
[  336.566395] lowmem_reserve[]: 0
[  336.570833]  ? warn_alloc+0x120/0x120
[  336.597516]  0
[  336.602368]  ? warn_alloc+0x120/0x120
[  336.605610]  3503
[  336.609447]  ? print_usage_bug+0xc0/0xc0
[  336.611235]  3503
[  336.615029]  ? warn_alloc+0x120/0x120
[  336.621131]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  336.623177] Node 0 
[  336.626969]  ? print_usage_bug+0xc0/0xc0
[  336.631988] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  336.634218]  ? __lock_acquire+0x7ec/0x4ec0
[  336.638288] lowmem_reserve[]:
[  336.666845]  ? __lock_acquire+0x7ec/0x4ec0
[  336.671050]  0
[  336.674154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.678364]  0
[  336.680162]  ? should_fail+0x22d/0xd01
[  336.685686]  0
[  336.687492]  ? __lock_acquire+0x7ec/0x4ec0
[  336.691354]  0
[  336.693154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.699165]  ? __lock_acquire+0x7ec/0x4ec0
[  336.704252] Node 0 DMA: 
[  336.708495]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.708511]  ? __lock_acquire+0x7ec/0x4ec0
[  336.711162] 1*4kB 
[  336.716351]  ? should_fail+0x22d/0xd01
[  336.720555] (U) 0*8kB 
[  336.722721]  ? mark_held_locks+0x130/0x130
[  336.726568] 0*16kB 1*32kB 
[  336.729084]  ? mark_held_locks+0x130/0x130
[  336.733288] (U) 
[  336.736138]  ? try_to_wake_up+0x10a/0x12f0
[  336.740339] 2*64kB (U) 
[  336.742322]  ? graph_lock+0x170/0x170
[  336.746536] 1*128kB 
[  336.749118]  ? print_usage_bug+0xc0/0xc0
[  336.752885] (U) 1*256kB 
[  336.755215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.759252] (U) 
[  336.761945]  ? check_preemption_disabled+0x48/0x200
[  336.767464] 0*512kB 
[  336.769437]  ? check_preemption_disabled+0x48/0x200
[  336.774428] 1*1024kB 
[  336.776763]  ? __lock_is_held+0xb5/0x140
[  336.781744] (U) 
[  336.784174]  __alloc_pages_nodemask+0xa80/0xde0
[  336.788206] 1*2048kB 
[  336.790192]  ? graph_lock+0x170/0x170
[  336.794840] (M) 
[  336.797251]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  336.797264]  ? graph_lock+0x170/0x170
[  336.801055] 3*4096kB 
[  336.803034]  ? find_held_lock+0x36/0x1c0
[  336.808016] (M) 
[  336.811821]  ? ____cache_alloc_node+0x1c7/0x1e0
[  336.814199] = 15908kB
[  336.818254]  ? lock_downgrade+0x900/0x900
[  336.820206] Node 0 
[  336.824876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.827255] DMA32: 
[  336.831401]  cache_grow_begin+0x91/0x8c0
[  336.833609] 2*4kB 
[  336.839146]  ? do_raw_spin_unlock+0xa7/0x2f0
[  336.841359] (M) 
[  336.845451]  fallback_alloc+0x203/0x2e0
[  336.847579] 0*8kB 
[  336.851983]  ____cache_alloc_node+0x1c7/0x1e0
[  336.853953] 3*16kB 
[  336.857925]  kmem_cache_alloc_node+0xe3/0x730
[  336.860051] (M) 
[  336.864560]  ? ipv6_get_ifaddr+0x42e/0x620
[  336.866771] 2*32kB 
[  336.871267]  __alloc_skb+0x119/0x770
[  336.873234] (UM) 
[  336.877470]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  336.879685] 2*64kB (M) 
[  336.883405]  ? skb_scrub_packet+0x490/0x490
[  336.885440] 4*128kB 
[  336.890720]  ? lock_downgrade+0x900/0x900
[  336.893277] (UM) 
[  336.897596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.899888] 2*256kB (M) 
[  336.904045]  ? refcount_sub_and_test_checked+0x203/0x310
[  336.906079] 4*512kB 
[  336.911617]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  336.914264] (UM) 
[  336.919712]  ? addrconf_rs_timer+0x6f0/0x6f0
[  336.922010] 3*1024kB 
[  336.927472]  ndisc_alloc_skb+0x144/0x340
[  336.929500] (M) 
[  336.933905]  ndisc_send_rs+0x331/0x6e0
[  336.936280] 3*2048kB (UM) 
[  336.940350]  addrconf_rs_timer+0x3c0/0x6f0
[  336.942300] 3*4096kB 
[  336.946190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.949014] (M) 
[  336.953252]  call_timer_fn+0x272/0x920
[  336.955635] = 24824kB
[  336.959861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.961815] Node 0 
[  336.965702]  ? process_timeout+0x40/0x40
[  336.968084] Normal: 
[  336.972311]  ? find_held_lock+0x36/0x1c0
[  336.974523] 981*4kB 
[  336.978593]  ? __run_timers+0x7da/0xc70
[  336.980884] (UMEH) 
[  336.984942]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.987239] 521*8kB (MEH) 
[  336.991220]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.993446] 165*16kB 
[  336.997946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.000765] (UMEH) 
[  337.005255]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  337.007637] 24*32kB (MEH) 
[  337.011882]  ? trace_hardirqs_on+0xbd/0x310
[  337.014096] 4*64kB 
[  337.018672]  ? kasan_check_read+0x11/0x20
[  337.021494] (MH) 
[  337.025809]  ? __run_timers+0x7da/0xc70
[  337.028021] 3*128kB 
[  337.032166]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  337.034202] (UH) 
[  337.038180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.040478] 1*256kB 
[  337.045929]  __run_timers+0x7e5/0xc70
[  337.047968] (U) 
[  337.052211]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  337.054500] 1*512kB 
[  337.058300]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  337.060252] (U) 
[  337.065607]  ? graph_lock+0x170/0x170
[  337.067911] 1*1024kB 
[  337.072919]  ? enqueue_hrtimer+0x1a5/0x560
[  337.074873] (H) 
[  337.078665]  ? lock_release+0x970/0x970
[  337.081048] 0*2048kB 0*4096kB 
[  337.085290]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  337.087249] = 13932kB
[  337.091222]  ? find_held_lock+0x36/0x1c0
[  337.094399] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  337.099582]  ? graph_lock+0x170/0x170
[  337.101974] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  337.106021]  ? pvclock_read_flags+0x160/0x160
[  337.114832] 4507 total pagecache pages
[  337.118629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.127196] 0 pages in swap cache
[  337.131687]  ? check_preemption_disabled+0x48/0x200
[  337.135652] Swap cache stats: add 0, delete 0, find 0/0
[  337.141193]  ? __lock_is_held+0xb5/0x140
[  337.144612] Free swap  = 0kB
[  337.149623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.154959] Total swap = 0kB
[  337.159019]  ? check_preemption_disabled+0x48/0x200
[  337.162008] 1965979 pages RAM
[  337.167542]  run_timer_softirq+0x52/0xb0
[  337.170530] 0 pages HighMem/MovableOnly
[  337.175543]  ? rcu_read_lock_sched_held+0x108/0x120
[  337.178628] 342744 pages reserved
[  337.182683]  __do_softirq+0x30b/0xad8
[  337.186633] 0 pages cma reserved
[  337.191655]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  337.195616] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  337.198884]  ? pvclock_read_flags+0x160/0x160
[  337.202236] ksoftirqd/1 cpuset=
[  337.207348]  ? lapic_next_event+0x5a/0x90
[  337.217655] /
[  337.222156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.225414]  mems_allowed=0
[  337.229556]  ? check_preemption_disabled+0x48/0x200
[  337.244702]  ? check_preemption_disabled+0x48/0x200
[  337.249742]  ? kvm_clock_read+0x18/0x30
[  337.253718]  ? kvm_sched_clock_read+0x9/0x20
[  337.258141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.263682]  ? check_preemption_disabled+0x48/0x200
[  337.268718]  irq_exit+0x17f/0x1c0
[  337.272185]  smp_apic_timer_interrupt+0x1cb/0x760
[  337.277033]  ? smp_reschedule_interrupt+0x109/0x650
[  337.282062]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.287974]  ? interrupt_entry+0xb5/0xf0
[  337.292056]  ? trace_hardirqs_off_caller+0xbb/0x300
[  337.298555]  ? trace_hardirqs_off_caller+0xbb/0x300
[  337.303585]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.308440]  ? trace_hardirqs_off+0x300/0x300
[  337.312947]  ? trace_hardirqs_off+0x300/0x300
[  337.317466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.323027]  ? check_preemption_disabled+0x48/0x200
[  337.328060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.333635]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.338503]  apic_timer_interrupt+0xf/0x20
[  337.342740]  </IRQ>
[  337.344983] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  337.349917] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  337.368848] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  337.376582] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  337.383869] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  337.391174] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  337.398480] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  337.405772] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  337.413112]  skb_clone+0x1bb/0x500
[  337.416669]  ? skb_split+0x11e0/0x11e0
[  337.420573]  ? preempt_notifier_register+0x200/0x200
[  337.425694]  ? __switch_to_asm+0x34/0x70
[  337.430267]  ? __switch_to_asm+0x34/0x70
[  337.434429]  ? __switch_to_asm+0x40/0x70
[  337.438506]  ? __switch_to_asm+0x34/0x70
[  337.442570]  ? __switch_to_asm+0x40/0x70
[  337.446636]  ? __switch_to_asm+0x40/0x70
[  337.450698]  ? __switch_to_asm+0x34/0x70
[  337.454777]  ? __switch_to_asm+0x34/0x70
[  337.458852]  ? __switch_to_asm+0x40/0x70
[  337.462919]  ? __switch_to_asm+0x34/0x70
[  337.466996]  bpf_clone_redirect+0xb9/0x490
[  337.471250]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  337.476313]  ? __sched_text_start+0x8/0x8
[  337.480481]  ? lockdep_hardirqs_on+0x421/0x5c0
[  337.485078]  ? retint_kernel+0x2d/0x2d
[  337.488977]  ? trace_hardirqs_on_caller+0xc0/0x300
[  337.493924]  ? find_held_lock+0x36/0x1c0
[  337.498002]  ? lock_acquire+0x1ed/0x520
[  337.501993]  ? bpf_test_run+0x32e/0x5a0
[  337.505976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.511535]  ? check_preemption_disabled+0x48/0x200
[  337.516568]  ? kasan_check_read+0x11/0x20
[  337.520751]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  337.526050]  ? rcu_bh_qs+0xc0/0xc0
[  337.529609]  ? preempt_schedule+0x4d/0x60
[  337.533770]  ? ___preempt_schedule+0x16/0x18
[  337.538196]  ? bpf_test_run+0x1c0/0x5a0
[  337.542190]  ? netlink_diag_dump+0x2a0/0x2a0
[  337.546616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.552165]  ? bpf_test_init.isra.9+0x70/0x100
[  337.556764]  ? bpf_prog_test_run_skb+0x634/0xb40
[  337.561541]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  337.566394]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  337.571941]  ? fput+0x130/0x1a0
[  337.575228]  ? __bpf_prog_get+0x9b/0x290
[  337.579305]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  337.584152]  ? bpf_prog_test_run+0x130/0x1a0
[  337.588577]  ? __x64_sys_bpf+0x3d8/0x510
[  337.592647]  ? bpf_prog_get+0x20/0x20
[  337.596475]  ? ksys_ioctl+0x81/0xd0
[  337.600121]  ? do_syscall_64+0x1b9/0x820
[  337.604194]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  337.609565]  ? syscall_return_slowpath+0x5e0/0x5e0
[  337.614498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.619350]  ? trace_hardirqs_off+0x300/0x300
[  337.623851]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  337.628883]  ? prepare_exit_to_usermode+0x291/0x3b0
[  337.633930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.638787]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  337.644191] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  337.644272] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  337.651048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  337.651053] Call Trace:
[  337.651077]  dump_stack+0x1c4/0x2b4
[  337.651093]  ? dump_stack_print_info.cold.2+0x52/0x52
[  337.651119]  warn_alloc.cold.118+0xb7/0x1bd
[  337.657736] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  337.667064]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  337.669640] syz-executor0 cpuset=
[  337.673278]  ? lock_downgrade+0x900/0x900
[  337.678440] syz0
[  337.682778]  ? trace_hardirqs_off+0xb8/0x300
[  337.693262]  mems_allowed=0
[  337.698106]  ? trace_hardirqs_off+0xb8/0x300
[  337.719383]  __alloc_pages_slowpath+0x2667/0x2d80
[  337.724267]  ? mark_held_locks+0x130/0x130
[  337.728518]  ? warn_alloc+0x120/0x120
[  337.732337]  ? warn_alloc+0x120/0x120
[  337.736151]  ? print_usage_bug+0xc0/0xc0
[  337.740220]  ? warn_alloc+0x120/0x120
[  337.744038]  ? print_usage_bug+0xc0/0xc0
[  337.748117]  ? find_held_lock+0x36/0x1c0
[  337.752198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.757750]  ? should_fail+0x22d/0xd01
[  337.761650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.766767]  ? __lock_acquire+0x7ec/0x4ec0
[  337.771017]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.776145]  ? __lock_acquire+0x7ec/0x4ec0
[  337.780396]  ? should_fail+0x22d/0xd01
[  337.784308]  ? mark_held_locks+0x130/0x130
[  337.788558]  ? mark_held_locks+0x130/0x130
[  337.792798]  ? __account_cfs_rq_runtime+0x790/0x790
[  337.797829]  ? select_task_rq_fair+0x754/0x34f0
[  337.802517]  ? lock_downgrade+0x900/0x900
[  337.806690]  ? check_preemption_disabled+0x48/0x200
[  337.811719]  ? graph_lock+0x170/0x170
[  337.815551]  ? print_usage_bug+0xc0/0xc0
[  337.819628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.825182]  ? check_preemption_disabled+0x48/0x200
[  337.830210]  ? check_preemption_disabled+0x48/0x200
[  337.835261]  ? __lock_is_held+0xb5/0x140
[  337.839355]  __alloc_pages_nodemask+0xa80/0xde0
[  337.844046]  ? graph_lock+0x170/0x170
[  337.847876]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  337.852903]  ? graph_lock+0x170/0x170
[  337.856727]  ? find_held_lock+0x36/0x1c0
[  337.860810]  ? ____cache_alloc_node+0x1c7/0x1e0
[  337.865495]  ? lock_downgrade+0x900/0x900
[  337.869660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.875213]  cache_grow_begin+0x91/0x8c0
[  337.879293]  ? do_raw_spin_unlock+0xa7/0x2f0
[  337.883728]  fallback_alloc+0x203/0x2e0
[  337.887976]  ____cache_alloc_node+0x1c7/0x1e0
[  337.892497]  kmem_cache_alloc_node+0xe3/0x730
[  337.897007]  ? ipv6_get_ifaddr+0x42e/0x620
[  337.901281]  __alloc_skb+0x119/0x770
[  337.905019]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  337.910318]  ? skb_scrub_packet+0x490/0x490
[  337.914656]  ? lock_downgrade+0x900/0x900
[  337.918825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.924370]  ? refcount_sub_and_test_checked+0x203/0x310
[  337.929838]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  337.935321]  ? addrconf_rs_timer+0x6f0/0x6f0
[  337.939755]  ndisc_alloc_skb+0x144/0x340
[  337.943837]  ndisc_send_rs+0x331/0x6e0
[  337.947743]  addrconf_rs_timer+0x3c0/0x6f0
[  337.951998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.956260]  call_timer_fn+0x272/0x920
[  337.960159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.964402]  ? process_timeout+0x40/0x40
[  337.968478]  ? find_held_lock+0x36/0x1c0
[  337.972565]  ? __run_timers+0x7da/0xc70
[  337.976562]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.981073]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.985580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.989848]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  337.994444]  ? trace_hardirqs_on+0xbd/0x310
[  337.998779]  ? kasan_check_read+0x11/0x20
[  338.002933]  ? __run_timers+0x7da/0xc70
[  338.006920]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  338.012396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.016638]  __run_timers+0x7e5/0xc70
[  338.020468]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  338.025836]  ? compat_start_thread+0x80/0x80
[  338.030258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.035822]  ? _raw_spin_unlock_irq+0x60/0x80
[  338.040326]  ? finish_task_switch+0x1f5/0x900
[  338.044826]  ? finish_task_switch+0x1b5/0x900
[  338.049325]  ? __switch_to_asm+0x34/0x70
[  338.053401]  ? preempt_notifier_register+0x200/0x200
[  338.058510]  ? __switch_to_asm+0x34/0x70
[  338.062572]  ? __switch_to_asm+0x40/0x70
[  338.066636]  ? __switch_to_asm+0x34/0x70
[  338.070700]  ? __switch_to_asm+0x40/0x70
[  338.074759]  ? __switch_to_asm+0x34/0x70
[  338.078822]  ? __switch_to_asm+0x40/0x70
[  338.082887]  ? __switch_to_asm+0x40/0x70
[  338.086960]  ? pvclock_read_flags+0x160/0x160
[  338.091471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.097017]  ? check_preemption_disabled+0x48/0x200
[  338.102049]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  338.107589]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  338.112872]  ? rcu_pm_notify+0xc0/0xc0
[  338.116782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.122327]  ? check_preemption_disabled+0x48/0x200
[  338.127359]  run_timer_softirq+0x52/0xb0
[  338.131425]  ? rcu_read_lock_sched_held+0x108/0x120
[  338.136475]  __do_softirq+0x30b/0xad8
[  338.140293]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  338.145398]  ? trace_hardirqs_off_caller+0x300/0x300
[  338.150516]  ? schedule+0x108/0x460
[  338.154151]  ? __schedule+0x1ed0/0x1ed0
[  338.158137]  ? trace_hardirqs_off+0xb8/0x300
[  338.162549]  ? ___might_sleep+0x1ed/0x300
[  338.166698]  ? smpboot_thread_fn+0x68b/0xa00
[  338.171111]  ? trace_hardirqs_on+0x310/0x310
[  338.175531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.181078]  ? check_preemption_disabled+0x48/0x200
[  338.186099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.191644]  ? takeover_tasklets+0xa90/0xa90
[  338.196061]  run_ksoftirqd+0x94/0x100
[  338.199869]  smpboot_thread_fn+0x68b/0xa00
[  338.204114]  ? sort_range+0x30/0x30
[  338.207746]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  338.212900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.218437]  ? __kthread_parkme+0xfb/0x1a0
[  338.222688]  kthread+0x35a/0x420
[  338.226055]  ? sort_range+0x30/0x30
[  338.229684]  ? kthread_bind+0x40/0x40
[  338.233503]  ret_from_fork+0x3a/0x50
[  338.237244] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  338.237249] warn_alloc_show_mem: 1 callbacks suppressed
[  338.237256] Mem-Info:
[  338.244549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  338.249916] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  338.249916]  active_file:28 inactive_file:21 isolated_file:0
[  338.249916]  unevictable:0 dirty:0 writeback:0 unstable:0
[  338.249916]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  338.249916]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  338.249916]  free:13666 free_pcp:197 free_cma:0
[  338.252289] Call Trace:
[  338.261680] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  338.294714]  <IRQ>
[  338.297288] Node 0 
[  338.325232]  dump_stack+0x1c4/0x2b4
[  338.327385] 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
[  338.329597]  ? dump_stack_print_info.cold.2+0x52/0x52
[  338.333188] lowmem_reserve[]: 0
[  338.358743]  warn_alloc.cold.118+0xb7/0x1bd
[  338.363893]  2817
[  338.367169]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  338.371474]  6321
[  338.373543]  ? lock_downgrade+0x900/0x900
[  338.378360]  6321
[  338.380423]  ? trace_hardirqs_off+0xb8/0x300
[  338.384541] Node 0 
[  338.386605]  ? trace_hardirqs_off+0xb8/0x300
[  338.391011] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  338.393225]  __alloc_pages_slowpath+0x2667/0x2d80
[  338.397608] lowmem_reserve[]:
[  338.424363]  ? warn_alloc+0x120/0x120
[  338.429259]  0 0
[  338.432373]  ? trace_hardirqs_on+0x310/0x310
[  338.436147]  3503
[  338.438119]  ? warn_alloc+0x120/0x120
[  338.442504]  3503
[  338.444567]  ? print_usage_bug+0xc0/0xc0
[  338.450396]  ? warn_alloc+0x120/0x120
[  338.454429] Node 0 
[  338.458224]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  338.458263] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  338.460479]  ? print_usage_bug+0xc0/0xc0
[  338.465477] lowmem_reserve[]:
[  338.494030]  ? __lock_acquire+0x7ec/0x4ec0
[  338.498068]  0
[  338.501168]  ? __lock_acquire+0x7ec/0x4ec0
[  338.505380]  0
[  338.507183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.511388]  0
[  338.513188]  ? should_fail+0x22d/0xd01
[  338.518699]  0
[  338.520499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.524361] Node 0 
[  338.526159]  ? __lock_acquire+0x7ec/0x4ec0
[  338.531236] DMA: 
[  338.533477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.537686] 1*4kB 
[  338.539755]  ? __lock_acquire+0x7ec/0x4ec0
[  338.544855] (U) 
[  338.547003]  ? should_fail+0x22d/0xd01
[  338.551216] 0*8kB 
[  338.553191]  ? print_usage_bug+0xc0/0xc0
[  338.557047] 0*16kB 1*32kB 
[  338.559210]  ? mark_held_locks+0x130/0x130
[  338.563250] (U) 
[  338.566094]  ? mark_held_locks+0x130/0x130
[  338.570298] 2*64kB (U) 
[  338.572284]  ? graph_lock+0x170/0x170
[  338.576492] 1*128kB 
[  338.579095]  ? print_usage_bug+0xc0/0xc0
[  338.582871] (U) 
[  338.585194]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  338.589228] 1*256kB 
[  338.591204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.595931] (U) 
[  338.598250]  ? check_preemption_disabled+0x48/0x200
[  338.598267]  ? check_preemption_disabled+0x48/0x200
[  338.603777] 0*512kB 1*1024kB 
[  338.605778]  ? __lock_is_held+0xb5/0x140
[  338.610766] (U) 
[  338.615791]  __alloc_pages_nodemask+0xa80/0xde0
[  338.618859] 1*2048kB (M) 
[  338.622924]  ? graph_lock+0x170/0x170
[  338.624879] 3*4096kB 
[  338.629548]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  338.632283] (M) 
[  338.636108]  ? graph_lock+0x170/0x170
[  338.638494] = 15908kB
[  338.643522]  ? find_held_lock+0x36/0x1c0
[  338.645474] Node 0 
[  338.649278]  ? ____cache_alloc_node+0x1c7/0x1e0
[  338.651657] DMA32: 
[  338.655718]  ? lock_downgrade+0x900/0x900
[  338.657929] 2*4kB 
[  338.662598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.664808] (M) 
[  338.668958]  cache_grow_begin+0x91/0x8c0
[  338.671080] 0*8kB 
[  338.676616]  ? do_raw_spin_unlock+0xa7/0x2f0
[  338.678566] 3*16kB 
[  338.682628]  fallback_alloc+0x203/0x2e0
[  338.684756] (M) 
[  338.689169]  ____cache_alloc_node+0x1c7/0x1e0
[  338.691373] 2*32kB (UM) 
[  338.695356]  kmem_cache_alloc_node+0xe3/0x730
[  338.697304] 2*64kB 
[  338.701819]  ? ipv6_get_ifaddr+0x42e/0x620
[  338.704545] (M) 
[  338.709050]  __alloc_skb+0x119/0x770
[  338.711257] 4*128kB 
[  338.715497]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  338.717449] (UM) 
[  338.721174]  ? skb_scrub_packet+0x490/0x490
[  338.723477] 2*256kB 
[  338.728760]  ? lock_downgrade+0x900/0x900
[  338.730800] (M) 
[  338.735126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.737422] 4*512kB (UM) 
[  338.741580]  ? refcount_sub_and_test_checked+0x203/0x310
[  338.743529] 3*1024kB (M) 
[  338.749073]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  338.751809] 3*2048kB 
[  338.757259]  ? addrconf_rs_timer+0x6f0/0x6f0
[  338.759988] (UM) 
[  338.765447]  ndisc_alloc_skb+0x144/0x340
[  338.767824] 3*4096kB 
[  338.772233]  ndisc_send_rs+0x331/0x6e0
[  338.774274] (M) 
[  338.778335]  addrconf_rs_timer+0x3c0/0x6f0
[  338.780722] = 24824kB
[  338.784614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.786567] Node 0 
[  338.790809]  call_timer_fn+0x272/0x920
[  338.793185] Normal: 
[  338.797419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.799630] 981*4kB 
[  338.803601]  ? process_timeout+0x40/0x40
[  338.805900] (UMEH) 
[  338.810135]  ? find_held_lock+0x36/0x1c0
[  338.812432] 521*8kB 
[  338.816506]  ? __run_timers+0x7da/0xc70
[  338.818710] (MEH) 
[  338.822775]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.825090] 165*16kB 
[  338.829062]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.831188] (UMEH) 
[  338.835681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.838064] 24*32kB 
[  338.842553]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  338.844766] (MEH) 
[  338.848996]  ? trace_hardirqs_on+0xbd/0x310
[  338.851311] 4*64kB 
[  338.855888]  ? kasan_check_read+0x11/0x20
[  338.858011] (MH) 
[  338.862343]  ? __run_timers+0x7da/0xc70
[  338.864551] 3*128kB 
[  338.868788]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  338.870830] (UH) 
[  338.874807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.877104] 1*256kB 
[  338.882557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.884592] (U) 
[  338.888828]  __run_timers+0x7e5/0xc70
[  338.891127] 1*512kB 
[  338.895391]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  338.897330] (U) 
[  338.901129]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  338.903423] 1*1024kB (H) 
[  338.908800]  ? graph_lock+0x170/0x170
[  338.910754] 0*2048kB 
[  338.915768]  ? enqueue_hrtimer+0x1a5/0x560
[  338.918513] 0*4096kB 
[  338.922307]  ? lock_release+0x970/0x970
[  338.924694] = 13932kB
[  338.928921]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  338.931313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  338.935298]  ? find_held_lock+0x36/0x1c0
[  338.937690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  338.942873]  ? graph_lock+0x170/0x170
[  338.951692] 4507 total pagecache pages
[  338.955758]  ? pvclock_read_flags+0x160/0x160
[  338.964318] 0 pages in swap cache
[  338.968116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.971975] Swap cache stats: add 0, delete 0, find 0/0
[  338.976496]  ? check_preemption_disabled+0x48/0x200
[  338.979922] Free swap  = 0kB
[  338.985490]  ? __lock_is_held+0xb5/0x140
[  338.990817] Total swap = 0kB
[  338.990826] 1965979 pages RAM
[  338.995858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.998840] 0 pages HighMem/MovableOnly
[  338.998849] 342744 pages reserved
[  339.002921]  ? check_preemption_disabled+0x48/0x200
[  339.005914] 0 pages cma reserved
[  339.009046]  run_timer_softirq+0x52/0xb0
[  339.014642] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  339.018555]  ? rcu_read_lock_sched_held+0x108/0x120
[  339.018574]  __do_softirq+0x30b/0xad8
[  339.018597]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  339.018616]  ? pvclock_read_flags+0x160/0x160
[  339.022128] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.027077]  ? lapic_next_event+0x5a/0x90
[  339.030421] ksoftirqd/1 cpuset=
[  339.034493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.040964] /
[  339.046007]  ? check_preemption_disabled+0x48/0x200
[  339.049781]  mems_allowed=0
[  339.054884]  ? check_preemption_disabled+0x48/0x200
[  339.097239]  ? kvm_clock_read+0x18/0x30
[  339.101225]  ? kvm_sched_clock_read+0x9/0x20
[  339.105653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.111208]  ? check_preemption_disabled+0x48/0x200
[  339.116245]  irq_exit+0x17f/0x1c0
[  339.119708]  smp_apic_timer_interrupt+0x1cb/0x760
[  339.124557]  ? smp_reschedule_interrupt+0x109/0x650
[  339.129581]  ? smp_call_function_single_interrupt+0x650/0x650
[  339.135478]  ? interrupt_entry+0xb5/0xf0
[  339.139565]  ? trace_hardirqs_off_caller+0xbb/0x300
[  339.144619]  ? trace_hardirqs_off_caller+0xbb/0x300
[  339.149649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.154516]  ? trace_hardirqs_off+0x300/0x300
[  339.159016]  ? trace_hardirqs_off+0x300/0x300
[  339.163521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.169069]  ? check_preemption_disabled+0x48/0x200
[  339.174087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.179637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.184503]  apic_timer_interrupt+0xf/0x20
[  339.188743]  </IRQ>
[  339.190987] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  339.195924] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  339.214831] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  339.222546] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  339.229821] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  339.237092] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  339.244363] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  339.251645] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  339.258965]  skb_clone+0x1bb/0x500
[  339.262519]  ? skb_split+0x11e0/0x11e0
[  339.266415]  ? preempt_notifier_register+0x200/0x200
[  339.271521]  ? __switch_to_asm+0x34/0x70
[  339.275586]  ? __switch_to_asm+0x34/0x70
[  339.279648]  ? __switch_to_asm+0x40/0x70
[  339.283706]  ? __switch_to_asm+0x34/0x70
[  339.287775]  ? __switch_to_asm+0x40/0x70
[  339.291841]  ? __switch_to_asm+0x40/0x70
[  339.296407]  ? __switch_to_asm+0x34/0x70
[  339.300484]  ? __switch_to_asm+0x34/0x70
[  339.304550]  ? __switch_to_asm+0x40/0x70
[  339.308614]  ? __switch_to_asm+0x34/0x70
[  339.312693]  bpf_clone_redirect+0xb9/0x490
[  339.316942]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  339.322050]  ? __sched_text_start+0x8/0x8
[  339.326203]  ? lockdep_hardirqs_on+0x421/0x5c0
[  339.330795]  ? retint_kernel+0x2d/0x2d
[  339.334686]  ? trace_hardirqs_on_caller+0xc0/0x300
[  339.339626]  ? find_held_lock+0x36/0x1c0
[  339.343697]  ? lock_acquire+0x1ed/0x520
[  339.347678]  ? bpf_test_run+0x32e/0x5a0
[  339.351657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.357202]  ? check_preemption_disabled+0x48/0x200
[  339.362235]  ? kasan_check_read+0x11/0x20
[  339.366390]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  339.371670]  ? rcu_bh_qs+0xc0/0xc0
[  339.375213]  ? preempt_schedule+0x4d/0x60
[  339.379375]  ? ___preempt_schedule+0x16/0x18
[  339.383794]  ? bpf_test_run+0x1c0/0x5a0
[  339.387788]  ? netlink_diag_dump+0x2a0/0x2a0
[  339.392206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.397751]  ? bpf_test_init.isra.9+0x70/0x100
[  339.402343]  ? bpf_prog_test_run_skb+0x634/0xb40
[  339.407109]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  339.411958]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  339.417499]  ? fput+0x130/0x1a0
[  339.420786]  ? __bpf_prog_get+0x9b/0x290
[  339.424857]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  339.430085]  ? bpf_prog_test_run+0x130/0x1a0
[  339.434509]  ? __x64_sys_bpf+0x3d8/0x510
[  339.438572]  ? bpf_prog_get+0x20/0x20
[  339.442384]  ? ksys_ioctl+0x81/0xd0
[  339.446027]  ? do_syscall_64+0x1b9/0x820
[  339.450094]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  339.455476]  ? syscall_return_slowpath+0x5e0/0x5e0
[  339.460412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.465264]  ? trace_hardirqs_off+0x300/0x300
[  339.469771]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  339.474796]  ? prepare_exit_to_usermode+0x291/0x3b0
[  339.479822]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.484680]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  339.490069] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  339.490154] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  339.496913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  339.496919] Call Trace:
[  339.496938]  dump_stack+0x1c4/0x2b4
[  339.496955]  ? dump_stack_print_info.cold.2+0x52/0x52
[  339.496981]  warn_alloc.cold.118+0xb7/0x1bd
[  339.503516] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.512806]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  339.515364] syz-executor0 cpuset=
[  339.518992]  ? lock_downgrade+0x900/0x900
[  339.524169] syz0
[  339.528508]  ? trace_hardirqs_off+0xb8/0x300
[  339.538992]  mems_allowed=0
[  339.543839]  ? trace_hardirqs_off+0xb8/0x300
[  339.565095]  __alloc_pages_slowpath+0x2667/0x2d80
[  339.569984]  ? mark_held_locks+0x130/0x130
[  339.574243]  ? warn_alloc+0x120/0x120
[  339.578055]  ? warn_alloc+0x120/0x120
[  339.581861]  ? print_usage_bug+0xc0/0xc0
[  339.585925]  ? warn_alloc+0x120/0x120
[  339.589732]  ? print_usage_bug+0xc0/0xc0
[  339.593800]  ? __lock_acquire+0x7ec/0x4ec0
[  339.598038]  ? __lock_acquire+0x7ec/0x4ec0
[  339.602279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.607821]  ? should_fail+0x22d/0xd01
[  339.611714]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.616823]  ? __lock_acquire+0x7ec/0x4ec0
[  339.621067]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.626171]  ? __lock_acquire+0x7ec/0x4ec0
[  339.630408]  ? should_fail+0x22d/0xd01
[  339.634308]  ? mark_held_locks+0x130/0x130
[  339.638554]  ? mark_held_locks+0x130/0x130
[  339.642791]  ? graph_lock+0x170/0x170
[  339.646597]  ? graph_lock+0x170/0x170
[  339.650402]  ? graph_lock+0x170/0x170
[  339.654206]  ? print_usage_bug+0xc0/0xc0
[  339.658296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.663836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.669378]  ? check_preemption_disabled+0x48/0x200
[  339.674396]  ? check_preemption_disabled+0x48/0x200
[  339.679426]  ? __lock_is_held+0xb5/0x140
[  339.683506]  __alloc_pages_nodemask+0xa80/0xde0
[  339.688177]  ? graph_lock+0x170/0x170
[  339.691984]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  339.697004]  ? graph_lock+0x170/0x170
[  339.700817]  ? find_held_lock+0x36/0x1c0
[  339.704896]  ? ____cache_alloc_node+0x1c7/0x1e0
[  339.709576]  ? lock_downgrade+0x900/0x900
[  339.713738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.719308]  cache_grow_begin+0x91/0x8c0
[  339.723404]  ? do_raw_spin_unlock+0xa7/0x2f0
[  339.727826]  fallback_alloc+0x203/0x2e0
[  339.731820]  ____cache_alloc_node+0x1c7/0x1e0
[  339.736324]  kmem_cache_alloc_node+0xe3/0x730
[  339.740829]  ? ipv6_get_ifaddr+0x42e/0x620
[  339.745078]  __alloc_skb+0x119/0x770
[  339.748801]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  339.754087]  ? skb_scrub_packet+0x490/0x490
[  339.758419]  ? lock_downgrade+0x900/0x900
[  339.762581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.768137]  ? refcount_sub_and_test_checked+0x203/0x310
[  339.773603]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  339.779064]  ? addrconf_rs_timer+0x6f0/0x6f0
[  339.783501]  ndisc_alloc_skb+0x144/0x340
[  339.787578]  ndisc_send_rs+0x331/0x6e0
[  339.791488]  addrconf_rs_timer+0x3c0/0x6f0
[  339.795735]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.799992]  call_timer_fn+0x272/0x920
[  339.803886]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.808129]  ? process_timeout+0x40/0x40
[  339.812194]  ? find_held_lock+0x36/0x1c0
[  339.816277]  ? __run_timers+0x7da/0xc70
[  339.820279]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.824776]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.829276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.833518]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  339.838113]  ? trace_hardirqs_on+0xbd/0x310
[  339.842438]  ? kasan_check_read+0x11/0x20
[  339.846601]  ? __run_timers+0x7da/0xc70
[  339.850579]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  339.856042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.860376]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.864620]  __run_timers+0x7e5/0xc70
[  339.868438]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  339.873815]  ? compat_start_thread+0x80/0x80
[  339.878239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.883789]  ? _raw_spin_unlock_irq+0x60/0x80
[  339.888293]  ? finish_task_switch+0x1f5/0x900
[  339.892877]  ? finish_task_switch+0x1b5/0x900
[  339.897377]  ? __switch_to_asm+0x34/0x70
[  339.901450]  ? preempt_notifier_register+0x200/0x200
[  339.906568]  ? __switch_to_asm+0x34/0x70
[  339.910628]  ? __switch_to_asm+0x40/0x70
[  339.914691]  ? __switch_to_asm+0x34/0x70
[  339.918751]  ? __switch_to_asm+0x40/0x70
[  339.922813]  ? __switch_to_asm+0x34/0x70
[  339.926873]  ? __switch_to_asm+0x40/0x70
[  339.930936]  ? __switch_to_asm+0x40/0x70
[  339.935012]  ? pvclock_read_flags+0x160/0x160
[  339.939511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.945052]  ? check_preemption_disabled+0x48/0x200
[  339.950085]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  339.955624]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  339.960909]  ? rcu_pm_notify+0xc0/0xc0
[  339.964805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.970348]  ? check_preemption_disabled+0x48/0x200
[  339.975375]  run_timer_softirq+0x52/0xb0
[  339.979441]  ? rcu_read_lock_sched_held+0x108/0x120
[  339.984479]  __do_softirq+0x30b/0xad8
[  339.988300]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  339.993403]  ? trace_hardirqs_off_caller+0x300/0x300
[  339.998529]  ? schedule+0x108/0x460
[  340.002160]  ? __schedule+0x1ed0/0x1ed0
[  340.006143]  ? trace_hardirqs_off+0xb8/0x300
[  340.010560]  ? ___might_sleep+0x1ed/0x300
[  340.014712]  ? smpboot_thread_fn+0x68b/0xa00
[  340.019124]  ? trace_hardirqs_on+0x310/0x310
[  340.023539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.029086]  ? check_preemption_disabled+0x48/0x200
[  340.034114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.039662]  ? takeover_tasklets+0xa90/0xa90
[  340.044076]  run_ksoftirqd+0x94/0x100
[  340.047883]  smpboot_thread_fn+0x68b/0xa00
[  340.052124]  ? sort_range+0x30/0x30
[  340.055796]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  340.060906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.066446]  ? __kthread_parkme+0xfb/0x1a0
[  340.070698]  kthread+0x35a/0x420
[  340.074066]  ? sort_range+0x30/0x30
[  340.077691]  ? kthread_bind+0x40/0x40
[  340.081503]  ret_from_fork+0x3a/0x50
[  340.085237] warn_alloc_show_mem: 1 callbacks suppressed
[  340.085250] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  340.085252] Mem-Info:
[  340.085285] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  340.085285]  active_file:28 inactive_file:21 isolated_file:0
[  340.085285]  unevictable:0 dirty:0 writeback:0 unstable:0
[  340.085285]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  340.085285]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  340.085285]  free:13666 free_pcp:197 free_cma:0
[  340.090613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  340.090622] Call Trace:
[  340.097910] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  340.100307]  <IRQ>
[  340.133359] Node 0 
[  340.142737]  dump_stack+0x1c4/0x2b4
[  340.145313] 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
[  340.173151]  ? dump_stack_print_info.cold.2+0x52/0x52
[  340.175269] lowmem_reserve[]: 0
[  340.177529]  warn_alloc.cold.118+0xb7/0x1bd
[  340.181134]  2817
[  340.206652]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  340.211818]  6321
[  340.215092]  ? lock_downgrade+0x900/0x900
[  340.219391]  6321
[  340.221484]  ? trace_hardirqs_off+0xb8/0x300
[  340.226302] Node 0 
[  340.228363]  ? trace_hardirqs_off+0xb8/0x300
[  340.232518] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  340.234560]  __alloc_pages_slowpath+0x2667/0x2d80
[  340.238934] lowmem_reserve[]: 0
[  340.241221]  ? warn_alloc+0x120/0x120
[  340.245581]  0
[  340.272319]  ? warn_alloc+0x120/0x120
[  340.277138]  3503 3503
[  340.280443]  ? print_usage_bug+0xc0/0xc0
[  340.284217] Node 0 
[  340.286107]  ? warn_alloc+0x120/0x120
[  340.289908] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  340.292379]  ? print_usage_bug+0xc0/0xc0
[  340.296417] lowmem_reserve[]:
[  340.298649]  ? __lock_acquire+0x7ec/0x4ec0
[  340.302421]  0 0
[  340.330986]  ? __lock_acquire+0x7ec/0x4ec0
[  340.335019]  0
[  340.338119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.342324]  0
[  340.344314]  ? should_fail+0x22d/0xd01
[  340.350318]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.355829] Node 0 
[  340.357631]  ? __lock_acquire+0x7ec/0x4ec0
[  340.361492] DMA: 
[  340.366594]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.368825] 1*4kB 
[  340.373050]  ? __lock_acquire+0x7ec/0x4ec0
[  340.375087] (U) 
[  340.380184]  ? should_fail+0x22d/0xd01
[  340.382310] 0*8kB 
[  340.386548]  ? mark_held_locks+0x130/0x130
[  340.388495] 0*16kB 
[  340.392376]  ? mark_held_locks+0x130/0x130
[  340.394501] 1*32kB 
[  340.398813]  ? graph_lock+0x170/0x170
[  340.401027] (U) 
[  340.405260]  ? graph_lock+0x170/0x170
[  340.407481] 2*64kB 
[  340.411276]  ? graph_lock+0x170/0x170
[  340.413226] (U) 
[  340.417021]  ? print_usage_bug+0xc0/0xc0
[  340.419226] 1*128kB (U) 
[  340.423031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.424985] 1*256kB 
[  340.429043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.431695] (U) 
[  340.437231]  ? check_preemption_disabled+0x48/0x200
[  340.439534] 0*512kB 
[  340.445065]  ? check_preemption_disabled+0x48/0x200
[  340.445092]  ? __lock_is_held+0xb5/0x140
[  340.447046] 1*1024kB 
[  340.452062]  __alloc_pages_nodemask+0xa80/0xde0
[  340.454357] (U) 
[  340.459367]  ? graph_lock+0x170/0x170
[  340.463401] 1*2048kB (M) 
[  340.465817]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  340.470466] 3*4096kB 
[  340.472438]  ? graph_lock+0x170/0x170
[  340.476205] (M) = 15908kB
[  340.478978]  ? find_held_lock+0x36/0x1c0
[  340.483973] Node 0 
[  340.486385]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.490150] DMA32: 
[  340.492902]  ? lock_downgrade+0x900/0x900
[  340.496945] 2*4kB 
[  340.499183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.503820] (M) 
[  340.506055]  cache_grow_begin+0x91/0x8c0
[  340.510189] 0*8kB 
[  340.512334]  ? do_raw_spin_unlock+0xa7/0x2f0
[  340.517843] 3*16kB 
[  340.519823]  fallback_alloc+0x203/0x2e0
[  340.523852] (M) 
[  340.526002]  ____cache_alloc_node+0x1c7/0x1e0
[  340.530378] 2*32kB (UM) 
[  340.532619]  kmem_cache_alloc_node+0xe3/0x730
[  340.536568] 2*64kB (M) 
[  340.538553]  ? ipv6_get_ifaddr+0x42e/0x620
[  340.543018] 4*128kB (UM) 
[  340.545707]  __alloc_skb+0x119/0x770
[  340.550174] 2*256kB 
[  340.552760]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  340.556965] (M) 
[  340.559722]  ? skb_scrub_packet+0x490/0x490
[  340.563457] 4*512kB 
[  340.565787]  ? lock_downgrade+0x900/0x900
[  340.571036] (UM) 
[  340.573015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.577302] 3*1024kB (M) 
[  340.579634]  ? refcount_sub_and_test_checked+0x203/0x310
[  340.583770] 3*2048kB 
[  340.585833]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  340.591345] (UM) 
[  340.594103]  ? addrconf_rs_timer+0x6f0/0x6f0
[  340.599529] 3*4096kB 
[  340.601943]  ndisc_alloc_skb+0x144/0x340
[  340.607376] (M) 
[  340.609441]  ndisc_send_rs+0x331/0x6e0
[  340.613840] = 24824kB
[  340.616251]  addrconf_rs_timer+0x3c0/0x6f0
[  340.620291] Node 0 
[  340.622267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.626125] Normal: 
[  340.628543]  call_timer_fn+0x272/0x920
[  340.632760] 981*4kB 
[  340.635002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.639225] (UMEH) 
[  340.641549]  ? process_timeout+0x40/0x40
[  340.645409] 521*8kB (MEH) 
[  340.647746]  ? find_held_lock+0x36/0x1c0
[  340.651973] 165*16kB 
[  340.654211]  ? __run_timers+0x7da/0xc70
[  340.658244] (UMEH) 
[  340.661090]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.665143] 24*32kB 
[  340.667547]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.671495] (MEH) 
[  340.673728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.678198] 4*64kB 
[  340.680521]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  340.684992] (MH) 
[  340.687139]  ? trace_hardirqs_on+0xbd/0x310
[  340.691362] 3*128kB 
[  340.693595]  ? kasan_check_read+0x11/0x20
[  340.698162] (UH) 
[  340.700224]  ? __run_timers+0x7da/0xc70
[  340.704525] 1*256kB 
[  340.706845]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  340.710962] (U) 1*512kB 
[  340.713036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.716983] (U) 
[  340.719306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.724752] 1*1024kB 
[  340.727422]  __run_timers+0x7e5/0xc70
[  340.731627] (H) 
[  340.733611]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  340.737803] 0*2048kB 0*4096kB 
[  340.740217]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  340.743983] = 13932kB
[  340.743997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  340.745971]  ? graph_lock+0x170/0x170
[  340.751309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  340.751318] 4507 total pagecache pages
[  340.754508]  ? enqueue_hrtimer+0x1a5/0x560
[  340.759507] 0 pages in swap cache
[  340.761913]  ? lock_release+0x970/0x970
[  340.770731] Swap cache stats: add 0, delete 0, find 0/0
[  340.774532]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  340.783080] Free swap  = 0kB
[  340.783089] Total swap = 0kB
[  340.786980]  ? find_held_lock+0x36/0x1c0
[  340.791185] 1965979 pages RAM
[  340.794635]  ? graph_lock+0x170/0x170
[  340.798575] 0 pages HighMem/MovableOnly
[  340.798583] 342744 pages reserved
[  340.803945]  ? pvclock_read_flags+0x160/0x160
[  340.809104] 0 pages cma reserved
[  340.809198] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  340.812128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.815181] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  340.819173]  ? check_preemption_disabled+0x48/0x200
[  340.822254] ksoftirqd/1 cpuset=
[  340.826058]  ? __lock_is_held+0xb5/0x140
[  340.830002] /
[  340.833456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.837934]  mems_allowed=0
[  340.841295]  ? check_preemption_disabled+0x48/0x200
[  340.891244]  run_timer_softirq+0x52/0xb0
[  340.895316]  ? rcu_read_lock_sched_held+0x108/0x120
[  340.900370]  __do_softirq+0x30b/0xad8
[  340.904188]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  340.909326]  ? pvclock_read_flags+0x160/0x160
[  340.913844]  ? lapic_next_event+0x5a/0x90
[  340.918005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.923557]  ? check_preemption_disabled+0x48/0x200
[  340.928603]  ? check_preemption_disabled+0x48/0x200
[  340.933636]  ? kvm_clock_read+0x18/0x30
[  340.937614]  ? kvm_sched_clock_read+0x9/0x20
[  340.942033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.947580]  ? check_preemption_disabled+0x48/0x200
[  340.952618]  irq_exit+0x17f/0x1c0
[  340.956084]  smp_apic_timer_interrupt+0x1cb/0x760
[  340.960929]  ? smp_reschedule_interrupt+0x109/0x650
[  340.965955]  ? smp_call_function_single_interrupt+0x650/0x650
[  340.971855]  ? interrupt_entry+0xb5/0xf0
[  340.975930]  ? trace_hardirqs_off_caller+0xbb/0x300
[  340.980947]  ? trace_hardirqs_off_caller+0xbb/0x300
[  340.985984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.990840]  ? trace_hardirqs_off+0x300/0x300
[  340.995341]  ? trace_hardirqs_off+0x300/0x300
[  340.999841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.005387]  ? check_preemption_disabled+0x48/0x200
[  341.010413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.015968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.020827]  apic_timer_interrupt+0xf/0x20
[  341.025061]  </IRQ>
[  341.027309] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  341.032246] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  341.051162] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  341.058886] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  341.066159] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  341.073429] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  341.080713] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  341.087993] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  341.095318]  skb_clone+0x1bb/0x500
[  341.098869]  ? skb_split+0x11e0/0x11e0
[  341.102764]  ? preempt_notifier_register+0x200/0x200
[  341.107872]  ? __switch_to_asm+0x34/0x70
[  341.111944]  ? __switch_to_asm+0x34/0x70
[  341.116009]  ? __switch_to_asm+0x40/0x70
[  341.120074]  ? __switch_to_asm+0x34/0x70
[  341.124133]  ? __switch_to_asm+0x40/0x70
[  341.128198]  ? __switch_to_asm+0x40/0x70
[  341.132256]  ? __switch_to_asm+0x34/0x70
[  341.136321]  ? __switch_to_asm+0x34/0x70
[  341.140381]  ? __switch_to_asm+0x40/0x70
[  341.144444]  ? __switch_to_asm+0x34/0x70
[  341.148529]  bpf_clone_redirect+0xb9/0x490
[  341.152783]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  341.157810]  ? __sched_text_start+0x8/0x8
[  341.161973]  ? lockdep_hardirqs_on+0x421/0x5c0
[  341.166558]  ? retint_kernel+0x2d/0x2d
[  341.170448]  ? trace_hardirqs_on_caller+0xc0/0x300
[  341.175399]  ? find_held_lock+0x36/0x1c0
[  341.179479]  ? lock_acquire+0x1ed/0x520
[  341.183457]  ? bpf_test_run+0x32e/0x5a0
[  341.187449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.193004]  ? check_preemption_disabled+0x48/0x200
[  341.198034]  ? kasan_check_read+0x11/0x20
[  341.202195]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  341.207486]  ? rcu_bh_qs+0xc0/0xc0
[  341.211041]  ? preempt_schedule+0x4d/0x60
[  341.215192]  ? ___preempt_schedule+0x16/0x18
[  341.219609]  ? bpf_test_run+0x1c0/0x5a0
[  341.223601]  ? netlink_diag_dump+0x2a0/0x2a0
[  341.228040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.233580]  ? bpf_test_init.isra.9+0x70/0x100
[  341.238172]  ? bpf_prog_test_run_skb+0x634/0xb40
[  341.242938]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  341.247787]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  341.253331]  ? fput+0x130/0x1a0
[  341.256624]  ? __bpf_prog_get+0x9b/0x290
[  341.260702]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  341.265558]  ? bpf_prog_test_run+0x130/0x1a0
[  341.269981]  ? __x64_sys_bpf+0x3d8/0x510
[  341.274044]  ? bpf_prog_get+0x20/0x20
[  341.277861]  ? ksys_ioctl+0x81/0xd0
[  341.281508]  ? do_syscall_64+0x1b9/0x820
[  341.285596]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  341.290969]  ? syscall_return_slowpath+0x5e0/0x5e0
[  341.296420]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.301270]  ? trace_hardirqs_off+0x300/0x300
[  341.305774]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  341.310794]  ? prepare_exit_to_usermode+0x291/0x3b0
[  341.315824]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.320693]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  341.326094] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  341.326175] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  341.332950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.332962] Call Trace:
[  341.339679] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.348841]  dump_stack+0x1c4/0x2b4
[  341.351410] syz-executor0 cpuset=
[  341.361906]  ? dump_stack_print_info.cold.2+0x52/0x52
[  341.365510] syz0
[  341.368974]  warn_alloc.cold.118+0xb7/0x1bd
[  341.374128]  mems_allowed=0
[  341.383357]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.388224]  ? lock_downgrade+0x900/0x900
[  341.392401]  ? trace_hardirqs_off+0xb8/0x300
[  341.397198]  ? trace_hardirqs_off+0xb8/0x300
[  341.401649]  __alloc_pages_slowpath+0x2667/0x2d80
[  341.406536]  ? mark_held_locks+0x130/0x130
[  341.410799]  ? warn_alloc+0x120/0x120
[  341.414624]  ? warn_alloc+0x120/0x120
[  341.418452]  ? print_usage_bug+0xc0/0xc0
[  341.422540]  ? warn_alloc+0x120/0x120
[  341.426360]  ? print_usage_bug+0xc0/0xc0
[  341.431191]  ? __lock_acquire+0x7ec/0x4ec0
[  341.435440]  ? __lock_acquire+0x7ec/0x4ec0
[  341.439695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.445247]  ? should_fail+0x22d/0xd01
[  341.449152]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.454276]  ? __lock_acquire+0x7ec/0x4ec0
[  341.458534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.463656]  ? __lock_acquire+0x7ec/0x4ec0
[  341.467911]  ? should_fail+0x22d/0xd01
[  341.471834]  ? mark_held_locks+0x130/0x130
[  341.476092]  ? mark_held_locks+0x130/0x130
[  341.480347]  ? graph_lock+0x170/0x170
[  341.484167]  ? graph_lock+0x170/0x170
[  341.487996]  ? graph_lock+0x170/0x170
[  341.491823]  ? print_usage_bug+0xc0/0xc0
[  341.495906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.501558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.507127]  ? check_preemption_disabled+0x48/0x200
[  341.512167]  ? check_preemption_disabled+0x48/0x200
[  341.517217]  ? __lock_is_held+0xb5/0x140
[  341.521308]  __alloc_pages_nodemask+0xa80/0xde0
[  341.526000]  ? graph_lock+0x170/0x170
[  341.529820]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  341.534945]  ? graph_lock+0x170/0x170
[  341.538770]  ? find_held_lock+0x36/0x1c0
[  341.542854]  ? ____cache_alloc_node+0x1c7/0x1e0
[  341.547532]  ? lock_downgrade+0x900/0x900
[  341.551707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.557267]  cache_grow_begin+0x91/0x8c0
[  341.561338]  ? do_raw_spin_unlock+0xa7/0x2f0
[  341.565781]  fallback_alloc+0x203/0x2e0
[  341.569773]  ____cache_alloc_node+0x1c7/0x1e0
[  341.574287]  kmem_cache_alloc_node+0xe3/0x730
[  341.578814]  ? ipv6_get_ifaddr+0x42e/0x620
[  341.583067]  __alloc_skb+0x119/0x770
[  341.586798]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  341.592115]  ? skb_scrub_packet+0x490/0x490
[  341.596443]  ? lock_downgrade+0x900/0x900
[  341.600614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.606161]  ? refcount_sub_and_test_checked+0x203/0x310
[  341.611630]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  341.617191]  ? addrconf_rs_timer+0x6f0/0x6f0
[  341.621624]  ndisc_alloc_skb+0x144/0x340
[  341.625703]  ndisc_send_rs+0x331/0x6e0
[  341.629609]  addrconf_rs_timer+0x3c0/0x6f0
[  341.633858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.638126]  call_timer_fn+0x272/0x920
[  341.642028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.646276]  ? process_timeout+0x40/0x40
[  341.650342]  ? find_held_lock+0x36/0x1c0
[  341.654429]  ? __run_timers+0x7da/0xc70
[  341.658419]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.662927]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.667433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.671704]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  341.676307]  ? trace_hardirqs_on+0xbd/0x310
[  341.680647]  ? kasan_check_read+0x11/0x20
[  341.684818]  ? __run_timers+0x7da/0xc70
[  341.688806]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  341.694290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.698547]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.702793]  __run_timers+0x7e5/0xc70
[  341.706622]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  341.712000]  ? compat_start_thread+0x80/0x80
[  341.716428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.721992]  ? _raw_spin_unlock_irq+0x60/0x80
[  341.726507]  ? finish_task_switch+0x1f5/0x900
[  341.731015]  ? finish_task_switch+0x1b5/0x900
[  341.735525]  ? __switch_to_asm+0x34/0x70
[  341.739601]  ? preempt_notifier_register+0x200/0x200
[  341.744714]  ? __switch_to_asm+0x34/0x70
[  341.748781]  ? __switch_to_asm+0x40/0x70
[  341.752850]  ? __switch_to_asm+0x34/0x70
[  341.756915]  ? __switch_to_asm+0x40/0x70
[  341.760981]  ? __switch_to_asm+0x34/0x70
[  341.765044]  ? __switch_to_asm+0x40/0x70
[  341.769114]  ? __switch_to_asm+0x40/0x70
[  341.773190]  ? pvclock_read_flags+0x160/0x160
[  341.777699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.783258]  ? check_preemption_disabled+0x48/0x200
[  341.788300]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  341.793850]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  341.799141]  ? rcu_pm_notify+0xc0/0xc0
[  341.803037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.808588]  ? check_preemption_disabled+0x48/0x200
[  341.813620]  run_timer_softirq+0x52/0xb0
[  341.817694]  ? rcu_read_lock_sched_held+0x108/0x120
[  341.822730]  __do_softirq+0x30b/0xad8
[  341.826560]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  341.831672]  ? trace_hardirqs_off_caller+0x300/0x300
[  341.836806]  ? schedule+0x108/0x460
[  341.840451]  ? __schedule+0x1ed0/0x1ed0
[  341.844445]  ? trace_hardirqs_off+0xb8/0x300
[  341.848916]  ? ___might_sleep+0x1ed/0x300
[  341.853068]  ? smpboot_thread_fn+0x68b/0xa00
[  341.857511]  ? trace_hardirqs_on+0x310/0x310
[  341.861929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.867487]  ? check_preemption_disabled+0x48/0x200
[  341.872513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.878064]  ? takeover_tasklets+0xa90/0xa90
[  341.882498]  run_ksoftirqd+0x94/0x100
[  341.886312]  smpboot_thread_fn+0x68b/0xa00
[  341.890562]  ? sort_range+0x30/0x30
[  341.894198]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  341.899317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.904871]  ? __kthread_parkme+0xfb/0x1a0
[  341.909119]  kthread+0x35a/0x420
[  341.912497]  ? sort_range+0x30/0x30
[  341.916126]  ? kthread_bind+0x40/0x40
[  341.919937]  ret_from_fork+0x3a/0x50
[  341.923681] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  341.923686] warn_alloc_show_mem: 1 callbacks suppressed
[  341.923693] Mem-Info:
[  341.930977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.936352] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  341.936352]  active_file:28 inactive_file:21 isolated_file:0
[  341.936352]  unevictable:0 dirty:0 writeback:0 unstable:0
[  341.936352]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  341.936352]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  341.936352]  free:13666 free_pcp:197 free_cma:0
[  341.938729] Call Trace:
[  341.948124] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  341.981157]  <IRQ>
[  341.983731] Node 0 
[  342.011596]  dump_stack+0x1c4/0x2b4
[  342.013745] 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
[  342.015977]  ? dump_stack_print_info.cold.2+0x52/0x52
[  342.019585] lowmem_reserve[]: 0
[  342.045120]  warn_alloc.cold.118+0xb7/0x1bd
[  342.050287]  2817
[  342.053560]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  342.057855]  6321
[  342.059919]  ? lock_downgrade+0x900/0x900
[  342.064730]  6321
[  342.066813]  ? trace_hardirqs_off+0xb8/0x300
[  342.070930] Node 0 
[  342.072992]  ? trace_hardirqs_off+0xb8/0x300
[  342.077394] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  342.079606]  __alloc_pages_slowpath+0x2667/0x2d80
[  342.083990] lowmem_reserve[]:
[  342.110754]  ? warn_alloc+0x120/0x120
[  342.115541]  0
[  342.118646]  ? trace_hardirqs_on+0x310/0x310
[  342.122414]  0 3503
[  342.124223]  ? warn_alloc+0x120/0x120
[  342.128606]  3503
[  342.130848]  ? print_usage_bug+0xc0/0xc0
[  342.134624] Node 0 
[  342.136683]  ? warn_alloc+0x120/0x120
[  342.140744] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  342.142956]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  342.146738] lowmem_reserve[]:
[  342.175295]  ? print_usage_bug+0xc0/0xc0
[  342.180288]  0
[  342.183409]  ? __lock_acquire+0x7ec/0x4ec0
[  342.187441]  0 0
[  342.189258]  ? __lock_acquire+0x7ec/0x4ec0
[  342.193475]  0
[  342.195451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.199666] Node 0 
[  342.201477]  ? should_fail+0x22d/0xd01
[  342.206991] DMA: 
[  342.209228]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.213090] 1*4kB 
[  342.215146]  ? __lock_acquire+0x7ec/0x4ec0
[  342.220269] (U) 
[  342.222423]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.226631] 0*8kB 
[  342.228608]  ? __lock_acquire+0x7ec/0x4ec0
[  342.233682] 0*16kB 1*32kB 
[  342.235839]  ? should_fail+0x22d/0xd01
[  342.240052] (U) 
[  342.242894]  ? print_usage_bug+0xc0/0xc0
[  342.246758] 2*64kB 
[  342.248748]  ? mark_held_locks+0x130/0x130
[  342.252793] (U) 
[  342.255028]  ? mark_held_locks+0x130/0x130
[  342.259238] 1*128kB (U) 
[  342.261242]  ? graph_lock+0x170/0x170
[  342.265457] 1*256kB 
[  342.268133]  ? print_usage_bug+0xc0/0xc0
[  342.271909] (U) 
[  342.274232]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  342.278273] 0*512kB 
[  342.280254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.284982] 1*1024kB (U) 
[  342.287412]  ? check_preemption_disabled+0x48/0x200
[  342.292927] 1*2048kB 
[  342.295686]  ? check_preemption_disabled+0x48/0x200
[  342.300675] (M) 
[  342.303095]  ? __lock_is_held+0xb5/0x140
[  342.308079] 3*4096kB 
[  342.310057]  __alloc_pages_nodemask+0xa80/0xde0
[  342.314086] (M) 
[  342.316499]  ? graph_lock+0x170/0x170
[  342.321143] = 15908kB
[  342.323119]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  342.326890] Node 0 
[  342.329295]  ? graph_lock+0x170/0x170
[  342.334284] DMA32: 
[  342.336528]  ? find_held_lock+0x36/0x1c0
[  342.340309] 2*4kB 
[  342.342562]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.346593] (M) 
[  342.348745]  ? lock_downgrade+0x900/0x900
[  342.353386] 0*8kB 3*16kB 
[  342.355374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.359495] (M) 
[  342.362258]  cache_grow_begin+0x91/0x8c0
[  342.367780] 2*32kB 
[  342.369780]  ? do_raw_spin_unlock+0xa7/0x2f0
[  342.373813] (UM) 
[  342.376052]  fallback_alloc+0x203/0x2e0
[  342.380434] 2*64kB 
[  342.382509]  ____cache_alloc_node+0x1c7/0x1e0
[  342.386457] (M) 
[  342.388703]  kmem_cache_alloc_node+0xe3/0x730
[  342.393169] 4*128kB 
[  342.395140]  ? ipv6_get_ifaddr+0x42e/0x620
[  342.399607] (UM) 2*256kB 
[  342.401946]  __alloc_skb+0x119/0x770
[  342.406159] (M) 
[  342.408941]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  342.412630] 4*512kB 
[  342.414613]  ? skb_scrub_packet+0x490/0x490
[  342.419853] (UM) 3*1024kB 
[  342.422185]  ? lock_downgrade+0x900/0x900
[  342.426479] (M) 3*2048kB 
[  342.429341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.433474] (UM) 
[  342.436232]  ? refcount_sub_and_test_checked+0x203/0x310
[  342.441741] 3*4096kB (M) 
[  342.443860]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  342.449283] = 24824kB
[  342.452040]  ? addrconf_rs_timer+0x6f0/0x6f0
[  342.457472] Node 0 
[  342.459891]  ndisc_alloc_skb+0x144/0x340
[  342.464258] Normal: 981*4kB 
[  342.466507]  ndisc_send_rs+0x331/0x6e0
[  342.470540] (UMEH) 
[  342.473561]  addrconf_rs_timer+0x3c0/0x6f0
[  342.477423] 521*8kB 
[  342.479683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.483884] (MEH) 
[  342.486216]  call_timer_fn+0x272/0x920
[  342.490415] 165*16kB 
[  342.492569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.496435] (UMEH) 
[  342.498947]  ? process_timeout+0x40/0x40
[  342.503155] 24*32kB 
[  342.505397]  ? find_held_lock+0x36/0x1c0
[  342.509426] (MEH) 4*64kB 
[  342.511782]  ? __run_timers+0x7da/0xc70
[  342.515808] (MH) 
[  342.518579]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.522530] 3*128kB 
[  342.524598]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.529069] (UH) 
[  342.531405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.535879] 1*256kB 
[  342.537947]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  342.542176] (U) 
[  342.544514]  ? trace_hardirqs_on+0xbd/0x310
[  342.549078] 1*512kB 
[  342.551074]  ? kasan_check_read+0x11/0x20
[  342.555381] (U) 1*1024kB 
[  342.557739]  ? __run_timers+0x7da/0xc70
[  342.561850] (H) 
[  342.564610]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  342.568563] 0*2048kB 
[  342.570545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.575968] 0*4096kB 
[  342.578392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.582597] = 13932kB
[  342.585009]  __run_timers+0x7e5/0xc70
[  342.589228] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  342.591647]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  342.595435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  342.604294]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  342.609638] 4507 total pagecache pages
[  342.618237]  ? graph_lock+0x170/0x170
[  342.623271] 0 pages in swap cache
[  342.627172]  ? enqueue_hrtimer+0x1a5/0x560
[  342.630956] Swap cache stats: add 0, delete 0, find 0/0
[  342.634411]  ? lock_release+0x970/0x970
[  342.638626] Free swap  = 0kB
[  342.644007]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  342.647954] Total swap = 0kB
[  342.647963] 1965979 pages RAM
[  342.650989]  ? find_held_lock+0x36/0x1c0
[  342.656161] 0 pages HighMem/MovableOnly
[  342.659198]  ? graph_lock+0x170/0x170
[  342.662284] 342744 pages reserved
[  342.666345]  ? pvclock_read_flags+0x160/0x160
[  342.670305] 0 pages cma reserved
[  342.674120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.677709] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  342.682591]  ? check_preemption_disabled+0x48/0x200
[  342.686124] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  342.691509]  ? __lock_is_held+0xb5/0x140
[  342.697974] ksoftirqd/1 cpuset=
[  342.703002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.713301] /
[  342.717375]  ? check_preemption_disabled+0x48/0x200
[  342.720636]  mems_allowed=0
[  342.726197]  run_timer_softirq+0x52/0xb0
[  342.740078]  ? rcu_read_lock_sched_held+0x108/0x120
[  342.745162]  __do_softirq+0x30b/0xad8
[  342.748995]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  342.754120]  ? pvclock_read_flags+0x160/0x160
[  342.758722]  ? lapic_next_event+0x5a/0x90
[  342.762898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.768485]  ? check_preemption_disabled+0x48/0x200
[  342.773526]  ? check_preemption_disabled+0x48/0x200
[  342.778641]  ? kvm_clock_read+0x18/0x30
[  342.782638]  ? kvm_sched_clock_read+0x9/0x20
[  342.787074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.792638]  ? check_preemption_disabled+0x48/0x200
[  342.797710]  irq_exit+0x17f/0x1c0
[  342.801283]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.806147]  ? smp_reschedule_interrupt+0x109/0x650
[  342.811188]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.817098]  ? interrupt_entry+0xb5/0xf0
[  342.821270]  ? trace_hardirqs_off_caller+0xbb/0x300
[  342.826408]  ? trace_hardirqs_off_caller+0xbb/0x300
[  342.831640]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.836601]  ? trace_hardirqs_off+0x300/0x300
[  342.841115]  ? trace_hardirqs_off+0x300/0x300
[  342.845725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.851386]  ? check_preemption_disabled+0x48/0x200
[  342.856536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.862314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.867197]  apic_timer_interrupt+0xf/0x20
[  342.871627]  </IRQ>
[  342.873892] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  342.878985] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  342.897919] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  342.905758] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  342.913048] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  342.920513] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  342.927974] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  342.935439] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  342.942816]  skb_clone+0x1bb/0x500
[  342.946387]  ? skb_split+0x11e0/0x11e0
[  342.950298]  ? preempt_notifier_register+0x200/0x200
[  342.955429]  ? __switch_to_asm+0x34/0x70
[  342.959547]  ? __switch_to_asm+0x34/0x70
[  342.963719]  ? __switch_to_asm+0x40/0x70
[  342.967913]  ? __switch_to_asm+0x34/0x70
[  342.972045]  ? __switch_to_asm+0x40/0x70
[  342.976130]  ? __switch_to_asm+0x40/0x70
[  342.980211]  ? __switch_to_asm+0x34/0x70
[  342.984392]  ? __switch_to_asm+0x34/0x70
[  342.988501]  ? __switch_to_asm+0x40/0x70
[  342.992580]  ? __switch_to_asm+0x34/0x70
[  342.996781]  bpf_clone_redirect+0xb9/0x490
[  343.001057]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  343.006106]  ? __sched_text_start+0x8/0x8
[  343.010495]  ? lockdep_hardirqs_on+0x421/0x5c0
[  343.015239]  ? retint_kernel+0x2d/0x2d
[  343.019146]  ? trace_hardirqs_on_caller+0xc0/0x300
[  343.024200]  ? find_held_lock+0x36/0x1c0
[  343.028298]  ? lock_acquire+0x1ed/0x520
[  343.032390]  ? bpf_test_run+0x32e/0x5a0
[  343.036511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.042135]  ? check_preemption_disabled+0x48/0x200
[  343.047260]  ? kasan_check_read+0x11/0x20
[  343.051620]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  343.056971]  ? rcu_bh_qs+0xc0/0xc0
[  343.060543]  ? preempt_schedule+0x4d/0x60
[  343.064719]  ? ___preempt_schedule+0x16/0x18
[  343.069253]  ? bpf_test_run+0x1c0/0x5a0
[  343.073359]  ? netlink_diag_dump+0x2a0/0x2a0
[  343.077800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.083365]  ? bpf_test_init.isra.9+0x70/0x100
[  343.087978]  ? bpf_prog_test_run_skb+0x634/0xb40
[  343.092770]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  343.097640]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  343.103311]  ? fput+0x130/0x1a0
[  343.106616]  ? __bpf_prog_get+0x9b/0x290
[  343.110706]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  343.115577]  ? bpf_prog_test_run+0x130/0x1a0
[  343.120100]  ? __x64_sys_bpf+0x3d8/0x510
[  343.124307]  ? bpf_prog_get+0x20/0x20
[  343.128143]  ? ksys_ioctl+0x81/0xd0
[  343.131804]  ? do_syscall_64+0x1b9/0x820
[  343.136098]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  343.141597]  ? syscall_return_slowpath+0x5e0/0x5e0
[  343.146639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.151630]  ? trace_hardirqs_off+0x300/0x300
[  343.156376]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  343.161514]  ? prepare_exit_to_usermode+0x291/0x3b0
[  343.166639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.171599]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  343.177168] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  343.177253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  343.184030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.184040] Call Trace:
[  343.190778] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  343.200088]  dump_stack+0x1c4/0x2b4
[  343.202667] syz-executor0 cpuset=
[  343.213271]  ? dump_stack_print_info.cold.2+0x52/0x52
[  343.216979] syz0
[  343.220492]  warn_alloc.cold.118+0xb7/0x1bd
[  343.225759]  mems_allowed=0
[  343.235229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.240150]  ? lock_downgrade+0x900/0x900
[  343.244339]  ? trace_hardirqs_off+0xb8/0x300
[  343.248791]  ? trace_hardirqs_off+0xb8/0x300
[  343.253245]  __alloc_pages_slowpath+0x2667/0x2d80
[  343.258188]  ? mark_held_locks+0x130/0x130
[  343.262819]  ? warn_alloc+0x120/0x120
[  343.266725]  ? warn_alloc+0x120/0x120
[  343.270644]  ? print_usage_bug+0xc0/0xc0
[  343.274810]  ? warn_alloc+0x120/0x120
[  343.278727]  ? print_usage_bug+0xc0/0xc0
[  343.282904]  ? __lock_acquire+0x7ec/0x4ec0
[  343.287164]  ? __lock_acquire+0x7ec/0x4ec0
[  343.291431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.297606]  ? should_fail+0x22d/0xd01
[  343.301546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.306675]  ? __lock_acquire+0x7ec/0x4ec0
[  343.310940]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.316066]  ? __lock_acquire+0x7ec/0x4ec0
[  343.320417]  ? should_fail+0x22d/0xd01
[  343.324326]  ? print_usage_bug+0xc0/0xc0
[  343.328444]  ? mark_held_locks+0x130/0x130
[  343.332739]  ? mark_held_locks+0x130/0x130
[  343.337012]  ? graph_lock+0x170/0x170
[  343.340840]  ? print_usage_bug+0xc0/0xc0
[  343.345011]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  343.349984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.355815]  ? check_preemption_disabled+0x48/0x200
[  343.360861]  ? check_preemption_disabled+0x48/0x200
[  343.365917]  ? __lock_is_held+0xb5/0x140
[  343.370099]  __alloc_pages_nodemask+0xa80/0xde0
[  343.374974]  ? graph_lock+0x170/0x170
[  343.378821]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  343.383865]  ? graph_lock+0x170/0x170
[  343.387706]  ? find_held_lock+0x36/0x1c0
[  343.392060]  ? ____cache_alloc_node+0x1c7/0x1e0
[  343.396846]  ? lock_downgrade+0x900/0x900
[  343.401029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.406774]  cache_grow_begin+0x91/0x8c0
[  343.410868]  ? do_raw_spin_unlock+0xa7/0x2f0
[  343.415576]  fallback_alloc+0x203/0x2e0
[  343.419589]  ____cache_alloc_node+0x1c7/0x1e0
[  343.424122]  kmem_cache_alloc_node+0xe3/0x730
[  343.429441]  ? ipv6_get_ifaddr+0x42e/0x620
[  343.433880]  __alloc_skb+0x119/0x770
[  343.437726]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  343.443114]  ? skb_scrub_packet+0x490/0x490
[  343.447489]  ? lock_downgrade+0x900/0x900
[  343.451674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.457424]  ? refcount_sub_and_test_checked+0x203/0x310
[  343.462928]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  343.468588]  ? addrconf_rs_timer+0x6f0/0x6f0
[  343.473057]  ndisc_alloc_skb+0x144/0x340
[  343.477149]  ndisc_send_rs+0x331/0x6e0
[  343.481067]  addrconf_rs_timer+0x3c0/0x6f0
[  343.485334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.489607]  call_timer_fn+0x272/0x920
[  343.493537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.497800]  ? process_timeout+0x40/0x40
[  343.501982]  ? find_held_lock+0x36/0x1c0
[  343.506085]  ? __run_timers+0x7da/0xc70
[  343.510090]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.514698]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.519395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.523748]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  343.528452]  ? trace_hardirqs_on+0xbd/0x310
[  343.532993]  ? kasan_check_read+0x11/0x20
[  343.537168]  ? __run_timers+0x7da/0xc70
[  343.541170]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  343.547007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.551287]  __run_timers+0x7e5/0xc70
[  343.555217]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  343.560609]  ? compat_start_thread+0x80/0x80
[  343.565141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.570713]  ? _raw_spin_unlock_irq+0x60/0x80
[  343.575239]  ? finish_task_switch+0x1f5/0x900
[  343.579932]  ? finish_task_switch+0x1b5/0x900
[  343.584491]  ? __switch_to_asm+0x34/0x70
[  343.588585]  ? preempt_notifier_register+0x200/0x200
[  343.593711]  ? __switch_to_asm+0x34/0x70
[  343.597797]  ? __switch_to_asm+0x40/0x70
[  343.601969]  ? __switch_to_asm+0x34/0x70
[  343.606048]  ? __switch_to_asm+0x40/0x70
[  343.610305]  ? __switch_to_asm+0x34/0x70
[  343.614499]  ? __switch_to_asm+0x40/0x70
[  343.618677]  ? __switch_to_asm+0x40/0x70
[  343.622772]  ? pvclock_read_flags+0x160/0x160
[  343.627296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.632863]  ? check_preemption_disabled+0x48/0x200
[  343.637921]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  343.643227]  ? rcu_pm_notify+0xc0/0xc0
[  343.647298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.652869]  ? check_preemption_disabled+0x48/0x200
[  343.657921]  run_timer_softirq+0x52/0xb0
[  343.662006]  ? rcu_read_lock_sched_held+0x108/0x120
[  343.667050]  __do_softirq+0x30b/0xad8
[  343.670994]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  343.676119]  ? trace_hardirqs_off_caller+0x300/0x300
[  343.681262]  ? schedule+0x108/0x460
[  343.684922]  ? __schedule+0x1ed0/0x1ed0
[  343.689045]  ? trace_hardirqs_off+0xb8/0x300
[  343.693665]  ? ___might_sleep+0x1ed/0x300
[  343.698057]  ? smpboot_thread_fn+0x68b/0xa00
[  343.702539]  ? trace_hardirqs_on+0x310/0x310
[  343.707175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.712759]  ? check_preemption_disabled+0x48/0x200
[  343.717960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.723634]  ? takeover_tasklets+0xa90/0xa90
[  343.728227]  run_ksoftirqd+0x94/0x100
[  343.732175]  smpboot_thread_fn+0x68b/0xa00
[  343.736459]  ? sort_range+0x30/0x30
[  343.740340]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  343.745588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.751161]  ? __kthread_parkme+0xfb/0x1a0
[  343.755614]  kthread+0x35a/0x420
[  343.759013]  ? sort_range+0x30/0x30
[  343.762840]  ? kthread_bind+0x40/0x40
[  343.766674]  ret_from_fork+0x3a/0x50
[  343.770649] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  343.770655] warn_alloc_show_mem: 1 callbacks suppressed
[  343.770663] Mem-Info:
[  343.777987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.783516] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  343.783516]  active_file:28 inactive_file:21 isolated_file:0
[  343.783516]  unevictable:0 dirty:0 writeback:0 unstable:0
[  343.783516]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  343.783516]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  343.783516]  free:13666 free_pcp:197 free_cma:0
[  343.786000] Call Trace:
[  343.795420] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  343.828750]  <IRQ>
[  343.831347] Node 0 
[  343.859855]  dump_stack+0x1c4/0x2b4
[  343.862024] 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
[  343.864253]  ? dump_stack_print_info.cold.2+0x52/0x52
[  343.867879] lowmem_reserve[]:
[  343.893598]  warn_alloc.cold.118+0xb7/0x1bd
[  343.898780]  0
[  343.901991]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.906304]  2817
[  343.908121]  ? lock_downgrade+0x900/0x900
[  343.913050]  6321
[  343.915134]  ? trace_hardirqs_off+0xb8/0x300
[  343.919532]  6321
[  343.921613]  ? trace_hardirqs_off+0xb8/0x300
[  343.928095]  __alloc_pages_slowpath+0x2667/0x2d80
[  343.932516] Node 0 DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  343.937406]  ? warn_alloc+0x120/0x120
[  343.937424]  ? trace_hardirqs_on+0x310/0x310
[  343.964985] lowmem_reserve[]: 0
[  343.968837]  ? warn_alloc+0x120/0x120
[  343.973313]  0
[  343.976695]  ? print_usage_bug+0xc0/0xc0
[  343.980518]  3503
[  343.982499]  ? warn_alloc+0x120/0x120
[  343.986792]  3503
[  343.988876]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  343.992671] Node 0 
[  343.994971]  ? print_usage_bug+0xc0/0xc0
[  344.000019] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  344.002370]  ? __lock_acquire+0x7ec/0x4ec0
[  344.006416] lowmem_reserve[]: 0
[  344.035542]  ? __lock_acquire+0x7ec/0x4ec0
[  344.039775]  0
[  344.043075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.047377]  0 0
[  344.049204]  ? should_fail+0x22d/0xd01
[  344.054733] Node 0 
[  344.056759]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.060830] DMA: 
[  344.063085]  ? __lock_acquire+0x7ec/0x4ec0
[  344.068180] 1*4kB 
[  344.070260]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.074510] (U) 
[  344.076834]  ? __lock_acquire+0x7ec/0x4ec0
[  344.082051] 0*8kB 
[  344.084222]  ? should_fail+0x22d/0xd01
[  344.088584] 0*16kB 
[  344.090753]  ? print_usage_bug+0xc0/0xc0
[  344.094627] 1*32kB (U) 
[  344.096901]  ? mark_held_locks+0x130/0x130
[  344.101059] 2*64kB (U) 
[  344.103672]  ? mark_held_locks+0x130/0x130
[  344.107894] 1*128kB (U) 
[  344.110532]  ? graph_lock+0x170/0x170
[  344.114786] 1*256kB 
[  344.117494]  ? print_usage_bug+0xc0/0xc0
[  344.121400] (U) 
[  344.123770]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.127997] 0*512kB 1*1024kB 
[  344.130003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.134835] (U) 
[  344.138012]  ? check_preemption_disabled+0x48/0x200
[  344.143546] 1*2048kB 
[  344.145583]  ? check_preemption_disabled+0x48/0x200
[  344.150645] (M) 3*4096kB 
[  344.153090]  ? __lock_is_held+0xb5/0x140
[  344.158193] (M) 
[  344.160974]  __alloc_pages_nodemask+0xa80/0xde0
[  344.165120] = 15908kB
[  344.167107]  ? graph_lock+0x170/0x170
[  344.171788] Node 0 
[  344.174215]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  344.178005] DMA32: 
[  344.180345]  ? graph_lock+0x170/0x170
[  344.185391] 2*4kB 
[  344.187650]  ? find_held_lock+0x36/0x1c0
[  344.191552] (M) 
[  344.193833]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.198133] 0*8kB 3*16kB 
[  344.200142]  ? lock_downgrade+0x900/0x900
[  344.204803] (M) 
[  344.207652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.211994] 2*32kB 
[  344.213992]  cache_grow_begin+0x91/0x8c0
[  344.219555] (UM) 
[  344.221810]  ? do_raw_spin_unlock+0xa7/0x2f0
[  344.225861] 2*64kB 
[  344.227942]  fallback_alloc+0x203/0x2e0
[  344.232422] (M) 
[  344.234682]  ____cache_alloc_node+0x1c7/0x1e0
[  344.238729] 4*128kB 
[  344.240729]  kmem_cache_alloc_node+0xe3/0x730
[  344.245310] (UM) 
[  344.247657]  ? ipv6_get_ifaddr+0x42e/0x620
[  344.252207] 2*256kB 
[  344.254377]  __alloc_skb+0x119/0x770
[  344.258601] (M) 
[  344.260955]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  344.264654] 4*512kB (UM) 
[  344.266657]  ? skb_scrub_packet+0x490/0x490
[  344.272013] 3*1024kB 
[  344.274820]  ? lock_downgrade+0x900/0x900
[  344.279144] (M) 
[  344.281667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.285902] 3*2048kB (UM) 
[  344.287919]  ? refcount_sub_and_test_checked+0x203/0x310
[  344.293444] 3*4096kB (M) 
[  344.296342]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  344.302014] = 24824kB
[  344.302024] Node 0 
[  344.304802]  ? addrconf_rs_timer+0x6f0/0x6f0
[  344.310248] Normal: 
[  344.312680]  ndisc_alloc_skb+0x144/0x340
[  344.314899] 981*4kB 
[  344.319324]  ndisc_send_rs+0x331/0x6e0
[  344.321635] (UMEH) 
[  344.325718]  addrconf_rs_timer+0x3c0/0x6f0
[  344.328025] 521*8kB (MEH) 
[  344.332008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.334242] 165*16kB 
[  344.338625]  call_timer_fn+0x272/0x920
[  344.341454] (UMEH) 
[  344.345874]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.348526] 24*32kB (MEH) 
[  344.352439]  ? process_timeout+0x40/0x40
[  344.354752] 4*64kB 
[  344.358992]  ? find_held_lock+0x36/0x1c0
[  344.359016]  ? __run_timers+0x7da/0xc70
[  344.361854] (MH) 
[  344.365933]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.368154] 3*128kB (UH) 
[  344.372239]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.376205] 1*256kB (U) 
[  344.378296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.378313]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  344.382802] 1*512kB (U) 
[  344.385596]  ? trace_hardirqs_on+0xbd/0x310
[  344.390158] 1*1024kB (H) 
[  344.392852]  ? kasan_check_read+0x11/0x20
[  344.397075] 0*2048kB 0*4096kB 
[  344.401806]  ? __run_timers+0x7da/0xc70
[  344.404458] = 13932kB
[  344.404500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  344.408834]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  344.411590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  344.415938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.419134] 4507 total pagecache pages
[  344.423130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.425594] 0 pages in swap cache
[  344.434446]  __run_timers+0x7e5/0xc70
[  344.440062] Swap cache stats: add 0, delete 0, find 0/0
[  344.440072] Free swap  = 0kB
[  344.448676]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  344.452975] Total swap = 0kB
[  344.452983] 1965979 pages RAM
[  344.457061]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  344.461283] 0 pages HighMem/MovableOnly
[  344.461292] 342744 pages reserved
[  344.464773]  ? graph_lock+0x170/0x170
[  344.468608] 0 pages cma reserved
[  344.468701] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.473998]  ? enqueue_hrtimer+0x1a5/0x560
[  344.477228] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.482711]  ? lock_release+0x970/0x970
[  344.485991] ksoftirqd/1 cpuset=
[  344.489230]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  344.494315] /
[  344.498318]  ? find_held_lock+0x36/0x1c0
[  344.501772]  mems_allowed=0
[  344.505972]  ? graph_lock+0x170/0x170
[  344.556009]  ? pvclock_read_flags+0x160/0x160
[  344.560622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.566189]  ? check_preemption_disabled+0x48/0x200
[  344.571247]  ? __lock_is_held+0xb5/0x140
[  344.575684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.581254]  ? check_preemption_disabled+0x48/0x200
[  344.586404]  run_timer_softirq+0x52/0xb0
[  344.590515]  ? rcu_read_lock_sched_held+0x108/0x120
[  344.595654]  __do_softirq+0x30b/0xad8
[  344.599523]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  344.604659]  ? pvclock_read_flags+0x160/0x160
[  344.609177]  ? lapic_next_event+0x5a/0x90
[  344.613347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.618926]  ? check_preemption_disabled+0x48/0x200
[  344.623967]  ? check_preemption_disabled+0x48/0x200
[  344.629206]  ? kvm_clock_read+0x18/0x30
[  344.633202]  ? kvm_sched_clock_read+0x9/0x20
[  344.637801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.643604]  ? check_preemption_disabled+0x48/0x200
[  344.648655]  irq_exit+0x17f/0x1c0
[  344.652379]  smp_apic_timer_interrupt+0x1cb/0x760
[  344.657339]  ? smp_reschedule_interrupt+0x109/0x650
[  344.662785]  ? smp_call_function_single_interrupt+0x650/0x650
[  344.668873]  ? interrupt_entry+0xb5/0xf0
[  344.673049]  ? trace_hardirqs_off_caller+0xbb/0x300
[  344.678087]  ? trace_hardirqs_off_caller+0xbb/0x300
[  344.683275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.688268]  ? trace_hardirqs_off+0x300/0x300
[  344.692878]  ? trace_hardirqs_off+0x300/0x300
[  344.697401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.703051]  ? check_preemption_disabled+0x48/0x200
[  344.708102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.713842]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.718761]  apic_timer_interrupt+0xf/0x20
[  344.723229]  </IRQ>
[  344.725697] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  344.730653] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  344.750179] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  344.758042] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  344.765515] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  344.772967] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  344.780444] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  344.787963] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  344.795490]  skb_clone+0x1bb/0x500
[  344.799254]  ? skb_split+0x11e0/0x11e0
[  344.803337]  ? preempt_notifier_register+0x200/0x200
[  344.808658]  ? __switch_to_asm+0x34/0x70
[  344.812968]  ? __switch_to_asm+0x34/0x70
[  344.817050]  ? __switch_to_asm+0x40/0x70
[  344.821270]  ? __switch_to_asm+0x34/0x70
[  344.825355]  ? __switch_to_asm+0x40/0x70
[  344.829522]  ? __switch_to_asm+0x40/0x70
[  344.833804]  ? __switch_to_asm+0x34/0x70
[  344.837893]  ? __switch_to_asm+0x34/0x70
[  344.841980]  ? __switch_to_asm+0x40/0x70
[  344.846165]  ? __switch_to_asm+0x34/0x70
[  344.850346]  bpf_clone_redirect+0xb9/0x490
[  344.854830]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  344.859968]  ? __sched_text_start+0x8/0x8
[  344.864144]  ? lockdep_hardirqs_on+0x421/0x5c0
[  344.868836]  ? retint_kernel+0x2d/0x2d
[  344.873009]  ? trace_hardirqs_on_caller+0xc0/0x300
[  344.877995]  ? find_held_lock+0x36/0x1c0
[  344.882385]  ? lock_acquire+0x1ed/0x520
[  344.886399]  ? bpf_test_run+0x32e/0x5a0
[  344.890637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.896425]  ? check_preemption_disabled+0x48/0x200
[  344.901541]  ? kasan_check_read+0x11/0x20
[  344.905760]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  344.911078]  ? rcu_bh_qs+0xc0/0xc0
[  344.914658]  ? preempt_schedule+0x4d/0x60
[  344.918991]  ? ___preempt_schedule+0x16/0x18
[  344.923624]  ? bpf_test_run+0x1c0/0x5a0
[  344.927817]  ? netlink_diag_dump+0x2a0/0x2a0
[  344.932437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.938117]  ? bpf_test_init.isra.9+0x70/0x100
[  344.943086]  ? bpf_prog_test_run_skb+0x634/0xb40
[  344.947884]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  344.952764]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.958423]  ? fput+0x130/0x1a0
[  344.961732]  ? __bpf_prog_get+0x9b/0x290
[  344.965922]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  344.971106]  ? bpf_prog_test_run+0x130/0x1a0
[  344.975576]  ? __x64_sys_bpf+0x3d8/0x510
[  344.979780]  ? bpf_prog_get+0x20/0x20
[  344.983609]  ? ksys_ioctl+0x81/0xd0
[  344.987288]  ? do_syscall_64+0x1b9/0x820
[  344.991542]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  344.997216]  ? syscall_return_slowpath+0x5e0/0x5e0
[  345.002178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.007179]  ? trace_hardirqs_off+0x300/0x300
[  345.011712]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  345.017051]  ? prepare_exit_to_usermode+0x291/0x3b0
[  345.022201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.027176]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  345.032682] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  345.032769] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  345.039651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  345.039657] Call Trace:
[  345.039682]  dump_stack+0x1c4/0x2b4
[  345.039697]  ? dump_stack_print_info.cold.2+0x52/0x52
[  345.039723]  warn_alloc.cold.118+0xb7/0x1bd
[  345.046404] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  345.055866]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  345.058534] syz-executor0 cpuset=
[  345.062260]  ? lock_downgrade+0x900/0x900
[  345.067456] syz0
[  345.072010]  ? trace_hardirqs_off+0xb8/0x300
[  345.082669]  mems_allowed=0
[  345.087587]  ? trace_hardirqs_off+0xb8/0x300
[  345.109239]  __alloc_pages_slowpath+0x2667/0x2d80
[  345.114145]  ? mark_held_locks+0x130/0x130
[  345.118498]  ? warn_alloc+0x120/0x120
[  345.122489]  ? warn_alloc+0x120/0x120
[  345.126409]  ? print_usage_bug+0xc0/0xc0
[  345.130703]  ? warn_alloc+0x120/0x120
[  345.134674]  ? print_usage_bug+0xc0/0xc0
[  345.138765]  ? __lock_acquire+0x7ec/0x4ec0
[  345.143266]  ? __lock_acquire+0x7ec/0x4ec0
[  345.147619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.153277]  ? should_fail+0x22d/0xd01
[  345.157282]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.162412]  ? __lock_acquire+0x7ec/0x4ec0
[  345.166678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.171898]  ? __lock_acquire+0x7ec/0x4ec0
[  345.176245]  ? should_fail+0x22d/0xd01
[  345.180160]  ? print_usage_bug+0xc0/0xc0
[  345.184349]  ? mark_held_locks+0x130/0x130
[  345.188705]  ? mark_held_locks+0x130/0x130
[  345.192975]  ? graph_lock+0x170/0x170
[  345.196801]  ? print_usage_bug+0xc0/0xc0
[  345.200971]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  345.205927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.211772]  ? check_preemption_disabled+0x48/0x200
[  345.216995]  ? check_preemption_disabled+0x48/0x200
[  345.222061]  ? __lock_is_held+0xb5/0x140
[  345.226330]  __alloc_pages_nodemask+0xa80/0xde0
[  345.231030]  ? graph_lock+0x170/0x170
[  345.234946]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  345.239991]  ? graph_lock+0x170/0x170
[  345.243833]  ? find_held_lock+0x36/0x1c0
[  345.247937]  ? ____cache_alloc_node+0x1c7/0x1e0
[  345.252853]  ? lock_downgrade+0x900/0x900
[  345.257129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.263055]  cache_grow_begin+0x91/0x8c0
[  345.267258]  ? do_raw_spin_unlock+0xa7/0x2f0
[  345.271708]  fallback_alloc+0x203/0x2e0
[  345.275820]  ____cache_alloc_node+0x1c7/0x1e0
[  345.280361]  kmem_cache_alloc_node+0xe3/0x730
[  345.284890]  ? ipv6_get_ifaddr+0x42e/0x620
[  345.289346]  __alloc_skb+0x119/0x770
[  345.293097]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  345.299035]  ? skb_scrub_packet+0x490/0x490
[  345.303505]  ? lock_downgrade+0x900/0x900
[  345.308316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.313982]  ? refcount_sub_and_test_checked+0x203/0x310
[  345.319492]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  345.325328]  ? addrconf_rs_timer+0x6f0/0x6f0
[  345.329804]  ndisc_alloc_skb+0x144/0x340
[  345.334253]  ndisc_send_rs+0x331/0x6e0
[  345.338266]  addrconf_rs_timer+0x3c0/0x6f0
[  345.342553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.346833]  call_timer_fn+0x272/0x920
[  345.350784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.355061]  ? process_timeout+0x40/0x40
[  345.359217]  ? find_held_lock+0x36/0x1c0
[  345.363416]  ? __run_timers+0x7da/0xc70
[  345.367535]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.372147]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.376849]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.381845]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  345.386550]  ? trace_hardirqs_on+0xbd/0x310
[  345.390900]  ? kasan_check_read+0x11/0x20
[  345.395169]  ? __run_timers+0x7da/0xc70
[  345.399172]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  345.404752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.409061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.413416]  __run_timers+0x7e5/0xc70
[  345.417263]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  345.422743]  ? compat_start_thread+0x80/0x80
[  345.428064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.433815]  ? _raw_spin_unlock_irq+0x60/0x80
[  345.438623]  ? finish_task_switch+0x1f5/0x900
[  345.443169]  ? finish_task_switch+0x1b5/0x900
[  345.447691]  ? __switch_to_asm+0x34/0x70
[  345.451876]  ? preempt_notifier_register+0x200/0x200
[  345.457007]  ? __switch_to_asm+0x34/0x70
[  345.461097]  ? __switch_to_asm+0x40/0x70
[  345.465180]  ? __switch_to_asm+0x34/0x70
[  345.469264]  ? __switch_to_asm+0x40/0x70
[  345.473404]  ? __switch_to_asm+0x34/0x70
[  345.477513]  ? __switch_to_asm+0x40/0x70
[  345.481801]  ? __switch_to_asm+0x40/0x70
[  345.485893]  ? pvclock_read_flags+0x160/0x160
[  345.490537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.496251]  ? check_preemption_disabled+0x48/0x200
[  345.501349]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  345.506918]  ? rcu_pm_notify+0xc0/0xc0
[  345.510837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.516520]  ? check_preemption_disabled+0x48/0x200
[  345.521732]  run_timer_softirq+0x52/0xb0
[  345.526056]  ? rcu_read_lock_sched_held+0x108/0x120
[  345.531123]  __do_softirq+0x30b/0xad8
[  345.535060]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  345.540240]  ? trace_hardirqs_off_caller+0x300/0x300
[  345.545496]  ? schedule+0x108/0x460
[  345.549154]  ? __schedule+0x1ed0/0x1ed0
[  345.553162]  ? trace_hardirqs_off+0xb8/0x300
[  345.557690]  ? ___might_sleep+0x1ed/0x300
[  345.562032]  ? smpboot_thread_fn+0x68b/0xa00
[  345.566494]  ? trace_hardirqs_on+0x310/0x310
[  345.571019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.576670]  ? check_preemption_disabled+0x48/0x200
[  345.581713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.587285]  ? takeover_tasklets+0xa90/0xa90
[  345.591722]  run_ksoftirqd+0x94/0x100
[  345.595550]  smpboot_thread_fn+0x68b/0xa00
[  345.599814]  ? sort_range+0x30/0x30
[  345.603500]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  345.608814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.614642]  ? __kthread_parkme+0xfb/0x1a0
[  345.618931]  kthread+0x35a/0x420
[  345.622364]  ? sort_range+0x30/0x30
[  345.626281]  ? kthread_bind+0x40/0x40
[  345.630111]  ret_from_fork+0x3a/0x50
[  345.633981] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  345.633986] warn_alloc_show_mem: 1 callbacks suppressed
[  345.633994] Mem-Info:
[  345.641561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  345.641572] Call Trace:
[  345.646968] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  345.646968]  active_file:28 inactive_file:21 isolated_file:0
[  345.646968]  unevictable:0 dirty:0 writeback:0 unstable:0
[  345.646968]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  345.646968]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  345.646968]  free:13666 free_pcp:197 free_cma:0
[  345.649362]  <IRQ>
[  345.659166] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  345.661769]  dump_stack+0x1c4/0x2b4
[  345.695566] Node 0 
[  345.697848]  ? dump_stack_print_info.cold.2+0x52/0x52
[  345.726043] 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
[  345.729676]  warn_alloc.cold.118+0xb7/0x1bd
[  345.731907] lowmem_reserve[]: 0
[  345.737120]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  345.763209]  2817
[  345.767657]  ? lock_downgrade+0x900/0x900
[  345.770913]  6321 6321
[  345.775871]  ? trace_hardirqs_off+0xb8/0x300
[  345.777943] Node 0 
[  345.782195]  ? trace_hardirqs_off+0xb8/0x300
[  345.784886] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  345.789450]  __alloc_pages_slowpath+0x2667/0x2d80
[  345.791735] lowmem_reserve[]: 0 0
[  345.796428]  ? warn_alloc+0x120/0x120
[  345.823359]  3503
[  345.828236]  ? warn_alloc+0x120/0x120
[  345.831848]  3503
[  345.835668]  ? print_usage_bug+0xc0/0xc0
[  345.837723] Node 0 
[  345.841726]  ? warn_alloc+0x120/0x120
[  345.843811] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  345.847988]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  345.850219] lowmem_reserve[]:
[  345.854131]  ? print_usage_bug+0xc0/0xc0
[  345.882766]  0
[  345.888030]  ? __lock_acquire+0x7ec/0x4ec0
[  345.891120]  0
[  345.895213]  ? __lock_acquire+0x7ec/0x4ec0
[  345.897006]  0
[  345.901651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.903582]  0
[  345.907832]  ? should_fail+0x22d/0xd01
[  345.915274]  ? __lock_acquire+0x7ec/0x4ec0
[  345.917157] Node 0 
[  345.921063]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.925289] DMA: 
[  345.927806]  ? __lock_acquire+0x7ec/0x4ec0
[  345.932903] 1*4kB 
[  345.934985]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.939544] (U) 
[  345.941711]  ? __lock_acquire+0x7ec/0x4ec0
[  345.946887] 0*8kB 0*16kB 
[  345.948889]  ? should_fail+0x22d/0xd01
[  345.953199] 1*32kB (U) 
[  345.955992]  ? mark_held_locks+0x130/0x130
[  345.960017] 2*64kB 
[  345.962616]  ? mark_held_locks+0x130/0x130
[  345.966838] (U) 1*128kB 
[  345.969197]  ? graph_lock+0x170/0x170
[  345.973423] (U) 
[  345.976182]  ? print_usage_bug+0xc0/0xc0
[  345.979970] 1*256kB (U) 
[  345.982056]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  345.986195] 0*512kB 
[  345.988882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.993699] 1*1024kB (U) 
[  345.996054]  ? check_preemption_disabled+0x48/0x200
[  346.001819] 1*2048kB 
[  346.004753]  ? check_preemption_disabled+0x48/0x200
[  346.009844] (M) 
[  346.012284]  ? __lock_is_held+0xb5/0x140
[  346.017274] 3*4096kB (M) 
[  346.019279]  __alloc_pages_nodemask+0xa80/0xde0
[  346.023322] = 15908kB
[  346.023331] Node 0 
[  346.026145]  ? graph_lock+0x170/0x170
[  346.030798] DMA32: 2*4kB 
[  346.033238]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  346.035498] (M) 
[  346.039406]  ? graph_lock+0x170/0x170
[  346.042174] 0*8kB 3*16kB 
[  346.047231]  ? find_held_lock+0x36/0x1c0
[  346.049213] (M) 
[  346.053112]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.056037] 2*32kB 
[  346.060146]  ? lock_downgrade+0x900/0x900
[  346.062115] (UM) 
[  346.066830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.069068] 2*64kB 
[  346.073547]  cache_grow_begin+0x91/0x8c0
[  346.075626] (M) 
[  346.081459]  ? do_raw_spin_unlock+0xa7/0x2f0
[  346.083837] 4*128kB 
[  346.088042]  fallback_alloc+0x203/0x2e0
[  346.090010] (UM) 
[  346.094639]  ____cache_alloc_node+0x1c7/0x1e0
[  346.096954] 2*256kB 
[  346.101108]  kmem_cache_alloc_node+0xe3/0x730
[  346.103160] (M) 
[  346.107758]  ? ipv6_get_ifaddr+0x42e/0x620
[  346.110242] 4*512kB (UM) 
[  346.114865]  __alloc_skb+0x119/0x770
[  346.116839] 3*1024kB 
[  346.121183]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  346.124091] (M) 
[  346.128004]  ? skb_scrub_packet+0x490/0x490
[  346.130515] 3*2048kB (UM) 
[  346.135973]  ? lock_downgrade+0x900/0x900
[  346.138083] 3*4096kB 
[  346.142436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.145346] (M) 
[  346.149559]  ? refcount_sub_and_test_checked+0x203/0x310
[  346.151956] = 24824kB
[  346.151965] Node 0 
[  346.157785]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  346.159942] Normal: 
[  346.165525]  ? addrconf_rs_timer+0x6f0/0x6f0
[  346.168135] 981*4kB 
[  346.170398]  ndisc_alloc_skb+0x144/0x340
[  346.175826] (UMEH) 
[  346.178239]  ndisc_send_rs+0x331/0x6e0
[  346.182644] 521*8kB 
[  346.185027]  addrconf_rs_timer+0x3c0/0x6f0
[  346.189229] (MEH) 
[  346.191520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.195498] 165*16kB 
[  346.197851]  call_timer_fn+0x272/0x920
[  346.202068] (UMEH) 
[  346.204360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.208710] 24*32kB (MEH) 
[  346.211340]  ? process_timeout+0x40/0x40
[  346.215788] 4*64kB (MH) 
[  346.218167]  ? find_held_lock+0x36/0x1c0
[  346.222500] 3*128kB 
[  346.225380]  ? __run_timers+0x7da/0xc70
[  346.229417] (UH) 1*256kB 
[  346.232121]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.236178] (U) 
[  346.238545]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.242536] 1*512kB 
[  346.245382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.249867] (U) 1*1024kB 
[  346.251872]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  346.256351] (H) 0*2048kB 
[  346.258779]  ? trace_hardirqs_on+0xbd/0x310
[  346.263009] 0*4096kB 
[  346.265927]  ? kasan_check_read+0x11/0x20
[  346.270537] = 13932kB
[  346.273448]  ? __run_timers+0x7da/0xc70
[  346.277769] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  346.280192]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  346.284343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  346.286786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.290833] 4507 total pagecache pages
[  346.299702]  __run_timers+0x7e5/0xc70
[  346.305155] 0 pages in swap cache
[  346.313887]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  346.318110] Swap cache stats: add 0, delete 0, find 0/0
[  346.318120] Free swap  = 0kB
[  346.322071]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  346.325954] Total swap = 0kB
[  346.329541]  ? graph_lock+0x170/0x170
[  346.334904] 1965979 pages RAM
[  346.340385]  ? enqueue_hrtimer+0x1a5/0x560
[  346.343530] 0 pages HighMem/MovableOnly
[  346.343539] 342744 pages reserved
[  346.348744]  ? lock_release+0x970/0x970
[  346.351753] 0 pages cma reserved
[  346.355575]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  346.358760] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  346.362928]  ? find_held_lock+0x36/0x1c0
[  346.367115] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.370556]  ? graph_lock+0x170/0x170
[  346.374619] ksoftirqd/1 cpuset=
[  346.378010]  ? pvclock_read_flags+0x160/0x160
[  346.383288] /
[  346.389994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.394139]  mems_allowed=0
[  346.404597]  ? check_preemption_disabled+0x48/0x200
[  346.431840]  ? __lock_is_held+0xb5/0x140
[  346.436019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.441781]  ? check_preemption_disabled+0x48/0x200
[  346.446965]  run_timer_softirq+0x52/0xb0
[  346.451169]  ? rcu_read_lock_sched_held+0x108/0x120
[  346.456315]  __do_softirq+0x30b/0xad8
[  346.460244]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  346.465390]  ? pvclock_read_flags+0x160/0x160
[  346.469919]  ? lapic_next_event+0x5a/0x90
[  346.474161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.479818]  ? check_preemption_disabled+0x48/0x200
[  346.485135]  ? check_preemption_disabled+0x48/0x200
[  346.490638]  ? kvm_clock_read+0x18/0x30
[  346.494650]  ? kvm_sched_clock_read+0x9/0x20
[  346.499170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.504758]  ? check_preemption_disabled+0x48/0x200
[  346.510005]  irq_exit+0x17f/0x1c0
[  346.513589]  smp_apic_timer_interrupt+0x1cb/0x760
[  346.518631]  ? smp_reschedule_interrupt+0x109/0x650
[  346.523872]  ? smp_call_function_single_interrupt+0x650/0x650
[  346.529859]  ? interrupt_entry+0xb5/0xf0
[  346.534146]  ? trace_hardirqs_off_caller+0xbb/0x300
[  346.539548]  ? trace_hardirqs_off_caller+0xbb/0x300
[  346.544691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.549698]  ? trace_hardirqs_off+0x300/0x300
[  346.554316]  ? trace_hardirqs_off+0x300/0x300
[  346.559031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.564706]  ? check_preemption_disabled+0x48/0x200
[  346.570288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.576033]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.581020]  apic_timer_interrupt+0xf/0x20
[  346.585326]  </IRQ>
[  346.587604] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  346.592568] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  346.611774] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  346.619811] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  346.627109] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  346.634544] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  346.641935] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  346.649544] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  346.656900]  skb_clone+0x1bb/0x500
[  346.660499]  ? skb_split+0x11e0/0x11e0
[  346.664695]  ? preempt_notifier_register+0x200/0x200
[  346.669828]  ? __switch_to_asm+0x34/0x70
[  346.673922]  ? __switch_to_asm+0x34/0x70
[  346.678015]  ? __switch_to_asm+0x40/0x70
[  346.682107]  ? __switch_to_asm+0x34/0x70
[  346.686196]  ? __switch_to_asm+0x40/0x70
[  346.690378]  ? __switch_to_asm+0x40/0x70
[  346.694497]  ? __switch_to_asm+0x34/0x70
[  346.698680]  ? __switch_to_asm+0x34/0x70
[  346.702793]  ? __switch_to_asm+0x40/0x70
[  346.707056]  ? __switch_to_asm+0x34/0x70
[  346.711160]  bpf_clone_redirect+0xb9/0x490
[  346.715438]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  346.720695]  ? __sched_text_start+0x8/0x8
[  346.724878]  ? lockdep_hardirqs_on+0x421/0x5c0
[  346.729515]  ? retint_kernel+0x2d/0x2d
[  346.733456]  ? trace_hardirqs_on_caller+0xc0/0x300
[  346.738456]  ? find_held_lock+0x36/0x1c0
[  346.742800]  ? lock_acquire+0x1ed/0x520
[  346.747003]  ? bpf_test_run+0x32e/0x5a0
[  346.751191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.756879]  ? check_preemption_disabled+0x48/0x200
[  346.762036]  ? kasan_check_read+0x11/0x20
[  346.766515]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  346.772390]  ? rcu_bh_qs+0xc0/0xc0
[  346.776205]  ? preempt_schedule+0x4d/0x60
[  346.780404]  ? ___preempt_schedule+0x16/0x18
[  346.784856]  ? bpf_test_run+0x1c0/0x5a0
[  346.788882]  ? netlink_diag_dump+0x2a0/0x2a0
[  346.793680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.799540]  ? bpf_test_init.isra.9+0x70/0x100
[  346.804154]  ? bpf_prog_test_run_skb+0x634/0xb40
[  346.809041]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  346.813907]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  346.819508]  ? fput+0x130/0x1a0
[  346.822821]  ? __bpf_prog_get+0x9b/0x290
[  346.827020]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  346.832012]  ? bpf_prog_test_run+0x130/0x1a0
[  346.836691]  ? __x64_sys_bpf+0x3d8/0x510
[  346.840871]  ? bpf_prog_get+0x20/0x20
[  346.844702]  ? ksys_ioctl+0x81/0xd0
[  346.848364]  ? do_syscall_64+0x1b9/0x820
[  346.852450]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  346.857925]  ? syscall_return_slowpath+0x5e0/0x5e0
[  346.862880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.867919]  ? trace_hardirqs_off+0x300/0x300
[  346.872496]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  346.877623]  ? prepare_exit_to_usermode+0x291/0x3b0
[  346.882811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.887875]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  346.893283] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  346.893366] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  346.900148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.900154] Call Trace:
[  346.900176]  dump_stack+0x1c4/0x2b4
[  346.900192]  ? dump_stack_print_info.cold.2+0x52/0x52
[  346.900220]  warn_alloc.cold.118+0xb7/0x1bd
[  346.906912] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.916197]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.918777] syz-executor0 cpuset=
[  346.922422]  ? lock_downgrade+0x900/0x900
[  346.927780] syz0
[  346.932217]  ? trace_hardirqs_off+0xb8/0x300
[  346.942791]  mems_allowed=0
[  346.947788]  ? trace_hardirqs_off+0xb8/0x300
[  346.970019]  __alloc_pages_slowpath+0x2667/0x2d80
[  346.975045]  ? mark_held_locks+0x130/0x130
[  346.979317]  ? warn_alloc+0x120/0x120
[  346.983277]  ? warn_alloc+0x120/0x120
[  346.987112]  ? print_usage_bug+0xc0/0xc0
[  346.991274]  ? warn_alloc+0x120/0x120
[  346.995103]  ? print_usage_bug+0xc0/0xc0
[  346.999290]  ? __lock_acquire+0x7ec/0x4ec0
[  347.003572]  ? __lock_acquire+0x7ec/0x4ec0
[  347.008009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.013576]  ? should_fail+0x22d/0xd01
[  347.017585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.022718]  ? __lock_acquire+0x7ec/0x4ec0
[  347.027084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.032217]  ? __lock_acquire+0x7ec/0x4ec0
[  347.036658]  ? should_fail+0x22d/0xd01
[  347.040656]  ? print_usage_bug+0xc0/0xc0
[  347.044913]  ? mark_held_locks+0x130/0x130
[  347.049181]  ? mark_held_locks+0x130/0x130
[  347.053625]  ? graph_lock+0x170/0x170
[  347.057519]  ? print_usage_bug+0xc0/0xc0
[  347.061946]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.066731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.072302]  ? check_preemption_disabled+0x48/0x200
[  347.077419]  ? check_preemption_disabled+0x48/0x200
[  347.082716]  ? __lock_is_held+0xb5/0x140
[  347.086905]  __alloc_pages_nodemask+0xa80/0xde0
[  347.091826]  ? graph_lock+0x170/0x170
[  347.095783]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  347.101007]  ? graph_lock+0x170/0x170
[  347.105126]  ? find_held_lock+0x36/0x1c0
[  347.109310]  ? ____cache_alloc_node+0x1c7/0x1e0
[  347.114033]  ? lock_downgrade+0x900/0x900
[  347.118356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.124050]  cache_grow_begin+0x91/0x8c0
[  347.128176]  ? do_raw_spin_unlock+0xa7/0x2f0
[  347.132692]  fallback_alloc+0x203/0x2e0
[  347.136706]  ____cache_alloc_node+0x1c7/0x1e0
[  347.141242]  kmem_cache_alloc_node+0xe3/0x730
[  347.145776]  ? ipv6_get_ifaddr+0x42e/0x620
[  347.150207]  __alloc_skb+0x119/0x770
[  347.153959]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  347.159382]  ? skb_scrub_packet+0x490/0x490
[  347.163940]  ? lock_downgrade+0x900/0x900
[  347.168242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.173811]  ? refcount_sub_and_test_checked+0x203/0x310
[  347.179496]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  347.184978]  ? addrconf_rs_timer+0x6f0/0x6f0
[  347.189547]  ndisc_alloc_skb+0x144/0x340
[  347.193817]  ndisc_send_rs+0x331/0x6e0
[  347.197761]  addrconf_rs_timer+0x3c0/0x6f0
[  347.202323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.206604]  call_timer_fn+0x272/0x920
[  347.210556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.214822]  ? process_timeout+0x40/0x40
[  347.218992]  ? find_held_lock+0x36/0x1c0
[  347.223091]  ? __run_timers+0x7da/0xc70
[  347.227181]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.231871]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.236397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.240764]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  347.245563]  ? trace_hardirqs_on+0xbd/0x310
[  347.250039]  ? kasan_check_read+0x11/0x20
[  347.254335]  ? __run_timers+0x7da/0xc70
[  347.258339]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  347.263859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.268217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.272512]  __run_timers+0x7e5/0xc70
[  347.276373]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  347.281874]  ? compat_start_thread+0x80/0x80
[  347.286319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.291900]  ? _raw_spin_unlock_irq+0x60/0x80
[  347.296995]  ? finish_task_switch+0x1f5/0x900
[  347.301709]  ? finish_task_switch+0x1b5/0x900
[  347.306241]  ? __switch_to_asm+0x34/0x70
[  347.310336]  ? preempt_notifier_register+0x200/0x200
[  347.315498]  ? __switch_to_asm+0x34/0x70
[  347.319660]  ? __switch_to_asm+0x40/0x70
[  347.323763]  ? __switch_to_asm+0x34/0x70
[  347.327936]  ? __switch_to_asm+0x40/0x70
[  347.332027]  ? __switch_to_asm+0x34/0x70
[  347.336202]  ? __switch_to_asm+0x40/0x70
[  347.340516]  ? __switch_to_asm+0x40/0x70
[  347.344613]  ? pvclock_read_flags+0x160/0x160
[  347.349226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.354838]  ? check_preemption_disabled+0x48/0x200
[  347.359925]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  347.365338]  ? rcu_pm_notify+0xc0/0xc0
[  347.369357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.375113]  ? check_preemption_disabled+0x48/0x200
[  347.380227]  run_timer_softirq+0x52/0xb0
[  347.384853]  ? rcu_read_lock_sched_held+0x108/0x120
[  347.390028]  __do_softirq+0x30b/0xad8
[  347.393888]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  347.399203]  ? trace_hardirqs_off_caller+0x300/0x300
[  347.404357]  ? schedule+0x108/0x460
[  347.408310]  ? __schedule+0x1ed0/0x1ed0
[  347.412593]  ? trace_hardirqs_off+0xb8/0x300
[  347.417125]  ? ___might_sleep+0x1ed/0x300
[  347.421389]  ? smpboot_thread_fn+0x68b/0xa00
[  347.426020]  ? trace_hardirqs_on+0x310/0x310
[  347.431390]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.437300]  ? check_preemption_disabled+0x48/0x200
[  347.442357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.447936]  ? takeover_tasklets+0xa90/0xa90
[  347.452386]  run_ksoftirqd+0x94/0x100
[  347.456221]  smpboot_thread_fn+0x68b/0xa00
[  347.460675]  ? sort_range+0x30/0x30
[  347.464335]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  347.469498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.475255]  ? __kthread_parkme+0xfb/0x1a0
[  347.479705]  kthread+0x35a/0x420
[  347.483106]  ? sort_range+0x30/0x30
[  347.486804]  ? kthread_bind+0x40/0x40
[  347.490810]  ret_from_fork+0x3a/0x50
[  347.494565] warn_alloc_show_mem: 1 callbacks suppressed
[  347.494578] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  347.494580] Mem-Info:
[  347.494612] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  347.494612]  active_file:28 inactive_file:21 isolated_file:0
[  347.494612]  unevictable:0 dirty:0 writeback:0 unstable:0
[  347.494612]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  347.494612]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  347.494612]  free:13666 free_pcp:197 free_cma:0
[  347.500149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  347.500159] Call Trace:
[  347.507840] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  347.510266]  <IRQ>
[  347.543425] Node 0 
[  347.553006]  dump_stack+0x1c4/0x2b4
[  347.555620] 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
[  347.584734]  ? dump_stack_print_info.cold.2+0x52/0x52
[  347.586926] lowmem_reserve[]: 0
[  347.589222]  warn_alloc.cold.118+0xb7/0x1bd
[  347.592829]  2817 6321
[  347.618727]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  347.623949]  6321
[  347.627254]  ? lock_downgrade+0x900/0x900
[  347.634270]  ? trace_hardirqs_off+0xb8/0x300
[  347.639104] Node 0 
[  347.641195]  ? trace_hardirqs_off+0xb8/0x300
[  347.645371] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  347.649866]  __alloc_pages_slowpath+0x2667/0x2d80
[  347.652091] lowmem_reserve[]:
[  347.656633]  ? warn_alloc+0x120/0x120
[  347.683551]  0 0
[  347.688719]  ? trace_hardirqs_on+0x310/0x310
[  347.691817]  3503
[  347.695634]  ? warn_alloc+0x120/0x120
[  347.697604]  3503
[  347.702202]  ? print_usage_bug+0xc0/0xc0
[  347.708144]  ? warn_alloc+0x120/0x120
[  347.710199] Node 0 
[  347.714351]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  347.718246] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  347.720495]  ? print_usage_bug+0xc0/0xc0
[  347.725526] lowmem_reserve[]:
[  347.754346]  ? __lock_acquire+0x7ec/0x4ec0
[  347.758545]  0
[  347.761883]  ? __lock_acquire+0x7ec/0x4ec0
[  347.766324]  0
[  347.768233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.772639]  0
[  347.774456]  ? should_fail+0x22d/0xd01
[  347.780113]  0
[  347.781933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.785896] Node 0 
[  347.787717]  ? __lock_acquire+0x7ec/0x4ec0
[  347.792810] DMA: 
[  347.795065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.799289] 1*4kB 
[  347.801367]  ? __lock_acquire+0x7ec/0x4ec0
[  347.806455] (U) 0*8kB 
[  347.808662]  ? should_fail+0x22d/0xd01
[  347.812887] 0*16kB 
[  347.815417]  ? print_usage_bug+0xc0/0xc0
[  347.819377] 1*32kB (U) 
[  347.821641]  ? mark_held_locks+0x130/0x130
[  347.825771] 2*64kB (U) 
[  347.828380]  ? mark_held_locks+0x130/0x130
[  347.832703] 1*128kB (U) 
[  347.835319]  ? graph_lock+0x170/0x170
[  347.839549] 1*256kB 
[  347.842242]  ? print_usage_bug+0xc0/0xc0
[  347.846139] (U) 
[  347.848512]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.852668] 0*512kB 1*1024kB 
[  347.854678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.859536] (U) 
[  347.862748]  ? check_preemption_disabled+0x48/0x200
[  347.868366] 1*2048kB 
[  347.870578]  ? check_preemption_disabled+0x48/0x200
[  347.875687] (M) 
[  347.878132]  ? __lock_is_held+0xb5/0x140
[  347.883394] 3*4096kB (M) 
[  347.885550]  __alloc_pages_nodemask+0xa80/0xde0
[  347.889588] = 15908kB
[  347.889598] Node 0 
[  347.892379]  ? graph_lock+0x170/0x170
[  347.897170] DMA32: 
[  347.899791]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  347.902017] 2*4kB 
[  347.905841]  ? graph_lock+0x170/0x170
[  347.908070] (M) 
[  347.913118]  ? find_held_lock+0x36/0x1c0
[  347.915421] 0*8kB 
[  347.919256]  ? ____cache_alloc_node+0x1c7/0x1e0
[  347.921221] 3*16kB (M) 
[  347.925388]  ? lock_downgrade+0x900/0x900
[  347.927648] 2*32kB 
[  347.932432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.935009] (UM) 
[  347.939276]  cache_grow_begin+0x91/0x8c0
[  347.941691] 2*64kB (M) 
[  347.947356]  ? do_raw_spin_unlock+0xa7/0x2f0
[  347.949420] 4*128kB 
[  347.953534]  fallback_alloc+0x203/0x2e0
[  347.956108] (UM) 
[  347.960633]  ____cache_alloc_node+0x1c7/0x1e0
[  347.963012] 2*256kB (M) 
[  347.967136]  kmem_cache_alloc_node+0xe3/0x730
[  347.969186] 4*512kB (UM) 
[  347.973725]  ? ipv6_get_ifaddr+0x42e/0x620
[  347.976387] 3*1024kB (M) 
[  347.981015]  __alloc_skb+0x119/0x770
[  347.983943] 3*2048kB 
[  347.988205]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  347.990962] (UM) 
[  347.994702]  ? skb_scrub_packet+0x490/0x490
[  347.997106] 3*4096kB 
[  348.002687]  ? lock_downgrade+0x900/0x900
[  348.004743] (M) = 24824kB
[  348.009113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.011607] Node 0 
[  348.015788]  ? refcount_sub_and_test_checked+0x203/0x310
[  348.018546] Normal: 
[  348.024122]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  348.026578] 981*4kB 
[  348.032057]  ? addrconf_rs_timer+0x6f0/0x6f0
[  348.034397] (UMEH) 521*8kB 
[  348.039992]  ndisc_alloc_skb+0x144/0x340
[  348.042301] (MEH) 
[  348.046837]  ndisc_send_rs+0x331/0x6e0
[  348.049839] 165*16kB (UMEH) 
[  348.053939]  addrconf_rs_timer+0x3c0/0x6f0
[  348.056073] 24*32kB (MEH) 
[  348.059994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.062996] 4*64kB (MH) 
[  348.067426]  call_timer_fn+0x272/0x920
[  348.070250] 3*128kB (UH) 
[  348.074669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.077332] 1*256kB (U) 
[  348.081249]  ? process_timeout+0x40/0x40
[  348.083998] 1*512kB (U) 
[  348.088354]  ? find_held_lock+0x36/0x1c0
[  348.088380]  ? __run_timers+0x7da/0xc70
[  348.091053] 1*1024kB (H) 
[  348.095161]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.097819] 0*2048kB 0*4096kB 
[  348.101993]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.105961] = 13932kB
[  348.108743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.113240] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  348.116589]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  348.121204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  348.123711]  ? trace_hardirqs_on+0xbd/0x310
[  348.128042] 4507 total pagecache pages
[  348.137028]  ? kasan_check_read+0x11/0x20
[  348.141612] 0 pages in swap cache
[  348.150460]  ? __run_timers+0x7da/0xc70
[  348.154921] Swap cache stats: add 0, delete 0, find 0/0
[  348.154932] Free swap  = 0kB
[  348.159038]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  348.163268] Total swap = 0kB
[  348.163277] 1965979 pages RAM
[  348.166762]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.170812] 0 pages HighMem/MovableOnly
[  348.176206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.179212] 342744 pages reserved
[  348.184948]  __run_timers+0x7e5/0xc70
[  348.187956] 0 pages cma reserved
[  348.191107]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  348.195414] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  348.199336]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  348.199350]  ? graph_lock+0x170/0x170
[  348.199365]  ? enqueue_hrtimer+0x1a5/0x560
[  348.199376]  ? lock_release+0x970/0x970
[  348.199394]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  348.203704] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.207113]  ? find_held_lock+0x36/0x1c0
[  348.210903] ksoftirqd/1 cpuset=
[  348.214291]  ? graph_lock+0x170/0x170
[  348.219646] /
[  348.226265]  ? pvclock_read_flags+0x160/0x160
[  348.231287]  mems_allowed=0
[  348.235181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.285846]  ? check_preemption_disabled+0x48/0x200
[  348.291005]  ? __lock_is_held+0xb5/0x140
[  348.295131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.300806]  ? check_preemption_disabled+0x48/0x200
[  348.306050]  run_timer_softirq+0x52/0xb0
[  348.310142]  ? rcu_read_lock_sched_held+0x108/0x120
[  348.315194]  __do_softirq+0x30b/0xad8
[  348.319155]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  348.324399]  ? pvclock_read_flags+0x160/0x160
[  348.328918]  ? lapic_next_event+0x5a/0x90
[  348.333266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.339281]  ? check_preemption_disabled+0x48/0x200
[  348.344404]  ? check_preemption_disabled+0x48/0x200
[  348.349550]  ? kvm_clock_read+0x18/0x30
[  348.353616]  ? kvm_sched_clock_read+0x9/0x20
[  348.358053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.363711]  ? check_preemption_disabled+0x48/0x200
[  348.368949]  irq_exit+0x17f/0x1c0
[  348.372543]  smp_apic_timer_interrupt+0x1cb/0x760
[  348.377550]  ? smp_reschedule_interrupt+0x109/0x650
[  348.382850]  ? smp_call_function_single_interrupt+0x650/0x650
[  348.388857]  ? interrupt_entry+0xb5/0xf0
[  348.393039]  ? trace_hardirqs_off_caller+0xbb/0x300
[  348.398087]  ? trace_hardirqs_off_caller+0xbb/0x300
[  348.403210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.408261]  ? trace_hardirqs_off+0x300/0x300
[  348.412804]  ? trace_hardirqs_off+0x300/0x300
[  348.417399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.423001]  ? check_preemption_disabled+0x48/0x200
[  348.428136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.433787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.438765]  apic_timer_interrupt+0xf/0x20
[  348.443105]  </IRQ>
[  348.445560] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  348.450694] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  348.470033] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  348.478045] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  348.485346] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  348.492642] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  348.499936] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  348.507497] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  348.515045]  skb_clone+0x1bb/0x500
[  348.518618]  ? skb_split+0x11e0/0x11e0
[  348.522622]  ? preempt_notifier_register+0x200/0x200
[  348.527760]  ? __switch_to_asm+0x34/0x70
[  348.531941]  ? __switch_to_asm+0x34/0x70
[  348.536119]  ? __switch_to_asm+0x40/0x70
[  348.540437]  ? __switch_to_asm+0x34/0x70
[  348.544561]  ? __switch_to_asm+0x40/0x70
[  348.548866]  ? __switch_to_asm+0x40/0x70
[  348.552953]  ? __switch_to_asm+0x34/0x70
[  348.557133]  ? __switch_to_asm+0x34/0x70
[  348.561333]  ? __switch_to_asm+0x40/0x70
[  348.565530]  ? __switch_to_asm+0x34/0x70
[  348.569631]  bpf_clone_redirect+0xb9/0x490
[  348.573938]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  348.579073]  ? __sched_text_start+0x8/0x8
[  348.583493]  ? lockdep_hardirqs_on+0x421/0x5c0
[  348.588263]  ? retint_kernel+0x2d/0x2d
[  348.592180]  ? trace_hardirqs_on_caller+0xc0/0x300
[  348.597303]  ? find_held_lock+0x36/0x1c0
[  348.601412]  ? lock_acquire+0x1ed/0x520
[  348.605531]  ? bpf_test_run+0x32e/0x5a0
[  348.609620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.615364]  ? check_preemption_disabled+0x48/0x200
[  348.620425]  ? kasan_check_read+0x11/0x20
[  348.624688]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  348.630075]  ? rcu_bh_qs+0xc0/0xc0
[  348.633885]  ? preempt_schedule+0x4d/0x60
[  348.638146]  ? ___preempt_schedule+0x16/0x18
[  348.642752]  ? bpf_test_run+0x1c0/0x5a0
[  348.646769]  ? netlink_diag_dump+0x2a0/0x2a0
[  348.651297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.656954]  ? bpf_test_init.isra.9+0x70/0x100
[  348.661570]  ? bpf_prog_test_run_skb+0x634/0xb40
[  348.666368]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  348.671278]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  348.676843]  ? fput+0x130/0x1a0
[  348.680200]  ? __bpf_prog_get+0x9b/0x290
[  348.684305]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  348.689177]  ? bpf_prog_test_run+0x130/0x1a0
[  348.693613]  ? __x64_sys_bpf+0x3d8/0x510
[  348.697700]  ? bpf_prog_get+0x20/0x20
[  348.701627]  ? ksys_ioctl+0x81/0xd0
[  348.705618]  ? do_syscall_64+0x1b9/0x820
[  348.709705]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  348.715213]  ? syscall_return_slowpath+0x5e0/0x5e0
[  348.720416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.725285]  ? trace_hardirqs_off+0x300/0x300
[  348.729961]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  348.735006]  ? prepare_exit_to_usermode+0x291/0x3b0
[  348.740141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.745201]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  348.750611] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  348.750695] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  348.757571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.757577] Call Trace:
[  348.757601]  dump_stack+0x1c4/0x2b4
[  348.757616]  ? dump_stack_print_info.cold.2+0x52/0x52
[  348.757642]  warn_alloc.cold.118+0xb7/0x1bd
[  348.764387] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.773707]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.776283] syz-executor0 cpuset=
[  348.780069]  ? lock_downgrade+0x900/0x900
[  348.785254] syz0
[  348.789607]  ? trace_hardirqs_off+0xb8/0x300
[  348.800359]  mems_allowed=0
[  348.805256]  ? trace_hardirqs_off+0xb8/0x300
[  348.827043]  __alloc_pages_slowpath+0x2667/0x2d80
[  348.831954]  ? mark_held_locks+0x130/0x130
[  348.836419]  ? warn_alloc+0x120/0x120
[  348.840263]  ? warn_alloc+0x120/0x120
[  348.844133]  ? print_usage_bug+0xc0/0xc0
[  348.848313]  ? warn_alloc+0x120/0x120
[  348.852151]  ? print_usage_bug+0xc0/0xc0
[  348.856338]  ? __lock_acquire+0x7ec/0x4ec0
[  348.860698]  ? __lock_acquire+0x7ec/0x4ec0
[  348.864983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.870562]  ? should_fail+0x22d/0xd01
[  348.874521]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.879823]  ? __lock_acquire+0x7ec/0x4ec0
[  348.884184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.889314]  ? __lock_acquire+0x7ec/0x4ec0
[  348.893599]  ? should_fail+0x22d/0xd01
[  348.897546]  ? mark_held_locks+0x130/0x130
[  348.901984]  ? mark_held_locks+0x130/0x130
[  348.906250]  ? graph_lock+0x170/0x170
[  348.910097]  ? graph_lock+0x170/0x170
[  348.913936]  ? graph_lock+0x170/0x170
[  348.917777]  ? print_usage_bug+0xc0/0xc0
[  348.921867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.927550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.933413]  ? check_preemption_disabled+0x48/0x200
[  348.938638]  ? check_preemption_disabled+0x48/0x200
[  348.943699]  ? __lock_is_held+0xb5/0x140
[  348.947809]  __alloc_pages_nodemask+0xa80/0xde0
[  348.952881]  ? graph_lock+0x170/0x170
[  348.956718]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  348.961801]  ? graph_lock+0x170/0x170
[  348.965783]  ? find_held_lock+0x36/0x1c0
[  348.970024]  ? ____cache_alloc_node+0x1c7/0x1e0
[  348.974726]  ? lock_downgrade+0x900/0x900
[  348.978923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.984591]  cache_grow_begin+0x91/0x8c0
[  348.988690]  ? do_raw_spin_unlock+0xa7/0x2f0
[  348.993514]  fallback_alloc+0x203/0x2e0
[  348.997573]  ____cache_alloc_node+0x1c7/0x1e0
[  349.002105]  kmem_cache_alloc_node+0xe3/0x730
[  349.006825]  ? ipv6_get_ifaddr+0x42e/0x620
[  349.011502]  __alloc_skb+0x119/0x770
[  349.015334]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  349.020647]  ? skb_scrub_packet+0x490/0x490
[  349.025129]  ? lock_downgrade+0x900/0x900
[  349.029317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.035033]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.040607]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.046105]  ? addrconf_rs_timer+0x6f0/0x6f0
[  349.050658]  ndisc_alloc_skb+0x144/0x340
[  349.054796]  ndisc_send_rs+0x331/0x6e0
[  349.058735]  addrconf_rs_timer+0x3c0/0x6f0
[  349.063019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.067306]  call_timer_fn+0x272/0x920
[  349.071241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.075545]  ? process_timeout+0x40/0x40
[  349.079645]  ? find_held_lock+0x36/0x1c0
[  349.083763]  ? __run_timers+0x7da/0xc70
[  349.088294]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.093199]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.097915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.102368]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  349.107049]  ? trace_hardirqs_on+0xbd/0x310
[  349.111521]  ? kasan_check_read+0x11/0x20
[  349.115876]  ? __run_timers+0x7da/0xc70
[  349.119886]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  349.125492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.129835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.134177]  __run_timers+0x7e5/0xc70
[  349.138184]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  349.143649]  ? compat_start_thread+0x80/0x80
[  349.148094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.153672]  ? _raw_spin_unlock_irq+0x60/0x80
[  349.158275]  ? finish_task_switch+0x1f5/0x900
[  349.162991]  ? finish_task_switch+0x1b5/0x900
[  349.167553]  ? __switch_to_asm+0x34/0x70
[  349.171672]  ? preempt_notifier_register+0x200/0x200
[  349.176984]  ? __switch_to_asm+0x34/0x70
[  349.181152]  ? __switch_to_asm+0x40/0x70
[  349.185250]  ? __switch_to_asm+0x34/0x70
[  349.189557]  ? __switch_to_asm+0x40/0x70
[  349.193736]  ? __switch_to_asm+0x34/0x70
[  349.197917]  ? __switch_to_asm+0x40/0x70
[  349.202782]  ? __switch_to_asm+0x40/0x70
[  349.206885]  ? pvclock_read_flags+0x160/0x160
[  349.211616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.217186]  ? check_preemption_disabled+0x48/0x200
[  349.222378]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  349.227698]  ? rcu_pm_notify+0xc0/0xc0
[  349.231712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.237291]  ? check_preemption_disabled+0x48/0x200
[  349.242354]  run_timer_softirq+0x52/0xb0
[  349.246697]  ? rcu_read_lock_sched_held+0x108/0x120
[  349.251751]  __do_softirq+0x30b/0xad8
[  349.255602]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  349.260825]  ? trace_hardirqs_off_caller+0x300/0x300
[  349.266059]  ? schedule+0x108/0x460
[  349.269712]  ? __schedule+0x1ed0/0x1ed0
[  349.273718]  ? trace_hardirqs_off+0xb8/0x300
[  349.278333]  ? ___might_sleep+0x1ed/0x300
[  349.282530]  ? smpboot_thread_fn+0x68b/0xa00
[  349.286991]  ? trace_hardirqs_on+0x310/0x310
[  349.291609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.297796]  ? check_preemption_disabled+0x48/0x200
[  349.302848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.308457]  ? takeover_tasklets+0xa90/0xa90
[  349.312949]  run_ksoftirqd+0x94/0x100
[  349.316869]  smpboot_thread_fn+0x68b/0xa00
[  349.321137]  ? sort_range+0x30/0x30
[  349.324793]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  349.329925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.335518]  ? __kthread_parkme+0xfb/0x1a0
[  349.339822]  kthread+0x35a/0x420
[  349.343221]  ? sort_range+0x30/0x30
[  349.347036]  ? kthread_bind+0x40/0x40
[  349.350874]  ret_from_fork+0x3a/0x50
[  349.354706] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  349.354712] warn_alloc_show_mem: 1 callbacks suppressed
[  349.354720] Mem-Info:
[  349.362193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  349.362204] Call Trace:
[  349.367731] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  349.367731]  active_file:28 inactive_file:21 isolated_file:0
[  349.367731]  unevictable:0 dirty:0 writeback:0 unstable:0
[  349.367731]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  349.367731]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  349.367731]  free:13666 free_pcp:197 free_cma:0
[  349.370127]  <IRQ>
[  349.379546] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  349.382150]  dump_stack+0x1c4/0x2b4
[  349.415666] Node 0 
[  349.417853]  ? dump_stack_print_info.cold.2+0x52/0x52
[  349.447143] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  349.450798]  warn_alloc.cold.118+0xb7/0x1bd
[  349.453031] lowmem_reserve[]: 0
[  349.458551]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  349.484298]  2817
[  349.488779]  ? lock_downgrade+0x900/0x900
[  349.492134]  6321
[  349.497006]  ? trace_hardirqs_off+0xb8/0x300
[  349.499066]  6321
[  349.503262]  ? trace_hardirqs_off+0xb8/0x300
[  349.505318] Node 0 
[  349.509760]  __alloc_pages_slowpath+0x2667/0x2d80
[  349.511832] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  349.516258]  ? warn_alloc+0x120/0x120
[  349.518495] lowmem_reserve[]:
[  349.523456]  ? warn_alloc+0x120/0x120
[  349.550725]  0
[  349.554571]  ? print_usage_bug+0xc0/0xc0
[  349.557661]  0
[  349.561508]  ? warn_alloc+0x120/0x120
[  349.563301]  3503
[  349.567495]  ? print_usage_bug+0xc0/0xc0
[  349.569288]  3503
[  349.573278]  ? __lock_acquire+0x7ec/0x4ec0
[  349.575432] Node 0 
[  349.579539]  ? __lock_acquire+0x7ec/0x4ec0
[  349.581694] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  349.585947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.588177] lowmem_reserve[]:
[  349.592543]  ? should_fail+0x22d/0xd01
[  349.621345]  0
[  349.627025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.630184]  0
[  349.634270]  ? __lock_acquire+0x7ec/0x4ec0
[  349.636061]  0
[  349.641274]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.643144]  0
[  349.647391]  ? __lock_acquire+0x7ec/0x4ec0
[  349.647408]  ? should_fail+0x22d/0xd01
[  349.649224] Node 0 
[  349.654620]  ? mark_held_locks+0x130/0x130
[  349.656423] DMA: 
[  349.660679]  ? mark_held_locks+0x130/0x130
[  349.664635] 1*4kB 
[  349.667065]  ? graph_lock+0x170/0x170
[  349.671419] (U) 
[  349.673529]  ? graph_lock+0x170/0x170
[  349.677915] 0*8kB 0*16kB 
[  349.680284]  ? graph_lock+0x170/0x170
[  349.684161] 1*32kB 
[  349.686264]  ? print_usage_bug+0xc0/0xc0
[  349.690057] (U) 
[  349.692835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.696622] 2*64kB (U) 
[  349.698889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.703031] 1*128kB 
[  349.705030]  ? check_preemption_disabled+0x48/0x200
[  349.710632] (U) 
[  349.713245]  ? check_preemption_disabled+0x48/0x200
[  349.718871] 1*256kB 
[  349.721386]  ? __lock_is_held+0xb5/0x140
[  349.726385] (U) 
[  349.728389]  __alloc_pages_nodemask+0xa80/0xde0
[  349.733574] 0*512kB 
[  349.736093]  ? graph_lock+0x170/0x170
[  349.740232] 1*1024kB 
[  349.742428]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  349.747174] (U) 
[  349.749544]  ? graph_lock+0x170/0x170
[  349.753496] 1*2048kB 
[  349.755961]  ? find_held_lock+0x36/0x1c0
[  349.761041] (M) 3*4096kB 
[  349.763142]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.766934] (M) 
[  349.769361]  ? lock_downgrade+0x900/0x900
[  349.773632] = 15908kB
[  349.773642] Node 0 
[  349.776437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.781174] DMA32: 2*4kB 
[  349.783300]  cache_grow_begin+0x91/0x8c0
[  349.787949] (M) 0*8kB 
[  349.790583]  ? do_raw_spin_unlock+0xa7/0x2f0
[  349.792804] 3*16kB (M) 
[  349.798505]  fallback_alloc+0x203/0x2e0
[  349.801342] 2*32kB (UM) 
[  349.805439]  ____cache_alloc_node+0x1c7/0x1e0
[  349.807931] 2*64kB 
[  349.812453]  kmem_cache_alloc_node+0xe3/0x730
