  ? print_usage_bug+0xc0/0xc0
[  259.768745] 0 pages in swap cache
[  259.772608]  ? print_usage_bug+0xc0/0xc0
[  259.776645] Swap cache stats: add 0, delete 0, find 0/0
[  259.776651] Free swap  = 0kB
[  259.780116]  ? __lock_acquire+0x62f/0x4c20
[  259.784141] Total swap = 0kB
[  259.784147] 1965979 pages RAM
[  259.789489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.792472] 0 pages HighMem/MovableOnly
[  259.792478] 342854 pages reserved
[  259.796699]  ? should_fail+0x22d/0xd01
[  259.799684] 0 pages cma reserved
[  259.799742] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.802778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.808340] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.812241]  ? __lock_acquire+0x62f/0x4c20
[  259.815659] syz-executor3 cpuset=syz3 mems_allowed=0
[  259.819527]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.859230]  ? __lock_acquire+0x62f/0x4c20
[  259.863454]  ? should_fail+0x22d/0xd01
[  259.867330]  ? find_held_lock+0x36/0x1c0
[  259.871386]  ? mark_held_locks+0x130/0x130
[  259.875615]  ? mark_held_locks+0x130/0x130
[  259.879837]  ? zap_class+0x640/0x640
[  259.883541]  ? mark_held_locks+0xc7/0x130
[  259.887673]  ? do_raw_spin_unlock+0xa7/0x330
[  259.892071]  ? zap_class+0x640/0x640
[  259.895807]  ? print_usage_bug+0xc0/0xc0
[  259.899859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.905386]  ? check_preemption_disabled+0x48/0x280
[  259.910399]  ? __lock_is_held+0xb5/0x140
[  259.914457]  __alloc_pages_nodemask+0xa80/0xde0
[  259.919112]  ? zap_class+0x640/0x640
[  259.922820]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  259.927831]  ? find_held_lock+0x36/0x1c0
[  259.931886]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.936541]  ? lock_downgrade+0x900/0x900
[  259.940680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.946208]  cache_grow_begin+0xa5/0x8c0
[  259.950352]  ? do_raw_spin_unlock+0xa7/0x330
[  259.954756]  fallback_alloc+0x204/0x2e0
[  259.958727]  ____cache_alloc_node+0x1c7/0x1e0
[  259.963444]  kmem_cache_alloc_node+0xe3/0x730
[  259.967930]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.972159]  __alloc_skb+0x119/0x770
[  259.975859]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.981126]  ? netdev_alloc_frag+0x1f0/0x1f0
[  259.985521]  ? lock_downgrade+0x900/0x900
[  259.989664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.995190]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.000629]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.006068]  ? addrconf_rs_timer+0x690/0x690
[  260.010471]  ndisc_alloc_skb+0x144/0x340
[  260.014538]  ndisc_send_rs+0x331/0x6e0
[  260.018417]  addrconf_rs_timer+0x314/0x690
[  260.022644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.026874]  call_timer_fn+0x272/0x920
[  260.030747]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.034970]  ? process_timeout+0x40/0x40
[  260.039034]  ? __run_timers+0x7da/0xc70
[  260.042997]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.047478]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.052059]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.056289]  ? lockdep_hardirqs_on+0x296/0x5b0
[  260.060860]  ? trace_hardirqs_on+0xbd/0x310
[  260.065166]  ? kasan_check_read+0x11/0x20
[  260.069300]  ? __run_timers+0x7da/0xc70
[  260.073260]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.078358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.082586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.086807]  __run_timers+0x7e5/0xc70
[  260.090601]  ? timer_fixup_init+0x70/0x70
[  260.094734]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.099214]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.103697]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  260.108276]  ? trace_hardirqs_on+0xbd/0x310
[  260.112584]  ? kasan_check_read+0x11/0x20
[  260.116720]  ? finish_task_switch+0x1f4/0x910
[  260.121205]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.126316]  ? compat_start_thread+0x80/0x80
[  260.130728]  ? pvclock_read_flags+0x160/0x160
[  260.135207]  ? __switch_to_asm+0x34/0x70
[  260.139263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.144794]  ? check_preemption_disabled+0x48/0x280
[  260.149811]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  260.155336]  ? rcu_pm_notify+0xc0/0xc0
[  260.159315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.164840]  ? check_preemption_disabled+0x48/0x280
[  260.169844]  run_timer_softirq+0x52/0xb0
[  260.173891]  ? rcu_read_lock_sched_held+0x14f/0x180
[  260.178897]  __do_softirq+0x308/0xb7e
[  260.182689]  ? trace_hardirqs_on_caller+0xc0/0x310
[  260.187608]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.192704]  ? trace_hardirqs_on+0x310/0x310
[  260.197209]  ? schedule+0x108/0x460
[  260.200830]  ? trace_hardirqs_off+0xb8/0x310
[  260.205228]  ? smpboot_thread_fn+0x68b/0xa00
[  260.209719]  ? trace_hardirqs_on+0x310/0x310
[  260.214120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.219643]  ? check_preemption_disabled+0x48/0x280
[  260.224647]  ? takeover_tasklets+0xa90/0xa90
[  260.229043]  run_ksoftirqd+0x5e/0x100
[  260.232830]  smpboot_thread_fn+0x68b/0xa00
[  260.237052]  ? sort_range+0x30/0x30
[  260.240667]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  260.245757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.251290]  ? __kthread_parkme+0xfb/0x1a0
[  260.255514]  ? sort_range+0x30/0x30
[  260.259255]  kthread+0x35a/0x440
[  260.262608]  ? kthread_stop+0x900/0x900
[  260.266570]  ret_from_fork+0x3a/0x50
[  260.270297] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  260.270365] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.277563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.277569] Call Trace:
[  260.284155] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.293380]  <IRQ>
[  260.295937] ksoftirqd/1 cpuset=/ mems_allowed=0
[  260.306230]  dump_stack+0x244/0x39d
[  260.316603]  ? dump_stack_print_info.cold.1+0x20/0x20
[  260.321788]  warn_alloc.cold.116+0xb7/0x1bd
[  260.326097]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.330931]  ? lock_downgrade+0x900/0x900
[  260.335085]  ? trace_hardirqs_off+0xb8/0x310
[  260.339489]  ? trace_hardirqs_off+0xb8/0x310
[  260.343888]  __alloc_pages_slowpath+0x26e8/0x2e10
[  260.348825]  ? warn_alloc+0x120/0x120
[  260.352619]  ? print_usage_bug+0xc0/0xc0
[  260.356669]  ? warn_alloc+0x120/0x120
[  260.360459]  ? warn_alloc+0x120/0x120
[  260.364261]  ? print_usage_bug+0xc0/0xc0
[  260.368331]  ? print_usage_bug+0xc0/0xc0
[  260.372380]  ? __lock_acquire+0x62f/0x4c20
[  260.376604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.382131]  ? should_fail+0x22d/0xd01
[  260.386011]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.391103]  ? __lock_acquire+0x62f/0x4c20
[  260.395354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.400448]  ? __lock_acquire+0x62f/0x4c20
[  260.404667]  ? should_fail+0x22d/0xd01
[  260.408541]  ? find_held_lock+0x36/0x1c0
[  260.412613]  ? mark_held_locks+0x130/0x130
[  260.416838]  ? mark_held_locks+0x130/0x130
[  260.421057]  ? zap_class+0x640/0x640
[  260.424756]  ? zap_class+0x640/0x640
[  260.428458]  ? print_usage_bug+0xc0/0xc0
[  260.432504]  ? do_raw_spin_unlock+0xa7/0x330
[  260.436898]  ? zap_class+0x640/0x640
[  260.440621]  ? print_usage_bug+0xc0/0xc0
[  260.444671]  ? wq_watchdog_touch+0x9c/0xfe
[  260.448899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.454433]  ? check_preemption_disabled+0x48/0x280
[  260.459442]  ? __lock_is_held+0xb5/0x140
[  260.463498]  __alloc_pages_nodemask+0xa80/0xde0
[  260.468152]  ? zap_class+0x640/0x640
[  260.471854]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  260.476869]  ? find_held_lock+0x36/0x1c0
[  260.480922]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.485580]  ? lock_downgrade+0x900/0x900
[  260.489723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.495275]  cache_grow_begin+0xa5/0x8c0
[  260.499326]  ? do_raw_spin_unlock+0xa7/0x330
[  260.503729]  fallback_alloc+0x204/0x2e0
[  260.507695]  ____cache_alloc_node+0x1c7/0x1e0
[  260.512182]  kmem_cache_alloc_node+0xe3/0x730
[  260.516666]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.520895]  __alloc_skb+0x119/0x770
[  260.524594]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.529859]  ? netdev_alloc_frag+0x1f0/0x1f0
[  260.534262]  ? lock_downgrade+0x900/0x900
[  260.538406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.543929]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.549367]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.554807]  ? addrconf_rs_timer+0x690/0x690
[  260.559214]  ndisc_alloc_skb+0x144/0x340
[  260.563276]  ndisc_send_rs+0x331/0x6e0
[  260.567152]  addrconf_rs_timer+0x314/0x690
[  260.571386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.575619]  call_timer_fn+0x272/0x920
[  260.579490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.583711]  ? process_timeout+0x40/0x40
[  260.587771]  ? __run_timers+0x7da/0xc70
[  260.591732]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.596211]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.600699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.604919]  ? lockdep_hardirqs_on+0x296/0x5b0
[  260.609486]  ? trace_hardirqs_on+0xbd/0x310
[  260.613792]  ? kasan_check_read+0x11/0x20
[  260.617923]  ? __run_timers+0x7da/0xc70
[  260.621884]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.626977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.631201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.635427]  __run_timers+0x7e5/0xc70
[  260.639226]  ? timer_fixup_init+0x70/0x70
[  260.643485]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.648490]  ? zap_class+0x640/0x640
[  260.652315]  ? enqueue_hrtimer+0x1a5/0x560
[  260.656538]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.661718]  ? find_held_lock+0x36/0x1c0
[  260.665769]  ? zap_class+0x640/0x640
[  260.669470]  ? pvclock_read_flags+0x160/0x160
[  260.673953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.679479]  ? check_preemption_disabled+0x48/0x280
[  260.684488]  ? __lock_is_held+0xb5/0x140
[  260.688538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.694061]  ? check_preemption_disabled+0x48/0x280
[  260.699066]  run_timer_softirq+0x52/0xb0
[  260.703129]  ? rcu_read_lock_sched_held+0x14f/0x180
[  260.708135]  __do_softirq+0x308/0xb7e
[  260.711926]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  260.716407]  ? lock_downgrade+0x900/0x900
[  260.720671]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.725765]  ? pvclock_read_flags+0x160/0x160
[  260.730253]  ? lapic_next_event+0x5a/0x90
[  260.734388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.739916]  ? kvm_clock_read+0x18/0x30
[  260.743879]  ? kvm_sched_clock_read+0x9/0x20
[  260.748284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.753810]  ? check_preemption_disabled+0x48/0x280
[  260.758818]  irq_exit+0x17f/0x1c0
[  260.762261]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.767091]  ? smp_reschedule_interrupt+0x109/0x650
[  260.772093]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.778048]  ? interrupt_entry+0xb5/0xc0
[  260.782099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.787099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.792103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.796933]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.801937]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.806936]  ? task_prio+0x50/0x50
[  260.810468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.815992]  ? check_preemption_disabled+0x48/0x280
[  260.820996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.825953]  apic_timer_interrupt+0xf/0x20
[  260.830168]  </IRQ>
[  260.832396] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  260.837321] 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
[  260.856211] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  260.863912] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  260.871165] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  260.878419] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  260.885677] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  260.892943] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  260.900241]  skb_clone+0x1bb/0x500
[  260.903775]  ? finish_task_switch+0x2f4/0x910
[  260.908260]  ? skb_split+0x11e0/0x11e0
[  260.912141]  ? preempt_notifier_register+0x200/0x200
[  260.917235]  ? __switch_to_asm+0x34/0x70
[  260.921285]  ? __switch_to_asm+0x34/0x70
[  260.925333]  ? __switch_to_asm+0x40/0x70
[  260.929381]  ? __switch_to_asm+0x34/0x70
[  260.933430]  ? __switch_to_asm+0x40/0x70
[  260.937481]  ? __switch_to_asm+0x34/0x70
[  260.941529]  ? __switch_to_asm+0x40/0x70
[  260.945577]  ? __switch_to_asm+0x34/0x70
[  260.949629]  ? __switch_to_asm+0x34/0x70
[  260.953692]  ? __switch_to_asm+0x40/0x70
[  260.957755]  ? __switch_to_asm+0x34/0x70
[  260.961807]  bpf_clone_redirect+0xb9/0x490
[  260.966048]  ? __schedule+0x8d7/0x21d0
[  260.969929]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  260.974935]  ? __sched_text_start+0x8/0x8
[  260.979073]  ? retint_kernel+0x2d/0x2d
[  260.982965]  ? trace_hardirqs_on_caller+0xc0/0x310
[  260.987977]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.992721]  ? find_held_lock+0x36/0x1c0
[  260.996775]  ? lock_acquire+0x1ed/0x520
[  261.000741]  ? bpf_test_run+0x3cb/0x780
[  261.004717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.010240]  ? check_preemption_disabled+0x48/0x280
[  261.015250]  ? kasan_check_read+0x11/0x20
[  261.019385]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.024648]  ? rcu_softirq_qs+0x20/0x20
[  261.028612]  ? preempt_schedule+0x4d/0x60
[  261.032747]  ? ___preempt_schedule+0x16/0x18
[  261.037146]  ? bpf_test_run+0x25d/0x780
[  261.041114]  ? netlink_diag_dump+0x2a0/0x2a0
[  261.045598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.051230]  ? bpf_test_init.isra.10+0x70/0x100
[  261.055891]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  261.060650]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  261.065477]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  261.071000]  ? fput+0x130/0x1a0
[  261.074266]  ? __bpf_prog_get+0x9b/0x290
[  261.078318]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  261.083144]  ? bpf_prog_test_run+0x130/0x1a0
[  261.087544]  ? __x64_sys_bpf+0x3d8/0x520
[  261.091600]  ? bpf_prog_get+0x20/0x20
[  261.095402]  ? do_syscall_64+0x1b9/0x820
[  261.099449]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  261.104803]  ? syscall_return_slowpath+0x5e0/0x5e0
[  261.109720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.114552]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.119558]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  261.124664]  ? prepare_exit_to_usermode+0x291/0x3b0
[  261.129937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.134777]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  261.140139] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  261.140143] warn_alloc_show_mem: 1 callbacks suppressed
[  261.140148] Mem-Info:
[  261.147055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.152408] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  261.152408]  active_file:12 inactive_file:13 isolated_file:0
[  261.152408]  unevictable:0 dirty:0 writeback:0 unstable:0
[  261.152408]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  261.152408]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  261.152408]  free:13767 free_pcp:247 free_cma:0
[  261.154775] Call Trace:
[  261.164225] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  261.197246]  dump_stack+0x244/0x39d
[  261.199796] 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
[  261.227449]  ? dump_stack_print_info.cold.1+0x20/0x20
[  261.231037] lowmem_reserve[]: 0 2818 6321 6321
[  261.257138]  warn_alloc.cold.116+0xb7/0x1bd
[  261.262287] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  261.266849]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.271132] lowmem_reserve[]: 0 0 3503 3503
[  261.298964]  ? lock_downgrade+0x900/0x900
[  261.303785] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  261.308104]  ? trace_hardirqs_off+0xb8/0x310
[  261.312214] lowmem_reserve[]: 0 0 0 0
[  261.341188]  ? trace_hardirqs_off+0xb8/0x310
[  261.345583] 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
[  261.349369]  __alloc_pages_slowpath+0x26e8/0x2e10
[  261.353739] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  261.367264]  ? warn_alloc+0x120/0x120
[  261.372050] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  261.387207]  ? print_usage_bug+0xc0/0xc0
[  261.390980] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  261.406331]  ? warn_alloc+0x120/0x120
[  261.410379] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  261.419190]  ? warn_alloc+0x120/0x120
[  261.423041] 2041 total pagecache pages
[  261.431595]  ? print_usage_bug+0xc0/0xc0
[  261.435366] 0 pages in swap cache
[  261.439341]  ? print_usage_bug+0xc0/0xc0
[  261.443370] Swap cache stats: add 0, delete 0, find 0/0
[  261.443376] Free swap  = 0kB
[  261.446810]  ? print_usage_bug+0xc0/0xc0
[  261.450832] Total swap = 0kB
[  261.450856] 1965979 pages RAM
[  261.456297]  ? __lock_acquire+0x62f/0x4c20
[  261.459279] 0 pages HighMem/MovableOnly
[  261.459285] 342854 pages reserved
[  261.463328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.466307] 0 pages cma reserved
[  261.466366] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  261.469396]  ? should_fail+0x22d/0xd01
[  261.469408]  ? __lock_acquire+0x62f/0x4c20
[  261.469424]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.473668] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.477579]  ? __lock_acquire+0x62f/0x4c20
[  261.481000] syz-executor3 cpuset=syz3 mems_allowed=0
[  261.486519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.534288]  ? __lock_acquire+0x62f/0x4c20
[  261.538509]  ? should_fail+0x22d/0xd01
[  261.542393]  ? mark_held_locks+0x130/0x130
[  261.546620]  ? mark_held_locks+0x130/0x130
[  261.550838]  ? zap_class+0x640/0x640
[  261.554540]  ? mark_held_locks+0xc7/0x130
[  261.558674]  ? do_raw_spin_unlock+0xa7/0x330
[  261.563066]  ? zap_class+0x640/0x640
[  261.566764]  ? print_usage_bug+0xc0/0xc0
[  261.570815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.576342]  ? check_preemption_disabled+0x48/0x280
[  261.581351]  ? __lock_is_held+0xb5/0x140
[  261.585404]  __alloc_pages_nodemask+0xa80/0xde0
[  261.590059]  ? zap_class+0x640/0x640
[  261.593761]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  261.598770]  ? find_held_lock+0x36/0x1c0
[  261.602824]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.607478]  ? lock_downgrade+0x900/0x900
[  261.611618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.617149]  cache_grow_begin+0xa5/0x8c0
[  261.621196]  ? do_raw_spin_unlock+0xa7/0x330
[  261.625598]  fallback_alloc+0x204/0x2e0
[  261.629563]  ____cache_alloc_node+0x1c7/0x1e0
[  261.634048]  kmem_cache_alloc_node+0xe3/0x730
[  261.638530]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.642757]  __alloc_skb+0x119/0x770
[  261.646458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.651725]  ? netdev_alloc_frag+0x1f0/0x1f0
[  261.656117]  ? lock_downgrade+0x900/0x900
[  261.660268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.665791]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.671229]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.676668]  ? addrconf_rs_timer+0x690/0x690
[  261.681070]  ndisc_alloc_skb+0x144/0x340
[  261.685124]  ndisc_send_rs+0x331/0x6e0
[  261.689010]  addrconf_rs_timer+0x314/0x690
[  261.693234]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.697465]  call_timer_fn+0x272/0x920
[  261.701338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.705560]  ? process_timeout+0x40/0x40
[  261.709613]  ? __run_timers+0x7da/0xc70
[  261.713573]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.718056]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.722537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.726759]  ? lockdep_hardirqs_on+0x296/0x5b0
[  261.731331]  ? trace_hardirqs_on+0xbd/0x310
[  261.735638]  ? kasan_check_read+0x11/0x20
[  261.739774]  ? __run_timers+0x7da/0xc70
[  261.743734]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.748842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.753061]  __run_timers+0x7e5/0xc70
[  261.756854]  ? timer_fixup_init+0x70/0x70
[  261.760986]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.765465]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.769953]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  261.774522]  ? trace_hardirqs_on+0xbd/0x310
[  261.778914]  ? kasan_check_read+0x11/0x20
[  261.783049]  ? finish_task_switch+0x1f4/0x910
[  261.787533]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.792623]  ? compat_start_thread+0x80/0x80
[  261.797034]  ? pvclock_read_flags+0x160/0x160
[  261.801514]  ? __switch_to_asm+0x34/0x70
[  261.805562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.811085]  ? check_preemption_disabled+0x48/0x280
[  261.816103]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  261.821638]  ? rcu_pm_notify+0xc0/0xc0
[  261.825511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.831038]  ? check_preemption_disabled+0x48/0x280
[  261.836043]  run_timer_softirq+0x52/0xb0
[  261.840090]  ? rcu_read_lock_sched_held+0x14f/0x180
[  261.845095]  __do_softirq+0x308/0xb7e
[  261.848892]  ? trace_hardirqs_on_caller+0xc0/0x310
[  261.853812]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  261.858920]  ? trace_hardirqs_on+0x310/0x310
[  261.863318]  ? schedule+0x108/0x460
[  261.866942]  ? trace_hardirqs_off+0xb8/0x310
[  261.871366]  ? smpboot_thread_fn+0x68b/0xa00
[  261.875763]  ? trace_hardirqs_on+0x310/0x310
[  261.880159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.885685]  ? check_preemption_disabled+0x48/0x280
[  261.890690]  ? takeover_tasklets+0xa90/0xa90
[  261.895085]  run_ksoftirqd+0x5e/0x100
[  261.898880]  smpboot_thread_fn+0x68b/0xa00
[  261.903126]  ? sort_range+0x30/0x30
[  261.906739]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.911833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.917357]  ? __kthread_parkme+0xfb/0x1a0
[  261.921596]  ? sort_range+0x30/0x30
[  261.925209]  kthread+0x35a/0x440
[  261.928563]  ? kthread_stop+0x900/0x900
[  261.932528]  ret_from_fork+0x3a/0x50
[  261.936248] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  261.936301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  261.943505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.943510] Call Trace:
[  261.943515]  <IRQ>
[  261.943528]  dump_stack+0x244/0x39d
[  261.943545]  ? dump_stack_print_info.cold.1+0x20/0x20
[  261.950065] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.959368]  warn_alloc.cold.116+0xb7/0x1bd
[  261.962250] ksoftirqd/1 cpuset=/ mems_allowed=0
[  261.964412]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.997222]  ? lock_downgrade+0x900/0x900
[  262.001364]  ? trace_hardirqs_off+0xb8/0x310
[  262.005764]  ? trace_hardirqs_off+0xb8/0x310
[  262.010172]  __alloc_pages_slowpath+0x26e8/0x2e10
[  262.015026]  ? warn_alloc+0x120/0x120
[  262.018816]  ? print_usage_bug+0xc0/0xc0
[  262.022868]  ? warn_alloc+0x120/0x120
[  262.026657]  ? warn_alloc+0x120/0x120
[  262.030447]  ? print_usage_bug+0xc0/0xc0
[  262.034528]  ? print_usage_bug+0xc0/0xc0
[  262.038578]  ? __lock_acquire+0x62f/0x4c20
[  262.042804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.048326]  ? should_fail+0x22d/0xd01
[  262.052206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.057296]  ? __lock_acquire+0x62f/0x4c20
[  262.061522]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.066609]  ? __lock_acquire+0x62f/0x4c20
[  262.070832]  ? should_fail+0x22d/0xd01
[  262.074703]  ? find_held_lock+0x36/0x1c0
[  262.078856]  ? mark_held_locks+0x130/0x130
[  262.083082]  ? mark_held_locks+0x130/0x130
[  262.087969]  ? zap_class+0x640/0x640
[  262.091669]  ? zap_class+0x640/0x640
[  262.095370]  ? print_usage_bug+0xc0/0xc0
[  262.099419]  ? do_raw_spin_unlock+0xa7/0x330
[  262.103817]  ? zap_class+0x640/0x640
[  262.107517]  ? print_usage_bug+0xc0/0xc0
[  262.111566]  ? wq_watchdog_touch+0x9c/0xfe
[  262.115790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.121314]  ? check_preemption_disabled+0x48/0x280
[  262.126338]  ? __lock_is_held+0xb5/0x140
[  262.130390]  __alloc_pages_nodemask+0xa80/0xde0
[  262.135044]  ? zap_class+0x640/0x640
[  262.138748]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  262.143759]  ? find_held_lock+0x36/0x1c0
[  262.147816]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.152475]  ? lock_downgrade+0x900/0x900
[  262.156613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.162141]  cache_grow_begin+0xa5/0x8c0
[  262.166187]  ? do_raw_spin_unlock+0xa7/0x330
[  262.170591]  fallback_alloc+0x204/0x2e0
[  262.174557]  ____cache_alloc_node+0x1c7/0x1e0
[  262.179043]  kmem_cache_alloc_node+0xe3/0x730
[  262.183540]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.187767]  __alloc_skb+0x119/0x770
[  262.191467]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.196733]  ? netdev_alloc_frag+0x1f0/0x1f0
[  262.201139]  ? lock_downgrade+0x900/0x900
[  262.205292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.210814]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.216253]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.221689]  ? addrconf_rs_timer+0x690/0x690
[  262.226098]  ndisc_alloc_skb+0x144/0x340
[  262.230153]  ndisc_send_rs+0x331/0x6e0
[  262.234030]  addrconf_rs_timer+0x314/0x690
[  262.238257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.242502]  call_timer_fn+0x272/0x920
[  262.246375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.250595]  ? process_timeout+0x40/0x40
[  262.254736]  ? __run_timers+0x7da/0xc70
[  262.258706]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.263187]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.267668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.271889]  ? lockdep_hardirqs_on+0x296/0x5b0
[  262.276462]  ? trace_hardirqs_on+0xbd/0x310
[  262.280774]  ? kasan_check_read+0x11/0x20
[  262.284909]  ? __run_timers+0x7da/0xc70
[  262.288870]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.293960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.298189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.302410]  __run_timers+0x7e5/0xc70
[  262.306205]  ? timer_fixup_init+0x70/0x70
[  262.310345]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.315347]  ? zap_class+0x640/0x640
[  262.319052]  ? enqueue_hrtimer+0x1a5/0x560
[  262.323281]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  262.328463]  ? find_held_lock+0x36/0x1c0
[  262.332514]  ? zap_class+0x640/0x640
[  262.336217]  ? pvclock_read_flags+0x160/0x160
[  262.340699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.346224]  ? check_preemption_disabled+0x48/0x280
[  262.351319]  ? __lock_is_held+0xb5/0x140
[  262.355376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.360901]  ? check_preemption_disabled+0x48/0x280
[  262.365907]  run_timer_softirq+0x52/0xb0
[  262.369953]  ? rcu_read_lock_sched_held+0x14f/0x180
[  262.375041]  __do_softirq+0x308/0xb7e
[  262.378830]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  262.383329]  ? lock_downgrade+0x900/0x900
[  262.387467]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  262.392560]  ? pvclock_read_flags+0x160/0x160
[  262.397042]  ? lapic_next_event+0x5a/0x90
[  262.401181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.406713]  ? kvm_clock_read+0x18/0x30
[  262.410675]  ? kvm_sched_clock_read+0x9/0x20
[  262.415077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.420607]  ? check_preemption_disabled+0x48/0x280
[  262.425616]  irq_exit+0x17f/0x1c0
[  262.429055]  smp_apic_timer_interrupt+0x1cb/0x760
[  262.433887]  ? smp_reschedule_interrupt+0x109/0x650
[  262.438888]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.444756]  ? interrupt_entry+0xb5/0xc0
[  262.448806]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.453810]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.458813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.463642]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.468649]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.473664]  ? task_prio+0x50/0x50
[  262.477190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.482717]  ? check_preemption_disabled+0x48/0x280
[  262.487727]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.492595]  apic_timer_interrupt+0xf/0x20
[  262.496817]  </IRQ>
[  262.499042] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  262.503960] 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
[  262.522846] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  262.530538] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  262.537790] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  262.545045] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  262.552308] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  262.559562] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  262.566846]  skb_clone+0x1bb/0x500
[  262.570371]  ? finish_task_switch+0x2f4/0x910
[  262.574942]  ? skb_split+0x11e0/0x11e0
[  262.578818]  ? preempt_notifier_register+0x200/0x200
[  262.584007]  ? __switch_to_asm+0x34/0x70
[  262.588065]  ? __switch_to_asm+0x34/0x70
[  262.592118]  ? __switch_to_asm+0x40/0x70
[  262.596163]  ? __switch_to_asm+0x34/0x70
[  262.600218]  ? __switch_to_asm+0x40/0x70
[  262.604263]  ? __switch_to_asm+0x34/0x70
[  262.608311]  ? __switch_to_asm+0x40/0x70
[  262.612355]  ? __switch_to_asm+0x34/0x70
[  262.616400]  ? __switch_to_asm+0x34/0x70
[  262.620443]  ? __switch_to_asm+0x40/0x70
[  262.624487]  ? __switch_to_asm+0x34/0x70
[  262.628537]  bpf_clone_redirect+0xb9/0x490
[  262.632757]  ? __schedule+0x8d7/0x21d0
[  262.636635]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  262.641756]  ? __sched_text_start+0x8/0x8
[  262.645892]  ? retint_kernel+0x2d/0x2d
[  262.649764]  ? trace_hardirqs_on_caller+0xc0/0x310
[  262.654678]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  262.659423]  ? find_held_lock+0x36/0x1c0
[  262.663478]  ? lock_acquire+0x1ed/0x520
[  262.667440]  ? bpf_test_run+0x3cb/0x780
[  262.671403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.676933]  ? check_preemption_disabled+0x48/0x280
[  262.681940]  ? kasan_check_read+0x11/0x20
[  262.686080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.691351]  ? rcu_softirq_qs+0x20/0x20
[  262.695318]  ? preempt_schedule+0x4d/0x60
[  262.699455]  ? ___preempt_schedule+0x16/0x18
[  262.703857]  ? bpf_test_run+0x25d/0x780
[  262.707824]  ? netlink_diag_dump+0x2a0/0x2a0
[  262.712220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.717742]  ? bpf_test_init.isra.10+0x70/0x100
[  262.722408]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  262.727156]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  262.731991]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  262.737521]  ? fput+0x130/0x1a0
[  262.740791]  ? __bpf_prog_get+0x9b/0x290
[  262.744843]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  262.749670]  ? bpf_prog_test_run+0x130/0x1a0
[  262.754078]  ? __x64_sys_bpf+0x3d8/0x520
[  262.758155]  ? bpf_prog_get+0x20/0x20
[  262.761955]  ? do_syscall_64+0x1b9/0x820
[  262.766007]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  262.771372]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.776298]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.781130]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.786171]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  262.791266]  ? prepare_exit_to_usermode+0x291/0x3b0
[  262.796280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.801132]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  262.806494] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  262.806498] warn_alloc_show_mem: 1 callbacks suppressed
[  262.806503] Mem-Info:
[  262.813409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.818759] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  262.818759]  active_file:12 inactive_file:13 isolated_file:0
[  262.818759]  unevictable:0 dirty:0 writeback:0 unstable:0
[  262.818759]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  262.818759]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  262.818759]  free:13767 free_pcp:247 free_cma:0
[  262.821128] Call Trace:
[  262.830490] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  262.863592]  dump_stack+0x244/0x39d
[  262.866156] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  262.893809]  ? dump_stack_print_info.cold.1+0x20/0x20
[  262.897396] lowmem_reserve[]: 0 2818 6321 6321
[  262.923608]  warn_alloc.cold.116+0xb7/0x1bd
[  262.928767] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  262.933331]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.937617] lowmem_reserve[]: 0 0 3503 3503
[  262.965446]  ? lock_downgrade+0x900/0x900
[  262.970273] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  262.974589]  ? trace_hardirqs_off+0xb8/0x310
[  262.978693] lowmem_reserve[]: 0 0 0 0
[  263.007653]  ? trace_hardirqs_off+0xb8/0x310
[  263.012028] 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
[  263.015816]  __alloc_pages_slowpath+0x26e8/0x2e10
[  263.020186] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  263.033800]  ? warn_alloc+0x120/0x120
[  263.038596] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  263.053755]  ? print_usage_bug+0xc0/0xc0
[  263.057526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  263.072860]  ? warn_alloc+0x120/0x120
[  263.076885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  263.076892] 2041 total pagecache pages
[  263.085705]  ? warn_alloc+0x120/0x120
[  263.089474] 0 pages in swap cache
[  263.098029]  ? print_usage_bug+0xc0/0xc0
[  263.101886] Swap cache stats: add 0, delete 0, find 0/0
[  263.101893] Free swap  = 0kB
[  263.105670]  ? print_usage_bug+0xc0/0xc0
[  263.109097] Total swap = 0kB
[  263.109103] 1965979 pages RAM
[  263.113152]  ? __lock_acquire+0x62f/0x4c20
[  263.118482] 0 pages HighMem/MovableOnly
[  263.118488] 342854 pages reserved
[  263.121490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.125512] 0 pages cma reserved
[  263.125572] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.128982]  ? should_fail+0x22d/0xd01
[  263.128997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.129014]  ? __lock_acquire+0x62f/0x4c20
[  263.129029]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.132155] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.136325]  ? __lock_acquire+0x62f/0x4c20
[  263.140266] syz-executor3 cpuset=syz3 mems_allowed=0
[  263.143695]  ? should_fail+0x22d/0xd01
[  263.143707]  ? find_held_lock+0x36/0x1c0
[  263.204910]  ? mark_held_locks+0x130/0x130
[  263.209136]  ? mark_held_locks+0x130/0x130
[  263.213354]  ? zap_class+0x640/0x640
[  263.217059]  ? mark_held_locks+0xc7/0x130
[  263.221191]  ? do_raw_spin_unlock+0xa7/0x330
[  263.225588]  ? zap_class+0x640/0x640
[  263.229287]  ? print_usage_bug+0xc0/0xc0
[  263.233338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.238860]  ? check_preemption_disabled+0x48/0x280
[  263.243870]  ? __lock_is_held+0xb5/0x140
[  263.247920]  __alloc_pages_nodemask+0xa80/0xde0
[  263.252577]  ? zap_class+0x640/0x640
[  263.256282]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  263.261295]  ? find_held_lock+0x36/0x1c0
[  263.265354]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.270015]  ? lock_downgrade+0x900/0x900
[  263.274154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.279686]  cache_grow_begin+0xa5/0x8c0
[  263.283732]  ? do_raw_spin_unlock+0xa7/0x330
[  263.288312]  fallback_alloc+0x204/0x2e0
[  263.292278]  ____cache_alloc_node+0x1c7/0x1e0
[  263.296762]  kmem_cache_alloc_node+0xe3/0x730
[  263.301245]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.305472]  __alloc_skb+0x119/0x770
[  263.309176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.314439]  ? netdev_alloc_frag+0x1f0/0x1f0
[  263.318834]  ? lock_downgrade+0x900/0x900
[  263.322972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.328499]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.333939]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.339377]  ? addrconf_rs_timer+0x690/0x690
[  263.343778]  ndisc_alloc_skb+0x144/0x340
[  263.347826]  ndisc_send_rs+0x331/0x6e0
[  263.351704]  addrconf_rs_timer+0x314/0x690
[  263.355933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.360162]  call_timer_fn+0x272/0x920
[  263.364036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.368260]  ? process_timeout+0x40/0x40
[  263.372317]  ? __run_timers+0x7da/0xc70
[  263.376280]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.380758]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.385236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.389457]  ? lockdep_hardirqs_on+0x296/0x5b0
[  263.394029]  ? trace_hardirqs_on+0xbd/0x310
[  263.398334]  ? kasan_check_read+0x11/0x20
[  263.402469]  ? __run_timers+0x7da/0xc70
[  263.406434]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.411530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.415756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.419982]  __run_timers+0x7e5/0xc70
[  263.423869]  ? timer_fixup_init+0x70/0x70
[  263.428008]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.432488]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.436972]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  263.441652]  ? trace_hardirqs_on+0xbd/0x310
[  263.445957]  ? kasan_check_read+0x11/0x20
[  263.450096]  ? finish_task_switch+0x1f4/0x910
[  263.454578]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.459670]  ? compat_start_thread+0x80/0x80
[  263.464083]  ? pvclock_read_flags+0x160/0x160
[  263.468560]  ? __switch_to_asm+0x34/0x70
[  263.472607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.478134]  ? check_preemption_disabled+0x48/0x280
[  263.483147]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  263.488674]  ? rcu_pm_notify+0xc0/0xc0
[  263.492550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.498078]  ? check_preemption_disabled+0x48/0x280
[  263.503084]  run_timer_softirq+0x52/0xb0
[  263.507134]  ? rcu_read_lock_sched_held+0x14f/0x180
[  263.512143]  __do_softirq+0x308/0xb7e
[  263.515933]  ? trace_hardirqs_on_caller+0xc0/0x310
[  263.520873]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  263.525961]  ? trace_hardirqs_on+0x310/0x310
[  263.530366]  ? schedule+0x108/0x460
[  263.534005]  ? trace_hardirqs_off+0xb8/0x310
[  263.538403]  ? smpboot_thread_fn+0x68b/0xa00
[  263.542795]  ? trace_hardirqs_on+0x310/0x310
[  263.547195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.552717]  ? check_preemption_disabled+0x48/0x280
[  263.557719]  ? takeover_tasklets+0xa90/0xa90
[  263.562116]  run_ksoftirqd+0x5e/0x100
[  263.565900]  smpboot_thread_fn+0x68b/0xa00
[  263.570126]  ? sort_range+0x30/0x30
[  263.573742]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.578829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.584350]  ? __kthread_parkme+0xfb/0x1a0
[  263.588575]  ? sort_range+0x30/0x30
[  263.592190]  kthread+0x35a/0x440
[  263.595550]  ? kthread_stop+0x900/0x900
[  263.599517]  ret_from_fork+0x3a/0x50
[  263.603333] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  263.603387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.610706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.610711] Call Trace:
[  263.610716]  <IRQ>
[  263.610728]  dump_stack+0x244/0x39d
[  263.610744]  ? dump_stack_print_info.cold.1+0x20/0x20
[  263.617442] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.626839]  warn_alloc.cold.116+0xb7/0x1bd
[  263.629385] ksoftirqd/1 cpuset=/ mems_allowed=0
[  263.631516]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.664314]  ? lock_downgrade+0x900/0x900
[  263.668453]  ? trace_hardirqs_off+0xb8/0x310
[  263.672852]  ? trace_hardirqs_off+0xb8/0x310
[  263.677255]  __alloc_pages_slowpath+0x26e8/0x2e10
[  263.682107]  ? warn_alloc+0x120/0x120
[  263.685898]  ? print_usage_bug+0xc0/0xc0
[  263.689947]  ? warn_alloc+0x120/0x120
[  263.693830]  ? warn_alloc+0x120/0x120
[  263.697621]  ? print_usage_bug+0xc0/0xc0
[  263.701671]  ? print_usage_bug+0xc0/0xc0
[  263.705718]  ? __lock_acquire+0x62f/0x4c20
[  263.709942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.715473]  ? should_fail+0x22d/0xd01
[  263.719352]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.724442]  ? __lock_acquire+0x62f/0x4c20
[  263.728667]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.733759]  ? __lock_acquire+0x62f/0x4c20
[  263.737984]  ? should_fail+0x22d/0xd01
[  263.741857]  ? find_held_lock+0x36/0x1c0
[  263.745912]  ? mark_held_locks+0x130/0x130
[  263.750222]  ? mark_held_locks+0x130/0x130
[  263.754439]  ? zap_class+0x640/0x640
[  263.758143]  ? zap_class+0x640/0x640
[  263.761845]  ? print_usage_bug+0xc0/0xc0
[  263.766011]  ? do_raw_spin_unlock+0xa7/0x330
[  263.770408]  ? zap_class+0x640/0x640
[  263.774112]  ? print_usage_bug+0xc0/0xc0
[  263.778178]  ? wq_watchdog_touch+0x9c/0xfe
[  263.782402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.787925]  ? check_preemption_disabled+0x48/0x280
[  263.792937]  ? __lock_is_held+0xb5/0x140
[  263.797018]  __alloc_pages_nodemask+0xa80/0xde0
[  263.801672]  ? zap_class+0x640/0x640
[  263.805376]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  263.810388]  ? find_held_lock+0x36/0x1c0
[  263.814447]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.819105]  ? lock_downgrade+0x900/0x900
[  263.823248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.828777]  cache_grow_begin+0xa5/0x8c0
[  263.832822]  ? do_raw_spin_unlock+0xa7/0x330
[  263.837221]  fallback_alloc+0x204/0x2e0
[  263.841187]  ____cache_alloc_node+0x1c7/0x1e0
[  263.845671]  kmem_cache_alloc_node+0xe3/0x730
[  263.850158]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.854396]  __alloc_skb+0x119/0x770
[  263.858096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.863361]  ? netdev_alloc_frag+0x1f0/0x1f0
[  263.867754]  ? lock_downgrade+0x900/0x900
[  263.871896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.877421]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.882865]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.888299]  ? addrconf_rs_timer+0x690/0x690
[  263.892701]  ndisc_alloc_skb+0x144/0x340
[  263.896767]  ndisc_send_rs+0x331/0x6e0
[  263.900646]  addrconf_rs_timer+0x314/0x690
[  263.904871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.909101]  call_timer_fn+0x272/0x920
[  263.912977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.917198]  ? process_timeout+0x40/0x40
[  263.921253]  ? __run_timers+0x7da/0xc70
[  263.925233]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.929719]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.934198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.938417]  ? lockdep_hardirqs_on+0x296/0x5b0
[  263.942986]  ? trace_hardirqs_on+0xbd/0x310
[  263.947297]  ? kasan_check_read+0x11/0x20
[  263.951430]  ? __run_timers+0x7da/0xc70
[  263.955396]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.960985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.965212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.969432]  __run_timers+0x7e5/0xc70
[  263.973227]  ? timer_fixup_init+0x70/0x70
[  263.977363]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  263.982366]  ? zap_class+0x640/0x640
[  263.986071]  ? enqueue_hrtimer+0x1a5/0x560
[  263.990296]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  263.995479]  ? find_held_lock+0x36/0x1c0
[  263.999531]  ? zap_class+0x640/0x640
[  264.003235]  ? pvclock_read_flags+0x160/0x160
[  264.007738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.013266]  ? check_preemption_disabled+0x48/0x280
[  264.018290]  ? __lock_is_held+0xb5/0x140
[  264.022340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.027866]  ? check_preemption_disabled+0x48/0x280
[  264.032979]  run_timer_softirq+0x52/0xb0
[  264.037050]  ? rcu_read_lock_sched_held+0x14f/0x180
[  264.042051]  __do_softirq+0x308/0xb7e
[  264.045842]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  264.050416]  ? lock_downgrade+0x900/0x900
[  264.054552]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  264.059649]  ? pvclock_read_flags+0x160/0x160
[  264.064134]  ? lapic_next_event+0x5a/0x90
[  264.068270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.073797]  ? kvm_clock_read+0x18/0x30
[  264.077759]  ? kvm_sched_clock_read+0x9/0x20
[  264.082158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.087682]  ? check_preemption_disabled+0x48/0x280
[  264.092691]  irq_exit+0x17f/0x1c0
[  264.096143]  smp_apic_timer_interrupt+0x1cb/0x760
[  264.100975]  ? smp_reschedule_interrupt+0x109/0x650
[  264.105982]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.111959]  ? interrupt_entry+0xb5/0xc0
[  264.116016]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.121020]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.126034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.130865]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.135867]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.140869]  ? task_prio+0x50/0x50
[  264.144397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.149921]  ? check_preemption_disabled+0x48/0x280
[  264.154963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.159801]  apic_timer_interrupt+0xf/0x20
[  264.164020]  </IRQ>
[  264.166260] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  264.171179] 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
[  264.190073] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  264.197763] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  264.205018] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  264.212273] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  264.219528] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  264.226797] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  264.234077]  skb_clone+0x1bb/0x500
[  264.237603]  ? finish_task_switch+0x2f4/0x910
[  264.242088]  ? skb_split+0x11e0/0x11e0
[  264.245967]  ? preempt_notifier_register+0x200/0x200
[  264.251060]  ? __switch_to_asm+0x34/0x70
[  264.255116]  ? __switch_to_asm+0x34/0x70
[  264.259159]  ? __switch_to_asm+0x40/0x70
[  264.263202]  ? __switch_to_asm+0x34/0x70
[  264.267248]  ? __switch_to_asm+0x40/0x70
[  264.271295]  ? __switch_to_asm+0x34/0x70
[  264.275339]  ? __switch_to_asm+0x40/0x70
[  264.279390]  ? __switch_to_asm+0x34/0x70
[  264.283439]  ? __switch_to_asm+0x34/0x70
[  264.287482]  ? __switch_to_asm+0x40/0x70
[  264.291526]  ? __switch_to_asm+0x34/0x70
[  264.295580]  bpf_clone_redirect+0xb9/0x490
[  264.299804]  ? __schedule+0x8d7/0x21d0
[  264.303683]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  264.308684]  ? __sched_text_start+0x8/0x8
[  264.312932]  ? retint_kernel+0x2d/0x2d
[  264.316895]  ? trace_hardirqs_on_caller+0xc0/0x310
[  264.321818]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  264.326563]  ? find_held_lock+0x36/0x1c0
[  264.330618]  ? lock_acquire+0x1ed/0x520
[  264.334579]  ? bpf_test_run+0x3cb/0x780
[  264.338629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.344152]  ? check_preemption_disabled+0x48/0x280
[  264.349161]  ? kasan_check_read+0x11/0x20
[  264.353296]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.358558]  ? rcu_softirq_qs+0x20/0x20
[  264.362519]  ? preempt_schedule+0x4d/0x60
[  264.366652]  ? ___preempt_schedule+0x16/0x18
[  264.371053]  ? bpf_test_run+0x25d/0x780
[  264.375025]  ? netlink_diag_dump+0x2a0/0x2a0
[  264.379432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.384960]  ? bpf_test_init.isra.10+0x70/0x100
[  264.389617]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  264.394364]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  264.399194]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  264.404718]  ? fput+0x130/0x1a0
[  264.407998]  ? __bpf_prog_get+0x9b/0x290
[  264.412143]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  264.416982]  ? bpf_prog_test_run+0x130/0x1a0
[  264.421380]  ? __x64_sys_bpf+0x3d8/0x520
[  264.425429]  ? bpf_prog_get+0x20/0x20
[  264.429233]  ? do_syscall_64+0x1b9/0x820
[  264.433280]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  264.438633]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.443645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.448485]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.453611]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  264.458620]  ? prepare_exit_to_usermode+0x291/0x3b0
[  264.463625]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.468462]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  264.473824] warn_alloc_show_mem: 1 callbacks suppressed
[  264.473832] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  264.473834] Mem-Info:
[  264.473859] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  264.473859]  active_file:12 inactive_file:13 isolated_file:0
[  264.473859]  unevictable:0 dirty:0 writeback:0 unstable:0
[  264.473859]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  264.473859]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  264.473859]  free:13767 free_pcp:247 free_cma:0
[  264.479194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.486110] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  264.488491] Call Trace:
[  264.521525] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  264.530864]  dump_stack+0x244/0x39d
[  264.558494] lowmem_reserve[]: 0 2818 6321 6321
[  264.561066]  ? dump_stack_print_info.cold.1+0x20/0x20
[  264.587139] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  264.590757]  warn_alloc.cold.116+0xb7/0x1bd
[  264.595295] lowmem_reserve[]: 0 0 3503 3503
[  264.600472]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.628282] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  264.632620]  ? lock_downgrade+0x900/0x900
[  264.636908] lowmem_reserve[]: 0 0 0 0
[  264.641748]  ? trace_hardirqs_off+0xb8/0x310
[  264.670769] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  264.674906]  ? trace_hardirqs_off+0xb8/0x310
[  264.678672] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  264.683072]  __alloc_pages_slowpath+0x26e8/0x2e10
[  264.696567] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  264.700984]  ? warn_alloc+0x120/0x120
[  264.716118] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  264.720940]  ? print_usage_bug+0xc0/0xc0
[  264.736166] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  264.739944]  ? warn_alloc+0x120/0x120
[  264.748747] 2041 total pagecache pages
[  264.752787]  ? warn_alloc+0x120/0x120
[  264.761331] 0 pages in swap cache
[  264.765105]  ? print_usage_bug+0xc0/0xc0
[  264.768963] Swap cache stats: add 0, delete 0, find 0/0
[  264.768969] Free swap  = 0kB
[  264.772765]  ? print_usage_bug+0xc0/0xc0
[  264.776182] Total swap = 0kB
[  264.776189] 1965979 pages RAM
[  264.780318]  ? __lock_acquire+0x62f/0x4c20
[  264.785643] 0 pages HighMem/MovableOnly
[  264.785649] 342854 pages reserved
[  264.788649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.792669] 0 pages cma reserved
[  264.792732] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.795672]  ? should_fail+0x22d/0xd01
[  264.798797] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.802973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.806921] syz-executor3 cpuset=syz3 mems_allowed=0
[  264.810356]  ? __lock_acquire+0x62f/0x4c20
[  264.854379]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.859471]  ? __lock_acquire+0x62f/0x4c20
