2]  ndisc_alloc_skb+0x144/0x340
[  210.080211]  ndisc_send_rs+0x331/0x6e0
[  210.080232]  addrconf_rs_timer+0x3c0/0x6f0
[  210.080252]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.080280]  call_timer_fn+0x272/0x920
[  210.080294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.080310]  ? process_timeout+0x40/0x40
[  210.080322]  ? find_held_lock+0x36/0x1c0
[  210.080345]  ? __run_timers+0x7da/0xc70
[  210.080361]  ? _raw_spin_unlock_irq+0x27/0x80
[  210.080375]  ? _raw_spin_unlock_irq+0x27/0x80
[  210.080388]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.080401]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  210.080417]  ? trace_hardirqs_on+0xbd/0x310
[  210.080428]  ? kasan_check_read+0x11/0x20
[  210.080442]  ? __run_timers+0x7da/0xc70
[  210.080457]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  210.080477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.080498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.080512]  __run_timers+0x7e5/0xc70
[  210.080539]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  210.080555]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  210.080570]  ? graph_lock+0x170/0x170
[  210.080587]  ? enqueue_hrtimer+0x1a5/0x560
[  210.080600]  ? lock_release+0x970/0x970
[  210.080615]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  210.080636]  ? find_held_lock+0x36/0x1c0
[  210.080655]  ? graph_lock+0x170/0x170
[  210.080670]  ? pvclock_read_flags+0x160/0x160
[  210.080684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.080697]  ? check_preemption_disabled+0x48/0x200
[  210.080722]  ? __lock_is_held+0xb5/0x140
[  210.080737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.080750]  ? check_preemption_disabled+0x48/0x200
[  210.080772]  run_timer_softirq+0x52/0xb0
[  210.080785]  ? rcu_read_lock_sched_held+0x108/0x120
[  210.080800]  __do_softirq+0x30b/0xad8
[  210.080826]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  210.080845]  ? pvclock_read_flags+0x160/0x160
[  210.080858]  ? lapic_next_event+0x5a/0x90
[  210.080873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.080885]  ? check_preemption_disabled+0x48/0x200
[  210.080897]  ? check_preemption_disabled+0x48/0x200
[  210.080916]  ? kvm_clock_read+0x18/0x30
[  210.080930]  ? kvm_sched_clock_read+0x9/0x20
[  210.080946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.080959]  ? check_preemption_disabled+0x48/0x200
[  210.080985]  irq_exit+0x17f/0x1c0
[  210.081000]  smp_apic_timer_interrupt+0x1cb/0x760
[  210.081014]  ? smp_reschedule_interrupt+0x109/0x650
[  210.081039]  ? smp_call_function_single_interrupt+0x650/0x650
[  210.081059]  ? interrupt_entry+0xb5/0xf0
[  210.081074]  ? trace_hardirqs_off_caller+0xbb/0x300
[  210.081087]  ? trace_hardirqs_off_caller+0xbb/0x300
[  210.081102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.081117]  ? trace_hardirqs_off+0x300/0x300
[  210.081129]  ? trace_hardirqs_off+0x300/0x300
[  210.081143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.081156]  ? check_preemption_disabled+0x48/0x200
[  210.081169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.081191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.081215]  apic_timer_interrupt+0xf/0x20
[  210.081221]  </IRQ>
[  210.081235] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  210.081248] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  210.081256] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  210.081270] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  210.081279] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  210.081288] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  210.081296] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  210.081305] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  210.081349]  skb_clone+0x1bb/0x500
[  210.081363]  ? finish_task_switch+0x2f5/0x900
[  210.081378]  ? skb_split+0x11e0/0x11e0
[  210.081393]  ? preempt_notifier_register+0x200/0x200
[  210.081406]  ? __switch_to_asm+0x34/0x70
[  210.081419]  ? __switch_to_asm+0x34/0x70
[  210.081431]  ? __switch_to_asm+0x40/0x70
[  210.081443]  ? __switch_to_asm+0x34/0x70
[  210.081455]  ? __switch_to_asm+0x40/0x70
[  210.081467]  ? __switch_to_asm+0x34/0x70
[  210.081480]  ? __switch_to_asm+0x40/0x70
[  210.081492]  ? __switch_to_asm+0x34/0x70
[  210.081505]  ? __switch_to_asm+0x34/0x70
[  210.081517]  ? __switch_to_asm+0x40/0x70
[  210.081529]  ? __switch_to_asm+0x34/0x70
[  210.081550]  bpf_clone_redirect+0xb9/0x490
[  210.081565]  ? __schedule+0x874/0x1ed0
[  210.081584]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  210.081601]  ? __sched_text_start+0x8/0x8
[  210.081621]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  210.081642]  ? find_held_lock+0x36/0x1c0
[  210.081663]  ? lock_acquire+0x1ed/0x520
[  210.081675]  ? bpf_test_run+0x32e/0x5a0
[  210.081690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.081702]  ? check_preemption_disabled+0x48/0x200
[  210.081720]  ? kasan_check_read+0x11/0x20
[  210.081735]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  210.081751]  ? rcu_bh_qs+0xc0/0xc0
[  210.081767]  ? preempt_schedule+0x4d/0x60
[  210.081781]  ? ___preempt_schedule+0x16/0x18
[  210.081801]  ? bpf_test_run+0x1c0/0x5a0
[  210.081827]  ? netlink_diag_dump+0x2a0/0x2a0
[  210.081843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.081856]  ? bpf_test_init.isra.9+0x70/0x100
[  210.081875]  ? bpf_prog_test_run_skb+0x634/0xb40
[  210.081897]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  210.081910]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  210.081922]  ? fput+0x130/0x1a0
[  210.081936]  ? __bpf_prog_get+0x9b/0x290
[  210.081953]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  210.081965]  ? bpf_prog_test_run+0x130/0x1a0
[  210.081982]  ? __x64_sys_bpf+0x3d8/0x510
[  210.081997]  ? bpf_prog_get+0x20/0x20
[  210.082038]  ? do_syscall_64+0x1b9/0x820
[  210.082058]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  210.082075]  ? syscall_return_slowpath+0x5e0/0x5e0
[  210.082089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.082104]  ? trace_hardirqs_off+0x300/0x300
[  210.082120]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  210.082136]  ? prepare_exit_to_usermode+0x291/0x3b0
[  210.082157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.082180]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  210.082212] CPU: 1 PID: 5335 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93
[  210.082219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  210.082223] Call Trace:
[  210.082228]  <IRQ>
[  210.082241]  dump_stack+0x1c4/0x2b4
[  210.082245] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  210.082257]  ? dump_stack_print_info.cold.2+0x52/0x52
[  210.082284]  warn_alloc.cold.118+0xb7/0x1bd
[  210.082300]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  210.082316]  ? lock_downgrade+0x900/0x900
[  210.082338]  ? trace_hardirqs_off+0xb8/0x300
[  210.082359]  ? trace_hardirqs_off+0xb8/0x300
[  210.082382]  __alloc_pages_slowpath+0x2667/0x2d80
[  210.082424]  ? warn_alloc+0x120/0x120
[  210.082444]  ? warn_alloc+0x120/0x120
[  210.082460]  ? print_usage_bug+0xc0/0xc0
[  210.082473]  ? warn_alloc+0x120/0x120
[  210.082485]  ? lock_release+0x970/0x970
[  210.082498]  ? print_usage_bug+0xc0/0xc0
[  210.082514]  ? __lock_acquire+0x7ec/0x4ec0
[  210.082527]  ? __lock_acquire+0x7ec/0x4ec0
[  210.082549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.082562]  ? should_fail+0x22d/0xd01
[  210.082579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.082591]  ? __lock_acquire+0x7ec/0x4ec0
[  210.082608]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.082619]  ? __lock_acquire+0x7ec/0x4ec0
[  210.082630]  ? should_fail+0x22d/0xd01
[  210.082652]  ? mark_held_locks+0x130/0x130
[  210.082668]  ? mark_held_locks+0x130/0x130
[  210.082681]  ? kvm_clock_read+0x18/0x30
[  210.082694]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  210.082705]  ? ktime_get+0x2e1/0x440
[  210.082720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.082733]  ? graph_lock+0x170/0x170
[  210.082745]  ? print_usage_bug+0xc0/0xc0
[  210.082760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.082772]  ? check_preemption_disabled+0x48/0x200
[  210.082782]  ? check_preemption_disabled+0x48/0x200
[  210.082803]  ? __lock_is_held+0xb5/0x140
[  210.082823]  __alloc_pages_nodemask+0xa80/0xde0
[  210.082836]  ? graph_lock+0x170/0x170
[  210.082854]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  210.082866]  ? graph_lock+0x170/0x170
[  210.082891]  ? find_held_lock+0x36/0x1c0
[  210.082914]  ? ____cache_alloc_node+0x1c7/0x1e0
[  210.082930]  ? lock_downgrade+0x900/0x900
[  210.082952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.082973]  cache_grow_begin+0x91/0x8c0
[  210.082988]  ? do_raw_spin_unlock+0xa7/0x2f0
[  210.083011]  fallback_alloc+0x203/0x2e0
[  210.083046]  ____cache_alloc_node+0x1c7/0x1e0
[  210.083068]  kmem_cache_alloc_node+0xe3/0x730
[  210.083084]  ? ipv6_get_ifaddr+0x42e/0x620
[  210.083108]  __alloc_skb+0x119/0x770
[  210.083123]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  210.083142]  ? skb_scrub_packet+0x490/0x490
[  210.083155]  ? lock_downgrade+0x900/0x900
[  210.083177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.083192]  ? refcount_sub_and_test_checked+0x203/0x310
[  210.083211]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  210.083226]  ? addrconf_rs_timer+0x6f0/0x6f0
[  210.083254]  ndisc_alloc_skb+0x144/0x340
[  210.083275]  ndisc_send_rs+0x331/0x6e0
[  210.083296]  addrconf_rs_timer+0x3c0/0x6f0
[  210.083318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.083346]  call_timer_fn+0x272/0x920
[  210.083360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.083377]  ? process_timeout+0x40/0x40
[  210.083389]  ? find_held_lock+0x36/0x1c0
[  210.083412]  ? mark_held_locks+0xc7/0x130
[  210.083428]  ? _raw_spin_unlock_irq+0x27/0x80
[  210.083442]  ? _raw_spin_unlock_irq+0x27/0x80
[  210.083455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.083470]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  210.083486]  ? trace_hardirqs_on+0xbd/0x310
[  210.083497]  ? kasan_check_read+0x11/0x20
[  210.083512]  ? __run_timers+0x7da/0xc70
[  210.083528]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  210.083556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.083577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.083591]  __run_timers+0x7e5/0xc70
[  210.083619]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  210.083635]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  210.083651]  ? graph_lock+0x170/0x170
[  210.083670]  ? print_usage_bug+0xc0/0xc0
[  210.083683]  ? lock_release+0x970/0x970
[  210.083698]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  210.083720]  ? find_held_lock+0x36/0x1c0
[  210.083739]  ? graph_lock+0x170/0x170
[  210.083758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.083771]  ? check_preemption_disabled+0x48/0x200
[  210.083797]  ? __lock_is_held+0xb5/0x140
[  210.083812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.083825]  ? check_preemption_disabled+0x48/0x200
[  210.083848]  run_timer_softirq+0x52/0xb0
[  210.083862]  ? rcu_read_lock_sched_held+0x108/0x120
[  210.083877]  __do_softirq+0x30b/0xad8
[  210.083904]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  210.083924]  ? pvclock_read_flags+0x160/0x160
[  210.083937]  ? lapic_next_event+0x5a/0x90
[  210.083952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.083965]  ? check_preemption_disabled+0x48/0x200
[  210.083977]  ? check_preemption_disabled+0x48/0x200
[  210.083996]  ? kvm_clock_read+0x18/0x30
[  210.084011]  ? kvm_sched_clock_read+0x9/0x20
[  210.084027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.084050]  ? check_preemption_disabled+0x48/0x200
[  210.084077]  irq_exit+0x17f/0x1c0
[  210.084094]  smp_apic_timer_interrupt+0x1cb/0x760
[  210.084108]  ? smp_reschedule_interrupt+0x109/0x650
[  210.084125]  ? smp_call_function_single_interrupt+0x650/0x650
[  210.084139]  ? interrupt_entry+0xb5/0xf0
[  210.084154]  ? trace_hardirqs_off_caller+0xbb/0x300
[  210.084167]  ? trace_hardirqs_off_caller+0xbb/0x300
[  210.084182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.084197]  ? trace_hardirqs_off+0x300/0x300
[  210.084210]  ? trace_hardirqs_off+0x300/0x300
[  210.084224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.084238]  ? check_preemption_disabled+0x48/0x200
[  210.084251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.084274]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.084299]  apic_timer_interrupt+0xf/0x20
[  210.084305]  </IRQ>
[  210.084320] RIP: 0010:vprintk_emit+0x824/0x930
[  210.084333] Code: 00 00 00 00 fc ff df 41 80 3c 04 00 0f 85 c5 00 00 00 48 83 3d 74 59 0d 08 00 74 2d e8 f5 fe 19 00 48 8b bd 90 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 fe ff ff e8 dd fe 19 00 0f 0b e8 d6 fe 19 00
[  210.084341] RSP: 0000:ffff8801badcd640 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  210.084357] RAX: ffff8801d91826c0 RBX: 1ffff100375b9ace RCX: 1ffff1003b2305f6
[  210.084366] RDX: 0000000000000000 RSI: ffffffff8164d03b RDI: 0000000000000293
[  210.084374] RBP: ffff8801badcd7b8 R08: ffff8801d9182fb0 R09: 0000000000000006
[  210.084383] R10: 0000000000000000 R11: ffff8801d91826c0 R12: 1ffffffff12e4535
[  210.084392] R13: 0000000000000200 R14: ffff8801badcd790 R15: 0000000000000000
[  210.084419]  ? vprintk_emit+0x81b/0x930
[  210.084447]  ? wake_up_klogd+0x180/0x180
[  210.084473]  ? find_held_lock+0x36/0x1c0
[  210.084492]  ? mark_held_locks+0xc7/0x130
[  210.084511]  vprintk_default+0x28/0x30
[  210.084526]  vprintk_func+0x7e/0x181
[  210.084552]  printk+0xa7/0xcf
[  210.084568]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  210.084583]  ? kasan_check_write+0x14/0x20
[  210.084598]  ? do_raw_spin_lock+0xc1/0x200
[  210.084622]  show_free_areas.cold.119+0x1e0b/0x215d
[  210.084658]  ? si_meminfo_node+0x260/0x260
[  210.084674]  ? __lock_acquire+0x7ec/0x4ec0
[  210.084695]  ? __lock_acquire+0x7ec/0x4ec0
[  210.084709]  ? __lock_acquire+0x7ec/0x4ec0
[  210.084724]  ? kasan_check_write+0x14/0x20
[  210.084740]  ? native_queued_spin_lock_slowpath+0x1de/0x1120
[  210.084765]  ? mark_held_locks+0x130/0x130
[  210.084779]  ? mark_held_locks+0x130/0x130
[  210.084798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.084812]  ? graph_lock+0x170/0x170
[  210.084827]  ? put_dec+0x3b/0xf0
[  210.084842]  ? number+0x972/0xca0
[  210.084856]  ? __lock_acquire+0x7ec/0x4ec0
[  210.084871]  ? __sanitizer_cov_trace_const_cmp1+0x10/0x20
[  210.084890]  ? find_held_lock+0x36/0x1c0
[  210.084914]  ? serial8250_console_write+0x8b3/0xb10
[  210.084930]  ? lock_downgrade+0x900/0x900
[  210.084946]  ? graph_lock+0x170/0x170
[  210.084960]  ? graph_lock+0x170/0x170
[  210.084976]  ? print_usage_bug+0xc0/0xc0
[  210.084990]  ? do_raw_spin_unlock+0xa7/0x2f0
[  210.085005]  ? trace_hardirqs_on+0x310/0x310
[  210.085019]  ? wq_watchdog_touch+0x9c/0xfe
[  210.085045]  ? io_serial_in+0x11/0x90
[  210.085068]  ? find_held_lock+0x36/0x1c0
[  210.085090]  ? mark_held_locks+0xc7/0x130
[  210.085110]  ? netconsole_netdev_event+0x280/0x280
[  210.085123]  ? console_unlock+0xfe2/0x11a0
[  210.085138]  ? lockdep_hardirqs_on+0x421/0x5c0
[  210.085154]  ? trace_hardirqs_on+0xbd/0x310
[  210.085169]  ? vprintk_emit+0x33d/0x930
[  210.085185]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  210.085199]  ? kasan_check_write+0x14/0x20
[  210.085214]  ? do_raw_spin_lock+0xc1/0x200
[  210.085234]  ? netconsole_netdev_event+0x280/0x280
[  210.085251]  ? console_unlock+0x98e/0x11a0
[  210.085277]  ? devkmsg_read+0xbb0/0xbb0
[  210.085296]  ? lock_release+0x970/0x970
[  210.085311]  ? preempt_count_add+0x7d/0x160
[  210.085328]  ? wake_up_klogd+0x11a/0x180
[  210.085344]  ? console_device+0xc0/0xc0
[  210.085371]  ? vprintk_emit+0x268/0x930
[  210.085392]  ? wake_up_klogd+0x180/0x180
[  210.085406]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  210.085421]  ? trace_hardirqs_off_caller+0x300/0x300
[  210.085433]  ? retint_kernel+0x1b/0x2d
[  210.085448]  ? trace_hardirqs_on+0x310/0x310
[  210.085472]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  210.085494]  ? retint_kernel+0x2d/0x2d
[  210.085519]  ? arch_local_irq_restore+0x45/0x52
[  210.085549]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  210.085572]  ? show_mem+0x1e/0x17b
[  210.085593]  show_mem+0x34/0x17b
[  210.085611]  dump_header+0x2f1/0xf72
[  210.085638]  ? pagefault_out_of_memory+0x197/0x197
[  210.085657]  ? mark_held_locks+0x130/0x130
[  210.085671]  ? __lock_acquire+0x7ec/0x4ec0
[  210.085685]  ? mem_cgroup_charge_statistics+0x780/0x780
[  210.085699]  ? print_usage_bug+0xc0/0xc0
[  210.085714]  ? print_usage_bug+0xc0/0xc0
[  210.085735]  ? graph_lock+0x170/0x170
[  210.085747]  ? graph_lock+0x170/0x170
[  210.085761]  ? print_usage_bug+0xc0/0xc0
[  210.085773]  ? print_usage_bug+0xc0/0xc0
[  210.085796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.085815]  ? find_held_lock+0x36/0x1c0
[  210.085838]  ? mark_held_locks+0xc7/0x130
[  210.085855]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  210.085870]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  210.085885]  ? lockdep_hardirqs_on+0x421/0x5c0
[  210.085901]  ? trace_hardirqs_on+0xbd/0x310
[  210.085912]  ? kasan_check_read+0x11/0x20
[  210.085926]  ? ___ratelimit+0x36f/0x655
[  210.085941]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  210.085957]  ? trace_hardirqs_on+0x310/0x310
[  210.085972]  ? lock_downgrade+0x900/0x900
[  210.085993]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  210.086008]  ? ___ratelimit+0xaa/0x655
[  210.086027]  ? idr_get_free+0xec0/0xec0
[  210.086052]  ? kasan_check_write+0x14/0x20
[  210.086066]  ? do_raw_spin_lock+0xc1/0x200
[  210.086089]  oom_kill_process.cold.27+0x10/0x903
[  210.086104]  ? graph_lock+0x170/0x170
[  210.086117]  ? _raw_spin_unlock+0x2c/0x50
[  210.086131]  ? oom_badness+0xe6/0xaa0
[  210.086152]  ? oom_evaluate_task+0x540/0x540
[  210.086170]  ? find_held_lock+0x36/0x1c0
[  210.086192]  ? out_of_memory+0x974/0x14c0
[  210.086208]  ? lock_downgrade+0x900/0x900
[  210.086220]  ? check_preemption_disabled+0x48/0x200
[  210.086240]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  210.086252]  ? kasan_check_read+0x11/0x20
[  210.086268]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  210.086284]  ? rcu_bh_qs+0xc0/0xc0
[  210.086302]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  210.086315]  ? oom_evaluate_task+0x302/0x540
[  210.086335]  out_of_memory+0xa86/0x14c0
[  210.086358]  ? oom_killer_disable+0x3a0/0x3a0
[  210.086374]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  210.086389]  ? __mutex_add_waiter+0x2a0/0x2a0
[  210.086417]  __alloc_pages_slowpath+0x2318/0x2d80
[  210.086463]  ? warn_alloc+0x120/0x120
[  210.086477]  ? __radix_tree_lookup+0x4c0/0x4c0
[  210.086505]  ? find_get_entry+0x2f2/0xc40
[  210.086529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.086554]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  210.086569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.086583]  ? should_fail+0x22d/0xd01
[  210.086603]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.086617]  ? __lock_is_held+0xb5/0x140
[  210.086660]  ? __lock_is_held+0xb5/0x140
[  210.086682]  ? find_held_lock+0x36/0x1c0
[  210.086699]  ? ___might_sleep+0x1ed/0x300
[  210.086712]  ? lock_release+0x970/0x970
[  210.086727]  ? arch_local_save_flags+0x40/0x40
[  210.086755]  ? __might_sleep+0x95/0x190
[  210.086775]  __alloc_pages_nodemask+0xa80/0xde0
[  210.086797]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  210.086814]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  210.086826]  ? kasan_check_read+0x11/0x20
[  210.086842]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  210.086860]  ? graph_lock+0x170/0x170
[  210.086875]  ? print_usage_bug+0xc0/0xc0
[  210.086893]  ? graph_lock+0x170/0x170
[  210.086905]  ? graph_lock+0x170/0x170
[  210.086920]  ? __do_page_cache_readahead+0x7ce/0x980
[  210.086941]  ? find_held_lock+0x36/0x1c0
[  210.086960]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  210.086978]  alloc_pages_current+0x10c/0x210
[  210.086991]  ? lock_downgrade+0x900/0x900
[  210.087011]  __page_cache_alloc+0x38f/0x5b0
[  210.087026]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  210.087048]  ? kasan_check_read+0x11/0x20
[  210.087064]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  210.087082]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  210.087097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.087110]  ? check_preemption_disabled+0x48/0x200
[  210.087133]  filemap_fault+0x1594/0x25f0
[  210.087162]  ? __lock_page_or_retry+0xa00/0xa00
[  210.087177]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  210.087188]  ? kasan_check_read+0x11/0x20
[  210.087203]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  210.087217]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  210.087232]  ? rcu_bh_qs+0xc0/0xc0
[  210.087248]  ? trace_hardirqs_on+0xbd/0x310
[  210.087260]  ? kasan_check_read+0x11/0x20
[  210.087272]  ? __free_object+0x173/0x340
[  210.087294]  ? filemap_map_pages+0xdea/0x1980
[  210.087315]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  210.087329]  ? __free_object+0x173/0x340
[  210.087344]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  210.087355]  ? debug_object_free+0x325/0x690
[  210.087372]  ? find_get_pages_range_tag+0x1320/0x1320
[  210.087392]  ? graph_lock+0x170/0x170
[  210.087413]  ? kasan_check_read+0x11/0x20
[  210.087429]  ? debug_object_destroy+0x2b0/0x2b0
[  210.087455]  ? lock_acquire+0x1ed/0x520
[  210.087468]  ? ext4_filemap_fault+0x7a/0xad
[  210.087489]  ? lock_release+0x970/0x970
[  210.087503]  ? arch_local_save_flags+0x40/0x40
[  210.087521]  ? futex_wait_setup+0x3e0/0x3e0
[  210.087556]  ? down_read+0xb0/0x1d0
[  210.087569]  ? ext4_filemap_fault+0x7a/0xad
[  210.087583]  ? __down_interruptible+0x700/0x700
[  210.087617]  ext4_filemap_fault+0x82/0xad
[  210.087634]  __do_fault+0x100/0x6b0
[  210.087653]  ? print_bad_pte+0x6c0/0x6c0
[  210.087667]  ? do_futex+0x249/0x26d0
[  210.087681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.087694]  ? check_preemption_disabled+0x48/0x200
[  210.087710]  ? pmd_val+0x88/0x100
[  210.087725]  ? add_mm_counter_fast+0xd0/0xd0
[  210.087738]  ? pmd_val+0x88/0x100
[  210.087753]  ? add_mm_counter_fast+0xd0/0xd0
[  210.087771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.087791]  __handle_mm_fault+0x3709/0x53e0
[  210.087804]  ? debug_smp_processor_id+0x1c/0x20
[  210.087827]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  210.087842]  ? graph_lock+0x170/0x170
[  210.087858]  ? print_usage_bug+0xc0/0xc0
[  210.087870]  ? __switch_to_asm+0x34/0x70
[  210.087887]  ? graph_lock+0x170/0x170
[  210.087900]  ? graph_lock+0x170/0x170
[  210.087935]  ? handle_mm_fault+0x42a/0xc70
[  210.087951]  ? lock_downgrade+0x900/0x900
[  210.087963]  ? check_preemption_disabled+0x48/0x200
[  210.087983]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  210.087994]  ? kasan_check_read+0x11/0x20
[  210.088010]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  210.088025]  ? rcu_bh_qs+0xc0/0xc0
[  210.088051]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  210.088067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.088080]  ? check_preemption_disabled+0x48/0x200
[  210.088103]  handle_mm_fault+0x54f/0xc70
[  210.088121]  ? __handle_mm_fault+0x53e0/0x53e0
[  210.088139]  ? find_vma+0x34/0x190
[  210.088159]  __do_page_fault+0x67d/0xed0
[  210.088183]  ? mm_fault_error+0x380/0x380
[  210.088196]  ? trace_hardirqs_off+0xb8/0x300
[  210.088212]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  210.088227]  ? trace_hardirqs_on+0x310/0x310
[  210.088249]  do_page_fault+0xf2/0x7e0
[  210.088265]  ? vmalloc_sync_all+0x30/0x30
[  210.088280]  ? error_entry+0x70/0xd0
[  210.088296]  ? trace_hardirqs_off_caller+0xbb/0x300
[  210.088309]  ? trace_hardirqs_on_caller+0xc0/0x300
[  210.088323]  ? syscall_return_slowpath+0x5e0/0x5e0
[  210.088337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.088352]  ? trace_hardirqs_off+0x300/0x300
[  210.088365]  ? trace_hardirqs_off_caller+0x300/0x300
[  210.088384]  ? prepare_exit_to_usermode+0x291/0x3b0
[  210.088399]  ? page_fault+0x8/0x30
[  210.088416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.088434]  ? page_fault+0x8/0x30
[  210.088450]  page_fault+0x1e/0x30
[  210.088461] RIP: 0033:0x45ddf3
[  210.088472] Code: Bad RIP value.
[  210.088481] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  210.088494] RAX: ffffffffffffff92 RBX: 000000003b9757ab RCX: 000000000045ddf3
[  210.088503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  210.088512] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  210.088520] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  210.088529] R13: 0000000000000008 R14: 0000000000000004 R15: ffffffffffffffff
[  215.066778] warn_alloc: 115995 callbacks suppressed
[  215.066798] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  215.070234] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  215.073028] syz-executor4 cpuset=
[  215.078474] ksoftirqd/1 cpuset=
[  215.082691] syz4 mems_allowed=0
[  215.087054] /
[  215.091979] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  215.091987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  215.091992] Call Trace:
[  215.092013]  dump_stack+0x1c4/0x2b4
[  215.092049]  ? dump_stack_print_info.cold.2+0x52/0x52
[  215.092082]  warn_alloc.cold.118+0xb7/0x1bd
[  215.096424]  mems_allowed=0
[  215.100396]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  223.692414]  ? lock_downgrade+0x900/0x900
[  223.696767]  ? trace_hardirqs_off+0xb8/0x300
[  223.701197]  ? trace_hardirqs_off+0xb8/0x300
[  223.705899]  __alloc_pages_slowpath+0x2667/0x2d80
[  223.710911]  ? warn_alloc+0x120/0x120
[  223.714734]  ? attach_entity_load_avg+0x860/0x860
[  223.719596]  ? warn_alloc+0x120/0x120
[  223.723417]  ? print_usage_bug+0xc0/0xc0
[  223.727493]  ? warn_alloc+0x120/0x120
[  223.731314]  ? print_usage_bug+0xc0/0xc0
[  223.735393]  ? rb_erase+0x3710/0x3710
[  223.739216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.744768]  ? should_fail+0x22d/0xd01
[  223.748671]  ? graph_lock+0x170/0x170
[  223.752492]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.757612]  ? __lock_acquire+0x7ec/0x4ec0
[  223.761864]  ? should_fail+0x22d/0xd01
[  223.765775]  ? mark_held_locks+0x130/0x130
[  223.770030]  ? mark_held_locks+0x130/0x130
[  223.774307]  ? __lock_acquire+0x7ec/0x4ec0
[  223.778560]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  223.784371]  ? graph_lock+0x170/0x170
[  223.788319]  ? graph_lock+0x170/0x170
[  223.792140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.797691]  ? check_preemption_disabled+0x48/0x200
[  223.802718]  ? check_preemption_disabled+0x48/0x200
[  223.807760]  ? __lock_is_held+0xb5/0x140
[  223.811845]  __alloc_pages_nodemask+0xa80/0xde0
[  223.816533]  ? graph_lock+0x170/0x170
[  223.820355]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  223.825387]  ? graph_lock+0x170/0x170
[  223.829216]  ? find_held_lock+0x36/0x1c0
[  223.833304]  ? ____cache_alloc_node+0x1c7/0x1e0
[  223.837989]  ? lock_downgrade+0x900/0x900
[  223.842163]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  223.847723]  cache_grow_begin+0x91/0x8c0
[  223.851801]  ? do_raw_spin_unlock+0xa7/0x2f0
[  223.856250]  fallback_alloc+0x203/0x2e0
[  223.860249]  ____cache_alloc_node+0x1c7/0x1e0
[  223.864768]  kmem_cache_alloc+0x1f8/0x730
[  223.868946]  skb_clone+0x1bb/0x500
[  223.872502]  ? finish_task_switch+0x2f5/0x900
[  223.877010]  ? skb_split+0x11e0/0x11e0
[  223.880939]  ? preempt_notifier_register+0x200/0x200
[  223.886079]  ? __switch_to_asm+0x34/0x70
[  223.890216]  ? __switch_to_asm+0x34/0x70
[  223.894310]  ? __switch_to_asm+0x40/0x70
[  223.898383]  ? __switch_to_asm+0x34/0x70
[  223.902454]  ? __switch_to_asm+0x40/0x70
[  223.906525]  ? __switch_to_asm+0x34/0x70
[  223.910597]  ? __switch_to_asm+0x40/0x70
[  223.914675]  ? __switch_to_asm+0x34/0x70
[  223.918841]  ? __switch_to_asm+0x34/0x70
[  223.922916]  ? __switch_to_asm+0x40/0x70
[  223.926990]  ? __switch_to_asm+0x34/0x70
[  223.931099]  bpf_clone_redirect+0xb9/0x490
[  223.935466]  ? __schedule+0x874/0x1ed0
[  223.939374]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  223.944463]  ? __sched_text_start+0x8/0x8
[  223.948626]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  223.953411]  ? find_held_lock+0x36/0x1c0
[  223.957598]  ? lock_acquire+0x1ed/0x520
[  223.961589]  ? bpf_test_run+0x32e/0x5a0
[  223.965578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.971131]  ? check_preemption_disabled+0x48/0x200
[  223.976167]  ? kasan_check_read+0x11/0x20
[  223.980333]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  223.985633]  ? rcu_bh_qs+0xc0/0xc0
[  223.989192]  ? preempt_schedule+0x4d/0x60
[  223.993357]  ? ___preempt_schedule+0x16/0x18
[  223.997791]  ? bpf_test_run+0x1c0/0x5a0
[  224.001799]  ? netlink_diag_dump+0x2a0/0x2a0
[  224.006225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.011774]  ? bpf_test_init.isra.9+0x70/0x100
[  224.016377]  ? bpf_prog_test_run_skb+0x634/0xb40
[  224.021161]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  224.026015]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  224.031589]  ? fput+0x130/0x1a0
[  224.034884]  ? __bpf_prog_get+0x9b/0x290
[  224.038960]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  224.043815]  ? bpf_prog_test_run+0x130/0x1a0
[  224.048265]  ? __x64_sys_bpf+0x3d8/0x510
[  224.052359]  ? bpf_prog_get+0x20/0x20
[  224.056205]  ? do_syscall_64+0x1b9/0x820
[  224.060285]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  224.065665]  ? syscall_return_slowpath+0x5e0/0x5e0
[  224.070610]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.075467]  ? trace_hardirqs_off+0x300/0x300
[  224.080104]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  224.085142]  ? prepare_exit_to_usermode+0x291/0x3b0
[  224.090186]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.095083]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  224.100478] warn_alloc_show_mem: 9 callbacks suppressed
[  224.100491] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  224.100493] Mem-Info:
[  224.100528] active_anon:44072 inactive_anon:951 isolated_anon:0
[  224.100528]  active_file:15 inactive_file:18 isolated_file:0
[  224.100528]  unevictable:0 dirty:0 writeback:0 unstable:0
[  224.100528]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  224.100528]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  224.100528]  free:13779 free_pcp:230 free_cma:0
[  224.105885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  224.112740] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  224.115151] Call Trace:
[  224.148124] Node 0 
[  224.157499]  dump_stack+0x1c4/0x2b4
[  224.185374] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  224.185384] lowmem_reserve[]:
[  224.187988]  ? dump_stack_print_info.cold.2+0x52/0x52
[  224.190204]  0 2815
[  224.193860]  warn_alloc.cold.118+0xb7/0x1bd
[  224.219336]  6318 6318
[  224.222468]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  224.227639] Node 0 
[  224.229885]  ? lock_downgrade+0x900/0x900
[  224.234218] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  224.236698]  ? trace_hardirqs_off+0xb8/0x300
[  224.241518] lowmem_reserve[]: 0
[  224.243774]  ? trace_hardirqs_off+0xb8/0x300
[  224.247907]  0
[  224.274996]  __alloc_pages_slowpath+0x2667/0x2d80
[  224.279388]  3503
[  224.282698]  ? warn_alloc+0x120/0x120
[  224.287115]  3503
[  224.288932]  ? rb_next+0x140/0x140
[  224.293759] Node 0 
[  224.295830]  ? warn_alloc+0x120/0x120
[  224.299649] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:508kB free_cma:0kB
[  224.301724]  ? print_usage_bug+0xc0/0xc0
[  224.305243] lowmem_reserve[]: 0
[  224.307497]  ? warn_alloc+0x120/0x120
[  224.311281]  0 0
[  224.339705]  ? __save_stack_trace+0x7d/0xf0
[  224.343749]  0
[  224.347068]  ? print_usage_bug+0xc0/0xc0
[  224.350855] Node 0 
[  224.352897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.357194] DMA: 1*4kB 
[  224.359013]  ? should_fail+0x22d/0xd01
[  224.363205] (U) 
[  224.365451]  ? __lock_acquire+0x7ec/0x4ec0
[  224.370967] 0*8kB 0*16kB 
[  224.373579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.377445] 1*32kB (U) 
[  224.379436]  ? __lock_acquire+0x7ec/0x4ec0
[  224.383650] 2*64kB (U) 
[  224.386439]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.391612] 1*128kB (U) 
[  224.394215]  ? __lock_acquire+0x7ec/0x4ec0
[  224.398430] 1*256kB (U) 
[  224.401032]  ? should_fail+0x22d/0xd01
[  224.406148] 0*512kB 1*1024kB 
[  224.408851]  ? mark_held_locks+0x130/0x130
[  224.413087] (U) 1*2048kB 
[  224.415847]  ? mark_held_locks+0x130/0x130
[  224.419713] (M) 3*4096kB 
[  224.422853]  ? graph_lock+0x170/0x170
[  224.427082] (M) = 15908kB
[  224.429865]  ? print_usage_bug+0xc0/0xc0
[  224.434192] Node 0 DMA32: 
[  224.436976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.440757] 1*4kB 
[  224.443529]  ? check_preemption_disabled+0x48/0x200
[  224.447572] (M) 3*8kB 
[  224.450434]  ? check_preemption_disabled+0x48/0x200
[  224.455956] (UM) 
[  224.458124]  ? __lock_is_held+0xb5/0x140
[  224.463116] 0*16kB 3*32kB 
[  224.465631]  __alloc_pages_nodemask+0xa80/0xde0
[  224.470629] (UM) 
[  224.472700]  ? graph_lock+0x170/0x170
[  224.476748] 2*64kB 
[  224.479602]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  224.484305] (M) 
[  224.486383]  ? graph_lock+0x170/0x170
[  224.490169] 5*128kB (UM) 
[  224.492431]  ? find_held_lock+0x36/0x1c0
[  224.497427] 3*256kB 
[  224.499414]  ? ____cache_alloc_node+0x1c7/0x1e0
[  224.503196] (M) 
[  224.506009]  ? lock_downgrade+0x900/0x900
[  224.510077] 4*512kB (M) 
[  224.512421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.517094] 3*1024kB 
[  224.519108]  cache_grow_begin+0x91/0x8c0
[  224.523236] (UM) 3*2048kB 
[  224.525924]  ? do_raw_spin_unlock+0xa7/0x2f0
[  224.531505] (M) 
[  224.533924]  fallback_alloc+0x203/0x2e0
[  224.538071] 3*4096kB 
[  224.540928]  ____cache_alloc_node+0x1c7/0x1e0
[  224.545466] (M) 
[  224.547454]  kmem_cache_alloc_node+0xe3/0x730
[  224.551409] = 25212kB
[  224.551419] Node 0 
[  224.553838]  ? ipv6_get_ifaddr+0x42e/0x620
[  224.558320] Normal: 
[  224.560313]  __alloc_skb+0x119/0x770
[  224.564787] 887*4kB 
[  224.567206]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.569566] (UME) 
[  224.573807]  ? skb_scrub_packet+0x490/0x490
[  224.576121] 378*8kB 
[  224.579839]  ? lock_downgrade+0x900/0x900
[  224.582151] (UMEH) 
[  224.587435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.589588] 172*16kB (UMEH) 
[  224.593924]  ? refcount_sub_and_test_checked+0x203/0x310
[  224.596231] 106*32kB (UMEH) 
[  224.600394]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  224.602613] 16*64kB (UMH) 
[  224.608664]  ? addrconf_rs_timer+0x6f0/0x6f0
[  224.611672] 0*128kB 
[  224.617138]  ndisc_alloc_skb+0x144/0x340
[  224.620130] 1*256kB (H) 
[  224.625601]  ndisc_send_rs+0x331/0x6e0
[  224.628425] 0*512kB 0*1024kB 
[  224.632851]  addrconf_rs_timer+0x3c0/0x6f0
[  224.635163] 0*2048kB 
[  224.639316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.641967] 0*4096kB = 13996kB
[  224.645881]  call_timer_fn+0x272/0x920
[  224.648972] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  224.653202]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.655608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  224.659840]  ? process_timeout+0x40/0x40
[  224.663019] 4508 total pagecache pages
[  224.666937]  ? find_held_lock+0x36/0x1c0
[  224.675762] 0 pages in swap cache
[  224.680003]  ? __run_timers+0x7da/0xc70
[  224.688709] Swap cache stats: add 0, delete 0, find 0/0
[  224.692777]  ? _raw_spin_unlock_irq+0x27/0x80
[  224.696650] Free swap  = 0kB
[  224.700714]  ? _raw_spin_unlock_irq+0x27/0x80
[  224.704147] Total swap = 0kB
[  224.704156] 1965979 pages RAM
[  224.708156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.713502] 0 pages HighMem/MovableOnly
[  224.713511] 343323 pages reserved
[  224.718133]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  224.721143] 0 pages cma reserved
[  224.725709]  ? trace_hardirqs_on+0xbd/0x310
[  224.729104] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  224.731826]  ? kasan_check_read+0x11/0x20
[  224.736315] syz-executor4 cpuset=
[  224.740301]  ? __run_timers+0x7da/0xc70
[  224.743738] syz4
[  224.748416]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  224.751805]  mems_allowed=0
[  224.756138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.792752]  __run_timers+0x7e5/0xc70
[  224.796588]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  224.801967]  ? compat_start_thread+0x80/0x80
[  224.806394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.811949]  ? kasan_check_write+0x14/0x20
[  224.816259]  ? finish_task_switch+0x2f5/0x900
[  224.820767]  ? __switch_to_asm+0x40/0x70
[  224.824851]  ? preempt_notifier_register+0x200/0x200
[  224.829973]  ? __switch_to_asm+0x34/0x70
[  224.834067]  ? __switch_to_asm+0x40/0x70
[  224.838143]  ? __switch_to_asm+0x34/0x70
[  224.842214]  ? __switch_to_asm+0x40/0x70
[  224.846287]  ? __switch_to_asm+0x34/0x70
[  224.850358]  ? __switch_to_asm+0x40/0x70
[  224.854443]  ? pvclock_read_flags+0x160/0x160
[  224.858956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.864509]  ? check_preemption_disabled+0x48/0x200
[  224.869546]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  224.875110]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.880403]  ? rcu_pm_notify+0xc0/0xc0
[  224.884309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.889860]  ? check_preemption_disabled+0x48/0x200
[  224.894897]  run_timer_softirq+0x52/0xb0
[  224.898969]  ? rcu_read_lock_sched_held+0x108/0x120
[  224.904005]  __do_softirq+0x30b/0xad8
[  224.907832]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  224.912963]  ? schedule+0x108/0x460
[  224.916607]  ? __schedule+0x1ed0/0x1ed0
[  224.920606]  ? trace_hardirqs_off+0xb8/0x300
[  224.925034]  ? ___might_sleep+0x1ed/0x300
[  224.929222]  ? smpboot_thread_fn+0x68b/0xa00
[  224.933651]  ? trace_hardirqs_on+0x310/0x310
[  224.938101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.943653]  ? check_preemption_disabled+0x48/0x200
[  224.948680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.954232]  ? takeover_tasklets+0xa90/0xa90
[  224.958657]  run_ksoftirqd+0x94/0x100
[  224.962480]  smpboot_thread_fn+0x68b/0xa00
[  224.966731]  ? sort_range+0x30/0x30
[  224.970374]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  224.975492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.981063]  ? __kthread_parkme+0xfb/0x1a0
[  224.985317]  kthread+0x35a/0x420
[  224.988746]  ? sort_range+0x30/0x30
[  224.992385]  ? kthread_bind+0x40/0x40
[  224.996218]  ret_from_fork+0x3a/0x50
[  224.999956] Mem-Info:
[  224.999970] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  224.999981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  225.002409] active_anon:44072 inactive_anon:951 isolated_anon:0
[  225.002409]  active_file:15 inactive_file:18 isolated_file:0
[  225.002409]  unevictable:0 dirty:0 writeback:0 unstable:0
[  225.002409]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  225.002409]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  225.002409]  free:13779 free_pcp:230 free_cma:0
[  225.009575] Call Trace:
[  225.018972] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  225.052099]  <IRQ>
[  225.054680] Node 0 
[  225.082445]  dump_stack+0x1c4/0x2b4
[  225.084607] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  225.086827]  ? dump_stack_print_info.cold.2+0x52/0x52
[  225.090497] lowmem_reserve[]:
[  225.116148]  warn_alloc.cold.118+0xb7/0x1bd
[  225.121369]  0
[  225.124479]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  225.128793]  2815
[  225.130604]  ? lock_downgrade+0x900/0x900
[  225.135431]  6318
[  225.137509]  ? trace_hardirqs_off+0xb8/0x300
[  225.141637]  6318
[  225.143704]  ? trace_hardirqs_off+0xb8/0x300
[  225.150181]  __alloc_pages_slowpath+0x2667/0x2d80
[  225.154573] Node 0 DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  225.159448]  ? warn_alloc+0x120/0x120
[  225.159468]  ? warn_alloc+0x120/0x120
[  225.186951] lowmem_reserve[]:
[  225.190904]  ? print_usage_bug+0xc0/0xc0
[  225.194682]  0 0
[  225.197798]  ? warn_alloc+0x120/0x120
[  225.201850]  3503
[  225.203830]  ? print_usage_bug+0xc0/0xc0
[  225.207614]  3503
[  225.209689]  ? graph_lock+0x170/0x170
[  225.213736] Node 0 
[  225.215803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.219614] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  225.221831]  ? should_fail+0x22d/0xd01
[  225.227353] lowmem_reserve[]:
[  225.255812]  ? __lock_acquire+0x7ec/0x4ec0
[  225.259686]  0
[  225.262800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.267083]  0
[  225.268890]  ? __lock_acquire+0x7ec/0x4ec0
[  225.273979]  0
[  225.275787]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.280004]  0
[  225.281808]  ? __lock_acquire+0x7ec/0x4ec0
[  225.288705]  ? should_fail+0x22d/0xd01
[  225.292924] Node 0 DMA: 
[  225.296819]  ? mark_held_locks+0x130/0x130
[  225.296823] 1*4kB (U) 
[  225.299505]  ? mark_held_locks+0x130/0x130
[  225.303725] 0*8kB 
[  225.306226]  ? try_to_wake_up+0x10a/0x12f0
[  225.310444] 0*16kB 
[  225.312612]  ? graph_lock+0x170/0x170
[  225.316827] 1*32kB (U) 
[  225.319101]  ? print_usage_bug+0xc0/0xc0
[  225.322889] 2*64kB 
[  225.325480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.329612] (U) 
[  225.331853]  ? check_preemption_disabled+0x48/0x200
[  225.337379] 1*128kB 
[  225.339359]  ? check_preemption_disabled+0x48/0x200
[  225.344374] (U) 
[  225.346710]  ? __lock_is_held+0xb5/0x140
[  225.351699] 1*256kB (U) 
[  225.353692]  __alloc_pages_nodemask+0xa80/0xde0
[  225.357737] 0*512kB 
[  225.360411]  ? graph_lock+0x170/0x170
[  225.365080] 1*1024kB (U) 
[  225.367423]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  225.371207] 1*2048kB (M) 
[  225.373974]  ? graph_lock+0x170/0x170
[  225.378969] 3*4096kB (M) 
[  225.381749]  ? find_held_lock+0x36/0x1c0
[  225.385524] = 15908kB
[  225.385533] Node 0 
[  225.388311]  ? ____cache_alloc_node+0x1c7/0x1e0
[  225.392342] DMA32: 1*4kB 
[  225.394766]  ? lock_downgrade+0x900/0x900
[  225.397068] (M) 3*8kB 
[  225.401754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.404496] (UM) 
[  225.408647]  cache_grow_begin+0x91/0x8c0
[  225.411135] 0*16kB 
[  225.416674]  ? do_raw_spin_unlock+0xa7/0x2f0
[  225.418849] 3*32kB (UM) 
[  225.422926]  fallback_alloc+0x203/0x2e0
[  225.425150] 2*64kB 
[  225.429563]  ____cache_alloc_node+0x1c7/0x1e0
[  225.432218] (M) 
[  225.436200]  kmem_cache_alloc_node+0xe3/0x730
[  225.438417] 5*128kB (UM) 
[  225.442925]  ? ipv6_get_ifaddr+0x42e/0x620
[  225.444883] 3*256kB (M) 
[  225.449395]  __alloc_skb+0x119/0x770
[  225.452135] 4*512kB 
[  225.456375]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  225.459026] (M) 
[  225.462770]  ? skb_scrub_packet+0x490/0x490
[  225.465094] 3*1024kB 
[  225.470431]  ? lock_downgrade+0x900/0x900
[  225.472393] (UM) 
[  225.477303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.479701] 3*2048kB 
[  225.483853]  ? refcount_sub_and_test_checked+0x203/0x310
[  225.485898] (M) 
[  225.491437]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  225.493826] 3*4096kB (M) 
[  225.499287]  ? addrconf_rs_timer+0x6f0/0x6f0
[  225.501246] = 25212kB
[  225.501255] Node 0 
[  225.506718]  ndisc_alloc_skb+0x144/0x340
[  225.509451] Normal: 
[  225.514000]  ndisc_send_rs+0x331/0x6e0
[  225.516401] 887*4kB 
[  225.518643]  addrconf_rs_timer+0x3c0/0x6f0
[  225.522686] (UME) 
[  225.525017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.528887] 378*8kB (UMEH) 
[  225.531234]  call_timer_fn+0x272/0x920
[  225.535439] 172*16kB (UMEH) 
[  225.537604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.541823] 106*32kB (UMEH) 
[  225.544909]  ? process_timeout+0x40/0x40
[  225.548775] 16*64kB (UMH) 
[  225.551807]  ? find_held_lock+0x36/0x1c0
[  225.556026] 0*128kB 
[  225.559101]  ? __run_timers+0x7da/0xc70
[  225.563142] 1*256kB 
[  225.565993]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.570035] (H) 
[  225.572387]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.576343] 0*512kB 0*1024kB 
[  225.579898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.584381] 0*2048kB 
[  225.586360]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  225.590834] 0*4096kB = 13996kB
[  225.593952]  ? trace_hardirqs_on+0xbd/0x310
[  225.598183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  225.600592]  ? kasan_check_read+0x11/0x20
[  225.605167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  225.608357]  ? __run_timers+0x7da/0xc70
[  225.612667] 4508 total pagecache pages
[  225.621505]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  225.625647] 0 pages in swap cache
[  225.634223]  ? tcp_compressed_ack_kick+0x220/0x220
[  225.638188] Swap cache stats: add 0, delete 0, find 0/0
[  225.642101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.647535] Free swap  = 0kB
[  225.651073]  __run_timers+0x7e5/0xc70
[  225.655988] Total swap = 0kB
[  225.661367]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  225.665579] 1965979 pages RAM
[  225.668605]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  225.672394] 0 pages HighMem/MovableOnly
[  225.675598]  ? graph_lock+0x170/0x170
[  225.681003] 343323 pages reserved
[  225.684115]  ? enqueue_hrtimer+0x1a5/0x560
[  225.689135] 0 pages cma reserved
[  225.693293]  ? lock_release+0x970/0x970
[  225.697266] net_ratelimit: 23 callbacks suppressed
[  225.697273] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  225.700606]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  225.700627]  ? find_held_lock+0x36/0x1c0
[  225.700645]  ? graph_lock+0x170/0x170
[  225.704926] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  225.708243]  ? pvclock_read_flags+0x160/0x160
[  225.712204] ksoftirqd/1 cpuset=
[  225.717138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.723615] /
[  225.728811]  ? check_preemption_disabled+0x48/0x200
[  225.732859]  mems_allowed=0
[  225.736667]  ? __lock_is_held+0xb5/0x140
[  225.774011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.779584]  ? check_preemption_disabled+0x48/0x200
[  225.784620]  run_timer_softirq+0x52/0xb0
[  225.788747]  ? rcu_read_lock_sched_held+0x108/0x120
[  225.793777]  __do_softirq+0x30b/0xad8
[  225.797681]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  225.802805]  ? pvclock_read_flags+0x160/0x160
[  225.807314]  ? lapic_next_event+0x5a/0x90
[  225.811472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.817022]  ? check_preemption_disabled+0x48/0x200
[  225.822099]  ? check_preemption_disabled+0x48/0x200
[  225.827229]  ? kvm_clock_read+0x18/0x30
[  225.831215]  ? kvm_sched_clock_read+0x9/0x20
[  225.835639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.841186]  ? check_preemption_disabled+0x48/0x200
[  225.846230]  irq_exit+0x17f/0x1c0
[  225.849700]  smp_apic_timer_interrupt+0x1cb/0x760
[  225.854554]  ? smp_reschedule_interrupt+0x109/0x650
[  225.859584]  ? smp_call_function_single_interrupt+0x650/0x650
[  225.865480]  ? interrupt_entry+0xb5/0xf0
[  225.869555]  ? trace_hardirqs_off_caller+0xbb/0x300
[  225.874582]  ? trace_hardirqs_off_caller+0xbb/0x300
[  225.879613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.884526]  ? trace_hardirqs_off+0x300/0x300
[  225.889036]  ? trace_hardirqs_off+0x300/0x300
[  225.893571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.899123]  ? check_preemption_disabled+0x48/0x200
[  225.904165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.909720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.914586]  apic_timer_interrupt+0xf/0x20
[  225.918986]  </IRQ>
[  225.921241] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  225.926182] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  225.945099] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  225.952818] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  225.960097] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  225.967375] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  225.974652] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  225.981939] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  225.989267]  skb_clone+0x1bb/0x500
[  225.992823]  ? finish_task_switch+0x2f5/0x900
[  225.997334]  ? skb_split+0x11e0/0x11e0
[  226.001241]  ? preempt_notifier_register+0x200/0x200
[  226.006367]  ? __switch_to_asm+0x34/0x70
[  226.010442]  ? __switch_to_asm+0x34/0x70
[  226.014514]  ? __switch_to_asm+0x40/0x70
[  226.018583]  ? __switch_to_asm+0x34/0x70
[  226.022655]  ? __switch_to_asm+0x40/0x70
[  226.026786]  ? __switch_to_asm+0x34/0x70
[  226.030857]  ? __switch_to_asm+0x40/0x70
[  226.034928]  ? __switch_to_asm+0x34/0x70
[  226.039002]  ? __switch_to_asm+0x34/0x70
[  226.043093]  ? __switch_to_asm+0x40/0x70
[  226.047164]  ? __switch_to_asm+0x34/0x70
[  226.051248]  bpf_clone_redirect+0xb9/0x490
[  226.055497]  ? __schedule+0x874/0x1ed0
[  226.059401]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  226.064434]  ? __sched_text_start+0x8/0x8
[  226.068593]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  226.073371]  ? find_held_lock+0x36/0x1c0
[  226.077452]  ? lock_acquire+0x1ed/0x520
[  226.081434]  ? bpf_test_run+0x32e/0x5a0
[  226.085422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.090970]  ? check_preemption_disabled+0x48/0x200
[  226.096006]  ? kasan_check_read+0x11/0x20
[  226.100169]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.105460]  ? rcu_bh_qs+0xc0/0xc0
[  226.109014]  ? preempt_schedule+0x4d/0x60
[  226.113202]  ? ___preempt_schedule+0x16/0x18
[  226.117629]  ? bpf_test_run+0x1c0/0x5a0
[  226.121627]  ? netlink_diag_dump+0x2a0/0x2a0
[  226.126161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.131707]  ? bpf_test_init.isra.9+0x70/0x100
[  226.136305]  ? bpf_prog_test_run_skb+0x634/0xb40
[  226.141101]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  226.145957]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  226.151506]  ? fput+0x130/0x1a0
[  226.154799]  ? __bpf_prog_get+0x9b/0x290
[  226.158872]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  226.163724]  ? bpf_prog_test_run+0x130/0x1a0
[  226.168180]  ? __x64_sys_bpf+0x3d8/0x510
[  226.172253]  ? bpf_prog_get+0x20/0x20
[  226.176106]  ? do_syscall_64+0x1b9/0x820
[  226.180179]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  226.185555]  ? syscall_return_slowpath+0x5e0/0x5e0
[  226.190495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.195361]  ? trace_hardirqs_off+0x300/0x300
[  226.199870]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  226.204900]  ? prepare_exit_to_usermode+0x291/0x3b0
[  226.209934]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.214800]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  226.220193] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  226.220273] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.227064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.227074] Call Trace:
[  226.233656] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.242933]  dump_stack+0x1c4/0x2b4
[  226.245516] syz-executor4 cpuset=
[  226.256005]  ? dump_stack_print_info.cold.2+0x52/0x52
[  226.259617] syz4
[  226.263110]  warn_alloc.cold.118+0xb7/0x1bd
[  226.268280]  mems_allowed=0
[  226.270259]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.283123]  ? lock_downgrade+0x900/0x900
[  226.287292]  ? trace_hardirqs_off+0xb8/0x300
[  226.291722]  ? trace_hardirqs_off+0xb8/0x300
[  226.296155]  __alloc_pages_slowpath+0x2667/0x2d80
[  226.301036]  ? lockdep_on+0x50/0x50
[  226.304709]  ? warn_alloc+0x120/0x120
[  226.308528]  ? warn_alloc+0x120/0x120
[  226.312350]  ? print_usage_bug+0xc0/0xc0
[  226.316427]  ? warn_alloc+0x120/0x120
[  226.320240]  ? print_usage_bug+0xc0/0xc0
[  226.324319]  ? __lock_acquire+0x7ec/0x4ec0
[  226.328572]  ? __lock_acquire+0x7ec/0x4ec0
[  226.332822]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.338371]  ? should_fail+0x22d/0xd01
[  226.342278]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.347392]  ? __lock_acquire+0x7ec/0x4ec0
[  226.351644]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.356759]  ? __lock_acquire+0x7ec/0x4ec0
[  226.361003]  ? should_fail+0x22d/0xd01
[  226.364913]  ? mark_held_locks+0x130/0x130
[  226.369163]  ? mark_held_locks+0x130/0x130
[  226.373409]  ? graph_lock+0x170/0x170
[  226.377224]  ? graph_lock+0x170/0x170
[  226.381039]  ? graph_lock+0x170/0x170
[  226.384877]  ? print_usage_bug+0xc0/0xc0
[  226.389013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.394593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.400143]  ? check_preemption_disabled+0x48/0x200
[  226.405236]  ? check_preemption_disabled+0x48/0x200
[  226.410366]  ? __lock_is_held+0xb5/0x140
[  226.414452]  __alloc_pages_nodemask+0xa80/0xde0
[  226.419140]  ? graph_lock+0x170/0x170
[  226.422986]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  226.428010]  ? graph_lock+0x170/0x170
[  226.431852]  ? find_held_lock+0x36/0x1c0
[  226.435941]  ? ____cache_alloc_node+0x1c7/0x1e0
[  226.440625]  ? lock_downgrade+0x900/0x900
[  226.444797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.450353]  cache_grow_begin+0x91/0x8c0
[  226.454429]  ? do_raw_spin_unlock+0xa7/0x2f0
[  226.458857]  fallback_alloc+0x203/0x2e0
[  226.462850]  ____cache_alloc_node+0x1c7/0x1e0
[  226.467363]  kmem_cache_alloc_node+0xe3/0x730
[  226.471872]  ? ipv6_get_ifaddr+0x42e/0x620
[  226.476130]  __alloc_skb+0x119/0x770
[  226.479860]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.485155]  ? skb_scrub_packet+0x490/0x490
[  226.489488]  ? lock_downgrade+0x900/0x900
[  226.493661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.499213]  ? refcount_sub_and_test_checked+0x203/0x310
[  226.504680]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  226.510146]  ? addrconf_rs_timer+0x6f0/0x6f0
[  226.514586]  ndisc_alloc_skb+0x144/0x340
[  226.518668]  ndisc_send_rs+0x331/0x6e0
[  226.522580]  addrconf_rs_timer+0x3c0/0x6f0
[  226.526838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.531119]  call_timer_fn+0x272/0x920
[  226.535019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.539291]  ? process_timeout+0x40/0x40
[  226.543363]  ? find_held_lock+0x36/0x1c0
[  226.547444]  ? __run_timers+0x7da/0xc70
[  226.551434]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.555944]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.560448]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.564697]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  226.569293]  ? trace_hardirqs_on+0xbd/0x310
[  226.573622]  ? kasan_check_read+0x11/0x20
[  226.577783]  ? __run_timers+0x7da/0xc70
[  226.581770]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  226.587238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.591498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.595747]  __run_timers+0x7e5/0xc70
[  226.599614]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  226.605524]  ? compat_start_thread+0x80/0x80
[  226.609960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.615520]  ? kasan_check_write+0x14/0x20
[  226.619773]  ? finish_task_switch+0x2f5/0x900
[  226.624278]  ? __switch_to_asm+0x40/0x70
[  226.628355]  ? preempt_notifier_register+0x200/0x200
[  226.633563]  ? __switch_to_asm+0x34/0x70
[  226.637638]  ? __switch_to_asm+0x40/0x70
[  226.641707]  ? __switch_to_asm+0x34/0x70
[  226.645780]  ? __switch_to_asm+0x40/0x70
[  226.649852]  ? __switch_to_asm+0x34/0x70
[  226.653923]  ? __switch_to_asm+0x40/0x70
[  226.658008]  ? pvclock_read_flags+0x160/0x160
[  226.662521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.668097]  ? check_preemption_disabled+0x48/0x200
[  226.673196]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  226.678752]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.684069]  ? rcu_pm_notify+0xc0/0xc0
[  226.687984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.693532]  ? check_preemption_disabled+0x48/0x200
[  226.698579]  run_timer_softirq+0x52/0xb0
[  226.702731]  ? rcu_read_lock_sched_held+0x108/0x120
[  226.707762]  __do_softirq+0x30b/0xad8
[  226.711595]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  226.716719]  ? schedule+0x108/0x460
[  226.720363]  ? __schedule+0x1ed0/0x1ed0
[  226.724355]  ? trace_hardirqs_off+0xb8/0x300
[  226.728779]  ? ___might_sleep+0x1ed/0x300
[  226.732942]  ? smpboot_thread_fn+0x68b/0xa00
[  226.737365]  ? trace_hardirqs_on+0x310/0x310
[  226.741787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.747341]  ? check_preemption_disabled+0x48/0x200
[  226.752373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.757925]  ? takeover_tasklets+0xa90/0xa90
[  226.762350]  run_ksoftirqd+0x94/0x100
[  226.766171]  smpboot_thread_fn+0x68b/0xa00
[  226.770419]  ? sort_range+0x30/0x30
[  226.774083]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  226.779201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.784750]  ? __kthread_parkme+0xfb/0x1a0
[  226.789002]  kthread+0x35a/0x420
[  226.792378]  ? sort_range+0x30/0x30
[  226.796015]  ? kthread_bind+0x40/0x40
[  226.799856]  ret_from_fork+0x3a/0x50
[  226.803606] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  226.803611] warn_alloc_show_mem: 1 callbacks suppressed
[  226.803618] Mem-Info:
[  226.810816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.816216] active_anon:44072 inactive_anon:951 isolated_anon:0
[  226.816216]  active_file:15 inactive_file:18 isolated_file:0
[  226.816216]  unevictable:0 dirty:0 writeback:0 unstable:0
[  226.816216]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  226.816216]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  226.816216]  free:13779 free_pcp:230 free_cma:0
[  226.818601] Call Trace:
[  226.828108] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  226.861074]  <IRQ>
[  226.863661] Node 0 
[  226.891431]  dump_stack+0x1c4/0x2b4
[  226.893596] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  226.895816]  ? dump_stack_print_info.cold.2+0x52/0x52
[  226.899429] lowmem_reserve[]:
[  226.924954]  warn_alloc.cold.118+0xb7/0x1bd
[  226.930124]  0
[  226.933236]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.937536]  2815 6318
[  226.939355]  ? lock_downgrade+0x900/0x900
[  226.944183]  6318
[  226.946689]  ? trace_hardirqs_off+0xb8/0x300
[  226.952901]  ? trace_hardirqs_off+0xb8/0x300
[  226.957295] Node 0 DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  226.961738]  __alloc_pages_slowpath+0x2667/0x2d80
[  226.961782]  ? warn_alloc+0x120/0x120
[  226.989324] lowmem_reserve[]: 0
[  226.994198]  ? trace_hardirqs_on+0x310/0x310
[  226.997969]  0 3503
[  227.001260]  ? warn_alloc+0x120/0x120
[  227.005648]  3503
[  227.007903]  ? print_usage_bug+0xc0/0xc0
[  227.011688] Node 0 
[  227.013756]  ? warn_alloc+0x120/0x120
[  227.017827] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  227.020071]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  227.023856] lowmem_reserve[]:
[  227.052234]  ? print_usage_bug+0xc0/0xc0
[  227.057236]  0
[  227.060347]  ? __lock_acquire+0x7ec/0x4ec0
[  227.064387]  0 0
[  227.066204]  ? __lock_acquire+0x7ec/0x4ec0
[  227.070425]  0
[  227.072408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.076625] Node 0 
[  227.078436]  ? should_fail+0x22d/0xd01
[  227.083958] DMA: 
[  227.086201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.090093] 1*4kB 
[  227.092159]  ? __lock_acquire+0x7ec/0x4ec0
[  227.097299] (U) 
[  227.099544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.103770] 0*8kB 
[  227.105750]  ? __lock_acquire+0x7ec/0x4ec0
[  227.110839] 0*16kB 
[  227.112997]  ? should_fail+0x22d/0xd01
[  227.117220] 1*32kB 
[  227.119462]  ? print_usage_bug+0xc0/0xc0
[  227.123344] (U) 
[  227.125594]  ? mark_held_locks+0x130/0x130
[  227.129636] 2*64kB 
[  227.131616]  ? mark_held_locks+0x130/0x130
[  227.135833] (U) 
[  227.138105]  ? graph_lock+0x170/0x170
[  227.142318] 1*128kB (U) 
[  227.144304]  ? print_usage_bug+0xc0/0xc0
[  227.148109] 1*256kB 
[  227.150785]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  227.154822] (U) 0*512kB 
[  227.157227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.161971] 1*1024kB 
[  227.164649]  ? check_preemption_disabled+0x48/0x200
[  227.170170] (U) 
[  227.172584]  ? check_preemption_disabled+0x48/0x200
[  227.177597] 1*2048kB (M) 
[  227.179703]  ? __lock_is_held+0xb5/0x140
[  227.184703] 3*4096kB 
[  227.187470]  __alloc_pages_nodemask+0xa80/0xde0
[  227.191504] (M) = 15908kB
[  227.194187]  ? graph_lock+0x170/0x170
[  227.198842] Node 0 
[  227.201604]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  227.205390] DMA32: 
[  227.207633]  ? graph_lock+0x170/0x170
[  227.212640] 1*4kB 
[  227.214943]  ? find_held_lock+0x36/0x1c0
[  227.218722] (M) 
[  227.220969]  ? ____cache_alloc_node+0x1c7/0x1e0
[  227.225008] 3*8kB (UM) 
[  227.226997]  ? lock_downgrade+0x900/0x900
[  227.231645] 0*16kB 3*32kB 
[  227.234249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.238377] (UM) 
[  227.241245]  cache_grow_begin+0x91/0x8c0
[  227.246767] 2*64kB 
[  227.248834]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.252881] (M) 
[  227.255138]  fallback_alloc+0x203/0x2e0
[  227.259610] 5*128kB (UM) 
[  227.261606]  ____cache_alloc_node+0x1c7/0x1e0
[  227.265563] 3*256kB 
[  227.268327]  kmem_cache_alloc_node+0xe3/0x730
[  227.272804] (M) 
[  227.275136]  ? ipv6_get_ifaddr+0x42e/0x620
[  227.279613] 4*512kB (M) 
[  227.281611]  __alloc_skb+0x119/0x770
[  227.285820] 3*1024kB (UM) 
[  227.288508]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.292197] 3*2048kB (M) 
[  227.295078]  ? skb_scrub_packet+0x490/0x490
[  227.300409] 3*4096kB (M) 
[  227.303181]  ? lock_downgrade+0x900/0x900
[  227.307482] = 25212kB
[  227.307490] Node 0 
[  227.310258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.314382] Normal: 887*4kB 
[  227.316804]  ? refcount_sub_and_test_checked+0x203/0x310
[  227.319021] (UME) 378*8kB 
[  227.324596]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  227.327599] (UMEH) 
[  227.333081]  ? addrconf_rs_timer+0x6f0/0x6f0
[  227.335905] 172*16kB (UMEH) 
[  227.341383]  ndisc_alloc_skb+0x144/0x340
[  227.343591] 106*32kB (UMEH) 
[  227.348017]  ndisc_send_rs+0x331/0x6e0
[  227.351019] 16*64kB (UMH) 
[  227.355278]  addrconf_rs_timer+0x3c0/0x6f0
[  227.358274] 0*128kB 1*256kB 
[  227.362179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.365008] (H) 
[  227.369309]  call_timer_fn+0x272/0x920
[  227.372310] 0*512kB 
[  227.376549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.378510] 0*1024kB 0*2048kB 
[  227.382410]  ? process_timeout+0x40/0x40
[  227.384719] 0*4096kB 
[  227.388955]  ? find_held_lock+0x36/0x1c0
[  227.392128] = 13996kB
[  227.392142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  227.396210]  ? __run_timers+0x7da/0xc70
[  227.398607] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  227.402668]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.405094] 4508 total pagecache pages
[  227.414116]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.418263] 0 pages in swap cache
[  227.426838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.431336] Swap cache stats: add 0, delete 0, find 0/0
[  227.435225]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  227.439708] Free swap  = 0kB
[  227.443165]  ? trace_hardirqs_on+0xbd/0x310
[  227.447384] Total swap = 0kB
[  227.452750]  ? kasan_check_read+0x11/0x20
[  227.457317] 1965979 pages RAM
[  227.460341]  ? __run_timers+0x7da/0xc70
[  227.464644] 0 pages HighMem/MovableOnly
[  227.467664]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  227.471800] 343323 pages reserved
[  227.475438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.479401] 0 pages cma reserved
[  227.483383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.488891] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  227.492271]  __run_timers+0x7e5/0xc70
[  227.492304]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  227.496591] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  227.499897]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  227.504208] ksoftirqd/1 cpuset=
[  227.510705]  ? graph_lock+0x170/0x170
[  227.514494] /
[  227.519860]  ? enqueue_hrtimer+0x1a5/0x560
[  227.530161]  mems_allowed=0
[  227.535176]  ? lock_release+0x970/0x970
[  227.555207]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  227.560416]  ? find_held_lock+0x36/0x1c0
[  227.564495]  ? graph_lock+0x170/0x170
[  227.568313]  ? pvclock_read_flags+0x160/0x160
[  227.572820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.578371]  ? check_preemption_disabled+0x48/0x200
[  227.584363]  ? __lock_is_held+0xb5/0x140
[  227.588439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.594003]  ? check_preemption_disabled+0x48/0x200
[  227.599070]  run_timer_softirq+0x52/0xb0
[  227.603146]  ? rcu_read_lock_sched_held+0x108/0x120
[  227.608176]  __do_softirq+0x30b/0xad8
[  227.612001]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  227.617122]  ? pvclock_read_flags+0x160/0x160
[  227.621628]  ? lapic_next_event+0x5a/0x90
[  227.625790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.631343]  ? check_preemption_disabled+0x48/0x200
[  227.636366]  ? check_preemption_disabled+0x48/0x200
[  227.641455]  ? kvm_clock_read+0x18/0x30
[  227.645443]  ? kvm_sched_clock_read+0x9/0x20
[  227.649959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.655509]  ? check_preemption_disabled+0x48/0x200
[  227.660551]  irq_exit+0x17f/0x1c0
[  227.664019]  smp_apic_timer_interrupt+0x1cb/0x760
[  227.668896]  ? smp_reschedule_interrupt+0x109/0x650
[  227.673927]  ? smp_call_function_single_interrupt+0x650/0x650
[  227.679821]  ? interrupt_entry+0xb5/0xf0
[  227.683895]  ? trace_hardirqs_off_caller+0xbb/0x300
[  227.688921]  ? trace_hardirqs_off_caller+0xbb/0x300
[  227.693952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.698858]  ? trace_hardirqs_off+0x300/0x300
[  227.703366]  ? trace_hardirqs_off+0x300/0x300
[  227.707873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.713423]  ? check_preemption_disabled+0x48/0x200
[  227.718453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.724013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.728902]  apic_timer_interrupt+0xf/0x20
[  227.733143]  </IRQ>
[  227.735395] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  227.740335] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  227.759248] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  227.766969] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  227.774251] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  227.781528] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  227.788807] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  227.796106] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  227.803429]  skb_clone+0x1bb/0x500
[  227.806983]  ? finish_task_switch+0x2f5/0x900
[  227.811493]  ? skb_split+0x11e0/0x11e0
[  227.815393]  ? preempt_notifier_register+0x200/0x200
[  227.820508]  ? __switch_to_asm+0x34/0x70
[  227.824667]  ? __switch_to_asm+0x34/0x70
[  227.828739]  ? __switch_to_asm+0x40/0x70
[  227.832807]  ? __switch_to_asm+0x34/0x70
[  227.836878]  ? __switch_to_asm+0x40/0x70
[  227.840949]  ? __switch_to_asm+0x34/0x70
[  227.845021]  ? __switch_to_asm+0x40/0x70
[  227.849118]  ? __switch_to_asm+0x34/0x70
[  227.853188]  ? __switch_to_asm+0x34/0x70
[  227.857261]  ? __switch_to_asm+0x40/0x70
[  227.861331]  ? __switch_to_asm+0x34/0x70
[  227.865415]  bpf_clone_redirect+0xb9/0x490
[  227.869665]  ? __schedule+0x874/0x1ed0
[  227.873568]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  227.878602]  ? __sched_text_start+0x8/0x8
[  227.882761]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  227.887545]  ? find_held_lock+0x36/0x1c0
[  227.891623]  ? lock_acquire+0x1ed/0x520
[  227.895608]  ? bpf_test_run+0x32e/0x5a0
[  227.899595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.905146]  ? check_preemption_disabled+0x48/0x200
[  227.910178]  ? kasan_check_read+0x11/0x20
[  227.914340]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.919632]  ? rcu_bh_qs+0xc0/0xc0
[  227.923189]  ? preempt_schedule+0x4d/0x60
[  227.927350]  ? ___preempt_schedule+0x16/0x18
[  227.931776]  ? bpf_test_run+0x1c0/0x5a0
[  227.935773]  ? netlink_diag_dump+0x2a0/0x2a0
[  227.940195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.945741]  ? bpf_test_init.isra.9+0x70/0x100
[  227.950342]  ? bpf_prog_test_run_skb+0x634/0xb40
[  227.955119]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  227.959976]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  227.965584]  ? fput+0x130/0x1a0
[  227.968876]  ? __bpf_prog_get+0x9b/0x290
[  227.972957]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  227.977810]  ? bpf_prog_test_run+0x130/0x1a0
[  227.982236]  ? __x64_sys_bpf+0x3d8/0x510
[  227.986312]  ? bpf_prog_get+0x20/0x20
[  227.990146]  ? do_syscall_64+0x1b9/0x820
[  227.994221]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  227.999597]  ? syscall_return_slowpath+0x5e0/0x5e0
[  228.004595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.009460]  ? trace_hardirqs_off+0x300/0x300
[  228.013967]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  228.018995]  ? prepare_exit_to_usermode+0x291/0x3b0
[  228.024040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.028930]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  228.034325] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  228.034398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.041173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.041179] Call Trace:
[  228.041197]  dump_stack+0x1c4/0x2b4
[  228.041218]  ? dump_stack_print_info.cold.2+0x52/0x52
[  228.047756] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.057095]  warn_alloc.cold.118+0xb7/0x1bd
[  228.059661] syz-executor4 cpuset=
[  228.063290]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  228.068465] syz4
[  228.078954]  ? lock_downgrade+0x900/0x900
[  228.083262]  mems_allowed=0
[  228.086722]  ? trace_hardirqs_off+0xb8/0x300
[  228.105041]  ? trace_hardirqs_off+0xb8/0x300
[  228.109504]  __alloc_pages_slowpath+0x2667/0x2d80
[  228.114385]  ? lockdep_on+0x50/0x50
[  228.118033]  ? warn_alloc+0x120/0x120
[  228.121889]  ? warn_alloc+0x120/0x120
[  228.125704]  ? print_usage_bug+0xc0/0xc0
[  228.129776]  ? warn_alloc+0x120/0x120
[  228.133592]  ? print_usage_bug+0xc0/0xc0
[  228.137667]  ? __lock_acquire+0x7ec/0x4ec0
[  228.141917]  ? __lock_acquire+0x7ec/0x4ec0
[  228.146170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.151723]  ? should_fail+0x22d/0xd01
[  228.155629]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.160743]  ? __lock_acquire+0x7ec/0x4ec0
[  228.164993]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.170112]  ? __lock_acquire+0x7ec/0x4ec0
[  228.174360]  ? should_fail+0x22d/0xd01
[  228.178270]  ? mark_held_locks+0x130/0x130
[  228.182519]  ? mark_held_locks+0x130/0x130
[  228.186768]  ? graph_lock+0x170/0x170
[  228.190587]  ? graph_lock+0x170/0x170
[  228.194402]  ? graph_lock+0x170/0x170
[  228.198214]  ? print_usage_bug+0xc0/0xc0
[  228.202286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.207834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.213384]  ? check_preemption_disabled+0x48/0x200
[  228.218411]  ? check_preemption_disabled+0x48/0x200
[  228.223452]  ? __lock_is_held+0xb5/0x140
[  228.227535]  __alloc_pages_nodemask+0xa80/0xde0
[  228.232222]  ? graph_lock+0x170/0x170
[  228.236041]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  228.241123]  ? graph_lock+0x170/0x170
[  228.244948]  ? find_held_lock+0x36/0x1c0
[  228.249033]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.253736]  ? lock_downgrade+0x900/0x900
[  228.257909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.263469]  cache_grow_begin+0x91/0x8c0
[  228.267547]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.271986]  fallback_alloc+0x203/0x2e0
[  228.275981]  ____cache_alloc_node+0x1c7/0x1e0
[  228.280498]  kmem_cache_alloc_node+0xe3/0x730
[  228.285006]  ? ipv6_get_ifaddr+0x42e/0x620
[  228.289356]  __alloc_skb+0x119/0x770
[  228.293104]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  228.298415]  ? skb_scrub_packet+0x490/0x490
[  228.302747]  ? lock_downgrade+0x900/0x900
[  228.306919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.312475]  ? refcount_sub_and_test_checked+0x203/0x310
[  228.317945]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  228.323412]  ? addrconf_rs_timer+0x6f0/0x6f0
[  228.327845]  ndisc_alloc_skb+0x144/0x340
[  228.331931]  ndisc_send_rs+0x331/0x6e0
[  228.335841]  addrconf_rs_timer+0x3c0/0x6f0
[  228.340113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.344472]  call_timer_fn+0x272/0x920
[  228.348374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.352674]  ? process_timeout+0x40/0x40
[  228.356746]  ? find_held_lock+0x36/0x1c0
[  228.360835]  ? __run_timers+0x7da/0xc70
[  228.364827]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.369338]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.373900]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.378151]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  228.382749]  ? trace_hardirqs_on+0xbd/0x310
[  228.387104]  ? kasan_check_read+0x11/0x20
[  228.391263]  ? __run_timers+0x7da/0xc70
[  228.395255]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  228.400727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.404982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.409230]  __run_timers+0x7e5/0xc70
[  228.413082]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  228.418460]  ? compat_start_thread+0x80/0x80
[  228.422884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.428440]  ? kasan_check_write+0x14/0x20
[  228.432692]  ? finish_task_switch+0x2f5/0x900
[  228.437207]  ? __switch_to_asm+0x40/0x70
[  228.441294]  ? preempt_notifier_register+0x200/0x200
[  228.446543]  ? __switch_to_asm+0x34/0x70
[  228.450618]  ? __switch_to_asm+0x40/0x70
[  228.454689]  ? __switch_to_asm+0x34/0x70
[  228.458775]  ? __switch_to_asm+0x40/0x70
[  228.462939]  ? __switch_to_asm+0x34/0x70
[  228.467009]  ? __switch_to_asm+0x40/0x70
[  228.471113]  ? pvclock_read_flags+0x160/0x160
[  228.475636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.481189]  ? check_preemption_disabled+0x48/0x200
[  228.486229]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  228.491784]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  228.497098]  ? rcu_pm_notify+0xc0/0xc0
[  228.501004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.506553]  ? check_preemption_disabled+0x48/0x200
[  228.511598]  run_timer_softirq+0x52/0xb0
[  228.515675]  ? rcu_read_lock_sched_held+0x108/0x120
[  228.520794]  __do_softirq+0x30b/0xad8
[  228.524620]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  228.529747]  ? schedule+0x108/0x460
[  228.533390]  ? __schedule+0x1ed0/0x1ed0
[  228.537385]  ? trace_hardirqs_off+0xb8/0x300
[  228.541811]  ? ___might_sleep+0x1ed/0x300
[  228.545971]  ? smpboot_thread_fn+0x68b/0xa00
[  228.550395]  ? trace_hardirqs_on+0x310/0x310
[  228.554817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.560367]  ? check_preemption_disabled+0x48/0x200
[  228.565398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.570953]  ? takeover_tasklets+0xa90/0xa90
[  228.575380]  run_ksoftirqd+0x94/0x100
[  228.579195]  smpboot_thread_fn+0x68b/0xa00
[  228.583445]  ? sort_range+0x30/0x30
[  228.587111]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.592236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.597789]  ? __kthread_parkme+0xfb/0x1a0
[  228.602071]  kthread+0x35a/0x420
[  228.605986]  ? sort_range+0x30/0x30
[  228.609630]  ? kthread_bind+0x40/0x40
[  228.613450]  ret_from_fork+0x3a/0x50
[  228.617199] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  228.617204] warn_alloc_show_mem: 1 callbacks suppressed
[  228.617212] Mem-Info:
[  228.624402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.624410] Call Trace:
[  228.629794] active_anon:44072 inactive_anon:951 isolated_anon:0
[  228.629794]  active_file:15 inactive_file:18 isolated_file:0
[  228.629794]  unevictable:0 dirty:0 writeback:0 unstable:0
[  228.629794]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  228.629794]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  228.629794]  free:13779 free_pcp:230 free_cma:0
[  228.632181]  <IRQ>
[  228.641553] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  228.644196]  dump_stack+0x1c4/0x2b4
[  228.677324] Node 0 
[  228.679482]  ? dump_stack_print_info.cold.2+0x52/0x52
[  228.707253] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  228.710884]  warn_alloc.cold.118+0xb7/0x1bd
[  228.713105] lowmem_reserve[]:
[  228.718301]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  228.743883]  0
[  228.748214]  ? lock_downgrade+0x900/0x900
[  228.751300]  2815
[  228.756150]  ? trace_hardirqs_off+0xb8/0x300
[  228.757930]  6318 6318
[  228.762111]  ? trace_hardirqs_off+0xb8/0x300
[  228.768663]  __alloc_pages_slowpath+0x2667/0x2d80
[  228.771144] Node 0 
[  228.775580]  ? warn_alloc+0x120/0x120
[  228.780410] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  228.782627]  ? warn_alloc+0x120/0x120
[  228.786404] lowmem_reserve[]: 0
[  228.813365]  ? print_usage_bug+0xc0/0xc0
[  228.817153]  0
[  228.820437]  ? warn_alloc+0x120/0x120
[  228.824481]  3503 3503
[  228.826298]  ? print_usage_bug+0xc0/0xc0
[  228.832607]  ? __lock_acquire+0x7ec/0x4ec0
[  228.836652] Node 0 
[  228.840886]  ? __lock_acquire+0x7ec/0x4ec0
[  228.840922] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  228.843141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.847357] lowmem_reserve[]:
[  228.875731]  ? should_fail+0x22d/0xd01
[  228.881251]  0
[  228.884361]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.888234]  0
[  228.890040]  ? __lock_acquire+0x7ec/0x4ec0
[  228.895149]  0
[  228.896956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.901177]  0
[  228.902983]  ? __lock_acquire+0x7ec/0x4ec0
[  228.909913]  ? should_fail+0x22d/0xd01
[  228.914137] Node 0 DMA: 
[  228.918033]  ? mark_held_locks+0x130/0x130
[  228.918037] 1*4kB (U) 
[  228.920748]  ? mark_held_locks+0x130/0x130
[  228.924966] 0*8kB 
[  228.927464]  ? graph_lock+0x170/0x170
[  228.931685] 0*16kB 
[  228.933835]  ? graph_lock+0x170/0x170
[  228.937625] 1*32kB 
[  228.939865]  ? graph_lock+0x170/0x170
[  228.943654] (U) 
[  228.945898]  ? print_usage_bug+0xc0/0xc0
[  228.949688] 2*64kB 
[  228.951667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.955708] (U) 
[  228.957951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.963531] 1*128kB 
[  228.965510]  ? check_preemption_disabled+0x48/0x200
[  228.971030] (U) 
[  228.973382]  ? check_preemption_disabled+0x48/0x200
[  228.978377] 1*256kB (U) 
[  228.980375]  ? __lock_is_held+0xb5/0x140
[  228.985368] 0*512kB 
[  228.988068]  __alloc_pages_nodemask+0xa80/0xde0
[  228.992110] 1*1024kB 
[  228.994432]  ? graph_lock+0x170/0x170
[  228.999098] (U) 
[  229.001519]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  229.005303] 1*2048kB (M) 
[  229.007293]  ? graph_lock+0x170/0x170
[  229.012291] 3*4096kB (M) 
[  229.015090]  ? find_held_lock+0x36/0x1c0
[  229.018871] = 15908kB
[  229.021646]  ? ____cache_alloc_node+0x1c7/0x1e0
[  229.025686] Node 0 
[  229.028114]  ? lock_downgrade+0x900/0x900
[  229.032761] DMA32: 1*4kB 
[  229.035014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.039142] (M) 
[  229.041909]  cache_grow_begin+0x91/0x8c0
[  229.047425] 3*8kB (UM) 
[  229.049414]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.053459] 0*16kB 
[  229.056080]  fallback_alloc+0x203/0x2e0
[  229.060468] 3*32kB 
[  229.062710]  ____cache_alloc_node+0x1c7/0x1e0
[  229.066665] (UM) 
[  229.068938]  kmem_cache_alloc_node+0xe3/0x730
[  229.073409] 2*64kB (M) 
[  229.075547]  ? ipv6_get_ifaddr+0x42e/0x620
[  229.080029] 5*128kB (UM) 
[  229.082658]  __alloc_skb+0x119/0x770
[  229.087006] 3*256kB 
[  229.089826]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.093523] (M) 
[  229.095851]  ? skb_scrub_packet+0x490/0x490
[  229.101120] 4*512kB 
[  229.103106]  ? lock_downgrade+0x900/0x900
[  229.107410] (M) 
[  229.109742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.113866] 3*1024kB (UM) 
[  229.115855]  ? refcount_sub_and_test_checked+0x203/0x310
[  229.121434] 3*2048kB 
[  229.124291]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  229.129724] (M) 
[  229.132151]  ? addrconf_rs_timer+0x6f0/0x6f0
[  229.137585] 3*4096kB 
[  229.139574]  ndisc_alloc_skb+0x144/0x340
[  229.143962] (M) 
[  229.146381]  ndisc_send_rs+0x331/0x6e0
[  229.150428] = 25212kB
[  229.152410]  addrconf_rs_timer+0x3c0/0x6f0
[  229.156279] Node 0 
[  229.158697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.162969] Normal: 
[  229.165307]  call_timer_fn+0x272/0x920
[  229.169519] 887*4kB 
[  229.171842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.175711] (UME) 
[  229.178038]  ? process_timeout+0x40/0x40
[  229.182272] 378*8kB (UMEH) 
[  229.184434]  ? find_held_lock+0x36/0x1c0
[  229.188478] 172*16kB (UMEH) 
[  229.191430]  ? __run_timers+0x7da/0xc70
[  229.195474] 106*32kB 
[  229.198495]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.202450] (UMEH) 
[  229.204864]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.209341] 16*64kB (UMH) 
[  229.211591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.216152] 0*128kB 1*256kB 
[  229.219014]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  229.223232] (H) 
[  229.226258]  ? trace_hardirqs_on+0xbd/0x310
[  229.230823] 0*512kB 
[  229.232803]  ? kasan_check_read+0x11/0x20
[  229.237337] 0*1024kB 0*2048kB 
[  229.239680]  ? __run_timers+0x7da/0xc70
[  229.243804] 0*4096kB = 13996kB
[  229.247007]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.250971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  229.254171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.259609] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  229.268447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.272668] 4508 total pagecache pages
[  229.281336]  __run_timers+0x7e5/0xc70
[  229.285566] 0 pages in swap cache
[  229.289457]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  229.293235] Swap cache stats: add 0, delete 0, find 0/0
[  229.296687]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  229.302032] Free swap  = 0kB
[  229.307427]  ? graph_lock+0x170/0x170
[  229.312428] Total swap = 0kB
[  229.315450]  ? enqueue_hrtimer+0x1a5/0x560
[  229.319240] 1965979 pages RAM
[  229.322263]  ? lock_release+0x970/0x970
[  229.326568] 0 pages HighMem/MovableOnly
[  229.326577] 343323 pages reserved
[  229.329756]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  229.333717] 0 pages cma reserved
[  229.337695]  ? find_held_lock+0x36/0x1c0
[  229.341201] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  229.346460]  ? graph_lock+0x170/0x170
[  229.349875] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.353880]  ? pvclock_read_flags+0x160/0x160
[  229.360356] ksoftirqd/1 cpuset=
[  229.364180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.374475] /
[  229.378976]  ? check_preemption_disabled+0x48/0x200
[  229.382242]  mems_allowed=0
[  229.387912]  ? __lock_is_held+0xb5/0x140
[  229.401712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.407265]  ? check_preemption_disabled+0x48/0x200
[  229.412412]  run_timer_softirq+0x52/0xb0
[  229.416485]  ? rcu_read_lock_sched_held+0x108/0x120
[  229.421516]  __do_softirq+0x30b/0xad8
[  229.425343]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  229.430466]  ? pvclock_read_flags+0x160/0x160
[  229.434993]  ? lapic_next_event+0x5a/0x90
[  229.439155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.444817]  ? check_preemption_disabled+0x48/0x200
[  229.449844]  ? check_preemption_disabled+0x48/0x200
[  229.455015]  ? kvm_clock_read+0x18/0x30
[  229.459027]  ? kvm_sched_clock_read+0x9/0x20
[  229.463480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.469027]  ? check_preemption_disabled+0x48/0x200
[  229.474648]  irq_exit+0x17f/0x1c0
[  229.478127]  smp_apic_timer_interrupt+0x1cb/0x760
[  229.482982]  ? smp_reschedule_interrupt+0x109/0x650
[  229.488013]  ? smp_call_function_single_interrupt+0x650/0x650
[  229.493936]  ? interrupt_entry+0xb5/0xf0
[  229.498011]  ? trace_hardirqs_off_caller+0xbb/0x300
[  229.503038]  ? trace_hardirqs_off_caller+0xbb/0x300
[  229.508111]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.512964]  ? trace_hardirqs_off+0x300/0x300
[  229.517468]  ? trace_hardirqs_off+0x300/0x300
[  229.521973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.527521]  ? check_preemption_disabled+0x48/0x200
[  229.532550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.538121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.542985]  apic_timer_interrupt+0xf/0x20
[  229.547311]  </IRQ>
[  229.549568] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  229.554510] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  229.573419] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  229.581139] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  229.588418] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  229.595699] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  229.602975] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  229.610257] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  229.617580]  skb_clone+0x1bb/0x500
[  229.621139]  ? finish_task_switch+0x2f5/0x900
[  229.625659]  ? skb_split+0x11e0/0x11e0
[  229.629560]  ? preempt_notifier_register+0x200/0x200
[  229.634675]  ? __switch_to_asm+0x34/0x70
[  229.638746]  ? __switch_to_asm+0x34/0x70
[  229.642869]  ? __switch_to_asm+0x40/0x70
[  229.646939]  ? __switch_to_asm+0x34/0x70
[  229.651008]  ? __switch_to_asm+0x40/0x70
[  229.655101]  ? __switch_to_asm+0x34/0x70
[  229.659347]  ? __switch_to_asm+0x40/0x70
[  229.663422]  ? __switch_to_asm+0x34/0x70
[  229.667582]  ? __switch_to_asm+0x34/0x70
[  229.671654]  ? __switch_to_asm+0x40/0x70
[  229.675726]  ? __switch_to_asm+0x34/0x70
[  229.679804]  bpf_clone_redirect+0xb9/0x490
[  229.684076]  ? __schedule+0x874/0x1ed0
[  229.687987]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  229.693019]  ? __sched_text_start+0x8/0x8
[  229.697214]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  229.701998]  ? find_held_lock+0x36/0x1c0
[  229.706101]  ? lock_acquire+0x1ed/0x520
[  229.710105]  ? bpf_test_run+0x32e/0x5a0
[  229.714116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.719663]  ? check_preemption_disabled+0x48/0x200
[  229.724694]  ? kasan_check_read+0x11/0x20
[  229.728858]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.734209]  ? rcu_bh_qs+0xc0/0xc0
[  229.737766]  ? preempt_schedule+0x4d/0x60
[  229.741928]  ? ___preempt_schedule+0x16/0x18
[  229.746359]  ? bpf_test_run+0x1c0/0x5a0
[  229.750355]  ? netlink_diag_dump+0x2a0/0x2a0
[  229.754780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.760416]  ? bpf_test_init.isra.9+0x70/0x100
[  229.765024]  ? bpf_prog_test_run_skb+0x634/0xb40
[  229.769826]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  229.774683]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  229.780235]  ? fput+0x130/0x1a0
[  229.783528]  ? __bpf_prog_get+0x9b/0x290
[  229.787610]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  229.792468]  ? bpf_prog_test_run+0x130/0x1a0
[  229.796890]  ? __x64_sys_bpf+0x3d8/0x510
[  229.800962]  ? bpf_prog_get+0x20/0x20
[  229.804797]  ? do_syscall_64+0x1b9/0x820
[  229.808868]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  229.814247]  ? syscall_return_slowpath+0x5e0/0x5e0
[  229.819191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.824078]  ? trace_hardirqs_off+0x300/0x300
[  229.828590]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  229.833619]  ? prepare_exit_to_usermode+0x291/0x3b0
[  229.838651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.843517]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  229.848914] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  229.849010] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  229.855771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  229.855776] Call Trace:
[  229.855795]  dump_stack+0x1c4/0x2b4
[  229.855812]  ? dump_stack_print_info.cold.2+0x52/0x52
[  229.855838]  warn_alloc.cold.118+0xb7/0x1bd
[  229.862536] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.871813]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  229.874385] syz-executor4 cpuset=
[  229.878014]  ? lock_downgrade+0x900/0x900
[  229.883188] syz4
[  229.887518]  ? trace_hardirqs_off+0xb8/0x300
[  229.897990]  mems_allowed=0
[  229.902838]  ? trace_hardirqs_off+0xb8/0x300
[  229.924148]  __alloc_pages_slowpath+0x2667/0x2d80
[  229.929029]  ? lockdep_on+0x50/0x50
[  229.932696]  ? warn_alloc+0x120/0x120
[  229.936514]  ? warn_alloc+0x120/0x120
[  229.940328]  ? print_usage_bug+0xc0/0xc0
[  229.944405]  ? warn_alloc+0x120/0x120
[  229.948218]  ? print_usage_bug+0xc0/0xc0
[  229.952293]  ? __lock_acquire+0x7ec/0x4ec0
[  229.956542]  ? __lock_acquire+0x7ec/0x4ec0
[  229.960800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.966349]  ? should_fail+0x22d/0xd01
[  229.970252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.975370]  ? __lock_acquire+0x7ec/0x4ec0
[  229.979623]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.984734]  ? __lock_acquire+0x7ec/0x4ec0
[  229.988982]  ? should_fail+0x22d/0xd01
[  229.992890]  ? mark_held_locks+0x130/0x130
[  229.997144]  ? mark_held_locks+0x130/0x130
[  230.001394]  ? graph_lock+0x170/0x170
[  230.005229]  ? graph_lock+0x170/0x170
[  230.009070]  ? graph_lock+0x170/0x170
[  230.012886]  ? print_usage_bug+0xc0/0xc0
[  230.016957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.022510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.028079]  ? check_preemption_disabled+0x48/0x200
[  230.033108]  ? check_preemption_disabled+0x48/0x200
[  230.038151]  ? __lock_is_held+0xb5/0x140
[  230.042234]  __alloc_pages_nodemask+0xa80/0xde0
[  230.047105]  ? graph_lock+0x170/0x170
[  230.050921]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  230.055949]  ? graph_lock+0x170/0x170
[  230.059775]  ? find_held_lock+0x36/0x1c0
[  230.063860]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.068544]  ? lock_downgrade+0x900/0x900
[  230.072720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.078274]  cache_grow_begin+0x91/0x8c0
[  230.082348]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.086780]  fallback_alloc+0x203/0x2e0
[  230.090779]  ____cache_alloc_node+0x1c7/0x1e0
[  230.095296]  kmem_cache_alloc_node+0xe3/0x730
[  230.099804]  ? ipv6_get_ifaddr+0x42e/0x620
[  230.104086]  __alloc_skb+0x119/0x770
[  230.107819]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.113198]  ? skb_scrub_packet+0x490/0x490
[  230.117535]  ? lock_downgrade+0x900/0x900
[  230.121707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.127256]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.132721]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.138187]  ? addrconf_rs_timer+0x6f0/0x6f0
[  230.142623]  ndisc_alloc_skb+0x144/0x340
[  230.146702]  ndisc_send_rs+0x331/0x6e0
[  230.150609]  addrconf_rs_timer+0x3c0/0x6f0
[  230.154863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.159129]  call_timer_fn+0x272/0x920
[  230.163028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.167297]  ? process_timeout+0x40/0x40
[  230.171367]  ? find_held_lock+0x36/0x1c0
[  230.175448]  ? __run_timers+0x7da/0xc70
[  230.179438]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.183946]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.188450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.192700]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  230.197297]  ? trace_hardirqs_on+0xbd/0x310
[  230.201626]  ? kasan_check_read+0x11/0x20
[  230.205787]  ? __run_timers+0x7da/0xc70
[  230.209777]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.215325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.219584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.223834]  __run_timers+0x7e5/0xc70
[  230.228543]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  230.233924]  ? compat_start_thread+0x80/0x80
[  230.238351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.243912]  ? kasan_check_write+0x14/0x20
[  230.248161]  ? finish_task_switch+0x2f5/0x900
[  230.252670]  ? __switch_to_asm+0x40/0x70
[  230.256747]  ? preempt_notifier_register+0x200/0x200
[  230.261864]  ? __switch_to_asm+0x34/0x70
[  230.265933]  ? __switch_to_asm+0x40/0x70
[  230.270001]  ? __switch_to_asm+0x34/0x70
[  230.274092]  ? __switch_to_asm+0x40/0x70
[  230.278163]  ? __switch_to_asm+0x34/0x70
[  230.282236]  ? __switch_to_asm+0x40/0x70
[  230.286318]  ? pvclock_read_flags+0x160/0x160
[  230.290825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.296374]  ? check_preemption_disabled+0x48/0x200
[  230.301411]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  230.306976]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.312266]  ? rcu_pm_notify+0xc0/0xc0
[  230.316171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.321721]  ? check_preemption_disabled+0x48/0x200
[  230.326758]  run_timer_softirq+0x52/0xb0
[  230.330920]  ? rcu_read_lock_sched_held+0x108/0x120
[  230.335953]  __do_softirq+0x30b/0xad8
[  230.339781]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  230.344908]  ? schedule+0x108/0x460
[  230.348552]  ? __schedule+0x1ed0/0x1ed0
[  230.352554]  ? trace_hardirqs_off+0xb8/0x300
[  230.356983]  ? ___might_sleep+0x1ed/0x300
[  230.361142]  ? smpboot_thread_fn+0x68b/0xa00
[  230.365572]  ? trace_hardirqs_on+0x310/0x310
[  230.369994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.375546]  ? check_preemption_disabled+0x48/0x200
[  230.380581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.386139]  ? takeover_tasklets+0xa90/0xa90
[  230.390570]  run_ksoftirqd+0x94/0x100
[  230.394388]  smpboot_thread_fn+0x68b/0xa00
[  230.398642]  ? sort_range+0x30/0x30
[  230.402285]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.407403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.412957]  ? __kthread_parkme+0xfb/0x1a0
[  230.417266]  kthread+0x35a/0x420
[  230.420646]  ? sort_range+0x30/0x30
[  230.424283]  ? kthread_bind+0x40/0x40
[  230.428173]  ret_from_fork+0x3a/0x50
[  230.431922] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  230.431928] warn_alloc_show_mem: 1 callbacks suppressed
[  230.431935] Mem-Info:
[  230.439131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  230.444511] active_anon:44072 inactive_anon:951 isolated_anon:0
[  230.444511]  active_file:15 inactive_file:18 isolated_file:0
[  230.444511]  unevictable:0 dirty:0 writeback:0 unstable:0
[  230.444511]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  230.444511]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  230.444511]  free:13779 free_pcp:230 free_cma:0
[  230.446895] Call Trace:
[  230.456296] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  230.489249]  <IRQ>
[  230.491833] Node 0 
[  230.519747]  dump_stack+0x1c4/0x2b4
[  230.521907] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  230.524129]  ? dump_stack_print_info.cold.2+0x52/0x52
[  230.527737] lowmem_reserve[]: 0
[  230.553328]  warn_alloc.cold.118+0xb7/0x1bd
[  230.558500]  2815
[  230.561787]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  230.566102]  6318
[  230.568169]  ? lock_downgrade+0x900/0x900
[  230.572989]  6318
[  230.575094]  ? trace_hardirqs_off+0xb8/0x300
[  230.579223] Node 0 
[  230.581296]  ? trace_hardirqs_off+0xb8/0x300
[  230.585717] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  230.587943]  __alloc_pages_slowpath+0x2667/0x2d80
[  230.592332] lowmem_reserve[]:
[  230.619656]  ? warn_alloc+0x120/0x120
[  230.624463]  0
[  230.627580]  ? trace_hardirqs_on+0x310/0x310
[  230.631363]  0
[  230.633177]  ? warn_alloc+0x120/0x120
[  230.637744]  3503
[  230.639551]  ? print_usage_bug+0xc0/0xc0
[  230.643339]  3503
[  230.645405]  ? warn_alloc+0x120/0x120
[  230.651521]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  230.655359] Node 0 
[  230.660374]  ? print_usage_bug+0xc0/0xc0
[  230.660406] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  230.660413] lowmem_reserve[]:
[  230.662655]  ? __lock_acquire+0x7ec/0x4ec0
[  230.666702]  0
[  230.695100]  ? __lock_acquire+0x7ec/0x4ec0
[  230.698187]  0 0
[  230.702436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.704227]  0
[  230.708469]  ? should_fail+0x22d/0xd01
[  230.715973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.717761] Node 0 
[  230.721652]  ? __lock_acquire+0x7ec/0x4ec0
[  230.726743] DMA: 
[  230.728988]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.733212] 1*4kB 
[  230.735282]  ? __lock_acquire+0x7ec/0x4ec0
[  230.740367] (U) 
[  230.742520]  ? should_fail+0x22d/0xd01
[  230.746739] 0*8kB 
[  230.748718]  ? print_usage_bug+0xc0/0xc0
[  230.752594] 0*16kB 
[  230.754752]  ? mark_held_locks+0x130/0x130
[  230.758794] 1*32kB 
[  230.761035]  ? mark_held_locks+0x130/0x130
[  230.765278] (U) 
[  230.767522]  ? graph_lock+0x170/0x170
[  230.771741] 2*64kB 
[  230.773812]  ? print_usage_bug+0xc0/0xc0
[  230.777600] (U) 
[  230.779845]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  230.783893] 1*128kB 
[  230.785880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.790620] (U) 
[  230.792948]  ? check_preemption_disabled+0x48/0x200
[  230.798469] 1*256kB (U) 
[  230.800515]  ? check_preemption_disabled+0x48/0x200
[  230.805520] 0*512kB 
[  230.808204]  ? __lock_is_held+0xb5/0x140
[  230.813198] 1*1024kB 
[  230.815528]  __alloc_pages_nodemask+0xa80/0xde0
[  230.819573] (U) 
[  230.821987]  ? graph_lock+0x170/0x170
[  230.826637] 1*2048kB (M) 
[  230.828628]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  230.832414] 3*4096kB 
[  230.835217]  ? graph_lock+0x170/0x170
[  230.840219] (M) 
[  230.842646]  ? find_held_lock+0x36/0x1c0
[  230.846456] = 15908kB
[  230.848444]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.852488] Node 0 
[  230.854915]  ? lock_downgrade+0x900/0x900
[  230.859566] DMA32: 1*4kB 
[  230.861820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.865949] (M) 
[  230.868716]  cache_grow_begin+0x91/0x8c0
[  230.874238] 3*8kB 
[  230.876221]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.880265] (UM) 
[  230.882425]  fallback_alloc+0x203/0x2e0
[  230.886818] 0*16kB 
[  230.888890]  ____cache_alloc_node+0x1c7/0x1e0
[  230.892849] 3*32kB 
[  230.895112]  kmem_cache_alloc_node+0xe3/0x730
[  230.899596] (UM) 
[  230.901926]  ? ipv6_get_ifaddr+0x42e/0x620
[  230.906414] 2*64kB 
[  230.908499]  __alloc_skb+0x119/0x770
[  230.912712] (M) 
[  230.914965]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.918665] 5*128kB 
[  230.920644]  ? skb_scrub_packet+0x490/0x490
[  230.925899] (UM) 3*256kB 
[  230.928237]  ? lock_downgrade+0x900/0x900
[  230.932535] (M) 4*512kB 
[  230.935311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.939442] (M) 
[  230.942127]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.947647] 3*1024kB 
[  230.949626]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.955083] (UM) 
[  230.957503]  ? addrconf_rs_timer+0x6f0/0x6f0
[  230.962943] 3*2048kB 
[  230.965021]  ndisc_alloc_skb+0x144/0x340
[  230.969406] (M) 3*4096kB 
[  230.971830]  ndisc_send_rs+0x331/0x6e0
[  230.975876] (M) 
[  230.978645]  addrconf_rs_timer+0x3c0/0x6f0
[  230.982519] = 25212kB
[  230.984499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.988718] Node 0 
[  230.991147]  call_timer_fn+0x272/0x920
[  230.995356] Normal: 
[  230.997598]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.001471] 887*4kB 
[  231.003801]  ? process_timeout+0x40/0x40
[  231.008105] (UME) 
[  231.010441]  ? find_held_lock+0x36/0x1c0
[  231.014542] 378*8kB 
[  231.016701]  ? __run_timers+0x7da/0xc70
[  231.020739] (UMEH) 
[  231.023131]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.027098] 172*16kB 
[  231.029340]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.033819] (UMEH) 
[  231.036231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.040708] 106*32kB 
[  231.042951]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  231.047177] (UMEH) 
[  231.049582]  ? trace_hardirqs_on+0xbd/0x310
[  231.054146] 16*64kB 
[  231.056381]  ? kasan_check_read+0x11/0x20
[  231.060681] (UMH) 
[  231.063005]  ? __run_timers+0x7da/0xc70
[  231.067131] 0*128kB 
[  231.069277]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  231.073224] 1*256kB 
[  231.075543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.080964] (H) 
[  231.083284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.087485] 0*512kB 0*1024kB 
[  231.089465]  __run_timers+0x7e5/0xc70
[  231.093669] 0*2048kB 
[  231.096777]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  231.100540] 0*4096kB 
[  231.102944]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  231.108282] = 13996kB
[  231.110686]  ? graph_lock+0x170/0x170
[  231.115681] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  231.118091]  ? enqueue_hrtimer+0x1a5/0x560
[  231.121876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  231.130700]  ? lock_release+0x970/0x970
[  231.134913] 4508 total pagecache pages
[  231.143513]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  231.147467] 0 pages in swap cache
[  231.151344]  ? find_held_lock+0x36/0x1c0
[  231.156511] Swap cache stats: add 0, delete 0, find 0/0
[  231.159955]  ? graph_lock+0x170/0x170
[  231.163987] Free swap  = 0kB
[  231.169343]  ? pvclock_read_flags+0x160/0x160
[  231.173119] Total swap = 0kB
[  231.176130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.180596] 1965979 pages RAM
[  231.183607]  ? check_preemption_disabled+0x48/0x200
[  231.189123] 0 pages HighMem/MovableOnly
[  231.192233]  ? __lock_is_held+0xb5/0x140
[  231.197220] 343323 pages reserved
[  231.201186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.201202]  ? check_preemption_disabled+0x48/0x200
[  231.205248] 0 pages cma reserved
[  231.208699]  run_timer_softirq+0x52/0xb0
[  231.214289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.219227]  ? rcu_read_lock_sched_held+0x108/0x120
[  231.222666] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.226640]  __do_softirq+0x30b/0xad8
[  231.233112] ksoftirqd/1 cpuset=
[  231.238168]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  231.248481] /
[  231.252295]  ? pvclock_read_flags+0x160/0x160
[  231.255556]  mems_allowed=0
[  231.260655]  ? lapic_next_event+0x5a/0x90
[  231.273916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.279461]  ? check_preemption_disabled+0x48/0x200
[  231.284484]  ? check_preemption_disabled+0x48/0x200
[  231.289582]  ? kvm_clock_read+0x18/0x30
[  231.293566]  ? kvm_sched_clock_read+0x9/0x20
[  231.297988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.303532]  ? check_preemption_disabled+0x48/0x200
[  231.308578]  irq_exit+0x17f/0x1c0
[  231.312070]  smp_apic_timer_interrupt+0x1cb/0x760
[  231.316928]  ? smp_reschedule_interrupt+0x109/0x650
[  231.321959]  ? smp_call_function_single_interrupt+0x650/0x650
[  231.327853]  ? interrupt_entry+0xb5/0xf0
[  231.331927]  ? trace_hardirqs_off_caller+0xbb/0x300
[  231.336954]  ? trace_hardirqs_off_caller+0xbb/0x300
[  231.341984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.346840]  ? trace_hardirqs_off+0x300/0x300
[  231.351345]  ? trace_hardirqs_off+0x300/0x300
[  231.355863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.361410]  ? check_preemption_disabled+0x48/0x200
[  231.366437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.371994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.376858]  apic_timer_interrupt+0xf/0x20
[  231.381102]  </IRQ>
[  231.383357] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  231.388308] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  231.407221] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  231.414943] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  231.422225] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  231.429506] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  231.436786] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  231.444093] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  231.451418]  skb_clone+0x1bb/0x500
[  231.454971]  ? finish_task_switch+0x2f5/0x900
[  231.459480]  ? skb_split+0x11e0/0x11e0
[  231.463385]  ? preempt_notifier_register+0x200/0x200
[  231.468501]  ? __switch_to_asm+0x34/0x70
[  231.472576]  ? __switch_to_asm+0x34/0x70
[  231.477183]  ? __switch_to_asm+0x40/0x70
[  231.481423]  ? __switch_to_asm+0x34/0x70
[  231.485498]  ? __switch_to_asm+0x40/0x70
[  231.489571]  ? __switch_to_asm+0x34/0x70
[  231.493729]  ? __switch_to_asm+0x40/0x70
[  231.497802]  ? __switch_to_asm+0x34/0x70
[  231.501877]  ? __switch_to_asm+0x34/0x70
[  231.505951]  ? __switch_to_asm+0x40/0x70
[  231.510023]  ? __switch_to_asm+0x34/0x70
[  231.514134]  bpf_clone_redirect+0xb9/0x490
[  231.518383]  ? __schedule+0x874/0x1ed0
[  231.522290]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  231.527327]  ? __sched_text_start+0x8/0x8
[  231.531486]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.536267]  ? find_held_lock+0x36/0x1c0
[  231.540351]  ? lock_acquire+0x1ed/0x520
[  231.544480]  ? bpf_test_run+0x32e/0x5a0
[  231.548471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.554089]  ? check_preemption_disabled+0x48/0x200
[  231.559128]  ? kasan_check_read+0x11/0x20
[  231.563293]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  231.568582]  ? rcu_bh_qs+0xc0/0xc0
[  231.572144]  ? preempt_schedule+0x4d/0x60
[  231.576304]  ? ___preempt_schedule+0x16/0x18
[  231.580735]  ? bpf_test_run+0x1c0/0x5a0
[  231.584733]  ? netlink_diag_dump+0x2a0/0x2a0
[  231.589161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.594713]  ? bpf_test_init.isra.9+0x70/0x100
[  231.599316]  ? bpf_prog_test_run_skb+0x634/0xb40
[  231.604115]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  231.609106]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  231.614712]  ? fput+0x130/0x1a0
[  231.618005]  ? __bpf_prog_get+0x9b/0x290
[  231.622108]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  231.626960]  ? bpf_prog_test_run+0x130/0x1a0
[  231.631382]  ? __x64_sys_bpf+0x3d8/0x510
[  231.635454]  ? bpf_prog_get+0x20/0x20
[  231.639286]  ? do_syscall_64+0x1b9/0x820
[  231.643362]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  231.648743]  ? syscall_return_slowpath+0x5e0/0x5e0
[  231.653682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.658541]  ? trace_hardirqs_off+0x300/0x300
[  231.663078]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  231.668114]  ? prepare_exit_to_usermode+0x291/0x3b0
[  231.673157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.678024]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  231.683444] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  231.683517] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.690298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  231.690303] Call Trace:
[  231.690322]  dump_stack+0x1c4/0x2b4
[  231.690338]  ? dump_stack_print_info.cold.2+0x52/0x52
[  231.690365]  warn_alloc.cold.118+0xb7/0x1bd
[  231.696897] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.706206]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  231.708780] syz-executor4 cpuset=
[  231.712414]  ? lock_downgrade+0x900/0x900
[  231.717650] syz4
[  231.721986]  ? trace_hardirqs_off+0xb8/0x300
[  231.732458]  mems_allowed=0
[  231.737303]  ? trace_hardirqs_off+0xb8/0x300
[  231.758690]  __alloc_pages_slowpath+0x2667/0x2d80
[  231.763579]  ? lockdep_on+0x50/0x50
[  231.767225]  ? warn_alloc+0x120/0x120
[  231.771044]  ? warn_alloc+0x120/0x120
[  231.774917]  ? print_usage_bug+0xc0/0xc0
[  231.778996]  ? warn_alloc+0x120/0x120
[  231.782813]  ? print_usage_bug+0xc0/0xc0
[  231.786892]  ? __lock_acquire+0x7ec/0x4ec0
[  231.791153]  ? __lock_acquire+0x7ec/0x4ec0
[  231.795403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.800952]  ? should_fail+0x22d/0xd01
[  231.804860]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.810089]  ? __lock_acquire+0x7ec/0x4ec0
[  231.814349]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.819523]  ? __lock_acquire+0x7ec/0x4ec0
[  231.823774]  ? should_fail+0x22d/0xd01
[  231.827670]  ? print_usage_bug+0xc0/0xc0
[  231.831752]  ? mark_held_locks+0x130/0x130
[  231.836002]  ? mark_held_locks+0x130/0x130
[  231.840264]  ? graph_lock+0x170/0x170
[  231.844103]  ? print_usage_bug+0xc0/0xc0
[  231.848178]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.852950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.858502]  ? check_preemption_disabled+0x48/0x200
[  231.863532]  ? check_preemption_disabled+0x48/0x200
[  231.868582]  ? __lock_is_held+0xb5/0x140
[  231.872665]  __alloc_pages_nodemask+0xa80/0xde0
[  231.877352]  ? graph_lock+0x170/0x170
[  231.881174]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  231.886223]  ? graph_lock+0x170/0x170
[  231.890077]  ? find_held_lock+0x36/0x1c0
[  231.894167]  ? ____cache_alloc_node+0x1c7/0x1e0
[  231.898851]  ? lock_downgrade+0x900/0x900
[  231.903020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.908607]  cache_grow_begin+0x91/0x8c0
[  231.912685]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.917124]  fallback_alloc+0x203/0x2e0
[  231.921125]  ____cache_alloc_node+0x1c7/0x1e0
[  231.925643]  kmem_cache_alloc_node+0xe3/0x730
[  231.930154]  ? ipv6_get_ifaddr+0x42e/0x620
[  231.934416]  __alloc_skb+0x119/0x770
[  231.938151]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  231.943447]  ? skb_scrub_packet+0x490/0x490
[  231.947784]  ? lock_downgrade+0x900/0x900
[  231.951955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.957513]  ? refcount_sub_and_test_checked+0x203/0x310
[  231.962980]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  231.968449]  ? addrconf_rs_timer+0x6f0/0x6f0
[  231.972883]  ndisc_alloc_skb+0x144/0x340
[  231.976965]  ndisc_send_rs+0x331/0x6e0
[  231.980873]  addrconf_rs_timer+0x3c0/0x6f0
[  231.985132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.989399]  call_timer_fn+0x272/0x920
[  231.993306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.997564]  ? process_timeout+0x40/0x40
[  232.001637]  ? find_held_lock+0x36/0x1c0
[  232.005721]  ? __run_timers+0x7da/0xc70
[  232.009715]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.014225]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.018731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.022980]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  232.027585]  ? trace_hardirqs_on+0xbd/0x310
[  232.031919]  ? kasan_check_read+0x11/0x20
[  232.036100]  ? __run_timers+0x7da/0xc70
[  232.040105]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.045585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.049838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.054108]  __run_timers+0x7e5/0xc70
[  232.057938]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  232.063312]  ? compat_start_thread+0x80/0x80
[  232.067739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.073301]  ? kasan_check_write+0x14/0x20
[  232.077554]  ? finish_task_switch+0x2f5/0x900
[  232.082094]  ? __switch_to_asm+0x40/0x70
[  232.086177]  ? preempt_notifier_register+0x200/0x200
[  232.091294]  ? __switch_to_asm+0x34/0x70
[  232.095368]  ? __switch_to_asm+0x40/0x70
[  232.099437]  ? __switch_to_asm+0x34/0x70
[  232.103515]  ? __switch_to_asm+0x40/0x70
[  232.107591]  ? __switch_to_asm+0x34/0x70
[  232.111665]  ? __switch_to_asm+0x40/0x70
[  232.115751]  ? pvclock_read_flags+0x160/0x160
[  232.120260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.125810]  ? check_preemption_disabled+0x48/0x200
[  232.130854]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  232.136404]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.141694]  ? rcu_pm_notify+0xc0/0xc0
[  232.145595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.151150]  ? check_preemption_disabled+0x48/0x200
[  232.156187]  run_timer_softirq+0x52/0xb0
[  232.160264]  ? rcu_read_lock_sched_held+0x108/0x120
[  232.165357]  __do_softirq+0x30b/0xad8
[  232.169186]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  232.174310]  ? schedule+0x108/0x460
[  232.177955]  ? __schedule+0x1ed0/0x1ed0
[  232.181949]  ? trace_hardirqs_off+0xb8/0x300
[  232.186378]  ? ___might_sleep+0x1ed/0x300
[  232.190535]  ? smpboot_thread_fn+0x68b/0xa00
[  232.194964]  ? trace_hardirqs_on+0x310/0x310
[  232.199388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.204938]  ? check_preemption_disabled+0x48/0x200
[  232.209970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.215524]  ? takeover_tasklets+0xa90/0xa90
[  232.219953]  run_ksoftirqd+0x94/0x100
[  232.223766]  smpboot_thread_fn+0x68b/0xa00
[  232.228018]  ? sort_range+0x30/0x30
[  232.231683]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.236801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.242356]  ? __kthread_parkme+0xfb/0x1a0
[  232.246611]  kthread+0x35a/0x420
[  232.249998]  ? sort_range+0x30/0x30
[  232.253635]  ? kthread_bind+0x40/0x40
[  232.257452]  ret_from_fork+0x3a/0x50
[  232.261261] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  232.261267] warn_alloc_show_mem: 1 callbacks suppressed
[  232.261274] Mem-Info:
[  232.268469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.273851] active_anon:44072 inactive_anon:951 isolated_anon:0
[  232.273851]  active_file:15 inactive_file:18 isolated_file:0
[  232.273851]  unevictable:0 dirty:0 writeback:0 unstable:0
[  232.273851]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  232.273851]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  232.273851]  free:13779 free_pcp:230 free_cma:0
[  232.276322] Call Trace:
[  232.285812] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  232.318773]  <IRQ>
[  232.321360] Node 0 
[  232.349225]  dump_stack+0x1c4/0x2b4
[  232.351387] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  232.353608]  ? dump_stack_print_info.cold.2+0x52/0x52
[  232.357224] lowmem_reserve[]:
[  232.382860]  warn_alloc.cold.118+0xb7/0x1bd
[  232.388026]  0
[  232.391166]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  232.395466]  2815 6318
[  232.397286]  ? lock_downgrade+0x900/0x900
[  232.402115]  6318
[  232.404623]  ? trace_hardirqs_off+0xb8/0x300
[  232.410821]  ? trace_hardirqs_off+0xb8/0x300
[  232.415216] Node 0 DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  232.419657]  __alloc_pages_slowpath+0x2667/0x2d80
[  232.419700]  ? warn_alloc+0x120/0x120
[  232.447162] lowmem_reserve[]:
[  232.452017]  ? warn_alloc+0x120/0x120
[  232.455799]  0
[  232.459015]  ? print_usage_bug+0xc0/0xc0
[  232.462798]  0 3503
[  232.464614]  ? warn_alloc+0x120/0x120
[  232.468663]  3503
[  232.470904]  ? print_usage_bug+0xc0/0xc0
[  232.476763]  ? __lock_acquire+0x7ec/0x4ec0
[  232.480815] Node 0 
[  232.485076]  ? __lock_acquire+0x7ec/0x4ec0
[  232.485096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.487350] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  232.491566]  ? should_fail+0x22d/0xd01
[  232.497175] lowmem_reserve[]:
[  232.525702]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.529576]  0
[  232.532687]  ? __lock_acquire+0x7ec/0x4ec0
[  232.537768]  0 0
[  232.539589]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.543808]  0
[  232.545789]  ? __lock_acquire+0x7ec/0x4ec0
[  232.550877] Node 0 
[  232.552684]  ? should_fail+0x22d/0xd01
[  232.556901] DMA: 1*4kB 
[  232.559237]  ? mark_held_locks+0x130/0x130
[  232.563259] (U) 
[  232.565849]  ? mark_held_locks+0x130/0x130
[  232.570096] 0*8kB 
[  232.572105]  ? graph_lock+0x170/0x170
[  232.576330] 0*16kB 
[  232.578482]  ? graph_lock+0x170/0x170
[  232.582271] 1*32kB 
[  232.584509]  ? graph_lock+0x170/0x170
[  232.588296] (U) 
[  232.590540]  ? print_usage_bug+0xc0/0xc0
[  232.594331] 2*64kB 
[  232.596306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.596322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.600372] (U) 
[  232.602617]  ? check_preemption_disabled+0x48/0x200
[  232.608916] 1*128kB (U) 
[  232.614475]  ? check_preemption_disabled+0x48/0x200
[  232.616443] 1*256kB 
[  232.621470]  ? __lock_is_held+0xb5/0x140
[  232.624128] (U) 
[  232.629298]  __alloc_pages_nodemask+0xa80/0xde0
[  232.631606] 0*512kB 
[  232.635668]  ? graph_lock+0x170/0x170
[  232.637633] 1*1024kB 
[  232.642313]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  232.644684] (U) 
[  232.648490]  ? graph_lock+0x170/0x170
[  232.650893] 1*2048kB 
[  232.655920]  ? find_held_lock+0x36/0x1c0
[  232.657876] (M) 
[  232.661687]  ? ____cache_alloc_node+0x1c7/0x1e0
[  232.664099] 3*4096kB 
[  232.668167]  ? lock_downgrade+0x900/0x900
[  232.670134] (M) 
[  232.674811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.677204] = 15908kB
[  232.681356]  cache_grow_begin+0x91/0x8c0
[  232.683316] Node 0 
[  232.688943]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.691345] DMA32: 
[  232.695413]  fallback_alloc+0x203/0x2e0
[  232.697637] 1*4kB 
[  232.702079]  ____cache_alloc_node+0x1c7/0x1e0
[  232.704300] (M) 
[  232.708282]  kmem_cache_alloc_node+0xe3/0x730
[  232.710410] 3*8kB (UM) 
[  232.714919]  ? ipv6_get_ifaddr+0x42e/0x620
[  232.716882] 0*16kB 
[  232.721386]  __alloc_skb+0x119/0x770
[  232.723954] 3*32kB 
[  232.728193]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.730415] (UM) 
[  232.734135]  ? skb_scrub_packet+0x490/0x490
[  232.736358] 2*64kB 
[  232.741695]  ? lock_downgrade+0x900/0x900
[  232.743752] (M) 
[  232.748113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.750333] 5*128kB 
[  232.754485]  ? refcount_sub_and_test_checked+0x203/0x310
[  232.756447] (UM) 
[  232.762017]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  232.764359] 3*256kB 
[  232.769812]  ? addrconf_rs_timer+0x6f0/0x6f0
[  232.771859] (M) 
[  232.777325]  ndisc_alloc_skb+0x144/0x340
[  232.779628] 4*512kB 
[  232.784041]  ndisc_send_rs+0x331/0x6e0
[  232.786025] (M) 
[  232.790152]  addrconf_rs_timer+0x3c0/0x6f0
[  232.792464] 3*1024kB 
[  232.796450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.798468] (UM) 
[  232.802722]  call_timer_fn+0x272/0x920
[  232.805114] 3*2048kB 
[  232.809350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.811408] (M) 
[  232.815305]  ? process_timeout+0x40/0x40
[  232.817701] 3*4096kB 
[  232.821940]  ? find_held_lock+0x36/0x1c0
[  232.823901] (M) 
[  232.827970]  ? __run_timers+0x7da/0xc70
[  232.830364] = 25212kB
[  232.834430]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.836394] Node 0 
[  232.840481]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.842883] Normal: 
[  232.847383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.849629] 887*4kB 
[  232.854127]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  232.856434] (UME) 
[  232.860672]  ? trace_hardirqs_on+0xbd/0x310
[  232.862983] 378*8kB 
[  232.867624]  ? kasan_check_read+0x11/0x20
[  232.869762] (UMEH) 
[  232.874110]  ? __run_timers+0x7da/0xc70
[  232.876418] 172*16kB 
[  232.880578]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.882804] (UMEH) 
[  232.886782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.889183] 106*32kB 
[  232.894637]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.896862] (UMEH) 
[  232.901116]  __run_timers+0x7e5/0xc70
[  232.903522] 16*64kB 
[  232.907768]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  232.909983] (UMH) 
[  232.913791]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  232.916108] 0*128kB 
[  232.921472]  ? graph_lock+0x170/0x170
[  232.923611] 1*256kB 
[  232.928684]  ? enqueue_hrtimer+0x1a5/0x560
[  232.930999] (H) 
[  232.934804]  ? lock_release+0x970/0x970
[  232.937126] 0*512kB 
[  232.941365]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  232.943364] 0*1024kB 
[  232.947345]  ? find_held_lock+0x36/0x1c0
[  232.949658] 0*2048kB 
[  232.954852]  ? graph_lock+0x170/0x170
[  232.957254] 0*4096kB 
[  232.961317]  ? pvclock_read_flags+0x160/0x160
[  232.963715] = 13996kB
[  232.967519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.969922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  232.974411]  ? check_preemption_disabled+0x48/0x200
[  232.976812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  232.982361]  ? __lock_is_held+0xb5/0x140
[  232.991177] 4508 total pagecache pages
[  232.996204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.004769] 0 pages in swap cache
[  233.008828]  ? check_preemption_disabled+0x48/0x200
[  233.012706] Swap cache stats: add 0, delete 0, find 0/0
[  233.018250]  run_timer_softirq+0x52/0xb0
[  233.021697] Free swap  = 0kB
[  233.026722]  ? rcu_read_lock_sched_held+0x108/0x120
[  233.032099] Total swap = 0kB
[  233.036171]  __do_softirq+0x30b/0xad8
[  233.039176] 1965979 pages RAM
[  233.044206]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  233.047208] 0 pages HighMem/MovableOnly
[  233.051012]  ? pvclock_read_flags+0x160/0x160
[  233.054117] 343323 pages reserved
[  233.059220]  ? lapic_next_event+0x5a/0x90
[  233.063182] 0 pages cma reserved
[  233.067739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.071247] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.075330]  ? check_preemption_disabled+0x48/0x200
[  233.078741] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.084224]  ? check_preemption_disabled+0x48/0x200
[  233.090706] ksoftirqd/1 cpuset=
[  233.095733]  ? kvm_clock_read+0x18/0x30
[  233.106027] /
[  233.111103]  ? kvm_sched_clock_read+0x9/0x20
[  233.114372]  mems_allowed=0
[  233.118351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.132953]  ? check_preemption_disabled+0x48/0x200
[  233.137995]  irq_exit+0x17f/0x1c0
[  233.141466]  smp_apic_timer_interrupt+0x1cb/0x760
[  233.146322]  ? smp_reschedule_interrupt+0x109/0x650
[  233.151352]  ? smp_call_function_single_interrupt+0x650/0x650
[  233.157337]  ? interrupt_entry+0xb5/0xf0
[  233.161428]  ? trace_hardirqs_off_caller+0xbb/0x300
[  233.166457]  ? trace_hardirqs_off_caller+0xbb/0x300
[  233.171708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.176569]  ? trace_hardirqs_off+0x300/0x300
[  233.181104]  ? trace_hardirqs_off+0x300/0x300
[  233.185614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.191168]  ? check_preemption_disabled+0x48/0x200
[  233.196198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.201989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.206860]  apic_timer_interrupt+0xf/0x20
[  233.211117]  </IRQ>
[  233.213369] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  233.218316] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  233.237229] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  233.244948] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  233.252230] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  233.259519] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  233.266814] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  233.274106] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  233.281433]  skb_clone+0x1bb/0x500
[  233.284991]  ? finish_task_switch+0x2f5/0x900
[  233.289517]  ? skb_split+0x11e0/0x11e0
[  233.293420]  ? preempt_notifier_register+0x200/0x200
[  233.298542]  ? __switch_to_asm+0x34/0x70
[  233.302618]  ? __switch_to_asm+0x34/0x70
[  233.306690]  ? __switch_to_asm+0x40/0x70
[  233.310760]  ? __switch_to_asm+0x34/0x70
[  233.314918]  ? __switch_to_asm+0x40/0x70
[  233.318997]  ? __switch_to_asm+0x34/0x70
[  233.323093]  ? __switch_to_asm+0x40/0x70
[  233.327165]  ? __switch_to_asm+0x34/0x70
[  233.331244]  ? __switch_to_asm+0x34/0x70
[  233.335578]  ? __switch_to_asm+0x40/0x70
[  233.339650]  ? __switch_to_asm+0x34/0x70
[  233.343731]  bpf_clone_redirect+0xb9/0x490
[  233.347980]  ? __schedule+0x874/0x1ed0
[  233.351889]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  233.356926]  ? __sched_text_start+0x8/0x8
[  233.361114]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  233.365893]  ? find_held_lock+0x36/0x1c0
[  233.369974]  ? lock_acquire+0x1ed/0x520
[  233.373957]  ? bpf_test_run+0x32e/0x5a0
[  233.377945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.383494]  ? check_preemption_disabled+0x48/0x200
[  233.388528]  ? kasan_check_read+0x11/0x20
[  233.392690]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  233.397980]  ? rcu_bh_qs+0xc0/0xc0
[  233.401538]  ? preempt_schedule+0x4d/0x60
[  233.405759]  ? ___preempt_schedule+0x16/0x18
[  233.410194]  ? bpf_test_run+0x1c0/0x5a0
[  233.414196]  ? netlink_diag_dump+0x2a0/0x2a0
[  233.418627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.424239]  ? bpf_test_init.isra.9+0x70/0x100
[  233.428843]  ? bpf_prog_test_run_skb+0x634/0xb40
[  233.433623]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  233.438481]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  233.444119]  ? fput+0x130/0x1a0
[  233.447417]  ? __bpf_prog_get+0x9b/0x290
[  233.451496]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  233.456350]  ? bpf_prog_test_run+0x130/0x1a0
[  233.460776]  ? __x64_sys_bpf+0x3d8/0x510
[  233.464853]  ? bpf_prog_get+0x20/0x20
[  233.468688]  ? do_syscall_64+0x1b9/0x820
[  233.473149]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  233.478570]  ? syscall_return_slowpath+0x5e0/0x5e0
[  233.483514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.488374]  ? trace_hardirqs_off+0x300/0x300
[  233.492884]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  233.497916]  ? prepare_exit_to_usermode+0x291/0x3b0
[  233.502950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.507814]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  233.513211] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  233.513282] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.520111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  233.520117] Call Trace:
[  233.520138]  dump_stack+0x1c4/0x2b4
[  233.520155]  ? dump_stack_print_info.cold.2+0x52/0x52
[  233.520182]  warn_alloc.cold.118+0xb7/0x1bd
[  233.526738] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.536047]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.538646] syz-executor4 cpuset=
[  233.542280]  ? lock_downgrade+0x900/0x900
[  233.547628] syz4
[  233.551966]  ? trace_hardirqs_off+0xb8/0x300
[  233.562522]  mems_allowed=0
[  233.567372]  ? trace_hardirqs_off+0xb8/0x300
[  233.588671]  __alloc_pages_slowpath+0x2667/0x2d80
[  233.593551]  ? lockdep_on+0x50/0x50
[  233.597209]  ? warn_alloc+0x120/0x120
[  233.601033]  ? warn_alloc+0x120/0x120
[  233.604968]  ? print_usage_bug+0xc0/0xc0
[  233.609075]  ? warn_alloc+0x120/0x120
[  233.612894]  ? print_usage_bug+0xc0/0xc0
[  233.616970]  ? __lock_acquire+0x7ec/0x4ec0
[  233.621242]  ? __lock_acquire+0x7ec/0x4ec0
[  233.625494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.631133]  ? should_fail+0x22d/0xd01
[  233.635044]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.640198]  ? __lock_acquire+0x7ec/0x4ec0
[  233.644454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.649584]  ? __lock_acquire+0x7ec/0x4ec0
[  233.653832]  ? should_fail+0x22d/0xd01
[  233.657743]  ? mark_held_locks+0x130/0x130
[  233.661998]  ? mark_held_locks+0x130/0x130
[  233.666252]  ? graph_lock+0x170/0x170
[  233.670088]  ? graph_lock+0x170/0x170
[  233.673907]  ? graph_lock+0x170/0x170
[  233.677719]  ? print_usage_bug+0xc0/0xc0
[  233.681890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.687502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.693078]  ? check_preemption_disabled+0x48/0x200
[  233.698109]  ? check_preemption_disabled+0x48/0x200
[  233.703149]  ? __lock_is_held+0xb5/0x140
[  233.707230]  __alloc_pages_nodemask+0xa80/0xde0
[  233.711916]  ? graph_lock+0x170/0x170
[  233.715737]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  233.720765]  ? graph_lock+0x170/0x170
[  233.724595]  ? find_held_lock+0x36/0x1c0
[  233.728679]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.733362]  ? lock_downgrade+0x900/0x900
[  233.737612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.743173]  cache_grow_begin+0x91/0x8c0
[  233.747250]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.751682]  fallback_alloc+0x203/0x2e0
[  233.755676]  ____cache_alloc_node+0x1c7/0x1e0
[  233.760191]  kmem_cache_alloc_node+0xe3/0x730
[  233.764706]  ? ipv6_get_ifaddr+0x42e/0x620
[  233.769075]  __alloc_skb+0x119/0x770
[  233.772808]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  233.778122]  ? skb_scrub_packet+0x490/0x490
[  233.782457]  ? lock_downgrade+0x900/0x900
[  233.786630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.792184]  ? refcount_sub_and_test_checked+0x203/0x310
[  233.797661]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  233.803130]  ? addrconf_rs_timer+0x6f0/0x6f0
[  233.807580]  ndisc_alloc_skb+0x144/0x340
[  233.811672]  ndisc_send_rs+0x331/0x6e0
[  233.815602]  addrconf_rs_timer+0x3c0/0x6f0
[  233.819858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.824128]  call_timer_fn+0x272/0x920
[  233.828030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.832325]  ? process_timeout+0x40/0x40
[  233.836405]  ? find_held_lock+0x36/0x1c0
[  233.840557]  ? __run_timers+0x7da/0xc70
[  233.844567]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.849101]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.853611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.857862]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  233.862462]  ? trace_hardirqs_on+0xbd/0x310
[  233.866798]  ? kasan_check_read+0x11/0x20
[  233.870960]  ? __run_timers+0x7da/0xc70
[  233.874949]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.880421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.884676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.888983]  __run_timers+0x7e5/0xc70
[  233.892817]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  233.898198]  ? compat_start_thread+0x80/0x80
[  233.902628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.908188]  ? kasan_check_write+0x14/0x20
[  233.912440]  ? finish_task_switch+0x2f5/0x900
[  233.916952]  ? __switch_to_asm+0x40/0x70
[  233.921040]  ? preempt_notifier_register+0x200/0x200
[  233.926258]  ? __switch_to_asm+0x34/0x70
[  233.930340]  ? __switch_to_asm+0x40/0x70
[  233.934423]  ? __switch_to_asm+0x34/0x70
[  233.938503]  ? __switch_to_asm+0x40/0x70
[  233.942776]  ? __switch_to_asm+0x34/0x70
[  233.946871]  ? __switch_to_asm+0x40/0x70
[  233.950960]  ? pvclock_read_flags+0x160/0x160
[  233.955479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.961039]  ? check_preemption_disabled+0x48/0x200
[  233.966195]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  233.971751]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  233.977073]  ? rcu_pm_notify+0xc0/0xc0
[  233.981096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.986739]  ? check_preemption_disabled+0x48/0x200
[  233.991783]  run_timer_softirq+0x52/0xb0
[  233.995860]  ? rcu_read_lock_sched_held+0x108/0x120
[  234.000900]  __do_softirq+0x30b/0xad8
[  234.004822]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  234.009953]  ? schedule+0x108/0x460
[  234.013601]  ? __schedule+0x1ed0/0x1ed0
[  234.017608]  ? trace_hardirqs_off+0xb8/0x300
[  234.022032]  ? ___might_sleep+0x1ed/0x300
[  234.026230]  ? smpboot_thread_fn+0x68b/0xa00
[  234.030657]  ? trace_hardirqs_on+0x310/0x310
[  234.035108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.040659]  ? check_preemption_disabled+0x48/0x200
[  234.045693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.051346]  ? takeover_tasklets+0xa90/0xa90
[  234.055775]  run_ksoftirqd+0x94/0x100
[  234.059599]  smpboot_thread_fn+0x68b/0xa00
[  234.063857]  ? sort_range+0x30/0x30
[  234.067515]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.072633]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.078229]  ? __kthread_parkme+0xfb/0x1a0
[  234.082489]  kthread+0x35a/0x420
[  234.085874]  ? sort_range+0x30/0x30
[  234.089520]  ? kthread_bind+0x40/0x40
[  234.093340]  ret_from_fork+0x3a/0x50
[  234.097107] warn_alloc_show_mem: 1 callbacks suppressed
[  234.097120] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  234.097121] Mem-Info:
[  234.097153] active_anon:44072 inactive_anon:951 isolated_anon:0
[  234.097153]  active_file:15 inactive_file:18 isolated_file:0
[  234.097153]  unevictable:0 dirty:0 writeback:0 unstable:0
[  234.097153]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  234.097153]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  234.097153]  free:13779 free_pcp:230 free_cma:0
[  234.102548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.109983] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  234.112468] Call Trace:
[  234.145536] Node 0 
[  234.154907]  <IRQ>
[  234.182754] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  234.185327]  dump_stack+0x1c4/0x2b4
[  234.187548] lowmem_reserve[]:
[  234.189712]  ? dump_stack_print_info.cold.2+0x52/0x52
[  234.215317]  0 2815
[  234.218988]  warn_alloc.cold.118+0xb7/0x1bd
[  234.222086]  6318
[  234.227290]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.229513]  6318
[  234.233843]  ? lock_downgrade+0x900/0x900
[  234.240762]  ? trace_hardirqs_off+0xb8/0x300
[  234.242814] Node 0 
[  234.246970]  ? trace_hardirqs_off+0xb8/0x300
[  234.251386] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  234.253617]  __alloc_pages_slowpath+0x2667/0x2d80
[  234.257998] lowmem_reserve[]: 0
[  234.284951]  ? warn_alloc+0x120/0x120
[  234.289762]  0
[  234.293089]  ? warn_alloc+0x120/0x120
[  234.296871]  3503
[  234.298683]  ? print_usage_bug+0xc0/0xc0
[  234.302461]  3503
[  234.304539]  ? warn_alloc+0x120/0x120
[  234.308591] Node 0 
[  234.310664]  ? print_usage_bug+0xc0/0xc0
[  234.314508] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  234.316728]  ? __lock_acquire+0x7ec/0x4ec0
[  234.320773] lowmem_reserve[]: 0
[  234.349275]  ? __lock_acquire+0x7ec/0x4ec0
[  234.353499]  0
[  234.356793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.361104]  0
[  234.362916]  ? should_fail+0x22d/0xd01
[  234.368441]  0
[  234.370253]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.375946]  ? __lock_acquire+0x7ec/0x4ec0
[  234.381033] Node 0 DMA: 
[  234.385314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.385330]  ? __lock_acquire+0x7ec/0x4ec0
[  234.388023] 1*4kB 
[  234.393135]  ? should_fail+0x22d/0xd01
[  234.397355] (U) 
[  234.399525]  ? mark_held_locks+0x130/0x130
[  234.403488] 0*8kB 
[  234.405604]  ? mark_held_locks+0x130/0x130