[  349.815142] (M) 
[  349.819138]  ? ipv6_get_ifaddr+0x42e/0x620
[  349.821882] 4*128kB (UM) 
[  349.826412]  __alloc_skb+0x119/0x770
[  349.828725] 2*256kB 
[  349.833415]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  349.835380] (M) 
[  349.839900]  ? skb_scrub_packet+0x490/0x490
[  349.842741] 4*512kB (UM) 
[  349.846752]  ? lock_downgrade+0x900/0x900
[  349.849053] 3*1024kB (M) 
[  349.854362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.856333] 3*2048kB 
[  349.860676]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.863695] (UM) 3*4096kB 
[  349.867871]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.870621] (M) 
[  349.876385]  ? addrconf_rs_timer+0x6f0/0x6f0
[  349.878881] = 24824kB
[  349.878890] Node 0 
[  349.884504]  ndisc_alloc_skb+0x144/0x340
[  349.887330] Normal: 
[  349.892941]  ndisc_send_rs+0x331/0x6e0
[  349.894908] 981*4kB 
[  349.899334]  addrconf_rs_timer+0x3c0/0x6f0
[  349.901818] (UMEH) 521*8kB 
[  349.904125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.908270] (MEH) 
[  349.910625]  call_timer_fn+0x272/0x920
[  349.914516] 165*16kB 
[  349.916861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.921265] (UMEH) 
[  349.924216]  ? process_timeout+0x40/0x40
[  349.928513] 24*32kB (MEH) 
[  349.930715]  ? find_held_lock+0x36/0x1c0
[  349.930747]  ? __run_timers+0x7da/0xc70
[  349.934615] 4*64kB (MH) 
[  349.937051]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.941358] 3*128kB (UH) 
[  349.943650]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.947699] 1*256kB (U) 
[  349.950564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.950582]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  349.954642] 1*512kB 
[  349.958875]  ? trace_hardirqs_on+0xbd/0x310
[  349.961537] (U) 
[  349.966053]  ? kasan_check_read+0x11/0x20
[  349.968793] 1*1024kB (H) 
[  349.973527]  ? __run_timers+0x7da/0xc70
[  349.976279] 0*2048kB 
[  349.980557]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  349.985295] 0*4096kB = 13932kB
[  349.987657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.992100] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  349.994086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.998230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  350.001086]  __run_timers+0x7e5/0xc70
[  350.005171] 4507 total pagecache pages
[  350.007623]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  350.013356] 0 pages in swap cache
[  350.016565]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  350.020900] Swap cache stats: add 0, delete 0, find 0/0
[  350.029848]  ? graph_lock+0x170/0x170
[  350.034076] Free swap  = 0kB
[  350.034087] Total swap = 0kB
[  350.042867]  ? enqueue_hrtimer+0x1a5/0x560
[  350.046667] 1965979 pages RAM
[  350.050747]  ? lock_release+0x970/0x970
[  350.050766]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  350.056137] 0 pages HighMem/MovableOnly
[  350.059612]  ? find_held_lock+0x36/0x1c0
[  350.064716] 342744 pages reserved
[  350.064725] 0 pages cma reserved
[  350.070120]  ? graph_lock+0x170/0x170
[  350.073993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.076948]  ? pvclock_read_flags+0x160/0x160
[  350.076962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.076978]  ? check_preemption_disabled+0x48/0x200
[  350.077003]  ? __lock_is_held+0xb5/0x140
[  350.080086] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.084360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.087462] ksoftirqd/1 cpuset=
[  350.091730]  ? check_preemption_disabled+0x48/0x200
[  350.096906] /
[  350.100925]  run_timer_softirq+0x52/0xb0
[  350.104981]  mems_allowed=0
[  350.108521]  ? rcu_read_lock_sched_held+0x108/0x120
[  350.180134]  __do_softirq+0x30b/0xad8
[  350.183981]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  350.189222]  ? pvclock_read_flags+0x160/0x160
[  350.193789]  ? lapic_next_event+0x5a/0x90
[  350.197972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.203554]  ? check_preemption_disabled+0x48/0x200
[  350.208891]  ? check_preemption_disabled+0x48/0x200
[  350.214035]  ? kvm_clock_read+0x18/0x30
[  350.218131]  ? kvm_sched_clock_read+0x9/0x20
[  350.222578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.228148]  ? check_preemption_disabled+0x48/0x200
[  350.233211]  irq_exit+0x17f/0x1c0
[  350.236785]  smp_apic_timer_interrupt+0x1cb/0x760
[  350.241675]  ? smp_reschedule_interrupt+0x109/0x650
[  350.246824]  ? smp_call_function_single_interrupt+0x650/0x650
[  350.252761]  ? interrupt_entry+0xb5/0xf0
[  350.256942]  ? trace_hardirqs_off_caller+0xbb/0x300
[  350.262095]  ? trace_hardirqs_off_caller+0xbb/0x300
[  350.267252]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.272385]  ? trace_hardirqs_off+0x300/0x300
[  350.276924]  ? trace_hardirqs_off+0x300/0x300
[  350.281573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.287434]  ? check_preemption_disabled+0x48/0x200
[  350.292598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.298262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.303148]  apic_timer_interrupt+0xf/0x20
[  350.307538]  </IRQ>
[  350.309806] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  350.314783] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  350.333973] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  350.341815] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  350.349503] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  350.356901] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  350.364292] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  350.371679] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  350.379196]  skb_clone+0x1bb/0x500
[  350.382859]  ? skb_split+0x11e0/0x11e0
[  350.386929]  ? preempt_notifier_register+0x200/0x200
[  350.392156]  ? __switch_to_asm+0x34/0x70
[  350.396288]  ? __switch_to_asm+0x34/0x70
[  350.400505]  ? __switch_to_asm+0x40/0x70
[  350.404597]  ? __switch_to_asm+0x34/0x70
[  350.408775]  ? __switch_to_asm+0x40/0x70
[  350.412943]  ? __switch_to_asm+0x40/0x70
[  350.417098]  ? __switch_to_asm+0x34/0x70
[  350.421283]  ? __switch_to_asm+0x34/0x70
[  350.425493]  ? __switch_to_asm+0x40/0x70
[  350.429757]  ? __switch_to_asm+0x34/0x70
[  350.433866]  bpf_clone_redirect+0xb9/0x490
[  350.438306]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  350.443505]  ? __sched_text_start+0x8/0x8
[  350.447689]  ? lockdep_hardirqs_on+0x421/0x5c0
[  350.452389]  ? retint_kernel+0x2d/0x2d
[  350.456305]  ? trace_hardirqs_on_caller+0xc0/0x300
[  350.461453]  ? find_held_lock+0x36/0x1c0
[  350.465891]  ? lock_acquire+0x1ed/0x520
[  350.470160]  ? bpf_test_run+0x32e/0x5a0
[  350.474357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.480012]  ? check_preemption_disabled+0x48/0x200
[  350.485156]  ? kasan_check_read+0x11/0x20
[  350.489596]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  350.495127]  ? rcu_bh_qs+0xc0/0xc0
[  350.498784]  ? preempt_schedule+0x4d/0x60
[  350.503052]  ? ___preempt_schedule+0x16/0x18
[  350.508047]  ? bpf_test_run+0x1c0/0x5a0
[  350.512322]  ? netlink_diag_dump+0x2a0/0x2a0
[  350.517107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.522854]  ? bpf_test_init.isra.9+0x70/0x100
[  350.527552]  ? bpf_prog_test_run_skb+0x634/0xb40
[  350.532426]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  350.537573]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  350.543351]  ? fput+0x130/0x1a0
[  350.546780]  ? __bpf_prog_get+0x9b/0x290
[  350.551141]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  350.556537]  ? bpf_prog_test_run+0x130/0x1a0
[  350.561147]  ? __x64_sys_bpf+0x3d8/0x510
[  350.565230]  ? bpf_prog_get+0x20/0x20
[  350.569324]  ? ksys_ioctl+0x81/0xd0
[  350.573102]  ? do_syscall_64+0x1b9/0x820
[  350.577243]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  350.583203]  ? syscall_return_slowpath+0x5e0/0x5e0
[  350.588329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.593199]  ? trace_hardirqs_off+0x300/0x300
[  350.597742]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  350.602961]  ? prepare_exit_to_usermode+0x291/0x3b0
[  350.608347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.613312]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  350.618721] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  350.618810] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.625610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.625621] Call Trace:
[  350.632685] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.642620]  dump_stack+0x1c4/0x2b4
[  350.645199] syz-executor0 cpuset=
[  350.656120]  ? dump_stack_print_info.cold.2+0x52/0x52
[  350.659919] syz0
[  350.663699]  warn_alloc.cold.118+0xb7/0x1bd
[  350.669139]  mems_allowed=0
[  350.671194]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.683648]  ? lock_downgrade+0x900/0x900
[  350.688034]  ? trace_hardirqs_off+0xb8/0x300
[  350.692782]  ? trace_hardirqs_off+0xb8/0x300
[  350.697352]  __alloc_pages_slowpath+0x2667/0x2d80
[  350.702563]  ? mark_held_locks+0x130/0x130
[  350.706942]  ? warn_alloc+0x120/0x120
[  350.710869]  ? warn_alloc+0x120/0x120
[  350.715069]  ? print_usage_bug+0xc0/0xc0
[  350.719355]  ? warn_alloc+0x120/0x120
[  350.723182]  ? print_usage_bug+0xc0/0xc0
[  350.727362]  ? __lock_acquire+0x7ec/0x4ec0
[  350.731795]  ? __lock_acquire+0x7ec/0x4ec0
[  350.736246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.741814]  ? should_fail+0x22d/0xd01
[  350.746084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.751306]  ? __lock_acquire+0x7ec/0x4ec0
[  350.755747]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.760965]  ? __lock_acquire+0x7ec/0x4ec0
[  350.765645]  ? should_fail+0x22d/0xd01
[  350.769668]  ? mark_held_locks+0x130/0x130
[  350.773950]  ? mark_held_locks+0x130/0x130
[  350.778328]  ? graph_lock+0x170/0x170
[  350.782155]  ? graph_lock+0x170/0x170
[  350.786161]  ? graph_lock+0x170/0x170
[  350.790273]  ? print_usage_bug+0xc0/0xc0
[  350.794363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.800150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.805806]  ? check_preemption_disabled+0x48/0x200
[  350.810993]  ? check_preemption_disabled+0x48/0x200
[  350.816433]  ? __lock_is_held+0xb5/0x140
[  350.820641]  __alloc_pages_nodemask+0xa80/0xde0
[  350.825948]  ? graph_lock+0x170/0x170
[  350.829876]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  350.834918]  ? graph_lock+0x170/0x170
[  350.838931]  ? find_held_lock+0x36/0x1c0
[  350.843289]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.848325]  ? lock_downgrade+0x900/0x900
[  350.852598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.858433]  cache_grow_begin+0x91/0x8c0
[  350.862550]  ? do_raw_spin_unlock+0xa7/0x2f0
[  350.867262]  fallback_alloc+0x203/0x2e0
[  350.871390]  ____cache_alloc_node+0x1c7/0x1e0
[  350.876009]  kmem_cache_alloc_node+0xe3/0x730
[  350.880747]  ? ipv6_get_ifaddr+0x42e/0x620
[  350.885021]  __alloc_skb+0x119/0x770
[  350.888771]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  350.894265]  ? skb_scrub_packet+0x490/0x490
[  350.898786]  ? lock_downgrade+0x900/0x900
[  350.902981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.908723]  ? refcount_sub_and_test_checked+0x203/0x310
[  350.914590]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  350.920185]  ? addrconf_rs_timer+0x6f0/0x6f0
[  350.924640]  ndisc_alloc_skb+0x144/0x340
[  350.928824]  ndisc_send_rs+0x331/0x6e0
[  350.932744]  addrconf_rs_timer+0x3c0/0x6f0
[  350.937099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.941524]  call_timer_fn+0x272/0x920
[  350.945574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.949920]  ? process_timeout+0x40/0x40
[  350.954004]  ? find_held_lock+0x36/0x1c0
[  350.958188]  ? __run_timers+0x7da/0xc70
[  350.962293]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.966967]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.971662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.975922]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  350.980899]  ? trace_hardirqs_on+0xbd/0x310
[  350.985413]  ? kasan_check_read+0x11/0x20
[  350.989678]  ? __run_timers+0x7da/0xc70
[  350.993695]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  350.999184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.003498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.007849]  __run_timers+0x7e5/0xc70
[  351.011692]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  351.017117]  ? compat_start_thread+0x80/0x80
[  351.021558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.027914]  ? _raw_spin_unlock_irq+0x60/0x80
[  351.032507]  ? finish_task_switch+0x1f5/0x900
[  351.037057]  ? finish_task_switch+0x1b5/0x900
[  351.041576]  ? __switch_to_asm+0x34/0x70
[  351.045666]  ? preempt_notifier_register+0x200/0x200
[  351.050793]  ? __switch_to_asm+0x34/0x70
[  351.055036]  ? __switch_to_asm+0x40/0x70
[  351.059117]  ? __switch_to_asm+0x34/0x70
[  351.063207]  ? __switch_to_asm+0x40/0x70
[  351.067293]  ? __switch_to_asm+0x34/0x70
[  351.071374]  ? __switch_to_asm+0x40/0x70
[  351.075550]  ? __switch_to_asm+0x40/0x70
[  351.079737]  ? pvclock_read_flags+0x160/0x160
[  351.084264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.089831]  ? check_preemption_disabled+0x48/0x200
[  351.095065]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  351.100379]  ? rcu_pm_notify+0xc0/0xc0
[  351.104295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.109933]  ? check_preemption_disabled+0x48/0x200
[  351.114988]  run_timer_softirq+0x52/0xb0
[  351.119163]  ? rcu_read_lock_sched_held+0x108/0x120
[  351.124293]  __do_softirq+0x30b/0xad8
[  351.128129]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  351.133546]  ? trace_hardirqs_off_caller+0x300/0x300
[  351.138771]  ? schedule+0x108/0x460
[  351.142558]  ? __schedule+0x1ed0/0x1ed0
[  351.146566]  ? trace_hardirqs_off+0xb8/0x300
[  351.151096]  ? ___might_sleep+0x1ed/0x300
[  351.155350]  ? smpboot_thread_fn+0x68b/0xa00
[  351.159792]  ? trace_hardirqs_on+0x310/0x310
[  351.164225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.169868]  ? check_preemption_disabled+0x48/0x200
[  351.174912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.180571]  ? takeover_tasklets+0xa90/0xa90
[  351.185099]  run_ksoftirqd+0x94/0x100
[  351.188922]  smpboot_thread_fn+0x68b/0xa00
[  351.193316]  ? sort_range+0x30/0x30
[  351.197054]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  351.202181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.207829]  ? __kthread_parkme+0xfb/0x1a0
[  351.212093]  kthread+0x35a/0x420
[  351.215509]  ? sort_range+0x30/0x30
[  351.219253]  ? kthread_bind+0x40/0x40
[  351.223084]  ret_from_fork+0x3a/0x50
[  351.226958] warn_alloc_show_mem: 1 callbacks suppressed
[  351.226970] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  351.226972] Mem-Info:
[  351.227005] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  351.227005]  active_file:28 inactive_file:21 isolated_file:0
[  351.227005]  unevictable:0 dirty:0 writeback:0 unstable:0
[  351.227005]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  351.227005]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  351.227005]  free:13666 free_pcp:197 free_cma:0
[  351.232395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.239709] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  351.242124] Call Trace:
[  351.275276] Node 0 
[  351.284807]  <IRQ>
[  351.313689] 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
[  351.316372]  dump_stack+0x1c4/0x2b4
[  351.318598] lowmem_reserve[]:
[  351.320769]  ? dump_stack_print_info.cold.2+0x52/0x52
[  351.346539]  0 2817
[  351.350220]  warn_alloc.cold.118+0xb7/0x1bd
[  351.353290]  6321 6321
[  351.358592]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.365291]  ? lock_downgrade+0x900/0x900
[  351.367783] Node 0 
[  351.372732]  ? trace_hardirqs_off+0xb8/0x300
[  351.376896] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  351.379136]  ? trace_hardirqs_off+0xb8/0x300
[  351.383743] lowmem_reserve[]: 0
[  351.410960]  __alloc_pages_slowpath+0x2667/0x2d80
[  351.415355]  0
[  351.418679]  ? warn_alloc+0x120/0x120
[  351.423747]  3503 3503
[  351.425581]  ? trace_hardirqs_on+0x310/0x310
[  351.429904] Node 0 
[  351.432423]  ? warn_alloc+0x120/0x120
[  351.437166] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  351.439404]  ? print_usage_bug+0xc0/0xc0
[  351.443230] lowmem_reserve[]:
[  351.472244]  ? warn_alloc+0x120/0x120
[  351.476446]  0
[  351.479608]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  351.483669]  0
[  351.485518]  ? print_usage_bug+0xc0/0xc0
[  351.490561]  0
[  351.492394]  ? __lock_acquire+0x7ec/0x4ec0
[  351.496448]  0
[  351.498298]  ? __lock_acquire+0x7ec/0x4ec0
[  351.504517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.508886] Node 0 
[  351.514551]  ? should_fail+0x22d/0xd01
[  351.514554] DMA: 1*4kB 
[  351.516825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.520783] (U) 
[  351.523385]  ? __lock_acquire+0x7ec/0x4ec0
[  351.528577] 0*8kB 
[  351.530793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.535195] 0*16kB 
[  351.537367]  ? __lock_acquire+0x7ec/0x4ec0
[  351.542497] 1*32kB 
[  351.544835]  ? should_fail+0x22d/0xd01
[  351.549146] (U) 
[  351.551403]  ? print_usage_bug+0xc0/0xc0
[  351.555459] 2*64kB 
[  351.557747]  ? mark_held_locks+0x130/0x130
[  351.561927] (U) 
[  351.564292]  ? mark_held_locks+0x130/0x130
[  351.568671] 1*128kB (U) 
[  351.570746]  ? graph_lock+0x170/0x170
[  351.574966] 1*256kB 
[  351.577663]  ? print_usage_bug+0xc0/0xc0
[  351.581545] (U) 
[  351.583921]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  351.588189] 0*512kB 
[  351.590350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.595089] 1*1024kB (U) 
[  351.597595]  ? check_preemption_disabled+0x48/0x200
[  351.603115] 1*2048kB (M) 
[  351.606006]  ? check_preemption_disabled+0x48/0x200
[  351.611340] 3*4096kB 
[  351.614133]  ? __lock_is_held+0xb5/0x140
[  351.619342] (M) 
[  351.621786]  __alloc_pages_nodemask+0xa80/0xde0
[  351.626136] = 15908kB
[  351.626146] Node 0 
[  351.628147]  ? graph_lock+0x170/0x170
[  351.632805] DMA32: 
[  351.635342]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  351.637695] 2*4kB 
[  351.641597]  ? graph_lock+0x170/0x170
[  351.643833] (M) 
[  351.648940]  ? find_held_lock+0x36/0x1c0
[  351.651072] 0*8kB 3*16kB 
[  351.654906]  ? ____cache_alloc_node+0x1c7/0x1e0
[  351.656868] (M) 
[  351.660946]  ? lock_downgrade+0x900/0x900
[  351.663761] 2*32kB (UM) 
[  351.668457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.670438] 2*64kB (M) 
[  351.674637]  cache_grow_begin+0x91/0x8c0
[  351.677295] 4*128kB (UM) 
[  351.682859]  ? do_raw_spin_unlock+0xa7/0x2f0
[  351.685493] 2*256kB (M) 
[  351.689613]  fallback_alloc+0x203/0x2e0
[  351.692506] 4*512kB (UM) 
[  351.697014]  ____cache_alloc_node+0x1c7/0x1e0
[  351.699764] 3*1024kB 
[  351.703765]  kmem_cache_alloc_node+0xe3/0x730
[  351.706533] (M) 
[  351.711047]  ? ipv6_get_ifaddr+0x42e/0x620
[  351.713447] 3*2048kB (UM) 
[  351.718004]  __alloc_skb+0x119/0x770
[  351.719967] 3*4096kB (M) 
[  351.724228]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  351.727062] = 24824kB
[  351.727071] Node 0 
[  351.730891]  ? skb_scrub_packet+0x490/0x490
[  351.733646] Normal: 
[  351.739032]  ? lock_downgrade+0x900/0x900
[  351.741435] 981*4kB 
[  351.743724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.748202] (UMEH) 
[  351.750546]  ? refcount_sub_and_test_checked+0x203/0x310
[  351.754886] 521*8kB (MEH) 
[  351.757345]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  351.763028] 165*16kB (UMEH) 
[  351.765292]  ? addrconf_rs_timer+0x6f0/0x6f0
[  351.770816] 24*32kB (MEH) 
[  351.773697]  ndisc_alloc_skb+0x144/0x340
[  351.779130] 4*64kB 
[  351.782335]  ndisc_send_rs+0x331/0x6e0
[  351.786730] (MH) 
[  351.789688]  addrconf_rs_timer+0x3c0/0x6f0
[  351.793835] 3*128kB (UH) 
[  351.796106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.800130] 1*256kB (U) 
[  351.802225]  call_timer_fn+0x272/0x920
[  351.806542] 1*512kB 
[  351.809314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.813551] (U) 
[  351.816238]  ? process_timeout+0x40/0x40
[  351.820119] 1*1024kB (H) 
[  351.822463]  ? find_held_lock+0x36/0x1c0
[  351.822516]  ? __run_timers+0x7da/0xc70
[  351.826749] 0*2048kB 
[  351.828745]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.832898] 0*4096kB 
[  351.835845]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.839891] = 13932kB
[  351.839906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  351.843997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.846425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  351.851089]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  351.853579] 4507 total pagecache pages
[  351.858092]  ? trace_hardirqs_on+0xbd/0x310
[  351.860536] 0 pages in swap cache
[  351.869603]  ? kasan_check_read+0x11/0x20
[  351.869621]  ? __run_timers+0x7da/0xc70
[  351.874171] Swap cache stats: add 0, delete 0, find 0/0
[  351.882767]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  351.887514] Free swap  = 0kB
[  351.891550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.895941] Total swap = 0kB
[  351.895950] 1965979 pages RAM
[  351.899504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.903877] 0 pages HighMem/MovableOnly
[  351.903887] 342744 pages reserved
[  351.907874]  __run_timers+0x7e5/0xc70
[  351.913338] 0 pages cma reserved
[  351.918836]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  351.922037] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  351.926173]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  351.926188]  ? graph_lock+0x170/0x170
[  351.926207]  ? enqueue_hrtimer+0x1a5/0x560
[  351.929295] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.932383]  ? lock_release+0x970/0x970
[  351.936611] ksoftirqd/1 cpuset=
[  351.940603]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  351.944067] /
[  351.947886]  ? find_held_lock+0x36/0x1c0
[  351.951275]  mems_allowed=0
[  351.956657]  ? graph_lock+0x170/0x170
[  352.012143]  ? pvclock_read_flags+0x160/0x160
[  352.016672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.022555]  ? check_preemption_disabled+0x48/0x200
[  352.027808]  ? __lock_is_held+0xb5/0x140
[  352.032078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.037762]  ? check_preemption_disabled+0x48/0x200
[  352.042822]  run_timer_softirq+0x52/0xb0
[  352.047093]  ? rcu_read_lock_sched_held+0x108/0x120
[  352.052158]  __do_softirq+0x30b/0xad8
[  352.055999]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  352.061138]  ? pvclock_read_flags+0x160/0x160
[  352.065755]  ? lapic_next_event+0x5a/0x90
[  352.070066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.075634]  ? check_preemption_disabled+0x48/0x200
[  352.080788]  ? check_preemption_disabled+0x48/0x200
[  352.085850]  ? kvm_clock_read+0x18/0x30
[  352.089847]  ? kvm_sched_clock_read+0x9/0x20
[  352.094376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.099946]  ? check_preemption_disabled+0x48/0x200
[  352.105005]  irq_exit+0x17f/0x1c0
[  352.108763]  smp_apic_timer_interrupt+0x1cb/0x760
[  352.113717]  ? smp_reschedule_interrupt+0x109/0x650
[  352.118786]  ? smp_call_function_single_interrupt+0x650/0x650
[  352.124767]  ? interrupt_entry+0xb5/0xf0
[  352.128865]  ? trace_hardirqs_off_caller+0xbb/0x300
[  352.133908]  ? trace_hardirqs_off_caller+0xbb/0x300
[  352.138954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.143849]  ? trace_hardirqs_off+0x300/0x300
[  352.148519]  ? trace_hardirqs_off+0x300/0x300
[  352.153220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.158883]  ? check_preemption_disabled+0x48/0x200
[  352.163996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.169708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.174736]  apic_timer_interrupt+0xf/0x20
[  352.178993]  </IRQ>
[  352.181255] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  352.186208] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  352.205277] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  352.213435] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  352.220785] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  352.228080] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  352.235458] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  352.242806] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  352.250256]  skb_clone+0x1bb/0x500
[  352.253999]  ? skb_split+0x11e0/0x11e0
[  352.257916]  ? preempt_notifier_register+0x200/0x200
[  352.263171]  ? __switch_to_asm+0x34/0x70
[  352.267345]  ? __switch_to_asm+0x34/0x70
[  352.271544]  ? __switch_to_asm+0x40/0x70
[  352.275710]  ? __switch_to_asm+0x34/0x70
[  352.279799]  ? __switch_to_asm+0x40/0x70
[  352.283887]  ? __switch_to_asm+0x40/0x70
[  352.288120]  ? __switch_to_asm+0x34/0x70
[  352.292221]  ? __switch_to_asm+0x34/0x70
[  352.296392]  ? __switch_to_asm+0x40/0x70
[  352.300499]  ? __switch_to_asm+0x34/0x70
[  352.304596]  bpf_clone_redirect+0xb9/0x490
[  352.308892]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  352.313938]  ? __sched_text_start+0x8/0x8
[  352.318112]  ? lockdep_hardirqs_on+0x421/0x5c0
[  352.322717]  ? retint_kernel+0x2d/0x2d
[  352.326721]  ? trace_hardirqs_on_caller+0xc0/0x300
[  352.331911]  ? find_held_lock+0x36/0x1c0
[  352.336089]  ? lock_acquire+0x1ed/0x520
[  352.340085]  ? bpf_test_run+0x32e/0x5a0
[  352.344170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.349748]  ? check_preemption_disabled+0x48/0x200
[  352.355173]  ? kasan_check_read+0x11/0x20
[  352.359349]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  352.364649]  ? rcu_bh_qs+0xc0/0xc0
[  352.368215]  ? preempt_schedule+0x4d/0x60
[  352.372735]  ? ___preempt_schedule+0x16/0x18
[  352.377192]  ? bpf_test_run+0x1c0/0x5a0
[  352.381285]  ? netlink_diag_dump+0x2a0/0x2a0
[  352.385922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.391606]  ? bpf_test_init.isra.9+0x70/0x100
[  352.396509]  ? bpf_prog_test_run_skb+0x634/0xb40
[  352.401504]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  352.406456]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  352.412223]  ? fput+0x130/0x1a0
[  352.415616]  ? __bpf_prog_get+0x9b/0x290
[  352.419793]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  352.425041]  ? bpf_prog_test_run+0x130/0x1a0
[  352.429763]  ? __x64_sys_bpf+0x3d8/0x510
[  352.433968]  ? bpf_prog_get+0x20/0x20
[  352.437888]  ? ksys_ioctl+0x81/0xd0
[  352.441900]  ? do_syscall_64+0x1b9/0x820
[  352.446244]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  352.451727]  ? syscall_return_slowpath+0x5e0/0x5e0
[  352.456688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.461585]  ? trace_hardirqs_off+0x300/0x300
[  352.466206]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  352.471535]  ? prepare_exit_to_usermode+0x291/0x3b0
[  352.476655]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.481635]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  352.487309] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  352.487405] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  352.494533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  352.494545] Call Trace:
[  352.501374] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  352.510961]  dump_stack+0x1c4/0x2b4
[  352.513549] syz-executor0 cpuset=
[  352.524527]  ? dump_stack_print_info.cold.2+0x52/0x52
[  352.528227] syz0
[  352.531734]  warn_alloc.cold.118+0xb7/0x1bd
[  352.537151]  mems_allowed=0
[  352.539245]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  352.551697]  ? lock_downgrade+0x900/0x900
[  352.555973]  ? trace_hardirqs_off+0xb8/0x300
[  352.560555]  ? trace_hardirqs_off+0xb8/0x300
[  352.565100]  __alloc_pages_slowpath+0x2667/0x2d80
[  352.570112]  ? mark_held_locks+0x130/0x130
[  352.574732]  ? warn_alloc+0x120/0x120
[  352.578658]  ? warn_alloc+0x120/0x120
[  352.582522]  ? print_usage_bug+0xc0/0xc0
[  352.586622]  ? warn_alloc+0x120/0x120
[  352.590723]  ? print_usage_bug+0xc0/0xc0
[  352.594814]  ? __lock_acquire+0x7ec/0x4ec0
[  352.599108]  ? __lock_acquire+0x7ec/0x4ec0
[  352.603541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.609715]  ? should_fail+0x22d/0xd01
[  352.613812]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.619028]  ? __lock_acquire+0x7ec/0x4ec0
[  352.623390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.628622]  ? __lock_acquire+0x7ec/0x4ec0
[  352.633208]  ? should_fail+0x22d/0xd01
[  352.637142]  ? mark_held_locks+0x130/0x130
[  352.641416]  ? mark_held_locks+0x130/0x130
[  352.645899]  ? graph_lock+0x170/0x170
[  352.649968]  ? graph_lock+0x170/0x170
[  352.653895]  ? graph_lock+0x170/0x170
[  352.658028]  ? print_usage_bug+0xc0/0xc0
[  352.662125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.667877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.673456]  ? check_preemption_disabled+0x48/0x200
[  352.678918]  ? check_preemption_disabled+0x48/0x200
[  352.683984]  ? __lock_is_held+0xb5/0x140
[  352.688131]  __alloc_pages_nodemask+0xa80/0xde0
[  352.693284]  ? graph_lock+0x170/0x170
[  352.697128]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  352.702252]  ? graph_lock+0x170/0x170
[  352.706283]  ? find_held_lock+0x36/0x1c0
[  352.710454]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.715562]  ? lock_downgrade+0x900/0x900
[  352.719934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.725770]  cache_grow_begin+0x91/0x8c0
[  352.729999]  ? do_raw_spin_unlock+0xa7/0x2f0
[  352.734524]  fallback_alloc+0x203/0x2e0
[  352.738723]  ____cache_alloc_node+0x1c7/0x1e0
[  352.743334]  kmem_cache_alloc_node+0xe3/0x730
[  352.747865]  ? ipv6_get_ifaddr+0x42e/0x620
[  352.752413]  __alloc_skb+0x119/0x770
[  352.756172]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  352.761578]  ? skb_scrub_packet+0x490/0x490
[  352.766022]  ? lock_downgrade+0x900/0x900
[  352.770355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.775928]  ? refcount_sub_and_test_checked+0x203/0x310
[  352.781513]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  352.787252]  ? addrconf_rs_timer+0x6f0/0x6f0
[  352.791796]  ndisc_alloc_skb+0x144/0x340
[  352.796100]  ndisc_send_rs+0x331/0x6e0
[  352.800027]  addrconf_rs_timer+0x3c0/0x6f0
[  352.804304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.808865]  call_timer_fn+0x272/0x920
[  352.812790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.817151]  ? process_timeout+0x40/0x40
[  352.821541]  ? find_held_lock+0x36/0x1c0
[  352.825641]  ? __run_timers+0x7da/0xc70
[  352.829647]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.834326]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.839084]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.843344]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  352.848042]  ? trace_hardirqs_on+0xbd/0x310
[  352.852625]  ? kasan_check_read+0x11/0x20
[  352.856798]  ? __run_timers+0x7da/0xc70
[  352.860823]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  352.866623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.871180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.875550]  __run_timers+0x7e5/0xc70
[  352.879391]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  352.885180]  ? compat_start_thread+0x80/0x80
[  352.889736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.895315]  ? _raw_spin_unlock_irq+0x60/0x80
[  352.899927]  ? finish_task_switch+0x1f5/0x900
[  352.904613]  ? finish_task_switch+0x1b5/0x900
[  352.909223]  ? __switch_to_asm+0x34/0x70
[  352.913319]  ? preempt_notifier_register+0x200/0x200
[  352.918451]  ? __switch_to_asm+0x34/0x70
[  352.922556]  ? __switch_to_asm+0x40/0x70
[  352.926873]  ? __switch_to_asm+0x34/0x70
[  352.930952]  ? __switch_to_asm+0x40/0x70
[  352.935032]  ? __switch_to_asm+0x34/0x70
[  352.939108]  ? __switch_to_asm+0x40/0x70
[  352.943188]  ? __switch_to_asm+0x40/0x70
[  352.947289]  ? pvclock_read_flags+0x160/0x160
[  352.951831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.957392]  ? check_preemption_disabled+0x48/0x200
[  352.962483]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  352.967793]  ? rcu_pm_notify+0xc0/0xc0
[  352.971698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.977259]  ? check_preemption_disabled+0x48/0x200
[  352.982296]  run_timer_softirq+0x52/0xb0
[  352.986367]  ? rcu_read_lock_sched_held+0x108/0x120
[  352.991421]  __do_softirq+0x30b/0xad8
[  352.995246]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  353.000351]  ? trace_hardirqs_off_caller+0x300/0x300
[  353.005480]  ? schedule+0x108/0x460
[  353.009132]  ? __schedule+0x1ed0/0x1ed0
[  353.013114]  ? trace_hardirqs_off+0xb8/0x300
[  353.017531]  ? ___might_sleep+0x1ed/0x300
[  353.021693]  ? smpboot_thread_fn+0x68b/0xa00
[  353.026103]  ? trace_hardirqs_on+0x310/0x310
[  353.030517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.036063]  ? check_preemption_disabled+0x48/0x200
[  353.041084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.046631]  ? takeover_tasklets+0xa90/0xa90
[  353.051052]  run_ksoftirqd+0x94/0x100
[  353.054861]  smpboot_thread_fn+0x68b/0xa00
[  353.059103]  ? sort_range+0x30/0x30
[  353.062734]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  353.067843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.073388]  ? __kthread_parkme+0xfb/0x1a0
[  353.077729]  kthread+0x35a/0x420
[  353.081097]  ? sort_range+0x30/0x30
[  353.084734]  ? kthread_bind+0x40/0x40
[  353.088547]  ret_from_fork+0x3a/0x50
[  353.092286] warn_alloc_show_mem: 1 callbacks suppressed
[  353.092298] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  353.092300] Mem-Info:
[  353.092333] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  353.092333]  active_file:28 inactive_file:21 isolated_file:0
[  353.092333]  unevictable:0 dirty:0 writeback:0 unstable:0
[  353.092333]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  353.092333]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  353.092333]  free:13666 free_pcp:197 free_cma:0
[  353.097674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.104959] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  353.107364] Call Trace:
[  353.140442] Node 0 
[  353.149808]  <IRQ>
[  353.177686] 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
[  353.180251]  dump_stack+0x1c4/0x2b4
[  353.182480] lowmem_reserve[]:
[  353.184636]  ? dump_stack_print_info.cold.2+0x52/0x52
[  353.210167]  0
[  353.213824]  warn_alloc.cold.118+0xb7/0x1bd
[  353.216914]  2817 6321
[  353.222127]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.223912]  6321
[  353.228233]  ? lock_downgrade+0x900/0x900
[  353.235565]  ? trace_hardirqs_off+0xb8/0x300
[  353.237610] Node 0 
[  353.241768]  ? trace_hardirqs_off+0xb8/0x300
[  353.241792]  __alloc_pages_slowpath+0x2667/0x2d80
[  353.246205] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  353.248508]  ? warn_alloc+0x120/0x120
[  353.252877] lowmem_reserve[]:
[  353.257776]  ? trace_hardirqs_on+0x310/0x310
[  353.284506]  0 0
[  353.288344]  ? warn_alloc+0x120/0x120
[  353.291450]  3503
[  353.296373]  ? print_usage_bug+0xc0/0xc0
[  353.298338]  3503
[  353.302166]  ? warn_alloc+0x120/0x120
[  353.308337]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  353.310387] Node 0 
[  353.314204]  ? print_usage_bug+0xc0/0xc0
[  353.319237] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  353.321513]  ? __lock_acquire+0x7ec/0x4ec0
[  353.325566] lowmem_reserve[]:
[  353.354335]  ? __lock_acquire+0x7ec/0x4ec0
[  353.358638]  0
[  353.361760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.366117]  0
[  353.367930]  ? should_fail+0x22d/0xd01
[  353.373547]  0
[  353.375455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.379452]  0
[  353.381292]  ? __lock_acquire+0x7ec/0x4ec0
[  353.388383]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.392844] Node 0 
[  353.398055]  ? __lock_acquire+0x7ec/0x4ec0
[  353.398067] DMA: 
[  353.400380]  ? should_fail+0x22d/0xd01
[  353.404616] 1*4kB 
[  353.406708]  ? print_usage_bug+0xc0/0xc0
[  353.410584] (U) 
[  353.412764]  ? mark_held_locks+0x130/0x130
[  353.416804] 0*8kB 
[  353.418797]  ? mark_held_locks+0x130/0x130
[  353.423105] 0*16kB 1*32kB 
[  353.425289]  ? graph_lock+0x170/0x170
[  353.430361] (U) 
[  353.433268]  ? print_usage_bug+0xc0/0xc0
[  353.437148] 2*64kB 
[  353.439144]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  353.443498] (U) 
[  353.445863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.450621] 1*128kB (U) 
[  353.452796]  ? check_preemption_disabled+0x48/0x200
[  353.458417] 1*256kB 
[  353.461113]  ? check_preemption_disabled+0x48/0x200
[  353.466126] (U) 
[  353.468549]  ? __lock_is_held+0xb5/0x140
[  353.473563] 0*512kB 
[  353.475575]  __alloc_pages_nodemask+0xa80/0xde0
[  353.479688] 1*1024kB 
[  353.482143]  ? graph_lock+0x170/0x170
[  353.486873] (U) 
[  353.489587]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  353.493396] 1*2048kB 
[  353.495459]  ? graph_lock+0x170/0x170
[  353.500584] (M) 
[  353.503117]  ? find_held_lock+0x36/0x1c0
[  353.506906] 3*4096kB 
[  353.509025]  ? ____cache_alloc_node+0x1c7/0x1e0
[  353.513072] (M) 
[  353.515592]  ? lock_downgrade+0x900/0x900
[  353.520251] = 15908kB
[  353.520261] Node 0 
[  353.522263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.526516] DMA32: 
[  353.529019]  cache_grow_begin+0x91/0x8c0
[  353.531246] 2*4kB 
[  353.536886]  ? do_raw_spin_unlock+0xa7/0x2f0
[  353.539288] (M) 
[  353.543372]  fallback_alloc+0x203/0x2e0
[  353.545532] 0*8kB 
[  353.550138]  ____cache_alloc_node+0x1c7/0x1e0
[  353.552187] 3*16kB 
[  353.556186]  kmem_cache_alloc_node+0xe3/0x730
[  353.558447] (M) 
[  353.563058]  ? ipv6_get_ifaddr+0x42e/0x620
[  353.565368] 2*32kB (UM) 
[  353.569960]  __alloc_skb+0x119/0x770
[  353.572031] 2*64kB (M) 
[  353.576497]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  353.579248] 4*128kB 
[  353.583190]  ? skb_scrub_packet+0x490/0x490
[  353.585782] (UM) 
[  353.591073]  ? lock_downgrade+0x900/0x900
[  353.593505] 2*256kB 
[  353.597849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.599971] (M) 
[  353.604268]  ? refcount_sub_and_test_checked+0x203/0x310
[  353.606803] 4*512kB 
[  353.612452]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  353.614459] (UM) 
[  353.620041]  ? addrconf_rs_timer+0x6f0/0x6f0
[  353.622381] 3*1024kB 
[  353.627862]  ndisc_alloc_skb+0x144/0x340
[  353.630105] (M) 3*2048kB 
[  353.634579]  ndisc_send_rs+0x331/0x6e0
[  353.636977] (UM) 3*4096kB 
[  353.641151]  addrconf_rs_timer+0x3c0/0x6f0
[  353.643900] (M) 
[  353.647941]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.650799] = 24824kB
[  353.655058]  call_timer_fn+0x272/0x920
[  353.657060] Node 0 
[  353.661548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.663955] Normal: 981*4kB 
[  353.668011]  ? process_timeout+0x40/0x40
[  353.670245] (UMEH) 
[  353.674625]  ? find_held_lock+0x36/0x1c0
[  353.677637] 521*8kB 
[  353.681785]  ? __run_timers+0x7da/0xc70
[  353.683989] (MEH) 
[  353.688066]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.690396] 165*16kB (UMEH) 
[  353.694639]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.696783] 24*32kB 
[  353.701441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.704458] (MEH) 
[  353.709157]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  353.711505] 4*64kB 
[  353.715931]  ? trace_hardirqs_on+0xbd/0x310
[  353.718161] (MH) 
[  353.722764]  ? kasan_check_read+0x11/0x20
[  353.725006] 3*128kB 
[  353.729342]  ? __run_timers+0x7da/0xc70
[  353.731538] (UH) 
[  353.735985]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  353.738296] 1*256kB (U) 
[  353.742410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.744494] 1*512kB 
[  353.750051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.752709] (U) 
[  353.757063]  __run_timers+0x7e5/0xc70
[  353.759497] 1*1024kB 
[  353.763950]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  353.765953] (H) 
[  353.769837]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  353.772322] 0*2048kB 0*4096kB 
[  353.777840]  ? graph_lock+0x170/0x170
[  353.779884] = 13932kB
[  353.785247]  ? enqueue_hrtimer+0x1a5/0x560
[  353.788710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  353.792702]  ? lock_release+0x970/0x970
[  353.795285] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  353.799615]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  353.808735] 4507 total pagecache pages
[  353.812823]  ? find_held_lock+0x36/0x1c0
[  353.821872] 0 pages in swap cache
[  353.827593]  ? graph_lock+0x170/0x170
[  353.831515] Swap cache stats: add 0, delete 0, find 0/0
[  353.835861]  ? pvclock_read_flags+0x160/0x160
[  353.839308] Free swap  = 0kB
[  353.843132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.848579] Total swap = 0kB
[  353.853205]  ? check_preemption_disabled+0x48/0x200
[  353.856217] 1965979 pages RAM
[  353.861905]  ? __lock_is_held+0xb5/0x140
[  353.864912] 0 pages HighMem/MovableOnly
[  353.870039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.873301] 342744 pages reserved
[  353.877423]  ? check_preemption_disabled+0x48/0x200
[  353.881517] 0 pages cma reserved
[  353.887319]  run_timer_softirq+0x52/0xb0
[  353.891039] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  353.896073]  ? rcu_read_lock_sched_held+0x108/0x120
[  353.896092]  __do_softirq+0x30b/0xad8
[  353.896116]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  353.896134]  ? pvclock_read_flags+0x160/0x160
[  353.899743] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  353.903837]  ? lapic_next_event+0x5a/0x90
[  353.910413] ksoftirqd/1 cpuset=
[  353.915449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.919317] /
[  353.924447]  ? check_preemption_disabled+0x48/0x200
[  353.928931]  mems_allowed=0
[  353.962029]  ? check_preemption_disabled+0x48/0x200
[  353.967240]  ? kvm_clock_read+0x18/0x30
[  353.971238]  ? kvm_sched_clock_read+0x9/0x20
[  353.975677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.981251]  ? check_preemption_disabled+0x48/0x200
[  353.986305]  irq_exit+0x17f/0x1c0
[  353.989790]  smp_apic_timer_interrupt+0x1cb/0x760
[  353.994667]  ? smp_reschedule_interrupt+0x109/0x650
[  353.999722]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.005641]  ? interrupt_entry+0xb5/0xf0
[  354.009736]  ? trace_hardirqs_off_caller+0xbb/0x300
[  354.014801]  ? trace_hardirqs_off_caller+0xbb/0x300
[  354.019856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.024726]  ? trace_hardirqs_off+0x300/0x300
[  354.029246]  ? trace_hardirqs_off+0x300/0x300
[  354.033842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.039419]  ? check_preemption_disabled+0x48/0x200
[  354.044460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.050068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.054952]  apic_timer_interrupt+0xf/0x20
[  354.059201]  </IRQ>
[  354.061563] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  354.066543] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  354.085655] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  354.093397] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  354.100765] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  354.108125] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  354.115594] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  354.122886] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  354.130408]  skb_clone+0x1bb/0x500
[  354.133973]  ? skb_split+0x11e0/0x11e0
[  354.137973]  ? preempt_notifier_register+0x200/0x200
[  354.143196]  ? __switch_to_asm+0x34/0x70
[  354.147279]  ? __switch_to_asm+0x34/0x70
[  354.151358]  ? __switch_to_asm+0x40/0x70
[  354.155440]  ? __switch_to_asm+0x34/0x70
[  354.159554]  ? __switch_to_asm+0x40/0x70
[  354.163782]  ? __switch_to_asm+0x40/0x70
[  354.167884]  ? __switch_to_asm+0x34/0x70
[  354.171971]  ? __switch_to_asm+0x34/0x70
[  354.176051]  ? __switch_to_asm+0x40/0x70
[  354.180303]  ? __switch_to_asm+0x34/0x70
[  354.184409]  bpf_clone_redirect+0xb9/0x490
[  354.188681]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  354.193762]  ? __sched_text_start+0x8/0x8
[  354.198123]  ? lockdep_hardirqs_on+0x421/0x5c0
[  354.202842]  ? retint_kernel+0x2d/0x2d
[  354.206962]  ? trace_hardirqs_on_caller+0xc0/0x300
[  354.212035]  ? find_held_lock+0x36/0x1c0
[  354.216124]  ? lock_acquire+0x1ed/0x520
[  354.220294]  ? bpf_test_run+0x32e/0x5a0
[  354.224292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.229957]  ? check_preemption_disabled+0x48/0x200
[  354.235160]  ? kasan_check_read+0x11/0x20
[  354.239330]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  354.244628]  ? rcu_bh_qs+0xc0/0xc0
[  354.248279]  ? preempt_schedule+0x4d/0x60
[  354.252547]  ? ___preempt_schedule+0x16/0x18
[  354.256983]  ? bpf_test_run+0x1c0/0x5a0
[  354.261055]  ? netlink_diag_dump+0x2a0/0x2a0
[  354.265519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.271167]  ? bpf_test_init.isra.9+0x70/0x100
[  354.275800]  ? bpf_prog_test_run_skb+0x634/0xb40
[  354.280582]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  354.285625]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  354.291191]  ? fput+0x130/0x1a0
[  354.294602]  ? __bpf_prog_get+0x9b/0x290
[  354.298687]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  354.303725]  ? bpf_prog_test_run+0x130/0x1a0
[  354.308167]  ? __x64_sys_bpf+0x3d8/0x510
[  354.312338]  ? bpf_prog_get+0x20/0x20
[  354.316171]  ? ksys_ioctl+0x81/0xd0
[  354.319919]  ? do_syscall_64+0x1b9/0x820
[  354.324143]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  354.329549]  ? syscall_return_slowpath+0x5e0/0x5e0
[  354.334528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.339392]  ? trace_hardirqs_off+0x300/0x300
[  354.343908]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  354.348946]  ? prepare_exit_to_usermode+0x291/0x3b0
[  354.353990]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.358932]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  354.364517] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  354.364599] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  354.371376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  354.371382] Call Trace:
[  354.371403]  dump_stack+0x1c4/0x2b4
[  354.371419]  ? dump_stack_print_info.cold.2+0x52/0x52
[  354.371446]  warn_alloc.cold.118+0xb7/0x1bd
[  354.378049] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.387409]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  354.389990] syz-executor0 cpuset=
[  354.393633]  ? lock_downgrade+0x900/0x900
[  354.398990] syz0
[  354.403418]  ? trace_hardirqs_off+0xb8/0x300
[  354.413903]  mems_allowed=0
[  354.418772]  ? trace_hardirqs_off+0xb8/0x300
[  354.440575]  __alloc_pages_slowpath+0x2667/0x2d80
[  354.445517]  ? mark_held_locks+0x130/0x130
[  354.449857]  ? warn_alloc+0x120/0x120
[  354.453787]  ? warn_alloc+0x120/0x120
[  354.457701]  ? print_usage_bug+0xc0/0xc0
[  354.461873]  ? warn_alloc+0x120/0x120
[  354.465699]  ? print_usage_bug+0xc0/0xc0
[  354.469882]  ? __lock_acquire+0x7ec/0x4ec0
[  354.474227]  ? __lock_acquire+0x7ec/0x4ec0
[  354.478521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.484124]  ? should_fail+0x22d/0xd01
[  354.488219]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.493520]  ? __lock_acquire+0x7ec/0x4ec0
[  354.497998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.503221]  ? __lock_acquire+0x7ec/0x4ec0
[  354.507512]  ? should_fail+0x22d/0xd01
[  354.511436]  ? mark_held_locks+0x130/0x130
[  354.515732]  ? mark_held_locks+0x130/0x130
[  354.519992]  ? graph_lock+0x170/0x170
[  354.523835]  ? graph_lock+0x170/0x170
[  354.527665]  ? graph_lock+0x170/0x170
[  354.531522]  ? print_usage_bug+0xc0/0xc0
[  354.535763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.541409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.547055]  ? check_preemption_disabled+0x48/0x200
[  354.552105]  ? check_preemption_disabled+0x48/0x200
[  354.557166]  ? __lock_is_held+0xb5/0x140
[  354.561431]  __alloc_pages_nodemask+0xa80/0xde0
[  354.566157]  ? graph_lock+0x170/0x170
[  354.569994]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  354.575213]  ? graph_lock+0x170/0x170
[  354.579141]  ? find_held_lock+0x36/0x1c0
[  354.583352]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.588073]  ? lock_downgrade+0x900/0x900
[  354.592520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.598105]  cache_grow_begin+0x91/0x8c0
[  354.602280]  ? do_raw_spin_unlock+0xa7/0x2f0
[  354.606791]  fallback_alloc+0x203/0x2e0
[  354.610916]  ____cache_alloc_node+0x1c7/0x1e0
[  354.615548]  kmem_cache_alloc_node+0xe3/0x730
[  354.620069]  ? ipv6_get_ifaddr+0x42e/0x620
[  354.624424]  __alloc_skb+0x119/0x770
[  354.628160]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  354.633640]  ? skb_scrub_packet+0x490/0x490
[  354.637990]  ? lock_downgrade+0x900/0x900
[  354.642200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.647764]  ? refcount_sub_and_test_checked+0x203/0x310
[  354.653262]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  354.658790]  ? addrconf_rs_timer+0x6f0/0x6f0
[  354.663395]  ndisc_alloc_skb+0x144/0x340
[  354.667522]  ndisc_send_rs+0x331/0x6e0
[  354.671601]  addrconf_rs_timer+0x3c0/0x6f0
[  354.675863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.680137]  call_timer_fn+0x272/0x920
[  354.684050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.688308]  ? process_timeout+0x40/0x40
[  354.692549]  ? find_held_lock+0x36/0x1c0
[  354.696770]  ? __run_timers+0x7da/0xc70
[  354.701179]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.705696]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.710331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.714737]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  354.719345]  ? trace_hardirqs_on+0xbd/0x310
[  354.723692]  ? kasan_check_read+0x11/0x20
[  354.727870]  ? __run_timers+0x7da/0xc70
[  354.731873]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  354.737624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.742065]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.746325]  __run_timers+0x7e5/0xc70
[  354.750162]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  354.755871]  ? compat_start_thread+0x80/0x80
[  354.760328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.766545]  ? _raw_spin_unlock_irq+0x60/0x80
[  354.771163]  ? finish_task_switch+0x1f5/0x900
[  354.775689]  ? finish_task_switch+0x1b5/0x900
[  354.780220]  ? __switch_to_asm+0x34/0x70
[  354.784328]  ? preempt_notifier_register+0x200/0x200
[  354.789575]  ? __switch_to_asm+0x34/0x70
[  354.793670]  ? __switch_to_asm+0x40/0x70
[  354.797766]  ? __switch_to_asm+0x34/0x70
[  354.801894]  ? __switch_to_asm+0x40/0x70
[  354.806056]  ? __switch_to_asm+0x34/0x70
[  354.810450]  ? __switch_to_asm+0x40/0x70
[  354.814737]  ? __switch_to_asm+0x40/0x70
[  354.818889]  ? pvclock_read_flags+0x160/0x160
[  354.823464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.829248]  ? check_preemption_disabled+0x48/0x200
[  354.834402]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  354.840009]  ? rcu_pm_notify+0xc0/0xc0
[  354.844032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.849833]  ? check_preemption_disabled+0x48/0x200
[  354.855150]  run_timer_softirq+0x52/0xb0
[  354.859239]  ? rcu_read_lock_sched_held+0x108/0x120
[  354.864381]  __do_softirq+0x30b/0xad8
[  354.868226]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  354.873827]  ? trace_hardirqs_off_caller+0x300/0x300
[  354.879082]  ? schedule+0x108/0x460
[  354.882927]  ? __schedule+0x1ed0/0x1ed0
[  354.887023]  ? trace_hardirqs_off+0xb8/0x300
[  354.891796]  ? ___might_sleep+0x1ed/0x300
[  354.896233]  ? smpboot_thread_fn+0x68b/0xa00
[  354.901164]  ? trace_hardirqs_on+0x310/0x310
[  354.905608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.911282]  ? check_preemption_disabled+0x48/0x200
[  354.916330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.921998]  ? takeover_tasklets+0xa90/0xa90
[  354.926579]  run_ksoftirqd+0x94/0x100
[  354.930411]  smpboot_thread_fn+0x68b/0xa00
[  354.934677]  ? sort_range+0x30/0x30
[  354.938335]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  354.943560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.949128]  ? __kthread_parkme+0xfb/0x1a0
[  354.953400]  kthread+0x35a/0x420
[  354.956794]  ? sort_range+0x30/0x30
[  354.960542]  ? kthread_bind+0x40/0x40
[  354.964372]  ret_from_fork+0x3a/0x50
[  354.968155] warn_alloc_show_mem: 1 callbacks suppressed
[  354.968168] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  354.968170] Mem-Info:
[  354.968202] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  354.968202]  active_file:28 inactive_file:21 isolated_file:0
[  354.968202]  unevictable:0 dirty:0 writeback:0 unstable:0
[  354.968202]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  354.968202]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  354.968202]  free:13666 free_pcp:197 free_cma:0
[  354.973580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  354.973590] Call Trace:
[  354.981154] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  354.983573]  <IRQ>
[  355.016932] Node 0 
[  355.026653]  dump_stack+0x1c4/0x2b4
[  355.029271] 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
[  355.057510]  ? dump_stack_print_info.cold.2+0x52/0x52
[  355.059655] lowmem_reserve[]:
[  355.061927]  warn_alloc.cold.118+0xb7/0x1bd
[  355.065545]  0
[  355.091829]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.097188]  2817
[  355.100317]  ? lock_downgrade+0x900/0x900
[  355.104632]  6321
[  355.106504]  ? trace_hardirqs_off+0xb8/0x300
[  355.111333]  6321
[  355.113426]  ? trace_hardirqs_off+0xb8/0x300
[  355.119686]  __alloc_pages_slowpath+0x2667/0x2d80
[  355.124175] Node 0 
[  355.126294]  ? warn_alloc+0x120/0x120
[  355.130699] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  355.135558]  ? trace_hardirqs_on+0x310/0x310
[  355.137788] lowmem_reserve[]:
[  355.141609]  ? warn_alloc+0x120/0x120
[  355.168792]  0
[  355.173234]  ? print_usage_bug+0xc0/0xc0
[  355.176343]  0
[  355.180249]  ? warn_alloc+0x120/0x120
[  355.182047]  3503
[  355.186281]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  355.188077]  3503
[  355.191906]  ? print_usage_bug+0xc0/0xc0
[  355.199093]  ? __lock_acquire+0x7ec/0x4ec0
[  355.201327] Node 0 
[  355.205408]  ? __lock_acquire+0x7ec/0x4ec0
[  355.209663] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  355.211894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.216298] lowmem_reserve[]:
[  355.245540]  ? should_fail+0x22d/0xd01
[  355.251203]  0
[  355.254415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.258380]  0
[  355.260207]  ? __lock_acquire+0x7ec/0x4ec0
[  355.265302]  0
[  355.267192]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.271543]  0
[  355.273368]  ? __lock_acquire+0x7ec/0x4ec0
[  355.280314]  ? should_fail+0x22d/0xd01
[  355.284631] Node 0 
[  355.288576]  ? print_usage_bug+0xc0/0xc0
[  355.288586] DMA: 
[  355.290844]  ? mark_held_locks+0x130/0x130
[  355.295778] 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 
[  355.298013]  ? mark_held_locks+0x130/0x130
[  355.302319] 1*128kB 
[  355.307994]  ? graph_lock+0x170/0x170
[  355.312302] (U) 
[  355.314760]  ? print_usage_bug+0xc0/0xc0
[  355.318722] 1*256kB 
[  355.320727]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  355.324779] (U) 
[  355.327127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.332115] 0*512kB 1*1024kB 
[  355.334139]  ? check_preemption_disabled+0x48/0x200
[  355.339670] (U) 
[  355.342825]  ? check_preemption_disabled+0x48/0x200
[  355.348620] 1*2048kB 
[  355.350647]  ? __lock_is_held+0xb5/0x140
[  355.355845] (M) 
[  355.358413]  __alloc_pages_nodemask+0xa80/0xde0
[  355.362501] 3*4096kB 
[  355.364522]  ? graph_lock+0x170/0x170
[  355.369289] (M) 
[  355.371723]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  355.375561] = 15908kB
[  355.377554]  ? graph_lock+0x170/0x170
[  355.382569] Node 0 
[  355.385083]  ? find_held_lock+0x36/0x1c0
[  355.389039] DMA32: 
[  355.391335]  ? ____cache_alloc_node+0x1c7/0x1e0
[  355.395405] 2*4kB 
[  355.397668]  ? lock_downgrade+0x900/0x900
[  355.402332] (M) 
[  355.404550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.408882] 0*8kB 3*16kB 
[  355.410978]  cache_grow_begin+0x91/0x8c0
[  355.416536] (M) 
[  355.419575]  ? do_raw_spin_unlock+0xa7/0x2f0
[  355.423710] 2*32kB (UM) 
[  355.425830]  fallback_alloc+0x203/0x2e0
[  355.431012] 2*64kB (M) 
[  355.433841]  ____cache_alloc_node+0x1c7/0x1e0
[  355.437954] 4*128kB 
[  355.440603]  kmem_cache_alloc_node+0xe3/0x730
[  355.445279] (UM) 
[  355.447824]  ? ipv6_get_ifaddr+0x42e/0x620
[  355.452315] 2*256kB 
[  355.454554]  __alloc_skb+0x119/0x770
[  355.458772] (M) 
[  355.461119]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  355.464824] 4*512kB 
[  355.466907]  ? skb_scrub_packet+0x490/0x490
[  355.472169] (UM) 
[  355.474537]  ? lock_downgrade+0x900/0x900
[  355.478874] 3*1024kB 
[  355.481053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.485536] (M) 3*2048kB 
[  355.487981]  ? refcount_sub_and_test_checked+0x203/0x310
[  355.493688] (UM) 
[  355.496504]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  355.502030] 3*4096kB 
[  355.504117]  ? addrconf_rs_timer+0x6f0/0x6f0
[  355.509646] (M) 
[  355.512086]  ndisc_alloc_skb+0x144/0x340
[  355.516501] = 24824kB
[  355.518529]  ndisc_send_rs+0x331/0x6e0
[  355.522708] Node 0 
[  355.525142]  addrconf_rs_timer+0x3c0/0x6f0
[  355.529110] Normal: 
[  355.531455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.535771] 981*4kB 
[  355.538225]  call_timer_fn+0x272/0x920
[  355.542756] (UMEH) 
[  355.545191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.549068] 521*8kB 
[  355.551420]  ? process_timeout+0x40/0x40
[  355.555665] (MEH) 
[  355.558008]  ? find_held_lock+0x36/0x1c0
[  355.562064] 165*16kB 
[  355.564242]  ? __run_timers+0x7da/0xc70
[  355.568461] (UMEH) 
[  355.570944]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.574902] 24*32kB (MEH) 
[  355.577166]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.582180] 4*64kB 
[  355.585153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.589931] (MH) 
[  355.592194]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  355.596424] 3*128kB 
[  355.598725]  ? trace_hardirqs_on+0xbd/0x310
[  355.603304] (UH) 
[  355.605788]  ? kasan_check_read+0x11/0x20
[  355.610379] 1*256kB (U) 
[  355.612514]  ? __run_timers+0x7da/0xc70
[  355.616844] 1*512kB (U) 
[  355.619819]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  355.623974] 1*1024kB (H) 
[  355.626768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.632285] 0*2048kB 
[  355.635174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.639507] 0*4096kB 
[  355.642029]  __run_timers+0x7e5/0xc70
[  355.646343] = 13932kB
[  355.648889]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  355.652761] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  355.652776] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  355.655277]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  355.660729] 4507 total pagecache pages
[  355.670060]  ? graph_lock+0x170/0x170
[  355.678754] 0 pages in swap cache
[  355.683874]  ? enqueue_hrtimer+0x1a5/0x560
[  355.687807] Swap cache stats: add 0, delete 0, find 0/0
[  355.687818] Free swap  = 0kB
[  355.691644]  ? lock_release+0x970/0x970
[  355.695180] Total swap = 0kB
[  355.699560]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  355.705038] 1965979 pages RAM
[  355.708174]  ? find_held_lock+0x36/0x1c0
[  355.712227] 0 pages HighMem/MovableOnly
[  355.715275]  ? graph_lock+0x170/0x170
[  355.720457] 342744 pages reserved
[  355.720499] 0 pages cma reserved
[  355.723649]  ? pvclock_read_flags+0x160/0x160
[  355.727791] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  355.731797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.735978] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.739323]  ? check_preemption_disabled+0x48/0x200
[  355.742986] ksoftirqd/1 cpuset=
[  355.747537]  ? __lock_is_held+0xb5/0x140
[  355.754022] /
[  355.759604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.770099]  mems_allowed=0
[  355.775404]  ? check_preemption_disabled+0x48/0x200
[  355.798099]  run_timer_softirq+0x52/0xb0
[  355.802188]  ? rcu_read_lock_sched_held+0x108/0x120
[  355.807240]  __do_softirq+0x30b/0xad8
[  355.811079]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  355.816218]  ? pvclock_read_flags+0x160/0x160
[  355.820861]  ? lapic_next_event+0x5a/0x90
[  355.825124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.830943]  ? check_preemption_disabled+0x48/0x200
[  355.836138]  ? check_preemption_disabled+0x48/0x200
[  355.841188]  ? kvm_clock_read+0x18/0x30
[  355.846267]  ? kvm_sched_clock_read+0x9/0x20
[  355.850829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.856623]  ? check_preemption_disabled+0x48/0x200
[  355.861719]  irq_exit+0x17f/0x1c0
[  355.865558]  smp_apic_timer_interrupt+0x1cb/0x760
[  355.870554]  ? smp_reschedule_interrupt+0x109/0x650
[  355.875769]  ? smp_call_function_single_interrupt+0x650/0x650
[  355.881880]  ? interrupt_entry+0xb5/0xf0
[  355.886130]  ? trace_hardirqs_off_caller+0xbb/0x300
[  355.891291]  ? trace_hardirqs_off_caller+0xbb/0x300
[  355.896549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.901656]  ? trace_hardirqs_off+0x300/0x300
[  355.906652]  ? trace_hardirqs_off+0x300/0x300
[  355.911211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.916780]  ? check_preemption_disabled+0x48/0x200
[  355.921961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.927952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.932902]  apic_timer_interrupt+0xf/0x20
[  355.937159]  </IRQ>
[  355.939516] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  355.944691] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  355.963617] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  355.971421] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  355.978715] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  355.986155] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  355.993615] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  356.000992] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  356.008339]  skb_clone+0x1bb/0x500
[  356.012270]  ? skb_split+0x11e0/0x11e0
[  356.016188]  ? preempt_notifier_register+0x200/0x200
[  356.021312]  ? __switch_to_asm+0x34/0x70
[  356.025635]  ? __switch_to_asm+0x34/0x70
[  356.029797]  ? __switch_to_asm+0x40/0x70
[  356.033875]  ? __switch_to_asm+0x34/0x70
[  356.038359]  ? __switch_to_asm+0x40/0x70
[  356.042445]  ? __switch_to_asm+0x40/0x70
[  356.046557]  ? __switch_to_asm+0x34/0x70
[  356.050667]  ? __switch_to_asm+0x34/0x70
[  356.054835]  ? __switch_to_asm+0x40/0x70
[  356.059088]  ? __switch_to_asm+0x34/0x70
[  356.063184]  bpf_clone_redirect+0xb9/0x490
[  356.067453]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  356.072554]  ? __sched_text_start+0x8/0x8
[  356.076739]  ? lockdep_hardirqs_on+0x421/0x5c0
[  356.081358]  ? retint_kernel+0x2d/0x2d
[  356.085276]  ? trace_hardirqs_on_caller+0xc0/0x300
[  356.090347]  ? find_held_lock+0x36/0x1c0
[  356.094559]  ? lock_acquire+0x1ed/0x520
[  356.098647]  ? bpf_test_run+0x32e/0x5a0
[  356.102734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.108516]  ? check_preemption_disabled+0x48/0x200
[  356.113658]  ? kasan_check_read+0x11/0x20
[  356.117923]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  356.123230]  ? rcu_bh_qs+0xc0/0xc0
[  356.126803]  ? preempt_schedule+0x4d/0x60
[  356.131072]  ? ___preempt_schedule+0x16/0x18
[  356.135552]  ? bpf_test_run+0x1c0/0x5a0
[  356.139649]  ? netlink_diag_dump+0x2a0/0x2a0
[  356.144116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.149679]  ? bpf_test_init.isra.9+0x70/0x100
[  356.154410]  ? bpf_prog_test_run_skb+0x634/0xb40
[  356.159329]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  356.164526]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  356.170093]  ? fput+0x130/0x1a0
[  356.173551]  ? __bpf_prog_get+0x9b/0x290
[  356.177810]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  356.182910]  ? bpf_prog_test_run+0x130/0x1a0
[  356.187347]  ? __x64_sys_bpf+0x3d8/0x510
[  356.191429]  ? bpf_prog_get+0x20/0x20
[  356.195438]  ? ksys_ioctl+0x81/0xd0
[  356.199211]  ? do_syscall_64+0x1b9/0x820
[  356.203535]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  356.208936]  ? syscall_return_slowpath+0x5e0/0x5e0
[  356.213991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.218933]  ? trace_hardirqs_off+0x300/0x300
[  356.223458]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  356.228647]  ? prepare_exit_to_usermode+0x291/0x3b0
[  356.233966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.238866]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  356.244392] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  356.244506] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  356.251341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.251348] Call Trace:
[  356.251370]  dump_stack+0x1c4/0x2b4
[  356.251385]  ? dump_stack_print_info.cold.2+0x52/0x52
[  356.251411]  warn_alloc.cold.118+0xb7/0x1bd
[  356.258026] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  356.267505]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.270157] syz-executor0 cpuset=
[  356.273810]  ? lock_downgrade+0x900/0x900
[  356.278990] syz0
[  356.283413]  ? trace_hardirqs_off+0xb8/0x300
[  356.294086]  mems_allowed=0
[  356.299107]  ? trace_hardirqs_off+0xb8/0x300
[  356.321222]  __alloc_pages_slowpath+0x2667/0x2d80
[  356.326217]  ? mark_held_locks+0x130/0x130
[  356.330526]  ? warn_alloc+0x120/0x120
[  356.334449]  ? warn_alloc+0x120/0x120
[  356.338566]  ? print_usage_bug+0xc0/0xc0
[  356.342779]  ? warn_alloc+0x120/0x120
[  356.346858]  ? print_usage_bug+0xc0/0xc0
[  356.350959]  ? __lock_acquire+0x7ec/0x4ec0
[  356.355220]  ? __lock_acquire+0x7ec/0x4ec0
[  356.359825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.365548]  ? should_fail+0x22d/0xd01
[  356.369510]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.374794]  ? __lock_acquire+0x7ec/0x4ec0
[  356.379150]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.384364]  ? __lock_acquire+0x7ec/0x4ec0
[  356.388654]  ? should_fail+0x22d/0xd01
[  356.392669]  ? print_usage_bug+0xc0/0xc0
[  356.396841]  ? mark_held_locks+0x130/0x130
[  356.401110]  ? mark_held_locks+0x130/0x130
[  356.405385]  ? graph_lock+0x170/0x170
[  356.409296]  ? print_usage_bug+0xc0/0xc0
[  356.413399]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  356.418187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.423762]  ? check_preemption_disabled+0x48/0x200
[  356.429031]  ? check_preemption_disabled+0x48/0x200
[  356.434098]  ? __lock_is_held+0xb5/0x140
[  356.438198]  __alloc_pages_nodemask+0xa80/0xde0
[  356.443071]  ? graph_lock+0x170/0x170
[  356.446925]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  356.452052]  ? graph_lock+0x170/0x170
[  356.456157]  ? find_held_lock+0x36/0x1c0
[  356.460547]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.465255]  ? lock_downgrade+0x900/0x900
[  356.469670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.475254]  cache_grow_begin+0x91/0x8c0
[  356.479506]  ? do_raw_spin_unlock+0xa7/0x2f0
[  356.484329]  fallback_alloc+0x203/0x2e0
[  356.488336]  ____cache_alloc_node+0x1c7/0x1e0
[  356.493051]  kmem_cache_alloc_node+0xe3/0x730
[  356.497671]  ? ipv6_get_ifaddr+0x42e/0x620
[  356.502096]  __alloc_skb+0x119/0x770
[  356.506017]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  356.511549]  ? skb_scrub_packet+0x490/0x490
[  356.515897]  ? lock_downgrade+0x900/0x900
[  356.520440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.526182]  ? refcount_sub_and_test_checked+0x203/0x310
[  356.531960]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  356.537568]  ? addrconf_rs_timer+0x6f0/0x6f0
[  356.542134]  ndisc_alloc_skb+0x144/0x340
[  356.546422]  ndisc_send_rs+0x331/0x6e0
[  356.550348]  addrconf_rs_timer+0x3c0/0x6f0
[  356.554804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.559082]  call_timer_fn+0x272/0x920
[  356.563176]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.567515]  ? process_timeout+0x40/0x40
[  356.571696]  ? find_held_lock+0x36/0x1c0
[  356.575815]  ? __run_timers+0x7da/0xc70
[  356.580159]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.585097]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.589700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.593972]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  356.598708]  ? trace_hardirqs_on+0xbd/0x310
[  356.603282]  ? kasan_check_read+0x11/0x20
[  356.607615]  ? __run_timers+0x7da/0xc70
[  356.611733]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  356.617519]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.621914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.626402]  __run_timers+0x7e5/0xc70
[  356.630291]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  356.635803]  ? compat_start_thread+0x80/0x80
[  356.640252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.646074]  ? _raw_spin_unlock_irq+0x60/0x80
[  356.650610]  ? finish_task_switch+0x1f5/0x900
[  356.655257]  ? finish_task_switch+0x1b5/0x900
[  356.659808]  ? __switch_to_asm+0x34/0x70
[  356.663993]  ? preempt_notifier_register+0x200/0x200
[  356.669380]  ? __switch_to_asm+0x34/0x70
[  356.673566]  ? __switch_to_asm+0x40/0x70
[  356.677657]  ? __switch_to_asm+0x34/0x70
[  356.681883]  ? __switch_to_asm+0x40/0x70
[  356.686142]  ? __switch_to_asm+0x34/0x70
[  356.690434]  ? __switch_to_asm+0x40/0x70
[  356.694554]  ? __switch_to_asm+0x40/0x70
[  356.698738]  ? pvclock_read_flags+0x160/0x160
[  356.703275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.708928]  ? check_preemption_disabled+0x48/0x200
[  356.714176]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  356.719592]  ? rcu_pm_notify+0xc0/0xc0
[  356.723603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.729768]  ? check_preemption_disabled+0x48/0x200
[  356.735091]  run_timer_softirq+0x52/0xb0
[  356.739184]  ? rcu_read_lock_sched_held+0x108/0x120
[  356.744523]  __do_softirq+0x30b/0xad8
[  356.748374]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  356.753597]  ? trace_hardirqs_off_caller+0x300/0x300
[  356.758832]  ? schedule+0x108/0x460
[  356.762627]  ? __schedule+0x1ed0/0x1ed0
[  356.766662]  ? trace_hardirqs_off+0xb8/0x300
[  356.771279]  ? ___might_sleep+0x1ed/0x300
[  356.775642]  ? smpboot_thread_fn+0x68b/0xa00
[  356.780143]  ? trace_hardirqs_on+0x310/0x310
[  356.784814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.790514]  ? check_preemption_disabled+0x48/0x200
[  356.795843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.801555]  ? takeover_tasklets+0xa90/0xa90
[  356.806187]  run_ksoftirqd+0x94/0x100
[  356.810227]  smpboot_thread_fn+0x68b/0xa00
[  356.814859]  ? sort_range+0x30/0x30
[  356.818802]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  356.824043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.829819]  ? __kthread_parkme+0xfb/0x1a0
[  356.834325]  kthread+0x35a/0x420
[  356.837873]  ? sort_range+0x30/0x30
[  356.841679]  ? kthread_bind+0x40/0x40
[  356.845724]  ret_from_fork+0x3a/0x50
[  356.849583] warn_alloc_show_mem: 1 callbacks suppressed
[  356.849596] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  356.849598] Mem-Info:
[  356.849629] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  356.849629]  active_file:28 inactive_file:21 isolated_file:0
[  356.849629]  unevictable:0 dirty:0 writeback:0 unstable:0
[  356.849629]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  356.849629]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  356.849629]  free:13666 free_pcp:197 free_cma:0
[  356.855071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.855082] Call Trace:
[  356.862789] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  356.865298]  <IRQ>
[  356.899902] Node 0 
[  356.909467]  dump_stack+0x1c4/0x2b4
[  356.912143] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  356.940514]  ? dump_stack_print_info.cold.2+0x52/0x52
[  356.942659] lowmem_reserve[]:
[  356.945014]  warn_alloc.cold.118+0xb7/0x1bd
[  356.948694]  0
[  356.975256]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.980689]  2817
[  356.983899]  ? lock_downgrade+0x900/0x900
[  356.988299]  6321
[  356.990121]  ? trace_hardirqs_off+0xb8/0x300
[  356.995505]  6321
[  356.997664]  ? trace_hardirqs_off+0xb8/0x300
[  357.004069]  __alloc_pages_slowpath+0x2667/0x2d80
[  357.008503] Node 0 
[  357.010636]  ? warn_alloc+0x120/0x120
[  357.015212] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  357.020565]  ? trace_hardirqs_on+0x310/0x310
[  357.022789] lowmem_reserve[]:
[  357.026610]  ? warn_alloc+0x120/0x120
[  357.054251]  0
[  357.058706]  ? print_usage_bug+0xc0/0xc0
[  357.061956]  0
[  357.065774]  ? warn_alloc+0x120/0x120
[  357.067600]  3503
[  357.071757]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  357.071775]  ? print_usage_bug+0xc0/0xc0
[  357.073576]  3503
[  357.077681]  ? __lock_acquire+0x7ec/0x4ec0
[  357.085044]  ? __lock_acquire+0x7ec/0x4ec0
[  357.089621] Node 0 
[  357.091724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.096113] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  357.100431]  ? should_fail+0x22d/0xd01
[  357.102749] lowmem_reserve[]:
[  357.108314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.137654]  0
[  357.141639]  ? __lock_acquire+0x7ec/0x4ec0
[  357.144803]  0
[  357.150202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.152060]  0
[  357.156403]  ? __lock_acquire+0x7ec/0x4ec0
[  357.158201]  0
[  357.163324]  ? should_fail+0x22d/0xd01
[  357.169454]  ? print_usage_bug+0xc0/0xc0
[  357.171250] Node 0 
[  357.175177]  ? mark_held_locks+0x130/0x130
[  357.179225] DMA: 
[  357.181522]  ? mark_held_locks+0x130/0x130
[  357.185757] 1*4kB 
[  357.187984]  ? graph_lock+0x170/0x170
[  357.192206] (U) 
[  357.194439]  ? print_usage_bug+0xc0/0xc0
[  357.198316] 0*8kB 0*16kB 
[  357.200406]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  357.204452] 1*32kB (U) 
[  357.207270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.212128] 2*64kB (U) 
[  357.214740]  ? check_preemption_disabled+0x48/0x200
[  357.220267] 1*128kB (U) 
[  357.222969]  ? check_preemption_disabled+0x48/0x200
[  357.228135] 1*256kB 
[  357.230834]  ? __lock_is_held+0xb5/0x140
[  357.235833] (U) 
[  357.238257]  __alloc_pages_nodemask+0xa80/0xde0
[  357.242390] 0*512kB 
[  357.244388]  ? graph_lock+0x170/0x170
[  357.249053] 1*1024kB 
[  357.251397]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  357.255276] (U) 
[  357.257701]  ? graph_lock+0x170/0x170
[  357.262968] 1*2048kB 
[  357.265057]  ? find_held_lock+0x36/0x1c0
[  357.269027] (M) 
[  357.271461]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.275622] 3*4096kB 
[  357.277626]  ? lock_downgrade+0x900/0x900
[  357.282292] (M) 
[  357.284798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.288931] = 15908kB
[  357.290960]  cache_grow_begin+0x91/0x8c0
[  357.297084] Node 0 
[  357.299601]  ? do_raw_spin_unlock+0xa7/0x2f0
[  357.303717] DMA32: 2*4kB 
[  357.306077]  fallback_alloc+0x203/0x2e0
[  357.310557] (M) 
[  357.313339]  ____cache_alloc_node+0x1c7/0x1e0
[  357.317380] 0*8kB 3*16kB 
[  357.319384]  kmem_cache_alloc_node+0xe3/0x730
[  357.323867] (M) 
[  357.326840]  ? ipv6_get_ifaddr+0x42e/0x620
[  357.331406] 2*32kB (UM) 
[  357.333413]  __alloc_skb+0x119/0x770
[  357.337627] 2*64kB (M) 
[  357.340362]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  357.344283] 4*128kB (UM) 
[  357.347042]  ? skb_scrub_packet+0x490/0x490
[  357.352510] 2*256kB 
[  357.355287]  ? lock_downgrade+0x900/0x900
[  357.359602] (M) 
[  357.361947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.366177] 4*512kB 
[  357.368255]  ? refcount_sub_and_test_checked+0x203/0x310
[  357.374393] (UM) 
[  357.376910]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  357.382354] 3*1024kB 
[  357.384438]  ? addrconf_rs_timer+0x6f0/0x6f0
[  357.390040] (M) 
[  357.392577]  ndisc_alloc_skb+0x144/0x340
[  357.397058] 3*2048kB (UM) 
[  357.399152]  ndisc_send_rs+0x331/0x6e0
[  357.403200] 3*4096kB 
[  357.406067]  addrconf_rs_timer+0x3c0/0x6f0
[  357.409939] (M) 
[  357.412375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.416773] = 24824kB
[  357.416782] Node 0 
[  357.418932]  call_timer_fn+0x272/0x920
[  357.423177] Normal: 
[  357.425607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.428571] 981*4kB 
[  357.432577]  ? process_timeout+0x40/0x40
[  357.434972] (UMEH) 
[  357.439232]  ? find_held_lock+0x36/0x1c0
[  357.441674] 521*8kB 
[  357.445762]  ? __run_timers+0x7da/0xc70
[  357.447976] (MEH) 
[  357.452211]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.454740] 165*16kB 
[  357.458804]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.460951] (UMEH) 
[  357.465563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.467977] 24*32kB 
[  357.472523]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  357.474825] (MEH) 
[  357.479301]  ? trace_hardirqs_on+0xbd/0x310
[  357.481629] 4*64kB 
[  357.486324]  ? kasan_check_read+0x11/0x20
[  357.488526] (MH) 
[  357.492954]  ? __run_timers+0x7da/0xc70
[  357.495180] 3*128kB 
[  357.499692]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  357.501753] (UH) 
[  357.505834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.508148] 1*256kB 
[  357.513624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.515764] (U) 
[  357.520126]  __run_timers+0x7e5/0xc70
[  357.522462] 1*512kB 
[  357.526829]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  357.528794] (U) 
[  357.532662]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  357.535130] 1*1024kB 
[  357.540603]  ? graph_lock+0x170/0x170
[  357.542581] (H) 
[  357.547664]  ? enqueue_hrtimer+0x1a5/0x560
[  357.550067] 0*2048kB 
[  357.553894]  ? lock_release+0x970/0x970
[  357.556108] 0*4096kB 
[  357.560598]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  357.562997] = 13932kB
[  357.567317]  ? find_held_lock+0x36/0x1c0
[  357.569727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  357.575330]  ? graph_lock+0x170/0x170
[  357.577985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  357.582142]  ? pvclock_read_flags+0x160/0x160
[  357.591416] 4507 total pagecache pages
[  357.595240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.603993] 0 pages in swap cache
[  357.608598]  ? check_preemption_disabled+0x48/0x200
[  357.612564] Swap cache stats: add 0, delete 0, find 0/0
[  357.618309]  ? __lock_is_held+0xb5/0x140
[  357.621839] Free swap  = 0kB
[  357.626984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.632544] Total swap = 0kB
[  357.636968]  ? check_preemption_disabled+0x48/0x200
[  357.640082] 1965979 pages RAM
[  357.645725]  run_timer_softirq+0x52/0xb0
[  357.648732] 0 pages HighMem/MovableOnly
[  357.653793]  ? rcu_read_lock_sched_held+0x108/0x120
[  357.656985] 342744 pages reserved
[  357.656994] 0 pages cma reserved
[  357.661375]  __do_softirq+0x30b/0xad8
[  357.665629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  357.670798]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  357.670817]  ? pvclock_read_flags+0x160/0x160
[  357.670835]  ? lapic_next_event+0x5a/0x90
[  357.674647] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  357.677897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.681693] ksoftirqd/1 cpuset=
[  357.688652]  ? check_preemption_disabled+0x48/0x200
[  357.693753] /
[  357.698362]  ? check_preemption_disabled+0x48/0x200
[  357.702951]  mems_allowed=0
[  357.713379]  ? kvm_clock_read+0x18/0x30
[  357.741137]  ? kvm_sched_clock_read+0x9/0x20
[  357.745572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.751165]  ? check_preemption_disabled+0x48/0x200
[  357.756363]  irq_exit+0x17f/0x1c0
[  357.760022]  smp_apic_timer_interrupt+0x1cb/0x760
[  357.765242]  ? smp_reschedule_interrupt+0x109/0x650
[  357.770292]  ? smp_call_function_single_interrupt+0x650/0x650
[  357.776437]  ? interrupt_entry+0xb5/0xf0
[  357.780561]  ? trace_hardirqs_off_caller+0xbb/0x300
[  357.785611]  ? trace_hardirqs_off_caller+0xbb/0x300
[  357.790658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.795570]  ? trace_hardirqs_off+0x300/0x300
[  357.800173]  ? trace_hardirqs_off+0x300/0x300
[  357.804691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.810428]  ? check_preemption_disabled+0x48/0x200
[  357.815554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.821301]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.826183]  apic_timer_interrupt+0xf/0x20
[  357.830466]  </IRQ>
[  357.832763] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  357.837815] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  357.856932] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  357.864901] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  357.872466] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  357.879936] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  357.887324] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  357.894835] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  357.902286]  skb_clone+0x1bb/0x500
[  357.905929]  ? skb_split+0x11e0/0x11e0
[  357.910032]  ? preempt_notifier_register+0x200/0x200
[  357.915440]  ? __switch_to_asm+0x34/0x70
[  357.919559]  ? __switch_to_asm+0x34/0x70
[  357.923675]  ? __switch_to_asm+0x40/0x70
[  357.927842]  ? __switch_to_asm+0x34/0x70
[  357.931995]  ? __switch_to_asm+0x40/0x70
[  357.936087]  ? __switch_to_asm+0x40/0x70
[  357.940260]  ? __switch_to_asm+0x34/0x70
[  357.944622]  ? __switch_to_asm+0x34/0x70
[  357.948794]  ? __switch_to_asm+0x40/0x70
[  357.952963]  ? __switch_to_asm+0x34/0x70
[  357.957063]  bpf_clone_redirect+0xb9/0x490
[  357.961332]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  357.966463]  ? __sched_text_start+0x8/0x8
[  357.970780]  ? lockdep_hardirqs_on+0x421/0x5c0
[  357.975543]  ? retint_kernel+0x2d/0x2d
[  357.979699]  ? trace_hardirqs_on_caller+0xc0/0x300
[  357.984674]  ? find_held_lock+0x36/0x1c0
[  357.989023]  ? lock_acquire+0x1ed/0x520
[  357.993145]  ? bpf_test_run+0x32e/0x5a0
[  357.997280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.003103]  ? check_preemption_disabled+0x48/0x200
[  358.008181]  ? kasan_check_read+0x11/0x20
[  358.012467]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  358.017853]  ? rcu_bh_qs+0xc0/0xc0
[  358.021548]  ? preempt_schedule+0x4d/0x60
[  358.025876]  ? ___preempt_schedule+0x16/0x18
[  358.030402]  ? bpf_test_run+0x1c0/0x5a0
[  358.034504]  ? netlink_diag_dump+0x2a0/0x2a0
[  358.038958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.044815]  ? bpf_test_init.isra.9+0x70/0x100
[  358.049555]  ? bpf_prog_test_run_skb+0x634/0xb40
[  358.054380]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  358.059397]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  358.065050]  ? fput+0x130/0x1a0
[  358.068445]  ? __bpf_prog_get+0x9b/0x290
[  358.072798]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  358.077675]  ? bpf_prog_test_run+0x130/0x1a0
[  358.082753]  ? __x64_sys_bpf+0x3d8/0x510
[  358.086847]  ? bpf_prog_get+0x20/0x20
[  358.090952]  ? ksys_ioctl+0x81/0xd0
[  358.094625]  ? do_syscall_64+0x1b9/0x820
[  358.099423]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  358.105111]  ? syscall_return_slowpath+0x5e0/0x5e0
[  358.110321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.115679]  ? trace_hardirqs_off+0x300/0x300
[  358.120215]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  358.125427]  ? prepare_exit_to_usermode+0x291/0x3b0
[  358.130551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.135601]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  358.141106] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  358.141187] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  358.148270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.148276] Call Trace:
[  358.148302]  dump_stack+0x1c4/0x2b4
[  358.148316]  ? dump_stack_print_info.cold.2+0x52/0x52
[  358.148347]  warn_alloc.cold.118+0xb7/0x1bd
[  358.154938] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  358.164337]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.166918] syz-executor0 cpuset=
[  358.170577]  ? lock_downgrade+0x900/0x900
[  358.176171] syz0
[  358.180814]  ? trace_hardirqs_off+0xb8/0x300
[  358.191874]  mems_allowed=0
[  358.214417]  ? trace_hardirqs_off+0xb8/0x300
[  358.219315]  __alloc_pages_slowpath+0x2667/0x2d80
[  358.224313]  ? warn_alloc+0x120/0x120
[  358.228239]  ? warn_alloc+0x120/0x120
[  358.232251]  ? print_usage_bug+0xc0/0xc0
[  358.236500]  ? warn_alloc+0x120/0x120
[  358.240350]  ? print_usage_bug+0xc0/0xc0
[  358.244571]  ? __lock_acquire+0x7ec/0x4ec0
[  358.248962]  ? mark_held_locks+0x130/0x130
[  358.253406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.259235]  ? should_fail+0x22d/0xd01
[  358.263261]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.268511]  ? __lock_acquire+0x7ec/0x4ec0
[  358.272968]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.278101]  ? __lock_acquire+0x7ec/0x4ec0
[  358.282518]  ? should_fail+0x22d/0xd01
[  358.286559]  ? mark_held_locks+0x130/0x130
[  358.290908]  ? mark_held_locks+0x130/0x130
[  358.295431]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  358.300602]  ? graph_lock+0x170/0x170
[  358.304548]  ? print_usage_bug+0xc0/0xc0
[  358.308869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.314656]  ? check_preemption_disabled+0x48/0x200
[  358.320034]  ? check_preemption_disabled+0x48/0x200
[  358.325253]  ? __lock_is_held+0xb5/0x140
[  358.329437]  __alloc_pages_nodemask+0xa80/0xde0
[  358.334257]  ? graph_lock+0x170/0x170
[  358.338091]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  358.343319]  ? graph_lock+0x170/0x170
[  358.347254]  ? find_held_lock+0x36/0x1c0
[  358.351351]  ? ____cache_alloc_node+0x1c7/0x1e0
[  358.356430]  ? lock_downgrade+0x900/0x900
[  358.360703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.366303]  cache_grow_begin+0x91/0x8c0
[  358.370828]  ? do_raw_spin_unlock+0xa7/0x2f0
[  358.375611]  fallback_alloc+0x203/0x2e0
[  358.379650]  ____cache_alloc_node+0x1c7/0x1e0
[  358.384565]  kmem_cache_alloc_node+0xe3/0x730
[  358.389089]  ? ipv6_get_ifaddr+0x42e/0x620
[  358.393359]  __alloc_skb+0x119/0x770
[  358.397099]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  358.402523]  ? skb_scrub_packet+0x490/0x490
[  358.407543]  ? lock_downgrade+0x900/0x900
[  358.411726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.417295]  ? refcount_sub_and_test_checked+0x203/0x310
[  358.422864]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  358.428533]  ? addrconf_rs_timer+0x6f0/0x6f0
[  358.433233]  ndisc_alloc_skb+0x144/0x340
[  358.437557]  ndisc_send_rs+0x331/0x6e0
[  358.441651]  addrconf_rs_timer+0x3c0/0x6f0
[  358.446030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.450392]  call_timer_fn+0x272/0x920
[  358.454396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.458747]  ? process_timeout+0x40/0x40
[  358.463086]  ? find_held_lock+0x36/0x1c0
[  358.467231]  ? __run_timers+0x7da/0xc70
[  358.471558]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.476376]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.481072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.485353]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  358.490134]  ? trace_hardirqs_on+0xbd/0x310
[  358.494743]  ? kasan_check_read+0x11/0x20
[  358.498919]  ? __run_timers+0x7da/0xc70
[  358.503135]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  358.508876]  ? prandom_seed_full_state+0x3b0/0x3b0
[  358.514011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.518274]  __run_timers+0x7e5/0xc70
[  358.522465]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  358.527972]  ? compat_start_thread+0x80/0x80
[  358.532600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.538266]  ? _raw_spin_unlock_irq+0x60/0x80
[  358.542958]  ? finish_task_switch+0x1f5/0x900
[  358.547559]  ? finish_task_switch+0x1b5/0x900
[  358.552150]  ? __switch_to_asm+0x34/0x70
[  358.556683]  ? preempt_notifier_register+0x200/0x200
[  358.561997]  ? __switch_to_asm+0x34/0x70
[  358.566079]  ? __switch_to_asm+0x40/0x70
[  358.570260]  ? __switch_to_asm+0x34/0x70
[  358.574560]  ? __switch_to_asm+0x40/0x70
[  358.578646]  ? __switch_to_asm+0x34/0x70
[  358.582904]  ? __switch_to_asm+0x40/0x70
[  358.586994]  ? __switch_to_asm+0x40/0x70
[  358.591163]  ? pvclock_read_flags+0x160/0x160
[  358.595795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.601644]  ? check_preemption_disabled+0x48/0x200
[  358.606697]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  358.612006]  ? rcu_pm_notify+0xc0/0xc0
[  358.615930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.621680]  ? check_preemption_disabled+0x48/0x200
[  358.626743]  run_timer_softirq+0x52/0xb0
[  358.630926]  ? rcu_read_lock_sched_held+0x108/0x120
[  358.636058]  __do_softirq+0x30b/0xad8
[  358.639965]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  358.645094]  ? trace_hardirqs_off_caller+0x300/0x300
[  358.650228]  ? schedule+0x108/0x460
[  358.654012]  ? __schedule+0x1ed0/0x1ed0
[  358.658021]  ? trace_hardirqs_off+0xb8/0x300
[  358.662451]  ? ___might_sleep+0x1ed/0x300
[  358.666633]  ? smpboot_thread_fn+0x68b/0xa00
[  358.671147]  ? trace_hardirqs_on+0x310/0x310
[  358.675585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.681145]  ? check_preemption_disabled+0x48/0x200
[  358.686204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.691761]  ? takeover_tasklets+0xa90/0xa90
[  358.696232]  run_ksoftirqd+0x94/0x100
[  358.700052]  smpboot_thread_fn+0x68b/0xa00
[  358.704296]  ? sort_range+0x30/0x30
[  358.707940]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  358.713056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.718597]  ? __kthread_parkme+0xfb/0x1a0
[  358.722839]  kthread+0x35a/0x420
[  358.726212]  ? sort_range+0x30/0x30
[  358.729846]  ? kthread_bind+0x40/0x40
[  358.733654]  ret_from_fork+0x3a/0x50
[  358.737389] warn_alloc_show_mem: 1 callbacks suppressed
[  358.737402] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  358.737404] Mem-Info:
[  358.737437] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  358.737437]  active_file:28 inactive_file:21 isolated_file:0
[  358.737437]  unevictable:0 dirty:0 writeback:0 unstable:0
[  358.737437]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  358.737437]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  358.737437]  free:13666 free_pcp:197 free_cma:0
[  358.742778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.750058] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  358.752459] Call Trace:
[  358.785539] Node 0 
[  358.794891]  <IRQ>
[  358.822769] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  358.825341]  dump_stack+0x1c4/0x2b4
[  358.827545] lowmem_reserve[]:
[  358.829693]  ? dump_stack_print_info.cold.2+0x52/0x52
[  358.855185]  0
[  358.858832]  warn_alloc.cold.118+0xb7/0x1bd
[  358.861899]  2817 6321
[  358.867096]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.868864]  6321
[  358.873195]  ? lock_downgrade+0x900/0x900
[  358.875669] Node 0 
[  358.880525]  ? trace_hardirqs_off+0xb8/0x300
[  358.882584] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  358.886714]  ? trace_hardirqs_off+0xb8/0x300
[  358.888927] lowmem_reserve[]:
[  358.893343]  __alloc_pages_slowpath+0x2667/0x2d80
[  358.920129]  0
[  358.924577]  ? warn_alloc+0x120/0x120
[  358.927630]  0
[  358.932489]  ? warn_alloc+0x120/0x120
[  358.934263]  3503
[  358.938062]  ? print_usage_bug+0xc0/0xc0
[  358.939839]  3503
[  358.943654]  ? warn_alloc+0x120/0x120
[  358.945694] Node 0 
[  358.949761]  ? print_usage_bug+0xc0/0xc0
[  358.951818] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  358.955594]  ? __lock_acquire+0x7ec/0x4ec0
[  358.957800] lowmem_reserve[]: 0
[  358.961883]  ? __lock_acquire+0x7ec/0x4ec0
[  358.990425]  0
[  358.994691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.997952]  0
[  359.002190]  ? should_fail+0x22d/0xd01
[  359.003965]  0
[  359.009626]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.015292]  ? __lock_acquire+0x7ec/0x4ec0
[  359.017069] Node 0 
[  359.022199]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.026408] DMA: 
[  359.028643]  ? __lock_acquire+0x7ec/0x4ec0
[  359.033727] 1*4kB 
[  359.035800]  ? should_fail+0x22d/0xd01
[  359.040003] (U) 
[  359.042163]  ? mark_held_locks+0x130/0x130
[  359.046010] 0*8kB 0*16kB 
[  359.048001]  ? mark_held_locks+0x130/0x130
[  359.052218] 1*32kB 
[  359.054978]  ? graph_lock+0x170/0x170
[  359.059199] (U) 
[  359.061436]  ? graph_lock+0x170/0x170
[  359.065215] 2*64kB 
[  359.067215]  ? graph_lock+0x170/0x170
[  359.070996] (U) 
[  359.073243]  ? print_usage_bug+0xc0/0xc0
[  359.077024] 1*128kB 
[  359.079031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.083067] (U) 
[  359.085405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.090915] 1*256kB 
[  359.092902]  ? check_preemption_disabled+0x48/0x200
[  359.098413] (U) 
[  359.100750]  ? check_preemption_disabled+0x48/0x200
[  359.105743] 0*512kB 
[  359.107761]  ? __lock_is_held+0xb5/0x140
[  359.112735] 1*1024kB 
[  359.115066]  __alloc_pages_nodemask+0xa80/0xde0
[  359.119100] (U) 
[  359.121518]  ? graph_lock+0x170/0x170
[  359.126153] 1*2048kB (M) 
[  359.128141]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  359.131910] 3*4096kB (M) 
[  359.134683]  ? graph_lock+0x170/0x170
[  359.139674] = 15908kB
[  359.142438]  ? find_held_lock+0x36/0x1c0
[  359.146204] Node 0 
[  359.148625]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.152652] DMA32: 
[  359.154889]  ? lock_downgrade+0x900/0x900
[  359.159534] 2*4kB 
[  359.161789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.165913] (M) 
[  359.168083]  cache_grow_begin+0x91/0x8c0
[  359.173595] 0*8kB 
[  359.175582]  ? do_raw_spin_unlock+0xa7/0x2f0
[  359.179616] 3*16kB 
[  359.181806]  fallback_alloc+0x203/0x2e0
[  359.186179] (M) 
[  359.188454]  ____cache_alloc_node+0x1c7/0x1e0
[  359.192401] 2*32kB 
[  359.194394]  kmem_cache_alloc_node+0xe3/0x730
[  359.198861] (UM) 
[  359.201105]  ? ipv6_get_ifaddr+0x42e/0x620
[  359.205585] 2*64kB 
[  359.207666]  __alloc_skb+0x119/0x770
[  359.211869] (M) 
[  359.214125]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  359.217819] 4*128kB (UM) 
[  359.219815]  ? skb_scrub_packet+0x490/0x490
[  359.225060] 2*256kB 
[  359.227821]  ? lock_downgrade+0x900/0x900
[  359.232118] (M) 
[  359.234490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.238612] 4*512kB 
[  359.240594]  ? refcount_sub_and_test_checked+0x203/0x310
[  359.246110] (UM) 
[  359.248443]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  359.253873] 3*1024kB 
[  359.255941]  ? addrconf_rs_timer+0x6f0/0x6f0
[  359.261390] (M) 
[  359.263826]  ndisc_alloc_skb+0x144/0x340
[  359.268280] 3*2048kB (UM) 
[  359.270274]  ndisc_send_rs+0x331/0x6e0
[  359.274308] 3*4096kB 
[  359.277155]  addrconf_rs_timer+0x3c0/0x6f0
[  359.281016] (M) 
[  359.283435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.287646] = 24824kB
[  359.289644]  call_timer_fn+0x272/0x920
[  359.293865] Node 0 
[  359.297797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.301663] Normal: 
[  359.303904]  ? process_timeout+0x40/0x40
[  359.308133] 981*4kB 
[  359.310461]  ? find_held_lock+0x36/0x1c0
[  359.314510] (UMEH) 
[  359.316848]  ? __run_timers+0x7da/0xc70
[  359.320867] 521*8kB (MEH) 
[  359.323109]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.327051] 165*16kB (UMEH) 
[  359.329911]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.334404] 24*32kB 
[  359.337433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.341899] (MEH) 
[  359.344227]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  359.348438] 4*64kB 
[  359.350587]  ? trace_hardirqs_on+0xbd/0x310
[  359.355139] (MH) 
[  359.357373]  ? kasan_check_read+0x11/0x20
[  359.361668] 3*128kB 
[  359.363733]  ? __run_timers+0x7da/0xc70
[  359.367850] (UH) 
[  359.370171]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  359.374119] 1*256kB 
[  359.376183]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.381603] (U) 
[  359.383928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.388135] 1*512kB 
[  359.390110]  __run_timers+0x7e5/0xc70
[  359.394316] (U) 
[  359.396646]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  359.400405] 1*1024kB (H) 
[  359.402389]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  359.407721] 0*2048kB 0*4096kB 
[  359.410493]  ? graph_lock+0x170/0x170
[  359.415493] = 13932kB
[  359.418707]  ? enqueue_hrtimer+0x1a5/0x560
[  359.422498] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  359.424919]  ? lock_release+0x970/0x970
[  359.429661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  359.438517]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  359.443162] 4507 total pagecache pages
[  359.451753]  ? find_held_lock+0x36/0x1c0
[  359.456917] 0 pages in swap cache
[  359.460827]  ? graph_lock+0x170/0x170
[  359.464865] Swap cache stats: add 0, delete 0, find 0/0
[  359.468311]  ? pvclock_read_flags+0x160/0x160
[  359.472099] Free swap  = 0kB
[  359.477463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.481930] Total swap = 0kB
[  359.481938] 1965979 pages RAM
[  359.484985]  ? check_preemption_disabled+0x48/0x200
[  359.490495] 0 pages HighMem/MovableOnly
[  359.490504] 342744 pages reserved
[  359.493533]  ? __lock_is_held+0xb5/0x140
[  359.496603] 0 pages cma reserved
[  359.502052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.506098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.509460]  ? check_preemption_disabled+0x48/0x200
[  359.513570] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.516876]  run_timer_softirq+0x52/0xb0
[  359.522398] ksoftirqd/1 cpuset=
[  359.528896]  ? rcu_read_lock_sched_held+0x108/0x120
[  359.533889] /
[  359.544215]  __do_softirq+0x30b/0xad8
[  359.548267]  mems_allowed=0
[  359.551561]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  359.570080]  ? pvclock_read_flags+0x160/0x160
[  359.574598]  ? lapic_next_event+0x5a/0x90
[  359.578770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.584334]  ? check_preemption_disabled+0x48/0x200
[  359.589369]  ? check_preemption_disabled+0x48/0x200
[  359.594414]  ? kvm_clock_read+0x18/0x30
[  359.598396]  ? kvm_sched_clock_read+0x9/0x20
[  359.602814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.608363]  ? check_preemption_disabled+0x48/0x200
[  359.613399]  irq_exit+0x17f/0x1c0
[  359.616889]  smp_apic_timer_interrupt+0x1cb/0x760
[  359.621752]  ? smp_reschedule_interrupt+0x109/0x650
[  359.626790]  ? smp_call_function_single_interrupt+0x650/0x650
[  359.632688]  ? interrupt_entry+0xb5/0xf0
[  359.636777]  ? trace_hardirqs_off_caller+0xbb/0x300
[  359.641802]  ? trace_hardirqs_off_caller+0xbb/0x300
[  359.646838]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.651691]  ? trace_hardirqs_off+0x300/0x300
[  359.656222]  ? trace_hardirqs_off+0x300/0x300
[  359.660728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.666291]  ? check_preemption_disabled+0x48/0x200
[  359.671320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.676880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.681755]  apic_timer_interrupt+0xf/0x20
[  359.685991]  </IRQ>
[  359.688236] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  359.693193] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  359.712111] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  359.719835] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  359.727112] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  359.734388] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  359.741687] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  359.748966] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  359.756325]  skb_clone+0x1bb/0x500
[  359.759906]  ? skb_split+0x11e0/0x11e0
[  359.763825]  ? preempt_notifier_register+0x200/0x200
[  359.768945]  ? __switch_to_asm+0x34/0x70
[  359.773022]  ? __switch_to_asm+0x34/0x70
[  359.777100]  ? __switch_to_asm+0x40/0x70
[  359.781185]  ? __switch_to_asm+0x34/0x70
[  359.785258]  ? __switch_to_asm+0x40/0x70
[  359.789334]  ? __switch_to_asm+0x40/0x70
[  359.793402]  ? __switch_to_asm+0x34/0x70
[  359.797484]  ? __switch_to_asm+0x34/0x70
[  359.801556]  ? __switch_to_asm+0x40/0x70
[  359.805622]  ? __switch_to_asm+0x34/0x70
[  359.809714]  bpf_clone_redirect+0xb9/0x490
[  359.813971]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  359.819014]  ? __sched_text_start+0x8/0x8
[  359.823200]  ? lockdep_hardirqs_on+0x421/0x5c0
[  359.827799]  ? retint_kernel+0x2d/0x2d
[  359.831705]  ? trace_hardirqs_on_caller+0xc0/0x300
[  359.836648]  ? find_held_lock+0x36/0x1c0
[  359.840724]  ? lock_acquire+0x1ed/0x520
[  359.844706]  ? bpf_test_run+0x32e/0x5a0
[  359.848683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.854232]  ? check_preemption_disabled+0x48/0x200
[  359.859260]  ? kasan_check_read+0x11/0x20
[  359.863418]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  359.868700]  ? rcu_bh_qs+0xc0/0xc0
[  359.872246]  ? preempt_schedule+0x4d/0x60
[  359.876403]  ? ___preempt_schedule+0x16/0x18
[  359.880910]  ? bpf_test_run+0x1c0/0x5a0
[  359.884901]  ? netlink_diag_dump+0x2a0/0x2a0
[  359.889317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.894880]  ? bpf_test_init.isra.9+0x70/0x100
[  359.899483]  ? bpf_prog_test_run_skb+0x634/0xb40
[  359.904257]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  359.909102]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  359.914643]  ? fput+0x130/0x1a0
[  359.917927]  ? __bpf_prog_get+0x9b/0x290
[  359.921993]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  359.926855]  ? bpf_prog_test_run+0x130/0x1a0
[  359.931273]  ? __x64_sys_bpf+0x3d8/0x510
[  359.935339]  ? bpf_prog_get+0x20/0x20
[  359.939150]  ? ksys_ioctl+0x81/0xd0
[  359.942800]  ? do_syscall_64+0x1b9/0x820
[  359.946871]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  359.952245]  ? syscall_return_slowpath+0x5e0/0x5e0
[  359.957177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.962026]  ? trace_hardirqs_off+0x300/0x300
[  359.966533]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  359.971571]  ? prepare_exit_to_usermode+0x291/0x3b0
[  359.976615]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.981490]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  359.986884] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  359.986966] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.993730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  359.993740] Call Trace:
[  360.000349] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  360.009594]  dump_stack+0x1c4/0x2b4
[  360.012267] syz-executor0 cpuset=
[  360.022869]  ? dump_stack_print_info.cold.2+0x52/0x52
[  360.026485] syz0
[  360.029950]  warn_alloc.cold.118+0xb7/0x1bd
[  360.035113]  mems_allowed=0
[  360.037090]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.049149]  ? lock_downgrade+0x900/0x900
[  360.053318]  ? trace_hardirqs_off+0xb8/0x300
[  360.057738]  ? trace_hardirqs_off+0xb8/0x300
[  360.062174]  __alloc_pages_slowpath+0x2667/0x2d80
[  360.067055]  ? warn_alloc+0x120/0x120
[  360.070870]  ? warn_alloc+0x120/0x120
[  360.074680]  ? print_usage_bug+0xc0/0xc0
[  360.078748]  ? warn_alloc+0x120/0x120
[  360.082562]  ? print_usage_bug+0xc0/0xc0
[  360.086632]  ? __lock_acquire+0x7ec/0x4ec0
[  360.090873]  ? __lock_acquire+0x7ec/0x4ec0
[  360.095116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.100669]  ? should_fail+0x22d/0xd01
[  360.104567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.109677]  ? __lock_acquire+0x7ec/0x4ec0
[  360.113928]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.119037]  ? __lock_acquire+0x7ec/0x4ec0
[  360.123287]  ? should_fail+0x22d/0xd01
[  360.127206]  ? mark_held_locks+0x130/0x130
[  360.131450]  ? mark_held_locks+0x130/0x130
[  360.135702]  ? graph_lock+0x170/0x170
[  360.139513]  ? graph_lock+0x170/0x170
[  360.143319]  ? graph_lock+0x170/0x170
[  360.147122]  ? print_usage_bug+0xc0/0xc0
[  360.151192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.156743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.162309]  ? check_preemption_disabled+0x48/0x200
[  360.167332]  ? check_preemption_disabled+0x48/0x200
[  360.172366]  ? __lock_is_held+0xb5/0x140
[  360.176445]  __alloc_pages_nodemask+0xa80/0xde0
[  360.181133]  ? graph_lock+0x170/0x170
[  360.184946]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  360.189968]  ? graph_lock+0x170/0x170
[  360.193790]  ? find_held_lock+0x36/0x1c0
[  360.197870]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.202547]  ? lock_downgrade+0x900/0x900
[  360.206708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.212271]  cache_grow_begin+0x91/0x8c0
[  360.216344]  ? do_raw_spin_unlock+0xa7/0x2f0
[  360.220798]  fallback_alloc+0x203/0x2e0
[  360.224791]  ____cache_alloc_node+0x1c7/0x1e0
[  360.229301]  kmem_cache_alloc_node+0xe3/0x730
[  360.233807]  ? ipv6_get_ifaddr+0x42e/0x620
[  360.238058]  __alloc_skb+0x119/0x770
[  360.241787]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  360.247079]  ? skb_scrub_packet+0x490/0x490
[  360.251425]  ? lock_downgrade+0x900/0x900
[  360.255594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.261156]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.266626]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.272097]  ? addrconf_rs_timer+0x6f0/0x6f0
[  360.276537]  ndisc_alloc_skb+0x144/0x340
[  360.280617]  ndisc_send_rs+0x331/0x6e0
[  360.284527]  addrconf_rs_timer+0x3c0/0x6f0
[  360.288782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.293045]  call_timer_fn+0x272/0x920
[  360.296944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.301205]  ? process_timeout+0x40/0x40
[  360.305279]  ? find_held_lock+0x36/0x1c0
[  360.309361]  ? __run_timers+0x7da/0xc70
[  360.313349]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.317872]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.322377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.326627]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  360.331234]  ? trace_hardirqs_on+0xbd/0x310
[  360.335584]  ? kasan_check_read+0x11/0x20
[  360.339758]  ? __run_timers+0x7da/0xc70
[  360.343758]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  360.349240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.353539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.357800]  __run_timers+0x7e5/0xc70
[  360.361641]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  360.367033]  ? compat_start_thread+0x80/0x80
[  360.371481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.377074]  ? _raw_spin_unlock_irq+0x60/0x80
[  360.381600]  ? finish_task_switch+0x1f5/0x900
[  360.386119]  ? finish_task_switch+0x1b5/0x900
[  360.390639]  ? __switch_to_asm+0x34/0x70
[  360.394725]  ? preempt_notifier_register+0x200/0x200
[  360.399848]  ? __switch_to_asm+0x34/0x70
[  360.403919]  ? __switch_to_asm+0x40/0x70
[  360.407985]  ? __switch_to_asm+0x34/0x70
[  360.412055]  ? __switch_to_asm+0x40/0x70
[  360.416124]  ? __switch_to_asm+0x34/0x70
[  360.420195]  ? __switch_to_asm+0x40/0x70
[  360.424291]  ? __switch_to_asm+0x40/0x70
[  360.428891]  ? pvclock_read_flags+0x160/0x160
[  360.433410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.438974]  ? check_preemption_disabled+0x48/0x200
[  360.444040]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  360.449344]  ? rcu_pm_notify+0xc0/0xc0
[  360.453262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.458825]  ? check_preemption_disabled+0x48/0x200
[  360.463873]  run_timer_softirq+0x52/0xb0
[  360.467955]  ? rcu_read_lock_sched_held+0x108/0x120
[  360.473006]  __do_softirq+0x30b/0xad8
[  360.476851]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  360.481978]  ? trace_hardirqs_off_caller+0x300/0x300
[  360.487116]  ? schedule+0x108/0x460
[  360.490768]  ? __schedule+0x1ed0/0x1ed0
[  360.494766]  ? trace_hardirqs_off+0xb8/0x300
[  360.499200]  ? ___might_sleep+0x1ed/0x300
[  360.503368]  ? smpboot_thread_fn+0x68b/0xa00
[  360.507841]  ? trace_hardirqs_on+0x310/0x310
[  360.512294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.517864]  ? check_preemption_disabled+0x48/0x200
[  360.522902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.528465]  ? takeover_tasklets+0xa90/0xa90
[  360.532906]  run_ksoftirqd+0x94/0x100
[  360.536723]  smpboot_thread_fn+0x68b/0xa00
[  360.540997]  ? sort_range+0x30/0x30
[  360.544642]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  360.549765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.555416]  ? __kthread_parkme+0xfb/0x1a0
[  360.559698]  kthread+0x35a/0x420
[  360.563335]  ? sort_range+0x30/0x30
[  360.566966]  ? kthread_bind+0x40/0x40
[  360.570782]  ret_from_fork+0x3a/0x50
[  360.574524] warn_alloc_show_mem: 1 callbacks suppressed
[  360.574536] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  360.574538] Mem-Info:
[  360.574571] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  360.574571]  active_file:28 inactive_file:21 isolated_file:0
[  360.574571]  unevictable:0 dirty:0 writeback:0 unstable:0
[  360.574571]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  360.574571]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  360.574571]  free:13666 free_pcp:197 free_cma:0
[  360.579905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.579914] Call Trace:
[  360.587314] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  360.589720]  <IRQ>
[  360.622772] Node 0 
[  360.632144]  dump_stack+0x1c4/0x2b4
[  360.634726] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  360.662567]  ? dump_stack_print_info.cold.2+0x52/0x52
[  360.664691] lowmem_reserve[]:
[  360.666939]  warn_alloc.cold.118+0xb7/0x1bd
[  360.670536]  0
[  360.696060]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.701231]  2817
[  360.704339]  ? lock_downgrade+0x900/0x900
[  360.708636]  6321
[  360.710447]  ? trace_hardirqs_off+0xb8/0x300
[  360.715260]  6321
[  360.717339]  ? trace_hardirqs_off+0xb8/0x300
[  360.721461] Node 0 
[  360.723545]  __alloc_pages_slowpath+0x2667/0x2d80
[  360.727949] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  360.730013]  ? warn_alloc+0x120/0x120
[  360.734376] lowmem_reserve[]:
[  360.736616]  ? trace_hardirqs_on+0x310/0x310
[  360.741431]  0
[  360.768164]  ? warn_alloc+0x120/0x120
[  360.771939]  0
[  360.775043]  ? print_usage_bug+0xc0/0xc0
[  360.779449]  3503
[  360.781269]  ? warn_alloc+0x120/0x120
[  360.785041]  3503
[  360.786848]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  360.790882] Node 0 
[  360.792942]  ? print_usage_bug+0xc0/0xc0
[  360.796742] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  360.798784]  ? __lock_acquire+0x7ec/0x4ec0
[  360.803774] lowmem_reserve[]:
[  360.806008]  ? __lock_acquire+0x7ec/0x4ec0
[  360.810050]  0
[  360.838607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.842812]  0
[  360.845921]  ? should_fail+0x22d/0xd01
[  360.850129]  0
[  360.851945]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.857458]  0
[  360.859265]  ? __lock_acquire+0x7ec/0x4ec0
[  360.859286]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.863151] Node 0 
[  360.864948]  ? __lock_acquire+0x7ec/0x4ec0
[  360.870038] DMA: 1*4kB 
[  360.871857]  ? should_fail+0x22d/0xd01
[  360.876071] (U) 
[  360.881182]  ? print_usage_bug+0xc0/0xc0
[  360.883391] 0*8kB 0*16kB 
[  360.887636]  ? mark_held_locks+0x130/0x130
[  360.890192] 1*32kB 
[  360.894078]  ? mark_held_locks+0x130/0x130
[  360.896041] (U) 
[  360.900122]  ? graph_lock+0x170/0x170
[  360.902844] 2*64kB (U) 1*128kB 
[  360.907087]  ? print_usage_bug+0xc0/0xc0
[  360.909302] (U) 
[  360.913551]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  360.915506] 1*256kB 
[  360.919302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.922559] (U) 
[  360.926654]  ? check_preemption_disabled+0x48/0x200
[  360.928607] 0*512kB 
[  360.933357]  ? check_preemption_disabled+0x48/0x200
[  360.935657] 1*1024kB 
[  360.941198]  ? __lock_is_held+0xb5/0x140
[  360.943137] (U) 
[  360.948153]  __alloc_pages_nodemask+0xa80/0xde0
[  360.950451] 1*2048kB 
[  360.955486]  ? graph_lock+0x170/0x170
[  360.957868] (M) 
[  360.961931]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  360.963882] 3*4096kB 
[  360.968547]  ? graph_lock+0x170/0x170
[  360.970940] (M) 
[  360.974753]  ? find_held_lock+0x36/0x1c0
[  360.976687] = 15908kB
[  360.976695] Node 0 
[  360.981725]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.984097] DMA32: 2*4kB 
[  360.987915]  ? lock_downgrade+0x900/0x900
[  360.989869] (M) 
[  360.993931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.996314] 0*8kB 
[  360.998551]  cache_grow_begin+0x91/0x8c0
[  361.003194] 3*16kB 
[  361.005950]  ? do_raw_spin_unlock+0xa7/0x2f0
[  361.010071] (M) 
[  361.012059]  fallback_alloc+0x203/0x2e0
[  361.017572] 2*32kB 
[  361.019729]  ____cache_alloc_node+0x1c7/0x1e0
[  361.023750] (UM) 2*64kB 
[  361.025996]  kmem_cache_alloc_node+0xe3/0x730
[  361.030370] (M) 4*128kB 
[  361.032356]  ? ipv6_get_ifaddr+0x42e/0x620
[  361.036297] (UM) 2*256kB 
[  361.038550]  __alloc_skb+0x119/0x770
[  361.043005] (M) 4*512kB 
[  361.045685]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  361.050150] (UM) 
[  361.052822]  ? skb_scrub_packet+0x490/0x490
[  361.057049] 3*1024kB 
[  361.059802]  ? lock_downgrade+0x900/0x900
[  361.063493] (M) 
[  361.066169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.071408] 3*2048kB (UM) 
[  361.073483]  ? refcount_sub_and_test_checked+0x203/0x310
[  361.077777] 3*4096kB 
[  361.080186]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  361.084308] (M) 
[  361.086288]  ? addrconf_rs_timer+0x6f0/0x6f0
[  361.091820] = 24824kB
[  361.091828] Node 0 
[  361.094692]  ndisc_alloc_skb+0x144/0x340
[  361.100111] Normal: 981*4kB 
[  361.102549]  ndisc_send_rs+0x331/0x6e0
[  361.107959] (UMEH) 
[  361.109939]  addrconf_rs_timer+0x3c0/0x6f0
[  361.114319] 521*8kB 
[  361.116730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.118935] (MEH) 
[  361.123005]  call_timer_fn+0x272/0x920
[  361.125989] 165*16kB 
[  361.129870]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.132082] (UMEH) 
[  361.136315]  ? process_timeout+0x40/0x40
[  361.138614] 24*32kB 
[  361.142843]  ? find_held_lock+0x36/0x1c0
[  361.144969] (MEH) 
[  361.148858]  ? __run_timers+0x7da/0xc70
[  361.151236] 4*64kB 
[  361.155469]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.157688] (MH) 
[  361.161766]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.164064] 3*128kB 
[  361.168120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.170251] (UH) 
[  361.174218]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  361.176430] 1*256kB 
[  361.180920]  ? trace_hardirqs_on+0xbd/0x310
[  361.182961] (U) 
[  361.187456]  ? kasan_check_read+0x11/0x20
[  361.189751] 1*512kB (U) 
[  361.193996]  ? __run_timers+0x7da/0xc70
[  361.196027] 1*1024kB (H) 
[  361.200615]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  361.202906] 0*2048kB 0*4096kB 
[  361.207236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.209191] = 13932kB
[  361.213364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.216020] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  361.219990]  __run_timers+0x7e5/0xc70
[  361.222731] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  361.228191]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  361.231350] 4507 total pagecache pages
[  361.235581]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  361.237977] 0 pages in swap cache
[  361.242198]  ? graph_lock+0x170/0x170
[  361.251019] Swap cache stats: add 0, delete 0, find 0/0
[  361.254820]  ? enqueue_hrtimer+0x1a5/0x560
[  361.263376] Free swap  = 0kB
[  361.268743]  ? lock_release+0x970/0x970
[  361.272609] Total swap = 0kB
[  361.277630]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  361.281059] 1965979 pages RAM
[  361.284862]  ? find_held_lock+0x36/0x1c0
[  361.290197] 0 pages HighMem/MovableOnly
[  361.290206] 342744 pages reserved
[  361.294439]  ? graph_lock+0x170/0x170
[  361.297841] 0 pages cma reserved
[  361.297934] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.301827]  ? pvclock_read_flags+0x160/0x160
[  361.304885] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.310007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.313089] ksoftirqd/1 cpuset=
[  361.317166]  ? check_preemption_disabled+0x48/0x200
[  361.321128] /
[  361.324588]  ? __lock_is_held+0xb5/0x140
[  361.328356]  mems_allowed=0
[  361.331723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.381057]  ? check_preemption_disabled+0x48/0x200
[  361.386130]  run_timer_softirq+0x52/0xb0
[  361.390209]  ? rcu_read_lock_sched_held+0x108/0x120
[  361.395236]  __do_softirq+0x30b/0xad8
[  361.399066]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  361.404202]  ? pvclock_read_flags+0x160/0x160
[  361.408703]  ? lapic_next_event+0x5a/0x90
[  361.412856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.418406]  ? check_preemption_disabled+0x48/0x200
[  361.423427]  ? check_preemption_disabled+0x48/0x200
[  361.428942]  ? kvm_clock_read+0x18/0x30
[  361.432945]  ? kvm_sched_clock_read+0x9/0x20
[  361.437462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.443025]  ? check_preemption_disabled+0x48/0x200
[  361.448083]  irq_exit+0x17f/0x1c0
[  361.451547]  smp_apic_timer_interrupt+0x1cb/0x760
[  361.456409]  ? smp_reschedule_interrupt+0x109/0x650
[  361.461441]  ? smp_call_function_single_interrupt+0x650/0x650
[  361.467337]  ? interrupt_entry+0xb5/0xf0
[  361.471410]  ? trace_hardirqs_off_caller+0xbb/0x300
[  361.476428]  ? trace_hardirqs_off_caller+0xbb/0x300
[  361.481450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.486309]  ? trace_hardirqs_off+0x300/0x300
[  361.490810]  ? trace_hardirqs_off+0x300/0x300
[  361.495315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.500868]  ? check_preemption_disabled+0x48/0x200
[  361.505888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.511440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.516308]  apic_timer_interrupt+0xf/0x20
[  361.520557]  </IRQ>
[  361.522802] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  361.527737] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  361.546680] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  361.554415] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  361.561704] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  361.568990] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  361.576288] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  361.583578] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  361.590918]  skb_clone+0x1bb/0x500
[  361.594482]  ? skb_split+0x11e0/0x11e0
[  361.598389]  ? preempt_notifier_register+0x200/0x200
[  361.603511]  ? __switch_to_asm+0x34/0x70
[  361.607589]  ? __switch_to_asm+0x34/0x70
[  361.611658]  ? __switch_to_asm+0x40/0x70
[  361.615750]  ? __switch_to_asm+0x34/0x70
[  361.619817]  ? __switch_to_asm+0x40/0x70
[  361.623888]  ? __switch_to_asm+0x40/0x70
[  361.627961]  ? __switch_to_asm+0x34/0x70
[  361.632031]  ? __switch_to_asm+0x34/0x70
[  361.636117]  ? __switch_to_asm+0x40/0x70
[  361.640190]  ? __switch_to_asm+0x34/0x70
[  361.644273]  bpf_clone_redirect+0xb9/0x490
[  361.648534]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  361.653567]  ? __sched_text_start+0x8/0x8
[  361.657724]  ? lockdep_hardirqs_on+0x421/0x5c0
[  361.662323]  ? retint_kernel+0x2d/0x2d
[  361.666220]  ? trace_hardirqs_on_caller+0xc0/0x300
[  361.671169]  ? find_held_lock+0x36/0x1c0
[  361.675255]  ? lock_acquire+0x1ed/0x520
[  361.679269]  ? bpf_test_run+0x32e/0x5a0
[  361.683257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.688812]  ? check_preemption_disabled+0x48/0x200
[  361.693852]  ? kasan_check_read+0x11/0x20
[  361.698012]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  361.703302]  ? rcu_bh_qs+0xc0/0xc0
[  361.706854]  ? preempt_schedule+0x4d/0x60
[  361.711019]  ? ___preempt_schedule+0x16/0x18
[  361.715456]  ? bpf_test_run+0x1c0/0x5a0
[  361.719462]  ? netlink_diag_dump+0x2a0/0x2a0
[  361.723905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.729462]  ? bpf_test_init.isra.9+0x70/0x100
[  361.734095]  ? bpf_prog_test_run_skb+0x634/0xb40
[  361.738873]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  361.743728]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  361.749281]  ? fput+0x130/0x1a0
[  361.752570]  ? __bpf_prog_get+0x9b/0x290
[  361.756641]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  361.761500]  ? bpf_prog_test_run+0x130/0x1a0
[  361.765925]  ? __x64_sys_bpf+0x3d8/0x510
[  361.769993]  ? bpf_prog_get+0x20/0x20
[  361.773808]  ? ksys_ioctl+0x81/0xd0
[  361.777455]  ? do_syscall_64+0x1b9/0x820
[  361.781535]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  361.786915]  ? syscall_return_slowpath+0x5e0/0x5e0
[  361.791853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.796704]  ? trace_hardirqs_off+0x300/0x300
[  361.801215]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  361.806241]  ? prepare_exit_to_usermode+0x291/0x3b0
[  361.811276]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.816138]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  361.821537] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  361.821619] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.828386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.828393] Call Trace:
[  361.828414]  dump_stack+0x1c4/0x2b4
[  361.828430]  ? dump_stack_print_info.cold.2+0x52/0x52
[  361.828457]  warn_alloc.cold.118+0xb7/0x1bd
[  361.835122] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.844412]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.846969] syz-executor0 cpuset=
[  361.850597]  ? lock_downgrade+0x900/0x900
[  361.855772] syz0
[  361.860104]  ? trace_hardirqs_off+0xb8/0x300
[  361.870580]  mems_allowed=0
[  361.875427]  ? trace_hardirqs_off+0xb8/0x300
[  361.896699]  __alloc_pages_slowpath+0x2667/0x2d80
[  361.901581]  ? warn_alloc+0x120/0x120
[  361.905392]  ? warn_alloc+0x120/0x120
[  361.909201]  ? print_usage_bug+0xc0/0xc0
[  361.913272]  ? warn_alloc+0x120/0x120
[  361.917078]  ? print_usage_bug+0xc0/0xc0
[  361.921149]  ? __lock_acquire+0x7ec/0x4ec0
[  361.925388]  ? __lock_acquire+0x7ec/0x4ec0
[  361.929633]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.935180]  ? should_fail+0x22d/0xd01
[  361.939099]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.944226]  ? __lock_acquire+0x7ec/0x4ec0
[  361.948492]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.953604]  ? __lock_acquire+0x7ec/0x4ec0
[  361.957840]  ? should_fail+0x22d/0xd01
[  361.961744]  ? mark_held_locks+0x130/0x130
[  361.965985]  ? mark_held_locks+0x130/0x130
[  361.970234]  ? graph_lock+0x170/0x170
[  361.974043]  ? graph_lock+0x170/0x170
[  361.977853]  ? graph_lock+0x170/0x170
[  361.981657]  ? print_usage_bug+0xc0/0xc0
[  361.985724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.991274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.996823]  ? check_preemption_disabled+0x48/0x200
[  362.001850]  ? check_preemption_disabled+0x48/0x200
[  362.006885]  ? __lock_is_held+0xb5/0x140
[  362.010960]  __alloc_pages_nodemask+0xa80/0xde0
[  362.015633]  ? graph_lock+0x170/0x170
[  362.019447]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  362.024482]  ? graph_lock+0x170/0x170
[  362.028301]  ? find_held_lock+0x36/0x1c0
[  362.032378]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.037053]  ? lock_downgrade+0x900/0x900
[  362.041217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.046776]  cache_grow_begin+0x91/0x8c0
[  362.050847]  ? do_raw_spin_unlock+0xa7/0x2f0
[  362.055283]  fallback_alloc+0x203/0x2e0
[  362.059274]  ____cache_alloc_node+0x1c7/0x1e0
[  362.063807]  kmem_cache_alloc_node+0xe3/0x730
[  362.068312]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.072567]  __alloc_skb+0x119/0x770
[  362.076297]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  362.081593]  ? skb_scrub_packet+0x490/0x490
[  362.085922]  ? lock_downgrade+0x900/0x900
[  362.090088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.095633]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.101130]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.106594]  ? addrconf_rs_timer+0x6f0/0x6f0
[  362.111026]  ndisc_alloc_skb+0x144/0x340
[  362.115108]  ndisc_send_rs+0x331/0x6e0
[  362.119018]  addrconf_rs_timer+0x3c0/0x6f0
[  362.123275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.127532]  call_timer_fn+0x272/0x920
[  362.131427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.135675]  ? process_timeout+0x40/0x40
[  362.139741]  ? find_held_lock+0x36/0x1c0
[  362.143823]  ? __run_timers+0x7da/0xc70
[  362.147830]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.152332]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.156840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.161084]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  362.165677]  ? trace_hardirqs_on+0xbd/0x310
[  362.170011]  ? kasan_check_read+0x11/0x20
[  362.174169]  ? __run_timers+0x7da/0xc70
[  362.178159]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  362.183626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.187886]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.192130]  __run_timers+0x7e5/0xc70
[  362.195950]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  362.201318]  ? compat_start_thread+0x80/0x80
[  362.205742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.211296]  ? _raw_spin_unlock_irq+0x60/0x80
[  362.215804]  ? finish_task_switch+0x1f5/0x900
[  362.220305]  ? finish_task_switch+0x1b5/0x900
[  362.224812]  ? __switch_to_asm+0x34/0x70
[  362.228888]  ? preempt_notifier_register+0x200/0x200
[  362.234004]  ? __switch_to_asm+0x34/0x70
[  362.238072]  ? __switch_to_asm+0x40/0x70
[  362.242140]  ? __switch_to_asm+0x34/0x70
[  362.246207]  ? __switch_to_asm+0x40/0x70
[  362.250286]  ? __switch_to_asm+0x34/0x70
[  362.254353]  ? __switch_to_asm+0x40/0x70
[  362.258427]  ? __switch_to_asm+0x40/0x70
[  362.262512]  ? pvclock_read_flags+0x160/0x160
[  362.267025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.272585]  ? check_preemption_disabled+0x48/0x200
[  362.277627]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  362.282924]  ? rcu_pm_notify+0xc0/0xc0
[  362.286824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.292398]  ? check_preemption_disabled+0x48/0x200
[  362.297438]  run_timer_softirq+0x52/0xb0
[  362.301536]  ? rcu_read_lock_sched_held+0x108/0x120
[  362.306571]  __do_softirq+0x30b/0xad8
[  362.310396]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  362.315518]  ? trace_hardirqs_off_caller+0x300/0x300
[  362.320646]  ? schedule+0x108/0x460
[  362.324296]  ? __schedule+0x1ed0/0x1ed0
[  362.328290]  ? trace_hardirqs_off+0xb8/0x300
[  362.332711]  ? ___might_sleep+0x1ed/0x300
[  362.336865]  ? smpboot_thread_fn+0x68b/0xa00
[  362.341292]  ? trace_hardirqs_on+0x310/0x310
[  362.345714]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.351272]  ? check_preemption_disabled+0x48/0x200
[  362.356300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.361859]  ? takeover_tasklets+0xa90/0xa90
[  362.366293]  run_ksoftirqd+0x94/0x100
[  362.370122]  smpboot_thread_fn+0x68b/0xa00
[  362.374377]  ? sort_range+0x30/0x30
[  362.378018]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  362.383144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.388706]  ? __kthread_parkme+0xfb/0x1a0
[  362.393082]  kthread+0x35a/0x420
[  362.396508]  ? sort_range+0x30/0x30
[  362.400153]  ? kthread_bind+0x40/0x40
[  362.403993]  ret_from_fork+0x3a/0x50
[  362.407750] warn_alloc_show_mem: 1 callbacks suppressed
[  362.407763] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  362.407765] Mem-Info:
[  362.407799] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  362.407799]  active_file:28 inactive_file:21 isolated_file:0
[  362.407799]  unevictable:0 dirty:0 writeback:0 unstable:0
[  362.407799]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  362.407799]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  362.407799]  free:13666 free_pcp:197 free_cma:0
[  362.413157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  362.413169] Call Trace:
[  362.420467] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  362.422874]  <IRQ>
[  362.456036] Node 0 
[  362.465415]  dump_stack+0x1c4/0x2b4
[  362.468003] 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
[  362.495856]  ? dump_stack_print_info.cold.2+0x52/0x52
[  362.497984] lowmem_reserve[]:
[  362.500228]  warn_alloc.cold.118+0xb7/0x1bd
[  362.503814]  0 2817
[  362.529343]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.534617]  6321
[  362.537729]  ? lock_downgrade+0x900/0x900
[  362.542028]  6321
[  362.544299]  ? trace_hardirqs_off+0xb8/0x300
[  362.549117] Node 0 
[  362.551194]  ? trace_hardirqs_off+0xb8/0x300
[  362.555336] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  362.557384]  __alloc_pages_slowpath+0x2667/0x2d80
[  362.561788] lowmem_reserve[]:
[  362.564069]  ? warn_alloc+0x120/0x120
[  362.568416]  0 0
[  362.595169]  ? warn_alloc+0x120/0x120
[  362.599991]  3503
[  362.603096]  ? print_usage_bug+0xc0/0xc0
[  362.606869]  3503
[  362.608852]  ? warn_alloc+0x120/0x120
[  362.612630] Node 0 
[  362.614694]  ? print_usage_bug+0xc0/0xc0
[  362.618772] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  362.620820]  ? graph_lock+0x170/0x170
[  362.624592] lowmem_reserve[]:
[  362.626832]  ? kvm_sched_clock_read+0x9/0x20
[  362.630869]  0
[  362.659426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.663192]  0 0
[  362.666309]  ? should_fail+0x22d/0xd01
[  362.670784]  0
[  362.672589]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.680088]  ? __lock_acquire+0x7ec/0x4ec0
[  362.683948] Node 0 
[  362.685755]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.690828] DMA: 
[  362.695072]  ? __lock_acquire+0x7ec/0x4ec0
[  362.697284] 1*4kB 
[  362.702391]  ? should_fail+0x22d/0xd01
[  362.704425] (U) 
[  362.708668]  ? mark_held_locks+0x130/0x130
[  362.710787] 0*8kB 
[  362.714684]  ? mark_held_locks+0x130/0x130
[  362.716648] 0*16kB 
[  362.720892]  ? select_task_rq_fair+0x754/0x34f0
[  362.723015] 1*32kB 
[  362.727250]  ? lock_downgrade+0x900/0x900
[  362.729480] (U) 
[  362.734162]  ? check_preemption_disabled+0x48/0x200
[  362.736362] 2*64kB (U) 
[  362.740523]  ? graph_lock+0x170/0x170
[  362.742504] 1*128kB 
[  362.747532]  ? print_usage_bug+0xc0/0xc0
[  362.750092] (U) 
[  362.753902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.756201] 1*256kB 
[  362.760282]  ? check_preemption_disabled+0x48/0x200
[  362.762231] (U) 
[  362.767781]  ? check_preemption_disabled+0x48/0x200
[  362.770077] 0*512kB 1*1024kB 
[  362.775128]  ? __lock_is_held+0xb5/0x140
[  362.777073] (U) 
[  362.782114]  __alloc_pages_nodemask+0xa80/0xde0
[  362.785197] 1*2048kB 
[  362.789255]  ? graph_lock+0x170/0x170
[  362.791201] (M) 3*4096kB 
[  362.795892]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  362.798282] (M) 
[  362.802080]  ? graph_lock+0x170/0x170
[  362.804814] = 15908kB
[  362.804823] Node 0 
[  362.809854]  ? find_held_lock+0x36/0x1c0
[  362.811792] DMA32: 2*4kB 
[  362.815613]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.817993] (M) 
[  362.820238]  ? lock_downgrade+0x900/0x900
[  362.824271] 0*8kB 3*16kB 
[  362.827044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.831678] (M) 2*32kB 
[  362.833671]  cache_grow_begin+0x91/0x8c0
[  362.837793] (UM) 
[  362.840554]  ? do_raw_spin_unlock+0xa7/0x2f0
[  362.846069] 2*64kB 
[  362.848666]  fallback_alloc+0x203/0x2e0
[  362.852704] (M) 
[  362.854781]  ____cache_alloc_node+0x1c7/0x1e0
[  362.859158] 4*128kB (UM) 
[  362.861420]  kmem_cache_alloc_node+0xe3/0x730
[  362.865368] 2*256kB (M) 
[  362.867448]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.871905] 4*512kB (UM) 
[  362.874679]  __alloc_skb+0x119/0x770
[  362.879154] 3*1024kB 
[  362.881825]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  362.886038] (M) 
[  362.888809]  ? skb_scrub_packet+0x490/0x490
[  362.892508] 3*2048kB 
[  362.894923]  ? lock_downgrade+0x900/0x900
[  362.900185] (UM) 
[  362.902178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.906483] 3*4096kB 
[  362.908902]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.913027] (M) 
[  362.915102]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.920619] = 24824kB
[  362.923042]  ? addrconf_rs_timer+0x6f0/0x6f0
[  362.928561] Node 0 
[  362.930564]  ndisc_alloc_skb+0x144/0x340
[  362.935975] Normal: 
[  362.938400]  ndisc_send_rs+0x331/0x6e0
[  362.942781] 981*4kB 
[  362.945045]  addrconf_rs_timer+0x3c0/0x6f0
[  362.949080] (UMEH) 
[  362.951413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.955289] 521*8kB 
[  362.957627]  call_timer_fn+0x272/0x920
[  362.961825] (MEH) 
[  362.964064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.968273] 165*16kB 
[  362.970603]  ? process_timeout+0x40/0x40
[  362.974457] (UMEH) 
[  362.976617]  ? find_held_lock+0x36/0x1c0
[  362.980826] 24*32kB 
[  362.983289]  ? __run_timers+0x7da/0xc70
[  362.987316] (MEH) 
[  362.989556]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.993595] 4*64kB 
[  362.995945]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.999891] (MH) 3*128kB 
[  363.002064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.006528] (UH) 1*256kB 
[  363.008823]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  363.013287] (U) 1*512kB 
[  363.016065]  ? trace_hardirqs_on+0xbd/0x310
[  363.020282] (U) 
[  363.023051]  ? kasan_check_read+0x11/0x20
[  363.027601] 1*1024kB (H) 
[  363.030309]  ? __run_timers+0x7da/0xc70
[  363.034604] 0*2048kB 0*4096kB 
[  363.036602]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  363.040730] = 13932kB
[  363.043531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.047484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  363.050669]  __run_timers+0x7e5/0xc70
[  363.056102] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  363.058525]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  363.062723] 4507 total pagecache pages
[  363.071598]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  363.075406] 0 pages in swap cache
[  363.083996]  ? graph_lock+0x170/0x170
[  363.089359] Swap cache stats: add 0, delete 0, find 0/0
