0x16/0x20
[  166.041800]  ? refcount_sub_and_test_checked+0x203/0x310
[  166.047253]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  166.052697]  ? addrconf_rs_timer+0x690/0x690
[  166.057110]  ndisc_alloc_skb+0x144/0x340
[  166.061172]  ndisc_send_rs+0x331/0x6e0
[  166.065061]  addrconf_rs_timer+0x314/0x690
[  166.069290]  ? lock_release+0x970/0x970
[  166.073264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  166.077503]  call_timer_fn+0x272/0x920
[  166.081390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  166.085625]  ? process_timeout+0x40/0x40
[  166.089683]  ? kasan_check_read+0x11/0x20
[  166.093831]  ? do_raw_spin_unlock+0xa7/0x2f0
[  166.098236]  ? trace_hardirqs_on+0x310/0x310
[  166.103107]  ? __run_timers+0x7da/0xc70
[  166.107078]  ? lock_downgrade+0x900/0x900
[  166.111225]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  166.116327]  ? trace_hardirqs_on+0xbd/0x310
[  166.120644]  ? kasan_check_read+0x11/0x20
[  166.124786]  ? __run_timers+0x7da/0xc70
[  166.128756]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  166.134202]  ? kasan_check_write+0x14/0x20
[  166.138432]  ? do_raw_spin_lock+0xc1/0x200
[  166.142664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  166.146893]  __run_timers+0x7e5/0xc70
[  166.150697]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  166.156059]  ? lock_downgrade+0x900/0x900
[  166.160203]  ? finish_task_switch+0x1b5/0x900
[  166.164696]  ? trace_hardirqs_on+0xbd/0x310
[  166.169027]  ? kasan_check_read+0x11/0x20
[  166.173172]  ? finish_task_switch+0x1f5/0x900
[  166.177663]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  166.183108]  ? compat_start_thread+0x80/0x80
[  166.188313]  ? pvclock_read_flags+0x160/0x160
[  166.192803]  ? __switch_to_asm+0x34/0x70
[  166.196863]  ? __switch_to_asm+0x34/0x70
[  166.200923]  ? __switch_to_asm+0x40/0x70
[  166.204983]  ? __switch_to_asm+0x40/0x70
[  166.209066]  ? __switch_to_asm+0x34/0x70
[  166.213121]  ? __switch_to_asm+0x40/0x70
[  166.217184]  ? trace_hardirqs_on+0xbd/0x310
[  166.221503]  ? kvm_sched_clock_read+0x9/0x20
[  166.225910]  ? run_ksoftirqd+0x94/0x100
[  166.229881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  166.235514]  ? check_preemption_disabled+0x48/0x200
[  166.240529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  166.246072]  run_timer_softirq+0x52/0xb0
[  166.250131]  ? __this_cpu_preempt_check+0x1c/0x1f
[  166.254973]  __do_softirq+0x30b/0xad8
[  166.258793]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  166.263896]  ? trace_hardirqs_off+0x310/0x310
[  166.268390]  ? retint_kernel+0x1b/0x2d
[  166.272276]  ? schedule+0x108/0x460
[  166.275909]  ? trace_hardirqs_off+0xb8/0x310
[  166.280315]  ? smpboot_thread_fn+0x68b/0xa00
[  166.284722]  ? trace_hardirqs_on+0x310/0x310
[  166.289128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  166.294663]  ? check_preemption_disabled+0x48/0x200
[  166.299684]  ? takeover_tasklets+0xa90/0xa90
[  166.304096]  run_ksoftirqd+0x94/0x100
[  166.307892]  smpboot_thread_fn+0x68b/0xa00
[  166.312123]  ? sort_range+0x30/0x30
[  166.315747]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  166.320848]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  166.326385]  ? __kthread_parkme+0xfb/0x1a0
[  166.330622]  kthread+0x35a/0x420
[  166.333983]  ? sort_range+0x30/0x30
[  166.337618]  ? kthread_bind+0x40/0x40
[  166.341434]  ret_from_fork+0x3a/0x50
[  166.345155] warn_alloc_show_mem: 1 callbacks suppressed
[  166.345167] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  166.345168] Mem-Info:
[  166.345198] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  166.345198]  active_file:17 inactive_file:15 isolated_file:0
[  166.345198]  unevictable:0 dirty:0 writeback:0 unstable:0
[  166.345198]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  166.345198]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  166.345198]  free:13630 free_pcp:175 free_cma:0
[  166.350532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  166.357811] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  166.360207] Call Trace:
[  166.393824] Node 0 
[  166.403168]  <IRQ>
[  166.430938] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  166.433486]  dump_stack+0x1c4/0x2b4
[  166.435689] lowmem_reserve[]:
[  166.437830]  ? dump_stack_print_info.cold.2+0x52/0x52
[  166.463301]  0
[  166.466955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  166.470030]  2819
[  166.475212]  warn_alloc.cold.119+0xb7/0x1bd
[  166.476985]  6323
[  166.482534]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  166.484573]  6323
[  166.488884]  ? lock_downgrade+0x900/0x900
[  166.495752]  ? trace_hardirqs_off+0xb8/0x310
[  166.497798] Node 0 
[  166.501939]  ? trace_hardirqs_off+0xb8/0x310
[  166.506344] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  166.508547]  __alloc_pages_slowpath+0x2667/0x2d80
[  166.512926] lowmem_reserve[]:
[  166.539908]  ? warn_alloc+0x120/0x120
[  166.544715]  0
[  166.547814]  ? trace_hardirqs_on+0x310/0x310
[  166.551586]  0
[  166.553378]  ? warn_alloc+0x120/0x120
[  166.557758]  3503
[  166.559553]  ? warn_alloc+0x120/0x120
[  166.563327]  3503
[  166.565380]  ? ktime_get+0x2e1/0x440
[  166.571216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  166.574896] Node 0 
[  166.580421]  ? check_preemption_disabled+0x48/0x200
[  166.580452] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  166.580459] lowmem_reserve[]:
[  166.582689]  ? kasan_check_read+0x11/0x20
[  166.587681]  0
[  166.616127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  166.619204]  0
[  166.623346]  ? should_fail+0x22d/0xd01
[  166.625121]  0
[  166.630653]  ? rcu_bh_qs+0xc0/0xc0
[  166.632424]  0
[  166.636303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  166.641605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  166.643383] Node 0 
[  166.648480]  ? should_fail+0x22d/0xd01
[  166.653997] DMA: 
[  166.656230]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  166.660086] 1*4kB 
[  166.662137]  ? should_fail+0x22d/0xd01
[  166.667213] (U) 
[  166.669360]  ? rcu_idle_enter+0x4b0/0x4b0
[  166.673217] 0*8kB 
[  166.675188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  166.679310] 0*16kB 
[  166.681453]  ? mark_held_locks+0x130/0x130
[  166.686524] 1*32kB 
[  166.688751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  166.692956] (U) 
[  166.695183]  ? mark_held_locks+0x130/0x130
[  166.700697] 2*64kB 
[  166.702664]  ? rcu_irq_exit+0xce/0x100
[  166.706872] (U) 
[  166.709105]  ? irq_exit+0xbd/0x1c0
[  166.712964] 1*128kB 
[  166.714934]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  166.718447] (U) 
[  166.720760]  ? do_raw_spin_unlock+0xa7/0x2f0
[  166.725747] 1*256kB 
[  166.727713]  ? smp_call_function_single_interrupt+0x650/0x650
[  166.732095] (U) 
[  166.734409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  166.740258] 0*512kB 1*1024kB 
[  166.742234]  ? ret_from_intr+0xb/0x1e
[  166.747741] (U) 
[  166.750837]  ? retint_kernel+0x2d/0x2d
[  166.754608] 1*2048kB 
[  166.756578]  ? trace_hardirqs_on_caller+0xc0/0x310
[  166.760436] (M) 
[  166.762841]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  166.767742] 3*4096kB 
[  166.769706]  ? trace_hardirqs_off+0x310/0x310
[  166.774430] (M) 
[  166.776835]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  166.781298] = 15908kB
[  166.783272]  __alloc_pages_nodemask+0xa80/0xde0
[  166.788341] Node 0 
[  166.790742]  ? should_fail+0x22d/0xd01
[  166.795383] DMA32: 
[  166.797610]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  166.801472] 3*4kB 
[  166.803740]  ? ____cache_alloc_node+0x1c7/0x1e0
[  166.808713] (ME) 
[  166.810857]  ? lock_downgrade+0x900/0x900
[  166.815498] 2*8kB 
[  166.817560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  166.821678] (ME) 
[  166.823824]  cache_grow_begin+0x91/0x8c0
[  166.829334] 4*16kB 
[  166.831392]  ? do_raw_spin_unlock+0xa7/0x2f0
[  166.835421] (UME) 
[  166.837653]  fallback_alloc+0x203/0x2e0
[  166.842037] 3*32kB 
[  166.844181]  ____cache_alloc_node+0x1c7/0x1e0
[  166.848123] (ME) 
[  166.850350]  kmem_cache_alloc_node+0xe3/0x730
[  166.854815] 5*64kB 
[  166.856868]  ? ipv6_get_ifaddr+0x42e/0x620
[  166.861331] (ME) 
[  166.863561]  __alloc_skb+0x119/0x770
[  166.867766] 5*128kB 
[  166.869820]  ? skb_scrub_packet+0x490/0x490
[  166.873512] (UME) 
[  166.875832]  ? lock_downgrade+0x900/0x900
[  166.880128] 5*256kB 
[  166.882270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  166.886390] (UME) 
[  166.888707]  ? refcount_sub_and_test_checked+0x203/0x310
[  166.894217] 4*512kB 
[  166.896357]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  166.901780] (ME) 
[  166.904098]  ? addrconf_rs_timer+0x690/0x690
[  166.909521] 4*1024kB 
[  166.911574]  ndisc_alloc_skb+0x144/0x340
[  166.915953] (UME) 
[  166.918356]  ndisc_send_rs+0x331/0x6e0
[  166.922394] 2*2048kB 
[  166.924533]  addrconf_rs_timer+0x314/0x690
[  166.928396] (ME) 
[  166.930826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  166.935034] 3*4096kB 
[  166.937094]  call_timer_fn+0x272/0x920
[  166.941294] (M) 
[  166.943697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  166.947561] = 24956kB
[  166.949533]  ? process_timeout+0x40/0x40
[  166.953744] Node 0 
[  166.956147]  ? trace_hardirqs_off+0xb8/0x310
[  166.966167] Normal: 
[  166.968398]  ? kasan_check_read+0x11/0x20
[  166.972781] 1016*4kB 
[  166.975094]  ? do_raw_spin_unlock+0xa7/0x2f0
[  166.979209] (UME) 
[  166.981608]  ? trace_hardirqs_on+0x310/0x310
[  166.986006] 447*8kB 
[  166.988145]  ? __run_timers+0x7da/0xc70
[  166.992526] (ME) 
[  166.994841]  ? lock_downgrade+0x900/0x900
[  166.998788] 188*16kB 
[  167.000842]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  167.004959] (UME) 
[  167.007407]  ? trace_hardirqs_on+0xbd/0x310
[  167.012483] 54*32kB 
[  167.014631]  ? kasan_check_read+0x11/0x20
[  167.018922] (UME) 
[  167.021236]  ? __run_timers+0x7da/0xc70
[  167.025360] 20*64kB 
[  167.027505]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  167.031447] (UM) 
[  167.033759]  ? kasan_check_write+0x14/0x20
[  167.039182] 0*128kB 
[  167.041238]  ? do_raw_spin_lock+0xc1/0x200
[  167.045447] 0*256kB 
[  167.047761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  167.051970] 0*512kB 
[  167.054290]  __run_timers+0x7e5/0xc70
[  167.058489] 0*1024kB 0*2048kB 
[  167.060824]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  167.064590] 0*4096kB 
[  167.067771]  ? lock_acquire+0x1ed/0x520
[  167.073107] = 13656kB
[  167.075516]  ? __hrtimer_run_queues+0x488/0x10d0
[  167.079466] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  167.081859]  ? lock_release+0x970/0x970
[  167.086591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  167.095415]  ? trace_hardirqs_off+0xb8/0x310
[  167.099360] 4246 total pagecache pages
[  167.107929]  ? do_raw_spin_unlock+0xa7/0x2f0
[  167.112307] 0 pages in swap cache
[  167.116185]  ? kasan_check_write+0x14/0x20
[  167.120568] Swap cache stats: add 0, delete 0, find 0/0
[  167.124020]  ? pvclock_read_flags+0x160/0x160
[  167.128226] Free swap  = 0kB
[  167.133578]  ? lock_downgrade+0x900/0x900
[  167.138044] Total swap = 0kB
[  167.141058]  ? trace_hardirqs_on+0xbd/0x310
[  167.145180] 1965979 pages RAM
[  167.148196]  ? kvm_sched_clock_read+0x9/0x20
[  167.152491] 0 pages HighMem/MovableOnly
[  167.155590]  ? irq_exit+0x17f/0x1c0
[  167.159967] 342307 pages reserved
[  167.163931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.167530] 0 pages cma reserved
[  167.170979]  ? check_preemption_disabled+0x48/0x200
[  167.176546] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  167.179854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.184903] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  167.191333]  run_timer_softirq+0x52/0xb0
[  167.196842] ksoftirqd/0 cpuset=
[  167.207151]  ? __this_cpu_preempt_check+0x1c/0x1f
[  167.211188] /
[  167.214461]  __do_softirq+0x30b/0xad8
[  167.219285]  mems_allowed=0
[  167.220999]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  167.232789]  ? pvclock_read_flags+0x160/0x160
[  167.237284]  ? lapic_next_event+0x5a/0x90
[  167.241435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.246975]  ? clockevents_program_event+0x140/0x370
[  167.252093]  ? kvm_clock_read+0x18/0x30
[  167.256069]  ? kvm_sched_clock_read+0x9/0x20
[  167.260482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.266026]  ? check_preemption_disabled+0x48/0x200
[  167.271047]  irq_exit+0x17f/0x1c0
[  167.274497]  smp_apic_timer_interrupt+0x1cb/0x760
[  167.279338]  ? smp_reschedule_interrupt+0x109/0x650
[  167.284352]  ? smp_call_function_single_interrupt+0x650/0x650
[  167.290246]  ? interrupt_entry+0xb5/0xf0
[  167.294316]  ? trace_hardirqs_off_caller+0xbb/0x310
[  167.299332]  ? trace_hardirqs_off_caller+0xbb/0x310
[  167.304348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  167.309186]  ? trace_hardirqs_on_caller+0x310/0x310
[  167.314200]  ? trace_hardirqs_on_caller+0x310/0x310
[  167.319214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.324746]  ? check_preemption_disabled+0x48/0x200
[  167.329762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  167.334610]  apic_timer_interrupt+0xf/0x20
[  167.338834]  </IRQ>
[  167.341071] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  167.346005] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  167.364902] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  167.372611] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  167.379877] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  167.387141] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  167.394402] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  167.401663] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  167.408943]  ? trace_hardirqs_on+0xb4/0x310
[  167.413276]  skb_clone+0x1bb/0x500
[  167.416812]  ? skb_split+0x11e0/0x11e0
[  167.420697]  ? preempt_notifier_register+0x200/0x200
[  167.425800]  ? __switch_to_asm+0x34/0x70
[  167.429857]  ? __switch_to_asm+0x34/0x70
[  167.433915]  ? __switch_to_asm+0x40/0x70
[  167.437973]  ? __switch_to_asm+0x34/0x70
[  167.442041]  ? __switch_to_asm+0x40/0x70
[  167.446102]  ? __switch_to_asm+0x40/0x70
[  167.450158]  ? __switch_to_asm+0x34/0x70
[  167.454216]  ? __switch_to_asm+0x34/0x70
[  167.458272]  ? __switch_to_asm+0x40/0x70
[  167.462328]  ? __switch_to_asm+0x34/0x70
[  167.466389]  bpf_clone_redirect+0xb9/0x490
[  167.470624]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  167.475640]  ? __sched_text_start+0x8/0x8
[  167.479785]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  167.484540]  ? retint_kernel+0x2d/0x2d
[  167.488426]  ? trace_hardirqs_on_caller+0xc0/0x310
[  167.493357]  ? rcu_gp_kthread+0x2310/0x2310
[  167.497674]  ? trace_hardirqs_off+0x310/0x310
[  167.502176]  ? lock_acquire+0x1ed/0x520
[  167.506147]  ? bpf_test_run+0x3cb/0x780
[  167.510116]  ? lock_downgrade+0x900/0x900
[  167.514266]  ? lock_release+0x970/0x970
[  167.518240]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  167.524036]  ? preempt_schedule_common+0x1f/0xd0
[  167.528789]  ? preempt_schedule+0x4d/0x60
[  167.532939]  ? ___preempt_schedule+0x16/0x18
[  167.537348]  ? bpf_test_run+0x25d/0x780
[  167.541324]  ? netlink_diag_dump+0x2a0/0x2a0
[  167.545731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  167.551265]  ? bpf_test_init.isra.9+0x70/0x100
[  167.555844]  ? bpf_prog_test_run_skb+0x634/0xb40
[  167.560601]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  167.565443]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  167.570979]  ? fput+0x130/0x1a0
[  167.574264]  ? __bpf_prog_get+0x9b/0x290
[  167.578328]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  167.583166]  ? bpf_prog_test_run+0x130/0x1a0
[  167.587572]  ? __x64_sys_bpf+0x3d8/0x510
[  167.591632]  ? bpf_prog_get+0x20/0x20
[  167.595442]  ? do_syscall_64+0x1b9/0x820
[  167.599499]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  167.604871]  ? syscall_return_slowpath+0x5e0/0x5e0
[  167.609796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  167.614636]  ? trace_hardirqs_on_caller+0x310/0x310
[  167.619650]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  167.624664]  ? prepare_exit_to_usermode+0x291/0x3b0
[  167.629684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  167.634538]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  167.639908] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  167.639963] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  167.646745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  167.646749] Call Trace:
[  167.646768]  dump_stack+0x1c4/0x2b4
[  167.646784]  ? dump_stack_print_info.cold.2+0x52/0x52
[  167.653295] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  167.662601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.665158] syz-executor4 cpuset=
[  167.668780]  warn_alloc.cold.119+0xb7/0x1bd
[  167.673936] syz4
[  167.684410]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  167.689923]  mems_allowed=0
[  167.693364]  ? lock_downgrade+0x900/0x900
[  167.711512]  ? trace_hardirqs_off+0xb8/0x310
[  167.715923]  ? trace_hardirqs_off+0xb8/0x310
[  167.720337]  __alloc_pages_slowpath+0x2667/0x2d80
[  167.725197]  ? warn_alloc+0x120/0x120
[  167.729013]  ? warn_alloc+0x120/0x120
[  167.732813]  ? cpuacct_charge+0x265/0x440
[  167.736957]  ? warn_alloc+0x120/0x120
[  167.740758]  ? mark_held_locks+0x130/0x130
[  167.745007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.750543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  167.756080]  ? should_fail+0x22d/0xd01
[  167.759968]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  167.765084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  167.770618]  ? should_fail+0x22d/0xd01
[  167.774508]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  167.779608]  ? should_fail+0x22d/0xd01
[  167.783502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  167.788611]  ? mark_held_locks+0x130/0x130
[  167.792844]  ? mark_held_locks+0x130/0x130
[  167.797093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.802630]  ? trace_hardirqs_off+0xb8/0x310
[  167.807055]  ? kasan_check_read+0x11/0x20
[  167.811207]  ? do_raw_spin_unlock+0xa7/0x2f0
[  167.815613]  ? trace_hardirqs_on+0x310/0x310
[  167.820028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.825564]  ? wq_watchdog_touch+0x9c/0xfe
[  167.829798]  ? io_serial_in+0x11/0x90
[  167.833597]  ? retint_kernel+0x2d/0x2d
[  167.837483]  ? trace_hardirqs_on_caller+0xc0/0x310
[  167.842411]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  167.847166]  ? trace_hardirqs_off+0x310/0x310
[  167.851662]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  167.856772]  __alloc_pages_nodemask+0xa80/0xde0
[  167.861442]  ? should_fail+0x22d/0xd01
[  167.865332]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  167.870360]  ? ____cache_alloc_node+0x1c7/0x1e0
[  167.875036]  ? lock_downgrade+0x900/0x900
[  167.879189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.884730]  cache_grow_begin+0x91/0x8c0
[  167.888791]  ? do_raw_spin_unlock+0xa7/0x2f0
[  167.893208]  fallback_alloc+0x203/0x2e0
[  167.897187]  ____cache_alloc_node+0x1c7/0x1e0
[  167.901684]  kmem_cache_alloc_node+0xe3/0x730
[  167.906175]  ? ipv6_get_ifaddr+0x42e/0x620
[  167.910414]  __alloc_skb+0x119/0x770
[  167.914130]  ? skb_scrub_packet+0x490/0x490
[  167.918453]  ? lock_downgrade+0x900/0x900
[  167.922605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  167.928140]  ? refcount_sub_and_test_checked+0x203/0x310
[  167.933592]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  167.939041]  ? addrconf_rs_timer+0x690/0x690
[  167.943451]  ndisc_alloc_skb+0x144/0x340
[  167.947516]  ndisc_send_rs+0x331/0x6e0
[  167.951403]  addrconf_rs_timer+0x314/0x690
[  167.955633]  ? lock_release+0x970/0x970
[  167.959604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  167.963843]  call_timer_fn+0x272/0x920
[  167.967724]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  167.971960]  ? process_timeout+0x40/0x40
[  167.976033]  ? kasan_check_read+0x11/0x20
[  167.980182]  ? do_raw_spin_unlock+0xa7/0x2f0
[  167.984590]  ? trace_hardirqs_on+0x310/0x310
[  167.989010]  ? __run_timers+0x7da/0xc70
[  167.992988]  ? lock_downgrade+0x900/0x900
[  167.997154]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  168.002256]  ? trace_hardirqs_on+0xbd/0x310
[  168.006575]  ? kasan_check_read+0x11/0x20
[  168.010725]  ? __run_timers+0x7da/0xc70
[  168.014703]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  168.020160]  ? kasan_check_write+0x14/0x20
[  168.024392]  ? do_raw_spin_lock+0xc1/0x200
[  168.028629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  168.032863]  __run_timers+0x7e5/0xc70
[  168.036674]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  168.042037]  ? lock_downgrade+0x900/0x900
[  168.046186]  ? finish_task_switch+0x1b5/0x900
[  168.050680]  ? trace_hardirqs_on+0xbd/0x310
[  168.055012]  ? kasan_check_read+0x11/0x20
[  168.059161]  ? finish_task_switch+0x1f5/0x900
[  168.063655]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  168.069104]  ? compat_start_thread+0x80/0x80
[  168.073522]  ? pvclock_read_flags+0x160/0x160
[  168.078024]  ? __switch_to_asm+0x34/0x70
[  168.082081]  ? __switch_to_asm+0x34/0x70
[  168.086137]  ? __switch_to_asm+0x40/0x70
[  168.090197]  ? __switch_to_asm+0x40/0x70
[  168.094252]  ? __switch_to_asm+0x34/0x70
[  168.098307]  ? __switch_to_asm+0x40/0x70
[  168.102854]  ? trace_hardirqs_on+0xbd/0x310
[  168.107172]  ? kvm_sched_clock_read+0x9/0x20
[  168.111582]  ? run_ksoftirqd+0x94/0x100
[  168.115555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.121089]  ? check_preemption_disabled+0x48/0x200
[  168.126101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.131645]  run_timer_softirq+0x52/0xb0
[  168.135702]  ? __this_cpu_preempt_check+0x1c/0x1f
[  168.140546]  __do_softirq+0x30b/0xad8
[  168.144354]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  168.149471]  ? trace_hardirqs_off+0x310/0x310
[  168.153965]  ? retint_kernel+0x1b/0x2d
[  168.157868]  ? schedule+0x108/0x460
[  168.161497]  ? trace_hardirqs_off+0xb8/0x310
[  168.165907]  ? smpboot_thread_fn+0x68b/0xa00
[  168.170312]  ? trace_hardirqs_on+0x310/0x310
[  168.174716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  168.180249]  ? check_preemption_disabled+0x48/0x200
[  168.185263]  ? takeover_tasklets+0xa90/0xa90
[  168.189667]  run_ksoftirqd+0x94/0x100
[  168.193465]  smpboot_thread_fn+0x68b/0xa00
[  168.197699]  ? sort_range+0x30/0x30
[  168.201326]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  168.206427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  168.211959]  ? __kthread_parkme+0xfb/0x1a0
[  168.216199]  kthread+0x35a/0x420
[  168.219564]  ? sort_range+0x30/0x30
[  168.223187]  ? kthread_bind+0x40/0x40
[  168.226986]  ret_from_fork+0x3a/0x50
[  168.230720] warn_alloc_show_mem: 1 callbacks suppressed
[  168.230732] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  168.230733] Mem-Info:
[  168.230779] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  168.230779]  active_file:17 inactive_file:15 isolated_file:0
[  168.230779]  unevictable:0 dirty:0 writeback:0 unstable:0
[  168.230779]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  168.230779]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  168.230779]  free:13630 free_pcp:175 free_cma:0
[  168.236607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  168.243884] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  168.246280] Call Trace:
[  168.279316] Node 0 
[  168.288655]  <IRQ>
[  168.316428] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  168.318982]  dump_stack+0x1c4/0x2b4
[  168.321194] lowmem_reserve[]:
[  168.323337]  ? dump_stack_print_info.cold.2+0x52/0x52
[  168.348806]  0
[  168.352428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.355531]  2819
[  168.360713]  warn_alloc.cold.119+0xb7/0x1bd
[  168.362485]  6323
[  168.368026]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  168.370062]  6323
[  168.374375]  ? lock_downgrade+0x900/0x900
[  168.381247]  ? trace_hardirqs_off+0xb8/0x310
[  168.383281] Node 0 
[  168.387416]  ? trace_hardirqs_off+0xb8/0x310
[  168.391818] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  168.394032]  __alloc_pages_slowpath+0x2667/0x2d80
[  168.398413] lowmem_reserve[]:
[  168.425391]  ? warn_alloc+0x120/0x120
[  168.430194]  0
[  168.433288]  ? warn_alloc+0x120/0x120
[  168.437074]  0
[  168.438869]  ? warn_alloc+0x120/0x120
[  168.442639]  3503
[  168.444432]  ? mark_held_locks+0x130/0x130
[  168.448208]  3503
[  168.450264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.456535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  168.462042] Node 0 
[  168.467567]  ? should_fail+0x22d/0xd01
[  168.467602] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  168.469809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  168.473671] lowmem_reserve[]:
[  168.502147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  168.507219]  0
[  168.510317]  ? should_fail+0x22d/0xd01
[  168.515827]  0
[  168.517624]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  168.521495]  0
[  168.523295]  ? should_fail+0x22d/0xd01
[  168.528369]  0
[  168.530164]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  168.535828]  ? mark_held_locks+0x130/0x130
[  168.540899] Node 0 DMA: 
[  168.545124]  ? mark_held_locks+0x130/0x130
[  168.545141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.547791] 1*4kB 
[  168.552025]  ? trace_hardirqs_off+0xb8/0x310
[  168.557532] (U) 
[  168.559673]  ? kasan_check_read+0x11/0x20
[  168.564056] 0*8kB 
[  168.566032]  ? do_raw_spin_unlock+0xa7/0x2f0
[  168.570149] 0*16kB 
[  168.572289]  ? trace_hardirqs_on+0x310/0x310
[  168.576670] 1*32kB 
[  168.578900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.583280] (U) 
[  168.585517]  ? wq_watchdog_touch+0x9c/0xfe
[  168.591044] 2*64kB 
[  168.593024]  ? io_serial_in+0x11/0x90
[  168.597227] (U) 
[  168.599458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.603227] 1*128kB 
[  168.605198]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  168.610702] (U) 
[  168.613028]  __alloc_pages_nodemask+0xa80/0xde0
[  168.618099] 1*256kB 
[  168.620072]  ? should_fail+0x22d/0xd01
[  168.624712] (U) 
[  168.627028]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  168.630909] 0*512kB 
[  168.632885]  ? ____cache_alloc_node+0x1c7/0x1e0
[  168.637865] 1*1024kB 
[  168.640177]  ? lock_downgrade+0x900/0x900
[  168.644813] (U) 
[  168.647220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.651336] 1*2048kB 
[  168.653304]  cache_grow_begin+0x91/0x8c0
[  168.658810] (M) 
[  168.661213]  ? do_raw_spin_unlock+0xa7/0x2f0
[  168.665247] 3*4096kB 
[  168.667211]  fallback_alloc+0x203/0x2e0
[  168.671587] (M) 
[  168.674000]  ____cache_alloc_node+0x1c7/0x1e0
[  168.677951] = 15908kB
[  168.679922]  kmem_cache_alloc_node+0xe3/0x730
[  168.684386] Node 0 
[  168.686791]  ? ipv6_get_ifaddr+0x42e/0x620
[  168.691261] DMA32: 
[  168.693489]  __alloc_skb+0x119/0x770
[  168.697696] 3*4kB 
[  168.699920]  ? skb_scrub_packet+0x490/0x490
[  168.703604] (ME) 
[  168.705744]  ? lock_downgrade+0x900/0x900
[  168.710040] 2*8kB 
[  168.712095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.716210] (ME) 
[  168.718355]  ? refcount_sub_and_test_checked+0x203/0x310
[  168.723862] 4*16kB 
[  168.725917]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  168.731350] (UME) 
[  168.733597]  ? addrconf_rs_timer+0x690/0x690
[  168.739020] 3*32kB 
[  168.741164]  ndisc_alloc_skb+0x144/0x340
[  168.745545] (ME) 
[  168.747790]  ndisc_send_rs+0x331/0x6e0
[  168.751825] 5*64kB 
[  168.753883]  addrconf_rs_timer+0x314/0x690
[  168.757744] (ME) 
[  168.759988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  168.764209] 5*128kB 
[  168.766267]  call_timer_fn+0x272/0x920
[  168.770469] (UME) 
[  168.772790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  168.776653] 5*256kB 
[  168.778807]  ? process_timeout+0x40/0x40
[  168.783023] (UME) 
[  168.785340]  ? trace_hardirqs_off+0xb8/0x310
[  168.789370] 4*512kB 
[  168.791514]  ? kasan_check_read+0x11/0x20
[  168.795891] (ME) 
[  168.798205]  ? do_raw_spin_unlock+0xa7/0x2f0
[  168.802327] 4*1024kB 
[  168.804382]  ? trace_hardirqs_on+0x310/0x310
[  168.808762] (UME) 
[  168.811164]  ? __run_timers+0x7da/0xc70
[  168.815545] 2*2048kB 
[  168.817686]  ? lock_downgrade+0x900/0x900
[  168.821632] (ME) 
[  168.824048]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  168.828167] 3*4096kB 
[  168.830221]  ? trace_hardirqs_on+0xbd/0x310
[  168.835292] (M) 
[  168.837725]  ? kasan_check_read+0x11/0x20
[  168.842025] = 24956kB
[  168.844005]  ? __run_timers+0x7da/0xc70
[  168.848126] Node 0 
[  168.850529]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  168.854477] Normal: 
[  168.856703]  ? kasan_check_write+0x14/0x20
[  168.862128] 1016*4kB 
[  168.864442]  ? do_raw_spin_lock+0xc1/0x200
[  168.868648] (UME) 
[  168.871057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  168.875261] 447*8kB 
[  168.877407]  __run_timers+0x7e5/0xc70
[  168.881609] (ME) 
[  168.883929]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  168.887697] 188*16kB 
[  168.889752]  ? lock_acquire+0x1ed/0x520
[  168.895085] (UME) 
[  168.897488]  ? __hrtimer_run_queues+0x488/0x10d0
[  168.901435] 54*32kB 
[  168.903575]  ? lock_release+0x970/0x970
[  168.908300] (UME) 
[  168.910618]  ? trace_hardirqs_off+0xb8/0x310
[  168.914565] 20*64kB 
[  168.916707]  ? do_raw_spin_unlock+0xa7/0x2f0
[  168.921083] (UM) 
[  168.923397]  ? kasan_check_write+0x14/0x20
[  168.927776] 0*128kB 
[  168.929833]  ? pvclock_read_flags+0x160/0x160
[  168.934041] 0*256kB 
[  168.936355]  ? lock_downgrade+0x900/0x900
[  168.940822] 0*512kB 
[  168.943143]  ? trace_hardirqs_on+0xbd/0x310
[  168.947258] 0*1024kB 
[  168.949572]  ? kvm_sched_clock_read+0x9/0x20
[  168.953866] 0*2048kB 
[  168.956266]  ? irq_exit+0x17f/0x1c0
[  168.960643] 0*4096kB 
[  168.963043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.966638] = 13656kB
[  168.969050]  ? check_preemption_disabled+0x48/0x200
[  168.974559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  168.976950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  168.976970]  run_timer_softirq+0x52/0xb0
[  168.981965] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  168.990785]  ? __this_cpu_preempt_check+0x1c/0x1f
[  168.996294] 4246 total pagecache pages
[  169.000347]  __do_softirq+0x30b/0xad8
[  169.008894] 0 pages in swap cache
[  169.013732]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  169.017593] Swap cache stats: add 0, delete 0, find 0/0
[  169.021380]  ? pvclock_read_flags+0x160/0x160
[  169.024806] Free swap  = 0kB
[  169.029901]  ? lapic_next_event+0x5a/0x90
[  169.035250] Total swap = 0kB
[  169.039743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.042729] 1965979 pages RAM
[  169.046865]  ? clockevents_program_event+0x140/0x370
[  169.049852] 0 pages HighMem/MovableOnly
[  169.055379]  ? kvm_clock_read+0x18/0x30
[  169.058455] 342307 pages reserved
[  169.063589]  ? kvm_sched_clock_read+0x9/0x20
[  169.067536] 0 pages cma reserved
[  169.071501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.074978] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  169.079323]  ? check_preemption_disabled+0x48/0x200
[  169.082706] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  169.088187]  irq_exit+0x17f/0x1c0
[  169.094648] ksoftirqd/0 cpuset=
[  169.099667]  smp_apic_timer_interrupt+0x1cb/0x760
[  169.110379] /
[  169.113826]  ? smp_reschedule_interrupt+0x109/0x650
[  169.117083]  mems_allowed=0
[  169.121916]  ? smp_call_function_single_interrupt+0x650/0x650
[  169.137395]  ? interrupt_entry+0xb5/0xf0
[  169.141455]  ? trace_hardirqs_off_caller+0xbb/0x310
[  169.146471]  ? trace_hardirqs_off_caller+0xbb/0x310
[  169.151486]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  169.156333]  ? trace_hardirqs_on_caller+0x310/0x310
[  169.161348]  ? trace_hardirqs_on_caller+0x310/0x310
[  169.166459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.172003]  ? check_preemption_disabled+0x48/0x200
[  169.177028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  169.181876]  apic_timer_interrupt+0xf/0x20
[  169.186106]  </IRQ>
[  169.188344] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  169.193272] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  169.212164] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  169.219868] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  169.227131] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  169.234395] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  169.241674] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  169.248940] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  169.256218]  ? trace_hardirqs_on+0xb4/0x310
[  169.260549]  skb_clone+0x1bb/0x500
[  169.264089]  ? skb_split+0x11e0/0x11e0
[  169.267977]  ? preempt_notifier_register+0x200/0x200
[  169.273087]  ? __switch_to_asm+0x34/0x70
[  169.277143]  ? __switch_to_asm+0x34/0x70
[  169.281202]  ? __switch_to_asm+0x40/0x70
[  169.285261]  ? __switch_to_asm+0x34/0x70
[  169.289327]  ? __switch_to_asm+0x40/0x70
[  169.293385]  ? __switch_to_asm+0x40/0x70
[  169.297441]  ? __switch_to_asm+0x34/0x70
[  169.301497]  ? __switch_to_asm+0x34/0x70
[  169.305559]  ? __switch_to_asm+0x40/0x70
[  169.309618]  ? __switch_to_asm+0x34/0x70
[  169.313680]  bpf_clone_redirect+0xb9/0x490
[  169.317913]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  169.322926]  ? __sched_text_start+0x8/0x8
[  169.327071]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  169.331823]  ? retint_kernel+0x2d/0x2d
[  169.335724]  ? trace_hardirqs_on_caller+0xc0/0x310
[  169.340669]  ? rcu_gp_kthread+0x2310/0x2310
[  169.345014]  ? trace_hardirqs_off+0x310/0x310
[  169.349518]  ? lock_acquire+0x1ed/0x520
[  169.353490]  ? bpf_test_run+0x3cb/0x780
[  169.357466]  ? lock_downgrade+0x900/0x900
[  169.361610]  ? lock_release+0x970/0x970
[  169.365580]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  169.371374]  ? preempt_schedule_common+0x1f/0xd0
[  169.376130]  ? preempt_schedule+0x4d/0x60
[  169.380274]  ? ___preempt_schedule+0x16/0x18
[  169.384682]  ? bpf_test_run+0x25d/0x780
[  169.388653]  ? netlink_diag_dump+0x2a0/0x2a0
[  169.393063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  169.398596]  ? bpf_test_init.isra.9+0x70/0x100
[  169.403176]  ? bpf_prog_test_run_skb+0x634/0xb40
[  169.407931]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  169.412774]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  169.418305]  ? fput+0x130/0x1a0
[  169.421581]  ? __bpf_prog_get+0x9b/0x290
[  169.425644]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  169.430480]  ? bpf_prog_test_run+0x130/0x1a0
[  169.434886]  ? __x64_sys_bpf+0x3d8/0x510
[  169.438947]  ? bpf_prog_get+0x20/0x20
[  169.442755]  ? do_syscall_64+0x1b9/0x820
[  169.446810]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  169.452176]  ? syscall_return_slowpath+0x5e0/0x5e0
[  169.457101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  169.461943]  ? trace_hardirqs_on_caller+0x310/0x310
[  169.466958]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  169.471969]  ? prepare_exit_to_usermode+0x291/0x3b0
[  169.477001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  169.481848]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  169.487217] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  169.487270] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  169.494049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  169.494053] Call Trace:
[  169.494069]  dump_stack+0x1c4/0x2b4
[  169.494085]  ? dump_stack_print_info.cold.2+0x52/0x52
[  169.500599] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  169.509905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.512464] syz-executor4 cpuset=
[  169.516086]  warn_alloc.cold.119+0xb7/0x1bd
[  169.521242] syz4
[  169.531734]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  169.537244]  mems_allowed=0
[  169.540690]  ? lock_downgrade+0x900/0x900
[  169.558836]  ? trace_hardirqs_off+0xb8/0x310
[  169.563243]  ? trace_hardirqs_off+0xb8/0x310
[  169.567655]  __alloc_pages_slowpath+0x2667/0x2d80
[  169.572509]  ? warn_alloc+0x120/0x120
[  169.576311]  ? warn_alloc+0x120/0x120
[  169.580106]  ? cpuacct_charge+0x265/0x440
[  169.584250]  ? warn_alloc+0x120/0x120
[  169.588055]  ? mark_held_locks+0x130/0x130
[  169.592287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.597822]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  169.603359]  ? should_fail+0x22d/0xd01
[  169.607244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  169.612340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  169.617870]  ? should_fail+0x22d/0xd01
[  169.621776]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  169.626887]  ? should_fail+0x22d/0xd01
[  169.630774]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  169.635872]  ? mark_held_locks+0x130/0x130
[  169.640108]  ? mark_held_locks+0x130/0x130
[  169.644337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.649873]  ? trace_hardirqs_off+0xb8/0x310
[  169.654275]  ? kasan_check_read+0x11/0x20
[  169.658418]  ? do_raw_spin_unlock+0xa7/0x2f0
[  169.662821]  ? trace_hardirqs_on+0x310/0x310
[  169.667223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.672756]  ? wq_watchdog_touch+0x9c/0xfe
[  169.676986]  ? io_serial_in+0x11/0x90
[  169.680798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.686338]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  169.691443]  __alloc_pages_nodemask+0xa80/0xde0
[  169.696105]  ? should_fail+0x22d/0xd01
[  169.700009]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  169.705050]  ? ____cache_alloc_node+0x1c7/0x1e0
[  169.709713]  ? lock_downgrade+0x900/0x900
[  169.713859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.719399]  cache_grow_begin+0x91/0x8c0
[  169.723455]  ? do_raw_spin_unlock+0xa7/0x2f0
[  169.727868]  fallback_alloc+0x203/0x2e0
[  169.731842]  ____cache_alloc_node+0x1c7/0x1e0
[  169.736337]  kmem_cache_alloc_node+0xe3/0x730
[  169.740826]  ? ipv6_get_ifaddr+0x42e/0x620
[  169.745064]  __alloc_skb+0x119/0x770
[  169.748780]  ? skb_scrub_packet+0x490/0x490
[  169.753096]  ? lock_downgrade+0x900/0x900
[  169.757246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.762782]  ? refcount_sub_and_test_checked+0x203/0x310
[  169.768235]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  169.773696]  ? addrconf_rs_timer+0x690/0x690
[  169.778111]  ndisc_alloc_skb+0x144/0x340
[  169.782174]  ndisc_send_rs+0x331/0x6e0
[  169.786063]  addrconf_rs_timer+0x314/0x690
[  169.790292]  ? lock_release+0x970/0x970
[  169.794265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  169.798505]  call_timer_fn+0x272/0x920
[  169.802391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  169.806624]  ? process_timeout+0x40/0x40
[  169.810680]  ? kasan_check_read+0x11/0x20
[  169.814837]  ? do_raw_spin_unlock+0xa7/0x2f0
[  169.819239]  ? trace_hardirqs_on+0x310/0x310
[  169.823650]  ? __run_timers+0x7da/0xc70
[  169.827625]  ? lock_downgrade+0x900/0x900
[  169.831769]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  169.836866]  ? trace_hardirqs_on+0xbd/0x310
[  169.841179]  ? kasan_check_read+0x11/0x20
[  169.845326]  ? __run_timers+0x7da/0xc70
[  169.849299]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  169.854745]  ? kasan_check_write+0x14/0x20
[  169.858976]  ? do_raw_spin_lock+0xc1/0x200
[  169.863220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  169.867455]  __run_timers+0x7e5/0xc70
[  169.871261]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  169.876622]  ? lock_downgrade+0x900/0x900
[  169.880773]  ? finish_task_switch+0x1b5/0x900
[  169.885269]  ? trace_hardirqs_on+0xbd/0x310
[  169.889599]  ? kasan_check_read+0x11/0x20
[  169.893776]  ? finish_task_switch+0x1f5/0x900
[  169.898271]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  169.903715]  ? compat_start_thread+0x80/0x80
[  169.908132]  ? pvclock_read_flags+0x160/0x160
[  169.912623]  ? __switch_to_asm+0x34/0x70
[  169.916680]  ? __switch_to_asm+0x34/0x70
[  169.920735]  ? __switch_to_asm+0x40/0x70
[  169.924796]  ? __switch_to_asm+0x40/0x70
[  169.928854]  ? __switch_to_asm+0x34/0x70
[  169.932909]  ? __switch_to_asm+0x40/0x70
[  169.936968]  ? trace_hardirqs_on+0xbd/0x310
[  169.941298]  ? kvm_sched_clock_read+0x9/0x20
[  169.945705]  ? run_ksoftirqd+0x94/0x100
[  169.949677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.955217]  ? check_preemption_disabled+0x48/0x200
[  169.960228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  169.965764]  run_timer_softirq+0x52/0xb0
[  169.969823]  ? __this_cpu_preempt_check+0x1c/0x1f
[  169.974679]  __do_softirq+0x30b/0xad8
[  169.978500]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  169.983595]  ? trace_hardirqs_off+0x310/0x310
[  169.988113]  ? retint_kernel+0x1b/0x2d
[  169.992024]  ? schedule+0x108/0x460
[  169.995659]  ? trace_hardirqs_off+0xb8/0x310
[  170.000067]  ? smpboot_thread_fn+0x68b/0xa00
[  170.004497]  ? trace_hardirqs_on+0x310/0x310
[  170.008901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  170.014431]  ? check_preemption_disabled+0x48/0x200
[  170.019446]  ? takeover_tasklets+0xa90/0xa90
[  170.023856]  run_ksoftirqd+0x94/0x100
[  170.027651]  smpboot_thread_fn+0x68b/0xa00
[  170.031884]  ? sort_range+0x30/0x30
[  170.035524]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  170.040623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  170.046156]  ? __kthread_parkme+0xfb/0x1a0
[  170.050392]  kthread+0x35a/0x420
[  170.053757]  ? sort_range+0x30/0x30
[  170.057382]  ? kthread_bind+0x40/0x40
[  170.061185]  ret_from_fork+0x3a/0x50
[  170.064915] warn_alloc_show_mem: 1 callbacks suppressed
[  170.064926] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  170.064927] Mem-Info:
[  170.064958] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  170.064958]  active_file:17 inactive_file:15 isolated_file:0
[  170.064958]  unevictable:0 dirty:0 writeback:0 unstable:0
[  170.064958]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  170.064958]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  170.064958]  free:13630 free_pcp:175 free_cma:0
[  170.070287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  170.077563] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  170.079955] Call Trace:
[  170.113419] Node 0 
[  170.122763]  <IRQ>
[  170.150525] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  170.153083]  dump_stack+0x1c4/0x2b4
[  170.155287] lowmem_reserve[]:
[  170.157431]  ? dump_stack_print_info.cold.2+0x52/0x52
[  170.182906]  0
[  170.186530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.189605]  2819
[  170.194789]  warn_alloc.cold.119+0xb7/0x1bd
[  170.196561]  6323
[  170.202087]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  170.204119]  6323
[  170.208432]  ? lock_downgrade+0x900/0x900
[  170.215311]  ? trace_hardirqs_off+0xb8/0x310
[  170.217344] Node 0 
[  170.221483]  ? trace_hardirqs_off+0xb8/0x310
[  170.225889] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  170.228109]  __alloc_pages_slowpath+0x2667/0x2d80
[  170.232541] lowmem_reserve[]:
[  170.260052]  ? warn_alloc+0x120/0x120
[  170.264866]  0
[  170.267961]  ? lock_release+0x970/0x970
[  170.271733]  0
[  170.273529]  ? warn_alloc+0x120/0x120
[  170.277477]  3503
[  170.279272]  ? trace_hardirqs_on+0x310/0x310
[  170.283078]  3503
[  170.285145]  ? warn_alloc+0x120/0x120
[  170.291595]  ? mark_held_locks+0x130/0x130
[  170.295366] Node 0 Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  170.299633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.299650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  170.328684] lowmem_reserve[]:
[  170.334213]  ? should_fail+0x22d/0xd01
[  170.339719]  0
[  170.342818]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  170.346676]  0
[  170.348472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  170.353548]  0
[  170.355340]  ? should_fail+0x22d/0xd01
[  170.360864]  0
[  170.362656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  170.366510] Node 0 DMA: 
[  170.368312]  ? should_fail+0x22d/0xd01
[  170.373388] 1*4kB 
[  170.376051]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  170.379908] (U) 
[  170.382048]  ? mark_held_locks+0x130/0x130
[  170.387126] 0*8kB 
[  170.389095]  ? mark_held_locks+0x130/0x130
[  170.393303] 0*16kB 
[  170.395442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.399646] 1*32kB 
[  170.401873]  ? trace_hardirqs_off+0xb8/0x310
[  170.407383] (U) 
[  170.409608]  ? kasan_check_read+0x11/0x20
[  170.414021] 2*64kB 
[  170.415989]  ? do_raw_spin_unlock+0xa7/0x2f0
[  170.420123] (U) 
[  170.422356]  ? trace_hardirqs_on+0x310/0x310
[  170.426738] 1*128kB 
[  170.428711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.433091] (U) 
[  170.435410]  ? wq_watchdog_touch+0x9c/0xfe
[  170.440920] 1*256kB 
[  170.442891]  ? io_serial_in+0x11/0x90
[  170.447093] (U) 
[  170.449407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.453183] 0*512kB 
[  170.455151]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  170.460656] 1*1024kB 
[  170.462972]  __alloc_pages_nodemask+0xa80/0xde0
[  170.468041] (U) 
[  170.470448]  ? should_fail+0x22d/0xd01
[  170.475091] 1*2048kB 
[  170.477058]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  170.480919] (M) 
[  170.483335]  ? ____cache_alloc_node+0x1c7/0x1e0
[  170.488316] 3*4096kB 
[  170.490285]  ? lock_downgrade+0x900/0x900
[  170.494927] (M) 
[  170.497333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.501451] = 15908kB
[  170.503421]  cache_grow_begin+0x91/0x8c0
[  170.508927] Node 0 
[  170.511331]  ? do_raw_spin_unlock+0xa7/0x2f0
[  170.515362] DMA32: 
[  170.517592]  fallback_alloc+0x203/0x2e0
[  170.521974] 3*4kB 
[  170.524206]  ____cache_alloc_node+0x1c7/0x1e0
[  170.528150] (ME) 
[  170.530295]  kmem_cache_alloc_node+0xe3/0x730
[  170.534764] 2*8kB 
[  170.536822]  ? ipv6_get_ifaddr+0x42e/0x620
[  170.541290] (ME) 
[  170.543430]  __alloc_skb+0x119/0x770
[  170.547635] 4*16kB 
[  170.549689]  ? skb_scrub_packet+0x490/0x490
[  170.553378] (UME) 
[  170.555604]  ? lock_downgrade+0x900/0x900
[  170.559898] 3*32kB 
[  170.562083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.566200] (ME) 
[  170.568434]  ? refcount_sub_and_test_checked+0x203/0x310
[  170.573943] 5*64kB 
[  170.576005]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  170.581427] (ME) 
[  170.583656]  ? addrconf_rs_timer+0x690/0x690
[  170.589075] 5*128kB 
[  170.591130]  ndisc_alloc_skb+0x144/0x340
[  170.595518] (UME) 5*256kB 
[  170.597839]  ndisc_send_rs+0x331/0x6e0
[  170.601873] (UME) 
[  170.604709]  addrconf_rs_timer+0x314/0x690
[  170.608571] 4*512kB 
[  170.610740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  170.614949] (ME) 
[  170.617267]  call_timer_fn+0x272/0x920
[  170.621484] 4*1024kB 
[  170.623554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  170.627417] (UME) 
[  170.629818]  ? process_timeout+0x40/0x40
[  170.634036] 2*2048kB 
[  170.636180]  ? trace_hardirqs_off+0xb8/0x310
[  170.640208] (ME) 
[  170.642608]  ? kasan_check_read+0x11/0x20
[  170.646992] 3*4096kB 
[  170.649059]  ? do_raw_spin_unlock+0xa7/0x2f0
[  170.653175] (M) 
[  170.655579]  ? trace_hardirqs_on+0x310/0x310
[  170.659968] = 24956kB
[  170.661946]  ? __run_timers+0x7da/0xc70
[  170.666324] Node 0 
[  170.668726]  ? lock_downgrade+0x900/0x900
[  170.672674] Normal: 
[  170.674908]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  170.679034] 1016*4kB 
[  170.681346]  ? trace_hardirqs_on+0xbd/0x310
[  170.686420] (UME) 
[  170.688818]  ? kasan_check_read+0x11/0x20
[  170.693121] 447*8kB 
[  170.695264]  ? __run_timers+0x7da/0xc70
[  170.699386] (ME) 
[  170.701711]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  170.705675] 188*16kB 
[  170.707742]  ? kasan_check_write+0x14/0x20
[  170.713164] (UME) 
[  170.715568]  ? do_raw_spin_lock+0xc1/0x200
[  170.719771] 54*32kB 
[  170.721911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  170.726121] (UME) 
[  170.728440]  __run_timers+0x7e5/0xc70
[  170.732649] 20*64kB 
[  170.734795]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  170.738567] (UM) 
[  170.740880]  ? lock_acquire+0x1ed/0x520
[  170.746218] 0*128kB 
[  170.748272]  ? __hrtimer_run_queues+0x488/0x10d0
[  170.752221] 0*256kB 
[  170.754534]  ? lock_release+0x970/0x970
[  170.759267] 0*512kB 