[  234.409825] 0*16kB 
[  234.411979]  ? graph_lock+0x170/0x170
[  234.416203] 1*32kB 
[  234.418447]  ? graph_lock+0x170/0x170
[  234.422237] (U) 
[  234.424486]  ? graph_lock+0x170/0x170
[  234.428274] 2*64kB 
[  234.430254]  ? print_usage_bug+0xc0/0xc0
[  234.434172] (U) 
[  234.436420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.440473] 1*128kB 
[  234.442456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.448091] (U) 
[  234.450422]  ? check_preemption_disabled+0x48/0x200
[  234.455946] 1*256kB 
[  234.457925]  ? check_preemption_disabled+0x48/0x200
[  234.462983] (U) 
[  234.465320]  ? __lock_is_held+0xb5/0x140
[  234.470320] 0*512kB 
[  234.472307]  __alloc_pages_nodemask+0xa80/0xde0
[  234.476353] 1*1024kB 
[  234.478689]  ? graph_lock+0x170/0x170
[  234.483343] (U) 
[  234.485761]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  234.489551] 1*2048kB 
[  234.491530]  ? graph_lock+0x170/0x170
[  234.496531] (M) 
[  234.498956]  ? find_held_lock+0x36/0x1c0
[  234.502737] 3*4096kB 
[  234.504726]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.508769] (M) 
[  234.511186]  ? lock_downgrade+0x900/0x900
[  234.515843] = 15908kB
[  234.517832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.521971] Node 0 
[  234.524391]  cache_grow_begin+0x91/0x8c0
[  234.529910] DMA32: 1*4kB 
[  234.532175]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.536224] (M) 
[  234.539004]  fallback_alloc+0x203/0x2e0
[  234.543396] 3*8kB 
[  234.545384]  ____cache_alloc_node+0x1c7/0x1e0
[  234.549339] (UM) 
[  234.551566]  kmem_cache_alloc_node+0xe3/0x730
[  234.556047] 0*16kB 3*32kB 
[  234.558158]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.562638] (UM) 
[  234.565503]  __alloc_skb+0x119/0x770
[  234.569722] 2*64kB 
[  234.571798]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.575498] (M) 
[  234.577743]  ? skb_scrub_packet+0x490/0x490
[  234.582998] 5*128kB (UM) 
[  234.584991]  ? lock_downgrade+0x900/0x900
[  234.589428] 3*256kB (M) 
[  234.592349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.596473] 4*512kB (M) 
[  234.599163]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.605187] 3*1024kB (UM) 
[  234.607895]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.613323] 3*2048kB (M) 
[  234.616185]  ? addrconf_rs_timer+0x6f0/0x6f0
[  234.621621] 3*4096kB 
[  234.624397]  ndisc_alloc_skb+0x144/0x340
[  234.628780] (M) 
[  234.631199]  ndisc_send_rs+0x331/0x6e0
[  234.635244] = 25212kB
[  234.637228]  addrconf_rs_timer+0x3c0/0x6f0
[  234.641109] Node 0 
[  234.643526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.647744] Normal: 
[  234.649994]  call_timer_fn+0x272/0x920
[  234.654237] 887*4kB 
[  234.656563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.660447] (UME) 
[  234.662780]  ? process_timeout+0x40/0x40
[  234.666999] 378*8kB (UMEH) 
[  234.669163]  ? find_held_lock+0x36/0x1c0
[  234.673217] 172*16kB 
[  234.676158]  ? __run_timers+0x7da/0xc70
[  234.680199] (UMEH) 
[  234.682737]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.686768] 106*32kB 
[  234.689010]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.693496] (UMEH) 
[  234.695914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.700456] 16*64kB 
[  234.702786]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  234.707007] (UMH) 
[  234.709343]  ? trace_hardirqs_on+0xbd/0x310
[  234.713914] 0*128kB 
[  234.716169]  ? kasan_check_read+0x11/0x20
[  234.720481] 1*256kB 
[  234.722817]  ? __run_timers+0x7da/0xc70
[  234.726945] (H) 0*512kB 
[  234.729301]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  234.733285] 0*1024kB 
[  234.735979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.741431] 0*2048kB 
[  234.743860]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.748117] 0*4096kB = 13996kB
[  234.750553]  __run_timers+0x7e5/0xc70
[  234.754786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  234.757996]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  234.761780] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  234.770620]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  234.775970] 4508 total pagecache pages
[  234.784551]  ? graph_lock+0x170/0x170
[  234.789645] 0 pages in swap cache
[  234.793549]  ? enqueue_hrtimer+0x1a5/0x560
[  234.797343] Swap cache stats: add 0, delete 0, find 0/0
[  234.800799]  ? lock_release+0x970/0x970
[  234.805022] Free swap  = 0kB
[  234.810397]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  234.814409] Total swap = 0kB
[  234.817440]  ? find_held_lock+0x36/0x1c0
[  234.822655] 1965979 pages RAM
[  234.825690]  ? graph_lock+0x170/0x170
[  234.829815] 0 pages HighMem/MovableOnly
[  234.829824] 343323 pages reserved
[  234.832937]  ? pvclock_read_flags+0x160/0x160
[  234.836732] 0 pages cma reserved
[  234.840868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.844394] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.848811]  ? check_preemption_disabled+0x48/0x200
[  234.852273] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.857805]  ? __lock_is_held+0xb5/0x140
[  234.864284] ksoftirqd/1 cpuset=
[  234.869310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.879606] /
[  234.883675]  ? check_preemption_disabled+0x48/0x200
[  234.886945]  mems_allowed=0
[  234.892749]  run_timer_softirq+0x52/0xb0
[  234.906579]  ? rcu_read_lock_sched_held+0x108/0x120
[  234.911623]  __do_softirq+0x30b/0xad8
[  234.915454]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  234.920574]  ? pvclock_read_flags+0x160/0x160
[  234.925104]  ? lapic_next_event+0x5a/0x90
[  234.929267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.934818]  ? check_preemption_disabled+0x48/0x200
[  234.939858]  ? check_preemption_disabled+0x48/0x200
[  234.944893]  ? kvm_clock_read+0x18/0x30
[  234.948880]  ? kvm_sched_clock_read+0x9/0x20
[  234.953307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.958860]  ? check_preemption_disabled+0x48/0x200
[  234.963906]  irq_exit+0x17f/0x1c0
[  234.967389]  smp_apic_timer_interrupt+0x1cb/0x760
[  234.972249]  ? smp_reschedule_interrupt+0x109/0x650
[  234.977286]  ? smp_call_function_single_interrupt+0x650/0x650
[  234.983186]  ? interrupt_entry+0xb5/0xf0
[  234.987262]  ? trace_hardirqs_off_caller+0xbb/0x300
[  234.992290]  ? trace_hardirqs_off_caller+0xbb/0x300
[  234.997324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.002346]  ? trace_hardirqs_off+0x300/0x300
[  235.006855]  ? trace_hardirqs_off+0x300/0x300
[  235.011366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.016915]  ? check_preemption_disabled+0x48/0x200
[  235.022003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.027790]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.032658]  apic_timer_interrupt+0xf/0x20
[  235.036900]  </IRQ>
[  235.039158] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  235.044274] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  235.063196] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  235.070921] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  235.078207] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  235.085485] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  235.092762] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  235.100041] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  235.107400]  skb_clone+0x1bb/0x500
[  235.110953]  ? finish_task_switch+0x2f5/0x900
[  235.115463]  ? skb_split+0x11e0/0x11e0
[  235.119364]  ? preempt_notifier_register+0x200/0x200
[  235.124479]  ? __switch_to_asm+0x34/0x70
[  235.128555]  ? __switch_to_asm+0x34/0x70
[  235.132627]  ? __switch_to_asm+0x40/0x70
[  235.136701]  ? __switch_to_asm+0x34/0x70
[  235.140772]  ? __switch_to_asm+0x40/0x70
[  235.144903]  ? __switch_to_asm+0x34/0x70
[  235.148979]  ? __switch_to_asm+0x40/0x70
[  235.153080]  ? __switch_to_asm+0x34/0x70
[  235.157156]  ? __switch_to_asm+0x34/0x70
[  235.161227]  ? __switch_to_asm+0x40/0x70
[  235.165297]  ? __switch_to_asm+0x34/0x70
[  235.169377]  bpf_clone_redirect+0xb9/0x490
[  235.173631]  ? __schedule+0x874/0x1ed0
[  235.177539]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  235.182589]  ? __sched_text_start+0x8/0x8
[  235.186749]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.191531]  ? find_held_lock+0x36/0x1c0
[  235.195612]  ? lock_acquire+0x1ed/0x520
[  235.199651]  ? bpf_test_run+0x32e/0x5a0
[  235.203641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.209189]  ? check_preemption_disabled+0x48/0x200
[  235.214225]  ? kasan_check_read+0x11/0x20
[  235.218386]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.223676]  ? rcu_bh_qs+0xc0/0xc0
[  235.227234]  ? preempt_schedule+0x4d/0x60
[  235.231397]  ? ___preempt_schedule+0x16/0x18
[  235.235835]  ? bpf_test_run+0x1c0/0x5a0
[  235.239842]  ? netlink_diag_dump+0x2a0/0x2a0
[  235.244274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.249824]  ? bpf_test_init.isra.9+0x70/0x100
[  235.254586]  ? bpf_prog_test_run_skb+0x634/0xb40
[  235.259366]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  235.264226]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  235.269774]  ? fput+0x130/0x1a0
[  235.273093]  ? __bpf_prog_get+0x9b/0x290
[  235.277171]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  235.282027]  ? bpf_prog_test_run+0x130/0x1a0
[  235.286632]  ? __x64_sys_bpf+0x3d8/0x510
[  235.290709]  ? bpf_prog_get+0x20/0x20
[  235.294545]  ? do_syscall_64+0x1b9/0x820
[  235.298618]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  235.303999]  ? syscall_return_slowpath+0x5e0/0x5e0
[  235.308944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.313802]  ? trace_hardirqs_off+0x300/0x300
[  235.318311]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  235.323345]  ? prepare_exit_to_usermode+0x291/0x3b0
[  235.328383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.333251]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  235.338647] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  235.338718] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  235.345499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  235.345504] Call Trace:
[  235.345522]  dump_stack+0x1c4/0x2b4
[  235.345539]  ? dump_stack_print_info.cold.2+0x52/0x52
[  235.345573]  warn_alloc.cold.118+0xb7/0x1bd
[  235.352160] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  235.361435]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.364009] syz-executor4 cpuset=
[  235.367640]  ? lock_downgrade+0x900/0x900
[  235.372814] syz4
[  235.377147]  ? trace_hardirqs_off+0xb8/0x300
[  235.387680]  mems_allowed=0
[  235.392531]  ? trace_hardirqs_off+0xb8/0x300
[  235.413925]  __alloc_pages_slowpath+0x2667/0x2d80
[  235.418810]  ? lockdep_on+0x50/0x50
[  235.422457]  ? warn_alloc+0x120/0x120
[  235.426281]  ? warn_alloc+0x120/0x120
[  235.430120]  ? print_usage_bug+0xc0/0xc0
[  235.434193]  ? warn_alloc+0x120/0x120
[  235.438011]  ? print_usage_bug+0xc0/0xc0
[  235.442111]  ? __lock_acquire+0x7ec/0x4ec0
[  235.446359]  ? __lock_acquire+0x7ec/0x4ec0
[  235.450612]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.456169]  ? should_fail+0x22d/0xd01
[  235.460100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.465217]  ? __lock_acquire+0x7ec/0x4ec0
[  235.469468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.474896]  ? __lock_acquire+0x7ec/0x4ec0
[  235.479147]  ? should_fail+0x22d/0xd01
[  235.483044]  ? print_usage_bug+0xc0/0xc0
[  235.487157]  ? mark_held_locks+0x130/0x130
[  235.491412]  ? mark_held_locks+0x130/0x130
[  235.495671]  ? graph_lock+0x170/0x170
[  235.499486]  ? print_usage_bug+0xc0/0xc0
[  235.503558]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.508335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.513887]  ? check_preemption_disabled+0x48/0x200
[  235.518916]  ? check_preemption_disabled+0x48/0x200
[  235.523959]  ? __lock_is_held+0xb5/0x140
[  235.528038]  __alloc_pages_nodemask+0xa80/0xde0
[  235.532755]  ? graph_lock+0x170/0x170
[  235.536638]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  235.541755]  ? graph_lock+0x170/0x170
[  235.545668]  ? find_held_lock+0x36/0x1c0
[  235.549757]  ? ____cache_alloc_node+0x1c7/0x1e0
[  235.554439]  ? lock_downgrade+0x900/0x900
[  235.558610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.564167]  cache_grow_begin+0x91/0x8c0
[  235.568306]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.572740]  fallback_alloc+0x203/0x2e0
[  235.576733]  ____cache_alloc_node+0x1c7/0x1e0
[  235.581248]  kmem_cache_alloc_node+0xe3/0x730
[  235.585758]  ? ipv6_get_ifaddr+0x42e/0x620
[  235.590020]  __alloc_skb+0x119/0x770
[  235.593772]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.599089]  ? skb_scrub_packet+0x490/0x490
[  235.603428]  ? lock_downgrade+0x900/0x900
[  235.607604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.613263]  ? refcount_sub_and_test_checked+0x203/0x310
[  235.618730]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  235.624197]  ? addrconf_rs_timer+0x6f0/0x6f0
[  235.628637]  ndisc_alloc_skb+0x144/0x340
[  235.632720]  ndisc_send_rs+0x331/0x6e0
[  235.636627]  addrconf_rs_timer+0x3c0/0x6f0
[  235.640880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.645146]  call_timer_fn+0x272/0x920
[  235.649047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.653327]  ? process_timeout+0x40/0x40
[  235.657402]  ? find_held_lock+0x36/0x1c0
[  235.661485]  ? __run_timers+0x7da/0xc70
[  235.665478]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.670045]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.674661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.678907]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  235.683509]  ? trace_hardirqs_on+0xbd/0x310
[  235.687843]  ? kasan_check_read+0x11/0x20
[  235.692003]  ? __run_timers+0x7da/0xc70
[  235.695991]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.701460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.705716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.709964]  __run_timers+0x7e5/0xc70
[  235.713791]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  235.719164]  ? compat_start_thread+0x80/0x80
[  235.723591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.729149]  ? kasan_check_write+0x14/0x20
[  235.733397]  ? finish_task_switch+0x2f5/0x900
[  235.737905]  ? __switch_to_asm+0x40/0x70
[  235.741981]  ? preempt_notifier_register+0x200/0x200
[  235.747117]  ? __switch_to_asm+0x34/0x70
[  235.751192]  ? __switch_to_asm+0x40/0x70
[  235.755273]  ? __switch_to_asm+0x34/0x70
[  235.759344]  ? __switch_to_asm+0x40/0x70
[  235.763418]  ? __switch_to_asm+0x34/0x70
[  235.767488]  ? __switch_to_asm+0x40/0x70
[  235.771577]  ? pvclock_read_flags+0x160/0x160
[  235.776110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.781669]  ? check_preemption_disabled+0x48/0x200
[  235.786745]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  235.792295]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.797589]  ? rcu_pm_notify+0xc0/0xc0
[  235.801507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.807079]  ? check_preemption_disabled+0x48/0x200
[  235.812132]  run_timer_softirq+0x52/0xb0
[  235.816208]  ? rcu_read_lock_sched_held+0x108/0x120
[  235.821239]  __do_softirq+0x30b/0xad8
[  235.825086]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  235.830217]  ? schedule+0x108/0x460
[  235.833866]  ? __schedule+0x1ed0/0x1ed0
[  235.837860]  ? trace_hardirqs_off+0xb8/0x300
[  235.842285]  ? ___might_sleep+0x1ed/0x300
[  235.846533]  ? smpboot_thread_fn+0x68b/0xa00
[  235.850960]  ? trace_hardirqs_on+0x310/0x310
[  235.855387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.860952]  ? check_preemption_disabled+0x48/0x200
[  235.865995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.871551]  ? takeover_tasklets+0xa90/0xa90
[  235.875980]  run_ksoftirqd+0x94/0x100
[  235.879904]  smpboot_thread_fn+0x68b/0xa00
[  235.884174]  ? sort_range+0x30/0x30
[  235.887818]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.892937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.898634]  ? __kthread_parkme+0xfb/0x1a0
[  235.904624]  kthread+0x35a/0x420
[  235.908001]  ? sort_range+0x30/0x30
[  235.911642]  ? kthread_bind+0x40/0x40
[  235.915469]  ret_from_fork+0x3a/0x50
[  235.919215] warn_alloc_show_mem: 1 callbacks suppressed
[  235.919228] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  235.919230] Mem-Info:
[  235.919262] active_anon:44072 inactive_anon:951 isolated_anon:0
[  235.919262]  active_file:15 inactive_file:18 isolated_file:0
[  235.919262]  unevictable:0 dirty:0 writeback:0 unstable:0
[  235.919262]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  235.919262]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  235.919262]  free:13779 free_pcp:230 free_cma:0
[  235.924613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  235.931818] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  235.934231] Call Trace:
[  235.967347] Node 0 
[  235.976822]  <IRQ>
[  236.004606] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  236.007177]  dump_stack+0x1c4/0x2b4
[  236.009397] lowmem_reserve[]:
[  236.011556]  ? dump_stack_print_info.cold.2+0x52/0x52
[  236.037082]  0
[  236.040731]  warn_alloc.cold.118+0xb7/0x1bd
[  236.043813]  2815
[  236.049009]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.050797]  6318
[  236.055124]  ? lock_downgrade+0x900/0x900
[  236.057176]  6318
[  236.062024]  ? trace_hardirqs_off+0xb8/0x300
[  236.068251]  ? trace_hardirqs_off+0xb8/0x300
[  236.070332] Node 0 
[  236.074753]  __alloc_pages_slowpath+0x2667/0x2d80
[  236.079169] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  236.081413]  ? warn_alloc+0x120/0x120
[  236.086219] lowmem_reserve[]:
[  236.113128]  ? trace_hardirqs_on+0x310/0x310
[  236.116917]  0
[  236.120027]  ? warn_alloc+0x120/0x120
[  236.124413]  0 3503
[  236.126230]  ? print_usage_bug+0xc0/0xc0
[  236.130018]  3503
[  236.132260]  ? warn_alloc+0x120/0x120
[  236.138382]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  236.142166] Node 0 
[  236.147185]  ? print_usage_bug+0xc0/0xc0
[  236.147217] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  236.147224] lowmem_reserve[]:
[  236.149466]  ? __lock_acquire+0x7ec/0x4ec0
[  236.153514]  0
[  236.182079]  ? __lock_acquire+0x7ec/0x4ec0
[  236.185173]  0
[  236.189413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.191203]  0
[  236.195530]  ? should_fail+0x22d/0xd01
[  236.197318]  0
[  236.202865]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.208547]  ? __lock_acquire+0x7ec/0x4ec0
[  236.210338] Node 0 
[  236.215445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.219664] DMA: 
[  236.221908]  ? __lock_acquire+0x7ec/0x4ec0
[  236.226997] 1*4kB 
[  236.229090]  ? should_fail+0x22d/0xd01
[  236.233311] (U) 
[  236.235472]  ? print_usage_bug+0xc0/0xc0
[  236.239347] 0*8kB 
[  236.241361]  ? mark_held_locks+0x130/0x130
[  236.245492] 0*16kB 
[  236.247648]  ? mark_held_locks+0x130/0x130
[  236.251867] 1*32kB 
[  236.254123]  ? graph_lock+0x170/0x170
[  236.258337] (U) 
[  236.260583]  ? print_usage_bug+0xc0/0xc0
[  236.264365] 2*64kB (U) 
[  236.266364]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.270442] 1*128kB 
[  236.273035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.277911] (U) 
[  236.280254]  ? check_preemption_disabled+0x48/0x200
[  236.285774] 1*256kB (U) 
[  236.287766]  ? check_preemption_disabled+0x48/0x200
[  236.292771] 0*512kB 
[  236.295460]  ? __lock_is_held+0xb5/0x140
[  236.300461] 1*1024kB 
[  236.302805]  __alloc_pages_nodemask+0xa80/0xde0
[  236.306848] (U) 
[  236.309262]  ? graph_lock+0x170/0x170
[  236.314166] 1*2048kB 
[  236.316151]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  236.319934] (M) 
[  236.322348]  ? graph_lock+0x170/0x170
[  236.327356] 3*4096kB 
[  236.329346]  ? find_held_lock+0x36/0x1c0
[  236.333146] (M) 
[  236.335569]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.339703] = 15908kB
[  236.341683]  ? lock_downgrade+0x900/0x900
[  236.346338] Node 0 
[  236.348754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.352886] DMA32: 
[  236.355131]  cache_grow_begin+0x91/0x8c0
[  236.360651] 1*4kB 
[  236.362892]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.366980] (M) 
[  236.369142]  fallback_alloc+0x203/0x2e0
[  236.373532] 3*8kB 
[  236.375520]  ____cache_alloc_node+0x1c7/0x1e0
[  236.379474] (UM) 
[  236.381632]  kmem_cache_alloc_node+0xe3/0x730
[  236.386115] 0*16kB 
[  236.388191]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.392674] 3*32kB 
[  236.394921]  __alloc_skb+0x119/0x770
[  236.399135] (UM) 
[  236.401439]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  236.405139] 2*64kB 
[  236.407280]  ? skb_scrub_packet+0x490/0x490
[  236.412546] (M) 
[  236.414788]  ? lock_downgrade+0x900/0x900
[  236.419107] 5*128kB (UM) 
[  236.421120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.425257] 3*256kB 
[  236.428019]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.433687] (M) 
[  236.436016]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.441452] 4*512kB 
[  236.443468]  ? addrconf_rs_timer+0x6f0/0x6f0
[  236.448925] (M) 
[  236.451265]  ndisc_alloc_skb+0x144/0x340
[  236.455650] 3*1024kB 
[  236.457631]  ndisc_send_rs+0x331/0x6e0
[  236.461682] (UM) 
[  236.464121]  addrconf_rs_timer+0x3c0/0x6f0
[  236.467993] 3*2048kB 
[  236.470091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.474305] (M) 3*4096kB 
[  236.476743]  call_timer_fn+0x272/0x920
[  236.480955] (M) 
[  236.483720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.487595] = 25212kB
[  236.489580]  ? process_timeout+0x40/0x40
[  236.493802] Node 0 
[  236.496221]  ? find_held_lock+0x36/0x1c0
[  236.500271] Normal: 
[  236.502525]  ? __run_timers+0x7da/0xc70
[  236.506571] 887*4kB 
[  236.508898]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.512856] (UME) 
[  236.515187]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.519678] 378*8kB 
[  236.521835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.526314] (UMEH) 
[  236.528737]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  236.532956] 172*16kB 
[  236.535195]  ? trace_hardirqs_on+0xbd/0x310
[  236.539760] (UMEH) 
[  236.542171]  ? kasan_check_read+0x11/0x20
[  236.546474] 106*32kB 
[  236.548716]  ? __run_timers+0x7da/0xc70
[  236.552843] (UMEH) 
[  236.555259]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.559214] 16*64kB 
[  236.561451]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.566873] (UMH) 
[  236.569194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.573409] 0*128kB 
[  236.575558]  __run_timers+0x7e5/0xc70
[  236.579771] 1*256kB 
[  236.582113]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  236.585876] (H) 
[  236.588192]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  236.593528] 0*512kB 
[  236.595494]  ? graph_lock+0x170/0x170
[  236.600483] 0*1024kB 
[  236.602798]  ? enqueue_hrtimer+0x1a5/0x560
[  236.607066] 0*2048kB 0*4096kB 
[  236.609486]  ? lock_release+0x970/0x970
[  236.613693] = 13996kB
[  236.616877]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  236.620830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  236.623231]  ? find_held_lock+0x36/0x1c0
[  236.628398] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  236.637221]  ? graph_lock+0x170/0x170
[  236.641255] 4508 total pagecache pages
[  236.649821]  ? pvclock_read_flags+0x160/0x160
[  236.653599] 0 pages in swap cache
[  236.657478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.661950] Swap cache stats: add 0, delete 0, find 0/0
[  236.665392]  ? check_preemption_disabled+0x48/0x200
[  236.670905] Free swap  = 0kB
[  236.676268]  ? __lock_is_held+0xb5/0x140
[  236.681249] Total swap = 0kB
[  236.684261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.688298] 1965979 pages RAM
[  236.691311]  ? check_preemption_disabled+0x48/0x200
[  236.696826] 0 pages HighMem/MovableOnly
[  236.699929]  run_timer_softirq+0x52/0xb0
[  236.704917] 343323 pages reserved
[  236.708882]  ? rcu_read_lock_sched_held+0x108/0x120
[  236.712917] 0 pages cma reserved
[  236.716365]  __do_softirq+0x30b/0xad8
[  236.721422] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  236.724715]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  236.728540] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.734965]  ? pvclock_read_flags+0x160/0x160
[  236.740041] ksoftirqd/1 cpuset=
[  236.750355]  ? lapic_next_event+0x5a/0x90
[  236.754822] /
[  236.758100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.762329]  mems_allowed=0
[  236.764037]  ? check_preemption_disabled+0x48/0x200
[  236.777471]  ? check_preemption_disabled+0x48/0x200
[  236.782493]  ? kvm_clock_read+0x18/0x30
[  236.786468]  ? kvm_sched_clock_read+0x9/0x20
[  236.790881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.796417]  ? check_preemption_disabled+0x48/0x200
[  236.801450]  irq_exit+0x17f/0x1c0
[  236.804907]  smp_apic_timer_interrupt+0x1cb/0x760
[  236.809748]  ? smp_reschedule_interrupt+0x109/0x650
[  236.814771]  ? smp_call_function_single_interrupt+0x650/0x650
[  236.820654]  ? interrupt_entry+0xb5/0xf0
[  236.824719]  ? trace_hardirqs_off_caller+0xbb/0x300
[  236.829736]  ? trace_hardirqs_off_caller+0xbb/0x300
[  236.834756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.839603]  ? trace_hardirqs_off+0x300/0x300
[  236.844102]  ? trace_hardirqs_off+0x300/0x300
[  236.848600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.854135]  ? check_preemption_disabled+0x48/0x200
[  236.859152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.864698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.869553]  apic_timer_interrupt+0xf/0x20
[  236.873793]  </IRQ>
[  236.876035] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  236.880977] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  236.899875] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  236.907583] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  236.914855] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  236.922120] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  236.929386] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  236.936651] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  236.943961]  skb_clone+0x1bb/0x500
[  236.947502]  ? finish_task_switch+0x2f5/0x900
[  236.952001]  ? skb_split+0x11e0/0x11e0
[  236.955894]  ? preempt_notifier_register+0x200/0x200
[  236.961001]  ? __switch_to_asm+0x34/0x70
[  236.965073]  ? __switch_to_asm+0x34/0x70
[  236.969134]  ? __switch_to_asm+0x40/0x70
[  236.973195]  ? __switch_to_asm+0x34/0x70
[  236.977256]  ? __switch_to_asm+0x40/0x70
[  236.981317]  ? __switch_to_asm+0x34/0x70
[  236.985378]  ? __switch_to_asm+0x40/0x70
[  236.989437]  ? __switch_to_asm+0x34/0x70
[  236.993496]  ? __switch_to_asm+0x34/0x70
[  236.997555]  ? __switch_to_asm+0x40/0x70
[  237.001613]  ? __switch_to_asm+0x34/0x70
[  237.005684]  bpf_clone_redirect+0xb9/0x490
[  237.009919]  ? __schedule+0x874/0x1ed0
[  237.013814]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  237.018832]  ? __sched_text_start+0x8/0x8
[  237.022985]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  237.027755]  ? find_held_lock+0x36/0x1c0
[  237.031822]  ? lock_acquire+0x1ed/0x520
[  237.035794]  ? bpf_test_run+0x32e/0x5a0
[  237.039773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.045312]  ? check_preemption_disabled+0x48/0x200
[  237.050335]  ? kasan_check_read+0x11/0x20
[  237.054484]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.059762]  ? rcu_bh_qs+0xc0/0xc0
[  237.063305]  ? preempt_schedule+0x4d/0x60
[  237.067456]  ? ___preempt_schedule+0x16/0x18
[  237.071871]  ? bpf_test_run+0x1c0/0x5a0
[  237.075860]  ? netlink_diag_dump+0x2a0/0x2a0
[  237.080270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.085808]  ? bpf_test_init.isra.9+0x70/0x100
[  237.090397]  ? bpf_prog_test_run_skb+0x634/0xb40
[  237.095163]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  237.100009]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.105547]  ? fput+0x130/0x1a0
[  237.108831]  ? __bpf_prog_get+0x9b/0x290
[  237.112898]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  237.117742]  ? bpf_prog_test_run+0x130/0x1a0
[  237.122152]  ? __x64_sys_bpf+0x3d8/0x510
[  237.126214]  ? bpf_prog_get+0x20/0x20
[  237.130037]  ? do_syscall_64+0x1b9/0x820
[  237.134110]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  237.139477]  ? syscall_return_slowpath+0x5e0/0x5e0
[  237.144407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.149250]  ? trace_hardirqs_off+0x300/0x300
[  237.153747]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  237.158768]  ? prepare_exit_to_usermode+0x291/0x3b0
[  237.163790]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.168640]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  237.174021] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  237.174108] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.180864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.180870] Call Trace:
[  237.180888]  dump_stack+0x1c4/0x2b4
[  237.180909]  ? dump_stack_print_info.cold.2+0x52/0x52
[  237.187435] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.196738]  warn_alloc.cold.118+0xb7/0x1bd
[  237.199289] syz-executor4 cpuset=
[  237.202906]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.208075] syz4
[  237.218551]  ? lock_downgrade+0x900/0x900
[  237.222851]  mems_allowed=0
[  237.226294]  ? trace_hardirqs_off+0xb8/0x300
[  237.244537]  ? trace_hardirqs_off+0xb8/0x300
[  237.248961]  __alloc_pages_slowpath+0x2667/0x2d80
[  237.253825]  ? lockdep_on+0x50/0x50
[  237.257462]  ? warn_alloc+0x120/0x120
[  237.261269]  ? warn_alloc+0x120/0x120
[  237.265081]  ? print_usage_bug+0xc0/0xc0
[  237.269148]  ? warn_alloc+0x120/0x120
[  237.272959]  ? print_usage_bug+0xc0/0xc0
[  237.277023]  ? __lock_acquire+0x7ec/0x4ec0
[  237.281265]  ? __lock_acquire+0x7ec/0x4ec0
[  237.285506]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.291047]  ? should_fail+0x22d/0xd01
[  237.294959]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.300073]  ? __lock_acquire+0x7ec/0x4ec0
[  237.304317]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.309420]  ? __lock_acquire+0x7ec/0x4ec0
[  237.313653]  ? should_fail+0x22d/0xd01
[  237.317549]  ? mark_held_locks+0x130/0x130
[  237.321812]  ? mark_held_locks+0x130/0x130
[  237.326046]  ? graph_lock+0x170/0x170
[  237.329854]  ? graph_lock+0x170/0x170
[  237.333661]  ? graph_lock+0x170/0x170
[  237.337460]  ? print_usage_bug+0xc0/0xc0
[  237.341524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.347092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.352631]  ? check_preemption_disabled+0x48/0x200
[  237.357644]  ? check_preemption_disabled+0x48/0x200
[  237.362670]  ? __lock_is_held+0xb5/0x140
[  237.366742]  __alloc_pages_nodemask+0xa80/0xde0
[  237.371428]  ? graph_lock+0x170/0x170
[  237.375237]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  237.380249]  ? graph_lock+0x170/0x170
[  237.384072]  ? find_held_lock+0x36/0x1c0
[  237.388148]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.392818]  ? lock_downgrade+0x900/0x900
[  237.396978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.402526]  cache_grow_begin+0x91/0x8c0
[  237.406596]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.411018]  fallback_alloc+0x203/0x2e0
[  237.415000]  ____cache_alloc_node+0x1c7/0x1e0
[  237.419505]  kmem_cache_alloc_node+0xe3/0x730
[  237.424006]  ? ipv6_get_ifaddr+0x42e/0x620
[  237.428256]  __alloc_skb+0x119/0x770
[  237.431972]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.437256]  ? skb_scrub_packet+0x490/0x490
[  237.441582]  ? lock_downgrade+0x900/0x900
[  237.445742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.451282]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.456737]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.462195]  ? addrconf_rs_timer+0x6f0/0x6f0
[  237.466622]  ndisc_alloc_skb+0x144/0x340
[  237.470687]  ndisc_send_rs+0x331/0x6e0
[  237.474802]  addrconf_rs_timer+0x3c0/0x6f0
[  237.479049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.483312]  call_timer_fn+0x272/0x920
[  237.487199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.491441]  ? process_timeout+0x40/0x40
[  237.495518]  ? find_held_lock+0x36/0x1c0
[  237.499597]  ? __run_timers+0x7da/0xc70
[  237.503584]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.508084]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.512586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.516824]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  237.521408]  ? trace_hardirqs_on+0xbd/0x310
[  237.525730]  ? kasan_check_read+0x11/0x20
[  237.529879]  ? __run_timers+0x7da/0xc70
[  237.533856]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  237.539313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.543553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.547795]  __run_timers+0x7e5/0xc70
[  237.551611]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  237.556973]  ? compat_start_thread+0x80/0x80
[  237.561384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.566932]  ? kasan_check_write+0x14/0x20
[  237.571178]  ? finish_task_switch+0x2f5/0x900
[  237.575673]  ? __switch_to_asm+0x40/0x70
[  237.579766]  ? preempt_notifier_register+0x200/0x200
[  237.584869]  ? __switch_to_asm+0x34/0x70
[  237.588927]  ? __switch_to_asm+0x40/0x70
[  237.592984]  ? __switch_to_asm+0x34/0x70
[  237.597046]  ? __switch_to_asm+0x40/0x70
[  237.601117]  ? __switch_to_asm+0x34/0x70
[  237.605177]  ? __switch_to_asm+0x40/0x70
[  237.609274]  ? pvclock_read_flags+0x160/0x160
[  237.613774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.619314]  ? check_preemption_disabled+0x48/0x200
[  237.624342]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  237.629884]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.635165]  ? rcu_pm_notify+0xc0/0xc0
[  237.639064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.644602]  ? check_preemption_disabled+0x48/0x200
[  237.649625]  run_timer_softirq+0x52/0xb0
[  237.653685]  ? rcu_read_lock_sched_held+0x108/0x120
[  237.658702]  __do_softirq+0x30b/0xad8
[  237.662519]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  237.667632]  ? schedule+0x108/0x460
[  237.671264]  ? __schedule+0x1ed0/0x1ed0
[  237.675245]  ? trace_hardirqs_off+0xb8/0x300
[  237.679659]  ? ___might_sleep+0x1ed/0x300
[  237.683806]  ? smpboot_thread_fn+0x68b/0xa00
[  237.688216]  ? trace_hardirqs_on+0x310/0x310
[  237.692627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.698164]  ? check_preemption_disabled+0x48/0x200
[  237.703182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.708722]  ? takeover_tasklets+0xa90/0xa90
[  237.713134]  run_ksoftirqd+0x94/0x100
[  237.716934]  smpboot_thread_fn+0x68b/0xa00
[  237.721172]  ? sort_range+0x30/0x30
[  237.724803]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.729908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.735450]  ? __kthread_parkme+0xfb/0x1a0
[  237.739692]  kthread+0x35a/0x420
[  237.743063]  ? sort_range+0x30/0x30
[  237.746690]  ? kthread_bind+0x40/0x40
[  237.750496]  ret_from_fork+0x3a/0x50
[  237.754229] warn_alloc_show_mem: 1 callbacks suppressed
[  237.754241] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  237.754243] Mem-Info:
[  237.754274] active_anon:44072 inactive_anon:951 isolated_anon:0
[  237.754274]  active_file:15 inactive_file:18 isolated_file:0
[  237.754274]  unevictable:0 dirty:0 writeback:0 unstable:0
[  237.754274]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  237.754274]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  237.754274]  free:13779 free_pcp:230 free_cma:0
[  237.759611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.766797] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  237.769194] Call Trace:
[  237.802143] Node 0 
[  237.811493]  <IRQ>
[  237.839263] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  237.841820]  dump_stack+0x1c4/0x2b4
[  237.844026] lowmem_reserve[]:
[  237.846178]  ? dump_stack_print_info.cold.2+0x52/0x52
[  237.871656]  0
[  237.875286]  warn_alloc.cold.118+0xb7/0x1bd
[  237.878357]  2815
[  237.883538]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.885316]  6318
[  237.889630]  ? lock_downgrade+0x900/0x900
[  237.891671]  6318
[  237.896509]  ? trace_hardirqs_off+0xb8/0x300
[  237.902686]  ? trace_hardirqs_off+0xb8/0x300
[  237.904724] Node 0 
[  237.909132]  __alloc_pages_slowpath+0x2667/0x2d80
[  237.913535] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  237.915768]  ? warn_alloc+0x120/0x120
[  237.920563] lowmem_reserve[]:
[  237.947448]  ? warn_alloc+0x120/0x120
[  237.951220]  0
[  237.954317]  ? print_usage_bug+0xc0/0xc0
[  237.958092]  0
[  237.959887]  ? warn_alloc+0x120/0x120
[  237.963924]  3503
[  237.965718]  ? print_usage_bug+0xc0/0xc0
[  237.969503]  3503
[  237.971566]  ? __lock_acquire+0x7ec/0x4ec0
[  237.975608] Node 0 
[  237.977665]  ? __lock_acquire+0x7ec/0x4ec0
[  237.981899] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  237.984110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.988317] lowmem_reserve[]:
[  238.016676]  ? should_fail+0x22d/0xd01
[  238.022189]  0
[  238.025288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.029145]  0
[  238.030943]  ? __lock_acquire+0x7ec/0x4ec0
[  238.036019]  0
[  238.037814]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.042018]  0
[  238.043811]  ? __lock_acquire+0x7ec/0x4ec0
[  238.050681]  ? should_fail+0x22d/0xd01
[  238.054888] Node 0 DMA: 
[  238.058774]  ? mark_held_locks+0x130/0x130
[  238.058778] 1*4kB (U) 
[  238.061457]  ? mark_held_locks+0x130/0x130
[  238.065666] 0*8kB 
[  238.068157]  ? graph_lock+0x170/0x170
[  238.072366] 0*16kB 
[  238.074507]  ? graph_lock+0x170/0x170
[  238.078284] 1*32kB 
[  238.080513]  ? graph_lock+0x170/0x170
[  238.084290] (U) 
[  238.086519]  ? print_usage_bug+0xc0/0xc0
[  238.090293] 2*64kB 
[  238.092264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.096292] (U) 
[  238.098523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.104032] 1*128kB 
[  238.106007]  ? check_preemption_disabled+0x48/0x200
[  238.111514] (U) 
[  238.113830]  ? check_preemption_disabled+0x48/0x200
[  238.118814] 1*256kB (U) 
[  238.120797]  ? __lock_is_held+0xb5/0x140
[  238.125783] 0*512kB 
[  238.128449]  __alloc_pages_nodemask+0xa80/0xde0
[  238.132480] 1*1024kB 
[  238.134795]  ? graph_lock+0x170/0x170
[  238.139443] (U) 
[  238.141846]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  238.145623] 1*2048kB 
[  238.147588]  ? graph_lock+0x170/0x170
[  238.152589] (M) 
[  238.154998]  ? find_held_lock+0x36/0x1c0
[  238.158768] 3*4096kB 
[  238.160753]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.164787] (M) 
[  238.167194]  ? lock_downgrade+0x900/0x900
[  238.171830] = 15908kB
[  238.171838] Node 0 
[  238.173814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.177931] DMA32: 
[  238.180337]  cache_grow_begin+0x91/0x8c0
[  238.182549] 1*4kB 
[  238.188090]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.190300] (M) 
[  238.194357]  fallback_alloc+0x203/0x2e0
[  238.196479] 3*8kB 
[  238.200881]  ____cache_alloc_node+0x1c7/0x1e0
[  238.202918] (UM) 
[  238.206886]  kmem_cache_alloc_node+0xe3/0x730
[  238.209008] 0*16kB 
[  238.213496]  ? ipv6_get_ifaddr+0x42e/0x620
[  238.215536] 3*32kB 
[  238.220024]  __alloc_skb+0x119/0x770
[  238.222248] (UM) 
[  238.226480]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.228690] 2*64kB 
[  238.232398]  ? skb_scrub_packet+0x490/0x490
[  238.234434] (M) 
[  238.239792]  ? lock_downgrade+0x900/0x900
[  238.242008] 5*128kB 
[  238.246328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.248274] (UM) 
[  238.252414]  ? refcount_sub_and_test_checked+0x203/0x310
[  238.254715] 3*256kB 
[  238.260243]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  238.262284] (M) 
[  238.267731]  ? addrconf_rs_timer+0x6f0/0x6f0
[  238.270032] 4*512kB 
[  238.275493]  ndisc_alloc_skb+0x144/0x340
[  238.277436] (M) 
[  238.281843]  ndisc_send_rs+0x331/0x6e0
[  238.284140] 3*1024kB 
[  238.288195]  addrconf_rs_timer+0x3c0/0x6f0
[  238.290142] (UM) 
[  238.294026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.296409] 3*2048kB 
[  238.300641]  call_timer_fn+0x272/0x920
[  238.302667] (M) 
[  238.306893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.309274] 3*4096kB (M) 
[  238.313162]  ? process_timeout+0x40/0x40
[  238.315116] = 25212kB
[  238.319343]  ? find_held_lock+0x36/0x1c0
[  238.322082] Node 0 
[  238.326140]  ? __run_timers+0x7da/0xc70
[  238.328522] Normal: 
[  238.332583]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.334794] 887*4kB 
[  238.338760]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.341077] (UME) 
[  238.345567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.347869] 378*8kB 
[  238.352356]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  238.354482] (UMEH) 
[  238.358711]  ? trace_hardirqs_on+0xbd/0x310
[  238.361011] 172*16kB 
[  238.365578]  ? kasan_check_read+0x11/0x20
[  238.365596]  ? __run_timers+0x7da/0xc70
[  238.367805] (UMEH) 
[  238.372119]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.374507] 106*32kB 
[  238.378648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.382592] (UMEH) 
[  238.384822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.390243] 16*64kB 
[  238.392646]  __run_timers+0x7e5/0xc70
[  238.396852] (UMH) 
[  238.399101]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  238.403300] 0*128kB 
[  238.405614]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  238.409390] 1*256kB 
[  238.411532]  ? graph_lock+0x170/0x170
[  238.416875] (H) 
[  238.419193]  ? enqueue_hrtimer+0x1a5/0x560
[  238.424183] 0*512kB 
[  238.426495]  ? lock_release+0x970/0x970
[  238.430270] 0*1024kB 
[  238.432235]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  238.436445] 0*2048kB 
[  238.438761]  ? find_held_lock+0x36/0x1c0
[  238.442706] 0*4096kB 
[  238.445108]  ? graph_lock+0x170/0x170
[  238.450271] = 13996kB
[  238.452675]  ? pvclock_read_flags+0x160/0x160
[  238.456715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  238.459127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.462907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  238.465303]  ? check_preemption_disabled+0x48/0x200
[  238.469776] 4508 total pagecache pages
[  238.479121]  ? __lock_is_held+0xb5/0x140
[  238.484630] 0 pages in swap cache
[  238.493196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.498188] Swap cache stats: add 0, delete 0, find 0/0
[  238.502080]  ? check_preemption_disabled+0x48/0x200
[  238.506113] Free swap  = 0kB
[  238.509585]  run_timer_softirq+0x52/0xb0
[  238.515098] Total swap = 0kB
[  238.520455]  ? rcu_read_lock_sched_held+0x108/0x120
[  238.525443] 1965979 pages RAM
[  238.528457]  __do_softirq+0x30b/0xad8
[  238.532488] 0 pages HighMem/MovableOnly
[  238.535507]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  238.540490] 343323 pages reserved
[  238.543592]  ? pvclock_read_flags+0x160/0x160
[  238.547366] 0 pages cma reserved
[  238.551333]  ? lapic_next_event+0x5a/0x90
[  238.556480] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  238.559853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.564412] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  238.567683]  ? check_preemption_disabled+0x48/0x200
[  238.571805] ksoftirqd/1 cpuset=
[  238.578287]  ? check_preemption_disabled+0x48/0x200
[  238.583799] /
[  238.594115]  ? kvm_clock_read+0x18/0x30
[  238.599112]  mems_allowed=0
[  238.602385]  ? kvm_sched_clock_read+0x9/0x20
[  238.620837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.626375]  ? check_preemption_disabled+0x48/0x200
[  238.631403]  irq_exit+0x17f/0x1c0
[  238.634863]  smp_apic_timer_interrupt+0x1cb/0x760
[  238.639705]  ? smp_reschedule_interrupt+0x109/0x650
[  238.644727]  ? smp_call_function_single_interrupt+0x650/0x650
[  238.650614]  ? interrupt_entry+0xb5/0xf0
[  238.654679]  ? trace_hardirqs_off_caller+0xbb/0x300
[  238.659694]  ? trace_hardirqs_off_caller+0xbb/0x300
[  238.664715]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.669560]  ? trace_hardirqs_off+0x300/0x300
[  238.674062]  ? trace_hardirqs_off+0x300/0x300
[  238.678565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.684102]  ? check_preemption_disabled+0x48/0x200
[  238.689118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.694666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.699521]  apic_timer_interrupt+0xf/0x20
[  238.703751]  </IRQ>
[  238.705991] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  238.710924] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  238.729856] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  238.737571] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  238.744836] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  238.752103] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  238.759367] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  238.766637] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  238.773955]  skb_clone+0x1bb/0x500
[  238.777496]  ? finish_task_switch+0x2f5/0x900
[  238.781993]  ? skb_split+0x11e0/0x11e0
[  238.785880]  ? preempt_notifier_register+0x200/0x200
[  238.790984]  ? __switch_to_asm+0x34/0x70
[  238.795045]  ? __switch_to_asm+0x34/0x70
[  238.799120]  ? __switch_to_asm+0x40/0x70
[  238.803180]  ? __switch_to_asm+0x34/0x70
[  238.807257]  ? __switch_to_asm+0x40/0x70
[  238.811318]  ? __switch_to_asm+0x34/0x70
[  238.815377]  ? __switch_to_asm+0x40/0x70
[  238.819438]  ? __switch_to_asm+0x34/0x70
[  238.823503]  ? __switch_to_asm+0x34/0x70
[  238.827560]  ? __switch_to_asm+0x40/0x70
[  238.831619]  ? __switch_to_asm+0x34/0x70
[  238.835689]  bpf_clone_redirect+0xb9/0x490
[  238.839929]  ? __schedule+0x874/0x1ed0
[  238.843822]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  238.848841]  ? __sched_text_start+0x8/0x8
[  238.852988]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  238.857757]  ? find_held_lock+0x36/0x1c0
[  238.861838]  ? lock_acquire+0x1ed/0x520
[  238.865812]  ? bpf_test_run+0x32e/0x5a0
[  238.869786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.875324]  ? check_preemption_disabled+0x48/0x200
[  238.880351]  ? kasan_check_read+0x11/0x20
[  238.884501]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.889778]  ? rcu_bh_qs+0xc0/0xc0
[  238.893321]  ? preempt_schedule+0x4d/0x60
[  238.897472]  ? ___preempt_schedule+0x16/0x18
[  238.901886]  ? bpf_test_run+0x1c0/0x5a0
[  238.905879]  ? netlink_diag_dump+0x2a0/0x2a0
[  238.910297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.915833]  ? bpf_test_init.isra.9+0x70/0x100
[  238.920424]  ? bpf_prog_test_run_skb+0x634/0xb40
[  238.925187]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  238.930035]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  238.935590]  ? fput+0x130/0x1a0
[  238.938870]  ? __bpf_prog_get+0x9b/0x290
[  238.942935]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  238.947776]  ? bpf_prog_test_run+0x130/0x1a0
[  238.952192]  ? __x64_sys_bpf+0x3d8/0x510
[  238.956252]  ? bpf_prog_get+0x20/0x20
[  238.960087]  ? do_syscall_64+0x1b9/0x820
[  238.964154]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  238.969523]  ? syscall_return_slowpath+0x5e0/0x5e0
[  238.974450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.979300]  ? trace_hardirqs_off+0x300/0x300
[  238.983801]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  238.988822]  ? prepare_exit_to_usermode+0x291/0x3b0
[  238.993843]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.998699]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  239.004093] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  239.004165] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.010935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.010940] Call Trace:
[  239.010959]  dump_stack+0x1c4/0x2b4
[  239.010980]  ? dump_stack_print_info.cold.2+0x52/0x52
[  239.017506] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.026832]  warn_alloc.cold.118+0xb7/0x1bd
[  239.029382] syz-executor4 cpuset=
[  239.033016]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.038182] syz4
[  239.048661]  ? lock_downgrade+0x900/0x900
[  239.052962]  mems_allowed=0
[  239.056412]  ? trace_hardirqs_off+0xb8/0x300
[  239.074637]  ? trace_hardirqs_off+0xb8/0x300
[  239.079068]  __alloc_pages_slowpath+0x2667/0x2d80
[  239.083938]  ? lockdep_on+0x50/0x50
[  239.087581]  ? warn_alloc+0x120/0x120
[  239.091392]  ? warn_alloc+0x120/0x120
[  239.095195]  ? print_usage_bug+0xc0/0xc0
[  239.099260]  ? warn_alloc+0x120/0x120
[  239.103069]  ? print_usage_bug+0xc0/0xc0
[  239.107138]  ? __lock_acquire+0x7ec/0x4ec0
[  239.111371]  ? __lock_acquire+0x7ec/0x4ec0
[  239.115611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.121153]  ? should_fail+0x22d/0xd01
[  239.125045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.130179]  ? __lock_acquire+0x7ec/0x4ec0
[  239.134419]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.139524]  ? __lock_acquire+0x7ec/0x4ec0
[  239.143759]  ? should_fail+0x22d/0xd01
[  239.147647]  ? print_usage_bug+0xc0/0xc0
[  239.151722]  ? mark_held_locks+0x130/0x130
[  239.155962]  ? mark_held_locks+0x130/0x130
[  239.160206]  ? graph_lock+0x170/0x170
[  239.164005]  ? print_usage_bug+0xc0/0xc0
[  239.168096]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  239.172873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.178423]  ? check_preemption_disabled+0x48/0x200
[  239.183435]  ? check_preemption_disabled+0x48/0x200
[  239.188467]  ? __lock_is_held+0xb5/0x140
[  239.192538]  __alloc_pages_nodemask+0xa80/0xde0
[  239.197216]  ? graph_lock+0x170/0x170
[  239.201022]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  239.206052]  ? graph_lock+0x170/0x170
[  239.209873]  ? find_held_lock+0x36/0x1c0
[  239.213943]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.218618]  ? lock_downgrade+0x900/0x900
[  239.222774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.228316]  cache_grow_begin+0x91/0x8c0
[  239.232379]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.236798]  fallback_alloc+0x203/0x2e0
[  239.240784]  ____cache_alloc_node+0x1c7/0x1e0
[  239.245286]  kmem_cache_alloc_node+0xe3/0x730
[  239.249783]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.254027]  __alloc_skb+0x119/0x770
[  239.257750]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  239.263036]  ? skb_scrub_packet+0x490/0x490
[  239.267373]  ? lock_downgrade+0x900/0x900
[  239.271530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.277080]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.282539]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.288005]  ? addrconf_rs_timer+0x6f0/0x6f0
[  239.292428]  ndisc_alloc_skb+0x144/0x340
[  239.296494]  ndisc_send_rs+0x331/0x6e0
[  239.300390]  addrconf_rs_timer+0x3c0/0x6f0
[  239.304630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.308880]  call_timer_fn+0x272/0x920
[  239.312770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.317181]  ? process_timeout+0x40/0x40
[  239.321239]  ? find_held_lock+0x36/0x1c0
[  239.325311]  ? __run_timers+0x7da/0xc70
[  239.329288]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.333780]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.338275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.342513]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  239.347099]  ? trace_hardirqs_on+0xbd/0x310
[  239.351418]  ? kasan_check_read+0x11/0x20
[  239.355574]  ? __run_timers+0x7da/0xc70
[  239.359552]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  239.365014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.369259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.373492]  __run_timers+0x7e5/0xc70
[  239.377310]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  239.382678]  ? compat_start_thread+0x80/0x80
[  239.387096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.392641]  ? kasan_check_write+0x14/0x20
[  239.396880]  ? finish_task_switch+0x2f5/0x900
[  239.401377]  ? __switch_to_asm+0x40/0x70
[  239.405446]  ? preempt_notifier_register+0x200/0x200
[  239.410552]  ? __switch_to_asm+0x34/0x70
[  239.414617]  ? __switch_to_asm+0x40/0x70
[  239.418673]  ? __switch_to_asm+0x34/0x70
[  239.422734]  ? __switch_to_asm+0x40/0x70
[  239.426796]  ? __switch_to_asm+0x34/0x70
[  239.430857]  ? __switch_to_asm+0x40/0x70
[  239.434928]  ? pvclock_read_flags+0x160/0x160
[  239.439429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.444967]  ? check_preemption_disabled+0x48/0x200
[  239.449996]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  239.455533]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  239.460821]  ? rcu_pm_notify+0xc0/0xc0
[  239.464714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.470251]  ? check_preemption_disabled+0x48/0x200
[  239.475462]  run_timer_softirq+0x52/0xb0
[  239.479529]  ? rcu_read_lock_sched_held+0x108/0x120
[  239.484550]  __do_softirq+0x30b/0xad8
[  239.488368]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  239.493484]  ? schedule+0x108/0x460
[  239.497121]  ? __schedule+0x1ed0/0x1ed0
[  239.501106]  ? trace_hardirqs_off+0xb8/0x300
[  239.505516]  ? ___might_sleep+0x1ed/0x300
[  239.509662]  ? smpboot_thread_fn+0x68b/0xa00
[  239.514080]  ? trace_hardirqs_on+0x310/0x310
[  239.518494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.524030]  ? check_preemption_disabled+0x48/0x200
[  239.529066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.534613]  ? takeover_tasklets+0xa90/0xa90
[  239.539032]  run_ksoftirqd+0x94/0x100
[  239.542845]  smpboot_thread_fn+0x68b/0xa00
[  239.547095]  ? sort_range+0x30/0x30
[  239.550737]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.555844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.561382]  ? __kthread_parkme+0xfb/0x1a0
[  239.565627]  kthread+0x35a/0x420
[  239.568995]  ? sort_range+0x30/0x30
[  239.572623]  ? kthread_bind+0x40/0x40
[  239.576429]  ret_from_fork+0x3a/0x50
[  239.580174] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  239.580180] warn_alloc_show_mem: 1 callbacks suppressed
[  239.580187] Mem-Info:
[  239.587371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.592739] active_anon:44072 inactive_anon:951 isolated_anon:0
[  239.592739]  active_file:15 inactive_file:18 isolated_file:0
[  239.592739]  unevictable:0 dirty:0 writeback:0 unstable:0
[  239.592739]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  239.592739]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  239.592739]  free:13779 free_pcp:230 free_cma:0
[  239.595112] Call Trace:
[  239.604500] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  239.637427]  <IRQ>
[  239.639997] Node 0 
[  239.667752]  dump_stack+0x1c4/0x2b4
[  239.669900] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  239.672103]  ? dump_stack_print_info.cold.2+0x52/0x52
[  239.675705] lowmem_reserve[]:
[  239.701213]  warn_alloc.cold.118+0xb7/0x1bd
[  239.706369]  0
[  239.709467]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.713760]  2815
[  239.715557]  ? lock_downgrade+0x900/0x900
[  239.720375]  6318
[  239.722433]  ? trace_hardirqs_off+0xb8/0x300
[  239.726573]  6318
[  239.728632]  ? trace_hardirqs_off+0xb8/0x300
[  239.735097]  __alloc_pages_slowpath+0x2667/0x2d80
[  239.739478] Node 0 DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  239.744339]  ? warn_alloc+0x120/0x120
[  239.744359]  ? warn_alloc+0x120/0x120
[  239.771826] lowmem_reserve[]: 0
[  239.775642]  ? print_usage_bug+0xc0/0xc0
[  239.779412]  0
[  239.782683]  ? warn_alloc+0x120/0x120
[  239.786717]  3503
[  239.788521]  ? print_usage_bug+0xc0/0xc0
[  239.792297]  3503
[  239.794352]  ? __lock_acquire+0x7ec/0x4ec0
[  239.798392] Node 0 
[  239.800448]  ? __lock_acquire+0x7ec/0x4ec0
[  239.804682] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  239.806888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.811096] lowmem_reserve[]:
[  239.839466]  ? should_fail+0x22d/0xd01
[  239.844977]  0
[  239.848088]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.851945]  0
[  239.853744]  ? __lock_acquire+0x7ec/0x4ec0
[  239.858821]  0
[  239.860618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.864823]  0
[  239.866617]  ? __lock_acquire+0x7ec/0x4ec0
[  239.873486]  ? should_fail+0x22d/0xd01
[  239.877714] Node 0 DMA: 1*4kB 
[  239.881604]  ? mark_held_locks+0x130/0x130
[  239.881622]  ? mark_held_locks+0x130/0x130
[  239.884791] (U) 
[  239.889018]  ? graph_lock+0x170/0x170
[  239.893230] 0*8kB 
[  239.895195]  ? graph_lock+0x170/0x170
[  239.898974] 0*16kB 
[  239.901116]  ? graph_lock+0x170/0x170
[  239.904897] 1*32kB 
[  239.907130]  ? print_usage_bug+0xc0/0xc0
[  239.910920] (U) 
[  239.913153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.917185] 2*64kB 
[  239.919153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.924662] (U) 
[  239.926895]  ? check_preemption_disabled+0x48/0x200
[  239.932406] 1*128kB 
[  239.934372]  ? check_preemption_disabled+0x48/0x200
[  239.939361] (U) 
[  239.941688]  ? __lock_is_held+0xb5/0x140
[  239.946670] 1*256kB 
[  239.948644]  __alloc_pages_nodemask+0xa80/0xde0
[  239.952675] (U) 
[  239.954994]  ? graph_lock+0x170/0x170
[  239.959641] 0*512kB 
[  239.961613]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  239.965388] 1*1024kB 
[  239.967705]  ? graph_lock+0x170/0x170
[  239.972697] (U) 
[  239.975112]  ? find_held_lock+0x36/0x1c0
[  239.978882] 1*2048kB 
[  239.980857]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.984885] (M) 
[  239.987292]  ? lock_downgrade+0x900/0x900
[  239.991934] 3*4096kB 
[  239.993908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.998023] (M) 
[  240.000430]  cache_grow_begin+0x91/0x8c0
[  240.005937] = 15908kB
[  240.007906]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.011943] Node 0 
[  240.014349]  fallback_alloc+0x203/0x2e0
[  240.018726] DMA32: 
[  240.020958]  ____cache_alloc_node+0x1c7/0x1e0
[  240.024905] 1*4kB 
[  240.027134]  kmem_cache_alloc_node+0xe3/0x730
[  240.031597] (M) 
[  240.033741]  ? ipv6_get_ifaddr+0x42e/0x620
[  240.038206] 3*8kB 
[  240.040185]  __alloc_skb+0x119/0x770
[  240.044385] (UM) 
[  240.046535]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.050225] 0*16kB 
[  240.052281]  ? skb_scrub_packet+0x490/0x490
[  240.057535] 3*32kB 
[  240.059762]  ? lock_downgrade+0x900/0x900
[  240.064065] (UM) 
[  240.066303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.070421] 2*64kB 
[  240.072477]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.077986] (M) 
[  240.080219]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.085643] 5*128kB 
[  240.087614]  ? addrconf_rs_timer+0x6f0/0x6f0
[  240.093037] (UM) 
[  240.095379]  ndisc_alloc_skb+0x144/0x340
[  240.099754] 3*256kB 
[  240.101811]  ndisc_send_rs+0x331/0x6e0
[  240.105848] (M) 
[  240.108169]  addrconf_rs_timer+0x3c0/0x6f0
[  240.112028] 4*512kB 
[  240.114000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.118206] (M) 
[  240.120552]  call_timer_fn+0x272/0x920
[  240.124745] 3*1024kB (UM) 
[  240.126724]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.130588] 3*2048kB 
[  240.133426]  ? process_timeout+0x40/0x40
[  240.137634] (M) 
[  240.140037]  ? find_held_lock+0x36/0x1c0
[  240.144072] 3*4096kB (M) 
[  240.146074]  ? __run_timers+0x7da/0xc70
[  240.150102] = 25212kB
[  240.152856]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.156803] Node 0 
[  240.159210]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.163686] Normal: 
[  240.165910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.165928]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  240.170398] 887*4kB 
[  240.172712]  ? trace_hardirqs_on+0xbd/0x310
[  240.176922] (UME) 
[  240.181499]  ? kasan_check_read+0x11/0x20
[  240.183797] 378*8kB 
[  240.188114]  ? __run_timers+0x7da/0xc70
[  240.190238] (UMEH) 
[  240.194382]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.196682] 172*16kB 
[  240.200651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.202862] (UMEH) 
[  240.208307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.210689] 106*32kB 
[  240.214920]  __run_timers+0x7e5/0xc70
[  240.217129] (UMEH) 
[  240.221367]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  240.223743] 16*64kB 
[  240.227533]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  240.229744] (UMH) 
[  240.235100]  ? graph_lock+0x170/0x170
[  240.237398] 0*128kB 
[  240.242404]  ? enqueue_hrtimer+0x1a5/0x560
[  240.244530] 1*256kB 
[  240.248321]  ? lock_release+0x970/0x970
[  240.250621] (H) 
[  240.254848]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  240.257149] 0*512kB 
[  240.261126]  ? find_held_lock+0x36/0x1c0
[  240.263076] 0*1024kB 0*2048kB 
[  240.268270]  ? graph_lock+0x170/0x170
[  240.270563] 0*4096kB = 13996kB
[  240.274628]  ? pvclock_read_flags+0x160/0x160
[  240.277805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  240.281591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.284759] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  240.289243]  ? check_preemption_disabled+0x48/0x200
[  240.298053] 4508 total pagecache pages
[  240.303601]  ? __lock_is_held+0xb5/0x140
[  240.312148] 0 pages in swap cache
[  240.317155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.321021] Swap cache stats: add 0, delete 0, find 0/0
[  240.325082]  ? check_preemption_disabled+0x48/0x200
[  240.328506] Free swap  = 0kB
[  240.334037]  run_timer_softirq+0x52/0xb0
[  240.339368] Total swap = 0kB
[  240.344376]  ? rcu_read_lock_sched_held+0x108/0x120
[  240.347369] 1965979 pages RAM
[  240.351426]  __do_softirq+0x30b/0xad8
[  240.354415] 0 pages HighMem/MovableOnly
[  240.359432]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  240.362518] 343323 pages reserved
[  240.366315]  ? pvclock_read_flags+0x160/0x160
[  240.370270] 0 pages cma reserved
[  240.375361]  ? lapic_next_event+0x5a/0x90
[  240.378903] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  240.383317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.383332]  ? check_preemption_disabled+0x48/0x200
[  240.383347]  ? check_preemption_disabled+0x48/0x200
[  240.386750] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  240.390834]  ? kvm_clock_read+0x18/0x30
[  240.397299] ksoftirqd/1 cpuset=
[  240.402829]  ? kvm_sched_clock_read+0x9/0x20
[  240.407816] /
[  240.412827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.423117]  mems_allowed=0
[  240.427094]  ? check_preemption_disabled+0x48/0x200
[  240.449894]  irq_exit+0x17f/0x1c0
[  240.453352]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.458195]  ? smp_reschedule_interrupt+0x109/0x650
[  240.463214]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.469107]  ? interrupt_entry+0xb5/0xf0
[  240.473170]  ? trace_hardirqs_off_caller+0xbb/0x300
[  240.478186]  ? trace_hardirqs_off_caller+0xbb/0x300
[  240.483206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.488051]  ? trace_hardirqs_off+0x300/0x300
[  240.492563]  ? trace_hardirqs_off+0x300/0x300
[  240.497075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.502616]  ? check_preemption_disabled+0x48/0x200
[  240.507630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.513176]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.518028]  apic_timer_interrupt+0xf/0x20
[  240.522268]  </IRQ>
[  240.524507] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  240.529437] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  240.548350] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  240.556079] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  240.563353] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  240.570622] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  240.577972] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  240.585241] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  240.592553]  skb_clone+0x1bb/0x500
[  240.596107]  ? finish_task_switch+0x2f5/0x900
[  240.600606]  ? skb_split+0x11e0/0x11e0
[  240.604669]  ? preempt_notifier_register+0x200/0x200
[  240.609775]  ? __switch_to_asm+0x34/0x70
[  240.613836]  ? __switch_to_asm+0x34/0x70
[  240.617895]  ? __switch_to_asm+0x40/0x70
[  240.621953]  ? __switch_to_asm+0x34/0x70
[  240.626013]  ? __switch_to_asm+0x40/0x70
[  240.630081]  ? __switch_to_asm+0x34/0x70
[  240.634144]  ? __switch_to_asm+0x40/0x70
[  240.638206]  ? __switch_to_asm+0x34/0x70
[  240.642270]  ? __switch_to_asm+0x34/0x70
[  240.646332]  ? __switch_to_asm+0x40/0x70
[  240.650392]  ? __switch_to_asm+0x34/0x70
[  240.654459]  bpf_clone_redirect+0xb9/0x490
[  240.658698]  ? __schedule+0x874/0x1ed0
[  240.662591]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  240.667614]  ? __sched_text_start+0x8/0x8
[  240.671763]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.676531]  ? find_held_lock+0x36/0x1c0
[  240.680600]  ? lock_acquire+0x1ed/0x520
[  240.684572]  ? bpf_test_run+0x32e/0x5a0
[  240.688549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.694100]  ? check_preemption_disabled+0x48/0x200
[  240.699120]  ? kasan_check_read+0x11/0x20
[  240.703269]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.708549]  ? rcu_bh_qs+0xc0/0xc0
[  240.712098]  ? preempt_schedule+0x4d/0x60
[  240.716250]  ? ___preempt_schedule+0x16/0x18
[  240.720667]  ? bpf_test_run+0x1c0/0x5a0
[  240.724656]  ? netlink_diag_dump+0x2a0/0x2a0
[  240.729084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.734622]  ? bpf_test_init.isra.9+0x70/0x100
[  240.739212]  ? bpf_prog_test_run_skb+0x634/0xb40
[  240.743974]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  240.748820]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  240.754360]  ? fput+0x130/0x1a0
[  240.757640]  ? __bpf_prog_get+0x9b/0x290
[  240.761706]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  240.766548]  ? bpf_prog_test_run+0x130/0x1a0
[  240.770959]  ? __x64_sys_bpf+0x3d8/0x510
[  240.775021]  ? bpf_prog_get+0x20/0x20
[  240.778844]  ? do_syscall_64+0x1b9/0x820
[  240.782911]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  240.788293]  ? syscall_return_slowpath+0x5e0/0x5e0
[  240.793223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.798085]  ? trace_hardirqs_off+0x300/0x300
[  240.802585]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  240.807608]  ? prepare_exit_to_usermode+0x291/0x3b0
[  240.812633]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.817490]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  240.822873] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  240.822945] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  240.829714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.829722] Call Trace:
[  240.836290] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  240.845551]  dump_stack+0x1c4/0x2b4
[  240.848115] syz-executor4 cpuset=
[  240.858597]  ? dump_stack_print_info.cold.2+0x52/0x52
[  240.862199] syz4
[  240.865653]  warn_alloc.cold.118+0xb7/0x1bd
[  240.870809]  mems_allowed=0
[  240.872776]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.884826]  ? lock_downgrade+0x900/0x900
[  240.888983]  ? trace_hardirqs_off+0xb8/0x300
[  240.893401]  ? trace_hardirqs_off+0xb8/0x300
[  240.897824]  __alloc_pages_slowpath+0x2667/0x2d80
[  240.902712]  ? lockdep_on+0x50/0x50
[  240.906351]  ? warn_alloc+0x120/0x120
[  240.910162]  ? warn_alloc+0x120/0x120
[  240.913970]  ? print_usage_bug+0xc0/0xc0
[  240.918038]  ? warn_alloc+0x120/0x120
[  240.921851]  ? print_usage_bug+0xc0/0xc0
[  240.925922]  ? __lock_acquire+0x7ec/0x4ec0
[  240.930161]  ? __lock_acquire+0x7ec/0x4ec0
[  240.934405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.939945]  ? should_fail+0x22d/0xd01
[  240.943845]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.948949]  ? __lock_acquire+0x7ec/0x4ec0
[  240.953194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.958297]  ? __lock_acquire+0x7ec/0x4ec0
[  240.962530]  ? should_fail+0x22d/0xd01
[  240.966434]  ? mark_held_locks+0x130/0x130
[  240.970673]  ? mark_held_locks+0x130/0x130
[  240.974907]  ? graph_lock+0x170/0x170
[  240.978706]  ? graph_lock+0x170/0x170
[  240.982537]  ? graph_lock+0x170/0x170
[  240.986341]  ? print_usage_bug+0xc0/0xc0
[  240.990403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.995940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.001480]  ? check_preemption_disabled+0x48/0x200
[  241.006499]  ? check_preemption_disabled+0x48/0x200
[  241.011532]  ? __lock_is_held+0xb5/0x140
[  241.015604]  __alloc_pages_nodemask+0xa80/0xde0
[  241.020277]  ? graph_lock+0x170/0x170
[  241.024091]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  241.029107]  ? graph_lock+0x170/0x170
[  241.032919]  ? find_held_lock+0x36/0x1c0
[  241.036989]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.041660]  ? lock_downgrade+0x900/0x900
[  241.045816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.051368]  cache_grow_begin+0x91/0x8c0
[  241.055436]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.059859]  fallback_alloc+0x203/0x2e0
[  241.063840]  ____cache_alloc_node+0x1c7/0x1e0
[  241.068343]  kmem_cache_alloc_node+0xe3/0x730
[  241.072841]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.077096]  __alloc_skb+0x119/0x770
[  241.080813]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.086101]  ? skb_scrub_packet+0x490/0x490
[  241.090421]  ? lock_downgrade+0x900/0x900
[  241.094583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.100122]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.105585]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.111039]  ? addrconf_rs_timer+0x6f0/0x6f0
[  241.115469]  ndisc_alloc_skb+0x144/0x340
[  241.119535]  ndisc_send_rs+0x331/0x6e0
[  241.123433]  addrconf_rs_timer+0x3c0/0x6f0
[  241.127674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.131925]  call_timer_fn+0x272/0x920
[  241.135816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.140053]  ? process_timeout+0x40/0x40
[  241.144132]  ? find_held_lock+0x36/0x1c0
[  241.148205]  ? __run_timers+0x7da/0xc70
[  241.152184]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.156683]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.161177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.165414]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  241.170002]  ? trace_hardirqs_on+0xbd/0x310
[  241.174324]  ? kasan_check_read+0x11/0x20
[  241.178483]  ? __run_timers+0x7da/0xc70
[  241.182461]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.187918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.192162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.196397]  __run_timers+0x7e5/0xc70
[  241.200213]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  241.205584]  ? compat_start_thread+0x80/0x80
[  241.209997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.215539]  ? kasan_check_write+0x14/0x20
[  241.219782]  ? finish_task_switch+0x2f5/0x900
[  241.224279]  ? __switch_to_asm+0x40/0x70
[  241.228344]  ? preempt_notifier_register+0x200/0x200
[  241.233445]  ? __switch_to_asm+0x34/0x70
[  241.237506]  ? __switch_to_asm+0x40/0x70
[  241.241564]  ? __switch_to_asm+0x34/0x70
[  241.245629]  ? __switch_to_asm+0x40/0x70
[  241.249690]  ? __switch_to_asm+0x34/0x70
[  241.253748]  ? __switch_to_asm+0x40/0x70
[  241.257825]  ? pvclock_read_flags+0x160/0x160
[  241.262325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.267863]  ? check_preemption_disabled+0x48/0x200
[  241.272891]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  241.278431]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.283708]  ? rcu_pm_notify+0xc0/0xc0
[  241.287604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.293143]  ? check_preemption_disabled+0x48/0x200
[  241.298170]  run_timer_softirq+0x52/0xb0
[  241.302235]  ? rcu_read_lock_sched_held+0x108/0x120
[  241.307258]  __do_softirq+0x30b/0xad8
[  241.311087]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  241.316205]  ? schedule+0x108/0x460
[  241.319835]  ? __schedule+0x1ed0/0x1ed0
[  241.323815]  ? trace_hardirqs_off+0xb8/0x300
[  241.328228]  ? ___might_sleep+0x1ed/0x300
[  241.332378]  ? smpboot_thread_fn+0x68b/0xa00
[  241.336788]  ? trace_hardirqs_on+0x310/0x310
[  241.341202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.346742]  ? check_preemption_disabled+0x48/0x200
[  241.351759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.357305]  ? takeover_tasklets+0xa90/0xa90
[  241.361716]  run_ksoftirqd+0x94/0x100
[  241.365520]  smpboot_thread_fn+0x68b/0xa00
[  241.369761]  ? sort_range+0x30/0x30
[  241.373389]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.378498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.384040]  ? __kthread_parkme+0xfb/0x1a0
[  241.388298]  kthread+0x35a/0x420
[  241.391665]  ? sort_range+0x30/0x30
[  241.395289]  ? kthread_bind+0x40/0x40
[  241.399099]  ret_from_fork+0x3a/0x50
[  241.402832] warn_alloc_show_mem: 1 callbacks suppressed
[  241.402843] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  241.402845] Mem-Info:
[  241.402877] active_anon:44072 inactive_anon:951 isolated_anon:0
[  241.402877]  active_file:15 inactive_file:18 isolated_file:0
[  241.402877]  unevictable:0 dirty:0 writeback:0 unstable:0
[  241.402877]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  241.402877]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  241.402877]  free:13779 free_pcp:230 free_cma:0
[  241.408213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.415404] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  241.417801] Call Trace:
[  241.450762] Node 0 
[  241.460109]  <IRQ>
[  241.488136] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  241.490706]  dump_stack+0x1c4/0x2b4
[  241.492913] lowmem_reserve[]:
[  241.495074]  ? dump_stack_print_info.cold.2+0x52/0x52
[  241.520549]  0 2815
[  241.524201]  warn_alloc.cold.118+0xb7/0x1bd
[  241.527265]  6318
[  241.532446]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.534655]  6318
[  241.538971]  ? lock_downgrade+0x900/0x900
[  241.545846]  ? trace_hardirqs_off+0xb8/0x300
[  241.547880] Node 0 
[  241.552029]  ? trace_hardirqs_off+0xb8/0x300
[  241.556434] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  241.558646]  __alloc_pages_slowpath+0x2667/0x2d80
[  241.563020] lowmem_reserve[]:
[  241.589935]  ? warn_alloc+0x120/0x120
[  241.594731]  0
[  241.597835]  ? trace_hardirqs_on+0x310/0x310
[  241.601608]  0
[  241.603404]  ? warn_alloc+0x120/0x120
[  241.607786]  3503
[  241.609593]  ? print_usage_bug+0xc0/0xc0
[  241.613366]  3503
[  241.615424]  ? warn_alloc+0x120/0x120
[  241.621519]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  241.625293] Node 0 
[  241.630298]  ? print_usage_bug+0xc0/0xc0
[  241.630330] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  241.630337] lowmem_reserve[]:
[  241.632568]  ? __lock_acquire+0x7ec/0x4ec0
[  241.636609]  0
[  241.664970]  ? __lock_acquire+0x7ec/0x4ec0
[  241.668048]  0
[  241.672286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.674069]  0 0
[  241.678303]  ? should_fail+0x22d/0xd01
[  241.685624]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.687574] Node 0 
[  241.691452]  ? __lock_acquire+0x7ec/0x4ec0
[  241.696528] DMA: 
[  241.698757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.702968] 1*4kB 
[  241.705021]  ? __lock_acquire+0x7ec/0x4ec0
[  241.710098] (U) 
[  241.712245]  ? should_fail+0x22d/0xd01
[  241.716451] 0*8kB 
[  241.718418]  ? print_usage_bug+0xc0/0xc0
[  241.722281] 0*16kB 
[  241.724430]  ? mark_held_locks+0x130/0x130
[  241.728458] 1*32kB 
[  241.730687]  ? mark_held_locks+0x130/0x130
[  241.734895] (U) 
[  241.737127]  ? graph_lock+0x170/0x170
[  241.741335] 2*64kB 
[  241.743304]  ? print_usage_bug+0xc0/0xc0
[  241.747088] (U) 
[  241.749319]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  241.753351] 1*128kB 
[  241.755325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.760142] (U) 
[  241.762466]  ? check_preemption_disabled+0x48/0x200
[  241.767979] 1*256kB 
[  241.769950]  ? check_preemption_disabled+0x48/0x200
[  241.774938] (U) 
[  241.777265]  ? __lock_is_held+0xb5/0x140
[  241.782293] 0*512kB 
[  241.784267]  __alloc_pages_nodemask+0xa80/0xde0
[  241.788297] 1*1024kB 
[  241.790613]  ? graph_lock+0x170/0x170
[  241.795255] (U) 
[  241.797662]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  241.801436] 1*2048kB 
[  241.803401]  ? graph_lock+0x170/0x170
[  241.803426]  ? find_held_lock+0x36/0x1c0
[  241.808413] (M) 
[  241.810824]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.814598] 3*4096kB 
[  241.818652]  ? lock_downgrade+0x900/0x900
[  241.820602] (M) 
[  241.825267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.827649] = 15908kB
[  241.831790]  cache_grow_begin+0x91/0x8c0
[  241.833739] Node 0 
[  241.839287]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.841673] DMA32: 
[  241.845731]  fallback_alloc+0x203/0x2e0
[  241.847942] 1*4kB 
[  241.852342]  ____cache_alloc_node+0x1c7/0x1e0
[  241.854552] (M) 
[  241.858520]  kmem_cache_alloc_node+0xe3/0x730
[  241.860646] 3*8kB 
[  241.865134]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.867091] (UM) 
[  241.871585]  __alloc_skb+0x119/0x770
[  241.873712] 0*16kB 
[  241.877942]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.879972] 3*32kB (UM) 
[  241.883684]  ? skb_scrub_packet+0x490/0x490
[  241.885900] 2*64kB 
[  241.891172]  ? lock_downgrade+0x900/0x900
[  241.893816] (M) 
[  241.898137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.900342] 5*128kB 
[  241.904488]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.906439] (UM) 
[  241.911972]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.914266] 3*256kB (M) 
[  241.919718]  ? addrconf_rs_timer+0x6f0/0x6f0
[  241.921757] 4*512kB 
[  241.927206]  ndisc_alloc_skb+0x144/0x340
[  241.929846] (M) 
[  241.934248]  ndisc_send_rs+0x331/0x6e0
[  241.936542] 3*1024kB 
[  241.940599]  addrconf_rs_timer+0x3c0/0x6f0
[  241.942547] (UM) 
[  241.946428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.948810] 3*2048kB 
[  241.953054]  call_timer_fn+0x272/0x920
[  241.955089] (M) 
[  241.959316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.961703] 3*4096kB 
[  241.965581]  ? process_timeout+0x40/0x40
[  241.967535] (M) 
[  241.971763]  ? find_held_lock+0x36/0x1c0
[  241.974147] = 25212kB
[  241.978203]  ? __run_timers+0x7da/0xc70
[  241.980148] Node 0 
[  241.984201]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.986587] Normal: 
[  241.990555]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.992770] 887*4kB 
[  241.997258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.999551] (UME) 
[  242.004039]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  242.006337] 378*8kB 
[  242.010567]  ? trace_hardirqs_on+0xbd/0x310
[  242.012694] (UMEH) 
[  242.017272]  ? kasan_check_read+0x11/0x20
[  242.019576] 172*16kB 
[  242.023889]  ? __run_timers+0x7da/0xc70
[  242.026100] (UMEH) 
[  242.030241]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.032621] 106*32kB (UMEH) 
[  242.036602]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.038811] 16*64kB 
[  242.044257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.047245] (UMH) 
[  242.051508]  __run_timers+0x7e5/0xc70
[  242.053807] 0*128kB 
[  242.058044]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  242.060160] 1*256kB 
[  242.063954]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.066252] (H) 
[  242.071612]  ? graph_lock+0x170/0x170
[  242.073908] 0*512kB 
[  242.078913]  ? enqueue_hrtimer+0x1a5/0x560
[  242.080870] 0*1024kB 
[  242.084661]  ? lock_release+0x970/0x970
[  242.086959] 0*2048kB 
[  242.091186]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  242.093577] 0*4096kB 
[  242.097539]  ? find_held_lock+0x36/0x1c0
[  242.099920] = 13996kB
[  242.105107]  ? graph_lock+0x170/0x170
[  242.107500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  242.111546]  ? pvclock_read_flags+0x160/0x160
[  242.113940] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  242.117728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.126542] 4508 total pagecache pages
[  242.131029]  ? check_preemption_disabled+0x48/0x200
[  242.139589] 0 pages in swap cache
[  242.145118]  ? __lock_is_held+0xb5/0x140
[  242.148975] Swap cache stats: add 0, delete 0, find 0/0
[  242.153988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.157409] Free swap  = 0kB
[  242.157419] Total swap = 0kB
[  242.161471]  ? check_preemption_disabled+0x48/0x200
[  242.166811] 1965979 pages RAM
[  242.172351]  run_timer_softirq+0x52/0xb0
[  242.175340] 0 pages HighMem/MovableOnly
[  242.178352]  ? rcu_read_lock_sched_held+0x108/0x120
[  242.183344] 343323 pages reserved
[  242.186447]  __do_softirq+0x30b/0xad8
[  242.190479] 0 pages cma reserved
[  242.194455]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  242.199515] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.202883]  ? pvclock_read_flags+0x160/0x160
[  242.202897]  ? lapic_next_event+0x5a/0x90
[  242.202916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.206751] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.210049]  ? check_preemption_disabled+0x48/0x200
[  242.215137] ksoftirqd/1 cpuset=
[  242.221624]  ? check_preemption_disabled+0x48/0x200
[  242.226096] /
[  242.230241]  ? kvm_clock_read+0x18/0x30
[  242.235755]  mems_allowed=0
[  242.246056]  ? kvm_sched_clock_read+0x9/0x20
[  242.272306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.277842]  ? check_preemption_disabled+0x48/0x200
[  242.282870]  irq_exit+0x17f/0x1c0
[  242.288505]  smp_apic_timer_interrupt+0x1cb/0x760
[  242.293355]  ? smp_reschedule_interrupt+0x109/0x650
[  242.298375]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.304264]  ? interrupt_entry+0xb5/0xf0
[  242.308331]  ? trace_hardirqs_off_caller+0xbb/0x300
[  242.313348]  ? trace_hardirqs_off_caller+0xbb/0x300
[  242.318365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.323212]  ? trace_hardirqs_off+0x300/0x300
[  242.327721]  ? trace_hardirqs_off+0x300/0x300
[  242.332221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.337757]  ? check_preemption_disabled+0x48/0x200
[  242.342772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.348334]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.353189]  apic_timer_interrupt+0xf/0x20
[  242.357416]  </IRQ>
[  242.359660] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  242.364596] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  242.383496] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  242.391209] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  242.398474] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  242.405741] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  242.413010] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  242.420281] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  242.427596]  skb_clone+0x1bb/0x500
[  242.431138]  ? finish_task_switch+0x2f5/0x900
[  242.435636]  ? skb_split+0x11e0/0x11e0
[  242.439524]  ? preempt_notifier_register+0x200/0x200
[  242.444629]  ? __switch_to_asm+0x34/0x70
[  242.448689]  ? __switch_to_asm+0x34/0x70
[  242.452752]  ? __switch_to_asm+0x40/0x70
[  242.456811]  ? __switch_to_asm+0x34/0x70
[  242.460873]  ? __switch_to_asm+0x40/0x70
[  242.464931]  ? __switch_to_asm+0x34/0x70
[  242.468988]  ? __switch_to_asm+0x40/0x70
[  242.473546]  ? __switch_to_asm+0x34/0x70
[  242.477611]  ? __switch_to_asm+0x34/0x70
[  242.481670]  ? __switch_to_asm+0x40/0x70
[  242.485727]  ? __switch_to_asm+0x34/0x70
[  242.489796]  bpf_clone_redirect+0xb9/0x490
[  242.494033]  ? __schedule+0x874/0x1ed0
[  242.497937]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  242.502958]  ? __sched_text_start+0x8/0x8
[  242.507107]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.511877]  ? find_held_lock+0x36/0x1c0
[  242.515944]  ? lock_acquire+0x1ed/0x520
[  242.519922]  ? bpf_test_run+0x32e/0x5a0
[  242.523898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.529438]  ? check_preemption_disabled+0x48/0x200
[  242.534460]  ? kasan_check_read+0x11/0x20
[  242.538612]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.543888]  ? rcu_bh_qs+0xc0/0xc0
[  242.547434]  ? preempt_schedule+0x4d/0x60
[  242.551585]  ? ___preempt_schedule+0x16/0x18
[  242.556000]  ? bpf_test_run+0x1c0/0x5a0
[  242.559984]  ? netlink_diag_dump+0x2a0/0x2a0
[  242.564396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.569934]  ? bpf_test_init.isra.9+0x70/0x100
[  242.574524]  ? bpf_prog_test_run_skb+0x634/0xb40
[  242.579287]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  242.584132]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.589668]  ? fput+0x130/0x1a0
[  242.592951]  ? __bpf_prog_get+0x9b/0x290
[  242.597017]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  242.602116]  ? bpf_prog_test_run+0x130/0x1a0
[  242.606753]  ? __x64_sys_bpf+0x3d8/0x510
[  242.610816]  ? bpf_prog_get+0x20/0x20
[  242.614638]  ? do_syscall_64+0x1b9/0x820
[  242.618701]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  242.624082]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.629013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.633860]  ? trace_hardirqs_off+0x300/0x300
[  242.638359]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  242.643380]  ? prepare_exit_to_usermode+0x291/0x3b0
[  242.648402]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.653253]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  242.658635] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  242.658713] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.665478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.665483] Call Trace:
[  242.665502]  dump_stack+0x1c4/0x2b4
[  242.665519]  ? dump_stack_print_info.cold.2+0x52/0x52
[  242.665546]  warn_alloc.cold.118+0xb7/0x1bd
[  242.672118] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.681359]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.683919] syz-executor4 cpuset=
[  242.687541]  ? lock_downgrade+0x900/0x900
[  242.692706] syz4
[  242.697022]  ? trace_hardirqs_off+0xb8/0x300
[  242.707480]  mems_allowed=0
[  242.712318]  ? trace_hardirqs_off+0xb8/0x300
[  242.733554]  __alloc_pages_slowpath+0x2667/0x2d80
[  242.738430]  ? lockdep_on+0x50/0x50
[  242.742073]  ? warn_alloc+0x120/0x120
[  242.745882]  ? warn_alloc+0x120/0x120
[  242.749686]  ? print_usage_bug+0xc0/0xc0
[  242.753751]  ? warn_alloc+0x120/0x120
[  242.757555]  ? print_usage_bug+0xc0/0xc0
[  242.761625]  ? __lock_acquire+0x7ec/0x4ec0
[  242.765859]  ? __lock_acquire+0x7ec/0x4ec0
[  242.770103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.775642]  ? should_fail+0x22d/0xd01
[  242.779539]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.784652]  ? __lock_acquire+0x7ec/0x4ec0
[  242.788892]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.793995]  ? __lock_acquire+0x7ec/0x4ec0
[  242.798233]  ? should_fail+0x22d/0xd01
[  242.802138]  ? mark_held_locks+0x130/0x130
[  242.806376]  ? mark_held_locks+0x130/0x130
[  242.810611]  ? graph_lock+0x170/0x170
[  242.814415]  ? graph_lock+0x170/0x170
[  242.818218]  ? graph_lock+0x170/0x170
[  242.822022]  ? print_usage_bug+0xc0/0xc0
[  242.826096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.831639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.837177]  ? check_preemption_disabled+0x48/0x200
[  242.842192]  ? check_preemption_disabled+0x48/0x200
[  242.847218]  ? __lock_is_held+0xb5/0x140
[  242.851306]  __alloc_pages_nodemask+0xa80/0xde0
[  242.855980]  ? graph_lock+0x170/0x170
[  242.859784]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  242.864797]  ? graph_lock+0x170/0x170
[  242.868616]  ? find_held_lock+0x36/0x1c0
[  242.872686]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.877359]  ? lock_downgrade+0x900/0x900
[  242.881514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.887070]  cache_grow_begin+0x91/0x8c0
[  242.891146]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.895564]  fallback_alloc+0x203/0x2e0
[  242.899558]  ____cache_alloc_node+0x1c7/0x1e0
[  242.904075]  kmem_cache_alloc_node+0xe3/0x730
[  242.908581]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.912827]  __alloc_skb+0x119/0x770
[  242.916541]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.921826]  ? skb_scrub_packet+0x490/0x490
[  242.926149]  ? lock_downgrade+0x900/0x900
[  242.930310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.935852]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.941322]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.946777]  ? addrconf_rs_timer+0x6f0/0x6f0
[  242.951200]  ndisc_alloc_skb+0x144/0x340
[  242.955267]  ndisc_send_rs+0x331/0x6e0
[  242.959167]  addrconf_rs_timer+0x3c0/0x6f0
[  242.963410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.967659]  call_timer_fn+0x272/0x920
[  242.971546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.975790]  ? process_timeout+0x40/0x40
[  242.979851]  ? find_held_lock+0x36/0x1c0
[  242.983920]  ? __run_timers+0x7da/0xc70
[  242.987896]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.992394]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.996890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.001125]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  243.005714]  ? trace_hardirqs_on+0xbd/0x310
[  243.010036]  ? kasan_check_read+0x11/0x20
[  243.014202]  ? __run_timers+0x7da/0xc70
[  243.018182]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.023639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.027880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.032116]  __run_timers+0x7e5/0xc70
[  243.035937]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  243.041298]  ? compat_start_thread+0x80/0x80
[  243.045711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.051260]  ? kasan_check_write+0x14/0x20
[  243.055496]  ? finish_task_switch+0x2f5/0x900
[  243.059993]  ? __switch_to_asm+0x40/0x70
[  243.064066]  ? preempt_notifier_register+0x200/0x200
[  243.069171]  ? __switch_to_asm+0x34/0x70
[  243.073233]  ? __switch_to_asm+0x40/0x70
[  243.077291]  ? __switch_to_asm+0x34/0x70
[  243.081351]  ? __switch_to_asm+0x40/0x70
[  243.085414]  ? __switch_to_asm+0x34/0x70
[  243.089472]  ? __switch_to_asm+0x40/0x70
[  243.093548]  ? pvclock_read_flags+0x160/0x160
[  243.098079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.103622]  ? check_preemption_disabled+0x48/0x200
[  243.108649]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  243.114185]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.119463]  ? rcu_pm_notify+0xc0/0xc0
[  243.123354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.128889]  ? check_preemption_disabled+0x48/0x200
[  243.133912]  run_timer_softirq+0x52/0xb0
[  243.137977]  ? rcu_read_lock_sched_held+0x108/0x120
[  243.142999]  __do_softirq+0x30b/0xad8
[  243.146812]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  243.151923]  ? schedule+0x108/0x460
[  243.155557]  ? __schedule+0x1ed0/0x1ed0
[  243.159545]  ? trace_hardirqs_off+0xb8/0x300
[  243.163962]  ? ___might_sleep+0x1ed/0x300
[  243.168112]  ? smpboot_thread_fn+0x68b/0xa00
[  243.172523]  ? trace_hardirqs_on+0x310/0x310
[  243.176932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.182473]  ? check_preemption_disabled+0x48/0x200
[  243.187492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.193035]  ? takeover_tasklets+0xa90/0xa90
[  243.197458]  run_ksoftirqd+0x94/0x100
[  243.201260]  smpboot_thread_fn+0x68b/0xa00
[  243.205502]  ? sort_range+0x30/0x30
[  243.209136]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.214243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.219785]  ? __kthread_parkme+0xfb/0x1a0
[  243.224029]  kthread+0x35a/0x420
[  243.227400]  ? sort_range+0x30/0x30
[  243.231030]  ? kthread_bind+0x40/0x40
[  243.234851]  ret_from_fork+0x3a/0x50
[  243.238585] warn_alloc_show_mem: 1 callbacks suppressed
[  243.238597] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  243.238599] Mem-Info:
[  243.238631] active_anon:44072 inactive_anon:951 isolated_anon:0
[  243.238631]  active_file:15 inactive_file:18 isolated_file:0
[  243.238631]  unevictable:0 dirty:0 writeback:0 unstable:0
[  243.238631]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  243.238631]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  243.238631]  free:13779 free_pcp:230 free_cma:0
[  243.243959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  243.243967] Call Trace:
[  243.251164] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  243.253562]  <IRQ>
[  243.286530] Node 0 
[  243.295891]  dump_stack+0x1c4/0x2b4
[  243.298475] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  243.326220]  ? dump_stack_print_info.cold.2+0x52/0x52
[  243.328343] lowmem_reserve[]:
[  243.330582]  warn_alloc.cold.118+0xb7/0x1bd
[  243.334177]  0
[  243.359694]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.364858]  2815
[  243.367960]  ? lock_downgrade+0x900/0x900
[  243.372252]  6318
[  243.374052]  ? trace_hardirqs_off+0xb8/0x300
[  243.378869]  6318
[  243.380932]  ? trace_hardirqs_off+0xb8/0x300
[  243.387140]  __alloc_pages_slowpath+0x2667/0x2d80
[  243.391523] Node 0 
[  243.393605]  ? warn_alloc+0x120/0x120
[  243.397990] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  243.402798]  ? trace_hardirqs_on+0x310/0x310
[  243.405007] lowmem_reserve[]:
[  243.408799]  ? warn_alloc+0x120/0x120
[  243.435671]  0 0
[  243.440103]  ? print_usage_bug+0xc0/0xc0
[  243.443179]  3503
[  243.446969]  ? warn_alloc+0x120/0x120
[  243.448921]  3503
[  243.452974]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  243.458803]  ? print_usage_bug+0xc0/0xc0
[  243.460841] Node 0 
[  243.465846]  ? __lock_acquire+0x7ec/0x4ec0
[  243.469936] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  243.472140]  ? __lock_acquire+0x7ec/0x4ec0
[  243.476559] lowmem_reserve[]:
[  243.504929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.509139]  0
[  243.512241]  ? should_fail+0x22d/0xd01
[  243.517750]  0
[  243.519546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.523397]  0 0
[  243.525202]  ? __lock_acquire+0x7ec/0x4ec0
[  243.532251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.536457] Node 0 
[  243.541544]  ? __lock_acquire+0x7ec/0x4ec0
[  243.541554] DMA: 
[  243.543786]  ? should_fail+0x22d/0xd01
[  243.547996] 1*4kB 
[  243.550050]  ? print_usage_bug+0xc0/0xc0
[  243.553934] (U) 
[  243.556096]  ? mark_held_locks+0x130/0x130
[  243.560121] 0*8kB 
[  243.562101]  ? mark_held_locks+0x130/0x130
[  243.566310] 0*16kB 
[  243.568460]  ? graph_lock+0x170/0x170
[  243.572663] 1*32kB 
[  243.574895]  ? print_usage_bug+0xc0/0xc0
[  243.578668] (U) 
[  243.580899]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  243.584934] 2*64kB 
[  243.586905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.591631] (U) 
[  243.593870]  ? check_preemption_disabled+0x48/0x200
[  243.599381] 1*128kB 
[  243.601348]  ? check_preemption_disabled+0x48/0x200
[  243.606340] (U) 
[  243.608661]  ? __lock_is_held+0xb5/0x140
[  243.613643] 1*256kB 
[  243.615617]  __alloc_pages_nodemask+0xa80/0xde0
[  243.619645] (U) 
[  243.621961]  ? graph_lock+0x170/0x170
[  243.626608] 0*512kB 
[  243.628576]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  243.632357] 1*1024kB 
[  243.634671]  ? graph_lock+0x170/0x170
[  243.639659] (U) 
[  243.642085]  ? find_held_lock+0x36/0x1c0
[  243.645846] 1*2048kB 
[  243.647823]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.651862] (M) 
[  243.654264]  ? lock_downgrade+0x900/0x900
[  243.658905] 3*4096kB 
[  243.660877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.664991] (M) 
[  243.667396]  cache_grow_begin+0x91/0x8c0
[  243.672904] = 15908kB
[  243.674877]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.678912] Node 0 
[  243.681318]  fallback_alloc+0x203/0x2e0
[  243.685694] DMA32: 
[  243.687928]  ____cache_alloc_node+0x1c7/0x1e0
[  243.691874] 1*4kB 
[  243.694107]  kmem_cache_alloc_node+0xe3/0x730
[  243.698577] (M) 
[  243.700723]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.705192] 3*8kB 
[  243.707177]  __alloc_skb+0x119/0x770
[  243.711381] (UM) 
[  243.713530]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.717216] 0*16kB 
[  243.719279]  ? skb_scrub_packet+0x490/0x490
[  243.724525] 3*32kB 
[  243.726757]  ? lock_downgrade+0x900/0x900
[  243.731049] (UM) 
[  243.733295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.737410] 2*64kB 
[  243.739467]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.744972] (M) 
[  243.747206]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.752632] 5*128kB 
[  243.754606]  ? addrconf_rs_timer+0x6f0/0x6f0
[  243.760026] (UM) 
[  243.762353]  ndisc_alloc_skb+0x144/0x340
[  243.766727] 3*256kB 
[  243.768783]  ndisc_send_rs+0x331/0x6e0
[  243.772815] (M) 
[  243.775133]  addrconf_rs_timer+0x3c0/0x6f0
[  243.778991] 4*512kB 
[  243.780964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.785167] (M) 
[  243.787496]  call_timer_fn+0x272/0x920
[  243.791696] 3*1024kB (UM) 
[  243.793682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.797543] 3*2048kB 
[  243.800380]  ? process_timeout+0x40/0x40
[  243.804591] (M) 
[  243.806992]  ? find_held_lock+0x36/0x1c0
[  243.811026] 3*4096kB 
[  243.812997]  ? __run_timers+0x7da/0xc70
[  243.817025] (M) 
[  243.819431]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.823377] = 25212kB
[  243.825347]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.829817] Node 0 
[  243.832219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.836685] Normal: 
[  243.838915]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  243.843125] 887*4kB 
[  243.845438]  ? trace_hardirqs_on+0xbd/0x310
[  243.849994] (UME) 
[  243.852308]  ? kasan_check_read+0x11/0x20
[  243.856605] 378*8kB 
[  243.858747]  ? __run_timers+0x7da/0xc70
[  243.862867] (UMEH) 
[  243.865183]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.869133] 172*16kB 
[  243.871361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.876780] (UMEH) 
[  243.879188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.883397] 106*32kB 
[  243.885628]  __run_timers+0x7e5/0xc70
[  243.889836] (UMEH) 
[  243.892252]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  243.896012] 16*64kB (UMH) 
[  243.898250]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  243.903595] 0*128kB 
[  243.906430]  ? graph_lock+0x170/0x170
[  243.911424] 1*256kB 
[  243.913742]  ? enqueue_hrtimer+0x1a5/0x560
[  243.917515] (H) 
[  243.919837]  ? lock_release+0x970/0x970
[  243.924045] 0*512kB 
[  243.926117]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  243.930071] 0*1024kB 
[  243.932394]  ? find_held_lock+0x36/0x1c0
[  243.937557] 0*2048kB 
[  243.939963]  ? graph_lock+0x170/0x170
[  243.943995] 0*4096kB 
[  243.946401]  ? pvclock_read_flags+0x160/0x160
[  243.950175] = 13996kB
[  243.952581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.957070] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  243.959470]  ? check_preemption_disabled+0x48/0x200
[  243.964986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  243.973816]  ? __lock_is_held+0xb5/0x140
[  243.978799] 4508 total pagecache pages
[  243.987367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.991408] 0 pages in swap cache
[  243.995283]  ? check_preemption_disabled+0x48/0x200
[  244.000795] Swap cache stats: add 0, delete 0, find 0/0
[  244.004241]  run_timer_softirq+0x52/0xb0
[  244.009227] Free swap  = 0kB
[  244.014582]  ? rcu_read_lock_sched_held+0x108/0x120
[  244.018623] Total swap = 0kB
[  244.021641]  __do_softirq+0x30b/0xad8
[  244.026630] 1965979 pages RAM
[  244.029653]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  244.033420] 0 pages HighMem/MovableOnly
[  244.036519]  ? pvclock_read_flags+0x160/0x160
[  244.041599] 343323 pages reserved
[  244.045564]  ? lapic_next_event+0x5a/0x90
[  244.050044] 0 pages cma reserved
[  244.053503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.057694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.060979]  ? check_preemption_disabled+0x48/0x200
[  244.060991]  ? check_preemption_disabled+0x48/0x200
[  244.061013]  ? kvm_clock_read+0x18/0x30
[  244.066589] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.073084]  ? kvm_sched_clock_read+0x9/0x20
[  244.078083] ksoftirqd/1 cpuset=
[  244.083107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.087057] /
[  244.097376]  ? check_preemption_disabled+0x48/0x200
[  244.101764]  mems_allowed=0
[  244.105043]  irq_exit+0x17f/0x1c0
[  244.123610]  smp_apic_timer_interrupt+0x1cb/0x760
[  244.128453]  ? smp_reschedule_interrupt+0x109/0x650
[  244.133473]  ? smp_call_function_single_interrupt+0x650/0x650
[  244.139358]  ? interrupt_entry+0xb5/0xf0
[  244.143422]  ? trace_hardirqs_off_caller+0xbb/0x300
[  244.148439]  ? trace_hardirqs_off_caller+0xbb/0x300
[  244.153459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.158302]  ? trace_hardirqs_off+0x300/0x300
[  244.162794]  ? trace_hardirqs_off+0x300/0x300
[  244.167293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.172832]  ? check_preemption_disabled+0x48/0x200
[  244.177849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.183397]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.188252]  apic_timer_interrupt+0xf/0x20
[  244.192483]  </IRQ>
[  244.194724] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  244.199653] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  244.218555] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  244.226269] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  244.233535] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  244.240818] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  244.248093] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  244.255362] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  244.262678]  skb_clone+0x1bb/0x500
[  244.266223]  ? finish_task_switch+0x2f5/0x900
[  244.270721]  ? skb_split+0x11e0/0x11e0
[  244.274613]  ? preempt_notifier_register+0x200/0x200
[  244.279742]  ? __switch_to_asm+0x34/0x70
[  244.283805]  ? __switch_to_asm+0x34/0x70
[  244.287868]  ? __switch_to_asm+0x40/0x70
[  244.291929]  ? __switch_to_asm+0x34/0x70
[  244.295989]  ? __switch_to_asm+0x40/0x70
[  244.300052]  ? __switch_to_asm+0x34/0x70
[  244.304125]  ? __switch_to_asm+0x40/0x70
[  244.308184]  ? __switch_to_asm+0x34/0x70
[  244.312248]  ? __switch_to_asm+0x34/0x70
[  244.316312]  ? __switch_to_asm+0x40/0x70
[  244.320372]  ? __switch_to_asm+0x34/0x70
[  244.324442]  bpf_clone_redirect+0xb9/0x490
[  244.328681]  ? __schedule+0x874/0x1ed0
[  244.332574]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  244.337594]  ? __sched_text_start+0x8/0x8
[  244.341745]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.346514]  ? find_held_lock+0x36/0x1c0
[  244.350583]  ? lock_acquire+0x1ed/0x520
[  244.354557]  ? bpf_test_run+0x32e/0x5a0
[  244.358536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.364084]  ? check_preemption_disabled+0x48/0x200
[  244.369107]  ? kasan_check_read+0x11/0x20
[  244.373261]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  244.378539]  ? rcu_bh_qs+0xc0/0xc0
[  244.382100]  ? preempt_schedule+0x4d/0x60
[  244.386253]  ? ___preempt_schedule+0x16/0x18
[  244.390675]  ? bpf_test_run+0x1c0/0x5a0
[  244.394668]  ? netlink_diag_dump+0x2a0/0x2a0
[  244.399095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.404654]  ? bpf_test_init.isra.9+0x70/0x100
[  244.409243]  ? bpf_prog_test_run_skb+0x634/0xb40
[  244.414010]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  244.418853]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  244.424389]  ? fput+0x130/0x1a0
[  244.427673]  ? __bpf_prog_get+0x9b/0x290
[  244.431735]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  244.436576]  ? bpf_prog_test_run+0x130/0x1a0
[  244.440988]  ? __x64_sys_bpf+0x3d8/0x510
[  244.445052]  ? bpf_prog_get+0x20/0x20
[  244.448888]  ? do_syscall_64+0x1b9/0x820
[  244.452952]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  244.458316]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.463244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.468100]  ? trace_hardirqs_off+0x300/0x300
[  244.472597]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  244.477613]  ? prepare_exit_to_usermode+0x291/0x3b0
[  244.482637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.487488]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  244.492873] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  244.492945] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.499715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.499724] Call Trace:
[  244.506287] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.515557]  dump_stack+0x1c4/0x2b4
[  244.518120] syz-executor4 cpuset=
[  244.528601]  ? dump_stack_print_info.cold.2+0x52/0x52
[  244.532227] syz4
[  244.535682]  warn_alloc.cold.118+0xb7/0x1bd
[  244.540833]  mems_allowed=0
[  244.550028]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.554905]  ? lock_downgrade+0x900/0x900
[  244.559071]  ? trace_hardirqs_off+0xb8/0x300
[  244.563488]  ? trace_hardirqs_off+0xb8/0x300
[  244.567909]  __alloc_pages_slowpath+0x2667/0x2d80
[  244.572778]  ? lockdep_on+0x50/0x50
[  244.576410]  ? warn_alloc+0x120/0x120
[  244.580220]  ? warn_alloc+0x120/0x120
[  244.584026]  ? print_usage_bug+0xc0/0xc0
[  244.588099]  ? warn_alloc+0x120/0x120
[  244.591901]  ? print_usage_bug+0xc0/0xc0
[  244.595965]  ? __lock_acquire+0x7ec/0x4ec0
[  244.600204]  ? __lock_acquire+0x7ec/0x4ec0
[  244.604916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.610455]  ? should_fail+0x22d/0xd01
[  244.614353]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.619455]  ? __lock_acquire+0x7ec/0x4ec0
[  244.623695]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.628796]  ? __lock_acquire+0x7ec/0x4ec0
[  244.633029]  ? should_fail+0x22d/0xd01
[  244.636936]  ? mark_held_locks+0x130/0x130
[  244.641180]  ? mark_held_locks+0x130/0x130
[  244.645419]  ? graph_lock+0x170/0x170
[  244.649222]  ? graph_lock+0x170/0x170
[  244.653028]  ? graph_lock+0x170/0x170
[  244.656839]  ? print_usage_bug+0xc0/0xc0
[  244.660905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.666443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.672008]  ? check_preemption_disabled+0x48/0x200
[  244.677025]  ? check_preemption_disabled+0x48/0x200
[  244.682070]  ? __lock_is_held+0xb5/0x140
[  244.686150]  __alloc_pages_nodemask+0xa80/0xde0
[  244.690821]  ? graph_lock+0x170/0x170
[  244.694631]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  244.699652]  ? graph_lock+0x170/0x170
[  244.703467]  ? find_held_lock+0x36/0x1c0
[  244.707546]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.712220]  ? lock_downgrade+0x900/0x900
[  244.716379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.721926]  cache_grow_begin+0x91/0x8c0
[  244.725994]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.730414]  fallback_alloc+0x203/0x2e0
[  244.734398]  ____cache_alloc_node+0x1c7/0x1e0
[  244.738902]  kmem_cache_alloc_node+0xe3/0x730
[  244.743400]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.747646]  __alloc_skb+0x119/0x770
[  244.751366]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  244.756667]  ? skb_scrub_packet+0x490/0x490
[  244.760991]  ? lock_downgrade+0x900/0x900
[  244.765147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.770687]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.776142]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.781598]  ? addrconf_rs_timer+0x6f0/0x6f0
[  244.786024]  ndisc_alloc_skb+0x144/0x340
[  244.790101]  ndisc_send_rs+0x331/0x6e0
[  244.794003]  addrconf_rs_timer+0x3c0/0x6f0
[  244.798243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.802496]  call_timer_fn+0x272/0x920
[  244.806475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.810714]  ? process_timeout+0x40/0x40
[  244.814775]  ? find_held_lock+0x36/0x1c0
[  244.818847]  ? __run_timers+0x7da/0xc70
[  244.823541]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.828041]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.832545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.836786]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  244.841374]  ? trace_hardirqs_on+0xbd/0x310
[  244.845697]  ? kasan_check_read+0x11/0x20
[  244.849847]  ? __run_timers+0x7da/0xc70
[  244.853827]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.859287]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.863532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.867770]  __run_timers+0x7e5/0xc70
[  244.871593]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  244.876962]  ? compat_start_thread+0x80/0x80
[  244.882080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.887631]  ? kasan_check_write+0x14/0x20
[  244.891871]  ? finish_task_switch+0x2f5/0x900
[  244.896367]  ? __switch_to_asm+0x40/0x70
[  244.900437]  ? preempt_notifier_register+0x200/0x200
[  244.905545]  ? __switch_to_asm+0x34/0x70
[  244.909611]  ? __switch_to_asm+0x40/0x70
[  244.913669]  ? __switch_to_asm+0x34/0x70
[  244.917727]  ? __switch_to_asm+0x40/0x70
[  244.921783]  ? __switch_to_asm+0x34/0x70
[  244.925846]  ? __switch_to_asm+0x40/0x70
[  244.929915]  ? pvclock_read_flags+0x160/0x160
[  244.934410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.939949]  ? check_preemption_disabled+0x48/0x200
[  244.945074]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  244.950615]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  244.955893]  ? rcu_pm_notify+0xc0/0xc0
[  244.959790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.965326]  ? check_preemption_disabled+0x48/0x200
[  244.970354]  run_timer_softirq+0x52/0xb0
[  244.974415]  ? rcu_read_lock_sched_held+0x108/0x120
[  244.979439]  __do_softirq+0x30b/0xad8
[  244.983256]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  244.988370]  ? schedule+0x108/0x460
[  244.992006]  ? __schedule+0x1ed0/0x1ed0
[  244.995986]  ? trace_hardirqs_off+0xb8/0x300
[  245.000397]  ? ___might_sleep+0x1ed/0x300
[  245.004547]  ? smpboot_thread_fn+0x68b/0xa00
[  245.008965]  ? trace_hardirqs_on+0x310/0x310
[  245.013379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.018926]  ? check_preemption_disabled+0x48/0x200
[  245.023945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.029491]  ? takeover_tasklets+0xa90/0xa90
[  245.033906]  run_ksoftirqd+0x94/0x100
[  245.037709]  smpboot_thread_fn+0x68b/0xa00
[  245.041946]  ? sort_range+0x30/0x30
[  245.045579]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.050684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.056395]  ? __kthread_parkme+0xfb/0x1a0
[  245.060639]  kthread+0x35a/0x420
[  245.064003]  ? sort_range+0x30/0x30
[  245.067630]  ? kthread_bind+0x40/0x40
[  245.071436]  ret_from_fork+0x3a/0x50
[  245.075164] warn_alloc_show_mem: 1 callbacks suppressed
[  245.075176] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  245.075178] Mem-Info:
[  245.075210] active_anon:44072 inactive_anon:951 isolated_anon:0
[  245.075210]  active_file:15 inactive_file:18 isolated_file:0
[  245.075210]  unevictable:0 dirty:0 writeback:0 unstable:0
[  245.075210]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  245.075210]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  245.075210]  free:13779 free_pcp:230 free_cma:0
[  245.080545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  245.087735] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  245.090133] Call Trace:
[  245.123095] Node 0 
[  245.132526]  <IRQ>
[  245.160301] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  245.162860]  dump_stack+0x1c4/0x2b4
[  245.165078] lowmem_reserve[]:
[  245.167223]  ? dump_stack_print_info.cold.2+0x52/0x52
[  245.192711]  0
[  245.196349]  warn_alloc.cold.118+0xb7/0x1bd
[  245.199416]  2815
[  245.204604]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.206380]  6318
[  245.210693]  ? lock_downgrade+0x900/0x900
[  245.212728]  6318
[  245.217566]  ? trace_hardirqs_off+0xb8/0x300
[  245.223748]  ? trace_hardirqs_off+0xb8/0x300
[  245.225783] Node 0 
[  245.230205]  __alloc_pages_slowpath+0x2667/0x2d80
[  245.234612] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  245.236854]  ? warn_alloc+0x120/0x120
[  245.241638] lowmem_reserve[]: 0
[  245.268636]  ? trace_hardirqs_on+0x310/0x310
[  245.272413]  0
[  245.275690]  ? warn_alloc+0x120/0x120
[  245.280084]  3503
[  245.281881]  ? print_usage_bug+0xc0/0xc0
[  245.285652]  3503
[  245.287710]  ? warn_alloc+0x120/0x120
[  245.291747] Node 0 
[  245.293809]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  245.297620] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  245.299826]  ? print_usage_bug+0xc0/0xc0
[  245.304813] lowmem_reserve[]:
[  245.333189]  ? __lock_acquire+0x7ec/0x4ec0
[  245.337227]  0
[  245.340328]  ? __lock_acquire+0x7ec/0x4ec0
[  245.344537]  0
[  245.346336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.350544]  0
[  245.352343]  ? should_fail+0x22d/0xd01
[  245.357853]  0
[  245.359651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.365311]  ? __lock_acquire+0x7ec/0x4ec0
[  245.370386] Node 0 DMA: 
[  245.374616]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.374632]  ? __lock_acquire+0x7ec/0x4ec0
[  245.377284] 1*4kB 
[  245.382377]  ? should_fail+0x22d/0xd01
[  245.386594] (U) 
[  245.388744]  ? print_usage_bug+0xc0/0xc0
[  245.392605] 0*8kB 
[  245.394579]  ? mark_held_locks+0x130/0x130
[  245.398612] 0*16kB 
[  245.400758]  ? mark_held_locks+0x130/0x130
[  245.404966] 1*32kB 
[  245.407204]  ? graph_lock+0x170/0x170
[  245.411406] (U) 
[  245.413636]  ? print_usage_bug+0xc0/0xc0
[  245.417413] 2*64kB 
[  245.419383]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.423420] (U) 
[  245.425653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.430385] 1*128kB 
[  245.432356]  ? check_preemption_disabled+0x48/0x200
[  245.437865] (U) 
[  245.440181]  ? check_preemption_disabled+0x48/0x200
[  245.445181] 1*256kB 
[  245.447158]  ? __lock_is_held+0xb5/0x140
[  245.452139] (U) 
[  245.454458]  __alloc_pages_nodemask+0xa80/0xde0
[  245.458488] 0*512kB 
[  245.460457]  ? graph_lock+0x170/0x170
[  245.465102] 1*1024kB 
[  245.467419]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  245.471195] (U) 
[  245.474104]  ? graph_lock+0x170/0x170
[  245.479099] 1*2048kB 
[  245.481088]  ? find_held_lock+0x36/0x1c0
[  245.484848] (M) 
[  245.487258]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.491286] 3*4096kB 
[  245.493255]  ? lock_downgrade+0x900/0x900
[  245.497896] (M) 
[  245.500308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.504429] = 15908kB
[  245.506399]  cache_grow_begin+0x91/0x8c0
[  245.511905] Node 0 
[  245.514311]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.518342] DMA32: 
[  245.520577]  fallback_alloc+0x203/0x2e0
[  245.524962] 1*4kB 
[  245.527196]  ____cache_alloc_node+0x1c7/0x1e0
[  245.531140] (M) 
[  245.533285]  kmem_cache_alloc_node+0xe3/0x730
[  245.537751] 3*8kB 
[  245.539723]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.544225] (UM) 
[  245.546384]  __alloc_skb+0x119/0x770
[  245.550589] 0*16kB 
[  245.552651]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.556337] 3*32kB 
[  245.558565]  ? skb_scrub_packet+0x490/0x490
[  245.563819] (UM) 
[  245.566052]  ? lock_downgrade+0x900/0x900
[  245.570352] 2*64kB 
[  245.572418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.576536] (M) 
[  245.578771]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.584278] 5*128kB (UM) 
[  245.586255]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.591678] 3*256kB 
[  245.594429]  ? addrconf_rs_timer+0x6f0/0x6f0
[  245.600314] (M) 
[  245.602642]  ndisc_alloc_skb+0x144/0x340
[  245.607018] 4*512kB 
[  245.608991]  ndisc_send_rs+0x331/0x6e0
[  245.613025] (M) 
[  245.615348]  addrconf_rs_timer+0x3c0/0x6f0
[  245.619207] 3*1024kB 
[  245.621183]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.625393] (UM) 
[  245.627806]  call_timer_fn+0x272/0x920
[  245.631999] 3*2048kB (M) 
[  245.634081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.637934] 3*4096kB 
[  245.640684]  ? process_timeout+0x40/0x40
[  245.644891] (M) 
[  245.647296]  ? find_held_lock+0x36/0x1c0
[  245.651329] = 25212kB
[  245.653301]  ? __run_timers+0x7da/0xc70
[  245.657330] Node 0 
[  245.659737]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.663683] Normal: 
[  245.665915]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.670383] 887*4kB 
[  245.672698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.677167] (UME) 
[  245.679487]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  245.683700] 378*8kB 
[  245.685850]  ? trace_hardirqs_on+0xbd/0x310
[  245.690413] (UMEH) 
[  245.692727]  ? kasan_check_read+0x11/0x20
[  245.697024] 172*16kB 
[  245.699252]  ? __run_timers+0x7da/0xc70
[  245.703374] (UMEH) 
[  245.705776]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.709722] 106*32kB 
[  245.711961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.717376] (UMEH) 
[  245.719779]  __run_timers+0x7e5/0xc70
[  245.723986] 16*64kB 
[  245.726223]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  245.729985] (UMH) 
[  245.732306]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.737640] 0*128kB 
[  245.739786]  ? graph_lock+0x170/0x170
[  245.744776] 1*256kB 
[  245.747105]  ? enqueue_hrtimer+0x1a5/0x560
[  245.750880] (H) 
[  245.753199]  ? lock_release+0x970/0x970
[  245.757408] 0*512kB 
[  245.759378]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.763330] 0*1024kB 
[  245.765646]  ? find_held_lock+0x36/0x1c0
[  245.770806] 0*2048kB 
[  245.773214]  ? graph_lock+0x170/0x170
[  245.777262] 0*4096kB 
[  245.779666]  ? pvclock_read_flags+0x160/0x160
[  245.783440] = 13996kB
[  245.785844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.790317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  245.792720]  ? check_preemption_disabled+0x48/0x200
[  245.798238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  245.807083]  ? __lock_is_held+0xb5/0x140
[  245.812070] 4508 total pagecache pages
[  245.820638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.824682] 0 pages in swap cache
[  245.828552]  ? check_preemption_disabled+0x48/0x200
[  245.834072] Swap cache stats: add 0, delete 0, find 0/0
[  245.837522]  run_timer_softirq+0x52/0xb0
[  245.842505] Free swap  = 0kB
[  245.847861]  ? rcu_read_lock_sched_held+0x108/0x120
[  245.851893] Total swap = 0kB
[  245.854906]  __do_softirq+0x30b/0xad8
[  245.859903] 1965979 pages RAM
[  245.862920]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  245.866686] 0 pages HighMem/MovableOnly
[  245.869784]  ? pvclock_read_flags+0x160/0x160
[  245.874858] 343323 pages reserved
[  245.878840]  ? lapic_next_event+0x5a/0x90
[  245.883314] 0 pages cma reserved
[  245.886764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.890974] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  245.894249]  ? check_preemption_disabled+0x48/0x200
[  245.899824] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  245.906248]  ? check_preemption_disabled+0x48/0x200
[  245.911326] ksoftirqd/1 cpuset=
[  245.921635]  ? kvm_clock_read+0x18/0x30
[  245.926622] /
[  245.929895]  ? kvm_sched_clock_read+0x9/0x20
[  245.933843]  mems_allowed=0
[  245.935553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.948390]  ? check_preemption_disabled+0x48/0x200
[  245.953424]  irq_exit+0x17f/0x1c0
[  245.956886]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.961731]  ? smp_reschedule_interrupt+0x109/0x650
[  245.966770]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.972657]  ? interrupt_entry+0xb5/0xf0
[  245.976722]  ? trace_hardirqs_off_caller+0xbb/0x300
[  245.981739]  ? trace_hardirqs_off_caller+0xbb/0x300
[  245.986755]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.991604]  ? trace_hardirqs_off+0x300/0x300
[  245.996103]  ? trace_hardirqs_off+0x300/0x300
[  246.000602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.006146]  ? check_preemption_disabled+0x48/0x200
[  246.011164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.016708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.021564]  apic_timer_interrupt+0xf/0x20
[  246.025803]  </IRQ>
[  246.028046] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  246.032986] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  246.051885] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  246.059593] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  246.066866] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  246.074131] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  246.081397] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  246.088672] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  246.095984]  skb_clone+0x1bb/0x500
[  246.099528]  ? finish_task_switch+0x2f5/0x900
[  246.104025]  ? skb_split+0x11e0/0x11e0
[  246.107913]  ? preempt_notifier_register+0x200/0x200
[  246.113017]  ? __switch_to_asm+0x34/0x70
[  246.117091]  ? __switch_to_asm+0x34/0x70
[  246.121157]  ? __switch_to_asm+0x40/0x70
[  246.125215]  ? __switch_to_asm+0x34/0x70
[  246.129277]  ? __switch_to_asm+0x40/0x70
[  246.133337]  ? __switch_to_asm+0x34/0x70
[  246.137395]  ? __switch_to_asm+0x40/0x70
[  246.141454]  ? __switch_to_asm+0x34/0x70
[  246.145517]  ? __switch_to_asm+0x34/0x70
[  246.149581]  ? __switch_to_asm+0x40/0x70
[  246.153642]  ? __switch_to_asm+0x34/0x70
[  246.157716]  bpf_clone_redirect+0xb9/0x490
[  246.161956]  ? __schedule+0x874/0x1ed0
[  246.165849]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  246.170868]  ? __sched_text_start+0x8/0x8
[  246.175015]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  246.179786]  ? find_held_lock+0x36/0x1c0
[  246.183856]  ? lock_acquire+0x1ed/0x520
[  246.187831]  ? bpf_test_run+0x32e/0x5a0
[  246.191805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.197340]  ? check_preemption_disabled+0x48/0x200
[  246.202363]  ? kasan_check_read+0x11/0x20
[  246.206516]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.211792]  ? rcu_bh_qs+0xc0/0xc0
[  246.215334]  ? preempt_schedule+0x4d/0x60
[  246.219483]  ? ___preempt_schedule+0x16/0x18
[  246.223900]  ? bpf_test_run+0x1c0/0x5a0
[  246.227886]  ? netlink_diag_dump+0x2a0/0x2a0
[  246.232299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.237838]  ? bpf_test_init.isra.9+0x70/0x100
[  246.242426]  ? bpf_prog_test_run_skb+0x634/0xb40
[  246.247193]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  246.252038]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  246.257584]  ? fput+0x130/0x1a0
[  246.260868]  ? __bpf_prog_get+0x9b/0x290
[  246.264935]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  246.269779]  ? bpf_prog_test_run+0x130/0x1a0
[  246.274191]  ? __x64_sys_bpf+0x3d8/0x510
[  246.278254]  ? bpf_prog_get+0x20/0x20
[  246.282093]  ? do_syscall_64+0x1b9/0x820
[  246.286167]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  246.291544]  ? syscall_return_slowpath+0x5e0/0x5e0
[  246.296482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.301325]  ? trace_hardirqs_off+0x300/0x300
[  246.305821]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  246.310839]  ? prepare_exit_to_usermode+0x291/0x3b0
[  246.315864]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.320716]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  246.326115] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  246.326203] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.332957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.332962] Call Trace:
[  246.332980]  dump_stack+0x1c4/0x2b4
[  246.332998]  ? dump_stack_print_info.cold.2+0x52/0x52
[  246.333024]  warn_alloc.cold.118+0xb7/0x1bd
[  246.339544] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.348845]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.351403] syz-executor4 cpuset=
[  246.355026]  ? lock_downgrade+0x900/0x900
[  246.360189] syz4
[  246.364508]  ? trace_hardirqs_off+0xb8/0x300
[  246.374969]  mems_allowed=0
[  246.379804]  ? trace_hardirqs_off+0xb8/0x300
[  246.401035]  __alloc_pages_slowpath+0x2667/0x2d80
[  246.405912]  ? lockdep_on+0x50/0x50
[  246.409547]  ? warn_alloc+0x120/0x120
[  246.413360]  ? warn_alloc+0x120/0x120
[  246.417164]  ? print_usage_bug+0xc0/0xc0
[  246.421232]  ? warn_alloc+0x120/0x120
[  246.425034]  ? print_usage_bug+0xc0/0xc0
[  246.429109]  ? __lock_acquire+0x7ec/0x4ec0
[  246.433343]  ? __lock_acquire+0x7ec/0x4ec0
[  246.437585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.443127]  ? should_fail+0x22d/0xd01
[  246.447023]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.452132]  ? __lock_acquire+0x7ec/0x4ec0
[  246.456373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.461472]  ? __lock_acquire+0x7ec/0x4ec0
[  246.465707]  ? should_fail+0x22d/0xd01
[  246.469612]  ? mark_held_locks+0x130/0x130
[  246.473855]  ? mark_held_locks+0x130/0x130
[  246.478102]  ? graph_lock+0x170/0x170
[  246.481908]  ? graph_lock+0x170/0x170
[  246.485710]  ? graph_lock+0x170/0x170
[  246.489512]  ? print_usage_bug+0xc0/0xc0
[  246.493578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.499121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.504682]  ? check_preemption_disabled+0x48/0x200
[  246.509700]  ? check_preemption_disabled+0x48/0x200
[  246.514738]  ? __lock_is_held+0xb5/0x140
[  246.518808]  __alloc_pages_nodemask+0xa80/0xde0
[  246.523481]  ? graph_lock+0x170/0x170
[  246.527289]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  246.532351]  ? graph_lock+0x170/0x170
[  246.536168]  ? find_held_lock+0x36/0x1c0
[  246.540241]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.544914]  ? lock_downgrade+0x900/0x900
[  246.549082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.554632]  cache_grow_begin+0x91/0x8c0
[  246.558696]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.563116]  fallback_alloc+0x203/0x2e0
[  246.567122]  ____cache_alloc_node+0x1c7/0x1e0
[  246.571625]  kmem_cache_alloc_node+0xe3/0x730
[  246.576120]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.580365]  __alloc_skb+0x119/0x770
[  246.584087]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.589370]  ? skb_scrub_packet+0x490/0x490
[  246.593692]  ? lock_downgrade+0x900/0x900
[  246.597858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.603398]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.609334]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.614791]  ? addrconf_rs_timer+0x6f0/0x6f0
[  246.619215]  ndisc_alloc_skb+0x144/0x340
[  246.623308]  ndisc_send_rs+0x331/0x6e0
[  246.627204]  addrconf_rs_timer+0x3c0/0x6f0
[  246.631445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.635694]  call_timer_fn+0x272/0x920
[  246.639586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.643827]  ? process_timeout+0x40/0x40
[  246.647887]  ? find_held_lock+0x36/0x1c0
[  246.651958]  ? __run_timers+0x7da/0xc70
[  246.655940]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.660434]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.664931]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.669173]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  246.673772]  ? trace_hardirqs_on+0xbd/0x310
[  246.678098]  ? kasan_check_read+0x11/0x20
[  246.682251]  ? __run_timers+0x7da/0xc70
[  246.686326]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.691784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.696032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.700276]  __run_timers+0x7e5/0xc70
[  246.704100]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  246.709465]  ? compat_start_thread+0x80/0x80
[  246.713880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.719427]  ? kasan_check_write+0x14/0x20
[  246.723664]  ? finish_task_switch+0x2f5/0x900
[  246.728162]  ? __switch_to_asm+0x40/0x70
[  246.732234]  ? preempt_notifier_register+0x200/0x200
[  246.737341]  ? __switch_to_asm+0x34/0x70
[  246.741405]  ? __switch_to_asm+0x40/0x70
[  246.745466]  ? __switch_to_asm+0x34/0x70
[  246.749524]  ? __switch_to_asm+0x40/0x70
[  246.753590]  ? __switch_to_asm+0x34/0x70
[  246.757649]  ? __switch_to_asm+0x40/0x70
[  246.761719]  ? pvclock_read_flags+0x160/0x160
[  246.766217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.771754]  ? check_preemption_disabled+0x48/0x200
[  246.776783]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  246.782319]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.787605]  ? rcu_pm_notify+0xc0/0xc0
[  246.791494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.797030]  ? check_preemption_disabled+0x48/0x200
[  246.802060]  run_timer_softirq+0x52/0xb0
[  246.806132]  ? rcu_read_lock_sched_held+0x108/0x120
[  246.811157]  __do_softirq+0x30b/0xad8
[  246.814970]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  246.820091]  ? schedule+0x108/0x460
[  246.823724]  ? __schedule+0x1ed0/0x1ed0
[  246.827706]  ? trace_hardirqs_off+0xb8/0x300
[  246.832119]  ? ___might_sleep+0x1ed/0x300
[  246.836264]  ? smpboot_thread_fn+0x68b/0xa00
[  246.840671]  ? trace_hardirqs_on+0x310/0x310
[  246.845088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.850626]  ? check_preemption_disabled+0x48/0x200
[  246.855641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.861184]  ? takeover_tasklets+0xa90/0xa90
[  246.865599]  run_ksoftirqd+0x94/0x100
[  246.869403]  smpboot_thread_fn+0x68b/0xa00
[  246.873643]  ? sort_range+0x30/0x30
[  246.877274]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.882379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.887915]  ? __kthread_parkme+0xfb/0x1a0
[  246.892157]  kthread+0x35a/0x420
[  246.895528]  ? sort_range+0x30/0x30
[  246.899165]  ? kthread_bind+0x40/0x40
[  246.902973]  ret_from_fork+0x3a/0x50
[  246.906701] warn_alloc_show_mem: 1 callbacks suppressed
[  246.906713] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  246.906715] Mem-Info:
[  246.906747] active_anon:44072 inactive_anon:951 isolated_anon:0
[  246.906747]  active_file:15 inactive_file:18 isolated_file:0
[  246.906747]  unevictable:0 dirty:0 writeback:0 unstable:0
[  246.906747]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  246.906747]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  246.906747]  free:13779 free_pcp:230 free_cma:0
[  246.912095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.919285] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  246.921686] Call Trace:
[  246.954637] Node 0 
[  246.963992]  <IRQ>
[  246.991785] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  246.994348]  dump_stack+0x1c4/0x2b4
[  246.996558] lowmem_reserve[]:
[  246.998701]  ? dump_stack_print_info.cold.2+0x52/0x52
[  247.024178]  0
[  247.027811]  warn_alloc.cold.118+0xb7/0x1bd
[  247.030878]  2815
[  247.036059]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.037847]  6318
[  247.042164]  ? lock_downgrade+0x900/0x900
[  247.044200]  6318
[  247.049037]  ? trace_hardirqs_off+0xb8/0x300
[  247.055226]  ? trace_hardirqs_off+0xb8/0x300
[  247.057264] Node 0 
[  247.061669]  __alloc_pages_slowpath+0x2667/0x2d80
[  247.066077] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  247.068310]  ? warn_alloc+0x120/0x120
[  247.073099] lowmem_reserve[]:
[  247.099998]  ? warn_alloc+0x120/0x120
[  247.103773]  0
[  247.106871]  ? print_usage_bug+0xc0/0xc0
[  247.110646]  0
[  247.112439]  ? warn_alloc+0x120/0x120
[  247.116476]  3503
[  247.118271]  ? print_usage_bug+0xc0/0xc0
[  247.122045]  3503
[  247.124112]  ? __lock_acquire+0x7ec/0x4ec0
[  247.130200]  ? __lock_acquire+0x7ec/0x4ec0
[  247.134411] Node 0 
[  247.138635]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.138668] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  247.138675] lowmem_reserve[]:
[  247.140906]  ? should_fail+0x22d/0xd01
[  247.146415]  0
[  247.174789]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.177866]  0
[  247.181743]  ? __lock_acquire+0x7ec/0x4ec0
[  247.183522]  0
[  247.188617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.190394]  0
[  247.194619]  ? __lock_acquire+0x7ec/0x4ec0
[  247.201497]  ? should_fail+0x22d/0xd01
[  247.203280] Node 0 
[  247.207515]  ? mark_held_locks+0x130/0x130
[  247.211370] DMA: 
[  247.213601]  ? mark_held_locks+0x130/0x130
[  247.217809] 1*4kB 
[  247.219862]  ? graph_lock+0x170/0x170
[  247.224081] (U) 
[  247.226225]  ? graph_lock+0x170/0x170
[  247.229998] 0*8kB 
[  247.231963]  ? graph_lock+0x170/0x170
[  247.235737] 0*16kB 
[  247.237876]  ? print_usage_bug+0xc0/0xc0
[  247.241651] 1*32kB 
[  247.243880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.247909] (U) 
[  247.250137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.255699] 2*64kB 
[  247.257669]  ? check_preemption_disabled+0x48/0x200
[  247.263178] (U) 
[  247.265409]  ? check_preemption_disabled+0x48/0x200
[  247.270395] 1*128kB (U) 
[  247.272389]  ? __lock_is_held+0xb5/0x140
[  247.277370] 1*256kB 
[  247.280035]  __alloc_pages_nodemask+0xa80/0xde0
[  247.284073] (U) 
[  247.286397]  ? graph_lock+0x170/0x170
[  247.291039] 0*512kB 
[  247.293008]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  247.296783] 1*1024kB 
[  247.299109]  ? graph_lock+0x170/0x170
[  247.304097] (U) 
[  247.306506]  ? find_held_lock+0x36/0x1c0
[  247.310276] 1*2048kB 
[  247.312252]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.316283] (M) 
[  247.318684]  ? lock_downgrade+0x900/0x900
[  247.323325] 3*4096kB 
[  247.325316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.329431] (M) 
[  247.331836]  cache_grow_begin+0x91/0x8c0
[  247.337343] = 15908kB
[  247.337351] Node 0 
[  247.339320]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.343346] DMA32: 1*4kB 
[  247.345763]  fallback_alloc+0x203/0x2e0
[  247.347968] (M) 
[  247.352371]  ____cache_alloc_node+0x1c7/0x1e0
[  247.355105] 3*8kB 
[  247.359086]  kmem_cache_alloc_node+0xe3/0x730
[  247.361027] (UM) 
[  247.365515]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.367635] 0*16kB 
[  247.372126]  __alloc_skb+0x119/0x770
[  247.374161] 3*32kB 
[  247.378390]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  247.380596] (UM) 
[  247.384308]  ? skb_scrub_packet+0x490/0x490
[  247.386525] 2*64kB 
[  247.391790]  ? lock_downgrade+0x900/0x900
[  247.393831] (M) 
[  247.398148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.400355] 5*128kB 
[  247.404494]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.406445] (UM) 
[  247.411975]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.414276] 3*256kB 
[  247.419721]  ? addrconf_rs_timer+0x6f0/0x6f0
[  247.421758] (M) 
[  247.427209]  ndisc_alloc_skb+0x144/0x340
[  247.429497] 4*512kB 
[  247.433901]  ndisc_send_rs+0x331/0x6e0
[  247.435872] (M) 
[  247.439927]  addrconf_rs_timer+0x3c0/0x6f0
[  247.442222] 3*1024kB 
[  247.446110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.448057] (UM) 
[  247.452306]  call_timer_fn+0x272/0x920
[  247.454684] 3*2048kB 
[  247.458908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.460944] (M) 