[  363.093275]  ? enqueue_hrtimer+0x1a5/0x560
[  363.098287] Free swap  = 0kB
[  363.101852]  ? lock_release+0x970/0x970
[  363.105628] Total swap = 0kB
[  363.111004]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  363.115227] 1965979 pages RAM
[  363.118263]  ? find_held_lock+0x36/0x1c0
[  363.122223] 0 pages HighMem/MovableOnly
[  363.125278]  ? graph_lock+0x170/0x170
[  363.130452] 342744 pages reserved
[  363.133574]  ? pvclock_read_flags+0x160/0x160
[  363.137611] 0 pages cma reserved
[  363.141593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.145469] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  363.148823]  ? check_preemption_disabled+0x48/0x200
[  363.148848]  ? __lock_is_held+0xb5/0x140
[  363.148871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.153429] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  363.156733]  ? check_preemption_disabled+0x48/0x200
[  363.162254] ksoftirqd/1 cpuset=
[  363.168772]  run_timer_softirq+0x52/0xb0
[  363.173790] /
[  363.177869]  ? rcu_read_lock_sched_held+0x108/0x120
[  363.183393]  mems_allowed=0
[  363.193727]  __do_softirq+0x30b/0xad8
[  363.219541]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  363.224767]  ? pvclock_read_flags+0x160/0x160
[  363.229283]  ? lapic_next_event+0x5a/0x90
[  363.233471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.239039]  ? check_preemption_disabled+0x48/0x200
[  363.244068]  ? check_preemption_disabled+0x48/0x200
[  363.249146]  ? kvm_clock_read+0x18/0x30
[  363.253166]  ? kvm_sched_clock_read+0x9/0x20
[  363.257608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.263178]  ? check_preemption_disabled+0x48/0x200
[  363.268234]  irq_exit+0x17f/0x1c0
[  363.271717]  smp_apic_timer_interrupt+0x1cb/0x760
[  363.276588]  ? smp_reschedule_interrupt+0x109/0x650
[  363.281635]  ? smp_call_function_single_interrupt+0x650/0x650
[  363.287551]  ? interrupt_entry+0xb5/0xf0
[  363.291662]  ? trace_hardirqs_off_caller+0xbb/0x300
[  363.298227]  ? trace_hardirqs_off_caller+0xbb/0x300
[  363.303267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.308131]  ? trace_hardirqs_off+0x300/0x300
[  363.312642]  ? trace_hardirqs_off+0x300/0x300
[  363.317160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.322720]  ? check_preemption_disabled+0x48/0x200
[  363.327761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.333337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.338209]  apic_timer_interrupt+0xf/0x20
[  363.342446]  </IRQ>
[  363.344704] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  363.349664] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  363.368584] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  363.376721] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  363.384018] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  363.391319] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  363.398624] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  363.405911] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  363.413247]  skb_clone+0x1bb/0x500
[  363.416806]  ? skb_split+0x11e0/0x11e0
[  363.420705]  ? preempt_notifier_register+0x200/0x200
[  363.425819]  ? __switch_to_asm+0x34/0x70
[  363.430398]  ? __switch_to_asm+0x34/0x70
[  363.434491]  ? __switch_to_asm+0x40/0x70
[  363.438563]  ? __switch_to_asm+0x34/0x70
[  363.442646]  ? __switch_to_asm+0x40/0x70
[  363.446726]  ? __switch_to_asm+0x40/0x70
[  363.450797]  ? __switch_to_asm+0x34/0x70
[  363.454860]  ? __switch_to_asm+0x34/0x70
[  363.458923]  ? __switch_to_asm+0x40/0x70
[  363.462984]  ? __switch_to_asm+0x34/0x70
[  363.467063]  bpf_clone_redirect+0xb9/0x490
[  363.471314]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  363.476341]  ? __sched_text_start+0x8/0x8
[  363.480507]  ? lockdep_hardirqs_on+0x421/0x5c0
[  363.485105]  ? retint_kernel+0x2d/0x2d
[  363.488997]  ? trace_hardirqs_on_caller+0xc0/0x300
[  363.493939]  ? find_held_lock+0x36/0x1c0
[  363.498010]  ? lock_acquire+0x1ed/0x520
[  363.501998]  ? bpf_test_run+0x32e/0x5a0
[  363.505976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.511521]  ? check_preemption_disabled+0x48/0x200
[  363.516554]  ? kasan_check_read+0x11/0x20
[  363.520739]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  363.526032]  ? rcu_bh_qs+0xc0/0xc0
[  363.529582]  ? preempt_schedule+0x4d/0x60
[  363.533731]  ? ___preempt_schedule+0x16/0x18
[  363.538161]  ? bpf_test_run+0x1c0/0x5a0
[  363.542152]  ? netlink_diag_dump+0x2a0/0x2a0
[  363.546571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.552126]  ? bpf_test_init.isra.9+0x70/0x100
[  363.556719]  ? bpf_prog_test_run_skb+0x634/0xb40
[  363.561500]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  363.566350]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  363.571896]  ? fput+0x130/0x1a0
[  363.575185]  ? __bpf_prog_get+0x9b/0x290
[  363.579252]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  363.584097]  ? bpf_prog_test_run+0x130/0x1a0
[  363.588521]  ? __x64_sys_bpf+0x3d8/0x510
[  363.592589]  ? bpf_prog_get+0x20/0x20
[  363.596403]  ? ksys_ioctl+0x81/0xd0
[  363.600043]  ? do_syscall_64+0x1b9/0x820
[  363.604107]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  363.609485]  ? syscall_return_slowpath+0x5e0/0x5e0
[  363.614423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.619274]  ? trace_hardirqs_off+0x300/0x300
[  363.623777]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  363.628803]  ? prepare_exit_to_usermode+0x291/0x3b0
[  363.633829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.638706]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  363.644116] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  363.644215] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  363.650962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.650968] Call Trace:
[  363.650988]  dump_stack+0x1c4/0x2b4
[  363.651002]  ? dump_stack_print_info.cold.2+0x52/0x52
[  363.651032]  warn_alloc.cold.118+0xb7/0x1bd
[  363.657624] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  363.666892]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  363.669454] syz-executor0 cpuset=
[  363.673084]  ? lock_downgrade+0x900/0x900
[  363.678255] syz0
[  363.682580]  ? trace_hardirqs_off+0xb8/0x300
[  363.693047]  mems_allowed=0
[  363.697898]  ? trace_hardirqs_off+0xb8/0x300
[  363.719207]  __alloc_pages_slowpath+0x2667/0x2d80
[  363.724117]  ? warn_alloc+0x120/0x120
[  363.727938]  ? warn_alloc+0x120/0x120
[  363.731749]  ? print_usage_bug+0xc0/0xc0
[  363.735818]  ? warn_alloc+0x120/0x120
[  363.739635]  ? print_usage_bug+0xc0/0xc0
[  363.743715]  ? __lock_acquire+0x7ec/0x4ec0
[  363.747952]  ? __lock_acquire+0x7ec/0x4ec0
[  363.752197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.757756]  ? should_fail+0x22d/0xd01
[  363.761657]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.766784]  ? __lock_acquire+0x7ec/0x4ec0
[  363.771033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.776141]  ? __lock_acquire+0x7ec/0x4ec0
[  363.780386]  ? should_fail+0x22d/0xd01
[  363.784299]  ? mark_held_locks+0x130/0x130
[  363.788543]  ? mark_held_locks+0x130/0x130
[  363.792783]  ? graph_lock+0x170/0x170
[  363.796589]  ? graph_lock+0x170/0x170
[  363.800403]  ? graph_lock+0x170/0x170
[  363.804220]  ? print_usage_bug+0xc0/0xc0
[  363.808300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.813848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.819421]  ? check_preemption_disabled+0x48/0x200
[  363.824464]  ? check_preemption_disabled+0x48/0x200
[  363.829532]  ? __lock_is_held+0xb5/0x140
[  363.833618]  __alloc_pages_nodemask+0xa80/0xde0
[  363.838308]  ? graph_lock+0x170/0x170
[  363.842131]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  363.847156]  ? graph_lock+0x170/0x170
[  363.850981]  ? find_held_lock+0x36/0x1c0
[  363.855068]  ? ____cache_alloc_node+0x1c7/0x1e0
[  363.859752]  ? lock_downgrade+0x900/0x900
[  363.863921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.869491]  cache_grow_begin+0x91/0x8c0
[  363.873566]  ? do_raw_spin_unlock+0xa7/0x2f0
[  363.877998]  fallback_alloc+0x203/0x2e0
[  363.881992]  ____cache_alloc_node+0x1c7/0x1e0
[  363.886521]  kmem_cache_alloc_node+0xe3/0x730
[  363.891036]  ? ipv6_get_ifaddr+0x42e/0x620
[  363.895297]  __alloc_skb+0x119/0x770
[  363.899022]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  363.904316]  ? skb_scrub_packet+0x490/0x490
[  363.908646]  ? lock_downgrade+0x900/0x900
[  363.912809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.918360]  ? refcount_sub_and_test_checked+0x203/0x310
[  363.923830]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  363.929293]  ? addrconf_rs_timer+0x6f0/0x6f0
[  363.933727]  ndisc_alloc_skb+0x144/0x340
[  363.937810]  ndisc_send_rs+0x331/0x6e0
[  363.941724]  addrconf_rs_timer+0x3c0/0x6f0
[  363.945981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.950238]  call_timer_fn+0x272/0x920
[  363.954151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.958400]  ? process_timeout+0x40/0x40
[  363.962468]  ? find_held_lock+0x36/0x1c0
[  363.966557]  ? __run_timers+0x7da/0xc70
[  363.970548]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.975052]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.979557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.983811]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  363.988415]  ? trace_hardirqs_on+0xbd/0x310
[  363.992746]  ? kasan_check_read+0x11/0x20
[  363.996915]  ? __run_timers+0x7da/0xc70
[  364.000905]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  364.006373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.010634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.014888]  __run_timers+0x7e5/0xc70
[  364.018712]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  364.024089]  ? compat_start_thread+0x80/0x80
[  364.028521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.034077]  ? _raw_spin_unlock_irq+0x60/0x80
[  364.038586]  ? finish_task_switch+0x1f5/0x900
[  364.043093]  ? finish_task_switch+0x1b5/0x900
[  364.047600]  ? __switch_to_asm+0x34/0x70
[  364.051686]  ? preempt_notifier_register+0x200/0x200
[  364.056802]  ? __switch_to_asm+0x34/0x70
[  364.060875]  ? __switch_to_asm+0x40/0x70
[  364.064948]  ? __switch_to_asm+0x34/0x70
[  364.069021]  ? __switch_to_asm+0x40/0x70
[  364.073089]  ? __switch_to_asm+0x34/0x70
[  364.077167]  ? __switch_to_asm+0x40/0x70
[  364.081272]  ? __switch_to_asm+0x40/0x70
[  364.085379]  ? pvclock_read_flags+0x160/0x160
[  364.089898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.095459]  ? check_preemption_disabled+0x48/0x200
[  364.100525]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  364.105827]  ? rcu_pm_notify+0xc0/0xc0
[  364.109737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.115304]  ? check_preemption_disabled+0x48/0x200
[  364.120349]  run_timer_softirq+0x52/0xb0
[  364.124428]  ? rcu_read_lock_sched_held+0x108/0x120
[  364.129462]  __do_softirq+0x30b/0xad8
[  364.133305]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  364.138437]  ? trace_hardirqs_off_caller+0x300/0x300
[  364.143573]  ? schedule+0x108/0x460
[  364.147212]  ? __schedule+0x1ed0/0x1ed0
[  364.151202]  ? trace_hardirqs_off+0xb8/0x300
[  364.155618]  ? ___might_sleep+0x1ed/0x300
[  364.159770]  ? smpboot_thread_fn+0x68b/0xa00
[  364.164185]  ? trace_hardirqs_on+0x310/0x310
[  364.168605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.174184]  ? check_preemption_disabled+0x48/0x200
[  364.179241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.184818]  ? takeover_tasklets+0xa90/0xa90
[  364.189268]  run_ksoftirqd+0x94/0x100
[  364.193084]  smpboot_thread_fn+0x68b/0xa00
[  364.197339]  ? sort_range+0x30/0x30
[  364.200978]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  364.206099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.211656]  ? __kthread_parkme+0xfb/0x1a0
[  364.215910]  kthread+0x35a/0x420
[  364.219287]  ? sort_range+0x30/0x30
[  364.222921]  ? kthread_bind+0x40/0x40
[  364.226734]  ret_from_fork+0x3a/0x50
[  364.230472] warn_alloc_show_mem: 1 callbacks suppressed
[  364.230495] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  364.230497] Mem-Info:
[  364.230530] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  364.230530]  active_file:28 inactive_file:21 isolated_file:0
[  364.230530]  unevictable:0 dirty:0 writeback:0 unstable:0
[  364.230530]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  364.230530]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  364.230530]  free:13666 free_pcp:197 free_cma:0
[  364.235876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  364.243167] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  364.245584] Call Trace:
[  364.278654] Node 0 
[  364.288017]  <IRQ>
[  364.315890] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  364.318481]  dump_stack+0x1c4/0x2b4
[  364.320685] lowmem_reserve[]: 0
[  364.322865]  ? dump_stack_print_info.cold.2+0x52/0x52
[  364.348359]  2817
[  364.352015]  warn_alloc.cold.118+0xb7/0x1bd
[  364.355254]  6321
[  364.360459]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.362501]  6321
[  364.366825]  ? lock_downgrade+0x900/0x900
[  364.368861] Node 0 
[  364.373713]  ? trace_hardirqs_off+0xb8/0x300
[  364.375768] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  364.379898]  ? trace_hardirqs_off+0xb8/0x300
[  364.382110] lowmem_reserve[]:
[  364.386534]  __alloc_pages_slowpath+0x2667/0x2d80
[  364.413235]  0
[  364.417686]  ? warn_alloc+0x120/0x120
[  364.420731]  0
[  364.425580]  ? trace_hardirqs_on+0x310/0x310
[  364.427818]  3503
[  364.431632]  ? warn_alloc+0x120/0x120
[  364.433411]  3503
[  364.437835]  ? print_usage_bug+0xc0/0xc0
[  364.443677]  ? warn_alloc+0x120/0x120
[  364.445716] Node 0 
[  364.449791]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  364.453611] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  364.455831]  ? print_usage_bug+0xc0/0xc0
[  364.460832] lowmem_reserve[]:
[  364.489396]  ? __lock_acquire+0x7ec/0x4ec0
[  364.493442]  0
[  364.496576]  ? __lock_acquire+0x7ec/0x4ec0
[  364.500781]  0 0
[  364.502601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.506806]  0
[  364.508791]  ? should_fail+0x22d/0xd01
[  364.516111]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.519971] Node 0 DMA: 
[  364.525100]  ? __lock_acquire+0x7ec/0x4ec0
[  364.525120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.527777] 1*4kB 
[  364.532021]  ? __lock_acquire+0x7ec/0x4ec0
[  364.537098] (U) 
[  364.539254]  ? should_fail+0x22d/0xd01
[  364.543469] 0*8kB 
[  364.545465]  ? print_usage_bug+0xc0/0xc0
[  364.549322] 0*16kB 1*32kB 
[  364.551508]  ? mark_held_locks+0x130/0x130
[  364.555541] (U) 
[  364.558392]  ? mark_held_locks+0x130/0x130
[  364.562595] 2*64kB (U) 
[  364.564592]  ? graph_lock+0x170/0x170
[  364.568808] 1*128kB 
[  364.571497]  ? print_usage_bug+0xc0/0xc0
[  364.575278] (U) 
[  364.577612]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  364.581643] 1*256kB 
[  364.583625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.588348] (U) 
[  364.590688]  ? check_preemption_disabled+0x48/0x200
[  364.596191] 0*512kB 1*1024kB 
[  364.598192]  ? check_preemption_disabled+0x48/0x200
[  364.603187] (U) 
[  364.606310]  ? __lock_is_held+0xb5/0x140
[  364.611288] 1*2048kB (M) 
[  364.613313]  __alloc_pages_nodemask+0xa80/0xde0
[  364.617335] 3*4096kB (M) 
[  364.620107]  ? graph_lock+0x170/0x170
[  364.624759] = 15908kB
[  364.627523]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  364.631311] Node 0 
[  364.633716]  ? graph_lock+0x170/0x170
[  364.638702] DMA32: 
[  364.640946]  ? find_held_lock+0x36/0x1c0
[  364.644707] 2*4kB 
[  364.646942]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.650974] (M) 
[  364.653121]  ? lock_downgrade+0x900/0x900
[  364.657763] 0*8kB 
[  364.659757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.663874] 3*16kB 
[  364.666022]  cache_grow_begin+0x91/0x8c0
[  364.671528] (M) 
[  364.673773]  ? do_raw_spin_unlock+0xa7/0x2f0
[  364.677795] 2*32kB (UM) 
[  364.679785]  fallback_alloc+0x203/0x2e0
[  364.684167] 2*64kB (M) 
[  364.686875]  ____cache_alloc_node+0x1c7/0x1e0
[  364.690836] 4*128kB 
[  364.693422]  kmem_cache_alloc_node+0xe3/0x730
[  364.697884] (UM) 
[  364.700204]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.704671] 2*256kB (M) 
[  364.706758]  __alloc_skb+0x119/0x770
[  364.710959] 4*512kB 
[  364.713633]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  364.717315] (UM) 
[  364.719636]  ? skb_scrub_packet+0x490/0x490
[  364.724878] 3*1024kB (M) 
[  364.726950]  ? lock_downgrade+0x900/0x900
[  364.731243] 3*2048kB (UM) 
[  364.734115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.738235] 3*4096kB 
[  364.741081]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.746590] (M) 
[  364.748998]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  364.754424] = 24824kB
[  364.756397]  ? addrconf_rs_timer+0x6f0/0x6f0
[  364.761821] Node 0 
[  364.764239]  ndisc_alloc_skb+0x144/0x340
[  364.768610] Normal: 
[  364.770849]  ndisc_send_rs+0x331/0x6e0
[  364.774884] 981*4kB 
[  364.777207]  addrconf_rs_timer+0x3c0/0x6f0
[  364.781067] (UMEH) 
[  364.783393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.787600] 521*8kB 
[  364.789842]  call_timer_fn+0x272/0x920
[  364.794041] (MEH) 
[  364.796364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.800225] 165*16kB 
[  364.802370]  ? process_timeout+0x40/0x40
[  364.806576] (UMEH) 
[  364.808987]  ? find_held_lock+0x36/0x1c0
[  364.813024] 24*32kB 
[  364.815263]  ? __run_timers+0x7da/0xc70
[  364.819295] (MEH) 
[  364.821615]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.825557] 4*64kB (MH) 
[  364.827709]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.832175] 3*128kB (UH) 
[  364.834869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.839339] 1*256kB 
[  364.842094]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  364.846301] (U) 
[  364.848619]  ? trace_hardirqs_on+0xbd/0x310
[  364.853175] 1*512kB 
[  364.855151]  ? kasan_check_read+0x11/0x20
[  364.859446] (U) 
[  364.861769]  ? __run_timers+0x7da/0xc70
[  364.865887] 1*1024kB 
[  364.867863]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  364.871804] (H) 0*2048kB 
[  364.874225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.879651] 0*4096kB = 13932kB
[  364.882421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.886633] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  364.889821]  __run_timers+0x7e5/0xc70
[  364.894036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  364.902893]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  364.906661] 4507 total pagecache pages
[  364.915237]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  364.920604] 0 pages in swap cache
[  364.924490]  ? graph_lock+0x170/0x170
[  364.929487] Swap cache stats: add 0, delete 0, find 0/0
[  364.929495] Free swap  = 0kB
[  364.932944]  ? enqueue_hrtimer+0x1a5/0x560
[  364.936743] Total swap = 0kB
[  364.942110]  ? lock_release+0x970/0x970
[  364.945103] 1965979 pages RAM
[  364.949338]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  364.952330] 0 pages HighMem/MovableOnly
[  364.956308]  ? find_held_lock+0x36/0x1c0
[  364.959381] 342744 pages reserved
[  364.959390] 0 pages cma reserved
[  364.964582]  ? graph_lock+0x170/0x170
[  364.968616] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.972592]  ? pvclock_read_flags+0x160/0x160
[  364.976139] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.979383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.983157] ksoftirqd/1 cpuset=
[  364.989664]  ? check_preemption_disabled+0x48/0x200
[  364.994141] /
[  365.004487]  ? __lock_is_held+0xb5/0x140
[  365.009999]  mems_allowed=0
[  365.013275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.032489]  ? check_preemption_disabled+0x48/0x200
[  365.037536]  run_timer_softirq+0x52/0xb0
[  365.041617]  ? rcu_read_lock_sched_held+0x108/0x120
[  365.046649]  __do_softirq+0x30b/0xad8
[  365.050493]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  365.055616]  ? pvclock_read_flags+0x160/0x160
[  365.060121]  ? lapic_next_event+0x5a/0x90
[  365.064281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.069827]  ? check_preemption_disabled+0x48/0x200
[  365.074850]  ? check_preemption_disabled+0x48/0x200
[  365.079879]  ? kvm_clock_read+0x18/0x30
[  365.083859]  ? kvm_sched_clock_read+0x9/0x20
[  365.088280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.093822]  ? check_preemption_disabled+0x48/0x200
[  365.098861]  irq_exit+0x17f/0x1c0
[  365.102325]  smp_apic_timer_interrupt+0x1cb/0x760
[  365.107173]  ? smp_reschedule_interrupt+0x109/0x650
[  365.112200]  ? smp_call_function_single_interrupt+0x650/0x650
[  365.118092]  ? interrupt_entry+0xb5/0xf0
[  365.122159]  ? trace_hardirqs_off_caller+0xbb/0x300
[  365.127181]  ? trace_hardirqs_off_caller+0xbb/0x300
[  365.132206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.137055]  ? trace_hardirqs_off+0x300/0x300
[  365.141558]  ? trace_hardirqs_off+0x300/0x300
[  365.146060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.151615]  ? check_preemption_disabled+0x48/0x200
[  365.156635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.162195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.167057]  apic_timer_interrupt+0xf/0x20
[  365.171287]  </IRQ>
[  365.173529] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  365.178463] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  365.197403] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  365.205137] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  365.212427] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  365.219706] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  365.226995] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  365.234285] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  365.241618]  skb_clone+0x1bb/0x500
[  365.245176]  ? skb_split+0x11e0/0x11e0
[  365.249075]  ? preempt_notifier_register+0x200/0x200
[  365.254187]  ? __switch_to_asm+0x34/0x70
[  365.258257]  ? __switch_to_asm+0x34/0x70
[  365.262348]  ? __switch_to_asm+0x40/0x70
[  365.266421]  ? __switch_to_asm+0x34/0x70
[  365.270490]  ? __switch_to_asm+0x40/0x70
[  365.274574]  ? __switch_to_asm+0x40/0x70
[  365.278642]  ? __switch_to_asm+0x34/0x70
[  365.282712]  ? __switch_to_asm+0x34/0x70
[  365.286777]  ? __switch_to_asm+0x40/0x70
[  365.290837]  ? __switch_to_asm+0x34/0x70
[  365.294915]  bpf_clone_redirect+0xb9/0x490
[  365.299662]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  365.304691]  ? __sched_text_start+0x8/0x8
[  365.308848]  ? lockdep_hardirqs_on+0x421/0x5c0
[  365.313443]  ? retint_kernel+0x2d/0x2d
[  365.317341]  ? trace_hardirqs_on_caller+0xc0/0x300
[  365.322281]  ? find_held_lock+0x36/0x1c0
[  365.326351]  ? lock_acquire+0x1ed/0x520
[  365.330327]  ? bpf_test_run+0x32e/0x5a0
[  365.334308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.339854]  ? check_preemption_disabled+0x48/0x200
[  365.344881]  ? kasan_check_read+0x11/0x20
[  365.349036]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  365.354317]  ? rcu_bh_qs+0xc0/0xc0
[  365.357865]  ? preempt_schedule+0x4d/0x60
[  365.362016]  ? ___preempt_schedule+0x16/0x18
[  365.366433]  ? bpf_test_run+0x1c0/0x5a0
[  365.370424]  ? netlink_diag_dump+0x2a0/0x2a0
[  365.374839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.380378]  ? bpf_test_init.isra.9+0x70/0x100
[  365.384975]  ? bpf_prog_test_run_skb+0x634/0xb40
[  365.389765]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  365.394618]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  365.400170]  ? fput+0x130/0x1a0
[  365.403460]  ? __bpf_prog_get+0x9b/0x290
[  365.407537]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  365.412389]  ? bpf_prog_test_run+0x130/0x1a0
[  365.416806]  ? __x64_sys_bpf+0x3d8/0x510
[  365.420873]  ? bpf_prog_get+0x20/0x20
[  365.424686]  ? ksys_ioctl+0x81/0xd0
[  365.428833]  ? do_syscall_64+0x1b9/0x820
[  365.432897]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  365.438270]  ? syscall_return_slowpath+0x5e0/0x5e0
[  365.443206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.448056]  ? trace_hardirqs_off+0x300/0x300
[  365.452557]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  365.457601]  ? prepare_exit_to_usermode+0x291/0x3b0
[  365.462630]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.467497]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  365.472890] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  365.472972] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  365.479734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.479740] Call Trace:
[  365.479761]  dump_stack+0x1c4/0x2b4
[  365.479777]  ? dump_stack_print_info.cold.2+0x52/0x52
[  365.479805]  warn_alloc.cold.118+0xb7/0x1bd
[  365.486379] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.495642]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.498199] syz-executor0 cpuset=
[  365.501834]  ? lock_downgrade+0x900/0x900
[  365.507000] syz0
[  365.511325]  ? trace_hardirqs_off+0xb8/0x300
[  365.521787]  mems_allowed=0
[  365.526630]  ? trace_hardirqs_off+0xb8/0x300
[  365.548010]  __alloc_pages_slowpath+0x2667/0x2d80
[  365.552898]  ? warn_alloc+0x120/0x120
[  365.556715]  ? warn_alloc+0x120/0x120
[  365.560529]  ? print_usage_bug+0xc0/0xc0
[  365.564615]  ? warn_alloc+0x120/0x120
[  365.568423]  ? print_usage_bug+0xc0/0xc0
[  365.572499]  ? __lock_acquire+0x7ec/0x4ec0
[  365.576741]  ? __lock_acquire+0x7ec/0x4ec0
[  365.581104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.586655]  ? should_fail+0x22d/0xd01
[  365.590558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.595683]  ? __lock_acquire+0x7ec/0x4ec0
[  365.599940]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.605073]  ? __lock_acquire+0x7ec/0x4ec0
[  365.609325]  ? should_fail+0x22d/0xd01
[  365.613222]  ? print_usage_bug+0xc0/0xc0
[  365.617316]  ? mark_held_locks+0x130/0x130
[  365.621567]  ? mark_held_locks+0x130/0x130
[  365.625822]  ? graph_lock+0x170/0x170
[  365.629635]  ? print_usage_bug+0xc0/0xc0
[  365.633711]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  365.638488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.644046]  ? check_preemption_disabled+0x48/0x200
[  365.649084]  ? check_preemption_disabled+0x48/0x200
[  365.654124]  ? __lock_is_held+0xb5/0x140
[  365.658196]  __alloc_pages_nodemask+0xa80/0xde0
[  365.662869]  ? graph_lock+0x170/0x170
[  365.666685]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  365.671716]  ? graph_lock+0x170/0x170
[  365.675539]  ? find_held_lock+0x36/0x1c0
[  365.679620]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.684301]  ? lock_downgrade+0x900/0x900
[  365.688497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.694061]  cache_grow_begin+0x91/0x8c0
[  365.698137]  ? do_raw_spin_unlock+0xa7/0x2f0
[  365.702562]  fallback_alloc+0x203/0x2e0
[  365.706551]  ____cache_alloc_node+0x1c7/0x1e0
[  365.711060]  kmem_cache_alloc_node+0xe3/0x730
[  365.715585]  ? ipv6_get_ifaddr+0x42e/0x620
[  365.719842]  __alloc_skb+0x119/0x770
[  365.723565]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  365.728870]  ? skb_scrub_packet+0x490/0x490
[  365.733207]  ? lock_downgrade+0x900/0x900
[  365.737375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.742926]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.748394]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.753872]  ? addrconf_rs_timer+0x6f0/0x6f0
[  365.758307]  ndisc_alloc_skb+0x144/0x340
[  365.762391]  ndisc_send_rs+0x331/0x6e0
[  365.766324]  addrconf_rs_timer+0x3c0/0x6f0
[  365.770578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.774838]  call_timer_fn+0x272/0x920
[  365.778843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.783126]  ? process_timeout+0x40/0x40
[  365.787202]  ? find_held_lock+0x36/0x1c0
[  365.791290]  ? __run_timers+0x7da/0xc70
[  365.795277]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.799785]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.804287]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.808526]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  365.813124]  ? trace_hardirqs_on+0xbd/0x310
[  365.817450]  ? kasan_check_read+0x11/0x20
[  365.821614]  ? __run_timers+0x7da/0xc70
[  365.825593]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  365.831066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.835313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.839555]  __run_timers+0x7e5/0xc70
[  365.843379]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  365.848754]  ? compat_start_thread+0x80/0x80
[  365.853184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.858740]  ? _raw_spin_unlock_irq+0x60/0x80
[  365.863257]  ? finish_task_switch+0x1f5/0x900
[  365.867764]  ? finish_task_switch+0x1b5/0x900
[  365.872273]  ? __switch_to_asm+0x34/0x70
[  365.876347]  ? preempt_notifier_register+0x200/0x200
[  365.881468]  ? __switch_to_asm+0x34/0x70
[  365.885544]  ? __switch_to_asm+0x40/0x70
[  365.889615]  ? __switch_to_asm+0x34/0x70
[  365.893681]  ? __switch_to_asm+0x40/0x70
[  365.897748]  ? __switch_to_asm+0x34/0x70
[  365.901812]  ? __switch_to_asm+0x40/0x70
[  365.905889]  ? __switch_to_asm+0x40/0x70
[  365.909965]  ? pvclock_read_flags+0x160/0x160
[  365.914472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.920034]  ? check_preemption_disabled+0x48/0x200
[  365.925079]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  365.930379]  ? rcu_pm_notify+0xc0/0xc0
[  365.934294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.939848]  ? check_preemption_disabled+0x48/0x200
[  365.944885]  run_timer_softirq+0x52/0xb0
[  365.948952]  ? rcu_read_lock_sched_held+0x108/0x120
[  365.953978]  __do_softirq+0x30b/0xad8
[  365.957798]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  365.962925]  ? trace_hardirqs_off_caller+0x300/0x300
[  365.968045]  ? schedule+0x108/0x460
[  365.971682]  ? __schedule+0x1ed0/0x1ed0
[  365.975674]  ? trace_hardirqs_off+0xb8/0x300
[  365.980101]  ? ___might_sleep+0x1ed/0x300
[  365.984266]  ? smpboot_thread_fn+0x68b/0xa00
[  365.988685]  ? trace_hardirqs_on+0x310/0x310
[  365.993108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.998657]  ? check_preemption_disabled+0x48/0x200
[  366.003680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.009252]  ? takeover_tasklets+0xa90/0xa90
[  366.013673]  run_ksoftirqd+0x94/0x100
[  366.017504]  smpboot_thread_fn+0x68b/0xa00
[  366.021923]  ? sort_range+0x30/0x30
[  366.025558]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  366.030683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.036228]  ? __kthread_parkme+0xfb/0x1a0
[  366.040509]  kthread+0x35a/0x420
[  366.043885]  ? sort_range+0x30/0x30
[  366.047516]  ? kthread_bind+0x40/0x40
[  366.051325]  ret_from_fork+0x3a/0x50
[  366.055055] warn_alloc_show_mem: 1 callbacks suppressed
[  366.055067] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  366.055069] Mem-Info:
[  366.055102] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  366.055102]  active_file:28 inactive_file:21 isolated_file:0
[  366.055102]  unevictable:0 dirty:0 writeback:0 unstable:0
[  366.055102]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  366.055102]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  366.055102]  free:13666 free_pcp:197 free_cma:0
[  366.060439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.067716] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  366.070116] Call Trace:
[  366.103172] Node 0 
[  366.112529]  <IRQ>
[  366.140398] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  366.142965]  dump_stack+0x1c4/0x2b4
[  366.145178] lowmem_reserve[]:
[  366.147342]  ? dump_stack_print_info.cold.2+0x52/0x52
[  366.172836]  0
[  366.176491]  warn_alloc.cold.118+0xb7/0x1bd
[  366.179541]  2817
[  366.184727]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.186505]  6321
[  366.190829]  ? lock_downgrade+0x900/0x900
[  366.192862]  6321
[  366.197714]  ? trace_hardirqs_off+0xb8/0x300
[  366.199762] Node 0 
[  366.203908]  ? trace_hardirqs_off+0xb8/0x300
[  366.205970] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  366.210354]  __alloc_pages_slowpath+0x2667/0x2d80
[  366.212558] lowmem_reserve[]:
[  366.216992]  ? warn_alloc+0x120/0x120
[  366.243687]  0
[  366.248548]  ? trace_hardirqs_on+0x310/0x310
[  366.251620]  0
[  366.255424]  ? warn_alloc+0x120/0x120
[  366.257199]  3503 3503
[  366.261614]  ? print_usage_bug+0xc0/0xc0
[  366.267196]  ? warn_alloc+0x120/0x120
[  366.269671] Node 0 
[  366.273728]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  366.277531] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  366.279735]  ? print_usage_bug+0xc0/0xc0
[  366.284755] lowmem_reserve[]:
[  366.313401]  ? __lock_acquire+0x7ec/0x4ec0
[  366.317439]  0
[  366.320544]  ? __lock_acquire+0x7ec/0x4ec0
[  366.324754]  0 0
[  366.326566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.330773]  0
[  366.332752]  ? should_fail+0x22d/0xd01
[  366.338267] Node 0 
[  366.340070]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.343932] DMA: 
[  366.346163]  ? __lock_acquire+0x7ec/0x4ec0
[  366.351242] 1*4kB 
[  366.353301]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.357509] (U) 
[  366.359655]  ? __lock_acquire+0x7ec/0x4ec0
[  366.364734] 0*8kB 
[  366.366714]  ? should_fail+0x22d/0xd01
[  366.370925] 0*16kB 
[  366.373087]  ? print_usage_bug+0xc0/0xc0
[  366.376954] 1*32kB 
[  366.379201]  ? mark_held_locks+0x130/0x130
[  366.383231] (U) 
[  366.385467]  ? mark_held_locks+0x130/0x130
[  366.389681] 2*64kB 
[  366.391657]  ? graph_lock+0x170/0x170
[  366.395861] (U) 
[  366.398094]  ? print_usage_bug+0xc0/0xc0
[  366.401869] 1*128kB 
[  366.403841]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  366.407877] (U) 
[  366.410199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.414927] 1*256kB 
[  366.416900]  ? check_preemption_disabled+0x48/0x200
[  366.422426] (U) 0*512kB 
[  366.424763]  ? check_preemption_disabled+0x48/0x200
[  366.429745] 1*1024kB (U) 
[  366.432442]  ? __lock_is_held+0xb5/0x140
[  366.437415] 1*2048kB (M) 
[  366.440181]  __alloc_pages_nodemask+0xa80/0xde0
[  366.444211] 3*4096kB 
[  366.446964]  ? graph_lock+0x170/0x170
[  366.451624] (M) 
[  366.454031]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  366.457808] = 15908kB
[  366.459780]  ? graph_lock+0x170/0x170
[  366.464776] Node 0 
[  366.467233]  ? find_held_lock+0x36/0x1c0
[  366.470995] DMA32: 
[  366.473237]  ? ____cache_alloc_node+0x1c7/0x1e0
[  366.477269] 2*4kB 
[  366.479506]  ? lock_downgrade+0x900/0x900
[  366.484152] (M) 
[  366.486301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.490416] 0*8kB 3*16kB 
[  366.492399]  cache_grow_begin+0x91/0x8c0
[  366.497908] (M) 
[  366.500671]  ? do_raw_spin_unlock+0xa7/0x2f0
[  366.504708] 2*32kB 
[  366.506686]  fallback_alloc+0x203/0x2e0
[  366.511087] (UM) 
[  366.513323]  ____cache_alloc_node+0x1c7/0x1e0
[  366.517270] 2*64kB 
[  366.519331]  kmem_cache_alloc_node+0xe3/0x730
[  366.523811] (M) 
[  366.526048]  ? ipv6_get_ifaddr+0x42e/0x620
[  366.530519] 4*128kB 
[  366.532524]  __alloc_skb+0x119/0x770
[  366.536730] (UM) 
[  366.539067]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  366.542756] 2*256kB 
[  366.544818]  ? skb_scrub_packet+0x490/0x490
[  366.550065] (M) 
[  366.552388]  ? lock_downgrade+0x900/0x900
[  366.556679] 4*512kB (UM) 
[  366.558671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.562785] 3*1024kB (M) 
[  366.565553]  ? refcount_sub_and_test_checked+0x203/0x310
[  366.571396] 3*2048kB 
[  366.574153]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  366.579573] (UM) 
[  366.581992]  ? addrconf_rs_timer+0x6f0/0x6f0
[  366.587417] 3*4096kB 
[  366.589509]  ndisc_alloc_skb+0x144/0x340
[  366.593882] (M) 
[  366.596301]  ndisc_send_rs+0x331/0x6e0
[  366.600334] = 24824kB
[  366.602309]  addrconf_rs_timer+0x3c0/0x6f0
[  366.606171] Node 0 
[  366.608597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.612828] Normal: 
[  366.615079]  call_timer_fn+0x272/0x920
[  366.619367] 981*4kB 
[  366.621691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.625554] (UMEH) 
[  366.627885]  ? process_timeout+0x40/0x40
[  366.632098] 521*8kB 
[  366.634346]  ? find_held_lock+0x36/0x1c0
[  366.638396] (MEH) 165*16kB 
[  366.640736]  ? __run_timers+0x7da/0xc70
[  366.644767] (UMEH) 
[  366.647698]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.651645] 24*32kB 
[  366.653874]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.658345] (MEH) 
[  366.660666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.665151] 4*64kB 
[  366.667300]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  366.671509] (MH) 
[  366.673743]  ? trace_hardirqs_on+0xbd/0x310
[  366.678297] 3*128kB 
[  366.680356]  ? kasan_check_read+0x11/0x20
[  366.684653] (UH) 
[  366.686976]  ? __run_timers+0x7da/0xc70
[  366.691110] 1*256kB 
[  366.693171]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  366.697138] (U) 
[  366.699463]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.704890] 1*512kB 
[  366.706865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.711071] (U) 
[  366.713396]  __run_timers+0x7e5/0xc70
[  366.717606] 1*1024kB 
[  366.719588]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  366.723354] (H) 
[  366.725779]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  366.731120] 0*2048kB 0*4096kB 
[  366.733103]  ? graph_lock+0x170/0x170
[  366.738103] = 13932kB
[  366.741293]  ? enqueue_hrtimer+0x1a5/0x560
[  366.745072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  366.747470]  ? lock_release+0x970/0x970
[  366.751694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  366.760538]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  366.764515] 4507 total pagecache pages
[  366.773113]  ? find_held_lock+0x36/0x1c0
[  366.778286] 0 pages in swap cache
[  366.782180]  ? graph_lock+0x170/0x170
[  366.786220] Swap cache stats: add 0, delete 0, find 0/0
[  366.789677]  ? pvclock_read_flags+0x160/0x160
[  366.793455] Free swap  = 0kB
[  366.793465] Total swap = 0kB
[  366.798846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.803317] 1965979 pages RAM
[  366.806338]  ? check_preemption_disabled+0x48/0x200
[  366.809341] 0 pages HighMem/MovableOnly
[  366.814922]  ? __lock_is_held+0xb5/0x140
[  366.817995] 342744 pages reserved
[  366.823013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.826960] 0 pages cma reserved
[  366.827052] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  366.831029]  ? check_preemption_disabled+0x48/0x200
[  366.834533] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  366.840007]  run_timer_softirq+0x52/0xb0
[  366.843343] ksoftirqd/1 cpuset=
[  366.849846]  ? rcu_read_lock_sched_held+0x108/0x120
[  366.854839] /
[  366.865175]  __do_softirq+0x30b/0xad8
[  366.869212]  mems_allowed=0
[  366.872506]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  366.891029]  ? pvclock_read_flags+0x160/0x160
[  366.895534]  ? lapic_next_event+0x5a/0x90
[  366.899690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.905238]  ? check_preemption_disabled+0x48/0x200
[  366.910345]  ? check_preemption_disabled+0x48/0x200
[  366.915378]  ? kvm_clock_read+0x18/0x30
[  366.919355]  ? kvm_sched_clock_read+0x9/0x20
[  366.923785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.929344]  ? check_preemption_disabled+0x48/0x200
[  366.934384]  irq_exit+0x17f/0x1c0
[  366.937853]  smp_apic_timer_interrupt+0x1cb/0x760
[  366.942718]  ? smp_reschedule_interrupt+0x109/0x650
[  366.947761]  ? smp_call_function_single_interrupt+0x650/0x650
[  366.953659]  ? interrupt_entry+0xb5/0xf0
[  366.957727]  ? trace_hardirqs_off_caller+0xbb/0x300
[  366.962761]  ? trace_hardirqs_off_caller+0xbb/0x300
[  366.967792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.972639]  ? trace_hardirqs_off+0x300/0x300
[  366.977139]  ? trace_hardirqs_off+0x300/0x300
[  366.981640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.987182]  ? check_preemption_disabled+0x48/0x200
[  366.992200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.997758]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.002622]  apic_timer_interrupt+0xf/0x20
[  367.006861]  </IRQ>
[  367.009105] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  367.014041] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  367.032955] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  367.040693] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  367.047973] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  367.055242] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  367.062517] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  367.069791] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  367.077185]  skb_clone+0x1bb/0x500
[  367.080733]  ? skb_split+0x11e0/0x11e0
[  367.084637]  ? preempt_notifier_register+0x200/0x200
[  367.089744]  ? __switch_to_asm+0x34/0x70
[  367.093819]  ? __switch_to_asm+0x34/0x70
[  367.097880]  ? __switch_to_asm+0x40/0x70
[  367.101941]  ? __switch_to_asm+0x34/0x70
[  367.106008]  ? __switch_to_asm+0x40/0x70
[  367.110106]  ? __switch_to_asm+0x40/0x70
[  367.114176]  ? __switch_to_asm+0x34/0x70
[  367.118241]  ? __switch_to_asm+0x34/0x70
[  367.122304]  ? __switch_to_asm+0x40/0x70
[  367.126379]  ? __switch_to_asm+0x34/0x70
[  367.130456]  bpf_clone_redirect+0xb9/0x490
[  367.134729]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  367.139769]  ? __sched_text_start+0x8/0x8
[  367.143924]  ? lockdep_hardirqs_on+0x421/0x5c0
[  367.148513]  ? retint_kernel+0x2d/0x2d
[  367.152405]  ? trace_hardirqs_on_caller+0xc0/0x300
[  367.157373]  ? find_held_lock+0x36/0x1c0
[  367.161445]  ? lock_acquire+0x1ed/0x520
[  367.165439]  ? bpf_test_run+0x32e/0x5a0
[  367.169421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.174970]  ? check_preemption_disabled+0x48/0x200
[  367.179998]  ? kasan_check_read+0x11/0x20
[  367.184159]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  367.189451]  ? rcu_bh_qs+0xc0/0xc0
[  367.193007]  ? preempt_schedule+0x4d/0x60
[  367.197167]  ? ___preempt_schedule+0x16/0x18
[  367.201592]  ? bpf_test_run+0x1c0/0x5a0
[  367.205580]  ? netlink_diag_dump+0x2a0/0x2a0
[  367.210016]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.215562]  ? bpf_test_init.isra.9+0x70/0x100
[  367.220157]  ? bpf_prog_test_run_skb+0x634/0xb40
[  367.224925]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  367.229774]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  367.235318]  ? fput+0x130/0x1a0
[  367.238604]  ? __bpf_prog_get+0x9b/0x290
[  367.242676]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  367.247528]  ? bpf_prog_test_run+0x130/0x1a0
[  367.251943]  ? __x64_sys_bpf+0x3d8/0x510
[  367.256012]  ? bpf_prog_get+0x20/0x20
[  367.259828]  ? ksys_ioctl+0x81/0xd0
[  367.263473]  ? do_syscall_64+0x1b9/0x820
[  367.267551]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  367.272926]  ? syscall_return_slowpath+0x5e0/0x5e0
[  367.277863]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.282712]  ? trace_hardirqs_off+0x300/0x300
[  367.287213]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  367.292234]  ? prepare_exit_to_usermode+0x291/0x3b0
[  367.297744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.302609]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  367.308001] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  367.308102] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.314845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.314854] Call Trace:
[  367.321446] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.330695]  dump_stack+0x1c4/0x2b4
[  367.333261] syz-executor0 cpuset=
[  367.343755]  ? dump_stack_print_info.cold.2+0x52/0x52
[  367.347363] syz0
[  367.350819]  warn_alloc.cold.118+0xb7/0x1bd
[  367.355989]  mems_allowed=0
[  367.357957]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.370028]  ? lock_downgrade+0x900/0x900
[  367.374195]  ? trace_hardirqs_off+0xb8/0x300
[  367.378640]  ? trace_hardirqs_off+0xb8/0x300
[  367.383072]  __alloc_pages_slowpath+0x2667/0x2d80
[  367.387959]  ? warn_alloc+0x120/0x120
[  367.391773]  ? warn_alloc+0x120/0x120
[  367.395586]  ? print_usage_bug+0xc0/0xc0
[  367.399654]  ? warn_alloc+0x120/0x120
[  367.403459]  ? print_usage_bug+0xc0/0xc0
[  367.407536]  ? __lock_acquire+0x7ec/0x4ec0
[  367.411774]  ? __lock_acquire+0x7ec/0x4ec0
[  367.416018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.421591]  ? should_fail+0x22d/0xd01
[  367.425494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.431066]  ? __lock_acquire+0x7ec/0x4ec0
[  367.435308]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.440412]  ? __lock_acquire+0x7ec/0x4ec0
[  367.445180]  ? should_fail+0x22d/0xd01
[  367.449080]  ? mark_held_locks+0x130/0x130
[  367.453321]  ? mark_held_locks+0x130/0x130
[  367.457561]  ? graph_lock+0x170/0x170
[  367.461366]  ? graph_lock+0x170/0x170
[  367.465174]  ? graph_lock+0x170/0x170
[  367.468994]  ? print_usage_bug+0xc0/0xc0
[  367.473057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.478601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.484141]  ? check_preemption_disabled+0x48/0x200
[  367.489160]  ? check_preemption_disabled+0x48/0x200
[  367.494190]  ? __lock_is_held+0xb5/0x140
[  367.498280]  __alloc_pages_nodemask+0xa80/0xde0
[  367.502955]  ? graph_lock+0x170/0x170
[  367.506763]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  367.511778]  ? graph_lock+0x170/0x170
[  367.515593]  ? find_held_lock+0x36/0x1c0
[  367.519676]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.524348]  ? lock_downgrade+0x900/0x900
[  367.528517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.534063]  cache_grow_begin+0x91/0x8c0
[  367.538129]  ? do_raw_spin_unlock+0xa7/0x2f0
[  367.542550]  fallback_alloc+0x203/0x2e0
[  367.546539]  ____cache_alloc_node+0x1c7/0x1e0
[  367.551045]  kmem_cache_alloc_node+0xe3/0x730
[  367.555545]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.559797]  __alloc_skb+0x119/0x770
[  367.563522]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  367.568808]  ? skb_scrub_packet+0x490/0x490
[  367.573135]  ? lock_downgrade+0x900/0x900
[  367.577305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.582855]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.588318]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.593772]  ? addrconf_rs_timer+0x6f0/0x6f0
[  367.598197]  ndisc_alloc_skb+0x144/0x340
[  367.602274]  ndisc_send_rs+0x331/0x6e0
[  367.606176]  addrconf_rs_timer+0x3c0/0x6f0
[  367.610419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.614675]  call_timer_fn+0x272/0x920
[  367.618565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.622804]  ? process_timeout+0x40/0x40
[  367.626866]  ? find_held_lock+0x36/0x1c0
[  367.630939]  ? __run_timers+0x7da/0xc70
[  367.634918]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.639414]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.643911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.648149]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  367.652733]  ? trace_hardirqs_on+0xbd/0x310
[  367.657061]  ? kasan_check_read+0x11/0x20
[  367.661212]  ? __run_timers+0x7da/0xc70
[  367.665190]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  367.670673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.674919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.679157]  __run_timers+0x7e5/0xc70
[  367.683064]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  367.688426]  ? compat_start_thread+0x80/0x80
[  367.692843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.698396]  ? _raw_spin_unlock_irq+0x60/0x80
[  367.702897]  ? finish_task_switch+0x1f5/0x900
[  367.707393]  ? finish_task_switch+0x1b5/0x900
[  367.711897]  ? __switch_to_asm+0x34/0x70
[  367.715969]  ? preempt_notifier_register+0x200/0x200
[  367.721076]  ? __switch_to_asm+0x34/0x70
[  367.725138]  ? __switch_to_asm+0x40/0x70
[  367.729199]  ? __switch_to_asm+0x34/0x70
[  367.733280]  ? __switch_to_asm+0x40/0x70
[  367.737341]  ? __switch_to_asm+0x34/0x70
[  367.741402]  ? __switch_to_asm+0x40/0x70
[  367.745465]  ? __switch_to_asm+0x40/0x70
[  367.749545]  ? pvclock_read_flags+0x160/0x160
[  367.754049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.759593]  ? check_preemption_disabled+0x48/0x200
[  367.764623]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  367.769909]  ? rcu_pm_notify+0xc0/0xc0
[  367.773801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.779397]  ? check_preemption_disabled+0x48/0x200
[  367.784435]  run_timer_softirq+0x52/0xb0
[  367.788517]  ? rcu_read_lock_sched_held+0x108/0x120
[  367.793538]  __do_softirq+0x30b/0xad8
[  367.797352]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  367.802458]  ? trace_hardirqs_off_caller+0x300/0x300
[  367.807586]  ? schedule+0x108/0x460
[  367.811222]  ? __schedule+0x1ed0/0x1ed0
[  367.815210]  ? trace_hardirqs_off+0xb8/0x300
[  367.819629]  ? ___might_sleep+0x1ed/0x300
[  367.823781]  ? smpboot_thread_fn+0x68b/0xa00
[  367.828197]  ? trace_hardirqs_on+0x310/0x310
[  367.832619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.838271]  ? check_preemption_disabled+0x48/0x200
[  367.843291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.848842]  ? takeover_tasklets+0xa90/0xa90
[  367.853265]  run_ksoftirqd+0x94/0x100
[  367.857071]  smpboot_thread_fn+0x68b/0xa00
[  367.861314]  ? sort_range+0x30/0x30
[  367.865040]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  367.870145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.875685]  ? __kthread_parkme+0xfb/0x1a0
[  367.879935]  kthread+0x35a/0x420
[  367.883303]  ? sort_range+0x30/0x30
[  367.886932]  ? kthread_bind+0x40/0x40
[  367.890744]  ret_from_fork+0x3a/0x50
[  367.894486] warn_alloc_show_mem: 1 callbacks suppressed
[  367.894499] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  367.894500] Mem-Info:
[  367.894532] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  367.894532]  active_file:28 inactive_file:21 isolated_file:0
[  367.894532]  unevictable:0 dirty:0 writeback:0 unstable:0
[  367.894532]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  367.894532]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  367.894532]  free:13666 free_pcp:197 free_cma:0
[  367.899876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.907158] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  367.909556] Call Trace:
[  367.942610] Node 0 
[  367.951970]  <IRQ>
[  367.979840] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  367.982427]  dump_stack+0x1c4/0x2b4
[  367.984635] lowmem_reserve[]:
[  367.986788]  ? dump_stack_print_info.cold.2+0x52/0x52
[  368.012293]  0
[  368.015943]  warn_alloc.cold.118+0xb7/0x1bd
[  368.019006]  2817
[  368.024198]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  368.025976]  6321
[  368.030298]  ? lock_downgrade+0x900/0x900
[  368.032327]  6321
[  368.037200]  ? trace_hardirqs_off+0xb8/0x300
[  368.039228] Node 0 
[  368.043374]  ? trace_hardirqs_off+0xb8/0x300
[  368.045436] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  368.049823]  __alloc_pages_slowpath+0x2667/0x2d80
[  368.052048] lowmem_reserve[]:
[  368.056492]  ? warn_alloc+0x120/0x120
[  368.083178]  0
[  368.088035]  ? trace_hardirqs_on+0x310/0x310
[  368.091117]  0
[  368.094915]  ? warn_alloc+0x120/0x120
[  368.096690]  3503 3503
[  368.101113]  ? print_usage_bug+0xc0/0xc0
[  368.102984] Node 0 
[  368.106787]  ? warn_alloc+0x120/0x120
[  368.109292] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  368.113334]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  368.115545] lowmem_reserve[]:
[  368.119341]  ? print_usage_bug+0xc0/0xc0
[  368.147969]  0
[  368.152991]  ? __lock_acquire+0x7ec/0x4ec0
[  368.156061]  0
[  368.160119]  ? __lock_acquire+0x7ec/0x4ec0
[  368.161901]  0
[  368.166138]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.167916]  0
[  368.172147]  ? should_fail+0x22d/0xd01
[  368.179503]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.181301] Node 0 
[  368.185183]  ? __lock_acquire+0x7ec/0x4ec0
[  368.190268] DMA: 
[  368.192508]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.196720] 1*4kB 
[  368.198780]  ? __lock_acquire+0x7ec/0x4ec0
[  368.203873] (U) 
[  368.206020]  ? should_fail+0x22d/0xd01
[  368.210228] 0*8kB 
[  368.212199]  ? print_usage_bug+0xc0/0xc0
[  368.216070] 0*16kB 
[  368.218222]  ? mark_held_locks+0x130/0x130
[  368.222257] 1*32kB 
[  368.224504]  ? mark_held_locks+0x130/0x130
[  368.228721] (U) 
[  368.230962]  ? graph_lock+0x170/0x170
[  368.235183] 2*64kB 
[  368.237170]  ? print_usage_bug+0xc0/0xc0
[  368.240946] (U) 
[  368.243199]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  368.247228] 1*128kB (U) 
[  368.249213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.253945] 1*256kB 
[  368.256616]  ? check_preemption_disabled+0x48/0x200
[  368.262131] (U) 
[  368.264460]  ? check_preemption_disabled+0x48/0x200
[  368.269541] 0*512kB 
[  368.271526]  ? __lock_is_held+0xb5/0x140
[  368.276510] 1*1024kB 
[  368.278830]  __alloc_pages_nodemask+0xa80/0xde0
[  368.282864] (U) 
[  368.285280]  ? graph_lock+0x170/0x170
[  368.285298]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  368.289944] 1*2048kB 
[  368.291915]  ? graph_lock+0x170/0x170
[  368.295699] (M) 
[  368.300715]  ? find_held_lock+0x36/0x1c0
[  368.303094] 3*4096kB 
[  368.306899]  ? ____cache_alloc_node+0x1c7/0x1e0
[  368.308842] (M) 
[  368.312897]  ? lock_downgrade+0x900/0x900
[  368.315285] = 15908kB
[  368.319955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.321900] Node 0 
[  368.326044]  cache_grow_begin+0x91/0x8c0
[  368.328449] DMA32: 
[  368.333981]  ? do_raw_spin_unlock+0xa7/0x2f0
[  368.336191] 2*4kB 
[  368.340257]  fallback_alloc+0x203/0x2e0
[  368.342468] (M) 
[  368.346884]  ____cache_alloc_node+0x1c7/0x1e0
[  368.349007] 0*8kB 
[  368.352977]  kmem_cache_alloc_node+0xe3/0x730
[  368.354926] 3*16kB 
[  368.359437]  ? ipv6_get_ifaddr+0x42e/0x620
[  368.361563] (M) 
[  368.366058]  __alloc_skb+0x119/0x770
[  368.368268] 2*32kB 
[  368.372512]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  368.374485] (UM) 
[  368.378215]  ? skb_scrub_packet+0x490/0x490
[  368.380446] 2*64kB 
[  368.385731]  ? lock_downgrade+0x900/0x900
[  368.387771] (M) 
[  368.392091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.394302] 4*128kB 
[  368.398450]  ? refcount_sub_and_test_checked+0x203/0x310
[  368.400403] (UM) 
[  368.405933]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  368.408231] 2*256kB 
[  368.413675]  ? addrconf_rs_timer+0x6f0/0x6f0
[  368.415713] (M) 
[  368.421168]  ndisc_alloc_skb+0x144/0x340
[  368.423457] 4*512kB 
[  368.427883]  ndisc_send_rs+0x331/0x6e0
[  368.429834] (UM) 
[  368.433908]  addrconf_rs_timer+0x3c0/0x6f0
[  368.436209] 3*1024kB 
[  368.440094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.442147] (M) 
[  368.446387]  call_timer_fn+0x272/0x920
[  368.448767] 3*2048kB 
[  368.452997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.454945] (UM) 
[  368.458826]  ? process_timeout+0x40/0x40
[  368.461215] 3*4096kB 
[  368.465446]  ? find_held_lock+0x36/0x1c0
[  368.467505] (M) 
[  368.471570]  ? __run_timers+0x7da/0xc70
[  368.473955] = 24824kB
[  368.478023]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.479973] Node 0 
[  368.483941]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.486326] Normal: 
[  368.490822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.493035] 981*4kB 
[  368.497526]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  368.499821] (UMEH) 
[  368.504052]  ? trace_hardirqs_on+0xbd/0x310
[  368.506365] 521*8kB 
[  368.510946]  ? kasan_check_read+0x11/0x20
[  368.513192] (MEH) 
[  368.517524]  ? __run_timers+0x7da/0xc70
[  368.519821] 165*16kB 
[  368.523966]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  368.526094] (UMEH) 
[  368.530069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.532447] 24*32kB (MEH) 
[  368.537913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.540124] 4*64kB 
[  368.544356]  __run_timers+0x7e5/0xc70
[  368.547171] (MH) 
[  368.551414]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  368.553613] 3*128kB (UH) 
[  368.557424]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  368.559461] 1*256kB 
[  368.564833]  ? graph_lock+0x170/0x170
[  368.567567] (U) 
[  368.572578]  ? enqueue_hrtimer+0x1a5/0x560
[  368.574874] 1*512kB 
[  368.578672]  ? lock_release+0x970/0x970
[  368.580625] (U) 
[  368.584856]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  368.587156] 1*1024kB 
[  368.591135]  ? find_held_lock+0x36/0x1c0
[  368.593092] (H) 
[  368.598280]  ? graph_lock+0x170/0x170
[  368.600663] 0*2048kB 0*4096kB 
[  368.604725]  ? pvclock_read_flags+0x160/0x160
[  368.606677] = 13932kB
[  368.610468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.613648] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  368.618157]  ? check_preemption_disabled+0x48/0x200
[  368.620551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  368.626084]  ? __lock_is_held+0xb5/0x140
[  368.634913] 4507 total pagecache pages
[  368.639929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.648493] 0 pages in swap cache
[  368.652550]  ? check_preemption_disabled+0x48/0x200
[  368.656414] Swap cache stats: add 0, delete 0, find 0/0
[  368.661976]  run_timer_softirq+0x52/0xb0
[  368.665398] Free swap  = 0kB
[  368.670417]  ? rcu_read_lock_sched_held+0x108/0x120
[  368.675762] Total swap = 0kB
[  368.679853]  __do_softirq+0x30b/0xad8
[  368.682844] 1965979 pages RAM
[  368.687864]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  368.690847] 0 pages HighMem/MovableOnly
[  368.694742]  ? pvclock_read_flags+0x160/0x160
[  368.697822] 342744 pages reserved
[  368.702919]  ? lapic_next_event+0x5a/0x90
[  368.706868] 0 pages cma reserved
[  368.711360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.714873] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  368.718936]  ? check_preemption_disabled+0x48/0x200
[  368.718951]  ? check_preemption_disabled+0x48/0x200
[  368.718971]  ? kvm_clock_read+0x18/0x30
[  368.722382] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  368.727853]  ? kvm_sched_clock_read+0x9/0x20
[  368.734324] ksoftirqd/1 cpuset=
[  368.739336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.744323] /
[  368.748294]  ? check_preemption_disabled+0x48/0x200
[  368.758594]  mems_allowed=0
[  368.763010]  irq_exit+0x17f/0x1c0
[  368.784871]  smp_apic_timer_interrupt+0x1cb/0x760
[  368.789717]  ? smp_reschedule_interrupt+0x109/0x650
[  368.794757]  ? smp_call_function_single_interrupt+0x650/0x650
[  368.800649]  ? interrupt_entry+0xb5/0xf0
[  368.804716]  ? trace_hardirqs_off_caller+0xbb/0x300
[  368.809738]  ? trace_hardirqs_off_caller+0xbb/0x300
[  368.814772]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.819618]  ? trace_hardirqs_off+0x300/0x300
[  368.824118]  ? trace_hardirqs_off+0x300/0x300
[  368.828622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.834172]  ? check_preemption_disabled+0x48/0x200
[  368.839194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.844744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.849613]  apic_timer_interrupt+0xf/0x20
[  368.853845]  </IRQ>
[  368.856092] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  368.861027] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  368.879956] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  368.887684] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  368.894956] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  368.902227] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  368.909510] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  368.916784] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  368.924134]  skb_clone+0x1bb/0x500
[  368.927706]  ? skb_split+0x11e0/0x11e0
[  368.931606]  ? preempt_notifier_register+0x200/0x200
[  368.936712]  ? __switch_to_asm+0x34/0x70
[  368.940783]  ? __switch_to_asm+0x34/0x70
[  368.944845]  ? __switch_to_asm+0x40/0x70
[  368.948928]  ? __switch_to_asm+0x34/0x70
[  368.952994]  ? __switch_to_asm+0x40/0x70
[  368.957067]  ? __switch_to_asm+0x40/0x70
[  368.961129]  ? __switch_to_asm+0x34/0x70
[  368.965201]  ? __switch_to_asm+0x34/0x70
[  368.969265]  ? __switch_to_asm+0x40/0x70
[  368.973328]  ? __switch_to_asm+0x34/0x70
[  368.977422]  bpf_clone_redirect+0xb9/0x490
[  368.981686]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  368.986717]  ? __sched_text_start+0x8/0x8
[  368.990899]  ? lockdep_hardirqs_on+0x421/0x5c0
[  368.995500]  ? retint_kernel+0x2d/0x2d
[  368.999402]  ? trace_hardirqs_on_caller+0xc0/0x300
[  369.004339]  ? find_held_lock+0x36/0x1c0
[  369.008410]  ? lock_acquire+0x1ed/0x520
[  369.012389]  ? bpf_test_run+0x32e/0x5a0
[  369.016387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.021981]  ? check_preemption_disabled+0x48/0x200
[  369.027008]  ? kasan_check_read+0x11/0x20
[  369.031162]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  369.036464]  ? rcu_bh_qs+0xc0/0xc0
[  369.040021]  ? preempt_schedule+0x4d/0x60
[  369.044172]  ? ___preempt_schedule+0x16/0x18
[  369.048593]  ? bpf_test_run+0x1c0/0x5a0
[  369.052585]  ? netlink_diag_dump+0x2a0/0x2a0
[  369.057007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.062549]  ? bpf_test_init.isra.9+0x70/0x100
[  369.067140]  ? bpf_prog_test_run_skb+0x634/0xb40
[  369.071906]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  369.076756]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  369.082380]  ? fput+0x130/0x1a0
[  369.085682]  ? __bpf_prog_get+0x9b/0x290
[  369.089777]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  369.094622]  ? bpf_prog_test_run+0x130/0x1a0
[  369.099041]  ? __x64_sys_bpf+0x3d8/0x510
[  369.103113]  ? bpf_prog_get+0x20/0x20
[  369.106937]  ? ksys_ioctl+0x81/0xd0
[  369.110585]  ? do_syscall_64+0x1b9/0x820
[  369.114653]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  369.120037]  ? syscall_return_slowpath+0x5e0/0x5e0
[  369.124974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.129831]  ? trace_hardirqs_off+0x300/0x300
[  369.134334]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  369.139370]  ? prepare_exit_to_usermode+0x291/0x3b0
[  369.144414]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.149297]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  369.154687] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  369.154774] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  369.161532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.161538] Call Trace:
[  369.161559]  dump_stack+0x1c4/0x2b4
[  369.161575]  ? dump_stack_print_info.cold.2+0x52/0x52
[  369.161601]  warn_alloc.cold.118+0xb7/0x1bd
[  369.168176] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.177525]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.180094] syz-executor0 cpuset=
[  369.183720]  ? lock_downgrade+0x900/0x900
[  369.188886] syz0
[  369.193209]  ? trace_hardirqs_off+0xb8/0x300
[  369.204022]  mems_allowed=0
[  369.208871]  ? trace_hardirqs_off+0xb8/0x300
[  369.230308]  __alloc_pages_slowpath+0x2667/0x2d80
[  369.235204]  ? warn_alloc+0x120/0x120
[  369.239026]  ? warn_alloc+0x120/0x120
[  369.242844]  ? print_usage_bug+0xc0/0xc0
[  369.246923]  ? warn_alloc+0x120/0x120
[  369.250741]  ? print_usage_bug+0xc0/0xc0
[  369.254822]  ? __lock_acquire+0x7ec/0x4ec0
[  369.259168]  ? __lock_acquire+0x7ec/0x4ec0
[  369.263430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.268985]  ? should_fail+0x22d/0xd01
[  369.272891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.278011]  ? __lock_acquire+0x7ec/0x4ec0
[  369.282276]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.287391]  ? __lock_acquire+0x7ec/0x4ec0
[  369.291640]  ? should_fail+0x22d/0xd01
[  369.296213]  ? mark_held_locks+0x130/0x130
[  369.300473]  ? mark_held_locks+0x130/0x130
[  369.304718]  ? graph_lock+0x170/0x170
[  369.308520]  ? graph_lock+0x170/0x170
[  369.312325]  ? graph_lock+0x170/0x170
[  369.316139]  ? print_usage_bug+0xc0/0xc0
[  369.320201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.325749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.331317]  ? check_preemption_disabled+0x48/0x200
[  369.336340]  ? check_preemption_disabled+0x48/0x200
[  369.341380]  ? __lock_is_held+0xb5/0x140
[  369.345462]  __alloc_pages_nodemask+0xa80/0xde0
[  369.350154]  ? graph_lock+0x170/0x170
[  369.353971]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  369.358990]  ? graph_lock+0x170/0x170
[  369.362811]  ? find_held_lock+0x36/0x1c0
[  369.366930]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.371609]  ? lock_downgrade+0x900/0x900
[  369.375858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.381406]  cache_grow_begin+0x91/0x8c0
[  369.385488]  ? do_raw_spin_unlock+0xa7/0x2f0
[  369.389913]  fallback_alloc+0x203/0x2e0
[  369.393903]  ____cache_alloc_node+0x1c7/0x1e0
[  369.398408]  kmem_cache_alloc_node+0xe3/0x730
[  369.402911]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.407158]  __alloc_skb+0x119/0x770
[  369.410882]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  369.416169]  ? skb_scrub_packet+0x490/0x490
[  369.420502]  ? lock_downgrade+0x900/0x900
[  369.424668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.430714]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.436176]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.441631]  ? addrconf_rs_timer+0x6f0/0x6f0
[  369.446071]  ndisc_alloc_skb+0x144/0x340
[  369.450140]  ndisc_send_rs+0x331/0x6e0
[  369.454040]  addrconf_rs_timer+0x3c0/0x6f0
[  369.458299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.462551]  call_timer_fn+0x272/0x920
[  369.466444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.470691]  ? process_timeout+0x40/0x40
[  369.474752]  ? find_held_lock+0x36/0x1c0
[  369.478826]  ? __run_timers+0x7da/0xc70
[  369.482815]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.487312]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.491810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.496067]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  369.500655]  ? trace_hardirqs_on+0xbd/0x310
[  369.504981]  ? kasan_check_read+0x11/0x20
[  369.509137]  ? __run_timers+0x7da/0xc70
[  369.513138]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  369.518597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.522840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.527085]  __run_timers+0x7e5/0xc70
[  369.530913]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  369.536282]  ? compat_start_thread+0x80/0x80
[  369.540700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.546262]  ? _raw_spin_unlock_irq+0x60/0x80
[  369.550766]  ? finish_task_switch+0x1f5/0x900
[  369.555270]  ? finish_task_switch+0x1b5/0x900
[  369.559775]  ? __switch_to_asm+0x34/0x70
[  369.563845]  ? preempt_notifier_register+0x200/0x200
[  369.568955]  ? __switch_to_asm+0x34/0x70
[  369.573018]  ? __switch_to_asm+0x40/0x70
[  369.577087]  ? __switch_to_asm+0x34/0x70
[  369.581150]  ? __switch_to_asm+0x40/0x70
[  369.585214]  ? __switch_to_asm+0x34/0x70
[  369.589278]  ? __switch_to_asm+0x40/0x70
[  369.593350]  ? __switch_to_asm+0x40/0x70
[  369.597421]  ? pvclock_read_flags+0x160/0x160
[  369.601922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.607469]  ? check_preemption_disabled+0x48/0x200
[  369.612516]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  369.617807]  ? rcu_pm_notify+0xc0/0xc0
[  369.621705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.627246]  ? check_preemption_disabled+0x48/0x200
[  369.632288]  run_timer_softirq+0x52/0xb0
[  369.636354]  ? rcu_read_lock_sched_held+0x108/0x120
[  369.641377]  __do_softirq+0x30b/0xad8
[  369.645195]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  369.650305]  ? trace_hardirqs_off_caller+0x300/0x300
[  369.655421]  ? schedule+0x108/0x460
[  369.659062]  ? __schedule+0x1ed0/0x1ed0
[  369.663054]  ? trace_hardirqs_off+0xb8/0x300
[  369.667468]  ? ___might_sleep+0x1ed/0x300
[  369.671632]  ? smpboot_thread_fn+0x68b/0xa00
[  369.676082]  ? trace_hardirqs_on+0x310/0x310
[  369.680508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.686057]  ? check_preemption_disabled+0x48/0x200
[  369.691077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.696627]  ? takeover_tasklets+0xa90/0xa90
[  369.701045]  run_ksoftirqd+0x94/0x100
[  369.704855]  smpboot_thread_fn+0x68b/0xa00
[  369.709102]  ? sort_range+0x30/0x30
[  369.712734]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  369.717845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.723406]  ? __kthread_parkme+0xfb/0x1a0
[  369.727654]  kthread+0x35a/0x420
[  369.731022]  ? sort_range+0x30/0x30
[  369.734649]  ? kthread_bind+0x40/0x40
[  369.738457]  ret_from_fork+0x3a/0x50
[  369.742202] warn_alloc_show_mem: 1 callbacks suppressed
[  369.742215] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  369.742217] Mem-Info:
[  369.742255] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  369.742255]  active_file:28 inactive_file:21 isolated_file:0
[  369.742255]  unevictable:0 dirty:0 writeback:0 unstable:0
[  369.742255]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  369.742255]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  369.742255]  free:13666 free_pcp:197 free_cma:0
[  369.747607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.754888] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  369.757262] Call Trace:
[  369.757302]  <IRQ>
[  369.790362] Node 0 
[  369.799732]  dump_stack+0x1c4/0x2b4
[  369.827599] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  369.830166]  ? dump_stack_print_info.cold.2+0x52/0x52
[  369.832295] lowmem_reserve[]:
[  369.834544]  warn_alloc.cold.118+0xb7/0x1bd
[  369.838140]  0
[  369.863850]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.869011]  2817
[  369.872116]  ? lock_downgrade+0x900/0x900
[  369.876411]  6321
[  369.878217]  ? trace_hardirqs_off+0xb8/0x300
[  369.883047]  6321
[  369.885112]  ? trace_hardirqs_off+0xb8/0x300
[  369.891296]  __alloc_pages_slowpath+0x2667/0x2d80
[  369.895693] Node 0 
[  369.897789]  ? warn_alloc+0x120/0x120
[  369.902167] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  369.906990]  ? trace_hardirqs_on+0x310/0x310
[  369.909200] lowmem_reserve[]:
[  369.912996]  ? warn_alloc+0x120/0x120
[  369.939701]  0
[  369.944115]  ? print_usage_bug+0xc0/0xc0
[  369.947187]  0
[  369.950991]  ? warn_alloc+0x120/0x120
[  369.952769]  3503
[  369.956823]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  369.958599]  3503
[  369.962394]  ? print_usage_bug+0xc0/0xc0
[  369.969445]  ? __lock_acquire+0x7ec/0x4ec0
[  369.971491] Node 0 
[  369.975562]  ? __lock_acquire+0x7ec/0x4ec0
[  369.979849] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  369.982090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.986297] lowmem_reserve[]:
[  370.014848]  ? should_fail+0x22d/0xd01
[  370.020362]  0
[  370.023461]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.027319]  0
[  370.029124]  ? __lock_acquire+0x7ec/0x4ec0
[  370.034194]  0 0
[  370.036009]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.042182]  ? __lock_acquire+0x7ec/0x4ec0
[  370.047265] Node 0 
[  370.051494]  ? should_fail+0x22d/0xd01
[  370.051504] DMA: 
[  370.053735]  ? print_usage_bug+0xc0/0xc0
[  370.057603] 1*4kB 
[  370.059665]  ? mark_held_locks+0x130/0x130
[  370.063695] (U) 
[  370.065844]  ? mark_held_locks+0x130/0x130
[  370.070054] 0*8kB 
[  370.072027]  ? graph_lock+0x170/0x170
[  370.076239] 0*16kB 
[  370.078383]  ? print_usage_bug+0xc0/0xc0
[  370.082156] 1*32kB (U) 
[  370.084396]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  370.088430] 2*64kB 
[  370.091008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.095734] (U) 
[  370.097973]  ? check_preemption_disabled+0x48/0x200
[  370.103491] 1*128kB 
[  370.105467]  ? check_preemption_disabled+0x48/0x200
[  370.110463] (U) 
[  370.112801]  ? __lock_is_held+0xb5/0x140
[  370.117786] 1*256kB 
[  370.119764]  __alloc_pages_nodemask+0xa80/0xde0
[  370.123793] (U) 
[  370.126108]  ? graph_lock+0x170/0x170
[  370.130751] 0*512kB 
[  370.132730]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  370.136510] 1*1024kB 
[  370.138830]  ? graph_lock+0x170/0x170
[  370.143819] (U) 
[  370.146234]  ? find_held_lock+0x36/0x1c0
[  370.150004] 1*2048kB 
[  370.151982]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.156014] (M) 
[  370.158420]  ? lock_downgrade+0x900/0x900
[  370.163068] 3*4096kB 
[  370.165049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.169167] (M) 
[  370.171575]  cache_grow_begin+0x91/0x8c0
[  370.177084] = 15908kB
[  370.179055]  ? do_raw_spin_unlock+0xa7/0x2f0
[  370.183092] Node 0 
[  370.185514]  fallback_alloc+0x203/0x2e0
[  370.189894] DMA32: 
[  370.192127]  ____cache_alloc_node+0x1c7/0x1e0
[  370.196071] 2*4kB 
[  370.198302]  kmem_cache_alloc_node+0xe3/0x730
[  370.202773] (M) 
[  370.204922]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.209392] 0*8kB 
[  370.211368]  __alloc_skb+0x119/0x770
[  370.215570] 3*16kB (M) 
[  370.217726]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  370.221411] 2*32kB 
[  370.223990]  ? skb_scrub_packet+0x490/0x490
[  370.229238] (UM) 
[  370.231472]  ? lock_downgrade+0x900/0x900
[  370.235774] 2*64kB 
[  370.237855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.241973] (M) 
[  370.244204]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.249713] 4*128kB 
[  370.251703]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.257143] (UM) 
[  370.259465]  ? addrconf_rs_timer+0x6f0/0x6f0
[  370.264891] 2*256kB 
[  370.266964]  ndisc_alloc_skb+0x144/0x340
[  370.271337] (M) 
[  370.273673]  ndisc_send_rs+0x331/0x6e0
[  370.277705] 4*512kB 
[  370.279685]  addrconf_rs_timer+0x3c0/0x6f0
[  370.283545] (UM) 
[  370.285869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.290078] 3*1024kB 
[  370.292150]  call_timer_fn+0x272/0x920
[  370.296345] (M) 
[  370.298766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.302627] 3*2048kB 
[  370.304617]  ? process_timeout+0x40/0x40
[  370.308824] (UM) 
[  370.311235]  ? find_held_lock+0x36/0x1c0
[  370.315275] 3*4096kB 
[  370.317344]  ? __run_timers+0x7da/0xc70
[  370.321371] (M) 
[  370.323789]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.327736] = 24824kB
[  370.329713]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.334182] Node 0 
[  370.336592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.341056] Normal: 
[  370.343289]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  370.347505] 981*4kB 
[  370.349823]  ? trace_hardirqs_on+0xbd/0x310
[  370.354387] (UMEH) 
[  370.356714]  ? kasan_check_read+0x11/0x20
[  370.361021] 521*8kB 
[  370.363255]  ? __run_timers+0x7da/0xc70
[  370.367383] (MEH) 
[  370.369711]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  370.373658] 165*16kB 
[  370.375810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.381237] (UMEH) 
[  370.383649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.387855] 24*32kB 
[  370.390088]  __run_timers+0x7e5/0xc70
[  370.394294] (MEH) 
[  370.396629]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  370.400399] 4*64kB 
[  370.402553]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  370.407884] (MH) 3*128kB 
[  370.410137]  ? graph_lock+0x170/0x170
[  370.415135] (UH) 
[  370.417901]  ? enqueue_hrtimer+0x1a5/0x560
[  370.421668] 1*256kB (U) 
[  370.423737]  ? lock_release+0x970/0x970
[  370.427947] 1*512kB 
[  370.430610]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  370.434554] (U) 1*1024kB 
[  370.436896]  ? find_held_lock+0x36/0x1c0
[  370.442073] (H) 0*2048kB 
[  370.444851]  ? graph_lock+0x170/0x170
[  370.448875] 0*4096kB = 13932kB
[  370.451649]  ? pvclock_read_flags+0x160/0x160
[  370.455429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  370.458619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.463096] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  370.471927]  ? check_preemption_disabled+0x48/0x200
[  370.477441] 4507 total pagecache pages
[  370.486027]  ? __lock_is_held+0xb5/0x140
[  370.491013] 0 pages in swap cache
[  370.494887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.498924] Swap cache stats: add 0, delete 0, find 0/0
[  370.502368]  ? check_preemption_disabled+0x48/0x200
[  370.507892] Free swap  = 0kB
[  370.513255]  run_timer_softirq+0x52/0xb0
[  370.518244] Total swap = 0kB
[  370.521258]  ? rcu_read_lock_sched_held+0x108/0x120
[  370.525297] 1965979 pages RAM
[  370.528315]  __do_softirq+0x30b/0xad8
[  370.533298] 0 pages HighMem/MovableOnly
[  370.533314] 342744 pages reserved
[  370.536425]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  370.540196] 0 pages cma reserved
[  370.544167]  ? pvclock_read_flags+0x160/0x160
[  370.547681] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.552700]  ? lapic_next_event+0x5a/0x90
[  370.556181] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.560890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.567358] ksoftirqd/1 cpuset=
[  370.571512]  ? check_preemption_disabled+0x48/0x200
[  370.581810] /
[  370.587347]  ? check_preemption_disabled+0x48/0x200
[  370.590604]  mems_allowed=0
[  370.595614]  ? kvm_clock_read+0x18/0x30
[  370.609294]  ? kvm_sched_clock_read+0x9/0x20
[  370.613709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.619251]  ? check_preemption_disabled+0x48/0x200
[  370.624286]  irq_exit+0x17f/0x1c0
[  370.627747]  smp_apic_timer_interrupt+0x1cb/0x760
[  370.632598]  ? smp_reschedule_interrupt+0x109/0x650
[  370.637621]  ? smp_call_function_single_interrupt+0x650/0x650
[  370.643515]  ? interrupt_entry+0xb5/0xf0
[  370.647584]  ? trace_hardirqs_off_caller+0xbb/0x300
[  370.652602]  ? trace_hardirqs_off_caller+0xbb/0x300
[  370.657631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.662473]  ? trace_hardirqs_off+0x300/0x300
[  370.666985]  ? trace_hardirqs_off+0x300/0x300
[  370.671505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.677048]  ? check_preemption_disabled+0x48/0x200
[  370.682073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.687641]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.692509]  apic_timer_interrupt+0xf/0x20
[  370.696743]  </IRQ>
[  370.698991] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  370.703925] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  370.722837] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  370.730561] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  370.737844] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  370.745123] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  370.752395] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  370.759678] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  370.767003]  skb_clone+0x1bb/0x500
[  370.770556]  ? skb_split+0x11e0/0x11e0
[  370.774471]  ? preempt_notifier_register+0x200/0x200
[  370.779593]  ? __switch_to_asm+0x34/0x70
[  370.783660]  ? __switch_to_asm+0x34/0x70
[  370.787722]  ? __switch_to_asm+0x40/0x70
[  370.791790]  ? __switch_to_asm+0x34/0x70
[  370.795853]  ? __switch_to_asm+0x40/0x70
[  370.799920]  ? __switch_to_asm+0x40/0x70
[  370.804023]  ? __switch_to_asm+0x34/0x70
[  370.808088]  ? __switch_to_asm+0x34/0x70
[  370.812153]  ? __switch_to_asm+0x40/0x70
[  370.816215]  ? __switch_to_asm+0x34/0x70
[  370.820294]  bpf_clone_redirect+0xb9/0x490
[  370.824546]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  370.829574]  ? __sched_text_start+0x8/0x8
[  370.833729]  ? lockdep_hardirqs_on+0x421/0x5c0
[  370.838321]  ? retint_kernel+0x2d/0x2d
[  370.842233]  ? trace_hardirqs_on_caller+0xc0/0x300
[  370.847181]  ? find_held_lock+0x36/0x1c0
[  370.851250]  ? lock_acquire+0x1ed/0x520
[  370.855234]  ? bpf_test_run+0x32e/0x5a0
[  370.859213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.864766]  ? check_preemption_disabled+0x48/0x200
[  370.869799]  ? kasan_check_read+0x11/0x20
[  370.873958]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  370.879242]  ? rcu_bh_qs+0xc0/0xc0
[  370.882794]  ? preempt_schedule+0x4d/0x60
[  370.886947]  ? ___preempt_schedule+0x16/0x18
[  370.891370]  ? bpf_test_run+0x1c0/0x5a0
[  370.895359]  ? netlink_diag_dump+0x2a0/0x2a0
[  370.899783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.905326]  ? bpf_test_init.isra.9+0x70/0x100
[  370.909922]  ? bpf_prog_test_run_skb+0x634/0xb40
[  370.914692]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  370.919542]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  370.925085]  ? fput+0x130/0x1a0
[  370.928382]  ? __bpf_prog_get+0x9b/0x290
[  370.932448]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  370.937302]  ? bpf_prog_test_run+0x130/0x1a0
[  370.941716]  ? __x64_sys_bpf+0x3d8/0x510
[  370.945790]  ? bpf_prog_get+0x20/0x20
[  370.949605]  ? ksys_ioctl+0x81/0xd0
[  370.953245]  ? do_syscall_64+0x1b9/0x820
[  370.957309]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  370.962679]  ? syscall_return_slowpath+0x5e0/0x5e0
[  370.967611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.972464]  ? trace_hardirqs_off+0x300/0x300
[  370.976981]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  370.982023]  ? prepare_exit_to_usermode+0x291/0x3b0
[  370.987052]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.991911]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  370.997304] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  370.997387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  371.004146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.004155] Call Trace:
[  371.010794] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  371.020014]  dump_stack+0x1c4/0x2b4
[  371.022580] syz-executor0 cpuset=
[  371.033090]  ? dump_stack_print_info.cold.2+0x52/0x52
[  371.036697] syz0
[  371.040155]  warn_alloc.cold.118+0xb7/0x1bd
[  371.045332]  mems_allowed=0
[  371.047299]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.059361]  ? lock_downgrade+0x900/0x900
[  371.063523]  ? trace_hardirqs_off+0xb8/0x300
[  371.067940]  ? trace_hardirqs_off+0xb8/0x300
[  371.072360]  __alloc_pages_slowpath+0x2667/0x2d80
[  371.077238]  ? warn_alloc+0x120/0x120
[  371.081056]  ? warn_alloc+0x120/0x120
[  371.084863]  ? print_usage_bug+0xc0/0xc0
[  371.088927]  ? warn_alloc+0x120/0x120
[  371.092729]  ? print_usage_bug+0xc0/0xc0
[  371.096795]  ? __lock_acquire+0x7ec/0x4ec0
[  371.101029]  ? __lock_acquire+0x7ec/0x4ec0
[  371.105275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.110818]  ? should_fail+0x22d/0xd01
[  371.114713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.119819]  ? __lock_acquire+0x7ec/0x4ec0
[  371.124065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.129167]  ? __lock_acquire+0x7ec/0x4ec0
[  371.133404]  ? should_fail+0x22d/0xd01
[  371.137293]  ? print_usage_bug+0xc0/0xc0
[  371.141371]  ? mark_held_locks+0x130/0x130
[  371.145612]  ? mark_held_locks+0x130/0x130
[  371.149861]  ? graph_lock+0x170/0x170
[  371.153665]  ? print_usage_bug+0xc0/0xc0
[  371.157729]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  371.162500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.168051]  ? check_preemption_disabled+0x48/0x200
[  371.173068]  ? check_preemption_disabled+0x48/0x200
[  371.178116]  ? __lock_is_held+0xb5/0x140
[  371.182188]  __alloc_pages_nodemask+0xa80/0xde0
[  371.186858]  ? graph_lock+0x170/0x170
[  371.190665]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  371.195683]  ? graph_lock+0x170/0x170
[  371.199508]  ? find_held_lock+0x36/0x1c0
[  371.203600]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.208279]  ? lock_downgrade+0x900/0x900
[  371.212440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.217990]  cache_grow_begin+0x91/0x8c0
[  371.222055]  ? do_raw_spin_unlock+0xa7/0x2f0
[  371.226486]  fallback_alloc+0x203/0x2e0
[  371.230493]  ____cache_alloc_node+0x1c7/0x1e0
[  371.235004]  kmem_cache_alloc_node+0xe3/0x730
[  371.239510]  ? ipv6_get_ifaddr+0x42e/0x620
[  371.243757]  __alloc_skb+0x119/0x770
[  371.247486]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  371.252815]  ? skb_scrub_packet+0x490/0x490
[  371.257156]  ? lock_downgrade+0x900/0x900
[  371.261315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.266855]  ? refcount_sub_and_test_checked+0x203/0x310
[  371.272314]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  371.277772]  ? addrconf_rs_timer+0x6f0/0x6f0
[  371.282201]  ndisc_alloc_skb+0x144/0x340
[  371.286277]  ndisc_send_rs+0x331/0x6e0
[  371.290174]  addrconf_rs_timer+0x3c0/0x6f0
[  371.294434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.298994]  call_timer_fn+0x272/0x920
[  371.302893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.307131]  ? process_timeout+0x40/0x40
[  371.311194]  ? find_held_lock+0x36/0x1c0
[  371.315273]  ? __run_timers+0x7da/0xc70
[  371.319260]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.323758]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.328258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.332506]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  371.337091]  ? trace_hardirqs_on+0xbd/0x310
[  371.341421]  ? kasan_check_read+0x11/0x20
[  371.345571]  ? __run_timers+0x7da/0xc70
[  371.349549]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  371.355006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.359247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.363503]  __run_timers+0x7e5/0xc70
[  371.367322]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  371.372684]  ? compat_start_thread+0x80/0x80
[  371.377099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.382648]  ? _raw_spin_unlock_irq+0x60/0x80
[  371.387158]  ? finish_task_switch+0x1f5/0x900
[  371.391652]  ? finish_task_switch+0x1b5/0x900
[  371.396151]  ? __switch_to_asm+0x34/0x70
[  371.400219]  ? preempt_notifier_register+0x200/0x200
[  371.405328]  ? __switch_to_asm+0x34/0x70
[  371.409387]  ? __switch_to_asm+0x40/0x70
[  371.413447]  ? __switch_to_asm+0x34/0x70
[  371.417514]  ? __switch_to_asm+0x40/0x70
[  371.421577]  ? __switch_to_asm+0x34/0x70
[  371.425635]  ? __switch_to_asm+0x40/0x70
[  371.430191]  ? __switch_to_asm+0x40/0x70
[  371.434282]  ? pvclock_read_flags+0x160/0x160
[  371.438795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.444836]  ? check_preemption_disabled+0x48/0x200
[  371.449866]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  371.455162]  ? rcu_pm_notify+0xc0/0xc0
[  371.459114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.464663]  ? check_preemption_disabled+0x48/0x200
[  371.469697]  run_timer_softirq+0x52/0xb0
[  371.473764]  ? rcu_read_lock_sched_held+0x108/0x120
[  371.478793]  __do_softirq+0x30b/0xad8
[  371.482610]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  371.487717]  ? trace_hardirqs_off_caller+0x300/0x300
[  371.492837]  ? schedule+0x108/0x460
[  371.496507]  ? __schedule+0x1ed0/0x1ed0
[  371.500502]  ? trace_hardirqs_off+0xb8/0x300
[  371.504917]  ? ___might_sleep+0x1ed/0x300
[  371.509065]  ? smpboot_thread_fn+0x68b/0xa00
[  371.513476]  ? trace_hardirqs_on+0x310/0x310
[  371.517909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.523461]  ? check_preemption_disabled+0x48/0x200
[  371.528500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.534076]  ? takeover_tasklets+0xa90/0xa90
[  371.538505]  run_ksoftirqd+0x94/0x100
[  371.542315]  smpboot_thread_fn+0x68b/0xa00
[  371.546583]  ? sort_range+0x30/0x30
[  371.550223]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  371.555340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.560884]  ? __kthread_parkme+0xfb/0x1a0
[  371.565132]  kthread+0x35a/0x420
[  371.568512]  ? sort_range+0x30/0x30
[  371.572145]  ? kthread_bind+0x40/0x40
[  371.575957]  ret_from_fork+0x3a/0x50
[  371.579698] warn_alloc_show_mem: 1 callbacks suppressed
[  371.579711] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  371.579713] Mem-Info:
[  371.579744] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  371.579744]  active_file:28 inactive_file:21 isolated_file:0
[  371.579744]  unevictable:0 dirty:0 writeback:0 unstable:0
[  371.579744]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  371.579744]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  371.579744]  free:13666 free_pcp:197 free_cma:0
[  371.585084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.585093] Call Trace:
[  371.592380] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  371.594792]  <IRQ>
[  371.627845] Node 0 
[  371.637221]  dump_stack+0x1c4/0x2b4
[  371.639810] 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
[  371.667645]  ? dump_stack_print_info.cold.2+0x52/0x52
[  371.669766] lowmem_reserve[]:
[  371.672010]  warn_alloc.cold.118+0xb7/0x1bd
[  371.675611]  0
[  371.701143]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.706311]  2817
[  371.709420]  ? lock_downgrade+0x900/0x900
[  371.713707]  6321
[  371.715517]  ? trace_hardirqs_off+0xb8/0x300
[  371.720328]  6321
[  371.722396]  ? trace_hardirqs_off+0xb8/0x300
[  371.728578]  __alloc_pages_slowpath+0x2667/0x2d80
[  371.732951] Node 0 
[  371.735048]  ? warn_alloc+0x120/0x120
[  371.739430] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  371.744253]  ? trace_hardirqs_on+0x310/0x310
[  371.746467] lowmem_reserve[]:
[  371.750276]  ? warn_alloc+0x120/0x120
[  371.776980]  0
[  371.781403]  ? print_usage_bug+0xc0/0xc0
[  371.784490]  0
[  371.788296]  ? warn_alloc+0x120/0x120
[  371.790068]  3503
[  371.794132]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  371.795898]  3503
[  371.799705]  ? print_usage_bug+0xc0/0xc0
[  371.801744] Node 0 
[  371.806771]  ? __lock_acquire+0x7ec/0x4ec0
[  371.808827] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  371.812857]  ? __lock_acquire+0x7ec/0x4ec0
[  371.815061] lowmem_reserve[]: 0
[  371.819305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.847827]  0
[  371.852078]  ? should_fail+0x22d/0xd01
[  371.855324]  0 0
[  371.860871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.866525]  ? __lock_acquire+0x7ec/0x4ec0
[  371.868486] Node 0 
[  371.873586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.877795] DMA: 
[  371.880028]  ? __lock_acquire+0x7ec/0x4ec0
[  371.885106] 1*4kB 
[  371.887172]  ? should_fail+0x22d/0xd01
[  371.891376] (U) 0*8kB 
[  371.893535]  ? print_usage_bug+0xc0/0xc0
[  371.897399] 0*16kB 
[  371.899902]  ? mark_held_locks+0x130/0x130
[  371.903929] 1*32kB 
[  371.906168]  ? mark_held_locks+0x130/0x130
[  371.910374] (U) 
[  371.912700]  ? graph_lock+0x170/0x170
[  371.916901] 2*64kB 
[  371.918873]  ? print_usage_bug+0xc0/0xc0
[  371.922651] (U) 
[  371.924884]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  371.928911] 1*128kB (U) 
[  371.930899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.935627] 1*256kB (U) 
[  371.938316]  ? check_preemption_disabled+0x48/0x200
[  371.943822] 0*512kB 
[  371.946507]  ? check_preemption_disabled+0x48/0x200
[  371.951499] 1*1024kB 
[  371.953831]  ? __lock_is_held+0xb5/0x140
[  371.958809] (U) 
[  371.961218]  __alloc_pages_nodemask+0xa80/0xde0
[  371.965249] 1*2048kB 
[  371.967215]  ? graph_lock+0x170/0x170
[  371.971859] (M) 
[  371.974272]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  371.978046] 3*4096kB 
[  371.980024]  ? graph_lock+0x170/0x170
[  371.985017] (M) 
[  371.987432]  ? find_held_lock+0x36/0x1c0
[  371.991201] = 15908kB
[  371.993180]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.997208] Node 0 
[  371.999611]  ? lock_downgrade+0x900/0x900
[  372.004266] DMA32: 
[  372.006509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.010633] 2*4kB 
[  372.012868]  cache_grow_begin+0x91/0x8c0
[  372.018377] (M) 
[  372.020523]  ? do_raw_spin_unlock+0xa7/0x2f0
[  372.024559] 0*8kB 
[  372.026625]  fallback_alloc+0x203/0x2e0
[  372.031002] 3*16kB 
[  372.033150]  ____cache_alloc_node+0x1c7/0x1e0
[  372.037181] (M) 
[  372.039415]  kmem_cache_alloc_node+0xe3/0x730
[  372.043877] 2*32kB (UM) 
[  372.045865]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.050339] 2*64kB 
[  372.053012]  __alloc_skb+0x119/0x770
[  372.057211] (M) 
[  372.059445]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  372.063147] 4*128kB 
[  372.065120]  ? skb_scrub_packet+0x490/0x490
[  372.070373] (UM) 
[  372.072692]  ? lock_downgrade+0x900/0x900
[  372.076997] 2*256kB (M) 
[  372.079072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.083193] 4*512kB 
[  372.085860]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.091375] (UM) 
[  372.093693]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.099111] 3*1024kB (M) 
[  372.101181]  ? addrconf_rs_timer+0x6f0/0x6f0
[  372.106614] 3*2048kB (UM) 
[  372.109385]  ndisc_alloc_skb+0x144/0x340
[  372.113763] 3*4096kB 
[  372.116621]  ndisc_send_rs+0x331/0x6e0
[  372.120656] (M) 
[  372.123069]  addrconf_rs_timer+0x3c0/0x6f0
[  372.126927] = 24824kB
[  372.128900]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.133123] Node 0 
[  372.135538]  call_timer_fn+0x272/0x920
[  372.139735] Normal: 
[  372.141979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.145849] 981*4kB 
[  372.148182]  ? process_timeout+0x40/0x40
[  372.152390] (UMEH) 
[  372.154708]  ? find_held_lock+0x36/0x1c0
[  372.158745] 521*8kB 
[  372.160988]  ? __run_timers+0x7da/0xc70
[  372.165021] (MEH) 
[  372.167341]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.171292] 165*16kB 
[  372.173436]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.177900] (UMEH) 24*32kB 
[  372.180314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.184780] (MEH) 
[  372.187707]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  372.191914] 4*64kB 
[  372.194085]  ? trace_hardirqs_on+0xbd/0x310
[  372.198638] (MH) 3*128kB 
[  372.200884]  ? kasan_check_read+0x11/0x20
[  372.205180] (UH) 
[  372.207935]  ? __run_timers+0x7da/0xc70
[  372.212067] 1*256kB 
[  372.214126]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  372.218073] (U) 
[  372.220396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.225819] 1*512kB (U) 
[  372.227808]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.232011] 1*1024kB 
[  372.234677]  __run_timers+0x7e5/0xc70
[  372.238884] (H) 
[  372.241301]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  372.245069] 0*2048kB 
[  372.247040]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  372.252378] 0*4096kB 
[  372.254786]  ? graph_lock+0x170/0x170
[  372.259776] = 13932kB
[  372.262196]  ? enqueue_hrtimer+0x1a5/0x560
[  372.265982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  372.268379]  ? lock_release+0x970/0x970
[  372.272596] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  372.281427]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  372.285378] 4507 total pagecache pages
[  372.293950]  ? find_held_lock+0x36/0x1c0
[  372.299124] 0 pages in swap cache
[  372.303000]  ? graph_lock+0x170/0x170
[  372.307040] Swap cache stats: add 0, delete 0, find 0/0
[  372.310490]  ? pvclock_read_flags+0x160/0x160
[  372.314269] Free swap  = 0kB
[  372.319631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.324101] Total swap = 0kB
[  372.327115]  ? check_preemption_disabled+0x48/0x200
[  372.332625] 1965979 pages RAM
[  372.335643]  ? __lock_is_held+0xb5/0x140
[  372.340624] 0 pages HighMem/MovableOnly
[  372.340629] 342744 pages reserved
[  372.340637] 0 pages cma reserved
[  372.343742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.347861] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.351756]  ? check_preemption_disabled+0x48/0x200
[  372.355244] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.358559]  run_timer_softirq+0x52/0xb0
[  372.364069] ksoftirqd/1 cpuset=
[  372.370656]  ? rcu_read_lock_sched_held+0x108/0x120
[  372.375648] /
[  372.385971]  __do_softirq+0x30b/0xad8
[  372.390010]  mems_allowed=0
[  372.393287]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  372.411798]  ? pvclock_read_flags+0x160/0x160
[  372.416294]  ? lapic_next_event+0x5a/0x90
[  372.420444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.425994]  ? check_preemption_disabled+0x48/0x200
[  372.431015]  ? check_preemption_disabled+0x48/0x200
[  372.436038]  ? kvm_clock_read+0x18/0x30
[  372.440012]  ? kvm_sched_clock_read+0x9/0x20
[  372.444423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.449963]  ? check_preemption_disabled+0x48/0x200
[  372.454996]  irq_exit+0x17f/0x1c0
[  372.458456]  smp_apic_timer_interrupt+0x1cb/0x760
[  372.463312]  ? smp_reschedule_interrupt+0x109/0x650
[  372.468333]  ? smp_call_function_single_interrupt+0x650/0x650
[  372.474224]  ? interrupt_entry+0xb5/0xf0
[  372.478289]  ? trace_hardirqs_off_caller+0xbb/0x300
[  372.483315]  ? trace_hardirqs_off_caller+0xbb/0x300
[  372.488339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.493184]  ? trace_hardirqs_off+0x300/0x300
[  372.497687]  ? trace_hardirqs_off+0x300/0x300
[  372.502187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.507731]  ? check_preemption_disabled+0x48/0x200
[  372.512843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.518389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.523260]  apic_timer_interrupt+0xf/0x20
[  372.527502]  </IRQ>
[  372.529745] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  372.534683] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  372.553596] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  372.561315] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  372.568585] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  372.575852] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  372.583119] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  372.590387] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  372.597710]  skb_clone+0x1bb/0x500
[  372.601254]  ? skb_split+0x11e0/0x11e0
[  372.605149]  ? preempt_notifier_register+0x200/0x200
[  372.610257]  ? __switch_to_asm+0x34/0x70
[  372.614320]  ? __switch_to_asm+0x34/0x70
[  372.618383]  ? __switch_to_asm+0x40/0x70
[  372.622444]  ? __switch_to_asm+0x34/0x70
[  372.626509]  ? __switch_to_asm+0x40/0x70
[  372.630576]  ? __switch_to_asm+0x40/0x70
[  372.634640]  ? __switch_to_asm+0x34/0x70
[  372.638704]  ? __switch_to_asm+0x34/0x70
[  372.642771]  ? __switch_to_asm+0x40/0x70
[  372.646835]  ? __switch_to_asm+0x34/0x70
[  372.650912]  bpf_clone_redirect+0xb9/0x490
[  372.655164]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  372.660188]  ? __sched_text_start+0x8/0x8
[  372.664345]  ? lockdep_hardirqs_on+0x421/0x5c0
[  372.668932]  ? retint_kernel+0x2d/0x2d
[  372.672825]  ? trace_hardirqs_on_caller+0xc0/0x300
[  372.677767]  ? find_held_lock+0x36/0x1c0
[  372.681837]  ? lock_acquire+0x1ed/0x520
[  372.685812]  ? bpf_test_run+0x32e/0x5a0
[  372.689793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.695336]  ? check_preemption_disabled+0x48/0x200
[  372.700367]  ? kasan_check_read+0x11/0x20
[  372.704521]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  372.709800]  ? rcu_bh_qs+0xc0/0xc0
[  372.713353]  ? preempt_schedule+0x4d/0x60
[  372.717513]  ? ___preempt_schedule+0x16/0x18
[  372.721935]  ? bpf_test_run+0x1c0/0x5a0
[  372.725924]  ? netlink_diag_dump+0x2a0/0x2a0
[  372.730343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.735884]  ? bpf_test_init.isra.9+0x70/0x100
[  372.740473]  ? bpf_prog_test_run_skb+0x634/0xb40
[  372.745252]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  372.750107]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  372.755645]  ? fput+0x130/0x1a0
[  372.758931]  ? __bpf_prog_get+0x9b/0x290
[  372.762998]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  372.767846]  ? bpf_prog_test_run+0x130/0x1a0
[  372.772261]  ? __x64_sys_bpf+0x3d8/0x510
[  372.776329]  ? bpf_prog_get+0x20/0x20
[  372.780144]  ? ksys_ioctl+0x81/0xd0
[  372.783794]  ? do_syscall_64+0x1b9/0x820
[  372.787878]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  372.793253]  ? syscall_return_slowpath+0x5e0/0x5e0
[  372.798188]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.803036]  ? trace_hardirqs_off+0x300/0x300
[  372.807571]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  372.812593]  ? prepare_exit_to_usermode+0x291/0x3b0
[  372.817619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.822474]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  372.827874] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  372.827960] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.834716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.834725] Call Trace:
[  372.841314] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.850570]  dump_stack+0x1c4/0x2b4
[  372.853131] syz-executor0 cpuset=
[  372.863622]  ? dump_stack_print_info.cold.2+0x52/0x52
[  372.867221] syz0
[  372.870704]  warn_alloc.cold.118+0xb7/0x1bd
[  372.875862]  mems_allowed=0
[  372.877836]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.889895]  ? lock_downgrade+0x900/0x900
[  372.894057]  ? trace_hardirqs_off+0xb8/0x300
[  372.898475]  ? trace_hardirqs_off+0xb8/0x300
[  372.902907]  __alloc_pages_slowpath+0x2667/0x2d80
[  372.907786]  ? warn_alloc+0x120/0x120
[  372.911598]  ? warn_alloc+0x120/0x120
[  372.915406]  ? print_usage_bug+0xc0/0xc0
[  372.919470]  ? warn_alloc+0x120/0x120
[  372.923293]  ? print_usage_bug+0xc0/0xc0
[  372.927362]  ? __lock_acquire+0x7ec/0x4ec0
[  372.931603]  ? __lock_acquire+0x7ec/0x4ec0
[  372.935851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.941398]  ? should_fail+0x22d/0xd01
[  372.945302]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.950414]  ? __lock_acquire+0x7ec/0x4ec0
[  372.954665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.959791]  ? __lock_acquire+0x7ec/0x4ec0
[  372.964045]  ? should_fail+0x22d/0xd01
[  372.967968]  ? mark_held_locks+0x130/0x130
[  372.972243]  ? mark_held_locks+0x130/0x130
[  372.976505]  ? graph_lock+0x170/0x170
[  372.980315]  ? graph_lock+0x170/0x170
[  372.984136]  ? graph_lock+0x170/0x170
[  372.987953]  ? print_usage_bug+0xc0/0xc0
[  372.992017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.997568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.003126]  ? check_preemption_disabled+0x48/0x200
[  373.008155]  ? check_preemption_disabled+0x48/0x200
[  373.013203]  ? __lock_is_held+0xb5/0x140
[  373.017309]  __alloc_pages_nodemask+0xa80/0xde0
[  373.021996]  ? graph_lock+0x170/0x170
[  373.025819]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  373.030853]  ? graph_lock+0x170/0x170
[  373.034703]  ? find_held_lock+0x36/0x1c0
[  373.038793]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.043495]  ? lock_downgrade+0x900/0x900
[  373.047666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.053257]  cache_grow_begin+0x91/0x8c0
[  373.057360]  ? do_raw_spin_unlock+0xa7/0x2f0
[  373.061803]  fallback_alloc+0x203/0x2e0
[  373.065819]  ____cache_alloc_node+0x1c7/0x1e0
[  373.070353]  kmem_cache_alloc_node+0xe3/0x730
[  373.074876]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.079150]  __alloc_skb+0x119/0x770
[  373.082905]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  373.088212]  ? skb_scrub_packet+0x490/0x490
[  373.092561]  ? lock_downgrade+0x900/0x900
[  373.096748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.102410]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.107901]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.113386]  ? addrconf_rs_timer+0x6f0/0x6f0
[  373.117851]  ndisc_alloc_skb+0x144/0x340
[  373.121938]  ndisc_send_rs+0x331/0x6e0
[  373.125846]  addrconf_rs_timer+0x3c0/0x6f0
[  373.130104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.134374]  call_timer_fn+0x272/0x920
[  373.138366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.142611]  ? process_timeout+0x40/0x40
[  373.146680]  ? find_held_lock+0x36/0x1c0
[  373.150762]  ? __run_timers+0x7da/0xc70
[  373.154759]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.159276]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.163782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.168026]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  373.172620]  ? trace_hardirqs_on+0xbd/0x310
[  373.176946]  ? kasan_check_read+0x11/0x20
[  373.181111]  ? __run_timers+0x7da/0xc70
[  373.185095]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  373.190562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.194813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.199058]  __run_timers+0x7e5/0xc70
[  373.202884]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  373.208266]  ? compat_start_thread+0x80/0x80
[  373.212692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.218279]  ? _raw_spin_unlock_irq+0x60/0x80
[  373.222813]  ? finish_task_switch+0x1f5/0x900
[  373.227327]  ? finish_task_switch+0x1b5/0x900
[  373.231840]  ? __switch_to_asm+0x34/0x70
[  373.235916]  ? preempt_notifier_register+0x200/0x200
[  373.241035]  ? __switch_to_asm+0x34/0x70
[  373.245107]  ? __switch_to_asm+0x40/0x70
[  373.249176]  ? __switch_to_asm+0x34/0x70
[  373.253257]  ? __switch_to_asm+0x40/0x70
[  373.257343]  ? __switch_to_asm+0x34/0x70
[  373.261408]  ? __switch_to_asm+0x40/0x70
[  373.265487]  ? __switch_to_asm+0x40/0x70
[  373.269564]  ? pvclock_read_flags+0x160/0x160
[  373.274071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.279630]  ? check_preemption_disabled+0x48/0x200
[  373.284669]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  373.289960]  ? rcu_pm_notify+0xc0/0xc0
[  373.293856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.299909]  ? check_preemption_disabled+0x48/0x200
[  373.304944]  run_timer_softirq+0x52/0xb0
[  373.309011]  ? rcu_read_lock_sched_held+0x108/0x120
[  373.314039]  __do_softirq+0x30b/0xad8
[  373.317857]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  373.322969]  ? trace_hardirqs_off_caller+0x300/0x300
[  373.328091]  ? schedule+0x108/0x460
[  373.331726]  ? __schedule+0x1ed0/0x1ed0
[  373.335715]  ? trace_hardirqs_off+0xb8/0x300
[  373.340137]  ? ___might_sleep+0x1ed/0x300
[  373.344300]  ? smpboot_thread_fn+0x68b/0xa00
[  373.348721]  ? trace_hardirqs_on+0x310/0x310
[  373.353150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.358712]  ? check_preemption_disabled+0x48/0x200
[  373.363747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.369306]  ? takeover_tasklets+0xa90/0xa90
[  373.373742]  run_ksoftirqd+0x94/0x100
[  373.377569]  smpboot_thread_fn+0x68b/0xa00
[  373.381829]  ? sort_range+0x30/0x30
[  373.385469]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  373.390600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.396152]  ? __kthread_parkme+0xfb/0x1a0
[  373.400410]  kthread+0x35a/0x420
[  373.403787]  ? sort_range+0x30/0x30
[  373.407419]  ? kthread_bind+0x40/0x40
[  373.411250]  ret_from_fork+0x3a/0x50
[  373.414993] warn_alloc_show_mem: 1 callbacks suppressed
[  373.415006] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  373.415008] Mem-Info:
[  373.415040] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  373.415040]  active_file:28 inactive_file:21 isolated_file:0
[  373.415040]  unevictable:0 dirty:0 writeback:0 unstable:0
[  373.415040]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  373.415040]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  373.415040]  free:13666 free_pcp:197 free_cma:0
[  373.420389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.428349] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  373.430760] Call Trace:
[  373.463808] Node 0 
[  373.473166]  <IRQ>
[  373.501033] 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
[  373.503595]  dump_stack+0x1c4/0x2b4
[  373.505802] lowmem_reserve[]:
[  373.507951]  ? dump_stack_print_info.cold.2+0x52/0x52
[  373.533439]  0
[  373.537088]  warn_alloc.cold.118+0xb7/0x1bd
[  373.540171]  2817
[  373.545355]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.547136]  6321
[  373.551458]  ? lock_downgrade+0x900/0x900
[  373.553507]  6321
[  373.558349]  ? trace_hardirqs_off+0xb8/0x300
[  373.564524]  ? trace_hardirqs_off+0xb8/0x300
[  373.566562] Node 0 
[  373.570968]  __alloc_pages_slowpath+0x2667/0x2d80
[  373.575387] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  373.577622]  ? warn_alloc+0x120/0x120
[  373.582427] lowmem_reserve[]:
[  373.609151]  ? trace_hardirqs_on+0x310/0x310
[  373.612925]  0
[  373.616026]  ? warn_alloc+0x120/0x120
[  373.620406]  0
[  373.622206]  ? print_usage_bug+0xc0/0xc0
[  373.625978]  3503
[  373.627778]  ? warn_alloc+0x120/0x120
[  373.631815]  3503
[  373.633876]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  373.639705]  ? print_usage_bug+0xc0/0xc0
[  373.644695] Node 0 
[  373.648749]  ? __lock_acquire+0x7ec/0x4ec0
[  373.648781] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  373.648788] lowmem_reserve[]:
[  373.651019]  ? __lock_acquire+0x7ec/0x4ec0
[  373.655241]  0
[  373.683800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.686879]  0
[  373.691111]  ? should_fail+0x22d/0xd01
[  373.692890]  0
[  373.698421]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.700197]  0
[  373.704079]  ? __lock_acquire+0x7ec/0x4ec0
[  373.710951]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.712727] Node 0 
[  373.716956]  ? __lock_acquire+0x7ec/0x4ec0
[  373.722031] DMA: 
[  373.724269]  ? should_fail+0x22d/0xd01
[  373.728502] 1*4kB 
[  373.730561]  ? print_usage_bug+0xc0/0xc0
[  373.734426] (U) 
[  373.736577]  ? mark_held_locks+0x130/0x130
[  373.740607] 0*8kB 
[  373.742577]  ? mark_held_locks+0x130/0x130
[  373.746785] 0*16kB 
[  373.748935]  ? graph_lock+0x170/0x170
[  373.753141] 1*32kB 
[  373.755368]  ? print_usage_bug+0xc0/0xc0
[  373.759142] (U) 
[  373.761375]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  373.765410] 2*64kB 
[  373.767381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.772107] (U) 
[  373.774339]  ? check_preemption_disabled+0x48/0x200
[  373.779845] 1*128kB 
[  373.781815]  ? check_preemption_disabled+0x48/0x200
[  373.786819] (U) 
[  373.789148]  ? __lock_is_held+0xb5/0x140
[  373.794126] 1*256kB (U) 
[  373.796111]  __alloc_pages_nodemask+0xa80/0xde0
[  373.800151] 0*512kB 
[  373.802813]  ? graph_lock+0x170/0x170
[  373.807460] 1*1024kB 
[  373.809813]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  373.813590] (U) 
[  373.815997]  ? graph_lock+0x170/0x170
[  373.820987] 1*2048kB 
[  373.822964]  ? find_held_lock+0x36/0x1c0
[  373.826732] (M) 
[  373.829148]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.833175] 3*4096kB 
[  373.835146]  ? lock_downgrade+0x900/0x900
[  373.839790] (M) 
[  373.842202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.846315] = 15908kB
[  373.846324] Node 0 
[  373.848304]  cache_grow_begin+0x91/0x8c0
[  373.853988] DMA32: 
[  373.856398]  ? do_raw_spin_unlock+0xa7/0x2f0
[  373.858607] 2*4kB 
[  373.862668]  fallback_alloc+0x203/0x2e0
[  373.864879] (M) 
[  373.869284]  ____cache_alloc_node+0x1c7/0x1e0
[  373.871406] 0*8kB 
[  373.875374]  kmem_cache_alloc_node+0xe3/0x730
[  373.877328] 3*16kB 
[  373.881829]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.883956] (M) 
[  373.888456]  __alloc_skb+0x119/0x770
[  373.890665] 2*32kB 
[  373.894911]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  373.896857] (UM) 
[  373.900564]  ? skb_scrub_packet+0x490/0x490
[  373.902775] 2*64kB 
[  373.908048]  ? lock_downgrade+0x900/0x900
[  373.910087] (M) 
[  373.914407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.916616] 4*128kB 
[  373.920768]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.922729] (UM) 
[  373.928264]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.930567] 2*256kB 
[  373.936009]  ? addrconf_rs_timer+0x6f0/0x6f0
[  373.938043] (M) 
[  373.943505]  ndisc_alloc_skb+0x144/0x340
[  373.945795] 4*512kB 
[  373.950196]  ndisc_send_rs+0x331/0x6e0
[  373.952143] (UM) 
[  373.956200]  addrconf_rs_timer+0x3c0/0x6f0
[  373.958507] 3*1024kB 
[  373.962393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.964431] (M) 
[  373.968671]  call_timer_fn+0x272/0x920
[  373.971049] 3*2048kB 
[  373.975276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.977229] (UM) 
[  373.981113]  ? process_timeout+0x40/0x40
[  373.983510] 3*4096kB 
[  373.987736]  ? find_held_lock+0x36/0x1c0
[  373.989783] (M) 
[  373.993846]  ? __run_timers+0x7da/0xc70
[  373.996230] = 24824kB
[  374.000301]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.002259] Node 0 
[  374.006224]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.008612] Normal: 
[  374.013102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.015313] 981*4kB 
[  374.019801]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  374.022100] (UMEH) 
[  374.026327]  ? trace_hardirqs_on+0xbd/0x310
[  374.028628] 521*8kB 
[  374.033202]  ? kasan_check_read+0x11/0x20
[  374.035412] (MEH) 
[  374.039742]  ? __run_timers+0x7da/0xc70
[  374.042053] 165*16kB 
[  374.046195]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.048322] (UMEH) 
[  374.052296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.054687] 24*32kB 
[  374.060132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.062341] (MEH) 
[  374.066575]  __run_timers+0x7e5/0xc70
[  374.068878] 4*64kB 
[  374.073115]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  374.075228] (MH) 
[  374.079021]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  374.081234] 3*128kB 
[  374.086589]  ? graph_lock+0x170/0x170
[  374.088627] (UH) 
[  374.093651]  ? enqueue_hrtimer+0x1a5/0x560
[  374.095947] 1*256kB 
[  374.099772]  ? lock_release+0x970/0x970
[  374.101814] (U) 
[  374.106047]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  374.108364] 1*512kB 
[  374.112339]  ? find_held_lock+0x36/0x1c0
[  374.114284] (U) 
[  374.119475]  ? graph_lock+0x170/0x170
[  374.121781] 1*1024kB 
[  374.125840]  ? pvclock_read_flags+0x160/0x160
[  374.127794] (H) 
[  374.131590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.133967] 0*2048kB 0*4096kB 
[  374.138467]  ? check_preemption_disabled+0x48/0x200
[  374.140419] = 13932kB
[  374.145964]  ? __lock_is_held+0xb5/0x140
[  374.149132] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.154139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.156546] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.160606]  ? check_preemption_disabled+0x48/0x200
[  374.169414] 4507 total pagecache pages
[  374.174951]  run_timer_softirq+0x52/0xb0
[  374.183514] 0 pages in swap cache
[  374.188530]  ? rcu_read_lock_sched_held+0x108/0x120
[  374.192390] Swap cache stats: add 0, delete 0, find 0/0
[  374.196443]  __do_softirq+0x30b/0xad8
[  374.199868] Free swap  = 0kB
[  374.204885]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  374.210218] Total swap = 0kB
[  374.214018]  ? pvclock_read_flags+0x160/0x160
[  374.217012] 1965979 pages RAM
[  374.222108]  ? lapic_next_event+0x5a/0x90
[  374.225102] 0 pages HighMem/MovableOnly
[  374.229592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.232671] 342744 pages reserved
[  374.232679] 0 pages cma reserved
[  374.236828]  ? check_preemption_disabled+0x48/0x200
[  374.240879] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.246296]  ? check_preemption_disabled+0x48/0x200
[  374.246316]  ? kvm_clock_read+0x18/0x30
[  374.246328]  ? kvm_sched_clock_read+0x9/0x20
[  374.246351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.249850] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.253155]  ? check_preemption_disabled+0x48/0x200
[  374.258144] ksoftirqd/1 cpuset=
[  374.264677]  irq_exit+0x17f/0x1c0
[  374.269660] /
[  374.273631]  smp_apic_timer_interrupt+0x1cb/0x760
[  374.278017]  mems_allowed=0
[  374.283549]  ? smp_reschedule_interrupt+0x109/0x650
[  374.320081]  ? smp_call_function_single_interrupt+0x650/0x650
[  374.326056]  ? interrupt_entry+0xb5/0xf0
[  374.330130]  ? trace_hardirqs_off_caller+0xbb/0x300
[  374.335242]  ? trace_hardirqs_off_caller+0xbb/0x300
[  374.340265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.345108]  ? trace_hardirqs_off+0x300/0x300
[  374.349606]  ? trace_hardirqs_off+0x300/0x300
[  374.354103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.359645]  ? check_preemption_disabled+0x48/0x200
[  374.364662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.370209]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.375064]  apic_timer_interrupt+0xf/0x20
[  374.379293]  </IRQ>
[  374.381537] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  374.386473] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  374.405390] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  374.413106] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  374.420381] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  374.427656] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  374.434929] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  374.442203] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  374.449537]  skb_clone+0x1bb/0x500
[  374.453085]  ? skb_split+0x11e0/0x11e0
[  374.456978]  ? preempt_notifier_register+0x200/0x200
[  374.462085]  ? __switch_to_asm+0x34/0x70
[  374.466146]  ? __switch_to_asm+0x34/0x70
[  374.470205]  ? __switch_to_asm+0x40/0x70
[  374.474265]  ? __switch_to_asm+0x34/0x70
[  374.478323]  ? __switch_to_asm+0x40/0x70
[  374.482385]  ? __switch_to_asm+0x40/0x70
[  374.486453]  ? __switch_to_asm+0x34/0x70
[  374.490522]  ? __switch_to_asm+0x34/0x70
[  374.494585]  ? __switch_to_asm+0x40/0x70
[  374.498656]  ? __switch_to_asm+0x34/0x70
[  374.502731]  bpf_clone_redirect+0xb9/0x490
[  374.506981]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  374.512002]  ? __sched_text_start+0x8/0x8
[  374.516156]  ? lockdep_hardirqs_on+0x421/0x5c0
[  374.520737]  ? retint_kernel+0x2d/0x2d
[  374.524630]  ? trace_hardirqs_on_caller+0xc0/0x300
[  374.529569]  ? find_held_lock+0x36/0x1c0
[  374.533637]  ? lock_acquire+0x1ed/0x520
[  374.537614]  ? bpf_test_run+0x32e/0x5a0
[  374.541597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.547140]  ? check_preemption_disabled+0x48/0x200
[  374.552169]  ? kasan_check_read+0x11/0x20
[  374.556324]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  374.561608]  ? rcu_bh_qs+0xc0/0xc0
[  374.565151]  ? preempt_schedule+0x4d/0x60
[  374.569305]  ? ___preempt_schedule+0x16/0x18
[  374.573723]  ? bpf_test_run+0x1c0/0x5a0
[  374.577718]  ? netlink_diag_dump+0x2a0/0x2a0
[  374.582131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.587669]  ? bpf_test_init.isra.9+0x70/0x100
[  374.592263]  ? bpf_prog_test_run_skb+0x634/0xb40
[  374.597030]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  374.601875]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  374.607414]  ? fput+0x130/0x1a0
[  374.610722]  ? __bpf_prog_get+0x9b/0x290
[  374.614795]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  374.619639]  ? bpf_prog_test_run+0x130/0x1a0
[  374.624057]  ? __x64_sys_bpf+0x3d8/0x510
[  374.628122]  ? bpf_prog_get+0x20/0x20
[  374.631940]  ? ksys_ioctl+0x81/0xd0
[  374.635583]  ? do_syscall_64+0x1b9/0x820
[  374.639647]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  374.645017]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.649944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.654796]  ? trace_hardirqs_off+0x300/0x300
[  374.659295]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  374.664314]  ? prepare_exit_to_usermode+0x291/0x3b0
[  374.669337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.674189]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  374.679573] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  374.679666] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.686419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.686424] Call Trace:
[  374.686443]  dump_stack+0x1c4/0x2b4
[  374.686460]  ? dump_stack_print_info.cold.2+0x52/0x52
[  374.686496]  warn_alloc.cold.118+0xb7/0x1bd
[  374.693022] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.702399]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.704963] syz-executor0 cpuset=
[  374.708584]  ? lock_downgrade+0x900/0x900
[  374.713746] syz0
[  374.718067]  ? trace_hardirqs_off+0xb8/0x300
[  374.728524]  mems_allowed=0
[  374.733359]  ? trace_hardirqs_off+0xb8/0x300
[  374.754607]  __alloc_pages_slowpath+0x2667/0x2d80
[  374.759955]  ? warn_alloc+0x120/0x120
[  374.763764]  ? warn_alloc+0x120/0x120
[  374.767574]  ? print_usage_bug+0xc0/0xc0
[  374.771640]  ? warn_alloc+0x120/0x120
[  374.775448]  ? print_usage_bug+0xc0/0xc0
[  374.779524]  ? __lock_acquire+0x7ec/0x4ec0
[  374.783761]  ? __lock_acquire+0x7ec/0x4ec0
[  374.788004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.793542]  ? should_fail+0x22d/0xd01
[  374.797460]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.802575]  ? __lock_acquire+0x7ec/0x4ec0
[  374.806821]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.811924]  ? __lock_acquire+0x7ec/0x4ec0
[  374.816162]  ? should_fail+0x22d/0xd01
[  374.820067]  ? mark_held_locks+0x130/0x130
[  374.824307]  ? mark_held_locks+0x130/0x130
[  374.828542]  ? graph_lock+0x170/0x170
[  374.832526]  ? graph_lock+0x170/0x170
[  374.836335]  ? graph_lock+0x170/0x170
[  374.840135]  ? print_usage_bug+0xc0/0xc0
[  374.844208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.849750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.855294]  ? check_preemption_disabled+0x48/0x200
[  374.860314]  ? check_preemption_disabled+0x48/0x200
[  374.865344]  ? __lock_is_held+0xb5/0x140
[  374.869417]  __alloc_pages_nodemask+0xa80/0xde0
[  374.874091]  ? graph_lock+0x170/0x170
[  374.877901]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  374.882915]  ? graph_lock+0x170/0x170
[  374.886731]  ? find_held_lock+0x36/0x1c0
[  374.890808]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.895490]  ? lock_downgrade+0x900/0x900
[  374.899670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.905217]  cache_grow_begin+0x91/0x8c0
[  374.909288]  ? do_raw_spin_unlock+0xa7/0x2f0
[  374.913705]  fallback_alloc+0x203/0x2e0
[  374.917692]  ____cache_alloc_node+0x1c7/0x1e0
[  374.922196]  kmem_cache_alloc_node+0xe3/0x730
[  374.926699]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.930945]  __alloc_skb+0x119/0x770
[  374.934670]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  374.939953]  ? skb_scrub_packet+0x490/0x490
[  374.944283]  ? lock_downgrade+0x900/0x900
[  374.948464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.954102]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.959564]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.965021]  ? addrconf_rs_timer+0x6f0/0x6f0
[  374.969445]  ndisc_alloc_skb+0x144/0x340
[  374.973522]  ndisc_send_rs+0x331/0x6e0
[  374.977423]  addrconf_rs_timer+0x3c0/0x6f0
[  374.981666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.985920]  call_timer_fn+0x272/0x920
[  374.989813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.994050]  ? process_timeout+0x40/0x40
[  374.998114]  ? find_held_lock+0x36/0x1c0
[  375.002186]  ? __run_timers+0x7da/0xc70
[  375.006166]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.010664]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.015164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.019400]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  375.023988]  ? trace_hardirqs_on+0xbd/0x310
[  375.028311]  ? kasan_check_read+0x11/0x20
[  375.032476]  ? __run_timers+0x7da/0xc70
[  375.036471]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  375.041940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.046184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.050420]  __run_timers+0x7e5/0xc70
[  375.054240]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  375.059608]  ? compat_start_thread+0x80/0x80
[  375.064025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.069569]  ? _raw_spin_unlock_irq+0x60/0x80
[  375.074068]  ? finish_task_switch+0x1f5/0x900
[  375.078563]  ? finish_task_switch+0x1b5/0x900
[  375.083059]  ? __switch_to_asm+0x34/0x70
[  375.087129]  ? preempt_notifier_register+0x200/0x200
[  375.092236]  ? __switch_to_asm+0x34/0x70
[  375.096298]  ? __switch_to_asm+0x40/0x70
[  375.100357]  ? __switch_to_asm+0x34/0x70
[  375.104437]  ? __switch_to_asm+0x40/0x70
[  375.108512]  ? __switch_to_asm+0x34/0x70
[  375.112574]  ? __switch_to_asm+0x40/0x70
[  375.116638]  ? __switch_to_asm+0x40/0x70
[  375.120711]  ? pvclock_read_flags+0x160/0x160
[  375.125210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.130751]  ? check_preemption_disabled+0x48/0x200
[  375.135784]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  375.141165]  ? rcu_pm_notify+0xc0/0xc0
[  375.145058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.150599]  ? check_preemption_disabled+0x48/0x200
[  375.155631]  run_timer_softirq+0x52/0xb0
[  375.159694]  ? rcu_read_lock_sched_held+0x108/0x120
[  375.164733]  __do_softirq+0x30b/0xad8
[  375.168550]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  375.173655]  ? trace_hardirqs_off_caller+0x300/0x300
[  375.178769]  ? schedule+0x108/0x460
[  375.182402]  ? __schedule+0x1ed0/0x1ed0
[  375.186390]  ? trace_hardirqs_off+0xb8/0x300
[  375.190802]  ? ___might_sleep+0x1ed/0x300
[  375.194948]  ? smpboot_thread_fn+0x68b/0xa00
[  375.199374]  ? trace_hardirqs_on+0x310/0x310
[  375.203789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.209331]  ? check_preemption_disabled+0x48/0x200
[  375.214346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.219893]  ? takeover_tasklets+0xa90/0xa90
[  375.224310]  run_ksoftirqd+0x94/0x100
[  375.228114]  smpboot_thread_fn+0x68b/0xa00
[  375.232351]  ? sort_range+0x30/0x30
[  375.235982]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  375.241090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.246648]  ? __kthread_parkme+0xfb/0x1a0
[  375.250896]  kthread+0x35a/0x420
[  375.254276]  ? sort_range+0x30/0x30
[  375.257907]  ? kthread_bind+0x40/0x40
[  375.261733]  ret_from_fork+0x3a/0x50
[  375.265505] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  375.265511] warn_alloc_show_mem: 1 callbacks suppressed
[  375.265519] Mem-Info:
[  375.272796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.278170] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  375.278170]  active_file:28 inactive_file:21 isolated_file:0
[  375.278170]  unevictable:0 dirty:0 writeback:0 unstable:0
[  375.278170]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  375.278170]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  375.278170]  free:13666 free_pcp:197 free_cma:0
[  375.280567] Call Trace:
[  375.289986] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  375.323526]  <IRQ>
[  375.326101] Node 0 
[  375.353956]  dump_stack+0x1c4/0x2b4
[  375.356104] 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
[  375.358400]  ? dump_stack_print_info.cold.2+0x52/0x52
[  375.362001] lowmem_reserve[]:
[  375.387531]  warn_alloc.cold.118+0xb7/0x1bd
[  375.392688]  0
[  375.395821]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.400133]  2817
[  375.401937]  ? lock_downgrade+0x900/0x900
[  375.406761]  6321
[  375.408848]  ? trace_hardirqs_off+0xb8/0x300
[  375.412962]  6321
[  375.415024]  ? trace_hardirqs_off+0xb8/0x300
[  375.421498]  __alloc_pages_slowpath+0x2667/0x2d80
[  375.425867] Node 0 DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  375.431219]  ? warn_alloc+0x120/0x120
[  375.431238]  ? warn_alloc+0x120/0x120
[  375.459055] lowmem_reserve[]: 0
[  375.462871]  ? print_usage_bug+0xc0/0xc0
[  375.466638]  0 3503
[  375.469920]  ? warn_alloc+0x120/0x120
[  375.473958]  3503
[  375.476189]  ? print_usage_bug+0xc0/0xc0
[  375.482020]  ? __lock_acquire+0x7ec/0x4ec0
[  375.486061] Node 0 
[  375.490290]  ? __lock_acquire+0x7ec/0x4ec0
[  375.490322] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  375.490329] lowmem_reserve[]:
[  375.492563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.496773]  0
[  375.525316]  ? should_fail+0x22d/0xd01
[  375.528395]  0
[  375.533929]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.535705]  0
[  375.539587]  ? __lock_acquire+0x7ec/0x4ec0
[  375.541366]  0
[  375.546464]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.548245] Node 0 
[  375.552475]  ? __lock_acquire+0x7ec/0x4ec0
[  375.554272] DMA: 1*4kB 
[  375.559381]  ? should_fail+0x22d/0xd01
[  375.561599] (U) 
[  375.565835]  ? mark_held_locks+0x130/0x130
[  375.568385] 0*8kB 
[  375.572287]  ? mark_held_locks+0x130/0x130
[  375.574247] 0*16kB 
[  375.578477]  ? graph_lock+0x170/0x170
[  375.580609] 1*32kB 
[  375.584834]  ? graph_lock+0x170/0x170
[  375.587059] (U) 
[  375.590856]  ? graph_lock+0x170/0x170
[  375.593072] 2*64kB 
[  375.596881]  ? print_usage_bug+0xc0/0xc0
[  375.598833] (U) 
[  375.602628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.604842] 1*128kB 
[  375.608899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.610850] (U) 
[  375.616383]  ? check_preemption_disabled+0x48/0x200
[  375.618672] 1*256kB (U) 
[  375.624226]  ? check_preemption_disabled+0x48/0x200
[  375.626177] 0*512kB 
[  375.631196]  ? __lock_is_held+0xb5/0x140
[  375.633832] 1*1024kB 
[  375.638849]  __alloc_pages_nodemask+0xa80/0xde0
[  375.641144] (U) 
[  375.645198]  ? graph_lock+0x170/0x170
[  375.647584] 1*2048kB 
[  375.652247]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  375.654203] (M) 
[  375.657999]  ? graph_lock+0x170/0x170
[  375.660390] 3*4096kB 
[  375.665410]  ? find_held_lock+0x36/0x1c0
[  375.667351] (M) 
[  375.671166]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.673548] = 15908kB
[  375.677639]  ? lock_downgrade+0x900/0x900
[  375.679593] Node 0 
[  375.684264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.686651] DMA32: 
[  375.690797]  cache_grow_begin+0x91/0x8c0
[  375.693008] 2*4kB 
[  375.698539]  ? do_raw_spin_unlock+0xa7/0x2f0
[  375.700746] (M) 
[  375.704811]  fallback_alloc+0x203/0x2e0
[  375.706925] 0*8kB 3*16kB 
[  375.711340]  ____cache_alloc_node+0x1c7/0x1e0
[  375.713290] (M) 
[  375.717264]  kmem_cache_alloc_node+0xe3/0x730
[  375.719999] 2*32kB 
[  375.724499]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.726449] (UM) 
[  375.730945]  __alloc_skb+0x119/0x770
[  375.733151] 2*64kB 
[  375.737384]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  375.739422] (M) 
[  375.743132]  ? skb_scrub_packet+0x490/0x490
[  375.745337] 4*128kB (UM) 
[  375.750620]  ? lock_downgrade+0x900/0x900
[  375.752576] 2*256kB 
[  375.756899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.759628] (M) 
[  375.763776]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.766073] 4*512kB 
[  375.771606]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.773559] (UM) 
[  375.779005]  ? addrconf_rs_timer+0x6f0/0x6f0
[  375.781298] 3*1024kB (M) 
[  375.786771]  ndisc_alloc_skb+0x144/0x340
[  375.788859] 3*2048kB (UM) 
[  375.793277]  ndisc_send_rs+0x331/0x6e0
[  375.796010] 3*4096kB 
[  375.800068]  addrconf_rs_timer+0x3c0/0x6f0
[  375.802882] (M) 
[  375.806774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.809155] = 24824kB
[  375.813392]  call_timer_fn+0x272/0x920
[  375.815333] Node 0 
[  375.819570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.821963] Normal: 
[  375.825849]  ? process_timeout+0x40/0x40
[  375.828064] 981*4kB 
[  375.832308]  ? find_held_lock+0x36/0x1c0
[  375.834609] (UMEH) 
[  375.838669]  ? __run_timers+0x7da/0xc70
[  375.840962] 521*8kB 
[  375.845017]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.847226] (MEH) 
[  375.851209]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.853514] 165*16kB 
[  375.858021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.860148] (UMEH) 
[  375.864637]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  375.867024] 24*32kB 
[  375.871251]  ? trace_hardirqs_on+0xbd/0x310
[  375.873466] (MEH) 
[  375.878056]  ? kasan_check_read+0x11/0x20
[  375.880370] 4*64kB 
[  375.884696]  ? __run_timers+0x7da/0xc70
[  375.886821] (MH) 
[  375.890966]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  375.893175] 3*128kB (UH) 
[  375.897154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.899193] 1*256kB 
[  375.904638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.907369] (U) 
[  375.911600]  __run_timers+0x7e5/0xc70
[  375.913897] 1*512kB 
[  375.918136]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  375.920080] (U) 
[  375.923874]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.926172] 1*1024kB 
[  375.931531]  ? graph_lock+0x170/0x170
[  375.933490] (H) 
[  375.938508]  ? enqueue_hrtimer+0x1a5/0x560
[  375.940894] 0*2048kB 
[  375.944683]  ? lock_release+0x970/0x970
[  375.946637] 0*4096kB 
[  375.950860]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.953246] = 13932kB
[  375.957217]  ? find_held_lock+0x36/0x1c0
[  375.959608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  375.964786]  ? graph_lock+0x170/0x170
[  375.967181] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  375.971229]  ? pvclock_read_flags+0x160/0x160
[  375.980043] 4507 total pagecache pages
[  375.983843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.992396] 0 pages in swap cache
[  375.996886]  ? check_preemption_disabled+0x48/0x200
[  376.000741] Swap cache stats: add 0, delete 0, find 0/0
[  376.000750] Free swap  = 0kB
[  376.006293]  ? __lock_is_held+0xb5/0x140
[  376.009715] Total swap = 0kB
[  376.014727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.020066] 1965979 pages RAM
[  376.023082]  ? check_preemption_disabled+0x48/0x200
[  376.027117] 0 pages HighMem/MovableOnly
[  376.030136]  run_timer_softirq+0x52/0xb0
[  376.035646] 342744 pages reserved
[  376.038752]  ? rcu_read_lock_sched_held+0x108/0x120
[  376.043746] 0 pages cma reserved
[  376.047726]  __do_softirq+0x30b/0xad8
[  376.051847] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.055221]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  376.060304] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.063567]  ? pvclock_read_flags+0x160/0x160
[  376.067341] ksoftirqd/1 cpuset=
[  376.073852]  ? lapic_next_event+0x5a/0x90
[  376.079019] /
[  376.089330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.093802]  mems_allowed=0
[  376.097170]  ? check_preemption_disabled+0x48/0x200
[  376.116441]  ? check_preemption_disabled+0x48/0x200
[  376.121468]  ? kvm_clock_read+0x18/0x30
[  376.125454]  ? kvm_sched_clock_read+0x9/0x20
[  376.129875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.135417]  ? check_preemption_disabled+0x48/0x200
[  376.140447]  irq_exit+0x17f/0x1c0
[  376.143914]  smp_apic_timer_interrupt+0x1cb/0x760
[  376.148766]  ? smp_reschedule_interrupt+0x109/0x650
[  376.153795]  ? smp_call_function_single_interrupt+0x650/0x650
[  376.159688]  ? interrupt_entry+0xb5/0xf0