[  264.863691]  ? should_fail+0x22d/0xd01
[  264.867565]  ? find_held_lock+0x36/0x1c0
[  264.871632]  ? mark_held_locks+0x130/0x130
[  264.875861]  ? mark_held_locks+0x130/0x130
[  264.880092]  ? zap_class+0x640/0x640
[  264.883794]  ? zap_class+0x640/0x640
[  264.887496]  ? print_usage_bug+0xc0/0xc0
[  264.891541]  ? do_raw_spin_unlock+0xa7/0x330
[  264.895938]  ? zap_class+0x640/0x640
[  264.899640]  ? print_usage_bug+0xc0/0xc0
[  264.903688]  ? wq_watchdog_touch+0x9c/0xfe
[  264.907950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.913475]  ? check_preemption_disabled+0x48/0x280
[  264.918483]  ? __lock_is_held+0xb5/0x140
[  264.922537]  __alloc_pages_nodemask+0xa80/0xde0
[  264.927193]  ? zap_class+0x640/0x640
[  264.930897]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  264.935912]  ? find_held_lock+0x36/0x1c0
[  264.939966]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.944622]  ? lock_downgrade+0x900/0x900
[  264.948764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.954293]  cache_grow_begin+0xa5/0x8c0
[  264.958342]  ? do_raw_spin_unlock+0xa7/0x330
[  264.962742]  fallback_alloc+0x204/0x2e0
[  264.966711]  ____cache_alloc_node+0x1c7/0x1e0
[  264.971198]  kmem_cache_alloc_node+0xe3/0x730
[  264.975679]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.979909]  __alloc_skb+0x119/0x770
[  264.983607]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.988880]  ? netdev_alloc_frag+0x1f0/0x1f0
[  264.993277]  ? lock_downgrade+0x900/0x900
[  264.997419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.002951]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.008394]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.013832]  ? addrconf_rs_timer+0x690/0x690
[  265.018243]  ndisc_alloc_skb+0x144/0x340
[  265.022295]  ndisc_send_rs+0x331/0x6e0
[  265.026175]  addrconf_rs_timer+0x314/0x690
[  265.030401]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.034631]  call_timer_fn+0x272/0x920
[  265.038506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.042727]  ? process_timeout+0x40/0x40
[  265.046781]  ? __run_timers+0x7da/0xc70
[  265.050742]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.055222]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.059700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.063926]  ? lockdep_hardirqs_on+0x296/0x5b0
[  265.068495]  ? trace_hardirqs_on+0xbd/0x310
[  265.072802]  ? kasan_check_read+0x11/0x20
[  265.076935]  ? __run_timers+0x7da/0xc70
[  265.080900]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.085989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.090215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.094435]  __run_timers+0x7e5/0xc70
[  265.098228]  ? timer_fixup_init+0x70/0x70
[  265.102359]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.106851]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.111334]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  265.115903]  ? trace_hardirqs_on+0xbd/0x310
[  265.120208]  ? kasan_check_read+0x11/0x20
[  265.124344]  ? finish_task_switch+0x1f4/0x910
[  265.129319]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.134411]  ? compat_start_thread+0x80/0x80
[  265.138822]  ? pvclock_read_flags+0x160/0x160
[  265.143306]  ? __switch_to_asm+0x34/0x70
[  265.147361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.152890]  ? check_preemption_disabled+0x48/0x280
[  265.157903]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  265.163430]  ? rcu_pm_notify+0xc0/0xc0
[  265.167304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.172824]  ? check_preemption_disabled+0x48/0x280
[  265.177835]  run_timer_softirq+0x52/0xb0
[  265.181903]  ? rcu_read_lock_sched_held+0x14f/0x180
[  265.186909]  __do_softirq+0x308/0xb7e
[  265.190703]  ? trace_hardirqs_on_caller+0xc0/0x310
[  265.195624]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  265.200712]  ? trace_hardirqs_on+0x310/0x310
[  265.205108]  ? schedule+0x108/0x460
[  265.208728]  ? trace_hardirqs_off+0xb8/0x310
[  265.213125]  ? smpboot_thread_fn+0x68b/0xa00
[  265.217520]  ? trace_hardirqs_on+0x310/0x310
[  265.221921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.227444]  ? check_preemption_disabled+0x48/0x280
[  265.232450]  ? takeover_tasklets+0xa90/0xa90
[  265.236851]  run_ksoftirqd+0x5e/0x100
[  265.240641]  smpboot_thread_fn+0x68b/0xa00
[  265.244877]  ? sort_range+0x30/0x30
[  265.248489]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.253577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.259099]  ? __kthread_parkme+0xfb/0x1a0
[  265.263325]  ? sort_range+0x30/0x30
[  265.266942]  kthread+0x35a/0x440
[  265.270304]  ? kthread_stop+0x900/0x900
[  265.274265]  ret_from_fork+0x3a/0x50
[  265.277978] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  265.278064] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.285241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.285245] Call Trace:
[  265.285250]  <IRQ>
[  265.285262]  dump_stack+0x244/0x39d
[  265.285278]  ? dump_stack_print_info.cold.1+0x20/0x20
[  265.291816] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.301097]  warn_alloc.cold.116+0xb7/0x1bd
[  265.303653] ksoftirqd/1 cpuset=/ mems_allowed=0
[  265.305791]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.338694]  ? lock_downgrade+0x900/0x900
[  265.342847]  ? trace_hardirqs_off+0xb8/0x310
[  265.347248]  ? trace_hardirqs_off+0xb8/0x310
[  265.351650]  __alloc_pages_slowpath+0x26e8/0x2e10
[  265.356499]  ? warn_alloc+0x120/0x120
[  265.360299]  ? print_usage_bug+0xc0/0xc0
[  265.364347]  ? warn_alloc+0x120/0x120
[  265.368141]  ? warn_alloc+0x120/0x120
[  265.371931]  ? print_usage_bug+0xc0/0xc0
[  265.375985]  ? print_usage_bug+0xc0/0xc0
[  265.380037]  ? __lock_acquire+0x62f/0x4c20
[  265.384264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.389784]  ? should_fail+0x22d/0xd01
[  265.393663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.398752]  ? __lock_acquire+0x62f/0x4c20
[  265.402978]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.408066]  ? __lock_acquire+0x62f/0x4c20
[  265.412285]  ? should_fail+0x22d/0xd01
[  265.416160]  ? find_held_lock+0x36/0x1c0
[  265.420217]  ? mark_held_locks+0x130/0x130
[  265.424464]  ? mark_held_locks+0x130/0x130
[  265.428683]  ? zap_class+0x640/0x640
[  265.432382]  ? zap_class+0x640/0x640
[  265.436102]  ? print_usage_bug+0xc0/0xc0
[  265.440149]  ? do_raw_spin_unlock+0xa7/0x330
[  265.444556]  ? zap_class+0x640/0x640
[  265.448257]  ? print_usage_bug+0xc0/0xc0
[  265.452305]  ? wq_watchdog_touch+0x9c/0xfe
[  265.456532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.462055]  ? check_preemption_disabled+0x48/0x280
[  265.467065]  ? __lock_is_held+0xb5/0x140
[  265.471118]  __alloc_pages_nodemask+0xa80/0xde0
[  265.475773]  ? zap_class+0x640/0x640
[  265.479478]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  265.484489]  ? find_held_lock+0x36/0x1c0
[  265.488546]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.493218]  ? lock_downgrade+0x900/0x900
[  265.497359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.502887]  cache_grow_begin+0xa5/0x8c0
[  265.506932]  ? do_raw_spin_unlock+0xa7/0x330
[  265.511331]  fallback_alloc+0x204/0x2e0
[  265.515295]  ____cache_alloc_node+0x1c7/0x1e0
[  265.519781]  kmem_cache_alloc_node+0xe3/0x730
[  265.524264]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.528493]  __alloc_skb+0x119/0x770
[  265.532211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.537478]  ? netdev_alloc_frag+0x1f0/0x1f0
[  265.541877]  ? lock_downgrade+0x900/0x900
[  265.546021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.551543]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.556982]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.562420]  ? addrconf_rs_timer+0x690/0x690
[  265.566835]  ndisc_alloc_skb+0x144/0x340
[  265.570903]  ndisc_send_rs+0x331/0x6e0
[  265.574868]  addrconf_rs_timer+0x314/0x690
[  265.579092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.583324]  call_timer_fn+0x272/0x920
[  265.587197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.591418]  ? process_timeout+0x40/0x40
[  265.595468]  ? __run_timers+0x7da/0xc70
[  265.599430]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.603911]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.608393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.612616]  ? lockdep_hardirqs_on+0x296/0x5b0
[  265.617189]  ? trace_hardirqs_on+0xbd/0x310
[  265.621499]  ? kasan_check_read+0x11/0x20
[  265.625631]  ? __run_timers+0x7da/0xc70
[  265.629591]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.634690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.638918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.643139]  __run_timers+0x7e5/0xc70
[  265.646935]  ? timer_fixup_init+0x70/0x70
[  265.651070]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  265.656072]  ? zap_class+0x640/0x640
[  265.659778]  ? enqueue_hrtimer+0x1a5/0x560
[  265.664008]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.669191]  ? find_held_lock+0x36/0x1c0
[  265.673244]  ? zap_class+0x640/0x640
[  265.676950]  ? pvclock_read_flags+0x160/0x160
[  265.681433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.686964]  ? check_preemption_disabled+0x48/0x280
[  265.691973]  ? __lock_is_held+0xb5/0x140
[  265.696038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.701569]  ? check_preemption_disabled+0x48/0x280
[  265.706575]  run_timer_softirq+0x52/0xb0
[  265.710632]  ? rcu_read_lock_sched_held+0x14f/0x180
[  265.715634]  __do_softirq+0x308/0xb7e
[  265.719425]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  265.723905]  ? lock_downgrade+0x900/0x900
[  265.728043]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  265.733140]  ? pvclock_read_flags+0x160/0x160
[  265.737627]  ? lapic_next_event+0x5a/0x90
[  265.741763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.747290]  ? kvm_clock_read+0x18/0x30
[  265.751250]  ? kvm_sched_clock_read+0x9/0x20
[  265.755645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.761168]  ? check_preemption_disabled+0x48/0x280
[  265.766180]  irq_exit+0x17f/0x1c0
[  265.769620]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.774452]  ? smp_reschedule_interrupt+0x109/0x650
[  265.779541]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.785411]  ? interrupt_entry+0xb5/0xc0
[  265.789460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.794461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.799465]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.804301]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.809305]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.814308]  ? task_prio+0x50/0x50
[  265.817853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.823378]  ? check_preemption_disabled+0x48/0x280
[  265.828385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.833220]  apic_timer_interrupt+0xf/0x20
[  265.837435]  </IRQ>
[  265.839659] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  265.844576] 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
[  265.863463] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  265.871157] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  265.878431] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  265.885718] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  265.892971] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  265.900243] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  265.907528]  skb_clone+0x1bb/0x500
[  265.911078]  ? finish_task_switch+0x2f4/0x910
[  265.915566]  ? skb_split+0x11e0/0x11e0
[  265.919443]  ? preempt_notifier_register+0x200/0x200
[  265.924546]  ? __switch_to_asm+0x34/0x70
[  265.928634]  ? __switch_to_asm+0x34/0x70
[  265.932679]  ? __switch_to_asm+0x40/0x70
[  265.936725]  ? __switch_to_asm+0x34/0x70
[  265.940784]  ? __switch_to_asm+0x40/0x70
[  265.944851]  ? __switch_to_asm+0x34/0x70
[  265.948897]  ? __switch_to_asm+0x40/0x70
[  265.952961]  ? __switch_to_asm+0x34/0x70
[  265.957008]  ? __switch_to_asm+0x34/0x70
[  265.961565]  ? __switch_to_asm+0x40/0x70
[  265.965610]  ? __switch_to_asm+0x34/0x70
[  265.969663]  bpf_clone_redirect+0xb9/0x490
[  265.973885]  ? __schedule+0x8d7/0x21d0
[  265.977766]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  265.982794]  ? __sched_text_start+0x8/0x8
[  265.986931]  ? retint_kernel+0x2d/0x2d
[  265.990821]  ? trace_hardirqs_on_caller+0xc0/0x310
[  265.995852]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  266.000600]  ? find_held_lock+0x36/0x1c0
[  266.004659]  ? lock_acquire+0x1ed/0x520
[  266.008622]  ? bpf_test_run+0x3cb/0x780
[  266.012583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.018108]  ? check_preemption_disabled+0x48/0x280
[  266.023115]  ? kasan_check_read+0x11/0x20
[  266.027248]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.032512]  ? rcu_softirq_qs+0x20/0x20
[  266.036473]  ? preempt_schedule+0x4d/0x60
[  266.040610]  ? ___preempt_schedule+0x16/0x18
[  266.045011]  ? bpf_test_run+0x25d/0x780
[  266.048981]  ? netlink_diag_dump+0x2a0/0x2a0
[  266.053381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.058907]  ? bpf_test_init.isra.10+0x70/0x100
[  266.063567]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  266.068330]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  266.073160]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  266.078685]  ? fput+0x130/0x1a0
[  266.081952]  ? __bpf_prog_get+0x9b/0x290
[  266.086787]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  266.091617]  ? bpf_prog_test_run+0x130/0x1a0
[  266.096020]  ? __x64_sys_bpf+0x3d8/0x520
[  266.100069]  ? bpf_prog_get+0x20/0x20
[  266.103870]  ? do_syscall_64+0x1b9/0x820
[  266.107920]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  266.113274]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.118189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.123020]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.128024]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  266.133033]  ? prepare_exit_to_usermode+0x291/0x3b0
[  266.138040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.143058]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  266.148423] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  266.148427] warn_alloc_show_mem: 1 callbacks suppressed
[  266.148432] Mem-Info:
[  266.155335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.155341] Call Trace:
[  266.160697] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  266.160697]  active_file:12 inactive_file:13 isolated_file:0
[  266.160697]  unevictable:0 dirty:0 writeback:0 unstable:0
[  266.160697]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  266.160697]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  266.160697]  free:13767 free_pcp:247 free_cma:0
[  266.163070]  dump_stack+0x244/0x39d
[  266.172410] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  266.174977]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.207995] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  266.211608]  warn_alloc.cold.116+0xb7/0x1bd
[  266.239231] lowmem_reserve[]: 0 2818 6321 6321
[  266.244417]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.270503] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  266.274806]  ? lock_downgrade+0x900/0x900
[  266.279346] lowmem_reserve[]: 0 0 3503 3503
[  266.284178]  ? trace_hardirqs_off+0xb8/0x310
[  266.312073] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  266.316204]  ? trace_hardirqs_off+0xb8/0x310
[  266.320483] lowmem_reserve[]: 0 0 0 0
[  266.324884]  __alloc_pages_slowpath+0x26e8/0x2e10
[  266.353817] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  266.358242]  ? warn_alloc+0x120/0x120
[  266.362115] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  266.366947]  ? print_usage_bug+0xc0/0xc0
[  266.380429] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  266.384214]  ? warn_alloc+0x120/0x120
[  266.399462] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  266.403497]  ? warn_alloc+0x120/0x120
[  266.418839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  266.422623]  ? print_usage_bug+0xc0/0xc0
[  266.431426] 2041 total pagecache pages
[  266.435204]  ? print_usage_bug+0xc0/0xc0
[  266.443761] 0 pages in swap cache
[  266.447807]  ? __lock_acquire+0x62f/0x4c20
[  266.451664] Swap cache stats: add 0, delete 0, find 0/0
[  266.455702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.459126] Free swap  = 0kB
[  266.463339]  ? should_fail+0x22d/0xd01
[  266.468663] Total swap = 0kB
[  266.468669] 1965979 pages RAM
[  266.474190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.477173] 0 pages HighMem/MovableOnly
[  266.477180] 342854 pages reserved
[  266.481045]  ? __lock_acquire+0x62f/0x4c20
[  266.484031] 0 pages cma reserved
[  266.487117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.492235] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.496134]  ? __lock_acquire+0x62f/0x4c20
[  266.496147]  ? should_fail+0x22d/0xd01
[  266.499632] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.503780]  ? find_held_lock+0x36/0x1c0
[  266.507114] syz-executor3 cpuset=syz3 mems_allowed=0
[  266.512202]  ? mark_held_locks+0x130/0x130
[  266.550528]  ? mark_held_locks+0x130/0x130
[  266.554750]  ? zap_class+0x640/0x640
[  266.558459]  ? mark_held_locks+0xc7/0x130
[  266.562595]  ? do_raw_spin_unlock+0xa7/0x330
[  266.566989]  ? zap_class+0x640/0x640
[  266.570687]  ? print_usage_bug+0xc0/0xc0
[  266.574826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.580354]  ? check_preemption_disabled+0x48/0x280
[  266.585364]  ? __lock_is_held+0xb5/0x140
[  266.589420]  __alloc_pages_nodemask+0xa80/0xde0
[  266.594073]  ? zap_class+0x640/0x640
[  266.597785]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  266.602807]  ? find_held_lock+0x36/0x1c0
[  266.606862]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.611520]  ? lock_downgrade+0x900/0x900
[  266.615663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.621190]  cache_grow_begin+0xa5/0x8c0
[  266.625239]  ? do_raw_spin_unlock+0xa7/0x330
[  266.629753]  fallback_alloc+0x204/0x2e0
[  266.633724]  ____cache_alloc_node+0x1c7/0x1e0
[  266.638214]  kmem_cache_alloc_node+0xe3/0x730
[  266.642698]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.646933]  __alloc_skb+0x119/0x770
[  266.650634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.655985]  ? netdev_alloc_frag+0x1f0/0x1f0
[  266.660381]  ? lock_downgrade+0x900/0x900
[  266.664520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.670059]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.675499]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.680937]  ? addrconf_rs_timer+0x690/0x690
[  266.685339]  ndisc_alloc_skb+0x144/0x340
[  266.689393]  ndisc_send_rs+0x331/0x6e0
[  266.693271]  addrconf_rs_timer+0x314/0x690
[  266.697496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.701737]  call_timer_fn+0x272/0x920
[  266.705633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.709855]  ? process_timeout+0x40/0x40
[  266.713907]  ? __run_timers+0x7da/0xc70
[  266.717868]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.722349]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.726829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.731052]  ? lockdep_hardirqs_on+0x296/0x5b0
[  266.735621]  ? trace_hardirqs_on+0xbd/0x310
[  266.739927]  ? kasan_check_read+0x11/0x20
[  266.744062]  ? __run_timers+0x7da/0xc70
[  266.748024]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.753208]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.757433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.761650]  __run_timers+0x7e5/0xc70
[  266.765443]  ? timer_fixup_init+0x70/0x70
[  266.769579]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.774059]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.778650]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  266.783219]  ? trace_hardirqs_on+0xbd/0x310
[  266.787530]  ? kasan_check_read+0x11/0x20
[  266.791663]  ? finish_task_switch+0x1f4/0x910
[  266.796144]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.801235]  ? compat_start_thread+0x80/0x80
[  266.805665]  ? pvclock_read_flags+0x160/0x160
[  266.810146]  ? __switch_to_asm+0x34/0x70
[  266.814193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.819732]  ? check_preemption_disabled+0x48/0x280
[  266.824743]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  266.830271]  ? rcu_pm_notify+0xc0/0xc0
[  266.834148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.839671]  ? check_preemption_disabled+0x48/0x280
[  266.844676]  run_timer_softirq+0x52/0xb0
[  266.848729]  ? rcu_read_lock_sched_held+0x14f/0x180
[  266.853742]  __do_softirq+0x308/0xb7e
[  266.857535]  ? trace_hardirqs_on_caller+0xc0/0x310
[  266.862454]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  266.867544]  ? trace_hardirqs_on+0x310/0x310
[  266.871943]  ? schedule+0x108/0x460
[  266.875563]  ? trace_hardirqs_off+0xb8/0x310
[  266.879963]  ? smpboot_thread_fn+0x68b/0xa00
[  266.884362]  ? trace_hardirqs_on+0x310/0x310
[  266.888763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.894288]  ? check_preemption_disabled+0x48/0x280
[  266.899378]  ? takeover_tasklets+0xa90/0xa90
[  266.903773]  run_ksoftirqd+0x5e/0x100
[  266.907560]  smpboot_thread_fn+0x68b/0xa00
[  266.911915]  ? sort_range+0x30/0x30
[  266.915531]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.920629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.926161]  ? __kthread_parkme+0xfb/0x1a0
[  266.930386]  ? sort_range+0x30/0x30
[  266.934002]  kthread+0x35a/0x440
[  266.937359]  ? kthread_stop+0x900/0x900
[  266.941325]  ret_from_fork+0x3a/0x50
[  266.945039] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  266.945094] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.952299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.952304] Call Trace:
[  266.952310]  <IRQ>
[  266.952324]  dump_stack+0x244/0x39d
[  266.952342]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.958850] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.968654]  warn_alloc.cold.116+0xb7/0x1bd
[  266.971202] ksoftirqd/1 cpuset=/ mems_allowed=0
[  266.973333]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  267.006174]  ? lock_downgrade+0x900/0x900
[  267.010316]  ? trace_hardirqs_off+0xb8/0x310
[  267.014725]  ? trace_hardirqs_off+0xb8/0x310
[  267.019130]  __alloc_pages_slowpath+0x26e8/0x2e10
[  267.023996]  ? warn_alloc+0x120/0x120
[  267.027794]  ? print_usage_bug+0xc0/0xc0
[  267.031860]  ? warn_alloc+0x120/0x120
[  267.035653]  ? warn_alloc+0x120/0x120
[  267.039441]  ? print_usage_bug+0xc0/0xc0
[  267.043491]  ? kvm_clock_read+0x18/0x30
[  267.047454]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  267.052456]  ? print_usage_bug+0xc0/0xc0
[  267.056502]  ? __lock_acquire+0x62f/0x4c20
[  267.060731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.066261]  ? should_fail+0x22d/0xd01
[  267.070139]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.075409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.080586]  ? __lock_acquire+0x62f/0x4c20
[  267.084922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.090016]  ? __lock_acquire+0x62f/0x4c20
[  267.094247]  ? should_fail+0x22d/0xd01
[  267.098118]  ? rcu_irq_exit+0x1a2/0x390
[  267.102085]  ? mark_held_locks+0x130/0x130
[  267.106309]  ? mark_held_locks+0x130/0x130
[  267.110635]  ? mark_held_locks+0xc7/0x130
[  267.114771]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  267.119785]  ? zap_class+0x640/0x640
[  267.123487]  ? print_usage_bug+0xc0/0xc0
[  267.127720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.133246]  ? check_preemption_disabled+0x48/0x280
[  267.138257]  ? __lock_is_held+0xb5/0x140
[  267.142308]  __alloc_pages_nodemask+0xa80/0xde0
[  267.146962]  ? zap_class+0x640/0x640
[  267.150668]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  267.155698]  ? find_held_lock+0x36/0x1c0
[  267.159753]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.164411]  ? lock_downgrade+0x900/0x900
[  267.168552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.174077]  cache_grow_begin+0xa5/0x8c0
[  267.178138]  ? do_raw_spin_unlock+0xa7/0x330
[  267.182540]  fallback_alloc+0x204/0x2e0
[  267.186506]  ____cache_alloc_node+0x1c7/0x1e0
[  267.190994]  kmem_cache_alloc_node+0xe3/0x730
[  267.195481]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.199717]  __alloc_skb+0x119/0x770
[  267.203506]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.208774]  ? netdev_alloc_frag+0x1f0/0x1f0
[  267.213187]  ? lock_downgrade+0x900/0x900
[  267.217327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.222849]  ? refcount_sub_and_test_checked+0x203/0x310
[  267.228287]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  267.233726]  ? addrconf_rs_timer+0x690/0x690
[  267.238144]  ndisc_alloc_skb+0x144/0x340
[  267.242198]  ndisc_send_rs+0x331/0x6e0
[  267.246076]  addrconf_rs_timer+0x314/0x690
[  267.250299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.254525]  call_timer_fn+0x272/0x920
[  267.258397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.262618]  ? process_timeout+0x40/0x40
[  267.266678]  ? __run_timers+0x7da/0xc70
[  267.270661]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.275149]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.279629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.283850]  ? lockdep_hardirqs_on+0x296/0x5b0
[  267.288434]  ? trace_hardirqs_on+0xbd/0x310
[  267.292742]  ? kasan_check_read+0x11/0x20
[  267.296878]  ? __run_timers+0x7da/0xc70
[  267.300844]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.305941]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.310278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.314500]  __run_timers+0x7e5/0xc70
[  267.318297]  ? timer_fixup_init+0x70/0x70
[  267.322435]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.327441]  ? zap_class+0x640/0x640
[  267.331151]  ? enqueue_hrtimer+0x1a5/0x560
[  267.335374]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  267.340561]  ? find_held_lock+0x36/0x1c0
[  267.344616]  ? zap_class+0x640/0x640
[  267.348323]  ? pvclock_read_flags+0x160/0x160
[  267.352813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.358340]  ? check_preemption_disabled+0x48/0x280
[  267.363361]  ? __lock_is_held+0xb5/0x140
[  267.367413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.372952]  ? check_preemption_disabled+0x48/0x280
[  267.377968]  run_timer_softirq+0x52/0xb0
[  267.382016]  ? rcu_read_lock_sched_held+0x14f/0x180
[  267.387017]  __do_softirq+0x308/0xb7e
[  267.390809]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.395291]  ? lock_downgrade+0x900/0x900
[  267.399431]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  267.404527]  ? pvclock_read_flags+0x160/0x160
[  267.409017]  ? lapic_next_event+0x5a/0x90
[  267.413154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.418691]  ? kvm_clock_read+0x18/0x30
[  267.422675]  ? kvm_sched_clock_read+0x9/0x20
[  267.427091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.432615]  ? check_preemption_disabled+0x48/0x280
[  267.437623]  irq_exit+0x17f/0x1c0
[  267.441063]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.445910]  ? smp_reschedule_interrupt+0x109/0x650
[  267.450914]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.456896]  ? interrupt_entry+0xb5/0xc0
[  267.460944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.465960]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.470962]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.475790]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.480796]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.485796]  ? task_prio+0x50/0x50
[  267.489326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.494852]  ? check_preemption_disabled+0x48/0x280
[  267.499861]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.504696]  apic_timer_interrupt+0xf/0x20
[  267.508914]  </IRQ>
[  267.511146] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  267.516063] 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
[  267.534951] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  267.542650] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  267.549908] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  267.557161] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  267.564425] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  267.571694] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  267.578977]  skb_clone+0x1bb/0x500
[  267.582503]  ? finish_task_switch+0x2f4/0x910
[  267.586984]  ? skb_split+0x11e0/0x11e0
[  267.590860]  ? preempt_notifier_register+0x200/0x200
[  267.595946]  ? __switch_to_asm+0x34/0x70
[  267.599992]  ? __switch_to_asm+0x34/0x70
[  267.604126]  ? __switch_to_asm+0x40/0x70
[  267.608172]  ? __switch_to_asm+0x34/0x70
[  267.612217]  ? __switch_to_asm+0x40/0x70
[  267.616273]  ? __switch_to_asm+0x34/0x70
[  267.620318]  ? __switch_to_asm+0x40/0x70
[  267.624365]  ? __switch_to_asm+0x34/0x70
[  267.628410]  ? __switch_to_asm+0x34/0x70
[  267.632456]  ? __switch_to_asm+0x40/0x70
[  267.636592]  ? __switch_to_asm+0x34/0x70
[  267.640645]  bpf_clone_redirect+0xb9/0x490
[  267.644873]  ? __schedule+0x8d7/0x21d0
[  267.648769]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  267.653786]  ? __sched_text_start+0x8/0x8
[  267.657919]  ? retint_kernel+0x2d/0x2d
[  267.661794]  ? trace_hardirqs_on_caller+0xc0/0x310
[  267.666710]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.671462]  ? find_held_lock+0x36/0x1c0
[  267.675517]  ? lock_acquire+0x1ed/0x520
[  267.679477]  ? bpf_test_run+0x3cb/0x780
[  267.683438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.688963]  ? check_preemption_disabled+0x48/0x280
[  267.693968]  ? kasan_check_read+0x11/0x20
[  267.698105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.703370]  ? rcu_softirq_qs+0x20/0x20
[  267.707331]  ? preempt_schedule+0x4d/0x60
[  267.711484]  ? ___preempt_schedule+0x16/0x18
[  267.715882]  ? bpf_test_run+0x25d/0x780
[  267.719851]  ? netlink_diag_dump+0x2a0/0x2a0
[  267.724251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.729773]  ? bpf_test_init.isra.10+0x70/0x100
[  267.734447]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  267.739200]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  267.744031]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.749554]  ? fput+0x130/0x1a0
[  267.752851]  ? __bpf_prog_get+0x9b/0x290
[  267.756903]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  267.761730]  ? bpf_prog_test_run+0x130/0x1a0
[  267.766130]  ? __x64_sys_bpf+0x3d8/0x520
[  267.770180]  ? bpf_prog_get+0x20/0x20
[  267.773983]  ? do_syscall_64+0x1b9/0x820
[  267.778235]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  267.783588]  ? syscall_return_slowpath+0x5e0/0x5e0
[  267.788522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.793365]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.798369]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  267.803468]  ? prepare_exit_to_usermode+0x291/0x3b0
[  267.808474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.813310]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  267.818672] warn_alloc_show_mem: 1 callbacks suppressed
[  267.818680] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  267.818681] Mem-Info:
[  267.818707] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  267.818707]  active_file:12 inactive_file:13 isolated_file:0
[  267.818707]  unevictable:0 dirty:0 writeback:0 unstable:0
[  267.818707]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  267.818707]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  267.818707]  free:13767 free_pcp:247 free_cma:0
[  267.824031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  267.824037] Call Trace:
[  267.830955] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  267.833348]  dump_stack+0x244/0x39d
[  267.866362] 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
[  267.875701]  ? dump_stack_print_info.cold.1+0x20/0x20
[  267.878247] lowmem_reserve[]: 0 2818 6321 6321
[  267.905923]  warn_alloc.cold.116+0xb7/0x1bd
[  267.909521] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  267.935623]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  267.940777] lowmem_reserve[]: 0 0 3503 3503
[  267.945450]  ? lock_downgrade+0x900/0x900
[  267.949742] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  267.977842]  ? trace_hardirqs_off+0xb8/0x310
[  267.982654] lowmem_reserve[]: 0 0 0 0
[  267.986983]  ? trace_hardirqs_off+0xb8/0x310
[  267.991102] 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
[  268.020071]  __alloc_pages_slowpath+0x26e8/0x2e10
[  268.024450] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  268.028265]  ? warn_alloc+0x120/0x120
[  268.032628] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  268.046140]  ? print_usage_bug+0xc0/0xc0
[  268.050975] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  268.066128]  ? warn_alloc+0x120/0x120
[  268.069906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  268.069913] 2041 total pagecache pages
[  268.085156]  ? warn_alloc+0x120/0x120
[  268.089192] 0 pages in swap cache
[  268.098018]  ? print_usage_bug+0xc0/0xc0
[  268.101785] Swap cache stats: add 0, delete 0, find 0/0
[  268.101792] Free swap  = 0kB
[  268.110368]  ? print_usage_bug+0xc0/0xc0
[  268.114241] Total swap = 0kB
[  268.114248] 1965979 pages RAM
[  268.118032]  ? __lock_acquire+0x62f/0x4c20
[  268.121448] 0 pages HighMem/MovableOnly
[  268.121456] 342854 pages reserved
[  268.125508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.130839] 0 pages cma reserved
[  268.130935] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.133865]  ? should_fail+0x22d/0xd01
[  268.137964] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.140923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.144005] syz-executor3 cpuset=syz3 mems_allowed=0
[  268.148228]  ? __lock_acquire+0x62f/0x4c20
[  268.199688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.204806]  ? __lock_acquire+0x62f/0x4c20
[  268.209031]  ? should_fail+0x22d/0xd01
[  268.212923]  ? find_held_lock+0x36/0x1c0
[  268.216988]  ? mark_held_locks+0x130/0x130
[  268.221219]  ? mark_held_locks+0x130/0x130
[  268.225443]  ? zap_class+0x640/0x640
[  268.229161]  ? zap_class+0x640/0x640
[  268.232868]  ? print_usage_bug+0xc0/0xc0
[  268.236916]  ? do_raw_spin_unlock+0xa7/0x330
[  268.241319]  ? zap_class+0x640/0x640
[  268.245034]  ? print_usage_bug+0xc0/0xc0
[  268.249217]  ? wq_watchdog_touch+0x9c/0xfe
[  268.253464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.259080]  ? check_preemption_disabled+0x48/0x280
[  268.264187]  ? __lock_is_held+0xb5/0x140
[  268.268241]  __alloc_pages_nodemask+0xa80/0xde0
[  268.272916]  ? zap_class+0x640/0x640
[  268.276644]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  268.281661]  ? find_held_lock+0x36/0x1c0
[  268.285721]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.290378]  ? lock_downgrade+0x900/0x900
[  268.294520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.300057]  cache_grow_begin+0xa5/0x8c0
[  268.304108]  ? do_raw_spin_unlock+0xa7/0x330
[  268.308511]  fallback_alloc+0x204/0x2e0
[  268.312501]  ____cache_alloc_node+0x1c7/0x1e0
[  268.316991]  kmem_cache_alloc_node+0xe3/0x730
[  268.321490]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.325722]  __alloc_skb+0x119/0x770
[  268.329440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.334716]  ? netdev_alloc_frag+0x1f0/0x1f0
[  268.339115]  ? lock_downgrade+0x900/0x900
[  268.343261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.348798]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.354261]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.359710]  ? addrconf_rs_timer+0x690/0x690
[  268.364123]  ndisc_alloc_skb+0x144/0x340
[  268.368177]  ndisc_send_rs+0x331/0x6e0
[  268.372057]  addrconf_rs_timer+0x314/0x690
[  268.376285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.380515]  call_timer_fn+0x272/0x920
[  268.384474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.388706]  ? process_timeout+0x40/0x40
[  268.392769]  ? __run_timers+0x7da/0xc70
[  268.396749]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.401251]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.405739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.409967]  ? lockdep_hardirqs_on+0x296/0x5b0
[  268.414539]  ? trace_hardirqs_on+0xbd/0x310
[  268.418869]  ? kasan_check_read+0x11/0x20
[  268.423039]  ? __run_timers+0x7da/0xc70
[  268.427000]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.432097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.436326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.440555]  __run_timers+0x7e5/0xc70
[  268.444368]  ? timer_fixup_init+0x70/0x70
[  268.448509]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.452999]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.457491]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  268.462062]  ? trace_hardirqs_on+0xbd/0x310
[  268.466393]  ? kasan_check_read+0x11/0x20
[  268.470531]  ? finish_task_switch+0x1f4/0x910
[  268.475017]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.480108]  ? compat_start_thread+0x80/0x80
[  268.484520]  ? pvclock_read_flags+0x160/0x160
[  268.488998]  ? __switch_to_asm+0x34/0x70
[  268.493069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.498595]  ? check_preemption_disabled+0x48/0x280
[  268.503606]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  268.509129]  ? rcu_pm_notify+0xc0/0xc0
[  268.513023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.518545]  ? check_preemption_disabled+0x48/0x280
[  268.523554]  run_timer_softirq+0x52/0xb0
[  268.527627]  ? rcu_read_lock_sched_held+0x14f/0x180
[  268.532629]  __do_softirq+0x308/0xb7e
[  268.536440]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.541359]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  268.546447]  ? trace_hardirqs_on+0x310/0x310
[  268.550857]  ? schedule+0x108/0x460
[  268.554479]  ? trace_hardirqs_off+0xb8/0x310
[  268.558877]  ? smpboot_thread_fn+0x68b/0xa00
[  268.563277]  ? trace_hardirqs_on+0x310/0x310
[  268.567695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.573341]  ? check_preemption_disabled+0x48/0x280
[  268.578352]  ? takeover_tasklets+0xa90/0xa90
[  268.582752]  run_ksoftirqd+0x5e/0x100
[  268.586569]  smpboot_thread_fn+0x68b/0xa00
[  268.590800]  ? sort_range+0x30/0x30
[  268.594424]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.599514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.605061]  ? __kthread_parkme+0xfb/0x1a0
[  268.609384]  ? sort_range+0x30/0x30
[  268.613000]  kthread+0x35a/0x440
[  268.616376]  ? kthread_stop+0x900/0x900
[  268.620339]  ret_from_fork+0x3a/0x50
[  268.624062] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  268.624128] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.631320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.631325] Call Trace:
[  268.631330]  <IRQ>
[  268.631342]  dump_stack+0x244/0x39d
[  268.631358]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.637863] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.647163]  warn_alloc.cold.116+0xb7/0x1bd
[  268.649710] ksoftirqd/1 cpuset=/ mems_allowed=0
[  268.651839]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.684845]  ? lock_downgrade+0x900/0x900
[  268.689073]  ? trace_hardirqs_off+0xb8/0x310
[  268.693473]  ? trace_hardirqs_off+0xb8/0x310
[  268.697872]  __alloc_pages_slowpath+0x26e8/0x2e10
[  268.702726]  ? warn_alloc+0x120/0x120
[  268.706525]  ? print_usage_bug+0xc0/0xc0
[  268.710590]  ? warn_alloc+0x120/0x120
[  268.714380]  ? warn_alloc+0x120/0x120
[  268.718167]  ? print_usage_bug+0xc0/0xc0
[  268.722216]  ? print_usage_bug+0xc0/0xc0
[  268.726291]  ? __lock_acquire+0x62f/0x4c20
[  268.730518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.736049]  ? should_fail+0x22d/0xd01
[  268.739925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.745015]  ? __lock_acquire+0x62f/0x4c20
[  268.749241]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.754330]  ? __lock_acquire+0x62f/0x4c20
[  268.758557]  ? should_fail+0x22d/0xd01
[  268.762442]  ? find_held_lock+0x36/0x1c0
[  268.766499]  ? mark_held_locks+0x130/0x130
[  268.770725]  ? mark_held_locks+0x130/0x130
[  268.774965]  ? zap_class+0x640/0x640
[  268.778665]  ? zap_class+0x640/0x640
[  268.782367]  ? print_usage_bug+0xc0/0xc0
[  268.786413]  ? do_raw_spin_unlock+0xa7/0x330
[  268.790809]  ? zap_class+0x640/0x640
[  268.794603]  ? print_usage_bug+0xc0/0xc0
[  268.798649]  ? wq_watchdog_touch+0x9c/0xfe
[  268.802872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.808415]  ? check_preemption_disabled+0x48/0x280
[  268.813441]  ? __lock_is_held+0xb5/0x140
[  268.817950]  __alloc_pages_nodemask+0xa80/0xde0
[  268.822605]  ? zap_class+0x640/0x640
[  268.826308]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  268.831324]  ? find_held_lock+0x36/0x1c0
[  268.835379]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.840070]  ? lock_downgrade+0x900/0x900
[  268.844227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.849756]  cache_grow_begin+0xa5/0x8c0
[  268.853820]  ? do_raw_spin_unlock+0xa7/0x330
[  268.858310]  fallback_alloc+0x204/0x2e0
[  268.862294]  ____cache_alloc_node+0x1c7/0x1e0
[  268.866782]  kmem_cache_alloc_node+0xe3/0x730
[  268.871265]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.875493]  __alloc_skb+0x119/0x770
[  268.879194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.884462]  ? netdev_alloc_frag+0x1f0/0x1f0
[  268.888855]  ? lock_downgrade+0x900/0x900
[  268.892999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.898523]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.903978]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.909424]  ? addrconf_rs_timer+0x690/0x690
[  268.913831]  ndisc_alloc_skb+0x144/0x340
[  268.917882]  ndisc_send_rs+0x331/0x6e0
[  268.921758]  addrconf_rs_timer+0x314/0x690
[  268.925983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.930245]  call_timer_fn+0x272/0x920
[  268.934118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.938348]  ? process_timeout+0x40/0x40
[  268.942407]  ? __run_timers+0x7da/0xc70
[  268.946377]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.950875]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.955357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.959578]  ? lockdep_hardirqs_on+0x296/0x5b0
[  268.964148]  ? trace_hardirqs_on+0xbd/0x310
[  268.968458]  ? kasan_check_read+0x11/0x20
[  268.972590]  ? __run_timers+0x7da/0xc70
[  268.976557]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.981658]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.985972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.990190]  __run_timers+0x7e5/0xc70
[  268.993984]  ? timer_fixup_init+0x70/0x70
[  268.998123]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.003359]  ? zap_class+0x640/0x640
[  269.007061]  ? enqueue_hrtimer+0x1a5/0x560
[  269.011286]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.016469]  ? find_held_lock+0x36/0x1c0
[  269.020525]  ? zap_class+0x640/0x640
[  269.024229]  ? pvclock_read_flags+0x160/0x160
[  269.028715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.034242]  ? check_preemption_disabled+0x48/0x280
[  269.039254]  ? __lock_is_held+0xb5/0x140
[  269.043317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.048844]  ? check_preemption_disabled+0x48/0x280
[  269.053853]  run_timer_softirq+0x52/0xb0
[  269.057899]  ? rcu_read_lock_sched_held+0x14f/0x180
[  269.062990]  __do_softirq+0x308/0xb7e
[  269.066823]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  269.071305]  ? lock_downgrade+0x900/0x900
[  269.075441]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  269.080556]  ? pvclock_read_flags+0x160/0x160
[  269.085042]  ? lapic_next_event+0x5a/0x90
[  269.089177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.094722]  ? kvm_clock_read+0x18/0x30
[  269.098681]  ? kvm_sched_clock_read+0x9/0x20
[  269.103080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.108623]  ? check_preemption_disabled+0x48/0x280
[  269.113632]  irq_exit+0x17f/0x1c0
[  269.117071]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.121897]  ? smp_reschedule_interrupt+0x109/0x650
[  269.127102]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.132973]  ? interrupt_entry+0xb5/0xc0
[  269.137024]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.142026]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.147028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.151861]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.156866]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.161865]  ? task_prio+0x50/0x50
[  269.165439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.170972]  ? check_preemption_disabled+0x48/0x280
[  269.175980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.180817]  apic_timer_interrupt+0xf/0x20
[  269.185032]  </IRQ>
[  269.187269] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  269.192187] 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
[  269.211072] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  269.218764] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  269.226021] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  269.233274] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  269.240618] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  269.247886] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  269.255168]  skb_clone+0x1bb/0x500
[  269.258710]  ? finish_task_switch+0x2f4/0x910
[  269.263222]  ? skb_split+0x11e0/0x11e0
[  269.267097]  ? preempt_notifier_register+0x200/0x200
[  269.272183]  ? __switch_to_asm+0x34/0x70
[  269.276228]  ? __switch_to_asm+0x34/0x70
[  269.280272]  ? __switch_to_asm+0x40/0x70
[  269.284319]  ? __switch_to_asm+0x34/0x70
[  269.288369]  ? __switch_to_asm+0x40/0x70
[  269.292412]  ? __switch_to_asm+0x34/0x70
[  269.296456]  ? __switch_to_asm+0x40/0x70
[  269.300508]  ? __switch_to_asm+0x34/0x70
[  269.304564]  ? __switch_to_asm+0x34/0x70
[  269.308628]  ? __switch_to_asm+0x40/0x70
[  269.312680]  ? __switch_to_asm+0x34/0x70
[  269.316730]  bpf_clone_redirect+0xb9/0x490
[  269.320964]  ? __schedule+0x8d7/0x21d0
[  269.324844]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  269.329848]  ? __sched_text_start+0x8/0x8
[  269.333983]  ? retint_kernel+0x2d/0x2d
[  269.337857]  ? trace_hardirqs_on_caller+0xc0/0x310
[  269.342774]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.347531]  ? find_held_lock+0x36/0x1c0
[  269.351597]  ? lock_acquire+0x1ed/0x520
[  269.355574]  ? bpf_test_run+0x3cb/0x780
[  269.359540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.365072]  ? check_preemption_disabled+0x48/0x280
[  269.370083]  ? kasan_check_read+0x11/0x20
[  269.374220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.379533]  ? rcu_softirq_qs+0x20/0x20
[  269.383515]  ? preempt_schedule+0x4d/0x60
[  269.387650]  ? ___preempt_schedule+0x16/0x18
[  269.392071]  ? bpf_test_run+0x25d/0x780
[  269.396043]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.400441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.406072]  ? bpf_test_init.isra.10+0x70/0x100
[  269.410743]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  269.415500]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  269.420332]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.425854]  ? fput+0x130/0x1a0
[  269.429131]  ? __bpf_prog_get+0x9b/0x290
[  269.433181]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  269.438008]  ? bpf_prog_test_run+0x130/0x1a0
[  269.442408]  ? __x64_sys_bpf+0x3d8/0x520
[  269.446457]  ? bpf_prog_get+0x20/0x20
[  269.450282]  ? do_syscall_64+0x1b9/0x820
[  269.454340]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  269.459697]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.464613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.469474]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.474494]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  269.479511]  ? prepare_exit_to_usermode+0x291/0x3b0
[  269.484525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.489380]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  269.494752] warn_alloc_show_mem: 1 callbacks suppressed
[  269.494761] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  269.494762] Mem-Info:
[  269.494790] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  269.494790]  active_file:12 inactive_file:13 isolated_file:0
[  269.494790]  unevictable:0 dirty:0 writeback:0 unstable:0
[  269.494790]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  269.494790]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  269.494790]  free:13767 free_pcp:247 free_cma:0
[  269.500121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.500127] Call Trace:
[  269.507052] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  269.509444]  dump_stack+0x244/0x39d
[  269.542460] 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
[  269.551812]  ? dump_stack_print_info.cold.1+0x20/0x20
[  269.554360] lowmem_reserve[]: 0 2818 6321 6321
[  269.582026]  warn_alloc.cold.116+0xb7/0x1bd
[  269.585612] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  269.611699]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.616848] lowmem_reserve[]: 0 0 3503 3503
[  269.621423]  ? lock_downgrade+0x900/0x900
[  269.625709] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  269.653554]  ? trace_hardirqs_off+0xb8/0x310
[  269.658352] lowmem_reserve[]: 0 0 0 0
[  269.662662]  ? trace_hardirqs_off+0xb8/0x310
[  269.666772] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  269.695746]  __alloc_pages_slowpath+0x26e8/0x2e10
[  269.700127] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  269.703931]  ? warn_alloc+0x120/0x120
[  269.708290] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  269.721793]  ? print_usage_bug+0xc0/0xc0
[  269.726605] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  269.741759]  ? warn_alloc+0x120/0x120
[  269.745539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  269.760776]  ? warn_alloc+0x120/0x120
[  269.764822] 2041 total pagecache pages
[  269.773637]  ? print_usage_bug+0xc0/0xc0
[  269.777408] 0 pages in swap cache
[  269.785957]  ? print_usage_bug+0xc0/0xc0
[  269.789730] Swap cache stats: add 0, delete 0, find 0/0
[  269.793607]  ? __lock_acquire+0x62f/0x4c20
[  269.797686] Free swap  = 0kB
[  269.801127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.805150] Total swap = 0kB
[  269.805157] 1965979 pages RAM
[  269.810506]  ? should_fail+0x22d/0xd01
[  269.814700] 0 pages HighMem/MovableOnly
[  269.814707] 342854 pages reserved
[  269.817732]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.823232] 0 pages cma reserved
[  269.823290] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.826236]  ? __lock_acquire+0x62f/0x4c20
[  269.829407] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.833209]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.837151] syz-executor3 cpuset=syz3 mems_allowed=0
[  269.840580]  ? __lock_acquire+0x62f/0x4c20
[  269.840593]  ? should_fail+0x22d/0xd01
[  269.888413]  ? find_held_lock+0x36/0x1c0
[  269.892485]  ? mark_held_locks+0x130/0x130
[  269.896710]  ? mark_held_locks+0x130/0x130
[  269.900930]  ? zap_class+0x640/0x640
[  269.904720]  ? zap_class+0x640/0x640
[  269.908534]  ? print_usage_bug+0xc0/0xc0
[  269.912584]  ? do_raw_spin_unlock+0xa7/0x330
[  269.916994]  ? zap_class+0x640/0x640
[  269.920698]  ? print_usage_bug+0xc0/0xc0
[  269.924769]  ? wq_watchdog_touch+0x9c/0xfe
[  269.929012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.934550]  ? check_preemption_disabled+0x48/0x280
[  269.939583]  ? __lock_is_held+0xb5/0x140