[  170.761583]  ? trace_hardirqs_off+0xb8/0x310
[  170.765527] 0*1024kB 
[  170.767862]  ? do_raw_spin_unlock+0xa7/0x2f0
[  170.772241] 0*2048kB 
[  170.774641]  ? kasan_check_write+0x14/0x20
[  170.779068] 0*4096kB 
[  170.781482]  ? pvclock_read_flags+0x160/0x160
[  170.785698] = 13656kB
[  170.788099]  ? lock_downgrade+0x900/0x900
[  170.792601] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  170.794993]  ? trace_hardirqs_on+0xbd/0x310
[  170.799132] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  170.807965]  ? kvm_sched_clock_read+0x9/0x20
[  170.812259] 4246 total pagecache pages
[  170.820828]  ? irq_exit+0x17f/0x1c0
[  170.825204] 0 pages in swap cache
[  170.829081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.832684] Swap cache stats: add 0, delete 0, find 0/0
[  170.836127]  ? check_preemption_disabled+0x48/0x200
[  170.841635] Free swap  = 0kB
[  170.846986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.851982] Total swap = 0kB
[  170.855007]  run_timer_softirq+0x52/0xb0
[  170.860522] 1965979 pages RAM
[  170.863533]  ? __this_cpu_preempt_check+0x1c/0x1f
[  170.867566] 0 pages HighMem/MovableOnly
[  170.870665]  __do_softirq+0x30b/0xad8
[  170.875478] 342307 pages reserved
[  170.879443]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  170.883216] 0 pages cma reserved
[  170.886660]  ? pvclock_read_flags+0x160/0x160
[  170.891788] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  170.895085]  ? lapic_next_event+0x5a/0x90
[  170.895099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.895116]  ? clockevents_program_event+0x140/0x370
[  170.899624] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  170.906063]  ? kvm_clock_read+0x18/0x30
[  170.910183] ksoftirqd/0 cpuset=
[  170.915712]  ? kvm_sched_clock_read+0x9/0x20
[  170.920784] /
[  170.931086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  170.935034]  mems_allowed=0
[  170.938299]  ? check_preemption_disabled+0x48/0x200
[  170.957832]  irq_exit+0x17f/0x1c0
[  170.961297]  smp_apic_timer_interrupt+0x1cb/0x760
[  170.966136]  ? smp_reschedule_interrupt+0x109/0x650
[  170.971149]  ? smp_call_function_single_interrupt+0x650/0x650
[  170.977033]  ? interrupt_entry+0xb5/0xf0
[  170.981095]  ? trace_hardirqs_off_caller+0xbb/0x310
[  170.986113]  ? trace_hardirqs_off_caller+0xbb/0x310
[  170.991128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  170.996013]  ? trace_hardirqs_on_caller+0x310/0x310
[  171.001031]  ? trace_hardirqs_on_caller+0x310/0x310
[  171.006051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  171.011583]  ? check_preemption_disabled+0x48/0x200
[  171.016602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  171.021451]  apic_timer_interrupt+0xf/0x20
[  171.025677]  </IRQ>
[  171.027918] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  171.032844] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  171.051741] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  171.059446] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  171.066715] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  171.073980] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  171.081251] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  171.088521] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  171.095813]  ? trace_hardirqs_on+0xb4/0x310
[  171.100148]  skb_clone+0x1bb/0x500
[  171.103687]  ? skb_split+0x11e0/0x11e0
[  171.107577]  ? preempt_notifier_register+0x200/0x200
[  171.112677]  ? __switch_to_asm+0x34/0x70
[  171.116735]  ? __switch_to_asm+0x34/0x70
[  171.120792]  ? __switch_to_asm+0x40/0x70
[  171.124847]  ? __switch_to_asm+0x34/0x70
[  171.128906]  ? __switch_to_asm+0x40/0x70
[  171.132968]  ? __switch_to_asm+0x40/0x70
[  171.137061]  ? __switch_to_asm+0x34/0x70
[  171.141124]  ? __switch_to_asm+0x34/0x70
[  171.145184]  ? __switch_to_asm+0x40/0x70
[  171.149242]  ? __switch_to_asm+0x34/0x70
[  171.153303]  bpf_clone_redirect+0xb9/0x490
[  171.157541]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  171.162558]  ? __sched_text_start+0x8/0x8
[  171.166712]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  171.171488]  ? retint_kernel+0x2d/0x2d
[  171.175387]  ? trace_hardirqs_on_caller+0xc0/0x310
[  171.180321]  ? rcu_gp_kthread+0x2310/0x2310
[  171.184640]  ? trace_hardirqs_off+0x310/0x310
[  171.189147]  ? lock_acquire+0x1ed/0x520
[  171.193126]  ? bpf_test_run+0x3cb/0x780
[  171.197098]  ? lock_downgrade+0x900/0x900
[  171.201245]  ? lock_release+0x970/0x970
[  171.205221]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  171.211048]  ? preempt_schedule_common+0x1f/0xd0
[  171.215812]  ? preempt_schedule+0x4d/0x60
[  171.219967]  ? ___preempt_schedule+0x16/0x18
[  171.224387]  ? bpf_test_run+0x25d/0x780
[  171.228365]  ? netlink_diag_dump+0x2a0/0x2a0
[  171.232776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  171.238318]  ? bpf_test_init.isra.9+0x70/0x100
[  171.242913]  ? bpf_prog_test_run_skb+0x634/0xb40
[  171.247681]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  171.252537]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  171.258083]  ? fput+0x130/0x1a0
[  171.261363]  ? __bpf_prog_get+0x9b/0x290
[  171.265424]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  171.270260]  ? bpf_prog_test_run+0x130/0x1a0
[  171.274670]  ? __x64_sys_bpf+0x3d8/0x510
[  171.278726]  ? bpf_prog_get+0x20/0x20
[  171.282538]  ? do_syscall_64+0x1b9/0x820
[  171.286598]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  171.291966]  ? syscall_return_slowpath+0x5e0/0x5e0
[  171.296902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  171.301745]  ? trace_hardirqs_on_caller+0x310/0x310
[  171.306763]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  171.311867]  ? prepare_exit_to_usermode+0x291/0x3b0
[  171.316887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  171.321732]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  171.327104] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  171.327158] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  171.333937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  171.333942] Call Trace:
[  171.333960]  dump_stack+0x1c4/0x2b4
[  171.333975]  ? dump_stack_print_info.cold.2+0x52/0x52
[  171.333993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  171.340534] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  171.349832]  warn_alloc.cold.119+0xb7/0x1bd
[  171.352389] syz-executor4 cpuset=
[  171.356030]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  171.361184] syz4
[  171.366716]  ? lock_downgrade+0x900/0x900
[  171.377175]  mems_allowed=0
[  171.381486]  ? trace_hardirqs_off+0xb8/0x310
[  171.403133]  ? trace_hardirqs_off+0xb8/0x310
[  171.407546]  __alloc_pages_slowpath+0x2667/0x2d80
[  171.412404]  ? warn_alloc+0x120/0x120
[  171.416209]  ? warn_alloc+0x120/0x120
[  171.420022]  ? warn_alloc+0x120/0x120
[  171.423826]  ? mark_held_locks+0x130/0x130
[  171.428064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  171.433598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  171.439132]  ? should_fail+0x22d/0xd01
[  171.443030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  171.448135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  171.453670]  ? should_fail+0x22d/0xd01
[  171.457556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  171.462657]  ? should_fail+0x22d/0xd01
[  171.466546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  171.471653]  ? mark_held_locks+0x130/0x130
[  171.475886]  ? mark_held_locks+0x130/0x130
[  171.480123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  171.485657]  ? trace_hardirqs_off+0xb8/0x310
[  171.490062]  ? kasan_check_read+0x11/0x20
[  171.494211]  ? do_raw_spin_unlock+0xa7/0x2f0
[  171.498615]  ? trace_hardirqs_on+0x310/0x310
[  171.503030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  171.508567]  ? wq_watchdog_touch+0x9c/0xfe
[  171.512801]  ? io_serial_in+0x11/0x90
[  171.516599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  171.522137]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  171.527248]  __alloc_pages_nodemask+0xa80/0xde0
[  171.531915]  ? should_fail+0x22d/0xd01
[  171.535803]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  171.540834]  ? ____cache_alloc_node+0x1c7/0x1e0
[  171.545501]  ? lock_downgrade+0x900/0x900
[  171.549654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  171.555197]  cache_grow_begin+0x91/0x8c0
[  171.559259]  ? do_raw_spin_unlock+0xa7/0x2f0
[  171.563672]  fallback_alloc+0x203/0x2e0
[  171.567650]  ____cache_alloc_node+0x1c7/0x1e0
[  171.572148]  kmem_cache_alloc_node+0xe3/0x730
[  171.576640]  ? ipv6_get_ifaddr+0x42e/0x620
[  171.580879]  __alloc_skb+0x119/0x770
[  171.584593]  ? skb_scrub_packet+0x490/0x490
[  171.588913]  ? lock_downgrade+0x900/0x900
[  171.593065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  171.598601]  ? refcount_sub_and_test_checked+0x203/0x310
[  171.604064]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  171.609513]  ? addrconf_rs_timer+0x690/0x690
[  171.613925]  ndisc_alloc_skb+0x144/0x340
[  171.617984]  ndisc_send_rs+0x331/0x6e0
[  171.621887]  addrconf_rs_timer+0x314/0x690
[  171.626117]  ? lock_release+0x970/0x970
[  171.630094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  171.634336]  call_timer_fn+0x272/0x920
[  171.638219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  171.642457]  ? process_timeout+0x40/0x40
[  171.646512]  ? kasan_check_read+0x11/0x20
[  171.650660]  ? do_raw_spin_unlock+0xa7/0x2f0
[  171.655068]  ? trace_hardirqs_on+0x310/0x310
[  171.659479]  ? __run_timers+0x7da/0xc70
[  171.663450]  ? lock_downgrade+0x900/0x900
[  171.667597]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  171.672699]  ? trace_hardirqs_on+0xbd/0x310
[  171.677025]  ? kasan_check_read+0x11/0x20
[  171.681179]  ? __run_timers+0x7da/0xc70
[  171.685155]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  171.690607]  ? kasan_check_write+0x14/0x20
[  171.694842]  ? do_raw_spin_lock+0xc1/0x200
[  171.699077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  171.703317]  __run_timers+0x7e5/0xc70
[  171.707124]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  171.712488]  ? lock_downgrade+0x900/0x900
[  171.716647]  ? finish_task_switch+0x1b5/0x900
[  171.721147]  ? trace_hardirqs_on+0xbd/0x310
[  171.725466]  ? kasan_check_read+0x11/0x20
[  171.729612]  ? finish_task_switch+0x1f5/0x900
[  171.734113]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  171.739563]  ? compat_start_thread+0x80/0x80
[  171.743979]  ? pvclock_read_flags+0x160/0x160
[  171.748487]  ? __switch_to_asm+0x34/0x70
[  171.752547]  ? __switch_to_asm+0x34/0x70
[  171.756605]  ? __switch_to_asm+0x40/0x70
[  171.760666]  ? __switch_to_asm+0x40/0x70
[  171.764724]  ? __switch_to_asm+0x34/0x70
[  171.768781]  ? __switch_to_asm+0x40/0x70
[  171.772843]  ? trace_hardirqs_on+0xbd/0x310
[  171.777163]  ? kvm_sched_clock_read+0x9/0x20
[  171.781570]  ? run_ksoftirqd+0x94/0x100
[  171.785544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  171.791081]  ? check_preemption_disabled+0x48/0x200
[  171.796099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  171.801641]  run_timer_softirq+0x52/0xb0
[  171.805700]  ? __this_cpu_preempt_check+0x1c/0x1f
[  171.810538]  __do_softirq+0x30b/0xad8
[  171.814340]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  171.819441]  ? trace_hardirqs_off+0x310/0x310
[  171.823933]  ? retint_kernel+0x1b/0x2d
[  171.827821]  ? schedule+0x108/0x460
[  171.831452]  ? trace_hardirqs_off+0xb8/0x310
[  171.835859]  ? smpboot_thread_fn+0x68b/0xa00
[  171.840268]  ? trace_hardirqs_on+0x310/0x310
[  171.844675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  171.850208]  ? check_preemption_disabled+0x48/0x200
[  171.855224]  ? takeover_tasklets+0xa90/0xa90
[  171.859630]  run_ksoftirqd+0x94/0x100
[  171.863427]  smpboot_thread_fn+0x68b/0xa00
[  171.867659]  ? sort_range+0x30/0x30
[  171.871284]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  171.876392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  171.881927]  ? __kthread_parkme+0xfb/0x1a0
[  171.886161]  kthread+0x35a/0x420
[  171.889525]  ? sort_range+0x30/0x30
[  171.893151]  ? kthread_bind+0x40/0x40
[  171.896954]  ret_from_fork+0x3a/0x50
[  171.900672] warn_alloc_show_mem: 1 callbacks suppressed
[  171.900684] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  171.900686] Mem-Info:
[  171.900718] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  171.900718]  active_file:17 inactive_file:15 isolated_file:0
[  171.900718]  unevictable:0 dirty:0 writeback:0 unstable:0
[  171.900718]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  171.900718]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  171.900718]  free:13630 free_pcp:175 free_cma:0
[  171.906050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  171.913322] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  171.915718] Call Trace:
[  171.948766] Node 0 
[  171.958117]  <IRQ>
[  171.985892] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  171.988453]  dump_stack+0x1c4/0x2b4
[  171.990649] lowmem_reserve[]: 0
[  171.992804]  ? dump_stack_print_info.cold.2+0x52/0x52
[  172.018283]  2819
[  172.021918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.025160]  6323
[  172.030353]  warn_alloc.cold.119+0xb7/0x1bd
[  172.032381]  6323
[  172.037916]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  172.044271]  ? lock_downgrade+0x900/0x900
[  172.046299] Node 0 
[  172.051141]  ? trace_hardirqs_off+0xb8/0x310
[  172.055291] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  172.057492]  ? trace_hardirqs_off+0xb8/0x310
[  172.061872] lowmem_reserve[]:
[  172.088864]  __alloc_pages_slowpath+0x2667/0x2d80
[  172.093242]  0
[  172.096361]  ? warn_alloc+0x120/0x120
[  172.101152]  0
[  172.103314]  ? warn_alloc+0x120/0x120
[  172.107088]  3503
[  172.108897]  ? warn_alloc+0x120/0x120
[  172.112664]  3503
[  172.114727]  ? mark_held_locks+0x130/0x130
[  172.120556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.124760] Node 0 
[  172.130282]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  172.130314] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  172.130321] lowmem_reserve[]:
[  172.132556]  ? should_fail+0x22d/0xd01
[  172.138061]  0 0
[  172.166538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  172.169615]  0
[  172.173505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  172.175445]  0
[  172.180546]  ? should_fail+0x22d/0xd01
[  172.187850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  172.189620] Node 0 
[  172.193502]  ? should_fail+0x22d/0xd01
[  172.198576] DMA: 
[  172.200809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  172.204668] 1*4kB 
[  172.206726]  ? mark_held_locks+0x130/0x130
[  172.211796] (U) 
[  172.213942]  ? mark_held_locks+0x130/0x130
[  172.218149] 0*8kB 
[  172.220125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.224328] 0*16kB 
[  172.226474]  ? trace_hardirqs_off+0xb8/0x310
[  172.231981] 1*32kB 
[  172.234749]  ? kasan_check_read+0x11/0x20
[  172.239136] (U) 
[  172.241375]  ? do_raw_spin_unlock+0xa7/0x2f0
[  172.245484] 2*64kB (U) 
[  172.247474]  ? trace_hardirqs_on+0x310/0x310
[  172.251854] 1*128kB 
[  172.254431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.258805] (U) 
[  172.261122]  ? wq_watchdog_touch+0x9c/0xfe
[  172.266630] 1*256kB 
[  172.268611]  ? io_serial_in+0x11/0x90
[  172.272811] (U) 
[  172.275129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.278901] 0*512kB 
[  172.280873]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  172.286377] 1*1024kB 
[  172.288698]  __alloc_pages_nodemask+0xa80/0xde0
[  172.293764] (U) 
[  172.296174]  ? should_fail+0x22d/0xd01
[  172.300814] 1*2048kB 
[  172.302787]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  172.306644] (M) 
[  172.309059]  ? ____cache_alloc_node+0x1c7/0x1e0
[  172.314035] 3*4096kB 
[  172.316011]  ? lock_downgrade+0x900/0x900
[  172.320653] (M) 
[  172.323059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.327175] = 15908kB
[  172.329145]  cache_grow_begin+0x91/0x8c0
[  172.334648] Node 0 
[  172.337058]  ? do_raw_spin_unlock+0xa7/0x2f0
[  172.341085] DMA32: 
[  172.343320]  fallback_alloc+0x203/0x2e0
[  172.347699] 3*4kB 
[  172.349929]  ____cache_alloc_node+0x1c7/0x1e0
[  172.353868] (ME) 
[  172.356028]  kmem_cache_alloc_node+0xe3/0x730
[  172.360497] 2*8kB 
[  172.362554]  ? ipv6_get_ifaddr+0x42e/0x620
[  172.367033] (ME) 
[  172.369178]  __alloc_skb+0x119/0x770
[  172.373380] 4*16kB 
[  172.375438]  ? skb_scrub_packet+0x490/0x490
[  172.379120] (UME) 
[  172.381352]  ? lock_downgrade+0x900/0x900
[  172.385646] 3*32kB 
[  172.387792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.391910] (ME) 
[  172.394147]  ? refcount_sub_and_test_checked+0x203/0x310
[  172.399646] 5*64kB (ME) 
[  172.401721]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  172.407139] 5*128kB 
[  172.409807]  ? addrconf_rs_timer+0x690/0x690
[  172.415228] (UME) 
[  172.417548]  ndisc_alloc_skb+0x144/0x340
[  172.421926] 5*256kB 
[  172.424068]  ndisc_send_rs+0x331/0x6e0
[  172.428101] (UME) 
[  172.430414]  addrconf_rs_timer+0x314/0x690
[  172.434276] 4*512kB 
[  172.436414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  172.440621] (ME) 
[  172.442939]  call_timer_fn+0x272/0x920
[  172.447144] 4*1024kB 
[  172.449198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  172.453063] (UME) 
[  172.455467]  ? process_timeout+0x40/0x40
[  172.459673] 2*2048kB 
[  172.461815]  ? trace_hardirqs_off+0xb8/0x310
[  172.465846] (ME) 
[  172.468249]  ? kasan_check_read+0x11/0x20
[  172.472629] 3*4096kB 
[  172.474688]  ? do_raw_spin_unlock+0xa7/0x2f0
[  172.478806] (M) 
[  172.481207]  ? trace_hardirqs_on+0x310/0x310
[  172.485582] = 24956kB
[  172.487552]  ? __run_timers+0x7da/0xc70
[  172.491931] Node 0 
[  172.494332]  ? lock_downgrade+0x900/0x900
[  172.498276] Normal: 
[  172.500505]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  172.504626] 1016*4kB 
[  172.506942]  ? trace_hardirqs_on+0xbd/0x310
[  172.512037] (UME) 
[  172.514438]  ? kasan_check_read+0x11/0x20
[  172.518732] 447*8kB 
[  172.520877]  ? __run_timers+0x7da/0xc70
[  172.524995] (ME) 
[  172.527324]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  172.531270] 188*16kB 
[  172.533331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.538751] (UME) 
[  172.541160]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  172.546671] 54*32kB 
[  172.548817]  __run_timers+0x7e5/0xc70
[  172.553032] (UME) 
[  172.555355]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  172.559122] 20*64kB 
[  172.561274]  ? lock_acquire+0x1ed/0x520
[  172.566608] (UM) 
[  172.568929]  ? __hrtimer_run_queues+0x488/0x10d0
[  172.572876] 0*128kB 
[  172.574931]  ? lock_release+0x970/0x970
[  172.579661] 0*256kB 
[  172.581978]  ? trace_hardirqs_off+0xb8/0x310
[  172.585920] 0*512kB 
[  172.588235]  ? do_raw_spin_unlock+0xa7/0x2f0
[  172.592611] 0*1024kB 
[  172.594938]  ? kasan_check_write+0x14/0x20
[  172.599330] 0*2048kB 
[  172.601736]  ? pvclock_read_flags+0x160/0x160
[  172.605942] 0*4096kB 
[  172.608347]  ? lock_downgrade+0x900/0x900
[  172.612811] = 13656kB
[  172.615215]  ? trace_hardirqs_on+0xbd/0x310
[  172.619341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  172.621741]  ? kvm_sched_clock_read+0x9/0x20
[  172.626042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  172.634866]  ? irq_exit+0x17f/0x1c0
[  172.639248] 4246 total pagecache pages
[  172.647845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.651445] 0 pages in swap cache
[  172.655324]  ? check_preemption_disabled+0x48/0x200
[  172.660832] Swap cache stats: add 0, delete 0, find 0/0
[  172.664279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.669263] Free swap  = 0kB
[  172.674628]  run_timer_softirq+0x52/0xb0
[  172.680132] Total swap = 0kB
[  172.683150]  ? __this_cpu_preempt_check+0x1c/0x1f
[  172.687177] 1965979 pages RAM
[  172.690196]  __do_softirq+0x30b/0xad8
[  172.695017] 0 pages HighMem/MovableOnly
[  172.698125]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  172.701892] 342307 pages reserved
[  172.705862]  ? pvclock_read_flags+0x160/0x160
[  172.710935] 0 pages cma reserved
[  172.714381]  ? lapic_next_event+0x5a/0x90
[  172.718915] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  172.722211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.726419] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  172.732815]  ? clockevents_program_event+0x140/0x370
[  172.738326] ksoftirqd/0 cpuset=
[  172.748638]  ? kvm_clock_read+0x18/0x30
[  172.753708] /
[  172.756986]  ? kvm_sched_clock_read+0x9/0x20
[  172.760927]  mems_allowed=0
[  172.762639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.775481]  ? check_preemption_disabled+0x48/0x200
[  172.780542]  irq_exit+0x17f/0x1c0
[  172.784008]  smp_apic_timer_interrupt+0x1cb/0x760
[  172.788855]  ? smp_reschedule_interrupt+0x109/0x650
[  172.793877]  ? smp_call_function_single_interrupt+0x650/0x650
[  172.799763]  ? interrupt_entry+0xb5/0xf0
[  172.803825]  ? trace_hardirqs_off_caller+0xbb/0x310
[  172.808846]  ? trace_hardirqs_off_caller+0xbb/0x310
[  172.813865]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  172.818709]  ? trace_hardirqs_on_caller+0x310/0x310
[  172.823725]  ? trace_hardirqs_on_caller+0x310/0x310
[  172.828745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  172.834285]  ? check_preemption_disabled+0x48/0x200
[  172.839310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  172.844163]  apic_timer_interrupt+0xf/0x20
[  172.848387]  </IRQ>
[  172.850628] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  172.855559] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  172.874467] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  172.882186] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  172.889463] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  172.896737] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  172.904019] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  172.911296] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  172.918591]  ? trace_hardirqs_on+0xb4/0x310
[  172.922937]  skb_clone+0x1bb/0x500
[  172.926481]  ? skb_split+0x11e0/0x11e0
[  172.930380]  ? preempt_notifier_register+0x200/0x200
[  172.935486]  ? __switch_to_asm+0x34/0x70
[  172.939556]  ? __switch_to_asm+0x34/0x70
[  172.943618]  ? __switch_to_asm+0x40/0x70
[  172.947682]  ? __switch_to_asm+0x34/0x70
[  172.951745]  ? __switch_to_asm+0x40/0x70
[  172.955808]  ? __switch_to_asm+0x40/0x70
[  172.959869]  ? __switch_to_asm+0x34/0x70
[  172.963933]  ? __switch_to_asm+0x34/0x70
[  172.967993]  ? __switch_to_asm+0x40/0x70
[  172.972063]  ? __switch_to_asm+0x34/0x70
[  172.976134]  bpf_clone_redirect+0xb9/0x490
[  172.980389]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  172.985410]  ? __sched_text_start+0x8/0x8
[  172.989561]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  172.994325]  ? retint_kernel+0x2d/0x2d
[  172.998218]  ? trace_hardirqs_on_caller+0xc0/0x310
[  173.003159]  ? rcu_gp_kthread+0x2310/0x2310
[  173.007485]  ? trace_hardirqs_off+0x310/0x310
[  173.012006]  ? lock_acquire+0x1ed/0x520
[  173.015985]  ? bpf_test_run+0x3cb/0x780
[  173.019970]  ? lock_downgrade+0x900/0x900
[  173.024136]  ? lock_release+0x970/0x970
[  173.028116]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  173.033920]  ? preempt_schedule_common+0x1f/0xd0
[  173.038680]  ? preempt_schedule+0x4d/0x60
[  173.042830]  ? ___preempt_schedule+0x16/0x18
[  173.047246]  ? bpf_test_run+0x25d/0x780
[  173.051241]  ? netlink_diag_dump+0x2a0/0x2a0
[  173.055657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  173.061201]  ? bpf_test_init.isra.9+0x70/0x100
[  173.065795]  ? bpf_prog_test_run_skb+0x634/0xb40
[  173.070564]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  173.075413]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  173.080956]  ? fput+0x130/0x1a0
[  173.084238]  ? __bpf_prog_get+0x9b/0x290
[  173.088301]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  173.093141]  ? bpf_prog_test_run+0x130/0x1a0
[  173.097551]  ? __x64_sys_bpf+0x3d8/0x510
[  173.101611]  ? bpf_prog_get+0x20/0x20
[  173.105426]  ? do_syscall_64+0x1b9/0x820
[  173.109486]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  173.114858]  ? syscall_return_slowpath+0x5e0/0x5e0
[  173.119789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  173.124635]  ? trace_hardirqs_on_caller+0x310/0x310
[  173.129653]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  173.134672]  ? prepare_exit_to_usermode+0x291/0x3b0
[  173.139699]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  173.144554]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  173.149930] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  173.149984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  173.156769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  173.156773] Call Trace:
[  173.156794]  dump_stack+0x1c4/0x2b4
[  173.156808]  ? dump_stack_print_info.cold.2+0x52/0x52
[  173.156823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  173.156842]  warn_alloc.cold.119+0xb7/0x1bd
[  173.163363] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  173.172681]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  173.175234] syz-executor4 cpuset=
[  173.178852]  ? lock_downgrade+0x900/0x900
[  173.184012] syz4 mems_allowed=0
[  173.189556]  ? trace_hardirqs_off+0xb8/0x310
[  173.224380]  ? trace_hardirqs_off+0xb8/0x310
[  173.228797]  __alloc_pages_slowpath+0x2667/0x2d80
[  173.233655]  ? mark_held_locks+0x130/0x130
[  173.237891]  ? warn_alloc+0x120/0x120
[  173.241696]  ? warn_alloc+0x120/0x120
[  173.245500]  ? cpuacct_charge+0x265/0x440
[  173.249648]  ? warn_alloc+0x120/0x120
[  173.253458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  173.259004]  ? should_fail+0x22d/0xd01
[  173.262897]  ? lock_downgrade+0x900/0x900
[  173.267050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  173.272151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  173.277688]  ? should_fail+0x22d/0xd01
[  173.281577]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  173.287376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  173.292475]  ? should_fail+0x22d/0xd01
[  173.296365]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  173.301468]  ? mark_held_locks+0x130/0x130
[  173.305707]  ? mark_held_locks+0x130/0x130
[  173.309941]  ? __account_cfs_rq_runtime+0x790/0x790
[  173.314956]  ? select_task_rq_fair+0x754/0x3500
[  173.319663]  ? lock_downgrade+0x900/0x900
[  173.323816]  ? __cpu_to_node+0x7d/0xa0
[  173.327705]  ? account_entity_enqueue+0x3a3/0x660
[  173.332553]  ? __enqueue_entity+0x10d/0x1f0
[  173.336872]  ? check_preemption_disabled+0x48/0x200
[  173.341898]  __alloc_pages_nodemask+0xa80/0xde0
[  173.346567]  ? should_fail+0x22d/0xd01
[  173.350458]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  173.355491]  ? ____cache_alloc_node+0x1c7/0x1e0
[  173.360162]  ? lock_downgrade+0x900/0x900
[  173.364317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  173.369858]  cache_grow_begin+0x91/0x8c0
[  173.373919]  ? do_raw_spin_unlock+0xa7/0x2f0
[  173.378335]  fallback_alloc+0x203/0x2e0
[  173.382312]  ____cache_alloc_node+0x1c7/0x1e0
[  173.386809]  kmem_cache_alloc_node+0xe3/0x730
[  173.391302]  ? ipv6_get_ifaddr+0x42e/0x620
[  173.395539]  __alloc_skb+0x119/0x770
[  173.399257]  ? skb_scrub_packet+0x490/0x490
[  173.403579]  ? lock_downgrade+0x900/0x900
[  173.407730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  173.413270]  ? refcount_sub_and_test_checked+0x203/0x310
[  173.418725]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  173.424174]  ? addrconf_rs_timer+0x690/0x690
[  173.428589]  ndisc_alloc_skb+0x144/0x340
[  173.432653]  ndisc_send_rs+0x331/0x6e0
[  173.436541]  addrconf_rs_timer+0x314/0x690
[  173.440772]  ? lock_release+0x970/0x970
[  173.444751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  173.448994]  call_timer_fn+0x272/0x920
[  173.452890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  173.457125]  ? process_timeout+0x40/0x40
[  173.461185]  ? kasan_check_read+0x11/0x20
[  173.465331]  ? do_raw_spin_unlock+0xa7/0x2f0
[  173.469747]  ? trace_hardirqs_on+0x310/0x310
[  173.474158]  ? __run_timers+0x7da/0xc70
[  173.478131]  ? lock_downgrade+0x900/0x900
[  173.482283]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  173.487387]  ? trace_hardirqs_on+0xbd/0x310
[  173.491706]  ? kasan_check_read+0x11/0x20
[  173.495853]  ? __run_timers+0x7da/0xc70
[  173.499829]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  173.505277]  ? kasan_check_write+0x14/0x20
[  173.509515]  ? do_raw_spin_lock+0xc1/0x200
[  173.513756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  173.517991]  __run_timers+0x7e5/0xc70
[  173.521810]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  173.527176]  ? lock_downgrade+0x900/0x900
[  173.531322]  ? finish_task_switch+0x1b5/0x900
[  173.535819]  ? trace_hardirqs_on+0xbd/0x310
[  173.540139]  ? kasan_check_read+0x11/0x20
[  173.544286]  ? finish_task_switch+0x1f5/0x900
[  173.548783]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  173.554227]  ? compat_start_thread+0x80/0x80
[  173.558647]  ? pvclock_read_flags+0x160/0x160
[  173.563141]  ? __switch_to_asm+0x34/0x70
[  173.567197]  ? __switch_to_asm+0x34/0x70
[  173.571253]  ? __switch_to_asm+0x40/0x70
[  173.575311]  ? __switch_to_asm+0x40/0x70
[  173.579370]  ? __switch_to_asm+0x34/0x70
[  173.583427]  ? __switch_to_asm+0x40/0x70
[  173.587497]  ? trace_hardirqs_on+0xbd/0x310
[  173.591816]  ? kvm_sched_clock_read+0x9/0x20
[  173.596228]  ? run_ksoftirqd+0x94/0x100
[  173.600201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  173.605741]  ? check_preemption_disabled+0x48/0x200
[  173.610758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  173.616299]  run_timer_softirq+0x52/0xb0
[  173.620358]  ? __this_cpu_preempt_check+0x1c/0x1f
[  173.625200]  __do_softirq+0x30b/0xad8
[  173.629036]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  173.634141]  ? trace_hardirqs_off+0x310/0x310
[  173.638636]  ? retint_kernel+0x1b/0x2d
[  173.642527]  ? schedule+0x108/0x460
[  173.646164]  ? trace_hardirqs_off+0xb8/0x310
[  173.650569]  ? smpboot_thread_fn+0x68b/0xa00
[  173.654978]  ? trace_hardirqs_on+0x310/0x310
[  173.659396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  173.664931]  ? check_preemption_disabled+0x48/0x200
[  173.669953]  ? takeover_tasklets+0xa90/0xa90
[  173.674360]  run_ksoftirqd+0x94/0x100
[  173.678158]  smpboot_thread_fn+0x68b/0xa00
[  173.682391]  ? sort_range+0x30/0x30
[  173.686029]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  173.691134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  173.696675]  ? __kthread_parkme+0xfb/0x1a0
[  173.700909]  kthread+0x35a/0x420
[  173.704275]  ? sort_range+0x30/0x30
[  173.707897]  ? kthread_bind+0x40/0x40
[  173.711697]  ret_from_fork+0x3a/0x50
[  173.715417] warn_alloc_show_mem: 1 callbacks suppressed
[  173.715429] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  173.715431] Mem-Info:
[  173.715461] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  173.715461]  active_file:17 inactive_file:15 isolated_file:0
[  173.715461]  unevictable:0 dirty:0 writeback:0 unstable:0
[  173.715461]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  173.715461]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  173.715461]  free:13630 free_pcp:175 free_cma:0
[  173.720792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  173.728086] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  173.730485] Call Trace:
[  173.763548] Node 0 
[  173.772896]  <IRQ>
[  173.800671] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  173.803226]  dump_stack+0x1c4/0x2b4
[  173.805453] lowmem_reserve[]:
[  173.807595]  ? dump_stack_print_info.cold.2+0x52/0x52
[  173.833081]  0 2819
[  173.836717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  173.839789]  6323
[  173.844971]  warn_alloc.cold.119+0xb7/0x1bd
[  173.847181]  6323
[  173.852711]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  173.859063]  ? lock_downgrade+0x900/0x900
[  173.861097] Node 0 
[  173.865928]  ? trace_hardirqs_off+0xb8/0x310
[  173.870071] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  173.872276]  ? trace_hardirqs_off+0xb8/0x310
[  173.876654] lowmem_reserve[]:
[  173.903632]  __alloc_pages_slowpath+0x2667/0x2d80
[  173.908016]  0
[  173.911129]  ? warn_alloc+0x120/0x120
[  173.915931]  0
[  173.917725]  ? warn_alloc+0x120/0x120
[  173.921495]  3503
[  173.923294]  ? warn_alloc+0x120/0x120
[  173.927072]  3503
[  173.929132]  ? mark_held_locks+0x130/0x130
[  173.934961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  173.939165] Node 0 
[  173.944686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  173.944721] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  173.946924]  ? should_fail+0x22d/0xd01
[  173.952430] lowmem_reserve[]:
[  173.980885]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  173.984738]  0
[  173.987835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  173.992906]  0
[  173.994699]  ? should_fail+0x22d/0xd01
[  174.000209]  0
[  174.002012]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  174.005874]  0
[  174.007670]  ? should_fail+0x22d/0xd01
[  174.014543]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  174.018399] Node 0 DMA: 
[  174.023492]  ? mark_held_locks+0x130/0x130
[  174.023507]  ? mark_held_locks+0x130/0x130
[  174.026158] 1*4kB 
[  174.030388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  174.034594] (U) 
[  174.036738]  ? trace_hardirqs_off+0xb8/0x310
[  174.042246] 0*8kB 
[  174.044217]  ? kasan_check_read+0x11/0x20
[  174.048603] 0*16kB 
[  174.050758]  ? do_raw_spin_unlock+0xa7/0x2f0
[  174.054876] 1*32kB 
[  174.057118]  ? trace_hardirqs_on+0x310/0x310
[  174.061492] (U) 
[  174.063729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  174.068110] 2*64kB 
[  174.070079]  ? wq_watchdog_touch+0x9c/0xfe
[  174.075585] (U) 
[  174.077819]  ? io_serial_in+0x11/0x90
[  174.082041] 1*128kB 
[  174.084027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  174.084046]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  174.087817] (U) 
[  174.090134]  __alloc_pages_nodemask+0xa80/0xde0
[  174.095643] 1*256kB 
[  174.100738]  ? should_fail+0x22d/0xd01
[  174.103191] (U) 
[  174.107858]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  174.110153] 0*512kB 
[  174.114049]  ? ____cache_alloc_node+0x1c7/0x1e0
[  174.115991] 1*1024kB 
[  174.121016]  ? lock_downgrade+0x900/0x900
[  174.123312] (U) 
[  174.127975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  174.130358] 1*2048kB 
[  174.134496]  cache_grow_begin+0x91/0x8c0
[  174.136440] (M) 
[  174.141976]  ? do_raw_spin_unlock+0xa7/0x2f0
[  174.144356] 3*4096kB 
[  174.148410]  fallback_alloc+0x203/0x2e0
[  174.150356] (M) 
[  174.154754]  ____cache_alloc_node+0x1c7/0x1e0
[  174.157135] = 15908kB
[  174.161105]  kmem_cache_alloc_node+0xe3/0x730
[  174.163053] Node 0 
[  174.167543]  ? ipv6_get_ifaddr+0x42e/0x620
[  174.169928] DMA32: 
[  174.174412]  __alloc_skb+0x119/0x770
[  174.176619] 3*4kB 
[  174.180840]  ? skb_scrub_packet+0x490/0x490
[  174.183050] (ME) 
[  174.186754]  ? lock_downgrade+0x900/0x900
[  174.188877] 2*8kB 
[  174.193192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  174.195226] (ME) 
[  174.199368]  ? refcount_sub_and_test_checked+0x203/0x310
[  174.201486] 4*16kB 
[  174.207027]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  174.209063] (UME) 
[  174.214505]  ? addrconf_rs_timer+0x690/0x690
[  174.216713] 3*32kB 
[  174.222157]  ndisc_alloc_skb+0x144/0x340
[  174.224284] (ME) 
[  174.228683]  ndisc_send_rs+0x331/0x6e0
[  174.230896] 5*64kB 
[  174.235396]  addrconf_rs_timer+0x314/0x690
[  174.237433] (ME) 
[  174.241309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  174.243514] 5*128kB (UME) 
[  174.247754]  call_timer_fn+0x272/0x920
[  174.249785] 5*256kB (UME) 
[  174.254024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  174.254041]  ? process_timeout+0x40/0x40
[  174.256867] 4*512kB 
[  174.260745]  ? trace_hardirqs_off+0xb8/0x310
[  174.263557] (ME) 4*1024kB 
[  174.267794]  ? kasan_check_read+0x11/0x20
[  174.271831] (UME) 
[  174.274146]  ? do_raw_spin_unlock+0xa7/0x2f0
[  174.278523] 2*2048kB 
[  174.281360]  ? trace_hardirqs_on+0x310/0x310
[  174.285478] (ME) 
[  174.287620]  ? __run_timers+0x7da/0xc70
[  174.292005] 3*4096kB 
[  174.294408]  ? lock_downgrade+0x900/0x900
[  174.298785] (M) 
[  174.300842]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  174.304784] = 24956kB
[  174.307183]  ? trace_hardirqs_on+0xbd/0x310
[  174.311303] Node 0 
[  174.313273]  ? kasan_check_read+0x11/0x20
[  174.318350] Normal: 
[  174.320754]  ? __run_timers+0x7da/0xc70
[  174.325052] 1016*4kB 
[  174.327278]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  174.331398] (UME) 
[  174.333713]  ? kasan_check_write+0x14/0x20
[  174.337677] 447*8kB 
[  174.340083]  ? do_raw_spin_lock+0xc1/0x200
[  174.345504] (ME) 
[  174.347652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  174.351876] 188*16kB 
[  174.354188]  __run_timers+0x7e5/0xc70
[  174.358392] (UME) 
[  174.360451]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  174.364654] 54*32kB 
[  174.367057]  ? lock_acquire+0x1ed/0x520
[  174.370831] (UME) 
[  174.372970]  ? __hrtimer_run_queues+0x488/0x10d0
[  174.378305] 20*64kB 
[  174.380620]  ? lock_release+0x970/0x970
[  174.384564] (UM) 
[  174.386707]  ? trace_hardirqs_off+0xb8/0x310
[  174.391438] 0*128kB 
[  174.393797]  ? do_raw_spin_unlock+0xa7/0x2f0
[  174.397746] 0*256kB 
[  174.399797]  ? kasan_check_write+0x14/0x20
[  174.404177] 0*512kB 
[  174.406489]  ? pvclock_read_flags+0x160/0x160
[  174.410870] 0*1024kB 
[  174.413181]  ? lock_downgrade+0x900/0x900
[  174.417385] 0*2048kB 
[  174.419699]  ? trace_hardirqs_on+0xbd/0x310
[  174.424163] 0*4096kB 
[  174.426563]  ? kvm_sched_clock_read+0x9/0x20
[  174.430684] = 13656kB
[  174.433084]  ? irq_exit+0x17f/0x1c0
[  174.437381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  174.439775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  174.444158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  174.446554]  ? check_preemption_disabled+0x48/0x200
[  174.450155] 4246 total pagecache pages
[  174.458979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  174.464489] 0 pages in swap cache
[  174.473059]  run_timer_softirq+0x52/0xb0
[  174.478065] Swap cache stats: add 0, delete 0, find 0/0
[  174.481955]  ? __this_cpu_preempt_check+0x1c/0x1f
[  174.487468] Free swap  = 0kB
[  174.490907]  __do_softirq+0x30b/0xad8
[  174.494941] Total swap = 0kB
[  174.500296]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  174.505107] 1965979 pages RAM
[  174.508113]  ? pvclock_read_flags+0x160/0x160
[  174.511884] 0 pages HighMem/MovableOnly
[  174.514910]  ? lapic_next_event+0x5a/0x90
[  174.519983] 342307 pages reserved
[  174.523088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  174.527555] 0 pages cma reserved
[  174.531523]  ? clockevents_program_event+0x140/0x370
[  174.535718] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  174.539080]  ? kvm_clock_read+0x18/0x30
[  174.544652] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  174.547949]  ? kvm_sched_clock_read+0x9/0x20
[  174.553030] ksoftirqd/0 cpuset=
[  174.559516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  174.563458] /
[  174.573777]  ? check_preemption_disabled+0x48/0x200
[  174.578163]  mems_allowed=0
[  174.581436]  irq_exit+0x17f/0x1c0
[  174.599983]  smp_apic_timer_interrupt+0x1cb/0x760
[  174.604827]  ? smp_reschedule_interrupt+0x109/0x650
[  174.609843]  ? smp_call_function_single_interrupt+0x650/0x650
[  174.615729]  ? interrupt_entry+0xb5/0xf0
[  174.619794]  ? trace_hardirqs_off_caller+0xbb/0x310
[  174.624814]  ? trace_hardirqs_off_caller+0xbb/0x310
[  174.629827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  174.634665]  ? trace_hardirqs_on_caller+0x310/0x310
[  174.639674]  ? trace_hardirqs_on_caller+0x310/0x310
[  174.644687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  174.650220]  ? check_preemption_disabled+0x48/0x200
[  174.655240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  174.660084]  apic_timer_interrupt+0xf/0x20
[  174.664311]  </IRQ>
[  174.666553] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  174.671478] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  174.690379] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  174.698086] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  174.705348] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  174.712608] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  174.719869] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  174.727131] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  174.734408]  ? trace_hardirqs_on+0xb4/0x310
[  174.738769]  skb_clone+0x1bb/0x500
[  174.742305]  ? skb_split+0x11e0/0x11e0
[  174.746190]  ? preempt_notifier_register+0x200/0x200
[  174.751290]  ? __switch_to_asm+0x34/0x70
[  174.755349]  ? __switch_to_asm+0x34/0x70
[  174.759404]  ? __switch_to_asm+0x40/0x70
[  174.763460]  ? __switch_to_asm+0x34/0x70
[  174.767520]  ? __switch_to_asm+0x40/0x70
[  174.771576]  ? __switch_to_asm+0x40/0x70
[  174.775636]  ? __switch_to_asm+0x34/0x70
[  174.779701]  ? __switch_to_asm+0x34/0x70
[  174.783757]  ? __switch_to_asm+0x40/0x70
[  174.787813]  ? __switch_to_asm+0x34/0x70
[  174.791871]  bpf_clone_redirect+0xb9/0x490
[  174.796108]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  174.801125]  ? __sched_text_start+0x8/0x8
[  174.805267]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  174.810045]  ? retint_kernel+0x2d/0x2d
[  174.813926]  ? trace_hardirqs_on_caller+0xc0/0x310
[  174.818855]  ? rcu_gp_kthread+0x2310/0x2310
[  174.823174]  ? trace_hardirqs_off+0x310/0x310
[  174.827669]  ? lock_acquire+0x1ed/0x520
[  174.831640]  ? bpf_test_run+0x3cb/0x780
[  174.835623]  ? lock_downgrade+0x900/0x900
[  174.839769]  ? lock_release+0x970/0x970
[  174.843751]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  174.849553]  ? preempt_schedule_common+0x1f/0xd0
[  174.854305]  ? preempt_schedule+0x4d/0x60
[  174.858449]  ? ___preempt_schedule+0x16/0x18
[  174.862863]  ? bpf_test_run+0x25d/0x780
[  174.866839]  ? netlink_diag_dump+0x2a0/0x2a0
[  174.871245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  174.876782]  ? bpf_test_init.isra.9+0x70/0x100
[  174.881366]  ? bpf_prog_test_run_skb+0x634/0xb40
[  174.886124]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  174.890963]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  174.896495]  ? fput+0x130/0x1a0
[  174.899777]  ? __bpf_prog_get+0x9b/0x290
[  174.903835]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  174.908671]  ? bpf_prog_test_run+0x130/0x1a0
[  174.913077]  ? __x64_sys_bpf+0x3d8/0x510
[  174.917137]  ? bpf_prog_get+0x20/0x20
[  174.920948]  ? do_syscall_64+0x1b9/0x820
[  174.925014]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  174.930376]  ? syscall_return_slowpath+0x5e0/0x5e0
[  174.935303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  174.940142]  ? trace_hardirqs_on_caller+0x310/0x310
[  174.945155]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  174.950175]  ? prepare_exit_to_usermode+0x291/0x3b0
[  174.955195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  174.960079]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  174.965453] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  174.965507] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  174.972285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  174.972293] Call Trace:
[  174.978881] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  174.988124]  dump_stack+0x1c4/0x2b4
[  174.990685] syz-executor4 cpuset=
[  175.001162]  ? dump_stack_print_info.cold.2+0x52/0x52
[  175.004760] syz4
[  175.008208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  175.013387]  mems_allowed=0
[  175.015358]  warn_alloc.cold.119+0xb7/0x1bd
[  175.028094]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  175.032936]  ? lock_downgrade+0x900/0x900
[  175.037084]  ? trace_hardirqs_off+0xb8/0x310
[  175.041496]  ? trace_hardirqs_off+0xb8/0x310
[  175.045912]  __alloc_pages_slowpath+0x2667/0x2d80
[  175.050762]  ? mark_held_locks+0x130/0x130
[  175.054995]  ? warn_alloc+0x120/0x120
[  175.058808]  ? warn_alloc+0x120/0x120
[  175.062604]  ? cpuacct_charge+0x265/0x440
[  175.066750]  ? warn_alloc+0x120/0x120
[  175.070547]  ? mark_held_locks+0x130/0x130
[  175.074782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  175.080315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  175.085851]  ? should_fail+0x22d/0xd01
[  175.089737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  175.094835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  175.100368]  ? should_fail+0x22d/0xd01
[  175.104259]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  175.109389]  ? should_fail+0x22d/0xd01
[  175.113279]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  175.118385]  ? mark_held_locks+0x130/0x130
[  175.122619]  ? mark_held_locks+0x130/0x130
[  175.126853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  175.132391]  ? trace_hardirqs_off+0xb8/0x310
[  175.136795]  ? kasan_check_read+0x11/0x20
[  175.140941]  ? do_raw_spin_unlock+0xa7/0x2f0
[  175.145347]  ? trace_hardirqs_on+0x310/0x310
[  175.149750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  175.155281]  ? wq_watchdog_touch+0x9c/0xfe
[  175.159515]  ? io_serial_in+0x11/0x90
[  175.163312]  ? retint_kernel+0x2d/0x2d
[  175.167197]  ? trace_hardirqs_on_caller+0xc0/0x310
[  175.172123]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  175.176876]  ? trace_hardirqs_off+0x310/0x310
[  175.181365]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  175.186471]  __alloc_pages_nodemask+0xa80/0xde0
[  175.191138]  ? should_fail+0x22d/0xd01
[  175.195041]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  175.200072]  ? ____cache_alloc_node+0x1c7/0x1e0
[  175.204738]  ? lock_downgrade+0x900/0x900
[  175.208885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  175.214423]  cache_grow_begin+0x91/0x8c0
[  175.218481]  ? do_raw_spin_unlock+0xa7/0x2f0
[  175.222894]  fallback_alloc+0x203/0x2e0
[  175.226869]  ____cache_alloc_node+0x1c7/0x1e0
[  175.231368]  kmem_cache_alloc_node+0xe3/0x730
[  175.235861]  ? ipv6_get_ifaddr+0x42e/0x620
[  175.240100]  __alloc_skb+0x119/0x770
[  175.243816]  ? skb_scrub_packet+0x490/0x490
[  175.248133]  ? lock_downgrade+0x900/0x900
[  175.252283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  175.257823]  ? refcount_sub_and_test_checked+0x203/0x310
[  175.263271]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  175.268720]  ? addrconf_rs_timer+0x690/0x690
[  175.273129]  ndisc_alloc_skb+0x144/0x340
[  175.277193]  ndisc_send_rs+0x331/0x6e0
[  175.281080]  addrconf_rs_timer+0x314/0x690
[  175.285310]  ? lock_release+0x970/0x970
[  175.289283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  175.293524]  call_timer_fn+0x272/0x920
[  175.297406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  175.301638]  ? process_timeout+0x40/0x40
[  175.305693]  ? kasan_check_read+0x11/0x20
[  175.309839]  ? do_raw_spin_unlock+0xa7/0x2f0
[  175.314246]  ? trace_hardirqs_on+0x310/0x310
[  175.318654]  ? __run_timers+0x7da/0xc70
[  175.322627]  ? lock_downgrade+0x900/0x900
[  175.326776]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  175.331878]  ? trace_hardirqs_on+0xbd/0x310
[  175.336193]  ? kasan_check_read+0x11/0x20
[  175.340338]  ? __run_timers+0x7da/0xc70
[  175.344309]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  175.349754]  ? kasan_check_write+0x14/0x20
[  175.353984]  ? do_raw_spin_lock+0xc1/0x200
[  175.358231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  175.362462]  __run_timers+0x7e5/0xc70
[  175.366267]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  175.371628]  ? lock_downgrade+0x900/0x900
[  175.375772]  ? finish_task_switch+0x1b5/0x900
[  175.380266]  ? trace_hardirqs_on+0xbd/0x310
[  175.384579]  ? kasan_check_read+0x11/0x20
[  175.388722]  ? finish_task_switch+0x1f5/0x900
[  175.393216]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  175.398666]  ? compat_start_thread+0x80/0x80
[  175.403080]  ? pvclock_read_flags+0x160/0x160
[  175.407573]  ? __switch_to_asm+0x34/0x70
[  175.411636]  ? __switch_to_asm+0x34/0x70
[  175.415691]  ? __switch_to_asm+0x40/0x70