[  376.163759]  ? trace_hardirqs_off_caller+0xbb/0x300
[  376.168778]  ? trace_hardirqs_off_caller+0xbb/0x300
[  376.173796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.178642]  ? trace_hardirqs_off+0x300/0x300
[  376.183138]  ? trace_hardirqs_off+0x300/0x300
[  376.187640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.193187]  ? check_preemption_disabled+0x48/0x200
[  376.198207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.203758]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.208612]  apic_timer_interrupt+0xf/0x20
[  376.212842]  </IRQ>
[  376.215082] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  376.220014] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  376.238922] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  376.246644] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  376.253915] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  376.261184] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  376.268461] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  376.275741] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  376.283067]  skb_clone+0x1bb/0x500
[  376.286611]  ? skb_split+0x11e0/0x11e0
[  376.290515]  ? preempt_notifier_register+0x200/0x200
[  376.295624]  ? __switch_to_asm+0x34/0x70
[  376.299691]  ? __switch_to_asm+0x34/0x70
[  376.303752]  ? __switch_to_asm+0x40/0x70
[  376.307819]  ? __switch_to_asm+0x34/0x70
[  376.311878]  ? __switch_to_asm+0x40/0x70
[  376.315942]  ? __switch_to_asm+0x40/0x70
[  376.320005]  ? __switch_to_asm+0x34/0x70
[  376.324068]  ? __switch_to_asm+0x34/0x70
[  376.328130]  ? __switch_to_asm+0x40/0x70
[  376.332199]  ? __switch_to_asm+0x34/0x70
[  376.336274]  bpf_clone_redirect+0xb9/0x490
[  376.340527]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  376.345550]  ? __sched_text_start+0x8/0x8
[  376.349703]  ? lockdep_hardirqs_on+0x421/0x5c0
[  376.354285]  ? retint_kernel+0x2d/0x2d
[  376.358178]  ? trace_hardirqs_on_caller+0xc0/0x300
[  376.363117]  ? find_held_lock+0x36/0x1c0
[  376.367185]  ? lock_acquire+0x1ed/0x520
[  376.371161]  ? bpf_test_run+0x32e/0x5a0
[  376.375139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.380680]  ? check_preemption_disabled+0x48/0x200
[  376.385707]  ? kasan_check_read+0x11/0x20
[  376.389877]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  376.395175]  ? rcu_bh_qs+0xc0/0xc0
[  376.398734]  ? preempt_schedule+0x4d/0x60
[  376.402901]  ? ___preempt_schedule+0x16/0x18
[  376.407326]  ? bpf_test_run+0x1c0/0x5a0
[  376.411322]  ? netlink_diag_dump+0x2a0/0x2a0
[  376.415742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.421302]  ? bpf_test_init.isra.9+0x70/0x100
[  376.425909]  ? bpf_prog_test_run_skb+0x634/0xb40
[  376.430684]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  376.435533]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  376.441080]  ? fput+0x130/0x1a0
[  376.444369]  ? __bpf_prog_get+0x9b/0x290
[  376.448449]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  376.453306]  ? bpf_prog_test_run+0x130/0x1a0
[  376.457726]  ? __x64_sys_bpf+0x3d8/0x510
[  376.461797]  ? bpf_prog_get+0x20/0x20
[  376.465613]  ? ksys_ioctl+0x81/0xd0
[  376.469255]  ? do_syscall_64+0x1b9/0x820
[  376.473324]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  376.478701]  ? syscall_return_slowpath+0x5e0/0x5e0
[  376.483634]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.488491]  ? trace_hardirqs_off+0x300/0x300
[  376.492997]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  376.498025]  ? prepare_exit_to_usermode+0x291/0x3b0
[  376.503058]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.507913]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  376.513301] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  376.513386] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.520147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.520153] Call Trace:
[  376.520175]  dump_stack+0x1c4/0x2b4
[  376.520196]  ? dump_stack_print_info.cold.2+0x52/0x52
[  376.526785] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.536048]  warn_alloc.cold.118+0xb7/0x1bd
[  376.538600] syz-executor0 cpuset=
[  376.542224]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.547398] syz0
[  376.557894]  ? lock_downgrade+0x900/0x900
[  376.562206]  mems_allowed=0
[  376.565663]  ? trace_hardirqs_off+0xb8/0x300
[  376.583927]  ? trace_hardirqs_off+0xb8/0x300
[  376.588439]  __alloc_pages_slowpath+0x2667/0x2d80
[  376.593320]  ? warn_alloc+0x120/0x120
[  376.597143]  ? warn_alloc+0x120/0x120
[  376.600958]  ? print_usage_bug+0xc0/0xc0
[  376.605026]  ? warn_alloc+0x120/0x120
[  376.608839]  ? print_usage_bug+0xc0/0xc0
[  376.612903]  ? __lock_acquire+0x7ec/0x4ec0
[  376.617144]  ? __lock_acquire+0x7ec/0x4ec0
[  376.621384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.626926]  ? should_fail+0x22d/0xd01
[  376.630819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.635930]  ? __lock_acquire+0x7ec/0x4ec0
[  376.640171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.645281]  ? __lock_acquire+0x7ec/0x4ec0
[  376.649521]  ? should_fail+0x22d/0xd01
[  376.653406]  ? print_usage_bug+0xc0/0xc0
[  376.657494]  ? mark_held_locks+0x130/0x130
[  376.661736]  ? mark_held_locks+0x130/0x130
[  376.665983]  ? graph_lock+0x170/0x170
[  376.669788]  ? print_usage_bug+0xc0/0xc0
[  376.673855]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  376.678613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.684155]  ? check_preemption_disabled+0x48/0x200
[  376.689178]  ? check_preemption_disabled+0x48/0x200
[  376.694208]  ? __lock_is_held+0xb5/0x140
[  376.698304]  __alloc_pages_nodemask+0xa80/0xde0
[  376.702978]  ? graph_lock+0x170/0x170
[  376.706790]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  376.711803]  ? graph_lock+0x170/0x170
[  376.715618]  ? find_held_lock+0x36/0x1c0
[  376.719692]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.724449]  ? lock_downgrade+0x900/0x900
[  376.728618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.734162]  cache_grow_begin+0x91/0x8c0
[  376.738229]  ? do_raw_spin_unlock+0xa7/0x2f0
[  376.742656]  fallback_alloc+0x203/0x2e0
[  376.746640]  ____cache_alloc_node+0x1c7/0x1e0
[  376.751143]  kmem_cache_alloc_node+0xe3/0x730
[  376.755640]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.759895]  __alloc_skb+0x119/0x770
[  376.763618]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  376.769009]  ? skb_scrub_packet+0x490/0x490
[  376.773334]  ? lock_downgrade+0x900/0x900
[  376.777501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.783047]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.788511]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.793965]  ? addrconf_rs_timer+0x6f0/0x6f0
[  376.798396]  ndisc_alloc_skb+0x144/0x340
[  376.802467]  ndisc_send_rs+0x331/0x6e0
[  376.806369]  addrconf_rs_timer+0x3c0/0x6f0
[  376.810612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.814869]  call_timer_fn+0x272/0x920
[  376.818760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.822998]  ? process_timeout+0x40/0x40
[  376.827057]  ? find_held_lock+0x36/0x1c0
[  376.831139]  ? __run_timers+0x7da/0xc70
[  376.835118]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.839617]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.844115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.848356]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  376.852946]  ? trace_hardirqs_on+0xbd/0x310
[  376.857278]  ? kasan_check_read+0x11/0x20
[  376.861431]  ? __run_timers+0x7da/0xc70
[  376.865446]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.870904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.875149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.879386]  __run_timers+0x7e5/0xc70
[  376.883221]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  376.888592]  ? compat_start_thread+0x80/0x80
[  376.893008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.898558]  ? _raw_spin_unlock_irq+0x60/0x80
[  376.903059]  ? finish_task_switch+0x1f5/0x900
[  376.907682]  ? finish_task_switch+0x1b5/0x900
[  376.912182]  ? __switch_to_asm+0x34/0x70
[  376.916250]  ? preempt_notifier_register+0x200/0x200
[  376.921364]  ? __switch_to_asm+0x34/0x70
[  376.925426]  ? __switch_to_asm+0x40/0x70
[  376.929497]  ? __switch_to_asm+0x34/0x70
[  376.933563]  ? __switch_to_asm+0x40/0x70
[  376.937623]  ? __switch_to_asm+0x34/0x70
[  376.941688]  ? __switch_to_asm+0x40/0x70
[  376.945751]  ? __switch_to_asm+0x40/0x70
[  376.949823]  ? pvclock_read_flags+0x160/0x160
[  376.954323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.959873]  ? check_preemption_disabled+0x48/0x200
[  376.964901]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  376.970184]  ? rcu_pm_notify+0xc0/0xc0
[  376.974080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.979626]  ? check_preemption_disabled+0x48/0x200
[  376.984657]  run_timer_softirq+0x52/0xb0
[  376.988721]  ? rcu_read_lock_sched_held+0x108/0x120
[  376.993742]  __do_softirq+0x30b/0xad8
[  376.997558]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  377.002664]  ? trace_hardirqs_off_caller+0x300/0x300
[  377.007783]  ? schedule+0x108/0x460
[  377.011415]  ? __schedule+0x1ed0/0x1ed0
[  377.015394]  ? trace_hardirqs_off+0xb8/0x300
[  377.019808]  ? ___might_sleep+0x1ed/0x300
[  377.023955]  ? smpboot_thread_fn+0x68b/0xa00
[  377.028369]  ? trace_hardirqs_on+0x310/0x310
[  377.032780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.038324]  ? check_preemption_disabled+0x48/0x200
[  377.043342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.048884]  ? takeover_tasklets+0xa90/0xa90
[  377.053312]  run_ksoftirqd+0x94/0x100
[  377.057116]  smpboot_thread_fn+0x68b/0xa00
[  377.061361]  ? sort_range+0x30/0x30
[  377.064989]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  377.070095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.075637]  ? __kthread_parkme+0xfb/0x1a0
[  377.079877]  kthread+0x35a/0x420
[  377.083243]  ? sort_range+0x30/0x30
[  377.086876]  ? kthread_bind+0x40/0x40
[  377.090684]  ret_from_fork+0x3a/0x50
[  377.094439] warn_alloc_show_mem: 1 callbacks suppressed
[  377.094452] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  377.094454] Mem-Info:
[  377.094496] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  377.094496]  active_file:28 inactive_file:21 isolated_file:0
[  377.094496]  unevictable:0 dirty:0 writeback:0 unstable:0
[  377.094496]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  377.094496]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  377.094496]  free:13666 free_pcp:197 free_cma:0
[  377.099830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.107109] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  377.109513] Call Trace:
[  377.142558] Node 0 
[  377.151902]  <IRQ>
[  377.179764] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  377.182334]  dump_stack+0x1c4/0x2b4
[  377.184538] lowmem_reserve[]:
[  377.186681]  ? dump_stack_print_info.cold.2+0x52/0x52
[  377.212179]  0
[  377.215817]  warn_alloc.cold.118+0xb7/0x1bd
[  377.218883]  2817
[  377.224083]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.225862]  6321
[  377.230181]  ? lock_downgrade+0x900/0x900
[  377.232477]  6321
[  377.237327]  ? trace_hardirqs_off+0xb8/0x300
[  377.243519]  ? trace_hardirqs_off+0xb8/0x300
[  377.245562] Node 0 
[  377.249973]  __alloc_pages_slowpath+0x2667/0x2d80
[  377.254371] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  377.256607]  ? warn_alloc+0x120/0x120
[  377.261391] lowmem_reserve[]: 0
[  377.288227]  ? trace_hardirqs_on+0x310/0x310
[  377.291999]  0
[  377.295662]  ? warn_alloc+0x120/0x120
[  377.295681]  ? print_usage_bug+0xc0/0xc0
[  377.300077]  3503
[  377.301876]  ? warn_alloc+0x120/0x120
[  377.305654]  3503
[  377.309708]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  377.315559]  ? print_usage_bug+0xc0/0xc0
[  377.317598] Node 0 
[  377.322606]  ? __lock_acquire+0x7ec/0x4ec0
[  377.326670] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  377.328877]  ? __lock_acquire+0x7ec/0x4ec0
[  377.333087] lowmem_reserve[]:
[  377.361636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.365844]  0
[  377.368946]  ? should_fail+0x22d/0xd01
[  377.374457]  0
[  377.376263]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.380124]  0
[  377.381922]  ? __lock_acquire+0x7ec/0x4ec0
[  377.387016]  0
[  377.388819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.393025] Node 0 
[  377.394825]  ? __lock_acquire+0x7ec/0x4ec0
[  377.399901] DMA: 
[  377.402134]  ? should_fail+0x22d/0xd01
[  377.406342] 1*4kB 
[  377.408403]  ? print_usage_bug+0xc0/0xc0
[  377.412270] (U) 
[  377.414428]  ? mark_held_locks+0x130/0x130
[  377.418454] 0*8kB 
[  377.420430]  ? mark_held_locks+0x130/0x130
[  377.424641] 0*16kB 
[  377.427217]  ? graph_lock+0x170/0x170
[  377.427226]  ? print_usage_bug+0xc0/0xc0
[  377.427235]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  377.427246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.427258]  ? check_preemption_disabled+0x48/0x200
[  377.427271]  ? check_preemption_disabled+0x48/0x200
[  377.427294]  ? __lock_is_held+0xb5/0x140
[  377.431513] 1*32kB 
[  377.433760]  __alloc_pages_nodemask+0xa80/0xde0
[  377.437526] (U) 
[  377.441582]  ? graph_lock+0x170/0x170
[  377.446316] 2*64kB 
[  377.451856]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  377.456841] (U) 
[  377.461856]  ? graph_lock+0x170/0x170
[  377.465885] 1*128kB (U) 
[  377.468135]  ? find_held_lock+0x36/0x1c0
[  377.472788] 1*256kB 
[  377.474771]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.478538] (U) 
[  377.480772]  ? lock_downgrade+0x900/0x900
[  377.485772] 0*512kB 1*1024kB 
[  377.487765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.491527] (U) 
[  377.494196]  cache_grow_begin+0x91/0x8c0
[  377.498222] 1*2048kB (M) 
[  377.500552]  ? do_raw_spin_unlock+0xa7/0x2f0
[  377.505216] 3*4096kB 
[  377.507194]  fallback_alloc+0x203/0x2e0
[  377.511310] (M) 
[  377.514414]  ____cache_alloc_node+0x1c7/0x1e0
[  377.519923] = 15908kB
[  377.521902]  kmem_cache_alloc_node+0xe3/0x730
[  377.525934] Node 0 
[  377.528690]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.533063] DMA32: 2*4kB 
[  377.535498]  __alloc_skb+0x119/0x770
[  377.539439] (M) 
[  377.541414]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  377.545885] 0*8kB 
[  377.548296]  ? skb_scrub_packet+0x490/0x490
[  377.552766] 3*16kB (M) 
[  377.555024]  ? lock_downgrade+0x900/0x900
[  377.559506] 2*32kB 
[  377.562274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.565955] (UM) 
[  377.567934]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.573186] 2*64kB 
[  377.575337]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.579630] (M) 
[  377.582212]  ? addrconf_rs_timer+0x6f0/0x6f0
[  377.586325] 4*128kB (UM) 
[  377.588575]  ndisc_alloc_skb+0x144/0x340
[  377.594088] 2*256kB 
[  377.596153]  ndisc_send_rs+0x331/0x6e0
[  377.601576] (M) 
[  377.603814]  addrconf_rs_timer+0x3c0/0x6f0
[  377.609250] 4*512kB 
[  377.611233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.615611] (UM) 
[  377.618372]  call_timer_fn+0x272/0x920
[  377.622395] 3*1024kB (M) 
[  377.624727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.628600] 3*2048kB 
[  377.630571]  ? process_timeout+0x40/0x40
[  377.634786] (UM) 
[  377.637107]  ? find_held_lock+0x36/0x1c0
[  377.641317] 3*4096kB 
[  377.643393]  ? __run_timers+0x7da/0xc70
[  377.647243] (M) 
[  377.650000]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.654226] = 24824kB
[  377.656634]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.660668] Node 0 
[  377.662729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.666757] Normal: 981*4kB 
[  377.669177]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  377.673122] (UMEH) 
[  377.675109]  ? trace_hardirqs_on+0xbd/0x310
[  377.679580] 521*8kB 
[  377.681990]  ? kasan_check_read+0x11/0x20
[  377.686461] (MEH) 
[  377.688706]  ? __run_timers+0x7da/0xc70
[  377.692913] 165*16kB 
[  377.695930]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  377.700496] (UMEH) 
[  377.702729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.707015] 24*32kB (MEH) 
[  377.709341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.713460] 4*64kB 
[  377.715616]  __run_timers+0x7e5/0xc70
[  377.719564] (MH) 
[  377.721990]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  377.727397] 3*128kB (UH) 
[  377.729641]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  377.733849] 1*256kB 
[  377.736687]  ? graph_lock+0x170/0x170
[  377.740892] (U) 
[  377.743121]  ? enqueue_hrtimer+0x1a5/0x560
[  377.746895] 1*512kB (U) 
[  377.748972]  ? lock_release+0x970/0x970
[  377.754306] 1*1024kB (H) 
[  377.757067]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.762062] 0*2048kB 
[  377.764385]  ? find_held_lock+0x36/0x1c0
[  377.768157] 0*4096kB 
[  377.770140]  ? graph_lock+0x170/0x170
[  377.774346] = 13932kB
[  377.777010]  ? pvclock_read_flags+0x160/0x160
[  377.780964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  377.783710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.788877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  377.791281]  ? check_preemption_disabled+0x48/0x200
[  377.795311] 4507 total pagecache pages
[  377.797722]  ? __lock_is_held+0xb5/0x140
[  377.801508] 0 pages in swap cache
[  377.803917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.808389] Swap cache stats: add 0, delete 0, find 0/0
[  377.817219]  ? check_preemption_disabled+0x48/0x200
[  377.822727] Free swap  = 0kB
[  377.831307]  run_timer_softirq+0x52/0xb0
[  377.836292] Total swap = 0kB
[  377.840172]  ? rcu_read_lock_sched_held+0x108/0x120
[  377.844206] 1965979 pages RAM
[  377.847656]  __do_softirq+0x30b/0xad8
[  377.853167] 0 pages HighMem/MovableOnly
[  377.858532]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  377.863511] 342744 pages reserved
[  377.863519] 0 pages cma reserved
[  377.866532]  ? pvclock_read_flags+0x160/0x160
[  377.870652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.873595]  ? lapic_next_event+0x5a/0x90
[  377.878704] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.881700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.885479] ksoftirqd/1 cpuset=
[  377.889467]  ? check_preemption_disabled+0x48/0x200
[  377.894540] /
[  377.897986]  ? check_preemption_disabled+0x48/0x200
[  377.901332]  mems_allowed=0
[  377.905823]  ? kvm_clock_read+0x18/0x30
[  377.954139]  ? kvm_sched_clock_read+0x9/0x20
[  377.958558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.964100]  ? check_preemption_disabled+0x48/0x200
[  377.969130]  irq_exit+0x17f/0x1c0
[  377.972591]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.977433]  ? smp_reschedule_interrupt+0x109/0x650
[  377.982451]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.988348]  ? interrupt_entry+0xb5/0xf0
[  377.992412]  ? trace_hardirqs_off_caller+0xbb/0x300
[  377.997428]  ? trace_hardirqs_off_caller+0xbb/0x300
[  378.002451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.007308]  ? trace_hardirqs_off+0x300/0x300
[  378.011807]  ? trace_hardirqs_off+0x300/0x300
[  378.016304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.021851]  ? check_preemption_disabled+0x48/0x200
[  378.026865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.032411]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.037267]  apic_timer_interrupt+0xf/0x20
[  378.041508]  </IRQ>
[  378.043750] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  378.048685] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  378.067593] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  378.075305] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  378.082577] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  378.089847] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  378.097115] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  378.104382] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  378.111703]  skb_clone+0x1bb/0x500
[  378.115248]  ? skb_split+0x11e0/0x11e0
[  378.119155]  ? preempt_notifier_register+0x200/0x200
[  378.124271]  ? __switch_to_asm+0x34/0x70
[  378.128349]  ? __switch_to_asm+0x34/0x70
[  378.132407]  ? __switch_to_asm+0x40/0x70
[  378.136465]  ? __switch_to_asm+0x34/0x70
[  378.140532]  ? __switch_to_asm+0x40/0x70
[  378.144594]  ? __switch_to_asm+0x40/0x70
[  378.148657]  ? __switch_to_asm+0x34/0x70
[  378.152718]  ? __switch_to_asm+0x34/0x70
[  378.156786]  ? __switch_to_asm+0x40/0x70
[  378.160849]  ? __switch_to_asm+0x34/0x70
[  378.164925]  bpf_clone_redirect+0xb9/0x490
[  378.169174]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  378.174198]  ? __sched_text_start+0x8/0x8
[  378.178351]  ? lockdep_hardirqs_on+0x421/0x5c0
[  378.182938]  ? retint_kernel+0x2d/0x2d
[  378.186832]  ? trace_hardirqs_on_caller+0xc0/0x300
[  378.191778]  ? find_held_lock+0x36/0x1c0
[  378.195848]  ? lock_acquire+0x1ed/0x520
[  378.199824]  ? bpf_test_run+0x32e/0x5a0
[  378.203801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.209343]  ? check_preemption_disabled+0x48/0x200
[  378.214367]  ? kasan_check_read+0x11/0x20
[  378.218522]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  378.223804]  ? rcu_bh_qs+0xc0/0xc0
[  378.227351]  ? preempt_schedule+0x4d/0x60
[  378.231509]  ? ___preempt_schedule+0x16/0x18
[  378.235932]  ? bpf_test_run+0x1c0/0x5a0
[  378.239924]  ? netlink_diag_dump+0x2a0/0x2a0
[  378.244343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.249891]  ? bpf_test_init.isra.9+0x70/0x100
[  378.254493]  ? bpf_prog_test_run_skb+0x634/0xb40
[  378.259264]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  378.264110]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  378.269650]  ? fput+0x130/0x1a0
[  378.272936]  ? __bpf_prog_get+0x9b/0x290
[  378.277002]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  378.281847]  ? bpf_prog_test_run+0x130/0x1a0
[  378.286265]  ? __x64_sys_bpf+0x3d8/0x510
[  378.290330]  ? bpf_prog_get+0x20/0x20
[  378.294141]  ? ksys_ioctl+0x81/0xd0
[  378.297788]  ? do_syscall_64+0x1b9/0x820
[  378.301853]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  378.307240]  ? syscall_return_slowpath+0x5e0/0x5e0
[  378.312180]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.317030]  ? trace_hardirqs_off+0x300/0x300
[  378.321530]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  378.326561]  ? prepare_exit_to_usermode+0x291/0x3b0
[  378.331588]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.336448]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  378.341845] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  378.341931] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.348775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.348781] Call Trace:
[  378.348803]  dump_stack+0x1c4/0x2b4
[  378.348819]  ? dump_stack_print_info.cold.2+0x52/0x52
[  378.348846]  warn_alloc.cold.118+0xb7/0x1bd
[  378.355382] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.364674]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.367235] syz-executor0 cpuset=
[  378.370863]  ? lock_downgrade+0x900/0x900
[  378.376045] syz0
[  378.380373]  ? trace_hardirqs_off+0xb8/0x300
[  378.390846]  mems_allowed=0
[  378.395697]  ? trace_hardirqs_off+0xb8/0x300
[  378.416975]  __alloc_pages_slowpath+0x2667/0x2d80
[  378.421858]  ? warn_alloc+0x120/0x120
[  378.425667]  ? warn_alloc+0x120/0x120
[  378.429479]  ? print_usage_bug+0xc0/0xc0
[  378.433557]  ? warn_alloc+0x120/0x120
[  378.437380]  ? print_usage_bug+0xc0/0xc0
[  378.441445]  ? __lock_acquire+0x7ec/0x4ec0
[  378.445682]  ? __lock_acquire+0x7ec/0x4ec0
[  378.449925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.455473]  ? should_fail+0x22d/0xd01
[  378.459402]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.464518]  ? __lock_acquire+0x7ec/0x4ec0
[  378.468760]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.473861]  ? __lock_acquire+0x7ec/0x4ec0
[  378.478099]  ? should_fail+0x22d/0xd01
[  378.481988]  ? print_usage_bug+0xc0/0xc0
[  378.486063]  ? mark_held_locks+0x130/0x130
[  378.490314]  ? mark_held_locks+0x130/0x130
[  378.494563]  ? graph_lock+0x170/0x170
[  378.498409]  ? print_usage_bug+0xc0/0xc0
[  378.502478]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  378.507250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.512800]  ? check_preemption_disabled+0x48/0x200
[  378.517818]  ? check_preemption_disabled+0x48/0x200
[  378.522851]  ? __lock_is_held+0xb5/0x140
[  378.526921]  __alloc_pages_nodemask+0xa80/0xde0
[  378.531595]  ? graph_lock+0x170/0x170
[  378.535402]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  378.540425]  ? graph_lock+0x170/0x170
[  378.544243]  ? find_held_lock+0x36/0x1c0
[  378.548324]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.553001]  ? lock_downgrade+0x900/0x900
[  378.557161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.562709]  cache_grow_begin+0x91/0x8c0
[  378.566780]  ? do_raw_spin_unlock+0xa7/0x2f0
[  378.571204]  fallback_alloc+0x203/0x2e0
[  378.575189]  ____cache_alloc_node+0x1c7/0x1e0
[  378.579697]  kmem_cache_alloc_node+0xe3/0x730
[  378.584205]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.588452]  __alloc_skb+0x119/0x770
[  378.592177]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  378.597466]  ? skb_scrub_packet+0x490/0x490
[  378.601794]  ? lock_downgrade+0x900/0x900
[  378.605951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.611505]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.616963]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.622447]  ? addrconf_rs_timer+0x6f0/0x6f0
[  378.626881]  ndisc_alloc_skb+0x144/0x340
[  378.630950]  ndisc_send_rs+0x331/0x6e0
[  378.634879]  addrconf_rs_timer+0x3c0/0x6f0
[  378.639128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.643385]  call_timer_fn+0x272/0x920
[  378.647281]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.651527]  ? process_timeout+0x40/0x40
[  378.655594]  ? find_held_lock+0x36/0x1c0
[  378.659669]  ? __run_timers+0x7da/0xc70
[  378.663651]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.668147]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.672645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.676885]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  378.681473]  ? trace_hardirqs_on+0xbd/0x310
[  378.685813]  ? kasan_check_read+0x11/0x20
[  378.689963]  ? __run_timers+0x7da/0xc70
[  378.693938]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.699395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.703641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.707875]  __run_timers+0x7e5/0xc70
[  378.711700]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  378.717066]  ? compat_start_thread+0x80/0x80
[  378.721491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.727039]  ? _raw_spin_unlock_irq+0x60/0x80
[  378.731542]  ? finish_task_switch+0x1f5/0x900
[  378.736052]  ? finish_task_switch+0x1b5/0x900
[  378.740555]  ? __switch_to_asm+0x34/0x70
[  378.744629]  ? preempt_notifier_register+0x200/0x200
[  378.749737]  ? __switch_to_asm+0x34/0x70
[  378.753802]  ? __switch_to_asm+0x40/0x70
[  378.757865]  ? __switch_to_asm+0x34/0x70
[  378.761929]  ? __switch_to_asm+0x40/0x70
[  378.765996]  ? __switch_to_asm+0x34/0x70
[  378.770070]  ? __switch_to_asm+0x40/0x70
[  378.774137]  ? __switch_to_asm+0x40/0x70
[  378.778207]  ? pvclock_read_flags+0x160/0x160
[  378.782706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.788252]  ? check_preemption_disabled+0x48/0x200
[  378.793296]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  378.798579]  ? rcu_pm_notify+0xc0/0xc0
[  378.802469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.808023]  ? check_preemption_disabled+0x48/0x200
[  378.813067]  run_timer_softirq+0x52/0xb0
[  378.817132]  ? rcu_read_lock_sched_held+0x108/0x120
[  378.822153]  __do_softirq+0x30b/0xad8
[  378.825972]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  378.831079]  ? trace_hardirqs_off_caller+0x300/0x300
[  378.836194]  ? schedule+0x108/0x460
[  378.839825]  ? __schedule+0x1ed0/0x1ed0
[  378.843816]  ? trace_hardirqs_off+0xb8/0x300
[  378.848232]  ? ___might_sleep+0x1ed/0x300
[  378.852384]  ? smpboot_thread_fn+0x68b/0xa00
[  378.856796]  ? trace_hardirqs_on+0x310/0x310
[  378.861211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.866754]  ? check_preemption_disabled+0x48/0x200
[  378.872124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.877671]  ? takeover_tasklets+0xa90/0xa90
[  378.882089]  run_ksoftirqd+0x94/0x100
[  378.885892]  smpboot_thread_fn+0x68b/0xa00
[  378.890132]  ? sort_range+0x30/0x30
[  378.893765]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.898876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.904434]  ? __kthread_parkme+0xfb/0x1a0
[  378.908684]  kthread+0x35a/0x420
[  378.912062]  ? sort_range+0x30/0x30
[  378.915691]  ? kthread_bind+0x40/0x40
[  378.919505]  ret_from_fork+0x3a/0x50
[  378.923269] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  378.923274] warn_alloc_show_mem: 1 callbacks suppressed
[  378.923281] Mem-Info:
[  378.930587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.935954] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  378.935954]  active_file:28 inactive_file:21 isolated_file:0
[  378.935954]  unevictable:0 dirty:0 writeback:0 unstable:0
[  378.935954]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  378.935954]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  378.935954]  free:13666 free_pcp:197 free_cma:0
[  378.938327] Call Trace:
[  378.947724] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  378.980749]  <IRQ>
[  378.983320] Node 0 
[  379.011168]  dump_stack+0x1c4/0x2b4
[  379.013318] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  379.015528]  ? dump_stack_print_info.cold.2+0x52/0x52
[  379.019126] lowmem_reserve[]:
[  379.044636]  warn_alloc.cold.118+0xb7/0x1bd
[  379.049788]  0 2817
[  379.052895]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.057210]  6321
[  379.059451]  ? lock_downgrade+0x900/0x900
[  379.064266]  6321
[  379.066338]  ? trace_hardirqs_off+0xb8/0x300
[  379.070455] Node 0 
[  379.072525]  ? trace_hardirqs_off+0xb8/0x300
[  379.076926] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  379.079140]  __alloc_pages_slowpath+0x2667/0x2d80
[  379.083532] lowmem_reserve[]:
[  379.110275]  ? warn_alloc+0x120/0x120
[  379.115067]  0
[  379.118170]  ? warn_alloc+0x120/0x120
[  379.121941]  0
[  379.123741]  ? print_usage_bug+0xc0/0xc0
[  379.127517]  3503
[  379.129314]  ? warn_alloc+0x120/0x120
[  379.133352]  3503
[  379.135409]  ? print_usage_bug+0xc0/0xc0
[  379.141241]  ? __lock_acquire+0x7ec/0x4ec0
[  379.145283] Node 0 
[  379.149514]  ? __lock_acquire+0x7ec/0x4ec0
[  379.149549] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  379.151765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.155975] lowmem_reserve[]:
[  379.184521]  ? should_fail+0x22d/0xd01
[  379.190026]  0 0
[  379.193134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.196997]  0
[  379.198970]  ? __lock_acquire+0x7ec/0x4ec0
[  379.204047]  0
[  379.205855]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.210067] Node 0 
[  379.211864]  ? __lock_acquire+0x7ec/0x4ec0
[  379.216942] DMA: 
[  379.219171]  ? should_fail+0x22d/0xd01
[  379.223380] 1*4kB 
[  379.225454]  ? mark_held_locks+0x130/0x130
[  379.229308] (U) 
[  379.231457]  ? mark_held_locks+0x130/0x130
[  379.235658] 0*8kB 0*16kB 
[  379.237639]  ? graph_lock+0x170/0x170
[  379.241853] 1*32kB 
[  379.244601]  ? graph_lock+0x170/0x170
[  379.248380] (U) 
[  379.250612]  ? graph_lock+0x170/0x170
[  379.254392] 2*64kB 
[  379.256360]  ? print_usage_bug+0xc0/0xc0
[  379.260134] (U) 
[  379.262371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.266406] 1*128kB 
[  379.268376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.273885] (U) 
[  379.276207]  ? check_preemption_disabled+0x48/0x200
[  379.281716] 1*256kB 
[  379.283690]  ? check_preemption_disabled+0x48/0x200
[  379.288677] (U) 
[  379.291004]  ? __lock_is_held+0xb5/0x140
[  379.296309] 0*512kB 1*1024kB 
[  379.298303]  __alloc_pages_nodemask+0xa80/0xde0
[  379.302331] (U) 
[  379.305431]  ? graph_lock+0x170/0x170
[  379.310068] 1*2048kB (M) 
[  379.312052]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  379.315825] 3*4096kB 
[  379.318580]  ? graph_lock+0x170/0x170
[  379.323574] (M) 
[  379.325990]  ? find_held_lock+0x36/0x1c0
[  379.329768] = 15908kB
[  379.331741]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.335794] Node 0 
[  379.338205]  ? lock_downgrade+0x900/0x900
[  379.342871] DMA32: 
[  379.345109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.349324] 2*4kB 
[  379.351558]  cache_grow_begin+0x91/0x8c0
[  379.357069] (M) 
[  379.359216]  ? do_raw_spin_unlock+0xa7/0x2f0
[  379.363250] 0*8kB 
[  379.365230]  fallback_alloc+0x203/0x2e0
[  379.369612] 3*16kB 
[  379.371766]  ____cache_alloc_node+0x1c7/0x1e0
[  379.375703] (M) 
[  379.377963]  kmem_cache_alloc_node+0xe3/0x730
[  379.382436] 2*32kB 
[  379.384412]  ? ipv6_get_ifaddr+0x42e/0x620
[  379.388878] (UM) 
[  379.391116]  __alloc_skb+0x119/0x770
[  379.395328] 2*64kB 
[  379.397384]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  379.401074] (M) 
[  379.403307]  ? skb_scrub_packet+0x490/0x490
[  379.408557] 4*128kB 
[  379.410525]  ? lock_downgrade+0x900/0x900
[  379.414819] (UM) 
[  379.417141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.421263] 2*256kB 
[  379.423318]  ? refcount_sub_and_test_checked+0x203/0x310
[  379.429315] (M) 4*512kB 
[  379.431649]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  379.437071] (UM) 
[  379.439739]  ? addrconf_rs_timer+0x6f0/0x6f0
[  379.445167] 3*1024kB 
[  379.447233]  ndisc_alloc_skb+0x144/0x340
[  379.451691] (M) 
[  379.454099]  ndisc_send_rs+0x331/0x6e0
[  379.458128] 3*2048kB (UM) 
[  379.460109]  addrconf_rs_timer+0x3c0/0x6f0
[  379.463974] 3*4096kB 
[  379.466818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.471027] (M) 
[  379.473442]  call_timer_fn+0x272/0x920
[  379.477660] = 24824kB
[  379.479631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.483501] Node 0 
[  379.485910]  ? process_timeout+0x40/0x40
[  379.490116] Normal: 
[  379.492352]  ? find_held_lock+0x36/0x1c0
[  379.496392] 981*4kB 
[  379.498715]  ? __run_timers+0x7da/0xc70
[  379.502746] (UMEH) 
[  379.505071]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.509018] 521*8kB 
[  379.511250]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.515727] (MEH) 
[  379.518045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.522515] 165*16kB 
[  379.524657]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  379.528863] (UMEH) 
[  379.531275]  ? trace_hardirqs_on+0xbd/0x310
[  379.535829] 24*32kB 
[  379.538061]  ? kasan_check_read+0x11/0x20
[  379.542351] (MEH) 
[  379.544682]  ? __run_timers+0x7da/0xc70
[  379.548796] 4*64kB (MH) 
[  379.550955]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  379.554907] 3*128kB 
[  379.557579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.562998] (UH) 
[  379.565321]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.569528] 1*256kB 
[  379.571606]  __run_timers+0x7e5/0xc70
[  379.575817] (U) 
[  379.578149]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  379.581911] 1*512kB (U) 
[  379.583898]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  379.589248] 1*1024kB 
[  379.591915]  ? graph_lock+0x170/0x170
[  379.596910] (H) 
[  379.599316]  ? enqueue_hrtimer+0x1a5/0x560
[  379.603091] 0*2048kB 
[  379.605060]  ? lock_release+0x970/0x970
[  379.609273] 0*4096kB 
[  379.611675]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  379.615623] = 13932kB
[  379.618028]  ? find_held_lock+0x36/0x1c0
[  379.623196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.625601]  ? graph_lock+0x170/0x170
[  379.629642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.638463]  ? pvclock_read_flags+0x160/0x160
[  379.642238] 4507 total pagecache pages
[  379.650816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.655291] 0 pages in swap cache
[  379.659169]  ? check_preemption_disabled+0x48/0x200
[  379.664679] Swap cache stats: add 0, delete 0, find 0/0
[  379.668127]  ? __lock_is_held+0xb5/0x140
[  379.673114] Free swap  = 0kB
[  379.678473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.682516] Total swap = 0kB
[  379.685530]  ? check_preemption_disabled+0x48/0x200
[  379.691036] 1965979 pages RAM
[  379.694051]  run_timer_softirq+0x52/0xb0
[  379.699033] 0 pages HighMem/MovableOnly
[  379.699042] 342744 pages reserved
[  379.702144]  ? rcu_read_lock_sched_held+0x108/0x120
[  379.706181] 0 pages cma reserved
[  379.710166]  __do_softirq+0x30b/0xad8
[  379.713674] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.718608]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  379.718628]  ? pvclock_read_flags+0x160/0x160
[  379.722039] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.725772]  ? lapic_next_event+0x5a/0x90
[  379.732236] ksoftirqd/1 cpuset=
[  379.737333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.741803] /
[  379.752114]  ? check_preemption_disabled+0x48/0x200
[  379.756240]  mems_allowed=0
[  379.759523]  ? check_preemption_disabled+0x48/0x200
[  379.779671]  ? kvm_clock_read+0x18/0x30
[  379.783652]  ? kvm_sched_clock_read+0x9/0x20
[  379.788070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.793610]  ? check_preemption_disabled+0x48/0x200
[  379.798639]  irq_exit+0x17f/0x1c0
[  379.802104]  smp_apic_timer_interrupt+0x1cb/0x760
[  379.806945]  ? smp_reschedule_interrupt+0x109/0x650
[  379.811965]  ? smp_call_function_single_interrupt+0x650/0x650
[  379.817851]  ? interrupt_entry+0xb5/0xf0
[  379.821915]  ? trace_hardirqs_off_caller+0xbb/0x300
[  379.826934]  ? trace_hardirqs_off_caller+0xbb/0x300
[  379.831955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.836800]  ? trace_hardirqs_off+0x300/0x300
[  379.841298]  ? trace_hardirqs_off+0x300/0x300
[  379.845797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.851344]  ? check_preemption_disabled+0x48/0x200
[  379.856363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.861911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.866792]  apic_timer_interrupt+0xf/0x20
[  379.871028]  </IRQ>
[  379.873269] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  379.878200] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  379.897107] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  379.904824] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  379.912090] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  379.919359] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  379.926627] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  379.933897] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  379.941217]  skb_clone+0x1bb/0x500
[  379.944765]  ? skb_split+0x11e0/0x11e0
[  379.948676]  ? preempt_notifier_register+0x200/0x200
[  379.953783]  ? __switch_to_asm+0x34/0x70
[  379.957847]  ? __switch_to_asm+0x34/0x70
[  379.961908]  ? __switch_to_asm+0x40/0x70
[  379.965966]  ? __switch_to_asm+0x34/0x70
[  379.970027]  ? __switch_to_asm+0x40/0x70
[  379.974090]  ? __switch_to_asm+0x40/0x70
[  379.978148]  ? __switch_to_asm+0x34/0x70
[  379.982207]  ? __switch_to_asm+0x34/0x70
[  379.986270]  ? __switch_to_asm+0x40/0x70
[  379.990329]  ? __switch_to_asm+0x34/0x70
[  379.994400]  bpf_clone_redirect+0xb9/0x490
[  379.998653]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  380.003676]  ? __sched_text_start+0x8/0x8
[  380.007832]  ? lockdep_hardirqs_on+0x421/0x5c0
[  380.012416]  ? retint_kernel+0x2d/0x2d
[  380.016307]  ? trace_hardirqs_on_caller+0xc0/0x300
[  380.021248]  ? find_held_lock+0x36/0x1c0
[  380.025321]  ? lock_acquire+0x1ed/0x520
[  380.029296]  ? bpf_test_run+0x32e/0x5a0
[  380.033275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.038817]  ? check_preemption_disabled+0x48/0x200
[  380.043844]  ? kasan_check_read+0x11/0x20
[  380.047996]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  380.053274]  ? rcu_bh_qs+0xc0/0xc0
[  380.056822]  ? preempt_schedule+0x4d/0x60
[  380.060974]  ? ___preempt_schedule+0x16/0x18
[  380.065391]  ? bpf_test_run+0x1c0/0x5a0
[  380.069397]  ? netlink_diag_dump+0x2a0/0x2a0
[  380.073811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.079347]  ? bpf_test_init.isra.9+0x70/0x100
[  380.083936]  ? bpf_prog_test_run_skb+0x634/0xb40
[  380.088701]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  380.093547]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  380.099082]  ? fput+0x130/0x1a0
[  380.102363]  ? __bpf_prog_get+0x9b/0x290
[  380.106431]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  380.111271]  ? bpf_prog_test_run+0x130/0x1a0
[  380.115684]  ? __x64_sys_bpf+0x3d8/0x510
[  380.119745]  ? bpf_prog_get+0x20/0x20
[  380.123561]  ? ksys_ioctl+0x81/0xd0
[  380.127200]  ? do_syscall_64+0x1b9/0x820
[  380.131263]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  380.136631]  ? syscall_return_slowpath+0x5e0/0x5e0
[  380.141564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.146418]  ? trace_hardirqs_off+0x300/0x300
[  380.150919]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  380.155952]  ? prepare_exit_to_usermode+0x291/0x3b0
[  380.160976]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.165835]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  380.171224] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  380.171309] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.178073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.178079] Call Trace:
[  380.178099]  dump_stack+0x1c4/0x2b4
[  380.178115]  ? dump_stack_print_info.cold.2+0x52/0x52
[  380.178142]  warn_alloc.cold.118+0xb7/0x1bd
[  380.184685] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.193981]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.196540] syz-executor0 cpuset=
[  380.200161]  ? lock_downgrade+0x900/0x900
[  380.205325] syz0
[  380.209643]  ? trace_hardirqs_off+0xb8/0x300
[  380.220100]  mems_allowed=0
[  380.224937]  ? trace_hardirqs_off+0xb8/0x300
[  380.246194]  __alloc_pages_slowpath+0x2667/0x2d80
[  380.251074]  ? warn_alloc+0x120/0x120
[  380.254888]  ? warn_alloc+0x120/0x120
[  380.258695]  ? print_usage_bug+0xc0/0xc0
[  380.262759]  ? warn_alloc+0x120/0x120
[  380.266563]  ? print_usage_bug+0xc0/0xc0
[  380.270631]  ? __lock_acquire+0x7ec/0x4ec0
[  380.274868]  ? __lock_acquire+0x7ec/0x4ec0
[  380.279108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.284651]  ? should_fail+0x22d/0xd01
[  380.288548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.293654]  ? __lock_acquire+0x7ec/0x4ec0
[  380.297904]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.303009]  ? __lock_acquire+0x7ec/0x4ec0
[  380.307243]  ? should_fail+0x22d/0xd01
[  380.311149]  ? mark_held_locks+0x130/0x130
[  380.315394]  ? mark_held_locks+0x130/0x130
[  380.319632]  ? graph_lock+0x170/0x170
[  380.323433]  ? graph_lock+0x170/0x170
[  380.327238]  ? graph_lock+0x170/0x170
[  380.331044]  ? print_usage_bug+0xc0/0xc0
[  380.335111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.340654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.346194]  ? check_preemption_disabled+0x48/0x200
[  380.351215]  ? check_preemption_disabled+0x48/0x200
[  380.356245]  ? __lock_is_held+0xb5/0x140
[  380.360318]  __alloc_pages_nodemask+0xa80/0xde0
[  380.364988]  ? graph_lock+0x170/0x170
[  380.368794]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  380.373809]  ? graph_lock+0x170/0x170
[  380.377625]  ? find_held_lock+0x36/0x1c0
[  380.381697]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.386371]  ? lock_downgrade+0x900/0x900
[  380.390529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.396077]  cache_grow_begin+0x91/0x8c0
[  380.400146]  ? do_raw_spin_unlock+0xa7/0x2f0
[  380.404566]  fallback_alloc+0x203/0x2e0
[  380.408552]  ____cache_alloc_node+0x1c7/0x1e0
[  380.413056]  kmem_cache_alloc_node+0xe3/0x730
[  380.417554]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.421803]  __alloc_skb+0x119/0x770
[  380.425527]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  380.431323]  ? skb_scrub_packet+0x490/0x490
[  380.435648]  ? lock_downgrade+0x900/0x900
[  380.439811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.445363]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.450821]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.456281]  ? addrconf_rs_timer+0x6f0/0x6f0
[  380.460706]  ndisc_alloc_skb+0x144/0x340
[  380.464780]  ndisc_send_rs+0x331/0x6e0
[  380.468676]  addrconf_rs_timer+0x3c0/0x6f0
[  380.472941]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.477198]  call_timer_fn+0x272/0x920
[  380.481089]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.485328]  ? process_timeout+0x40/0x40
[  380.489396]  ? find_held_lock+0x36/0x1c0
[  380.493470]  ? __run_timers+0x7da/0xc70
[  380.497460]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.501975]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.506475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.510722]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  380.515306]  ? trace_hardirqs_on+0xbd/0x310
[  380.519628]  ? kasan_check_read+0x11/0x20
[  380.523781]  ? __run_timers+0x7da/0xc70
[  380.527778]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  380.533238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.537499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.541739]  __run_timers+0x7e5/0xc70
[  380.545557]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  380.550922]  ? compat_start_thread+0x80/0x80
[  380.555340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.560901]  ? _raw_spin_unlock_irq+0x60/0x80
[  380.565419]  ? finish_task_switch+0x1f5/0x900
[  380.569919]  ? finish_task_switch+0x1b5/0x900
[  380.574415]  ? __switch_to_asm+0x34/0x70
[  380.578482]  ? preempt_notifier_register+0x200/0x200
[  380.583598]  ? __switch_to_asm+0x34/0x70
[  380.587676]  ? __switch_to_asm+0x40/0x70
[  380.591737]  ? __switch_to_asm+0x34/0x70
[  380.595798]  ? __switch_to_asm+0x40/0x70
[  380.599857]  ? __switch_to_asm+0x34/0x70
[  380.603932]  ? __switch_to_asm+0x40/0x70
[  380.607994]  ? __switch_to_asm+0x40/0x70
[  380.612064]  ? pvclock_read_flags+0x160/0x160
[  380.616567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.622110]  ? check_preemption_disabled+0x48/0x200
[  380.627138]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  380.632422]  ? rcu_pm_notify+0xc0/0xc0
[  380.636314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.641856]  ? check_preemption_disabled+0x48/0x200
[  380.646886]  run_timer_softirq+0x52/0xb0
[  380.650949]  ? rcu_read_lock_sched_held+0x108/0x120
[  380.655968]  __do_softirq+0x30b/0xad8
[  380.659794]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  380.664897]  ? trace_hardirqs_off_caller+0x300/0x300
[  380.670013]  ? schedule+0x108/0x460
[  380.673650]  ? __schedule+0x1ed0/0x1ed0
[  380.677633]  ? trace_hardirqs_off+0xb8/0x300
[  380.682045]  ? ___might_sleep+0x1ed/0x300
[  380.686191]  ? smpboot_thread_fn+0x68b/0xa00
[  380.690612]  ? trace_hardirqs_on+0x310/0x310
[  380.695024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.700573]  ? check_preemption_disabled+0x48/0x200
[  380.705592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.711137]  ? takeover_tasklets+0xa90/0xa90
[  380.715555]  run_ksoftirqd+0x94/0x100
[  380.719360]  smpboot_thread_fn+0x68b/0xa00
[  380.723600]  ? sort_range+0x30/0x30
[  380.727235]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  380.732343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.737886]  ? __kthread_parkme+0xfb/0x1a0
[  380.742129]  kthread+0x35a/0x420
[  380.745508]  ? sort_range+0x30/0x30
[  380.749135]  ? kthread_bind+0x40/0x40
[  380.752945]  ret_from_fork+0x3a/0x50
[  380.756702] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  380.756707] warn_alloc_show_mem: 1 callbacks suppressed
[  380.756714] Mem-Info:
[  380.764003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.769390] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  380.769390]  active_file:28 inactive_file:21 isolated_file:0
[  380.769390]  unevictable:0 dirty:0 writeback:0 unstable:0
[  380.769390]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  380.769390]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  380.769390]  free:13666 free_pcp:197 free_cma:0
[  380.771764] Call Trace:
[  380.781155] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  380.814182]  <IRQ>
[  380.816756] Node 0 
[  380.844628]  dump_stack+0x1c4/0x2b4
[  380.846789] 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
[  380.846797] lowmem_reserve[]:
[  380.849030]  ? dump_stack_print_info.cold.2+0x52/0x52
[  380.852630]  0
[  380.878149]  warn_alloc.cold.118+0xb7/0x1bd
[  380.881234]  2817
[  380.886418]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.888191]  6321
[  380.892515]  ? lock_downgrade+0x900/0x900
[  380.894554]  6321
[  380.899395]  ? trace_hardirqs_off+0xb8/0x300
[  380.905568]  ? trace_hardirqs_off+0xb8/0x300
[  380.907607] Node 0 
[  380.912016]  __alloc_pages_slowpath+0x2667/0x2d80
[  380.916417] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  380.918657]  ? warn_alloc+0x120/0x120
[  380.923442] lowmem_reserve[]: 0
[  380.950197]  ? warn_alloc+0x120/0x120
[  380.953968]  0
[  380.957242]  ? print_usage_bug+0xc0/0xc0
[  380.961014]  3503
[  380.962813]  ? warn_alloc+0x120/0x120
[  380.966848]  3503
[  380.968907]  ? print_usage_bug+0xc0/0xc0
[  380.974753]  ? __lock_acquire+0x7ec/0x4ec0
[  380.978788] Node 0 
[  380.983019]  ? __lock_acquire+0x7ec/0x4ec0
[  380.983051] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  380.983058] lowmem_reserve[]:
[  380.985295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.989509]  0
[  381.018074]  ? should_fail+0x22d/0xd01
[  381.021149]  0
[  381.026690]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.028456]  0
[  381.032344]  ? __lock_acquire+0x7ec/0x4ec0
[  381.034112]  0
[  381.039220]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.040991] Node 0 
[  381.045222]  ? __lock_acquire+0x7ec/0x4ec0
[  381.046996] DMA: 
[  381.052100]  ? should_fail+0x22d/0xd01
[  381.054310] 1*4kB 
[  381.058544]  ? mark_held_locks+0x130/0x130
[  381.060576] (U) 
[  381.064460]  ? mark_held_locks+0x130/0x130
[  381.066584] 0*8kB 
[  381.070815]  ? graph_lock+0x170/0x170
[  381.072812] 0*16kB 
[  381.077037]  ? graph_lock+0x170/0x170
[  381.079163] 1*32kB 
[  381.082959]  ? graph_lock+0x170/0x170
[  381.085173] (U) 
[  381.088987]  ? print_usage_bug+0xc0/0xc0
[  381.091203] 2*64kB 
[  381.095001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.096948] (U) 
[  381.101005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.103214] 1*128kB 
[  381.108748]  ? check_preemption_disabled+0x48/0x200
[  381.110694] (U) 
[  381.116230]  ? check_preemption_disabled+0x48/0x200
[  381.118527] 1*256kB 
[  381.123548]  ? __lock_is_held+0xb5/0x140
[  381.125493] (U) 
[  381.130517]  __alloc_pages_nodemask+0xa80/0xde0
[  381.132816] 0*512kB 
[  381.136875]  ? graph_lock+0x170/0x170
[  381.138826] 1*1024kB 
[  381.143500]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  381.145798] (U) 
[  381.149596]  ? graph_lock+0x170/0x170
[  381.152009] 1*2048kB 
[  381.157031]  ? find_held_lock+0x36/0x1c0
[  381.158976] (M) 
[  381.162786]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.165169] 3*4096kB 
[  381.169222]  ? lock_downgrade+0x900/0x900
[  381.171170] (M) 
[  381.175843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.178227] = 15908kB
[  381.182375]  cache_grow_begin+0x91/0x8c0
[  381.184321] Node 0 
[  381.189852]  ? do_raw_spin_unlock+0xa7/0x2f0
[  381.192228] DMA32: 2*4kB 
[  381.196302]  fallback_alloc+0x203/0x2e0
[  381.198516] (M) 
[  381.202939]  ____cache_alloc_node+0x1c7/0x1e0
[  381.205670] 0*8kB 
[  381.209641]  kmem_cache_alloc_node+0xe3/0x730
[  381.211588] 3*16kB 
[  381.216077]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.218198] (M) 
[  381.222746]  __alloc_skb+0x119/0x770
[  381.225052] 2*32kB 
[  381.229285]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  381.231235] (UM) 
[  381.234946]  ? skb_scrub_packet+0x490/0x490
[  381.237148] 2*64kB (M) 
[  381.242431]  ? lock_downgrade+0x900/0x900
[  381.244465] 4*128kB (UM) 
[  381.248813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.251362] 2*256kB (M) 
[  381.255523]  ? refcount_sub_and_test_checked+0x203/0x310
[  381.258252] 4*512kB (UM) 
[  381.263806]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  381.266451] 3*1024kB 
[  381.271898]  ? addrconf_rs_timer+0x6f0/0x6f0
[  381.274627] (M) 
[  381.280088]  ndisc_alloc_skb+0x144/0x340
[  381.282464] 3*2048kB 
[  381.286888]  ndisc_send_rs+0x331/0x6e0
[  381.288827] (UM) 
[  381.292886]  addrconf_rs_timer+0x3c0/0x6f0
[  381.295633] 3*4096kB 
[  381.299666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.301706] (M) 
[  381.305953]  call_timer_fn+0x272/0x920
[  381.308331] = 24824kB
[  381.312559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.314520] Node 0 
[  381.318406]  ? process_timeout+0x40/0x40
[  381.320793] Normal: 
[  381.325055]  ? find_held_lock+0x36/0x1c0
[  381.327266] 981*4kB 
[  381.331331]  ? __run_timers+0x7da/0xc70
[  381.333624] (UMEH) 
[  381.337682]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.339979] 521*8kB 
[  381.343948]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.346164] (MEH) 
[  381.350664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.352959] 165*16kB (UMEH) 
[  381.357456]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  381.359583] 24*32kB 
[  381.363812]  ? trace_hardirqs_on+0xbd/0x310
[  381.366806] (MEH) 
[  381.371386]  ? kasan_check_read+0x11/0x20
[  381.373682] 4*64kB 
[  381.378003]  ? __run_timers+0x7da/0xc70
[  381.380131] (MH) 
[  381.384280]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.386501] 3*128kB 
[  381.390477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.392519] (UH) 
[  381.397969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.400273] 1*256kB 
[  381.404514]  __run_timers+0x7e5/0xc70
[  381.406553] (U) 
[  381.410795]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  381.413088] 1*512kB 
[  381.416880]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  381.418833] (U) 
[  381.424188]  ? graph_lock+0x170/0x170
[  381.426497] 1*1024kB 
[  381.431797]  ? enqueue_hrtimer+0x1a5/0x560
[  381.433753] (H) 
[  381.437551]  ? lock_release+0x970/0x970
[  381.439937] 0*2048kB 
[  381.444164]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  381.446112] 0*4096kB = 13932kB
[  381.450089]  ? find_held_lock+0x36/0x1c0
[  381.452496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  381.457671]  ? graph_lock+0x170/0x170
[  381.460874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  381.464924]  ? pvclock_read_flags+0x160/0x160
[  381.473736] 4507 total pagecache pages
[  381.477536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.486094] 0 pages in swap cache
[  381.490584]  ? check_preemption_disabled+0x48/0x200
[  381.494448] Swap cache stats: add 0, delete 0, find 0/0
[  381.499986]  ? __lock_is_held+0xb5/0x140
[  381.503405] Free swap  = 0kB
[  381.508418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.513755] Total swap = 0kB
[  381.517820]  ? check_preemption_disabled+0x48/0x200
[  381.520812] 1965979 pages RAM
[  381.526367]  run_timer_softirq+0x52/0xb0
[  381.529358] 0 pages HighMem/MovableOnly
[  381.534371]  ? rcu_read_lock_sched_held+0x108/0x120
[  381.537450] 342744 pages reserved
[  381.541514]  __do_softirq+0x30b/0xad8
[  381.545463] 0 pages cma reserved
[  381.550498]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  381.553998] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  381.557730]  ? pvclock_read_flags+0x160/0x160
[  381.557744]  ? lapic_next_event+0x5a/0x90
[  381.557770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.561169] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.566206]  ? check_preemption_disabled+0x48/0x200
[  381.572672] ksoftirqd/1 cpuset=
[  381.577162]  ? check_preemption_disabled+0x48/0x200
[  381.581285] /
[  381.586817]  ? kvm_clock_read+0x18/0x30
[  381.597101]  mems_allowed=0
[  381.602107]  ? kvm_sched_clock_read+0x9/0x20
[  381.623339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.628891]  ? check_preemption_disabled+0x48/0x200
[  381.633926]  irq_exit+0x17f/0x1c0
[  381.637387]  smp_apic_timer_interrupt+0x1cb/0x760
[  381.642229]  ? smp_reschedule_interrupt+0x109/0x650
[  381.647278]  ? smp_call_function_single_interrupt+0x650/0x650
[  381.653165]  ? interrupt_entry+0xb5/0xf0
[  381.657231]  ? trace_hardirqs_off_caller+0xbb/0x300
[  381.662250]  ? trace_hardirqs_off_caller+0xbb/0x300
[  381.667269]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.672113]  ? trace_hardirqs_off+0x300/0x300
[  381.676609]  ? trace_hardirqs_off+0x300/0x300
[  381.681109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.686651]  ? check_preemption_disabled+0x48/0x200
[  381.691671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.697218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.702070]  apic_timer_interrupt+0xf/0x20
[  381.706299]  </IRQ>
[  381.708556] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  381.713501] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  381.732405] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  381.740116] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  381.747387] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  381.754658] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  381.761925] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  381.769195] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  381.776520]  skb_clone+0x1bb/0x500
[  381.780066]  ? skb_split+0x11e0/0x11e0
[  381.783960]  ? preempt_notifier_register+0x200/0x200
[  381.789066]  ? __switch_to_asm+0x34/0x70
[  381.793131]  ? __switch_to_asm+0x34/0x70
[  381.797195]  ? __switch_to_asm+0x40/0x70
[  381.801257]  ? __switch_to_asm+0x34/0x70
[  381.805325]  ? __switch_to_asm+0x40/0x70
[  381.809390]  ? __switch_to_asm+0x40/0x70
[  381.813448]  ? __switch_to_asm+0x34/0x70
[  381.817515]  ? __switch_to_asm+0x34/0x70
[  381.821580]  ? __switch_to_asm+0x40/0x70
[  381.825643]  ? __switch_to_asm+0x34/0x70
[  381.829717]  bpf_clone_redirect+0xb9/0x490
[  381.833967]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  381.838989]  ? __sched_text_start+0x8/0x8
[  381.843143]  ? lockdep_hardirqs_on+0x421/0x5c0
[  381.847728]  ? retint_kernel+0x2d/0x2d
[  381.851627]  ? trace_hardirqs_on_caller+0xc0/0x300
[  381.856565]  ? find_held_lock+0x36/0x1c0
[  381.860636]  ? lock_acquire+0x1ed/0x520
[  381.864630]  ? bpf_test_run+0x32e/0x5a0
[  381.868608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.874153]  ? check_preemption_disabled+0x48/0x200
[  381.879176]  ? kasan_check_read+0x11/0x20
[  381.883339]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  381.888617]  ? rcu_bh_qs+0xc0/0xc0
[  381.892163]  ? preempt_schedule+0x4d/0x60
[  381.896315]  ? ___preempt_schedule+0x16/0x18
[  381.900733]  ? bpf_test_run+0x1c0/0x5a0
[  381.904733]  ? netlink_diag_dump+0x2a0/0x2a0
[  381.909155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.914692]  ? bpf_test_init.isra.9+0x70/0x100
[  381.919281]  ? bpf_prog_test_run_skb+0x634/0xb40
[  381.924049]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  381.928898]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  381.934438]  ? fput+0x130/0x1a0
[  381.937719]  ? __bpf_prog_get+0x9b/0x290
[  381.941796]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  381.946646]  ? bpf_prog_test_run+0x130/0x1a0
[  381.951064]  ? __x64_sys_bpf+0x3d8/0x510
[  381.955130]  ? bpf_prog_get+0x20/0x20
[  381.958939]  ? ksys_ioctl+0x81/0xd0
[  381.962579]  ? do_syscall_64+0x1b9/0x820
[  381.966640]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  381.972009]  ? syscall_return_slowpath+0x5e0/0x5e0
[  381.976941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.981793]  ? trace_hardirqs_off+0x300/0x300
[  381.986293]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  381.991313]  ? prepare_exit_to_usermode+0x291/0x3b0
[  381.996340]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.001196]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  382.006585] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  382.006667] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.013424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.013432] Call Trace:
[  382.020040] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.029278]  dump_stack+0x1c4/0x2b4
[  382.031828] syz-executor0 cpuset=
[  382.042312]  ? dump_stack_print_info.cold.2+0x52/0x52
[  382.045915] syz0
[  382.049374]  warn_alloc.cold.118+0xb7/0x1bd
[  382.054532]  mems_allowed=0
[  382.056515]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.068572]  ? lock_downgrade+0x900/0x900
[  382.072734]  ? trace_hardirqs_off+0xb8/0x300
[  382.077154]  ? trace_hardirqs_off+0xb8/0x300
[  382.081575]  __alloc_pages_slowpath+0x2667/0x2d80
[  382.086458]  ? warn_alloc+0x120/0x120
[  382.090281]  ? warn_alloc+0x120/0x120
[  382.094086]  ? print_usage_bug+0xc0/0xc0
[  382.098150]  ? warn_alloc+0x120/0x120
[  382.101952]  ? print_usage_bug+0xc0/0xc0
[  382.106018]  ? __lock_acquire+0x7ec/0x4ec0
[  382.110255]  ? __lock_acquire+0x7ec/0x4ec0
[  382.114511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.120055]  ? should_fail+0x22d/0xd01
[  382.123949]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.129053]  ? __lock_acquire+0x7ec/0x4ec0
[  382.133299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.138404]  ? __lock_acquire+0x7ec/0x4ec0
[  382.142637]  ? should_fail+0x22d/0xd01
[  382.146545]  ? mark_held_locks+0x130/0x130
[  382.150785]  ? mark_held_locks+0x130/0x130
[  382.155020]  ? graph_lock+0x170/0x170
[  382.158822]  ? graph_lock+0x170/0x170
[  382.162630]  ? graph_lock+0x170/0x170
[  382.166435]  ? print_usage_bug+0xc0/0xc0
[  382.170507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.176047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.181587]  ? check_preemption_disabled+0x48/0x200
[  382.186604]  ? check_preemption_disabled+0x48/0x200
[  382.191635]  ? __lock_is_held+0xb5/0x140
[  382.195709]  __alloc_pages_nodemask+0xa80/0xde0
[  382.200380]  ? graph_lock+0x170/0x170
[  382.204203]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  382.209218]  ? graph_lock+0x170/0x170
[  382.213032]  ? find_held_lock+0x36/0x1c0
[  382.217104]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.221775]  ? lock_downgrade+0x900/0x900
[  382.225933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.231478]  cache_grow_begin+0x91/0x8c0
[  382.235553]  ? do_raw_spin_unlock+0xa7/0x2f0
[  382.239971]  fallback_alloc+0x203/0x2e0
[  382.243954]  ____cache_alloc_node+0x1c7/0x1e0
[  382.248456]  kmem_cache_alloc_node+0xe3/0x730
[  382.252962]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.257214]  __alloc_skb+0x119/0x770
[  382.260930]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  382.266211]  ? skb_scrub_packet+0x490/0x490
[  382.270541]  ? lock_downgrade+0x900/0x900
[  382.274706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.280248]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.285721]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.291177]  ? addrconf_rs_timer+0x6f0/0x6f0
[  382.295604]  ndisc_alloc_skb+0x144/0x340
[  382.299675]  ndisc_send_rs+0x331/0x6e0
[  382.303661]  addrconf_rs_timer+0x3c0/0x6f0
[  382.307906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.312158]  call_timer_fn+0x272/0x920
[  382.316061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.320302]  ? process_timeout+0x40/0x40
[  382.324362]  ? find_held_lock+0x36/0x1c0
[  382.328433]  ? __run_timers+0x7da/0xc70
[  382.332415]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.336911]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.341411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.345649]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  382.350236]  ? trace_hardirqs_on+0xbd/0x310
[  382.354566]  ? kasan_check_read+0x11/0x20
[  382.358717]  ? __run_timers+0x7da/0xc70
[  382.362700]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  382.368158]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.372400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.376644]  __run_timers+0x7e5/0xc70
[  382.380461]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  382.385852]  ? compat_start_thread+0x80/0x80
[  382.390277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.395824]  ? _raw_spin_unlock_irq+0x60/0x80
[  382.400331]  ? finish_task_switch+0x1f5/0x900
[  382.404843]  ? finish_task_switch+0x1b5/0x900
[  382.409345]  ? __switch_to_asm+0x34/0x70
[  382.413412]  ? preempt_notifier_register+0x200/0x200
[  382.418527]  ? __switch_to_asm+0x34/0x70
[  382.422590]  ? __switch_to_asm+0x40/0x70
[  382.426655]  ? __switch_to_asm+0x34/0x70
[  382.430718]  ? __switch_to_asm+0x40/0x70
[  382.434778]  ? __switch_to_asm+0x34/0x70
[  382.438838]  ? __switch_to_asm+0x40/0x70
[  382.442902]  ? __switch_to_asm+0x40/0x70
[  382.446976]  ? pvclock_read_flags+0x160/0x160
[  382.451478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.457028]  ? check_preemption_disabled+0x48/0x200
[  382.462060]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  382.467345]  ? rcu_pm_notify+0xc0/0xc0
[  382.471241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.476797]  ? check_preemption_disabled+0x48/0x200
[  382.481825]  run_timer_softirq+0x52/0xb0
[  382.485888]  ? rcu_read_lock_sched_held+0x108/0x120
[  382.490919]  __do_softirq+0x30b/0xad8
[  382.494734]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  382.499840]  ? trace_hardirqs_off_caller+0x300/0x300
[  382.504955]  ? schedule+0x108/0x460
[  382.508588]  ? __schedule+0x1ed0/0x1ed0
[  382.512584]  ? trace_hardirqs_off+0xb8/0x300
[  382.516996]  ? ___might_sleep+0x1ed/0x300
[  382.521143]  ? smpboot_thread_fn+0x68b/0xa00
[  382.525554]  ? trace_hardirqs_on+0x310/0x310
[  382.529966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.535515]  ? check_preemption_disabled+0x48/0x200
[  382.540533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.546078]  ? takeover_tasklets+0xa90/0xa90
[  382.550517]  run_ksoftirqd+0x94/0x100
[  382.554322]  smpboot_thread_fn+0x68b/0xa00
[  382.558566]  ? sort_range+0x30/0x30
[  382.562210]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  382.567324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.572863]  ? __kthread_parkme+0xfb/0x1a0
[  382.577107]  kthread+0x35a/0x420
[  382.580477]  ? sort_range+0x30/0x30
[  382.584116]  ? kthread_bind+0x40/0x40
[  382.587924]  ret_from_fork+0x3a/0x50
[  382.591664] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  382.591669] warn_alloc_show_mem: 1 callbacks suppressed
[  382.591676] Mem-Info:
[  382.598938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.598947] Call Trace:
[  382.604318] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  382.604318]  active_file:28 inactive_file:21 isolated_file:0
[  382.604318]  unevictable:0 dirty:0 writeback:0 unstable:0
[  382.604318]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  382.604318]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  382.604318]  free:13666 free_pcp:197 free_cma:0
[  382.606700]  <IRQ>
[  382.616062] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  382.618640]  dump_stack+0x1c4/0x2b4
[  382.651773] Node 0 
[  382.653937]  ? dump_stack_print_info.cold.2+0x52/0x52
[  382.682129] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  382.685744]  warn_alloc.cold.118+0xb7/0x1bd
[  382.687936] lowmem_reserve[]:
[  382.693120]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.718595]  0 2817
[  382.722942]  ? lock_downgrade+0x900/0x900
[  382.726018]  6321
[  382.730862]  ? trace_hardirqs_off+0xb8/0x300
[  382.733067]  6321
[  382.737224]  ? trace_hardirqs_off+0xb8/0x300
[  382.743669]  __alloc_pages_slowpath+0x2667/0x2d80
[  382.745701] Node 0 
[  382.750131]  ? warn_alloc+0x120/0x120
[  382.754947] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  382.757156]  ? trace_hardirqs_on+0x310/0x310
[  382.760934] lowmem_reserve[]:
[  382.787661]  ? warn_alloc+0x120/0x120
[  382.792040]  0
[  382.795141]  ? print_usage_bug+0xc0/0xc0
[  382.798931]  0
[  382.800730]  ? warn_alloc+0x120/0x120
[  382.804770]  3503
[  382.806590]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  382.810365]  3503
[  382.812421]  ? print_usage_bug+0xc0/0xc0
[  382.817410] Node 0 
[  382.819471]  ? __lock_acquire+0x7ec/0x4ec0
[  382.823546] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  382.825749]  ? __lock_acquire+0x7ec/0x4ec0
[  382.829962] lowmem_reserve[]:
[  382.858515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.862726]  0
[  382.865825]  ? should_fail+0x22d/0xd01
[  382.871334]  0
[  382.873136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.876997]  0
[  382.878798]  ? __lock_acquire+0x7ec/0x4ec0
[  382.883868]  0
[  382.885678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.889887] Node 0 
[  382.891683]  ? __lock_acquire+0x7ec/0x4ec0
[  382.896770] DMA: 
[  382.899004]  ? should_fail+0x22d/0xd01
[  382.903216] 1*4kB 
[  382.905277]  ? print_usage_bug+0xc0/0xc0
[  382.909139] (U) 
[  382.911290]  ? mark_held_locks+0x130/0x130
[  382.915319] 0*8kB 
[  382.917289]  ? mark_held_locks+0x130/0x130
[  382.921498] 0*16kB 1*32kB 
[  382.923657]  ? graph_lock+0x170/0x170
[  382.927859] (U) 
[  382.930698]  ? print_usage_bug+0xc0/0xc0
[  382.934477] 2*64kB 
[  382.936462]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  382.940502] (U) 
[  382.942735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.947467] 1*128kB 
[  382.949448]  ? check_preemption_disabled+0x48/0x200
[  382.954957] (U) 
[  382.957280]  ? check_preemption_disabled+0x48/0x200
[  382.962278] 1*256kB 
[  382.964258]  ? __lock_is_held+0xb5/0x140
[  382.969247] (U) 
[  382.971569]  __alloc_pages_nodemask+0xa80/0xde0
[  382.975601] 0*512kB 
[  382.977577]  ? graph_lock+0x170/0x170
[  382.982222] 1*1024kB (U) 
[  382.984575]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  382.988353] 1*2048kB 
[  382.991106]  ? graph_lock+0x170/0x170
[  382.996096] (M) 
[  382.998519]  ? find_held_lock+0x36/0x1c0
[  383.002285] 3*4096kB (M) 
[  383.004274]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.008312] = 15908kB
[  383.011067]  ? lock_downgrade+0x900/0x900
[  383.015714] Node 0 
[  383.018122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.022236] DMA32: 2*4kB 
[  383.024478]  cache_grow_begin+0x91/0x8c0
[  383.029995] (M) 
[  383.032749]  ? do_raw_spin_unlock+0xa7/0x2f0
[  383.036788] 0*8kB 
[  383.038770]  fallback_alloc+0x203/0x2e0
[  383.043147] 3*16kB 
[  383.045295]  ____cache_alloc_node+0x1c7/0x1e0
[  383.049239] (M) 
[  383.051477]  kmem_cache_alloc_node+0xe3/0x730
[  383.055950] 2*32kB 
[  383.057923]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.062393] (UM) 
[  383.064631]  __alloc_skb+0x119/0x770
[  383.068833] 2*64kB (M) 
[  383.070907]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  383.074594] 4*128kB 
[  383.077173]  ? skb_scrub_packet+0x490/0x490
[  383.082416] (UM) 2*256kB 
[  383.084743]  ? lock_downgrade+0x900/0x900
[  383.089038] (M) 
[  383.091797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.096090] 4*512kB 
[  383.098063]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.103572] (UM) 
[  383.105892]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.111318] 3*1024kB 
[  383.113380]  ? addrconf_rs_timer+0x6f0/0x6f0
[  383.118802] (M) 
[  383.121217]  ndisc_alloc_skb+0x144/0x340
[  383.125592] 3*2048kB 
[  383.127564]  ndisc_send_rs+0x331/0x6e0
[  383.131600] (UM) 
[  383.134011]  addrconf_rs_timer+0x3c0/0x6f0
[  383.137872] 3*4096kB 
[  383.139929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.144135] (M) 
[  383.146555]  call_timer_fn+0x272/0x920
[  383.150749] = 24824kB
[  383.150757] Node 0 
[  383.152735]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.156590] Normal: 981*4kB 
[  383.159003]  ? process_timeout+0x40/0x40
[  383.161217] (UMEH) 
[  383.165447]  ? find_held_lock+0x36/0x1c0
[  383.168445] 521*8kB 
[  383.172513]  ? __run_timers+0x7da/0xc70
[  383.174713] (MEH) 165*16kB 
[  383.178783]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.181096] (UMEH) 
[  383.185062]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.187974] 24*32kB 
[  383.192465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.194670] (MEH) 4*64kB 
[  383.199186]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  383.201496] (MH) 
[  383.205727]  ? trace_hardirqs_on+0xbd/0x310
[  383.208463] 3*128kB 
[  383.213049]  ? kasan_check_read+0x11/0x20
[  383.215086] (UH) 
[  383.219402]  ? __run_timers+0x7da/0xc70
[  383.221712] 1*256kB 
[  383.225854]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  383.227892] (U) 
[  383.231860]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.234187] 1*512kB 
[  383.239632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.241587] (U) 1*1024kB 
[  383.245827]  __run_timers+0x7e5/0xc70
[  383.248117] (H) 0*2048kB 
[  383.252369]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  383.255085] 0*4096kB = 13932kB
[  383.258892]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.261633] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  383.266982]  ? graph_lock+0x170/0x170
[  383.270161] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  383.275172]  ? enqueue_hrtimer+0x1a5/0x560
[  383.283992] 4507 total pagecache pages
[  383.287795]  ? lock_release+0x970/0x970
[  383.296636] 0 pages in swap cache
[  383.300869]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  383.304737] Swap cache stats: add 0, delete 0, find 0/0
[  383.308706]  ? find_held_lock+0x36/0x1c0
[  383.312134] Free swap  = 0kB
[  383.317316]  ? graph_lock+0x170/0x170
[  383.322654] Total swap = 0kB
[  383.326709]  ? pvclock_read_flags+0x160/0x160
[  383.329703] 1965979 pages RAM
[  383.333509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.336513] 0 pages HighMem/MovableOnly
[  383.341028]  ? check_preemption_disabled+0x48/0x200
[  383.344102] 342744 pages reserved
[  383.344110] 0 pages cma reserved
[  383.349652]  ? __lock_is_held+0xb5/0x140
[  383.353695] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  383.358602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.358620]  ? check_preemption_disabled+0x48/0x200
[  383.358643]  run_timer_softirq+0x52/0xb0
[  383.362134] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.365435]  ? rcu_read_lock_sched_held+0x108/0x120
[  383.369474] ksoftirqd/1 cpuset=
[  383.375971]  __do_softirq+0x30b/0xad8
[  383.381483] /
[  383.386521]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  383.390557]  mems_allowed=0
[  383.400862]  ? pvclock_read_flags+0x160/0x160
[  383.427408]  ? lapic_next_event+0x5a/0x90
[  383.431564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.437128]  ? check_preemption_disabled+0x48/0x200
[  383.442140]  ? check_preemption_disabled+0x48/0x200
[  383.447155]  ? kvm_clock_read+0x18/0x30
[  383.451139]  ? kvm_sched_clock_read+0x9/0x20
[  383.455556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.461101]  ? check_preemption_disabled+0x48/0x200
[  383.466132]  irq_exit+0x17f/0x1c0
[  383.469597]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.474445]  ? smp_reschedule_interrupt+0x109/0x650
[  383.479468]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.485363]  ? interrupt_entry+0xb5/0xf0
[  383.489432]  ? trace_hardirqs_off_caller+0xbb/0x300
[  383.494450]  ? trace_hardirqs_off_caller+0xbb/0x300
[  383.499471]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.504326]  ? trace_hardirqs_off+0x300/0x300
[  383.508829]  ? trace_hardirqs_off+0x300/0x300
[  383.513327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.518870]  ? check_preemption_disabled+0x48/0x200
[  383.523887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.529435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.534291]  apic_timer_interrupt+0xf/0x20
[  383.538521]  </IRQ>
[  383.540769] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  383.545724] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  383.564635] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  383.572373] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  383.579652] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  383.586931] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  383.594213] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  383.601499] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  383.608827]  skb_clone+0x1bb/0x500
[  383.612374]  ? skb_split+0x11e0/0x11e0
[  383.616270]  ? preempt_notifier_register+0x200/0x200
[  383.621375]  ? __switch_to_asm+0x34/0x70
[  383.625435]  ? __switch_to_asm+0x34/0x70
[  383.629504]  ? __switch_to_asm+0x40/0x70
[  383.633564]  ? __switch_to_asm+0x34/0x70
[  383.637623]  ? __switch_to_asm+0x40/0x70
[  383.641687]  ? __switch_to_asm+0x40/0x70
[  383.645746]  ? __switch_to_asm+0x34/0x70
[  383.649812]  ? __switch_to_asm+0x34/0x70
[  383.653892]  ? __switch_to_asm+0x40/0x70
[  383.657954]  ? __switch_to_asm+0x34/0x70
[  383.662224]  bpf_clone_redirect+0xb9/0x490
[  383.666477]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  383.671528]  ? __sched_text_start+0x8/0x8
[  383.675682]  ? lockdep_hardirqs_on+0x421/0x5c0
[  383.680265]  ? retint_kernel+0x2d/0x2d
[  383.684156]  ? trace_hardirqs_on_caller+0xc0/0x300
[  383.689095]  ? find_held_lock+0x36/0x1c0
[  383.693175]  ? lock_acquire+0x1ed/0x520
[  383.697153]  ? bpf_test_run+0x32e/0x5a0
[  383.701131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.706674]  ? check_preemption_disabled+0x48/0x200
[  383.711701]  ? kasan_check_read+0x11/0x20
[  383.715856]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  383.721140]  ? rcu_bh_qs+0xc0/0xc0
[  383.724685]  ? preempt_schedule+0x4d/0x60
[  383.728843]  ? ___preempt_schedule+0x16/0x18
[  383.733273]  ? bpf_test_run+0x1c0/0x5a0
[  383.737264]  ? netlink_diag_dump+0x2a0/0x2a0
[  383.741685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.747234]  ? bpf_test_init.isra.9+0x70/0x100
[  383.751829]  ? bpf_prog_test_run_skb+0x634/0xb40
[  383.756628]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  383.761477]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  383.767026]  ? fput+0x130/0x1a0
[  383.770312]  ? __bpf_prog_get+0x9b/0x290
[  383.774379]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  383.779223]  ? bpf_prog_test_run+0x130/0x1a0
[  383.783639]  ? __x64_sys_bpf+0x3d8/0x510
[  383.787703]  ? bpf_prog_get+0x20/0x20
[  383.791522]  ? ksys_ioctl+0x81/0xd0
[  383.795272]  ? do_syscall_64+0x1b9/0x820
[  383.799607]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  383.804980]  ? syscall_return_slowpath+0x5e0/0x5e0
[  383.809915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.814769]  ? trace_hardirqs_off+0x300/0x300
[  383.819268]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  383.824291]  ? prepare_exit_to_usermode+0x291/0x3b0
[  383.829317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.834178]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  383.839568] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  383.839652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  383.846432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.846438] Call Trace:
[  383.846457]  dump_stack+0x1c4/0x2b4
[  383.846472]  ? dump_stack_print_info.cold.2+0x52/0x52
[  383.846511]  warn_alloc.cold.118+0xb7/0x1bd
[  383.853039] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.862329]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.864915] syz-executor0 cpuset=
[  383.868561]  ? lock_downgrade+0x900/0x900
[  383.873727] syz0
[  383.878046]  ? trace_hardirqs_off+0xb8/0x300
[  383.888511]  mems_allowed=0
[  383.893349]  ? trace_hardirqs_off+0xb8/0x300
[  383.914605]  __alloc_pages_slowpath+0x2667/0x2d80
[  383.919481]  ? warn_alloc+0x120/0x120
[  383.923306]  ? warn_alloc+0x120/0x120
[  383.927116]  ? print_usage_bug+0xc0/0xc0
[  383.931179]  ? warn_alloc+0x120/0x120
[  383.934983]  ? print_usage_bug+0xc0/0xc0
[  383.939048]  ? __lock_acquire+0x7ec/0x4ec0
[  383.943287]  ? __lock_acquire+0x7ec/0x4ec0
[  383.947528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.953068]  ? should_fail+0x22d/0xd01
[  383.956961]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.962065]  ? __lock_acquire+0x7ec/0x4ec0
[  383.966313]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.971419]  ? __lock_acquire+0x7ec/0x4ec0
[  383.975654]  ? should_fail+0x22d/0xd01
[  383.979556]  ? mark_held_locks+0x130/0x130
[  383.983800]  ? mark_held_locks+0x130/0x130
[  383.988042]  ? graph_lock+0x170/0x170
[  383.991844]  ? graph_lock+0x170/0x170
[  383.995648]  ? graph_lock+0x170/0x170
[  383.999453]  ? print_usage_bug+0xc0/0xc0
[  384.003527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.009070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.014617]  ? check_preemption_disabled+0x48/0x200
[  384.019634]  ? check_preemption_disabled+0x48/0x200
[  384.024663]  ? __lock_is_held+0xb5/0x140
[  384.028731]  __alloc_pages_nodemask+0xa80/0xde0
[  384.033407]  ? graph_lock+0x170/0x170
[  384.037214]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  384.042229]  ? graph_lock+0x170/0x170
[  384.046052]  ? find_held_lock+0x36/0x1c0
[  384.050127]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.054802]  ? lock_downgrade+0x900/0x900
[  384.058961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.064521]  cache_grow_begin+0x91/0x8c0
[  384.068591]  ? do_raw_spin_unlock+0xa7/0x2f0
[  384.073011]  fallback_alloc+0x203/0x2e0
[  384.076993]  ____cache_alloc_node+0x1c7/0x1e0
[  384.081506]  kmem_cache_alloc_node+0xe3/0x730
[  384.086005]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.090254]  __alloc_skb+0x119/0x770
[  384.093978]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  384.099268]  ? skb_scrub_packet+0x490/0x490
[  384.103592]  ? lock_downgrade+0x900/0x900
[  384.107751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.113299]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.118758]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.124216]  ? addrconf_rs_timer+0x6f0/0x6f0
[  384.128642]  ndisc_alloc_skb+0x144/0x340
[  384.132713]  ndisc_send_rs+0x331/0x6e0
[  384.136607]  addrconf_rs_timer+0x3c0/0x6f0
[  384.140850]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.145102]  call_timer_fn+0x272/0x920
[  384.148991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.153234]  ? process_timeout+0x40/0x40
[  384.157303]  ? find_held_lock+0x36/0x1c0
[  384.161376]  ? __run_timers+0x7da/0xc70
[  384.165356]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.169851]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.174358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.178598]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  384.183186]  ? trace_hardirqs_on+0xbd/0x310
[  384.187518]  ? kasan_check_read+0x11/0x20
[  384.191670]  ? __run_timers+0x7da/0xc70
[  384.195649]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.201108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.205351]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.209591]  __run_timers+0x7e5/0xc70
[  384.213414]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  384.218802]  ? compat_start_thread+0x80/0x80
[  384.223220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.228767]  ? _raw_spin_unlock_irq+0x60/0x80
[  384.233274]  ? finish_task_switch+0x1f5/0x900
[  384.237771]  ? finish_task_switch+0x1b5/0x900
[  384.242275]  ? __switch_to_asm+0x34/0x70
[  384.246348]  ? preempt_notifier_register+0x200/0x200
[  384.251474]  ? __switch_to_asm+0x34/0x70
[  384.255547]  ? __switch_to_asm+0x40/0x70
[  384.259615]  ? __switch_to_asm+0x34/0x70
[  384.263676]  ? __switch_to_asm+0x40/0x70
[  384.267740]  ? __switch_to_asm+0x34/0x70
[  384.271800]  ? __switch_to_asm+0x40/0x70
[  384.275874]  ? __switch_to_asm+0x40/0x70
[  384.279949]  ? pvclock_read_flags+0x160/0x160
[  384.284454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.290006]  ? check_preemption_disabled+0x48/0x200
[  384.295037]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  384.300319]  ? rcu_pm_notify+0xc0/0xc0
[  384.304214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.309757]  ? check_preemption_disabled+0x48/0x200
[  384.314785]  run_timer_softirq+0x52/0xb0
[  384.318851]  ? rcu_read_lock_sched_held+0x108/0x120
[  384.323871]  __do_softirq+0x30b/0xad8
[  384.327687]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  384.332791]  ? trace_hardirqs_off_caller+0x300/0x300
[  384.337904]  ? schedule+0x108/0x460
[  384.341539]  ? __schedule+0x1ed0/0x1ed0
[  384.345530]  ? trace_hardirqs_off+0xb8/0x300
[  384.349950]  ? ___might_sleep+0x1ed/0x300
[  384.354101]  ? smpboot_thread_fn+0x68b/0xa00
[  384.358520]  ? trace_hardirqs_on+0x310/0x310
[  384.362934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.368480]  ? check_preemption_disabled+0x48/0x200
[  384.373514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.379059]  ? takeover_tasklets+0xa90/0xa90
[  384.383478]  run_ksoftirqd+0x94/0x100
[  384.387299]  smpboot_thread_fn+0x68b/0xa00
[  384.391545]  ? sort_range+0x30/0x30
[  384.395177]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  384.400301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.405843]  ? __kthread_parkme+0xfb/0x1a0
[  384.410085]  kthread+0x35a/0x420
[  384.413452]  ? sort_range+0x30/0x30
[  384.417091]  ? kthread_bind+0x40/0x40
[  384.420899]  ret_from_fork+0x3a/0x50
[  384.424636] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  384.424642] warn_alloc_show_mem: 1 callbacks suppressed
[  384.424649] Mem-Info:
[  384.431919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.437295] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  384.437295]  active_file:28 inactive_file:21 isolated_file:0
[  384.437295]  unevictable:0 dirty:0 writeback:0 unstable:0
[  384.437295]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  384.437295]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  384.437295]  free:13666 free_pcp:197 free_cma:0
[  384.439661] Call Trace:
[  384.449048] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  384.482070]  <IRQ>
[  384.484641] Node 0 
[  384.512484]  dump_stack+0x1c4/0x2b4
[  384.514643] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  384.516850]  ? dump_stack_print_info.cold.2+0x52/0x52
[  384.520454] lowmem_reserve[]:
[  384.545979]  warn_alloc.cold.118+0xb7/0x1bd
[  384.551138]  0
[  384.554239]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.558536]  2817
[  384.560336]  ? lock_downgrade+0x900/0x900
[  384.565151]  6321
[  384.567217]  ? trace_hardirqs_off+0xb8/0x300
[  384.571351]  6321
[  384.573675]  ? trace_hardirqs_off+0xb8/0x300
[  384.580130]  __alloc_pages_slowpath+0x2667/0x2d80
[  384.584513] Node 0 DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  384.589380]  ? warn_alloc+0x120/0x120
[  384.589401]  ? warn_alloc+0x120/0x120
[  384.616709] lowmem_reserve[]:
[  384.620524]  ? print_usage_bug+0xc0/0xc0
[  384.624299]  0
[  384.627402]  ? warn_alloc+0x120/0x120
[  384.631435]  0 3503
[  384.633244]  ? print_usage_bug+0xc0/0xc0
[  384.637020]  3503
[  384.639257]  ? __lock_acquire+0x7ec/0x4ec0
[  384.643300] Node 0 
[  384.645358]  ? __lock_acquire+0x7ec/0x4ec0
[  384.649610] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  384.651818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.656025] lowmem_reserve[]:
[  384.684568]  ? should_fail+0x22d/0xd01
[  384.690081]  0
[  384.693181]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.697048]  0
[  384.698847]  ? __lock_acquire+0x7ec/0x4ec0
[  384.703926]  0
[  384.705728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.709939]  0
[  384.711736]  ? __lock_acquire+0x7ec/0x4ec0
[  384.718616]  ? should_fail+0x22d/0xd01
[  384.722830] Node 0 DMA: 
[  384.726726]  ? mark_held_locks+0x130/0x130
[  384.726730] 1*4kB (U) 
[  384.729410]  ? mark_held_locks+0x130/0x130
[  384.733624] 0*8kB 
[  384.736117]  ? graph_lock+0x170/0x170
[  384.740325] 0*16kB 
[  384.742466]  ? graph_lock+0x170/0x170
[  384.746244] 1*32kB 
[  384.748479]  ? graph_lock+0x170/0x170
[  384.752265] (U) 
[  384.754509]  ? print_usage_bug+0xc0/0xc0
[  384.758286] 2*64kB (U) 
[  384.760270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.764307] 1*128kB 
[  384.766888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.772404] (U) 
[  384.774728]  ? check_preemption_disabled+0x48/0x200
[  384.780255] 1*256kB 
[  384.782234]  ? check_preemption_disabled+0x48/0x200
[  384.787224] (U) 
[  384.789553]  ? __lock_is_held+0xb5/0x140
[  384.794539] 0*512kB 
[  384.796520]  __alloc_pages_nodemask+0xa80/0xde0
[  384.800553] 1*1024kB 
[  384.802872]  ? graph_lock+0x170/0x170
[  384.807519] (U) 
[  384.809933]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  384.813702] 1*2048kB (M) 
[  384.815697]  ? graph_lock+0x170/0x170
[  384.820691] 3*4096kB 
[  384.823452]  ? find_held_lock+0x36/0x1c0
[  384.827219] (M) 
[  384.829633]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.833665] = 15908kB
[  384.835637]  ? lock_downgrade+0x900/0x900
[  384.840299] Node 0 
[  384.842713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.846828] DMA32: 
[  384.849072]  cache_grow_begin+0x91/0x8c0
[  384.854582] 2*4kB 
[  384.856820]  ? do_raw_spin_unlock+0xa7/0x2f0
[  384.860852] (M) 
[  384.863005]  fallback_alloc+0x203/0x2e0
[  384.867385] 0*8kB 
[  384.869367]  ____cache_alloc_node+0x1c7/0x1e0
[  384.873314] 3*16kB 
[  384.875472]  kmem_cache_alloc_node+0xe3/0x730
[  384.879941] (M) 
[  384.883928]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.888398] 2*32kB 
[  384.890384]  __alloc_skb+0x119/0x770
[  384.894583] (UM) 
[  384.896820]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  384.900515] 2*64kB 
[  384.902576]  ? skb_scrub_packet+0x490/0x490
[  384.907823] (M) 
[  384.910056]  ? lock_downgrade+0x900/0x900
[  384.914351] 4*128kB 
[  384.916328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.920448] (UM) 
[  384.922772]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.928280] 2*256kB 
[  384.930342]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.935763] (M) 4*512kB 
[  384.938092]  ? addrconf_rs_timer+0x6f0/0x6f0
[  384.943519] (UM) 
[  384.946197]  ndisc_alloc_skb+0x144/0x340
[  384.950569] 3*1024kB 
[  384.952627]  ndisc_send_rs+0x331/0x6e0
[  384.956659] (M) 
[  384.959065]  addrconf_rs_timer+0x3c0/0x6f0
[  384.962921] 3*2048kB (UM) 
[  384.964905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.969111] 3*4096kB 
[  384.971979]  call_timer_fn+0x272/0x920
[  384.976183] (M) 
[  384.978587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.982448] = 24824kB
[  384.984419]  ? process_timeout+0x40/0x40
[  384.988632] Node 0 
[  384.991038]  ? find_held_lock+0x36/0x1c0
[  384.995078] Normal: 
[  384.997317]  ? __run_timers+0x7da/0xc70
[  385.001347] 981*4kB 
[  385.003665]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.007612] (UMEH) 
[  385.009929]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.014394] 521*8kB (MEH) 
[  385.016633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.021107] 165*16kB (UMEH) 
[  385.023952]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  385.028162] 24*32kB 
[  385.031172]  ? trace_hardirqs_on+0xbd/0x310
[  385.035727] (MEH) 
[  385.038063]  ? kasan_check_read+0x11/0x20
[  385.042358] 4*64kB 
[  385.044510]  ? __run_timers+0x7da/0xc70
[  385.048627] (MH) 3*128kB 
[  385.050867]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  385.054814] (UH) 
[  385.057572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.062996] 1*256kB 
[  385.065057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.069264] (U) 
[  385.071587]  __run_timers+0x7e5/0xc70
[  385.075800] 1*512kB 
[  385.077784]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  385.081543] (U) 
[  385.083862]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.089205] 1*1024kB 
[  385.091178]  ? graph_lock+0x170/0x170
[  385.096172] (H) 
[  385.098575]  ? enqueue_hrtimer+0x1a5/0x560
[  385.102360] 0*2048kB 
[  385.104334]  ? lock_release+0x970/0x970
[  385.108547] 0*4096kB 
[  385.110949]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.114897] = 13932kB
[  385.117306]  ? find_held_lock+0x36/0x1c0
[  385.122476] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  385.124882]  ? graph_lock+0x170/0x170
[  385.128927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  385.137748]  ? pvclock_read_flags+0x160/0x160
[  385.141524] 4507 total pagecache pages
[  385.150094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.154573] 0 pages in swap cache
[  385.158450]  ? check_preemption_disabled+0x48/0x200
[  385.163965] Swap cache stats: add 0, delete 0, find 0/0
[  385.167418]  ? __lock_is_held+0xb5/0x140
[  385.172404] Free swap  = 0kB
[  385.177768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.181802] Total swap = 0kB
[  385.184817]  ? check_preemption_disabled+0x48/0x200
[  385.190328] 1965979 pages RAM
[  385.193345]  run_timer_softirq+0x52/0xb0
[  385.198330] 0 pages HighMem/MovableOnly
[  385.201427]  ? rcu_read_lock_sched_held+0x108/0x120
[  385.205462] 342744 pages reserved
[  385.209435]  __do_softirq+0x30b/0xad8
[  385.214426] 0 pages cma reserved
[  385.217879]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  385.221735] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.225010]  ? pvclock_read_flags+0x160/0x160
[  385.230185] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.236576]  ? lapic_next_event+0x5a/0x90
[  385.241048] ksoftirqd/1 cpuset=
[  385.251361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.255479] /
[  385.258779]  ? check_preemption_disabled+0x48/0x200
[  385.264289]  mems_allowed=0
[  385.266001]  ? check_preemption_disabled+0x48/0x200
[  385.278924]  ? kvm_clock_read+0x18/0x30
[  385.282898]  ? kvm_sched_clock_read+0x9/0x20
[  385.287314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.292859]  ? check_preemption_disabled+0x48/0x200
[  385.298246]  irq_exit+0x17f/0x1c0
[  385.301711]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.306556]  ? smp_reschedule_interrupt+0x109/0x650
[  385.311578]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.317464]  ? interrupt_entry+0xb5/0xf0
[  385.321540]  ? trace_hardirqs_off_caller+0xbb/0x300
[  385.326555]  ? trace_hardirqs_off_caller+0xbb/0x300
[  385.331573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.336422]  ? trace_hardirqs_off+0x300/0x300
[  385.340916]  ? trace_hardirqs_off+0x300/0x300
[  385.345413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.350952]  ? check_preemption_disabled+0x48/0x200
[  385.355969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.361524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.366379]  apic_timer_interrupt+0xf/0x20
[  385.370609]  </IRQ>
[  385.372861] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  385.377799] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  385.396698] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  385.404411] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  385.411683] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  385.418953] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  385.426219] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  385.433779] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  385.441099]  skb_clone+0x1bb/0x500
[  385.444648]  ? skb_split+0x11e0/0x11e0
[  385.448543]  ? preempt_notifier_register+0x200/0x200
[  385.453647]  ? __switch_to_asm+0x34/0x70
[  385.457710]  ? __switch_to_asm+0x34/0x70
[  385.461778]  ? __switch_to_asm+0x40/0x70
[  385.465842]  ? __switch_to_asm+0x34/0x70
[  385.469901]  ? __switch_to_asm+0x40/0x70
[  385.473965]  ? __switch_to_asm+0x40/0x70
[  385.478026]  ? __switch_to_asm+0x34/0x70
[  385.482086]  ? __switch_to_asm+0x34/0x70
[  385.486145]  ? __switch_to_asm+0x40/0x70
[  385.490204]  ? __switch_to_asm+0x34/0x70
[  385.494276]  bpf_clone_redirect+0xb9/0x490
[  385.498531]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  385.503555]  ? __sched_text_start+0x8/0x8
[  385.507711]  ? lockdep_hardirqs_on+0x421/0x5c0
[  385.512295]  ? retint_kernel+0x2d/0x2d
[  385.516183]  ? trace_hardirqs_on_caller+0xc0/0x300
[  385.521117]  ? find_held_lock+0x36/0x1c0
[  385.525187]  ? lock_acquire+0x1ed/0x520
[  385.529163]  ? bpf_test_run+0x32e/0x5a0
[  385.533141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.538682]  ? check_preemption_disabled+0x48/0x200
[  385.543706]  ? kasan_check_read+0x11/0x20
[  385.547858]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  385.553138]  ? rcu_bh_qs+0xc0/0xc0
[  385.556703]  ? preempt_schedule+0x4d/0x60
[  385.560854]  ? ___preempt_schedule+0x16/0x18
[  385.565273]  ? bpf_test_run+0x1c0/0x5a0
[  385.569260]  ? netlink_diag_dump+0x2a0/0x2a0
[  385.573674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.579211]  ? bpf_test_init.isra.9+0x70/0x100
[  385.583799]  ? bpf_prog_test_run_skb+0x634/0xb40
[  385.588741]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  385.593589]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  385.599127]  ? fput+0x130/0x1a0
[  385.602409]  ? __bpf_prog_get+0x9b/0x290
[  385.606474]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  385.611330]  ? bpf_prog_test_run+0x130/0x1a0
[  385.615745]  ? __x64_sys_bpf+0x3d8/0x510
[  385.619829]  ? bpf_prog_get+0x20/0x20
[  385.623639]  ? ksys_ioctl+0x81/0xd0
[  385.627288]  ? do_syscall_64+0x1b9/0x820
[  385.631355]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  385.636728]  ? syscall_return_slowpath+0x5e0/0x5e0
[  385.641666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.646519]  ? trace_hardirqs_off+0x300/0x300
[  385.651019]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  385.656055]  ? prepare_exit_to_usermode+0x291/0x3b0
[  385.661080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.665933]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  385.671316] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  385.671401] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.678161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.678167] Call Trace:
[  385.678185]  dump_stack+0x1c4/0x2b4
[  385.678202]  ? dump_stack_print_info.cold.2+0x52/0x52
[  385.678228]  warn_alloc.cold.118+0xb7/0x1bd
[  385.684766] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.694046]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.696606] syz-executor0 cpuset=
[  385.700226]  ? lock_downgrade+0x900/0x900
[  385.705408] syz0
[  385.709727]  ? trace_hardirqs_off+0xb8/0x300
[  385.720189]  mems_allowed=0
[  385.725024]  ? trace_hardirqs_off+0xb8/0x300
[  385.746266]  __alloc_pages_slowpath+0x2667/0x2d80
[  385.751145]  ? warn_alloc+0x120/0x120
[  385.754954]  ? warn_alloc+0x120/0x120
[  385.758764]  ? print_usage_bug+0xc0/0xc0
[  385.762827]  ? warn_alloc+0x120/0x120
[  385.766635]  ? print_usage_bug+0xc0/0xc0
[  385.770701]  ? __lock_acquire+0x7ec/0x4ec0
[  385.774938]  ? __lock_acquire+0x7ec/0x4ec0
[  385.779176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.784720]  ? should_fail+0x22d/0xd01
[  385.788614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.793717]  ? __lock_acquire+0x7ec/0x4ec0
[  385.797962]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.803066]  ? __lock_acquire+0x7ec/0x4ec0
[  385.807305]  ? should_fail+0x22d/0xd01
[  385.811192]  ? print_usage_bug+0xc0/0xc0
[  385.815272]  ? mark_held_locks+0x130/0x130
[  385.819523]  ? mark_held_locks+0x130/0x130
[  385.823796]  ? graph_lock+0x170/0x170
[  385.827599]  ? print_usage_bug+0xc0/0xc0
[  385.831664]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  385.836428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.841973]  ? check_preemption_disabled+0x48/0x200
[  385.846993]  ? check_preemption_disabled+0x48/0x200
[  385.852027]  ? __lock_is_held+0xb5/0x140
[  385.856099]  __alloc_pages_nodemask+0xa80/0xde0
[  385.860777]  ? graph_lock+0x170/0x170
[  385.864592]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  385.869607]  ? graph_lock+0x170/0x170
[  385.873423]  ? find_held_lock+0x36/0x1c0
[  385.877513]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.882197]  ? lock_downgrade+0x900/0x900
[  385.886370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.891937]  cache_grow_begin+0x91/0x8c0
[  385.896010]  ? do_raw_spin_unlock+0xa7/0x2f0
[  385.900433]  fallback_alloc+0x203/0x2e0
[  385.904419]  ____cache_alloc_node+0x1c7/0x1e0
[  385.908936]  kmem_cache_alloc_node+0xe3/0x730
[  385.913437]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.917688]  __alloc_skb+0x119/0x770
[  385.921410]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  385.926695]  ? skb_scrub_packet+0x490/0x490
[  385.931020]  ? lock_downgrade+0x900/0x900
[  385.935178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.940719]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.946181]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.951637]  ? addrconf_rs_timer+0x6f0/0x6f0
[  385.956065]  ndisc_alloc_skb+0x144/0x340
[  385.960136]  ndisc_send_rs+0x331/0x6e0
[  385.964034]  addrconf_rs_timer+0x3c0/0x6f0
[  385.968282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.972544]  call_timer_fn+0x272/0x920
[  385.976435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.980678]  ? process_timeout+0x40/0x40
[  385.984742]  ? find_held_lock+0x36/0x1c0
[  385.988815]  ? __run_timers+0x7da/0xc70
[  385.992794]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.997297]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.001799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.006037]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  386.010624]  ? trace_hardirqs_on+0xbd/0x310
[  386.014950]  ? kasan_check_read+0x11/0x20
[  386.019101]  ? __run_timers+0x7da/0xc70
[  386.023080]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.028540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.032790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.037036]  __run_timers+0x7e5/0xc70
[  386.040859]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  386.046234]  ? compat_start_thread+0x80/0x80
[  386.050661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.056208]  ? _raw_spin_unlock_irq+0x60/0x80
[  386.060708]  ? finish_task_switch+0x1f5/0x900
[  386.065205]  ? finish_task_switch+0x1b5/0x900
[  386.069702]  ? __switch_to_asm+0x34/0x70
[  386.073766]  ? preempt_notifier_register+0x200/0x200
[  386.078875]  ? __switch_to_asm+0x34/0x70
[  386.082936]  ? __switch_to_asm+0x40/0x70
[  386.086998]  ? __switch_to_asm+0x34/0x70
[  386.091058]  ? __switch_to_asm+0x40/0x70
[  386.095119]  ? __switch_to_asm+0x34/0x70
[  386.099183]  ? __switch_to_asm+0x40/0x70
[  386.103245]  ? __switch_to_asm+0x40/0x70
[  386.107322]  ? pvclock_read_flags+0x160/0x160
[  386.111828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.117368]  ? check_preemption_disabled+0x48/0x200
[  386.122395]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  386.127678]  ? rcu_pm_notify+0xc0/0xc0
[  386.131570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.137110]  ? check_preemption_disabled+0x48/0x200
[  386.142136]  run_timer_softirq+0x52/0xb0
[  386.146197]  ? rcu_read_lock_sched_held+0x108/0x120
[  386.151219]  __do_softirq+0x30b/0xad8
[  386.155036]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  386.160143]  ? trace_hardirqs_off_caller+0x300/0x300
[  386.165265]  ? schedule+0x108/0x460
[  386.168901]  ? __schedule+0x1ed0/0x1ed0
[  386.172883]  ? trace_hardirqs_off+0xb8/0x300
[  386.177296]  ? ___might_sleep+0x1ed/0x300
[  386.181447]  ? smpboot_thread_fn+0x68b/0xa00
[  386.185864]  ? trace_hardirqs_on+0x310/0x310
[  386.190282]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.195826]  ? check_preemption_disabled+0x48/0x200
[  386.200847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.206388]  ? takeover_tasklets+0xa90/0xa90
[  386.210804]  run_ksoftirqd+0x94/0x100
[  386.214609]  smpboot_thread_fn+0x68b/0xa00
[  386.218848]  ? sort_range+0x30/0x30
[  386.222477]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.227592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.233132]  ? __kthread_parkme+0xfb/0x1a0
[  386.237375]  kthread+0x35a/0x420
[  386.240745]  ? sort_range+0x30/0x30
[  386.244374]  ? kthread_bind+0x40/0x40
[  386.248178]  ret_from_fork+0x3a/0x50
[  386.251908] warn_alloc_show_mem: 1 callbacks suppressed
[  386.251921] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  386.251923] Mem-Info:
[  386.251956] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  386.251956]  active_file:28 inactive_file:21 isolated_file:0
[  386.251956]  unevictable:0 dirty:0 writeback:0 unstable:0
[  386.251956]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  386.251956]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  386.251956]  free:13666 free_pcp:197 free_cma:0
[  386.257290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.264570] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  386.266967] Call Trace:
[  386.300013] Node 0 
[  386.309358]  <IRQ>
[  386.337212] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  386.339776]  dump_stack+0x1c4/0x2b4
[  386.341977] lowmem_reserve[]:
[  386.344123]  ? dump_stack_print_info.cold.2+0x52/0x52
[  386.369615]  0
[  386.373245]  warn_alloc.cold.118+0xb7/0x1bd
[  386.376313]  2817
[  386.381503]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.383282]  6321
[  386.387599]  ? lock_downgrade+0x900/0x900
[  386.389631]  6321
[  386.394481]  ? trace_hardirqs_off+0xb8/0x300
[  386.396522] Node 0 
[  386.400669]  ? trace_hardirqs_off+0xb8/0x300
[  386.402732] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  386.407110]  __alloc_pages_slowpath+0x2667/0x2d80
[  386.409315] lowmem_reserve[]: 0
[  386.413753]  ? warn_alloc+0x120/0x120
[  386.440425]  0 3503
[  386.445275]  ? warn_alloc+0x120/0x120
[  386.448524]  3503
[  386.452326]  ? print_usage_bug+0xc0/0xc0
[  386.454539] Node 0 
[  386.458343]  ? warn_alloc+0x120/0x120
[  386.460408] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  386.464441]  ? print_usage_bug+0xc0/0xc0
[  386.466648] lowmem_reserve[]:
[  386.470445]  ? __lock_acquire+0x7ec/0x4ec0
[  386.498972]  0
[  386.503055]  ? __lock_acquire+0x7ec/0x4ec0
[  386.506305]  0
[  386.510536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.512313]  0
[  386.516544]  ? should_fail+0x22d/0xd01
[  386.518319]  0
[  386.523852]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.529513]  ? __lock_acquire+0x7ec/0x4ec0
[  386.531291] Node 0 
[  386.536390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.540599] DMA: 
[  386.542843]  ? __lock_acquire+0x7ec/0x4ec0
[  386.547919] 1*4kB 
[  386.549977]  ? should_fail+0x22d/0xd01
[  386.554191] (U) 
[  386.556345]  ? mark_held_locks+0x130/0x130
[  386.560200] 0*8kB 
[  386.562173]  ? mark_held_locks+0x130/0x130
[  386.566382] 0*16kB 
[  386.568526]  ? graph_lock+0x170/0x170
[  386.572734] 1*32kB 
[  386.574960]  ? graph_lock+0x170/0x170
[  386.578735] (U) 
[  386.580968]  ? graph_lock+0x170/0x170
[  386.584747] 2*64kB 
[  386.586721]  ? print_usage_bug+0xc0/0xc0
[  386.590505] (U) 
[  386.592740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.596777] 1*128kB 
[  386.598750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.604265] (U) 
[  386.606585]  ? check_preemption_disabled+0x48/0x200
[  386.612093] 1*256kB (U) 
[  386.614076]  ? check_preemption_disabled+0x48/0x200
[  386.619066] 0*512kB 
[  386.621737]  ? __lock_is_held+0xb5/0x140
[  386.626716] 1*1024kB (U) 
[  386.629043]  __alloc_pages_nodemask+0xa80/0xde0
[  386.633069] 1*2048kB (M) 
[  386.635825]  ? graph_lock+0x170/0x170
[  386.640494] 3*4096kB 
[  386.643245]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  386.647024] (M) 
[  386.649430]  ? graph_lock+0x170/0x170
[  386.654426] = 15908kB
[  386.656407]  ? find_held_lock+0x36/0x1c0
[  386.660175] Node 0 
[  386.662584]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.666615] DMA32: 
[  386.668850]  ? lock_downgrade+0x900/0x900
[  386.673505] 2*4kB 
[  386.675742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.679858] (M) 
[  386.682008]  cache_grow_begin+0x91/0x8c0
[  386.687523] 0*8kB 
[  386.689502]  ? do_raw_spin_unlock+0xa7/0x2f0
[  386.693536] 3*16kB 
[  386.695681]  fallback_alloc+0x203/0x2e0
[  386.700059] (M) 
[  386.702296]  ____cache_alloc_node+0x1c7/0x1e0
[  386.706242] 2*32kB 
[  386.708217]  kmem_cache_alloc_node+0xe3/0x730
[  386.712683] (UM) 
[  386.714923]  ? ipv6_get_ifaddr+0x42e/0x620
[  386.719391] 2*64kB 
[  386.721453]  __alloc_skb+0x119/0x770
[  386.725656] (M) 
[  386.727910]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  386.731596] 4*128kB 
[  386.733568]  ? skb_scrub_packet+0x490/0x490
[  386.738816] (UM) 
[  386.741149]  ? lock_downgrade+0x900/0x900
[  386.745446] 2*256kB 
[  386.747517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.751634] (M) 
[  386.753951]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.759464] 4*512kB 
[  386.761436]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.766947] (UM) 
[  386.769266]  ? addrconf_rs_timer+0x6f0/0x6f0
[  386.774693] 3*1024kB 
[  386.776771]  ndisc_alloc_skb+0x144/0x340
[  386.781136] (M) 
[  386.783545]  ndisc_send_rs+0x331/0x6e0
[  386.787578] 3*2048kB 
[  386.789553]  addrconf_rs_timer+0x3c0/0x6f0
[  386.793414] (UM) 
[  386.795824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.800035] 3*4096kB 
[  386.802104]  call_timer_fn+0x272/0x920
[  386.806307] (M) 
[  386.808710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.812571] = 24824kB
[  386.814539]  ? process_timeout+0x40/0x40
[  386.818747] Node 0 
[  386.821154]  ? find_held_lock+0x36/0x1c0
[  386.825190] Normal: 
[  386.827428]  ? __run_timers+0x7da/0xc70
[  386.831462] 981*4kB 
[  386.833785]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.837736] (UMEH) 
[  386.840059]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.844528] 521*8kB 
[  386.846764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.851226] (MEH) 
[  386.853545]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  386.857756] 165*16kB 
[  386.859901]  ? trace_hardirqs_on+0xbd/0x310
[  386.864455] (UMEH) 
[  386.866866]  ? kasan_check_read+0x11/0x20
[  386.871160] 24*32kB 
[  386.873389]  ? __run_timers+0x7da/0xc70
[  386.877515] (MEH) 
[  386.879835]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.883781] 4*64kB 
[  386.885929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.891349] (MH) 
[  386.893588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.897798] 3*128kB 
[  386.899855]  __run_timers+0x7e5/0xc70
[  386.904066] (UH) 
[  386.906399]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  386.910179] 1*256kB 
[  386.912240]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  386.917576] (U) 
[  386.919898]  ? graph_lock+0x170/0x170
[  386.924901] 1*512kB 
[  386.926878]  ? enqueue_hrtimer+0x1a5/0x560
[  386.930658] (U) 
[  386.932979]  ? lock_release+0x970/0x970
[  386.937204] 1*1024kB 
[  386.939178]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  386.943126] (H) 
[  386.945540]  ? find_held_lock+0x36/0x1c0
[  386.950704] 0*2048kB 
[  386.952674]  ? graph_lock+0x170/0x170
[  386.956713] 0*4096kB 
[  386.959120]  ? pvclock_read_flags+0x160/0x160
[  386.962895] = 13932kB
[  386.965302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.969774] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  386.969787] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  386.972194]  ? check_preemption_disabled+0x48/0x200
[  386.977701] 4507 total pagecache pages
[  386.986539]  ? __lock_is_held+0xb5/0x140
[  386.995092] 0 pages in swap cache
[  387.000097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.003975] Swap cache stats: add 0, delete 0, find 0/0
[  387.008029]  ? check_preemption_disabled+0x48/0x200
[  387.011455] Free swap  = 0kB
[  387.016990]  run_timer_softirq+0x52/0xb0
[  387.022339] Total swap = 0kB
[  387.027356]  ? rcu_read_lock_sched_held+0x108/0x120
[  387.030350] 1965979 pages RAM
[  387.034410]  __do_softirq+0x30b/0xad8
[  387.037399] 0 pages HighMem/MovableOnly
[  387.037408] 342744 pages reserved
[  387.042455]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  387.045517] 0 pages cma reserved
[  387.049317]  ? pvclock_read_flags+0x160/0x160
[  387.053359] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.056714]  ? lapic_next_event+0x5a/0x90
[  387.056731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.056751]  ? check_preemption_disabled+0x48/0x200
[  387.061958] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.065207]  ? check_preemption_disabled+0x48/0x200
[  387.069680] ksoftirqd/1 cpuset=
[  387.076170]  ? kvm_clock_read+0x18/0x30
[  387.080287] /
[  387.085822]  ? kvm_sched_clock_read+0x9/0x20
[  387.090812]  mems_allowed=0
[  387.101126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.127888]  ? check_preemption_disabled+0x48/0x200
[  387.132920]  irq_exit+0x17f/0x1c0
[  387.136385]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.141228]  ? smp_reschedule_interrupt+0x109/0x650
[  387.146248]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.152140]  ? interrupt_entry+0xb5/0xf0
[  387.156204]  ? trace_hardirqs_off_caller+0xbb/0x300
[  387.161220]  ? trace_hardirqs_off_caller+0xbb/0x300
[  387.166243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.171089]  ? trace_hardirqs_off+0x300/0x300
[  387.175583]  ? trace_hardirqs_off+0x300/0x300
[  387.180086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.185638]  ? check_preemption_disabled+0x48/0x200
[  387.190662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.196215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.201072]  apic_timer_interrupt+0xf/0x20
[  387.205303]  </IRQ>
[  387.207546] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  387.212486] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  387.231414] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  387.239129] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  387.246398] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  387.253667] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  387.260939] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  387.268730] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  387.276057]  skb_clone+0x1bb/0x500
[  387.279610]  ? skb_split+0x11e0/0x11e0
[  387.283513]  ? preempt_notifier_register+0x200/0x200
[  387.288619]  ? __switch_to_asm+0x34/0x70
[  387.292685]  ? __switch_to_asm+0x34/0x70
[  387.297228]  ? __switch_to_asm+0x40/0x70
[  387.301294]  ? __switch_to_asm+0x34/0x70
[  387.305358]  ? __switch_to_asm+0x40/0x70
[  387.309423]  ? __switch_to_asm+0x40/0x70
[  387.313483]  ? __switch_to_asm+0x34/0x70
[  387.317554]  ? __switch_to_asm+0x34/0x70
[  387.321621]  ? __switch_to_asm+0x40/0x70
[  387.325686]  ? __switch_to_asm+0x34/0x70
[  387.329757]  bpf_clone_redirect+0xb9/0x490
[  387.334010]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  387.339033]  ? __sched_text_start+0x8/0x8
[  387.343187]  ? lockdep_hardirqs_on+0x421/0x5c0
[  387.347785]  ? retint_kernel+0x2d/0x2d
[  387.351676]  ? trace_hardirqs_on_caller+0xc0/0x300
[  387.356615]  ? find_held_lock+0x36/0x1c0
[  387.360693]  ? lock_acquire+0x1ed/0x520
[  387.364670]  ? bpf_test_run+0x32e/0x5a0
[  387.368667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.374215]  ? check_preemption_disabled+0x48/0x200
[  387.379246]  ? kasan_check_read+0x11/0x20
[  387.383403]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  387.388708]  ? rcu_bh_qs+0xc0/0xc0
[  387.392258]  ? preempt_schedule+0x4d/0x60
[  387.396432]  ? ___preempt_schedule+0x16/0x18
[  387.400857]  ? bpf_test_run+0x1c0/0x5a0
[  387.404847]  ? netlink_diag_dump+0x2a0/0x2a0
[  387.409266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.414810]  ? bpf_test_init.isra.9+0x70/0x100
[  387.419402]  ? bpf_prog_test_run_skb+0x634/0xb40
[  387.424170]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  387.429387]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  387.434930]  ? fput+0x130/0x1a0
[  387.438215]  ? __bpf_prog_get+0x9b/0x290
[  387.442277]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  387.447122]  ? bpf_prog_test_run+0x130/0x1a0
[  387.451540]  ? __x64_sys_bpf+0x3d8/0x510
[  387.455614]  ? bpf_prog_get+0x20/0x20
[  387.459425]  ? ksys_ioctl+0x81/0xd0
[  387.463066]  ? do_syscall_64+0x1b9/0x820
[  387.467132]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  387.472512]  ? syscall_return_slowpath+0x5e0/0x5e0
[  387.477449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.482302]  ? trace_hardirqs_off+0x300/0x300
[  387.486805]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  387.491824]  ? prepare_exit_to_usermode+0x291/0x3b0
[  387.496853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.501709]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  387.507094] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  387.507178] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.513939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.513948] Call Trace:
[  387.520565] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.529869]  dump_stack+0x1c4/0x2b4
[  387.532427] syz-executor0 cpuset=
[  387.542913]  ? dump_stack_print_info.cold.2+0x52/0x52
[  387.546519] syz0
[  387.549979]  warn_alloc.cold.118+0xb7/0x1bd
[  387.555143]  mems_allowed=0
[  387.557115]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.569170]  ? lock_downgrade+0x900/0x900
[  387.573333]  ? trace_hardirqs_off+0xb8/0x300
[  387.577753]  ? trace_hardirqs_off+0xb8/0x300
[  387.582174]  __alloc_pages_slowpath+0x2667/0x2d80
[  387.587051]  ? warn_alloc+0x120/0x120
[  387.590864]  ? warn_alloc+0x120/0x120
[  387.594672]  ? print_usage_bug+0xc0/0xc0
[  387.598736]  ? warn_alloc+0x120/0x120
[  387.602539]  ? print_usage_bug+0xc0/0xc0
[  387.606605]  ? __lock_acquire+0x7ec/0x4ec0
[  387.610842]  ? __lock_acquire+0x7ec/0x4ec0
[  387.615169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.620714]  ? should_fail+0x22d/0xd01
[  387.624603]  ? __lock_acquire+0x7ec/0x4ec0
[  387.628856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.633959]  ? __lock_acquire+0x7ec/0x4ec0
[  387.638200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.643304]  ? __lock_acquire+0x7ec/0x4ec0
[  387.647539]  ? should_fail+0x22d/0xd01
[  387.651464]  ? mark_held_locks+0x130/0x130
[  387.655715]  ? mark_held_locks+0x130/0x130
[  387.659981]  ? graph_lock+0x170/0x170
[  387.663800]  ? print_usage_bug+0xc0/0xc0
[  387.667866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.673411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.678976]  ? check_preemption_disabled+0x48/0x200
[  387.683999]  ? check_preemption_disabled+0x48/0x200
[  387.689029]  ? __lock_is_held+0xb5/0x140
[  387.693110]  __alloc_pages_nodemask+0xa80/0xde0
[  387.697783]  ? graph_lock+0x170/0x170
[  387.701595]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  387.706611]  ? graph_lock+0x170/0x170
[  387.710429]  ? find_held_lock+0x36/0x1c0
[  387.714511]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.719185]  ? lock_downgrade+0x900/0x900
[  387.723343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.729061]  cache_grow_begin+0x91/0x8c0
[  387.733129]  ? do_raw_spin_unlock+0xa7/0x2f0
[  387.737548]  fallback_alloc+0x203/0x2e0
[  387.741534]  ____cache_alloc_node+0x1c7/0x1e0
[  387.746037]  kmem_cache_alloc_node+0xe3/0x730
[  387.750541]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.754792]  __alloc_skb+0x119/0x770
[  387.758520]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  387.763806]  ? skb_scrub_packet+0x490/0x490
[  387.768130]  ? lock_downgrade+0x900/0x900
[  387.772293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.777836]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.783298]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.788757]  ? addrconf_rs_timer+0x6f0/0x6f0
[  387.793181]  ndisc_alloc_skb+0x144/0x340
[  387.797256]  ndisc_send_rs+0x331/0x6e0
[  387.801158]  addrconf_rs_timer+0x3c0/0x6f0
[  387.805405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.809660]  call_timer_fn+0x272/0x920
[  387.813549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.817791]  ? process_timeout+0x40/0x40
[  387.821852]  ? find_held_lock+0x36/0x1c0
[  387.825923]  ? __run_timers+0x7da/0xc70
[  387.829902]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.834400]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.838897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.843134]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  387.847723]  ? trace_hardirqs_on+0xbd/0x310
[  387.852047]  ? kasan_check_read+0x11/0x20
[  387.856219]  ? __run_timers+0x7da/0xc70
[  387.860199]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  387.865676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.869914]  __run_timers+0x7e5/0xc70
[  387.873730]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  387.879100]  ? compat_start_thread+0x80/0x80
[  387.883524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.889071]  ? _raw_spin_unlock_irq+0x60/0x80
[  387.893574]  ? finish_task_switch+0x1f5/0x900
[  387.898076]  ? finish_task_switch+0x1b5/0x900
[  387.902591]  ? __switch_to_asm+0x34/0x70
[  387.906677]  ? preempt_notifier_register+0x200/0x200
[  387.911783]  ? __switch_to_asm+0x34/0x70
[  387.915852]  ? __switch_to_asm+0x40/0x70
[  387.919914]  ? __switch_to_asm+0x34/0x70
[  387.923976]  ? __switch_to_asm+0x40/0x70
[  387.928036]  ? __switch_to_asm+0x34/0x70
[  387.932098]  ? __switch_to_asm+0x40/0x70
[  387.936180]  ? __switch_to_asm+0x40/0x70
[  387.940251]  ? pvclock_read_flags+0x160/0x160
[  387.944756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.950307]  ? check_preemption_disabled+0x48/0x200
[  387.955336]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  387.960617]  ? rcu_pm_notify+0xc0/0xc0
[  387.964515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.970059]  ? check_preemption_disabled+0x48/0x200
[  387.975089]  run_timer_softirq+0x52/0xb0
[  387.979151]  ? rcu_read_lock_sched_held+0x108/0x120
[  387.984191]  __do_softirq+0x30b/0xad8
[  387.988062]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  387.993171]  ? trace_hardirqs_off_caller+0x300/0x300
[  387.998289]  ? schedule+0x108/0x460
[  388.001921]  ? __schedule+0x1ed0/0x1ed0
[  388.005906]  ? trace_hardirqs_off+0xb8/0x300
[  388.010318]  ? ___might_sleep+0x1ed/0x300
[  388.014465]  ? smpboot_thread_fn+0x68b/0xa00
[  388.018884]  ? trace_hardirqs_on+0x310/0x310
[  388.023294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.028942]  ? check_preemption_disabled+0x48/0x200
[  388.033964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.039514]  ? takeover_tasklets+0xa90/0xa90
[  388.043937]  run_ksoftirqd+0x94/0x100
[  388.047741]  smpboot_thread_fn+0x68b/0xa00
[  388.051983]  ? sort_range+0x30/0x30
[  388.055615]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  388.060724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.066270]  ? __kthread_parkme+0xfb/0x1a0
[  388.070608]  kthread+0x35a/0x420
[  388.073975]  ? sort_range+0x30/0x30
[  388.077603]  ? kthread_bind+0x40/0x40
[  388.081413]  ret_from_fork+0x3a/0x50
[  388.085143] warn_alloc_show_mem: 1 callbacks suppressed
[  388.085155] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  388.085157] Mem-Info:
[  388.085191] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  388.085191]  active_file:28 inactive_file:21 isolated_file:0
[  388.085191]  unevictable:0 dirty:0 writeback:0 unstable:0
[  388.085191]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  388.085191]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  388.085191]  free:13666 free_pcp:197 free_cma:0
[  388.090533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  388.098529] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  388.100928] Call Trace:
[  388.133975] Node 0 
[  388.143323]  <IRQ>
[  388.171207] 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
[  388.173776]  dump_stack+0x1c4/0x2b4
[  388.175973] lowmem_reserve[]: 0
[  388.178134]  ? dump_stack_print_info.cold.2+0x52/0x52
[  388.203619]  2817
[  388.207265]  warn_alloc.cold.118+0xb7/0x1bd
[  388.210508]  6321
[  388.215700]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  388.217734]  6321
[  388.222051]  ? lock_downgrade+0x900/0x900
[  388.228929]  ? trace_hardirqs_off+0xb8/0x300
[  388.230962] Node 0 
[  388.235110]  ? trace_hardirqs_off+0xb8/0x300
[  388.239524] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  388.241739]  __alloc_pages_slowpath+0x2667/0x2d80
[  388.246119] lowmem_reserve[]:
[  388.272879]  ? warn_alloc+0x120/0x120
[  388.277671]  0
[  388.280779]  ? trace_hardirqs_on+0x310/0x310
[  388.284544]  0
[  388.286342]  ? warn_alloc+0x120/0x120
[  388.290716]  3503 3503
[  388.292527]  ? print_usage_bug+0xc0/0xc0
[  388.298807]  ? warn_alloc+0x120/0x120
[  388.302843] Node 0 
[  388.306638]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  388.306674] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  388.308884]  ? print_usage_bug+0xc0/0xc0
[  388.313876] lowmem_reserve[]:
[  388.342461]  ? __lock_acquire+0x7ec/0x4ec0
[  388.346502]  0 0
[  388.349621]  ? __lock_acquire+0x7ec/0x4ec0
[  388.353831]  0
[  388.355805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.360010]  0
[  388.361809]  ? should_fail+0x22d/0xd01
[  388.369118]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.372981] Node 0 
[  388.378076]  ? __lock_acquire+0x7ec/0x4ec0
[  388.378086] DMA: 
[  388.380321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.384532] 1*4kB 
[  388.386590]  ? __lock_acquire+0x7ec/0x4ec0
[  388.391670] (U) 
[  388.393813]  ? should_fail+0x22d/0xd01
[  388.398023] 0*8kB 
[  388.399991]  ? print_usage_bug+0xc0/0xc0
[  388.403849] 0*16kB 1*32kB 
[  388.406013]  ? mark_held_locks+0x130/0x130
[  388.410042] (U) 
[  388.412885]  ? mark_held_locks+0x130/0x130
[  388.417094] 2*64kB 
[  388.419072]  ? graph_lock+0x170/0x170
[  388.423278] (U) 
[  388.425515]  ? print_usage_bug+0xc0/0xc0
[  388.429736] 1*128kB (U) 
[  388.431734]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  388.435773] 1*256kB 
[  388.438441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.443168] (U) 
[  388.445501]  ? check_preemption_disabled+0x48/0x200
[  388.451009] 0*512kB 
[  388.452982]  ? check_preemption_disabled+0x48/0x200
[  388.457972] 1*1024kB 
[  388.460300]  ? __lock_is_held+0xb5/0x140
[  388.465288] (U) 
[  388.467703]  __alloc_pages_nodemask+0xa80/0xde0
[  388.471729] 1*2048kB (M) 
[  388.473723]  ? graph_lock+0x170/0x170
[  388.478368] 3*4096kB 
[  388.481126]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  388.484899] (M) 
[  388.487305]  ? graph_lock+0x170/0x170
[  388.492302] = 15908kB
[  388.494283]  ? find_held_lock+0x36/0x1c0
[  388.498057] Node 0 
[  388.500474]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.504507] DMA32: 
[  388.506741]  ? lock_downgrade+0x900/0x900
[  388.511384] 2*4kB 
[  388.513620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.517732] (M) 0*8kB 
[  388.519923]  cache_grow_begin+0x91/0x8c0
[  388.525435] 3*16kB 
[  388.527930]  ? do_raw_spin_unlock+0xa7/0x2f0
[  388.531963] (M) 
[  388.534204]  fallback_alloc+0x203/0x2e0
[  388.538760] 2*32kB 
[  388.540742]  ____cache_alloc_node+0x1c7/0x1e0
[  388.544686] (UM) 
[  388.546919]  kmem_cache_alloc_node+0xe3/0x730
[  388.551387] 2*64kB 
[  388.553446]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.557935] (M) 
[  388.560173]  __alloc_skb+0x119/0x770
[  388.564379] 4*128kB 
[  388.566353]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  388.570038] (UM) 
[  388.572359]  ? skb_scrub_packet+0x490/0x490
[  388.577616] 2*256kB 
[  388.579678]  ? lock_downgrade+0x900/0x900
[  388.583975] (M) 
[  388.586303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.590423] 4*512kB 
[  388.592397]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.597907] (UM) 
[  388.600229]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.605656] 3*1024kB 
[  388.607720]  ? addrconf_rs_timer+0x6f0/0x6f0
[  388.613141] (M) 
[  388.615559]  ndisc_alloc_skb+0x144/0x340
[  388.619952] 3*2048kB 
[  388.621931]  ndisc_send_rs+0x331/0x6e0
[  388.625961] (UM) 
[  388.628374]  addrconf_rs_timer+0x3c0/0x6f0
[  388.632236] 3*4096kB 
[  388.634296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.638508] (M) 
[  388.640924]  call_timer_fn+0x272/0x920
[  388.645125] = 24824kB
[  388.647093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.650955] Node 0 
[  388.653360]  ? process_timeout+0x40/0x40
[  388.657571] Normal: 
[  388.659803]  ? find_held_lock+0x36/0x1c0
[  388.663839] 981*4kB 
[  388.666163]  ? __run_timers+0x7da/0xc70
[  388.670197] (UMEH) 
[  388.672526]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.676478] 521*8kB 
[  388.678716]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.683212] (MEH) 
[  388.685536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.689998] 165*16kB (UMEH) 
[  388.692159]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  388.696372] 24*32kB 
[  388.699389]  ? trace_hardirqs_on+0xbd/0x310
[  388.703963] (MEH) 
[  388.706279]  ? kasan_check_read+0x11/0x20
[  388.706297]  ? __run_timers+0x7da/0xc70
[  388.710598] 4*64kB 
[  388.712743]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  388.716881] (MH) 
[  388.720857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.723072] 3*128kB 
[  388.728526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.730564] (UH) 
[  388.734801]  __run_timers+0x7e5/0xc70
[  388.737118] 1*256kB 
[  388.741363]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  388.743398] (U) 
[  388.747198]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.749506] 1*512kB 
[  388.754862]  ? graph_lock+0x170/0x170
[  388.756816] (U) 
[  388.761829]  ? enqueue_hrtimer+0x1a5/0x560
[  388.764128] 1*1024kB 
[  388.767922]  ? lock_release+0x970/0x970
[  388.769878] (H) 
[  388.774116]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.776516] 0*2048kB 
[  388.780498]  ? find_held_lock+0x36/0x1c0
[  388.782448] 0*4096kB 
[  388.788067]  ? graph_lock+0x170/0x170
[  388.790452] = 13932kB
[  388.794513]  ? pvclock_read_flags+0x160/0x160
[  388.796907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  388.800696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.803086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  388.807577]  ? check_preemption_disabled+0x48/0x200
[  388.816384] 4507 total pagecache pages
[  388.821921]  ? __lock_is_held+0xb5/0x140
[  388.830473] 0 pages in swap cache
[  388.835610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.839478] Swap cache stats: add 0, delete 0, find 0/0
[  388.843542]  ? check_preemption_disabled+0x48/0x200
[  388.846968] Free swap  = 0kB
[  388.852516]  run_timer_softirq+0x52/0xb0
[  388.857854] Total swap = 0kB
[  388.862868]  ? rcu_read_lock_sched_held+0x108/0x120
[  388.865860] 1965979 pages RAM
[  388.869968]  __do_softirq+0x30b/0xad8
[  388.872956] 0 pages HighMem/MovableOnly
[  388.872964] 342744 pages reserved
[  388.877981]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  388.881058] 0 pages cma reserved
[  388.884851]  ? pvclock_read_flags+0x160/0x160
[  388.888882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.892246]  ? lapic_next_event+0x5a/0x90
[  388.897429] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.900712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.905185] ksoftirqd/1 cpuset=
[  388.911675]  ? check_preemption_disabled+0x48/0x200
[  388.915796] /
[  388.926105]  ? check_preemption_disabled+0x48/0x200
[  388.931619]  mems_allowed=0
[  388.934894]  ? kvm_clock_read+0x18/0x30
[  388.953509]  ? kvm_sched_clock_read+0x9/0x20
[  388.957945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.963498]  ? check_preemption_disabled+0x48/0x200
[  388.968543]  irq_exit+0x17f/0x1c0
[  388.972006]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.976855]  ? smp_reschedule_interrupt+0x109/0x650
[  388.981880]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.987774]  ? interrupt_entry+0xb5/0xf0
[  388.991842]  ? trace_hardirqs_off_caller+0xbb/0x300
[  388.996859]  ? trace_hardirqs_off_caller+0xbb/0x300
[  389.001881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.006727]  ? trace_hardirqs_off+0x300/0x300
[  389.011221]  ? trace_hardirqs_off+0x300/0x300
[  389.015720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.021261]  ? check_preemption_disabled+0x48/0x200
[  389.026280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.031830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.036699]  apic_timer_interrupt+0xf/0x20
[  389.040931]  </IRQ>
[  389.043172] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  389.048103] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  389.067002] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  389.074718] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  389.082003] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  389.089275] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  389.096544] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  389.103817] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  389.111137]  skb_clone+0x1bb/0x500
[  389.114688]  ? skb_split+0x11e0/0x11e0
[  389.118584]  ? preempt_notifier_register+0x200/0x200
[  389.123689]  ? __switch_to_asm+0x34/0x70
[  389.127759]  ? __switch_to_asm+0x34/0x70
[  389.131829]  ? __switch_to_asm+0x40/0x70
[  389.135893]  ? __switch_to_asm+0x34/0x70
[  389.139952]  ? __switch_to_asm+0x40/0x70
[  389.144012]  ? __switch_to_asm+0x40/0x70
[  389.148077]  ? __switch_to_asm+0x34/0x70
[  389.152149]  ? __switch_to_asm+0x34/0x70
[  389.156209]  ? __switch_to_asm+0x40/0x70
[  389.160268]  ? __switch_to_asm+0x34/0x70
[  389.164341]  bpf_clone_redirect+0xb9/0x490
[  389.168588]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  389.173874]  ? __sched_text_start+0x8/0x8
[  389.178032]  ? lockdep_hardirqs_on+0x421/0x5c0
[  389.182618]  ? retint_kernel+0x2d/0x2d
[  389.186517]  ? trace_hardirqs_on_caller+0xc0/0x300
[  389.191459]  ? find_held_lock+0x36/0x1c0
[  389.195535]  ? lock_acquire+0x1ed/0x520
[  389.199523]  ? bpf_test_run+0x32e/0x5a0
[  389.203509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.209055]  ? check_preemption_disabled+0x48/0x200
[  389.214081]  ? kasan_check_read+0x11/0x20
[  389.218234]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  389.223524]  ? rcu_bh_qs+0xc0/0xc0
[  389.227077]  ? preempt_schedule+0x4d/0x60