[  269.943659]  __alloc_pages_nodemask+0xa80/0xde0
[  269.948319]  ? zap_class+0x640/0x640
[  269.952028]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  269.957052]  ? find_held_lock+0x36/0x1c0
[  269.961640]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.966306]  ? lock_downgrade+0x900/0x900
[  269.970456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.975991]  cache_grow_begin+0xa5/0x8c0
[  269.980044]  ? do_raw_spin_unlock+0xa7/0x330
[  269.984482]  fallback_alloc+0x204/0x2e0
[  269.988465]  ____cache_alloc_node+0x1c7/0x1e0
[  269.992961]  kmem_cache_alloc_node+0xe3/0x730
[  269.997455]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.001690]  __alloc_skb+0x119/0x770
[  270.005397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.010811]  ? netdev_alloc_frag+0x1f0/0x1f0
[  270.015214]  ? lock_downgrade+0x900/0x900
[  270.019358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.024884]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.030417]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.035862]  ? addrconf_rs_timer+0x690/0x690
[  270.040266]  ndisc_alloc_skb+0x144/0x340
[  270.044319]  ndisc_send_rs+0x331/0x6e0
[  270.048210]  addrconf_rs_timer+0x314/0x690
[  270.052480]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.056710]  call_timer_fn+0x272/0x920
[  270.060585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.064811]  ? process_timeout+0x40/0x40
[  270.068863]  ? __run_timers+0x7da/0xc70
[  270.072835]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.077321]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.081806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.086058]  ? lockdep_hardirqs_on+0x296/0x5b0
[  270.090650]  ? trace_hardirqs_on+0xbd/0x310
[  270.094966]  ? kasan_check_read+0x11/0x20
[  270.099104]  ? __run_timers+0x7da/0xc70
[  270.103074]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.108168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.112399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.116627]  __run_timers+0x7e5/0xc70
[  270.120434]  ? timer_fixup_init+0x70/0x70
[  270.124571]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.129078]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.133568]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.138139]  ? trace_hardirqs_on+0xbd/0x310
[  270.142452]  ? kasan_check_read+0x11/0x20
[  270.146589]  ? finish_task_switch+0x1f4/0x910
[  270.151073]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.156160]  ? compat_start_thread+0x80/0x80
[  270.160582]  ? pvclock_read_flags+0x160/0x160
[  270.165064]  ? __switch_to_asm+0x34/0x70
[  270.169123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.174657]  ? check_preemption_disabled+0x48/0x280
[  270.179758]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  270.185316]  ? rcu_pm_notify+0xc0/0xc0
[  270.189193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.194735]  ? check_preemption_disabled+0x48/0x280
[  270.199748]  run_timer_softirq+0x52/0xb0
[  270.203802]  ? rcu_read_lock_sched_held+0x14f/0x180
[  270.208822]  __do_softirq+0x308/0xb7e
[  270.212613]  ? trace_hardirqs_on_caller+0xc0/0x310
[  270.217536]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  270.222630]  ? trace_hardirqs_on+0x310/0x310
[  270.227029]  ? schedule+0x108/0x460
[  270.230717]  ? trace_hardirqs_off+0xb8/0x310
[  270.235115]  ? smpboot_thread_fn+0x68b/0xa00
[  270.239509]  ? trace_hardirqs_on+0x310/0x310
[  270.243907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.249434]  ? check_preemption_disabled+0x48/0x280
[  270.254456]  ? takeover_tasklets+0xa90/0xa90
[  270.258865]  run_ksoftirqd+0x5e/0x100
[  270.262653]  smpboot_thread_fn+0x68b/0xa00
[  270.266877]  ? sort_range+0x30/0x30
[  270.270489]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.275579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.281111]  ? __kthread_parkme+0xfb/0x1a0
[  270.285333]  ? sort_range+0x30/0x30
[  270.288950]  kthread+0x35a/0x440
[  270.292308]  ? kthread_stop+0x900/0x900
[  270.296272]  ret_from_fork+0x3a/0x50
[  270.299992] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  270.300054] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  270.307253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.307259] Call Trace:
[  270.313799] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  270.323059]  <IRQ>
[  270.325625] ksoftirqd/1 cpuset=/ mems_allowed=0
[  270.335918]  dump_stack+0x244/0x39d
[  270.346309]  ? dump_stack_print_info.cold.1+0x20/0x20
[  270.351496]  warn_alloc.cold.116+0xb7/0x1bd
[  270.355803]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.360640]  ? lock_downgrade+0x900/0x900
[  270.364780]  ? trace_hardirqs_off+0xb8/0x310
[  270.369181]  ? trace_hardirqs_off+0xb8/0x310
[  270.373590]  __alloc_pages_slowpath+0x26e8/0x2e10
[  270.378457]  ? warn_alloc+0x120/0x120
[  270.382251]  ? print_usage_bug+0xc0/0xc0
[  270.386300]  ? warn_alloc+0x120/0x120
[  270.390093]  ? warn_alloc+0x120/0x120
[  270.393901]  ? print_usage_bug+0xc0/0xc0
[  270.397949]  ? kvm_clock_read+0x18/0x30
[  270.401926]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  270.406929]  ? print_usage_bug+0xc0/0xc0
[  270.410987]  ? __lock_acquire+0x62f/0x4c20
[  270.415214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.420747]  ? should_fail+0x22d/0xd01
[  270.424630]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.429897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.434989]  ? __lock_acquire+0x62f/0x4c20
[  270.439216]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.444305]  ? __lock_acquire+0x62f/0x4c20
[  270.448527]  ? should_fail+0x22d/0xd01
[  270.452440]  ? rcu_irq_exit+0x1a2/0x390
[  270.456422]  ? mark_held_locks+0x130/0x130
[  270.460650]  ? mark_held_locks+0x130/0x130
[  270.464888]  ? mark_held_locks+0xc7/0x130
[  270.469021]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  270.474044]  ? zap_class+0x640/0x640
[  270.477747]  ? print_usage_bug+0xc0/0xc0
[  270.481799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.487344]  ? check_preemption_disabled+0x48/0x280
[  270.492355]  ? __lock_is_held+0xb5/0x140
[  270.496419]  __alloc_pages_nodemask+0xa80/0xde0
[  270.501073]  ? zap_class+0x640/0x640
[  270.504796]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  270.509816]  ? find_held_lock+0x36/0x1c0
[  270.513878]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.518537]  ? lock_downgrade+0x900/0x900
[  270.522678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.528209]  cache_grow_begin+0xa5/0x8c0
[  270.532260]  ? do_raw_spin_unlock+0xa7/0x330
[  270.536662]  fallback_alloc+0x204/0x2e0
[  270.540633]  ____cache_alloc_node+0x1c7/0x1e0
[  270.545121]  kmem_cache_alloc_node+0xe3/0x730
[  270.549605]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.553853]  __alloc_skb+0x119/0x770
[  270.557559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.562829]  ? netdev_alloc_frag+0x1f0/0x1f0
[  270.567229]  ? lock_downgrade+0x900/0x900
[  270.571374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.576928]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.582472]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.587941]  ? addrconf_rs_timer+0x690/0x690
[  270.592348]  ndisc_alloc_skb+0x144/0x340
[  270.596414]  ndisc_send_rs+0x331/0x6e0
[  270.600298]  addrconf_rs_timer+0x314/0x690
[  270.604527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.608763]  call_timer_fn+0x272/0x920
[  270.612640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.616864]  ? process_timeout+0x40/0x40
[  270.620922]  ? __run_timers+0x7da/0xc70
[  270.624904]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.629419]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.633911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.638136]  ? lockdep_hardirqs_on+0x296/0x5b0
[  270.642716]  ? trace_hardirqs_on+0xbd/0x310
[  270.647023]  ? kasan_check_read+0x11/0x20
[  270.651158]  ? __run_timers+0x7da/0xc70
[  270.655138]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.660232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.664458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.668678]  __run_timers+0x7e5/0xc70
[  270.672479]  ? timer_fixup_init+0x70/0x70
[  270.676620]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  270.681624]  ? zap_class+0x640/0x640
[  270.685345]  ? enqueue_hrtimer+0x1a5/0x560
[  270.689569]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  270.694751]  ? find_held_lock+0x36/0x1c0
[  270.698803]  ? zap_class+0x640/0x640
[  270.702509]  ? pvclock_read_flags+0x160/0x160
[  270.706992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.712515]  ? check_preemption_disabled+0x48/0x280
[  270.717526]  ? __lock_is_held+0xb5/0x140
[  270.721573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.727099]  ? check_preemption_disabled+0x48/0x280
[  270.732105]  run_timer_softirq+0x52/0xb0
[  270.736151]  ? rcu_read_lock_sched_held+0x14f/0x180
[  270.741161]  __do_softirq+0x308/0xb7e
[  270.744968]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  270.749448]  ? lock_downgrade+0x900/0x900
[  270.753593]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  270.758696]  ? pvclock_read_flags+0x160/0x160
[  270.763264]  ? lapic_next_event+0x5a/0x90
[  270.767405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.772942]  ? kvm_clock_read+0x18/0x30
[  270.776930]  ? kvm_sched_clock_read+0x9/0x20
[  270.781351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.786880]  ? check_preemption_disabled+0x48/0x280
[  270.791998]  irq_exit+0x17f/0x1c0
[  270.795456]  smp_apic_timer_interrupt+0x1cb/0x760
[  270.800295]  ? smp_reschedule_interrupt+0x109/0x650
[  270.805299]  ? smp_call_function_single_interrupt+0x650/0x650
[  270.811181]  ? interrupt_entry+0xb5/0xc0
[  270.815244]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.820247]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.825249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.830082]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.835101]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.840140]  ? task_prio+0x50/0x50
[  270.843670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.849196]  ? check_preemption_disabled+0x48/0x280
[  270.854210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.859043]  apic_timer_interrupt+0xf/0x20
[  270.863257]  </IRQ>
[  270.865484] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  270.870403] 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
[  270.889295] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  270.896987] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  270.904252] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  270.911526] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  270.918789] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  270.926051] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  270.933336]  skb_clone+0x1bb/0x500
[  270.936870]  ? finish_task_switch+0x2f4/0x910
[  270.941352]  ? skb_split+0x11e0/0x11e0
[  270.945234]  ? preempt_notifier_register+0x200/0x200
[  270.950337]  ? __switch_to_asm+0x34/0x70
[  270.954493]  ? __switch_to_asm+0x34/0x70
[  270.958558]  ? __switch_to_asm+0x40/0x70
[  270.962603]  ? __switch_to_asm+0x34/0x70
[  270.966651]  ? __switch_to_asm+0x40/0x70
[  270.970697]  ? __switch_to_asm+0x34/0x70
[  270.974752]  ? __switch_to_asm+0x40/0x70
[  270.978885]  ? __switch_to_asm+0x34/0x70
[  270.982932]  ? __switch_to_asm+0x34/0x70
[  270.986976]  ? __switch_to_asm+0x40/0x70
[  270.991029]  ? __switch_to_asm+0x34/0x70
[  270.995086]  bpf_clone_redirect+0xb9/0x490
[  270.999307]  ? __schedule+0x8d7/0x21d0
[  271.003194]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  271.008198]  ? __sched_text_start+0x8/0x8
[  271.012334]  ? retint_kernel+0x2d/0x2d
[  271.016215]  ? trace_hardirqs_on_caller+0xc0/0x310
[  271.021130]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.025876]  ? find_held_lock+0x36/0x1c0
[  271.029939]  ? lock_acquire+0x1ed/0x520
[  271.033903]  ? bpf_test_run+0x3cb/0x780
[  271.037883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.043413]  ? check_preemption_disabled+0x48/0x280
[  271.048419]  ? kasan_check_read+0x11/0x20
[  271.052562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.057826]  ? rcu_softirq_qs+0x20/0x20
[  271.061792]  ? preempt_schedule+0x4d/0x60
[  271.065934]  ? ___preempt_schedule+0x16/0x18
[  271.070332]  ? bpf_test_run+0x25d/0x780
[  271.074311]  ? netlink_diag_dump+0x2a0/0x2a0
[  271.078708]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.084239]  ? bpf_test_init.isra.10+0x70/0x100
[  271.088898]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  271.093647]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  271.098496]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.104018]  ? fput+0x130/0x1a0
[  271.107293]  ? __bpf_prog_get+0x9b/0x290
[  271.111357]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  271.116219]  ? bpf_prog_test_run+0x130/0x1a0
[  271.120616]  ? __x64_sys_bpf+0x3d8/0x520
[  271.124665]  ? bpf_prog_get+0x20/0x20
[  271.128620]  ? do_syscall_64+0x1b9/0x820
[  271.132698]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  271.138049]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.142967]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.147800]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.152806]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  271.157818]  ? prepare_exit_to_usermode+0x291/0x3b0
[  271.162831]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.167693]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  271.173057] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  271.173061] warn_alloc_show_mem: 1 callbacks suppressed
[  271.173066] Mem-Info:
[  271.179971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.185333] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  271.185333]  active_file:12 inactive_file:13 isolated_file:0
[  271.185333]  unevictable:0 dirty:0 writeback:0 unstable:0
[  271.185333]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  271.185333]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  271.185333]  free:13767 free_pcp:247 free_cma:0
[  271.187696] Call Trace:
[  271.197061] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  271.230074]  dump_stack+0x244/0x39d
[  271.232627] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  271.260278]  ? dump_stack_print_info.cold.1+0x20/0x20
[  271.263865] lowmem_reserve[]: 0 2818 6321 6321
[  271.290148]  warn_alloc.cold.116+0xb7/0x1bd
[  271.295294] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  271.299868]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.304148] lowmem_reserve[]: 0 0 3503 3503
[  271.332064]  ? lock_downgrade+0x900/0x900
[  271.336874] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  271.341181]  ? trace_hardirqs_off+0xb8/0x310
[  271.345284] lowmem_reserve[]: 0 0 0 0
[  271.374364]  ? trace_hardirqs_off+0xb8/0x310
[  271.378739] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  271.382523]  __alloc_pages_slowpath+0x26e8/0x2e10
[  271.386915] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  271.400440]  ? warn_alloc+0x120/0x120
[  271.405240] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  271.420418]  ? print_usage_bug+0xc0/0xc0
[  271.424186] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  271.439450]  ? warn_alloc+0x120/0x120
[  271.443495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  271.452331]  ? warn_alloc+0x120/0x120
[  271.456105] 2041 total pagecache pages
[  271.464656]  ? print_usage_bug+0xc0/0xc0
[  271.468430] 0 pages in swap cache
[  271.472292]  ? print_usage_bug+0xc0/0xc0
[  271.476344] Swap cache stats: add 0, delete 0, find 0/0
[  271.479788]  ? __lock_acquire+0x62f/0x4c20
[  271.483848] Free swap  = 0kB
[  271.489193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.493416] Total swap = 0kB
[  271.493422] 1965979 pages RAM
[  271.496423]  ? should_fail+0x22d/0xd01
[  271.501921] 0 pages HighMem/MovableOnly
[  271.501927] 342854 pages reserved
[  271.504925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.507994] 0 pages cma reserved
[  271.508052] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.511882]  ? __lock_acquire+0x62f/0x4c20
[  271.511915]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.511929]  ? __lock_acquire+0x62f/0x4c20
[  271.515954] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.519323]  ? should_fail+0x22d/0xd01
[  271.524404] syz-executor3 cpuset=syz3 mems_allowed=0
[  271.527749]  ? find_held_lock+0x36/0x1c0
[  271.571215]  ? mark_held_locks+0x130/0x130
[  271.575448]  ? mark_held_locks+0x130/0x130
[  271.579671]  ? zap_class+0x640/0x640
[  271.583377]  ? mark_held_locks+0xc7/0x130
[  271.587511]  ? do_raw_spin_unlock+0xa7/0x330
[  271.591926]  ? zap_class+0x640/0x640
[  271.595625]  ? print_usage_bug+0xc0/0xc0
[  271.599690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.605220]  ? check_preemption_disabled+0x48/0x280
[  271.610237]  ? __lock_is_held+0xb5/0x140
[  271.614309]  __alloc_pages_nodemask+0xa80/0xde0
[  271.618966]  ? zap_class+0x640/0x640
[  271.622672]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  271.627690]  ? find_held_lock+0x36/0x1c0
[  271.631748]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.636410]  ? lock_downgrade+0x900/0x900
[  271.640550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.646106]  cache_grow_begin+0xa5/0x8c0
[  271.650152]  ? do_raw_spin_unlock+0xa7/0x330
[  271.654561]  fallback_alloc+0x204/0x2e0
[  271.658528]  ____cache_alloc_node+0x1c7/0x1e0
[  271.663012]  kmem_cache_alloc_node+0xe3/0x730
[  271.667493]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.671738]  __alloc_skb+0x119/0x770
[  271.675439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.680704]  ? netdev_alloc_frag+0x1f0/0x1f0
[  271.685101]  ? lock_downgrade+0x900/0x900
[  271.689241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.694780]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.700222]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.705656]  ? addrconf_rs_timer+0x690/0x690
[  271.710145]  ndisc_alloc_skb+0x144/0x340
[  271.714197]  ndisc_send_rs+0x331/0x6e0
[  271.718078]  addrconf_rs_timer+0x314/0x690
[  271.722310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.726543]  call_timer_fn+0x272/0x920
[  271.730418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.734641]  ? process_timeout+0x40/0x40
[  271.738697]  ? __run_timers+0x7da/0xc70
[  271.742669]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.747149]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.751628]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.755860]  ? lockdep_hardirqs_on+0x296/0x5b0
[  271.760438]  ? trace_hardirqs_on+0xbd/0x310
[  271.764754]  ? kasan_check_read+0x11/0x20
[  271.768895]  ? __run_timers+0x7da/0xc70
[  271.772864]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.778066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.782301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.786617]  __run_timers+0x7e5/0xc70
[  271.790427]  ? timer_fixup_init+0x70/0x70
[  271.794570]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.799048]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.803533]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  271.808120]  ? trace_hardirqs_on+0xbd/0x310
[  271.812517]  ? kasan_check_read+0x11/0x20
[  271.816656]  ? finish_task_switch+0x1f4/0x910
[  271.821223]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.826318]  ? compat_start_thread+0x80/0x80
[  271.830728]  ? pvclock_read_flags+0x160/0x160
[  271.835331]  ? __switch_to_asm+0x34/0x70
[  271.839385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.844907]  ? check_preemption_disabled+0x48/0x280
[  271.849920]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  271.855475]  ? rcu_pm_notify+0xc0/0xc0
[  271.859352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.864885]  ? check_preemption_disabled+0x48/0x280
[  271.869892]  run_timer_softirq+0x52/0xb0
[  271.873940]  ? rcu_read_lock_sched_held+0x14f/0x180
[  271.878972]  __do_softirq+0x308/0xb7e
[  271.882784]  ? trace_hardirqs_on_caller+0xc0/0x310
[  271.887705]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  271.892819]  ? trace_hardirqs_on+0x310/0x310
[  271.897218]  ? schedule+0x108/0x460
[  271.900837]  ? trace_hardirqs_off+0xb8/0x310
[  271.905232]  ? smpboot_thread_fn+0x68b/0xa00
[  271.909645]  ? trace_hardirqs_on+0x310/0x310
[  271.914044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.919572]  ? check_preemption_disabled+0x48/0x280
[  271.924604]  ? takeover_tasklets+0xa90/0xa90
[  271.929003]  run_ksoftirqd+0x5e/0x100
[  271.932797]  smpboot_thread_fn+0x68b/0xa00
[  271.937019]  ? sort_range+0x30/0x30
[  271.940649]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  271.945739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.951294]  ? __kthread_parkme+0xfb/0x1a0
[  271.955529]  ? sort_range+0x30/0x30
[  271.959372]  kthread+0x35a/0x440
[  271.962733]  ? kthread_stop+0x900/0x900
[  271.966706]  ret_from_fork+0x3a/0x50
[  271.970420] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  271.970474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.977676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.977682] Call Trace:
[  271.984218] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.993484]  <IRQ>
[  271.996061] ksoftirqd/1 cpuset=/ mems_allowed=0
[  272.006356]  dump_stack+0x244/0x39d
[  272.016769]  ? dump_stack_print_info.cold.1+0x20/0x20
[  272.021973]  warn_alloc.cold.116+0xb7/0x1bd
[  272.026299]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.031134]  ? lock_downgrade+0x900/0x900
[  272.035299]  ? trace_hardirqs_off+0xb8/0x310
[  272.039715]  ? trace_hardirqs_off+0xb8/0x310
[  272.044121]  __alloc_pages_slowpath+0x26e8/0x2e10
[  272.048992]  ? warn_alloc+0x120/0x120
[  272.052787]  ? warn_alloc+0x120/0x120
[  272.056575]  ? zap_class+0x640/0x640
[  272.060296]  ? warn_alloc+0x120/0x120
[  272.064115]  ? print_usage_bug+0xc0/0xc0
[  272.068171]  ? idle_cpu+0x1d0/0x1d0
[  272.071876]  ? kvm_sched_clock_read+0x9/0x20
[  272.076281]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.081299]  ? print_usage_bug+0xc0/0xc0
[  272.085354]  ? __lock_is_held+0xb5/0x140
[  272.089438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.094980]  ? should_fail+0x22d/0xd01
[  272.098860]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.103948]  ? __lock_acquire+0x62f/0x4c20
[  272.108180]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.113284]  ? __lock_acquire+0x62f/0x4c20
[  272.117514]  ? should_fail+0x22d/0xd01
[  272.121393]  ? mark_held_locks+0x130/0x130
[  272.125617]  ? mark_held_locks+0x130/0x130
[  272.129838]  ? __enqueue_entity+0x10d/0x1f0
[  272.134156]  ? zap_class+0x640/0x640
[  272.137859]  ? print_usage_bug+0xc0/0xc0
[  272.141931]  ? __lock_acquire+0x62f/0x4c20
[  272.146152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.151675]  ? check_preemption_disabled+0x48/0x280
[  272.156685]  ? __lock_is_held+0xb5/0x140
[  272.160739]  __alloc_pages_nodemask+0xa80/0xde0
[  272.165394]  ? zap_class+0x640/0x640
[  272.169120]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  272.174135]  ? find_held_lock+0x36/0x1c0
[  272.178197]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.182890]  ? lock_downgrade+0x900/0x900
[  272.187031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.192561]  cache_grow_begin+0xa5/0x8c0
[  272.196606]  ? do_raw_spin_unlock+0xa7/0x330
[  272.201006]  fallback_alloc+0x204/0x2e0
[  272.204971]  ____cache_alloc_node+0x1c7/0x1e0
[  272.209459]  kmem_cache_alloc_node+0xe3/0x730
[  272.213944]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.218206]  __alloc_skb+0x119/0x770
[  272.221920]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.227188]  ? netdev_alloc_frag+0x1f0/0x1f0
[  272.231581]  ? lock_downgrade+0x900/0x900
[  272.235719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.241241]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.246686]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.252125]  ? addrconf_rs_timer+0x690/0x690
[  272.256537]  ndisc_alloc_skb+0x144/0x340
[  272.260591]  ndisc_send_rs+0x331/0x6e0
[  272.264505]  addrconf_rs_timer+0x314/0x690
[  272.268755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.272983]  call_timer_fn+0x272/0x920
[  272.276856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.281082]  ? process_timeout+0x40/0x40
[  272.285153]  ? __run_timers+0x7da/0xc70
[  272.289128]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.293611]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.298178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.302400]  ? lockdep_hardirqs_on+0x296/0x5b0
[  272.306972]  ? trace_hardirqs_on+0xbd/0x310
[  272.311285]  ? kasan_check_read+0x11/0x20
[  272.315441]  ? __run_timers+0x7da/0xc70
[  272.319406]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.324507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.328724]  __run_timers+0x7e5/0xc70
[  272.332517]  ? timer_fixup_init+0x70/0x70
[  272.336656]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.341659]  ? zap_class+0x640/0x640
[  272.345386]  ? enqueue_hrtimer+0x1a5/0x560
[  272.349625]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  272.354807]  ? find_held_lock+0x36/0x1c0
[  272.358862]  ? zap_class+0x640/0x640
[  272.362566]  ? pvclock_read_flags+0x160/0x160
[  272.367057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.372580]  ? check_preemption_disabled+0x48/0x280
[  272.377591]  ? __lock_is_held+0xb5/0x140
[  272.381639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.387197]  ? check_preemption_disabled+0x48/0x280
[  272.392212]  run_timer_softirq+0x52/0xb0
[  272.396272]  ? rcu_read_lock_sched_held+0x14f/0x180
[  272.401285]  __do_softirq+0x308/0xb7e
[  272.405078]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  272.409572]  ? lock_downgrade+0x900/0x900
[  272.413711]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  272.418804]  ? pvclock_read_flags+0x160/0x160
[  272.423290]  ? lapic_next_event+0x5a/0x90
[  272.427427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.433043]  ? kvm_clock_read+0x18/0x30
[  272.437004]  ? kvm_sched_clock_read+0x9/0x20
[  272.441403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.447105]  ? check_preemption_disabled+0x48/0x280
[  272.452119]  irq_exit+0x17f/0x1c0
[  272.455562]  smp_apic_timer_interrupt+0x1cb/0x760
[  272.460397]  ? smp_reschedule_interrupt+0x109/0x650
[  272.465399]  ? smp_call_function_single_interrupt+0x650/0x650
[  272.471276]  ? interrupt_entry+0xb5/0xc0
[  272.475333]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.480337]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.485341]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.490174]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.495174]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.500184]  ? task_prio+0x50/0x50
[  272.503714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.509250]  ? check_preemption_disabled+0x48/0x280
[  272.514268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.519109]  apic_timer_interrupt+0xf/0x20
[  272.523323]  </IRQ>
[  272.525546] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  272.530461] 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
[  272.549357] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  272.557056] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  272.564364] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  272.571631] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  272.579008] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  272.586263] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  272.593544]  skb_clone+0x1bb/0x500
[  272.597087]  ? finish_task_switch+0x2f4/0x910
[  272.601570]  ? skb_split+0x11e0/0x11e0
[  272.605444]  ? preempt_notifier_register+0x200/0x200
[  272.610529]  ? __switch_to_asm+0x34/0x70
[  272.614577]  ? __switch_to_asm+0x34/0x70
[  272.618634]  ? __switch_to_asm+0x40/0x70
[  272.622680]  ? __switch_to_asm+0x34/0x70
[  272.626726]  ? __switch_to_asm+0x40/0x70
[  272.630771]  ? __switch_to_asm+0x34/0x70
[  272.634814]  ? __switch_to_asm+0x40/0x70
[  272.638965]  ? __switch_to_asm+0x34/0x70
[  272.643010]  ? __switch_to_asm+0x34/0x70
[  272.647057]  ? __switch_to_asm+0x40/0x70
[  272.651102]  ? __switch_to_asm+0x34/0x70
[  272.655151]  bpf_clone_redirect+0xb9/0x490
[  272.659381]  ? __schedule+0x8d7/0x21d0
[  272.663276]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  272.668285]  ? __sched_text_start+0x8/0x8
[  272.672431]  ? retint_kernel+0x2d/0x2d
[  272.676313]  ? trace_hardirqs_on_caller+0xc0/0x310
[  272.681236]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  272.685991]  ? find_held_lock+0x36/0x1c0
[  272.690052]  ? lock_acquire+0x1ed/0x520
[  272.694020]  ? bpf_test_run+0x3cb/0x780
[  272.697981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.703508]  ? check_preemption_disabled+0x48/0x280
[  272.708600]  ? kasan_check_read+0x11/0x20
[  272.712733]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.718008]  ? rcu_softirq_qs+0x20/0x20
[  272.721972]  ? preempt_schedule+0x4d/0x60
[  272.726109]  ? ___preempt_schedule+0x16/0x18
[  272.730509]  ? bpf_test_run+0x25d/0x780
[  272.734492]  ? netlink_diag_dump+0x2a0/0x2a0
[  272.738890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.744455]  ? bpf_test_init.isra.10+0x70/0x100
[  272.749113]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  272.753864]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  272.758698]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  272.764244]  ? fput+0x130/0x1a0
[  272.767510]  ? __bpf_prog_get+0x9b/0x290
[  272.771573]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  272.776420]  ? bpf_prog_test_run+0x130/0x1a0
[  272.780825]  ? __x64_sys_bpf+0x3d8/0x520
[  272.784874]  ? bpf_prog_get+0x20/0x20
[  272.788790]  ? do_syscall_64+0x1b9/0x820
[  272.792834]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  272.798187]  ? syscall_return_slowpath+0x5e0/0x5e0
[  272.803108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.807945]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.812968]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  272.817974]  ? prepare_exit_to_usermode+0x291/0x3b0
[  272.822981]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.827818]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  272.833181] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  272.833184] warn_alloc_show_mem: 1 callbacks suppressed
[  272.833189] Mem-Info:
[  272.840096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.840102] Call Trace:
[  272.845468] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  272.845468]  active_file:12 inactive_file:13 isolated_file:0
[  272.845468]  unevictable:0 dirty:0 writeback:0 unstable:0
[  272.845468]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  272.845468]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  272.845468]  free:13767 free_pcp:247 free_cma:0
[  272.847842]  dump_stack+0x244/0x39d
[  272.857215] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  272.859779]  ? dump_stack_print_info.cold.1+0x20/0x20
[  272.892794] 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
[  272.896410]  warn_alloc.cold.116+0xb7/0x1bd
[  272.924230] lowmem_reserve[]: 0 2818 6321 6321
[  272.929425]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.955497] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  272.959821]  ? lock_downgrade+0x900/0x900
[  272.964372] lowmem_reserve[]: 0 0 3503 3503
[  272.969208]  ? trace_hardirqs_off+0xb8/0x310
[  272.997017] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  273.001152]  ? trace_hardirqs_off+0xb8/0x310
[  273.005431] lowmem_reserve[]: 0 0 0 0
[  273.009837]  __alloc_pages_slowpath+0x26e8/0x2e10
[  273.038794] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  273.043209]  ? warn_alloc+0x120/0x120
[  273.046958] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  273.051789]  ? print_usage_bug+0xc0/0xc0
[  273.065277] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  273.069066]  ? warn_alloc+0x120/0x120
[  273.084316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  273.088354]  ? warn_alloc+0x120/0x120
[  273.103587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  273.107375]  ? print_usage_bug+0xc0/0xc0
[  273.116174] 2041 total pagecache pages
[  273.119960]  ? print_usage_bug+0xc0/0xc0
[  273.128674] 0 pages in swap cache
[  273.132722]  ? __lock_acquire+0x62f/0x4c20
[  273.136587] Swap cache stats: add 0, delete 0, find 0/0
[  273.140625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.144043] Free swap  = 0kB
[  273.148266]  ? should_fail+0x22d/0xd01
[  273.153608] Total swap = 0kB
[  273.153614] 1965979 pages RAM
[  273.159138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.162122] 0 pages HighMem/MovableOnly
[  273.162128] 342854 pages reserved
[  273.165996]  ? __lock_acquire+0x62f/0x4c20
[  273.168981] 0 pages cma reserved
[  273.172065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.177199] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.181080]  ? __lock_acquire+0x62f/0x4c20
[  273.181091]  ? should_fail+0x22d/0xd01
[  273.181105]  ? find_held_lock+0x36/0x1c0
[  273.184574] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.188766]  ? mark_held_locks+0x130/0x130
[  273.192114] syz-executor3 cpuset=syz3 mems_allowed=0
[  273.197206]  ? mark_held_locks+0x130/0x130
[  273.239746]  ? zap_class+0x640/0x640
[  273.243449]  ? mark_held_locks+0xc7/0x130
[  273.247585]  ? do_raw_spin_unlock+0xa7/0x330
[  273.251979]  ? zap_class+0x640/0x640
[  273.255683]  ? print_usage_bug+0xc0/0xc0
[  273.259746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.265270]  ? check_preemption_disabled+0x48/0x280
[  273.270280]  ? __lock_is_held+0xb5/0x140
[  273.274335]  __alloc_pages_nodemask+0xa80/0xde0
[  273.278992]  ? zap_class+0x640/0x640
[  273.282699]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  273.287712]  ? find_held_lock+0x36/0x1c0
[  273.291765]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.296421]  ? lock_downgrade+0x900/0x900
[  273.300559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.306085]  cache_grow_begin+0xa5/0x8c0
[  273.310146]  ? do_raw_spin_unlock+0xa7/0x330
[  273.314555]  fallback_alloc+0x204/0x2e0
[  273.318520]  ____cache_alloc_node+0x1c7/0x1e0
[  273.323007]  kmem_cache_alloc_node+0xe3/0x730
[  273.327489]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.331718]  __alloc_skb+0x119/0x770
[  273.335422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.340776]  ? netdev_alloc_frag+0x1f0/0x1f0
[  273.345178]  ? lock_downgrade+0x900/0x900
[  273.349341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.354867]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.360312]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.365752]  ? addrconf_rs_timer+0x690/0x690
[  273.370186]  ndisc_alloc_skb+0x144/0x340
[  273.374263]  ndisc_send_rs+0x331/0x6e0
[  273.378142]  addrconf_rs_timer+0x314/0x690
[  273.382386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.386617]  call_timer_fn+0x272/0x920
[  273.390493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.394715]  ? process_timeout+0x40/0x40
[  273.398785]  ? __run_timers+0x7da/0xc70
[  273.402746]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.407225]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.411704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.415924]  ? lockdep_hardirqs_on+0x296/0x5b0
[  273.420498]  ? trace_hardirqs_on+0xbd/0x310
[  273.424805]  ? kasan_check_read+0x11/0x20
[  273.428945]  ? __run_timers+0x7da/0xc70
[  273.433438]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.438537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.442766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.447000]  __run_timers+0x7e5/0xc70
[  273.450827]  ? timer_fixup_init+0x70/0x70
[  273.454972]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.459458]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.463940]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  273.468511]  ? trace_hardirqs_on+0xbd/0x310
[  273.472816]  ? kasan_check_read+0x11/0x20
[  273.476982]  ? finish_task_switch+0x1f4/0x910
[  273.481476]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.486575]  ? compat_start_thread+0x80/0x80
[  273.490987]  ? pvclock_read_flags+0x160/0x160
[  273.495471]  ? __switch_to_asm+0x34/0x70
[  273.499522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.505047]  ? check_preemption_disabled+0x48/0x280
[  273.510060]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  273.515601]  ? rcu_pm_notify+0xc0/0xc0
[  273.519479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.525005]  ? check_preemption_disabled+0x48/0x280
[  273.530040]  run_timer_softirq+0x52/0xb0
[  273.534086]  ? rcu_read_lock_sched_held+0x14f/0x180
[  273.539088]  __do_softirq+0x308/0xb7e
[  273.542879]  ? trace_hardirqs_on_caller+0xc0/0x310
[  273.547800]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  273.552898]  ? trace_hardirqs_on+0x310/0x310
[  273.557299]  ? schedule+0x108/0x460
[  273.560923]  ? trace_hardirqs_off+0xb8/0x310
[  273.565319]  ? smpboot_thread_fn+0x68b/0xa00
[  273.569715]  ? trace_hardirqs_on+0x310/0x310
[  273.574119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.579654]  ? check_preemption_disabled+0x48/0x280
[  273.584674]  ? takeover_tasklets+0xa90/0xa90
[  273.589075]  run_ksoftirqd+0x5e/0x100
[  273.592861]  smpboot_thread_fn+0x68b/0xa00
[  273.597093]  ? sort_range+0x30/0x30
[  273.600713]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  273.605804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.611343]  ? __kthread_parkme+0xfb/0x1a0
[  273.615586]  ? sort_range+0x30/0x30
[  273.619200]  kthread+0x35a/0x440
[  273.622551]  ? kthread_stop+0x900/0x900
[  273.626512]  ret_from_fork+0x3a/0x50
[  273.630230] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  273.630282] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.637486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.637493] Call Trace:
[  273.644024] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.653290]  <IRQ>
[  273.655846] ksoftirqd/1 cpuset=/ mems_allowed=0
[  273.666143]  dump_stack+0x244/0x39d
[  273.676528]  ? dump_stack_print_info.cold.1+0x20/0x20
[  273.681711]  warn_alloc.cold.116+0xb7/0x1bd
[  273.686023]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.690856]  ? lock_downgrade+0x900/0x900
[  273.695004]  ? trace_hardirqs_off+0xb8/0x310
[  273.699404]  ? trace_hardirqs_off+0xb8/0x310
[  273.703806]  __alloc_pages_slowpath+0x26e8/0x2e10
[  273.708655]  ? warn_alloc+0x120/0x120
[  273.712445]  ? print_usage_bug+0xc0/0xc0
[  273.716492]  ? warn_alloc+0x120/0x120
[  273.720282]  ? warn_alloc+0x120/0x120
[  273.724072]  ? print_usage_bug+0xc0/0xc0
[  273.728122]  ? print_usage_bug+0xc0/0xc0
[  273.732184]  ? __lock_acquire+0x62f/0x4c20
[  273.736411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.741933]  ? should_fail+0x22d/0xd01
[  273.745809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.750917]  ? __lock_acquire+0x62f/0x4c20
[  273.755161]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.760253]  ? __lock_acquire+0x62f/0x4c20
[  273.764478]  ? should_fail+0x22d/0xd01
[  273.768349]  ? find_held_lock+0x36/0x1c0
[  273.772403]  ? mark_held_locks+0x130/0x130
[  273.776632]  ? mark_held_locks+0x130/0x130
[  273.780887]  ? zap_class+0x640/0x640
[  273.784591]  ? zap_class+0x640/0x640
[  273.788291]  ? print_usage_bug+0xc0/0xc0
[  273.792335]  ? do_raw_spin_unlock+0xa7/0x330
[  273.796732]  ? zap_class+0x640/0x640
[  273.800436]  ? print_usage_bug+0xc0/0xc0
[  273.804482]  ? wq_watchdog_touch+0x9c/0xfe
[  273.808704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.814269]  ? check_preemption_disabled+0x48/0x280
[  273.819279]  ? __lock_is_held+0xb5/0x140
[  273.823331]  __alloc_pages_nodemask+0xa80/0xde0
[  273.827987]  ? zap_class+0x640/0x640
[  273.831716]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  273.836740]  ? find_held_lock+0x36/0x1c0
[  273.840801]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.845455]  ? lock_downgrade+0x900/0x900
[  273.849597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.855132]  cache_grow_begin+0xa5/0x8c0
[  273.859183]  ? do_raw_spin_unlock+0xa7/0x330
[  273.863608]  fallback_alloc+0x204/0x2e0
[  273.867574]  ____cache_alloc_node+0x1c7/0x1e0
[  273.872066]  kmem_cache_alloc_node+0xe3/0x730
[  273.876547]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.880776]  __alloc_skb+0x119/0x770
[  273.884475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.889768]  ? netdev_alloc_frag+0x1f0/0x1f0
[  273.894162]  ? lock_downgrade+0x900/0x900
[  273.898310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.903834]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.909272]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.914708]  ? addrconf_rs_timer+0x690/0x690
[  273.919117]  ndisc_alloc_skb+0x144/0x340
[  273.923178]  ndisc_send_rs+0x331/0x6e0
[  273.927054]  addrconf_rs_timer+0x314/0x690
[  273.931290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.935525]  call_timer_fn+0x272/0x920
[  273.939396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.943614]  ? process_timeout+0x40/0x40
[  273.947667]  ? __run_timers+0x7da/0xc70
[  273.951627]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.956124]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.962105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.966368]  ? lockdep_hardirqs_on+0x296/0x5b0
[  273.970942]  ? trace_hardirqs_on+0xbd/0x310
[  273.975251]  ? kasan_check_read+0x11/0x20
[  273.979387]  ? __run_timers+0x7da/0xc70
[  273.983355]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.988456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.992683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.996901]  __run_timers+0x7e5/0xc70
[  274.000694]  ? timer_fixup_init+0x70/0x70
[  274.004838]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.009849]  ? zap_class+0x640/0x640
[  274.013552]  ? enqueue_hrtimer+0x1a5/0x560
[  274.017778]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  274.022957]  ? find_held_lock+0x36/0x1c0
[  274.027011]  ? zap_class+0x640/0x640
[  274.030713]  ? pvclock_read_flags+0x160/0x160
[  274.035198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.040726]  ? check_preemption_disabled+0x48/0x280
[  274.045746]  ? __lock_is_held+0xb5/0x140
[  274.049792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.055314]  ? check_preemption_disabled+0x48/0x280
[  274.060328]  run_timer_softirq+0x52/0xb0
[  274.064375]  ? rcu_read_lock_sched_held+0x14f/0x180
[  274.069379]  __do_softirq+0x308/0xb7e
[  274.073255]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  274.077737]  ? lock_downgrade+0x900/0x900
[  274.081883]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  274.087544]  ? pvclock_read_flags+0x160/0x160
[  274.092025]  ? lapic_next_event+0x5a/0x90
[  274.096162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.101688]  ? kvm_clock_read+0x18/0x30
[  274.105656]  ? kvm_sched_clock_read+0x9/0x20
[  274.110050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.115573]  ? check_preemption_disabled+0x48/0x280
[  274.120592]  irq_exit+0x17f/0x1c0
[  274.124035]  smp_apic_timer_interrupt+0x1cb/0x760
[  274.128877]  ? smp_reschedule_interrupt+0x109/0x650
[  274.133885]  ? smp_call_function_single_interrupt+0x650/0x650
[  274.139758]  ? interrupt_entry+0xb5/0xc0
[  274.143805]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.148821]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.153836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.158666]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.163667]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.168671]  ? task_prio+0x50/0x50
[  274.172198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.177724]  ? check_preemption_disabled+0x48/0x280
[  274.182829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.187666]  apic_timer_interrupt+0xf/0x20
[  274.191883]  </IRQ>
[  274.194116] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  274.199035] 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
[  274.217921] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  274.225620] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  274.232877] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  274.240147] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  274.247404] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  274.254672] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  274.261954]  skb_clone+0x1bb/0x500
[  274.265484]  ? finish_task_switch+0x2f4/0x910
[  274.269968]  ? skb_split+0x11e0/0x11e0
[  274.273844]  ? preempt_notifier_register+0x200/0x200
[  274.278931]  ? __switch_to_asm+0x34/0x70
[  274.282977]  ? __switch_to_asm+0x34/0x70
[  274.287025]  ? __switch_to_asm+0x40/0x70
[  274.291091]  ? __switch_to_asm+0x34/0x70
[  274.295293]  ? __switch_to_asm+0x40/0x70
[  274.299339]  ? __switch_to_asm+0x34/0x70
[  274.303390]  ? __switch_to_asm+0x40/0x70
[  274.307433]  ? __switch_to_asm+0x34/0x70
[  274.311477]  ? __switch_to_asm+0x34/0x70
[  274.315524]  ? __switch_to_asm+0x40/0x70
[  274.319584]  ? __switch_to_asm+0x34/0x70
[  274.323644]  bpf_clone_redirect+0xb9/0x490
[  274.327873]  ? __schedule+0x8d7/0x21d0
[  274.331753]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  274.336754]  ? __sched_text_start+0x8/0x8
[  274.340891]  ? retint_kernel+0x2d/0x2d
[  274.344770]  ? trace_hardirqs_on_caller+0xc0/0x310
[  274.349716]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  274.354466]  ? find_held_lock+0x36/0x1c0
[  274.358524]  ? lock_acquire+0x1ed/0x520
[  274.362500]  ? bpf_test_run+0x3cb/0x780
[  274.366462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.371986]  ? check_preemption_disabled+0x48/0x280
[  274.376996]  ? kasan_check_read+0x11/0x20
[  274.381136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.386399]  ? rcu_softirq_qs+0x20/0x20
[  274.390378]  ? preempt_schedule+0x4d/0x60
[  274.394512]  ? ___preempt_schedule+0x16/0x18
[  274.398914]  ? bpf_test_run+0x25d/0x780
[  274.402984]  ? netlink_diag_dump+0x2a0/0x2a0
[  274.407382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.412903]  ? bpf_test_init.isra.10+0x70/0x100
[  274.417562]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  274.422318]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  274.427163]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  274.432696]  ? fput+0x130/0x1a0
[  274.435962]  ? __bpf_prog_get+0x9b/0x290
[  274.440104]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  274.444937]  ? bpf_prog_test_run+0x130/0x1a0
[  274.449339]  ? __x64_sys_bpf+0x3d8/0x520
[  274.453525]  ? bpf_prog_get+0x20/0x20
[  274.457329]  ? do_syscall_64+0x1b9/0x820
[  274.461379]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  274.466733]  ? syscall_return_slowpath+0x5e0/0x5e0
[  274.471648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.476480]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.481483]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  274.486487]  ? prepare_exit_to_usermode+0x291/0x3b0
[  274.491494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.496327]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  274.501687] warn_alloc_show_mem: 1 callbacks suppressed
[  274.501695] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  274.501696] Mem-Info:
[  274.501721] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  274.501721]  active_file:12 inactive_file:13 isolated_file:0
[  274.501721]  unevictable:0 dirty:0 writeback:0 unstable:0
[  274.501721]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  274.501721]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  274.501721]  free:13767 free_pcp:247 free_cma:0
[  274.507048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.507054] Call Trace:
[  274.513976] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  274.516367]  dump_stack+0x244/0x39d
[  274.549381] 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
[  274.558720]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.561267] lowmem_reserve[]: 0 2818 6321 6321
[  274.588931]  warn_alloc.cold.116+0xb7/0x1bd
[  274.592521] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  274.618610]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.623760] lowmem_reserve[]: 0 0 3503 3503
[  274.628357]  ? lock_downgrade+0x900/0x900
[  274.632651] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  274.660478]  ? trace_hardirqs_off+0xb8/0x310
[  274.665280] lowmem_reserve[]: 0 0 0 0
[  274.669592]  ? trace_hardirqs_off+0xb8/0x310
[  274.673702] 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
[  274.702660]  __alloc_pages_slowpath+0x26e8/0x2e10
[  274.707027] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  274.710841]  ? warn_alloc+0x120/0x120
[  274.715196] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  274.728721]  ? print_usage_bug+0xc0/0xc0
[  274.733534] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  274.748678]  ? warn_alloc+0x120/0x120
[  274.752470] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  274.752477] 2041 total pagecache pages
[  274.767721]  ? warn_alloc+0x120/0x120
[  274.771760] 0 pages in swap cache
[  274.780570]  ? print_usage_bug+0xc0/0xc0
[  274.784342] Swap cache stats: add 0, delete 0, find 0/0
[  274.784348] Free swap  = 0kB
[  274.792901]  ? print_usage_bug+0xc0/0xc0
[  274.796848] Total swap = 0kB
[  274.796854] 1965979 pages RAM
[  274.800660]  ? __lock_acquire+0x62f/0x4c20
[  274.804075] 0 pages HighMem/MovableOnly
[  274.804081] 342854 pages reserved
[  274.808125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.813450] 0 pages cma reserved
[  274.813509] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.816454]  ? should_fail+0x22d/0xd01
[  274.820746] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.823682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.826753] syz-executor3 cpuset=syz3 mems_allowed=0
[  274.830972]  ? __lock_acquire+0x62f/0x4c20
[  274.882351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.887441]  ? __lock_acquire+0x62f/0x4c20
[  274.891663]  ? should_fail+0x22d/0xd01
[  274.895535]  ? find_held_lock+0x36/0x1c0
[  274.899591]  ? mark_held_locks+0x130/0x130
[  274.903819]  ? mark_held_locks+0x130/0x130
[  274.908058]  ? zap_class+0x640/0x640
[  274.911783]  ? mark_held_locks+0xc7/0x130
[  274.915944]  ? do_raw_spin_unlock+0xa7/0x330
[  274.920338]  ? zap_class+0x640/0x640
[  274.924045]  ? print_usage_bug+0xc0/0xc0
[  274.928102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.933626]  ? check_preemption_disabled+0x48/0x280
[  274.938643]  ? __lock_is_held+0xb5/0x140
[  274.942698]  __alloc_pages_nodemask+0xa80/0xde0
[  274.947356]  ? zap_class+0x640/0x640
[  274.951071]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  274.956083]  ? find_held_lock+0x36/0x1c0
[  274.960141]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.964799]  ? lock_downgrade+0x900/0x900
[  274.968946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.974478]  cache_grow_begin+0xa5/0x8c0
[  274.978539]  ? do_raw_spin_unlock+0xa7/0x330
[  274.983040]  fallback_alloc+0x204/0x2e0
[  274.987017]  ____cache_alloc_node+0x1c7/0x1e0
[  274.991623]  kmem_cache_alloc_node+0xe3/0x730
[  274.996111]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.000339]  __alloc_skb+0x119/0x770
[  275.004046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.009316]  ? netdev_alloc_frag+0x1f0/0x1f0
[  275.013797]  ? lock_downgrade+0x900/0x900