[  175.419766]  ? __switch_to_asm+0x40/0x70
[  175.423822]  ? __switch_to_asm+0x34/0x70
[  175.427877]  ? __switch_to_asm+0x40/0x70
[  175.431938]  ? trace_hardirqs_on+0xbd/0x310
[  175.436259]  ? kvm_sched_clock_read+0x9/0x20
[  175.440665]  ? run_ksoftirqd+0x94/0x100
[  175.444637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  175.450170]  ? check_preemption_disabled+0x48/0x200
[  175.455186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  175.460726]  run_timer_softirq+0x52/0xb0
[  175.464782]  ? __this_cpu_preempt_check+0x1c/0x1f
[  175.469618]  __do_softirq+0x30b/0xad8
[  175.473422]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  175.478521]  ? trace_hardirqs_off+0x310/0x310
[  175.483024]  ? retint_kernel+0x1b/0x2d
[  175.486913]  ? schedule+0x108/0x460
[  175.490547]  ? trace_hardirqs_off+0xb8/0x310
[  175.494950]  ? smpboot_thread_fn+0x68b/0xa00
[  175.499356]  ? trace_hardirqs_on+0x310/0x310
[  175.503760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  175.509296]  ? check_preemption_disabled+0x48/0x200
[  175.514312]  ? takeover_tasklets+0xa90/0xa90
[  175.518716]  run_ksoftirqd+0x94/0x100
[  175.522513]  smpboot_thread_fn+0x68b/0xa00
[  175.526747]  ? sort_range+0x30/0x30
[  175.530371]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  175.535473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  175.541021]  ? __kthread_parkme+0xfb/0x1a0
[  175.545260]  kthread+0x35a/0x420
[  175.548623]  ? sort_range+0x30/0x30
[  175.552248]  ? kthread_bind+0x40/0x40
[  175.556051]  ret_from_fork+0x3a/0x50
[  175.559765] warn_alloc_show_mem: 1 callbacks suppressed
[  175.559777] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  175.559779] Mem-Info:
[  175.559810] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  175.559810]  active_file:17 inactive_file:15 isolated_file:0
[  175.559810]  unevictable:0 dirty:0 writeback:0 unstable:0
[  175.559810]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  175.559810]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  175.559810]  free:13630 free_pcp:175 free_cma:0
[  175.565142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  175.572413] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  175.574810] Call Trace:
[  175.607849] Node 0 
[  175.617186]  <IRQ>
[  175.644945] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  175.647499]  dump_stack+0x1c4/0x2b4
[  175.649705] lowmem_reserve[]:
[  175.651848]  ? dump_stack_print_info.cold.2+0x52/0x52
[  175.677320]  0
[  175.680941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  175.684028]  2819
[  175.689208]  warn_alloc.cold.119+0xb7/0x1bd
[  175.690982]  6323
[  175.696538]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  175.698600]  6323
[  175.702927]  ? lock_downgrade+0x900/0x900
[  175.709795]  ? trace_hardirqs_off+0xb8/0x310
[  175.711830] Node 0 
[  175.715969]  ? trace_hardirqs_off+0xb8/0x310
[  175.720372] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  175.722578]  __alloc_pages_slowpath+0x2667/0x2d80
[  175.726955] lowmem_reserve[]:
[  175.753938]  ? warn_alloc+0x120/0x120
[  175.758741]  0
[  175.761840]  ? trace_hardirqs_on+0x310/0x310
[  175.765615]  0
[  175.767408]  ? warn_alloc+0x120/0x120
[  175.771790]  3503
[  175.773588]  ? warn_alloc+0x120/0x120
[  175.777356]  3503
[  175.779411]  ? ktime_get+0x2e1/0x440
[  175.785241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  175.788923] Node 0 
[  175.794444]  ? check_preemption_disabled+0x48/0x200
[  175.794479] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  175.796682]  ? kasan_check_read+0x11/0x20
[  175.801672] lowmem_reserve[]:
[  175.830118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  175.834234]  0
[  175.837341]  ? should_fail+0x22d/0xd01
[  175.842848]  0
[  175.844644]  ? rcu_bh_qs+0xc0/0xc0
[  175.848499]  0
[  175.850295]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  175.853806]  0
[  175.855600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  175.862467]  ? should_fail+0x22d/0xd01
[  175.867978] Node 0 DMA: 
[  175.871865]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  175.871881]  ? should_fail+0x22d/0xd01
[  175.874531] 1*4kB 
[  175.879622]  ? dequeue_task_fair+0x9a0/0x9a0
[  175.883479] (U) 
[  175.885621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  175.890017] 0*8kB 
[  175.891977]  ? mark_held_locks+0x130/0x130
[  175.897054] 0*16kB 
[  175.899193]  ? mark_held_locks+0x130/0x130
[  175.903403] 1*32kB 
[  175.905631]  ? try_to_wake_up+0x10a/0x12f0
[  175.909842] (U) 
[  175.912071]  ? lock_downgrade+0x900/0x900
[  175.916279] 2*64kB 
[  175.918245]  ? lock_downgrade+0x900/0x900
[  175.922364] (U) 
[  175.924591]  ? trace_hardirqs_off+0xb8/0x310
[  175.928711] 1*128kB 
[  175.930677]  ? kasan_check_read+0x11/0x20
[  175.935056] (U) 
[  175.937374]  ? do_raw_spin_unlock+0xa7/0x2f0
[  175.941493] 1*256kB 
[  175.943474]  ? trace_hardirqs_on+0x310/0x310
[  175.947862] (U) 
[  175.950174]  ? kasan_check_write+0x14/0x20
[  175.954571] 0*512kB 
[  175.956554]  ? do_raw_spin_lock+0xc1/0x200
[  175.960759] 1*1024kB 
[  175.963075]  __alloc_pages_nodemask+0xa80/0xde0
[  175.967276] (U) 
[  175.969680]  ? should_fail+0x22d/0xd01
[  175.974321] 1*2048kB 
[  175.976293]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  175.980154] (M) 
[  175.982565]  ? ____cache_alloc_node+0x1c7/0x1e0
[  175.987545] 3*4096kB 
[  175.989519]  ? lock_downgrade+0x900/0x900
[  175.994154] (M) 
[  175.996556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.000679] = 15908kB
[  176.002645]  cache_grow_begin+0x91/0x8c0
[  176.008152] Node 0 
[  176.010554]  ? do_raw_spin_unlock+0xa7/0x2f0
[  176.014590] DMA32: 
[  176.016819]  fallback_alloc+0x203/0x2e0
[  176.021200] 3*4kB 
[  176.023432]  ____cache_alloc_node+0x1c7/0x1e0
[  176.027374] (ME) 
[  176.029549]  kmem_cache_alloc_node+0xe3/0x730
[  176.034027] 2*8kB 
[  176.036084]  ? ipv6_get_ifaddr+0x42e/0x620
[  176.040548] (ME) 
[  176.042690]  __alloc_skb+0x119/0x770
[  176.046897] 4*16kB 
[  176.048952]  ? skb_scrub_packet+0x490/0x490
[  176.052636] (UME) 
[  176.054864]  ? lock_downgrade+0x900/0x900
[  176.059156] 3*32kB 
[  176.061317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.065435] (ME) 
[  176.067670]  ? refcount_sub_and_test_checked+0x203/0x310
[  176.073194] 5*64kB 
[  176.075249]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  176.080682] (ME) 
[  176.082908]  ? addrconf_rs_timer+0x690/0x690
[  176.088329] 5*128kB 
[  176.090386]  ndisc_alloc_skb+0x144/0x340
[  176.094761] (UME) 
[  176.097075]  ndisc_send_rs+0x331/0x6e0
[  176.101109] 5*256kB 
[  176.103394]  addrconf_rs_timer+0x314/0x690
[  176.107256] (UME) 
[  176.109570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  176.113776] 4*512kB 
[  176.115920]  call_timer_fn+0x272/0x920
[  176.120122] (ME) 
[  176.122436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  176.126301] 4*1024kB 
[  176.128356]  ? process_timeout+0x40/0x40
[  176.132559] (UME) 
[  176.134961]  ? trace_hardirqs_off+0xb8/0x310
[  176.138994] 2*2048kB 
[  176.141140]  ? kasan_check_read+0x11/0x20
[  176.145523] (ME) 
[  176.147926]  ? do_raw_spin_unlock+0xa7/0x2f0
[  176.152055] 3*4096kB 
[  176.154134]  ? trace_hardirqs_on+0x310/0x310
[  176.158522] (M) 
[  176.160922]  ? __run_timers+0x7da/0xc70
[  176.165303] = 24956kB
[  176.167272]  ? lock_downgrade+0x900/0x900
[  176.171220] Node 0 
[  176.173624]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  176.177740] Normal: 
[  176.179968]  ? trace_hardirqs_on+0xbd/0x310
[  176.185042] 1016*4kB 
[  176.187359]  ? kasan_check_read+0x11/0x20
[  176.191651] (UME) 
[  176.194051]  ? __run_timers+0x7da/0xc70
[  176.198168] 447*8kB 
[  176.200311]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  176.204255] (ME) 
[  176.206573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.211997] 188*16kB 
[  176.214054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  176.219561] (UME) 
[  176.221965]  __run_timers+0x7e5/0xc70
[  176.226176] 54*32kB 
[  176.228322]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  176.232093] (UME) 
[  176.234924]  ? lock_acquire+0x1ed/0x520
[  176.240260] 20*64kB (UM) 
[  176.242413]  ? __hrtimer_run_queues+0x488/0x10d0
[  176.246363] 0*128kB 
[  176.249110]  ? lock_release+0x970/0x970
[  176.253834] 0*256kB 0*512kB 
[  176.256163]  ? trace_hardirqs_off+0xb8/0x310
[  176.260115] 0*1024kB 
[  176.263124]  ? do_raw_spin_unlock+0xa7/0x2f0
[  176.267503] 0*2048kB 
[  176.269906]  ? kasan_check_write+0x14/0x20
[  176.274287] 0*4096kB 
[  176.276686]  ? pvclock_read_flags+0x160/0x160
[  176.280894] = 13656kB
[  176.283293]  ? lock_downgrade+0x900/0x900
[  176.287767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  176.290163]  ? trace_hardirqs_on+0xbd/0x310
[  176.294286] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  176.303112]  ? kvm_sched_clock_read+0x9/0x20
[  176.307403] 4246 total pagecache pages
[  176.315967]  ? irq_exit+0x17f/0x1c0
[  176.320345] 0 pages in swap cache
[  176.324224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.327827] Swap cache stats: add 0, delete 0, find 0/0
[  176.331265]  ? check_preemption_disabled+0x48/0x200
[  176.336774] Free swap  = 0kB
[  176.342127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.347112] Total swap = 0kB
[  176.350128]  run_timer_softirq+0x52/0xb0
[  176.355648] 1965979 pages RAM
[  176.358656]  ? __this_cpu_preempt_check+0x1c/0x1f
[  176.362692] 0 pages HighMem/MovableOnly
[  176.365787]  __do_softirq+0x30b/0xad8
[  176.370599] 342307 pages reserved
[  176.374564]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  176.378339] 0 pages cma reserved
[  176.381780]  ? pvclock_read_flags+0x160/0x160
[  176.386910] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  176.390215]  ? lapic_next_event+0x5a/0x90
[  176.394750] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  176.401169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.405291] ksoftirqd/0 cpuset=
[  176.415596]  ? clockevents_program_event+0x140/0x370
[  176.421104] /
[  176.424374]  ? kvm_clock_read+0x18/0x30
[  176.429450]  mems_allowed=0
[  176.431153]  ? kvm_sched_clock_read+0x9/0x20
[  176.442411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.447946]  ? check_preemption_disabled+0x48/0x200
[  176.452965]  irq_exit+0x17f/0x1c0
[  176.456418]  smp_apic_timer_interrupt+0x1cb/0x760
[  176.461256]  ? smp_reschedule_interrupt+0x109/0x650
[  176.466267]  ? smp_call_function_single_interrupt+0x650/0x650
[  176.472157]  ? interrupt_entry+0xb5/0xf0
[  176.476223]  ? trace_hardirqs_off_caller+0xbb/0x310
[  176.481235]  ? trace_hardirqs_off_caller+0xbb/0x310
[  176.486248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  176.491087]  ? trace_hardirqs_on_caller+0x310/0x310
[  176.496098]  ? trace_hardirqs_on_caller+0x310/0x310
[  176.501115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.506650]  ? check_preemption_disabled+0x48/0x200
[  176.511666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  176.516520]  apic_timer_interrupt+0xf/0x20
[  176.520742]  </IRQ>
[  176.522979] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  176.527912] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  176.546807] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  176.554524] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  176.561791] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  176.569055] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  176.576320] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  176.583581] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  176.590861]  ? trace_hardirqs_on+0xb4/0x310
[  176.595191]  skb_clone+0x1bb/0x500
[  176.598727]  ? skb_split+0x11e0/0x11e0
[  176.602613]  ? preempt_notifier_register+0x200/0x200
[  176.607712]  ? __switch_to_asm+0x34/0x70
[  176.611770]  ? __switch_to_asm+0x34/0x70
[  176.615830]  ? __switch_to_asm+0x40/0x70
[  176.619886]  ? __switch_to_asm+0x34/0x70
[  176.623946]  ? __switch_to_asm+0x40/0x70
[  176.628013]  ? __switch_to_asm+0x40/0x70
[  176.632073]  ? __switch_to_asm+0x34/0x70
[  176.636134]  ? __switch_to_asm+0x34/0x70
[  176.640189]  ? __switch_to_asm+0x40/0x70
[  176.644249]  ? __switch_to_asm+0x34/0x70
[  176.648307]  bpf_clone_redirect+0xb9/0x490
[  176.652544]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  176.657556]  ? __sched_text_start+0x8/0x8
[  176.661698]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  176.666455]  ? retint_kernel+0x2d/0x2d
[  176.670336]  ? trace_hardirqs_on_caller+0xc0/0x310
[  176.675270]  ? rcu_gp_kthread+0x2310/0x2310
[  176.679592]  ? trace_hardirqs_off+0x310/0x310
[  176.684095]  ? lock_acquire+0x1ed/0x520
[  176.688071]  ? bpf_test_run+0x3cb/0x780
[  176.692042]  ? lock_downgrade+0x900/0x900
[  176.696191]  ? lock_release+0x970/0x970
[  176.700166]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  176.705960]  ? preempt_schedule_common+0x1f/0xd0
[  176.710713]  ? preempt_schedule+0x4d/0x60
[  176.714859]  ? ___preempt_schedule+0x16/0x18
[  176.719271]  ? bpf_test_run+0x25d/0x780
[  176.723245]  ? netlink_diag_dump+0x2a0/0x2a0
[  176.727653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  176.733187]  ? bpf_test_init.isra.9+0x70/0x100
[  176.737766]  ? bpf_prog_test_run_skb+0x634/0xb40
[  176.742541]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  176.747379]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  176.752909]  ? fput+0x130/0x1a0
[  176.756185]  ? __bpf_prog_get+0x9b/0x290
[  176.760243]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  176.765080]  ? bpf_prog_test_run+0x130/0x1a0
[  176.769485]  ? __x64_sys_bpf+0x3d8/0x510
[  176.773548]  ? bpf_prog_get+0x20/0x20
[  176.777361]  ? do_syscall_64+0x1b9/0x820
[  176.781418]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  176.786777]  ? syscall_return_slowpath+0x5e0/0x5e0
[  176.791716]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  176.796556]  ? trace_hardirqs_on_caller+0x310/0x310
[  176.801572]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  176.806591]  ? prepare_exit_to_usermode+0x291/0x3b0
[  176.811610]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  176.816456]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  176.821829] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  176.821884] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  176.828665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  176.828669] Call Trace:
[  176.828687]  dump_stack+0x1c4/0x2b4
[  176.828703]  ? dump_stack_print_info.cold.2+0x52/0x52
[  176.835245] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  176.844533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.847094] syz-executor4 cpuset=
[  176.850726]  warn_alloc.cold.119+0xb7/0x1bd
[  176.855879] syz4
[  176.866357]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  176.871865]  mems_allowed=0
[  176.875309]  ? lock_downgrade+0x900/0x900
[  176.893440]  ? trace_hardirqs_off+0xb8/0x310
[  176.897853]  ? trace_hardirqs_off+0xb8/0x310
[  176.902262]  __alloc_pages_slowpath+0x2667/0x2d80
[  176.907117]  ? mark_held_locks+0x130/0x130
[  176.911356]  ? warn_alloc+0x120/0x120
[  176.915159]  ? warn_alloc+0x120/0x120
[  176.918961]  ? cpuacct_charge+0x265/0x440
[  176.923105]  ? warn_alloc+0x120/0x120
[  176.926902]  ? mark_held_locks+0x130/0x130
[  176.931139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.936674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  176.942209]  ? should_fail+0x22d/0xd01
[  176.946098]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  176.951196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  176.956733]  ? should_fail+0x22d/0xd01
[  176.960625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  176.965721]  ? should_fail+0x22d/0xd01
[  176.969612]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  176.974714]  ? mark_held_locks+0x130/0x130
[  176.978948]  ? mark_held_locks+0x130/0x130
[  176.983179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  176.988714]  ? trace_hardirqs_off+0xb8/0x310
[  176.993120]  ? kasan_check_read+0x11/0x20
[  176.997267]  ? do_raw_spin_unlock+0xa7/0x2f0
[  177.001671]  ? trace_hardirqs_on+0x310/0x310
[  177.006079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.011613]  ? wq_watchdog_touch+0x9c/0xfe
[  177.015849]  ? io_serial_in+0x11/0x90
[  177.019646]  ? retint_kernel+0x2d/0x2d
[  177.023528]  ? trace_hardirqs_on_caller+0xc0/0x310
[  177.028456]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  177.033207]  ? trace_hardirqs_off+0x310/0x310
[  177.037698]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  177.042806]  __alloc_pages_nodemask+0xa80/0xde0
[  177.047472]  ? should_fail+0x22d/0xd01
[  177.051362]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  177.056390]  ? ____cache_alloc_node+0x1c7/0x1e0
[  177.061060]  ? lock_downgrade+0x900/0x900
[  177.065208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.070745]  cache_grow_begin+0x91/0x8c0
[  177.074803]  ? do_raw_spin_unlock+0xa7/0x2f0
[  177.079215]  fallback_alloc+0x203/0x2e0
[  177.083189]  ____cache_alloc_node+0x1c7/0x1e0
[  177.087692]  kmem_cache_alloc_node+0xe3/0x730
[  177.092188]  ? ipv6_get_ifaddr+0x42e/0x620
[  177.096425]  __alloc_skb+0x119/0x770
[  177.100136]  ? skb_scrub_packet+0x490/0x490
[  177.104920]  ? lock_downgrade+0x900/0x900
[  177.109072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.114606]  ? refcount_sub_and_test_checked+0x203/0x310
[  177.120055]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  177.125499]  ? addrconf_rs_timer+0x690/0x690
[  177.129911]  ndisc_alloc_skb+0x144/0x340
[  177.133973]  ndisc_send_rs+0x331/0x6e0
[  177.137868]  addrconf_rs_timer+0x314/0x690
[  177.142099]  ? lock_release+0x970/0x970
[  177.146071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  177.150313]  call_timer_fn+0x272/0x920
[  177.154195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  177.158425]  ? process_timeout+0x40/0x40
[  177.162484]  ? kasan_check_read+0x11/0x20
[  177.167847]  ? do_raw_spin_unlock+0xa7/0x2f0
[  177.172254]  ? trace_hardirqs_on+0x310/0x310
[  177.176664]  ? __run_timers+0x7da/0xc70
[  177.180634]  ? lock_downgrade+0x900/0x900
[  177.184780]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  177.189915]  ? trace_hardirqs_on+0xbd/0x310
[  177.194231]  ? kasan_check_read+0x11/0x20
[  177.198378]  ? __run_timers+0x7da/0xc70
[  177.202354]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  177.207804]  ? kasan_check_write+0x14/0x20
[  177.212043]  ? do_raw_spin_lock+0xc1/0x200
[  177.216276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  177.220507]  __run_timers+0x7e5/0xc70
[  177.224319]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  177.229678]  ? lock_downgrade+0x900/0x900
[  177.233826]  ? finish_task_switch+0x1b5/0x900
[  177.238318]  ? trace_hardirqs_on+0xbd/0x310
[  177.242631]  ? kasan_check_read+0x11/0x20
[  177.246781]  ? finish_task_switch+0x1f5/0x900
[  177.251277]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  177.256725]  ? compat_start_thread+0x80/0x80
[  177.261142]  ? pvclock_read_flags+0x160/0x160
[  177.265631]  ? __switch_to_asm+0x34/0x70
[  177.269688]  ? __switch_to_asm+0x34/0x70
[  177.273745]  ? __switch_to_asm+0x40/0x70
[  177.277806]  ? __switch_to_asm+0x40/0x70
[  177.281878]  ? __switch_to_asm+0x34/0x70
[  177.285935]  ? __switch_to_asm+0x40/0x70
[  177.289994]  ? trace_hardirqs_on+0xbd/0x310
[  177.294326]  ? kvm_sched_clock_read+0x9/0x20
[  177.298736]  ? run_ksoftirqd+0x94/0x100
[  177.302709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.308247]  ? check_preemption_disabled+0x48/0x200
[  177.313262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.318802]  run_timer_softirq+0x52/0xb0
[  177.322857]  ? __this_cpu_preempt_check+0x1c/0x1f
[  177.327695]  __do_softirq+0x30b/0xad8
[  177.331499]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  177.336595]  ? trace_hardirqs_off+0x310/0x310
[  177.341090]  ? retint_kernel+0x1b/0x2d
[  177.344978]  ? schedule+0x108/0x460
[  177.348615]  ? trace_hardirqs_off+0xb8/0x310
[  177.353029]  ? smpboot_thread_fn+0x68b/0xa00
[  177.357435]  ? trace_hardirqs_on+0x310/0x310
[  177.361840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  177.367376]  ? check_preemption_disabled+0x48/0x200
[  177.372391]  ? takeover_tasklets+0xa90/0xa90
[  177.376801]  run_ksoftirqd+0x94/0x100
[  177.380604]  smpboot_thread_fn+0x68b/0xa00
[  177.384840]  ? sort_range+0x30/0x30
[  177.388466]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  177.393569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  177.399114]  ? __kthread_parkme+0xfb/0x1a0
[  177.403351]  kthread+0x35a/0x420
[  177.406710]  ? sort_range+0x30/0x30
[  177.410331]  ? kthread_bind+0x40/0x40
[  177.414132]  ret_from_fork+0x3a/0x50
[  177.417857] warn_alloc_show_mem: 1 callbacks suppressed
[  177.417869] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  177.417871] Mem-Info:
[  177.417903] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  177.417903]  active_file:17 inactive_file:15 isolated_file:0
[  177.417903]  unevictable:0 dirty:0 writeback:0 unstable:0
[  177.417903]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  177.417903]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  177.417903]  free:13630 free_pcp:175 free_cma:0
[  177.423233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  177.430505] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  177.432901] Call Trace:
[  177.465938] Node 0 
[  177.475276]  <IRQ>
[  177.503044] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  177.505596]  dump_stack+0x1c4/0x2b4
[  177.507801] lowmem_reserve[]:
[  177.509947]  ? dump_stack_print_info.cold.2+0x52/0x52
[  177.535417]  0
[  177.539041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.542117]  2819
[  177.547302]  warn_alloc.cold.119+0xb7/0x1bd
[  177.549073]  6323
[  177.554599]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  177.556632]  6323
[  177.560945]  ? lock_downgrade+0x900/0x900
[  177.567817]  ? trace_hardirqs_off+0xb8/0x310
[  177.569855] Node 0 
[  177.573992]  ? trace_hardirqs_off+0xb8/0x310
[  177.578405] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  177.580611]  __alloc_pages_slowpath+0x2667/0x2d80
[  177.584991] lowmem_reserve[]:
[  177.611984]  ? warn_alloc+0x120/0x120
[  177.616790]  0
[  177.619886]  ? trace_hardirqs_on+0x310/0x310
[  177.623655]  0
[  177.625447]  ? warn_alloc+0x120/0x120
[  177.629829]  3503
[  177.631623]  ? warn_alloc+0x120/0x120
[  177.635413]  3503
[  177.637471]  ? ktime_get+0x2e1/0x440
[  177.643298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.646981] Node 0 
[  177.652508]  ? check_preemption_disabled+0x48/0x200
[  177.652549] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  177.654752]  ? kasan_check_read+0x11/0x20
[  177.659743] lowmem_reserve[]:
[  177.688199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  177.692321]  0
[  177.695419]  ? should_fail+0x22d/0xd01
[  177.700935]  0
[  177.702732]  ? rcu_bh_qs+0xc0/0xc0
[  177.706592]  0
[  177.708386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  177.711899]  0
[  177.713694]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  177.720560]  ? should_fail+0x22d/0xd01
[  177.726066] Node 0 DMA: 
[  177.729944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  177.729960]  ? should_fail+0x22d/0xd01
[  177.732609] 1*4kB 
[  177.737703]  ? rcu_idle_enter+0x4b0/0x4b0
[  177.741559] (U) 
[  177.743704]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  177.747822] 0*8kB 
[  177.749791]  ? mark_held_locks+0x130/0x130
[  177.754881] 0*16kB 
[  177.757031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.761236] 1*32kB 
[  177.763465]  ? mark_held_locks+0x130/0x130
[  177.768979] (U) 
[  177.771207]  ? rcu_irq_exit+0xce/0x100
[  177.775411] 2*64kB 
[  177.777378]  ? irq_exit+0xbd/0x1c0
[  177.781238] (U) 
[  177.783468]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  177.786977] 1*128kB 
[  177.788944]  ? do_raw_spin_unlock+0xa7/0x2f0
[  177.793933] (U) 
[  177.796250]  ? smp_call_function_single_interrupt+0x650/0x650
[  177.800632] 1*256kB 
[  177.802617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.808469] (U) 
[  177.810787]  ? ret_from_intr+0xb/0x1e
[  177.816294] 0*512kB 
[  177.818258]  ? retint_kernel+0x2d/0x2d
[  177.822037] 1*1024kB 
[  177.824352]  ? trace_hardirqs_on_caller+0xc0/0x310
[  177.828208] (U) 
[  177.830612]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  177.835509] 1*2048kB 
[  177.837477]  ? trace_hardirqs_off+0x310/0x310
[  177.842204] (M) 
[  177.844605]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  177.849071] 3*4096kB 
[  177.851049]  __alloc_pages_nodemask+0xa80/0xde0
[  177.856119] (M) 
[  177.858526]  ? should_fail+0x22d/0xd01
[  177.863160] = 15908kB
[  177.865129]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  177.868991] Node 0 
[  177.871408]  ? ____cache_alloc_node+0x1c7/0x1e0
[  177.876384] DMA32: 
[  177.878610]  ? lock_downgrade+0x900/0x900
[  177.883253] 3*4kB 
[  177.885482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.889602] (ME) 
[  177.891747]  cache_grow_begin+0x91/0x8c0
[  177.897254] 2*8kB 
[  177.899310]  ? do_raw_spin_unlock+0xa7/0x2f0
[  177.903339] (ME) 
[  177.905497]  fallback_alloc+0x203/0x2e0
[  177.909879] 4*16kB 
[  177.911931]  ____cache_alloc_node+0x1c7/0x1e0
[  177.915873] (UME) 
[  177.918117]  kmem_cache_alloc_node+0xe3/0x730
[  177.922588] 3*32kB 
[  177.924733]  ? ipv6_get_ifaddr+0x42e/0x620
[  177.929201] (ME) 
[  177.931431]  __alloc_skb+0x119/0x770
[  177.935637] 5*64kB 
[  177.937693]  ? skb_scrub_packet+0x490/0x490
[  177.941377] (ME) 
[  177.943605]  ? lock_downgrade+0x900/0x900
[  177.947897] 5*128kB 
[  177.949984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  177.954103] (UME) 
[  177.956420]  ? refcount_sub_and_test_checked+0x203/0x310
[  177.961925] 5*256kB 
[  177.964066]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  177.969490] (UME) 
[  177.971808]  ? addrconf_rs_timer+0x690/0x690
[  177.977231] 4*512kB 
[  177.979375]  ndisc_alloc_skb+0x144/0x340
[  177.983768] (ME) 
[  177.986087]  ndisc_send_rs+0x331/0x6e0
[  177.990122] 4*1024kB 
[  177.992179]  addrconf_rs_timer+0x314/0x690
[  177.996037] (UME) 
[  177.998438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  178.002644] 2*2048kB 
[  178.004792]  call_timer_fn+0x272/0x920
[  178.008995] (ME) 
[  178.011405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  178.015268] 3*4096kB 
[  178.017323]  ? process_timeout+0x40/0x40
[  178.021527] (M) 
[  178.023935]  ? trace_hardirqs_off+0xb8/0x310
[  178.027970] = 24956kB
[  178.029936]  ? kasan_check_read+0x11/0x20
[  178.034317] Node 0 
[  178.036722]  ? do_raw_spin_unlock+0xa7/0x2f0
[  178.040838] Normal: 
[  178.043065]  ? trace_hardirqs_on+0x310/0x310
[  178.047443] 1016*4kB 
[  178.049766]  ? __run_timers+0x7da/0xc70
[  178.054143] (UME) 
[  178.056552]  ? lock_downgrade+0x900/0x900
[  178.060495] 447*8kB 
[  178.062651]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  178.066765] (ME) 
[  178.069080]  ? trace_hardirqs_on+0xbd/0x310
[  178.074154] 188*16kB 
[  178.076207]  ? kasan_check_read+0x11/0x20
[  178.080497] (UME) 
[  178.082904]  ? __run_timers+0x7da/0xc70
[  178.087030] 54*32kB 
[  178.089178]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  178.093121] (UME) 
[  178.095437]  ? kasan_check_write+0x14/0x20
[  178.100856] 20*64kB 
[  178.103263]  ? do_raw_spin_lock+0xc1/0x200
[  178.107469] (UM) 
[  178.109787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  178.113994] 0*128kB 
[  178.116061]  __run_timers+0x7e5/0xc70
[  178.120262] 0*256kB 
[  178.122579]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  178.126347] 0*512kB 
[  178.128659]  ? lock_acquire+0x1ed/0x520
[  178.133996] 0*1024kB 
[  178.136327]  ? __hrtimer_run_queues+0x488/0x10d0
[  178.140276] 0*2048kB 
[  178.142674]  ? lock_release+0x970/0x970
[  178.147405] 0*4096kB 
[  178.149812]  ? trace_hardirqs_off+0xb8/0x310
[  178.153757] = 13656kB
[  178.156158]  ? do_raw_spin_unlock+0xa7/0x2f0
[  178.160546] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  178.162940]  ? kasan_check_write+0x14/0x20
[  178.167325] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  178.176146]  ? pvclock_read_flags+0x160/0x160
[  178.180355] 4246 total pagecache pages
[  178.188918]  ? lock_downgrade+0x900/0x900
[  178.193388] 0 pages in swap cache
[  178.197264]  ? trace_hardirqs_on+0xbd/0x310
[  178.201385] Swap cache stats: add 0, delete 0, find 0/0
[  178.205235]  ? kvm_sched_clock_read+0x9/0x20
[  178.209528] Free swap  = 0kB
[  178.214885]  ? irq_exit+0x17f/0x1c0
[  178.219266] Total swap = 0kB
[  178.222275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  178.225875] 1965979 pages RAM
[  178.228883]  ? check_preemption_disabled+0x48/0x200
[  178.234503] 0 pages HighMem/MovableOnly
[  178.234505] 342307 pages reserved
[  178.234508] 0 pages cma reserved
[  178.234566] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  178.237645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  178.242741] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  178.246600]  run_timer_softirq+0x52/0xb0
[  178.250035] ksoftirqd/0 cpuset=
[  178.253390]  ? __this_cpu_preempt_check+0x1c/0x1f
[  178.259852] /
[  178.265382]  __do_softirq+0x30b/0xad8
[  178.275666]  mems_allowed=0
[  178.279714]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  178.301279]  ? pvclock_read_flags+0x160/0x160
[  178.305771]  ? lapic_next_event+0x5a/0x90
[  178.309921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  178.315456]  ? clockevents_program_event+0x140/0x370
[  178.320560]  ? kvm_clock_read+0x18/0x30
[  178.324534]  ? kvm_sched_clock_read+0x9/0x20
[  178.328939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  178.334476]  ? check_preemption_disabled+0x48/0x200
[  178.339501]  irq_exit+0x17f/0x1c0
[  178.342959]  smp_apic_timer_interrupt+0x1cb/0x760
[  178.347795]  ? smp_reschedule_interrupt+0x109/0x650
[  178.352810]  ? smp_call_function_single_interrupt+0x650/0x650
[  178.358694]  ? interrupt_entry+0xb5/0xf0
[  178.362755]  ? trace_hardirqs_off_caller+0xbb/0x310
[  178.367767]  ? trace_hardirqs_off_caller+0xbb/0x310
[  178.372783]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  178.377620]  ? trace_hardirqs_on_caller+0x310/0x310
[  178.382632]  ? trace_hardirqs_on_caller+0x310/0x310
[  178.387644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  178.393176]  ? check_preemption_disabled+0x48/0x200
[  178.398203]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  178.403049]  apic_timer_interrupt+0xf/0x20
[  178.407277]  </IRQ>
[  178.409523] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  178.414452] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  178.433348] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  178.441051] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  178.448312] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  178.455574] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  178.462834] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  178.470100] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  178.477380]  ? trace_hardirqs_on+0xb4/0x310
[  178.481708]  skb_clone+0x1bb/0x500
[  178.485249]  ? skb_split+0x11e0/0x11e0
[  178.489136]  ? preempt_notifier_register+0x200/0x200
[  178.494240]  ? __switch_to_asm+0x34/0x70
[  178.498302]  ? __switch_to_asm+0x34/0x70
[  178.502361]  ? __switch_to_asm+0x40/0x70
[  178.506419]  ? __switch_to_asm+0x34/0x70
[  178.510478]  ? __switch_to_asm+0x40/0x70
[  178.514538]  ? __switch_to_asm+0x40/0x70
[  178.518596]  ? __switch_to_asm+0x34/0x70
[  178.522658]  ? __switch_to_asm+0x34/0x70
[  178.526718]  ? __switch_to_asm+0x40/0x70
[  178.530772]  ? __switch_to_asm+0x34/0x70
[  178.534835]  bpf_clone_redirect+0xb9/0x490
[  178.539073]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  178.544088]  ? __sched_text_start+0x8/0x8
[  178.548234]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  178.552986]  ? retint_kernel+0x2d/0x2d
[  178.556882]  ? trace_hardirqs_on_caller+0xc0/0x310
[  178.561814]  ? rcu_gp_kthread+0x2310/0x2310
[  178.566135]  ? trace_hardirqs_off+0x310/0x310
[  178.570640]  ? lock_acquire+0x1ed/0x520
[  178.574610]  ? bpf_test_run+0x3cb/0x780
[  178.578580]  ? lock_downgrade+0x900/0x900
[  178.582724]  ? lock_release+0x970/0x970
[  178.586700]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  178.592496]  ? preempt_schedule_common+0x1f/0xd0
[  178.597257]  ? preempt_schedule+0x4d/0x60
[  178.601402]  ? ___preempt_schedule+0x16/0x18
[  178.605809]  ? bpf_test_run+0x25d/0x780
[  178.609786]  ? netlink_diag_dump+0x2a0/0x2a0
[  178.614196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  178.619727]  ? bpf_test_init.isra.9+0x70/0x100
[  178.624307]  ? bpf_prog_test_run_skb+0x634/0xb40
[  178.629062]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  178.633899]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  178.639432]  ? fput+0x130/0x1a0
[  178.642715]  ? __bpf_prog_get+0x9b/0x290
[  178.646777]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  178.651613]  ? bpf_prog_test_run+0x130/0x1a0
[  178.656026]  ? __x64_sys_bpf+0x3d8/0x510
[  178.660087]  ? bpf_prog_get+0x20/0x20
[  178.663900]  ? do_syscall_64+0x1b9/0x820
[  178.667973]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  178.673344]  ? syscall_return_slowpath+0x5e0/0x5e0
[  178.678270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  178.683115]  ? trace_hardirqs_on_caller+0x310/0x310
[  178.688131]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  178.693145]  ? prepare_exit_to_usermode+0x291/0x3b0
[  178.698163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  178.703015]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  178.708387] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  178.708441] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  178.715220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  178.715225] Call Trace:
[  178.715243]  dump_stack+0x1c4/0x2b4
[  178.715259]  ? dump_stack_print_info.cold.2+0x52/0x52
[  178.721771] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  178.731075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  178.733634] syz-executor4 cpuset=
[  178.737257]  warn_alloc.cold.119+0xb7/0x1bd
[  178.742428] syz4
[  178.752917]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  178.758431]  mems_allowed=0
[  178.761877]  ? lock_downgrade+0x900/0x900
[  178.780031]  ? trace_hardirqs_off+0xb8/0x310
[  178.784442]  ? trace_hardirqs_off+0xb8/0x310
[  178.788854]  __alloc_pages_slowpath+0x2667/0x2d80
[  178.793710]  ? mark_held_locks+0x130/0x130
[  178.797950]  ? warn_alloc+0x120/0x120
[  178.801749]  ? warn_alloc+0x120/0x120
[  178.805546]  ? cpuacct_charge+0x265/0x440
[  178.809690]  ? warn_alloc+0x120/0x120
[  178.813495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  178.819039]  ? should_fail+0x22d/0xd01
[  178.822927]  ? lock_downgrade+0x900/0x900
[  178.827072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  178.832171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  178.837705]  ? should_fail+0x22d/0xd01
[  178.841593]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  178.847390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  178.852487]  ? should_fail+0x22d/0xd01
[  178.856372]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  178.861479]  ? mark_held_locks+0x130/0x130
[  178.865710]  ? mark_held_locks+0x130/0x130
[  178.869939]  ? __account_cfs_rq_runtime+0x790/0x790
[  178.874948]  ? select_task_rq_fair+0x754/0x3500
[  178.879614]  ? lock_downgrade+0x900/0x900
[  178.883762]  ? __cpu_to_node+0x7d/0xa0
[  178.887650]  ? account_entity_enqueue+0x3a3/0x660
[  178.892493]  ? __enqueue_entity+0x10d/0x1f0
[  178.896812]  ? check_preemption_disabled+0x48/0x200
[  178.901834]  __alloc_pages_nodemask+0xa80/0xde0
[  178.906502]  ? should_fail+0x22d/0xd01
[  178.910393]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  178.915420]  ? ____cache_alloc_node+0x1c7/0x1e0
[  178.920091]  ? lock_downgrade+0x900/0x900
[  178.924245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  178.929788]  cache_grow_begin+0x91/0x8c0
[  178.933853]  ? do_raw_spin_unlock+0xa7/0x2f0
[  178.938264]  fallback_alloc+0x203/0x2e0
[  178.942242]  ____cache_alloc_node+0x1c7/0x1e0
[  178.946739]  kmem_cache_alloc_node+0xe3/0x730
[  178.951318]  ? ipv6_get_ifaddr+0x42e/0x620
[  178.955554]  __alloc_skb+0x119/0x770
[  178.959268]  ? skb_scrub_packet+0x490/0x490
[  178.963590]  ? lock_downgrade+0x900/0x900
[  178.967741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  178.973285]  ? refcount_sub_and_test_checked+0x203/0x310
[  178.978734]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  178.984184]  ? addrconf_rs_timer+0x690/0x690
[  178.988600]  ndisc_alloc_skb+0x144/0x340
[  178.992667]  ndisc_send_rs+0x331/0x6e0
[  178.996552]  addrconf_rs_timer+0x314/0x690
[  179.000783]  ? lock_release+0x970/0x970
[  179.004759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  179.009011]  call_timer_fn+0x272/0x920
[  179.012900]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  179.017138]  ? process_timeout+0x40/0x40
[  179.021195]  ? kasan_check_read+0x11/0x20
[  179.025341]  ? do_raw_spin_unlock+0xa7/0x2f0
[  179.029746]  ? trace_hardirqs_on+0x310/0x310
[  179.034162]  ? __run_timers+0x7da/0xc70
[  179.038136]  ? lock_downgrade+0x900/0x900
[  179.042285]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  179.047391]  ? trace_hardirqs_on+0xbd/0x310
[  179.051707]  ? kasan_check_read+0x11/0x20
[  179.055851]  ? __run_timers+0x7da/0xc70
[  179.059827]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  179.065283]  ? kasan_check_write+0x14/0x20
[  179.069518]  ? do_raw_spin_lock+0xc1/0x200
[  179.073752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  179.077985]  __run_timers+0x7e5/0xc70
[  179.081804]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  179.087167]  ? lock_downgrade+0x900/0x900
[  179.091313]  ? finish_task_switch+0x1b5/0x900
[  179.095809]  ? trace_hardirqs_on+0xbd/0x310
[  179.100131]  ? kasan_check_read+0x11/0x20
[  179.104281]  ? finish_task_switch+0x1f5/0x900
[  179.108775]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  179.114221]  ? compat_start_thread+0x80/0x80
[  179.118641]  ? pvclock_read_flags+0x160/0x160
[  179.123132]  ? __switch_to_asm+0x34/0x70
[  179.127188]  ? __switch_to_asm+0x34/0x70
[  179.131244]  ? __switch_to_asm+0x40/0x70
[  179.135301]  ? __switch_to_asm+0x40/0x70
[  179.139355]  ? __switch_to_asm+0x34/0x70
[  179.143410]  ? __switch_to_asm+0x40/0x70
[  179.147475]  ? trace_hardirqs_on+0xbd/0x310
[  179.151797]  ? kvm_sched_clock_read+0x9/0x20
[  179.156210]  ? run_ksoftirqd+0x94/0x100
[  179.160187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  179.165718]  ? check_preemption_disabled+0x48/0x200
[  179.170735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  179.176279]  run_timer_softirq+0x52/0xb0
[  179.180343]  ? __this_cpu_preempt_check+0x1c/0x1f
[  179.185182]  __do_softirq+0x30b/0xad8
[  179.188984]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  179.194099]  ? trace_hardirqs_off+0x310/0x310
[  179.198593]  ? retint_kernel+0x1b/0x2d
[  179.202479]  ? schedule+0x108/0x460
[  179.206108]  ? trace_hardirqs_off+0xb8/0x310
[  179.210516]  ? smpboot_thread_fn+0x68b/0xa00
[  179.214924]  ? trace_hardirqs_on+0x310/0x310
[  179.219330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  179.224864]  ? check_preemption_disabled+0x48/0x200
[  179.229879]  ? takeover_tasklets+0xa90/0xa90
[  179.234303]  run_ksoftirqd+0x94/0x100
[  179.238101]  smpboot_thread_fn+0x68b/0xa00
[  179.242332]  ? sort_range+0x30/0x30
[  179.245958]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  179.251062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  179.256598]  ? __kthread_parkme+0xfb/0x1a0
[  179.260831]  kthread+0x35a/0x420
[  179.264195]  ? sort_range+0x30/0x30
[  179.267819]  ? kthread_bind+0x40/0x40
[  179.271636]  ret_from_fork+0x3a/0x50
[  179.275351] warn_alloc_show_mem: 1 callbacks suppressed
[  179.275364] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  179.275365] Mem-Info:
[  179.275398] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  179.275398]  active_file:17 inactive_file:15 isolated_file:0
[  179.275398]  unevictable:0 dirty:0 writeback:0 unstable:0
[  179.275398]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  179.275398]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  179.275398]  free:13630 free_pcp:175 free_cma:0
[  179.280733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  179.288013] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  179.290408] Call Trace:
[  179.323442] Node 0 
[  179.332779]  <IRQ>
[  179.360540] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  179.363098]  dump_stack+0x1c4/0x2b4
[  179.365309] lowmem_reserve[]:
[  179.367451]  ? dump_stack_print_info.cold.2+0x52/0x52
[  179.392923]  0
[  179.396542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  179.399623]  2819
[  179.404803]  warn_alloc.cold.119+0xb7/0x1bd
[  179.406578]  6323
[  179.412104]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  179.414137]  6323
[  179.418457]  ? lock_downgrade+0x900/0x900
[  179.425327]  ? trace_hardirqs_off+0xb8/0x310
[  179.427373] Node 0 
[  179.431514]  ? trace_hardirqs_off+0xb8/0x310
[  179.435916] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  179.438127]  __alloc_pages_slowpath+0x2667/0x2d80
[  179.442506] lowmem_reserve[]:
[  179.469486]  ? warn_alloc+0x120/0x120
[  179.474286]  0
[  179.477381]  ? warn_alloc+0x120/0x120
[  179.481150]  0
[  179.482945]  ? warn_alloc+0x120/0x120
[  179.486747]  3503
[  179.488545]  ? mark_held_locks+0x130/0x130
[  179.492330]  3503
[  179.494387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  179.500665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  179.506183] Node 0 
[  179.511708]  ? should_fail+0x22d/0xd01
[  179.511743] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  179.513945]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  179.517805] lowmem_reserve[]:
[  179.546249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  179.551325]  0
[  179.554424]  ? should_fail+0x22d/0xd01
[  179.559934]  0
[  179.561731]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  179.565592]  0
[  179.567386]  ? should_fail+0x22d/0xd01
[  179.572475]  0
[  179.574269]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  179.579921]  ? mark_held_locks+0x130/0x130
[  179.584998] Node 0 DMA: 
[  179.589229]  ? mark_held_locks+0x130/0x130
[  179.589246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  179.591894] 1*4kB 
[  179.596121]  ? trace_hardirqs_off+0xb8/0x310
[  179.601627] (U) 
[  179.603766]  ? kasan_check_read+0x11/0x20
[  179.608146] 0*8kB 
[  179.610114]  ? do_raw_spin_unlock+0xa7/0x2f0
[  179.614231] 0*16kB 
[  179.616369]  ? trace_hardirqs_on+0x310/0x310
[  179.620748] 1*32kB 
[  179.622978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  179.627358] (U) 
[  179.629633]  ? wq_watchdog_touch+0x9c/0xfe
[  179.635138] 2*64kB 
[  179.637107]  ? io_serial_in+0x11/0x90
[  179.641308] (U) 
[  179.643539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  179.647322] 1*128kB 
[  179.649291]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  179.654799] (U) 
[  179.657116]  __alloc_pages_nodemask+0xa80/0xde0
[  179.662201] 1*256kB 
[  179.664169]  ? should_fail+0x22d/0xd01
[  179.668820] (U) 
[  179.671136]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  179.675021] 0*512kB 
[  179.676994]  ? ____cache_alloc_node+0x1c7/0x1e0
[  179.681975] 1*1024kB 
[  179.684303]  ? lock_downgrade+0x900/0x900
[  179.688945] (U) 
[  179.691348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  179.695469] 1*2048kB 
[  179.697435]  cache_grow_begin+0x91/0x8c0
[  179.702941] (M) 
[  179.705345]  ? do_raw_spin_unlock+0xa7/0x2f0
[  179.709375] 3*4096kB 
[  179.711342]  fallback_alloc+0x203/0x2e0
[  179.715722] (M) 
[  179.718129]  ____cache_alloc_node+0x1c7/0x1e0
[  179.722102] = 15908kB
[  179.724086]  kmem_cache_alloc_node+0xe3/0x730
[  179.728554] Node 0 
[  179.730953]  ? ipv6_get_ifaddr+0x42e/0x620
[  179.735419] DMA32: 
[  179.737646]  __alloc_skb+0x119/0x770
[  179.741867] 3*4kB 
[  179.744110]  ? skb_scrub_packet+0x490/0x490
[  179.747812] (ME) 
[  179.749958]  ? lock_downgrade+0x900/0x900
[  179.754252] 2*8kB 
[  179.756309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  179.760429] (ME) 
[  179.762571]  ? refcount_sub_and_test_checked+0x203/0x310
[  179.768090] 4*16kB 
[  179.770143]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  179.775561] (UME) 
[  179.777788]  ? addrconf_rs_timer+0x690/0x690
[  179.783210] 3*32kB 
[  179.785352]  ndisc_alloc_skb+0x144/0x340
[  179.789731] (ME) 
[  179.791958]  ndisc_send_rs+0x331/0x6e0
[  179.795996] 5*64kB 
[  179.798068]  addrconf_rs_timer+0x314/0x690
[  179.801928] (ME) 
[  179.804158]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  179.808398] 5*128kB 
[  179.810475]  call_timer_fn+0x272/0x920
[  179.814677] (UME) 
[  179.816994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  179.820868] 5*256kB 
[  179.823018]  ? process_timeout+0x40/0x40
[  179.827225] (UME) 
[  179.829543]  ? trace_hardirqs_off+0xb8/0x310
[  179.833591] 4*512kB 
[  179.835731]  ? kasan_check_read+0x11/0x20
[  179.840121] (ME) 
[  179.842436]  ? do_raw_spin_unlock+0xa7/0x2f0
[  179.846558] 4*1024kB 
[  179.848615]  ? trace_hardirqs_on+0x310/0x310
[  179.852995] (UME) 
[  179.855406]  ? __run_timers+0x7da/0xc70
[  179.859788] 2*2048kB 
[  179.861926]  ? lock_downgrade+0x900/0x900
[  179.865870] (ME) 
[  179.868277]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  179.872393] 3*4096kB 
[  179.874447]  ? trace_hardirqs_on+0xbd/0x310
[  179.879517] (M) = 24956kB
[  179.879530] Node 0 
[  179.881930]  ? kasan_check_read+0x11/0x20
[  179.886226] Normal: 
[  179.888973]  ? __run_timers+0x7da/0xc70
[  179.891181] 1016*4kB 
[  179.895320]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  179.897617] (UME) 
[  179.901591]  ? kasan_check_write+0x14/0x20
[  179.903979] 447*8kB 
[  179.909418]  ? do_raw_spin_lock+0xc1/0x200
[  179.911537] (ME) 
[  179.915760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  179.918056] 188*16kB 
[  179.922280]  __run_timers+0x7e5/0xc70
[  179.924313] (UME) 
[  179.928543]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  179.930925] 54*32kB 
[  179.934717]  ? lock_acquire+0x1ed/0x520
[  179.936838] (UME) 
[  179.942188]  ? __hrtimer_run_queues+0x488/0x10d0
[  179.944509] 20*64kB 
[  179.948478]  ? lock_release+0x970/0x970
[  179.950602] (UM) 
[  179.955366]  ? trace_hardirqs_off+0xb8/0x310
[  179.957676] 0*128kB 
[  179.961654]  ? do_raw_spin_unlock+0xa7/0x2f0
[  179.963689] 0*256kB 
[  179.968084]  ? kasan_check_write+0x14/0x20
[  179.970385] 0*512kB 
[  179.974782]  ? pvclock_read_flags+0x160/0x160
[  179.977077] 0*1024kB 
[  179.981305]  ? lock_downgrade+0x900/0x900
[  179.983601] 0*2048kB 
[  179.988086]  ? trace_hardirqs_on+0xbd/0x310
[  179.990471] 0*4096kB 
[  179.994609]  ? kvm_sched_clock_read+0x9/0x20
[  179.996988] = 13656kB
[  180.001305]  ? irq_exit+0x17f/0x1c0
[  180.003696] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  180.008096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.010482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  180.014102]  ? check_preemption_disabled+0x48/0x200
[  180.022926] 4246 total pagecache pages
[  180.028460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.037014] 0 pages in swap cache
[  180.042036]  run_timer_softirq+0x52/0xb0
[  180.045902] Swap cache stats: add 0, delete 0, find 0/0
[  180.051427]  ? __this_cpu_preempt_check+0x1c/0x1f
[  180.054856] Free swap  = 0kB
[  180.058908]  __do_softirq+0x30b/0xad8
[  180.064245] Total swap = 0kB
[  180.069075]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  180.072064] 1965979 pages RAM
[  180.075862]  ? pvclock_read_flags+0x160/0x160
[  180.078852] 0 pages HighMem/MovableOnly
[  180.083944]  ? lapic_next_event+0x5a/0x90
[  180.087034] 342307 pages reserved
[  180.091527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.095471] 0 pages cma reserved
[  180.099608]  ? clockevents_program_event+0x140/0x370
[  180.103587] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  180.109071]  ? kvm_clock_read+0x18/0x30
[  180.112457] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  180.117505]  ? kvm_sched_clock_read+0x9/0x20
[  180.123972] ksoftirqd/0 cpuset=
[  180.127938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.138222] /