[  389.231230]  ? ___preempt_schedule+0x16/0x18
[  389.235666]  ? bpf_test_run+0x1c0/0x5a0
[  389.239659]  ? netlink_diag_dump+0x2a0/0x2a0
[  389.244083]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.249626]  ? bpf_test_init.isra.9+0x70/0x100
[  389.254215]  ? bpf_prog_test_run_skb+0x634/0xb40
[  389.258987]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  389.263840]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  389.269389]  ? fput+0x130/0x1a0
[  389.272674]  ? __bpf_prog_get+0x9b/0x290
[  389.276744]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  389.281592]  ? bpf_prog_test_run+0x130/0x1a0
[  389.286006]  ? __x64_sys_bpf+0x3d8/0x510
[  389.290074]  ? bpf_prog_get+0x20/0x20
[  389.293885]  ? ksys_ioctl+0x81/0xd0
[  389.298023]  ? do_syscall_64+0x1b9/0x820
[  389.302263]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  389.307649]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.312583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.317430]  ? trace_hardirqs_off+0x300/0x300
[  389.321931]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  389.326968]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.332008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.336873]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  389.342282] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  389.342362] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.349130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.349136] Call Trace:
[  389.349159]  dump_stack+0x1c4/0x2b4
[  389.349172]  ? dump_stack_print_info.cold.2+0x52/0x52
[  389.349196]  warn_alloc.cold.118+0xb7/0x1bd
[  389.349215]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.355832] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.365061]  ? lock_downgrade+0x900/0x900
[  389.367621] syz-executor0 cpuset=
[  389.371279]  ? trace_hardirqs_off+0xb8/0x300
[  389.376437] syz0
[  389.380757]  ? trace_hardirqs_off+0xb8/0x300
[  389.385580]  mems_allowed=0
[  389.396068]  __alloc_pages_slowpath+0x2667/0x2d80
[  389.422163]  ? warn_alloc+0x120/0x120
[  389.425980]  ? warn_alloc+0x120/0x120
[  389.430308]  ? print_usage_bug+0xc0/0xc0
[  389.434375]  ? warn_alloc+0x120/0x120
[  389.438187]  ? print_usage_bug+0xc0/0xc0
[  389.442254]  ? __lock_acquire+0x7ec/0x4ec0
[  389.446503]  ? __lock_acquire+0x7ec/0x4ec0
[  389.450751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.456303]  ? should_fail+0x22d/0xd01
[  389.460197]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.465304]  ? __lock_acquire+0x7ec/0x4ec0
[  389.469550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.474676]  ? __lock_acquire+0x7ec/0x4ec0
[  389.478916]  ? should_fail+0x22d/0xd01
[  389.482807]  ? print_usage_bug+0xc0/0xc0
[  389.486898]  ? mark_held_locks+0x130/0x130
[  389.491145]  ? mark_held_locks+0x130/0x130
[  389.495398]  ? graph_lock+0x170/0x170
[  389.499205]  ? print_usage_bug+0xc0/0xc0
[  389.503273]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  389.508033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.513574]  ? check_preemption_disabled+0x48/0x200
[  389.518596]  ? check_preemption_disabled+0x48/0x200
[  389.523624]  ? __lock_is_held+0xb5/0x140
[  389.527698]  __alloc_pages_nodemask+0xa80/0xde0
[  389.532458]  ? graph_lock+0x170/0x170
[  389.536280]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  389.541306]  ? graph_lock+0x170/0x170
[  389.545119]  ? find_held_lock+0x36/0x1c0
[  389.549195]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.553867]  ? lock_downgrade+0x900/0x900
[  389.558026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.563574]  cache_grow_begin+0x91/0x8c0
[  389.567644]  ? do_raw_spin_unlock+0xa7/0x2f0
[  389.572065]  fallback_alloc+0x203/0x2e0
[  389.576048]  ____cache_alloc_node+0x1c7/0x1e0
[  389.580554]  kmem_cache_alloc_node+0xe3/0x730
[  389.585056]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.589307]  __alloc_skb+0x119/0x770
[  389.593023]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  389.598307]  ? skb_scrub_packet+0x490/0x490
[  389.602632]  ? lock_downgrade+0x900/0x900
[  389.606791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.612333]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.617818]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.623279]  ? addrconf_rs_timer+0x6f0/0x6f0
[  389.627705]  ndisc_alloc_skb+0x144/0x340
[  389.631774]  ndisc_send_rs+0x331/0x6e0
[  389.635669]  addrconf_rs_timer+0x3c0/0x6f0
[  389.639910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.644166]  call_timer_fn+0x272/0x920
[  389.648057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.652302]  ? process_timeout+0x40/0x40
[  389.656363]  ? find_held_lock+0x36/0x1c0
[  389.660436]  ? __run_timers+0x7da/0xc70
[  389.664418]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.668916]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.673417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.677653]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  389.682244]  ? trace_hardirqs_on+0xbd/0x310
[  389.686599]  ? kasan_check_read+0x11/0x20
[  389.690755]  ? __run_timers+0x7da/0xc70
[  389.694736]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.700197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.704446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.708684]  __run_timers+0x7e5/0xc70
[  389.712508]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  389.717871]  ? compat_start_thread+0x80/0x80
[  389.722290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.727837]  ? _raw_spin_unlock_irq+0x60/0x80
[  389.732352]  ? finish_task_switch+0x1f5/0x900
[  389.736853]  ? finish_task_switch+0x1b5/0x900
[  389.741354]  ? __switch_to_asm+0x34/0x70
[  389.745426]  ? preempt_notifier_register+0x200/0x200
[  389.750533]  ? __switch_to_asm+0x34/0x70
[  389.754592]  ? __switch_to_asm+0x40/0x70
[  389.758651]  ? __switch_to_asm+0x34/0x70
[  389.762710]  ? __switch_to_asm+0x40/0x70
[  389.766771]  ? __switch_to_asm+0x34/0x70
[  389.770833]  ? __switch_to_asm+0x40/0x70
[  389.774895]  ? __switch_to_asm+0x40/0x70
[  389.778965]  ? pvclock_read_flags+0x160/0x160
[  389.783462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.789013]  ? check_preemption_disabled+0x48/0x200
[  389.794041]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  389.799332]  ? rcu_pm_notify+0xc0/0xc0
[  389.803224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.808769]  ? check_preemption_disabled+0x48/0x200
[  389.813797]  run_timer_softirq+0x52/0xb0
[  389.817860]  ? rcu_read_lock_sched_held+0x108/0x120
[  389.822883]  __do_softirq+0x30b/0xad8
[  389.826698]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  389.831806]  ? trace_hardirqs_off_caller+0x300/0x300
[  389.836934]  ? schedule+0x108/0x460
[  389.840573]  ? __schedule+0x1ed0/0x1ed0
[  389.844553]  ? trace_hardirqs_off+0xb8/0x300
[  389.848964]  ? ___might_sleep+0x1ed/0x300
[  389.853111]  ? smpboot_thread_fn+0x68b/0xa00
[  389.857525]  ? trace_hardirqs_on+0x310/0x310
[  389.861945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.867488]  ? check_preemption_disabled+0x48/0x200
[  389.872521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.878094]  ? takeover_tasklets+0xa90/0xa90
[  389.882518]  run_ksoftirqd+0x94/0x100
[  389.886324]  smpboot_thread_fn+0x68b/0xa00
[  389.890566]  ? sort_range+0x30/0x30
[  389.894200]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  389.899355]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.904893]  ? __kthread_parkme+0xfb/0x1a0
[  389.909136]  kthread+0x35a/0x420
[  389.912512]  ? sort_range+0x30/0x30
[  389.916141]  ? kthread_bind+0x40/0x40
[  389.919947]  ret_from_fork+0x3a/0x50
[  389.923685] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  389.923690] warn_alloc_show_mem: 1 callbacks suppressed
[  389.923697] Mem-Info:
[  389.930968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.936338] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  389.936338]  active_file:28 inactive_file:21 isolated_file:0
[  389.936338]  unevictable:0 dirty:0 writeback:0 unstable:0
[  389.936338]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  389.936338]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  389.936338]  free:13666 free_pcp:197 free_cma:0
[  389.938709] Call Trace:
[  389.948099] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  389.981137]  <IRQ>
[  389.983712] Node 0 
[  390.011559]  dump_stack+0x1c4/0x2b4
[  390.013712] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  390.015922]  ? dump_stack_print_info.cold.2+0x52/0x52
[  390.019527] lowmem_reserve[]:
[  390.045044]  warn_alloc.cold.118+0xb7/0x1bd
[  390.050199]  0
[  390.053298]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.057593]  2817
[  390.059391]  ? lock_downgrade+0x900/0x900
[  390.064205]  6321
[  390.066274]  ? trace_hardirqs_off+0xb8/0x300
[  390.070393]  6321
[  390.072462]  ? trace_hardirqs_off+0xb8/0x300
[  390.076841] Node 0 
[  390.078901]  __alloc_pages_slowpath+0x2667/0x2d80
[  390.083306] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  390.085547]  ? warn_alloc+0x120/0x120
[  390.090344] lowmem_reserve[]:
[  390.117059]  ? trace_hardirqs_on+0x310/0x310
[  390.120834]  0
[  390.123953]  ? warn_alloc+0x120/0x120
[  390.128338]  0
[  390.130139]  ? print_usage_bug+0xc0/0xc0
[  390.133917]  3503
[  390.135717]  ? warn_alloc+0x120/0x120
[  390.139745]  3503
[  390.141818]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  390.145591] Node 0 
[  390.147650]  ? print_usage_bug+0xc0/0xc0
[  390.152668] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  390.154877]  ? __lock_acquire+0x7ec/0x4ec0
[  390.158905] lowmem_reserve[]: 0
[  390.187450]  ? __lock_acquire+0x7ec/0x4ec0
[  390.191662]  0
[  390.194936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.199149]  0
[  390.200952]  ? should_fail+0x22d/0xd01
[  390.206465]  0
[  390.208272]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.213935]  ? __lock_acquire+0x7ec/0x4ec0
[  390.219016] Node 0 DMA: 
[  390.223251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.223267]  ? __lock_acquire+0x7ec/0x4ec0
[  390.225925] 1*4kB 
[  390.231038]  ? should_fail+0x22d/0xd01
[  390.235251] (U) 
[  390.237400]  ? print_usage_bug+0xc0/0xc0
[  390.241266] 0*8kB 
[  390.243234]  ? mark_held_locks+0x130/0x130
[  390.247268] 0*16kB 
[  390.249407]  ? mark_held_locks+0x130/0x130
[  390.253617] 1*32kB 
[  390.255867]  ? graph_lock+0x170/0x170
[  390.260076] (U) 
[  390.262311]  ? print_usage_bug+0xc0/0xc0
[  390.266086] 2*64kB 
[  390.268060]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  390.272092] (U) 
[  390.274329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.279057] 1*128kB 
[  390.281032]  ? check_preemption_disabled+0x48/0x200
[  390.286538] (U) 
[  390.288856]  ? check_preemption_disabled+0x48/0x200
[  390.293846] 1*256kB 
[  390.295822]  ? __lock_is_held+0xb5/0x140
[  390.300807] (U) 
[  390.303129]  __alloc_pages_nodemask+0xa80/0xde0
[  390.307166] 0*512kB 
[  390.309142]  ? graph_lock+0x170/0x170
[  390.313797] 1*1024kB 
[  390.316119]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  390.319896] (U) 
[  390.322304]  ? graph_lock+0x170/0x170
[  390.327297] 1*2048kB 
[  390.329276]  ? find_held_lock+0x36/0x1c0
[  390.333048] (M) 
[  390.335461]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.339502] 3*4096kB 
[  390.341472]  ? lock_downgrade+0x900/0x900
[  390.346118] (M) 
[  390.348537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.352659] = 15908kB
[  390.354633]  cache_grow_begin+0x91/0x8c0
[  390.360142] Node 0 
[  390.362547]  ? do_raw_spin_unlock+0xa7/0x2f0
[  390.366581] DMA32: 
[  390.368834]  fallback_alloc+0x203/0x2e0
[  390.373219] 2*4kB 
[  390.375459]  ____cache_alloc_node+0x1c7/0x1e0
[  390.379406] (M) 
[  390.381553]  kmem_cache_alloc_node+0xe3/0x730
[  390.386021] 0*8kB 
[  390.387996]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.392466] 3*16kB 
[  390.394615]  __alloc_skb+0x119/0x770
[  390.398824] (M) 
[  390.401058]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  390.404748] 2*32kB 
[  390.406725]  ? skb_scrub_packet+0x490/0x490
[  390.411974] (UM) 
[  390.414223]  ? lock_downgrade+0x900/0x900
[  390.418525] 2*64kB 
[  390.420589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.424706] (M) 
[  390.426937]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.432443] 4*128kB (UM) 
[  390.434430]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.439852] 2*256kB (M) 
[  390.442626]  ? addrconf_rs_timer+0x6f0/0x6f0
[  390.448047] 4*512kB (UM) 
[  390.450732]  ndisc_alloc_skb+0x144/0x340
[  390.455107] 3*1024kB 
[  390.457863]  ndisc_send_rs+0x331/0x6e0
[  390.461894] (M) 
[  390.464306]  addrconf_rs_timer+0x3c0/0x6f0
[  390.468166] 3*2048kB 
[  390.470138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.474343] (UM) 
[  390.476768]  call_timer_fn+0x272/0x920
[  390.480958] 3*4096kB (M) 
[  390.483021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.486891] = 24824kB
[  390.489640]  ? process_timeout+0x40/0x40
[  390.493849] Node 0 
[  390.496258]  ? find_held_lock+0x36/0x1c0
[  390.500301] Normal: 
[  390.502549]  ? __run_timers+0x7da/0xc70
[  390.506581] 981*4kB 
[  390.508901]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.512848] (UMEH) 
[  390.515170]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.519643] 521*8kB 
[  390.521879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.526345] (MEH) 
[  390.528669]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  390.532876] 165*16kB 
[  390.535020]  ? trace_hardirqs_on+0xbd/0x310
[  390.539588] (UMEH) 
[  390.542017]  ? kasan_check_read+0x11/0x20
[  390.546312] 24*32kB 
[  390.548545]  ? __run_timers+0x7da/0xc70
[  390.552663] (MEH) 
[  390.554982]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  390.558927] 4*64kB (MH) 
[  390.561085]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.566512] 3*128kB 
[  390.569182]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.573390] (UH) 
[  390.575713]  __run_timers+0x7e5/0xc70
[  390.579915] 1*256kB (U) 
[  390.581994]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  390.585757] 1*512kB 
[  390.588429]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.593770] (U) 
[  390.596087]  ? graph_lock+0x170/0x170
[  390.601082] 1*1024kB 
[  390.603051]  ? enqueue_hrtimer+0x1a5/0x560
[  390.606829] (H) 
[  390.609236]  ? lock_release+0x970/0x970
[  390.613444] 0*2048kB 0*4096kB 
[  390.615425]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.619376] = 13932kB
[  390.622565]  ? find_held_lock+0x36/0x1c0
[  390.627741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  390.630143]  ? graph_lock+0x170/0x170
[  390.634186] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  390.643012]  ? pvclock_read_flags+0x160/0x160
[  390.646786] 4507 total pagecache pages
[  390.655432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.659910] 0 pages in swap cache
[  390.663793]  ? check_preemption_disabled+0x48/0x200
[  390.669306] Swap cache stats: add 0, delete 0, find 0/0
[  390.672761]  ? __lock_is_held+0xb5/0x140
[  390.677744] Free swap  = 0kB
[  390.683112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.687144] Total swap = 0kB
[  390.690160]  ? check_preemption_disabled+0x48/0x200
[  390.695666] 1965979 pages RAM
[  390.698682]  run_timer_softirq+0x52/0xb0
[  390.703665] 0 pages HighMem/MovableOnly
[  390.703674] 342744 pages reserved
[  390.706778]  ? rcu_read_lock_sched_held+0x108/0x120
[  390.710812] 0 pages cma reserved
[  390.714782]  __do_softirq+0x30b/0xad8
[  390.718292] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.723222]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  390.726652] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.730357]  ? pvclock_read_flags+0x160/0x160
[  390.736822] ksoftirqd/1 cpuset=
[  390.741921]  ? lapic_next_event+0x5a/0x90
[  390.752212] /
[  390.756704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.759957]  mems_allowed=0
[  390.764102]  ? check_preemption_disabled+0x48/0x200
[  390.779249]  ? check_preemption_disabled+0x48/0x200
[  390.784411]  ? kvm_clock_read+0x18/0x30
[  390.789001]  ? kvm_sched_clock_read+0x9/0x20
[  390.793416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.798983]  ? check_preemption_disabled+0x48/0x200
[  390.804012]  irq_exit+0x17f/0x1c0
[  390.807476]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.812328]  ? smp_reschedule_interrupt+0x109/0x650
[  390.817353]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.823247]  ? interrupt_entry+0xb5/0xf0
[  390.827316]  ? trace_hardirqs_off_caller+0xbb/0x300
[  390.832355]  ? trace_hardirqs_off_caller+0xbb/0x300
[  390.837381]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.842230]  ? trace_hardirqs_off+0x300/0x300
[  390.846731]  ? trace_hardirqs_off+0x300/0x300
[  390.851239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.857484]  ? check_preemption_disabled+0x48/0x200
[  390.862518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.868072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.872929]  apic_timer_interrupt+0xf/0x20
[  390.877167]  </IRQ>
[  390.879417] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  390.884353] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  390.903263] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  390.910981] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  390.918249] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  390.925521] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  390.932793] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  390.940080] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  390.947452]  skb_clone+0x1bb/0x500
[  390.951002]  ? skb_split+0x11e0/0x11e0
[  390.954898]  ? preempt_notifier_register+0x200/0x200
[  390.960004]  ? __switch_to_asm+0x34/0x70
[  390.964067]  ? __switch_to_asm+0x34/0x70
[  390.968131]  ? __switch_to_asm+0x40/0x70
[  390.972192]  ? __switch_to_asm+0x34/0x70
[  390.976253]  ? __switch_to_asm+0x40/0x70
[  390.980326]  ? __switch_to_asm+0x40/0x70
[  390.984393]  ? __switch_to_asm+0x34/0x70
[  390.988459]  ? __switch_to_asm+0x34/0x70
[  390.992528]  ? __switch_to_asm+0x40/0x70
[  390.996590]  ? __switch_to_asm+0x34/0x70
[  391.000666]  bpf_clone_redirect+0xb9/0x490
[  391.004914]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  391.009936]  ? __sched_text_start+0x8/0x8
[  391.014094]  ? lockdep_hardirqs_on+0x421/0x5c0
[  391.018677]  ? retint_kernel+0x2d/0x2d
[  391.022567]  ? trace_hardirqs_on_caller+0xc0/0x300
[  391.027509]  ? find_held_lock+0x36/0x1c0
[  391.031580]  ? lock_acquire+0x1ed/0x520
[  391.035561]  ? bpf_test_run+0x32e/0x5a0
[  391.039537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.045079]  ? check_preemption_disabled+0x48/0x200
[  391.050107]  ? kasan_check_read+0x11/0x20
[  391.054260]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  391.059540]  ? rcu_bh_qs+0xc0/0xc0
[  391.063082]  ? preempt_schedule+0x4d/0x60
[  391.067233]  ? ___preempt_schedule+0x16/0x18
[  391.071653]  ? bpf_test_run+0x1c0/0x5a0
[  391.075641]  ? netlink_diag_dump+0x2a0/0x2a0
[  391.080055]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.085594]  ? bpf_test_init.isra.9+0x70/0x100
[  391.090181]  ? bpf_prog_test_run_skb+0x634/0xb40
[  391.094965]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  391.099810]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  391.105349]  ? fput+0x130/0x1a0
[  391.108635]  ? __bpf_prog_get+0x9b/0x290
[  391.112700]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  391.117545]  ? bpf_prog_test_run+0x130/0x1a0
[  391.121958]  ? __x64_sys_bpf+0x3d8/0x510
[  391.126020]  ? bpf_prog_get+0x20/0x20
[  391.129830]  ? ksys_ioctl+0x81/0xd0
[  391.133468]  ? do_syscall_64+0x1b9/0x820
[  391.137542]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  391.142909]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.147840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.152686]  ? trace_hardirqs_off+0x300/0x300
[  391.157183]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  391.162205]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.167229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.172079]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  391.177462] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  391.177554] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.184311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.184320] Call Trace:
[  391.190899] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.200155]  dump_stack+0x1c4/0x2b4
[  391.202719] syz-executor0 cpuset=
[  391.213196]  ? dump_stack_print_info.cold.2+0x52/0x52
[  391.216800] syz0
[  391.220258]  warn_alloc.cold.118+0xb7/0x1bd
[  391.225420]  mems_allowed=0
[  391.227386]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.239445]  ? lock_downgrade+0x900/0x900
[  391.243603]  ? trace_hardirqs_off+0xb8/0x300
[  391.248020]  ? trace_hardirqs_off+0xb8/0x300
[  391.252439]  __alloc_pages_slowpath+0x2667/0x2d80
[  391.257319]  ? warn_alloc+0x120/0x120
[  391.261129]  ? warn_alloc+0x120/0x120
[  391.264940]  ? print_usage_bug+0xc0/0xc0
[  391.269004]  ? warn_alloc+0x120/0x120
[  391.272815]  ? print_usage_bug+0xc0/0xc0
[  391.276882]  ? __lock_acquire+0x7ec/0x4ec0
[  391.281117]  ? __lock_acquire+0x7ec/0x4ec0
[  391.285363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.290902]  ? should_fail+0x22d/0xd01
[  391.294798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.300184]  ? __lock_acquire+0x7ec/0x4ec0
[  391.304432]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.309535]  ? __lock_acquire+0x7ec/0x4ec0
[  391.313787]  ? should_fail+0x22d/0xd01
[  391.317685]  ? print_usage_bug+0xc0/0xc0
[  391.321757]  ? mark_held_locks+0x130/0x130
[  391.326000]  ? mark_held_locks+0x130/0x130
[  391.330249]  ? graph_lock+0x170/0x170
[  391.334059]  ? print_usage_bug+0xc0/0xc0
[  391.338122]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  391.342885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.348427]  ? check_preemption_disabled+0x48/0x200
[  391.353442]  ? check_preemption_disabled+0x48/0x200
[  391.358472]  ? __lock_is_held+0xb5/0x140
[  391.362556]  __alloc_pages_nodemask+0xa80/0xde0
[  391.367228]  ? graph_lock+0x170/0x170
[  391.371035]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  391.376052]  ? graph_lock+0x170/0x170
[  391.379869]  ? find_held_lock+0x36/0x1c0
[  391.383942]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.388618]  ? lock_downgrade+0x900/0x900
[  391.392778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.398323]  cache_grow_begin+0x91/0x8c0
[  391.402391]  ? do_raw_spin_unlock+0xa7/0x2f0
[  391.406814]  fallback_alloc+0x203/0x2e0
[  391.410800]  ____cache_alloc_node+0x1c7/0x1e0
[  391.415304]  kmem_cache_alloc_node+0xe3/0x730
[  391.419802]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.424050]  __alloc_skb+0x119/0x770
[  391.428295]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  391.433632]  ? skb_scrub_packet+0x490/0x490
[  391.437956]  ? lock_downgrade+0x900/0x900
[  391.442697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.448238]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.453699]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.459152]  ? addrconf_rs_timer+0x6f0/0x6f0
[  391.463580]  ndisc_alloc_skb+0x144/0x340
[  391.467650]  ndisc_send_rs+0x331/0x6e0
[  391.471546]  addrconf_rs_timer+0x3c0/0x6f0
[  391.475813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.480066]  call_timer_fn+0x272/0x920
[  391.483955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.488196]  ? process_timeout+0x40/0x40
[  391.492257]  ? find_held_lock+0x36/0x1c0
[  391.496338]  ? __run_timers+0x7da/0xc70
[  391.500319]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.504819]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.509317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.513559]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  391.518144]  ? trace_hardirqs_on+0xbd/0x310
[  391.522470]  ? kasan_check_read+0x11/0x20
[  391.526628]  ? __run_timers+0x7da/0xc70
[  391.530606]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.536075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.540317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.544552]  __run_timers+0x7e5/0xc70
[  391.548370]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  391.553735]  ? compat_start_thread+0x80/0x80
[  391.558150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.563697]  ? _raw_spin_unlock_irq+0x60/0x80
[  391.568288]  ? finish_task_switch+0x1f5/0x900
[  391.572783]  ? finish_task_switch+0x1b5/0x900
[  391.577286]  ? __switch_to_asm+0x34/0x70
[  391.581352]  ? preempt_notifier_register+0x200/0x200
[  391.586462]  ? __switch_to_asm+0x34/0x70
[  391.590546]  ? __switch_to_asm+0x40/0x70
[  391.594612]  ? __switch_to_asm+0x34/0x70
[  391.598673]  ? __switch_to_asm+0x40/0x70
[  391.602734]  ? __switch_to_asm+0x34/0x70
[  391.606795]  ? __switch_to_asm+0x40/0x70
[  391.610858]  ? __switch_to_asm+0x40/0x70
[  391.614930]  ? pvclock_read_flags+0x160/0x160
[  391.619432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.624973]  ? check_preemption_disabled+0x48/0x200
[  391.630009]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  391.635293]  ? rcu_pm_notify+0xc0/0xc0
[  391.639185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.644727]  ? check_preemption_disabled+0x48/0x200
[  391.649759]  run_timer_softirq+0x52/0xb0
[  391.653822]  ? rcu_read_lock_sched_held+0x108/0x120
[  391.658840]  __do_softirq+0x30b/0xad8
[  391.662658]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  391.667763]  ? trace_hardirqs_off_caller+0x300/0x300
[  391.672879]  ? schedule+0x108/0x460
[  391.676519]  ? __schedule+0x1ed0/0x1ed0
[  391.680515]  ? trace_hardirqs_off+0xb8/0x300
[  391.684929]  ? ___might_sleep+0x1ed/0x300
[  391.689098]  ? smpboot_thread_fn+0x68b/0xa00
[  391.693517]  ? trace_hardirqs_on+0x310/0x310
[  391.697931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.703474]  ? check_preemption_disabled+0x48/0x200
[  391.708508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.714053]  ? takeover_tasklets+0xa90/0xa90
[  391.718466]  run_ksoftirqd+0x94/0x100
[  391.722283]  smpboot_thread_fn+0x68b/0xa00
[  391.726529]  ? sort_range+0x30/0x30
[  391.730161]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.735274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.740817]  ? __kthread_parkme+0xfb/0x1a0
[  391.745061]  kthread+0x35a/0x420
[  391.748429]  ? sort_range+0x30/0x30
[  391.752103]  ? kthread_bind+0x40/0x40
[  391.755911]  ret_from_fork+0x3a/0x50
[  391.759652] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  391.759657] warn_alloc_show_mem: 1 callbacks suppressed
[  391.759664] Mem-Info:
[  391.766943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.772313] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  391.772313]  active_file:28 inactive_file:21 isolated_file:0
[  391.772313]  unevictable:0 dirty:0 writeback:0 unstable:0
[  391.772313]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  391.772313]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  391.772313]  free:13666 free_pcp:197 free_cma:0
[  391.774699] Call Trace:
[  391.784099] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  391.817134]  <IRQ>
[  391.819712] Node 0 
[  391.847569]  dump_stack+0x1c4/0x2b4
[  391.849719] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  391.851925]  ? dump_stack_print_info.cold.2+0x52/0x52
[  391.855531] lowmem_reserve[]:
[  391.881053]  warn_alloc.cold.118+0xb7/0x1bd
[  391.886208]  0
[  391.889324]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.893619]  2817 6321
[  391.895429]  ? lock_downgrade+0x900/0x900
[  391.900239]  6321
[  391.902753]  ? trace_hardirqs_off+0xb8/0x300
[  391.906872] Node 0 
[  391.908948]  ? trace_hardirqs_off+0xb8/0x300
[  391.913357] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  391.915572]  __alloc_pages_slowpath+0x2667/0x2d80
[  391.919952] lowmem_reserve[]:
[  391.946692]  ? warn_alloc+0x120/0x120
[  391.951476]  0 0
[  391.954594]  ? trace_hardirqs_on+0x310/0x310
[  391.958369]  3503
[  391.960357]  ? warn_alloc+0x120/0x120
[  391.964762]  3503
[  391.966825]  ? print_usage_bug+0xc0/0xc0
[  391.970602] Node 0 
[  391.972661]  ? warn_alloc+0x120/0x120
[  391.976728] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  391.978936]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  391.982709] lowmem_reserve[]:
[  392.011258]  ? print_usage_bug+0xc0/0xc0
[  392.016272]  0
[  392.019375]  ? __lock_acquire+0x7ec/0x4ec0
[  392.023415]  0
[  392.025223]  ? __lock_acquire+0x7ec/0x4ec0
[  392.029465]  0
[  392.031263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.035474]  0
[  392.037280]  ? should_fail+0x22d/0xd01
[  392.037299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.044611]  ? __lock_acquire+0x7ec/0x4ec0
[  392.048488] Node 0 
[  392.053612]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.057819] DMA: 
[  392.060103]  ? __lock_acquire+0x7ec/0x4ec0
[  392.065183] 1*4kB 
[  392.067239]  ? should_fail+0x22d/0xd01
[  392.071450] (U) 
[  392.073595]  ? print_usage_bug+0xc0/0xc0
[  392.077456] 0*8kB 
[  392.079430]  ? mark_held_locks+0x130/0x130
[  392.083463] 0*16kB 
[  392.085609]  ? mark_held_locks+0x130/0x130
[  392.089822] 1*32kB 
[  392.092060]  ? graph_lock+0x170/0x170
[  392.096270] (U) 
[  392.098508]  ? print_usage_bug+0xc0/0xc0
[  392.102290] 2*64kB 
[  392.104262]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  392.108299] (U) 
[  392.110535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.115270] 1*128kB 
[  392.117243]  ? check_preemption_disabled+0x48/0x200
[  392.122756] (U) 
[  392.125079]  ? check_preemption_disabled+0x48/0x200
[  392.130068] 1*256kB 
[  392.132042]  ? __lock_is_held+0xb5/0x140
[  392.137025] (U) 
[  392.139350]  __alloc_pages_nodemask+0xa80/0xde0
[  392.143385] 0*512kB 
[  392.145354]  ? graph_lock+0x170/0x170
[  392.150001] 1*1024kB 
[  392.152322]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  392.156095] (U) 
[  392.158510]  ? graph_lock+0x170/0x170
[  392.163513] 1*2048kB 
[  392.165501]  ? find_held_lock+0x36/0x1c0
[  392.169269] (M) 
[  392.171680]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.175714] 3*4096kB 
[  392.177684]  ? lock_downgrade+0x900/0x900
[  392.182332] (M) 
[  392.184741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.188860] = 15908kB
[  392.190830]  cache_grow_begin+0x91/0x8c0
[  392.196358] Node 0 
[  392.198777]  ? do_raw_spin_unlock+0xa7/0x2f0
[  392.202806] DMA32: 
[  392.205044]  fallback_alloc+0x203/0x2e0
[  392.209421] 2*4kB 
[  392.211656]  ____cache_alloc_node+0x1c7/0x1e0
[  392.215607] (M) 
[  392.217756]  kmem_cache_alloc_node+0xe3/0x730
[  392.222227] 0*8kB 
[  392.224199]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.228667] 3*16kB 
[  392.230815]  __alloc_skb+0x119/0x770
[  392.235016] (M) 
[  392.237253]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  392.240942] 2*32kB 
[  392.242910]  ? skb_scrub_packet+0x490/0x490
[  392.248164] (UM) 
[  392.250397]  ? lock_downgrade+0x900/0x900
[  392.254696] 2*64kB 
[  392.256759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.260875] (M) 
[  392.263108]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.268624] 4*128kB 
[  392.270596]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.276022] (UM) 
[  392.278344]  ? addrconf_rs_timer+0x6f0/0x6f0
[  392.283776] 2*256kB 
[  392.285842]  ndisc_alloc_skb+0x144/0x340
[  392.290217] (M) 
[  392.292539]  ndisc_send_rs+0x331/0x6e0
[  392.296572] 4*512kB 
[  392.298545]  addrconf_rs_timer+0x3c0/0x6f0
[  392.302405] (UM) 
[  392.304730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.308949] 3*1024kB 
[  392.311013]  call_timer_fn+0x272/0x920
[  392.315217] (M) 
[  392.317622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.321484] 3*2048kB 
[  392.323465]  ? process_timeout+0x40/0x40
[  392.327673] (UM) 
[  392.330079]  ? find_held_lock+0x36/0x1c0
[  392.334119] 3*4096kB 
[  392.336180]  ? __run_timers+0x7da/0xc70
[  392.340212] (M) 
[  392.342617]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.346569] = 24824kB
[  392.348539]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.353011] Node 0 
[  392.355418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.359888] Normal: 
[  392.362123]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  392.366335] 981*4kB 
[  392.368653]  ? trace_hardirqs_on+0xbd/0x310
[  392.373207] (UMEH) 
[  392.375533]  ? kasan_check_read+0x11/0x20
[  392.379822] 521*8kB (MEH) 
[  392.382066]  ? __run_timers+0x7da/0xc70
[  392.386182] 165*16kB (UMEH) 
[  392.389033]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  392.392975] 24*32kB (MEH) 
[  392.396003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.401426] 4*64kB 
[  392.404268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.408478] (MH) 
[  392.410718]  __run_timers+0x7e5/0xc70
[  392.414948] 3*128kB 
[  392.417019]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  392.420785] (UH) 
[  392.423106]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  392.428957] 1*256kB 
[  392.431047]  ? graph_lock+0x170/0x170
[  392.436039] (U) 
[  392.438358]  ? enqueue_hrtimer+0x1a5/0x560
[  392.442132] 1*512kB (U) 
[  392.444111]  ? lock_release+0x970/0x970
[  392.448317] 1*1024kB (H) 
[  392.450994]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  392.454948] 0*2048kB 
[  392.457704]  ? find_held_lock+0x36/0x1c0
[  392.462868] 0*4096kB 
[  392.465279]  ? graph_lock+0x170/0x170
[  392.469317] = 13932kB
[  392.471722]  ? pvclock_read_flags+0x160/0x160
[  392.475512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  392.477927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.482401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  392.491231]  ? check_preemption_disabled+0x48/0x200
[  392.496740] 4507 total pagecache pages
[  392.505319]  ? __lock_is_held+0xb5/0x140
[  392.510304] 0 pages in swap cache
[  392.514179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.518236] Swap cache stats: add 0, delete 0, find 0/0
[  392.521699]  ? check_preemption_disabled+0x48/0x200
[  392.527212] Free swap  = 0kB
[  392.532575]  run_timer_softirq+0x52/0xb0
[  392.537565] Total swap = 0kB
[  392.540580]  ? rcu_read_lock_sched_held+0x108/0x120
[  392.544618] 1965979 pages RAM
[  392.547634]  __do_softirq+0x30b/0xad8
[  392.552619] 0 pages HighMem/MovableOnly
[  392.552628] 342744 pages reserved
[  392.555735]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  392.559511] 0 pages cma reserved
[  392.563484]  ? pvclock_read_flags+0x160/0x160
[  392.566998] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.572009]  ? lapic_next_event+0x5a/0x90
[  392.575414] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.579846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.586315] ksoftirqd/1 cpuset=
[  392.590463]  ? check_preemption_disabled+0x48/0x200
[  392.600744] /
[  392.606278]  ? check_preemption_disabled+0x48/0x200
[  392.606299]  ? kvm_clock_read+0x18/0x30
[  392.609553]  mems_allowed=0
[  392.614648]  ? kvm_sched_clock_read+0x9/0x20
[  392.632615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.638161]  ? check_preemption_disabled+0x48/0x200
[  392.643196]  irq_exit+0x17f/0x1c0
[  392.646656]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.651507]  ? smp_reschedule_interrupt+0x109/0x650
[  392.656531]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.662418]  ? interrupt_entry+0xb5/0xf0
[  392.666499]  ? trace_hardirqs_off_caller+0xbb/0x300
[  392.671525]  ? trace_hardirqs_off_caller+0xbb/0x300
[  392.676552]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.681399]  ? trace_hardirqs_off+0x300/0x300
[  392.685894]  ? trace_hardirqs_off+0x300/0x300
[  392.690392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.695935]  ? check_preemption_disabled+0x48/0x200
[  392.700951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.706505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.711364]  apic_timer_interrupt+0xf/0x20
[  392.715593]  </IRQ>
[  392.717833] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  392.722771] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  392.741674] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  392.749383] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  392.756653] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  392.763919] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  392.771188] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  392.778456] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  392.785778]  skb_clone+0x1bb/0x500
[  392.789323]  ? skb_split+0x11e0/0x11e0
[  392.793216]  ? preempt_notifier_register+0x200/0x200
[  392.798319]  ? __switch_to_asm+0x34/0x70
[  392.802385]  ? __switch_to_asm+0x34/0x70
[  392.806446]  ? __switch_to_asm+0x40/0x70
[  392.810516]  ? __switch_to_asm+0x34/0x70
[  392.814583]  ? __switch_to_asm+0x40/0x70
[  392.818646]  ? __switch_to_asm+0x40/0x70
[  392.822706]  ? __switch_to_asm+0x34/0x70
[  392.826774]  ? __switch_to_asm+0x34/0x70
[  392.830834]  ? __switch_to_asm+0x40/0x70
[  392.834893]  ? __switch_to_asm+0x34/0x70
[  392.838968]  bpf_clone_redirect+0xb9/0x490
[  392.843219]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  392.848245]  ? __sched_text_start+0x8/0x8
[  392.852400]  ? lockdep_hardirqs_on+0x421/0x5c0
[  392.856981]  ? retint_kernel+0x2d/0x2d
[  392.860872]  ? trace_hardirqs_on_caller+0xc0/0x300
[  392.865815]  ? find_held_lock+0x36/0x1c0
[  392.869884]  ? lock_acquire+0x1ed/0x520
[  392.873859]  ? bpf_test_run+0x32e/0x5a0
[  392.877835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.883377]  ? check_preemption_disabled+0x48/0x200
[  392.888407]  ? kasan_check_read+0x11/0x20
[  392.892561]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  392.897847]  ? rcu_bh_qs+0xc0/0xc0
[  392.901392]  ? preempt_schedule+0x4d/0x60
[  392.905546]  ? ___preempt_schedule+0x16/0x18
[  392.909965]  ? bpf_test_run+0x1c0/0x5a0
[  392.913954]  ? netlink_diag_dump+0x2a0/0x2a0
[  392.918368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.923908]  ? bpf_test_init.isra.9+0x70/0x100
[  392.928508]  ? bpf_prog_test_run_skb+0x634/0xb40
[  392.933278]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  392.938183]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  392.943723]  ? fput+0x130/0x1a0
[  392.947006]  ? __bpf_prog_get+0x9b/0x290
[  392.951071]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  392.955913]  ? bpf_prog_test_run+0x130/0x1a0
[  392.960327]  ? __x64_sys_bpf+0x3d8/0x510
[  392.964390]  ? bpf_prog_get+0x20/0x20
[  392.968202]  ? ksys_ioctl+0x81/0xd0
[  392.971843]  ? do_syscall_64+0x1b9/0x820
[  392.975907]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  392.981278]  ? syscall_return_slowpath+0x5e0/0x5e0
[  392.986209]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.991083]  ? trace_hardirqs_off+0x300/0x300
[  392.995584]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  393.000607]  ? prepare_exit_to_usermode+0x291/0x3b0
[  393.005661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.010527]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  393.015913] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  393.015996] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.022769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.022778] Call Trace:
[  393.029416] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.038618]  dump_stack+0x1c4/0x2b4
[  393.041178] syz-executor0 cpuset=
[  393.051659]  ? dump_stack_print_info.cold.2+0x52/0x52
[  393.055264] syz0
[  393.058730]  warn_alloc.cold.118+0xb7/0x1bd
[  393.063888]  mems_allowed=0
[  393.065854]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.077910]  ? lock_downgrade+0x900/0x900
[  393.082094]  ? trace_hardirqs_off+0xb8/0x300
[  393.086525]  ? trace_hardirqs_off+0xb8/0x300
[  393.090946]  __alloc_pages_slowpath+0x2667/0x2d80
[  393.095824]  ? warn_alloc+0x120/0x120
[  393.099633]  ? warn_alloc+0x120/0x120
[  393.103455]  ? print_usage_bug+0xc0/0xc0
[  393.107528]  ? warn_alloc+0x120/0x120
[  393.111330]  ? print_usage_bug+0xc0/0xc0
[  393.115395]  ? __lock_acquire+0x7ec/0x4ec0
[  393.119717]  ? __lock_acquire+0x7ec/0x4ec0
[  393.123959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.129506]  ? should_fail+0x22d/0xd01
[  393.133403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.138516]  ? __lock_acquire+0x7ec/0x4ec0
[  393.142763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.147865]  ? __lock_acquire+0x7ec/0x4ec0
[  393.152105]  ? should_fail+0x22d/0xd01
[  393.156003]  ? mark_held_locks+0x130/0x130
[  393.160243]  ? mark_held_locks+0x130/0x130
[  393.164488]  ? graph_lock+0x170/0x170
[  393.168385]  ? graph_lock+0x170/0x170
[  393.172189]  ? graph_lock+0x170/0x170
[  393.176009]  ? print_usage_bug+0xc0/0xc0
[  393.180079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.185618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.191160]  ? check_preemption_disabled+0x48/0x200
[  393.196179]  ? check_preemption_disabled+0x48/0x200
[  393.201207]  ? __lock_is_held+0xb5/0x140
[  393.205284]  __alloc_pages_nodemask+0xa80/0xde0
[  393.209958]  ? graph_lock+0x170/0x170
[  393.213766]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  393.218806]  ? graph_lock+0x170/0x170
[  393.222621]  ? find_held_lock+0x36/0x1c0
[  393.226695]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.231369]  ? lock_downgrade+0x900/0x900
[  393.235533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.241078]  cache_grow_begin+0x91/0x8c0
[  393.245145]  ? do_raw_spin_unlock+0xa7/0x2f0
[  393.249573]  fallback_alloc+0x203/0x2e0
[  393.253556]  ____cache_alloc_node+0x1c7/0x1e0
[  393.258061]  kmem_cache_alloc_node+0xe3/0x730
[  393.262572]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.266821]  __alloc_skb+0x119/0x770
[  393.270539]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  393.275822]  ? skb_scrub_packet+0x490/0x490
[  393.280149]  ? lock_downgrade+0x900/0x900
[  393.284311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.289853]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.295581]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.301032]  ? addrconf_rs_timer+0x6f0/0x6f0
[  393.305457]  ndisc_alloc_skb+0x144/0x340
[  393.309536]  ndisc_send_rs+0x331/0x6e0
[  393.313436]  addrconf_rs_timer+0x3c0/0x6f0
[  393.317684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.321936]  call_timer_fn+0x272/0x920
[  393.325826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.330071]  ? process_timeout+0x40/0x40
[  393.334133]  ? find_held_lock+0x36/0x1c0
[  393.338206]  ? __run_timers+0x7da/0xc70
[  393.342189]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.346683]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.351177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.355412]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  393.360002]  ? trace_hardirqs_on+0xbd/0x310
[  393.364328]  ? kasan_check_read+0x11/0x20
[  393.368480]  ? __run_timers+0x7da/0xc70
[  393.372471]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  393.377941]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.382183]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.386422]  __run_timers+0x7e5/0xc70
[  393.390239]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  393.395607]  ? compat_start_thread+0x80/0x80
[  393.400020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.405564]  ? _raw_spin_unlock_irq+0x60/0x80
[  393.410083]  ? finish_task_switch+0x1f5/0x900
[  393.414617]  ? finish_task_switch+0x1b5/0x900
[  393.419117]  ? __switch_to_asm+0x34/0x70
[  393.423183]  ? preempt_notifier_register+0x200/0x200
[  393.428820]  ? __switch_to_asm+0x34/0x70
[  393.432881]  ? __switch_to_asm+0x40/0x70
[  393.436951]  ? __switch_to_asm+0x34/0x70
[  393.441013]  ? __switch_to_asm+0x40/0x70
[  393.445072]  ? __switch_to_asm+0x34/0x70
[  393.449132]  ? __switch_to_asm+0x40/0x70
[  393.453194]  ? __switch_to_asm+0x40/0x70
[  393.457269]  ? pvclock_read_flags+0x160/0x160
[  393.461770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.467314]  ? check_preemption_disabled+0x48/0x200
[  393.472345]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  393.477631]  ? rcu_pm_notify+0xc0/0xc0
[  393.481531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.487074]  ? check_preemption_disabled+0x48/0x200
[  393.492103]  run_timer_softirq+0x52/0xb0
[  393.496166]  ? rcu_read_lock_sched_held+0x108/0x120
[  393.501188]  __do_softirq+0x30b/0xad8
[  393.505003]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  393.510106]  ? trace_hardirqs_off_caller+0x300/0x300
[  393.515220]  ? schedule+0x108/0x460
[  393.518850]  ? __schedule+0x1ed0/0x1ed0
[  393.522832]  ? trace_hardirqs_off+0xb8/0x300
[  393.527244]  ? ___might_sleep+0x1ed/0x300
[  393.531396]  ? smpboot_thread_fn+0x68b/0xa00
[  393.535805]  ? trace_hardirqs_on+0x310/0x310
[  393.540218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.545760]  ? check_preemption_disabled+0x48/0x200
[  393.550776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.556325]  ? takeover_tasklets+0xa90/0xa90
[  393.560742]  run_ksoftirqd+0x94/0x100
[  393.564550]  smpboot_thread_fn+0x68b/0xa00
[  393.568820]  ? sort_range+0x30/0x30
[  393.572452]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.577558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.583120]  ? __kthread_parkme+0xfb/0x1a0
[  393.587364]  kthread+0x35a/0x420
[  393.590731]  ? sort_range+0x30/0x30
[  393.594365]  ? kthread_bind+0x40/0x40
[  393.598169]  ret_from_fork+0x3a/0x50
[  393.601900] warn_alloc_show_mem: 1 callbacks suppressed
[  393.601913] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  393.601914] Mem-Info:
[  393.601946] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  393.601946]  active_file:28 inactive_file:21 isolated_file:0
[  393.601946]  unevictable:0 dirty:0 writeback:0 unstable:0
[  393.601946]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  393.601946]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  393.601946]  free:13666 free_pcp:197 free_cma:0
[  393.607309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.614585] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  393.616985] Call Trace:
[  393.650031] Node 0 
[  393.659392]  <IRQ>
[  393.687251] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  393.689808]  dump_stack+0x1c4/0x2b4
[  393.692009] lowmem_reserve[]: 0
[  393.694167]  ? dump_stack_print_info.cold.2+0x52/0x52
[  393.719651]  2817
[  393.723307]  warn_alloc.cold.118+0xb7/0x1bd
[  393.726680]  6321
[  393.731883]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.733926]  6321
[  393.738245]  ? lock_downgrade+0x900/0x900
[  393.740291] Node 0 
[  393.745131]  ? trace_hardirqs_off+0xb8/0x300
[  393.747194] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  393.751312]  ? trace_hardirqs_off+0xb8/0x300
[  393.753525] lowmem_reserve[]:
[  393.757952]  __alloc_pages_slowpath+0x2667/0x2d80
[  393.784645]  0
[  393.789083]  ? warn_alloc+0x120/0x120
[  393.792134]  0
[  393.796972]  ? warn_alloc+0x120/0x120
[  393.798749]  3503
[  393.802553]  ? print_usage_bug+0xc0/0xc0
[  393.804325]  3503
[  393.808130]  ? warn_alloc+0x120/0x120
[  393.810169] Node 0 
[  393.814227]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.816296] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  393.820063]  ? print_usage_bug+0xc0/0xc0
[  393.822279] lowmem_reserve[]:
[  393.827294]  ? __lock_acquire+0x7ec/0x4ec0
[  393.855906]  0
[  393.859969]  ? __lock_acquire+0x7ec/0x4ec0
[  393.863045]  0
[  393.867277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.869058]  0
[  393.873289]  ? should_fail+0x22d/0xd01
[  393.875070]  0
[  393.880601]  ? __lock_acquire+0x7ec/0x4ec0
[  393.886263]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.888047] Node 0 
[  393.892274]  ? __lock_acquire+0x7ec/0x4ec0
[  393.897362] DMA: 
[  393.899598]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.903808] 1*4kB 
[  393.905865]  ? __lock_acquire+0x7ec/0x4ec0
[  393.910945] (U) 
[  393.913091]  ? should_fail+0x22d/0xd01
[  393.917321] 0*8kB 
[  393.919299]  ? mark_held_locks+0x130/0x130
[  393.923155] 0*16kB 
[  393.925301]  ? mark_held_locks+0x130/0x130
[  393.929520] 1*32kB 
[  393.931756]  ? try_to_wake_up+0x10a/0x12f0
[  393.935993] (U) 
[  393.938226]  ? graph_lock+0x170/0x170
[  393.942442] 2*64kB 
[  393.944409]  ? print_usage_bug+0xc0/0xc0
[  393.948203] (U) 
[  393.950441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.954475] 1*128kB 
[  393.956506]  ? check_preemption_disabled+0x48/0x200
[  393.962015] (U) 
[  393.964338]  ? check_preemption_disabled+0x48/0x200
[  393.969324] 1*256kB (U) 
[  393.971313]  ? __lock_is_held+0xb5/0x140
[  393.976296] 0*512kB 
[  393.979008]  __alloc_pages_nodemask+0xa80/0xde0
[  393.983041] 1*1024kB 
[  393.985357]  ? graph_lock+0x170/0x170
[  393.990006] (U) 
[  393.992412]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  393.996187] 1*2048kB 
[  393.998156]  ? graph_lock+0x170/0x170
[  394.003148] (M) 
[  394.005564]  ? find_held_lock+0x36/0x1c0
[  394.009334] 3*4096kB 
[  394.011406]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.015439] (M) 
[  394.017844]  ? lock_downgrade+0x900/0x900
[  394.022489] = 15908kB
[  394.024474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.028595] Node 0 
[  394.031008]  cache_grow_begin+0x91/0x8c0
[  394.036526] DMA32: 
[  394.038758]  ? do_raw_spin_unlock+0xa7/0x2f0
[  394.042794] 2*4kB 
[  394.045044]  fallback_alloc+0x203/0x2e0
[  394.049427] (M) 
[  394.051578]  ____cache_alloc_node+0x1c7/0x1e0
[  394.055528] 0*8kB 
[  394.057512]  kmem_cache_alloc_node+0xe3/0x730
[  394.061982] 3*16kB (M) 
[  394.064145]  ? ipv6_get_ifaddr+0x42e/0x620
[  394.068614] 2*32kB 
[  394.071196]  __alloc_skb+0x119/0x770
[  394.075400] (UM) 
[  394.077638]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  394.081328] 2*64kB 
[  394.083388]  ? skb_scrub_packet+0x490/0x490
[  394.088641] (M) 
[  394.090880]  ? lock_downgrade+0x900/0x900
[  394.095180] 4*128kB 
[  394.097154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.101280] (UM) 2*256kB 
[  394.103609]  ? refcount_sub_and_test_checked+0x203/0x310
[  394.109117] (M) 
[  394.111869]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  394.117298] 4*512kB 
[  394.119273]  ? addrconf_rs_timer+0x6f0/0x6f0
[  394.124696] (UM) 3*1024kB 
[  394.127031]  ndisc_alloc_skb+0x144/0x340
[  394.131405] (M) 
[  394.134245]  ndisc_send_rs+0x331/0x6e0
[  394.138281] 3*2048kB (UM) 
[  394.140265]  addrconf_rs_timer+0x3c0/0x6f0
[  394.144129] 3*4096kB (M) 
[  394.146977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.151185] = 24824kB
[  394.153948]  call_timer_fn+0x272/0x920
[  394.158147] Node 0 
[  394.160577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.164433] Normal: 
[  394.166664]  ? process_timeout+0x40/0x40
[  394.170873] 981*4kB 
[  394.173191]  ? find_held_lock+0x36/0x1c0
[  394.177224] (UMEH) 521*8kB 
[  394.179571]  ? __run_timers+0x7da/0xc70
[  394.183605] (MEH) 
[  394.186531]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.190472] 165*16kB (UMEH) 
[  394.192632]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.197105] 24*32kB 
[  394.200116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.204585] (MEH) 
[  394.206903]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  394.211117] 4*64kB 
[  394.213262]  ? trace_hardirqs_on+0xbd/0x310
[  394.217824] (MH) 
[  394.220059]  ? kasan_check_read+0x11/0x20
[  394.224354] 3*128kB 
[  394.226410]  ? __run_timers+0x7da/0xc70
[  394.230531] (UH) 
[  394.232851]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.236798] 1*256kB (U) 
[  394.238870]  ? work_on_cpu_safe+0x90/0x90
[  394.244297] 1*512kB 
[  394.246970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.251087] (U) 
[  394.253408]  __run_timers+0x7e5/0xc70
[  394.257621] 1*1024kB 
[  394.259611]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  394.263379] (H) 
[  394.265791]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  394.271122] 0*2048kB 0*4096kB 
[  394.273103]  ? graph_lock+0x170/0x170
[  394.278092] = 13932kB
[  394.281282]  ? enqueue_hrtimer+0x1a5/0x560
[  394.285064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  394.287460]  ? lock_release+0x970/0x970
[  394.291692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  394.300522]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.304489] 4507 total pagecache pages
[  394.313081]  ? find_held_lock+0x36/0x1c0
[  394.318253] 0 pages in swap cache
[  394.322126]  ? graph_lock+0x170/0x170
[  394.326164] Swap cache stats: add 0, delete 0, find 0/0
[  394.329610]  ? pvclock_read_flags+0x160/0x160
[  394.333388] Free swap  = 0kB
[  394.338795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.343271] Total swap = 0kB
[  394.346287]  ? check_preemption_disabled+0x48/0x200
[  394.351801] 1965979 pages RAM
[  394.354821]  ? __lock_is_held+0xb5/0x140
[  394.359800] 0 pages HighMem/MovableOnly
[  394.359808] 342744 pages reserved
[  394.362910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.366953] 0 pages cma reserved
[  394.370924]  ? check_preemption_disabled+0x48/0x200
[  394.374451] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.379888]  run_timer_softirq+0x52/0xb0
[  394.379905]  ? rcu_read_lock_sched_held+0x108/0x120
[  394.379924]  __do_softirq+0x30b/0xad8
[  394.383339] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.388379]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  394.394843] ksoftirqd/1 cpuset=
[  394.398905]  ? pvclock_read_flags+0x160/0x160
[  394.403911] /
[  394.407714]  ? lapic_next_event+0x5a/0x90
[  394.418008]  mems_allowed=0
[  394.423115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.445144]  ? check_preemption_disabled+0x48/0x200
[  394.450163]  ? check_preemption_disabled+0x48/0x200
[  394.455192]  ? kvm_clock_read+0x18/0x30
[  394.459169]  ? kvm_sched_clock_read+0x9/0x20
[  394.463584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.469125]  ? check_preemption_disabled+0x48/0x200
[  394.474155]  irq_exit+0x17f/0x1c0
[  394.477616]  smp_apic_timer_interrupt+0x1cb/0x760
[  394.482459]  ? smp_reschedule_interrupt+0x109/0x650
[  394.487485]  ? smp_call_function_single_interrupt+0x650/0x650
[  394.493382]  ? interrupt_entry+0xb5/0xf0
[  394.497536]  ? trace_hardirqs_off_caller+0xbb/0x300
[  394.502555]  ? trace_hardirqs_off_caller+0xbb/0x300
[  394.507575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.512420]  ? trace_hardirqs_off+0x300/0x300
[  394.516917]  ? trace_hardirqs_off+0x300/0x300
[  394.521416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.526958]  ? check_preemption_disabled+0x48/0x200
[  394.531975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.537564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.542425]  apic_timer_interrupt+0xf/0x20
[  394.546675]  </IRQ>
[  394.548918] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  394.553851] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  394.572795] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  394.580521] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  394.587794] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  394.595061] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  394.602328] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  394.609598] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  394.616917]  skb_clone+0x1bb/0x500
[  394.620461]  ? skb_split+0x11e0/0x11e0
[  394.624362]  ? preempt_notifier_register+0x200/0x200
[  394.629466]  ? __switch_to_asm+0x34/0x70
[  394.633535]  ? __switch_to_asm+0x34/0x70
[  394.637602]  ? __switch_to_asm+0x40/0x70
[  394.641663]  ? __switch_to_asm+0x34/0x70
[  394.645728]  ? __switch_to_asm+0x40/0x70
[  394.649799]  ? __switch_to_asm+0x40/0x70
[  394.653864]  ? __switch_to_asm+0x34/0x70
[  394.657927]  ? __switch_to_asm+0x34/0x70
[  394.661991]  ? __switch_to_asm+0x40/0x70
[  394.666050]  ? __switch_to_asm+0x34/0x70
[  394.670126]  bpf_clone_redirect+0xb9/0x490
[  394.674372]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  394.679393]  ? __sched_text_start+0x8/0x8
[  394.683547]  ? lockdep_hardirqs_on+0x421/0x5c0
[  394.688128]  ? retint_kernel+0x2d/0x2d
[  394.692018]  ? trace_hardirqs_on_caller+0xc0/0x300
[  394.696955]  ? find_held_lock+0x36/0x1c0
[  394.701027]  ? lock_acquire+0x1ed/0x520
[  394.705002]  ? bpf_test_run+0x32e/0x5a0
[  394.708983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.714530]  ? check_preemption_disabled+0x48/0x200
[  394.719555]  ? kasan_check_read+0x11/0x20
[  394.723710]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  394.728995]  ? rcu_bh_qs+0xc0/0xc0
[  394.732542]  ? preempt_schedule+0x4d/0x60
[  394.736692]  ? ___preempt_schedule+0x16/0x18
[  394.741114]  ? bpf_test_run+0x1c0/0x5a0
[  394.745104]  ? netlink_diag_dump+0x2a0/0x2a0
[  394.749521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.755058]  ? bpf_test_init.isra.9+0x70/0x100
[  394.759654]  ? bpf_prog_test_run_skb+0x634/0xb40
[  394.764419]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  394.769264]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  394.774811]  ? fput+0x130/0x1a0
[  394.778096]  ? __bpf_prog_get+0x9b/0x290
[  394.782160]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  394.787004]  ? bpf_prog_test_run+0x130/0x1a0
[  394.791417]  ? __x64_sys_bpf+0x3d8/0x510
[  394.795479]  ? bpf_prog_get+0x20/0x20
[  394.799297]  ? ksys_ioctl+0x81/0xd0
[  394.802936]  ? do_syscall_64+0x1b9/0x820
[  394.807003]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  394.812374]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.817309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.822153]  ? trace_hardirqs_off+0x300/0x300
[  394.826652]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  394.831677]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.836718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.841573]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  394.846957] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  394.847041] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.853799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.853807] Call Trace:
[  394.860399] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.869656]  dump_stack+0x1c4/0x2b4
[  394.872228] syz-executor0 cpuset=
[  394.882719]  ? dump_stack_print_info.cold.2+0x52/0x52
[  394.886320] syz0
[  394.889775]  warn_alloc.cold.118+0xb7/0x1bd
[  394.894946]  mems_allowed=0
[  394.896925]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.908985]  ? lock_downgrade+0x900/0x900
[  394.913145]  ? trace_hardirqs_off+0xb8/0x300
[  394.917561]  ? trace_hardirqs_off+0xb8/0x300
[  394.921985]  __alloc_pages_slowpath+0x2667/0x2d80
[  394.926860]  ? warn_alloc+0x120/0x120
[  394.930673]  ? warn_alloc+0x120/0x120
[  394.934479]  ? print_usage_bug+0xc0/0xc0
[  394.938550]  ? warn_alloc+0x120/0x120
[  394.942353]  ? print_usage_bug+0xc0/0xc0
[  394.946419]  ? __lock_acquire+0x7ec/0x4ec0
[  394.950655]  ? __lock_acquire+0x7ec/0x4ec0
[  394.954896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.960438]  ? should_fail+0x22d/0xd01
[  394.964332]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.969437]  ? __lock_acquire+0x7ec/0x4ec0
[  394.973681]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.979327]  ? __lock_acquire+0x7ec/0x4ec0
[  394.983575]  ? should_fail+0x22d/0xd01
[  394.987474]  ? mark_held_locks+0x130/0x130
[  394.991726]  ? mark_held_locks+0x130/0x130
[  394.995962]  ? graph_lock+0x170/0x170
[  394.999765]  ? graph_lock+0x170/0x170
[  395.003575]  ? graph_lock+0x170/0x170
[  395.007376]  ? print_usage_bug+0xc0/0xc0
[  395.011436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.016977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.022525]  ? check_preemption_disabled+0x48/0x200
[  395.027541]  ? check_preemption_disabled+0x48/0x200
[  395.032572]  ? __lock_is_held+0xb5/0x140
[  395.036647]  __alloc_pages_nodemask+0xa80/0xde0
[  395.041317]  ? graph_lock+0x170/0x170
[  395.045125]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  395.050139]  ? graph_lock+0x170/0x170
[  395.053972]  ? find_held_lock+0x36/0x1c0
[  395.058048]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.062721]  ? lock_downgrade+0x900/0x900
[  395.066879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.072426]  cache_grow_begin+0x91/0x8c0
[  395.076489]  ? do_raw_spin_unlock+0xa7/0x2f0
[  395.080917]  fallback_alloc+0x203/0x2e0
[  395.084898]  ____cache_alloc_node+0x1c7/0x1e0
[  395.089407]  kmem_cache_alloc_node+0xe3/0x730
[  395.093908]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.098154]  __alloc_skb+0x119/0x770
[  395.101872]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  395.107159]  ? skb_scrub_packet+0x490/0x490
[  395.111483]  ? lock_downgrade+0x900/0x900
[  395.115650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.121191]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.126648]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.132104]  ? addrconf_rs_timer+0x6f0/0x6f0
[  395.136535]  ndisc_alloc_skb+0x144/0x340
[  395.140625]  ndisc_send_rs+0x331/0x6e0
[  395.144539]  addrconf_rs_timer+0x3c0/0x6f0
[  395.148802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.153054]  call_timer_fn+0x272/0x920
[  395.156944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.161185]  ? process_timeout+0x40/0x40
[  395.165247]  ? find_held_lock+0x36/0x1c0
[  395.169326]  ? __run_timers+0x7da/0xc70
[  395.173305]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.177804]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.182301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.186540]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  395.191126]  ? trace_hardirqs_on+0xbd/0x310
[  395.195466]  ? kasan_check_read+0x11/0x20
[  395.199624]  ? __run_timers+0x7da/0xc70
[  395.203609]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  395.209065]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.213312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.217553]  __run_timers+0x7e5/0xc70
[  395.221373]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  395.226745]  ? compat_start_thread+0x80/0x80
[  395.231161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.236723]  ? _raw_spin_unlock_irq+0x60/0x80
[  395.241223]  ? finish_task_switch+0x1f5/0x900
[  395.245719]  ? finish_task_switch+0x1b5/0x900
[  395.250215]  ? __switch_to_asm+0x34/0x70
[  395.254284]  ? preempt_notifier_register+0x200/0x200
[  395.259389]  ? __switch_to_asm+0x34/0x70
[  395.263449]  ? __switch_to_asm+0x40/0x70
[  395.267517]  ? __switch_to_asm+0x34/0x70
[  395.271582]  ? __switch_to_asm+0x40/0x70
[  395.275642]  ? __switch_to_asm+0x34/0x70
[  395.279705]  ? __switch_to_asm+0x40/0x70
[  395.283769]  ? __switch_to_asm+0x40/0x70
[  395.287859]  ? pvclock_read_flags+0x160/0x160
[  395.292360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.298197]  ? check_preemption_disabled+0x48/0x200
[  395.303227]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  395.308516]  ? rcu_pm_notify+0xc0/0xc0
[  395.312411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.317965]  ? check_preemption_disabled+0x48/0x200
[  395.322992]  run_timer_softirq+0x52/0xb0
[  395.327055]  ? rcu_read_lock_sched_held+0x108/0x120
[  395.332075]  __do_softirq+0x30b/0xad8
[  395.335894]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  395.341001]  ? trace_hardirqs_off_caller+0x300/0x300
[  395.346115]  ? schedule+0x108/0x460
[  395.349748]  ? __schedule+0x1ed0/0x1ed0
[  395.353744]  ? trace_hardirqs_off+0xb8/0x300
[  395.358155]  ? ___might_sleep+0x1ed/0x300
[  395.362302]  ? smpboot_thread_fn+0x68b/0xa00
[  395.366711]  ? trace_hardirqs_on+0x310/0x310
[  395.371122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.376668]  ? check_preemption_disabled+0x48/0x200
[  395.381687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.387229]  ? takeover_tasklets+0xa90/0xa90
[  395.391648]  run_ksoftirqd+0x94/0x100
[  395.395452]  smpboot_thread_fn+0x68b/0xa00
[  395.399691]  ? sort_range+0x30/0x30
[  395.403324]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  395.408429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.413968]  ? __kthread_parkme+0xfb/0x1a0
[  395.418210]  kthread+0x35a/0x420
[  395.421582]  ? sort_range+0x30/0x30
[  395.425213]  ? kthread_bind+0x40/0x40
[  395.429520]  ret_from_fork+0x3a/0x50
[  395.433286] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  395.433292] warn_alloc_show_mem: 1 callbacks suppressed
[  395.433299] Mem-Info:
[  395.440571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.446510] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  395.446510]  active_file:28 inactive_file:21 isolated_file:0
[  395.446510]  unevictable:0 dirty:0 writeback:0 unstable:0
[  395.446510]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  395.446510]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  395.446510]  free:13666 free_pcp:197 free_cma:0
[  395.448893] Call Trace:
[  395.458289] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  395.491332]  <IRQ>
[  395.493908] Node 0 
[  395.521788]  dump_stack+0x1c4/0x2b4
[  395.523932] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.526147]  ? dump_stack_print_info.cold.2+0x52/0x52
[  395.529745] lowmem_reserve[]: 0
[  395.555271]  warn_alloc.cold.118+0xb7/0x1bd
[  395.560438]  2817
[  395.563713]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.568030]  6321
[  395.570093]  ? lock_downgrade+0x900/0x900
[  395.574911]  6321
[  395.576975]  ? trace_hardirqs_off+0xb8/0x300
[  395.583159]  ? trace_hardirqs_off+0xb8/0x300
[  395.587540] Node 0 DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  395.591975]  __alloc_pages_slowpath+0x2667/0x2d80
[  395.592019]  ? warn_alloc+0x120/0x120
[  395.619312] lowmem_reserve[]:
[  395.624165]  ? trace_hardirqs_on+0x310/0x310
[  395.627976]  0
[  395.631077]  ? warn_alloc+0x120/0x120
[  395.635451]  0 3503
[  395.637259]  ? print_usage_bug+0xc0/0xc0
[  395.641039]  3503
[  395.643272]  ? warn_alloc+0x120/0x120
[  395.649382]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  395.653169] Node 0 
[  395.658194]  ? print_usage_bug+0xc0/0xc0
[  395.658227] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  395.658234] lowmem_reserve[]:
[  395.660467]  ? __lock_acquire+0x7ec/0x4ec0
[  395.664513]  0
[  395.693050]  ? __lock_acquire+0x7ec/0x4ec0
[  395.696126]  0 0
[  395.700364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.702144]  0
[  395.706375]  ? should_fail+0x22d/0xd01
[  395.713855]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.715646] Node 0 
[  395.719539]  ? __lock_acquire+0x7ec/0x4ec0
[  395.724616] DMA: 
[  395.726851]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.731058] 1*4kB 
[  395.733115]  ? __lock_acquire+0x7ec/0x4ec0
[  395.738195] (U) 
[  395.740343]  ? should_fail+0x22d/0xd01
[  395.744550] 0*8kB 0*16kB 
[  395.746530]  ? print_usage_bug+0xc0/0xc0
[  395.750395] 1*32kB 
[  395.753153]  ? mark_held_locks+0x130/0x130
[  395.757188] (U) 
[  395.759422]  ? mark_held_locks+0x130/0x130
[  395.763630] 2*64kB 
[  395.765605]  ? graph_lock+0x170/0x170
[  395.769811] (U) 
[  395.772041]  ? print_usage_bug+0xc0/0xc0
[  395.775817] 1*128kB 
[  395.777796]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  395.781830] (U) 
[  395.784149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.788871] 1*256kB (U) 
[  395.790851]  ? check_preemption_disabled+0x48/0x200
[  395.796363] 0*512kB 
[  395.799029]  ? check_preemption_disabled+0x48/0x200
[  395.804023] 1*1024kB 
[  395.806348]  ? __lock_is_held+0xb5/0x140
[  395.811330] (U) 
[  395.813740]  __alloc_pages_nodemask+0xa80/0xde0
[  395.817771] 1*2048kB (M) 
[  395.819749]  ? graph_lock+0x170/0x170
[  395.824389] 3*4096kB (M) 
[  395.827148]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  395.830916] = 15908kB
[  395.830924] Node 0 
[  395.833675]  ? graph_lock+0x170/0x170
[  395.838664] DMA32: 2*4kB 
[  395.841083]  ? find_held_lock+0x36/0x1c0
[  395.843291] (M) 
[  395.847094]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.849826] 0*8kB 
[  395.853880]  ? lock_downgrade+0x900/0x900
[  395.855833] 3*16kB 
[  395.860507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.862642] (M) 
[  395.866805]  cache_grow_begin+0x91/0x8c0
[  395.869011] 2*32kB (UM) 
[  395.874553]  ? do_raw_spin_unlock+0xa7/0x2f0
[  395.876511] 2*64kB 
[  395.880572]  fallback_alloc+0x203/0x2e0
[  395.883211] (M) 4*128kB 
[  395.887628]  ____cache_alloc_node+0x1c7/0x1e0
[  395.889839] (UM) 
[  395.893812]  kmem_cache_alloc_node+0xe3/0x730
[  395.896451] 2*256kB (M) 
[  395.900949]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.902989] 4*512kB 
[  395.907509]  __alloc_skb+0x119/0x770
[  395.910153] (UM) 
[  395.914386]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  395.916686] 3*1024kB 
[  395.920392]  ? skb_scrub_packet+0x490/0x490
[  395.922432] (M) 
[  395.927702]  ? lock_downgrade+0x900/0x900
[  395.930088] 3*2048kB 
[  395.934405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.936353] (UM) 
[  395.940505]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.942888] 3*4096kB (M) 
[  395.948427]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.950467] = 24824kB
[  395.955911]  ? addrconf_rs_timer+0x6f0/0x6f0
[  395.958643] Node 0 
[  395.964101]  ndisc_alloc_skb+0x144/0x340
[  395.966479] Normal: 
[  395.970891]  ndisc_send_rs+0x331/0x6e0
[  395.973101] 981*4kB 
[  395.977162]  addrconf_rs_timer+0x3c0/0x6f0
[  395.979457] (UMEH) 
[  395.983342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.985633] 521*8kB (MEH) 
[  395.989885]  call_timer_fn+0x272/0x920
[  395.992083] 165*16kB (UMEH) 
[  395.996323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.999142] 24*32kB 
[  396.003026]  ? process_timeout+0x40/0x40
[  396.006015] (MEH) 
[  396.010243]  ? find_held_lock+0x36/0x1c0
[  396.012548] 4*64kB (MH) 
[  396.016618]  ? __run_timers+0x7da/0xc70
[  396.018730] 3*128kB (UH) 
[  396.022800]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.025448] 1*256kB 
[  396.029416]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.032150] (U) 
[  396.036644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.038940] 1*512kB 
[  396.043452]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  396.045405] (U) 
[  396.049637]  ? trace_hardirqs_on+0xbd/0x310
[  396.051940] 1*1024kB 
[  396.056521]  ? kasan_check_read+0x11/0x20
[  396.058475] (H) 
[  396.062806]  ? __run_timers+0x7da/0xc70
[  396.065193] 0*2048kB 
[  396.069337]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.071291] 0*4096kB 
[  396.075262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.077646] = 13932kB
[  396.077660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  396.083099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.085488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  396.089721]  __run_timers+0x7e5/0xc70
[  396.092105] 4507 total pagecache pages
[  396.100953]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  396.105179] 0 pages in swap cache
[  396.113775]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.117545] Swap cache stats: add 0, delete 0, find 0/0
[  396.121424]  ? graph_lock+0x170/0x170
[  396.126759] Free swap  = 0kB
[  396.126773] Total swap = 0kB
[  396.130225]  ? enqueue_hrtimer+0x1a5/0x560
[  396.135215] 1965979 pages RAM
[  396.140569]  ? lock_release+0x970/0x970
[  396.144346] 0 pages HighMem/MovableOnly
[  396.147355]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.150344] 342744 pages reserved
[  396.150352] 0 pages cma reserved
[  396.154602]  ? find_held_lock+0x36/0x1c0
[  396.157768] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  396.161645]  ? graph_lock+0x170/0x170
[  396.165658] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.170786]  ? pvclock_read_flags+0x160/0x160
[  396.174223] ksoftirqd/1 cpuset=
[  396.177590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.181625] /
[  396.188117]  ? check_preemption_disabled+0x48/0x200
[  396.191891]  mems_allowed=0
[  396.202199]  ? __lock_is_held+0xb5/0x140
[  396.229162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.234706]  ? check_preemption_disabled+0x48/0x200
[  396.239734]  run_timer_softirq+0x52/0xb0
[  396.243804]  ? rcu_read_lock_sched_held+0x108/0x120
[  396.248826]  __do_softirq+0x30b/0xad8
[  396.252640]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  396.257756]  ? pvclock_read_flags+0x160/0x160
[  396.262260]  ? lapic_next_event+0x5a/0x90
[  396.266416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.271958]  ? check_preemption_disabled+0x48/0x200
[  396.276975]  ? check_preemption_disabled+0x48/0x200
[  396.282001]  ? kvm_clock_read+0x18/0x30
[  396.285977]  ? kvm_sched_clock_read+0x9/0x20
[  396.290394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.295934]  ? check_preemption_disabled+0x48/0x200
[  396.300969]  irq_exit+0x17f/0x1c0
[  396.304433]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.309279]  ? smp_reschedule_interrupt+0x109/0x650
[  396.314317]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.320212]  ? interrupt_entry+0xb5/0xf0
[  396.324278]  ? trace_hardirqs_off_caller+0xbb/0x300
[  396.329297]  ? trace_hardirqs_off_caller+0xbb/0x300
[  396.334317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.339160]  ? trace_hardirqs_off+0x300/0x300
[  396.343654]  ? trace_hardirqs_off+0x300/0x300
[  396.348154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.353699]  ? check_preemption_disabled+0x48/0x200
[  396.358717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.364266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.369125]  apic_timer_interrupt+0xf/0x20
[  396.373355]  </IRQ>
[  396.375600] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  396.380538] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  396.399440] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  396.407156] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  396.414426] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  396.421697] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  396.428967] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  396.436239] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  396.443562]  skb_clone+0x1bb/0x500
[  396.447106]  ? skb_split+0x11e0/0x11e0
[  396.451002]  ? preempt_notifier_register+0x200/0x200
[  396.456107]  ? __switch_to_asm+0x34/0x70
[  396.460174]  ? __switch_to_asm+0x34/0x70
[  396.464250]  ? __switch_to_asm+0x40/0x70
[  396.468315]  ? __switch_to_asm+0x34/0x70
[  396.472377]  ? __switch_to_asm+0x40/0x70
[  396.476441]  ? __switch_to_asm+0x40/0x70
[  396.480515]  ? __switch_to_asm+0x34/0x70
[  396.484583]  ? __switch_to_asm+0x34/0x70
[  396.488643]  ? __switch_to_asm+0x40/0x70
[  396.492707]  ? __switch_to_asm+0x34/0x70
[  396.496784]  bpf_clone_redirect+0xb9/0x490
[  396.501050]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  396.506072]  ? __sched_text_start+0x8/0x8
[  396.510226]  ? lockdep_hardirqs_on+0x421/0x5c0
[  396.514811]  ? retint_kernel+0x2d/0x2d
[  396.518699]  ? trace_hardirqs_on_caller+0xc0/0x300
[  396.523642]  ? find_held_lock+0x36/0x1c0
[  396.527808]  ? lock_acquire+0x1ed/0x520
[  396.531791]  ? bpf_test_run+0x32e/0x5a0
[  396.535779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.541322]  ? check_preemption_disabled+0x48/0x200
[  396.546352]  ? kasan_check_read+0x11/0x20
[  396.550518]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  396.555804]  ? rcu_bh_qs+0xc0/0xc0
[  396.559351]  ? preempt_schedule+0x4d/0x60
[  396.563513]  ? ___preempt_schedule+0x16/0x18
[  396.567935]  ? bpf_test_run+0x1c0/0x5a0
[  396.571925]  ? netlink_diag_dump+0x2a0/0x2a0
[  396.576364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.581918]  ? bpf_test_init.isra.9+0x70/0x100
[  396.586517]  ? bpf_prog_test_run_skb+0x634/0xb40
[  396.591287]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  396.596139]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.601677]  ? fput+0x130/0x1a0
[  396.604961]  ? __bpf_prog_get+0x9b/0x290
[  396.609046]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  396.613889]  ? bpf_prog_test_run+0x130/0x1a0
[  396.618303]  ? __x64_sys_bpf+0x3d8/0x510
[  396.622367]  ? bpf_prog_get+0x20/0x20
[  396.626177]  ? ksys_ioctl+0x81/0xd0
[  396.629818]  ? do_syscall_64+0x1b9/0x820
[  396.633882]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  396.639250]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.644185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.649031]  ? trace_hardirqs_off+0x300/0x300
[  396.653531]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  396.658558]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.663590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.668447]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  396.673832] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  396.673925] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  396.680670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.680675] Call Trace:
[  396.680694]  dump_stack+0x1c4/0x2b4
[  396.680715]  ? dump_stack_print_info.cold.2+0x52/0x52
[  396.687289] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.696555]  warn_alloc.cold.118+0xb7/0x1bd
[  396.699112] syz-executor0 cpuset=
[  396.702735]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.707899] syz0
[  396.718380]  ? lock_downgrade+0x900/0x900
[  396.722678]  mems_allowed=0
[  396.726124]  ? trace_hardirqs_off+0xb8/0x300
[  396.744373]  ? trace_hardirqs_off+0xb8/0x300
[  396.748791]  __alloc_pages_slowpath+0x2667/0x2d80
[  396.753673]  ? warn_alloc+0x120/0x120
[  396.757481]  ? warn_alloc+0x120/0x120
[  396.761303]  ? print_usage_bug+0xc0/0xc0
[  396.765372]  ? warn_alloc+0x120/0x120
[  396.769175]  ? print_usage_bug+0xc0/0xc0
[  396.773242]  ? __lock_acquire+0x7ec/0x4ec0
[  396.777488]  ? __lock_acquire+0x7ec/0x4ec0
[  396.781740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.787291]  ? should_fail+0x22d/0xd01
[  396.791186]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.796299]  ? __lock_acquire+0x7ec/0x4ec0
[  396.800547]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.805652]  ? __lock_acquire+0x7ec/0x4ec0
[  396.809890]  ? should_fail+0x22d/0xd01
[  396.813789]  ? mark_held_locks+0x130/0x130
[  396.818031]  ? mark_held_locks+0x130/0x130
[  396.822275]  ? graph_lock+0x170/0x170
[  396.826077]  ? graph_lock+0x170/0x170
[  396.829880]  ? graph_lock+0x170/0x170
[  396.833685]  ? print_usage_bug+0xc0/0xc0
[  396.837750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.843298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.848842]  ? check_preemption_disabled+0x48/0x200
[  396.853861]  ? check_preemption_disabled+0x48/0x200
[  396.858889]  ? __lock_is_held+0xb5/0x140
[  396.862960]  __alloc_pages_nodemask+0xa80/0xde0
[  396.867631]  ? graph_lock+0x170/0x170
[  396.871440]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  396.876454]  ? graph_lock+0x170/0x170
[  396.880278]  ? find_held_lock+0x36/0x1c0
[  396.884353]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.889025]  ? lock_downgrade+0x900/0x900
[  396.893181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.898729]  cache_grow_begin+0x91/0x8c0
[  396.902794]  ? do_raw_spin_unlock+0xa7/0x2f0
[  396.907213]  fallback_alloc+0x203/0x2e0
[  396.911197]  ____cache_alloc_node+0x1c7/0x1e0
[  396.915704]  kmem_cache_alloc_node+0xe3/0x730
[  396.920205]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.924454]  __alloc_skb+0x119/0x770
[  396.928175]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  396.933457]  ? skb_scrub_packet+0x490/0x490
[  396.937779]  ? lock_downgrade+0x900/0x900
[  396.941939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.947477]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.952943]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.958399]  ? addrconf_rs_timer+0x6f0/0x6f0
[  396.962845]  ndisc_alloc_skb+0x144/0x340
[  396.966916]  ndisc_send_rs+0x331/0x6e0
[  396.970837]  addrconf_rs_timer+0x3c0/0x6f0
[  396.975081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.979338]  call_timer_fn+0x272/0x920
[  396.983231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.987473]  ? process_timeout+0x40/0x40
[  396.991540]  ? find_held_lock+0x36/0x1c0
[  396.995613]  ? __run_timers+0x7da/0xc70
[  396.999599]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.004095]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.008613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.012849]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  397.017434]  ? trace_hardirqs_on+0xbd/0x310
[  397.021758]  ? kasan_check_read+0x11/0x20
[  397.025908]  ? __run_timers+0x7da/0xc70
[  397.029886]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.035345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.039594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.043833]  __run_timers+0x7e5/0xc70
[  397.047659]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  397.053041]  ? compat_start_thread+0x80/0x80
[  397.057455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.063001]  ? _raw_spin_unlock_irq+0x60/0x80
[  397.067510]  ? finish_task_switch+0x1f5/0x900
[  397.072008]  ? finish_task_switch+0x1b5/0x900
[  397.076515]  ? __switch_to_asm+0x34/0x70
[  397.080583]  ? preempt_notifier_register+0x200/0x200
[  397.085689]  ? __switch_to_asm+0x34/0x70
[  397.089748]  ? __switch_to_asm+0x40/0x70
[  397.093809]  ? __switch_to_asm+0x34/0x70
[  397.097868]  ? __switch_to_asm+0x40/0x70
[  397.101927]  ? __switch_to_asm+0x34/0x70
[  397.105988]  ? __switch_to_asm+0x40/0x70
[  397.110052]  ? __switch_to_asm+0x40/0x70
[  397.114123]  ? pvclock_read_flags+0x160/0x160
[  397.118620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.124162]  ? check_preemption_disabled+0x48/0x200
[  397.129195]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  397.134502]  ? rcu_pm_notify+0xc0/0xc0
[  397.138395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.143938]  ? check_preemption_disabled+0x48/0x200
[  397.148967]  run_timer_softirq+0x52/0xb0
[  397.153030]  ? rcu_read_lock_sched_held+0x108/0x120
[  397.158051]  __do_softirq+0x30b/0xad8
[  397.161866]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  397.166971]  ? trace_hardirqs_off_caller+0x300/0x300
[  397.172093]  ? schedule+0x108/0x460
[  397.175730]  ? __schedule+0x1ed0/0x1ed0
[  397.179716]  ? trace_hardirqs_off+0xb8/0x300
[  397.184129]  ? ___might_sleep+0x1ed/0x300
[  397.188281]  ? smpboot_thread_fn+0x68b/0xa00
[  397.192691]  ? trace_hardirqs_on+0x310/0x310
[  397.197105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.202646]  ? check_preemption_disabled+0x48/0x200
[  397.207665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.213208]  ? takeover_tasklets+0xa90/0xa90
[  397.217623]  run_ksoftirqd+0x94/0x100
[  397.221429]  smpboot_thread_fn+0x68b/0xa00
[  397.225668]  ? sort_range+0x30/0x30
[  397.229302]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  397.234405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.239946]  ? __kthread_parkme+0xfb/0x1a0
[  397.244187]  kthread+0x35a/0x420
[  397.247559]  ? sort_range+0x30/0x30
[  397.251184]  ? kthread_bind+0x40/0x40
[  397.254990]  ret_from_fork+0x3a/0x50
[  397.258719] warn_alloc_show_mem: 1 callbacks suppressed
[  397.258731] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  397.258733] Mem-Info:
[  397.258766] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  397.258766]  active_file:28 inactive_file:21 isolated_file:0
[  397.258766]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.258766]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  397.258766]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  397.258766]  free:13666 free_pcp:197 free_cma:0
[  397.264107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.271384] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  397.273783] Call Trace:
[  397.307054] Node 0 
[  397.316403]  <IRQ>
[  397.344253] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  397.346812]  dump_stack+0x1c4/0x2b4
[  397.349021] lowmem_reserve[]:
[  397.351164]  ? dump_stack_print_info.cold.2+0x52/0x52
[  397.376642]  0 2817
[  397.380296]  warn_alloc.cold.118+0xb7/0x1bd
[  397.383368]  6321
[  397.388554]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.390764]  6321
[  397.395088]  ? lock_downgrade+0x900/0x900
[  397.397128] Node 0 
[  397.401967]  ? trace_hardirqs_off+0xb8/0x300
[  397.404026] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  397.408167]  ? trace_hardirqs_off+0xb8/0x300
[  397.410375] lowmem_reserve[]: 0
[  397.414798]  __alloc_pages_slowpath+0x2667/0x2d80
[  397.442018]  0 3503
[  397.446523]  ? warn_alloc+0x120/0x120
[  397.449756]  3503
[  397.454597]  ? trace_hardirqs_on+0x310/0x310
[  397.460600]  ? warn_alloc+0x120/0x120
[  397.462650] Node 0 
[  397.467056]  ? print_usage_bug+0xc0/0xc0
[  397.470856] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  397.473059]  ? warn_alloc+0x120/0x120
[  397.477098] lowmem_reserve[]:
[  397.505647]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  397.509426]  0
[  397.512530]  ? print_usage_bug+0xc0/0xc0
[  397.517520]  0 0
[  397.519327]  ? __lock_acquire+0x7ec/0x4ec0
[  397.523355]  0
[  397.525353]  ? __lock_acquire+0x7ec/0x4ec0
[  397.529568] Node 0 
[  397.531367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.535579] DMA: 
[  397.537812]  ? should_fail+0x22d/0xd01
[  397.543321] 1*4kB 
[  397.545382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.549243] (U) 
[  397.551391]  ? __lock_acquire+0x7ec/0x4ec0
[  397.556468] 0*8kB 
[  397.558443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.562654] 0*16kB 
[  397.564807]  ? __lock_acquire+0x7ec/0x4ec0
[  397.569878] 1*32kB (U) 
[  397.572121]  ? should_fail+0x22d/0xd01
[  397.576349] 2*64kB 
[  397.578928]  ? print_usage_bug+0xc0/0xc0
[  397.582792] (U) 
[  397.585032]  ? mark_held_locks+0x130/0x130
[  397.589059] 1*128kB (U) 
[  397.591045]  ? mark_held_locks+0x130/0x130
[  397.595251] 1*256kB (U) 
[  397.597931]  ? graph_lock+0x170/0x170
[  397.602140] 0*512kB 
[  397.604804]  ? print_usage_bug+0xc0/0xc0
[  397.608581] 1*1024kB 
[  397.610901]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  397.614932] (U) 
[  397.617345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.622072] 1*2048kB (M) 
[  397.624056]  ? check_preemption_disabled+0x48/0x200
[  397.629558] 3*4096kB (M) 
[  397.632320]  ? check_preemption_disabled+0x48/0x200
[  397.637326] = 15908kB
[  397.640086]  ? __lock_is_held+0xb5/0x140
[  397.645075] Node 0 
[  397.647484]  __alloc_pages_nodemask+0xa80/0xde0
[  397.651525] DMA32: 
[  397.653758]  ? graph_lock+0x170/0x170
[  397.658403] 2*4kB 
[  397.660638]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  397.664415] (M) 
[  397.666567]  ? graph_lock+0x170/0x170
[  397.671556] 0*8kB 
[  397.673543]  ? find_held_lock+0x36/0x1c0
[  397.677307] 3*16kB (M) 
[  397.679469]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.683501] 2*32kB (UM) 
[  397.686090]  ? lock_downgrade+0x900/0x900
[  397.690733] 2*64kB (M) 
[  397.693413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.697532] 4*128kB 
[  397.700112]  cache_grow_begin+0x91/0x8c0
[  397.705614] (UM) 2*256kB 
[  397.707944]  ? do_raw_spin_unlock+0xa7/0x2f0
[  397.711971] (M) 4*512kB 
[  397.714736]  fallback_alloc+0x203/0x2e0
[  397.719110] (UM) 3*1024kB 
[  397.721790]  ____cache_alloc_node+0x1c7/0x1e0
[  397.725731] (M) 
[  397.728574]  kmem_cache_alloc_node+0xe3/0x730
[  397.733042] 3*2048kB 
[  397.735014]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.739480] (UM) 
[  397.741899]  __alloc_skb+0x119/0x770
[  397.746101] 3*4096kB (M) 
[  397.748173]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  397.751858] = 24824kB
[  397.754610]  ? skb_scrub_packet+0x490/0x490
[  397.759860] Node 0 
[  397.762263]  ? lock_downgrade+0x900/0x900
[  397.766563] Normal: 981*4kB 
[  397.768808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.772922] (UMEH) 521*8kB 
[  397.775945]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.781459] (MEH) 
[  397.784389]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.789809] 165*16kB (UMEH) 
[  397.791962]  ? addrconf_rs_timer+0x6f0/0x6f0
[  397.797391] 24*32kB 
[  397.800411]  ndisc_alloc_skb+0x144/0x340
[  397.804803] (MEH) 
[  397.807128]  ndisc_send_rs+0x331/0x6e0
[  397.811175] 4*64kB (MH) 
[  397.813333]  addrconf_rs_timer+0x3c0/0x6f0
[  397.817187] 3*128kB (UH) 
[  397.819862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.824072] 1*256kB 
[  397.826853]  call_timer_fn+0x272/0x920
[  397.831084] (U) 
[  397.833404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.837271] 1*512kB 
[  397.839236]  ? process_timeout+0x40/0x40
[  397.843447] (U) 
[  397.845764]  ? find_held_lock+0x36/0x1c0
[  397.849803] 1*1024kB 
[  397.851785]  ? __run_timers+0x7da/0xc70
[  397.855813] (H) 
[  397.858218]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.862163] 0*2048kB 0*4096kB 
[  397.864146]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.868617] = 13932kB
[  397.871804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.876283] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.878679]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  397.882889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.882899] 4507 total pagecache pages
[  397.891738]  ? trace_hardirqs_on+0xbd/0x310
[  397.896305] 0 pages in swap cache
[  397.904878]  ? kasan_check_read+0x11/0x20
[  397.908740] Swap cache stats: add 0, delete 0, find 0/0
[  397.913057]  ? __run_timers+0x7da/0xc70
[  397.916484] Free swap  = 0kB
[  397.920638]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.925974] Total swap = 0kB
[  397.929946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.932937] 1965979 pages RAM
[  397.938384]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.941390] 0 pages HighMem/MovableOnly
[  397.941413] 342744 pages reserved
[  397.945663]  __run_timers+0x7e5/0xc70
[  397.948742] 0 pages cma reserved
[  397.952978]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  397.957001] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.960368]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  397.964209] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.967516]  ? graph_lock+0x170/0x170
[  397.972856] ksoftirqd/1 cpuset=
[  397.979345]  ? enqueue_hrtimer+0x1a5/0x560
[  397.984338] /
[  397.994646]  ? lock_release+0x970/0x970
[  397.998424]  mems_allowed=0
[  398.001693]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.019698]  ? find_held_lock+0x36/0x1c0
[  398.023781]  ? graph_lock+0x170/0x170
[  398.027587]  ? pvclock_read_flags+0x160/0x160
[  398.032086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.037627]  ? check_preemption_disabled+0x48/0x200
[  398.042657]  ? __lock_is_held+0xb5/0x140
[  398.046722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.052262]  ? check_preemption_disabled+0x48/0x200
[  398.057301]  run_timer_softirq+0x52/0xb0
[  398.061377]  ? rcu_read_lock_sched_held+0x108/0x120
[  398.066397]  __do_softirq+0x30b/0xad8
[  398.070209]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  398.075319]  ? pvclock_read_flags+0x160/0x160
[  398.079815]  ? lapic_next_event+0x5a/0x90
[  398.083964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.089512]  ? check_preemption_disabled+0x48/0x200
[  398.094534]  ? check_preemption_disabled+0x48/0x200
[  398.099565]  ? kvm_clock_read+0x18/0x30
[  398.103540]  ? kvm_sched_clock_read+0x9/0x20
[  398.107952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.113506]  ? check_preemption_disabled+0x48/0x200
[  398.118544]  irq_exit+0x17f/0x1c0
[  398.122004]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.126846]  ? smp_reschedule_interrupt+0x109/0x650
[  398.131866]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.137750]  ? interrupt_entry+0xb5/0xf0
[  398.141823]  ? trace_hardirqs_off_caller+0xbb/0x300
[  398.146836]  ? trace_hardirqs_off_caller+0xbb/0x300
[  398.151867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.156719]  ? trace_hardirqs_off+0x300/0x300
[  398.161214]  ? trace_hardirqs_off+0x300/0x300
[  398.165712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.171253]  ? check_preemption_disabled+0x48/0x200
[  398.176271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.181825]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.186683]  apic_timer_interrupt+0xf/0x20
[  398.190916]  </IRQ>
[  398.193157] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  398.198092] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  398.216991] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  398.224700] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  398.231971] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  398.239238] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  398.246512] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  398.253789] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  398.261106]  skb_clone+0x1bb/0x500
[  398.264654]  ? skb_split+0x11e0/0x11e0
[  398.268553]  ? preempt_notifier_register+0x200/0x200
[  398.273658]  ? __switch_to_asm+0x34/0x70
[  398.277721]  ? __switch_to_asm+0x34/0x70
[  398.281787]  ? __switch_to_asm+0x40/0x70
[  398.285848]  ? __switch_to_asm+0x34/0x70
[  398.289910]  ? __switch_to_asm+0x40/0x70
[  398.293975]  ? __switch_to_asm+0x40/0x70
[  398.298034]  ? __switch_to_asm+0x34/0x70
[  398.302182]  ? __switch_to_asm+0x34/0x70
[  398.306249]  ? __switch_to_asm+0x40/0x70
[  398.310312]  ? __switch_to_asm+0x34/0x70
[  398.314382]  bpf_clone_redirect+0xb9/0x490
[  398.318629]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  398.323655]  ? __sched_text_start+0x8/0x8
[  398.327812]  ? lockdep_hardirqs_on+0x421/0x5c0
[  398.332394]  ? retint_kernel+0x2d/0x2d
[  398.336289]  ? trace_hardirqs_on_caller+0xc0/0x300
[  398.341225]  ? find_held_lock+0x36/0x1c0
[  398.345299]  ? lock_acquire+0x1ed/0x520
[  398.349275]  ? bpf_test_run+0x32e/0x5a0
[  398.353252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.358801]  ? check_preemption_disabled+0x48/0x200
[  398.363827]  ? kasan_check_read+0x11/0x20
[  398.367983]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  398.373266]  ? rcu_bh_qs+0xc0/0xc0
[  398.376817]  ? preempt_schedule+0x4d/0x60
[  398.380980]  ? ___preempt_schedule+0x16/0x18
[  398.385401]  ? bpf_test_run+0x1c0/0x5a0
[  398.389391]  ? netlink_diag_dump+0x2a0/0x2a0
[  398.393807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.399354]  ? bpf_test_init.isra.9+0x70/0x100
[  398.403947]  ? bpf_prog_test_run_skb+0x634/0xb40
[  398.408714]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  398.413564]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  398.419102]  ? fput+0x130/0x1a0
[  398.422385]  ? __bpf_prog_get+0x9b/0x290
[  398.426456]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  398.431308]  ? bpf_prog_test_run+0x130/0x1a0
[  398.435723]  ? __x64_sys_bpf+0x3d8/0x510
[  398.439798]  ? bpf_prog_get+0x20/0x20
[  398.443616]  ? ksys_ioctl+0x81/0xd0
[  398.447256]  ? do_syscall_64+0x1b9/0x820
[  398.451319]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  398.456709]  ? syscall_return_slowpath+0x5e0/0x5e0
[  398.461640]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.466486]  ? trace_hardirqs_off+0x300/0x300
[  398.470993]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  398.476010]  ? prepare_exit_to_usermode+0x291/0x3b0
[  398.481033]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.485885]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  398.491276] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  398.491356] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.498114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.498120] Call Trace:
[  398.498139]  dump_stack+0x1c4/0x2b4
[  398.498155]  ? dump_stack_print_info.cold.2+0x52/0x52
[  398.498182]  warn_alloc.cold.118+0xb7/0x1bd
[  398.504713] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.513999]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.516559] syz-executor0 cpuset=
[  398.520177]  ? lock_downgrade+0x900/0x900
[  398.525344] syz0
[  398.529680]  ? trace_hardirqs_off+0xb8/0x300
[  398.540142]  mems_allowed=0
[  398.544985]  ? trace_hardirqs_off+0xb8/0x300
[  398.566235]  __alloc_pages_slowpath+0x2667/0x2d80
[  398.571119]  ? warn_alloc+0x120/0x120
[  398.574928]  ? warn_alloc+0x120/0x120
[  398.578736]  ? print_usage_bug+0xc0/0xc0
[  398.582801]  ? warn_alloc+0x120/0x120
[  398.586607]  ? print_usage_bug+0xc0/0xc0
[  398.590674]  ? __lock_acquire+0x7ec/0x4ec0
[  398.594909]  ? __lock_acquire+0x7ec/0x4ec0
[  398.599148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.604686]  ? should_fail+0x22d/0xd01
[  398.608581]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.613705]  ? __lock_acquire+0x7ec/0x4ec0
[  398.617948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.623049]  ? __lock_acquire+0x7ec/0x4ec0
[  398.627288]  ? should_fail+0x22d/0xd01
[  398.631186]  ? mark_held_locks+0x130/0x130
[  398.635428]  ? mark_held_locks+0x130/0x130
[  398.639664]  ? graph_lock+0x170/0x170
[  398.643466]  ? graph_lock+0x170/0x170
[  398.647283]  ? graph_lock+0x170/0x170
[  398.651083]  ? print_usage_bug+0xc0/0xc0
[  398.655149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.660692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.666238]  ? check_preemption_disabled+0x48/0x200
[  398.671262]  ? check_preemption_disabled+0x48/0x200
[  398.676303]  ? __lock_is_held+0xb5/0x140
[  398.680376]  __alloc_pages_nodemask+0xa80/0xde0
[  398.685047]  ? graph_lock+0x170/0x170
[  398.688857]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  398.693878]  ? graph_lock+0x170/0x170
[  398.697710]  ? find_held_lock+0x36/0x1c0
[  398.701787]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.706459]  ? lock_downgrade+0x900/0x900
[  398.710628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.716176]  cache_grow_begin+0x91/0x8c0
[  398.720239]  ? do_raw_spin_unlock+0xa7/0x2f0
[  398.724662]  fallback_alloc+0x203/0x2e0
[  398.728646]  ____cache_alloc_node+0x1c7/0x1e0
[  398.733149]  kmem_cache_alloc_node+0xe3/0x730
[  398.737649]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.741897]  __alloc_skb+0x119/0x770
[  398.745614]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  398.750905]  ? skb_scrub_packet+0x490/0x490
[  398.755230]  ? lock_downgrade+0x900/0x900
[  398.759389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.764933]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.770391]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.775850]  ? addrconf_rs_timer+0x6f0/0x6f0
[  398.780287]  ndisc_alloc_skb+0x144/0x340
[  398.784381]  ndisc_send_rs+0x331/0x6e0
[  398.788286]  addrconf_rs_timer+0x3c0/0x6f0
[  398.792538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.796796]  call_timer_fn+0x272/0x920
[  398.800687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.804931]  ? process_timeout+0x40/0x40
[  398.808999]  ? find_held_lock+0x36/0x1c0
[  398.813078]  ? __run_timers+0x7da/0xc70
[  398.817063]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.821562]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.826063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.830311]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  398.834896]  ? trace_hardirqs_on+0xbd/0x310
[  398.839222]  ? kasan_check_read+0x11/0x20
[  398.843375]  ? __run_timers+0x7da/0xc70
[  398.847359]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  398.852824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.857068]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.861312]  __run_timers+0x7e5/0xc70
[  398.865131]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  398.870510]  ? compat_start_thread+0x80/0x80
[  398.874937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.880488]  ? _raw_spin_unlock_irq+0x60/0x80
[  398.884999]  ? finish_task_switch+0x1f5/0x900
[  398.889506]  ? finish_task_switch+0x1b5/0x900
[  398.894033]  ? __switch_to_asm+0x34/0x70
[  398.898105]  ? preempt_notifier_register+0x200/0x200
[  398.903212]  ? __switch_to_asm+0x34/0x70
[  398.907278]  ? __switch_to_asm+0x40/0x70
[  398.911340]  ? __switch_to_asm+0x34/0x70
[  398.915401]  ? __switch_to_asm+0x40/0x70
[  398.919460]  ? __switch_to_asm+0x34/0x70
[  398.923537]  ? __switch_to_asm+0x40/0x70
[  398.927605]  ? __switch_to_asm+0x40/0x70
[  398.931679]  ? pvclock_read_flags+0x160/0x160
[  398.936181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.941748]  ? check_preemption_disabled+0x48/0x200
[  398.946784]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  398.952068]  ? rcu_pm_notify+0xc0/0xc0
[  398.955963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.961517]  ? check_preemption_disabled+0x48/0x200
[  398.966578]  run_timer_softirq+0x52/0xb0
[  398.970648]  ? rcu_read_lock_sched_held+0x108/0x120
[  398.975676]  __do_softirq+0x30b/0xad8
[  398.979507]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  398.984627]  ? trace_hardirqs_off_caller+0x300/0x300
[  398.989748]  ? schedule+0x108/0x460
[  398.993385]  ? __schedule+0x1ed0/0x1ed0
[  398.997390]  ? trace_hardirqs_off+0xb8/0x300
[  399.001807]  ? ___might_sleep+0x1ed/0x300
[  399.005957]  ? smpboot_thread_fn+0x68b/0xa00
[  399.010373]  ? trace_hardirqs_on+0x310/0x310
[  399.014791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.020337]  ? check_preemption_disabled+0x48/0x200
[  399.025362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.030913]  ? takeover_tasklets+0xa90/0xa90
[  399.035330]  run_ksoftirqd+0x94/0x100
[  399.039137]  smpboot_thread_fn+0x68b/0xa00
[  399.043380]  ? sort_range+0x30/0x30
[  399.047013]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  399.052122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.057667]  ? __kthread_parkme+0xfb/0x1a0
[  399.061911]  kthread+0x35a/0x420
[  399.065288]  ? sort_range+0x30/0x30
[  399.068917]  ? kthread_bind+0x40/0x40
[  399.072725]  ret_from_fork+0x3a/0x50
[  399.076456] warn_alloc_show_mem: 1 callbacks suppressed
[  399.076469] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  399.076471] Mem-Info:
[  399.076513] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  399.076513]  active_file:28 inactive_file:21 isolated_file:0
[  399.076513]  unevictable:0 dirty:0 writeback:0 unstable:0
[  399.076513]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  399.076513]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  399.076513]  free:13666 free_pcp:197 free_cma:0
[  399.081851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.089132] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  399.091542] Call Trace:
[  399.124599] Node 0 
[  399.133956]  <IRQ>
[  399.161827] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  399.164391]  dump_stack+0x1c4/0x2b4
[  399.166603] lowmem_reserve[]:
[  399.168750]  ? dump_stack_print_info.cold.2+0x52/0x52
[  399.194241]  0
[  399.197889]  warn_alloc.cold.118+0xb7/0x1bd
[  399.200942]  2817 6321
[  399.206138]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.207913]  6321
[  399.212233]  ? lock_downgrade+0x900/0x900
[  399.214705] Node 0 
[  399.219555]  ? trace_hardirqs_off+0xb8/0x300
[  399.221624] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  399.225751]  ? trace_hardirqs_off+0xb8/0x300
[  399.227959] lowmem_reserve[]:
[  399.232377]  __alloc_pages_slowpath+0x2667/0x2d80
[  399.259077]  0
[  399.263533]  ? warn_alloc+0x120/0x120
[  399.266575]  0
[  399.271419]  ? warn_alloc+0x120/0x120
[  399.273186]  3503 3503
[  399.276993]  ? print_usage_bug+0xc0/0xc0
[  399.278780] Node 0 
[  399.282578]  ? warn_alloc+0x120/0x120
[  399.285080] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  399.289111]  ? print_usage_bug+0xc0/0xc0
[  399.291323] lowmem_reserve[]:
[  399.295121]  ? __lock_acquire+0x7ec/0x4ec0
[  399.323983]  0 0
[  399.328073]  ? __lock_acquire+0x7ec/0x4ec0
[  399.331142]  0
[  399.335376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.337326]  0
[  399.341564]  ? should_fail+0x22d/0xd01
[  399.343343] Node 0 
[  399.348880]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.350659] DMA: 
[  399.354541]  ? __lock_acquire+0x7ec/0x4ec0
[  399.356762] 1*4kB 
[  399.361862]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.363900] (U) 
[  399.368135]  ? __lock_acquire+0x7ec/0x4ec0
[  399.370258] 0*8kB 0*16kB 
[  399.375376]  ? should_fail+0x22d/0xd01
[  399.377322] 1*32kB (U) 
[  399.381566]  ? mark_held_locks+0x130/0x130
[  399.384288] 2*64kB (U) 
[  399.388182]  ? mark_held_locks+0x130/0x130
[  399.390737] 1*128kB (U) 
[  399.394975]  ? graph_lock+0x170/0x170
[  399.397537] 1*256kB 
[  399.401764]  ? graph_lock+0x170/0x170
[  399.404412] (U) 
[  399.408205]  ? graph_lock+0x170/0x170
[  399.410513] 0*512kB 
[  399.414305]  ? print_usage_bug+0xc0/0xc0
[  399.416262] 1*1024kB 
[  399.420059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.422357] (U) 
[  399.426412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.429320] 1*2048kB (M) 
[  399.434868]  ? check_preemption_disabled+0x48/0x200
[  399.436813] 3*4096kB (M) 
[  399.442354]  ? check_preemption_disabled+0x48/0x200
[  399.445091] = 15908kB
[  399.450108]  ? __lock_is_held+0xb5/0x140
[  399.452836] Node 0 
[  399.457848]  __alloc_pages_nodemask+0xa80/0xde0
[  399.460234] DMA32: 
[  399.464290]  ? graph_lock+0x170/0x170
[  399.466513] 2*4kB 
[  399.471195]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  399.473406] (M) 
[  399.477201]  ? graph_lock+0x170/0x170
[  399.479328] 0*8kB 
[  399.484342]  ? find_held_lock+0x36/0x1c0
[  399.486310] 3*16kB 
[  399.490113]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.492237] (M) 
[  399.496292]  ? lock_downgrade+0x900/0x900
[  399.498515] 2*32kB 
[  399.503183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.505137] (UM) 
[  399.509287]  cache_grow_begin+0x91/0x8c0
[  399.511505] 2*64kB (M) 
[  399.517048]  ? do_raw_spin_unlock+0xa7/0x2f0
[  399.519086] 4*128kB 
[  399.523141]  fallback_alloc+0x203/0x2e0
[  399.525696] (UM) 
[  399.530103]  ____cache_alloc_node+0x1c7/0x1e0
[  399.532400] 2*256kB 
[  399.536369]  kmem_cache_alloc_node+0xe3/0x730
[  399.538404] (M) 
[  399.542893]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.545197] 4*512kB 
[  399.549690]  __alloc_skb+0x119/0x770
[  399.551638] (UM) 
[  399.555871]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  399.558162] 3*1024kB (M) 
[  399.561879]  ? skb_scrub_packet+0x490/0x490
[  399.563922] 3*2048kB 
[  399.569193]  ? lock_downgrade+0x900/0x900
[  399.571929] (UM) 
[  399.576251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.578639] 3*4096kB 
[  399.582786]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.584828] (M) 
[  399.590361]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.592750] = 24824kB
[  399.598198]  ? addrconf_rs_timer+0x6f0/0x6f0
[  399.600152] Node 0 
[  399.605608]  ndisc_alloc_skb+0x144/0x340
[  399.607986] Normal: 
[  399.612391]  ndisc_send_rs+0x331/0x6e0
[  399.614605] 981*4kB 
[  399.618660]  addrconf_rs_timer+0x3c0/0x6f0
[  399.620956] (UMEH) 
[  399.624845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.627165] 521*8kB 
[  399.631406]  call_timer_fn+0x272/0x920
[  399.633612] (MEH) 
[  399.637844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.640143] 165*16kB 
[  399.644022]  ? process_timeout+0x40/0x40
[  399.646150] (UMEH) 
[  399.650379]  ? find_held_lock+0x36/0x1c0
[  399.652766] 24*32kB 
[  399.656832]  ? __run_timers+0x7da/0xc70
[  399.659043] (MEH) 
[  399.663101]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.665398] 4*64kB (MH) 
[  399.669372]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.671493] 3*128kB (UH) 
[  399.676000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.678640] 1*256kB (U) 
[  399.683140]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  399.685874] 1*512kB 
[  399.690105]  ? trace_hardirqs_on+0xbd/0x310
[  399.692754] (U) 
[  399.697339]  ? kasan_check_read+0x11/0x20
[  399.699636] 1*1024kB 
[  399.703952]  ? __run_timers+0x7da/0xc70
[  399.705903] (H) 
[  399.710098]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  399.712489] 0*2048kB 
[  399.716465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.718409] 0*4096kB = 13932kB
[  399.723866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.726256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  399.730482]  __run_timers+0x7e5/0xc70
[  399.733680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  399.737918]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  399.746719] 4507 total pagecache pages
[  399.750520]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  399.759095] 0 pages in swap cache
[  399.764444]  ? graph_lock+0x170/0x170
[  399.768305] Swap cache stats: add 0, delete 0, find 0/0
[  399.768314] Free swap  = 0kB
[  399.773323]  ? enqueue_hrtimer+0x1a5/0x560
[  399.776751] Total swap = 0kB
[  399.776759] 1965979 pages RAM
[  399.780559]  ? lock_release+0x970/0x970
[  399.785899] 0 pages HighMem/MovableOnly
[  399.788911]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  399.793125] 342744 pages reserved
[  399.796142]  ? find_held_lock+0x36/0x1c0
[  399.799221] 0 pages cma reserved
[  399.803187]  ? graph_lock+0x170/0x170
[  399.807221] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.812330]  ? pvclock_read_flags+0x160/0x160
[  399.815848] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.819818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.823162] ksoftirqd/1 cpuset=
[  399.826958]  ? check_preemption_disabled+0x48/0x200
[  399.833421] /
[  399.837940]  ? __lock_is_held+0xb5/0x140
[  399.848225]  mems_allowed=0
[  399.853753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.876206]  ? check_preemption_disabled+0x48/0x200
[  399.881233]  run_timer_softirq+0x52/0xb0
[  399.885297]  ? rcu_read_lock_sched_held+0x108/0x120
[  399.890323]  __do_softirq+0x30b/0xad8
[  399.894192]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  399.899337]  ? pvclock_read_flags+0x160/0x160
[  399.903841]  ? lapic_next_event+0x5a/0x90
[  399.907995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.913536]  ? check_preemption_disabled+0x48/0x200
[  399.918556]  ? check_preemption_disabled+0x48/0x200
[  399.923598]  ? kvm_clock_read+0x18/0x30
[  399.927578]  ? kvm_sched_clock_read+0x9/0x20
[  399.931990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.937537]  ? check_preemption_disabled+0x48/0x200
[  399.942567]  irq_exit+0x17f/0x1c0
[  399.946025]  smp_apic_timer_interrupt+0x1cb/0x760
[  399.950872]  ? smp_reschedule_interrupt+0x109/0x650
[  399.955895]  ? smp_call_function_single_interrupt+0x650/0x650
[  399.961787]  ? interrupt_entry+0xb5/0xf0
[  399.965853]  ? trace_hardirqs_off_caller+0xbb/0x300
[  399.970869]  ? trace_hardirqs_off_caller+0xbb/0x300
[  399.975892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.980736]  ? trace_hardirqs_off+0x300/0x300
[  399.985239]  ? trace_hardirqs_off+0x300/0x300
[  399.989735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.995295]  ? check_preemption_disabled+0x48/0x200
[  400.000313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.005862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.010714]  apic_timer_interrupt+0xf/0x20
[  400.014942]  </IRQ>
[  400.017184] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  400.022145] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  400.041046] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  400.048761] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  400.056034] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  400.063301] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  400.070568] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  400.077848] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  400.085163]  skb_clone+0x1bb/0x500
[  400.088709]  ? skb_split+0x11e0/0x11e0
[  400.092602]  ? preempt_notifier_register+0x200/0x200
[  400.097707]  ? __switch_to_asm+0x34/0x70
[  400.101773]  ? __switch_to_asm+0x34/0x70
[  400.105836]  ? __switch_to_asm+0x40/0x70
[  400.109897]  ? __switch_to_asm+0x34/0x70
[  400.113958]  ? __switch_to_asm+0x40/0x70
[  400.118020]  ? __switch_to_asm+0x40/0x70
[  400.122082]  ? __switch_to_asm+0x34/0x70
[  400.126144]  ? __switch_to_asm+0x34/0x70
[  400.130207]  ? __switch_to_asm+0x40/0x70
[  400.134300]  ? __switch_to_asm+0x34/0x70
[  400.138401]  bpf_clone_redirect+0xb9/0x490
[  400.142648]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  400.147669]  ? __sched_text_start+0x8/0x8
[  400.151822]  ? lockdep_hardirqs_on+0x421/0x5c0
[  400.156403]  ? retint_kernel+0x2d/0x2d
[  400.160295]  ? trace_hardirqs_on_caller+0xc0/0x300
[  400.165231]  ? find_held_lock+0x36/0x1c0
[  400.169299]  ? lock_acquire+0x1ed/0x520
[  400.173283]  ? bpf_test_run+0x32e/0x5a0
[  400.177260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.182806]  ? check_preemption_disabled+0x48/0x200
[  400.187835]  ? kasan_check_read+0x11/0x20
[  400.191994]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  400.197273]  ? rcu_bh_qs+0xc0/0xc0
[  400.200816]  ? preempt_schedule+0x4d/0x60
[  400.204969]  ? ___preempt_schedule+0x16/0x18
[  400.209389]  ? bpf_test_run+0x1c0/0x5a0
[  400.213377]  ? netlink_diag_dump+0x2a0/0x2a0
[  400.217796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.223341]  ? bpf_test_init.isra.9+0x70/0x100
[  400.227929]  ? bpf_prog_test_run_skb+0x634/0xb40
[  400.232693]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  400.237535]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  400.243090]  ? fput+0x130/0x1a0
[  400.246374]  ? __bpf_prog_get+0x9b/0x290
[  400.250442]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  400.255287]  ? bpf_prog_test_run+0x130/0x1a0
[  400.259702]  ? __x64_sys_bpf+0x3d8/0x510
[  400.263772]  ? bpf_prog_get+0x20/0x20
[  400.267585]  ? ksys_ioctl+0x81/0xd0
[  400.271224]  ? do_syscall_64+0x1b9/0x820
[  400.275290]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  400.280657]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.285594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.290439]  ? trace_hardirqs_off+0x300/0x300
[  400.294938]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.299965]  ? prepare_exit_to_usermode+0x291/0x3b0
[  400.304988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.309858]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  400.315242] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  400.315327] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.322115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.322120] Call Trace:
[  400.322139]  dump_stack+0x1c4/0x2b4
[  400.322160]  ? dump_stack_print_info.cold.2+0x52/0x52
[  400.328732] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.337998]  warn_alloc.cold.118+0xb7/0x1bd
[  400.340554] syz-executor0 cpuset=
[  400.344175]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.349338] syz0
[  400.359821]  ? lock_downgrade+0x900/0x900
[  400.364126]  mems_allowed=0
[  400.367590]  ? trace_hardirqs_off+0xb8/0x300
[  400.385826]  ? trace_hardirqs_off+0xb8/0x300
[  400.390246]  __alloc_pages_slowpath+0x2667/0x2d80
[  400.395127]  ? warn_alloc+0x120/0x120
[  400.398941]  ? warn_alloc+0x120/0x120
[  400.402745]  ? print_usage_bug+0xc0/0xc0
[  400.406808]  ? warn_alloc+0x120/0x120
[  400.410612]  ? print_usage_bug+0xc0/0xc0
[  400.414677]  ? __lock_acquire+0x7ec/0x4ec0
[  400.419531]  ? __lock_acquire+0x7ec/0x4ec0
[  400.423789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.429851]  ? should_fail+0x22d/0xd01
[  400.433745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.438852]  ? __lock_acquire+0x7ec/0x4ec0
[  400.443097]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.448202]  ? __lock_acquire+0x7ec/0x4ec0
[  400.452435]  ? should_fail+0x22d/0xd01
[  400.456321]  ? print_usage_bug+0xc0/0xc0
[  400.460393]  ? mark_held_locks+0x130/0x130
[  400.464634]  ? mark_held_locks+0x130/0x130
[  400.468879]  ? graph_lock+0x170/0x170
[  400.472687]  ? print_usage_bug+0xc0/0xc0
[  400.476753]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  400.481529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.487076]  ? check_preemption_disabled+0x48/0x200
[  400.492095]  ? check_preemption_disabled+0x48/0x200
[  400.497122]  ? __lock_is_held+0xb5/0x140
[  400.501190]  __alloc_pages_nodemask+0xa80/0xde0
[  400.505861]  ? graph_lock+0x170/0x170
[  400.509672]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  400.514689]  ? graph_lock+0x170/0x170
[  400.518514]  ? find_held_lock+0x36/0x1c0
[  400.522590]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.527435]  ? lock_downgrade+0x900/0x900
[  400.531596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.537166]  cache_grow_begin+0x91/0x8c0
[  400.541249]  ? do_raw_spin_unlock+0xa7/0x2f0
[  400.545678]  fallback_alloc+0x203/0x2e0
[  400.549666]  ____cache_alloc_node+0x1c7/0x1e0
[  400.554171]  kmem_cache_alloc_node+0xe3/0x730
[  400.558667]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.562918]  __alloc_skb+0x119/0x770
[  400.566636]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  400.571918]  ? skb_scrub_packet+0x490/0x490
[  400.576256]  ? lock_downgrade+0x900/0x900
[  400.580437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.585976]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.591438]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.596981]  ? addrconf_rs_timer+0x6f0/0x6f0
[  400.601405]  ndisc_alloc_skb+0x144/0x340
[  400.605473]  ndisc_send_rs+0x331/0x6e0
[  400.609376]  addrconf_rs_timer+0x3c0/0x6f0
[  400.613618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.617873]  call_timer_fn+0x272/0x920
[  400.621761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.626004]  ? process_timeout+0x40/0x40
[  400.630064]  ? find_held_lock+0x36/0x1c0
[  400.634136]  ? __run_timers+0x7da/0xc70
[  400.638118]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.642617]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.647112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.651345]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  400.655945]  ? trace_hardirqs_on+0xbd/0x310
[  400.660275]  ? kasan_check_read+0x11/0x20
[  400.664423]  ? __run_timers+0x7da/0xc70
[  400.668398]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  400.673857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.678099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.682338]  __run_timers+0x7e5/0xc70
[  400.686155]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  400.691525]  ? compat_start_thread+0x80/0x80
[  400.695939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.701480]  ? _raw_spin_unlock_irq+0x60/0x80
[  400.705990]  ? finish_task_switch+0x1f5/0x900
[  400.710488]  ? finish_task_switch+0x1b5/0x900
[  400.714991]  ? __switch_to_asm+0x34/0x70
[  400.719055]  ? preempt_notifier_register+0x200/0x200
[  400.724159]  ? __switch_to_asm+0x34/0x70
[  400.728219]  ? __switch_to_asm+0x40/0x70
[  400.732282]  ? __switch_to_asm+0x34/0x70
[  400.736342]  ? __switch_to_asm+0x40/0x70
[  400.740399]  ? __switch_to_asm+0x34/0x70
[  400.744458]  ? __switch_to_asm+0x40/0x70
[  400.748525]  ? __switch_to_asm+0x40/0x70
[  400.752597]  ? pvclock_read_flags+0x160/0x160
[  400.757092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.762635]  ? check_preemption_disabled+0x48/0x200
[  400.767662]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  400.772946]  ? rcu_pm_notify+0xc0/0xc0
[  400.776845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.782384]  ? check_preemption_disabled+0x48/0x200
[  400.787409]  run_timer_softirq+0x52/0xb0
[  400.791470]  ? rcu_read_lock_sched_held+0x108/0x120
[  400.796504]  __do_softirq+0x30b/0xad8
[  400.800319]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  400.805422]  ? trace_hardirqs_off_caller+0x300/0x300
[  400.810539]  ? schedule+0x108/0x460
[  400.814170]  ? __schedule+0x1ed0/0x1ed0
[  400.818148]  ? trace_hardirqs_off+0xb8/0x300
[  400.822558]  ? ___might_sleep+0x1ed/0x300
[  400.826703]  ? smpboot_thread_fn+0x68b/0xa00
[  400.831112]  ? trace_hardirqs_on+0x310/0x310
[  400.835529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.841073]  ? check_preemption_disabled+0x48/0x200
[  400.846093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.851637]  ? takeover_tasklets+0xa90/0xa90
[  400.856053]  run_ksoftirqd+0x94/0x100
[  400.859859]  smpboot_thread_fn+0x68b/0xa00
[  400.864102]  ? sort_range+0x30/0x30
[  400.867732]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  400.872838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.878376]  ? __kthread_parkme+0xfb/0x1a0
[  400.882620]  kthread+0x35a/0x420
[  400.885988]  ? sort_range+0x30/0x30
[  400.889613]  ? kthread_bind+0x40/0x40
[  400.893417]  ret_from_fork+0x3a/0x50
[  400.897155] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  400.897160] warn_alloc_show_mem: 1 callbacks suppressed
[  400.897167] Mem-Info:
[  400.904430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.904438] Call Trace:
[  400.909830] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  400.909830]  active_file:28 inactive_file:21 isolated_file:0
[  400.909830]  unevictable:0 dirty:0 writeback:0 unstable:0
[  400.909830]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  400.909830]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  400.909830]  free:13666 free_pcp:197 free_cma:0
[  400.912206]  <IRQ>
[  400.921570] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  400.924150]  dump_stack+0x1c4/0x2b4
[  400.957192] Node 0 
[  400.959335]  ? dump_stack_print_info.cold.2+0x52/0x52
[  400.987178] 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
[  400.990790]  warn_alloc.cold.118+0xb7/0x1bd
[  400.993017] lowmem_reserve[]:
[  400.998203]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.023693]  0
[  401.028008]  ? lock_downgrade+0x900/0x900
[  401.031086]  2817
[  401.035928]  ? trace_hardirqs_off+0xb8/0x300
[  401.037700]  6321 6321
[  401.041854]  ? trace_hardirqs_off+0xb8/0x300
[  401.048297]  __alloc_pages_slowpath+0x2667/0x2d80
[  401.050766] Node 0 
[  401.055198]  ? warn_alloc+0x120/0x120
[  401.060018] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  401.062232]  ? trace_hardirqs_on+0x310/0x310
[  401.066005] lowmem_reserve[]:
[  401.092806]  ? warn_alloc+0x120/0x120
[  401.097188]  0
[  401.100293]  ? print_usage_bug+0xc0/0xc0
[  401.104066]  0
[  401.105862]  ? warn_alloc+0x120/0x120
[  401.109895]  3503 3503
[  401.111699]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  401.117961]  ? print_usage_bug+0xc0/0xc0
[  401.122953] Node 0 Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  401.127035]  ? __lock_acquire+0x7ec/0x4ec0
[  401.127051]  ? __lock_acquire+0x7ec/0x4ec0
[  401.156176] lowmem_reserve[]:
[  401.160409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.164621]  0
[  401.167720]  ? should_fail+0x22d/0xd01
[  401.173222]  0 0
[  401.175031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.178886]  0
[  401.180856]  ? __lock_acquire+0x7ec/0x4ec0
[  401.187727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.191934] Node 0 
[  401.197040]  ? __lock_acquire+0x7ec/0x4ec0
[  401.197050] DMA: 
[  401.199286]  ? should_fail+0x22d/0xd01
[  401.203494] 1*4kB 
[  401.205560]  ? print_usage_bug+0xc0/0xc0
[  401.209420] (U) 
[  401.211571]  ? mark_held_locks+0x130/0x130
[  401.215604] 0*8kB 
[  401.217574]  ? mark_held_locks+0x130/0x130
[  401.221782] 0*16kB 
[  401.223935]  ? graph_lock+0x170/0x170
[  401.228153] 1*32kB 
[  401.230382]  ? print_usage_bug+0xc0/0xc0
[  401.234155] (U) 
[  401.236389]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  401.240419] 2*64kB (U) 
[  401.242405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.247132] 1*128kB (U) 
[  401.249725]  ? check_preemption_disabled+0x48/0x200
[  401.255232] 1*256kB 
[  401.257899]  ? check_preemption_disabled+0x48/0x200
[  401.262887] (U) 
[  401.265211]  ? __lock_is_held+0xb5/0x140
[  401.270194] 0*512kB 
[  401.272169]  __alloc_pages_nodemask+0xa80/0xde0
[  401.276199] 1*1024kB 
[  401.278521]  ? graph_lock+0x170/0x170
[  401.283167] (U) 
[  401.285570]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  401.289345] 1*2048kB 
[  401.291311]  ? graph_lock+0x170/0x170
[  401.296547] (M) 3*4096kB 
[  401.298975]  ? find_held_lock+0x36/0x1c0
[  401.302741] (M) 
[  401.305509]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.309538] = 15908kB
[  401.311514]  ? lock_downgrade+0x900/0x900
[  401.316170] Node 0 
[  401.318583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.322698] DMA32: 
[  401.324931]  cache_grow_begin+0x91/0x8c0
[  401.330445] 2*4kB 
[  401.332674]  ? do_raw_spin_unlock+0xa7/0x2f0
[  401.336709] (M) 
[  401.338855]  fallback_alloc+0x203/0x2e0
[  401.343228] 0*8kB 3*16kB 
[  401.345212]  ____cache_alloc_node+0x1c7/0x1e0
[  401.349155] (M) 
[  401.351909]  kmem_cache_alloc_node+0xe3/0x730
[  401.356380] 2*32kB 
[  401.358359]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.362825] (UM) 
[  401.365061]  __alloc_skb+0x119/0x770
[  401.369264] 2*64kB 
[  401.371322]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  401.375008] (M) 
[  401.377246]  ? skb_scrub_packet+0x490/0x490
[  401.382494] 4*128kB (UM) 
[  401.384478]  ? lock_downgrade+0x900/0x900
[  401.388771] 2*256kB (M) 
[  401.391538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.395655] 4*512kB 
[  401.398322]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.403829] (UM) 
[  401.406151]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.411570] 3*1024kB (M) 
[  401.413638]  ? addrconf_rs_timer+0x6f0/0x6f0
[  401.419055] 3*2048kB (UM) 
[  401.421822]  ndisc_alloc_skb+0x144/0x340
[  401.426197] 3*4096kB 
[  401.429285]  ndisc_send_rs+0x331/0x6e0
[  401.433325] (M) 
[  401.435733]  addrconf_rs_timer+0x3c0/0x6f0
[  401.439597] = 24824kB
[  401.441569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.445775] Node 0 Normal: 
[  401.448201]  call_timer_fn+0x272/0x920
[  401.452413] 981*4kB 
[  401.455338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.459201] (UMEH) 
[  401.461525]  ? process_timeout+0x40/0x40
[  401.465753] 521*8kB 
[  401.467989]  ? find_held_lock+0x36/0x1c0
[  401.472025] (MEH) 
[  401.474349]  ? __run_timers+0x7da/0xc70
[  401.478382] 165*16kB 
[  401.480533]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.484484] (UMEH) 
[  401.486896]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.491366] 24*32kB 
[  401.493595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.498066] (MEH) 
[  401.500386]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  401.504594] 4*64kB 
[  401.506737]  ? trace_hardirqs_on+0xbd/0x310
[  401.511295] (MH) 
[  401.513537]  ? kasan_check_read+0x11/0x20
[  401.517827] 3*128kB 
[  401.519883]  ? __run_timers+0x7da/0xc70
[  401.524005] (UH) 
[  401.526325]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  401.530276] 1*256kB 
[  401.532332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.537778] (U) 
[  401.540099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.544307] 1*512kB 
[  401.546275]  __run_timers+0x7e5/0xc70
[  401.550490] (U) 
[  401.552828]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  401.556589] 1*1024kB (H) 
[  401.558570]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.563910] 0*2048kB 
[  401.566660]  ? graph_lock+0x170/0x170
[  401.571656] 0*4096kB 
[  401.574058]  ? enqueue_hrtimer+0x1a5/0x560
[  401.577837] = 13932kB
[  401.580242]  ? lock_release+0x970/0x970
[  401.584456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  401.586854]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.590809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  401.599636]  ? find_held_lock+0x36/0x1c0
[  401.604798] 4507 total pagecache pages
[  401.613366]  ? graph_lock+0x170/0x170
[  401.617409] 0 pages in swap cache
[  401.621286]  ? pvclock_read_flags+0x160/0x160
[  401.625064] Swap cache stats: add 0, delete 0, find 0/0
[  401.628514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.632987] Free swap  = 0kB
[  401.638349]  ? check_preemption_disabled+0x48/0x200
[  401.643858] Total swap = 0kB
[  401.646877]  ? __lock_is_held+0xb5/0x140
[  401.651862] 1965979 pages RAM
[  401.654874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.658912] 0 pages HighMem/MovableOnly
[  401.662013]  ? check_preemption_disabled+0x48/0x200
[  401.667530] 342744 pages reserved
[  401.671511]  run_timer_softirq+0x52/0xb0
[  401.676508] 0 pages cma reserved
[  401.679953]  ? rcu_read_lock_sched_held+0x108/0x120
[  401.684070] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  401.687350]  __do_softirq+0x30b/0xad8
[  401.687381]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  401.692435] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.698865]  ? pvclock_read_flags+0x160/0x160
[  401.702655] ksoftirqd/1 cpuset=/
[  401.707759]  ? lapic_next_event+0x5a/0x90
[  401.718047]  mems_allowed=0
[  401.722538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.738458]  ? check_preemption_disabled+0x48/0x200
[  401.743473]  ? check_preemption_disabled+0x48/0x200
[  401.748510]  ? kvm_clock_read+0x18/0x30
[  401.752487]  ? kvm_sched_clock_read+0x9/0x20
[  401.756911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.762455]  ? check_preemption_disabled+0x48/0x200
[  401.767487]  irq_exit+0x17f/0x1c0
[  401.770954]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.775803]  ? smp_reschedule_interrupt+0x109/0x650
[  401.780825]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.786712]  ? interrupt_entry+0xb5/0xf0
[  401.790785]  ? trace_hardirqs_off_caller+0xbb/0x300
[  401.795802]  ? trace_hardirqs_off_caller+0xbb/0x300
[  401.800824]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.805668]  ? trace_hardirqs_off+0x300/0x300
[  401.810166]  ? trace_hardirqs_off+0x300/0x300
[  401.814661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.820199]  ? check_preemption_disabled+0x48/0x200
[  401.825213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.830757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.835618]  apic_timer_interrupt+0xf/0x20
[  401.839846]  </IRQ>
[  401.842088] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  401.847021] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  401.865919] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  401.873632] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  401.880902] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  401.888174] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  401.895440] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  401.902708] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  401.910024]  skb_clone+0x1bb/0x500
[  401.913570]  ? skb_split+0x11e0/0x11e0
[  401.917463]  ? preempt_notifier_register+0x200/0x200
[  401.922573]  ? __switch_to_asm+0x34/0x70
[  401.926635]  ? __switch_to_asm+0x34/0x70
[  401.930698]  ? __switch_to_asm+0x40/0x70
[  401.934758]  ? __switch_to_asm+0x34/0x70
[  401.938820]  ? __switch_to_asm+0x40/0x70
[  401.942884]  ? __switch_to_asm+0x40/0x70
[  401.946944]  ? __switch_to_asm+0x34/0x70
[  401.951003]  ? __switch_to_asm+0x34/0x70
[  401.955060]  ? __switch_to_asm+0x40/0x70
[  401.959121]  ? __switch_to_asm+0x34/0x70
[  401.963190]  bpf_clone_redirect+0xb9/0x490
[  401.967466]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  401.972492]  ? __sched_text_start+0x8/0x8
[  401.976657]  ? lockdep_hardirqs_on+0x421/0x5c0
[  401.981242]  ? retint_kernel+0x2d/0x2d
[  401.985131]  ? trace_hardirqs_on_caller+0xc0/0x300
[  401.990064]  ? find_held_lock+0x36/0x1c0
[  401.994131]  ? lock_acquire+0x1ed/0x520
[  401.998109]  ? bpf_test_run+0x32e/0x5a0
[  402.002083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.007630]  ? check_preemption_disabled+0x48/0x200
[  402.012660]  ? kasan_check_read+0x11/0x20
[  402.016814]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  402.022095]  ? rcu_bh_qs+0xc0/0xc0
[  402.025643]  ? preempt_schedule+0x4d/0x60
[  402.029797]  ? ___preempt_schedule+0x16/0x18
[  402.034212]  ? bpf_test_run+0x1c0/0x5a0
[  402.038196]  ? netlink_diag_dump+0x2a0/0x2a0
[  402.042606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.048143]  ? bpf_test_init.isra.9+0x70/0x100
[  402.052734]  ? bpf_prog_test_run_skb+0x634/0xb40
[  402.057506]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  402.062347]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  402.067885]  ? fput+0x130/0x1a0
[  402.071169]  ? __bpf_prog_get+0x9b/0x290
[  402.075232]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  402.080072]  ? bpf_prog_test_run+0x130/0x1a0
[  402.084485]  ? __x64_sys_bpf+0x3d8/0x510
[  402.088554]  ? bpf_prog_get+0x20/0x20
[  402.092368]  ? ksys_ioctl+0x81/0xd0
[  402.096014]  ? do_syscall_64+0x1b9/0x820
[  402.100074]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  402.105439]  ? syscall_return_slowpath+0x5e0/0x5e0
[  402.110367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.115211]  ? trace_hardirqs_off+0x300/0x300
[  402.119709]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  402.124727]  ? prepare_exit_to_usermode+0x291/0x3b0
[  402.129755]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.134615]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  402.139998] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  402.140080] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.146834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.146840] Call Trace:
[  402.146858]  dump_stack+0x1c4/0x2b4
[  402.146875]  ? dump_stack_print_info.cold.2+0x52/0x52
[  402.146901]  warn_alloc.cold.118+0xb7/0x1bd
[  402.153425] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.162713]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.165281] syz-executor0 cpuset=
[  402.168898]  ? lock_downgrade+0x900/0x900
[  402.174062] syz0
[  402.178381]  ? trace_hardirqs_off+0xb8/0x300
[  402.188873]  mems_allowed=0
[  402.193709]  ? trace_hardirqs_off+0xb8/0x300
[  402.214966]  __alloc_pages_slowpath+0x2667/0x2d80
[  402.219844]  ? warn_alloc+0x120/0x120
[  402.223653]  ? warn_alloc+0x120/0x120
[  402.227459]  ? print_usage_bug+0xc0/0xc0
[  402.231530]  ? warn_alloc+0x120/0x120
[  402.235331]  ? print_usage_bug+0xc0/0xc0
[  402.239398]  ? __lock_acquire+0x7ec/0x4ec0
[  402.243632]  ? __lock_acquire+0x7ec/0x4ec0
[  402.247869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.253418]  ? should_fail+0x22d/0xd01
[  402.257312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.262417]  ? __lock_acquire+0x7ec/0x4ec0
[  402.266664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.271768]  ? __lock_acquire+0x7ec/0x4ec0