[  275.017961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.023485]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.028944]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.034400]  ? addrconf_rs_timer+0x690/0x690
[  275.038811]  ndisc_alloc_skb+0x144/0x340
[  275.042883]  ndisc_send_rs+0x331/0x6e0
[  275.046768]  addrconf_rs_timer+0x314/0x690
[  275.050993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.055240]  call_timer_fn+0x272/0x920
[  275.059122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.063342]  ? process_timeout+0x40/0x40
[  275.067404]  ? __run_timers+0x7da/0xc70
[  275.071364]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.075857]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.080345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.084564]  ? lockdep_hardirqs_on+0x296/0x5b0
[  275.089137]  ? trace_hardirqs_on+0xbd/0x310
[  275.093442]  ? kasan_check_read+0x11/0x20
[  275.097576]  ? __run_timers+0x7da/0xc70
[  275.101540]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.106640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.110867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.115096]  __run_timers+0x7e5/0xc70
[  275.118889]  ? timer_fixup_init+0x70/0x70
[  275.123034]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.128063]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.132552]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  275.137124]  ? trace_hardirqs_on+0xbd/0x310
[  275.141520]  ? kasan_check_read+0x11/0x20
[  275.145674]  ? finish_task_switch+0x1f4/0x910
[  275.150159]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.155263]  ? compat_start_thread+0x80/0x80
[  275.159675]  ? pvclock_read_flags+0x160/0x160
[  275.164176]  ? __switch_to_asm+0x34/0x70
[  275.168230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.173759]  ? check_preemption_disabled+0x48/0x280
[  275.178771]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  275.184297]  ? rcu_pm_notify+0xc0/0xc0
[  275.188174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.193787]  ? check_preemption_disabled+0x48/0x280
[  275.198792]  run_timer_softirq+0x52/0xb0
[  275.202839]  ? rcu_read_lock_sched_held+0x14f/0x180
[  275.207845]  __do_softirq+0x308/0xb7e
[  275.211636]  ? trace_hardirqs_on_caller+0xc0/0x310
[  275.216562]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  275.221652]  ? trace_hardirqs_on+0x310/0x310
[  275.226052]  ? schedule+0x108/0x460
[  275.229673]  ? trace_hardirqs_off+0xb8/0x310
[  275.234081]  ? smpboot_thread_fn+0x68b/0xa00
[  275.238476]  ? trace_hardirqs_on+0x310/0x310
[  275.242872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.248398]  ? check_preemption_disabled+0x48/0x280
[  275.253402]  ? takeover_tasklets+0xa90/0xa90
[  275.257821]  run_ksoftirqd+0x5e/0x100
[  275.261608]  smpboot_thread_fn+0x68b/0xa00
[  275.265837]  ? sort_range+0x30/0x30
[  275.269472]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.274564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.280092]  ? __kthread_parkme+0xfb/0x1a0
[  275.284315]  ? sort_range+0x30/0x30
[  275.287941]  kthread+0x35a/0x440
[  275.291311]  ? kthread_stop+0x900/0x900
[  275.295276]  ret_from_fork+0x3a/0x50
[  275.298993] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  275.299072] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.306276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.306282] Call Trace:
[  275.312816] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.322089]  <IRQ>
[  275.324645] ksoftirqd/1 cpuset=/ mems_allowed=0
[  275.334934]  dump_stack+0x244/0x39d
[  275.345307]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.350493]  warn_alloc.cold.116+0xb7/0x1bd
[  275.354804]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.359724]  ? lock_downgrade+0x900/0x900
[  275.363872]  ? trace_hardirqs_off+0xb8/0x310
[  275.368287]  ? trace_hardirqs_off+0xb8/0x310
[  275.372686]  __alloc_pages_slowpath+0x26e8/0x2e10
[  275.377535]  ? warn_alloc+0x120/0x120
[  275.381411]  ? print_usage_bug+0xc0/0xc0
[  275.385460]  ? warn_alloc+0x120/0x120
[  275.389250]  ? warn_alloc+0x120/0x120
[  275.393049]  ? print_usage_bug+0xc0/0xc0
[  275.397098]  ? kvm_clock_read+0x18/0x30
[  275.401077]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  275.406083]  ? print_usage_bug+0xc0/0xc0
[  275.410132]  ? __lock_acquire+0x62f/0x4c20
[  275.414360]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.419884]  ? should_fail+0x22d/0xd01
[  275.423758]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.429030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.434118]  ? __lock_acquire+0x62f/0x4c20
[  275.438346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.443432]  ? __lock_acquire+0x62f/0x4c20
[  275.447651]  ? should_fail+0x22d/0xd01
[  275.451526]  ? rcu_irq_exit+0x1a2/0x390
[  275.455494]  ? mark_held_locks+0x130/0x130
[  275.459818]  ? mark_held_locks+0x130/0x130
[  275.464045]  ? mark_held_locks+0xc7/0x130
[  275.468183]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  275.473187]  ? zap_class+0x640/0x640
[  275.476888]  ? print_usage_bug+0xc0/0xc0
[  275.480941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.486479]  ? check_preemption_disabled+0x48/0x280
[  275.491509]  ? __lock_is_held+0xb5/0x140
[  275.495561]  __alloc_pages_nodemask+0xa80/0xde0
[  275.500214]  ? zap_class+0x640/0x640
[  275.504013]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  275.509028]  ? find_held_lock+0x36/0x1c0
[  275.513084]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.517739]  ? lock_downgrade+0x900/0x900
[  275.521877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.527402]  cache_grow_begin+0xa5/0x8c0
[  275.531448]  ? do_raw_spin_unlock+0xa7/0x330
[  275.535848]  fallback_alloc+0x204/0x2e0
[  275.539815]  ____cache_alloc_node+0x1c7/0x1e0
[  275.544302]  kmem_cache_alloc_node+0xe3/0x730
[  275.548782]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.553018]  __alloc_skb+0x119/0x770
[  275.556717]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.561998]  ? netdev_alloc_frag+0x1f0/0x1f0
[  275.566400]  ? lock_downgrade+0x900/0x900
[  275.570539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.576065]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.581503]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.586946]  ? addrconf_rs_timer+0x690/0x690
[  275.591349]  ndisc_alloc_skb+0x144/0x340
[  275.595399]  ndisc_send_rs+0x331/0x6e0
[  275.599366]  addrconf_rs_timer+0x314/0x690
[  275.603594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.607821]  call_timer_fn+0x272/0x920
[  275.611695]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.615915]  ? process_timeout+0x40/0x40
[  275.619992]  ? __run_timers+0x7da/0xc70
[  275.623961]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.628450]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.632933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.637156]  ? lockdep_hardirqs_on+0x296/0x5b0
[  275.641726]  ? trace_hardirqs_on+0xbd/0x310
[  275.646038]  ? kasan_check_read+0x11/0x20
[  275.650171]  ? __run_timers+0x7da/0xc70
[  275.654132]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.659314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.663537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.667756]  __run_timers+0x7e5/0xc70
[  275.671556]  ? timer_fixup_init+0x70/0x70
[  275.675691]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  275.680711]  ? zap_class+0x640/0x640
[  275.684413]  ? enqueue_hrtimer+0x1a5/0x560
[  275.688638]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  275.693828]  ? find_held_lock+0x36/0x1c0
[  275.697882]  ? zap_class+0x640/0x640
[  275.701583]  ? pvclock_read_flags+0x160/0x160
[  275.706085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.711701]  ? check_preemption_disabled+0x48/0x280
[  275.716715]  ? __lock_is_held+0xb5/0x140
[  275.720766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.726292]  ? check_preemption_disabled+0x48/0x280
[  275.731299]  run_timer_softirq+0x52/0xb0
[  275.735345]  ? rcu_read_lock_sched_held+0x14f/0x180
[  275.740350]  __do_softirq+0x308/0xb7e
[  275.744144]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  275.748628]  ? lock_downgrade+0x900/0x900
[  275.752765]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  275.757860]  ? pvclock_read_flags+0x160/0x160
[  275.762362]  ? lapic_next_event+0x5a/0x90
[  275.766501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.772031]  ? kvm_clock_read+0x18/0x30
[  275.775993]  ? kvm_sched_clock_read+0x9/0x20
[  275.780396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.785925]  ? check_preemption_disabled+0x48/0x280
[  275.790938]  irq_exit+0x17f/0x1c0
[  275.794387]  smp_apic_timer_interrupt+0x1cb/0x760
[  275.799215]  ? smp_reschedule_interrupt+0x109/0x650
[  275.804221]  ? smp_call_function_single_interrupt+0x650/0x650
[  275.810091]  ? interrupt_entry+0xb5/0xc0
[  275.814143]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.819148]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.824173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.829008]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.834012]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.839025]  ? task_prio+0x50/0x50
[  275.842572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.848118]  ? check_preemption_disabled+0x48/0x280
[  275.853132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.857989]  apic_timer_interrupt+0xf/0x20
[  275.862209]  </IRQ>
[  275.864435] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  275.869367] 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
[  275.888253] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  275.895977] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  275.903241] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  275.910502] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  275.917760] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  275.925037] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  275.932332]  skb_clone+0x1bb/0x500
[  275.935863]  ? finish_task_switch+0x2f4/0x910
[  275.940354]  ? skb_split+0x11e0/0x11e0
[  275.944257]  ? preempt_notifier_register+0x200/0x200
[  275.949356]  ? __switch_to_asm+0x34/0x70
[  275.953410]  ? __switch_to_asm+0x34/0x70
[  275.957463]  ? __switch_to_asm+0x40/0x70
[  275.961971]  ? __switch_to_asm+0x34/0x70
[  275.966051]  ? __switch_to_asm+0x40/0x70
[  275.970139]  ? __switch_to_asm+0x34/0x70
[  275.974188]  ? __switch_to_asm+0x40/0x70
[  275.978235]  ? __switch_to_asm+0x34/0x70
[  275.982285]  ? __switch_to_asm+0x34/0x70
[  275.986336]  ? __switch_to_asm+0x40/0x70
[  275.990487]  ? __switch_to_asm+0x34/0x70
[  275.994544]  bpf_clone_redirect+0xb9/0x490
[  275.998788]  ? __schedule+0x8d7/0x21d0
[  276.002671]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  276.007681]  ? __sched_text_start+0x8/0x8
[  276.011818]  ? retint_kernel+0x2d/0x2d
[  276.015694]  ? trace_hardirqs_on_caller+0xc0/0x310
[  276.020620]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.025371]  ? find_held_lock+0x36/0x1c0
[  276.029548]  ? lock_acquire+0x1ed/0x520
[  276.033515]  ? bpf_test_run+0x3cb/0x780
[  276.037494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.043031]  ? check_preemption_disabled+0x48/0x280
[  276.048054]  ? kasan_check_read+0x11/0x20
[  276.052194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.057479]  ? rcu_softirq_qs+0x20/0x20
[  276.061443]  ? preempt_schedule+0x4d/0x60
[  276.065579]  ? ___preempt_schedule+0x16/0x18
[  276.070008]  ? bpf_test_run+0x25d/0x780
[  276.074004]  ? netlink_diag_dump+0x2a0/0x2a0
[  276.078404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.083926]  ? bpf_test_init.isra.10+0x70/0x100
[  276.088597]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  276.093362]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  276.098203]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  276.103734]  ? fput+0x130/0x1a0
[  276.107019]  ? __bpf_prog_get+0x9b/0x290
[  276.111076]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  276.115922]  ? bpf_prog_test_run+0x130/0x1a0
[  276.120345]  ? __x64_sys_bpf+0x3d8/0x520
[  276.124399]  ? bpf_prog_get+0x20/0x20
[  276.128210]  ? do_syscall_64+0x1b9/0x820
[  276.132257]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  276.137615]  ? syscall_return_slowpath+0x5e0/0x5e0
[  276.142539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.147374]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.152378]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  276.157401]  ? prepare_exit_to_usermode+0x291/0x3b0
[  276.162409]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.167245]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  276.172606] warn_alloc_show_mem: 1 callbacks suppressed
[  276.172614] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  276.172615] Mem-Info:
[  276.172643] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  276.172643]  active_file:12 inactive_file:13 isolated_file:0
[  276.172643]  unevictable:0 dirty:0 writeback:0 unstable:0
[  276.172643]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  276.172643]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  276.172643]  free:13767 free_pcp:247 free_cma:0
[  276.177970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  276.177977] Call Trace:
[  276.184894] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  276.187291]  dump_stack+0x244/0x39d
[  276.220307] 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
[  276.229648]  ? dump_stack_print_info.cold.1+0x20/0x20
[  276.232210] lowmem_reserve[]: 0 2818 6321 6321
[  276.259893]  warn_alloc.cold.116+0xb7/0x1bd
[  276.263482] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  276.289571]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.294722] lowmem_reserve[]: 0 0 3503 3503
[  276.299295]  ? lock_downgrade+0x900/0x900
[  276.303583] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  276.331413]  ? trace_hardirqs_off+0xb8/0x310
[  276.336212] lowmem_reserve[]: 0 0 0 0
[  276.340526]  ? trace_hardirqs_off+0xb8/0x310
[  276.344658] 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
[  276.373616]  __alloc_pages_slowpath+0x26e8/0x2e10
[  276.377994] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  276.381807]  ? warn_alloc+0x120/0x120
[  276.386166] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  276.399675]  ? print_usage_bug+0xc0/0xc0
[  276.404511] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  276.419661]  ? warn_alloc+0x120/0x120
[  276.423445] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  276.438689]  ? warn_alloc+0x120/0x120
[  276.442720] 2041 total pagecache pages
[  276.451545]  ? print_usage_bug+0xc0/0xc0
[  276.455319] 0 pages in swap cache
[  276.463873]  ? print_usage_bug+0xc0/0xc0
[  276.467741] Swap cache stats: add 0, delete 0, find 0/0
[  276.467747] Free swap  = 0kB
[  276.471618]  ? __lock_acquire+0x62f/0x4c20
[  276.475642] Total swap = 0kB
[  276.475648] 1965979 pages RAM
[  276.479080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.483104] 0 pages HighMem/MovableOnly
[  276.483110] 342854 pages reserved
[  276.488494]  ? should_fail+0x22d/0xd01
[  276.491487] 0 pages cma reserved
[  276.495705]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.498750] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.501784]  ? __lock_acquire+0x62f/0x4c20
[  276.501800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.501814]  ? __lock_acquire+0x62f/0x4c20
[  276.507361] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.511265]  ? should_fail+0x22d/0xd01
[  276.511278]  ? find_held_lock+0x36/0x1c0
[  276.514697] syz-executor3 cpuset=syz3 mems_allowed=0
[  276.518566]  ? mark_held_locks+0x130/0x130
[  276.574668]  ? mark_held_locks+0x130/0x130
[  276.578904]  ? zap_class+0x640/0x640
[  276.582616]  ? mark_held_locks+0xc7/0x130
[  276.586760]  ? do_raw_spin_unlock+0xa7/0x330
[  276.591170]  ? zap_class+0x640/0x640
[  276.594869]  ? print_usage_bug+0xc0/0xc0
[  276.598926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.604452]  ? check_preemption_disabled+0x48/0x280
[  276.609465]  ? __lock_is_held+0xb5/0x140
[  276.613516]  __alloc_pages_nodemask+0xa80/0xde0
[  276.618175]  ? zap_class+0x640/0x640
[  276.621899]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  276.626916]  ? find_held_lock+0x36/0x1c0
[  276.630974]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.635631]  ? lock_downgrade+0x900/0x900
[  276.639779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.645316]  cache_grow_begin+0xa5/0x8c0
[  276.649361]  ? do_raw_spin_unlock+0xa7/0x330
[  276.653848]  fallback_alloc+0x204/0x2e0
[  276.657814]  ____cache_alloc_node+0x1c7/0x1e0
[  276.662300]  kmem_cache_alloc_node+0xe3/0x730
[  276.666783]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.671012]  __alloc_skb+0x119/0x770
[  276.674713]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.679982]  ? netdev_alloc_frag+0x1f0/0x1f0
[  276.684375]  ? lock_downgrade+0x900/0x900
[  276.688517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.694039]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.699516]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.704958]  ? addrconf_rs_timer+0x690/0x690
[  276.709364]  ndisc_alloc_skb+0x144/0x340
[  276.713416]  ndisc_send_rs+0x331/0x6e0
[  276.717295]  addrconf_rs_timer+0x314/0x690
[  276.721522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.725771]  call_timer_fn+0x272/0x920
[  276.729648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.733979]  ? process_timeout+0x40/0x40
[  276.738132]  ? __run_timers+0x7da/0xc70
[  276.742101]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.746584]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.751067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.755385]  ? lockdep_hardirqs_on+0x296/0x5b0
[  276.759958]  ? trace_hardirqs_on+0xbd/0x310
[  276.764355]  ? kasan_check_read+0x11/0x20
[  276.768508]  ? __run_timers+0x7da/0xc70
[  276.772474]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.777662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.781902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.786123]  __run_timers+0x7e5/0xc70
[  276.789931]  ? timer_fixup_init+0x70/0x70
[  276.794068]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.798552]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.803036]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  276.807609]  ? trace_hardirqs_on+0xbd/0x310
[  276.811919]  ? kasan_check_read+0x11/0x20
[  276.816068]  ? finish_task_switch+0x1f4/0x910
[  276.820550]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.825639]  ? compat_start_thread+0x80/0x80
[  276.830054]  ? pvclock_read_flags+0x160/0x160
[  276.834533]  ? __switch_to_asm+0x34/0x70
[  276.838608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.844134]  ? check_preemption_disabled+0x48/0x280
[  276.849151]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  276.854691]  ? rcu_pm_notify+0xc0/0xc0
[  276.858565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.864090]  ? check_preemption_disabled+0x48/0x280
[  276.869096]  run_timer_softirq+0x52/0xb0
[  276.873145]  ? rcu_read_lock_sched_held+0x14f/0x180
[  276.878150]  __do_softirq+0x308/0xb7e
[  276.881944]  ? trace_hardirqs_on_caller+0xc0/0x310
[  276.886872]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  276.891961]  ? trace_hardirqs_on+0x310/0x310
[  276.896361]  ? schedule+0x108/0x460
[  276.899986]  ? trace_hardirqs_off+0xb8/0x310
[  276.904399]  ? smpboot_thread_fn+0x68b/0xa00
[  276.908814]  ? trace_hardirqs_on+0x310/0x310
[  276.913210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.918738]  ? check_preemption_disabled+0x48/0x280
[  276.923744]  ? takeover_tasklets+0xa90/0xa90
[  276.928141]  run_ksoftirqd+0x5e/0x100
[  276.931945]  smpboot_thread_fn+0x68b/0xa00
[  276.936179]  ? sort_range+0x30/0x30
[  276.939797]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  276.944899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.950438]  ? __kthread_parkme+0xfb/0x1a0
[  276.954664]  ? sort_range+0x30/0x30
[  276.958305]  kthread+0x35a/0x440
[  276.961658]  ? kthread_stop+0x900/0x900
[  276.965624]  ret_from_fork+0x3a/0x50
[  276.969348] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  276.969408] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.976608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  276.976615] Call Trace:
[  276.983150] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.992414]  <IRQ>
[  276.994979] ksoftirqd/1 cpuset=/ mems_allowed=0
[  277.005273]  dump_stack+0x244/0x39d
[  277.015665]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.020883]  warn_alloc.cold.116+0xb7/0x1bd
[  277.025212]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.030052]  ? lock_downgrade+0x900/0x900
[  277.034196]  ? trace_hardirqs_off+0xb8/0x310
[  277.038599]  ? trace_hardirqs_off+0xb8/0x310
[  277.043022]  __alloc_pages_slowpath+0x26e8/0x2e10
[  277.047890]  ? warn_alloc+0x120/0x120
[  277.051682]  ? print_usage_bug+0xc0/0xc0
[  277.055731]  ? warn_alloc+0x120/0x120
[  277.059522]  ? warn_alloc+0x120/0x120
[  277.063309]  ? print_usage_bug+0xc0/0xc0
[  277.067359]  ? print_usage_bug+0xc0/0xc0
[  277.071512]  ? __lock_acquire+0x62f/0x4c20
[  277.075843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.081379]  ? should_fail+0x22d/0xd01
[  277.085258]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.090358]  ? __lock_acquire+0x62f/0x4c20
[  277.094583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.099706]  ? __lock_acquire+0x62f/0x4c20
[  277.103941]  ? should_fail+0x22d/0xd01
[  277.107840]  ? find_held_lock+0x36/0x1c0
[  277.111908]  ? mark_held_locks+0x130/0x130
[  277.116133]  ? mark_held_locks+0x130/0x130
[  277.120352]  ? zap_class+0x640/0x640
[  277.124141]  ? zap_class+0x640/0x640
[  277.128103]  ? print_usage_bug+0xc0/0xc0
[  277.132150]  ? do_raw_spin_unlock+0xa7/0x330
[  277.136544]  ? zap_class+0x640/0x640
[  277.140244]  ? print_usage_bug+0xc0/0xc0
[  277.144293]  ? wq_watchdog_touch+0x9c/0xfe
[  277.148548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.154089]  ? check_preemption_disabled+0x48/0x280
[  277.159098]  ? __lock_is_held+0xb5/0x140
[  277.163152]  __alloc_pages_nodemask+0xa80/0xde0
[  277.167807]  ? zap_class+0x640/0x640
[  277.171511]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  277.176524]  ? find_held_lock+0x36/0x1c0
[  277.180581]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.185242]  ? lock_downgrade+0x900/0x900
[  277.189383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.194911]  cache_grow_begin+0xa5/0x8c0
[  277.198973]  ? do_raw_spin_unlock+0xa7/0x330
[  277.203375]  fallback_alloc+0x204/0x2e0
[  277.207343]  ____cache_alloc_node+0x1c7/0x1e0
[  277.211934]  kmem_cache_alloc_node+0xe3/0x730
[  277.216417]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.220660]  __alloc_skb+0x119/0x770
[  277.224361]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.229628]  ? netdev_alloc_frag+0x1f0/0x1f0
[  277.234024]  ? lock_downgrade+0x900/0x900
[  277.238181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.243705]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.249165]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.254607]  ? addrconf_rs_timer+0x690/0x690
[  277.259014]  ndisc_alloc_skb+0x144/0x340
[  277.263067]  ndisc_send_rs+0x331/0x6e0
[  277.266978]  addrconf_rs_timer+0x314/0x690
[  277.271205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.275434]  call_timer_fn+0x272/0x920
[  277.279309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.283546]  ? process_timeout+0x40/0x40
[  277.287598]  ? __run_timers+0x7da/0xc70
[  277.291571]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.296053]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.300532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.304756]  ? lockdep_hardirqs_on+0x296/0x5b0
[  277.309327]  ? trace_hardirqs_on+0xbd/0x310
[  277.313637]  ? kasan_check_read+0x11/0x20
[  277.317776]  ? __run_timers+0x7da/0xc70
[  277.321737]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.326865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.331090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.335309]  __run_timers+0x7e5/0xc70
[  277.339127]  ? timer_fixup_init+0x70/0x70
[  277.343276]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  277.348281]  ? zap_class+0x640/0x640
[  277.351989]  ? enqueue_hrtimer+0x1a5/0x560
[  277.356235]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  277.361420]  ? find_held_lock+0x36/0x1c0
[  277.365471]  ? zap_class+0x640/0x640
[  277.369177]  ? pvclock_read_flags+0x160/0x160
[  277.373664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.379190]  ? check_preemption_disabled+0x48/0x280
[  277.384200]  ? __lock_is_held+0xb5/0x140
[  277.388250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.393774]  ? check_preemption_disabled+0x48/0x280
[  277.398782]  run_timer_softirq+0x52/0xb0
[  277.402837]  ? rcu_read_lock_sched_held+0x14f/0x180
[  277.407854]  __do_softirq+0x308/0xb7e
[  277.411644]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  277.416124]  ? lock_downgrade+0x900/0x900
[  277.420262]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  277.425356]  ? pvclock_read_flags+0x160/0x160
[  277.429856]  ? lapic_next_event+0x5a/0x90
[  277.433992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.439534]  ? kvm_clock_read+0x18/0x30
[  277.443498]  ? kvm_sched_clock_read+0x9/0x20
[  277.448004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.453526]  ? check_preemption_disabled+0x48/0x280
[  277.458534]  irq_exit+0x17f/0x1c0
[  277.461974]  smp_apic_timer_interrupt+0x1cb/0x760
[  277.466799]  ? smp_reschedule_interrupt+0x109/0x650
[  277.471810]  ? smp_call_function_single_interrupt+0x650/0x650
[  277.477687]  ? interrupt_entry+0xb5/0xc0
[  277.481737]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.486737]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.491742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.496573]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.501578]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.506578]  ? task_prio+0x50/0x50
[  277.510131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.515663]  ? check_preemption_disabled+0x48/0x280
[  277.520672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.525520]  apic_timer_interrupt+0xf/0x20
[  277.529736]  </IRQ>
[  277.531960] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  277.536880] 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
[  277.555771] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  277.563642] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  277.570898] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  277.578154] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  277.585501] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  277.592756] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  277.600042]  skb_clone+0x1bb/0x500
[  277.603573]  ? finish_task_switch+0x2f4/0x910
[  277.608056]  ? skb_split+0x11e0/0x11e0
[  277.611933]  ? preempt_notifier_register+0x200/0x200
[  277.617106]  ? __switch_to_asm+0x34/0x70
[  277.621151]  ? __switch_to_asm+0x34/0x70
[  277.625195]  ? __switch_to_asm+0x40/0x70
[  277.629244]  ? __switch_to_asm+0x34/0x70
[  277.633289]  ? __switch_to_asm+0x40/0x70
[  277.637334]  ? __switch_to_asm+0x34/0x70
[  277.641381]  ? __switch_to_asm+0x40/0x70
[  277.645424]  ? __switch_to_asm+0x34/0x70
[  277.649484]  ? __switch_to_asm+0x34/0x70
[  277.653531]  ? __switch_to_asm+0x40/0x70
[  277.657588]  ? __switch_to_asm+0x34/0x70
[  277.661646]  bpf_clone_redirect+0xb9/0x490
[  277.665870]  ? __schedule+0x8d7/0x21d0
[  277.669814]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  277.674831]  ? __sched_text_start+0x8/0x8
[  277.678976]  ? retint_kernel+0x2d/0x2d
[  277.682853]  ? trace_hardirqs_on_caller+0xc0/0x310
[  277.687770]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  277.692536]  ? find_held_lock+0x36/0x1c0
[  277.696595]  ? lock_acquire+0x1ed/0x520
[  277.700561]  ? bpf_test_run+0x3cb/0x780
[  277.704520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.710046]  ? check_preemption_disabled+0x48/0x280
[  277.715067]  ? kasan_check_read+0x11/0x20
[  277.719201]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.724479]  ? rcu_softirq_qs+0x20/0x20
[  277.728444]  ? preempt_schedule+0x4d/0x60
[  277.732693]  ? ___preempt_schedule+0x16/0x18
[  277.737102]  ? bpf_test_run+0x25d/0x780
[  277.741071]  ? netlink_diag_dump+0x2a0/0x2a0
[  277.745470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.750996]  ? bpf_test_init.isra.10+0x70/0x100
[  277.755664]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  277.760416]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  277.765246]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  277.770768]  ? fput+0x130/0x1a0
[  277.774045]  ? __bpf_prog_get+0x9b/0x290
[  277.778098]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  277.782935]  ? bpf_prog_test_run+0x130/0x1a0
[  277.787338]  ? __x64_sys_bpf+0x3d8/0x520
[  277.791390]  ? bpf_prog_get+0x20/0x20
[  277.795192]  ? do_syscall_64+0x1b9/0x820
[  277.799345]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  277.804727]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.809645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.814475]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.819507]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  277.824606]  ? prepare_exit_to_usermode+0x291/0x3b0
[  277.829618]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.834456]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  277.839830] warn_alloc_show_mem: 1 callbacks suppressed
[  277.839838] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  277.839840] Mem-Info:
[  277.839865] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  277.839865]  active_file:12 inactive_file:13 isolated_file:0
[  277.839865]  unevictable:0 dirty:0 writeback:0 unstable:0
[  277.839865]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  277.839865]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  277.839865]  free:13767 free_pcp:247 free_cma:0
[  277.845298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.852237] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  277.854619] Call Trace:
[  277.887737] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  277.897109]  dump_stack+0x244/0x39d
[  277.924835] lowmem_reserve[]: 0 2818 6321 6321
[  277.927405]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.953479] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  277.957097]  warn_alloc.cold.116+0xb7/0x1bd
[  277.962150] lowmem_reserve[]: 0 0 3503 3503
[  277.967332]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.995144] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  277.999453]  ? lock_downgrade+0x900/0x900
[  278.003762] lowmem_reserve[]: 0 0 0 0
[  278.008603]  ? trace_hardirqs_off+0xb8/0x310
[  278.037730] 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
[  278.041867]  ? trace_hardirqs_off+0xb8/0x310
[  278.045630] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  278.050031]  __alloc_pages_slowpath+0x26e8/0x2e10
[  278.063515] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  278.067952]  ? warn_alloc+0x120/0x120
[  278.083094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  278.087924]  ? print_usage_bug+0xc0/0xc0
[  278.103154] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  278.103161] 2041 total pagecache pages
[  278.106947]  ? warn_alloc+0x120/0x120
[  278.115756] 0 pages in swap cache
[  278.119829]  ? warn_alloc+0x120/0x120
[  278.128394] Swap cache stats: add 0, delete 0, find 0/0
[  278.132263]  ? print_usage_bug+0xc0/0xc0
[  278.136030] Free swap  = 0kB
[  278.136037] Total swap = 0kB
[  278.139478]  ? print_usage_bug+0xc0/0xc0
[  278.143246] 1965979 pages RAM
[  278.148608]  ? __lock_acquire+0x62f/0x4c20
[  278.152632] 0 pages HighMem/MovableOnly
[  278.152639] 342854 pages reserved
[  278.155644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.158626] 0 pages cma reserved
[  278.158685] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.162692]  ? should_fail+0x22d/0xd01
[  278.162710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.162725]  ? __lock_acquire+0x62f/0x4c20
[  278.165856] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.170042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.173985] syz-executor3 cpuset=syz3 mems_allowed=0
[  278.177424]  ? __lock_acquire+0x62f/0x4c20
[  278.177439]  ? should_fail+0x22d/0xd01
[  278.234850]  ? find_held_lock+0x36/0x1c0
[  278.238908]  ? mark_held_locks+0x130/0x130
[  278.243151]  ? mark_held_locks+0x130/0x130
[  278.247375]  ? zap_class+0x640/0x640
[  278.251089]  ? mark_held_locks+0xc7/0x130
[  278.255334]  ? do_raw_spin_unlock+0xa7/0x330
[  278.259734]  ? zap_class+0x640/0x640
[  278.263451]  ? print_usage_bug+0xc0/0xc0
[  278.267507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.273036]  ? check_preemption_disabled+0x48/0x280
[  278.278062]  ? __lock_is_held+0xb5/0x140
[  278.282129]  __alloc_pages_nodemask+0xa80/0xde0
[  278.286793]  ? zap_class+0x640/0x640
[  278.290515]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  278.295531]  ? find_held_lock+0x36/0x1c0
[  278.299591]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.304258]  ? lock_downgrade+0x900/0x900
[  278.308413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.313946]  cache_grow_begin+0xa5/0x8c0
[  278.318002]  ? do_raw_spin_unlock+0xa7/0x330
[  278.322423]  fallback_alloc+0x204/0x2e0
[  278.326392]  ____cache_alloc_node+0x1c7/0x1e0
[  278.330888]  kmem_cache_alloc_node+0xe3/0x730
[  278.335383]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.339632]  __alloc_skb+0x119/0x770
[  278.343356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.348627]  ? netdev_alloc_frag+0x1f0/0x1f0
[  278.353030]  ? lock_downgrade+0x900/0x900
[  278.357186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.362726]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.368182]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.373622]  ? addrconf_rs_timer+0x690/0x690
[  278.378050]  ndisc_alloc_skb+0x144/0x340
[  278.382105]  ndisc_send_rs+0x331/0x6e0
[  278.386001]  addrconf_rs_timer+0x314/0x690
[  278.390226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.394455]  call_timer_fn+0x272/0x920
[  278.398332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.402562]  ? process_timeout+0x40/0x40
[  278.406638]  ? __run_timers+0x7da/0xc70
[  278.410602]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.415089]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.419580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.423815]  ? lockdep_hardirqs_on+0x296/0x5b0
[  278.428441]  ? trace_hardirqs_on+0xbd/0x310
[  278.432763]  ? kasan_check_read+0x11/0x20
[  278.436906]  ? __run_timers+0x7da/0xc70
[  278.440873]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.445969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.450196]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.454421]  __run_timers+0x7e5/0xc70
[  278.458221]  ? timer_fixup_init+0x70/0x70
[  278.462359]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.466838]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.471321]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  278.475890]  ? trace_hardirqs_on+0xbd/0x310
[  278.480214]  ? kasan_check_read+0x11/0x20
[  278.484355]  ? finish_task_switch+0x1f4/0x910
[  278.488843]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.493933]  ? compat_start_thread+0x80/0x80
[  278.498353]  ? pvclock_read_flags+0x160/0x160
[  278.502841]  ? __switch_to_asm+0x34/0x70
[  278.506896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.512424]  ? check_preemption_disabled+0x48/0x280
[  278.517438]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  278.522969]  ? rcu_pm_notify+0xc0/0xc0
[  278.526851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.532376]  ? check_preemption_disabled+0x48/0x280
[  278.537381]  run_timer_softirq+0x52/0xb0
[  278.541427]  ? rcu_read_lock_sched_held+0x14f/0x180
[  278.546441]  __do_softirq+0x308/0xb7e
[  278.550231]  ? trace_hardirqs_on_caller+0xc0/0x310
[  278.555152]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  278.560244]  ? trace_hardirqs_on+0x310/0x310
[  278.564663]  ? schedule+0x108/0x460
[  278.568291]  ? trace_hardirqs_off+0xb8/0x310
[  278.572887]  ? smpboot_thread_fn+0x68b/0xa00
[  278.577286]  ? trace_hardirqs_on+0x310/0x310
[  278.581681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.587211]  ? check_preemption_disabled+0x48/0x280
[  278.592341]  ? takeover_tasklets+0xa90/0xa90
[  278.596742]  run_ksoftirqd+0x5e/0x100
[  278.600527]  smpboot_thread_fn+0x68b/0xa00
[  278.604760]  ? sort_range+0x30/0x30
[  278.608380]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  278.613472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.618993]  ? __kthread_parkme+0xfb/0x1a0
[  278.623216]  ? sort_range+0x30/0x30
[  278.626843]  kthread+0x35a/0x440
[  278.630196]  ? kthread_stop+0x900/0x900
[  278.634158]  ret_from_fork+0x3a/0x50
[  278.637897] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  278.637955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.645153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.645157] Call Trace:
[  278.645162]  <IRQ>
[  278.645175]  dump_stack+0x244/0x39d
[  278.645190]  ? dump_stack_print_info.cold.1+0x20/0x20
[  278.651713] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.660992]  warn_alloc.cold.116+0xb7/0x1bd
[  278.663538] ksoftirqd/1 cpuset=/ mems_allowed=0
[  278.665667]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.698506]  ? lock_downgrade+0x900/0x900
[  278.702645]  ? trace_hardirqs_off+0xb8/0x310
[  278.707050]  ? trace_hardirqs_off+0xb8/0x310
[  278.711454]  __alloc_pages_slowpath+0x26e8/0x2e10
[  278.716306]  ? warn_alloc+0x120/0x120
[  278.720098]  ? print_usage_bug+0xc0/0xc0
[  278.724147]  ? warn_alloc+0x120/0x120
[  278.727938]  ? warn_alloc+0x120/0x120
[  278.731755]  ? print_usage_bug+0xc0/0xc0
[  278.735812]  ? print_usage_bug+0xc0/0xc0
[  278.739866]  ? __lock_acquire+0x62f/0x4c20
[  278.744126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.749674]  ? should_fail+0x22d/0xd01
[  278.753555]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.758649]  ? __lock_acquire+0x62f/0x4c20
[  278.762899]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.768003]  ? __lock_acquire+0x62f/0x4c20
[  278.772223]  ? should_fail+0x22d/0xd01
[  278.776099]  ? find_held_lock+0x36/0x1c0
[  278.780161]  ? mark_held_locks+0x130/0x130
[  278.784399]  ? mark_held_locks+0x130/0x130
[  278.788632]  ? zap_class+0x640/0x640
[  278.792334]  ? zap_class+0x640/0x640
[  278.796042]  ? print_usage_bug+0xc0/0xc0
[  278.800098]  ? do_raw_spin_unlock+0xa7/0x330
[  278.804494]  ? zap_class+0x640/0x640
[  278.808200]  ? print_usage_bug+0xc0/0xc0
[  278.812250]  ? wq_watchdog_touch+0x9c/0xfe
[  278.816473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.821997]  ? check_preemption_disabled+0x48/0x280
[  278.827008]  ? __lock_is_held+0xb5/0x140
[  278.831066]  __alloc_pages_nodemask+0xa80/0xde0
[  278.835734]  ? zap_class+0x640/0x640
[  278.839463]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  278.844479]  ? find_held_lock+0x36/0x1c0
[  278.848542]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.853199]  ? lock_downgrade+0x900/0x900
[  278.857343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.862872]  cache_grow_begin+0xa5/0x8c0
[  278.866930]  ? do_raw_spin_unlock+0xa7/0x330
[  278.871328]  fallback_alloc+0x204/0x2e0
[  278.875294]  ____cache_alloc_node+0x1c7/0x1e0
[  278.879800]  kmem_cache_alloc_node+0xe3/0x730
[  278.884413]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.888651]  __alloc_skb+0x119/0x770
[  278.892368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.897642]  ? netdev_alloc_frag+0x1f0/0x1f0
[  278.902045]  ? lock_downgrade+0x900/0x900
[  278.906186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.911728]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.917183]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.922621]  ? addrconf_rs_timer+0x690/0x690
[  278.927033]  ndisc_alloc_skb+0x144/0x340
[  278.931094]  ndisc_send_rs+0x331/0x6e0
[  278.934976]  addrconf_rs_timer+0x314/0x690
[  278.939215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.943475]  call_timer_fn+0x272/0x920
[  278.947370]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.951595]  ? process_timeout+0x40/0x40
[  278.955675]  ? __run_timers+0x7da/0xc70
[  278.960136]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.964634]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.969131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.973368]  ? lockdep_hardirqs_on+0x296/0x5b0
[  278.977942]  ? trace_hardirqs_on+0xbd/0x310
[  278.982253]  ? kasan_check_read+0x11/0x20
[  278.986388]  ? __run_timers+0x7da/0xc70
[  278.990354]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.995452]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.999717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.003946]  __run_timers+0x7e5/0xc70
[  279.007752]  ? timer_fixup_init+0x70/0x70
[  279.011900]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  279.016913]  ? zap_class+0x640/0x640
[  279.020623]  ? enqueue_hrtimer+0x1a5/0x560
[  279.024854]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  279.030040]  ? find_held_lock+0x36/0x1c0
[  279.034104]  ? zap_class+0x640/0x640
[  279.037826]  ? pvclock_read_flags+0x160/0x160
[  279.042314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.047851]  ? check_preemption_disabled+0x48/0x280
[  279.052888]  ? __lock_is_held+0xb5/0x140
[  279.056954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.062483]  ? check_preemption_disabled+0x48/0x280
[  279.067586]  run_timer_softirq+0x52/0xb0
[  279.071635]  ? rcu_read_lock_sched_held+0x14f/0x180
[  279.076638]  __do_softirq+0x308/0xb7e
[  279.080438]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  279.084924]  ? lock_downgrade+0x900/0x900
[  279.089063]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  279.094161]  ? pvclock_read_flags+0x160/0x160
[  279.098644]  ? lapic_next_event+0x5a/0x90
[  279.102897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.108427]  ? kvm_clock_read+0x18/0x30
[  279.112401]  ? kvm_sched_clock_read+0x9/0x20
[  279.116808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.122335]  ? check_preemption_disabled+0x48/0x280
[  279.127560]  irq_exit+0x17f/0x1c0
[  279.131006]  smp_apic_timer_interrupt+0x1cb/0x760
[  279.135836]  ? smp_reschedule_interrupt+0x109/0x650
[  279.140842]  ? smp_call_function_single_interrupt+0x650/0x650
[  279.146735]  ? interrupt_entry+0xb5/0xc0
[  279.150800]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.155806]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.160814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.165647]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.170648]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.175649]  ? task_prio+0x50/0x50
[  279.179178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.184708]  ? check_preemption_disabled+0x48/0x280
[  279.189826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.194778]  apic_timer_interrupt+0xf/0x20
[  279.199088]  </IRQ>
[  279.201318] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  279.206237] 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
[  279.225120] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  279.232826] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  279.240083] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  279.247335] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  279.254588] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  279.261851] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  279.269149]  skb_clone+0x1bb/0x500
[  279.272680]  ? finish_task_switch+0x2f4/0x910
[  279.277166]  ? skb_split+0x11e0/0x11e0
[  279.281047]  ? preempt_notifier_register+0x200/0x200
[  279.286135]  ? __switch_to_asm+0x34/0x70
[  279.290181]  ? __switch_to_asm+0x34/0x70
[  279.294228]  ? __switch_to_asm+0x40/0x70
[  279.298271]  ? __switch_to_asm+0x34/0x70
[  279.302314]  ? __switch_to_asm+0x40/0x70
[  279.306362]  ? __switch_to_asm+0x34/0x70
[  279.310404]  ? __switch_to_asm+0x40/0x70
[  279.314448]  ? __switch_to_asm+0x34/0x70
[  279.318495]  ? __switch_to_asm+0x34/0x70
[  279.322540]  ? __switch_to_asm+0x40/0x70
[  279.326585]  ? __switch_to_asm+0x34/0x70
[  279.330636]  bpf_clone_redirect+0xb9/0x490
[  279.334858]  ? __schedule+0x8d7/0x21d0
[  279.338739]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  279.343742]  ? __sched_text_start+0x8/0x8
[  279.347877]  ? retint_kernel+0x2d/0x2d
[  279.351755]  ? trace_hardirqs_on_caller+0xc0/0x310
[  279.356695]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.361441]  ? find_held_lock+0x36/0x1c0
[  279.365497]  ? lock_acquire+0x1ed/0x520
[  279.369457]  ? bpf_test_run+0x3cb/0x780
[  279.373425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.378949]  ? check_preemption_disabled+0x48/0x280
[  279.383977]  ? kasan_check_read+0x11/0x20
[  279.388123]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.393384]  ? rcu_softirq_qs+0x20/0x20
[  279.397343]  ? preempt_schedule+0x4d/0x60
[  279.401479]  ? ___preempt_schedule+0x16/0x18
[  279.405887]  ? bpf_test_run+0x25d/0x780
[  279.409858]  ? netlink_diag_dump+0x2a0/0x2a0
[  279.414252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.419776]  ? bpf_test_init.isra.10+0x70/0x100
[  279.424438]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  279.429189]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  279.434022]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  279.439578]  ? fput+0x130/0x1a0
[  279.442846]  ? __bpf_prog_get+0x9b/0x290
[  279.446909]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  279.451736]  ? bpf_prog_test_run+0x130/0x1a0
[  279.456132]  ? __x64_sys_bpf+0x3d8/0x520
[  279.460180]  ? bpf_prog_get+0x20/0x20
[  279.463984]  ? do_syscall_64+0x1b9/0x820
[  279.468032]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  279.473383]  ? syscall_return_slowpath+0x5e0/0x5e0
[  279.478297]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.483135]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.488146]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  279.493154]  ? prepare_exit_to_usermode+0x291/0x3b0
[  279.498168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.503002]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  279.508363] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  279.508367] warn_alloc_show_mem: 1 callbacks suppressed
[  279.508372] Mem-Info:
[  279.515279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.520629] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  279.520629]  active_file:12 inactive_file:13 isolated_file:0
[  279.520629]  unevictable:0 dirty:0 writeback:0 unstable:0
[  279.520629]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  279.520629]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  279.520629]  free:13767 free_pcp:247 free_cma:0
[  279.522994] Call Trace:
[  279.532353] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  279.565364]  dump_stack+0x244/0x39d
[  279.567915] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  279.595579]  ? dump_stack_print_info.cold.1+0x20/0x20
[  279.599182] lowmem_reserve[]: 0 2818 6321 6321
[  279.625283]  warn_alloc.cold.116+0xb7/0x1bd
[  279.630430] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  279.634993]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.639272] lowmem_reserve[]: 0 0 3503 3503
[  279.667101]  ? lock_downgrade+0x900/0x900
[  279.671910] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  279.676219]  ? trace_hardirqs_off+0xb8/0x310
[  279.680334] lowmem_reserve[]: 0 0 0 0
[  279.709494]  ? trace_hardirqs_off+0xb8/0x310
[  279.713869] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  279.717661]  __alloc_pages_slowpath+0x26e8/0x2e10
[  279.722029] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  279.735558]  ? warn_alloc+0x120/0x120
[  279.740353] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  279.755533]  ? print_usage_bug+0xc0/0xc0
[  279.759311] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  279.774554]  ? warn_alloc+0x120/0x120
[  279.778588] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  279.787400]  ? warn_alloc+0x120/0x120
[  279.791205] 2041 total pagecache pages
[  279.799763]  ? print_usage_bug+0xc0/0xc0
[  279.803533] 0 pages in swap cache
[  279.807398]  ? print_usage_bug+0xc0/0xc0
[  279.811424] Swap cache stats: add 0, delete 0, find 0/0
[  279.811430] Free swap  = 0kB
[  279.814862]  ? __lock_acquire+0x62f/0x4c20
[  279.818890] Total swap = 0kB
[  279.824233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.827322] 1965979 pages RAM
[  279.831536]  ? should_fail+0x22d/0xd01
[  279.834529] 0 pages HighMem/MovableOnly
[  279.834535] 342854 pages reserved
[  279.840051]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.843130] 0 pages cma reserved
[  279.843190] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.847023]  ? __lock_acquire+0x62f/0x4c20
[  279.851043] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.854408]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.859486] syz-executor3 cpuset=syz3 mems_allowed=0
[  279.862828]  ? __lock_acquire+0x62f/0x4c20
[  279.862841]  ? should_fail+0x22d/0xd01
[  279.902317]  ? find_held_lock+0x36/0x1c0
[  279.906375]  ? mark_held_locks+0x130/0x130
[  279.910607]  ? mark_held_locks+0x130/0x130
[  279.914896]  ? zap_class+0x640/0x640
[  279.918607]  ? mark_held_locks+0xc7/0x130
[  279.922749]  ? do_raw_spin_unlock+0xa7/0x330
[  279.927150]  ? zap_class+0x640/0x640
[  279.930854]  ? print_usage_bug+0xc0/0xc0
[  279.934927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.940459]  ? check_preemption_disabled+0x48/0x280
[  279.945476]  ? __lock_is_held+0xb5/0x140
[  279.949551]  __alloc_pages_nodemask+0xa80/0xde0
[  279.954244]  ? zap_class+0x640/0x640
[  279.958040]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  279.963309]  ? find_held_lock+0x36/0x1c0
[  279.967383]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.972046]  ? lock_downgrade+0x900/0x900
[  279.976192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.981723]  cache_grow_begin+0xa5/0x8c0
[  279.985772]  ? do_raw_spin_unlock+0xa7/0x330
[  279.990185]  fallback_alloc+0x204/0x2e0
[  279.994155]  ____cache_alloc_node+0x1c7/0x1e0
[  279.998665]  kmem_cache_alloc_node+0xe3/0x730
[  280.003151]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.007407]  __alloc_skb+0x119/0x770
[  280.011113]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.016385]  ? netdev_alloc_frag+0x1f0/0x1f0
[  280.020796]  ? lock_downgrade+0x900/0x900
[  280.024967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.030525]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.035969]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.041413]  ? addrconf_rs_timer+0x690/0x690
[  280.045945]  ndisc_alloc_skb+0x144/0x340
[  280.050112]  ndisc_send_rs+0x331/0x6e0
[  280.054005]  addrconf_rs_timer+0x314/0x690
[  280.058235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.062472]  call_timer_fn+0x272/0x920
[  280.066350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.070572]  ? process_timeout+0x40/0x40
[  280.074637]  ? __run_timers+0x7da/0xc70
[  280.078608]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.083089]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.087573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.091800]  ? lockdep_hardirqs_on+0x296/0x5b0
[  280.096369]  ? trace_hardirqs_on+0xbd/0x310
[  280.100690]  ? kasan_check_read+0x11/0x20