[  247.464826]  ? process_timeout+0x40/0x40
[  247.467213] 3*4096kB 
[  247.471437]  ? find_held_lock+0x36/0x1c0
[  247.473656] (M) = 25212kB
[  247.477729]  ? __run_timers+0x7da/0xc70
[  247.480111] Node 0 
[  247.484165]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.486897] Normal: 
[  247.490860]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.493086] 887*4kB 
[  247.497573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.499871] (UME) 
[  247.504360]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  247.506657] 378*8kB 
[  247.510886]  ? trace_hardirqs_on+0xbd/0x310
[  247.513008] (UMEH) 
[  247.517584]  ? kasan_check_read+0x11/0x20
[  247.519892] 172*16kB 
[  247.524217]  ? __run_timers+0x7da/0xc70
[  247.526429] (UMEH) 
[  247.530570]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  247.532960] 106*32kB 
[  247.536929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.539143] (UMEH) 
[  247.544587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.546986] 16*64kB 
[  247.551212]  __run_timers+0x7e5/0xc70
[  247.553421] (UMH) 
[  247.557658]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  247.559950] 0*128kB 
[  247.563741]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  247.565866] 1*256kB 
[  247.571220]  ? graph_lock+0x170/0x170
[  247.573519] (H) 
[  247.578524]  ? enqueue_hrtimer+0x1a5/0x560
[  247.580822] 0*512kB 
[  247.584613]  ? lock_release+0x970/0x970
[  247.586568] 0*1024kB 
[  247.590794]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.593096] 0*2048kB 
[  247.597082]  ? find_held_lock+0x36/0x1c0
[  247.599460] 0*4096kB 
[  247.604647]  ? graph_lock+0x170/0x170
[  247.607032] = 13996kB
[  247.611092]  ? pvclock_read_flags+0x160/0x160
[  247.613484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  247.617271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.619660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  247.624143]  ? check_preemption_disabled+0x48/0x200
[  247.632955] 4508 total pagecache pages
[  247.638488]  ? __lock_is_held+0xb5/0x140
[  247.647035] 0 pages in swap cache
[  247.652039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.655906] Swap cache stats: add 0, delete 0, find 0/0
[  247.659953]  ? check_preemption_disabled+0x48/0x200
[  247.663380] Free swap  = 0kB
[  247.668912]  run_timer_softirq+0x52/0xb0
[  247.674243] Total swap = 0kB
[  247.679250]  ? rcu_read_lock_sched_held+0x108/0x120
[  247.682246] 1965979 pages RAM
[  247.686303]  __do_softirq+0x30b/0xad8
[  247.689292] 0 pages HighMem/MovableOnly
[  247.694306]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  247.697379] 343323 pages reserved
[  247.701176]  ? pvclock_read_flags+0x160/0x160
[  247.705128] 0 pages cma reserved
[  247.710224]  ? lapic_next_event+0x5a/0x90
[  247.713723] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.718148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.721583] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.725633]  ? check_preemption_disabled+0x48/0x200
[  247.732104] ksoftirqd/1 cpuset=
[  247.737631]  ? check_preemption_disabled+0x48/0x200
[  247.747918] /
[  247.752930]  ? kvm_clock_read+0x18/0x30
[  247.756189]  mems_allowed=0
[  247.761197]  ? kvm_sched_clock_read+0x9/0x20
[  247.774170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.779704]  ? check_preemption_disabled+0x48/0x200
[  247.784733]  irq_exit+0x17f/0x1c0
[  247.788193]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.793038]  ? smp_reschedule_interrupt+0x109/0x650
[  247.798083]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.803973]  ? interrupt_entry+0xb5/0xf0
[  247.808035]  ? trace_hardirqs_off_caller+0xbb/0x300
[  247.813060]  ? trace_hardirqs_off_caller+0xbb/0x300
[  247.818105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.822948]  ? trace_hardirqs_off+0x300/0x300
[  247.827445]  ? trace_hardirqs_off+0x300/0x300
[  247.831942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.837479]  ? check_preemption_disabled+0x48/0x200
[  247.842493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.848037]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.852923]  apic_timer_interrupt+0xf/0x20
[  247.857154]  </IRQ>
[  247.859397] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  247.864336] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  247.883233] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  247.890940] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  247.898208] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  247.905474] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  247.912737] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  247.920006] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  247.927319]  skb_clone+0x1bb/0x500
[  247.930862]  ? finish_task_switch+0x2f5/0x900
[  247.935363]  ? skb_split+0x11e0/0x11e0
[  247.939273]  ? preempt_notifier_register+0x200/0x200
[  247.944377]  ? __switch_to_asm+0x34/0x70
[  247.948437]  ? __switch_to_asm+0x34/0x70
[  247.952498]  ? __switch_to_asm+0x40/0x70
[  247.956558]  ? __switch_to_asm+0x34/0x70
[  247.960618]  ? __switch_to_asm+0x40/0x70
[  247.964674]  ? __switch_to_asm+0x34/0x70
[  247.968731]  ? __switch_to_asm+0x40/0x70
[  247.972790]  ? __switch_to_asm+0x34/0x70
[  247.976852]  ? __switch_to_asm+0x34/0x70
[  247.980911]  ? __switch_to_asm+0x40/0x70
[  247.984973]  ? __switch_to_asm+0x34/0x70
[  247.989043]  bpf_clone_redirect+0xb9/0x490
[  247.993293]  ? __schedule+0x874/0x1ed0
[  247.997186]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  248.002207]  ? __sched_text_start+0x8/0x8
[  248.006357]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  248.011130]  ? find_held_lock+0x36/0x1c0
[  248.015198]  ? lock_acquire+0x1ed/0x520
[  248.019174]  ? bpf_test_run+0x32e/0x5a0
[  248.023150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.028688]  ? check_preemption_disabled+0x48/0x200
[  248.033711]  ? kasan_check_read+0x11/0x20
[  248.037864]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.043145]  ? rcu_bh_qs+0xc0/0xc0
[  248.046687]  ? preempt_schedule+0x4d/0x60
[  248.050837]  ? ___preempt_schedule+0x16/0x18
[  248.055255]  ? bpf_test_run+0x1c0/0x5a0
[  248.059243]  ? netlink_diag_dump+0x2a0/0x2a0
[  248.063655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.069190]  ? bpf_test_init.isra.9+0x70/0x100
[  248.073778]  ? bpf_prog_test_run_skb+0x634/0xb40
[  248.078542]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  248.083388]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  248.088924]  ? fput+0x130/0x1a0
[  248.092204]  ? __bpf_prog_get+0x9b/0x290
[  248.096269]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  248.101114]  ? bpf_prog_test_run+0x130/0x1a0
[  248.105524]  ? __x64_sys_bpf+0x3d8/0x510
[  248.109586]  ? bpf_prog_get+0x20/0x20
[  248.113410]  ? do_syscall_64+0x1b9/0x820
[  248.117472]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  248.122836]  ? syscall_return_slowpath+0x5e0/0x5e0
[  248.127769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.132616]  ? trace_hardirqs_off+0x300/0x300
[  248.137116]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  248.142133]  ? prepare_exit_to_usermode+0x291/0x3b0
[  248.147243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.152107]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  248.157492] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  248.157564] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.164332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.164337] Call Trace:
[  248.164355]  dump_stack+0x1c4/0x2b4
[  248.164372]  ? dump_stack_print_info.cold.2+0x52/0x52
[  248.164399]  warn_alloc.cold.118+0xb7/0x1bd
[  248.170946] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.180211]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.182779] syz-executor4 cpuset=
[  248.186397]  ? lock_downgrade+0x900/0x900
[  248.191563] syz4
[  248.195884]  ? trace_hardirqs_off+0xb8/0x300
[  248.206343]  mems_allowed=0
[  248.211176]  ? trace_hardirqs_off+0xb8/0x300
[  248.232405]  __alloc_pages_slowpath+0x2667/0x2d80
[  248.237269]  ? lockdep_on+0x50/0x50
[  248.240904]  ? warn_alloc+0x120/0x120
[  248.244727]  ? warn_alloc+0x120/0x120
[  248.248533]  ? print_usage_bug+0xc0/0xc0
[  248.252602]  ? warn_alloc+0x120/0x120
[  248.256403]  ? print_usage_bug+0xc0/0xc0
[  248.260468]  ? __lock_acquire+0x7ec/0x4ec0
[  248.264702]  ? __lock_acquire+0x7ec/0x4ec0
[  248.268940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.274492]  ? should_fail+0x22d/0xd01
[  248.278391]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.283495]  ? __lock_acquire+0x7ec/0x4ec0
[  248.287738]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.292839]  ? __lock_acquire+0x7ec/0x4ec0
[  248.297080]  ? should_fail+0x22d/0xd01
[  248.300966]  ? print_usage_bug+0xc0/0xc0
[  248.305036]  ? mark_held_locks+0x130/0x130
[  248.309284]  ? mark_held_locks+0x130/0x130
[  248.313532]  ? graph_lock+0x170/0x170
[  248.317334]  ? print_usage_bug+0xc0/0xc0
[  248.321397]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  248.326155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.331694]  ? check_preemption_disabled+0x48/0x200
[  248.336709]  ? check_preemption_disabled+0x48/0x200
[  248.341736]  ? __lock_is_held+0xb5/0x140
[  248.345804]  __alloc_pages_nodemask+0xa80/0xde0
[  248.350476]  ? graph_lock+0x170/0x170
[  248.354284]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  248.359328]  ? graph_lock+0x170/0x170
[  248.363150]  ? find_held_lock+0x36/0x1c0
[  248.367221]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.371893]  ? lock_downgrade+0x900/0x900
[  248.376049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.381606]  cache_grow_begin+0x91/0x8c0
[  248.385671]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.390095]  fallback_alloc+0x203/0x2e0
[  248.394087]  ____cache_alloc_node+0x1c7/0x1e0
[  248.398595]  kmem_cache_alloc_node+0xe3/0x730
[  248.403104]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.407351]  __alloc_skb+0x119/0x770
[  248.411076]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.416360]  ? skb_scrub_packet+0x490/0x490
[  248.420680]  ? lock_downgrade+0x900/0x900
[  248.424836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.430374]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.435834]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.441289]  ? addrconf_rs_timer+0x6f0/0x6f0
[  248.445715]  ndisc_alloc_skb+0x144/0x340
[  248.449782]  ndisc_send_rs+0x331/0x6e0
[  248.453676]  addrconf_rs_timer+0x3c0/0x6f0
[  248.457919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.462178]  call_timer_fn+0x272/0x920
[  248.466076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.470330]  ? process_timeout+0x40/0x40
[  248.474393]  ? find_held_lock+0x36/0x1c0
[  248.478466]  ? __run_timers+0x7da/0xc70
[  248.482445]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.486943]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.491441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.495676]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  248.500264]  ? trace_hardirqs_on+0xbd/0x310
[  248.504588]  ? kasan_check_read+0x11/0x20
[  248.508741]  ? __run_timers+0x7da/0xc70
[  248.512716]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.518173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.522417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.526650]  __run_timers+0x7e5/0xc70
[  248.530467]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  248.535829]  ? compat_start_thread+0x80/0x80
[  248.540244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.545788]  ? kasan_check_write+0x14/0x20
[  248.550025]  ? finish_task_switch+0x2f5/0x900
[  248.554519]  ? __switch_to_asm+0x40/0x70
[  248.558593]  ? preempt_notifier_register+0x200/0x200
[  248.563699]  ? __switch_to_asm+0x34/0x70
[  248.567756]  ? __switch_to_asm+0x40/0x70
[  248.571815]  ? __switch_to_asm+0x34/0x70
[  248.575909]  ? __switch_to_asm+0x40/0x70
[  248.579967]  ? __switch_to_asm+0x34/0x70
[  248.584031]  ? __switch_to_asm+0x40/0x70
[  248.588114]  ? pvclock_read_flags+0x160/0x160
[  248.592616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.598153]  ? check_preemption_disabled+0x48/0x200
[  248.603181]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  248.609243]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.614526]  ? rcu_pm_notify+0xc0/0xc0
[  248.618418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.623956]  ? check_preemption_disabled+0x48/0x200
[  248.628983]  run_timer_softirq+0x52/0xb0
[  248.633043]  ? rcu_read_lock_sched_held+0x108/0x120
[  248.638078]  __do_softirq+0x30b/0xad8
[  248.641900]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  248.647011]  ? schedule+0x108/0x460
[  248.650642]  ? __schedule+0x1ed0/0x1ed0
[  248.654621]  ? trace_hardirqs_off+0xb8/0x300
[  248.659029]  ? ___might_sleep+0x1ed/0x300
[  248.663176]  ? smpboot_thread_fn+0x68b/0xa00
[  248.667593]  ? trace_hardirqs_on+0x310/0x310
[  248.672003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.677538]  ? check_preemption_disabled+0x48/0x200
[  248.682556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.688106]  ? takeover_tasklets+0xa90/0xa90
[  248.692518]  run_ksoftirqd+0x94/0x100
[  248.696321]  smpboot_thread_fn+0x68b/0xa00
[  248.700562]  ? sort_range+0x30/0x30
[  248.704198]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.709302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.714841]  ? __kthread_parkme+0xfb/0x1a0
[  248.719087]  kthread+0x35a/0x420
[  248.722452]  ? sort_range+0x30/0x30
[  248.726086]  ? kthread_bind+0x40/0x40
[  248.729895]  ret_from_fork+0x3a/0x50
[  248.733627] warn_alloc_show_mem: 1 callbacks suppressed
[  248.733640] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  248.733642] Mem-Info:
[  248.733673] active_anon:44072 inactive_anon:951 isolated_anon:0
[  248.733673]  active_file:15 inactive_file:18 isolated_file:0
[  248.733673]  unevictable:0 dirty:0 writeback:0 unstable:0
[  248.733673]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  248.733673]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  248.733673]  free:13779 free_pcp:230 free_cma:0
[  248.739013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.746199] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  248.748602] Call Trace:
[  248.781549] Node 0 
[  248.790894]  <IRQ>
[  248.818665] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  248.821221]  dump_stack+0x1c4/0x2b4
[  248.823426] lowmem_reserve[]:
[  248.825570]  ? dump_stack_print_info.cold.2+0x52/0x52
[  248.851053]  0
[  248.854695]  warn_alloc.cold.118+0xb7/0x1bd
[  248.857765]  2815
[  248.862948]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.864726]  6318
[  248.869042]  ? lock_downgrade+0x900/0x900
[  248.871077]  6318
[  248.875960]  ? trace_hardirqs_off+0xb8/0x300
[  248.877994] Node 0 
[  248.882139]  ? trace_hardirqs_off+0xb8/0x300
[  248.884196] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  248.888577]  __alloc_pages_slowpath+0x2667/0x2d80
[  248.890791] lowmem_reserve[]:
[  248.895215]  ? warn_alloc+0x120/0x120
[  248.922075]  0
[  248.926927]  ? trace_hardirqs_on+0x310/0x310
[  248.930001]  0
[  248.933799]  ? warn_alloc+0x120/0x120
[  248.935574]  3503
[  248.939993]  ? print_usage_bug+0xc0/0xc0
[  248.941772]  3503
[  248.945563]  ? warn_alloc+0x120/0x120
[  248.951665]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  248.951681]  ? print_usage_bug+0xc0/0xc0
[  248.953722] Node 0 
[  248.957514]  ? __lock_acquire+0x7ec/0x4ec0
[  248.962530] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  248.966557]  ? __lock_acquire+0x7ec/0x4ec0
[  248.968768] lowmem_reserve[]:
[  248.972998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.001334]  0 0
[  249.005578]  ? should_fail+0x22d/0xd01
[  249.008652]  0 0
[  249.014196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.020025]  ? __lock_acquire+0x7ec/0x4ec0
[  249.021978] Node 0 
[  249.027089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.031294] DMA: 
[  249.033527]  ? __lock_acquire+0x7ec/0x4ec0
[  249.038623] 1*4kB 
[  249.040680]  ? should_fail+0x22d/0xd01
[  249.044888] (U) 
[  249.047033]  ? print_usage_bug+0xc0/0xc0
[  249.050896] 0*8kB 
[  249.052872]  ? mark_held_locks+0x130/0x130
[  249.056900] 0*16kB 
[  249.059044]  ? mark_held_locks+0x130/0x130
[  249.063251] 1*32kB 
[  249.065491]  ? graph_lock+0x170/0x170
[  249.069696] (U) 
[  249.071926]  ? print_usage_bug+0xc0/0xc0
[  249.075697] 2*64kB (U) 
[  249.077678]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.081703] 1*128kB (U) 
[  249.084295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.089045] 1*256kB 
[  249.091723]  ? check_preemption_disabled+0x48/0x200
[  249.097236] (U) 
[  249.099550]  ? check_preemption_disabled+0x48/0x200
[  249.104543] 0*512kB 
[  249.106520]  ? __lock_is_held+0xb5/0x140
[  249.111502] 1*1024kB 
[  249.113821]  __alloc_pages_nodemask+0xa80/0xde0
[  249.117851] (U) 
[  249.120256]  ? graph_lock+0x170/0x170
[  249.124901] 1*2048kB 
[  249.126869]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  249.130641] (M) 
[  249.133040]  ? graph_lock+0x170/0x170
[  249.138034] 3*4096kB 
[  249.140006]  ? find_held_lock+0x36/0x1c0
[  249.143772] (M) 
[  249.146180]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.150212] = 15908kB
[  249.152179]  ? lock_downgrade+0x900/0x900
[  249.156823] Node 0 
[  249.159229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.163347] DMA32: 
[  249.165578]  cache_grow_begin+0x91/0x8c0
[  249.171097] 1*4kB 
[  249.173329]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.177360] (M) 
[  249.179505]  fallback_alloc+0x203/0x2e0
[  249.183886] 3*8kB 
[  249.185858]  ____cache_alloc_node+0x1c7/0x1e0
[  249.189800] (UM) 
[  249.191948]  kmem_cache_alloc_node+0xe3/0x730
[  249.196415] 0*16kB 
[  249.198474]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.202943] 3*32kB 
[  249.205182]  __alloc_skb+0x119/0x770
[  249.209387] (UM) 
[  249.211619]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.215301] 2*64kB 
[  249.217353]  ? skb_scrub_packet+0x490/0x490
[  249.222605] (M) 
[  249.224833]  ? lock_downgrade+0x900/0x900
[  249.229129] 5*128kB 
[  249.231114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.235231] (UM) 
[  249.237547]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.243057] 3*256kB (M) 
[  249.245147]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.250570] 4*512kB 
[  249.253236]  ? addrconf_rs_timer+0x6f0/0x6f0
[  249.258657] (M) 
[  249.260985]  ndisc_alloc_skb+0x144/0x340
[  249.265351] 3*1024kB (UM) 
[  249.267333]  ndisc_send_rs+0x331/0x6e0
[  249.271361] 3*2048kB (M) 
[  249.274214]  addrconf_rs_timer+0x3c0/0x6f0
[  249.278088] 3*4096kB 
[  249.280845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.285049] (M) 
[  249.287480]  call_timer_fn+0x272/0x920
[  249.291678] = 25212kB
[  249.293647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.297518] Node 0 
[  249.299922]  ? process_timeout+0x40/0x40
[  249.304133] Normal: 
[  249.306362]  ? find_held_lock+0x36/0x1c0
[  249.310400] 887*4kB 
[  249.312725]  ? __run_timers+0x7da/0xc70
[  249.316754] (UME) 
[  249.319094]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.323036] 378*8kB 
[  249.325181]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.329648] (UMEH) 
[  249.331975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.336444] 172*16kB 
[  249.338676]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  249.342884] (UMEH) 
[  249.345288]  ? trace_hardirqs_on+0xbd/0x310
[  249.349841] 106*32kB 
[  249.352082]  ? kasan_check_read+0x11/0x20
[  249.356370] (UMEH) 
[  249.358774]  ? __run_timers+0x7da/0xc70
[  249.362893] 16*64kB 
[  249.365123]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.369076] (UMH) 
[  249.371400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.376826] 0*128kB 
[  249.378978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.383184] 1*256kB 
[  249.385502]  __run_timers+0x7e5/0xc70
[  249.389709] (H) 
[  249.392035]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  249.395801] 0*512kB 
[  249.397775]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  249.403112] 0*1024kB 
[  249.405428]  ? graph_lock+0x170/0x170
[  249.410421] 0*2048kB 
[  249.412826]  ? enqueue_hrtimer+0x1a5/0x560
[  249.416604] 0*4096kB 
[  249.419006]  ? lock_release+0x970/0x970
[  249.423215] = 13996kB
[  249.425618]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  249.429573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  249.431972]  ? find_held_lock+0x36/0x1c0
[  249.437141] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  249.445967]  ? graph_lock+0x170/0x170
[  249.450003] 4508 total pagecache pages
[  249.458571]  ? pvclock_read_flags+0x160/0x160
[  249.462355] 0 pages in swap cache
[  249.466231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.470700] Swap cache stats: add 0, delete 0, find 0/0
[  249.474640]  ? check_preemption_disabled+0x48/0x200
[  249.480155] Free swap  = 0kB
[  249.485516]  ? __lock_is_held+0xb5/0x140
[  249.490502] Total swap = 0kB
[  249.493514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.497545] 1965979 pages RAM
[  249.500553]  ? check_preemption_disabled+0x48/0x200
[  249.506077] 0 pages HighMem/MovableOnly
[  249.506082] 343323 pages reserved
[  249.509186]  run_timer_softirq+0x52/0xb0
[  249.514171] 0 pages cma reserved
[  249.518140]  ? rcu_read_lock_sched_held+0x108/0x120
[  249.521647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.525619]  __do_softirq+0x30b/0xad8
[  249.529020] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.534238]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  249.540702] ksoftirqd/1 cpuset=
[  249.544496]  ? pvclock_read_flags+0x160/0x160
[  249.554779] /
[  249.559875]  ? lapic_next_event+0x5a/0x90
[  249.563131]  mems_allowed=0
[  249.567617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.581879]  ? check_preemption_disabled+0x48/0x200
[  249.586914]  ? check_preemption_disabled+0x48/0x200
[  249.591941]  ? kvm_clock_read+0x18/0x30
[  249.595919]  ? kvm_sched_clock_read+0x9/0x20
[  249.600335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.606405]  ? check_preemption_disabled+0x48/0x200
[  249.611435]  irq_exit+0x17f/0x1c0
[  249.614900]  smp_apic_timer_interrupt+0x1cb/0x760
[  249.619743]  ? smp_reschedule_interrupt+0x109/0x650
[  249.624764]  ? smp_call_function_single_interrupt+0x650/0x650
[  249.630649]  ? interrupt_entry+0xb5/0xf0
[  249.634716]  ? trace_hardirqs_off_caller+0xbb/0x300
[  249.639734]  ? trace_hardirqs_off_caller+0xbb/0x300
[  249.644751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.649591]  ? trace_hardirqs_off+0x300/0x300
[  249.654100]  ? trace_hardirqs_off+0x300/0x300
[  249.658604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.664145]  ? check_preemption_disabled+0x48/0x200
[  249.669157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.674702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.679556]  apic_timer_interrupt+0xf/0x20
[  249.683784]  </IRQ>
[  249.686025] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  249.690957] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  249.709853] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  249.717564] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  249.724830] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  249.732105] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  249.739371] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  249.746636] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  249.753947]  skb_clone+0x1bb/0x500
[  249.757492]  ? finish_task_switch+0x2f5/0x900
[  249.761989]  ? skb_split+0x11e0/0x11e0
[  249.765880]  ? preempt_notifier_register+0x200/0x200
[  249.770987]  ? __switch_to_asm+0x34/0x70
[  249.775045]  ? __switch_to_asm+0x34/0x70
[  249.779120]  ? __switch_to_asm+0x40/0x70
[  249.783182]  ? __switch_to_asm+0x34/0x70
[  249.787242]  ? __switch_to_asm+0x40/0x70
[  249.791310]  ? __switch_to_asm+0x34/0x70
[  249.795372]  ? __switch_to_asm+0x40/0x70
[  249.799435]  ? __switch_to_asm+0x34/0x70
[  249.803511]  ? __switch_to_asm+0x34/0x70
[  249.807570]  ? __switch_to_asm+0x40/0x70
[  249.811629]  ? __switch_to_asm+0x34/0x70
[  249.815699]  bpf_clone_redirect+0xb9/0x490
[  249.819940]  ? __schedule+0x874/0x1ed0
[  249.823835]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  249.828859]  ? __sched_text_start+0x8/0x8
[  249.833009]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.837778]  ? find_held_lock+0x36/0x1c0
[  249.841848]  ? lock_acquire+0x1ed/0x520
[  249.845822]  ? bpf_test_run+0x32e/0x5a0
[  249.849796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.855333]  ? check_preemption_disabled+0x48/0x200
[  249.860353]  ? kasan_check_read+0x11/0x20
[  249.864503]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.869781]  ? rcu_bh_qs+0xc0/0xc0
[  249.873325]  ? preempt_schedule+0x4d/0x60
[  249.877474]  ? ___preempt_schedule+0x16/0x18
[  249.881889]  ? bpf_test_run+0x1c0/0x5a0
[  249.885877]  ? netlink_diag_dump+0x2a0/0x2a0
[  249.890289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.895828]  ? bpf_test_init.isra.9+0x70/0x100
[  249.900414]  ? bpf_prog_test_run_skb+0x634/0xb40
[  249.905181]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  249.910021]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  249.915562]  ? fput+0x130/0x1a0
[  249.918849]  ? __bpf_prog_get+0x9b/0x290
[  249.922917]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  249.927757]  ? bpf_prog_test_run+0x130/0x1a0
[  249.932176]  ? __x64_sys_bpf+0x3d8/0x510
[  249.936237]  ? bpf_prog_get+0x20/0x20
[  249.940061]  ? do_syscall_64+0x1b9/0x820
[  249.944138]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  249.949505]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.954436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.959289]  ? trace_hardirqs_off+0x300/0x300
[  249.963785]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  249.968806]  ? prepare_exit_to_usermode+0x291/0x3b0
[  249.973828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.978680]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  249.984063] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  249.984148] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.990910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.990915] Call Trace:
[  249.990934]  dump_stack+0x1c4/0x2b4
[  249.990955]  ? dump_stack_print_info.cold.2+0x52/0x52
[  249.997485] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.006794]  warn_alloc.cold.118+0xb7/0x1bd
[  250.009350] syz-executor4 cpuset=
[  250.012970]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.018143] syz4
[  250.028623]  ? lock_downgrade+0x900/0x900
[  250.032921]  mems_allowed=0
[  250.036370]  ? trace_hardirqs_off+0xb8/0x300
[  250.054603]  ? trace_hardirqs_off+0xb8/0x300
[  250.059023]  __alloc_pages_slowpath+0x2667/0x2d80
[  250.063892]  ? lockdep_on+0x50/0x50
[  250.067529]  ? warn_alloc+0x120/0x120
[  250.071336]  ? warn_alloc+0x120/0x120
[  250.075141]  ? print_usage_bug+0xc0/0xc0
[  250.079206]  ? warn_alloc+0x120/0x120
[  250.083007]  ? print_usage_bug+0xc0/0xc0
[  250.087079]  ? __lock_acquire+0x7ec/0x4ec0
[  250.091319]  ? __lock_acquire+0x7ec/0x4ec0
[  250.095563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.101108]  ? should_fail+0x22d/0xd01
[  250.105001]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.110104]  ? __lock_acquire+0x7ec/0x4ec0
[  250.114346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.119452]  ? __lock_acquire+0x7ec/0x4ec0
[  250.123689]  ? should_fail+0x22d/0xd01
[  250.127591]  ? mark_held_locks+0x130/0x130
[  250.131830]  ? mark_held_locks+0x130/0x130
[  250.136063]  ? graph_lock+0x170/0x170
[  250.139872]  ? graph_lock+0x170/0x170
[  250.143673]  ? graph_lock+0x170/0x170
[  250.147476]  ? print_usage_bug+0xc0/0xc0
[  250.151538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.157086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.162628]  ? check_preemption_disabled+0x48/0x200
[  250.167644]  ? check_preemption_disabled+0x48/0x200
[  250.172672]  ? __lock_is_held+0xb5/0x140
[  250.176741]  __alloc_pages_nodemask+0xa80/0xde0
[  250.181410]  ? graph_lock+0x170/0x170
[  250.185214]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  250.190227]  ? graph_lock+0x170/0x170
[  250.194043]  ? find_held_lock+0x36/0x1c0
[  250.198125]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.202793]  ? lock_downgrade+0x900/0x900
[  250.206954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.212501]  cache_grow_begin+0x91/0x8c0
[  250.216562]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.220983]  fallback_alloc+0x203/0x2e0
[  250.224989]  ____cache_alloc_node+0x1c7/0x1e0
[  250.229497]  kmem_cache_alloc_node+0xe3/0x730
[  250.233993]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.238241]  __alloc_skb+0x119/0x770
[  250.241988]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  250.247296]  ? skb_scrub_packet+0x490/0x490
[  250.251623]  ? lock_downgrade+0x900/0x900
[  250.255779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.261317]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.266772]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.272230]  ? addrconf_rs_timer+0x6f0/0x6f0
[  250.276666]  ndisc_alloc_skb+0x144/0x340
[  250.280734]  ndisc_send_rs+0x331/0x6e0
[  250.284632]  addrconf_rs_timer+0x3c0/0x6f0
[  250.288877]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.293130]  call_timer_fn+0x272/0x920
[  250.297021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.301258]  ? process_timeout+0x40/0x40
[  250.305317]  ? find_held_lock+0x36/0x1c0
[  250.309395]  ? __run_timers+0x7da/0xc70
[  250.313380]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.317873]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.322368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.326606]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  250.331190]  ? trace_hardirqs_on+0xbd/0x310
[  250.335510]  ? kasan_check_read+0x11/0x20
[  250.339660]  ? __run_timers+0x7da/0xc70
[  250.343634]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.349094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.353339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.357573]  __run_timers+0x7e5/0xc70
[  250.361394]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  250.366756]  ? compat_start_thread+0x80/0x80
[  250.371171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.376717]  ? kasan_check_write+0x14/0x20
[  250.380953]  ? finish_task_switch+0x2f5/0x900
[  250.385450]  ? __switch_to_asm+0x40/0x70
[  250.389516]  ? preempt_notifier_register+0x200/0x200
[  250.394619]  ? __switch_to_asm+0x34/0x70
[  250.398678]  ? __switch_to_asm+0x40/0x70
[  250.402739]  ? __switch_to_asm+0x34/0x70
[  250.406799]  ? __switch_to_asm+0x40/0x70
[  250.410861]  ? __switch_to_asm+0x34/0x70
[  250.414918]  ? __switch_to_asm+0x40/0x70
[  250.418992]  ? pvclock_read_flags+0x160/0x160
[  250.423488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.429028]  ? check_preemption_disabled+0x48/0x200
[  250.434058]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  250.439613]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  250.444896]  ? rcu_pm_notify+0xc0/0xc0
[  250.448808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.454346]  ? check_preemption_disabled+0x48/0x200
[  250.459373]  run_timer_softirq+0x52/0xb0
[  250.463437]  ? rcu_read_lock_sched_held+0x108/0x120
[  250.468456]  __do_softirq+0x30b/0xad8
[  250.472268]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  250.477386]  ? schedule+0x108/0x460
[  250.481017]  ? __schedule+0x1ed0/0x1ed0
[  250.484997]  ? trace_hardirqs_off+0xb8/0x300
[  250.489414]  ? ___might_sleep+0x1ed/0x300
[  250.493565]  ? smpboot_thread_fn+0x68b/0xa00
[  250.497980]  ? trace_hardirqs_on+0x310/0x310
[  250.502588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.508129]  ? check_preemption_disabled+0x48/0x200
[  250.513144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.518686]  ? takeover_tasklets+0xa90/0xa90
[  250.523109]  run_ksoftirqd+0x94/0x100
[  250.526910]  smpboot_thread_fn+0x68b/0xa00
[  250.531152]  ? sort_range+0x30/0x30
[  250.534784]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.539890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.545434]  ? __kthread_parkme+0xfb/0x1a0
[  250.549674]  kthread+0x35a/0x420
[  250.553042]  ? sort_range+0x30/0x30
[  250.556678]  ? kthread_bind+0x40/0x40
[  250.560487]  ret_from_fork+0x3a/0x50
[  250.564216] warn_alloc_show_mem: 1 callbacks suppressed
[  250.564228] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  250.564230] Mem-Info:
[  250.564261] active_anon:44072 inactive_anon:951 isolated_anon:0
[  250.564261]  active_file:15 inactive_file:18 isolated_file:0
[  250.564261]  unevictable:0 dirty:0 writeback:0 unstable:0
[  250.564261]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  250.564261]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  250.564261]  free:13779 free_pcp:230 free_cma:0
[  250.569598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.576786] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  250.579186] Call Trace:
[  250.612645] Node 0 
[  250.621998]  <IRQ>
[  250.649765] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  250.652320]  dump_stack+0x1c4/0x2b4
[  250.654525] lowmem_reserve[]:
[  250.656672]  ? dump_stack_print_info.cold.2+0x52/0x52
[  250.682146]  0 2815
[  250.685786]  warn_alloc.cold.118+0xb7/0x1bd
[  250.688853]  6318
[  250.694033]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.696246]  6318
[  250.700562]  ? lock_downgrade+0x900/0x900
[  250.707442]  ? trace_hardirqs_off+0xb8/0x300
[  250.709475] Node 0 
[  250.713614]  ? trace_hardirqs_off+0xb8/0x300
[  250.718017] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  250.720230]  __alloc_pages_slowpath+0x2667/0x2d80
[  250.724607] lowmem_reserve[]:
[  250.751521]  ? warn_alloc+0x120/0x120
[  250.756313]  0
[  250.759411]  ? warn_alloc+0x120/0x120
[  250.763182]  0
[  250.764978]  ? print_usage_bug+0xc0/0xc0
[  250.768749]  3503
[  250.770542]  ? warn_alloc+0x120/0x120
[  250.774575]  3503
[  250.776634]  ? print_usage_bug+0xc0/0xc0
[  250.782463]  ? __lock_acquire+0x7ec/0x4ec0
[  250.786497] Node 0 
[  250.790717]  ? __lock_acquire+0x7ec/0x4ec0
[  250.790753] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  250.792960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.797172] lowmem_reserve[]:
[  250.825552]  ? should_fail+0x22d/0xd01
[  250.831063]  0
[  250.834173]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.838034]  0
[  250.839828]  ? __lock_acquire+0x7ec/0x4ec0
[  250.844906]  0
[  250.846703]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.850909]  0
[  250.852707]  ? __lock_acquire+0x7ec/0x4ec0
[  250.859576]  ? should_fail+0x22d/0xd01
[  250.863793] Node 0 DMA: 
[  250.867681]  ? mark_held_locks+0x130/0x130
[  250.867684] 1*4kB (U) 
[  250.870355]  ? mark_held_locks+0x130/0x130
[  250.874600] 0*8kB 
[  250.877101]  ? graph_lock+0x170/0x170
[  250.881314] 0*16kB 
[  250.883454]  ? graph_lock+0x170/0x170
[  250.887234] 1*32kB 
[  250.889459]  ? graph_lock+0x170/0x170
[  250.893232] (U) 
[  250.895465]  ? print_usage_bug+0xc0/0xc0
[  250.899239] 2*64kB 
[  250.901208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.905237] (U) 
[  250.907467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.912976] 1*128kB (U) 
[  250.914954]  ? check_preemption_disabled+0x48/0x200
[  250.920465] 1*256kB 
[  250.923129]  ? check_preemption_disabled+0x48/0x200
[  250.928118] (U) 
[  250.930441]  ? __lock_is_held+0xb5/0x140
[  250.935427] 0*512kB 
[  250.937402]  __alloc_pages_nodemask+0xa80/0xde0
[  250.941432] 1*1024kB 
[  250.943748]  ? graph_lock+0x170/0x170
[  250.948391] (U) 
[  250.950797]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  250.954570] 1*2048kB 
[  250.956535]  ? graph_lock+0x170/0x170
[  250.961525] (M) 
[  250.963933]  ? find_held_lock+0x36/0x1c0
[  250.967703] 3*4096kB 
[  250.969675]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.973704] (M) 
[  250.976126]  ? lock_downgrade+0x900/0x900
[  250.980767] = 15908kB
[  250.982744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.986862] Node 0 
[  250.989267]  cache_grow_begin+0x91/0x8c0
[  250.994773] DMA32: 
[  250.997003]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.001038] 1*4kB 
[  251.003270]  fallback_alloc+0x203/0x2e0
[  251.007645] (M) 
[  251.009791]  ____cache_alloc_node+0x1c7/0x1e0
[  251.013734] 3*8kB 
[  251.015703]  kmem_cache_alloc_node+0xe3/0x730
[  251.020166] (UM) 
[  251.022311]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.026778] 0*16kB 
[  251.028841]  __alloc_skb+0x119/0x770
[  251.033043] 3*32kB 
[  251.035275]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.038957] (UM) 
[  251.041186]  ? skb_scrub_packet+0x490/0x490
[  251.046436] 2*64kB 
[  251.048499]  ? lock_downgrade+0x900/0x900
[  251.052793] (M) 
[  251.055026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.059156] 5*128kB 
[  251.061129]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.066638] (UM) 
[  251.068954]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.074379] 3*256kB 
[  251.076435]  ? addrconf_rs_timer+0x6f0/0x6f0
[  251.081856] (M) 
[  251.084182]  ndisc_alloc_skb+0x144/0x340
[  251.088563] 4*512kB 
[  251.090537]  ndisc_send_rs+0x331/0x6e0
[  251.094583] (M) 
[  251.096899]  addrconf_rs_timer+0x3c0/0x6f0
[  251.100756] 3*1024kB 
[  251.102729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.106933] (UM) 
[  251.109345]  call_timer_fn+0x272/0x920
[  251.113541] 3*2048kB 
[  251.115593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.115610]  ? process_timeout+0x40/0x40
[  251.119476] (M) 
[  251.121884]  ? find_held_lock+0x36/0x1c0
[  251.126099] 3*4096kB 
[  251.130158]  ? __run_timers+0x7da/0xc70
[  251.132106] (M) 
[  251.136162]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.138544] = 25212kB
[  251.142506]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.144458] Node 0 
[  251.148944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.151332] Normal: 
[  251.155823]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  251.158036] 887*4kB 
[  251.162268]  ? trace_hardirqs_on+0xbd/0x310
[  251.164564] (UME) 
[  251.169138]  ? kasan_check_read+0x11/0x20
[  251.171436] 378*8kB 
[  251.175749]  ? __run_timers+0x7da/0xc70
[  251.177872] (UMEH) 
[  251.182011]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.184308] 172*16kB 
[  251.188277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.190487] (UMEH) 
[  251.195929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.198313] 106*32kB 
[  251.202536]  __run_timers+0x7e5/0xc70
[  251.204747] (UMEH) 
[  251.208982]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  251.211358] 16*64kB 
[  251.215148]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  251.217359] (UMH) 
[  251.222712]  ? graph_lock+0x170/0x170
[  251.225009] 0*128kB 
[  251.230013]  ? enqueue_hrtimer+0x1a5/0x560
[  251.232143] 1*256kB 
[  251.235937]  ? lock_release+0x970/0x970
[  251.238236] (H) 
[  251.242464]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  251.244765] 0*512kB 
[  251.248732]  ? find_held_lock+0x36/0x1c0
[  251.250681] 0*1024kB 
[  251.255875]  ? graph_lock+0x170/0x170
[  251.258174] 0*2048kB 
[  251.262225]  ? pvclock_read_flags+0x160/0x160
[  251.264615] 0*4096kB 
[  251.268410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.270791] = 13996kB
[  251.275278]  ? check_preemption_disabled+0x48/0x200
[  251.277672] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  251.283201]  ? __lock_is_held+0xb5/0x140
[  251.285589] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  251.290598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.299409] 4508 total pagecache pages
[  251.303461]  ? check_preemption_disabled+0x48/0x200
[  251.312017] 0 pages in swap cache
[  251.317549]  run_timer_softirq+0x52/0xb0
[  251.321406] Swap cache stats: add 0, delete 0, find 0/0
[  251.326414]  ? rcu_read_lock_sched_held+0x108/0x120
[  251.329843] Free swap  = 0kB
[  251.333898]  __do_softirq+0x30b/0xad8
[  251.339232] Total swap = 0kB
[  251.344246]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  251.347233] 1965979 pages RAM
[  251.351025]  ? pvclock_read_flags+0x160/0x160
[  251.354017] 0 pages HighMem/MovableOnly
[  251.359114]  ? lapic_next_event+0x5a/0x90
[  251.362196] 343323 pages reserved
[  251.366684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.370629] 0 pages cma reserved
[  251.374769]  ? check_preemption_disabled+0x48/0x200
[  251.378271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.383718]  ? check_preemption_disabled+0x48/0x200
[  251.383740]  ? kvm_clock_read+0x18/0x30
[  251.383756]  ? kvm_sched_clock_read+0x9/0x20
[  251.387160] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.392119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.398583] ksoftirqd/1 cpuset=
[  251.403597]  ? check_preemption_disabled+0x48/0x200
[  251.407543] /
[  251.411950]  irq_exit+0x17f/0x1c0
[  251.422228]  mems_allowed=0
[  251.427754]  smp_apic_timer_interrupt+0x1cb/0x760
[  251.448885]  ? smp_reschedule_interrupt+0x109/0x650
[  251.453933]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.459816]  ? interrupt_entry+0xb5/0xf0
[  251.463881]  ? trace_hardirqs_off_caller+0xbb/0x300
[  251.468898]  ? trace_hardirqs_off_caller+0xbb/0x300
[  251.474353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.479196]  ? trace_hardirqs_off+0x300/0x300
[  251.483692]  ? trace_hardirqs_off+0x300/0x300
[  251.488192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.493727]  ? check_preemption_disabled+0x48/0x200
[  251.498740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.504284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.509140]  apic_timer_interrupt+0xf/0x20
[  251.513368]  </IRQ>
[  251.515606] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  251.520537] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  251.539434] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  251.547147] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  251.554414] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  251.561678] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  251.568946] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  251.576216] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  251.583531]  skb_clone+0x1bb/0x500
[  251.587088]  ? finish_task_switch+0x2f5/0x900
[  251.591627]  ? skb_split+0x11e0/0x11e0
[  251.595519]  ? preempt_notifier_register+0x200/0x200
[  251.600621]  ? __switch_to_asm+0x34/0x70
[  251.604683]  ? __switch_to_asm+0x34/0x70
[  251.608758]  ? __switch_to_asm+0x40/0x70
[  251.612815]  ? __switch_to_asm+0x34/0x70
[  251.616875]  ? __switch_to_asm+0x40/0x70
[  251.620937]  ? __switch_to_asm+0x34/0x70
[  251.624999]  ? __switch_to_asm+0x40/0x70
[  251.629055]  ? __switch_to_asm+0x34/0x70
[  251.633134]  ? __switch_to_asm+0x34/0x70
[  251.637196]  ? __switch_to_asm+0x40/0x70
[  251.641258]  ? __switch_to_asm+0x34/0x70
[  251.645332]  bpf_clone_redirect+0xb9/0x490
[  251.649571]  ? __schedule+0x874/0x1ed0
[  251.653467]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  251.658490]  ? __sched_text_start+0x8/0x8
[  251.662639]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.667406]  ? find_held_lock+0x36/0x1c0
[  251.671477]  ? lock_acquire+0x1ed/0x520
[  251.675464]  ? bpf_test_run+0x32e/0x5a0
[  251.679444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.684978]  ? check_preemption_disabled+0x48/0x200
[  251.689996]  ? kasan_check_read+0x11/0x20
[  251.694151]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.699436]  ? rcu_bh_qs+0xc0/0xc0
[  251.702981]  ? preempt_schedule+0x4d/0x60
[  251.707134]  ? ___preempt_schedule+0x16/0x18
[  251.711551]  ? bpf_test_run+0x1c0/0x5a0
[  251.715541]  ? netlink_diag_dump+0x2a0/0x2a0
[  251.719953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.725492]  ? bpf_test_init.isra.9+0x70/0x100
[  251.730112]  ? bpf_prog_test_run_skb+0x634/0xb40
[  251.734892]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  251.739735]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  251.745270]  ? fput+0x130/0x1a0
[  251.748551]  ? __bpf_prog_get+0x9b/0x290
[  251.752644]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  251.757497]  ? bpf_prog_test_run+0x130/0x1a0
[  251.761908]  ? __x64_sys_bpf+0x3d8/0x510
[  251.765971]  ? bpf_prog_get+0x20/0x20
[  251.769795]  ? do_syscall_64+0x1b9/0x820
[  251.773857]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  251.779223]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.784151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.788997]  ? trace_hardirqs_off+0x300/0x300
[  251.793496]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  251.798516]  ? prepare_exit_to_usermode+0x291/0x3b0
[  251.803541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.808396]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  251.813779] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  251.813851] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.820619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.820624] Call Trace:
[  251.820642]  dump_stack+0x1c4/0x2b4
[  251.820663]  ? dump_stack_print_info.cold.2+0x52/0x52
[  251.827214] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.836494]  warn_alloc.cold.118+0xb7/0x1bd
[  251.839107] syz-executor4 cpuset=
[  251.842729]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.847895] syz4
[  251.858374]  ? lock_downgrade+0x900/0x900
[  251.862672]  mems_allowed=0
[  251.866118]  ? trace_hardirqs_off+0xb8/0x300
[  251.884342]  ? trace_hardirqs_off+0xb8/0x300
[  251.888760]  __alloc_pages_slowpath+0x2667/0x2d80
[  251.893632]  ? lockdep_on+0x50/0x50
[  251.897284]  ? warn_alloc+0x120/0x120
[  251.901102]  ? warn_alloc+0x120/0x120
[  251.904905]  ? print_usage_bug+0xc0/0xc0
[  251.908982]  ? warn_alloc+0x120/0x120
[  251.912783]  ? print_usage_bug+0xc0/0xc0
[  251.916849]  ? __lock_acquire+0x7ec/0x4ec0
[  251.921089]  ? __lock_acquire+0x7ec/0x4ec0
[  251.925331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.930870]  ? should_fail+0x22d/0xd01
[  251.934764]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.939870]  ? __lock_acquire+0x7ec/0x4ec0
[  251.944109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.949212]  ? __lock_acquire+0x7ec/0x4ec0
[  251.953449]  ? should_fail+0x22d/0xd01
[  251.957346]  ? mark_held_locks+0x130/0x130
[  251.961590]  ? mark_held_locks+0x130/0x130
[  251.965827]  ? graph_lock+0x170/0x170
[  251.969625]  ? graph_lock+0x170/0x170
[  251.973430]  ? graph_lock+0x170/0x170
[  251.977228]  ? print_usage_bug+0xc0/0xc0
[  251.981287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.986826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.992365]  ? check_preemption_disabled+0x48/0x200
[  251.997377]  ? check_preemption_disabled+0x48/0x200
[  252.002407]  ? __lock_is_held+0xb5/0x140
[  252.006478]  __alloc_pages_nodemask+0xa80/0xde0
[  252.011148]  ? graph_lock+0x170/0x170
[  252.014951]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  252.019966]  ? graph_lock+0x170/0x170
[  252.023777]  ? find_held_lock+0x36/0x1c0
[  252.027850]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.032518]  ? lock_downgrade+0x900/0x900
[  252.036676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.042223]  cache_grow_begin+0x91/0x8c0
[  252.046289]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.050707]  fallback_alloc+0x203/0x2e0
[  252.054689]  ____cache_alloc_node+0x1c7/0x1e0
[  252.059196]  kmem_cache_alloc_node+0xe3/0x730
[  252.063692]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.067938]  __alloc_skb+0x119/0x770
[  252.071653]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  252.076933]  ? skb_scrub_packet+0x490/0x490
[  252.081253]  ? lock_downgrade+0x900/0x900
[  252.085413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.090958]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.096412]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.101863]  ? addrconf_rs_timer+0x6f0/0x6f0
[  252.106289]  ndisc_alloc_skb+0x144/0x340
[  252.110372]  ndisc_send_rs+0x331/0x6e0
[  252.114270]  addrconf_rs_timer+0x3c0/0x6f0
[  252.118513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.122762]  call_timer_fn+0x272/0x920
[  252.126649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.130884]  ? process_timeout+0x40/0x40
[  252.134941]  ? find_held_lock+0x36/0x1c0
[  252.139010]  ? __run_timers+0x7da/0xc70
[  252.142988]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.147482]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.151980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.156216]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  252.160802]  ? trace_hardirqs_on+0xbd/0x310
[  252.165124]  ? kasan_check_read+0x11/0x20
[  252.169275]  ? __run_timers+0x7da/0xc70
[  252.173249]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.178704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.182946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.187180]  __run_timers+0x7e5/0xc70
[  252.190994]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  252.196357]  ? compat_start_thread+0x80/0x80
[  252.200769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.206316]  ? kasan_check_write+0x14/0x20
[  252.210555]  ? finish_task_switch+0x2f5/0x900
[  252.215059]  ? __switch_to_asm+0x40/0x70
[  252.219138]  ? preempt_notifier_register+0x200/0x200
[  252.224244]  ? __switch_to_asm+0x34/0x70
[  252.228304]  ? __switch_to_asm+0x40/0x70
[  252.232360]  ? __switch_to_asm+0x34/0x70
[  252.236418]  ? __switch_to_asm+0x40/0x70
[  252.240477]  ? __switch_to_asm+0x34/0x70
[  252.244537]  ? __switch_to_asm+0x40/0x70
[  252.248611]  ? pvclock_read_flags+0x160/0x160
[  252.253110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.258646]  ? check_preemption_disabled+0x48/0x200
[  252.263678]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  252.269214]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  252.274508]  ? rcu_pm_notify+0xc0/0xc0
[  252.278404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.283957]  ? check_preemption_disabled+0x48/0x200
[  252.288980]  run_timer_softirq+0x52/0xb0
[  252.293039]  ? rcu_read_lock_sched_held+0x108/0x120
[  252.298062]  __do_softirq+0x30b/0xad8
[  252.301886]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  252.307012]  ? schedule+0x108/0x460
[  252.310642]  ? __schedule+0x1ed0/0x1ed0
[  252.314621]  ? trace_hardirqs_off+0xb8/0x300
[  252.319032]  ? ___might_sleep+0x1ed/0x300
[  252.323180]  ? smpboot_thread_fn+0x68b/0xa00
[  252.327595]  ? trace_hardirqs_on+0x310/0x310
[  252.332004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.337542]  ? check_preemption_disabled+0x48/0x200
[  252.342557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.348111]  ? takeover_tasklets+0xa90/0xa90
[  252.352524]  run_ksoftirqd+0x94/0x100
[  252.356328]  smpboot_thread_fn+0x68b/0xa00
[  252.360565]  ? sort_range+0x30/0x30
[  252.364201]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.369302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.374849]  ? __kthread_parkme+0xfb/0x1a0
[  252.379100]  kthread+0x35a/0x420
[  252.382465]  ? sort_range+0x30/0x30
[  252.386098]  ? kthread_bind+0x40/0x40
[  252.389930]  ret_from_fork+0x3a/0x50
[  252.393663] warn_alloc_show_mem: 1 callbacks suppressed
[  252.393675] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  252.393677] Mem-Info:
[  252.393709] active_anon:44072 inactive_anon:951 isolated_anon:0
[  252.393709]  active_file:15 inactive_file:18 isolated_file:0
[  252.393709]  unevictable:0 dirty:0 writeback:0 unstable:0
[  252.393709]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  252.393709]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  252.393709]  free:13779 free_pcp:230 free_cma:0
[  252.399046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.406241] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  252.408642] Call Trace:
[  252.441605] Node 0 
[  252.450956]  <IRQ>
[  252.478743] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  252.481307]  dump_stack+0x1c4/0x2b4
[  252.483513] lowmem_reserve[]:
[  252.485655]  ? dump_stack_print_info.cold.2+0x52/0x52
[  252.511136]  0
[  252.514778]  warn_alloc.cold.118+0xb7/0x1bd
[  252.517846]  2815
[  252.523029]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.524806]  6318
[  252.529125]  ? lock_downgrade+0x900/0x900
[  252.531164]  6318
[  252.536003]  ? trace_hardirqs_off+0xb8/0x300
[  252.542217]  ? trace_hardirqs_off+0xb8/0x300
[  252.544285] Node 0 
[  252.548692]  __alloc_pages_slowpath+0x2667/0x2d80
[  252.553099] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  252.555338]  ? warn_alloc+0x120/0x120
[  252.560127] lowmem_reserve[]:
[  252.587013]  ? warn_alloc+0x120/0x120
[  252.590788]  0
[  252.593885]  ? print_usage_bug+0xc0/0xc0
[  252.597660]  0
[  252.599456]  ? warn_alloc+0x120/0x120
[  252.603494]  3503
[  252.605519]  ? print_usage_bug+0xc0/0xc0
[  252.605529]  ? __lock_acquire+0x7ec/0x4ec0
[  252.605536]  ? __lock_acquire+0x7ec/0x4ec0
[  252.605547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.605557]  ? should_fail+0x22d/0xd01
[  252.605567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.605575]  ? __lock_acquire+0x7ec/0x4ec0
[  252.605592]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.605604]  ? __lock_acquire+0x7ec/0x4ec0
[  252.605635]  ? should_fail+0x22d/0xd01
[  252.609416]  3503
[  252.611493]  ? mark_held_locks+0x130/0x130
[  252.619751]  ? mark_held_locks+0x130/0x130
[  252.623962] Node 0 
[  252.629491]  ? graph_lock+0x170/0x170
[  252.633379] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  252.638449]  ? graph_lock+0x170/0x170
[  252.642660] lowmem_reserve[]:
[  252.647767]  ? graph_lock+0x170/0x170
[  252.651979]  0
[  252.655855]  ? print_usage_bug+0xc0/0xc0
[  252.657895]  0
[  252.662125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.666329]  0
[  252.668559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.672330]  0
[  252.700687]  ? check_preemption_disabled+0x48/0x200
[  252.707585]  ? check_preemption_disabled+0x48/0x200
[  252.711366] Node 0 
[  252.713208]  ? __lock_is_held+0xb5/0x140
[  252.717240] DMA: 
[  252.719039]  __alloc_pages_nodemask+0xa80/0xde0
[  252.724545] 1*4kB 
[  252.726336]  ? graph_lock+0x170/0x170
[  252.731852] (U) 
[  252.733652]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  252.738641] 0*8kB 
[  252.743649]  ? graph_lock+0x170/0x170
[  252.745859] 0*16kB 
[  252.749918]  ? find_held_lock+0x36/0x1c0
[  252.751980] 1*32kB 
[  252.756656]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.758772] (U) 
[  252.762563]  ? lock_downgrade+0x900/0x900
[  252.764525] 2*64kB 
[  252.769538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.771658] (U) 
[  252.775451]  cache_grow_begin+0x91/0x8c0
[  252.777663] 1*128kB 
[  252.781718]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.783930] (U) 
[  252.788599]  fallback_alloc+0x203/0x2e0
[  252.790551] 1*256kB 
[  252.794690]  ____cache_alloc_node+0x1c7/0x1e0
[  252.796896] (U) 
[  252.802426]  kmem_cache_alloc_node+0xe3/0x730
[  252.804376] 0*512kB 
[  252.808431]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.810729] 1*1024kB 
[  252.815133]  __alloc_skb+0x119/0x770
[  252.817081] (U) 1*2048kB 
[  252.821059]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  252.823402] (M) 
[  252.827890]  ? skb_scrub_packet+0x490/0x490
[  252.829841] 3*4096kB 
[  252.834329]  ? lock_downgrade+0x900/0x900
[  252.836628] (M) 
[  252.840857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.843236] = 15908kB
[  252.846941]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.849670] Node 0 
[  252.854942]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.856893] DMA32: 
[  252.861207]  ? addrconf_rs_timer+0x6f0/0x6f0
[  252.863595] 1*4kB 
[  252.867743]  ndisc_alloc_skb+0x144/0x340
[  252.869685] (M) 
[  252.875219]  ndisc_send_rs+0x331/0x6e0
[  252.877603] 3*8kB 
[  252.883059]  addrconf_rs_timer+0x3c0/0x6f0
[  252.885276] (UM) 
[  252.890717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.892926] 0*16kB 
[  252.897338]  call_timer_fn+0x272/0x920
[  252.899456] 3*32kB 
[  252.903519]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.905472] (UM) 
[  252.909359]  ? process_timeout+0x40/0x40
[  252.911481] 2*64kB 
[  252.915707]  ? find_held_lock+0x36/0x1c0
[  252.917757] (M) 
[  252.921988]  ? __run_timers+0x7da/0xc70
[  252.924195] 5*128kB 
[  252.928089]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.930294] (UM) 
[  252.934519]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.936559] 3*256kB 
[  252.940610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.942822] (M) 
[  252.946873]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  252.948833] 4*512kB 
[  252.952796]  ? trace_hardirqs_on+0xbd/0x310
[  252.955098] (M) 
[  252.959586]  ? kasan_check_read+0x11/0x20
[  252.961632] 3*1024kB 
[  252.966118]  ? __run_timers+0x7da/0xc70
[  252.968417] (UM) 
[  252.972642]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.974595] 3*2048kB 
[  252.979168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.981462] (M) 
[  252.985777]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.987733] 3*4096kB 
[  252.991875]  __run_timers+0x7e5/0xc70
[  252.994257] (M) 
[  252.998230]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  253.000258] = 25212kB
[  253.005700]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  253.008094] Node 0 
[  253.012321]  ? graph_lock+0x170/0x170
[  253.014278] Normal: 
[  253.018505]  ? enqueue_hrtimer+0x1a5/0x560
[  253.020890] 887*4kB 
[  253.024693]  ? lock_release+0x970/0x970
[  253.026643] (UME) 
[  253.031997]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  253.034386] 378*8kB 
[  253.039393]  ? find_held_lock+0x36/0x1c0
[  253.041612] (UMEH) 
[  253.045404]  ? graph_lock+0x170/0x170
[  253.047701] 172*16kB 
[  253.051924]  ? pvclock_read_flags+0x160/0x160
[  253.054219] (UMEH) 
[  253.058187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.060312] 106*32kB 
[  253.065491]  ? check_preemption_disabled+0x48/0x200
[  253.067788] (UMEH) 
[  253.071845]  ? __lock_is_held+0xb5/0x140
[  253.074052] 16*64kB 
[  253.077858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.080244] (UMH) 
[  253.084730]  ? check_preemption_disabled+0x48/0x200
[  253.086941] 0*128kB 
[  253.092472]  run_timer_softirq+0x52/0xb0
[  253.094856] 1*256kB 
[  253.099952]  ? rcu_read_lock_sched_held+0x108/0x120
[  253.102163] (H) 
[  253.106218]  __do_softirq+0x30b/0xad8
[  253.108510] 0*512kB 0*1024kB 
[  253.114052]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  253.116170] 0*2048kB 
[  253.121180]  ? pvclock_read_flags+0x160/0x160
[  253.123479] 0*4096kB 
[  253.127532]  ? lapic_next_event+0x5a/0x90
[  253.129836] = 13996kB
[  253.134843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.136799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  253.140585]  ? check_preemption_disabled+0x48/0x200
[  253.143673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  253.148763]  ? check_preemption_disabled+0x48/0x200
[  253.151150] 4508 total pagecache pages
[  253.155640]  ? kvm_clock_read+0x18/0x30
[  253.158028] 0 pages in swap cache
[  253.162162]  ? kvm_sched_clock_read+0x9/0x20
[  253.164549] Swap cache stats: add 0, delete 0, find 0/0
[  253.170099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.178899] Free swap  = 0kB
[  253.183905]  ? check_preemption_disabled+0x48/0x200
[  253.192460] Total swap = 0kB
[  253.197474]  irq_exit+0x17f/0x1c0
[  253.201327] 1965979 pages RAM
[  253.205295]  smp_apic_timer_interrupt+0x1cb/0x760
[  253.208721] 0 pages HighMem/MovableOnly
[  253.213119]  ? smp_reschedule_interrupt+0x109/0x650
[  253.218453] 343323 pages reserved
[  253.223985]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.226979] 0 pages cma reserved
[  253.231999]  ? interrupt_entry+0xb5/0xf0
[  253.235079] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.238439]  ? trace_hardirqs_off_caller+0xbb/0x300
[  253.241612] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.246353]  ? trace_hardirqs_off_caller+0xbb/0x300
[  253.250306] ksoftirqd/1 cpuset=
[  253.255314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.258739] /
[  253.264705]  ? trace_hardirqs_off+0x300/0x300
[  253.268047]  mems_allowed=0
[  253.272107]  ? trace_hardirqs_off+0x300/0x300
[  253.320598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.326138]  ? check_preemption_disabled+0x48/0x200
[  253.331154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.336698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.341553]  apic_timer_interrupt+0xf/0x20
[  253.345784]  </IRQ>
[  253.348027] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  253.352958] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  253.371858] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  253.379567] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  253.386834] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  253.394102] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  253.401371] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  253.408636] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  253.415958]  skb_clone+0x1bb/0x500
[  253.419503]  ? finish_task_switch+0x2f5/0x900
[  253.423999]  ? skb_split+0x11e0/0x11e0
[  253.427886]  ? preempt_notifier_register+0x200/0x200
[  253.433606]  ? __switch_to_asm+0x34/0x70
[  253.437667]  ? __switch_to_asm+0x34/0x70
[  253.441725]  ? __switch_to_asm+0x40/0x70
[  253.445799]  ? __switch_to_asm+0x34/0x70
[  253.449856]  ? __switch_to_asm+0x40/0x70
[  253.453914]  ? __switch_to_asm+0x34/0x70
[  253.457973]  ? __switch_to_asm+0x40/0x70
[  253.462033]  ? __switch_to_asm+0x34/0x70
[  253.466111]  ? __switch_to_asm+0x34/0x70
[  253.470171]  ? __switch_to_asm+0x40/0x70
[  253.474704]  ? __switch_to_asm+0x34/0x70
[  253.478777]  bpf_clone_redirect+0xb9/0x490
[  253.483012]  ? __schedule+0x874/0x1ed0
[  253.486904]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  253.491923]  ? __sched_text_start+0x8/0x8
[  253.496097]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  253.500874]  ? find_held_lock+0x36/0x1c0
[  253.504945]  ? lock_acquire+0x1ed/0x520
[  253.508918]  ? bpf_test_run+0x32e/0x5a0
[  253.512893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.518433]  ? check_preemption_disabled+0x48/0x200
[  253.523454]  ? kasan_check_read+0x11/0x20
[  253.527607]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.532886]  ? rcu_bh_qs+0xc0/0xc0
[  253.536431]  ? preempt_schedule+0x4d/0x60
[  253.540581]  ? ___preempt_schedule+0x16/0x18
[  253.544997]  ? bpf_test_run+0x1c0/0x5a0
[  253.548984]  ? netlink_diag_dump+0x2a0/0x2a0
[  253.553407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.558943]  ? bpf_test_init.isra.9+0x70/0x100
[  253.563532]  ? bpf_prog_test_run_skb+0x634/0xb40
[  253.568299]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  253.573138]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  253.578671]  ? fput+0x130/0x1a0
[  253.581953]  ? __bpf_prog_get+0x9b/0x290
[  253.586016]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  253.590861]  ? bpf_prog_test_run+0x130/0x1a0
[  253.595279]  ? __x64_sys_bpf+0x3d8/0x510
[  253.599343]  ? bpf_prog_get+0x20/0x20
[  253.603164]  ? do_syscall_64+0x1b9/0x820
[  253.607228]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  253.612595]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.617526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.622375]  ? trace_hardirqs_off+0x300/0x300
[  253.626874]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  253.631891]  ? prepare_exit_to_usermode+0x291/0x3b0
[  253.636913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.641767]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  253.647153] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  253.647235] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.653998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.654004] Call Trace:
[  253.654022]  dump_stack+0x1c4/0x2b4
[  253.654039]  ? dump_stack_print_info.cold.2+0x52/0x52
[  253.654066]  warn_alloc.cold.118+0xb7/0x1bd
[  253.660628] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.669891]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.672453] syz-executor4 cpuset=
[  253.676084]  ? lock_downgrade+0x900/0x900
[  253.681253] syz4
[  253.685590]  ? trace_hardirqs_off+0xb8/0x300
[  253.696041]  mems_allowed=0
[  253.700879]  ? trace_hardirqs_off+0xb8/0x300
[  253.722120]  __alloc_pages_slowpath+0x2667/0x2d80
[  253.726992]  ? lockdep_on+0x50/0x50
[  253.730629]  ? warn_alloc+0x120/0x120
[  253.734444]  ? warn_alloc+0x120/0x120
[  253.738255]  ? print_usage_bug+0xc0/0xc0
[  253.742317]  ? warn_alloc+0x120/0x120
[  253.746127]  ? print_usage_bug+0xc0/0xc0
[  253.750191]  ? __lock_acquire+0x7ec/0x4ec0
[  253.754423]  ? __lock_acquire+0x7ec/0x4ec0
[  253.758666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.764205]  ? should_fail+0x22d/0xd01
[  253.768110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.773215]  ? __lock_acquire+0x7ec/0x4ec0
[  253.777457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.782562]  ? __lock_acquire+0x7ec/0x4ec0
[  253.786802]  ? should_fail+0x22d/0xd01
[  253.790687]  ? print_usage_bug+0xc0/0xc0
[  253.794760]  ? mark_held_locks+0x130/0x130
[  253.798999]  ? mark_held_locks+0x130/0x130
[  253.803245]  ? graph_lock+0x170/0x170
[  253.807045]  ? print_usage_bug+0xc0/0xc0
[  253.811114]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  253.815871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.821412]  ? check_preemption_disabled+0x48/0x200
[  253.826430]  ? check_preemption_disabled+0x48/0x200
[  253.831455]  ? __lock_is_held+0xb5/0x140
[  253.835536]  __alloc_pages_nodemask+0xa80/0xde0
[  253.840205]  ? graph_lock+0x170/0x170
[  253.844017]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  253.849029]  ? graph_lock+0x170/0x170
[  253.852845]  ? find_held_lock+0x36/0x1c0
[  253.856917]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.861598]  ? lock_downgrade+0x900/0x900
[  253.865755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.871304]  cache_grow_begin+0x91/0x8c0
[  253.875370]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.879788]  fallback_alloc+0x203/0x2e0
[  253.883769]  ____cache_alloc_node+0x1c7/0x1e0
[  253.888275]  kmem_cache_alloc_node+0xe3/0x730
[  253.892773]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.897019]  __alloc_skb+0x119/0x770
[  253.900737]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.906017]  ? skb_scrub_packet+0x490/0x490
[  253.910337]  ? lock_downgrade+0x900/0x900
[  253.914493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.920033]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.925489]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.930943]  ? addrconf_rs_timer+0x6f0/0x6f0
[  253.935370]  ndisc_alloc_skb+0x144/0x340
[  253.939438]  ndisc_send_rs+0x331/0x6e0
[  253.943335]  addrconf_rs_timer+0x3c0/0x6f0
[  253.947575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.951833]  call_timer_fn+0x272/0x920
[  253.955720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.959955]  ? process_timeout+0x40/0x40
[  253.964018]  ? find_held_lock+0x36/0x1c0
[  253.968105]  ? __run_timers+0x7da/0xc70
[  253.972099]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.976604]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.981108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.985348]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  253.989933]  ? trace_hardirqs_on+0xbd/0x310
[  253.994255]  ? kasan_check_read+0x11/0x20
[  253.998402]  ? __run_timers+0x7da/0xc70
[  254.002382]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.007851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.012101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.016340]  __run_timers+0x7e5/0xc70
[  254.020154]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  254.025518]  ? compat_start_thread+0x80/0x80
[  254.029929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.035477]  ? kasan_check_write+0x14/0x20
[  254.039719]  ? finish_task_switch+0x2f5/0x900
[  254.044212]  ? __switch_to_asm+0x40/0x70
[  254.048277]  ? preempt_notifier_register+0x200/0x200
[  254.053378]  ? __switch_to_asm+0x34/0x70
[  254.057439]  ? __switch_to_asm+0x40/0x70
[  254.061500]  ? __switch_to_asm+0x34/0x70
[  254.065561]  ? __switch_to_asm+0x40/0x70
[  254.069653]  ? __switch_to_asm+0x34/0x70
[  254.073719]  ? __switch_to_asm+0x40/0x70
[  254.077793]  ? pvclock_read_flags+0x160/0x160
[  254.082292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.087831]  ? check_preemption_disabled+0x48/0x200
[  254.092858]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  254.098397]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.103676]  ? rcu_pm_notify+0xc0/0xc0
[  254.107566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.113109]  ? check_preemption_disabled+0x48/0x200
[  254.118147]  run_timer_softirq+0x52/0xb0
[  254.122207]  ? rcu_read_lock_sched_held+0x108/0x120
[  254.127232]  __do_softirq+0x30b/0xad8
[  254.131048]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  254.136171]  ? schedule+0x108/0x460
[  254.139803]  ? __schedule+0x1ed0/0x1ed0
[  254.143785]  ? trace_hardirqs_off+0xb8/0x300
[  254.148194]  ? ___might_sleep+0x1ed/0x300
[  254.152344]  ? smpboot_thread_fn+0x68b/0xa00
[  254.156754]  ? trace_hardirqs_on+0x310/0x310
[  254.161166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.166706]  ? check_preemption_disabled+0x48/0x200
[  254.171723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.177266]  ? takeover_tasklets+0xa90/0xa90
[  254.181680]  run_ksoftirqd+0x94/0x100
[  254.185480]  smpboot_thread_fn+0x68b/0xa00
[  254.189723]  ? sort_range+0x30/0x30
[  254.193356]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.198463]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.204000]  ? __kthread_parkme+0xfb/0x1a0
[  254.208258]  kthread+0x35a/0x420
[  254.211623]  ? sort_range+0x30/0x30
[  254.215247]  ? kthread_bind+0x40/0x40
[  254.219049]  ret_from_fork+0x3a/0x50
[  254.222790] warn_alloc_show_mem: 1 callbacks suppressed
[  254.222802] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  254.222804] Mem-Info:
[  254.222837] active_anon:44072 inactive_anon:951 isolated_anon:0
[  254.222837]  active_file:15 inactive_file:18 isolated_file:0
[  254.222837]  unevictable:0 dirty:0 writeback:0 unstable:0
[  254.222837]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  254.222837]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  254.222837]  free:13779 free_pcp:230 free_cma:0
[  254.228339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.228348] Call Trace:
[  254.235546] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  254.237941]  <IRQ>
[  254.270905] Node 0 
[  254.280272]  dump_stack+0x1c4/0x2b4
[  254.282851] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  254.310575]  ? dump_stack_print_info.cold.2+0x52/0x52
[  254.312715] lowmem_reserve[]:
[  254.314957]  warn_alloc.cold.118+0xb7/0x1bd
[  254.318552]  0
[  254.344044]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.349205]  2815
[  254.352312]  ? lock_downgrade+0x900/0x900
[  254.356604]  6318
[  254.358405]  ? trace_hardirqs_off+0xb8/0x300
[  254.363216]  6318
[  254.365274]  ? trace_hardirqs_off+0xb8/0x300
[  254.371454]  __alloc_pages_slowpath+0x2667/0x2d80
[  254.375842] Node 0 
[  254.377922]  ? warn_alloc+0x120/0x120
[  254.382307] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  254.387120]  ? trace_hardirqs_on+0x310/0x310
[  254.389334] lowmem_reserve[]:
[  254.393130]  ? warn_alloc+0x120/0x120
[  254.419989]  0 0
[  254.424397]  ? print_usage_bug+0xc0/0xc0
[  254.427474]  3503
[  254.431266]  ? warn_alloc+0x120/0x120
[  254.433217]  3503
[  254.437274]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  254.443112]  ? print_usage_bug+0xc0/0xc0
[  254.445150] Node 0 
[  254.450158]  ? __lock_acquire+0x7ec/0x4ec0
[  254.454222] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  254.456425]  ? __lock_acquire+0x7ec/0x4ec0
[  254.460637] lowmem_reserve[]:
[  254.489455]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.493666]  0
[  254.496768]  ? should_fail+0x22d/0xd01
[  254.502275]  0
[  254.504078]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.507939]  0
[  254.509743]  ? __lock_acquire+0x7ec/0x4ec0
[  254.514819]  0
[  254.516617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.522620]  ? __lock_acquire+0x7ec/0x4ec0
[  254.527696] Node 0 
[  254.531915]  ? should_fail+0x22d/0xd01
[  254.531925] DMA: 
[  254.534160]  ? print_usage_bug+0xc0/0xc0
[  254.538022] 1*4kB 
[  254.540097]  ? mark_held_locks+0x130/0x130
[  254.544123] (U) 
[  254.546266]  ? mark_held_locks+0x130/0x130
[  254.550476] 0*8kB 
[  254.552447]  ? graph_lock+0x170/0x170
[  254.556650] 0*16kB 
[  254.558789]  ? print_usage_bug+0xc0/0xc0
[  254.562567] 1*32kB 
[  254.564797]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.568827] (U) 
[  254.571058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.575794] 2*64kB 
[  254.577760]  ? check_preemption_disabled+0x48/0x200
[  254.583270] (U) 
[  254.585498]  ? check_preemption_disabled+0x48/0x200
[  254.590483] 1*128kB (U) 
[  254.592467]  ? __lock_is_held+0xb5/0x140
[  254.597452] 1*256kB 
[  254.600124]  __alloc_pages_nodemask+0xa80/0xde0
[  254.604630] (U) 
[  254.606947]  ? graph_lock+0x170/0x170
[  254.611597] 0*512kB 
[  254.613566]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  254.617342] 1*1024kB 
[  254.619659]  ? graph_lock+0x170/0x170
[  254.624646] (U) 
[  254.627055]  ? find_held_lock+0x36/0x1c0
[  254.630823] 1*2048kB 
[  254.632796]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.636827] (M) 
[  254.639229]  ? lock_downgrade+0x900/0x900
[  254.643871] 3*4096kB 
[  254.645848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.649962] (M) 
[  254.652370]  cache_grow_begin+0x91/0x8c0
[  254.657876] = 15908kB
[  254.657884] Node 0 
[  254.659853]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.663889] DMA32: 
[  254.666295]  fallback_alloc+0x203/0x2e0
[  254.668505] 1*4kB 
[  254.672906]  ____cache_alloc_node+0x1c7/0x1e0
[  254.675114] (M) 
[  254.679100]  kmem_cache_alloc_node+0xe3/0x730
[  254.681221] 3*8kB 
[  254.685707]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.687659] (UM) 
[  254.692153]  __alloc_skb+0x119/0x770
[  254.694275] 0*16kB 
[  254.698502]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.700536] 3*32kB 
[  254.704251]  ? skb_scrub_packet+0x490/0x490
[  254.706463] (UM) 
[  254.711730]  ? lock_downgrade+0x900/0x900
[  254.713942] 2*64kB 
[  254.718261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.720295] (M) 
[  254.724435]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.726642] 5*128kB 
[  254.732174]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.734123] (UM) 
[  254.739564]  ? addrconf_rs_timer+0x6f0/0x6f0
[  254.741866] 3*256kB 
[  254.747315]  ndisc_alloc_skb+0x144/0x340
[  254.749343] (M) 
[  254.753743]  ndisc_send_rs+0x331/0x6e0
[  254.756043] 4*512kB 
[  254.760108]  addrconf_rs_timer+0x3c0/0x6f0
[  254.762059] (M) 
[  254.765960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.768257] 3*1024kB 
[  254.772496]  call_timer_fn+0x272/0x920
[  254.774439] (UM) 
[  254.778664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.781051] 3*2048kB 
[  254.784941]  ? process_timeout+0x40/0x40
[  254.786977] (M) 
[  254.791206]  ? find_held_lock+0x36/0x1c0
[  254.793595] 3*4096kB 
[  254.797656]  ? __run_timers+0x7da/0xc70
[  254.799610] (M) 
[  254.803669]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.806048] = 25212kB
[  254.806057] Node 0 
[  254.810041]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.811992] Normal: 
[  254.816479]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.818868] 887*4kB 
[  254.821108]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  254.825578] (UME) 
[  254.827900]  ? trace_hardirqs_on+0xbd/0x310
[  254.832111] 378*8kB 
[  254.834426]  ? kasan_check_read+0x11/0x20
[  254.838981] (UMEH) 
[  254.841133]  ? __run_timers+0x7da/0xc70
[  254.845429] 172*16kB 
[  254.847746]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.851868] (UMEH) 
[  254.854109]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.858056] 106*32kB 
[  254.860471]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.865890] (UMEH) 
[  254.868119]  __run_timers+0x7e5/0xc70
[  254.872331] 16*64kB 
[  254.874743]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  254.878939] (UMH) 
[  254.881868]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.885642] 0*128kB 
[  254.887956]  ? graph_lock+0x170/0x170
[  254.893295] 1*256kB 
[  254.895435]  ? enqueue_hrtimer+0x1a5/0x560
[  254.900424] (H) 
[  254.902739]  ? lock_release+0x970/0x970
[  254.906513] 0*512kB 
[  254.908825]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  254.913039] 0*1024kB 
[  254.915008]  ? find_held_lock+0x36/0x1c0
[  254.918957] 0*2048kB 
[  254.921282]  ? graph_lock+0x170/0x170
[  254.926445] 0*4096kB 
[  254.928846]  ? pvclock_read_flags+0x160/0x160
[  254.932883] = 13996kB
[  254.935292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.939078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  254.941483]  ? check_preemption_disabled+0x48/0x200
[  254.945960] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  254.948366]  ? __lock_is_held+0xb5/0x140
[  254.953871] 4508 total pagecache pages
[  254.962701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.967693] 0 pages in swap cache
[  254.976260]  ? check_preemption_disabled+0x48/0x200
[  254.980301] Swap cache stats: add 0, delete 0, find 0/0
[  254.984185]  run_timer_softirq+0x52/0xb0
[  254.989692] Free swap  = 0kB
[  254.993141]  ? rcu_read_lock_sched_held+0x108/0x120
[  254.998134] Total swap = 0kB
[  255.003490]  __do_softirq+0x30b/0xad8
[  255.007521] 1965979 pages RAM
[  255.010538]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  255.015517] 0 pages HighMem/MovableOnly
[  255.015526] 343323 pages reserved
[  255.018542]  ? pvclock_read_flags+0x160/0x160
[  255.022313] 0 pages cma reserved
[  255.025413]  ? lapic_next_event+0x5a/0x90
[  255.030586] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  255.034463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.037946] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.042379]  ? check_preemption_disabled+0x48/0x200
[  255.045724] ksoftirqd/1 cpuset=
[  255.049861]  ? check_preemption_disabled+0x48/0x200
[  255.056327] /
[  255.061862]  ? kvm_clock_read+0x18/0x30
[  255.072165]  mems_allowed=0
[  255.077172]  ? kvm_sched_clock_read+0x9/0x20
[  255.098411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.103947]  ? check_preemption_disabled+0x48/0x200
[  255.108977]  irq_exit+0x17f/0x1c0
[  255.112434]  smp_apic_timer_interrupt+0x1cb/0x760
[  255.117281]  ? smp_reschedule_interrupt+0x109/0x650
[  255.122299]  ? smp_call_function_single_interrupt+0x650/0x650
[  255.128182]  ? interrupt_entry+0xb5/0xf0
[  255.132243]  ? trace_hardirqs_off_caller+0xbb/0x300
[  255.137256]  ? trace_hardirqs_off_caller+0xbb/0x300
[  255.142272]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.147114]  ? trace_hardirqs_off+0x300/0x300
[  255.151611]  ? trace_hardirqs_off+0x300/0x300
[  255.156116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.161663]  ? check_preemption_disabled+0x48/0x200
[  255.166699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.172248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.177116]  apic_timer_interrupt+0xf/0x20
[  255.181347]  </IRQ>
[  255.183596] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  255.188528] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  255.207428] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  255.215138] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  255.222403] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  255.229670] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  255.236934] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  255.244202] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  255.251513]  skb_clone+0x1bb/0x500
[  255.255057]  ? finish_task_switch+0x2f5/0x900
[  255.259569]  ? skb_split+0x11e0/0x11e0
[  255.263461]  ? preempt_notifier_register+0x200/0x200
[  255.268567]  ? __switch_to_asm+0x34/0x70
[  255.272632]  ? __switch_to_asm+0x34/0x70
[  255.276693]  ? __switch_to_asm+0x40/0x70
[  255.280767]  ? __switch_to_asm+0x34/0x70
[  255.284824]  ? __switch_to_asm+0x40/0x70
[  255.288884]  ? __switch_to_asm+0x34/0x70
[  255.292940]  ? __switch_to_asm+0x40/0x70
[  255.296996]  ? __switch_to_asm+0x34/0x70
[  255.301060]  ? __switch_to_asm+0x34/0x70
[  255.305142]  ? __switch_to_asm+0x40/0x70
[  255.309200]  ? __switch_to_asm+0x34/0x70
[  255.313270]  bpf_clone_redirect+0xb9/0x490
[  255.317506]  ? __schedule+0x874/0x1ed0
[  255.321399]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  255.326416]  ? __sched_text_start+0x8/0x8
[  255.330564]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.335333]  ? find_held_lock+0x36/0x1c0
[  255.339404]  ? lock_acquire+0x1ed/0x520
[  255.343377]  ? bpf_test_run+0x32e/0x5a0
[  255.347351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.352891]  ? check_preemption_disabled+0x48/0x200
[  255.357911]  ? kasan_check_read+0x11/0x20
[  255.362064]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.367359]  ? rcu_bh_qs+0xc0/0xc0
[  255.370904]  ? preempt_schedule+0x4d/0x60
[  255.375053]  ? ___preempt_schedule+0x16/0x18
[  255.379480]  ? bpf_test_run+0x1c0/0x5a0
[  255.383466]  ? netlink_diag_dump+0x2a0/0x2a0
[  255.387881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.393420]  ? bpf_test_init.isra.9+0x70/0x100
[  255.398008]  ? bpf_prog_test_run_skb+0x634/0xb40
[  255.402769]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  255.407613]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  255.413148]  ? fput+0x130/0x1a0
[  255.416430]  ? __bpf_prog_get+0x9b/0x290
[  255.420497]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  255.425339]  ? bpf_prog_test_run+0x130/0x1a0
[  255.429750]  ? __x64_sys_bpf+0x3d8/0x510
[  255.433811]  ? bpf_prog_get+0x20/0x20
[  255.437633]  ? do_syscall_64+0x1b9/0x820
[  255.441696]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  255.447061]  ? syscall_return_slowpath+0x5e0/0x5e0
[  255.452009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.456855]  ? trace_hardirqs_off+0x300/0x300
[  255.461354]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  255.466375]  ? prepare_exit_to_usermode+0x291/0x3b0
[  255.471400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.476830]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  255.482211] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  255.482281] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  255.489050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.489059] Call Trace:
[  255.495669] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.504914]  dump_stack+0x1c4/0x2b4
[  255.507478] syz-executor4 cpuset=
[  255.517958]  ? dump_stack_print_info.cold.2+0x52/0x52
[  255.521559] syz4
[  255.525019]  warn_alloc.cold.118+0xb7/0x1bd
[  255.530176]  mems_allowed=0
[  255.532146]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.544210]  ? lock_downgrade+0x900/0x900
[  255.548373]  ? trace_hardirqs_off+0xb8/0x300
[  255.552787]  ? trace_hardirqs_off+0xb8/0x300
[  255.557209]  __alloc_pages_slowpath+0x2667/0x2d80
[  255.562084]  ? lockdep_on+0x50/0x50
[  255.565727]  ? warn_alloc+0x120/0x120
[  255.569538]  ? warn_alloc+0x120/0x120
[  255.573342]  ? print_usage_bug+0xc0/0xc0
[  255.577406]  ? warn_alloc+0x120/0x120
[  255.581210]  ? print_usage_bug+0xc0/0xc0
[  255.585284]  ? __lock_acquire+0x7ec/0x4ec0
[  255.589521]  ? __lock_acquire+0x7ec/0x4ec0
[  255.593758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.599297]  ? should_fail+0x22d/0xd01
[  255.603195]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.608304]  ? __lock_acquire+0x7ec/0x4ec0
[  255.612548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.617653]  ? __lock_acquire+0x7ec/0x4ec0
[  255.621888]  ? should_fail+0x22d/0xd01
[  255.625787]  ? mark_held_locks+0x130/0x130
[  255.630026]  ? mark_held_locks+0x130/0x130
[  255.634263]  ? graph_lock+0x170/0x170
[  255.638063]  ? graph_lock+0x170/0x170
[  255.641878]  ? graph_lock+0x170/0x170
[  255.645677]  ? print_usage_bug+0xc0/0xc0
[  255.649738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.655280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.660819]  ? check_preemption_disabled+0x48/0x200
[  255.665837]  ? check_preemption_disabled+0x48/0x200
[  255.670865]  ? __lock_is_held+0xb5/0x140
[  255.674935]  __alloc_pages_nodemask+0xa80/0xde0
[  255.679611]  ? graph_lock+0x170/0x170
[  255.683415]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  255.688429]  ? graph_lock+0x170/0x170
[  255.692244]  ? find_held_lock+0x36/0x1c0
[  255.696320]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.700993]  ? lock_downgrade+0x900/0x900
[  255.705151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.710696]  cache_grow_begin+0x91/0x8c0
[  255.714764]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.719181]  fallback_alloc+0x203/0x2e0
[  255.723166]  ____cache_alloc_node+0x1c7/0x1e0
[  255.727670]  kmem_cache_alloc_node+0xe3/0x730
[  255.732172]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.736418]  __alloc_skb+0x119/0x770
[  255.740137]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.745416]  ? skb_scrub_packet+0x490/0x490
[  255.749737]  ? lock_downgrade+0x900/0x900
[  255.753897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.759440]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.764898]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.770351]  ? addrconf_rs_timer+0x6f0/0x6f0
[  255.774779]  ndisc_alloc_skb+0x144/0x340
[  255.778846]  ndisc_send_rs+0x331/0x6e0
[  255.782742]  addrconf_rs_timer+0x3c0/0x6f0
[  255.786989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.791238]  call_timer_fn+0x272/0x920
[  255.795130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.799371]  ? process_timeout+0x40/0x40
[  255.803429]  ? find_held_lock+0x36/0x1c0
[  255.807501]  ? __run_timers+0x7da/0xc70
[  255.811479]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.815977]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.820468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.824702]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  255.829288]  ? trace_hardirqs_on+0xbd/0x310
[  255.833612]  ? kasan_check_read+0x11/0x20
[  255.837762]  ? __run_timers+0x7da/0xc70
[  255.841741]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.847195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.851437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.855673]  __run_timers+0x7e5/0xc70
[  255.859489]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  255.864853]  ? compat_start_thread+0x80/0x80
[  255.869264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.874807]  ? kasan_check_write+0x14/0x20
[  255.879046]  ? finish_task_switch+0x2f5/0x900
[  255.883549]  ? __switch_to_asm+0x40/0x70
[  255.887621]  ? preempt_notifier_register+0x200/0x200
[  255.892725]  ? __switch_to_asm+0x34/0x70
[  255.896792]  ? __switch_to_asm+0x40/0x70
[  255.900884]  ? __switch_to_asm+0x34/0x70
[  255.904950]  ? __switch_to_asm+0x40/0x70
[  255.909011]  ? __switch_to_asm+0x34/0x70
[  255.913079]  ? __switch_to_asm+0x40/0x70
[  255.917159]  ? pvclock_read_flags+0x160/0x160
[  255.921659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.927198]  ? check_preemption_disabled+0x48/0x200
[  255.932226]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  255.937764]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.943048]  ? rcu_pm_notify+0xc0/0xc0
[  255.946963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.952503]  ? check_preemption_disabled+0x48/0x200
[  255.957530]  run_timer_softirq+0x52/0xb0
[  255.961597]  ? rcu_read_lock_sched_held+0x108/0x120
[  255.966619]  __do_softirq+0x30b/0xad8
[  255.970433]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  255.975544]  ? schedule+0x108/0x460
[  255.979178]  ? __schedule+0x1ed0/0x1ed0
[  255.983163]  ? trace_hardirqs_off+0xb8/0x300
[  255.987576]  ? ___might_sleep+0x1ed/0x300
[  255.991734]  ? smpboot_thread_fn+0x68b/0xa00
[  255.996174]  ? trace_hardirqs_on+0x310/0x310
[  256.000590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.006130]  ? check_preemption_disabled+0x48/0x200
[  256.011146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.016696]  ? takeover_tasklets+0xa90/0xa90
[  256.021110]  run_ksoftirqd+0x94/0x100
[  256.024915]  smpboot_thread_fn+0x68b/0xa00
[  256.029156]  ? sort_range+0x30/0x30
[  256.032814]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.037921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.043461]  ? __kthread_parkme+0xfb/0x1a0
[  256.047710]  kthread+0x35a/0x420
[  256.051085]  ? sort_range+0x30/0x30
[  256.054714]  ? kthread_bind+0x40/0x40
[  256.058524]  ret_from_fork+0x3a/0x50
[  256.062263] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  256.062269] warn_alloc_show_mem: 1 callbacks suppressed
[  256.062277] Mem-Info:
[  256.069454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.069463] Call Trace:
[  256.074839] active_anon:44072 inactive_anon:951 isolated_anon:0
[  256.074839]  active_file:15 inactive_file:18 isolated_file:0
[  256.074839]  unevictable:0 dirty:0 writeback:0 unstable:0
[  256.074839]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  256.074839]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  256.074839]  free:13779 free_pcp:230 free_cma:0
[  256.077215]  <IRQ>
[  256.086579] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  256.089165]  dump_stack+0x1c4/0x2b4
[  256.122117] Node 0 
[  256.124280]  ? dump_stack_print_info.cold.2+0x52/0x52
[  256.152037] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  256.155654]  warn_alloc.cold.118+0xb7/0x1bd
[  256.157850] lowmem_reserve[]:
[  256.163036]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.188518]  0 2815
[  256.192870]  ? lock_downgrade+0x900/0x900
[  256.195942]  6318
[  256.200781]  ? trace_hardirqs_off+0xb8/0x300
[  256.202991]  6318
[  256.207130]  ? trace_hardirqs_off+0xb8/0x300
[  256.213577]  __alloc_pages_slowpath+0x2667/0x2d80
[  256.215611] Node 0 
[  256.220037]  ? warn_alloc+0x120/0x120
[  256.224853] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  256.227057]  ? trace_hardirqs_on+0x310/0x310
[  256.230839] lowmem_reserve[]:
[  256.257734]  ? warn_alloc+0x120/0x120
[  256.262119]  0
[  256.265218]  ? print_usage_bug+0xc0/0xc0
[  256.268993]  0
[  256.270791]  ? warn_alloc+0x120/0x120
[  256.274824]  3503
[  256.276623]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  256.280389]  3503
[  256.282458]  ? print_usage_bug+0xc0/0xc0
[  256.287454] Node 0 
[  256.289515]  ? __lock_acquire+0x7ec/0x4ec0
[  256.293573] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  256.295780]  ? __lock_acquire+0x7ec/0x4ec0
[  256.299987] lowmem_reserve[]:
[  256.328366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.332568]  0 0
[  256.335682]  ? should_fail+0x22d/0xd01
[  256.341187]  0 0
[  256.343169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.349062]  ? __lock_acquire+0x7ec/0x4ec0
[  256.354147] Node 0 DMA: 
[  256.358382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.358398]  ? __lock_acquire+0x7ec/0x4ec0
[  256.361049] 1*4kB 
[  256.366150]  ? should_fail+0x22d/0xd01
[  256.370361] (U) 
[  256.372507]  ? print_usage_bug+0xc0/0xc0
[  256.376367] 0*8kB 
[  256.378340]  ? mark_held_locks+0x130/0x130
[  256.382380] 0*16kB 
[  256.384522]  ? mark_held_locks+0x130/0x130
[  256.388732] 1*32kB 
[  256.390962]  ? graph_lock+0x170/0x170
[  256.395167] (U) 
[  256.397399]  ? print_usage_bug+0xc0/0xc0
[  256.401177] 2*64kB (U) 
[  256.403165]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  256.407196] 1*128kB 
[  256.409777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.414499] (U) 1*256kB 
[  256.416831]  ? check_preemption_disabled+0x48/0x200
[  256.422336] (U) 0*512kB 
[  256.425013]  ? check_preemption_disabled+0x48/0x200
[  256.430000] 1*1024kB 
[  256.432679]  ? __lock_is_held+0xb5/0x140
[  256.437660] (U) 
[  256.440079]  __alloc_pages_nodemask+0xa80/0xde0
[  256.444111] 1*2048kB 
[  256.446090]  ? graph_lock+0x170/0x170
[  256.450733] (M) 
[  256.453139]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  256.456910] 3*4096kB 
[  256.458876]  ? graph_lock+0x170/0x170
[  256.463863] (M) 
[  256.466274]  ? find_held_lock+0x36/0x1c0
[  256.470045] = 15908kB
[  256.472019]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.476051] Node 0 
[  256.478466]  ? lock_downgrade+0x900/0x900
[  256.483134] DMA32: 
[  256.485367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.489484] 1*4kB 
[  256.491715]  cache_grow_begin+0x91/0x8c0
[  256.497224] (M) 
[  256.499373]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.503410] 3*8kB 
[  256.505382]  fallback_alloc+0x203/0x2e0
[  256.509760] (UM) 
[  256.511904]  ____cache_alloc_node+0x1c7/0x1e0
[  256.515852] 0*16kB 
[  256.517923]  kmem_cache_alloc_node+0xe3/0x730
[  256.522396] 3*32kB 
[  256.524626]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.529098] (UM) 
[  256.531332]  __alloc_skb+0x119/0x770
[  256.535626] 2*64kB 
[  256.537683]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.541365] (M) 
[  256.543601]  ? skb_scrub_packet+0x490/0x490
[  256.548851] 5*128kB 
[  256.550819]  ? lock_downgrade+0x900/0x900
[  256.555116] (UM) 
[  256.557435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.561551] 3*256kB 
[  256.563609]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.569118] (M) 
[  256.571443]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.576867] 4*512kB 
[  256.578836]  ? addrconf_rs_timer+0x6f0/0x6f0
[  256.584259] (M) 
[  256.586584]  ndisc_alloc_skb+0x144/0x340
[  256.590961] 3*1024kB 
[  256.592932]  ndisc_send_rs+0x331/0x6e0
[  256.597157] (UM) 
[  256.599565]  addrconf_rs_timer+0x3c0/0x6f0
[  256.603423] 3*2048kB 
[  256.605627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.609840] (M) 
[  256.612256]  call_timer_fn+0x272/0x920
[  256.616454] 3*4096kB 
[  256.618420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.622280] (M) 
[  256.624686]  ? process_timeout+0x40/0x40
[  256.628894] = 25212kB
[  256.630862]  ? find_held_lock+0x36/0x1c0
[  256.634897] Node 0 
[  256.637306]  ? __run_timers+0x7da/0xc70
[  256.641335] Normal: 
[  256.643565]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.647514] 887*4kB 
[  256.649826]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.654293] (UME) 
[  256.656610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.661094] 378*8kB 
[  256.663239]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  256.667446] (UMEH) 
[  256.669763]  ? trace_hardirqs_on+0xbd/0x310
[  256.674333] 172*16kB 
[  256.676576]  ? kasan_check_read+0x11/0x20
[  256.680876] (UMEH) 
[  256.683283]  ? __run_timers+0x7da/0xc70
[  256.687435] 106*32kB 
[  256.689668]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.693615] (UMEH) 
[  256.696023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.701444] 16*64kB 
[  256.703673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.707880] (UMH) 
[  256.710202]  __run_timers+0x7e5/0xc70
[  256.714414] 0*128kB 
[  256.716565]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  256.720332] 1*256kB 
[  256.722647]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.727983] (H) 
[  256.730301]  ? graph_lock+0x170/0x170
[  256.735292] 0*512kB 
[  256.737262]  ? enqueue_hrtimer+0x1a5/0x560
[  256.741046] 0*1024kB 
[  256.743359]  ? lock_release+0x970/0x970
[  256.747567] 0*2048kB 
[  256.749976]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  256.753924] 0*4096kB 
[  256.756329]  ? find_held_lock+0x36/0x1c0
[  256.761489] = 13996kB
[  256.763892]  ? graph_lock+0x170/0x170
[  256.767935] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  256.770333]  ? pvclock_read_flags+0x160/0x160
[  256.774124] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  256.782951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.787424] 4508 total pagecache pages
[  256.796007]  ? check_preemption_disabled+0x48/0x200
[  256.801525] 0 pages in swap cache
[  256.805407]  ? __lock_is_held+0xb5/0x140
[  256.810394] Swap cache stats: add 0, delete 0, find 0/0
[  256.813836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.817867] Free swap  = 0kB
[  256.823224]  ? check_preemption_disabled+0x48/0x200
[  256.828736] Total swap = 0kB
[  256.831749]  run_timer_softirq+0x52/0xb0
[  256.836733] 1965979 pages RAM
[  256.839756]  ? rcu_read_lock_sched_held+0x108/0x120
[  256.843791] 0 pages HighMem/MovableOnly
[  256.846888]  __do_softirq+0x30b/0xad8
[  256.851876] 343323 pages reserved
[  256.855882]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  256.859661] 0 pages cma reserved
[  256.863118]  ? pvclock_read_flags+0x160/0x160
[  256.868259] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.871541]  ? lapic_next_event+0x5a/0x90
[  256.871557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.871573]  ? check_preemption_disabled+0x48/0x200
[  256.876117] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.882538]  ? check_preemption_disabled+0x48/0x200
[  256.886663] ksoftirqd/1 cpuset=
[  256.892193]  ? kvm_clock_read+0x18/0x30
[  256.897226] /
[  256.907528]  ? kvm_sched_clock_read+0x9/0x20
[  256.912518]  mems_allowed=0
[  256.915789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.934276]  ? check_preemption_disabled+0x48/0x200
[  256.939308]  irq_exit+0x17f/0x1c0
[  256.942765]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.947607]  ? smp_reschedule_interrupt+0x109/0x650
[  256.952625]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.958509]  ? interrupt_entry+0xb5/0xf0
[  256.962578]  ? trace_hardirqs_off_caller+0xbb/0x300
[  256.967591]  ? trace_hardirqs_off_caller+0xbb/0x300
[  256.972616]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.977458]  ? trace_hardirqs_off+0x300/0x300
[  256.981951]  ? trace_hardirqs_off+0x300/0x300
[  256.986450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.991989]  ? check_preemption_disabled+0x48/0x200
[  256.997014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.002561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.007419]  apic_timer_interrupt+0xf/0x20
[  257.011650]  </IRQ>
[  257.013892] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  257.018824] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  257.037727] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  257.045440] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  257.052708] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  257.059973] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  257.067238] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  257.074507] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  257.081822]  skb_clone+0x1bb/0x500
[  257.085379]  ? finish_task_switch+0x2f5/0x900
[  257.089875]  ? skb_split+0x11e0/0x11e0
[  257.093768]  ? preempt_notifier_register+0x200/0x200
[  257.098873]  ? __switch_to_asm+0x34/0x70
[  257.102932]  ? __switch_to_asm+0x34/0x70
[  257.106992]  ? __switch_to_asm+0x40/0x70
[  257.111051]  ? __switch_to_asm+0x34/0x70
[  257.115125]  ? __switch_to_asm+0x40/0x70
[  257.119186]  ? __switch_to_asm+0x34/0x70
[  257.123244]  ? __switch_to_asm+0x40/0x70
[  257.127312]  ? __switch_to_asm+0x34/0x70
[  257.131374]  ? __switch_to_asm+0x34/0x70
[  257.135433]  ? __switch_to_asm+0x40/0x70
[  257.139492]  ? __switch_to_asm+0x34/0x70
[  257.143564]  bpf_clone_redirect+0xb9/0x490
[  257.147808]  ? __schedule+0x874/0x1ed0
[  257.151705]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  257.156726]  ? __sched_text_start+0x8/0x8
[  257.160875]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  257.165648]  ? find_held_lock+0x36/0x1c0
[  257.169724]  ? lock_acquire+0x1ed/0x520
[  257.173703]  ? bpf_test_run+0x32e/0x5a0
[  257.177680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.183215]  ? check_preemption_disabled+0x48/0x200
[  257.188234]  ? kasan_check_read+0x11/0x20
[  257.192388]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.197665]  ? rcu_bh_qs+0xc0/0xc0
[  257.201211]  ? preempt_schedule+0x4d/0x60
[  257.205364]  ? ___preempt_schedule+0x16/0x18
[  257.209779]  ? bpf_test_run+0x1c0/0x5a0
[  257.213764]  ? netlink_diag_dump+0x2a0/0x2a0
[  257.218179]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.223713]  ? bpf_test_init.isra.9+0x70/0x100
[  257.228302]  ? bpf_prog_test_run_skb+0x634/0xb40
[  257.233078]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  257.237928]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  257.243466]  ? fput+0x130/0x1a0
[  257.246748]  ? __bpf_prog_get+0x9b/0x290
[  257.250817]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  257.255656]  ? bpf_prog_test_run+0x130/0x1a0
[  257.260069]  ? __x64_sys_bpf+0x3d8/0x510
[  257.264147]  ? bpf_prog_get+0x20/0x20
[  257.267971]  ? do_syscall_64+0x1b9/0x820
[  257.272034]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  257.277399]  ? syscall_return_slowpath+0x5e0/0x5e0
[  257.282330]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.287177]  ? trace_hardirqs_off+0x300/0x300
[  257.291672]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  257.296691]  ? prepare_exit_to_usermode+0x291/0x3b0
[  257.301712]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.306566]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  257.311949] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  257.312020] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.318791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.318800] Call Trace:
[  257.325378] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.334637]  dump_stack+0x1c4/0x2b4
[  257.337198] syz-executor4 cpuset=
[  257.347674]  ? dump_stack_print_info.cold.2+0x52/0x52
[  257.351276] syz4
[  257.354733]  warn_alloc.cold.118+0xb7/0x1bd
[  257.359891]  mems_allowed=0
[  257.361861]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.373919]  ? lock_downgrade+0x900/0x900
[  257.378083]  ? trace_hardirqs_off+0xb8/0x300
[  257.382505]  ? trace_hardirqs_off+0xb8/0x300
[  257.386924]  __alloc_pages_slowpath+0x2667/0x2d80
[  257.391789]  ? lockdep_on+0x50/0x50
[  257.395428]  ? warn_alloc+0x120/0x120
[  257.399240]  ? warn_alloc+0x120/0x120
[  257.403046]  ? print_usage_bug+0xc0/0xc0
[  257.407120]  ? warn_alloc+0x120/0x120
[  257.410921]  ? print_usage_bug+0xc0/0xc0
[  257.414989]  ? __lock_acquire+0x7ec/0x4ec0
[  257.419225]  ? __lock_acquire+0x7ec/0x4ec0
[  257.423469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.429009]  ? should_fail+0x22d/0xd01
[  257.432901]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.438002]  ? __lock_acquire+0x7ec/0x4ec0
[  257.442244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.447344]  ? __lock_acquire+0x7ec/0x4ec0
[  257.451576]  ? should_fail+0x22d/0xd01
[  257.455481]  ? mark_held_locks+0x130/0x130
[  257.459735]  ? mark_held_locks+0x130/0x130
[  257.463988]  ? graph_lock+0x170/0x170
[  257.467790]  ? graph_lock+0x170/0x170
[  257.471596]  ? graph_lock+0x170/0x170
[  257.475675]  ? print_usage_bug+0xc0/0xc0
[  257.479739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.485280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.490820]  ? check_preemption_disabled+0x48/0x200
[  257.495838]  ? check_preemption_disabled+0x48/0x200
[  257.500865]  ? __lock_is_held+0xb5/0x140
[  257.504935]  __alloc_pages_nodemask+0xa80/0xde0
[  257.509606]  ? graph_lock+0x170/0x170
[  257.513415]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  257.518430]  ? graph_lock+0x170/0x170
[  257.522242]  ? find_held_lock+0x36/0x1c0
[  257.526317]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.530986]  ? lock_downgrade+0x900/0x900
[  257.535145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.540690]  cache_grow_begin+0x91/0x8c0
[  257.544757]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.549176]  fallback_alloc+0x203/0x2e0
[  257.553186]  ____cache_alloc_node+0x1c7/0x1e0
[  257.557688]  kmem_cache_alloc_node+0xe3/0x730
[  257.562189]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.566434]  __alloc_skb+0x119/0x770
[  257.570153]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.575436]  ? skb_scrub_packet+0x490/0x490
[  257.579756]  ? lock_downgrade+0x900/0x900
[  257.583920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.589461]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.594915]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.600372]  ? addrconf_rs_timer+0x6f0/0x6f0
[  257.604797]  ndisc_alloc_skb+0x144/0x340
[  257.608863]  ndisc_send_rs+0x331/0x6e0
[  257.612760]  addrconf_rs_timer+0x3c0/0x6f0
[  257.617003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.621253]  call_timer_fn+0x272/0x920
[  257.625140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.629378]  ? process_timeout+0x40/0x40
[  257.633437]  ? find_held_lock+0x36/0x1c0
[  257.637507]  ? __run_timers+0x7da/0xc70
[  257.641489]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.645985]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.650478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.654716]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  257.659304]  ? trace_hardirqs_on+0xbd/0x310
[  257.663634]  ? kasan_check_read+0x11/0x20
[  257.667786]  ? __run_timers+0x7da/0xc70
[  257.671763]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.677222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.681466]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.685700]  __run_timers+0x7e5/0xc70
[  257.689540]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  257.694910]  ? compat_start_thread+0x80/0x80
[  257.699326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.704872]  ? kasan_check_write+0x14/0x20
[  257.709108]  ? finish_task_switch+0x2f5/0x900
[  257.713615]  ? __switch_to_asm+0x40/0x70
[  257.717687]  ? preempt_notifier_register+0x200/0x200
[  257.722790]  ? __switch_to_asm+0x34/0x70
[  257.726851]  ? __switch_to_asm+0x40/0x70
[  257.730912]  ? __switch_to_asm+0x34/0x70
[  257.734971]  ? __switch_to_asm+0x40/0x70
[  257.739027]  ? __switch_to_asm+0x34/0x70
[  257.743094]  ? __switch_to_asm+0x40/0x70
[  257.747171]  ? pvclock_read_flags+0x160/0x160
[  257.751667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.757206]  ? check_preemption_disabled+0x48/0x200
[  257.762235]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  257.767783]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.773064]  ? rcu_pm_notify+0xc0/0xc0
[  257.776968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.782543]  ? check_preemption_disabled+0x48/0x200
[  257.787591]  run_timer_softirq+0x52/0xb0
[  257.791654]  ? rcu_read_lock_sched_held+0x108/0x120
[  257.796673]  __do_softirq+0x30b/0xad8
[  257.800484]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  257.805606]  ? schedule+0x108/0x460
[  257.809243]  ? __schedule+0x1ed0/0x1ed0
[  257.813231]  ? trace_hardirqs_off+0xb8/0x300
[  257.817644]  ? ___might_sleep+0x1ed/0x300
[  257.821811]  ? smpboot_thread_fn+0x68b/0xa00
[  257.826225]  ? trace_hardirqs_on+0x310/0x310
[  257.830638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.836184]  ? check_preemption_disabled+0x48/0x200
[  257.841205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.846745]  ? takeover_tasklets+0xa90/0xa90
[  257.851162]  run_ksoftirqd+0x94/0x100
[  257.854962]  smpboot_thread_fn+0x68b/0xa00
[  257.859202]  ? sort_range+0x30/0x30
[  257.862840]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.867946]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.873498]  ? __kthread_parkme+0xfb/0x1a0
[  257.877742]  kthread+0x35a/0x420
[  257.881111]  ? sort_range+0x30/0x30
[  257.884736]  ? kthread_bind+0x40/0x40
[  257.888540]  ret_from_fork+0x3a/0x50
[  257.892267] warn_alloc_show_mem: 1 callbacks suppressed
[  257.892280] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  257.892282] Mem-Info:
[  257.892313] active_anon:44072 inactive_anon:951 isolated_anon:0
[  257.892313]  active_file:15 inactive_file:18 isolated_file:0
[  257.892313]  unevictable:0 dirty:0 writeback:0 unstable:0
[  257.892313]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  257.892313]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  257.892313]  free:13779 free_pcp:230 free_cma:0
[  257.897654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.904846] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  257.907250] Call Trace:
[  257.940225] Node 0 
[  257.949573]  <IRQ>
[  257.977339] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  257.979897]  dump_stack+0x1c4/0x2b4
[  257.982108] lowmem_reserve[]:
[  257.984251]  ? dump_stack_print_info.cold.2+0x52/0x52
[  258.009735]  0
[  258.013370]  warn_alloc.cold.118+0xb7/0x1bd
[  258.016524]  2815
[  258.021707]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.023508]  6318
[  258.027821]  ? lock_downgrade+0x900/0x900
[  258.029859]  6318
[  258.034701]  ? trace_hardirqs_off+0xb8/0x300
[  258.040879]  ? trace_hardirqs_off+0xb8/0x300
[  258.042921] Node 0 
[  258.047326]  __alloc_pages_slowpath+0x2667/0x2d80
[  258.051729] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  258.053957]  ? warn_alloc+0x120/0x120
[  258.058751] lowmem_reserve[]:
[  258.085644]  ? trace_hardirqs_on+0x310/0x310
[  258.089424]  0
[  258.092524]  ? warn_alloc+0x120/0x120
[  258.096904]  0
[  258.098699]  ? print_usage_bug+0xc0/0xc0
[  258.102465]  3503 3503
[  258.104270]  ? warn_alloc+0x120/0x120
[  258.110791]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  258.114563] Node 0 
[  258.119567]  ? print_usage_bug+0xc0/0xc0
[  258.119605] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  258.119612] lowmem_reserve[]:
[  258.121841]  ? __lock_acquire+0x7ec/0x4ec0
[  258.125880]  0
[  258.154238]  ? __lock_acquire+0x7ec/0x4ec0
[  258.157317]  0
[  258.161546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.163321]  0
[  258.167548]  ? should_fail+0x22d/0xd01
[  258.169322]  0
[  258.174853]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.180512]  ? __lock_acquire+0x7ec/0x4ec0
[  258.182292] Node 0 
[  258.187390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.191599] DMA: 
[  258.193831]  ? __lock_acquire+0x7ec/0x4ec0
[  258.198907] 1*4kB 
[  258.200964]  ? should_fail+0x22d/0xd01
[  258.205169] (U) 
[  258.207313]  ? print_usage_bug+0xc0/0xc0
[  258.211176] 0*8kB 
[  258.213151]  ? mark_held_locks+0x130/0x130
[  258.217181] 0*16kB 
[  258.219327]  ? mark_held_locks+0x130/0x130
[  258.223535] 1*32kB (U) 
[  258.225789]  ? graph_lock+0x170/0x170
[  258.229993] 2*64kB 
[  258.232570]  ? print_usage_bug+0xc0/0xc0
[  258.236345] (U) 
[  258.238576]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.242614] 1*128kB 
[  258.244604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.249340] (U) 
[  258.251656]  ? check_preemption_disabled+0x48/0x200
[  258.257165] 1*256kB 
[  258.259136]  ? check_preemption_disabled+0x48/0x200
[  258.264126] (U) 
[  258.266457]  ? __lock_is_held+0xb5/0x140
[  258.271439] 0*512kB 1*1024kB 
[  258.273420]  __alloc_pages_nodemask+0xa80/0xde0
[  258.277451] (U) 
[  258.280548]  ? graph_lock+0x170/0x170
[  258.285193] 1*2048kB 
[  258.287168]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  258.290944] (M) 
[  258.293348]  ? graph_lock+0x170/0x170
[  258.298343] 3*4096kB 
[  258.300321]  ? find_held_lock+0x36/0x1c0
[  258.304102] (M) 
[  258.306511]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.310540] = 15908kB
[  258.312509]  ? lock_downgrade+0x900/0x900
[  258.317153] Node 0 
[  258.319561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.323679] DMA32: 
[  258.325913]  cache_grow_begin+0x91/0x8c0
[  258.331429] 1*4kB 
[  258.333661]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.337692] (M) 
[  258.339839]  fallback_alloc+0x203/0x2e0
[  258.344224] 3*8kB 
[  258.346201]  ____cache_alloc_node+0x1c7/0x1e0
[  258.350147] (UM) 
[  258.352292]  kmem_cache_alloc_node+0xe3/0x730
[  258.356761] 0*16kB 
[  258.358817]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.363282] 3*32kB 
[  258.365515]  __alloc_skb+0x119/0x770
[  258.369730] (UM) 
[  258.371973]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  258.375658] 2*64kB 
[  258.377720]  ? skb_scrub_packet+0x490/0x490
[  258.382966] (M) 
[  258.385197]  ? lock_downgrade+0x900/0x900
[  258.389492] 5*128kB 
[  258.391467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.395588] (UM) 
[  258.397908]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.403421] 3*256kB 
[  258.405476]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.410898] (M) 
[  258.413222]  ? addrconf_rs_timer+0x6f0/0x6f0
[  258.418644] 4*512kB 
[  258.420622]  ndisc_alloc_skb+0x144/0x340
[  258.424991] (M) 
[  258.427315]  ndisc_send_rs+0x331/0x6e0
[  258.431347] 3*1024kB 
[  258.433317]  addrconf_rs_timer+0x3c0/0x6f0
[  258.437178] (UM) 
[  258.439589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.443801] 3*2048kB 
[  258.445869]  call_timer_fn+0x272/0x920
[  258.450068] (M) 
[  258.452486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.456347] 3*4096kB 
[  258.458322]  ? process_timeout+0x40/0x40
[  258.462537] (M) 
[  258.464946]  ? find_held_lock+0x36/0x1c0
[  258.468983] = 25212kB
[  258.470956]  ? __run_timers+0x7da/0xc70
[  258.474994] Node 0 
[  258.477412]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.481356] Normal: 
[  258.483586]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.488062] 887*4kB 
[  258.490406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.494877] (UME) 
[  258.497199]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  258.501404] 378*8kB 
[  258.503550]  ? trace_hardirqs_on+0xbd/0x310
[  258.508118] (UMEH) 
[  258.510433]  ? kasan_check_read+0x11/0x20
[  258.514731] 172*16kB 
[  258.516968]  ? __run_timers+0x7da/0xc70
[  258.521107] (UMEH) 
[  258.523518]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.527465] 106*32kB 
[  258.529694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.535112] (UMEH) 
[  258.537518]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.541725] 16*64kB 
[  258.543956]  __run_timers+0x7e5/0xc70
[  258.548164] (UMH) 
[  258.550497]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  258.554270] 0*128kB 
[  258.556432]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.561760] 1*256kB (H) 
[  258.564101]  ? graph_lock+0x170/0x170
[  258.569098] 0*512kB 
[  258.571760]  ? enqueue_hrtimer+0x1a5/0x560
[  258.575534] 0*1024kB 
[  258.577849]  ? lock_release+0x970/0x970
[  258.582063] 0*2048kB 
[  258.584477]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  258.588426] 0*4096kB 
[  258.590830]  ? find_held_lock+0x36/0x1c0
[  258.595994] = 13996kB
[  258.598396]  ? graph_lock+0x170/0x170
[  258.602441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  258.605028]  ? pvclock_read_flags+0x160/0x160
[  258.608812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  258.617636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.622108] 4508 total pagecache pages
[  258.630676]  ? check_preemption_disabled+0x48/0x200
[  258.636192] 0 pages in swap cache
[  258.640091]  ? __lock_is_held+0xb5/0x140
[  258.645078] Swap cache stats: add 0, delete 0, find 0/0
[  258.648523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.652563] Free swap  = 0kB
[  258.657918]  ? check_preemption_disabled+0x48/0x200
[  258.663428] Total swap = 0kB
[  258.666447]  run_timer_softirq+0x52/0xb0
[  258.671434] 1965979 pages RAM
[  258.674448]  ? rcu_read_lock_sched_held+0x108/0x120
[  258.678493] 0 pages HighMem/MovableOnly
[  258.681594]  __do_softirq+0x30b/0xad8
[  258.686589] 343323 pages reserved
[  258.690561]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  258.695993] 0 pages cma reserved
[  258.699449]  ? pvclock_read_flags+0x160/0x160
[  258.704599] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.707882]  ? lapic_next_event+0x5a/0x90
[  258.712472] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.718942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.723065] ksoftirqd/1 cpuset=
[  258.733383]  ? check_preemption_disabled+0x48/0x200
[  258.738894] /
[  258.742169]  ? check_preemption_disabled+0x48/0x200
[  258.747167]  mems_allowed=0
[  258.748891]  ? kvm_clock_read+0x18/0x30
[  258.760776]  ? kvm_sched_clock_read+0x9/0x20
[  258.765189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.770729]  ? check_preemption_disabled+0x48/0x200
[  258.775761]  irq_exit+0x17f/0x1c0
[  258.779219]  smp_apic_timer_interrupt+0x1cb/0x760
[  258.784062]  ? smp_reschedule_interrupt+0x109/0x650
[  258.789104]  ? smp_call_function_single_interrupt+0x650/0x650
[  258.794992]  ? interrupt_entry+0xb5/0xf0
[  258.799056]  ? trace_hardirqs_off_caller+0xbb/0x300
[  258.804096]  ? trace_hardirqs_off_caller+0xbb/0x300
[  258.809126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.813970]  ? trace_hardirqs_off+0x300/0x300
[  258.818466]  ? trace_hardirqs_off+0x300/0x300
[  258.822978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.828518]  ? check_preemption_disabled+0x48/0x200
[  258.833533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.839093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.843953]  apic_timer_interrupt+0xf/0x20
[  258.848182]  </IRQ>
[  258.850422] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  258.855354] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  258.874256] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  258.881963] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  258.889231] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  258.896499] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  258.903763] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  258.911031] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  258.918347]  skb_clone+0x1bb/0x500
[  258.921892]  ? finish_task_switch+0x2f5/0x900
[  258.926385]  ? skb_split+0x11e0/0x11e0
[  258.930274]  ? preempt_notifier_register+0x200/0x200
[  258.935384]  ? __switch_to_asm+0x34/0x70
[  258.939448]  ? __switch_to_asm+0x34/0x70
[  258.943508]  ? __switch_to_asm+0x40/0x70
[  258.947572]  ? __switch_to_asm+0x34/0x70
[  258.951633]  ? __switch_to_asm+0x40/0x70
[  258.955695]  ? __switch_to_asm+0x34/0x70
[  258.959756]  ? __switch_to_asm+0x40/0x70
[  258.963817]  ? __switch_to_asm+0x34/0x70
[  258.967878]  ? __switch_to_asm+0x34/0x70
[  258.971937]  ? __switch_to_asm+0x40/0x70
[  258.975994]  ? __switch_to_asm+0x34/0x70
[  258.980068]  bpf_clone_redirect+0xb9/0x490
[  258.984331]  ? __schedule+0x874/0x1ed0
[  258.988226]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  258.993244]  ? __sched_text_start+0x8/0x8
[  258.997446]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  259.002217]  ? find_held_lock+0x36/0x1c0
[  259.006298]  ? lock_acquire+0x1ed/0x520
[  259.010288]  ? bpf_test_run+0x32e/0x5a0
[  259.014266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.019804]  ? check_preemption_disabled+0x48/0x200
[  259.024828]  ? kasan_check_read+0x11/0x20
[  259.028983]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.034269]  ? rcu_bh_qs+0xc0/0xc0
[  259.037823]  ? preempt_schedule+0x4d/0x60
[  259.041972]  ? ___preempt_schedule+0x16/0x18
[  259.046390]  ? bpf_test_run+0x1c0/0x5a0
[  259.050378]  ? netlink_diag_dump+0x2a0/0x2a0
[  259.054789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.060323]  ? bpf_test_init.isra.9+0x70/0x100
[  259.064916]  ? bpf_prog_test_run_skb+0x634/0xb40
[  259.069681]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  259.074527]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  259.080063]  ? fput+0x130/0x1a0
[  259.083361]  ? __bpf_prog_get+0x9b/0x290
[  259.087425]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  259.092265]  ? bpf_prog_test_run+0x130/0x1a0
[  259.096679]  ? __x64_sys_bpf+0x3d8/0x510
[  259.100742]  ? bpf_prog_get+0x20/0x20
[  259.104562]  ? do_syscall_64+0x1b9/0x820
[  259.108629]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  259.113994]  ? syscall_return_slowpath+0x5e0/0x5e0
[  259.118922]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.123767]  ? trace_hardirqs_off+0x300/0x300
[  259.128268]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  259.133287]  ? prepare_exit_to_usermode+0x291/0x3b0
[  259.138314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.143170]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  259.148555] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  259.148626] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.155402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.155408] Call Trace:
[  259.155427]  dump_stack+0x1c4/0x2b4
[  259.155444]  ? dump_stack_print_info.cold.2+0x52/0x52
[  259.155471]  warn_alloc.cold.118+0xb7/0x1bd
[  259.162019] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.171284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.173849] syz-executor4 cpuset=
[  259.177471]  ? lock_downgrade+0x900/0x900
[  259.182634] syz4
[  259.186952]  ? trace_hardirqs_off+0xb8/0x300
[  259.197412]  mems_allowed=0
[  259.202247]  ? trace_hardirqs_off+0xb8/0x300
[  259.223490]  __alloc_pages_slowpath+0x2667/0x2d80
[  259.228361]  ? lockdep_on+0x50/0x50
[  259.231997]  ? warn_alloc+0x120/0x120
[  259.235804]  ? warn_alloc+0x120/0x120
[  259.239612]  ? print_usage_bug+0xc0/0xc0
[  259.243674]  ? warn_alloc+0x120/0x120
[  259.247481]  ? print_usage_bug+0xc0/0xc0
[  259.251554]  ? __lock_acquire+0x7ec/0x4ec0
[  259.255794]  ? __lock_acquire+0x7ec/0x4ec0
[  259.260035]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.265576]  ? should_fail+0x22d/0xd01
[  259.269478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.274590]  ? __lock_acquire+0x7ec/0x4ec0
[  259.278832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.283931]  ? __lock_acquire+0x7ec/0x4ec0
[  259.288168]  ? should_fail+0x22d/0xd01
[  259.292055]  ? print_usage_bug+0xc0/0xc0
[  259.296134]  ? mark_held_locks+0x130/0x130
[  259.300376]  ? mark_held_locks+0x130/0x130
[  259.304623]  ? graph_lock+0x170/0x170
[  259.308428]  ? print_usage_bug+0xc0/0xc0
[  259.312489]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  259.317252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.324265]  ? check_preemption_disabled+0x48/0x200
[  259.329286]  ? check_preemption_disabled+0x48/0x200
[  259.334312]  ? __lock_is_held+0xb5/0x140
[  259.338386]  __alloc_pages_nodemask+0xa80/0xde0
[  259.343055]  ? graph_lock+0x170/0x170
[  259.346873]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  259.351891]  ? graph_lock+0x170/0x170
[  259.355705]  ? find_held_lock+0x36/0x1c0
[  259.359777]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.364446]  ? lock_downgrade+0x900/0x900
[  259.368611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.374160]  cache_grow_begin+0x91/0x8c0
[  259.378227]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.382665]  fallback_alloc+0x203/0x2e0
[  259.386649]  ____cache_alloc_node+0x1c7/0x1e0
[  259.391154]  kmem_cache_alloc_node+0xe3/0x730
[  259.395650]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.399898]  __alloc_skb+0x119/0x770
[  259.403616]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.408900]  ? skb_scrub_packet+0x490/0x490
[  259.413223]  ? lock_downgrade+0x900/0x900
[  259.417380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.422918]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.428378]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.433833]  ? addrconf_rs_timer+0x6f0/0x6f0
[  259.438257]  ndisc_alloc_skb+0x144/0x340
[  259.442329]  ndisc_send_rs+0x331/0x6e0
[  259.446227]  addrconf_rs_timer+0x3c0/0x6f0
[  259.450472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.454725]  call_timer_fn+0x272/0x920
[  259.458620]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.462859]  ? process_timeout+0x40/0x40
[  259.466928]  ? find_held_lock+0x36/0x1c0
[  259.471004]  ? __run_timers+0x7da/0xc70
[  259.475210]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.479707]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.484206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.488441]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  259.493024]  ? trace_hardirqs_on+0xbd/0x310
[  259.497347]  ? kasan_check_read+0x11/0x20
[  259.501504]  ? __run_timers+0x7da/0xc70
[  259.505478]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.510935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.515177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.519417]  __run_timers+0x7e5/0xc70
[  259.523235]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  259.528605]  ? compat_start_thread+0x80/0x80
[  259.533031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.538594]  ? kasan_check_write+0x14/0x20
[  259.542840]  ? finish_task_switch+0x2f5/0x900
[  259.547342]  ? __switch_to_asm+0x40/0x70
[  259.551416]  ? preempt_notifier_register+0x200/0x200
[  259.556522]  ? __switch_to_asm+0x34/0x70
[  259.560590]  ? __switch_to_asm+0x40/0x70
[  259.564650]  ? __switch_to_asm+0x34/0x70
[  259.568713]  ? __switch_to_asm+0x40/0x70
[  259.572778]  ? __switch_to_asm+0x34/0x70
[  259.576836]  ? __switch_to_asm+0x40/0x70
[  259.580913]  ? pvclock_read_flags+0x160/0x160
[  259.585409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.590946]  ? check_preemption_disabled+0x48/0x200
[  259.595974]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  259.601515]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.606795]  ? rcu_pm_notify+0xc0/0xc0
[  259.610693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.616230]  ? check_preemption_disabled+0x48/0x200
[  259.621265]  run_timer_softirq+0x52/0xb0
[  259.625328]  ? rcu_read_lock_sched_held+0x108/0x120
[  259.630349]  __do_softirq+0x30b/0xad8
[  259.634168]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  259.639280]  ? schedule+0x108/0x460
[  259.642911]  ? __schedule+0x1ed0/0x1ed0
[  259.646892]  ? trace_hardirqs_off+0xb8/0x300
[  259.651304]  ? ___might_sleep+0x1ed/0x300
[  259.655456]  ? smpboot_thread_fn+0x68b/0xa00
[  259.659864]  ? trace_hardirqs_on+0x310/0x310
[  259.664275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.669814]  ? check_preemption_disabled+0x48/0x200
[  259.674833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.680373]  ? takeover_tasklets+0xa90/0xa90
[  259.684785]  run_ksoftirqd+0x94/0x100
[  259.688594]  smpboot_thread_fn+0x68b/0xa00
[  259.692834]  ? sort_range+0x30/0x30
[  259.696470]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.701577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.707125]  ? __kthread_parkme+0xfb/0x1a0
[  259.711377]  kthread+0x35a/0x420
[  259.714746]  ? sort_range+0x30/0x30
[  259.718370]  ? kthread_bind+0x40/0x40
[  259.722178]  ret_from_fork+0x3a/0x50
[  259.725909] warn_alloc_show_mem: 1 callbacks suppressed
[  259.725922] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  259.725924] Mem-Info:
[  259.725955] active_anon:44072 inactive_anon:951 isolated_anon:0
[  259.725955]  active_file:15 inactive_file:18 isolated_file:0
[  259.725955]  unevictable:0 dirty:0 writeback:0 unstable:0
[  259.725955]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  259.725955]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  259.725955]  free:13779 free_pcp:230 free_cma:0
[  259.731296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.738487] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  259.740883] Call Trace:
[  259.773843] Node 0 
[  259.783194]  <IRQ>
[  259.810968] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  259.813528]  dump_stack+0x1c4/0x2b4
[  259.815736] lowmem_reserve[]:
[  259.817880]  ? dump_stack_print_info.cold.2+0x52/0x52
[  259.843367]  0
[  259.847004]  warn_alloc.cold.118+0xb7/0x1bd
[  259.850079]  2815
[  259.855262]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.857038]  6318
[  259.861351]  ? lock_downgrade+0x900/0x900
[  259.863388]  6318
[  259.868225]  ? trace_hardirqs_off+0xb8/0x300
[  259.874405]  ? trace_hardirqs_off+0xb8/0x300
[  259.876441] Node 0 
[  259.880846]  __alloc_pages_slowpath+0x2667/0x2d80
[  259.885251] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  259.887483]  ? warn_alloc+0x120/0x120
[  259.892278] lowmem_reserve[]:
[  259.919167]  ? trace_hardirqs_on+0x310/0x310
[  259.922942]  0
[  259.926044]  ? warn_alloc+0x120/0x120
[  259.930430]  0
[  259.932226]  ? print_usage_bug+0xc0/0xc0
[  259.936001]  3503
[  259.937796]  ? warn_alloc+0x120/0x120
[  259.941834]  3503
[  259.943892]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  259.949723]  ? print_usage_bug+0xc0/0xc0
[  259.954729] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  259.958823]  ? __lock_acquire+0x7ec/0x4ec0
[  259.958839]  ? __lock_acquire+0x7ec/0x4ec0
[  259.987792] lowmem_reserve[]: 0
[  259.992044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.996245]  0
[  259.999517]  ? should_fail+0x22d/0xd01
[  260.005028]  0
[  260.006824]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.010684]  0
[  260.012484]  ? __lock_acquire+0x7ec/0x4ec0
[  260.019366]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.023573] Node 0 
[  260.028662]  ? __lock_acquire+0x7ec/0x4ec0
[  260.028672] DMA: 
[  260.030899]  ? should_fail+0x22d/0xd01
[  260.035108] 1*4kB 
[  260.037167]  ? print_usage_bug+0xc0/0xc0
[  260.041027] (U) 
[  260.043179]  ? mark_held_locks+0x130/0x130
[  260.047210] 0*8kB 
[  260.049182]  ? mark_held_locks+0x130/0x130
[  260.053391] 0*16kB 
[  260.055538]  ? graph_lock+0x170/0x170
[  260.059742] 1*32kB 
[  260.061971]  ? print_usage_bug+0xc0/0xc0
[  260.065747] (U) 
[  260.067979]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.072010] 2*64kB 
[  260.073986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.078723] (U) 
[  260.080953]  ? check_preemption_disabled+0x48/0x200
[  260.086462] 1*128kB (U) 
[  260.088440]  ? check_preemption_disabled+0x48/0x200
[  260.093426] 1*256kB (U) 
[  260.096123]  ? __lock_is_held+0xb5/0x140
[  260.101107] 0*512kB 
[  260.103775]  __alloc_pages_nodemask+0xa80/0xde0
[  260.107804] 1*1024kB 
[  260.110119]  ? graph_lock+0x170/0x170
[  260.114766] (U) 
[  260.117171]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  260.120947] 1*2048kB 
[  260.122916]  ? graph_lock+0x170/0x170
[  260.127905] (M) 
[  260.130318]  ? find_held_lock+0x36/0x1c0
[  260.134096] 3*4096kB 
[  260.136070]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.140109] (M) 
[  260.142517]  ? lock_downgrade+0x900/0x900
[  260.147163] = 15908kB
[  260.149138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.153258] Node 0 
[  260.155664]  cache_grow_begin+0x91/0x8c0
[  260.161181] DMA32: 
[  260.163409]  ? do_raw_spin_unlock+0xa7/0x2f0
[  260.167445] 1*4kB 
[  260.169675]  fallback_alloc+0x203/0x2e0
[  260.174050] (M) 
[  260.176205]  ____cache_alloc_node+0x1c7/0x1e0
[  260.180150] 3*8kB 
[  260.182126]  kmem_cache_alloc_node+0xe3/0x730
[  260.186593] (UM) 
[  260.188733]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.193203] 0*16kB 
[  260.195266]  __alloc_skb+0x119/0x770
[  260.199469] 3*32kB 
[  260.201700]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  260.205384] (UM) 
[  260.207613]  ? skb_scrub_packet+0x490/0x490
[  260.212865] 2*64kB 
[  260.214921]  ? lock_downgrade+0x900/0x900
[  260.219212] (M) 
[  260.221446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.225563] 5*128kB 
[  260.227534]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.233039] (UM) 
[  260.235358]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.240783] 3*256kB 
[  260.242850]  ? addrconf_rs_timer+0x6f0/0x6f0
[  260.248271] (M) 
[  260.250596]  ndisc_alloc_skb+0x144/0x340
[  260.254972] 4*512kB 
[  260.256942]  ndisc_send_rs+0x331/0x6e0
[  260.260966] (M) 3*1024kB 
[  260.263298]  addrconf_rs_timer+0x3c0/0x6f0
[  260.267154] (UM) 
[  260.269908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.274115] 3*2048kB 
[  260.276185]  call_timer_fn+0x272/0x920
[  260.280385] (M) 
[  260.282792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.286657] 3*4096kB 
[  260.288627]  ? process_timeout+0x40/0x40
[  260.292834] (M) 
[  260.295240]  ? find_held_lock+0x36/0x1c0
[  260.299286] = 25212kB
[  260.301259]  ? __run_timers+0x7da/0xc70
[  260.305293] Node 0 
[  260.307698]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.311647] Normal: 
[  260.313879]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.318346] 887*4kB 
[  260.320661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.325129] (UME) 
[  260.327468]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  260.331677] 378*8kB 
[  260.333821]  ? trace_hardirqs_on+0xbd/0x310
[  260.338373] (UMEH) 
[  260.340703]  ? kasan_check_read+0x11/0x20
[  260.345000] 172*16kB 
[  260.347230]  ? __run_timers+0x7da/0xc70
[  260.351348] (UMEH) 
[  260.353756]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.357701] 106*32kB 
[  260.359934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.365356] (UMEH) 
[  260.367765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.371972] 16*64kB 
[  260.374206]  __run_timers+0x7e5/0xc70
[  260.378415] (UMH) 
[  260.380744]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  260.384507] 0*128kB 
[  260.386650]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.391989] 1*256kB 
[  260.394308]  ? graph_lock+0x170/0x170
[  260.399296] (H) 
[  260.401615]  ? enqueue_hrtimer+0x1a5/0x560
[  260.405405] 0*512kB 
[  260.407380]  ? lock_release+0x970/0x970
[  260.411591] 0*1024kB 
[  260.413909]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.417859] 0*2048kB 
[  260.420269]  ? find_held_lock+0x36/0x1c0
[  260.425431] 0*4096kB 
[  260.427836]  ? graph_lock+0x170/0x170
[  260.431870] = 13996kB
[  260.434273]  ? pvclock_read_flags+0x160/0x160
[  260.438051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  260.440454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.444927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  260.453765]  ? check_preemption_disabled+0x48/0x200
[  260.459276] 4508 total pagecache pages
[  260.467849]  ? __lock_is_held+0xb5/0x140
[  260.472840] 0 pages in swap cache
[  260.476714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.480750] Swap cache stats: add 0, delete 0, find 0/0
[  260.484190]  ? check_preemption_disabled+0x48/0x200
[  260.489703] Free swap  = 0kB
[  260.495060]  run_timer_softirq+0x52/0xb0
[  260.500045] Total swap = 0kB
[  260.503055]  ? rcu_read_lock_sched_held+0x108/0x120