[  402.276008]  ? should_fail+0x22d/0xd01
[  402.279911]  ? mark_held_locks+0x130/0x130
[  402.284154]  ? mark_held_locks+0x130/0x130
[  402.288393]  ? graph_lock+0x170/0x170
[  402.292195]  ? graph_lock+0x170/0x170
[  402.295997]  ? graph_lock+0x170/0x170
[  402.299798]  ? print_usage_bug+0xc0/0xc0
[  402.303862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.309401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.314942]  ? check_preemption_disabled+0x48/0x200
[  402.319957]  ? check_preemption_disabled+0x48/0x200
[  402.324983]  ? __lock_is_held+0xb5/0x140
[  402.329052]  __alloc_pages_nodemask+0xa80/0xde0
[  402.333723]  ? graph_lock+0x170/0x170
[  402.337535]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  402.342550]  ? graph_lock+0x170/0x170
[  402.346365]  ? find_held_lock+0x36/0x1c0
[  402.350443]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.355117]  ? lock_downgrade+0x900/0x900
[  402.359283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.364829]  cache_grow_begin+0x91/0x8c0
[  402.368894]  ? do_raw_spin_unlock+0xa7/0x2f0
[  402.373313]  fallback_alloc+0x203/0x2e0
[  402.377301]  ____cache_alloc_node+0x1c7/0x1e0
[  402.381803]  kmem_cache_alloc_node+0xe3/0x730
[  402.386306]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.390556]  __alloc_skb+0x119/0x770
[  402.394277]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  402.399559]  ? skb_scrub_packet+0x490/0x490
[  402.403880]  ? lock_downgrade+0x900/0x900
[  402.408038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.413580]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.419037]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.424490]  ? addrconf_rs_timer+0x6f0/0x6f0
[  402.428928]  ndisc_alloc_skb+0x144/0x340
[  402.432998]  ndisc_send_rs+0x331/0x6e0
[  402.436897]  addrconf_rs_timer+0x3c0/0x6f0
[  402.441144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.445395]  call_timer_fn+0x272/0x920
[  402.449286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.453530]  ? process_timeout+0x40/0x40
[  402.457592]  ? find_held_lock+0x36/0x1c0
[  402.461661]  ? __run_timers+0x7da/0xc70
[  402.465640]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.470138]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.474631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.478869]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  402.483458]  ? trace_hardirqs_on+0xbd/0x310
[  402.487785]  ? kasan_check_read+0x11/0x20
[  402.491933]  ? __run_timers+0x7da/0xc70
[  402.495911]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.501370]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.505616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.509852]  __run_timers+0x7e5/0xc70
[  402.513667]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  402.519035]  ? compat_start_thread+0x80/0x80
[  402.523451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.528994]  ? _raw_spin_unlock_irq+0x60/0x80
[  402.533494]  ? finish_task_switch+0x1f5/0x900
[  402.538002]  ? finish_task_switch+0x1b5/0x900
[  402.542506]  ? __switch_to_asm+0x34/0x70
[  402.546576]  ? preempt_notifier_register+0x200/0x200
[  402.551685]  ? __switch_to_asm+0x34/0x70
[  402.555744]  ? __switch_to_asm+0x40/0x70
[  402.559802]  ? __switch_to_asm+0x34/0x70
[  402.563862]  ? __switch_to_asm+0x40/0x70
[  402.567922]  ? __switch_to_asm+0x34/0x70
[  402.571984]  ? __switch_to_asm+0x40/0x70
[  402.576046]  ? __switch_to_asm+0x40/0x70
[  402.580122]  ? pvclock_read_flags+0x160/0x160
[  402.584623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.590162]  ? check_preemption_disabled+0x48/0x200
[  402.595194]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  402.600475]  ? rcu_pm_notify+0xc0/0xc0
[  402.604375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.609914]  ? check_preemption_disabled+0x48/0x200
[  402.614942]  run_timer_softirq+0x52/0xb0
[  402.619005]  ? rcu_read_lock_sched_held+0x108/0x120
[  402.624022]  __do_softirq+0x30b/0xad8
[  402.627839]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  402.632941]  ? trace_hardirqs_off_caller+0x300/0x300
[  402.638056]  ? schedule+0x108/0x460
[  402.641686]  ? __schedule+0x1ed0/0x1ed0
[  402.645675]  ? trace_hardirqs_off+0xb8/0x300
[  402.650090]  ? ___might_sleep+0x1ed/0x300
[  402.654242]  ? smpboot_thread_fn+0x68b/0xa00
[  402.658656]  ? trace_hardirqs_on+0x310/0x310
[  402.663066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.668605]  ? check_preemption_disabled+0x48/0x200
[  402.673626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.679168]  ? takeover_tasklets+0xa90/0xa90
[  402.683580]  run_ksoftirqd+0x94/0x100
[  402.687380]  smpboot_thread_fn+0x68b/0xa00
[  402.691635]  ? sort_range+0x30/0x30
[  402.695274]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.700377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.705918]  ? __kthread_parkme+0xfb/0x1a0
[  402.710162]  kthread+0x35a/0x420
[  402.713535]  ? sort_range+0x30/0x30
[  402.717162]  ? kthread_bind+0x40/0x40
[  402.720964]  ret_from_fork+0x3a/0x50
[  402.724703] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  402.724709] warn_alloc_show_mem: 1 callbacks suppressed
[  402.724716] Mem-Info:
[  402.731984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.737355] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  402.737355]  active_file:28 inactive_file:21 isolated_file:0
[  402.737355]  unevictable:0 dirty:0 writeback:0 unstable:0
[  402.737355]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  402.737355]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  402.737355]  free:13666 free_pcp:197 free_cma:0
[  402.739728] Call Trace:
[  402.749130] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.782160]  <IRQ>
[  402.784732] Node 0 
[  402.812575]  dump_stack+0x1c4/0x2b4
[  402.814721] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  402.816927]  ? dump_stack_print_info.cold.2+0x52/0x52
[  402.820529] lowmem_reserve[]:
[  402.846037]  warn_alloc.cold.118+0xb7/0x1bd
[  402.851194]  0
[  402.854292]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.858589]  2817
[  402.860389]  ? lock_downgrade+0x900/0x900
[  402.865210]  6321
[  402.867273]  ? trace_hardirqs_off+0xb8/0x300
[  402.871400]  6321
[  402.873459]  ? trace_hardirqs_off+0xb8/0x300
[  402.879902]  __alloc_pages_slowpath+0x2667/0x2d80
[  402.884296] Node 0 DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  402.889163]  ? warn_alloc+0x120/0x120
[  402.889183]  ? warn_alloc+0x120/0x120
[  402.916481] lowmem_reserve[]: 0
[  402.920302]  ? print_usage_bug+0xc0/0xc0
[  402.924070]  0
[  402.927343]  ? warn_alloc+0x120/0x120
[  402.931371]  3503 3503
[  402.933174]  ? print_usage_bug+0xc0/0xc0
[  402.939440]  ? __lock_acquire+0x7ec/0x4ec0
[  402.943492] Node 0 
[  402.947731]  ? __lock_acquire+0x7ec/0x4ec0
[  402.947767] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  402.949989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.954197] lowmem_reserve[]:
[  402.982737]  ? should_fail+0x22d/0xd01
[  402.988250]  0
[  402.991364]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.995227]  0
[  402.997028]  ? __lock_acquire+0x7ec/0x4ec0
[  403.002102]  0
[  403.003900]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.008107]  0
[  403.009907]  ? __lock_acquire+0x7ec/0x4ec0
[  403.016785]  ? should_fail+0x22d/0xd01
[  403.020990] Node 0 DMA: 1*4kB 
[  403.024880]  ? mark_held_locks+0x130/0x130
[  403.024898]  ? mark_held_locks+0x130/0x130
[  403.028067] (U) 
[  403.032292]  ? graph_lock+0x170/0x170
[  403.036509] 0*8kB 
[  403.038493]  ? graph_lock+0x170/0x170
[  403.042278] 0*16kB 
[  403.044420]  ? graph_lock+0x170/0x170
[  403.048194] 1*32kB 
[  403.050423]  ? print_usage_bug+0xc0/0xc0
[  403.054196] (U) 
[  403.056430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.060467] 2*64kB 
[  403.062462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.067972] (U) 
[  403.070207]  ? check_preemption_disabled+0x48/0x200
[  403.075723] 1*128kB 
[  403.077691]  ? check_preemption_disabled+0x48/0x200
[  403.082683] (U) 
[  403.085005]  ? __lock_is_held+0xb5/0x140
[  403.089987] 1*256kB 
[  403.091978]  __alloc_pages_nodemask+0xa80/0xde0
[  403.096011] (U) 
[  403.098326]  ? graph_lock+0x170/0x170
[  403.102974] 0*512kB 
[  403.104948]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  403.108725] 1*1024kB 
[  403.111041]  ? graph_lock+0x170/0x170
[  403.116030] (U) 
[  403.118440]  ? find_held_lock+0x36/0x1c0
[  403.122209] 1*2048kB 
[  403.124184]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.128214] (M) 
[  403.130619]  ? lock_downgrade+0x900/0x900
[  403.135259] 3*4096kB (M) 
[  403.137246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.141361] = 15908kB
[  403.144464]  cache_grow_begin+0x91/0x8c0
[  403.149973] Node 0 
[  403.152379]  ? do_raw_spin_unlock+0xa7/0x2f0
[  403.156412] DMA32: 
[  403.158653]  fallback_alloc+0x203/0x2e0
[  403.163035] 2*4kB 
[  403.165270]  ____cache_alloc_node+0x1c7/0x1e0
[  403.169232] (M) 
[  403.171382]  kmem_cache_alloc_node+0xe3/0x730
[  403.175851] 0*8kB 
[  403.177824]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.182299] 3*16kB 
[  403.184452]  __alloc_skb+0x119/0x770
[  403.188653] (M) 
[  403.190891]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  403.194580] 2*32kB 
[  403.196549]  ? skb_scrub_packet+0x490/0x490
[  403.201796] (UM) 
[  403.204029]  ? lock_downgrade+0x900/0x900
[  403.208323] 2*64kB 
[  403.210384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.214510] (M) 
[  403.216742]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.222250] 4*128kB 
[  403.224220]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.229642] (UM) 
[  403.231964]  ? addrconf_rs_timer+0x6f0/0x6f0
[  403.237388] 2*256kB 
[  403.239459]  ndisc_alloc_skb+0x144/0x340
[  403.243831] (M) 
[  403.246152]  ndisc_send_rs+0x331/0x6e0
[  403.250183] 4*512kB 
[  403.252155]  addrconf_rs_timer+0x3c0/0x6f0
[  403.256012] (UM) 
[  403.258332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.262538] 3*1024kB 
[  403.264609]  call_timer_fn+0x272/0x920
[  403.268806] (M) 
[  403.271209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.275071] 3*2048kB 
[  403.277043]  ? process_timeout+0x40/0x40
[  403.281252] (UM) 
[  403.283661]  ? find_held_lock+0x36/0x1c0
[  403.287698] 3*4096kB 
[  403.289761]  ? __run_timers+0x7da/0xc70
[  403.293789] (M) 
[  403.296707]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.300744] = 24824kB
[  403.302713]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.307183] Node 0 
[  403.309589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.314056] Normal: 
[  403.316291]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  403.320512] 981*4kB 
[  403.322834]  ? trace_hardirqs_on+0xbd/0x310
[  403.327391] (UMEH) 
[  403.329710]  ? kasan_check_read+0x11/0x20
[  403.334004] 521*8kB 
[  403.336237]  ? __run_timers+0x7da/0xc70
[  403.340356] (MEH) 
[  403.342676]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  403.346626] 165*16kB 
[  403.348775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.354190] (UMEH) 
[  403.356597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.360805] 24*32kB 
[  403.363038]  __run_timers+0x7e5/0xc70
[  403.367287] (MEH) 
[  403.369616]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  403.373383] 4*64kB 
[  403.375537]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.380873] (MH) 
[  403.383103]  ? graph_lock+0x170/0x170
[  403.388096] 3*128kB 
[  403.390156]  ? enqueue_hrtimer+0x1a5/0x560
[  403.393934] (UH) 
[  403.396250]  ? lock_release+0x970/0x970
[  403.400460] 1*256kB (U) 
[  403.402532]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.406481] 1*512kB 
[  403.409155]  ? find_held_lock+0x36/0x1c0
[  403.414317] (U) 
[  403.416640]  ? graph_lock+0x170/0x170
[  403.420677] 1*1024kB 
[  403.422651]  ? pvclock_read_flags+0x160/0x160
[  403.426425] (H) 
[  403.429178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.433657] 0*2048kB 
[  403.435633]  ? check_preemption_disabled+0x48/0x200
[  403.441140] 0*4096kB 
[  403.443555]  ? __lock_is_held+0xb5/0x140
[  403.448538] = 13932kB
[  403.450944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.454988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  403.457390]  ? check_preemption_disabled+0x48/0x200
[  403.462905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  403.471734]  run_timer_softirq+0x52/0xb0
[  403.476719] 4507 total pagecache pages
[  403.485292]  ? rcu_read_lock_sched_held+0x108/0x120
[  403.489333] 0 pages in swap cache
[  403.493206]  __do_softirq+0x30b/0xad8
[  403.498200] Swap cache stats: add 0, delete 0, find 0/0
[  403.501651]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  403.505423] Free swap  = 0kB
[  403.510784]  ? pvclock_read_flags+0x160/0x160
[  403.515856] Total swap = 0kB
[  403.518869]  ? lapic_next_event+0x5a/0x90
[  403.523339] 1965979 pages RAM
[  403.526353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.530478] 0 pages HighMem/MovableOnly
[  403.533592]  ? check_preemption_disabled+0x48/0x200
[  403.539100] 342744 pages reserved
[  403.543079]  ? check_preemption_disabled+0x48/0x200
[  403.548060] 0 pages cma reserved
[  403.551517]  ? kvm_clock_read+0x18/0x30
[  403.556597] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.559876]  ? kvm_sched_clock_read+0x9/0x20
[  403.563893] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.570314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.574700] ksoftirqd/1 cpuset=
[  403.585008]  ? check_preemption_disabled+0x48/0x200
[  403.590522] /
[  403.593806]  irq_exit+0x17f/0x1c0
[  403.598791]  mems_allowed=0
[  403.600507]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.611680]  ? smp_reschedule_interrupt+0x109/0x650
[  403.616698]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.622585]  ? interrupt_entry+0xb5/0xf0
[  403.626766]  ? trace_hardirqs_off_caller+0xbb/0x300
[  403.631792]  ? trace_hardirqs_off_caller+0xbb/0x300
[  403.636815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.641661]  ? trace_hardirqs_off+0x300/0x300
[  403.646174]  ? trace_hardirqs_off+0x300/0x300
[  403.650676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.656216]  ? check_preemption_disabled+0x48/0x200
[  403.661234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.666789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.671646]  apic_timer_interrupt+0xf/0x20
[  403.675874]  </IRQ>
[  403.678119] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  403.683053] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  403.701952] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  403.709666] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  403.716934] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  403.724224] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  403.731490] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  403.738895] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  403.746206]  skb_clone+0x1bb/0x500
[  403.749752]  ? skb_split+0x11e0/0x11e0
[  403.753652]  ? preempt_notifier_register+0x200/0x200
[  403.758761]  ? __switch_to_asm+0x34/0x70
[  403.762830]  ? __switch_to_asm+0x34/0x70
[  403.766890]  ? __switch_to_asm+0x40/0x70
[  403.770957]  ? __switch_to_asm+0x34/0x70
[  403.775018]  ? __switch_to_asm+0x40/0x70
[  403.779081]  ? __switch_to_asm+0x40/0x70
[  403.783143]  ? __switch_to_asm+0x34/0x70
[  403.787204]  ? __switch_to_asm+0x34/0x70
[  403.791268]  ? __switch_to_asm+0x40/0x70
[  403.795327]  ? __switch_to_asm+0x34/0x70
[  403.799397]  bpf_clone_redirect+0xb9/0x490
[  403.803644]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  403.808667]  ? __sched_text_start+0x8/0x8
[  403.812828]  ? lockdep_hardirqs_on+0x421/0x5c0
[  403.817410]  ? retint_kernel+0x2d/0x2d
[  403.821302]  ? trace_hardirqs_on_caller+0xc0/0x300
[  403.826330]  ? find_held_lock+0x36/0x1c0
[  403.830403]  ? lock_acquire+0x1ed/0x520
[  403.834380]  ? bpf_test_run+0x32e/0x5a0
[  403.838357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.843918]  ? check_preemption_disabled+0x48/0x200
[  403.849041]  ? kasan_check_read+0x11/0x20
[  403.853199]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  403.858496]  ? rcu_bh_qs+0xc0/0xc0
[  403.862055]  ? preempt_schedule+0x4d/0x60
[  403.866205]  ? ___preempt_schedule+0x16/0x18
[  403.870630]  ? bpf_test_run+0x1c0/0x5a0
[  403.874619]  ? netlink_diag_dump+0x2a0/0x2a0
[  403.879032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.884570]  ? bpf_test_init.isra.9+0x70/0x100
[  403.889158]  ? bpf_prog_test_run_skb+0x634/0xb40
[  403.893923]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  403.898776]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  403.904317]  ? fput+0x130/0x1a0
[  403.907601]  ? __bpf_prog_get+0x9b/0x290
[  403.911686]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  403.916536]  ? bpf_prog_test_run+0x130/0x1a0
[  403.920950]  ? __x64_sys_bpf+0x3d8/0x510
[  403.925016]  ? bpf_prog_get+0x20/0x20
[  403.928828]  ? ksys_ioctl+0x81/0xd0
[  403.932469]  ? do_syscall_64+0x1b9/0x820
[  403.936543]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  403.941915]  ? syscall_return_slowpath+0x5e0/0x5e0
[  403.946844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.951692]  ? trace_hardirqs_off+0x300/0x300
[  403.956188]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  403.961208]  ? prepare_exit_to_usermode+0x291/0x3b0
[  403.966232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.971084]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  403.976467] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  403.976562] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.983320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.983329] Call Trace:
[  403.989898] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.999195]  dump_stack+0x1c4/0x2b4
[  404.001755] syz-executor0 cpuset=
[  404.012240]  ? dump_stack_print_info.cold.2+0x52/0x52
[  404.015845] syz0
[  404.019306]  warn_alloc.cold.118+0xb7/0x1bd
[  404.024464]  mems_allowed=0
[  404.026435]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.038486]  ? lock_downgrade+0x900/0x900
[  404.042655]  ? trace_hardirqs_off+0xb8/0x300
[  404.047071]  ? trace_hardirqs_off+0xb8/0x300
[  404.051489]  __alloc_pages_slowpath+0x2667/0x2d80
[  404.056373]  ? warn_alloc+0x120/0x120
[  404.060181]  ? warn_alloc+0x120/0x120
[  404.063986]  ? print_usage_bug+0xc0/0xc0
[  404.068055]  ? warn_alloc+0x120/0x120
[  404.071859]  ? print_usage_bug+0xc0/0xc0
[  404.075922]  ? __lock_acquire+0x7ec/0x4ec0
[  404.080165]  ? __lock_acquire+0x7ec/0x4ec0
[  404.084408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.089948]  ? should_fail+0x22d/0xd01
[  404.093846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.098950]  ? __lock_acquire+0x7ec/0x4ec0
[  404.103190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.108295]  ? __lock_acquire+0x7ec/0x4ec0
[  404.112538]  ? should_fail+0x22d/0xd01
[  404.116443]  ? mark_held_locks+0x130/0x130
[  404.120684]  ? mark_held_locks+0x130/0x130
[  404.124925]  ? graph_lock+0x170/0x170
[  404.128725]  ? graph_lock+0x170/0x170
[  404.132540]  ? graph_lock+0x170/0x170
[  404.136340]  ? print_usage_bug+0xc0/0xc0
[  404.140403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.145940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.151483]  ? check_preemption_disabled+0x48/0x200
[  404.156519]  ? check_preemption_disabled+0x48/0x200
[  404.161549]  ? __lock_is_held+0xb5/0x140
[  404.165619]  __alloc_pages_nodemask+0xa80/0xde0
[  404.170294]  ? graph_lock+0x170/0x170
[  404.174104]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  404.179121]  ? graph_lock+0x170/0x170
[  404.182935]  ? find_held_lock+0x36/0x1c0
[  404.187012]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.191684]  ? lock_downgrade+0x900/0x900
[  404.195842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.201386]  cache_grow_begin+0x91/0x8c0
[  404.205453]  ? do_raw_spin_unlock+0xa7/0x2f0
[  404.209874]  fallback_alloc+0x203/0x2e0
[  404.213860]  ____cache_alloc_node+0x1c7/0x1e0
[  404.218362]  kmem_cache_alloc_node+0xe3/0x730
[  404.222865]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.227112]  __alloc_skb+0x119/0x770
[  404.230831]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  404.236126]  ? skb_scrub_packet+0x490/0x490
[  404.240448]  ? lock_downgrade+0x900/0x900
[  404.244609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.250149]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.255609]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.261097]  ? addrconf_rs_timer+0x6f0/0x6f0
[  404.265531]  ndisc_alloc_skb+0x144/0x340
[  404.269602]  ndisc_send_rs+0x331/0x6e0
[  404.273511]  addrconf_rs_timer+0x3c0/0x6f0
[  404.277754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.282010]  call_timer_fn+0x272/0x920
[  404.285902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.290140]  ? process_timeout+0x40/0x40
[  404.294202]  ? find_held_lock+0x36/0x1c0
[  404.298279]  ? __run_timers+0x7da/0xc70
[  404.302258]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.306758]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.311256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.315508]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  404.320100]  ? trace_hardirqs_on+0xbd/0x310
[  404.324429]  ? kasan_check_read+0x11/0x20
[  404.328581]  ? __run_timers+0x7da/0xc70
[  404.332557]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.338014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.342256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.346496]  __run_timers+0x7e5/0xc70
[  404.350323]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  404.355688]  ? compat_start_thread+0x80/0x80
[  404.360118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.365664]  ? _raw_spin_unlock_irq+0x60/0x80
[  404.370339]  ? finish_task_switch+0x1f5/0x900
[  404.374868]  ? finish_task_switch+0x1b5/0x900
[  404.379367]  ? __switch_to_asm+0x34/0x70
[  404.383435]  ? preempt_notifier_register+0x200/0x200
[  404.388540]  ? __switch_to_asm+0x34/0x70
[  404.392603]  ? __switch_to_asm+0x40/0x70
[  404.396663]  ? __switch_to_asm+0x34/0x70
[  404.400723]  ? __switch_to_asm+0x40/0x70
[  404.404785]  ? __switch_to_asm+0x34/0x70
[  404.408844]  ? __switch_to_asm+0x40/0x70
[  404.412910]  ? __switch_to_asm+0x40/0x70
[  404.416981]  ? pvclock_read_flags+0x160/0x160
[  404.421480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.427521]  ? check_preemption_disabled+0x48/0x200
[  404.432579]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  404.437862]  ? rcu_pm_notify+0xc0/0xc0
[  404.441754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.447303]  ? check_preemption_disabled+0x48/0x200
[  404.452334]  run_timer_softirq+0x52/0xb0
[  404.456485]  ? rcu_read_lock_sched_held+0x108/0x120
[  404.461535]  __do_softirq+0x30b/0xad8
[  404.465353]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  404.470492]  ? trace_hardirqs_off_caller+0x300/0x300
[  404.475613]  ? schedule+0x108/0x460
[  404.479246]  ? __schedule+0x1ed0/0x1ed0
[  404.483252]  ? trace_hardirqs_off+0xb8/0x300
[  404.487672]  ? ___might_sleep+0x1ed/0x300
[  404.491829]  ? smpboot_thread_fn+0x68b/0xa00
[  404.496247]  ? trace_hardirqs_on+0x310/0x310
[  404.500665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.506209]  ? check_preemption_disabled+0x48/0x200
[  404.511225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.516766]  ? takeover_tasklets+0xa90/0xa90
[  404.521180]  run_ksoftirqd+0x94/0x100
[  404.524985]  smpboot_thread_fn+0x68b/0xa00
[  404.529225]  ? sort_range+0x30/0x30
[  404.532855]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.537959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.543509]  ? __kthread_parkme+0xfb/0x1a0
[  404.547753]  kthread+0x35a/0x420
[  404.551124]  ? sort_range+0x30/0x30
[  404.554753]  ? kthread_bind+0x40/0x40
[  404.558566]  ret_from_fork+0x3a/0x50
[  404.562312] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  404.562317] warn_alloc_show_mem: 1 callbacks suppressed
[  404.562325] Mem-Info:
[  404.569595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.574962] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  404.574962]  active_file:28 inactive_file:21 isolated_file:0
[  404.574962]  unevictable:0 dirty:0 writeback:0 unstable:0
[  404.574962]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  404.574962]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  404.574962]  free:13666 free_pcp:197 free_cma:0
[  404.577332] Call Trace:
[  404.586722] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  404.619738]  <IRQ>
[  404.622308] Node 0 
[  404.650152]  dump_stack+0x1c4/0x2b4
[  404.652302] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  404.654514]  ? dump_stack_print_info.cold.2+0x52/0x52
[  404.658119] lowmem_reserve[]:
[  404.683623]  warn_alloc.cold.118+0xb7/0x1bd
[  404.688782]  0
[  404.691880]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.696176]  2817
[  404.697973]  ? lock_downgrade+0x900/0x900
[  404.702788]  6321
[  404.704850]  ? trace_hardirqs_off+0xb8/0x300
[  404.708962]  6321
[  404.711036]  ? trace_hardirqs_off+0xb8/0x300
[  404.715416] Node 0 
[  404.717483]  __alloc_pages_slowpath+0x2667/0x2d80
[  404.721888] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  404.724123]  ? warn_alloc+0x120/0x120
[  404.728918] lowmem_reserve[]:
[  404.755629]  ? trace_hardirqs_on+0x310/0x310
[  404.759407]  0
[  404.762515]  ? warn_alloc+0x120/0x120
[  404.766898]  0
[  404.768694]  ? print_usage_bug+0xc0/0xc0
[  404.772472]  3503
[  404.774268]  ? warn_alloc+0x120/0x120
[  404.778326]  3503
[  404.780388]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  404.784165] Node 0 
[  404.786223]  ? print_usage_bug+0xc0/0xc0
[  404.791239] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  404.793443]  ? __lock_acquire+0x7ec/0x4ec0
[  404.797482] lowmem_reserve[]:
[  404.826024]  ? __lock_acquire+0x7ec/0x4ec0
[  404.830228]  0 0
[  404.833340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.837545]  0 0
[  404.839533]  ? should_fail+0x22d/0xd01
[  404.845055] Node 0 
[  404.847038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.850893] DMA: 1*4kB 
[  404.853132]  ? __lock_acquire+0x7ec/0x4ec0
[  404.858210] (U) 
[  404.860799]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.865014] 0*8kB 
[  404.867007]  ? __lock_acquire+0x7ec/0x4ec0
[  404.872136] 0*16kB 
[  404.874280]  ? should_fail+0x22d/0xd01
[  404.878493] 1*32kB (U) 
[  404.880739]  ? print_usage_bug+0xc0/0xc0
[  404.884603] 2*64kB 
[  404.887190]  ? mark_held_locks+0x130/0x130
[  404.891238] (U) 
[  404.893472]  ? mark_held_locks+0x130/0x130
[  404.897676] 1*128kB (U) 
[  404.899671]  ? graph_lock+0x170/0x170
[  404.903878] 1*256kB 
[  404.906550]  ? print_usage_bug+0xc0/0xc0
[  404.910324] (U) 
[  404.912646]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  404.916680] 0*512kB 
[  404.918652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.923385] 1*1024kB 
[  404.925706]  ? check_preemption_disabled+0x48/0x200
[  404.931213] (U) 
[  404.933623]  ? check_preemption_disabled+0x48/0x200
[  404.938606] 1*2048kB (M) 
[  404.940594]  ? __lock_is_held+0xb5/0x140
[  404.945573] 3*4096kB (M) 
[  404.948337]  __alloc_pages_nodemask+0xa80/0xde0
[  404.952368] = 15908kB
[  404.955151]  ? graph_lock+0x170/0x170
[  404.959795] Node 0 
[  404.962205]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  404.965976] DMA32: 2*4kB 
[  404.968217]  ? graph_lock+0x170/0x170
[  404.973210] (M) 
[  404.975972]  ? find_held_lock+0x36/0x1c0
[  404.979735] 0*8kB 3*16kB 
[  404.981723]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.985743] (M) 2*32kB 
[  404.988518]  ? lock_downgrade+0x900/0x900
[  404.993162] (UM) 
[  404.995745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.999865] 2*64kB 
[  405.001926]  cache_grow_begin+0x91/0x8c0
[  405.007439] (M) 
[  405.009678]  ? do_raw_spin_unlock+0xa7/0x2f0
[  405.013707] 4*128kB (UM) 
[  405.015694]  fallback_alloc+0x203/0x2e0
[  405.020075] 2*256kB 
[  405.022828]  ____cache_alloc_node+0x1c7/0x1e0
[  405.026783] (M) 
[  405.029103]  kmem_cache_alloc_node+0xe3/0x730
[  405.033574] 4*512kB 
[  405.035546]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.040016] (UM) 
[  405.042352]  __alloc_skb+0x119/0x770
[  405.046549] 3*1024kB (M) 
[  405.048623]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  405.052310] 3*2048kB 
[  405.055063]  ? skb_scrub_packet+0x490/0x490
[  405.060316] (UM) 
[  405.062720]  ? lock_downgrade+0x900/0x900
[  405.067015] 3*4096kB (M) 
[  405.069088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.073208] = 24824kB
[  405.075986]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.081495] Node 0 
[  405.083907]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.089326] Normal: 981*4kB 
[  405.091571]  ? addrconf_rs_timer+0x6f0/0x6f0
[  405.097010] (UMEH) 
[  405.100035]  ndisc_alloc_skb+0x144/0x340
[  405.104435] 521*8kB 
[  405.106669]  ndisc_send_rs+0x331/0x6e0
[  405.110801] (MEH) 
[  405.113120]  addrconf_rs_timer+0x3c0/0x6f0
[  405.116979] 165*16kB 
[  405.119126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.123331] (UMEH) 
[  405.125745]  call_timer_fn+0x272/0x920
[  405.129939] 24*32kB (MEH) 
[  405.132194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.136057] 4*64kB (MH) 
[  405.138902]  ? process_timeout+0x40/0x40
[  405.143114] 3*128kB 
[  405.145784]  ? find_held_lock+0x36/0x1c0
[  405.149813] (UH) 
[  405.152138]  ? __run_timers+0x7da/0xc70
[  405.156171] 1*256kB 
[  405.158229]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.162179] (U) 
[  405.164504]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.168978] 1*512kB 
[  405.170946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.175413] (U) 
[  405.177733]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  405.181943] 1*1024kB 
[  405.183917]  ? trace_hardirqs_on+0xbd/0x310
[  405.188472] (H) 
[  405.190881]  ? kasan_check_read+0x11/0x20
[  405.195169] 0*2048kB 0*4096kB 
[  405.197152]  ? __run_timers+0x7da/0xc70
[  405.201306] = 13932kB
[  405.204494]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  405.208458] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  405.210859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.216297] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  405.225122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.229334] 4507 total pagecache pages
[  405.237900]  __run_timers+0x7e5/0xc70
[  405.242121] 0 pages in swap cache
[  405.246002]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  405.249782] Swap cache stats: add 0, delete 0, find 0/0
[  405.253225]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.258567] Free swap  = 0kB
[  405.263923]  ? graph_lock+0x170/0x170
[  405.268918] Total swap = 0kB
[  405.271941]  ? enqueue_hrtimer+0x1a5/0x560
[  405.275734] 1965979 pages RAM
[  405.278746]  ? lock_release+0x970/0x970
[  405.282949] 0 pages HighMem/MovableOnly
[  405.282958] 342744 pages reserved
[  405.286058]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.290013] 0 pages cma reserved
[  405.293984]  ? find_held_lock+0x36/0x1c0
[  405.297767] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.302877]  ? graph_lock+0x170/0x170
[  405.306322] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.310281]  ? pvclock_read_flags+0x160/0x160
[  405.316758] ksoftirqd/1 cpuset=
[  405.320577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.330862] /
[  405.335352]  ? check_preemption_disabled+0x48/0x200
[  405.338610]  mems_allowed=0
[  405.344170]  ? __lock_is_held+0xb5/0x140
[  405.357871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.363414]  ? check_preemption_disabled+0x48/0x200
[  405.368449]  run_timer_softirq+0x52/0xb0
[  405.372522]  ? rcu_read_lock_sched_held+0x108/0x120
[  405.377543]  __do_softirq+0x30b/0xad8
[  405.381357]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  405.386469]  ? pvclock_read_flags+0x160/0x160
[  405.390971]  ? lapic_next_event+0x5a/0x90
[  405.395121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.400661]  ? check_preemption_disabled+0x48/0x200
[  405.405678]  ? check_preemption_disabled+0x48/0x200
[  405.410701]  ? kvm_clock_read+0x18/0x30
[  405.414675]  ? kvm_sched_clock_read+0x9/0x20
[  405.419094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.424639]  ? check_preemption_disabled+0x48/0x200
[  405.429891]  irq_exit+0x17f/0x1c0
[  405.433348]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.438192]  ? smp_reschedule_interrupt+0x109/0x650
[  405.443211]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.449135]  ? interrupt_entry+0xb5/0xf0
[  405.453199]  ? trace_hardirqs_off_caller+0xbb/0x300
[  405.458216]  ? trace_hardirqs_off_caller+0xbb/0x300
[  405.463235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.468108]  ? trace_hardirqs_off+0x300/0x300
[  405.472603]  ? trace_hardirqs_off+0x300/0x300
[  405.477102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.482649]  ? check_preemption_disabled+0x48/0x200
[  405.487670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.493222]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.498076]  apic_timer_interrupt+0xf/0x20
[  405.502310]  </IRQ>
[  405.504554] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  405.509485] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  405.528401] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  405.536111] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  405.543381] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  405.550651] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  405.557918] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  405.565190] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  405.572515]  skb_clone+0x1bb/0x500
[  405.576061]  ? skb_split+0x11e0/0x11e0
[  405.579958]  ? preempt_notifier_register+0x200/0x200
[  405.585065]  ? __switch_to_asm+0x34/0x70
[  405.589131]  ? __switch_to_asm+0x34/0x70
[  405.593193]  ? __switch_to_asm+0x40/0x70
[  405.597252]  ? __switch_to_asm+0x34/0x70
[  405.601315]  ? __switch_to_asm+0x40/0x70
[  405.605376]  ? __switch_to_asm+0x40/0x70
[  405.609436]  ? __switch_to_asm+0x34/0x70
[  405.613513]  ? __switch_to_asm+0x34/0x70
[  405.617575]  ? __switch_to_asm+0x40/0x70
[  405.621642]  ? __switch_to_asm+0x34/0x70
[  405.625714]  bpf_clone_redirect+0xb9/0x490
[  405.629960]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  405.634984]  ? __sched_text_start+0x8/0x8
[  405.639137]  ? lockdep_hardirqs_on+0x421/0x5c0
[  405.643720]  ? retint_kernel+0x2d/0x2d
[  405.647611]  ? trace_hardirqs_on_caller+0xc0/0x300
[  405.652546]  ? find_held_lock+0x36/0x1c0
[  405.656615]  ? lock_acquire+0x1ed/0x520
[  405.660593]  ? bpf_test_run+0x32e/0x5a0
[  405.664571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.670126]  ? check_preemption_disabled+0x48/0x200
[  405.675154]  ? kasan_check_read+0x11/0x20
[  405.679308]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  405.684589]  ? rcu_bh_qs+0xc0/0xc0
[  405.688137]  ? preempt_schedule+0x4d/0x60
[  405.692288]  ? ___preempt_schedule+0x16/0x18
[  405.696703]  ? bpf_test_run+0x1c0/0x5a0
[  405.700689]  ? netlink_diag_dump+0x2a0/0x2a0
[  405.705104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.710655]  ? bpf_test_init.isra.9+0x70/0x100
[  405.715243]  ? bpf_prog_test_run_skb+0x634/0xb40
[  405.720015]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  405.724857]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  405.730397]  ? fput+0x130/0x1a0
[  405.733682]  ? __bpf_prog_get+0x9b/0x290
[  405.737748]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  405.742596]  ? bpf_prog_test_run+0x130/0x1a0
[  405.747010]  ? __x64_sys_bpf+0x3d8/0x510
[  405.751074]  ? bpf_prog_get+0x20/0x20
[  405.754890]  ? ksys_ioctl+0x81/0xd0
[  405.758535]  ? do_syscall_64+0x1b9/0x820
[  405.762599]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  405.767966]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.772900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.777748]  ? trace_hardirqs_off+0x300/0x300
[  405.782249]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.787268]  ? prepare_exit_to_usermode+0x291/0x3b0
[  405.792295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.797149]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  405.802542] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  405.802623] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.809386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.809392] Call Trace:
[  405.809411]  dump_stack+0x1c4/0x2b4
[  405.809428]  ? dump_stack_print_info.cold.2+0x52/0x52
[  405.809454]  warn_alloc.cold.118+0xb7/0x1bd
[  405.816015] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.825283]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.827842] syz-executor0 cpuset=
[  405.831466]  ? lock_downgrade+0x900/0x900
[  405.836632] syz0
[  405.840952]  ? trace_hardirqs_off+0xb8/0x300
[  405.851410]  mems_allowed=0
[  405.856250]  ? trace_hardirqs_off+0xb8/0x300
[  405.877489]  __alloc_pages_slowpath+0x2667/0x2d80
[  405.882378]  ? warn_alloc+0x120/0x120
[  405.886185]  ? warn_alloc+0x120/0x120
[  405.890076]  ? print_usage_bug+0xc0/0xc0
[  405.894139]  ? warn_alloc+0x120/0x120
[  405.897949]  ? print_usage_bug+0xc0/0xc0
[  405.902015]  ? __lock_acquire+0x7ec/0x4ec0
[  405.906249]  ? __lock_acquire+0x7ec/0x4ec0
[  405.910505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.916045]  ? should_fail+0x22d/0xd01
[  405.919942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.925048]  ? __lock_acquire+0x7ec/0x4ec0
[  405.929293]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.934397]  ? __lock_acquire+0x7ec/0x4ec0
[  405.938631]  ? should_fail+0x22d/0xd01
[  405.942527]  ? print_usage_bug+0xc0/0xc0
[  405.946602]  ? mark_held_locks+0x130/0x130
[  405.950844]  ? mark_held_locks+0x130/0x130
[  405.955088]  ? graph_lock+0x170/0x170
[  405.958889]  ? print_usage_bug+0xc0/0xc0
[  405.962953]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  405.967714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.973253]  ? check_preemption_disabled+0x48/0x200
[  405.978281]  ? check_preemption_disabled+0x48/0x200
[  405.983313]  ? __lock_is_held+0xb5/0x140
[  405.987392]  __alloc_pages_nodemask+0xa80/0xde0
[  405.992063]  ? graph_lock+0x170/0x170
[  405.995875]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  406.000892]  ? graph_lock+0x170/0x170
[  406.004707]  ? find_held_lock+0x36/0x1c0
[  406.008783]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.013459]  ? lock_downgrade+0x900/0x900
[  406.017617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.023163]  cache_grow_begin+0x91/0x8c0
[  406.027233]  ? do_raw_spin_unlock+0xa7/0x2f0
[  406.031652]  fallback_alloc+0x203/0x2e0
[  406.035640]  ____cache_alloc_node+0x1c7/0x1e0
[  406.040146]  kmem_cache_alloc_node+0xe3/0x730
[  406.044649]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.048898]  __alloc_skb+0x119/0x770
[  406.052615]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  406.057904]  ? skb_scrub_packet+0x490/0x490
[  406.062226]  ? lock_downgrade+0x900/0x900
[  406.066384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.071926]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.077384]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.082837]  ? addrconf_rs_timer+0x6f0/0x6f0
[  406.087261]  ndisc_alloc_skb+0x144/0x340
[  406.091339]  ndisc_send_rs+0x331/0x6e0
[  406.095255]  addrconf_rs_timer+0x3c0/0x6f0
[  406.099514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.103767]  call_timer_fn+0x272/0x920
[  406.107655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.111897]  ? process_timeout+0x40/0x40
[  406.115959]  ? find_held_lock+0x36/0x1c0
[  406.120050]  ? __run_timers+0x7da/0xc70
[  406.124030]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.128535]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.133030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.137267]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  406.141860]  ? trace_hardirqs_on+0xbd/0x310
[  406.146189]  ? kasan_check_read+0x11/0x20
[  406.150341]  ? __run_timers+0x7da/0xc70
[  406.154320]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  406.159776]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.164019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.168254]  __run_timers+0x7e5/0xc70
[  406.172074]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  406.177442]  ? compat_start_thread+0x80/0x80
[  406.181857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.187401]  ? _raw_spin_unlock_irq+0x60/0x80
[  406.191910]  ? finish_task_switch+0x1f5/0x900
[  406.196405]  ? finish_task_switch+0x1b5/0x900
[  406.200901]  ? __switch_to_asm+0x34/0x70
[  406.204977]  ? preempt_notifier_register+0x200/0x200
[  406.210085]  ? __switch_to_asm+0x34/0x70
[  406.214146]  ? __switch_to_asm+0x40/0x70
[  406.218206]  ? __switch_to_asm+0x34/0x70
[  406.222269]  ? __switch_to_asm+0x40/0x70
[  406.226339]  ? __switch_to_asm+0x34/0x70
[  406.230404]  ? __switch_to_asm+0x40/0x70
[  406.234470]  ? __switch_to_asm+0x40/0x70
[  406.238550]  ? pvclock_read_flags+0x160/0x160
[  406.243052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.248596]  ? check_preemption_disabled+0x48/0x200
[  406.253627]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  406.258911]  ? rcu_pm_notify+0xc0/0xc0
[  406.262817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.268359]  ? check_preemption_disabled+0x48/0x200
[  406.273388]  run_timer_softirq+0x52/0xb0
[  406.277457]  ? rcu_read_lock_sched_held+0x108/0x120
[  406.282483]  __do_softirq+0x30b/0xad8
[  406.286311]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  406.291421]  ? trace_hardirqs_off_caller+0x300/0x300
[  406.296542]  ? schedule+0x108/0x460
[  406.300193]  ? __schedule+0x1ed0/0x1ed0
[  406.304177]  ? trace_hardirqs_off+0xb8/0x300
[  406.308588]  ? ___might_sleep+0x1ed/0x300
[  406.312733]  ? smpboot_thread_fn+0x68b/0xa00
[  406.317141]  ? trace_hardirqs_on+0x310/0x310
[  406.321553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.327094]  ? check_preemption_disabled+0x48/0x200
[  406.332110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.337651]  ? takeover_tasklets+0xa90/0xa90
[  406.342067]  run_ksoftirqd+0x94/0x100
[  406.345869]  smpboot_thread_fn+0x68b/0xa00
[  406.350112]  ? sort_range+0x30/0x30
[  406.353744]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  406.358854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.364393]  ? __kthread_parkme+0xfb/0x1a0
[  406.368636]  kthread+0x35a/0x420
[  406.372006]  ? sort_range+0x30/0x30
[  406.375644]  ? kthread_bind+0x40/0x40
[  406.379450]  ret_from_fork+0x3a/0x50
[  406.383179] warn_alloc_show_mem: 1 callbacks suppressed
[  406.383192] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  406.383193] Mem-Info:
[  406.383228] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  406.383228]  active_file:28 inactive_file:21 isolated_file:0
[  406.383228]  unevictable:0 dirty:0 writeback:0 unstable:0
[  406.383228]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  406.383228]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  406.383228]  free:13666 free_pcp:197 free_cma:0
[  406.388564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  406.395839] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  406.398236] Call Trace:
[  406.431279] Node 0 
[  406.440647]  <IRQ>
[  406.468509] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  406.471067]  dump_stack+0x1c4/0x2b4
[  406.473268] lowmem_reserve[]: 0
[  406.475423]  ? dump_stack_print_info.cold.2+0x52/0x52
[  406.500897]  2817 6321
[  406.504549]  warn_alloc.cold.118+0xb7/0x1bd
[  406.507812]  6321
[  406.513015]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.519832]  ? lock_downgrade+0x900/0x900
[  406.521871] Node 0 
[  406.526712]  ? trace_hardirqs_off+0xb8/0x300
[  406.530856] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  406.533068]  ? trace_hardirqs_off+0xb8/0x300
[  406.537442] lowmem_reserve[]: 0
[  406.564183]  __alloc_pages_slowpath+0x2667/0x2d80
[  406.568559]  0
[  406.571861]  ? warn_alloc+0x120/0x120
[  406.576650]  3503 3503
[  406.578457]  ? trace_hardirqs_on+0x310/0x310
[  406.582232] Node 0 
[  406.584722]  ? warn_alloc+0x120/0x120
[  406.589133] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  406.591343]  ? print_usage_bug+0xc0/0xc0
[  406.595111] lowmem_reserve[]: 0
[  406.623665]  ? warn_alloc+0x120/0x120
[  406.627706]  0
[  406.630984]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  406.634756]  0
[  406.636558]  ? print_usage_bug+0xc0/0xc0
[  406.641545]  0
[  406.643352]  ? __lock_acquire+0x7ec/0x4ec0
[  406.647414] Node 0 
[  406.649211]  ? __lock_acquire+0x7ec/0x4ec0
[  406.653419] DMA: 
[  406.655653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.659861] 1*4kB 
[  406.661937]  ? should_fail+0x22d/0xd01
[  406.667450] (U) 
[  406.669603]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.673471] 0*8kB 
[  406.675442]  ? __lock_acquire+0x7ec/0x4ec0
[  406.680532] 0*16kB 
[  406.682679]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.686894] 1*32kB 
[  406.689130]  ? __lock_acquire+0x7ec/0x4ec0
[  406.694207] (U) 
[  406.696439]  ? should_fail+0x22d/0xd01
[  406.700643] 2*64kB (U) 
[  406.702620]  ? print_usage_bug+0xc0/0xc0
[  406.706486] 1*128kB 
[  406.709081]  ? mark_held_locks+0x130/0x130
[  406.713112] (U) 
[  406.715431]  ? mark_held_locks+0x130/0x130
[  406.719664] 1*256kB 
[  406.721642]  ? graph_lock+0x170/0x170
[  406.725846] (U) 
[  406.728164]  ? print_usage_bug+0xc0/0xc0
[  406.731940] 0*512kB 
[  406.733914]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  406.737952] 1*1024kB 
[  406.740271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.744999] (U) 1*2048kB 
[  406.747420]  ? check_preemption_disabled+0x48/0x200
[  406.752947] (M) 
[  406.755702]  ? check_preemption_disabled+0x48/0x200
[  406.760689] 3*4096kB (M) 
[  406.762676]  ? __lock_is_held+0xb5/0x140
[  406.767659] = 15908kB
[  406.770417]  __alloc_pages_nodemask+0xa80/0xde0
[  406.774453] Node 0 
[  406.776854]  ? graph_lock+0x170/0x170
[  406.781510] DMA32: 
[  406.783745]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  406.787526] 2*4kB 
[  406.789755]  ? graph_lock+0x170/0x170
[  406.794741] (M) 0*8kB 
[  406.796911]  ? find_held_lock+0x36/0x1c0
[  406.800698] 3*16kB 
[  406.803197]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.807229] (M) 
[  406.809462]  ? lock_downgrade+0x900/0x900
[  406.814105] 2*32kB 
[  406.816082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.820204] (UM) 
[  406.822438]  cache_grow_begin+0x91/0x8c0
[  406.827974] 2*64kB 
[  406.830032]  ? do_raw_spin_unlock+0xa7/0x2f0
[  406.834066] (M) 
[  406.836304]  fallback_alloc+0x203/0x2e0
[  406.840687] 4*128kB 
[  406.842661]  ____cache_alloc_node+0x1c7/0x1e0
[  406.846607] (UM) 
[  406.848947]  kmem_cache_alloc_node+0xe3/0x730
[  406.853420] 2*256kB 
[  406.855483]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.859948] (M) 4*512kB 
[  406.862283]  __alloc_skb+0x119/0x770
[  406.866483] (UM) 3*1024kB 
[  406.869171]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  406.872860] (M) 
[  406.875702]  ? skb_scrub_packet+0x490/0x490
[  406.880948] 3*2048kB (UM) 
[  406.882934]  ? lock_downgrade+0x900/0x900
[  406.887229] 3*4096kB (M) 
[  406.890099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.894218] = 24824kB
[  406.896977]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.902491] Node 0 
[  406.904907]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.910322] Normal: 981*4kB 
[  406.912563]  ? addrconf_rs_timer+0x6f0/0x6f0
[  406.917987] (UMEH) 
[  406.921013]  ndisc_alloc_skb+0x144/0x340
[  406.925387] 521*8kB 
[  406.927624]  ndisc_send_rs+0x331/0x6e0
[  406.931668] (MEH) 
[  406.934007]  addrconf_rs_timer+0x3c0/0x6f0
[  406.937872] 165*16kB 
[  406.940024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.944233] (UMEH) 
[  406.946648]  call_timer_fn+0x272/0x920
[  406.950849] 24*32kB 
[  406.953080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.956944] (MEH) 
[  406.959272]  ? process_timeout+0x40/0x40
[  406.963484] 4*64kB (MH) 
[  406.965652]  ? find_held_lock+0x36/0x1c0
[  406.969687] 3*128kB 
[  406.972358]  ? __run_timers+0x7da/0xc70
[  406.976390] (UH) 1*256kB 
[  406.978718]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.982668] (U) 
[  406.985421]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.989892] 1*512kB 
[  406.991861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.996332] (U) 
[  406.998654]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  407.002862] 1*1024kB 
[  407.004832]  ? trace_hardirqs_on+0xbd/0x310
[  407.009392] (H) 
[  407.011803]  ? kasan_check_read+0x11/0x20
[  407.016095] 0*2048kB 0*4096kB 
[  407.018083]  ? __run_timers+0x7da/0xc70
[  407.022209] = 13932kB
[  407.025396]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.029354] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  407.031779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.037202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  407.046142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.050352] 4507 total pagecache pages
[  407.058919]  __run_timers+0x7e5/0xc70
[  407.063137] 0 pages in swap cache
[  407.067024]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  407.070793] Swap cache stats: add 0, delete 0, find 0/0
[  407.074240]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.079576] Free swap  = 0kB
[  407.084934]  ? graph_lock+0x170/0x170
[  407.089924] Total swap = 0kB
[  407.092933]  ? enqueue_hrtimer+0x1a5/0x560
[  407.096722] 1965979 pages RAM
[  407.099734]  ? lock_release+0x970/0x970
[  407.103966] 0 pages HighMem/MovableOnly
[  407.107067]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.111016] 342744 pages reserved
[  407.114984]  ? find_held_lock+0x36/0x1c0
[  407.120150] 0 pages cma reserved
[  407.123615]  ? graph_lock+0x170/0x170
[  407.127736] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.131012]  ? pvclock_read_flags+0x160/0x160
[  407.134884] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.141278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.145751] ksoftirqd/1 cpuset=
[  407.156067]  ? check_preemption_disabled+0x48/0x200
[  407.161577] /
[  407.164857]  ? __lock_is_held+0xb5/0x140
[  407.169855]  mems_allowed=0
[  407.171566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.184058]  ? check_preemption_disabled+0x48/0x200
[  407.189105]  run_timer_softirq+0x52/0xb0
[  407.193169]  ? rcu_read_lock_sched_held+0x108/0x120
[  407.198188]  __do_softirq+0x30b/0xad8
[  407.202005]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  407.207118]  ? pvclock_read_flags+0x160/0x160
[  407.211619]  ? lapic_next_event+0x5a/0x90
[  407.215780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.221324]  ? check_preemption_disabled+0x48/0x200
[  407.226342]  ? check_preemption_disabled+0x48/0x200
[  407.231365]  ? kvm_clock_read+0x18/0x30
[  407.235342]  ? kvm_sched_clock_read+0x9/0x20
[  407.239753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.245298]  ? check_preemption_disabled+0x48/0x200
[  407.250330]  irq_exit+0x17f/0x1c0
[  407.253795]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.258647]  ? smp_reschedule_interrupt+0x109/0x650
[  407.263673]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.269568]  ? interrupt_entry+0xb5/0xf0
[  407.273632]  ? trace_hardirqs_off_caller+0xbb/0x300
[  407.278649]  ? trace_hardirqs_off_caller+0xbb/0x300
[  407.283689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.288536]  ? trace_hardirqs_off+0x300/0x300
[  407.293036]  ? trace_hardirqs_off+0x300/0x300
[  407.298014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.303556]  ? check_preemption_disabled+0x48/0x200
[  407.308572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.314127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.318984]  apic_timer_interrupt+0xf/0x20
[  407.323214]  </IRQ>
[  407.325523] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  407.330469] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  407.349396] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  407.357123] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  407.364411] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  407.371680] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  407.378950] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  407.386224] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  407.393556]  skb_clone+0x1bb/0x500
[  407.397122]  ? skb_split+0x11e0/0x11e0
[  407.401019]  ? preempt_notifier_register+0x200/0x200
[  407.406126]  ? __switch_to_asm+0x34/0x70
[  407.410285]  ? __switch_to_asm+0x34/0x70
[  407.414350]  ? __switch_to_asm+0x40/0x70
[  407.418411]  ? __switch_to_asm+0x34/0x70
[  407.422563]  ? __switch_to_asm+0x40/0x70
[  407.426634]  ? __switch_to_asm+0x40/0x70
[  407.430958]  ? __switch_to_asm+0x34/0x70
[  407.435025]  ? __switch_to_asm+0x34/0x70
[  407.439086]  ? __switch_to_asm+0x40/0x70
[  407.443150]  ? __switch_to_asm+0x34/0x70
[  407.447225]  bpf_clone_redirect+0xb9/0x490
[  407.451473]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  407.456516]  ? __sched_text_start+0x8/0x8
[  407.460673]  ? lockdep_hardirqs_on+0x421/0x5c0
[  407.465258]  ? retint_kernel+0x2d/0x2d
[  407.469150]  ? trace_hardirqs_on_caller+0xc0/0x300
[  407.474083]  ? find_held_lock+0x36/0x1c0
[  407.478156]  ? lock_acquire+0x1ed/0x520
[  407.482137]  ? bpf_test_run+0x32e/0x5a0
[  407.486138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.491681]  ? check_preemption_disabled+0x48/0x200
[  407.496707]  ? kasan_check_read+0x11/0x20
[  407.500860]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  407.506142]  ? rcu_bh_qs+0xc0/0xc0
[  407.509686]  ? preempt_schedule+0x4d/0x60
[  407.513841]  ? ___preempt_schedule+0x16/0x18
[  407.518260]  ? bpf_test_run+0x1c0/0x5a0
[  407.522252]  ? netlink_diag_dump+0x2a0/0x2a0
[  407.526668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.532205]  ? bpf_test_init.isra.9+0x70/0x100
[  407.536813]  ? bpf_prog_test_run_skb+0x634/0xb40
[  407.541580]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  407.546422]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  407.551964]  ? fput+0x130/0x1a0
[  407.555247]  ? __bpf_prog_get+0x9b/0x290
[  407.559317]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  407.564185]  ? bpf_prog_test_run+0x130/0x1a0
[  407.568604]  ? __x64_sys_bpf+0x3d8/0x510
[  407.572667]  ? bpf_prog_get+0x20/0x20
[  407.576498]  ? ksys_ioctl+0x81/0xd0
[  407.580175]  ? do_syscall_64+0x1b9/0x820
[  407.584257]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  407.589629]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.594559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.599405]  ? trace_hardirqs_off+0x300/0x300
[  407.603908]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  407.608933]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.613958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.618820]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  407.624206] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  407.624288] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.631051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.631057] Call Trace:
[  407.631075]  dump_stack+0x1c4/0x2b4
[  407.631092]  ? dump_stack_print_info.cold.2+0x52/0x52
[  407.631119]  warn_alloc.cold.118+0xb7/0x1bd
[  407.637684] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.646971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.649534] syz-executor0 cpuset=
[  407.653156]  ? lock_downgrade+0x900/0x900
[  407.658322] syz0
[  407.662644]  ? trace_hardirqs_off+0xb8/0x300
[  407.673102]  mems_allowed=0
[  407.677939]  ? trace_hardirqs_off+0xb8/0x300
[  407.699199]  __alloc_pages_slowpath+0x2667/0x2d80
[  407.704078]  ? warn_alloc+0x120/0x120
[  407.707887]  ? warn_alloc+0x120/0x120
[  407.711694]  ? print_usage_bug+0xc0/0xc0
[  407.715764]  ? warn_alloc+0x120/0x120
[  407.719585]  ? print_usage_bug+0xc0/0xc0
[  407.723652]  ? __lock_acquire+0x7ec/0x4ec0
[  407.727892]  ? __lock_acquire+0x7ec/0x4ec0
[  407.732134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.737678]  ? should_fail+0x22d/0xd01
[  407.741576]  ? __lock_acquire+0x7ec/0x4ec0
[  407.745817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.750922]  ? __lock_acquire+0x7ec/0x4ec0
[  407.755165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.760267]  ? __lock_acquire+0x7ec/0x4ec0
[  407.764516]  ? should_fail+0x22d/0xd01
[  407.768417]  ? mark_held_locks+0x130/0x130
[  407.772659]  ? mark_held_locks+0x130/0x130
[  407.776908]  ? graph_lock+0x170/0x170
[  407.780711]  ? print_usage_bug+0xc0/0xc0
[  407.784777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.790318]  ? check_preemption_disabled+0x48/0x200
[  407.795336]  ? check_preemption_disabled+0x48/0x200
[  407.800370]  ? __lock_is_held+0xb5/0x140
[  407.804440]  __alloc_pages_nodemask+0xa80/0xde0
[  407.809111]  ? graph_lock+0x170/0x170
[  407.812921]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  407.817935]  ? graph_lock+0x170/0x170
[  407.821748]  ? find_held_lock+0x36/0x1c0
[  407.825910]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.830583]  ? lock_downgrade+0x900/0x900
[  407.834745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.840297]  cache_grow_begin+0x91/0x8c0
[  407.844364]  ? do_raw_spin_unlock+0xa7/0x2f0
[  407.848786]  fallback_alloc+0x203/0x2e0
[  407.852773]  ____cache_alloc_node+0x1c7/0x1e0
[  407.857284]  kmem_cache_alloc_node+0xe3/0x730
[  407.861789]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.866040]  __alloc_skb+0x119/0x770
[  407.869758]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  407.875039]  ? skb_scrub_packet+0x490/0x490
[  407.879380]  ? lock_downgrade+0x900/0x900
[  407.883544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.889087]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.894544]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.900000]  ? addrconf_rs_timer+0x6f0/0x6f0
[  407.904428]  ndisc_alloc_skb+0x144/0x340
[  407.908496]  ndisc_send_rs+0x331/0x6e0
[  407.912418]  addrconf_rs_timer+0x3c0/0x6f0
[  407.916666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.920918]  call_timer_fn+0x272/0x920
[  407.924830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.929069]  ? process_timeout+0x40/0x40
[  407.933131]  ? find_held_lock+0x36/0x1c0
[  407.937206]  ? __run_timers+0x7da/0xc70
[  407.941189]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.945689]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.950183]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.954421]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  407.959011]  ? trace_hardirqs_on+0xbd/0x310
[  407.963336]  ? kasan_check_read+0x11/0x20
[  407.967488]  ? __run_timers+0x7da/0xc70
[  407.971472]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.976946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.981186]  __run_timers+0x7e5/0xc70
[  407.985006]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  407.990373]  ? compat_start_thread+0x80/0x80
[  407.994789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.000336]  ? _raw_spin_unlock_irq+0x60/0x80
[  408.004835]  ? finish_task_switch+0x1f5/0x900
[  408.009333]  ? finish_task_switch+0x1b5/0x900
[  408.013851]  ? __switch_to_asm+0x34/0x70
[  408.017931]  ? preempt_notifier_register+0x200/0x200
[  408.023034]  ? __switch_to_asm+0x34/0x70
[  408.027096]  ? __switch_to_asm+0x40/0x70
[  408.031155]  ? __switch_to_asm+0x34/0x70
[  408.035218]  ? __switch_to_asm+0x40/0x70
[  408.039301]  ? __switch_to_asm+0x34/0x70
[  408.043408]  ? __switch_to_asm+0x40/0x70
[  408.047469]  ? __switch_to_asm+0x40/0x70
[  408.051548]  ? pvclock_read_flags+0x160/0x160
[  408.056045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.061761]  ? check_preemption_disabled+0x48/0x200
[  408.066793]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  408.072074]  ? rcu_pm_notify+0xc0/0xc0
[  408.075963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.081518]  ? check_preemption_disabled+0x48/0x200
[  408.086550]  run_timer_softirq+0x52/0xb0
[  408.090617]  ? rcu_read_lock_sched_held+0x108/0x120
[  408.095642]  __do_softirq+0x30b/0xad8
[  408.099458]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  408.104565]  ? trace_hardirqs_off_caller+0x300/0x300
[  408.109679]  ? schedule+0x108/0x460
[  408.113399]  ? __schedule+0x1ed0/0x1ed0
[  408.117382]  ? trace_hardirqs_off+0xb8/0x300
[  408.121797]  ? ___might_sleep+0x1ed/0x300
[  408.125946]  ? smpboot_thread_fn+0x68b/0xa00
[  408.130362]  ? trace_hardirqs_on+0x310/0x310
[  408.134772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.140346]  ? check_preemption_disabled+0x48/0x200
[  408.145364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.150908]  ? takeover_tasklets+0xa90/0xa90
[  408.155326]  run_ksoftirqd+0x94/0x100
[  408.159131]  smpboot_thread_fn+0x68b/0xa00
[  408.163377]  ? sort_range+0x30/0x30
[  408.167006]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  408.172112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.177651]  ? __kthread_parkme+0xfb/0x1a0
[  408.181894]  kthread+0x35a/0x420
[  408.185261]  ? sort_range+0x30/0x30
[  408.188897]  ? kthread_bind+0x40/0x40
[  408.192726]  ret_from_fork+0x3a/0x50
[  408.196463] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  408.196468] warn_alloc_show_mem: 1 callbacks suppressed
[  408.196475] Mem-Info:
[  408.203758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.203767] Call Trace:
[  408.209144] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  408.209144]  active_file:28 inactive_file:21 isolated_file:0
[  408.209144]  unevictable:0 dirty:0 writeback:0 unstable:0
[  408.209144]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  408.209144]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  408.209144]  free:13666 free_pcp:197 free_cma:0
[  408.211525]  <IRQ>
[  408.220887] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  408.223468]  dump_stack+0x1c4/0x2b4
[  408.256509] Node 0 
[  408.258663]  ? dump_stack_print_info.cold.2+0x52/0x52
[  408.286517] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  408.290145]  warn_alloc.cold.118+0xb7/0x1bd
[  408.292341] lowmem_reserve[]: 0
[  408.297539]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.323178]  2817
[  408.327495]  ? lock_downgrade+0x900/0x900
[  408.330749]  6321 6321
[  408.335612]  ? trace_hardirqs_off+0xb8/0x300
[  408.337651] Node 0 
[  408.341800]  ? trace_hardirqs_off+0xb8/0x300
[  408.344304] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  408.348681]  __alloc_pages_slowpath+0x2667/0x2d80
[  408.350890] lowmem_reserve[]:
[  408.355318]  ? warn_alloc+0x120/0x120
[  408.382017]  0
[  408.386866]  ? trace_hardirqs_on+0x310/0x310
[  408.390035]  0
[  408.393832]  ? warn_alloc+0x120/0x120
[  408.395610]  3503
[  408.400035]  ? print_usage_bug+0xc0/0xc0
[  408.401815]  3503
[  408.405608]  ? warn_alloc+0x120/0x120
[  408.411726]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.413763] Node 0 
[  408.417569]  ? print_usage_bug+0xc0/0xc0
[  408.422604] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  408.424819]  ? __lock_acquire+0x7ec/0x4ec0
[  408.429323] lowmem_reserve[]:
[  408.457862]  ? __lock_acquire+0x7ec/0x4ec0
[  408.462070]  0
[  408.465171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.469387]  0
[  408.471186]  ? should_fail+0x22d/0xd01
[  408.477055]  0 0
[  408.478866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.484712]  ? __lock_acquire+0x7ec/0x4ec0
[  408.489791] Node 0 DMA: 
[  408.494023]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.494039]  ? __lock_acquire+0x7ec/0x4ec0
[  408.496694] 1*4kB 
[  408.501796]  ? should_fail+0x22d/0xd01
[  408.506009] (U) 
[  408.508157]  ? print_usage_bug+0xc0/0xc0
[  408.512020] 0*8kB 
[  408.514012]  ? mark_held_locks+0x130/0x130
[  408.518047] 0*16kB 
[  408.520192]  ? mark_held_locks+0x130/0x130
[  408.524415] 1*32kB 
[  408.526654]  ? graph_lock+0x170/0x170
[  408.530860] (U) 
[  408.533094]  ? print_usage_bug+0xc0/0xc0
[  408.536875] 2*64kB 
[  408.538850]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  408.542886] (U) 
[  408.545137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.549863] 1*128kB (U) 
[  408.551935]  ? check_preemption_disabled+0x48/0x200
[  408.557446] 1*256kB 
[  408.560129]  ? check_preemption_disabled+0x48/0x200
[  408.565118] (U) 
[  408.567443]  ? __lock_is_held+0xb5/0x140
[  408.572448] 0*512kB 
[  408.574426]  __alloc_pages_nodemask+0xa80/0xde0
[  408.578462] 1*1024kB 
[  408.580784]  ? graph_lock+0x170/0x170
[  408.585425] (U) 
[  408.587831]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  408.591697] 1*2048kB 
[  408.593668]  ? graph_lock+0x170/0x170
[  408.598676] (M) 
[  408.601106]  ? find_held_lock+0x36/0x1c0
[  408.604876] 3*4096kB 
[  408.606852]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.610887] (M) 
[  408.613295]  ? lock_downgrade+0x900/0x900
[  408.617941] = 15908kB
[  408.619915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.624035] Node 0 
[  408.626444]  cache_grow_begin+0x91/0x8c0
[  408.631957] DMA32: 
[  408.634210]  ? do_raw_spin_unlock+0xa7/0x2f0
[  408.638246] 2*4kB 
[  408.640675]  fallback_alloc+0x203/0x2e0
[  408.645057] (M) 
[  408.647215]  ____cache_alloc_node+0x1c7/0x1e0
[  408.651157] 0*8kB 3*16kB 
[  408.653143]  kmem_cache_alloc_node+0xe3/0x730
[  408.657626] (M) 
[  408.660383]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.664852] 2*32kB 
[  408.666833]  __alloc_skb+0x119/0x770
[  408.671037] (UM) 
[  408.673274]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  408.676965] 2*64kB 
[  408.679025]  ? skb_scrub_packet+0x490/0x490
[  408.684279] (M) 
[  408.686518]  ? lock_downgrade+0x900/0x900
[  408.690819] 4*128kB 
[  408.692801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.696920] (UM) 
[  408.699238]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.704744] 2*256kB (M) 
[  408.706821]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.712246] 4*512kB 
[  408.714910]  ? addrconf_rs_timer+0x6f0/0x6f0
[  408.720332] (UM) 
[  408.722658]  ndisc_alloc_skb+0x144/0x340
[  408.727033] 3*1024kB 
[  408.729095]  ndisc_send_rs+0x331/0x6e0
[  408.733133] (M) 
[  408.735545]  addrconf_rs_timer+0x3c0/0x6f0
[  408.739409] 3*2048kB 
[  408.741385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.745611] (UM) 
[  408.748028]  call_timer_fn+0x272/0x920
[  408.752222] 3*4096kB (M) 
[  408.754296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.758159] = 24824kB
[  408.760914]  ? process_timeout+0x40/0x40
[  408.765123] Node 0 
[  408.767536]  ? find_held_lock+0x36/0x1c0
[  408.771576] Normal: 
[  408.773811]  ? __run_timers+0x7da/0xc70
[  408.777845] 981*4kB 
[  408.780163]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.784134] (UMEH) 
[  408.786457]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.790923] 521*8kB (MEH) 
[  408.793161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.797642] 165*16kB 
[  408.800483]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  408.804691] (UMEH) 
[  408.807095]  ? trace_hardirqs_on+0xbd/0x310
[  408.811649] 24*32kB (MEH) 
[  408.813897]  ? kasan_check_read+0x11/0x20
[  408.818191] 4*64kB 
[  408.821029]  ? __run_timers+0x7da/0xc70
[  408.825150] (MH) 
[  408.827391]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  408.831427] 3*128kB 
[  408.833487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.838915] (UH) 
[  408.841237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.845445] 1*256kB (U) 
[  408.847519]  __run_timers+0x7e5/0xc70
[  408.851774] 1*512kB 
[  408.854477]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  408.858242] (U) 
[  408.860571]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.865904] 1*1024kB (H) 
[  408.867881]  ? graph_lock+0x170/0x170
[  408.872872] 0*2048kB 
[  408.875622]  ? enqueue_hrtimer+0x1a5/0x560
[  408.879401] 0*4096kB 
[  408.881809]  ? lock_release+0x970/0x970
[  408.886021] = 13932kB
[  408.888432]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.892389] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  408.894877]  ? find_held_lock+0x36/0x1c0
[  408.900059] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  408.900068] 4507 total pagecache pages
[  408.908902]  ? graph_lock+0x170/0x170
[  408.912960] 0 pages in swap cache
[  408.921527]  ? pvclock_read_flags+0x160/0x160
[  408.925396] Swap cache stats: add 0, delete 0, find 0/0
[  408.929193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.932624] Free swap  = 0kB
[  408.937118]  ? check_preemption_disabled+0x48/0x200
[  408.942458] Total swap = 0kB
[  408.947996]  ? __lock_is_held+0xb5/0x140
[  408.950983] 1965979 pages RAM
[  408.956003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.958999] 0 pages HighMem/MovableOnly
[  408.963055]  ? check_preemption_disabled+0x48/0x200
[  408.966133] 342744 pages reserved
[  408.966141] 0 pages cma reserved
[  408.971686]  run_timer_softirq+0x52/0xb0
[  408.975735] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.980643]  ? rcu_read_lock_sched_held+0x108/0x120
[  408.984139] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.987557]  __do_softirq+0x30b/0xad8
[  408.991593] ksoftirqd/1 cpuset=
[  408.998088]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  409.003076] /
[  409.013393]  ? pvclock_read_flags+0x160/0x160
[  409.017171]  mems_allowed=0
[  409.020444]  ? lapic_next_event+0x5a/0x90
[  409.038790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.044335]  ? check_preemption_disabled+0x48/0x200
[  409.049467]  ? check_preemption_disabled+0x48/0x200
[  409.054499]  ? kvm_clock_read+0x18/0x30
[  409.058491]  ? kvm_sched_clock_read+0x9/0x20
[  409.062912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.068459]  ? check_preemption_disabled+0x48/0x200
[  409.073489]  irq_exit+0x17f/0x1c0
[  409.076972]  smp_apic_timer_interrupt+0x1cb/0x760
[  409.081816]  ? smp_reschedule_interrupt+0x109/0x650
[  409.086842]  ? smp_call_function_single_interrupt+0x650/0x650
[  409.092736]  ? interrupt_entry+0xb5/0xf0
[  409.096806]  ? trace_hardirqs_off_caller+0xbb/0x300
[  409.101826]  ? trace_hardirqs_off_caller+0xbb/0x300
[  409.106869]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.111732]  ? trace_hardirqs_off+0x300/0x300
[  409.116232]  ? trace_hardirqs_off+0x300/0x300
[  409.120728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.126267]  ? check_preemption_disabled+0x48/0x200
[  409.131283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.136848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.141700]  apic_timer_interrupt+0xf/0x20
[  409.145933]  </IRQ>
[  409.148173] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  409.153125] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  409.172028] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  409.179739] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  409.187013] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  409.194280] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  409.201553] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  409.208824] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  409.216146]  skb_clone+0x1bb/0x500
[  409.219691]  ? skb_split+0x11e0/0x11e0
[  409.223593]  ? preempt_notifier_register+0x200/0x200
[  409.228698]  ? __switch_to_asm+0x34/0x70
[  409.232764]  ? __switch_to_asm+0x34/0x70
[  409.236836]  ? __switch_to_asm+0x40/0x70
[  409.240896]  ? __switch_to_asm+0x34/0x70
[  409.244957]  ? __switch_to_asm+0x40/0x70
[  409.249805]  ? __switch_to_asm+0x40/0x70
[  409.253867]  ? __switch_to_asm+0x34/0x70
[  409.257930]  ? __switch_to_asm+0x34/0x70
[  409.261991]  ? __switch_to_asm+0x40/0x70
[  409.266051]  ? __switch_to_asm+0x34/0x70
[  409.270124]  bpf_clone_redirect+0xb9/0x490
[  409.274375]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  409.279405]  ? __sched_text_start+0x8/0x8
[  409.283563]  ? lockdep_hardirqs_on+0x421/0x5c0
[  409.288159]  ? retint_kernel+0x2d/0x2d
[  409.292055]  ? trace_hardirqs_on_caller+0xc0/0x300
[  409.297518]  ? find_held_lock+0x36/0x1c0
[  409.301592]  ? lock_acquire+0x1ed/0x520
[  409.305570]  ? bpf_test_run+0x32e/0x5a0
[  409.309551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.315094]  ? check_preemption_disabled+0x48/0x200
[  409.320140]  ? kasan_check_read+0x11/0x20
[  409.324292]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  409.329576]  ? rcu_bh_qs+0xc0/0xc0
[  409.333127]  ? preempt_schedule+0x4d/0x60
[  409.337276]  ? ___preempt_schedule+0x16/0x18
[  409.341699]  ? bpf_test_run+0x1c0/0x5a0
[  409.345685]  ? netlink_diag_dump+0x2a0/0x2a0
[  409.350109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.355664]  ? bpf_test_init.isra.9+0x70/0x100
[  409.360271]  ? bpf_prog_test_run_skb+0x634/0xb40
[  409.365735]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  409.370582]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  409.376118]  ? fput+0x130/0x1a0
[  409.379404]  ? __bpf_prog_get+0x9b/0x290
[  409.383473]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  409.388323]  ? bpf_prog_test_run+0x130/0x1a0
[  409.392746]  ? __x64_sys_bpf+0x3d8/0x510
[  409.396815]  ? bpf_prog_get+0x20/0x20
[  409.400626]  ? ksys_ioctl+0x81/0xd0
[  409.404266]  ? do_syscall_64+0x1b9/0x820
[  409.408333]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  409.413875]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.418808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.423655]  ? trace_hardirqs_off+0x300/0x300
[  409.429281]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  409.434307]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.439336]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.444196]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  409.449617] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  409.449699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  409.456460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.456465] Call Trace:
[  409.456484]  dump_stack+0x1c4/0x2b4
[  409.456511]  ? dump_stack_print_info.cold.2+0x52/0x52
[  409.456538]  warn_alloc.cold.118+0xb7/0x1bd
[  409.463078] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.472369]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.474933] syz-executor0 cpuset=
[  409.478559]  ? lock_downgrade+0x900/0x900
[  409.483724] syz0
[  409.488041]  ? trace_hardirqs_off+0xb8/0x300
[  409.498531]  mems_allowed=0
[  409.503376]  ? trace_hardirqs_off+0xb8/0x300
[  409.524662]  __alloc_pages_slowpath+0x2667/0x2d80
[  409.529567]  ? warn_alloc+0x120/0x120
[  409.533386]  ? warn_alloc+0x120/0x120
[  409.537198]  ? print_usage_bug+0xc0/0xc0
[  409.541352]  ? warn_alloc+0x120/0x120
[  409.545162]  ? print_usage_bug+0xc0/0xc0
[  409.549233]  ? __lock_acquire+0x7ec/0x4ec0
[  409.553477]  ? __lock_acquire+0x7ec/0x4ec0
[  409.557726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.563288]  ? should_fail+0x22d/0xd01
[  409.567184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.572296]  ? __lock_acquire+0x7ec/0x4ec0
[  409.576550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.581657]  ? __lock_acquire+0x7ec/0x4ec0
[  409.585894]  ? should_fail+0x22d/0xd01
[  409.589799]  ? mark_held_locks+0x130/0x130
[  409.594042]  ? mark_held_locks+0x130/0x130
[  409.598283]  ? graph_lock+0x170/0x170
[  409.602095]  ? graph_lock+0x170/0x170
[  409.605940]  ? graph_lock+0x170/0x170
[  409.609746]  ? print_usage_bug+0xc0/0xc0
[  409.613811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.619353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.624897]  ? check_preemption_disabled+0x48/0x200
[  409.629921]  ? check_preemption_disabled+0x48/0x200
[  409.634954]  ? __lock_is_held+0xb5/0x140
[  409.639035]  __alloc_pages_nodemask+0xa80/0xde0
[  409.643709]  ? graph_lock+0x170/0x170
[  409.647526]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  409.652548]  ? graph_lock+0x170/0x170
[  409.656363]  ? find_held_lock+0x36/0x1c0
[  409.660441]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.665133]  ? lock_downgrade+0x900/0x900
[  409.669297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.674848]  cache_grow_begin+0x91/0x8c0
[  409.678914]  ? do_raw_spin_unlock+0xa7/0x2f0
[  409.683348]  fallback_alloc+0x203/0x2e0
[  409.687352]  ____cache_alloc_node+0x1c7/0x1e0
[  409.691864]  kmem_cache_alloc_node+0xe3/0x730
[  409.696388]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.700645]  __alloc_skb+0x119/0x770
[  409.704366]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  409.709650]  ? skb_scrub_packet+0x490/0x490
[  409.713972]  ? lock_downgrade+0x900/0x900
[  409.718130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.723675]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.729141]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  409.734595]  ? addrconf_rs_timer+0x6f0/0x6f0
[  409.739021]  ndisc_alloc_skb+0x144/0x340
[  409.743089]  ndisc_send_rs+0x331/0x6e0
[  409.746987]  addrconf_rs_timer+0x3c0/0x6f0
[  409.751232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.755484]  call_timer_fn+0x272/0x920
[  409.759390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.763630]  ? process_timeout+0x40/0x40
[  409.767708]  ? find_held_lock+0x36/0x1c0
[  409.771787]  ? __run_timers+0x7da/0xc70
[  409.775778]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.780284]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.784779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.789017]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  409.793605]  ? trace_hardirqs_on+0xbd/0x310
[  409.797931]  ? kasan_check_read+0x11/0x20
[  409.802083]  ? __run_timers+0x7da/0xc70
[  409.806065]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.811531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.815775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.820013]  __run_timers+0x7e5/0xc70
[  409.823835]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  409.829198]  ? compat_start_thread+0x80/0x80
[  409.833612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.839167]  ? _raw_spin_unlock_irq+0x60/0x80
[  409.843670]  ? finish_task_switch+0x1f5/0x900
[  409.848168]  ? finish_task_switch+0x1b5/0x900
[  409.852663]  ? __switch_to_asm+0x34/0x70
[  409.856729]  ? preempt_notifier_register+0x200/0x200
[  409.861837]  ? __switch_to_asm+0x34/0x70
[  409.865896]  ? __switch_to_asm+0x40/0x70
[  409.869965]  ? __switch_to_asm+0x34/0x70
[  409.874025]  ? __switch_to_asm+0x40/0x70
[  409.878088]  ? __switch_to_asm+0x34/0x70
[  409.882151]  ? __switch_to_asm+0x40/0x70
[  409.886216]  ? __switch_to_asm+0x40/0x70
[  409.890292]  ? pvclock_read_flags+0x160/0x160
[  409.894789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.900333]  ? check_preemption_disabled+0x48/0x200
[  409.905363]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  409.910646]  ? rcu_pm_notify+0xc0/0xc0
[  409.914544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.920084]  ? check_preemption_disabled+0x48/0x200
[  409.925111]  run_timer_softirq+0x52/0xb0
[  409.929173]  ? rcu_read_lock_sched_held+0x108/0x120
[  409.934194]  __do_softirq+0x30b/0xad8
[  409.938026]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  409.943132]  ? trace_hardirqs_off_caller+0x300/0x300
[  409.948244]  ? schedule+0x108/0x460
[  409.951880]  ? __schedule+0x1ed0/0x1ed0
[  409.955862]  ? trace_hardirqs_off+0xb8/0x300
[  409.960280]  ? ___might_sleep+0x1ed/0x300
[  409.964427]  ? smpboot_thread_fn+0x68b/0xa00
[  409.968840]  ? trace_hardirqs_on+0x310/0x310
[  409.973259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.978820]  ? check_preemption_disabled+0x48/0x200
[  409.983838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.989398]  ? takeover_tasklets+0xa90/0xa90
[  409.993814]  run_ksoftirqd+0x94/0x100
[  409.997620]  smpboot_thread_fn+0x68b/0xa00
[  410.001860]  ? sort_range+0x30/0x30
[  410.005490]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  410.010601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.016139]  ? __kthread_parkme+0xfb/0x1a0
[  410.020384]  kthread+0x35a/0x420
[  410.023753]  ? sort_range+0x30/0x30
[  410.027384]  ? kthread_bind+0x40/0x40
[  410.031209]  ret_from_fork+0x3a/0x50
[  410.034949] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  410.034954] warn_alloc_show_mem: 1 callbacks suppressed
[  410.034961] Mem-Info:
[  410.042235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.047604] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  410.047604]  active_file:28 inactive_file:21 isolated_file:0
[  410.047604]  unevictable:0 dirty:0 writeback:0 unstable:0
[  410.047604]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  410.047604]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  410.047604]  free:13666 free_pcp:197 free_cma:0
[  410.049978] Call Trace:
[  410.059368] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  410.092392]  <IRQ>
[  410.094964] Node 0 
[  410.122813]  dump_stack+0x1c4/0x2b4
[  410.124961] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  410.127177]  ? dump_stack_print_info.cold.2+0x52/0x52
[  410.130785] lowmem_reserve[]:
[  410.156292]  warn_alloc.cold.118+0xb7/0x1bd
[  410.161455]  0
[  410.164554]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.168850]  2817
[  410.170648]  ? lock_downgrade+0x900/0x900
[  410.175469]  6321
[  410.177542]  ? trace_hardirqs_off+0xb8/0x300
[  410.181659]  6321
[  410.183720]  ? trace_hardirqs_off+0xb8/0x300
[  410.190165]  __alloc_pages_slowpath+0x2667/0x2d80
[  410.194546] Node 0 DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  410.199415]  ? warn_alloc+0x120/0x120
[  410.199435]  ? warn_alloc+0x120/0x120
[  410.226747] lowmem_reserve[]:
[  410.230558]  ? print_usage_bug+0xc0/0xc0
[  410.234324]  0
[  410.237425]  ? warn_alloc+0x120/0x120
[  410.241463]  0
[  410.243265]  ? print_usage_bug+0xc0/0xc0
[  410.247043]  3503
[  410.248839]  ? __lock_acquire+0x7ec/0x4ec0
[  410.252874]  3503
[  410.254930]  ? __lock_acquire+0x7ec/0x4ec0
[  410.261203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.265411] Node 0 
[  410.270941]  ? should_fail+0x22d/0xd01
[  410.270973] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  410.270980] lowmem_reserve[]:
[  410.273215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.277069]  0 0
[  410.305818]  ? __lock_acquire+0x7ec/0x4ec0
[  410.308900]  0
[  410.313997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.315947]  0
[  410.320176]  ? __lock_acquire+0x7ec/0x4ec0
[  410.327064]  ? should_fail+0x22d/0xd01
[  410.328850] Node 0 
[  410.333114]  ? mark_held_locks+0x130/0x130
[  410.337056] DMA: 
[  410.339306]  ? mark_held_locks+0x130/0x130
[  410.343527] 1*4kB 
[  410.345629]  ? graph_lock+0x170/0x170
[  410.349927] (U) 
[  410.352068]  ? graph_lock+0x170/0x170
[  410.355849] 0*8kB 
[  410.357818]  ? graph_lock+0x170/0x170
[  410.361609] 0*16kB 
[  410.363753]  ? print_usage_bug+0xc0/0xc0
[  410.367535] 1*32kB 
[  410.369767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.373799] (U) 
[  410.376035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.381551] 2*64kB 
[  410.383539]  ? check_preemption_disabled+0x48/0x200
[  410.389051] (U) 
[  410.391289]  ? check_preemption_disabled+0x48/0x200
[  410.396282] 1*128kB 
[  410.398264]  ? __lock_is_held+0xb5/0x140
[  410.403245] (U) 
[  410.405569]  __alloc_pages_nodemask+0xa80/0xde0
[  410.409603] 1*256kB 
[  410.411572]  ? graph_lock+0x170/0x170
[  410.416218] (U) 
[  410.418545]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  410.422321] 0*512kB 
[  410.424288]  ? graph_lock+0x170/0x170
[  410.424313]  ? find_held_lock+0x36/0x1c0
[  410.429306] 1*1024kB 
[  410.431633]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.435401] (U) 
[  410.439465]  ? lock_downgrade+0x900/0x900
[  410.441849] 1*2048kB (M) 
[  410.446532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.448486] 3*4096kB 
[  410.452637]  cache_grow_begin+0x91/0x8c0
[  410.455373] (M) 
[  410.460906]  ? do_raw_spin_unlock+0xa7/0x2f0
[  410.463300] = 15908kB
[  410.467360]  fallback_alloc+0x203/0x2e0
[  410.469308] Node 0 
[  410.473712]  ____cache_alloc_node+0x1c7/0x1e0
[  410.476092] DMA32: 2*4kB 
[  410.480072]  kmem_cache_alloc_node+0xe3/0x730
[  410.482287] (M) 
[  410.486788]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.489531] 0*8kB 
[  410.494027]  __alloc_skb+0x119/0x770
[  410.495978] 3*16kB 
[  410.500208]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  410.502334] (M) 
[  410.506042]  ? skb_scrub_packet+0x490/0x490
[  410.508249] 2*32kB (UM) 
[  410.513540]  ? lock_downgrade+0x900/0x900
[  410.515516] 2*64kB 
[  410.519834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.522478] (M) 
[  410.526627]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.528834] 4*128kB (UM) 
[  410.534372]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.536335] 2*256kB 
[  410.541784]  ? addrconf_rs_timer+0x6f0/0x6f0
[  410.544510] (M) 4*512kB 
[  410.549971]  ndisc_alloc_skb+0x144/0x340
[  410.552262] (UM) 
[  410.556670]  ndisc_send_rs+0x331/0x6e0
[  410.559317] 3*1024kB 
[  410.563379]  addrconf_rs_timer+0x3c0/0x6f0
[  410.565423] (M) 
[  410.569309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.571694] 3*2048kB 
[  410.575933]  call_timer_fn+0x272/0x920
[  410.577876] (UM) 
[  410.582105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.584492] 3*4096kB 
[  410.588385]  ? process_timeout+0x40/0x40
[  410.590426] (M) 
[  410.594656]  ? find_held_lock+0x36/0x1c0
[  410.597042] = 24824kB
[  410.601100]  ? __run_timers+0x7da/0xc70
[  410.603046] Node 0 
[  410.607103]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.609491] Normal: 
[  410.613467]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.615681] 981*4kB 
[  410.620175]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.622472] (UMEH) 
[  410.626961]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  410.629260] 521*8kB 
[  410.633489]  ? trace_hardirqs_on+0xbd/0x310
[  410.635706] (MEH) 
[  410.640287]  ? kasan_check_read+0x11/0x20
[  410.642590] 165*16kB 
[  410.646906]  ? __run_timers+0x7da/0xc70
[  410.649032] (UMEH) 
[  410.653177]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  410.655566] 24*32kB 
[  410.659543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.661752] (MEH) 
[  410.667204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.669508] 4*64kB 
[  410.673739]  __run_timers+0x7e5/0xc70
[  410.675866] (MH) 
[  410.680103]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  410.682301] 3*128kB (UH) 1*256kB 
[  410.686133]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.688174] (U) 
[  410.693544]  ? graph_lock+0x170/0x170
[  410.696976] 1*512kB 
[  410.701985]  ? enqueue_hrtimer+0x1a5/0x560
[  410.703935] (U) 
[  410.707729]  ? lock_release+0x970/0x970
[  410.710026] 1*1024kB (H) 
[  410.714266]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.716222] 0*2048kB 
[  410.720223]  ? find_held_lock+0x36/0x1c0
[  410.722954] 0*4096kB 
[  410.728136]  ? graph_lock+0x170/0x170
[  410.730527] = 13932kB
[  410.734583]  ? pvclock_read_flags+0x160/0x160
[  410.736976] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  410.740764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.743156] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  410.747642]  ? check_preemption_disabled+0x48/0x200
[  410.756451] 4507 total pagecache pages
[  410.761992]  ? __lock_is_held+0xb5/0x140
[  410.770543] 0 pages in swap cache
[  410.775553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.779438] Swap cache stats: add 0, delete 0, find 0/0
[  410.783497]  ? check_preemption_disabled+0x48/0x200
[  410.786938] Free swap  = 0kB
[  410.792476]  run_timer_softirq+0x52/0xb0
[  410.797817] Total swap = 0kB
[  410.802842]  ? rcu_read_lock_sched_held+0x108/0x120
[  410.805836] 1965979 pages RAM
[  410.809894]  __do_softirq+0x30b/0xad8
[  410.812889] 0 pages HighMem/MovableOnly
[  410.817919]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  410.820990] 342744 pages reserved
[  410.824801]  ? pvclock_read_flags+0x160/0x160
[  410.828742] 0 pages cma reserved
[  410.833836]  ? lapic_next_event+0x5a/0x90
[  410.837358] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.841759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.845173] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.849255]  ? check_preemption_disabled+0x48/0x200
[  410.855730] ksoftirqd/1 cpuset=
[  410.861278]  ? check_preemption_disabled+0x48/0x200
[  410.871567] /
[  410.876584]  ? kvm_clock_read+0x18/0x30
[  410.879838]  mems_allowed=0
[  410.884848]  ? kvm_sched_clock_read+0x9/0x20
[  410.897829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.903375]  ? check_preemption_disabled+0x48/0x200
[  410.908406]  irq_exit+0x17f/0x1c0
[  410.911866]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.916710]  ? smp_reschedule_interrupt+0x109/0x650
[  410.921729]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.927615]  ? interrupt_entry+0xb5/0xf0
[  410.931682]  ? trace_hardirqs_off_caller+0xbb/0x300
[  410.936701]  ? trace_hardirqs_off_caller+0xbb/0x300
[  410.941723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.946568]  ? trace_hardirqs_off+0x300/0x300
[  410.951068]  ? trace_hardirqs_off+0x300/0x300
[  410.955567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.961123]  ? check_preemption_disabled+0x48/0x200
[  410.966144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.971690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.976556]  apic_timer_interrupt+0xf/0x20
[  410.980790]  </IRQ>
[  410.983031] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  410.987968] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  411.006957] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  411.014671] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  411.021939] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  411.029208] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  411.036476] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  411.043759] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  411.051082]  skb_clone+0x1bb/0x500
[  411.054625]  ? skb_split+0x11e0/0x11e0
[  411.058534]  ? preempt_notifier_register+0x200/0x200
[  411.063647]  ? __switch_to_asm+0x34/0x70
[  411.067710]  ? __switch_to_asm+0x34/0x70
[  411.071769]  ? __switch_to_asm+0x40/0x70
[  411.075837]  ? __switch_to_asm+0x34/0x70
[  411.079896]  ? __switch_to_asm+0x40/0x70
[  411.083959]  ? __switch_to_asm+0x40/0x70
[  411.088021]  ? __switch_to_asm+0x34/0x70
[  411.092084]  ? __switch_to_asm+0x34/0x70
[  411.096147]  ? __switch_to_asm+0x40/0x70
[  411.100207]  ? __switch_to_asm+0x34/0x70
[  411.104279]  bpf_clone_redirect+0xb9/0x490
[  411.108536]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  411.113562]  ? __sched_text_start+0x8/0x8
[  411.117713]  ? lockdep_hardirqs_on+0x421/0x5c0
[  411.122313]  ? retint_kernel+0x2d/0x2d
[  411.126204]  ? trace_hardirqs_on_caller+0xc0/0x300
[  411.131147]  ? find_held_lock+0x36/0x1c0
[  411.135224]  ? lock_acquire+0x1ed/0x520
[  411.139199]  ? bpf_test_run+0x32e/0x5a0
[  411.143193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.148738]  ? check_preemption_disabled+0x48/0x200
[  411.153762]  ? kasan_check_read+0x11/0x20
[  411.157920]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  411.163199]  ? rcu_bh_qs+0xc0/0xc0
[  411.166747]  ? preempt_schedule+0x4d/0x60
[  411.170903]  ? ___preempt_schedule+0x16/0x18
[  411.175323]  ? bpf_test_run+0x1c0/0x5a0
[  411.179315]  ? netlink_diag_dump+0x2a0/0x2a0
[  411.183734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.189270]  ? bpf_test_init.isra.9+0x70/0x100
[  411.193865]  ? bpf_prog_test_run_skb+0x634/0xb40
[  411.198632]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  411.203484]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  411.209034]  ? fput+0x130/0x1a0
[  411.212321]  ? __bpf_prog_get+0x9b/0x290
[  411.216387]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  411.221227]  ? bpf_prog_test_run+0x130/0x1a0
[  411.225645]  ? __x64_sys_bpf+0x3d8/0x510
[  411.229712]  ? bpf_prog_get+0x20/0x20
[  411.233532]  ? ksys_ioctl+0x81/0xd0
[  411.237174]  ? do_syscall_64+0x1b9/0x820
[  411.241237]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  411.246608]  ? syscall_return_slowpath+0x5e0/0x5e0
[  411.251542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.256390]  ? trace_hardirqs_off+0x300/0x300
[  411.260892]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  411.265915]  ? prepare_exit_to_usermode+0x291/0x3b0
[  411.270950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.275811]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  411.281196] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  411.281281] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  411.288039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.288045] Call Trace:
[  411.288064]  dump_stack+0x1c4/0x2b4
[  411.288081]  ? dump_stack_print_info.cold.2+0x52/0x52
[  411.288107]  warn_alloc.cold.118+0xb7/0x1bd
[  411.294637] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.304196]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.306762] syz-executor0 cpuset=
[  411.310387]  ? lock_downgrade+0x900/0x900
[  411.315548] syz0
[  411.319878]  ? trace_hardirqs_off+0xb8/0x300
[  411.330341]  mems_allowed=0
[  411.335175]  ? trace_hardirqs_off+0xb8/0x300
[  411.356424]  __alloc_pages_slowpath+0x2667/0x2d80
[  411.361309]  ? warn_alloc+0x120/0x120
[  411.365206]  ? warn_alloc+0x120/0x120
[  411.369013]  ? print_usage_bug+0xc0/0xc0
[  411.373082]  ? warn_alloc+0x120/0x120
[  411.376884]  ? print_usage_bug+0xc0/0xc0
[  411.380953]  ? __lock_acquire+0x7ec/0x4ec0
[  411.385191]  ? __lock_acquire+0x7ec/0x4ec0
[  411.389436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.394979]  ? should_fail+0x22d/0xd01
[  411.398881]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.404016]  ? __lock_acquire+0x7ec/0x4ec0
[  411.408264]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.413374]  ? __lock_acquire+0x7ec/0x4ec0
[  411.417610]  ? should_fail+0x22d/0xd01
[  411.421519]  ? mark_held_locks+0x130/0x130
[  411.425764]  ? mark_held_locks+0x130/0x130
[  411.430474]  ? graph_lock+0x170/0x170
[  411.434293]  ? graph_lock+0x170/0x170
[  411.438097]  ? graph_lock+0x170/0x170
[  411.442323]  ? print_usage_bug+0xc0/0xc0
[  411.446392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.451936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.457481]  ? check_preemption_disabled+0x48/0x200
[  411.462522]  ? check_preemption_disabled+0x48/0x200
[  411.467562]  ? __lock_is_held+0xb5/0x140
[  411.471636]  __alloc_pages_nodemask+0xa80/0xde0
[  411.476314]  ? graph_lock+0x170/0x170
[  411.480120]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  411.485135]  ? graph_lock+0x170/0x170
[  411.488950]  ? find_held_lock+0x36/0x1c0
[  411.493026]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.497701]  ? lock_downgrade+0x900/0x900
[  411.501859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.507407]  cache_grow_begin+0x91/0x8c0
[  411.511472]  ? do_raw_spin_unlock+0xa7/0x2f0
[  411.515897]  fallback_alloc+0x203/0x2e0
[  411.519881]  ____cache_alloc_node+0x1c7/0x1e0
[  411.524384]  kmem_cache_alloc_node+0xe3/0x730
[  411.528890]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.533139]  __alloc_skb+0x119/0x770
[  411.536861]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  411.542144]  ? skb_scrub_packet+0x490/0x490
[  411.546468]  ? lock_downgrade+0x900/0x900
[  411.550636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.556181]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.561645]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.567101]  ? addrconf_rs_timer+0x6f0/0x6f0
[  411.571537]  ndisc_alloc_skb+0x144/0x340
[  411.575612]  ndisc_send_rs+0x331/0x6e0
[  411.579518]  addrconf_rs_timer+0x3c0/0x6f0
[  411.583766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.588019]  call_timer_fn+0x272/0x920
[  411.591907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.596149]  ? process_timeout+0x40/0x40
[  411.600308]  ? find_held_lock+0x36/0x1c0
[  411.604381]  ? __run_timers+0x7da/0xc70
[  411.608363]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.612863]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.617359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.621600]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  411.626185]  ? trace_hardirqs_on+0xbd/0x310
[  411.630519]  ? kasan_check_read+0x11/0x20
[  411.634680]  ? __run_timers+0x7da/0xc70
[  411.638658]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  411.644117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.648368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.652607]  __run_timers+0x7e5/0xc70
[  411.656428]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  411.661794]  ? compat_start_thread+0x80/0x80
[  411.666215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.671760]  ? _raw_spin_unlock_irq+0x60/0x80
[  411.676259]  ? finish_task_switch+0x1f5/0x900
[  411.680760]  ? finish_task_switch+0x1b5/0x900
[  411.685260]  ? __switch_to_asm+0x34/0x70
[  411.689333]  ? preempt_notifier_register+0x200/0x200
[  411.694438]  ? __switch_to_asm+0x34/0x70
[  411.698496]  ? __switch_to_asm+0x40/0x70
[  411.702566]  ? __switch_to_asm+0x34/0x70
[  411.706625]  ? __switch_to_asm+0x40/0x70
[  411.710686]  ? __switch_to_asm+0x34/0x70
[  411.714746]  ? __switch_to_asm+0x40/0x70
[  411.718815]  ? __switch_to_asm+0x40/0x70
[  411.722885]  ? pvclock_read_flags+0x160/0x160
[  411.727387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.732931]  ? check_preemption_disabled+0x48/0x200
[  411.737964]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  411.743247]  ? rcu_pm_notify+0xc0/0xc0
[  411.747144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.752688]  ? check_preemption_disabled+0x48/0x200
[  411.757717]  run_timer_softirq+0x52/0xb0
[  411.761778]  ? rcu_read_lock_sched_held+0x108/0x120
[  411.766799]  __do_softirq+0x30b/0xad8
[  411.770638]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  411.775743]  ? trace_hardirqs_off_caller+0x300/0x300
[  411.780857]  ? schedule+0x108/0x460
[  411.784491]  ? __schedule+0x1ed0/0x1ed0
[  411.788482]  ? trace_hardirqs_off+0xb8/0x300
[  411.792919]  ? ___might_sleep+0x1ed/0x300
[  411.797070]  ? smpboot_thread_fn+0x68b/0xa00
[  411.802000]  ? trace_hardirqs_on+0x310/0x310
[  411.806416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.811957]  ? check_preemption_disabled+0x48/0x200
[  411.816978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.822530]  ? takeover_tasklets+0xa90/0xa90
[  411.826946]  run_ksoftirqd+0x94/0x100
[  411.830757]  smpboot_thread_fn+0x68b/0xa00
[  411.835002]  ? sort_range+0x30/0x30
[  411.838635]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.843739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.849282]  ? __kthread_parkme+0xfb/0x1a0
[  411.853531]  kthread+0x35a/0x420
[  411.856902]  ? sort_range+0x30/0x30
[  411.860540]  ? kthread_bind+0x40/0x40
[  411.864343]  ret_from_fork+0x3a/0x50
[  411.868083] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  411.868088] warn_alloc_show_mem: 1 callbacks suppressed
[  411.868095] Mem-Info:
[  411.875370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.880737] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  411.880737]  active_file:28 inactive_file:21 isolated_file:0
[  411.880737]  unevictable:0 dirty:0 writeback:0 unstable:0
[  411.880737]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  411.880737]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  411.880737]  free:13666 free_pcp:197 free_cma:0
[  411.883111] Call Trace:
[  411.892511] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  411.925637]  <IRQ>
[  411.928206] Node 0 
[  411.956043]  dump_stack+0x1c4/0x2b4
[  411.958190] 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
[  411.960404]  ? dump_stack_print_info.cold.2+0x52/0x52
[  411.964027] lowmem_reserve[]:
[  411.989545]  warn_alloc.cold.118+0xb7/0x1bd
[  411.994701]  0
[  411.997805]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.002102]  2817
[  412.003907]  ? lock_downgrade+0x900/0x900
[  412.008723]  6321
[  412.010796]  ? trace_hardirqs_off+0xb8/0x300
[  412.014909]  6321
[  412.016969]  ? trace_hardirqs_off+0xb8/0x300
[  412.023415]  __alloc_pages_slowpath+0x2667/0x2d80
[  412.027793] Node 0 DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  412.032656]  ? warn_alloc+0x120/0x120
[  412.032676]  ? warn_alloc+0x120/0x120
[  412.059974] lowmem_reserve[]:
[  412.063772]  ? print_usage_bug+0xc0/0xc0
[  412.067547]  0
[  412.070646]  ? warn_alloc+0x120/0x120
[  412.074680]  0
[  412.076483]  ? print_usage_bug+0xc0/0xc0
[  412.080259]  3503
[  412.082055]  ? __lock_acquire+0x7ec/0x4ec0
[  412.086088]  3503
[  412.088154]  ? __lock_acquire+0x7ec/0x4ec0
[  412.092366] Node 0 
[  412.094433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.098671] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  412.100879]  ? should_fail+0x22d/0xd01
[  412.106391] lowmem_reserve[]:
[  412.134957]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.138815]  0
[  412.141920]  ? __lock_acquire+0x7ec/0x4ec0
[  412.147001]  0
[  412.148801]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.153029]  0
[  412.154827]  ? __lock_acquire+0x7ec/0x4ec0
[  412.159901]  0
[  412.161708]  ? should_fail+0x22d/0xd01
[  412.165919] Node 0 
[  412.167721]  ? mark_held_locks+0x130/0x130
[  412.171595] DMA: 
[  412.173827]  ? mark_held_locks+0x130/0x130
[  412.178036] 1*4kB 
[  412.180090]  ? graph_lock+0x170/0x170
[  412.184303] (U) 
[  412.186446]  ? graph_lock+0x170/0x170
[  412.190222] 0*8kB 0*16kB 
[  412.192200]  ? graph_lock+0x170/0x170
[  412.195981] 1*32kB 
[  412.198749]  ? print_usage_bug+0xc0/0xc0
[  412.202532] (U) 
[  412.204766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.208801] 2*64kB 
[  412.210772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.216288] (U) 
[  412.218533]  ? check_preemption_disabled+0x48/0x200
[  412.224035] 1*128kB (U) 
[  412.226015]  ? check_preemption_disabled+0x48/0x200
[  412.231004] 1*256kB (U) 
[  412.233687]  ? __lock_is_held+0xb5/0x140
[  412.238676] 0*512kB 
[  412.241347]  __alloc_pages_nodemask+0xa80/0xde0
[  412.245377] 1*1024kB 
[  412.247691]  ? graph_lock+0x170/0x170
[  412.252337] (U) 
[  412.254746]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  412.258533] 1*2048kB 
[  412.260508]  ? graph_lock+0x170/0x170
[  412.265514] (M) 
[  412.267934]  ? find_held_lock+0x36/0x1c0
[  412.271706] 3*4096kB 
[  412.273684]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.277726] (M) 
[  412.280130]  ? lock_downgrade+0x900/0x900
[  412.284776] = 15908kB
[  412.286755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.290873] Node 0 
[  412.293280]  cache_grow_begin+0x91/0x8c0
[  412.298794] DMA32: 
[  412.301025]  ? do_raw_spin_unlock+0xa7/0x2f0
[  412.305059] 2*4kB 
[  412.307312]  fallback_alloc+0x203/0x2e0
[  412.311694] (M) 
[  412.313843]  ____cache_alloc_node+0x1c7/0x1e0
[  412.317793] 0*8kB 
[  412.319766]  kmem_cache_alloc_node+0xe3/0x730
[  412.324238] 3*16kB 
[  412.326383]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.330850] (M) 
[  412.333086]  __alloc_skb+0x119/0x770
[  412.337380] 2*32kB 
[  412.339356]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  412.343039] (UM) 
[  412.345273]  ? skb_scrub_packet+0x490/0x490
[  412.350531] 2*64kB 
[  412.352590]  ? lock_downgrade+0x900/0x900
[  412.356883] (M) 
[  412.359121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.363233] 4*128kB (UM) 
[  412.365213]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.370716] 2*256kB (M) 
[  412.373495]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.378928] 4*512kB 
[  412.381596]  ? addrconf_rs_timer+0x6f0/0x6f0
[  412.387018] (UM) 
[  412.389368]  ndisc_alloc_skb+0x144/0x340
[  412.393750] 3*1024kB (M) 
[  412.395824]  ndisc_send_rs+0x331/0x6e0
[  412.399853] 3*2048kB (UM) 
[  412.402617]  addrconf_rs_timer+0x3c0/0x6f0
[  412.406474] 3*4096kB (M) 
[  412.409334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.413544] = 24824kB
[  412.416306]  call_timer_fn+0x272/0x920
[  412.420515] Node 0 
[  412.422925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.426783] Normal: 981*4kB 
[  412.429039]  ? process_timeout+0x40/0x40
[  412.433250] (UMEH) 
[  412.436265]  ? find_held_lock+0x36/0x1c0
[  412.440302] 521*8kB (MEH) 
[  412.442555]  ? __run_timers+0x7da/0xc70
[  412.446581] 165*16kB (UMEH) 
[  412.449432]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.453378] 24*32kB 
[  412.456394]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.460863] (MEH) 
[  412.463183]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.467652] 4*64kB 
[  412.469801]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  412.474010] (MH) 
[  412.476243]  ? trace_hardirqs_on+0xbd/0x310
[  412.480803] 3*128kB 
[  412.482860]  ? kasan_check_read+0x11/0x20
[  412.487156] (UH) 
[  412.489484]  ? __run_timers+0x7da/0xc70
[  412.493605] 1*256kB 
[  412.495664]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.499610] (U) 
[  412.501931]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.507356] 1*512kB 
[  412.509329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.513539] (U) 
[  412.515863]  __run_timers+0x7e5/0xc70
[  412.520067] 1*1024kB (H) 
[  412.522060]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  412.525824] 0*2048kB 
[  412.528579]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  412.533917] 0*4096kB 
[  412.536325]  ? graph_lock+0x170/0x170
[  412.541348] = 13932kB
[  412.543755]  ? enqueue_hrtimer+0x1a5/0x560
[  412.547541] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  412.549943]  ? lock_release+0x970/0x970
[  412.554160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  412.562986]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  412.566938] 4507 total pagecache pages
[  412.575522]  ? find_held_lock+0x36/0x1c0
[  412.580688] 0 pages in swap cache
[  412.584567]  ? graph_lock+0x170/0x170
[  412.588604] Swap cache stats: add 0, delete 0, find 0/0
[  412.592048]  ? pvclock_read_flags+0x160/0x160
[  412.595822] Free swap  = 0kB
[  412.601198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.605668] Total swap = 0kB
[  412.608691]  ? check_preemption_disabled+0x48/0x200
[  412.614201] 1965979 pages RAM
[  412.617225]  ? __lock_is_held+0xb5/0x140
[  412.622205] 0 pages HighMem/MovableOnly
[  412.622213] 342744 pages reserved
[  412.625314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.629348] 0 pages cma reserved
[  412.633317]  ? check_preemption_disabled+0x48/0x200
[  412.636826] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.642274]  run_timer_softirq+0x52/0xb0
[  412.645686] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.650629]  ? rcu_read_lock_sched_held+0x108/0x120
[  412.657095] ksoftirqd/1 cpuset=
[  412.661151]  __do_softirq+0x30b/0xad8
[  412.671435] /
[  412.676458]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  412.679705]  mems_allowed=0
[  412.683497]  ? pvclock_read_flags+0x160/0x160
[  412.697682]  ? lapic_next_event+0x5a/0x90
[  412.701831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.707376]  ? check_preemption_disabled+0x48/0x200
[  412.712396]  ? check_preemption_disabled+0x48/0x200
[  412.717419]  ? kvm_clock_read+0x18/0x30
[  412.721399]  ? kvm_sched_clock_read+0x9/0x20
[  412.725815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.731356]  ? check_preemption_disabled+0x48/0x200
[  412.736398]  irq_exit+0x17f/0x1c0
[  412.739864]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.744711]  ? smp_reschedule_interrupt+0x109/0x650
[  412.749729]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.755620]  ? interrupt_entry+0xb5/0xf0
[  412.759685]  ? trace_hardirqs_off_caller+0xbb/0x300
[  412.764705]  ? trace_hardirqs_off_caller+0xbb/0x300
[  412.769725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.774570]  ? trace_hardirqs_off+0x300/0x300
[  412.779066]  ? trace_hardirqs_off+0x300/0x300
[  412.783569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.789119]  ? check_preemption_disabled+0x48/0x200
[  412.794138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.799703]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.804560]  apic_timer_interrupt+0xf/0x20
[  412.808794]  </IRQ>
[  412.811041] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  412.815972] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  412.834877] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  412.842587] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  412.849876] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  412.857162] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  412.864431] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  412.871706] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  412.879026]  skb_clone+0x1bb/0x500
[  412.882574]  ? skb_split+0x11e0/0x11e0
[  412.886467]  ? preempt_notifier_register+0x200/0x200
[  412.891579]  ? __switch_to_asm+0x34/0x70
[  412.895921]  ? __switch_to_asm+0x34/0x70
[  412.899986]  ? __switch_to_asm+0x40/0x70
[  412.904046]  ? __switch_to_asm+0x34/0x70
[  412.908107]  ? __switch_to_asm+0x40/0x70
[  412.912170]  ? __switch_to_asm+0x40/0x70
[  412.916230]  ? __switch_to_asm+0x34/0x70
[  412.920291]  ? __switch_to_asm+0x34/0x70
[  412.924353]  ? __switch_to_asm+0x40/0x70
[  412.928410]  ? __switch_to_asm+0x34/0x70
[  412.932481]  bpf_clone_redirect+0xb9/0x490
[  412.936737]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  412.941757]  ? __sched_text_start+0x8/0x8
[  412.945919]  ? lockdep_hardirqs_on+0x421/0x5c0
[  412.950512]  ? retint_kernel+0x2d/0x2d
[  412.954403]  ? trace_hardirqs_on_caller+0xc0/0x300
[  412.959360]  ? find_held_lock+0x36/0x1c0
[  412.963431]  ? lock_acquire+0x1ed/0x520
[  412.967413]  ? bpf_test_run+0x32e/0x5a0
[  412.971393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.976940]  ? check_preemption_disabled+0x48/0x200
[  412.981965]  ? kasan_check_read+0x11/0x20
[  412.986116]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  412.991395]  ? rcu_bh_qs+0xc0/0xc0
[  412.994941]  ? preempt_schedule+0x4d/0x60
[  412.999103]  ? ___preempt_schedule+0x16/0x18
[  413.003531]  ? bpf_test_run+0x1c0/0x5a0
[  413.007527]  ? netlink_diag_dump+0x2a0/0x2a0
[  413.011942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.017480]  ? bpf_test_init.isra.9+0x70/0x100
[  413.022097]  ? bpf_prog_test_run_skb+0x634/0xb40
[  413.026868]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  413.031714]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  413.037254]  ? fput+0x130/0x1a0
[  413.040542]  ? __bpf_prog_get+0x9b/0x290
[  413.044607]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  413.049451]  ? bpf_prog_test_run+0x130/0x1a0
[  413.053868]  ? __x64_sys_bpf+0x3d8/0x510
[  413.057937]  ? bpf_prog_get+0x20/0x20
[  413.061747]  ? ksys_ioctl+0x81/0xd0
[  413.065400]  ? do_syscall_64+0x1b9/0x820
[  413.069462]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  413.074830]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.079761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.084616]  ? trace_hardirqs_off+0x300/0x300
[  413.089115]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  413.094140]  ? prepare_exit_to_usermode+0x291/0x3b0
[  413.099174]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.104053]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  413.109441] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  413.109535] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.116288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.116294] Call Trace:
[  413.116313]  dump_stack+0x1c4/0x2b4
[  413.116330]  ? dump_stack_print_info.cold.2+0x52/0x52
[  413.116356]  warn_alloc.cold.118+0xb7/0x1bd
[  413.122908] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.132206]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.134768] syz-executor0 cpuset=
[  413.138392]  ? lock_downgrade+0x900/0x900
[  413.143555] syz0
[  413.147875]  ? trace_hardirqs_off+0xb8/0x300
[  413.158339]  mems_allowed=0
[  413.163177]  ? trace_hardirqs_off+0xb8/0x300
[  413.184437]  __alloc_pages_slowpath+0x2667/0x2d80
[  413.189324]  ? warn_alloc+0x120/0x120
[  413.193133]  ? warn_alloc+0x120/0x120
[  413.196944]  ? print_usage_bug+0xc0/0xc0
[  413.201005]  ? warn_alloc+0x120/0x120
[  413.204810]  ? print_usage_bug+0xc0/0xc0
[  413.208877]  ? __lock_acquire+0x7ec/0x4ec0
[  413.213121]  ? __lock_acquire+0x7ec/0x4ec0
[  413.217367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.222936]  ? should_fail+0x22d/0xd01
[  413.227440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.232553]  ? __lock_acquire+0x7ec/0x4ec0
[  413.236799]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.241910]  ? __lock_acquire+0x7ec/0x4ec0
[  413.246145]  ? should_fail+0x22d/0xd01
[  413.250049]  ? mark_held_locks+0x130/0x130
[  413.254300]  ? mark_held_locks+0x130/0x130
[  413.258545]  ? graph_lock+0x170/0x170
[  413.262349]  ? graph_lock+0x170/0x170
[  413.266153]  ? graph_lock+0x170/0x170
[  413.269955]  ? print_usage_bug+0xc0/0xc0
[  413.274029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.279587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.285144]  ? check_preemption_disabled+0x48/0x200
[  413.290191]  ? check_preemption_disabled+0x48/0x200
[  413.295219]  ? __lock_is_held+0xb5/0x140
[  413.299678]  __alloc_pages_nodemask+0xa80/0xde0
[  413.304356]  ? graph_lock+0x170/0x170
[  413.308165]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  413.313178]  ? graph_lock+0x170/0x170
[  413.316994]  ? find_held_lock+0x36/0x1c0
[  413.321070]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.325741]  ? lock_downgrade+0x900/0x900
[  413.329903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.335447]  cache_grow_begin+0x91/0x8c0
[  413.339520]  ? do_raw_spin_unlock+0xa7/0x2f0
[  413.343943]  fallback_alloc+0x203/0x2e0
[  413.347932]  ____cache_alloc_node+0x1c7/0x1e0
[  413.352434]  kmem_cache_alloc_node+0xe3/0x730
[  413.357020]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.361267]  __alloc_skb+0x119/0x770
[  413.364990]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  413.370295]  ? skb_scrub_packet+0x490/0x490
[  413.374623]  ? lock_downgrade+0x900/0x900
[  413.378787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.384331]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.389791]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.395265]  ? addrconf_rs_timer+0x6f0/0x6f0
[  413.399696]  ndisc_alloc_skb+0x144/0x340
[  413.403773]  ndisc_send_rs+0x331/0x6e0
[  413.407670]  addrconf_rs_timer+0x3c0/0x6f0
[  413.411913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.416166]  call_timer_fn+0x272/0x920
[  413.420053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.424297]  ? process_timeout+0x40/0x40
[  413.428818]  ? find_held_lock+0x36/0x1c0
[  413.432892]  ? __run_timers+0x7da/0xc70
[  413.436877]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.441376]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.445875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.450112]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  413.454723]  ? trace_hardirqs_on+0xbd/0x310
[  413.459045]  ? kasan_check_read+0x11/0x20
[  413.463194]  ? __run_timers+0x7da/0xc70
[  413.467171]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  413.472632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.476875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.481110]  __run_timers+0x7e5/0xc70
[  413.484925]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  413.490292]  ? compat_start_thread+0x80/0x80
[  413.494711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.500255]  ? _raw_spin_unlock_irq+0x60/0x80
[  413.504762]  ? finish_task_switch+0x1f5/0x900
[  413.509258]  ? finish_task_switch+0x1b5/0x900
[  413.513760]  ? __switch_to_asm+0x34/0x70
[  413.517828]  ? preempt_notifier_register+0x200/0x200
[  413.522932]  ? __switch_to_asm+0x34/0x70
[  413.526990]  ? __switch_to_asm+0x40/0x70
[  413.531059]  ? __switch_to_asm+0x34/0x70
[  413.535118]  ? __switch_to_asm+0x40/0x70
[  413.539182]  ? __switch_to_asm+0x34/0x70
[  413.543243]  ? __switch_to_asm+0x40/0x70
[  413.547314]  ? __switch_to_asm+0x40/0x70
[  413.551385]  ? pvclock_read_flags+0x160/0x160
[  413.555885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.561447]  ? check_preemption_disabled+0x48/0x200
[  413.566482]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  413.571773]  ? rcu_pm_notify+0xc0/0xc0
[  413.575665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.581206]  ? check_preemption_disabled+0x48/0x200
[  413.586232]  run_timer_softirq+0x52/0xb0
[  413.590300]  ? rcu_read_lock_sched_held+0x108/0x120
[  413.595323]  __do_softirq+0x30b/0xad8
[  413.599136]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  413.604244]  ? trace_hardirqs_off_caller+0x300/0x300
[  413.609359]  ? schedule+0x108/0x460
[  413.612989]  ? __schedule+0x1ed0/0x1ed0
[  413.616971]  ? trace_hardirqs_off+0xb8/0x300
[  413.621385]  ? ___might_sleep+0x1ed/0x300
[  413.625537]  ? smpboot_thread_fn+0x68b/0xa00
[  413.629950]  ? trace_hardirqs_on+0x310/0x310
[  413.634365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.639909]  ? check_preemption_disabled+0x48/0x200
[  413.644927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.650475]  ? takeover_tasklets+0xa90/0xa90
[  413.654897]  run_ksoftirqd+0x94/0x100
[  413.658702]  smpboot_thread_fn+0x68b/0xa00
[  413.662943]  ? sort_range+0x30/0x30
[  413.666577]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  413.671685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.677223]  ? __kthread_parkme+0xfb/0x1a0
[  413.681468]  kthread+0x35a/0x420
[  413.684835]  ? sort_range+0x30/0x30
[  413.688460]  ? kthread_bind+0x40/0x40
[  413.692264]  ret_from_fork+0x3a/0x50
[  413.695998] warn_alloc_show_mem: 1 callbacks suppressed
[  413.696010] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  413.696012] Mem-Info:
[  413.696043] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  413.696043]  active_file:28 inactive_file:21 isolated_file:0
[  413.696043]  unevictable:0 dirty:0 writeback:0 unstable:0
[  413.696043]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  413.696043]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  413.696043]  free:13666 free_pcp:197 free_cma:0
[  413.701382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.701390] Call Trace:
[  413.708670] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  413.711066]  <IRQ>
[  413.744102] Node 0 
[  413.753452]  dump_stack+0x1c4/0x2b4
[  413.756036] 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
[  413.783851]  ? dump_stack_print_info.cold.2+0x52/0x52
[  413.785977] lowmem_reserve[]:
[  413.788220]  warn_alloc.cold.118+0xb7/0x1bd
[  413.791894]  0 2817
[  413.817404]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.822567]  6321
[  413.825668]  ? lock_downgrade+0x900/0x900
[  413.829967]  6321
[  413.832205]  ? trace_hardirqs_off+0xb8/0x300
[  413.839077]  ? trace_hardirqs_off+0xb8/0x300
[  413.843198] Node 0 
[  413.845263]  __alloc_pages_slowpath+0x2667/0x2d80
[  413.849671] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  413.854075]  ? warn_alloc+0x120/0x120
[  413.856270] lowmem_reserve[]:
[  413.861111]  ? warn_alloc+0x120/0x120
[  413.887805]  0
[  413.891604]  ? print_usage_bug+0xc0/0xc0
[  413.894682]  0
[  413.898474]  ? warn_alloc+0x120/0x120
[  413.900265]  3503
[  413.904323]  ? print_usage_bug+0xc0/0xc0
[  413.906096]  3503
[  413.909905]  ? __lock_acquire+0x7ec/0x4ec0
[  413.911949] Node 0 
[  413.916005]  ? __lock_acquire+0x7ec/0x4ec0
[  413.918071] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  413.922273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.924486] lowmem_reserve[]:
[  413.928727]  ? should_fail+0x22d/0xd01
[  413.957260]  0 0
[  413.962814]  ? __lock_acquire+0x7ec/0x4ec0
[  413.965885]  0 0
[  413.969785]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.971733] Node 0 
[  413.975960]  ? __lock_acquire+0x7ec/0x4ec0
[  413.977910] DMA: 1*4kB 
[  413.983026]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.985258] (U) 
[  413.989490]  ? __lock_acquire+0x7ec/0x4ec0
[  413.992052] 0*8kB 0*16kB 
[  413.997157]  ? should_fail+0x22d/0xd01
[  413.999108] 1*32kB 
[  414.003345]  ? mark_held_locks+0x130/0x130
[  414.006075] (U) 
[  414.009956]  ? mark_held_locks+0x130/0x130
[  414.012162] 2*64kB (U) 
[  414.016401]  ? __lock_acquire+0x7ec/0x4ec0
[  414.018353] 1*128kB 
[  414.022597]  ? graph_lock+0x170/0x170
[  414.025159] (U) 
[  414.029387]  ? print_usage_bug+0xc0/0xc0
[  414.031687] 1*256kB 
[  414.035483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.037432] (U) 
[  414.041491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.043798] 0*512kB 
[  414.049333]  ? check_preemption_disabled+0x48/0x200
[  414.051292] 1*1024kB 
[  414.056823]  ? check_preemption_disabled+0x48/0x200
[  414.059113] (U) 1*2048kB 
[  414.064138]  ? __lock_is_held+0xb5/0x140
[  414.066522] (M) 
[  414.071540]  __alloc_pages_nodemask+0xa80/0xde0
[  414.074271] 3*4096kB (M) 
[  414.078336]  ? graph_lock+0x170/0x170
[  414.080292] = 15908kB
[  414.084952]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  414.087689] Node 0 
[  414.091482]  ? graph_lock+0x170/0x170
[  414.093868] DMA32: 
[  414.098883]  ? find_held_lock+0x36/0x1c0
[  414.101091] 2*4kB 
[  414.104888]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.107095] (M) 
[  414.111148]  ? lock_downgrade+0x900/0x900
[  414.113270] 0*8kB 3*16kB 
[  414.117962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.119913] (M) 
[  414.124056]  cache_grow_begin+0x91/0x8c0
[  414.126785] 2*32kB (UM) 
[  414.132325]  ? do_raw_spin_unlock+0xa7/0x2f0
[  414.134283] 2*64kB 
[  414.138339]  fallback_alloc+0x203/0x2e0
[  414.140984] (M) 
[  414.145392]  ____cache_alloc_node+0x1c7/0x1e0
[  414.147601] 4*128kB 
[  414.151571]  kmem_cache_alloc_node+0xe3/0x730
[  414.153528] (UM) 
[  414.158017]  ? do_raw_spin_unlock+0xa7/0x2f0
[  414.160318] 2*256kB 
[  414.164810]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  414.166849] (M) 
[  414.171255]  __alloc_skb+0x119/0x770
[  414.173552] 4*512kB 
[  414.178130]  ? skb_scrub_packet+0x490/0x490
[  414.180082] (UM) 
[  414.183796]  ? atomic_notifier_call_chain+0xc6/0x190
[  414.186088] 3*1024kB (M) 
[  414.190421]  ? lock_downgrade+0x900/0x900
[  414.192460] 3*2048kB 
[  414.197561]  ? check_preemption_disabled+0x48/0x200
[  414.200291] (UM) 
[  414.204442]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  414.206823] 3*4096kB 
[  414.211835]  ? kasan_check_read+0x11/0x20
[  414.213870] (M) 
[  414.219692]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  414.222075] = 24824kB
[  414.226218]  ? rcu_bh_qs+0xc0/0xc0
[  414.228170] Node 0 
[  414.233441]  ? find_next_bit+0x104/0x130
[  414.235830] Normal: 
[  414.239367]  ? do_raw_write_trylock+0x1c0/0x1c0
[  414.241577] 981*4kB 
[  414.245638]  __neigh_notify+0x8c/0x160
[  414.247931] (UMEH) 
[  414.252606]  ? __neigh_event_send+0x1390/0x1390
[  414.254899] 521*8kB (MEH) 
[  414.258802]  neigh_timer_handler+0x6cb/0xdf0
[  414.261004] 165*16kB 
[  414.265674]  ? neigh_invalidate+0x550/0x550
[  414.268491] (UMEH) 
[  414.272905]  ? __lock_is_held+0xb5/0x140
[  414.275289] 24*32kB (MEH) 
[  414.279623]  call_timer_fn+0x272/0x920
[  414.281819] 4*64kB (MH) 
[  414.285880]  ? neigh_invalidate+0x550/0x550
[  414.288703] 3*128kB 
[  414.292585]  ? process_timeout+0x40/0x40
[  414.295235] (UH) 
[  414.299552]  ? find_held_lock+0x36/0x1c0
[  414.301857] 1*256kB 
[  414.305923]  ? __run_timers+0x7da/0xc70
[  414.307955] (U) 
[  414.312015]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.314312] 1*512kB 
[  414.318278]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.320236] (U) 
[  414.324727]  ? neigh_invalidate+0x550/0x550
[  414.327021] 1*1024kB (H) 
[  414.331527]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  414.333475] 0*2048kB 0*4096kB 
[  414.337811]  ? trace_hardirqs_on+0xbd/0x310
[  414.340547] = 13932kB
[  414.345148]  ? kasan_check_read+0x11/0x20
[  414.348339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  414.352658]  ? __run_timers+0x7da/0xc70
[  414.355052] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  414.359193]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.368008] 4507 total pagecache pages
[  414.372024]  ? neigh_invalidate+0x550/0x550
[  414.380548] 0 pages in swap cache
[  414.385985]  __run_timers+0x7e5/0xc70
[  414.389847] Swap cache stats: add 0, delete 0, find 0/0
[  414.394171]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  414.397591] Free swap  = 0kB
[  414.401388]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  414.406730] Total swap = 0kB
[  414.412088]  ? graph_lock+0x170/0x170
[  414.415084] 1965979 pages RAM
[  414.420091]  ? enqueue_hrtimer+0x1a5/0x560
[  414.423167] 0 pages HighMem/MovableOnly
[  414.423175] 342744 pages reserved
[  414.426968]  ? lock_release+0x970/0x970
[  414.430053] 0 pages cma reserved
[  414.434282]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  414.438325] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  414.441687]  ? find_held_lock+0x36/0x1c0
[  414.445762] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.449027]  ? graph_lock+0x170/0x170
[  414.454191] ksoftirqd/1 cpuset=
[  414.460676]  ? pvclock_read_flags+0x160/0x160
[  414.464713] /
[  414.475018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.478798]  mems_allowed=0
[  414.482074]  ? check_preemption_disabled+0x48/0x200
[  414.501711]  ? __lock_is_held+0xb5/0x140
[  414.505782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.511324]  ? check_preemption_disabled+0x48/0x200
[  414.516350]  run_timer_softirq+0x52/0xb0
[  414.520416]  ? rcu_read_lock_sched_held+0x108/0x120
[  414.525437]  __do_softirq+0x30b/0xad8
[  414.529252]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  414.534364]  ? pvclock_read_flags+0x160/0x160
[  414.538860]  ? lapic_next_event+0x5a/0x90
[  414.543011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.548553]  ? check_preemption_disabled+0x48/0x200
[  414.553590]  ? check_preemption_disabled+0x48/0x200
[  414.558618]  ? kvm_clock_read+0x18/0x30
[  414.562604]  ? kvm_sched_clock_read+0x9/0x20
[  414.567016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.572556]  ? check_preemption_disabled+0x48/0x200
[  414.577586]  irq_exit+0x17f/0x1c0
[  414.581046]  smp_apic_timer_interrupt+0x1cb/0x760
[  414.585891]  ? smp_reschedule_interrupt+0x109/0x650
[  414.590911]  ? smp_call_function_single_interrupt+0x650/0x650
[  414.596801]  ? interrupt_entry+0xb5/0xf0
[  414.600870]  ? trace_hardirqs_off_caller+0xbb/0x300
[  414.605889]  ? trace_hardirqs_off_caller+0xbb/0x300
[  414.610915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.615762]  ? trace_hardirqs_off+0x300/0x300
[  414.620260]  ? trace_hardirqs_off+0x300/0x300
[  414.624781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.630322]  ? check_preemption_disabled+0x48/0x200
[  414.635338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.640893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.645745]  apic_timer_interrupt+0xf/0x20
[  414.649984]  </IRQ>
[  414.652225] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  414.657156] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  414.676055] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  414.683765] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  414.691037] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  414.698306] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  414.705576] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  414.712846] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  414.720163]  skb_clone+0x1bb/0x500
[  414.723734]  ? skb_split+0x11e0/0x11e0
[  414.727629]  ? preempt_notifier_register+0x200/0x200
[  414.732737]  ? __switch_to_asm+0x34/0x70
[  414.736804]  ? __switch_to_asm+0x34/0x70
[  414.740866]  ? __switch_to_asm+0x40/0x70
[  414.744927]  ? __switch_to_asm+0x34/0x70
[  414.748991]  ? __switch_to_asm+0x40/0x70
[  414.753054]  ? __switch_to_asm+0x40/0x70
[  414.757113]  ? __switch_to_asm+0x34/0x70
[  414.761178]  ? __switch_to_asm+0x34/0x70
[  414.765237]  ? __switch_to_asm+0x40/0x70
[  414.769296]  ? __switch_to_asm+0x34/0x70
[  414.773367]  bpf_clone_redirect+0xb9/0x490
[  414.777619]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  414.782640]  ? __sched_text_start+0x8/0x8
[  414.786799]  ? lockdep_hardirqs_on+0x421/0x5c0
[  414.791381]  ? retint_kernel+0x2d/0x2d
[  414.795272]  ? trace_hardirqs_on_caller+0xc0/0x300
[  414.800213]  ? find_held_lock+0x36/0x1c0
[  414.804284]  ? lock_acquire+0x1ed/0x520
[  414.808263]  ? bpf_test_run+0x32e/0x5a0
[  414.812240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.817787]  ? check_preemption_disabled+0x48/0x200
[  414.822816]  ? kasan_check_read+0x11/0x20
[  414.826973]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  414.832254]  ? rcu_bh_qs+0xc0/0xc0
[  414.835802]  ? preempt_schedule+0x4d/0x60
[  414.839952]  ? ___preempt_schedule+0x16/0x18
[  414.844379]  ? bpf_test_run+0x1c0/0x5a0
[  414.848377]  ? netlink_diag_dump+0x2a0/0x2a0
[  414.852803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.858345]  ? bpf_test_init.isra.9+0x70/0x100
[  414.862934]  ? bpf_prog_test_run_skb+0x634/0xb40
[  414.867699]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  414.872547]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  414.878085]  ? fput+0x130/0x1a0
[  414.881369]  ? __bpf_prog_get+0x9b/0x290
[  414.885433]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  414.890294]  ? bpf_prog_test_run+0x130/0x1a0
[  414.894708]  ? __x64_sys_bpf+0x3d8/0x510
[  414.898782]  ? bpf_prog_get+0x20/0x20
[  414.902592]  ? ksys_ioctl+0x81/0xd0
[  414.906232]  ? do_syscall_64+0x1b9/0x820
[  414.910315]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  414.915696]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.920627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.925478]  ? trace_hardirqs_off+0x300/0x300
[  414.929984]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  414.935007]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.940034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.944889]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  414.950284] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  414.950429] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.957131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.967604] syz-executor0 cpuset=
[  414.976939] Call Trace:
[  414.976949] syz0
[  414.980396]  dump_stack+0x1c4/0x2b4
[  414.982956]  mems_allowed=0
[  414.984924]  ? dump_stack_print_info.cold.2+0x52/0x52
[  414.996650]  warn_alloc.cold.118+0xb7/0x1bd
[  415.000978]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.005829]  ? lock_downgrade+0x900/0x900
[  415.009987]  ? trace_hardirqs_off+0xb8/0x300
[  415.014406]  ? trace_hardirqs_off+0xb8/0x300
[  415.018828]  __alloc_pages_slowpath+0x2667/0x2d80
[  415.023705]  ? warn_alloc+0x120/0x120
[  415.027522]  ? warn_alloc+0x120/0x120
[  415.031331]  ? print_usage_bug+0xc0/0xc0
[  415.035394]  ? warn_alloc+0x120/0x120
[  415.039197]  ? print_usage_bug+0xc0/0xc0
[  415.043261]  ? __lock_acquire+0x7ec/0x4ec0
[  415.047513]  ? __lock_acquire+0x7ec/0x4ec0
[  415.051756]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.057301]  ? should_fail+0x22d/0xd01
[  415.061198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.066306]  ? __lock_acquire+0x7ec/0x4ec0
[  415.070551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.075656]  ? __lock_acquire+0x7ec/0x4ec0
[  415.079893]  ? should_fail+0x22d/0xd01
[  415.083794]  ? mark_held_locks+0x130/0x130
[  415.088045]  ? mark_held_locks+0x130/0x130
[  415.092289]  ? graph_lock+0x170/0x170
[  415.096090]  ? graph_lock+0x170/0x170
[  415.099894]  ? graph_lock+0x170/0x170
[  415.103699]  ? print_usage_bug+0xc0/0xc0
[  415.107763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.113307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.118849]  ? check_preemption_disabled+0x48/0x200
[  415.123867]  ? check_preemption_disabled+0x48/0x200
[  415.128895]  ? __lock_is_held+0xb5/0x140
[  415.132967]  __alloc_pages_nodemask+0xa80/0xde0
[  415.137636]  ? graph_lock+0x170/0x170
[  415.141447]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  415.146461]  ? graph_lock+0x170/0x170
[  415.150281]  ? find_held_lock+0x36/0x1c0
[  415.154357]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.159029]  ? lock_downgrade+0x900/0x900
[  415.163184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.168729]  cache_grow_begin+0x91/0x8c0
[  415.172801]  ? do_raw_spin_unlock+0xa7/0x2f0
[  415.177221]  fallback_alloc+0x203/0x2e0
[  415.181204]  ____cache_alloc_node+0x1c7/0x1e0
[  415.185706]  kmem_cache_alloc_node+0xe3/0x730
[  415.190206]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.194453]  __alloc_skb+0x119/0x770
[  415.198171]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  415.203458]  ? skb_scrub_packet+0x490/0x490
[  415.207782]  ? lock_downgrade+0x900/0x900
[  415.211960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.217512]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.222971]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.228427]  ? addrconf_rs_timer+0x6f0/0x6f0
[  415.232854]  ndisc_alloc_skb+0x144/0x340
[  415.236925]  ndisc_send_rs+0x331/0x6e0
[  415.240820]  addrconf_rs_timer+0x3c0/0x6f0
[  415.245064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.249323]  call_timer_fn+0x272/0x920
[  415.253217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.257457]  ? process_timeout+0x40/0x40
[  415.261525]  ? find_held_lock+0x36/0x1c0
[  415.265607]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  415.270377]  ? retint_kernel+0x2d/0x2d
[  415.274267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.278533]  ? _raw_spin_unlock_irq+0x67/0x80
[  415.283034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.287272]  __run_timers+0x7e5/0xc70
[  415.291099]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  415.296737]  ? compat_start_thread+0x80/0x80
[  415.301153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.306695]  ? _raw_spin_unlock_irq+0x60/0x80
[  415.311197]  ? finish_task_switch+0x1f5/0x900