[  280.104928]  ? __run_timers+0x7da/0xc70
[  280.108891]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.114003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.118234]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.122460]  __run_timers+0x7e5/0xc70
[  280.126258]  ? timer_fixup_init+0x70/0x70
[  280.130391]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.134887]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.139374]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  280.143944]  ? trace_hardirqs_on+0xbd/0x310
[  280.148255]  ? kasan_check_read+0x11/0x20
[  280.152395]  ? finish_task_switch+0x1f4/0x910
[  280.156878]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.161988]  ? compat_start_thread+0x80/0x80
[  280.166416]  ? pvclock_read_flags+0x160/0x160
[  280.170903]  ? __switch_to_asm+0x34/0x70
[  280.174955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.180481]  ? check_preemption_disabled+0x48/0x280
[  280.185526]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  280.191052]  ? rcu_pm_notify+0xc0/0xc0
[  280.194929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.200455]  ? check_preemption_disabled+0x48/0x280
[  280.205461]  run_timer_softirq+0x52/0xb0
[  280.209530]  ? rcu_read_lock_sched_held+0x14f/0x180
[  280.214539]  __do_softirq+0x308/0xb7e
[  280.218337]  ? trace_hardirqs_on_caller+0xc0/0x310
[  280.223261]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  280.228353]  ? trace_hardirqs_on+0x310/0x310
[  280.232758]  ? schedule+0x108/0x460
[  280.236385]  ? trace_hardirqs_off+0xb8/0x310
[  280.240780]  ? smpboot_thread_fn+0x68b/0xa00
[  280.245177]  ? trace_hardirqs_on+0x310/0x310
[  280.249578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.255116]  ? check_preemption_disabled+0x48/0x280
[  280.260127]  ? takeover_tasklets+0xa90/0xa90
[  280.264524]  run_ksoftirqd+0x5e/0x100
[  280.268315]  smpboot_thread_fn+0x68b/0xa00
[  280.272546]  ? sort_range+0x30/0x30
[  280.276168]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.281259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.286809]  ? __kthread_parkme+0xfb/0x1a0
[  280.291039]  ? sort_range+0x30/0x30
[  280.294684]  kthread+0x35a/0x440
[  280.298038]  ? kthread_stop+0x900/0x900
[  280.302000]  ret_from_fork+0x3a/0x50
[  280.305836] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  280.305897] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  280.313101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  280.313106] Call Trace:
[  280.313112]  <IRQ>
[  280.313126]  dump_stack+0x244/0x39d
[  280.313142]  ? dump_stack_print_info.cold.1+0x20/0x20
[  280.319704] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  280.328983]  warn_alloc.cold.116+0xb7/0x1bd
[  280.331530] ksoftirqd/1 cpuset=/ mems_allowed=0
[  280.333681]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  280.366524]  ? lock_downgrade+0x900/0x900
[  280.370671]  ? trace_hardirqs_off+0xb8/0x310
[  280.375074]  ? trace_hardirqs_off+0xb8/0x310
[  280.379485]  __alloc_pages_slowpath+0x26e8/0x2e10
[  280.384351]  ? warn_alloc+0x120/0x120
[  280.388160]  ? print_usage_bug+0xc0/0xc0
[  280.392212]  ? warn_alloc+0x120/0x120
[  280.396019]  ? warn_alloc+0x120/0x120
[  280.399809]  ? print_usage_bug+0xc0/0xc0
[  280.403861]  ? kvm_clock_read+0x18/0x30
[  280.407830]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  280.412842]  ? print_usage_bug+0xc0/0xc0
[  280.416896]  ? __lock_acquire+0x62f/0x4c20
[  280.421128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.426656]  ? should_fail+0x22d/0xd01
[  280.430534]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.435803]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.440894]  ? __lock_acquire+0x62f/0x4c20
[  280.445124]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.450227]  ? __lock_acquire+0x62f/0x4c20
[  280.454450]  ? should_fail+0x22d/0xd01
[  280.458324]  ? rcu_irq_exit+0x1a2/0x390
[  280.462296]  ? mark_held_locks+0x130/0x130
[  280.466530]  ? mark_held_locks+0x130/0x130
[  280.470754]  ? mark_held_locks+0xc7/0x130
[  280.474890]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  280.479892]  ? zap_class+0x640/0x640
[  280.483619]  ? print_usage_bug+0xc0/0xc0
[  280.487676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.493226]  ? check_preemption_disabled+0x48/0x280
[  280.498234]  ? __lock_is_held+0xb5/0x140
[  280.502284]  __alloc_pages_nodemask+0xa80/0xde0
[  280.506943]  ? zap_class+0x640/0x640
[  280.510738]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  280.515759]  ? find_held_lock+0x36/0x1c0
[  280.519817]  ? ____cache_alloc_node+0x1c7/0x1e0
[  280.524476]  ? lock_downgrade+0x900/0x900
[  280.528622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.534158]  cache_grow_begin+0xa5/0x8c0
[  280.538207]  ? do_raw_spin_unlock+0xa7/0x330
[  280.542620]  fallback_alloc+0x204/0x2e0
[  280.546608]  ____cache_alloc_node+0x1c7/0x1e0
[  280.551095]  kmem_cache_alloc_node+0xe3/0x730
[  280.555591]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.559829]  __alloc_skb+0x119/0x770
[  280.563530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.568797]  ? netdev_alloc_frag+0x1f0/0x1f0
[  280.573198]  ? lock_downgrade+0x900/0x900
[  280.577345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.582872]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.588313]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.593755]  ? addrconf_rs_timer+0x690/0x690
[  280.598204]  ndisc_alloc_skb+0x144/0x340
[  280.602362]  ndisc_send_rs+0x331/0x6e0
[  280.606248]  addrconf_rs_timer+0x314/0x690
[  280.610474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.614708]  call_timer_fn+0x272/0x920
[  280.618605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.622827]  ? process_timeout+0x40/0x40
[  280.626881]  ? __run_timers+0x7da/0xc70
[  280.630862]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.635359]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.639842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.644067]  ? lockdep_hardirqs_on+0x296/0x5b0
[  280.648642]  ? trace_hardirqs_on+0xbd/0x310
[  280.652950]  ? kasan_check_read+0x11/0x20
[  280.657086]  ? __run_timers+0x7da/0xc70
[  280.661048]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.666147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.670374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.674610]  __run_timers+0x7e5/0xc70
[  280.678408]  ? timer_fixup_init+0x70/0x70
[  280.682547]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.687566]  ? zap_class+0x640/0x640
[  280.691273]  ? enqueue_hrtimer+0x1a5/0x560
[  280.695536]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  280.700725]  ? find_held_lock+0x36/0x1c0
[  280.704780]  ? zap_class+0x640/0x640
[  280.708487]  ? pvclock_read_flags+0x160/0x160
[  280.712972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.718509]  ? check_preemption_disabled+0x48/0x280
[  280.723519]  ? __lock_is_held+0xb5/0x140
[  280.727574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.733126]  ? check_preemption_disabled+0x48/0x280
[  280.738137]  run_timer_softirq+0x52/0xb0
[  280.742189]  ? rcu_read_lock_sched_held+0x14f/0x180
[  280.747194]  __do_softirq+0x308/0xb7e
[  280.750990]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  280.755500]  ? lock_downgrade+0x900/0x900
[  280.759640]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  280.764737]  ? pvclock_read_flags+0x160/0x160
[  280.769220]  ? lapic_next_event+0x5a/0x90
[  280.773360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.778889]  ? kvm_clock_read+0x18/0x30
[  280.782855]  ? kvm_sched_clock_read+0x9/0x20
[  280.787258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.792783]  ? check_preemption_disabled+0x48/0x280
[  280.797803]  irq_exit+0x17f/0x1c0
[  280.801248]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.806078]  ? smp_reschedule_interrupt+0x109/0x650
[  280.811081]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.816953]  ? interrupt_entry+0xb5/0xc0
[  280.821012]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.826025]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.831041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.835895]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.840997]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.846001]  ? task_prio+0x50/0x50
[  280.849535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.855074]  ? check_preemption_disabled+0x48/0x280
[  280.860106]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.864943]  apic_timer_interrupt+0xf/0x20
[  280.869170]  </IRQ>
[  280.871397] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  280.876314] 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
[  280.895197] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  280.902890] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  280.910160] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  280.917422] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  280.924678] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  280.931935] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  280.939222]  skb_clone+0x1bb/0x500
[  280.942751]  ? finish_task_switch+0x2f4/0x910
[  280.947235]  ? skb_split+0x11e0/0x11e0
[  280.951109]  ? preempt_notifier_register+0x200/0x200
[  280.956194]  ? __switch_to_asm+0x34/0x70
[  280.960240]  ? __switch_to_asm+0x34/0x70
[  280.964293]  ? __switch_to_asm+0x40/0x70
[  280.968340]  ? __switch_to_asm+0x34/0x70
[  280.972388]  ? __switch_to_asm+0x40/0x70
[  280.976523]  ? __switch_to_asm+0x34/0x70
[  280.980577]  ? __switch_to_asm+0x40/0x70
[  280.984622]  ? __switch_to_asm+0x34/0x70
[  280.988673]  ? __switch_to_asm+0x34/0x70
[  280.992718]  ? __switch_to_asm+0x40/0x70
[  280.996784]  ? __switch_to_asm+0x34/0x70
[  281.000833]  bpf_clone_redirect+0xb9/0x490
[  281.005057]  ? __schedule+0x8d7/0x21d0
[  281.008939]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  281.013947]  ? __sched_text_start+0x8/0x8
[  281.018083]  ? retint_kernel+0x2d/0x2d
[  281.021957]  ? trace_hardirqs_on_caller+0xc0/0x310
[  281.026968]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.031724]  ? find_held_lock+0x36/0x1c0
[  281.035779]  ? lock_acquire+0x1ed/0x520
[  281.039743]  ? bpf_test_run+0x3cb/0x780
[  281.043705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.049229]  ? check_preemption_disabled+0x48/0x280
[  281.054363]  ? kasan_check_read+0x11/0x20
[  281.058496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.063765]  ? rcu_softirq_qs+0x20/0x20
[  281.067725]  ? preempt_schedule+0x4d/0x60
[  281.071859]  ? ___preempt_schedule+0x16/0x18
[  281.076260]  ? bpf_test_run+0x25d/0x780
[  281.080231]  ? netlink_diag_dump+0x2a0/0x2a0
[  281.084629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.090154]  ? bpf_test_init.isra.10+0x70/0x100
[  281.094813]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  281.099568]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  281.104394]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  281.109931]  ? fput+0x130/0x1a0
[  281.113204]  ? __bpf_prog_get+0x9b/0x290
[  281.117255]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  281.122086]  ? bpf_prog_test_run+0x130/0x1a0
[  281.126710]  ? __x64_sys_bpf+0x3d8/0x520
[  281.130761]  ? bpf_prog_get+0x20/0x20
[  281.134570]  ? do_syscall_64+0x1b9/0x820
[  281.138620]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  281.143968]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.148882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.153746]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.158771]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  281.163775]  ? prepare_exit_to_usermode+0x291/0x3b0
[  281.168785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.173652]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  281.179012] warn_alloc_show_mem: 1 callbacks suppressed
[  281.179020] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  281.179021] Mem-Info:
[  281.179048] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  281.179048]  active_file:12 inactive_file:13 isolated_file:0
[  281.179048]  unevictable:0 dirty:0 writeback:0 unstable:0
[  281.179048]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  281.179048]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  281.179048]  free:13767 free_pcp:247 free_cma:0
[  281.184373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.184379] Call Trace:
[  281.191294] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  281.193686]  dump_stack+0x244/0x39d
[  281.226721] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  281.236058]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.238612] lowmem_reserve[]: 0 2818 6321 6321
[  281.266463]  warn_alloc.cold.116+0xb7/0x1bd
[  281.270050] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  281.296141]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.301294] lowmem_reserve[]: 0 0 3503 3503
[  281.305862]  ? lock_downgrade+0x900/0x900
[  281.310149] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  281.337977]  ? trace_hardirqs_off+0xb8/0x310
[  281.342779] lowmem_reserve[]: 0 0 0 0
[  281.347091]  ? trace_hardirqs_off+0xb8/0x310
[  281.351201] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  281.380157]  __alloc_pages_slowpath+0x26e8/0x2e10
[  281.384531] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  281.388336]  ? warn_alloc+0x120/0x120
[  281.392686] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  281.406204]  ? print_usage_bug+0xc0/0xc0
[  281.411014] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  281.411024] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  281.411030] 2041 total pagecache pages
[  281.426187]  ? warn_alloc+0x120/0x120
[  281.429967] 0 pages in swap cache
[  281.445203]  ? warn_alloc+0x120/0x120
[  281.449230] Swap cache stats: add 0, delete 0, find 0/0
[  281.449236] Free swap  = 0kB
[  281.458141]  ? print_usage_bug+0xc0/0xc0
[  281.466764] Total swap = 0kB
[  281.466771] 1965979 pages RAM
[  281.470652]  ? print_usage_bug+0xc0/0xc0
[  281.474416] 0 pages HighMem/MovableOnly
[  281.474422] 342854 pages reserved
[  281.477860]  ? __lock_acquire+0x62f/0x4c20
[  281.481628] 0 pages cma reserved
[  281.486971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.490007] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.493999]  ? should_fail+0x22d/0xd01
[  281.497032] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.500075]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.504133] syz-executor3 cpuset=syz3 mems_allowed=0
[  281.508091]  ? __lock_acquire+0x62f/0x4c20
[  281.559897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.564987]  ? __lock_acquire+0x62f/0x4c20
[  281.569209]  ? should_fail+0x22d/0xd01
[  281.573080]  ? find_held_lock+0x36/0x1c0
[  281.577133]  ? mark_held_locks+0x130/0x130
[  281.581360]  ? mark_held_locks+0x130/0x130
[  281.585578]  ? zap_class+0x640/0x640
[  281.589283]  ? mark_held_locks+0xc7/0x130
[  281.593416]  ? do_raw_spin_unlock+0xa7/0x330
[  281.597814]  ? zap_class+0x640/0x640
[  281.601516]  ? print_usage_bug+0xc0/0xc0
[  281.605569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.611183]  ? check_preemption_disabled+0x48/0x280
[  281.616192]  ? __lock_is_held+0xb5/0x140
[  281.620241]  __alloc_pages_nodemask+0xa80/0xde0
[  281.624896]  ? zap_class+0x640/0x640
[  281.628599]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  281.633610]  ? find_held_lock+0x36/0x1c0
[  281.637687]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.642458]  ? lock_downgrade+0x900/0x900
[  281.646608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.652134]  cache_grow_begin+0xa5/0x8c0
[  281.656182]  ? do_raw_spin_unlock+0xa7/0x330
[  281.660585]  fallback_alloc+0x204/0x2e0
[  281.664552]  ____cache_alloc_node+0x1c7/0x1e0
[  281.669037]  kmem_cache_alloc_node+0xe3/0x730
[  281.673518]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.677749]  __alloc_skb+0x119/0x770
[  281.681447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.686718]  ? netdev_alloc_frag+0x1f0/0x1f0
[  281.691115]  ? lock_downgrade+0x900/0x900
[  281.695255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.700778]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.706220]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.711656]  ? addrconf_rs_timer+0x690/0x690
[  281.716060]  ndisc_alloc_skb+0x144/0x340
[  281.720109]  ndisc_send_rs+0x331/0x6e0
[  281.723993]  addrconf_rs_timer+0x314/0x690
[  281.728218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.732445]  call_timer_fn+0x272/0x920
[  281.736328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.740555]  ? process_timeout+0x40/0x40
[  281.744642]  ? __run_timers+0x7da/0xc70
[  281.748607]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.753085]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.757569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.761885]  ? lockdep_hardirqs_on+0x296/0x5b0
[  281.766455]  ? trace_hardirqs_on+0xbd/0x310
[  281.770769]  ? kasan_check_read+0x11/0x20
[  281.775251]  ? __run_timers+0x7da/0xc70
[  281.779214]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.784315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.788555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.792772]  __run_timers+0x7e5/0xc70
[  281.796566]  ? timer_fixup_init+0x70/0x70
[  281.800722]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.805202]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.809683]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  281.814251]  ? trace_hardirqs_on+0xbd/0x310
[  281.818561]  ? kasan_check_read+0x11/0x20
[  281.822697]  ? finish_task_switch+0x1f4/0x910
[  281.827177]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.832266]  ? compat_start_thread+0x80/0x80
[  281.836698]  ? pvclock_read_flags+0x160/0x160
[  281.841179]  ? __switch_to_asm+0x34/0x70
[  281.845241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.850773]  ? check_preemption_disabled+0x48/0x280
[  281.855804]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  281.861351]  ? rcu_pm_notify+0xc0/0xc0
[  281.865345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.870882]  ? check_preemption_disabled+0x48/0x280
[  281.875889]  run_timer_softirq+0x52/0xb0
[  281.879938]  ? rcu_read_lock_sched_held+0x14f/0x180
[  281.884940]  __do_softirq+0x308/0xb7e
[  281.888739]  ? trace_hardirqs_on_caller+0xc0/0x310
[  281.893678]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  281.898782]  ? trace_hardirqs_on+0x310/0x310
[  281.903201]  ? schedule+0x108/0x460
[  281.906826]  ? trace_hardirqs_off+0xb8/0x310
[  281.911244]  ? smpboot_thread_fn+0x68b/0xa00
[  281.915659]  ? trace_hardirqs_on+0x310/0x310
[  281.920059]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.925592]  ? check_preemption_disabled+0x48/0x280
[  281.930602]  ? takeover_tasklets+0xa90/0xa90
[  281.935013]  run_ksoftirqd+0x5e/0x100
[  281.938803]  smpboot_thread_fn+0x68b/0xa00
[  281.943033]  ? sort_range+0x30/0x30
[  281.946736]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.951851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.957377]  ? __kthread_parkme+0xfb/0x1a0
[  281.961884]  ? sort_range+0x30/0x30
[  281.965520]  kthread+0x35a/0x440
[  281.968875]  ? kthread_stop+0x900/0x900
[  281.972860]  ret_from_fork+0x3a/0x50
[  281.976581] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  281.976641] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.983841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.983846] Call Trace:
[  281.983852]  <IRQ>
[  281.983864]  dump_stack+0x244/0x39d
[  281.983881]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.990452] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.999697]  warn_alloc.cold.116+0xb7/0x1bd
[  282.002243] ksoftirqd/1 cpuset=/ mems_allowed=0
[  282.004379]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.037231]  ? lock_downgrade+0x900/0x900
[  282.041382]  ? trace_hardirqs_off+0xb8/0x310
[  282.045785]  ? trace_hardirqs_off+0xb8/0x310
[  282.050186]  __alloc_pages_slowpath+0x26e8/0x2e10
[  282.055041]  ? warn_alloc+0x120/0x120
[  282.058833]  ? print_usage_bug+0xc0/0xc0
[  282.062886]  ? warn_alloc+0x120/0x120
[  282.066678]  ? warn_alloc+0x120/0x120
[  282.070477]  ? print_usage_bug+0xc0/0xc0
[  282.074527]  ? print_usage_bug+0xc0/0xc0
[  282.078580]  ? __lock_acquire+0x62f/0x4c20
[  282.082832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.089002]  ? should_fail+0x22d/0xd01
[  282.092910]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.098012]  ? __lock_acquire+0x62f/0x4c20
[  282.102237]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.107328]  ? __lock_acquire+0x62f/0x4c20
[  282.111562]  ? should_fail+0x22d/0xd01
[  282.115449]  ? find_held_lock+0x36/0x1c0
[  282.119508]  ? mark_held_locks+0x130/0x130
[  282.123734]  ? mark_held_locks+0x130/0x130
[  282.127957]  ? zap_class+0x640/0x640
[  282.131706]  ? zap_class+0x640/0x640
[  282.135411]  ? print_usage_bug+0xc0/0xc0
[  282.139466]  ? do_raw_spin_unlock+0xa7/0x330
[  282.143862]  ? zap_class+0x640/0x640
[  282.147563]  ? print_usage_bug+0xc0/0xc0
[  282.151721]  ? wq_watchdog_touch+0x9c/0xfe
[  282.155945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.161477]  ? check_preemption_disabled+0x48/0x280
[  282.166501]  ? __lock_is_held+0xb5/0x140
[  282.170567]  __alloc_pages_nodemask+0xa80/0xde0
[  282.175220]  ? zap_class+0x640/0x640
[  282.178942]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  282.183957]  ? find_held_lock+0x36/0x1c0
[  282.188015]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.192678]  ? lock_downgrade+0x900/0x900
[  282.196820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.202347]  cache_grow_begin+0xa5/0x8c0
[  282.206393]  ? do_raw_spin_unlock+0xa7/0x330
[  282.210797]  fallback_alloc+0x204/0x2e0
[  282.214765]  ____cache_alloc_node+0x1c7/0x1e0
[  282.219250]  kmem_cache_alloc_node+0xe3/0x730
[  282.223819]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.228049]  __alloc_skb+0x119/0x770
[  282.231777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.237044]  ? netdev_alloc_frag+0x1f0/0x1f0
[  282.241446]  ? lock_downgrade+0x900/0x900
[  282.245584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.251110]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.256556]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.261990]  ? addrconf_rs_timer+0x690/0x690
[  282.266393]  ndisc_alloc_skb+0x144/0x340
[  282.270461]  ndisc_send_rs+0x331/0x6e0
[  282.274339]  addrconf_rs_timer+0x314/0x690
[  282.278566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.282800]  call_timer_fn+0x272/0x920
[  282.286675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.290905]  ? process_timeout+0x40/0x40
[  282.294968]  ? __run_timers+0x7da/0xc70
[  282.298930]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.303431]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.307928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.312149]  ? lockdep_hardirqs_on+0x296/0x5b0
[  282.316716]  ? trace_hardirqs_on+0xbd/0x310
[  282.321037]  ? kasan_check_read+0x11/0x20
[  282.325179]  ? __run_timers+0x7da/0xc70
[  282.329147]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.334242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.338501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.342729]  __run_timers+0x7e5/0xc70
[  282.346537]  ? timer_fixup_init+0x70/0x70
[  282.350674]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.355680]  ? zap_class+0x640/0x640
[  282.359404]  ? enqueue_hrtimer+0x1a5/0x560
[  282.363637]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.368819]  ? find_held_lock+0x36/0x1c0
[  282.372869]  ? zap_class+0x640/0x640
[  282.376575]  ? pvclock_read_flags+0x160/0x160
[  282.381066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.386594]  ? check_preemption_disabled+0x48/0x280
[  282.391616]  ? __lock_is_held+0xb5/0x140
[  282.395672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.401198]  ? check_preemption_disabled+0x48/0x280
[  282.406206]  run_timer_softirq+0x52/0xb0
[  282.410255]  ? rcu_read_lock_sched_held+0x14f/0x180
[  282.415388]  __do_softirq+0x308/0xb7e
[  282.419204]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  282.423691]  ? lock_downgrade+0x900/0x900
[  282.427836]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  282.432946]  ? pvclock_read_flags+0x160/0x160
[  282.437451]  ? lapic_next_event+0x5a/0x90
[  282.441589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.447118]  ? kvm_clock_read+0x18/0x30
[  282.451080]  ? kvm_sched_clock_read+0x9/0x20
[  282.455477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.461002]  ? check_preemption_disabled+0x48/0x280
[  282.466015]  irq_exit+0x17f/0x1c0
[  282.469460]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.474289]  ? smp_reschedule_interrupt+0x109/0x650
[  282.479312]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.485186]  ? interrupt_entry+0xb5/0xc0
[  282.489234]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.494240]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.499789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.504630]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.509674]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.514675]  ? task_prio+0x50/0x50
[  282.518203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.523730]  ? check_preemption_disabled+0x48/0x280
[  282.528751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.533586]  apic_timer_interrupt+0xf/0x20
[  282.537808]  </IRQ>
[  282.540036] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  282.544954] 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
[  282.563837] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  282.571622] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  282.578880] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  282.586137] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  282.593389] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  282.600652] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  282.607934]  skb_clone+0x1bb/0x500
[  282.611483]  ? finish_task_switch+0x2f4/0x910
[  282.615977]  ? skb_split+0x11e0/0x11e0
[  282.619872]  ? preempt_notifier_register+0x200/0x200
[  282.624958]  ? __switch_to_asm+0x34/0x70
[  282.629007]  ? __switch_to_asm+0x34/0x70
[  282.633056]  ? __switch_to_asm+0x40/0x70
[  282.637109]  ? __switch_to_asm+0x34/0x70
[  282.641161]  ? __switch_to_asm+0x40/0x70
[  282.645205]  ? __switch_to_asm+0x34/0x70
[  282.649255]  ? __switch_to_asm+0x40/0x70
[  282.653305]  ? __switch_to_asm+0x34/0x70
[  282.657350]  ? __switch_to_asm+0x34/0x70
[  282.661410]  ? __switch_to_asm+0x40/0x70
[  282.665474]  ? __switch_to_asm+0x34/0x70
[  282.669527]  bpf_clone_redirect+0xb9/0x490
[  282.673747]  ? __schedule+0x8d7/0x21d0
[  282.677627]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  282.682636]  ? __sched_text_start+0x8/0x8
[  282.686773]  ? retint_kernel+0x2d/0x2d
[  282.690649]  ? trace_hardirqs_on_caller+0xc0/0x310
[  282.695567]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.700330]  ? find_held_lock+0x36/0x1c0
[  282.704397]  ? lock_acquire+0x1ed/0x520
[  282.708366]  ? bpf_test_run+0x3cb/0x780
[  282.712425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.717960]  ? check_preemption_disabled+0x48/0x280
[  282.722973]  ? kasan_check_read+0x11/0x20
[  282.727142]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.732414]  ? rcu_softirq_qs+0x20/0x20
[  282.736508]  ? preempt_schedule+0x4d/0x60
[  282.740682]  ? ___preempt_schedule+0x16/0x18
[  282.745086]  ? bpf_test_run+0x25d/0x780
[  282.749059]  ? netlink_diag_dump+0x2a0/0x2a0
[  282.753460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.759004]  ? bpf_test_init.isra.10+0x70/0x100
[  282.763670]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  282.768429]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  282.773271]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  282.778808]  ? fput+0x130/0x1a0
[  282.782082]  ? __bpf_prog_get+0x9b/0x290
[  282.786145]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  282.790987]  ? bpf_prog_test_run+0x130/0x1a0
[  282.795409]  ? __x64_sys_bpf+0x3d8/0x520
[  282.799459]  ? bpf_prog_get+0x20/0x20
[  282.803273]  ? do_syscall_64+0x1b9/0x820
[  282.807322]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  282.812681]  ? syscall_return_slowpath+0x5e0/0x5e0
[  282.817599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.822434]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.827441]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  282.832566]  ? prepare_exit_to_usermode+0x291/0x3b0
[  282.837580]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.842422]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  282.847787] warn_alloc_show_mem: 1 callbacks suppressed
[  282.847796] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  282.847797] Mem-Info:
[  282.847830] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  282.847830]  active_file:12 inactive_file:13 isolated_file:0
[  282.847830]  unevictable:0 dirty:0 writeback:0 unstable:0
[  282.847830]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  282.847830]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  282.847830]  free:13767 free_pcp:247 free_cma:0
[  282.853155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  282.860076] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  282.862461] Call Trace:
[  282.895484] 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
[  282.904946]  dump_stack+0x244/0x39d
[  282.932577] lowmem_reserve[]: 0 2818 6321 6321
[  282.935153]  ? dump_stack_print_info.cold.1+0x20/0x20
[  282.961721] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  282.965342]  warn_alloc.cold.116+0xb7/0x1bd
[  282.969880] lowmem_reserve[]: 0 0 3503 3503
[  282.975073]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.002884] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  283.007201]  ? lock_downgrade+0x900/0x900
[  283.011493] lowmem_reserve[]: 0 0 0 0
[  283.016329]  ? trace_hardirqs_off+0xb8/0x310
[  283.045265] 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
[  283.049487]  ? trace_hardirqs_off+0xb8/0x310
[  283.053252] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  283.057652]  __alloc_pages_slowpath+0x26e8/0x2e10
[  283.071249] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  283.075668]  ? warn_alloc+0x120/0x120
[  283.090794] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  283.095615]  ? print_usage_bug+0xc0/0xc0
[  283.110841] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  283.110848] 2041 total pagecache pages
[  283.114632]  ? warn_alloc+0x120/0x120
[  283.123549] 0 pages in swap cache
[  283.128122]  ? warn_alloc+0x120/0x120
[  283.136669] Swap cache stats: add 0, delete 0, find 0/0
[  283.140551]  ? print_usage_bug+0xc0/0xc0
[  283.144317] Free swap  = 0kB
[  283.147765]  ? print_usage_bug+0xc0/0xc0
[  283.151549] Total swap = 0kB
[  283.151556] 1965979 pages RAM
[  283.156902]  ? __lock_acquire+0x62f/0x4c20
[  283.160926] 0 pages HighMem/MovableOnly
[  283.160933] 342854 pages reserved
[  283.163937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.167966] 0 pages cma reserved
[  283.170974]  ? should_fail+0x22d/0xd01
[  283.174118] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.178283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.182302] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.185674]  ? __lock_acquire+0x62f/0x4c20
[  283.191180] syz-executor3 cpuset=syz3 mems_allowed=0
[  283.194532]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.234799]  ? __lock_acquire+0x62f/0x4c20
[  283.239042]  ? should_fail+0x22d/0xd01
[  283.242923]  ? mark_held_locks+0x130/0x130
[  283.247149]  ? mark_held_locks+0x130/0x130
[  283.251373]  ? lock_downgrade+0x900/0x900
[  283.255510]  ? zap_class+0x640/0x640
[  283.259208]  ? print_usage_bug+0xc0/0xc0
[  283.263261]  ? trace_hardirqs_off+0xb8/0x310
[  283.267666]  ? kasan_check_read+0x11/0x20
[  283.271799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.277325]  ? check_preemption_disabled+0x48/0x280
[  283.282358]  ? __lock_is_held+0xb5/0x140
[  283.286414]  __alloc_pages_nodemask+0xa80/0xde0
[  283.291074]  ? zap_class+0x640/0x640
[  283.294780]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  283.299794]  ? find_held_lock+0x36/0x1c0
[  283.303855]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.308510]  ? lock_downgrade+0x900/0x900
[  283.312654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.318181]  cache_grow_begin+0xa5/0x8c0
[  283.322229]  ? do_raw_spin_unlock+0xa7/0x330
[  283.326648]  fallback_alloc+0x204/0x2e0
[  283.330618]  ____cache_alloc_node+0x1c7/0x1e0
[  283.335105]  kmem_cache_alloc_node+0xe3/0x730
[  283.339591]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.343826]  __alloc_skb+0x119/0x770
[  283.347527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.352794]  ? netdev_alloc_frag+0x1f0/0x1f0
[  283.357203]  ? lock_downgrade+0x900/0x900
[  283.361368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.366891]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.372334]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.377776]  ? addrconf_rs_timer+0x690/0x690
[  283.382184]  ndisc_alloc_skb+0x144/0x340
[  283.386235]  ndisc_send_rs+0x331/0x6e0
[  283.390117]  addrconf_rs_timer+0x314/0x690
[  283.394360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.398622]  call_timer_fn+0x272/0x920
[  283.402499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.406823]  ? process_timeout+0x40/0x40
[  283.410885]  ? __run_timers+0x7da/0xc70
[  283.414855]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.419347]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.423836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.428087]  ? lockdep_hardirqs_on+0x296/0x5b0
[  283.432664]  ? trace_hardirqs_on+0xbd/0x310
[  283.436975]  ? kasan_check_read+0x11/0x20
[  283.441131]  ? __run_timers+0x7da/0xc70
[  283.445096]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.450196]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.454423]  __run_timers+0x7e5/0xc70
[  283.458220]  ? timer_fixup_init+0x70/0x70
[  283.462358]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.466849]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.471340]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.475912]  ? trace_hardirqs_on+0xbd/0x310
[  283.480224]  ? kasan_check_read+0x11/0x20
[  283.484478]  ? finish_task_switch+0x1f4/0x910
[  283.488997]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.494095]  ? compat_start_thread+0x80/0x80
[  283.498509]  ? pvclock_read_flags+0x160/0x160
[  283.502990]  ? __switch_to_asm+0x34/0x70
[  283.507038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.512564]  ? check_preemption_disabled+0x48/0x280
[  283.517577]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  283.523102]  ? rcu_pm_notify+0xc0/0xc0
[  283.526996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.532522]  ? check_preemption_disabled+0x48/0x280
[  283.537532]  run_timer_softirq+0x52/0xb0
[  283.541582]  ? rcu_read_lock_sched_held+0x14f/0x180
[  283.546593]  __do_softirq+0x308/0xb7e
[  283.550393]  ? trace_hardirqs_on_caller+0xc0/0x310
[  283.555321]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  283.560412]  ? trace_hardirqs_on+0x310/0x310
[  283.564825]  ? schedule+0x108/0x460
[  283.568477]  ? trace_hardirqs_off+0xb8/0x310
[  283.572876]  ? smpboot_thread_fn+0x68b/0xa00
[  283.577273]  ? trace_hardirqs_on+0x310/0x310
[  283.581668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.587194]  ? check_preemption_disabled+0x48/0x280
[  283.592397]  ? takeover_tasklets+0xa90/0xa90
[  283.596792]  run_ksoftirqd+0x5e/0x100
[  283.600578]  smpboot_thread_fn+0x68b/0xa00
[  283.604801]  ? sort_range+0x30/0x30
[  283.608454]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.613565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.619093]  ? __kthread_parkme+0xfb/0x1a0
[  283.623437]  ? sort_range+0x30/0x30
[  283.627067]  kthread+0x35a/0x440
[  283.630420]  ? kthread_stop+0x900/0x900
[  283.634381]  ret_from_fork+0x3a/0x50
[  283.638097] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  283.638151] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.645358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.645362] Call Trace:
[  283.645368]  <IRQ>
[  283.645381]  dump_stack+0x244/0x39d
[  283.645398]  ? dump_stack_print_info.cold.1+0x20/0x20
[  283.651947] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.661217]  warn_alloc.cold.116+0xb7/0x1bd
[  283.663773] ksoftirqd/1 cpuset=/ mems_allowed=0
[  283.665906]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.698726]  ? lock_downgrade+0x900/0x900
[  283.702866]  ? trace_hardirqs_off+0xb8/0x310
[  283.707265]  ? trace_hardirqs_off+0xb8/0x310
[  283.711685]  __alloc_pages_slowpath+0x26e8/0x2e10
[  283.716537]  ? warn_alloc+0x120/0x120
[  283.720335]  ? print_usage_bug+0xc0/0xc0
[  283.724389]  ? warn_alloc+0x120/0x120
[  283.728190]  ? warn_alloc+0x120/0x120
[  283.731982]  ? print_usage_bug+0xc0/0xc0
[  283.736038]  ? kvm_clock_read+0x18/0x30
[  283.739998]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  283.745005]  ? print_usage_bug+0xc0/0xc0
[  283.749065]  ? __lock_acquire+0x62f/0x4c20
[  283.753292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.758826]  ? should_fail+0x22d/0xd01
[  283.762716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.767981]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.773189]  ? __lock_acquire+0x62f/0x4c20
[  283.777501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.782590]  ? __lock_acquire+0x62f/0x4c20
[  283.786812]  ? should_fail+0x22d/0xd01
[  283.790683]  ? rcu_irq_exit+0x1a2/0x390
[  283.794679]  ? mark_held_locks+0x130/0x130
[  283.798919]  ? mark_held_locks+0x130/0x130
[  283.803143]  ? mark_held_locks+0xc7/0x130
[  283.807277]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  283.812301]  ? zap_class+0x640/0x640
[  283.816007]  ? print_usage_bug+0xc0/0xc0
[  283.820058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.825585]  ? check_preemption_disabled+0x48/0x280
[  283.830597]  ? __lock_is_held+0xb5/0x140
[  283.834652]  __alloc_pages_nodemask+0xa80/0xde0
[  283.839324]  ? zap_class+0x640/0x640
[  283.843032]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  283.848063]  ? find_held_lock+0x36/0x1c0
[  283.852119]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.856775]  ? lock_downgrade+0x900/0x900
[  283.861000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.866647]  cache_grow_begin+0xa5/0x8c0
[  283.870696]  ? do_raw_spin_unlock+0xa7/0x330
[  283.875190]  fallback_alloc+0x204/0x2e0
[  283.879173]  ____cache_alloc_node+0x1c7/0x1e0
[  283.883659]  kmem_cache_alloc_node+0xe3/0x730
[  283.888161]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.892490]  __alloc_skb+0x119/0x770
[  283.896208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.901475]  ? netdev_alloc_frag+0x1f0/0x1f0
[  283.905869]  ? lock_downgrade+0x900/0x900
[  283.910057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.915601]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.921040]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.926477]  ? addrconf_rs_timer+0x690/0x690
[  283.930933]  ndisc_alloc_skb+0x144/0x340
[  283.935001]  ndisc_send_rs+0x331/0x6e0
[  283.938911]  addrconf_rs_timer+0x314/0x690
[  283.943157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.947410]  call_timer_fn+0x272/0x920
[  283.951301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.955523]  ? process_timeout+0x40/0x40
[  283.960014]  ? __run_timers+0x7da/0xc70
[  283.964003]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.968490]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.972984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.977245]  ? lockdep_hardirqs_on+0x296/0x5b0
[  283.981849]  ? trace_hardirqs_on+0xbd/0x310
[  283.986198]  ? kasan_check_read+0x11/0x20
[  283.990352]  ? __run_timers+0x7da/0xc70
[  283.994320]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.999468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.003700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.007921]  __run_timers+0x7e5/0xc70
[  284.011742]  ? timer_fixup_init+0x70/0x70
[  284.015888]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.020891]  ? zap_class+0x640/0x640
[  284.024593]  ? enqueue_hrtimer+0x1a5/0x560
[  284.028820]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  284.034052]  ? find_held_lock+0x36/0x1c0
[  284.038135]  ? zap_class+0x640/0x640
[  284.041969]  ? pvclock_read_flags+0x160/0x160
[  284.046529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.052093]  ? check_preemption_disabled+0x48/0x280
[  284.057105]  ? __lock_is_held+0xb5/0x140
[  284.061188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.066735]  ? check_preemption_disabled+0x48/0x280
[  284.071782]  run_timer_softirq+0x52/0xb0
[  284.075853]  ? rcu_read_lock_sched_held+0x14f/0x180
[  284.080873]  __do_softirq+0x308/0xb7e
[  284.084690]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.089188]  ? lock_downgrade+0x900/0x900
[  284.093332]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  284.098513]  ? pvclock_read_flags+0x160/0x160
[  284.103005]  ? lapic_next_event+0x5a/0x90
[  284.107178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.112731]  ? kvm_clock_read+0x18/0x30
[  284.116744]  ? kvm_sched_clock_read+0x9/0x20
[  284.121196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.126732]  ? check_preemption_disabled+0x48/0x280
[  284.131778]  irq_exit+0x17f/0x1c0
[  284.135224]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.140079]  ? smp_reschedule_interrupt+0x109/0x650
[  284.145137]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.151025]  ? interrupt_entry+0xb5/0xc0
[  284.155082]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.160083]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.165099]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.169931]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.174935]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.179964]  ? task_prio+0x50/0x50
[  284.183515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.189073]  ? check_preemption_disabled+0x48/0x280
[  284.194103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.198940]  apic_timer_interrupt+0xf/0x20
[  284.203154]  </IRQ>
[  284.205402] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.210355] 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
[  284.229240] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  284.236960] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  284.244216] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  284.251494] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  284.258771] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  284.266026] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  284.273323]  skb_clone+0x1bb/0x500
[  284.276850]  ? finish_task_switch+0x2f4/0x910
[  284.281364]  ? skb_split+0x11e0/0x11e0
[  284.285244]  ? preempt_notifier_register+0x200/0x200
[  284.290341]  ? __switch_to_asm+0x34/0x70
[  284.294399]  ? __switch_to_asm+0x34/0x70
[  284.298482]  ? __switch_to_asm+0x40/0x70
[  284.302580]  ? __switch_to_asm+0x34/0x70
[  284.306671]  ? __switch_to_asm+0x40/0x70
[  284.310728]  ? __switch_to_asm+0x34/0x70
[  284.314775]  ? __switch_to_asm+0x40/0x70
[  284.318821]  ? __switch_to_asm+0x34/0x70
[  284.322884]  ? __switch_to_asm+0x34/0x70
[  284.326928]  ? __switch_to_asm+0x40/0x70
[  284.330972]  ? __switch_to_asm+0x34/0x70
[  284.335025]  bpf_clone_redirect+0xb9/0x490
[  284.339255]  ? __schedule+0x8d7/0x21d0
[  284.343137]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  284.348139]  ? __sched_text_start+0x8/0x8
[  284.352280]  ? retint_kernel+0x2d/0x2d
[  284.356166]  ? trace_hardirqs_on_caller+0xc0/0x310
[  284.361090]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.365856]  ? find_held_lock+0x36/0x1c0
[  284.369909]  ? lock_acquire+0x1ed/0x520
[  284.373882]  ? bpf_test_run+0x3cb/0x780
[  284.377845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.383379]  ? check_preemption_disabled+0x48/0x280
[  284.388388]  ? kasan_check_read+0x11/0x20
[  284.392523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.397785]  ? rcu_softirq_qs+0x20/0x20
[  284.401752]  ? preempt_schedule+0x4d/0x60
[  284.405895]  ? ___preempt_schedule+0x16/0x18
[  284.410296]  ? bpf_test_run+0x25d/0x780
[  284.414273]  ? netlink_diag_dump+0x2a0/0x2a0
[  284.418689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.424235]  ? bpf_test_init.isra.10+0x70/0x100
[  284.428907]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  284.433655]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  284.438498]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.444058]  ? fput+0x130/0x1a0
[  284.447335]  ? __bpf_prog_get+0x9b/0x290
[  284.451385]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  284.456211]  ? bpf_prog_test_run+0x130/0x1a0
[  284.460605]  ? __x64_sys_bpf+0x3d8/0x520
[  284.464651]  ? bpf_prog_get+0x20/0x20
[  284.468452]  ? do_syscall_64+0x1b9/0x820
[  284.472502]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  284.477865]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.482783]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.487614]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.492746]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  284.497750]  ? prepare_exit_to_usermode+0x291/0x3b0
[  284.502758]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.507600]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  284.512975] warn_alloc_show_mem: 1 callbacks suppressed
[  284.512983] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  284.512984] Mem-Info:
[  284.513010] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  284.513010]  active_file:12 inactive_file:13 isolated_file:0
[  284.513010]  unevictable:0 dirty:0 writeback:0 unstable:0
[  284.513010]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  284.513010]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  284.513010]  free:13767 free_pcp:247 free_cma:0
[  284.518340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.525265] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  284.527643] Call Trace:
[  284.560668] 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
[  284.570004]  dump_stack+0x244/0x39d
[  284.597632] lowmem_reserve[]: 0 2818 6321 6321
[  284.600205]  ? dump_stack_print_info.cold.1+0x20/0x20
[  284.626276] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  284.629891]  warn_alloc.cold.116+0xb7/0x1bd
[  284.634428] lowmem_reserve[]: 0 0 3503 3503
[  284.639713]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.667541] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  284.671845]  ? lock_downgrade+0x900/0x900
[  284.676155] lowmem_reserve[]: 0 0 0 0
[  284.680989]  ? trace_hardirqs_off+0xb8/0x310
[  284.709922] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  284.714056]  ? trace_hardirqs_off+0xb8/0x310
[  284.717815] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  284.722215]  __alloc_pages_slowpath+0x26e8/0x2e10
[  284.735723] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  284.740142]  ? warn_alloc+0x120/0x120
[  284.755284] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  284.760099]  ? print_usage_bug+0xc0/0xc0
[  284.775423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  284.779198]  ? warn_alloc+0x120/0x120
[  284.788092] 2041 total pagecache pages
[  284.792139]  ? warn_alloc+0x120/0x120
[  284.800683] 0 pages in swap cache
[  284.804461]  ? print_usage_bug+0xc0/0xc0
[  284.808319] Swap cache stats: add 0, delete 0, find 0/0
[  284.812113]  ? print_usage_bug+0xc0/0xc0
[  284.815532] Free swap  = 0kB
[  284.819579]  ? __lock_acquire+0x62f/0x4c20
[  284.824904] Total swap = 0kB
[  284.824910] 1965979 pages RAM
[  284.828950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.831932] 0 pages HighMem/MovableOnly
[  284.831938] 342854 pages reserved
[  284.836150]  ? should_fail+0x22d/0xd01
[  284.839129] 0 pages cma reserved
[  284.839190] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.842225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.847780] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.851696]  ? __lock_acquire+0x62f/0x4c20
[  284.855116] syz-executor3 cpuset=syz3 mems_allowed=0
[  284.858983]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.898715]  ? __lock_acquire+0x62f/0x4c20
[  284.902938]  ? should_fail+0x22d/0xd01
[  284.906812]  ? find_held_lock+0x36/0x1c0
[  284.910869]  ? mark_held_locks+0x130/0x130
[  284.915094]  ? mark_held_locks+0x130/0x130
[  284.919321]  ? zap_class+0x640/0x640
[  284.923034]  ? mark_held_locks+0xc7/0x130
[  284.927165]  ? do_raw_spin_unlock+0xa7/0x330
[  284.931561]  ? zap_class+0x640/0x640
[  284.935279]  ? print_usage_bug+0xc0/0xc0
[  284.939338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.944866]  ? check_preemption_disabled+0x48/0x280
[  284.949876]  ? __lock_is_held+0xb5/0x140
[  284.953926]  __alloc_pages_nodemask+0xa80/0xde0
[  284.958601]  ? zap_class+0x640/0x640
[  284.962306]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  284.967320]  ? find_held_lock+0x36/0x1c0
[  284.971394]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.976049]  ? lock_downgrade+0x900/0x900
[  284.980225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.985754]  cache_grow_begin+0xa5/0x8c0
[  284.989810]  ? do_raw_spin_unlock+0xa7/0x330
[  284.994218]  fallback_alloc+0x204/0x2e0
[  284.998182]  ____cache_alloc_node+0x1c7/0x1e0
[  285.002673]  kmem_cache_alloc_node+0xe3/0x730
[  285.007167]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.011403]  __alloc_skb+0x119/0x770
[  285.015104]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.020368]  ? netdev_alloc_frag+0x1f0/0x1f0
[  285.024875]  ? lock_downgrade+0x900/0x900
[  285.029015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.034541]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.039987]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.045432]  ? addrconf_rs_timer+0x690/0x690
[  285.049836]  ndisc_alloc_skb+0x144/0x340
[  285.053887]  ndisc_send_rs+0x331/0x6e0
[  285.057764]  addrconf_rs_timer+0x314/0x690
[  285.062100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.066338]  call_timer_fn+0x272/0x920
[  285.070214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.074434]  ? process_timeout+0x40/0x40
[  285.078487]  ? __run_timers+0x7da/0xc70
[  285.082448]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.086928]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.091417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.095636]  ? lockdep_hardirqs_on+0x296/0x5b0
[  285.100210]  ? trace_hardirqs_on+0xbd/0x310
[  285.104530]  ? kasan_check_read+0x11/0x20
[  285.108661]  ? __run_timers+0x7da/0xc70
[  285.112629]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.117722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.121952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.126646]  __run_timers+0x7e5/0xc70
[  285.130443]  ? timer_fixup_init+0x70/0x70
[  285.134578]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.139061]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.143562]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  285.148139]  ? trace_hardirqs_on+0xbd/0x310
[  285.152447]  ? kasan_check_read+0x11/0x20
[  285.156582]  ? finish_task_switch+0x1f4/0x910
[  285.161071]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.166163]  ? compat_start_thread+0x80/0x80
[  285.170594]  ? pvclock_read_flags+0x160/0x160
[  285.175072]  ? __switch_to_asm+0x34/0x70