[  180.142623]  ? check_preemption_disabled+0x48/0x200
[  180.145878]  mems_allowed=0
[  180.151404]  irq_exit+0x17f/0x1c0
[  180.164456]  smp_apic_timer_interrupt+0x1cb/0x760
[  180.169294]  ? smp_reschedule_interrupt+0x109/0x650
[  180.174310]  ? smp_call_function_single_interrupt+0x650/0x650
[  180.180193]  ? interrupt_entry+0xb5/0xf0
[  180.184272]  ? trace_hardirqs_off_caller+0xbb/0x310
[  180.189288]  ? trace_hardirqs_off_caller+0xbb/0x310
[  180.194305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  180.199145]  ? trace_hardirqs_on_caller+0x310/0x310
[  180.204158]  ? trace_hardirqs_on_caller+0x310/0x310
[  180.209172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.214709]  ? check_preemption_disabled+0x48/0x200
[  180.219725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  180.224575]  apic_timer_interrupt+0xf/0x20
[  180.228801]  </IRQ>
[  180.231045] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  180.236453] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  180.255351] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  180.263060] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  180.270323] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  180.277585] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  180.284847] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  180.292113] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  180.299393]  ? trace_hardirqs_on+0xb4/0x310
[  180.303725]  skb_clone+0x1bb/0x500
[  180.307262]  ? skb_split+0x11e0/0x11e0
[  180.311149]  ? preempt_notifier_register+0x200/0x200
[  180.316249]  ? __switch_to_asm+0x34/0x70
[  180.320305]  ? __switch_to_asm+0x34/0x70
[  180.324365]  ? __switch_to_asm+0x40/0x70
[  180.328426]  ? __switch_to_asm+0x34/0x70
[  180.332485]  ? __switch_to_asm+0x40/0x70
[  180.336548]  ? __switch_to_asm+0x40/0x70
[  180.340602]  ? __switch_to_asm+0x34/0x70
[  180.344661]  ? __switch_to_asm+0x34/0x70
[  180.348717]  ? __switch_to_asm+0x40/0x70
[  180.352775]  ? __switch_to_asm+0x34/0x70
[  180.356833]  bpf_clone_redirect+0xb9/0x490
[  180.361072]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  180.366086]  ? __sched_text_start+0x8/0x8
[  180.370238]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  180.374990]  ? retint_kernel+0x2d/0x2d
[  180.378881]  ? trace_hardirqs_on_caller+0xc0/0x310
[  180.383812]  ? rcu_gp_kthread+0x2310/0x2310
[  180.388129]  ? trace_hardirqs_off+0x310/0x310
[  180.392629]  ? lock_acquire+0x1ed/0x520
[  180.396599]  ? bpf_test_run+0x3cb/0x780
[  180.400572]  ? lock_downgrade+0x900/0x900
[  180.404718]  ? lock_release+0x970/0x970
[  180.408690]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  180.414487]  ? preempt_schedule_common+0x1f/0xd0
[  180.419244]  ? preempt_schedule+0x4d/0x60
[  180.423391]  ? ___preempt_schedule+0x16/0x18
[  180.427801]  ? bpf_test_run+0x25d/0x780
[  180.431777]  ? netlink_diag_dump+0x2a0/0x2a0
[  180.436187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  180.441725]  ? bpf_test_init.isra.9+0x70/0x100
[  180.446310]  ? bpf_prog_test_run_skb+0x634/0xb40
[  180.451067]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  180.455904]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  180.461442]  ? fput+0x130/0x1a0
[  180.464718]  ? __bpf_prog_get+0x9b/0x290
[  180.468782]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  180.473621]  ? bpf_prog_test_run+0x130/0x1a0
[  180.478032]  ? __x64_sys_bpf+0x3d8/0x510
[  180.482091]  ? bpf_prog_get+0x20/0x20
[  180.485905]  ? do_syscall_64+0x1b9/0x820
[  180.489962]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  180.495322]  ? syscall_return_slowpath+0x5e0/0x5e0
[  180.500247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  180.505089]  ? trace_hardirqs_on_caller+0x310/0x310
[  180.510118]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  180.515131]  ? prepare_exit_to_usermode+0x291/0x3b0
[  180.520151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  180.524999]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  180.530382] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  180.530436] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  180.537219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  180.537223] Call Trace:
[  180.537242]  dump_stack+0x1c4/0x2b4
[  180.537258]  ? dump_stack_print_info.cold.2+0x52/0x52
[  180.543795] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  180.553083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.555639] syz-executor4 cpuset=
[  180.559262]  warn_alloc.cold.119+0xb7/0x1bd
[  180.564422] syz4
[  180.574899]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  180.580409]  mems_allowed=0
[  180.583850]  ? lock_downgrade+0x900/0x900
[  180.602028]  ? trace_hardirqs_off+0xb8/0x310
[  180.606439]  ? trace_hardirqs_off+0xb8/0x310
[  180.610850]  __alloc_pages_slowpath+0x2667/0x2d80
[  180.615718]  ? mark_held_locks+0x130/0x130
[  180.619953]  ? warn_alloc+0x120/0x120
[  180.623770]  ? warn_alloc+0x120/0x120
[  180.627571]  ? cpuacct_charge+0x265/0x440
[  180.631715]  ? warn_alloc+0x120/0x120
[  180.635513]  ? mark_held_locks+0x130/0x130
[  180.639753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.645286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  180.650838]  ? should_fail+0x22d/0xd01
[  180.654728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  180.659836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  180.665373]  ? should_fail+0x22d/0xd01
[  180.669261]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  180.674361]  ? should_fail+0x22d/0xd01
[  180.678254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  180.683361]  ? mark_held_locks+0x130/0x130
[  180.687599]  ? mark_held_locks+0x130/0x130
[  180.691836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.697371]  ? trace_hardirqs_off+0xb8/0x310
[  180.701777]  ? kasan_check_read+0x11/0x20
[  180.705920]  ? do_raw_spin_unlock+0xa7/0x2f0
[  180.710324]  ? trace_hardirqs_on+0x310/0x310
[  180.714728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.720261]  ? wq_watchdog_touch+0x9c/0xfe
[  180.724493]  ? io_serial_in+0x11/0x90
[  180.728288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.733828]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  180.738938]  __alloc_pages_nodemask+0xa80/0xde0
[  180.743602]  ? should_fail+0x22d/0xd01
[  180.747488]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  180.752519]  ? ____cache_alloc_node+0x1c7/0x1e0
[  180.757189]  ? lock_downgrade+0x900/0x900
[  180.761337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.766877]  cache_grow_begin+0x91/0x8c0
[  180.770936]  ? do_raw_spin_unlock+0xa7/0x2f0
[  180.775345]  fallback_alloc+0x203/0x2e0
[  180.779324]  ____cache_alloc_node+0x1c7/0x1e0
[  180.783819]  kmem_cache_alloc_node+0xe3/0x730
[  180.788309]  ? ipv6_get_ifaddr+0x42e/0x620
[  180.792544]  __alloc_skb+0x119/0x770
[  180.796259]  ? skb_scrub_packet+0x490/0x490
[  180.800574]  ? lock_downgrade+0x900/0x900
[  180.804726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  180.810264]  ? refcount_sub_and_test_checked+0x203/0x310
[  180.815712]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  180.821160]  ? addrconf_rs_timer+0x690/0x690
[  180.825573]  ndisc_alloc_skb+0x144/0x340
[  180.829633]  ndisc_send_rs+0x331/0x6e0
[  180.833520]  addrconf_rs_timer+0x314/0x690
[  180.837751]  ? lock_release+0x970/0x970
[  180.841727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  180.845970]  call_timer_fn+0x272/0x920
[  180.849851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  180.854088]  ? process_timeout+0x40/0x40
[  180.858144]  ? kasan_check_read+0x11/0x20
[  180.862287]  ? do_raw_spin_unlock+0xa7/0x2f0
[  180.866696]  ? trace_hardirqs_on+0x310/0x310
[  180.871102]  ? __run_timers+0x7da/0xc70
[  180.875074]  ? lock_downgrade+0x900/0x900
[  180.879219]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  180.884322]  ? trace_hardirqs_on+0xbd/0x310
[  180.888638]  ? kasan_check_read+0x11/0x20
[  180.892784]  ? __run_timers+0x7da/0xc70
[  180.896757]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  180.902207]  ? kasan_check_write+0x14/0x20
[  180.906440]  ? do_raw_spin_lock+0xc1/0x200
[  180.910672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  180.914904]  __run_timers+0x7e5/0xc70
[  180.918709]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  180.924072]  ? lock_downgrade+0x900/0x900
[  180.928222]  ? finish_task_switch+0x1b5/0x900
[  180.932725]  ? trace_hardirqs_on+0xbd/0x310
[  180.937049]  ? kasan_check_read+0x11/0x20
[  180.941193]  ? finish_task_switch+0x1f5/0x900
[  180.945686]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  180.951131]  ? compat_start_thread+0x80/0x80
[  180.955556]  ? pvclock_read_flags+0x160/0x160
[  180.960051]  ? __switch_to_asm+0x34/0x70
[  180.964109]  ? __switch_to_asm+0x34/0x70
[  180.968170]  ? __switch_to_asm+0x40/0x70
[  180.972231]  ? __switch_to_asm+0x40/0x70
[  180.976292]  ? __switch_to_asm+0x34/0x70
[  180.980348]  ? __switch_to_asm+0x40/0x70
[  180.984412]  ? trace_hardirqs_on+0xbd/0x310
[  180.988729]  ? kvm_sched_clock_read+0x9/0x20
[  180.993134]  ? run_ksoftirqd+0x94/0x100
[  180.997108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  181.002660]  ? check_preemption_disabled+0x48/0x200
[  181.007672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  181.013214]  run_timer_softirq+0x52/0xb0
[  181.017271]  ? __this_cpu_preempt_check+0x1c/0x1f
[  181.022107]  __do_softirq+0x30b/0xad8
[  181.025909]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  181.031036]  ? trace_hardirqs_off+0x310/0x310
[  181.035527]  ? retint_kernel+0x1b/0x2d
[  181.039414]  ? schedule+0x108/0x460
[  181.043053]  ? trace_hardirqs_off+0xb8/0x310
[  181.047462]  ? smpboot_thread_fn+0x68b/0xa00
[  181.051867]  ? trace_hardirqs_on+0x310/0x310
[  181.056276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  181.061808]  ? check_preemption_disabled+0x48/0x200
[  181.066825]  ? takeover_tasklets+0xa90/0xa90
[  181.071230]  run_ksoftirqd+0x94/0x100
[  181.075041]  smpboot_thread_fn+0x68b/0xa00
[  181.079276]  ? sort_range+0x30/0x30
[  181.082904]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  181.088004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  181.093551]  ? __kthread_parkme+0xfb/0x1a0
[  181.097788]  kthread+0x35a/0x420
[  181.101151]  ? sort_range+0x30/0x30
[  181.105273]  ? kthread_bind+0x40/0x40
[  181.109076]  ret_from_fork+0x3a/0x50
[  181.112792] warn_alloc_show_mem: 1 callbacks suppressed
[  181.112805] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  181.112806] Mem-Info:
[  181.112838] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  181.112838]  active_file:17 inactive_file:15 isolated_file:0
[  181.112838]  unevictable:0 dirty:0 writeback:0 unstable:0
[  181.112838]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  181.112838]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  181.112838]  free:13630 free_pcp:175 free_cma:0
[  181.118172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  181.125443] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  181.127837] Call Trace:
[  181.160870] Node 0 
[  181.170207]  <IRQ>
[  181.197968] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  181.200522]  dump_stack+0x1c4/0x2b4
[  181.202725] lowmem_reserve[]:
[  181.204871]  ? dump_stack_print_info.cold.2+0x52/0x52
[  181.230345]  0
[  181.233964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  181.237067]  2819
[  181.242248]  warn_alloc.cold.119+0xb7/0x1bd
[  181.244025]  6323
[  181.249554]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  181.251605]  6323
[  181.255914]  ? lock_downgrade+0x900/0x900
[  181.262778]  ? trace_hardirqs_off+0xb8/0x310
[  181.264811] Node 0 
[  181.268944]  ? trace_hardirqs_off+0xb8/0x310
[  181.273348] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  181.275557]  __alloc_pages_slowpath+0x2667/0x2d80
[  181.279932] lowmem_reserve[]: 0
[  181.306920]  ? warn_alloc+0x120/0x120
[  181.311723]  0
[  181.314991]  ? trace_hardirqs_on+0x310/0x310
[  181.318762]  3503
[  181.320555]  ? warn_alloc+0x120/0x120
[  181.324937]  3503
[  181.326989]  ? warn_alloc+0x120/0x120
[  181.332824]  ? ktime_get+0x2e1/0x440
[  181.336628] Node 0 
[  181.340326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  181.340357] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  181.340364] lowmem_reserve[]:
[  181.342607]  ? check_preemption_disabled+0x48/0x200
[  181.348114]  0
[  181.376557]  ? kasan_check_read+0x11/0x20
[  181.379633]  0
[  181.384639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  181.386417]  0
[  181.390557]  ? should_fail+0x22d/0xd01
[  181.392333]  0
[  181.397863]  ? rcu_bh_qs+0xc0/0xc0
[  181.403515]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  181.405288] Node 0 
[  181.408816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  181.413891] DMA: 
[  181.416122]  ? should_fail+0x22d/0xd01
[  181.421632] 1*4kB 
[  181.423683]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  181.427542] (U) 
[  181.429681]  ? should_fail+0x22d/0xd01
[  181.434755] 0*8kB 
[  181.436752]  ? rcu_idle_enter+0x4b0/0x4b0
[  181.440628] 0*16kB 
[  181.442771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  181.446889] 1*32kB 
[  181.449132]  ? mark_held_locks+0x130/0x130
[  181.454208] (U) 
[  181.456439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  181.460643] 2*64kB 
[  181.462607]  ? mark_held_locks+0x130/0x130
[  181.468117] (U) 
[  181.470343]  ? rcu_irq_exit+0xce/0x100
[  181.474566] 1*128kB 
[  181.476539]  ? irq_exit+0xbd/0x1c0
[  181.480390] (U) 
[  181.482704]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  181.486218] 1*256kB 
[  181.488185]  ? do_raw_spin_unlock+0xa7/0x2f0
[  181.493174] (U) 
[  181.495492]  ? smp_call_function_single_interrupt+0x650/0x650
[  181.499874] 0*512kB 
[  181.501840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  181.507696] 1*1024kB 
[  181.510016]  ? ret_from_intr+0xb/0x1e
[  181.515523] (U) 1*2048kB 
[  181.517929]  ? retint_kernel+0x2d/0x2d
[  181.521726] (M) 
[  181.524477]  ? trace_hardirqs_on_caller+0xc0/0x310
[  181.528337] 3*4096kB 
[  181.530303]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  181.535203] (M) 
[  181.537608]  ? trace_hardirqs_off+0x310/0x310
[  181.542337] = 15908kB
[  181.544302]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  181.548770] Node 0 
[  181.551178]  __alloc_pages_nodemask+0xa80/0xde0
[  181.556249] DMA32: 
[  181.558475]  ? should_fail+0x22d/0xd01
[  181.563118] 3*4kB 
[  181.565346]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  181.569208] (ME) 
[  181.571361]  ? ____cache_alloc_node+0x1c7/0x1e0
[  181.576342] 2*8kB 
[  181.578395]  ? lock_downgrade+0x900/0x900
[  181.583040] (ME) 
[  181.585180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  181.589302] 4*16kB 
[  181.591361]  cache_grow_begin+0x91/0x8c0
[  181.596871] (UME) 
[  181.599109]  ? do_raw_spin_unlock+0xa7/0x2f0
[  181.603143] 3*32kB 
[  181.605292]  fallback_alloc+0x203/0x2e0
[  181.609679] (ME) 
[  181.611923]  ____cache_alloc_node+0x1c7/0x1e0
[  181.615872] 5*64kB 
[  181.617925]  kmem_cache_alloc_node+0xe3/0x730
[  181.622408] (ME) 
[  181.624638]  ? ipv6_get_ifaddr+0x42e/0x620
[  181.629104] 5*128kB 
[  181.631162]  __alloc_skb+0x119/0x770
[  181.635367] (UME) 
[  181.637682]  ? skb_scrub_packet+0x490/0x490
[  181.641367] 5*256kB 
[  181.643504]  ? lock_downgrade+0x900/0x900
[  181.647794] (UME) 
[  181.650123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  181.654246] 4*512kB 
[  181.656390]  ? refcount_sub_and_test_checked+0x203/0x310
[  181.661898] (ME) 
[  181.664213]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  181.669636] 4*1024kB 
[  181.671686]  ? addrconf_rs_timer+0x690/0x690
[  181.677109] (UME) 
[  181.679515]  ndisc_alloc_skb+0x144/0x340
[  181.683897] 2*2048kB 
[  181.686042]  ndisc_send_rs+0x331/0x6e0
[  181.690073] (ME) 
[  181.692476]  addrconf_rs_timer+0x314/0x690
[  181.696352] 3*4096kB 
[  181.698406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  181.702610] (M) 
[  181.705022]  call_timer_fn+0x272/0x920
[  181.709228] = 24956kB
[  181.711192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  181.715056] Node 0 
[  181.717455]  ? process_timeout+0x40/0x40
[  181.721663] Normal: 
[  181.723892]  ? trace_hardirqs_off+0xb8/0x310
[  181.727927] 1016*4kB 
[  181.730241]  ? kasan_check_read+0x11/0x20
[  181.734625] (UME) 
[  181.737038]  ? do_raw_spin_unlock+0xa7/0x2f0
[  181.741155] 447*8kB 
[  181.743297]  ? trace_hardirqs_on+0x310/0x310
[  181.747677] (ME) 
[  181.749993]  ? __run_timers+0x7da/0xc70
[  181.754379] 188*16kB 
[  181.756431]  ? lock_downgrade+0x900/0x900
[  181.760377] (UME) 
[  181.762779]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  181.766900] 54*32kB 
[  181.769046]  ? trace_hardirqs_on+0xbd/0x310
[  181.774120] (UME) 
[  181.776445]  ? kasan_check_read+0x11/0x20
[  181.780741] 20*64kB 
[  181.782883]  ? __run_timers+0x7da/0xc70
[  181.787023] (UM) 
[  181.789338]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  181.793287] 0*128kB 
[  181.795338]  ? kasan_check_write+0x14/0x20
[  181.800759] 0*256kB 
[  181.803072]  ? do_raw_spin_lock+0xc1/0x200
[  181.807280] 0*512kB 
[  181.809608]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  181.813817] 0*1024kB 
[  181.816131]  __run_timers+0x7e5/0xc70
[  181.820341] 0*2048kB 
[  181.822747]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  181.826518] 0*4096kB 
[  181.828921]  ? lock_acquire+0x1ed/0x520
[  181.834254] = 13656kB
[  181.836655]  ? __hrtimer_run_queues+0x488/0x10d0
[  181.840606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  181.843003]  ? lock_release+0x970/0x970
[  181.847746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  181.856593]  ? trace_hardirqs_off+0xb8/0x310
[  181.860561] 4246 total pagecache pages
[  181.869137]  ? do_raw_spin_unlock+0xa7/0x2f0
[  181.873514] 0 pages in swap cache
[  181.877406]  ? kasan_check_write+0x14/0x20
[  181.881788] Swap cache stats: add 0, delete 0, find 0/0
[  181.885230]  ? pvclock_read_flags+0x160/0x160
[  181.889435] Free swap  = 0kB
[  181.894786]  ? lock_downgrade+0x900/0x900
[  181.899257] Total swap = 0kB
[  181.902296]  ? trace_hardirqs_on+0xbd/0x310
[  181.906417] 1965979 pages RAM
[  181.909429]  ? kvm_sched_clock_read+0x9/0x20
[  181.913722] 0 pages HighMem/MovableOnly
[  181.916818]  ? irq_exit+0x17f/0x1c0
[  181.921197] 342307 pages reserved
[  181.925178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  181.928792] 0 pages cma reserved
[  181.932236]  ? check_preemption_disabled+0x48/0x200
[  181.937828] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  181.941116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  181.946168] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  181.952588]  run_timer_softirq+0x52/0xb0
[  181.958096] ksoftirqd/0 cpuset=
[  181.968398]  ? __this_cpu_preempt_check+0x1c/0x1f
[  181.972433] /
[  181.975718]  __do_softirq+0x30b/0xad8
[  181.980550]  mems_allowed=0
[  181.982255]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  181.994077]  ? pvclock_read_flags+0x160/0x160
[  181.998572]  ? lapic_next_event+0x5a/0x90
[  182.002730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.008265]  ? clockevents_program_event+0x140/0x370
[  182.013377]  ? kvm_clock_read+0x18/0x30
[  182.017350]  ? kvm_sched_clock_read+0x9/0x20
[  182.021760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.027294]  ? check_preemption_disabled+0x48/0x200
[  182.032313]  irq_exit+0x17f/0x1c0
[  182.035767]  smp_apic_timer_interrupt+0x1cb/0x760
[  182.040603]  ? smp_reschedule_interrupt+0x109/0x650
[  182.045613]  ? smp_call_function_single_interrupt+0x650/0x650
[  182.051492]  ? interrupt_entry+0xb5/0xf0
[  182.055579]  ? trace_hardirqs_off_caller+0xbb/0x310
[  182.060635]  ? trace_hardirqs_off_caller+0xbb/0x310
[  182.065650]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  182.070489]  ? trace_hardirqs_on_caller+0x310/0x310
[  182.075506]  ? trace_hardirqs_on_caller+0x310/0x310
[  182.080550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.086085]  ? check_preemption_disabled+0x48/0x200
[  182.091107]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  182.095966]  apic_timer_interrupt+0xf/0x20
[  182.100192]  </IRQ>
[  182.102621] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  182.107549] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  182.126447] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  182.134152] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  182.141417] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  182.148682] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  182.155947] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  182.163207] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  182.170484]  ? trace_hardirqs_on+0xb4/0x310
[  182.174813]  skb_clone+0x1bb/0x500
[  182.178350]  ? skb_split+0x11e0/0x11e0
[  182.182239]  ? preempt_notifier_register+0x200/0x200
[  182.187339]  ? __switch_to_asm+0x34/0x70
[  182.191397]  ? __switch_to_asm+0x34/0x70
[  182.195452]  ? __switch_to_asm+0x40/0x70
[  182.199506]  ? __switch_to_asm+0x34/0x70
[  182.203568]  ? __switch_to_asm+0x40/0x70
[  182.207642]  ? __switch_to_asm+0x40/0x70
[  182.211727]  ? __switch_to_asm+0x34/0x70
[  182.215785]  ? __switch_to_asm+0x34/0x70
[  182.219842]  ? __switch_to_asm+0x40/0x70
[  182.223901]  ? __switch_to_asm+0x34/0x70
[  182.227963]  bpf_clone_redirect+0xb9/0x490
[  182.232198]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  182.237668]  ? __sched_text_start+0x8/0x8
[  182.241818]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  182.246574]  ? retint_kernel+0x2d/0x2d
[  182.250459]  ? trace_hardirqs_on_caller+0xc0/0x310
[  182.255398]  ? rcu_gp_kthread+0x2310/0x2310
[  182.259715]  ? trace_hardirqs_off+0x310/0x310
[  182.264216]  ? lock_acquire+0x1ed/0x520
[  182.268186]  ? bpf_test_run+0x3cb/0x780
[  182.272158]  ? lock_downgrade+0x900/0x900
[  182.276302]  ? lock_release+0x970/0x970
[  182.280276]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  182.286087]  ? preempt_schedule_common+0x1f/0xd0
[  182.290838]  ? preempt_schedule+0x4d/0x60
[  182.294982]  ? ___preempt_schedule+0x16/0x18
[  182.299396]  ? bpf_test_run+0x25d/0x780
[  182.303373]  ? netlink_diag_dump+0x2a0/0x2a0
[  182.307822]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  182.313357]  ? bpf_test_init.isra.9+0x70/0x100
[  182.317938]  ? bpf_prog_test_run_skb+0x634/0xb40
[  182.322691]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  182.327535]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  182.333070]  ? fput+0x130/0x1a0
[  182.336347]  ? __bpf_prog_get+0x9b/0x290
[  182.340421]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  182.345257]  ? bpf_prog_test_run+0x130/0x1a0
[  182.349663]  ? __x64_sys_bpf+0x3d8/0x510
[  182.353720]  ? bpf_prog_get+0x20/0x20
[  182.357536]  ? do_syscall_64+0x1b9/0x820
[  182.361594]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  182.366954]  ? syscall_return_slowpath+0x5e0/0x5e0
[  182.371882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  182.376736]  ? trace_hardirqs_on_caller+0x310/0x310
[  182.381750]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  182.386763]  ? prepare_exit_to_usermode+0x291/0x3b0
[  182.391795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  182.396638]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  182.402031] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  182.402125] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  182.408900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  182.408904] Call Trace:
[  182.408922]  dump_stack+0x1c4/0x2b4
[  182.408938]  ? dump_stack_print_info.cold.2+0x52/0x52
[  182.415471] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  182.424765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.427321] syz-executor4 cpuset=
[  182.430952]  warn_alloc.cold.119+0xb7/0x1bd
[  182.436121] syz4
[  182.446596]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  182.452124]  mems_allowed=0
[  182.455562]  ? lock_downgrade+0x900/0x900
[  182.473689]  ? trace_hardirqs_off+0xb8/0x310
[  182.478096]  ? trace_hardirqs_off+0xb8/0x310
[  182.482534]  __alloc_pages_slowpath+0x2667/0x2d80
[  182.487382]  ? mark_held_locks+0x130/0x130
[  182.491620]  ? warn_alloc+0x120/0x120
[  182.495420]  ? warn_alloc+0x120/0x120
[  182.499259]  ? cpuacct_charge+0x265/0x440
[  182.503399]  ? warn_alloc+0x120/0x120
[  182.507213]  ? mark_held_locks+0x130/0x130
[  182.511447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.516980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  182.522522]  ? should_fail+0x22d/0xd01
[  182.526410]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  182.531506]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  182.537048]  ? should_fail+0x22d/0xd01
[  182.540935]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  182.546046]  ? should_fail+0x22d/0xd01
[  182.549932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  182.555042]  ? mark_held_locks+0x130/0x130
[  182.559283]  ? mark_held_locks+0x130/0x130
[  182.563513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.569069]  ? trace_hardirqs_off+0xb8/0x310
[  182.573472]  ? kasan_check_read+0x11/0x20
[  182.577617]  ? do_raw_spin_unlock+0xa7/0x2f0
[  182.582050]  ? trace_hardirqs_on+0x310/0x310
[  182.586458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.591992]  ? wq_watchdog_touch+0x9c/0xfe
[  182.596236]  ? io_serial_in+0x11/0x90
[  182.600044]  ? retint_kernel+0x2d/0x2d
[  182.603927]  ? trace_hardirqs_on_caller+0xc0/0x310
[  182.608853]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  182.613604]  ? trace_hardirqs_off+0x310/0x310
[  182.618094]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  182.623200]  __alloc_pages_nodemask+0xa80/0xde0
[  182.627866]  ? should_fail+0x22d/0xd01
[  182.631753]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  182.636781]  ? ____cache_alloc_node+0x1c7/0x1e0
[  182.641464]  ? lock_downgrade+0x900/0x900
[  182.645613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.651262]  cache_grow_begin+0x91/0x8c0
[  182.655325]  ? do_raw_spin_unlock+0xa7/0x2f0
[  182.659736]  fallback_alloc+0x203/0x2e0
[  182.663713]  ____cache_alloc_node+0x1c7/0x1e0
[  182.668214]  kmem_cache_alloc_node+0xe3/0x730
[  182.672708]  ? ipv6_get_ifaddr+0x42e/0x620
[  182.676947]  __alloc_skb+0x119/0x770
[  182.680660]  ? skb_scrub_packet+0x490/0x490
[  182.685005]  ? lock_downgrade+0x900/0x900
[  182.689169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.694702]  ? refcount_sub_and_test_checked+0x203/0x310
[  182.700150]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  182.705599]  ? addrconf_rs_timer+0x690/0x690
[  182.710044]  ndisc_alloc_skb+0x144/0x340
[  182.714106]  ndisc_send_rs+0x331/0x6e0
[  182.717989]  addrconf_rs_timer+0x314/0x690
[  182.722229]  ? lock_release+0x970/0x970
[  182.726201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  182.730442]  call_timer_fn+0x272/0x920
[  182.734324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  182.738558]  ? process_timeout+0x40/0x40
[  182.742611]  ? kasan_check_read+0x11/0x20
[  182.746757]  ? do_raw_spin_unlock+0xa7/0x2f0
[  182.751160]  ? trace_hardirqs_on+0x310/0x310
[  182.755566]  ? __run_timers+0x7da/0xc70
[  182.759534]  ? lock_downgrade+0x900/0x900
[  182.763682]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  182.768780]  ? trace_hardirqs_on+0xbd/0x310
[  182.773096]  ? kasan_check_read+0x11/0x20
[  182.777239]  ? __run_timers+0x7da/0xc70
[  182.781211]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  182.786658]  ? kasan_check_write+0x14/0x20
[  182.790922]  ? do_raw_spin_lock+0xc1/0x200
[  182.795152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  182.799381]  __run_timers+0x7e5/0xc70
[  182.803184]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  182.808544]  ? lock_downgrade+0x900/0x900
[  182.812690]  ? finish_task_switch+0x1b5/0x900
[  182.817199]  ? trace_hardirqs_on+0xbd/0x310
[  182.821513]  ? kasan_check_read+0x11/0x20
[  182.825656]  ? finish_task_switch+0x1f5/0x900
[  182.830164]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  182.835611]  ? compat_start_thread+0x80/0x80
[  182.840043]  ? pvclock_read_flags+0x160/0x160
[  182.844536]  ? __switch_to_asm+0x34/0x70
[  182.848594]  ? __switch_to_asm+0x34/0x70
[  182.852651]  ? __switch_to_asm+0x40/0x70
[  182.856723]  ? __switch_to_asm+0x40/0x70
[  182.860781]  ? __switch_to_asm+0x34/0x70
[  182.864840]  ? __switch_to_asm+0x40/0x70
[  182.868913]  ? trace_hardirqs_on+0xbd/0x310
[  182.873230]  ? kvm_sched_clock_read+0x9/0x20
[  182.877634]  ? run_ksoftirqd+0x94/0x100
[  182.881621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.887150]  ? check_preemption_disabled+0x48/0x200
[  182.892160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  182.897699]  run_timer_softirq+0x52/0xb0
[  182.901758]  ? __this_cpu_preempt_check+0x1c/0x1f
[  182.906598]  __do_softirq+0x30b/0xad8
[  182.910401]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  182.915497]  ? trace_hardirqs_off+0x310/0x310
[  182.920000]  ? retint_kernel+0x1b/0x2d
[  182.923913]  ? schedule+0x108/0x460
[  182.927541]  ? trace_hardirqs_off+0xb8/0x310
[  182.931950]  ? smpboot_thread_fn+0x68b/0xa00
[  182.936355]  ? trace_hardirqs_on+0x310/0x310
[  182.940763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  182.946298]  ? check_preemption_disabled+0x48/0x200
[  182.951310]  ? takeover_tasklets+0xa90/0xa90
[  182.955715]  run_ksoftirqd+0x94/0x100
[  182.959512]  smpboot_thread_fn+0x68b/0xa00
[  182.963743]  ? sort_range+0x30/0x30
[  182.967368]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  182.972485]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  182.978058]  ? __kthread_parkme+0xfb/0x1a0
[  182.982290]  kthread+0x35a/0x420
[  182.985654]  ? sort_range+0x30/0x30
[  182.989278]  ? kthread_bind+0x40/0x40
[  182.993076]  ret_from_fork+0x3a/0x50
[  182.996795] warn_alloc_show_mem: 1 callbacks suppressed
[  182.996806] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  182.996808] Mem-Info:
[  182.996839] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  182.996839]  active_file:17 inactive_file:15 isolated_file:0
[  182.996839]  unevictable:0 dirty:0 writeback:0 unstable:0
[  182.996839]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  182.996839]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  182.996839]  free:13630 free_pcp:175 free_cma:0
[  183.002173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  183.009453] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  183.011848] Call Trace:
[  183.044882] Node 0 
[  183.054219]  <IRQ>
[  183.081978] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  183.084535]  dump_stack+0x1c4/0x2b4
[  183.086740] lowmem_reserve[]:
[  183.088883]  ? dump_stack_print_info.cold.2+0x52/0x52
[  183.114358]  0
[  183.117976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.121052]  2819
[  183.126237]  warn_alloc.cold.119+0xb7/0x1bd
[  183.128025]  6323
[  183.133553]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  183.135589]  6323
[  183.139901]  ? lock_downgrade+0x900/0x900
[  183.146763]  ? trace_hardirqs_off+0xb8/0x310
[  183.148803] Node 0 
[  183.152938]  ? trace_hardirqs_off+0xb8/0x310
[  183.157342] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  183.159552]  __alloc_pages_slowpath+0x2667/0x2d80
[  183.163937] lowmem_reserve[]:
[  183.191245]  ? warn_alloc+0x120/0x120
[  183.196070]  0
[  183.199167]  ? trace_hardirqs_on+0x310/0x310
[  183.202944]  0
[  183.204739]  ? warn_alloc+0x120/0x120
[  183.209125]  3503
[  183.210925]  ? warn_alloc+0x120/0x120
[  183.214708]  3503
[  183.216760]  ? ktime_get+0x2e1/0x440
[  183.222600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.226294] Node 0 
[  183.231818]  ? check_preemption_disabled+0x48/0x200
[  183.231860] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  183.234055]  ? kasan_check_read+0x11/0x20
[  183.239046] lowmem_reserve[]:
[  183.267508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  183.271650]  0 0 0 0
[  183.271664] 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
[  183.271722] Node 0 DMA32: 3*4kB (ME) 2*8kB (ME) 4*16kB (UME) 3*32kB (ME) 5*64kB (ME) 5*128kB (UME) 5*256kB (UME) 4*512kB (ME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 24956kB
[  183.271773] Node 0 Normal: 1016*4kB (UME) 447*8kB (ME) 188*16kB (UME) 54*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13656kB
[  183.271830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  183.271835] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  183.271838] 4246 total pagecache pages
[  183.271844] 0 pages in swap cache
[  183.271849] Swap cache stats: add 0, delete 0, find 0/0
[  183.271851] Free swap  = 0kB
[  183.271853] Total swap = 0kB
[  183.271857] 1965979 pages RAM
[  183.271862] 0 pages HighMem/MovableOnly
[  183.271864] 342307 pages reserved
[  183.271866] 0 pages cma reserved
[  183.271916] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  183.271961] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  183.271964] ksoftirqd/0 cpuset=/ mems_allowed=0
[  183.398321]  ? should_fail+0x22d/0xd01
[  183.402209]  ? rcu_bh_qs+0xc0/0xc0
[  183.405752]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  183.410851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  183.416385]  ? should_fail+0x22d/0xd01
[  183.420272]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  183.425377]  ? should_fail+0x22d/0xd01
[  183.429264]  ? rcu_idle_enter+0x4b0/0x4b0
[  183.433415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  183.438542]  ? mark_held_locks+0x130/0x130
[  183.442779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.448312]  ? mark_held_locks+0x130/0x130
[  183.452553]  ? rcu_irq_exit+0xce/0x100
[  183.456438]  ? irq_exit+0xbd/0x1c0
[  183.459980]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  183.464998]  ? do_raw_spin_unlock+0xa7/0x2f0
[  183.469411]  ? smp_call_function_single_interrupt+0x650/0x650
[  183.475481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.481027]  ? ret_from_intr+0xb/0x1e
[  183.484836]  ? retint_kernel+0x2d/0x2d
[  183.488722]  ? trace_hardirqs_on_caller+0xc0/0x310
[  183.493653]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  183.498412]  ? trace_hardirqs_off+0x310/0x310
[  183.502911]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  183.508412]  __alloc_pages_nodemask+0xa80/0xde0
[  183.513084]  ? should_fail+0x22d/0xd01
[  183.516982]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  183.522028]  ? ____cache_alloc_node+0x1c7/0x1e0
[  183.526695]  ? lock_downgrade+0x900/0x900
[  183.530847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.536383]  cache_grow_begin+0x91/0x8c0
[  183.540448]  ? do_raw_spin_unlock+0xa7/0x2f0
[  183.544862]  fallback_alloc+0x203/0x2e0
[  183.548840]  ____cache_alloc_node+0x1c7/0x1e0
[  183.553343]  kmem_cache_alloc_node+0xe3/0x730
[  183.557837]  ? ipv6_get_ifaddr+0x42e/0x620
[  183.562074]  __alloc_skb+0x119/0x770
[  183.565790]  ? skb_scrub_packet+0x490/0x490
[  183.570114]  ? lock_downgrade+0x900/0x900
[  183.574673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.580207]  ? refcount_sub_and_test_checked+0x203/0x310
[  183.585656]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  183.591103]  ? addrconf_rs_timer+0x690/0x690
[  183.595513]  ndisc_alloc_skb+0x144/0x340
[  183.599582]  ndisc_send_rs+0x331/0x6e0
[  183.603470]  addrconf_rs_timer+0x314/0x690
[  183.608179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  183.612420]  call_timer_fn+0x272/0x920
[  183.616305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  183.620543]  ? process_timeout+0x40/0x40
[  183.624600]  ? trace_hardirqs_off+0xb8/0x310
[  183.629005]  ? kasan_check_read+0x11/0x20
[  183.633160]  ? do_raw_spin_unlock+0xa7/0x2f0
[  183.637566]  ? trace_hardirqs_on+0x310/0x310
[  183.641973]  ? __run_timers+0x7da/0xc70
[  183.645946]  ? lock_downgrade+0x900/0x900
[  183.650098]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  183.655198]  ? trace_hardirqs_on+0xbd/0x310
[  183.659524]  ? kasan_check_read+0x11/0x20
[  183.663671]  ? __run_timers+0x7da/0xc70
[  183.667646]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  183.673094]  ? kasan_check_write+0x14/0x20
[  183.677328]  ? do_raw_spin_lock+0xc1/0x200
[  183.681561]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  183.685798]  __run_timers+0x7e5/0xc70
[  183.689607]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  183.694968]  ? lock_acquire+0x1ed/0x520
[  183.698936]  ? __hrtimer_run_queues+0x488/0x10d0
[  183.703693]  ? lock_release+0x970/0x970
[  183.707663]  ? trace_hardirqs_off+0xb8/0x310
[  183.712067]  ? do_raw_spin_unlock+0xa7/0x2f0
[  183.716473]  ? kasan_check_write+0x14/0x20
[  183.720710]  ? pvclock_read_flags+0x160/0x160
[  183.725201]  ? lock_downgrade+0x900/0x900
[  183.729351]  ? trace_hardirqs_on+0xbd/0x310
[  183.733672]  ? kvm_sched_clock_read+0x9/0x20
[  183.738084]  ? irq_exit+0x17f/0x1c0
[  183.741709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.747243]  ? check_preemption_disabled+0x48/0x200
[  183.752256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.757800]  run_timer_softirq+0x52/0xb0
[  183.761858]  ? __this_cpu_preempt_check+0x1c/0x1f
[  183.766695]  __do_softirq+0x30b/0xad8
[  183.770501]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  183.775708]  ? pvclock_read_flags+0x160/0x160
[  183.780205]  ? lapic_next_event+0x5a/0x90
[  183.784350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.789884]  ? clockevents_program_event+0x140/0x370
[  183.794988]  ? kvm_clock_read+0x18/0x30
[  183.798970]  ? kvm_sched_clock_read+0x9/0x20
[  183.803381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.809407]  ? check_preemption_disabled+0x48/0x200
[  183.814427]  irq_exit+0x17f/0x1c0
[  183.817876]  smp_apic_timer_interrupt+0x1cb/0x760
[  183.822715]  ? smp_reschedule_interrupt+0x109/0x650
[  183.827728]  ? smp_call_function_single_interrupt+0x650/0x650
[  183.833607]  ? interrupt_entry+0xb5/0xf0
[  183.837665]  ? trace_hardirqs_off_caller+0xbb/0x310
[  183.843047]  ? trace_hardirqs_off_caller+0xbb/0x310
[  183.848062]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  183.852906]  ? trace_hardirqs_on_caller+0x310/0x310
[  183.857921]  ? trace_hardirqs_on_caller+0x310/0x310
[  183.862934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  183.868466]  ? check_preemption_disabled+0x48/0x200
[  183.873685]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  183.878534]  apic_timer_interrupt+0xf/0x20
[  183.882757]  </IRQ>
[  183.884995] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  183.889936] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  183.908830] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  183.916542] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  183.923803] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  183.931065] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  183.938332] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  183.945595] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  183.952875]  ? trace_hardirqs_on+0xb4/0x310
[  183.957206]  skb_clone+0x1bb/0x500
[  183.960747]  ? skb_split+0x11e0/0x11e0
[  183.964638]  ? preempt_notifier_register+0x200/0x200
[  183.969739]  ? __switch_to_asm+0x34/0x70
[  183.973795]  ? __switch_to_asm+0x34/0x70
[  183.977865]  ? __switch_to_asm+0x40/0x70
[  183.981920]  ? __switch_to_asm+0x34/0x70
[  183.985975]  ? __switch_to_asm+0x40/0x70
[  183.990052]  ? __switch_to_asm+0x40/0x70
[  183.994114]  ? __switch_to_asm+0x34/0x70
[  183.998173]  ? __switch_to_asm+0x34/0x70
[  184.002235]  ? __switch_to_asm+0x40/0x70
[  184.006289]  ? __switch_to_asm+0x34/0x70
[  184.010351]  bpf_clone_redirect+0xb9/0x490
[  184.014591]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  184.019603]  ? __sched_text_start+0x8/0x8
[  184.023750]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  184.028502]  ? retint_kernel+0x2d/0x2d
[  184.032393]  ? trace_hardirqs_on_caller+0xc0/0x310
[  184.037322]  ? rcu_gp_kthread+0x2310/0x2310
[  184.041644]  ? trace_hardirqs_off+0x310/0x310
[  184.046140]  ? lock_acquire+0x1ed/0x520
[  184.050110]  ? bpf_test_run+0x3cb/0x780
[  184.054080]  ? lock_downgrade+0x900/0x900
[  184.058223]  ? lock_release+0x970/0x970
[  184.062193]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  184.067993]  ? preempt_schedule_common+0x1f/0xd0
[  184.072756]  ? preempt_schedule+0x4d/0x60
[  184.076898]  ? ___preempt_schedule+0x16/0x18
[  184.081304]  ? bpf_test_run+0x25d/0x780
[  184.085284]  ? netlink_diag_dump+0x2a0/0x2a0
[  184.089695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  184.095227]  ? bpf_test_init.isra.9+0x70/0x100
[  184.099808]  ? bpf_prog_test_run_skb+0x634/0xb40
[  184.104836]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  184.109677]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  184.115215]  ? fput+0x130/0x1a0
[  184.118495]  ? __bpf_prog_get+0x9b/0x290
[  184.122565]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  184.127406]  ? bpf_prog_test_run+0x130/0x1a0
[  184.131813]  ? __x64_sys_bpf+0x3d8/0x510
[  184.135868]  ? bpf_prog_get+0x20/0x20
[  184.139677]  ? do_syscall_64+0x1b9/0x820
[  184.143739]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  184.149105]  ? syscall_return_slowpath+0x5e0/0x5e0
[  184.154036]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  184.158881]  ? trace_hardirqs_on_caller+0x310/0x310
[  184.163894]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  184.168908]  ? prepare_exit_to_usermode+0x291/0x3b0
[  184.173930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  184.179277]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  184.184657] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  184.184703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  184.191521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  184.198069] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  184.207356] Call Trace:
[  184.217826] syz-executor4 cpuset=syz4
[  184.220418]  dump_stack+0x1c4/0x2b4
[  184.220439]  ? dump_stack_print_info.cold.2+0x52/0x52
[  184.224214]  mems_allowed=0
[  184.227855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  184.241642]  warn_alloc.cold.119+0xb7/0x1bd
[  184.245973]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  184.250829]  ? lock_downgrade+0x900/0x900
[  184.254993]  ? trace_hardirqs_off+0xb8/0x310
[  184.259419]  ? trace_hardirqs_off+0xb8/0x310
[  184.263838]  __alloc_pages_slowpath+0x2667/0x2d80
[  184.268736]  ? mark_held_locks+0x130/0x130
[  184.272976]  ? warn_alloc+0x120/0x120
[  184.276783]  ? warn_alloc+0x120/0x120
[  184.280590]  ? cpuacct_charge+0x265/0x440
[  184.284750]  ? warn_alloc+0x120/0x120
[  184.288576]  ? mark_held_locks+0x130/0x130
[  184.292825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  184.298378]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  184.303928]  ? should_fail+0x22d/0xd01
[  184.307831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  184.312944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  184.318495]  ? should_fail+0x22d/0xd01
[  184.322394]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  184.327511]  ? should_fail+0x22d/0xd01
[  184.331414]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  184.336529]  ? mark_held_locks+0x130/0x130
[  184.340776]  ? mark_held_locks+0x130/0x130
[  184.345036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  184.350591]  ? trace_hardirqs_off+0xb8/0x310
[  184.355007]  ? kasan_check_read+0x11/0x20
[  184.359188]  ? do_raw_spin_unlock+0xa7/0x2f0
[  184.363598]  ? trace_hardirqs_on+0x310/0x310
[  184.368042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  184.373596]  ? wq_watchdog_touch+0x9c/0xfe
[  184.377843]  ? io_serial_in+0x11/0x90
[  184.381681]  ? retint_kernel+0x2d/0x2d
[  184.385586]  ? trace_hardirqs_on_caller+0xc0/0x310
[  184.390523]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  184.395287]  ? trace_hardirqs_off+0x310/0x310
[  184.399794]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  184.404913]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  184.409944]  ? widen_string+0xe0/0x2e0
[  184.413852]  __alloc_pages_nodemask+0xa80/0xde0
[  184.418523]  ? should_fail+0x22d/0xd01
[  184.422448]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  184.427512]  ? ____cache_alloc_node+0x1c7/0x1e0
[  184.432190]  ? lock_downgrade+0x900/0x900
[  184.436345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  184.441896]  cache_grow_begin+0x91/0x8c0
[  184.445962]  ? do_raw_spin_unlock+0xa7/0x2f0
[  184.450387]  fallback_alloc+0x203/0x2e0
[  184.454377]  ____cache_alloc_node+0x1c7/0x1e0
[  184.458898]  kmem_cache_alloc_node+0xe3/0x730
[  184.463413]  ? ipv6_get_ifaddr+0x42e/0x620
[  184.467687]  __alloc_skb+0x119/0x770
[  184.471416]  ? skb_scrub_packet+0x490/0x490
[  184.475739]  ? lock_downgrade+0x900/0x900
[  184.479903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  184.485458]  ? refcount_sub_and_test_checked+0x203/0x310
[  184.490935]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  184.496400]  ? addrconf_rs_timer+0x690/0x690
[  184.500844]  ndisc_alloc_skb+0x144/0x340
[  184.504915]  ndisc_send_rs+0x331/0x6e0
[  184.508823]  addrconf_rs_timer+0x314/0x690
[  184.513071]  ? lock_release+0x970/0x970
[  184.517074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  184.521334]  call_timer_fn+0x272/0x920
[  184.525228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  184.529478]  ? process_timeout+0x40/0x40
[  184.533556]  ? kasan_check_read+0x11/0x20
[  184.537723]  ? do_raw_spin_unlock+0xa7/0x2f0
[  184.542151]  ? trace_hardirqs_on+0x310/0x310
[  184.546583]  ? __run_timers+0x7da/0xc70
[  184.550580]  ? lock_downgrade+0x900/0x900
[  184.554758]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  184.559882]  ? trace_hardirqs_on+0xbd/0x310
[  184.564217]  ? kasan_check_read+0x11/0x20
[  184.568378]  ? __run_timers+0x7da/0xc70
[  184.572363]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  184.577828]  ? kasan_check_write+0x14/0x20
[  184.582080]  ? do_raw_spin_lock+0xc1/0x200
[  184.586344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  184.590595]  __run_timers+0x7e5/0xc70
[  184.594431]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  184.599812]  ? lock_downgrade+0x900/0x900
[  184.603974]  ? finish_task_switch+0x1b5/0x900
[  184.608496]  ? trace_hardirqs_on+0xbd/0x310
[  184.612826]  ? kasan_check_read+0x11/0x20
[  184.617003]  ? finish_task_switch+0x1f5/0x900
[  184.621523]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  184.626984]  ? compat_start_thread+0x80/0x80
[  184.631426]  ? pvclock_read_flags+0x160/0x160
[  184.635929]  ? __switch_to_asm+0x34/0x70
[  184.640018]  ? __switch_to_asm+0x34/0x70
[  184.644091]  ? __switch_to_asm+0x40/0x70
[  184.648165]  ? __switch_to_asm+0x40/0x70
[  184.652229]  ? __switch_to_asm+0x34/0x70
[  184.656289]  ? __switch_to_asm+0x40/0x70
[  184.660354]  ? trace_hardirqs_on+0xbd/0x310
[  184.664680]  ? kvm_sched_clock_read+0x9/0x20
[  184.669094]  ? run_ksoftirqd+0x94/0x100
[  184.673116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  184.678660]  ? check_preemption_disabled+0x48/0x200
[  184.683688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  184.689263]  run_timer_softirq+0x52/0xb0
[  184.693344]  ? __this_cpu_preempt_check+0x1c/0x1f
[  184.698197]  __do_softirq+0x30b/0xad8
[  184.702020]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  184.707131]  ? trace_hardirqs_off+0x310/0x310
[  184.711630]  ? retint_kernel+0x1b/0x2d
[  184.715524]  ? schedule+0x108/0x460
[  184.719173]  ? trace_hardirqs_off+0xb8/0x310
[  184.723604]  ? smpboot_thread_fn+0x68b/0xa00
[  184.728051]  ? trace_hardirqs_on+0x310/0x310
[  184.732471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  184.738006]  ? check_preemption_disabled+0x48/0x200
[  184.743057]  ? takeover_tasklets+0xa90/0xa90
[  184.747481]  run_ksoftirqd+0x94/0x100
[  184.751306]  smpboot_thread_fn+0x68b/0xa00
[  184.755559]  ? sort_range+0x30/0x30
[  184.759197]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  184.764296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  184.769829]  ? __kthread_parkme+0xfb/0x1a0
[  184.774073]  kthread+0x35a/0x420
[  184.777446]  ? sort_range+0x30/0x30
[  184.781085]  ? kthread_bind+0x40/0x40
[  184.784905]  ret_from_fork+0x3a/0x50
[  184.788649] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  184.788657] warn_alloc_show_mem: 1 callbacks suppressed
[  184.788664] Mem-Info:
[  184.795940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  184.801333] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  184.801333]  active_file:17 inactive_file:15 isolated_file:0
[  184.801333]  unevictable:0 dirty:0 writeback:0 unstable:0
[  184.801333]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  184.801333]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  184.801333]  free:13630 free_pcp:175 free_cma:0
[  184.803694] Call Trace:
[  184.813103] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  184.846122]  <IRQ>
[  184.848696] Node 0 
[  184.876478]  dump_stack+0x1c4/0x2b4
[  184.878656] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  184.880861]  ? dump_stack_print_info.cold.2+0x52/0x52
[  184.884459] lowmem_reserve[]:
[  184.909979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  184.915144]  0
[  184.918241]  warn_alloc.cold.119+0xb7/0x1bd
[  184.923758]  2819
[  184.925554]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  184.929847]  6323
[  184.931906]  ? lock_downgrade+0x900/0x900
[  184.936731]  6323
[  184.938791]  ? trace_hardirqs_off+0xb8/0x310
[  184.944969]  ? trace_hardirqs_off+0xb8/0x310
[  184.949358] Node 0 
[  184.953760]  __alloc_pages_slowpath+0x2667/0x2d80
[  184.953804] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  184.953810] lowmem_reserve[]:
[  184.956063]  ? warn_alloc+0x120/0x120
[  184.960871]  0
[  184.987856]  ? trace_hardirqs_on+0x310/0x310
[  184.990942]  0
[  184.994739]  ? warn_alloc+0x120/0x120
[  184.996520]  3503
[  185.000930]  ? warn_alloc+0x120/0x120
[  185.002718]  3503
[  185.006507]  ? ktime_get+0x2e1/0x440
[  185.006535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  185.012367]  ? check_preemption_disabled+0x48/0x200
[  185.014409] Node 0 
[  185.018114]  ? kasan_check_read+0x11/0x20
[  185.023669] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  185.028640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  185.030853] lowmem_reserve[]:
[  185.034993]  ? should_fail+0x22d/0xd01
[  185.063420]  0
[  185.068955]  ? rcu_bh_qs+0xc0/0xc0
[  185.072042]  0
[  185.075922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  185.077704]  0
[  185.081240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  185.083030]  0
[  185.088120]  ? should_fail+0x22d/0xd01
[  185.095426]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  185.097204] Node 0 
[  185.101088]  ? should_fail+0x22d/0xd01
[  185.106166] DMA: 
[  185.108401]  ? rcu_idle_enter+0x4b0/0x4b0
[  185.112267] 1*4kB 
[  185.114324]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  185.118448] (U) 
[  185.120588]  ? mark_held_locks+0x130/0x130
[  185.125671] 0*8kB 
[  185.127639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  185.131853] 0*16kB 
[  185.133994]  ? mark_held_locks+0x130/0x130
[  185.139514] 1*32kB 
[  185.141749]  ? rcu_irq_exit+0xce/0x100
[  185.145955] (U) 
[  185.148189]  ? irq_exit+0xbd/0x1c0
[  185.152053] 2*64kB 
[  185.154027]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  185.154045]  ? do_raw_spin_unlock+0xa7/0x2f0
[  185.157567] (U) 
[  185.159793]  ? smp_call_function_single_interrupt+0x650/0x650
[  185.164789] 1*128kB 
[  185.169187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  185.171141] (U) 
[  185.177030]  ? ret_from_intr+0xb/0x1e
[  185.179329] 1*256kB 
[  185.184860]  ? retint_kernel+0x2d/0x2d
[  185.186821] (U) 
[  185.190610]  ? trace_hardirqs_on_caller+0xc0/0x310
[  185.192917] 0*512kB 
[  185.196795]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  185.198752] 1*1024kB 
[  185.203679]  ? trace_hardirqs_off+0x310/0x310
[  185.205982] (U) 
[  185.210727]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  185.213124] 1*2048kB 
[  185.217610]  __alloc_pages_nodemask+0xa80/0xde0
[  185.219566] (M) 
[  185.224659]  ? should_fail+0x22d/0xd01
[  185.227062] 3*4096kB 
[  185.231722]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  185.233678] (M) 
[  185.237569]  ? ____cache_alloc_node+0x1c7/0x1e0
[  185.239959] = 15908kB
[  185.244994]  ? lock_downgrade+0x900/0x900
[  185.246946] Node 0 
[  185.251609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  185.254001] DMA32: 
[  185.258146]  cache_grow_begin+0x91/0x8c0
[  185.260369] 3*4kB 
[  185.265903]  ? do_raw_spin_unlock+0xa7/0x2f0
[  185.268121] (ME) 
[  185.272172]  fallback_alloc+0x203/0x2e0
[  185.274302] 2*8kB 
[  185.278700]  ____cache_alloc_node+0x1c7/0x1e0
[  185.280740] (ME) 
[  185.284710]  kmem_cache_alloc_node+0xe3/0x730
[  185.286841] 4*16kB 
[  185.291332]  ? ipv6_get_ifaddr+0x42e/0x620
[  185.293376] (UME) 
[  185.297868]  __alloc_skb+0x119/0x770
[  185.300081] 3*32kB 
[  185.304303]  ? skb_scrub_packet+0x490/0x490
[  185.306432] (ME) 
[  185.310144]  ? lock_downgrade+0x900/0x900
[  185.312367] 5*64kB 
[  185.316685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  185.318733] (ME) 
[  185.322873]  ? refcount_sub_and_test_checked+0x203/0x310
[  185.325093] 5*128kB 
[  185.330621]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  185.332661] (UME) 
[  185.338104]  ? addrconf_rs_timer+0x690/0x690
[  185.340404] 5*256kB 
[  185.345864]  ndisc_alloc_skb+0x144/0x340
[  185.347997] (UME) 
[  185.352400]  ndisc_send_rs+0x331/0x6e0
[  185.354704] 4*512kB 
[  185.358754]  addrconf_rs_timer+0x314/0x690
[  185.360887] (ME) 
[  185.364761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  185.367068] 4*1024kB 
[  185.371298]  call_timer_fn+0x272/0x920
[  185.373340] (UME) 
[  185.377564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  185.379952] 2*2048kB 
[  185.383828]  ? process_timeout+0x40/0x40
[  185.383849]  ? trace_hardirqs_off+0xb8/0x310
[  185.385978] (ME) 
[  185.390196]  ? kasan_check_read+0x11/0x20
[  185.390217]  ? do_raw_spin_unlock+0xa7/0x2f0
[  185.392607] 3*4096kB 
[  185.396663]  ? trace_hardirqs_on+0x310/0x310
[  185.401053] (M) 
[  185.403114]  ? __run_timers+0x7da/0xc70
[  185.407241] = 24956kB
[  185.411637]  ? lock_downgrade+0x900/0x900
[  185.414041] Node 0 
[  185.418447]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  185.420405] Normal: 
[  185.424365]  ? trace_hardirqs_on+0xbd/0x310
[  185.426751] 1016*4kB 
[  185.430892]  ? kasan_check_read+0x11/0x20
[  185.433112] (UME) 
[  185.438204]  ? __run_timers+0x7da/0xc70
[  185.440508] 447*8kB 
[  185.444827]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  185.447216] (ME) 
[  185.451355]  ? kasan_check_write+0x14/0x20
[  185.453498] 188*16kB 
[  185.457463]  ? do_raw_spin_lock+0xc1/0x200
[  185.459768] (UME) 
[  185.465367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  185.467411] 54*32kB 
[  185.471639]  __run_timers+0x7e5/0xc70
[  185.474040] (UME) 
[  185.478272]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  185.480395] 20*64kB 
[  185.484620]  ? lock_acquire+0x1ed/0x520
[  185.486916] (UM) 
[  185.490712]  ? __hrtimer_run_queues+0x488/0x10d0
[  185.492842] 0*128kB 
[  185.498194]  ? lock_release+0x970/0x970
[  185.500493] 0*256kB 
[  185.504462]  ? trace_hardirqs_off+0xb8/0x310
[  185.506501] 0*512kB 
[  185.511251]  ? do_raw_spin_unlock+0xa7/0x2f0
[  185.513546] 0*1024kB 
[  185.517516]  ? kasan_check_write+0x14/0x20
[  185.519819] 0*2048kB 
[  185.524223]  ? pvclock_read_flags+0x160/0x160
[  185.526522] 0*4096kB 
[  185.530926]  ? lock_downgrade+0x900/0x900
[  185.533317] = 13656kB
[  185.537975]  ? trace_hardirqs_on+0xbd/0x310
[  185.540365] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  185.544845]  ? kvm_sched_clock_read+0x9/0x20
[  185.547243] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  185.551376]  ? irq_exit+0x17f/0x1c0
[  185.553768] 4246 total pagecache pages
[  185.558084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  185.566888] 0 pages in swap cache
[  185.571289]  ? check_preemption_disabled+0x48/0x200
[  185.579933] Swap cache stats: add 0, delete 0, find 0/0
[  185.583550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  185.587413] Free swap  = 0kB
[  185.592944]  run_timer_softirq+0x52/0xb0
[  185.596364] Total swap = 0kB
[  185.601368]  ? __this_cpu_preempt_check+0x1c/0x1f
[  185.606700] 1965979 pages RAM
[  185.612228]  __do_softirq+0x30b/0xad8
[  185.615217] 0 pages HighMem/MovableOnly
[  185.619266]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  185.622254] 342307 pages reserved
[  185.627086]  ? pvclock_read_flags+0x160/0x160
[  185.630162] 0 pages cma reserved
[  185.633950]  ? lapic_next_event+0x5a/0x90
[  185.637949] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  185.642992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  185.646502] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  185.650906]  ? clockevents_program_event+0x140/0x370
[  185.654247] ksoftirqd/0 cpuset=
[  185.658387]  ? kvm_clock_read+0x18/0x30
[  185.664851] /
[  185.670379]  ? kvm_sched_clock_read+0x9/0x20
[  185.680665]  mems_allowed=0
[  185.685763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  185.707503]  ? check_preemption_disabled+0x48/0x200
[  185.712535]  irq_exit+0x17f/0x1c0
[  185.715988]  smp_apic_timer_interrupt+0x1cb/0x760
[  185.720833]  ? smp_reschedule_interrupt+0x109/0x650
[  185.725850]  ? smp_call_function_single_interrupt+0x650/0x650
[  185.731735]  ? interrupt_entry+0xb5/0xf0
[  185.735795]  ? trace_hardirqs_off_caller+0xbb/0x310
[  185.740807]  ? trace_hardirqs_off_caller+0xbb/0x310
[  185.745825]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  185.750662]  ? trace_hardirqs_on_caller+0x310/0x310
[  185.755672]  ? trace_hardirqs_on_caller+0x310/0x310
[  185.760688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  185.766221]  ? check_preemption_disabled+0x48/0x200
[  185.771238]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  185.776088]  apic_timer_interrupt+0xf/0x20
[  185.780313]  </IRQ>
[  185.782552] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  185.787484] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  185.806377] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  185.814083] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  185.821346] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  185.828609] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  185.835873] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  185.843138] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  185.850423]  ? trace_hardirqs_on+0xb4/0x310
[  185.854757]  skb_clone+0x1bb/0x500
[  185.858297]  ? skb_split+0x11e0/0x11e0
[  185.862186]  ? preempt_notifier_register+0x200/0x200
[  185.867287]  ? __switch_to_asm+0x34/0x70
[  185.871343]  ? __switch_to_asm+0x34/0x70
[  185.875402]  ? __switch_to_asm+0x40/0x70
[  185.879461]  ? __switch_to_asm+0x34/0x70
[  185.883517]  ? __switch_to_asm+0x40/0x70
[  185.887580]  ? __switch_to_asm+0x40/0x70
[  185.891637]  ? __switch_to_asm+0x34/0x70
[  185.895698]  ? __switch_to_asm+0x34/0x70
[  185.899760]  ? __switch_to_asm+0x40/0x70
[  185.903814]  ? __switch_to_asm+0x34/0x70
[  185.907879]  bpf_clone_redirect+0xb9/0x490
[  185.912115]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  185.917130]  ? __sched_text_start+0x8/0x8
[  185.921277]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  185.926037]  ? retint_kernel+0x2d/0x2d
[  185.929928]  ? trace_hardirqs_on_caller+0xc0/0x310
[  185.934862]  ? rcu_gp_kthread+0x2310/0x2310
[  185.939184]  ? trace_hardirqs_off+0x310/0x310
[  185.943679]  ? lock_acquire+0x1ed/0x520
[  185.947653]  ? bpf_test_run+0x3cb/0x780
[  185.951626]  ? lock_downgrade+0x900/0x900
[  185.955771]  ? lock_release+0x970/0x970
[  185.959743]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  185.965545]  ? preempt_schedule_common+0x1f/0xd0
[  185.970302]  ? preempt_schedule+0x4d/0x60
[  185.974451]  ? ___preempt_schedule+0x16/0x18
[  185.978860]  ? bpf_test_run+0x25d/0x780
[  185.982837]  ? netlink_diag_dump+0x2a0/0x2a0
[  185.987246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  185.992783]  ? bpf_test_init.isra.9+0x70/0x100
[  185.997364]  ? bpf_prog_test_run_skb+0x634/0xb40
[  186.002125]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  186.006967]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  186.012500]  ? fput+0x130/0x1a0
[  186.015779]  ? __bpf_prog_get+0x9b/0x290
[  186.019845]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  186.024686]  ? bpf_prog_test_run+0x130/0x1a0
[  186.029094]  ? __x64_sys_bpf+0x3d8/0x510
[  186.033153]  ? bpf_prog_get+0x20/0x20
[  186.036961]  ? do_syscall_64+0x1b9/0x820
[  186.041029]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  186.046395]  ? syscall_return_slowpath+0x5e0/0x5e0
[  186.051327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  186.056170]  ? trace_hardirqs_on_caller+0x310/0x310
[  186.061185]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  186.066201]  ? prepare_exit_to_usermode+0x291/0x3b0
[  186.071223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  186.076069]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  186.081442] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  186.081497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  186.088273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  186.088277] Call Trace:
[  186.088297]  dump_stack+0x1c4/0x2b4
[  186.088314]  ? dump_stack_print_info.cold.2+0x52/0x52
[  186.094848] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  186.104634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.107192] syz-executor4 cpuset=
[  186.110813]  warn_alloc.cold.119+0xb7/0x1bd
[  186.115973] syz4
[  186.126457]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  186.131967]  mems_allowed=0
[  186.135410]  ? lock_downgrade+0x900/0x900
[  186.153537]  ? trace_hardirqs_off+0xb8/0x310
[  186.157954]  ? trace_hardirqs_off+0xb8/0x310
[  186.162376]  __alloc_pages_slowpath+0x2667/0x2d80
[  186.167231]  ? mark_held_locks+0x130/0x130
[  186.171472]  ? warn_alloc+0x120/0x120
[  186.175272]  ? warn_alloc+0x120/0x120
[  186.179068]  ? cpuacct_charge+0x265/0x440
[  186.183388]  ? warn_alloc+0x120/0x120
[  186.187188]  ? mark_held_locks+0x130/0x130
[  186.191428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.196961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  186.202496]  ? should_fail+0x22d/0xd01
[  186.206381]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  186.211478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  186.217027]  ? should_fail+0x22d/0xd01
[  186.220919]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  186.226034]  ? should_fail+0x22d/0xd01
[  186.229925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  186.235159]  ? mark_held_locks+0x130/0x130
[  186.239395]  ? mark_held_locks+0x130/0x130
[  186.243631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.249166]  ? trace_hardirqs_off+0xb8/0x310
[  186.253569]  ? kasan_check_read+0x11/0x20
[  186.257711]  ? do_raw_spin_unlock+0xa7/0x2f0
[  186.262120]  ? trace_hardirqs_on+0x310/0x310
[  186.266524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.272056]  ? wq_watchdog_touch+0x9c/0xfe
[  186.276288]  ? io_serial_in+0x11/0x90
[  186.280086]  ? retint_kernel+0x2d/0x2d
[  186.283973]  ? trace_hardirqs_on_caller+0xc0/0x310
[  186.288901]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  186.293652]  ? trace_hardirqs_off+0x310/0x310
[  186.298141]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  186.303247]  __alloc_pages_nodemask+0xa80/0xde0
[  186.307916]  ? should_fail+0x22d/0xd01
[  186.311806]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  186.316850]  ? ____cache_alloc_node+0x1c7/0x1e0
[  186.321518]  ? lock_downgrade+0x900/0x900
[  186.325671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.331210]  cache_grow_begin+0x91/0x8c0
[  186.335267]  ? do_raw_spin_unlock+0xa7/0x2f0
[  186.339675]  fallback_alloc+0x203/0x2e0
[  186.343654]  ____cache_alloc_node+0x1c7/0x1e0
[  186.348152]  kmem_cache_alloc_node+0xe3/0x730
[  186.352641]  ? ipv6_get_ifaddr+0x42e/0x620
[  186.356878]  __alloc_skb+0x119/0x770
[  186.360591]  ? skb_scrub_packet+0x490/0x490
[  186.364923]  ? lock_downgrade+0x900/0x900
[  186.369070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.374608]  ? refcount_sub_and_test_checked+0x203/0x310
[  186.380057]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  186.385504]  ? addrconf_rs_timer+0x690/0x690
[  186.389913]  ndisc_alloc_skb+0x144/0x340
[  186.393974]  ndisc_send_rs+0x331/0x6e0
[  186.397859]  addrconf_rs_timer+0x314/0x690
[  186.402095]  ? lock_release+0x970/0x970
[  186.406070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  186.410316]  call_timer_fn+0x272/0x920
[  186.414200]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  186.418436]  ? process_timeout+0x40/0x40
[  186.422490]  ? kasan_check_read+0x11/0x20
[  186.426640]  ? do_raw_spin_unlock+0xa7/0x2f0
[  186.431048]  ? trace_hardirqs_on+0x310/0x310
[  186.435457]  ? __run_timers+0x7da/0xc70
[  186.439426]  ? lock_downgrade+0x900/0x900
[  186.443571]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  186.448671]  ? trace_hardirqs_on+0xbd/0x310
[  186.452985]  ? kasan_check_read+0x11/0x20
[  186.457141]  ? __run_timers+0x7da/0xc70
[  186.461112]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  186.466573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.472110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  186.476341]  __run_timers+0x7e5/0xc70
[  186.480150]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  186.485506]  ? lock_downgrade+0x900/0x900
[  186.489666]  ? finish_task_switch+0x1b5/0x900
[  186.494164]  ? trace_hardirqs_on+0xbd/0x310
[  186.498478]  ? kasan_check_read+0x11/0x20
[  186.502622]  ? finish_task_switch+0x1f5/0x900
[  186.507117]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  186.512566]  ? compat_start_thread+0x80/0x80
[  186.516999]  ? pvclock_read_flags+0x160/0x160
[  186.521503]  ? __switch_to_asm+0x34/0x70
[  186.525563]  ? __switch_to_asm+0x34/0x70
[  186.529635]  ? __switch_to_asm+0x40/0x70
[  186.533691]  ? __switch_to_asm+0x40/0x70
[  186.537747]  ? __switch_to_asm+0x34/0x70
[  186.541804]  ? __switch_to_asm+0x40/0x70
[  186.545865]  ? trace_hardirqs_on+0xbd/0x310
[  186.550188]  ? kvm_sched_clock_read+0x9/0x20
[  186.554598]  ? run_ksoftirqd+0x94/0x100
[  186.558571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.564103]  ? check_preemption_disabled+0x48/0x200
[  186.569116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.574671]  run_timer_softirq+0x52/0xb0
[  186.578728]  ? __this_cpu_preempt_check+0x1c/0x1f
[  186.583566]  __do_softirq+0x30b/0xad8
[  186.587370]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  186.592468]  ? trace_hardirqs_off+0x310/0x310
[  186.596959]  ? retint_kernel+0x1b/0x2d
[  186.600845]  ? schedule+0x108/0x460
[  186.604473]  ? trace_hardirqs_off+0xb8/0x310
[  186.608876]  ? smpboot_thread_fn+0x68b/0xa00
[  186.613281]  ? trace_hardirqs_on+0x310/0x310
[  186.617685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  186.623217]  ? check_preemption_disabled+0x48/0x200
[  186.628235]  ? takeover_tasklets+0xa90/0xa90
[  186.632645]  run_ksoftirqd+0x94/0x100
[  186.636440]  smpboot_thread_fn+0x68b/0xa00
[  186.640674]  ? sort_range+0x30/0x30
[  186.644296]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  186.649394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  186.654926]  ? __kthread_parkme+0xfb/0x1a0
[  186.659175]  kthread+0x35a/0x420
[  186.662537]  ? sort_range+0x30/0x30
[  186.666161]  ? kthread_bind+0x40/0x40
[  186.669958]  ret_from_fork+0x3a/0x50
[  186.673715] warn_alloc_show_mem: 1 callbacks suppressed
[  186.673727] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  186.673729] Mem-Info:
[  186.673775] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  186.673775]  active_file:17 inactive_file:15 isolated_file:0
[  186.673775]  unevictable:0 dirty:0 writeback:0 unstable:0
[  186.673775]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  186.673775]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  186.673775]  free:13630 free_pcp:175 free_cma:0
[  186.679107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  186.686377] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  186.688769] Call Trace:
[  186.721804] Node 0 
[  186.731144]  <IRQ>
[  186.758907] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  186.761457]  dump_stack+0x1c4/0x2b4
[  186.763681] lowmem_reserve[]:
[  186.765838]  ? dump_stack_print_info.cold.2+0x52/0x52
[  186.791313]  0 2819
[  186.794953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.798030]  6323
[  186.803214]  warn_alloc.cold.119+0xb7/0x1bd
[  186.805421]  6323
[  186.810951]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  186.817297]  ? lock_downgrade+0x900/0x900
[  186.819329] Node 0 
[  186.824161]  ? trace_hardirqs_off+0xb8/0x310
[  186.828303] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  186.830543]  ? trace_hardirqs_off+0xb8/0x310
[  186.834921] lowmem_reserve[]:
[  186.861900]  __alloc_pages_slowpath+0x2667/0x2d80
[  186.866278]  0
[  186.869391]  ? warn_alloc+0x120/0x120
[  186.874191]  0
[  186.875984]  ? trace_hardirqs_on+0x310/0x310
[  186.879754]  3503
[  186.881550]  ? warn_alloc+0x120/0x120
[  186.885933]  3503
[  186.887987]  ? warn_alloc+0x120/0x120
[  186.893817]  ? ktime_get+0x2e1/0x440
[  186.897592] Node 0 
[  186.901298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  186.901330] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  186.901337] lowmem_reserve[]:
[  186.903567]  ? check_preemption_disabled+0x48/0x200
[  186.909078]  0
[  186.937542]  ? kasan_check_read+0x11/0x20
[  186.940614]  0
[  186.945652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  186.947421]  0
[  186.951563]  ? should_fail+0x22d/0xd01
[  186.953334]  0
[  186.958866]  ? rcu_bh_qs+0xc0/0xc0
[  186.964521]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  186.966293] Node 0 
[  186.969827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  186.974896] DMA: 
[  186.977123]  ? should_fail+0x22d/0xd01
[  186.982633] 1*4kB 
[  186.984686]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  186.988541] (U) 
[  186.990682]  ? should_fail+0x22d/0xd01
[  186.995760] 0*8kB 
[  186.997731]  ? rcu_idle_enter+0x4b0/0x4b0
[  187.001588] 0*16kB 
[  187.003731]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  187.007851] 1*32kB 
[  187.010080]  ? mark_held_locks+0x130/0x130
[  187.015152] (U) 
[  187.017383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  187.021586] 2*64kB 
[  187.023558]  ? mark_held_locks+0x130/0x130
[  187.029063] (U) 
[  187.031293]  ? rcu_irq_exit+0xce/0x100
[  187.035497] 1*128kB (U) 
[  187.037483]  ? irq_exit+0xbd/0x1c0
[  187.041339] 1*256kB 
[  187.044005]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  187.047524] (U) 
[  187.049849]  ? do_raw_spin_unlock+0xa7/0x2f0
[  187.054833] 0*512kB 
[  187.056803]  ? smp_call_function_single_interrupt+0x650/0x650
[  187.061177] 1*1024kB 
[  187.063496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  187.069350] (U) 
[  187.071754]  ? ret_from_intr+0xb/0x1e
[  187.077259] 1*2048kB 
[  187.079226]  ? retint_kernel+0x2d/0x2d
[  187.082993] (M) 
[  187.085404]  ? trace_hardirqs_on_caller+0xc0/0x310
[  187.089265] 3*4096kB 
[  187.091236]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  187.096132] (M) 
[  187.098542]  ? trace_hardirqs_off+0x310/0x310
[  187.103264] = 15908kB
[  187.105234]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  187.109700] Node 0 
[  187.112107]  __alloc_pages_nodemask+0xa80/0xde0
[  187.117260] DMA32: 
[  187.119492]  ? should_fail+0x22d/0xd01
[  187.124129] 3*4kB 
[  187.126370]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  187.130224] (ME) 
[  187.132380]  ? ____cache_alloc_node+0x1c7/0x1e0
[  187.137358] 2*8kB 
[  187.139413]  ? lock_downgrade+0x900/0x900
[  187.144049] (ME) 
[  187.146203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  187.150320] 4*16kB 
[  187.152379]  cache_grow_begin+0x91/0x8c0
[  187.157882] (UME) 
[  187.160117]  ? do_raw_spin_unlock+0xa7/0x2f0
[  187.164145] 3*32kB 
[  187.166296]  fallback_alloc+0x203/0x2e0
[  187.170673] (ME) 
[  187.172904]  ____cache_alloc_node+0x1c7/0x1e0
[  187.176846] 5*64kB 
[  187.178903]  kmem_cache_alloc_node+0xe3/0x730
[  187.183371] (ME) 
[  187.185599]  ? ipv6_get_ifaddr+0x42e/0x620
[  187.190070] 5*128kB 
[  187.192123]  __alloc_skb+0x119/0x770
[  187.196327] (UME) 
[  187.198641]  ? skb_scrub_packet+0x490/0x490
[  187.202330] 5*256kB 
[  187.204472]  ? lock_downgrade+0x900/0x900
[  187.208762] (UME) 
[  187.211078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  187.215200] 4*512kB 
[  187.217340]  ? refcount_sub_and_test_checked+0x203/0x310
[  187.222846] (ME) 
[  187.225161]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  187.230599] 4*1024kB 
[  187.232649]  ? addrconf_rs_timer+0x690/0x690
[  187.238074] (UME) 
[  187.240476]  ndisc_alloc_skb+0x144/0x340
[  187.244857] 2*2048kB 
[  187.246996]  ndisc_send_rs+0x331/0x6e0
[  187.251050] (ME) 
[  187.253450]  addrconf_rs_timer+0x314/0x690
[  187.257312] 3*4096kB 
[  187.259365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  187.263570] (M) 
[  187.265974]  call_timer_fn+0x272/0x920
[  187.270176] = 24956kB
[  187.272140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  187.276001] Node 0 
[  187.278409]  ? process_timeout+0x40/0x40
[  187.282616] Normal: 
[  187.284846]  ? trace_hardirqs_off+0xb8/0x310
[  187.288876] 1016*4kB 
[  187.291192]  ? kasan_check_read+0x11/0x20
[  187.295576] (UME) 
[  187.297982]  ? do_raw_spin_unlock+0xa7/0x2f0
[  187.302101] 447*8kB 
[  187.304240]  ? trace_hardirqs_on+0x310/0x310
[  187.308618] (ME) 
[  187.310932]  ? __run_timers+0x7da/0xc70
[  187.315313] 188*16kB 
[  187.317368]  ? lock_downgrade+0x900/0x900
[  187.321313] (UME) 
[  187.323740]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  187.327855] 54*32kB 
[  187.329992]  ? trace_hardirqs_on+0xbd/0x310
[  187.335071] (UME) 
[  187.337383]  ? kasan_check_read+0x11/0x20
[  187.341677] 20*64kB 
[  187.343818]  ? __run_timers+0x7da/0xc70
[  187.347938] (UM) 
[  187.350251]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  187.354195] 0*128kB 
[  187.356251]  ? kasan_check_write+0x14/0x20
[  187.361675] 0*256kB 
[  187.363993]  ? do_raw_spin_lock+0xc1/0x200
[  187.368196] 0*512kB 
[  187.370509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  187.374717] 0*1024kB 
[  187.377044]  __run_timers+0x7e5/0xc70
[  187.381253] 0*2048kB 
[  187.383661]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  187.387428] 0*4096kB 
[  187.389832]  ? lock_acquire+0x1ed/0x520
[  187.395170] = 13656kB
[  187.397572]  ? __hrtimer_run_queues+0x488/0x10d0
[  187.401526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  187.403923]  ? lock_release+0x970/0x970
[  187.408655] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  187.417474]  ? trace_hardirqs_off+0xb8/0x310
[  187.421422] 4246 total pagecache pages
[  187.429988]  ? do_raw_spin_unlock+0xa7/0x2f0
[  187.434364] 0 pages in swap cache
[  187.438243]  ? kasan_check_write+0x14/0x20
[  187.442625] Swap cache stats: add 0, delete 0, find 0/0
[  187.446066]  ? pvclock_read_flags+0x160/0x160
[  187.450276] Free swap  = 0kB
[  187.455632]  ? lock_downgrade+0x900/0x900
[  187.460100] Total swap = 0kB
[  187.463109]  ? trace_hardirqs_on+0xbd/0x310
[  187.467227] 1965979 pages RAM
[  187.470236]  ? kvm_sched_clock_read+0x9/0x20
[  187.474526] 0 pages HighMem/MovableOnly
[  187.474530] 342307 pages reserved
[  187.477628]  ? irq_exit+0x17f/0x1c0
[  187.482007] 0 pages cma reserved
[  187.485980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  187.489477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  187.493030]  ? check_preemption_disabled+0x48/0x200
[  187.496436] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  187.501902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  187.508370] ksoftirqd/0 cpuset=
[  187.513383]  run_timer_softirq+0x52/0xb0
[  187.523667] /
[  187.529193]  ? __this_cpu_preempt_check+0x1c/0x1f
[  187.532445]  mems_allowed=0
[  187.536493]  __do_softirq+0x30b/0xad8
[  187.549724]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  187.554845]  ? pvclock_read_flags+0x160/0x160
[  187.559340]  ? lapic_next_event+0x5a/0x90
[  187.563486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  187.569030]  ? clockevents_program_event+0x140/0x370
[  187.574135]  ? kvm_clock_read+0x18/0x30
[  187.578108]  ? kvm_sched_clock_read+0x9/0x20
[  187.582512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  187.588052]  ? check_preemption_disabled+0x48/0x200
[  187.593073]  irq_exit+0x17f/0x1c0
[  187.596522]  smp_apic_timer_interrupt+0x1cb/0x760
[  187.601369]  ? smp_reschedule_interrupt+0x109/0x650
[  187.606383]  ? smp_call_function_single_interrupt+0x650/0x650
[  187.612271]  ? interrupt_entry+0xb5/0xf0
[  187.616329]  ? trace_hardirqs_off_caller+0xbb/0x310
[  187.621339]  ? trace_hardirqs_off_caller+0xbb/0x310
[  187.626352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  187.631189]  ? trace_hardirqs_on_caller+0x310/0x310
[  187.636200]  ? trace_hardirqs_on_caller+0x310/0x310
[  187.641213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  187.646745]  ? check_preemption_disabled+0x48/0x200
[  187.651767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  187.656612]  apic_timer_interrupt+0xf/0x20
[  187.660840]  </IRQ>
[  187.663082] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  187.668042] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  187.686939] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  187.694643] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  187.701905] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  187.709171] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  187.716434] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  187.723700] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  187.730994]  ? trace_hardirqs_on+0xb4/0x310
[  187.735330]  skb_clone+0x1bb/0x500
[  187.738871]  ? skb_split+0x11e0/0x11e0
[  187.742771]  ? preempt_notifier_register+0x200/0x200
[  187.747872]  ? __switch_to_asm+0x34/0x70
[  187.751934]  ? __switch_to_asm+0x34/0x70
[  187.755988]  ? __switch_to_asm+0x40/0x70
[  187.760065]  ? __switch_to_asm+0x34/0x70
[  187.764125]  ? __switch_to_asm+0x40/0x70
[  187.768185]  ? __switch_to_asm+0x40/0x70
[  187.772244]  ? __switch_to_asm+0x34/0x70
[  187.776302]  ? __switch_to_asm+0x34/0x70
[  187.780361]  ? __switch_to_asm+0x40/0x70
[  187.784418]  ? __switch_to_asm+0x34/0x70
[  187.788476]  bpf_clone_redirect+0xb9/0x490
[  187.792713]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  187.797726]  ? __sched_text_start+0x8/0x8
[  187.801872]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  187.806626]  ? retint_kernel+0x2d/0x2d
[  187.810512]  ? trace_hardirqs_on_caller+0xc0/0x310
[  187.815449]  ? rcu_gp_kthread+0x2310/0x2310
[  187.819770]  ? trace_hardirqs_off+0x310/0x310
[  187.824271]  ? lock_acquire+0x1ed/0x520
[  187.828244]  ? bpf_test_run+0x3cb/0x780
[  187.832217]  ? lock_downgrade+0x900/0x900
[  187.836363]  ? lock_release+0x970/0x970
[  187.840336]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  187.846133]  ? preempt_schedule_common+0x1f/0xd0
[  187.850885]  ? preempt_schedule+0x4d/0x60
[  187.855039]  ? ___preempt_schedule+0x16/0x18
[  187.859452]  ? bpf_test_run+0x25d/0x780
[  187.863433]  ? netlink_diag_dump+0x2a0/0x2a0
[  187.867841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  187.873372]  ? bpf_test_init.isra.9+0x70/0x100
[  187.877951]  ? bpf_prog_test_run_skb+0x634/0xb40
[  187.882716]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  187.887553]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  187.893093]  ? fput+0x130/0x1a0
[  187.896372]  ? __bpf_prog_get+0x9b/0x290
[  187.900429]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  187.905269]  ? bpf_prog_test_run+0x130/0x1a0
[  187.909672]  ? __x64_sys_bpf+0x3d8/0x510
[  187.913729]  ? bpf_prog_get+0x20/0x20
[  187.917540]  ? do_syscall_64+0x1b9/0x820
[  187.921596]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  187.926956]  ? syscall_return_slowpath+0x5e0/0x5e0
[  187.931881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  187.936721]  ? trace_hardirqs_on_caller+0x310/0x310
[  187.941735]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  187.946750]  ? prepare_exit_to_usermode+0x291/0x3b0
[  187.951771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  187.956651]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  187.962038] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  187.962100] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  187.968879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  187.968883] Call Trace:
[  187.968902]  dump_stack+0x1c4/0x2b4
[  187.968916]  ? dump_stack_print_info.cold.2+0x52/0x52
[  187.968935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  187.975504] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  187.984762]  warn_alloc.cold.119+0xb7/0x1bd
[  187.987319] syz-executor4 cpuset=
[  187.990937]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  187.996101] syz4
[  188.001630]  ? lock_downgrade+0x900/0x900
[  188.012094]  mems_allowed=0
[  188.016408]  ? trace_hardirqs_off+0xb8/0x310
[  188.038092]  ? trace_hardirqs_off+0xb8/0x310
[  188.042507]  __alloc_pages_slowpath+0x2667/0x2d80
[  188.047365]  ? mark_held_locks+0x130/0x130
[  188.051599]  ? warn_alloc+0x120/0x120
[  188.055405]  ? warn_alloc+0x120/0x120
[  188.059201]  ? cpuacct_charge+0x265/0x440
[  188.063348]  ? warn_alloc+0x120/0x120
[  188.067146]  ? mark_held_locks+0x130/0x130
[  188.071383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.076929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  188.082463]  ? should_fail+0x22d/0xd01
[  188.086354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  188.091456]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  188.096992]  ? should_fail+0x22d/0xd01
[  188.100891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  188.106498]  ? should_fail+0x22d/0xd01
[  188.110386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  188.115493]  ? mark_held_locks+0x130/0x130
[  188.119726]  ? mark_held_locks+0x130/0x130
[  188.123963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.129501]  ? trace_hardirqs_off+0xb8/0x310
[  188.133907]  ? kasan_check_read+0x11/0x20
[  188.138061]  ? do_raw_spin_unlock+0xa7/0x2f0
[  188.142468]  ? trace_hardirqs_on+0x310/0x310
[  188.146877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.152410]  ? wq_watchdog_touch+0x9c/0xfe
[  188.156647]  ? io_serial_in+0x11/0x90
[  188.160448]  ? retint_kernel+0x2d/0x2d
[  188.164332]  ? trace_hardirqs_on_caller+0xc0/0x310
[  188.169259]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  188.174010]  ? trace_hardirqs_off+0x310/0x310
[  188.178524]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  188.183638]  __alloc_pages_nodemask+0xa80/0xde0
[  188.189122]  ? should_fail+0x22d/0xd01
[  188.193023]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  188.198068]  ? ____cache_alloc_node+0x1c7/0x1e0
[  188.202735]  ? lock_downgrade+0x900/0x900
[  188.206885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.212432]  cache_grow_begin+0x91/0x8c0
[  188.216525]  ? do_raw_spin_unlock+0xa7/0x2f0
[  188.220935]  fallback_alloc+0x203/0x2e0
[  188.224908]  ____cache_alloc_node+0x1c7/0x1e0
[  188.229404]  kmem_cache_alloc_node+0xe3/0x730
[  188.233895]  ? ipv6_get_ifaddr+0x42e/0x620
[  188.238309]  __alloc_skb+0x119/0x770
[  188.242048]  ? skb_scrub_packet+0x490/0x490
[  188.246367]  ? lock_downgrade+0x900/0x900
[  188.250519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.256059]  ? refcount_sub_and_test_checked+0x203/0x310
[  188.261509]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  188.266961]  ? addrconf_rs_timer+0x690/0x690
[  188.271377]  ndisc_alloc_skb+0x144/0x340
[  188.275437]  ndisc_send_rs+0x331/0x6e0
[  188.279323]  addrconf_rs_timer+0x314/0x690
[  188.283556]  ? lock_release+0x970/0x970
[  188.287527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  188.291772]  call_timer_fn+0x272/0x920
[  188.295655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  188.299886]  ? process_timeout+0x40/0x40
[  188.303946]  ? kasan_check_read+0x11/0x20
[  188.308098]  ? do_raw_spin_unlock+0xa7/0x2f0
[  188.312503]  ? trace_hardirqs_on+0x310/0x310
[  188.316918]  ? __run_timers+0x7da/0xc70
[  188.320892]  ? lock_downgrade+0x900/0x900
[  188.325052]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  188.330157]  ? trace_hardirqs_on+0xbd/0x310
[  188.334476]  ? kasan_check_read+0x11/0x20
[  188.338626]  ? __run_timers+0x7da/0xc70
[  188.342598]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  188.348075]  ? kasan_check_write+0x14/0x20
[  188.352309]  ? do_raw_spin_lock+0xc1/0x200
[  188.356544]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  188.360782]  __run_timers+0x7e5/0xc70
[  188.364587]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  188.369964]  ? lock_downgrade+0x900/0x900
[  188.374139]  ? finish_task_switch+0x1b5/0x900
[  188.378651]  ? trace_hardirqs_on+0xbd/0x310
[  188.383035]  ? kasan_check_read+0x11/0x20
[  188.387186]  ? finish_task_switch+0x1f5/0x900
[  188.391683]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  188.397132]  ? compat_start_thread+0x80/0x80
[  188.401547]  ? pvclock_read_flags+0x160/0x160
[  188.406054]  ? __switch_to_asm+0x34/0x70
[  188.410111]  ? __switch_to_asm+0x34/0x70
[  188.414172]  ? __switch_to_asm+0x40/0x70
[  188.418233]  ? __switch_to_asm+0x40/0x70
[  188.422292]  ? __switch_to_asm+0x34/0x70
[  188.426348]  ? __switch_to_asm+0x40/0x70
[  188.430416]  ? trace_hardirqs_on+0xbd/0x310
[  188.434731]  ? kvm_sched_clock_read+0x9/0x20
[  188.439134]  ? run_ksoftirqd+0x94/0x100
[  188.443109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.448646]  ? check_preemption_disabled+0x48/0x200
[  188.453657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.459195]  run_timer_softirq+0x52/0xb0
[  188.463255]  ? __this_cpu_preempt_check+0x1c/0x1f
[  188.468095]  __do_softirq+0x30b/0xad8
[  188.471899]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  188.476999]  ? trace_hardirqs_off+0x310/0x310
[  188.481504]  ? retint_kernel+0x1b/0x2d
[  188.485391]  ? schedule+0x108/0x460
[  188.489033]  ? trace_hardirqs_off+0xb8/0x310
[  188.493441]  ? smpboot_thread_fn+0x68b/0xa00
[  188.497851]  ? trace_hardirqs_on+0x310/0x310
[  188.502259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  188.507793]  ? check_preemption_disabled+0x48/0x200
[  188.512818]  ? takeover_tasklets+0xa90/0xa90
[  188.517230]  run_ksoftirqd+0x94/0x100
[  188.521048]  smpboot_thread_fn+0x68b/0xa00
[  188.525285]  ? sort_range+0x30/0x30
[  188.528929]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  188.534056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  188.539597]  ? __kthread_parkme+0xfb/0x1a0
[  188.543837]  kthread+0x35a/0x420
[  188.547206]  ? sort_range+0x30/0x30
[  188.550844]  ? kthread_bind+0x40/0x40
[  188.554646]  ret_from_fork+0x3a/0x50
[  188.558364] warn_alloc_show_mem: 1 callbacks suppressed
[  188.558377] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  188.558378] Mem-Info:
[  188.558408] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  188.558408]  active_file:17 inactive_file:15 isolated_file:0
[  188.558408]  unevictable:0 dirty:0 writeback:0 unstable:0
[  188.558408]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  188.558408]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  188.558408]  free:13630 free_pcp:175 free_cma:0
[  188.563747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  188.571049] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  188.573443] Call Trace:
[  188.606495] Node 0 
[  188.615844]  <IRQ>
[  188.643622] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  188.646184]  dump_stack+0x1c4/0x2b4
[  188.648391] lowmem_reserve[]:
[  188.650543]  ? dump_stack_print_info.cold.2+0x52/0x52
[  188.676025]  0
[  188.679658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.682728]  2819
[  188.687920]  warn_alloc.cold.119+0xb7/0x1bd
[  188.689688]  6323
[  188.695226]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  188.697254]  6323
[  188.701590]  ? lock_downgrade+0x900/0x900
[  188.708457]  ? trace_hardirqs_off+0xb8/0x310
[  188.710489] Node 0 
[  188.714630]  ? trace_hardirqs_off+0xb8/0x310
[  188.719045] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  188.721249]  __alloc_pages_slowpath+0x2667/0x2d80
[  188.725622] lowmem_reserve[]:
[  188.752633]  ? warn_alloc+0x120/0x120
[  188.757441]  0
[  188.760551]  ? trace_hardirqs_on+0x310/0x310
[  188.764314]  0
[  188.766116]  ? warn_alloc+0x120/0x120
[  188.770488]  3503
[  188.772288]  ? warn_alloc+0x120/0x120
[  188.776096]  3503
[  188.778157]  ? ktime_get+0x2e1/0x440
[  188.783985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.787680] Node 0 
[  188.793225]  ? check_preemption_disabled+0x48/0x200
[  188.793257] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  188.793264] lowmem_reserve[]:
[  188.795499]  ? kasan_check_read+0x11/0x20
[  188.800495]  0
[  188.828961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  188.832047]  0
[  188.836196]  ? should_fail+0x22d/0xd01
[  188.837967]  0
[  188.843519]  ? rcu_bh_qs+0xc0/0xc0
[  188.845292]  0
[  188.849178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  188.854482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  188.856251] Node 0 
[  188.861353]  ? should_fail+0x22d/0xd01
[  188.866863] DMA: 
[  188.869103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  188.872954] 1*4kB 
[  188.875024]  ? should_fail+0x22d/0xd01
[  188.880099] (U) 
[  188.882247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  188.886099] 0*8kB 
[  188.888072]  ? mark_held_locks+0x130/0x130
[  188.893142] 0*16kB 
[  188.895295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.899494] 1*32kB 
[  188.901730]  ? mark_held_locks+0x130/0x130
[  188.907235] (U) 
[  188.909472]  ? rcu_irq_exit+0xce/0x100
[  188.913673] 2*64kB 
[  188.915650]  ? irq_exit+0xbd/0x1c0
[  188.919503] (U) 
[  188.921739]  ? mark_held_locks+0x130/0x130
[  188.925244] 1*128kB 
[  188.927218]  ? smp_call_function_single_interrupt+0x650/0x650
[  188.931421] (U) 
[  188.933804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  188.939657] 1*256kB 
[  188.941645]  ? ret_from_intr+0xb/0x1e
[  188.947151] (U) 
[  188.949475]  ? retint_kernel+0x2d/0x2d
[  188.953242] 0*512kB 
[  188.955216]  ? trace_hardirqs_on_caller+0xc0/0x310
[  188.959069] 1*1024kB 
[  188.961408]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  188.966304] (U) 
[  188.968712]  ? trace_hardirqs_off+0x310/0x310
[  188.973439] 1*2048kB 
[  188.975412]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  188.979872] (M) 
[  188.982283]  __alloc_pages_nodemask+0xa80/0xde0
[  188.987347] 3*4096kB 
[  188.989340]  ? should_fail+0x22d/0xd01
[  188.993976] (M) 
[  188.996389]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  189.000246] = 15908kB
[  189.002232]  ? ____cache_alloc_node+0x1c7/0x1e0
[  189.007208] Node 0 
[  189.009620]  ? lock_downgrade+0x900/0x900
[  189.014267] DMA32: 
[  189.016506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.020629] 3*4kB 
[  189.022863]  cache_grow_begin+0x91/0x8c0
[  189.028370] (ME) 
[  189.030519]  ? do_raw_spin_unlock+0xa7/0x2f0
[  189.034561] 2*8kB 
[  189.036620]  fallback_alloc+0x203/0x2e0
[  189.040994] (ME) 
[  189.043154]  ____cache_alloc_node+0x1c7/0x1e0
[  189.047092] 4*16kB 
[  189.049154]  kmem_cache_alloc_node+0xe3/0x730
[  189.053615] (UME) 
[  189.055853]  ? ipv6_get_ifaddr+0x42e/0x620
[  189.060320] 3*32kB 
[  189.062468]  __alloc_skb+0x119/0x770
[  189.066670] (ME) 
[  189.068903]  ? skb_scrub_packet+0x490/0x490
[  189.072583] 5*64kB 
[  189.074642]  ? lock_downgrade+0x900/0x900
[  189.078933] (ME) 
[  189.081163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.085282] 5*128kB 
[  189.087336]  ? refcount_sub_and_test_checked+0x203/0x310
[  189.092846] (UME) 
[  189.095165]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  189.100586] 5*256kB 
[  189.102731]  ? addrconf_rs_timer+0x690/0x690
[  189.108151] (UME) 
[  189.110472]  ndisc_alloc_skb+0x144/0x340
[  189.114847] 4*512kB 
[  189.116988]  ndisc_send_rs+0x331/0x6e0
[  189.121031] (ME) 
[  189.123347]  addrconf_rs_timer+0x314/0x690
[  189.127207] 4*1024kB 
[  189.129264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  189.133468] (UME) 
[  189.135881]  call_timer_fn+0x272/0x920
[  189.140089] 2*2048kB 
[  189.142229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  189.146089] (ME) 
[  189.148511]  ? process_timeout+0x40/0x40
[  189.152713] 3*4096kB 
[  189.154773]  ? trace_hardirqs_off+0xb8/0x310
[  189.158801] (M) 
[  189.161209]  ? kasan_check_read+0x11/0x20
[  189.165591] = 24956kB
[  189.167570]  ? do_raw_spin_unlock+0xa7/0x2f0
[  189.171690] Node 0 
[  189.174096]  ? trace_hardirqs_on+0x310/0x310
[  189.178486] Normal: 
[  189.180719]  ? __run_timers+0x7da/0xc70
[  189.185094] 1016*4kB 
[  189.187407]  ? lock_downgrade+0x900/0x900
[  189.191349] (UME) 
[  189.193754]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  189.197875] 447*8kB 
[  189.200022]  ? trace_hardirqs_on+0xbd/0x310
[  189.205103] (ME) 188*16kB 
[  189.207427]  ? kasan_check_read+0x11/0x20
[  189.211750] (UME) 
[  189.214604]  ? __run_timers+0x7da/0xc70
[  189.218724] 54*32kB 
[  189.220865]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  189.224809] (UME) 
[  189.227126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.232547] 20*64kB 
[  189.234685]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  189.240191] (UM) 
[  189.242512]  __run_timers+0x7e5/0xc70
[  189.246719] 0*128kB 
[  189.248779]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  189.252549] 0*256kB 
[  189.254862]  ? lock_acquire+0x1ed/0x520
[  189.260195] 0*512kB 
[  189.262507]  ? __hrtimer_run_queues+0x488/0x10d0
[  189.266452] 0*1024kB 
[  189.268768]  ? lock_release+0x970/0x970
[  189.273499] 0*2048kB 
[  189.275902]  ? trace_hardirqs_off+0xb8/0x310
[  189.279847] 0*4096kB 
[  189.282248]  ? do_raw_spin_unlock+0xa7/0x2f0
[  189.286625] = 13656kB
[  189.289032]  ? kasan_check_write+0x14/0x20
[  189.293428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  189.295827]  ? pvclock_read_flags+0x160/0x160
[  189.300047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  189.308865]  ? lock_downgrade+0x900/0x900
[  189.313331] 4246 total pagecache pages
[  189.321896]  ? trace_hardirqs_on+0xbd/0x310
[  189.326032] 0 pages in swap cache
[  189.329908]  ? kvm_sched_clock_read+0x9/0x20
[  189.334218] Swap cache stats: add 0, delete 0, find 0/0
[  189.337684]  ? irq_exit+0x17f/0x1c0
[  189.342066] Free swap  = 0kB
[  189.347425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.351033] Total swap = 0kB
[  189.354043]  ? check_preemption_disabled+0x48/0x200
[  189.354059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.359573] 1965979 pages RAM
[  189.362583]  run_timer_softirq+0x52/0xb0
[  189.367585] 0 pages HighMem/MovableOnly
[  189.373111]  ? __this_cpu_preempt_check+0x1c/0x1f
[  189.376190] 342307 pages reserved
[  189.380241]  __do_softirq+0x30b/0xad8
[  189.384191] 0 pages cma reserved
[  189.389028]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  189.392506] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  189.396244]  ? pvclock_read_flags+0x160/0x160
[  189.396257]  ? lapic_next_event+0x5a/0x90
[  189.396273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.399657] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  189.404706]  ? clockevents_program_event+0x140/0x370
[  189.411168] ksoftirqd/0 cpuset=
[  189.415652]  ? kvm_clock_read+0x18/0x30
[  189.419772] /
[  189.425300]  ? kvm_sched_clock_read+0x9/0x20
[  189.435587]  mems_allowed=0
[  189.440675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.462404]  ? check_preemption_disabled+0x48/0x200
[  189.467423]  irq_exit+0x17f/0x1c0
[  189.470872]  smp_apic_timer_interrupt+0x1cb/0x760
[  189.475710]  ? smp_reschedule_interrupt+0x109/0x650
[  189.480719]  ? smp_call_function_single_interrupt+0x650/0x650
[  189.486599]  ? interrupt_entry+0xb5/0xf0
[  189.490656]  ? trace_hardirqs_off_caller+0xbb/0x310
[  189.495670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  189.500682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  189.505520]  ? trace_hardirqs_on_caller+0x310/0x310
[  189.510543]  ? trace_hardirqs_on_caller+0x310/0x310
[  189.515590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.521123]  ? check_preemption_disabled+0x48/0x200