[  260.507092] 1965979 pages RAM
[  260.507101] 0 pages HighMem/MovableOnly
[  260.510122]  __do_softirq+0x30b/0xad8
[  260.515117] 343323 pages reserved
[  260.518229]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  260.522167] 0 pages cma reserved
[  260.525964]  ? pvclock_read_flags+0x160/0x160
[  260.529457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.534476]  ? lapic_next_event+0x5a/0x90
[  260.534492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.534511]  ? check_preemption_disabled+0x48/0x200
[  260.537916] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.542344]  ? check_preemption_disabled+0x48/0x200
[  260.548812] ksoftirqd/1 cpuset=
[  260.552958]  ? kvm_clock_read+0x18/0x30
[  260.558466] /
[  260.563473]  ? kvm_sched_clock_read+0x9/0x20
[  260.573762]  mems_allowed=0
[  260.578771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.600521]  ? check_preemption_disabled+0x48/0x200
[  260.605752]  irq_exit+0x17f/0x1c0
[  260.609213]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.614059]  ? smp_reschedule_interrupt+0x109/0x650
[  260.619106]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.624991]  ? interrupt_entry+0xb5/0xf0
[  260.629059]  ? trace_hardirqs_off_caller+0xbb/0x300
[  260.634101]  ? trace_hardirqs_off_caller+0xbb/0x300
[  260.639121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.643963]  ? trace_hardirqs_off+0x300/0x300
[  260.648459]  ? trace_hardirqs_off+0x300/0x300
[  260.652957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.658499]  ? check_preemption_disabled+0x48/0x200
[  260.663514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.669060]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.673928]  apic_timer_interrupt+0xf/0x20
[  260.678154]  </IRQ>
[  260.680394] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  260.685324] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  260.704231] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  260.711941] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  260.719207] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  260.726474] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  260.733742] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  260.741010] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  260.748321]  skb_clone+0x1bb/0x500
[  260.751866]  ? finish_task_switch+0x2f5/0x900
[  260.756365]  ? skb_split+0x11e0/0x11e0
[  260.760255]  ? preempt_notifier_register+0x200/0x200
[  260.765359]  ? __switch_to_asm+0x34/0x70
[  260.769419]  ? __switch_to_asm+0x34/0x70
[  260.773483]  ? __switch_to_asm+0x40/0x70
[  260.777545]  ? __switch_to_asm+0x34/0x70
[  260.781607]  ? __switch_to_asm+0x40/0x70
[  260.785668]  ? __switch_to_asm+0x34/0x70
[  260.789727]  ? __switch_to_asm+0x40/0x70
[  260.793878]  ? __switch_to_asm+0x34/0x70
[  260.797937]  ? __switch_to_asm+0x34/0x70
[  260.801996]  ? __switch_to_asm+0x40/0x70
[  260.806056]  ? __switch_to_asm+0x34/0x70
[  260.810140]  bpf_clone_redirect+0xb9/0x490
[  260.814378]  ? __schedule+0x874/0x1ed0
[  260.818279]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  260.823298]  ? __sched_text_start+0x8/0x8
[  260.827447]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.832219]  ? find_held_lock+0x36/0x1c0
[  260.836286]  ? lock_acquire+0x1ed/0x520
[  260.840262]  ? bpf_test_run+0x32e/0x5a0
[  260.844240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.849777]  ? check_preemption_disabled+0x48/0x200
[  260.854800]  ? kasan_check_read+0x11/0x20
[  260.858981]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  260.864262]  ? rcu_bh_qs+0xc0/0xc0
[  260.867807]  ? preempt_schedule+0x4d/0x60
[  260.871958]  ? ___preempt_schedule+0x16/0x18
[  260.876374]  ? bpf_test_run+0x1c0/0x5a0
[  260.880364]  ? netlink_diag_dump+0x2a0/0x2a0
[  260.884777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.890312]  ? bpf_test_init.isra.9+0x70/0x100
[  260.894902]  ? bpf_prog_test_run_skb+0x634/0xb40
[  260.899670]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.904513]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.910051]  ? fput+0x130/0x1a0
[  260.913363]  ? __bpf_prog_get+0x9b/0x290
[  260.917426]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.922269]  ? bpf_prog_test_run+0x130/0x1a0
[  260.926682]  ? __x64_sys_bpf+0x3d8/0x510
[  260.930748]  ? bpf_prog_get+0x20/0x20
[  260.934573]  ? do_syscall_64+0x1b9/0x820
[  260.938636]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  260.944001]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.948930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.953776]  ? trace_hardirqs_off+0x300/0x300
[  260.958275]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  260.963297]  ? prepare_exit_to_usermode+0x291/0x3b0
[  260.968323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.973174]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  260.978557] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  260.978629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.985403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.985408] Call Trace:
[  260.985427]  dump_stack+0x1c4/0x2b4
[  260.985444]  ? dump_stack_print_info.cold.2+0x52/0x52
[  260.985470]  warn_alloc.cold.118+0xb7/0x1bd
[  260.992022] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.001290]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.003852] syz-executor4 cpuset=
[  261.007470]  ? lock_downgrade+0x900/0x900
[  261.012631] syz4
[  261.016948]  ? trace_hardirqs_off+0xb8/0x300
[  261.027404]  mems_allowed=0
[  261.032240]  ? trace_hardirqs_off+0xb8/0x300
[  261.053478]  __alloc_pages_slowpath+0x2667/0x2d80
[  261.058344]  ? lockdep_on+0x50/0x50
[  261.061981]  ? warn_alloc+0x120/0x120
[  261.065789]  ? warn_alloc+0x120/0x120
[  261.069597]  ? print_usage_bug+0xc0/0xc0
[  261.073658]  ? warn_alloc+0x120/0x120
[  261.077461]  ? print_usage_bug+0xc0/0xc0
[  261.081526]  ? __lock_acquire+0x7ec/0x4ec0
[  261.085759]  ? __lock_acquire+0x7ec/0x4ec0
[  261.089999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.095538]  ? should_fail+0x22d/0xd01
[  261.099436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.104627]  ? __lock_acquire+0x7ec/0x4ec0
[  261.108877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.113978]  ? __lock_acquire+0x7ec/0x4ec0
[  261.118212]  ? should_fail+0x22d/0xd01
[  261.122118]  ? mark_held_locks+0x130/0x130
[  261.126358]  ? mark_held_locks+0x130/0x130
[  261.130602]  ? graph_lock+0x170/0x170
[  261.134401]  ? graph_lock+0x170/0x170
[  261.138202]  ? graph_lock+0x170/0x170
[  261.142004]  ? print_usage_bug+0xc0/0xc0
[  261.146065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.151617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.157153]  ? check_preemption_disabled+0x48/0x200
[  261.162167]  ? check_preemption_disabled+0x48/0x200
[  261.167198]  ? __lock_is_held+0xb5/0x140
[  261.171273]  __alloc_pages_nodemask+0xa80/0xde0
[  261.175951]  ? graph_lock+0x170/0x170
[  261.179760]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  261.184783]  ? graph_lock+0x170/0x170
[  261.188609]  ? find_held_lock+0x36/0x1c0
[  261.192682]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.197354]  ? lock_downgrade+0x900/0x900
[  261.201511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.207058]  cache_grow_begin+0x91/0x8c0
[  261.211135]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.215552]  fallback_alloc+0x203/0x2e0
[  261.219560]  ____cache_alloc_node+0x1c7/0x1e0
[  261.224071]  kmem_cache_alloc_node+0xe3/0x730
[  261.228583]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.232836]  __alloc_skb+0x119/0x770
[  261.236555]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.241837]  ? skb_scrub_packet+0x490/0x490
[  261.246163]  ? lock_downgrade+0x900/0x900
[  261.250319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.255857]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.261316]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.266771]  ? addrconf_rs_timer+0x6f0/0x6f0
[  261.271195]  ndisc_alloc_skb+0x144/0x340
[  261.275262]  ndisc_send_rs+0x331/0x6e0
[  261.279161]  addrconf_rs_timer+0x3c0/0x6f0
[  261.283405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.287656]  call_timer_fn+0x272/0x920
[  261.291549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.295788]  ? process_timeout+0x40/0x40
[  261.299847]  ? find_held_lock+0x36/0x1c0
[  261.303919]  ? __run_timers+0x7da/0xc70
[  261.307904]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.312397]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.316893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.321134]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  261.325717]  ? trace_hardirqs_on+0xbd/0x310
[  261.330035]  ? kasan_check_read+0x11/0x20
[  261.334187]  ? __run_timers+0x7da/0xc70
[  261.338166]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.343628]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.347869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.352109]  __run_timers+0x7e5/0xc70
[  261.355936]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  261.361299]  ? compat_start_thread+0x80/0x80
[  261.365712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.371257]  ? kasan_check_write+0x14/0x20
[  261.375497]  ? finish_task_switch+0x2f5/0x900
[  261.379997]  ? __switch_to_asm+0x40/0x70
[  261.384065]  ? preempt_notifier_register+0x200/0x200
[  261.389178]  ? __switch_to_asm+0x34/0x70
[  261.393239]  ? __switch_to_asm+0x40/0x70
[  261.397296]  ? __switch_to_asm+0x34/0x70
[  261.401356]  ? __switch_to_asm+0x40/0x70
[  261.405418]  ? __switch_to_asm+0x34/0x70
[  261.409475]  ? __switch_to_asm+0x40/0x70
[  261.413546]  ? pvclock_read_flags+0x160/0x160
[  261.418045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.423599]  ? check_preemption_disabled+0x48/0x200
[  261.428634]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  261.434176]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.439457]  ? rcu_pm_notify+0xc0/0xc0
[  261.443347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.448885]  ? check_preemption_disabled+0x48/0x200
[  261.453910]  run_timer_softirq+0x52/0xb0
[  261.457974]  ? rcu_read_lock_sched_held+0x108/0x120
[  261.462994]  __do_softirq+0x30b/0xad8
[  261.466809]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  261.471922]  ? schedule+0x108/0x460
[  261.475786]  ? __schedule+0x1ed0/0x1ed0
[  261.479827]  ? trace_hardirqs_off+0xb8/0x300
[  261.484242]  ? ___might_sleep+0x1ed/0x300
[  261.488388]  ? smpboot_thread_fn+0x68b/0xa00
[  261.492795]  ? trace_hardirqs_on+0x310/0x310
[  261.497206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.502746]  ? check_preemption_disabled+0x48/0x200
[  261.507761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.513305]  ? takeover_tasklets+0xa90/0xa90
[  261.517718]  run_ksoftirqd+0x94/0x100
[  261.521524]  smpboot_thread_fn+0x68b/0xa00
[  261.525763]  ? sort_range+0x30/0x30
[  261.529394]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.534499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.540037]  ? __kthread_parkme+0xfb/0x1a0
[  261.544375]  kthread+0x35a/0x420
[  261.547742]  ? sort_range+0x30/0x30
[  261.551371]  ? kthread_bind+0x40/0x40
[  261.555184]  ret_from_fork+0x3a/0x50
[  261.558919] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  261.558925] warn_alloc_show_mem: 1 callbacks suppressed
[  261.558932] Mem-Info:
[  261.566121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.571489] active_anon:44072 inactive_anon:951 isolated_anon:0
[  261.571489]  active_file:15 inactive_file:18 isolated_file:0
[  261.571489]  unevictable:0 dirty:0 writeback:0 unstable:0
[  261.571489]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  261.571489]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  261.571489]  free:13779 free_pcp:230 free_cma:0
[  261.573861] Call Trace:
[  261.583252] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  261.617152]  <IRQ>
[  261.619727] Node 0 
[  261.647494]  dump_stack+0x1c4/0x2b4
[  261.649647] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  261.651856]  ? dump_stack_print_info.cold.2+0x52/0x52
[  261.655456] lowmem_reserve[]:
[  261.680972]  warn_alloc.cold.118+0xb7/0x1bd
[  261.686137]  0
[  261.689234]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.693527]  2815
[  261.695330]  ? lock_downgrade+0x900/0x900
[  261.700144]  6318
[  261.702205]  ? trace_hardirqs_off+0xb8/0x300
[  261.706322]  6318
[  261.708382]  ? trace_hardirqs_off+0xb8/0x300
[  261.714819]  __alloc_pages_slowpath+0x2667/0x2d80
[  261.719197] Node 0 DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  261.724062]  ? warn_alloc+0x120/0x120
[  261.724094]  ? trace_hardirqs_on+0x310/0x310
[  261.751571] lowmem_reserve[]:
[  261.755373]  ? warn_alloc+0x120/0x120
[  261.759781]  0
[  261.762881]  ? print_usage_bug+0xc0/0xc0
[  261.766658]  0
[  261.768453]  ? warn_alloc+0x120/0x120
[  261.772489]  3503
[  261.774289]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  261.778065]  3503
[  261.780134]  ? print_usage_bug+0xc0/0xc0
[  261.787182]  ? __lock_acquire+0x7ec/0x4ec0
[  261.791220] Node 0 
[  261.795443]  ? __lock_acquire+0x7ec/0x4ec0
[  261.795479] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  261.797685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.801891] lowmem_reserve[]:
[  261.830256]  ? should_fail+0x22d/0xd01
[  261.835766]  0
[  261.838865]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.842722]  0
[  261.844520]  ? __lock_acquire+0x7ec/0x4ec0
[  261.849593]  0
[  261.851389]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.855599]  0
[  261.857396]  ? __lock_acquire+0x7ec/0x4ec0
[  261.864267]  ? should_fail+0x22d/0xd01
[  261.868476] Node 0 
[  261.872347]  ? print_usage_bug+0xc0/0xc0
[  261.872357] DMA: 
[  261.874593]  ? mark_held_locks+0x130/0x130
[  261.878626] 1*4kB 
[  261.880679]  ? mark_held_locks+0x130/0x130
[  261.884888] (U) 
[  261.887033]  ? graph_lock+0x170/0x170
[  261.891242] 0*8kB 
[  261.893207]  ? print_usage_bug+0xc0/0xc0
[  261.896983] 0*16kB 
[  261.899129]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  261.903162] 1*32kB 
[  261.905397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.910126] (U) 
[  261.912355]  ? check_preemption_disabled+0x48/0x200
[  261.917863] 2*64kB 
[  261.919834]  ? check_preemption_disabled+0x48/0x200
[  261.924823] (U) 
[  261.927062]  ? __lock_is_held+0xb5/0x140
[  261.932050] 1*128kB 
[  261.934021]  __alloc_pages_nodemask+0xa80/0xde0
[  261.938055] (U) 
[  261.940383]  ? graph_lock+0x170/0x170
[  261.945029] 1*256kB 
[  261.946998]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  261.950770] (U) 
[  261.953098]  ? graph_lock+0x170/0x170
[  261.958096] 0*512kB 
[  261.960082]  ? find_held_lock+0x36/0x1c0
[  261.963849] 1*1024kB 
[  261.966173]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.970200] (U) 
[  261.972609]  ? lock_downgrade+0x900/0x900
[  261.977251] 1*2048kB 
[  261.979222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.983340] (M) 
[  261.985744]  cache_grow_begin+0x91/0x8c0
[  261.991250] 3*4096kB (M) 
[  261.993227]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.997259] = 15908kB
[  262.000012]  fallback_alloc+0x203/0x2e0
[  262.004390] Node 0 
[  262.006815]  ____cache_alloc_node+0x1c7/0x1e0
[  262.010763] DMA32: 
[  262.012999]  kmem_cache_alloc_node+0xe3/0x730
[  262.017464] 1*4kB 
[  262.019696]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.024162] (M) 
[  262.026310]  __alloc_skb+0x119/0x770
[  262.030512] 3*8kB 
[  262.033006]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.036692] (UM) 
[  262.038838]  ? skb_scrub_packet+0x490/0x490
[  262.044099] 0*16kB 
[  262.046157]  ? lock_downgrade+0x900/0x900
[  262.050455] 3*32kB 
[  262.052689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.056805] (UM) 
[  262.059039]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.064548] 2*64kB 
[  262.066609]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.072032] (M) 
[  262.074272]  ? addrconf_rs_timer+0x6f0/0x6f0
[  262.079700] 5*128kB 
[  262.081679]  ndisc_alloc_skb+0x144/0x340
[  262.086054] (UM) 
[  262.088378]  ndisc_send_rs+0x331/0x6e0
[  262.092412] 3*256kB 
[  262.094472]  addrconf_rs_timer+0x3c0/0x6f0
[  262.098334] (M) 
[  262.100653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.104862] 4*512kB 
[  262.106839]  call_timer_fn+0x272/0x920
[  262.111045] (M) 
[  262.113365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.117226] 3*1024kB 
[  262.119195]  ? process_timeout+0x40/0x40
[  262.123396] (UM) 3*2048kB 
[  262.125811]  ? find_held_lock+0x36/0x1c0
[  262.129843] (M) 3*4096kB 
[  262.132697]  ? __run_timers+0x7da/0xc70
[  262.136725] (M) 
[  262.139481]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.143420] = 25212kB
[  262.143429] Node 0 
[  262.145402]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.149889] Normal: 
[  262.152297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.154510] 887*4kB 
[  262.158999]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  262.161317] (UME) 
[  262.165546]  ? trace_hardirqs_on+0xbd/0x310
[  262.167846] 378*8kB 
[  262.172417]  ? kasan_check_read+0x11/0x20
[  262.174541] (UMEH) 
[  262.178858]  ? __run_timers+0x7da/0xc70
[  262.181154] 172*16kB 
[  262.185378]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.187582] (UMEH) 106*32kB 
[  262.191563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.193948] (UMEH) 
[  262.199392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.202382] 16*64kB 
[  262.206610]  __run_timers+0x7e5/0xc70
[  262.208823] (UMH) 
[  262.213060]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  262.215344] 0*128kB 1*256kB 
[  262.219148]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.221272] (H) 
[  262.226628]  ? graph_lock+0x170/0x170
[  262.229619] 0*512kB 
[  262.234629]  ? enqueue_hrtimer+0x1a5/0x560
[  262.236582] 0*1024kB 
[  262.240377]  ? lock_release+0x970/0x970
[  262.242679] 0*2048kB 
[  262.246904]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  262.249292] 0*4096kB 
[  262.253260]  ? find_held_lock+0x36/0x1c0
[  262.255646] = 13996kB
[  262.260827]  ? graph_lock+0x170/0x170
[  262.263224] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  262.267271]  ? pvclock_read_flags+0x160/0x160
[  262.269660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  262.273448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.282257] 4508 total pagecache pages
[  262.286745]  ? check_preemption_disabled+0x48/0x200
[  262.295302] 0 pages in swap cache
[  262.300836]  ? __lock_is_held+0xb5/0x140
[  262.304692] Swap cache stats: add 0, delete 0, find 0/0
[  262.309699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.313122] Free swap  = 0kB
[  262.317172]  ? check_preemption_disabled+0x48/0x200
[  262.322511] Total swap = 0kB
[  262.328052]  run_timer_softirq+0x52/0xb0
[  262.331040] 1965979 pages RAM
[  262.336049]  ? rcu_read_lock_sched_held+0x108/0x120
[  262.339034] 0 pages HighMem/MovableOnly
[  262.339043] 343323 pages reserved
[  262.343112]  __do_softirq+0x30b/0xad8
[  262.346192] 0 pages cma reserved
[  262.351206]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  262.355216] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.358588]  ? pvclock_read_flags+0x160/0x160
[  262.362453] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.365725]  ? lapic_next_event+0x5a/0x90
[  262.370808] ksoftirqd/1 cpuset=
[  262.377300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.381762] /
[  262.392069]  ? check_preemption_disabled+0x48/0x200
[  262.396204]  mems_allowed=0
[  262.399471]  ? check_preemption_disabled+0x48/0x200
[  262.419608]  ? kvm_clock_read+0x18/0x30
[  262.423582]  ? kvm_sched_clock_read+0x9/0x20
[  262.427996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.433534]  ? check_preemption_disabled+0x48/0x200
[  262.438565]  irq_exit+0x17f/0x1c0
[  262.442023]  smp_apic_timer_interrupt+0x1cb/0x760
[  262.446866]  ? smp_reschedule_interrupt+0x109/0x650
[  262.451885]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.457770]  ? interrupt_entry+0xb5/0xf0
[  262.461834]  ? trace_hardirqs_off_caller+0xbb/0x300
[  262.466847]  ? trace_hardirqs_off_caller+0xbb/0x300
[  262.471866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.477217]  ? trace_hardirqs_off+0x300/0x300
[  262.481708]  ? trace_hardirqs_off+0x300/0x300
[  262.486204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.491743]  ? check_preemption_disabled+0x48/0x200
[  262.496758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.502301]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.507153]  apic_timer_interrupt+0xf/0x20
[  262.511382]  </IRQ>
[  262.513630] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  262.518562] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  262.537462] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  262.545176] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  262.552444] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  262.559714] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  262.566978] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  262.574245] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  262.581558]  skb_clone+0x1bb/0x500
[  262.585117]  ? finish_task_switch+0x2f5/0x900
[  262.589619]  ? skb_split+0x11e0/0x11e0
[  262.593513]  ? preempt_notifier_register+0x200/0x200
[  262.598619]  ? __switch_to_asm+0x34/0x70
[  262.602679]  ? __switch_to_asm+0x34/0x70
[  262.606935]  ? __switch_to_asm+0x40/0x70
[  262.610993]  ? __switch_to_asm+0x34/0x70
[  262.615050]  ? __switch_to_asm+0x40/0x70
[  262.619121]  ? __switch_to_asm+0x34/0x70
[  262.623178]  ? __switch_to_asm+0x40/0x70
[  262.627236]  ? __switch_to_asm+0x34/0x70
[  262.631297]  ? __switch_to_asm+0x34/0x70
[  262.635357]  ? __switch_to_asm+0x40/0x70
[  262.639413]  ? __switch_to_asm+0x34/0x70
[  262.643485]  bpf_clone_redirect+0xb9/0x490
[  262.647736]  ? __schedule+0x874/0x1ed0
[  262.651632]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  262.656652]  ? __sched_text_start+0x8/0x8
[  262.660811]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  262.665579]  ? find_held_lock+0x36/0x1c0
[  262.669649]  ? lock_acquire+0x1ed/0x520
[  262.673624]  ? bpf_test_run+0x32e/0x5a0
[  262.677612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.683176]  ? check_preemption_disabled+0x48/0x200
[  262.688200]  ? kasan_check_read+0x11/0x20
[  262.692354]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.697632]  ? rcu_bh_qs+0xc0/0xc0
[  262.701179]  ? preempt_schedule+0x4d/0x60
[  262.705330]  ? ___preempt_schedule+0x16/0x18
[  262.709750]  ? bpf_test_run+0x1c0/0x5a0
[  262.713735]  ? netlink_diag_dump+0x2a0/0x2a0
[  262.718157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.723694]  ? bpf_test_init.isra.9+0x70/0x100
[  262.728285]  ? bpf_prog_test_run_skb+0x634/0xb40
[  262.733052]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  262.737911]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  262.743448]  ? fput+0x130/0x1a0
[  262.746731]  ? __bpf_prog_get+0x9b/0x290
[  262.750795]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  262.755635]  ? bpf_prog_test_run+0x130/0x1a0
[  262.760046]  ? __x64_sys_bpf+0x3d8/0x510
[  262.764117]  ? bpf_prog_get+0x20/0x20
[  262.767938]  ? do_syscall_64+0x1b9/0x820
[  262.772004]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  262.777371]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.782302]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.787145]  ? trace_hardirqs_off+0x300/0x300
[  262.791640]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  262.796663]  ? prepare_exit_to_usermode+0x291/0x3b0
[  262.801690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.806543]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  262.811926] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  262.811997] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.818772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.818781] Call Trace:
[  262.825343] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.834609]  dump_stack+0x1c4/0x2b4
[  262.837173] syz-executor4 cpuset=
[  262.847649]  ? dump_stack_print_info.cold.2+0x52/0x52
[  262.851250] syz4
[  262.854705]  warn_alloc.cold.118+0xb7/0x1bd
[  262.859860]  mems_allowed=0
[  262.861829]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.873907]  ? lock_downgrade+0x900/0x900
[  262.878064]  ? trace_hardirqs_off+0xb8/0x300
[  262.882493]  ? trace_hardirqs_off+0xb8/0x300
[  262.886913]  __alloc_pages_slowpath+0x2667/0x2d80
[  262.891776]  ? lockdep_on+0x50/0x50
[  262.895444]  ? warn_alloc+0x120/0x120
[  262.899282]  ? warn_alloc+0x120/0x120
[  262.903093]  ? print_usage_bug+0xc0/0xc0
[  262.907166]  ? warn_alloc+0x120/0x120
[  262.910967]  ? print_usage_bug+0xc0/0xc0
[  262.915033]  ? __lock_acquire+0x7ec/0x4ec0
[  262.919269]  ? __lock_acquire+0x7ec/0x4ec0
[  262.923510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.929051]  ? should_fail+0x22d/0xd01
[  262.933041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.938144]  ? __lock_acquire+0x7ec/0x4ec0
[  262.942384]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.947485]  ? __lock_acquire+0x7ec/0x4ec0
[  262.951717]  ? should_fail+0x22d/0xd01
[  262.955608]  ? print_usage_bug+0xc0/0xc0
[  262.959680]  ? mark_held_locks+0x130/0x130
[  262.963919]  ? mark_held_locks+0x130/0x130
[  262.968170]  ? graph_lock+0x170/0x170
[  262.971973]  ? print_usage_bug+0xc0/0xc0
[  262.976039]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  262.980795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.986329]  ? check_preemption_disabled+0x48/0x200
[  262.991344]  ? check_preemption_disabled+0x48/0x200
[  262.996370]  ? __lock_is_held+0xb5/0x140
[  263.000437]  __alloc_pages_nodemask+0xa80/0xde0
[  263.005114]  ? graph_lock+0x170/0x170
[  263.008922]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  263.013939]  ? graph_lock+0x170/0x170
[  263.017757]  ? find_held_lock+0x36/0x1c0
[  263.021831]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.026504]  ? lock_downgrade+0x900/0x900
[  263.030660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.036206]  cache_grow_begin+0x91/0x8c0
[  263.040274]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.044693]  fallback_alloc+0x203/0x2e0
[  263.048677]  ____cache_alloc_node+0x1c7/0x1e0
[  263.053184]  kmem_cache_alloc_node+0xe3/0x730
[  263.057680]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.061924]  __alloc_skb+0x119/0x770
[  263.065642]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.070922]  ? skb_scrub_packet+0x490/0x490
[  263.075246]  ? lock_downgrade+0x900/0x900
[  263.079407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.084950]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.090408]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.095861]  ? addrconf_rs_timer+0x6f0/0x6f0
[  263.100288]  ndisc_alloc_skb+0x144/0x340
[  263.104372]  ndisc_send_rs+0x331/0x6e0
[  263.108267]  addrconf_rs_timer+0x3c0/0x6f0
[  263.112510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.116760]  call_timer_fn+0x272/0x920
[  263.120650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.124886]  ? process_timeout+0x40/0x40
[  263.128944]  ? find_held_lock+0x36/0x1c0
[  263.133016]  ? __run_timers+0x7da/0xc70
[  263.136998]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.141496]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.145990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.150223]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  263.154807]  ? trace_hardirqs_on+0xbd/0x310
[  263.159126]  ? kasan_check_read+0x11/0x20
[  263.163281]  ? __run_timers+0x7da/0xc70
[  263.167265]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.172722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.176965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.181203]  __run_timers+0x7e5/0xc70
[  263.185022]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  263.190382]  ? compat_start_thread+0x80/0x80
[  263.194793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.200338]  ? kasan_check_write+0x14/0x20
[  263.204578]  ? finish_task_switch+0x2f5/0x900
[  263.209087]  ? __switch_to_asm+0x40/0x70
[  263.213155]  ? preempt_notifier_register+0x200/0x200
[  263.218260]  ? __switch_to_asm+0x34/0x70
[  263.222318]  ? __switch_to_asm+0x40/0x70
[  263.226375]  ? __switch_to_asm+0x34/0x70
[  263.230437]  ? __switch_to_asm+0x40/0x70
[  263.234511]  ? __switch_to_asm+0x34/0x70
[  263.238575]  ? __switch_to_asm+0x40/0x70
[  263.242654]  ? pvclock_read_flags+0x160/0x160
[  263.247158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.252694]  ? check_preemption_disabled+0x48/0x200
[  263.257745]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  263.263295]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.268582]  ? rcu_pm_notify+0xc0/0xc0
[  263.272480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.278021]  ? check_preemption_disabled+0x48/0x200
[  263.283051]  run_timer_softirq+0x52/0xb0
[  263.287126]  ? rcu_read_lock_sched_held+0x108/0x120
[  263.292157]  __do_softirq+0x30b/0xad8
[  263.295975]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  263.301095]  ? schedule+0x108/0x460
[  263.304732]  ? __schedule+0x1ed0/0x1ed0
[  263.308715]  ? trace_hardirqs_off+0xb8/0x300
[  263.313128]  ? ___might_sleep+0x1ed/0x300
[  263.317277]  ? smpboot_thread_fn+0x68b/0xa00
[  263.321685]  ? trace_hardirqs_on+0x310/0x310
[  263.326103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.331642]  ? check_preemption_disabled+0x48/0x200
[  263.336656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.342196]  ? takeover_tasklets+0xa90/0xa90
[  263.346615]  run_ksoftirqd+0x94/0x100
[  263.350415]  smpboot_thread_fn+0x68b/0xa00
[  263.354654]  ? sort_range+0x30/0x30
[  263.358287]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.363390]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.368930]  ? __kthread_parkme+0xfb/0x1a0
[  263.373170]  kthread+0x35a/0x420
[  263.376599]  ? sort_range+0x30/0x30
[  263.380231]  ? kthread_bind+0x40/0x40
[  263.384034]  ret_from_fork+0x3a/0x50
[  263.387761] warn_alloc_show_mem: 1 callbacks suppressed
[  263.387773] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  263.387775] Mem-Info:
[  263.387806] active_anon:44072 inactive_anon:951 isolated_anon:0
[  263.387806]  active_file:15 inactive_file:18 isolated_file:0
[  263.387806]  unevictable:0 dirty:0 writeback:0 unstable:0
[  263.387806]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  263.387806]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  263.387806]  free:13779 free_pcp:230 free_cma:0
[  263.393142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.400334] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  263.402729] Call Trace:
[  263.435684] Node 0 
[  263.445027]  <IRQ>
[  263.472871] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  263.472874] lowmem_reserve[]: 0 2815 6318 6318
[  263.472890] Node 0 DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  263.472910] lowmem_reserve[]: 0 0 3503 3503
[  263.472923] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  263.472943] lowmem_reserve[]: 0 0 0 0
[  263.472957] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  263.473015] Node 0 DMA32: 1*4kB (M) 3*8kB (UM) 0*16kB 3*32kB (UM) 2*64kB (M) 5*128kB (UM) 3*256kB (M) 4*512kB (M) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25212kB
[  263.473098] Node 0 Normal: 887*4kB (UME) 
[  263.475703]  dump_stack+0x1c4/0x2b4
[  263.477920] 378*8kB 
[  263.480063]  ? dump_stack_print_info.cold.2+0x52/0x52
[  263.505554] (UMEH) 
[  263.510155]  warn_alloc.cold.118+0xb7/0x1bd
[  263.537632] 172*16kB 
[  263.541957]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.570903] (UMEH) 
[  263.574704]  ? lock_downgrade+0x900/0x900
[  263.588201] 106*32kB 
[  263.602934]  ? trace_hardirqs_off+0xb8/0x300
[  263.607052] (UMEH) 
[  263.610685]  ? trace_hardirqs_off+0xb8/0x300
[  263.612981] 16*64kB 
[  263.618171]  __alloc_pages_slowpath+0x2667/0x2d80
[  263.620377] (UMH) 
[  263.624715]  ? warn_alloc+0x120/0x120
[  263.627074] 0*128kB 
[  263.631917]  ? trace_hardirqs_on+0x310/0x310
[  263.634130] 1*256kB 
[  263.638270]  ? warn_alloc+0x120/0x120
[  263.640660] (H) 
[  263.645063]  ? print_usage_bug+0xc0/0xc0
[  263.647281] 0*512kB 
[  263.651683]  ? warn_alloc+0x120/0x120
[  263.653981] 0*1024kB 
[  263.658816]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  263.660937] 0*2048kB 
[  263.664731]  ? print_usage_bug+0xc0/0xc0
[  263.667035] 0*4096kB 
[  263.671432]  ? __lock_acquire+0x7ec/0x4ec0
[  263.673734] = 13996kB
[  263.677530]  ? __lock_acquire+0x7ec/0x4ec0
[  263.679488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  263.683538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.685845] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  263.689636]  ? should_fail+0x22d/0xd01
[  263.692019] 4508 total pagecache pages
[  263.697025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.699418] 0 pages in swap cache
[  263.703468]  ? __lock_acquire+0x7ec/0x4ec0
[  263.705856] Swap cache stats: add 0, delete 0, find 0/0
[  263.710108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.712487] Free swap  = 0kB
[  263.716715]  ? __lock_acquire+0x7ec/0x4ec0
[  263.725524] Total swap = 0kB
[  263.731054]  ? should_fail+0x22d/0xd01
[  263.739609] 1965979 pages RAM
[  263.743490]  ? print_usage_bug+0xc0/0xc0
[  263.747349] 0 pages HighMem/MovableOnly
[  263.752454]  ? mark_held_locks+0x130/0x130
[  263.755873] 343323 pages reserved
[  263.760111]  ? mark_held_locks+0x130/0x130
[  263.765462] 0 pages cma reserved
[  263.770568]  ? graph_lock+0x170/0x170
[  263.773668] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.777782]  ? print_usage_bug+0xc0/0xc0
[  263.781046] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.784669]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.787751] ksoftirqd/1 cpuset=
[  263.791805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.795754] /
[  263.799983]  ? check_preemption_disabled+0x48/0x200
[  263.803416]  mems_allowed=0
[  263.807642]  ? check_preemption_disabled+0x48/0x200
[  263.863737]  ? __lock_is_held+0xb5/0x140
[  263.867810]  __alloc_pages_nodemask+0xa80/0xde0
[  263.872483]  ? graph_lock+0x170/0x170
[  263.876292]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  263.881308]  ? graph_lock+0x170/0x170
[  263.885137]  ? find_held_lock+0x36/0x1c0
[  263.889210]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.893879]  ? lock_downgrade+0x900/0x900
[  263.898034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.903577]  cache_grow_begin+0x91/0x8c0
[  263.907649]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.912066]  fallback_alloc+0x203/0x2e0
[  263.916062]  ____cache_alloc_node+0x1c7/0x1e0
[  263.920578]  kmem_cache_alloc_node+0xe3/0x730
[  263.925092]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.929339]  __alloc_skb+0x119/0x770
[  263.933054]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.938351]  ? skb_scrub_packet+0x490/0x490
[  263.942672]  ? lock_downgrade+0x900/0x900
[  263.946828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.952369]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.957824]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.963279]  ? addrconf_rs_timer+0x6f0/0x6f0
[  263.967703]  ndisc_alloc_skb+0x144/0x340
[  263.971773]  ndisc_send_rs+0x331/0x6e0
[  263.975674]  addrconf_rs_timer+0x3c0/0x6f0
[  263.979920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.984173]  call_timer_fn+0x272/0x920
[  263.988060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.992312]  ? process_timeout+0x40/0x40
[  263.996370]  ? find_held_lock+0x36/0x1c0
[  264.000443]  ? __run_timers+0x7da/0xc70
[  264.004420]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.008917]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.013411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.017646]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  264.022231]  ? trace_hardirqs_on+0xbd/0x310
[  264.026550]  ? kasan_check_read+0x11/0x20
[  264.030698]  ? __run_timers+0x7da/0xc70
[  264.034673]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.040128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.044373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.048611]  __run_timers+0x7e5/0xc70
[  264.052426]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  264.057790]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  264.062806]  ? graph_lock+0x170/0x170
[  264.066611]  ? enqueue_hrtimer+0x1a5/0x560
[  264.070845]  ? lock_release+0x970/0x970
[  264.074822]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  264.080021]  ? find_held_lock+0x36/0x1c0
[  264.084104]  ? graph_lock+0x170/0x170
[  264.087910]  ? pvclock_read_flags+0x160/0x160
[  264.092404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.097946]  ? check_preemption_disabled+0x48/0x200
[  264.102975]  ? __lock_is_held+0xb5/0x140
[  264.107039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.112588]  ? check_preemption_disabled+0x48/0x200
[  264.117708]  run_timer_softirq+0x52/0xb0
[  264.121775]  ? rcu_read_lock_sched_held+0x108/0x120
[  264.126796]  __do_softirq+0x30b/0xad8
[  264.130611]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  264.135724]  ? pvclock_read_flags+0x160/0x160
[  264.140219]  ? lapic_next_event+0x5a/0x90
[  264.144369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.149905]  ? check_preemption_disabled+0x48/0x200
[  264.154917]  ? check_preemption_disabled+0x48/0x200
[  264.159938]  ? kvm_clock_read+0x18/0x30
[  264.163912]  ? kvm_sched_clock_read+0x9/0x20
[  264.168327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.173864]  ? check_preemption_disabled+0x48/0x200
[  264.178895]  irq_exit+0x17f/0x1c0
[  264.182355]  smp_apic_timer_interrupt+0x1cb/0x760
[  264.187197]  ? smp_reschedule_interrupt+0x109/0x650
[  264.192215]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.198111]  ? interrupt_entry+0xb5/0xf0
[  264.202179]  ? trace_hardirqs_off_caller+0xbb/0x300
[  264.207194]  ? trace_hardirqs_off_caller+0xbb/0x300
[  264.212215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.217056]  ? trace_hardirqs_off+0x300/0x300
[  264.221560]  ? trace_hardirqs_off+0x300/0x300
[  264.226055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.231604]  ? check_preemption_disabled+0x48/0x200
[  264.236620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.242165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.247022]  apic_timer_interrupt+0xf/0x20
[  264.251251]  </IRQ>
[  264.253495] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  264.258427] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  264.277329] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  264.285065] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  264.292340] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  264.299606] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  264.306874] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  264.314150] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  264.321466]  skb_clone+0x1bb/0x500
[  264.325008]  ? finish_task_switch+0x2f5/0x900
[  264.329503]  ? skb_split+0x11e0/0x11e0
[  264.333395]  ? preempt_notifier_register+0x200/0x200
[  264.338498]  ? __switch_to_asm+0x34/0x70
[  264.342557]  ? __switch_to_asm+0x34/0x70
[  264.346629]  ? __switch_to_asm+0x40/0x70
[  264.350690]  ? __switch_to_asm+0x34/0x70
[  264.354749]  ? __switch_to_asm+0x40/0x70
[  264.358811]  ? __switch_to_asm+0x34/0x70
[  264.362869]  ? __switch_to_asm+0x40/0x70
[  264.366928]  ? __switch_to_asm+0x34/0x70
[  264.370990]  ? __switch_to_asm+0x34/0x70
[  264.375048]  ? __switch_to_asm+0x40/0x70
[  264.379122]  ? __switch_to_asm+0x34/0x70
[  264.383189]  bpf_clone_redirect+0xb9/0x490
[  264.387429]  ? __schedule+0x874/0x1ed0
[  264.391325]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  264.396349]  ? __sched_text_start+0x8/0x8
[  264.400505]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  264.405286]  ? find_held_lock+0x36/0x1c0
[  264.409617]  ? lock_acquire+0x1ed/0x520
[  264.413592]  ? bpf_test_run+0x32e/0x5a0
[  264.417571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.423120]  ? check_preemption_disabled+0x48/0x200
[  264.428140]  ? kasan_check_read+0x11/0x20
[  264.432293]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.437571]  ? rcu_bh_qs+0xc0/0xc0
[  264.441122]  ? preempt_schedule+0x4d/0x60
[  264.445271]  ? ___preempt_schedule+0x16/0x18
[  264.449688]  ? bpf_test_run+0x1c0/0x5a0
[  264.453672]  ? netlink_diag_dump+0x2a0/0x2a0
[  264.458102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.463641]  ? bpf_test_init.isra.9+0x70/0x100
[  264.468226]  ? bpf_prog_test_run_skb+0x634/0xb40
[  264.472992]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  264.477833]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  264.483369]  ? fput+0x130/0x1a0
[  264.486652]  ? __bpf_prog_get+0x9b/0x290
[  264.490716]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  264.495555]  ? bpf_prog_test_run+0x130/0x1a0
[  264.499969]  ? __x64_sys_bpf+0x3d8/0x510
[  264.504030]  ? bpf_prog_get+0x20/0x20
[  264.507882]  ? do_syscall_64+0x1b9/0x820
[  264.511951]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  264.517320]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.522248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.527107]  ? trace_hardirqs_off+0x300/0x300
[  264.531604]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  264.536627]  ? prepare_exit_to_usermode+0x291/0x3b0
[  264.541652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.546506]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  264.551917] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  264.551995] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.558754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.558763] Call Trace:
[  264.565333] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.574602]  dump_stack+0x1c4/0x2b4
[  264.577163] syz-executor4 cpuset=
[  264.587640]  ? dump_stack_print_info.cold.2+0x52/0x52
[  264.591246] syz4
[  264.594705]  warn_alloc.cold.118+0xb7/0x1bd
[  264.599866]  mems_allowed=0
[  264.601834]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.614088]  ? lock_downgrade+0x900/0x900
[  264.618338]  ? trace_hardirqs_off+0xb8/0x300
[  264.622753]  ? trace_hardirqs_off+0xb8/0x300
[  264.627175]  __alloc_pages_slowpath+0x2667/0x2d80
[  264.632050]  ? warn_alloc+0x120/0x120
[  264.635870]  ? warn_alloc+0x120/0x120
[  264.639673]  ? print_usage_bug+0xc0/0xc0
[  264.643739]  ? warn_alloc+0x120/0x120
[  264.647543]  ? print_usage_bug+0xc0/0xc0
[  264.651615]  ? __lock_acquire+0x7ec/0x4ec0
[  264.655848]  ? __lock_acquire+0x7ec/0x4ec0
[  264.660094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.665634]  ? should_fail+0x22d/0xd01
[  264.669524]  ? __lock_acquire+0x7ec/0x4ec0
[  264.673764]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.678866]  ? __lock_acquire+0x7ec/0x4ec0
[  264.683115]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.688217]  ? __lock_acquire+0x7ec/0x4ec0
[  264.692453]  ? should_fail+0x22d/0xd01
[  264.696357]  ? mark_held_locks+0x130/0x130
[  264.700601]  ? mark_held_locks+0x130/0x130
[  264.704848]  ? graph_lock+0x170/0x170
[  264.708650]  ? print_usage_bug+0xc0/0xc0
[  264.712715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.718255]  ? check_preemption_disabled+0x48/0x200
[  264.723270]  ? check_preemption_disabled+0x48/0x200
[  264.728301]  ? __lock_is_held+0xb5/0x140
[  264.732378]  __alloc_pages_nodemask+0xa80/0xde0
[  264.737050]  ? graph_lock+0x170/0x170
[  264.740868]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  264.745884]  ? graph_lock+0x170/0x170
[  264.749697]  ? find_held_lock+0x36/0x1c0
[  264.753770]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.758439]  ? lock_downgrade+0x900/0x900
[  264.762602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.768148]  cache_grow_begin+0x91/0x8c0
[  264.772218]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.776636]  fallback_alloc+0x203/0x2e0
[  264.780625]  ____cache_alloc_node+0x1c7/0x1e0
[  264.785137]  kmem_cache_alloc_node+0xe3/0x730
[  264.789636]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.793882]  __alloc_skb+0x119/0x770
[  264.797605]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.802890]  ? skb_scrub_packet+0x490/0x490
[  264.807211]  ? lock_downgrade+0x900/0x900
[  264.811370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.816914]  ? refcount_sub_and_test_checked+0x203/0x310
[  264.822368]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.827829]  ? addrconf_rs_timer+0x6f0/0x6f0
[  264.832251]  ndisc_alloc_skb+0x144/0x340
[  264.836318]  ndisc_send_rs+0x331/0x6e0
[  264.840217]  addrconf_rs_timer+0x3c0/0x6f0
[  264.844472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.848731]  call_timer_fn+0x272/0x920
[  264.852624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.856892]  ? process_timeout+0x40/0x40
[  264.860952]  ? find_held_lock+0x36/0x1c0
[  264.865025]  ? __run_timers+0x7da/0xc70
[  264.869005]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.873503]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.878005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.882246]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  264.886838]  ? trace_hardirqs_on+0xbd/0x310
[  264.891161]  ? kasan_check_read+0x11/0x20
[  264.895310]  ? __run_timers+0x7da/0xc70
[  264.899290]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.904758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.908993]  __run_timers+0x7e5/0xc70
[  264.912811]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  264.918174]  ? compat_start_thread+0x80/0x80
[  264.922593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.928140]  ? kasan_check_write+0x14/0x20
[  264.932379]  ? finish_task_switch+0x2f5/0x900
[  264.936874]  ? __switch_to_asm+0x40/0x70
[  264.940939]  ? preempt_notifier_register+0x200/0x200
[  264.946042]  ? __switch_to_asm+0x34/0x70
[  264.950123]  ? __switch_to_asm+0x40/0x70
[  264.954184]  ? __switch_to_asm+0x34/0x70
[  264.958245]  ? __switch_to_asm+0x40/0x70
[  264.962308]  ? __switch_to_asm+0x34/0x70
[  264.966375]  ? __switch_to_asm+0x40/0x70
[  264.970447]  ? pvclock_read_flags+0x160/0x160
[  264.974943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.980482]  ? check_preemption_disabled+0x48/0x200
[  264.985511]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  264.991055]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.996342]  ? rcu_pm_notify+0xc0/0xc0
[  265.000232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.005768]  ? check_preemption_disabled+0x48/0x200
[  265.010795]  run_timer_softirq+0x52/0xb0
[  265.014858]  ? rcu_read_lock_sched_held+0x108/0x120
[  265.019880]  __do_softirq+0x30b/0xad8
[  265.023695]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  265.028811]  ? schedule+0x108/0x460
[  265.032445]  ? __schedule+0x1ed0/0x1ed0
[  265.036430]  ? trace_hardirqs_off+0xb8/0x300
[  265.040840]  ? ___might_sleep+0x1ed/0x300
[  265.044987]  ? smpboot_thread_fn+0x68b/0xa00
[  265.049400]  ? trace_hardirqs_on+0x310/0x310
[  265.053810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.059345]  ? check_preemption_disabled+0x48/0x200
[  265.064363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.069905]  ? takeover_tasklets+0xa90/0xa90
[  265.074317]  run_ksoftirqd+0x94/0x100
[  265.078120]  smpboot_thread_fn+0x68b/0xa00
[  265.082359]  ? sort_range+0x30/0x30
[  265.085986]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.091101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.096640]  ? __kthread_parkme+0xfb/0x1a0
[  265.100879]  kthread+0x35a/0x420
[  265.104248]  ? sort_range+0x30/0x30
[  265.107873]  ? kthread_bind+0x40/0x40
[  265.111682]  ret_from_fork+0x3a/0x50
[  265.115412] warn_alloc_show_mem: 1 callbacks suppressed
[  265.115424] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  265.115426] Mem-Info:
[  265.115458] active_anon:44072 inactive_anon:951 isolated_anon:0
[  265.115458]  active_file:15 inactive_file:18 isolated_file:0
[  265.115458]  unevictable:0 dirty:0 writeback:0 unstable:0
[  265.115458]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  265.115458]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  265.115458]  free:13779 free_pcp:230 free_cma:0
[  265.120795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.127983] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  265.130383] Call Trace:
[  265.163684] Node 0 
[  265.173032]  <IRQ>
[  265.200801] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  265.203361]  dump_stack+0x1c4/0x2b4
[  265.205567] lowmem_reserve[]:
[  265.207710]  ? dump_stack_print_info.cold.2+0x52/0x52
[  265.233189]  0
[  265.236821]  warn_alloc.cold.118+0xb7/0x1bd
[  265.239890]  2815
[  265.245102]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.246879]  6318
[  265.251192]  ? lock_downgrade+0x900/0x900
[  265.253227]  6318
[  265.258068]  ? trace_hardirqs_off+0xb8/0x300
[  265.260118] Node 0 
[  265.264271]  ? trace_hardirqs_off+0xb8/0x300
[  265.266334] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  265.270719]  __alloc_pages_slowpath+0x2667/0x2d80
[  265.272923] lowmem_reserve[]:
[  265.277347]  ? warn_alloc+0x120/0x120
[  265.304190]  0
[  265.309030]  ? trace_hardirqs_on+0x310/0x310
[  265.312111]  0
[  265.315907]  ? warn_alloc+0x120/0x120
[  265.317684]  3503
[  265.322104]  ? print_usage_bug+0xc0/0xc0
[  265.323870]  3503
[  265.327667]  ? warn_alloc+0x120/0x120
[  265.329704] Node 0 
[  265.333756]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  265.335820] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  265.339589]  ? print_usage_bug+0xc0/0xc0
[  265.341805] lowmem_reserve[]:
[  265.346815]  ? __lock_acquire+0x7ec/0x4ec0
[  265.375155]  0
[  265.379208]  ? __lock_acquire+0x7ec/0x4ec0
[  265.382286]  0
[  265.386516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.388290]  0
[  265.392521]  ? should_fail+0x22d/0xd01
[  265.394299]  0
[  265.399913]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.401688] Node 0 
[  265.405572]  ? __lock_acquire+0x7ec/0x4ec0
[  265.407342] DMA: 1*4kB 
[  265.412448]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.414659] (U) 
[  265.418884]  ? __lock_acquire+0x7ec/0x4ec0
[  265.421441] 0*8kB 
[  265.426534]  ? should_fail+0x22d/0xd01
[  265.428486] 0*16kB 
[  265.432712]  ? print_usage_bug+0xc0/0xc0
[  265.434840] 1*32kB 
[  265.438722]  ? mark_held_locks+0x130/0x130
[  265.440927] (U) 
[  265.444984]  ? mark_held_locks+0x130/0x130
[  265.447199] 2*64kB 
[  265.451428]  ? graph_lock+0x170/0x170
[  265.453375] (U) 
[  265.457617]  ? print_usage_bug+0xc0/0xc0
[  265.459831] 1*128kB 
[  265.463623]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.465569] (U) 
[  265.469625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.471920] 1*256kB 
[  265.477143]  ? check_preemption_disabled+0x48/0x200
[  265.479109] (U) 
[  265.484635]  ? check_preemption_disabled+0x48/0x200
[  265.486935] 0*512kB 
[  265.491948]  ? __lock_is_held+0xb5/0x140
[  265.493891] 1*1024kB 
[  265.498903]  __alloc_pages_nodemask+0xa80/0xde0
[  265.501199] (U) 
[  265.505268]  ? graph_lock+0x170/0x170
[  265.507658] 1*2048kB 
[  265.512318]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  265.514270] (M) 
[  265.518059]  ? graph_lock+0x170/0x170
[  265.520449] 3*4096kB 
[  265.525478]  ? find_held_lock+0x36/0x1c0
[  265.527439] (M) 
[  265.531238]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.533619] = 15908kB
[  265.537677]  ? lock_downgrade+0x900/0x900
[  265.539631] Node 0 
[  265.544400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.546780] DMA32: 
[  265.550922]  cache_grow_begin+0x91/0x8c0
[  265.553134] 1*4kB 
[  265.558661]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.560874] (M) 
[  265.564931]  fallback_alloc+0x203/0x2e0
[  265.567052] 3*8kB 
[  265.571454]  ____cache_alloc_node+0x1c7/0x1e0
[  265.573404] (UM) 
[  265.577371]  kmem_cache_alloc_node+0xe3/0x730
[  265.579499] 0*16kB 
[  265.583987]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.586023] 3*32kB 
[  265.590516]  __alloc_skb+0x119/0x770
[  265.592726] (UM) 
[  265.597876]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  265.600099] 2*64kB 
[  265.603803]  ? skb_scrub_packet+0x490/0x490
[  265.605837] (M) 
[  265.611126]  ? lock_downgrade+0x900/0x900
[  265.613336] 5*128kB 
[  265.617654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.619606] (UM) 
[  265.623751]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.626041] 3*256kB (M) 
[  265.631578]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.633627] 4*512kB 
[  265.639072]  ? addrconf_rs_timer+0x6f0/0x6f0
[  265.641720] (M) 
[  265.647169]  ndisc_alloc_skb+0x144/0x340
[  265.649460] 3*1024kB 
[  265.653863]  ndisc_send_rs+0x331/0x6e0
[  265.655812] (UM) 
[  265.659867]  addrconf_rs_timer+0x3c0/0x6f0
[  265.662249] 3*2048kB 
[  265.666134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.668175] (M) 
[  265.672413]  call_timer_fn+0x272/0x920
[  265.674787] 3*4096kB 
[  265.679012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.680963] (M) 
[  265.684848]  ? process_timeout+0x40/0x40
[  265.687233] = 25212kB
[  265.691457]  ? find_held_lock+0x36/0x1c0
[  265.693408] Node 0 
[  265.697464]  ? __run_timers+0x7da/0xc70
[  265.699841] Normal: 
[  265.703892]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.706111] 887*4kB 
[  265.710085]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.712385] (UME) 
[  265.716874]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.719172] 378*8kB 
[  265.723662]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  265.725785] (UMEH) 
[  265.730013]  ? trace_hardirqs_on+0xbd/0x310
[  265.732315] 172*16kB 
[  265.736890]  ? kasan_check_read+0x11/0x20
[  265.739110] (UMEH) 
[  265.743429]  ? __run_timers+0x7da/0xc70
[  265.745809] 106*32kB (UMEH) 
[  265.749960]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.752170] 16*64kB 
[  265.756142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.759132] (UMH) 
[  265.764575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.766877] 0*128kB 
[  265.771118]  __run_timers+0x7e5/0xc70
[  265.773244] 1*256kB 
[  265.777481]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  265.779772] (H) 
[  265.783563]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  265.785861] 0*512kB 
[  265.791215]  ? graph_lock+0x170/0x170
[  265.793167] 0*1024kB 
[  265.798176]  ? enqueue_hrtimer+0x1a5/0x560
[  265.800473] 0*2048kB 
[  265.804259]  ? lock_release+0x970/0x970
[  265.804274]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.806661] 0*4096kB 
[  265.810890]  ? find_held_lock+0x36/0x1c0
[  265.813277] = 13996kB
[  265.817240]  ? graph_lock+0x170/0x170
[  265.822411] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  265.824812]  ? pvclock_read_flags+0x160/0x160
[  265.828854] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  265.831253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.835026] 4508 total pagecache pages
[  265.843853]  ? check_preemption_disabled+0x48/0x200
[  265.848330] 0 pages in swap cache
[  265.856901]  ? __lock_is_held+0xb5/0x140
[  265.862412] Swap cache stats: add 0, delete 0, find 0/0
[  265.866287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.871275] Free swap  = 0kB
[  265.874717]  ? check_preemption_disabled+0x48/0x200
[  265.878755] Total swap = 0kB
[  265.884120]  run_timer_softirq+0x52/0xb0
[  265.889629] 1965979 pages RAM
[  265.892644]  ? rcu_read_lock_sched_held+0x108/0x120
[  265.897633] 0 pages HighMem/MovableOnly
[  265.900647]  __do_softirq+0x30b/0xad8
[  265.904683] 343323 pages reserved
[  265.907793]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  265.912774] 0 pages cma reserved
[  265.916743]  ? pvclock_read_flags+0x160/0x160
[  265.920612] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.923957]  ? lapic_next_event+0x5a/0x90
[  265.929105] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.932401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.936869] ksoftirqd/1 cpuset=
[  265.943352]  ? check_preemption_disabled+0x48/0x200
[  265.947477] /
[  265.957777]  ? check_preemption_disabled+0x48/0x200
[  265.963294]  mems_allowed=0
[  265.966561]  ? kvm_clock_read+0x18/0x30
[  265.985129]  ? kvm_sched_clock_read+0x9/0x20
[  265.989543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.995094]  ? check_preemption_disabled+0x48/0x200
[  266.000131]  irq_exit+0x17f/0x1c0
[  266.003592]  smp_apic_timer_interrupt+0x1cb/0x760
[  266.008435]  ? smp_reschedule_interrupt+0x109/0x650
[  266.013457]  ? smp_call_function_single_interrupt+0x650/0x650
[  266.019341]  ? interrupt_entry+0xb5/0xf0
[  266.023402]  ? trace_hardirqs_off_caller+0xbb/0x300
[  266.028420]  ? trace_hardirqs_off_caller+0xbb/0x300
[  266.033438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.038282]  ? trace_hardirqs_off+0x300/0x300
[  266.042773]  ? trace_hardirqs_off+0x300/0x300
[  266.047270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.052809]  ? check_preemption_disabled+0x48/0x200
[  266.057821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.063369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.068219]  apic_timer_interrupt+0xf/0x20
[  266.072446]  </IRQ>
[  266.074686] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  266.079616] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  266.098514] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  266.106229] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  266.113498] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  266.120763] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  266.128028] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  266.135295] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  266.142607]  skb_clone+0x1bb/0x500
[  266.146149]  ? finish_task_switch+0x2f5/0x900
[  266.150647]  ? skb_split+0x11e0/0x11e0
[  266.154536]  ? preempt_notifier_register+0x200/0x200
[  266.159640]  ? __switch_to_asm+0x34/0x70
[  266.163702]  ? __switch_to_asm+0x34/0x70
[  266.167760]  ? __switch_to_asm+0x40/0x70
[  266.171818]  ? __switch_to_asm+0x34/0x70
[  266.175878]  ? __switch_to_asm+0x40/0x70
[  266.179937]  ? __switch_to_asm+0x34/0x70
[  266.183994]  ? __switch_to_asm+0x40/0x70
[  266.188053]  ? __switch_to_asm+0x34/0x70
[  266.192128]  ? __switch_to_asm+0x34/0x70
[  266.196187]  ? __switch_to_asm+0x40/0x70
[  266.200245]  ? __switch_to_asm+0x34/0x70
[  266.204317]  bpf_clone_redirect+0xb9/0x490
[  266.208556]  ? __schedule+0x874/0x1ed0
[  266.212448]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  266.217468]  ? __sched_text_start+0x8/0x8
[  266.221620]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  266.226387]  ? find_held_lock+0x36/0x1c0
[  266.230458]  ? lock_acquire+0x1ed/0x520
[  266.234433]  ? bpf_test_run+0x32e/0x5a0
[  266.238416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.243956]  ? check_preemption_disabled+0x48/0x200
[  266.248980]  ? kasan_check_read+0x11/0x20
[  266.253134]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.258416]  ? rcu_bh_qs+0xc0/0xc0
[  266.261959]  ? preempt_schedule+0x4d/0x60
[  266.266119]  ? ___preempt_schedule+0x16/0x18
[  266.270535]  ? bpf_test_run+0x1c0/0x5a0
[  266.274523]  ? netlink_diag_dump+0x2a0/0x2a0
[  266.278936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.284474]  ? bpf_test_init.isra.9+0x70/0x100
[  266.289067]  ? bpf_prog_test_run_skb+0x634/0xb40
[  266.293846]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  266.298692]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  266.304227]  ? fput+0x130/0x1a0
[  266.307510]  ? __bpf_prog_get+0x9b/0x290
[  266.311578]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  266.316424]  ? bpf_prog_test_run+0x130/0x1a0
[  266.320853]  ? __x64_sys_bpf+0x3d8/0x510
[  266.324914]  ? bpf_prog_get+0x20/0x20
[  266.328734]  ? do_syscall_64+0x1b9/0x820
[  266.332793]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  266.338160]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.343104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.347950]  ? trace_hardirqs_off+0x300/0x300
[  266.352448]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  266.357467]  ? prepare_exit_to_usermode+0x291/0x3b0
[  266.362493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.367349]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  266.372733] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  266.372804] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.379572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.379581] Call Trace:
[  266.386166] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.395418]  dump_stack+0x1c4/0x2b4
[  266.397978] syz-executor4 cpuset=
[  266.408457]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.412057] syz4
[  266.415521]  warn_alloc.cold.118+0xb7/0x1bd
[  266.420678]  mems_allowed=0
[  266.422644]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.434698]  ? lock_downgrade+0x900/0x900
[  266.438853]  ? trace_hardirqs_off+0xb8/0x300
[  266.443274]  ? trace_hardirqs_off+0xb8/0x300
[  266.447694]  __alloc_pages_slowpath+0x2667/0x2d80
[  266.452571]  ? warn_alloc+0x120/0x120
[  266.456386]  ? warn_alloc+0x120/0x120
[  266.460192]  ? print_usage_bug+0xc0/0xc0
[  266.464256]  ? warn_alloc+0x120/0x120
[  266.468058]  ? print_usage_bug+0xc0/0xc0
[  266.472140]  ? __lock_acquire+0x7ec/0x4ec0
[  266.476379]  ? __lock_acquire+0x7ec/0x4ec0
[  266.480622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.486163]  ? should_fail+0x22d/0xd01
[  266.490058]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.495174]  ? __lock_acquire+0x7ec/0x4ec0
[  266.499416]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.504516]  ? __lock_acquire+0x7ec/0x4ec0
[  266.508750]  ? should_fail+0x22d/0xd01
[  266.512649]  ? mark_held_locks+0x130/0x130
[  266.516888]  ? mark_held_locks+0x130/0x130
[  266.521128]  ? graph_lock+0x170/0x170
[  266.524927]  ? graph_lock+0x170/0x170
[  266.528734]  ? graph_lock+0x170/0x170
[  266.532535]  ? print_usage_bug+0xc0/0xc0
[  266.536601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.542137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.547677]  ? check_preemption_disabled+0x48/0x200
[  266.552694]  ? check_preemption_disabled+0x48/0x200
[  266.557724]  ? __lock_is_held+0xb5/0x140
[  266.561797]  __alloc_pages_nodemask+0xa80/0xde0
[  266.566473]  ? graph_lock+0x170/0x170
[  266.570280]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  266.575295]  ? graph_lock+0x170/0x170
[  266.579115]  ? find_held_lock+0x36/0x1c0
[  266.583187]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.587862]  ? lock_downgrade+0x900/0x900
[  266.592022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.597566]  cache_grow_begin+0x91/0x8c0
[  266.601722]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.606671]  fallback_alloc+0x203/0x2e0
[  266.610655]  ____cache_alloc_node+0x1c7/0x1e0
[  266.615158]  kmem_cache_alloc_node+0xe3/0x730
[  266.619654]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.623903]  __alloc_skb+0x119/0x770
[  266.627624]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.632907]  ? skb_scrub_packet+0x490/0x490
[  266.637227]  ? lock_downgrade+0x900/0x900
[  266.641386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.646927]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.652381]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.657837]  ? addrconf_rs_timer+0x6f0/0x6f0
[  266.662258]  ndisc_alloc_skb+0x144/0x340
[  266.666329]  ndisc_send_rs+0x331/0x6e0
[  266.670225]  addrconf_rs_timer+0x3c0/0x6f0
[  266.674470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.678719]  call_timer_fn+0x272/0x920
[  266.682614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.686854]  ? process_timeout+0x40/0x40
[  266.690917]  ? find_held_lock+0x36/0x1c0
[  266.694990]  ? __run_timers+0x7da/0xc70
[  266.698971]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.703469]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.707967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.712202]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  266.716792]  ? trace_hardirqs_on+0xbd/0x310
[  266.721115]  ? kasan_check_read+0x11/0x20
[  266.725353]  ? __run_timers+0x7da/0xc70
[  266.729329]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.734783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.739024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.743349]  __run_timers+0x7e5/0xc70
[  266.747166]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  266.752530]  ? compat_start_thread+0x80/0x80
[  266.756944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.762490]  ? kasan_check_write+0x14/0x20
[  266.766729]  ? finish_task_switch+0x2f5/0x900
[  266.771224]  ? __switch_to_asm+0x40/0x70
[  266.775289]  ? preempt_notifier_register+0x200/0x200
[  266.780659]  ? __switch_to_asm+0x34/0x70
[  266.784718]  ? __switch_to_asm+0x40/0x70
[  266.788780]  ? __switch_to_asm+0x34/0x70
[  266.792842]  ? __switch_to_asm+0x40/0x70
[  266.796900]  ? __switch_to_asm+0x34/0x70
[  266.800962]  ? __switch_to_asm+0x40/0x70
[  266.805040]  ? pvclock_read_flags+0x160/0x160
[  266.809541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.815089]  ? check_preemption_disabled+0x48/0x200
[  266.820127]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  266.825663]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.830941]  ? rcu_pm_notify+0xc0/0xc0
[  266.834830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.840368]  ? check_preemption_disabled+0x48/0x200
[  266.845395]  run_timer_softirq+0x52/0xb0
[  266.849457]  ? rcu_read_lock_sched_held+0x108/0x120
[  266.854478]  __do_softirq+0x30b/0xad8
[  266.858292]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  266.863404]  ? schedule+0x108/0x460
[  266.867035]  ? __schedule+0x1ed0/0x1ed0
[  266.871014]  ? trace_hardirqs_off+0xb8/0x300
[  266.875424]  ? ___might_sleep+0x1ed/0x300
[  266.879571]  ? smpboot_thread_fn+0x68b/0xa00
[  266.883989]  ? trace_hardirqs_on+0x310/0x310
[  266.888403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.893943]  ? check_preemption_disabled+0x48/0x200
[  266.898958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.904503]  ? takeover_tasklets+0xa90/0xa90
[  266.908914]  run_ksoftirqd+0x94/0x100
[  266.912717]  smpboot_thread_fn+0x68b/0xa00
[  266.916956]  ? sort_range+0x30/0x30
[  266.920595]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.925703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.931242]  ? __kthread_parkme+0xfb/0x1a0
[  266.935484]  kthread+0x35a/0x420
[  266.938850]  ? sort_range+0x30/0x30
[  266.942474]  ? kthread_bind+0x40/0x40
[  266.946282]  ret_from_fork+0x3a/0x50
[  266.950009] warn_alloc_show_mem: 1 callbacks suppressed
[  266.950021] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  266.950023] Mem-Info:
[  266.950054] active_anon:44072 inactive_anon:951 isolated_anon:0
[  266.950054]  active_file:15 inactive_file:18 isolated_file:0
[  266.950054]  unevictable:0 dirty:0 writeback:0 unstable:0
[  266.950054]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  266.950054]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  266.950054]  free:13779 free_pcp:230 free_cma:0
[  266.955396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.962583] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  266.964983] Call Trace:
[  266.997932] Node 0 
[  267.007271]  <IRQ>
[  267.035039] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  267.037596]  dump_stack+0x1c4/0x2b4
[  267.039809] lowmem_reserve[]:
[  267.041955]  ? dump_stack_print_info.cold.2+0x52/0x52
[  267.067430]  0
[  267.071057]  warn_alloc.cold.118+0xb7/0x1bd
[  267.074129]  2815
[  267.079313]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  267.081101]  6318
[  267.085416]  ? lock_downgrade+0x900/0x900
[  267.087452]  6318
[  267.092291]  ? trace_hardirqs_off+0xb8/0x300
[  267.098463]  ? trace_hardirqs_off+0xb8/0x300
[  267.100498] Node 0 
[  267.104901]  __alloc_pages_slowpath+0x2667/0x2d80
[  267.109302] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  267.111531]  ? warn_alloc+0x120/0x120
[  267.116321] lowmem_reserve[]:
[  267.143207]  ? trace_hardirqs_on+0x310/0x310
[  267.146987]  0
[  267.150097]  ? warn_alloc+0x120/0x120
[  267.154471]  0
[  267.156267]  ? print_usage_bug+0xc0/0xc0
[  267.160039]  3503
[  267.161837]  ? warn_alloc+0x120/0x120
[  267.165870]  3503
[  267.167926]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  267.173752]  ? print_usage_bug+0xc0/0xc0
[  267.178745] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  267.184222]  ? __lock_acquire+0x7ec/0x4ec0
[  267.184239]  ? __lock_acquire+0x7ec/0x4ec0
[  267.213197] lowmem_reserve[]:
[  267.217435]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.221636]  0
[  267.224736]  ? should_fail+0x22d/0xd01
[  267.230247]  0
[  267.232041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.235904]  0
[  267.237703]  ? __lock_acquire+0x7ec/0x4ec0
[  267.242778]  0
[  267.244575]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.250576]  ? __lock_acquire+0x7ec/0x4ec0
[  267.255661] Node 0 
[  267.259886]  ? should_fail+0x22d/0xd01
[  267.259896] DMA: 
[  267.262131]  ? print_usage_bug+0xc0/0xc0
[  267.265994] 1*4kB 
[  267.268055]  ? mark_held_locks+0x130/0x130
[  267.272098] (U) 
[  267.274239]  ? mark_held_locks+0x130/0x130
[  267.278449] 0*8kB 
[  267.280421]  ? graph_lock+0x170/0x170
[  267.284629] 0*16kB 
[  267.286776]  ? print_usage_bug+0xc0/0xc0
[  267.290550] 1*32kB 
[  267.292780]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.296815] (U) 
[  267.299050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.303776] 2*64kB 
[  267.305741]  ? check_preemption_disabled+0x48/0x200
[  267.311252] (U) 
[  267.313483]  ? check_preemption_disabled+0x48/0x200
[  267.318472] 1*128kB 
[  267.320447]  ? __lock_is_held+0xb5/0x140
[  267.325433] (U) 
[  267.327752]  __alloc_pages_nodemask+0xa80/0xde0
[  267.331782] 1*256kB 
[  267.333753]  ? graph_lock+0x170/0x170
[  267.338397] (U) 
[  267.340716]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  267.344492] 0*512kB 
[  267.346458]  ? graph_lock+0x170/0x170
[  267.351450] 1*1024kB 
[  267.353774]  ? find_held_lock+0x36/0x1c0
[  267.357543] (U) 
[  267.359956]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.363983] 1*2048kB 
[  267.365951]  ? lock_downgrade+0x900/0x900
[  267.370595] (M) 
[  267.373003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.377119] 3*4096kB 
[  267.379099]  cache_grow_begin+0x91/0x8c0
[  267.384604] (M) 
[  267.387008]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.391044] = 15908kB
[  267.393016]  fallback_alloc+0x203/0x2e0
[  267.397394] Node 0 
[  267.399803]  ____cache_alloc_node+0x1c7/0x1e0
[  267.403749] DMA32: 
[  267.405999]  kmem_cache_alloc_node+0xe3/0x730
[  267.410466] 1*4kB 
[  267.412711]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.417180] (M) 
[  267.419331]  __alloc_skb+0x119/0x770
[  267.423535] 3*8kB 
[  267.425508]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.429189] (UM) 
[  267.431330]  ? skb_scrub_packet+0x490/0x490
[  267.436581] 0*16kB 
[  267.438639]  ? lock_downgrade+0x900/0x900
[  267.442934] 3*32kB (UM) 
[  267.445178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.449296] 2*64kB 
[  267.451963]  ? refcount_sub_and_test_checked+0x203/0x310
[  267.457470] (M) 
[  267.459702]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  267.465126] 5*128kB 
[  267.467115]  ? addrconf_rs_timer+0x6f0/0x6f0
[  267.472528] (UM) 
[  267.475338]  ndisc_alloc_skb+0x144/0x340
[  267.479716] 3*256kB 
[  267.481773]  ndisc_send_rs+0x331/0x6e0
[  267.485814] (M) 
[  267.488133]  addrconf_rs_timer+0x3c0/0x6f0
[  267.491998] 4*512kB 
[  267.493969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.498178] (M) 
[  267.500505]  call_timer_fn+0x272/0x920
[  267.504705] 3*1024kB 
[  267.506672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.510535] (UM) 
[  267.512938]  ? process_timeout+0x40/0x40
[  267.517145] 3*2048kB 
[  267.519198]  ? find_held_lock+0x36/0x1c0
[  267.523238] (M) 
[  267.525645]  ? __run_timers+0x7da/0xc70
[  267.529679] 3*4096kB 
[  267.531647]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.535603] (M) 
[  267.538007]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.542477] = 25212kB
[  267.544449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.548921] Node 0 
[  267.551326]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  267.555533] Normal: 
[  267.557763]  ? trace_hardirqs_on+0xbd/0x310
[  267.562319] 887*4kB 
[  267.564639]  ? kasan_check_read+0x11/0x20
[  267.568932] (UME) 
[  267.571251]  ? __run_timers+0x7da/0xc70
[  267.575386] 378*8kB 
[  267.577526]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.581468] (UMEH) 172*16kB 
[  267.583796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.589219] (UMEH) 
[  267.592234]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.596441] 106*32kB 
[  267.598669]  __run_timers+0x7e5/0xc70
[  267.602874] (UMEH) 
[  267.605290]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  267.609054] 16*64kB (UMH) 
[  267.611307]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.616639] 0*128kB 1*256kB 
[  267.619483]  ? graph_lock+0x170/0x170
[  267.624470] (H) 
[  267.627479]  ? enqueue_hrtimer+0x1a5/0x560
[  267.631258] 0*512kB 
[  267.633232]  ? lock_release+0x970/0x970
[  267.637442] 0*1024kB 
[  267.639756]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  267.643707] 0*2048kB 
[  267.646125]  ? find_held_lock+0x36/0x1c0
[  267.651284] 0*4096kB = 13996kB
[  267.653703]  ? graph_lock+0x170/0x170
[  267.657741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  267.660928]  ? pvclock_read_flags+0x160/0x160
[  267.664706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  267.673528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.677996] 4508 total pagecache pages
[  267.686562]  ? check_preemption_disabled+0x48/0x200
[  267.692087] 0 pages in swap cache
[  267.695976]  ? __lock_is_held+0xb5/0x140
[  267.700965] Swap cache stats: add 0, delete 0, find 0/0
[  267.704407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.708441] Free swap  = 0kB
[  267.713795]  ? check_preemption_disabled+0x48/0x200
[  267.719310] Total swap = 0kB
[  267.722327]  run_timer_softirq+0x52/0xb0
[  267.727310] 1965979 pages RAM
[  267.730324]  ? rcu_read_lock_sched_held+0x108/0x120
[  267.734358] 0 pages HighMem/MovableOnly
[  267.737456]  __do_softirq+0x30b/0xad8
[  267.742446] 343323 pages reserved
[  267.746420]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  267.750189] 0 pages cma reserved
[  267.753633]  ? pvclock_read_flags+0x160/0x160
[  267.758777] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  267.762060]  ? lapic_next_event+0x5a/0x90
[  267.762076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.762105]  ? check_preemption_disabled+0x48/0x200
[  267.766653] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  267.773068]  ? check_preemption_disabled+0x48/0x200
[  267.777199] ksoftirqd/1 cpuset=
[  267.782733]  ? kvm_clock_read+0x18/0x30
[  267.787719] /
[  267.798025]  ? kvm_sched_clock_read+0x9/0x20
[  267.803018]  mems_allowed=0
[  267.806293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.824764]  ? check_preemption_disabled+0x48/0x200
[  267.829795]  irq_exit+0x17f/0x1c0
[  267.833252]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.838109]  ? smp_reschedule_interrupt+0x109/0x650
[  267.843129]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.849012]  ? interrupt_entry+0xb5/0xf0
[  267.853087]  ? trace_hardirqs_off_caller+0xbb/0x300
[  267.858122]  ? trace_hardirqs_off_caller+0xbb/0x300
[  267.863139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.867981]  ? trace_hardirqs_off+0x300/0x300
[  267.872476]  ? trace_hardirqs_off+0x300/0x300
[  267.876973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.882513]  ? check_preemption_disabled+0x48/0x200
[  267.887526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.893071]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.897940]  apic_timer_interrupt+0xf/0x20
[  267.902171]  </IRQ>
[  267.904411] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  267.909345] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  267.928246] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  267.935955] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  267.943225] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  267.950495] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  267.957760] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  267.965029] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  267.972351]  skb_clone+0x1bb/0x500
[  267.975893]  ? finish_task_switch+0x2f5/0x900
[  267.980392]  ? skb_split+0x11e0/0x11e0
[  267.984284]  ? preempt_notifier_register+0x200/0x200
[  267.989386]  ? __switch_to_asm+0x34/0x70
[  267.993447]  ? __switch_to_asm+0x34/0x70
[  267.997505]  ? __switch_to_asm+0x40/0x70
[  268.001566]  ? __switch_to_asm+0x34/0x70
[  268.005625]  ? __switch_to_asm+0x40/0x70
[  268.009684]  ? __switch_to_asm+0x34/0x70
[  268.013741]  ? __switch_to_asm+0x40/0x70
[  268.017802]  ? __switch_to_asm+0x34/0x70
[  268.021865]  ? __switch_to_asm+0x34/0x70
[  268.025927]  ? __switch_to_asm+0x40/0x70
[  268.029984]  ? __switch_to_asm+0x34/0x70
[  268.034058]  bpf_clone_redirect+0xb9/0x490
[  268.038316]  ? __schedule+0x874/0x1ed0
[  268.042209]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  268.047230]  ? __sched_text_start+0x8/0x8
[  268.051382]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.056151]  ? find_held_lock+0x36/0x1c0
[  268.060218]  ? lock_acquire+0x1ed/0x520
[  268.064215]  ? bpf_test_run+0x32e/0x5a0
[  268.068196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.073736]  ? check_preemption_disabled+0x48/0x200
[  268.078755]  ? kasan_check_read+0x11/0x20
[  268.082920]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  268.088198]  ? rcu_bh_qs+0xc0/0xc0
[  268.091745]  ? preempt_schedule+0x4d/0x60
[  268.095892]  ? ___preempt_schedule+0x16/0x18
[  268.100310]  ? bpf_test_run+0x1c0/0x5a0
[  268.104296]  ? netlink_diag_dump+0x2a0/0x2a0
[  268.108710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.114244]  ? bpf_test_init.isra.9+0x70/0x100
[  268.118833]  ? bpf_prog_test_run_skb+0x634/0xb40
[  268.123599]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  268.128439]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  268.133973]  ? fput+0x130/0x1a0
[  268.137253]  ? __bpf_prog_get+0x9b/0x290
[  268.141320]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  268.146160]  ? bpf_prog_test_run+0x130/0x1a0
[  268.150576]  ? __x64_sys_bpf+0x3d8/0x510
[  268.154639]  ? bpf_prog_get+0x20/0x20
[  268.158458]  ? do_syscall_64+0x1b9/0x820
[  268.162525]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  268.167894]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.172824]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.177671]  ? trace_hardirqs_off+0x300/0x300
[  268.182169]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  268.187187]  ? prepare_exit_to_usermode+0x291/0x3b0
[  268.192212]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.197072]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  268.202468] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  268.202563] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.209312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.209321] Call Trace:
[  268.215888] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.225153]  dump_stack+0x1c4/0x2b4
[  268.227713] syz-executor4 cpuset=
[  268.238193]  ? dump_stack_print_info.cold.2+0x52/0x52
[  268.241792] syz4
[  268.245247]  warn_alloc.cold.118+0xb7/0x1bd
[  268.250404]  mems_allowed=0
[  268.252373]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.264433]  ? lock_downgrade+0x900/0x900
[  268.268601]  ? trace_hardirqs_off+0xb8/0x300
[  268.273016]  ? trace_hardirqs_off+0xb8/0x300
[  268.277450]  __alloc_pages_slowpath+0x2667/0x2d80
[  268.282328]  ? warn_alloc+0x120/0x120
[  268.286171]  ? warn_alloc+0x120/0x120
[  268.289974]  ? print_usage_bug+0xc0/0xc0
[  268.294035]  ? warn_alloc+0x120/0x120
[  268.297839]  ? print_usage_bug+0xc0/0xc0
[  268.301903]  ? __lock_acquire+0x7ec/0x4ec0
[  268.306138]  ? __lock_acquire+0x7ec/0x4ec0
[  268.310397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.315939]  ? should_fail+0x22d/0xd01
[  268.319837]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.324940]  ? __lock_acquire+0x7ec/0x4ec0
[  268.329185]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.334293]  ? __lock_acquire+0x7ec/0x4ec0
[  268.338532]  ? should_fail+0x22d/0xd01
[  268.342435]  ? mark_held_locks+0x130/0x130
[  268.346673]  ? mark_held_locks+0x130/0x130
[  268.350908]  ? graph_lock+0x170/0x170
[  268.354710]  ? graph_lock+0x170/0x170
[  268.358521]  ? graph_lock+0x170/0x170
[  268.362321]  ? print_usage_bug+0xc0/0xc0
[  268.366386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.371926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.377463]  ? check_preemption_disabled+0x48/0x200
[  268.382474]  ? check_preemption_disabled+0x48/0x200
[  268.387505]  ? __lock_is_held+0xb5/0x140
[  268.391586]  __alloc_pages_nodemask+0xa80/0xde0
[  268.396264]  ? graph_lock+0x170/0x170
[  268.400067]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  268.405110]  ? graph_lock+0x170/0x170
[  268.408925]  ? find_held_lock+0x36/0x1c0
[  268.412997]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.417667]  ? lock_downgrade+0x900/0x900
[  268.421843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.427390]  cache_grow_begin+0x91/0x8c0
[  268.431485]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.435901]  fallback_alloc+0x203/0x2e0
[  268.439886]  ____cache_alloc_node+0x1c7/0x1e0
[  268.444386]  kmem_cache_alloc_node+0xe3/0x730
[  268.448882]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.453128]  __alloc_skb+0x119/0x770
[  268.456844]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  268.462126]  ? skb_scrub_packet+0x490/0x490
[  268.466452]  ? lock_downgrade+0x900/0x900
[  268.470625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.476163]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.481651]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.487114]  ? addrconf_rs_timer+0x6f0/0x6f0
[  268.491537]  ndisc_alloc_skb+0x144/0x340
[  268.495621]  ndisc_send_rs+0x331/0x6e0
[  268.499516]  addrconf_rs_timer+0x3c0/0x6f0
[  268.503765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.508018]  call_timer_fn+0x272/0x920
[  268.511908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.516148]  ? process_timeout+0x40/0x40
[  268.520210]  ? find_held_lock+0x36/0x1c0
[  268.524284]  ? __run_timers+0x7da/0xc70
[  268.528261]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.532756]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.537254]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.541494]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  268.546077]  ? trace_hardirqs_on+0xbd/0x310
[  268.550404]  ? kasan_check_read+0x11/0x20
[  268.554552]  ? __run_timers+0x7da/0xc70
[  268.558528]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.563986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.568231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.572466]  __run_timers+0x7e5/0xc70
[  268.576280]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  268.581641]  ? compat_start_thread+0x80/0x80
[  268.586052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.591610]  ? kasan_check_write+0x14/0x20
[  268.595863]  ? finish_task_switch+0x2f5/0x900
[  268.600357]  ? __switch_to_asm+0x40/0x70
[  268.604934]  ? preempt_notifier_register+0x200/0x200
[  268.610038]  ? __switch_to_asm+0x34/0x70
[  268.614104]  ? __switch_to_asm+0x40/0x70
[  268.618166]  ? __switch_to_asm+0x34/0x70
[  268.622225]  ? __switch_to_asm+0x40/0x70
[  268.626289]  ? __switch_to_asm+0x34/0x70
[  268.630347]  ? __switch_to_asm+0x40/0x70
[  268.634417]  ? pvclock_read_flags+0x160/0x160
[  268.638916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.644456]  ? check_preemption_disabled+0x48/0x200
[  268.649481]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  268.655018]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  268.660296]  ? rcu_pm_notify+0xc0/0xc0
[  268.664185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.669729]  ? check_preemption_disabled+0x48/0x200
[  268.674752]  run_timer_softirq+0x52/0xb0
[  268.678813]  ? rcu_read_lock_sched_held+0x108/0x120
[  268.683832]  __do_softirq+0x30b/0xad8
[  268.687644]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  268.692756]  ? schedule+0x108/0x460
[  268.696386]  ? __schedule+0x1ed0/0x1ed0
[  268.700367]  ? trace_hardirqs_off+0xb8/0x300
[  268.704781]  ? ___might_sleep+0x1ed/0x300
[  268.708929]  ? smpboot_thread_fn+0x68b/0xa00
[  268.713337]  ? trace_hardirqs_on+0x310/0x310
[  268.717746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.723282]  ? check_preemption_disabled+0x48/0x200
[  268.728298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.733837]  ? takeover_tasklets+0xa90/0xa90
[  268.738253]  run_ksoftirqd+0x94/0x100
[  268.742051]  smpboot_thread_fn+0x68b/0xa00
[  268.746300]  ? sort_range+0x30/0x30
[  268.749928]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.755032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.760569]  ? __kthread_parkme+0xfb/0x1a0
[  268.764835]  kthread+0x35a/0x420
[  268.768204]  ? sort_range+0x30/0x30
[  268.771833]  ? kthread_bind+0x40/0x40
[  268.775637]  ret_from_fork+0x3a/0x50
[  268.779368] warn_alloc_show_mem: 1 callbacks suppressed
[  268.779381] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  268.779382] Mem-Info:
[  268.779421] active_anon:44072 inactive_anon:951 isolated_anon:0
[  268.779421]  active_file:15 inactive_file:18 isolated_file:0
[  268.779421]  unevictable:0 dirty:0 writeback:0 unstable:0
[  268.779421]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  268.779421]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  268.779421]  free:13779 free_pcp:230 free_cma:0
[  268.784765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.791954] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  268.794353] Call Trace:
[  268.827302] Node 0 
[  268.836644]  <IRQ>
[  268.864410] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  268.866965]  dump_stack+0x1c4/0x2b4
[  268.869173] lowmem_reserve[]:
[  268.871316]  ? dump_stack_print_info.cold.2+0x52/0x52
[  268.896794]  0
[  268.900421]  warn_alloc.cold.118+0xb7/0x1bd
[  268.903490]  2815
[  268.908713]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.910490]  6318
[  268.914801]  ? lock_downgrade+0x900/0x900
[  268.916837]  6318
[  268.921673]  ? trace_hardirqs_off+0xb8/0x300
[  268.927842]  ? trace_hardirqs_off+0xb8/0x300
[  268.929878] Node 0 
[  268.934283]  __alloc_pages_slowpath+0x2667/0x2d80
[  268.938688] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  268.940918]  ? warn_alloc+0x120/0x120
[  268.945708] lowmem_reserve[]:
[  268.972591]  ? trace_hardirqs_on+0x310/0x310
[  268.976377]  0
[  268.979472]  ? warn_alloc+0x120/0x120
[  268.983852]  0
[  268.985646]  ? print_usage_bug+0xc0/0xc0
[  268.989422]  3503
[  268.991217]  ? warn_alloc+0x120/0x120
[  268.995251]  3503
[  268.997311]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  269.003147]  ? print_usage_bug+0xc0/0xc0
[  269.008135] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  269.012216]  ? __lock_acquire+0x7ec/0x4ec0
[  269.012232]  ? __lock_acquire+0x7ec/0x4ec0
[  269.041182] lowmem_reserve[]:
[  269.045409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.049620]  0
[  269.052717]  ? should_fail+0x22d/0xd01
[  269.058227]  0
[  269.060022]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.063882]  0
[  269.065676]  ? __lock_acquire+0x7ec/0x4ec0
[  269.070745]  0
[  269.072551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.076760] Node 0 
[  269.078553]  ? __lock_acquire+0x7ec/0x4ec0
[  269.083628] DMA: 
[  269.085856]  ? should_fail+0x22d/0xd01
[  269.090065] 1*4kB 
[  269.092131]  ? print_usage_bug+0xc0/0xc0
[  269.095993] (U) 
[  269.098139]  ? mark_held_locks+0x130/0x130
[  269.102173] 0*8kB 
[  269.104140]  ? mark_held_locks+0x130/0x130
[  269.108353] 0*16kB 
[  269.110500]  ? graph_lock+0x170/0x170
[  269.114706] 1*32kB 
[  269.116934]  ? print_usage_bug+0xc0/0xc0
[  269.120708] (U) 
[  269.122941]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.126972] 2*64kB 
[  269.128944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.133671] (U) 
[  269.135904]  ? check_preemption_disabled+0x48/0x200
[  269.141414] 1*128kB 
[  269.143380]  ? check_preemption_disabled+0x48/0x200
[  269.148369] (U) 
[  269.150690]  ? __lock_is_held+0xb5/0x140
[  269.155673] 1*256kB 
[  269.157645]  __alloc_pages_nodemask+0xa80/0xde0
[  269.161673] (U) 
[  269.163986]  ? graph_lock+0x170/0x170
[  269.168629] 0*512kB 
[  269.170596]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  269.174372] 1*1024kB 
[  269.176689]  ? graph_lock+0x170/0x170
[  269.181678] (U) 
[  269.184104]  ? find_held_lock+0x36/0x1c0
[  269.187869] 1*2048kB 
[  269.189847]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.193877] (M) 
[  269.196283]  ? lock_downgrade+0x900/0x900
[  269.200927] 3*4096kB 
[  269.202898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.207012] (M) 
[  269.209416]  cache_grow_begin+0x91/0x8c0
[  269.214926] = 15908kB
[  269.216893]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.220926] Node 0 
[  269.223333]  fallback_alloc+0x203/0x2e0
[  269.227712] DMA32: 
[  269.229947]  ____cache_alloc_node+0x1c7/0x1e0
[  269.233891] 1*4kB 
[  269.236129]  kmem_cache_alloc_node+0xe3/0x730
[  269.240598] (M) 
[  269.242741]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.247204] 3*8kB (UM) 
[  269.249191]  __alloc_skb+0x119/0x770
[  269.253394] 0*16kB 
[  269.255976]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.259656] 3*32kB (UM) 
[  269.261899]  ? skb_scrub_packet+0x490/0x490
[  269.267150] 2*64kB 
[  269.269815]  ? lock_downgrade+0x900/0x900
[  269.274111] (M) 
[  269.276342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.280461] 5*128kB 
[  269.282437]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.287943] (UM) 
[  269.290260]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.295682] 3*256kB 
[  269.297741]  ? addrconf_rs_timer+0x6f0/0x6f0
[  269.303163] (M) 
[  269.305490]  ndisc_alloc_skb+0x144/0x340
[  269.309866] 4*512kB 
[  269.311839]  ndisc_send_rs+0x331/0x6e0
[  269.315875] (M) 
[  269.318194]  addrconf_rs_timer+0x3c0/0x6f0
[  269.322068] 3*1024kB 
[  269.324127]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.328328] (UM) 
[  269.330745]  call_timer_fn+0x272/0x920
[  269.334948] 3*2048kB 
[  269.337006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.340869] (M) 
[  269.343272]  ? process_timeout+0x40/0x40
[  269.347482] 3*4096kB 
[  269.349447]  ? find_held_lock+0x36/0x1c0
[  269.353485] (M) 
[  269.355891]  ? __run_timers+0x7da/0xc70
[  269.359920] = 25212kB
[  269.361915]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.365864] Node 0 
[  269.368265]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.372733] Normal: 
[  269.374963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.379430] 887*4kB 
[  269.381746]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  269.385956] (UME) 
[  269.388272]  ? trace_hardirqs_on+0xbd/0x310
[  269.392844] 378*8kB 
[  269.394984]  ? kasan_check_read+0x11/0x20
[  269.399281] (UMEH) 
[  269.401639]  ? __run_timers+0x7da/0xc70
[  269.405759] 172*16kB 
[  269.407986]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.411933] (UMEH) 
[  269.414340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.419765] 106*32kB 
[  269.421998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.426208] (UMEH) 
[  269.428630]  __run_timers+0x7e5/0xc70
[  269.432838] 16*64kB 
[  269.435078]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  269.438852] (UMH) 
[  269.441172]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.446512] 0*128kB 
[  269.448656]  ? graph_lock+0x170/0x170
[  269.453646] 1*256kB 
[  269.455962]  ? enqueue_hrtimer+0x1a5/0x560
[  269.459733] (H) 
[  269.462052]  ? lock_release+0x970/0x970
[  269.466260] 0*512kB 
[  269.468227]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.472174] 0*1024kB 
[  269.474992]  ? find_held_lock+0x36/0x1c0
[  269.480161] 0*2048kB 
[  269.482563]  ? graph_lock+0x170/0x170
[  269.486599] 0*4096kB 
[  269.489002]  ? pvclock_read_flags+0x160/0x160
[  269.492777] = 13996kB
[  269.495178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.499654] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  269.502049]  ? check_preemption_disabled+0x48/0x200
[  269.507562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  269.516388]  ? __lock_is_held+0xb5/0x140
[  269.521370] 4508 total pagecache pages
[  269.529934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.533974] 0 pages in swap cache
[  269.537845]  ? check_preemption_disabled+0x48/0x200
[  269.543358] Swap cache stats: add 0, delete 0, find 0/0
[  269.546891]  run_timer_softirq+0x52/0xb0
[  269.551878] Free swap  = 0kB
[  269.557239]  ? rcu_read_lock_sched_held+0x108/0x120
[  269.561272] Total swap = 0kB
[  269.564287]  __do_softirq+0x30b/0xad8
[  269.569276] 1965979 pages RAM
[  269.572295]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  269.576061] 0 pages HighMem/MovableOnly
[  269.579165]  ? pvclock_read_flags+0x160/0x160
[  269.584239] 343323 pages reserved
[  269.588203]  ? lapic_next_event+0x5a/0x90
[  269.592672] 0 pages cma reserved
[  269.596129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.600324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.603611]  ? check_preemption_disabled+0x48/0x200
[  269.603626]  ? check_preemption_disabled+0x48/0x200
[  269.609199] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.615625]  ? kvm_clock_read+0x18/0x30
[  269.620621] ksoftirqd/1 cpuset=
[  269.625632]  ? kvm_sched_clock_read+0x9/0x20
[  269.635915] /
[  269.639883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.643139]  mems_allowed=0
[  269.647536]  ? check_preemption_disabled+0x48/0x200
[  269.662680]  irq_exit+0x17f/0x1c0
[  269.666145]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.670988]  ? smp_reschedule_interrupt+0x109/0x650
[  269.676008]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.681892]  ? interrupt_entry+0xb5/0xf0
[  269.685958]  ? trace_hardirqs_off_caller+0xbb/0x300
[  269.690973]  ? trace_hardirqs_off_caller+0xbb/0x300
[  269.695990]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.700835]  ? trace_hardirqs_off+0x300/0x300
[  269.705327]  ? trace_hardirqs_off+0x300/0x300
[  269.709821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.715357]  ? check_preemption_disabled+0x48/0x200
[  269.720370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.725913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.730765]  apic_timer_interrupt+0xf/0x20
[  269.734992]  </IRQ>
[  269.737233] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  269.742165] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  269.761061] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  269.768782] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  269.776046] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  269.783315] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  269.790583] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  269.797849] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  269.805158]  skb_clone+0x1bb/0x500
[  269.808700]  ? finish_task_switch+0x2f5/0x900
[  269.813195]  ? skb_split+0x11e0/0x11e0
[  269.817109]  ? preempt_notifier_register+0x200/0x200
[  269.822226]  ? __switch_to_asm+0x34/0x70
[  269.826291]  ? __switch_to_asm+0x34/0x70
[  269.830350]  ? __switch_to_asm+0x40/0x70
[  269.834409]  ? __switch_to_asm+0x34/0x70
[  269.838469]  ? __switch_to_asm+0x40/0x70
[  269.842526]  ? __switch_to_asm+0x34/0x70
[  269.846583]  ? __switch_to_asm+0x40/0x70
[  269.850642]  ? __switch_to_asm+0x34/0x70
[  269.854702]  ? __switch_to_asm+0x34/0x70
[  269.858759]  ? __switch_to_asm+0x40/0x70
[  269.862819]  ? __switch_to_asm+0x34/0x70
[  269.866885]  bpf_clone_redirect+0xb9/0x490
[  269.871131]  ? __schedule+0x874/0x1ed0
[  269.875029]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  269.880054]  ? __sched_text_start+0x8/0x8
[  269.884225]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.888995]  ? find_held_lock+0x36/0x1c0
[  269.893062]  ? lock_acquire+0x1ed/0x520
[  269.897051]  ? bpf_test_run+0x32e/0x5a0
[  269.901036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.906580]  ? check_preemption_disabled+0x48/0x200
[  269.911599]  ? kasan_check_read+0x11/0x20
[  269.915756]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.921032]  ? rcu_bh_qs+0xc0/0xc0
[  269.924578]  ? preempt_schedule+0x4d/0x60
[  269.928730]  ? ___preempt_schedule+0x16/0x18
[  269.933144]  ? bpf_test_run+0x1c0/0x5a0
[  269.937132]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.941544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.947088]  ? bpf_test_init.isra.9+0x70/0x100
[  269.951681]  ? bpf_prog_test_run_skb+0x634/0xb40
[  269.956445]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.961285]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.966820]  ? fput+0x130/0x1a0
[  269.970113]  ? __bpf_prog_get+0x9b/0x290
[  269.974177]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.979018]  ? bpf_prog_test_run+0x130/0x1a0
[  269.983429]  ? __x64_sys_bpf+0x3d8/0x510
[  269.987492]  ? bpf_prog_get+0x20/0x20
[  269.991317]  ? do_syscall_64+0x1b9/0x820
[  269.995382]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  270.000748]  ? syscall_return_slowpath+0x5e0/0x5e0
[  270.005679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.010525]  ? trace_hardirqs_off+0x300/0x300
[  270.015021]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  270.020041]  ? prepare_exit_to_usermode+0x291/0x3b0
[  270.025065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.029932]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  270.035319] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  270.035393] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  270.042155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.042160] Call Trace:
[  270.042178]  dump_stack+0x1c4/0x2b4
[  270.042199]  ? dump_stack_print_info.cold.2+0x52/0x52
[  270.048728] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  270.058031]  warn_alloc.cold.118+0xb7/0x1bd
[  270.060581] syz-executor4 cpuset=
[  270.064207]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.069369] syz4
[  270.079851]  ? lock_downgrade+0x900/0x900
[  270.084150]  mems_allowed=0
[  270.087604]  ? trace_hardirqs_off+0xb8/0x300
[  270.105830]  ? trace_hardirqs_off+0xb8/0x300
[  270.110253]  __alloc_pages_slowpath+0x2667/0x2d80
[  270.115138]  ? warn_alloc+0x120/0x120
[  270.118950]  ? warn_alloc+0x120/0x120
[  270.122756]  ? print_usage_bug+0xc0/0xc0
[  270.126818]  ? warn_alloc+0x120/0x120
[  270.130628]  ? print_usage_bug+0xc0/0xc0
[  270.134697]  ? __lock_acquire+0x7ec/0x4ec0
[  270.138933]  ? __lock_acquire+0x7ec/0x4ec0
[  270.143174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.148713]  ? should_fail+0x22d/0xd01
[  270.152617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.157727]  ? __lock_acquire+0x7ec/0x4ec0
[  270.161972]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.167077]  ? __lock_acquire+0x7ec/0x4ec0
[  270.171327]  ? should_fail+0x22d/0xd01
[  270.175232]  ? mark_held_locks+0x130/0x130
[  270.179478]  ? mark_held_locks+0x130/0x130
[  270.183716]  ? graph_lock+0x170/0x170
[  270.187521]  ? graph_lock+0x170/0x170
[  270.191329]  ? graph_lock+0x170/0x170
[  270.195132]  ? print_usage_bug+0xc0/0xc0
[  270.199198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.204738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.210279]  ? check_preemption_disabled+0x48/0x200
[  270.215293]  ? check_preemption_disabled+0x48/0x200
[  270.220321]  ? __lock_is_held+0xb5/0x140
[  270.224394]  __alloc_pages_nodemask+0xa80/0xde0
[  270.229063]  ? graph_lock+0x170/0x170
[  270.232879]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  270.237895]  ? graph_lock+0x170/0x170
[  270.241709]  ? find_held_lock+0x36/0x1c0
[  270.245783]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.250457]  ? lock_downgrade+0x900/0x900
[  270.254623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.260175]  cache_grow_begin+0x91/0x8c0
[  270.264239]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.268656]  fallback_alloc+0x203/0x2e0
[  270.272638]  ____cache_alloc_node+0x1c7/0x1e0
[  270.277143]  kmem_cache_alloc_node+0xe3/0x730
[  270.281639]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.285900]  __alloc_skb+0x119/0x770
[  270.289618]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.294903]  ? skb_scrub_packet+0x490/0x490
[  270.299224]  ? lock_downgrade+0x900/0x900
[  270.303380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.308920]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.314375]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.319826]  ? addrconf_rs_timer+0x6f0/0x6f0
[  270.324256]  ndisc_alloc_skb+0x144/0x340
[  270.328326]  ndisc_send_rs+0x331/0x6e0
[  270.332224]  addrconf_rs_timer+0x3c0/0x6f0
[  270.336483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.340735]  call_timer_fn+0x272/0x920
[  270.344624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.348863]  ? process_timeout+0x40/0x40
[  270.352921]  ? find_held_lock+0x36/0x1c0
[  270.356994]  ? __run_timers+0x7da/0xc70
[  270.360987]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.365486]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.369979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.374217]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  270.378802]  ? trace_hardirqs_on+0xbd/0x310
[  270.383131]  ? kasan_check_read+0x11/0x20
[  270.387281]  ? __run_timers+0x7da/0xc70
[  270.391260]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.396719]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.400961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.405195]  __run_timers+0x7e5/0xc70
[  270.409012]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  270.414372]  ? compat_start_thread+0x80/0x80
[  270.418786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.424331]  ? kasan_check_write+0x14/0x20
[  270.428569]  ? finish_task_switch+0x2f5/0x900
[  270.433067]  ? __switch_to_asm+0x40/0x70
[  270.437142]  ? preempt_notifier_register+0x200/0x200
[  270.442245]  ? __switch_to_asm+0x34/0x70
[  270.446305]  ? __switch_to_asm+0x40/0x70
[  270.450364]  ? __switch_to_asm+0x34/0x70
[  270.454422]  ? __switch_to_asm+0x40/0x70
[  270.458479]  ? __switch_to_asm+0x34/0x70
[  270.462540]  ? __switch_to_asm+0x40/0x70
[  270.466618]  ? pvclock_read_flags+0x160/0x160
[  270.471120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.476661]  ? check_preemption_disabled+0x48/0x200
[  270.481692]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  270.487229]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.492506]  ? rcu_pm_notify+0xc0/0xc0
[  270.496399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.501935]  ? check_preemption_disabled+0x48/0x200
[  270.506960]  run_timer_softirq+0x52/0xb0
[  270.511020]  ? rcu_read_lock_sched_held+0x108/0x120
[  270.516051]  __do_softirq+0x30b/0xad8
[  270.519875]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  270.524989]  ? schedule+0x108/0x460
[  270.528623]  ? __schedule+0x1ed0/0x1ed0
[  270.532609]  ? trace_hardirqs_off+0xb8/0x300
[  270.537023]  ? ___might_sleep+0x1ed/0x300
[  270.541168]  ? smpboot_thread_fn+0x68b/0xa00
[  270.545582]  ? trace_hardirqs_on+0x310/0x310
[  270.550004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.555543]  ? check_preemption_disabled+0x48/0x200
[  270.560561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.566118]  ? takeover_tasklets+0xa90/0xa90
[  270.570571]  run_ksoftirqd+0x94/0x100
[  270.574379]  smpboot_thread_fn+0x68b/0xa00
[  270.578622]  ? sort_range+0x30/0x30
[  270.582255]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.587362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.592927]  ? __kthread_parkme+0xfb/0x1a0
[  270.597173]  kthread+0x35a/0x420
[  270.600538]  ? sort_range+0x30/0x30
[  270.604652]  ? kthread_bind+0x40/0x40
[  270.608463]  ret_from_fork+0x3a/0x50
[  270.612196] warn_alloc_show_mem: 1 callbacks suppressed
[  270.612209] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  270.612210] Mem-Info:
[  270.612242] active_anon:44072 inactive_anon:951 isolated_anon:0
[  270.612242]  active_file:15 inactive_file:18 isolated_file:0
[  270.612242]  unevictable:0 dirty:0 writeback:0 unstable:0
[  270.612242]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  270.612242]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  270.612242]  free:13779 free_pcp:230 free_cma:0
[  270.617577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.624773] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  270.627173] Call Trace:
[  270.660131] Node 0 
[  270.669477]  <IRQ>
[  270.697246] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  270.699802]  dump_stack+0x1c4/0x2b4
[  270.702010] lowmem_reserve[]:
[  270.704154]  ? dump_stack_print_info.cold.2+0x52/0x52
[  270.729638]  0
[  270.733273]  warn_alloc.cold.118+0xb7/0x1bd
[  270.736341]  2815
[  270.741521]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.743299]  6318
[  270.747610]  ? lock_downgrade+0x900/0x900
[  270.747633]  ? trace_hardirqs_off+0xb8/0x300
[  270.749665]  6318
[  270.754503]  ? trace_hardirqs_off+0xb8/0x300
[  270.760679]  __alloc_pages_slowpath+0x2667/0x2d80
[  270.765055] Node 0 
[  270.767148]  ? warn_alloc+0x120/0x120
[  270.771534] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  270.776344]  ? warn_alloc+0x120/0x120
[  270.778552] lowmem_reserve[]:
[  270.782343]  ? print_usage_bug+0xc0/0xc0
[  270.809201]  0 0
[  270.813003]  ? warn_alloc+0x120/0x120
[  270.816088]  3503
[  270.820147]  ? print_usage_bug+0xc0/0xc0
[  270.822099]  3503
[  270.825902]  ? __lock_acquire+0x7ec/0x4ec0
[  270.827940] Node 0 
[  270.831995]  ? __lock_acquire+0x7ec/0x4ec0
[  270.834073] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  270.838273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.840480] lowmem_reserve[]:
[  270.844711]  ? should_fail+0x22d/0xd01
[  270.873056]  0
[  270.878605]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.881683]  0
[  270.885567]  ? __lock_acquire+0x7ec/0x4ec0
[  270.887347]  0
[  270.892444]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.894219]  0
[  270.898445]  ? __lock_acquire+0x7ec/0x4ec0
[  270.905321]  ? should_fail+0x22d/0xd01
[  270.907106] Node 0 
[  270.911341]  ? mark_held_locks+0x130/0x130
[  270.915200] DMA: 
[  270.917446]  ? mark_held_locks+0x130/0x130
[  270.921651] 1*4kB 
[  270.923704]  ? graph_lock+0x170/0x170
[  270.927911] (U) 
[  270.930057]  ? graph_lock+0x170/0x170
[  270.933833] 0*8kB 
[  270.935798]  ? graph_lock+0x170/0x170
[  270.939578] 0*16kB 
[  270.941720]  ? print_usage_bug+0xc0/0xc0
[  270.945496] 1*32kB 
[  270.947725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.951756] (U) 
[  270.953984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.959494] 2*64kB 
[  270.961460]  ? check_preemption_disabled+0x48/0x200
[  270.966971] (U) 
[  270.969197]  ? check_preemption_disabled+0x48/0x200
[  270.974186] 1*128kB 
[  270.976170]  ? __lock_is_held+0xb5/0x140
[  270.981151] (U) 
[  270.983469]  __alloc_pages_nodemask+0xa80/0xde0
[  270.987498] 1*256kB 
[  270.989463]  ? graph_lock+0x170/0x170
[  270.994115] (U) 
[  270.996434]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  271.000209] 0*512kB 
[  271.002179]  ? graph_lock+0x170/0x170
[  271.007186] 1*1024kB 
[  271.009512]  ? find_held_lock+0x36/0x1c0
[  271.013281] (U) 
[  271.015691]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.019712] 1*2048kB (M) 
[  271.021690]  ? lock_downgrade+0x900/0x900
[  271.026335] 3*4096kB 
[  271.029104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.033215] (M) 
[  271.035621]  cache_grow_begin+0x91/0x8c0
[  271.041133] = 15908kB
[  271.043111]  ? do_raw_spin_unlock+0xa7/0x2f0
[  271.047145] Node 0 
[  271.049552]  fallback_alloc+0x203/0x2e0
[  271.053929] DMA32: 
[  271.056165]  ____cache_alloc_node+0x1c7/0x1e0
[  271.060113] 1*4kB 
[  271.062347]  kmem_cache_alloc_node+0xe3/0x730
[  271.066813] (M) 
[  271.068957]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.073426] 3*8kB 
[  271.075403]  __alloc_skb+0x119/0x770
[  271.079608] (UM) 
[  271.081754]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  271.085439] 0*16kB 
[  271.087497]  ? skb_scrub_packet+0x490/0x490
[  271.092750] 3*32kB 
[  271.094983]  ? lock_downgrade+0x900/0x900
[  271.099276] (UM) 
[  271.101508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.105627] 2*64kB 
[  271.107683]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.113194] (M) 
[  271.115426]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.120852] 5*128kB 
[  271.122823]  ? addrconf_rs_timer+0x6f0/0x6f0
[  271.128247] (UM) 
[  271.130574]  ndisc_alloc_skb+0x144/0x340
[  271.134948] 3*256kB 
[  271.137008]  ndisc_send_rs+0x331/0x6e0
[  271.141041] (M) 
[  271.143363]  addrconf_rs_timer+0x3c0/0x6f0
[  271.147222] 4*512kB 
[  271.149194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.153400] (M) 
[  271.155728]  call_timer_fn+0x272/0x920
[  271.159926] 3*1024kB 
[  271.161892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.165752] (UM) 
[  271.168157]  ? process_timeout+0x40/0x40
[  271.172367] 3*2048kB 
[  271.174425]  ? find_held_lock+0x36/0x1c0
[  271.178457] (M) 
[  271.180863]  ? __run_timers+0x7da/0xc70
[  271.184894] 3*4096kB 
[  271.186866]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.190811] (M) 
[  271.193216]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.197689] = 25212kB
[  271.199659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.204158] Node 0 
[  271.206560]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  271.210769] Normal: 
[  271.212999]  ? trace_hardirqs_on+0xbd/0x310
[  271.217557] 887*4kB 
[  271.219872]  ? kasan_check_read+0x11/0x20
[  271.224169] (UME) 
[  271.226484]  ? __run_timers+0x7da/0xc70
[  271.230608] 378*8kB 
[  271.232750]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  271.236698] (UMEH) 
[  271.239019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.244458] 172*16kB 
[  271.246689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.250893] (UMEH) 
[  271.253300]  __run_timers+0x7e5/0xc70
[  271.257507] 106*32kB 
[  271.259748]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  271.263514] (UMEH) 
[  271.265919]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  271.271255] 16*64kB 
[  271.273483]  ? graph_lock+0x170/0x170
[  271.278472] (UMH) 
[  271.280791]  ? enqueue_hrtimer+0x1a5/0x560
[  271.284567] 0*128kB 
[  271.286708]  ? lock_release+0x970/0x970
[  271.290918] 1*256kB 
[  271.293230]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  271.297179] (H) 
[  271.299499]  ? find_held_lock+0x36/0x1c0
[  271.304661] 0*512kB 
[  271.306632]  ? graph_lock+0x170/0x170
[  271.310669] 0*1024kB 
[  271.312985]  ? pvclock_read_flags+0x160/0x160
[  271.316761] 0*2048kB 
[  271.319165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.323632] 0*4096kB 
[  271.326037]  ? check_preemption_disabled+0x48/0x200
[  271.331549] = 13996kB
[  271.333959]  ? __lock_is_held+0xb5/0x140
[  271.338949] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  271.341350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.345392] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  271.354212]  ? check_preemption_disabled+0x48/0x200
[  271.359725] 4508 total pagecache pages
[  271.368316]  run_timer_softirq+0x52/0xb0
[  271.373315] 0 pages in swap cache
[  271.377202]  ? rcu_read_lock_sched_held+0x108/0x120
[  271.381240] Swap cache stats: add 0, delete 0, find 0/0
[  271.384699]  __do_softirq+0x30b/0xad8
[  271.389689] Free swap  = 0kB
[  271.395054]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  271.398820] Total swap = 0kB
[  271.401833]  ? pvclock_read_flags+0x160/0x160
[  271.406908] 1965979 pages RAM
[  271.409919]  ? lapic_next_event+0x5a/0x90
[  271.414390] 0 pages HighMem/MovableOnly
[  271.417491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.421617] 343323 pages reserved
[  271.425588]  ? check_preemption_disabled+0x48/0x200
[  271.431110] 0 pages cma reserved
[  271.434556]  ? check_preemption_disabled+0x48/0x200
[  271.439628] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.442911]  ? kvm_clock_read+0x18/0x30
[  271.442925]  ? kvm_sched_clock_read+0x9/0x20
[  271.442943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.447994] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.454419]  ? check_preemption_disabled+0x48/0x200
[  271.458370] ksoftirqd/1 cpuset=
[  271.462779]  irq_exit+0x17f/0x1c0
[  271.468282] /
[  271.479055]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.484050]  mems_allowed=0
[  271.487320]  ? smp_reschedule_interrupt+0x109/0x650
[  271.505201]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.511100]  ? interrupt_entry+0xb5/0xf0
[  271.515167]  ? trace_hardirqs_off_caller+0xbb/0x300
[  271.520182]  ? trace_hardirqs_off_caller+0xbb/0x300
[  271.525199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.530042]  ? trace_hardirqs_off+0x300/0x300
[  271.534536]  ? trace_hardirqs_off+0x300/0x300
[  271.539031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.544575]  ? check_preemption_disabled+0x48/0x200
[  271.549593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.555139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.559991]  apic_timer_interrupt+0xf/0x20
[  271.564218]  </IRQ>
[  271.566456] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  271.571389] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  271.590301] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  271.598016] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  271.605286] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  271.612553] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  271.619819] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  271.627098] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  271.634413]  skb_clone+0x1bb/0x500
[  271.637954]  ? finish_task_switch+0x2f5/0x900
[  271.642453]  ? skb_split+0x11e0/0x11e0
[  271.646340]  ? preempt_notifier_register+0x200/0x200
[  271.651443]  ? __switch_to_asm+0x34/0x70
[  271.655506]  ? __switch_to_asm+0x34/0x70
[  271.659566]  ? __switch_to_asm+0x40/0x70
[  271.663623]  ? __switch_to_asm+0x34/0x70
[  271.667679]  ? __switch_to_asm+0x40/0x70
[  271.671738]  ? __switch_to_asm+0x34/0x70
[  271.675796]  ? __switch_to_asm+0x40/0x70
[  271.679853]  ? __switch_to_asm+0x34/0x70
[  271.683914]  ? __switch_to_asm+0x34/0x70
[  271.687976]  ? __switch_to_asm+0x40/0x70
[  271.692032]  ? __switch_to_asm+0x34/0x70
[  271.696111]  bpf_clone_redirect+0xb9/0x490
[  271.700352]  ? __schedule+0x874/0x1ed0
[  271.704244]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  271.709291]  ? __sched_text_start+0x8/0x8
[  271.713441]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.718210]  ? find_held_lock+0x36/0x1c0
[  271.722283]  ? lock_acquire+0x1ed/0x520
[  271.726259]  ? bpf_test_run+0x32e/0x5a0
[  271.730233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.735773]  ? check_preemption_disabled+0x48/0x200
[  271.740793]  ? kasan_check_read+0x11/0x20
[  271.744947]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  271.750224]  ? rcu_bh_qs+0xc0/0xc0
[  271.753768]  ? preempt_schedule+0x4d/0x60
[  271.757919]  ? ___preempt_schedule+0x16/0x18
[  271.762334]  ? bpf_test_run+0x1c0/0x5a0
[  271.766319]  ? netlink_diag_dump+0x2a0/0x2a0
[  271.770731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.776267]  ? bpf_test_init.isra.9+0x70/0x100
[  271.780855]  ? bpf_prog_test_run_skb+0x634/0xb40
[  271.785623]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.790466]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.796004]  ? fput+0x130/0x1a0
[  271.799288]  ? __bpf_prog_get+0x9b/0x290
[  271.803353]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.808193]  ? bpf_prog_test_run+0x130/0x1a0
[  271.812606]  ? __x64_sys_bpf+0x3d8/0x510
[  271.816669]  ? bpf_prog_get+0x20/0x20
[  271.820493]  ? do_syscall_64+0x1b9/0x820
[  271.824553]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  271.829921]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.834851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.839698]  ? trace_hardirqs_off+0x300/0x300
[  271.844194]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  271.849228]  ? prepare_exit_to_usermode+0x291/0x3b0
[  271.854255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.859135]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  271.864520] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  271.864592] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.871362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.871367] Call Trace:
[  271.871387]  dump_stack+0x1c4/0x2b4
[  271.871410]  ? dump_stack_print_info.cold.2+0x52/0x52
[  271.877940] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.887240]  warn_alloc.cold.118+0xb7/0x1bd
[  271.889790] syz-executor4 cpuset=
[  271.893407]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.898570] syz4
[  271.909053]  ? lock_downgrade+0x900/0x900
[  271.913352]  mems_allowed=0
[  271.916801]  ? trace_hardirqs_off+0xb8/0x300
[  271.935034]  ? trace_hardirqs_off+0xb8/0x300
[  271.939458]  __alloc_pages_slowpath+0x2667/0x2d80
[  271.944338]  ? warn_alloc+0x120/0x120
[  271.948150]  ? warn_alloc+0x120/0x120
[  271.951955]  ? print_usage_bug+0xc0/0xc0
[  271.956019]  ? warn_alloc+0x120/0x120
[  271.959827]  ? print_usage_bug+0xc0/0xc0
[  271.963891]  ? __lock_acquire+0x7ec/0x4ec0
[  271.968131]  ? __lock_acquire+0x7ec/0x4ec0
[  271.972369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.977908]  ? should_fail+0x22d/0xd01
[  271.981804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.986906]  ? __lock_acquire+0x7ec/0x4ec0
[  271.991154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.996261]  ? __lock_acquire+0x7ec/0x4ec0
[  272.000493]  ? should_fail+0x22d/0xd01
[  272.004391]  ? mark_held_locks+0x130/0x130
[  272.008635]  ? mark_held_locks+0x130/0x130
[  272.012873]  ? graph_lock+0x170/0x170
[  272.016674]  ? graph_lock+0x170/0x170
[  272.020479]  ? graph_lock+0x170/0x170
[  272.024279]  ? print_usage_bug+0xc0/0xc0
[  272.028345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.033883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.039418]  ? check_preemption_disabled+0x48/0x200
[  272.044432]  ? check_preemption_disabled+0x48/0x200
[  272.049459]  ? __lock_is_held+0xb5/0x140
[  272.053532]  __alloc_pages_nodemask+0xa80/0xde0
[  272.058204]  ? graph_lock+0x170/0x170
[  272.062010]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  272.067024]  ? graph_lock+0x170/0x170
[  272.070853]  ? find_held_lock+0x36/0x1c0
[  272.074941]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.079619]  ? lock_downgrade+0x900/0x900
[  272.083789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.089335]  cache_grow_begin+0x91/0x8c0
[  272.093401]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.097826]  fallback_alloc+0x203/0x2e0
[  272.101807]  ____cache_alloc_node+0x1c7/0x1e0
[  272.106316]  kmem_cache_alloc_node+0xe3/0x730
[  272.110816]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.115061]  __alloc_skb+0x119/0x770
[  272.118787]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.124066]  ? skb_scrub_packet+0x490/0x490
[  272.128394]  ? lock_downgrade+0x900/0x900
[  272.132553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.138099]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.143563]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.149020]  ? addrconf_rs_timer+0x6f0/0x6f0
[  272.153443]  ndisc_alloc_skb+0x144/0x340
[  272.157510]  ndisc_send_rs+0x331/0x6e0
[  272.161407]  addrconf_rs_timer+0x3c0/0x6f0
[  272.165648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.169899]  call_timer_fn+0x272/0x920
[  272.173792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.178029]  ? process_timeout+0x40/0x40
[  272.182097]  ? find_held_lock+0x36/0x1c0
[  272.186172]  ? __run_timers+0x7da/0xc70
[  272.190153]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.194661]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.199157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.203396]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  272.207984]  ? trace_hardirqs_on+0xbd/0x310
[  272.212309]  ? kasan_check_read+0x11/0x20
[  272.216473]  ? __run_timers+0x7da/0xc70
[  272.220454]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.225911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.230162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.234399]  __run_timers+0x7e5/0xc70
[  272.238218]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  272.243586]  ? compat_start_thread+0x80/0x80
[  272.248011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.253557]  ? kasan_check_write+0x14/0x20
[  272.257826]  ? finish_task_switch+0x2f5/0x900
[  272.262325]  ? __switch_to_asm+0x40/0x70
[  272.266392]  ? preempt_notifier_register+0x200/0x200
[  272.271494]  ? __switch_to_asm+0x34/0x70
[  272.275555]  ? __switch_to_asm+0x40/0x70
[  272.279620]  ? __switch_to_asm+0x34/0x70
[  272.283680]  ? __switch_to_asm+0x40/0x70
[  272.287753]  ? __switch_to_asm+0x34/0x70
[  272.291813]  ? __switch_to_asm+0x40/0x70
[  272.295886]  ? pvclock_read_flags+0x160/0x160
[  272.300389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.305925]  ? check_preemption_disabled+0x48/0x200
[  272.310954]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  272.316492]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.321769]  ? rcu_pm_notify+0xc0/0xc0
[  272.325661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.331198]  ? check_preemption_disabled+0x48/0x200
[  272.336483]  run_timer_softirq+0x52/0xb0
[  272.340544]  ? rcu_read_lock_sched_held+0x108/0x120
[  272.345564]  __do_softirq+0x30b/0xad8
[  272.349386]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  272.354503]  ? schedule+0x108/0x460
[  272.358139]  ? __schedule+0x1ed0/0x1ed0
[  272.362124]  ? trace_hardirqs_off+0xb8/0x300
[  272.366534]  ? ___might_sleep+0x1ed/0x300
[  272.370684]  ? smpboot_thread_fn+0x68b/0xa00
[  272.375104]  ? trace_hardirqs_on+0x310/0x310
[  272.379517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.385154]  ? check_preemption_disabled+0x48/0x200
[  272.390168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.395708]  ? takeover_tasklets+0xa90/0xa90
[  272.400126]  run_ksoftirqd+0x94/0x100
[  272.403930]  smpboot_thread_fn+0x68b/0xa00
[  272.408172]  ? sort_range+0x30/0x30
[  272.411799]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.416910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.422447]  ? __kthread_parkme+0xfb/0x1a0
[  272.426691]  kthread+0x35a/0x420
[  272.430057]  ? sort_range+0x30/0x30
[  272.433691]  ? kthread_bind+0x40/0x40
[  272.437498]  ret_from_fork+0x3a/0x50
[  272.441226] warn_alloc_show_mem: 1 callbacks suppressed
[  272.441238] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  272.441240] Mem-Info:
[  272.441272] active_anon:44072 inactive_anon:951 isolated_anon:0
[  272.441272]  active_file:15 inactive_file:18 isolated_file:0
[  272.441272]  unevictable:0 dirty:0 writeback:0 unstable:0
[  272.441272]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  272.441272]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  272.441272]  free:13779 free_pcp:230 free_cma:0
[  272.446600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.446608] Call Trace:
[  272.453801] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  272.456198]  <IRQ>
[  272.489148] Node 0 
[  272.498499]  dump_stack+0x1c4/0x2b4
[  272.501092] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  272.528825]  ? dump_stack_print_info.cold.2+0x52/0x52
[  272.530949] lowmem_reserve[]:
[  272.533203]  warn_alloc.cold.118+0xb7/0x1bd
[  272.536796]  0
[  272.562299]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.567463]  2815
[  272.570564]  ? lock_downgrade+0x900/0x900
[  272.574856]  6318
[  272.576655]  ? trace_hardirqs_off+0xb8/0x300
[  272.581464]  6318
[  272.583520]  ? trace_hardirqs_off+0xb8/0x300
[  272.589696]  __alloc_pages_slowpath+0x2667/0x2d80
[  272.594073] Node 0 
[  272.596166]  ? warn_alloc+0x120/0x120
[  272.600546] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  272.605582]  ? warn_alloc+0x120/0x120
[  272.607805] lowmem_reserve[]:
[  272.611599]  ? print_usage_bug+0xc0/0xc0
[  272.638490]  0
[  272.642285]  ? warn_alloc+0x120/0x120
[  272.645367]  0
[  272.649422]  ? print_usage_bug+0xc0/0xc0
[  272.651199]  3503
[  272.654991]  ? __lock_acquire+0x7ec/0x4ec0
[  272.656767]  3503
[  272.660821]  ? __lock_acquire+0x7ec/0x4ec0
[  272.667109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.669142] Node 0 
[  272.673375]  ? should_fail+0x22d/0xd01
[  272.678924] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  272.681134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.684994] lowmem_reserve[]:
[  272.713351]  ? __lock_acquire+0x7ec/0x4ec0
[  272.718426]  0
[  272.721528]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.725746]  0
[  272.727540]  ? __lock_acquire+0x7ec/0x4ec0
[  272.732619]  0
[  272.734414]  ? should_fail+0x22d/0xd01
[  272.738622]  0
[  272.740421]  ? mark_held_locks+0x130/0x130
[  272.746071]  ? mark_held_locks+0x130/0x130
[  272.750295] Node 0 DMA: 
[  272.754522]  ? graph_lock+0x170/0x170
[  272.754536]  ? graph_lock+0x170/0x170
[  272.757187] 1*4kB 
[  272.760975]  ? graph_lock+0x170/0x170
[  272.764747] (U) 
[  272.766890]  ? print_usage_bug+0xc0/0xc0
[  272.770666] 0*8kB 
[  272.772639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.776673] 0*16kB 
[  272.778815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.784324] 1*32kB 
[  272.786551]  ? check_preemption_disabled+0x48/0x200
[  272.792060] (U) 
[  272.794294]  ? check_preemption_disabled+0x48/0x200
[  272.799286] 2*64kB 
[  272.801260]  ? __lock_is_held+0xb5/0x140
[  272.806243] (U) 
[  272.808480]  __alloc_pages_nodemask+0xa80/0xde0
[  272.812512] 1*128kB 
[  272.814480]  ? graph_lock+0x170/0x170
[  272.819137] (U) 
[  272.821484]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  272.825258] 1*256kB 
[  272.827227]  ? graph_lock+0x170/0x170
[  272.832217] (U) 
[  272.834538]  ? find_held_lock+0x36/0x1c0
[  272.838305] 0*512kB 
[  272.840283]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.844310] 1*1024kB 
[  272.846625]  ? lock_downgrade+0x900/0x900
[  272.851268] (U) 
[  272.853675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.857797] 1*2048kB 
[  272.859765]  cache_grow_begin+0x91/0x8c0
[  272.865274] (M) 
[  272.867681]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.871718] 3*4096kB 
[  272.873689]  fallback_alloc+0x203/0x2e0
[  272.878067] (M) 
[  272.880534]  ____cache_alloc_node+0x1c7/0x1e0
[  272.884497] = 15908kB
[  272.886468]  kmem_cache_alloc_node+0xe3/0x730
[  272.890936] Node 0 
[  272.893344]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.897809] DMA32: 
[  272.900048]  __alloc_skb+0x119/0x770
[  272.904252] 1*4kB 
[  272.906486]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.910171] (M) 
[  272.912314]  ? skb_scrub_packet+0x490/0x490
[  272.917557] 3*8kB (UM) 
[  272.919533]  ? lock_downgrade+0x900/0x900
[  272.923827] 0*16kB 
[  272.926406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.930526] 3*32kB 
[  272.932759]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.938268] (UM) 
[  272.940500]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.945924] 2*64kB 
[  272.947983]  ? addrconf_rs_timer+0x6f0/0x6f0
[  272.953408] (M) 
[  272.955650]  ndisc_alloc_skb+0x144/0x340
[  272.960024] 5*128kB 
[  272.961992]  ndisc_send_rs+0x331/0x6e0
[  272.966028] (UM) 
[  272.968347]  addrconf_rs_timer+0x3c0/0x6f0
[  272.972203] 3*256kB (M) 
[  272.974272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.978482] 4*512kB 
[  272.981157]  call_timer_fn+0x272/0x920
[  272.985354] (M) 
[  272.987677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.991536] 3*1024kB 
[  272.993507]  ? process_timeout+0x40/0x40
[  272.997713] (UM) 
[  273.000999]  ? find_held_lock+0x36/0x1c0
[  273.005034] 3*2048kB 
[  273.007129]  ? __run_timers+0x7da/0xc70
[  273.011162] (M) 
[  273.013568]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.017533] 3*4096kB 
[  273.019511]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.023979] (M) 
[  273.026393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.030857] = 25212kB
[  273.030866] Node 0 
[  273.032837]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  273.037045] Normal: 
[  273.039457]  ? trace_hardirqs_on+0xbd/0x310
[  273.041668] 887*4kB 
[  273.046242]  ? kasan_check_read+0x11/0x20
[  273.048541] (UME) 
[  273.052855]  ? __run_timers+0x7da/0xc70
[  273.055154] 378*8kB 
[  273.059292]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.061416] (UMEH) 
[  273.065383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.067680] 172*16kB 
[  273.073137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.075348] (UMEH) 
[  273.079576]  __run_timers+0x7e5/0xc70
[  273.081964] 106*32kB 
[  273.086200]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  273.088399] (UMEH) 
[  273.092196]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  273.094583] 16*64kB 
[  273.099938]  ? graph_lock+0x170/0x170
[  273.102149] (UMH) 
[  273.107156]  ? enqueue_hrtimer+0x1a5/0x560
[  273.109480] 0*128kB 
[  273.113276]  ? lock_release+0x970/0x970
[  273.115416] 1*256kB 
[  273.119643]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  273.121944] (H) 
[  273.125913]  ? find_held_lock+0x36/0x1c0
[  273.128210] 0*512kB 
[  273.133398]  ? graph_lock+0x170/0x170
[  273.135349] 0*1024kB 
[  273.139400]  ? pvclock_read_flags+0x160/0x160
[  273.141700] 0*2048kB 
[  273.145508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.147891] 0*4096kB 
[  273.152380]  ? check_preemption_disabled+0x48/0x200
[  273.154769] = 13996kB
[  273.160308]  ? __lock_is_held+0xb5/0x140
[  273.162691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  273.167693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.170092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  273.174144]  ? check_preemption_disabled+0x48/0x200
[  273.182955] 4508 total pagecache pages
[  273.188490]  run_timer_softirq+0x52/0xb0
[  273.197041] 0 pages in swap cache
[  273.202061]  ? rcu_read_lock_sched_held+0x108/0x120
[  273.205928] Swap cache stats: add 0, delete 0, find 0/0
[  273.209980]  __do_softirq+0x30b/0xad8
[  273.213407] Free swap  = 0kB
[  273.218424]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  273.223754] Total swap = 0kB
[  273.227551]  ? pvclock_read_flags+0x160/0x160
[  273.230545] 1965979 pages RAM
[  273.235637]  ? lapic_next_event+0x5a/0x90
[  273.238631] 0 pages HighMem/MovableOnly
[  273.243131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.246212] 343323 pages reserved
[  273.250368]  ? check_preemption_disabled+0x48/0x200
[  273.254319] 0 pages cma reserved
[  273.259847]  ? check_preemption_disabled+0x48/0x200
[  273.263346] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.268284]  ? kvm_clock_read+0x18/0x30
[  273.271718] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.276640]  ? kvm_sched_clock_read+0x9/0x20
[  273.283125] ksoftirqd/1 cpuset=
[  273.287106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.297383] /
[  273.301787]  ? check_preemption_disabled+0x48/0x200
[  273.305044]  mems_allowed=0
[  273.310582]  irq_exit+0x17f/0x1c0
[  273.323650]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.328497]  ? smp_reschedule_interrupt+0x109/0x650
[  273.333515]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.339404]  ? interrupt_entry+0xb5/0xf0
[  273.343468]  ? trace_hardirqs_off_caller+0xbb/0x300
[  273.348485]  ? trace_hardirqs_off_caller+0xbb/0x300
[  273.353505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.358352]  ? trace_hardirqs_off+0x300/0x300
[  273.362852]  ? trace_hardirqs_off+0x300/0x300
[  273.367350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.372903]  ? check_preemption_disabled+0x48/0x200
[  273.377920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.383477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.388336]  apic_timer_interrupt+0xf/0x20
[  273.392568]  </IRQ>
[  273.394815] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  273.399745] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  273.418647] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  273.426355] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  273.433628] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  273.440895] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  273.448166] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  273.455436] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  273.462749]  skb_clone+0x1bb/0x500
[  273.466295]  ? finish_task_switch+0x2f5/0x900
[  273.470794]  ? skb_split+0x11e0/0x11e0
[  273.475157]  ? preempt_notifier_register+0x200/0x200
[  273.480262]  ? __switch_to_asm+0x34/0x70
[  273.484342]  ? __switch_to_asm+0x34/0x70
[  273.488410]  ? __switch_to_asm+0x40/0x70
[  273.492468]  ? __switch_to_asm+0x34/0x70
[  273.496530]  ? __switch_to_asm+0x40/0x70
[  273.500595]  ? __switch_to_asm+0x34/0x70
[  273.504671]  ? __switch_to_asm+0x40/0x70
[  273.508729]  ? __switch_to_asm+0x34/0x70
[  273.512791]  ? __switch_to_asm+0x34/0x70
[  273.516850]  ? __switch_to_asm+0x40/0x70
[  273.520910]  ? __switch_to_asm+0x34/0x70
[  273.524981]  bpf_clone_redirect+0xb9/0x490
[  273.529222]  ? __schedule+0x874/0x1ed0
[  273.533127]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  273.538146]  ? __sched_text_start+0x8/0x8
[  273.542314]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.547100]  ? find_held_lock+0x36/0x1c0
[  273.551177]  ? lock_acquire+0x1ed/0x520
[  273.555153]  ? bpf_test_run+0x32e/0x5a0
[  273.559136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.564679]  ? check_preemption_disabled+0x48/0x200
[  273.569699]  ? kasan_check_read+0x11/0x20
[  273.573852]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  273.579136]  ? rcu_bh_qs+0xc0/0xc0
[  273.582682]  ? preempt_schedule+0x4d/0x60