[  285.179138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.184667]  ? check_preemption_disabled+0x48/0x280
[  285.189679]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  285.195215]  ? rcu_pm_notify+0xc0/0xc0
[  285.199098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.204630]  ? check_preemption_disabled+0x48/0x280
[  285.209639]  run_timer_softirq+0x52/0xb0
[  285.213686]  ? rcu_read_lock_sched_held+0x14f/0x180
[  285.218698]  __do_softirq+0x308/0xb7e
[  285.222488]  ? trace_hardirqs_on_caller+0xc0/0x310
[  285.227432]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  285.232526]  ? trace_hardirqs_on+0x310/0x310
[  285.236922]  ? schedule+0x108/0x460
[  285.240556]  ? trace_hardirqs_off+0xb8/0x310
[  285.244952]  ? smpboot_thread_fn+0x68b/0xa00
[  285.249375]  ? trace_hardirqs_on+0x310/0x310
[  285.253770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.259296]  ? check_preemption_disabled+0x48/0x280
[  285.264308]  ? takeover_tasklets+0xa90/0xa90
[  285.268709]  run_ksoftirqd+0x5e/0x100
[  285.272499]  smpboot_thread_fn+0x68b/0xa00
[  285.276722]  ? sort_range+0x30/0x30
[  285.280336]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.285428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.291041]  ? __kthread_parkme+0xfb/0x1a0
[  285.295266]  ? sort_range+0x30/0x30
[  285.298878]  kthread+0x35a/0x440
[  285.302234]  ? kthread_stop+0x900/0x900
[  285.306199]  ret_from_fork+0x3a/0x50
[  285.309912] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  285.309974] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.317179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.317188] Call Trace:
[  285.323724] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.332982]  <IRQ>
[  285.335541] ksoftirqd/1 cpuset=/ mems_allowed=0
[  285.345830]  dump_stack+0x244/0x39d
[  285.356212]  ? dump_stack_print_info.cold.1+0x20/0x20
[  285.361399]  warn_alloc.cold.116+0xb7/0x1bd
[  285.365708]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.370550]  ? lock_downgrade+0x900/0x900
[  285.374691]  ? trace_hardirqs_off+0xb8/0x310
[  285.379095]  ? trace_hardirqs_off+0xb8/0x310
[  285.383497]  __alloc_pages_slowpath+0x26e8/0x2e10
[  285.388346]  ? warn_alloc+0x120/0x120
[  285.392133]  ? print_usage_bug+0xc0/0xc0
[  285.396194]  ? warn_alloc+0x120/0x120
[  285.399986]  ? warn_alloc+0x120/0x120
[  285.403779]  ? print_usage_bug+0xc0/0xc0
[  285.407843]  ? print_usage_bug+0xc0/0xc0
[  285.411902]  ? __lock_acquire+0x62f/0x4c20
[  285.416134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.421662]  ? should_fail+0x22d/0xd01
[  285.425542]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.430630]  ? __lock_acquire+0x62f/0x4c20
[  285.434857]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.439947]  ? __lock_acquire+0x62f/0x4c20
[  285.444179]  ? should_fail+0x22d/0xd01
[  285.448053]  ? find_held_lock+0x36/0x1c0
[  285.452105]  ? mark_held_locks+0x130/0x130
[  285.456330]  ? mark_held_locks+0x130/0x130
[  285.460549]  ? zap_class+0x640/0x640
[  285.464253]  ? zap_class+0x640/0x640
[  285.467957]  ? print_usage_bug+0xc0/0xc0
[  285.472002]  ? do_raw_spin_unlock+0xa7/0x330
[  285.476407]  ? zap_class+0x640/0x640
[  285.480106]  ? print_usage_bug+0xc0/0xc0
[  285.484150]  ? wq_watchdog_touch+0x9c/0xfe
[  285.488392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.493917]  ? check_preemption_disabled+0x48/0x280
[  285.498924]  ? __lock_is_held+0xb5/0x140
[  285.502978]  __alloc_pages_nodemask+0xa80/0xde0
[  285.507632]  ? zap_class+0x640/0x640
[  285.511335]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  285.516391]  ? find_held_lock+0x36/0x1c0
[  285.520447]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.525105]  ? lock_downgrade+0x900/0x900
[  285.529252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.534787]  cache_grow_begin+0xa5/0x8c0
[  285.538835]  ? do_raw_spin_unlock+0xa7/0x330
[  285.543264]  fallback_alloc+0x204/0x2e0
[  285.547233]  ____cache_alloc_node+0x1c7/0x1e0
[  285.551720]  kmem_cache_alloc_node+0xe3/0x730
[  285.556203]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.560433]  __alloc_skb+0x119/0x770
[  285.564135]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.569435]  ? netdev_alloc_frag+0x1f0/0x1f0
[  285.573830]  ? lock_downgrade+0x900/0x900
[  285.577969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.583491]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.588937]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.594373]  ? addrconf_rs_timer+0x690/0x690
[  285.598775]  ndisc_alloc_skb+0x144/0x340
[  285.602823]  ndisc_send_rs+0x331/0x6e0
[  285.606710]  addrconf_rs_timer+0x314/0x690
[  285.610934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.615171]  call_timer_fn+0x272/0x920
[  285.619052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.623282]  ? process_timeout+0x40/0x40
[  285.627417]  ? __run_timers+0x7da/0xc70
[  285.631388]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.635878]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.640364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.644598]  ? lockdep_hardirqs_on+0x296/0x5b0
[  285.649180]  ? trace_hardirqs_on+0xbd/0x310
[  285.653613]  ? kasan_check_read+0x11/0x20
[  285.657751]  ? __run_timers+0x7da/0xc70
[  285.661736]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.666838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.671092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.675319]  __run_timers+0x7e5/0xc70
[  285.679170]  ? timer_fixup_init+0x70/0x70
[  285.683319]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.688326]  ? zap_class+0x640/0x640
[  285.692038]  ? enqueue_hrtimer+0x1a5/0x560
[  285.696277]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  285.701471]  ? find_held_lock+0x36/0x1c0
[  285.705540]  ? zap_class+0x640/0x640
[  285.709269]  ? pvclock_read_flags+0x160/0x160
[  285.713761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.719289]  ? check_preemption_disabled+0x48/0x280
[  285.724322]  ? __lock_is_held+0xb5/0x140
[  285.728409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.733941]  ? check_preemption_disabled+0x48/0x280
[  285.738951]  run_timer_softirq+0x52/0xb0
[  285.743023]  ? rcu_read_lock_sched_held+0x14f/0x180
[  285.748031]  __do_softirq+0x308/0xb7e
[  285.751826]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  285.756315]  ? lock_downgrade+0x900/0x900
[  285.760469]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  285.765571]  ? pvclock_read_flags+0x160/0x160
[  285.770061]  ? lapic_next_event+0x5a/0x90
[  285.774205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.779827]  ? kvm_clock_read+0x18/0x30
[  285.783797]  ? kvm_sched_clock_read+0x9/0x20
[  285.788201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.793731]  ? check_preemption_disabled+0x48/0x280
[  285.798752]  irq_exit+0x17f/0x1c0
[  285.802208]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.807051]  ? smp_reschedule_interrupt+0x109/0x650
[  285.812064]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.817940]  ? interrupt_entry+0xb5/0xc0
[  285.821996]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.827013]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.832024]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.836865]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.841882]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.846892]  ? task_prio+0x50/0x50
[  285.850431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.855968]  ? check_preemption_disabled+0x48/0x280
[  285.860994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.865862]  apic_timer_interrupt+0xf/0x20
[  285.870089]  </IRQ>
[  285.872327] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  285.877258] 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
[  285.896153] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  285.903856] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  285.911152] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  285.918434] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  285.925696] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  285.932959] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  285.940256]  skb_clone+0x1bb/0x500
[  285.943793]  ? finish_task_switch+0x2f4/0x910
[  285.948287]  ? skb_split+0x11e0/0x11e0
[  285.952172]  ? preempt_notifier_register+0x200/0x200
[  285.957266]  ? __switch_to_asm+0x34/0x70
[  285.961836]  ? __switch_to_asm+0x34/0x70
[  285.965980]  ? __switch_to_asm+0x40/0x70
[  285.970033]  ? __switch_to_asm+0x34/0x70
[  285.974088]  ? __switch_to_asm+0x40/0x70
[  285.978149]  ? __switch_to_asm+0x34/0x70
[  285.982210]  ? __switch_to_asm+0x40/0x70
[  285.986262]  ? __switch_to_asm+0x34/0x70
[  285.990317]  ? __switch_to_asm+0x34/0x70
[  285.994470]  ? __switch_to_asm+0x40/0x70
[  285.998524]  ? __switch_to_asm+0x34/0x70
[  286.002589]  bpf_clone_redirect+0xb9/0x490
[  286.006818]  ? __schedule+0x8d7/0x21d0
[  286.010706]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  286.015739]  ? __sched_text_start+0x8/0x8
[  286.019883]  ? retint_kernel+0x2d/0x2d
[  286.023765]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.028687]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.033446]  ? find_held_lock+0x36/0x1c0
[  286.037513]  ? lock_acquire+0x1ed/0x520
[  286.041484]  ? bpf_test_run+0x3cb/0x780
[  286.045457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.051014]  ? check_preemption_disabled+0x48/0x280
[  286.056032]  ? kasan_check_read+0x11/0x20
[  286.060185]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.065453]  ? rcu_softirq_qs+0x20/0x20
[  286.069507]  ? preempt_schedule+0x4d/0x60
[  286.073641]  ? ___preempt_schedule+0x16/0x18
[  286.078058]  ? bpf_test_run+0x25d/0x780
[  286.082033]  ? netlink_diag_dump+0x2a0/0x2a0
[  286.087032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.092589]  ? bpf_test_init.isra.10+0x70/0x100
[  286.097276]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  286.102035]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  286.106866]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  286.112412]  ? fput+0x130/0x1a0
[  286.115686]  ? __bpf_prog_get+0x9b/0x290
[  286.119740]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  286.124582]  ? bpf_prog_test_run+0x130/0x1a0
[  286.128989]  ? __x64_sys_bpf+0x3d8/0x520
[  286.133060]  ? bpf_prog_get+0x20/0x20
[  286.136880]  ? do_syscall_64+0x1b9/0x820
[  286.140929]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  286.146284]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.151209]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.156042]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.161060]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  286.166066]  ? prepare_exit_to_usermode+0x291/0x3b0
[  286.171089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.175940]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  286.181314] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  286.181318] warn_alloc_show_mem: 1 callbacks suppressed
[  286.181324] Mem-Info:
[  286.188235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.188242] Call Trace:
[  286.193621] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  286.193621]  active_file:12 inactive_file:13 isolated_file:0
[  286.193621]  unevictable:0 dirty:0 writeback:0 unstable:0
[  286.193621]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  286.193621]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  286.193621]  free:13767 free_pcp:247 free_cma:0
[  286.196012]  dump_stack+0x244/0x39d
[  286.205477] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  286.208044]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.241153] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  286.244775]  warn_alloc.cold.116+0xb7/0x1bd
[  286.272403] lowmem_reserve[]: 0 2818 6321 6321
[  286.277584]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.303659] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  286.307967]  ? lock_downgrade+0x900/0x900
[  286.312508] lowmem_reserve[]: 0 0 3503 3503
[  286.317342]  ? trace_hardirqs_off+0xb8/0x310
[  286.345149] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  286.349282]  ? trace_hardirqs_off+0xb8/0x310
[  286.353563] lowmem_reserve[]: 0 0 0 0
[  286.357970]  __alloc_pages_slowpath+0x26e8/0x2e10
[  286.386905] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  286.391333]  ? warn_alloc+0x120/0x120
[  286.395076] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  286.399932]  ? print_usage_bug+0xc0/0xc0
[  286.413441] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  286.417254]  ? warn_alloc+0x120/0x120
[  286.432394] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  286.436433]  ? warn_alloc+0x120/0x120
[  286.451672] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  286.455452]  ? print_usage_bug+0xc0/0xc0
[  286.464253] 2041 total pagecache pages
[  286.468035]  ? print_usage_bug+0xc0/0xc0
[  286.476579] 0 pages in swap cache
[  286.480617]  ? __lock_acquire+0x62f/0x4c20
[  286.484500] Swap cache stats: add 0, delete 0, find 0/0
[  286.484506] Free swap  = 0kB
[  286.488549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.491975] Total swap = 0kB
[  286.496196]  ? should_fail+0x22d/0xd01
[  286.501522] 1965979 pages RAM
[  286.504536]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.510043] 0 pages HighMem/MovableOnly
[  286.510049] 342854 pages reserved
[  286.513045]  ? __lock_acquire+0x62f/0x4c20
[  286.516895] 0 pages cma reserved
[  286.516959] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.519988]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.519999]  ? __lock_acquire+0x62f/0x4c20
[  286.520012]  ? should_fail+0x22d/0xd01
[  286.525134] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.529039]  ? find_held_lock+0x36/0x1c0
[  286.532468] syz-executor3 cpuset=syz3 mems_allowed=0
[  286.536684]  ? mark_held_locks+0x130/0x130
[  286.583590]  ? mark_held_locks+0x130/0x130
[  286.587823]  ? zap_class+0x640/0x640
[  286.591525]  ? mark_held_locks+0xc7/0x130
[  286.595659]  ? do_raw_spin_unlock+0xa7/0x330
[  286.600053]  ? zap_class+0x640/0x640
[  286.603762]  ? print_usage_bug+0xc0/0xc0
[  286.607814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.613339]  ? check_preemption_disabled+0x48/0x280
[  286.618349]  ? __lock_is_held+0xb5/0x140
[  286.622400]  __alloc_pages_nodemask+0xa80/0xde0
[  286.627074]  ? zap_class+0x640/0x640
[  286.630778]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  286.635790]  ? find_held_lock+0x36/0x1c0
[  286.639853]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.644512]  ? lock_downgrade+0x900/0x900
[  286.648670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.654209]  cache_grow_begin+0xa5/0x8c0
[  286.658274]  ? do_raw_spin_unlock+0xa7/0x330
[  286.662779]  fallback_alloc+0x204/0x2e0
[  286.666745]  ____cache_alloc_node+0x1c7/0x1e0
[  286.671251]  kmem_cache_alloc_node+0xe3/0x730
[  286.675735]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.679965]  __alloc_skb+0x119/0x770
[  286.683666]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.688934]  ? netdev_alloc_frag+0x1f0/0x1f0
[  286.693330]  ? lock_downgrade+0x900/0x900
[  286.697471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.702996]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.708441]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.713877]  ? addrconf_rs_timer+0x690/0x690
[  286.718278]  ndisc_alloc_skb+0x144/0x340
[  286.722330]  ndisc_send_rs+0x331/0x6e0
[  286.726208]  addrconf_rs_timer+0x314/0x690
[  286.730433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.734671]  call_timer_fn+0x272/0x920
[  286.738543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.742768]  ? process_timeout+0x40/0x40
[  286.746828]  ? __run_timers+0x7da/0xc70
[  286.750794]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.755273]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.759753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.763981]  ? lockdep_hardirqs_on+0x296/0x5b0
[  286.768550]  ? trace_hardirqs_on+0xbd/0x310
[  286.772859]  ? kasan_check_read+0x11/0x20
[  286.776993]  ? __run_timers+0x7da/0xc70
[  286.780958]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.786070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.790298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.794542]  __run_timers+0x7e5/0xc70
[  286.798343]  ? timer_fixup_init+0x70/0x70
[  286.802484]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.807002]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.811505]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  286.816083]  ? trace_hardirqs_on+0xbd/0x310
[  286.820397]  ? kasan_check_read+0x11/0x20
[  286.824536]  ? finish_task_switch+0x1f4/0x910
[  286.829022]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.834115]  ? compat_start_thread+0x80/0x80
[  286.838530]  ? pvclock_read_flags+0x160/0x160
[  286.843022]  ? __switch_to_asm+0x34/0x70
[  286.847097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.852638]  ? check_preemption_disabled+0x48/0x280
[  286.857647]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  286.863181]  ? rcu_pm_notify+0xc0/0xc0
[  286.867063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.872591]  ? check_preemption_disabled+0x48/0x280
[  286.877599]  run_timer_softirq+0x52/0xb0
[  286.881647]  ? rcu_read_lock_sched_held+0x14f/0x180
[  286.886687]  __do_softirq+0x308/0xb7e
[  286.890477]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.895396]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  286.900495]  ? trace_hardirqs_on+0x310/0x310
[  286.904895]  ? schedule+0x108/0x460
[  286.908540]  ? trace_hardirqs_off+0xb8/0x310
[  286.912943]  ? smpboot_thread_fn+0x68b/0xa00
[  286.917337]  ? trace_hardirqs_on+0x310/0x310
[  286.921736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.927355]  ? check_preemption_disabled+0x48/0x280
[  286.932360]  ? takeover_tasklets+0xa90/0xa90
[  286.936771]  run_ksoftirqd+0x5e/0x100
[  286.940577]  smpboot_thread_fn+0x68b/0xa00
[  286.944813]  ? sort_range+0x30/0x30
[  286.948430]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  286.953569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.959096]  ? __kthread_parkme+0xfb/0x1a0
[  286.963345]  ? sort_range+0x30/0x30
[  286.966970]  kthread+0x35a/0x440
[  286.970326]  ? kthread_stop+0x900/0x900
[  286.974294]  ret_from_fork+0x3a/0x50
[  286.978008] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  286.978081] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.985286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.985290] Call Trace:
[  286.985296]  <IRQ>
[  286.985308]  dump_stack+0x244/0x39d
[  286.985323]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.991951] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.001241]  warn_alloc.cold.116+0xb7/0x1bd
[  287.003793] ksoftirqd/1 cpuset=/ mems_allowed=0
[  287.005931]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.038877]  ? lock_downgrade+0x900/0x900
[  287.043019]  ? trace_hardirqs_off+0xb8/0x310
[  287.047551]  ? trace_hardirqs_off+0xb8/0x310
[  287.051972]  __alloc_pages_slowpath+0x26e8/0x2e10
[  287.056830]  ? warn_alloc+0x120/0x120
[  287.060624]  ? print_usage_bug+0xc0/0xc0
[  287.064677]  ? warn_alloc+0x120/0x120
[  287.068469]  ? warn_alloc+0x120/0x120
[  287.072279]  ? print_usage_bug+0xc0/0xc0
[  287.076335]  ? print_usage_bug+0xc0/0xc0
[  287.080413]  ? __lock_acquire+0x62f/0x4c20
[  287.084641]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.090268]  ? should_fail+0x22d/0xd01
[  287.094148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.099237]  ? __lock_acquire+0x62f/0x4c20
[  287.103470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.108562]  ? __lock_acquire+0x62f/0x4c20
[  287.112784]  ? should_fail+0x22d/0xd01
[  287.116666]  ? find_held_lock+0x36/0x1c0
[  287.120742]  ? mark_held_locks+0x130/0x130
[  287.124973]  ? mark_held_locks+0x130/0x130
[  287.129365]  ? zap_class+0x640/0x640
[  287.133067]  ? zap_class+0x640/0x640
[  287.136770]  ? print_usage_bug+0xc0/0xc0
[  287.140817]  ? do_raw_spin_unlock+0xa7/0x330
[  287.145213]  ? zap_class+0x640/0x640
[  287.148920]  ? print_usage_bug+0xc0/0xc0
[  287.153005]  ? wq_watchdog_touch+0x9c/0xfe
[  287.157251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.162797]  ? check_preemption_disabled+0x48/0x280
[  287.167807]  ? __lock_is_held+0xb5/0x140
[  287.171862]  __alloc_pages_nodemask+0xa80/0xde0
[  287.176521]  ? zap_class+0x640/0x640
[  287.180235]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  287.185247]  ? find_held_lock+0x36/0x1c0
[  287.189305]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.193963]  ? lock_downgrade+0x900/0x900
[  287.198110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.203648]  cache_grow_begin+0xa5/0x8c0
[  287.207696]  ? do_raw_spin_unlock+0xa7/0x330
[  287.212115]  fallback_alloc+0x204/0x2e0
[  287.216084]  ____cache_alloc_node+0x1c7/0x1e0
[  287.220570]  kmem_cache_alloc_node+0xe3/0x730
[  287.225055]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.229286]  __alloc_skb+0x119/0x770
[  287.233001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.238278]  ? netdev_alloc_frag+0x1f0/0x1f0
[  287.242676]  ? lock_downgrade+0x900/0x900
[  287.246905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.252435]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.257876]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.263315]  ? addrconf_rs_timer+0x690/0x690
[  287.267727]  ndisc_alloc_skb+0x144/0x340
[  287.271796]  ndisc_send_rs+0x331/0x6e0
[  287.275680]  addrconf_rs_timer+0x314/0x690
[  287.279910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.284157]  call_timer_fn+0x272/0x920
[  287.288039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.292275]  ? process_timeout+0x40/0x40
[  287.296349]  ? __run_timers+0x7da/0xc70
[  287.300315]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.304797]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.309278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.313504]  ? lockdep_hardirqs_on+0x296/0x5b0
[  287.318073]  ? trace_hardirqs_on+0xbd/0x310
[  287.322386]  ? kasan_check_read+0x11/0x20
[  287.326521]  ? __run_timers+0x7da/0xc70
[  287.330482]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.335577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.339819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.344054]  __run_timers+0x7e5/0xc70
[  287.347876]  ? timer_fixup_init+0x70/0x70
[  287.352028]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  287.357045]  ? zap_class+0x640/0x640
[  287.360754]  ? enqueue_hrtimer+0x1a5/0x560
[  287.364983]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  287.370201]  ? find_held_lock+0x36/0x1c0
[  287.374284]  ? zap_class+0x640/0x640
[  287.378055]  ? pvclock_read_flags+0x160/0x160
[  287.384371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.389914]  ? check_preemption_disabled+0x48/0x280
[  287.394933]  ? __lock_is_held+0xb5/0x140
[  287.398987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.404533]  ? check_preemption_disabled+0x48/0x280
[  287.409547]  run_timer_softirq+0x52/0xb0
[  287.413603]  ? rcu_read_lock_sched_held+0x14f/0x180
[  287.418625]  __do_softirq+0x308/0xb7e
[  287.422448]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  287.426938]  ? lock_downgrade+0x900/0x900
[  287.431098]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  287.436238]  ? pvclock_read_flags+0x160/0x160
[  287.440726]  ? lapic_next_event+0x5a/0x90
[  287.444863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.450403]  ? kvm_clock_read+0x18/0x30
[  287.454365]  ? kvm_sched_clock_read+0x9/0x20
[  287.458772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.464298]  ? check_preemption_disabled+0x48/0x280
[  287.469309]  irq_exit+0x17f/0x1c0
[  287.472753]  smp_apic_timer_interrupt+0x1cb/0x760
[  287.477602]  ? smp_reschedule_interrupt+0x109/0x650
[  287.482609]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.488479]  ? interrupt_entry+0xb5/0xc0
[  287.492525]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.497534]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.502536]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.507369]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.512370]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.517373]  ? task_prio+0x50/0x50
[  287.520900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.526425]  ? check_preemption_disabled+0x48/0x280
[  287.531430]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.536266]  apic_timer_interrupt+0xf/0x20
[  287.540480]  </IRQ>
[  287.542705] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  287.547624] 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
[  287.566512] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  287.574206] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  287.581550] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  287.588806] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  287.596061] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  287.603318] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  287.610601]  skb_clone+0x1bb/0x500
[  287.614127]  ? finish_task_switch+0x2f4/0x910
[  287.618609]  ? skb_split+0x11e0/0x11e0
[  287.622485]  ? preempt_notifier_register+0x200/0x200
[  287.627574]  ? __switch_to_asm+0x34/0x70
[  287.631628]  ? __switch_to_asm+0x34/0x70
[  287.635672]  ? __switch_to_asm+0x40/0x70
[  287.639716]  ? __switch_to_asm+0x34/0x70
[  287.643762]  ? __switch_to_asm+0x40/0x70
[  287.647811]  ? __switch_to_asm+0x34/0x70
[  287.651856]  ? __switch_to_asm+0x40/0x70
[  287.655924]  ? __switch_to_asm+0x34/0x70
[  287.659979]  ? __switch_to_asm+0x34/0x70
[  287.664027]  ? __switch_to_asm+0x40/0x70
[  287.668075]  ? __switch_to_asm+0x34/0x70
[  287.672151]  bpf_clone_redirect+0xb9/0x490
[  287.676377]  ? __schedule+0x8d7/0x21d0
[  287.680259]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  287.685266]  ? __sched_text_start+0x8/0x8
[  287.689402]  ? retint_kernel+0x2d/0x2d
[  287.693289]  ? trace_hardirqs_on_caller+0xc0/0x310
[  287.698209]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.702980]  ? find_held_lock+0x36/0x1c0
[  287.707055]  ? lock_acquire+0x1ed/0x520
[  287.711022]  ? bpf_test_run+0x3cb/0x780
[  287.715000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.720526]  ? check_preemption_disabled+0x48/0x280
[  287.725535]  ? kasan_check_read+0x11/0x20
[  287.729672]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.734941]  ? rcu_softirq_qs+0x20/0x20
[  287.738915]  ? preempt_schedule+0x4d/0x60
[  287.743060]  ? ___preempt_schedule+0x16/0x18
[  287.747465]  ? bpf_test_run+0x25d/0x780
[  287.751442]  ? netlink_diag_dump+0x2a0/0x2a0
[  287.755842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.761367]  ? bpf_test_init.isra.10+0x70/0x100
[  287.766038]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  287.770804]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  287.775634]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  287.781165]  ? fput+0x130/0x1a0
[  287.784440]  ? __bpf_prog_get+0x9b/0x290
[  287.788507]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  287.793342]  ? bpf_prog_test_run+0x130/0x1a0
[  287.797746]  ? __x64_sys_bpf+0x3d8/0x520
[  287.801806]  ? bpf_prog_get+0x20/0x20
[  287.805611]  ? do_syscall_64+0x1b9/0x820
[  287.809670]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  287.815116]  ? syscall_return_slowpath+0x5e0/0x5e0
[  287.820075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.824926]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.829930]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  287.834938]  ? prepare_exit_to_usermode+0x291/0x3b0
[  287.839954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.844816]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  287.850193] warn_alloc_show_mem: 1 callbacks suppressed
[  287.850201] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  287.850203] Mem-Info:
[  287.850230] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  287.850230]  active_file:12 inactive_file:13 isolated_file:0
[  287.850230]  unevictable:0 dirty:0 writeback:0 unstable:0
[  287.850230]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  287.850230]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  287.850230]  free:13767 free_pcp:247 free_cma:0
[  287.855554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.855560] Call Trace:
[  287.862487] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  287.864888]  dump_stack+0x244/0x39d
[  287.897901] 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
[  287.907242]  ? dump_stack_print_info.cold.1+0x20/0x20
[  287.909790] lowmem_reserve[]: 0 2818 6321 6321
[  287.937589]  warn_alloc.cold.116+0xb7/0x1bd
[  287.941266] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  287.967551]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.972710] lowmem_reserve[]: 0 0 3503 3503
[  287.977280]  ? lock_downgrade+0x900/0x900
[  287.981569] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  288.009492]  ? trace_hardirqs_off+0xb8/0x310
[  288.014293] lowmem_reserve[]: 0 0 0 0
[  288.018605]  ? trace_hardirqs_off+0xb8/0x310
[  288.022717] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  288.051685]  __alloc_pages_slowpath+0x26e8/0x2e10
[  288.056071] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  288.059918]  ? warn_alloc+0x120/0x120
[  288.064281] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  288.077793]  ? print_usage_bug+0xc0/0xc0
[  288.082716] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  288.097869]  ? warn_alloc+0x120/0x120
[  288.101635] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  288.101642] 2041 total pagecache pages
[  288.116882]  ? warn_alloc+0x120/0x120
[  288.120915] 0 pages in swap cache
[  288.129727]  ? print_usage_bug+0xc0/0xc0
[  288.133497] Swap cache stats: add 0, delete 0, find 0/0
[  288.142051]  ? print_usage_bug+0xc0/0xc0
[  288.145917] Free swap  = 0kB
[  288.149702]  ? __lock_acquire+0x62f/0x4c20
[  288.153116] Total swap = 0kB
[  288.153123] 1965979 pages RAM
[  288.157179]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.162501] 0 pages HighMem/MovableOnly
[  288.162508] 342854 pages reserved
[  288.166573]  ? should_fail+0x22d/0xd01
[  288.169558] 0 pages cma reserved
[  288.169618] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.173784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.176822] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.179859]  ? __lock_acquire+0x62f/0x4c20
[  288.185390] syz-executor3 cpuset=syz3 mems_allowed=0
[  288.189350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.236764]  ? __lock_acquire+0x62f/0x4c20
[  288.240993]  ? should_fail+0x22d/0xd01
[  288.244872]  ? find_held_lock+0x36/0x1c0
[  288.248935]  ? mark_held_locks+0x130/0x130
[  288.253177]  ? mark_held_locks+0x130/0x130
[  288.257404]  ? zap_class+0x640/0x640
[  288.261116]  ? mark_held_locks+0xc7/0x130
[  288.265269]  ? do_raw_spin_unlock+0xa7/0x330
[  288.269689]  ? zap_class+0x640/0x640
[  288.273395]  ? print_usage_bug+0xc0/0xc0
[  288.277461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.282992]  ? check_preemption_disabled+0x48/0x280
[  288.288019]  ? __lock_is_held+0xb5/0x140
[  288.292081]  __alloc_pages_nodemask+0xa80/0xde0
[  288.296748]  ? zap_class+0x640/0x640
[  288.300469]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  288.305483]  ? find_held_lock+0x36/0x1c0
[  288.309547]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.314219]  ? lock_downgrade+0x900/0x900
[  288.318363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.323895]  cache_grow_begin+0xa5/0x8c0
[  288.327952]  ? do_raw_spin_unlock+0xa7/0x330
[  288.332357]  fallback_alloc+0x204/0x2e0
[  288.336332]  ____cache_alloc_node+0x1c7/0x1e0
[  288.340836]  kmem_cache_alloc_node+0xe3/0x730
[  288.345323]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.349565]  __alloc_skb+0x119/0x770
[  288.353302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.358569]  ? netdev_alloc_frag+0x1f0/0x1f0
[  288.362974]  ? lock_downgrade+0x900/0x900
[  288.367120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.372649]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.378096]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.383623]  ? addrconf_rs_timer+0x690/0x690
[  288.388035]  ndisc_alloc_skb+0x144/0x340
[  288.392106]  ndisc_send_rs+0x331/0x6e0
[  288.396007]  addrconf_rs_timer+0x314/0x690
[  288.400244]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.404493]  call_timer_fn+0x272/0x920
[  288.408378]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.412606]  ? process_timeout+0x40/0x40
[  288.416668]  ? __run_timers+0x7da/0xc70
[  288.420649]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.425155]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.429648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.433879]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.438468]  ? trace_hardirqs_on+0xbd/0x310
[  288.442837]  ? kasan_check_read+0x11/0x20
[  288.446983]  ? __run_timers+0x7da/0xc70
[  288.450971]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.456078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.460328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.464559]  __run_timers+0x7e5/0xc70
[  288.468371]  ? timer_fixup_init+0x70/0x70
[  288.472516]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.477010]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.481506]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  288.486090]  ? trace_hardirqs_on+0xbd/0x310
[  288.490411]  ? kasan_check_read+0x11/0x20
[  288.494563]  ? finish_task_switch+0x1f4/0x910
[  288.499063]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.504217]  ? compat_start_thread+0x80/0x80
[  288.508664]  ? pvclock_read_flags+0x160/0x160
[  288.513160]  ? __switch_to_asm+0x34/0x70
[  288.517220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.522759]  ? check_preemption_disabled+0x48/0x280
[  288.527785]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  288.533321]  ? rcu_pm_notify+0xc0/0xc0
[  288.537210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.542746]  ? check_preemption_disabled+0x48/0x280
[  288.547809]  run_timer_softirq+0x52/0xb0
[  288.551870]  ? rcu_read_lock_sched_held+0x14f/0x180
[  288.556896]  __do_softirq+0x308/0xb7e
[  288.560710]  ? trace_hardirqs_on_caller+0xc0/0x310
[  288.565643]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  288.570746]  ? trace_hardirqs_on+0x310/0x310
[  288.575299]  ? schedule+0x108/0x460
[  288.578983]  ? trace_hardirqs_off+0xb8/0x310
[  288.583395]  ? smpboot_thread_fn+0x68b/0xa00
[  288.587805]  ? trace_hardirqs_on+0x310/0x310
[  288.592216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.597771]  ? check_preemption_disabled+0x48/0x280
[  288.602790]  ? takeover_tasklets+0xa90/0xa90
[  288.607200]  run_ksoftirqd+0x5e/0x100
[  288.611003]  smpboot_thread_fn+0x68b/0xa00
[  288.615245]  ? sort_range+0x30/0x30
[  288.618871]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.623984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.629520]  ? __kthread_parkme+0xfb/0x1a0
[  288.633771]  ? sort_range+0x30/0x30
[  288.637398]  kthread+0x35a/0x440
[  288.640770]  ? kthread_stop+0x900/0x900
[  288.644760]  ret_from_fork+0x3a/0x50
[  288.648494] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  288.648561] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.655820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.655825] Call Trace:
[  288.655831]  <IRQ>
[  288.655847]  dump_stack+0x244/0x39d
[  288.655865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  288.662411] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.671714]  warn_alloc.cold.116+0xb7/0x1bd
[  288.674286] ksoftirqd/1 cpuset=/ mems_allowed=0
[  288.676430]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.709304]  ? lock_downgrade+0x900/0x900
[  288.713459]  ? trace_hardirqs_off+0xb8/0x310
[  288.717877]  ? trace_hardirqs_off+0xb8/0x310
[  288.722306]  __alloc_pages_slowpath+0x26e8/0x2e10
[  288.727174]  ? warn_alloc+0x120/0x120
[  288.730980]  ? print_usage_bug+0xc0/0xc0
[  288.735042]  ? warn_alloc+0x120/0x120
[  288.738847]  ? warn_alloc+0x120/0x120
[  288.742647]  ? print_usage_bug+0xc0/0xc0
[  288.746716]  ? print_usage_bug+0xc0/0xc0
[  288.750776]  ? __lock_acquire+0x62f/0x4c20
[  288.755018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.760553]  ? should_fail+0x22d/0xd01
[  288.764444]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.769547]  ? __lock_acquire+0x62f/0x4c20
[  288.773788]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.779014]  ? __lock_acquire+0x62f/0x4c20
[  288.783248]  ? should_fail+0x22d/0xd01
[  288.787133]  ? find_held_lock+0x36/0x1c0
[  288.791201]  ? mark_held_locks+0x130/0x130
[  288.795441]  ? mark_held_locks+0x130/0x130
[  288.799674]  ? zap_class+0x640/0x640
[  288.803386]  ? zap_class+0x640/0x640
[  288.807101]  ? print_usage_bug+0xc0/0xc0
[  288.811173]  ? do_raw_spin_unlock+0xa7/0x330
[  288.815579]  ? zap_class+0x640/0x640
[  288.819290]  ? print_usage_bug+0xc0/0xc0
[  288.823349]  ? wq_watchdog_touch+0x9c/0xfe
[  288.827587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.833125]  ? check_preemption_disabled+0x48/0x280
[  288.838149]  ? __lock_is_held+0xb5/0x140
[  288.842218]  __alloc_pages_nodemask+0xa80/0xde0
[  288.846907]  ? zap_class+0x640/0x640
[  288.850626]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  288.855652]  ? find_held_lock+0x36/0x1c0
[  288.859719]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.864392]  ? lock_downgrade+0x900/0x900
[  288.868551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.874091]  cache_grow_begin+0xa5/0x8c0
[  288.878151]  ? do_raw_spin_unlock+0xa7/0x330
[  288.882566]  fallback_alloc+0x204/0x2e0
[  288.886545]  ____cache_alloc_node+0x1c7/0x1e0
[  288.891045]  kmem_cache_alloc_node+0xe3/0x730
[  288.895541]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.899788]  __alloc_skb+0x119/0x770
[  288.903500]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.908781]  ? netdev_alloc_frag+0x1f0/0x1f0
[  288.913191]  ? lock_downgrade+0x900/0x900
[  288.917374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.922919]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.928372]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.933822]  ? addrconf_rs_timer+0x690/0x690
[  288.938240]  ndisc_alloc_skb+0x144/0x340
[  288.942309]  ndisc_send_rs+0x331/0x6e0
[  288.946200]  addrconf_rs_timer+0x314/0x690
[  288.950438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.954686]  call_timer_fn+0x272/0x920
[  288.958571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.962803]  ? process_timeout+0x40/0x40
[  288.966881]  ? __run_timers+0x7da/0xc70
[  288.970860]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.975366]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.979858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.984110]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.988693]  ? trace_hardirqs_on+0xbd/0x310
[  288.993012]  ? kasan_check_read+0x11/0x20
[  288.997156]  ? __run_timers+0x7da/0xc70
[  289.001131]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.006237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.010478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.014711]  __run_timers+0x7e5/0xc70
[  289.018525]  ? timer_fixup_init+0x70/0x70
[  289.022674]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  289.027693]  ? zap_class+0x640/0x640
[  289.031410]  ? enqueue_hrtimer+0x1a5/0x560
[  289.035644]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  289.040839]  ? find_held_lock+0x36/0x1c0
[  289.044926]  ? zap_class+0x640/0x640
[  289.048645]  ? pvclock_read_flags+0x160/0x160
[  289.053141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.058677]  ? check_preemption_disabled+0x48/0x280
[  289.063699]  ? __lock_is_held+0xb5/0x140
[  289.067764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.073307]  ? check_preemption_disabled+0x48/0x280
[  289.078325]  run_timer_softirq+0x52/0xb0
[  289.082387]  ? rcu_read_lock_sched_held+0x14f/0x180
[  289.087403]  __do_softirq+0x308/0xb7e
[  289.091206]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.095701]  ? lock_downgrade+0x900/0x900
[  289.099849]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  289.104973]  ? pvclock_read_flags+0x160/0x160
[  289.109467]  ? lapic_next_event+0x5a/0x90
[  289.113615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.119154]  ? kvm_clock_read+0x18/0x30
[  289.123126]  ? kvm_sched_clock_read+0x9/0x20
[  289.127751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.133292]  ? check_preemption_disabled+0x48/0x280
[  289.138315]  irq_exit+0x17f/0x1c0
[  289.141769]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.146609]  ? smp_reschedule_interrupt+0x109/0x650
[  289.151624]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.157504]  ? interrupt_entry+0xb5/0xc0
[  289.161566]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.166581]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.171596]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.176441]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.181457]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.186476]  ? task_prio+0x50/0x50
[  289.190017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.195554]  ? check_preemption_disabled+0x48/0x280
[  289.200576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.205423]  apic_timer_interrupt+0xf/0x20
[  289.209654]  </IRQ>
[  289.211896] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  289.216830] 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
[  289.235745] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  289.243450] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  289.250717] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  289.257986] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  289.265255] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  289.272527] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  289.279827]  skb_clone+0x1bb/0x500
[  289.283378]  ? finish_task_switch+0x2f4/0x910
[  289.287891]  ? skb_split+0x11e0/0x11e0
[  289.291778]  ? preempt_notifier_register+0x200/0x200
[  289.296882]  ? __switch_to_asm+0x34/0x70
[  289.300940]  ? __switch_to_asm+0x34/0x70
[  289.304997]  ? __switch_to_asm+0x40/0x70
[  289.309058]  ? __switch_to_asm+0x34/0x70
[  289.313117]  ? __switch_to_asm+0x40/0x70
[  289.317177]  ? __switch_to_asm+0x34/0x70
[  289.321236]  ? __switch_to_asm+0x40/0x70
[  289.325296]  ? __switch_to_asm+0x34/0x70
[  289.329354]  ? __switch_to_asm+0x34/0x70
[  289.333413]  ? __switch_to_asm+0x40/0x70
[  289.337472]  ? __switch_to_asm+0x34/0x70
[  289.341534]  bpf_clone_redirect+0xb9/0x490
[  289.345766]  ? __schedule+0x8d7/0x21d0
[  289.349657]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  289.354672]  ? __sched_text_start+0x8/0x8
[  289.358818]  ? retint_kernel+0x2d/0x2d
[  289.362716]  ? trace_hardirqs_on_caller+0xc0/0x310
[  289.367643]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.372402]  ? find_held_lock+0x36/0x1c0
[  289.376473]  ? lock_acquire+0x1ed/0x520
[  289.380445]  ? bpf_test_run+0x3cb/0x780
[  289.384422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.389958]  ? check_preemption_disabled+0x48/0x280
[  289.394980]  ? kasan_check_read+0x11/0x20
[  289.399130]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.404407]  ? rcu_softirq_qs+0x20/0x20
[  289.408384]  ? preempt_schedule+0x4d/0x60
[  289.412531]  ? ___preempt_schedule+0x16/0x18
[  289.416949]  ? bpf_test_run+0x25d/0x780
[  289.420934]  ? netlink_diag_dump+0x2a0/0x2a0
[  289.425341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.430897]  ? bpf_test_init.isra.10+0x70/0x100
[  289.435572]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  289.440335]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  289.445176]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.450710]  ? fput+0x130/0x1a0
[  289.453988]  ? __bpf_prog_get+0x9b/0x290
[  289.458051]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  289.462892]  ? bpf_prog_test_run+0x130/0x1a0
[  289.467304]  ? __x64_sys_bpf+0x3d8/0x520
[  289.471366]  ? bpf_prog_get+0x20/0x20
[  289.475186]  ? do_syscall_64+0x1b9/0x820
[  289.479249]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  289.484611]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.489541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.494384]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.499405]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  289.504424]  ? prepare_exit_to_usermode+0x291/0x3b0
[  289.509448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.514296]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  289.519672] warn_alloc_show_mem: 1 callbacks suppressed
[  289.519682] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  289.519683] Mem-Info:
[  289.519714] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  289.519714]  active_file:12 inactive_file:13 isolated_file:0
[  289.519714]  unevictable:0 dirty:0 writeback:0 unstable:0
[  289.519714]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  289.519714]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  289.519714]  free:13767 free_pcp:247 free_cma:0
[  289.525046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.525053] Call Trace:
[  289.531982] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  289.534388]  dump_stack+0x244/0x39d
[  289.567416] 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
[  289.576768]  ? dump_stack_print_info.cold.1+0x20/0x20
[  289.579321] lowmem_reserve[]: 0 2818 6321 6321
[  289.607003]  warn_alloc.cold.116+0xb7/0x1bd
[  289.610597] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  289.636700]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.641861] lowmem_reserve[]: 0 0 3503 3503
[  289.646447]  ? lock_downgrade+0x900/0x900
[  289.650745] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  289.678587]  ? trace_hardirqs_off+0xb8/0x310
[  289.683399] lowmem_reserve[]: 0 0 0 0
[  289.687721]  ? trace_hardirqs_off+0xb8/0x310
[  289.691866] 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
[  289.720847]  __alloc_pages_slowpath+0x26e8/0x2e10
[  289.725226] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  289.729051]  ? warn_alloc+0x120/0x120
[  289.733411] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  289.746933]  ? print_usage_bug+0xc0/0xc0
[  289.751756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  289.766915]  ? warn_alloc+0x120/0x120
[  289.770698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  289.785946]  ? warn_alloc+0x120/0x120
[  289.789986] 2041 total pagecache pages
[  289.798828]  ? print_usage_bug+0xc0/0xc0
[  289.802609] 0 pages in swap cache
[  289.811174]  ? print_usage_bug+0xc0/0xc0
[  289.814956] Swap cache stats: add 0, delete 0, find 0/0
[  289.818864]  ? __lock_acquire+0x62f/0x4c20
[  289.822899] Free swap  = 0kB
[  289.826343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.830376] Total swap = 0kB
[  289.830383] 1965979 pages RAM
[  289.835737]  ? should_fail+0x22d/0xd01
[  289.839945] 0 pages HighMem/MovableOnly
[  289.839952] 342854 pages reserved
[  289.842963]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.848495] 0 pages cma reserved
[  289.848560] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.851511]  ? __lock_acquire+0x62f/0x4c20
[  289.851529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.851544]  ? __lock_acquire+0x62f/0x4c20
[  289.854676] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.858509]  ? should_fail+0x22d/0xd01
[  289.862460] syz-executor3 cpuset=syz3 mems_allowed=0
[  289.865904]  ? find_held_lock+0x36/0x1c0
[  289.917877]  ? mark_held_locks+0x130/0x130
[  289.922120]  ? mark_held_locks+0x130/0x130
[  289.926353]  ? zap_class+0x640/0x640
[  289.930073]  ? mark_held_locks+0xc7/0x130
[  289.934217]  ? do_raw_spin_unlock+0xa7/0x330
[  289.938626]  ? zap_class+0x640/0x640
[  289.942342]  ? print_usage_bug+0xc0/0xc0
[  289.946409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.951949]  ? check_preemption_disabled+0x48/0x280
[  289.956973]  ? __lock_is_held+0xb5/0x140
[  289.961345]  __alloc_pages_nodemask+0xa80/0xde0
[  289.966016]  ? zap_class+0x640/0x640
[  289.969733]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  289.974758]  ? find_held_lock+0x36/0x1c0
[  289.978845]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.983515]  ? lock_downgrade+0x900/0x900
[  289.987673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.993218]  cache_grow_begin+0xa5/0x8c0
[  289.997277]  ? do_raw_spin_unlock+0xa7/0x330
[  290.001695]  fallback_alloc+0x204/0x2e0
[  290.005674]  ____cache_alloc_node+0x1c7/0x1e0
[  290.010177]  kmem_cache_alloc_node+0xe3/0x730
[  290.014676]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.018920]  __alloc_skb+0x119/0x770
[  290.022637]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.027917]  ? netdev_alloc_frag+0x1f0/0x1f0
[  290.032327]  ? lock_downgrade+0x900/0x900
[  290.036479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.042014]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.047468]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.052919]  ? addrconf_rs_timer+0x690/0x690
[  290.057338]  ndisc_alloc_skb+0x144/0x340
[  290.061403]  ndisc_send_rs+0x331/0x6e0
[  290.065298]  addrconf_rs_timer+0x314/0x690
[  290.069537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.073791]  call_timer_fn+0x272/0x920
[  290.077679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.081912]  ? process_timeout+0x40/0x40
[  290.085984]  ? __run_timers+0x7da/0xc70
[  290.089963]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.094454]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.098948]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.103184]  ? lockdep_hardirqs_on+0x296/0x5b0
[  290.107783]  ? trace_hardirqs_on+0xbd/0x310
[  290.112105]  ? kasan_check_read+0x11/0x20
[  290.116252]  ? __run_timers+0x7da/0xc70
[  290.120228]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.125335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.129575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.133814]  __run_timers+0x7e5/0xc70
[  290.137623]  ? timer_fixup_init+0x70/0x70
[  290.141781]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.146276]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.150790]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  290.155376]  ? trace_hardirqs_on+0xbd/0x310
[  290.159694]  ? kasan_check_read+0x11/0x20
[  290.163844]  ? finish_task_switch+0x1f4/0x910
[  290.168340]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.173443]  ? compat_start_thread+0x80/0x80
[  290.177869]  ? pvclock_read_flags+0x160/0x160
[  290.182361]  ? __switch_to_asm+0x34/0x70
[  290.186428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.191965]  ? check_preemption_disabled+0x48/0x280
[  290.196987]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  290.202524]  ? rcu_pm_notify+0xc0/0xc0
[  290.206414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.211949]  ? check_preemption_disabled+0x48/0x280
[  290.216970]  run_timer_softirq+0x52/0xb0
[  290.221031]  ? rcu_read_lock_sched_held+0x14f/0x180
[  290.226051]  __do_softirq+0x308/0xb7e
[  290.229857]  ? trace_hardirqs_on_caller+0xc0/0x310
[  290.234803]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  290.239906]  ? trace_hardirqs_on+0x310/0x310
[  290.244318]  ? schedule+0x108/0x460
[  290.247956]  ? trace_hardirqs_off+0xb8/0x310
[  290.252367]  ? smpboot_thread_fn+0x68b/0xa00
[  290.256782]  ? trace_hardirqs_on+0x310/0x310