[  189.526139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  189.530984]  apic_timer_interrupt+0xf/0x20
[  189.535205]  </IRQ>
[  189.537442] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  189.542366] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  189.561263] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  189.568967] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  189.576242] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  189.583503] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  189.590860] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  189.598123] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  189.605401]  ? trace_hardirqs_on+0xb4/0x310
[  189.609731]  skb_clone+0x1bb/0x500
[  189.613271]  ? skb_split+0x11e0/0x11e0
[  189.617162]  ? preempt_notifier_register+0x200/0x200
[  189.622267]  ? __switch_to_asm+0x34/0x70
[  189.626323]  ? __switch_to_asm+0x34/0x70
[  189.630379]  ? __switch_to_asm+0x40/0x70
[  189.634437]  ? __switch_to_asm+0x34/0x70
[  189.638493]  ? __switch_to_asm+0x40/0x70
[  189.642556]  ? __switch_to_asm+0x40/0x70
[  189.646614]  ? __switch_to_asm+0x34/0x70
[  189.650676]  ? __switch_to_asm+0x34/0x70
[  189.654736]  ? __switch_to_asm+0x40/0x70
[  189.658795]  ? __switch_to_asm+0x34/0x70
[  189.662854]  bpf_clone_redirect+0xb9/0x490
[  189.667089]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  189.672105]  ? __sched_text_start+0x8/0x8
[  189.676254]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  189.681008]  ? retint_kernel+0x2d/0x2d
[  189.684904]  ? trace_hardirqs_on_caller+0xc0/0x310
[  189.689836]  ? rcu_gp_kthread+0x2310/0x2310
[  189.694157]  ? trace_hardirqs_off+0x310/0x310
[  189.698652]  ? lock_acquire+0x1ed/0x520
[  189.702624]  ? bpf_test_run+0x3cb/0x780
[  189.706594]  ? lock_downgrade+0x900/0x900
[  189.710745]  ? lock_release+0x970/0x970
[  189.714719]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  189.720515]  ? preempt_schedule_common+0x1f/0xd0
[  189.725274]  ? preempt_schedule+0x4d/0x60
[  189.729420]  ? ___preempt_schedule+0x16/0x18
[  189.733834]  ? bpf_test_run+0x25d/0x780
[  189.737810]  ? netlink_diag_dump+0x2a0/0x2a0
[  189.742217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  189.747753]  ? bpf_test_init.isra.9+0x70/0x100
[  189.752333]  ? bpf_prog_test_run_skb+0x634/0xb40
[  189.757090]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  189.761927]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  189.767460]  ? fput+0x130/0x1a0
[  189.770735]  ? __bpf_prog_get+0x9b/0x290
[  189.774813]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  189.779649]  ? bpf_prog_test_run+0x130/0x1a0
[  189.784054]  ? __x64_sys_bpf+0x3d8/0x510
[  189.788115]  ? bpf_prog_get+0x20/0x20
[  189.791928]  ? do_syscall_64+0x1b9/0x820
[  189.795991]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  189.801363]  ? syscall_return_slowpath+0x5e0/0x5e0
[  189.806290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  189.811150]  ? trace_hardirqs_on_caller+0x310/0x310
[  189.816177]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  189.821191]  ? prepare_exit_to_usermode+0x291/0x3b0
[  189.826212]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  189.831056]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  189.836426] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  189.836492] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  189.843279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  189.849826] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  189.859105] Call Trace:
[  189.869575] syz-executor4 cpuset=syz4
[  189.872165]  dump_stack+0x1c4/0x2b4
[  189.872180]  ? dump_stack_print_info.cold.2+0x52/0x52
[  189.875977]  mems_allowed=0
[  189.879590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.893222]  warn_alloc.cold.119+0xb7/0x1bd
[  189.897546]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  189.902385]  ? lock_downgrade+0x900/0x900
[  189.906533]  ? trace_hardirqs_off+0xb8/0x310
[  189.910943]  ? trace_hardirqs_off+0xb8/0x310
[  189.915356]  __alloc_pages_slowpath+0x2667/0x2d80
[  189.920206]  ? mark_held_locks+0x130/0x130
[  189.924439]  ? warn_alloc+0x120/0x120
[  189.928238]  ? warn_alloc+0x120/0x120
[  189.932053]  ? warn_alloc+0x120/0x120
[  189.935853]  ? mark_held_locks+0x130/0x130
[  189.940090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.945624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  189.951163]  ? should_fail+0x22d/0xd01
[  189.955060]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  189.960161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  189.965709]  ? should_fail+0x22d/0xd01
[  189.969599]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  189.974695]  ? should_fail+0x22d/0xd01
[  189.978600]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  189.983704]  ? mark_held_locks+0x130/0x130
[  189.987935]  ? mark_held_locks+0x130/0x130
[  189.992168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  189.997704]  ? trace_hardirqs_off+0xb8/0x310
[  190.002117]  ? kasan_check_read+0x11/0x20
[  190.006262]  ? do_raw_spin_unlock+0xa7/0x2f0
[  190.010667]  ? trace_hardirqs_on+0x310/0x310
[  190.015073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.020607]  ? wq_watchdog_touch+0x9c/0xfe
[  190.024837]  ? io_serial_in+0x11/0x90
[  190.028637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.034180]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  190.039295]  __alloc_pages_nodemask+0xa80/0xde0
[  190.043962]  ? should_fail+0x22d/0xd01
[  190.047852]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  190.052885]  ? ____cache_alloc_node+0x1c7/0x1e0
[  190.057555]  ? lock_downgrade+0x900/0x900
[  190.061703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.067242]  cache_grow_begin+0x91/0x8c0
[  190.071301]  ? do_raw_spin_unlock+0xa7/0x2f0
[  190.075715]  fallback_alloc+0x203/0x2e0
[  190.079693]  ____cache_alloc_node+0x1c7/0x1e0
[  190.084187]  kmem_cache_alloc_node+0xe3/0x730
[  190.088682]  ? ipv6_get_ifaddr+0x42e/0x620
[  190.092920]  __alloc_skb+0x119/0x770
[  190.096631]  ? skb_scrub_packet+0x490/0x490
[  190.100952]  ? lock_downgrade+0x900/0x900
[  190.105565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.111100]  ? refcount_sub_and_test_checked+0x203/0x310
[  190.116548]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  190.121999]  ? addrconf_rs_timer+0x690/0x690
[  190.126424]  ndisc_alloc_skb+0x144/0x340
[  190.130486]  ndisc_send_rs+0x331/0x6e0
[  190.134374]  addrconf_rs_timer+0x314/0x690
[  190.138605]  ? lock_release+0x970/0x970
[  190.142579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  190.146821]  call_timer_fn+0x272/0x920
[  190.150707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  190.154938]  ? process_timeout+0x40/0x40
[  190.158993]  ? kasan_check_read+0x11/0x20
[  190.163153]  ? do_raw_spin_unlock+0xa7/0x2f0
[  190.167569]  ? trace_hardirqs_on+0x310/0x310
[  190.171978]  ? __run_timers+0x7da/0xc70
[  190.175952]  ? lock_downgrade+0x900/0x900
[  190.180104]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  190.185206]  ? trace_hardirqs_on+0xbd/0x310
[  190.189527]  ? kasan_check_read+0x11/0x20
[  190.193671]  ? __run_timers+0x7da/0xc70
[  190.197644]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  190.203094]  ? kasan_check_write+0x14/0x20
[  190.207326]  ? do_raw_spin_lock+0xc1/0x200
[  190.211560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  190.215805]  __run_timers+0x7e5/0xc70
[  190.219612]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  190.224971]  ? lock_downgrade+0x900/0x900
[  190.229114]  ? finish_task_switch+0x1b5/0x900
[  190.233615]  ? trace_hardirqs_on+0xbd/0x310
[  190.237931]  ? kasan_check_read+0x11/0x20
[  190.242076]  ? finish_task_switch+0x1f5/0x900
[  190.246574]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  190.252037]  ? compat_start_thread+0x80/0x80
[  190.256457]  ? pvclock_read_flags+0x160/0x160
[  190.260947]  ? __switch_to_asm+0x34/0x70
[  190.265007]  ? __switch_to_asm+0x34/0x70
[  190.269077]  ? __switch_to_asm+0x40/0x70
[  190.273138]  ? __switch_to_asm+0x40/0x70
[  190.277196]  ? __switch_to_asm+0x34/0x70
[  190.281252]  ? __switch_to_asm+0x40/0x70
[  190.285316]  ? trace_hardirqs_on+0xbd/0x310
[  190.289635]  ? kvm_sched_clock_read+0x9/0x20
[  190.294052]  ? run_ksoftirqd+0x94/0x100
[  190.298041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.303580]  ? check_preemption_disabled+0x48/0x200
[  190.308594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.314135]  run_timer_softirq+0x52/0xb0
[  190.318196]  ? __this_cpu_preempt_check+0x1c/0x1f
[  190.323047]  __do_softirq+0x30b/0xad8
[  190.326851]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  190.331948]  ? trace_hardirqs_off+0x310/0x310
[  190.336439]  ? retint_kernel+0x1b/0x2d
[  190.340324]  ? schedule+0x108/0x460
[  190.343952]  ? trace_hardirqs_off+0xb8/0x310
[  190.348356]  ? smpboot_thread_fn+0x68b/0xa00
[  190.352759]  ? trace_hardirqs_on+0x310/0x310
[  190.357163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  190.362698]  ? check_preemption_disabled+0x48/0x200
[  190.367712]  ? takeover_tasklets+0xa90/0xa90
[  190.372119]  run_ksoftirqd+0x94/0x100
[  190.375917]  smpboot_thread_fn+0x68b/0xa00
[  190.380152]  ? sort_range+0x30/0x30
[  190.383780]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  190.388879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  190.394413]  ? __kthread_parkme+0xfb/0x1a0
[  190.398646]  kthread+0x35a/0x420
[  190.402008]  ? sort_range+0x30/0x30
[  190.405644]  ? kthread_bind+0x40/0x40
[  190.409443]  ret_from_fork+0x3a/0x50
[  190.413159] warn_alloc_show_mem: 1 callbacks suppressed
[  190.413171] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  190.413173] Mem-Info:
[  190.413203] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  190.413203]  active_file:17 inactive_file:15 isolated_file:0
[  190.413203]  unevictable:0 dirty:0 writeback:0 unstable:0
[  190.413203]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  190.413203]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  190.413203]  free:13630 free_pcp:175 free_cma:0
[  190.418538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  190.425810] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  190.428203] Call Trace:
[  190.461236] Node 0 
[  190.470577]  <IRQ>
[  190.498340] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  190.500894]  dump_stack+0x1c4/0x2b4
[  190.503098] lowmem_reserve[]:
[  190.505245]  ? dump_stack_print_info.cold.2+0x52/0x52
[  190.530716]  0
[  190.534336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.537411]  2819
[  190.542591]  warn_alloc.cold.119+0xb7/0x1bd
[  190.544367]  6323
[  190.549893]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  190.551926]  6323
[  190.556240]  ? lock_downgrade+0x900/0x900
[  190.563112]  ? trace_hardirqs_off+0xb8/0x310
[  190.565151] Node 0 
[  190.569291]  ? trace_hardirqs_off+0xb8/0x310
[  190.573699] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  190.575902]  __alloc_pages_slowpath+0x2667/0x2d80
[  190.580282] lowmem_reserve[]:
[  190.607265]  ? warn_alloc+0x120/0x120
[  190.612067]  0
[  190.615164]  ? trace_hardirqs_on+0x310/0x310
[  190.618938]  0
[  190.620734]  ? warn_alloc+0x120/0x120
[  190.625113]  3503
[  190.626906]  ? warn_alloc+0x120/0x120
[  190.630680]  3503
[  190.632732]  ? ktime_get+0x2e1/0x440
[  190.638564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.642246] Node 0 
[  190.647767]  ? check_preemption_disabled+0x48/0x200
[  190.647802] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  190.650005]  ? kasan_check_read+0x11/0x20
[  190.655002] lowmem_reserve[]:
[  190.683459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  190.687576]  0
[  190.690674]  ? should_fail+0x22d/0xd01
[  190.696180]  0
[  190.697977]  ? rcu_bh_qs+0xc0/0xc0
[  190.701832]  0
[  190.703627]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  190.707138]  0
[  190.708932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  190.715808]  ? should_fail+0x22d/0xd01
[  190.721320] Node 0 DMA: 
[  190.725203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  190.725218]  ? should_fail+0x22d/0xd01
[  190.727867] 1*4kB 
[  190.732964]  ? rcu_idle_enter+0x4b0/0x4b0
[  190.736824] (U) 
[  190.738965]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  190.743089] 0*8kB 
[  190.745057]  ? mark_held_locks+0x130/0x130
[  190.750134] 0*16kB 
[  190.752275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.756479] 1*32kB 
[  190.758707]  ? mark_held_locks+0x130/0x130
[  190.764216] (U) 
[  190.766447]  ? rcu_irq_exit+0xce/0x100
[  190.770653] 2*64kB 
[  190.772621]  ? irq_exit+0xbd/0x1c0
[  190.776477] (U) 
[  190.778708]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  190.782218] 1*128kB 
[  190.784189]  ? do_raw_spin_unlock+0xa7/0x2f0
[  190.789177] (U) 
[  190.791490]  ? smp_call_function_single_interrupt+0x650/0x650
[  190.795870] 1*256kB 
[  190.797838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.803693] (U) 
[  190.806008]  ? ret_from_intr+0xb/0x1e
[  190.811521] 0*512kB 
[  190.813489]  ? retint_kernel+0x2d/0x2d
[  190.817261] 1*1024kB 
[  190.819579]  ? trace_hardirqs_on_caller+0xc0/0x310
[  190.823441] (U) 
[  190.825845]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  190.830745] 1*2048kB 
[  190.832712]  ? trace_hardirqs_off+0x310/0x310
[  190.837438] (M) 
[  190.839844]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  190.844310] 3*4096kB 
[  190.846283]  __alloc_pages_nodemask+0xa80/0xde0
[  190.851353] (M) 
[  190.853755]  ? should_fail+0x22d/0xd01
[  190.858397] = 15908kB
[  190.860362]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  190.864221] Node 0 
[  190.866635]  ? ____cache_alloc_node+0x1c7/0x1e0
[  190.871616] DMA32: 
[  190.873844]  ? lock_downgrade+0x900/0x900
[  190.878486] 3*4kB 
[  190.880717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.884838] (ME) 
[  190.886978]  cache_grow_begin+0x91/0x8c0
[  190.892484] 2*8kB 
[  190.894545]  ? do_raw_spin_unlock+0xa7/0x2f0
[  190.898576] (ME) 
[  190.900719]  fallback_alloc+0x203/0x2e0
[  190.905103] 4*16kB 
[  190.907157]  ____cache_alloc_node+0x1c7/0x1e0
[  190.911121] (UME) 
[  190.913351]  kmem_cache_alloc_node+0xe3/0x730
[  190.917819] 3*32kB 
[  190.919957]  ? ipv6_get_ifaddr+0x42e/0x620
[  190.924426] (ME) 
[  190.926659]  __alloc_skb+0x119/0x770
[  190.930865] 5*64kB 
[  190.932917]  ? skb_scrub_packet+0x490/0x490
[  190.936601] (ME) 
[  190.938829]  ? lock_downgrade+0x900/0x900
[  190.943128] 5*128kB 
[  190.945191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  190.949308] (UME) 
[  190.951629]  ? refcount_sub_and_test_checked+0x203/0x310
[  190.957136] 5*256kB 
[  190.959274]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  190.964697] (UME) 
[  190.967012]  ? addrconf_rs_timer+0x690/0x690
[  190.972450] 4*512kB 
[  190.974594]  ndisc_alloc_skb+0x144/0x340
[  190.978972] (ME) 
[  190.981287]  ndisc_send_rs+0x331/0x6e0
[  190.985335] 4*1024kB 
[  190.987391]  addrconf_rs_timer+0x314/0x690
[  190.991281] (UME) 
[  190.993680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  190.997901] 2*2048kB 
[  191.000050]  call_timer_fn+0x272/0x920
[  191.004256] (ME) 
[  191.006654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  191.010517] 3*4096kB 
[  191.012575]  ? process_timeout+0x40/0x40
[  191.016782] (M) 
[  191.019187]  ? trace_hardirqs_off+0xb8/0x310
[  191.023217] = 24956kB
[  191.025182]  ? kasan_check_read+0x11/0x20
[  191.029562] Node 0 
[  191.031966]  ? do_raw_spin_unlock+0xa7/0x2f0
[  191.036082] Normal: 
[  191.038307]  ? trace_hardirqs_on+0x310/0x310
[  191.042688] 1016*4kB 
[  191.045003]  ? __run_timers+0x7da/0xc70
[  191.049381] (UME) 
[  191.051783]  ? lock_downgrade+0x900/0x900
[  191.055731] 447*8kB 
[  191.057874]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  191.061992] (ME) 
[  191.064308]  ? trace_hardirqs_on+0xbd/0x310
[  191.069384] 188*16kB 
[  191.071437]  ? kasan_check_read+0x11/0x20
[  191.075734] (UME) 
[  191.078136]  ? __run_timers+0x7da/0xc70
[  191.082258] 54*32kB 
[  191.084400]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  191.088360] (UME) 
[  191.090677]  ? kasan_check_write+0x14/0x20
[  191.096100] 20*64kB 
[  191.098243]  ? do_raw_spin_lock+0xc1/0x200
[  191.102884] (UM) 
[  191.105201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  191.109406] 0*128kB 
[  191.111461]  __run_timers+0x7e5/0xc70
[  191.115665] 0*256kB 
[  191.117986]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  191.121755] 0*512kB 
[  191.124067]  ? lock_acquire+0x1ed/0x520
[  191.129405] 0*1024kB 
[  191.131722]  ? __hrtimer_run_queues+0x488/0x10d0
[  191.135672] 0*2048kB 
[  191.138075]  ? lock_release+0x970/0x970
[  191.142803] 0*4096kB 
[  191.145205]  ? trace_hardirqs_off+0xb8/0x310
[  191.149151] = 13656kB
[  191.151560]  ? do_raw_spin_unlock+0xa7/0x2f0
[  191.155946] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  191.158345]  ? kasan_check_write+0x14/0x20
[  191.162729] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  191.171563]  ? pvclock_read_flags+0x160/0x160
[  191.175772] 4246 total pagecache pages
[  191.184344]  ? lock_downgrade+0x900/0x900
[  191.188812] 0 pages in swap cache
[  191.192698]  ? trace_hardirqs_on+0xbd/0x310
[  191.196816] Swap cache stats: add 0, delete 0, find 0/0
[  191.200264]  ? kvm_sched_clock_read+0x9/0x20
[  191.204554] Free swap  = 0kB
[  191.209917]  ? irq_exit+0x17f/0x1c0
[  191.214298] Total swap = 0kB
[  191.217311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.220908] 1965979 pages RAM
[  191.223918]  ? check_preemption_disabled+0x48/0x200
[  191.229430] 0 pages HighMem/MovableOnly
[  191.232541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.237521] 342307 pages reserved
[  191.241498]  run_timer_softirq+0x52/0xb0
[  191.247002] 0 pages cma reserved
[  191.250457]  ? __this_cpu_preempt_check+0x1c/0x1f
[  191.254544] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  191.257869]  __do_softirq+0x30b/0xad8
[  191.262726] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  191.269184]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  191.272964] ksoftirqd/0 cpuset=
[  191.283273]  ? pvclock_read_flags+0x160/0x160
[  191.288344] /
[  191.291628]  ? lapic_next_event+0x5a/0x90
[  191.296099]  mems_allowed=0
[  191.297807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.310369]  ? clockevents_program_event+0x140/0x370
[  191.315476]  ? kvm_clock_read+0x18/0x30
[  191.319455]  ? kvm_sched_clock_read+0x9/0x20
[  191.323881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.329418]  ? check_preemption_disabled+0x48/0x200
[  191.334442]  irq_exit+0x17f/0x1c0
[  191.337893]  smp_apic_timer_interrupt+0x1cb/0x760
[  191.342731]  ? smp_reschedule_interrupt+0x109/0x650
[  191.347745]  ? smp_call_function_single_interrupt+0x650/0x650
[  191.353629]  ? interrupt_entry+0xb5/0xf0
[  191.357688]  ? trace_hardirqs_off_caller+0xbb/0x310
[  191.362701]  ? trace_hardirqs_off_caller+0xbb/0x310
[  191.367715]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  191.372562]  ? trace_hardirqs_on_caller+0x310/0x310
[  191.377574]  ? trace_hardirqs_on_caller+0x310/0x310
[  191.382588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.388120]  ? check_preemption_disabled+0x48/0x200
[  191.393141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  191.397990]  apic_timer_interrupt+0xf/0x20
[  191.402226]  </IRQ>
[  191.404465] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  191.409394] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  191.428299] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  191.436006] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  191.443275] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  191.450543] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  191.457808] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  191.465072] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  191.472356]  ? trace_hardirqs_on+0xb4/0x310
[  191.476686]  skb_clone+0x1bb/0x500
[  191.480223]  ? skb_split+0x11e0/0x11e0
[  191.484108]  ? preempt_notifier_register+0x200/0x200
[  191.489213]  ? __switch_to_asm+0x34/0x70
[  191.493269]  ? __switch_to_asm+0x34/0x70
[  191.497331]  ? __switch_to_asm+0x40/0x70
[  191.501390]  ? __switch_to_asm+0x34/0x70
[  191.505447]  ? __switch_to_asm+0x40/0x70
[  191.509504]  ? __switch_to_asm+0x40/0x70
[  191.513584]  ? __switch_to_asm+0x34/0x70
[  191.517644]  ? __switch_to_asm+0x34/0x70
[  191.521700]  ? __switch_to_asm+0x40/0x70
[  191.525757]  ? __switch_to_asm+0x34/0x70
[  191.529822]  bpf_clone_redirect+0xb9/0x490
[  191.534063]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  191.539082]  ? __sched_text_start+0x8/0x8
[  191.543235]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  191.547996]  ? retint_kernel+0x2d/0x2d
[  191.551894]  ? trace_hardirqs_on_caller+0xc0/0x310
[  191.556829]  ? rcu_gp_kthread+0x2310/0x2310
[  191.561148]  ? trace_hardirqs_off+0x310/0x310
[  191.565646]  ? lock_acquire+0x1ed/0x520
[  191.569618]  ? bpf_test_run+0x3cb/0x780
[  191.573589]  ? lock_downgrade+0x900/0x900
[  191.577744]  ? lock_release+0x970/0x970
[  191.581721]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  191.587522]  ? preempt_schedule_common+0x1f/0xd0
[  191.592286]  ? preempt_schedule+0x4d/0x60
[  191.596433]  ? ___preempt_schedule+0x16/0x18
[  191.600842]  ? bpf_test_run+0x25d/0x780
[  191.604820]  ? netlink_diag_dump+0x2a0/0x2a0
[  191.609233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  191.614766]  ? bpf_test_init.isra.9+0x70/0x100
[  191.619437]  ? bpf_prog_test_run_skb+0x634/0xb40
[  191.624193]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  191.629042]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  191.634575]  ? fput+0x130/0x1a0
[  191.637857]  ? __bpf_prog_get+0x9b/0x290
[  191.641917]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  191.646757]  ? bpf_prog_test_run+0x130/0x1a0
[  191.651163]  ? __x64_sys_bpf+0x3d8/0x510
[  191.655225]  ? bpf_prog_get+0x20/0x20
[  191.659042]  ? do_syscall_64+0x1b9/0x820
[  191.663107]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  191.668472]  ? syscall_return_slowpath+0x5e0/0x5e0
[  191.673400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  191.678243]  ? trace_hardirqs_on_caller+0x310/0x310
[  191.683256]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  191.688275]  ? prepare_exit_to_usermode+0x291/0x3b0
[  191.693295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  191.698142]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  191.703517] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  191.703575] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  191.710361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  191.716921] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  191.726170] Call Trace:
[  191.736638] syz-executor4 cpuset=syz4
[  191.739225]  dump_stack+0x1c4/0x2b4
[  191.739241]  ? dump_stack_print_info.cold.2+0x52/0x52
[  191.743026]  mems_allowed=0
[  191.746651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.760257]  warn_alloc.cold.119+0xb7/0x1bd
[  191.764580]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  191.769423]  ? lock_downgrade+0x900/0x900
[  191.773572]  ? trace_hardirqs_off+0xb8/0x310
[  191.777985]  ? trace_hardirqs_off+0xb8/0x310
[  191.782397]  __alloc_pages_slowpath+0x2667/0x2d80
[  191.787247]  ? mark_held_locks+0x130/0x130
[  191.791483]  ? warn_alloc+0x120/0x120
[  191.795283]  ? warn_alloc+0x120/0x120
[  191.799086]  ? warn_alloc+0x120/0x120
[  191.802883]  ? mark_held_locks+0x130/0x130
[  191.807122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.812659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  191.818221]  ? should_fail+0x22d/0xd01
[  191.822110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  191.827207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  191.832741]  ? should_fail+0x22d/0xd01
[  191.836632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  191.841729]  ? should_fail+0x22d/0xd01
[  191.845617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  191.850719]  ? mark_held_locks+0x130/0x130
[  191.854955]  ? mark_held_locks+0x130/0x130
[  191.859188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.864722]  ? trace_hardirqs_off+0xb8/0x310
[  191.869125]  ? kasan_check_read+0x11/0x20
[  191.873274]  ? do_raw_spin_unlock+0xa7/0x2f0
[  191.877679]  ? trace_hardirqs_on+0x310/0x310
[  191.882088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.887621]  ? wq_watchdog_touch+0x9c/0xfe
[  191.891853]  ? io_serial_in+0x11/0x90
[  191.895654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.901197]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  191.906308]  __alloc_pages_nodemask+0xa80/0xde0
[  191.910974]  ? should_fail+0x22d/0xd01
[  191.914866]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  191.919895]  ? ____cache_alloc_node+0x1c7/0x1e0
[  191.924563]  ? lock_downgrade+0x900/0x900
[  191.928712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.934249]  cache_grow_begin+0x91/0x8c0
[  191.938306]  ? do_raw_spin_unlock+0xa7/0x2f0
[  191.942715]  fallback_alloc+0x203/0x2e0
[  191.946691]  ____cache_alloc_node+0x1c7/0x1e0
[  191.951189]  kmem_cache_alloc_node+0xe3/0x730
[  191.955679]  ? ipv6_get_ifaddr+0x42e/0x620
[  191.959923]  __alloc_skb+0x119/0x770
[  191.963635]  ? skb_scrub_packet+0x490/0x490
[  191.967952]  ? lock_downgrade+0x900/0x900
[  191.972099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  191.977633]  ? refcount_sub_and_test_checked+0x203/0x310
[  191.983081]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  191.988526]  ? addrconf_rs_timer+0x690/0x690
[  191.992936]  ndisc_alloc_skb+0x144/0x340
[  191.997001]  ndisc_send_rs+0x331/0x6e0
[  192.000897]  addrconf_rs_timer+0x314/0x690
[  192.005129]  ? lock_release+0x970/0x970
[  192.009102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  192.013347]  call_timer_fn+0x272/0x920
[  192.017232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  192.021464]  ? process_timeout+0x40/0x40
[  192.025523]  ? kasan_check_read+0x11/0x20
[  192.029669]  ? do_raw_spin_unlock+0xa7/0x2f0
[  192.034074]  ? trace_hardirqs_on+0x310/0x310
[  192.038484]  ? __run_timers+0x7da/0xc70
[  192.042455]  ? lock_downgrade+0x900/0x900
[  192.046602]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  192.051701]  ? trace_hardirqs_on+0xbd/0x310
[  192.056016]  ? kasan_check_read+0x11/0x20
[  192.060180]  ? __run_timers+0x7da/0xc70
[  192.064156]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  192.069603]  ? kasan_check_write+0x14/0x20
[  192.073833]  ? do_raw_spin_lock+0xc1/0x200
[  192.078068]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  192.082300]  __run_timers+0x7e5/0xc70
[  192.086108]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  192.091467]  ? lock_downgrade+0x900/0x900
[  192.095613]  ? finish_task_switch+0x1b5/0x900
[  192.100126]  ? trace_hardirqs_on+0xbd/0x310
[  192.104949]  ? kasan_check_read+0x11/0x20
[  192.109095]  ? finish_task_switch+0x1f5/0x900
[  192.113587]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  192.119047]  ? compat_start_thread+0x80/0x80
[  192.123468]  ? pvclock_read_flags+0x160/0x160
[  192.127962]  ? __switch_to_asm+0x34/0x70
[  192.132036]  ? __switch_to_asm+0x34/0x70
[  192.136092]  ? __switch_to_asm+0x40/0x70
[  192.140150]  ? __switch_to_asm+0x40/0x70
[  192.144206]  ? __switch_to_asm+0x34/0x70
[  192.148279]  ? __switch_to_asm+0x40/0x70
[  192.152339]  ? trace_hardirqs_on+0xbd/0x310
[  192.156659]  ? kvm_sched_clock_read+0x9/0x20
[  192.161070]  ? run_ksoftirqd+0x94/0x100
[  192.165053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  192.170591]  ? check_preemption_disabled+0x48/0x200
[  192.175602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  192.181143]  run_timer_softirq+0x52/0xb0
[  192.185199]  ? __this_cpu_preempt_check+0x1c/0x1f
[  192.190046]  __do_softirq+0x30b/0xad8
[  192.193849]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  192.198951]  ? trace_hardirqs_off+0x310/0x310
[  192.203444]  ? retint_kernel+0x1b/0x2d
[  192.207330]  ? schedule+0x108/0x460
[  192.210963]  ? trace_hardirqs_off+0xb8/0x310
[  192.215369]  ? smpboot_thread_fn+0x68b/0xa00
[  192.219772]  ? trace_hardirqs_on+0x310/0x310
[  192.224176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  192.229707]  ? check_preemption_disabled+0x48/0x200
[  192.234860]  ? takeover_tasklets+0xa90/0xa90
[  192.239266]  run_ksoftirqd+0x94/0x100
[  192.243062]  smpboot_thread_fn+0x68b/0xa00
[  192.247294]  ? sort_range+0x30/0x30
[  192.250918]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  192.256015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  192.261567]  ? __kthread_parkme+0xfb/0x1a0
[  192.265806]  kthread+0x35a/0x420
[  192.269169]  ? sort_range+0x30/0x30
[  192.272792]  ? kthread_bind+0x40/0x40
[  192.276594]  ret_from_fork+0x3a/0x50
[  192.280310] warn_alloc_show_mem: 1 callbacks suppressed
[  192.280322] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  192.280324] Mem-Info:
[  192.280355] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  192.280355]  active_file:17 inactive_file:15 isolated_file:0
[  192.280355]  unevictable:0 dirty:0 writeback:0 unstable:0
[  192.280355]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  192.280355]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  192.280355]  free:13630 free_pcp:175 free_cma:0
[  192.285687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  192.292964] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  192.295358] Call Trace:
[  192.328394] Node 0 
[  192.337736]  <IRQ>
[  192.365498] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  192.368062]  dump_stack+0x1c4/0x2b4
[  192.370272] lowmem_reserve[]:
[  192.372416]  ? dump_stack_print_info.cold.2+0x52/0x52
[  192.397900]  0
[  192.401520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  192.404596]  2819
[  192.409782]  warn_alloc.cold.119+0xb7/0x1bd
[  192.411552]  6323
[  192.417081]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  192.419115]  6323
[  192.423431]  ? lock_downgrade+0x900/0x900
[  192.430301]  ? trace_hardirqs_off+0xb8/0x310
[  192.432334] Node 0 
[  192.436471]  ? trace_hardirqs_off+0xb8/0x310
[  192.440888] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  192.443096]  __alloc_pages_slowpath+0x2667/0x2d80
[  192.447472] lowmem_reserve[]:
[  192.474450]  ? warn_alloc+0x120/0x120
[  192.479250]  0
[  192.482346]  ? trace_hardirqs_on+0x310/0x310
[  192.486115]  0
[  192.487912]  ? warn_alloc+0x120/0x120
[  192.492291]  3503
[  192.494084]  ? warn_alloc+0x120/0x120
[  192.497854]  3503
[  192.499905]  ? ktime_get+0x2e1/0x440
[  192.505731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  192.509417] Node 0 
[  192.514944]  ? check_preemption_disabled+0x48/0x200
[  192.514979] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  192.517179]  ? kasan_check_read+0x11/0x20
[  192.522165] lowmem_reserve[]:
[  192.550618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  192.554734]  0
[  192.557836]  ? should_fail+0x22d/0xd01
[  192.563341]  0
[  192.565137]  ? rcu_bh_qs+0xc0/0xc0
[  192.568996]  0
[  192.570792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  192.574302]  0
[  192.576100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  192.582962]  ? should_fail+0x22d/0xd01
[  192.588469] Node 0 DMA: 
[  192.592348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  192.592364]  ? should_fail+0x22d/0xd01
[  192.595011] 1*4kB 
[  192.600110]  ? rcu_idle_enter+0x4b0/0x4b0
[  192.603968] (U) 
[  192.606115]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  192.610233] 0*8kB 
[  192.612204]  ? mark_held_locks+0x130/0x130
[  192.617277] 0*16kB 
[  192.619417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  192.623625] 1*32kB 
[  192.625852]  ? mark_held_locks+0x130/0x130
[  192.631360] (U) 
[  192.633594]  ? rcu_irq_exit+0xce/0x100
[  192.637799] 2*64kB 
[  192.639776]  ? irq_exit+0xbd/0x1c0
[  192.643642] (U) 
[  192.645874]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  192.649387] 1*128kB 
[  192.651354]  ? do_raw_spin_unlock+0xa7/0x2f0
[  192.656339] (U) 
[  192.658667]  ? smp_call_function_single_interrupt+0x650/0x650
[  192.663072] 1*256kB 
[  192.665053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  192.670913] (U) 
[  192.673231]  ? ret_from_intr+0xb/0x1e
[  192.678743] 0*512kB 
[  192.680711]  ? retint_kernel+0x2d/0x2d
[  192.684518] 1*1024kB 
[  192.686864]  ? trace_hardirqs_on_caller+0xc0/0x310
[  192.690727] (U) 
[  192.693133]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  192.698048] 1*2048kB 
[  192.700027]  ? trace_hardirqs_off+0x310/0x310
[  192.704765] (M) 
[  192.707169]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  192.711636] 3*4096kB 
[  192.713607]  __alloc_pages_nodemask+0xa80/0xde0
[  192.718678] (M) 
[  192.721103]  ? should_fail+0x22d/0xd01
[  192.725746] = 15908kB
[  192.727714]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  192.731571] Node 0 
[  192.733983]  ? ____cache_alloc_node+0x1c7/0x1e0
[  192.738958] DMA32: 
[  192.741186]  ? lock_downgrade+0x900/0x900
[  192.745823] 3*4kB 
[  192.748058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  192.752177] (ME) 
[  192.754318]  cache_grow_begin+0x91/0x8c0
[  192.759824] 2*8kB 
[  192.761879]  ? do_raw_spin_unlock+0xa7/0x2f0
[  192.765911] (ME) 
[  192.768061]  fallback_alloc+0x203/0x2e0
[  192.772438] 4*16kB 
[  192.774494]  ____cache_alloc_node+0x1c7/0x1e0
[  192.778437] (UME) 
[  192.780665]  kmem_cache_alloc_node+0xe3/0x730
[  192.785139] 3*32kB 
[  192.787281]  ? ipv6_get_ifaddr+0x42e/0x620
[  192.791752] (ME) 
[  192.793980]  __alloc_skb+0x119/0x770
[  192.798190] 5*64kB 
[  192.800245]  ? skb_scrub_packet+0x490/0x490
[  192.803933] (ME) 
[  192.806161]  ? lock_downgrade+0x900/0x900
[  192.810453] 5*128kB 
[  192.812507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  192.816626] (UME) 
[  192.818940]  ? refcount_sub_and_test_checked+0x203/0x310
[  192.824446] 5*256kB 
[  192.826590]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  192.832010] (UME) 
[  192.834333]  ? addrconf_rs_timer+0x690/0x690
[  192.839754] 4*512kB 
[  192.841894]  ndisc_alloc_skb+0x144/0x340
[  192.846272] (ME) 
[  192.848589]  ndisc_send_rs+0x331/0x6e0
[  192.852622] 4*1024kB 
[  192.854675]  addrconf_rs_timer+0x314/0x690
[  192.858542] (UME) 
[  192.860946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  192.865154] 2*2048kB 
[  192.867301]  call_timer_fn+0x272/0x920
[  192.871504] (ME) 
[  192.873906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  192.877768] 3*4096kB 
[  192.879820]  ? process_timeout+0x40/0x40
[  192.884037] (M) 
[  192.886438]  ? trace_hardirqs_off+0xb8/0x310
[  192.890474] = 24956kB
[  192.892440]  ? kasan_check_read+0x11/0x20
[  192.896822] Node 0 
[  192.899229]  ? do_raw_spin_unlock+0xa7/0x2f0
[  192.903349] Normal: 
[  192.905575]  ? trace_hardirqs_on+0x310/0x310
[  192.909957] 1016*4kB 
[  192.912270]  ? __run_timers+0x7da/0xc70
[  192.916650] (UME) 
[  192.919061]  ? lock_downgrade+0x900/0x900
[  192.923006] 447*8kB 
[  192.925158]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  192.929273] (ME) 
[  192.931588]  ? trace_hardirqs_on+0xbd/0x310
[  192.936660] 188*16kB 
[  192.938714]  ? kasan_check_read+0x11/0x20
[  192.943009] (UME) 
[  192.945419]  ? __run_timers+0x7da/0xc70
[  192.949540] 54*32kB 
[  192.951684]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  192.955632] (UME) 
[  192.957945]  ? kasan_check_write+0x14/0x20
[  192.963371] 20*64kB 
[  192.965511]  ? do_raw_spin_lock+0xc1/0x200
[  192.969718] (UM) 
[  192.972039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  192.976250] 0*128kB 
[  192.978309]  __run_timers+0x7e5/0xc70
[  192.982515] 0*256kB 
[  192.984839]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  192.988604] 0*512kB 
[  192.990918]  ? lock_acquire+0x1ed/0x520
[  192.996255] 0*1024kB 
[  192.998574]  ? __hrtimer_run_queues+0x488/0x10d0
[  193.002522] 0*2048kB 
[  193.004926]  ? lock_release+0x970/0x970
[  193.009654] 0*4096kB 
[  193.012059]  ? trace_hardirqs_off+0xb8/0x310
[  193.016003] = 13656kB
[  193.018411]  ? do_raw_spin_unlock+0xa7/0x2f0
[  193.022796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  193.025193]  ? kasan_check_write+0x14/0x20
[  193.029581] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  193.038400]  ? pvclock_read_flags+0x160/0x160
[  193.042619] 4246 total pagecache pages
[  193.051183]  ? lock_downgrade+0x900/0x900
[  193.055647] 0 pages in swap cache
[  193.059529]  ? trace_hardirqs_on+0xbd/0x310
[  193.063658] Swap cache stats: add 0, delete 0, find 0/0
[  193.067108]  ? kvm_sched_clock_read+0x9/0x20
[  193.071401] Free swap  = 0kB
[  193.076757]  ? irq_exit+0x17f/0x1c0
[  193.081136] Total swap = 0kB
[  193.084149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.087747] 1965979 pages RAM
[  193.090755]  ? check_preemption_disabled+0x48/0x200
[  193.096267] 0 pages HighMem/MovableOnly
[  193.099364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.104847] 342307 pages reserved
[  193.108818]  run_timer_softirq+0x52/0xb0
[  193.114323] 0 pages cma reserved
[  193.117769]  ? __this_cpu_preempt_check+0x1c/0x1f
[  193.121869] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  193.125157]  __do_softirq+0x30b/0xad8
[  193.125175]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  193.130054] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  193.136480]  ? pvclock_read_flags+0x160/0x160
[  193.140249] ksoftirqd/0 cpuset=
[  193.145342]  ? lapic_next_event+0x5a/0x90
[  193.155623] /
[  193.160118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.163371]  mems_allowed=0
[  193.167519]  ? clockevents_program_event+0x140/0x370
[  193.182750]  ? kvm_clock_read+0x18/0x30
[  193.186724]  ? kvm_sched_clock_read+0x9/0x20
[  193.191134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.196671]  ? check_preemption_disabled+0x48/0x200
[  193.201691]  irq_exit+0x17f/0x1c0
[  193.205141]  smp_apic_timer_interrupt+0x1cb/0x760
[  193.209980]  ? smp_reschedule_interrupt+0x109/0x650
[  193.214996]  ? smp_call_function_single_interrupt+0x650/0x650
[  193.220884]  ? interrupt_entry+0xb5/0xf0
[  193.224941]  ? trace_hardirqs_off_caller+0xbb/0x310
[  193.229954]  ? trace_hardirqs_off_caller+0xbb/0x310
[  193.234971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  193.239811]  ? trace_hardirqs_on_caller+0x310/0x310
[  193.244821]  ? trace_hardirqs_on_caller+0x310/0x310
[  193.249833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.255370]  ? check_preemption_disabled+0x48/0x200
[  193.260388]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  193.265234]  apic_timer_interrupt+0xf/0x20
[  193.269457]  </IRQ>
[  193.271694] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  193.276621] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  193.295606] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  193.303314] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  193.310576] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  193.317840] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  193.325102] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  193.332365] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  193.339645]  ? trace_hardirqs_on+0xb4/0x310
[  193.343975]  skb_clone+0x1bb/0x500
[  193.347513]  ? skb_split+0x11e0/0x11e0
[  193.351404]  ? preempt_notifier_register+0x200/0x200
[  193.356512]  ? __switch_to_asm+0x34/0x70
[  193.360581]  ? __switch_to_asm+0x34/0x70
[  193.364645]  ? __switch_to_asm+0x40/0x70
[  193.368705]  ? __switch_to_asm+0x34/0x70
[  193.372765]  ? __switch_to_asm+0x40/0x70
[  193.376824]  ? __switch_to_asm+0x40/0x70
[  193.380880]  ? __switch_to_asm+0x34/0x70
[  193.384942]  ? __switch_to_asm+0x34/0x70
[  193.389003]  ? __switch_to_asm+0x40/0x70
[  193.393070]  ? __switch_to_asm+0x34/0x70
[  193.397138]  bpf_clone_redirect+0xb9/0x490
[  193.401376]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  193.406390]  ? __sched_text_start+0x8/0x8
[  193.410540]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  193.415296]  ? retint_kernel+0x2d/0x2d
[  193.419185]  ? trace_hardirqs_on_caller+0xc0/0x310
[  193.424119]  ? rcu_gp_kthread+0x2310/0x2310
[  193.428436]  ? trace_hardirqs_off+0x310/0x310
[  193.432933]  ? lock_acquire+0x1ed/0x520
[  193.436906]  ? bpf_test_run+0x3cb/0x780
[  193.440876]  ? lock_downgrade+0x900/0x900
[  193.445034]  ? lock_release+0x970/0x970
[  193.449011]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  193.454813]  ? preempt_schedule_common+0x1f/0xd0
[  193.459563]  ? preempt_schedule+0x4d/0x60
[  193.463708]  ? ___preempt_schedule+0x16/0x18
[  193.468116]  ? bpf_test_run+0x25d/0x780
[  193.472092]  ? netlink_diag_dump+0x2a0/0x2a0
[  193.476501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  193.482042]  ? bpf_test_init.isra.9+0x70/0x100
[  193.486623]  ? bpf_prog_test_run_skb+0x634/0xb40
[  193.491383]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  193.496220]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  193.501752]  ? fput+0x130/0x1a0
[  193.505040]  ? __bpf_prog_get+0x9b/0x290
[  193.509103]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  193.513939]  ? bpf_prog_test_run+0x130/0x1a0
[  193.518344]  ? __x64_sys_bpf+0x3d8/0x510
[  193.522399]  ? bpf_prog_get+0x20/0x20
[  193.526209]  ? do_syscall_64+0x1b9/0x820
[  193.530271]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  193.535632]  ? syscall_return_slowpath+0x5e0/0x5e0
[  193.540573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  193.545430]  ? trace_hardirqs_on_caller+0x310/0x310
[  193.550443]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  193.555460]  ? prepare_exit_to_usermode+0x291/0x3b0
[  193.560480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  193.565325]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  193.570695] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  193.570748] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  193.577556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  193.577560] Call Trace:
[  193.577578]  dump_stack+0x1c4/0x2b4
[  193.577595]  ? dump_stack_print_info.cold.2+0x52/0x52
[  193.584138] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  193.593421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.595980] syz-executor4 cpuset=
[  193.599599]  warn_alloc.cold.119+0xb7/0x1bd
[  193.604760] syz4
[  193.615238]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  193.620747]  mems_allowed=0
[  193.624193]  ? lock_downgrade+0x900/0x900
[  193.642316]  ? trace_hardirqs_off+0xb8/0x310
[  193.646729]  ? trace_hardirqs_off+0xb8/0x310
[  193.651144]  __alloc_pages_slowpath+0x2667/0x2d80
[  193.655994]  ? mark_held_locks+0x130/0x130
[  193.660239]  ? warn_alloc+0x120/0x120
[  193.664052]  ? warn_alloc+0x120/0x120
[  193.667855]  ? warn_alloc+0x120/0x120
[  193.671655]  ? mark_held_locks+0x130/0x130
[  193.675887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.681419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  193.686974]  ? should_fail+0x22d/0xd01
[  193.690863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  193.695961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  193.701493]  ? should_fail+0x22d/0xd01
[  193.705380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  193.710483]  ? should_fail+0x22d/0xd01
[  193.714375]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  193.719476]  ? mark_held_locks+0x130/0x130
[  193.723712]  ? mark_held_locks+0x130/0x130
[  193.727945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.733482]  ? trace_hardirqs_off+0xb8/0x310
[  193.737884]  ? kasan_check_read+0x11/0x20
[  193.742053]  ? do_raw_spin_unlock+0xa7/0x2f0
[  193.746461]  ? trace_hardirqs_on+0x310/0x310
[  193.750863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.756397]  ? wq_watchdog_touch+0x9c/0xfe
[  193.760634]  ? io_serial_in+0x11/0x90
[  193.764433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.769978]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  193.775088]  __alloc_pages_nodemask+0xa80/0xde0
[  193.779756]  ? should_fail+0x22d/0xd01
[  193.783649]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  193.788722]  ? ____cache_alloc_node+0x1c7/0x1e0
[  193.793389]  ? lock_downgrade+0x900/0x900
[  193.797536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.803074]  cache_grow_begin+0x91/0x8c0
[  193.807137]  ? do_raw_spin_unlock+0xa7/0x2f0
[  193.811545]  fallback_alloc+0x203/0x2e0
[  193.815522]  ____cache_alloc_node+0x1c7/0x1e0
[  193.820019]  kmem_cache_alloc_node+0xe3/0x730
[  193.824526]  ? ipv6_get_ifaddr+0x42e/0x620
[  193.828776]  __alloc_skb+0x119/0x770
[  193.832491]  ? skb_scrub_packet+0x490/0x490
[  193.836808]  ? lock_downgrade+0x900/0x900
[  193.840960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  193.846499]  ? refcount_sub_and_test_checked+0x203/0x310
[  193.851952]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  193.857397]  ? addrconf_rs_timer+0x690/0x690
[  193.861808]  ndisc_alloc_skb+0x144/0x340
[  193.865884]  ndisc_send_rs+0x331/0x6e0
[  193.869772]  addrconf_rs_timer+0x314/0x690
[  193.874001]  ? lock_release+0x970/0x970
[  193.877984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  193.882228]  call_timer_fn+0x272/0x920
[  193.886111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  193.890344]  ? process_timeout+0x40/0x40
[  193.894398]  ? kasan_check_read+0x11/0x20
[  193.898544]  ? do_raw_spin_unlock+0xa7/0x2f0
[  193.902955]  ? trace_hardirqs_on+0x310/0x310
[  193.907362]  ? __run_timers+0x7da/0xc70
[  193.911335]  ? lock_downgrade+0x900/0x900
[  193.915483]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  193.920581]  ? trace_hardirqs_on+0xbd/0x310
[  193.924895]  ? kasan_check_read+0x11/0x20
[  193.929052]  ? __run_timers+0x7da/0xc70
[  193.933041]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  193.938488]  ? kasan_check_write+0x14/0x20
[  193.942718]  ? do_raw_spin_lock+0xc1/0x200
[  193.946952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  193.951187]  __run_timers+0x7e5/0xc70
[  193.954995]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  193.960363]  ? lock_downgrade+0x900/0x900
[  193.964511]  ? finish_task_switch+0x1b5/0x900
[  193.969005]  ? trace_hardirqs_on+0xbd/0x310
[  193.973332]  ? kasan_check_read+0x11/0x20
[  193.977477]  ? finish_task_switch+0x1f5/0x900
[  193.981972]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  193.987416]  ? compat_start_thread+0x80/0x80
[  193.991835]  ? pvclock_read_flags+0x160/0x160
[  193.996327]  ? __switch_to_asm+0x34/0x70
[  194.000383]  ? __switch_to_asm+0x34/0x70
[  194.004438]  ? __switch_to_asm+0x40/0x70
[  194.008496]  ? __switch_to_asm+0x40/0x70
[  194.012553]  ? __switch_to_asm+0x34/0x70
[  194.016608]  ? __switch_to_asm+0x40/0x70
[  194.020672]  ? trace_hardirqs_on+0xbd/0x310
[  194.024994]  ? kvm_sched_clock_read+0x9/0x20
[  194.029405]  ? run_ksoftirqd+0x94/0x100
[  194.033376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  194.038912]  ? check_preemption_disabled+0x48/0x200
[  194.043922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  194.049460]  run_timer_softirq+0x52/0xb0
[  194.053518]  ? __this_cpu_preempt_check+0x1c/0x1f
[  194.058361]  __do_softirq+0x30b/0xad8
[  194.062168]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  194.067267]  ? trace_hardirqs_off+0x310/0x310
[  194.071761]  ? retint_kernel+0x1b/0x2d
[  194.075647]  ? schedule+0x108/0x460
[  194.079277]  ? trace_hardirqs_off+0xb8/0x310
[  194.083683]  ? smpboot_thread_fn+0x68b/0xa00
[  194.088088]  ? trace_hardirqs_on+0x310/0x310
[  194.092497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  194.098042]  ? check_preemption_disabled+0x48/0x200
[  194.103564]  ? takeover_tasklets+0xa90/0xa90
[  194.107973]  run_ksoftirqd+0x94/0x100
[  194.111769]  smpboot_thread_fn+0x68b/0xa00
[  194.116001]  ? sort_range+0x30/0x30
[  194.119641]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  194.124740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  194.130277]  ? __kthread_parkme+0xfb/0x1a0
[  194.134535]  kthread+0x35a/0x420
[  194.137901]  ? sort_range+0x30/0x30
[  194.141529]  ? kthread_bind+0x40/0x40
[  194.145331]  ret_from_fork+0x3a/0x50
[  194.149058] warn_alloc_show_mem: 1 callbacks suppressed
[  194.149070] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  194.149072] Mem-Info:
[  194.149102] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  194.149102]  active_file:17 inactive_file:15 isolated_file:0
[  194.149102]  unevictable:0 dirty:0 writeback:0 unstable:0