[  273.586836]  ? ___preempt_schedule+0x16/0x18
[  273.591257]  ? bpf_test_run+0x1c0/0x5a0
[  273.596141]  ? netlink_diag_dump+0x2a0/0x2a0
[  273.600560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.606116]  ? bpf_test_init.isra.9+0x70/0x100
[  273.610707]  ? bpf_prog_test_run_skb+0x634/0xb40
[  273.615474]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  273.620319]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  273.625857]  ? fput+0x130/0x1a0
[  273.629156]  ? __bpf_prog_get+0x9b/0x290
[  273.633219]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  273.638063]  ? bpf_prog_test_run+0x130/0x1a0
[  273.642490]  ? __x64_sys_bpf+0x3d8/0x510
[  273.646554]  ? bpf_prog_get+0x20/0x20
[  273.650382]  ? do_syscall_64+0x1b9/0x820
[  273.654449]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  273.659817]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.664749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.669599]  ? trace_hardirqs_off+0x300/0x300
[  273.674110]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  273.679174]  ? prepare_exit_to_usermode+0x291/0x3b0
[  273.684200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.689054]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  273.694445] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  273.694515] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.701286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.701292] Call Trace:
[  273.701310]  dump_stack+0x1c4/0x2b4
[  273.701330]  ? dump_stack_print_info.cold.2+0x52/0x52
[  273.707937] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.717166]  warn_alloc.cold.118+0xb7/0x1bd
[  273.719723] syz-executor4 cpuset=
[  273.723346]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.728510] syz4
[  273.739003]  ? lock_downgrade+0x900/0x900
[  273.743306]  mems_allowed=0
[  273.746757]  ? trace_hardirqs_off+0xb8/0x300
[  273.764992]  ? trace_hardirqs_off+0xb8/0x300
[  273.769415]  __alloc_pages_slowpath+0x2667/0x2d80
[  273.774289]  ? warn_alloc+0x120/0x120
[  273.778104]  ? warn_alloc+0x120/0x120
[  273.781915]  ? print_usage_bug+0xc0/0xc0
[  273.785980]  ? warn_alloc+0x120/0x120
[  273.789801]  ? print_usage_bug+0xc0/0xc0
[  273.793893]  ? __lock_acquire+0x7ec/0x4ec0
[  273.798132]  ? __lock_acquire+0x7ec/0x4ec0
[  273.802371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.807913]  ? should_fail+0x22d/0xd01
[  273.811808]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.816916]  ? __lock_acquire+0x7ec/0x4ec0
[  273.821160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.826261]  ? __lock_acquire+0x7ec/0x4ec0
[  273.830498]  ? should_fail+0x22d/0xd01
[  273.834385]  ? print_usage_bug+0xc0/0xc0
[  273.838458]  ? mark_held_locks+0x130/0x130
[  273.842702]  ? mark_held_locks+0x130/0x130
[  273.847034]  ? graph_lock+0x170/0x170
[  273.850838]  ? print_usage_bug+0xc0/0xc0
[  273.854904]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.859665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.865205]  ? check_preemption_disabled+0x48/0x200
[  273.870219]  ? check_preemption_disabled+0x48/0x200
[  273.875250]  ? __lock_is_held+0xb5/0x140
[  273.879322]  __alloc_pages_nodemask+0xa80/0xde0
[  273.883994]  ? graph_lock+0x170/0x170
[  273.887804]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  273.892821]  ? graph_lock+0x170/0x170
[  273.896639]  ? find_held_lock+0x36/0x1c0
[  273.900712]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.905384]  ? lock_downgrade+0x900/0x900
[  273.909541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.915096]  cache_grow_begin+0x91/0x8c0
[  273.919164]  ? do_raw_spin_unlock+0xa7/0x2f0
[  273.923582]  fallback_alloc+0x203/0x2e0
[  273.927573]  ____cache_alloc_node+0x1c7/0x1e0
[  273.932092]  kmem_cache_alloc_node+0xe3/0x730
[  273.936592]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.940846]  __alloc_skb+0x119/0x770
[  273.944564]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  273.949853]  ? skb_scrub_packet+0x490/0x490
[  273.954177]  ? lock_downgrade+0x900/0x900
[  273.958333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.963872]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.969332]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.974792]  ? addrconf_rs_timer+0x6f0/0x6f0
[  273.979218]  ndisc_alloc_skb+0x144/0x340
[  273.983288]  ndisc_send_rs+0x331/0x6e0
[  273.987205]  addrconf_rs_timer+0x3c0/0x6f0
[  273.991454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.995705]  call_timer_fn+0x272/0x920
[  273.999593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.003879]  ? process_timeout+0x40/0x40
[  274.007941]  ? find_held_lock+0x36/0x1c0
[  274.012011]  ? __run_timers+0x7da/0xc70
[  274.016005]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.020506]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.025001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.029240]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  274.033848]  ? trace_hardirqs_on+0xbd/0x310
[  274.038181]  ? kasan_check_read+0x11/0x20
[  274.042330]  ? __run_timers+0x7da/0xc70
[  274.046310]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.051771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.056013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.060253]  __run_timers+0x7e5/0xc70
[  274.064078]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  274.069456]  ? compat_start_thread+0x80/0x80
[  274.073874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.079418]  ? kasan_check_write+0x14/0x20
[  274.083665]  ? finish_task_switch+0x2f5/0x900
[  274.088165]  ? __switch_to_asm+0x40/0x70
[  274.092234]  ? preempt_notifier_register+0x200/0x200
[  274.097342]  ? __switch_to_asm+0x34/0x70
[  274.101405]  ? __switch_to_asm+0x40/0x70
[  274.105464]  ? __switch_to_asm+0x34/0x70
[  274.109526]  ? __switch_to_asm+0x40/0x70
[  274.113585]  ? __switch_to_asm+0x34/0x70
[  274.117667]  ? __switch_to_asm+0x40/0x70
[  274.121741]  ? pvclock_read_flags+0x160/0x160
[  274.126242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.131777]  ? check_preemption_disabled+0x48/0x200
[  274.136824]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  274.142361]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  274.147641]  ? rcu_pm_notify+0xc0/0xc0
[  274.151530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.157065]  ? check_preemption_disabled+0x48/0x200
[  274.162122]  run_timer_softirq+0x52/0xb0
[  274.166189]  ? rcu_read_lock_sched_held+0x108/0x120
[  274.171207]  __do_softirq+0x30b/0xad8
[  274.175025]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  274.180142]  ? schedule+0x108/0x460
[  274.183776]  ? __schedule+0x1ed0/0x1ed0
[  274.187761]  ? trace_hardirqs_off+0xb8/0x300
[  274.192173]  ? ___might_sleep+0x1ed/0x300
[  274.196326]  ? smpboot_thread_fn+0x68b/0xa00
[  274.200734]  ? trace_hardirqs_on+0x310/0x310
[  274.205150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.210690]  ? check_preemption_disabled+0x48/0x200
[  274.215708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.221251]  ? takeover_tasklets+0xa90/0xa90
[  274.225667]  run_ksoftirqd+0x94/0x100
[  274.229469]  smpboot_thread_fn+0x68b/0xa00
[  274.233710]  ? sort_range+0x30/0x30
[  274.237344]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.242452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.247991]  ? __kthread_parkme+0xfb/0x1a0
[  274.252241]  kthread+0x35a/0x420
[  274.255613]  ? sort_range+0x30/0x30
[  274.259245]  ? kthread_bind+0x40/0x40
[  274.263054]  ret_from_fork+0x3a/0x50
[  274.266799] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  274.266805] warn_alloc_show_mem: 1 callbacks suppressed
[  274.266812] Mem-Info:
[  274.273993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.279360] active_anon:44072 inactive_anon:951 isolated_anon:0
[  274.279360]  active_file:15 inactive_file:18 isolated_file:0
[  274.279360]  unevictable:0 dirty:0 writeback:0 unstable:0
[  274.279360]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  274.279360]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  274.279360]  free:13779 free_pcp:230 free_cma:0
[  274.281730] Call Trace:
[  274.291129] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  274.324062]  <IRQ>
[  274.326639] Node 0 
[  274.354394]  dump_stack+0x1c4/0x2b4
[  274.356541] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  274.358750]  ? dump_stack_print_info.cold.2+0x52/0x52
[  274.362345] lowmem_reserve[]: 0
[  274.387868]  warn_alloc.cold.118+0xb7/0x1bd
[  274.393026]  2815
[  274.396302]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.400602]  6318
[  274.402660]  ? lock_downgrade+0x900/0x900
[  274.407474]  6318
[  274.409535]  ? trace_hardirqs_off+0xb8/0x300
[  274.415714]  ? trace_hardirqs_off+0xb8/0x300
[  274.420106] Node 0 DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  274.424538]  __alloc_pages_slowpath+0x2667/0x2d80
[  274.424581]  ? warn_alloc+0x120/0x120
[  274.452034] lowmem_reserve[]:
[  274.456879]  ? warn_alloc+0x120/0x120
[  274.460646]  0
[  274.463748]  ? print_usage_bug+0xc0/0xc0
[  274.467525]  0
[  274.469321]  ? warn_alloc+0x120/0x120
[  274.473361]  3503
[  274.475176]  ? print_usage_bug+0xc0/0xc0
[  274.478955]  3503
[  274.481014]  ? __lock_acquire+0x7ec/0x4ec0
[  274.487137]  ? __lock_acquire+0x7ec/0x4ec0
[  274.491348] Node 0 
[  274.495582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.495623] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  274.497824]  ? should_fail+0x22d/0xd01
[  274.503335] lowmem_reserve[]:
[  274.531786]  ? __lock_acquire+0x7ec/0x4ec0
[  274.535653]  0
[  274.538755]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.542966]  0
[  274.544767]  ? __lock_acquire+0x7ec/0x4ec0
[  274.549844]  0
[  274.551646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.555849]  0
[  274.557647]  ? __lock_acquire+0x7ec/0x4ec0
[  274.564522]  ? should_fail+0x22d/0xd01
[  274.568732] Node 0 DMA: 
[  274.572623]  ? mark_held_locks+0x130/0x130
[  274.572641]  ? mark_held_locks+0x130/0x130
[  274.575292] 1*4kB 
[  274.579556]  ? graph_lock+0x170/0x170
[  274.583760] (U) 
[  274.585903]  ? print_usage_bug+0xc0/0xc0
[  274.589682] 0*8kB 
[  274.591653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.595687] 0*16kB 
[  274.597833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.603344] 1*32kB 
[  274.605751]  ? check_preemption_disabled+0x48/0x200
[  274.611271] (U) 
[  274.613504]  ? check_preemption_disabled+0x48/0x200
[  274.618495] 2*64kB 
[  274.620470]  ? __lock_is_held+0xb5/0x140
[  274.625453] (U) 
[  274.627687]  __alloc_pages_nodemask+0xa80/0xde0
[  274.631723] 1*128kB 
[  274.633692]  ? graph_lock+0x170/0x170
[  274.638334] (U) 
[  274.640654]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  274.644430] 1*256kB 
[  274.646400]  ? graph_lock+0x170/0x170
[  274.651390] (U) 
[  274.653712]  ? find_held_lock+0x36/0x1c0
[  274.657481] 0*512kB 
[  274.659457]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.663484] 1*1024kB 
[  274.665798]  ? lock_downgrade+0x900/0x900
[  274.670443] (U) 
[  274.672855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.676987] 1*2048kB 
[  274.678957]  cache_grow_begin+0x91/0x8c0
[  274.684464] (M) 
[  274.686870]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.690920] 3*4096kB 
[  274.692896]  fallback_alloc+0x203/0x2e0
[  274.697276] (M) 
[  274.699686]  ____cache_alloc_node+0x1c7/0x1e0
[  274.703631] = 15908kB
[  274.705603]  kmem_cache_alloc_node+0xe3/0x730
[  274.710249] Node 0 
[  274.712656]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.717126] DMA32: 
[  274.719362]  __alloc_skb+0x119/0x770
[  274.723572] 1*4kB 
[  274.725807]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  274.729493] (M) 
[  274.731640]  ? skb_scrub_packet+0x490/0x490
[  274.736891] 3*8kB 
[  274.738860]  ? lock_downgrade+0x900/0x900
[  274.743163] (UM) 
[  274.745310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.749429] 0*16kB 
[  274.751489]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.757000] 3*32kB 
[  274.759233]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.764656] (UM) 
[  274.766908]  ? addrconf_rs_timer+0x6f0/0x6f0
[  274.772335] 2*64kB 
[  274.774410]  ndisc_alloc_skb+0x144/0x340
[  274.778782] (M) 
[  274.781013]  ndisc_send_rs+0x331/0x6e0
[  274.785048] 5*128kB 
[  274.787019]  addrconf_rs_timer+0x3c0/0x6f0
[  274.790879] (UM) 
[  274.793199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.797407] 3*256kB 
[  274.799482]  call_timer_fn+0x272/0x920
[  274.803699] (M) 
[  274.806050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.809935] 4*512kB 
[  274.811904]  ? process_timeout+0x40/0x40
[  274.816117] (M) 
[  274.818436]  ? find_held_lock+0x36/0x1c0
[  274.822474] 3*1024kB 
[  274.824454]  ? __run_timers+0x7da/0xc70
[  274.828483] (UM) 
[  274.830887]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.834836] 3*2048kB 
[  274.836892]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.841362] (M) 
[  274.843766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.848237] 3*4096kB 
[  274.850206]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  274.854413] (M) 
[  274.856820]  ? trace_hardirqs_on+0xbd/0x310
[  274.861377] = 25212kB
[  274.863342]  ? kasan_check_read+0x11/0x20
[  274.867640] Node 0 
[  274.870046]  ? __run_timers+0x7da/0xc70
[  274.874169] Normal: 
[  274.876404]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.880354] 887*4kB 
[  274.882681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.888113] (UME) 
[  274.890444]  __run_timers+0x7e5/0xc70
[  274.894655] 378*8kB 
[  274.896806]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  274.900570] (UMEH) 
[  274.902889]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.908244] 172*16kB 
[  274.910471]  ? graph_lock+0x170/0x170
[  274.915461] (UMEH) 
[  274.917866]  ? enqueue_hrtimer+0x1a5/0x560
[  274.921640] 106*32kB 
[  274.923868]  ? lock_release+0x970/0x970
[  274.928078] (UMEH) 
[  274.930492]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  274.934444] 16*64kB 
[  274.936674]  ? find_held_lock+0x36/0x1c0
[  274.941836] (UMH) 
[  274.944160]  ? graph_lock+0x170/0x170
[  274.948198] 0*128kB 
[  274.950339]  ? pvclock_read_flags+0x160/0x160
[  274.954117] 1*256kB 
[  274.956435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.960901] (H) 
[  274.963221]  ? check_preemption_disabled+0x48/0x200
[  274.968735] 0*512kB 
[  274.970711]  ? __lock_is_held+0xb5/0x140
[  274.975695] 0*1024kB 
[  274.978011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.982049] 0*2048kB 
[  274.984454]  ? check_preemption_disabled+0x48/0x200
[  274.989970] 0*4096kB 
[  274.992381]  run_timer_softirq+0x52/0xb0
[  274.997365] = 13996kB
[  274.999769]  ? rcu_read_lock_sched_held+0x108/0x120
[  275.003811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  275.006212]  __do_softirq+0x30b/0xad8
[  275.011208] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  275.020041]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  275.023812] 4508 total pagecache pages
[  275.032379]  ? pvclock_read_flags+0x160/0x160
[  275.037464] 0 pages in swap cache
[  275.041335]  ? lapic_next_event+0x5a/0x90
[  275.045811] Swap cache stats: add 0, delete 0, find 0/0
[  275.049254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.053375] Free swap  = 0kB
[  275.058733]  ? check_preemption_disabled+0x48/0x200
[  275.064247] Total swap = 0kB
[  275.067257]  ? check_preemption_disabled+0x48/0x200
[  275.072249] 1965979 pages RAM
[  275.075261]  ? kvm_clock_read+0x18/0x30
[  275.080250] 0 pages HighMem/MovableOnly
[  275.083348]  ? kvm_sched_clock_read+0x9/0x20
[  275.087297] 343323 pages reserved
[  275.091267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.095647] 0 pages cma reserved
[  275.095731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.099118]  ? check_preemption_disabled+0x48/0x200
[  275.104759] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.108018]  irq_exit+0x17f/0x1c0
[  275.114478] ksoftirqd/1 cpuset=
[  275.119492]  smp_apic_timer_interrupt+0x1cb/0x760
[  275.129778] /
[  275.133226]  ? smp_reschedule_interrupt+0x109/0x650
[  275.136489]  mems_allowed=0
[  275.141326]  ? smp_call_function_single_interrupt+0x650/0x650
[  275.156820]  ? interrupt_entry+0xb5/0xf0
[  275.160890]  ? trace_hardirqs_off_caller+0xbb/0x300
[  275.165907]  ? trace_hardirqs_off_caller+0xbb/0x300
[  275.170925]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.175768]  ? trace_hardirqs_off+0x300/0x300
[  275.180272]  ? trace_hardirqs_off+0x300/0x300
[  275.184771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.190311]  ? check_preemption_disabled+0x48/0x200
[  275.195326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.200874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.205727]  apic_timer_interrupt+0xf/0x20
[  275.209957]  </IRQ>
[  275.212202] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  275.217137] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  275.236042] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  275.243763] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  275.251033] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  275.258320] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  275.265586] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  275.272857] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  275.280170]  skb_clone+0x1bb/0x500
[  275.283717]  ? finish_task_switch+0x2f5/0x900
[  275.288226]  ? skb_split+0x11e0/0x11e0
[  275.292129]  ? preempt_notifier_register+0x200/0x200
[  275.297256]  ? __switch_to_asm+0x34/0x70
[  275.301328]  ? __switch_to_asm+0x34/0x70
[  275.305389]  ? __switch_to_asm+0x40/0x70
[  275.309463]  ? __switch_to_asm+0x34/0x70
[  275.313524]  ? __switch_to_asm+0x40/0x70
[  275.317586]  ? __switch_to_asm+0x34/0x70
[  275.321645]  ? __switch_to_asm+0x40/0x70
[  275.325708]  ? __switch_to_asm+0x34/0x70
[  275.329771]  ? __switch_to_asm+0x34/0x70
[  275.333832]  ? __switch_to_asm+0x40/0x70
[  275.337901]  ? __switch_to_asm+0x34/0x70
[  275.341975]  bpf_clone_redirect+0xb9/0x490
[  275.346214]  ? __schedule+0x874/0x1ed0
[  275.350122]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  275.355148]  ? __sched_text_start+0x8/0x8
[  275.359300]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  275.364071]  ? find_held_lock+0x36/0x1c0
[  275.368156]  ? lock_acquire+0x1ed/0x520
[  275.372130]  ? bpf_test_run+0x32e/0x5a0
[  275.376118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.381660]  ? check_preemption_disabled+0x48/0x200
[  275.386682]  ? kasan_check_read+0x11/0x20
[  275.390835]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.396121]  ? rcu_bh_qs+0xc0/0xc0
[  275.399668]  ? preempt_schedule+0x4d/0x60
[  275.403816]  ? ___preempt_schedule+0x16/0x18
[  275.408237]  ? bpf_test_run+0x1c0/0x5a0
[  275.412227]  ? netlink_diag_dump+0x2a0/0x2a0
[  275.416642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.422178]  ? bpf_test_init.isra.9+0x70/0x100
[  275.426769]  ? bpf_prog_test_run_skb+0x634/0xb40
[  275.431535]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  275.436378]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  275.441915]  ? fput+0x130/0x1a0
[  275.445196]  ? __bpf_prog_get+0x9b/0x290
[  275.449261]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  275.454118]  ? bpf_prog_test_run+0x130/0x1a0
[  275.458533]  ? __x64_sys_bpf+0x3d8/0x510
[  275.462596]  ? bpf_prog_get+0x20/0x20
[  275.466425]  ? do_syscall_64+0x1b9/0x820
[  275.470506]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  275.476371]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.481306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.486153]  ? trace_hardirqs_off+0x300/0x300
[  275.490654]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  275.495678]  ? prepare_exit_to_usermode+0x291/0x3b0
[  275.500705]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.505564]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  275.510953] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  275.511023] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.517796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.517805] Call Trace:
[  275.524377] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.533645]  dump_stack+0x1c4/0x2b4
[  275.536208] syz-executor4 cpuset=
[  275.546713]  ? dump_stack_print_info.cold.2+0x52/0x52
[  275.550316] syz4
[  275.553777]  warn_alloc.cold.118+0xb7/0x1bd
[  275.558935]  mems_allowed=0
[  275.560903]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.572955]  ? lock_downgrade+0x900/0x900
[  275.577125]  ? trace_hardirqs_off+0xb8/0x300
[  275.581549]  ? trace_hardirqs_off+0xb8/0x300
[  275.585972]  __alloc_pages_slowpath+0x2667/0x2d80
[  275.590849]  ? warn_alloc+0x120/0x120
[  275.594662]  ? warn_alloc+0x120/0x120
[  275.598472]  ? print_usage_bug+0xc0/0xc0
[  275.602535]  ? warn_alloc+0x120/0x120
[  275.606344]  ? print_usage_bug+0xc0/0xc0
[  275.610410]  ? __lock_acquire+0x7ec/0x4ec0
[  275.614649]  ? __lock_acquire+0x7ec/0x4ec0
[  275.618888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.624427]  ? should_fail+0x22d/0xd01
[  275.628320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.633424]  ? __lock_acquire+0x7ec/0x4ec0
[  275.637665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.642774]  ? __lock_acquire+0x7ec/0x4ec0
[  275.647014]  ? should_fail+0x22d/0xd01
[  275.651161]  ? print_usage_bug+0xc0/0xc0
[  275.655239]  ? mark_held_locks+0x130/0x130
[  275.659481]  ? mark_held_locks+0x130/0x130
[  275.663729]  ? graph_lock+0x170/0x170
[  275.667535]  ? print_usage_bug+0xc0/0xc0
[  275.671620]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  275.676381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.681922]  ? check_preemption_disabled+0x48/0x200
[  275.686939]  ? check_preemption_disabled+0x48/0x200
[  275.691967]  ? __lock_is_held+0xb5/0x140
[  275.696041]  __alloc_pages_nodemask+0xa80/0xde0
[  275.700713]  ? graph_lock+0x170/0x170
[  275.704525]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  275.709550]  ? graph_lock+0x170/0x170
[  275.713372]  ? find_held_lock+0x36/0x1c0
[  275.717452]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.722141]  ? lock_downgrade+0x900/0x900
[  275.726308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.731860]  cache_grow_begin+0x91/0x8c0
[  275.735930]  ? do_raw_spin_unlock+0xa7/0x2f0
[  275.740348]  fallback_alloc+0x203/0x2e0
[  275.744331]  ____cache_alloc_node+0x1c7/0x1e0
[  275.748835]  kmem_cache_alloc_node+0xe3/0x730
[  275.753333]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.757582]  __alloc_skb+0x119/0x770
[  275.761311]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.766605]  ? skb_scrub_packet+0x490/0x490
[  275.770936]  ? lock_downgrade+0x900/0x900
[  275.775110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.780654]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.786164]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.791634]  ? addrconf_rs_timer+0x6f0/0x6f0
[  275.796061]  ndisc_alloc_skb+0x144/0x340
[  275.800170]  ndisc_send_rs+0x331/0x6e0
[  275.804066]  addrconf_rs_timer+0x3c0/0x6f0
[  275.808320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.812576]  call_timer_fn+0x272/0x920
[  275.816476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.820715]  ? process_timeout+0x40/0x40
[  275.824779]  ? find_held_lock+0x36/0x1c0
[  275.828852]  ? __run_timers+0x7da/0xc70
[  275.832834]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.837335]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.841849]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.846096]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  275.850685]  ? trace_hardirqs_on+0xbd/0x310
[  275.855005]  ? kasan_check_read+0x11/0x20
[  275.859163]  ? __run_timers+0x7da/0xc70
[  275.863148]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.868614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.872914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.877151]  __run_timers+0x7e5/0xc70
[  275.880968]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  275.886338]  ? compat_start_thread+0x80/0x80
[  275.890754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.896297]  ? kasan_check_write+0x14/0x20
[  275.900539]  ? finish_task_switch+0x2f5/0x900
[  275.905035]  ? __switch_to_asm+0x40/0x70
[  275.909115]  ? preempt_notifier_register+0x200/0x200
[  275.914221]  ? __switch_to_asm+0x34/0x70
[  275.918282]  ? __switch_to_asm+0x40/0x70
[  275.922341]  ? __switch_to_asm+0x34/0x70
[  275.926405]  ? __switch_to_asm+0x40/0x70
[  275.930465]  ? __switch_to_asm+0x34/0x70
[  275.934525]  ? __switch_to_asm+0x40/0x70
[  275.938603]  ? pvclock_read_flags+0x160/0x160
[  275.943108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.948650]  ? check_preemption_disabled+0x48/0x200
[  275.953680]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  275.959222]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.964505]  ? rcu_pm_notify+0xc0/0xc0
[  275.968399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.973940]  ? check_preemption_disabled+0x48/0x200
[  275.978969]  run_timer_softirq+0x52/0xb0
[  275.983036]  ? rcu_read_lock_sched_held+0x108/0x120
[  275.988065]  __do_softirq+0x30b/0xad8
[  275.991890]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  275.997012]  ? schedule+0x108/0x460
[  276.000647]  ? __schedule+0x1ed0/0x1ed0
[  276.004642]  ? trace_hardirqs_off+0xb8/0x300
[  276.009057]  ? ___might_sleep+0x1ed/0x300
[  276.013228]  ? smpboot_thread_fn+0x68b/0xa00
[  276.017645]  ? trace_hardirqs_on+0x310/0x310
[  276.022064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.027619]  ? check_preemption_disabled+0x48/0x200
[  276.032646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.038196]  ? takeover_tasklets+0xa90/0xa90
[  276.042619]  run_ksoftirqd+0x94/0x100
[  276.046428]  smpboot_thread_fn+0x68b/0xa00
[  276.050668]  ? sort_range+0x30/0x30
[  276.054298]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  276.059403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.064945]  ? __kthread_parkme+0xfb/0x1a0
[  276.069188]  kthread+0x35a/0x420
[  276.072555]  ? sort_range+0x30/0x30
[  276.076182]  ? kthread_bind+0x40/0x40
[  276.079989]  ret_from_fork+0x3a/0x50
[  276.083718] warn_alloc_show_mem: 1 callbacks suppressed
[  276.083730] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  276.083732] Mem-Info:
[  276.083763] active_anon:44072 inactive_anon:951 isolated_anon:0
[  276.083763]  active_file:15 inactive_file:18 isolated_file:0
[  276.083763]  unevictable:0 dirty:0 writeback:0 unstable:0
[  276.083763]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  276.083763]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  276.083763]  free:13779 free_pcp:230 free_cma:0
[  276.089108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  276.089116] Call Trace:
[  276.096311] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  276.098712]  <IRQ>
[  276.131677] Node 0 
[  276.141042]  dump_stack+0x1c4/0x2b4
[  276.143628] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  276.171375]  ? dump_stack_print_info.cold.2+0x52/0x52
[  276.173500] lowmem_reserve[]:
[  276.175740]  warn_alloc.cold.118+0xb7/0x1bd
[  276.179334]  0
[  276.204850]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.210013]  2815 6318
[  276.213134]  ? lock_downgrade+0x900/0x900
[  276.217434]  6318
[  276.219235]  ? trace_hardirqs_off+0xb8/0x300
[  276.226542]  ? trace_hardirqs_off+0xb8/0x300
[  276.230664] Node 0 
[  276.232730]  __alloc_pages_slowpath+0x2667/0x2d80
[  276.237138] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  276.241540]  ? warn_alloc+0x120/0x120
[  276.243728] lowmem_reserve[]:
[  276.248565]  ? trace_hardirqs_on+0x310/0x310
[  276.275447]  0
[  276.279254]  ? warn_alloc+0x120/0x120
[  276.282323]  0
[  276.286726]  ? print_usage_bug+0xc0/0xc0
[  276.288501]  3503
[  276.292292]  ? warn_alloc+0x120/0x120
[  276.294070]  3503
[  276.298147]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  276.303981]  ? print_usage_bug+0xc0/0xc0
[  276.306025] Node 0 
[  276.311055]  ? __lock_acquire+0x7ec/0x4ec0
[  276.315143] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  276.315151] lowmem_reserve[]:
[  276.317392]  ? __lock_acquire+0x7ec/0x4ec0
[  276.321604]  0
[  276.349988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.353069]  0
[  276.357311]  ? should_fail+0x22d/0xd01
[  276.359113]  0
[  276.364669]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.366446]  0
[  276.370332]  ? __lock_acquire+0x7ec/0x4ec0
[  276.377222]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.379002] Node 0 
[  276.383240]  ? __lock_acquire+0x7ec/0x4ec0
[  276.388324] DMA: 
[  276.390561]  ? should_fail+0x22d/0xd01
[  276.394776] 1*4kB 
[  276.396845]  ? print_usage_bug+0xc0/0xc0
[  276.400706] (U) 
[  276.402864]  ? mark_held_locks+0x130/0x130
[  276.406889] 0*8kB 0*16kB 
[  276.408883]  ? mark_held_locks+0x130/0x130
[  276.413105] 1*32kB 
[  276.415868]  ? graph_lock+0x170/0x170
[  276.420076] (U) 2*64kB 
[  276.422334]  ? print_usage_bug+0xc0/0xc0
[  276.426113] (U) 
[  276.428695]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.432731] 1*128kB 
[  276.434703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.439429] (U) 
[  276.441750]  ? check_preemption_disabled+0x48/0x200
[  276.447265] 1*256kB (U) 
[  276.449250]  ? check_preemption_disabled+0x48/0x200
[  276.454241] 0*512kB 
[  276.456912]  ? __lock_is_held+0xb5/0x140
[  276.461895] 1*1024kB 
[  276.464217]  __alloc_pages_nodemask+0xa80/0xde0
[  276.468248] (U) 
[  276.470653]  ? graph_lock+0x170/0x170
[  276.475302] 1*2048kB 
[  276.477271]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  276.481044] (M) 
[  276.483448]  ? graph_lock+0x170/0x170
[  276.488442] 3*4096kB (M) 
[  276.490435]  ? find_held_lock+0x36/0x1c0
[  276.494202] = 15908kB
[  276.496964]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.500995] Node 0 
[  276.503404]  ? lock_downgrade+0x900/0x900
[  276.508045] DMA32: 
[  276.510282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.514397] 1*4kB 
[  276.516630]  cache_grow_begin+0x91/0x8c0
[  276.522137] (M) 
[  276.524288]  ? do_raw_spin_unlock+0xa7/0x2f0
[  276.528323] 3*8kB 
[  276.530300]  fallback_alloc+0x203/0x2e0
[  276.534679] (UM) 
[  276.536828]  ____cache_alloc_node+0x1c7/0x1e0
[  276.540773] 0*16kB 
[  276.542833]  kmem_cache_alloc_node+0xe3/0x730
[  276.547299] 3*32kB 
[  276.549534]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.554000] (UM) 
[  276.556238]  __alloc_skb+0x119/0x770
[  276.560440] 2*64kB 
[  276.562499]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  276.566184] (M) 
[  276.568417]  ? skb_scrub_packet+0x490/0x490
[  276.573670] 5*128kB 
[  276.575639]  ? lock_downgrade+0x900/0x900
[  276.579931] (UM) 
[  276.582251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.586364] 3*256kB (M) 
[  276.588434]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.593950] 4*512kB 
[  276.596622]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.602049] (M) 
[  276.604506]  ? addrconf_rs_timer+0x6f0/0x6f0
[  276.604523]  ndisc_alloc_skb+0x144/0x340
[  276.604535]  ndisc_send_rs+0x331/0x6e0
[  276.604546]  addrconf_rs_timer+0x3c0/0x6f0
[  276.604557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.604574]  call_timer_fn+0x272/0x920
[  276.604582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.604591]  ? process_timeout+0x40/0x40
[  276.604601]  ? find_held_lock+0x36/0x1c0
[  276.604622]  ? __run_timers+0x7da/0xc70
[  276.604640]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.610078] 3*1024kB 
[  276.612073]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.616463] (UM) 
[  276.620520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.624386] 3*2048kB 
[  276.628620]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  276.632834] (M) 
[  276.636719]  ? trace_hardirqs_on+0xbd/0x310
[  276.640930] 3*4096kB 
[  276.645013]  ? kasan_check_read+0x11/0x20
[  276.649049] (M) 
[  276.653020]  ? __run_timers+0x7da/0xc70
[  276.657486] = 25212kB
[  276.659892]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  276.664362] Node 0 
[  276.666422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.670626] Normal: 
[  276.673034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.677591] 887*4kB 
[  276.679563]  __run_timers+0x7e5/0xc70
[  276.683860] (UME) 
[  276.686275]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  276.690388] 378*8kB 
[  276.692357]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  276.696305] (UMEH) 
[  276.698710]  ? graph_lock+0x170/0x170
[  276.704138] 172*16kB 
[  276.706370]  ? enqueue_hrtimer+0x1a5/0x560
[  276.710583] (UMEH) 
[  276.712900]  ? lock_release+0x970/0x970
[  276.717118] 106*32kB 
[  276.719436]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  276.723211] (UMEH) 
[  276.725363]  ? find_held_lock+0x36/0x1c0
[  276.730698] 16*64kB 
[  276.733015]  ? graph_lock+0x170/0x170
[  276.738006] (UMH) 
[  276.740236]  ? pvclock_read_flags+0x160/0x160
[  276.744009] 0*128kB 
[  276.746414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.750627] 1*256kB 
[  276.752870]  ? check_preemption_disabled+0x48/0x200
[  276.756820] (H) 
[  276.759236]  ? __lock_is_held+0xb5/0x140
[  276.764398] 0*512kB 
[  276.766631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.770666] 0*1024kB 
[  276.772980]  ? check_preemption_disabled+0x48/0x200
[  276.776757] 0*2048kB 
[  276.778914]  run_timer_softirq+0x52/0xb0
[  276.783379] 0*4096kB 
[  276.785713]  ? rcu_read_lock_sched_held+0x108/0x120
[  276.791217] = 13996kB
[  276.791232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  276.793549]  __do_softirq+0x30b/0xad8
[  276.798543] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  276.800516]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  276.804547] 4508 total pagecache pages
[  276.806867]  ? pvclock_read_flags+0x160/0x160
[  276.812384] 0 pages in swap cache
[  276.814781]  ? lapic_next_event+0x5a/0x90
[  276.819779] Swap cache stats: add 0, delete 0, find 0/0
[  276.822183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.826216] Free swap  = 0kB
[  276.828624]  ? check_preemption_disabled+0x48/0x200
[  276.833624] Total swap = 0kB
[  276.836028]  ? check_preemption_disabled+0x48/0x200
[  276.844837] 1965979 pages RAM
[  276.848634]  ? kvm_clock_read+0x18/0x30
[  276.857184] 0 pages HighMem/MovableOnly
[  276.862281]  ? kvm_sched_clock_read+0x9/0x20
[  276.866143] 343323 pages reserved
[  276.870637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.874064] 0 pages cma reserved
[  276.878211]  ? check_preemption_disabled+0x48/0x200
[  276.883646] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.889096]  irq_exit+0x17f/0x1c0
[  276.892186] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.897128]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.900137] ksoftirqd/1 cpuset=
[  276.905160]  ? smp_reschedule_interrupt+0x109/0x650
[  276.908268] /
[  276.912237]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.916188]  mems_allowed=0
[  276.920587]  ? interrupt_entry+0xb5/0xf0
[  276.985752]  ? trace_hardirqs_off_caller+0xbb/0x300
[  276.990772]  ? trace_hardirqs_off_caller+0xbb/0x300
[  276.995794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.000640]  ? trace_hardirqs_off+0x300/0x300
[  277.005137]  ? trace_hardirqs_off+0x300/0x300
[  277.009640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.015177]  ? check_preemption_disabled+0x48/0x200
[  277.020197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.025746]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.030606]  apic_timer_interrupt+0xf/0x20
[  277.034837]  </IRQ>
[  277.037079] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  277.042027] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  277.060924] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  277.068637] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  277.075905] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  277.083171] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  277.090441] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  277.097709] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  277.105025]  skb_clone+0x1bb/0x500
[  277.108568]  ? finish_task_switch+0x2f5/0x900
[  277.113068]  ? skb_split+0x11e0/0x11e0
[  277.116969]  ? preempt_notifier_register+0x200/0x200
[  277.122095]  ? __switch_to_asm+0x34/0x70
[  277.126169]  ? __switch_to_asm+0x34/0x70
[  277.130228]  ? __switch_to_asm+0x40/0x70
[  277.134287]  ? __switch_to_asm+0x34/0x70
[  277.138350]  ? __switch_to_asm+0x40/0x70
[  277.142410]  ? __switch_to_asm+0x34/0x70
[  277.146470]  ? __switch_to_asm+0x40/0x70
[  277.150530]  ? __switch_to_asm+0x34/0x70
[  277.154595]  ? __switch_to_asm+0x34/0x70
[  277.158658]  ? __switch_to_asm+0x40/0x70
[  277.162722]  ? __switch_to_asm+0x34/0x70
[  277.166795]  bpf_clone_redirect+0xb9/0x490
[  277.171037]  ? __schedule+0x874/0x1ed0
[  277.174932]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  277.179953]  ? __sched_text_start+0x8/0x8
[  277.184115]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  277.188888]  ? find_held_lock+0x36/0x1c0
[  277.192958]  ? lock_acquire+0x1ed/0x520
[  277.196934]  ? bpf_test_run+0x32e/0x5a0
[  277.200911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.206447]  ? check_preemption_disabled+0x48/0x200
[  277.211471]  ? kasan_check_read+0x11/0x20
[  277.215629]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.220910]  ? rcu_bh_qs+0xc0/0xc0
[  277.224455]  ? preempt_schedule+0x4d/0x60
[  277.228606]  ? ___preempt_schedule+0x16/0x18
[  277.233022]  ? bpf_test_run+0x1c0/0x5a0
[  277.237008]  ? netlink_diag_dump+0x2a0/0x2a0
[  277.241421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.246957]  ? bpf_test_init.isra.9+0x70/0x100
[  277.251550]  ? bpf_prog_test_run_skb+0x634/0xb40
[  277.256313]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  277.261158]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  277.266698]  ? fput+0x130/0x1a0
[  277.269981]  ? __bpf_prog_get+0x9b/0x290
[  277.274047]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  277.278890]  ? bpf_prog_test_run+0x130/0x1a0
[  277.283306]  ? __x64_sys_bpf+0x3d8/0x510
[  277.287369]  ? bpf_prog_get+0x20/0x20
[  277.291191]  ? do_syscall_64+0x1b9/0x820
[  277.295253]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  277.300622]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.305556]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.310406]  ? trace_hardirqs_off+0x300/0x300
[  277.314901]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  277.319923]  ? prepare_exit_to_usermode+0x291/0x3b0
[  277.324948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.329801]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  277.335184] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  277.335255] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.342021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.342026] Call Trace:
[  277.342044]  dump_stack+0x1c4/0x2b4
[  277.342065]  ? dump_stack_print_info.cold.2+0x52/0x52
[  277.348598] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.357900]  warn_alloc.cold.118+0xb7/0x1bd
[  277.360456] syz-executor4 cpuset=
[  277.364077]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.369253] syz4
[  277.379738]  ? lock_downgrade+0x900/0x900
[  277.384038]  mems_allowed=0
[  277.387488]  ? trace_hardirqs_off+0xb8/0x300
[  277.405716]  ? trace_hardirqs_off+0xb8/0x300
[  277.410141]  __alloc_pages_slowpath+0x2667/0x2d80
[  277.415027]  ? warn_alloc+0x120/0x120
[  277.418841]  ? warn_alloc+0x120/0x120
[  277.422645]  ? print_usage_bug+0xc0/0xc0
[  277.426712]  ? warn_alloc+0x120/0x120
[  277.430518]  ? print_usage_bug+0xc0/0xc0
[  277.434588]  ? __lock_acquire+0x7ec/0x4ec0
[  277.438831]  ? __lock_acquire+0x7ec/0x4ec0
[  277.443080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.448638]  ? should_fail+0x22d/0xd01
[  277.452531]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.457637]  ? __lock_acquire+0x7ec/0x4ec0
[  277.461881]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.466983]  ? __lock_acquire+0x7ec/0x4ec0
[  277.471220]  ? should_fail+0x22d/0xd01
[  277.475373]  ? print_usage_bug+0xc0/0xc0
[  277.479450]  ? mark_held_locks+0x130/0x130
[  277.483694]  ? mark_held_locks+0x130/0x130
[  277.487939]  ? graph_lock+0x170/0x170
[  277.491739]  ? print_usage_bug+0xc0/0xc0
[  277.495805]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  277.500562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.506110]  ? check_preemption_disabled+0x48/0x200
[  277.511131]  ? check_preemption_disabled+0x48/0x200
[  277.516164]  ? __lock_is_held+0xb5/0x140
[  277.520238]  __alloc_pages_nodemask+0xa80/0xde0
[  277.524910]  ? graph_lock+0x170/0x170
[  277.528726]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  277.533763]  ? graph_lock+0x170/0x170
[  277.537577]  ? find_held_lock+0x36/0x1c0
[  277.541656]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.546333]  ? lock_downgrade+0x900/0x900
[  277.550492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.556040]  cache_grow_begin+0x91/0x8c0
[  277.560112]  ? do_raw_spin_unlock+0xa7/0x2f0
[  277.564536]  fallback_alloc+0x203/0x2e0
[  277.568518]  ____cache_alloc_node+0x1c7/0x1e0
[  277.573022]  kmem_cache_alloc_node+0xe3/0x730
[  277.577524]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.581770]  __alloc_skb+0x119/0x770
[  277.585499]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.590783]  ? skb_scrub_packet+0x490/0x490
[  277.595115]  ? lock_downgrade+0x900/0x900
[  277.599302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.604845]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.610303]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.615757]  ? addrconf_rs_timer+0x6f0/0x6f0
[  277.620182]  ndisc_alloc_skb+0x144/0x340
[  277.624253]  ndisc_send_rs+0x331/0x6e0
[  277.628149]  addrconf_rs_timer+0x3c0/0x6f0
[  277.632397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.636651]  call_timer_fn+0x272/0x920
[  277.640542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.644780]  ? process_timeout+0x40/0x40
[  277.648842]  ? find_held_lock+0x36/0x1c0
[  277.652919]  ? __run_timers+0x7da/0xc70
[  277.656896]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.661395]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.665889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.670127]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  277.674713]  ? trace_hardirqs_on+0xbd/0x310
[  277.679035]  ? kasan_check_read+0x11/0x20
[  277.683183]  ? __run_timers+0x7da/0xc70
[  277.687165]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.692627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.696869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.701112]  __run_timers+0x7e5/0xc70
[  277.704933]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  277.710298]  ? compat_start_thread+0x80/0x80
[  277.714714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.720260]  ? kasan_check_write+0x14/0x20
[  277.724498]  ? finish_task_switch+0x2f5/0x900
[  277.728998]  ? __switch_to_asm+0x40/0x70
[  277.733070]  ? preempt_notifier_register+0x200/0x200
[  277.738186]  ? __switch_to_asm+0x34/0x70
[  277.742249]  ? __switch_to_asm+0x40/0x70
[  277.746313]  ? __switch_to_asm+0x34/0x70
[  277.750371]  ? __switch_to_asm+0x40/0x70
[  277.754434]  ? __switch_to_asm+0x34/0x70
[  277.758500]  ? __switch_to_asm+0x40/0x70
[  277.762576]  ? pvclock_read_flags+0x160/0x160
[  277.767078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.772636]  ? check_preemption_disabled+0x48/0x200
[  277.777662]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  277.783215]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.788524]  ? rcu_pm_notify+0xc0/0xc0
[  277.792422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.797961]  ? check_preemption_disabled+0x48/0x200
[  277.802989]  run_timer_softirq+0x52/0xb0
[  277.807051]  ? rcu_read_lock_sched_held+0x108/0x120
[  277.812074]  __do_softirq+0x30b/0xad8
[  277.815912]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  277.821036]  ? schedule+0x108/0x460
[  277.824670]  ? __schedule+0x1ed0/0x1ed0
[  277.828672]  ? trace_hardirqs_off+0xb8/0x300
[  277.833094]  ? ___might_sleep+0x1ed/0x300
[  277.837254]  ? smpboot_thread_fn+0x68b/0xa00
[  277.841666]  ? trace_hardirqs_on+0x310/0x310
[  277.846111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.851653]  ? check_preemption_disabled+0x48/0x200
[  277.856670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.862214]  ? takeover_tasklets+0xa90/0xa90
[  277.866644]  run_ksoftirqd+0x94/0x100
[  277.870442]  smpboot_thread_fn+0x68b/0xa00
[  277.874682]  ? sort_range+0x30/0x30
[  277.878313]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.883419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.888970]  ? __kthread_parkme+0xfb/0x1a0
[  277.893221]  kthread+0x35a/0x420
[  277.896588]  ? sort_range+0x30/0x30
[  277.900224]  ? kthread_bind+0x40/0x40
[  277.904032]  ret_from_fork+0x3a/0x50
[  277.907787] warn_alloc_show_mem: 1 callbacks suppressed
[  277.907799] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  277.907801] Mem-Info:
[  277.907832] active_anon:44072 inactive_anon:951 isolated_anon:0
[  277.907832]  active_file:15 inactive_file:18 isolated_file:0
[  277.907832]  unevictable:0 dirty:0 writeback:0 unstable:0
[  277.907832]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  277.907832]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  277.907832]  free:13779 free_pcp:230 free_cma:0
[  277.913175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.920364] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  277.922774] Call Trace:
[  277.955740] Node 0 
[  277.965122]  <IRQ>
[  277.992892] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  277.995448]  dump_stack+0x1c4/0x2b4
[  277.997655] lowmem_reserve[]:
[  277.999798]  ? dump_stack_print_info.cold.2+0x52/0x52
[  278.025284]  0
[  278.028919]  warn_alloc.cold.118+0xb7/0x1bd
[  278.031986]  2815
[  278.037168]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.038945]  6318
[  278.043261]  ? lock_downgrade+0x900/0x900
[  278.045302]  6318
[  278.050159]  ? trace_hardirqs_off+0xb8/0x300
[  278.056339]  ? trace_hardirqs_off+0xb8/0x300
[  278.058406] Node 0 
[  278.062811]  __alloc_pages_slowpath+0x2667/0x2d80
[  278.067215] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  278.069451]  ? warn_alloc+0x120/0x120
[  278.074247] lowmem_reserve[]:
[  278.101156]  ? warn_alloc+0x120/0x120
[  278.104937]  0
[  278.108039]  ? print_usage_bug+0xc0/0xc0
[  278.111811]  0
[  278.113608]  ? warn_alloc+0x120/0x120
[  278.117652]  3503
[  278.119454]  ? print_usage_bug+0xc0/0xc0
[  278.123228]  3503
[  278.125285]  ? __lock_acquire+0x7ec/0x4ec0
[  278.131375]  ? __lock_acquire+0x7ec/0x4ec0
[  278.135584] Node 0 
[  278.139814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.139846] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  278.139854] lowmem_reserve[]:
[  278.142097]  ? should_fail+0x22d/0xd01
[  278.147620]  0
[  278.175987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.179067]  0
[  278.182952]  ? __lock_acquire+0x7ec/0x4ec0
[  278.184731]  0
[  278.189827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.191605]  0
[  278.195834]  ? __lock_acquire+0x7ec/0x4ec0
[  278.202711]  ? should_fail+0x22d/0xd01
[  278.204493] Node 0 
[  278.208729]  ? mark_held_locks+0x130/0x130
[  278.212585] DMA: 
[  278.214815]  ? mark_held_locks+0x130/0x130
[  278.219024] 1*4kB 
[  278.221081]  ? graph_lock+0x170/0x170
[  278.225300] (U) 
[  278.227441]  ? graph_lock+0x170/0x170
[  278.231219] 0*8kB 
[  278.233188]  ? graph_lock+0x170/0x170
[  278.236964] 0*16kB 
[  278.239124]  ? print_usage_bug+0xc0/0xc0
[  278.242895] 1*32kB 
[  278.245136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.249181] (U) 
[  278.251411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.256922] 2*64kB 
[  278.258890]  ? check_preemption_disabled+0x48/0x200
[  278.264398] (U) 1*128kB 
[  278.266642]  ? check_preemption_disabled+0x48/0x200
[  278.271630] (U) 
[  278.274302]  ? __lock_is_held+0xb5/0x140
[  278.279286] 1*256kB 
[  278.281264]  __alloc_pages_nodemask+0xa80/0xde0
[  278.285303] (U) 
[  278.287629]  ? graph_lock+0x170/0x170
[  278.292273] 0*512kB 
[  278.294243]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  278.298016] 1*1024kB 
[  278.300329]  ? graph_lock+0x170/0x170
[  278.305319] (U) 
[  278.307728]  ? find_held_lock+0x36/0x1c0
[  278.311496] 1*2048kB 
[  278.313490]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.317522] (M) 
[  278.319932]  ? lock_downgrade+0x900/0x900
[  278.324588] 3*4096kB 
[  278.326588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.330707] (M) 
[  278.333128]  cache_grow_begin+0x91/0x8c0
[  278.338637] = 15908kB
[  278.340615]  ? do_raw_spin_unlock+0xa7/0x2f0
[  278.340638]  fallback_alloc+0x203/0x2e0
[  278.344667] Node 0 
[  278.347097]  ____cache_alloc_node+0x1c7/0x1e0
[  278.351478] DMA32: 
[  278.355449]  kmem_cache_alloc_node+0xe3/0x730
[  278.357677] 1*4kB 
[  278.362168]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.364380] (M) 
[  278.368880]  __alloc_skb+0x119/0x770
[  278.371009] 3*8kB 
[  278.375240]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  278.377188] (UM) 
[  278.380900]  ? skb_scrub_packet+0x490/0x490
[  278.383026] 0*16kB 
[  278.388296]  ? lock_downgrade+0x900/0x900
[  278.390338] 3*32kB 
[  278.394672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.396878] (UM) 
[  278.401021]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.403232] 2*64kB 
[  278.408766]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.410800] (M) 
[  278.416247]  ? addrconf_rs_timer+0x6f0/0x6f0
[  278.418457] 5*128kB 
[  278.423907]  ndisc_alloc_skb+0x144/0x340
[  278.425851] (UM) 
[  278.430258]  ndisc_send_rs+0x331/0x6e0
[  278.432557] 3*256kB 
[  278.436627]  addrconf_rs_timer+0x3c0/0x6f0
[  278.438676] (M) 
[  278.442569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.444865] 4*512kB 
[  278.449131]  call_timer_fn+0x272/0x920
[  278.451070] (M) 
[  278.455311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.457614] 3*1024kB 
[  278.461496]  ? process_timeout+0x40/0x40
[  278.463446] (UM) 
[  278.467677]  ? find_held_lock+0x36/0x1c0
[  278.470062] 3*2048kB 
[  278.474640]  ? __run_timers+0x7da/0xc70
[  278.476673] (M) 
[  278.480726]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.483116] 3*4096kB 
[  278.487084]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.489039] (M) 
[  278.493530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.495914] = 25212kB
[  278.500406]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  278.502360] Node 0 
[  278.506587]  ? trace_hardirqs_on+0xbd/0x310
[  278.508978] Normal: 
[  278.513559]  ? kasan_check_read+0x11/0x20
[  278.515773] 887*4kB 
[  278.520095]  ? __run_timers+0x7da/0xc70
[  278.522395] (UME) 
[  278.526536]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.528838] 378*8kB 
[  278.532810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.534952] (UMEH) 
[  278.540398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.542724] 172*16kB 
[  278.546964]  __run_timers+0x7e5/0xc70
[  278.549176] (UMEH) 
[  278.553413]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  278.555805] 106*32kB 
[  278.559600]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  278.561812] (UMEH) 
[  278.567167]  ? graph_lock+0x170/0x170
[  278.569563] 16*64kB 
[  278.574571]  ? enqueue_hrtimer+0x1a5/0x560
[  278.576800] (UMH) 
[  278.580597]  ? lock_release+0x970/0x970
[  278.582901] 0*128kB 
[  278.587133]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  278.589258] 1*256kB 
[  278.593224]  ? find_held_lock+0x36/0x1c0
[  278.595521] (H) 
[  278.600701]  ? graph_lock+0x170/0x170
[  278.603000] 0*512kB 
[  278.607216]  ? pvclock_read_flags+0x160/0x160
[  278.609177] 0*1024kB 
[  278.612973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.615272] 0*2048kB 
[  278.619759]  ? check_preemption_disabled+0x48/0x200
[  278.622150] 0*4096kB 
[  278.627690]  ? __lock_is_held+0xb5/0x140
[  278.630079] = 13996kB
[  278.635111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.637496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  278.641545]  ? check_preemption_disabled+0x48/0x200
[  278.643939] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  278.649470]  run_timer_softirq+0x52/0xb0
[  278.658276] 4508 total pagecache pages
[  278.663286]  ? rcu_read_lock_sched_held+0x108/0x120
[  278.671844] 0 pages in swap cache
[  278.676023]  __do_softirq+0x30b/0xad8
[  278.679890] Swap cache stats: add 0, delete 0, find 0/0
[  278.684903]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  278.688323] Free swap  = 0kB
[  278.692133]  ? pvclock_read_flags+0x160/0x160
[  278.697469] Total swap = 0kB
[  278.702565]  ? lapic_next_event+0x5a/0x90
[  278.705563] 1965979 pages RAM
[  278.710050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.713041] 0 pages HighMem/MovableOnly
[  278.717184]  ? check_preemption_disabled+0x48/0x200
[  278.720264] 343323 pages reserved
[  278.725795]  ? check_preemption_disabled+0x48/0x200
[  278.729745] 0 pages cma reserved
[  278.734756]  ? kvm_clock_read+0x18/0x30
[  278.738253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.743189]  ? kvm_sched_clock_read+0x9/0x20
[  278.743207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.743222]  ? check_preemption_disabled+0x48/0x200
[  278.746676] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.750587]  irq_exit+0x17f/0x1c0
[  278.757046] ksoftirqd/1 cpuset=
[  278.761450]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.766956] /
[  278.771966]  ? smp_reschedule_interrupt+0x109/0x650
[  278.782267]  mems_allowed=0
[  278.785714]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.809287]  ? interrupt_entry+0xb5/0xf0
[  278.813355]  ? trace_hardirqs_off_caller+0xbb/0x300
[  278.818375]  ? trace_hardirqs_off_caller+0xbb/0x300
[  278.823398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.828240]  ? trace_hardirqs_off+0x300/0x300
[  278.832736]  ? trace_hardirqs_off+0x300/0x300
[  278.837232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.842771]  ? check_preemption_disabled+0x48/0x200
[  278.847787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.853331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.858193]  apic_timer_interrupt+0xf/0x20
[  278.862421]  </IRQ>
[  278.864664] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  278.869598] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  278.888501] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  278.896209] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  278.903477] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  278.910776] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  278.918057] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  278.925332] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  278.932642]  skb_clone+0x1bb/0x500
[  278.936186]  ? finish_task_switch+0x2f5/0x900
[  278.940686]  ? skb_split+0x11e0/0x11e0
[  278.944577]  ? preempt_notifier_register+0x200/0x200
[  278.949684]  ? __switch_to_asm+0x34/0x70
[  278.953747]  ? __switch_to_asm+0x34/0x70
[  278.957825]  ? __switch_to_asm+0x40/0x70
[  278.961884]  ? __switch_to_asm+0x34/0x70
[  278.965946]  ? __switch_to_asm+0x40/0x70
[  278.970009]  ? __switch_to_asm+0x34/0x70
[  278.974069]  ? __switch_to_asm+0x40/0x70
[  278.978144]  ? __switch_to_asm+0x34/0x70
[  278.982207]  ? __switch_to_asm+0x34/0x70
[  278.986271]  ? __switch_to_asm+0x40/0x70
[  278.990329]  ? __switch_to_asm+0x34/0x70
[  278.994400]  bpf_clone_redirect+0xb9/0x490
[  278.998639]  ? __schedule+0x874/0x1ed0
[  279.002538]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  279.007561]  ? __sched_text_start+0x8/0x8
[  279.011713]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.016487]  ? find_held_lock+0x36/0x1c0
[  279.020557]  ? lock_acquire+0x1ed/0x520
[  279.024534]  ? bpf_test_run+0x32e/0x5a0
[  279.028514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.034054]  ? check_preemption_disabled+0x48/0x200
[  279.039080]  ? kasan_check_read+0x11/0x20
[  279.043248]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  279.048525]  ? rcu_bh_qs+0xc0/0xc0
[  279.052073]  ? preempt_schedule+0x4d/0x60
[  279.056239]  ? ___preempt_schedule+0x16/0x18
[  279.060656]  ? bpf_test_run+0x1c0/0x5a0
[  279.064644]  ? netlink_diag_dump+0x2a0/0x2a0
[  279.069058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.074609]  ? bpf_test_init.isra.9+0x70/0x100
[  279.079205]  ? bpf_prog_test_run_skb+0x634/0xb40
[  279.083972]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  279.088814]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  279.094348]  ? fput+0x130/0x1a0
[  279.097635]  ? __bpf_prog_get+0x9b/0x290
[  279.101698]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  279.106542]  ? bpf_prog_test_run+0x130/0x1a0
[  279.110956]  ? __x64_sys_bpf+0x3d8/0x510
[  279.115018]  ? bpf_prog_get+0x20/0x20
[  279.118844]  ? do_syscall_64+0x1b9/0x820
[  279.122906]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  279.128275]  ? syscall_return_slowpath+0x5e0/0x5e0
[  279.133207]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.138054]  ? trace_hardirqs_off+0x300/0x300
[  279.142549]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  279.147571]  ? prepare_exit_to_usermode+0x291/0x3b0
[  279.152595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.157449]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  279.162831] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  279.162904] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.169672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.169681] Call Trace:
[  279.176252] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.185513]  dump_stack+0x1c4/0x2b4
[  279.188117] syz-executor4 cpuset=
[  279.198595]  ? dump_stack_print_info.cold.2+0x52/0x52
[  279.202196] syz4
[  279.205656]  warn_alloc.cold.118+0xb7/0x1bd
[  279.210813]  mems_allowed=0
[  279.212779]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.224838]  ? lock_downgrade+0x900/0x900
[  279.228998]  ? trace_hardirqs_off+0xb8/0x300
[  279.233415]  ? trace_hardirqs_off+0xb8/0x300
[  279.237840]  __alloc_pages_slowpath+0x2667/0x2d80
[  279.242716]  ? warn_alloc+0x120/0x120
[  279.246531]  ? warn_alloc+0x120/0x120
[  279.250341]  ? print_usage_bug+0xc0/0xc0
[  279.254408]  ? warn_alloc+0x120/0x120
[  279.258217]  ? print_usage_bug+0xc0/0xc0
[  279.262287]  ? __lock_acquire+0x7ec/0x4ec0
[  279.266523]  ? __lock_acquire+0x7ec/0x4ec0
[  279.270768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.276305]  ? should_fail+0x22d/0xd01
[  279.280197]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.285300]  ? __lock_acquire+0x7ec/0x4ec0
[  279.289539]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.294644]  ? __lock_acquire+0x7ec/0x4ec0
[  279.298883]  ? should_fail+0x22d/0xd01
[  279.302785]  ? mark_held_locks+0x130/0x130
[  279.307025]  ? mark_held_locks+0x130/0x130
[  279.311265]  ? graph_lock+0x170/0x170
[  279.315505]  ? graph_lock+0x170/0x170
[  279.319313]  ? graph_lock+0x170/0x170
[  279.323121]  ? print_usage_bug+0xc0/0xc0
[  279.327189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.332734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.338273]  ? check_preemption_disabled+0x48/0x200
[  279.343290]  ? check_preemption_disabled+0x48/0x200
[  279.348323]  ? __lock_is_held+0xb5/0x140
[  279.352397]  __alloc_pages_nodemask+0xa80/0xde0
[  279.357069]  ? graph_lock+0x170/0x170
[  279.360886]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  279.365904]  ? graph_lock+0x170/0x170
[  279.369717]  ? find_held_lock+0x36/0x1c0
[  279.373793]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.378467]  ? lock_downgrade+0x900/0x900
[  279.382632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.388181]  cache_grow_begin+0x91/0x8c0
[  279.392245]  ? do_raw_spin_unlock+0xa7/0x2f0
[  279.396666]  fallback_alloc+0x203/0x2e0
[  279.400650]  ____cache_alloc_node+0x1c7/0x1e0
[  279.405157]  kmem_cache_alloc_node+0xe3/0x730
[  279.409659]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.413908]  __alloc_skb+0x119/0x770
[  279.417631]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  279.422914]  ? skb_scrub_packet+0x490/0x490
[  279.427234]  ? lock_downgrade+0x900/0x900
[  279.431394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.436937]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.442397]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.447871]  ? addrconf_rs_timer+0x6f0/0x6f0
[  279.452298]  ndisc_alloc_skb+0x144/0x340
[  279.456369]  ndisc_send_rs+0x331/0x6e0
[  279.460263]  addrconf_rs_timer+0x3c0/0x6f0
[  279.464504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.468754]  call_timer_fn+0x272/0x920
[  279.472839]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.477068]  ? process_timeout+0x40/0x40
[  279.481136]  ? find_held_lock+0x36/0x1c0
[  279.485210]  ? __run_timers+0x7da/0xc70
[  279.489190]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.493693]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.498194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.502433]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  279.507021]  ? trace_hardirqs_on+0xbd/0x310
[  279.511344]  ? kasan_check_read+0x11/0x20
[  279.515493]  ? __run_timers+0x7da/0xc70
[  279.519472]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  279.524932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.529174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.533410]  __run_timers+0x7e5/0xc70
[  279.537227]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  279.542594]  ? compat_start_thread+0x80/0x80
[  279.547017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.552566]  ? kasan_check_write+0x14/0x20
[  279.556812]  ? finish_task_switch+0x2f5/0x900
[  279.561306]  ? __switch_to_asm+0x40/0x70
[  279.565376]  ? preempt_notifier_register+0x200/0x200
[  279.570484]  ? __switch_to_asm+0x34/0x70
[  279.574543]  ? __switch_to_asm+0x40/0x70
[  279.578609]  ? __switch_to_asm+0x34/0x70
[  279.582671]  ? __switch_to_asm+0x40/0x70
[  279.586729]  ? __switch_to_asm+0x34/0x70
[  279.590791]  ? __switch_to_asm+0x40/0x70
[  279.594863]  ? pvclock_read_flags+0x160/0x160
[  279.599365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.604903]  ? check_preemption_disabled+0x48/0x200
[  279.609931]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  279.615471]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  279.620756]  ? rcu_pm_notify+0xc0/0xc0
[  279.624648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.630191]  ? check_preemption_disabled+0x48/0x200
[  279.635222]  run_timer_softirq+0x52/0xb0
[  279.639289]  ? rcu_read_lock_sched_held+0x108/0x120
[  279.644318]  __do_softirq+0x30b/0xad8
[  279.648146]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  279.653351]  ? schedule+0x108/0x460
[  279.656988]  ? __schedule+0x1ed0/0x1ed0
[  279.660974]  ? trace_hardirqs_off+0xb8/0x300
[  279.665384]  ? ___might_sleep+0x1ed/0x300
[  279.669530]  ? smpboot_thread_fn+0x68b/0xa00
[  279.673942]  ? trace_hardirqs_on+0x310/0x310
[  279.678352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.683894]  ? check_preemption_disabled+0x48/0x200
[  279.688911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.694457]  ? takeover_tasklets+0xa90/0xa90
[  279.698872]  run_ksoftirqd+0x94/0x100
[  279.702678]  smpboot_thread_fn+0x68b/0xa00
[  279.706924]  ? sort_range+0x30/0x30
[  279.710559]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.715668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.721210]  ? __kthread_parkme+0xfb/0x1a0
[  279.725457]  kthread+0x35a/0x420
[  279.728831]  ? sort_range+0x30/0x30
[  279.732464]  ? kthread_bind+0x40/0x40
[  279.736271]  ret_from_fork+0x3a/0x50
[  279.740002] warn_alloc_show_mem: 1 callbacks suppressed
[  279.740015] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  279.740017] Mem-Info:
[  279.740048] active_anon:44072 inactive_anon:951 isolated_anon:0
[  279.740048]  active_file:15 inactive_file:18 isolated_file:0
[  279.740048]  unevictable:0 dirty:0 writeback:0 unstable:0
[  279.740048]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  279.740048]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  279.740048]  free:13779 free_pcp:230 free_cma:0
[  279.745387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.752579] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  279.754975] Call Trace:
[  279.787928] Node 0 
[  279.797275]  <IRQ>
[  279.825052] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  279.827611]  dump_stack+0x1c4/0x2b4
[  279.829824] lowmem_reserve[]:
[  279.831967]  ? dump_stack_print_info.cold.2+0x52/0x52
[  279.857455]  0
[  279.861083]  warn_alloc.cold.118+0xb7/0x1bd
[  279.864160]  2815
[  279.869341]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.871123]  6318
[  279.875441]  ? lock_downgrade+0x900/0x900
[  279.877478]  6318
[  279.882315]  ? trace_hardirqs_off+0xb8/0x300
[  279.888492]  ? trace_hardirqs_off+0xb8/0x300
[  279.890533] Node 0 
[  279.894938]  __alloc_pages_slowpath+0x2667/0x2d80
[  279.899352] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  279.901587]  ? warn_alloc+0x120/0x120
[  279.906380] lowmem_reserve[]:
[  279.933267]  ? trace_hardirqs_on+0x310/0x310
[  279.937046]  0
[  279.940160]  ? warn_alloc+0x120/0x120
[  279.944570]  0
[  279.946370]  ? print_usage_bug+0xc0/0xc0
[  279.950145]  3503
[  279.951947]  ? warn_alloc+0x120/0x120
[  279.955984]  3503
[  279.958062]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  279.963887]  ? print_usage_bug+0xc0/0xc0
[  279.968876] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  279.972964]  ? __lock_acquire+0x7ec/0x4ec0
[  279.972979]  ? __lock_acquire+0x7ec/0x4ec0
[  280.001938] lowmem_reserve[]:
[  280.006262]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.010465]  0
[  280.013568]  ? should_fail+0x22d/0xd01
[  280.019072]  0 0
[  280.020889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.024752]  0
[  280.026722]  ? __lock_acquire+0x7ec/0x4ec0
[  280.033624]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.037833] Node 0 
[  280.042922]  ? __lock_acquire+0x7ec/0x4ec0
[  280.042932] DMA: 
[  280.045167]  ? should_fail+0x22d/0xd01
[  280.049379] 1*4kB 
[  280.051435]  ? print_usage_bug+0xc0/0xc0
[  280.055295] (U) 
[  280.057447]  ? mark_held_locks+0x130/0x130
[  280.061481] 0*8kB 
[  280.063448]  ? mark_held_locks+0x130/0x130
[  280.067657] 0*16kB 
[  280.069807]  ? graph_lock+0x170/0x170
[  280.074028] 1*32kB 
[  280.076263]  ? print_usage_bug+0xc0/0xc0
[  280.080038] (U) 
[  280.082271]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  280.086305] 2*64kB 
[  280.088276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.093003] (U) 
[  280.095238]  ? check_preemption_disabled+0x48/0x200
[  280.100751] 1*128kB 
[  280.102718]  ? check_preemption_disabled+0x48/0x200
[  280.107706] (U) 
[  280.110034]  ? __lock_is_held+0xb5/0x140
[  280.115024] 1*256kB 
[  280.116995]  __alloc_pages_nodemask+0xa80/0xde0
[  280.121026] (U) 
[  280.123345]  ? graph_lock+0x170/0x170
[  280.127992] 0*512kB 
[  280.129972]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  280.133749] 1*1024kB 
[  280.136065]  ? graph_lock+0x170/0x170
[  280.141073] (U) 
[  280.143504]  ? find_held_lock+0x36/0x1c0
[  280.147276] 1*2048kB 
[  280.149250]  ? ____cache_alloc_node+0x1c7/0x1e0
[  280.153277] (M) 
[  280.155681]  ? lock_downgrade+0x900/0x900
[  280.160324] 3*4096kB 
[  280.162301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.166416] (M) 
[  280.168822]  cache_grow_begin+0x91/0x8c0
[  280.174333] = 15908kB
[  280.176305]  ? do_raw_spin_unlock+0xa7/0x2f0
[  280.180339] Node 0 
[  280.182747]  fallback_alloc+0x203/0x2e0
[  280.187125] DMA32: 
[  280.189366]  ____cache_alloc_node+0x1c7/0x1e0
[  280.193311] 1*4kB 
[  280.195543]  kmem_cache_alloc_node+0xe3/0x730
[  280.200011] (M) 
[  280.202156]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.206630] 3*8kB 
[  280.208610]  __alloc_skb+0x119/0x770
[  280.212815] (UM) 
[  280.214972]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.218655] 0*16kB 
[  280.220710]  ? skb_scrub_packet+0x490/0x490
[  280.225962] 3*32kB 
[  280.228192]  ? lock_downgrade+0x900/0x900
[  280.232505] (UM) 
[  280.234745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.238862] 2*64kB 
[  280.240921]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.246433] (M) 
[  280.248668]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.254099] 5*128kB (UM) 3*256kB 
[  280.256121]  ? addrconf_rs_timer+0x6f0/0x6f0
[  280.261545] (M) 
[  280.265009]  ndisc_alloc_skb+0x144/0x340
[  280.269378] 4*512kB 
[  280.271349]  ndisc_send_rs+0x331/0x6e0
[  280.275380] (M) 
[  280.277703]  addrconf_rs_timer+0x3c0/0x6f0
[  280.281560] 3*1024kB 
[  280.283533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.287740] (UM) 
[  280.290158]  call_timer_fn+0x272/0x920
[  280.294352] 3*2048kB (M) 
[  280.296418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.300280] 3*4096kB 
[  280.303035]  ? process_timeout+0x40/0x40
[  280.307241] (M) 
[  280.309646]  ? find_held_lock+0x36/0x1c0
[  280.313679] = 25212kB
[  280.315657]  ? __run_timers+0x7da/0xc70
[  280.319706] Node 0 
[  280.322134]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.326083] Normal: 
[  280.328323]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.332798] 887*4kB 
[  280.335139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.339607] (UME) 
[  280.341929]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  280.346139] 378*8kB 
[  280.348282]  ? trace_hardirqs_on+0xbd/0x310
[  280.352841] (UMEH) 
[  280.355157]  ? kasan_check_read+0x11/0x20
[  280.359452] 172*16kB 
[  280.361700]  ? __run_timers+0x7da/0xc70
[  280.365834] (UMEH) 
[  280.368239]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.372188] 106*32kB 
[  280.374418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.379858] (UMEH) 
[  280.382265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.386471] 16*64kB 
[  280.388702]  __run_timers+0x7e5/0xc70
[  280.392911] (UMH) 
[  280.395238]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  280.399003] 0*128kB 
[  280.401145]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.406484] 1*256kB 
[  280.408798]  ? graph_lock+0x170/0x170
[  280.413790] (H) 
[  280.416119]  ? enqueue_hrtimer+0x1a5/0x560
[  280.419891] 0*512kB 
[  280.421858]  ? lock_release+0x970/0x970
[  280.426068] 0*1024kB 
[  280.428390]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  280.432340] 0*2048kB 
[  280.434745]  ? find_held_lock+0x36/0x1c0
[  280.439909] 0*4096kB 
[  280.442316]  ? graph_lock+0x170/0x170
[  280.446352] = 13996kB
[  280.446366] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  280.448767]  ? pvclock_read_flags+0x160/0x160
[  280.452551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  280.454956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.463764] 4508 total pagecache pages
[  280.468251]  ? check_preemption_disabled+0x48/0x200
[  280.476810] 0 pages in swap cache
[  280.482345]  ? __lock_is_held+0xb5/0x140
[  280.486203] Swap cache stats: add 0, delete 0, find 0/0
[  280.491213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.494640] Free swap  = 0kB
[  280.498694]  ? check_preemption_disabled+0x48/0x200
[  280.504045] Total swap = 0kB
[  280.509596]  run_timer_softirq+0x52/0xb0
[  280.512588] 1965979 pages RAM
[  280.517596]  ? rcu_read_lock_sched_held+0x108/0x120
[  280.520606] 0 pages HighMem/MovableOnly
[  280.524661]  __do_softirq+0x30b/0xad8
[  280.527741] 343323 pages reserved
[  280.532762]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  280.536706] 0 pages cma reserved
[  280.540505]  ? pvclock_read_flags+0x160/0x160
[  280.544003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  280.549027]  ? lapic_next_event+0x5a/0x90
[  280.552464] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  280.556868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.563330] ksoftirqd/1 cpuset=
[  280.567472]  ? check_preemption_disabled+0x48/0x200
[  280.577760] /
[  280.583291]  ? check_preemption_disabled+0x48/0x200
[  280.586570]  mems_allowed=0
[  280.591578]  ? kvm_clock_read+0x18/0x30
[  280.605307]  ? kvm_sched_clock_read+0x9/0x20
[  280.609719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.615256]  ? check_preemption_disabled+0x48/0x200
[  280.620289]  irq_exit+0x17f/0x1c0
[  280.623749]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.628594]  ? smp_reschedule_interrupt+0x109/0x650
[  280.633616]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.639505]  ? interrupt_entry+0xb5/0xf0
[  280.643570]  ? trace_hardirqs_off_caller+0xbb/0x300
[  280.648593]  ? trace_hardirqs_off_caller+0xbb/0x300
[  280.653619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.658462]  ? trace_hardirqs_off+0x300/0x300
[  280.662958]  ? trace_hardirqs_off+0x300/0x300
[  280.667454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.672993]  ? check_preemption_disabled+0x48/0x200
[  280.678010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.683566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.688429]  apic_timer_interrupt+0xf/0x20
[  280.692657]  </IRQ>
[  280.694899] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  280.699843] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  280.718743] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  280.726449] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  280.733730] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  280.741000] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  280.748268] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  280.755540] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  280.762857]  skb_clone+0x1bb/0x500
[  280.766399]  ? finish_task_switch+0x2f5/0x900
[  280.770896]  ? skb_split+0x11e0/0x11e0
[  280.774788]  ? preempt_notifier_register+0x200/0x200
[  280.779893]  ? __switch_to_asm+0x34/0x70
[  280.784220]  ? __switch_to_asm+0x34/0x70
[  280.788280]  ? __switch_to_asm+0x40/0x70
[  280.792343]  ? __switch_to_asm+0x34/0x70
[  280.796404]  ? __switch_to_asm+0x40/0x70
[  280.800467]  ? __switch_to_asm+0x34/0x70
[  280.804526]  ? __switch_to_asm+0x40/0x70
[  280.808588]  ? __switch_to_asm+0x34/0x70
[  280.812651]  ? __switch_to_asm+0x34/0x70
[  280.816713]  ? __switch_to_asm+0x40/0x70
[  280.820776]  ? __switch_to_asm+0x34/0x70
[  280.824859]  bpf_clone_redirect+0xb9/0x490
[  280.829116]  ? __schedule+0x874/0x1ed0
[  280.833017]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  280.838040]  ? __sched_text_start+0x8/0x8
[  280.842189]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  280.846963]  ? find_held_lock+0x36/0x1c0
[  280.851033]  ? lock_acquire+0x1ed/0x520
[  280.855010]  ? bpf_test_run+0x32e/0x5a0
[  280.858992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.864532]  ? check_preemption_disabled+0x48/0x200
[  280.869554]  ? kasan_check_read+0x11/0x20
[  280.873711]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.878991]  ? rcu_bh_qs+0xc0/0xc0
[  280.882539]  ? preempt_schedule+0x4d/0x60
[  280.886695]  ? ___preempt_schedule+0x16/0x18
[  280.891126]  ? bpf_test_run+0x1c0/0x5a0
[  280.895134]  ? netlink_diag_dump+0x2a0/0x2a0
[  280.899550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.905097]  ? bpf_test_init.isra.9+0x70/0x100
[  280.909708]  ? bpf_prog_test_run_skb+0x634/0xb40
[  280.914476]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  280.919319]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  280.924855]  ? fput+0x130/0x1a0
[  280.928141]  ? __bpf_prog_get+0x9b/0x290
[  280.932222]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  280.937066]  ? bpf_prog_test_run+0x130/0x1a0
[  280.941493]  ? __x64_sys_bpf+0x3d8/0x510
[  280.945582]  ? bpf_prog_get+0x20/0x20
[  280.949506]  ? do_syscall_64+0x1b9/0x820
[  280.953581]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  280.958963]  ? syscall_return_slowpath+0x5e0/0x5e0
[  280.963896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.968745]  ? trace_hardirqs_off+0x300/0x300
[  280.973247]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  280.978265]  ? prepare_exit_to_usermode+0x291/0x3b0
[  280.983300]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.988157]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  280.993543] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  280.993647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.000417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.000422] Call Trace:
[  281.000440]  dump_stack+0x1c4/0x2b4
[  281.000460]  ? dump_stack_print_info.cold.2+0x52/0x52
[  281.006992] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.016293]  warn_alloc.cold.118+0xb7/0x1bd
[  281.018847] syz-executor4 cpuset=
[  281.022469]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.027637] syz4
[  281.038134]  ? lock_downgrade+0x900/0x900
[  281.042436]  mems_allowed=0
[  281.045886]  ? trace_hardirqs_off+0xb8/0x300
[  281.064124]  ? trace_hardirqs_off+0xb8/0x300
[  281.068549]  __alloc_pages_slowpath+0x2667/0x2d80
[  281.073425]  ? warn_alloc+0x120/0x120
[  281.077236]  ? warn_alloc+0x120/0x120
[  281.081039]  ? print_usage_bug+0xc0/0xc0
[  281.085112]  ? warn_alloc+0x120/0x120
[  281.088919]  ? print_usage_bug+0xc0/0xc0
[  281.092990]  ? __lock_acquire+0x7ec/0x4ec0
[  281.097225]  ? __lock_acquire+0x7ec/0x4ec0
[  281.101467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.107007]  ? should_fail+0x22d/0xd01
[  281.110919]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.116026]  ? __lock_acquire+0x7ec/0x4ec0
[  281.120274]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.125380]  ? __lock_acquire+0x7ec/0x4ec0
[  281.129620]  ? should_fail+0x22d/0xd01
[  281.133505]  ? print_usage_bug+0xc0/0xc0
[  281.137577]  ? mark_held_locks+0x130/0x130
[  281.141833]  ? mark_held_locks+0x130/0x130
[  281.146081]  ? graph_lock+0x170/0x170
[  281.149905]  ? print_usage_bug+0xc0/0xc0
[  281.153967]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.158730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.164269]  ? check_preemption_disabled+0x48/0x200
[  281.169286]  ? check_preemption_disabled+0x48/0x200
[  281.174313]  ? __lock_is_held+0xb5/0x140
[  281.178387]  __alloc_pages_nodemask+0xa80/0xde0
[  281.183060]  ? graph_lock+0x170/0x170
[  281.186873]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  281.191886]  ? graph_lock+0x170/0x170
[  281.195699]  ? find_held_lock+0x36/0x1c0
[  281.199821]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.204525]  ? lock_downgrade+0x900/0x900
[  281.208684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.214231]  cache_grow_begin+0x91/0x8c0
[  281.218298]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.222716]  fallback_alloc+0x203/0x2e0
[  281.226702]  ____cache_alloc_node+0x1c7/0x1e0
[  281.231205]  kmem_cache_alloc_node+0xe3/0x730
[  281.235703]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.239955]  __alloc_skb+0x119/0x770
[  281.243681]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  281.248964]  ? skb_scrub_packet+0x490/0x490
[  281.253287]  ? lock_downgrade+0x900/0x900
[  281.257449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.262995]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.268456]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.273915]  ? addrconf_rs_timer+0x6f0/0x6f0
[  281.278440]  ndisc_alloc_skb+0x144/0x340
[  281.282513]  ndisc_send_rs+0x331/0x6e0
[  281.286408]  addrconf_rs_timer+0x3c0/0x6f0
[  281.290654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.294906]  call_timer_fn+0x272/0x920
[  281.298796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.303033]  ? process_timeout+0x40/0x40
[  281.307100]  ? find_held_lock+0x36/0x1c0
[  281.311173]  ? __run_timers+0x7da/0xc70
[  281.315155]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.319649]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.324181]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.328415]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  281.333016]  ? trace_hardirqs_on+0xbd/0x310
[  281.337346]  ? kasan_check_read+0x11/0x20
[  281.341494]  ? __run_timers+0x7da/0xc70
[  281.345473]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.350936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.355190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.359428]  __run_timers+0x7e5/0xc70
[  281.363248]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  281.368615]  ? compat_start_thread+0x80/0x80
[  281.373033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.378575]  ? kasan_check_write+0x14/0x20
[  281.382816]  ? finish_task_switch+0x2f5/0x900
[  281.387316]  ? __switch_to_asm+0x40/0x70
[  281.391386]  ? preempt_notifier_register+0x200/0x200
[  281.396503]  ? __switch_to_asm+0x34/0x70
[  281.400564]  ? __switch_to_asm+0x40/0x70
[  281.404625]  ? __switch_to_asm+0x34/0x70
[  281.408689]  ? __switch_to_asm+0x40/0x70
[  281.412752]  ? __switch_to_asm+0x34/0x70
[  281.416816]  ? __switch_to_asm+0x40/0x70
[  281.420895]  ? pvclock_read_flags+0x160/0x160
[  281.425397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.430941]  ? check_preemption_disabled+0x48/0x200
[  281.435972]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  281.441515]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  281.446798]  ? rcu_pm_notify+0xc0/0xc0
[  281.450691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.456228]  ? check_preemption_disabled+0x48/0x200
[  281.461254]  run_timer_softirq+0x52/0xb0
[  281.465316]  ? rcu_read_lock_sched_held+0x108/0x120
[  281.470337]  __do_softirq+0x30b/0xad8
[  281.474430]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  281.479549]  ? schedule+0x108/0x460
[  281.483191]  ? __schedule+0x1ed0/0x1ed0
[  281.487177]  ? trace_hardirqs_off+0xb8/0x300
[  281.491592]  ? ___might_sleep+0x1ed/0x300
[  281.495748]  ? smpboot_thread_fn+0x68b/0xa00
[  281.500160]  ? trace_hardirqs_on+0x310/0x310
[  281.504575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.510126]  ? check_preemption_disabled+0x48/0x200
[  281.515162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.520710]  ? takeover_tasklets+0xa90/0xa90
[  281.525132]  run_ksoftirqd+0x94/0x100
[  281.528938]  smpboot_thread_fn+0x68b/0xa00
[  281.533203]  ? sort_range+0x30/0x30
[  281.536844]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.541949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.547580]  ? __kthread_parkme+0xfb/0x1a0
[  281.551847]  kthread+0x35a/0x420
[  281.555213]  ? sort_range+0x30/0x30
[  281.558853]  ? kthread_bind+0x40/0x40
[  281.562659]  ret_from_fork+0x3a/0x50
[  281.566392] warn_alloc_show_mem: 1 callbacks suppressed
[  281.566408] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  281.566409] Mem-Info:
[  281.566459] active_anon:44072 inactive_anon:951 isolated_anon:0
[  281.566459]  active_file:15 inactive_file:18 isolated_file:0
[  281.566459]  unevictable:0 dirty:0 writeback:0 unstable:0
[  281.566459]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  281.566459]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  281.566459]  free:13779 free_pcp:230 free_cma:0
[  281.571811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.579010] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  281.581411] Call Trace:
[  281.614362] Node 0 
[  281.623717]  <IRQ>
[  281.651494] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  281.654057]  dump_stack+0x1c4/0x2b4
[  281.656265] lowmem_reserve[]:
[  281.658414]  ? dump_stack_print_info.cold.2+0x52/0x52
[  281.683890]  0
[  281.687533]  warn_alloc.cold.118+0xb7/0x1bd
[  281.690598]  2815
[  281.695793]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.697575]  6318
[  281.701896]  ? lock_downgrade+0x900/0x900
[  281.703934]  6318
[  281.708780]  ? trace_hardirqs_off+0xb8/0x300
[  281.714957]  ? trace_hardirqs_off+0xb8/0x300
[  281.716991] Node 0 
[  281.721398]  __alloc_pages_slowpath+0x2667/0x2d80
[  281.725801] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  281.728037]  ? warn_alloc+0x120/0x120
[  281.732822] lowmem_reserve[]: 0
[  281.759729]  ? warn_alloc+0x120/0x120
[  281.763500]  0
[  281.766775]  ? print_usage_bug+0xc0/0xc0
[  281.770552]  3503
[  281.772348]  ? warn_alloc+0x120/0x120
[  281.776382]  3503
[  281.778440]  ? print_usage_bug+0xc0/0xc0
[  281.784277]  ? __lock_acquire+0x7ec/0x4ec0
[  281.788316] Node 0 
[  281.792539]  ? __lock_acquire+0x7ec/0x4ec0
[  281.792574] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  281.794780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.798985] lowmem_reserve[]:
[  281.827350]  ? should_fail+0x22d/0xd01
[  281.832858]  0
[  281.835956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.839819]  0
[  281.841630]  ? __lock_acquire+0x7ec/0x4ec0
[  281.846706]  0
[  281.848502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.852704]  0
[  281.854510]  ? __lock_acquire+0x7ec/0x4ec0
[  281.859589] Node 0 
[  281.861396]  ? should_fail+0x22d/0xd01
[  281.865608] DMA: 
[  281.867862]  ? mark_held_locks+0x130/0x130
[  281.871718] 1*4kB 
[  281.873773]  ? mark_held_locks+0x130/0x130
[  281.877983] (U) 
[  281.880136]  ? graph_lock+0x170/0x170
[  281.884345] 0*8kB 
[  281.886317]  ? graph_lock+0x170/0x170
[  281.890101] 0*16kB 
[  281.892248]  ? graph_lock+0x170/0x170
[  281.896027] 1*32kB 
[  281.898257]  ? print_usage_bug+0xc0/0xc0
[  281.902041] (U) 
[  281.904274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.908310] 2*64kB 
[  281.910281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.915790] (U) 
[  281.918021]  ? check_preemption_disabled+0x48/0x200
[  281.923533] 1*128kB 
[  281.925502]  ? check_preemption_disabled+0x48/0x200
[  281.930492] (U) 
[  281.932817]  ? __lock_is_held+0xb5/0x140
[  281.937793] 1*256kB (U) 
[  281.939775]  __alloc_pages_nodemask+0xa80/0xde0
[  281.943806] 0*512kB 
[  281.946470]  ? graph_lock+0x170/0x170
[  281.951121] 1*1024kB 
[  281.953438]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  281.957215] (U) 
[  281.959622]  ? graph_lock+0x170/0x170
[  281.964618] 1*2048kB 
[  281.966593]  ? find_held_lock+0x36/0x1c0
[  281.970369] (M) 
[  281.972782]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.976811] 3*4096kB 
[  281.978782]  ? lock_downgrade+0x900/0x900
[  281.983427] (M) 
[  281.985873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.989991] = 15908kB
[  281.991967]  cache_grow_begin+0x91/0x8c0
[  281.997477] Node 0 
[  281.999882]  ? do_raw_spin_unlock+0xa7/0x2f0
[  282.003915] DMA32: 
[  282.006154]  fallback_alloc+0x203/0x2e0
[  282.010535] 1*4kB 
[  282.012770]  ____cache_alloc_node+0x1c7/0x1e0
[  282.016717] (M) 
[  282.018865]  kmem_cache_alloc_node+0xe3/0x730
[  282.023332] 3*8kB 
[  282.025305]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.029779] (UM) 
[  282.031933]  __alloc_skb+0x119/0x770
[  282.036140] 0*16kB 3*32kB 
[  282.038214]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  282.041918] (UM) 
[  282.044759]  ? skb_scrub_packet+0x490/0x490
[  282.050023] 2*64kB 
[  282.052080]  ? lock_downgrade+0x900/0x900
[  282.056381] (M) 
[  282.058623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.062743] 5*128kB 
[  282.064718]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.070227] (UM) 
[  282.072547]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.077970] 3*256kB 
[  282.080027]  ? addrconf_rs_timer+0x6f0/0x6f0
[  282.085447] (M) 
[  282.087776]  ndisc_alloc_skb+0x144/0x340
[  282.092149] 4*512kB 
[  282.094146]  ndisc_send_rs+0x331/0x6e0
[  282.098183] (M) 
[  282.100504]  addrconf_rs_timer+0x3c0/0x6f0
[  282.104362] 3*1024kB 
[  282.106334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.110542] (UM) 
[  282.112957]  call_timer_fn+0x272/0x920
[  282.117160] 3*2048kB 
[  282.119220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.123075] (M) 3*4096kB 
[  282.125500]  ? process_timeout+0x40/0x40
[  282.129709] (M) 
[  282.132466]  ? find_held_lock+0x36/0x1c0
[  282.136500] = 25212kB
[  282.138473]  ? __run_timers+0x7da/0xc70
[  282.142502] Node 0 
[  282.144908]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.148854] Normal: 
[  282.151083]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.155560] 887*4kB 
[  282.157877]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.162352] (UME) 
[  282.164683]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  282.168894] 378*8kB 
[  282.171041]  ? trace_hardirqs_on+0xbd/0x310
[  282.175600] (UMEH) 
[  282.177918]  ? kasan_check_read+0x11/0x20
[  282.182215] 172*16kB 
[  282.184464]  ? __run_timers+0x7da/0xc70
[  282.188589] (UMEH) 
[  282.191001]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  282.194971] 106*32kB 
[  282.197222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.202639] (UMEH) 
[  282.205052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.209259] 16*64kB 
[  282.211491]  __run_timers+0x7e5/0xc70
[  282.215696] (UMH) 
[  282.218023]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  282.221789] 0*128kB 
[  282.223938]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.229274] 1*256kB 
[  282.231590]  ? graph_lock+0x170/0x170
[  282.236594] (H) 
[  282.238937]  ? enqueue_hrtimer+0x1a5/0x560
[  282.242718] 0*512kB 
[  282.244707]  ? lock_release+0x970/0x970
[  282.248916] 0*1024kB 
[  282.251237]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.255182] 0*2048kB 0*4096kB 
[  282.257606]  ? find_held_lock+0x36/0x1c0
[  282.262771] = 13996kB
[  282.265966]  ? graph_lock+0x170/0x170
[  282.270007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  282.272418]  ? pvclock_read_flags+0x160/0x160
[  282.276202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  282.285032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.289501] 4508 total pagecache pages
[  282.298070]  ? check_preemption_disabled+0x48/0x200
[  282.303594] 0 pages in swap cache
[  282.307488]  ? __lock_is_held+0xb5/0x140
[  282.312467] Swap cache stats: add 0, delete 0, find 0/0
[  282.312475] Free swap  = 0kB
[  282.315928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.319972] Total swap = 0kB
[  282.325333]  ? check_preemption_disabled+0x48/0x200
[  282.328327] 1965979 pages RAM
[  282.333861]  run_timer_softirq+0x52/0xb0
[  282.336850] 0 pages HighMem/MovableOnly
[  282.341863]  ? rcu_read_lock_sched_held+0x108/0x120
[  282.344935] 343323 pages reserved
[  282.344943] 0 pages cma reserved
[  282.349002]  __do_softirq+0x30b/0xad8
[  282.353048] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.357983]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  282.361500] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.364771]  ? pvclock_read_flags+0x160/0x160
[  282.368544] ksoftirqd/1 cpuset=
[  282.375030]  ? lapic_next_event+0x5a/0x90
[  282.380115] /
[  282.390439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.394921]  mems_allowed=0
[  282.398192]  ? check_preemption_disabled+0x48/0x200
[  282.417463]  ? check_preemption_disabled+0x48/0x200
[  282.422491]  ? kvm_clock_read+0x18/0x30
[  282.426467]  ? kvm_sched_clock_read+0x9/0x20
[  282.430881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.436430]  ? check_preemption_disabled+0x48/0x200
[  282.441463]  irq_exit+0x17f/0x1c0
[  282.444923]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.449769]  ? smp_reschedule_interrupt+0x109/0x650
[  282.454793]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.460694]  ? interrupt_entry+0xb5/0xf0
[  282.464770]  ? trace_hardirqs_off_caller+0xbb/0x300
[  282.469820]  ? trace_hardirqs_off_caller+0xbb/0x300
[  282.475343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.480191]  ? trace_hardirqs_off+0x300/0x300
[  282.484688]  ? trace_hardirqs_off+0x300/0x300
[  282.489186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.494727]  ? check_preemption_disabled+0x48/0x200
[  282.499744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.505292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.510152]  apic_timer_interrupt+0xf/0x20
[  282.514381]  </IRQ>
[  282.516624] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  282.521556] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  282.540462] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  282.548172] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  282.555441] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  282.562711] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  282.569978] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  282.577260] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  282.584574]  skb_clone+0x1bb/0x500
[  282.588129]  ? finish_task_switch+0x2f5/0x900
[  282.592629]  ? skb_split+0x11e0/0x11e0
[  282.596521]  ? preempt_notifier_register+0x200/0x200
[  282.601625]  ? __switch_to_asm+0x34/0x70
[  282.605944]  ? __switch_to_asm+0x34/0x70
[  282.610009]  ? __switch_to_asm+0x40/0x70
[  282.614070]  ? __switch_to_asm+0x34/0x70
[  282.618146]  ? __switch_to_asm+0x40/0x70
[  282.622210]  ? __switch_to_asm+0x34/0x70
[  282.626271]  ? __switch_to_asm+0x40/0x70
[  282.630331]  ? __switch_to_asm+0x34/0x70
[  282.634390]  ? __switch_to_asm+0x34/0x70
[  282.638448]  ? __switch_to_asm+0x40/0x70
[  282.642509]  ? __switch_to_asm+0x34/0x70
[  282.646581]  bpf_clone_redirect+0xb9/0x490
[  282.650823]  ? __schedule+0x874/0x1ed0
[  282.654719]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  282.659741]  ? __sched_text_start+0x8/0x8
[  282.663895]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.668669]  ? find_held_lock+0x36/0x1c0
[  282.672741]  ? lock_acquire+0x1ed/0x520
[  282.676720]  ? bpf_test_run+0x32e/0x5a0
[  282.680699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.686255]  ? check_preemption_disabled+0x48/0x200
[  282.691288]  ? kasan_check_read+0x11/0x20
[  282.695444]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  282.702916]  ? rcu_bh_qs+0xc0/0xc0
[  282.706462]  ? preempt_schedule+0x4d/0x60
[  282.710616]  ? ___preempt_schedule+0x16/0x18
[  282.715035]  ? bpf_test_run+0x1c0/0x5a0
[  282.719022]  ? netlink_diag_dump+0x2a0/0x2a0
[  282.723439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.728977]  ? bpf_test_init.isra.9+0x70/0x100
[  282.733570]  ? bpf_prog_test_run_skb+0x634/0xb40
[  282.738345]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  282.743201]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  282.748739]  ? fput+0x130/0x1a0
[  282.752025]  ? __bpf_prog_get+0x9b/0x290
[  282.756089]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  282.760948]  ? bpf_prog_test_run+0x130/0x1a0
[  282.765365]  ? __x64_sys_bpf+0x3d8/0x510
[  282.769431]  ? bpf_prog_get+0x20/0x20
[  282.773259]  ? do_syscall_64+0x1b9/0x820
[  282.777325]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  282.782693]  ? syscall_return_slowpath+0x5e0/0x5e0
[  282.787623]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.792470]  ? trace_hardirqs_off+0x300/0x300
[  282.796969]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  282.801990]  ? prepare_exit_to_usermode+0x291/0x3b0
[  282.807015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.811868]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  282.817253] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  282.817323] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.824103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  282.824109] Call Trace:
[  282.824128]  dump_stack+0x1c4/0x2b4
[  282.824145]  ? dump_stack_print_info.cold.2+0x52/0x52
[  282.824171]  warn_alloc.cold.118+0xb7/0x1bd
[  282.830724] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.839995]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.842559] syz-executor4 cpuset=
[  282.846179]  ? lock_downgrade+0x900/0x900
[  282.851342] syz4
[  282.855663]  ? trace_hardirqs_off+0xb8/0x300
[  282.866138]  mems_allowed=0
[  282.870981]  ? trace_hardirqs_off+0xb8/0x300
[  282.892215]  __alloc_pages_slowpath+0x2667/0x2d80
[  282.897102]  ? warn_alloc+0x120/0x120
[  282.900918]  ? warn_alloc+0x120/0x120
[  282.904728]  ? print_usage_bug+0xc0/0xc0
[  282.908791]  ? warn_alloc+0x120/0x120
[  282.912593]  ? print_usage_bug+0xc0/0xc0
[  282.916664]  ? __lock_acquire+0x7ec/0x4ec0
[  282.920900]  ? __lock_acquire+0x7ec/0x4ec0
[  282.925143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.930684]  ? should_fail+0x22d/0xd01
[  282.934584]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.939694]  ? __lock_acquire+0x7ec/0x4ec0
[  282.943943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.949049]  ? __lock_acquire+0x7ec/0x4ec0
[  282.953287]  ? should_fail+0x22d/0xd01
[  282.957177]  ? print_usage_bug+0xc0/0xc0
[  282.961250]  ? mark_held_locks+0x130/0x130
[  282.965494]  ? mark_held_locks+0x130/0x130
[  282.969740]  ? graph_lock+0x170/0x170
[  282.973539]  ? print_usage_bug+0xc0/0xc0
[  282.977610]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.982438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.987980]  ? check_preemption_disabled+0x48/0x200
[  282.992998]  ? check_preemption_disabled+0x48/0x200
[  282.998026]  ? __lock_is_held+0xb5/0x140
[  283.002106]  __alloc_pages_nodemask+0xa80/0xde0
[  283.006782]  ? graph_lock+0x170/0x170
[  283.010592]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  283.015621]  ? graph_lock+0x170/0x170
[  283.019437]  ? find_held_lock+0x36/0x1c0
[  283.023510]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.028182]  ? lock_downgrade+0x900/0x900
[  283.032342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.037889]  cache_grow_begin+0x91/0x8c0
[  283.041956]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.046377]  fallback_alloc+0x203/0x2e0
[  283.050360]  ____cache_alloc_node+0x1c7/0x1e0
[  283.054864]  kmem_cache_alloc_node+0xe3/0x730
[  283.059363]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.063618]  __alloc_skb+0x119/0x770
[  283.067335]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.072629]  ? skb_scrub_packet+0x490/0x490
[  283.076958]  ? lock_downgrade+0x900/0x900
[  283.081128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.086671]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.092138]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.097594]  ? addrconf_rs_timer+0x6f0/0x6f0
[  283.102024]  ndisc_alloc_skb+0x144/0x340
[  283.106104]  ndisc_send_rs+0x331/0x6e0
[  283.110000]  addrconf_rs_timer+0x3c0/0x6f0
[  283.114242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.118495]  call_timer_fn+0x272/0x920
[  283.122388]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.126630]  ? process_timeout+0x40/0x40
[  283.130691]  ? find_held_lock+0x36/0x1c0
[  283.134763]  ? __run_timers+0x7da/0xc70
[  283.138743]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.143274]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.147770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.152011]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  283.156621]  ? trace_hardirqs_on+0xbd/0x310
[  283.160942]  ? kasan_check_read+0x11/0x20
[  283.165106]  ? __run_timers+0x7da/0xc70
[  283.169105]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.174567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.178823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.183063]  __run_timers+0x7e5/0xc70
[  283.186885]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  283.192251]  ? compat_start_thread+0x80/0x80
[  283.196667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.202216]  ? kasan_check_write+0x14/0x20
[  283.206454]  ? finish_task_switch+0x2f5/0x900
[  283.210950]  ? __switch_to_asm+0x40/0x70
[  283.215023]  ? preempt_notifier_register+0x200/0x200
[  283.220128]  ? __switch_to_asm+0x34/0x70
[  283.224191]  ? __switch_to_asm+0x40/0x70
[  283.228267]  ? __switch_to_asm+0x34/0x70
[  283.232329]  ? __switch_to_asm+0x40/0x70
[  283.236392]  ? __switch_to_asm+0x34/0x70
[  283.240462]  ? __switch_to_asm+0x40/0x70
[  283.244532]  ? pvclock_read_flags+0x160/0x160
[  283.249030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.254572]  ? check_preemption_disabled+0x48/0x200
[  283.259613]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  283.265153]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.270436]  ? rcu_pm_notify+0xc0/0xc0
[  283.274325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.279882]  ? check_preemption_disabled+0x48/0x200
[  283.284908]  run_timer_softirq+0x52/0xb0
[  283.288984]  ? rcu_read_lock_sched_held+0x108/0x120
[  283.294015]  __do_softirq+0x30b/0xad8
[  283.297834]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  283.302947]  ? schedule+0x108/0x460
[  283.306579]  ? __schedule+0x1ed0/0x1ed0
[  283.311258]  ? trace_hardirqs_off+0xb8/0x300
[  283.315669]  ? ___might_sleep+0x1ed/0x300
[  283.319819]  ? smpboot_thread_fn+0x68b/0xa00
[  283.324233]  ? trace_hardirqs_on+0x310/0x310
[  283.328645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.334185]  ? check_preemption_disabled+0x48/0x200
[  283.339201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.344744]  ? takeover_tasklets+0xa90/0xa90
[  283.349157]  run_ksoftirqd+0x94/0x100
[  283.352958]  smpboot_thread_fn+0x68b/0xa00
[  283.357196]  ? sort_range+0x30/0x30
[  283.360829]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.365932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.371470]  ? __kthread_parkme+0xfb/0x1a0
[  283.375714]  kthread+0x35a/0x420
[  283.379114]  ? sort_range+0x30/0x30
[  283.382742]  ? kthread_bind+0x40/0x40
[  283.386547]  ret_from_fork+0x3a/0x50
[  283.390281] warn_alloc_show_mem: 1 callbacks suppressed
[  283.390293] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  283.390295] Mem-Info:
[  283.390327] active_anon:44072 inactive_anon:951 isolated_anon:0
[  283.390327]  active_file:15 inactive_file:18 isolated_file:0
[  283.390327]  unevictable:0 dirty:0 writeback:0 unstable:0
[  283.390327]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  283.390327]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  283.390327]  free:13779 free_pcp:230 free_cma:0
[  283.395665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.402859] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  283.405258] Call Trace:
[  283.438212] Node 0 
[  283.447556]  <IRQ>
[  283.475530] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  283.478107]  dump_stack+0x1c4/0x2b4
[  283.480312] lowmem_reserve[]:
[  283.482544]  ? dump_stack_print_info.cold.2+0x52/0x52
[  283.508026]  0
[  283.511659]  warn_alloc.cold.118+0xb7/0x1bd
[  283.514727]  2815
[  283.519922]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.521700]  6318
[  283.526016]  ? lock_downgrade+0x900/0x900
[  283.528067]  6318
[  283.532916]  ? trace_hardirqs_off+0xb8/0x300
[  283.539113]  ? trace_hardirqs_off+0xb8/0x300
[  283.541146] Node 0 
[  283.545558]  __alloc_pages_slowpath+0x2667/0x2d80
[  283.549962] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  283.552197]  ? warn_alloc+0x120/0x120
[  283.556988] lowmem_reserve[]:
[  283.583882]  ? trace_hardirqs_on+0x310/0x310
[  283.587663]  0
[  283.590768]  ? warn_alloc+0x120/0x120
[  283.595152]  0
[  283.596953]  ? print_usage_bug+0xc0/0xc0
[  283.600731]  3503
[  283.602538]  ? warn_alloc+0x120/0x120
[  283.606573]  3503
[  283.608635]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  283.614463]  ? print_usage_bug+0xc0/0xc0
[  283.619454] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  283.623539]  ? __lock_acquire+0x7ec/0x4ec0
[  283.623555]  ? __lock_acquire+0x7ec/0x4ec0
[  283.652505] lowmem_reserve[]: 0
[  283.656777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.660985]  0
[  283.664274]  ? should_fail+0x22d/0xd01
[  283.669776]  0 0
[  283.671586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.677427]  ? __lock_acquire+0x7ec/0x4ec0
[  283.682503] Node 0 DMA: 
[  283.686730]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.686746]  ? __lock_acquire+0x7ec/0x4ec0
[  283.689397] 1*4kB 
[  283.694495]  ? should_fail+0x22d/0xd01
[  283.698722] (U) 
[  283.700867]  ? print_usage_bug+0xc0/0xc0
[  283.704742] 0*8kB 
[  283.706717]  ? mark_held_locks+0x130/0x130
[  283.710747] 0*16kB 
[  283.712903]  ? mark_held_locks+0x130/0x130
[  283.717118] 1*32kB 
[  283.719354]  ? graph_lock+0x170/0x170
[  283.723568] (U) 
[  283.725800]  ? print_usage_bug+0xc0/0xc0
[  283.729577] 2*64kB 
[  283.731573]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  283.735608] (U) 
[  283.737839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.742566] 1*128kB 
[  283.744536]  ? check_preemption_disabled+0x48/0x200
[  283.750048] (U) 
[  283.752369]  ? check_preemption_disabled+0x48/0x200
[  283.757363] 1*256kB 
[  283.759340]  ? __lock_is_held+0xb5/0x140
[  283.764325] (U) 
[  283.766649]  __alloc_pages_nodemask+0xa80/0xde0
[  283.770683] 0*512kB 
[  283.772684]  ? graph_lock+0x170/0x170
[  283.777328] 1*1024kB 
[  283.779643]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  283.783416] (U) 
[  283.785821]  ? graph_lock+0x170/0x170
[  283.790814] 1*2048kB 
[  283.792795]  ? find_held_lock+0x36/0x1c0
[  283.796577] (M) 
[  283.798991]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.803020] 3*4096kB 
[  283.805005]  ? lock_downgrade+0x900/0x900
[  283.809647] (M) 
[  283.812058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.816179] = 15908kB
[  283.818150]  cache_grow_begin+0x91/0x8c0
[  283.823662] Node 0 
[  283.826066]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.830129] DMA32: 
[  283.832366]  fallback_alloc+0x203/0x2e0
[  283.836743] 1*4kB 
[  283.838978]  ____cache_alloc_node+0x1c7/0x1e0
[  283.842920] (M) 
[  283.845064]  kmem_cache_alloc_node+0xe3/0x730
[  283.849541] 3*8kB 
[  283.851514]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.855980] (UM) 
[  283.858143]  __alloc_skb+0x119/0x770
[  283.862357] 0*16kB 
[  283.864417]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.868115] 3*32kB 
[  283.870347]  ? skb_scrub_packet+0x490/0x490
[  283.875596] (UM) 
[  283.877827]  ? lock_downgrade+0x900/0x900
[  283.882128] 2*64kB 
[  283.884191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.888307] (M) 
[  283.890550]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.896058] 5*128kB 
[  283.898029]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.903451] (UM) 
[  283.905782]  ? addrconf_rs_timer+0x6f0/0x6f0
[  283.911206] 3*256kB 
[  283.913272]  ndisc_alloc_skb+0x144/0x340
[  283.917646] (M) 
[  283.919977]  ndisc_send_rs+0x331/0x6e0
[  283.924019] 4*512kB 
[  283.926005]  addrconf_rs_timer+0x3c0/0x6f0
[  283.929866] (M) 
[  283.932186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.936393] 3*1024kB 
[  283.938371]  call_timer_fn+0x272/0x920
[  283.942569] (UM) 
[  283.944974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.948835] 3*2048kB 
[  283.950907]  ? process_timeout+0x40/0x40
[  283.955132] (M) 
[  283.957538]  ? find_held_lock+0x36/0x1c0
[  283.961573] 3*4096kB 
[  283.963549]  ? __run_timers+0x7da/0xc70
[  283.967577] (M) 
[  283.969996]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.973943] = 25212kB
[  283.975915]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.980385] Node 0 
[  283.982796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.987264] Normal: 
[  283.989494]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  283.993703] 887*4kB 
[  283.996019]  ? trace_hardirqs_on+0xbd/0x310
[  284.000593] (UME) 
[  284.002913]  ? kasan_check_read+0x11/0x20
[  284.007209] 378*8kB 
[  284.009350]  ? __run_timers+0x7da/0xc70
[  284.013471] (UMEH) 
[  284.015788]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.019736] 172*16kB 
[  284.021969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.027392] (UMEH) 
[  284.029813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.034019] 106*32kB 
[  284.036257]  __run_timers+0x7e5/0xc70
[  284.040464] (UMEH) 
[  284.042878]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  284.046643] 16*64kB 
[  284.048879]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.054228] (UMH) 
[  284.056557]  ? graph_lock+0x170/0x170
[  284.061548] 0*128kB 
[  284.063690]  ? enqueue_hrtimer+0x1a5/0x560
[  284.067466] 1*256kB 
[  284.069783]  ? lock_release+0x970/0x970
[  284.073989] (H) 
[  284.076325]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  284.080275] 0*512kB 
[  284.082251]  ? find_held_lock+0x36/0x1c0
[  284.087411] 0*1024kB 
[  284.089731]  ? graph_lock+0x170/0x170
[  284.093766] 0*2048kB 
[  284.096169]  ? pvclock_read_flags+0x160/0x160
[  284.099942] 0*4096kB 
[  284.102346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.106816] = 13996kB
[  284.109219]  ? check_preemption_disabled+0x48/0x200
[  284.114755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  284.117174]  ? __lock_is_held+0xb5/0x140
[  284.122167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  284.130993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.135028] 4508 total pagecache pages
[  284.143595]  ? check_preemption_disabled+0x48/0x200
[  284.149137] 0 pages in swap cache
[  284.153022]  run_timer_softirq+0x52/0xb0
[  284.158016] Swap cache stats: add 0, delete 0, find 0/0
[  284.161463]  ? rcu_read_lock_sched_held+0x108/0x120
[  284.165494] Free swap  = 0kB
[  284.165503] Total swap = 0kB
[  284.170869]  __do_softirq+0x30b/0xad8
[  284.175858] 1965979 pages RAM
[  284.178879]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  284.181868] 0 pages HighMem/MovableOnly
[  284.185666]  ? pvclock_read_flags+0x160/0x160
[  284.188746] 343323 pages reserved
[  284.193848]  ? lapic_next_event+0x5a/0x90
[  284.197796] 0 pages cma reserved
[  284.202285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.205784] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.209863]  ? check_preemption_disabled+0x48/0x200
[  284.213335] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.218767]  ? check_preemption_disabled+0x48/0x200
[  284.225243] ksoftirqd/1 cpuset=
[  284.230256]  ? kvm_clock_read+0x18/0x30
[  284.240542] /
[  284.245558]  ? kvm_sched_clock_read+0x9/0x20
[  284.248812]  mems_allowed=0
[  284.252809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.267353]  ? check_preemption_disabled+0x48/0x200
[  284.272385]  irq_exit+0x17f/0x1c0
[  284.275849]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.280694]  ? smp_reschedule_interrupt+0x109/0x650
[  284.285716]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.291601]  ? interrupt_entry+0xb5/0xf0
[  284.295668]  ? trace_hardirqs_off_caller+0xbb/0x300
[  284.300701]  ? trace_hardirqs_off_caller+0xbb/0x300
[  284.305734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.310581]  ? trace_hardirqs_off+0x300/0x300
[  284.315078]  ? trace_hardirqs_off+0x300/0x300
[  284.319593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.325140]  ? check_preemption_disabled+0x48/0x200
[  284.330161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.335710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.340565]  apic_timer_interrupt+0xf/0x20
[  284.344793]  </IRQ>
[  284.347035] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.351967] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  284.370865] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  284.378584] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  284.385850] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  284.393141] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  284.400411] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  284.407680] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  284.414999]  skb_clone+0x1bb/0x500
[  284.418565]  ? finish_task_switch+0x2f5/0x900
[  284.423071]  ? skb_split+0x11e0/0x11e0
[  284.426978]  ? preempt_notifier_register+0x200/0x200
[  284.432082]  ? __switch_to_asm+0x34/0x70
[  284.436162]  ? __switch_to_asm+0x34/0x70
[  284.440223]  ? __switch_to_asm+0x40/0x70
[  284.444287]  ? __switch_to_asm+0x34/0x70
[  284.448351]  ? __switch_to_asm+0x40/0x70
[  284.452410]  ? __switch_to_asm+0x34/0x70
[  284.456473]  ? __switch_to_asm+0x40/0x70
[  284.460536]  ? __switch_to_asm+0x34/0x70
[  284.464599]  ? __switch_to_asm+0x34/0x70
[  284.468661]  ? __switch_to_asm+0x40/0x70
[  284.472723]  ? __switch_to_asm+0x34/0x70
[  284.476794]  bpf_clone_redirect+0xb9/0x490
[  284.481089]  ? __schedule+0x874/0x1ed0
[  284.485004]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  284.490024]  ? __sched_text_start+0x8/0x8
[  284.494178]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.498951]  ? find_held_lock+0x36/0x1c0
[  284.503022]  ? lock_acquire+0x1ed/0x520
[  284.507002]  ? bpf_test_run+0x32e/0x5a0
[  284.510978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.516517]  ? check_preemption_disabled+0x48/0x200
[  284.521541]  ? kasan_check_read+0x11/0x20
[  284.525701]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  284.530982]  ? rcu_bh_qs+0xc0/0xc0
[  284.534527]  ? preempt_schedule+0x4d/0x60
[  284.538682]  ? ___preempt_schedule+0x16/0x18
[  284.543113]  ? bpf_test_run+0x1c0/0x5a0
[  284.547129]  ? netlink_diag_dump+0x2a0/0x2a0
[  284.551558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.557113]  ? bpf_test_init.isra.9+0x70/0x100
[  284.561705]  ? bpf_prog_test_run_skb+0x634/0xb40
[  284.566479]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  284.571328]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.576870]  ? fput+0x130/0x1a0
[  284.580153]  ? __bpf_prog_get+0x9b/0x290
[  284.584222]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  284.589072]  ? bpf_prog_test_run+0x130/0x1a0
[  284.593505]  ? __x64_sys_bpf+0x3d8/0x510
[  284.597568]  ? bpf_prog_get+0x20/0x20
[  284.601391]  ? do_syscall_64+0x1b9/0x820
[  284.605654]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  284.611023]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.615955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.620799]  ? trace_hardirqs_off+0x300/0x300
[  284.625300]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  284.630323]  ? prepare_exit_to_usermode+0x291/0x3b0
[  284.635348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.640202]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  284.645588] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  284.645660] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.652438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.652443] Call Trace:
[  284.652462]  dump_stack+0x1c4/0x2b4
[  284.652482]  ? dump_stack_print_info.cold.2+0x52/0x52
[  284.659014] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.668322]  warn_alloc.cold.118+0xb7/0x1bd
[  284.670902] syz-executor4 cpuset=
[  284.674520]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.679693] syz4
[  284.690176]  ? lock_downgrade+0x900/0x900
[  284.694473]  mems_allowed=0
[  284.697921]  ? trace_hardirqs_off+0xb8/0x300
[  284.716173]  ? trace_hardirqs_off+0xb8/0x300
[  284.720592]  __alloc_pages_slowpath+0x2667/0x2d80
[  284.725477]  ? warn_alloc+0x120/0x120
[  284.729291]  ? warn_alloc+0x120/0x120
[  284.733107]  ? print_usage_bug+0xc0/0xc0
[  284.737176]  ? warn_alloc+0x120/0x120
[  284.740980]  ? print_usage_bug+0xc0/0xc0
[  284.745047]  ? __lock_acquire+0x7ec/0x4ec0
[  284.749286]  ? __lock_acquire+0x7ec/0x4ec0
[  284.753540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.759188]  ? should_fail+0x22d/0xd01
[  284.763079]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.768205]  ? __lock_acquire+0x7ec/0x4ec0
[  284.772494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.777625]  ? __lock_acquire+0x7ec/0x4ec0
[  284.781882]  ? should_fail+0x22d/0xd01
[  284.785767]  ? print_usage_bug+0xc0/0xc0
[  284.789851]  ? mark_held_locks+0x130/0x130
[  284.794088]  ? mark_held_locks+0x130/0x130
[  284.798344]  ? graph_lock+0x170/0x170
[  284.802162]  ? print_usage_bug+0xc0/0xc0
[  284.806224]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.810984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.816543]  ? check_preemption_disabled+0x48/0x200
[  284.821557]  ? check_preemption_disabled+0x48/0x200
[  284.826590]  ? __lock_is_held+0xb5/0x140
[  284.830664]  __alloc_pages_nodemask+0xa80/0xde0
[  284.835335]  ? graph_lock+0x170/0x170
[  284.839142]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  284.844159]  ? graph_lock+0x170/0x170
[  284.847975]  ? find_held_lock+0x36/0x1c0
[  284.852048]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.856718]  ? lock_downgrade+0x900/0x900
[  284.860874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.866418]  cache_grow_begin+0x91/0x8c0
[  284.870488]  ? do_raw_spin_unlock+0xa7/0x2f0
[  284.874920]  fallback_alloc+0x203/0x2e0
[  284.878909]  ____cache_alloc_node+0x1c7/0x1e0
[  284.883417]  kmem_cache_alloc_node+0xe3/0x730
[  284.887914]  ? ipv6_get_ifaddr+0x42e/0x620
[  284.892175]  __alloc_skb+0x119/0x770
[  284.895895]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  284.901196]  ? skb_scrub_packet+0x490/0x490
[  284.905530]  ? lock_downgrade+0x900/0x900
[  284.909690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.915236]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.920692]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.926145]  ? addrconf_rs_timer+0x6f0/0x6f0
[  284.930572]  ndisc_alloc_skb+0x144/0x340
[  284.934649]  ndisc_send_rs+0x331/0x6e0
[  284.938546]  addrconf_rs_timer+0x3c0/0x6f0
[  284.942787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.947039]  call_timer_fn+0x272/0x920
[  284.950927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.955168]  ? process_timeout+0x40/0x40
[  284.959231]  ? find_held_lock+0x36/0x1c0
[  284.963309]  ? __run_timers+0x7da/0xc70
[  284.967291]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.971789]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.976286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.980521]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  284.985115]  ? trace_hardirqs_on+0xbd/0x310
[  284.989441]  ? kasan_check_read+0x11/0x20
[  284.993594]  ? __run_timers+0x7da/0xc70
[  284.997577]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.003037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.007284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.011521]  __run_timers+0x7e5/0xc70
[  285.015338]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  285.020704]  ? compat_start_thread+0x80/0x80
[  285.025128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.030846]  ? kasan_check_write+0x14/0x20
[  285.035091]  ? finish_task_switch+0x2f5/0x900
[  285.039624]  ? __switch_to_asm+0x40/0x70
[  285.043694]  ? preempt_notifier_register+0x200/0x200
[  285.048799]  ? __switch_to_asm+0x34/0x70
[  285.052857]  ? __switch_to_asm+0x40/0x70
[  285.056918]  ? __switch_to_asm+0x34/0x70
[  285.060980]  ? __switch_to_asm+0x40/0x70
[  285.065042]  ? __switch_to_asm+0x34/0x70
[  285.069111]  ? __switch_to_asm+0x40/0x70
[  285.073188]  ? pvclock_read_flags+0x160/0x160
[  285.077685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.083225]  ? check_preemption_disabled+0x48/0x200
[  285.088255]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  285.093795]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.099074]  ? rcu_pm_notify+0xc0/0xc0
[  285.102977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.108515]  ? check_preemption_disabled+0x48/0x200
[  285.113540]  run_timer_softirq+0x52/0xb0
[  285.117611]  ? rcu_read_lock_sched_held+0x108/0x120
[  285.122637]  __do_softirq+0x30b/0xad8
[  285.126450]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  285.131563]  ? schedule+0x108/0x460
[  285.135198]  ? __schedule+0x1ed0/0x1ed0
[  285.139184]  ? trace_hardirqs_off+0xb8/0x300
[  285.143599]  ? ___might_sleep+0x1ed/0x300
[  285.147755]  ? smpboot_thread_fn+0x68b/0xa00
[  285.152166]  ? trace_hardirqs_on+0x310/0x310
[  285.156585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.162129]  ? check_preemption_disabled+0x48/0x200
[  285.167149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.172691]  ? takeover_tasklets+0xa90/0xa90
[  285.177116]  run_ksoftirqd+0x94/0x100
[  285.180920]  smpboot_thread_fn+0x68b/0xa00
[  285.185159]  ? sort_range+0x30/0x30
[  285.188789]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.193894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.199435]  ? __kthread_parkme+0xfb/0x1a0
[  285.203773]  kthread+0x35a/0x420
[  285.207142]  ? sort_range+0x30/0x30
[  285.210768]  ? kthread_bind+0x40/0x40
[  285.214628]  ret_from_fork+0x3a/0x50
[  285.218366] warn_alloc_show_mem: 1 callbacks suppressed
[  285.218378] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  285.218380] Mem-Info:
[  285.218411] active_anon:44072 inactive_anon:951 isolated_anon:0
[  285.218411]  active_file:15 inactive_file:18 isolated_file:0
[  285.218411]  unevictable:0 dirty:0 writeback:0 unstable:0
[  285.218411]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  285.218411]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  285.218411]  free:13779 free_pcp:230 free_cma:0
[  285.223749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.230937] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  285.233333] Call Trace:
[  285.266285] Node 0 
[  285.275637]  <IRQ>
[  285.303412] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  285.305974]  dump_stack+0x1c4/0x2b4
[  285.308183] lowmem_reserve[]:
[  285.310328]  ? dump_stack_print_info.cold.2+0x52/0x52
[  285.335797]  0 2815
[  285.339441]  warn_alloc.cold.118+0xb7/0x1bd
[  285.342507]  6318
[  285.347689]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.349901]  6318
[  285.354217]  ? lock_downgrade+0x900/0x900
[  285.361111]  ? trace_hardirqs_off+0xb8/0x300
[  285.363143] Node 0 
[  285.367285]  ? trace_hardirqs_off+0xb8/0x300
[  285.371690] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  285.373901]  __alloc_pages_slowpath+0x2667/0x2d80
[  285.378277] lowmem_reserve[]:
[  285.405191]  ? warn_alloc+0x120/0x120
[  285.409982]  0
[  285.413087]  ? warn_alloc+0x120/0x120
[  285.416865]  0
[  285.418664]  ? print_usage_bug+0xc0/0xc0
[  285.422437]  3503
[  285.424238]  ? warn_alloc+0x120/0x120
[  285.428274]  3503
[  285.430333]  ? print_usage_bug+0xc0/0xc0
[  285.434117] Node 0 
[  285.436173]  ? __lock_acquire+0x7ec/0x4ec0
[  285.440236] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  285.442444]  ? __lock_acquire+0x7ec/0x4ec0
[  285.446652] lowmem_reserve[]:
[  285.475526]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.479750]  0
[  285.482851]  ? should_fail+0x22d/0xd01
[  285.488389]  0
[  285.490188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.494062]  0
[  285.495858]  ? __lock_acquire+0x7ec/0x4ec0
[  285.500933]  0
[  285.502730]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.508736]  ? __lock_acquire+0x7ec/0x4ec0
[  285.513814] Node 0 
[  285.518039]  ? should_fail+0x22d/0xd01
[  285.518049] DMA: 
[  285.520292]  ? mark_held_locks+0x130/0x130
[  285.524160] 1*4kB 
[  285.526224]  ? mark_held_locks+0x130/0x130
[  285.530433] (U) 
[  285.532585]  ? graph_lock+0x170/0x170
[  285.536793] 0*8kB 0*16kB 
[  285.538777]  ? graph_lock+0x170/0x170
[  285.542552] 1*32kB 
[  285.545311]  ? graph_lock+0x170/0x170
[  285.549083] (U) 
[  285.551330]  ? print_usage_bug+0xc0/0xc0
[  285.555116] 2*64kB 
[  285.557122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.561167] (U) 
[  285.563398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.568921] 1*128kB 
[  285.570891]  ? check_preemption_disabled+0x48/0x200
[  285.576404] (U) 
[  285.578719]  ? check_preemption_disabled+0x48/0x200
[  285.583709] 1*256kB 
[  285.585689]  ? __lock_is_held+0xb5/0x140
[  285.590673] (U) 
[  285.592995]  __alloc_pages_nodemask+0xa80/0xde0
[  285.597032] 0*512kB 
[  285.599000]  ? graph_lock+0x170/0x170
[  285.603648] 1*1024kB 
[  285.605968]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  285.609743] (U) 
[  285.612146]  ? graph_lock+0x170/0x170
[  285.617138] 1*2048kB 
[  285.619129]  ? find_held_lock+0x36/0x1c0
[  285.622891] (M) 
[  285.625306]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.629338] 3*4096kB 
[  285.631306]  ? lock_downgrade+0x900/0x900
[  285.635943] (M) = 15908kB
[  285.638363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.642498] Node 0 
[  285.645251]  cache_grow_begin+0x91/0x8c0
[  285.650760] DMA32: 
[  285.652991]  ? do_raw_spin_unlock+0xa7/0x2f0
[  285.657027] 1*4kB 
[  285.659264]  fallback_alloc+0x203/0x2e0
[  285.663641] (M) 
[  285.665791]  ____cache_alloc_node+0x1c7/0x1e0
[  285.669737] 3*8kB 
[  285.671711]  kmem_cache_alloc_node+0xe3/0x730
[  285.676176] (UM) 
[  285.678326]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.682792] 0*16kB 
[  285.684857]  __alloc_skb+0x119/0x770
[  285.689061] 3*32kB 
[  285.691293]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.694976] (UM) 
[  285.697210]  ? skb_scrub_packet+0x490/0x490
[  285.702465] 2*64kB 
[  285.704523]  ? lock_downgrade+0x900/0x900
[  285.708820] (M) 
[  285.711060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.715178] 5*128kB 
[  285.717159]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.722664] (UM) 
[  285.724981]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.730405] 3*256kB 
[  285.732464]  ? addrconf_rs_timer+0x6f0/0x6f0
[  285.737885] (M) 
[  285.740220]  ndisc_alloc_skb+0x144/0x340
[  285.744593] 4*512kB 
[  285.746564]  ndisc_send_rs+0x331/0x6e0
[  285.750597] (M) 
[  285.752952]  addrconf_rs_timer+0x3c0/0x6f0
[  285.756813] 3*1024kB 
[  285.758812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.763022] (UM) 
[  285.765440]  call_timer_fn+0x272/0x920
[  285.769642] 3*2048kB 
[  285.771698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.775560] (M) 
[  285.777965]  ? process_timeout+0x40/0x40
[  285.782192] 3*4096kB 
[  285.784161]  ? find_held_lock+0x36/0x1c0
[  285.788195] (M) 
[  285.790606]  ? __run_timers+0x7da/0xc70
[  285.794644] = 25212kB
[  285.796621]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.800570] Node 0 
[  285.802973]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.807443] Normal: 
[  285.809679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.814145] 887*4kB 
[  285.816468]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  285.820671] (UME) 
[  285.822990]  ? trace_hardirqs_on+0xbd/0x310
[  285.827548] 378*8kB 
[  285.829689]  ? kasan_check_read+0x11/0x20
[  285.833987] (UMEH) 
[  285.836303]  ? __run_timers+0x7da/0xc70
[  285.840427] 172*16kB 
[  285.842657]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.846609] (UMEH) 
[  285.849008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.854431] 106*32kB 
[  285.856662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.860877] (UMEH) 
[  285.863283]  __run_timers+0x7e5/0xc70
[  285.867494] 16*64kB 
[  285.869736]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  285.873502] (UMH) 
[  285.875842]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.881221] 0*128kB 
[  285.883364]  ? graph_lock+0x170/0x170
[  285.888353] 1*256kB 
[  285.890668]  ? enqueue_hrtimer+0x1a5/0x560
[  285.894441] (H) 
[  285.896757]  ? lock_release+0x970/0x970
[  285.900965] 0*512kB 
[  285.902937]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  285.906888] 0*1024kB 
[  285.909211]  ? find_held_lock+0x36/0x1c0
[  285.914375] 0*2048kB 
[  285.916777]  ? graph_lock+0x170/0x170
[  285.920812] 0*4096kB 
[  285.923216]  ? pvclock_read_flags+0x160/0x160
[  285.926991] = 13996kB
[  285.929393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.933881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  285.936278]  ? check_preemption_disabled+0x48/0x200
[  285.941798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  285.950640]  ? __lock_is_held+0xb5/0x140
[  285.955627] 4508 total pagecache pages
[  285.964193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.968236] 0 pages in swap cache
[  285.972142]  ? check_preemption_disabled+0x48/0x200
[  285.977661] Swap cache stats: add 0, delete 0, find 0/0
[  285.981118]  run_timer_softirq+0x52/0xb0
[  285.986112] Free swap  = 0kB
[  285.991467]  ? rcu_read_lock_sched_held+0x108/0x120
[  285.995501] Total swap = 0kB
[  285.998533]  __do_softirq+0x30b/0xad8
[  286.003525] 1965979 pages RAM
[  286.006547]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  286.010317] 0 pages HighMem/MovableOnly
[  286.013415]  ? pvclock_read_flags+0x160/0x160
[  286.018491] 343323 pages reserved
[  286.022456]  ? lapic_next_event+0x5a/0x90
[  286.026927] 0 pages cma reserved
[  286.030373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.034594] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.037859]  ? check_preemption_disabled+0x48/0x200
[  286.043460] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.049908]  ? check_preemption_disabled+0x48/0x200
[  286.054903] ksoftirqd/1 cpuset=
[  286.065224]  ? kvm_clock_read+0x18/0x30
[  286.070216] /
[  286.073491]  ? kvm_sched_clock_read+0x9/0x20
[  286.077442]  mems_allowed=0
[  286.079163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.092009]  ? check_preemption_disabled+0x48/0x200
[  286.097042]  irq_exit+0x17f/0x1c0
[  286.100501]  smp_apic_timer_interrupt+0x1cb/0x760
[  286.105343]  ? smp_reschedule_interrupt+0x109/0x650
[  286.110361]  ? smp_call_function_single_interrupt+0x650/0x650
[  286.116250]  ? interrupt_entry+0xb5/0xf0
[  286.120318]  ? trace_hardirqs_off_caller+0xbb/0x300
[  286.125335]  ? trace_hardirqs_off_caller+0xbb/0x300
[  286.130352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.135196]  ? trace_hardirqs_off+0x300/0x300
[  286.139691]  ? trace_hardirqs_off+0x300/0x300
[  286.144188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.149727]  ? check_preemption_disabled+0x48/0x200
[  286.154743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.160300]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.165173]  apic_timer_interrupt+0xf/0x20
[  286.169406]  </IRQ>
[  286.171651] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  286.176584] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  286.195485] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  286.203192] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  286.210461] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  286.217734] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  286.225016] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  286.232282] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  286.239595]  skb_clone+0x1bb/0x500
[  286.243144]  ? finish_task_switch+0x2f5/0x900
[  286.247643]  ? skb_split+0x11e0/0x11e0
[  286.251537]  ? preempt_notifier_register+0x200/0x200
[  286.256645]  ? __switch_to_asm+0x34/0x70
[  286.260705]  ? __switch_to_asm+0x34/0x70
[  286.264766]  ? __switch_to_asm+0x40/0x70
[  286.268834]  ? __switch_to_asm+0x34/0x70
[  286.272894]  ? __switch_to_asm+0x40/0x70
[  286.276956]  ? __switch_to_asm+0x34/0x70
[  286.281017]  ? __switch_to_asm+0x40/0x70
[  286.285081]  ? __switch_to_asm+0x34/0x70
[  286.289159]  ? __switch_to_asm+0x34/0x70
[  286.293224]  ? __switch_to_asm+0x40/0x70
[  286.297286]  ? __switch_to_asm+0x34/0x70
[  286.301359]  bpf_clone_redirect+0xb9/0x490
[  286.305598]  ? __schedule+0x874/0x1ed0
[  286.309493]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  286.314516]  ? __sched_text_start+0x8/0x8
[  286.318666]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.323449]  ? find_held_lock+0x36/0x1c0
[  286.327522]  ? lock_acquire+0x1ed/0x520
[  286.331498]  ? bpf_test_run+0x32e/0x5a0
[  286.335479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.341019]  ? check_preemption_disabled+0x48/0x200
[  286.346041]  ? kasan_check_read+0x11/0x20
[  286.350199]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.355477]  ? rcu_bh_qs+0xc0/0xc0
[  286.359022]  ? preempt_schedule+0x4d/0x60
[  286.363171]  ? ___preempt_schedule+0x16/0x18
[  286.367588]  ? bpf_test_run+0x1c0/0x5a0
[  286.371577]  ? netlink_diag_dump+0x2a0/0x2a0
[  286.376010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.381548]  ? bpf_test_init.isra.9+0x70/0x100
[  286.386138]  ? bpf_prog_test_run_skb+0x634/0xb40
[  286.390989]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  286.395832]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  286.401366]  ? fput+0x130/0x1a0
[  286.404650]  ? __bpf_prog_get+0x9b/0x290
[  286.408715]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  286.413558]  ? bpf_prog_test_run+0x130/0x1a0
[  286.417975]  ? __x64_sys_bpf+0x3d8/0x510
[  286.422038]  ? bpf_prog_get+0x20/0x20
[  286.425859]  ? do_syscall_64+0x1b9/0x820
[  286.429925]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  286.435292]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.440228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.445075]  ? trace_hardirqs_off+0x300/0x300
[  286.449586]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  286.454606]  ? prepare_exit_to_usermode+0x291/0x3b0
[  286.459632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.464488]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  286.469872] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  286.469955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.476713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.476723] Call Trace:
[  286.483315] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.492561]  dump_stack+0x1c4/0x2b4
[  286.495130] syz-executor4 cpuset=
[  286.505617]  ? dump_stack_print_info.cold.2+0x52/0x52
[  286.509210] syz4
[  286.512668]  warn_alloc.cold.118+0xb7/0x1bd
[  286.517823]  mems_allowed=0
[  286.519791]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.531851]  ? lock_downgrade+0x900/0x900
[  286.536012]  ? trace_hardirqs_off+0xb8/0x300
[  286.540427]  ? trace_hardirqs_off+0xb8/0x300
[  286.544849]  __alloc_pages_slowpath+0x2667/0x2d80
[  286.549727]  ? warn_alloc+0x120/0x120
[  286.553538]  ? warn_alloc+0x120/0x120
[  286.557342]  ? print_usage_bug+0xc0/0xc0
[  286.561408]  ? warn_alloc+0x120/0x120
[  286.565214]  ? print_usage_bug+0xc0/0xc0
[  286.569284]  ? __lock_acquire+0x7ec/0x4ec0
[  286.573521]  ? __lock_acquire+0x7ec/0x4ec0
[  286.577761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.583301]  ? should_fail+0x22d/0xd01
[  286.587198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.592306]  ? __lock_acquire+0x7ec/0x4ec0
[  286.596560]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.601666]  ? __lock_acquire+0x7ec/0x4ec0
[  286.606405]  ? should_fail+0x22d/0xd01
[  286.610302]  ? print_usage_bug+0xc0/0xc0
[  286.614386]  ? mark_held_locks+0x130/0x130
[  286.618635]  ? mark_held_locks+0x130/0x130
[  286.622883]  ? graph_lock+0x170/0x170
[  286.626683]  ? print_usage_bug+0xc0/0xc0
[  286.630748]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.635514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.641057]  ? check_preemption_disabled+0x48/0x200
[  286.646074]  ? check_preemption_disabled+0x48/0x200