[  290.261196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.266730]  ? check_preemption_disabled+0x48/0x280
[  290.271772]  ? takeover_tasklets+0xa90/0xa90
[  290.276186]  run_ksoftirqd+0x5e/0x100
[  290.279989]  smpboot_thread_fn+0x68b/0xa00
[  290.284226]  ? sort_range+0x30/0x30
[  290.287854]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.292960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.298498]  ? __kthread_parkme+0xfb/0x1a0
[  290.302734]  ? sort_range+0x30/0x30
[  290.306369]  kthread+0x35a/0x440
[  290.309734]  ? kthread_stop+0x900/0x900
[  290.313722]  ret_from_fork+0x3a/0x50
[  290.317452] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  290.317485] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  290.324728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.324734] Call Trace:
[  290.330961] rcu: 	(detected by 1, t=10576 jiffies, g=10429, q=332)
[  290.340303]  <IRQ>
[  290.342881] rcu: All QSes seen, last rcu_preempt kthread activity 8269 (4294966184-4294957915), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  290.349182]  dump_stack+0x244/0x39d
[  290.351314] ksoftirqd/1     R  running task    17352    16      2 0x80000008
[  290.363880]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.367481] Call Trace:
[  290.374669]  warn_alloc.cold.116+0xb7/0x1bd
[  290.379832]  <IRQ>
[  290.382413]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.386719]  sched_show_task.cold.84+0x2b6/0x30a
[  290.388856]  ? lock_downgrade+0x900/0x900
[  290.393681]  ? can_nice.part.74+0x20/0x20
[  290.398424]  ? trace_hardirqs_off+0xb8/0x310
[  290.402555]  ? vprintk_default+0x28/0x30
[  290.406689]  ? trace_hardirqs_off+0xb8/0x310
[  290.411081]  ? vprintk_func+0x85/0x181
[  290.415130]  __alloc_pages_slowpath+0x26e8/0x2e10
[  290.419508]  ? vprintk_func+0x85/0x181
[  290.419526]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  290.423420]  ? warn_alloc+0x120/0x120
[  290.428225]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  290.432099]  ? print_usage_bug+0xc0/0xc0
[  290.436840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.440627]  ? warn_alloc+0x120/0x120
[  290.445368]  print_other_cpu_stall.cold.66+0x7dd/0x8bb
[  290.449414]  ? warn_alloc+0x120/0x120
[  290.454934]  ? print_usage_bug+0xc0/0xc0
[  290.458717]  ? print_usage_bug+0xc0/0xc0
[  290.463979]  ? rcu_qs+0x110/0x110
[  290.467775]  ? print_usage_bug+0xc0/0xc0
[  290.471820]  ? __lock_acquire+0x62f/0x4c20
[  290.475866]  ? __lock_acquire+0x62f/0x4c20
[  290.479305]  ? print_usage_bug+0xc0/0xc0
[  290.483353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.487573]  ? zap_class+0x640/0x640
[  290.491790]  ? should_fail+0x22d/0xd01
[  290.495837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.501358]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.505056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.508924]  ? __lock_acquire+0x62f/0x4c20
[  290.514442]  ? do_trace_rcu_torture_read+0x10/0x10
[  290.519530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.525051]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  290.529262]  ? __lock_acquire+0x62f/0x4c20
[  290.529277]  ? should_fail+0x22d/0xd01
[  290.534185]  ? __lock_is_held+0xb5/0x140
[  290.534201]  ? __rcu_read_lock+0x50/0x50
[  290.539290]  ? find_held_lock+0x36/0x1c0
[  290.544546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.544562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.548790]  ? mark_held_locks+0x130/0x130
[  290.552661]  ? check_preemption_disabled+0x48/0x280
[  290.556707]  ? mark_held_locks+0x130/0x130
[  290.560765]  rcu_check_callbacks+0xfd7/0x13f0
[  290.564803]  ? zap_class+0x640/0x640
[  290.564818]  ? zap_class+0x640/0x640
[  290.570342]  ? rcutree_dead_cpu+0x10/0x10
[  290.575866]  ? print_usage_bug+0xc0/0xc0
[  290.580083]  ? lock_downgrade+0x900/0x900
[  290.585078]  ? do_raw_spin_unlock+0xa7/0x330
[  290.585093]  ? zap_class+0x640/0x640
[  290.589316]  ? lock_release+0x940/0xa00
[  290.593794]  ? print_usage_bug+0xc0/0xc0
[  290.597495]  ? zap_class+0x640/0x640
[  290.601190]  ? wq_watchdog_touch+0x9c/0xfe
[  290.601208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.605341]  ? zap_class+0x640/0x640
[  290.609386]  ? check_preemption_disabled+0x48/0x280
[  290.613515]  ? zap_class+0x640/0x640
[  290.617915]  ? __lock_is_held+0xb5/0x140
[  290.621608]  ? zap_class+0x640/0x640
[  290.625569]  __alloc_pages_nodemask+0xa80/0xde0
[  290.629611]  ? find_held_lock+0x36/0x1c0
[  290.633311]  ? zap_class+0x640/0x640
[  290.637534]  ? cpuacct_account_field+0x219/0x3d0
[  290.643054]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  290.646764]  ? zap_class+0x640/0x640
[  290.651813]  ? find_held_lock+0x36/0x1c0
[  290.655509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.659560]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.663257]  ? check_preemption_disabled+0x48/0x280
[  290.667908]  ? lock_downgrade+0x900/0x900
[  290.671958]  ? trace_hardirqs_off+0xb8/0x310
[  290.675658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.680396]  ? __lock_is_held+0xb5/0x140
[  290.685398]  cache_grow_begin+0xa5/0x8c0
[  290.689098]  ? trace_hardirqs_on+0x310/0x310
[  290.693140]  ? do_raw_spin_unlock+0xa7/0x330
[  290.698664]  ? check_preemption_disabled+0x48/0x280
[  290.703318]  fallback_alloc+0x204/0x2e0
[  290.708318]  ? raise_softirq+0x199/0x420
[  290.712450]  ____cache_alloc_node+0x1c7/0x1e0
[  290.716842]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  290.722365]  kmem_cache_alloc_node+0xe3/0x730
[  290.726405]  ? account_system_index_time+0x333/0x5d0
[  290.726422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.730467]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.734861]  ? check_preemption_disabled+0x48/0x280
[  290.739256]  __alloc_skb+0x119/0x770
[  290.744262]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  290.748218]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.752268]  ? hrtimer_run_queues+0x9a/0x400
[  290.756761]  ? netdev_alloc_frag+0x1f0/0x1f0
[  290.761413]  ? run_local_timers+0x19b/0x230
[  290.765895]  ? lock_downgrade+0x900/0x900
[  290.770981]  ? timer_clear_idle+0x90/0x90
[  290.776506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.780745]  ? irqtime_account_process_tick.isra.6+0x38e/0x490
[  290.785756]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.789461]  ? account_process_tick+0x282/0x350
[  290.794982]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.800248]  update_process_times+0x2d/0x70
[  290.804634]  ? addrconf_rs_timer+0x690/0x690
[  290.809029]  tick_sched_handle+0x9f/0x180
[  290.813341]  ndisc_alloc_skb+0x144/0x340
[  290.817465]  tick_sched_timer+0x45/0x130
[  290.821596]  ndisc_send_rs+0x331/0x6e0
[  290.827117]  __hrtimer_run_queues+0x41c/0x10d0
[  290.833076]  addrconf_rs_timer+0x314/0x690
[  290.838513]  ? tick_sched_do_timer+0x1a0/0x1a0
[  290.843165]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.848599]  ? hrtimer_start_range_ns+0xe00/0xe00
[  290.852911]  call_timer_fn+0x272/0x920
[  290.857307]  ? pvclock_read_flags+0x160/0x160
[  290.861437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.865482]  ? trace_hardirqs_on+0x310/0x310
[  290.869528]  ? process_timeout+0x40/0x40
[  290.873402]  ? kvm_clock_read+0x18/0x30
[  290.877970]  ? __run_timers+0x7da/0xc70
[  290.882188]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  290.886757]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.890979]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  290.895804]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.899679]  ? do_timer+0x50/0x50
[  290.904151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.904167]  ? lockdep_hardirqs_on+0x296/0x5b0
[  290.908387]  ? rwlock_bug.part.2+0x90/0x90
[  290.912779]  ? trace_hardirqs_on+0xbd/0x310
[  290.916816]  ? trace_hardirqs_on+0x310/0x310
[  290.916831]  ? rcu_softirq_qs+0x20/0x20
[  290.920783]  ? kasan_check_read+0x11/0x20
[  290.920797]  ? __run_timers+0x7da/0xc70
[  290.924766]  hrtimer_interrupt+0x313/0x780
[  290.929769]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.934265]  smp_apic_timer_interrupt+0x1a1/0x760
[  290.939603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.944083]  ? smp_call_function_single_interrupt+0x650/0x650
[  290.947523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.951748]  ? interrupt_entry+0xb5/0xc0
[  290.956316]  __run_timers+0x7e5/0xc70
[  290.960538]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.964850]  ? timer_fixup_init+0x70/0x70
[  290.969269]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.969286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.973246]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  290.977375]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.981333]  ? zap_class+0x640/0x640
[  290.985547]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.985562]  ? task_prio+0x50/0x50
[  290.990652]  ? enqueue_hrtimer+0x1a5/0x560
[  290.995480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.999709]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  291.005578]  ? check_preemption_disabled+0x48/0x280
[  291.009801]  ? find_held_lock+0x36/0x1c0
[  291.013844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.017628]  ? zap_class+0x640/0x640
[  291.022634]  apic_timer_interrupt+0xf/0x20
[  291.026771]  ? pvclock_read_flags+0x160/0x160
[  291.031757]  </IRQ>
[  291.036591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.041594] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  291.046594]  ? check_preemption_disabled+0x48/0x280
[  291.050288] 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
[  291.055292]  ? __lock_is_held+0xb5/0x140
[  291.058812] RSP: 0000:ffff8801d9b57410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  291.063039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.068556] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b36959c
[  291.074018]  ? check_preemption_disabled+0x48/0x280
[  291.079013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  291.079024] RBP: ffff8801d9b57480 R08: ffff8801d9b4ace0 R09: 0000000000000002
[  291.083072]  run_timer_softirq+0x52/0xb0
[  291.087889] R10: 0000000000000000 R11: ffff8801d9b4a440 R12: ffff8801d9a1c0c0
[  291.087899] R13: ffff8801d9a1c0c0 R14: 0000000000000000 R15: 0000000000000286
[  291.091601]  ? rcu_read_lock_sched_held+0x14f/0x180
[  291.095831]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.100298]  __do_softirq+0x308/0xb7e
[  291.102528]  __alloc_skb+0x119/0x770
[  291.108048]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  291.113396]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.118389]  ? lock_downgrade+0x900/0x900
[  291.118407]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  291.137790]  ? netdev_alloc_frag+0x1f0/0x1f0
[  291.141842]  ? pvclock_read_flags+0x160/0x160
[  291.149533]  ? lock_downgrade+0x900/0x900
[  291.155053]  ? lapic_next_event+0x5a/0x90
[  291.162310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.167308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.174565]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.181824]  ? kvm_clock_read+0x18/0x30
[  291.185872]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.193129]  ? kvm_sched_clock_read+0x9/0x20
[  291.200383]  ? addrconf_rs_timer+0x690/0x690
[  291.205378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.205394]  ? check_preemption_disabled+0x48/0x280
[  291.209623]  ndisc_alloc_skb+0x144/0x340
[  291.213407]  irq_exit+0x17f/0x1c0
[  291.217102]  ndisc_send_rs+0x331/0x6e0
[  291.221580]  smp_apic_timer_interrupt+0x1cb/0x760
[  291.226844]  addrconf_rs_timer+0x314/0x690
[  291.230976]  ? smp_reschedule_interrupt+0x109/0x650
[  291.236063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.240455]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.244942]  call_timer_fn+0x272/0x920
[  291.249068]  ? interrupt_entry+0xb5/0xc0
[  291.253205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.258734]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.264251]  ? process_timeout+0x40/0x40
[  291.269690]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.269709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.273671]  ? __run_timers+0x7da/0xc70
[  291.279120]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.283513]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.287899]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.287914]  ? task_prio+0x50/0x50
[  291.293436]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.298438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.302477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.302493]  ? lockdep_hardirqs_on+0x296/0x5b0
[  291.305933]  ? check_preemption_disabled+0x48/0x280
[  291.309806]  ? trace_hardirqs_on+0xbd/0x310
[  291.314633]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.318850]  ? kasan_check_read+0x11/0x20
[  291.323853]  apic_timer_interrupt+0xf/0x20
[  291.328067]  ? __run_timers+0x7da/0xc70
[  291.333929]  </IRQ>
[  291.337809]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.341853] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  291.346072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.351073] 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
[  291.355121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.360108] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  291.364948]  __run_timers+0x7e5/0xc70
[  291.368904] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  291.373915]  ? timer_fixup_init+0x70/0x70
[  291.378381] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  291.378392] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  291.383396]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.386918] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  291.386929] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  291.391410]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.396959]  skb_clone+0x1bb/0x500
[  291.401158]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  291.405722]  ? finish_task_switch+0x2f4/0x910
[  291.410727]  ? trace_hardirqs_on+0xbd/0x310
[  291.415034]  ? skb_split+0x11e0/0x11e0
[  291.419852]  ? kasan_check_read+0x11/0x20
[  291.419868]  ? finish_task_switch+0x1f4/0x910
[  291.424003]  ? preempt_notifier_register+0x200/0x200
[  291.428220]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.432168]  ? __switch_to_asm+0x34/0x70
[  291.432181]  ? __switch_to_asm+0x34/0x70
[  291.434408]  ? compat_start_thread+0x80/0x80
[  291.439485]  ? __switch_to_asm+0x40/0x70
[  291.439501]  ? __switch_to_asm+0x34/0x70
[  291.444431]  ? pvclock_read_flags+0x160/0x160
[  291.448631]  ? __switch_to_asm+0x40/0x70
[  291.448645]  ? __switch_to_asm+0x34/0x70
[  291.467560]  ? __switch_to_asm+0x34/0x70
[  291.467576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.471788]  ? __switch_to_asm+0x40/0x70
[  291.471801]  ? __switch_to_asm+0x34/0x70
[  291.479494]  ? check_preemption_disabled+0x48/0x280
[  291.483274]  ? __switch_to_asm+0x34/0x70
[  291.490537]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  291.494668]  ? __switch_to_asm+0x40/0x70
[  291.494686]  ? __switch_to_asm+0x34/0x70
[  291.501943]  ? rcu_pm_notify+0xc0/0xc0
[  291.509202]  bpf_clone_redirect+0xb9/0x490
[  291.513692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.520946]  ? __schedule+0x8d7/0x21d0
[  291.528203]  ? check_preemption_disabled+0x48/0x280
[  291.532697]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  291.536220]  run_timer_softirq+0x52/0xb0
[  291.540787]  ? __sched_text_start+0x8/0x8
[  291.545271]  ? rcu_read_lock_sched_held+0x14f/0x180
[  291.549566]  ? retint_kernel+0x2d/0x2d
[  291.553436]  __do_softirq+0x308/0xb7e
[  291.557571]  ? trace_hardirqs_on_caller+0xc0/0x310
[  291.562053]  ? trace_hardirqs_on_caller+0xc0/0x310
[  291.567137]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.572223]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  291.576272]  ? find_held_lock+0x36/0x1c0
[  291.580317]  ? trace_hardirqs_on+0x310/0x310
[  291.584712]  ? lock_acquire+0x1ed/0x520
[  291.588759]  ? schedule+0x108/0x460
[  291.592805]  ? bpf_test_run+0x3cb/0x780
[  291.597287]  ? trace_hardirqs_off+0xb8/0x310
[  291.601329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.605375]  ? smpboot_thread_fn+0x68b/0xa00
[  291.609424]  ? check_preemption_disabled+0x48/0x280
[  291.614942]  ? trace_hardirqs_on+0x310/0x310
[  291.618987]  ? kasan_check_read+0x11/0x20
[  291.623031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.628032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.632080]  ? check_preemption_disabled+0x48/0x280
[  291.637599]  ? rcu_softirq_qs+0x20/0x20
[  291.641656]  ? takeover_tasklets+0xa90/0xa90
[  291.645716]  ? preempt_schedule+0x4d/0x60
[  291.649586]  run_ksoftirqd+0x5e/0x100
[  291.653805]  ? ___preempt_schedule+0x16/0x18
[  291.659322]  smpboot_thread_fn+0x68b/0xa00
[  291.663198]  ? bpf_test_run+0x25d/0x780
[  291.668193]  ? sort_range+0x30/0x30
[  291.673202]  ? netlink_diag_dump+0x2a0/0x2a0
[  291.677238]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.681373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.686370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.690243]  ? bpf_test_init.isra.10+0x70/0x100
[  291.694033]  ? __kthread_parkme+0xfb/0x1a0
[  291.698947]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  291.703860]  ? sort_range+0x30/0x30
[  291.708607]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  291.713706]  kthread+0x35a/0x440
[  291.717746]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  291.717762]  ? fput+0x130/0x1a0
[  291.722158]  ? kthread_stop+0x900/0x900
[  291.726110]  ? __bpf_prog_get+0x9b/0x290
[  291.729723]  ret_from_fork+0x3a/0x50
[  291.733690]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  291.738100] rcu: rcu_preempt kthread starved for 8269 jiffies! g10429 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  291.743607]  ? bpf_prog_test_run+0x130/0x1a0
[  291.747989] rcu: RCU grace-period kthread stack dump:
[  291.747998] rcu_preempt     R  running task    22696    10      2 0x80000000
[  291.753006]  ? __x64_sys_bpf+0x3d8/0x520
[  291.757391] Call Trace:
[  291.761528]  ? bpf_prog_get+0x20/0x20
[  291.767053]  __schedule+0x8cf/0x21d0
[  291.772328]  ? do_syscall_64+0x1b9/0x820
[  291.777321]  ? __sched_text_start+0x8/0x8
[  291.781269]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  291.781286]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.785696]  ? add_timer_on+0xa20/0xa20
[  291.789816]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.789833]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.793619]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.798023]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  291.802238]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.806202]  ? prepare_exit_to_usermode+0x291/0x3b0
[  291.809814]  ? trace_hardirqs_on+0xbd/0x310
[  291.814212]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.819289]  ? kasan_check_read+0x11/0x20
[  291.819308]  ? prepare_to_swait_event+0x25a/0x800
[  291.824829]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  291.830350]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.835014] warn_alloc_show_mem: 1 callbacks suppressed
[  291.835018] Mem-Info:
[  291.839224]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.843978] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  291.843978]  active_file:12 inactive_file:13 isolated_file:0
[  291.843978]  unevictable:0 dirty:0 writeback:0 unstable:0
[  291.843978]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  291.843978]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  291.843978]  free:13767 free_pcp:247 free_cma:0
[  291.847575]  schedule+0xfe/0x460
[  291.852414] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  291.855757]  ? __schedule+0x21d0/0x21d0
[  291.861266] 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
[  291.864543]  ? prepare_to_swait_event+0x25a/0x800
[  291.868486] lowmem_reserve[]: 0 2818 6321 6321
[  291.872551]  ? __init_swait_queue_head+0x150/0x150
[  291.876236] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  291.881078]  ? __lockdep_init_map+0x105/0x590
[  291.891445] lowmem_reserve[]: 0 0 3503 3503
[  291.895856]  ? lockdep_init_map+0x9/0x10
[  291.901023] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  291.908205]  schedule_timeout+0x140/0x260
[  291.912232] lowmem_reserve[]: 0 0 0 0
[  291.914819]  ? usleep_range+0x1a0/0x1a0
[  291.918595] 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
[  291.922306]  ? __next_timer_interrupt+0x1a0/0x1a0
[  291.926339] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  291.930499]  rcu_gp_fqs_loop+0x762/0xa80
[  291.935826] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  291.940764]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  291.944717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  291.949546]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.954539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  291.954546] 2041 total pagecache pages
[  291.959875]  ? perf_trace_sched_process_exec+0x860/0x860
[  291.964875] 0 pages in swap cache
[  291.969967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.974953] Swap cache stats: add 0, delete 0, find 0/0
[  291.974961] Free swap  = 0kB
[  291.979277]  ? rcu_gp_init+0x90b/0x1260
[  291.984089] Total swap = 0kB
[  291.984097] 1965979 pages RAM
[  291.988227]  ? __switch_to_asm+0x40/0x70
[  291.988248]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  291.993059] 0 pages HighMem/MovableOnly
[  291.993066] 342854 pages reserved
[  291.998419]  ? __switch_to_asm+0x40/0x70
[  292.003493] 0 pages cma reserved
[  292.003553] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.008858]  ? find_held_lock+0x36/0x1c0
[  292.008872]  ? zap_class+0x640/0x640
[  292.008893]  ? prepare_to_swait_event+0x25a/0x800
[  292.011328] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.016391]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  292.049417] syz-executor3 cpuset=syz3 mems_allowed=0
[  292.052781]  ? find_held_lock+0x36/0x1c0
[  292.080433] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  292.084400]  ? finish_swait+0x25d/0x430
[  292.110476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.110484] Call Trace:
[  292.115318]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  292.119874]  <IRQ>
[  292.124793]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  292.152634]  dump_stack+0x244/0x39d
[  292.157113]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.161423]  ? dump_stack_print_info.cold.1+0x20/0x20
[  292.165469]  ? trace_hardirqs_on+0xbd/0x310
[  292.194435]  warn_alloc.cold.116+0xb7/0x1bd
[  292.198563]  ? kasan_check_read+0x11/0x20
[  292.202347]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.206303]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.219807]  ? lock_downgrade+0x900/0x900
[  292.224658]  ? __init_swait_queue_head+0x150/0x150
[  292.239817]  ? trace_hardirqs_off+0xb8/0x310
[  292.243865]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.259109]  ? trace_hardirqs_off+0xb8/0x310
[  292.263848]  ? finish_swait+0x25d/0x430
[  292.272672]  __alloc_pages_slowpath+0x26e8/0x2e10
[  292.277753]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.286335]  ? warn_alloc+0x120/0x120
[  292.290187]  ? swake_up_locked+0x360/0x360
[  292.295633]  ? print_usage_bug+0xc0/0xc0
[  292.299069]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.304586]  ? warn_alloc+0x120/0x120
[  292.309946]  ? perf_trace_sched_process_exec+0x860/0x860
[  292.312952]  ? warn_alloc+0x120/0x120
[  292.316910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.319915]  ? print_usage_bug+0xc0/0xc0
[  292.323012]  rcu_gp_kthread+0x341/0xc70
[  292.327054]  ? print_usage_bug+0xc0/0xc0
[  292.331797]  ? rcu_gp_init+0x1260/0x1260
[  292.335754]  ? __lock_acquire+0x62f/0x4c20
[  292.339183]  ? mark_held_locks+0x130/0x130
[  292.339200]  ? __schedule+0x168a/0x21d0
[  292.343248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.346607]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.353089]  ? should_fail+0x22d/0xd01
[  292.357137]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.360839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.365669]  ? trace_hardirqs_on+0xbd/0x310
[  292.376139]  ? __lock_acquire+0x62f/0x4c20
[  292.381221]  ? kasan_check_read+0x11/0x20
[  292.381236]  ? __schedule+0x168a/0x21d0
[  292.386325]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.390371]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.397625]  ? __lock_acquire+0x62f/0x4c20
[  292.397640]  ? should_fail+0x22d/0xd01
[  292.401607]  ? lock_pin_lock+0x350/0x350
[  292.410948]  ? find_held_lock+0x36/0x1c0
[  292.413522]  ? _raw_spin_unlock_irq+0x60/0x80
[  292.418623]  ? mark_held_locks+0x130/0x130
[  292.420753]  ? __schedule+0x168a/0x21d0
[  292.425840]  ? mark_held_locks+0x130/0x130
[  292.429440]  ? __switch_to_asm+0x40/0x70
[  292.429454]  ? __switch_to_asm+0x40/0x70
[  292.434014]  ? zap_class+0x640/0x640
[  292.434028]  ? zap_class+0x640/0x640
[  292.439205]  ? show_schedstat+0x731/0xf30
[  292.443509]  ? print_usage_bug+0xc0/0xc0
[  292.447822]  ? __sched_text_start+0x8/0x8
[  292.451944]  ? do_raw_spin_unlock+0xa7/0x330
[  292.451959]  ? zap_class+0x640/0x640
[  292.456790]  ? find_held_lock+0x36/0x1c0
[  292.461875]  ? print_usage_bug+0xc0/0xc0
[  292.466012]  ? __kthread_parkme+0xce/0x1a0
[  292.470913]  ? wq_watchdog_touch+0x9c/0xfe
[  292.470930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.475324]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  292.480414]  ? check_preemption_disabled+0x48/0x280
[  292.484805]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  292.488773]  ? __lock_is_held+0xb5/0x140
[  292.493608]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.498176]  __alloc_pages_nodemask+0xa80/0xde0
[  292.501966]  ? trace_hardirqs_on+0xbd/0x310
[  292.506179]  ? zap_class+0x640/0x640
[  292.510228]  ? kasan_check_read+0x11/0x20
[  292.515314]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  292.519103]  ? __kthread_parkme+0xce/0x1a0
[  292.524540]  ? find_held_lock+0x36/0x1c0
[  292.528325]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.533852]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.537903]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.541858]  ? lock_downgrade+0x900/0x900
[  292.545905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.549989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.554214]  ? __kthread_parkme+0xfb/0x1a0
[  292.558431]  cache_grow_begin+0xa5/0x8c0
[  292.562387]  ? rcu_gp_init+0x1260/0x1260
[  292.567905]  ? do_raw_spin_unlock+0xa7/0x330
[  292.572385]  kthread+0x35a/0x440
[  292.576260]  fallback_alloc+0x204/0x2e0
[  292.580827]  ? kthread_stop+0x900/0x900
[  292.585917]  ____cache_alloc_node+0x1c7/0x1e0
[  292.590217]  ret_from_fork+0x3a/0x50
[  292.594440]  kmem_cache_alloc_node+0xe3/0x730
[  292.598667] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.602541]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.602578]  __alloc_skb+0x119/0x770
[  292.607712] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.612760]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.616969] ksoftirqd/1 cpuset=/ mems_allowed=0
[  292.620850]  ? netdev_alloc_frag+0x1f0/0x1f0
[  292.867295]  ? lock_downgrade+0x900/0x900
[  292.871449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.876984]  ? refcount_sub_and_test_checked+0x203/0x310
[  292.882435]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  292.887889]  ? addrconf_rs_timer+0x690/0x690
[  292.892306]  ndisc_alloc_skb+0x144/0x340
[  292.896373]  ndisc_send_rs+0x331/0x6e0
[  292.900264]  addrconf_rs_timer+0x314/0x690
[  292.904502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.908746]  call_timer_fn+0x272/0x920
[  292.912635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.916873]  ? process_timeout+0x40/0x40
[  292.920938]  ? __run_timers+0x7da/0xc70
[  292.924912]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.929408]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.933899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.938136]  ? lockdep_hardirqs_on+0x296/0x5b0
[  292.942724]  ? trace_hardirqs_on+0xbd/0x310
[  292.947042]  ? kasan_check_read+0x11/0x20
[  292.951190]  ? __run_timers+0x7da/0xc70
[  292.955164]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.960269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.964507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.968754]  __run_timers+0x7e5/0xc70
[  292.972578]  ? timer_fixup_init+0x70/0x70
[  292.976728]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  292.981744]  ? zap_class+0x640/0x640
[  292.985460]  ? enqueue_hrtimer+0x1a5/0x560
[  292.989697]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  292.994893]  ? find_held_lock+0x36/0x1c0
[  292.998961]  ? zap_class+0x640/0x640
[  293.002675]  ? pvclock_read_flags+0x160/0x160
[  293.007172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.012713]  ? check_preemption_disabled+0x48/0x280
[  293.017736]  ? __lock_is_held+0xb5/0x140
[  293.021797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.027424]  ? check_preemption_disabled+0x48/0x280
[  293.032444]  run_timer_softirq+0x52/0xb0
[  293.036503]  ? rcu_read_lock_sched_held+0x14f/0x180
[  293.041537]  __do_softirq+0x308/0xb7e
[  293.045344]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  293.049841]  ? lock_downgrade+0x900/0x900
[  293.053997]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  293.059109]  ? pvclock_read_flags+0x160/0x160
[  293.063607]  ? lapic_next_event+0x5a/0x90
[  293.067760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.073299]  ? kvm_clock_read+0x18/0x30
[  293.077273]  ? kvm_sched_clock_read+0x9/0x20
[  293.081682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.087218]  ? check_preemption_disabled+0x48/0x280
[  293.092241]  irq_exit+0x17f/0x1c0
[  293.095694]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.100555]  ? smp_reschedule_interrupt+0x109/0x650
[  293.105576]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.111456]  ? interrupt_entry+0xb5/0xc0
[  293.115518]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.120559]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.125767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.130616]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.135632]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.140650]  ? task_prio+0x50/0x50
[  293.144191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.149728]  ? check_preemption_disabled+0x48/0x280
[  293.154753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.159602]  apic_timer_interrupt+0xf/0x20
[  293.163832]  </IRQ>
[  293.166072] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  293.170999] 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
[  293.189897] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  293.197606] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  293.204874] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  293.212142] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  293.219406] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  293.226672] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  293.233971]  skb_clone+0x1bb/0x500
[  293.237521]  ? finish_task_switch+0x2f4/0x910
[  293.242021]  ? skb_split+0x11e0/0x11e0
[  293.245913]  ? preempt_notifier_register+0x200/0x200
[  293.251013]  ? __switch_to_asm+0x34/0x70
[  293.255071]  ? __switch_to_asm+0x34/0x70
[  293.259132]  ? __switch_to_asm+0x40/0x70
[  293.263192]  ? __switch_to_asm+0x34/0x70
[  293.267250]  ? __switch_to_asm+0x40/0x70
[  293.271311]  ? __switch_to_asm+0x34/0x70
[  293.275368]  ? __switch_to_asm+0x40/0x70
[  293.279424]  ? __switch_to_asm+0x34/0x70
[  293.283483]  ? __switch_to_asm+0x34/0x70
[  293.287556]  ? __switch_to_asm+0x40/0x70
[  293.291617]  ? __switch_to_asm+0x34/0x70
[  293.295681]  bpf_clone_redirect+0xb9/0x490
[  293.299918]  ? __schedule+0x8d7/0x21d0
[  293.303809]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  293.308827]  ? __sched_text_start+0x8/0x8
[  293.312976]  ? retint_kernel+0x2d/0x2d
[  293.316866]  ? trace_hardirqs_on_caller+0xc0/0x310
[  293.321794]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  293.326583]  ? find_held_lock+0x36/0x1c0
[  293.330656]  ? lock_acquire+0x1ed/0x520
[  293.334632]  ? bpf_test_run+0x3cb/0x780
[  293.338608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.344145]  ? check_preemption_disabled+0x48/0x280
[  293.349168]  ? kasan_check_read+0x11/0x20
[  293.353319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.358598]  ? rcu_softirq_qs+0x20/0x20
[  293.362575]  ? preempt_schedule+0x4d/0x60
[  293.366723]  ? ___preempt_schedule+0x16/0x18
[  293.371137]  ? bpf_test_run+0x25d/0x780
[  293.375121]  ? netlink_diag_dump+0x2a0/0x2a0
[  293.379544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.385079]  ? bpf_test_init.isra.10+0x70/0x100
[  293.389757]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  293.394535]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  293.399376]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  293.404916]  ? fput+0x130/0x1a0
[  293.408196]  ? __bpf_prog_get+0x9b/0x290
[  293.412260]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  293.417100]  ? bpf_prog_test_run+0x130/0x1a0
[  293.421524]  ? __x64_sys_bpf+0x3d8/0x520
[  293.425586]  ? bpf_prog_get+0x20/0x20
[  293.429403]  ? do_syscall_64+0x1b9/0x820
[  293.433462]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  293.438829]  ? syscall_return_slowpath+0x5e0/0x5e0
[  293.443758]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.448602]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.453619]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  293.458639]  ? prepare_exit_to_usermode+0x291/0x3b0
[  293.463660]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.468522]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  293.473893] Mem-Info:
[  293.473903] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  293.473913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.476325] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  293.476325]  active_file:12 inactive_file:13 isolated_file:0
[  293.476325]  unevictable:0 dirty:0 writeback:0 unstable:0
[  293.476325]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  293.476325]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  293.476325]  free:13767 free_pcp:247 free_cma:0
[  293.483224] Call Trace:
[  293.492603] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  293.525714]  dump_stack+0x244/0x39d
[  293.528276] 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
[  293.555930]  ? dump_stack_print_info.cold.1+0x20/0x20
[  293.559527] lowmem_reserve[]: 0 2818 6321 6321
[  293.585622]  warn_alloc.cold.116+0xb7/0x1bd
[  293.590771] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  293.595334]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.599619] lowmem_reserve[]: 0 0 3503 3503
[  293.627449]  ? lock_downgrade+0x900/0x900
[  293.632258] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  293.636565]  ? trace_hardirqs_off+0xb8/0x310
[  293.640670] lowmem_reserve[]: 0 0 0 0
[  293.669723]  ? trace_hardirqs_off+0xb8/0x310
[  293.674093] 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
[  293.677878]  __alloc_pages_slowpath+0x26e8/0x2e10
[  293.682242] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  293.695769]  ? warn_alloc+0x120/0x120
[  293.700561] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  293.715721]  ? print_usage_bug+0xc0/0xc0
[  293.719500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  293.734730]  ? warn_alloc+0x120/0x120
[  293.738757] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  293.738764] 2041 total pagecache pages
[  293.747580]  ? warn_alloc+0x120/0x120
[  293.751349] 0 pages in swap cache
[  293.759899]  ? print_usage_bug+0xc0/0xc0
[  293.763749] Swap cache stats: add 0, delete 0, find 0/0
[  293.763755] Free swap  = 0kB
[  293.767651]  ? print_usage_bug+0xc0/0xc0
[  293.771063] Total swap = 0kB
[  293.771070] 1965979 pages RAM
[  293.775196]  ? __lock_acquire+0x62f/0x4c20
[  293.780518] 0 pages HighMem/MovableOnly
[  293.780525] 342854 pages reserved
[  293.783527]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.787553] 0 pages cma reserved
[  293.790557]  ? should_fail+0x22d/0xd01
[  293.793677] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  293.797840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.801844] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  293.805215]  ? __lock_acquire+0x62f/0x4c20
[  293.810718] syz-executor3 cpuset=syz3 mems_allowed=0
[  293.814065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.854280]  ? __lock_acquire+0x62f/0x4c20
[  293.858499]  ? should_fail+0x22d/0xd01
[  293.862375]  ? find_held_lock+0x36/0x1c0
[  293.866428]  ? mark_held_locks+0x130/0x130
[  293.870655]  ? mark_held_locks+0x130/0x130
[  293.874875]  ? zap_class+0x640/0x640
[  293.878578]  ? zap_class+0x640/0x640
[  293.882280]  ? print_usage_bug+0xc0/0xc0
[  293.886325]  ? do_raw_spin_unlock+0xa7/0x330
[  293.890719]  ? zap_class+0x640/0x640
[  293.894418]  ? print_usage_bug+0xc0/0xc0
[  293.898472]  ? wq_watchdog_touch+0x9c/0xfe
[  293.902702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.908229]  ? check_preemption_disabled+0x48/0x280
[  293.913239]  ? __lock_is_held+0xb5/0x140
[  293.917295]  __alloc_pages_nodemask+0xa80/0xde0
[  293.921949]  ? zap_class+0x640/0x640
[  293.925662]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  293.930767]  ? find_held_lock+0x36/0x1c0
[  293.934826]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.939841]  ? lock_downgrade+0x900/0x900
[  293.943990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.949526]  cache_grow_begin+0xa5/0x8c0
[  293.953577]  ? do_raw_spin_unlock+0xa7/0x330
[  293.958425]  fallback_alloc+0x204/0x2e0
[  293.962399]  ____cache_alloc_node+0x1c7/0x1e0
[  293.966899]  kmem_cache_alloc_node+0xe3/0x730
[  293.971391]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.975638]  __alloc_skb+0x119/0x770
[  293.979341]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.984700]  ? netdev_alloc_frag+0x1f0/0x1f0
[  293.989106]  ? lock_downgrade+0x900/0x900
[  293.993246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.998773]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.004218]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.009959]  ? addrconf_rs_timer+0x690/0x690
[  294.014460]  ndisc_alloc_skb+0x144/0x340
[  294.018513]  ndisc_send_rs+0x331/0x6e0
[  294.022390]  addrconf_rs_timer+0x314/0x690
[  294.026619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.030937]  call_timer_fn+0x272/0x920
[  294.034812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.039039]  ? process_timeout+0x40/0x40
[  294.043094]  ? __run_timers+0x7da/0xc70
[  294.047057]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.051540]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.056022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.060246]  ? lockdep_hardirqs_on+0x296/0x5b0
[  294.064820]  ? trace_hardirqs_on+0xbd/0x310
[  294.069126]  ? kasan_check_read+0x11/0x20
[  294.073262]  ? __run_timers+0x7da/0xc70
[  294.077226]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.082321]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.086554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.090776]  __run_timers+0x7e5/0xc70
[  294.094573]  ? timer_fixup_init+0x70/0x70
[  294.098727]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.103295]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.107778]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  294.112353]  ? trace_hardirqs_on+0xbd/0x310
[  294.116660]  ? kasan_check_read+0x11/0x20
[  294.120796]  ? finish_task_switch+0x1f4/0x910
[  294.125278]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.130370]  ? compat_start_thread+0x80/0x80
[  294.134781]  ? pvclock_read_flags+0x160/0x160
[  294.139262]  ? __switch_to_asm+0x34/0x70
[  294.143313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.148840]  ? check_preemption_disabled+0x48/0x280
[  294.153850]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  294.159374]  ? rcu_pm_notify+0xc0/0xc0
[  294.163248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.168774]  ? check_preemption_disabled+0x48/0x280
[  294.173781]  run_timer_softirq+0x52/0xb0
[  294.177831]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.182833]  __do_softirq+0x308/0xb7e
[  294.186640]  ? trace_hardirqs_on_caller+0xc0/0x310
[  294.191584]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.196672]  ? trace_hardirqs_on+0x310/0x310
[  294.201071]  ? schedule+0x108/0x460
[  294.204697]  ? trace_hardirqs_off+0xb8/0x310
[  294.209216]  ? smpboot_thread_fn+0x68b/0xa00
[  294.213610]  ? trace_hardirqs_on+0x310/0x310
[  294.218007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.223530]  ? check_preemption_disabled+0x48/0x280
[  294.228531]  ? takeover_tasklets+0xa90/0xa90
[  294.232939]  run_ksoftirqd+0x5e/0x100
[  294.236748]  smpboot_thread_fn+0x68b/0xa00
[  294.240978]  ? sort_range+0x30/0x30
[  294.244594]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.249681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.255206]  ? __kthread_parkme+0xfb/0x1a0
[  294.259434]  ? sort_range+0x30/0x30
[  294.263051]  kthread+0x35a/0x440
[  294.266407]  ? kthread_stop+0x900/0x900
[  294.270373]  ret_from_fork+0x3a/0x50
[  294.274087] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  294.274146] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.281347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.281352] Call Trace:
[  294.281357]  <IRQ>
[  294.281369]  dump_stack+0x244/0x39d
[  294.281385]  ? dump_stack_print_info.cold.1+0x20/0x20
[  294.287890] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.297185]  warn_alloc.cold.116+0xb7/0x1bd
[  294.299731] ksoftirqd/1 cpuset=/ mems_allowed=0
[  294.301861]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.334800]  ? lock_downgrade+0x900/0x900
[  294.338939]  ? trace_hardirqs_off+0xb8/0x310
[  294.343338]  ? trace_hardirqs_off+0xb8/0x310
[  294.347738]  __alloc_pages_slowpath+0x26e8/0x2e10
[  294.352602]  ? warn_alloc+0x120/0x120
[  294.356392]  ? print_usage_bug+0xc0/0xc0
[  294.360449]  ? warn_alloc+0x120/0x120
[  294.364237]  ? warn_alloc+0x120/0x120
[  294.368039]  ? print_usage_bug+0xc0/0xc0
[  294.372085]  ? kvm_clock_read+0x18/0x30
[  294.376047]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  294.381049]  ? print_usage_bug+0xc0/0xc0
[  294.385096]  ? __lock_acquire+0x62f/0x4c20
[  294.389329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.394864]  ? should_fail+0x22d/0xd01
[  294.398738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.404006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.409095]  ? __lock_acquire+0x62f/0x4c20
[  294.413322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.418409]  ? __lock_acquire+0x62f/0x4c20
[  294.422640]  ? should_fail+0x22d/0xd01
[  294.426510]  ? rcu_irq_exit+0x1a2/0x390
[  294.430500]  ? mark_held_locks+0x130/0x130
[  294.434728]  ? mark_held_locks+0x130/0x130
[  294.438953]  ? mark_held_locks+0xc7/0x130
[  294.443087]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  294.448088]  ? zap_class+0x640/0x640
[  294.451788]  ? print_usage_bug+0xc0/0xc0
[  294.455841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.461387]  ? check_preemption_disabled+0x48/0x280
[  294.466398]  ? __lock_is_held+0xb5/0x140
[  294.470459]  __alloc_pages_nodemask+0xa80/0xde0
[  294.475112]  ? zap_class+0x640/0x640
[  294.478819]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  294.483833]  ? find_held_lock+0x36/0x1c0
[  294.487885]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.492540]  ? lock_downgrade+0x900/0x900
[  294.496680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.502208]  cache_grow_begin+0xa5/0x8c0
[  294.506253]  ? do_raw_spin_unlock+0xa7/0x330
[  294.510653]  fallback_alloc+0x204/0x2e0
[  294.514730]  ____cache_alloc_node+0x1c7/0x1e0
[  294.519226]  kmem_cache_alloc_node+0xe3/0x730
[  294.523812]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.528043]  __alloc_skb+0x119/0x770
[  294.531741]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.537116]  ? netdev_alloc_frag+0x1f0/0x1f0
[  294.541510]  ? lock_downgrade+0x900/0x900
[  294.545648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.551172]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.556611]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.562045]  ? addrconf_rs_timer+0x690/0x690
[  294.566452]  ndisc_alloc_skb+0x144/0x340
[  294.570522]  ndisc_send_rs+0x331/0x6e0
[  294.574413]  addrconf_rs_timer+0x314/0x690
[  294.578651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.582880]  call_timer_fn+0x272/0x920
[  294.586758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.590978]  ? process_timeout+0x40/0x40
[  294.595032]  ? __run_timers+0x7da/0xc70
[  294.598994]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.603474]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.607957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.612181]  ? lockdep_hardirqs_on+0x296/0x5b0
[  294.616756]  ? trace_hardirqs_on+0xbd/0x310
[  294.621061]  ? kasan_check_read+0x11/0x20
[  294.625193]  ? __run_timers+0x7da/0xc70
[  294.629154]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.634244]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.638473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.642691]  __run_timers+0x7e5/0xc70
[  294.646489]  ? timer_fixup_init+0x70/0x70
[  294.650624]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  294.655628]  ? zap_class+0x640/0x640
[  294.659341]  ? enqueue_hrtimer+0x1a5/0x560
[  294.663563]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  294.668838]  ? find_held_lock+0x36/0x1c0
[  294.672889]  ? zap_class+0x640/0x640
[  294.676593]  ? pvclock_read_flags+0x160/0x160
[  294.681076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.686602]  ? check_preemption_disabled+0x48/0x280
[  294.691699]  ? __lock_is_held+0xb5/0x140
[  294.695748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.701277]  ? check_preemption_disabled+0x48/0x280
[  294.706290]  run_timer_softirq+0x52/0xb0
[  294.710340]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.715341]  __do_softirq+0x308/0xb7e
[  294.719130]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  294.723608]  ? lock_downgrade+0x900/0x900
[  294.727754]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.732865]  ? pvclock_read_flags+0x160/0x160
[  294.737350]  ? lapic_next_event+0x5a/0x90
[  294.741489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.747018]  ? kvm_clock_read+0x18/0x30
[  294.750979]  ? kvm_sched_clock_read+0x9/0x20
[  294.755383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.760915]  ? check_preemption_disabled+0x48/0x280
[  294.765932]  irq_exit+0x17f/0x1c0
[  294.769372]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.774210]  ? smp_reschedule_interrupt+0x109/0x650
[  294.779217]  ? smp_call_function_single_interrupt+0x650/0x650
[  294.785088]  ? interrupt_entry+0xb5/0xc0
[  294.789249]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.794372]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.799389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.804221]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.809222]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.814226]  ? task_prio+0x50/0x50
[  294.817754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.823280]  ? check_preemption_disabled+0x48/0x280
[  294.828284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.833119]  apic_timer_interrupt+0xf/0x20
[  294.837335]  </IRQ>
[  294.839561] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  294.844476] 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
[  294.863450] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  294.871142] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  294.878401] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  294.885674] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  294.892928] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  294.900181] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  294.907477]  skb_clone+0x1bb/0x500
[  294.911006]  ? finish_task_switch+0x2f4/0x910
[  294.915493]  ? skb_split+0x11e0/0x11e0
[  294.919458]  ? preempt_notifier_register+0x200/0x200
[  294.924568]  ? __switch_to_asm+0x34/0x70
[  294.928620]  ? __switch_to_asm+0x34/0x70
[  294.932667]  ? __switch_to_asm+0x40/0x70
[  294.936738]  ? __switch_to_asm+0x34/0x70
[  294.940787]  ? __switch_to_asm+0x40/0x70
[  294.944837]  ? __switch_to_asm+0x34/0x70
[  294.948895]  ? __switch_to_asm+0x40/0x70
[  294.952951]  ? __switch_to_asm+0x34/0x70
[  294.957017]  ? __switch_to_asm+0x34/0x70
[  294.961063]  ? __switch_to_asm+0x40/0x70
[  294.965107]  ? __switch_to_asm+0x34/0x70
[  294.969160]  bpf_clone_redirect+0xb9/0x490
[  294.973390]  ? __schedule+0x8d7/0x21d0
[  294.977267]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  294.982274]  ? __sched_text_start+0x8/0x8
[  294.986411]  ? retint_kernel+0x2d/0x2d
[  294.990286]  ? trace_hardirqs_on_caller+0xc0/0x310
[  294.995202]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.999952]  ? find_held_lock+0x36/0x1c0
[  295.004022]  ? lock_acquire+0x1ed/0x520
[  295.007987]  ? bpf_test_run+0x3cb/0x780
[  295.011951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.017474]  ? check_preemption_disabled+0x48/0x280
[  295.022482]  ? kasan_check_read+0x11/0x20
[  295.026618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.031892]  ? rcu_softirq_qs+0x20/0x20
[  295.035890]  ? preempt_schedule+0x4d/0x60
[  295.040026]  ? ___preempt_schedule+0x16/0x18
[  295.044427]  ? bpf_test_run+0x25d/0x780
[  295.048409]  ? netlink_diag_dump+0x2a0/0x2a0
[  295.052809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.058332]  ? bpf_test_init.isra.10+0x70/0x100
[  295.062990]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  295.067742]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  295.072588]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  295.078110]  ? fput+0x130/0x1a0
[  295.081387]  ? __bpf_prog_get+0x9b/0x290
[  295.085436]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  295.090262]  ? bpf_prog_test_run+0x130/0x1a0
[  295.094662]  ? __x64_sys_bpf+0x3d8/0x520
[  295.098710]  ? bpf_prog_get+0x20/0x20
[  295.102512]  ? do_syscall_64+0x1b9/0x820
[  295.106558]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  295.111913]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.116832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.121661]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.126808]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  295.131813]  ? prepare_exit_to_usermode+0x291/0x3b0
[  295.136820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.141656]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  295.147254] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  295.147258] warn_alloc_show_mem: 1 callbacks suppressed
[  295.147263] Mem-Info:
[  295.154166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.154172] Call Trace:
[  295.159537] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  295.159537]  active_file:12 inactive_file:13 isolated_file:0
[  295.159537]  unevictable:0 dirty:0 writeback:0 unstable:0
[  295.159537]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  295.159537]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  295.159537]  free:13767 free_pcp:247 free_cma:0
[  295.161909]  dump_stack+0x244/0x39d