[  194.149102]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  194.149102]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  194.149102]  free:13630 free_pcp:175 free_cma:0
[  194.154442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  194.161721] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  194.164118] Call Trace:
[  194.197166] Node 0 
[  194.206514]  <IRQ>
[  194.234276] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  194.236834]  dump_stack+0x1c4/0x2b4
[  194.239053] lowmem_reserve[]:
[  194.241197]  ? dump_stack_print_info.cold.2+0x52/0x52
[  194.266673]  0
[  194.270295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  194.273368]  2819
[  194.278554]  warn_alloc.cold.119+0xb7/0x1bd
[  194.280319]  6323
[  194.285846]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  194.287879]  6323
[  194.292190]  ? lock_downgrade+0x900/0x900
[  194.299062]  ? trace_hardirqs_off+0xb8/0x310
[  194.301096] Node 0 
[  194.305238]  ? trace_hardirqs_off+0xb8/0x310
[  194.309646] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  194.311852]  __alloc_pages_slowpath+0x2667/0x2d80
[  194.316228] lowmem_reserve[]:
[  194.343208]  ? warn_alloc+0x120/0x120
[  194.348008]  0
[  194.351111]  ? trace_hardirqs_on+0x310/0x310
[  194.354880]  0
[  194.356675]  ? warn_alloc+0x120/0x120
[  194.361059]  3503
[  194.362855]  ? warn_alloc+0x120/0x120
[  194.366627]  3503
[  194.368685]  ? ktime_get+0x2e1/0x440
[  194.374511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  194.378194] Node 0 
[  194.383718]  ? check_preemption_disabled+0x48/0x200
[  194.383753] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  194.385958]  ? kasan_check_read+0x11/0x20
[  194.390945] lowmem_reserve[]:
[  194.419391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  194.423513]  0
[  194.426614]  ? should_fail+0x22d/0xd01
[  194.432121]  0
[  194.433916]  ? rcu_bh_qs+0xc0/0xc0
[  194.437771]  0
[  194.439565]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  194.443075]  0
[  194.444870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  194.451744]  ? should_fail+0x22d/0xd01
[  194.457254] Node 0 DMA: 
[  194.461132]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  194.461148]  ? should_fail+0x22d/0xd01
[  194.463799] 1*4kB 
[  194.468894]  ? rcu_idle_enter+0x4b0/0x4b0
[  194.472755] (U) 
[  194.474897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  194.479017] 0*8kB 
[  194.480991]  ? mark_held_locks+0x130/0x130
[  194.486064] 0*16kB 
[  194.488208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  194.492412] 1*32kB 
[  194.494638]  ? mark_held_locks+0x130/0x130
[  194.500148] (U) 
[  194.502377]  ? rcu_irq_exit+0xce/0x100
[  194.506582] 2*64kB 
[  194.508550]  ? irq_exit+0xbd/0x1c0
[  194.512405] (U) 
[  194.514637]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  194.518156] 1*128kB 
[  194.520124]  ? do_raw_spin_unlock+0xa7/0x2f0
[  194.525112] (U) 
[  194.527425]  ? smp_call_function_single_interrupt+0x650/0x650
[  194.531808] 1*256kB 
[  194.533776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  194.539634] (U) 
[  194.541964]  ? ret_from_intr+0xb/0x1e
[  194.547485] 0*512kB 
[  194.549452]  ? retint_kernel+0x2d/0x2d
[  194.553222] 1*1024kB 
[  194.555573]  ? trace_hardirqs_on_caller+0xc0/0x310
[  194.559443] (U) 
[  194.561846]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  194.566745] 1*2048kB 
[  194.568713]  ? trace_hardirqs_off+0x310/0x310
[  194.573444] (M) 
[  194.575862]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  194.580326] 3*4096kB 
[  194.582297]  __alloc_pages_nodemask+0xa80/0xde0
[  194.587368] (M) 
[  194.589770]  ? should_fail+0x22d/0xd01
[  194.594413] = 15908kB
[  194.596383]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  194.600239] Node 0 
[  194.602650]  ? ____cache_alloc_node+0x1c7/0x1e0
[  194.607625] DMA32: 
[  194.609854]  ? lock_downgrade+0x900/0x900
[  194.614496] 3*4kB 
[  194.616722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  194.620838] (ME) 
[  194.622983]  cache_grow_begin+0x91/0x8c0
[  194.628491] 2*8kB 
[  194.630550]  ? do_raw_spin_unlock+0xa7/0x2f0
[  194.634580] (ME) 
[  194.636724]  fallback_alloc+0x203/0x2e0
[  194.641103] 4*16kB 
[  194.643157]  ____cache_alloc_node+0x1c7/0x1e0
[  194.647101] (UME) 
[  194.649332]  kmem_cache_alloc_node+0xe3/0x730
[  194.653796] 3*32kB 
[  194.655935]  ? ipv6_get_ifaddr+0x42e/0x620
[  194.660403] (ME) 
[  194.662630]  __alloc_skb+0x119/0x770
[  194.666834] 5*64kB 
[  194.668885]  ? skb_scrub_packet+0x490/0x490
[  194.672576] (ME) 
[  194.674804]  ? lock_downgrade+0x900/0x900
[  194.679102] 5*128kB 
[  194.681157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  194.685272] (UME) 
[  194.687587]  ? refcount_sub_and_test_checked+0x203/0x310
[  194.693094] 5*256kB 
[  194.695237]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  194.700656] (UME) 
[  194.702968]  ? addrconf_rs_timer+0x690/0x690
[  194.708389] 4*512kB 
[  194.710529]  ndisc_alloc_skb+0x144/0x340
[  194.714907] (ME) 
[  194.717224]  ndisc_send_rs+0x331/0x6e0
[  194.721256] 4*1024kB 
[  194.723307]  addrconf_rs_timer+0x314/0x690
[  194.727165] (UME) 
[  194.729567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  194.733778] 2*2048kB 
[  194.735922]  call_timer_fn+0x272/0x920
[  194.740123] (ME) 
[  194.742527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  194.746405] 3*4096kB 
[  194.748461]  ? process_timeout+0x40/0x40
[  194.752668] (M) 
[  194.755071]  ? trace_hardirqs_off+0xb8/0x310
[  194.759103] = 24956kB
[  194.761069]  ? kasan_check_read+0x11/0x20
[  194.765448] Node 0 
[  194.767852]  ? do_raw_spin_unlock+0xa7/0x2f0
[  194.771972] Normal: 
[  194.774203]  ? trace_hardirqs_on+0x310/0x310
[  194.778584] 1016*4kB 
[  194.780901]  ? __run_timers+0x7da/0xc70
[  194.785279] (UME) 
[  194.787681]  ? lock_downgrade+0x900/0x900
[  194.791629] 447*8kB 
[  194.793770]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  194.797890] (ME) 
[  194.800204]  ? trace_hardirqs_on+0xbd/0x310
[  194.805279] 188*16kB 
[  194.807330]  ? kasan_check_read+0x11/0x20
[  194.811627] (UME) 
[  194.814041]  ? __run_timers+0x7da/0xc70
[  194.818162] 54*32kB 
[  194.820303]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  194.824245] (UME) 
[  194.826565]  ? kasan_check_write+0x14/0x20
[  194.831987] 20*64kB 
[  194.834142]  ? do_raw_spin_lock+0xc1/0x200
[  194.838345] (UM) 
[  194.840661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  194.844871] 0*128kB 
[  194.846928]  __run_timers+0x7e5/0xc70
[  194.851132] 0*256kB 
[  194.853453]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  194.857222] 0*512kB 
[  194.859541]  ? lock_acquire+0x1ed/0x520
[  194.864875] 0*1024kB 
[  194.867190]  ? __hrtimer_run_queues+0x488/0x10d0
[  194.871136] 0*2048kB 
[  194.873546]  ? lock_release+0x970/0x970
[  194.878267] 0*4096kB 
[  194.880668]  ? trace_hardirqs_off+0xb8/0x310
[  194.884617] = 13656kB
[  194.887019]  ? do_raw_spin_unlock+0xa7/0x2f0
[  194.891415] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  194.893808]  ? kasan_check_write+0x14/0x20
[  194.898192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  194.907016]  ? pvclock_read_flags+0x160/0x160
[  194.911235] 4246 total pagecache pages
[  194.919798]  ? lock_downgrade+0x900/0x900
[  194.924264] 0 pages in swap cache
[  194.928147]  ? trace_hardirqs_on+0xbd/0x310
[  194.932272] Swap cache stats: add 0, delete 0, find 0/0
[  194.935717]  ? kvm_sched_clock_read+0x9/0x20
[  194.940006] Free swap  = 0kB
[  194.945369]  ? irq_exit+0x17f/0x1c0
[  194.949755] Total swap = 0kB
[  194.952771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  194.956373] 1965979 pages RAM
[  194.959382]  ? check_preemption_disabled+0x48/0x200
[  194.964889] 0 pages HighMem/MovableOnly
[  194.967986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  194.972973] 342307 pages reserved
[  194.976940]  run_timer_softirq+0x52/0xb0
[  194.982448] 0 pages cma reserved
[  194.985891]  ? __this_cpu_preempt_check+0x1c/0x1f
[  194.989980] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  194.993285]  __do_softirq+0x30b/0xad8
[  194.998197] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  195.004586]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  195.008362] ksoftirqd/0 cpuset=
[  195.018661]  ? pvclock_read_flags+0x160/0x160
[  195.023737] /
[  195.027009]  ? lapic_next_event+0x5a/0x90
[  195.031485]  mems_allowed=0
[  195.033195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.045756]  ? clockevents_program_event+0x140/0x370
[  195.050864]  ? kvm_clock_read+0x18/0x30
[  195.054835]  ? kvm_sched_clock_read+0x9/0x20
[  195.059239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.064770]  ? check_preemption_disabled+0x48/0x200
[  195.069792]  irq_exit+0x17f/0x1c0
[  195.073241]  smp_apic_timer_interrupt+0x1cb/0x760
[  195.078077]  ? smp_reschedule_interrupt+0x109/0x650
[  195.083093]  ? smp_call_function_single_interrupt+0x650/0x650
[  195.088976]  ? interrupt_entry+0xb5/0xf0
[  195.093046]  ? trace_hardirqs_off_caller+0xbb/0x310
[  195.098062]  ? trace_hardirqs_off_caller+0xbb/0x310
[  195.103080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  195.107923]  ? trace_hardirqs_on_caller+0x310/0x310
[  195.112933]  ? trace_hardirqs_on_caller+0x310/0x310
[  195.117947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.123479]  ? check_preemption_disabled+0x48/0x200
[  195.128495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  195.133343]  apic_timer_interrupt+0xf/0x20
[  195.137570]  </IRQ>
[  195.139808] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  195.144737] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  195.163631] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  195.171339] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  195.178601] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  195.185864] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  195.193127] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  195.200394] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  195.207676]  ? trace_hardirqs_on+0xb4/0x310
[  195.212008]  skb_clone+0x1bb/0x500
[  195.215560]  ? skb_split+0x11e0/0x11e0
[  195.219452]  ? preempt_notifier_register+0x200/0x200
[  195.224559]  ? __switch_to_asm+0x34/0x70
[  195.228621]  ? __switch_to_asm+0x34/0x70
[  195.232676]  ? __switch_to_asm+0x40/0x70
[  195.236732]  ? __switch_to_asm+0x34/0x70
[  195.240791]  ? __switch_to_asm+0x40/0x70
[  195.244851]  ? __switch_to_asm+0x40/0x70
[  195.248911]  ? __switch_to_asm+0x34/0x70
[  195.252969]  ? __switch_to_asm+0x34/0x70
[  195.257050]  ? __switch_to_asm+0x40/0x70
[  195.261107]  ? __switch_to_asm+0x34/0x70
[  195.265170]  bpf_clone_redirect+0xb9/0x490
[  195.269408]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  195.274419]  ? __sched_text_start+0x8/0x8
[  195.278593]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  195.283344]  ? retint_kernel+0x2d/0x2d
[  195.287228]  ? trace_hardirqs_on_caller+0xc0/0x310
[  195.292160]  ? rcu_gp_kthread+0x2310/0x2310
[  195.296481]  ? trace_hardirqs_off+0x310/0x310
[  195.300981]  ? lock_acquire+0x1ed/0x520
[  195.304950]  ? bpf_test_run+0x3cb/0x780
[  195.308921]  ? lock_downgrade+0x900/0x900
[  195.313068]  ? lock_release+0x970/0x970
[  195.317047]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  195.322843]  ? preempt_schedule_common+0x1f/0xd0
[  195.327593]  ? preempt_schedule+0x4d/0x60
[  195.331739]  ? ___preempt_schedule+0x16/0x18
[  195.336145]  ? bpf_test_run+0x25d/0x780
[  195.340120]  ? netlink_diag_dump+0x2a0/0x2a0
[  195.344531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  195.350067]  ? bpf_test_init.isra.9+0x70/0x100
[  195.354649]  ? bpf_prog_test_run_skb+0x634/0xb40
[  195.359408]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  195.364248]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  195.369780]  ? fput+0x130/0x1a0
[  195.373061]  ? __bpf_prog_get+0x9b/0x290
[  195.377125]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  195.381965]  ? bpf_prog_test_run+0x130/0x1a0
[  195.386369]  ? __x64_sys_bpf+0x3d8/0x510
[  195.390430]  ? bpf_prog_get+0x20/0x20
[  195.394246]  ? do_syscall_64+0x1b9/0x820
[  195.398305]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  195.403671]  ? syscall_return_slowpath+0x5e0/0x5e0
[  195.408595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  195.413435]  ? trace_hardirqs_on_caller+0x310/0x310
[  195.418448]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  195.423463]  ? prepare_exit_to_usermode+0x291/0x3b0
[  195.428478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  195.433325]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  195.438700] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  195.438753] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  195.445531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  195.445535] Call Trace:
[  195.445554]  dump_stack+0x1c4/0x2b4
[  195.445574]  ? dump_stack_print_info.cold.2+0x52/0x52
[  195.452108] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  195.461401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.463961] syz-executor4 cpuset=
[  195.467585]  warn_alloc.cold.119+0xb7/0x1bd
[  195.472744] syz4
[  195.483222]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  195.488734]  mems_allowed=0
[  195.492192]  ? lock_downgrade+0x900/0x900
[  195.510320]  ? trace_hardirqs_off+0xb8/0x310
[  195.514726]  ? trace_hardirqs_off+0xb8/0x310
[  195.519139]  __alloc_pages_slowpath+0x2667/0x2d80
[  195.523990]  ? mark_held_locks+0x130/0x130
[  195.528223]  ? warn_alloc+0x120/0x120
[  195.532041]  ? warn_alloc+0x120/0x120
[  195.535844]  ? warn_alloc+0x120/0x120
[  195.539657]  ? mark_held_locks+0x130/0x130
[  195.543895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.549429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  195.554967]  ? should_fail+0x22d/0xd01
[  195.558856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  195.563957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  195.569503]  ? should_fail+0x22d/0xd01
[  195.573394]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  195.578494]  ? should_fail+0x22d/0xd01
[  195.582382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  195.587485]  ? mark_held_locks+0x130/0x130
[  195.591721]  ? mark_held_locks+0x130/0x130
[  195.595952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.601506]  ? mark_held_locks+0x130/0x130
[  195.605737]  ? trace_hardirqs_on+0x310/0x310
[  195.610148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.615700]  ? wq_watchdog_touch+0x9c/0xfe
[  195.619936]  ? io_serial_in+0x11/0x90
[  195.623736]  ? retint_kernel+0x2d/0x2d
[  195.627620]  ? trace_hardirqs_on_caller+0xc0/0x310
[  195.632546]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  195.637305]  ? trace_hardirqs_off+0x310/0x310
[  195.641797]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  195.646922]  __alloc_pages_nodemask+0xa80/0xde0
[  195.651592]  ? should_fail+0x22d/0xd01
[  195.655487]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  195.660519]  ? ____cache_alloc_node+0x1c7/0x1e0
[  195.665189]  ? lock_downgrade+0x900/0x900
[  195.669338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.674874]  cache_grow_begin+0x91/0x8c0
[  195.678935]  ? do_raw_spin_unlock+0xa7/0x2f0
[  195.683345]  fallback_alloc+0x203/0x2e0
[  195.687323]  ____cache_alloc_node+0x1c7/0x1e0
[  195.691822]  kmem_cache_alloc_node+0xe3/0x730
[  195.696313]  ? ipv6_get_ifaddr+0x42e/0x620
[  195.700550]  __alloc_skb+0x119/0x770
[  195.704263]  ? skb_scrub_packet+0x490/0x490
[  195.708580]  ? lock_downgrade+0x900/0x900
[  195.712736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.718274]  ? refcount_sub_and_test_checked+0x203/0x310
[  195.723726]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  195.729179]  ? addrconf_rs_timer+0x690/0x690
[  195.733589]  ndisc_alloc_skb+0x144/0x340
[  195.737648]  ndisc_send_rs+0x331/0x6e0
[  195.741533]  addrconf_rs_timer+0x314/0x690
[  195.745764]  ? lock_release+0x970/0x970
[  195.749737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  195.753996]  call_timer_fn+0x272/0x920
[  195.757904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  195.762137]  ? process_timeout+0x40/0x40
[  195.766192]  ? kasan_check_read+0x11/0x20
[  195.770335]  ? do_raw_spin_unlock+0xa7/0x2f0
[  195.774744]  ? trace_hardirqs_on+0x310/0x310
[  195.779154]  ? __run_timers+0x7da/0xc70
[  195.783127]  ? lock_downgrade+0x900/0x900
[  195.787276]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  195.792388]  ? trace_hardirqs_on+0xbd/0x310
[  195.796707]  ? kasan_check_read+0x11/0x20
[  195.800852]  ? __run_timers+0x7da/0xc70
[  195.804827]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  195.810281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.815818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  195.820060]  __run_timers+0x7e5/0xc70
[  195.823871]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  195.829238]  ? lock_downgrade+0x900/0x900
[  195.833391]  ? finish_task_switch+0x1b5/0x900
[  195.837889]  ? trace_hardirqs_on+0xbd/0x310
[  195.842207]  ? kasan_check_read+0x11/0x20
[  195.846354]  ? finish_task_switch+0x1f5/0x900
[  195.850849]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  195.856299]  ? compat_start_thread+0x80/0x80
[  195.860720]  ? pvclock_read_flags+0x160/0x160
[  195.865218]  ? __switch_to_asm+0x34/0x70
[  195.869277]  ? __switch_to_asm+0x34/0x70
[  195.873337]  ? __switch_to_asm+0x40/0x70
[  195.877401]  ? __switch_to_asm+0x40/0x70
[  195.881463]  ? __switch_to_asm+0x34/0x70
[  195.885528]  ? __switch_to_asm+0x40/0x70
[  195.889599]  ? trace_hardirqs_on+0xbd/0x310
[  195.893925]  ? kvm_sched_clock_read+0x9/0x20
[  195.898340]  ? run_ksoftirqd+0x94/0x100
[  195.902319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.907857]  ? check_preemption_disabled+0x48/0x200
[  195.912874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  195.918414]  run_timer_softirq+0x52/0xb0
[  195.922476]  ? __this_cpu_preempt_check+0x1c/0x1f
[  195.927331]  __do_softirq+0x30b/0xad8
[  195.931134]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  195.936235]  ? trace_hardirqs_off+0x310/0x310
[  195.940733]  ? retint_kernel+0x1b/0x2d
[  195.944627]  ? schedule+0x108/0x460
[  195.948259]  ? trace_hardirqs_off+0xb8/0x310
[  195.952675]  ? smpboot_thread_fn+0x68b/0xa00
[  195.957084]  ? trace_hardirqs_on+0x310/0x310
[  195.961493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  195.967043]  ? check_preemption_disabled+0x48/0x200
[  195.972073]  ? takeover_tasklets+0xa90/0xa90
[  195.976480]  run_ksoftirqd+0x94/0x100
[  195.980281]  smpboot_thread_fn+0x68b/0xa00
[  195.984514]  ? sort_range+0x30/0x30
[  195.988143]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  195.993266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  195.998803]  ? __kthread_parkme+0xfb/0x1a0
[  196.003052]  kthread+0x35a/0x420
[  196.006417]  ? sort_range+0x30/0x30
[  196.010051]  ? kthread_bind+0x40/0x40
[  196.013858]  ret_from_fork+0x3a/0x50
[  196.017576] warn_alloc_show_mem: 1 callbacks suppressed
[  196.017588] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  196.017590] Mem-Info:
[  196.017621] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  196.017621]  active_file:17 inactive_file:15 isolated_file:0
[  196.017621]  unevictable:0 dirty:0 writeback:0 unstable:0
[  196.017621]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  196.017621]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  196.017621]  free:13630 free_pcp:175 free_cma:0
[  196.022954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  196.030236] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  196.032639] Call Trace:
[  196.065694] Node 0 
[  196.075049]  <IRQ>
[  196.103323] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  196.105885]  dump_stack+0x1c4/0x2b4
[  196.108091] lowmem_reserve[]:
[  196.110240]  ? dump_stack_print_info.cold.2+0x52/0x52
[  196.135724]  0
[  196.139352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.142421]  2819
[  196.147606]  warn_alloc.cold.119+0xb7/0x1bd
[  196.149378]  6323
[  196.154912]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  196.156947]  6323
[  196.161262]  ? lock_downgrade+0x900/0x900
[  196.168127]  ? trace_hardirqs_off+0xb8/0x310
[  196.170162] Node 0 
[  196.174299]  ? trace_hardirqs_off+0xb8/0x310
[  196.178703] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  196.180905]  __alloc_pages_slowpath+0x2667/0x2d80
[  196.186245] lowmem_reserve[]:
[  196.213240]  ? warn_alloc+0x120/0x120
[  196.218055]  0
[  196.221157]  ? lock_release+0x970/0x970
[  196.224927]  0
[  196.226729]  ? warn_alloc+0x120/0x120
[  196.230669]  3503
[  196.232470]  ? trace_hardirqs_on+0x310/0x310
[  196.236364]  3503
[  196.238435]  ? warn_alloc+0x120/0x120
[  196.242813] Node 0 
[  196.244867]  ? mark_held_locks+0x130/0x130
[  196.248667] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  196.250884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.255090] lowmem_reserve[]:
[  196.283549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  196.289061]  0
[  196.292160]  ? should_fail+0x22d/0xd01
[  196.297660]  0 0
[  196.299466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  196.303325]  0
[  196.305314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  196.312187]  ? should_fail+0x22d/0xd01
[  196.317699] Node 0 DMA: 
[  196.321576]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  196.321592]  ? should_fail+0x22d/0xd01
[  196.324253] 1*4kB 
[  196.329350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  196.333206] (U) 
[  196.335351]  ? mark_held_locks+0x130/0x130
[  196.340430] 0*8kB 
[  196.342395]  ? mark_held_locks+0x130/0x130
[  196.346605] 0*16kB 
[  196.348750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.352958] 1*32kB 
[  196.355190]  ? mark_held_locks+0x130/0x130
[  196.360707] (U) 
[  196.362941]  ? trace_hardirqs_on+0x310/0x310
[  196.367150] 2*64kB 
[  196.369116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.373516] (U) 
[  196.375752]  ? wq_watchdog_touch+0x9c/0xfe
[  196.381262] 1*128kB 
[  196.383252]  ? io_serial_in+0x11/0x90
[  196.387459] (U) 
[  196.389780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.393566] 1*256kB 
[  196.395540]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  196.401052] (U) 
[  196.403374]  __alloc_pages_nodemask+0xa80/0xde0
[  196.408446] 0*512kB 
[  196.410413]  ? should_fail+0x22d/0xd01
[  196.415057] 1*1024kB 
[  196.417373]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  196.421258] (U) 
[  196.423673]  ? ____cache_alloc_node+0x1c7/0x1e0
[  196.428655] 1*2048kB 
[  196.430621]  ? lock_downgrade+0x900/0x900
[  196.435258] (M) 
[  196.437662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.441786] 3*4096kB 
[  196.443757]  cache_grow_begin+0x91/0x8c0
[  196.449263] (M) 
[  196.451669]  ? do_raw_spin_unlock+0xa7/0x2f0
[  196.455704] = 15908kB
[  196.457671]  fallback_alloc+0x203/0x2e0
[  196.462060] Node 0 
[  196.464463]  ____cache_alloc_node+0x1c7/0x1e0
[  196.468409] DMA32: 
[  196.470635]  kmem_cache_alloc_node+0xe3/0x730
[  196.475109] 3*4kB 
[  196.477336]  ? ipv6_get_ifaddr+0x42e/0x620
[  196.481803] (ME) 
[  196.483944]  __alloc_skb+0x119/0x770
[  196.488151] 2*8kB 
[  196.490207]  ? skb_scrub_packet+0x490/0x490
[  196.493893] (ME) 
[  196.496046]  ? lock_downgrade+0x900/0x900
[  196.500343] 4*16kB 
[  196.502396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.506515] (UME) 
[  196.508747]  ? refcount_sub_and_test_checked+0x203/0x310
[  196.514253] 3*32kB 
[  196.516394]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  196.521816] (ME) 
[  196.524055]  ? addrconf_rs_timer+0x690/0x690
[  196.529477] 5*64kB 
[  196.531531]  ndisc_alloc_skb+0x144/0x340
[  196.535908] (ME) 
[  196.538140]  ndisc_send_rs+0x331/0x6e0
[  196.542173] 5*128kB 
[  196.544226]  addrconf_rs_timer+0x314/0x690
[  196.548085] (UME) 
[  196.550398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  196.554611] 5*256kB 
[  196.556756]  call_timer_fn+0x272/0x920
[  196.560956] (UME) 
[  196.563275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  196.567134] 4*512kB 
[  196.569277]  ? process_timeout+0x40/0x40
[  196.573488] (ME) 
[  196.575803]  ? trace_hardirqs_off+0xb8/0x310
[  196.579838] 4*1024kB 
[  196.581894]  ? kasan_check_read+0x11/0x20
[  196.586290] (UME) 
[  196.588699]  ? do_raw_spin_unlock+0xa7/0x2f0
[  196.592818] 2*2048kB 
[  196.594962]  ? trace_hardirqs_on+0x310/0x310
[  196.599341] (ME) 
[  196.601743]  ? __run_timers+0x7da/0xc70
[  196.606121] 3*4096kB 
[  196.608173]  ? lock_downgrade+0x900/0x900
[  196.612121] (M) 
[  196.614529]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  196.618652] = 24956kB
[  196.620622]  ? trace_hardirqs_on+0xbd/0x310
[  196.625695] Node 0 
[  196.628096]  ? kasan_check_read+0x11/0x20
[  196.632404] Normal: 
[  196.634636]  ? __run_timers+0x7da/0xc70
[  196.638753] 1016*4kB 
[  196.641072]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  196.645016] (UME) 
[  196.647427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.652851] 447*8kB 
[  196.654991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  196.660496] (ME) 
[  196.662813]  __run_timers+0x7e5/0xc70
[  196.667018] 188*16kB 
[  196.669084]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  196.672850] (UME) 
[  196.675251]  ? lock_acquire+0x1ed/0x520
[  196.680584] 54*32kB 
[  196.682724]  ? __hrtimer_run_queues+0x488/0x10d0
[  196.686673] (UME) 
[  196.688987]  ? lock_release+0x970/0x970
[  196.693718] 20*64kB 
[  196.695857]  ? trace_hardirqs_off+0xb8/0x310
[  196.699804] (UM) 
[  196.702123]  ? do_raw_spin_unlock+0xa7/0x2f0
[  196.706505] 0*128kB 
[  196.708570]  ? kasan_check_write+0x14/0x20
[  196.712955] 0*256kB 
[  196.715268]  ? pvclock_read_flags+0x160/0x160
[  196.719474] 0*512kB 
[  196.721791]  ? lock_downgrade+0x900/0x900
[  196.726257] 0*1024kB 
[  196.728574]  ? trace_hardirqs_on+0xbd/0x310
[  196.732700] 0*2048kB 
[  196.735106]  ? kvm_sched_clock_read+0x9/0x20
[  196.739398] 0*4096kB 
[  196.741801]  ? irq_exit+0x17f/0x1c0
[  196.746181] = 13656kB
[  196.748583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.752191] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  196.754588]  ? check_preemption_disabled+0x48/0x200
[  196.760102] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  196.768925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.773910] 4246 total pagecache pages
[  196.782476]  run_timer_softirq+0x52/0xb0
[  196.787996] 0 pages in swap cache
[  196.791876]  ? __this_cpu_preempt_check+0x1c/0x1f
[  196.795912] Swap cache stats: add 0, delete 0, find 0/0
[  196.799354]  __do_softirq+0x30b/0xad8
[  196.804169] Free swap  = 0kB
[  196.809520]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  196.813294] Total swap = 0kB
[  196.816301]  ? pvclock_read_flags+0x160/0x160
[  196.821377] 1965979 pages RAM
[  196.824383]  ? lapic_next_event+0x5a/0x90
[  196.828854] 0 pages HighMem/MovableOnly
[  196.831948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.836066] 342307 pages reserved
[  196.840041]  ? clockevents_program_event+0x140/0x370
[  196.845550] 0 pages cma reserved
[  196.848997]  ? kvm_clock_read+0x18/0x30
[  196.854127] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  196.857428]  ? kvm_sched_clock_read+0x9/0x20
[  196.861419] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  196.867859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.872237] ksoftirqd/0 cpuset=
[  196.882542]  ? check_preemption_disabled+0x48/0x200
[  196.888056] /
[  196.891329]  irq_exit+0x17f/0x1c0
[  196.896315]  mems_allowed=0
[  196.898018]  smp_apic_timer_interrupt+0x1cb/0x760
[  196.909198]  ? smp_reschedule_interrupt+0x109/0x650
[  196.914210]  ? smp_call_function_single_interrupt+0x650/0x650
[  196.920091]  ? interrupt_entry+0xb5/0xf0
[  196.924149]  ? trace_hardirqs_off_caller+0xbb/0x310
[  196.929158]  ? trace_hardirqs_off_caller+0xbb/0x310
[  196.934170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  196.939010]  ? trace_hardirqs_on_caller+0x310/0x310
[  196.944040]  ? trace_hardirqs_on_caller+0x310/0x310
[  196.949065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  196.954596]  ? check_preemption_disabled+0x48/0x200
[  196.959612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  196.964459]  apic_timer_interrupt+0xf/0x20
[  196.968684]  </IRQ>
[  196.970924] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  196.975850] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  196.994750] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  197.002457] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  197.009720] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  197.016981] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  197.024250] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  197.031523] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  197.038823]  ? trace_hardirqs_on+0xb4/0x310
[  197.043179]  skb_clone+0x1bb/0x500
[  197.046719]  ? skb_split+0x11e0/0x11e0
[  197.050610]  ? preempt_notifier_register+0x200/0x200
[  197.055711]  ? __switch_to_asm+0x34/0x70
[  197.059769]  ? __switch_to_asm+0x34/0x70
[  197.063824]  ? __switch_to_asm+0x40/0x70
[  197.067880]  ? __switch_to_asm+0x34/0x70
[  197.071935]  ? __switch_to_asm+0x40/0x70
[  197.075992]  ? __switch_to_asm+0x40/0x70
[  197.080054]  ? __switch_to_asm+0x34/0x70
[  197.084113]  ? __switch_to_asm+0x34/0x70
[  197.088169]  ? __switch_to_asm+0x40/0x70
[  197.092224]  ? __switch_to_asm+0x34/0x70
[  197.096285]  bpf_clone_redirect+0xb9/0x490
[  197.100521]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  197.105544]  ? __sched_text_start+0x8/0x8
[  197.109690]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  197.114442]  ? retint_kernel+0x2d/0x2d
[  197.118327]  ? trace_hardirqs_on_caller+0xc0/0x310
[  197.123258]  ? rcu_gp_kthread+0x2310/0x2310
[  197.127574]  ? trace_hardirqs_off+0x310/0x310
[  197.132072]  ? lock_acquire+0x1ed/0x520
[  197.136053]  ? bpf_test_run+0x3cb/0x780
[  197.140032]  ? lock_downgrade+0x900/0x900
[  197.144179]  ? lock_release+0x970/0x970
[  197.148154]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  197.153950]  ? preempt_schedule_common+0x1f/0xd0
[  197.158703]  ? preempt_schedule+0x4d/0x60
[  197.162847]  ? ___preempt_schedule+0x16/0x18
[  197.167258]  ? bpf_test_run+0x25d/0x780
[  197.171238]  ? netlink_diag_dump+0x2a0/0x2a0
[  197.175651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  197.181187]  ? bpf_test_init.isra.9+0x70/0x100
[  197.185768]  ? bpf_prog_test_run_skb+0x634/0xb40
[  197.190528]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  197.195378]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  197.200916]  ? fput+0x130/0x1a0
[  197.204193]  ? __bpf_prog_get+0x9b/0x290
[  197.208260]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  197.213103]  ? bpf_prog_test_run+0x130/0x1a0
[  197.217507]  ? __x64_sys_bpf+0x3d8/0x510
[  197.221570]  ? bpf_prog_get+0x20/0x20
[  197.225383]  ? do_syscall_64+0x1b9/0x820
[  197.229444]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  197.234807]  ? syscall_return_slowpath+0x5e0/0x5e0
[  197.239732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  197.244578]  ? trace_hardirqs_on_caller+0x310/0x310
[  197.249595]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  197.254614]  ? prepare_exit_to_usermode+0x291/0x3b0
[  197.259628]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  197.264474]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  197.269851] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  197.269905] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  197.276687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  197.276691] Call Trace:
[  197.276725]  dump_stack+0x1c4/0x2b4
[  197.276771]  ? dump_stack_print_info.cold.2+0x52/0x52
[  197.283314] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  197.292593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.295152] syz-executor4 cpuset=
[  197.298772]  warn_alloc.cold.119+0xb7/0x1bd
[  197.303931] syz4
[  197.314409]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  197.319927]  mems_allowed=0
[  197.323370]  ? lock_downgrade+0x900/0x900
[  197.341493]  ? trace_hardirqs_off+0xb8/0x310
[  197.345900]  ? trace_hardirqs_off+0xb8/0x310
[  197.350311]  __alloc_pages_slowpath+0x2667/0x2d80
[  197.355162]  ? mark_held_locks+0x130/0x130
[  197.359395]  ? warn_alloc+0x120/0x120
[  197.363194]  ? warn_alloc+0x120/0x120
[  197.366997]  ? warn_alloc+0x120/0x120
[  197.370801]  ? mark_held_locks+0x130/0x130
[  197.375054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.380589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  197.386126]  ? should_fail+0x22d/0xd01
[  197.390032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  197.395136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  197.400669]  ? should_fail+0x22d/0xd01
[  197.404560]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  197.409658]  ? should_fail+0x22d/0xd01
[  197.413550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  197.418657]  ? mark_held_locks+0x130/0x130
[  197.422889]  ? mark_held_locks+0x130/0x130
[  197.427121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.432660]  ? trace_hardirqs_off+0xb8/0x310
[  197.437069]  ? kasan_check_read+0x11/0x20
[  197.441219]  ? do_raw_spin_unlock+0xa7/0x2f0
[  197.445640]  ? trace_hardirqs_on+0x310/0x310
[  197.450057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.455590]  ? wq_watchdog_touch+0x9c/0xfe
[  197.459829]  ? io_serial_in+0x11/0x90
[  197.463625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.469168]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  197.474275]  __alloc_pages_nodemask+0xa80/0xde0
[  197.478945]  ? should_fail+0x22d/0xd01
[  197.482833]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  197.487862]  ? ____cache_alloc_node+0x1c7/0x1e0
[  197.492532]  ? lock_downgrade+0x900/0x900
[  197.496682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.502233]  cache_grow_begin+0x91/0x8c0
[  197.506297]  ? do_raw_spin_unlock+0xa7/0x2f0
[  197.510706]  fallback_alloc+0x203/0x2e0
[  197.514682]  ____cache_alloc_node+0x1c7/0x1e0
[  197.519177]  kmem_cache_alloc_node+0xe3/0x730
[  197.523673]  ? ipv6_get_ifaddr+0x42e/0x620
[  197.527914]  __alloc_skb+0x119/0x770
[  197.531629]  ? skb_scrub_packet+0x490/0x490
[  197.535952]  ? lock_downgrade+0x900/0x900
[  197.540106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.545645]  ? refcount_sub_and_test_checked+0x203/0x310
[  197.551094]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  197.556541]  ? addrconf_rs_timer+0x690/0x690
[  197.560954]  ndisc_alloc_skb+0x144/0x340
[  197.565016]  ndisc_send_rs+0x331/0x6e0
[  197.568916]  addrconf_rs_timer+0x314/0x690
[  197.573155]  ? lock_release+0x970/0x970
[  197.577131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  197.581372]  call_timer_fn+0x272/0x920
[  197.585256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  197.589493]  ? process_timeout+0x40/0x40
[  197.593551]  ? kasan_check_read+0x11/0x20
[  197.597706]  ? do_raw_spin_unlock+0xa7/0x2f0
[  197.602114]  ? trace_hardirqs_on+0x310/0x310
[  197.606536]  ? __run_timers+0x7da/0xc70
[  197.610515]  ? lock_downgrade+0x900/0x900
[  197.614666]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  197.619793]  ? trace_hardirqs_on+0xbd/0x310
[  197.624118]  ? kasan_check_read+0x11/0x20
[  197.628265]  ? __run_timers+0x7da/0xc70
[  197.632244]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  197.637695]  ? kasan_check_write+0x14/0x20
[  197.641977]  ? do_raw_spin_lock+0xc1/0x200
[  197.646214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  197.650447]  __run_timers+0x7e5/0xc70
[  197.654259]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  197.659623]  ? lock_downgrade+0x900/0x900
[  197.663770]  ? finish_task_switch+0x1b5/0x900
[  197.668271]  ? trace_hardirqs_on+0xbd/0x310
[  197.672588]  ? kasan_check_read+0x11/0x20
[  197.676737]  ? finish_task_switch+0x1f5/0x900
[  197.681231]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  197.686681]  ? compat_start_thread+0x80/0x80
[  197.691098]  ? pvclock_read_flags+0x160/0x160
[  197.695592]  ? __switch_to_asm+0x34/0x70
[  197.699649]  ? __switch_to_asm+0x34/0x70
[  197.703706]  ? __switch_to_asm+0x40/0x70
[  197.707762]  ? __switch_to_asm+0x40/0x70
[  197.711818]  ? __switch_to_asm+0x34/0x70
[  197.715875]  ? __switch_to_asm+0x40/0x70
[  197.719936]  ? trace_hardirqs_on+0xbd/0x310
[  197.724256]  ? kvm_sched_clock_read+0x9/0x20
[  197.728683]  ? run_ksoftirqd+0x94/0x100
[  197.732656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.738189]  ? check_preemption_disabled+0x48/0x200
[  197.743205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.748747]  run_timer_softirq+0x52/0xb0
[  197.752805]  ? __this_cpu_preempt_check+0x1c/0x1f
[  197.757646]  __do_softirq+0x30b/0xad8
[  197.761451]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  197.766556]  ? trace_hardirqs_off+0x310/0x310
[  197.771058]  ? retint_kernel+0x1b/0x2d
[  197.774948]  ? schedule+0x108/0x460
[  197.778576]  ? trace_hardirqs_off+0xb8/0x310
[  197.782986]  ? smpboot_thread_fn+0x68b/0xa00
[  197.787394]  ? trace_hardirqs_on+0x310/0x310
[  197.791801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  197.797335]  ? check_preemption_disabled+0x48/0x200
[  197.802352]  ? takeover_tasklets+0xa90/0xa90
[  197.806765]  run_ksoftirqd+0x94/0x100
[  197.810564]  smpboot_thread_fn+0x68b/0xa00
[  197.814801]  ? sort_range+0x30/0x30
[  197.818430]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  197.823535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  197.829075]  ? __kthread_parkme+0xfb/0x1a0
[  197.833313]  kthread+0x35a/0x420
[  197.836677]  ? sort_range+0x30/0x30
[  197.840304]  ? kthread_bind+0x40/0x40
[  197.844108]  ret_from_fork+0x3a/0x50
[  197.847829] warn_alloc_show_mem: 1 callbacks suppressed
[  197.847841] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  197.847843] Mem-Info:
[  197.847874] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  197.847874]  active_file:17 inactive_file:15 isolated_file:0
[  197.847874]  unevictable:0 dirty:0 writeback:0 unstable:0
[  197.847874]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  197.847874]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  197.847874]  free:13630 free_pcp:175 free_cma:0
[  197.853262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  197.860536] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  197.862941] Call Trace:
[  197.895985] Node 0 
[  197.905339]  <IRQ>
[  197.933125] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  197.935683]  dump_stack+0x1c4/0x2b4
[  197.937887] lowmem_reserve[]:
[  197.940040]  ? dump_stack_print_info.cold.2+0x52/0x52
[  197.965523]  0 2819
[  197.969169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  197.972240]  6323
[  197.977439]  warn_alloc.cold.119+0xb7/0x1bd
[  197.979644]  6323
[  197.985176]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  197.991518]  ? lock_downgrade+0x900/0x900
[  197.993550] Node 0 
[  197.998390]  ? trace_hardirqs_off+0xb8/0x310
[  198.002540] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  198.004748]  ? trace_hardirqs_off+0xb8/0x310
[  198.009128] lowmem_reserve[]:
[  198.036106]  __alloc_pages_slowpath+0x2667/0x2d80
[  198.040481]  0
[  198.043585]  ? put_prev_task_fair+0x80/0x80
[  198.048391]  0
[  198.050185]  ? warn_alloc+0x120/0x120
[  198.054481]  3503
[  198.056275]  ? warn_alloc+0x120/0x120
[  198.060097]  3503
[  198.062154]  ? warn_alloc+0x120/0x120
[  198.067983]  ? mark_held_locks+0x130/0x130
[  198.071757] Node 0 Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  198.076012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.076037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  198.105560] lowmem_reserve[]: 0
[  198.111104]  ? should_fail+0x22d/0xd01
[  198.116613]  0
[  198.119883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  198.123738]  0
[  198.125534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  198.130605]  0
[  198.132398]  ? should_fail+0x22d/0xd01
[  198.139702]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  198.143559] Node 0 
[  198.148648]  ? should_fail+0x22d/0xd01
[  198.148657] DMA: 
[  198.150884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  198.154741] 1*4kB 
[  198.156794]  ? mark_held_locks+0x130/0x130
[  198.161870] (U) 
[  198.164011]  ? mark_held_locks+0x130/0x130
[  198.168220] 0*8kB 
[  198.170186]  ? try_to_wake_up+0x10a/0x12f0
[  198.174393] 0*16kB 
[  198.176565]  ? lock_downgrade+0x900/0x900
[  198.180775] 1*32kB 
[  198.182999]  ? lock_downgrade+0x900/0x900
[  198.187116] (U) 
[  198.189348]  ? trace_hardirqs_off+0xb8/0x310
[  198.193481] 2*64kB 
[  198.195452]  ? kasan_check_read+0x11/0x20
[  198.199833] (U) 
[  198.202069]  ? do_raw_spin_unlock+0xa7/0x2f0
[  198.206185] 1*128kB 
[  198.208151]  ? trace_hardirqs_on+0x310/0x310
[  198.212527] (U) 
[  198.214848]  ? rcu_read_lock+0x70/0x70
[  198.219226] 1*256kB 
[  198.221197]  ? kthread_data+0x58/0xc0
[  198.225056] (U) 
[  198.227377]  __alloc_pages_nodemask+0xa80/0xde0
[  198.231151] 0*512kB 
[  198.233126]  ? should_fail+0x22d/0xd01
[  198.237763] 1*1024kB (U) 
[  198.240093]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  198.243950] 1*2048kB 
[  198.246710]  ? ____cache_alloc_node+0x1c7/0x1e0
[  198.251687] (M) 
[  198.254086]  ? lock_downgrade+0x900/0x900
[  198.258727] 3*4096kB 
[  198.260695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.264812] (M) 
[  198.267220]  cache_grow_begin+0x91/0x8c0
[  198.272735] = 15908kB
[  198.274711]  ? do_raw_spin_unlock+0xa7/0x2f0
[  198.278738] Node 0 
[  198.281148]  fallback_alloc+0x203/0x2e0
[  198.285523] DMA32: 
[  198.287761]  ____cache_alloc_node+0x1c7/0x1e0
[  198.291705] 3*4kB 
[  198.293938]  kmem_cache_alloc_node+0xe3/0x730
[  198.298403] (ME) 
[  198.300553]  ? ipv6_get_ifaddr+0x42e/0x620
[  198.305014] 2*8kB 
[  198.307079]  __alloc_skb+0x119/0x770
[  198.311283] (ME) 
[  198.313428]  ? skb_scrub_packet+0x490/0x490
[  198.317113] 4*16kB 
[  198.319166]  ? lock_downgrade+0x900/0x900
[  198.323455] (UME) 
[  198.325684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.329804] 3*32kB 
[  198.331947]  ? refcount_sub_and_test_checked+0x203/0x310
[  198.337451] (ME) 
[  198.339679]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  198.345104] 5*64kB 
[  198.347158]  ? addrconf_rs_timer+0x690/0x690
[  198.352577] (ME) 
[  198.354808]  ndisc_alloc_skb+0x144/0x340
[  198.359185] 5*128kB 
[  198.361254]  ndisc_send_rs+0x331/0x6e0
[  198.365316] (UME) 
[  198.367634]  addrconf_rs_timer+0x314/0x690
[  198.371498] 5*256kB 
[  198.373641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  198.377849] (UME) 
[  198.380170]  call_timer_fn+0x272/0x920
[  198.384377] 4*512kB 
[  198.386516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  198.390379] (ME) 
[  198.392698]  ? process_timeout+0x40/0x40
[  198.396906] 4*1024kB 
[  198.398983]  ? trace_hardirqs_off+0xb8/0x310
[  198.403016] (UME) 
[  198.405424]  ? kasan_check_read+0x11/0x20
[  198.409808] 2*2048kB 
[  198.411953]  ? do_raw_spin_unlock+0xa7/0x2f0
[  198.416068] (ME) 
[  198.418470]  ? trace_hardirqs_on+0x310/0x310
[  198.422852] 3*4096kB 
[  198.424907]  ? __run_timers+0x7da/0xc70
[  198.429283] (M) 
[  198.431700]  ? lock_downgrade+0x900/0x900
[  198.435652] = 24956kB
[  198.437621]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  198.441742] Node 0 
[  198.444143]  ? trace_hardirqs_on+0xbd/0x310
[  198.449220] Normal: 
[  198.451450]  ? kasan_check_read+0x11/0x20
[  198.455742] 1016*4kB 
[  198.458063]  ? __run_timers+0x7da/0xc70
[  198.462179] (UME) 
[  198.464582]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  198.468526] 447*8kB 
[  198.470670]  ? kasan_check_write+0x14/0x20
[  198.476092] (ME) 
[  198.478411]  ? do_raw_spin_lock+0xc1/0x200
[  198.482615] 188*16kB 
[  198.484669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  198.488876] (UME) 
[  198.491280]  __run_timers+0x7e5/0xc70
[  198.495484] 54*32kB 
[  198.497632]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  198.501397] (UME) 
[  198.503710]  ? lock_acquire+0x1ed/0x520
[  198.509053] 20*64kB 
[  198.511196]  ? __hrtimer_run_queues+0x488/0x10d0
[  198.515146] (UM) 
[  198.517463]  ? lock_release+0x970/0x970
[  198.522194] 0*128kB 
[  198.524247]  ? trace_hardirqs_off+0xb8/0x310
[  198.528190] 0*256kB 
[  198.530503]  ? do_raw_spin_unlock+0xa7/0x2f0
[  198.534879] 0*512kB 
[  198.537194]  ? kasan_check_write+0x14/0x20
[  198.541578] 0*1024kB 
[  198.543894]  ? pvclock_read_flags+0x160/0x160
[  198.548109] 0*2048kB 
[  198.550509]  ? lock_downgrade+0x900/0x900
[  198.554977] 0*4096kB 
[  198.557381]  ? trace_hardirqs_on+0xbd/0x310
[  198.561502] = 13656kB
[  198.563904]  ? kvm_sched_clock_read+0x9/0x20
[  198.568201] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  198.570599]  ? irq_exit+0x17f/0x1c0
[  198.574984] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  198.583808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.587407] 4246 total pagecache pages
[  198.595973]  ? check_preemption_disabled+0x48/0x200
[  198.601484] 0 pages in swap cache
[  198.605362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.610354] Swap cache stats: add 0, delete 0, find 0/0
[  198.613794]  run_timer_softirq+0x52/0xb0
[  198.619302] Free swap  = 0kB
[  198.624656]  ? __this_cpu_preempt_check+0x1c/0x1f
[  198.628692] Total swap = 0kB
[  198.631699]  __do_softirq+0x30b/0xad8
[  198.636514] 1965979 pages RAM
[  198.639526]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  198.643300] 0 pages HighMem/MovableOnly
[  198.646399]  ? pvclock_read_flags+0x160/0x160
[  198.651469] 342307 pages reserved
[  198.655431]  ? lapic_next_event+0x5a/0x90
[  198.659901] 0 pages cma reserved
[  198.663350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.667526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  198.670828]  ? clockevents_program_event+0x140/0x370
[  198.676442] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  198.682857]  ? kvm_clock_read+0x18/0x30
[  198.687933] ksoftirqd/0 cpuset=
[  198.698236]  ? kvm_sched_clock_read+0x9/0x20
[  198.702178] /
[  198.705452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.709833]  mems_allowed=0
[  198.711536]  ? check_preemption_disabled+0x48/0x200
[  198.724988]  irq_exit+0x17f/0x1c0
[  198.728438]  smp_apic_timer_interrupt+0x1cb/0x760
[  198.733273]  ? smp_reschedule_interrupt+0x109/0x650
[  198.738293]  ? smp_call_function_single_interrupt+0x650/0x650
[  198.744176]  ? interrupt_entry+0xb5/0xf0
[  198.748240]  ? trace_hardirqs_off_caller+0xbb/0x310
[  198.753252]  ? trace_hardirqs_off_caller+0xbb/0x310
[  198.758267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  198.763107]  ? trace_hardirqs_on_caller+0x310/0x310
[  198.768120]  ? trace_hardirqs_on_caller+0x310/0x310
[  198.773136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  198.778672]  ? check_preemption_disabled+0x48/0x200
[  198.783699]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  198.788554]  apic_timer_interrupt+0xf/0x20
[  198.792779]  </IRQ>
[  198.795021] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  198.799964] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  198.818866] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  198.826580] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  198.833851] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  198.841124] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  198.848390] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  198.855654] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  198.862939]  ? trace_hardirqs_on+0xb4/0x310
[  198.867269]  skb_clone+0x1bb/0x500
[  198.870809]  ? skb_split+0x11e0/0x11e0
[  198.874703]  ? preempt_notifier_register+0x200/0x200
[  198.879803]  ? __switch_to_asm+0x34/0x70
[  198.883860]  ? __switch_to_asm+0x34/0x70
[  198.887921]  ? __switch_to_asm+0x40/0x70
[  198.891979]  ? __switch_to_asm+0x34/0x70
[  198.896044]  ? __switch_to_asm+0x40/0x70
[  198.900109]  ? __switch_to_asm+0x40/0x70
[  198.904165]  ? __switch_to_asm+0x34/0x70
[  198.908224]  ? __switch_to_asm+0x34/0x70
[  198.912282]  ? __switch_to_asm+0x40/0x70
[  198.916340]  ? __switch_to_asm+0x34/0x70
[  198.920402]  bpf_clone_redirect+0xb9/0x490
[  198.924638]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  198.929653]  ? __sched_text_start+0x8/0x8