[  415.315694]  ? finish_task_switch+0x1b5/0x900
[  415.320193]  ? __switch_to_asm+0x34/0x70
[  415.324261]  ? preempt_notifier_register+0x200/0x200
[  415.329372]  ? __switch_to_asm+0x34/0x70
[  415.333439]  ? __switch_to_asm+0x40/0x70
[  415.337499]  ? __switch_to_asm+0x34/0x70
[  415.341568]  ? __switch_to_asm+0x40/0x70
[  415.345628]  ? __switch_to_asm+0x34/0x70
[  415.349705]  ? __switch_to_asm+0x40/0x70
[  415.353774]  ? __switch_to_asm+0x40/0x70
[  415.357846]  ? pvclock_read_flags+0x160/0x160
[  415.362348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.367892]  ? check_preemption_disabled+0x48/0x200
[  415.372940]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  415.378222]  ? rcu_pm_notify+0xc0/0xc0
[  415.382113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.387656]  ? check_preemption_disabled+0x48/0x200
[  415.392682]  run_timer_softirq+0x52/0xb0
[  415.396747]  ? rcu_read_lock_sched_held+0x108/0x120
[  415.401770]  __do_softirq+0x30b/0xad8
[  415.405593]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  415.410700]  ? trace_hardirqs_off_caller+0x300/0x300
[  415.415815]  ? schedule+0x108/0x460
[  415.419452]  ? __schedule+0x1ed0/0x1ed0
[  415.423437]  ? trace_hardirqs_off+0xb8/0x300
[  415.428317]  ? ___might_sleep+0x1ed/0x300
[  415.432470]  ? smpboot_thread_fn+0x68b/0xa00
[  415.436894]  ? trace_hardirqs_on+0x310/0x310
[  415.441310]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.447382]  ? check_preemption_disabled+0x48/0x200
[  415.452400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.457945]  ? takeover_tasklets+0xa90/0xa90
[  415.462364]  run_ksoftirqd+0x94/0x100
[  415.466166]  smpboot_thread_fn+0x68b/0xa00
[  415.470425]  ? sort_range+0x30/0x30
[  415.474056]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  415.479164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.484706]  ? __kthread_parkme+0xfb/0x1a0
[  415.488953]  kthread+0x35a/0x420
[  415.492323]  ? sort_range+0x30/0x30
[  415.495951]  ? kthread_bind+0x40/0x40
[  415.499759]  ret_from_fork+0x3a/0x50
[  415.503492] warn_alloc_show_mem: 1 callbacks suppressed
[  415.503513] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  415.503515] Mem-Info:
[  415.503546] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  415.503546]  active_file:28 inactive_file:21 isolated_file:0
[  415.503546]  unevictable:0 dirty:0 writeback:0 unstable:0
[  415.503546]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  415.503546]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  415.503546]  free:13666 free_pcp:197 free_cma:0
[  415.508882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.508891] Call Trace:
[  415.516181] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  415.518585]  <IRQ>
[  415.551643] Node 0 
[  415.561004]  dump_stack+0x1c4/0x2b4
[  415.563586] 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
[  415.591438]  ? dump_stack_print_info.cold.2+0x52/0x52
[  415.593568] lowmem_reserve[]:
[  415.595823]  warn_alloc.cold.118+0xb7/0x1bd
[  415.599416]  0
[  415.624910]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.630074]  2817
[  415.633173]  ? lock_downgrade+0x900/0x900
[  415.637467]  6321
[  415.639272]  ? trace_hardirqs_off+0xb8/0x300
[  415.644088]  6321
[  415.646147]  ? trace_hardirqs_off+0xb8/0x300
[  415.652332]  __alloc_pages_slowpath+0x2667/0x2d80
[  415.656709] Node 0 
[  415.658798]  ? warn_alloc+0x120/0x120
[  415.663178] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  415.667989]  ? warn_alloc+0x120/0x120
[  415.670194] lowmem_reserve[]: 0
[  415.674017]  ? print_usage_bug+0xc0/0xc0
[  415.700716]  0
[  415.704522]  ? warn_alloc+0x120/0x120
[  415.707784]  3503
[  415.711840]  ? lock_release+0x970/0x970
[  415.713620]  3503
[  415.717430]  ? print_usage_bug+0xc0/0xc0
[  415.723445]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.725488] Node 0 
[  415.729561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.734745] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  415.736950]  ? should_fail+0x22d/0xd01
[  415.742478] lowmem_reserve[]:
[  415.771020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.774878]  0
[  415.777981]  ? __lock_acquire+0x7ec/0x4ec0
[  415.783058]  0
[  415.784857]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.789062]  0 0
[  415.790866]  ? __lock_acquire+0x7ec/0x4ec0
[  415.797918]  ? should_fail+0x22d/0xd01
[  415.802126] Node 0 DMA: 
[  415.806012]  ? mark_held_locks+0x130/0x130
[  415.806015] 1*4kB (U) 
[  415.808691]  ? mark_held_locks+0x130/0x130
[  415.812900] 0*8kB 
[  415.815397]  ? kvm_clock_read+0x18/0x30
[  415.819601] 0*16kB 1*32kB 
[  415.821757]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.825709] (U) 
[  415.828550]  ? ktime_get+0x2e1/0x440
[  415.833542] 2*64kB 
[  415.835522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.839207] (U) 1*128kB 
[  415.841448]  ? graph_lock+0x170/0x170
[  415.846960] (U) 
[  415.849625]  ? print_usage_bug+0xc0/0xc0
[  415.853415] 1*256kB 
[  415.855388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.859426] (U) 
[  415.861750]  ? check_preemption_disabled+0x48/0x200
[  415.867301] 0*512kB 
[  415.869276]  ? check_preemption_disabled+0x48/0x200
[  415.874293] 1*1024kB 
[  415.876618]  ? __lock_is_held+0xb5/0x140
[  415.881605] (U) 
[  415.884017]  __alloc_pages_nodemask+0xa80/0xde0
[  415.888061] 1*2048kB (M) 
[  415.890056]  ? graph_lock+0x170/0x170
[  415.894706] 3*4096kB 
[  415.897459]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  415.901234] (M) 
[  415.903640]  ? graph_lock+0x170/0x170
[  415.908631] = 15908kB
[  415.908640] Node 0 
[  415.910621]  ? find_held_lock+0x36/0x1c0
[  415.914388] DMA32: 
[  415.916805]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.919008] 2*4kB 
[  415.923064]  ? lock_downgrade+0x900/0x900
[  415.925283] (M) 
[  415.929946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.932071] 0*8kB 
[  415.936215]  cache_grow_begin+0x91/0x8c0
[  415.938165] 3*16kB 
[  415.943698]  ? do_raw_spin_unlock+0xa7/0x2f0
[  415.945821] (M) 
[  415.949898]  fallback_alloc+0x203/0x2e0
[  415.952104] 2*32kB (UM) 
[  415.956528]  ____cache_alloc_node+0x1c7/0x1e0
[  415.958478] 2*64kB 
[  415.962453]  kmem_cache_alloc_node+0xe3/0x730
[  415.965106] (M) 
[  415.969598]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.971814] 4*128kB 
[  415.976312]  __alloc_skb+0x119/0x770
[  415.978258] (UM) 
[  415.982493]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  415.984783] 2*256kB (M) 
[  415.988499]  ? skb_scrub_packet+0x490/0x490
[  415.990549] 4*512kB 
[  415.995818]  ? lock_downgrade+0x900/0x900
[  415.998467] (UM) 
[  416.002795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.005084] 3*1024kB 
[  416.009225]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.011259] (M) 
[  416.016796]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.019175] 3*2048kB 
[  416.024621]  ? addrconf_rs_timer+0x6f0/0x6f0
[  416.026571] (UM) 
[  416.032026]  ndisc_alloc_skb+0x144/0x340
[  416.034410] 3*4096kB (M) 
[  416.038822]  ndisc_send_rs+0x331/0x6e0
[  416.040859] = 24824kB
[  416.044918]  addrconf_rs_timer+0x3c0/0x6f0
[  416.047653] Node 0 
[  416.051545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.053929] Normal: 
[  416.058167]  call_timer_fn+0x272/0x920
[  416.060373] 981*4kB 
[  416.064600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.066899] (UMEH) 
[  416.070787]  ? process_timeout+0x40/0x40
[  416.073084] 521*8kB 
[  416.077317]  ? find_held_lock+0x36/0x1c0
[  416.079537] (MEH) 
[  416.083598]  ? __run_timers+0x7da/0xc70
[  416.085898] 165*16kB 
[  416.089973]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.092098] (UMEH) 
[  416.096067]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.098453] 24*32kB 
[  416.102942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.105156] (MEH) 
[  416.109645]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  416.111944] 4*64kB 
[  416.116172]  ? trace_hardirqs_on+0xbd/0x310
[  416.118300] (MH) 
[  416.122875]  ? kasan_check_read+0x11/0x20
[  416.125090] 3*128kB 
[  416.129408]  ? __run_timers+0x7da/0xc70
[  416.131453] (UH) 
[  416.135597]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.137898] 1*256kB 
[  416.141879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.143907] (U) 
[  416.149351]  __run_timers+0x7e5/0xc70
[  416.151655] 1*512kB 
[  416.155896]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  416.157841] (U) 
[  416.161650]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.163943] 1*1024kB (H) 
[  416.169312]  ? graph_lock+0x170/0x170
[  416.171268] 0*2048kB 
[  416.176303]  ? enqueue_hrtimer+0x1a5/0x560
[  416.179040] 0*4096kB 
[  416.182837]  ? lock_release+0x970/0x970
[  416.185241] = 13932kB
[  416.189471]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.191872] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  416.195835]  ? find_held_lock+0x36/0x1c0
[  416.198225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  416.203403]  ? graph_lock+0x170/0x170
[  416.212214] 4507 total pagecache pages
[  416.216267]  ? pvclock_read_flags+0x160/0x160
[  416.224863] 0 pages in swap cache
[  416.228652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.232526] Swap cache stats: add 0, delete 0, find 0/0
[  416.237032]  ? check_preemption_disabled+0x48/0x200
[  416.240459] Free swap  = 0kB
[  416.246014]  ? __lock_is_held+0xb5/0x140
[  416.251347] Total swap = 0kB
[  416.256358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.259352] 1965979 pages RAM
[  416.263409]  ? check_preemption_disabled+0x48/0x200
[  416.266397] 0 pages HighMem/MovableOnly
[  416.266405] 342744 pages reserved
[  416.271945]  run_timer_softirq+0x52/0xb0
[  416.275021] 0 pages cma reserved
[  416.280033]  ? rcu_read_lock_sched_held+0x108/0x120
[  416.284064] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  416.287428]  __do_softirq+0x30b/0xad8
[  416.287458]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  416.291576] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.294873]  ? pvclock_read_flags+0x160/0x160
[  416.299864] ksoftirqd/1 cpuset=
[  416.306351]  ? lapic_next_event+0x5a/0x90
[  416.310130] /
[  416.315228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.325524]  mems_allowed=0
[  416.330019]  ? check_preemption_disabled+0x48/0x200
[  416.352556]  ? check_preemption_disabled+0x48/0x200
[  416.357586]  ? kvm_clock_read+0x18/0x30
[  416.361565]  ? kvm_sched_clock_read+0x9/0x20
[  416.366419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.371965]  ? check_preemption_disabled+0x48/0x200
[  416.376998]  irq_exit+0x17f/0x1c0
[  416.380459]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.385312]  ? smp_reschedule_interrupt+0x109/0x650
[  416.390338]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.396225]  ? interrupt_entry+0xb5/0xf0
[  416.400289]  ? trace_hardirqs_off_caller+0xbb/0x300
[  416.405306]  ? trace_hardirqs_off_caller+0xbb/0x300
[  416.410331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.415176]  ? trace_hardirqs_off+0x300/0x300
[  416.419672]  ? trace_hardirqs_off+0x300/0x300
[  416.424177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.429718]  ? check_preemption_disabled+0x48/0x200
[  416.434740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.440290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.445147]  apic_timer_interrupt+0xf/0x20
[  416.449377]  </IRQ>
[  416.451619] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  416.456554] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  416.475455] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  416.483166] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  416.490433] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  416.497700] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  416.504966] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  416.512238] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  416.519565]  skb_clone+0x1bb/0x500
[  416.523111]  ? skb_split+0x11e0/0x11e0
[  416.527013]  ? preempt_notifier_register+0x200/0x200
[  416.532119]  ? __switch_to_asm+0x34/0x70
[  416.536182]  ? __switch_to_asm+0x34/0x70
[  416.540241]  ? __switch_to_asm+0x40/0x70
[  416.544302]  ? __switch_to_asm+0x34/0x70
[  416.548366]  ? __switch_to_asm+0x40/0x70
[  416.552434]  ? __switch_to_asm+0x40/0x70
[  416.556497]  ? __switch_to_asm+0x34/0x70
[  416.560578]  ? __switch_to_asm+0x34/0x70
[  416.564646]  ? __switch_to_asm+0x40/0x70
[  416.568708]  ? __switch_to_asm+0x34/0x70
[  416.572790]  bpf_clone_redirect+0xb9/0x490
[  416.577040]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  416.582061]  ? __sched_text_start+0x8/0x8
[  416.586218]  ? lockdep_hardirqs_on+0x421/0x5c0
[  416.590806]  ? retint_kernel+0x2d/0x2d
[  416.594697]  ? trace_hardirqs_on_caller+0xc0/0x300
[  416.599637]  ? find_held_lock+0x36/0x1c0
[  416.603709]  ? lock_acquire+0x1ed/0x520
[  416.607685]  ? bpf_test_run+0x32e/0x5a0
[  416.611660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.617205]  ? check_preemption_disabled+0x48/0x200
[  416.622235]  ? kasan_check_read+0x11/0x20
[  416.626393]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  416.631675]  ? rcu_bh_qs+0xc0/0xc0
[  416.635226]  ? preempt_schedule+0x4d/0x60
[  416.639399]  ? ___preempt_schedule+0x16/0x18
[  416.643818]  ? bpf_test_run+0x1c0/0x5a0
[  416.647811]  ? netlink_diag_dump+0x2a0/0x2a0
[  416.652229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.657766]  ? bpf_test_init.isra.9+0x70/0x100
[  416.662359]  ? bpf_prog_test_run_skb+0x634/0xb40
[  416.667128]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  416.671972]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  416.677522]  ? fput+0x130/0x1a0
[  416.680817]  ? __bpf_prog_get+0x9b/0x290
[  416.684911]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  416.689754]  ? bpf_prog_test_run+0x130/0x1a0
[  416.694173]  ? __x64_sys_bpf+0x3d8/0x510
[  416.698235]  ? bpf_prog_get+0x20/0x20
[  416.702046]  ? ksys_ioctl+0x81/0xd0
[  416.705690]  ? do_syscall_64+0x1b9/0x820
[  416.709752]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  416.715125]  ? syscall_return_slowpath+0x5e0/0x5e0
[  416.720055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.724907]  ? trace_hardirqs_off+0x300/0x300
[  416.729405]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  416.734430]  ? prepare_exit_to_usermode+0x291/0x3b0
[  416.739454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.744309]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  416.749695] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  416.749785] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  416.756534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.756540] Call Trace:
[  416.756558]  dump_stack+0x1c4/0x2b4
[  416.756575]  ? dump_stack_print_info.cold.2+0x52/0x52
[  416.756602]  warn_alloc.cold.118+0xb7/0x1bd
[  416.763126] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.772414]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.774978] syz-executor0 cpuset=
[  416.778604]  ? lock_downgrade+0x900/0x900
[  416.783768] syz0
[  416.788086]  ? trace_hardirqs_off+0xb8/0x300
[  416.798544]  mems_allowed=0
[  416.803381]  ? trace_hardirqs_off+0xb8/0x300
[  416.824644]  __alloc_pages_slowpath+0x2667/0x2d80
[  416.829534]  ? warn_alloc+0x120/0x120
[  416.833348]  ? warn_alloc+0x120/0x120
[  416.837174]  ? print_usage_bug+0xc0/0xc0
[  416.841242]  ? warn_alloc+0x120/0x120
[  416.845052]  ? print_usage_bug+0xc0/0xc0
[  416.849118]  ? __lock_acquire+0x7ec/0x4ec0
[  416.853355]  ? __lock_acquire+0x7ec/0x4ec0
[  416.857607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.863148]  ? should_fail+0x22d/0xd01
[  416.867046]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.872154]  ? __lock_acquire+0x7ec/0x4ec0
[  416.876393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.881500]  ? __lock_acquire+0x7ec/0x4ec0
[  416.885746]  ? should_fail+0x22d/0xd01
[  416.889644]  ? mark_held_locks+0x130/0x130
[  416.893886]  ? mark_held_locks+0x130/0x130
[  416.898126]  ? graph_lock+0x170/0x170
[  416.901926]  ? graph_lock+0x170/0x170
[  416.905729]  ? graph_lock+0x170/0x170
[  416.909537]  ? print_usage_bug+0xc0/0xc0
[  416.913605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.919147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.924688]  ? check_preemption_disabled+0x48/0x200
[  416.929710]  ? check_preemption_disabled+0x48/0x200
[  416.934739]  ? __lock_is_held+0xb5/0x140
[  416.938813]  __alloc_pages_nodemask+0xa80/0xde0
[  416.943493]  ? graph_lock+0x170/0x170
[  416.947309]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  416.952326]  ? graph_lock+0x170/0x170
[  416.956157]  ? find_held_lock+0x36/0x1c0
[  416.960235]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.964908]  ? lock_downgrade+0x900/0x900
[  416.969069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.974617]  cache_grow_begin+0x91/0x8c0
[  416.978684]  ? do_raw_spin_unlock+0xa7/0x2f0
[  416.983103]  fallback_alloc+0x203/0x2e0
[  416.987087]  ____cache_alloc_node+0x1c7/0x1e0
[  416.991592]  kmem_cache_alloc_node+0xe3/0x730
[  416.996091]  ? ipv6_get_ifaddr+0x42e/0x620
[  417.000341]  __alloc_skb+0x119/0x770
[  417.004062]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  417.009345]  ? skb_scrub_packet+0x490/0x490
[  417.013671]  ? lock_downgrade+0x900/0x900
[  417.017831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.023373]  ? refcount_sub_and_test_checked+0x203/0x310
[  417.028833]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  417.034293]  ? addrconf_rs_timer+0x6f0/0x6f0
[  417.038720]  ndisc_alloc_skb+0x144/0x340
[  417.042795]  ndisc_send_rs+0x331/0x6e0
[  417.046692]  addrconf_rs_timer+0x3c0/0x6f0
[  417.050934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.055185]  call_timer_fn+0x272/0x920
[  417.059075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.063315]  ? process_timeout+0x40/0x40
[  417.067378]  ? find_held_lock+0x36/0x1c0
[  417.071453]  ? __run_timers+0x7da/0xc70
[  417.075432]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.079930]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.084436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.088675]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  417.093260]  ? trace_hardirqs_on+0xbd/0x310
[  417.097593]  ? kasan_check_read+0x11/0x20
[  417.101747]  ? __run_timers+0x7da/0xc70
[  417.105751]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.111214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.115460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.119698]  __run_timers+0x7e5/0xc70
[  417.123526]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  417.128986]  ? compat_start_thread+0x80/0x80
[  417.133404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.138947]  ? _raw_spin_unlock_irq+0x60/0x80
[  417.143446]  ? finish_task_switch+0x1f5/0x900
[  417.147945]  ? finish_task_switch+0x1b5/0x900
[  417.152439]  ? __switch_to_asm+0x34/0x70
[  417.156513]  ? preempt_notifier_register+0x200/0x200
[  417.161621]  ? __switch_to_asm+0x34/0x70
[  417.165681]  ? __switch_to_asm+0x40/0x70
[  417.169742]  ? __switch_to_asm+0x34/0x70
[  417.173803]  ? __switch_to_asm+0x40/0x70
[  417.177866]  ? __switch_to_asm+0x34/0x70
[  417.181929]  ? __switch_to_asm+0x40/0x70
[  417.185996]  ? __switch_to_asm+0x40/0x70
[  417.190066]  ? pvclock_read_flags+0x160/0x160
[  417.194571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.200115]  ? check_preemption_disabled+0x48/0x200
[  417.205162]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  417.210449]  ? rcu_pm_notify+0xc0/0xc0
[  417.214341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.219884]  ? check_preemption_disabled+0x48/0x200
[  417.224914]  run_timer_softirq+0x52/0xb0
[  417.228976]  ? rcu_read_lock_sched_held+0x108/0x120
[  417.234001]  __do_softirq+0x30b/0xad8
[  417.237824]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  417.242928]  ? trace_hardirqs_off_caller+0x300/0x300
[  417.248045]  ? schedule+0x108/0x460
[  417.251679]  ? __schedule+0x1ed0/0x1ed0
[  417.255681]  ? trace_hardirqs_off+0xb8/0x300
[  417.260095]  ? ___might_sleep+0x1ed/0x300
[  417.264245]  ? smpboot_thread_fn+0x68b/0xa00
[  417.268660]  ? trace_hardirqs_on+0x310/0x310
[  417.273073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.278615]  ? check_preemption_disabled+0x48/0x200
[  417.283635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.289177]  ? takeover_tasklets+0xa90/0xa90
[  417.293597]  run_ksoftirqd+0x94/0x100
[  417.297889]  smpboot_thread_fn+0x68b/0xa00
[  417.302133]  ? sort_range+0x30/0x30
[  417.305764]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  417.310873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.316415]  ? __kthread_parkme+0xfb/0x1a0
[  417.320678]  kthread+0x35a/0x420
[  417.324050]  ? sort_range+0x30/0x30
[  417.327676]  ? kthread_bind+0x40/0x40
[  417.331483]  ret_from_fork+0x3a/0x50
[  417.335223] warn_alloc_show_mem: 1 callbacks suppressed
[  417.335235] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  417.335237] Mem-Info:
[  417.335269] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  417.335269]  active_file:28 inactive_file:21 isolated_file:0
[  417.335269]  unevictable:0 dirty:0 writeback:0 unstable:0
[  417.335269]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  417.335269]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  417.335269]  free:13666 free_pcp:197 free_cma:0
[  417.340605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.340613] Call Trace:
[  417.347895] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  417.350297]  <IRQ>
[  417.383352] Node 0 
[  417.392721]  dump_stack+0x1c4/0x2b4
[  417.395299] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  417.423133]  ? dump_stack_print_info.cold.2+0x52/0x52
[  417.425258] lowmem_reserve[]:
[  417.427832]  warn_alloc.cold.118+0xb7/0x1bd
[  417.431452]  0
[  417.456971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.462132]  2817 6321
[  417.465244]  ? lock_downgrade+0x900/0x900
[  417.469542]  6321
[  417.471346]  ? trace_hardirqs_off+0xb8/0x300
[  417.476158] Node 0 
[  417.478652]  ? trace_hardirqs_off+0xb8/0x300
[  417.482796] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  417.484845]  __alloc_pages_slowpath+0x2667/0x2d80
[  417.489221] lowmem_reserve[]:
[  417.491486]  ? warn_alloc+0x120/0x120
[  417.495840]  0
[  417.522561]  ? warn_alloc+0x120/0x120
[  417.527381]  0
[  417.530499]  ? print_usage_bug+0xc0/0xc0
[  417.534286]  3503
[  417.536089]  ? warn_alloc+0x120/0x120
[  417.539860]  3503
[  417.541664]  ? print_usage_bug+0xc0/0xc0
[  417.545703] Node 0 
[  417.547761]  ? __lock_acquire+0x7ec/0x4ec0
[  417.551568] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  417.553603]  ? __lock_acquire+0x7ec/0x4ec0
[  417.557637] lowmem_reserve[]: 0
[  417.559882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.564086]  0 0
[  417.592737]  ? should_fail+0x22d/0xd01
[  417.596943]  0
[  417.600221]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.607707]  ? __lock_acquire+0x7ec/0x4ec0
[  417.611576] Node 0 
[  417.613378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.618472] DMA: 
[  417.622701]  ? __lock_acquire+0x7ec/0x4ec0
[  417.624913] 1*4kB 
[  417.630013]  ? should_fail+0x22d/0xd01
[  417.630038]  ? mark_held_locks+0x130/0x130
[  417.632071] (U) 
[  417.636300]  ? mark_held_locks+0x130/0x130
[  417.638426] 0*8kB 
[  417.642310]  ? graph_lock+0x170/0x170
[  417.646529] 0*16kB 
[  417.648503]  ? graph_lock+0x170/0x170
[  417.652721] 1*32kB 
[  417.654865]  ? graph_lock+0x170/0x170
[  417.658640] (U) 
[  417.660870]  ? print_usage_bug+0xc0/0xc0
[  417.664649] 2*64kB 
[  417.666882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.670655] (U) 
[  417.672625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.676662] 1*128kB 
[  417.678901]  ? check_preemption_disabled+0x48/0x200
[  417.684409] (U) 
[  417.686382]  ? check_preemption_disabled+0x48/0x200
[  417.691892] 1*256kB 
[  417.694215]  ? __lock_is_held+0xb5/0x140
[  417.699197] (U) 
[  417.701171]  __alloc_pages_nodemask+0xa80/0xde0
[  417.706157] 0*512kB 
[  417.708475]  ? graph_lock+0x170/0x170
[  417.712518] 1*1024kB 
[  417.714489]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  417.719135] (U) 
[  417.721455]  ? graph_lock+0x170/0x170
[  417.725230] 1*2048kB 
[  417.727639]  ? find_held_lock+0x36/0x1c0
[  417.732622] (M) 
[  417.734602]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.738374] 3*4096kB 
[  417.740783]  ? lock_downgrade+0x900/0x900
[  417.744812] (M) 
[  417.746792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.751428] = 15908kB
[  417.753835]  cache_grow_begin+0x91/0x8c0
[  417.757959] Node 0 
[  417.759929]  ? do_raw_spin_unlock+0xa7/0x2f0
[  417.765438] DMA32: 
[  417.767864]  fallback_alloc+0x203/0x2e0
[  417.771901] 2*4kB 
[  417.774138]  ____cache_alloc_node+0x1c7/0x1e0
[  417.778523] (M) 
[  417.780758]  kmem_cache_alloc_node+0xe3/0x730
[  417.784709] 0*8kB 
[  417.786854]  ? ipv6_get_ifaddr+0x42e/0x620
[  417.791321] 3*16kB 
[  417.793295]  __alloc_skb+0x119/0x770
[  417.797786] (M) 
[  417.799936]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  417.804137] 2*32kB (UM) 
[  417.806379]  ? skb_scrub_packet+0x490/0x490
[  417.810068] 2*64kB 
[  417.812042]  ? lock_downgrade+0x900/0x900
[  417.817300] (M) 
[  417.819973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.824259] 4*128kB (UM) 
[  417.826503]  ? refcount_sub_and_test_checked+0x203/0x310
[  417.830633] 2*256kB 
[  417.832622]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  417.838132] (M) 
[  417.840886]  ? addrconf_rs_timer+0x6f0/0x6f0
[  417.846309] 4*512kB 
[  417.848633]  ndisc_alloc_skb+0x144/0x340
[  417.854066] (UM) 
[  417.856049]  ndisc_send_rs+0x331/0x6e0
[  417.860431] 3*1024kB 
[  417.862755]  addrconf_rs_timer+0x3c0/0x6f0
[  417.866813] (M) 
[  417.868892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.872770] 3*2048kB 
[  417.875194]  call_timer_fn+0x272/0x920
[  417.879386] (UM) 3*4096kB 
[  417.881368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.885572] (M) = 24824kB
[  417.887986]  ? process_timeout+0x40/0x40
[  417.891871] Node 0 
[  417.894727]  ? find_held_lock+0x36/0x1c0
[  417.898944] Normal: 
[  417.901709]  ? __run_timers+0x7da/0xc70
[  417.905741] 981*4kB 
[  417.907973]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.912005] (UMEH) 
[  417.914320]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.918266] 521*8kB (MEH) 
[  417.920594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.925080] 165*16kB 
[  417.927311]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  417.931789] (UMEH) 
[  417.934631]  ? trace_hardirqs_on+0xbd/0x310
[  417.938844] 24*32kB 
[  417.941249]  ? kasan_check_read+0x11/0x20
[  417.945809] (MEH) 
[  417.948045]  ? __run_timers+0x7da/0xc70
[  417.952341] 4*64kB 
[  417.954658]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.958772] (MH) 3*128kB 
[  417.960932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.964876] (UH) 
[  417.967111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.972534] 1*256kB (U) 
[  417.975301]  __run_timers+0x7e5/0xc70
[  417.979516] 1*512kB 
[  417.981586]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  417.985788] (U) 
[  417.988456]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.992230] 1*1024kB 
[  417.994550]  ? graph_lock+0x170/0x170
[  417.999887] (H) 
[  418.001857]  ? enqueue_hrtimer+0x1a5/0x560
[  418.006849] 0*2048kB 
[  418.009254]  ? lock_release+0x970/0x970
[  418.013030] 0*4096kB 
[  418.014999]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.019212] = 13932kB
[  418.021618]  ? find_held_lock+0x36/0x1c0
[  418.025574] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  418.027975]  ? graph_lock+0x170/0x170
[  418.033154] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  418.035554]  ? pvclock_read_flags+0x160/0x160
[  418.039595] 4507 total pagecache pages
[  418.048426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.052207] 0 pages in swap cache
[  418.060796]  ? check_preemption_disabled+0x48/0x200
[  418.065265] Swap cache stats: add 0, delete 0, find 0/0
[  418.069165]  ? __lock_is_held+0xb5/0x140
[  418.074674] Free swap  = 0kB
[  418.078121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.083118] Total swap = 0kB
[  418.088477]  ? check_preemption_disabled+0x48/0x200
[  418.092518] 1965979 pages RAM
[  418.095543]  run_timer_softirq+0x52/0xb0
[  418.101051] 0 pages HighMem/MovableOnly
[  418.104063]  ? rcu_read_lock_sched_held+0x108/0x120
[  418.109060] 342744 pages reserved
[  418.112167]  __do_softirq+0x30b/0xad8
[  418.116193] 0 pages cma reserved
[  418.116300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.120180]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  418.125250] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.128635]  ? pvclock_read_flags+0x160/0x160
[  418.132411] ksoftirqd/1 cpuset=
[  418.135784]  ? lapic_next_event+0x5a/0x90
[  418.142248] /
[  418.147349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.157654]  mems_allowed=0
[  418.162148]  ? check_preemption_disabled+0x48/0x200
[  418.184711]  ? check_preemption_disabled+0x48/0x200
[  418.189741]  ? kvm_clock_read+0x18/0x30
[  418.193722]  ? kvm_sched_clock_read+0x9/0x20
[  418.198142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.203703]  ? check_preemption_disabled+0x48/0x200
[  418.208736]  irq_exit+0x17f/0x1c0
[  418.212197]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.217049]  ? smp_reschedule_interrupt+0x109/0x650
[  418.222076]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.227969]  ? interrupt_entry+0xb5/0xf0
[  418.232036]  ? trace_hardirqs_off_caller+0xbb/0x300
[  418.237143]  ? trace_hardirqs_off_caller+0xbb/0x300
[  418.242168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.247014]  ? trace_hardirqs_off+0x300/0x300
[  418.251516]  ? trace_hardirqs_off+0x300/0x300
[  418.256022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.261580]  ? check_preemption_disabled+0x48/0x200
[  418.266599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.272154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.277011]  apic_timer_interrupt+0xf/0x20
[  418.281241]  </IRQ>
[  418.283488] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  418.288433] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  418.307658] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  418.315379] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  418.322652] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  418.330013] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  418.337289] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  418.344559] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  418.351888]  skb_clone+0x1bb/0x500
[  418.355433]  ? skb_split+0x11e0/0x11e0
[  418.359325]  ? preempt_notifier_register+0x200/0x200
[  418.364429]  ? __switch_to_asm+0x34/0x70
[  418.368492]  ? __switch_to_asm+0x34/0x70
[  418.372648]  ? __switch_to_asm+0x40/0x70
[  418.376711]  ? __switch_to_asm+0x34/0x70
[  418.380775]  ? __switch_to_asm+0x40/0x70
[  418.384848]  ? __switch_to_asm+0x40/0x70
[  418.388909]  ? __switch_to_asm+0x34/0x70
[  418.392972]  ? __switch_to_asm+0x34/0x70
[  418.397035]  ? __switch_to_asm+0x40/0x70
[  418.401099]  ? __switch_to_asm+0x34/0x70
[  418.405219]  bpf_clone_redirect+0xb9/0x490
[  418.409527]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  418.414551]  ? __sched_text_start+0x8/0x8
[  418.418706]  ? lockdep_hardirqs_on+0x421/0x5c0
[  418.423296]  ? retint_kernel+0x2d/0x2d
[  418.427186]  ? trace_hardirqs_on_caller+0xc0/0x300
[  418.432123]  ? find_held_lock+0x36/0x1c0
[  418.436192]  ? lock_acquire+0x1ed/0x520
[  418.440165]  ? bpf_test_run+0x32e/0x5a0
[  418.444141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.449686]  ? check_preemption_disabled+0x48/0x200
[  418.454713]  ? kasan_check_read+0x11/0x20
[  418.458870]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  418.464151]  ? rcu_bh_qs+0xc0/0xc0
[  418.467697]  ? preempt_schedule+0x4d/0x60
[  418.471848]  ? ___preempt_schedule+0x16/0x18
[  418.476271]  ? bpf_test_run+0x1c0/0x5a0
[  418.480260]  ? netlink_diag_dump+0x2a0/0x2a0
[  418.484675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.490212]  ? bpf_test_init.isra.9+0x70/0x100
[  418.494808]  ? bpf_prog_test_run_skb+0x634/0xb40
[  418.499572]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  418.504415]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  418.509955]  ? fput+0x130/0x1a0
[  418.513241]  ? __bpf_prog_get+0x9b/0x290
[  418.517310]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  418.522150]  ? bpf_prog_test_run+0x130/0x1a0
[  418.526564]  ? __x64_sys_bpf+0x3d8/0x510
[  418.530627]  ? bpf_prog_get+0x20/0x20
[  418.534442]  ? ksys_ioctl+0x81/0xd0
[  418.538086]  ? do_syscall_64+0x1b9/0x820
[  418.542148]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  418.547522]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.552455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.557303]  ? trace_hardirqs_off+0x300/0x300
[  418.561807]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  418.566826]  ? prepare_exit_to_usermode+0x291/0x3b0
[  418.571854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.576708]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  418.582096] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  418.582191] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.588952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.588958] Call Trace:
[  418.588977]  dump_stack+0x1c4/0x2b4
[  418.588993]  ? dump_stack_print_info.cold.2+0x52/0x52
[  418.589020]  warn_alloc.cold.118+0xb7/0x1bd
[  418.595557] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.604844]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.607405] syz-executor0 cpuset=
[  418.611025]  ? lock_downgrade+0x900/0x900
[  418.616189] syz0
[  418.620522]  ? trace_hardirqs_off+0xb8/0x300
[  418.630984]  mems_allowed=0
[  418.635820]  ? trace_hardirqs_off+0xb8/0x300
[  418.657059]  __alloc_pages_slowpath+0x2667/0x2d80
[  418.661938]  ? warn_alloc+0x120/0x120
[  418.665750]  ? warn_alloc+0x120/0x120
[  418.669558]  ? print_usage_bug+0xc0/0xc0
[  418.673628]  ? warn_alloc+0x120/0x120
[  418.677435]  ? print_usage_bug+0xc0/0xc0
[  418.681503]  ? __lock_acquire+0x7ec/0x4ec0
[  418.685753]  ? __lock_acquire+0x7ec/0x4ec0
[  418.689993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.695542]  ? should_fail+0x22d/0xd01
[  418.699436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.704545]  ? __lock_acquire+0x7ec/0x4ec0
[  418.708790]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.713898]  ? __lock_acquire+0x7ec/0x4ec0
[  418.718133]  ? should_fail+0x22d/0xd01
[  418.722034]  ? mark_held_locks+0x130/0x130
[  418.726275]  ? mark_held_locks+0x130/0x130
[  418.730696]  ? graph_lock+0x170/0x170
[  418.734501]  ? graph_lock+0x170/0x170
[  418.738316]  ? graph_lock+0x170/0x170
[  418.742115]  ? print_usage_bug+0xc0/0xc0
[  418.746180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.751719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.757259]  ? check_preemption_disabled+0x48/0x200
[  418.762285]  ? check_preemption_disabled+0x48/0x200
[  418.767316]  ? __lock_is_held+0xb5/0x140
[  418.771388]  __alloc_pages_nodemask+0xa80/0xde0
[  418.776061]  ? graph_lock+0x170/0x170
[  418.779870]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  418.784886]  ? graph_lock+0x170/0x170
[  418.788700]  ? find_held_lock+0x36/0x1c0
[  418.792773]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.797444]  ? lock_downgrade+0x900/0x900
[  418.801607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.807152]  cache_grow_begin+0x91/0x8c0
[  418.811216]  ? do_raw_spin_unlock+0xa7/0x2f0
[  418.815637]  fallback_alloc+0x203/0x2e0
[  418.819621]  ____cache_alloc_node+0x1c7/0x1e0
[  418.824125]  kmem_cache_alloc_node+0xe3/0x730
[  418.828624]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.832873]  __alloc_skb+0x119/0x770
[  418.836594]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  418.841876]  ? skb_scrub_packet+0x490/0x490
[  418.846199]  ? lock_downgrade+0x900/0x900
[  418.850361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.855905]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.861366]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.866822]  ? addrconf_rs_timer+0x6f0/0x6f0
[  418.871249]  ndisc_alloc_skb+0x144/0x340
[  418.875322]  ndisc_send_rs+0x331/0x6e0
[  418.879222]  addrconf_rs_timer+0x3c0/0x6f0
[  418.883465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.887718]  call_timer_fn+0x272/0x920
[  418.891611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.895849]  ? process_timeout+0x40/0x40
[  418.899910]  ? find_held_lock+0x36/0x1c0
[  418.903983]  ? __run_timers+0x7da/0xc70
[  418.907964]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.912461]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.916955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.921194]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  418.925779]  ? trace_hardirqs_on+0xbd/0x310
[  418.930107]  ? kasan_check_read+0x11/0x20
[  418.934260]  ? __run_timers+0x7da/0xc70
[  418.938274]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  418.943739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.947984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.952219]  __run_timers+0x7e5/0xc70
[  418.956037]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  418.961401]  ? compat_start_thread+0x80/0x80
[  418.965831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.971377]  ? _raw_spin_unlock_irq+0x60/0x80
[  418.975875]  ? finish_task_switch+0x1f5/0x900
[  418.980371]  ? finish_task_switch+0x1b5/0x900
[  418.984870]  ? __switch_to_asm+0x34/0x70
[  418.988935]  ? preempt_notifier_register+0x200/0x200
[  418.994037]  ? __switch_to_asm+0x34/0x70
[  418.998098]  ? __switch_to_asm+0x40/0x70
[  419.002159]  ? __switch_to_asm+0x34/0x70
[  419.006223]  ? __switch_to_asm+0x40/0x70
[  419.010290]  ? __switch_to_asm+0x34/0x70
[  419.014353]  ? __switch_to_asm+0x40/0x70
[  419.018417]  ? __switch_to_asm+0x40/0x70
[  419.022486]  ? pvclock_read_flags+0x160/0x160
[  419.026995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.032546]  ? check_preemption_disabled+0x48/0x200
[  419.037587]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  419.042866]  ? rcu_pm_notify+0xc0/0xc0
[  419.046756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.052302]  ? check_preemption_disabled+0x48/0x200
[  419.057333]  run_timer_softirq+0x52/0xb0
[  419.061401]  ? rcu_read_lock_sched_held+0x108/0x120
[  419.066428]  __do_softirq+0x30b/0xad8
[  419.070241]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  419.075347]  ? trace_hardirqs_off_caller+0x300/0x300
[  419.080459]  ? schedule+0x108/0x460
[  419.084091]  ? __schedule+0x1ed0/0x1ed0
[  419.088073]  ? trace_hardirqs_off+0xb8/0x300
[  419.092483]  ? ___might_sleep+0x1ed/0x300
[  419.096641]  ? smpboot_thread_fn+0x68b/0xa00
[  419.101055]  ? trace_hardirqs_on+0x310/0x310
[  419.105466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.111009]  ? check_preemption_disabled+0x48/0x200
[  419.116024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.121568]  ? takeover_tasklets+0xa90/0xa90
[  419.125985]  run_ksoftirqd+0x94/0x100
[  419.129788]  smpboot_thread_fn+0x68b/0xa00
[  419.134028]  ? sort_range+0x30/0x30
[  419.137660]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.142766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.148306]  ? __kthread_parkme+0xfb/0x1a0
[  419.152548]  kthread+0x35a/0x420
[  419.155919]  ? sort_range+0x30/0x30
[  419.159557]  ? kthread_bind+0x40/0x40
[  419.163365]  ret_from_fork+0x3a/0x50
[  419.167096] warn_alloc_show_mem: 1 callbacks suppressed
[  419.167109] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  419.167110] Mem-Info:
[  419.167144] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  419.167144]  active_file:28 inactive_file:21 isolated_file:0
[  419.167144]  unevictable:0 dirty:0 writeback:0 unstable:0
[  419.167144]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  419.167144]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  419.167144]  free:13666 free_pcp:197 free_cma:0
[  419.172470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.172479] Call Trace:
[  419.179764] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  419.182165]  <IRQ>
[  419.215209] Node 0 
[  419.224617]  dump_stack+0x1c4/0x2b4
[  419.227202] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  419.255022]  ? dump_stack_print_info.cold.2+0x52/0x52
[  419.257141] lowmem_reserve[]: 0
[  419.259395]  warn_alloc.cold.118+0xb7/0x1bd
[  419.262986]  2817
[  419.288497]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.293670]  6321
[  419.297284]  ? lock_downgrade+0x900/0x900
[  419.301587]  6321
[  419.303651]  ? trace_hardirqs_off+0xb8/0x300
[  419.310535]  ? trace_hardirqs_off+0xb8/0x300
[  419.314656] Node 0 
[  419.316718]  __alloc_pages_slowpath+0x2667/0x2d80
[  419.321117] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  419.325530]  ? warn_alloc+0x120/0x120
[  419.327715] lowmem_reserve[]:
[  419.332555]  ? warn_alloc+0x120/0x120
[  419.359254]  0
[  419.363051]  ? print_usage_bug+0xc0/0xc0
[  419.366124]  0 3503
[  419.369927]  ? warn_alloc+0x120/0x120
[  419.371705]  3503
[  419.375761]  ? print_usage_bug+0xc0/0xc0
[  419.381772]  ? __lock_acquire+0x7ec/0x4ec0
[  419.383812] Node 0 
[  419.387867]  ? __lock_acquire+0x7ec/0x4ec0
[  419.392102] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  419.394314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.398531] lowmem_reserve[]:
[  419.427325]  ? should_fail+0x22d/0xd01
[  419.432839]  0
[  419.435973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.439837]  0
[  419.441645]  ? __lock_acquire+0x7ec/0x4ec0
[  419.446721]  0
[  419.448527]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.452750]  0
[  419.454547]  ? __lock_acquire+0x7ec/0x4ec0
[  419.461424]  ? should_fail+0x22d/0xd01
[  419.465643] Node 0 DMA: 1*4kB 
[  419.469540]  ? mark_held_locks+0x130/0x130
[  419.469558]  ? mark_held_locks+0x130/0x130
[  419.472726] (U) 
[  419.476954]  ? graph_lock+0x170/0x170
[  419.481164] 0*8kB 
[  419.483132]  ? graph_lock+0x170/0x170
[  419.486904] 0*16kB 1*32kB 
[  419.489057]  ? graph_lock+0x170/0x170
[  419.492833] (U) 
[  419.495672]  ? print_usage_bug+0xc0/0xc0
[  419.499445] 2*64kB (U) 
[  419.501426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.505456] 1*128kB (U) 
[  419.508065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.513579] 1*256kB 
[  419.516250]  ? check_preemption_disabled+0x48/0x200
[  419.521803] (U) 
[  419.524127]  ? check_preemption_disabled+0x48/0x200
[  419.529112] 0*512kB 1*1024kB 
[  419.531099]  ? __lock_is_held+0xb5/0x140
[  419.536081] (U) 
[  419.539189]  __alloc_pages_nodemask+0xa80/0xde0
[  419.543217] 1*2048kB (M) 
[  419.545200]  ? graph_lock+0x170/0x170
[  419.549847] 3*4096kB 
[  419.552604]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  419.556377] (M) 
[  419.558790]  ? graph_lock+0x170/0x170
[  419.563787] = 15908kB
[  419.565767]  ? find_held_lock+0x36/0x1c0
[  419.569542] Node 0 
[  419.571954]  ? ____cache_alloc_node+0x1c7/0x1e0
[  419.575986] DMA32: 
[  419.578218]  ? lock_downgrade+0x900/0x900
[  419.582865] 2*4kB 
[  419.585102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.589219] (M) 
[  419.591369]  cache_grow_begin+0x91/0x8c0
[  419.596879] 0*8kB 
[  419.598848]  ? do_raw_spin_unlock+0xa7/0x2f0
[  419.602883] 3*16kB 
[  419.605032]  fallback_alloc+0x203/0x2e0
[  419.609414] (M) 
[  419.611651]  ____cache_alloc_node+0x1c7/0x1e0
[  419.615596] 2*32kB 
[  419.617569]  kmem_cache_alloc_node+0xe3/0x730
[  419.622038] (UM) 
[  419.624271]  ? ipv6_get_ifaddr+0x42e/0x620
[  419.628741] 2*64kB (M) 
[  419.630819]  __alloc_skb+0x119/0x770
[  419.635018] 4*128kB (UM) 
[  419.637608]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  419.641291] 2*256kB (M) 
[  419.644057]  ? skb_scrub_packet+0x490/0x490
[  419.649312] 4*512kB 
[  419.651979]  ? lock_downgrade+0x900/0x900
[  419.656286] (UM) 
[  419.658607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.662724] 3*1024kB 
[  419.664790]  ? refcount_sub_and_test_checked+0x203/0x310
[  419.670294] (M) 
[  419.672705]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  419.678130] 3*2048kB (UM) 
[  419.680141]  ? addrconf_rs_timer+0x6f0/0x6f0
[  419.685570] 3*4096kB 
[  419.688423]  ndisc_alloc_skb+0x144/0x340
[  419.692795] (M) 
[  419.695207]  ndisc_send_rs+0x331/0x6e0
[  419.699243] = 24824kB
[  419.701217]  addrconf_rs_timer+0x3c0/0x6f0
[  419.705075] Node 0 
[  419.707487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.711695] Normal: 
[  419.713936]  call_timer_fn+0x272/0x920
[  419.718153] 981*4kB 
[  419.720477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.724341] (UMEH) 
[  419.726659]  ? process_timeout+0x40/0x40
[  419.730869] 521*8kB 
[  419.733102]  ? find_held_lock+0x36/0x1c0
[  419.737141] (MEH) 
[  419.739464]  ? __run_timers+0x7da/0xc70
[  419.743489] 165*16kB (UMEH) 
[  419.745649]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.749602] 24*32kB (MEH) 
[  419.752623]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.757088] 4*64kB (MH) 
[  419.759936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.764400] 3*128kB (UH) 
[  419.767121]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  419.771324] 1*256kB (U) 
[  419.774087]  ? trace_hardirqs_on+0xbd/0x310
[  419.778642] 1*512kB 
[  419.781332]  ? kasan_check_read+0x11/0x20
[  419.785627] (U) 
[  419.787950]  ? __run_timers+0x7da/0xc70
[  419.792071] 1*1024kB 
[  419.794040]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.797987] (H) 
[  419.800397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.805817] 0*2048kB 0*4096kB 
[  419.807806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.812007] = 13932kB
[  419.815197]  __run_timers+0x7e5/0xc70
[  419.819416] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  419.821829]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  419.825603] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  419.834434]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  419.839770] 4507 total pagecache pages
[  419.848342]  ? graph_lock+0x170/0x170
[  419.853341] 0 pages in swap cache
[  419.857218]  ? enqueue_hrtimer+0x1a5/0x560
[  419.860993] Swap cache stats: add 0, delete 0, find 0/0
[  419.861002] Free swap  = 0kB
[  419.864448]  ? lock_release+0x970/0x970
[  419.868658] Total swap = 0kB
[  419.874015]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  419.877024] 1965979 pages RAM
[  419.880997]  ? find_held_lock+0x36/0x1c0
[  419.883986] 0 pages HighMem/MovableOnly
[  419.883995] 342744 pages reserved
[  419.889180]  ? graph_lock+0x170/0x170
[  419.892276] 0 pages cma reserved
[  419.896334]  ? pvclock_read_flags+0x160/0x160
[  419.900375] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  419.903761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.907636] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.910907]  ? check_preemption_disabled+0x48/0x200
[  419.915377] ksoftirqd/1 cpuset=
[  419.921868]  ? __lock_is_held+0xb5/0x140
[  419.927371] /
[  419.937684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.942683]  mems_allowed=0
[  419.945959]  ? check_preemption_disabled+0x48/0x200
[  419.965150]  run_timer_softirq+0x52/0xb0
[  419.969214]  ? rcu_read_lock_sched_held+0x108/0x120
[  419.974242]  __do_softirq+0x30b/0xad8
[  419.978056]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  419.983171]  ? pvclock_read_flags+0x160/0x160
[  419.987670]  ? lapic_next_event+0x5a/0x90
[  419.991820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.997366]  ? check_preemption_disabled+0x48/0x200
[  420.002406]  ? check_preemption_disabled+0x48/0x200
[  420.007434]  ? kvm_clock_read+0x18/0x30
[  420.011414]  ? kvm_sched_clock_read+0x9/0x20
[  420.015833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.021377]  ? check_preemption_disabled+0x48/0x200
[  420.026412]  irq_exit+0x17f/0x1c0
[  420.029878]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.034723]  ? smp_reschedule_interrupt+0x109/0x650
[  420.039746]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.045636]  ? interrupt_entry+0xb5/0xf0
[  420.049704]  ? trace_hardirqs_off_caller+0xbb/0x300
[  420.054720]  ? trace_hardirqs_off_caller+0xbb/0x300
[  420.059743]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.064594]  ? trace_hardirqs_off+0x300/0x300
[  420.069087]  ? trace_hardirqs_off+0x300/0x300
[  420.073589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.079134]  ? check_preemption_disabled+0x48/0x200
[  420.084167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.089717]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.094576]  apic_timer_interrupt+0xf/0x20
[  420.098814]  </IRQ>
[  420.101057] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  420.105990] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  420.124895] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  420.132606] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  420.139876] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  420.147150] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  420.154417] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  420.161695] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  420.169016]  skb_clone+0x1bb/0x500
[  420.172578]  ? skb_split+0x11e0/0x11e0
[  420.176472]  ? preempt_notifier_register+0x200/0x200
[  420.181580]  ? __switch_to_asm+0x34/0x70
[  420.185640]  ? __switch_to_asm+0x34/0x70
[  420.189702]  ? __switch_to_asm+0x40/0x70
[  420.193766]  ? __switch_to_asm+0x34/0x70
[  420.197831]  ? __switch_to_asm+0x40/0x70
[  420.201896]  ? __switch_to_asm+0x40/0x70
[  420.205956]  ? __switch_to_asm+0x34/0x70
[  420.210022]  ? __switch_to_asm+0x34/0x70
[  420.214083]  ? __switch_to_asm+0x40/0x70
[  420.218160]  ? __switch_to_asm+0x34/0x70
[  420.222235]  bpf_clone_redirect+0xb9/0x490
[  420.226481]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  420.231518]  ? __sched_text_start+0x8/0x8
[  420.235672]  ? lockdep_hardirqs_on+0x421/0x5c0
[  420.240256]  ? retint_kernel+0x2d/0x2d
[  420.244150]  ? trace_hardirqs_on_caller+0xc0/0x300
[  420.249088]  ? find_held_lock+0x36/0x1c0
[  420.253157]  ? lock_acquire+0x1ed/0x520
[  420.257137]  ? bpf_test_run+0x32e/0x5a0
[  420.261115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.266670]  ? check_preemption_disabled+0x48/0x200
[  420.271695]  ? kasan_check_read+0x11/0x20
[  420.275934]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  420.281211]  ? rcu_bh_qs+0xc0/0xc0
[  420.284755]  ? preempt_schedule+0x4d/0x60
[  420.288909]  ? ___preempt_schedule+0x16/0x18
[  420.293326]  ? bpf_test_run+0x1c0/0x5a0
[  420.297312]  ? netlink_diag_dump+0x2a0/0x2a0
[  420.301730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.307268]  ? bpf_test_init.isra.9+0x70/0x100
[  420.311861]  ? bpf_prog_test_run_skb+0x634/0xb40
[  420.316631]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  420.321476]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  420.327019]  ? fput+0x130/0x1a0
[  420.330306]  ? __bpf_prog_get+0x9b/0x290
[  420.334371]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  420.339214]  ? bpf_prog_test_run+0x130/0x1a0
[  420.343631]  ? __x64_sys_bpf+0x3d8/0x510
[  420.347694]  ? bpf_prog_get+0x20/0x20
[  420.351531]  ? ksys_ioctl+0x81/0xd0
[  420.355174]  ? do_syscall_64+0x1b9/0x820
[  420.359242]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  420.364632]  ? syscall_return_slowpath+0x5e0/0x5e0
[  420.369566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.374412]  ? trace_hardirqs_off+0x300/0x300
[  420.378914]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  420.383936]  ? prepare_exit_to_usermode+0x291/0x3b0
[  420.388966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.393827]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  420.399211] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  420.399297] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.406050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.406056] Call Trace:
[  420.406076]  dump_stack+0x1c4/0x2b4
[  420.406093]  ? dump_stack_print_info.cold.2+0x52/0x52
[  420.406119]  warn_alloc.cold.118+0xb7/0x1bd
[  420.412650] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.421940]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.424500] syz-executor0 cpuset=
[  420.428646]  ? lock_downgrade+0x900/0x900
[  420.433813] syz0
[  420.438138]  ? trace_hardirqs_off+0xb8/0x300
[  420.448596]  mems_allowed=0
[  420.453436]  ? trace_hardirqs_off+0xb8/0x300
[  420.474687]  __alloc_pages_slowpath+0x2667/0x2d80
[  420.479572]  ? warn_alloc+0x120/0x120
[  420.483386]  ? warn_alloc+0x120/0x120
[  420.487193]  ? print_usage_bug+0xc0/0xc0
[  420.491254]  ? warn_alloc+0x120/0x120
[  420.495062]  ? print_usage_bug+0xc0/0xc0
[  420.499131]  ? __lock_acquire+0x7ec/0x4ec0
[  420.503367]  ? __lock_acquire+0x7ec/0x4ec0
[  420.507618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.513159]  ? should_fail+0x22d/0xd01
[  420.517056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.522194]  ? __lock_acquire+0x7ec/0x4ec0
[  420.526441]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.531550]  ? __lock_acquire+0x7ec/0x4ec0
[  420.535788]  ? should_fail+0x22d/0xd01
[  420.539694]  ? print_usage_bug+0xc0/0xc0
[  420.543769]  ? mark_held_locks+0x130/0x130
[  420.548012]  ? mark_held_locks+0x130/0x130
[  420.552258]  ? graph_lock+0x170/0x170
[  420.556063]  ? print_usage_bug+0xc0/0xc0
[  420.560145]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  420.564935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.570479]  ? check_preemption_disabled+0x48/0x200
[  420.575505]  ? check_preemption_disabled+0x48/0x200
[  420.580553]  ? __lock_is_held+0xb5/0x140
[  420.584629]  __alloc_pages_nodemask+0xa80/0xde0
[  420.589304]  ? graph_lock+0x170/0x170
[  420.593111]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  420.598125]  ? graph_lock+0x170/0x170
[  420.601940]  ? find_held_lock+0x36/0x1c0
[  420.606033]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.610705]  ? lock_downgrade+0x900/0x900
[  420.614864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.620415]  cache_grow_begin+0x91/0x8c0
[  420.624482]  ? do_raw_spin_unlock+0xa7/0x2f0
[  420.628920]  fallback_alloc+0x203/0x2e0
[  420.632905]  ____cache_alloc_node+0x1c7/0x1e0
[  420.637410]  kmem_cache_alloc_node+0xe3/0x730
[  420.641913]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.646172]  __alloc_skb+0x119/0x770
[  420.649892]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  420.655176]  ? skb_scrub_packet+0x490/0x490
[  420.659500]  ? lock_downgrade+0x900/0x900
[  420.663669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.669213]  ? refcount_sub_and_test_checked+0x203/0x310
[  420.674674]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  420.680140]  ? addrconf_rs_timer+0x6f0/0x6f0
[  420.684567]  ndisc_alloc_skb+0x144/0x340
[  420.688646]  ndisc_send_rs+0x331/0x6e0
[  420.692572]  addrconf_rs_timer+0x3c0/0x6f0
[  420.696822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.701075]  call_timer_fn+0x272/0x920
[  420.704973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.709212]  ? process_timeout+0x40/0x40
[  420.713284]  ? find_held_lock+0x36/0x1c0
[  420.717363]  ? __run_timers+0x7da/0xc70
[  420.721349]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.725846]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.730347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.734587]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  420.739176]  ? trace_hardirqs_on+0xbd/0x310
[  420.743504]  ? kasan_check_read+0x11/0x20
[  420.747672]  ? __run_timers+0x7da/0xc70
[  420.751654]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  420.757118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.761364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.765609]  __run_timers+0x7e5/0xc70
[  420.769428]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  420.774792]  ? compat_start_thread+0x80/0x80
[  420.779221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.784768]  ? _raw_spin_unlock_irq+0x60/0x80
[  420.789275]  ? finish_task_switch+0x1f5/0x900
[  420.793780]  ? finish_task_switch+0x1b5/0x900
[  420.798287]  ? __switch_to_asm+0x34/0x70
[  420.802354]  ? preempt_notifier_register+0x200/0x200
[  420.807460]  ? __switch_to_asm+0x34/0x70
[  420.811541]  ? __switch_to_asm+0x40/0x70
[  420.815602]  ? __switch_to_asm+0x34/0x70
[  420.819666]  ? __switch_to_asm+0x40/0x70
[  420.823728]  ? __switch_to_asm+0x34/0x70
[  420.827788]  ? __switch_to_asm+0x40/0x70
[  420.831854]  ? __switch_to_asm+0x40/0x70
[  420.835930]  ? pvclock_read_flags+0x160/0x160
[  420.840430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.845977]  ? check_preemption_disabled+0x48/0x200
[  420.851010]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  420.856300]  ? rcu_pm_notify+0xc0/0xc0
[  420.860193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.865735]  ? check_preemption_disabled+0x48/0x200
[  420.870772]  run_timer_softirq+0x52/0xb0
[  420.874839]  ? rcu_read_lock_sched_held+0x108/0x120
[  420.879862]  __do_softirq+0x30b/0xad8
[  420.883684]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  420.888812]  ? trace_hardirqs_off_caller+0x300/0x300
[  420.893929]  ? schedule+0x108/0x460
[  420.897565]  ? __schedule+0x1ed0/0x1ed0
[  420.901563]  ? trace_hardirqs_off+0xb8/0x300
[  420.905976]  ? ___might_sleep+0x1ed/0x300
[  420.910127]  ? smpboot_thread_fn+0x68b/0xa00
[  420.914547]  ? trace_hardirqs_on+0x310/0x310
[  420.918961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.924506]  ? check_preemption_disabled+0x48/0x200
[  420.929552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.935096]  ? takeover_tasklets+0xa90/0xa90
[  420.939518]  run_ksoftirqd+0x94/0x100
[  420.943324]  smpboot_thread_fn+0x68b/0xa00
[  420.947571]  ? sort_range+0x30/0x30
[  420.951202]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  420.956324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.961872]  ? __kthread_parkme+0xfb/0x1a0
[  420.966119]  kthread+0x35a/0x420
[  420.969488]  ? sort_range+0x30/0x30
[  420.973123]  ? kthread_bind+0x40/0x40
[  420.976930]  ret_from_fork+0x3a/0x50
[  420.980672] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  420.980678] warn_alloc_show_mem: 1 callbacks suppressed
[  420.980685] Mem-Info:
[  420.987963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.993336] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  420.993336]  active_file:28 inactive_file:21 isolated_file:0
[  420.993336]  unevictable:0 dirty:0 writeback:0 unstable:0
[  420.993336]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  420.993336]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  420.993336]  free:13666 free_pcp:197 free_cma:0
[  420.995709] Call Trace:
[  421.005120] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  421.038156]  <IRQ>
[  421.040731] Node 0 
[  421.068602]  dump_stack+0x1c4/0x2b4
[  421.070754] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  421.072966]  ? dump_stack_print_info.cold.2+0x52/0x52
[  421.076561] lowmem_reserve[]: 0
[  421.102094]  warn_alloc.cold.118+0xb7/0x1bd
[  421.107252]  2817
[  421.110541]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.114830]  6321
[  421.116893]  ? lock_downgrade+0x900/0x900
[  421.121706]  6321
[  421.123775]  ? trace_hardirqs_off+0xb8/0x300
[  421.129961]  ? trace_hardirqs_off+0xb8/0x300
[  421.134339] Node 0 DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  421.138787]  __alloc_pages_slowpath+0x2667/0x2d80
[  421.138831]  ? warn_alloc+0x120/0x120
[  421.166133] lowmem_reserve[]:
[  421.170991]  ? warn_alloc+0x120/0x120
[  421.174753]  0 0
[  421.177871]  ? print_usage_bug+0xc0/0xc0
[  421.181643]  3503
[  421.183621]  ? warn_alloc+0x120/0x120
[  421.187646]  3503
[  421.189714]  ? print_usage_bug+0xc0/0xc0
[  421.193489] Node 0 
[  421.195553]  ? __lock_acquire+0x7ec/0x4ec0
[  421.199620] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  421.201827]  ? __lock_acquire+0x7ec/0x4ec0
[  421.206035] lowmem_reserve[]:
[  421.234595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.238896]  0
[  421.242003]  ? should_fail+0x22d/0xd01
[  421.247504]  0 0
[  421.249329]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.253184]  0
[  421.255180]  ? __lock_acquire+0x7ec/0x4ec0
[  421.260256] Node 0 
[  421.262065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.266268] DMA: 
[  421.268522]  ? __lock_acquire+0x7ec/0x4ec0
[  421.273599] 1*4kB 
[  421.275658]  ? should_fail+0x22d/0xd01
[  421.279867] (U) 
[  421.282023]  ? mark_held_locks+0x130/0x130
[  421.285895] 0*8kB 
[  421.287887]  ? mark_held_locks+0x130/0x130
[  421.292094] 0*16kB 1*32kB 
[  421.294246]  ? graph_lock+0x170/0x170
[  421.298928] (U) 2*64kB 
[  421.301786]  ? graph_lock+0x170/0x170
[  421.305560] (U) 
[  421.308138]  ? graph_lock+0x170/0x170
[  421.311909] 1*128kB (U) 
[  421.313888]  ? print_usage_bug+0xc0/0xc0
[  421.317666] 1*256kB 
[  421.320329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.324363] (U) 
[  421.326682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.332197] 0*512kB 
[  421.334168]  ? check_preemption_disabled+0x48/0x200
[  421.339675] 1*1024kB (U) 
[  421.342002]  ? check_preemption_disabled+0x48/0x200
[  421.346988] 1*2048kB (M) 
[  421.349758]  ? __lock_is_held+0xb5/0x140
[  421.354761] 3*4096kB 
[  421.357529]  __alloc_pages_nodemask+0xa80/0xde0
[  421.361561] (M) 
[  421.363982]  ? graph_lock+0x170/0x170
[  421.368628] = 15908kB
[  421.370620]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  421.374385] Node 0 
[  421.376792]  ? graph_lock+0x170/0x170
[  421.381776] DMA32: 2*4kB 
[  421.384032]  ? find_held_lock+0x36/0x1c0
[  421.387802] (M) 
[  421.390560]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.394601] 0*8kB 
[  421.396571]  ? lock_downgrade+0x900/0x900
[  421.401216] 3*16kB 
[  421.403366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.407482] (M) 
[  421.409715]  cache_grow_begin+0x91/0x8c0
[  421.415222] 2*32kB 
[  421.417192]  ? do_raw_spin_unlock+0xa7/0x2f0
[  421.421229] (UM) 
[  421.423465]  fallback_alloc+0x203/0x2e0
[  421.428296] 2*64kB (M) 
[  421.430373]  ____cache_alloc_node+0x1c7/0x1e0
[  421.434315] 4*128kB (UM) 
[  421.436906]  kmem_cache_alloc_node+0xe3/0x730
[  421.441367] 2*256kB (M) 
[  421.444832]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.449308] 4*512kB 
[  421.451980]  __alloc_skb+0x119/0x770
[  421.456185] (UM) 
[  421.458505]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  421.462200] 3*1024kB 
[  421.464254]  ? skb_scrub_packet+0x490/0x490
[  421.469504] (M) 
[  421.471928]  ? lock_downgrade+0x900/0x900
[  421.476219] 3*2048kB (UM) 
[  421.478205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.482323] 3*4096kB 
[  421.485163]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.490677] (M) 
[  421.493085]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.498519] = 24824kB
[  421.500490]  ? addrconf_rs_timer+0x6f0/0x6f0
[  421.505940] Node 0 
[  421.508356]  ndisc_alloc_skb+0x144/0x340
[  421.512722] Normal: 981*4kB 
[  421.514982]  ndisc_send_rs+0x331/0x6e0
[  421.519020] (UMEH) 
[  421.522038]  addrconf_rs_timer+0x3c0/0x6f0
[  421.525892] 521*8kB (MEH) 
[  421.528136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.532342] 165*16kB (UMEH) 
[  421.535202]  call_timer_fn+0x272/0x920
[  421.539399] 24*32kB (MEH) 
[  421.542421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.546286] 4*64kB (MH) 
[  421.549143]  ? process_timeout+0x40/0x40
[  421.553350] 3*128kB 
[  421.556019]  ? find_held_lock+0x36/0x1c0
[  421.560053] (UH) 
[  421.562380]  ? __run_timers+0x7da/0xc70
[  421.566408] 1*256kB 
[  421.568466]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.572414] (U) 
[  421.574737]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.579236] 1*512kB 
[  421.581210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.585677] (U) 
[  421.587995]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  421.592198] 1*1024kB (H) 
[  421.594180]  ? trace_hardirqs_on+0xbd/0x310
[  421.598729] 0*2048kB 0*4096kB 
[  421.601496]  ? kasan_check_read+0x11/0x20
[  421.605801] = 13932kB
[  421.608986]  ? __run_timers+0x7da/0xc70
[  421.613116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  421.615522]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  421.619474] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  421.628305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.633753] 4507 total pagecache pages
[  421.642325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.646544] 0 pages in swap cache
[  421.650422]  __run_timers+0x7e5/0xc70
[  421.654635] Swap cache stats: add 0, delete 0, find 0/0
[  421.658089]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  421.661857] Free swap  = 0kB
[  421.667212]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.672553] Total swap = 0kB
[  421.675567]  ? graph_lock+0x170/0x170
[  421.680558] 1965979 pages RAM
[  421.683570]  ? enqueue_hrtimer+0x1a5/0x560
[  421.687341] 0 pages HighMem/MovableOnly
[  421.687349] 342744 pages reserved
[  421.690451]  ? lock_release+0x970/0x970
[  421.694666] 0 pages cma reserved
[  421.698652]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.702162] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  421.706052]  ? find_held_lock+0x36/0x1c0
[  421.706077]  ? graph_lock+0x170/0x170
[  421.709487] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.714608]  ? pvclock_read_flags+0x160/0x160
[  421.721075] ksoftirqd/1 cpuset=
[  421.725142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.728917] /
[  421.739228]  ? check_preemption_disabled+0x48/0x200
[  421.743699]  mems_allowed=0
[  421.746978]  ? __lock_is_held+0xb5/0x140
[  421.766156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.771702]  ? check_preemption_disabled+0x48/0x200
[  421.776746]  run_timer_softirq+0x52/0xb0
[  421.780814]  ? rcu_read_lock_sched_held+0x108/0x120
[  421.785833]  __do_softirq+0x30b/0xad8
[  421.789648]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  421.794760]  ? pvclock_read_flags+0x160/0x160
[  421.799268]  ? lapic_next_event+0x5a/0x90
[  421.803517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.809058]  ? check_preemption_disabled+0x48/0x200
[  421.814075]  ? check_preemption_disabled+0x48/0x200
[  421.819131]  ? kvm_clock_read+0x18/0x30
[  421.823109]  ? kvm_sched_clock_read+0x9/0x20
[  421.827547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.833088]  ? check_preemption_disabled+0x48/0x200
[  421.838118]  irq_exit+0x17f/0x1c0
[  421.841575]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.846424]  ? smp_reschedule_interrupt+0x109/0x650
[  421.851449]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.857337]  ? interrupt_entry+0xb5/0xf0
[  421.861400]  ? trace_hardirqs_off_caller+0xbb/0x300
[  421.866418]  ? trace_hardirqs_off_caller+0xbb/0x300
[  421.871437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.876284]  ? trace_hardirqs_off+0x300/0x300
[  421.880785]  ? trace_hardirqs_off+0x300/0x300
[  421.885282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.890823]  ? check_preemption_disabled+0x48/0x200
[  421.895838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.901386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.906240]  apic_timer_interrupt+0xf/0x20
[  421.910478]  </IRQ>
[  421.912751] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  421.917688] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  421.936588] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  421.944300] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  421.951573] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  421.958841] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  421.966110] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  421.973379] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  421.980694]  skb_clone+0x1bb/0x500
[  421.984266]  ? skb_split+0x11e0/0x11e0
[  421.988162]  ? preempt_notifier_register+0x200/0x200
[  421.993267]  ? __switch_to_asm+0x34/0x70
[  421.997328]  ? __switch_to_asm+0x34/0x70
[  422.001388]  ? __switch_to_asm+0x40/0x70
[  422.005450]  ? __switch_to_asm+0x34/0x70
[  422.009519]  ? __switch_to_asm+0x40/0x70
[  422.013580]  ? __switch_to_asm+0x40/0x70
[  422.017641]  ? __switch_to_asm+0x34/0x70
[  422.021701]  ? __switch_to_asm+0x34/0x70
[  422.025762]  ? __switch_to_asm+0x40/0x70
[  422.029845]  ? __switch_to_asm+0x34/0x70
[  422.033917]  bpf_clone_redirect+0xb9/0x490
[  422.038167]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  422.043192]  ? __sched_text_start+0x8/0x8
[  422.047348]  ? lockdep_hardirqs_on+0x421/0x5c0
[  422.051930]  ? retint_kernel+0x2d/0x2d
[  422.055820]  ? trace_hardirqs_on_caller+0xc0/0x300
[  422.060760]  ? find_held_lock+0x36/0x1c0
[  422.064841]  ? lock_acquire+0x1ed/0x520
[  422.068816]  ? bpf_test_run+0x32e/0x5a0
[  422.072801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.078343]  ? check_preemption_disabled+0x48/0x200
[  422.083372]  ? kasan_check_read+0x11/0x20
[  422.087531]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  422.092816]  ? rcu_bh_qs+0xc0/0xc0
[  422.096360]  ? preempt_schedule+0x4d/0x60
[  422.100517]  ? ___preempt_schedule+0x16/0x18
[  422.104934]  ? bpf_test_run+0x1c0/0x5a0
[  422.108957]  ? netlink_diag_dump+0x2a0/0x2a0
[  422.113375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.118915]  ? bpf_test_init.isra.9+0x70/0x100
[  422.123503]  ? bpf_prog_test_run_skb+0x634/0xb40
[  422.128280]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  422.133124]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  422.138662]  ? fput+0x130/0x1a0
[  422.141944]  ? __bpf_prog_get+0x9b/0x290
[  422.146007]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  422.150847]  ? bpf_prog_test_run+0x130/0x1a0
[  422.155261]  ? __x64_sys_bpf+0x3d8/0x510
[  422.159328]  ? bpf_prog_get+0x20/0x20
[  422.163138]  ? ksys_ioctl+0x81/0xd0
[  422.166775]  ? do_syscall_64+0x1b9/0x820
[  422.170846]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  422.176212]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.181145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.185991]  ? trace_hardirqs_off+0x300/0x300
[  422.190488]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  422.195521]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.200556]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.205413]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  422.210803] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  422.210886] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  422.217639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.217645] Call Trace:
[  422.217664]  dump_stack+0x1c4/0x2b4
[  422.217680]  ? dump_stack_print_info.cold.2+0x52/0x52
[  422.217707]  warn_alloc.cold.118+0xb7/0x1bd
[  422.224231] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.233526]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.236088] syz-executor0 cpuset=
[  422.239714]  ? lock_downgrade+0x900/0x900
[  422.244880] syz0
[  422.249197]  ? trace_hardirqs_off+0xb8/0x300
[  422.259656]  mems_allowed=0
[  422.264493]  ? trace_hardirqs_off+0xb8/0x300
[  422.285739]  __alloc_pages_slowpath+0x2667/0x2d80
[  422.290616]  ? warn_alloc+0x120/0x120
[  422.294426]  ? warn_alloc+0x120/0x120
[  422.298230]  ? print_usage_bug+0xc0/0xc0
[  422.302303]  ? warn_alloc+0x120/0x120
[  422.306109]  ? print_usage_bug+0xc0/0xc0
[  422.310174]  ? __lock_acquire+0x7ec/0x4ec0
[  422.314414]  ? __lock_acquire+0x7ec/0x4ec0
[  422.318654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.324194]  ? should_fail+0x22d/0xd01
[  422.328087]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.333192]  ? __lock_acquire+0x7ec/0x4ec0
[  422.337434]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.342541]  ? __lock_acquire+0x7ec/0x4ec0
[  422.346779]  ? should_fail+0x22d/0xd01
[  422.350681]  ? mark_held_locks+0x130/0x130
[  422.354927]  ? mark_held_locks+0x130/0x130
[  422.359168]  ? graph_lock+0x170/0x170
[  422.362971]  ? graph_lock+0x170/0x170
[  422.366780]  ? graph_lock+0x170/0x170
[  422.370583]  ? print_usage_bug+0xc0/0xc0
[  422.374649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.380189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.385730]  ? check_preemption_disabled+0x48/0x200
[  422.390848]  ? check_preemption_disabled+0x48/0x200
[  422.395877]  ? __lock_is_held+0xb5/0x140
[  422.399945]  __alloc_pages_nodemask+0xa80/0xde0
[  422.404618]  ? graph_lock+0x170/0x170
[  422.408428]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  422.413447]  ? graph_lock+0x170/0x170
[  422.417262]  ? find_held_lock+0x36/0x1c0
[  422.421373]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.426047]  ? lock_downgrade+0x900/0x900
[  422.430207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.435751]  cache_grow_begin+0x91/0x8c0
[  422.439820]  ? do_raw_spin_unlock+0xa7/0x2f0
[  422.444239]  fallback_alloc+0x203/0x2e0
[  422.448226]  ____cache_alloc_node+0x1c7/0x1e0
[  422.452819]  kmem_cache_alloc_node+0xe3/0x730
[  422.457323]  ? ipv6_get_ifaddr+0x42e/0x620
[  422.461587]  __alloc_skb+0x119/0x770
[  422.465307]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  422.470593]  ? skb_scrub_packet+0x490/0x490
[  422.474916]  ? lock_downgrade+0x900/0x900
[  422.479076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.484626]  ? refcount_sub_and_test_checked+0x203/0x310
[  422.490085]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  422.495548]  ? addrconf_rs_timer+0x6f0/0x6f0
[  422.499973]  ndisc_alloc_skb+0x144/0x340
[  422.504047]  ndisc_send_rs+0x331/0x6e0
[  422.507948]  addrconf_rs_timer+0x3c0/0x6f0
[  422.512191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.516447]  call_timer_fn+0x272/0x920
[  422.520342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.524587]  ? process_timeout+0x40/0x40
[  422.528648]  ? find_held_lock+0x36/0x1c0
[  422.532722]  ? __run_timers+0x7da/0xc70
[  422.536701]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.541200]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.545699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.549934]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  422.554532]  ? trace_hardirqs_on+0xbd/0x310
[  422.558880]  ? kasan_check_read+0x11/0x20
[  422.563033]  ? __run_timers+0x7da/0xc70
[  422.567014]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.572477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.576728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.580966]  __run_timers+0x7e5/0xc70
[  422.584784]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  422.590149]  ? compat_start_thread+0x80/0x80
[  422.594566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.600113]  ? _raw_spin_unlock_irq+0x60/0x80
[  422.604626]  ? finish_task_switch+0x1f5/0x900
[  422.609121]  ? finish_task_switch+0x1b5/0x900
[  422.613617]  ? __switch_to_asm+0x34/0x70
[  422.617692]  ? preempt_notifier_register+0x200/0x200
[  422.622806]  ? __switch_to_asm+0x34/0x70
[  422.626886]  ? __switch_to_asm+0x40/0x70
[  422.630948]  ? __switch_to_asm+0x34/0x70
[  422.635009]  ? __switch_to_asm+0x40/0x70
[  422.639068]  ? __switch_to_asm+0x34/0x70
[  422.643127]  ? __switch_to_asm+0x40/0x70
[  422.647188]  ? __switch_to_asm+0x40/0x70
[  422.651296]  ? pvclock_read_flags+0x160/0x160
[  422.655794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.661339]  ? check_preemption_disabled+0x48/0x200
[  422.666371]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  422.671652]  ? rcu_pm_notify+0xc0/0xc0
[  422.675550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.681092]  ? check_preemption_disabled+0x48/0x200
[  422.686118]  run_timer_softirq+0x52/0xb0
[  422.690180]  ? rcu_read_lock_sched_held+0x108/0x120
[  422.695200]  __do_softirq+0x30b/0xad8
[  422.699015]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  422.704117]  ? trace_hardirqs_off_caller+0x300/0x300
[  422.709248]  ? schedule+0x108/0x460
[  422.712885]  ? __schedule+0x1ed0/0x1ed0
[  422.716868]  ? trace_hardirqs_off+0xb8/0x300
[  422.721279]  ? ___might_sleep+0x1ed/0x300
[  422.725434]  ? smpboot_thread_fn+0x68b/0xa00
[  422.729843]  ? trace_hardirqs_on+0x310/0x310
[  422.734254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.739804]  ? check_preemption_disabled+0x48/0x200
[  422.744825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.750366]  ? takeover_tasklets+0xa90/0xa90
[  422.754779]  run_ksoftirqd+0x94/0x100
[  422.758585]  smpboot_thread_fn+0x68b/0xa00
[  422.762833]  ? sort_range+0x30/0x30
[  422.766463]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.771567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.777109]  ? __kthread_parkme+0xfb/0x1a0
[  422.781353]  kthread+0x35a/0x420
[  422.784721]  ? sort_range+0x30/0x30
[  422.788347]  ? kthread_bind+0x40/0x40
[  422.792155]  ret_from_fork+0x3a/0x50
[  422.795892] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  422.795897] warn_alloc_show_mem: 1 callbacks suppressed
[  422.795905] Mem-Info:
[  422.803173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.808550] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  422.808550]  active_file:28 inactive_file:21 isolated_file:0
[  422.808550]  unevictable:0 dirty:0 writeback:0 unstable:0
[  422.808550]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  422.808550]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  422.808550]  free:13666 free_pcp:197 free_cma:0
[  422.810924] Call Trace:
[  422.820313] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  422.853333]  <IRQ>
[  422.855908] Node 0 
[  422.883752]  dump_stack+0x1c4/0x2b4
[  422.886617] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  422.888825]  ? dump_stack_print_info.cold.2+0x52/0x52
[  422.892420] lowmem_reserve[]: 0
[  422.917937]  warn_alloc.cold.118+0xb7/0x1bd
[  422.923095]  2817
[  422.926371]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.930666]  6321
[  422.932724]  ? lock_downgrade+0x900/0x900
[  422.937542]  6321
[  422.939602]  ? trace_hardirqs_off+0xb8/0x300
[  422.945780]  ? trace_hardirqs_off+0xb8/0x300
[  422.950160] Node 0 DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  422.954591]  __alloc_pages_slowpath+0x2667/0x2d80
[  422.954634]  ? warn_alloc+0x120/0x120
[  422.981904] lowmem_reserve[]: 0
[  422.986759]  ? warn_alloc+0x120/0x120
[  422.990538]  0
[  422.993814]  ? print_usage_bug+0xc0/0xc0
[  422.997590]  3503
[  422.999390]  ? warn_alloc+0x120/0x120
[  423.003423]  3503
[  423.005489]  ? print_usage_bug+0xc0/0xc0
[  423.009269] Node 0 
[  423.011330]  ? __lock_acquire+0x7ec/0x4ec0
[  423.015406] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  423.017609]  ? __lock_acquire+0x7ec/0x4ec0
[  423.021837] lowmem_reserve[]:
[  423.050380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.054591]  0
[  423.057691]  ? should_fail+0x22d/0xd01
[  423.063203]  0
[  423.065004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.068863]  0 0
[  423.070669]  ? __lock_acquire+0x7ec/0x4ec0
[  423.075750] Node 0 
[  423.077730]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.081939] DMA: 
[  423.084170]  ? __lock_acquire+0x7ec/0x4ec0
[  423.089249] 1*4kB 
[  423.091308]  ? should_fail+0x22d/0xd01
[  423.095608] (U) 
[  423.097761]  ? mark_held_locks+0x130/0x130
[  423.101621] 0*8kB 
[  423.103589]  ? mark_held_locks+0x130/0x130
[  423.107803] 0*16kB 
[  423.109943]  ? graph_lock+0x170/0x170
[  423.114148] 1*32kB (U) 
[  423.116384]  ? graph_lock+0x170/0x170
[  423.120161] 2*64kB 
[  423.122736]  ? graph_lock+0x170/0x170
[  423.126524] (U) 
[  423.128754]  ? print_usage_bug+0xc0/0xc0
[  423.132547] 1*128kB 
[  423.134527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.138560] (U) 
[  423.140877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.146385] 1*256kB (U) 
[  423.148368]  ? check_preemption_disabled+0x48/0x200
[  423.153879] 0*512kB 
[  423.156551]  ? check_preemption_disabled+0x48/0x200
[  423.161543] 1*1024kB 
[  423.163868]  ? __lock_is_held+0xb5/0x140
[  423.168851] (U) 
[  423.171266]  __alloc_pages_nodemask+0xa80/0xde0
[  423.175300] 1*2048kB (M) 
[  423.177277]  ? graph_lock+0x170/0x170
[  423.181928] 3*4096kB 
[  423.184680]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  423.188455] (M) 
[  423.190858]  ? graph_lock+0x170/0x170
[  423.195851] = 15908kB
[  423.197830]  ? find_held_lock+0x36/0x1c0
[  423.201603] Node 0 
[  423.204019]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.208042] DMA32: 2*4kB 
[  423.210286]  ? lock_downgrade+0x900/0x900
[  423.214937] (M) 
[  423.217694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.221810] 0*8kB 
[  423.223780]  cache_grow_begin+0x91/0x8c0
[  423.229290] 3*16kB 
[  423.231434]  ? do_raw_spin_unlock+0xa7/0x2f0
[  423.235471] (M) 
[  423.237704]  fallback_alloc+0x203/0x2e0
[  423.242080] 2*32kB (UM) 
[  423.244065]  ____cache_alloc_node+0x1c7/0x1e0
[  423.248014] 2*64kB 
[  423.250679]  kmem_cache_alloc_node+0xe3/0x730
[  423.255147] (M) 
[  423.257385]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.261851] 4*128kB (UM) 
[  423.263836]  __alloc_skb+0x119/0x770
[  423.268038] 2*256kB 
[  423.270800]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  423.274482] (M) 
[  423.276805]  ? skb_scrub_packet+0x490/0x490
[  423.282056] 4*512kB (UM) 
[  423.284035]  ? lock_downgrade+0x900/0x900
[  423.288334] 3*1024kB 
[  423.291090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.295206] (M) 
[  423.298115]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.303632] 3*2048kB 
[  423.305601]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.311023] (UM) 
[  423.313429]  ? addrconf_rs_timer+0x6f0/0x6f0
[  423.318851] 3*4096kB (M) 
[  423.320925]  ndisc_alloc_skb+0x144/0x340
[  423.325313] = 24824kB
[  423.328070]  ndisc_send_rs+0x331/0x6e0
[  423.332103] Node 0 
[  423.334519]  addrconf_rs_timer+0x3c0/0x6f0
[  423.338377] Normal: 
[  423.340613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.344826] 981*4kB 
[  423.347151]  call_timer_fn+0x272/0x920
[  423.351350] (UMEH) 
[  423.353669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.357537] 521*8kB 
[  423.359770]  ? process_timeout+0x40/0x40
[  423.363983] (MEH) 
[  423.366295]  ? find_held_lock+0x36/0x1c0
[  423.366318]  ? __run_timers+0x7da/0xc70
[  423.370351] 165*16kB 
[  423.372502]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.376542] (UMEH) 
[  423.380516]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.382905] 24*32kB (MEH) 
[  423.387406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.389622] 4*64kB 
[  423.394112]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  423.396931] (MH) 
[  423.401161]  ? trace_hardirqs_on+0xbd/0x310
[  423.403368] 3*128kB (UH) 
[  423.407957]  ? kasan_check_read+0x11/0x20
[  423.410012] 1*256kB 
[  423.414325]  ? __run_timers+0x7da/0xc70
[  423.417058] (U) 
[  423.421201]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  423.423503] 1*512kB 
[  423.427759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.429715] (U) 
[  423.435171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.437473] 1*1024kB 
[  423.441702]  __run_timers+0x7e5/0xc70
[  423.443652] (H) 
[  423.447892]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  423.450272] 0*2048kB 
[  423.454071]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.456026] 0*4096kB 
[  423.461384]  ? graph_lock+0x170/0x170
[  423.463769] = 13932kB
[  423.468779]  ? enqueue_hrtimer+0x1a5/0x560
[  423.471172] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  423.474961]  ? lock_release+0x970/0x970
[  423.477372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  423.481598]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.490412] 4507 total pagecache pages
[  423.494387]  ? find_held_lock+0x36/0x1c0
[  423.502944] 0 pages in swap cache
[  423.508129]  ? graph_lock+0x170/0x170
[  423.511993] Swap cache stats: add 0, delete 0, find 0/0
[  423.516041]  ? pvclock_read_flags+0x160/0x160
[  423.519504] Free swap  = 0kB
[  423.523312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.528653] Total swap = 0kB
[  423.533146]  ? check_preemption_disabled+0x48/0x200
[  423.536141] 1965979 pages RAM
[  423.541680]  ? __lock_is_held+0xb5/0x140
[  423.544658] 0 pages HighMem/MovableOnly
[  423.544667] 342744 pages reserved
[  423.549676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.552759] 0 pages cma reserved
[  423.556825]  ? check_preemption_disabled+0x48/0x200
[  423.560857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  423.564228]  run_timer_softirq+0x52/0xb0
[  423.569853] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.573144]  ? rcu_read_lock_sched_held+0x108/0x120
[  423.578136] ksoftirqd/1 cpuset=
[  423.584626]  __do_softirq+0x30b/0xad8
[  423.588659] /
[  423.598975]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  423.603960]  mems_allowed=0
[  423.607231]  ? pvclock_read_flags+0x160/0x160
[  423.625209]  ? lapic_next_event+0x5a/0x90
[  423.629361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.634922]  ? check_preemption_disabled+0x48/0x200
[  423.639943]  ? check_preemption_disabled+0x48/0x200
[  423.644968]  ? kvm_clock_read+0x18/0x30
[  423.648943]  ? kvm_sched_clock_read+0x9/0x20
[  423.653355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.658900]  ? check_preemption_disabled+0x48/0x200
[  423.663948]  irq_exit+0x17f/0x1c0
[  423.667409]  smp_apic_timer_interrupt+0x1cb/0x760
[  423.672269]  ? smp_reschedule_interrupt+0x109/0x650
[  423.677291]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.683198]  ? interrupt_entry+0xb5/0xf0
[  423.687265]  ? trace_hardirqs_off_caller+0xbb/0x300
[  423.692284]  ? trace_hardirqs_off_caller+0xbb/0x300
[  423.697324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.702169]  ? trace_hardirqs_off+0x300/0x300
[  423.706685]  ? trace_hardirqs_off+0x300/0x300
[  423.711200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.716743]  ? check_preemption_disabled+0x48/0x200
[  423.721760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.727311]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.732172]  apic_timer_interrupt+0xf/0x20
[  423.736401]  </IRQ>
[  423.738641] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  423.743572] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  423.762480] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  423.770201] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  423.777470] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  423.784739] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  423.792010] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  423.799277] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  423.806597]  skb_clone+0x1bb/0x500
[  423.810160]  ? skb_split+0x11e0/0x11e0
[  423.814057]  ? preempt_notifier_register+0x200/0x200
[  423.819162]  ? __switch_to_asm+0x34/0x70
[  423.823248]  ? __switch_to_asm+0x34/0x70
[  423.827308]  ? __switch_to_asm+0x40/0x70
[  423.831367]  ? __switch_to_asm+0x34/0x70
[  423.835426]  ? __switch_to_asm+0x40/0x70
[  423.839487]  ? __switch_to_asm+0x40/0x70
[  423.843559]  ? __switch_to_asm+0x34/0x70
[  423.847626]  ? __switch_to_asm+0x34/0x70
[  423.851688]  ? __switch_to_asm+0x40/0x70
[  423.855750]  ? __switch_to_asm+0x34/0x70
[  423.859829]  bpf_clone_redirect+0xb9/0x490
[  423.864081]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  423.869102]  ? __sched_text_start+0x8/0x8
[  423.873262]  ? lockdep_hardirqs_on+0x421/0x5c0
[  423.877847]  ? retint_kernel+0x2d/0x2d
[  423.881737]  ? trace_hardirqs_on_caller+0xc0/0x300
[  423.886675]  ? find_held_lock+0x36/0x1c0
[  423.890749]  ? lock_acquire+0x1ed/0x520
[  423.894729]  ? bpf_test_run+0x32e/0x5a0
[  423.898711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.904254]  ? check_preemption_disabled+0x48/0x200
[  423.909279]  ? kasan_check_read+0x11/0x20
[  423.913437]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  423.918716]  ? rcu_bh_qs+0xc0/0xc0
[  423.922265]  ? preempt_schedule+0x4d/0x60
[  423.926416]  ? ___preempt_schedule+0x16/0x18
[  423.930835]  ? bpf_test_run+0x1c0/0x5a0
[  423.934826]  ? netlink_diag_dump+0x2a0/0x2a0
[  423.939242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.944789]  ? bpf_test_init.isra.9+0x70/0x100
[  423.949378]  ? bpf_prog_test_run_skb+0x634/0xb40
[  423.954141]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  423.958988]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  423.964535]  ? fput+0x130/0x1a0
[  423.967826]  ? __bpf_prog_get+0x9b/0x290
[  423.971894]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  423.976737]  ? bpf_prog_test_run+0x130/0x1a0
[  423.981151]  ? __x64_sys_bpf+0x3d8/0x510
[  423.985218]  ? bpf_prog_get+0x20/0x20
[  423.989030]  ? ksys_ioctl+0x81/0xd0
[  423.992671]  ? do_syscall_64+0x1b9/0x820
[  423.996735]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  424.002104]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.007038]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.011887]  ? trace_hardirqs_off+0x300/0x300
[  424.016384]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  424.021405]  ? prepare_exit_to_usermode+0x291/0x3b0
[  424.026431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.031286]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  424.036677] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  424.036762] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  424.043531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.043542] Call Trace:
[  424.050152] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.059383]  dump_stack+0x1c4/0x2b4
[  424.061939] syz-executor0 cpuset=
[  424.072423]  ? dump_stack_print_info.cold.2+0x52/0x52
[  424.076028] syz0
[  424.079489]  warn_alloc.cold.118+0xb7/0x1bd
[  424.084646]  mems_allowed=0
[  424.086624]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.098674]  ? lock_downgrade+0x900/0x900
[  424.102838]  ? trace_hardirqs_off+0xb8/0x300
[  424.107256]  ? trace_hardirqs_off+0xb8/0x300
[  424.111681]  __alloc_pages_slowpath+0x2667/0x2d80
[  424.116568]  ? warn_alloc+0x120/0x120
[  424.120381]  ? warn_alloc+0x120/0x120
[  424.124185]  ? print_usage_bug+0xc0/0xc0
[  424.128248]  ? warn_alloc+0x120/0x120
[  424.132063]  ? print_usage_bug+0xc0/0xc0
[  424.136133]  ? __lock_acquire+0x7ec/0x4ec0
[  424.140367]  ? __lock_acquire+0x7ec/0x4ec0
[  424.144607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.150151]  ? should_fail+0x22d/0xd01
[  424.154045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.159153]  ? __lock_acquire+0x7ec/0x4ec0
[  424.163396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.168498]  ? __lock_acquire+0x7ec/0x4ec0
[  424.172740]  ? should_fail+0x22d/0xd01
[  424.176629]  ? print_usage_bug+0xc0/0xc0
[  424.180700]  ? mark_held_locks+0x130/0x130
[  424.184944]  ? mark_held_locks+0x130/0x130
[  424.189189]  ? graph_lock+0x170/0x170
[  424.192990]  ? print_usage_bug+0xc0/0xc0
[  424.197061]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  424.201821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.207363]  ? check_preemption_disabled+0x48/0x200
[  424.212379]  ? check_preemption_disabled+0x48/0x200
[  424.217441]  ? __lock_is_held+0xb5/0x140
[  424.221519]  __alloc_pages_nodemask+0xa80/0xde0
[  424.226192]  ? graph_lock+0x170/0x170
[  424.229999]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  424.235015]  ? graph_lock+0x170/0x170
[  424.238829]  ? find_held_lock+0x36/0x1c0
[  424.242903]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.247575]  ? lock_downgrade+0x900/0x900
[  424.251732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.257276]  cache_grow_begin+0x91/0x8c0
[  424.261347]  ? do_raw_spin_unlock+0xa7/0x2f0
[  424.265766]  fallback_alloc+0x203/0x2e0
[  424.269751]  ____cache_alloc_node+0x1c7/0x1e0
[  424.274256]  kmem_cache_alloc_node+0xe3/0x730
[  424.278758]  ? ipv6_get_ifaddr+0x42e/0x620
[  424.283006]  __alloc_skb+0x119/0x770
[  424.286723]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  424.292004]  ? skb_scrub_packet+0x490/0x490
[  424.296331]  ? lock_downgrade+0x900/0x900
[  424.300488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.306042]  ? refcount_sub_and_test_checked+0x203/0x310
[  424.311497]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  424.316977]  ? addrconf_rs_timer+0x6f0/0x6f0
[  424.321409]  ndisc_alloc_skb+0x144/0x340
[  424.325476]  ndisc_send_rs+0x331/0x6e0
[  424.329382]  addrconf_rs_timer+0x3c0/0x6f0
[  424.333625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.337877]  call_timer_fn+0x272/0x920
[  424.341764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.346004]  ? process_timeout+0x40/0x40
[  424.350065]  ? find_held_lock+0x36/0x1c0
[  424.354140]  ? __run_timers+0x7da/0xc70
[  424.358122]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.362622]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.367119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.371357]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  424.375943]  ? trace_hardirqs_on+0xbd/0x310
[  424.380269]  ? kasan_check_read+0x11/0x20
[  424.384428]  ? __run_timers+0x7da/0xc70
[  424.388425]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  424.393886]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.398130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.402370]  __run_timers+0x7e5/0xc70
[  424.406190]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  424.411557]  ? compat_start_thread+0x80/0x80
[  424.415971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.421526]  ? _raw_spin_unlock_irq+0x60/0x80
[  424.426033]  ? finish_task_switch+0x1f5/0x900
[  424.430993]  ? finish_task_switch+0x1b5/0x900
[  424.435495]  ? __switch_to_asm+0x34/0x70
[  424.439569]  ? preempt_notifier_register+0x200/0x200
[  424.444673]  ? __switch_to_asm+0x34/0x70
[  424.448736]  ? __switch_to_asm+0x40/0x70
[  424.452799]  ? __switch_to_asm+0x34/0x70
[  424.456858]  ? __switch_to_asm+0x40/0x70
[  424.460917]  ? __switch_to_asm+0x34/0x70
[  424.464979]  ? __switch_to_asm+0x40/0x70
[  424.469040]  ? __switch_to_asm+0x40/0x70
[  424.473110]  ? pvclock_read_flags+0x160/0x160
[  424.477607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.483147]  ? check_preemption_disabled+0x48/0x200
[  424.488179]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  424.493459]  ? rcu_pm_notify+0xc0/0xc0
[  424.497351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.502889]  ? check_preemption_disabled+0x48/0x200
[  424.507919]  run_timer_softirq+0x52/0xb0
[  424.511983]  ? rcu_read_lock_sched_held+0x108/0x120
[  424.517005]  __do_softirq+0x30b/0xad8
[  424.520821]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  424.525927]  ? trace_hardirqs_off_caller+0x300/0x300
[  424.531041]  ? schedule+0x108/0x460
[  424.534674]  ? __schedule+0x1ed0/0x1ed0
[  424.538674]  ? trace_hardirqs_off+0xb8/0x300
[  424.543087]  ? ___might_sleep+0x1ed/0x300
[  424.547237]  ? smpboot_thread_fn+0x68b/0xa00
[  424.551648]  ? trace_hardirqs_on+0x310/0x310
[  424.556059]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.561628]  ? check_preemption_disabled+0x48/0x200
[  424.566645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.572199]  ? takeover_tasklets+0xa90/0xa90
[  424.576617]  run_ksoftirqd+0x94/0x100
[  424.580422]  smpboot_thread_fn+0x68b/0xa00
[  424.584663]  ? sort_range+0x30/0x30
[  424.588299]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.593407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.598945]  ? __kthread_parkme+0xfb/0x1a0
[  424.603185]  kthread+0x35a/0x420
[  424.606555]  ? sort_range+0x30/0x30
[  424.610188]  ? kthread_bind+0x40/0x40
[  424.614024]  ret_from_fork+0x3a/0x50
[  424.617760] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  424.617765] warn_alloc_show_mem: 1 callbacks suppressed
[  424.617772] Mem-Info:
[  424.625049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.630418] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  424.630418]  active_file:28 inactive_file:21 isolated_file:0
[  424.630418]  unevictable:0 dirty:0 writeback:0 unstable:0
[  424.630418]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  424.630418]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  424.630418]  free:13666 free_pcp:197 free_cma:0
[  424.632797] Call Trace:
[  424.642187] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  424.675208]  <IRQ>
[  424.677779] Node 0 
[  424.705663]  dump_stack+0x1c4/0x2b4
[  424.707816] 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
[  424.707824] lowmem_reserve[]:
[  424.710062]  ? dump_stack_print_info.cold.2+0x52/0x52
[  424.713665]  0
[  424.739186]  warn_alloc.cold.118+0xb7/0x1bd
[  424.742254]  2817
[  424.747439]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.749219]  6321
[  424.753541]  ? lock_downgrade+0x900/0x900
[  424.755583]  6321
[  424.760423]  ? trace_hardirqs_off+0xb8/0x300
[  424.766604]  ? trace_hardirqs_off+0xb8/0x300
[  424.768645] Node 0 
[  424.773058]  __alloc_pages_slowpath+0x2667/0x2d80
[  424.777460] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  424.779695]  ? warn_alloc+0x120/0x120
[  424.784490] lowmem_reserve[]:
[  424.811226]  ? trace_hardirqs_on+0x310/0x310
[  424.815002]  0
[  424.818106]  ? warn_alloc+0x120/0x120
[  424.822486]  0
[  424.824290]  ? print_usage_bug+0xc0/0xc0
[  424.828064]  3503 3503
[  424.829871]  ? warn_alloc+0x120/0x120
[  424.836421]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  424.840212] Node 0 
[  424.845221]  ? print_usage_bug+0xc0/0xc0
[  424.845254] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  424.845261] lowmem_reserve[]:
[  424.847500]  ? __lock_acquire+0x7ec/0x4ec0
[  424.851546]  0
[  424.880093]  ? __lock_acquire+0x7ec/0x4ec0
[  424.883177]  0
[  424.887425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.889193]  0 0
[  424.893445]  ? should_fail+0x22d/0xd01
[  424.900754]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.902706] Node 0 
[  424.906587]  ? __lock_acquire+0x7ec/0x4ec0
[  424.911678] DMA: 
[  424.913912]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.918121] 1*4kB 
[  424.920179]  ? __lock_acquire+0x7ec/0x4ec0
[  424.925254] (U) 
[  424.927398]  ? should_fail+0x22d/0xd01
[  424.931611] 0*8kB 
[  424.933580]  ? print_usage_bug+0xc0/0xc0
[  424.937450] 0*16kB 
[  424.939607]  ? mark_held_locks+0x130/0x130
[  424.943637] 1*32kB 
[  424.945865]  ? mark_held_locks+0x130/0x130
[  424.950078] (U) 
[  424.952313]  ? graph_lock+0x170/0x170
[  424.956529] 2*64kB 
[  424.958498]  ? print_usage_bug+0xc0/0xc0
[  424.962288] (U) 
[  424.964529]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  424.968563] 1*128kB 
[  424.970543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.975278] (U) 
[  424.977602]  ? check_preemption_disabled+0x48/0x200
[  424.983105] 1*256kB (U) 
[  424.985086]  ? check_preemption_disabled+0x48/0x200
[  424.990068] 0*512kB 1*1024kB 
[  424.992749]  ? __lock_is_held+0xb5/0x140
[  424.997750] (U) 
[  425.000854]  __alloc_pages_nodemask+0xa80/0xde0
[  425.004886] 1*2048kB 
[  425.006853]  ? graph_lock+0x170/0x170
[  425.011497] (M) 
[  425.013911]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  425.017688] 3*4096kB 
[  425.019654]  ? graph_lock+0x170/0x170
[  425.024648] (M) 
[  425.027063]  ? find_held_lock+0x36/0x1c0
[  425.030852] = 15908kB
[  425.032828]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.036856] Node 0 
[  425.039263]  ? lock_downgrade+0x900/0x900
[  425.043899] DMA32: 2*4kB 
[  425.046143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.050260] (M) 
[  425.053017]  cache_grow_begin+0x91/0x8c0
[  425.058532] 0*8kB 
[  425.060503]  ? do_raw_spin_unlock+0xa7/0x2f0
[  425.064544] 3*16kB 
[  425.066693]  fallback_alloc+0x203/0x2e0
[  425.071074] (M) 
[  425.073313]  ____cache_alloc_node+0x1c7/0x1e0
[  425.077257] 2*32kB (UM) 
[  425.079238]  kmem_cache_alloc_node+0xe3/0x730
[  425.083705] 2*64kB 
[  425.086374]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.090844] (M) 
[  425.093085]  __alloc_skb+0x119/0x770
[  425.097289] 4*128kB 
[  425.099261]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  425.102944] (UM) 
[  425.105261]  ? skb_scrub_packet+0x490/0x490
[  425.110523] 2*256kB 
[  425.112579]  ? lock_downgrade+0x900/0x900
[  425.116878] (M) 
[  425.119201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.123322] 4*512kB 
[  425.125293]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.130806] (UM) 
[  425.133127]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.138551] 3*1024kB 
[  425.140607]  ? addrconf_rs_timer+0x6f0/0x6f0
[  425.146028] (M) 
[  425.148442]  ndisc_alloc_skb+0x144/0x340
[  425.152822] 3*2048kB (UM) 
[  425.154807]  ndisc_send_rs+0x331/0x6e0
[  425.158840] 3*4096kB 
[  425.161683]  addrconf_rs_timer+0x3c0/0x6f0
[  425.165542] (M) 
[  425.167954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.172163] = 24824kB
[  425.174142]  call_timer_fn+0x272/0x920
[  425.178343] Node 0 
[  425.180746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.184610] Normal: 
[  425.186842]  ? process_timeout+0x40/0x40
[  425.191051] 981*4kB 
[  425.193369]  ? find_held_lock+0x36/0x1c0
[  425.197406] (UMEH) 
[  425.199730]  ? __run_timers+0x7da/0xc70
[  425.203761] 521*8kB 
[  425.206006]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.209952] (MEH) 
[  425.212270]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.216741] 165*16kB (UMEH) 
[  425.218911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.223381] 24*32kB 
[  425.226393]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  425.230603] (MEH) 
[  425.232921]  ? trace_hardirqs_on+0xbd/0x310
[  425.237478] 4*64kB 
[  425.239624]  ? kasan_check_read+0x11/0x20
[  425.243920] (MH) 
[  425.246154]  ? __run_timers+0x7da/0xc70
[  425.250277] 3*128kB 
[  425.252334]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.256281] (UH) 
[  425.258623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.264038] 1*256kB (U) 
[  425.266110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.270333] 1*512kB 
[  425.273001]  __run_timers+0x7e5/0xc70
[  425.277210] (U) 
[  425.279545]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  425.283314] 1*1024kB 
[  425.285287]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.290629] (H) 
[  425.293034]  ? graph_lock+0x170/0x170
[  425.298452] 0*2048kB 0*4096kB 
[  425.300437]  ? enqueue_hrtimer+0x1a5/0x560
[  425.304210] = 13932kB
[  425.307397]  ? lock_release+0x970/0x970
[  425.311613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  425.314013]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.317967] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  425.326798]  ? find_held_lock+0x36/0x1c0
[  425.331955] 4507 total pagecache pages
[  425.340532]  ? graph_lock+0x170/0x170
[  425.344578] 0 pages in swap cache
[  425.348479]  ? pvclock_read_flags+0x160/0x160
[  425.352257] Swap cache stats: add 0, delete 0, find 0/0
[  425.355706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.360174] Free swap  = 0kB
[  425.365543]  ? check_preemption_disabled+0x48/0x200
[  425.371053] Total swap = 0kB
[  425.374071]  ? __lock_is_held+0xb5/0x140
[  425.379055] 1965979 pages RAM
[  425.382069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.386098] 0 pages HighMem/MovableOnly
[  425.386106] 342744 pages reserved
[  425.389211]  ? check_preemption_disabled+0x48/0x200
[  425.394722] 0 pages cma reserved
[  425.398692]  run_timer_softirq+0x52/0xb0
[  425.402197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  425.407119]  ? rcu_read_lock_sched_held+0x108/0x120
[  425.407138]  __do_softirq+0x30b/0xad8
[  425.407163]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  425.410577] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.414573]  ? pvclock_read_flags+0x160/0x160
[  425.421039] ksoftirqd/1 cpuset=
[  425.426047]  ? lapic_next_event+0x5a/0x90
[  425.430299] /
[  425.435422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.445713]  mems_allowed=0
[  425.450204]  ? check_preemption_disabled+0x48/0x200
[  425.472738]  ? check_preemption_disabled+0x48/0x200
[  425.477764]  ? kvm_clock_read+0x18/0x30
[  425.481743]  ? kvm_sched_clock_read+0x9/0x20
[  425.486160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.491705]  ? check_preemption_disabled+0x48/0x200
[  425.496735]  irq_exit+0x17f/0x1c0
[  425.500199]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.505042]  ? smp_reschedule_interrupt+0x109/0x650
[  425.510065]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.515950]  ? interrupt_entry+0xb5/0xf0
[  425.520012]  ? trace_hardirqs_off_caller+0xbb/0x300
[  425.525032]  ? trace_hardirqs_off_caller+0xbb/0x300
[  425.530053]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.534915]  ? trace_hardirqs_off+0x300/0x300
[  425.539411]  ? trace_hardirqs_off+0x300/0x300
[  425.543909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.549455]  ? check_preemption_disabled+0x48/0x200
[  425.554476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.560026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.564882]  apic_timer_interrupt+0xf/0x20
[  425.569122]  </IRQ>
[  425.571372] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  425.576304] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  425.595213] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  425.602929] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  425.610199] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  425.617467] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  425.624735] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  425.632001] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  425.639320]  skb_clone+0x1bb/0x500
[  425.642868]  ? skb_split+0x11e0/0x11e0
[  425.646760]  ? preempt_notifier_register+0x200/0x200
[  425.651873]  ? __switch_to_asm+0x34/0x70
[  425.655938]  ? __switch_to_asm+0x34/0x70
[  425.659999]  ? __switch_to_asm+0x40/0x70
[  425.664058]  ? __switch_to_asm+0x34/0x70
[  425.668118]  ? __switch_to_asm+0x40/0x70
[  425.672186]  ? __switch_to_asm+0x40/0x70
[  425.676247]  ? __switch_to_asm+0x34/0x70
[  425.680311]  ? __switch_to_asm+0x34/0x70
[  425.684373]  ? __switch_to_asm+0x40/0x70
[  425.688431]  ? __switch_to_asm+0x34/0x70
[  425.692503]  bpf_clone_redirect+0xb9/0x490
[  425.696847]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  425.701869]  ? __sched_text_start+0x8/0x8
[  425.706023]  ? lockdep_hardirqs_on+0x421/0x5c0
[  425.710612]  ? retint_kernel+0x2d/0x2d
[  425.714507]  ? trace_hardirqs_on_caller+0xc0/0x300
[  425.719452]  ? find_held_lock+0x36/0x1c0
[  425.723533]  ? lock_acquire+0x1ed/0x520
[  425.727518]  ? bpf_test_run+0x32e/0x5a0
[  425.731496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.737054]  ? check_preemption_disabled+0x48/0x200
[  425.742083]  ? kasan_check_read+0x11/0x20
[  425.746237]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  425.751526]  ? rcu_bh_qs+0xc0/0xc0
[  425.755071]  ? preempt_schedule+0x4d/0x60
[  425.759222]  ? ___preempt_schedule+0x16/0x18
[  425.763638]  ? bpf_test_run+0x1c0/0x5a0
[  425.767628]  ? netlink_diag_dump+0x2a0/0x2a0
[  425.772042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.777603]  ? bpf_test_init.isra.9+0x70/0x100
[  425.782192]  ? bpf_prog_test_run_skb+0x634/0xb40
[  425.786957]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  425.791806]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  425.797341]  ? fput+0x130/0x1a0
[  425.800638]  ? __bpf_prog_get+0x9b/0x290
[  425.804704]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  425.809549]  ? bpf_prog_test_run+0x130/0x1a0
[  425.813961]  ? __x64_sys_bpf+0x3d8/0x510
[  425.818022]  ? bpf_prog_get+0x20/0x20
[  425.821831]  ? ksys_ioctl+0x81/0xd0
[  425.825472]  ? do_syscall_64+0x1b9/0x820
[  425.829540]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  425.834907]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.839839]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.844689]  ? trace_hardirqs_off+0x300/0x300
[  425.849187]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  425.854210]  ? prepare_exit_to_usermode+0x291/0x3b0
[  425.859241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.864098]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  425.869484] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  425.869600] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  425.876331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.876336] Call Trace:
[  425.876356]  dump_stack+0x1c4/0x2b4
[  425.876373]  ? dump_stack_print_info.cold.2+0x52/0x52
[  425.876399]  warn_alloc.cold.118+0xb7/0x1bd
[  425.882939] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.892242]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.894811] syz-executor0 cpuset=
[  425.898450]  ? lock_downgrade+0x900/0x900
[  425.903621] syz0
[  425.907942]  ? trace_hardirqs_off+0xb8/0x300
[  425.918400]  mems_allowed=0
[  425.923234]  ? trace_hardirqs_off+0xb8/0x300
[  425.944486]  __alloc_pages_slowpath+0x2667/0x2d80
[  425.949372]  ? warn_alloc+0x120/0x120
[  425.953184]  ? warn_alloc+0x120/0x120
[  425.956988]  ? print_usage_bug+0xc0/0xc0
[  425.961053]  ? warn_alloc+0x120/0x120
[  425.964858]  ? print_usage_bug+0xc0/0xc0
[  425.968922]  ? __lock_acquire+0x7ec/0x4ec0
[  425.973181]  ? __lock_acquire+0x7ec/0x4ec0
[  425.977421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.982961]  ? should_fail+0x22d/0xd01
[  425.986855]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.991958]  ? __lock_acquire+0x7ec/0x4ec0
[  425.996200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.001306]  ? __lock_acquire+0x7ec/0x4ec0
[  426.005550]  ? should_fail+0x22d/0xd01
[  426.009456]  ? mark_held_locks+0x130/0x130
[  426.013696]  ? mark_held_locks+0x130/0x130
[  426.017936]  ? graph_lock+0x170/0x170
[  426.021741]  ? graph_lock+0x170/0x170
[  426.025552]  ? graph_lock+0x170/0x170
[  426.029358]  ? print_usage_bug+0xc0/0xc0
[  426.033423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.038964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.044507]  ? check_preemption_disabled+0x48/0x200
[  426.049544]  ? check_preemption_disabled+0x48/0x200
[  426.054574]  ? __lock_is_held+0xb5/0x140
[  426.058643]  __alloc_pages_nodemask+0xa80/0xde0
[  426.063323]  ? graph_lock+0x170/0x170
[  426.067129]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  426.072146]  ? graph_lock+0x170/0x170
[  426.075958]  ? find_held_lock+0x36/0x1c0
[  426.080031]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.084701]  ? lock_downgrade+0x900/0x900
[  426.088861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.094413]  cache_grow_begin+0x91/0x8c0
[  426.098480]  ? do_raw_spin_unlock+0xa7/0x2f0
[  426.102910]  fallback_alloc+0x203/0x2e0
[  426.106897]  ____cache_alloc_node+0x1c7/0x1e0
[  426.111405]  kmem_cache_alloc_node+0xe3/0x730
[  426.115902]  ? ipv6_get_ifaddr+0x42e/0x620
[  426.120149]  __alloc_skb+0x119/0x770
[  426.123865]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  426.129147]  ? skb_scrub_packet+0x490/0x490
[  426.133473]  ? lock_downgrade+0x900/0x900
[  426.137633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.143176]  ? refcount_sub_and_test_checked+0x203/0x310
[  426.148631]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  426.154088]  ? addrconf_rs_timer+0x6f0/0x6f0
[  426.158523]  ndisc_alloc_skb+0x144/0x340
[  426.162594]  ndisc_send_rs+0x331/0x6e0
[  426.166498]  addrconf_rs_timer+0x3c0/0x6f0
[  426.170750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.175001]  call_timer_fn+0x272/0x920
[  426.178893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.183131]  ? process_timeout+0x40/0x40
[  426.187192]  ? find_held_lock+0x36/0x1c0
[  426.191266]  ? __run_timers+0x7da/0xc70
[  426.195250]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.199755]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.204253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.208497]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  426.213090]  ? trace_hardirqs_on+0xbd/0x310
[  426.217415]  ? kasan_check_read+0x11/0x20
[  426.221563]  ? __run_timers+0x7da/0xc70
[  426.225546]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  426.231006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.235250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.239492]  __run_timers+0x7e5/0xc70
[  426.243322]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  426.248692]  ? compat_start_thread+0x80/0x80
[  426.253110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.258657]  ? _raw_spin_unlock_irq+0x60/0x80
[  426.263157]  ? finish_task_switch+0x1f5/0x900
[  426.267654]  ? finish_task_switch+0x1b5/0x900
[  426.272156]  ? __switch_to_asm+0x34/0x70
[  426.276223]  ? preempt_notifier_register+0x200/0x200
[  426.281330]  ? __switch_to_asm+0x34/0x70
[  426.285394]  ? __switch_to_asm+0x40/0x70
[  426.289456]  ? __switch_to_asm+0x34/0x70
[  426.293525]  ? __switch_to_asm+0x40/0x70
[  426.297589]  ? __switch_to_asm+0x34/0x70
[  426.301649]  ? __switch_to_asm+0x40/0x70
[  426.305712]  ? __switch_to_asm+0x40/0x70
[  426.309783]  ? pvclock_read_flags+0x160/0x160
[  426.314281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.319829]  ? check_preemption_disabled+0x48/0x200
[  426.324859]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  426.330140]  ? rcu_pm_notify+0xc0/0xc0
[  426.334037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.339583]  ? check_preemption_disabled+0x48/0x200
[  426.344615]  run_timer_softirq+0x52/0xb0
[  426.348680]  ? rcu_read_lock_sched_held+0x108/0x120
[  426.353704]  __do_softirq+0x30b/0xad8
[  426.357527]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  426.362635]  ? trace_hardirqs_off_caller+0x300/0x300
[  426.367753]  ? schedule+0x108/0x460
[  426.371387]  ? __schedule+0x1ed0/0x1ed0
[  426.375369]  ? trace_hardirqs_off+0xb8/0x300
[  426.379781]  ? ___might_sleep+0x1ed/0x300
[  426.383932]  ? smpboot_thread_fn+0x68b/0xa00
[  426.388342]  ? trace_hardirqs_on+0x310/0x310
[  426.392753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.398301]  ? check_preemption_disabled+0x48/0x200
[  426.403320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.408861]  ? takeover_tasklets+0xa90/0xa90
[  426.413278]  run_ksoftirqd+0x94/0x100
[  426.417091]  smpboot_thread_fn+0x68b/0xa00
[  426.421334]  ? sort_range+0x30/0x30
[  426.424984]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.430096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.435636]  ? __kthread_parkme+0xfb/0x1a0
[  426.439880]  kthread+0x35a/0x420
[  426.443251]  ? sort_range+0x30/0x30
[  426.446879]  ? kthread_bind+0x40/0x40
[  426.450687]  ret_from_fork+0x3a/0x50
[  426.454424] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  426.454429] warn_alloc_show_mem: 1 callbacks suppressed
[  426.454436] Mem-Info:
[  426.461711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.467096] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  426.467096]  active_file:28 inactive_file:21 isolated_file:0
[  426.467096]  unevictable:0 dirty:0 writeback:0 unstable:0
[  426.467096]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  426.467096]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  426.467096]  free:13666 free_pcp:197 free_cma:0
[  426.469478] Call Trace:
[  426.478888] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  426.511924]  <IRQ>
[  426.514500] Node 0 
[  426.542370]  dump_stack+0x1c4/0x2b4
[  426.544527] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  426.546741]  ? dump_stack_print_info.cold.2+0x52/0x52
[  426.550341] lowmem_reserve[]:
[  426.575867]  warn_alloc.cold.118+0xb7/0x1bd
[  426.581044]  0
[  426.584154]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.588443]  2817 6321
[  426.590264]  ? lock_downgrade+0x900/0x900
[  426.595092]  6321
[  426.597597]  ? trace_hardirqs_off+0xb8/0x300
[  426.601708] Node 0 
[  426.603775]  ? trace_hardirqs_off+0xb8/0x300
[  426.608176] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  426.610391]  __alloc_pages_slowpath+0x2667/0x2d80
[  426.614755] lowmem_reserve[]: 0
[  426.641550]  ? warn_alloc+0x120/0x120
[  426.646344]  0
[  426.649626]  ? warn_alloc+0x120/0x120
[  426.653387]  3503 3503
[  426.655196]  ? print_usage_bug+0xc0/0xc0
[  426.661467]  ? warn_alloc+0x120/0x120
[  426.665509] Node 0 
[  426.669336]  ? print_usage_bug+0xc0/0xc0
[  426.669368] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  426.669375] lowmem_reserve[]:
[  426.671612]  ? __lock_acquire+0x7ec/0x4ec0
[  426.675652]  0
[  426.704210]  ? __lock_acquire+0x7ec/0x4ec0
[  426.707291]  0
[  426.711529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.713295]  0 0
[  426.717548]  ? should_fail+0x22d/0xd01
[  426.724860]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.726814] Node 0 
[  426.730696]  ? __lock_acquire+0x7ec/0x4ec0
[  426.735769] DMA: 1*4kB 
[  426.738020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.742229] (U) 
[  426.744812]  ? __lock_acquire+0x7ec/0x4ec0
[  426.749906] 0*8kB 
[  426.751877]  ? should_fail+0x22d/0xd01
[  426.756170] 0*16kB 1*32kB 
[  426.758333]  ? mark_held_locks+0x130/0x130
[  426.762184] (U) 
[  426.765032]  ? mark_held_locks+0x130/0x130
[  426.769240] 2*64kB 
[  426.771212]  ? graph_lock+0x170/0x170
[  426.775423] (U) 
[  426.777656]  ? graph_lock+0x170/0x170
[  426.781449] 1*128kB 
[  426.783421]  ? graph_lock+0x170/0x170
[  426.787195] (U) 
[  426.789527]  ? print_usage_bug+0xc0/0xc0
[  426.793307] 1*256kB 
[  426.795283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.799322] (U) 
[  426.801642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.807150] 0*512kB 1*1024kB 
[  426.809136]  ? check_preemption_disabled+0x48/0x200
[  426.814645] (U) 
[  426.817750]  ? check_preemption_disabled+0x48/0x200
[  426.822736] 1*2048kB (M) 
[  426.824723]  ? __lock_is_held+0xb5/0x140
[  426.829732] 3*4096kB 
[  426.832491]  __alloc_pages_nodemask+0xa80/0xde0
[  426.836696] (M) 
[  426.839106]  ? graph_lock+0x170/0x170
[  426.843753] = 15908kB
[  426.845731]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  426.849506] Node 0 
[  426.851918]  ? graph_lock+0x170/0x170
[  426.856904] DMA32: 2*4kB 
[  426.859154]  ? find_held_lock+0x36/0x1c0
[  426.862917] (M) 
[  426.865676]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.869717] 0*8kB 
[  426.871711]  ? lock_downgrade+0x900/0x900
[  426.876372] 3*16kB 
[  426.878533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.882652] (M) 
[  426.884887]  cache_grow_begin+0x91/0x8c0
[  426.890392] 2*32kB (UM) 
[  426.892377]  ? do_raw_spin_unlock+0xa7/0x2f0
[  426.896411] 2*64kB 
[  426.899086]  fallback_alloc+0x203/0x2e0
[  426.903465] (M) 
[  426.905702]  ____cache_alloc_node+0x1c7/0x1e0
[  426.909646] 4*128kB 
[  426.911633]  kmem_cache_alloc_node+0xe3/0x730
[  426.916099] (UM) 
[  426.918420]  ? ipv6_get_ifaddr+0x42e/0x620
[  426.922889] 2*256kB 
[  426.924955]  __alloc_skb+0x119/0x770
[  426.929156] (M) 
[  426.931478]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  426.935163] 4*512kB 
[  426.937135]  ? skb_scrub_packet+0x490/0x490
[  426.942392] (UM) 
[  426.944713]  ? lock_downgrade+0x900/0x900
[  426.949011] 3*1024kB 
[  426.951071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.955188] (M) 
[  426.957603]  ? refcount_sub_and_test_checked+0x203/0x310
[  426.963121] 3*2048kB 
[  426.965117]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  426.970542] (UM) 
[  426.972949]  ? addrconf_rs_timer+0x6f0/0x6f0
[  426.978375] 3*4096kB 
[  426.980441]  ndisc_alloc_skb+0x144/0x340
[  426.984817] (M) 
[  426.987229]  ndisc_send_rs+0x331/0x6e0
[  426.991281] = 24824kB
[  426.993258]  addrconf_rs_timer+0x3c0/0x6f0
[  426.997122] Node 0 
[  426.999538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.003745] Normal: 
[  427.006002]  call_timer_fn+0x272/0x920
[  427.010206] 981*4kB 
[  427.012532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.016397] (UMEH) 
[  427.018715]  ? process_timeout+0x40/0x40
[  427.022924] 521*8kB 
[  427.025159]  ? find_held_lock+0x36/0x1c0
[  427.029191] (MEH) 
[  427.031524]  ? __run_timers+0x7da/0xc70
[  427.035554] 165*16kB 
[  427.037700]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.041646] (UMEH) 
[  427.044051]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.048546] 24*32kB 
[  427.050780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.055247] (MEH) 
[  427.057586]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  427.061799] 4*64kB 
[  427.063945]  ? trace_hardirqs_on+0xbd/0x310
[  427.068502] (MH) 
[  427.070742]  ? kasan_check_read+0x11/0x20
[  427.075037] 3*128kB 
[  427.077096]  ? __run_timers+0x7da/0xc70
[  427.081215] (UH) 
[  427.083543]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  427.087493] 1*256kB 
[  427.089564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.094987] (U) 
[  427.097308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.101539] 1*512kB 
[  427.103522]  __run_timers+0x7e5/0xc70
[  427.107731] (U) 
[  427.110062]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  427.113832] 1*1024kB 
[  427.115827]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  427.121162] (H) 
[  427.123566]  ? graph_lock+0x170/0x170
[  427.128556] 0*2048kB 
[  427.130535]  ? enqueue_hrtimer+0x1a5/0x560
[  427.134308] 0*4096kB = 13932kB
[  427.136721]  ? lock_release+0x970/0x970
[  427.140941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  427.144122]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  427.148077] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  427.156912]  ? find_held_lock+0x36/0x1c0
[  427.162069] 4507 total pagecache pages
[  427.170642]  ? graph_lock+0x170/0x170
[  427.174684] 0 pages in swap cache
[  427.178557]  ? pvclock_read_flags+0x160/0x160
[  427.182334] Swap cache stats: add 0, delete 0, find 0/0
[  427.185788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.190251] Free swap  = 0kB
[  427.195612]  ? check_preemption_disabled+0x48/0x200
[  427.201139] Total swap = 0kB
[  427.204182]  ? __lock_is_held+0xb5/0x140
[  427.209169] 1965979 pages RAM
[  427.212184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.216222] 0 pages HighMem/MovableOnly
[  427.219327]  ? check_preemption_disabled+0x48/0x200
[  427.224839] 342744 pages reserved
[  427.228814]  run_timer_softirq+0x52/0xb0
[  427.233801] 0 pages cma reserved
[  427.237250]  ? rcu_read_lock_sched_held+0x108/0x120
[  427.241377] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  427.244656]  __do_softirq+0x30b/0xad8
[  427.249745] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.256150]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  427.259921] ksoftirqd/1 cpuset=
[  427.270233]  ? pvclock_read_flags+0x160/0x160
[  427.275315] /
[  427.278591]  ? lapic_next_event+0x5a/0x90
[  427.283069]  mems_allowed=0
[  427.284778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.297863]  ? check_preemption_disabled+0x48/0x200
[  427.302881]  ? check_preemption_disabled+0x48/0x200
[  427.307907]  ? kvm_clock_read+0x18/0x30
[  427.311882]  ? kvm_sched_clock_read+0x9/0x20
[  427.316294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.321837]  ? check_preemption_disabled+0x48/0x200
[  427.326868]  irq_exit+0x17f/0x1c0
[  427.330332]  smp_apic_timer_interrupt+0x1cb/0x760
[  427.335178]  ? smp_reschedule_interrupt+0x109/0x650
[  427.340198]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.346088]  ? interrupt_entry+0xb5/0xf0
[  427.350151]  ? trace_hardirqs_off_caller+0xbb/0x300
[  427.355169]  ? trace_hardirqs_off_caller+0xbb/0x300
[  427.360190]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.365037]  ? trace_hardirqs_off+0x300/0x300
[  427.369539]  ? trace_hardirqs_off+0x300/0x300
[  427.374042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.379586]  ? check_preemption_disabled+0x48/0x200
[  427.384605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.390155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.395013]  apic_timer_interrupt+0xf/0x20
[  427.399244]  </IRQ>
[  427.401495] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  427.406434] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  427.425336] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  427.433283] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  427.440552] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  427.447823] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  427.455091] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  427.462359] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  427.469721]  skb_clone+0x1bb/0x500
[  427.473265]  ? skb_split+0x11e0/0x11e0
[  427.477164]  ? preempt_notifier_register+0x200/0x200
[  427.482284]  ? __switch_to_asm+0x34/0x70
[  427.486351]  ? __switch_to_asm+0x34/0x70
[  427.490414]  ? __switch_to_asm+0x40/0x70
[  427.494473]  ? __switch_to_asm+0x34/0x70
[  427.498539]  ? __switch_to_asm+0x40/0x70
[  427.502601]  ? __switch_to_asm+0x40/0x70
[  427.506667]  ? __switch_to_asm+0x34/0x70
[  427.510737]  ? __switch_to_asm+0x34/0x70
[  427.514803]  ? __switch_to_asm+0x40/0x70
[  427.518867]  ? __switch_to_asm+0x34/0x70
[  427.522941]  bpf_clone_redirect+0xb9/0x490
[  427.527189]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  427.532229]  ? __sched_text_start+0x8/0x8
[  427.536384]  ? lockdep_hardirqs_on+0x421/0x5c0
[  427.540968]  ? retint_kernel+0x2d/0x2d
[  427.544861]  ? trace_hardirqs_on_caller+0xc0/0x300
[  427.549808]  ? find_held_lock+0x36/0x1c0
[  427.553878]  ? lock_acquire+0x1ed/0x520
[  427.557860]  ? bpf_test_run+0x32e/0x5a0
[  427.561838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.567382]  ? check_preemption_disabled+0x48/0x200
[  427.572407]  ? kasan_check_read+0x11/0x20
[  427.576559]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  427.581840]  ? rcu_bh_qs+0xc0/0xc0
[  427.585384]  ? preempt_schedule+0x4d/0x60
[  427.589544]  ? ___preempt_schedule+0x16/0x18
[  427.593962]  ? bpf_test_run+0x1c0/0x5a0
[  427.597949]  ? netlink_diag_dump+0x2a0/0x2a0
[  427.602365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.607901]  ? bpf_test_init.isra.9+0x70/0x100
[  427.612489]  ? bpf_prog_test_run_skb+0x634/0xb40
[  427.617265]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  427.622112]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  427.627653]  ? fput+0x130/0x1a0
[  427.630940]  ? __bpf_prog_get+0x9b/0x290
[  427.635007]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  427.639851]  ? bpf_prog_test_run+0x130/0x1a0
[  427.644271]  ? __x64_sys_bpf+0x3d8/0x510
[  427.648334]  ? bpf_prog_get+0x20/0x20
[  427.652144]  ? ksys_ioctl+0x81/0xd0
[  427.655782]  ? do_syscall_64+0x1b9/0x820
[  427.659853]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  427.665221]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.670160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.675006]  ? trace_hardirqs_off+0x300/0x300
[  427.679509]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  427.684552]  ? prepare_exit_to_usermode+0x291/0x3b0
[  427.689582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.694435]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  427.699827] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  427.699913] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  427.706673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.706679] Call Trace:
[  427.706698]  dump_stack+0x1c4/0x2b4
[  427.706715]  ? dump_stack_print_info.cold.2+0x52/0x52
[  427.706741]  warn_alloc.cold.118+0xb7/0x1bd
[  427.713269] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.722555]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.725118] syz-executor0 cpuset=
[  427.728738]  ? lock_downgrade+0x900/0x900
[  427.733902] syz0
[  427.738241]  ? trace_hardirqs_off+0xb8/0x300
[  427.748720]  mems_allowed=0
[  427.753560]  ? trace_hardirqs_off+0xb8/0x300
[  427.774798]  __alloc_pages_slowpath+0x2667/0x2d80
[  427.779675]  ? warn_alloc+0x120/0x120
[  427.783485]  ? warn_alloc+0x120/0x120
[  427.787302]  ? print_usage_bug+0xc0/0xc0
[  427.791370]  ? warn_alloc+0x120/0x120
[  427.795171]  ? print_usage_bug+0xc0/0xc0
[  427.799236]  ? __lock_acquire+0x7ec/0x4ec0
[  427.803470]  ? __lock_acquire+0x7ec/0x4ec0
[  427.807710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.813253]  ? should_fail+0x22d/0xd01
[  427.817158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.822265]  ? __lock_acquire+0x7ec/0x4ec0
[  427.826521]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.831625]  ? __lock_acquire+0x7ec/0x4ec0
[  427.835860]  ? should_fail+0x22d/0xd01
[  427.839745]  ? print_usage_bug+0xc0/0xc0
[  427.843820]  ? mark_held_locks+0x130/0x130
[  427.848059]  ? mark_held_locks+0x130/0x130
[  427.852312]  ? graph_lock+0x170/0x170
[  427.856117]  ? print_usage_bug+0xc0/0xc0
[  427.860179]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  427.864937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.870481]  ? check_preemption_disabled+0x48/0x200
[  427.875506]  ? check_preemption_disabled+0x48/0x200
[  427.880555]  ? __lock_is_held+0xb5/0x140
[  427.884624]  __alloc_pages_nodemask+0xa80/0xde0
[  427.889300]  ? graph_lock+0x170/0x170
[  427.893109]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  427.898122]  ? graph_lock+0x170/0x170
[  427.901940]  ? find_held_lock+0x36/0x1c0
[  427.906013]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.910691]  ? lock_downgrade+0x900/0x900
[  427.914852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.920401]  cache_grow_begin+0x91/0x8c0
[  427.924470]  ? do_raw_spin_unlock+0xa7/0x2f0
[  427.928893]  fallback_alloc+0x203/0x2e0
[  427.932880]  ____cache_alloc_node+0x1c7/0x1e0
[  427.937383]  kmem_cache_alloc_node+0xe3/0x730
[  427.941881]  ? ipv6_get_ifaddr+0x42e/0x620
[  427.946131]  __alloc_skb+0x119/0x770
[  427.949846]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  427.955144]  ? skb_scrub_packet+0x490/0x490
[  427.959466]  ? lock_downgrade+0x900/0x900
[  427.963636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.969180]  ? refcount_sub_and_test_checked+0x203/0x310
[  427.974637]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  427.980094]  ? addrconf_rs_timer+0x6f0/0x6f0
[  427.984528]  ndisc_alloc_skb+0x144/0x340
[  427.988598]  ndisc_send_rs+0x331/0x6e0
[  427.992495]  addrconf_rs_timer+0x3c0/0x6f0
[  427.996745]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.000998]  call_timer_fn+0x272/0x920
[  428.004889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.009130]  ? process_timeout+0x40/0x40
[  428.013194]  ? find_held_lock+0x36/0x1c0
[  428.017267]  ? __run_timers+0x7da/0xc70
[  428.021251]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.025750]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.030248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.034486]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  428.039079]  ? trace_hardirqs_on+0xbd/0x310
[  428.043408]  ? kasan_check_read+0x11/0x20
[  428.047559]  ? __run_timers+0x7da/0xc70
[  428.051544]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  428.057003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.061248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.065483]  __run_timers+0x7e5/0xc70
[  428.069312]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  428.074675]  ? compat_start_thread+0x80/0x80
[  428.079088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.084633]  ? _raw_spin_unlock_irq+0x60/0x80
[  428.089139]  ? finish_task_switch+0x1f5/0x900
[  428.093639]  ? finish_task_switch+0x1b5/0x900
[  428.098142]  ? __switch_to_asm+0x34/0x70
[  428.102209]  ? preempt_notifier_register+0x200/0x200
[  428.107319]  ? __switch_to_asm+0x34/0x70
[  428.111384]  ? __switch_to_asm+0x40/0x70
[  428.115445]  ? __switch_to_asm+0x34/0x70
[  428.119507]  ? __switch_to_asm+0x40/0x70
[  428.123578]  ? __switch_to_asm+0x34/0x70
[  428.127638]  ? __switch_to_asm+0x40/0x70
[  428.131706]  ? __switch_to_asm+0x40/0x70
[  428.135795]  ? pvclock_read_flags+0x160/0x160
[  428.140300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.145845]  ? check_preemption_disabled+0x48/0x200
[  428.150874]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  428.156156]  ? rcu_pm_notify+0xc0/0xc0
[  428.160045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.165614]  ? check_preemption_disabled+0x48/0x200
[  428.170835]  run_timer_softirq+0x52/0xb0
[  428.174897]  ? rcu_read_lock_sched_held+0x108/0x120
[  428.179916]  __do_softirq+0x30b/0xad8
[  428.183733]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  428.188863]  ? trace_hardirqs_off_caller+0x300/0x300
[  428.193976]  ? schedule+0x108/0x460
[  428.197611]  ? __schedule+0x1ed0/0x1ed0
[  428.201594]  ? trace_hardirqs_off+0xb8/0x300
[  428.206023]  ? ___might_sleep+0x1ed/0x300
[  428.210172]  ? smpboot_thread_fn+0x68b/0xa00
[  428.214584]  ? trace_hardirqs_on+0x310/0x310
[  428.219001]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.224549]  ? check_preemption_disabled+0x48/0x200
[  428.229568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.235109]  ? takeover_tasklets+0xa90/0xa90
[  428.239533]  run_ksoftirqd+0x94/0x100
[  428.243354]  smpboot_thread_fn+0x68b/0xa00
[  428.247598]  ? sort_range+0x30/0x30
[  428.251230]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.256338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.261877]  ? __kthread_parkme+0xfb/0x1a0
[  428.266119]  kthread+0x35a/0x420
[  428.269492]  ? sort_range+0x30/0x30
[  428.273126]  ? kthread_bind+0x40/0x40
[  428.276935]  ret_from_fork+0x3a/0x50
[  428.280676] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  428.280681] warn_alloc_show_mem: 1 callbacks suppressed
[  428.280688] Mem-Info:
[  428.287960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.293332] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  428.293332]  active_file:28 inactive_file:21 isolated_file:0
[  428.293332]  unevictable:0 dirty:0 writeback:0 unstable:0
[  428.293332]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  428.293332]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  428.293332]  free:13666 free_pcp:197 free_cma:0
[  428.295705] Call Trace:
[  428.305095] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  428.338129]  <IRQ>
[  428.340702] Node 0 
[  428.368552]  dump_stack+0x1c4/0x2b4
[  428.370717] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  428.372926]  ? dump_stack_print_info.cold.2+0x52/0x52
[  428.376538] lowmem_reserve[]:
[  428.402052]  warn_alloc.cold.118+0xb7/0x1bd
[  428.407239]  0
[  428.410337]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.414632]  2817
[  428.416431]  ? lock_downgrade+0x900/0x900
[  428.421250]  6321
[  428.423314]  ? trace_hardirqs_off+0xb8/0x300
[  428.427938]  6321
[  428.430009]  ? trace_hardirqs_off+0xb8/0x300
[  428.434389] Node 0 
[  428.436452]  __alloc_pages_slowpath+0x2667/0x2d80
[  428.440856] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  428.443091]  ? warn_alloc+0x120/0x120
[  428.447877] lowmem_reserve[]: 0
[  428.474609]  ? warn_alloc+0x120/0x120
[  428.478381]  0
[  428.481652]  ? print_usage_bug+0xc0/0xc0
[  428.485428]  3503
[  428.487244]  ? warn_alloc+0x120/0x120
[  428.491280]  3503
[  428.493342]  ? print_usage_bug+0xc0/0xc0
[  428.497117] Node 0 
[  428.499173]  ? __lock_acquire+0x7ec/0x4ec0
[  428.503236] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  428.505441]  ? __lock_acquire+0x7ec/0x4ec0
[  428.509673] lowmem_reserve[]:
[  428.538257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.542464]  0
[  428.545592]  ? should_fail+0x22d/0xd01
[  428.551102]  0
[  428.552904]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.556984]  0 0
[  428.558798]  ? __lock_acquire+0x7ec/0x4ec0
[  428.563867] Node 0 
[  428.565839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.570049] DMA: 
[  428.572281]  ? __lock_acquire+0x7ec/0x4ec0
[  428.577367] 1*4kB 
[  428.579425]  ? should_fail+0x22d/0xd01
[  428.583632] (U) 
[  428.585794]  ? mark_held_locks+0x130/0x130
[  428.589646] 0*8kB 
[  428.591620]  ? mark_held_locks+0x130/0x130
[  428.595832] 0*16kB 
[  428.597982]  ? graph_lock+0x170/0x170
[  428.602194] 1*32kB 
[  428.604425]  ? graph_lock+0x170/0x170
[  428.608200] (U) 
[  428.610433]  ? graph_lock+0x170/0x170
[  428.614212] 2*64kB 
[  428.616182]  ? print_usage_bug+0xc0/0xc0
[  428.619956] (U) 
[  428.622191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.626223] 1*128kB 
[  428.628192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.633706] (U) 
[  428.636032]  ? check_preemption_disabled+0x48/0x200
[  428.641552] 1*256kB 
[  428.643537]  ? check_preemption_disabled+0x48/0x200
[  428.648534] (U) 
[  428.650876]  ? __lock_is_held+0xb5/0x140
[  428.655855] 0*512kB 
[  428.657852]  __alloc_pages_nodemask+0xa80/0xde0
[  428.661885] 1*1024kB 
[  428.664202]  ? graph_lock+0x170/0x170
[  428.668861] (U) 
[  428.671268]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  428.675061] 1*2048kB 
[  428.677035]  ? graph_lock+0x170/0x170
[  428.682027] (M) 3*4096kB 
[  428.684462]  ? find_held_lock+0x36/0x1c0
[  428.688228] (M) 
[  428.690992]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.695023] = 15908kB
[  428.696993]  ? lock_downgrade+0x900/0x900
[  428.701634] Node 0 
[  428.704044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.708164] DMA32: 
[  428.710399]  cache_grow_begin+0x91/0x8c0
[  428.715908] 2*4kB 
[  428.718140]  ? do_raw_spin_unlock+0xa7/0x2f0
[  428.722173] (M) 
[  428.724324]  fallback_alloc+0x203/0x2e0
[  428.728708] 0*8kB 
[  428.730682]  ____cache_alloc_node+0x1c7/0x1e0
[  428.734650] 3*16kB 
[  428.736823]  kmem_cache_alloc_node+0xe3/0x730
[  428.741298] (M) 
[  428.743539]  ? ipv6_get_ifaddr+0x42e/0x620
[  428.748024] 2*32kB 
[  428.750005]  __alloc_skb+0x119/0x770
[  428.754217] (UM) 
[  428.756451]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  428.760136] 2*64kB 
[  428.762193]  ? skb_scrub_packet+0x490/0x490
[  428.767446] (M) 
[  428.769680]  ? lock_downgrade+0x900/0x900
[  428.773978] 4*128kB 
[  428.775955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.780075] (UM) 
[  428.782406]  ? refcount_sub_and_test_checked+0x203/0x310
[  428.787927] 2*256kB (M) 
[  428.789998]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.795424] 4*512kB 
[  428.798090]  ? addrconf_rs_timer+0x6f0/0x6f0
[  428.803523] (UM) 
[  428.805851]  ndisc_alloc_skb+0x144/0x340
[  428.810222] 3*1024kB (M) 
[  428.812290]  ndisc_send_rs+0x331/0x6e0
[  428.816327] 3*2048kB 
[  428.819083]  addrconf_rs_timer+0x3c0/0x6f0
[  428.822949] (UM) 
[  428.825360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.829568] 3*4096kB 
[  428.831653]  call_timer_fn+0x272/0x920
[  428.835851] (M) 
[  428.838254]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.842116] = 24824kB
[  428.844088]  ? process_timeout+0x40/0x40
[  428.848302] Node 0 
[  428.850707]  ? find_held_lock+0x36/0x1c0
[  428.854746] Normal: 
[  428.856980]  ? __run_timers+0x7da/0xc70
[  428.861011] 981*4kB 
[  428.863329]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.867367] (UMEH) 
[  428.869686]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.874159] 521*8kB 
[  428.876389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.880951] (MEH) 
[  428.883268]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  428.887481] 165*16kB (UMEH) 
[  428.889658]  ? trace_hardirqs_on+0xbd/0x310
[  428.894215] 24*32kB 
[  428.897230]  ? kasan_check_read+0x11/0x20
[  428.901527] (MEH) 
[  428.903849]  ? __run_timers+0x7da/0xc70
[  428.907970] 4*64kB 
[  428.910111]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  428.914059] (MH) 
[  428.916293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.921739] 3*128kB 
[  428.923803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.928004] (UH) 
[  428.930326]  __run_timers+0x7e5/0xc70
[  428.934544] 1*256kB 
[  428.936626]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  428.940393] (U) 
[  428.942716]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.948055] 1*512kB 
[  428.950030]  ? graph_lock+0x170/0x170
[  428.955019] (U) 
[  428.957336]  ? enqueue_hrtimer+0x1a5/0x560
[  428.961109] 1*1024kB 
[  428.963078]  ? lock_release+0x970/0x970
[  428.967289] (H) 0*2048kB 
[  428.969703]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.973655] 0*4096kB 
[  428.976410]  ? find_held_lock+0x36/0x1c0
[  428.981578] = 13932kB
[  428.983980]  ? graph_lock+0x170/0x170
[  428.988027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  428.990430]  ? pvclock_read_flags+0x160/0x160
[  428.994213] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.003037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.007521] 4507 total pagecache pages
[  429.016095]  ? check_preemption_disabled+0x48/0x200
[  429.021610] 0 pages in swap cache
[  429.025499]  ? __lock_is_held+0xb5/0x140
[  429.030487] Swap cache stats: add 0, delete 0, find 0/0
[  429.033951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.037986] Free swap  = 0kB
[  429.043358]  ? check_preemption_disabled+0x48/0x200
[  429.048884] Total swap = 0kB
[  429.051900]  run_timer_softirq+0x52/0xb0
[  429.056886] 1965979 pages RAM
[  429.059896]  ? rcu_read_lock_sched_held+0x108/0x120
[  429.063925] 0 pages HighMem/MovableOnly
[  429.063933] 342744 pages reserved
[  429.067033]  __do_softirq+0x30b/0xad8
[  429.072022] 0 pages cma reserved
[  429.075999]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  429.079684] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  429.083395]  ? pvclock_read_flags+0x160/0x160
[  429.086834] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.091840]  ? lapic_next_event+0x5a/0x90
[  429.098310] ksoftirqd/1 cpuset=
[  429.102811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.113095] /
[  429.117242]  ? check_preemption_disabled+0x48/0x200
[  429.120497]  mems_allowed=0
[  429.126033]  ? check_preemption_disabled+0x48/0x200
[  429.140686]  ? kvm_clock_read+0x18/0x30
[  429.144665]  ? kvm_sched_clock_read+0x9/0x20
[  429.149084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.154624]  ? check_preemption_disabled+0x48/0x200
[  429.159656]  irq_exit+0x17f/0x1c0
[  429.163125]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.167967]  ? smp_reschedule_interrupt+0x109/0x650
[  429.172987]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.178878]  ? interrupt_entry+0xb5/0xf0
[  429.182941]  ? trace_hardirqs_off_caller+0xbb/0x300
[  429.187957]  ? trace_hardirqs_off_caller+0xbb/0x300
[  429.192977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.197824]  ? trace_hardirqs_off+0x300/0x300
[  429.202320]  ? trace_hardirqs_off+0x300/0x300
[  429.206822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.212367]  ? check_preemption_disabled+0x48/0x200
[  429.217389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.222937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.227799]  apic_timer_interrupt+0xf/0x20
[  429.232033]  </IRQ>
[  429.234295] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  429.239246] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  429.258160] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  429.265882] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  429.273158] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  429.280430] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  429.287698] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  429.294966] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  429.302765]  skb_clone+0x1bb/0x500
[  429.306317]  ? skb_split+0x11e0/0x11e0
[  429.310213]  ? preempt_notifier_register+0x200/0x200
[  429.315320]  ? __switch_to_asm+0x34/0x70
[  429.319384]  ? __switch_to_asm+0x34/0x70
[  429.323452]  ? __switch_to_asm+0x40/0x70
[  429.327524]  ? __switch_to_asm+0x34/0x70
[  429.331587]  ? __switch_to_asm+0x40/0x70
[  429.335653]  ? __switch_to_asm+0x40/0x70
[  429.339717]  ? __switch_to_asm+0x34/0x70
[  429.343792]  ? __switch_to_asm+0x34/0x70
[  429.347853]  ? __switch_to_asm+0x40/0x70
[  429.351914]  ? __switch_to_asm+0x34/0x70
[  429.355988]  bpf_clone_redirect+0xb9/0x490
[  429.360239]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  429.365263]  ? __sched_text_start+0x8/0x8
[  429.369420]  ? lockdep_hardirqs_on+0x421/0x5c0
[  429.374011]  ? retint_kernel+0x2d/0x2d
[  429.377905]  ? trace_hardirqs_on_caller+0xc0/0x300
[  429.382847]  ? find_held_lock+0x36/0x1c0
[  429.386921]  ? lock_acquire+0x1ed/0x520
[  429.390900]  ? bpf_test_run+0x32e/0x5a0
[  429.394880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.400423]  ? check_preemption_disabled+0x48/0x200
[  429.405451]  ? kasan_check_read+0x11/0x20
[  429.409610]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  429.414893]  ? rcu_bh_qs+0xc0/0xc0
[  429.418439]  ? preempt_schedule+0x4d/0x60
[  429.422610]  ? ___preempt_schedule+0x16/0x18
[  429.427293]  ? bpf_test_run+0x1c0/0x5a0
[  429.431284]  ? netlink_diag_dump+0x2a0/0x2a0
[  429.435705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.441248]  ? bpf_test_init.isra.9+0x70/0x100
[  429.445840]  ? bpf_prog_test_run_skb+0x634/0xb40
[  429.450616]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  429.455486]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  429.461030]  ? fput+0x130/0x1a0
[  429.464318]  ? __bpf_prog_get+0x9b/0x290
[  429.468384]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  429.473225]  ? bpf_prog_test_run+0x130/0x1a0
[  429.477642]  ? __x64_sys_bpf+0x3d8/0x510
[  429.481704]  ? bpf_prog_get+0x20/0x20
[  429.485542]  ? ksys_ioctl+0x81/0xd0
[  429.489186]  ? do_syscall_64+0x1b9/0x820
[  429.493250]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  429.498620]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.503552]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.508397]  ? trace_hardirqs_off+0x300/0x300
[  429.512896]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  429.517934]  ? prepare_exit_to_usermode+0x291/0x3b0
[  429.522961]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.527817]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  429.533207] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  429.533289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  429.540054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.540059] Call Trace:
[  429.540079]  dump_stack+0x1c4/0x2b4
[  429.540100]  ? dump_stack_print_info.cold.2+0x52/0x52
[  429.546670] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.555957]  warn_alloc.cold.118+0xb7/0x1bd
[  429.558536] syz-executor0 cpuset=
[  429.562159]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.567327] syz0
[  429.577813]  ? lock_downgrade+0x900/0x900
[  429.582114]  mems_allowed=0
[  429.585566]  ? trace_hardirqs_off+0xb8/0x300
[  429.603792]  ? trace_hardirqs_off+0xb8/0x300
[  429.608213]  __alloc_pages_slowpath+0x2667/0x2d80
[  429.613090]  ? warn_alloc+0x120/0x120
[  429.616898]  ? warn_alloc+0x120/0x120
[  429.620725]  ? print_usage_bug+0xc0/0xc0
[  429.624791]  ? warn_alloc+0x120/0x120
[  429.628595]  ? print_usage_bug+0xc0/0xc0
[  429.632661]  ? __lock_acquire+0x7ec/0x4ec0
[  429.636900]  ? __lock_acquire+0x7ec/0x4ec0
[  429.641138]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.646676]  ? should_fail+0x22d/0xd01
[  429.650574]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.655679]  ? __lock_acquire+0x7ec/0x4ec0
[  429.659924]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.665043]  ? __lock_acquire+0x7ec/0x4ec0
[  429.669277]  ? should_fail+0x22d/0xd01
[  429.673172]  ? print_usage_bug+0xc0/0xc0
[  429.677247]  ? mark_held_locks+0x130/0x130
[  429.681488]  ? mark_held_locks+0x130/0x130
[  429.685744]  ? graph_lock+0x170/0x170
[  429.689551]  ? print_usage_bug+0xc0/0xc0
[  429.693620]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  429.698386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.703933]  ? check_preemption_disabled+0x48/0x200
[  429.708953]  ? check_preemption_disabled+0x48/0x200
[  429.713984]  ? __lock_is_held+0xb5/0x140
[  429.718054]  __alloc_pages_nodemask+0xa80/0xde0
[  429.722725]  ? graph_lock+0x170/0x170
[  429.726540]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  429.731557]  ? graph_lock+0x170/0x170
[  429.735371]  ? find_held_lock+0x36/0x1c0
[  429.739444]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.744204]  ? lock_downgrade+0x900/0x900
[  429.748362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.753910]  cache_grow_begin+0x91/0x8c0
[  429.757979]  ? do_raw_spin_unlock+0xa7/0x2f0
[  429.762400]  fallback_alloc+0x203/0x2e0
[  429.766385]  ____cache_alloc_node+0x1c7/0x1e0
[  429.770893]  kmem_cache_alloc_node+0xe3/0x730
[  429.775396]  ? ipv6_get_ifaddr+0x42e/0x620
[  429.779646]  __alloc_skb+0x119/0x770
[  429.783368]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  429.788664]  ? skb_scrub_packet+0x490/0x490
[  429.792991]  ? lock_downgrade+0x900/0x900
[  429.797154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.802698]  ? refcount_sub_and_test_checked+0x203/0x310
[  429.808176]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  429.813634]  ? addrconf_rs_timer+0x6f0/0x6f0
[  429.818061]  ndisc_alloc_skb+0x144/0x340
[  429.822131]  ndisc_send_rs+0x331/0x6e0
[  429.826029]  addrconf_rs_timer+0x3c0/0x6f0
[  429.830277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.834550]  call_timer_fn+0x272/0x920
[  429.838445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.842687]  ? process_timeout+0x40/0x40
[  429.846753]  ? find_held_lock+0x36/0x1c0
[  429.850832]  ? __run_timers+0x7da/0xc70
[  429.854814]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.859316]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.863811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.868048]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  429.872638]  ? trace_hardirqs_on+0xbd/0x310
[  429.876966]  ? kasan_check_read+0x11/0x20
[  429.881117]  ? __run_timers+0x7da/0xc70
[  429.885094]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  429.890556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.894800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.899039]  __run_timers+0x7e5/0xc70
[  429.902857]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  429.908240]  ? compat_start_thread+0x80/0x80
[  429.912657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.918203]  ? _raw_spin_unlock_irq+0x60/0x80
[  429.922703]  ? finish_task_switch+0x1f5/0x900
[  429.927199]  ? finish_task_switch+0x1b5/0x900
[  429.931696]  ? __switch_to_asm+0x34/0x70
[  429.935765]  ? preempt_notifier_register+0x200/0x200
[  429.940867]  ? __switch_to_asm+0x34/0x70
[  429.944929]  ? __switch_to_asm+0x40/0x70
[  429.949250]  ? __switch_to_asm+0x34/0x70
[  429.953312]  ? __switch_to_asm+0x40/0x70
[  429.957379]  ? __switch_to_asm+0x34/0x70
[  429.961438]  ? __switch_to_asm+0x40/0x70
[  429.965502]  ? __switch_to_asm+0x40/0x70
[  429.969582]  ? pvclock_read_flags+0x160/0x160
[  429.974084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.979626]  ? check_preemption_disabled+0x48/0x200
[  429.984657]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  429.989941]  ? rcu_pm_notify+0xc0/0xc0
[  429.993835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.999376]  ? check_preemption_disabled+0x48/0x200
[  430.004404]  run_timer_softirq+0x52/0xb0
[  430.008467]  ? rcu_read_lock_sched_held+0x108/0x120
[  430.013490]  __do_softirq+0x30b/0xad8
[  430.017322]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  430.022429]  ? trace_hardirqs_off_caller+0x300/0x300
[  430.027549]  ? schedule+0x108/0x460
[  430.031182]  ? __schedule+0x1ed0/0x1ed0
[  430.035168]  ? trace_hardirqs_off+0xb8/0x300
[  430.039582]  ? ___might_sleep+0x1ed/0x300
[  430.043733]  ? smpboot_thread_fn+0x68b/0xa00
[  430.048147]  ? trace_hardirqs_on+0x310/0x310
[  430.052563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.058105]  ? check_preemption_disabled+0x48/0x200
[  430.063125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.068670]  ? takeover_tasklets+0xa90/0xa90
[  430.073083]  run_ksoftirqd+0x94/0x100
[  430.076887]  smpboot_thread_fn+0x68b/0xa00
[  430.081146]  ? sort_range+0x30/0x30
[  430.084786]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.089893]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.095433]  ? __kthread_parkme+0xfb/0x1a0
[  430.099676]  kthread+0x35a/0x420
[  430.103045]  ? sort_range+0x30/0x30
[  430.106671]  ? kthread_bind+0x40/0x40
[  430.110476]  ret_from_fork+0x3a/0x50
[  430.114206] warn_alloc_show_mem: 1 callbacks suppressed
[  430.114219] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  430.114221] Mem-Info:
[  430.114254] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  430.114254]  active_file:28 inactive_file:21 isolated_file:0
[  430.114254]  unevictable:0 dirty:0 writeback:0 unstable:0
[  430.114254]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  430.114254]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  430.114254]  free:13666 free_pcp:197 free_cma:0
[  430.119586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.119594] Call Trace:
[  430.126881] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  430.129280]  <IRQ>
[  430.162347] Node 0 
[  430.171714]  dump_stack+0x1c4/0x2b4
[  430.174296] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  430.202115]  ? dump_stack_print_info.cold.2+0x52/0x52
[  430.204241] lowmem_reserve[]:
[  430.206482]  warn_alloc.cold.118+0xb7/0x1bd
[  430.210073]  0
[  430.235575]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.240740]  2817
[  430.243843]  ? lock_downgrade+0x900/0x900
[  430.248143]  6321
[  430.249947]  ? trace_hardirqs_off+0xb8/0x300
[  430.254758]  6321
[  430.256821]  ? trace_hardirqs_off+0xb8/0x300
[  430.260947] Node 0 
[  430.263015]  __alloc_pages_slowpath+0x2667/0x2d80
[  430.267423] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  430.269485]  ? warn_alloc+0x120/0x120
[  430.273840] lowmem_reserve[]:
[  430.276075]  ? trace_hardirqs_on+0x310/0x310
[  430.280891]  0
[  430.307829]  ? warn_alloc+0x120/0x120
[  430.311610]  0
[  430.314710]  ? print_usage_bug+0xc0/0xc0
[  430.319090]  3503
[  430.320888]  ? warn_alloc+0x120/0x120
[  430.324667]  3503
[  430.326467]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  430.330503] Node 0 
[  430.332574]  ? print_usage_bug+0xc0/0xc0
[  430.336387] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  430.338421]  ? __lock_acquire+0x7ec/0x4ec0
[  430.343406] lowmem_reserve[]: 0
[  430.345654]  ? __lock_acquire+0x7ec/0x4ec0
[  430.349692]  0
[  430.378226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.382431]  0 0
[  430.385715]  ? should_fail+0x22d/0xd01
[  430.389921] Node 0 
[  430.391717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.397225] DMA: 
[  430.399200]  ? __lock_acquire+0x7ec/0x4ec0
[  430.403061] 1*4kB 
[  430.405291]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.410374] (U) 
[  430.412432]  ? __lock_acquire+0x7ec/0x4ec0
[  430.416641] 0*8kB 0*16kB 
[  430.418801]  ? should_fail+0x22d/0xd01
[  430.423876] 1*32kB 
[  430.425846]  ? print_usage_bug+0xc0/0xc0
[  430.430056] (U) 
[  430.432819]  ? mark_held_locks+0x130/0x130
[  430.436676] 2*64kB 
[  430.438910]  ? mark_held_locks+0x130/0x130
[  430.442946] (U) 
[  430.444919]  ? graph_lock+0x170/0x170
[  430.449128] 1*128kB 
[  430.451359]  ? print_usage_bug+0xc0/0xc0
[  430.455570] (U) 
[  430.457550]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  430.461327] 1*256kB 
[  430.463649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.467684] (U) 
[  430.469656]  ? check_preemption_disabled+0x48/0x200
[  430.474384] 0*512kB 
[  430.476705]  ? check_preemption_disabled+0x48/0x200
[  430.482235] 1*1024kB 
[  430.484226]  ? __lock_is_held+0xb5/0x140
[  430.489209] (U) 
[  430.491538]  __alloc_pages_nodemask+0xa80/0xde0
[  430.496535] 1*2048kB 
[  430.498936]  ? graph_lock+0x170/0x170
[  430.502971] (M) 
[  430.504945]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  430.509592] 3*4096kB 
[  430.511997]  ? graph_lock+0x170/0x170
[  430.515772] (M) 
[  430.517754]  ? find_held_lock+0x36/0x1c0
[  430.522737] = 15908kB
[  430.525175]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.528963] Node 0 
[  430.530937]  ? lock_downgrade+0x900/0x900
[  430.534972] DMA32: 
[  430.537383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.542020] 2*4kB 
[  430.544254]  cache_grow_begin+0x91/0x8c0
[  430.548391] (M) 
[  430.550627]  ? do_raw_spin_unlock+0xa7/0x2f0
[  430.556138] 0*8kB 
[  430.558290]  fallback_alloc+0x203/0x2e0
[  430.562330] 3*16kB 
[  430.564307]  ____cache_alloc_node+0x1c7/0x1e0
[  430.568686] (M) 2*32kB 
[  430.570846]  kmem_cache_alloc_node+0xe3/0x730
[  430.574788] (UM) 2*64kB 
[  430.577036]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.581509] (M) 
[  430.584106]  __alloc_skb+0x119/0x770
[  430.588582] 4*128kB 
[  430.591250]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  430.595456] (UM) 
[  430.597429]  ? skb_scrub_packet+0x490/0x490
[  430.601109] 2*256kB (M) 
[  430.603436]  ? lock_downgrade+0x900/0x900
[  430.608685] 4*512kB 
[  430.610746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.615035] (UM) 
[  430.617703]  ? refcount_sub_and_test_checked+0x203/0x310
[  430.621824] 3*1024kB 
[  430.624143]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  430.629651] (M) 
[  430.631710]  ? addrconf_rs_timer+0x6f0/0x6f0
[  430.637135] 3*2048kB 
[  430.639562]  ndisc_alloc_skb+0x144/0x340
[  430.644974] (UM) 
[  430.646949]  ndisc_send_rs+0x331/0x6e0
[  430.651331] 3*4096kB 
[  430.653738]  addrconf_rs_timer+0x3c0/0x6f0
[  430.657780] (M) 
[  430.659845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.663705] = 24824kB
[  430.666124]  call_timer_fn+0x272/0x920
[  430.670323] Node 0 
[  430.672304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.676523] Normal: 
[  430.678928]  ? process_timeout+0x40/0x40
[  430.682812] 981*4kB 
[  430.685046]  ? find_held_lock+0x36/0x1c0
[  430.689259] (UMEH) 
[  430.691585]  ? __run_timers+0x7da/0xc70
[  430.695615] 521*8kB 
[  430.697938]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.701980] (MEH) 
[  430.704211]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.708164] 165*16kB 
[  430.710484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.714959] (UMEH) 
[  430.717105]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  430.721571] 24*32kB (MEH) 
[  430.723993]  ? trace_hardirqs_on+0xbd/0x310
[  430.728201] 4*64kB 
[  430.730449]  ? kasan_check_read+0x11/0x20
[  430.735002] (MH) 
[  430.737841]  ? __run_timers+0x7da/0xc70
[  430.742137] 3*128kB 
[  430.744366]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  430.748488] (UH) 
[  430.750551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.754497] 1*256kB (U) 
[  430.756830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.762256] 1*512kB 
[  430.764313]  __run_timers+0x7e5/0xc70
[  430.768530] (U) 
[  430.771214]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  430.775414] 1*1024kB 
[  430.777734]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.781505] (H) 
[  430.783486]  ? graph_lock+0x170/0x170
[  430.788829] 0*2048kB 
[  430.791233]  ? enqueue_hrtimer+0x1a5/0x560
[  430.796227] 0*4096kB 
[  430.798197]  ? lock_release+0x970/0x970
[  430.801971] = 13932kB
[  430.804375]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.808594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  430.810997]  ? find_held_lock+0x36/0x1c0
[  430.814953] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  430.817352]  ? graph_lock+0x170/0x170
[  430.822524] 4507 total pagecache pages
[  430.831351]  ? pvclock_read_flags+0x160/0x160
[  430.835395] 0 pages in swap cache
[  430.843967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.847748] Swap cache stats: add 0, delete 0, find 0/0
[  430.851631]  ? check_preemption_disabled+0x48/0x200
[  430.856102] Free swap  = 0kB
[  430.859561]  ? __lock_is_held+0xb5/0x140
[  430.865065] Total swap = 0kB
[  430.870432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.875420] 1965979 pages RAM
[  430.878436]  ? check_preemption_disabled+0x48/0x200
[  430.882464] 0 pages HighMem/MovableOnly
[  430.882473] 342744 pages reserved
[  430.885491]  run_timer_softirq+0x52/0xb0
[  430.890999] 0 pages cma reserved
[  430.894119]  ? rcu_read_lock_sched_held+0x108/0x120
[  430.899193] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  430.903081]  __do_softirq+0x30b/0xad8
[  430.906619] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.910592]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  430.913946] ksoftirqd/1 cpuset=
[  430.918959]  ? pvclock_read_flags+0x160/0x160
[  430.925520] /
[  430.929319]  ? lapic_next_event+0x5a/0x90
[  430.939612]  mems_allowed=0
[  430.944712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.966751]  ? check_preemption_disabled+0x48/0x200
[  430.971775]  ? check_preemption_disabled+0x48/0x200
[  430.976815]  ? kvm_clock_read+0x18/0x30
[  430.980797]  ? kvm_sched_clock_read+0x9/0x20
[  430.985212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.990756]  ? check_preemption_disabled+0x48/0x200
[  430.995801]  irq_exit+0x17f/0x1c0
[  430.999264]  smp_apic_timer_interrupt+0x1cb/0x760
[  431.004121]  ? smp_reschedule_interrupt+0x109/0x650
[  431.009145]  ? smp_call_function_single_interrupt+0x650/0x650
[  431.015035]  ? interrupt_entry+0xb5/0xf0
[  431.019106]  ? trace_hardirqs_off_caller+0xbb/0x300
[  431.024125]  ? trace_hardirqs_off_caller+0xbb/0x300
[  431.029142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.033997]  ? trace_hardirqs_off+0x300/0x300
[  431.038492]  ? trace_hardirqs_off+0x300/0x300
[  431.042997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.048547]  ? check_preemption_disabled+0x48/0x200
[  431.053564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.059131]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.063991]  apic_timer_interrupt+0xf/0x20
[  431.068227]  </IRQ>
[  431.070474] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  431.075409] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  431.094309] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  431.102019] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  431.109288] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  431.116554] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  431.123840] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  431.131110] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  431.138434]  skb_clone+0x1bb/0x500
[  431.141981]  ? skb_split+0x11e0/0x11e0
[  431.145878]  ? preempt_notifier_register+0x200/0x200
[  431.151003]  ? __switch_to_asm+0x34/0x70
[  431.155067]  ? __switch_to_asm+0x34/0x70
[  431.159134]  ? __switch_to_asm+0x40/0x70
[  431.163195]  ? __switch_to_asm+0x34/0x70
[  431.167258]  ? __switch_to_asm+0x40/0x70
[  431.171320]  ? __switch_to_asm+0x40/0x70
[  431.175381]  ? __switch_to_asm+0x34/0x70
[  431.179443]  ? __switch_to_asm+0x34/0x70
[  431.183530]  ? __switch_to_asm+0x40/0x70
[  431.187593]  ? __switch_to_asm+0x34/0x70
[  431.191667]  bpf_clone_redirect+0xb9/0x490
[  431.195914]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  431.200956]  ? __sched_text_start+0x8/0x8
[  431.205112]  ? lockdep_hardirqs_on+0x421/0x5c0
[  431.209695]  ? retint_kernel+0x2d/0x2d
[  431.213586]  ? trace_hardirqs_on_caller+0xc0/0x300
[  431.218534]  ? find_held_lock+0x36/0x1c0
[  431.222606]  ? lock_acquire+0x1ed/0x520
[  431.226581]  ? bpf_test_run+0x32e/0x5a0
[  431.230579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.236121]  ? check_preemption_disabled+0x48/0x200
[  431.241151]  ? kasan_check_read+0x11/0x20
[  431.245310]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  431.250595]  ? rcu_bh_qs+0xc0/0xc0
[  431.254141]  ? preempt_schedule+0x4d/0x60
[  431.258296]  ? ___preempt_schedule+0x16/0x18
[  431.262719]  ? bpf_test_run+0x1c0/0x5a0
[  431.266711]  ? netlink_diag_dump+0x2a0/0x2a0
[  431.271126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.276668]  ? bpf_test_init.isra.9+0x70/0x100
[  431.281258]  ? bpf_prog_test_run_skb+0x634/0xb40
[  431.286031]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  431.290878]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  431.296900]  ? fput+0x130/0x1a0
[  431.300183]  ? __bpf_prog_get+0x9b/0x290
[  431.304257]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  431.309101]  ? bpf_prog_test_run+0x130/0x1a0
[  431.313525]  ? __x64_sys_bpf+0x3d8/0x510
[  431.317600]  ? bpf_prog_get+0x20/0x20
[  431.321410]  ? ksys_ioctl+0x81/0xd0
[  431.325050]  ? do_syscall_64+0x1b9/0x820
[  431.329114]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  431.334503]  ? syscall_return_slowpath+0x5e0/0x5e0
[  431.339444]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.344290]  ? trace_hardirqs_off+0x300/0x300
[  431.348794]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  431.353821]  ? prepare_exit_to_usermode+0x291/0x3b0
[  431.358846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.363711]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  431.369094] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  431.369133] rcu: INFO: rcu_preempt self-detected stall on CPU
[  431.375941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.375950] Call Trace:
[  431.391177]  dump_stack+0x1c4/0x2b4
[  431.394023] rcu: 	0-...!: (462 ticks this GP) idle=48e/1/0x4000000000000004 softirq=24644/24649 fqs=5 
[  431.397353]  ? dump_stack_print_info.cold.2+0x52/0x52
[  431.397381]  warn_alloc.cold.118+0xb7/0x1bd
[  431.397396]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.397414]  ? lock_downgrade+0x900/0x900
[  431.397435]  ? trace_hardirqs_off+0xb8/0x300
[  431.397457]  ? trace_hardirqs_off+0xb8/0x300
[  431.397480]  __alloc_pages_slowpath+0x2667/0x2d80
[  431.397531]  ? warn_alloc+0x120/0x120
[  431.397552]  ? warn_alloc+0x120/0x120
[  431.397567]  ? print_usage_bug+0xc0/0xc0
[  431.397580]  ? warn_alloc+0x120/0x120
[  431.407365] rcu: 	
[  431.412555]  ? print_usage_bug+0xc0/0xc0
[  431.416855]  (t=10512 jiffies g=32529 q=6)
[  431.421691]  ? __lock_acquire+0x7ec/0x4ec0
[  431.425825] rcu: rcu_preempt kthread starved for 10241 jiffies! g32529 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  431.430751]  ? __lock_acquire+0x7ec/0x4ec0
[  431.435144] rcu: RCU grace-period kthread stack dump:
[  431.439985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.443763] rcu_preempt     R
[  431.447557]  ? should_fail+0x22d/0xd01
[  431.451594]   running task    
[  431.455389]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.457533] 22872    10      2 0x80000000
[  431.461586]  ? __lock_acquire+0x7ec/0x4ec0
[  431.465801] Call Trace:
[  431.470031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.480505]  __schedule+0x86c/0x1ed0
[  431.484720]  ? __lock_acquire+0x7ec/0x4ec0
[  431.484736]  ? should_fail+0x22d/0xd01
[  431.489919]  ? __sched_text_start+0x8/0x8
[  431.495438]  ? print_usage_bug+0xc0/0xc0
[  431.498551]  ? __mod_timer+0x6f6/0x1870
[  431.502426]  ? mark_held_locks+0x130/0x130
[  431.505606]  ? add_timer_on+0x9f0/0x9f0
[  431.510690]  ? mark_held_locks+0x130/0x130
[  431.514827]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.519051]  ? graph_lock+0x170/0x170
[  431.521616]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.526706]  ? print_usage_bug+0xc0/0xc0
[  431.530407]  ? trace_hardirqs_on+0xbd/0x310
[  431.534630]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  431.538501]  ? kasan_check_read+0x11/0x20
[  431.542640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.546708]  ? prepare_to_swait_event+0x25a/0x800
[  431.550668]  ? check_preemption_disabled+0x48/0x200
[  431.554887]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  431.558846]  ? check_preemption_disabled+0x48/0x200
[  431.558871]  ? __lock_is_held+0xb5/0x140
[  431.563093]  schedule+0xfe/0x460
[  431.568178]  __alloc_pages_nodemask+0xa80/0xde0
[  431.571962]  ? __schedule+0x1ed0/0x1ed0
[  431.577047]  ? graph_lock+0x170/0x170
[  431.581097]  ? prepare_to_swait_event+0x25a/0x800
[  431.585407]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  431.590152]  ? __init_swait_queue_head+0x150/0x150
[  431.594382]  ? graph_lock+0x170/0x170
[  431.594408]  ? find_held_lock+0x36/0x1c0
[  431.599928]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.604761]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.609758]  ? __lockdep_init_map+0x105/0x590
[  431.615192]  ? lock_downgrade+0x900/0x900
[  431.620194]  ? lockdep_init_map+0x9/0x10
[  431.624244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.627595]  schedule_timeout+0x140/0x260
[  431.632257]  cache_grow_begin+0x91/0x8c0
[  431.636214]  ? usleep_range+0x1a0/0x1a0
[  431.640000]  ? do_raw_spin_unlock+0xa7/0x2f0
[  431.644829]  ? __next_timer_interrupt+0x1a0/0x1a0
[  431.649832]  fallback_alloc+0x203/0x2e0
[  431.654762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.658554]  ____cache_alloc_node+0x1c7/0x1e0
[  431.662608]  rcu_gp_kthread+0x9d9/0x2310
[  431.667689]  kmem_cache_alloc_node+0xe3/0x730
[  431.672362]  ? rcu_gp_init+0x1830/0x1830
[  431.676826]  ? ipv6_get_ifaddr+0x42e/0x620
[  431.680958]  ? update_curr+0x344/0xbe0
[  431.685009]  __alloc_skb+0x119/0x770
[  431.690547]  ? graph_lock+0x170/0x170
[  431.694680]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  431.698741]  ? __account_cfs_rq_runtime+0x790/0x790
[  431.702702]  ? skb_scrub_packet+0x490/0x490
[  431.707099]  ? __lock_acquire+0x7ec/0x4ec0
[  431.711943]  ? lock_downgrade+0x900/0x900
[  431.715930]  ? graph_lock+0x170/0x170
[  431.721454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.725934]  ? mark_held_locks+0x130/0x130
[  431.729994]  ? refcount_sub_and_test_checked+0x203/0x310
[  431.734479]  ? __lock_is_held+0xb5/0x140
[  431.738532]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  431.742751]  ? __account_cfs_rq_runtime+0x790/0x790
[  431.746627]  ? addrconf_rs_timer+0x6f0/0x6f0
[  431.750335]  ? set_next_entity+0x30c/0xc40
[  431.754120]  ndisc_alloc_skb+0x144/0x340
[  431.759405]  ? mark_held_locks+0x130/0x130
[  431.764411]  ndisc_send_rs+0x331/0x6e0
[  431.768714]  ? rcu_read_lock_sched_held+0x108/0x120
[  431.772951]  addrconf_rs_timer+0x3c0/0x6f0
[  431.777082]  ? select_task_rq_fair+0x34f0/0x34f0
[  431.780871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.786391]  ? __enqueue_entity+0x10d/0x1f0
[  431.790621]  call_timer_fn+0x272/0x920
[  431.796049]  ? graph_lock+0x170/0x170
[  431.800111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.805549]  ? lock_repin_lock+0x250/0x430
[  431.810552]  ? process_timeout+0x40/0x40
[  431.814945]  ? graph_lock+0x170/0x170
[  431.819164]  ? find_held_lock+0x36/0x1c0
[  431.823215]  ? put_prev_task_stop+0x300/0xa10
[  431.827439]  ? __run_timers+0x7da/0xc70
[  431.831312]  ? lock_repin_lock+0x250/0x430
[  431.836317]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.840540]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.845291]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.849505]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.853821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.857692]  ? lockdep_hardirqs_on+0x421/0x5c0
[  431.861478]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  431.865707]  ? trace_hardirqs_on+0xbd/0x310
[  431.869927]  ? trace_hardirqs_on+0xbd/0x310
[  431.873977]  ? kasan_check_read+0x11/0x20
[  431.877753]  ? kasan_check_read+0x11/0x20
[  431.877771]  ? __run_timers+0x7da/0xc70
[  431.881827]  ? mark_held_locks+0x130/0x130
[  431.886311]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  431.890270]  ? audit_add_watch+0xae1/0xdc0
[  431.894493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.898979]  ? kasan_check_write+0x14/0x20
[  431.903459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.907939]  ? finish_task_switch+0x2f5/0x900
[  431.912418]  __run_timers+0x7e5/0xc70
[  431.916636]  ? __switch_to_asm+0x40/0x70
[  431.921209]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  431.925768]  ? preempt_notifier_register+0x200/0x200
[  431.930075]  ? compat_start_thread+0x80/0x80
[  431.934382]  ? __switch_to_asm+0x34/0x70
[  431.938526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.942673]  ? __switch_to_asm+0x34/0x70
[  431.946631]  ? _raw_spin_unlock_irq+0x60/0x80
[  431.950848]  ? __switch_to_asm+0x40/0x70
[  431.956290]  ? finish_task_switch+0x1f5/0x900
[  431.960501]  ? __switch_to_asm+0x40/0x70
[  431.964734]  ? finish_task_switch+0x1b5/0x900
[  431.968969]  ? __switch_to_asm+0x34/0x70
[  431.973189]  ? __switch_to_asm+0x34/0x70
[  431.977669]  ? __switch_to_asm+0x40/0x70
[  431.981459]  ? preempt_notifier_register+0x200/0x200
[  431.985507]  ? __switch_to_asm+0x34/0x70
[  431.990862]  ? __switch_to_asm+0x34/0x70
[  431.995955]  ? __switch_to_asm+0x34/0x70
[  432.000350]  ? __switch_to_asm+0x40/0x70
[  432.000365]  ? __switch_to_asm+0x34/0x70
[  432.004416]  ? __switch_to_asm+0x40/0x70
[  432.009938]  ? __switch_to_asm+0x40/0x70
[  432.009954]  ? __switch_to_asm+0x34/0x70
[  432.014002]  ? __switch_to_asm+0x40/0x70
[  432.018476]  ? __switch_to_asm+0x40/0x70
[  432.018490]  ? __switch_to_asm+0x40/0x70
[  432.022550]  ? __switch_to_asm+0x34/0x70
[  432.027035]  ? pvclock_read_flags+0x160/0x160
[  432.031079]  ? __switch_to_asm+0x40/0x70
[  432.035563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.039606]  ? __schedule+0x874/0x1ed0
[  432.043651]  ? check_preemption_disabled+0x48/0x200
[  432.047693]  ? __switch_to_asm+0x40/0x70
[  432.052795]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  432.056841]  ? __switch_to_asm+0x40/0x70
[  432.060893]  ? rcu_pm_notify+0xc0/0xc0
[  432.064942]  ? graph_lock+0x170/0x170
[  432.068984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.073030]  ? __sched_text_start+0x8/0x8
[  432.077075]  ? check_preemption_disabled+0x48/0x200
[  432.081561]  ? find_held_lock+0x36/0x1c0
[  432.085607]  run_timer_softirq+0x52/0xb0
[  432.089654]  ? __kthread_parkme+0xce/0x1a0
[  432.093702]  ? rcu_read_lock_sched_held+0x108/0x120
[  432.097746]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  432.101790]  __do_softirq+0x30b/0xad8
[  432.106272]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  432.110334]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  432.115851]  ? lockdep_hardirqs_on+0x421/0x5c0
[  432.119717]  ? trace_hardirqs_off_caller+0x300/0x300
[  432.119740]  ? schedule+0x108/0x460
[  432.124734]  ? trace_hardirqs_on+0xbd/0x310
[  432.128784]  ? __schedule+0x1ed0/0x1ed0
[  432.134054]  ? kasan_check_read+0x11/0x20
[  432.138094]  ? trace_hardirqs_off+0xb8/0x300
[  432.141967]  ? __kthread_parkme+0xce/0x1a0
[  432.145750]  ? ___might_sleep+0x1ed/0x300
[  432.151275]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.155412]  ? smpboot_thread_fn+0x68b/0xa00
[  432.155428]  ? trace_hardirqs_on+0x310/0x310
[  432.160440]  ? kasan_check_write+0x14/0x20
[  432.164488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.168544]  ? do_raw_spin_lock+0xc1/0x200
[  432.172768]  ? check_preemption_disabled+0x48/0x200
[  432.177768]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.182871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.186659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.191750]  ? takeover_tasklets+0xa90/0xa90
[  432.196835]  ? __kthread_parkme+0xfb/0x1a0
[  432.201401]  run_ksoftirqd+0x94/0x100
[  432.206507]  kthread+0x35a/0x420
[  432.210122]  smpboot_thread_fn+0x68b/0xa00
[  432.214428]  ? rcu_gp_init+0x1830/0x1830
[  432.218383]  ? sort_range+0x30/0x30
[  432.222525]  ? kthread_bind+0x40/0x40
[  432.226942]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.231160]  ret_from_fork+0x3a/0x50
[  432.235302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.240747] NMI backtrace for cpu 0
[  432.245129]  ? __kthread_parkme+0xfb/0x1a0
[  432.338152]  kthread+0x35a/0x420
[  432.341533]  ? sort_range+0x30/0x30
[  432.345160]  ? kthread_bind+0x40/0x40
[  432.348975]  ret_from_fork+0x3a/0x50
[  432.352704] warn_alloc_show_mem: 1 callbacks suppressed
[  432.352717] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  432.352718] Mem-Info:
[  432.352751] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  432.352751]  active_file:28 inactive_file:21 isolated_file:0
[  432.352751]  unevictable:0 dirty:0 writeback:0 unstable:0
[  432.352751]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  432.352751]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  432.352751]  free:13666 free_pcp:197 free_cma:0
[  432.358089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.365364] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  432.367784] Call Trace:
[  432.400827] Node 0 
[  432.410174]  <IRQ>
[  432.438497] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  432.441060]  dump_stack+0x1c4/0x2b4
[  432.443265] lowmem_reserve[]:
[  432.445412]  ? dump_stack_print_info.cold.2+0x52/0x52
[  432.470884]  0 2817
[  432.474526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.477620]  6321
[  432.482813]  ? trace_hardirqs_off+0xb8/0x300
[  432.485025]  6321
[  432.490562]  nmi_cpu_backtrace.cold.3+0x63/0xa2
[  432.497010]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  432.499039] Node 0 
[  432.503699]  nmi_trigger_cpumask_backtrace+0x1b3/0x1ed
[  432.508890] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  432.511102]  arch_trigger_cpumask_backtrace+0x14/0x20
[  432.516350] lowmem_reserve[]:
[  432.543092]  rcu_dump_cpu_stacks+0x175/0x1c2
[  432.548249]  0
[  432.551354]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  432.555731]  0 3503
[  432.557555]  print_cpu_stall.cold.78+0x2d3/0x524
[  432.562542]  3503
[  432.564794]  ? rcu_dynticks_snap+0x30/0x30
[  432.569526] Node 0 
[  432.571590]  ? check_preemption_disabled+0x48/0x200
[  432.575829] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  432.578039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.583029] lowmem_reserve[]:
[  432.611585]  ? check_preemption_disabled+0x48/0x200
[  432.617088]  0 0
[  432.620208]  ? check_preemption_disabled+0x48/0x200
[  432.625188]  0 0
[  432.627174]  ? rcu_test_sync_prims+0x30/0x30
[  432.632161] Node 0 
[  432.634139]  ? __lock_is_held+0xb5/0x140
[  432.638511] DMA: 1*4kB 
[  432.640760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.644798] (U) 
[  432.647379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.652886] 0*8kB 0*16kB 
[  432.654870]  ? check_preemption_disabled+0x48/0x200
[  432.660393] 1*32kB 
[  432.663151]  rcu_check_callbacks+0xfd9/0x1990
[  432.668152] (U) 
[  432.670392]  ? rcu_cpu_stall_reset+0x220/0x220
[  432.674851] 2*64kB (U) 
[  432.676841]  ? lock_release+0x970/0x970
[  432.681397] 1*128kB 
[  432.683987]  ? graph_lock+0x170/0x170
[  432.687947] (U) 
[  432.690265]  ? graph_lock+0x170/0x170
[  432.694035] 1*256kB (U) 
[  432.696017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.699789] 0*512kB 1*1024kB 
[  432.702464]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  432.707967] (U) 1*2048kB 
[  432.711101]  ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0
[  432.715658] (M) 
[  432.718424]  ? graph_lock+0x170/0x170
[  432.724611] 3*4096kB (M) 
[  432.726590]  ? timekeeping_advance+0x3cc/0xc00
[  432.730362] = 15908kB
[  432.730370] Node 0 
[  432.733122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.737673] DMA32: 2*4kB 
[  432.740088]  ? check_preemption_disabled+0x48/0x200
[  432.742298] (M) 0*8kB 
[  432.747855]  ? check_preemption_disabled+0x48/0x200
[  432.750591] 3*16kB 
[  432.755602]  ? trace_hardirqs_off+0xb8/0x300
[  432.758069] (M) 
[  432.763082]  ? __lock_is_held+0xb5/0x140
[  432.765294] 2*32kB (UM) 
[  432.769707]  ? trace_hardirqs_on+0x310/0x310
[  432.771657] 2*64kB (M) 
[  432.775740]  ? check_preemption_disabled+0x48/0x200
[  432.778389] 4*128kB 
[  432.782803]  ? raise_softirq+0x199/0x420
[  432.785351] (UM) 
[  432.790361]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  432.792657] 2*256kB (M) 
[  432.796719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.798757] 4*512kB 
[  432.803420]  ? check_preemption_disabled+0x48/0x200
[  432.806060] (UM) 3*1024kB 
[  432.811601]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  432.813897] (M) 
[  432.818908]  ? hrtimer_run_queues+0x9a/0x400
[  432.821730] 3*2048kB 
[  432.827259]  ? run_local_timers+0x19b/0x230
[  432.829212] (UM) 
[  432.833616]  ? timer_clear_idle+0x90/0x90
[  432.836004] 3*4096kB 
[  432.840317]  ? debug_smp_processor_id+0x1c/0x20
[  432.842359] (M) 
[  432.846503]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  432.848891] = 24824kB
[  432.848899] Node 0 
[  432.853563]  ? account_process_tick+0x282/0x350
[  432.855510] Normal: 981*4kB 
[  432.861494]  update_process_times+0x2d/0x70
[  432.863877] (UMEH) 
[  432.866110]  tick_sched_handle+0x9f/0x180
[  432.870769] 521*8kB (MEH) 
[  432.873810]  tick_sched_timer+0x45/0x130
[  432.878096] 165*16kB (UMEH) 
[  432.880354]  __hrtimer_run_queues+0x41c/0x10d0
[  432.884492] 24*32kB (MEH) 
[  432.887358]  ? tick_sched_do_timer+0x1a0/0x1a0
[  432.891397] 4*64kB 
[  432.894409]  ? hrtimer_start_range_ns+0xe00/0xe00
[  432.898960] (MH) 3*128kB 
[  432.901814]  ? pvclock_read_flags+0x160/0x160
[  432.906366] (UH) 1*256kB 
[  432.908610]  ? trace_hardirqs_on+0x310/0x310
[  432.913424] (U) 1*512kB 
[  432.916195]  ? kvm_clock_read+0x18/0x30
[  432.920658] (U) 
[  432.923415]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  432.927792] 1*1024kB (H) 
[  432.930498]  ? ktime_get_update_offsets_now+0x3b6/0x550
[  432.934485] 0*2048kB 0*4096kB 
[  432.936487]  ? do_timer+0x50/0x50
[  432.941476] = 13932kB
[  432.944227]  ? trace_hardirqs_on+0x310/0x310
[  432.949573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  432.952757]  ? do_raw_spin_lock+0xc1/0x200
[  432.956205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  432.958611]  hrtimer_interrupt+0x313/0x780
[  432.962998] 4507 total pagecache pages
[  432.971843]  smp_apic_timer_interrupt+0x1a1/0x760
[  432.976043] 0 pages in swap cache
[  432.984608]  ? smp_call_function_single_interrupt+0x650/0x650
[  432.988824] Swap cache stats: add 0, delete 0, find 0/0
[  432.992701]  ? interrupt_entry+0xb5/0xf0
[  432.997526] Free swap  = 0kB
[  433.000974]  ? trace_hardirqs_off_caller+0xbb/0x300
[  433.006831] Total swap = 0kB
[  433.012187]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.016225] 1965979 pages RAM
[  433.019237]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.024221] 0 pages HighMem/MovableOnly
[  433.024230] 342744 pages reserved
[  433.027244]  ? trace_hardirqs_off+0x300/0x300
[  433.031882] 0 pages cma reserved
[  433.031974] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  433.034996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.039920] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.043814]  apic_timer_interrupt+0xf/0x20
[  433.047232] ksoftirqd/1 cpuset=
[  433.051726] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  433.055064] /
[  433.061551] Code: 40 7e 0f 85 32 ff ff ff e8 a5 c3 3e ff e9 28 ff ff ff e8 bc 20 c3 ff 48 83 3d 5c 6f 90 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 9a 42
[  433.066373]  mems_allowed=0
[  433.076671] RSP: 0000:ffff8801dae07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  433.120770] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10039821db9
[  433.128050] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
[  433.135320] RBP: ffff8801dae074c0 R08: ffff8801cc10edc8 R09: 0000000000000002
[  433.142591] R10: 0000000000000000 R11: ffff8801cc10e500 R12: ffff8801d946ae00
[  433.149874] R13: ffff8801d946ae00 R14: 0000000000000000 R15: 0000000000000282
[  433.157168]  ? apic_timer_interrupt+0xa/0x20
[  433.161607]  ? ipv6_get_ifaddr+0x42e/0x620
[  433.165858]  __alloc_skb+0x119/0x770
[  433.169580]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  433.174879]  ? skb_scrub_packet+0x490/0x490
[  433.179208]  ? lock_downgrade+0x900/0x900
[  433.183367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.188907]  ? refcount_sub_and_test_checked+0x203/0x310
[  433.194366]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  433.199823]  ? addrconf_rs_timer+0x6f0/0x6f0
[  433.204247]  ndisc_alloc_skb+0x144/0x340
[  433.208315]  ndisc_send_rs+0x331/0x6e0
[  433.212232]  addrconf_rs_timer+0x3c0/0x6f0
[  433.216478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.220738]  call_timer_fn+0x272/0x920
[  433.224629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.228868]  ? process_timeout+0x40/0x40
[  433.232929]  ? find_held_lock+0x36/0x1c0
[  433.237001]  ? __run_timers+0x7da/0xc70
[  433.240980]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.245479]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.249988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.254231]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  433.258825]  ? trace_hardirqs_on+0xbd/0x310
[  433.263154]  ? kasan_check_read+0x11/0x20
[  433.267310]  ? __run_timers+0x7da/0xc70
[  433.271289]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  433.276754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.281014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.285257]  __run_timers+0x7e5/0xc70
[  433.289076]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  433.294444]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.299947]  ? graph_lock+0x170/0x170
[  433.303755]  ? enqueue_hrtimer+0x1a5/0x560
[  433.307997]  ? lock_release+0x970/0x970
[  433.311978]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.317179]  ? find_held_lock+0x36/0x1c0
[  433.321251]  ? graph_lock+0x170/0x170
[  433.325057]  ? pvclock_read_flags+0x160/0x160
[  433.329560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.335101]  ? check_preemption_disabled+0x48/0x200
[  433.340135]  ? __lock_is_held+0xb5/0x140
[  433.344202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.349741]  ? check_preemption_disabled+0x48/0x200
[  433.354771]  run_timer_softirq+0x52/0xb0
[  433.358841]  ? rcu_read_lock_sched_held+0x108/0x120
[  433.363864]  __do_softirq+0x30b/0xad8
[  433.367676]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  433.372813]  ? pvclock_read_flags+0x160/0x160
[  433.377314]  ? lapic_next_event+0x5a/0x90
[  433.381464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.387005]  ? check_preemption_disabled+0x48/0x200
[  433.392029]  ? check_preemption_disabled+0x48/0x200
[  433.397070]  ? kvm_clock_read+0x18/0x30
[  433.401046]  ? kvm_sched_clock_read+0x9/0x20
[  433.405462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.411006]  ? check_preemption_disabled+0x48/0x200
[  433.416036]  irq_exit+0x17f/0x1c0
[  433.419500]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.424353]  ? smp_reschedule_interrupt+0x109/0x650
[  433.429638]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.435538]  ? interrupt_entry+0xb5/0xf0
[  433.439603]  ? trace_hardirqs_off_caller+0xbb/0x300
[  433.444625]  ? trace_hardirqs_off_caller+0xbb/0x300
[  433.449648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.454498]  ? trace_hardirqs_off+0x300/0x300
[  433.458999]  ? trace_hardirqs_off+0x300/0x300
[  433.463499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.469047]  ? check_preemption_disabled+0x48/0x200
[  433.474074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.479622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.484475]  apic_timer_interrupt+0xf/0x20
[  433.488705]  </IRQ>
[  433.490948] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  433.495881] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  433.514806] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  433.522524] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  433.529802] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  433.537072] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  433.544339] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  433.551611] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  433.558930]  skb_clone+0x1bb/0x500
[  433.562475]  ? skb_split+0x11e0/0x11e0
[  433.566372]  ? preempt_notifier_register+0x200/0x200
[  433.571497]  ? __switch_to_asm+0x34/0x70
[  433.575571]  ? __switch_to_asm+0x34/0x70
[  433.579635]  ? __switch_to_asm+0x40/0x70
[  433.583693]  ? __switch_to_asm+0x34/0x70
[  433.587752]  ? __switch_to_asm+0x40/0x70
[  433.591817]  ? __switch_to_asm+0x40/0x70
[  433.595876]  ? __switch_to_asm+0x34/0x70
[  433.599953]  ? __switch_to_asm+0x34/0x70
[  433.604014]  ? __switch_to_asm+0x40/0x70
[  433.608076]  ? __switch_to_asm+0x34/0x70
[  433.612151]  bpf_clone_redirect+0xb9/0x490
[  433.616400]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  433.621420]  ? __sched_text_start+0x8/0x8
[  433.625576]  ? lockdep_hardirqs_on+0x421/0x5c0
[  433.630159]  ? retint_kernel+0x2d/0x2d
[  433.634051]  ? trace_hardirqs_on_caller+0xc0/0x300
[  433.638987]  ? find_held_lock+0x36/0x1c0
[  433.643061]  ? lock_acquire+0x1ed/0x520
[  433.647035]  ? bpf_test_run+0x32e/0x5a0
[  433.651011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.656554]  ? check_preemption_disabled+0x48/0x200
[  433.661582]  ? kasan_check_read+0x11/0x20
[  433.665753]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  433.671036]  ? rcu_bh_qs+0xc0/0xc0
[  433.674580]  ? preempt_schedule+0x4d/0x60
[  433.678732]  ? ___preempt_schedule+0x16/0x18
[  433.683155]  ? bpf_test_run+0x1c0/0x5a0
[  433.687158]  ? netlink_diag_dump+0x2a0/0x2a0
[  433.691573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.697114]  ? bpf_test_init.isra.9+0x70/0x100
[  433.701707]  ? bpf_prog_test_run_skb+0x634/0xb40
[  433.706474]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  433.711321]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  433.716859]  ? fput+0x130/0x1a0
[  433.720147]  ? __bpf_prog_get+0x9b/0x290
[  433.724211]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  433.729051]  ? bpf_prog_test_run+0x130/0x1a0
[  433.733465]  ? __x64_sys_bpf+0x3d8/0x510
[  433.737534]  ? bpf_prog_get+0x20/0x20
[  433.741345]  ? ksys_ioctl+0x81/0xd0
[  433.744983]  ? do_syscall_64+0x1b9/0x820
[  433.749045]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  433.754415]  ? syscall_return_slowpath+0x5e0/0x5e0
[  433.759350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.764195]  ? trace_hardirqs_off+0x300/0x300
[  433.768697]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  433.773717]  ? prepare_exit_to_usermode+0x291/0x3b0
[  433.778744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.783596]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  433.788982] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  433.789385] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  433.795826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.795832] Call Trace:
[  433.795849]  dump_stack+0x1c4/0x2b4
[  433.795870]  ? dump_stack_print_info.cold.2+0x52/0x52
[  433.802412] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.811704]  warn_alloc.cold.118+0xb7/0x1bd
[  433.814261] syz-executor0 cpuset=
[  433.817884]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.823048] syz0
[  433.833532]  ? lock_downgrade+0x900/0x900
[  433.837836]  mems_allowed=0
[  433.841293]  ? trace_hardirqs_off+0xb8/0x300
[  433.859528]  ? trace_hardirqs_off+0xb8/0x300
[  433.863952]  __alloc_pages_slowpath+0x2667/0x2d80
[  433.868827]  ? warn_alloc+0x120/0x120
[  433.872636]  ? warn_alloc+0x120/0x120
[  433.876445]  ? print_usage_bug+0xc0/0xc0
[  433.880507]  ? warn_alloc+0x120/0x120
[  433.884327]  ? print_usage_bug+0xc0/0xc0
[  433.888392]  ? __lock_acquire+0x7ec/0x4ec0
[  433.892626]  ? __lock_acquire+0x7ec/0x4ec0
[  433.896866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.902405]  ? should_fail+0x22d/0xd01
[  433.906300]  ? __lock_acquire+0x7ec/0x4ec0
[  433.910548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.915659]  ? __lock_acquire+0x7ec/0x4ec0
[  433.919921]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.925024]  ? __lock_acquire+0x7ec/0x4ec0
[  433.929259]  ? should_fail+0x22d/0xd01
[  433.933162]  ? mark_held_locks+0x130/0x130
[  433.937404]  ? mark_held_locks+0x130/0x130
[  433.941652]  ? graph_lock+0x170/0x170
[  433.945455]  ? print_usage_bug+0xc0/0xc0
[  433.949532]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  433.954300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.959842]  ? check_preemption_disabled+0x48/0x200
[  433.964862]  ? check_preemption_disabled+0x48/0x200
[  433.969897]  ? __lock_is_held+0xb5/0x140
[  433.973968]  __alloc_pages_nodemask+0xa80/0xde0
[  433.978642]  ? graph_lock+0x170/0x170
[  433.982450]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  433.987463]  ? graph_lock+0x170/0x170
[  433.991277]  ? find_held_lock+0x36/0x1c0
[  433.995357]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.000028]  ? lock_downgrade+0x900/0x900
[  434.004184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.009750]  cache_grow_begin+0x91/0x8c0
[  434.013815]  ? do_raw_spin_unlock+0xa7/0x2f0
[  434.018250]  fallback_alloc+0x203/0x2e0
[  434.022233]  ____cache_alloc_node+0x1c7/0x1e0
[  434.026740]  kmem_cache_alloc_node+0xe3/0x730
[  434.031257]  ? ipv6_get_ifaddr+0x42e/0x620
[  434.035513]  __alloc_skb+0x119/0x770
[  434.039238]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  434.044530]  ? skb_scrub_packet+0x490/0x490
[  434.048852]  ? lock_downgrade+0x900/0x900
[  434.053008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.058556]  ? refcount_sub_and_test_checked+0x203/0x310
[  434.064012]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  434.069468]  ? addrconf_rs_timer+0x6f0/0x6f0
[  434.073916]  ndisc_alloc_skb+0x144/0x340
[  434.077984]  ndisc_send_rs+0x331/0x6e0
[  434.081897]  addrconf_rs_timer+0x3c0/0x6f0
[  434.086142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.090391]  call_timer_fn+0x272/0x920
[  434.094280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.098533]  ? process_timeout+0x40/0x40
[  434.102598]  ? find_held_lock+0x36/0x1c0
[  434.106674]  ? __run_timers+0x7da/0xc70
[  434.110657]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.115152]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.119649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.123886]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  434.128470]  ? trace_hardirqs_on+0xbd/0x310
[  434.132793]  ? kasan_check_read+0x11/0x20
[  434.136946]  ? __run_timers+0x7da/0xc70
[  434.140921]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  434.146388]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.150625]  __run_timers+0x7e5/0xc70
[  434.154442]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  434.159805]  ? compat_start_thread+0x80/0x80
[  434.164222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.169768]  ? _raw_spin_unlock_irq+0x60/0x80
[  434.174270]  ? finish_task_switch+0x1f5/0x900
[  434.178780]  ? finish_task_switch+0x1b5/0x900
[  434.183276]  ? __switch_to_asm+0x34/0x70
[  434.187348]  ? preempt_notifier_register+0x200/0x200
[  434.192455]  ? __switch_to_asm+0x34/0x70
[  434.196523]  ? __switch_to_asm+0x40/0x70
[  434.200585]  ? __switch_to_asm+0x34/0x70
[  434.204648]  ? __switch_to_asm+0x40/0x70
[  434.208706]  ? __switch_to_asm+0x34/0x70
[  434.212769]  ? __switch_to_asm+0x40/0x70
[  434.216835]  ? __switch_to_asm+0x40/0x70
[  434.220905]  ? pvclock_read_flags+0x160/0x160
[  434.225403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.230946]  ? check_preemption_disabled+0x48/0x200
[  434.235973]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  434.241253]  ? rcu_pm_notify+0xc0/0xc0
[  434.245146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.250695]  ? check_preemption_disabled+0x48/0x200
[  434.255725]  run_timer_softirq+0x52/0xb0
[  434.259786]  ? rcu_read_lock_sched_held+0x108/0x120
[  434.264804]  __do_softirq+0x30b/0xad8
[  434.268624]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  434.273727]  ? trace_hardirqs_off_caller+0x300/0x300
[  434.278841]  ? schedule+0x108/0x460
[  434.282473]  ? __schedule+0x1ed0/0x1ed0
[  434.286457]  ? trace_hardirqs_off+0xb8/0x300
[  434.290866]  ? ___might_sleep+0x1ed/0x300
[  434.295014]  ? smpboot_thread_fn+0x68b/0xa00
[  434.299440]  ? trace_hardirqs_on+0x310/0x310
[  434.303867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.309423]  ? check_preemption_disabled+0x48/0x200
[  434.314449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.320001]  ? takeover_tasklets+0xa90/0xa90
[  434.324425]  run_ksoftirqd+0x94/0x100
[  434.328237]  smpboot_thread_fn+0x68b/0xa00
[  434.332485]  ? sort_range+0x30/0x30
[  434.336128]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  434.341244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.346794]  ? __kthread_parkme+0xfb/0x1a0
[  434.351065]  kthread+0x35a/0x420
[  434.354439]  ? sort_range+0x30/0x30
[  434.358072]  ? kthread_bind+0x40/0x40
[  434.361884]  ret_from_fork+0x3a/0x50
[  434.365626] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  434.365628] Mem-Info:
[  434.365661] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  434.365661]  active_file:28 inactive_file:21 isolated_file:0
[  434.365661]  unevictable:0 dirty:0 writeback:0 unstable:0
[  434.365661]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  434.365661]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  434.365661]  free:13666 free_pcp:197 free_cma:0
[  434.372910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  434.372919] Call Trace:
[  434.375370] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  434.408418]  <IRQ>
[  434.417773] Node 0 
[  434.420414]  dump_stack+0x1c4/0x2b4
[  434.448263] 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
[  434.450397]  ? dump_stack_print_info.cold.2+0x52/0x52
[  434.452595] lowmem_reserve[]: 0
[  434.456236]  warn_alloc.cold.118+0xb7/0x1bd
[  434.481740]  2817
[  434.486944]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.490184]  6321 6321
[  434.494525]  ? lock_downgrade+0x900/0x900
[  434.496565] Node 0 
[  434.501412]  ? trace_hardirqs_off+0xb8/0x300
[  434.503906] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  434.508026]  ? trace_hardirqs_off+0xb8/0x300
[  434.510240] lowmem_reserve[]:
[  434.514650]  __alloc_pages_slowpath+0x2667/0x2d80
[  434.541356]  0
[  434.545818]  ? warn_alloc+0x120/0x120
[  434.548860]  0
[  434.553701]  ? warn_alloc+0x120/0x120
[  434.555473]  3503 3503
[  434.559276]  ? print_usage_bug+0xc0/0xc0
[  434.564857]  ? warn_alloc+0x120/0x120
[  434.567331] Node 0 
[  434.571388]  ? print_usage_bug+0xc0/0xc0
[  434.575188] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  434.577392]  ? __lock_acquire+0x7ec/0x4ec0
[  434.581433] lowmem_reserve[]:
[  434.609990]  ? __lock_acquire+0x7ec/0x4ec0
[  434.614201]  0
[  434.617312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.621525]  0
[  434.623327]  ? should_fail+0x22d/0xd01
[  434.628842]  0
[  434.630656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.634525]  0
[  434.636330]  ? __lock_acquire+0x7ec/0x4ec0
[  434.641407] Node 0 
[  434.643211]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.647416] DMA: 
[  434.649672]  ? __lock_acquire+0x7ec/0x4ec0
[  434.654750] 1*4kB 
[  434.656817]  ? should_fail+0x22d/0xd01
[  434.661017] (U) 0*8kB 
[  434.663189]  ? mark_held_locks+0x130/0x130
[  434.667050] 0*16kB 
[  434.669558]  ? mark_held_locks+0x130/0x130
[  434.673766] 1*32kB 
[  434.675996]  ? graph_lock+0x170/0x170
[  434.680205] (U) 
[  434.682437]  ? graph_lock+0x170/0x170
[  434.686214] 2*64kB 
[  434.688182]  ? graph_lock+0x170/0x170
[  434.691974] (U) 
[  434.694206]  ? print_usage_bug+0xc0/0xc0
[  434.697984] 1*128kB 
[  434.699957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.703992] (U) 
[  434.706314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.711828] 1*256kB 
[  434.713806]  ? check_preemption_disabled+0x48/0x200
[  434.719311] (U) 
[  434.721641]  ? check_preemption_disabled+0x48/0x200
[  434.726625] 0*512kB 1*1024kB 
[  434.728634]  ? __lock_is_held+0xb5/0x140
[  434.733635] (U) 
[  434.736744]  __alloc_pages_nodemask+0xa80/0xde0
[  434.740775] 1*2048kB (M) 
[  434.742760]  ? graph_lock+0x170/0x170
[  434.747399] 3*4096kB (M) 
[  434.750161]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  434.753930] = 15908kB
[  434.753938] Node 0 
[  434.756692]  ? graph_lock+0x170/0x170
[  434.761684] DMA32: 
[  434.764100]  ? find_held_lock+0x36/0x1c0
[  434.766309] 2*4kB 
[  434.770143]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.772351] (M) 
[  434.776406]  ? lock_downgrade+0x900/0x900
[  434.778539] 0*8kB 
[  434.783204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.785152] 3*16kB 
[  434.789294]  cache_grow_begin+0x91/0x8c0
[  434.791423] (M) 
[  434.796963]  ? do_raw_spin_unlock+0xa7/0x2f0
[  434.799172] 2*32kB 
[  434.803229]  fallback_alloc+0x203/0x2e0
[  434.805174] (UM) 
[  434.809579]  ____cache_alloc_node+0x1c7/0x1e0
[  434.811787] 2*64kB (M) 4*128kB 
[  434.815795]  kmem_cache_alloc_node+0xe3/0x730
[  434.817830] (UM) 
[  434.822321]  ? ipv6_get_ifaddr+0x42e/0x620
[  434.825576] 2*256kB 
[  434.830072]  __alloc_skb+0x119/0x770
[  434.832103] (M) 
[  434.836338]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  434.838637] 4*512kB 
[  434.842342]  ? skb_scrub_packet+0x490/0x490
[  434.844294] (UM) 
[  434.849562]  ? lock_downgrade+0x900/0x900
[  434.851859] 3*1024kB (M) 
[  434.856188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.858216] 3*2048kB (UM) 
[  434.862365]  ? refcount_sub_and_test_checked+0x203/0x310
[  434.865096] 3*4096kB 
[  434.870626]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  434.873449] (M) 
[  434.878893]  ? addrconf_rs_timer+0x6f0/0x6f0
[  434.881315] = 24824kB
[  434.886771]  ndisc_alloc_skb+0x144/0x340
[  434.888717] Node 0 
[  434.893120]  ndisc_send_rs+0x331/0x6e0
[  434.895500] Normal: 981*4kB 
[  434.899574]  addrconf_rs_timer+0x3c0/0x6f0
[  434.901787] (UMEH) 
[  434.905675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.908666] 521*8kB 
[  434.912905]  call_timer_fn+0x272/0x920
[  434.915106] (MEH) 
[  434.919337]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.921633] 165*16kB (UMEH) 
[  434.925534]  ? process_timeout+0x40/0x40
[  434.927656] 24*32kB 
[  434.931899]  ? find_held_lock+0x36/0x1c0
[  434.934896] (MEH) 
[  434.938960]  ? __run_timers+0x7da/0xc70
[  434.941252] 4*64kB 
[  434.945310]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.947449] (MH) 
[  434.951419]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.953632] 3*128kB 
[  434.958128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.960162] (UH) 
[  434.964653]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  434.966955] 1*256kB 
[  434.971182]  ? trace_hardirqs_on+0xbd/0x310
[  434.973216] (U) 
[  434.977800]  ? kasan_check_read+0x11/0x20
[  434.980092] 1*512kB 
[  434.984405]  ? __run_timers+0x7da/0xc70
[  434.986355] (U) 
[  434.990497]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  434.992792] 1*1024kB (H) 
[  434.996771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.998724] 0*2048kB 
[  435.004167]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.006903] 0*4096kB 
[  435.011136]  __run_timers+0x7e5/0xc70
[  435.013532] = 13932kB
[  435.017779]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  435.020162] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  435.023952]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  435.026343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  435.031694]  ? graph_lock+0x170/0x170
[  435.040504] 4507 total pagecache pages
[  435.045528]  ? enqueue_hrtimer+0x1a5/0x560
[  435.054096] 0 pages in swap cache
[  435.057884]  ? lock_release+0x970/0x970
[  435.061753] Swap cache stats: add 0, delete 0, find 0/0
[  435.065977]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  435.069400] Free swap  = 0kB
[  435.069409] Total swap = 0kB
[  435.073381]  ? find_held_lock+0x36/0x1c0
[  435.078717] 1965979 pages RAM
[  435.083900]  ? graph_lock+0x170/0x170
[  435.086887] 0 pages HighMem/MovableOnly
[  435.086896] 342744 pages reserved
[  435.089907]  ? pvclock_read_flags+0x160/0x160
[  435.093941] 0 pages cma reserved
[  435.097041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.100894] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  435.104782]  ? check_preemption_disabled+0x48/0x200
[  435.108313] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  435.112713]  ? __lock_is_held+0xb5/0x140
[  435.116048] ksoftirqd/1 cpuset=
[  435.121584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.128049] /
[  435.133063]  ? check_preemption_disabled+0x48/0x200
[  435.143349]  mems_allowed=0
[  435.147406]  run_timer_softirq+0x52/0xb0
[  435.169865]  ? rcu_read_lock_sched_held+0x108/0x120
[  435.174890]  __do_softirq+0x30b/0xad8
[  435.178705]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  435.183817]  ? pvclock_read_flags+0x160/0x160
[  435.188317]  ? lapic_next_event+0x5a/0x90
[  435.192467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.198010]  ? check_preemption_disabled+0x48/0x200
[  435.203030]  ? check_preemption_disabled+0x48/0x200
[  435.208073]  ? kvm_clock_read+0x18/0x30
[  435.212056]  ? kvm_sched_clock_read+0x9/0x20
[  435.216469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.222008]  ? check_preemption_disabled+0x48/0x200
[  435.227037]  irq_exit+0x17f/0x1c0
[  435.230494]  smp_apic_timer_interrupt+0x1cb/0x760
[  435.235345]  ? smp_reschedule_interrupt+0x109/0x650
[  435.240368]  ? smp_call_function_single_interrupt+0x650/0x650
[  435.246255]  ? interrupt_entry+0xb5/0xf0
[  435.250319]  ? trace_hardirqs_off_caller+0xbb/0x300
[  435.255334]  ? trace_hardirqs_off_caller+0xbb/0x300
[  435.260352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.265200]  ? trace_hardirqs_off+0x300/0x300
[  435.269696]  ? trace_hardirqs_off+0x300/0x300
[  435.274196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.279739]  ? check_preemption_disabled+0x48/0x200
[  435.284754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.290304]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.295159]  apic_timer_interrupt+0xf/0x20
[  435.299853]  </IRQ>
[  435.302095] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  435.307025] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  435.325924] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  435.333638] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  435.340905] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  435.348174] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  435.355439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  435.362708] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  435.370018]  skb_clone+0x1bb/0x500
[  435.373560]  ? skb_split+0x11e0/0x11e0
[  435.377456]  ? preempt_notifier_register+0x200/0x200
[  435.382564]  ? __switch_to_asm+0x34/0x70
[  435.386626]  ? __switch_to_asm+0x34/0x70
[  435.390685]  ? __switch_to_asm+0x40/0x70
[  435.394743]  ? __switch_to_asm+0x34/0x70
[  435.398807]  ? __switch_to_asm+0x40/0x70
[  435.402870]  ? __switch_to_asm+0x40/0x70
[  435.406930]  ? __switch_to_asm+0x34/0x70
[  435.410991]  ? __switch_to_asm+0x34/0x70
[  435.415051]  ? __switch_to_asm+0x40/0x70
[  435.419113]  ? __switch_to_asm+0x34/0x70
[  435.423189]  bpf_clone_redirect+0xb9/0x490
[  435.427786]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  435.432822]  ? __sched_text_start+0x8/0x8
[  435.436978]  ? lockdep_hardirqs_on+0x421/0x5c0
[  435.441563]  ? retint_kernel+0x2d/0x2d
[  435.445453]  ? trace_hardirqs_on_caller+0xc0/0x300
[  435.450390]  ? find_held_lock+0x36/0x1c0
[  435.454460]  ? lock_acquire+0x1ed/0x520
[  435.458440]  ? bpf_test_run+0x32e/0x5a0
[  435.462416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.467961]  ? check_preemption_disabled+0x48/0x200
[  435.472985]  ? kasan_check_read+0x11/0x20
[  435.477136]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  435.482415]  ? rcu_bh_qs+0xc0/0xc0
[  435.485957]  ? preempt_schedule+0x4d/0x60
[  435.490110]  ? ___preempt_schedule+0x16/0x18
[  435.494537]  ? bpf_test_run+0x1c0/0x5a0
[  435.498533]  ? netlink_diag_dump+0x2a0/0x2a0
[  435.502951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.508488]  ? bpf_test_init.isra.9+0x70/0x100
[  435.513088]  ? bpf_prog_test_run_skb+0x634/0xb40
[  435.517855]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  435.522700]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  435.528237]  ? fput+0x130/0x1a0
[  435.531545]  ? __bpf_prog_get+0x9b/0x290
[  435.535623]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  435.540471]  ? bpf_prog_test_run+0x130/0x1a0
[  435.544892]  ? __x64_sys_bpf+0x3d8/0x510
[  435.548976]  ? bpf_prog_get+0x20/0x20
[  435.552796]  ? ksys_ioctl+0x81/0xd0
[  435.556441]  ? do_syscall_64+0x1b9/0x820
[  435.560510]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  435.565888]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.570826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.575672]  ? trace_hardirqs_off+0x300/0x300
[  435.580173]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  435.585192]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.590219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.595074]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  435.600463] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  435.600556] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  435.607327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.607332] Call Trace:
[  435.607351]  dump_stack+0x1c4/0x2b4
[  435.607368]  ? dump_stack_print_info.cold.2+0x52/0x52
[  435.607394]  warn_alloc.cold.118+0xb7/0x1bd
[  435.614408] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  435.623204]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.623223]  ? lock_downgrade+0x900/0x900
[  435.626076] syz-executor0 cpuset=
[  435.629702]  ? trace_hardirqs_off+0xb8/0x300
[  435.629724]  ? trace_hardirqs_off+0xb8/0x300
[  435.635214] syz0
[  435.639461]  __alloc_pages_slowpath+0x2667/0x2d80
[  435.639509]  ? warn_alloc+0x120/0x120
[  435.639540]  ? warn_alloc+0x120/0x120
[  435.639557]  ? print_usage_bug+0xc0/0xc0
[  435.639572]  ? warn_alloc+0x120/0x120
[  435.650308]  mems_allowed=0
[  435.655147]  ? print_usage_bug+0xc0/0xc0
[  435.700673]  ? __lock_acquire+0x7ec/0x4ec0
[  435.704908]  ? __lock_acquire+0x7ec/0x4ec0
[  435.709148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.714692]  ? should_fail+0x22d/0xd01
[  435.718590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.723782]  ? __lock_acquire+0x7ec/0x4ec0
[  435.728044]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.733149]  ? __lock_acquire+0x7ec/0x4ec0
[  435.737822]  ? should_fail+0x22d/0xd01
[  435.741711]  ? print_usage_bug+0xc0/0xc0
[  435.745781]  ? mark_held_locks+0x130/0x130
[  435.750024]  ? mark_held_locks+0x130/0x130
[  435.754272]  ? graph_lock+0x170/0x170
[  435.758076]  ? print_usage_bug+0xc0/0xc0
[  435.762140]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  435.766898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.772440]  ? check_preemption_disabled+0x48/0x200
[  435.777457]  ? check_preemption_disabled+0x48/0x200
[  435.782484]  ? __lock_is_held+0xb5/0x140
[  435.786563]  __alloc_pages_nodemask+0xa80/0xde0
[  435.791269]  ? graph_lock+0x170/0x170
[  435.795080]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  435.800097]  ? graph_lock+0x170/0x170
[  435.803914]  ? find_held_lock+0x36/0x1c0
[  435.807987]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.812659]  ? lock_downgrade+0x900/0x900
[  435.816817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.822365]  cache_grow_begin+0x91/0x8c0
[  435.826430]  ? do_raw_spin_unlock+0xa7/0x2f0
[  435.830849]  fallback_alloc+0x203/0x2e0
[  435.834831]  ____cache_alloc_node+0x1c7/0x1e0
[  435.839336]  kmem_cache_alloc_node+0xe3/0x730
[  435.843839]  ? ipv6_get_ifaddr+0x42e/0x620
[  435.848085]  __alloc_skb+0x119/0x770
[  435.851806]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  435.857093]  ? skb_scrub_packet+0x490/0x490
[  435.861419]  ? lock_downgrade+0x900/0x900
[  435.865580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.871123]  ? refcount_sub_and_test_checked+0x203/0x310
[  435.876580]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  435.882035]  ? addrconf_rs_timer+0x6f0/0x6f0
[  435.886458]  ndisc_alloc_skb+0x144/0x340
[  435.890533]  ndisc_send_rs+0x331/0x6e0
[  435.894432]  addrconf_rs_timer+0x3c0/0x6f0
[  435.898679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.902932]  call_timer_fn+0x272/0x920
[  435.906823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.911063]  ? process_timeout+0x40/0x40
[  435.915123]  ? find_held_lock+0x36/0x1c0
[  435.919192]  ? __run_timers+0x7da/0xc70
[  435.923175]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.927669]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.932162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.936397]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  435.940983]  ? trace_hardirqs_on+0xbd/0x310
[  435.945311]  ? kasan_check_read+0x11/0x20
[  435.949464]  ? __run_timers+0x7da/0xc70
[  435.953447]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  435.958908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.963170]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.967414]  __run_timers+0x7e5/0xc70
[  435.971236]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  435.976600]  ? compat_start_thread+0x80/0x80
[  435.981014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.986563]  ? _raw_spin_unlock_irq+0x60/0x80
[  435.991064]  ? finish_task_switch+0x1f5/0x900
[  435.995564]  ? finish_task_switch+0x1b5/0x900
[  436.000062]  ? __switch_to_asm+0x34/0x70
[  436.004130]  ? preempt_notifier_register+0x200/0x200
[  436.009238]  ? __switch_to_asm+0x34/0x70
[  436.013303]  ? __switch_to_asm+0x40/0x70
[  436.017364]  ? __switch_to_asm+0x34/0x70
[  436.021425]  ? __switch_to_asm+0x40/0x70
[  436.025483]  ? __switch_to_asm+0x34/0x70
[  436.029555]  ? __switch_to_asm+0x40/0x70
[  436.033617]  ? __switch_to_asm+0x40/0x70
[  436.037689]  ? pvclock_read_flags+0x160/0x160
[  436.042188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.047732]  ? check_preemption_disabled+0x48/0x200
[  436.052770]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  436.058054]  ? rcu_pm_notify+0xc0/0xc0
[  436.061950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.067496]  ? check_preemption_disabled+0x48/0x200
[  436.072537]  run_timer_softirq+0x52/0xb0
[  436.076601]  ? rcu_read_lock_sched_held+0x108/0x120
[  436.081623]  __do_softirq+0x30b/0xad8
[  436.085441]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  436.090550]  ? trace_hardirqs_off_caller+0x300/0x300
[  436.095669]  ? schedule+0x108/0x460
[  436.099304]  ? __schedule+0x1ed0/0x1ed0
[  436.103294]  ? trace_hardirqs_off+0xb8/0x300
[  436.107715]  ? ___might_sleep+0x1ed/0x300
[  436.111862]  ? smpboot_thread_fn+0x68b/0xa00
[  436.116280]  ? trace_hardirqs_on+0x310/0x310
[  436.120700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.126242]  ? check_preemption_disabled+0x48/0x200
[  436.131260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.136804]  ? takeover_tasklets+0xa90/0xa90
[  436.141217]  run_ksoftirqd+0x94/0x100
[  436.145024]  smpboot_thread_fn+0x68b/0xa00
[  436.149265]  ? sort_range+0x30/0x30
[  436.152902]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.158006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.163556]  ? __kthread_parkme+0xfb/0x1a0
[  436.167800]  kthread+0x35a/0x420
[  436.171171]  ? sort_range+0x30/0x30
[  436.174796]  ? kthread_bind+0x40/0x40
[  436.178605]  ret_from_fork+0x3a/0x50
[  436.182347] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  436.182353] warn_alloc_show_mem: 1 callbacks suppressed
[  436.182360] Mem-Info:
[  436.189631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  436.194998] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  436.194998]  active_file:28 inactive_file:21 isolated_file:0
[  436.194998]  unevictable:0 dirty:0 writeback:0 unstable:0
[  436.194998]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  436.194998]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  436.194998]  free:13666 free_pcp:197 free_cma:0
[  436.197369] Call Trace:
[  436.206756] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  436.239772]  <IRQ>
[  436.242343] Node 0 
[  436.270184]  dump_stack+0x1c4/0x2b4
[  436.272339] 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
[  436.274552]  ? dump_stack_print_info.cold.2+0x52/0x52
[  436.278155] lowmem_reserve[]:
[  436.303659]  warn_alloc.cold.118+0xb7/0x1bd
[  436.308815]  0
[  436.311917]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  436.316212]  2817
[  436.318012]  ? lock_downgrade+0x900/0x900
[  436.322826]  6321
[  436.324890]  ? trace_hardirqs_off+0xb8/0x300
[  436.329305]  6321
[  436.331370]  ? trace_hardirqs_off+0xb8/0x300
[  436.337815]  __alloc_pages_slowpath+0x2667/0x2d80
[  436.342187] Node 0 DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  436.347078]  ? warn_alloc+0x120/0x120
[  436.347093]  ? __bfs+0xb0/0x7a0
[  436.374396] lowmem_reserve[]:
[  436.378192]  ? warn_alloc+0x120/0x120
[  436.381450]  0
[  436.384557]  ? print_usage_bug+0xc0/0xc0
[  436.388333]  0
[  436.390129]  ? lock_pin_lock+0x350/0x350
[  436.394169]  3503
[  436.395976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.399999]  3503
[  436.402080]  ? should_fail+0x22d/0xd01
[  436.407590] Node 0 
[  436.409649]  ? trace_hardirqs_off+0xb8/0x300
[  436.413547] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  436.415776]  ? kasan_check_read+0x11/0x20
[  436.420189] lowmem_reserve[]:
[  436.448775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.452898]  0
[  436.455998]  ? __lock_acquire+0x7ec/0x4ec0
[  436.461075]  0
[  436.462873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.467074]  0 0
[  436.468879]  ? should_fail+0x22d/0xd01
[  436.475933]  ? mark_held_locks+0x130/0x130
[  436.479797] Node 0 DMA: 
[  436.484029]  ? mark_held_locks+0x130/0x130
[  436.484045]  ? print_usage_bug+0xc0/0xc0
[  436.486698] 1*4kB 
[  436.490931]  ? graph_lock+0x170/0x170
[  436.494965] (U) 
[  436.497120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.500896] 0*8kB 
[  436.502868]  ? check_preemption_disabled+0x48/0x200
[  436.508378] 0*16kB 
[  436.510529]  ? check_preemption_disabled+0x48/0x200
[  436.515530] 1*32kB 
[  436.517770]  ? __lock_is_held+0xb5/0x140
[  436.522756] (U) 
[  436.524995]  __alloc_pages_nodemask+0xa80/0xde0
[  436.529028] 2*64kB 
[  436.530998]  ? graph_lock+0x170/0x170
[  436.535644] (U) 
[  436.537875]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  436.541646] 1*128kB (U) 
[  436.543626]  ? graph_lock+0x170/0x170
[  436.548620] 1*256kB 
[  436.551291]  ? find_held_lock+0x36/0x1c0
[  436.555072] (U) 
[  436.557402]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.561430] 0*512kB 
[  436.563402]  ? lock_downgrade+0x900/0x900
[  436.568039] 1*1024kB (U) 
[  436.570372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.574494] 1*2048kB 
[  436.577256]  cache_grow_begin+0x91/0x8c0
[  436.582763] (M) 
[  436.585175]  ? do_raw_spin_unlock+0xa7/0x2f0
[  436.589209] 3*4096kB 
[  436.591185]  fallback_alloc+0x203/0x2e0
[  436.595561] (M) 
[  436.597974]  ____cache_alloc_node+0x1c7/0x1e0
[  436.601924] = 15908kB
[  436.603899]  kmem_cache_alloc_node+0xe3/0x730
[  436.608367] Node 0 
[  436.610772]  ? mark_held_locks+0xc7/0x130
[  436.615246] DMA32: 
[  436.617484]  __alloc_skb+0x119/0x770
[  436.621602] 2*4kB 
[  436.623844]  ? skb_scrub_packet+0x490/0x490
[  436.627540] (M) 
[  436.629686]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  436.633980] 0*8kB 
[  436.635950]  ? queue_work_on+0x12c/0x1e0
[  436.640507] 3*16kB 
[  436.642713]  ? switchdev_port_obj_del+0xdc/0x450
[  436.646692] (M) 
[  436.648926]  ? switchdev_trans_item_enqueue+0x260/0x260
[  436.653660] 2*32kB 
[  436.655627]  ? mod_timer+0x647/0x1440
[  436.660969] (UM) 
[  436.663203]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  436.666975] 2*64kB 
[  436.669062]  __br_mdb_notify+0x4ff/0x15d0
[  436.674021] (M) 
[  436.676263]  ? __br_mdb_add+0x800/0x800
[  436.680389] 4*128kB 
[  436.682364]  ? graph_lock+0x170/0x170
[  436.686312] (UM) 
[  436.688636]  ? br_multicast_group_expired+0x96/0x610
[  436.692407] 2*256kB 
[  436.694466]  br_mdb_notify+0x310/0x410
[  436.699549] (M) 
[  436.701867]  ? br_mdb_dump+0x2530/0x2530
[  436.705730] 4*512kB (UM) 
[  436.707715]  ? kasan_check_write+0x14/0x20
[  436.711747] 3*1024kB 
[  436.714498]  ? do_raw_spin_lock+0xc1/0x200
[  436.718704] (M) 
[  436.721114]  br_multicast_group_expired+0x1bc/0x610
[  436.725319] 3*2048kB (UM) 
[  436.727305]  ? br_mdb_free+0x80/0x80
[  436.732311] 3*4096kB 
[  436.735160]  call_timer_fn+0x272/0x920
[  436.738839] (M) 
[  436.741242]  ? br_mdb_free+0x80/0x80
[  436.745105] = 24824kB
[  436.747074]  ? process_timeout+0x40/0x40
[  436.750764] Node 0 
[  436.753166]  ? find_held_lock+0x36/0x1c0
[  436.757205] Normal: 
[  436.759441]  ? __run_timers+0x7da/0xc70
[  436.763474] 981*4kB 
[  436.765809]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.769756] (UMEH) 
[  436.772082]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.776565] 521*8kB 
[  436.778800]  ? br_mdb_free+0x80/0x80
[  436.783266] (MEH) 
[  436.785583]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  436.789270] 165*16kB 
[  436.791417]  ? trace_hardirqs_on+0xbd/0x310
[  436.795973] (UMEH) 
[  436.798384]  ? kasan_check_read+0x11/0x20
[  436.802681] 24*32kB 
[  436.804910]  ? __run_timers+0x7da/0xc70
[  436.809030] (MEH) 
[  436.811351]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  436.815301] 4*64kB (MH) 
[  436.817458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.822880] 3*128kB 
[  436.825553]  ? br_mdb_free+0x80/0x80
[  436.829760] (UH) 
[  436.832077]  __run_timers+0x7e5/0xc70
[  436.835765] 1*256kB 
[  436.837837]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  436.841608] (U) 
[  436.843926]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.849260] 1*512kB (U) 
[  436.851242]  ? graph_lock+0x170/0x170
[  436.856228] 1*1024kB (H) 
[  436.858911]  ? enqueue_hrtimer+0x1a5/0x560
[  436.862690] 0*2048kB 
[  436.865440]  ? lock_release+0x970/0x970
[  436.869654] 0*4096kB 
[  436.872057]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.876006] = 13932kB
[  436.878415]  ? find_held_lock+0x36/0x1c0
[  436.883582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  436.885988]  ? graph_lock+0x170/0x170
[  436.890030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  436.898852]  ? pvclock_read_flags+0x160/0x160
[  436.902628] 4507 total pagecache pages
[  436.911197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.915672] 0 pages in swap cache
[  436.919560]  ? check_preemption_disabled+0x48/0x200
[  436.925072] Swap cache stats: add 0, delete 0, find 0/0
[  436.928529]  ? __lock_is_held+0xb5/0x140
[  436.933526] Free swap  = 0kB
[  436.938881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.942936] Total swap = 0kB
[  436.945954]  ? check_preemption_disabled+0x48/0x200
[  436.951464] 1965979 pages RAM
[  436.954479]  run_timer_softirq+0x52/0xb0
[  436.959465] 0 pages HighMem/MovableOnly
[  436.962564]  ? rcu_read_lock_sched_held+0x108/0x120
[  436.966600] 342744 pages reserved
[  436.970571]  __do_softirq+0x30b/0xad8
[  436.975576] 0 pages cma reserved
[  436.979029]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  436.982883] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  436.986163]  ? pvclock_read_flags+0x160/0x160
[  436.986178]  ? lapic_next_event+0x5a/0x90
[  436.986195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.991347] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.997765]  ? check_preemption_disabled+0x48/0x200
[  437.002236] ksoftirqd/1 cpuset=
[  437.006474]  ? check_preemption_disabled+0x48/0x200
[  437.012008] /
[  437.022316]  ? kvm_clock_read+0x18/0x30
[  437.027310]  mems_allowed=0
[  437.030583]  ? kvm_sched_clock_read+0x9/0x20
[  437.048557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.054097]  ? check_preemption_disabled+0x48/0x200
[  437.059132]  irq_exit+0x17f/0x1c0
[  437.062591]  smp_apic_timer_interrupt+0x1cb/0x760
[  437.067437]  ? smp_reschedule_interrupt+0x109/0x650
[  437.072458]  ? smp_call_function_single_interrupt+0x650/0x650
[  437.078346]  ? interrupt_entry+0xb5/0xf0
[  437.082409]  ? trace_hardirqs_off_caller+0xbb/0x300
[  437.087428]  ? trace_hardirqs_off_caller+0xbb/0x300
[  437.092453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.097297]  ? trace_hardirqs_off+0x300/0x300
[  437.101805]  ? trace_hardirqs_off+0x300/0x300
[  437.106305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.111853]  ? check_preemption_disabled+0x48/0x200
[  437.116874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.122424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.127280]  apic_timer_interrupt+0xf/0x20
[  437.131529]  </IRQ>
[  437.133781] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  437.138717] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  437.157620] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  437.165330] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  437.172601] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  437.179868] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  437.187134] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  437.194405] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  437.201721]  skb_clone+0x1bb/0x500
[  437.205270]  ? skb_split+0x11e0/0x11e0
[  437.209165]  ? preempt_notifier_register+0x200/0x200
[  437.214292]  ? __switch_to_asm+0x34/0x70
[  437.218354]  ? __switch_to_asm+0x34/0x70
[  437.222417]  ? __switch_to_asm+0x40/0x70
[  437.226480]  ? __switch_to_asm+0x34/0x70
[  437.230546]  ? __switch_to_asm+0x40/0x70
[  437.234612]  ? __switch_to_asm+0x40/0x70
[  437.238674]  ? __switch_to_asm+0x34/0x70
[  437.242753]  ? __switch_to_asm+0x34/0x70
[  437.246816]  ? __switch_to_asm+0x40/0x70
[  437.250881]  ? __switch_to_asm+0x34/0x70
[  437.254955]  bpf_clone_redirect+0xb9/0x490
[  437.259210]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  437.264244]  ? __sched_text_start+0x8/0x8
[  437.268400]  ? lockdep_hardirqs_on+0x421/0x5c0
[  437.272983]  ? retint_kernel+0x2d/0x2d
[  437.276888]  ? trace_hardirqs_on_caller+0xc0/0x300
[  437.281826]  ? find_held_lock+0x36/0x1c0
[  437.285898]  ? lock_acquire+0x1ed/0x520
[  437.289876]  ? bpf_test_run+0x32e/0x5a0
[  437.293854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.299860]  ? check_preemption_disabled+0x48/0x200
[  437.304889]  ? kasan_check_read+0x11/0x20
[  437.309043]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  437.314324]  ? rcu_bh_qs+0xc0/0xc0
[  437.317871]  ? preempt_schedule+0x4d/0x60
[  437.322021]  ? ___preempt_schedule+0x16/0x18
[  437.326438]  ? bpf_test_run+0x1c0/0x5a0
[  437.330514]  ? netlink_diag_dump+0x2a0/0x2a0
[  437.334937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.340474]  ? bpf_test_init.isra.9+0x70/0x100
[  437.345061]  ? bpf_prog_test_run_skb+0x634/0xb40
[  437.349912]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  437.354754]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  437.360288]  ? fput+0x130/0x1a0
[  437.363576]  ? __bpf_prog_get+0x9b/0x290
[  437.367644]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  437.372486]  ? bpf_prog_test_run+0x130/0x1a0
[  437.376916]  ? __x64_sys_bpf+0x3d8/0x510
[  437.380980]  ? bpf_prog_get+0x20/0x20
[  437.384799]  ? ksys_ioctl+0x81/0xd0
[  437.388441]  ? do_syscall_64+0x1b9/0x820
[  437.392503]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  437.397881]  ? syscall_return_slowpath+0x5e0/0x5e0
[  437.402831]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.407677]  ? trace_hardirqs_off+0x300/0x300
[  437.412174]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  437.417193]  ? prepare_exit_to_usermode+0x291/0x3b0
[  437.422216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.427301]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  437.432687] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  437.433324] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  437.439541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.450013] syz-executor0 cpuset=
[  437.459351] Call Trace:
[  437.459361] syz0
[  437.462813]  dump_stack+0x1c4/0x2b4
[  437.465382]  mems_allowed=0
[  437.467348]  ? dump_stack_print_info.cold.2+0x52/0x52
[  437.479076]  warn_alloc.cold.118+0xb7/0x1bd
[  437.483406]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  437.488271]  ? lock_downgrade+0x900/0x900
[  437.492437]  ? trace_hardirqs_off+0xb8/0x300
[  437.496854]  ? trace_hardirqs_off+0xb8/0x300
[  437.501275]  __alloc_pages_slowpath+0x2667/0x2d80
[  437.506173]  ? warn_alloc+0x120/0x120
[  437.509984]  ? warn_alloc+0x120/0x120
[  437.513803]  ? print_usage_bug+0xc0/0xc0
[  437.517867]  ? warn_alloc+0x120/0x120
[  437.521672]  ? print_usage_bug+0xc0/0xc0
[  437.525737]  ? __lock_acquire+0x7ec/0x4ec0
[  437.529973]  ? __lock_acquire+0x7ec/0x4ec0
[  437.534211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.539755]  ? should_fail+0x22d/0xd01
[  437.543653]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.548759]  ? __lock_acquire+0x7ec/0x4ec0
[  437.553004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.558110]  ? __lock_acquire+0x7ec/0x4ec0
[  437.562348]  ? should_fail+0x22d/0xd01
[  437.566257]  ? mark_held_locks+0x130/0x130
[  437.570503]  ? mark_held_locks+0x130/0x130
[  437.574748]  ? graph_lock+0x170/0x170
[  437.578557]  ? graph_lock+0x170/0x170
[  437.582367]  ? graph_lock+0x170/0x170
[  437.586167]  ? print_usage_bug+0xc0/0xc0
[  437.590245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.595788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.601334]  ? check_preemption_disabled+0x48/0x200
[  437.606356]  ? check_preemption_disabled+0x48/0x200
[  437.611394]  ? __lock_is_held+0xb5/0x140
[  437.615468]  __alloc_pages_nodemask+0xa80/0xde0
[  437.620141]  ? graph_lock+0x170/0x170
[  437.623949]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  437.628964]  ? graph_lock+0x170/0x170
[  437.632777]  ? find_held_lock+0x36/0x1c0
[  437.636855]  ? ____cache_alloc_node+0x1c7/0x1e0
[  437.641534]  ? lock_downgrade+0x900/0x900
[  437.645696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.651242]  cache_grow_begin+0x91/0x8c0
[  437.655319]  ? do_raw_spin_unlock+0xa7/0x2f0
[  437.659737]  fallback_alloc+0x203/0x2e0
[  437.663719]  ____cache_alloc_node+0x1c7/0x1e0
[  437.668225]  kmem_cache_alloc_node+0xe3/0x730
[  437.672724]  ? ipv6_get_ifaddr+0x42e/0x620
[  437.676990]  __alloc_skb+0x119/0x770
[  437.680710]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  437.685991]  ? skb_scrub_packet+0x490/0x490
[  437.690317]  ? lock_downgrade+0x900/0x900
[  437.694571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.700114]  ? refcount_sub_and_test_checked+0x203/0x310
[  437.705571]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  437.711030]  ? addrconf_rs_timer+0x6f0/0x6f0
[  437.715458]  ndisc_alloc_skb+0x144/0x340
[  437.719538]  ndisc_send_rs+0x331/0x6e0
[  437.723435]  addrconf_rs_timer+0x3c0/0x6f0
[  437.727678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.731933]  call_timer_fn+0x272/0x920
[  437.735827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.740071]  ? process_timeout+0x40/0x40
[  437.744130]  ? find_held_lock+0x36/0x1c0
[  437.748202]  ? __run_timers+0x7da/0xc70
[  437.752184]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.756679]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.761193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.765438]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  437.770023]  ? trace_hardirqs_on+0xbd/0x310
[  437.774346]  ? kasan_check_read+0x11/0x20
[  437.778496]  ? __run_timers+0x7da/0xc70
[  437.782484]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  437.787952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.792194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.796432]  __run_timers+0x7e5/0xc70
[  437.800248]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  437.805615]  ? compat_start_thread+0x80/0x80
[  437.810031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.815610]  ? _raw_spin_unlock_irq+0x60/0x80
[  437.820109]  ? finish_task_switch+0x1f5/0x900
[  437.824604]  ? finish_task_switch+0x1b5/0x900
[  437.829099]  ? __switch_to_asm+0x34/0x70
[  437.833163]  ? preempt_notifier_register+0x200/0x200
[  437.838266]  ? __switch_to_asm+0x34/0x70
[  437.842333]  ? __switch_to_asm+0x40/0x70
[  437.846391]  ? __switch_to_asm+0x34/0x70
[  437.850500]  ? __switch_to_asm+0x40/0x70
[  437.854572]  ? __switch_to_asm+0x34/0x70
[  437.858635]  ? __switch_to_asm+0x40/0x70
[  437.862695]  ? __switch_to_asm+0x40/0x70
[  437.866768]  ? pvclock_read_flags+0x160/0x160
[  437.871273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.876822]  ? check_preemption_disabled+0x48/0x200
[  437.881850]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  437.887130]  ? rcu_pm_notify+0xc0/0xc0
[  437.891020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.896571]  ? check_preemption_disabled+0x48/0x200
[  437.901602]  run_timer_softirq+0x52/0xb0
[  437.905663]  ? rcu_read_lock_sched_held+0x108/0x120
[  437.910684]  __do_softirq+0x30b/0xad8
[  437.914498]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  437.919613]  ? trace_hardirqs_off_caller+0x300/0x300
[  437.924740]  ? schedule+0x108/0x460
[  437.928377]  ? __schedule+0x1ed0/0x1ed0
[  437.932357]  ? trace_hardirqs_off+0xb8/0x300
[  437.936771]  ? ___might_sleep+0x1ed/0x300
[  437.940918]  ? smpboot_thread_fn+0x68b/0xa00
[  437.945331]  ? trace_hardirqs_on+0x310/0x310
[  437.949745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.955285]  ? check_preemption_disabled+0x48/0x200
[  437.960312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.965863]  ? takeover_tasklets+0xa90/0xa90
[  437.970276]  run_ksoftirqd+0x94/0x100
[  437.974084]  smpboot_thread_fn+0x68b/0xa00
[  437.978330]  ? sort_range+0x30/0x30
[  437.981965]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  437.987074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.992613]  ? __kthread_parkme+0xfb/0x1a0
[  437.996860]  kthread+0x35a/0x420
[  438.000230]  ? sort_range+0x30/0x30
[  438.003860]  ? kthread_bind+0x40/0x40
[  438.007663]  ret_from_fork+0x3a/0x50
[  438.011391] warn_alloc_show_mem: 1 callbacks suppressed
[  438.011403] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  438.011405] Mem-Info:
[  438.011437] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  438.011437]  active_file:28 inactive_file:21 isolated_file:0
[  438.011437]  unevictable:0 dirty:0 writeback:0 unstable:0
[  438.011437]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  438.011437]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  438.011437]  free:13666 free_pcp:197 free_cma:0
[  438.016772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  438.016780] Call Trace:
[  438.024067] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  438.026465]  <IRQ>
[  438.059502] Node 0 
[  438.068857]  dump_stack+0x1c4/0x2b4
[  438.071438] 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
[  438.099259]  ? dump_stack_print_info.cold.2+0x52/0x52
[  438.101385] lowmem_reserve[]:
[  438.103628]  warn_alloc.cold.118+0xb7/0x1bd
[  438.107220]  0
[  438.132717]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.137881]  2817
[  438.140991]  ? lock_downgrade+0x900/0x900
[  438.145280]  6321 6321
[  438.147088]  ? trace_hardirqs_off+0xb8/0x300
[  438.153959]  ? trace_hardirqs_off+0xb8/0x300
[  438.158083] Node 0 
[  438.160583]  __alloc_pages_slowpath+0x2667/0x2d80
[  438.164991] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  438.169391]  ? warn_alloc+0x120/0x120
[  438.171671] lowmem_reserve[]:
[  438.176510]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.203206]  0 0
[  438.207016]  ? warn_alloc+0x120/0x120
[  438.210097]  3503
[  438.215107]  ? lockdep_on+0x50/0x50
[  438.217056]  3503
[  438.220859]  ? print_usage_bug+0xc0/0xc0
[  438.222899] Node 0 
[  438.226531]  ? warn_alloc+0x120/0x120
[  438.228600] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  438.232632]  ? print_usage_bug+0xc0/0xc0
[  438.234840] lowmem_reserve[]: 0
[  438.238652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.267264]  0
[  438.271336]  ? should_fail+0x22d/0xd01
[  438.274582]  0
[  438.280118]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.281890]  0
[  438.285782]  ? __lock_acquire+0x7ec/0x4ec0
[  438.287559] Node 0 
[  438.292664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.294437] DMA: 1*4kB 
[  438.298875]  ? should_fail+0x22d/0xd01
[  438.301092] (U) 
[  438.306198]  ? mark_held_locks+0x130/0x130
[  438.308758] 0*8kB 
[  438.312636]  ? mark_held_locks+0x130/0x130
[  438.314589] 0*16kB 
[  438.318817]  ? print_usage_bug+0xc0/0xc0
[  438.320947] 1*32kB 
[  438.325176]  ? find_held_lock+0x36/0x1c0
[  438.327388] (U) 
[  438.331468]  ? graph_lock+0x170/0x170
[  438.333684] 2*64kB 
[  438.337742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.339692] (U) 
[  438.343500]  ? check_preemption_disabled+0x48/0x200
[  438.345713] 1*128kB 
[  438.351244]  ? check_preemption_disabled+0x48/0x200
[  438.353192] (U) 1*256kB 
[  438.358217]  ? __lock_is_held+0xb5/0x140
[  438.360511] (U) 
[  438.365542]  __alloc_pages_nodemask+0xa80/0xde0
[  438.368190] 0*512kB 
[  438.372244]  ? graph_lock+0x170/0x170
[  438.374195] 1*1024kB 
[  438.378859]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  438.381159] (U) 
[  438.384956]  ? graph_lock+0x170/0x170
[  438.387362] 1*2048kB 
[  438.392382]  ? find_held_lock+0x36/0x1c0
[  438.394328] (M) 
[  438.398130]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.400511] 3*4096kB 
[  438.404576]  ? lock_downgrade+0x900/0x900
[  438.406534] (M) 
[  438.411204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.413585] = 15908kB
[  438.417731]  cache_grow_begin+0x91/0x8c0
[  438.419689] Node 0 
[  438.425222]  ? do_raw_spin_unlock+0xa7/0x2f0
[  438.428121] DMA32: 2*4kB 
[  438.432194]  fallback_alloc+0x203/0x2e0
[  438.434419] (M) 
[  438.438830]  ____cache_alloc_node+0x1c7/0x1e0
[  438.441561] 0*8kB 
[  438.445538]  kmem_cache_alloc_node+0xe3/0x730
[  438.447490] 3*16kB 
[  438.451977]  ? mark_held_locks+0xc7/0x130
[  438.454103] (M) 
[  438.458600]  __alloc_skb+0x119/0x770
[  438.460805] 2*32kB 
[  438.464945]  ? skb_scrub_packet+0x490/0x490
[  438.466897] (UM) 
[  438.470613]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  438.472827] 2*64kB 
[  438.477146]  ? queue_work_on+0x12c/0x1e0
[  438.479181] (M) 
[  438.483756]  ? switchdev_port_obj_del+0xdc/0x450
[  438.485961] 4*128kB (UM) 
[  438.490024]  ? switchdev_trans_item_enqueue+0x260/0x260
[  438.491970] 2*256kB (M) 
[  438.496731]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  438.499457] 4*512kB (UM) 
[  438.504825]  __br_mdb_notify+0x4ff/0x15d0
[  438.507470] 3*1024kB (M) 
[  438.512494]  ? __br_mdb_add+0x800/0x800
[  438.515225] 3*2048kB 
[  438.519368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.522100] (UM) 
[  438.526073]  ? check_preemption_disabled+0x48/0x200
[  438.528454] 3*4096kB (M) 
[  438.533996]  ? graph_lock+0x170/0x170
[  438.536048] = 24824kB
[  438.541063]  ? br_multicast_group_expired+0x96/0x610
[  438.543799] Node 0 
[  438.547591]  ? lock_downgrade+0x900/0x900
[  438.549979] Normal: 
[  438.555080]  br_mdb_notify+0x310/0x410
[  438.557313] 981*4kB 
[  438.561452]  ? br_mdb_dump+0x2530/0x2530
[  438.563753] (UMEH) 
[  438.567636]  ? kasan_check_write+0x14/0x20
[  438.569936] 521*8kB 
[  438.573990]  ? do_raw_spin_lock+0xc1/0x200
[  438.576199] (MEH) 
[  438.580428]  br_multicast_group_expired+0x1bc/0x610
[  438.582727] 165*16kB 
[  438.586956]  ? br_mdb_free+0x80/0x80
[  438.589082] (UMEH) 
[  438.594102]  call_timer_fn+0x272/0x920
[  438.596479] 24*32kB (MEH) 
[  438.600214]  ? br_mdb_free+0x80/0x80
[  438.602427] 4*64kB (MH) 
[  438.606318]  ? process_timeout+0x40/0x40
[  438.609142] 3*128kB 
[  438.612847]  ? find_held_lock+0x36/0x1c0
[  438.615504] (UH) 
[  438.619573]  ? __run_timers+0x7da/0xc70
[  438.621863] 1*256kB (U) 
[  438.625927]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.627958] 1*512kB (U) 
[  438.631937]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.634584] 1*1024kB (H) 
[  438.639077]  ? br_mdb_free+0x80/0x80
[  438.641727] 0*2048kB 
[  438.646213]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  438.648943] 0*4096kB = 13932kB
[  438.652663]  ? trace_hardirqs_on+0xbd/0x310
[  438.655059] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  438.659627]  ? kasan_check_read+0x11/0x20
[  438.662798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  438.662807] 4507 total pagecache pages
[  438.667122]  ? __run_timers+0x7da/0xc70
[  438.675942] 0 pages in swap cache
[  438.680075]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  438.688632] Swap cache stats: add 0, delete 0, find 0/0
[  438.692506]  ? br_mdb_free+0x80/0x80
[  438.696465] Free swap  = 0kB
[  438.699915]  ? br_mdb_free+0x80/0x80
[  438.705337] Total swap = 0kB
[  438.705345] 1965979 pages RAM
[  438.710719]  __run_timers+0x7e5/0xc70
[  438.714411] 0 pages HighMem/MovableOnly
[  438.717449]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  438.721130] 342744 pages reserved
[  438.724147]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.727228] 0 pages cma reserved
[  438.731019]  ? graph_lock+0x170/0x170
[  438.735055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  438.740327]  ? enqueue_hrtimer+0x1a5/0x560
[  438.740340]  ? lock_release+0x970/0x970
[  438.740357]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  438.743852] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.748812]  ? find_held_lock+0x36/0x1c0
[  438.752148] ksoftirqd/1 cpuset=
[  438.755962]  ? graph_lock+0x170/0x170
[  438.762429] /
[  438.766660]  ? pvclock_read_flags+0x160/0x160
[  438.770612]  mems_allowed=0
[  438.775800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.811816]  ? check_preemption_disabled+0x48/0x200
[  438.816846]  ? __lock_is_held+0xb5/0x140
[  438.820911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.826462]  ? check_preemption_disabled+0x48/0x200
[  438.831494]  run_timer_softirq+0x52/0xb0
[  438.835568]  ? rcu_read_lock_sched_held+0x108/0x120
[  438.840591]  __do_softirq+0x30b/0xad8
[  438.844404]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  438.849516]  ? pvclock_read_flags+0x160/0x160
[  438.854021]  ? lapic_next_event+0x5a/0x90
[  438.858174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.863714]  ? check_preemption_disabled+0x48/0x200
[  438.868733]  ? check_preemption_disabled+0x48/0x200
[  438.873757]  ? kvm_clock_read+0x18/0x30
[  438.877753]  ? kvm_sched_clock_read+0x9/0x20
[  438.882167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.887710]  ? check_preemption_disabled+0x48/0x200
[  438.892738]  irq_exit+0x17f/0x1c0
[  438.896197]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.901059]  ? smp_reschedule_interrupt+0x109/0x650
[  438.906084]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.911973]  ? interrupt_entry+0xb5/0xf0
[  438.916041]  ? trace_hardirqs_off_caller+0xbb/0x300
[  438.921057]  ? trace_hardirqs_off_caller+0xbb/0x300
[  438.926077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.930927]  ? trace_hardirqs_off+0x300/0x300
[  438.935420]  ? trace_hardirqs_off+0x300/0x300
[  438.939918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.945462]  ? check_preemption_disabled+0x48/0x200
[  438.950482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.956028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.960883]  apic_timer_interrupt+0xf/0x20
[  438.965111]  </IRQ>
[  438.967355] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  438.972288] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  438.991187] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  438.998899] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  439.006169] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  439.013437] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  439.020708] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  439.027982] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  439.035296]  skb_clone+0x1bb/0x500
[  439.038844]  ? skb_split+0x11e0/0x11e0
[  439.042739]  ? preempt_notifier_register+0x200/0x200
[  439.047842]  ? __switch_to_asm+0x34/0x70
[  439.051905]  ? __switch_to_asm+0x34/0x70
[  439.055969]  ? __switch_to_asm+0x40/0x70
[  439.060027]  ? __switch_to_asm+0x34/0x70
[  439.064088]  ? __switch_to_asm+0x40/0x70
[  439.068152]  ? __switch_to_asm+0x40/0x70
[  439.072210]  ? __switch_to_asm+0x34/0x70
[  439.076270]  ? __switch_to_asm+0x34/0x70
[  439.080330]  ? __switch_to_asm+0x40/0x70
[  439.084392]  ? __switch_to_asm+0x34/0x70
[  439.088465]  bpf_clone_redirect+0xb9/0x490
[  439.092710]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  439.097730]  ? __sched_text_start+0x8/0x8
[  439.101882]  ? lockdep_hardirqs_on+0x421/0x5c0
[  439.106466]  ? retint_kernel+0x2d/0x2d
[  439.110356]  ? trace_hardirqs_on_caller+0xc0/0x300
[  439.115290]  ? find_held_lock+0x36/0x1c0
[  439.119364]  ? lock_acquire+0x1ed/0x520
[  439.123341]  ? bpf_test_run+0x32e/0x5a0
[  439.127319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.132864]  ? check_preemption_disabled+0x48/0x200
[  439.137890]  ? kasan_check_read+0x11/0x20
[  439.142041]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  439.147320]  ? rcu_bh_qs+0xc0/0xc0
[  439.150868]  ? preempt_schedule+0x4d/0x60
[  439.155018]  ? ___preempt_schedule+0x16/0x18
[  439.159462]  ? bpf_test_run+0x1c0/0x5a0
[  439.163449]  ? netlink_diag_dump+0x2a0/0x2a0
[  439.167861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.173403]  ? bpf_test_init.isra.9+0x70/0x100
[  439.177996]  ? bpf_prog_test_run_skb+0x634/0xb40
[  439.182767]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  439.187612]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  439.193149]  ? fput+0x130/0x1a0
[  439.196434]  ? __bpf_prog_get+0x9b/0x290
[  439.200504]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  439.205354]  ? bpf_prog_test_run+0x130/0x1a0
[  439.209766]  ? __x64_sys_bpf+0x3d8/0x510
[  439.213836]  ? bpf_prog_get+0x20/0x20
[  439.217645]  ? ksys_ioctl+0x81/0xd0
[  439.221304]  ? do_syscall_64+0x1b9/0x820
[  439.225371]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  439.230741]  ? syscall_return_slowpath+0x5e0/0x5e0
[  439.235672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.240528]  ? trace_hardirqs_off+0x300/0x300
[  439.245026]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  439.250047]  ? prepare_exit_to_usermode+0x291/0x3b0
[  439.255101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.259976]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  439.265364] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  439.265552] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.272224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.282696] syz-executor0 cpuset=
[  439.292031] Call Trace:
[  439.292041] syz0
[  439.295591]  dump_stack+0x1c4/0x2b4
[  439.295602]  ? dump_stack_print_info.cold.2+0x52/0x52
[  439.295618]  warn_alloc.cold.118+0xb7/0x1bd
[  439.295627]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.295637]  ? lock_downgrade+0x900/0x900
[  439.295650]  ? trace_hardirqs_off+0xb8/0x300
[  439.295661]  ? trace_hardirqs_off+0xb8/0x300
[  439.295674]  __alloc_pages_slowpath+0x2667/0x2d80
[  439.295698]  ? warn_alloc+0x120/0x120
[  439.295709]  ? warn_alloc+0x120/0x120
[  439.295717]  ? print_usage_bug+0xc0/0xc0
[  439.295725]  ? warn_alloc+0x120/0x120
[  439.295734]  ? print_usage_bug+0xc0/0xc0
[  439.295743]  ? __lock_acquire+0x7ec/0x4ec0
[  439.295750]  ? __lock_acquire+0x7ec/0x4ec0
[  439.295760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.295769]  ? should_fail+0x22d/0xd01
[  439.295780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.295788]  ? __lock_acquire+0x7ec/0x4ec0
[  439.295803]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.295814]  ? __lock_acquire+0x7ec/0x4ec0
[  439.295830]  ? should_fail+0x22d/0xd01
[  439.298406]  mems_allowed=0
[  439.300381]  ? mark_held_locks+0x130/0x130
[  439.403065]  ? mark_held_locks+0x130/0x130
[  439.407317]  ? graph_lock+0x170/0x170
[  439.411121]  ? graph_lock+0x170/0x170
[  439.414932]  ? graph_lock+0x170/0x170
[  439.418739]  ? print_usage_bug+0xc0/0xc0
[  439.422825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.428853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.434400]  ? check_preemption_disabled+0x48/0x200
[  439.439424]  ? check_preemption_disabled+0x48/0x200
[  439.444967]  ? __lock_is_held+0xb5/0x140
[  439.449043]  __alloc_pages_nodemask+0xa80/0xde0
[  439.453718]  ? graph_lock+0x170/0x170
[  439.457535]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  439.462556]  ? graph_lock+0x170/0x170
[  439.466374]  ? find_held_lock+0x36/0x1c0
[  439.470451]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.475125]  ? lock_downgrade+0x900/0x900
[  439.479287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.484837]  cache_grow_begin+0x91/0x8c0
[  439.488904]  ? do_raw_spin_unlock+0xa7/0x2f0
[  439.493330]  fallback_alloc+0x203/0x2e0
[  439.497317]  ____cache_alloc_node+0x1c7/0x1e0
[  439.501826]  kmem_cache_alloc_node+0xe3/0x730
[  439.506353]  ? ipv6_get_ifaddr+0x42e/0x620
[  439.510602]  __alloc_skb+0x119/0x770
[  439.514322]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  439.519610]  ? skb_scrub_packet+0x490/0x490
[  439.523936]  ? lock_downgrade+0x900/0x900
[  439.528096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.533641]  ? refcount_sub_and_test_checked+0x203/0x310
[  439.539102]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  439.544560]  ? addrconf_rs_timer+0x6f0/0x6f0
[  439.548989]  ndisc_alloc_skb+0x144/0x340
[  439.553059]  ndisc_send_rs+0x331/0x6e0
[  439.556960]  addrconf_rs_timer+0x3c0/0x6f0
[  439.561203]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.565456]  call_timer_fn+0x272/0x920
[  439.569349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.573598]  ? process_timeout+0x40/0x40
[  439.577670]  ? find_held_lock+0x36/0x1c0
[  439.581745]  ? __run_timers+0x7da/0xc70
[  439.585728]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.590228]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.594726]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.598964]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  439.603558]  ? trace_hardirqs_on+0xbd/0x310
[  439.607886]  ? kasan_check_read+0x11/0x20
[  439.612036]  ? __run_timers+0x7da/0xc70
[  439.616017]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  439.621475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.625721]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.629957]  __run_timers+0x7e5/0xc70
[  439.633777]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  439.639160]  ? compat_start_thread+0x80/0x80
[  439.643577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.649123]  ? _raw_spin_unlock_irq+0x60/0x80
[  439.653659]  ? finish_task_switch+0x1f5/0x900
[  439.658153]  ? finish_task_switch+0x1b5/0x900
[  439.662649]  ? __switch_to_asm+0x34/0x70
[  439.666717]  ? preempt_notifier_register+0x200/0x200
[  439.671821]  ? __switch_to_asm+0x34/0x70
[  439.675880]  ? __switch_to_asm+0x40/0x70
[  439.679944]  ? __switch_to_asm+0x34/0x70
[  439.684010]  ? __switch_to_asm+0x40/0x70
[  439.688068]  ? __switch_to_asm+0x34/0x70
[  439.692128]  ? __switch_to_asm+0x40/0x70
[  439.696188]  ? __switch_to_asm+0x40/0x70
[  439.700259]  ? pvclock_read_flags+0x160/0x160
[  439.704761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.710308]  ? check_preemption_disabled+0x48/0x200
[  439.715341]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  439.720622]  ? rcu_pm_notify+0xc0/0xc0
[  439.724512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.730064]  ? check_preemption_disabled+0x48/0x200
[  439.735096]  run_timer_softirq+0x52/0xb0
[  439.739176]  ? rcu_read_lock_sched_held+0x108/0x120
[  439.744198]  __do_softirq+0x30b/0xad8
[  439.748014]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  439.753118]  ? trace_hardirqs_off_caller+0x300/0x300
[  439.758235]  ? schedule+0x108/0x460
[  439.761889]  ? __schedule+0x1ed0/0x1ed0
[  439.765874]  ? trace_hardirqs_off+0xb8/0x300
[  439.770288]  ? ___might_sleep+0x1ed/0x300
[  439.774440]  ? smpboot_thread_fn+0x68b/0xa00
[  439.778854]  ? trace_hardirqs_on+0x310/0x310
[  439.783265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.788813]  ? check_preemption_disabled+0x48/0x200
[  439.793849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.799396]  ? takeover_tasklets+0xa90/0xa90
[  439.803809]  run_ksoftirqd+0x94/0x100
[  439.807614]  smpboot_thread_fn+0x68b/0xa00
[  439.811853]  ? sort_range+0x30/0x30
[  439.815487]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.820599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.826141]  ? __kthread_parkme+0xfb/0x1a0
[  439.830384]  kthread+0x35a/0x420
[  439.833749]  ? sort_range+0x30/0x30
[  439.837377]  ? kthread_bind+0x40/0x40
[  439.841185]  ret_from_fork+0x3a/0x50
[  439.844920] warn_alloc_show_mem: 1 callbacks suppressed
[  439.844932] CPU: 0 PID: 15497 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
[  439.844934] Mem-Info:
[  439.844965] active_anon:49509 inactive_anon:3914 isolated_anon:0
[  439.844965]  active_file:28 inactive_file:21 isolated_file:0
[  439.844965]  unevictable:0 dirty:0 writeback:0 unstable:0
[  439.844965]  slab_reclaimable:9706 slab_unreclaimable:1470501
[  439.844965]  mapped:16579 shmem:4474 pagetables:483 bounce:0
[  439.844965]  free:13666 free_pcp:197 free_cma:0
[  439.850310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.857585] Node 0 active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66316kB dirty:0kB writeback:0kB shmem:17896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  439.859982] Call Trace:
[  439.893037] Node 0 
[  439.902385]  <IRQ>
[  439.930241] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  439.932891]  dump_stack+0x1c4/0x2b4
[  439.935094] lowmem_reserve[]: 0
[  439.937251]  ? dump_stack_print_info.cold.2+0x52/0x52
[  439.962739]  2817 6321
[  439.966378]  warn_alloc.cold.118+0xb7/0x1bd
[  439.969637]  6321
[  439.974834]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.977311] Node 0 
[  439.981624]  ? lock_downgrade+0x900/0x900
[  439.983685] DMA32 free:24824kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  439.988497]  ? trace_hardirqs_off+0xb8/0x300
[  439.990697] lowmem_reserve[]: 0
[  439.994848]  ? trace_hardirqs_off+0xb8/0x300
[  440.021544]  0
[  440.025951]  __alloc_pages_slowpath+0x2667/0x2d80
[  440.029198]  3503
[  440.033625]  ? warn_alloc+0x120/0x120
[  440.035381]  3503
[  440.040226]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  440.042280] Node 0 
[  440.046076]  ? warn_alloc+0x120/0x120
[  440.048149] Normal free:13932kB min:37364kB low:46704kB high:56044kB active_anon:198036kB inactive_anon:15656kB active_file:112kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5376kB pagetables:1932kB bounce:0kB free_pcp:540kB local_pcp:288kB free_cma:0kB
[  440.053133]  ? print_usage_bug+0xc0/0xc0
[  440.055347] lowmem_reserve[]:
[  440.059151]  ? warn_alloc+0x120/0x120
[  440.087667]  0
[  440.091722]  ? print_usage_bug+0xc0/0xc0
[  440.094805]  0
[  440.098598]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  440.100375]  0
[  440.104435]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.106199]  0
[  440.111390]  ? should_fail+0x22d/0xd01
[  440.113167] Node 0 
[  440.118696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.120479] DMA: 
[  440.124360]  ? __lock_acquire+0x7ec/0x4ec0
[  440.126574] 1*4kB 
[  440.131689]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.133727] (U) 
[  440.137953]  ? should_fail+0x22d/0xd01
[  440.140074] 0*8kB 0*16kB 
[  440.145184]  ? mark_held_locks+0x130/0x130
[  440.147129] 1*32kB 
[  440.151075]  ? mark_held_locks+0x130/0x130
[  440.153813] (U) 
[  440.158038]  ? print_usage_bug+0xc0/0xc0
[  440.160256] 2*64kB 
[  440.164486]  ? find_held_lock+0x36/0x1c0
[  440.166435] (U) 
[  440.170493]  ? graph_lock+0x170/0x170
[  440.172710] 1*128kB 
[  440.176766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.178714] (U) 
[  440.182510]  ? check_preemption_disabled+0x48/0x200
[  440.184815] 1*256kB 
[  440.190344]  ? check_preemption_disabled+0x48/0x200
[  440.192296] (U) 
[  440.197309]  ? __lock_is_held+0xb5/0x140
[  440.199607] 0*512kB 
[  440.204625]  __alloc_pages_nodemask+0xa80/0xde0
[  440.206575] 1*1024kB 
[  440.210631]  ? graph_lock+0x170/0x170
[  440.212930] (U) 
[  440.217591]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  440.219978] 1*2048kB (M) 
[  440.223780]  ? graph_lock+0x170/0x170
[  440.225737] 3*4096kB 
[  440.230752]  ? find_held_lock+0x36/0x1c0
[  440.233479] (M) 
[  440.237278]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.239652] = 15908kB
[  440.239660] Node 0 
[  440.243713]  ? lock_downgrade+0x900/0x900
[  440.245685] DMA32: 
[  440.250355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.252736] 2*4kB 
[  440.254970]  cache_grow_begin+0x91/0x8c0
[  440.259120] (M) 
[  440.261354]  ? do_raw_spin_unlock+0xa7/0x2f0
[  440.266866] 0*8kB 
[  440.269013]  fallback_alloc+0x203/0x2e0
[  440.273045] 3*16kB 
[  440.275020]  ____cache_alloc_node+0x1c7/0x1e0
[  440.279401] (M) 
[  440.281557]  kmem_cache_alloc_node+0xe3/0x730
[  440.285512] 2*32kB 
[  440.287749]  ? mark_held_locks+0xc7/0x130
[  440.292222] (UM) 
[  440.294201]  __alloc_skb+0x119/0x770
[  440.298667] 2*64kB 
[  440.300898]  ? skb_scrub_packet+0x490/0x490
[  440.305022] (M) 
[  440.307084]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  440.310807] 4*128kB 
[  440.313037]  ? queue_work_on+0x12c/0x1e0
[  440.317332] (UM) 
[  440.319309]  ? switchdev_port_obj_del+0xdc/0x450
[  440.323863] 2*256kB 
[  440.326183]  ? switchdev_trans_item_enqueue+0x260/0x260
[  440.330218] (M) 
[  440.332278]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  440.337013] 4*512kB 
[  440.339333]  __br_mdb_notify+0x4ff/0x15d0
[  440.344670] (UM) 
[  440.346649]  ? __br_mdb_add+0x800/0x800
[  440.351634] 3*1024kB 
[  440.353957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.358082] (M) 
[  440.360142]  ? check_preemption_disabled+0x48/0x200
[  440.364086] 3*2048kB (UM) 
[  440.366507]  ? graph_lock+0x170/0x170
[  440.372008] 3*4096kB (M) 
[  440.373988]  ? br_multicast_group_expired+0x96/0x610
[  440.378969] = 24824kB
[  440.378977] Node 0 
[  440.381819]  ? lock_downgrade+0x900/0x900
[  440.385595] Normal: 
[  440.388352]  br_mdb_notify+0x310/0x410
[  440.393431] 981*4kB 
[  440.395835]  ? br_mdb_dump+0x2530/0x2530
[  440.398050] (UMEH) 
[  440.402208]  ? kasan_check_write+0x14/0x20
[  440.404504] 521*8kB 
[  440.408393]  ? do_raw_spin_lock+0xc1/0x200
[  440.410689] (MEH) 
[  440.414751]  br_multicast_group_expired+0x1bc/0x610
[  440.416961] 165*16kB 
[  440.421186]  ? br_mdb_free+0x80/0x80
[  440.423494] (UMEH) 
[  440.427732]  call_timer_fn+0x272/0x920
[  440.429850] 24*32kB 
[  440.434855]  ? br_mdb_free+0x80/0x80
[  440.437242] (MEH) 
[  440.440952]  ? process_timeout+0x40/0x40
[  440.443163] 4*64kB (MH) 
[  440.447052]  ? find_held_lock+0x36/0x1c0
[  440.449356] 3*128kB 
[  440.453065]  ? __run_timers+0x7da/0xc70
[  440.455184] (UH) 
[  440.459239]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.461887] 1*256kB 
[  440.465937]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.468239] (U) 
[  440.472207]  ? br_mdb_free+0x80/0x80
[  440.474245] 1*512kB (U) 
[  440.478742]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  440.481040] 1*1024kB 
[  440.485558]  ? trace_hardirqs_on+0xbd/0x310
[  440.487508] (H) 
[  440.491224]  ? kasan_check_read+0x11/0x20
[  440.493871] 0*2048kB 
[  440.498445]  ? __run_timers+0x7da/0xc70
[  440.500830] 0*4096kB 
[  440.505146]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  440.507101] = 13932kB
[  440.511243]  ? br_mdb_free+0x80/0x80
[  440.513636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  440.517599]  ? br_mdb_free+0x80/0x80
[  440.519989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  440.525454]  __run_timers+0x7e5/0xc70
[  440.527841] 4507 total pagecache pages
[  440.531562]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  440.540373] 0 pages in swap cache
[  440.544077]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  440.552631] Swap cache stats: add 0, delete 0, find 0/0
[  440.556422]  ? graph_lock+0x170/0x170
[  440.560284] Free swap  = 0kB
[  440.565639]  ? enqueue_hrtimer+0x1a5/0x560
[  440.569068] Total swap = 0kB
[  440.574076]  ? lock_release+0x970/0x970
[  440.579417] 1965979 pages RAM
[  440.583208]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  440.586197] 0 pages HighMem/MovableOnly
[  440.586205] 342744 pages reserved
[  440.590434]  ? find_held_lock+0x36/0x1c0
[  440.593430] 0 pages cma reserved
[  440.597400]  ? graph_lock+0x170/0x170
[  440.600583] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  440.605667]  ? pvclock_read_flags+0x160/0x160
[  440.609723] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.613255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.617298] ksoftirqd/1 cpuset=
[  440.620660]  ? check_preemption_disabled+0x48/0x200
[  440.624440] /
[  440.630935]  ? __lock_is_held+0xb5/0x140
[  440.635404]  mems_allowed=0
[  440.645727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.673716]  ? check_preemption_disabled+0x48/0x200
[  440.678744]  run_timer_softirq+0x52/0xb0
[  440.682813]  ? rcu_read_lock_sched_held+0x108/0x120
[  440.687836]  __do_softirq+0x30b/0xad8
[  440.691649]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  440.696759]  ? pvclock_read_flags+0x160/0x160
[  440.701258]  ? lapic_next_event+0x5a/0x90
[  440.705407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.710975]  ? check_preemption_disabled+0x48/0x200
[  440.716011]  ? check_preemption_disabled+0x48/0x200
[  440.721035]  ? kvm_clock_read+0x18/0x30
[  440.725012]  ? kvm_sched_clock_read+0x9/0x20
[  440.729431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.734971]  ? check_preemption_disabled+0x48/0x200
[  440.740002]  irq_exit+0x17f/0x1c0
[  440.743459]  smp_apic_timer_interrupt+0x1cb/0x760
[  440.748303]  ? smp_reschedule_interrupt+0x109/0x650
[  440.753326]  ? smp_call_function_single_interrupt+0x650/0x650
[  440.759211]  ? interrupt_entry+0xb5/0xf0
[  440.763275]  ? trace_hardirqs_off_caller+0xbb/0x300
[  440.768293]  ? trace_hardirqs_off_caller+0xbb/0x300
[  440.773315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.778162]  ? trace_hardirqs_off+0x300/0x300
[  440.782661]  ? trace_hardirqs_off+0x300/0x300
[  440.787159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.792703]  ? check_preemption_disabled+0x48/0x200
[  440.797719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.803264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.808123]  apic_timer_interrupt+0xf/0x20
[  440.812371]  </IRQ>
[  440.814617] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  440.819559] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 42
[  440.838459] RSP: 0000:ffff8801802d7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  440.846201] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  440.853471] RDX: 0000000000000000 RSI: ffff8801cc10ed80 RDI: 0000000000000282
[  440.860736] RBP: ffff8801802d77b0 R08: ffff8801cc10e500 R09: 0000000000000000
[  440.868006] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  440.875272] R13: ffff8801d946ae00 R14: ffff8801d946ae00 R15: 0000000000480020
[  440.882595]  skb_clone+0x1bb/0x500
[  440.886141]  ? skb_split+0x11e0/0x11e0
[  440.890031]  ? preempt_notifier_register+0x200/0x200
[  440.895141]  ? __switch_to_asm+0x34/0x70
[  440.899203]  ? __switch_to_asm+0x34/0x70
[  440.903288]  ? __switch_to_asm+0x40/0x70
[  440.907369]  ? __switch_to_asm+0x34/0x70
[  440.911426]  ? __switch_to_asm+0x40/0x70
[  440.915485]  ? __switch_to_asm+0x40/0x70
[  440.919552]  ? __switch_to_asm+0x34/0x70
[  440.923621]  ? __switch_to_asm+0x34/0x70
[  440.927683]  ? __switch_to_asm+0x40/0x70
[  440.931746]  ? __switch_to_asm+0x34/0x70
[  440.935821]  bpf_clone_redirect+0xb9/0x490
[  440.940067]  bpf_prog_bebbfe2050753572+0xed1/0x1000
[  440.945090]  ? __sched_text_start+0x8/0x8
[  440.949242]  ? lockdep_hardirqs_on+0x421/0x5c0
[  440.953824]  ? retint_kernel+0x2d/0x2d
[  440.957716]  ? trace_hardirqs_on_caller+0xc0/0x300
[  440.962651]  ? find_held_lock+0x36/0x1c0
[  440.966720]  ? lock_acquire+0x1ed/0x520
[  440.970724]  ? bpf_test_run+0x32e/0x5a0
[  440.974706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.980246]  ? check_preemption_disabled+0x48/0x200
[  440.985275]  ? kasan_check_read+0x11/0x20
[  440.989429]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  440.994711]  ? rcu_bh_qs+0xc0/0xc0
[  440.998254]  ? preempt_schedule+0x4d/0x60
[  441.002410]  ? ___preempt_schedule+0x16/0x18
[  441.006829]  ? bpf_test_run+0x1c0/0x5a0
[  441.010820]  ? netlink_diag_dump+0x2a0/0x2a0
[  441.015232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.020767]  ? bpf_test_init.isra.9+0x70/0x100
[  441.025363]  ? bpf_prog_test_run_skb+0x634/0xb40
[  441.030127]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  441.034968]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  441.040504]  ? fput+0x130/0x1a0
[  441.043801]  ? __bpf_prog_get+0x9b/0x290
[  441.047870]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  441.052717]  ? bpf_prog_test_run+0x130/0x1a0
[  441.057133]  ? __x64_sys_bpf+0x3d8/0x510
[  441.061194]  ? bpf_prog_get+0x20/0x20
[  441.065024]  ? ksys_ioctl+0x81/0xd0
[  441.068662]  ? do_syscall_64+0x1b9/0x820
[  441.072726]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  441.078136]  ? syscall_return_slowpath+0x5e0/0x5e0
[  441.083067]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.087919]  ? trace_hardirqs_off+0x300/0x300
[  441.092419]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  441.097442]  ? prepare_exit_to_usermode+0x291/0x3b0
[  441.102491]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.107370]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  441.112755] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
[  441.112951] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.119609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  441.130077] syz-executor0 cpuset=
[  441.139416] Call Trace:
[  441.139426] syz0
[  441.142871]  dump_stack+0x1c4/0x2b4
[  441.145437]  mems_allowed=0
[  441.147405]  ? dump_stack_print_info.cold.2+0x52/0x52
[  441.159144]  warn_alloc.cold.118+0xb7/0x1bd
[  441.163471]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.168338]  ? lock_downgrade+0x900/0x900
[  441.172502]  ? trace_hardirqs_off+0xb8/0x300
[  441.176927]  ? trace_hardirqs_off+0xb8/0x300
[  441.181353]  __alloc_pages_slowpath+0x2667/0x2d80
[  441.186229]  ? warn_alloc+0x120/0x120
[  441.190038]  ? warn_alloc+0x120/0x120
[  441.193840]  ? print_usage_bug+0xc0/0xc0
[  441.197907]  ? warn_alloc+0x120/0x120
[  441.201809]  ? print_usage_bug+0xc0/0xc0
[  441.205882]  ? __lock_acquire+0x7ec/0x4ec0
[  441.210135]  ? __lock_acquire+0x7ec/0x4ec0
[  441.214374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.219915]  ? should_fail+0x22d/0xd01
[  441.223813]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.228917]  ? __lock_acquire+0x7ec/0x4ec0
[  441.233158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.238259]  ? __lock_acquire+0x7ec/0x4ec0
[  441.242496]  ? should_fail+0x22d/0xd01
[  441.246393]  ? print_usage_bug+0xc0/0xc0
[  441.250473]  ? mark_held_locks+0x130/0x130
[  441.254714]  ? mark_held_locks+0x130/0x130
[  441.258957]  ? graph_lock+0x170/0x170
[  441.262848]  ? print_usage_bug+0xc0/0xc0
[  441.266920]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  441.271679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.277220]  ? check_preemption_disabled+0x48/0x200
[  441.282237]  ? check_preemption_disabled+0x48/0x200
[  441.287265]  ? __lock_is_held+0xb5/0x140
[  441.291340]  __alloc_pages_nodemask+0xa80/0xde0
[  441.296376]  ? graph_lock+0x170/0x170
[  441.300202]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  441.305217]  ? graph_lock+0x170/0x170
[  441.309033]  ? find_held_lock+0x36/0x1c0
[  441.313109]  ? ____cache_alloc_node+0x1c7/0x1e0
[  441.317780]  ? lock_downgrade+0x900/0x900
[  441.321940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.327576]  cache_grow_begin+0x91/0x8c0
[  441.331641]  ? do_raw_spin_unlock+0xa7/0x2f0
[  441.336061]  fallback_alloc+0x203/0x2e0
[  441.340045]  ____cache_alloc_node+0x1c7/0x1e0
[  441.344556]  kmem_cache_alloc_node+0xe3/0x730
[  441.349055]  ? ipv6_get_ifaddr+0x42e/0x620
[  441.353313]  __alloc_skb+0x119/0x770
[  441.357033]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  441.362318]  ? skb_scrub_packet+0x490/0x490
[  441.366644]  ? lock_downgrade+0x900/0x900
[  441.370807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.376346]  ? refcount_sub_and_test_checked+0x203/0x310