[  295.171248] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  295.173811]  ? dump_stack_print_info.cold.1+0x20/0x20
[  295.206836] 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
[  295.210459]  warn_alloc.cold.116+0xb7/0x1bd
[  295.238190] lowmem_reserve[]: 0 2818 6321 6321
[  295.243376]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.269448] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  295.273757]  ? lock_downgrade+0x900/0x900
[  295.278318] lowmem_reserve[]: 0 0 3503 3503
[  295.283158]  ? trace_hardirqs_off+0xb8/0x310
[  295.310971] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  295.315103]  ? trace_hardirqs_off+0xb8/0x310
[  295.319386] lowmem_reserve[]: 0 0 0 0
[  295.323783]  __alloc_pages_slowpath+0x26e8/0x2e10
[  295.352732] 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
[  295.357141]  ? warn_alloc+0x120/0x120
[  295.360890] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  295.365720]  ? print_usage_bug+0xc0/0xc0
[  295.379205] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  295.382995]  ? warn_alloc+0x120/0x120
[  295.398139] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  295.402263]  ? warn_alloc+0x120/0x120
[  295.417492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  295.421269]  ? print_usage_bug+0xc0/0xc0
[  295.430070] 2041 total pagecache pages
[  295.434051]  ? print_usage_bug+0xc0/0xc0
[  295.442598] 0 pages in swap cache
[  295.446641]  ? __lock_acquire+0x62f/0x4c20
[  295.450497] Swap cache stats: add 0, delete 0, find 0/0
[  295.454538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.457955] Free swap  = 0kB
[  295.462170]  ? should_fail+0x22d/0xd01
[  295.467603] Total swap = 0kB
[  295.467609] 1965979 pages RAM
[  295.473125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.476105] 0 pages HighMem/MovableOnly
[  295.476112] 342854 pages reserved
[  295.479979]  ? __lock_acquire+0x62f/0x4c20
[  295.482988] 0 pages cma reserved
[  295.486082]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.491210] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.495108]  ? __lock_acquire+0x62f/0x4c20
[  295.495120]  ? should_fail+0x22d/0xd01
[  295.499062] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.502755]  ? find_held_lock+0x36/0x1c0
[  295.506091] syz-executor3 cpuset=syz3 mems_allowed=0
[  295.511176]  ? mark_held_locks+0x130/0x130
[  295.549617]  ? mark_held_locks+0x130/0x130
[  295.553844]  ? zap_class+0x640/0x640
[  295.557545]  ? zap_class+0x640/0x640
[  295.561248]  ? print_usage_bug+0xc0/0xc0
[  295.565293]  ? do_raw_spin_unlock+0xa7/0x330
[  295.569692]  ? zap_class+0x640/0x640
[  295.573405]  ? print_usage_bug+0xc0/0xc0
[  295.577454]  ? wq_watchdog_touch+0x9c/0xfe
[  295.581678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.587202]  ? check_preemption_disabled+0x48/0x280
[  295.592212]  ? __lock_is_held+0xb5/0x140
[  295.596267]  __alloc_pages_nodemask+0xa80/0xde0
[  295.600929]  ? zap_class+0x640/0x640
[  295.604635]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  295.609645]  ? find_held_lock+0x36/0x1c0
[  295.613700]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.618359]  ? lock_downgrade+0x900/0x900
[  295.622499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.628039]  cache_grow_begin+0xa5/0x8c0
[  295.632086]  ? do_raw_spin_unlock+0xa7/0x330
[  295.636488]  fallback_alloc+0x204/0x2e0
[  295.640460]  ____cache_alloc_node+0x1c7/0x1e0
[  295.644945]  kmem_cache_alloc_node+0xe3/0x730
[  295.649429]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.653657]  __alloc_skb+0x119/0x770
[  295.657355]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.662624]  ? netdev_alloc_frag+0x1f0/0x1f0
[  295.667033]  ? lock_downgrade+0x900/0x900
[  295.671175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.676698]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.682138]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.687588]  ? addrconf_rs_timer+0x690/0x690
[  295.691993]  ndisc_alloc_skb+0x144/0x340
[  295.696043]  ndisc_send_rs+0x331/0x6e0
[  295.699929]  addrconf_rs_timer+0x314/0x690
[  295.704154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.708383]  call_timer_fn+0x272/0x920
[  295.712269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.716493]  ? process_timeout+0x40/0x40
[  295.720565]  ? __run_timers+0x7da/0xc70
[  295.724530]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.729025]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.733514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.737734]  ? lockdep_hardirqs_on+0x296/0x5b0
[  295.742318]  ? trace_hardirqs_on+0xbd/0x310
[  295.746630]  ? kasan_check_read+0x11/0x20
[  295.750763]  ? __run_timers+0x7da/0xc70
[  295.754728]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.759837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.764061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.768280]  __run_timers+0x7e5/0xc70
[  295.772089]  ? timer_fixup_init+0x70/0x70
[  295.776320]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.780804]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.785383]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  295.789955]  ? trace_hardirqs_on+0xbd/0x310
[  295.794261]  ? kasan_check_read+0x11/0x20
[  295.798399]  ? finish_task_switch+0x1f4/0x910
[  295.802883]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.807975]  ? compat_start_thread+0x80/0x80
[  295.812475]  ? pvclock_read_flags+0x160/0x160
[  295.816957]  ? __switch_to_asm+0x34/0x70
[  295.821012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.826556]  ? check_preemption_disabled+0x48/0x280
[  295.831564]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  295.837089]  ? rcu_pm_notify+0xc0/0xc0
[  295.840963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.846489]  ? check_preemption_disabled+0x48/0x280
[  295.851497]  run_timer_softirq+0x52/0xb0
[  295.855545]  ? rcu_read_lock_sched_held+0x14f/0x180
[  295.860559]  __do_softirq+0x308/0xb7e
[  295.864356]  ? trace_hardirqs_on_caller+0xc0/0x310
[  295.869278]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  295.874371]  ? trace_hardirqs_on+0x310/0x310
[  295.878770]  ? schedule+0x108/0x460
[  295.882395]  ? trace_hardirqs_off+0xb8/0x310
[  295.886794]  ? smpboot_thread_fn+0x68b/0xa00
[  295.891196]  ? trace_hardirqs_on+0x310/0x310
[  295.895598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.901126]  ? check_preemption_disabled+0x48/0x280
[  295.906145]  ? takeover_tasklets+0xa90/0xa90
[  295.910549]  run_ksoftirqd+0x5e/0x100
[  295.914348]  smpboot_thread_fn+0x68b/0xa00
[  295.918575]  ? sort_range+0x30/0x30
[  295.922277]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  295.927373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.932984]  ? __kthread_parkme+0xfb/0x1a0
[  295.937210]  ? sort_range+0x30/0x30
[  295.940830]  kthread+0x35a/0x440
[  295.944187]  ? kthread_stop+0x900/0x900
[  295.948151]  ret_from_fork+0x3a/0x50
[  295.951867] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  295.951924] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.959621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.959626] Call Trace:
[  295.959631]  <IRQ>
[  295.959647]  dump_stack+0x244/0x39d
[  295.959661]  ? dump_stack_print_info.cold.1+0x20/0x20
[  295.959682]  warn_alloc.cold.116+0xb7/0x1bd
[  295.966219] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.975537]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.978092] ksoftirqd/1 cpuset=/ mems_allowed=0
[  295.980227]  ? lock_downgrade+0x900/0x900
[  296.017241]  ? trace_hardirqs_off+0xb8/0x310
[  296.021644]  ? trace_hardirqs_off+0xb8/0x310
[  296.026056]  __alloc_pages_slowpath+0x26e8/0x2e10
[  296.030911]  ? warn_alloc+0x120/0x120
[  296.034700]  ? __lock_acquire+0x62f/0x4c20
[  296.038924]  ? warn_alloc+0x120/0x120
[  296.042734]  ? warn_alloc+0x120/0x120
[  296.046524]  ? print_usage_bug+0xc0/0xc0
[  296.050577]  ? print_usage_bug+0xc0/0xc0
[  296.054628]  ? trace_hardirqs_off+0xb8/0x310
[  296.059028]  ? trace_hardirqs_on+0x310/0x310
[  296.063429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.068954]  ? should_fail+0x22d/0xd01
[  296.072834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.077923]  ? __lock_acquire+0x62f/0x4c20
[  296.082169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.087259]  ? __lock_acquire+0x62f/0x4c20
[  296.091488]  ? should_fail+0x22d/0xd01
[  296.095375]  ? mark_held_locks+0x130/0x130
[  296.099603]  ? mark_held_locks+0x130/0x130
[  296.103833]  ? zap_class+0x640/0x640
[  296.107543]  ? print_usage_bug+0xc0/0xc0
[  296.111591]  ? __lock_acquire+0x62f/0x4c20
[  296.115815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.121343]  ? check_preemption_disabled+0x48/0x280
[  296.126356]  ? __lock_is_held+0xb5/0x140
[  296.130409]  __alloc_pages_nodemask+0xa80/0xde0
[  296.135071]  ? zap_class+0x640/0x640
[  296.138783]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  296.143820]  ? find_held_lock+0x36/0x1c0
[  296.147884]  ? ____cache_alloc_node+0x1c7/0x1e0
[  296.152544]  ? lock_downgrade+0x900/0x900
[  296.156686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.162214]  cache_grow_begin+0xa5/0x8c0
[  296.166285]  ? do_raw_spin_unlock+0xa7/0x330
[  296.170697]  fallback_alloc+0x204/0x2e0
[  296.174662]  ____cache_alloc_node+0x1c7/0x1e0
[  296.179149]  kmem_cache_alloc_node+0xe3/0x730
[  296.183636]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.187871]  __alloc_skb+0x119/0x770
[  296.191577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.196846]  ? netdev_alloc_frag+0x1f0/0x1f0
[  296.201243]  ? lock_downgrade+0x900/0x900
[  296.205431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.210956]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.216410]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.221851]  ? addrconf_rs_timer+0x690/0x690
[  296.226261]  ndisc_alloc_skb+0x144/0x340
[  296.230331]  ndisc_send_rs+0x331/0x6e0
[  296.234216]  addrconf_rs_timer+0x314/0x690
[  296.238456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.242704]  call_timer_fn+0x272/0x920
[  296.246611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.250852]  ? process_timeout+0x40/0x40
[  296.254910]  ? __run_timers+0x7da/0xc70
[  296.258872]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.263352]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.267834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.272057]  ? lockdep_hardirqs_on+0x296/0x5b0
[  296.276628]  ? trace_hardirqs_on+0xbd/0x310
[  296.280939]  ? kasan_check_read+0x11/0x20
[  296.285076]  ? __run_timers+0x7da/0xc70
[  296.289042]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.294144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.298366]  __run_timers+0x7e5/0xc70
[  296.302165]  ? timer_fixup_init+0x70/0x70
[  296.306307]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  296.311334]  ? zap_class+0x640/0x640
[  296.315041]  ? enqueue_hrtimer+0x1a5/0x560
[  296.319280]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  296.324488]  ? find_held_lock+0x36/0x1c0
[  296.328549]  ? zap_class+0x640/0x640
[  296.332267]  ? pvclock_read_flags+0x160/0x160
[  296.336765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.342332]  ? check_preemption_disabled+0x48/0x280
[  296.347349]  ? __lock_is_held+0xb5/0x140
[  296.351400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.356929]  ? check_preemption_disabled+0x48/0x280
[  296.361941]  run_timer_softirq+0x52/0xb0
[  296.365995]  ? rcu_read_lock_sched_held+0x14f/0x180
[  296.371008]  __do_softirq+0x308/0xb7e
[  296.374807]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  296.379300]  ? lock_downgrade+0x900/0x900
[  296.383449]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  296.388550]  ? pvclock_read_flags+0x160/0x160
[  296.393040]  ? lapic_next_event+0x5a/0x90
[  296.397192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.402726]  ? kvm_clock_read+0x18/0x30
[  296.406723]  ? kvm_sched_clock_read+0x9/0x20
[  296.411125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.416656]  ? check_preemption_disabled+0x48/0x280
[  296.421681]  irq_exit+0x17f/0x1c0
[  296.425124]  smp_apic_timer_interrupt+0x1cb/0x760
[  296.429953]  ? smp_reschedule_interrupt+0x109/0x650
[  296.434970]  ? smp_call_function_single_interrupt+0x650/0x650
[  296.440846]  ? interrupt_entry+0xb5/0xc0
[  296.444896]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.449900]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.454924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.459754]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.464757]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.469845]  ? task_prio+0x50/0x50
[  296.473376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.478908]  ? check_preemption_disabled+0x48/0x280
[  296.483915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.488751]  apic_timer_interrupt+0xf/0x20
[  296.493084]  </IRQ>
[  296.495312] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  296.500235] 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
[  296.519142] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  296.526837] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  296.534094] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  296.541362] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  296.548629] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  296.555886] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  296.563172]  skb_clone+0x1bb/0x500
[  296.566701]  ? finish_task_switch+0x2f4/0x910
[  296.571186]  ? skb_split+0x11e0/0x11e0
[  296.575073]  ? preempt_notifier_register+0x200/0x200
[  296.580163]  ? __switch_to_asm+0x34/0x70
[  296.584216]  ? __switch_to_asm+0x34/0x70
[  296.588271]  ? __switch_to_asm+0x40/0x70
[  296.592316]  ? __switch_to_asm+0x34/0x70
[  296.596360]  ? __switch_to_asm+0x40/0x70
[  296.600412]  ? __switch_to_asm+0x34/0x70
[  296.604459]  ? __switch_to_asm+0x40/0x70
[  296.608503]  ? __switch_to_asm+0x34/0x70
[  296.612554]  ? __switch_to_asm+0x34/0x70
[  296.616597]  ? __switch_to_asm+0x40/0x70
[  296.620656]  ? __switch_to_asm+0x34/0x70
[  296.624729]  bpf_clone_redirect+0xb9/0x490
[  296.628953]  ? __schedule+0x8d7/0x21d0
[  296.632918]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  296.638007]  ? __sched_text_start+0x8/0x8
[  296.642150]  ? retint_kernel+0x2d/0x2d
[  296.646024]  ? trace_hardirqs_on_caller+0xc0/0x310
[  296.650942]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  296.655689]  ? find_held_lock+0x36/0x1c0
[  296.659743]  ? lock_acquire+0x1ed/0x520
[  296.663707]  ? bpf_test_run+0x3cb/0x780
[  296.667667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.673202]  ? check_preemption_disabled+0x48/0x280
[  296.678217]  ? kasan_check_read+0x11/0x20
[  296.682361]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.687625]  ? rcu_softirq_qs+0x20/0x20
[  296.691587]  ? preempt_schedule+0x4d/0x60
[  296.695741]  ? ___preempt_schedule+0x16/0x18
[  296.700144]  ? bpf_test_run+0x25d/0x780
[  296.704122]  ? netlink_diag_dump+0x2a0/0x2a0
[  296.708547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.714069]  ? bpf_test_init.isra.10+0x70/0x100
[  296.718729]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  296.723479]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  296.728311]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  296.733840]  ? fput+0x130/0x1a0
[  296.737105]  ? __bpf_prog_get+0x9b/0x290
[  296.741158]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  296.745987]  ? bpf_prog_test_run+0x130/0x1a0
[  296.750388]  ? __x64_sys_bpf+0x3d8/0x520
[  296.754436]  ? bpf_prog_get+0x20/0x20
[  296.758252]  ? do_syscall_64+0x1b9/0x820
[  296.762302]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  296.767673]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.772587]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.777418]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.782434]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  296.787440]  ? prepare_exit_to_usermode+0x291/0x3b0
[  296.792454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.797308]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  296.802758] warn_alloc_show_mem: 1 callbacks suppressed
[  296.802767] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  296.802769] Mem-Info:
[  296.802796] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  296.802796]  active_file:12 inactive_file:13 isolated_file:0
[  296.802796]  unevictable:0 dirty:0 writeback:0 unstable:0
[  296.802796]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  296.802796]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  296.802796]  free:13767 free_pcp:247 free_cma:0
[  296.808135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.808141] Call Trace:
[  296.815164] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  296.817571]  dump_stack+0x244/0x39d
[  296.850690] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  296.860031]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.862582] lowmem_reserve[]: 0 2818 6321 6321
[  296.890284]  warn_alloc.cold.116+0xb7/0x1bd
[  296.893875] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  296.919965]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.925115] lowmem_reserve[]: 0 0 3503 3503
[  296.929686]  ? lock_downgrade+0x900/0x900
[  296.933988] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  296.961902]  ? trace_hardirqs_off+0xb8/0x310
[  296.966705] lowmem_reserve[]: 0 0 0 0
[  296.971018]  ? trace_hardirqs_off+0xb8/0x310
[  296.975129] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  297.004086]  __alloc_pages_slowpath+0x26e8/0x2e10
[  297.008561] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  297.012372]  ? warn_alloc+0x120/0x120
[  297.016725] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  297.030237]  ? print_usage_bug+0xc0/0xc0
[  297.035054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  297.050206]  ? warn_alloc+0x120/0x120
[  297.054000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  297.054007] 2041 total pagecache pages
[  297.069248]  ? warn_alloc+0x120/0x120
[  297.073283] 0 pages in swap cache
[  297.082094]  ? print_usage_bug+0xc0/0xc0
[  297.085860] Swap cache stats: add 0, delete 0, find 0/0
[  297.085867] Free swap  = 0kB
[  297.094446]  ? print_usage_bug+0xc0/0xc0
[  297.098313] Total swap = 0kB
[  297.098319] 1965979 pages RAM
[  297.102102]  ? __lock_acquire+0x62f/0x4c20
[  297.105519] 0 pages HighMem/MovableOnly
[  297.105525] 342854 pages reserved
[  297.109658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.115076] 0 pages cma reserved
[  297.115135] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.118086]  ? should_fail+0x22d/0xd01
[  297.122228] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.125167]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.128426] syz-executor3 cpuset=syz3 mems_allowed=0
[  297.132646]  ? __lock_acquire+0x62f/0x4c20
[  297.184114]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.189235]  ? __lock_acquire+0x62f/0x4c20
[  297.193567]  ? should_fail+0x22d/0xd01
[  297.197447]  ? find_held_lock+0x36/0x1c0
[  297.201505]  ? mark_held_locks+0x130/0x130
[  297.205731]  ? mark_held_locks+0x130/0x130
[  297.209951]  ? zap_class+0x640/0x640
[  297.213652]  ? zap_class+0x640/0x640
[  297.217353]  ? print_usage_bug+0xc0/0xc0
[  297.221401]  ? do_raw_spin_unlock+0xa7/0x330
[  297.225802]  ? zap_class+0x640/0x640
[  297.229511]  ? print_usage_bug+0xc0/0xc0
[  297.233581]  ? wq_watchdog_touch+0x9c/0xfe
[  297.237810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.243337]  ? check_preemption_disabled+0x48/0x280
[  297.248351]  ? __lock_is_held+0xb5/0x140
[  297.252404]  __alloc_pages_nodemask+0xa80/0xde0
[  297.257064]  ? zap_class+0x640/0x640
[  297.260773]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  297.265810]  ? find_held_lock+0x36/0x1c0
[  297.269866]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.274527]  ? lock_downgrade+0x900/0x900
[  297.278673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.284211]  cache_grow_begin+0xa5/0x8c0
[  297.288259]  ? do_raw_spin_unlock+0xa7/0x330
[  297.292661]  fallback_alloc+0x204/0x2e0
[  297.296630]  ____cache_alloc_node+0x1c7/0x1e0
[  297.301120]  kmem_cache_alloc_node+0xe3/0x730
[  297.305612]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.309846]  __alloc_skb+0x119/0x770
[  297.313549]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.318818]  ? netdev_alloc_frag+0x1f0/0x1f0
[  297.323216]  ? lock_downgrade+0x900/0x900
[  297.327356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.332880]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.338329]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.343782]  ? addrconf_rs_timer+0x690/0x690
[  297.348203]  ndisc_alloc_skb+0x144/0x340
[  297.352262]  ndisc_send_rs+0x331/0x6e0
[  297.356151]  addrconf_rs_timer+0x314/0x690
[  297.360394]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.364633]  call_timer_fn+0x272/0x920
[  297.368514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.372743]  ? process_timeout+0x40/0x40
[  297.376804]  ? __run_timers+0x7da/0xc70
[  297.380778]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.385266]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.389754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.393986]  ? lockdep_hardirqs_on+0x296/0x5b0
[  297.398566]  ? trace_hardirqs_on+0xbd/0x310
[  297.402885]  ? kasan_check_read+0x11/0x20
[  297.407025]  ? __run_timers+0x7da/0xc70
[  297.410997]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.416100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.420349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.424574]  __run_timers+0x7e5/0xc70
[  297.428378]  ? timer_fixup_init+0x70/0x70
[  297.432522]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.437017]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.441506]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  297.446083]  ? trace_hardirqs_on+0xbd/0x310
[  297.450397]  ? kasan_check_read+0x11/0x20
[  297.454554]  ? finish_task_switch+0x1f4/0x910
[  297.459046]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.464142]  ? compat_start_thread+0x80/0x80
[  297.468574]  ? pvclock_read_flags+0x160/0x160
[  297.473054]  ? __switch_to_asm+0x34/0x70
[  297.477101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.482627]  ? check_preemption_disabled+0x48/0x280
[  297.487642]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  297.493175]  ? rcu_pm_notify+0xc0/0xc0
[  297.497051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.502587]  ? check_preemption_disabled+0x48/0x280
[  297.507595]  run_timer_softirq+0x52/0xb0
[  297.511668]  ? rcu_read_lock_sched_held+0x14f/0x180
[  297.516699]  __do_softirq+0x308/0xb7e
[  297.520490]  ? trace_hardirqs_on_caller+0xc0/0x310
[  297.525412]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  297.530527]  ? trace_hardirqs_on+0x310/0x310
[  297.534926]  ? schedule+0x108/0x460
[  297.538561]  ? trace_hardirqs_off+0xb8/0x310
[  297.542956]  ? smpboot_thread_fn+0x68b/0xa00
[  297.547349]  ? trace_hardirqs_on+0x310/0x310
[  297.551748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.557280]  ? check_preemption_disabled+0x48/0x280
[  297.562286]  ? takeover_tasklets+0xa90/0xa90
[  297.566686]  run_ksoftirqd+0x5e/0x100
[  297.570478]  smpboot_thread_fn+0x68b/0xa00
[  297.574702]  ? sort_range+0x30/0x30
[  297.578329]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.583422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.588955]  ? __kthread_parkme+0xfb/0x1a0
[  297.593192]  ? sort_range+0x30/0x30
[  297.596818]  kthread+0x35a/0x440
[  297.600177]  ? kthread_stop+0x900/0x900
[  297.604140]  ret_from_fork+0x3a/0x50
[  297.607863] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  297.607950] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.615142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.615146] Call Trace:
[  297.615158]  <IRQ>
[  297.615174]  dump_stack+0x244/0x39d
[  297.615190]  ? dump_stack_print_info.cold.1+0x20/0x20
[  297.621734] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.631016]  warn_alloc.cold.116+0xb7/0x1bd
[  297.633567] ksoftirqd/1 cpuset=/ mems_allowed=0
[  297.635708]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.668680]  ? lock_downgrade+0x900/0x900
[  297.672839]  ? trace_hardirqs_off+0xb8/0x310
[  297.677257]  ? trace_hardirqs_off+0xb8/0x310
[  297.681661]  __alloc_pages_slowpath+0x26e8/0x2e10
[  297.686511]  ? warn_alloc+0x120/0x120
[  297.690321]  ? print_usage_bug+0xc0/0xc0
[  297.694374]  ? warn_alloc+0x120/0x120
[  297.698172]  ? warn_alloc+0x120/0x120
[  297.701965]  ? print_usage_bug+0xc0/0xc0
[  297.706016]  ? kvm_clock_read+0x18/0x30
[  297.709978]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  297.714981]  ? print_usage_bug+0xc0/0xc0
[  297.719029]  ? __lock_acquire+0x62f/0x4c20
[  297.723256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.728797]  ? should_fail+0x22d/0xd01
[  297.732677]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.737957]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.743050]  ? __lock_acquire+0x62f/0x4c20
[  297.747292]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.752383]  ? __lock_acquire+0x62f/0x4c20
[  297.756602]  ? should_fail+0x22d/0xd01
[  297.760479]  ? rcu_irq_exit+0x1a2/0x390
[  297.764463]  ? mark_held_locks+0x130/0x130
[  297.768692]  ? mark_held_locks+0x130/0x130
[  297.772919]  ? mark_held_locks+0xc7/0x130
[  297.777164]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  297.782183]  ? zap_class+0x640/0x640
[  297.785884]  ? print_usage_bug+0xc0/0xc0
[  297.789936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.795462]  ? check_preemption_disabled+0x48/0x280
[  297.800474]  ? __lock_is_held+0xb5/0x140
[  297.804542]  __alloc_pages_nodemask+0xa80/0xde0
[  297.809217]  ? zap_class+0x640/0x640
[  297.812955]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  297.817973]  ? find_held_lock+0x36/0x1c0
[  297.822035]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.826694]  ? lock_downgrade+0x900/0x900
[  297.830835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.836366]  cache_grow_begin+0xa5/0x8c0
[  297.840417]  ? do_raw_spin_unlock+0xa7/0x330
[  297.844838]  fallback_alloc+0x204/0x2e0
[  297.848811]  ____cache_alloc_node+0x1c7/0x1e0
[  297.853301]  kmem_cache_alloc_node+0xe3/0x730
[  297.857783]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.862012]  __alloc_skb+0x119/0x770
[  297.865714]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.870981]  ? netdev_alloc_frag+0x1f0/0x1f0
[  297.875378]  ? lock_downgrade+0x900/0x900
[  297.879538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.885065]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.890511]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.895963]  ? addrconf_rs_timer+0x690/0x690
[  297.900367]  ndisc_alloc_skb+0x144/0x340
[  297.904424]  ndisc_send_rs+0x331/0x6e0
[  297.908311]  addrconf_rs_timer+0x314/0x690
[  297.912540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.916769]  call_timer_fn+0x272/0x920
[  297.920645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.924866]  ? process_timeout+0x40/0x40
[  297.928923]  ? __run_timers+0x7da/0xc70
[  297.932886]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.937371]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.941855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.946086]  ? lockdep_hardirqs_on+0x296/0x5b0
[  297.950671]  ? trace_hardirqs_on+0xbd/0x310
[  297.954983]  ? kasan_check_read+0x11/0x20
[  297.959628]  ? __run_timers+0x7da/0xc70
[  297.963596]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.968694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.972925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.977154]  __run_timers+0x7e5/0xc70
[  297.980958]  ? timer_fixup_init+0x70/0x70
[  297.985100]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  297.990112]  ? zap_class+0x640/0x640
[  297.993831]  ? enqueue_hrtimer+0x1a5/0x560
[  297.998058]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.003246]  ? find_held_lock+0x36/0x1c0
[  298.007303]  ? zap_class+0x640/0x640
[  298.011012]  ? pvclock_read_flags+0x160/0x160
[  298.015505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.021058]  ? check_preemption_disabled+0x48/0x280
[  298.026082]  ? __lock_is_held+0xb5/0x140
[  298.030146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.035671]  ? check_preemption_disabled+0x48/0x280
[  298.040684]  run_timer_softirq+0x52/0xb0
[  298.044733]  ? rcu_read_lock_sched_held+0x14f/0x180
[  298.049737]  __do_softirq+0x308/0xb7e
[  298.053529]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  298.058011]  ? lock_downgrade+0x900/0x900
[  298.062163]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  298.067261]  ? pvclock_read_flags+0x160/0x160
[  298.071751]  ? lapic_next_event+0x5a/0x90
[  298.075894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.081447]  ? kvm_clock_read+0x18/0x30
[  298.086204]  ? kvm_sched_clock_read+0x9/0x20
[  298.090603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.096140]  ? check_preemption_disabled+0x48/0x280
[  298.101170]  irq_exit+0x17f/0x1c0
[  298.104625]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.109473]  ? smp_reschedule_interrupt+0x109/0x650
[  298.114496]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.120375]  ? interrupt_entry+0xb5/0xc0
[  298.124429]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.129446]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.134478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.139314]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.144318]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.149322]  ? task_prio+0x50/0x50
[  298.152850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.158375]  ? check_preemption_disabled+0x48/0x280
[  298.163404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.168243]  apic_timer_interrupt+0xf/0x20
[  298.172460]  </IRQ>
[  298.174684] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  298.179601] 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
[  298.198492] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  298.206185] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  298.213447] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  298.220705] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  298.227962] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  298.235222] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  298.242511]  skb_clone+0x1bb/0x500
[  298.246043]  ? finish_task_switch+0x2f4/0x910
[  298.250530]  ? skb_split+0x11e0/0x11e0
[  298.254415]  ? preempt_notifier_register+0x200/0x200
[  298.259508]  ? __switch_to_asm+0x34/0x70
[  298.263559]  ? __switch_to_asm+0x34/0x70
[  298.267628]  ? __switch_to_asm+0x40/0x70
[  298.271675]  ? __switch_to_asm+0x34/0x70
[  298.275743]  ? __switch_to_asm+0x40/0x70
[  298.279802]  ? __switch_to_asm+0x34/0x70
[  298.283851]  ? __switch_to_asm+0x40/0x70
[  298.287992]  ? __switch_to_asm+0x34/0x70
[  298.292045]  ? __switch_to_asm+0x34/0x70
[  298.296101]  ? __switch_to_asm+0x40/0x70
[  298.300152]  ? __switch_to_asm+0x34/0x70
[  298.304217]  bpf_clone_redirect+0xb9/0x490
[  298.308442]  ? __schedule+0x8d7/0x21d0
[  298.312323]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  298.317327]  ? __sched_text_start+0x8/0x8
[  298.321466]  ? retint_kernel+0x2d/0x2d
[  298.325348]  ? trace_hardirqs_on_caller+0xc0/0x310
[  298.330374]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  298.335133]  ? find_held_lock+0x36/0x1c0
[  298.339198]  ? lock_acquire+0x1ed/0x520
[  298.343177]  ? bpf_test_run+0x3cb/0x780
[  298.347143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.352673]  ? check_preemption_disabled+0x48/0x280
[  298.357687]  ? kasan_check_read+0x11/0x20
[  298.361839]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.367117]  ? rcu_softirq_qs+0x20/0x20
[  298.371081]  ? preempt_schedule+0x4d/0x60
[  298.375229]  ? ___preempt_schedule+0x16/0x18
[  298.379636]  ? bpf_test_run+0x25d/0x780
[  298.383609]  ? netlink_diag_dump+0x2a0/0x2a0
[  298.388031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.393564]  ? bpf_test_init.isra.10+0x70/0x100
[  298.398241]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  298.402997]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  298.407829]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  298.413357]  ? fput+0x130/0x1a0
[  298.416665]  ? __bpf_prog_get+0x9b/0x290
[  298.420719]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  298.425548]  ? bpf_prog_test_run+0x130/0x1a0
[  298.429949]  ? __x64_sys_bpf+0x3d8/0x520
[  298.434022]  ? bpf_prog_get+0x20/0x20
[  298.437833]  ? do_syscall_64+0x1b9/0x820
[  298.441885]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  298.447253]  ? syscall_return_slowpath+0x5e0/0x5e0
[  298.452173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.457029]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.462042]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  298.467050]  ? prepare_exit_to_usermode+0x291/0x3b0
[  298.472071]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.476926]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  298.482290] warn_alloc_show_mem: 1 callbacks suppressed
[  298.482298] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  298.482299] Mem-Info:
[  298.482325] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  298.482325]  active_file:12 inactive_file:13 isolated_file:0
[  298.482325]  unevictable:0 dirty:0 writeback:0 unstable:0
[  298.482325]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  298.482325]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  298.482325]  free:13767 free_pcp:247 free_cma:0
[  298.487651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.487658] Call Trace:
[  298.494577] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  298.496970]  dump_stack+0x244/0x39d
[  298.530103] 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
[  298.539447]  ? dump_stack_print_info.cold.1+0x20/0x20
[  298.541995] lowmem_reserve[]: 0 2818 6321 6321
[  298.569678]  warn_alloc.cold.116+0xb7/0x1bd
[  298.573268] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  298.599375]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.604533] lowmem_reserve[]: 0 0 3503 3503
[  298.609113]  ? lock_downgrade+0x900/0x900
[  298.613403] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:190480kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2524kB bounce:0kB free_pcp:740kB local_pcp:192kB free_cma:0kB
[  298.641232]  ? trace_hardirqs_off+0xb8/0x310
[  298.646142] lowmem_reserve[]: 0 0 0 0
[  298.650461]  ? trace_hardirqs_off+0xb8/0x310
[  298.654574] 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
[  298.683540]  __alloc_pages_slowpath+0x26e8/0x2e10
[  298.687909] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  298.691716]  ? warn_alloc+0x120/0x120
[  298.696076] Node 0 Normal: 736*4kB (MEH) 416*8kB (MEH) 214*16kB (MEH) 52*32kB (UME) 15*64kB (MH) 1*128kB (H) 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13984kB
[  298.709601]  ? print_usage_bug+0xc0/0xc0
[  298.714414] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  298.729572]  ? warn_alloc+0x120/0x120
[  298.733343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  298.748598]  ? warn_alloc+0x120/0x120
[  298.752630] 2041 total pagecache pages
[  298.761448]  ? print_usage_bug+0xc0/0xc0
[  298.765224] 0 pages in swap cache
[  298.773777]  ? print_usage_bug+0xc0/0xc0
[  298.777542] Swap cache stats: add 0, delete 0, find 0/0
[  298.777549] Free swap  = 0kB
[  298.781418]  ? __lock_acquire+0x62f/0x4c20
[  298.785439] Total swap = 0kB
[  298.785445] 1965979 pages RAM
[  298.788880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.792912] 0 pages HighMem/MovableOnly
[  298.792918] 342854 pages reserved
[  298.798258]  ? should_fail+0x22d/0xd01
[  298.801241] 0 pages cma reserved
[  298.805463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.808497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.811529]  ? __lock_acquire+0x62f/0x4c20
[  298.811545]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.811557]  ? __lock_acquire+0x62f/0x4c20
[  298.817133] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.821041]  ? should_fail+0x22d/0xd01
[  298.824468] syz-executor3 cpuset=syz3 mems_allowed=0
[  298.828346]  ? find_held_lock+0x36/0x1c0
[  298.880168]  ? mark_held_locks+0x130/0x130
[  298.884420]  ? mark_held_locks+0x130/0x130
[  298.888659]  ? zap_class+0x640/0x640
[  298.892364]  ? mark_held_locks+0xc7/0x130
[  298.896497]  ? do_raw_spin_unlock+0xa7/0x330
[  298.900897]  ? zap_class+0x640/0x640
[  298.904598]  ? print_usage_bug+0xc0/0xc0
[  298.908652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.914353]  ? check_preemption_disabled+0x48/0x280
[  298.919367]  ? __lock_is_held+0xb5/0x140
[  298.923420]  __alloc_pages_nodemask+0xa80/0xde0
[  298.928095]  ? zap_class+0x640/0x640
[  298.931800]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  298.936816]  ? find_held_lock+0x36/0x1c0
[  298.940873]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.945528]  ? lock_downgrade+0x900/0x900
[  298.949740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.955266]  cache_grow_begin+0xa5/0x8c0
[  298.959312]  ? do_raw_spin_unlock+0xa7/0x330
[  298.963715]  fallback_alloc+0x204/0x2e0
[  298.967681]  ____cache_alloc_node+0x1c7/0x1e0
[  298.972258]  kmem_cache_alloc_node+0xe3/0x730
[  298.976743]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.980982]  __alloc_skb+0x119/0x770
[  298.984683]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.989947]  ? netdev_alloc_frag+0x1f0/0x1f0
[  298.994342]  ? lock_downgrade+0x900/0x900
[  298.998489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.004026]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.009490]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.014928]  ? addrconf_rs_timer+0x690/0x690
[  299.019345]  ndisc_alloc_skb+0x144/0x340
[  299.023398]  ndisc_send_rs+0x331/0x6e0
[  299.027279]  addrconf_rs_timer+0x314/0x690
[  299.031506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.035744]  call_timer_fn+0x272/0x920
[  299.039728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.043948]  ? process_timeout+0x40/0x40
[  299.048003]  ? __run_timers+0x7da/0xc70
[  299.051964]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.056458]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.060939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.065162]  ? lockdep_hardirqs_on+0x296/0x5b0
[  299.069732]  ? trace_hardirqs_on+0xbd/0x310
[  299.074045]  ? kasan_check_read+0x11/0x20
[  299.078180]  ? __run_timers+0x7da/0xc70
[  299.082156]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.087248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.091472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.095695]  __run_timers+0x7e5/0xc70
[  299.099489]  ? timer_fixup_init+0x70/0x70
[  299.103624]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.108104]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.112594]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  299.117254]  ? trace_hardirqs_on+0xbd/0x310
[  299.121563]  ? kasan_check_read+0x11/0x20
[  299.126185]  ? finish_task_switch+0x1f4/0x910
[  299.130686]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.135774]  ? compat_start_thread+0x80/0x80
[  299.140190]  ? pvclock_read_flags+0x160/0x160
[  299.144676]  ? __switch_to_asm+0x34/0x70
[  299.148728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.154252]  ? check_preemption_disabled+0x48/0x280
[  299.159289]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  299.164820]  ? rcu_pm_notify+0xc0/0xc0
[  299.168699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.174224]  ? check_preemption_disabled+0x48/0x280
[  299.179238]  run_timer_softirq+0x52/0xb0
[  299.183293]  ? rcu_read_lock_sched_held+0x14f/0x180
[  299.188294]  __do_softirq+0x308/0xb7e
[  299.192087]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.197008]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  299.202104]  ? trace_hardirqs_on+0x310/0x310
[  299.206505]  ? schedule+0x108/0x460
[  299.210126]  ? trace_hardirqs_off+0xb8/0x310
[  299.214520]  ? smpboot_thread_fn+0x68b/0xa00
[  299.218916]  ? trace_hardirqs_on+0x310/0x310
[  299.223311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.228836]  ? check_preemption_disabled+0x48/0x280
[  299.233843]  ? takeover_tasklets+0xa90/0xa90
[  299.238245]  run_ksoftirqd+0x5e/0x100
[  299.242036]  smpboot_thread_fn+0x68b/0xa00
[  299.246261]  ? sort_range+0x30/0x30
[  299.249877]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.254966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.260488]  ? __kthread_parkme+0xfb/0x1a0
[  299.264714]  ? sort_range+0x30/0x30
[  299.268330]  kthread+0x35a/0x440
[  299.271686]  ? kthread_stop+0x900/0x900
[  299.275649]  ret_from_fork+0x3a/0x50
[  299.279367] CPU: 0 PID: 8480 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #141
[  299.279461] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  299.286626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.286632] Call Trace:
[  299.293174] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  299.302434]  <IRQ>
[  299.304996] ksoftirqd/1 cpuset=/ mems_allowed=0
[  299.315295]  dump_stack+0x244/0x39d
[  299.325761]  ? dump_stack_print_info.cold.1+0x20/0x20
[  299.330950]  warn_alloc.cold.116+0xb7/0x1bd
[  299.335262]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.340099]  ? lock_downgrade+0x900/0x900
[  299.344249]  ? trace_hardirqs_off+0xb8/0x310
[  299.348647]  ? trace_hardirqs_off+0xb8/0x310
[  299.353052]  __alloc_pages_slowpath+0x26e8/0x2e10
[  299.357921]  ? warn_alloc+0x120/0x120
[  299.361712]  ? print_usage_bug+0xc0/0xc0
[  299.365759]  ? warn_alloc+0x120/0x120
[  299.369549]  ? warn_alloc+0x120/0x120
[  299.373337]  ? print_usage_bug+0xc0/0xc0
[  299.377389]  ? print_usage_bug+0xc0/0xc0
[  299.381455]  ? __lock_acquire+0x62f/0x4c20
[  299.385682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.391206]  ? should_fail+0x22d/0xd01
[  299.395098]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.400206]  ? __lock_acquire+0x62f/0x4c20
[  299.404531]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.409620]  ? __lock_acquire+0x62f/0x4c20
[  299.413842]  ? should_fail+0x22d/0xd01
[  299.417719]  ? find_held_lock+0x36/0x1c0
[  299.421776]  ? mark_held_locks+0x130/0x130
[  299.426010]  ? mark_held_locks+0x130/0x130
[  299.430235]  ? zap_class+0x640/0x640
[  299.433943]  ? zap_class+0x640/0x640
[  299.437732]  ? print_usage_bug+0xc0/0xc0
[  299.441779]  ? do_raw_spin_unlock+0xa7/0x330
[  299.446178]  ? zap_class+0x640/0x640
[  299.449885]  ? print_usage_bug+0xc0/0xc0
[  299.453935]  ? wq_watchdog_touch+0x9c/0xfe
[  299.458163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.463790]  ? check_preemption_disabled+0x48/0x280
[  299.468819]  ? __lock_is_held+0xb5/0x140
[  299.472873]  __alloc_pages_nodemask+0xa80/0xde0
[  299.477531]  ? zap_class+0x640/0x640
[  299.481325]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  299.486354]  ? find_held_lock+0x36/0x1c0
[  299.490412]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.495071]  ? lock_downgrade+0x900/0x900
[  299.499231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.504793]  cache_grow_begin+0xa5/0x8c0
[  299.508843]  ? do_raw_spin_unlock+0xa7/0x330
[  299.513243]  fallback_alloc+0x204/0x2e0
[  299.517211]  ____cache_alloc_node+0x1c7/0x1e0
[  299.521701]  kmem_cache_alloc_node+0xe3/0x730
[  299.526184]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.530440]  __alloc_skb+0x119/0x770
[  299.534173]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.539438]  ? netdev_alloc_frag+0x1f0/0x1f0
[  299.543842]  ? lock_downgrade+0x900/0x900
[  299.547983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.553514]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.558976]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.564443]  ? addrconf_rs_timer+0x690/0x690
[  299.568854]  ndisc_alloc_skb+0x144/0x340
[  299.572903]  ndisc_send_rs+0x331/0x6e0
[  299.576793]  addrconf_rs_timer+0x314/0x690
[  299.581022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.585254]  call_timer_fn+0x272/0x920
[  299.589127]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.593349]  ? process_timeout+0x40/0x40
[  299.597409]  ? __run_timers+0x7da/0xc70
[  299.601371]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.605854]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.610334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.614564]  ? lockdep_hardirqs_on+0x296/0x5b0
[  299.619134]  ? trace_hardirqs_on+0xbd/0x310
[  299.623445]  ? kasan_check_read+0x11/0x20
[  299.627583]  ? __run_timers+0x7da/0xc70
[  299.631550]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.636649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.640966]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.645218]  __run_timers+0x7e5/0xc70
[  299.649020]  ? timer_fixup_init+0x70/0x70
[  299.653155]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  299.658161]  ? zap_class+0x640/0x640
[  299.661879]  ? enqueue_hrtimer+0x1a5/0x560
[  299.666101]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  299.671301]  ? find_held_lock+0x36/0x1c0
[  299.675359]  ? zap_class+0x640/0x640
[  299.679067]  ? pvclock_read_flags+0x160/0x160
[  299.683557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.689087]  ? check_preemption_disabled+0x48/0x280
[  299.694098]  ? __lock_is_held+0xb5/0x140
[  299.698145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.703755]  ? check_preemption_disabled+0x48/0x280
[  299.708762]  run_timer_softirq+0x52/0xb0
[  299.712813]  ? rcu_read_lock_sched_held+0x14f/0x180
[  299.717828]  __do_softirq+0x308/0xb7e
[  299.721619]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  299.726115]  ? lock_downgrade+0x900/0x900
[  299.730256]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  299.735355]  ? pvclock_read_flags+0x160/0x160
[  299.739839]  ? lapic_next_event+0x5a/0x90
[  299.743998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.749621]  ? kvm_clock_read+0x18/0x30
[  299.753580]  ? kvm_sched_clock_read+0x9/0x20
[  299.757983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.763522]  ? check_preemption_disabled+0x48/0x280
[  299.768535]  irq_exit+0x17f/0x1c0
[  299.771986]  smp_apic_timer_interrupt+0x1cb/0x760
[  299.776909]  ? smp_reschedule_interrupt+0x109/0x650
[  299.781916]  ? smp_call_function_single_interrupt+0x650/0x650
[  299.787790]  ? interrupt_entry+0xb5/0xc0
[  299.791838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.796847]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.801853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.806686]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.811687]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.816701]  ? task_prio+0x50/0x50
[  299.820228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.825754]  ? check_preemption_disabled+0x48/0x280
[  299.830762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.835599]  apic_timer_interrupt+0xf/0x20
[  299.839821]  </IRQ>
[  299.842049] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  299.846977] 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
[  299.865883] RSP: 0000:ffff8801c327f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  299.873576] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  299.880832] RDX: 0000000000000000 RSI: ffff8801ba0baa00 RDI: 0000000000000286
[  299.888086] RBP: ffff8801c327f7a0 R08: ffff8801ba0ba180 R09: 0000000000000000
[  299.895426] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  299.902680] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  299.909967]  skb_clone+0x1bb/0x500
[  299.913508]  ? finish_task_switch+0x2f4/0x910
[  299.918007]  ? skb_split+0x11e0/0x11e0
[  299.921883]  ? preempt_notifier_register+0x200/0x200
[  299.926974]  ? __switch_to_asm+0x34/0x70
[  299.931024]  ? __switch_to_asm+0x34/0x70
[  299.935086]  ? __switch_to_asm+0x40/0x70
[  299.939132]  ? __switch_to_asm+0x34/0x70
[  299.943183]  ? __switch_to_asm+0x40/0x70
[  299.947252]  ? __switch_to_asm+0x34/0x70
[  299.951350]  ? __switch_to_asm+0x40/0x70
[  299.955415]  ? __switch_to_asm+0x34/0x70
[  299.959986]  ? __switch_to_asm+0x34/0x70
[  299.964038]  ? __switch_to_asm+0x40/0x70
[  299.968083]  ? __switch_to_asm+0x34/0x70
[  299.972140]  bpf_clone_redirect+0xb9/0x490
[  299.976362]  ? __schedule+0x8d7/0x21d0
[  299.980255]  bpf_prog_bebbfe2050753572+0x996/0x1000
[  299.985264]  ? __sched_text_start+0x8/0x8
[  299.989398]  ? retint_kernel+0x2d/0x2d
[  299.993302]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.998223]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.002981]  ? find_held_lock+0x36/0x1c0
[  300.007150]  ? lock_acquire+0x1ed/0x520
[  300.011112]  ? bpf_test_run+0x3cb/0x780
[  300.015076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.020601]  ? check_preemption_disabled+0x48/0x280
[  300.025608]  ? kasan_check_read+0x11/0x20
[  300.029764]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.035027]  ? rcu_softirq_qs+0x20/0x20
[  300.038994]  ? preempt_schedule+0x4d/0x60
[  300.043130]  ? ___preempt_schedule+0x16/0x18
[  300.047544]  ? bpf_test_run+0x25d/0x780
[  300.051514]  ? netlink_diag_dump+0x2a0/0x2a0
[  300.055911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.061449]  ? bpf_test_init.isra.10+0x70/0x100
[  300.066115]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  300.070866]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  300.075695]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  300.081219]  ? fput+0x130/0x1a0
[  300.084485]  ? __bpf_prog_get+0x9b/0x290
[  300.088538]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  300.093369]  ? bpf_prog_test_run+0x130/0x1a0
[  300.097768]  ? __x64_sys_bpf+0x3d8/0x520
[  300.101817]  ? bpf_prog_get+0x20/0x20
[  300.105617]  ? do_syscall_64+0x1b9/0x820
[  300.109664]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  300.115016]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.119932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.124791]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.129899]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  300.134904]  ? prepare_exit_to_usermode+0x291/0x3b0
[  300.139931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.144797]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  300.150164] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  300.150168] warn_alloc_show_mem: 1 callbacks suppressed
[  300.150173] Mem-Info:
[  300.157078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.157084] Call Trace:
[  300.162441] active_anon:51716 inactive_anon:1840 isolated_anon:0
[  300.162441]  active_file:12 inactive_file:13 isolated_file:0
[  300.162441]  unevictable:0 dirty:0 writeback:0 unstable:0
[  300.162441]  slab_reclaimable:9024 slab_unreclaimable:1453739
[  300.162441]  mapped:49154 shmem:2016 pagetables:631 bounce:0
[  300.162441]  free:13767 free_pcp:247 free_cma:0
[  300.164821]  dump_stack+0x244/0x39d
[  300.174170] Node 0 active_anon:206864kB inactive_anon:7360kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  300.176733]  ? dump_stack_print_info.cold.1+0x20/0x20
[  300.209753] 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
[  300.213377]  warn_alloc.cold.116+0xb7/0x1bd
[  300.240998] lowmem_reserve[]: 0 2818 6321 6321
[  300.246180]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.272259] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  300.276574]  ? lock_downgrade+0x900/0x900
[  300.281119] lowmem_reserve[]: 0 0 3503 3503
[  300.285969]  ? trace_hardirqs_off+0xb8/0x310