[  286.651127]  ? __lock_is_held+0xb5/0x140
[  286.655202]  __alloc_pages_nodemask+0xa80/0xde0
[  286.659969]  ? graph_lock+0x170/0x170
[  286.663781]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  286.668802]  ? graph_lock+0x170/0x170
[  286.672627]  ? find_held_lock+0x36/0x1c0
[  286.676701]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.681380]  ? lock_downgrade+0x900/0x900
[  286.685544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.691103]  cache_grow_begin+0x91/0x8c0
[  286.695175]  ? do_raw_spin_unlock+0xa7/0x2f0
[  286.699601]  fallback_alloc+0x203/0x2e0
[  286.703596]  ____cache_alloc_node+0x1c7/0x1e0
[  286.708120]  kmem_cache_alloc_node+0xe3/0x730
[  286.712629]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.716881]  __alloc_skb+0x119/0x770
[  286.720628]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.725917]  ? skb_scrub_packet+0x490/0x490
[  286.730246]  ? lock_downgrade+0x900/0x900
[  286.734403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.739943]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.745399]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.750856]  ? addrconf_rs_timer+0x6f0/0x6f0
[  286.755287]  ndisc_alloc_skb+0x144/0x340
[  286.759356]  ndisc_send_rs+0x331/0x6e0
[  286.763254]  addrconf_rs_timer+0x3c0/0x6f0
[  286.767495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.771746]  call_timer_fn+0x272/0x920
[  286.775644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.779885]  ? process_timeout+0x40/0x40
[  286.783944]  ? find_held_lock+0x36/0x1c0
[  286.788017]  ? __run_timers+0x7da/0xc70
[  286.792000]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.796587]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.801086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.805337]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  286.809924]  ? trace_hardirqs_on+0xbd/0x310
[  286.814246]  ? kasan_check_read+0x11/0x20
[  286.818394]  ? __run_timers+0x7da/0xc70
[  286.822375]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.827830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.832072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.836316]  __run_timers+0x7e5/0xc70
[  286.840142]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  286.845508]  ? compat_start_thread+0x80/0x80
[  286.849922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.855469]  ? kasan_check_write+0x14/0x20
[  286.859708]  ? finish_task_switch+0x2f5/0x900
[  286.864207]  ? __switch_to_asm+0x40/0x70
[  286.868275]  ? preempt_notifier_register+0x200/0x200
[  286.873382]  ? __switch_to_asm+0x34/0x70
[  286.877441]  ? __switch_to_asm+0x40/0x70
[  286.881499]  ? __switch_to_asm+0x34/0x70
[  286.885563]  ? __switch_to_asm+0x40/0x70
[  286.889630]  ? __switch_to_asm+0x34/0x70
[  286.893690]  ? __switch_to_asm+0x40/0x70
[  286.897761]  ? pvclock_read_flags+0x160/0x160
[  286.902280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.907820]  ? check_preemption_disabled+0x48/0x200
[  286.912898]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  286.918442]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.923724]  ? rcu_pm_notify+0xc0/0xc0
[  286.927623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.933161]  ? check_preemption_disabled+0x48/0x200
[  286.938190]  run_timer_softirq+0x52/0xb0
[  286.942257]  ? rcu_read_lock_sched_held+0x108/0x120
[  286.947280]  __do_softirq+0x30b/0xad8
[  286.951105]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  286.956225]  ? schedule+0x108/0x460
[  286.959860]  ? __schedule+0x1ed0/0x1ed0
[  286.963844]  ? trace_hardirqs_off+0xb8/0x300
[  286.968257]  ? ___might_sleep+0x1ed/0x300
[  286.972403]  ? smpboot_thread_fn+0x68b/0xa00
[  286.976814]  ? trace_hardirqs_on+0x310/0x310
[  286.981229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.986768]  ? check_preemption_disabled+0x48/0x200
[  286.991788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.997336]  ? takeover_tasklets+0xa90/0xa90
[  287.001755]  run_ksoftirqd+0x94/0x100
[  287.005580]  smpboot_thread_fn+0x68b/0xa00
[  287.009825]  ? sort_range+0x30/0x30
[  287.013458]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.018565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.024111]  ? __kthread_parkme+0xfb/0x1a0
[  287.028357]  kthread+0x35a/0x420
[  287.031726]  ? sort_range+0x30/0x30
[  287.035355]  ? kthread_bind+0x40/0x40
[  287.039161]  ret_from_fork+0x3a/0x50
[  287.042890] warn_alloc_show_mem: 1 callbacks suppressed
[  287.042902] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  287.042904] Mem-Info:
[  287.042935] active_anon:44072 inactive_anon:951 isolated_anon:0
[  287.042935]  active_file:15 inactive_file:18 isolated_file:0
[  287.042935]  unevictable:0 dirty:0 writeback:0 unstable:0
[  287.042935]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  287.042935]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  287.042935]  free:13779 free_pcp:230 free_cma:0
[  287.048282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.055474] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  287.057874] Call Trace:
[  287.090830] Node 0 
[  287.100175]  <IRQ>
[  287.127961] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  287.130523]  dump_stack+0x1c4/0x2b4
[  287.132733] lowmem_reserve[]:
[  287.134876]  ? dump_stack_print_info.cold.2+0x52/0x52
[  287.160357]  0
[  287.163988]  warn_alloc.cold.118+0xb7/0x1bd
[  287.167057]  2815
[  287.172240]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.174016]  6318
[  287.178333]  ? lock_downgrade+0x900/0x900
[  287.180373]  6318
[  287.185212]  ? trace_hardirqs_off+0xb8/0x300
[  287.191396]  ? trace_hardirqs_off+0xb8/0x300
[  287.193434] Node 0 
[  287.197837]  __alloc_pages_slowpath+0x2667/0x2d80
[  287.202243] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  287.204472]  ? warn_alloc+0x120/0x120
[  287.209266] lowmem_reserve[]:
[  287.236172]  ? trace_hardirqs_on+0x310/0x310
[  287.239955]  0
[  287.243065]  ? warn_alloc+0x120/0x120
[  287.247447]  0
[  287.249244]  ? print_usage_bug+0xc0/0xc0
[  287.253014]  3503 3503
[  287.254820]  ? warn_alloc+0x120/0x120
[  287.261346]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  287.265126] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  287.270170]  ? print_usage_bug+0xc0/0xc0
[  287.270186]  ? __lock_acquire+0x7ec/0x4ec0
[  287.299140] lowmem_reserve[]:
[  287.303212]  ? __lock_acquire+0x7ec/0x4ec0
[  287.307421]  0
[  287.310519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.314725]  0
[  287.316524]  ? should_fail+0x22d/0xd01
[  287.322035]  0
[  287.323835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.327695]  0
[  287.329503]  ? __lock_acquire+0x7ec/0x4ec0
[  287.336375]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.340585] Node 0 
[  287.345676]  ? __lock_acquire+0x7ec/0x4ec0
[  287.345686] DMA: 
[  287.347918]  ? should_fail+0x22d/0xd01
[  287.352143] 1*4kB 
[  287.354232]  ? print_usage_bug+0xc0/0xc0
[  287.358091] (U) 
[  287.360281]  ? mark_held_locks+0x130/0x130
[  287.364333] 0*8kB 
[  287.366307]  ? mark_held_locks+0x130/0x130
[  287.370520] 0*16kB 
[  287.372670]  ? graph_lock+0x170/0x170
[  287.376884] 1*32kB 
[  287.379122]  ? print_usage_bug+0xc0/0xc0
[  287.382898] (U) 
[  287.385152]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.389196] 2*64kB 
[  287.391195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.395940] (U) 
[  287.398174]  ? check_preemption_disabled+0x48/0x200
[  287.403687] 1*128kB 
[  287.405657]  ? check_preemption_disabled+0x48/0x200
[  287.410648] (U) 
[  287.412971]  ? __lock_is_held+0xb5/0x140
[  287.417955] 1*256kB 
[  287.419925]  __alloc_pages_nodemask+0xa80/0xde0
[  287.423971] (U) 
[  287.426285]  ? graph_lock+0x170/0x170
[  287.430928] 0*512kB 
[  287.432910]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  287.436695] 1*1024kB 
[  287.439009]  ? graph_lock+0x170/0x170
[  287.443998] (U) 
[  287.446408]  ? find_held_lock+0x36/0x1c0
[  287.450177] 1*2048kB 
[  287.452157]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.456190] (M) 
[  287.458608]  ? lock_downgrade+0x900/0x900
[  287.463256] 3*4096kB 
[  287.465234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.469353] (M) 
[  287.471760]  cache_grow_begin+0x91/0x8c0
[  287.477463] = 15908kB
[  287.479438]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.483477] Node 0 
[  287.485887]  fallback_alloc+0x203/0x2e0
[  287.490263] DMA32: 
[  287.492496]  ____cache_alloc_node+0x1c7/0x1e0
[  287.496445] 1*4kB 
[  287.498674]  kmem_cache_alloc_node+0xe3/0x730
[  287.503171] (M) 
[  287.505319]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.509788] 3*8kB 
[  287.511768]  __alloc_skb+0x119/0x770
[  287.515973] (UM) 
[  287.518127]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  287.521817] 0*16kB 
[  287.523882]  ? skb_scrub_packet+0x490/0x490
[  287.529142] 3*32kB 
[  287.531375]  ? lock_downgrade+0x900/0x900
[  287.535668] (UM) 
[  287.537904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.542021] 2*64kB 
[  287.544079]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.549589] (M) 
[  287.551822]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.557248] 5*128kB 
[  287.559228]  ? addrconf_rs_timer+0x6f0/0x6f0
[  287.564649] (UM) 
[  287.566991]  ndisc_alloc_skb+0x144/0x340
[  287.571365] 3*256kB 
[  287.573423]  ndisc_send_rs+0x331/0x6e0
[  287.577458] (M) 
[  287.579779]  addrconf_rs_timer+0x3c0/0x6f0
[  287.583639] 4*512kB 
[  287.585612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.589824] (M) 
[  287.592157]  call_timer_fn+0x272/0x920
[  287.596357] 3*1024kB 
[  287.598329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.602190] (UM) 
[  287.604601]  ? process_timeout+0x40/0x40
[  287.608818] 3*2048kB 
[  287.610881]  ? find_held_lock+0x36/0x1c0
[  287.614911] (M) 
[  287.617337]  ? __run_timers+0x7da/0xc70
[  287.621365] 3*4096kB 
[  287.623338]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.627287] (M) 
[  287.629695]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.634173] = 25212kB
[  287.636145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.640639] Node 0 
[  287.643045]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  287.647250] Normal: 887*4kB 
[  287.649494]  ? trace_hardirqs_on+0xbd/0x310
[  287.654049] (UME) 
[  287.657065]  ? kasan_check_read+0x11/0x20
[  287.661364] 378*8kB 
[  287.663509]  ? __run_timers+0x7da/0xc70
[  287.667630] (UMEH) 
[  287.669949]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.673895] 172*16kB 
[  287.676164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.681584] (UMEH) 
[  287.683993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.688205] 106*32kB 
[  287.690440]  __run_timers+0x7e5/0xc70
[  287.694646] (UMEH) 
[  287.697074]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  287.700840] 16*64kB 
[  287.703074]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  287.708413] (UMH) 
[  287.710733]  ? graph_lock+0x170/0x170
[  287.715727] 0*128kB 
[  287.717872]  ? enqueue_hrtimer+0x1a5/0x560
[  287.721647] 1*256kB 
[  287.723979]  ? lock_release+0x970/0x970
[  287.728190] (H) 
[  287.730524]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  287.734473] 0*512kB 
[  287.736447]  ? find_held_lock+0x36/0x1c0
[  287.741621] 0*1024kB 
[  287.743939]  ? graph_lock+0x170/0x170
[  287.747973] 0*2048kB 
[  287.750382]  ? pvclock_read_flags+0x160/0x160
[  287.754157] 0*4096kB 
[  287.756562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.761029] = 13996kB
[  287.761043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  287.763442]  ? check_preemption_disabled+0x48/0x200
[  287.768970] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  287.771380]  ? __lock_is_held+0xb5/0x140
[  287.780189] 4508 total pagecache pages
[  287.785211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.793763] 0 pages in swap cache
[  287.797820]  ? check_preemption_disabled+0x48/0x200
[  287.801685] Swap cache stats: add 0, delete 0, find 0/0
[  287.807806]  run_timer_softirq+0x52/0xb0
[  287.811233] Free swap  = 0kB
[  287.816242]  ? rcu_read_lock_sched_held+0x108/0x120
[  287.821580] Total swap = 0kB
[  287.825638]  __do_softirq+0x30b/0xad8
[  287.828635] 1965979 pages RAM
[  287.833651]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  287.836634] 0 pages HighMem/MovableOnly
[  287.836643] 343323 pages reserved
[  287.840442]  ? pvclock_read_flags+0x160/0x160
[  287.843524] 0 pages cma reserved
[  287.848623]  ? lapic_next_event+0x5a/0x90
[  287.852650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.856021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.860595] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.863862]  ? check_preemption_disabled+0x48/0x200
[  287.867997] ksoftirqd/1 cpuset=
[  287.874484]  ? check_preemption_disabled+0x48/0x200
[  287.879996] /
[  287.890307]  ? kvm_clock_read+0x18/0x30
[  287.895306]  mems_allowed=0
[  287.898583]  ? kvm_sched_clock_read+0x9/0x20
[  287.916564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.922121]  ? check_preemption_disabled+0x48/0x200
[  287.927152]  irq_exit+0x17f/0x1c0
[  287.930614]  smp_apic_timer_interrupt+0x1cb/0x760
[  287.935465]  ? smp_reschedule_interrupt+0x109/0x650
[  287.940489]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.946383]  ? interrupt_entry+0xb5/0xf0
[  287.950454]  ? trace_hardirqs_off_caller+0xbb/0x300
[  287.955472]  ? trace_hardirqs_off_caller+0xbb/0x300
[  287.960499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.965350]  ? trace_hardirqs_off+0x300/0x300
[  287.969849]  ? trace_hardirqs_off+0x300/0x300
[  287.974353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.979898]  ? check_preemption_disabled+0x48/0x200
[  287.984923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.990475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.995330]  apic_timer_interrupt+0xf/0x20
[  287.999563]  </IRQ>
[  288.001813] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  288.006748] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  288.025661] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  288.033379] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  288.040652] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  288.047931] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  288.055201] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  288.062472] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  288.069788]  skb_clone+0x1bb/0x500
[  288.073374]  ? finish_task_switch+0x2f5/0x900
[  288.077873]  ? skb_split+0x11e0/0x11e0
[  288.081767]  ? preempt_notifier_register+0x200/0x200
[  288.086870]  ? __switch_to_asm+0x34/0x70
[  288.090931]  ? __switch_to_asm+0x34/0x70
[  288.094994]  ? __switch_to_asm+0x40/0x70
[  288.099055]  ? __switch_to_asm+0x34/0x70
[  288.103124]  ? __switch_to_asm+0x40/0x70
[  288.107202]  ? __switch_to_asm+0x34/0x70
[  288.111269]  ? __switch_to_asm+0x40/0x70
[  288.115351]  ? __switch_to_asm+0x34/0x70
[  288.119416]  ? __switch_to_asm+0x34/0x70
[  288.123479]  ? __switch_to_asm+0x40/0x70
[  288.127543]  ? __switch_to_asm+0x34/0x70
[  288.131619]  bpf_clone_redirect+0xb9/0x490
[  288.135876]  ? __schedule+0x874/0x1ed0
[  288.139789]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  288.144817]  ? __sched_text_start+0x8/0x8
[  288.148970]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  288.153743]  ? find_held_lock+0x36/0x1c0
[  288.157817]  ? lock_acquire+0x1ed/0x520
[  288.161804]  ? bpf_test_run+0x32e/0x5a0
[  288.165785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.171330]  ? check_preemption_disabled+0x48/0x200
[  288.176358]  ? kasan_check_read+0x11/0x20
[  288.180514]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.185795]  ? rcu_bh_qs+0xc0/0xc0
[  288.189341]  ? preempt_schedule+0x4d/0x60
[  288.193489]  ? ___preempt_schedule+0x16/0x18
[  288.197908]  ? bpf_test_run+0x1c0/0x5a0
[  288.201897]  ? netlink_diag_dump+0x2a0/0x2a0
[  288.206315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.211853]  ? bpf_test_init.isra.9+0x70/0x100
[  288.216442]  ? bpf_prog_test_run_skb+0x634/0xb40
[  288.221214]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  288.226061]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  288.231599]  ? fput+0x130/0x1a0
[  288.234885]  ? __bpf_prog_get+0x9b/0x290
[  288.238950]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  288.243794]  ? bpf_prog_test_run+0x130/0x1a0
[  288.248208]  ? __x64_sys_bpf+0x3d8/0x510
[  288.252275]  ? bpf_prog_get+0x20/0x20
[  288.256112]  ? do_syscall_64+0x1b9/0x820
[  288.260219]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  288.265589]  ? syscall_return_slowpath+0x5e0/0x5e0
[  288.270523]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.275392]  ? trace_hardirqs_off+0x300/0x300
[  288.279919]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  288.284938]  ? prepare_exit_to_usermode+0x291/0x3b0
[  288.289971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.294831]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  288.300222] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  288.300303] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.307084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.307104] Call Trace:
[  288.313710] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.322973]  dump_stack+0x1c4/0x2b4
[  288.325550] syz-executor4 cpuset=
[  288.336036]  ? dump_stack_print_info.cold.2+0x52/0x52
[  288.339644] syz4
[  288.343109]  warn_alloc.cold.118+0xb7/0x1bd
[  288.348274]  mems_allowed=0
[  288.350241]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.362299]  ? lock_downgrade+0x900/0x900
[  288.366455]  ? trace_hardirqs_off+0xb8/0x300
[  288.370874]  ? trace_hardirqs_off+0xb8/0x300
[  288.375296]  __alloc_pages_slowpath+0x2667/0x2d80
[  288.380176]  ? warn_alloc+0x120/0x120
[  288.383986]  ? warn_alloc+0x120/0x120
[  288.387792]  ? print_usage_bug+0xc0/0xc0
[  288.391859]  ? warn_alloc+0x120/0x120
[  288.395666]  ? print_usage_bug+0xc0/0xc0
[  288.399731]  ? __lock_acquire+0x7ec/0x4ec0
[  288.403968]  ? __lock_acquire+0x7ec/0x4ec0
[  288.408211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.413749]  ? should_fail+0x22d/0xd01
[  288.417647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.422751]  ? __lock_acquire+0x7ec/0x4ec0
[  288.426995]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.432113]  ? __lock_acquire+0x7ec/0x4ec0
[  288.436349]  ? should_fail+0x22d/0xd01
[  288.440237]  ? print_usage_bug+0xc0/0xc0
[  288.444310]  ? mark_held_locks+0x130/0x130
[  288.448552]  ? mark_held_locks+0x130/0x130
[  288.452796]  ? graph_lock+0x170/0x170
[  288.456619]  ? print_usage_bug+0xc0/0xc0
[  288.460684]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  288.465462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.471006]  ? check_preemption_disabled+0x48/0x200
[  288.476025]  ? check_preemption_disabled+0x48/0x200
[  288.481054]  ? __lock_is_held+0xb5/0x140
[  288.485129]  __alloc_pages_nodemask+0xa80/0xde0
[  288.489802]  ? graph_lock+0x170/0x170
[  288.493619]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  288.498634]  ? graph_lock+0x170/0x170
[  288.502452]  ? find_held_lock+0x36/0x1c0
[  288.506528]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.511203]  ? lock_downgrade+0x900/0x900
[  288.515363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.520910]  cache_grow_begin+0x91/0x8c0
[  288.524973]  ? do_raw_spin_unlock+0xa7/0x2f0
[  288.529393]  fallback_alloc+0x203/0x2e0
[  288.533379]  ____cache_alloc_node+0x1c7/0x1e0
[  288.537904]  kmem_cache_alloc_node+0xe3/0x730
[  288.542401]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.546662]  __alloc_skb+0x119/0x770
[  288.550381]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.555665]  ? skb_scrub_packet+0x490/0x490
[  288.559993]  ? lock_downgrade+0x900/0x900
[  288.564167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.569724]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.575203]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.580662]  ? addrconf_rs_timer+0x6f0/0x6f0
[  288.585088]  ndisc_alloc_skb+0x144/0x340
[  288.589180]  ndisc_send_rs+0x331/0x6e0
[  288.593081]  addrconf_rs_timer+0x3c0/0x6f0
[  288.597333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.601584]  call_timer_fn+0x272/0x920
[  288.605989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.610235]  ? process_timeout+0x40/0x40
[  288.614299]  ? find_held_lock+0x36/0x1c0
[  288.618383]  ? __run_timers+0x7da/0xc70
[  288.622378]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.626881]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.631381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.635629]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  288.640220]  ? trace_hardirqs_on+0xbd/0x310
[  288.644546]  ? kasan_check_read+0x11/0x20
[  288.648701]  ? __run_timers+0x7da/0xc70
[  288.652679]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  288.658151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.662395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.666641]  __run_timers+0x7e5/0xc70
[  288.670488]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  288.675852]  ? compat_start_thread+0x80/0x80
[  288.680275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.685821]  ? kasan_check_write+0x14/0x20
[  288.690066]  ? finish_task_switch+0x2f5/0x900
[  288.694573]  ? __switch_to_asm+0x40/0x70
[  288.698648]  ? preempt_notifier_register+0x200/0x200
[  288.703760]  ? __switch_to_asm+0x34/0x70
[  288.707827]  ? __switch_to_asm+0x40/0x70
[  288.711898]  ? __switch_to_asm+0x34/0x70
[  288.715959]  ? __switch_to_asm+0x40/0x70
[  288.720020]  ? __switch_to_asm+0x34/0x70
[  288.724084]  ? __switch_to_asm+0x40/0x70
[  288.728169]  ? pvclock_read_flags+0x160/0x160
[  288.732671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.738214]  ? check_preemption_disabled+0x48/0x200
[  288.743246]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  288.748785]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.754066]  ? rcu_pm_notify+0xc0/0xc0
[  288.757977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.763515]  ? check_preemption_disabled+0x48/0x200
[  288.768545]  run_timer_softirq+0x52/0xb0
[  288.772616]  ? rcu_read_lock_sched_held+0x108/0x120
[  288.777640]  __do_softirq+0x30b/0xad8
[  288.781458]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  288.786575]  ? schedule+0x108/0x460
[  288.790214]  ? __schedule+0x1ed0/0x1ed0
[  288.794204]  ? trace_hardirqs_off+0xb8/0x300
[  288.798626]  ? ___might_sleep+0x1ed/0x300
[  288.802776]  ? smpboot_thread_fn+0x68b/0xa00
[  288.807188]  ? trace_hardirqs_on+0x310/0x310
[  288.811604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.817158]  ? check_preemption_disabled+0x48/0x200
[  288.822179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.827726]  ? takeover_tasklets+0xa90/0xa90
[  288.832143]  run_ksoftirqd+0x94/0x100
[  288.835951]  smpboot_thread_fn+0x68b/0xa00
[  288.840191]  ? sort_range+0x30/0x30
[  288.843825]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.848929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.854473]  ? __kthread_parkme+0xfb/0x1a0
[  288.858729]  kthread+0x35a/0x420
[  288.862107]  ? sort_range+0x30/0x30
[  288.865738]  ? kthread_bind+0x40/0x40
[  288.869575]  ret_from_fork+0x3a/0x50
[  288.873306] warn_alloc_show_mem: 1 callbacks suppressed
[  288.873327] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  288.873329] Mem-Info:
[  288.873360] active_anon:44072 inactive_anon:951 isolated_anon:0
[  288.873360]  active_file:15 inactive_file:18 isolated_file:0
[  288.873360]  unevictable:0 dirty:0 writeback:0 unstable:0
[  288.873360]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  288.873360]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  288.873360]  free:13779 free_pcp:230 free_cma:0
[  288.878713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.885906] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  288.888307] Call Trace:
[  288.921276] Node 0 
[  288.930638]  <IRQ>
[  288.958421] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  288.960980]  dump_stack+0x1c4/0x2b4
[  288.963187] lowmem_reserve[]:
[  288.965332]  ? dump_stack_print_info.cold.2+0x52/0x52
[  288.990814]  0
[  288.994447]  warn_alloc.cold.118+0xb7/0x1bd
[  288.997516]  2815
[  289.002704]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.004480]  6318
[  289.008798]  ? lock_downgrade+0x900/0x900
[  289.010837]  6318
[  289.015691]  ? trace_hardirqs_off+0xb8/0x300
[  289.021877]  ? trace_hardirqs_off+0xb8/0x300
[  289.023914] Node 0 
[  289.028318]  __alloc_pages_slowpath+0x2667/0x2d80
[  289.032718] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  289.034967]  ? warn_alloc+0x120/0x120
[  289.039757] lowmem_reserve[]:
[  289.066757]  ? trace_hardirqs_on+0x310/0x310
[  289.070532]  0
[  289.073629]  ? warn_alloc+0x120/0x120
[  289.073647]  ? print_usage_bug+0xc0/0xc0
[  289.078031]  0
[  289.079826]  ? warn_alloc+0x120/0x120
[  289.083614]  3503
[  289.087667]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  289.089442]  3503
[  289.093235]  ? print_usage_bug+0xc0/0xc0
[  289.095276] Node 0 
[  289.100283]  ? __lock_acquire+0x7ec/0x4ec0
[  289.102351] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  289.106379]  ? __lock_acquire+0x7ec/0x4ec0
[  289.108590] lowmem_reserve[]:
[  289.112824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.141180]  0
[  289.145508]  ? should_fail+0x22d/0xd01
[  289.148583]  0
[  289.154144]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.155923]  0
[  289.159804]  ? __lock_acquire+0x7ec/0x4ec0
[  289.161579]  0
[  289.166679]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.172690]  ? __lock_acquire+0x7ec/0x4ec0
[  289.174471] Node 0 
[  289.179571]  ? should_fail+0x22d/0xd01
[  289.183772] DMA: 1*4kB 
[  289.186015]  ? print_usage_bug+0xc0/0xc0
[  289.189876] (U) 
[  289.192462]  ? mark_held_locks+0x130/0x130
[  289.196495] 0*8kB 
[  289.198467]  ? mark_held_locks+0x130/0x130
[  289.202677] 0*16kB 
[  289.204828]  ? graph_lock+0x170/0x170
[  289.209033] 1*32kB (U) 
[  289.211278]  ? print_usage_bug+0xc0/0xc0
[  289.215052] 2*64kB (U) 
[  289.217647]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.221680] 1*128kB 
[  289.224261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.228994] (U) 
[  289.231311]  ? check_preemption_disabled+0x48/0x200
[  289.236823] 1*256kB 
[  289.238794]  ? check_preemption_disabled+0x48/0x200
[  289.243786] (U) 
[  289.246127]  ? __lock_is_held+0xb5/0x140
[  289.251112] 0*512kB 1*1024kB 
[  289.253115]  __alloc_pages_nodemask+0xa80/0xde0
[  289.257138] (U) 
[  289.260236]  ? graph_lock+0x170/0x170
[  289.264877] 1*2048kB (M) 
[  289.266863]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  289.270635] 3*4096kB 
[  289.273384]  ? graph_lock+0x170/0x170
[  289.278377] (M) 
[  289.280793]  ? find_held_lock+0x36/0x1c0
[  289.284559] = 15908kB
[  289.286535]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.290564] Node 0 
[  289.292970]  ? lock_downgrade+0x900/0x900
[  289.297613] DMA32: 
[  289.299846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.303964] 1*4kB 
[  289.306197]  cache_grow_begin+0x91/0x8c0
[  289.311709] (M) 
[  289.313854]  ? do_raw_spin_unlock+0xa7/0x2f0
[  289.317894] 3*8kB 
[  289.319867]  fallback_alloc+0x203/0x2e0
[  289.324245] (UM) 
[  289.326393]  ____cache_alloc_node+0x1c7/0x1e0
[  289.330340] 0*16kB 
[  289.332399]  kmem_cache_alloc_node+0xe3/0x730
[  289.336869] 3*32kB 
[  289.339106]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.343572] (UM) 
[  289.345807]  __alloc_skb+0x119/0x770
[  289.350011] 2*64kB 
[  289.352069]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  289.355751] (M) 
[  289.357983]  ? skb_scrub_packet+0x490/0x490
[  289.363233] 5*128kB 
[  289.365205]  ? lock_downgrade+0x900/0x900
[  289.369498] (UM) 
[  289.371821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.375938] 3*256kB 
[  289.377998]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.383500] (M) 4*512kB 
[  289.385829]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.391252] (M) 
[  289.393922]  ? addrconf_rs_timer+0x6f0/0x6f0
[  289.399344] 3*1024kB 
[  289.401336]  ndisc_alloc_skb+0x144/0x340
[  289.405712] (UM) 3*2048kB 
[  289.408143]  ndisc_send_rs+0x331/0x6e0
[  289.412175] (M) 
[  289.415036]  addrconf_rs_timer+0x3c0/0x6f0
[  289.418898] 3*4096kB (M) 
[  289.420888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.425090] = 25212kB
[  289.425107] Node 0 
[  289.427881]  call_timer_fn+0x272/0x920
[  289.432080] Normal: 
[  289.434501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.436713] 887*4kB 
[  289.440592]  ? process_timeout+0x40/0x40
[  289.442891] (UME) 
[  289.447124]  ? find_held_lock+0x36/0x1c0
[  289.449424] 378*8kB 
[  289.453482]  ? __run_timers+0x7da/0xc70
[  289.455604] (UMEH) 
[  289.459664]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.461989] 172*16kB (UMEH) 
[  289.465980]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.468207] 106*32kB 
[  289.473169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.476168] (UMEH) 
[  289.480660]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  289.483045] 16*64kB 
[  289.487274]  ? trace_hardirqs_on+0xbd/0x310
[  289.489486] (UMH) 
[  289.494058]  ? kasan_check_read+0x11/0x20
[  289.496358] 0*128kB 
[  289.500675]  ? __run_timers+0x7da/0xc70
[  289.502818] 1*256kB 
[  289.506967]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.509260] (H) 0*512kB 
[  289.513242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.515549] 0*1024kB 
[  289.520992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.523656] 0*2048kB 
[  289.527882]  __run_timers+0x7e5/0xc70
[  289.530267] 0*4096kB 
[  289.534506]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  289.536882] = 13996kB
[  289.540680]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  289.543069] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  289.548421]  ? graph_lock+0x170/0x170
[  289.550827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  289.555832]  ? enqueue_hrtimer+0x1a5/0x560
[  289.564645] 4508 total pagecache pages
[  289.568431]  ? lock_release+0x970/0x970
[  289.568447]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  289.577008] 0 pages in swap cache
[  289.581236]  ? find_held_lock+0x36/0x1c0
[  289.585107] Swap cache stats: add 0, delete 0, find 0/0
[  289.589091]  ? graph_lock+0x170/0x170
[  289.594277] Free swap  = 0kB
[  289.598643]  ? pvclock_read_flags+0x160/0x160
[  289.602681] Total swap = 0kB
[  289.608045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.611819] 1965979 pages RAM
[  289.614828]  ? check_preemption_disabled+0x48/0x200
[  289.619298] 0 pages HighMem/MovableOnly
[  289.622320]  ? __lock_is_held+0xb5/0x140
[  289.627824] 343323 pages reserved
[  289.627832] 0 pages cma reserved
[  289.630968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.636048] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.639939]  ? check_preemption_disabled+0x48/0x200
[  289.644089] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.647454]  run_timer_softirq+0x52/0xb0
[  289.650797] ksoftirqd/1 cpuset=
[  289.656330]  ? rcu_read_lock_sched_held+0x108/0x120
[  289.662795] /
[  289.667807]  __do_softirq+0x30b/0xad8
[  289.678091]  mems_allowed=0
[  289.682163]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  289.703920]  ? pvclock_read_flags+0x160/0x160
[  289.708414]  ? lapic_next_event+0x5a/0x90
[  289.712568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.718122]  ? check_preemption_disabled+0x48/0x200
[  289.723142]  ? check_preemption_disabled+0x48/0x200
[  289.728182]  ? kvm_clock_read+0x18/0x30
[  289.732161]  ? kvm_sched_clock_read+0x9/0x20
[  289.736588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.742141]  ? check_preemption_disabled+0x48/0x200
[  289.747174]  irq_exit+0x17f/0x1c0
[  289.750634]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.755483]  ? smp_reschedule_interrupt+0x109/0x650
[  289.760512]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.766396]  ? interrupt_entry+0xb5/0xf0
[  289.770460]  ? trace_hardirqs_off_caller+0xbb/0x300
[  289.775479]  ? trace_hardirqs_off_caller+0xbb/0x300
[  289.780559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.785399]  ? trace_hardirqs_off+0x300/0x300
[  289.789903]  ? trace_hardirqs_off+0x300/0x300
[  289.794413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.799964]  ? check_preemption_disabled+0x48/0x200
[  289.804982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.810545]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.815400]  apic_timer_interrupt+0xf/0x20
[  289.819633]  </IRQ>
[  289.821875] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  289.826808] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  289.845724] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  289.853452] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  289.860745] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  289.868019] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  289.875302] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  289.882572] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  289.889891]  skb_clone+0x1bb/0x500
[  289.893435]  ? finish_task_switch+0x2f5/0x900
[  289.897933]  ? skb_split+0x11e0/0x11e0
[  289.901824]  ? preempt_notifier_register+0x200/0x200
[  289.906933]  ? __switch_to_asm+0x34/0x70
[  289.910994]  ? __switch_to_asm+0x34/0x70
[  289.915054]  ? __switch_to_asm+0x40/0x70
[  289.919201]  ? __switch_to_asm+0x34/0x70
[  289.923264]  ? __switch_to_asm+0x40/0x70
[  289.927328]  ? __switch_to_asm+0x34/0x70
[  289.931385]  ? __switch_to_asm+0x40/0x70
[  289.935444]  ? __switch_to_asm+0x34/0x70
[  289.939508]  ? __switch_to_asm+0x34/0x70
[  289.943568]  ? __switch_to_asm+0x40/0x70
[  289.947625]  ? __switch_to_asm+0x34/0x70
[  289.951694]  bpf_clone_redirect+0xb9/0x490
[  289.955930]  ? __schedule+0x874/0x1ed0
[  289.959827]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  289.964848]  ? __sched_text_start+0x8/0x8
[  289.968999]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.973772]  ? find_held_lock+0x36/0x1c0
[  289.977843]  ? lock_acquire+0x1ed/0x520
[  289.981817]  ? bpf_test_run+0x32e/0x5a0
[  289.985794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.991335]  ? check_preemption_disabled+0x48/0x200
[  289.996358]  ? kasan_check_read+0x11/0x20
[  290.000509]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.005792]  ? rcu_bh_qs+0xc0/0xc0
[  290.009335]  ? preempt_schedule+0x4d/0x60
[  290.013488]  ? ___preempt_schedule+0x16/0x18
[  290.017905]  ? bpf_test_run+0x1c0/0x5a0
[  290.021895]  ? netlink_diag_dump+0x2a0/0x2a0
[  290.026312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.031850]  ? bpf_test_init.isra.9+0x70/0x100
[  290.036442]  ? bpf_prog_test_run_skb+0x634/0xb40
[  290.041211]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  290.046059]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  290.051599]  ? fput+0x130/0x1a0
[  290.054884]  ? __bpf_prog_get+0x9b/0x290
[  290.058950]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  290.063793]  ? bpf_prog_test_run+0x130/0x1a0
[  290.068211]  ? __x64_sys_bpf+0x3d8/0x510
[  290.072277]  ? bpf_prog_get+0x20/0x20
[  290.076112]  ? do_syscall_64+0x1b9/0x820
[  290.080195]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  290.085568]  ? syscall_return_slowpath+0x5e0/0x5e0
[  290.090502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.095351]  ? trace_hardirqs_off+0x300/0x300
[  290.099850]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  290.104872]  ? prepare_exit_to_usermode+0x291/0x3b0
[  290.109897]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.114752]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  290.120158] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  290.120230] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.126996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.127005] Call Trace:
[  290.133601] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.142840]  dump_stack+0x1c4/0x2b4
[  290.145400] syz-executor4 cpuset=
[  290.155878]  ? dump_stack_print_info.cold.2+0x52/0x52
[  290.159478] syz4
[  290.162947]  warn_alloc.cold.118+0xb7/0x1bd
[  290.168194]  mems_allowed=0
[  290.170163]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.182215]  ? lock_downgrade+0x900/0x900
[  290.186374]  ? trace_hardirqs_off+0xb8/0x300
[  290.190791]  ? trace_hardirqs_off+0xb8/0x300
[  290.195215]  __alloc_pages_slowpath+0x2667/0x2d80
[  290.200104]  ? warn_alloc+0x120/0x120
[  290.203915]  ? warn_alloc+0x120/0x120
[  290.207721]  ? print_usage_bug+0xc0/0xc0
[  290.211785]  ? warn_alloc+0x120/0x120
[  290.215586]  ? print_usage_bug+0xc0/0xc0
[  290.219657]  ? __lock_acquire+0x7ec/0x4ec0
[  290.223893]  ? __lock_acquire+0x7ec/0x4ec0
[  290.228137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.233680]  ? should_fail+0x22d/0xd01
[  290.237578]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.242685]  ? __lock_acquire+0x7ec/0x4ec0
[  290.246927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.252034]  ? __lock_acquire+0x7ec/0x4ec0
[  290.256272]  ? should_fail+0x22d/0xd01
[  290.260158]  ? print_usage_bug+0xc0/0xc0
[  290.264232]  ? mark_held_locks+0x130/0x130
[  290.268472]  ? mark_held_locks+0x130/0x130
[  290.272718]  ? graph_lock+0x170/0x170
[  290.276518]  ? print_usage_bug+0xc0/0xc0
[  290.280579]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  290.285346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.290907]  ? check_preemption_disabled+0x48/0x200
[  290.295925]  ? check_preemption_disabled+0x48/0x200
[  290.300956]  ? __lock_is_held+0xb5/0x140
[  290.305024]  __alloc_pages_nodemask+0xa80/0xde0
[  290.309696]  ? graph_lock+0x170/0x170
[  290.313504]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  290.318517]  ? graph_lock+0x170/0x170
[  290.322347]  ? find_held_lock+0x36/0x1c0
[  290.326420]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.331107]  ? lock_downgrade+0x900/0x900
[  290.335269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.340817]  cache_grow_begin+0x91/0x8c0
[  290.344898]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.349320]  fallback_alloc+0x203/0x2e0
[  290.353305]  ____cache_alloc_node+0x1c7/0x1e0
[  290.357810]  kmem_cache_alloc_node+0xe3/0x730
[  290.362307]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.366562]  __alloc_skb+0x119/0x770
[  290.370283]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.375569]  ? skb_scrub_packet+0x490/0x490
[  290.379894]  ? lock_downgrade+0x900/0x900
[  290.384051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.389592]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.395056]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.400516]  ? addrconf_rs_timer+0x6f0/0x6f0
[  290.404948]  ndisc_alloc_skb+0x144/0x340
[  290.409021]  ndisc_send_rs+0x331/0x6e0
[  290.412921]  addrconf_rs_timer+0x3c0/0x6f0
[  290.417165]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.421421]  call_timer_fn+0x272/0x920
[  290.425315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.429555]  ? process_timeout+0x40/0x40
[  290.433626]  ? find_held_lock+0x36/0x1c0
[  290.437701]  ? __run_timers+0x7da/0xc70
[  290.441680]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.446174]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.450670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.454905]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  290.459500]  ? trace_hardirqs_on+0xbd/0x310
[  290.463823]  ? kasan_check_read+0x11/0x20
[  290.467975]  ? __run_timers+0x7da/0xc70
[  290.471954]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  290.477412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.481660]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.485927]  __run_timers+0x7e5/0xc70
[  290.489760]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  290.495130]  ? compat_start_thread+0x80/0x80
[  290.499548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.505108]  ? kasan_check_write+0x14/0x20
[  290.509349]  ? finish_task_switch+0x2f5/0x900
[  290.513854]  ? __switch_to_asm+0x40/0x70
[  290.517922]  ? preempt_notifier_register+0x200/0x200
[  290.523036]  ? __switch_to_asm+0x34/0x70
[  290.527104]  ? __switch_to_asm+0x40/0x70
[  290.531187]  ? __switch_to_asm+0x34/0x70
[  290.535250]  ? __switch_to_asm+0x40/0x70
[  290.539310]  ? __switch_to_asm+0x34/0x70
[  290.543372]  ? __switch_to_asm+0x40/0x70
[  290.547445]  ? pvclock_read_flags+0x160/0x160
[  290.551945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.557486]  ? check_preemption_disabled+0x48/0x200
[  290.562519]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  290.568073]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.573362]  ? rcu_pm_notify+0xc0/0xc0
[  290.577254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.582793]  ? check_preemption_disabled+0x48/0x200
[  290.587821]  run_timer_softirq+0x52/0xb0
[  290.591914]  ? rcu_read_lock_sched_held+0x108/0x120
[  290.596937]  __do_softirq+0x30b/0xad8
[  290.600754]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  290.606353]  ? schedule+0x108/0x460
[  290.610074]  ? __schedule+0x1ed0/0x1ed0
[  290.614064]  ? trace_hardirqs_off+0xb8/0x300
[  290.618484]  ? ___might_sleep+0x1ed/0x300
[  290.622635]  ? smpboot_thread_fn+0x68b/0xa00
[  290.627053]  ? trace_hardirqs_on+0x310/0x310
[  290.631480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.637025]  ? check_preemption_disabled+0x48/0x200
[  290.642055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.647632]  ? takeover_tasklets+0xa90/0xa90
[  290.652048]  run_ksoftirqd+0x94/0x100
[  290.655853]  smpboot_thread_fn+0x68b/0xa00
[  290.660093]  ? sort_range+0x30/0x30
[  290.663737]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.668844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.674403]  ? __kthread_parkme+0xfb/0x1a0
[  290.678654]  kthread+0x35a/0x420
[  290.682032]  ? sort_range+0x30/0x30
[  290.685658]  ? kthread_bind+0x40/0x40
[  290.689469]  ret_from_fork+0x3a/0x50
[  290.693212] warn_alloc_show_mem: 1 callbacks suppressed
[  290.693225] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  290.693226] Mem-Info:
[  290.693257] active_anon:44072 inactive_anon:951 isolated_anon:0
[  290.693257]  active_file:15 inactive_file:18 isolated_file:0
[  290.693257]  unevictable:0 dirty:0 writeback:0 unstable:0
[  290.693257]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  290.693257]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  290.693257]  free:13779 free_pcp:230 free_cma:0
[  290.698597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.705793] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  290.708195] Call Trace:
[  290.741158] Node 0 
[  290.750511]  <IRQ>
[  290.778289] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  290.780852]  dump_stack+0x1c4/0x2b4
[  290.783063] lowmem_reserve[]:
[  290.785207]  ? dump_stack_print_info.cold.2+0x52/0x52
[  290.810688]  0
[  290.814345]  warn_alloc.cold.118+0xb7/0x1bd
[  290.817417]  2815
[  290.822606]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.824389]  6318
[  290.828704]  ? lock_downgrade+0x900/0x900
[  290.830741]  6318
[  290.835580]  ? trace_hardirqs_off+0xb8/0x300
[  290.841759]  ? trace_hardirqs_off+0xb8/0x300
[  290.843798] Node 0 
[  290.848202]  __alloc_pages_slowpath+0x2667/0x2d80
[  290.852615] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  290.854839]  ? warn_alloc+0x120/0x120
[  290.859632] lowmem_reserve[]:
[  290.886547]  ? trace_hardirqs_on+0x310/0x310
[  290.890326]  0
[  290.893436]  ? warn_alloc+0x120/0x120
[  290.897816]  0
[  290.899612]  ? print_usage_bug+0xc0/0xc0
[  290.903389]  3503
[  290.905183]  ? warn_alloc+0x120/0x120
[  290.909219]  3503
[  290.911277]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  290.917122]  ? print_usage_bug+0xc0/0xc0
[  290.922120] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  290.926203]  ? __lock_acquire+0x7ec/0x4ec0
[  290.926220]  ? __lock_acquire+0x7ec/0x4ec0
[  290.955176] lowmem_reserve[]:
[  290.959408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.963614]  0
[  290.966713]  ? should_fail+0x22d/0xd01
[  290.972232]  0
[  290.974034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.977893]  0
[  290.979693]  ? __lock_acquire+0x7ec/0x4ec0
[  290.984770]  0
[  290.986570]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.992573]  ? __lock_acquire+0x7ec/0x4ec0
[  290.997650] Node 0 
[  291.001872]  ? should_fail+0x22d/0xd01
[  291.001882] DMA: 
[  291.004123]  ? print_usage_bug+0xc0/0xc0
[  291.007992] 1*4kB 
[  291.010063]  ? mark_held_locks+0x130/0x130
[  291.014095] (U) 
[  291.016255]  ? mark_held_locks+0x130/0x130
[  291.020469] 0*8kB 
[  291.022472]  ? graph_lock+0x170/0x170
[  291.026678] 0*16kB 
[  291.028822]  ? print_usage_bug+0xc0/0xc0
[  291.032599] 1*32kB 
[  291.034831]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.038865] (U) 
[  291.041105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.045835] 2*64kB 
[  291.047804]  ? check_preemption_disabled+0x48/0x200
[  291.053313] (U) 
[  291.055544]  ? check_preemption_disabled+0x48/0x200
[  291.060538] 1*128kB 
[  291.062512]  ? __lock_is_held+0xb5/0x140
[  291.067503] (U) 
[  291.069837]  __alloc_pages_nodemask+0xa80/0xde0
[  291.073870] 1*256kB 
[  291.075853]  ? graph_lock+0x170/0x170
[  291.080498] (U) 
[  291.082831]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  291.086604] 0*512kB 
[  291.088572]  ? graph_lock+0x170/0x170
[  291.093565] 1*1024kB 
[  291.095887]  ? find_held_lock+0x36/0x1c0
[  291.099656] (U) 
[  291.102065]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.106095] 1*2048kB 
[  291.108085]  ? lock_downgrade+0x900/0x900
[  291.112738] (M) 
[  291.115153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.119290] 3*4096kB 
[  291.121262]  cache_grow_begin+0x91/0x8c0
[  291.126772] (M) 
[  291.129177]  ? do_raw_spin_unlock+0xa7/0x2f0
[  291.133217] = 15908kB
[  291.135189]  fallback_alloc+0x203/0x2e0
[  291.139570] Node 0 
[  291.141975]  ____cache_alloc_node+0x1c7/0x1e0
[  291.145920] DMA32: 
[  291.148152]  kmem_cache_alloc_node+0xe3/0x730
[  291.152622] 1*4kB 
[  291.154853]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.159320] (M) 
[  291.161472]  __alloc_skb+0x119/0x770
[  291.165679] 3*8kB 
[  291.167652]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.171346] (UM) 
[  291.173492]  ? skb_scrub_packet+0x490/0x490
[  291.178758] 0*16kB 
[  291.180812]  ? lock_downgrade+0x900/0x900
[  291.185120] 3*32kB 
[  291.187354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.191473] (UM) 
[  291.193708]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.199218] 2*64kB 
[  291.201273]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.206695] (M) 
[  291.209035]  ? addrconf_rs_timer+0x6f0/0x6f0
[  291.214461] 5*128kB 
[  291.216455]  ndisc_alloc_skb+0x144/0x340
[  291.220822] (UM) 
[  291.223146]  ndisc_send_rs+0x331/0x6e0
[  291.227182] 3*256kB 
[  291.229243]  addrconf_rs_timer+0x3c0/0x6f0
[  291.233108] (M) 
[  291.235432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.239641] 4*512kB 
[  291.241621]  call_timer_fn+0x272/0x920
[  291.245826] (M) 
[  291.248149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.252008] 3*1024kB (UM) 
[  291.254016]  ? process_timeout+0x40/0x40
[  291.258226] 3*2048kB 
[  291.261062]  ? find_held_lock+0x36/0x1c0
[  291.265095] (M) 
[  291.267525]  ? __run_timers+0x7da/0xc70
[  291.271553] 3*4096kB 
[  291.273521]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.277470] (M) 
[  291.279881]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.284346] = 25212kB
[  291.284354] Node 0 
[  291.286336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.290796] Normal: 887*4kB 
[  291.293209]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  291.295421] (UME) 
[  291.299647]  ? trace_hardirqs_on+0xbd/0x310
[  291.302640] 378*8kB (UMEH) 
[  291.307220]  ? kasan_check_read+0x11/0x20
[  291.309348] 172*16kB 
[  291.313665]  ? __run_timers+0x7da/0xc70
[  291.316573] (UMEH) 
[  291.320714]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.323105] 106*32kB 
[  291.327077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.329286] (UMEH) 
[  291.334731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.337116] 16*64kB (UMH) 
[  291.341371]  __run_timers+0x7e5/0xc70
[  291.343581] 0*128kB 
[  291.347818]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  291.350635] 1*256kB 
[  291.354432]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.356732] (H) 
[  291.362088]  ? graph_lock+0x170/0x170
[  291.364398] 0*512kB 
[  291.369405]  ? enqueue_hrtimer+0x1a5/0x560
[  291.371366] 0*1024kB 
[  291.375158]  ? lock_release+0x970/0x970
[  291.377458] 0*2048kB 
[  291.381681]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  291.384072] 0*4096kB 
[  291.388039]  ? find_held_lock+0x36/0x1c0
[  291.390423] = 13996kB
[  291.395608]  ? graph_lock+0x170/0x170
[  291.398006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  291.402055]  ? pvclock_read_flags+0x160/0x160
[  291.404450] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  291.408240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.417049] 4508 total pagecache pages
[  291.421538]  ? check_preemption_disabled+0x48/0x200
[  291.430094] 0 pages in swap cache
[  291.435639]  ? __lock_is_held+0xb5/0x140
[  291.439496] Swap cache stats: add 0, delete 0, find 0/0
[  291.444509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.447936] Free swap  = 0kB
[  291.451992]  ? check_preemption_disabled+0x48/0x200
[  291.457336] Total swap = 0kB
[  291.457344] 1965979 pages RAM
[  291.462886]  run_timer_softirq+0x52/0xb0
[  291.465873] 0 pages HighMem/MovableOnly
[  291.470904]  ? rcu_read_lock_sched_held+0x108/0x120
[  291.474171] 343323 pages reserved
[  291.474180] 0 pages cma reserved
[  291.477287]  __do_softirq+0x30b/0xad8
[  291.481391] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.485293]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  291.490372] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.493729]  ? pvclock_read_flags+0x160/0x160
[  291.497069] ksoftirqd/1 cpuset=
[  291.500861]  ? lapic_next_event+0x5a/0x90
[  291.507328] /
[  291.512427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.522715]  mems_allowed=0
[  291.527203]  ? check_preemption_disabled+0x48/0x200
[  291.549736]  ? check_preemption_disabled+0x48/0x200
[  291.554761]  ? kvm_clock_read+0x18/0x30
[  291.558739]  ? kvm_sched_clock_read+0x9/0x20
[  291.563152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.568689]  ? check_preemption_disabled+0x48/0x200
[  291.573733]  irq_exit+0x17f/0x1c0
[  291.577283]  smp_apic_timer_interrupt+0x1cb/0x760
[  291.582135]  ? smp_reschedule_interrupt+0x109/0x650
[  291.587165]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.593052]  ? interrupt_entry+0xb5/0xf0
[  291.597984]  ? trace_hardirqs_off_caller+0xbb/0x300
[  291.603500]  ? trace_hardirqs_off_caller+0xbb/0x300
[  291.608519]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.613364]  ? trace_hardirqs_off+0x300/0x300
[  291.617862]  ? trace_hardirqs_off+0x300/0x300
[  291.622359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.627897]  ? check_preemption_disabled+0x48/0x200
[  291.632914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.638462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.643321]  apic_timer_interrupt+0xf/0x20
[  291.647551]  </IRQ>
[  291.649794] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  291.654724] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  291.673626] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  291.681339] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  291.688612] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  291.695880] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  291.703628] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  291.710898] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  291.718217]  skb_clone+0x1bb/0x500
[  291.721763]  ? finish_task_switch+0x2f5/0x900
[  291.726266]  ? skb_split+0x11e0/0x11e0
[  291.730200]  ? preempt_notifier_register+0x200/0x200
[  291.735306]  ? __switch_to_asm+0x34/0x70
[  291.739373]  ? __switch_to_asm+0x34/0x70
[  291.743436]  ? __switch_to_asm+0x40/0x70
[  291.747498]  ? __switch_to_asm+0x34/0x70
[  291.751559]  ? __switch_to_asm+0x40/0x70
[  291.755624]  ? __switch_to_asm+0x34/0x70
[  291.759689]  ? __switch_to_asm+0x40/0x70
[  291.763753]  ? __switch_to_asm+0x34/0x70
[  291.767818]  ? __switch_to_asm+0x34/0x70
[  291.771892]  ? __switch_to_asm+0x40/0x70
[  291.775958]  ? __switch_to_asm+0x34/0x70
[  291.780028]  bpf_clone_redirect+0xb9/0x490
[  291.784270]  ? __schedule+0x874/0x1ed0
[  291.788165]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  291.793189]  ? __sched_text_start+0x8/0x8
[  291.797342]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.802128]  ? find_held_lock+0x36/0x1c0
[  291.806215]  ? lock_acquire+0x1ed/0x520
[  291.810194]  ? bpf_test_run+0x32e/0x5a0
[  291.814171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.819710]  ? check_preemption_disabled+0x48/0x200
[  291.824733]  ? kasan_check_read+0x11/0x20
[  291.828900]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.834183]  ? rcu_bh_qs+0xc0/0xc0
[  291.837730]  ? preempt_schedule+0x4d/0x60
[  291.841883]  ? ___preempt_schedule+0x16/0x18
[  291.846300]  ? bpf_test_run+0x1c0/0x5a0
[  291.850292]  ? netlink_diag_dump+0x2a0/0x2a0
[  291.854706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.860242]  ? bpf_test_init.isra.9+0x70/0x100
[  291.864831]  ? bpf_prog_test_run_skb+0x634/0xb40
[  291.869597]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  291.874440]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  291.879975]  ? fput+0x130/0x1a0
[  291.883261]  ? __bpf_prog_get+0x9b/0x290
[  291.887326]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  291.892168]  ? bpf_prog_test_run+0x130/0x1a0
[  291.896582]  ? __x64_sys_bpf+0x3d8/0x510
[  291.900647]  ? bpf_prog_get+0x20/0x20
[  291.904471]  ? do_syscall_64+0x1b9/0x820
[  291.908534]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  291.913903]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.918832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.923679]  ? trace_hardirqs_off+0x300/0x300
[  291.928177]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  291.933195]  ? prepare_exit_to_usermode+0x291/0x3b0
[  291.938221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.943075]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  291.948482] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  291.948552] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.955326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.955332] Call Trace:
[  291.955350]  dump_stack+0x1c4/0x2b4
[  291.955367]  ? dump_stack_print_info.cold.2+0x52/0x52
[  291.955393]  warn_alloc.cold.118+0xb7/0x1bd
[  291.961943] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.971213]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.973788] syz-executor4 cpuset=
[  291.977408]  ? lock_downgrade+0x900/0x900
[  291.982573] syz4
[  291.986895]  ? trace_hardirqs_off+0xb8/0x300
[  291.997444]  mems_allowed=0
[  292.002285]  ? trace_hardirqs_off+0xb8/0x300
[  292.023536]  __alloc_pages_slowpath+0x2667/0x2d80
[  292.028419]  ? warn_alloc+0x120/0x120
[  292.032229]  ? warn_alloc+0x120/0x120
[  292.036038]  ? print_usage_bug+0xc0/0xc0
[  292.040110]  ? warn_alloc+0x120/0x120
[  292.043915]  ? print_usage_bug+0xc0/0xc0
[  292.047978]  ? __lock_acquire+0x7ec/0x4ec0
[  292.052216]  ? __lock_acquire+0x7ec/0x4ec0
[  292.056457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.061997]  ? should_fail+0x22d/0xd01
[  292.065891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.070995]  ? __lock_acquire+0x7ec/0x4ec0
[  292.075239]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.080340]  ? __lock_acquire+0x7ec/0x4ec0
[  292.084576]  ? should_fail+0x22d/0xd01
[  292.088464]  ? print_usage_bug+0xc0/0xc0
[  292.092559]  ? mark_held_locks+0x130/0x130
[  292.096804]  ? mark_held_locks+0x130/0x130
[  292.101050]  ? graph_lock+0x170/0x170
[  292.104854]  ? print_usage_bug+0xc0/0xc0
[  292.108916]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.113679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.119219]  ? check_preemption_disabled+0x48/0x200
[  292.124238]  ? check_preemption_disabled+0x48/0x200
[  292.129269]  ? __lock_is_held+0xb5/0x140
[  292.133339]  __alloc_pages_nodemask+0xa80/0xde0
[  292.138009]  ? graph_lock+0x170/0x170
[  292.141815]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  292.146833]  ? graph_lock+0x170/0x170
[  292.150654]  ? find_held_lock+0x36/0x1c0
[  292.154726]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.159398]  ? lock_downgrade+0x900/0x900
[  292.163555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.169107]  cache_grow_begin+0x91/0x8c0
[  292.173175]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.177592]  fallback_alloc+0x203/0x2e0
[  292.181581]  ____cache_alloc_node+0x1c7/0x1e0
[  292.186089]  kmem_cache_alloc_node+0xe3/0x730
[  292.190604]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.194859]  __alloc_skb+0x119/0x770
[  292.198574]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.203856]  ? skb_scrub_packet+0x490/0x490
[  292.208179]  ? lock_downgrade+0x900/0x900
[  292.212338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.217883]  ? refcount_sub_and_test_checked+0x203/0x310
[  292.223343]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  292.228797]  ? addrconf_rs_timer+0x6f0/0x6f0
[  292.233226]  ndisc_alloc_skb+0x144/0x340
[  292.237300]  ndisc_send_rs+0x331/0x6e0
[  292.241202]  addrconf_rs_timer+0x3c0/0x6f0
[  292.245445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.249701]  call_timer_fn+0x272/0x920
[  292.253590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.257836]  ? process_timeout+0x40/0x40
[  292.261895]  ? find_held_lock+0x36/0x1c0
[  292.265970]  ? __run_timers+0x7da/0xc70
[  292.269949]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.274444]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.278944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.283181]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  292.287773]  ? trace_hardirqs_on+0xbd/0x310
[  292.292107]  ? kasan_check_read+0x11/0x20
[  292.296264]  ? __run_timers+0x7da/0xc70
[  292.300248]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.305709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.309954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.314191]  __run_timers+0x7e5/0xc70
[  292.318010]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  292.323386]  ? compat_start_thread+0x80/0x80
[  292.327815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.333369]  ? kasan_check_write+0x14/0x20
[  292.337626]  ? finish_task_switch+0x2f5/0x900
[  292.342171]  ? __switch_to_asm+0x40/0x70
[  292.346246]  ? preempt_notifier_register+0x200/0x200
[  292.351355]  ? __switch_to_asm+0x34/0x70
[  292.355417]  ? __switch_to_asm+0x40/0x70
[  292.359485]  ? __switch_to_asm+0x34/0x70
[  292.363544]  ? __switch_to_asm+0x40/0x70
[  292.367606]  ? __switch_to_asm+0x34/0x70
[  292.371671]  ? __switch_to_asm+0x40/0x70
[  292.375745]  ? pvclock_read_flags+0x160/0x160
[  292.380246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.385785]  ? check_preemption_disabled+0x48/0x200
[  292.390814]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  292.396353]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.401644]  ? rcu_pm_notify+0xc0/0xc0
[  292.405537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.411107]  ? check_preemption_disabled+0x48/0x200
[  292.416145]  run_timer_softirq+0x52/0xb0
[  292.420212]  ? rcu_read_lock_sched_held+0x108/0x120
[  292.425235]  __do_softirq+0x30b/0xad8
[  292.429053]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  292.434167]  ? schedule+0x108/0x460
[  292.437800]  ? __schedule+0x1ed0/0x1ed0
[  292.441785]  ? trace_hardirqs_off+0xb8/0x300
[  292.446203]  ? ___might_sleep+0x1ed/0x300
[  292.450370]  ? smpboot_thread_fn+0x68b/0xa00
[  292.454785]  ? trace_hardirqs_on+0x310/0x310
[  292.459198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.464738]  ? check_preemption_disabled+0x48/0x200
[  292.469752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.475295]  ? takeover_tasklets+0xa90/0xa90
[  292.479711]  run_ksoftirqd+0x94/0x100
[  292.483516]  smpboot_thread_fn+0x68b/0xa00
[  292.487758]  ? sort_range+0x30/0x30
[  292.491387]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.496493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.502031]  ? __kthread_parkme+0xfb/0x1a0
[  292.506275]  kthread+0x35a/0x420
[  292.509642]  ? sort_range+0x30/0x30
[  292.513268]  ? kthread_bind+0x40/0x40
[  292.517076]  ret_from_fork+0x3a/0x50
[  292.520813] warn_alloc_show_mem: 1 callbacks suppressed
[  292.520825] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  292.520827] Mem-Info:
[  292.520858] active_anon:44072 inactive_anon:951 isolated_anon:0
[  292.520858]  active_file:15 inactive_file:18 isolated_file:0
[  292.520858]  unevictable:0 dirty:0 writeback:0 unstable:0
[  292.520858]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  292.520858]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  292.520858]  free:13779 free_pcp:230 free_cma:0
[  292.526195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.533383] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  292.535780] Call Trace:
[  292.568750] Node 0 
[  292.578095]  <IRQ>
[  292.606352] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  292.608912]  dump_stack+0x1c4/0x2b4
[  292.611125] lowmem_reserve[]:
[  292.613270]  ? dump_stack_print_info.cold.2+0x52/0x52
[  292.638747]  0
[  292.642379]  warn_alloc.cold.118+0xb7/0x1bd
[  292.645449]  2815
[  292.651122]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.652896]  6318
[  292.657209]  ? lock_downgrade+0x900/0x900
[  292.659249]  6318
[  292.664089]  ? trace_hardirqs_off+0xb8/0x300
[  292.670272]  ? trace_hardirqs_off+0xb8/0x300
[  292.672308] Node 0 
[  292.676711]  __alloc_pages_slowpath+0x2667/0x2d80
[  292.681120] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  292.683353]  ? warn_alloc+0x120/0x120
[  292.688145] lowmem_reserve[]:
[  292.715029]  ? trace_hardirqs_on+0x310/0x310
[  292.718821]  0
[  292.721920]  ? warn_alloc+0x120/0x120
[  292.726303]  0
[  292.728108]  ? print_usage_bug+0xc0/0xc0
[  292.731877]  3503 3503
[  292.733684]  ? warn_alloc+0x120/0x120
[  292.740209]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  292.743982] Node 0 
[  292.748989]  ? print_usage_bug+0xc0/0xc0
[  292.749020] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  292.749028] lowmem_reserve[]:
[  292.751262]  ? __lock_acquire+0x7ec/0x4ec0
[  292.755301]  0
[  292.783662]  ? __lock_acquire+0x7ec/0x4ec0
[  292.786744]  0
[  292.790972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.792750]  0
[  292.796979]  ? should_fail+0x22d/0xd01
[  292.798758]  0
[  292.804286]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.809947]  ? __lock_acquire+0x7ec/0x4ec0
[  292.811726] Node 0 
[  292.816827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.821036] DMA: 
[  292.823266]  ? __lock_acquire+0x7ec/0x4ec0
[  292.828347] 1*4kB 
[  292.830402]  ? should_fail+0x22d/0xd01
[  292.834615] (U) 
[  292.836754]  ? print_usage_bug+0xc0/0xc0
[  292.840617] 0*8kB 
[  292.842598]  ? mark_held_locks+0x130/0x130
[  292.846632] 0*16kB 
[  292.848777]  ? mark_held_locks+0x130/0x130
[  292.852986] 1*32kB 
[  292.855218]  ? graph_lock+0x170/0x170
[  292.859424] (U) 
[  292.861656]  ? print_usage_bug+0xc0/0xc0
[  292.865434] 2*64kB 
[  292.867404]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.871438] (U) 
[  292.873670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.878396] 1*128kB 
[  292.880366]  ? check_preemption_disabled+0x48/0x200
[  292.885875] (U) 
[  292.888193]  ? check_preemption_disabled+0x48/0x200
[  292.893199] 1*256kB 
[  292.895177]  ? __lock_is_held+0xb5/0x140
[  292.900161] (U) 
[  292.902485]  __alloc_pages_nodemask+0xa80/0xde0
[  292.906522] 0*512kB 
[  292.908492]  ? graph_lock+0x170/0x170
[  292.913140] 1*1024kB 
[  292.915456]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  292.919234] (U) 
[  292.921637]  ? graph_lock+0x170/0x170
[  292.926628] 1*2048kB (M) 
[  292.928614]  ? find_held_lock+0x36/0x1c0
[  292.932394] 3*4096kB 
[  292.935157]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.939183] (M) 
[  292.941589]  ? lock_downgrade+0x900/0x900
[  292.946232] = 15908kB
[  292.948209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.952325] Node 0 
[  292.954731]  cache_grow_begin+0x91/0x8c0
[  292.960241] DMA32: 
[  292.962470]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.966505] 1*4kB 
[  292.968741]  fallback_alloc+0x203/0x2e0
[  292.973134] (M) 
[  292.975296]  ____cache_alloc_node+0x1c7/0x1e0
[  292.979247] 3*8kB 
[  292.981219]  kmem_cache_alloc_node+0xe3/0x730
[  292.985683] (UM) 
[  292.987833]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.992297] 0*16kB 3*32kB 
[  292.994368]  __alloc_skb+0x119/0x770
[  292.998571] (UM) 
[  293.001412]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.005094] 2*64kB 
[  293.007165]  ? skb_scrub_packet+0x490/0x490
[  293.012420] (M) 
[  293.014656]  ? lock_downgrade+0x900/0x900
[  293.018945] 5*128kB (UM) 
[  293.020928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.025045] 3*256kB 
[  293.027796]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.033307] (M) 
[  293.035631]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.041058] 4*512kB 
[  293.043031]  ? addrconf_rs_timer+0x6f0/0x6f0
[  293.048453] (M) 
[  293.050778]  ndisc_alloc_skb+0x144/0x340
[  293.055153] 3*1024kB 
[  293.057135]  ndisc_send_rs+0x331/0x6e0
[  293.061164] (UM) 
[  293.063570]  addrconf_rs_timer+0x3c0/0x6f0
[  293.067430] 3*2048kB 
[  293.069506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.073715] (M) 
[  293.076140]  call_timer_fn+0x272/0x920
[  293.080331] 3*4096kB (M) 
[  293.082312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.086176] = 25212kB
[  293.088928]  ? process_timeout+0x40/0x40
[  293.093135] Node 0 
[  293.095537]  ? find_held_lock+0x36/0x1c0
[  293.099574] Normal: 
[  293.101807]  ? __run_timers+0x7da/0xc70
[  293.105837] 887*4kB 
[  293.108158]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.112118] (UME) 
[  293.114438]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.118913] 378*8kB 
[  293.121054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.125523] (UMEH) 
[  293.127843]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  293.132053] 172*16kB 
[  293.134283]  ? trace_hardirqs_on+0xbd/0x310
[  293.138836] (UMEH) 
[  293.141240]  ? kasan_check_read+0x11/0x20
[  293.145542] 106*32kB 
[  293.147770]  ? __run_timers+0x7da/0xc70
[  293.151889] (UMEH) 
[  293.154295]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.158244] 16*64kB 
[  293.160477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.165901] (UMH) 0*128kB 
[  293.168247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.172470] 1*256kB 
[  293.175309]  __run_timers+0x7e5/0xc70
[  293.179514] (H) 
[  293.181842]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  293.185617] 0*512kB 
[  293.187582]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.192923] 0*1024kB 
[  293.195239]  ? graph_lock+0x170/0x170
[  293.200233] 0*2048kB 
[  293.202635]  ? enqueue_hrtimer+0x1a5/0x560
[  293.206411] 0*4096kB 
[  293.208815]  ? lock_release+0x970/0x970
[  293.213027] = 13996kB
[  293.215431]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  293.219387] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  293.221787]  ? find_held_lock+0x36/0x1c0
[  293.226956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  293.235782]  ? graph_lock+0x170/0x170
[  293.239819] 4508 total pagecache pages
[  293.248387]  ? pvclock_read_flags+0x160/0x160
[  293.252167] 0 pages in swap cache
[  293.256042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.260512] Swap cache stats: add 0, delete 0, find 0/0
[  293.263957]  ? check_preemption_disabled+0x48/0x200
[  293.269468] Free swap  = 0kB
[  293.274832]  ? __lock_is_held+0xb5/0x140
[  293.279815] Total swap = 0kB
[  293.282838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.286872] 1965979 pages RAM
[  293.289883]  ? check_preemption_disabled+0x48/0x200
[  293.295393] 0 pages HighMem/MovableOnly
[  293.298496]  run_timer_softirq+0x52/0xb0
[  293.303484] 343323 pages reserved
[  293.307450]  ? rcu_read_lock_sched_held+0x108/0x120
[  293.311483] 0 pages cma reserved
[  293.314936]  __do_softirq+0x30b/0xad8
[  293.320013] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  293.323292]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  293.327133] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  293.333602]  ? pvclock_read_flags+0x160/0x160
[  293.338686] ksoftirqd/1 cpuset=
[  293.348992]  ? lapic_next_event+0x5a/0x90
[  293.353477] /
[  293.356754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.360888]  mems_allowed=0
[  293.362592]  ? check_preemption_disabled+0x48/0x200
[  293.376062]  ? check_preemption_disabled+0x48/0x200
[  293.381087]  ? kvm_clock_read+0x18/0x30
[  293.385075]  ? kvm_sched_clock_read+0x9/0x20
[  293.389498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.395038]  ? check_preemption_disabled+0x48/0x200
[  293.400066]  irq_exit+0x17f/0x1c0
[  293.403535]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.408380]  ? smp_reschedule_interrupt+0x109/0x650
[  293.413401]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.419288]  ? interrupt_entry+0xb5/0xf0
[  293.423353]  ? trace_hardirqs_off_caller+0xbb/0x300
[  293.428373]  ? trace_hardirqs_off_caller+0xbb/0x300
[  293.433396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.438242]  ? trace_hardirqs_off+0x300/0x300
[  293.442736]  ? trace_hardirqs_off+0x300/0x300
[  293.447237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.452777]  ? check_preemption_disabled+0x48/0x200
[  293.457795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.463345]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.468199]  apic_timer_interrupt+0xf/0x20
[  293.472429]  </IRQ>
[  293.475182] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  293.480126] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  293.499029] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  293.506739] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  293.514024] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  293.521290] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  293.528557] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  293.535828] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  293.543165]  skb_clone+0x1bb/0x500
[  293.546714]  ? finish_task_switch+0x2f5/0x900
[  293.551215]  ? skb_split+0x11e0/0x11e0
[  293.555121]  ? preempt_notifier_register+0x200/0x200
[  293.560231]  ? __switch_to_asm+0x34/0x70
[  293.564291]  ? __switch_to_asm+0x34/0x70
[  293.568353]  ? __switch_to_asm+0x40/0x70
[  293.572418]  ? __switch_to_asm+0x34/0x70
[  293.576475]  ? __switch_to_asm+0x40/0x70
[  293.580533]  ? __switch_to_asm+0x34/0x70
[  293.584593]  ? __switch_to_asm+0x40/0x70
[  293.588656]  ? __switch_to_asm+0x34/0x70
[  293.592719]  ? __switch_to_asm+0x34/0x70
[  293.596784]  ? __switch_to_asm+0x40/0x70
[  293.600846]  ? __switch_to_asm+0x34/0x70
[  293.604919]  bpf_clone_redirect+0xb9/0x490
[  293.609635]  ? __schedule+0x874/0x1ed0
[  293.613533]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  293.618560]  ? __sched_text_start+0x8/0x8
[  293.622713]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  293.627486]  ? find_held_lock+0x36/0x1c0
[  293.631558]  ? lock_acquire+0x1ed/0x520
[  293.635537]  ? bpf_test_run+0x32e/0x5a0
[  293.639514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.645054]  ? check_preemption_disabled+0x48/0x200
[  293.650077]  ? kasan_check_read+0x11/0x20
[  293.654239]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.659522]  ? rcu_bh_qs+0xc0/0xc0
[  293.663064]  ? preempt_schedule+0x4d/0x60
[  293.667213]  ? ___preempt_schedule+0x16/0x18
[  293.671632]  ? bpf_test_run+0x1c0/0x5a0
[  293.675620]  ? netlink_diag_dump+0x2a0/0x2a0
[  293.680035]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.685573]  ? bpf_test_init.isra.9+0x70/0x100
[  293.690165]  ? bpf_prog_test_run_skb+0x634/0xb40
[  293.694933]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  293.699776]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  293.705316]  ? fput+0x130/0x1a0
[  293.708599]  ? __bpf_prog_get+0x9b/0x290
[  293.712667]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  293.717510]  ? bpf_prog_test_run+0x130/0x1a0
[  293.721926]  ? __x64_sys_bpf+0x3d8/0x510
[  293.725989]  ? bpf_prog_get+0x20/0x20
[  293.729815]  ? do_syscall_64+0x1b9/0x820
[  293.733891]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  293.739260]  ? syscall_return_slowpath+0x5e0/0x5e0
[  293.744197]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.749044]  ? trace_hardirqs_off+0x300/0x300
[  293.753544]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  293.758565]  ? prepare_exit_to_usermode+0x291/0x3b0
[  293.763587]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.768438]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  293.773822] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  293.773893] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  293.780667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.780672] Call Trace:
[  293.780690]  dump_stack+0x1c4/0x2b4
[  293.780710]  ? dump_stack_print_info.cold.2+0x52/0x52
[  293.787241] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  293.796541]  warn_alloc.cold.118+0xb7/0x1bd
[  293.799092] syz-executor4 cpuset=
[  293.802719]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.807886] syz4
[  293.818366]  ? lock_downgrade+0x900/0x900
[  293.822663]  mems_allowed=0
[  293.826121]  ? trace_hardirqs_off+0xb8/0x300
[  293.844383]  ? trace_hardirqs_off+0xb8/0x300
[  293.848805]  __alloc_pages_slowpath+0x2667/0x2d80
[  293.853683]  ? warn_alloc+0x120/0x120
[  293.857492]  ? warn_alloc+0x120/0x120
[  293.861299]  ? print_usage_bug+0xc0/0xc0
[  293.865362]  ? warn_alloc+0x120/0x120
[  293.869176]  ? print_usage_bug+0xc0/0xc0
[  293.873246]  ? __lock_acquire+0x7ec/0x4ec0
[  293.877481]  ? __lock_acquire+0x7ec/0x4ec0
[  293.881720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.887263]  ? should_fail+0x22d/0xd01
[  293.891159]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.896265]  ? __lock_acquire+0x7ec/0x4ec0
[  293.900512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.905623]  ? __lock_acquire+0x7ec/0x4ec0
[  293.909861]  ? should_fail+0x22d/0xd01
[  293.913759]  ? mark_held_locks+0x130/0x130
[  293.918002]  ? mark_held_locks+0x130/0x130
[  293.922241]  ? graph_lock+0x170/0x170
[  293.926042]  ? graph_lock+0x170/0x170
[  293.929850]  ? graph_lock+0x170/0x170
[  293.933651]  ? print_usage_bug+0xc0/0xc0
[  293.937714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.943254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.948793]  ? check_preemption_disabled+0x48/0x200
[  293.953805]  ? check_preemption_disabled+0x48/0x200
[  293.958832]  ? __lock_is_held+0xb5/0x140
[  293.962906]  __alloc_pages_nodemask+0xa80/0xde0
[  293.967579]  ? graph_lock+0x170/0x170
[  293.971425]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  293.976439]  ? graph_lock+0x170/0x170
[  293.980252]  ? find_held_lock+0x36/0x1c0
[  293.984333]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.989003]  ? lock_downgrade+0x900/0x900
[  293.993164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.998708]  cache_grow_begin+0x91/0x8c0
[  294.002771]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.007189]  fallback_alloc+0x203/0x2e0
[  294.011172]  ____cache_alloc_node+0x1c7/0x1e0
[  294.015673]  kmem_cache_alloc_node+0xe3/0x730
[  294.020173]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.024438]  __alloc_skb+0x119/0x770
[  294.028171]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.033458]  ? skb_scrub_packet+0x490/0x490
[  294.037810]  ? lock_downgrade+0x900/0x900
[  294.041971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.047516]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.052975]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.058432]  ? addrconf_rs_timer+0x6f0/0x6f0
[  294.062855]  ndisc_alloc_skb+0x144/0x340
[  294.066927]  ndisc_send_rs+0x331/0x6e0
[  294.070826]  addrconf_rs_timer+0x3c0/0x6f0
[  294.075067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.079333]  call_timer_fn+0x272/0x920
[  294.083226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.087467]  ? process_timeout+0x40/0x40
[  294.091531]  ? find_held_lock+0x36/0x1c0
[  294.095602]  ? __run_timers+0x7da/0xc70
[  294.099590]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.104091]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.108594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.112831]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  294.117417]  ? trace_hardirqs_on+0xbd/0x310
[  294.121737]  ? kasan_check_read+0x11/0x20
[  294.125911]  ? __run_timers+0x7da/0xc70
[  294.129910]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.135367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.139619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.143862]  __run_timers+0x7e5/0xc70
[  294.147680]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  294.153046]  ? compat_start_thread+0x80/0x80
[  294.157458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.163005]  ? kasan_check_write+0x14/0x20
[  294.167247]  ? finish_task_switch+0x2f5/0x900
[  294.171744]  ? __switch_to_asm+0x40/0x70
[  294.175823]  ? preempt_notifier_register+0x200/0x200
[  294.180927]  ? __switch_to_asm+0x34/0x70
[  294.184986]  ? __switch_to_asm+0x40/0x70
[  294.189045]  ? __switch_to_asm+0x34/0x70
[  294.193117]  ? __switch_to_asm+0x40/0x70
[  294.197187]  ? __switch_to_asm+0x34/0x70
[  294.201255]  ? __switch_to_asm+0x40/0x70
[  294.205335]  ? pvclock_read_flags+0x160/0x160
[  294.209837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.215378]  ? check_preemption_disabled+0x48/0x200
[  294.220408]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  294.225950]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.231236]  ? rcu_pm_notify+0xc0/0xc0
[  294.235138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.240678]  ? check_preemption_disabled+0x48/0x200
[  294.245701]  run_timer_softirq+0x52/0xb0
[  294.249769]  ? rcu_read_lock_sched_held+0x108/0x120
[  294.254790]  __do_softirq+0x30b/0xad8
[  294.258608]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  294.263729]  ? schedule+0x108/0x460
[  294.267364]  ? __schedule+0x1ed0/0x1ed0
[  294.271345]  ? trace_hardirqs_off+0xb8/0x300
[  294.275772]  ? ___might_sleep+0x1ed/0x300
[  294.279922]  ? smpboot_thread_fn+0x68b/0xa00
[  294.284427]  ? trace_hardirqs_on+0x310/0x310
[  294.288839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.294377]  ? check_preemption_disabled+0x48/0x200
[  294.299392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.304933]  ? takeover_tasklets+0xa90/0xa90
[  294.309347]  run_ksoftirqd+0x94/0x100
[  294.313151]  smpboot_thread_fn+0x68b/0xa00
[  294.317393]  ? sort_range+0x30/0x30
[  294.321021]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.326132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.331672]  ? __kthread_parkme+0xfb/0x1a0
[  294.335914]  kthread+0x35a/0x420
[  294.339279]  ? sort_range+0x30/0x30
[  294.342907]  ? kthread_bind+0x40/0x40
[  294.346714]  ret_from_fork+0x3a/0x50
[  294.350450] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  294.350455] warn_alloc_show_mem: 1 callbacks suppressed
[  294.350462] Mem-Info:
[  294.357648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.363028] active_anon:44072 inactive_anon:951 isolated_anon:0
[  294.363028]  active_file:15 inactive_file:18 isolated_file:0
[  294.363028]  unevictable:0 dirty:0 writeback:0 unstable:0
[  294.363028]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  294.363028]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  294.363028]  free:13779 free_pcp:230 free_cma:0
[  294.365399] Call Trace:
[  294.374800] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  294.407732]  <IRQ>
[  294.410305] Node 0 
[  294.438063]  dump_stack+0x1c4/0x2b4
[  294.440215] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  294.442424]  ? dump_stack_print_info.cold.2+0x52/0x52
[  294.446023] lowmem_reserve[]:
[  294.471541]  warn_alloc.cold.118+0xb7/0x1bd
[  294.476695]  0
[  294.479797]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.484092]  2815
[  294.485904]  ? lock_downgrade+0x900/0x900
[  294.490713]  6318 6318
[  294.492785]  ? trace_hardirqs_off+0xb8/0x300
[  294.499395]  ? trace_hardirqs_off+0xb8/0x300
[  294.503776] Node 0 DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  294.508209]  __alloc_pages_slowpath+0x2667/0x2d80
[  294.508252]  ? warn_alloc+0x120/0x120
[  294.535701] lowmem_reserve[]:
[  294.540542]  ? warn_alloc+0x120/0x120
[  294.544311]  0
[  294.547412]  ? print_usage_bug+0xc0/0xc0
[  294.551184]  0
[  294.552979]  ? warn_alloc+0x120/0x120
[  294.557016]  3503
[  294.558811]  ? print_usage_bug+0xc0/0xc0
[  294.562584]  3503
[  294.564638]  ? __lock_acquire+0x7ec/0x4ec0
[  294.570729]  ? __lock_acquire+0x7ec/0x4ec0
[  294.574937] Node 0 
[  294.579168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.579200] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  294.579207] lowmem_reserve[]:
[  294.581444]  ? should_fail+0x22d/0xd01
[  294.586958]  0
[  294.615611]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.618700]  0
[  294.622580]  ? __lock_acquire+0x7ec/0x4ec0
[  294.624359]  0
[  294.629458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.631234]  0
[  294.635463]  ? __lock_acquire+0x7ec/0x4ec0
[  294.642337]  ? should_fail+0x22d/0xd01
[  294.644118] Node 0 DMA: 
[  294.648362]  ? mark_held_locks+0x130/0x130
[  294.652236] 1*4kB 
[  294.654916]  ? mark_held_locks+0x130/0x130
[  294.659143] (U) 
[  294.661285]  ? graph_lock+0x170/0x170
[  294.665497] 0*8kB 
[  294.667467]  ? graph_lock+0x170/0x170
[  294.671247] 0*16kB 
[  294.673386]  ? graph_lock+0x170/0x170
[  294.677163] 1*32kB 
[  294.679391]  ? print_usage_bug+0xc0/0xc0
[  294.683167] (U) 
[  294.685403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.689438] 2*64kB 
[  294.691407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.696915] (U) 
[  294.699148]  ? check_preemption_disabled+0x48/0x200
[  294.704668] 1*128kB (U) 
[  294.706651]  ? check_preemption_disabled+0x48/0x200
[  294.711642] 1*256kB 
[  294.714317]  ? __lock_is_held+0xb5/0x140
[  294.719298] (U) 
[  294.721620]  __alloc_pages_nodemask+0xa80/0xde0
[  294.725673] 0*512kB 
[  294.727656]  ? graph_lock+0x170/0x170
[  294.732300] 1*1024kB 
[  294.734620]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  294.738417] (U) 
[  294.740818]  ? graph_lock+0x170/0x170
[  294.745824] 1*2048kB 
[  294.747814]  ? find_held_lock+0x36/0x1c0
[  294.751597] (M) 
[  294.754024]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.758065] 3*4096kB 
[  294.760032]  ? lock_downgrade+0x900/0x900
[  294.764691] (M) 
[  294.767099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.771225] = 15908kB
[  294.773210]  cache_grow_begin+0x91/0x8c0
[  294.778720] Node 0 
[  294.781129]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.785161] DMA32: 
[  294.787394]  fallback_alloc+0x203/0x2e0
[  294.791774] 1*4kB 
[  294.794009]  ____cache_alloc_node+0x1c7/0x1e0
[  294.797952] (M) 
[  294.800097]  kmem_cache_alloc_node+0xe3/0x730
[  294.804576] 3*8kB 
[  294.806565]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.811047] (UM) 
[  294.813201]  __alloc_skb+0x119/0x770
[  294.817406] 0*16kB 
[  294.819535]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.823241] 3*32kB 
[  294.825474]  ? skb_scrub_packet+0x490/0x490
[  294.830725] (UM) 
[  294.832972]  ? lock_downgrade+0x900/0x900
[  294.837264] 2*64kB (M) 
[  294.839349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.843476] 5*128kB 
[  294.846072]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.851597] (UM) 
[  294.853940]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.859368] 3*256kB 
[  294.861423]  ? addrconf_rs_timer+0x6f0/0x6f0
[  294.866846] (M) 
[  294.869176]  ndisc_alloc_skb+0x144/0x340
[  294.873552] 4*512kB 
[  294.875521]  ndisc_send_rs+0x331/0x6e0
[  294.879555] (M) 
[  294.881876]  addrconf_rs_timer+0x3c0/0x6f0
[  294.885737] 3*1024kB 
[  294.887709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.891914] (UM) 
[  294.894331]  call_timer_fn+0x272/0x920
[  294.898533] 3*2048kB 
[  294.900587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.904448] (M) 
[  294.906852]  ? process_timeout+0x40/0x40
[  294.911059] 3*4096kB 
[  294.913029]  ? find_held_lock+0x36/0x1c0
[  294.917062] (M) 
[  294.919470]  ? __run_timers+0x7da/0xc70
[  294.923505] = 25212kB
[  294.925475]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.929424] Node 0 
[  294.931822]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.936293] Normal: 
[  294.938521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.942989] 887*4kB 
[  294.945307]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  294.949514] (UME) 
[  294.951857]  ? trace_hardirqs_on+0xbd/0x310
[  294.956408] 378*8kB (UMEH) 
[  294.958560]  ? kasan_check_read+0x11/0x20
[  294.962861] 172*16kB 
[  294.965802]  ? __run_timers+0x7da/0xc70
[  294.969921] (UMEH) 
[  294.972325]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.976277] 106*32kB 
[  294.978510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.983941] (UMEH) 
[  294.986349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.990556] 16*64kB 
[  294.992789]  __run_timers+0x7e5/0xc70
[  294.996999] (UMH) 
[  294.999324]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  295.003092] 0*128kB 
[  295.005247]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  295.010582] 1*256kB 
[  295.012901]  ? graph_lock+0x170/0x170
[  295.017891] (H) 
[  295.020209]  ? enqueue_hrtimer+0x1a5/0x560
[  295.023985] 0*512kB 
[  295.025952]  ? lock_release+0x970/0x970
[  295.030162] 0*1024kB 
[  295.032477]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  295.036425] 0*2048kB 
[  295.038832]  ? find_held_lock+0x36/0x1c0
[  295.043996] 0*4096kB 
[  295.046399]  ? graph_lock+0x170/0x170
[  295.050434] = 13996kB
[  295.052838]  ? pvclock_read_flags+0x160/0x160
[  295.056671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  295.059087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.063576] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  295.072401]  ? check_preemption_disabled+0x48/0x200
[  295.077917] 4508 total pagecache pages
[  295.086490]  ? __lock_is_held+0xb5/0x140
[  295.091478] 0 pages in swap cache
[  295.095353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.099390] Swap cache stats: add 0, delete 0, find 0/0
[  295.102831]  ? check_preemption_disabled+0x48/0x200
[  295.108345] Free swap  = 0kB
[  295.113705]  run_timer_softirq+0x52/0xb0
[  295.118692] Total swap = 0kB
[  295.121735]  ? rcu_read_lock_sched_held+0x108/0x120
[  295.125765] 1965979 pages RAM
[  295.128810]  __do_softirq+0x30b/0xad8
[  295.133826] 0 pages HighMem/MovableOnly
[  295.136965]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  295.140734] 343323 pages reserved
[  295.144705]  ? pvclock_read_flags+0x160/0x160
[  295.149776] 0 pages cma reserved
[  295.153221]  ? lapic_next_event+0x5a/0x90
[  295.157792] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.161077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.161090]  ? check_preemption_disabled+0x48/0x200
[  295.161122]  ? check_preemption_disabled+0x48/0x200
[  295.165301] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.171743]  ? kvm_clock_read+0x18/0x30
[  295.177278] ksoftirqd/1 cpuset=
[  295.182287]  ? kvm_sched_clock_read+0x9/0x20
[  295.187312] /
[  295.197616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.201572]  mems_allowed=0
[  295.204841]  ? check_preemption_disabled+0x48/0x200
[  295.224376]  irq_exit+0x17f/0x1c0
[  295.227837]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.232677]  ? smp_reschedule_interrupt+0x109/0x650
[  295.237697]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.243581]  ? interrupt_entry+0xb5/0xf0
[  295.247647]  ? trace_hardirqs_off_caller+0xbb/0x300
[  295.252674]  ? trace_hardirqs_off_caller+0xbb/0x300
[  295.257706]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.262551]  ? trace_hardirqs_off+0x300/0x300
[  295.267047]  ? trace_hardirqs_off+0x300/0x300
[  295.271561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.277096]  ? check_preemption_disabled+0x48/0x200
[  295.282144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.287691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.292547]  apic_timer_interrupt+0xf/0x20
[  295.296775]  </IRQ>
[  295.299016] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  295.303948] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  295.322846] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  295.330557] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  295.337822] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  295.345133] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  295.352416] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  295.359697] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  295.367046]  skb_clone+0x1bb/0x500
[  295.370592]  ? finish_task_switch+0x2f5/0x900
[  295.375090]  ? skb_split+0x11e0/0x11e0
[  295.378995]  ? preempt_notifier_register+0x200/0x200
[  295.384109]  ? __switch_to_asm+0x34/0x70
[  295.388176]  ? __switch_to_asm+0x34/0x70
[  295.392240]  ? __switch_to_asm+0x40/0x70
[  295.396303]  ? __switch_to_asm+0x34/0x70
[  295.400379]  ? __switch_to_asm+0x40/0x70
[  295.404442]  ? __switch_to_asm+0x34/0x70
[  295.408500]  ? __switch_to_asm+0x40/0x70
[  295.412563]  ? __switch_to_asm+0x34/0x70
[  295.416627]  ? __switch_to_asm+0x34/0x70
[  295.420689]  ? __switch_to_asm+0x40/0x70
[  295.424777]  ? __switch_to_asm+0x34/0x70
[  295.428860]  bpf_clone_redirect+0xb9/0x490
[  295.433099]  ? __schedule+0x874/0x1ed0
[  295.437038]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  295.442064]  ? __sched_text_start+0x8/0x8
[  295.446217]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  295.450985]  ? find_held_lock+0x36/0x1c0
[  295.455055]  ? lock_acquire+0x1ed/0x520
[  295.459039]  ? bpf_test_run+0x32e/0x5a0
[  295.463017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.468556]  ? check_preemption_disabled+0x48/0x200
[  295.474056]  ? kasan_check_read+0x11/0x20
[  295.478235]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  295.483516]  ? rcu_bh_qs+0xc0/0xc0
[  295.487075]  ? preempt_schedule+0x4d/0x60
[  295.491238]  ? ___preempt_schedule+0x16/0x18
[  295.495658]  ? bpf_test_run+0x1c0/0x5a0
[  295.499647]  ? netlink_diag_dump+0x2a0/0x2a0
[  295.504062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.509599]  ? bpf_test_init.isra.9+0x70/0x100
[  295.514188]  ? bpf_prog_test_run_skb+0x634/0xb40
[  295.518954]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  295.523813]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  295.529367]  ? fput+0x130/0x1a0
[  295.532649]  ? __bpf_prog_get+0x9b/0x290
[  295.536718]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  295.541559]  ? bpf_prog_test_run+0x130/0x1a0
[  295.545977]  ? __x64_sys_bpf+0x3d8/0x510
[  295.550042]  ? bpf_prog_get+0x20/0x20
[  295.553868]  ? do_syscall_64+0x1b9/0x820
[  295.557934]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  295.563305]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.568238]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.573085]  ? trace_hardirqs_off+0x300/0x300
[  295.577611]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  295.582637]  ? prepare_exit_to_usermode+0x291/0x3b0
[  295.587678]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.592529]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  295.597916] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  295.597987] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.605269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.605275] Call Trace:
[  295.605293]  dump_stack+0x1c4/0x2b4
[  295.605310]  ? dump_stack_print_info.cold.2+0x52/0x52
[  295.605336]  warn_alloc.cold.118+0xb7/0x1bd
[  295.611890] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.621156]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.623722] syz-executor4 cpuset=
[  295.627342]  ? lock_downgrade+0x900/0x900
[  295.632505] syz4
[  295.636836]  ? trace_hardirqs_off+0xb8/0x300
[  295.647293]  mems_allowed=0
[  295.652183]  ? trace_hardirqs_off+0xb8/0x300
[  295.673451]  __alloc_pages_slowpath+0x2667/0x2d80
[  295.678332]  ? warn_alloc+0x120/0x120
[  295.682159]  ? warn_alloc+0x120/0x120
[  295.685966]  ? print_usage_bug+0xc0/0xc0
[  295.690031]  ? warn_alloc+0x120/0x120
[  295.693836]  ? print_usage_bug+0xc0/0xc0
[  295.697903]  ? __lock_acquire+0x7ec/0x4ec0
[  295.702143]  ? __lock_acquire+0x7ec/0x4ec0
[  295.706382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.711924]  ? should_fail+0x22d/0xd01
[  295.715817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.720924]  ? __lock_acquire+0x7ec/0x4ec0
[  295.725169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.730270]  ? __lock_acquire+0x7ec/0x4ec0
[  295.734507]  ? should_fail+0x22d/0xd01
[  295.738408]  ? mark_held_locks+0x130/0x130
[  295.742651]  ? mark_held_locks+0x130/0x130
[  295.746886]  ? graph_lock+0x170/0x170
[  295.750688]  ? graph_lock+0x170/0x170
[  295.754495]  ? graph_lock+0x170/0x170
[  295.758305]  ? print_usage_bug+0xc0/0xc0
[  295.762372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.767939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.773485]  ? check_preemption_disabled+0x48/0x200
[  295.778503]  ? check_preemption_disabled+0x48/0x200
[  295.783530]  ? __lock_is_held+0xb5/0x140
[  295.787638]  __alloc_pages_nodemask+0xa80/0xde0
[  295.792313]  ? graph_lock+0x170/0x170
[  295.796127]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  295.801146]  ? graph_lock+0x170/0x170
[  295.804958]  ? find_held_lock+0x36/0x1c0
[  295.809034]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.813714]  ? lock_downgrade+0x900/0x900
[  295.817873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.823422]  cache_grow_begin+0x91/0x8c0
[  295.827485]  ? do_raw_spin_unlock+0xa7/0x2f0
[  295.831955]  fallback_alloc+0x203/0x2e0
[  295.835941]  ____cache_alloc_node+0x1c7/0x1e0
[  295.840445]  kmem_cache_alloc_node+0xe3/0x730
[  295.844942]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.849189]  __alloc_skb+0x119/0x770
[  295.852966]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  295.858252]  ? skb_scrub_packet+0x490/0x490
[  295.862602]  ? lock_downgrade+0x900/0x900
[  295.866779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.872322]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.877778]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.883241]  ? addrconf_rs_timer+0x6f0/0x6f0
[  295.887680]  ndisc_alloc_skb+0x144/0x340
[  295.891768]  ndisc_send_rs+0x331/0x6e0
[  295.895667]  addrconf_rs_timer+0x3c0/0x6f0
[  295.899915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.904168]  call_timer_fn+0x272/0x920
[  295.908057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.912301]  ? process_timeout+0x40/0x40
[  295.916365]  ? find_held_lock+0x36/0x1c0
[  295.920439]  ? __run_timers+0x7da/0xc70
[  295.924421]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.928928]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.933426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.937665]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  295.942251]  ? trace_hardirqs_on+0xbd/0x310
[  295.946572]  ? kasan_check_read+0x11/0x20
[  295.950721]  ? __run_timers+0x7da/0xc70
[  295.954696]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.960159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.964401]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.968643]  __run_timers+0x7e5/0xc70
[  295.972463]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  295.977829]  ? compat_start_thread+0x80/0x80
[  295.982241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.987790]  ? kasan_check_write+0x14/0x20
[  295.992048]  ? finish_task_switch+0x2f5/0x900
[  295.996545]  ? __switch_to_asm+0x40/0x70
[  296.000623]  ? preempt_notifier_register+0x200/0x200
[  296.005730]  ? __switch_to_asm+0x34/0x70
[  296.009793]  ? __switch_to_asm+0x40/0x70
[  296.013851]  ? __switch_to_asm+0x34/0x70
[  296.017911]  ? __switch_to_asm+0x40/0x70
[  296.021975]  ? __switch_to_asm+0x34/0x70
[  296.026039]  ? __switch_to_asm+0x40/0x70
[  296.030129]  ? pvclock_read_flags+0x160/0x160
[  296.034637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.040178]  ? check_preemption_disabled+0x48/0x200
[  296.045210]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  296.050751]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.056050]  ? rcu_pm_notify+0xc0/0xc0
[  296.059941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.065481]  ? check_preemption_disabled+0x48/0x200
[  296.070510]  run_timer_softirq+0x52/0xb0
[  296.074576]  ? rcu_read_lock_sched_held+0x108/0x120
[  296.079597]  __do_softirq+0x30b/0xad8
[  296.083423]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  296.088538]  ? schedule+0x108/0x460
[  296.092175]  ? __schedule+0x1ed0/0x1ed0
[  296.096176]  ? trace_hardirqs_off+0xb8/0x300
[  296.100592]  ? ___might_sleep+0x1ed/0x300
[  296.104746]  ? smpboot_thread_fn+0x68b/0xa00
[  296.109159]  ? trace_hardirqs_on+0x310/0x310
[  296.113568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.119117]  ? check_preemption_disabled+0x48/0x200
[  296.124164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.129707]  ? takeover_tasklets+0xa90/0xa90
[  296.134128]  run_ksoftirqd+0x94/0x100
[  296.137936]  smpboot_thread_fn+0x68b/0xa00
[  296.142182]  ? sort_range+0x30/0x30
[  296.145815]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.150920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.156462]  ? __kthread_parkme+0xfb/0x1a0
[  296.160711]  kthread+0x35a/0x420
[  296.164079]  ? sort_range+0x30/0x30
[  296.167740]  ? kthread_bind+0x40/0x40
[  296.171552]  ret_from_fork+0x3a/0x50
[  296.175282] warn_alloc_show_mem: 1 callbacks suppressed
[  296.175295] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  296.175297] Mem-Info:
[  296.175328] active_anon:44072 inactive_anon:951 isolated_anon:0
[  296.175328]  active_file:15 inactive_file:18 isolated_file:0
[  296.175328]  unevictable:0 dirty:0 writeback:0 unstable:0
[  296.175328]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  296.175328]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  296.175328]  free:13779 free_pcp:230 free_cma:0
[  296.180658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.180666] Call Trace:
[  296.187862] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  296.190262]  <IRQ>
[  296.223212] Node 0 
[  296.232563]  dump_stack+0x1c4/0x2b4
[  296.235150] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  296.262930]  ? dump_stack_print_info.cold.2+0x52/0x52
[  296.265072] lowmem_reserve[]:
[  296.267312]  warn_alloc.cold.118+0xb7/0x1bd
[  296.270900]  0
[  296.296420]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.301585]  2815
[  296.304684]  ? lock_downgrade+0x900/0x900
[  296.308973]  6318 6318
[  296.310785]  ? trace_hardirqs_off+0xb8/0x300
[  296.317674]  ? trace_hardirqs_off+0xb8/0x300
[  296.321796] Node 0 
[  296.324296]  __alloc_pages_slowpath+0x2667/0x2d80
[  296.328697] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  296.333117]  ? warn_alloc+0x120/0x120
[  296.335289] lowmem_reserve[]:
[  296.340138]  ? trace_hardirqs_on+0x310/0x310
[  296.367005]  0
[  296.370802]  ? warn_alloc+0x120/0x120
[  296.373884]  0
[  296.378291]  ? print_usage_bug+0xc0/0xc0
[  296.380080]  3503
[  296.383898]  ? warn_alloc+0x120/0x120
[  296.385674]  3503
[  296.389728]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  296.395609]  ? print_usage_bug+0xc0/0xc0
[  296.397656] Node 0 
[  296.402665]  ? __lock_acquire+0x7ec/0x4ec0
[  296.406726] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  296.408945]  ? __lock_acquire+0x7ec/0x4ec0
[  296.413158] lowmem_reserve[]:
[  296.441524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.445730]  0
[  296.448831]  ? should_fail+0x22d/0xd01
[  296.454360]  0
[  296.456159]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.460018]  0
[  296.461816]  ? __lock_acquire+0x7ec/0x4ec0
[  296.466894]  0
[  296.468696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.474719]  ? __lock_acquire+0x7ec/0x4ec0
[  296.479799] Node 0 
[  296.484021]  ? should_fail+0x22d/0xd01
[  296.484031] DMA: 
[  296.486260]  ? print_usage_bug+0xc0/0xc0
[  296.490128] 1*4kB 
[  296.492189]  ? mark_held_locks+0x130/0x130
[  296.496219] (U) 
[  296.498361]  ? mark_held_locks+0x130/0x130
[  296.502572] 0*8kB 
[  296.504545]  ? graph_lock+0x170/0x170
[  296.508754] 0*16kB 
[  296.510899]  ? print_usage_bug+0xc0/0xc0
[  296.514674] 1*32kB 
[  296.516909]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  296.520941] (U) 
[  296.523173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.527901] 2*64kB 
[  296.529873]  ? check_preemption_disabled+0x48/0x200
[  296.535403] (U) 
[  296.537639]  ? check_preemption_disabled+0x48/0x200
[  296.542636] 1*128kB 
[  296.544612]  ? __lock_is_held+0xb5/0x140
[  296.549602] (U) 
[  296.551923]  __alloc_pages_nodemask+0xa80/0xde0
[  296.555954] 1*256kB 
[  296.557931]  ? graph_lock+0x170/0x170
[  296.562577] (U) 
[  296.564896]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  296.568672] 0*512kB 
[  296.570642]  ? graph_lock+0x170/0x170
[  296.575638] 1*1024kB 
[  296.577974]  ? find_held_lock+0x36/0x1c0
[  296.581743] (U) 
[  296.584155]  ? ____cache_alloc_node+0x1c7/0x1e0
[  296.588186] 1*2048kB 
[  296.590155]  ? lock_downgrade+0x900/0x900
[  296.594797] (M) 
[  296.597210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.601332] 3*4096kB 
[  296.603308]  cache_grow_begin+0x91/0x8c0
[  296.609266] (M) = 15908kB
[  296.611687]  ? do_raw_spin_unlock+0xa7/0x2f0
[  296.615722] Node 0 
[  296.618475]  fallback_alloc+0x203/0x2e0
[  296.622855] DMA32: 
[  296.625089]  ____cache_alloc_node+0x1c7/0x1e0
[  296.629034] 1*4kB 
[  296.631268]  kmem_cache_alloc_node+0xe3/0x730
[  296.635733] (M) 
[  296.637882]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.642467] 3*8kB 
[  296.644442]  __alloc_skb+0x119/0x770
[  296.648645] (UM) 
[  296.650795]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.654478] 0*16kB 
[  296.656566]  ? skb_scrub_packet+0x490/0x490
[  296.661819] 3*32kB 
[  296.664050]  ? lock_downgrade+0x900/0x900
[  296.668344] (UM) 
[  296.670583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.674704] 2*64kB 
[  296.676762]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.682270] (M) 
[  296.684504]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.689926] 5*128kB (UM) 
[  296.691919]  ? addrconf_rs_timer+0x6f0/0x6f0
[  296.697343] 3*256kB 
[  296.700123]  ndisc_alloc_skb+0x144/0x340
[  296.704488] (M) 
[  296.706836]  ndisc_send_rs+0x331/0x6e0
[  296.710883] 4*512kB 
[  296.712863]  addrconf_rs_timer+0x3c0/0x6f0
[  296.716725] (M) 
[  296.719045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.723252] 3*1024kB 
[  296.725231]  call_timer_fn+0x272/0x920
[  296.729428] (UM) 
[  296.731837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.735703] 3*2048kB 
[  296.737757]  ? process_timeout+0x40/0x40
[  296.741967] (M) 
[  296.744369]  ? find_held_lock+0x36/0x1c0
[  296.748404] 3*4096kB 
[  296.750387]  ? __run_timers+0x7da/0xc70
[  296.754419] (M) 
[  296.756824]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.760771] = 25212kB
[  296.762738]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.767209] Node 0 
[  296.769624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.774095] Normal: 
[  296.776336]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  296.780552] 887*4kB 
[  296.782917]  ? trace_hardirqs_on+0xbd/0x310
[  296.787473] (UME) 
[  296.789788]  ? kasan_check_read+0x11/0x20
[  296.794083] 378*8kB 
[  296.796236]  ? __run_timers+0x7da/0xc70
[  296.800357] (UMEH) 
[  296.802677]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.806624] 172*16kB (UMEH) 
[  296.808866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.814292] 106*32kB 
[  296.817305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.821510] (UMEH) 
[  296.823916]  __run_timers+0x7e5/0xc70
[  296.828136] 16*64kB 
[  296.830378]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  296.834141] (UMH) 
[  296.836461]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  296.841833] 0*128kB 
[  296.843990]  ? graph_lock+0x170/0x170
[  296.848980] 1*256kB 
[  296.851296]  ? enqueue_hrtimer+0x1a5/0x560
[  296.855071] (H) 
[  296.857387]  ? lock_release+0x970/0x970
[  296.861639] 0*512kB 
[  296.863629]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  296.867581] 0*1024kB 
[  296.869916]  ? find_held_lock+0x36/0x1c0
[  296.875078] 0*2048kB 
[  296.877505]  ? graph_lock+0x170/0x170
[  296.881539] 0*4096kB 
[  296.883939]  ? pvclock_read_flags+0x160/0x160
[  296.887717] = 13996kB
[  296.890130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.894608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  296.897007]  ? check_preemption_disabled+0x48/0x200
[  296.902523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  296.911354]  ? __lock_is_held+0xb5/0x140
[  296.916337] 4508 total pagecache pages
[  296.924917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.928982] 0 pages in swap cache
[  296.932859]  ? check_preemption_disabled+0x48/0x200
[  296.938374] Swap cache stats: add 0, delete 0, find 0/0
[  296.941819]  run_timer_softirq+0x52/0xb0
[  296.946823] Free swap  = 0kB
[  296.952179]  ? rcu_read_lock_sched_held+0x108/0x120
[  296.956218] Total swap = 0kB
[  296.959233]  __do_softirq+0x30b/0xad8
[  296.964223] 1965979 pages RAM
[  296.967245]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  296.971018] 0 pages HighMem/MovableOnly
[  296.974133]  ? pvclock_read_flags+0x160/0x160
[  296.979204] 343323 pages reserved
[  296.983170]  ? lapic_next_event+0x5a/0x90
[  296.987639] 0 pages cma reserved
[  296.991111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.995322] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  296.998589]  ? check_preemption_disabled+0x48/0x200
[  297.004203] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.010608]  ? check_preemption_disabled+0x48/0x200
[  297.015605] ksoftirqd/1 cpuset=
[  297.025910]  ? kvm_clock_read+0x18/0x30
[  297.030895] /
[  297.034167]  ? kvm_sched_clock_read+0x9/0x20
[  297.038120]  mems_allowed=0
[  297.047156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.052693]  ? check_preemption_disabled+0x48/0x200
[  297.057726]  irq_exit+0x17f/0x1c0
[  297.061188]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.066031]  ? smp_reschedule_interrupt+0x109/0x650
[  297.071052]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.076944]  ? interrupt_entry+0xb5/0xf0
[  297.081012]  ? trace_hardirqs_off_caller+0xbb/0x300
[  297.086030]  ? trace_hardirqs_off_caller+0xbb/0x300
[  297.091048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.095892]  ? trace_hardirqs_off+0x300/0x300
[  297.100392]  ? trace_hardirqs_off+0x300/0x300
[  297.104890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.110446]  ? check_preemption_disabled+0x48/0x200
[  297.115466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.121013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.125869]  apic_timer_interrupt+0xf/0x20
[  297.130098]  </IRQ>
[  297.132354] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  297.137283] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  297.156184] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  297.163898] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  297.171175] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  297.178444] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  297.185708] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  297.192974] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  297.200291]  skb_clone+0x1bb/0x500
[  297.203837]  ? finish_task_switch+0x2f5/0x900
[  297.208338]  ? skb_split+0x11e0/0x11e0
[  297.212231]  ? preempt_notifier_register+0x200/0x200
[  297.217338]  ? __switch_to_asm+0x34/0x70
[  297.221402]  ? __switch_to_asm+0x34/0x70
[  297.225479]  ? __switch_to_asm+0x40/0x70
[  297.229539]  ? __switch_to_asm+0x34/0x70
[  297.233601]  ? __switch_to_asm+0x40/0x70
[  297.237662]  ? __switch_to_asm+0x34/0x70
[  297.241723]  ? __switch_to_asm+0x40/0x70
[  297.245792]  ? __switch_to_asm+0x34/0x70
[  297.249853]  ? __switch_to_asm+0x34/0x70
[  297.253913]  ? __switch_to_asm+0x40/0x70
[  297.257975]  ? __switch_to_asm+0x34/0x70
[  297.262050]  bpf_clone_redirect+0xb9/0x490
[  297.266291]  ? __schedule+0x874/0x1ed0
[  297.270187]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  297.275212]  ? __sched_text_start+0x8/0x8
[  297.279365]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.284148]  ? find_held_lock+0x36/0x1c0
[  297.288219]  ? lock_acquire+0x1ed/0x520
[  297.292195]  ? bpf_test_run+0x32e/0x5a0
[  297.296176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.301713]  ? check_preemption_disabled+0x48/0x200
[  297.306734]  ? kasan_check_read+0x11/0x20
[  297.310889]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  297.316169]  ? rcu_bh_qs+0xc0/0xc0
[  297.319715]  ? preempt_schedule+0x4d/0x60
[  297.323868]  ? ___preempt_schedule+0x16/0x18
[  297.328285]  ? bpf_test_run+0x1c0/0x5a0
[  297.332270]  ? netlink_diag_dump+0x2a0/0x2a0
[  297.336687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.342227]  ? bpf_test_init.isra.9+0x70/0x100
[  297.346817]  ? bpf_prog_test_run_skb+0x634/0xb40
[  297.351579]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  297.356424]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  297.361959]  ? fput+0x130/0x1a0
[  297.365244]  ? __bpf_prog_get+0x9b/0x290
[  297.369317]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  297.374159]  ? bpf_prog_test_run+0x130/0x1a0
[  297.378571]  ? __x64_sys_bpf+0x3d8/0x510
[  297.382633]  ? bpf_prog_get+0x20/0x20
[  297.386458]  ? do_syscall_64+0x1b9/0x820
[  297.390526]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  297.395898]  ? syscall_return_slowpath+0x5e0/0x5e0
[  297.400829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.405677]  ? trace_hardirqs_off+0x300/0x300
[  297.410177]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  297.415195]  ? prepare_exit_to_usermode+0x291/0x3b0
[  297.420220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.425075]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  297.430472] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  297.430542] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.437308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.437317] Call Trace:
[  297.443884] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.453146]  dump_stack+0x1c4/0x2b4
[  297.455726] syz-executor4 cpuset=
[  297.466203]  ? dump_stack_print_info.cold.2+0x52/0x52
[  297.469807] syz4
[  297.473534]  warn_alloc.cold.118+0xb7/0x1bd
[  297.478707]  mems_allowed=0
[  297.480710]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.492782]  ? lock_downgrade+0x900/0x900
[  297.496941]  ? trace_hardirqs_off+0xb8/0x300
[  297.501356]  ? trace_hardirqs_off+0xb8/0x300
[  297.505774]  __alloc_pages_slowpath+0x2667/0x2d80
[  297.510654]  ? warn_alloc+0x120/0x120
[  297.514481]  ? warn_alloc+0x120/0x120
[  297.518284]  ? print_usage_bug+0xc0/0xc0
[  297.522354]  ? warn_alloc+0x120/0x120
[  297.526162]  ? print_usage_bug+0xc0/0xc0
[  297.530227]  ? __lock_acquire+0x7ec/0x4ec0
[  297.534465]  ? __lock_acquire+0x7ec/0x4ec0
[  297.538708]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.544288]  ? should_fail+0x22d/0xd01
[  297.548184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.553295]  ? __lock_acquire+0x7ec/0x4ec0
[  297.557555]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.562658]  ? __lock_acquire+0x7ec/0x4ec0
[  297.566894]  ? should_fail+0x22d/0xd01
[  297.570792]  ? print_usage_bug+0xc0/0xc0
[  297.574868]  ? mark_held_locks+0x130/0x130
[  297.579117]  ? mark_held_locks+0x130/0x130
[  297.583363]  ? graph_lock+0x170/0x170
[  297.587165]  ? print_usage_bug+0xc0/0xc0
[  297.591229]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.595980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.601509]  ? check_preemption_disabled+0x48/0x200
[  297.606528]  ? check_preemption_disabled+0x48/0x200
[  297.611560]  ? __lock_is_held+0xb5/0x140
[  297.615639]  __alloc_pages_nodemask+0xa80/0xde0
[  297.620313]  ? graph_lock+0x170/0x170
[  297.624130]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  297.629152]  ? graph_lock+0x170/0x170
[  297.632982]  ? find_held_lock+0x36/0x1c0
[  297.637054]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.641724]  ? lock_downgrade+0x900/0x900
[  297.645891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.651463]  cache_grow_begin+0x91/0x8c0
[  297.655531]  ? do_raw_spin_unlock+0xa7/0x2f0
[  297.659950]  fallback_alloc+0x203/0x2e0
[  297.663933]  ____cache_alloc_node+0x1c7/0x1e0
[  297.668453]  kmem_cache_alloc_node+0xe3/0x730
[  297.672955]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.677204]  __alloc_skb+0x119/0x770
[  297.680922]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  297.686211]  ? skb_scrub_packet+0x490/0x490
[  297.690534]  ? lock_downgrade+0x900/0x900
[  297.694696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.700239]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.705696]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.711153]  ? addrconf_rs_timer+0x6f0/0x6f0
[  297.715576]  ndisc_alloc_skb+0x144/0x340
[  297.719651]  ndisc_send_rs+0x331/0x6e0
[  297.723550]  addrconf_rs_timer+0x3c0/0x6f0
[  297.727791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.732048]  call_timer_fn+0x272/0x920
[  297.735935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.740174]  ? process_timeout+0x40/0x40
[  297.744256]  ? find_held_lock+0x36/0x1c0
[  297.748328]  ? __run_timers+0x7da/0xc70
[  297.752307]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.756802]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.761300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.765540]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  297.770156]  ? trace_hardirqs_on+0xbd/0x310
[  297.774481]  ? kasan_check_read+0x11/0x20
[  297.778666]  ? __run_timers+0x7da/0xc70
[  297.782650]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  297.788116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.792368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.796606]  __run_timers+0x7e5/0xc70
[  297.800432]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  297.805797]  ? compat_start_thread+0x80/0x80
[  297.810220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.815764]  ? kasan_check_write+0x14/0x20
[  297.820004]  ? finish_task_switch+0x2f5/0x900
[  297.824499]  ? __switch_to_asm+0x40/0x70
[  297.828570]  ? preempt_notifier_register+0x200/0x200
[  297.833697]  ? __switch_to_asm+0x34/0x70
[  297.837772]  ? __switch_to_asm+0x40/0x70
[  297.841831]  ? __switch_to_asm+0x34/0x70
[  297.845894]  ? __switch_to_asm+0x40/0x70
[  297.849956]  ? __switch_to_asm+0x34/0x70
[  297.854021]  ? __switch_to_asm+0x40/0x70
[  297.858111]  ? pvclock_read_flags+0x160/0x160
[  297.862619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.868160]  ? check_preemption_disabled+0x48/0x200
[  297.873186]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  297.878724]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  297.884007]  ? rcu_pm_notify+0xc0/0xc0
[  297.887907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.893453]  ? check_preemption_disabled+0x48/0x200
[  297.898484]  run_timer_softirq+0x52/0xb0
[  297.902548]  ? rcu_read_lock_sched_held+0x108/0x120
[  297.907574]  __do_softirq+0x30b/0xad8
[  297.911388]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  297.916503]  ? schedule+0x108/0x460
[  297.920147]  ? __schedule+0x1ed0/0x1ed0
[  297.924159]  ? trace_hardirqs_off+0xb8/0x300
[  297.928570]  ? ___might_sleep+0x1ed/0x300
[  297.932717]  ? smpboot_thread_fn+0x68b/0xa00
[  297.937142]  ? trace_hardirqs_on+0x310/0x310
[  297.941553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.947112]  ? check_preemption_disabled+0x48/0x200
[  297.952142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.957683]  ? takeover_tasklets+0xa90/0xa90
[  297.962101]  run_ksoftirqd+0x94/0x100
[  297.965918]  smpboot_thread_fn+0x68b/0xa00
[  297.970162]  ? sort_range+0x30/0x30
[  297.973792]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.978911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.984472]  ? __kthread_parkme+0xfb/0x1a0
[  297.988719]  kthread+0x35a/0x420
[  297.992101]  ? sort_range+0x30/0x30
[  297.995748]  ? kthread_bind+0x40/0x40
[  297.999559]  ret_from_fork+0x3a/0x50
[  298.003292] warn_alloc_show_mem: 1 callbacks suppressed
[  298.003305] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  298.003307] Mem-Info:
[  298.003339] active_anon:44072 inactive_anon:951 isolated_anon:0
[  298.003339]  active_file:15 inactive_file:18 isolated_file:0
[  298.003339]  unevictable:0 dirty:0 writeback:0 unstable:0
[  298.003339]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  298.003339]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  298.003339]  free:13779 free_pcp:230 free_cma:0
[  298.008678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.015876] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  298.018292] Call Trace:
[  298.051248] Node 0 
[  298.060591]  <IRQ>
[  298.088366] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  298.090930]  dump_stack+0x1c4/0x2b4
[  298.093139] lowmem_reserve[]:
[  298.095286]  ? dump_stack_print_info.cold.2+0x52/0x52
[  298.120768]  0
[  298.124412]  warn_alloc.cold.118+0xb7/0x1bd
[  298.127480]  2815
[  298.132691]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.134466]  6318
[  298.138780]  ? lock_downgrade+0x900/0x900
[  298.140815]  6318
[  298.145653]  ? trace_hardirqs_off+0xb8/0x300
[  298.151841]  ? trace_hardirqs_off+0xb8/0x300
[  298.153877] Node 0 
[  298.158285]  __alloc_pages_slowpath+0x2667/0x2d80
[  298.162691] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  298.164936]  ? warn_alloc+0x120/0x120
[  298.169727] lowmem_reserve[]:
[  298.196615]  ? trace_hardirqs_on+0x310/0x310
[  298.200397]  0
[  298.203494]  ? warn_alloc+0x120/0x120
[  298.207871]  0 3503
[  298.209677]  ? print_usage_bug+0xc0/0xc0
[  298.213453]  3503
[  298.215685]  ? warn_alloc+0x120/0x120
[  298.221799]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  298.225572] Node 0 
[  298.230580]  ? print_usage_bug+0xc0/0xc0
[  298.230612] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  298.232852]  ? __lock_acquire+0x7ec/0x4ec0
[  298.236901] lowmem_reserve[]:
[  298.265265]  ? __lock_acquire+0x7ec/0x4ec0
[  298.269477]  0
[  298.272577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.276784]  0
[  298.278583]  ? should_fail+0x22d/0xd01
[  298.284095]  0
[  298.285905]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.289769]  0
[  298.291566]  ? __lock_acquire+0x7ec/0x4ec0
[  298.298484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.302694] Node 0 
[  298.307782]  ? __lock_acquire+0x7ec/0x4ec0
[  298.307792] DMA: 
[  298.310019]  ? should_fail+0x22d/0xd01
[  298.314233] 1*4kB 
[  298.316287]  ? print_usage_bug+0xc0/0xc0
[  298.320149] (U) 
[  298.322299]  ? mark_held_locks+0x130/0x130
[  298.326331] 0*8kB 
[  298.328300]  ? mark_held_locks+0x130/0x130
[  298.332510] 0*16kB 
[  298.334658]  ? graph_lock+0x170/0x170
[  298.338864] 1*32kB 
[  298.341095]  ? print_usage_bug+0xc0/0xc0
[  298.344877] (U) 
[  298.347194]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  298.351233] 2*64kB 
[  298.353246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.357974] (U) 
[  298.360218]  ? check_preemption_disabled+0x48/0x200
[  298.365732] 1*128kB 
[  298.367700]  ? check_preemption_disabled+0x48/0x200
[  298.372694] (U) 
[  298.375019]  ? __lock_is_held+0xb5/0x140
[  298.380004] 1*256kB 
[  298.381981]  __alloc_pages_nodemask+0xa80/0xde0
[  298.386018] (U) 
[  298.388336]  ? graph_lock+0x170/0x170
[  298.393009] 0*512kB 
[  298.394984]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  298.398764] 1*1024kB 
[  298.401082]  ? graph_lock+0x170/0x170
[  298.406072] (U) 
[  298.408492]  ? find_held_lock+0x36/0x1c0
[  298.412261] 1*2048kB 
[  298.414236]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.418262] (M) 
[  298.420666]  ? lock_downgrade+0x900/0x900
[  298.425309] 3*4096kB 
[  298.427286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.431403] (M) 
[  298.433810]  cache_grow_begin+0x91/0x8c0
[  298.439312] = 15908kB
[  298.439320] Node 0 
[  298.441293]  ? do_raw_spin_unlock+0xa7/0x2f0
[  298.445333] DMA32: 
[  298.447743]  fallback_alloc+0x203/0x2e0
[  298.449952] 1*4kB 
[  298.454357]  ____cache_alloc_node+0x1c7/0x1e0
[  298.456565] (M) 
[  298.460552]  kmem_cache_alloc_node+0xe3/0x730
[  298.462674] 3*8kB 
[  298.467164]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.469125] (UM) 
[  298.474141]  __alloc_skb+0x119/0x770
[  298.476261] 0*16kB 
[  298.480492]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.482527] 3*32kB 
[  298.486243]  ? skb_scrub_packet+0x490/0x490
[  298.488456] (UM) 
[  298.493728]  ? lock_downgrade+0x900/0x900
[  298.495946] 2*64kB 
[  298.500267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.502300] (M) 
[  298.506444]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.508660] 5*128kB 
[  298.514192]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.516145] (UM) 
[  298.521590]  ? addrconf_rs_timer+0x6f0/0x6f0
[  298.523888] 3*256kB 
[  298.529350]  ndisc_alloc_skb+0x144/0x340
[  298.531380] (M) 
[  298.535784]  ndisc_send_rs+0x331/0x6e0
[  298.538083] 4*512kB 
[  298.542153]  addrconf_rs_timer+0x3c0/0x6f0
[  298.544101] (M) 
[  298.547995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.550294] 3*1024kB 
[  298.554532]  call_timer_fn+0x272/0x920
[  298.556473] (UM) 
[  298.560702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.563089] 3*2048kB 
[  298.566981]  ? process_timeout+0x40/0x40
[  298.569021] (M) 
[  298.573263]  ? find_held_lock+0x36/0x1c0
[  298.575653] 3*4096kB 
[  298.579713]  ? __run_timers+0x7da/0xc70
[  298.581663] (M) 
[  298.585721]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.588115] = 25212kB
[  298.592095]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.594055] Node 0 
[  298.598545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.600943] Normal: 
[  298.605692]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  298.607910] 887*4kB 
[  298.612152]  ? trace_hardirqs_on+0xbd/0x310
[  298.614449] (UME) 
[  298.619024]  ? kasan_check_read+0x11/0x20
[  298.621324] 378*8kB 
[  298.625639]  ? __run_timers+0x7da/0xc70
[  298.627764] (UMEH) 
[  298.631917]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.634217] 172*16kB 
[  298.638186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.640397] (UMEH) 
[  298.645843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.648228] 106*32kB 
[  298.652460]  __run_timers+0x7e5/0xc70
[  298.654669] (UMEH) 
[  298.658908]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  298.661284] 16*64kB 
[  298.665079]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.667294] (UMH) 
[  298.672649]  ? graph_lock+0x170/0x170
[  298.674951] 0*128kB 
[  298.679974]  ? enqueue_hrtimer+0x1a5/0x560
[  298.682112] 1*256kB 
[  298.685906]  ? lock_release+0x970/0x970
[  298.688204] (H) 
[  298.692434]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.694739] 0*512kB 
[  298.698708]  ? find_held_lock+0x36/0x1c0
[  298.700658] 0*1024kB 
[  298.705857]  ? graph_lock+0x170/0x170
[  298.708158] 0*2048kB 
[  298.712212]  ? pvclock_read_flags+0x160/0x160
[  298.714598] 0*4096kB 
[  298.718390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.720779] = 13996kB
[  298.725268]  ? check_preemption_disabled+0x48/0x200
[  298.727662] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  298.733191]  ? __lock_is_held+0xb5/0x140
[  298.735579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  298.740587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.749399] 4508 total pagecache pages
[  298.753451]  ? check_preemption_disabled+0x48/0x200
[  298.762008] 0 pages in swap cache
[  298.767539]  run_timer_softirq+0x52/0xb0
[  298.771403] Swap cache stats: add 0, delete 0, find 0/0
[  298.776409]  ? rcu_read_lock_sched_held+0x108/0x120
[  298.779837] Free swap  = 0kB
[  298.783922]  __do_softirq+0x30b/0xad8
[  298.789257] Total swap = 0kB
[  298.794274]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  298.797259] 1965979 pages RAM
[  298.801050]  ? pvclock_read_flags+0x160/0x160
[  298.804047] 0 pages HighMem/MovableOnly
[  298.809145]  ? lapic_next_event+0x5a/0x90
[  298.812227] 343323 pages reserved
[  298.816716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.820662] 0 pages cma reserved
[  298.824803]  ? check_preemption_disabled+0x48/0x200
[  298.828317] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.833765]  ? check_preemption_disabled+0x48/0x200
[  298.833786]  ? kvm_clock_read+0x18/0x30
[  298.833802]  ? kvm_sched_clock_read+0x9/0x20
[  298.837203] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.842155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.848630] ksoftirqd/1 cpuset=
[  298.853639]  ? check_preemption_disabled+0x48/0x200
[  298.857622] /
[  298.862033]  irq_exit+0x17f/0x1c0
[  298.872314]  mems_allowed=0
[  298.877875]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.899022]  ? smp_reschedule_interrupt+0x109/0x650
[  298.904041]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.909930]  ? interrupt_entry+0xb5/0xf0
[  298.913994]  ? trace_hardirqs_off_caller+0xbb/0x300
[  298.919013]  ? trace_hardirqs_off_caller+0xbb/0x300
[  298.924035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.928881]  ? trace_hardirqs_off+0x300/0x300
[  298.933377]  ? trace_hardirqs_off+0x300/0x300
[  298.937902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.943440]  ? check_preemption_disabled+0x48/0x200
[  298.948455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.954003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.958857]  apic_timer_interrupt+0xf/0x20
[  298.963086]  </IRQ>
[  298.965341] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  298.970271] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  298.989173] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  298.996885] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  299.004151] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  299.011420] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  299.018688] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  299.025957] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  299.033266]  skb_clone+0x1bb/0x500
[  299.036809]  ? finish_task_switch+0x2f5/0x900
[  299.041321]  ? skb_split+0x11e0/0x11e0
[  299.045211]  ? preempt_notifier_register+0x200/0x200
[  299.050314]  ? __switch_to_asm+0x34/0x70
[  299.054374]  ? __switch_to_asm+0x34/0x70
[  299.058437]  ? __switch_to_asm+0x40/0x70
[  299.062498]  ? __switch_to_asm+0x34/0x70
[  299.066557]  ? __switch_to_asm+0x40/0x70
[  299.070619]  ? __switch_to_asm+0x34/0x70
[  299.074681]  ? __switch_to_asm+0x40/0x70
[  299.078741]  ? __switch_to_asm+0x34/0x70
[  299.082820]  ? __switch_to_asm+0x34/0x70
[  299.086883]  ? __switch_to_asm+0x40/0x70
[  299.090943]  ? __switch_to_asm+0x34/0x70
[  299.095010]  bpf_clone_redirect+0xb9/0x490
[  299.099248]  ? __schedule+0x874/0x1ed0
[  299.103155]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  299.108187]  ? __sched_text_start+0x8/0x8
[  299.112338]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.117119]  ? find_held_lock+0x36/0x1c0
[  299.121193]  ? lock_acquire+0x1ed/0x520
[  299.125171]  ? bpf_test_run+0x32e/0x5a0
[  299.129154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.134693]  ? check_preemption_disabled+0x48/0x200
[  299.139726]  ? kasan_check_read+0x11/0x20
[  299.143881]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.149165]  ? rcu_bh_qs+0xc0/0xc0
[  299.152713]  ? preempt_schedule+0x4d/0x60
[  299.156864]  ? ___preempt_schedule+0x16/0x18
[  299.161284]  ? bpf_test_run+0x1c0/0x5a0
[  299.165269]  ? netlink_diag_dump+0x2a0/0x2a0
[  299.169680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.175227]  ? bpf_test_init.isra.9+0x70/0x100
[  299.179814]  ? bpf_prog_test_run_skb+0x634/0xb40
[  299.184594]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  299.189452]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  299.194996]  ? fput+0x130/0x1a0
[  299.198278]  ? __bpf_prog_get+0x9b/0x290
[  299.202347]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  299.207192]  ? bpf_prog_test_run+0x130/0x1a0
[  299.211643]  ? __x64_sys_bpf+0x3d8/0x510
[  299.215704]  ? bpf_prog_get+0x20/0x20
[  299.219528]  ? do_syscall_64+0x1b9/0x820
[  299.223600]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  299.228986]  ? syscall_return_slowpath+0x5e0/0x5e0
[  299.233930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.238778]  ? trace_hardirqs_off+0x300/0x300
[  299.243280]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  299.248299]  ? prepare_exit_to_usermode+0x291/0x3b0
[  299.253327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.258183]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  299.263565] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  299.263636] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  299.270405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.270410] Call Trace:
[  299.270428]  dump_stack+0x1c4/0x2b4
[  299.270445]  ? dump_stack_print_info.cold.2+0x52/0x52
[  299.270471]  warn_alloc.cold.118+0xb7/0x1bd
[  299.276991] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  299.286283]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.288871] syz-executor4 cpuset=
[  299.292522]  ? lock_downgrade+0x900/0x900
[  299.297685] syz4
[  299.302117]  ? trace_hardirqs_off+0xb8/0x300
[  299.312581]  mems_allowed=0
[  299.334274]  ? trace_hardirqs_off+0xb8/0x300
[  299.338697]  __alloc_pages_slowpath+0x2667/0x2d80
[  299.343573]  ? warn_alloc+0x120/0x120
[  299.347384]  ? warn_alloc+0x120/0x120
[  299.351193]  ? print_usage_bug+0xc0/0xc0
[  299.355274]  ? warn_alloc+0x120/0x120
[  299.359074]  ? print_usage_bug+0xc0/0xc0
[  299.363148]  ? __lock_acquire+0x7ec/0x4ec0
[  299.367385]  ? __lock_acquire+0x7ec/0x4ec0
[  299.371631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.377181]  ? should_fail+0x22d/0xd01
[  299.381081]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.386209]  ? __lock_acquire+0x7ec/0x4ec0
[  299.390456]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.395570]  ? __lock_acquire+0x7ec/0x4ec0
[  299.399828]  ? should_fail+0x22d/0xd01
[  299.403737]  ? mark_held_locks+0x130/0x130
[  299.407989]  ? mark_held_locks+0x130/0x130
[  299.412228]  ? graph_lock+0x170/0x170
[  299.416044]  ? graph_lock+0x170/0x170
[  299.419879]  ? graph_lock+0x170/0x170
[  299.423710]  ? print_usage_bug+0xc0/0xc0
[  299.427785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.433327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.438877]  ? check_preemption_disabled+0x48/0x200
[  299.443893]  ? check_preemption_disabled+0x48/0x200
[  299.448966]  ? __lock_is_held+0xb5/0x140
[  299.453039]  __alloc_pages_nodemask+0xa80/0xde0
[  299.457707]  ? graph_lock+0x170/0x170
[  299.461517]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  299.466532]  ? graph_lock+0x170/0x170
[  299.470345]  ? find_held_lock+0x36/0x1c0
[  299.474675]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.479350]  ? lock_downgrade+0x900/0x900
[  299.483506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.489056]  cache_grow_begin+0x91/0x8c0
[  299.493151]  ? do_raw_spin_unlock+0xa7/0x2f0
[  299.497574]  fallback_alloc+0x203/0x2e0
[  299.501562]  ____cache_alloc_node+0x1c7/0x1e0
[  299.506072]  kmem_cache_alloc_node+0xe3/0x730
[  299.510577]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.514822]  __alloc_skb+0x119/0x770
[  299.518544]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.523830]  ? skb_scrub_packet+0x490/0x490
[  299.528165]  ? lock_downgrade+0x900/0x900
[  299.532324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.537863]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.543321]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.548779]  ? addrconf_rs_timer+0x6f0/0x6f0
[  299.553220]  ndisc_alloc_skb+0x144/0x340
[  299.557291]  ndisc_send_rs+0x331/0x6e0
[  299.561185]  addrconf_rs_timer+0x3c0/0x6f0
[  299.565427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.569678]  call_timer_fn+0x272/0x920
[  299.573575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.577862]  ? process_timeout+0x40/0x40
[  299.581953]  ? find_held_lock+0x36/0x1c0
[  299.586025]  ? __run_timers+0x7da/0xc70
[  299.590017]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.594514]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.599500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.603738]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  299.608325]  ? trace_hardirqs_on+0xbd/0x310
[  299.612648]  ? kasan_check_read+0x11/0x20
[  299.616802]  ? __run_timers+0x7da/0xc70
[  299.620782]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.626239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.630485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.634722]  __run_timers+0x7e5/0xc70
[  299.638543]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  299.643908]  ? compat_start_thread+0x80/0x80
[  299.648321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.653952]  ? kasan_check_write+0x14/0x20
[  299.658196]  ? finish_task_switch+0x2f5/0x900
[  299.662689]  ? __switch_to_asm+0x40/0x70
[  299.666756]  ? preempt_notifier_register+0x200/0x200
[  299.671891]  ? __switch_to_asm+0x34/0x70
[  299.675949]  ? __switch_to_asm+0x40/0x70
[  299.680038]  ? __switch_to_asm+0x34/0x70
[  299.684097]  ? __switch_to_asm+0x40/0x70
[  299.688183]  ? __switch_to_asm+0x34/0x70
[  299.692259]  ? __switch_to_asm+0x40/0x70
[  299.696331]  ? pvclock_read_flags+0x160/0x160
[  299.700832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.706369]  ? check_preemption_disabled+0x48/0x200
[  299.711400]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  299.716936]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.722217]  ? rcu_pm_notify+0xc0/0xc0
[  299.726116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.731660]  ? check_preemption_disabled+0x48/0x200
[  299.736687]  run_timer_softirq+0x52/0xb0
[  299.740749]  ? rcu_read_lock_sched_held+0x108/0x120
[  299.745768]  __do_softirq+0x30b/0xad8
[  299.749583]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  299.754718]  ? schedule+0x108/0x460
[  299.758354]  ? __schedule+0x1ed0/0x1ed0
[  299.762343]  ? trace_hardirqs_off+0xb8/0x300
[  299.766758]  ? ___might_sleep+0x1ed/0x300
[  299.770907]  ? smpboot_thread_fn+0x68b/0xa00
[  299.775320]  ? trace_hardirqs_on+0x310/0x310
[  299.779732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.785272]  ? check_preemption_disabled+0x48/0x200
[  299.790288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.795827]  ? takeover_tasklets+0xa90/0xa90
[  299.800244]  run_ksoftirqd+0x94/0x100
[  299.804045]  smpboot_thread_fn+0x68b/0xa00
[  299.808287]  ? sort_range+0x30/0x30
[  299.811927]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.817031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.822575]  ? __kthread_parkme+0xfb/0x1a0
[  299.826820]  kthread+0x35a/0x420
[  299.830191]  ? sort_range+0x30/0x30
[  299.833821]  ? kthread_bind+0x40/0x40
[  299.837636]  ret_from_fork+0x3a/0x50
[  299.841366] warn_alloc_show_mem: 1 callbacks suppressed
[  299.841379] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  299.841380] Mem-Info:
[  299.841411] active_anon:44072 inactive_anon:951 isolated_anon:0
[  299.841411]  active_file:15 inactive_file:18 isolated_file:0
[  299.841411]  unevictable:0 dirty:0 writeback:0 unstable:0
[  299.841411]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  299.841411]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  299.841411]  free:13779 free_pcp:230 free_cma:0
[  299.846754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.853943] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  299.856345] Call Trace:
[  299.889314] Node 0 
[  299.898669]  <IRQ>
[  299.926448] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  299.929027]  dump_stack+0x1c4/0x2b4
[  299.931235] lowmem_reserve[]:
[  299.933378]  ? dump_stack_print_info.cold.2+0x52/0x52
[  299.958877]  0
[  299.962515]  warn_alloc.cold.118+0xb7/0x1bd
[  299.965577]  2815
[  299.970759]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.972536]  6318
[  299.976864]  ? lock_downgrade+0x900/0x900
[  299.978906]  6318
[  299.983745]  ? trace_hardirqs_off+0xb8/0x300
[  299.989919]  ? trace_hardirqs_off+0xb8/0x300
[  299.991969] Node 0 
[  299.996376]  __alloc_pages_slowpath+0x2667/0x2d80
[  300.000799] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  300.003034]  ? warn_alloc+0x120/0x120
[  300.007823] lowmem_reserve[]:
[  300.034731]  ? warn_alloc+0x120/0x120
[  300.038504]  0
[  300.041604]  ? print_usage_bug+0xc0/0xc0
[  300.045380]  0
[  300.047176]  ? warn_alloc+0x120/0x120
[  300.051214]  3503
[  300.053020]  ? print_usage_bug+0xc0/0xc0
[  300.056791]  3503
[  300.058845]  ? __lock_acquire+0x7ec/0x4ec0
[  300.064933]  ? __lock_acquire+0x7ec/0x4ec0
[  300.069142] Node 0 
[  300.073367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.073399] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  300.073407] lowmem_reserve[]:
[  300.075642]  ? should_fail+0x22d/0xd01
[  300.081154]  0
[  300.109517]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.112594]  0
[  300.116473]  ? __lock_acquire+0x7ec/0x4ec0
[  300.118255]  0
[  300.123350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.125132]  0
[  300.129445]  ? __lock_acquire+0x7ec/0x4ec0
[  300.136322]  ? should_fail+0x22d/0xd01
[  300.138100] Node 0 
[  300.142345]  ? mark_held_locks+0x130/0x130
[  300.146223] DMA: 
[  300.148455]  ? mark_held_locks+0x130/0x130
[  300.152665] 1*4kB 
[  300.154719]  ? graph_lock+0x170/0x170
[  300.158929] (U) 
[  300.161073]  ? graph_lock+0x170/0x170
[  300.164852] 0*8kB 
[  300.166818]  ? graph_lock+0x170/0x170
[  300.170598] 0*16kB 
[  300.172752]  ? print_usage_bug+0xc0/0xc0
[  300.176528] 1*32kB 
[  300.178757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.182799] (U) 
[  300.185033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.190548] 2*64kB 
[  300.192520]  ? check_preemption_disabled+0x48/0x200
[  300.198032] (U) 
[  300.200278]  ? check_preemption_disabled+0x48/0x200
[  300.205269] 1*128kB 
[  300.207244]  ? __lock_is_held+0xb5/0x140
[  300.212229] (U) 
[  300.214548]  __alloc_pages_nodemask+0xa80/0xde0
[  300.218582] 1*256kB 
[  300.220552]  ? graph_lock+0x170/0x170
[  300.225200] (U) 
[  300.227520]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  300.231293] 0*512kB 
[  300.233259]  ? graph_lock+0x170/0x170
[  300.238252] 1*1024kB 
[  300.240590]  ? find_held_lock+0x36/0x1c0
[  300.244361] (U) 
[  300.246770]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.250802] 1*2048kB 
[  300.252787]  ? lock_downgrade+0x900/0x900
[  300.257444] (M) 
[  300.259855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.263976] 3*4096kB 
[  300.265967]  cache_grow_begin+0x91/0x8c0
[  300.271472] (M) 
[  300.273896]  ? do_raw_spin_unlock+0xa7/0x2f0
[  300.277938] = 15908kB
[  300.279910]  fallback_alloc+0x203/0x2e0
[  300.284287] Node 0 
[  300.286694]  ____cache_alloc_node+0x1c7/0x1e0
[  300.290639] DMA32: 
[  300.292872]  kmem_cache_alloc_node+0xe3/0x730
[  300.297340] 1*4kB 
[  300.299571]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.304039] (M) 
[  300.306191]  __alloc_skb+0x119/0x770
[  300.310399] 3*8kB 
[  300.312371]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  300.316053] (UM) 
[  300.318199]  ? skb_scrub_packet+0x490/0x490
[  300.323459] 0*16kB 
[  300.325515]  ? lock_downgrade+0x900/0x900
[  300.329812] 3*32kB 
[  300.332145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.336266] (UM) 
[  300.338504]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.344015] 2*64kB 
[  300.346072]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.351493] (M) 
[  300.353727]  ? addrconf_rs_timer+0x6f0/0x6f0
[  300.359170] 5*128kB 
[  300.361159]  ndisc_alloc_skb+0x144/0x340
[  300.365549] (UM) 
[  300.367871]  ndisc_send_rs+0x331/0x6e0
[  300.371905] 3*256kB 
[  300.373966]  addrconf_rs_timer+0x3c0/0x6f0
[  300.377826] (M) 
[  300.380165]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.384375] 4*512kB 
[  300.386358]  call_timer_fn+0x272/0x920
[  300.390557] (M) 
[  300.392884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.396748] 3*1024kB 
[  300.398721]  ? process_timeout+0x40/0x40
[  300.402929] (UM) 
[  300.405334]  ? find_held_lock+0x36/0x1c0
[  300.409370] 3*2048kB 
[  300.411438]  ? __run_timers+0x7da/0xc70
[  300.415467] (M) 
[  300.417875]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.421823] 3*4096kB 
[  300.423791]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.428260] (M) 
[  300.430684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.435156] = 25212kB
[  300.437134]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  300.441342] Node 0 
[  300.443748]  ? trace_hardirqs_on+0xbd/0x310
[  300.448304] Normal: 
[  300.450532]  ? kasan_check_read+0x11/0x20
[  300.454832] 887*4kB 
[  300.457158]  ? __run_timers+0x7da/0xc70
[  300.461278] (UME) 
[  300.463598]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  300.467548] 378*8kB 
[  300.469700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.475127] (UMEH) 
[  300.477445]  __run_timers+0x7e5/0xc70
[  300.481658] 172*16kB 
[  300.483897]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  300.487655] (UMEH) 106*32kB 
[  300.490070]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  300.495405] (UMEH) 
[  300.498420]  ? graph_lock+0x170/0x170
[  300.503409] 16*64kB 
[  300.505651]  ? enqueue_hrtimer+0x1a5/0x560
[  300.509428] (UMH) 
[  300.511768]  ? lock_release+0x970/0x970
[  300.515995] 0*128kB 
[  300.518150]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  300.522100] 1*256kB 
[  300.524432]  ? find_held_lock+0x36/0x1c0
[  300.529591] (H) 
[  300.531914]  ? graph_lock+0x170/0x170
[  300.535951] 0*512kB 
[  300.537925]  ? pvclock_read_flags+0x160/0x160
[  300.541699] 0*1024kB 
[  300.544026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.548507] 0*2048kB 
[  300.550921]  ? check_preemption_disabled+0x48/0x200
[  300.556447] 0*4096kB 
[  300.558858]  ? __lock_is_held+0xb5/0x140
[  300.563839] = 13996kB
[  300.566243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.570284] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  300.572683]  ? check_preemption_disabled+0x48/0x200
[  300.578203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  300.587031]  run_timer_softirq+0x52/0xb0
[  300.592017] 4508 total pagecache pages
[  300.600585]  ? rcu_read_lock_sched_held+0x108/0x120
[  300.605127] 0 pages in swap cache
[  300.609014]  __do_softirq+0x30b/0xad8
[  300.614008] Swap cache stats: add 0, delete 0, find 0/0
[  300.617462]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  300.621231] Free swap  = 0kB
[  300.626588]  ? pvclock_read_flags+0x160/0x160
[  300.631662] Total swap = 0kB
[  300.634675]  ? lapic_next_event+0x5a/0x90
[  300.639149] 1965979 pages RAM
[  300.642187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.646306] 0 pages HighMem/MovableOnly
[  300.649403]  ? check_preemption_disabled+0x48/0x200
[  300.654913] 343323 pages reserved
[  300.658880]  ? check_preemption_disabled+0x48/0x200
[  300.663871] 0 pages cma reserved
[  300.667325]  ? kvm_clock_read+0x18/0x30
[  300.672382] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.675677]  ? kvm_sched_clock_read+0x9/0x20
[  300.679690] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.686134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.690516] ksoftirqd/1 cpuset=
[  300.700827]  ? check_preemption_disabled+0x48/0x200
[  300.706339] /
[  300.709636]  irq_exit+0x17f/0x1c0
[  300.714628]  mems_allowed=0
[  300.716337]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.727512]  ? smp_reschedule_interrupt+0x109/0x650
[  300.732533]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.738421]  ? interrupt_entry+0xb5/0xf0
[  300.742486]  ? trace_hardirqs_off_caller+0xbb/0x300
[  300.747504]  ? trace_hardirqs_off_caller+0xbb/0x300
[  300.752526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.757370]  ? trace_hardirqs_off+0x300/0x300
[  300.761868]  ? trace_hardirqs_off+0x300/0x300
[  300.766379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.771918]  ? check_preemption_disabled+0x48/0x200
[  300.776932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.782479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.787334]  apic_timer_interrupt+0xf/0x20
[  300.791564]  </IRQ>
[  300.793823] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  300.798774] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  300.817676] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  300.825399] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  300.832685] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  300.839956] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  300.847227] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  300.854527] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  300.861841]  skb_clone+0x1bb/0x500
[  300.865383]  ? finish_task_switch+0x2f5/0x900
[  300.869878]  ? skb_split+0x11e0/0x11e0
[  300.873770]  ? preempt_notifier_register+0x200/0x200
[  300.878872]  ? __switch_to_asm+0x34/0x70
[  300.882933]  ? __switch_to_asm+0x34/0x70
[  300.886992]  ? __switch_to_asm+0x40/0x70
[  300.891051]  ? __switch_to_asm+0x34/0x70
[  300.895128]  ? __switch_to_asm+0x40/0x70
[  300.899195]  ? __switch_to_asm+0x34/0x70
[  300.903259]  ? __switch_to_asm+0x40/0x70
[  300.907321]  ? __switch_to_asm+0x34/0x70
[  300.911380]  ? __switch_to_asm+0x34/0x70
[  300.915442]  ? __switch_to_asm+0x40/0x70
[  300.919522]  ? __switch_to_asm+0x34/0x70
[  300.923610]  bpf_clone_redirect+0xb9/0x490
[  300.927849]  ? __schedule+0x874/0x1ed0
[  300.931745]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  300.936772]  ? __sched_text_start+0x8/0x8
[  300.940917]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.945690]  ? find_held_lock+0x36/0x1c0
[  300.949762]  ? lock_acquire+0x1ed/0x520
[  300.953735]  ? bpf_test_run+0x32e/0x5a0
[  300.957720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.963286]  ? check_preemption_disabled+0x48/0x200
[  300.968339]  ? kasan_check_read+0x11/0x20
[  300.972491]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  300.977771]  ? rcu_bh_qs+0xc0/0xc0
[  300.981331]  ? preempt_schedule+0x4d/0x60
[  300.985484]  ? ___preempt_schedule+0x16/0x18
[  300.989900]  ? bpf_test_run+0x1c0/0x5a0
[  300.993904]  ? netlink_diag_dump+0x2a0/0x2a0
[  300.998318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.003856]  ? bpf_test_init.isra.9+0x70/0x100
[  301.008446]  ? bpf_prog_test_run_skb+0x634/0xb40
[  301.013214]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  301.018057]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  301.023597]  ? fput+0x130/0x1a0
[  301.026896]  ? __bpf_prog_get+0x9b/0x290
[  301.030995]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  301.035924]  ? bpf_prog_test_run+0x130/0x1a0
[  301.040339]  ? __x64_sys_bpf+0x3d8/0x510
[  301.044403]  ? bpf_prog_get+0x20/0x20
[  301.048230]  ? do_syscall_64+0x1b9/0x820
[  301.052290]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  301.057658]  ? syscall_return_slowpath+0x5e0/0x5e0
[  301.062589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.067436]  ? trace_hardirqs_off+0x300/0x300
[  301.071935]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  301.076971]  ? prepare_exit_to_usermode+0x291/0x3b0
[  301.081996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.090154]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  301.095554] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  301.095642] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  301.102404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.102409] Call Trace:
[  301.102426]  dump_stack+0x1c4/0x2b4
[  301.102448]  ? dump_stack_print_info.cold.2+0x52/0x52
[  301.108994] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  301.118277]  warn_alloc.cold.118+0xb7/0x1bd
[  301.120832] syz-executor4 cpuset=
[  301.124452]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  301.129644] syz4
[  301.140138]  ? lock_downgrade+0x900/0x900
[  301.144437]  mems_allowed=0
[  301.147886]  ? trace_hardirqs_off+0xb8/0x300
[  301.166118]  ? trace_hardirqs_off+0xb8/0x300
[  301.170543]  __alloc_pages_slowpath+0x2667/0x2d80
[  301.175438]  ? warn_alloc+0x120/0x120
[  301.179247]  ? warn_alloc+0x120/0x120
[  301.183049]  ? print_usage_bug+0xc0/0xc0
[  301.187122]  ? warn_alloc+0x120/0x120
[  301.190937]  ? print_usage_bug+0xc0/0xc0
[  301.195019]  ? __lock_acquire+0x7ec/0x4ec0
[  301.199257]  ? __lock_acquire+0x7ec/0x4ec0
[  301.203497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.209053]  ? should_fail+0x22d/0xd01
[  301.212994]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.218095]  ? __lock_acquire+0x7ec/0x4ec0
[  301.222348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.227448]  ? __lock_acquire+0x7ec/0x4ec0
[  301.231682]  ? should_fail+0x22d/0xd01
[  301.235579]  ? mark_held_locks+0x130/0x130
[  301.239818]  ? mark_held_locks+0x130/0x130
[  301.244073]  ? graph_lock+0x170/0x170
[  301.247882]  ? graph_lock+0x170/0x170
[  301.251684]  ? graph_lock+0x170/0x170
[  301.255485]  ? print_usage_bug+0xc0/0xc0
[  301.259545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.265124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.270663]  ? check_preemption_disabled+0x48/0x200
[  301.275688]  ? check_preemption_disabled+0x48/0x200
[  301.280718]  ? __lock_is_held+0xb5/0x140
[  301.284790]  __alloc_pages_nodemask+0xa80/0xde0
[  301.289458]  ? graph_lock+0x170/0x170
[  301.293264]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  301.298281]  ? graph_lock+0x170/0x170
[  301.302118]  ? find_held_lock+0x36/0x1c0
[  301.306193]  ? ____cache_alloc_node+0x1c7/0x1e0
[  301.310866]  ? lock_downgrade+0x900/0x900
[  301.315039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.320584]  cache_grow_begin+0x91/0x8c0
[  301.324653]  ? do_raw_spin_unlock+0xa7/0x2f0
[  301.329088]  fallback_alloc+0x203/0x2e0
[  301.333135]  ____cache_alloc_node+0x1c7/0x1e0
[  301.337667]  kmem_cache_alloc_node+0xe3/0x730
[  301.342180]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.346427]  __alloc_skb+0x119/0x770
[  301.350149]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.355431]  ? skb_scrub_packet+0x490/0x490
[  301.359755]  ? lock_downgrade+0x900/0x900
[  301.363912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.369467]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.374926]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.380380]  ? addrconf_rs_timer+0x6f0/0x6f0
[  301.384806]  ndisc_alloc_skb+0x144/0x340
[  301.388875]  ndisc_send_rs+0x331/0x6e0
[  301.392767]  addrconf_rs_timer+0x3c0/0x6f0
[  301.397011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.401279]  call_timer_fn+0x272/0x920
[  301.405184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.409425]  ? process_timeout+0x40/0x40
[  301.413486]  ? find_held_lock+0x36/0x1c0
[  301.417559]  ? __run_timers+0x7da/0xc70
[  301.421537]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.426036]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.430531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.434767]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  301.439357]  ? trace_hardirqs_on+0xbd/0x310
[  301.443684]  ? kasan_check_read+0x11/0x20
[  301.447865]  ? __run_timers+0x7da/0xc70
[  301.451842]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.457303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.461553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.465803]  __run_timers+0x7e5/0xc70
[  301.469626]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  301.475321]  ? compat_start_thread+0x80/0x80
[  301.479752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.485299]  ? kasan_check_write+0x14/0x20
[  301.489540]  ? finish_task_switch+0x2f5/0x900
[  301.494040]  ? __switch_to_asm+0x40/0x70
[  301.498115]  ? preempt_notifier_register+0x200/0x200
[  301.503221]  ? __switch_to_asm+0x34/0x70
[  301.507281]  ? __switch_to_asm+0x40/0x70
[  301.511344]  ? __switch_to_asm+0x34/0x70
[  301.515406]  ? __switch_to_asm+0x40/0x70
[  301.519471]  ? __switch_to_asm+0x34/0x70
[  301.523533]  ? __switch_to_asm+0x40/0x70
[  301.527613]  ? pvclock_read_flags+0x160/0x160
[  301.532134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.537679]  ? check_preemption_disabled+0x48/0x200
[  301.542708]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  301.548251]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.553530]  ? rcu_pm_notify+0xc0/0xc0
[  301.557453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.562991]  ? check_preemption_disabled+0x48/0x200
[  301.568076]  run_timer_softirq+0x52/0xb0
[  301.572209]  ? rcu_read_lock_sched_held+0x108/0x120
[  301.577239]  __do_softirq+0x30b/0xad8
[  301.581052]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  301.586165]  ? schedule+0x108/0x460
[  301.589798]  ? __schedule+0x1ed0/0x1ed0
[  301.593781]  ? trace_hardirqs_off+0xb8/0x300
[  301.598196]  ? ___might_sleep+0x1ed/0x300
[  301.602346]  ? smpboot_thread_fn+0x68b/0xa00
[  301.606753]  ? trace_hardirqs_on+0x310/0x310
[  301.611181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.616717]  ? check_preemption_disabled+0x48/0x200
[  301.621754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.627293]  ? takeover_tasklets+0xa90/0xa90
[  301.631706]  run_ksoftirqd+0x94/0x100
[  301.635506]  smpboot_thread_fn+0x68b/0xa00
[  301.639743]  ? sort_range+0x30/0x30
[  301.643375]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.648496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.654031]  ? __kthread_parkme+0xfb/0x1a0
[  301.658282]  kthread+0x35a/0x420
[  301.661651]  ? sort_range+0x30/0x30
[  301.665282]  ? kthread_bind+0x40/0x40
[  301.669091]  ret_from_fork+0x3a/0x50
[  301.672833] warn_alloc_show_mem: 1 callbacks suppressed
[  301.672845] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  301.672847] Mem-Info:
[  301.672878] active_anon:44072 inactive_anon:951 isolated_anon:0
[  301.672878]  active_file:15 inactive_file:18 isolated_file:0
[  301.672878]  unevictable:0 dirty:0 writeback:0 unstable:0
[  301.672878]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  301.672878]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  301.672878]  free:13779 free_pcp:230 free_cma:0
[  301.678221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.685430] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  301.687832] Call Trace:
[  301.720786] Node 0 
[  301.730143]  <IRQ>
[  301.757907] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  301.760466]  dump_stack+0x1c4/0x2b4
[  301.762674] lowmem_reserve[]:
[  301.764820]  ? dump_stack_print_info.cold.2+0x52/0x52
[  301.790322]  0 2815
[  301.793967]  warn_alloc.cold.118+0xb7/0x1bd
[  301.797037]  6318
[  301.802241]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  301.804453]  6318
[  301.808768]  ? lock_downgrade+0x900/0x900
[  301.815732]  ? trace_hardirqs_off+0xb8/0x300
[  301.817783] Node 0 
[  301.821925]  ? trace_hardirqs_off+0xb8/0x300
[  301.826329] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  301.828541]  __alloc_pages_slowpath+0x2667/0x2d80
[  301.832919] lowmem_reserve[]:
[  301.859843]  ? warn_alloc+0x120/0x120
[  301.864644]  0
[  301.867749]  ? warn_alloc+0x120/0x120
[  301.871515]  0 3503
[  301.873321]  ? print_usage_bug+0xc0/0xc0
[  301.877094]  3503
[  301.879337]  ? warn_alloc+0x120/0x120
[  301.885425]  ? print_usage_bug+0xc0/0xc0
[  301.889203] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  301.893288]  ? __lock_acquire+0x7ec/0x4ec0
[  301.893304]  ? __lock_acquire+0x7ec/0x4ec0
[  301.922252] lowmem_reserve[]: 0
[  301.926494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.930716]  0
[  301.933990]  ? should_fail+0x22d/0xd01
[  301.939497]  0
[  301.941297]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.945160]  0
[  301.946960]  ? __lock_acquire+0x7ec/0x4ec0
[  301.953840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.958049] Node 0 
[  301.963147]  ? __lock_acquire+0x7ec/0x4ec0
[  301.963157] DMA: 
[  301.965386]  ? should_fail+0x22d/0xd01
[  301.969594] 1*4kB 
[  301.971672]  ? mark_held_locks+0x130/0x130
[  301.975528] (U) 
[  301.977677]  ? mark_held_locks+0x130/0x130
[  301.981887] 0*8kB 
[  301.983854]  ? graph_lock+0x170/0x170
[  301.988075] 0*16kB 
[  301.990217]  ? graph_lock+0x170/0x170
[  301.993993] 1*32kB 
[  301.996224]  ? graph_lock+0x170/0x170
[  302.000004] (U) 
[  302.002236]  ? print_usage_bug+0xc0/0xc0
[  302.006014] 2*64kB 
[  302.007987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.012020] (U) 
[  302.014251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.019771] 1*128kB 
[  302.021744]  ? check_preemption_disabled+0x48/0x200
[  302.027270] (U) 
[  302.029590]  ? check_preemption_disabled+0x48/0x200
[  302.034623] 1*256kB 
[  302.036598]  ? __lock_is_held+0xb5/0x140
[  302.041582] (U) 
[  302.043901]  __alloc_pages_nodemask+0xa80/0xde0
[  302.047935] 0*512kB 
[  302.049904]  ? graph_lock+0x170/0x170
[  302.054548] 1*1024kB 
[  302.056868]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  302.060647] (U) 
[  302.063052]  ? graph_lock+0x170/0x170
[  302.068043] 1*2048kB 
[  302.070020]  ? find_held_lock+0x36/0x1c0
[  302.073806] (M) 
[  302.076230]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.080260] 3*4096kB 
[  302.082232]  ? lock_downgrade+0x900/0x900
[  302.086875] (M) 
[  302.089283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.093400] = 15908kB
[  302.095371]  cache_grow_begin+0x91/0x8c0
[  302.100879] Node 0 
[  302.103286]  ? do_raw_spin_unlock+0xa7/0x2f0
[  302.107323] DMA32: 
[  302.109558]  fallback_alloc+0x203/0x2e0
[  302.113937] 1*4kB 
[  302.116174]  ____cache_alloc_node+0x1c7/0x1e0
[  302.120123] (M) 3*8kB 
[  302.122279]  kmem_cache_alloc_node+0xe3/0x730
[  302.126743] (UM) 
[  302.129231]  ? ipv6_get_ifaddr+0x42e/0x620
[  302.133712] 0*16kB 
[  302.135774]  __alloc_skb+0x119/0x770
[  302.139976] 3*32kB 
[  302.142208]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  302.145894] (UM) 
[  302.148139]  ? skb_scrub_packet+0x490/0x490
[  302.153380] 2*64kB (M) 
[  302.155446]  ? lock_downgrade+0x900/0x900
[  302.159744] 5*128kB 
[  302.162323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.166439] (UM) 
[  302.168764]  ? refcount_sub_and_test_checked+0x203/0x310
[  302.174274] 3*256kB 
[  302.176418]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  302.181841] (M) 
[  302.184166]  ? addrconf_rs_timer+0x6f0/0x6f0
[  302.189593] 4*512kB 
[  302.191639]  ndisc_alloc_skb+0x144/0x340
[  302.196017] (M) 
[  302.198350]  ndisc_send_rs+0x331/0x6e0
[  302.202400] 3*1024kB 
[  302.204375]  addrconf_rs_timer+0x3c0/0x6f0
[  302.208233] (UM) 
[  302.210640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.214849] 3*2048kB 
[  302.216917]  call_timer_fn+0x272/0x920
[  302.221114] (M) 3*4096kB 
[  302.223531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.227391] (M) 
[  302.230150]  ? process_timeout+0x40/0x40
[  302.234359] = 25212kB
[  302.236330]  ? find_held_lock+0x36/0x1c0
[  302.240365] Node 0 
[  302.242774]  ? __run_timers+0x7da/0xc70
[  302.246804] Normal: 
[  302.249036]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.252989] 887*4kB 
[  302.255307]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.259779] (UME) 
[  302.262124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.266587] 378*8kB 
[  302.268746]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  302.273042] (UMEH) 
[  302.275359]  ? trace_hardirqs_on+0xbd/0x310
[  302.279934] 172*16kB 
[  302.282167]  ? kasan_check_read+0x11/0x20
[  302.286465] (UMEH) 
[  302.288872]  ? __run_timers+0x7da/0xc70
[  302.292985] 106*32kB (UMEH) 
[  302.295226]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.299176] 16*64kB 
[  302.302196]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.307608] (UMH) 
[  302.309926]  __run_timers+0x7e5/0xc70
[  302.314150] 0*128kB 
[  302.316304]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  302.320069] 1*256kB 
[  302.322386]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  302.327722] (H) 
[  302.330042]  ? graph_lock+0x170/0x170
[  302.335032] 0*512kB 
[  302.337002]  ? enqueue_hrtimer+0x1a5/0x560
[  302.340777] 0*1024kB 
[  302.343095]  ? lock_release+0x970/0x970
[  302.347314] 0*2048kB 
[  302.349719]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  302.353671] 0*4096kB 
[  302.356092]  ? find_held_lock+0x36/0x1c0
[  302.361251] = 13996kB
[  302.363655]  ? graph_lock+0x170/0x170
[  302.367698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  302.370123]  ? pvclock_read_flags+0x160/0x160
[  302.373898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  302.382722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.387192] 4508 total pagecache pages
[  302.395757]  ? check_preemption_disabled+0x48/0x200
[  302.401277] 0 pages in swap cache
[  302.405161]  ? __lock_is_held+0xb5/0x140
[  302.410153] Swap cache stats: add 0, delete 0, find 0/0
[  302.413600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.417638] Free swap  = 0kB
[  302.422994]  ? check_preemption_disabled+0x48/0x200
[  302.428506] Total swap = 0kB
[  302.431524]  run_timer_softirq+0x52/0xb0
[  302.436508] 1965979 pages RAM
[  302.439522]  ? rcu_read_lock_sched_held+0x108/0x120
[  302.443556] 0 pages HighMem/MovableOnly
[  302.446657]  __do_softirq+0x30b/0xad8
[  302.451644] 343323 pages reserved
[  302.455618]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  302.459390] 0 pages cma reserved
[  302.462842]  ? pvclock_read_flags+0x160/0x160
[  302.467989] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.471275]  ? lapic_next_event+0x5a/0x90
[  302.471291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.471305]  ? check_preemption_disabled+0x48/0x200
[  302.471320]  ? check_preemption_disabled+0x48/0x200
[  302.475857] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.482288]  ? kvm_clock_read+0x18/0x30
[  302.486409] ksoftirqd/1 cpuset=
[  302.491945]  ? kvm_sched_clock_read+0x9/0x20
[  302.496931] /
[  302.501942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.512228]  mems_allowed=0
[  302.516195]  ? check_preemption_disabled+0x48/0x200
[  302.539622]  irq_exit+0x17f/0x1c0
[  302.543100]  smp_apic_timer_interrupt+0x1cb/0x760
[  302.547960]  ? smp_reschedule_interrupt+0x109/0x650
[  302.552980]  ? smp_call_function_single_interrupt+0x650/0x650
[  302.558866]  ? interrupt_entry+0xb5/0xf0
[  302.562932]  ? trace_hardirqs_off_caller+0xbb/0x300
[  302.567950]  ? trace_hardirqs_off_caller+0xbb/0x300
[  302.572969]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.577813]  ? trace_hardirqs_off+0x300/0x300
[  302.582310]  ? trace_hardirqs_off+0x300/0x300
[  302.586808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.592351]  ? check_preemption_disabled+0x48/0x200
[  302.597368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.602919]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.607934]  apic_timer_interrupt+0xf/0x20
[  302.612163]  </IRQ>
[  302.614407] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  302.619338] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  302.638252] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  302.645962] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  302.653226] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  302.660495] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  302.667764] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  302.675032] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  302.682344]  skb_clone+0x1bb/0x500
[  302.685889]  ? finish_task_switch+0x2f5/0x900
[  302.690386]  ? skb_split+0x11e0/0x11e0
[  302.694275]  ? preempt_notifier_register+0x200/0x200
[  302.699379]  ? __switch_to_asm+0x34/0x70
[  302.703443]  ? __switch_to_asm+0x34/0x70
[  302.707505]  ? __switch_to_asm+0x40/0x70
[  302.711567]  ? __switch_to_asm+0x34/0x70
[  302.715626]  ? __switch_to_asm+0x40/0x70
[  302.719689]  ? __switch_to_asm+0x34/0x70
[  302.723750]  ? __switch_to_asm+0x40/0x70
[  302.727811]  ? __switch_to_asm+0x34/0x70
[  302.731877]  ? __switch_to_asm+0x34/0x70
[  302.735940]  ? __switch_to_asm+0x40/0x70
[  302.740001]  ? __switch_to_asm+0x34/0x70
[  302.744073]  bpf_clone_redirect+0xb9/0x490
[  302.748317]  ? __schedule+0x874/0x1ed0
[  302.752210]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  302.757231]  ? __sched_text_start+0x8/0x8
[  302.761382]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.766162]  ? find_held_lock+0x36/0x1c0
[  302.770235]  ? lock_acquire+0x1ed/0x520
[  302.774209]  ? bpf_test_run+0x32e/0x5a0
[  302.778191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.783727]  ? check_preemption_disabled+0x48/0x200
[  302.788748]  ? kasan_check_read+0x11/0x20
[  302.792901]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  302.798180]  ? rcu_bh_qs+0xc0/0xc0
[  302.801723]  ? preempt_schedule+0x4d/0x60
[  302.805874]  ? ___preempt_schedule+0x16/0x18
[  302.810293]  ? bpf_test_run+0x1c0/0x5a0
[  302.814283]  ? netlink_diag_dump+0x2a0/0x2a0
[  302.818697]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.824233]  ? bpf_test_init.isra.9+0x70/0x100
[  302.828839]  ? bpf_prog_test_run_skb+0x634/0xb40
[  302.833603]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  302.838449]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  302.843998]  ? fput+0x130/0x1a0
[  302.847278]  ? __bpf_prog_get+0x9b/0x290
[  302.851343]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  302.856189]  ? bpf_prog_test_run+0x130/0x1a0
[  302.860602]  ? __x64_sys_bpf+0x3d8/0x510
[  302.864663]  ? bpf_prog_get+0x20/0x20
[  302.868481]  ? do_syscall_64+0x1b9/0x820
[  302.872541]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  302.877909]  ? syscall_return_slowpath+0x5e0/0x5e0
[  302.882836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.887684]  ? trace_hardirqs_off+0x300/0x300
[  302.892185]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  302.897204]  ? prepare_exit_to_usermode+0x291/0x3b0
[  302.902232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.907087]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  302.912488] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  302.912946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.919331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.919340] Call Trace:
[  302.925931] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.935162]  dump_stack+0x1c4/0x2b4
[  302.937726] syz-executor4 cpuset=
[  302.948205]  ? dump_stack_print_info.cold.2+0x52/0x52
[  302.951810] syz4
[  302.955269]  warn_alloc.cold.118+0xb7/0x1bd
[  302.960426]  mems_allowed=0
[  302.962396]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.974446]  ? lock_downgrade+0x900/0x900
[  302.978604]  ? trace_hardirqs_off+0xb8/0x300
[  302.983023]  ? trace_hardirqs_off+0xb8/0x300
[  302.987440]  __alloc_pages_slowpath+0x2667/0x2d80
[  302.992314]  ? warn_alloc+0x120/0x120
[  302.996129]  ? warn_alloc+0x120/0x120
[  302.999930]  ? print_usage_bug+0xc0/0xc0
[  303.004007]  ? warn_alloc+0x120/0x120
[  303.007810]  ? print_usage_bug+0xc0/0xc0
[  303.011878]  ? __lock_acquire+0x7ec/0x4ec0
[  303.016124]  ? __lock_acquire+0x7ec/0x4ec0
[  303.020367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.025910]  ? should_fail+0x22d/0xd01
[  303.029820]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.034926]  ? __lock_acquire+0x7ec/0x4ec0
[  303.039167]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.044268]  ? __lock_acquire+0x7ec/0x4ec0
[  303.048501]  ? should_fail+0x22d/0xd01
[  303.052403]  ? mark_held_locks+0x130/0x130
[  303.056650]  ? mark_held_locks+0x130/0x130
[  303.060888]  ? graph_lock+0x170/0x170
[  303.064693]  ? graph_lock+0x170/0x170
[  303.068496]  ? graph_lock+0x170/0x170
[  303.072298]  ? print_usage_bug+0xc0/0xc0
[  303.076360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.081900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.087437]  ? check_preemption_disabled+0x48/0x200
[  303.092453]  ? check_preemption_disabled+0x48/0x200
[  303.097495]  ? __lock_is_held+0xb5/0x140
[  303.101573]  __alloc_pages_nodemask+0xa80/0xde0
[  303.106244]  ? graph_lock+0x170/0x170
[  303.110053]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  303.115068]  ? graph_lock+0x170/0x170
[  303.118883]  ? find_held_lock+0x36/0x1c0
[  303.122960]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.127641]  ? lock_downgrade+0x900/0x900
[  303.131801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.137345]  cache_grow_begin+0x91/0x8c0
[  303.141409]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.145830]  fallback_alloc+0x203/0x2e0
[  303.149814]  ____cache_alloc_node+0x1c7/0x1e0
[  303.154319]  kmem_cache_alloc_node+0xe3/0x730
[  303.158820]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.163066]  __alloc_skb+0x119/0x770
[  303.166784]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  303.172065]  ? skb_scrub_packet+0x490/0x490
[  303.176387]  ? lock_downgrade+0x900/0x900
[  303.180548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.186090]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.191556]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.197009]  ? addrconf_rs_timer+0x6f0/0x6f0
[  303.201435]  ndisc_alloc_skb+0x144/0x340
[  303.205506]  ndisc_send_rs+0x331/0x6e0
[  303.209400]  addrconf_rs_timer+0x3c0/0x6f0
[  303.213646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.217902]  call_timer_fn+0x272/0x920
[  303.221793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.226029]  ? process_timeout+0x40/0x40
[  303.230093]  ? find_held_lock+0x36/0x1c0
[  303.234171]  ? __run_timers+0x7da/0xc70
[  303.238149]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.243077]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.247578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.251815]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  303.256403]  ? trace_hardirqs_on+0xbd/0x310
[  303.260726]  ? kasan_check_read+0x11/0x20
[  303.264876]  ? __run_timers+0x7da/0xc70
[  303.268854]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  303.274312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.278552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.282801]  __run_timers+0x7e5/0xc70
[  303.286653]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  303.292031]  ? compat_start_thread+0x80/0x80
[  303.296447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.301990]  ? kasan_check_write+0x14/0x20
[  303.306226]  ? finish_task_switch+0x2f5/0x900
[  303.310728]  ? __switch_to_asm+0x40/0x70
[  303.314795]  ? preempt_notifier_register+0x200/0x200
[  303.319903]  ? __switch_to_asm+0x34/0x70
[  303.323965]  ? __switch_to_asm+0x40/0x70
[  303.328215]  ? __switch_to_asm+0x34/0x70
[  303.332278]  ? __switch_to_asm+0x40/0x70
[  303.336338]  ? __switch_to_asm+0x34/0x70
[  303.340396]  ? __switch_to_asm+0x40/0x70
[  303.344469]  ? pvclock_read_flags+0x160/0x160
[  303.348967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.354506]  ? check_preemption_disabled+0x48/0x200
[  303.359532]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  303.365067]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  303.370349]  ? rcu_pm_notify+0xc0/0xc0
[  303.374249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.379786]  ? check_preemption_disabled+0x48/0x200
[  303.384811]  run_timer_softirq+0x52/0xb0
[  303.388875]  ? rcu_read_lock_sched_held+0x108/0x120
[  303.393893]  __do_softirq+0x30b/0xad8
[  303.397706]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  303.402820]  ? schedule+0x108/0x460
[  303.406454]  ? __schedule+0x1ed0/0x1ed0
[  303.410436]  ? trace_hardirqs_off+0xb8/0x300
[  303.414850]  ? ___might_sleep+0x1ed/0x300
[  303.418995]  ? smpboot_thread_fn+0x68b/0xa00
[  303.423406]  ? trace_hardirqs_on+0x310/0x310
[  303.427823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.433359]  ? check_preemption_disabled+0x48/0x200
[  303.438377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.443922]  ? takeover_tasklets+0xa90/0xa90
[  303.448339]  run_ksoftirqd+0x94/0x100
[  303.452150]  smpboot_thread_fn+0x68b/0xa00
[  303.456437]  ? sort_range+0x30/0x30
[  303.460072]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.465176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.470713]  ? __kthread_parkme+0xfb/0x1a0
[  303.475154]  kthread+0x35a/0x420
[  303.478526]  ? sort_range+0x30/0x30
[  303.482153]  ? kthread_bind+0x40/0x40
[  303.485962]  ret_from_fork+0x3a/0x50
[  303.489695] warn_alloc_show_mem: 1 callbacks suppressed
[  303.489707] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  303.489709] Mem-Info:
[  303.489741] active_anon:44072 inactive_anon:951 isolated_anon:0
[  303.489741]  active_file:15 inactive_file:18 isolated_file:0
[  303.489741]  unevictable:0 dirty:0 writeback:0 unstable:0
[  303.489741]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  303.489741]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  303.489741]  free:13779 free_pcp:230 free_cma:0
[  303.495075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.502266] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  303.504693] Call Trace:
[  303.537669] Node 0 
[  303.547025]  <IRQ>
[  303.574797] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  303.577356]  dump_stack+0x1c4/0x2b4
[  303.579565] lowmem_reserve[]:
[  303.581712]  ? dump_stack_print_info.cold.2+0x52/0x52
[  303.607184]  0 2815
[  303.610826]  warn_alloc.cold.118+0xb7/0x1bd
[  303.613898]  6318
[  303.619081]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.621295]  6318
[  303.625610]  ? lock_downgrade+0x900/0x900
[  303.632513]  ? trace_hardirqs_off+0xb8/0x300
[  303.634548] Node 0 
[  303.638692]  ? trace_hardirqs_off+0xb8/0x300
[  303.643100] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  303.645310]  __alloc_pages_slowpath+0x2667/0x2d80
[  303.649691] lowmem_reserve[]:
[  303.676607]  ? warn_alloc+0x120/0x120
[  303.681398]  0
[  303.684497]  ? trace_hardirqs_on+0x310/0x310
[  303.688269]  0
[  303.690068]  ? warn_alloc+0x120/0x120
[  303.694449]  3503
[  303.696250]  ? print_usage_bug+0xc0/0xc0
[  303.700044]  3503
[  303.702102]  ? warn_alloc+0x120/0x120
[  303.708235]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  303.712012] Node 0 
[  303.717018]  ? print_usage_bug+0xc0/0xc0
[  303.717050] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  303.717057] lowmem_reserve[]:
[  303.719288]  ? __lock_acquire+0x7ec/0x4ec0
[  303.723317]  0 0
[  303.751709]  ? __lock_acquire+0x7ec/0x4ec0
[  303.754789]  0
[  303.759211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.761160]  0
[  303.765388]  ? should_fail+0x22d/0xd01
[  303.772697]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.774499] Node 0 
[  303.778387]  ? __lock_acquire+0x7ec/0x4ec0
[  303.783456] DMA: 1*4kB 
[  303.785698]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.789914] (U) 
[  303.792501]  ? __lock_acquire+0x7ec/0x4ec0
[  303.797578] 0*8kB 
[  303.799549]  ? should_fail+0x22d/0xd01
[  303.803760] 0*16kB 
[  303.805901]  ? print_usage_bug+0xc0/0xc0
[  303.809766] 1*32kB 
[  303.812004]  ? mark_held_locks+0x130/0x130
[  303.816042] (U) 
[  303.818272]  ? mark_held_locks+0x130/0x130
[  303.822481] 2*64kB 
[  303.824453]  ? graph_lock+0x170/0x170
[  303.828657] (U) 
[  303.830888]  ? print_usage_bug+0xc0/0xc0
[  303.834658] 1*128kB (U) 
[  303.836636]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.836653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.840693] 1*256kB 
[  303.843358]  ? check_preemption_disabled+0x48/0x200
[  303.848091] (U) 
[  303.853643]  ? check_preemption_disabled+0x48/0x200
[  303.856308] 0*512kB 
[  303.861321]  ? __lock_is_held+0xb5/0x140
[  303.863270] 1*1024kB 
[  303.868280]  __alloc_pages_nodemask+0xa80/0xde0
[  303.870578] (U) 
[  303.874629]  ? graph_lock+0x170/0x170
[  303.877029] 1*2048kB 
[  303.881690]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  303.883642] (M) 
[  303.887435]  ? graph_lock+0x170/0x170
[  303.889822] 3*4096kB 
[  303.894837]  ? find_held_lock+0x36/0x1c0
[  303.896783] (M) 
[  303.900601]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.902984] = 15908kB
[  303.907036]  ? lock_downgrade+0x900/0x900
[  303.908988] Node 0 
[  303.913655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.916031] DMA32: 1*4kB 
[  303.920185]  cache_grow_begin+0x91/0x8c0
[  303.922397] (M) 
[  303.927940]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.930672] 3*8kB 
[  303.934727]  fallback_alloc+0x203/0x2e0
[  303.936677] (UM) 
[  303.941080]  ____cache_alloc_node+0x1c7/0x1e0
[  303.943206] 0*16kB 
[  303.947174]  kmem_cache_alloc_node+0xe3/0x730
[  303.949214] 3*32kB 
[  303.953706]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.955913] (UM) 
[  303.960413]  __alloc_skb+0x119/0x770
[  303.962626] 2*64kB 
[  303.966856]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  303.968890] (M) 
[  303.972595]  ? skb_scrub_packet+0x490/0x490
[  303.974822] 5*128kB 
[  303.980095]  ? lock_downgrade+0x900/0x900
[  303.982067] (UM) 
[  303.986386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.988683] 3*256kB 
[  303.992823]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.994860] (M) 
[  304.000389]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  304.002691] 4*512kB 
[  304.008143]  ? addrconf_rs_timer+0x6f0/0x6f0
[  304.010093] (M) 
[  304.015561]  ndisc_alloc_skb+0x144/0x340
[  304.017851] 3*1024kB 
[  304.022254]  ndisc_send_rs+0x331/0x6e0
[  304.024217] (UM) 
[  304.028271]  addrconf_rs_timer+0x3c0/0x6f0
[  304.030656] 3*2048kB 
[  304.034540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.036579] (M) 
[  304.040813]  call_timer_fn+0x272/0x920
[  304.043191] 3*4096kB 
[  304.047418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.049368] (M) 
[  304.053250]  ? process_timeout+0x40/0x40
[  304.055638] = 25212kB
[  304.059880]  ? find_held_lock+0x36/0x1c0
[  304.061831] Node 0 
[  304.065901]  ? __run_timers+0x7da/0xc70
[  304.068282] Normal: 
[  304.072336]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.074547] 887*4kB 
[  304.078513]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.080811] (UME) 
[  304.085299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.087609] 378*8kB 
[  304.092097]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  304.094227] (UMEH) 
[  304.098453]  ? trace_hardirqs_on+0xbd/0x310
[  304.100752] 172*16kB 
[  304.105326]  ? kasan_check_read+0x11/0x20
[  304.107542] (UMEH) 
[  304.111858]  ? __run_timers+0x7da/0xc70
[  304.114255] 106*32kB 
[  304.118394]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.120616] (UMEH) 
[  304.124594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.126998] 16*64kB 
[  304.132442]  __run_timers+0x7e5/0xc70
[  304.134656] (UMH) 
[  304.138891]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  304.141186] 0*128kB 
[  304.144982]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  304.147116] 1*256kB 
[  304.152481]  ? graph_lock+0x170/0x170
[  304.154781] (H) 
[  304.159788]  ? enqueue_hrtimer+0x1a5/0x560
[  304.162084] 0*512kB 0*1024kB 
[  304.165897]  ? lock_release+0x970/0x970
[  304.167843] 0*2048kB 0*4096kB 
[  304.172080]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  304.175166] = 13996kB
[  304.179145]  ? find_held_lock+0x36/0x1c0
[  304.182321] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  304.187500]  ? graph_lock+0x170/0x170
[  304.189910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  304.193957]  ? pvclock_read_flags+0x160/0x160
[  304.202783] 4508 total pagecache pages
[  304.206577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.215146] 0 pages in swap cache
[  304.219627]  ? check_preemption_disabled+0x48/0x200
[  304.223496] Swap cache stats: add 0, delete 0, find 0/0
[  304.229061]  ? __lock_is_held+0xb5/0x140
[  304.232502] Free swap  = 0kB
[  304.237511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.242848] Total swap = 0kB
[  304.246900]  ? check_preemption_disabled+0x48/0x200
[  304.249896] 1965979 pages RAM
[  304.255430]  run_timer_softirq+0x52/0xb0
[  304.258424] 0 pages HighMem/MovableOnly
[  304.263437]  ? rcu_read_lock_sched_held+0x108/0x120
[  304.266517] 343323 pages reserved
[  304.270572]  __do_softirq+0x30b/0xad8
[  304.274536] 0 pages cma reserved
[  304.279563]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  304.283092] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  304.286792]  ? pvclock_read_flags+0x160/0x160
[  304.290222] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  304.295265]  ? lapic_next_event+0x5a/0x90
[  304.301758] ksoftirqd/1 cpuset=
[  304.306248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.316534] /
[  304.320677]  ? check_preemption_disabled+0x48/0x200
[  304.323938]  mems_allowed=0
[  304.329460]  ? check_preemption_disabled+0x48/0x200
[  304.329481]  ? kvm_clock_read+0x18/0x30
[  304.348099]  ? kvm_sched_clock_read+0x9/0x20
[  304.352546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.358131]  ? check_preemption_disabled+0x48/0x200
[  304.363180]  irq_exit+0x17f/0x1c0
[  304.366670]  smp_apic_timer_interrupt+0x1cb/0x760
[  304.371514]  ? smp_reschedule_interrupt+0x109/0x650
[  304.376534]  ? smp_call_function_single_interrupt+0x650/0x650
[  304.382419]  ? interrupt_entry+0xb5/0xf0
[  304.386490]  ? trace_hardirqs_off_caller+0xbb/0x300
[  304.391504]  ? trace_hardirqs_off_caller+0xbb/0x300
[  304.396574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.401433]  ? trace_hardirqs_off+0x300/0x300
[  304.405930]  ? trace_hardirqs_off+0x300/0x300
[  304.410427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.415963]  ? check_preemption_disabled+0x48/0x200
[  304.420980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.426527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.431384]  apic_timer_interrupt+0xf/0x20
[  304.435618]  </IRQ>
[  304.437860] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  304.442793] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  304.461704] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  304.469420] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  304.476692] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  304.483973] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  304.491244] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  304.498514] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  304.506266]  skb_clone+0x1bb/0x500
[  304.509812]  ? finish_task_switch+0x2f5/0x900
[  304.514318]  ? skb_split+0x11e0/0x11e0
[  304.518212]  ? preempt_notifier_register+0x200/0x200
[  304.523319]  ? __switch_to_asm+0x34/0x70
[  304.527381]  ? __switch_to_asm+0x34/0x70
[  304.531440]  ? __switch_to_asm+0x40/0x70
[  304.535503]  ? __switch_to_asm+0x34/0x70
[  304.539563]  ? __switch_to_asm+0x40/0x70
[  304.543624]  ? __switch_to_asm+0x34/0x70
[  304.547700]  ? __switch_to_asm+0x40/0x70
[  304.551760]  ? __switch_to_asm+0x34/0x70
[  304.555836]  ? __switch_to_asm+0x34/0x70
[  304.559891]  ? __switch_to_asm+0x40/0x70
[  304.563951]  ? __switch_to_asm+0x34/0x70
[  304.568039]  bpf_clone_redirect+0xb9/0x490
[  304.572274]  ? __schedule+0x874/0x1ed0
[  304.576169]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  304.581203]  ? __sched_text_start+0x8/0x8
[  304.585355]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  304.590163]  ? find_held_lock+0x36/0x1c0
[  304.594252]  ? lock_acquire+0x1ed/0x520
[  304.598227]  ? bpf_test_run+0x32e/0x5a0
[  304.602206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.607907]  ? check_preemption_disabled+0x48/0x200
[  304.612948]  ? kasan_check_read+0x11/0x20
[  304.617124]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.622417]  ? rcu_bh_qs+0xc0/0xc0
[  304.625989]  ? preempt_schedule+0x4d/0x60
[  304.630154]  ? ___preempt_schedule+0x16/0x18
[  304.634589]  ? bpf_test_run+0x1c0/0x5a0
[  304.638578]  ? netlink_diag_dump+0x2a0/0x2a0
[  304.642991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.648531]  ? bpf_test_init.isra.9+0x70/0x100
[  304.653132]  ? bpf_prog_test_run_skb+0x634/0xb40
[  304.657917]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  304.662761]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  304.668300]  ? fput+0x130/0x1a0
[  304.671584]  ? __bpf_prog_get+0x9b/0x290
[  304.675654]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  304.680497]  ? bpf_prog_test_run+0x130/0x1a0
[  304.684911]  ? __x64_sys_bpf+0x3d8/0x510
[  304.688973]  ? bpf_prog_get+0x20/0x20
[  304.692797]  ? do_syscall_64+0x1b9/0x820
[  304.696861]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  304.702228]  ? syscall_return_slowpath+0x5e0/0x5e0
[  304.707157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.712006]  ? trace_hardirqs_off+0x300/0x300
[  304.716503]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  304.721523]  ? prepare_exit_to_usermode+0x291/0x3b0
[  304.726549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.731420]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  304.736820] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  304.736890] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  304.743661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.743666] Call Trace:
[  304.743684]  dump_stack+0x1c4/0x2b4
[  304.743701]  ? dump_stack_print_info.cold.2+0x52/0x52
[  304.743728]  warn_alloc.cold.118+0xb7/0x1bd
[  304.750331] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  304.759547]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.759566]  ? lock_downgrade+0x900/0x900
[  304.762298] syz-executor4 cpuset=
[  304.765953]  ? trace_hardirqs_off+0xb8/0x300
[  304.771272] syz4
[  304.775542]  ? trace_hardirqs_off+0xb8/0x300
[  304.775566]  __alloc_pages_slowpath+0x2667/0x2d80
[  304.775631]  ? warn_alloc+0x120/0x120
[  304.786256]  mems_allowed=0
[  304.791181]  ? warn_alloc+0x120/0x120
[  304.824824]  ? print_usage_bug+0xc0/0xc0
[  304.828911]  ? warn_alloc+0x120/0x120
[  304.832709]  ? print_usage_bug+0xc0/0xc0
[  304.836786]  ? __lock_acquire+0x7ec/0x4ec0
[  304.841020]  ? __lock_acquire+0x7ec/0x4ec0
[  304.845263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.850803]  ? should_fail+0x22d/0xd01
[  304.854700]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.859820]  ? __lock_acquire+0x7ec/0x4ec0
[  304.864060]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.869161]  ? __lock_acquire+0x7ec/0x4ec0
[  304.873397]  ? should_fail+0x22d/0xd01
[  304.877282]  ? print_usage_bug+0xc0/0xc0
[  304.881358]  ? mark_held_locks+0x130/0x130
[  304.885600]  ? mark_held_locks+0x130/0x130
[  304.889847]  ? graph_lock+0x170/0x170
[  304.893662]  ? print_usage_bug+0xc0/0xc0
[  304.897741]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  304.902498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.908050]  ? check_preemption_disabled+0x48/0x200
[  304.913062]  ? check_preemption_disabled+0x48/0x200
[  304.918092]  ? __lock_is_held+0xb5/0x140
[  304.922169]  __alloc_pages_nodemask+0xa80/0xde0
[  304.926839]  ? graph_lock+0x170/0x170
[  304.930648]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  304.935665]  ? graph_lock+0x170/0x170
[  304.939478]  ? find_held_lock+0x36/0x1c0
[  304.943553]  ? ____cache_alloc_node+0x1c7/0x1e0
[  304.948223]  ? lock_downgrade+0x900/0x900
[  304.952387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.957931]  cache_grow_begin+0x91/0x8c0
[  304.962000]  ? do_raw_spin_unlock+0xa7/0x2f0
[  304.966416]  fallback_alloc+0x203/0x2e0
[  304.970400]  ____cache_alloc_node+0x1c7/0x1e0
[  304.974902]  kmem_cache_alloc_node+0xe3/0x730
[  304.979401]  ? ipv6_get_ifaddr+0x42e/0x620
[  304.983654]  __alloc_skb+0x119/0x770
[  304.987369]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.992654]  ? skb_scrub_packet+0x490/0x490
[  304.996978]  ? lock_downgrade+0x900/0x900
[  305.001178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.006717]  ? refcount_sub_and_test_checked+0x203/0x310
[  305.012175]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  305.017633]  ? addrconf_rs_timer+0x6f0/0x6f0
[  305.022060]  ndisc_alloc_skb+0x144/0x340
[  305.026140]  ndisc_send_rs+0x331/0x6e0
[  305.030036]  addrconf_rs_timer+0x3c0/0x6f0
[  305.034278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.038531]  call_timer_fn+0x272/0x920
[  305.042419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.046658]  ? process_timeout+0x40/0x40
[  305.050718]  ? find_held_lock+0x36/0x1c0
[  305.054789]  ? __run_timers+0x7da/0xc70
[  305.058767]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.063261]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.067757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.071990]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  305.076593]  ? trace_hardirqs_on+0xbd/0x310
[  305.080920]  ? kasan_check_read+0x11/0x20
[  305.085071]  ? __run_timers+0x7da/0xc70
[  305.089051]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.094509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.098755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.102994]  __run_timers+0x7e5/0xc70
[  305.106810]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  305.112186]  ? compat_start_thread+0x80/0x80
[  305.116601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.122171]  ? kasan_check_write+0x14/0x20
[  305.126408]  ? finish_task_switch+0x2f5/0x900
[  305.130907]  ? __switch_to_asm+0x40/0x70
[  305.134975]  ? preempt_notifier_register+0x200/0x200
[  305.140081]  ? __switch_to_asm+0x34/0x70
[  305.144150]  ? __switch_to_asm+0x40/0x70
[  305.148212]  ? __switch_to_asm+0x34/0x70
[  305.152271]  ? __switch_to_asm+0x40/0x70
[  305.156335]  ? __switch_to_asm+0x34/0x70
[  305.160396]  ? __switch_to_asm+0x40/0x70
[  305.164470]  ? pvclock_read_flags+0x160/0x160
[  305.168969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.174509]  ? check_preemption_disabled+0x48/0x200
[  305.179539]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  305.185080]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  305.190366]  ? rcu_pm_notify+0xc0/0xc0
[  305.194258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.199796]  ? check_preemption_disabled+0x48/0x200
[  305.204824]  run_timer_softirq+0x52/0xb0
[  305.208885]  ? rcu_read_lock_sched_held+0x108/0x120
[  305.213917]  __do_softirq+0x30b/0xad8
[  305.217746]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  305.223039]  ? schedule+0x108/0x460
[  305.226673]  ? __schedule+0x1ed0/0x1ed0
[  305.230662]  ? trace_hardirqs_off+0xb8/0x300
[  305.235074]  ? ___might_sleep+0x1ed/0x300
[  305.239220]  ? smpboot_thread_fn+0x68b/0xa00
[  305.243634]  ? trace_hardirqs_on+0x310/0x310
[  305.248047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.253583]  ? check_preemption_disabled+0x48/0x200
[  305.258600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.264150]  ? takeover_tasklets+0xa90/0xa90
[  305.268567]  run_ksoftirqd+0x94/0x100
[  305.272367]  smpboot_thread_fn+0x68b/0xa00
[  305.276635]  ? sort_range+0x30/0x30
[  305.280265]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  305.285372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.290944]  ? __kthread_parkme+0xfb/0x1a0
[  305.295200]  kthread+0x35a/0x420
[  305.298566]  ? sort_range+0x30/0x30
[  305.302194]  ? kthread_bind+0x40/0x40
[  305.306008]  ret_from_fork+0x3a/0x50
[  305.309740] warn_alloc_show_mem: 1 callbacks suppressed
[  305.309752] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  305.309754] Mem-Info:
[  305.309786] active_anon:44072 inactive_anon:951 isolated_anon:0
[  305.309786]  active_file:15 inactive_file:18 isolated_file:0
[  305.309786]  unevictable:0 dirty:0 writeback:0 unstable:0
[  305.309786]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  305.309786]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  305.309786]  free:13779 free_pcp:230 free_cma:0
[  305.315131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.322325] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  305.324724] Call Trace:
[  305.357689] Node 0 
[  305.367031]  <IRQ>
[  305.394811] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  305.397368]  dump_stack+0x1c4/0x2b4
[  305.399576] lowmem_reserve[]:
[  305.401724]  ? dump_stack_print_info.cold.2+0x52/0x52
[  305.427201]  0
[  305.430829]  warn_alloc.cold.118+0xb7/0x1bd
[  305.433900]  2815
[  305.439082]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.440861]  6318
[  305.445183]  ? lock_downgrade+0x900/0x900
[  305.447222]  6318
[  305.452062]  ? trace_hardirqs_off+0xb8/0x300
[  305.458256]  ? trace_hardirqs_off+0xb8/0x300
[  305.460299] Node 0 
[  305.464705]  __alloc_pages_slowpath+0x2667/0x2d80
[  305.469118] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  305.471344]  ? warn_alloc+0x120/0x120
[  305.476369] lowmem_reserve[]: 0
[  305.503272]  ? warn_alloc+0x120/0x120
[  305.507043]  0
[  305.510315]  ? print_usage_bug+0xc0/0xc0
[  305.514086]  3503
[  305.515886]  ? warn_alloc+0x120/0x120
[  305.519931]  3503
[  305.521987]  ? print_usage_bug+0xc0/0xc0
[  305.527819]  ? print_usage_bug+0xc0/0xc0
[  305.531855] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  305.535938]  ? warn_alloc+0x120/0x120
[  305.535957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.564904] lowmem_reserve[]:
[  305.568711]  ? should_fail+0x22d/0xd01
[  305.574219]  0
[  305.577318]  ? print_usage_bug+0xc0/0xc0
[  305.581181]  0
[  305.582975]  ? print_usage_bug+0xc0/0xc0
[  305.587010]  0
[  305.588810]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.592842]  0
[  305.594643]  ? __lock_acquire+0x7ec/0x4ec0
[  305.601519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.605740] Node 0 
[  305.610832]  ? should_fail+0x22d/0xd01
[  305.610842] DMA: 
[  305.613077]  ? mark_held_locks+0x130/0x130
[  305.616937] 1*4kB 
[  305.618993]  ? mark_held_locks+0x130/0x130
[  305.623203] (U) 
[  305.625345]  ? mark_held_locks+0x130/0x130
[  305.629556] 0*8kB 
[  305.631525]  ? __lock_acquire+0x7ec/0x4ec0
[  305.635734] 0*16kB 
[  305.637894]  ? graph_lock+0x170/0x170
[  305.642101] 1*32kB 
[  305.644341]  ? mark_held_locks+0x130/0x130
[  305.648128] (U) 
[  305.650360]  ? mark_held_locks+0x130/0x130
[  305.654571] 2*64kB 
[  305.656542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.660748] (U) 
[  305.662975]  ? check_preemption_disabled+0x48/0x200
[  305.668485] 1*128kB 
[  305.670450]  ? check_preemption_disabled+0x48/0x200
[  305.675440] (U) 
[  305.677762]  ? __lock_is_held+0xb5/0x140
[  305.682760] 1*256kB 
[  305.684743]  __alloc_pages_nodemask+0xa80/0xde0
[  305.688772] (U) 
[  305.691087]  ? graph_lock+0x170/0x170
[  305.695733] 0*512kB 
[  305.697702]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  305.701476] 1*1024kB 
[  305.703788]  ? graph_lock+0x170/0x170
[  305.708778] (U) 
[  305.711189]  ? find_held_lock+0x36/0x1c0
[  305.714963] 1*2048kB 
[  305.716938]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.720966] (M) 
[  305.723367]  ? lock_downgrade+0x900/0x900
[  305.728026] 3*4096kB 
[  305.730001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.734129] (M) 
[  305.736546]  cache_grow_begin+0x91/0x8c0
[  305.742052] = 15908kB
[  305.744022]  ? do_raw_spin_unlock+0xa7/0x2f0
[  305.748055] Node 0 
[  305.750464]  fallback_alloc+0x203/0x2e0
[  305.754841] DMA32: 
[  305.757074]  ____cache_alloc_node+0x1c7/0x1e0
[  305.761018] 1*4kB 
[  305.763261]  kmem_cache_alloc_node+0xe3/0x730
[  305.767728] (M) 
[  305.769872]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  305.774338] 3*8kB 
[  305.776305]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  305.781378] (UM) 
[  305.783523]  __alloc_skb+0x119/0x770
[  305.788072] 0*16kB 
[  305.790139]  ? calc_wheel_index+0x220/0x220
[  305.793825] 3*32kB 
[  305.796084]  ? skb_scrub_packet+0x490/0x490
[  305.800379] (UM) 
[  305.802609]  ? lock_acquire+0x1ed/0x520
[  305.806910] 2*64kB 
[  305.808964]  ? aoecmd_cfg+0x108/0x7f0
[  305.812914] (M) 
[  305.815156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.818931] 5*128kB 
[  305.820901]  ? check_preemption_disabled+0x48/0x200
[  305.826413] (UM) 
[  305.828729]  ? kasan_check_read+0x11/0x20
[  305.833731] 3*256kB 
[  305.835802]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  305.839919] (M) 
[  305.842234]  ? rcu_bh_qs+0xc0/0xc0
[  305.847489] 4*512kB 
[  305.849463]  new_skb+0x26/0x1c0
[  305.852972] (M) 
[  305.855287]  aoecmd_cfg+0x279/0x7f0
[  305.858544] 3*1024kB 
[  305.860511]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  305.864124] (UM) 
[  305.866530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.870821] 3*2048kB 
[  305.872878]  ? check_preemption_disabled+0x48/0x200
[  305.878385] (M) 
[  305.880785]  ? check_preemption_disabled+0x48/0x200
[  305.885775] 3*4096kB 
[  305.887768]  ? __lock_is_held+0xb5/0x140
[  305.892748] (M) 
[  305.895162]  discover_timer+0x50/0x60
[  305.899193] = 25212kB
[  305.901162]  call_timer_fn+0x272/0x920
[  305.904937] Node 0 
[  305.907344]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  305.911204] Normal: 
[  305.913437]  ? process_timeout+0x40/0x40
[  305.918249] 887*4kB 
[  305.920568]  ? find_held_lock+0x36/0x1c0
[  305.924600] (UME) 
[  305.926921]  ? __run_timers+0x7da/0xc70
[  305.930952] 378*8kB 
[  305.933098]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.937050] (UMEH) 
[  305.939376]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.943844] 172*16kB 
[  305.946077]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  305.950541] (UMEH) 
[  305.952944]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  305.957760] 106*32kB 
[  305.959989]  ? trace_hardirqs_on+0xbd/0x310
[  305.964543] (UMEH) 
[  305.966945]  ? kasan_check_read+0x11/0x20
[  305.971242] 16*64kB 
[  305.973474]  ? __run_timers+0x7da/0xc70
[  305.977594] (UMH) 
[  305.979913]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.983854] 0*128kB 1*256kB 
[  305.986016]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  305.991432] (H) 
[  305.994449]  __run_timers+0x7e5/0xc70
[  305.999267] 0*512kB 
[  306.001243]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  306.005008] 0*1024kB 
[  306.007325]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.012661] 0*2048kB 
[  306.015064]  ? graph_lock+0x170/0x170
[  306.020052] 0*4096kB 
[  306.022452]  ? enqueue_hrtimer+0x1a5/0x560
[  306.026224] = 13996kB
[  306.028627]  ? lock_release+0x970/0x970
[  306.032845] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  306.035240]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  306.039196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  306.048022]  ? find_held_lock+0x36/0x1c0
[  306.053184] 4508 total pagecache pages
[  306.061761]  ? graph_lock+0x170/0x170
[  306.065798] 0 pages in swap cache
[  306.069672]  ? pvclock_read_flags+0x160/0x160
[  306.073448] Swap cache stats: add 0, delete 0, find 0/0
[  306.076888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.081355] Free swap  = 0kB
[  306.086711]  ? check_preemption_disabled+0x48/0x200
[  306.092219] Total swap = 0kB
[  306.095238]  ? __lock_is_held+0xb5/0x140
[  306.100220] 1965979 pages RAM
[  306.103229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.107262] 0 pages HighMem/MovableOnly
[  306.110356]  ? check_preemption_disabled+0x48/0x200
[  306.115884] 343323 pages reserved
[  306.119857]  run_timer_softirq+0x52/0xb0
[  306.124846] 0 pages cma reserved
[  306.128291]  ? rcu_read_lock_sched_held+0x108/0x120
[  306.132416] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  306.135686]  __do_softirq+0x30b/0xad8
[  306.140769] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.147171]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  306.150938] ksoftirqd/1 cpuset=
[  306.161256]  ? pvclock_read_flags+0x160/0x160
[  306.166332] /
[  306.169602]  ? lapic_next_event+0x5a/0x90
[  306.174087]  mems_allowed=0
[  306.175795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.188357]  ? check_preemption_disabled+0x48/0x200
[  306.193369]  ? check_preemption_disabled+0x48/0x200
[  306.198395]  ? kvm_clock_read+0x18/0x30
[  306.202374]  ? kvm_sched_clock_read+0x9/0x20
[  306.206788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.212327]  ? check_preemption_disabled+0x48/0x200
[  306.217357]  irq_exit+0x17f/0x1c0
[  306.220816]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.225659]  ? smp_reschedule_interrupt+0x109/0x650
[  306.230680]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.236566]  ? interrupt_entry+0xb5/0xf0
[  306.240632]  ? trace_hardirqs_off_caller+0xbb/0x300
[  306.245648]  ? trace_hardirqs_off_caller+0xbb/0x300
[  306.250669]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.255512]  ? trace_hardirqs_off+0x300/0x300
[  306.260010]  ? trace_hardirqs_off+0x300/0x300
[  306.264512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.270046]  ? check_preemption_disabled+0x48/0x200
[  306.275059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.280606]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.285495]  apic_timer_interrupt+0xf/0x20
[  306.289723]  </IRQ>
[  306.291967] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  306.296900] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  306.315811] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  306.323528] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  306.330797] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  306.338085] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  306.345364] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  306.352629] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  306.359946]  skb_clone+0x1bb/0x500
[  306.363489]  ? finish_task_switch+0x2f5/0x900
[  306.367984]  ? skb_split+0x11e0/0x11e0
[  306.371875]  ? preempt_notifier_register+0x200/0x200
[  306.376980]  ? __switch_to_asm+0x34/0x70
[  306.381040]  ? __switch_to_asm+0x34/0x70
[  306.385101]  ? __switch_to_asm+0x40/0x70
[  306.389175]  ? __switch_to_asm+0x34/0x70
[  306.393233]  ? __switch_to_asm+0x40/0x70
[  306.397295]  ? __switch_to_asm+0x34/0x70
[  306.401354]  ? __switch_to_asm+0x40/0x70
[  306.405415]  ? __switch_to_asm+0x34/0x70
[  306.409476]  ? __switch_to_asm+0x34/0x70
[  306.413536]  ? __switch_to_asm+0x40/0x70
[  306.417608]  ? __switch_to_asm+0x34/0x70
[  306.421680]  bpf_clone_redirect+0xb9/0x490
[  306.425922]  ? __schedule+0x874/0x1ed0
[  306.429816]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  306.434928]  ? __sched_text_start+0x8/0x8
[  306.439078]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.443862]  ? find_held_lock+0x36/0x1c0
[  306.447932]  ? lock_acquire+0x1ed/0x520
[  306.451909]  ? bpf_test_run+0x32e/0x5a0
[  306.455885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.461423]  ? check_preemption_disabled+0x48/0x200
[  306.466441]  ? kasan_check_read+0x11/0x20
[  306.470601]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.476380]  ? rcu_bh_qs+0xc0/0xc0
[  306.479927]  ? preempt_schedule+0x4d/0x60
[  306.484079]  ? ___preempt_schedule+0x16/0x18
[  306.488500]  ? bpf_test_run+0x1c0/0x5a0
[  306.492486]  ? netlink_diag_dump+0x2a0/0x2a0
[  306.496903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.502440]  ? bpf_test_init.isra.9+0x70/0x100
[  306.507029]  ? bpf_prog_test_run_skb+0x634/0xb40
[  306.511795]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  306.516639]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  306.522175]  ? fput+0x130/0x1a0
[  306.525457]  ? __bpf_prog_get+0x9b/0x290
[  306.529519]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  306.534361]  ? bpf_prog_test_run+0x130/0x1a0
[  306.538775]  ? __x64_sys_bpf+0x3d8/0x510
[  306.542838]  ? bpf_prog_get+0x20/0x20
[  306.546661]  ? do_syscall_64+0x1b9/0x820
[  306.550723]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  306.556090]  ? syscall_return_slowpath+0x5e0/0x5e0
[  306.561034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.565881]  ? trace_hardirqs_off+0x300/0x300
[  306.570379]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  306.575399]  ? prepare_exit_to_usermode+0x291/0x3b0
[  306.580431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.585292]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  306.591025] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  306.591128] aoe: skb alloc failure
[  306.597871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.597880] Call Trace:
[  306.601471] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.611294]  dump_stack+0x1c4/0x2b4
[  306.613860] syz-executor4 cpuset=
[  306.624337]  ? dump_stack_print_info.cold.2+0x52/0x52
[  306.627939] syz4
[  306.631397]  warn_alloc.cold.118+0xb7/0x1bd
[  306.636552]  mems_allowed=0
[  306.638520]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.650568]  ? lock_downgrade+0x900/0x900
[  306.654726]  ? trace_hardirqs_off+0xb8/0x300
[  306.659150]  ? trace_hardirqs_off+0xb8/0x300
[  306.663572]  __alloc_pages_slowpath+0x2667/0x2d80
[  306.668449]  ? warn_alloc+0x120/0x120
[  306.672260]  ? warn_alloc+0x120/0x120
[  306.676066]  ? print_usage_bug+0xc0/0xc0
[  306.680137]  ? warn_alloc+0x120/0x120
[  306.683940]  ? print_usage_bug+0xc0/0xc0
[  306.688003]  ? __lock_acquire+0x7ec/0x4ec0
[  306.692237]  ? __lock_acquire+0x7ec/0x4ec0
[  306.696474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.702011]  ? should_fail+0x22d/0xd01
[  306.705905]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.711007]  ? __lock_acquire+0x7ec/0x4ec0
[  306.715246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.720347]  ? __lock_acquire+0x7ec/0x4ec0
[  306.724585]  ? should_fail+0x22d/0xd01
[  306.728474]  ? print_usage_bug+0xc0/0xc0
[  306.732549]  ? mark_held_locks+0x130/0x130
[  306.736793]  ? mark_held_locks+0x130/0x130
[  306.741041]  ? graph_lock+0x170/0x170
[  306.744840]  ? print_usage_bug+0xc0/0xc0
[  306.748904]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.753664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.759199]  ? check_preemption_disabled+0x48/0x200
[  306.764214]  ? check_preemption_disabled+0x48/0x200
[  306.769245]  ? __lock_is_held+0xb5/0x140
[  306.773320]  __alloc_pages_nodemask+0xa80/0xde0
[  306.777994]  ? graph_lock+0x170/0x170
[  306.781803]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  306.786818]  ? graph_lock+0x170/0x170
[  306.790651]  ? find_held_lock+0x36/0x1c0
[  306.794742]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.799418]  ? lock_downgrade+0x900/0x900
[  306.803577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.809130]  cache_grow_begin+0x91/0x8c0
[  306.813197]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.817614]  fallback_alloc+0x203/0x2e0
[  306.821604]  ____cache_alloc_node+0x1c7/0x1e0
[  306.826121]  kmem_cache_alloc_node+0xe3/0x730
[  306.830629]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.834876]  __alloc_skb+0x119/0x770
[  306.838593]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.843880]  ? skb_scrub_packet+0x490/0x490
[  306.848202]  ? lock_downgrade+0x900/0x900
[  306.852359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.857898]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.863352]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.868805]  ? addrconf_rs_timer+0x6f0/0x6f0
[  306.873226]  ndisc_alloc_skb+0x144/0x340
[  306.877293]  ndisc_send_rs+0x331/0x6e0
[  306.881186]  addrconf_rs_timer+0x3c0/0x6f0
[  306.885433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.889682]  call_timer_fn+0x272/0x920
[  306.893571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.897806]  ? process_timeout+0x40/0x40
[  306.901865]  ? find_held_lock+0x36/0x1c0
[  306.905939]  ? __run_timers+0x7da/0xc70
[  306.909922]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.914415]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.918910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.923150]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  306.927735]  ? trace_hardirqs_on+0xbd/0x310
[  306.932057]  ? kasan_check_read+0x11/0x20
[  306.936210]  ? __run_timers+0x7da/0xc70
[  306.940190]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  306.945651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.949895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.954142]  __run_timers+0x7e5/0xc70
[  306.957960]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  306.963320]  ? compat_start_thread+0x80/0x80
[  306.967734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.973280]  ? kasan_check_write+0x14/0x20
[  306.977517]  ? finish_task_switch+0x2f5/0x900
[  306.982016]  ? __switch_to_asm+0x40/0x70
[  306.986086]  ? preempt_notifier_register+0x200/0x200
[  306.991197]  ? __switch_to_asm+0x34/0x70
[  306.995257]  ? __switch_to_asm+0x40/0x70
[  306.999314]  ? __switch_to_asm+0x34/0x70
[  307.003376]  ? __switch_to_asm+0x40/0x70
[  307.007434]  ? __switch_to_asm+0x34/0x70
[  307.011493]  ? __switch_to_asm+0x40/0x70
[  307.015567]  ? pvclock_read_flags+0x160/0x160
[  307.020065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.025600]  ? check_preemption_disabled+0x48/0x200
[  307.030638]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  307.036175]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.041453]  ? rcu_pm_notify+0xc0/0xc0
[  307.045343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.050881]  ? check_preemption_disabled+0x48/0x200
[  307.055905]  run_timer_softirq+0x52/0xb0
[  307.059966]  ? rcu_read_lock_sched_held+0x108/0x120
[  307.064988]  __do_softirq+0x30b/0xad8
[  307.068800]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  307.073910]  ? schedule+0x108/0x460
[  307.077540]  ? __schedule+0x1ed0/0x1ed0
[  307.081524]  ? trace_hardirqs_off+0xb8/0x300
[  307.085935]  ? ___might_sleep+0x1ed/0x300
[  307.090083]  ? smpboot_thread_fn+0x68b/0xa00
[  307.094500]  ? trace_hardirqs_on+0x310/0x310
[  307.098912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.104448]  ? check_preemption_disabled+0x48/0x200
[  307.109461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.115005]  ? takeover_tasklets+0xa90/0xa90
[  307.119416]  run_ksoftirqd+0x94/0x100
[  307.123222]  smpboot_thread_fn+0x68b/0xa00
[  307.127461]  ? sort_range+0x30/0x30
[  307.131089]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.136200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.141743]  ? __kthread_parkme+0xfb/0x1a0
[  307.145984]  kthread+0x35a/0x420
[  307.149351]  ? sort_range+0x30/0x30
[  307.152975]  ? kthread_bind+0x40/0x40
[  307.156777]  ret_from_fork+0x3a/0x50
[  307.160521] warn_alloc_show_mem: 1 callbacks suppressed
[  307.160533] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  307.160534] Mem-Info:
[  307.160568] active_anon:44072 inactive_anon:951 isolated_anon:0
[  307.160568]  active_file:15 inactive_file:18 isolated_file:0
[  307.160568]  unevictable:0 dirty:0 writeback:0 unstable:0
[  307.160568]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  307.160568]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  307.160568]  free:13779 free_pcp:230 free_cma:0
[  307.165906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.173094] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  307.175494] Call Trace:
[  307.208459] Node 0 
[  307.217811]  <IRQ>
[  307.245655] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  307.248211]  dump_stack+0x1c4/0x2b4
[  307.250418] lowmem_reserve[]:
[  307.252562]  ? dump_stack_print_info.cold.2+0x52/0x52
[  307.278043]  0 2815
[  307.281697]  warn_alloc.cold.118+0xb7/0x1bd
[  307.284757]  6318
[  307.289945]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.292159]  6318
[  307.296473]  ? lock_downgrade+0x900/0x900
[  307.303357]  ? trace_hardirqs_off+0xb8/0x300
[  307.305392] Node 0 
[  307.309534]  ? trace_hardirqs_off+0xb8/0x300
[  307.313944] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  307.316170]  __alloc_pages_slowpath+0x2667/0x2d80
[  307.320545] lowmem_reserve[]:
[  307.347468]  ? warn_alloc+0x120/0x120
[  307.352267]  0
[  307.355373]  ? warn_alloc+0x120/0x120
[  307.359144]  0
[  307.360943]  ? print_usage_bug+0xc0/0xc0
[  307.364717]  3503
[  307.366517]  ? warn_alloc+0x120/0x120
[  307.370550]  3503
[  307.372611]  ? print_usage_bug+0xc0/0xc0
[  307.376394] Node 0 
[  307.378460]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  307.382521] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  307.384728]  ? ktime_get+0x2e1/0x440
[  307.389713] lowmem_reserve[]: 0
[  307.418100]  ? check_preemption_disabled+0x48/0x200
[  307.421796]  0
[  307.425075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.430094]  0
[  307.431925]  ? should_fail+0x22d/0xd01
[  307.437434]  0
[  307.439269]  ? kasan_check_read+0x11/0x20
[  307.444940]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.449062] Node 0 DMA: 
[  307.454339]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.454356]  ? __lock_acquire+0x7ec/0x4ec0
[  307.457008] 1*4kB 
[  307.462134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.466334] (U) 
[  307.468482]  ? should_fail+0x22d/0xd01
[  307.474039] 0*8kB 
[  307.476023]  ? mark_held_locks+0x130/0x130
[  307.479875] 0*16kB 
[  307.482020]  ? mark_held_locks+0x130/0x130
[  307.486229] 1*32kB 
[  307.488458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.488482]  ? graph_lock+0x170/0x170
[  307.492686] (U) 
[  307.494919]  ? mark_held_locks+0xc7/0x130
[  307.500434] 2*64kB 
[  307.504249]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  307.506195] (U) 
[  307.510337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.512551] 1*128kB 
[  307.517567]  ? check_preemption_disabled+0x48/0x200
[  307.519518] (U) 
[  307.525045]  ? check_preemption_disabled+0x48/0x200
[  307.527349] 1*256kB 
[  307.532369]  ? __lock_is_held+0xb5/0x140
[  307.534315] (U) 
[  307.539328]  __alloc_pages_nodemask+0xa80/0xde0
[  307.541630] 0*512kB 
[  307.545682]  ? graph_lock+0x170/0x170
[  307.547637] 1*1024kB 
[  307.552297]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  307.554592] (U) 
[  307.558387]  ? graph_lock+0x170/0x170
[  307.560773] 1*2048kB 
[  307.565789]  ? find_held_lock+0x36/0x1c0
[  307.567735] (M) 
[  307.571531]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.573911] 3*4096kB 
[  307.577966]  ? lock_downgrade+0x900/0x900
[  307.579915] (M) 
[  307.584582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.586963] = 15908kB
[  307.591106]  cache_grow_begin+0x91/0x8c0
[  307.593324] Node 0 
[  307.599826]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.602210] DMA32: 
[  307.606271]  fallback_alloc+0x203/0x2e0
[  307.608480] 1*4kB 
[  307.612881]  ____cache_alloc_node+0x1c7/0x1e0
[  307.615093] (M) 
[  307.619071]  kmem_cache_alloc_node+0xe3/0x730
[  307.621240] 3*8kB 
[  307.625727]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  307.627675] (UM) 
[  307.632167]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  307.634290] 0*16kB 
[  307.639386]  __alloc_skb+0x119/0x770
[  307.641421] 3*32kB 
[  307.646005]  ? calc_wheel_index+0x220/0x220
[  307.648211] (UM) 
[  307.651922]  ? skb_scrub_packet+0x490/0x490
[  307.654138] 2*64kB 
[  307.658455]  ? vprintk_default+0x28/0x30
[  307.660488] (M) 
[  307.664798]  ? vprintk_func+0x85/0x181
[  307.667014] 5*128kB 
[  307.671068]  ? printk+0xa7/0xcf
[  307.673018] (UM) 
[  307.676897]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  307.679194] 3*256kB 
[  307.682471]  new_skb+0x26/0x1c0
[  307.684502] (M) 
[  307.689247]  aoecmd_cfg+0x279/0x7f0
[  307.691549] 4*512kB 
[  307.694821]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  307.696770] (M) 
[  307.700391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.702689] 3*1024kB 
[  307.707000]  ? check_preemption_disabled+0x48/0x200
[  307.708948] (UM) 
[  307.714479]  ? check_preemption_disabled+0x48/0x200
[  307.716869] 3*2048kB 
[  307.721886]  ? __lock_is_held+0xb5/0x140
[  307.723913] (M) 
[  307.728929]  discover_timer+0x50/0x60
[  307.731302] 3*4096kB (M) 
[  307.735365]  call_timer_fn+0x272/0x920
[  307.737317] = 25212kB
[  307.741108]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  307.743850] Node 0 
[  307.747730]  ? process_timeout+0x40/0x40
[  307.750137] Normal: 
[  307.754971]  ? find_held_lock+0x36/0x1c0
[  307.757187] 887*4kB 
[  307.761245]  ? __run_timers+0x7da/0xc70
[  307.763540] (UME) 
[  307.767594]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.769899] 378*8kB 
[  307.773861]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.775983] (UMEH) 
[  307.780474]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  307.782776] 172*16kB 
[  307.787261]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  307.789469] (UMEH) 
[  307.794306]  ? trace_hardirqs_on+0xbd/0x310
[  307.796692] 106*32kB 
[  307.801262]  ? kasan_check_read+0x11/0x20
[  307.803476] (UMEH) 
[  307.807794]  ? __run_timers+0x7da/0xc70
[  307.810177] 16*64kB 
[  307.814317]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.816527] (UMH) 
[  307.820502]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  307.822792] 0*128kB 
[  307.828239]  __run_timers+0x7e5/0xc70
[  307.830361] 1*256kB 
[  307.835218]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  307.837510] (H) 
[  307.841304]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  307.843599] 0*512kB 
[  307.848976]  ? graph_lock+0x170/0x170
[  307.850926] 0*1024kB 
[  307.855932]  ? enqueue_hrtimer+0x1a5/0x560
[  307.858235] 0*2048kB 
[  307.862025]  ? lock_release+0x970/0x970
[  307.864413] 0*4096kB 
[  307.868641]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  307.871031] = 13996kB
[  307.875001]  ? find_held_lock+0x36/0x1c0
[  307.877388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  307.882562]  ? graph_lock+0x170/0x170
[  307.884953] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  307.889001]  ? pvclock_read_flags+0x160/0x160
[  307.897814] 4508 total pagecache pages
[  307.901609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.910160] 0 pages in swap cache
[  307.914645]  ? check_preemption_disabled+0x48/0x200
[  307.918507] Swap cache stats: add 0, delete 0, find 0/0
[  307.924042]  ? __lock_is_held+0xb5/0x140
[  307.927460] Free swap  = 0kB
[  307.932467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.937799] Total swap = 0kB
[  307.937807] 1965979 pages RAM
[  307.941859]  ? check_preemption_disabled+0x48/0x200
[  307.944850] 0 pages HighMem/MovableOnly
[  307.950382]  run_timer_softirq+0x52/0xb0
[  307.953371] 343323 pages reserved
[  307.956467]  ? rcu_read_lock_sched_held+0x108/0x120
[  307.961454] 0 pages cma reserved
[  307.965422]  __do_softirq+0x30b/0xad8
[  307.969530] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.972907]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  307.972928]  ? pvclock_read_flags+0x160/0x160
[  307.977985] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.981286]  ? lapic_next_event+0x5a/0x90
[  307.985067] ksoftirqd/1 cpuset=
[  307.991553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.996636] /
[  308.001136]  ? check_preemption_disabled+0x48/0x200
[  308.011422]  mems_allowed=0
[  308.015562]  ? check_preemption_disabled+0x48/0x200
[  308.038966]  ? kvm_clock_read+0x18/0x30
[  308.042944]  ? kvm_sched_clock_read+0x9/0x20
[  308.047356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.052901]  ? check_preemption_disabled+0x48/0x200
[  308.057931]  irq_exit+0x17f/0x1c0
[  308.061410]  smp_apic_timer_interrupt+0x1cb/0x760
[  308.066257]  ? smp_reschedule_interrupt+0x109/0x650
[  308.071284]  ? smp_call_function_single_interrupt+0x650/0x650
[  308.077178]  ? interrupt_entry+0xb5/0xf0
[  308.081241]  ? trace_hardirqs_off_caller+0xbb/0x300
[  308.086257]  ? trace_hardirqs_off_caller+0xbb/0x300
[  308.091288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.096143]  ? trace_hardirqs_off+0x300/0x300
[  308.100641]  ? trace_hardirqs_off+0x300/0x300
[  308.105150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.110688]  ? check_preemption_disabled+0x48/0x200
[  308.115706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.121256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.126109]  apic_timer_interrupt+0xf/0x20
[  308.130351]  </IRQ>
[  308.132590] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  308.137521] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  308.156422] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  308.164144] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  308.171448] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  308.178719] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  308.185989] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  308.193260] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  308.200574]  skb_clone+0x1bb/0x500
[  308.204128]  ? finish_task_switch+0x2f5/0x900
[  308.208627]  ? skb_split+0x11e0/0x11e0
[  308.212519]  ? preempt_notifier_register+0x200/0x200
[  308.217624]  ? __switch_to_asm+0x34/0x70
[  308.221686]  ? __switch_to_asm+0x34/0x70
[  308.225746]  ? __switch_to_asm+0x40/0x70
[  308.229824]  ? __switch_to_asm+0x34/0x70
[  308.233882]  ? __switch_to_asm+0x40/0x70
[  308.237941]  ? __switch_to_asm+0x34/0x70
[  308.242000]  ? __switch_to_asm+0x40/0x70
[  308.246060]  ? __switch_to_asm+0x34/0x70
[  308.250134]  ? __switch_to_asm+0x34/0x70
[  308.254199]  ? __switch_to_asm+0x40/0x70
[  308.258262]  ? __switch_to_asm+0x34/0x70
[  308.262333]  bpf_clone_redirect+0xb9/0x490
[  308.266572]  ? __schedule+0x874/0x1ed0
[  308.270465]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  308.275485]  ? __sched_text_start+0x8/0x8
[  308.279632]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.284404]  ? find_held_lock+0x36/0x1c0
[  308.288475]  ? lock_acquire+0x1ed/0x520
[  308.292451]  ? bpf_test_run+0x32e/0x5a0
[  308.296435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.301973]  ? check_preemption_disabled+0x48/0x200
[  308.306994]  ? kasan_check_read+0x11/0x20
[  308.311154]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.316437]  ? rcu_bh_qs+0xc0/0xc0
[  308.319983]  ? preempt_schedule+0x4d/0x60
[  308.324147]  ? ___preempt_schedule+0x16/0x18
[  308.328566]  ? bpf_test_run+0x1c0/0x5a0
[  308.332553]  ? netlink_diag_dump+0x2a0/0x2a0
[  308.336967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.342507]  ? bpf_test_init.isra.9+0x70/0x100
[  308.347093]  ? bpf_prog_test_run_skb+0x634/0xb40
[  308.351870]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  308.356715]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  308.362255]  ? fput+0x130/0x1a0
[  308.365539]  ? __bpf_prog_get+0x9b/0x290
[  308.369604]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  308.374444]  ? bpf_prog_test_run+0x130/0x1a0
[  308.378855]  ? __x64_sys_bpf+0x3d8/0x510
[  308.382931]  ? bpf_prog_get+0x20/0x20
[  308.386755]  ? do_syscall_64+0x1b9/0x820
[  308.390818]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  308.396191]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.401135]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.405985]  ? trace_hardirqs_off+0x300/0x300
[  308.410485]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  308.415503]  ? prepare_exit_to_usermode+0x291/0x3b0
[  308.420529]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.425386]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  308.430770] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  308.430846] aoe: skb alloc failure
[  308.437611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.437620] Call Trace:
[  308.441216] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  308.450509]  dump_stack+0x1c4/0x2b4
[  308.453073] syz-executor4 cpuset=
[  308.463557]  ? dump_stack_print_info.cold.2+0x52/0x52
[  308.467155] syz4
[  308.470613]  warn_alloc.cold.118+0xb7/0x1bd
[  308.476208]  mems_allowed=0
[  308.478179]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.490226]  ? lock_downgrade+0x900/0x900
[  308.494384]  ? trace_hardirqs_off+0xb8/0x300
[  308.498802]  ? trace_hardirqs_off+0xb8/0x300
[  308.503225]  __alloc_pages_slowpath+0x2667/0x2d80
[  308.508123]  ? warn_alloc+0x120/0x120
[  308.511939]  ? warn_alloc+0x120/0x120
[  308.515748]  ? print_usage_bug+0xc0/0xc0
[  308.519810]  ? warn_alloc+0x120/0x120
[  308.523617]  ? print_usage_bug+0xc0/0xc0
[  308.527687]  ? __lock_acquire+0x7ec/0x4ec0
[  308.531925]  ? __lock_acquire+0x7ec/0x4ec0
[  308.536167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.541707]  ? should_fail+0x22d/0xd01
[  308.545601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.550715]  ? __lock_acquire+0x7ec/0x4ec0
[  308.554962]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.560070]  ? __lock_acquire+0x7ec/0x4ec0
[  308.564308]  ? should_fail+0x22d/0xd01
[  308.568222]  ? mark_held_locks+0x130/0x130
[  308.572467]  ? mark_held_locks+0x130/0x130
[  308.576709]  ? graph_lock+0x170/0x170
[  308.580522]  ? graph_lock+0x170/0x170
[  308.584332]  ? graph_lock+0x170/0x170
[  308.588144]  ? print_usage_bug+0xc0/0xc0
[  308.592209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.597754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.603295]  ? check_preemption_disabled+0x48/0x200
[  308.608780]  ? check_preemption_disabled+0x48/0x200
[  308.613816]  ? __lock_is_held+0xb5/0x140
[  308.617887]  __alloc_pages_nodemask+0xa80/0xde0
[  308.622563]  ? graph_lock+0x170/0x170
[  308.626377]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  308.631398]  ? graph_lock+0x170/0x170
[  308.635216]  ? find_held_lock+0x36/0x1c0
[  308.639289]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.643966]  ? lock_downgrade+0x900/0x900
[  308.648134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.653685]  cache_grow_begin+0x91/0x8c0
[  308.657752]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.662177]  fallback_alloc+0x203/0x2e0
[  308.666162]  ____cache_alloc_node+0x1c7/0x1e0
[  308.670668]  kmem_cache_alloc_node+0xe3/0x730
[  308.675169]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.679418]  __alloc_skb+0x119/0x770
[  308.683148]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.688436]  ? skb_scrub_packet+0x490/0x490
[  308.692774]  ? lock_downgrade+0x900/0x900
[  308.696936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.702480]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.707941]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.713397]  ? addrconf_rs_timer+0x6f0/0x6f0
[  308.717818]  ndisc_alloc_skb+0x144/0x340
[  308.721890]  ndisc_send_rs+0x331/0x6e0
[  308.725783]  addrconf_rs_timer+0x3c0/0x6f0
[  308.730027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.734283]  call_timer_fn+0x272/0x920
[  308.738174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.742416]  ? process_timeout+0x40/0x40
[  308.746475]  ? find_held_lock+0x36/0x1c0
[  308.750551]  ? __run_timers+0x7da/0xc70
[  308.754530]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.759025]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.763525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.767762]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  308.772350]  ? trace_hardirqs_on+0xbd/0x310
[  308.776672]  ? kasan_check_read+0x11/0x20
[  308.780823]  ? __run_timers+0x7da/0xc70
[  308.784800]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  308.790261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.794502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.798739]  __run_timers+0x7e5/0xc70
[  308.802555]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  308.807919]  ? compat_start_thread+0x80/0x80
[  308.812332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.817875]  ? kasan_check_write+0x14/0x20
[  308.822120]  ? finish_task_switch+0x2f5/0x900
[  308.826617]  ? __switch_to_asm+0x40/0x70
[  308.830694]  ? preempt_notifier_register+0x200/0x200
[  308.835802]  ? __switch_to_asm+0x34/0x70
[  308.839864]  ? __switch_to_asm+0x40/0x70
[  308.843935]  ? __switch_to_asm+0x34/0x70
[  308.847993]  ? __switch_to_asm+0x40/0x70
[  308.852054]  ? __switch_to_asm+0x34/0x70
[  308.856125]  ? __switch_to_asm+0x40/0x70
[  308.860208]  ? pvclock_read_flags+0x160/0x160
[  308.864708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.870244]  ? check_preemption_disabled+0x48/0x200
[  308.875274]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  308.880809]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.886094]  ? rcu_pm_notify+0xc0/0xc0
[  308.889993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.895533]  ? check_preemption_disabled+0x48/0x200
[  308.900559]  run_timer_softirq+0x52/0xb0
[  308.904621]  ? rcu_read_lock_sched_held+0x108/0x120
[  308.909656]  __do_softirq+0x30b/0xad8
[  308.913469]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  308.918584]  ? schedule+0x108/0x460
[  308.922215]  ? __schedule+0x1ed0/0x1ed0
[  308.926194]  ? trace_hardirqs_off+0xb8/0x300
[  308.930614]  ? ___might_sleep+0x1ed/0x300
[  308.934769]  ? smpboot_thread_fn+0x68b/0xa00
[  308.939188]  ? trace_hardirqs_on+0x310/0x310
[  308.943602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.949148]  ? check_preemption_disabled+0x48/0x200
[  308.954166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.959706]  ? takeover_tasklets+0xa90/0xa90
[  308.964128]  run_ksoftirqd+0x94/0x100
[  308.967934]  smpboot_thread_fn+0x68b/0xa00
[  308.972171]  ? sort_range+0x30/0x30
[  308.975815]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  308.980918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.986459]  ? __kthread_parkme+0xfb/0x1a0
[  308.990699]  kthread+0x35a/0x420
[  308.994062]  ? sort_range+0x30/0x30
[  308.997687]  ? kthread_bind+0x40/0x40
[  309.001494]  ret_from_fork+0x3a/0x50
[  309.005233] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  309.005239] warn_alloc_show_mem: 1 callbacks suppressed
[  309.005246] Mem-Info:
[  309.012443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.017813] active_anon:44072 inactive_anon:951 isolated_anon:0
[  309.017813]  active_file:15 inactive_file:18 isolated_file:0
[  309.017813]  unevictable:0 dirty:0 writeback:0 unstable:0
[  309.017813]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  309.017813]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  309.017813]  free:13779 free_pcp:230 free_cma:0
[  309.020184] Call Trace:
[  309.029572] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  309.062503]  <IRQ>
[  309.065075] Node 0 
[  309.092828]  dump_stack+0x1c4/0x2b4
[  309.094974] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  309.097193]  ? dump_stack_print_info.cold.2+0x52/0x52
[  309.100793] lowmem_reserve[]:
[  309.126305]  warn_alloc.cold.118+0xb7/0x1bd
[  309.131461]  0
[  309.134573]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.138880]  2815
[  309.140709]  ? lock_downgrade+0x900/0x900
[  309.145525]  6318
[  309.147588]  ? trace_hardirqs_off+0xb8/0x300
[  309.151708]  6318
[  309.153765]  ? trace_hardirqs_off+0xb8/0x300
[  309.160219]  __alloc_pages_slowpath+0x2667/0x2d80
[  309.164610] Node 0 DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  309.169477]  ? warn_alloc+0x120/0x120
[  309.169497]  ? warn_alloc+0x120/0x120
[  309.196973] lowmem_reserve[]:
[  309.200780]  ? print_usage_bug+0xc0/0xc0
[  309.204548]  0
[  309.207649]  ? warn_alloc+0x120/0x120
[  309.211681]  0
[  309.213479]  ? print_usage_bug+0xc0/0xc0
[  309.217254]  3503
[  309.219055]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  309.223078]  3503
[  309.225151]  ? ktime_get+0x2e1/0x440
[  309.230142] Node 0 
[  309.232200]  ? check_preemption_disabled+0x48/0x200
[  309.235914] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  309.238131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.243120] lowmem_reserve[]:
[  309.271498]  ? should_fail+0x22d/0xd01
[  309.277006]  0
[  309.280107]  ? kasan_check_read+0x11/0x20
[  309.283978]  0
[  309.285775]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.289886]  0 0
[  309.291694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.298910]  ? __lock_acquire+0x7ec/0x4ec0
[  309.303985] Node 0 DMA: 
[  309.308239]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.308256]  ? should_fail+0x22d/0xd01
[  309.310907] 1*4kB 
[  309.316008]  ? mark_held_locks+0x130/0x130
[  309.319866] (U) 
[  309.322007]  ? mark_held_locks+0x130/0x130
[  309.326221] 0*8kB 
[  309.328190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.332397] 0*16kB 
[  309.334547]  ? graph_lock+0x170/0x170
[  309.340054] 1*32kB 
[  309.342284]  ? mark_held_locks+0xc7/0x130
[  309.346061] (U) 
[  309.348301]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  309.352422] 2*64kB 
[  309.354392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.359379] (U) 
[  309.361608]  ? check_preemption_disabled+0x48/0x200
[  309.367138] 1*128kB 
[  309.369109]  ? check_preemption_disabled+0x48/0x200
[  309.374105] (U) 
[  309.376443]  ? __lock_is_held+0xb5/0x140
[  309.381426] 1*256kB 
[  309.383400]  __alloc_pages_nodemask+0xa80/0xde0
[  309.387433] (U) 
[  309.389752]  ? graph_lock+0x170/0x170
[  309.394404] 0*512kB 
[  309.396368]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  309.400147] 1*1024kB 
[  309.402462]  ? graph_lock+0x170/0x170
[  309.407452] (U) 
[  309.409861]  ? find_held_lock+0x36/0x1c0
[  309.413631] 1*2048kB 
[  309.415606]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.419637] (M) 
[  309.422039]  ? lock_downgrade+0x900/0x900
[  309.426680] 3*4096kB 
[  309.428652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.432767] (M) 
[  309.435173]  cache_grow_begin+0x91/0x8c0
[  309.440685] = 15908kB
[  309.442658]  ? do_raw_spin_unlock+0xa7/0x2f0
[  309.446694] Node 0 
[  309.449101]  fallback_alloc+0x203/0x2e0
[  309.453476] DMA32: 
[  309.455712]  ____cache_alloc_node+0x1c7/0x1e0
[  309.459659] 1*4kB 
[  309.461893]  kmem_cache_alloc_node+0xe3/0x730
[  309.466356] (M) 
[  309.468503]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.473175] 3*8kB 
[  309.475157]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  309.480236] (UM) 
[  309.482383]  __alloc_skb+0x119/0x770
[  309.486934] 0*16kB 
[  309.488991]  ? calc_wheel_index+0x220/0x220
[  309.492676] 3*32kB 
[  309.494907]  ? skb_scrub_packet+0x490/0x490
[  309.499203] (UM) 
[  309.501438]  ? vprintk_default+0x28/0x30
[  309.505726] 2*64kB (M) 
[  309.507788]  ? vprintk_func+0x85/0x181
[  309.511827] 5*128kB 
[  309.514411]  ? printk+0xa7/0xcf
[  309.518269] (UM) 
[  309.520586]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  309.523840] 3*256kB 
[  309.525903]  new_skb+0x26/0x1c0
[  309.530630] (M) 
[  309.532942]  aoecmd_cfg+0x279/0x7f0
[  309.536198] 4*512kB 
[  309.538191]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  309.541793] (M) 
[  309.544111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.548511] 3*1024kB 
[  309.550478]  ? check_preemption_disabled+0x48/0x200
[  309.555988] (UM) 
[  309.558392]  ? check_preemption_disabled+0x48/0x200
[  309.563384] 3*2048kB 
[  309.565445]  ? __lock_is_held+0xb5/0x140
[  309.570426] (M) 
[  309.572835]  discover_timer+0x50/0x60
[  309.576861] 3*4096kB 
[  309.578830]  call_timer_fn+0x272/0x920
[  309.582600] (M) 
[  309.585001]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  309.588864] = 25212kB
[  309.590834]  ? process_timeout+0x40/0x40
[  309.595641] Node 0 Normal: 887*4kB (UME) 378*8kB (UMEH) 172*16kB (UMEH) 106*32kB (UMEH) 16*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13996kB
[  309.595704] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  309.595710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  309.595713] 4508 total pagecache pages
[  309.595722] 0 pages in swap cache
[  309.595727] Swap cache stats: add 0, delete 0, find 0/0
[  309.595730] Free swap  = 0kB
[  309.595733] Total swap = 0kB
[  309.595737] 1965979 pages RAM
[  309.595740] 0 pages HighMem/MovableOnly
[  309.595743] 343323 pages reserved
[  309.595745] 0 pages cma reserved
[  309.595802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.595849] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.595853] ksoftirqd/1 cpuset=/ mems_allowed=0
[  309.688835]  ? find_held_lock+0x36/0x1c0
[  309.692914]  ? __run_timers+0x7da/0xc70
[  309.696895]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.701392]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.705888]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  309.710729]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  309.715317]  ? trace_hardirqs_on+0xbd/0x310
[  309.719638]  ? kasan_check_read+0x11/0x20
[  309.723788]  ? __run_timers+0x7da/0xc70
[  309.727765]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.733231]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  309.738077]  __run_timers+0x7e5/0xc70
[  309.741893]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  309.747262]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.752277]  ? graph_lock+0x170/0x170
[  309.756085]  ? enqueue_hrtimer+0x1a5/0x560
[  309.760329]  ? lock_release+0x970/0x970
[  309.764303]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.769501]  ? find_held_lock+0x36/0x1c0
[  309.773572]  ? graph_lock+0x170/0x170
[  309.777375]  ? pvclock_read_flags+0x160/0x160
[  309.781870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.787405]  ? check_preemption_disabled+0x48/0x200
[  309.792430]  ? __lock_is_held+0xb5/0x140
[  309.796496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.802031]  ? check_preemption_disabled+0x48/0x200
[  309.807056]  run_timer_softirq+0x52/0xb0
[  309.811131]  ? rcu_read_lock_sched_held+0x108/0x120
[  309.816158]  __do_softirq+0x30b/0xad8
[  309.819972]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  309.825082]  ? pvclock_read_flags+0x160/0x160
[  309.829586]  ? lapic_next_event+0x5a/0x90
[  309.833734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.839270]  ? check_preemption_disabled+0x48/0x200
[  309.844285]  ? check_preemption_disabled+0x48/0x200
[  309.849327]  ? kvm_clock_read+0x18/0x30
[  309.853303]  ? kvm_sched_clock_read+0x9/0x20
[  309.857716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.863253]  ? check_preemption_disabled+0x48/0x200
[  309.868281]  irq_exit+0x17f/0x1c0
[  309.871736]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.876580]  ? smp_reschedule_interrupt+0x109/0x650
[  309.881601]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.887488]  ? interrupt_entry+0xb5/0xf0
[  309.891554]  ? trace_hardirqs_off_caller+0xbb/0x300
[  309.896569]  ? trace_hardirqs_off_caller+0xbb/0x300
[  309.901587]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.906428]  ? trace_hardirqs_off+0x300/0x300
[  309.910921]  ? trace_hardirqs_off+0x300/0x300
[  309.915418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.920955]  ? check_preemption_disabled+0x48/0x200
[  309.925970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.931518]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.936372]  apic_timer_interrupt+0xf/0x20
[  309.940599]  </IRQ>
[  309.942842] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  309.947774] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  309.966676] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  309.974383] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  309.981652] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  309.988918] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  309.996192] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  310.003462] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  310.010780]  skb_clone+0x1bb/0x500
[  310.014323]  ? finish_task_switch+0x2f5/0x900
[  310.018818]  ? skb_split+0x11e0/0x11e0
[  310.022709]  ? preempt_notifier_register+0x200/0x200
[  310.027814]  ? __switch_to_asm+0x34/0x70
[  310.031961]  ? __switch_to_asm+0x34/0x70
[  310.036023]  ? __switch_to_asm+0x40/0x70
[  310.040083]  ? __switch_to_asm+0x34/0x70
[  310.044155]  ? __switch_to_asm+0x40/0x70
[  310.048216]  ? __switch_to_asm+0x34/0x70
[  310.052279]  ? __switch_to_asm+0x40/0x70
[  310.056337]  ? __switch_to_asm+0x34/0x70
[  310.060400]  ? __switch_to_asm+0x34/0x70
[  310.064461]  ? __switch_to_asm+0x40/0x70
[  310.068521]  ? __switch_to_asm+0x34/0x70
[  310.072593]  bpf_clone_redirect+0xb9/0x490
[  310.076833]  ? __schedule+0x874/0x1ed0
[  310.080727]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  310.085746]  ? __sched_text_start+0x8/0x8
[  310.089900]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.094678]  ? find_held_lock+0x36/0x1c0
[  310.098757]  ? lock_acquire+0x1ed/0x520
[  310.102738]  ? bpf_test_run+0x32e/0x5a0
[  310.106720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.112273]  ? check_preemption_disabled+0x48/0x200
[  310.117307]  ? kasan_check_read+0x11/0x20
[  310.121473]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  310.126770]  ? rcu_bh_qs+0xc0/0xc0
[  310.130315]  ? preempt_schedule+0x4d/0x60
[  310.134463]  ? ___preempt_schedule+0x16/0x18
[  310.138878]  ? bpf_test_run+0x1c0/0x5a0
[  310.142862]  ? netlink_diag_dump+0x2a0/0x2a0
[  310.147273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.152812]  ? bpf_test_init.isra.9+0x70/0x100
[  310.157399]  ? bpf_prog_test_run_skb+0x634/0xb40
[  310.162169]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  310.167011]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  310.172549]  ? fput+0x130/0x1a0
[  310.175838]  ? __bpf_prog_get+0x9b/0x290
[  310.179903]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  310.184750]  ? bpf_prog_test_run+0x130/0x1a0
[  310.189163]  ? __x64_sys_bpf+0x3d8/0x510
[  310.193230]  ? bpf_prog_get+0x20/0x20
[  310.197051]  ? do_syscall_64+0x1b9/0x820
[  310.201131]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  310.206503]  ? syscall_return_slowpath+0x5e0/0x5e0
[  310.211436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.216284]  ? trace_hardirqs_off+0x300/0x300
[  310.220786]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  310.225808]  ? prepare_exit_to_usermode+0x291/0x3b0
[  310.230833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.235690]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  310.241073] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  310.241155] aoe: skb alloc failure
[  310.247923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.247932] Call Trace:
[  310.251522] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  310.260810]  dump_stack+0x1c4/0x2b4
[  310.263373] syz-executor4 cpuset=
[  310.273852]  ? dump_stack_print_info.cold.2+0x52/0x52
[  310.277451] syz4
[  310.280909]  warn_alloc.cold.118+0xb7/0x1bd
[  310.286065]  mems_allowed=0
[  310.288031]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.300077]  ? lock_downgrade+0x900/0x900
[  310.304247]  ? trace_hardirqs_off+0xb8/0x300
[  310.308666]  ? trace_hardirqs_off+0xb8/0x300
[  310.313089]  __alloc_pages_slowpath+0x2667/0x2d80
[  310.317974]  ? warn_alloc+0x120/0x120
[  310.321782]  ? warn_alloc+0x120/0x120
[  310.325590]  ? print_usage_bug+0xc0/0xc0
[  310.329666]  ? warn_alloc+0x120/0x120
[  310.333480]  ? print_usage_bug+0xc0/0xc0
[  310.337557]  ? __lock_acquire+0x7ec/0x4ec0
[  310.341803]  ? __lock_acquire+0x7ec/0x4ec0
[  310.346051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.351600]  ? should_fail+0x22d/0xd01
[  310.355500]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.360610]  ? __lock_acquire+0x7ec/0x4ec0
[  310.364853]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.369959]  ? __lock_acquire+0x7ec/0x4ec0
[  310.374193]  ? should_fail+0x22d/0xd01
[  310.378093]  ? mark_held_locks+0x130/0x130
[  310.382341]  ? mark_held_locks+0x130/0x130
[  310.386581]  ? graph_lock+0x170/0x170
[  310.390381]  ? graph_lock+0x170/0x170
[  310.394188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.399735]  ? graph_lock+0x170/0x170
[  310.403536]  ? print_usage_bug+0xc0/0xc0
[  310.407606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.413162]  ? check_preemption_disabled+0x48/0x200
[  310.418182]  ? check_preemption_disabled+0x48/0x200
[  310.423221]  ? __lock_is_held+0xb5/0x140
[  310.427294]  __alloc_pages_nodemask+0xa80/0xde0
[  310.432056]  ? graph_lock+0x170/0x170
[  310.435868]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  310.440900]  ? graph_lock+0x170/0x170
[  310.444723]  ? find_held_lock+0x36/0x1c0
[  310.448799]  ? ____cache_alloc_node+0x1c7/0x1e0
[  310.453471]  ? lock_downgrade+0x900/0x900
[  310.457637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.463187]  cache_grow_begin+0x91/0x8c0
[  310.467255]  ? do_raw_spin_unlock+0xa7/0x2f0
[  310.471678]  fallback_alloc+0x203/0x2e0
[  310.475664]  ____cache_alloc_node+0x1c7/0x1e0
[  310.480167]  kmem_cache_alloc_node+0xe3/0x730
[  310.484667]  ? ipv6_get_ifaddr+0x42e/0x620
[  310.488924]  __alloc_skb+0x119/0x770
[  310.492648]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  310.497934]  ? skb_scrub_packet+0x490/0x490
[  310.502260]  ? lock_downgrade+0x900/0x900
[  310.506428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.511986]  ? refcount_sub_and_test_checked+0x203/0x310
[  310.517454]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  310.522915]  ? addrconf_rs_timer+0x6f0/0x6f0
[  310.527344]  ndisc_alloc_skb+0x144/0x340
[  310.531417]  ndisc_send_rs+0x331/0x6e0
[  310.535320]  addrconf_rs_timer+0x3c0/0x6f0
[  310.539569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.543822]  call_timer_fn+0x272/0x920
[  310.547761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.552004]  ? process_timeout+0x40/0x40
[  310.556064]  ? find_held_lock+0x36/0x1c0
[  310.560149]  ? __run_timers+0x7da/0xc70
[  310.564141]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.568641]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.573148]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.577393]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  310.581984]  ? trace_hardirqs_on+0xbd/0x310
[  310.586308]  ? kasan_check_read+0x11/0x20
[  310.590456]  ? __run_timers+0x7da/0xc70
[  310.594431]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.599903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.604664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.608914]  __run_timers+0x7e5/0xc70
[  310.612730]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  310.618091]  ? compat_start_thread+0x80/0x80
[  310.622516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.628063]  ? kasan_check_write+0x14/0x20
[  310.632301]  ? finish_task_switch+0x2f5/0x900
[  310.636798]  ? __switch_to_asm+0x40/0x70
[  310.640862]  ? preempt_notifier_register+0x200/0x200
[  310.645969]  ? __switch_to_asm+0x34/0x70
[  310.650030]  ? __switch_to_asm+0x40/0x70
[  310.654090]  ? __switch_to_asm+0x34/0x70
[  310.658159]  ? __switch_to_asm+0x40/0x70
[  310.662216]  ? __switch_to_asm+0x34/0x70
[  310.666279]  ? __switch_to_asm+0x40/0x70
[  310.670350]  ? pvclock_read_flags+0x160/0x160
[  310.674848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.680383]  ? check_preemption_disabled+0x48/0x200
[  310.685411]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  310.690950]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  310.696233]  ? rcu_pm_notify+0xc0/0xc0
[  310.700131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.705673]  ? check_preemption_disabled+0x48/0x200
[  310.710701]  run_timer_softirq+0x52/0xb0
[  310.714762]  ? rcu_read_lock_sched_held+0x108/0x120
[  310.719780]  __do_softirq+0x30b/0xad8
[  310.723597]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  310.728717]  ? schedule+0x108/0x460
[  310.732351]  ? __schedule+0x1ed0/0x1ed0
[  310.736333]  ? trace_hardirqs_off+0xb8/0x300
[  310.740744]  ? ___might_sleep+0x1ed/0x300
[  310.744891]  ? smpboot_thread_fn+0x68b/0xa00
[  310.749302]  ? trace_hardirqs_on+0x310/0x310
[  310.753716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.759254]  ? check_preemption_disabled+0x48/0x200
[  310.764270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.769811]  ? takeover_tasklets+0xa90/0xa90
[  310.774237]  run_ksoftirqd+0x94/0x100
[  310.778041]  smpboot_thread_fn+0x68b/0xa00
[  310.782281]  ? sort_range+0x30/0x30
[  310.785912]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.791023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.796560]  ? __kthread_parkme+0xfb/0x1a0
[  310.800801]  kthread+0x35a/0x420
[  310.804167]  ? sort_range+0x30/0x30
[  310.807791]  ? kthread_bind+0x40/0x40
[  310.811594]  ret_from_fork+0x3a/0x50
[  310.815329] warn_alloc_show_mem: 1 callbacks suppressed
[  310.815341] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  310.815342] Mem-Info:
[  310.815374] active_anon:44072 inactive_anon:951 isolated_anon:0
[  310.815374]  active_file:15 inactive_file:18 isolated_file:0
[  310.815374]  unevictable:0 dirty:0 writeback:0 unstable:0
[  310.815374]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  310.815374]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  310.815374]  free:13779 free_pcp:230 free_cma:0
[  310.820713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.827902] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  310.830299] Call Trace:
[  310.863253] Node 0 
[  310.872597]  <IRQ>
[  310.900367] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  310.902923]  dump_stack+0x1c4/0x2b4
[  310.905138] lowmem_reserve[]:
[  310.907281]  ? dump_stack_print_info.cold.2+0x52/0x52
[  310.932764]  0
[  310.936401]  warn_alloc.cold.118+0xb7/0x1bd
[  310.939465]  2815
[  310.944648]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.946422]  6318
[  310.950735]  ? lock_downgrade+0x900/0x900
[  310.952772]  6318
[  310.957620]  ? trace_hardirqs_off+0xb8/0x300
[  310.959658] Node 0 
[  310.963801]  ? trace_hardirqs_off+0xb8/0x300
[  310.965864] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  310.970241]  __alloc_pages_slowpath+0x2667/0x2d80
[  310.972449] lowmem_reserve[]:
[  310.976878]  ? warn_alloc+0x120/0x120
[  311.003719]  0 0
[  311.008580]  ? warn_alloc+0x120/0x120
[  311.011653]  3503
[  311.015448]  ? print_usage_bug+0xc0/0xc0
[  311.017397]  3503
[  311.021190]  ? warn_alloc+0x120/0x120
[  311.027285]  ? print_usage_bug+0xc0/0xc0
[  311.029328] Node 0 
[  311.033135]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  311.037187] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  311.039387]  ? ktime_get+0x2e1/0x440
[  311.039404]  ? check_preemption_disabled+0x48/0x200
[  311.044400] lowmem_reserve[]:
[  311.072776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.076461]  0
[  311.081474]  ? should_fail+0x22d/0xd01
[  311.084549]  0
[  311.090080]  ? kasan_check_read+0x11/0x20
[  311.091873]  0
[  311.095756]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  311.097527]  0
[  311.101670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.108713]  ? __lock_acquire+0x7ec/0x4ec0
[  311.110488] Node 0 
[  311.115584]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.119794] DMA: 
[  311.122022]  ? should_fail+0x22d/0xd01
[  311.127102] 1*4kB 
[  311.129180]  ? mark_held_locks+0x130/0x130
[  311.133034] (U) 
[  311.135178]  ? mark_held_locks+0x130/0x130
[  311.139387] 0*8kB 
[  311.141356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.145561] 0*16kB 
[  311.147707]  ? graph_lock+0x170/0x170
[  311.153211] 1*32kB 
[  311.155438]  ? mark_held_locks+0xc7/0x130
[  311.159212] (U) 
[  311.161448]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  311.165559] 2*64kB (U) 
[  311.167536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.172525] 1*128kB 
[  311.175101]  ? check_preemption_disabled+0x48/0x200
[  311.180657] (U) 
[  311.182972]  ? check_preemption_disabled+0x48/0x200
[  311.187970] 1*256kB 
[  311.189944]  ? __lock_is_held+0xb5/0x140
[  311.194925] (U) 
[  311.197243]  __alloc_pages_nodemask+0xa80/0xde0
[  311.201278] 0*512kB 
[  311.203253]  ? graph_lock+0x170/0x170
[  311.207910] 1*1024kB 
[  311.210225]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  311.213996] (U) 
[  311.216400]  ? graph_lock+0x170/0x170
[  311.221394] 1*2048kB 
[  311.223366]  ? find_held_lock+0x36/0x1c0
[  311.227140] (M) 
[  311.229551]  ? ____cache_alloc_node+0x1c7/0x1e0
[  311.233578] 3*4096kB 
[  311.235545]  ? lock_downgrade+0x900/0x900
[  311.240187] (M) 
[  311.242607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.246725] = 15908kB
[  311.248697]  cache_grow_begin+0x91/0x8c0
[  311.254205] Node 0 
[  311.256608]  ? do_raw_spin_unlock+0xa7/0x2f0
[  311.260643] DMA32: 1*4kB 
[  311.262892]  fallback_alloc+0x203/0x2e0
[  311.267266] (M) 
[  311.270020]  ____cache_alloc_node+0x1c7/0x1e0
[  311.273968] 3*8kB 
[  311.275940]  kmem_cache_alloc_node+0xe3/0x730
[  311.280404] (UM) 
[  311.282552]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  311.287018] 0*16kB 
[  311.289073]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  311.294150] 3*32kB 
[  311.296387]  __alloc_skb+0x119/0x770
[  311.300937] (UM) 
[  311.303167]  ? calc_wheel_index+0x220/0x220
[  311.306853] 2*64kB 
[  311.308911]  ? skb_scrub_packet+0x490/0x490
[  311.313207] (M) 
[  311.315446]  ? vprintk_default+0x28/0x30
[  311.319736] 5*128kB 
[  311.321721]  ? vprintk_func+0x85/0x181
[  311.325760] (UM) 
[  311.328081]  ? printk+0xa7/0xcf
[  311.331942] 3*256kB (M) 
[  311.334024]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  311.337275] 4*512kB 
[  311.339943]  new_skb+0x26/0x1c0
[  311.344666] (M) 
[  311.346980]  aoecmd_cfg+0x279/0x7f0
[  311.350237] 3*1024kB 
[  311.352210]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  311.355811] (UM) 
[  311.358229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.362526] 3*2048kB 
[  311.364580]  ? check_preemption_disabled+0x48/0x200
[  311.370089] (M) 
[  311.372489]  ? check_preemption_disabled+0x48/0x200
[  311.377479] 3*4096kB 
[  311.379453]  ? __lock_is_held+0xb5/0x140
[  311.384435] (M) 
[  311.386846]  discover_timer+0x50/0x60
[  311.390870] = 25212kB
[  311.392841]  call_timer_fn+0x272/0x920
[  311.396618] Node 0 
[  311.399025]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  311.402886] Normal: 
[  311.405131]  ? process_timeout+0x40/0x40
[  311.409946] 887*4kB 
[  311.412265]  ? find_held_lock+0x36/0x1c0
[  311.416301] (UME) 
[  311.418622]  ? __run_timers+0x7da/0xc70
[  311.422654] 378*8kB 
[  311.424795]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.428743] (UMEH) 
[  311.431059]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.435525] 172*16kB (UMEH) 
[  311.437763]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  311.442232] 106*32kB 
[  311.445241]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  311.450053] (UMEH) 
[  311.452455]  ? trace_hardirqs_on+0xbd/0x310
[  311.457011] 16*64kB 
[  311.459237]  ? kasan_check_read+0x11/0x20
[  311.463534] (UMH) 
[  311.465856]  ? __run_timers+0x7da/0xc70
[  311.469973] 0*128kB 
[  311.472124]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.476274] 1*256kB 
[  311.478608]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  311.484019] (H) 
[  311.486337]  __run_timers+0x7e5/0xc70
[  311.491160] 0*512kB 
[  311.493150]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  311.496908] 0*1024kB 
[  311.499225]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  311.504567] 0*2048kB 
[  311.506976]  ? graph_lock+0x170/0x170
[  311.511964] 0*4096kB 
[  311.514369]  ? enqueue_hrtimer+0x1a5/0x560
[  311.518145] = 13996kB
[  311.520562]  ? lock_release+0x970/0x970
[  311.524780] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  311.527178]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  311.531143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  311.539976]  ? find_held_lock+0x36/0x1c0
[  311.545144] 4508 total pagecache pages
[  311.553721]  ? graph_lock+0x170/0x170
[  311.557758] 0 pages in swap cache
[  311.561632]  ? pvclock_read_flags+0x160/0x160
[  311.565413] Swap cache stats: add 0, delete 0, find 0/0
[  311.568872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.573351] Free swap  = 0kB
[  311.578704]  ? check_preemption_disabled+0x48/0x200
[  311.584220] Total swap = 0kB
[  311.587242]  ? __lock_is_held+0xb5/0x140
[  311.592260] 1965979 pages RAM
[  311.596164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.600198] 0 pages HighMem/MovableOnly
[  311.603297]  ? check_preemption_disabled+0x48/0x200
[  311.608810] 343323 pages reserved
[  311.612780]  run_timer_softirq+0x52/0xb0
[  311.617766] 0 pages cma reserved
[  311.621215]  ? rcu_read_lock_sched_held+0x108/0x120
[  311.625318] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.628616]  __do_softirq+0x30b/0xad8
[  311.633705] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.640100]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  311.643868] ksoftirqd/1 cpuset=
[  311.654174]  ? pvclock_read_flags+0x160/0x160
[  311.659248] /
[  311.662519]  ? lapic_next_event+0x5a/0x90
[  311.666991]  mems_allowed=0
[  311.668699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.681263]  ? check_preemption_disabled+0x48/0x200
[  311.686310]  ? check_preemption_disabled+0x48/0x200
[  311.691333]  ? kvm_clock_read+0x18/0x30
[  311.695311]  ? kvm_sched_clock_read+0x9/0x20
[  311.699721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.705255]  ? check_preemption_disabled+0x48/0x200
[  311.710285]  irq_exit+0x17f/0x1c0
[  311.713745]  smp_apic_timer_interrupt+0x1cb/0x760
[  311.718587]  ? smp_reschedule_interrupt+0x109/0x650
[  311.723609]  ? smp_call_function_single_interrupt+0x650/0x650
[  311.729497]  ? interrupt_entry+0xb5/0xf0
[  311.733574]  ? trace_hardirqs_off_caller+0xbb/0x300
[  311.738593]  ? trace_hardirqs_off_caller+0xbb/0x300
[  311.743609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.748450]  ? trace_hardirqs_off+0x300/0x300
[  311.752944]  ? trace_hardirqs_off+0x300/0x300
[  311.757455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.762996]  ? check_preemption_disabled+0x48/0x200
[  311.768012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.773558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.778412]  apic_timer_interrupt+0xf/0x20
[  311.782641]  </IRQ>
[  311.784882] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  311.789815] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  311.808731] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  311.816441] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  311.823706] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  311.830975] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  311.838242] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  311.845512] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  311.852826]  skb_clone+0x1bb/0x500
[  311.856370]  ? finish_task_switch+0x2f5/0x900
[  311.860870]  ? skb_split+0x11e0/0x11e0
[  311.864759]  ? preempt_notifier_register+0x200/0x200
[  311.869861]  ? __switch_to_asm+0x34/0x70
[  311.873924]  ? __switch_to_asm+0x34/0x70
[  311.877986]  ? __switch_to_asm+0x40/0x70
[  311.882045]  ? __switch_to_asm+0x34/0x70
[  311.886103]  ? __switch_to_asm+0x40/0x70
[  311.890177]  ? __switch_to_asm+0x34/0x70
[  311.894236]  ? __switch_to_asm+0x40/0x70
[  311.898297]  ? __switch_to_asm+0x34/0x70
[  311.902357]  ? __switch_to_asm+0x34/0x70
[  311.906424]  ? __switch_to_asm+0x40/0x70
[  311.910484]  ? __switch_to_asm+0x34/0x70
[  311.914554]  bpf_clone_redirect+0xb9/0x490
[  311.918797]  ? __schedule+0x874/0x1ed0
[  311.922695]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  311.927716]  ? __sched_text_start+0x8/0x8
[  311.931950]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  311.936721]  ? find_held_lock+0x36/0x1c0
[  311.940792]  ? lock_acquire+0x1ed/0x520
[  311.944767]  ? bpf_test_run+0x32e/0x5a0
[  311.948742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.954282]  ? check_preemption_disabled+0x48/0x200
[  311.959306]  ? kasan_check_read+0x11/0x20
[  311.963459]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  311.968740]  ? rcu_bh_qs+0xc0/0xc0
[  311.972285]  ? preempt_schedule+0x4d/0x60
[  311.976437]  ? ___preempt_schedule+0x16/0x18
[  311.980942]  ? bpf_test_run+0x1c0/0x5a0
[  311.984933]  ? netlink_diag_dump+0x2a0/0x2a0
[  311.989345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.994883]  ? bpf_test_init.isra.9+0x70/0x100
[  311.999472]  ? bpf_prog_test_run_skb+0x634/0xb40
[  312.004234]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  312.009077]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  312.014616]  ? fput+0x130/0x1a0
[  312.017899]  ? __bpf_prog_get+0x9b/0x290
[  312.021962]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  312.026802]  ? bpf_prog_test_run+0x130/0x1a0
[  312.031217]  ? __x64_sys_bpf+0x3d8/0x510
[  312.035278]  ? bpf_prog_get+0x20/0x20
[  312.039103]  ? do_syscall_64+0x1b9/0x820
[  312.043208]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  312.048579]  ? syscall_return_slowpath+0x5e0/0x5e0
[  312.053509]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.058353]  ? trace_hardirqs_off+0x300/0x300
[  312.062861]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  312.067878]  ? prepare_exit_to_usermode+0x291/0x3b0
[  312.072902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.077752]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  312.083158] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  312.083227] aoe: skb alloc failure
[  312.089999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.090004] Call Trace:
[  312.090022]  dump_stack+0x1c4/0x2b4
[  312.090042]  ? dump_stack_print_info.cold.2+0x52/0x52
[  312.093596] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  312.102924]  warn_alloc.cold.118+0xb7/0x1bd
[  312.105479] syz-executor4 cpuset=
[  312.109096]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  312.114259] syz4
[  312.124739]  ? lock_downgrade+0x900/0x900
[  312.129035]  mems_allowed=0
[  312.132479]  ? trace_hardirqs_off+0xb8/0x300
[  312.150710]  ? trace_hardirqs_off+0xb8/0x300
[  312.155136]  __alloc_pages_slowpath+0x2667/0x2d80
[  312.160023]  ? warn_alloc+0x120/0x120
[  312.163829]  ? warn_alloc+0x120/0x120
[  312.167641]  ? print_usage_bug+0xc0/0xc0
[  312.171705]  ? warn_alloc+0x120/0x120
[  312.175509]  ? print_usage_bug+0xc0/0xc0
[  312.179574]  ? __lock_acquire+0x7ec/0x4ec0
[  312.183810]  ? __lock_acquire+0x7ec/0x4ec0
[  312.188047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.193587]  ? should_fail+0x22d/0xd01
[  312.197478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.202581]  ? __lock_acquire+0x7ec/0x4ec0
[  312.206821]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.211923]  ? __lock_acquire+0x7ec/0x4ec0
[  312.216161]  ? should_fail+0x22d/0xd01
[  312.220046]  ? print_usage_bug+0xc0/0xc0
[  312.224128]  ? mark_held_locks+0x130/0x130
[  312.228371]  ? mark_held_locks+0x130/0x130
[  312.232618]  ? graph_lock+0x170/0x170
[  312.236427]  ? print_usage_bug+0xc0/0xc0
[  312.240490]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.245248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.250790]  ? check_preemption_disabled+0x48/0x200
[  312.255803]  ? check_preemption_disabled+0x48/0x200
[  312.260837]  ? __lock_is_held+0xb5/0x140
[  312.264908]  __alloc_pages_nodemask+0xa80/0xde0
[  312.269585]  ? graph_lock+0x170/0x170
[  312.273389]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  312.278404]  ? graph_lock+0x170/0x170
[  312.282218]  ? find_held_lock+0x36/0x1c0
[  312.286294]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.290963]  ? lock_downgrade+0x900/0x900
[  312.295132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.300678]  cache_grow_begin+0x91/0x8c0
[  312.304740]  ? do_raw_spin_unlock+0xa7/0x2f0
[  312.309164]  fallback_alloc+0x203/0x2e0
[  312.313155]  ____cache_alloc_node+0x1c7/0x1e0
[  312.317663]  kmem_cache_alloc_node+0xe3/0x730
[  312.322166]  ? ipv6_get_ifaddr+0x42e/0x620
[  312.326414]  __alloc_skb+0x119/0x770
[  312.330140]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.335425]  ? skb_scrub_packet+0x490/0x490
[  312.339751]  ? lock_downgrade+0x900/0x900
[  312.343917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.349460]  ? refcount_sub_and_test_checked+0x203/0x310
[  312.354922]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  312.360383]  ? addrconf_rs_timer+0x6f0/0x6f0
[  312.364804]  ndisc_alloc_skb+0x144/0x340
[  312.368885]  ndisc_send_rs+0x331/0x6e0
[  312.372793]  addrconf_rs_timer+0x3c0/0x6f0
[  312.377036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.381286]  call_timer_fn+0x272/0x920
[  312.385178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.389419]  ? process_timeout+0x40/0x40
[  312.393477]  ? find_held_lock+0x36/0x1c0
[  312.397550]  ? __run_timers+0x7da/0xc70
[  312.401528]  ? _raw_spin_unlock_irq+0x27/0x80
[  312.406021]  ? _raw_spin_unlock_irq+0x27/0x80
[  312.410517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.414752]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  312.419341]  ? trace_hardirqs_on+0xbd/0x310
[  312.423660]  ? kasan_check_read+0x11/0x20
[  312.427812]  ? __run_timers+0x7da/0xc70
[  312.431787]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  312.437251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.441495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.445731]  __run_timers+0x7e5/0xc70
[  312.449550]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  312.454914]  ? compat_start_thread+0x80/0x80
[  312.459327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.464869]  ? kasan_check_write+0x14/0x20
[  312.469108]  ? finish_task_switch+0x2f5/0x900
[  312.473634]  ? __switch_to_asm+0x40/0x70
[  312.477705]  ? preempt_notifier_register+0x200/0x200
[  312.482810]  ? __switch_to_asm+0x34/0x70
[  312.486868]  ? __switch_to_asm+0x40/0x70
[  312.490930]  ? __switch_to_asm+0x34/0x70
[  312.494987]  ? __switch_to_asm+0x40/0x70
[  312.499045]  ? __switch_to_asm+0x34/0x70
[  312.503106]  ? __switch_to_asm+0x40/0x70
[  312.507188]  ? pvclock_read_flags+0x160/0x160
[  312.511688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.517226]  ? check_preemption_disabled+0x48/0x200
[  312.522257]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  312.527793]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.533070]  ? rcu_pm_notify+0xc0/0xc0
[  312.536965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.542501]  ? check_preemption_disabled+0x48/0x200
[  312.547530]  run_timer_softirq+0x52/0xb0
[  312.551591]  ? rcu_read_lock_sched_held+0x108/0x120
[  312.556610]  __do_softirq+0x30b/0xad8
[  312.560433]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  312.565545]  ? schedule+0x108/0x460
[  312.569175]  ? __schedule+0x1ed0/0x1ed0
[  312.573161]  ? trace_hardirqs_off+0xb8/0x300
[  312.577748]  ? ___might_sleep+0x1ed/0x300
[  312.581893]  ? smpboot_thread_fn+0x68b/0xa00
[  312.586306]  ? trace_hardirqs_on+0x310/0x310
[  312.590719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.596259]  ? check_preemption_disabled+0x48/0x200
[  312.601285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.607310]  ? takeover_tasklets+0xa90/0xa90
[  312.611722]  run_ksoftirqd+0x94/0x100
[  312.615525]  smpboot_thread_fn+0x68b/0xa00
[  312.619767]  ? sort_range+0x30/0x30
[  312.623403]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.628510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.634050]  ? __kthread_parkme+0xfb/0x1a0
[  312.638297]  kthread+0x35a/0x420
[  312.641662]  ? sort_range+0x30/0x30
[  312.645286]  ? kthread_bind+0x40/0x40
[  312.649093]  ret_from_fork+0x3a/0x50
[  312.652830] warn_alloc_show_mem: 1 callbacks suppressed
[  312.652842] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  312.652844] Mem-Info:
[  312.652875] active_anon:44072 inactive_anon:951 isolated_anon:0
[  312.652875]  active_file:15 inactive_file:18 isolated_file:0
[  312.652875]  unevictable:0 dirty:0 writeback:0 unstable:0
[  312.652875]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  312.652875]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  312.652875]  free:13779 free_pcp:230 free_cma:0
[  312.658223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.665413] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  312.667816] Call Trace:
[  312.700784] Node 0 
[  312.710149]  <IRQ>
[  312.737928] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  312.740488]  dump_stack+0x1c4/0x2b4
[  312.742693] lowmem_reserve[]:
[  312.744836]  ? dump_stack_print_info.cold.2+0x52/0x52
[  312.770316]  0
[  312.773949]  warn_alloc.cold.118+0xb7/0x1bd
[  312.777016]  2815
[  312.782201]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  312.783979]  6318
[  312.788297]  ? lock_downgrade+0x900/0x900
[  312.790332]  6318
[  312.795170]  ? trace_hardirqs_off+0xb8/0x300
[  312.801349]  ? trace_hardirqs_off+0xb8/0x300
[  312.803385] Node 0 
[  312.807793]  __alloc_pages_slowpath+0x2667/0x2d80
[  312.812194] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  312.814424]  ? warn_alloc+0x120/0x120
[  312.819208] lowmem_reserve[]: 0
[  312.846125]  ? __lock_acquire+0x7ec/0x4ec0
[  312.849898]  0
[  312.853174]  ? warn_alloc+0x120/0x120
[  312.857383]  3503
[  312.859176]  ? print_usage_bug+0xc0/0xc0
[  312.863035]  3503
[  312.865091]  ? warn_alloc+0x120/0x120
[  312.869139] Node 0 
[  312.871195]  ? print_usage_bug+0xc0/0xc0
[  312.874997] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  312.877203]  ? mark_held_locks+0x130/0x130
[  312.881241] lowmem_reserve[]:
[  312.909607]  ? mark_held_locks+0x130/0x130
[  312.913817]  0
[  312.916915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.921147]  0
[  312.922945]  ? should_fail+0x22d/0xd01
[  312.928455]  0
[  312.930254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.934112]  0
[  312.935918]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.943223]  ? __lock_acquire+0x7ec/0x4ec0
[  312.948299] Node 0 DMA: 
[  312.952527]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.952543]  ? should_fail+0x22d/0xd01
[  312.955192] 1*4kB 
[  312.960290]  ? mark_held_locks+0x130/0x130
[  312.964143] (U) 
[  312.966284]  ? mark_held_locks+0x130/0x130
[  312.970493] 0*8kB 
[  312.972462]  ? graph_lock+0x170/0x170
[  312.976671] 0*16kB 
[  312.978813]  ? graph_lock+0x170/0x170
[  312.982590] 1*32kB 
[  312.984821]  ? print_usage_bug+0xc0/0xc0
[  312.988594] (U) 
[  312.990824]  ? do_raw_spin_unlock+0xa7/0x2f0
[  312.994860] 2*64kB 
[  312.996829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.001208] (U) 
[  313.003435]  ? check_preemption_disabled+0x48/0x200
[  313.008945] 1*128kB (U) 
[  313.010925]  ? check_preemption_disabled+0x48/0x200
[  313.015914] 1*256kB 
[  313.018587]  ? __lock_is_held+0xb5/0x140
[  313.023567] (U) 
[  313.025887]  __alloc_pages_nodemask+0xa80/0xde0
[  313.029928] 0*512kB 
[  313.031893]  ? graph_lock+0x170/0x170
[  313.036535] 1*1024kB 
[  313.038851]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  313.042622] (U) 
[  313.045026]  ? graph_lock+0x170/0x170
[  313.050015] 1*2048kB 
[  313.051988]  ? find_held_lock+0x36/0x1c0
[  313.055759] (M) 
[  313.058173]  ? ____cache_alloc_node+0x1c7/0x1e0
[  313.062200] 3*4096kB 
[  313.064179]  ? lock_downgrade+0x900/0x900
[  313.068821] (M) 
[  313.071232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.075351] = 15908kB
[  313.077319]  cache_grow_begin+0x91/0x8c0
[  313.082828] Node 0 
[  313.085252]  ? do_raw_spin_unlock+0xa7/0x2f0
[  313.089282] DMA32: 
[  313.091514]  fallback_alloc+0x203/0x2e0
[  313.095895] 1*4kB 
[  313.098142]  ____cache_alloc_node+0x1c7/0x1e0
[  313.102083] (M) 
[  313.104233]  kmem_cache_alloc_node+0xe3/0x730
[  313.108699] 3*8kB 
[  313.110671]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  313.115142] (UM) 
[  313.117288]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  313.122367] 0*16kB 
[  313.124427]  __alloc_skb+0x119/0x770
[  313.128986] 3*32kB 
[  313.131215]  ? calc_wheel_index+0x220/0x220
[  313.134902] (UM) 
[  313.137144]  ? skb_scrub_packet+0x490/0x490
[  313.141439] 2*64kB 
[  313.143500]  ? vprintk_default+0x28/0x30
[  313.147791] (M) 
[  313.150017]  ? vprintk_func+0x85/0x181
[  313.154057] 5*128kB 
[  313.156025]  ? printk+0xa7/0xcf
[  313.159888] (UM) 
[  313.162207]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  313.165463] 3*256kB 
[  313.167521]  new_skb+0x26/0x1c0
[  313.172245] (M) 
[  313.174558]  aoecmd_cfg+0x279/0x7f0
[  313.177811] 4*512kB 
[  313.179779]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  313.183376] (M) 
[  313.185694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.189986] 3*1024kB 
[  313.191954]  ? check_preemption_disabled+0x48/0x200
[  313.197468] (UM) 
[  313.199870]  ? check_preemption_disabled+0x48/0x200
[  313.204859] 3*2048kB 
[  313.206921]  ? __lock_is_held+0xb5/0x140
[  313.211905] (M) 
[  313.214320]  discover_timer+0x50/0x60
[  313.218344] 3*4096kB (M) 
[  313.220322]  call_timer_fn+0x272/0x920
[  313.224094] = 25212kB
[  313.226847]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  313.230713] Node 0 
[  313.233124]  ? process_timeout+0x40/0x40
[  313.237940] Normal: 
[  313.240170]  ? find_held_lock+0x36/0x1c0
[  313.244204] 887*4kB 
[  313.246523]  ? __run_timers+0x7da/0xc70
[  313.250556] (UME) 
[  313.252877]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.256821] 378*8kB (UMEH) 
[  313.258971]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.263438] 172*16kB (UMEH) 
[  313.266372]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  313.270834] 106*32kB (UMEH) 
[  313.273852]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  313.278668] 16*64kB 
[  313.281679]  ? trace_hardirqs_on+0xbd/0x310
[  313.286232] (UMH) 
[  313.288550]  ? kasan_check_read+0x11/0x20
[  313.292839] 0*128kB 1*256kB 
[  313.294997]  ? __run_timers+0x7da/0xc70
[  313.299127] (H) 
[  313.302157]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.306102] 0*512kB 
[  313.308092]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  313.313504] 0*1024kB 
[  313.315823]  __run_timers+0x7e5/0xc70
[  313.320643] 0*2048kB 
[  313.323054]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  313.326821] 0*4096kB 
[  313.329224]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  313.334563] = 13996kB
[  313.336962]  ? graph_lock+0x170/0x170
[  313.341960] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  313.344355]  ? enqueue_hrtimer+0x1a5/0x560
[  313.348133] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  313.348151] 4508 total pagecache pages
[  313.356982]  ? lock_release+0x970/0x970
[  313.361195] 0 pages in swap cache
[  313.369761]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  313.373623] Swap cache stats: add 0, delete 0, find 0/0
[  313.377588]  ? find_held_lock+0x36/0x1c0
[  313.381011] Free swap  = 0kB
[  313.386191]  ? graph_lock+0x170/0x170
[  313.391523] Total swap = 0kB
[  313.391531] 1965979 pages RAM
[  313.395585]  ? pvclock_read_flags+0x160/0x160
[  313.398578] 0 pages HighMem/MovableOnly
[  313.402371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.405356] 343323 pages reserved
[  313.405364] 0 pages cma reserved
[  313.408461]  ? check_preemption_disabled+0x48/0x200
[  313.413003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  313.416905]  ? __lock_is_held+0xb5/0x140
[  313.422515] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.425855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.429199] ksoftirqd/1 cpuset=
[  313.434224]  ? check_preemption_disabled+0x48/0x200
[  313.440694] /
[  313.444755]  run_timer_softirq+0x52/0xb0
[  313.455038]  mems_allowed=0
[  313.460563]  ? rcu_read_lock_sched_held+0x108/0x120
[  313.482951]  __do_softirq+0x30b/0xad8
[  313.486764]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  313.491875]  ? pvclock_read_flags+0x160/0x160
[  313.496371]  ? lapic_next_event+0x5a/0x90
[  313.500518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.506057]  ? check_preemption_disabled+0x48/0x200
[  313.511073]  ? check_preemption_disabled+0x48/0x200
[  313.516097]  ? kvm_clock_read+0x18/0x30
[  313.520083]  ? kvm_sched_clock_read+0x9/0x20
[  313.524503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.530041]  ? check_preemption_disabled+0x48/0x200
[  313.535070]  irq_exit+0x17f/0x1c0
[  313.538532]  smp_apic_timer_interrupt+0x1cb/0x760
[  313.543374]  ? smp_reschedule_interrupt+0x109/0x650
[  313.548401]  ? smp_call_function_single_interrupt+0x650/0x650
[  313.554290]  ? interrupt_entry+0xb5/0xf0
[  313.558354]  ? trace_hardirqs_off_caller+0xbb/0x300
[  313.563372]  ? trace_hardirqs_off_caller+0xbb/0x300
[  313.568393]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.573240]  ? trace_hardirqs_off+0x300/0x300
[  313.577747]  ? trace_hardirqs_off+0x300/0x300
[  313.582247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.587786]  ? check_preemption_disabled+0x48/0x200
[  313.592803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.599314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.604177]  apic_timer_interrupt+0xf/0x20
[  313.608417]  </IRQ>
[  313.610658] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  313.615593] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  313.634502] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  313.642222] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  313.649489] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  313.656755] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  313.664021] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  313.671286] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  313.678599]  skb_clone+0x1bb/0x500
[  313.682153]  ? finish_task_switch+0x2f5/0x900
[  313.686655]  ? skb_split+0x11e0/0x11e0
[  313.690551]  ? preempt_notifier_register+0x200/0x200
[  313.695655]  ? __switch_to_asm+0x34/0x70
[  313.699718]  ? __switch_to_asm+0x34/0x70
[  313.703780]  ? __switch_to_asm+0x40/0x70
[  313.707843]  ? __switch_to_asm+0x34/0x70
[  313.711901]  ? __switch_to_asm+0x40/0x70
[  313.715963]  ? __switch_to_asm+0x34/0x70
[  313.720022]  ? __switch_to_asm+0x40/0x70
[  313.724081]  ? __switch_to_asm+0x34/0x70
[  313.728152]  ? __switch_to_asm+0x34/0x70
[  313.732216]  ? __switch_to_asm+0x40/0x70
[  313.736277]  ? __switch_to_asm+0x34/0x70
[  313.740348]  bpf_clone_redirect+0xb9/0x490
[  313.744588]  ? __schedule+0x874/0x1ed0
[  313.748486]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  313.753508]  ? __sched_text_start+0x8/0x8
[  313.757658]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.762431]  ? find_held_lock+0x36/0x1c0
[  313.766502]  ? lock_acquire+0x1ed/0x520
[  313.770490]  ? bpf_test_run+0x32e/0x5a0
[  313.774468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.780005]  ? check_preemption_disabled+0x48/0x200
[  313.785027]  ? kasan_check_read+0x11/0x20
[  313.789179]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  313.794460]  ? rcu_bh_qs+0xc0/0xc0
[  313.798007]  ? preempt_schedule+0x4d/0x60
[  313.802164]  ? ___preempt_schedule+0x16/0x18
[  313.806581]  ? bpf_test_run+0x1c0/0x5a0
[  313.810566]  ? netlink_diag_dump+0x2a0/0x2a0
[  313.815020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.820557]  ? bpf_test_init.isra.9+0x70/0x100
[  313.825156]  ? bpf_prog_test_run_skb+0x634/0xb40
[  313.829926]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  313.834787]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  313.840345]  ? fput+0x130/0x1a0
[  313.843631]  ? __bpf_prog_get+0x9b/0x290
[  313.847701]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  313.852548]  ? bpf_prog_test_run+0x130/0x1a0
[  313.856965]  ? __x64_sys_bpf+0x3d8/0x510
[  313.861029]  ? bpf_prog_get+0x20/0x20
[  313.864850]  ? do_syscall_64+0x1b9/0x820
[  313.868916]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  313.874287]  ? syscall_return_slowpath+0x5e0/0x5e0
[  313.879216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.884067]  ? trace_hardirqs_off+0x300/0x300
[  313.888568]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  313.893595]  ? prepare_exit_to_usermode+0x291/0x3b0
[  313.898621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.903478]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  313.908865] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  313.908932] aoe: skb alloc failure
[  313.915712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  313.915718] Call Trace:
[  313.915737]  dump_stack+0x1c4/0x2b4
[  313.915754]  ? dump_stack_print_info.cold.2+0x52/0x52
[  313.915781]  warn_alloc.cold.118+0xb7/0x1bd
[  313.919320] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.928649]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.931210] syz-executor4 cpuset=
[  313.934828]  ? lock_downgrade+0x900/0x900
[  313.939988] syz4
[  313.944308]  ? trace_hardirqs_off+0xb8/0x300
[  313.956330]  mems_allowed=0
[  313.978043]  ? trace_hardirqs_off+0xb8/0x300
[  313.982468]  __alloc_pages_slowpath+0x2667/0x2d80
[  313.987366]  ? warn_alloc+0x120/0x120
[  313.991173]  ? warn_alloc+0x120/0x120
[  313.994979]  ? print_usage_bug+0xc0/0xc0
[  313.999043]  ? warn_alloc+0x120/0x120
[  314.002845]  ? print_usage_bug+0xc0/0xc0
[  314.006907]  ? __lock_acquire+0x7ec/0x4ec0
[  314.011149]  ? __lock_acquire+0x7ec/0x4ec0
[  314.015394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.020937]  ? should_fail+0x22d/0xd01
[  314.024838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.029946]  ? __lock_acquire+0x7ec/0x4ec0
[  314.034188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.039299]  ? __lock_acquire+0x7ec/0x4ec0
[  314.043538]  ? should_fail+0x22d/0xd01
[  314.047427]  ? print_usage_bug+0xc0/0xc0
[  314.051499]  ? mark_held_locks+0x130/0x130
[  314.055749]  ? mark_held_locks+0x130/0x130
[  314.059994]  ? graph_lock+0x170/0x170
[  314.063793]  ? print_usage_bug+0xc0/0xc0
[  314.067853]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  314.072610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.078159]  ? check_preemption_disabled+0x48/0x200
[  314.083179]  ? check_preemption_disabled+0x48/0x200
[  314.088207]  ? __lock_is_held+0xb5/0x140
[  314.092277]  __alloc_pages_nodemask+0xa80/0xde0
[  314.096951]  ? graph_lock+0x170/0x170
[  314.100756]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  314.105770]  ? graph_lock+0x170/0x170
[  314.109586]  ? find_held_lock+0x36/0x1c0
[  314.113662]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.118335]  ? lock_downgrade+0x900/0x900
[  314.122496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.128042]  cache_grow_begin+0x91/0x8c0
[  314.132109]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.136542]  fallback_alloc+0x203/0x2e0
[  314.140526]  ____cache_alloc_node+0x1c7/0x1e0
[  314.145030]  kmem_cache_alloc_node+0xe3/0x730
[  314.149528]  ? ipv6_get_ifaddr+0x42e/0x620
[  314.153775]  __alloc_skb+0x119/0x770
[  314.157497]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  314.162782]  ? skb_scrub_packet+0x490/0x490
[  314.167106]  ? lock_downgrade+0x900/0x900
[  314.171272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.176809]  ? refcount_sub_and_test_checked+0x203/0x310
[  314.182262]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  314.187716]  ? addrconf_rs_timer+0x6f0/0x6f0
[  314.192151]  ndisc_alloc_skb+0x144/0x340
[  314.196222]  ndisc_send_rs+0x331/0x6e0
[  314.200124]  addrconf_rs_timer+0x3c0/0x6f0
[  314.204371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.208619]  call_timer_fn+0x272/0x920
[  314.212523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.216761]  ? process_timeout+0x40/0x40
[  314.220821]  ? find_held_lock+0x36/0x1c0
[  314.224896]  ? __run_timers+0x7da/0xc70
[  314.228873]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.233370]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.237863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.242109]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  314.246703]  ? trace_hardirqs_on+0xbd/0x310
[  314.251022]  ? kasan_check_read+0x11/0x20
[  314.255174]  ? __run_timers+0x7da/0xc70
[  314.259170]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.264635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.268875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.273111]  __run_timers+0x7e5/0xc70
[  314.276939]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  314.282299]  ? compat_start_thread+0x80/0x80
[  314.286712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.292254]  ? kasan_check_write+0x14/0x20
[  314.296489]  ? finish_task_switch+0x2f5/0x900
[  314.300985]  ? __switch_to_asm+0x40/0x70
[  314.305055]  ? preempt_notifier_register+0x200/0x200
[  314.310161]  ? __switch_to_asm+0x34/0x70
[  314.314224]  ? __switch_to_asm+0x40/0x70
[  314.318282]  ? __switch_to_asm+0x34/0x70
[  314.322340]  ? __switch_to_asm+0x40/0x70
[  314.326400]  ? __switch_to_asm+0x34/0x70
[  314.330461]  ? __switch_to_asm+0x40/0x70
[  314.334545]  ? pvclock_read_flags+0x160/0x160
[  314.339044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.344584]  ? check_preemption_disabled+0x48/0x200
[  314.349612]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  314.355160]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  314.360443]  ? rcu_pm_notify+0xc0/0xc0
[  314.364334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.369869]  ? check_preemption_disabled+0x48/0x200
[  314.374894]  run_timer_softirq+0x52/0xb0
[  314.378959]  ? rcu_read_lock_sched_held+0x108/0x120
[  314.383988]  __do_softirq+0x30b/0xad8
[  314.387820]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  314.392938]  ? schedule+0x108/0x460
[  314.396574]  ? __schedule+0x1ed0/0x1ed0
[  314.400558]  ? trace_hardirqs_off+0xb8/0x300
[  314.404970]  ? ___might_sleep+0x1ed/0x300
[  314.409127]  ? smpboot_thread_fn+0x68b/0xa00
[  314.413537]  ? trace_hardirqs_on+0x310/0x310
[  314.417947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.423487]  ? check_preemption_disabled+0x48/0x200
[  314.428506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.434046]  ? takeover_tasklets+0xa90/0xa90
[  314.438462]  run_ksoftirqd+0x94/0x100
[  314.442267]  smpboot_thread_fn+0x68b/0xa00
[  314.446510]  ? sort_range+0x30/0x30
[  314.450148]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.455253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.460793]  ? __kthread_parkme+0xfb/0x1a0
[  314.465034]  kthread+0x35a/0x420
[  314.468399]  ? sort_range+0x30/0x30
[  314.472026]  ? kthread_bind+0x40/0x40
[  314.475834]  ret_from_fork+0x3a/0x50
[  314.479567] warn_alloc_show_mem: 1 callbacks suppressed
[  314.479579] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  314.479581] Mem-Info:
[  314.479612] active_anon:44072 inactive_anon:951 isolated_anon:0
[  314.479612]  active_file:15 inactive_file:18 isolated_file:0
[  314.479612]  unevictable:0 dirty:0 writeback:0 unstable:0
[  314.479612]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  314.479612]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  314.479612]  free:13779 free_pcp:230 free_cma:0
[  314.484950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  314.492150] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  314.494548] Call Trace:
[  314.527513] Node 0 
[  314.536860]  <IRQ>
[  314.564637] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  314.567194]  dump_stack+0x1c4/0x2b4
[  314.569403] lowmem_reserve[]:
[  314.571551]  ? dump_stack_print_info.cold.2+0x52/0x52
[  314.597062]  0
[  314.600700]  warn_alloc.cold.118+0xb7/0x1bd
[  314.603759]  2815 6318
[  314.609105]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  314.610893]  6318
[  314.615221]  ? lock_downgrade+0x900/0x900
[  314.622526]  ? trace_hardirqs_off+0xb8/0x300
[  314.624562] Node 0 
[  314.628703]  ? trace_hardirqs_off+0xb8/0x300
[  314.633111] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  314.635326]  __alloc_pages_slowpath+0x2667/0x2d80
[  314.639701] lowmem_reserve[]:
[  314.666643]  ? warn_alloc+0x120/0x120
[  314.671442]  0
[  314.674542]  ? __lock_acquire+0x7ec/0x4ec0
[  314.678312]  0
[  314.680110]  ? warn_alloc+0x120/0x120
[  314.684324]  3503
[  314.686126]  ? print_usage_bug+0xc0/0xc0
[  314.689900]  3503
[  314.691956]  ? warn_alloc+0x120/0x120
[  314.698044]  ? print_usage_bug+0xc0/0xc0
[  314.701819] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  314.705905]  ? mark_held_locks+0x130/0x130
[  314.705921]  ? mark_held_locks+0x130/0x130
[  314.734898] lowmem_reserve[]:
[  314.739150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.743348]  0
[  314.746450]  ? should_fail+0x22d/0xd01
[  314.751960]  0
[  314.753764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.757624]  0
[  314.759425]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.764932]  0
[  314.766731]  ? __lock_acquire+0x7ec/0x4ec0
[  314.773603]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.777807] Node 0 
[  314.782898]  ? should_fail+0x22d/0xd01
[  314.782908] DMA: 
[  314.785156]  ? __sanitizer_cov_trace_const_cmp1+0x10/0x20
[  314.789014] 1*4kB 
[  314.791073]  ? mark_held_locks+0x130/0x130
[  314.796579] (U) 
[  314.798719]  ? mark_held_locks+0x130/0x130
[  314.802923] 0*8kB 0*16kB 
[  314.804900]  ? graph_lock+0x170/0x170
[  314.809109] 1*32kB 
[  314.811869]  ? graph_lock+0x170/0x170
[  314.815646] (U) 
[  314.817876]  ? print_usage_bug+0xc0/0xc0
[  314.821653] 2*64kB 
[  314.823622]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.827658] (U) 
[  314.829889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.834262] 1*128kB (U) 
[  314.836242]  ? check_preemption_disabled+0x48/0x200
[  314.841754] 1*256kB 
[  314.844416]  ? check_preemption_disabled+0x48/0x200
[  314.849404] (U) 
[  314.851729]  ? __lock_is_held+0xb5/0x140
[  314.856707] 0*512kB 1*1024kB 
[  314.858736]  __alloc_pages_nodemask+0xa80/0xde0
[  314.862765] (U) 
[  314.865861]  ? graph_lock+0x170/0x170
[  314.870503] 1*2048kB (M) 
[  314.872489]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  314.876264] 3*4096kB 
[  314.879013]  ? graph_lock+0x170/0x170
[  314.884787] (M) 
[  314.887196]  ? find_held_lock+0x36/0x1c0
[  314.890967] = 15908kB
[  314.892939]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.896967] Node 0 
[  314.899369]  ? lock_downgrade+0x900/0x900
[  314.904021] DMA32: 
[  314.906257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.910375] 1*4kB 
[  314.912604]  cache_grow_begin+0x91/0x8c0
[  314.918115] (M) 
[  314.920270]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.924304] 3*8kB 
[  314.926275]  fallback_alloc+0x203/0x2e0
[  314.930654] (UM) 
[  314.932803]  ____cache_alloc_node+0x1c7/0x1e0
[  314.936751] 0*16kB 
[  314.938808]  kmem_cache_alloc_node+0xe3/0x730
[  314.943275] 3*32kB 
[  314.945503]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.949967] (UM) 
[  314.952200]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  314.957279] 2*64kB 
[  314.959342]  __alloc_skb+0x119/0x770
[  314.963890] (M) 
[  314.966135]  ? calc_wheel_index+0x220/0x220
[  314.969815] 5*128kB 
[  314.971781]  ? skb_scrub_packet+0x490/0x490
[  314.976075] (UM) 
[  314.978402]  ? vprintk_default+0x28/0x30
[  314.982704] 3*256kB 
[  314.984757]  ? vprintk_func+0x85/0x181
[  314.988793] (M) 
[  314.991109]  ? printk+0xa7/0xcf
[  314.994976] 4*512kB 
[  314.996944]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  315.000197] (M) 
[  315.002522]  new_skb+0x26/0x1c0
[  315.007247] 3*1024kB 
[  315.009213]  aoecmd_cfg+0x279/0x7f0
[  315.012463] (UM) 
[  315.014870]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  315.018469] 3*2048kB 
[  315.020527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.024820] (M) 
[  315.027226]  ? check_preemption_disabled+0x48/0x200
[  315.032734] 3*4096kB 
[  315.034706]  ? check_preemption_disabled+0x48/0x200
[  315.039694] (M) 
[  315.042104]  ? __lock_is_held+0xb5/0x140
[  315.047089] = 25212kB
[  315.049064]  discover_timer+0x50/0x60
[  315.053088] Node 0 
[  315.055492]  call_timer_fn+0x272/0x920
[  315.059267] Normal: 
[  315.061500]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  315.065361] 887*4kB 
[  315.067680]  ? process_timeout+0x40/0x40
[  315.072494] (UME) 
[  315.074810]  ? find_held_lock+0x36/0x1c0
[  315.078847] 378*8kB 
[  315.080998]  ? __run_timers+0x7da/0xc70
[  315.085031] (UMEH) 
[  315.087348]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.091292] 172*16kB (UMEH) 
[  315.093530]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.097997] 106*32kB (UMEH) 
[  315.101023]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  315.105483] 16*64kB (UMH) 
[  315.108502]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  315.113315] 0*128kB 
[  315.116165]  ? trace_hardirqs_on+0xbd/0x310
[  315.120719] 1*256kB 
[  315.123031]  ? kasan_check_read+0x11/0x20
[  315.127327] (H) 
[  315.129667]  ? __run_timers+0x7da/0xc70
[  315.133798] 0*512kB 
[  315.135784]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.139729] 0*1024kB 
[  315.142053]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  315.147467] 0*2048kB 
[  315.149870]  __run_timers+0x7e5/0xc70
[  315.154683] 0*4096kB 
[  315.157100]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  315.160862] = 13996kB
[  315.163265]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  315.168609] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  315.171009]  ? graph_lock+0x170/0x170
[  315.176006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  315.184828]  ? enqueue_hrtimer+0x1a5/0x560
[  315.188602] 4508 total pagecache pages
[  315.197169]  ? lock_release+0x970/0x970
[  315.201391] 0 pages in swap cache
[  315.205264]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  315.209214] Swap cache stats: add 0, delete 0, find 0/0
[  315.212674]  ? find_held_lock+0x36/0x1c0
[  315.217832] Free swap  = 0kB
[  315.223187]  ? graph_lock+0x170/0x170
[  315.227218] Total swap = 0kB
[  315.230230]  ? pvclock_read_flags+0x160/0x160
[  315.234008] 1965979 pages RAM
[  315.237016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.241483] 0 pages HighMem/MovableOnly
[  315.244595]  ? check_preemption_disabled+0x48/0x200
[  315.250100] 343323 pages reserved
[  315.250109] 0 pages cma reserved
[  315.254093]  ? __lock_is_held+0xb5/0x140
[  315.259151] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  315.262520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.262535]  ? check_preemption_disabled+0x48/0x200
[  315.262558]  run_timer_softirq+0x52/0xb0
[  315.265954] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  315.269971]  ? rcu_read_lock_sched_held+0x108/0x120
[  315.276436] ksoftirqd/1 cpuset=
[  315.281972]  __do_softirq+0x30b/0xad8
[  315.286960] /
[  315.291027]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  315.301310]  mems_allowed=0
[  315.306325]  ? pvclock_read_flags+0x160/0x160
[  315.327561]  ? lapic_next_event+0x5a/0x90
[  315.331713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.337250]  ? check_preemption_disabled+0x48/0x200
[  315.342262]  ? check_preemption_disabled+0x48/0x200
[  315.347288]  ? kvm_clock_read+0x18/0x30
[  315.351263]  ? kvm_sched_clock_read+0x9/0x20
[  315.355679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.361221]  ? check_preemption_disabled+0x48/0x200
[  315.366253]  irq_exit+0x17f/0x1c0
[  315.369713]  smp_apic_timer_interrupt+0x1cb/0x760
[  315.374559]  ? smp_reschedule_interrupt+0x109/0x650
[  315.379586]  ? smp_call_function_single_interrupt+0x650/0x650
[  315.385472]  ? interrupt_entry+0xb5/0xf0
[  315.389535]  ? trace_hardirqs_off_caller+0xbb/0x300
[  315.394550]  ? trace_hardirqs_off_caller+0xbb/0x300
[  315.399576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.404423]  ? trace_hardirqs_off+0x300/0x300
[  315.408917]  ? trace_hardirqs_off+0x300/0x300
[  315.413417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.418951]  ? check_preemption_disabled+0x48/0x200
[  315.423966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.429512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.434370]  apic_timer_interrupt+0xf/0x20
[  315.438598]  </IRQ>
[  315.440839] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  315.445770] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  315.464672] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  315.472382] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  315.480138] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  315.487411] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  315.494676] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  315.501949] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  315.509271]  skb_clone+0x1bb/0x500
[  315.512815]  ? finish_task_switch+0x2f5/0x900
[  315.517321]  ? skb_split+0x11e0/0x11e0
[  315.521215]  ? preempt_notifier_register+0x200/0x200
[  315.526317]  ? __switch_to_asm+0x34/0x70
[  315.530381]  ? __switch_to_asm+0x34/0x70
[  315.534443]  ? __switch_to_asm+0x40/0x70
[  315.538502]  ? __switch_to_asm+0x34/0x70
[  315.542560]  ? __switch_to_asm+0x40/0x70
[  315.546619]  ? __switch_to_asm+0x34/0x70
[  315.550680]  ? __switch_to_asm+0x40/0x70
[  315.554742]  ? __switch_to_asm+0x34/0x70
[  315.558808]  ? __switch_to_asm+0x34/0x70
[  315.562866]  ? __switch_to_asm+0x40/0x70
[  315.566923]  ? __switch_to_asm+0x34/0x70
[  315.570997]  bpf_clone_redirect+0xb9/0x490
[  315.575238]  ? __schedule+0x874/0x1ed0
[  315.579148]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  315.584173]  ? __sched_text_start+0x8/0x8
[  315.588325]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.593096]  ? find_held_lock+0x36/0x1c0
[  315.597188]  ? lock_acquire+0x1ed/0x520
[  315.601164]  ? bpf_test_run+0x32e/0x5a0
[  315.605176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.611210]  ? check_preemption_disabled+0x48/0x200
[  315.616233]  ? kasan_check_read+0x11/0x20
[  315.620385]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.625663]  ? rcu_bh_qs+0xc0/0xc0
[  315.629209]  ? preempt_schedule+0x4d/0x60
[  315.633360]  ? ___preempt_schedule+0x16/0x18
[  315.637778]  ? bpf_test_run+0x1c0/0x5a0
[  315.641766]  ? netlink_diag_dump+0x2a0/0x2a0
[  315.646181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.651720]  ? bpf_test_init.isra.9+0x70/0x100
[  315.656312]  ? bpf_prog_test_run_skb+0x634/0xb40
[  315.661078]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  315.665920]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  315.671457]  ? fput+0x130/0x1a0
[  315.674737]  ? __bpf_prog_get+0x9b/0x290
[  315.678800]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  315.683641]  ? bpf_prog_test_run+0x130/0x1a0
[  315.688058]  ? __x64_sys_bpf+0x3d8/0x510
[  315.692136]  ? bpf_prog_get+0x20/0x20
[  315.695963]  ? do_syscall_64+0x1b9/0x820
[  315.700028]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  315.705399]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.710333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.715179]  ? trace_hardirqs_off+0x300/0x300
[  315.719678]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  315.724714]  ? prepare_exit_to_usermode+0x291/0x3b0
[  315.729738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.734596]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  315.739983] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  315.740015] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  315.746827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.746836] Call Trace:
[  315.753339] rcu: 	1-...!: (859 ticks this GP) idle=636/1/0x4000000000000000 softirq=13750/13753 fqs=249 
[  315.762405]  dump_stack+0x1c4/0x2b4
[  315.762423]  ? dump_stack_print_info.cold.2+0x52/0x52
[  315.762450]  warn_alloc.cold.118+0xb7/0x1bd
[  315.762467]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.762484]  ? lock_downgrade+0x900/0x900
[  315.762507]  ? trace_hardirqs_off+0xb8/0x300
[  315.762527]  ? trace_hardirqs_off+0xb8/0x300
[  315.762549]  __alloc_pages_slowpath+0x2667/0x2d80
[  315.762592]  ? warn_alloc+0x120/0x120
[  315.765464] rcu: 	
[  315.775081]  ? warn_alloc+0x120/0x120
[  315.778687] (detected by 0, t=10566 jiffies, g=11721, q=11)
[  315.783864]  ? print_usage_bug+0xc0/0xc0
[  315.788174] Sending NMI from CPU 0 to CPUs 1:
[  315.793007]  ? warn_alloc+0x120/0x120
[  315.800490] NMI backtrace for cpu 1
[  315.800498] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  315.800505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.800510] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50
[  315.800523] Code: 14 dd 28 00 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 <55> 48 89 e5 65 48 8b 04 25 40 ee 01 00 65 8b 15 8c 1e 83 7e 81 e2
[  315.800528] RSP: 0000:ffff8801d9b562f0 EFLAGS: 00000093
[  315.800537] RAX: ffffffff87bcd969 RBX: ffffffff8b57d721 RCX: ffffffff87bcd634
[  315.800543] RDX: 0000000000000009 RSI: 0000000000000012 RDI: 0000000000000001
[  315.800549] RBP: ffff8801d9b563c8 R08: ffff8801d9b3e4c0 R09: fffffbfff16afae4
[  315.800555] R10: fffffbfff16afae4 R11: ffffffff8b57d720 R12: 0000000000000010
[  315.800561] R13: 0000000000000009 R14: ffffffff882c3005 R15: ffff8801d9b563a0
[  315.800567] FS:  0000000000000000(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000
[  315.800573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  315.800578] CR2: 000000000045ddc9 CR3: 00000001bb92c000 CR4: 00000000001406e0
[  315.800584] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  315.800590] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  315.800593] Call Trace:
[  315.800597]  ? vsnprintf+0xdee/0x1b60
[  315.800601]  ? pointer+0x990/0x990
[  315.800605]  sprintf+0xb0/0xe0
[  315.800608]  ? scnprintf+0x130/0x130
[  315.800612]  ? warn_alloc+0x120/0x120
[  315.800616]  print_prefix+0x26a/0x3f0
[  315.800620]  msg_print_text+0xcc/0x1d0
[  315.800624]  console_unlock+0x673/0x11a0
[  315.800628]  ? lock_acquire+0x170/0x520
[  315.800632]  ? devkmsg_read+0xbb0/0xbb0
[  315.800636]  ? lock_release+0x970/0x970
[  315.800640]  ? trace_hardirqs_off+0xb8/0x300
[  315.800644]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  315.800649]  ? trace_hardirqs_on+0x310/0x310
[  315.800653]  ? kasan_check_write+0x14/0x20
[  315.800657]  ? do_raw_spin_lock+0xc1/0x200
[  315.800661]  vprintk_emit+0x33d/0x930
[  315.800665]  ? wake_up_klogd+0x180/0x180
[  315.800669]  ? find_held_lock+0x36/0x1c0
[  315.800673]  ? is_bpf_text_address+0xac/0x170
[  315.800677]  ? lock_downgrade+0x900/0x900
[  315.800682]  ? check_preemption_disabled+0x48/0x200
[  315.800686]  vprintk_default+0x28/0x30
[  315.800690]  vprintk_func+0x7e/0x181
[  315.800694]  ? unwind_dump+0x190/0x190
[  315.800697]  printk+0xa7/0xcf
[  315.800702]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  315.800706]  ? is_bpf_text_address+0xd3/0x170
[  315.800710]  ? warn_alloc+0x120/0x120
[  315.800714]  show_trace_log_lvl+0x23a/0x28c
[  315.800718]  ? warn_alloc+0x120/0x120
[  315.800723]  ? __alloc_pages_nodemask+0xa80/0xde0
[  315.800726]  show_stack+0x38/0x3a
[  315.800730]  dump_stack+0x1c4/0x2b4
[  315.800735]  ? dump_stack_print_info.cold.2+0x52/0x52
[  315.800739]  warn_alloc.cold.118+0xb7/0x1bd
[  315.800744]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.800748]  ? lock_downgrade+0x900/0x900
[  315.800752]  ? trace_hardirqs_off+0xb8/0x300
[  315.800756]  ? trace_hardirqs_off+0xb8/0x300
[  315.800761]  __alloc_pages_slowpath+0x2667/0x2d80
[  315.800765]  ? warn_alloc+0x120/0x120
[  315.800769]  ? warn_alloc+0x120/0x120
[  315.800773]  ? print_usage_bug+0xc0/0xc0
[  315.800777]  ? warn_alloc+0x120/0x120
[  315.800781]  ? print_usage_bug+0xc0/0xc0
[  315.800785]  ? __lock_acquire+0x7ec/0x4ec0
[  315.800789]  ? __lock_acquire+0x7ec/0x4ec0
[  315.800794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.800798]  ? should_fail+0x22d/0xd01
[  315.800803]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.800807]  ? __lock_acquire+0x7ec/0x4ec0
[  315.800811]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.800815]  ? __lock_acquire+0x7ec/0x4ec0
[  315.800819]  ? should_fail+0x22d/0xd01
[  315.800824]  ? mark_held_locks+0x130/0x130
[  315.800828]  ? mark_held_locks+0x130/0x130
[  315.800832]  ? graph_lock+0x170/0x170
[  315.800836]  ? graph_lock+0x170/0x170
[  315.800839]  ? graph_lock+0x170/0x170
[  315.800844]  ? print_usage_bug+0xc0/0xc0
[  315.800849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.800853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.800858]  ? check_preemption_disabled+0x48/0x200
[  315.800863]  ? check_preemption_disabled+0x48/0x200
[  315.800867]  ? __lock_is_held+0xb5/0x140
[  315.800871]  __alloc_pages_nodemask+0xa80/0xde0
[  315.800875]  ? graph_lock+0x170/0x170
[  315.800880]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  315.800884]  ? graph_lock+0x170/0x170
[  315.800888]  ? find_held_lock+0x36/0x1c0
[  315.800892]  ? ____cache_alloc_node+0x1c7/0x1e0
[  315.800896]  ? lock_downgrade+0x900/0x900
[  315.800901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.800905]  cache_grow_begin+0x91/0x8c0
[  315.800909]  ? do_raw_spin_unlock+0xa7/0x2f0
[  315.800913]  fallback_alloc+0x203/0x2e0
[  315.800918]  ____cache_alloc_node+0x1c7/0x1e0
[  315.800922]  kmem_cache_alloc_node+0xe3/0x730
[  315.800926]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.800930]  __alloc_skb+0x119/0x770
[  315.800935]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.800939]  ? skb_scrub_packet+0x490/0x490
[  315.800943]  ? lock_downgrade+0x900/0x900
[  315.800948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.800953]  ? refcount_sub_and_test_checked+0x203/0x310
[  315.800958]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  315.800962]  ? addrconf_rs_timer+0x6f0/0x6f0
[  315.800966]  ndisc_alloc_skb+0x144/0x340
[  315.800970]  ndisc_send_rs+0x331/0x6e0
[  315.800974]  addrconf_rs_timer+0x3c0/0x6f0
[  315.800978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.800982]  call_timer_fn+0x272/0x920
[  315.800986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.800990]  ? process_timeout+0x40/0x40
[  315.800994]  ? find_held_lock+0x36/0x1c0
[  315.800998]  ? __run_timers+0x7da/0xc70
[  315.801003]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.801007]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.801011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.801016]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  315.801020]  ? trace_hardirqs_on+0xbd/0x310
[  315.801024]  ? kasan_check_read+0x11/0x20
[  315.801028]  ? __run_timers+0x7da/0xc70
[  315.801033]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.801037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.801041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.801046]  __run_timers+0x7e5/0xc70
[  315.801050]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  315.801055]  ? compat_start_thread+0x80/0x80
[  315.801060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.801064]  ? kasan_check_write+0x14/0x20
[  315.801068]  ? finish_task_switch+0x2f5/0x900
[  315.801072]  ? __switch_to_asm+0x40/0x70
[  315.801076]  ? preempt_notifier_register+0x200/0x200
[  315.801080]  ? __switch_to_asm+0x34/0x70
[  315.801084]  ? __switch_to_asm+0x40/0x70
[  315.801089]  ? __switch_to_asm+0x34/0x70
[  315.801093]  ? __switch_to_asm+0x40/0x70
[  315.801097]  ? __switch_to_asm+0x34/0x70
[  315.801101]  ? __switch_to_asm+0x40/0x70
[  315.801105]  ? pvclock_read_flags+0x160/0x160
[  315.801110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.801114]  ? check_preemption_disabled+0x48/0x200
[  315.801135]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  315.801140]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.801145]  ? rcu_pm_notify+0xc0/0xc0
[  315.801149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.801154]  ? check_preemption_disabled+0x48/0x200
[  315.801158]  run_timer_softirq+0x52/0xb0
[  315.801163]  ? rcu_read_lock_sched_held+0x108/0x120
[  315.801166]  __do_softirq+0x30b/0xad8
[  315.801171]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  315.801175]  ? schedule+0x108/0x460
[  315.801179]  ? __schedule+0x1ed0/0x1ed0
[  315.801183]  ? trace_hardirqs_off+0xb8/0x300
[  315.801187]  ? ___might_sleep+0x1ed/0x300
[  315.801192]  ? smpboot_thread_fn+0x68b/0xa00
[  315.801196]  ? trace_hardirqs_on+0x310/0x310
[  315.801201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.801205]  ? check_preemption_disabled+0x48/0x200
[  315.801210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.801215]  ? takeover_tasklets+0xa90/0xa90
[  315.801219]  run_ksoftirqd+0x94/0x100
[  315.801223]  smpboot_thread_fn+0x68b/0xa00
[  315.801227]  ? sort_range+0x30/0x30
[  315.801231]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.801236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.801240]  ? __kthread_parkme+0xfb/0x1a0
[  315.801244]  kthread+0x35a/0x420
[  315.801248]  ? sort_range+0x30/0x30
[  315.801251]  ? kthread_bind+0x40/0x40
[  315.801255]  ret_from_fork+0x3a/0x50
[  315.801275] rcu: rcu_preempt kthread starved for 10068 jiffies! g11721 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  315.803619]  ? print_usage_bug+0xc0/0xc0
[  315.808005] rcu: RCU grace-period kthread stack dump:
[  315.812837]  ? __lock_acquire+0x7ec/0x4ec0
[  315.816613] rcu_preempt     R
[  315.818759]  ? __lock_acquire+0x7ec/0x4ec0
[  315.822537]   running task    
[  315.828247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.832287] 22872    10      2 0x80000000
[  315.836769]  ? should_fail+0x22d/0xd01
[  315.840541] Call Trace:
[  315.844164]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.850991]  __schedule+0x86c/0x1ed0
[  315.860331]  ? __lock_acquire+0x7ec/0x4ec0
[  315.865686]  ? __sched_text_start+0x8/0x8
[  315.884579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.889934]  ? __mod_timer+0x6f6/0x1870
[  315.897189]  ? __lock_acquire+0x7ec/0x4ec0
[  315.904453]  ? add_timer_on+0x9f0/0x9f0
[  315.911701]  ? should_fail+0x22d/0xd01
[  315.911727]  ? mark_held_locks+0x130/0x130
[  315.918980]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  315.926233]  ? mark_held_locks+0x130/0x130
[  315.934465]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  315.940332]  ? graph_lock+0x170/0x170
[  315.947588]  ? trace_hardirqs_on+0xbd/0x310
[  315.954847]  ? graph_lock+0x170/0x170
[  315.962104]  ? kasan_check_read+0x11/0x20
[  315.964684]  ? graph_lock+0x170/0x170
[  315.968472]  ? prepare_to_swait_event+0x25a/0x800
[  315.971995]  ? print_usage_bug+0xc0/0xc0
[  315.975175]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.978872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.982660]  schedule+0xfe/0x460
[  315.986437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.990308]  ? __schedule+0x1ed0/0x1ed0
[  315.994349]  ? check_preemption_disabled+0x48/0x200
[  315.998312]  ? prepare_to_swait_event+0x25a/0x800
[  316.002266]  ? check_preemption_disabled+0x48/0x200
[  316.006231]  ? __init_swait_queue_head+0x150/0x150
[  316.010635]  ? __lock_is_held+0xb5/0x140
[  316.015191]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  316.019582]  __alloc_pages_nodemask+0xa80/0xde0
[  316.023816]  ? __lockdep_init_map+0x105/0x590
[  316.028033]  ? graph_lock+0x170/0x170
[  316.031817]  ? lockdep_init_map+0x9/0x10
[  316.035861]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  316.039909]  schedule_timeout+0x140/0x260
[  316.044377]  ? graph_lock+0x170/0x170
[  316.044403]  ? find_held_lock+0x36/0x1c0
[  316.048526]  ? usleep_range+0x1a0/0x1a0
[  316.053532]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.057402]  ? __next_timer_interrupt+0x1a0/0x1a0
[  316.061094]  ? lock_downgrade+0x900/0x900
[  316.064967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.068059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.072801]  rcu_gp_kthread+0x9d9/0x2310
[  316.077281]  cache_grow_begin+0x91/0x8c0
[  316.081083]  ? rcu_gp_init+0x1830/0x1830
[  316.085367]  ? do_raw_spin_unlock+0xa7/0x2f0
[  316.089161]  ? update_curr+0x344/0xbe0
[  316.093995]  fallback_alloc+0x203/0x2e0
[  316.097462]  ? graph_lock+0x170/0x170
[  316.101075]  ____cache_alloc_node+0x1c7/0x1e0
[  316.106249]  ? __account_cfs_rq_runtime+0x790/0x790
[  316.110559]  kmem_cache_alloc_node+0xe3/0x730
[  316.115386]  ? __lock_acquire+0x7ec/0x4ec0
[  316.119518]  ? ipv6_get_ifaddr+0x42e/0x620
[  316.123911]  ? graph_lock+0x170/0x170
[  316.128310]  __alloc_skb+0x119/0x770
[  316.133150]  ? mark_held_locks+0x130/0x130
[  316.136927]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  316.140709]  ? __lock_is_held+0xb5/0x140
[  316.144754]  ? skb_scrub_packet+0x490/0x490
[  316.148534]  ? __account_cfs_rq_runtime+0x790/0x790
[  316.152634]  ? lock_downgrade+0x900/0x900
[  316.156862]  ? set_next_entity+0x30c/0xc40
[  316.161077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.166595]  ? mark_held_locks+0x130/0x130
[  316.170469]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.175556]  ? rcu_read_lock_sched_held+0x108/0x120
[  316.179778]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.184868]  ? select_task_rq_fair+0x34f0/0x34f0
[  316.189084]  ? addrconf_rs_timer+0x6f0/0x6f0
[  316.192958]  ? __enqueue_entity+0x10d/0x1f0
[  316.197187]  ndisc_alloc_skb+0x144/0x340
[  316.201399]  ? graph_lock+0x170/0x170
[  316.205188]  ndisc_send_rs+0x331/0x6e0
[  316.208967]  ? lock_repin_lock+0x250/0x430
[  316.212754]  addrconf_rs_timer+0x3c0/0x6f0
[  316.216813]  ? graph_lock+0x170/0x170
[  316.222336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.227856]  ? put_prev_task_stop+0x300/0xa10
[  316.232863]  call_timer_fn+0x272/0x920
[  316.237858]  ? lock_repin_lock+0x250/0x430
[  316.241894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.246545]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.250328]  ? process_timeout+0x40/0x40
[  316.255324]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.259106]  ? find_held_lock+0x36/0x1c0
[  316.263165]  ? lockdep_hardirqs_on+0x421/0x5c0
[  316.267822]  ? __run_timers+0x7da/0xc70
[  316.271946]  ? trace_hardirqs_on+0xbd/0x310
[  316.277469]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.281516]  ? kasan_check_read+0x11/0x20
[  316.285914]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.289873]  ? mark_held_locks+0x130/0x130
[  316.294344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.298819]  ? audit_add_watch+0xae1/0xdc0
[  316.303037]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  316.306738]  ? kasan_check_write+0x14/0x20
[  316.311999]  ? trace_hardirqs_on+0xbd/0x310
[  316.316306]  ? finish_task_switch+0x2f5/0x900
[  316.320438]  ? kasan_check_read+0x11/0x20
[  316.325959]  ? __switch_to_asm+0x40/0x70
[  316.331393]  ? __run_timers+0x7da/0xc70
[  316.336825]  ? preempt_notifier_register+0x200/0x200
[  316.341227]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  316.345275]  ? __switch_to_asm+0x34/0x70
[  316.349158]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.353372]  ? __switch_to_asm+0x34/0x70
[  316.357594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.361465]  ? __switch_to_asm+0x40/0x70
[  316.365683]  __run_timers+0x7e5/0xc70
[  316.369730]  ? __switch_to_asm+0x40/0x70
[  316.373786]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  316.377734]  ? __switch_to_asm+0x34/0x70
[  316.382210]  ? compat_start_thread+0x80/0x80
[  316.386686]  ? __switch_to_asm+0x40/0x70
[  316.390908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.395472]  ? __switch_to_asm+0x34/0x70
[  316.399781]  ? kasan_check_write+0x14/0x20
[  316.403909]  ? __switch_to_asm+0x34/0x70
[  316.407868]  ? finish_task_switch+0x2f5/0x900
[  316.413299]  ? __switch_to_asm+0x40/0x70
[  316.417517]  ? __switch_to_asm+0x40/0x70
[  316.421738]  ? __switch_to_asm+0x40/0x70
[  316.425527]  ? preempt_notifier_register+0x200/0x200
[  316.430964]  ? __switch_to_asm+0x34/0x70
[  316.435354]  ? __switch_to_asm+0x34/0x70
[  316.440873]  ? __switch_to_asm+0x40/0x70
[  316.445094]  ? __switch_to_asm+0x40/0x70
[  316.449573]  ? __schedule+0x874/0x1ed0
[  316.453616]  ? __switch_to_asm+0x34/0x70
[  316.458702]  ? __switch_to_asm+0x40/0x70
[  316.462747]  ? __switch_to_asm+0x40/0x70
[  316.466791]  ? __switch_to_asm+0x40/0x70
[  316.470834]  ? __switch_to_asm+0x34/0x70
[  316.475360]  ? graph_lock+0x170/0x170
[  316.479401]  ? __switch_to_asm+0x40/0x70
[  316.483452]  ? __sched_text_start+0x8/0x8
[  316.487929]  ? pvclock_read_flags+0x160/0x160
[  316.493451]  ? find_held_lock+0x36/0x1c0
[  316.498445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.503970]  ? __kthread_parkme+0xce/0x1a0
[  316.509224]  ? check_preemption_disabled+0x48/0x200
[  316.513098]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  316.518625]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  316.523618]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  316.527667]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  316.532666]  ? lockdep_hardirqs_on+0x421/0x5c0
[  316.536451]  ? rcu_pm_notify+0xc0/0xc0
[  316.541535]  ? trace_hardirqs_on+0xbd/0x310
[  316.545160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.549127]  ? kasan_check_read+0x11/0x20
[  316.553520]  ? check_preemption_disabled+0x48/0x200
[  316.557656]  ? __kthread_parkme+0xce/0x1a0
[  316.562050]  run_timer_softirq+0x52/0xb0
[  316.566437]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  316.571957]  ? rcu_read_lock_sched_held+0x108/0x120
[  316.576955]  ? kasan_check_write+0x14/0x20
[  316.582476]  __do_softirq+0x30b/0xad8
[  316.586866]  ? do_raw_spin_lock+0xc1/0x200
[  316.590660]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  316.594872]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  316.598488]  ? schedule+0x108/0x460
[  316.603569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.609565]  ? __schedule+0x1ed0/0x1ed0
[  316.613789]  ? __kthread_parkme+0xfb/0x1a0
[  316.617148]  ? trace_hardirqs_off+0xb8/0x300
[  316.620761]  kthread+0x35a/0x420
[  316.624547]  ? ___might_sleep+0x1ed/0x300
[  316.628242]  ? rcu_gp_init+0x1830/0x1830
[  316.638708]  ? smpboot_thread_fn+0x68b/0xa00
[  316.642781]  ? kthread_bind+0x40/0x40
[  316.647955]  ? trace_hardirqs_on+0x310/0x310
[  316.652171]  ret_from_fork+0x3a/0x50
[  316.655265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.659784] aoe: skb alloc failure
[  316.662658]  ? check_preemption_disabled+0x48/0x200
[  316.662672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.662694]  ? takeover_tasklets+0xa90/0xa90
[  316.668245] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.672354]  run_ksoftirqd+0x94/0x100
[  316.676217] syz-executor4 cpuset=
[  316.678797]  smpboot_thread_fn+0x68b/0xa00
[  316.683873] syz4
[  316.687580]  ? sort_range+0x30/0x30
[  316.691825]  mems_allowed=0
[  316.695968]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.508380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.513923]  ? __kthread_parkme+0xfb/0x1a0
[  317.518195]  kthread+0x35a/0x420
[  317.521561]  ? sort_range+0x30/0x30
[  317.525185]  ? kthread_bind+0x40/0x40
[  317.528986]  ret_from_fork+0x3a/0x50
[  317.532712] warn_alloc_show_mem: 1 callbacks suppressed
[  317.532724] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  317.532726] Mem-Info:
[  317.532757] active_anon:44072 inactive_anon:951 isolated_anon:0
[  317.532757]  active_file:15 inactive_file:18 isolated_file:0
[  317.532757]  unevictable:0 dirty:0 writeback:0 unstable:0
[  317.532757]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  317.532757]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  317.532757]  free:13779 free_pcp:230 free_cma:0
[  317.538097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  317.545395] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  317.547796] Call Trace:
[  317.580748] Node 0 
[  317.590106]  <IRQ>
[  317.617880] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  317.620435]  dump_stack+0x1c4/0x2b4
[  317.622661] lowmem_reserve[]:
[  317.624806]  ? dump_stack_print_info.cold.2+0x52/0x52
[  317.650284]  0
[  317.653911]  warn_alloc.cold.118+0xb7/0x1bd
[  317.656978]  2815
[  317.662164]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  317.663939]  6318
[  317.668252]  ? lock_downgrade+0x900/0x900
[  317.670289]  6318
[  317.675140]  ? trace_hardirqs_off+0xb8/0x300
[  317.677170] Node 0 
[  317.681310]  ? trace_hardirqs_off+0xb8/0x300
[  317.683372] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  317.687754]  __alloc_pages_slowpath+0x2667/0x2d80
[  317.689962] lowmem_reserve[]:
[  317.694402]  ? warn_alloc+0x120/0x120
[  317.721245]  0
[  317.726086]  ? __lock_acquire+0x7ec/0x4ec0
[  317.729169]  0
[  317.732966]  ? warn_alloc+0x120/0x120
[  317.734743]  3503
[  317.738973]  ? print_usage_bug+0xc0/0xc0
[  317.740748]  3503
[  317.744543]  ? warn_alloc+0x120/0x120
[  317.750628]  ? print_usage_bug+0xc0/0xc0
[  317.752755] Node 0 
[  317.756545]  ? mark_held_locks+0x130/0x130
[  317.760604] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  317.762806]  ? mark_held_locks+0x130/0x130
[  317.767014] lowmem_reserve[]:
[  317.795374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.799583]  0
[  317.802682]  ? should_fail+0x22d/0xd01
[  317.808202]  0
[  317.809997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.813854]  0
[  317.815655]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.821164]  0
[  317.822960]  ? __lock_acquire+0x7ec/0x4ec0
[  317.829830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.834039] Node 0 
[  317.839155]  ? should_fail+0x22d/0xd01
[  317.839165] DMA: 
[  317.841402]  ? __sanitizer_cov_trace_const_cmp1+0x10/0x20
[  317.845262] 1*4kB 
[  317.847326]  ? mark_held_locks+0x130/0x130
[  317.852832] (U) 
[  317.854976]  ? mark_held_locks+0x130/0x130
[  317.859188] 0*8kB 
[  317.861162]  ? graph_lock+0x170/0x170
[  317.865372] 0*16kB 
[  317.867511]  ? graph_lock+0x170/0x170
[  317.871292] 1*32kB 
[  317.873522]  ? print_usage_bug+0xc0/0xc0
[  317.877294] (U) 
[  317.879529]  ? do_raw_spin_unlock+0xa7/0x2f0
[  317.883561] 2*64kB 
[  317.885532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.889912] (U) 
[  317.892154]  ? check_preemption_disabled+0x48/0x200
[  317.897668] 1*128kB 
[  317.899659]  ? check_preemption_disabled+0x48/0x200
[  317.899682]  ? __lock_is_held+0xb5/0x140
[  317.904665] (U) 
[  317.906985]  __alloc_pages_nodemask+0xa80/0xde0
[  317.911972] 1*256kB 
[  317.916019]  ? graph_lock+0x170/0x170
[  317.917972] (U) 
[  317.922631]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  317.924952] 0*512kB 
[  317.928744]  ? graph_lock+0x170/0x170
[  317.930716] 1*1024kB 
[  317.935734]  ? find_held_lock+0x36/0x1c0
[  317.938024] (U) 
[  317.941822]  ? ____cache_alloc_node+0x1c7/0x1e0
[  317.944204] 1*2048kB 
[  317.948259]  ? lock_downgrade+0x900/0x900
[  317.950210] (M) 
[  317.954877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.957256] 3*4096kB 
[  317.961398]  cache_grow_begin+0x91/0x8c0
[  317.963347] (M) 
[  317.968878]  ? do_raw_spin_unlock+0xa7/0x2f0
[  317.971263] = 15908kB
[  317.975320]  fallback_alloc+0x203/0x2e0
[  317.977274] Node 0 
[  317.981675]  ____cache_alloc_node+0x1c7/0x1e0
[  317.984061] DMA32: 
[  317.988027]  kmem_cache_alloc_node+0xe3/0x730
[  317.990239] 1*4kB 
[  317.994726]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.996938] (M) 
[  318.001425]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  318.003553] 3*8kB 
[  318.008652]  __alloc_skb+0x119/0x770
[  318.010601] (UM) 
[  318.015181]  ? calc_wheel_index+0x220/0x220
[  318.017305] 0*16kB 
[  318.021006]  ? skb_scrub_packet+0x490/0x490
[  318.023045] 3*32kB 
[  318.027363]  ? vprintk_default+0x28/0x30
[  318.029572] (UM) 
[  318.033885]  ? vprintk_func+0x85/0x181
[  318.036099] 2*64kB 
[  318.040159]  ? printk+0xa7/0xcf
[  318.042197] (M) 
[  318.046087]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  318.048297] 5*128kB 
[  318.051574]  new_skb+0x26/0x1c0
[  318.053522] (UM) 
[  318.058266]  aoecmd_cfg+0x279/0x7f0
[  318.060564] 3*256kB 
[  318.063841]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  318.065872] (M) 
[  318.069494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.071791] 4*512kB 
[  318.076104]  ? check_preemption_disabled+0x48/0x200
[  318.078051] (M) 
[  318.083596]  ? check_preemption_disabled+0x48/0x200
[  318.085894] 3*1024kB 
[  318.090920]  ? __lock_is_held+0xb5/0x140
[  318.092862] (UM) 
[  318.097876]  discover_timer+0x50/0x60
[  318.100252] 3*2048kB 
[  318.104303]  call_timer_fn+0x272/0x920
[  318.106342] (M) 
[  318.110146]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  318.112532] 3*4096kB 
[  318.116412]  ? process_timeout+0x40/0x40
[  318.118362] (M) 
[  318.123198]  ? find_held_lock+0x36/0x1c0
[  318.125582] = 25212kB
[  318.129636]  ? __run_timers+0x7da/0xc70
[  318.131596] Node 0 
[  318.135685]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.138069] Normal: 
[  318.142034]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.144250] 887*4kB 
[  318.148733]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  318.151031] (UME) 
[  318.155520]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  318.157818] 378*8kB 
[  318.162655]  ? trace_hardirqs_on+0xbd/0x310
[  318.164781] (UMEH) 
[  318.169356]  ? kasan_check_read+0x11/0x20
[  318.171656] 172*16kB 
[  318.175975]  ? __run_timers+0x7da/0xc70
[  318.178184] (UMEH) 
[  318.182325]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  318.184711] 106*32kB 
[  318.188684]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  318.190888] (UMEH) 
[  318.196344]  __run_timers+0x7e5/0xc70
[  318.198731] 16*64kB 
[  318.203571]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  318.205772] (UMH) 
[  318.209564]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  318.211863] 0*128kB 
[  318.217240]  ? graph_lock+0x170/0x170
[  318.219365] 1*256kB 
[  318.224368]  ? enqueue_hrtimer+0x1a5/0x560
[  318.226666] (H) 
[  318.230460]  ? lock_release+0x970/0x970
[  318.232761] 0*512kB 
[  318.236987]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  318.238942] 0*1024kB 
[  318.242911]  ? find_held_lock+0x36/0x1c0
[  318.245207] 0*2048kB 
[  318.250391]  ? graph_lock+0x170/0x170
[  318.252775] 0*4096kB 
[  318.256826]  ? pvclock_read_flags+0x160/0x160
[  318.259220] = 13996kB
[  318.259234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  318.263025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.265413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  318.269898]  ? check_preemption_disabled+0x48/0x200
[  318.272283] 4508 total pagecache pages
[  318.281117]  ? __lock_is_held+0xb5/0x140
[  318.286640] 0 pages in swap cache
[  318.295198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.300193] Swap cache stats: add 0, delete 0, find 0/0
[  318.300201] Free swap  = 0kB
[  318.304086]  ? check_preemption_disabled+0x48/0x200
[  318.308127] Total swap = 0kB
[  318.311583]  run_timer_softirq+0x52/0xb0
[  318.317086] 1965979 pages RAM
[  318.322442]  ? rcu_read_lock_sched_held+0x108/0x120
[  318.325435] 0 pages HighMem/MovableOnly
[  318.330444]  __do_softirq+0x30b/0xad8
[  318.333434] 343323 pages reserved
[  318.337495]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  318.340565] 0 pages cma reserved
[  318.345573]  ? pvclock_read_flags+0x160/0x160
[  318.349699] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.054 msecs
[  318.353311]  ? lapic_next_event+0x5a/0x90
[  318.356806] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.361832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.361846]  ? check_preemption_disabled+0x48/0x200
[  318.361861]  ? check_preemption_disabled+0x48/0x200
[  318.365270] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.369701]  ? kvm_clock_read+0x18/0x30
[  318.378174] ksoftirqd/1 cpuset=
[  318.382316]  ? kvm_sched_clock_read+0x9/0x20
[  318.388779] /
[  318.394310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.399298]  mems_allowed=0
[  318.404303]  ? check_preemption_disabled+0x48/0x200
[  318.441355]  irq_exit+0x17f/0x1c0
[  318.444819]  smp_apic_timer_interrupt+0x1cb/0x760
[  318.449665]  ? smp_reschedule_interrupt+0x109/0x650
[  318.454686]  ? smp_call_function_single_interrupt+0x650/0x650
[  318.460573]  ? interrupt_entry+0xb5/0xf0
[  318.464634]  ? trace_hardirqs_off_caller+0xbb/0x300
[  318.469677]  ? trace_hardirqs_off_caller+0xbb/0x300
[  318.475192]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.480039]  ? trace_hardirqs_off+0x300/0x300
[  318.484543]  ? trace_hardirqs_off+0x300/0x300
[  318.489043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.494583]  ? check_preemption_disabled+0x48/0x200
[  318.499599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.505159]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.510012]  apic_timer_interrupt+0xf/0x20
[  318.514241]  </IRQ>
[  318.516480] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  318.521411] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  318.540310] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  318.548020] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  318.555286] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  318.562554] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  318.569851] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  318.577126] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  318.584457]  skb_clone+0x1bb/0x500
[  318.587996]  ? finish_task_switch+0x2f5/0x900
[  318.592491]  ? skb_split+0x11e0/0x11e0
[  318.596378]  ? preempt_notifier_register+0x200/0x200
[  318.601482]  ? __switch_to_asm+0x34/0x70
[  318.605774]  ? __switch_to_asm+0x34/0x70
[  318.609834]  ? __switch_to_asm+0x40/0x70
[  318.613891]  ? __switch_to_asm+0x34/0x70
[  318.617951]  ? __switch_to_asm+0x40/0x70
[  318.622014]  ? __switch_to_asm+0x34/0x70
[  318.626071]  ? __switch_to_asm+0x40/0x70
[  318.630145]  ? __switch_to_asm+0x34/0x70
[  318.634208]  ? __switch_to_asm+0x34/0x70
[  318.638269]  ? __switch_to_asm+0x40/0x70
[  318.642330]  ? __switch_to_asm+0x34/0x70
[  318.646398]  bpf_clone_redirect+0xb9/0x490
[  318.650636]  ? __schedule+0x874/0x1ed0
[  318.654534]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  318.659556]  ? __sched_text_start+0x8/0x8
[  318.663707]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  318.668478]  ? find_held_lock+0x36/0x1c0
[  318.672546]  ? lock_acquire+0x1ed/0x520
[  318.676531]  ? bpf_test_run+0x32e/0x5a0
[  318.680507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.686043]  ? check_preemption_disabled+0x48/0x200
[  318.691067]  ? kasan_check_read+0x11/0x20
[  318.695223]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.700500]  ? rcu_bh_qs+0xc0/0xc0
[  318.704043]  ? preempt_schedule+0x4d/0x60
[  318.708196]  ? ___preempt_schedule+0x16/0x18
[  318.712610]  ? bpf_test_run+0x1c0/0x5a0
[  318.716601]  ? netlink_diag_dump+0x2a0/0x2a0
[  318.721013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.726547]  ? bpf_test_init.isra.9+0x70/0x100
[  318.731147]  ? bpf_prog_test_run_skb+0x634/0xb40
[  318.735918]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  318.740759]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  318.746299]  ? fput+0x130/0x1a0
[  318.749582]  ? __bpf_prog_get+0x9b/0x290
[  318.753648]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  318.758493]  ? bpf_prog_test_run+0x130/0x1a0
[  318.762903]  ? __x64_sys_bpf+0x3d8/0x510
[  318.766968]  ? bpf_prog_get+0x20/0x20
[  318.770793]  ? do_syscall_64+0x1b9/0x820
[  318.774857]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  318.780224]  ? syscall_return_slowpath+0x5e0/0x5e0
[  318.785157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.790003]  ? trace_hardirqs_off+0x300/0x300
[  318.794499]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  318.799517]  ? prepare_exit_to_usermode+0x291/0x3b0
[  318.804541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.809392]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  318.814781] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  318.814849] aoe: skb alloc failure
[  318.821624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.821629] Call Trace:
[  318.821655]  dump_stack+0x1c4/0x2b4
[  318.821672]  ? dump_stack_print_info.cold.2+0x52/0x52
[  318.825250] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.834590]  warn_alloc.cold.118+0xb7/0x1bd
[  318.837156] syz-executor4 cpuset=
[  318.840775]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.845937] syz4
[  318.856414]  ? lock_downgrade+0x900/0x900
[  318.860714]  mems_allowed=0
[  318.864165]  ? trace_hardirqs_off+0xb8/0x300
[  318.882379]  ? trace_hardirqs_off+0xb8/0x300
[  318.886799]  __alloc_pages_slowpath+0x2667/0x2d80
[  318.891681]  ? warn_alloc+0x120/0x120
[  318.895492]  ? warn_alloc+0x120/0x120
[  318.899293]  ? print_usage_bug+0xc0/0xc0
[  318.903354]  ? warn_alloc+0x120/0x120
[  318.907160]  ? print_usage_bug+0xc0/0xc0
[  318.911223]  ? __lock_acquire+0x7ec/0x4ec0
[  318.915457]  ? __lock_acquire+0x7ec/0x4ec0
[  318.919696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.925236]  ? should_fail+0x22d/0xd01
[  318.929137]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.934241]  ? __lock_acquire+0x7ec/0x4ec0
[  318.938482]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.943589]  ? __lock_acquire+0x7ec/0x4ec0
[  318.947822]  ? should_fail+0x22d/0xd01
[  318.951724]  ? mark_held_locks+0x130/0x130
[  318.955962]  ? mark_held_locks+0x130/0x130
[  318.960198]  ? graph_lock+0x170/0x170
[  318.963999]  ? graph_lock+0x170/0x170
[  318.967805]  ? graph_lock+0x170/0x170
[  318.971613]  ? print_usage_bug+0xc0/0xc0
[  318.975682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.981274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.986813]  ? check_preemption_disabled+0x48/0x200
[  318.991826]  ? check_preemption_disabled+0x48/0x200
[  318.996856]  ? __lock_is_held+0xb5/0x140
[  319.000928]  __alloc_pages_nodemask+0xa80/0xde0
[  319.005597]  ? graph_lock+0x170/0x170
[  319.009405]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  319.014420]  ? graph_lock+0x170/0x170
[  319.018236]  ? find_held_lock+0x36/0x1c0
[  319.022307]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.026981]  ? lock_downgrade+0x900/0x900
[  319.031147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.036691]  cache_grow_begin+0x91/0x8c0
[  319.040758]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.045177]  fallback_alloc+0x203/0x2e0
[  319.049168]  ____cache_alloc_node+0x1c7/0x1e0
[  319.053675]  kmem_cache_alloc_node+0xe3/0x730
[  319.058177]  ? ipv6_get_ifaddr+0x42e/0x620
[  319.062426]  __alloc_skb+0x119/0x770
[  319.066150]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  319.071433]  ? skb_scrub_packet+0x490/0x490
[  319.075760]  ? lock_downgrade+0x900/0x900
[  319.079918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.085455]  ? refcount_sub_and_test_checked+0x203/0x310
[  319.090912]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  319.096369]  ? addrconf_rs_timer+0x6f0/0x6f0
[  319.100790]  ndisc_alloc_skb+0x144/0x340
[  319.104862]  ndisc_send_rs+0x331/0x6e0
[  319.108757]  addrconf_rs_timer+0x3c0/0x6f0
[  319.113001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.117255]  call_timer_fn+0x272/0x920
[  319.121152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.125393]  ? process_timeout+0x40/0x40
[  319.129473]  ? find_held_lock+0x36/0x1c0
[  319.133546]  ? __run_timers+0x7da/0xc70
[  319.137523]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.142062]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.146556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.150791]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  319.155376]  ? trace_hardirqs_on+0xbd/0x310
[  319.159696]  ? kasan_check_read+0x11/0x20
[  319.163846]  ? __run_timers+0x7da/0xc70
[  319.167823]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  319.173279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.177523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.181761]  __run_timers+0x7e5/0xc70
[  319.185581]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  319.190949]  ? compat_start_thread+0x80/0x80
[  319.195370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.200917]  ? kasan_check_write+0x14/0x20
[  319.205163]  ? finish_task_switch+0x2f5/0x900
[  319.209668]  ? __switch_to_asm+0x40/0x70
[  319.213733]  ? preempt_notifier_register+0x200/0x200
[  319.218848]  ? __switch_to_asm+0x34/0x70
[  319.222906]  ? __switch_to_asm+0x40/0x70
[  319.226969]  ? __switch_to_asm+0x34/0x70
[  319.231026]  ? __switch_to_asm+0x40/0x70
[  319.235088]  ? __switch_to_asm+0x34/0x70
[  319.239158]  ? __switch_to_asm+0x40/0x70
[  319.243232]  ? pvclock_read_flags+0x160/0x160
[  319.247728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.253264]  ? check_preemption_disabled+0x48/0x200
[  319.258300]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  319.263871]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  319.269161]  ? rcu_pm_notify+0xc0/0xc0
[  319.273063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.278615]  ? check_preemption_disabled+0x48/0x200
[  319.283694]  run_timer_softirq+0x52/0xb0
[  319.287758]  ? rcu_read_lock_sched_held+0x108/0x120
[  319.292796]  __do_softirq+0x30b/0xad8
[  319.296625]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  319.301742]  ? schedule+0x108/0x460
[  319.305376]  ? __schedule+0x1ed0/0x1ed0
[  319.309356]  ? trace_hardirqs_off+0xb8/0x300
[  319.313766]  ? ___might_sleep+0x1ed/0x300
[  319.317935]  ? smpboot_thread_fn+0x68b/0xa00
[  319.322342]  ? trace_hardirqs_on+0x310/0x310
[  319.326752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.332287]  ? check_preemption_disabled+0x48/0x200
[  319.337303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.342846]  ? takeover_tasklets+0xa90/0xa90
[  319.347260]  run_ksoftirqd+0x94/0x100
[  319.351064]  smpboot_thread_fn+0x68b/0xa00
[  319.355308]  ? sort_range+0x30/0x30
[  319.358936]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  319.364043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.369584]  ? __kthread_parkme+0xfb/0x1a0
[  319.373825]  kthread+0x35a/0x420
[  319.377191]  ? sort_range+0x30/0x30
[  319.380815]  ? kthread_bind+0x40/0x40
[  319.384620]  ret_from_fork+0x3a/0x50
[  319.388353] warn_alloc_show_mem: 1 callbacks suppressed
[  319.388365] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  319.388366] Mem-Info:
[  319.388398] active_anon:44072 inactive_anon:951 isolated_anon:0
[  319.388398]  active_file:15 inactive_file:18 isolated_file:0
[  319.388398]  unevictable:0 dirty:0 writeback:0 unstable:0
[  319.388398]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  319.388398]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  319.388398]  free:13779 free_pcp:230 free_cma:0
[  319.393739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  319.400927] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  319.403323] Call Trace:
[  319.436285] Node 0 
[  319.445633]  <IRQ>
[  319.473665] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  319.476233]  dump_stack+0x1c4/0x2b4
[  319.478443] lowmem_reserve[]:
[  319.480617]  ? dump_stack_print_info.cold.2+0x52/0x52
[  319.506086]  0 2815
[  319.509735]  warn_alloc.cold.118+0xb7/0x1bd
[  319.512800]  6318
[  319.517983]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.520193]  6318
[  319.524507]  ? lock_downgrade+0x900/0x900
[  319.526543] Node 0 
[  319.531384]  ? trace_hardirqs_off+0xb8/0x300
[  319.533444] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  319.537582]  ? trace_hardirqs_off+0xb8/0x300
[  319.539788] lowmem_reserve[]:
[  319.544238]  __alloc_pages_slowpath+0x2667/0x2d80
[  319.571272]  0 0
[  319.575718]  ? warn_alloc+0x120/0x120
[  319.578767]  3503
[  319.583605]  ? __lock_acquire+0x7ec/0x4ec0
[  319.585557]  3503
[  319.589347]  ? warn_alloc+0x120/0x120
[  319.596546]  ? print_usage_bug+0xc0/0xc0
[  319.598585] Node 0 
[  319.602380]  ? warn_alloc+0x120/0x120
[  319.606443] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  319.608648]  ? print_usage_bug+0xc0/0xc0
[  319.608666]  ? mark_held_locks+0x130/0x130
[  319.612440] lowmem_reserve[]:
[  319.640835]  ? mark_held_locks+0x130/0x130
[  319.644870]  0
[  319.649097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.652173]  0
[  319.656402]  ? should_fail+0x22d/0xd01
[  319.658176]  0
[  319.663705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.665477]  0
[  319.669361]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.671152] Node 0 
[  319.676679]  ? __lock_acquire+0x7ec/0x4ec0
[  319.678451] DMA: 1*4kB 
[  319.683552]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.685763] (U) 
[  319.689991]  ? should_fail+0x22d/0xd01
[  319.692552] 0*8kB 
[  319.697656]  ? __sanitizer_cov_trace_const_cmp1+0x10/0x20
[  319.699609] 0*16kB 
[  319.703497]  ? mark_held_locks+0x130/0x130
[  319.705660] 1*32kB 
[  319.711188]  ? mark_held_locks+0x130/0x130
[  319.713399] (U) 
[  319.717633]  ? graph_lock+0x170/0x170
[  319.719860] 2*64kB 
[  319.724101]  ? graph_lock+0x170/0x170
[  319.726054] (U) 
[  319.729848]  ? print_usage_bug+0xc0/0xc0
[  319.732056] 1*128kB 
[  319.735848]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.737796] (U) 
[  319.741853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.744153] 1*256kB 
[  319.748554]  ? check_preemption_disabled+0x48/0x200
[  319.750504] (U) 
[  319.756038]  ? check_preemption_disabled+0x48/0x200
[  319.756064]  ? __lock_is_held+0xb5/0x140
[  319.758358] 0*512kB 
[  319.763372]  __alloc_pages_nodemask+0xa80/0xde0
[  319.765321] 1*1024kB 
[  319.770353]  ? graph_lock+0x170/0x170
[  319.774389] (U) 
[  319.776711]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  319.781352] 1*2048kB 
[  319.783761]  ? graph_lock+0x170/0x170
[  319.787535] (M) 
[  319.789522]  ? find_held_lock+0x36/0x1c0
[  319.794506] 3*4096kB 
[  319.796922]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.800685] (M) 
[  319.802656]  ? lock_downgrade+0x900/0x900
[  319.806686] = 15908kB
[  319.806695] Node 0 
[  319.809106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.813744] DMA32: 
[  319.815721]  cache_grow_begin+0x91/0x8c0
[  319.819844] 1*4kB 
[  319.822255]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.824465] (M) 
[  319.830004]  fallback_alloc+0x203/0x2e0
[  319.832210] 3*8kB 
[  319.836267]  ____cache_alloc_node+0x1c7/0x1e0
[  319.838389] (UM) 
[  319.842796]  kmem_cache_alloc_node+0xe3/0x730
[  319.844742] 0*16kB 
[  319.848712]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  319.850836] 3*32kB 
[  319.855327]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  319.857362] (UM) 
[  319.861858]  __alloc_skb+0x119/0x770
[  319.864065] 2*64kB 
[  319.869177]  ? calc_wheel_index+0x220/0x220
[  319.871388] (M) 
[  319.875968]  ? skb_scrub_packet+0x490/0x490
[  319.878004] 5*128kB 
[  319.881718]  ? vprintk_default+0x28/0x30
[  319.883924] (UM) 
[  319.888258]  ? vprintk_func+0x85/0x181
[  319.890212] 3*256kB 
[  319.894541]  ? printk+0xa7/0xcf
[  319.896836] (M) 
[  319.900895]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  319.902931] 4*512kB 
[  319.906817]  new_skb+0x26/0x1c0
[  319.909110] (M) 
[  319.912395]  aoecmd_cfg+0x279/0x7f0
[  319.914345] 3*1024kB (UM) 
[  319.919110]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  319.921406] 3*2048kB 
[  319.924687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.926639] (M) 
[  319.930262]  ? check_preemption_disabled+0x48/0x200
[  319.933080] 3*4096kB 
[  319.937394]  ? check_preemption_disabled+0x48/0x200
[  319.939776] (M) 
[  319.945313]  ? __lock_is_held+0xb5/0x140
[  319.947254] = 25212kB
[  319.952272]  discover_timer+0x50/0x60
[  319.954657] Node 0 
[  319.959686]  call_timer_fn+0x272/0x920
[  319.961639] Normal: 
[  319.965693]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  319.968078] 887*4kB 
[  319.971874]  ? process_timeout+0x40/0x40
[  319.974082] (UME) 
[  319.977965]  ? find_held_lock+0x36/0x1c0
[  319.980267] 378*8kB 
[  319.985104]  ? __run_timers+0x7da/0xc70
[  319.987393] (UMEH) 
[  319.991447]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.993570] 172*16kB 
[  319.997622]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.999938] (UMEH) 
[  320.003914]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  320.006128] 106*32kB 
[  320.010619]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  320.013009] (UMEH) 
[  320.017501]  ? trace_hardirqs_on+0xbd/0x310
[  320.019714] 16*64kB 
[  320.024550]  ? kasan_check_read+0x11/0x20
[  320.026936] (UMH) 
[  320.031516]  ? __run_timers+0x7da/0xc70
[  320.033723] 0*128kB 
[  320.038038]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.040338] 1*256kB 
[  320.044486]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  320.046602] (H) 
[  320.050574]  __run_timers+0x7e5/0xc70
[  320.052874] 0*512kB 
[  320.058327]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  320.060627] 0*1024kB 
[  320.065466]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  320.067419] 0*2048kB 
[  320.071214]  ? graph_lock+0x170/0x170
[  320.073512] 0*4096kB 
[  320.078867]  ? enqueue_hrtimer+0x1a5/0x560
[  320.081251] = 13996kB
[  320.086261]  ? lock_release+0x970/0x970
[  320.088657] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  320.092447]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  320.094840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  320.099063]  ? find_held_lock+0x36/0x1c0
[  320.101448] 4508 total pagecache pages
[  320.105413]  ? graph_lock+0x170/0x170
[  320.114228] 0 pages in swap cache
[  320.119411]  ? pvclock_read_flags+0x160/0x160
[  320.127962] Swap cache stats: add 0, delete 0, find 0/0
[  320.132022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.135881] Free swap  = 0kB
[  320.139702]  ? check_preemption_disabled+0x48/0x200
[  320.143144] Total swap = 0kB
[  320.147643]  ? __lock_is_held+0xb5/0x140
[  320.152980] 1965979 pages RAM
[  320.158510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.161498] 0 pages HighMem/MovableOnly
[  320.166509]  ? check_preemption_disabled+0x48/0x200
[  320.169502] 343323 pages reserved
[  320.173562]  run_timer_softirq+0x52/0xb0
[  320.176629] 0 pages cma reserved
[  320.176717] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  320.182167]  ? rcu_read_lock_sched_held+0x108/0x120
[  320.182185]  __do_softirq+0x30b/0xad8
[  320.182211]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  320.186219] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  320.191177]  ? pvclock_read_flags+0x160/0x160
[  320.194600] ksoftirqd/1 cpuset=
[  320.198657]  ? lapic_next_event+0x5a/0x90
[  320.201998] /
[  320.208486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.213475]  mems_allowed=0
[  320.217270]  ? check_preemption_disabled+0x48/0x200
[  320.259691]  ? check_preemption_disabled+0x48/0x200
[  320.264722]  ? kvm_clock_read+0x18/0x30
[  320.268721]  ? kvm_sched_clock_read+0x9/0x20
[  320.273158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.278698]  ? check_preemption_disabled+0x48/0x200
[  320.283743]  irq_exit+0x17f/0x1c0
[  320.287202]  smp_apic_timer_interrupt+0x1cb/0x760
[  320.292046]  ? smp_reschedule_interrupt+0x109/0x650
[  320.297073]  ? smp_call_function_single_interrupt+0x650/0x650
[  320.302961]  ? interrupt_entry+0xb5/0xf0
[  320.307022]  ? trace_hardirqs_off_caller+0xbb/0x300
[  320.312053]  ? trace_hardirqs_off_caller+0xbb/0x300
[  320.317070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.321913]  ? trace_hardirqs_off+0x300/0x300
[  320.326424]  ? trace_hardirqs_off+0x300/0x300
[  320.330953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.336493]  ? check_preemption_disabled+0x48/0x200
[  320.341510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.347059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.351914]  apic_timer_interrupt+0xf/0x20
[  320.356154]  </IRQ>
[  320.358396] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  320.363329] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  320.382234] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  320.389948] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  320.397215] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  320.404484] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  320.411752] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  320.419019] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  320.426334]  skb_clone+0x1bb/0x500
[  320.429878]  ? finish_task_switch+0x2f5/0x900
[  320.434380]  ? skb_split+0x11e0/0x11e0
[  320.438276]  ? preempt_notifier_register+0x200/0x200
[  320.443380]  ? __switch_to_asm+0x34/0x70
[  320.447442]  ? __switch_to_asm+0x34/0x70
[  320.451503]  ? __switch_to_asm+0x40/0x70
[  320.455568]  ? __switch_to_asm+0x34/0x70
[  320.459629]  ? __switch_to_asm+0x40/0x70
[  320.463692]  ? __switch_to_asm+0x34/0x70
[  320.467754]  ? __switch_to_asm+0x40/0x70
[  320.471815]  ? __switch_to_asm+0x34/0x70
[  320.476326]  ? __switch_to_asm+0x34/0x70
[  320.480386]  ? __switch_to_asm+0x40/0x70
[  320.484449]  ? __switch_to_asm+0x34/0x70
[  320.488524]  bpf_clone_redirect+0xb9/0x490
[  320.492778]  ? __schedule+0x874/0x1ed0
[  320.496684]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  320.501714]  ? __sched_text_start+0x8/0x8
[  320.505864]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  320.510641]  ? find_held_lock+0x36/0x1c0
[  320.514713]  ? lock_acquire+0x1ed/0x520
[  320.518688]  ? bpf_test_run+0x32e/0x5a0
[  320.522670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.528210]  ? check_preemption_disabled+0x48/0x200
[  320.533234]  ? kasan_check_read+0x11/0x20
[  320.537387]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.542671]  ? rcu_bh_qs+0xc0/0xc0
[  320.546222]  ? preempt_schedule+0x4d/0x60
[  320.550627]  ? ___preempt_schedule+0x16/0x18
[  320.555058]  ? bpf_test_run+0x1c0/0x5a0
[  320.559052]  ? netlink_diag_dump+0x2a0/0x2a0
[  320.563474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.569021]  ? bpf_test_init.isra.9+0x70/0x100
[  320.573619]  ? bpf_prog_test_run_skb+0x634/0xb40
[  320.578391]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  320.583242]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  320.588783]  ? fput+0x130/0x1a0
[  320.592076]  ? __bpf_prog_get+0x9b/0x290
[  320.596155]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  320.600998]  ? bpf_prog_test_run+0x130/0x1a0
[  320.605620]  ? __x64_sys_bpf+0x3d8/0x510
[  320.609682]  ? bpf_prog_get+0x20/0x20
[  320.613508]  ? do_syscall_64+0x1b9/0x820
[  320.617571]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  320.622939]  ? syscall_return_slowpath+0x5e0/0x5e0
[  320.627868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.632718]  ? trace_hardirqs_off+0x300/0x300
[  320.637221]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  320.642239]  ? prepare_exit_to_usermode+0x291/0x3b0
[  320.647263]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.652119]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  320.657521] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  320.657589] aoe: skb alloc failure
[  320.664364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  320.664370] Call Trace:
[  320.664388]  dump_stack+0x1c4/0x2b4
[  320.664404]  ? dump_stack_print_info.cold.2+0x52/0x52
[  320.664432]  warn_alloc.cold.118+0xb7/0x1bd
[  320.667975] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  320.677292]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  320.679854] syz-executor4 cpuset=
[  320.683472]  ? lock_downgrade+0x900/0x900
[  320.688719] syz4
[  320.693042]  ? trace_hardirqs_off+0xb8/0x300
[  320.703502]  mems_allowed=0
[  320.708344]  ? trace_hardirqs_off+0xb8/0x300
[  320.729580]  __alloc_pages_slowpath+0x2667/0x2d80
[  320.734461]  ? warn_alloc+0x120/0x120
[  320.738271]  ? warn_alloc+0x120/0x120
[  320.742081]  ? print_usage_bug+0xc0/0xc0
[  320.746152]  ? warn_alloc+0x120/0x120
[  320.749960]  ? print_usage_bug+0xc0/0xc0
[  320.754025]  ? __lock_acquire+0x7ec/0x4ec0
[  320.758260]  ? __lock_acquire+0x7ec/0x4ec0
[  320.762499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.768042]  ? should_fail+0x22d/0xd01
[  320.771941]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.777054]  ? __lock_acquire+0x7ec/0x4ec0
[  320.781293]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.786398]  ? __lock_acquire+0x7ec/0x4ec0
[  320.790642]  ? should_fail+0x22d/0xd01
[  320.794545]  ? mark_held_locks+0x130/0x130
[  320.798785]  ? mark_held_locks+0x130/0x130
[  320.803019]  ? graph_lock+0x170/0x170
[  320.806821]  ? graph_lock+0x170/0x170
[  320.810627]  ? graph_lock+0x170/0x170
[  320.814444]  ? print_usage_bug+0xc0/0xc0
[  320.818511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.824053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.829591]  ? check_preemption_disabled+0x48/0x200
[  320.834605]  ? check_preemption_disabled+0x48/0x200
[  320.839648]  ? __lock_is_held+0xb5/0x140
[  320.843719]  __alloc_pages_nodemask+0xa80/0xde0
[  320.848392]  ? graph_lock+0x170/0x170
[  320.852199]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  320.857222]  ? graph_lock+0x170/0x170
[  320.861034]  ? find_held_lock+0x36/0x1c0
[  320.865111]  ? ____cache_alloc_node+0x1c7/0x1e0
[  320.869793]  ? lock_downgrade+0x900/0x900
[  320.873955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.879502]  cache_grow_begin+0x91/0x8c0
[  320.883573]  ? do_raw_spin_unlock+0xa7/0x2f0
[  320.887991]  fallback_alloc+0x203/0x2e0
[  320.891976]  ____cache_alloc_node+0x1c7/0x1e0
[  320.896483]  kmem_cache_alloc_node+0xe3/0x730
[  320.900983]  ? ipv6_get_ifaddr+0x42e/0x620
[  320.905260]  __alloc_skb+0x119/0x770
[  320.908980]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.914271]  ? skb_scrub_packet+0x490/0x490
[  320.918599]  ? lock_downgrade+0x900/0x900
[  320.922760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.928306]  ? refcount_sub_and_test_checked+0x203/0x310
[  320.933766]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  320.939221]  ? addrconf_rs_timer+0x6f0/0x6f0
[  320.943653]  ndisc_alloc_skb+0x144/0x340
[  320.947724]  ndisc_send_rs+0x331/0x6e0
[  320.951620]  addrconf_rs_timer+0x3c0/0x6f0
[  320.955867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.960119]  call_timer_fn+0x272/0x920
[  320.964019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.968259]  ? process_timeout+0x40/0x40
[  320.972319]  ? find_held_lock+0x36/0x1c0
[  320.976392]  ? __run_timers+0x7da/0xc70
[  320.980373]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.984870]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.989369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.993608]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  320.998199]  ? trace_hardirqs_on+0xbd/0x310
[  321.002519]  ? kasan_check_read+0x11/0x20
[  321.006672]  ? __run_timers+0x7da/0xc70
[  321.010657]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  321.016117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.020392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.024631]  __run_timers+0x7e5/0xc70
[  321.028456]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  321.033821]  ? compat_start_thread+0x80/0x80
[  321.038236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.043782]  ? kasan_check_write+0x14/0x20
[  321.048021]  ? finish_task_switch+0x2f5/0x900
[  321.052517]  ? __switch_to_asm+0x40/0x70
[  321.056585]  ? preempt_notifier_register+0x200/0x200
[  321.061697]  ? __switch_to_asm+0x34/0x70
[  321.065766]  ? __switch_to_asm+0x40/0x70
[  321.069833]  ? __switch_to_asm+0x34/0x70
[  321.073895]  ? __switch_to_asm+0x40/0x70
[  321.077959]  ? __switch_to_asm+0x34/0x70
[  321.082040]  ? __switch_to_asm+0x40/0x70
[  321.086113]  ? pvclock_read_flags+0x160/0x160
[  321.090624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.096170]  ? check_preemption_disabled+0x48/0x200
[  321.101198]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  321.106734]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  321.112017]  ? rcu_pm_notify+0xc0/0xc0
[  321.115906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.121441]  ? check_preemption_disabled+0x48/0x200
[  321.126467]  run_timer_softirq+0x52/0xb0
[  321.130532]  ? rcu_read_lock_sched_held+0x108/0x120
[  321.135548]  __do_softirq+0x30b/0xad8
[  321.139365]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  321.144476]  ? schedule+0x108/0x460
[  321.148105]  ? __schedule+0x1ed0/0x1ed0
[  321.152097]  ? trace_hardirqs_off+0xb8/0x300
[  321.156519]  ? ___might_sleep+0x1ed/0x300
[  321.160664]  ? smpboot_thread_fn+0x68b/0xa00
[  321.165074]  ? trace_hardirqs_on+0x310/0x310
[  321.169488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.175027]  ? check_preemption_disabled+0x48/0x200
[  321.180039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.185581]  ? takeover_tasklets+0xa90/0xa90
[  321.189996]  run_ksoftirqd+0x94/0x100
[  321.193796]  smpboot_thread_fn+0x68b/0xa00
[  321.198033]  ? sort_range+0x30/0x30
[  321.201675]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  321.206785]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.212322]  ? __kthread_parkme+0xfb/0x1a0
[  321.216564]  kthread+0x35a/0x420
[  321.219932]  ? sort_range+0x30/0x30
[  321.223569]  ? kthread_bind+0x40/0x40
[  321.227374]  ret_from_fork+0x3a/0x50
[  321.231104] warn_alloc_show_mem: 1 callbacks suppressed
[  321.231116] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  321.231118] Mem-Info:
[  321.231163] active_anon:44072 inactive_anon:951 isolated_anon:0
[  321.231163]  active_file:15 inactive_file:18 isolated_file:0
[  321.231163]  unevictable:0 dirty:0 writeback:0 unstable:0
[  321.231163]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  321.231163]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  321.231163]  free:13779 free_pcp:230 free_cma:0
[  321.236504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.243704] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  321.246101] Call Trace:
[  321.279076] Node 0 
[  321.288426]  <IRQ>
[  321.316228] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  321.318787]  dump_stack+0x1c4/0x2b4
[  321.320991] lowmem_reserve[]:
[  321.323148]  ? dump_stack_print_info.cold.2+0x52/0x52
[  321.348626]  0
[  321.352265]  warn_alloc.cold.118+0xb7/0x1bd
[  321.355330]  2815
[  321.360510]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.362286]  6318
[  321.366601]  ? lock_downgrade+0x900/0x900
[  321.368639]  6318
[  321.373475]  ? trace_hardirqs_off+0xb8/0x300
[  321.379656]  ? trace_hardirqs_off+0xb8/0x300
[  321.381693] Node 0 
[  321.386095]  __alloc_pages_slowpath+0x2667/0x2d80
[  321.390496] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  321.392728]  ? warn_alloc+0x120/0x120
[  321.397514] lowmem_reserve[]: 0
[  321.424421]  ? __lock_acquire+0x7ec/0x4ec0
[  321.428215]  0
[  321.431490]  ? warn_alloc+0x120/0x120
[  321.435698]  3503
[  321.437496]  ? print_usage_bug+0xc0/0xc0
[  321.441272]  3503
[  321.443328]  ? warn_alloc+0x120/0x120
[  321.449420]  ? print_usage_bug+0xc0/0xc0
[  321.453193] Node 0 Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  321.457281]  ? mark_held_locks+0x130/0x130
[  321.457297]  ? mark_held_locks+0x130/0x130
[  321.486492] lowmem_reserve[]: 0
[  321.490747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.494953]  0
[  321.498227]  ? should_fail+0x22d/0xd01
[  321.503736]  0
[  321.505531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.509388]  0
[  321.511183]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.518488]  ? __lock_acquire+0x7ec/0x4ec0
[  321.523566] Node 0 DMA: 
[  321.527792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.527808]  ? should_fail+0x22d/0xd01
[  321.530457] 1*4kB 
[  321.535585]  ? __sanitizer_cov_trace_const_cmp1+0x10/0x20
[  321.539484] (U) 
[  321.541633]  ? mark_held_locks+0x130/0x130
[  321.547153] 0*8kB 
[  321.549141]  ? mark_held_locks+0x130/0x130
[  321.553342] 0*16kB 
[  321.555486]  ? graph_lock+0x170/0x170
[  321.559692] 1*32kB 
[  321.561918]  ? graph_lock+0x170/0x170
[  321.565690] (U) 
[  321.567932]  ? print_usage_bug+0xc0/0xc0
[  321.571703] 2*64kB (U) 
[  321.573681]  ? do_raw_spin_unlock+0xa7/0x2f0
[  321.577727] 1*128kB 
[  321.580307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.584689] (U) 
[  321.587007]  ? check_preemption_disabled+0x48/0x200
[  321.592521] 1*256kB 
[  321.594486]  ? check_preemption_disabled+0x48/0x200
[  321.599481] (U) 
[  321.601807]  ? __lock_is_held+0xb5/0x140
[  321.606789] 0*512kB 
[  321.608763]  __alloc_pages_nodemask+0xa80/0xde0
[  321.612793] 1*1024kB 
[  321.615107]  ? graph_lock+0x170/0x170
[  321.619759] (U) 
[  321.622169]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  321.625935] 1*2048kB (M) 
[  321.627913]  ? graph_lock+0x170/0x170
[  321.632904] 3*4096kB 
[  321.635664]  ? find_held_lock+0x36/0x1c0
[  321.639431] (M) 
[  321.641840]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.645861] = 15908kB
[  321.645870] Node 0 
[  321.647843]  ? lock_downgrade+0x900/0x900
[  321.652481] DMA32: 1*4kB 
[  321.654925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.657143] (M) 
[  321.661286]  cache_grow_begin+0x91/0x8c0
[  321.664014] 3*8kB 
[  321.669544]  ? do_raw_spin_unlock+0xa7/0x2f0
[  321.671494] (UM) 
[  321.675554]  fallback_alloc+0x203/0x2e0
[  321.677683] 0*16kB 
[  321.682085]  ____cache_alloc_node+0x1c7/0x1e0
[  321.684120] 3*32kB 
[  321.688098]  kmem_cache_alloc_node+0xe3/0x730
[  321.690306] (UM) 
[  321.694795]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  321.697004] 2*64kB 
[  321.701494]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  321.703530] (M) 
[  321.708632]  __alloc_skb+0x119/0x770
[  321.710845] 5*128kB 
[  321.715422]  ? calc_wheel_index+0x220/0x220
[  321.717373] (UM) 
[  321.721077]  ? skb_scrub_packet+0x490/0x490
[  321.723374] 3*256kB 
[  321.727693]  ? vprintk_default+0x28/0x30
[  321.729737] (M) 
[  321.734049]  ? vprintk_func+0x85/0x181
[  321.736348] 4*512kB 
[  321.740397]  ? printk+0xa7/0xcf
[  321.742346] (M) 
[  321.746227]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  321.748520] 3*1024kB (UM) 
[  321.751805]  new_skb+0x26/0x1c0
[  321.753748] 3*2048kB 
[  321.758495]  aoecmd_cfg+0x279/0x7f0
[  321.761313] (M) 
[  321.764595]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  321.766985] 3*4096kB 
[  321.770609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.772559] (M) 
[  321.776881]  ? check_preemption_disabled+0x48/0x200
[  321.779266] = 25212kB
[  321.784796]  ? check_preemption_disabled+0x48/0x200
[  321.786749] Node 0 
[  321.791766]  ? __lock_is_held+0xb5/0x140
[  321.794150] Normal: 
[  321.799174]  discover_timer+0x50/0x60
[  321.801381] 887*4kB 
[  321.805442]  call_timer_fn+0x272/0x920
[  321.807743] (UME) 
[  321.811541]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  321.813839] 378*8kB 
[  321.817719]  ? process_timeout+0x40/0x40
[  321.819842] (UMEH) 
[  321.824680]  ? find_held_lock+0x36/0x1c0
[  321.826979] 172*16kB 
[  321.831056]  ? __run_timers+0x7da/0xc70
[  321.833259] (UMEH) 
[  321.837314]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.839700] 106*32kB 
[  321.843666]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.845879] (UMEH) 
[  321.850367]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  321.852751] 16*64kB 
[  321.857240]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  321.859453] (UMH) 
[  321.864291]  ? trace_hardirqs_on+0xbd/0x310
[  321.866588] 0*128kB 
[  321.871166]  ? kasan_check_read+0x11/0x20
[  321.873291] 1*256kB 
[  321.877614]  ? __run_timers+0x7da/0xc70
[  321.879910] (H) 
[  321.884053]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  321.886369] 0*512kB 
[  321.890365]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  321.892294] 0*1024kB 0*2048kB 
[  321.897745]  __run_timers+0x7e5/0xc70
[  321.900040] 0*4096kB 
[  321.904899]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  321.908055] = 13996kB
[  321.911847]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  321.914237] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  321.919586]  ? graph_lock+0x170/0x170
[  321.921980] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  321.926985]  ? enqueue_hrtimer+0x1a5/0x560
[  321.935798] 4508 total pagecache pages
[  321.939589]  ? lock_release+0x970/0x970
[  321.948148] 0 pages in swap cache
[  321.952382]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  321.956249] Swap cache stats: add 0, delete 0, find 0/0
[  321.960219]  ? find_held_lock+0x36/0x1c0
[  321.963649] Free swap  = 0kB
[  321.968829]  ? graph_lock+0x170/0x170
[  321.974164] Total swap = 0kB
[  321.978220]  ? pvclock_read_flags+0x160/0x160
[  321.981212] 1965979 pages RAM
[  321.985008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.987997] 0 pages HighMem/MovableOnly
[  321.992486]  ? check_preemption_disabled+0x48/0x200
[  321.995564] 343323 pages reserved
[  322.001097]  ? __lock_is_held+0xb5/0x140
[  322.005036] 0 pages cma reserved
[  322.010062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.013564] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  322.017544]  ? check_preemption_disabled+0x48/0x200
[  322.020990] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.026422]  run_timer_softirq+0x52/0xb0
[  322.032883] ksoftirqd/1 cpuset=
[  322.037895]  ? rcu_read_lock_sched_held+0x108/0x120
[  322.048180] /
[  322.052239]  __do_softirq+0x30b/0xad8
[  322.055491]  mems_allowed=0
[  322.060504]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  322.073986]  ? pvclock_read_flags+0x160/0x160
[  322.078485]  ? lapic_next_event+0x5a/0x90
[  322.082633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.088172]  ? check_preemption_disabled+0x48/0x200
[  322.093186]  ? check_preemption_disabled+0x48/0x200
[  322.098212]  ? kvm_clock_read+0x18/0x30
[  322.102187]  ? kvm_sched_clock_read+0x9/0x20
[  322.106599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.112155]  ? check_preemption_disabled+0x48/0x200
[  322.117187]  irq_exit+0x17f/0x1c0
[  322.120658]  smp_apic_timer_interrupt+0x1cb/0x760
[  322.125500]  ? smp_reschedule_interrupt+0x109/0x650
[  322.130523]  ? smp_call_function_single_interrupt+0x650/0x650
[  322.136409]  ? interrupt_entry+0xb5/0xf0
[  322.140473]  ? trace_hardirqs_off_caller+0xbb/0x300
[  322.145493]  ? trace_hardirqs_off_caller+0xbb/0x300
[  322.150511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.155368]  ? trace_hardirqs_off+0x300/0x300
[  322.159865]  ? trace_hardirqs_off+0x300/0x300
[  322.164364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.169903]  ? check_preemption_disabled+0x48/0x200
[  322.174919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.180468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.185324]  apic_timer_interrupt+0xf/0x20
[  322.189553]  </IRQ>
[  322.191794] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  322.196729] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  322.215637] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  322.223352] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  322.230623] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  322.237892] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  322.245161] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  322.252429] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  322.259758]  skb_clone+0x1bb/0x500
[  322.263311]  ? finish_task_switch+0x2f5/0x900
[  322.267812]  ? skb_split+0x11e0/0x11e0
[  322.271703]  ? preempt_notifier_register+0x200/0x200
[  322.276806]  ? __switch_to_asm+0x34/0x70
[  322.280868]  ? __switch_to_asm+0x34/0x70
[  322.284929]  ? __switch_to_asm+0x40/0x70
[  322.288987]  ? __switch_to_asm+0x34/0x70
[  322.293053]  ? __switch_to_asm+0x40/0x70
[  322.297111]  ? __switch_to_asm+0x34/0x70
[  322.301181]  ? __switch_to_asm+0x40/0x70
[  322.305241]  ? __switch_to_asm+0x34/0x70
[  322.309305]  ? __switch_to_asm+0x34/0x70
[  322.313366]  ? __switch_to_asm+0x40/0x70
[  322.317427]  ? __switch_to_asm+0x34/0x70
[  322.321495]  bpf_clone_redirect+0xb9/0x490
[  322.325733]  ? __schedule+0x874/0x1ed0
[  322.329627]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  322.334735]  ? __sched_text_start+0x8/0x8
[  322.338886]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.343659]  ? find_held_lock+0x36/0x1c0
[  322.347736]  ? lock_acquire+0x1ed/0x520
[  322.351712]  ? bpf_test_run+0x32e/0x5a0
[  322.355691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.361228]  ? check_preemption_disabled+0x48/0x200
[  322.366248]  ? kasan_check_read+0x11/0x20
[  322.370399]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.375679]  ? rcu_bh_qs+0xc0/0xc0
[  322.379221]  ? preempt_schedule+0x4d/0x60
[  322.383369]  ? ___preempt_schedule+0x16/0x18
[  322.387786]  ? bpf_test_run+0x1c0/0x5a0
[  322.391776]  ? netlink_diag_dump+0x2a0/0x2a0
[  322.396192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.401730]  ? bpf_test_init.isra.9+0x70/0x100
[  322.406324]  ? bpf_prog_test_run_skb+0x634/0xb40
[  322.411088]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  322.415930]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  322.421464]  ? fput+0x130/0x1a0
[  322.424746]  ? __bpf_prog_get+0x9b/0x290
[  322.428826]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  322.433666]  ? bpf_prog_test_run+0x130/0x1a0
[  322.438081]  ? __x64_sys_bpf+0x3d8/0x510
[  322.442153]  ? bpf_prog_get+0x20/0x20
[  322.445976]  ? do_syscall_64+0x1b9/0x820
[  322.450039]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  322.455404]  ? syscall_return_slowpath+0x5e0/0x5e0
[  322.460332]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.465176]  ? trace_hardirqs_off+0x300/0x300
[  322.469675]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  322.475180]  ? prepare_exit_to_usermode+0x291/0x3b0
[  322.480213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.485066]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  322.490454] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  322.490522] aoe: skb alloc failure
[  322.497290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  322.497299] Call Trace:
[  322.500889] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.510176]  dump_stack+0x1c4/0x2b4
[  322.512737] syz-executor4 cpuset=
[  322.523217]  ? dump_stack_print_info.cold.2+0x52/0x52
[  322.526814] syz4
[  322.530270]  warn_alloc.cold.118+0xb7/0x1bd
[  322.535424]  mems_allowed=0
[  322.537397]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  322.549438]  ? lock_downgrade+0x900/0x900
[  322.553594]  ? trace_hardirqs_off+0xb8/0x300
[  322.558012]  ? trace_hardirqs_off+0xb8/0x300
[  322.562434]  __alloc_pages_slowpath+0x2667/0x2d80
[  322.567312]  ? warn_alloc+0x120/0x120
[  322.571119]  ? warn_alloc+0x120/0x120
[  322.574933]  ? print_usage_bug+0xc0/0xc0
[  322.578995]  ? warn_alloc+0x120/0x120
[  322.582797]  ? print_usage_bug+0xc0/0xc0
[  322.586860]  ? __lock_acquire+0x7ec/0x4ec0
[  322.591092]  ? __lock_acquire+0x7ec/0x4ec0
[  322.595338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.600878]  ? should_fail+0x22d/0xd01
[  322.605231]  ? __lock_acquire+0x7ec/0x4ec0
[  322.609472]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.614573]  ? __lock_acquire+0x7ec/0x4ec0
[  322.618815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.623916]  ? __lock_acquire+0x7ec/0x4ec0
[  322.628154]  ? should_fail+0x22d/0xd01
[  322.632051]  ? mark_held_locks+0x130/0x130
[  322.636293]  ? mark_held_locks+0x130/0x130
[  322.640540]  ? graph_lock+0x170/0x170
[  322.644342]  ? print_usage_bug+0xc0/0xc0
[  322.648405]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.653166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.658706]  ? check_preemption_disabled+0x48/0x200
[  322.663720]  ? check_preemption_disabled+0x48/0x200
[  322.668751]  ? __lock_is_held+0xb5/0x140
[  322.672819]  __alloc_pages_nodemask+0xa80/0xde0
[  322.677492]  ? graph_lock+0x170/0x170
[  322.681302]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  322.686317]  ? graph_lock+0x170/0x170
[  322.690136]  ? find_held_lock+0x36/0x1c0
[  322.694211]  ? ____cache_alloc_node+0x1c7/0x1e0
[  322.698881]  ? lock_downgrade+0x900/0x900
[  322.703040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.708588]  cache_grow_begin+0x91/0x8c0
[  322.712654]  ? do_raw_spin_unlock+0xa7/0x2f0
[  322.717074]  fallback_alloc+0x203/0x2e0
[  322.721057]  ____cache_alloc_node+0x1c7/0x1e0
[  322.725559]  kmem_cache_alloc_node+0xe3/0x730
[  322.730055]  ? ipv6_get_ifaddr+0x42e/0x620
[  322.734320]  __alloc_skb+0x119/0x770
[  322.738038]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.743321]  ? skb_scrub_packet+0x490/0x490
[  322.747647]  ? lock_downgrade+0x900/0x900
[  322.751804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.757343]  ? refcount_sub_and_test_checked+0x203/0x310
[  322.762798]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  322.768256]  ? addrconf_rs_timer+0x6f0/0x6f0
[  322.772685]  ndisc_alloc_skb+0x144/0x340
[  322.776753]  ndisc_send_rs+0x331/0x6e0
[  322.780659]  addrconf_rs_timer+0x3c0/0x6f0
[  322.784900]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.789158]  call_timer_fn+0x272/0x920
[  322.793047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.797285]  ? process_timeout+0x40/0x40
[  322.801346]  ? find_held_lock+0x36/0x1c0
[  322.805419]  ? __run_timers+0x7da/0xc70
[  322.809397]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.813894]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.818393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.822654]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  322.827237]  ? trace_hardirqs_on+0xbd/0x310
[  322.831576]  ? kasan_check_read+0x11/0x20
[  322.835728]  ? __run_timers+0x7da/0xc70
[  322.839704]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  322.845184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.849423]  __run_timers+0x7e5/0xc70
[  322.853243]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  322.858603]  ? compat_start_thread+0x80/0x80
[  322.863036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.868597]  ? kasan_check_write+0x14/0x20
[  322.872833]  ? finish_task_switch+0x2f5/0x900
[  322.877329]  ? __switch_to_asm+0x40/0x70
[  322.881397]  ? preempt_notifier_register+0x200/0x200
[  322.886502]  ? __switch_to_asm+0x34/0x70
[  322.890565]  ? __switch_to_asm+0x40/0x70
[  322.894627]  ? __switch_to_asm+0x34/0x70
[  322.898692]  ? __switch_to_asm+0x40/0x70
[  322.902757]  ? __switch_to_asm+0x34/0x70
[  322.906818]  ? __switch_to_asm+0x40/0x70
[  322.910895]  ? pvclock_read_flags+0x160/0x160
[  322.915397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.920937]  ? check_preemption_disabled+0x48/0x200
[  322.925965]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  322.931509]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.936792]  ? rcu_pm_notify+0xc0/0xc0
[  322.940685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.946221]  ? check_preemption_disabled+0x48/0x200
[  322.951251]  run_timer_softirq+0x52/0xb0
[  322.955317]  ? rcu_read_lock_sched_held+0x108/0x120
[  322.960342]  __do_softirq+0x30b/0xad8
[  322.964167]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  322.969287]  ? schedule+0x108/0x460
[  322.972917]  ? __schedule+0x1ed0/0x1ed0
[  322.976900]  ? trace_hardirqs_off+0xb8/0x300
[  322.981311]  ? ___might_sleep+0x1ed/0x300
[  322.985458]  ? smpboot_thread_fn+0x68b/0xa00
[  322.989868]  ? trace_hardirqs_on+0x310/0x310
[  322.994278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.999813]  ? check_preemption_disabled+0x48/0x200
[  323.004829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.010371]  ? takeover_tasklets+0xa90/0xa90
[  323.014783]  run_ksoftirqd+0x94/0x100
[  323.018590]  smpboot_thread_fn+0x68b/0xa00
[  323.022828]  ? sort_range+0x30/0x30
[  323.026461]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.031562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.037102]  ? __kthread_parkme+0xfb/0x1a0
[  323.041355]  kthread+0x35a/0x420
[  323.044723]  ? sort_range+0x30/0x30
[  323.048346]  ? kthread_bind+0x40/0x40
[  323.052157]  ret_from_fork+0x3a/0x50
[  323.055885] warn_alloc_show_mem: 1 callbacks suppressed
[  323.055897] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  323.055899] Mem-Info:
[  323.055930] active_anon:44072 inactive_anon:951 isolated_anon:0
[  323.055930]  active_file:15 inactive_file:18 isolated_file:0
[  323.055930]  unevictable:0 dirty:0 writeback:0 unstable:0
[  323.055930]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  323.055930]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  323.055930]  free:13779 free_pcp:230 free_cma:0
[  323.061274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  323.068468] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  323.070867] Call Trace:
[  323.103831] Node 0 
[  323.113187]  <IRQ>
[  323.140967] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  323.143532]  dump_stack+0x1c4/0x2b4
[  323.145738] lowmem_reserve[]:
[  323.147881]  ? dump_stack_print_info.cold.2+0x52/0x52
[  323.173367]  0
[  323.177005]  warn_alloc.cold.118+0xb7/0x1bd
[  323.180069]  2815
[  323.185255]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  323.187030]  6318
[  323.191345]  ? lock_downgrade+0x900/0x900
[  323.193385]  6318
[  323.198223]  ? trace_hardirqs_off+0xb8/0x300
[  323.204417]  ? trace_hardirqs_off+0xb8/0x300
[  323.206454] Node 0 
[  323.210884]  __alloc_pages_slowpath+0x2667/0x2d80
[  323.215284] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  323.217515]  ? warn_alloc+0x120/0x120
[  323.222310] lowmem_reserve[]:
[  323.249213]  ? warn_alloc+0x120/0x120
[  323.252988]  0
[  323.256087]  ? print_usage_bug+0xc0/0xc0
[  323.259852]  0 3503
[  323.261657]  ? warn_alloc+0x120/0x120
[  323.265695]  3503
[  323.267933]  ? print_usage_bug+0xc0/0xc0
[  323.273784]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  323.277819] Node 0 
[  323.282821]  ? ktime_get+0x2e1/0x440
[  323.282857] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  323.285065]  ? check_preemption_disabled+0x48/0x200
[  323.288754] lowmem_reserve[]:
[  323.317141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.322135]  0
[  323.325238]  ? should_fail+0x22d/0xd01
[  323.330749]  0
[  323.332547]  ? kasan_check_read+0x11/0x20
[  323.336409]  0
[  323.338207]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.342323]  0
[  323.344117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.351172]  ? __lock_acquire+0x7ec/0x4ec0
[  323.356249] Node 0 DMA: 
[  323.360475]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.360491]  ? should_fail+0x22d/0xd01
[  323.363140] 1*4kB (U) 
[  323.368255]  ? mark_held_locks+0x130/0x130
[  323.372116] 0*8kB 
[  323.374621]  ? mark_held_locks+0x130/0x130
[  323.378827] 0*16kB 1*32kB 
[  323.380981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.385185] (U) 
[  323.388027]  ? graph_lock+0x170/0x170
[  323.393533] 2*64kB 
[  323.395501]  ? mark_held_locks+0xc7/0x130
[  323.399280] (U) 
[  323.401516]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  323.405641] 1*128kB 
[  323.407645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.412640] (U) 
[  323.414955]  ? check_preemption_disabled+0x48/0x200
[  323.420466] 1*256kB 
[  323.422434]  ? check_preemption_disabled+0x48/0x200
[  323.427425] (U) 
[  323.429763]  ? __lock_is_held+0xb5/0x140
[  323.434737] 0*512kB 1*1024kB 
[  323.436722]  __alloc_pages_nodemask+0xa80/0xde0
[  323.440750] (U) 
[  323.443860]  ? graph_lock+0x170/0x170
[  323.448523] 1*2048kB 
[  323.450492]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  323.454263] (M) 
[  323.456666]  ? graph_lock+0x170/0x170
[  323.461660] 3*4096kB 
[  323.463633]  ? find_held_lock+0x36/0x1c0
[  323.467402] (M) 
[  323.469810]  ? ____cache_alloc_node+0x1c7/0x1e0
[  323.474030] = 15908kB
[  323.476004]  ? lock_downgrade+0x900/0x900
[  323.480652] Node 0 
[  323.483071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.487188] DMA32: 
[  323.489421]  cache_grow_begin+0x91/0x8c0
[  323.494930] 1*4kB 
[  323.497165]  ? do_raw_spin_unlock+0xa7/0x2f0
[  323.501212] (M) 
[  323.503361]  fallback_alloc+0x203/0x2e0
[  323.507737] 3*8kB 
[  323.509712]  ____cache_alloc_node+0x1c7/0x1e0
[  323.513664] (UM) 
[  323.515817]  kmem_cache_alloc_node+0xe3/0x730
[  323.520286] 0*16kB 
[  323.522340]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  323.526808] 3*32kB 
[  323.529039]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  323.534115] (UM) 
[  323.536362]  __alloc_skb+0x119/0x770
[  323.540913] 2*64kB 
[  323.542969]  ? calc_wheel_index+0x220/0x220
[  323.546755] (M) 
[  323.548989]  ? skb_scrub_packet+0x490/0x490
[  323.553283] 5*128kB 
[  323.555260]  ? vprintk_default+0x28/0x30
[  323.559548] (UM) 
[  323.561871]  ? vprintk_func+0x85/0x181
[  323.565907] 3*256kB 
[  323.567963]  ? printk+0xa7/0xcf
[  323.571836] (M) 
[  323.574182]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  323.577437] 4*512kB 
[  323.579410]  new_skb+0x26/0x1c0
[  323.584146] (M) 
[  323.586472]  aoecmd_cfg+0x279/0x7f0
[  323.589730] 3*1024kB 
[  323.591702]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  323.595342] (UM) 
[  323.597754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.602047] 3*2048kB 
[  323.604105]  ? check_preemption_disabled+0x48/0x200
[  323.609614] (M) 
[  323.612019]  ? check_preemption_disabled+0x48/0x200
[  323.617014] 3*4096kB 
[  323.618991]  ? __lock_is_held+0xb5/0x140
[  323.623969] (M) 
[  323.626380]  discover_timer+0x50/0x60
[  323.630404] = 25212kB
[  323.632374]  call_timer_fn+0x272/0x920
[  323.636151] Node 0 
[  323.638557]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  323.642418] Normal: 
[  323.644648]  ? process_timeout+0x40/0x40
[  323.649483] 887*4kB 
[  323.651801]  ? find_held_lock+0x36/0x1c0
[  323.655836] (UME) 
[  323.658173]  ? __run_timers+0x7da/0xc70
[  323.662208] 378*8kB 
[  323.664352]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.668302] (UMEH) 
[  323.670616]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.675080] 172*16kB (UMEH) 
[  323.677318]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  323.681786] 106*32kB 
[  323.684799]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  323.689614] (UMEH) 
[  323.692020]  ? trace_hardirqs_on+0xbd/0x310
[  323.696578] 16*64kB 
[  323.698804]  ? kasan_check_read+0x11/0x20
[  323.703099] (UMH) 
[  323.705429]  ? __run_timers+0x7da/0xc70
[  323.709598] 0*128kB 
[  323.711741]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.715689] 1*256kB 
[  323.718038]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  323.723454] (H) 
[  323.725771]  __run_timers+0x7e5/0xc70
[  323.730586] 0*512kB 
[  323.732565]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  323.736335] 0*1024kB 
[  323.738652]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  323.738668]  ? graph_lock+0x170/0x170
[  323.744012] 0*2048kB 
[  323.746416]  ? enqueue_hrtimer+0x1a5/0x560
[  323.751405] 0*4096kB 
[  323.755196]  ? lock_release+0x970/0x970
[  323.757583] = 13996kB
[  323.761806]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  323.764198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  323.768172]  ? find_held_lock+0x36/0x1c0
[  323.770566] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  323.775775]  ? graph_lock+0x170/0x170
[  323.784586] 4508 total pagecache pages
[  323.788636]  ? pvclock_read_flags+0x160/0x160
[  323.797195] 0 pages in swap cache
[  323.800981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.804843] Swap cache stats: add 0, delete 0, find 0/0
[  323.809329]  ? check_preemption_disabled+0x48/0x200
[  323.812768] Free swap  = 0kB
[  323.818306]  ? __lock_is_held+0xb5/0x140
[  323.823640] Total swap = 0kB
[  323.828647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.831649] 1965979 pages RAM
[  323.835701]  ? check_preemption_disabled+0x48/0x200
[  323.838693] 0 pages HighMem/MovableOnly
[  323.844226]  run_timer_softirq+0x52/0xb0
[  323.847302] 343323 pages reserved
[  323.852309]  ? rcu_read_lock_sched_held+0x108/0x120
[  323.856257] 0 pages cma reserved
[  323.860314]  __do_softirq+0x30b/0xad8
[  323.863811] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  323.868753]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  323.872198] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  323.875894]  ? pvclock_read_flags+0x160/0x160
[  323.882356] ksoftirqd/1 cpuset=
[  323.887449]  ? lapic_next_event+0x5a/0x90
[  323.897748] /
[  323.902246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.905500]  mems_allowed=0
[  323.909639]  ? check_preemption_disabled+0x48/0x200
[  323.924772]  ? check_preemption_disabled+0x48/0x200
[  323.929800]  ? kvm_clock_read+0x18/0x30
[  323.933773]  ? kvm_sched_clock_read+0x9/0x20
[  323.938189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.943728]  ? check_preemption_disabled+0x48/0x200
[  323.948760]  irq_exit+0x17f/0x1c0
[  323.952217]  smp_apic_timer_interrupt+0x1cb/0x760
[  323.957060]  ? smp_reschedule_interrupt+0x109/0x650
[  323.962077]  ? smp_call_function_single_interrupt+0x650/0x650
[  323.967960]  ? interrupt_entry+0xb5/0xf0
[  323.972027]  ? trace_hardirqs_off_caller+0xbb/0x300
[  323.977039]  ? trace_hardirqs_off_caller+0xbb/0x300
[  323.982059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.986904]  ? trace_hardirqs_off+0x300/0x300
[  323.991397]  ? trace_hardirqs_off+0x300/0x300
[  323.995897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.001434]  ? check_preemption_disabled+0x48/0x200
[  324.006450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.011995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.016859]  apic_timer_interrupt+0xf/0x20
[  324.021085]  </IRQ>
[  324.023325] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  324.028255] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
[  324.047159] RSP: 0000:ffff8801a044f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  324.054871] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  324.062149] RDX: 0000000000000000 RSI: ffff8801a0000b40 RDI: 0000000000000282
[  324.069418] RBP: ffff8801a044f7b0 R08: ffff8801a00002c0 R09: 0000000000000000
[  324.076698] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  324.083971] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  324.091282]  skb_clone+0x1bb/0x500
[  324.094828]  ? finish_task_switch+0x2f5/0x900
[  324.099326]  ? skb_split+0x11e0/0x11e0
[  324.103213]  ? preempt_notifier_register+0x200/0x200
[  324.108314]  ? __switch_to_asm+0x34/0x70
[  324.112376]  ? __switch_to_asm+0x34/0x70
[  324.116435]  ? __switch_to_asm+0x40/0x70
[  324.120500]  ? __switch_to_asm+0x34/0x70
[  324.124562]  ? __switch_to_asm+0x40/0x70
[  324.128620]  ? __switch_to_asm+0x34/0x70
[  324.132679]  ? __switch_to_asm+0x40/0x70
[  324.136739]  ? __switch_to_asm+0x34/0x70
[  324.140799]  ? __switch_to_asm+0x34/0x70
[  324.144859]  ? __switch_to_asm+0x40/0x70
[  324.148916]  ? __switch_to_asm+0x34/0x70
[  324.152998]  bpf_clone_redirect+0xb9/0x490
[  324.157237]  ? __schedule+0x874/0x1ed0
[  324.161146]  bpf_prog_5ea22db20b9c1c92+0xf28/0x1000
[  324.166179]  ? __sched_text_start+0x8/0x8
[  324.170332]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.175102]  ? find_held_lock+0x36/0x1c0
[  324.179198]  ? lock_acquire+0x1ed/0x520
[  324.183206]  ? bpf_test_run+0x32e/0x5a0
[  324.187189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.192727]  ? check_preemption_disabled+0x48/0x200
[  324.197746]  ? kasan_check_read+0x11/0x20
[  324.201900]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  324.207182]  ? rcu_bh_qs+0xc0/0xc0
[  324.210730]  ? preempt_schedule+0x4d/0x60
[  324.214883]  ? ___preempt_schedule+0x16/0x18
[  324.219302]  ? bpf_test_run+0x1c0/0x5a0
[  324.223291]  ? netlink_diag_dump+0x2a0/0x2a0
[  324.227735]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.233269]  ? bpf_test_init.isra.9+0x70/0x100
[  324.237859]  ? bpf_prog_test_run_skb+0x634/0xb40
[  324.242624]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  324.247472]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  324.253010]  ? fput+0x130/0x1a0
[  324.256292]  ? __bpf_prog_get+0x9b/0x290
[  324.260359]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  324.265204]  ? bpf_prog_test_run+0x130/0x1a0
[  324.269619]  ? __x64_sys_bpf+0x3d8/0x510
[  324.273680]  ? bpf_prog_get+0x20/0x20
[  324.277505]  ? do_syscall_64+0x1b9/0x820
[  324.281569]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  324.286940]  ? syscall_return_slowpath+0x5e0/0x5e0
[  324.291871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.296745]  ? trace_hardirqs_off+0x300/0x300
[  324.301245]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  324.306268]  ? prepare_exit_to_usermode+0x291/0x3b0
[  324.311294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.316161]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  324.321546] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93
[  324.321613] aoe: skb alloc failure
[  324.328384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  324.328393] Call Trace:
[  324.332006] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  324.341275]  dump_stack+0x1c4/0x2b4
[  324.343834] syz-executor4 cpuset=
[  324.354316]  ? dump_stack_print_info.cold.2+0x52/0x52
[  324.357916] syz4
[  324.361376]  warn_alloc.cold.118+0xb7/0x1bd
[  324.366530]  mems_allowed=0
[  324.375748]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  324.380611]  ? lock_downgrade+0x900/0x900
[  324.384778]  ? trace_hardirqs_off+0xb8/0x300
[  324.389200]  ? trace_hardirqs_off+0xb8/0x300
[  324.393626]  __alloc_pages_slowpath+0x2667/0x2d80
[  324.398517]  ? warn_alloc+0x120/0x120
[  324.402328]  ? warn_alloc+0x120/0x120
[  324.406143]  ? print_usage_bug+0xc0/0xc0
[  324.410213]  ? warn_alloc+0x120/0x120
[  324.414022]  ? print_usage_bug+0xc0/0xc0
[  324.418093]  ? __lock_acquire+0x7ec/0x4ec0
[  324.422340]  ? __lock_acquire+0x7ec/0x4ec0
[  324.426584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.432135]  ? should_fail+0x22d/0xd01
[  324.436035]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.441147]  ? __lock_acquire+0x7ec/0x4ec0
[  324.445396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.450500]  ? __lock_acquire+0x7ec/0x4ec0
[  324.454735]  ? should_fail+0x22d/0xd01
[  324.458621]  ? print_usage_bug+0xc0/0xc0
[  324.462703]  ? mark_held_locks+0x130/0x130
[  324.466943]  ? mark_held_locks+0x130/0x130
[  324.471191]  ? graph_lock+0x170/0x170
[  324.474996]  ? print_usage_bug+0xc0/0xc0
[  324.479061]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.483820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.489443]  ? check_preemption_disabled+0x48/0x200
[  324.494461]  ? check_preemption_disabled+0x48/0x200
[  324.499491]  ? __lock_is_held+0xb5/0x140
[  324.503563]  __alloc_pages_nodemask+0xa80/0xde0
[  324.508245]  ? graph_lock+0x170/0x170
[  324.512057]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  324.517076]  ? graph_lock+0x170/0x170
[  324.520892]  ? find_held_lock+0x36/0x1c0
[  324.524964]  ? ____cache_alloc_node+0x1c7/0x1e0
[  324.529653]  ? lock_downgrade+0x900/0x900
[  324.533928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.539477]  cache_grow_begin+0x91/0x8c0
[  324.543560]  ? do_raw_spin_unlock+0xa7/0x2f0
[  324.547980]  fallback_alloc+0x203/0x2e0
[  324.551969]  ____cache_alloc_node+0x1c7/0x1e0
[  324.556477]  kmem_cache_alloc_node+0xe3/0x730
[  324.561074]  ? ipv6_get_ifaddr+0x42e/0x620
[  324.565322]  __alloc_skb+0x119/0x770
[  324.569038]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  324.574321]  ? skb_scrub_packet+0x490/0x490
[  324.578648]  ? lock_downgrade+0x900/0x900
[  324.582807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.588347]  ? refcount_sub_and_test_checked+0x203/0x310
[  324.593807]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  324.599262]  ? addrconf_rs_timer+0x6f0/0x6f0
[  324.603685]  ndisc_alloc_skb+0x144/0x340
[  324.608280]  ndisc_send_rs+0x331/0x6e0
[  324.612184]  addrconf_rs_timer+0x3c0/0x6f0
[  324.616425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.620683]  call_timer_fn+0x272/0x920
[  324.624584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.628826]  ? process_timeout+0x40/0x40
[  324.632885]  ? find_held_lock+0x36/0x1c0
[  324.636959]  ? __run_timers+0x7da/0xc70
[  324.640939]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.645452]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.649950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.654191]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  324.658788]  ? trace_hardirqs_on+0xbd/0x310
[  324.663112]  ? kasan_check_read+0x11/0x20
[  324.667285]  ? __run_timers+0x7da/0xc70
[  324.671264]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  324.676727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.680968]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.685207]  __run_timers+0x7e5/0xc70
[  324.689026]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  324.694394]  ? compat_start_thread+0x80/0x80
[  324.698813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.704362]  ? kasan_check_write+0x14/0x20
[  324.708608]  ? finish_task_switch+0x2f5/0x900
[  324.713108]  ? __switch_to_asm+0x40/0x70
[  324.717203]  ? preempt_notifier_register+0x200/0x200
[  324.722314]  ? __switch_to_asm+0x34/0x70
[  324.726405]  ? __switch_to_asm+0x40/0x70
[  324.730468]  ? __switch_to_asm+0x34/0x70
[  324.734530]  ? __switch_to_asm+0x40/0x70
[  324.738589]  ? __switch_to_asm+0x34/0x70
[  324.742657]  ? __switch_to_asm+0x40/0x70
[  324.746731]  ? pvclock_read_flags+0x160/0x160
[  324.751230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.756772]  ? check_preemption_disabled+0x48/0x200
[  324.761823]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  324.767362]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  324.772650]  ? rcu_pm_notify+0xc0/0xc0
[  324.776544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.782256]  ? check_preemption_disabled+0x48/0x200
[  324.787287]  run_timer_softirq+0x52/0xb0
[  324.791354]  ? rcu_read_lock_sched_held+0x108/0x120
[  324.796379]  __do_softirq+0x30b/0xad8
[  324.800199]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  324.805322]  ? schedule+0x108/0x460
[  324.808959]  ? __schedule+0x1ed0/0x1ed0
[  324.812944]  ? trace_hardirqs_off+0xb8/0x300
[  324.817355]  ? ___might_sleep+0x1ed/0x300
[  324.821512]  ? smpboot_thread_fn+0x68b/0xa00
[  324.825928]  ? trace_hardirqs_on+0x310/0x310
[  324.830344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.835898]  ? check_preemption_disabled+0x48/0x200
[  324.840923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.846474]  ? takeover_tasklets+0xa90/0xa90
[  324.850900]  run_ksoftirqd+0x94/0x100
[  324.854707]  smpboot_thread_fn+0x68b/0xa00
[  324.858950]  ? sort_range+0x30/0x30
[  324.862584]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  324.867695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.873244]  ? __kthread_parkme+0xfb/0x1a0
[  324.877490]  kthread+0x35a/0x420
[  324.880857]  ? sort_range+0x30/0x30
[  324.884925]  ? kthread_bind+0x40/0x40
[  324.888731]  ret_from_fork+0x3a/0x50
[  324.892462] warn_alloc_show_mem: 1 callbacks suppressed
[  324.892474] CPU: 0 PID: 8187 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #93
[  324.892476] Mem-Info:
[  324.892506] active_anon:44072 inactive_anon:951 isolated_anon:0
[  324.892506]  active_file:15 inactive_file:18 isolated_file:0
[  324.892506]  unevictable:0 dirty:0 writeback:0 unstable:0
[  324.892506]  slab_reclaimable:8750 slab_unreclaimable:1462360
[  324.892506]  mapped:57522 shmem:4475 pagetables:678 bounce:0
[  324.892506]  free:13779 free_pcp:230 free_cma:0
[  324.897850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  324.905043] Node 0 active_anon:176288kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  324.907440] Call Trace:
[  324.940406] Node 0 
[  324.949852]  <IRQ>
[  324.977630] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  324.980202]  dump_stack+0x1c4/0x2b4
[  324.982409] lowmem_reserve[]:
[  324.984556]  ? dump_stack_print_info.cold.2+0x52/0x52
[  325.010049]  0
[  325.013694]  warn_alloc.cold.118+0xb7/0x1bd
[  325.016751]  2815 6318
[  325.021950]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  325.023719]  6318
[  325.028040]  ? lock_downgrade+0x900/0x900
[  325.035350]  ? trace_hardirqs_off+0xb8/0x300
[  325.037381] Node 0 
[  325.041524]  ? trace_hardirqs_off+0xb8/0x300
[  325.045926] DMA32 free:25212kB min:30036kB low:37544kB high:45052kB active_anon:120kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  325.048164]  __alloc_pages_slowpath+0x2667/0x2d80
[  325.052535] lowmem_reserve[]:
[  325.079454]  ? warn_alloc+0x120/0x120
[  325.084245]  0
[  325.087349]  ? warn_alloc+0x120/0x120
[  325.091117]  0
[  325.092927]  ? print_usage_bug+0xc0/0xc0
[  325.096703]  3503
[  325.098512]  ? warn_alloc+0x120/0x120
[  325.102545]  3503
[  325.104601]  ? print_usage_bug+0xc0/0xc0
[  325.110430]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  325.114466] Node 0 
[  325.119468]  ? ktime_get+0x2e1/0x440
[  325.119503] Normal free:13996kB min:37376kB low:46720kB high:56064kB active_anon:176168kB inactive_anon:3804kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2712kB bounce:0kB free_pcp:672kB local_pcp:164kB free_cma:0kB
[  325.121711]  ? check_preemption_disabled+0x48/0x200
[  325.125400] lowmem_reserve[]:
[  325.153775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.158762]  0
[  325.161863]  ? should_fail+0x22d/0xd01
[  325.167368]  0
[  325.169170]  ? kasan_check_read+0x11/0x20
[  325.173031]  0
[  325.174835]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  325.178951]  0
[  325.180747]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.187800]  ? __lock_acquire+0x7ec/0x4ec0
[  325.192875] Node 0 DMA: 
[  325.197104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.197120]  ? should_fail+0x22d/0xd01
[  325.199783] 1*4kB 
[  325.204888]  ? mark_held_locks+0x130/0x130
[  325.208738] (U) 
[  325.210881]  ? mark_held_locks+0x130/0x130
[  325.215145] 0*8kB 
[  325.217118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.221332] 0*16kB 
[  325.223481]  ? graph_lock+0x170/0x170
[  325.229083] 1*32kB 
[  325.231313]  ? mark_held_locks+0xc7/0x130
[  325.235089] (U) 
[  325.237323]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  325.241438] 2*64kB (U) 
[  325.243421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.248410] 1*128kB 
[  325.250983]  ? check_preemption_disabled+0x48/0x200
[  325.256494] (U) 
[  325.258815]  ? check_preemption_disabled+0x48/0x200
[  325.263807] 1*256kB 
[  325.265838]  ? __lock_is_held+0xb5/0x140
[  325.270820] (U) 
[  325.273176]  __alloc_pages_nodemask+0xa80/0xde0
[  325.277207] 0*512kB 
[  325.279182]  ? graph_lock+0x170/0x170
[  325.283827] 1*1024kB 
[  325.286158]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  325.289924] (U) 
[  325.292325]  ? graph_lock+0x170/0x170
[  325.297317] 1*2048kB 
[  325.299293]  ? find_held_lock+0x36/0x1c0
[  325.303057] (M) 
[  325.305466]  ? ____cache_alloc_node+0x1c7/0x1e0
[  325.309494] 3*4096kB 
[  325.311464]  ? lock_downgrade+0x900/0x900
[  325.316109] (M) 
[  325.318530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.322654] = 15908kB
[  325.324627]  cache_grow_begin+0x91/0x8c0
[  325.330157] Node 0 
[  325.332561]  ? do_raw_spin_unlock+0xa7/0x2f0
[  325.336597] DMA32: 
[  325.338837]  fallback_alloc+0x203/0x2e0
[  325.343216] 1*4kB 
[  325.345449]  ____cache_alloc_node+0x1c7/0x1e0
[  325.349392] (M) 
[  325.351536]  kmem_cache_alloc_node+0xe3/0x730
[  325.356000] 3*8kB 
[  325.357969]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  325.362431] (UM) 
[  325.364575]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  325.369658] 0*16kB 
[  325.371721]  __alloc_skb+0x119/0x770
[  325.376270] 3*32kB 
[  325.378499]  ? calc_wheel_index+0x220/0x220
[  325.382185] (UM) 
[  325.384422]  ? skb_scrub_packet+0x490/0x490
[  325.388713] 2*64kB 
[  325.390859]  ? vprintk_default+0x28/0x30
[  325.395157] (M) 
[  325.397392]  ? vprintk_func+0x85/0x181
[  325.401450] 5*128kB 
[  325.403424]  ? printk+0xa7/0xcf
[  325.407301] (UM) 
[  325.409620]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  325.412876] 3*256kB 
[  325.414936]  new_skb+0x26/0x1c0
[  325.419660] (M) 
[  325.421978]  aoecmd_cfg+0x279/0x7f0
[  325.425237] 4*512kB 
[  325.427209]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  325.430808] (M) 
[  325.433140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.437427] 3*1024kB 
[  325.439394]  ? check_preemption_disabled+0x48/0x200
[  325.444907] (UM) 
[  325.447314]  ? check_preemption_disabled+0x48/0x200
[  325.452302] 3*2048kB (M) 
[  325.454376]  ? __lock_is_held+0xb5/0x140
[  325.459363] 3*4096kB 
[  325.462123]  discover_timer+0x50/0x60
[  325.466157] (M) 
[  325.468570]  call_timer_fn+0x272/0x920
[  325.472342] = 25212kB
[  325.474768]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  325.478633] Node 0 
[  325.481036]  ? process_timeout+0x40/0x40
[  325.485850] Normal: 
[  325.488077]  ? find_held_lock+0x36/0x1c0
[  325.492111] 887*4kB 
[  325.494443]  ? __run_timers+0x7da/0xc70
[  325.498471] (UME) 
[  325.500788]  ? _raw_spin_unlock_irq+0x27/0x80
[  325.504735] 378*8kB 
[  325.506877]  ? _raw_spin_unlock_irq+0x27/0x80
[  325.511344] (UMEH) 
[  325.513663]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  325.518135] 172*16kB (UMEH) 106*32kB 
[  325.520381]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  325.525196] (UMEH) 
[  325.528996]  ? trace_hardirqs_on+0xbd/0x310
[  325.533552] 16*64kB 
[  325.535785]  ? kasan_check_read+0x11/0x20
[  325.540081] (UMH) 
[  325.542406]  ? __run_timers+0x7da/0xc70
[  325.546527] 0*128kB 
[  325.548676]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  325.552620] 1*256kB 
[  325.554949]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  325.560361] (H) 
[  325.562683]  __run_timers+0x7e5/0xc70
[  325.567500] 0*512kB 
[  325.569485]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  325.573244] 0*1024kB 
[  325.575564]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  325.580907] 0*2048kB 
[  325.583323]  ? graph_lock+0x170/0x170
[  325.588313] 0*4096kB 
[  325.590719]  ? enqueue_hrtimer+0x1a5/0x560
[  325.594484] = 13996kB
[  325.594498] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  325.597834]  ? lock_release+0x970/0x970
[  325.597851]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  325.602069] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  325.604474]  ? find_held_lock+0x36/0x1c0
[  325.613286] 4508 total pagecache pages
[  325.617263]  ? graph_lock+0x170/0x170
[  325.622428] 0 pages in swap cache
[  325.631000]  ? pvclock_read_flags+0x160/0x160
[  325.635054] Swap cache stats: add 0, delete 0, find 0/0
[  325.638937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.642712] Free swap  = 0kB
[  325.646177]  ? check_preemption_disabled+0x48/0x200
[  325.650654] Total swap = 0kB
[  325.656027]  ? __lock_is_held+0xb5/0x140
[  325.661534] 1965979 pages RAM
[  325.664552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.669540] 0 pages HighMem/MovableOnly
[  325.672551]  ? check_preemption_disabled+0x48/0x200
[  325.676584] 343323 pages reserved
[  325.676593] 0 pages cma reserved
[  325.679696]  run_timer_softirq+0x52/0xb0
[  325.685268] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  325.689173]  ? rcu_read_lock_sched_held+0x108/0x120
[  325.694266] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  325.697611]  __do_softirq+0x30b/0xad8
[  325.700951] ksoftirqd/1 cpuset=
[  325.705012]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  325.711470] /
[  325.716479]  ? pvclock_read_flags+0x160/0x160
[  325.726767]  mems_allowed=0
[  325.730563]  ? lapic_next_event+0x5a/0x90