[  198.933803]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  198.938562]  ? retint_kernel+0x2d/0x2d
[  198.942461]  ? trace_hardirqs_on_caller+0xc0/0x310
[  198.947392]  ? rcu_gp_kthread+0x2310/0x2310
[  198.951715]  ? trace_hardirqs_off+0x310/0x310
[  198.956218]  ? lock_acquire+0x1ed/0x520
[  198.960192]  ? bpf_test_run+0x3cb/0x780
[  198.964163]  ? lock_downgrade+0x900/0x900
[  198.968309]  ? lock_release+0x970/0x970
[  198.972288]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  198.978084]  ? preempt_schedule_common+0x1f/0xd0
[  198.982837]  ? preempt_schedule+0x4d/0x60
[  198.986982]  ? ___preempt_schedule+0x16/0x18
[  198.991392]  ? bpf_test_run+0x25d/0x780
[  198.995369]  ? netlink_diag_dump+0x2a0/0x2a0
[  198.999779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.005310]  ? bpf_test_init.isra.9+0x70/0x100
[  199.009894]  ? bpf_prog_test_run_skb+0x634/0xb40
[  199.014653]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  199.019498]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  199.025037]  ? fput+0x130/0x1a0
[  199.028314]  ? __bpf_prog_get+0x9b/0x290
[  199.032377]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  199.037213]  ? bpf_prog_test_run+0x130/0x1a0
[  199.041621]  ? __x64_sys_bpf+0x3d8/0x510
[  199.045703]  ? bpf_prog_get+0x20/0x20
[  199.049544]  ? do_syscall_64+0x1b9/0x820
[  199.053609]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  199.058974]  ? syscall_return_slowpath+0x5e0/0x5e0
[  199.063899]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  199.068738]  ? trace_hardirqs_on_caller+0x310/0x310
[  199.073757]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  199.078774]  ? prepare_exit_to_usermode+0x291/0x3b0
[  199.083793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  199.088690]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  199.094070] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  199.094128] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  199.100914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  199.107482] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  199.116820] Call Trace:
[  199.127285] syz-executor4 cpuset=syz4
[  199.129865]  dump_stack+0x1c4/0x2b4
[  199.129882]  ? dump_stack_print_info.cold.2+0x52/0x52
[  199.133685]  mems_allowed=0
[  199.137306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.150910]  warn_alloc.cold.119+0xb7/0x1bd
[  199.155235]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  199.160080]  ? lock_downgrade+0x900/0x900
[  199.164229]  ? trace_hardirqs_off+0xb8/0x310
[  199.168643]  ? trace_hardirqs_off+0xb8/0x310
[  199.173067]  __alloc_pages_slowpath+0x2667/0x2d80
[  199.177925]  ? mark_held_locks+0x130/0x130
[  199.182160]  ? warn_alloc+0x120/0x120
[  199.185970]  ? warn_alloc+0x120/0x120
[  199.189792]  ? warn_alloc+0x120/0x120
[  199.193597]  ? mark_held_locks+0x130/0x130
[  199.197836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.203377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.208914]  ? should_fail+0x22d/0xd01
[  199.212818]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  199.217931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.223557]  ? should_fail+0x22d/0xd01
[  199.227451]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  199.232549]  ? should_fail+0x22d/0xd01
[  199.236438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  199.241546]  ? mark_held_locks+0x130/0x130
[  199.245781]  ? mark_held_locks+0x130/0x130
[  199.250017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.255564]  ? trace_hardirqs_off+0xb8/0x310
[  199.259969]  ? kasan_check_read+0x11/0x20
[  199.264137]  ? do_raw_spin_unlock+0xa7/0x2f0
[  199.268574]  ? trace_hardirqs_on+0x310/0x310
[  199.272979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.278512]  ? wq_watchdog_touch+0x9c/0xfe
[  199.282746]  ? io_serial_in+0x11/0x90
[  199.286545]  ? retint_kernel+0x2d/0x2d
[  199.290447]  ? trace_hardirqs_on_caller+0xc0/0x310
[  199.295374]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  199.300135]  ? trace_hardirqs_off+0x310/0x310
[  199.304630]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  199.309744]  __alloc_pages_nodemask+0xa80/0xde0
[  199.314413]  ? should_fail+0x22d/0xd01
[  199.318301]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  199.323332]  ? ____cache_alloc_node+0x1c7/0x1e0
[  199.327997]  ? lock_downgrade+0x900/0x900
[  199.332156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.337692]  cache_grow_begin+0x91/0x8c0
[  199.341755]  ? do_raw_spin_unlock+0xa7/0x2f0
[  199.346178]  fallback_alloc+0x203/0x2e0
[  199.350155]  ____cache_alloc_node+0x1c7/0x1e0
[  199.354650]  kmem_cache_alloc_node+0xe3/0x730
[  199.359141]  ? ipv6_get_ifaddr+0x42e/0x620
[  199.363379]  __alloc_skb+0x119/0x770
[  199.367098]  ? skb_scrub_packet+0x490/0x490
[  199.371418]  ? lock_downgrade+0x900/0x900
[  199.375568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.381125]  ? refcount_sub_and_test_checked+0x203/0x310
[  199.386578]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  199.392023]  ? addrconf_rs_timer+0x690/0x690
[  199.396451]  ndisc_alloc_skb+0x144/0x340
[  199.400512]  ndisc_send_rs+0x331/0x6e0
[  199.404396]  addrconf_rs_timer+0x314/0x690
[  199.408627]  ? lock_release+0x970/0x970
[  199.412604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  199.416846]  call_timer_fn+0x272/0x920
[  199.420742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  199.424986]  ? process_timeout+0x40/0x40
[  199.429055]  ? kasan_check_read+0x11/0x20
[  199.433202]  ? do_raw_spin_unlock+0xa7/0x2f0
[  199.437607]  ? trace_hardirqs_on+0x310/0x310
[  199.442015]  ? __run_timers+0x7da/0xc70
[  199.446016]  ? lock_downgrade+0x900/0x900
[  199.450178]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  199.455284]  ? trace_hardirqs_on+0xbd/0x310
[  199.459605]  ? kasan_check_read+0x11/0x20
[  199.463750]  ? __run_timers+0x7da/0xc70
[  199.467728]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  199.473180]  ? kasan_check_write+0x14/0x20
[  199.477412]  ? do_raw_spin_lock+0xc1/0x200
[  199.481647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  199.485883]  __run_timers+0x7e5/0xc70
[  199.489696]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  199.495069]  ? lock_downgrade+0x900/0x900
[  199.499219]  ? finish_task_switch+0x1b5/0x900
[  199.503740]  ? trace_hardirqs_on+0xbd/0x310
[  199.508068]  ? kasan_check_read+0x11/0x20
[  199.512215]  ? finish_task_switch+0x1f5/0x900
[  199.516708]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  199.522160]  ? compat_start_thread+0x80/0x80
[  199.526578]  ? pvclock_read_flags+0x160/0x160
[  199.531070]  ? __switch_to_asm+0x34/0x70
[  199.535130]  ? __switch_to_asm+0x34/0x70
[  199.539188]  ? __switch_to_asm+0x40/0x70
[  199.543248]  ? __switch_to_asm+0x40/0x70
[  199.547305]  ? __switch_to_asm+0x34/0x70
[  199.551362]  ? __switch_to_asm+0x40/0x70
[  199.555425]  ? trace_hardirqs_on+0xbd/0x310
[  199.559748]  ? kvm_sched_clock_read+0x9/0x20
[  199.564165]  ? run_ksoftirqd+0x94/0x100
[  199.568167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.573705]  ? check_preemption_disabled+0x48/0x200
[  199.578720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.584261]  run_timer_softirq+0x52/0xb0
[  199.588319]  ? __this_cpu_preempt_check+0x1c/0x1f
[  199.593158]  __do_softirq+0x30b/0xad8
[  199.596961]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  199.602069]  ? trace_hardirqs_off+0x310/0x310
[  199.606560]  ? retint_kernel+0x1b/0x2d
[  199.610476]  ? schedule+0x108/0x460
[  199.614108]  ? trace_hardirqs_off+0xb8/0x310
[  199.618515]  ? smpboot_thread_fn+0x68b/0xa00
[  199.622929]  ? trace_hardirqs_on+0x310/0x310
[  199.627345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.632922]  ? check_preemption_disabled+0x48/0x200
[  199.637955]  ? takeover_tasklets+0xa90/0xa90
[  199.642375]  run_ksoftirqd+0x94/0x100
[  199.646181]  smpboot_thread_fn+0x68b/0xa00
[  199.650414]  ? sort_range+0x30/0x30
[  199.654056]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  199.659157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.664693]  ? __kthread_parkme+0xfb/0x1a0
[  199.668928]  kthread+0x35a/0x420
[  199.672290]  ? sort_range+0x30/0x30
[  199.675915]  ? kthread_bind+0x40/0x40
[  199.679714]  ret_from_fork+0x3a/0x50
[  199.683433] warn_alloc_show_mem: 1 callbacks suppressed
[  199.683446] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  199.683447] Mem-Info:
[  199.683478] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  199.683478]  active_file:17 inactive_file:15 isolated_file:0
[  199.683478]  unevictable:0 dirty:0 writeback:0 unstable:0
[  199.683478]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  199.683478]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  199.683478]  free:13630 free_pcp:175 free_cma:0
[  199.688811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  199.696093] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  199.698488] Call Trace:
[  199.731523] Node 0 
[  199.740868]  <IRQ>
[  199.768627] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  199.771184]  dump_stack+0x1c4/0x2b4
[  199.773388] lowmem_reserve[]:
[  199.775534]  ? dump_stack_print_info.cold.2+0x52/0x52
[  199.801007]  0
[  199.804631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.807704]  2819
[  199.812886]  warn_alloc.cold.119+0xb7/0x1bd
[  199.814659]  6323
[  199.820184]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  199.822218]  6323
[  199.826544]  ? lock_downgrade+0x900/0x900
[  199.833402]  ? trace_hardirqs_off+0xb8/0x310
[  199.835436] Node 0 
[  199.839576]  ? trace_hardirqs_off+0xb8/0x310
[  199.843982] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  199.846189]  __alloc_pages_slowpath+0x2667/0x2d80
[  199.850570] lowmem_reserve[]:
[  199.877558]  ? warn_alloc+0x120/0x120
[  199.882357]  0
[  199.885453]  ? trace_hardirqs_on+0x310/0x310
[  199.889223]  0
[  199.891015]  ? warn_alloc+0x120/0x120
[  199.895401]  3503
[  199.897197]  ? warn_alloc+0x120/0x120
[  199.900974]  3503
[  199.903041]  ? ktime_get+0x2e1/0x440
[  199.908869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  199.912555] Node 0 
[  199.918076]  ? check_preemption_disabled+0x48/0x200
[  199.918111] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  199.920311]  ? kasan_check_read+0x11/0x20
[  199.925302] lowmem_reserve[]:
[  199.953748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.957870]  0
[  199.960969]  ? should_fail+0x22d/0xd01
[  199.966474]  0
[  199.968272]  ? rcu_bh_qs+0xc0/0xc0
[  199.972127]  0
[  199.973927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  199.977439]  0
[  199.979239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  199.986106]  ? should_fail+0x22d/0xd01
[  199.991616] Node 0 DMA: 
[  199.995494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  199.995509]  ? should_fail+0x22d/0xd01
[  199.998155] 1*4kB 
[  200.003249]  ? rcu_idle_enter+0x4b0/0x4b0
[  200.007111] (U) 
[  200.009252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  200.013369] 0*8kB 
[  200.015356]  ? mark_held_locks+0x130/0x130
[  200.020442] 0*16kB 
[  200.022585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.026795] 1*32kB 
[  200.029021]  ? mark_held_locks+0x130/0x130
[  200.034546] (U) 
[  200.036775]  ? rcu_irq_exit+0xce/0x100
[  200.040988] 2*64kB 
[  200.042957]  ? irq_exit+0xbd/0x1c0
[  200.046816] (U) 
[  200.049060]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  200.052572] 1*128kB 
[  200.054549]  ? do_raw_spin_unlock+0xa7/0x2f0
[  200.059527] (U) 
[  200.061852]  ? smp_call_function_single_interrupt+0x650/0x650
[  200.066248] 1*256kB 
[  200.068222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.074076] (U) 
[  200.076392]  ? ret_from_intr+0xb/0x1e
[  200.081918] 0*512kB 
[  200.083887]  ? retint_kernel+0x2d/0x2d
[  200.087660] 1*1024kB 
[  200.090153]  ? trace_hardirqs_on_caller+0xc0/0x310
[  200.094009] (U) 
[  200.096418]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  200.101322] 1*2048kB 
[  200.103523]  ? trace_hardirqs_off+0x310/0x310
[  200.108254] (M) 
[  200.110662]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  200.115125] 3*4096kB 
[  200.117099]  __alloc_pages_nodemask+0xa80/0xde0
[  200.122169] (M) 
[  200.124577]  ? should_fail+0x22d/0xd01
[  200.129215] = 15908kB
[  200.131181]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  200.135054] Node 0 
[  200.137460]  ? ____cache_alloc_node+0x1c7/0x1e0
[  200.142440] DMA32: 
[  200.144671]  ? lock_downgrade+0x900/0x900
[  200.149323] 3*4kB 
[  200.151558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.155668] (ME) 
[  200.157813]  cache_grow_begin+0x91/0x8c0
[  200.163323] 2*8kB 
[  200.165377]  ? do_raw_spin_unlock+0xa7/0x2f0
[  200.169405] (ME) 
[  200.171553]  fallback_alloc+0x203/0x2e0
[  200.175929] 4*16kB 
[  200.177983]  ____cache_alloc_node+0x1c7/0x1e0
[  200.181925] (UME) 
[  200.184157]  kmem_cache_alloc_node+0xe3/0x730
[  200.189374] 3*32kB 
[  200.191514]  ? ipv6_get_ifaddr+0x42e/0x620
[  200.195976] (ME) 
[  200.198205]  __alloc_skb+0x119/0x770
[  200.202413] 5*64kB 
[  200.204467]  ? skb_scrub_packet+0x490/0x490
[  200.208154] (ME) 
[  200.210382]  ? lock_downgrade+0x900/0x900
[  200.214674] 5*128kB 
[  200.216729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.220848] (UME) 
[  200.223168]  ? refcount_sub_and_test_checked+0x203/0x310
[  200.228678] 5*256kB 
[  200.230820]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  200.236328] (UME) 4*512kB 
[  200.238654]  ? addrconf_rs_timer+0x690/0x690
[  200.244078] (ME) 
[  200.246919]  ndisc_alloc_skb+0x144/0x340
[  200.251297] 4*1024kB 
[  200.253349]  ndisc_send_rs+0x331/0x6e0
[  200.257386] (UME) 
[  200.259785]  addrconf_rs_timer+0x314/0x690
[  200.263647] 2*2048kB 
[  200.265784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  200.269989] (ME) 
[  200.272394]  call_timer_fn+0x272/0x920
[  200.276595] 3*4096kB 
[  200.278645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  200.282508] (M) 
[  200.284914]  ? process_timeout+0x40/0x40
[  200.289124] = 24956kB
[  200.291091]  ? trace_hardirqs_off+0xb8/0x310
[  200.295124] Node 0 
[  200.297523]  ? kasan_check_read+0x11/0x20
[  200.301906] Normal: 
[  200.304137]  ? do_raw_spin_unlock+0xa7/0x2f0
[  200.308253] 1016*4kB 
[  200.310570]  ? trace_hardirqs_on+0x310/0x310
[  200.314950] (UME) 
[  200.317350]  ? __run_timers+0x7da/0xc70
[  200.321732] 447*8kB 
[  200.323870]  ? lock_downgrade+0x900/0x900
[  200.327821] (ME) 
[  200.330145]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  200.334265] 188*16kB 
[  200.336321]  ? trace_hardirqs_on+0xbd/0x310
[  200.341392] (UME) 
[  200.343794]  ? kasan_check_read+0x11/0x20
[  200.348087] 54*32kB 
[  200.350226]  ? __run_timers+0x7da/0xc70
[  200.354343] (UME) 
[  200.356667]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  200.360611] 20*64kB 
[  200.362750]  ? kasan_check_write+0x14/0x20
[  200.368175] (UM) 
[  200.370490]  ? do_raw_spin_lock+0xc1/0x200
[  200.374695] 0*128kB 
[  200.376762]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  200.380971] 0*256kB 
[  200.383288]  __run_timers+0x7e5/0xc70
[  200.387497] 0*512kB 
[  200.389815]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  200.393603] 0*1024kB 
[  200.395931]  ? lock_acquire+0x1ed/0x520
[  200.401272] 0*2048kB 
[  200.403670]  ? __hrtimer_run_queues+0x488/0x10d0
[  200.407614] 0*4096kB 
[  200.410013]  ? lock_release+0x970/0x970
[  200.414742] = 13656kB
[  200.417143]  ? trace_hardirqs_off+0xb8/0x310
[  200.421115] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  200.423515]  ? do_raw_spin_unlock+0xa7/0x2f0
[  200.427915] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  200.436734]  ? kasan_check_write+0x14/0x20
[  200.441119] 4246 total pagecache pages
[  200.449687]  ? pvclock_read_flags+0x160/0x160
[  200.453892] 0 pages in swap cache
[  200.457772]  ? lock_downgrade+0x900/0x900
[  200.462247] Swap cache stats: add 0, delete 0, find 0/0
[  200.465686]  ? trace_hardirqs_on+0xbd/0x310
[  200.469803] Free swap  = 0kB
[  200.475157]  ? kvm_sched_clock_read+0x9/0x20
[  200.479451] Total swap = 0kB
[  200.482492]  ? irq_exit+0x17f/0x1c0
[  200.486868] 1965979 pages RAM
[  200.489876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.493478] 0 pages HighMem/MovableOnly
[  200.496572]  ? check_preemption_disabled+0x48/0x200
[  200.502079] 342307 pages reserved
[  200.506048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.511061] 0 pages cma reserved
[  200.514504]  run_timer_softirq+0x52/0xb0
[  200.520075] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  200.523375]  ? __this_cpu_preempt_check+0x1c/0x1f
[  200.527475] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  200.533893]  __do_softirq+0x30b/0xad8
[  200.538712] ksoftirqd/0 cpuset=
[  200.549013]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  200.552783] /
[  200.556062]  ? pvclock_read_flags+0x160/0x160
[  200.561140]  mems_allowed=0
[  200.562845]  ? lapic_next_event+0x5a/0x90
[  200.574365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.579927]  ? clockevents_program_event+0x140/0x370
[  200.585038]  ? kvm_clock_read+0x18/0x30
[  200.589008]  ? kvm_sched_clock_read+0x9/0x20
[  200.593422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.598972]  ? check_preemption_disabled+0x48/0x200
[  200.603996]  irq_exit+0x17f/0x1c0
[  200.607450]  smp_apic_timer_interrupt+0x1cb/0x760
[  200.612285]  ? smp_reschedule_interrupt+0x109/0x650
[  200.617299]  ? smp_call_function_single_interrupt+0x650/0x650
[  200.623180]  ? interrupt_entry+0xb5/0xf0
[  200.627237]  ? trace_hardirqs_off_caller+0xbb/0x310
[  200.632251]  ? trace_hardirqs_off_caller+0xbb/0x310
[  200.637270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  200.642110]  ? trace_hardirqs_on_caller+0x310/0x310
[  200.647123]  ? trace_hardirqs_on_caller+0x310/0x310
[  200.652140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  200.657679]  ? check_preemption_disabled+0x48/0x200
[  200.662697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  200.667546]  apic_timer_interrupt+0xf/0x20
[  200.671773]  </IRQ>
[  200.674010] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  200.678944] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  200.697839] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  200.705549] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  200.712811] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  200.720080] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  200.727349] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  200.734611] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  200.741889]  ? trace_hardirqs_on+0xb4/0x310
[  200.746221]  skb_clone+0x1bb/0x500
[  200.749764]  ? skb_split+0x11e0/0x11e0
[  200.754122]  ? preempt_notifier_register+0x200/0x200
[  200.759223]  ? __switch_to_asm+0x34/0x70
[  200.763282]  ? __switch_to_asm+0x34/0x70
[  200.767339]  ? __switch_to_asm+0x40/0x70
[  200.771394]  ? __switch_to_asm+0x34/0x70
[  200.775452]  ? __switch_to_asm+0x40/0x70
[  200.779510]  ? __switch_to_asm+0x40/0x70
[  200.783569]  ? __switch_to_asm+0x34/0x70
[  200.787625]  ? __switch_to_asm+0x34/0x70
[  200.791682]  ? __switch_to_asm+0x40/0x70
[  200.795741]  ? __switch_to_asm+0x34/0x70
[  200.799802]  bpf_clone_redirect+0xb9/0x490
[  200.804049]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  200.809069]  ? __sched_text_start+0x8/0x8
[  200.813213]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  200.817968]  ? retint_kernel+0x2d/0x2d
[  200.821855]  ? trace_hardirqs_on_caller+0xc0/0x310
[  200.826788]  ? rcu_gp_kthread+0x2310/0x2310
[  200.831108]  ? trace_hardirqs_off+0x310/0x310
[  200.835603]  ? lock_acquire+0x1ed/0x520
[  200.840026]  ? bpf_test_run+0x3cb/0x780
[  200.844006]  ? lock_downgrade+0x900/0x900
[  200.848164]  ? lock_release+0x970/0x970
[  200.852138]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  200.857931]  ? preempt_schedule_common+0x1f/0xd0
[  200.862686]  ? preempt_schedule+0x4d/0x60
[  200.866833]  ? ___preempt_schedule+0x16/0x18
[  200.871248]  ? bpf_test_run+0x25d/0x780
[  200.875228]  ? netlink_diag_dump+0x2a0/0x2a0
[  200.879639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  200.885170]  ? bpf_test_init.isra.9+0x70/0x100
[  200.889751]  ? bpf_prog_test_run_skb+0x634/0xb40
[  200.894510]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  200.899352]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  200.904890]  ? fput+0x130/0x1a0
[  200.908171]  ? __bpf_prog_get+0x9b/0x290
[  200.912230]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  200.917072]  ? bpf_prog_test_run+0x130/0x1a0
[  200.921479]  ? __x64_sys_bpf+0x3d8/0x510
[  200.925535]  ? bpf_prog_get+0x20/0x20
[  200.929351]  ? do_syscall_64+0x1b9/0x820
[  200.933414]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  200.938998]  ? syscall_return_slowpath+0x5e0/0x5e0
[  200.943937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  200.948777]  ? trace_hardirqs_on_caller+0x310/0x310
[  200.953792]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  200.958805]  ? prepare_exit_to_usermode+0x291/0x3b0
[  200.963819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  200.968666]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  200.974055] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  200.974103] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  200.980904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  200.987444] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  200.996722] Call Trace:
[  201.007189] syz-executor4 cpuset=syz4
[  201.009778]  dump_stack+0x1c4/0x2b4
[  201.009795]  ? dump_stack_print_info.cold.2+0x52/0x52
[  201.013573]  mems_allowed=0
[  201.017198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.030804]  warn_alloc.cold.119+0xb7/0x1bd
[  201.035127]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  201.039979]  ? lock_downgrade+0x900/0x900
[  201.044135]  ? trace_hardirqs_off+0xb8/0x310
[  201.048549]  ? trace_hardirqs_off+0xb8/0x310
[  201.052972]  __alloc_pages_slowpath+0x2667/0x2d80
[  201.057831]  ? mark_held_locks+0x130/0x130
[  201.062080]  ? warn_alloc+0x120/0x120
[  201.065882]  ? warn_alloc+0x120/0x120
[  201.069684]  ? warn_alloc+0x120/0x120
[  201.073488]  ? mark_held_locks+0x130/0x130
[  201.077733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.083271]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.088814]  ? should_fail+0x22d/0xd01
[  201.092714]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  201.097817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.103820]  ? should_fail+0x22d/0xd01
[  201.107714]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  201.112816]  ? should_fail+0x22d/0xd01
[  201.116713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  201.121826]  ? mark_held_locks+0x130/0x130
[  201.126077]  ? mark_held_locks+0x130/0x130
[  201.130316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.135855]  ? trace_hardirqs_off+0xb8/0x310
[  201.140264]  ? kasan_check_read+0x11/0x20
[  201.144417]  ? do_raw_spin_unlock+0xa7/0x2f0
[  201.148830]  ? trace_hardirqs_on+0x310/0x310
[  201.153242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.158785]  ? wq_watchdog_touch+0x9c/0xfe
[  201.163052]  ? io_serial_in+0x11/0x90
[  201.166858]  ? retint_kernel+0x2d/0x2d
[  201.170741]  ? trace_hardirqs_on_caller+0xc0/0x310
[  201.175668]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  201.180428]  ? trace_hardirqs_off+0x310/0x310
[  201.184927]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  201.190061]  __alloc_pages_nodemask+0xa80/0xde0
[  201.194737]  ? should_fail+0x22d/0xd01
[  201.198629]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  201.203667]  ? ____cache_alloc_node+0x1c7/0x1e0
[  201.208333]  ? lock_downgrade+0x900/0x900
[  201.212491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.218050]  cache_grow_begin+0x91/0x8c0
[  201.222121]  ? do_raw_spin_unlock+0xa7/0x2f0
[  201.226538]  fallback_alloc+0x203/0x2e0
[  201.230521]  ____cache_alloc_node+0x1c7/0x1e0
[  201.235027]  kmem_cache_alloc_node+0xe3/0x730
[  201.239539]  ? ipv6_get_ifaddr+0x42e/0x620
[  201.243779]  __alloc_skb+0x119/0x770
[  201.247493]  ? skb_scrub_packet+0x490/0x490
[  201.251815]  ? lock_downgrade+0x900/0x900
[  201.255979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.261521]  ? refcount_sub_and_test_checked+0x203/0x310
[  201.266980]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  201.272441]  ? addrconf_rs_timer+0x690/0x690
[  201.276855]  ndisc_alloc_skb+0x144/0x340
[  201.280918]  ndisc_send_rs+0x331/0x6e0
[  201.284804]  addrconf_rs_timer+0x314/0x690
[  201.289056]  ? lock_release+0x970/0x970
[  201.293049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  201.297305]  call_timer_fn+0x272/0x920
[  201.301195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  201.305436]  ? process_timeout+0x40/0x40
[  201.309492]  ? kasan_check_read+0x11/0x20
[  201.313642]  ? do_raw_spin_unlock+0xa7/0x2f0
[  201.318058]  ? trace_hardirqs_on+0x310/0x310
[  201.322472]  ? __run_timers+0x7da/0xc70
[  201.326448]  ? lock_downgrade+0x900/0x900
[  201.330610]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  201.335718]  ? trace_hardirqs_on+0xbd/0x310
[  201.340056]  ? kasan_check_read+0x11/0x20
[  201.344212]  ? __run_timers+0x7da/0xc70
[  201.348187]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  201.353634]  ? kasan_check_write+0x14/0x20
[  201.357876]  ? do_raw_spin_lock+0xc1/0x200
[  201.362118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  201.366359]  __run_timers+0x7e5/0xc70
[  201.370175]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  201.375544]  ? lock_downgrade+0x900/0x900
[  201.379780]  ? finish_task_switch+0x1b5/0x900
[  201.384294]  ? trace_hardirqs_on+0xbd/0x310
[  201.388609]  ? kasan_check_read+0x11/0x20
[  201.392758]  ? finish_task_switch+0x1f5/0x900
[  201.397262]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  201.402715]  ? compat_start_thread+0x80/0x80
[  201.407138]  ? pvclock_read_flags+0x160/0x160
[  201.411637]  ? __switch_to_asm+0x34/0x70
[  201.415707]  ? __switch_to_asm+0x34/0x70
[  201.419766]  ? __switch_to_asm+0x40/0x70
[  201.423827]  ? __switch_to_asm+0x40/0x70
[  201.427885]  ? __switch_to_asm+0x34/0x70
[  201.431949]  ? __switch_to_asm+0x40/0x70
[  201.436025]  ? trace_hardirqs_on+0xbd/0x310
[  201.440366]  ? kvm_sched_clock_read+0x9/0x20
[  201.444787]  ? run_ksoftirqd+0x94/0x100
[  201.448767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.454310]  ? check_preemption_disabled+0x48/0x200
[  201.459326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.464869]  run_timer_softirq+0x52/0xb0
[  201.468933]  ? __this_cpu_preempt_check+0x1c/0x1f
[  201.473783]  __do_softirq+0x30b/0xad8
[  201.477594]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  201.482702]  ? trace_hardirqs_off+0x310/0x310
[  201.487204]  ? retint_kernel+0x1b/0x2d
[  201.491099]  ? schedule+0x108/0x460
[  201.494728]  ? trace_hardirqs_off+0xb8/0x310
[  201.499135]  ? smpboot_thread_fn+0x68b/0xa00
[  201.503545]  ? trace_hardirqs_on+0x310/0x310
[  201.507962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.513505]  ? check_preemption_disabled+0x48/0x200
[  201.518532]  ? takeover_tasklets+0xa90/0xa90
[  201.522945]  run_ksoftirqd+0x94/0x100
[  201.526751]  smpboot_thread_fn+0x68b/0xa00
[  201.530982]  ? sort_range+0x30/0x30
[  201.534610]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  201.539715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.545257]  ? __kthread_parkme+0xfb/0x1a0
[  201.549500]  kthread+0x35a/0x420
[  201.552874]  ? sort_range+0x30/0x30
[  201.556502]  ? kthread_bind+0x40/0x40
[  201.560310]  ret_from_fork+0x3a/0x50
[  201.564044] warn_alloc_show_mem: 1 callbacks suppressed
[  201.564056] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  201.564058] Mem-Info:
[  201.564088] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  201.564088]  active_file:17 inactive_file:15 isolated_file:0
[  201.564088]  unevictable:0 dirty:0 writeback:0 unstable:0
[  201.564088]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  201.564088]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  201.564088]  free:13630 free_pcp:175 free_cma:0
[  201.569421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  201.576703] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  201.579102] Call Trace:
[  201.612139] Node 0 
[  201.621481]  <IRQ>
[  201.649256] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  201.651806]  dump_stack+0x1c4/0x2b4
[  201.654022] lowmem_reserve[]:
[  201.656188]  ? dump_stack_print_info.cold.2+0x52/0x52
[  201.681667]  0
[  201.685290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.688379]  2819
[  201.693566]  warn_alloc.cold.119+0xb7/0x1bd
[  201.695343]  6323
[  201.700874]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  201.702919]  6323
[  201.707231]  ? lock_downgrade+0x900/0x900
[  201.714095]  ? trace_hardirqs_off+0xb8/0x310
[  201.716138] Node 0 
[  201.720273]  ? trace_hardirqs_off+0xb8/0x310
[  201.724691] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  201.726890]  __alloc_pages_slowpath+0x2667/0x2d80
[  201.731273] lowmem_reserve[]:
[  201.758264]  ? warn_alloc+0x120/0x120
[  201.763070]  0
[  201.766172]  ? trace_hardirqs_on+0x310/0x310
[  201.769943]  0
[  201.771740]  ? warn_alloc+0x120/0x120
[  201.776120]  3503
[  201.777916]  ? warn_alloc+0x120/0x120
[  201.781687]  3503
[  201.783741]  ? ktime_get+0x2e1/0x440
[  201.789583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.793268] Node 0 
[  201.798790]  ? check_preemption_disabled+0x48/0x200
[  201.798828] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  201.801026]  ? kasan_check_read+0x11/0x20
[  201.806026] lowmem_reserve[]: 0
[  201.834490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.838610]  0
[  201.841883]  ? should_fail+0x22d/0xd01
[  201.847396]  0
[  201.849191]  ? rcu_bh_qs+0xc0/0xc0
[  201.853064]  0
[  201.854867]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  201.860181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  201.865256] Node 0 
[  201.870774]  ? should_fail+0x22d/0xd01
[  201.870777] DMA: 1*4kB 
[  201.873014]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  201.876873] (U) 
[  201.879447]  ? should_fail+0x22d/0xd01
[  201.884525] 0*8kB 
[  201.886496]  ? rcu_idle_enter+0x4b0/0x4b0
[  201.890353] 0*16kB 
[  201.892496]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  201.896629] 1*32kB 
[  201.898859]  ? mark_held_locks+0x130/0x130
[  201.903930] (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  201.903965] Node 0 DMA32: 3*4kB (ME) 2*8kB (ME) 4*16kB (UME) 3*32kB (ME) 5*64kB (ME) 5*128kB (UME) 5*256kB (UME) 4*512kB (ME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 24956kB
[  201.904022] Node 0 Normal: 1016*4kB (UME) 447*8kB 
[  201.906287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.910498] (ME) 
[  201.920368]  ? mark_held_locks+0x130/0x130
[  201.936296] 188*16kB 
[  201.941219]  ? rcu_irq_exit+0xce/0x100
[  201.946728] (UME) 
[  201.948789]  ? irq_exit+0xbd/0x1c0
[  201.952997] 54*32kB 
[  201.955400]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  201.959256] (UME) 
[  201.961401]  ? do_raw_spin_unlock+0xa7/0x2f0
[  201.964911] 20*64kB 
[  201.967223]  ? smp_call_function_single_interrupt+0x650/0x650
[  201.972211] (UM) 
[  201.974355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  201.978736] 0*128kB 
[  201.981061]  ? ret_from_intr+0xb/0x1e
[  201.986920] 0*256kB 
[  201.988973]  ? retint_kernel+0x2d/0x2d
[  201.994484] 0*512kB 
[  201.996801]  ? trace_hardirqs_on_caller+0xc0/0x310
[  202.000574] 0*1024kB 
[  202.002899]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  202.006758] 0*2048kB 
[  202.009073]  ? trace_hardirqs_off+0x310/0x310
[  202.013974] 0*4096kB 
[  202.016373]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  202.021103] = 13656kB
[  202.023507]  __alloc_pages_nodemask+0xa80/0xde0
[  202.027976] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  202.030376]  ? should_fail+0x22d/0xd01
[  202.035456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  202.037853]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  202.042492] 4246 total pagecache pages
[  202.051327]  ? ____cache_alloc_node+0x1c7/0x1e0
[  202.055175] 0 pages in swap cache
[  202.063743]  ? lock_downgrade+0x900/0x900
[  202.068737] Swap cache stats: add 0, delete 0, find 0/0
[  202.072612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.077250] Free swap  = 0kB
[  202.080695]  cache_grow_begin+0x91/0x8c0
[  202.084816] Total swap = 0kB
[  202.090174]  ? do_raw_spin_unlock+0xa7/0x2f0
[  202.095679] 1965979 pages RAM
[  202.098688]  fallback_alloc+0x203/0x2e0
[  202.103218] 0 pages HighMem/MovableOnly
[  202.103227] 342307 pages reserved
[  202.106245]  ____cache_alloc_node+0x1c7/0x1e0
[  202.110626] 0 pages cma reserved
[  202.113726]  kmem_cache_alloc_node+0xe3/0x730
[  202.117741] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  202.121640]  ? ipv6_get_ifaddr+0x42e/0x620
[  202.125155] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  202.129576]  __alloc_skb+0x119/0x770
[  202.132919] ksoftirqd/0 cpuset=
[  202.137407]  ? skb_scrub_packet+0x490/0x490
[  202.143868] /
[  202.148095]  ? lock_downgrade+0x900/0x900
[  202.158378]  mems_allowed=0
[  202.162082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.183888]  ? refcount_sub_and_test_checked+0x203/0x310
[  202.189341]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  202.194786]  ? addrconf_rs_timer+0x690/0x690
[  202.199195]  ndisc_alloc_skb+0x144/0x340
[  202.203256]  ndisc_send_rs+0x331/0x6e0
[  202.207143]  addrconf_rs_timer+0x314/0x690
[  202.211379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  202.215618]  call_timer_fn+0x272/0x920
[  202.219502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  202.223733]  ? process_timeout+0x40/0x40
[  202.227793]  ? trace_hardirqs_off+0xb8/0x310
[  202.232199]  ? kasan_check_read+0x11/0x20
[  202.236825]  ? do_raw_spin_unlock+0xa7/0x2f0
[  202.241230]  ? trace_hardirqs_on+0x310/0x310
[  202.245641]  ? __run_timers+0x7da/0xc70
[  202.249611]  ? lock_downgrade+0x900/0x900
[  202.253761]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  202.258862]  ? trace_hardirqs_on+0xbd/0x310
[  202.263176]  ? kasan_check_read+0x11/0x20
[  202.267322]  ? __run_timers+0x7da/0xc70
[  202.271292]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  202.276759]  ? kasan_check_write+0x14/0x20
[  202.280989]  ? do_raw_spin_lock+0xc1/0x200
[  202.285228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  202.289459]  __run_timers+0x7e5/0xc70
[  202.293265]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  202.298627]  ? lock_acquire+0x1ed/0x520
[  202.302599]  ? __hrtimer_run_queues+0x488/0x10d0
[  202.307353]  ? lock_release+0x970/0x970
[  202.311327]  ? trace_hardirqs_off+0xb8/0x310
[  202.315737]  ? do_raw_spin_unlock+0xa7/0x2f0
[  202.320150]  ? kasan_check_write+0x14/0x20
[  202.324393]  ? pvclock_read_flags+0x160/0x160
[  202.328887]  ? lock_downgrade+0x900/0x900
[  202.333047]  ? trace_hardirqs_on+0xbd/0x310
[  202.337366]  ? kvm_sched_clock_read+0x9/0x20
[  202.341776]  ? irq_exit+0x17f/0x1c0
[  202.345406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.350943]  ? check_preemption_disabled+0x48/0x200
[  202.355958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.361499]  run_timer_softirq+0x52/0xb0
[  202.365560]  ? __this_cpu_preempt_check+0x1c/0x1f
[  202.370399]  __do_softirq+0x30b/0xad8
[  202.374203]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  202.379305]  ? pvclock_read_flags+0x160/0x160
[  202.383800]  ? lapic_next_event+0x5a/0x90
[  202.387943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.393476]  ? clockevents_program_event+0x140/0x370
[  202.398580]  ? kvm_clock_read+0x18/0x30
[  202.402556]  ? kvm_sched_clock_read+0x9/0x20
[  202.406965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.412495]  ? check_preemption_disabled+0x48/0x200
[  202.417515]  irq_exit+0x17f/0x1c0
[  202.420968]  smp_apic_timer_interrupt+0x1cb/0x760
[  202.425804]  ? smp_reschedule_interrupt+0x109/0x650
[  202.430817]  ? smp_call_function_single_interrupt+0x650/0x650
[  202.436698]  ? interrupt_entry+0xb5/0xf0
[  202.440761]  ? trace_hardirqs_off_caller+0xbb/0x310
[  202.445772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  202.450787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  202.455624]  ? trace_hardirqs_on_caller+0x310/0x310
[  202.460650]  ? trace_hardirqs_on_caller+0x310/0x310
[  202.465676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.471208]  ? check_preemption_disabled+0x48/0x200
[  202.476228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  202.481073]  apic_timer_interrupt+0xf/0x20
[  202.485298]  </IRQ>
[  202.487535] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  202.492466] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  202.511360] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  202.519069] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  202.526330] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  202.533593] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  202.540859] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  202.548127] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  202.555407]  ? trace_hardirqs_on+0xb4/0x310
[  202.559749]  skb_clone+0x1bb/0x500
[  202.563290]  ? skb_split+0x11e0/0x11e0
[  202.567176]  ? preempt_notifier_register+0x200/0x200
[  202.572277]  ? __switch_to_asm+0x34/0x70
[  202.576332]  ? __switch_to_asm+0x34/0x70
[  202.580391]  ? __switch_to_asm+0x40/0x70
[  202.584447]  ? __switch_to_asm+0x34/0x70
[  202.588505]  ? __switch_to_asm+0x40/0x70
[  202.592568]  ? __switch_to_asm+0x40/0x70
[  202.596628]  ? __switch_to_asm+0x34/0x70
[  202.600685]  ? __switch_to_asm+0x34/0x70
[  202.604744]  ? __switch_to_asm+0x40/0x70
[  202.608802]  ? __switch_to_asm+0x34/0x70
[  202.612866]  bpf_clone_redirect+0xb9/0x490
[  202.617103]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  202.622121]  ? __sched_text_start+0x8/0x8
[  202.626268]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  202.631020]  ? retint_kernel+0x2d/0x2d
[  202.634916]  ? trace_hardirqs_on_caller+0xc0/0x310
[  202.639850]  ? rcu_gp_kthread+0x2310/0x2310
[  202.644168]  ? trace_hardirqs_off+0x310/0x310
[  202.648670]  ? lock_acquire+0x1ed/0x520
[  202.652645]  ? bpf_test_run+0x3cb/0x780
[  202.656617]  ? lock_downgrade+0x900/0x900
[  202.660765]  ? lock_release+0x970/0x970
[  202.664736]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  202.670531]  ? preempt_schedule_common+0x1f/0xd0
[  202.675285]  ? preempt_schedule+0x4d/0x60
[  202.679432]  ? ___preempt_schedule+0x16/0x18
[  202.683838]  ? bpf_test_run+0x25d/0x780
[  202.687816]  ? netlink_diag_dump+0x2a0/0x2a0
[  202.692226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  202.697758]  ? bpf_test_init.isra.9+0x70/0x100
[  202.702338]  ? bpf_prog_test_run_skb+0x634/0xb40
[  202.707098]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  202.711943]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  202.717477]  ? fput+0x130/0x1a0
[  202.720752]  ? __bpf_prog_get+0x9b/0x290
[  202.724811]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  202.729652]  ? bpf_prog_test_run+0x130/0x1a0
[  202.734064]  ? __x64_sys_bpf+0x3d8/0x510
[  202.738126]  ? bpf_prog_get+0x20/0x20
[  202.741934]  ? do_syscall_64+0x1b9/0x820
[  202.745991]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  202.751355]  ? syscall_return_slowpath+0x5e0/0x5e0
[  202.756284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  202.761137]  ? trace_hardirqs_on_caller+0x310/0x310
[  202.766150]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  202.771168]  ? prepare_exit_to_usermode+0x291/0x3b0
[  202.776184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  202.781027]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  202.786411] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  202.786465] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  202.793252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  202.799791] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  202.809068] Call Trace:
[  202.819534] syz-executor4 cpuset=syz4
[  202.822108]  dump_stack+0x1c4/0x2b4
[  202.822125]  ? dump_stack_print_info.cold.2+0x52/0x52
[  202.825900]  mems_allowed=0
[  202.829514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.843123]  warn_alloc.cold.119+0xb7/0x1bd
[  202.847445]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  202.852285]  ? lock_downgrade+0x900/0x900
[  202.856442]  ? trace_hardirqs_off+0xb8/0x310
[  202.860850]  ? trace_hardirqs_off+0xb8/0x310
[  202.865262]  __alloc_pages_slowpath+0x2667/0x2d80
[  202.870114]  ? mark_held_locks+0x130/0x130
[  202.874348]  ? warn_alloc+0x120/0x120
[  202.878151]  ? warn_alloc+0x120/0x120
[  202.881953]  ? warn_alloc+0x120/0x120
[  202.885764]  ? mark_held_locks+0x130/0x130
[  202.890000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.895539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  202.901076]  ? should_fail+0x22d/0xd01
[  202.904970]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  202.910076]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  202.915611]  ? should_fail+0x22d/0xd01
[  202.919514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  202.924617]  ? should_fail+0x22d/0xd01
[  202.928507]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  202.933610]  ? mark_held_locks+0x130/0x130
[  202.937860]  ? mark_held_locks+0x130/0x130
[  202.942093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.947634]  ? mark_held_locks+0x130/0x130
[  202.951871]  ? trace_hardirqs_on+0x310/0x310
[  202.956275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  202.961807]  ? wq_watchdog_touch+0x9c/0xfe
[  202.966050]  ? io_serial_in+0x11/0x90
[  202.969849]  ? retint_kernel+0x2d/0x2d
[  202.973731]  ? trace_hardirqs_on_caller+0xc0/0x310
[  202.978658]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  202.983409]  ? trace_hardirqs_off+0x310/0x310
[  202.987899]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  202.993009]  __alloc_pages_nodemask+0xa80/0xde0
[  202.997688]  ? should_fail+0x22d/0xd01
[  203.001580]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  203.006610]  ? ____cache_alloc_node+0x1c7/0x1e0
[  203.011297]  ? lock_downgrade+0x900/0x900
[  203.015450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.020989]  cache_grow_begin+0x91/0x8c0
[  203.025060]  ? do_raw_spin_unlock+0xa7/0x2f0
[  203.029475]  fallback_alloc+0x203/0x2e0
[  203.033452]  ____cache_alloc_node+0x1c7/0x1e0
[  203.037956]  kmem_cache_alloc_node+0xe3/0x730
[  203.042448]  ? ipv6_get_ifaddr+0x42e/0x620
[  203.046686]  __alloc_skb+0x119/0x770
[  203.050412]  ? skb_scrub_packet+0x490/0x490
[  203.054729]  ? lock_downgrade+0x900/0x900
[  203.058878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.064413]  ? refcount_sub_and_test_checked+0x203/0x310
[  203.069866]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  203.075311]  ? addrconf_rs_timer+0x690/0x690
[  203.079722]  ndisc_alloc_skb+0x144/0x340
[  203.083780]  ndisc_send_rs+0x331/0x6e0
[  203.087666]  addrconf_rs_timer+0x314/0x690
[  203.091912]  ? lock_release+0x970/0x970
[  203.095886]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  203.100125]  call_timer_fn+0x272/0x920
[  203.104511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  203.108742]  ? process_timeout+0x40/0x40
[  203.112802]  ? kasan_check_read+0x11/0x20
[  203.116946]  ? do_raw_spin_unlock+0xa7/0x2f0
[  203.121352]  ? trace_hardirqs_on+0x310/0x310
[  203.125761]  ? __run_timers+0x7da/0xc70
[  203.129734]  ? lock_downgrade+0x900/0x900
[  203.133884]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  203.138983]  ? trace_hardirqs_on+0xbd/0x310
[  203.143299]  ? kasan_check_read+0x11/0x20
[  203.147446]  ? __run_timers+0x7da/0xc70
[  203.151415]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  203.156864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.162399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  203.166634]  __run_timers+0x7e5/0xc70
[  203.170469]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  203.175835]  ? lock_downgrade+0x900/0x900
[  203.179990]  ? finish_task_switch+0x1b5/0x900
[  203.184492]  ? trace_hardirqs_on+0xbd/0x310
[  203.188813]  ? kasan_check_read+0x11/0x20
[  203.192970]  ? finish_task_switch+0x1f5/0x900
[  203.197469]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  203.202917]  ? compat_start_thread+0x80/0x80
[  203.207334]  ? pvclock_read_flags+0x160/0x160
[  203.211827]  ? __switch_to_asm+0x34/0x70
[  203.216075]  ? __switch_to_asm+0x34/0x70
[  203.220148]  ? __switch_to_asm+0x40/0x70
[  203.224216]  ? __switch_to_asm+0x40/0x70
[  203.228279]  ? __switch_to_asm+0x34/0x70
[  203.232345]  ? __switch_to_asm+0x40/0x70
[  203.236418]  ? trace_hardirqs_on+0xbd/0x310
[  203.240762]  ? kvm_sched_clock_read+0x9/0x20
[  203.245179]  ? run_ksoftirqd+0x94/0x100
[  203.249162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.254705]  ? check_preemption_disabled+0x48/0x200
[  203.259726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.265279]  run_timer_softirq+0x52/0xb0
[  203.269345]  ? __this_cpu_preempt_check+0x1c/0x1f
[  203.274188]  __do_softirq+0x30b/0xad8
[  203.277991]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  203.283102]  ? trace_hardirqs_off+0x310/0x310
[  203.287602]  ? retint_kernel+0x1b/0x2d
[  203.291494]  ? schedule+0x108/0x460
[  203.295128]  ? trace_hardirqs_off+0xb8/0x310
[  203.299546]  ? smpboot_thread_fn+0x68b/0xa00
[  203.303961]  ? trace_hardirqs_on+0x310/0x310
[  203.308370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  203.313907]  ? check_preemption_disabled+0x48/0x200
[  203.318924]  ? takeover_tasklets+0xa90/0xa90
[  203.323354]  run_ksoftirqd+0x94/0x100
[  203.327157]  smpboot_thread_fn+0x68b/0xa00
[  203.331400]  ? sort_range+0x30/0x30
[  203.335030]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  203.340165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  203.345708]  ? __kthread_parkme+0xfb/0x1a0
[  203.349941]  kthread+0x35a/0x420
[  203.353301]  ? sort_range+0x30/0x30
[  203.356924]  ? kthread_bind+0x40/0x40
[  203.360729]  ret_from_fork+0x3a/0x50
[  203.364452] warn_alloc_show_mem: 1 callbacks suppressed
[  203.364463] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  203.364465] Mem-Info:
[  203.364503] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  203.364503]  active_file:17 inactive_file:15 isolated_file:0
[  203.364503]  unevictable:0 dirty:0 writeback:0 unstable:0
[  203.364503]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  203.364503]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  203.364503]  free:13630 free_pcp:175 free_cma:0
[  203.370266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  203.377549] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  203.379946] Call Trace:
[  203.412986] Node 0 
[  203.422329]  <IRQ>
[  203.450101] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  203.452649]  dump_stack+0x1c4/0x2b4
[  203.454854] lowmem_reserve[]:
[  203.457014]  ? dump_stack_print_info.cold.2+0x52/0x52
[  203.482485]  0
[  203.486107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.489183]  2819
[  203.494367]  warn_alloc.cold.119+0xb7/0x1bd
[  203.496143]  6323
[  203.501670]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  203.503713]  6323
[  203.508025]  ? lock_downgrade+0x900/0x900
[  203.514907]  ? trace_hardirqs_off+0xb8/0x310
[  203.516948] Node 0 
[  203.521085]  ? trace_hardirqs_off+0xb8/0x310
[  203.525496] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  203.527699]  __alloc_pages_slowpath+0x2667/0x2d80
[  203.532079] lowmem_reserve[]:
[  203.559072]  ? warn_alloc+0x120/0x120
[  203.563885]  0
[  203.566983]  ? trace_hardirqs_on+0x310/0x310
[  203.570755]  0
[  203.572557]  ? warn_alloc+0x120/0x120
[  203.576936]  3503
[  203.578728]  ? warn_alloc+0x120/0x120
[  203.582507]  3503
[  203.584559]  ? ktime_get+0x2e1/0x440
[  203.590391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.594082] Node 0 
[  203.599612]  ? check_preemption_disabled+0x48/0x200
[  203.599647] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  203.601848]  ? kasan_check_read+0x11/0x20
[  203.606836] lowmem_reserve[]:
[  203.635482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  203.639599]  0
[  203.642700]  ? should_fail+0x22d/0xd01
[  203.648215]  0
[  203.650010]  ? rcu_bh_qs+0xc0/0xc0
[  203.653871]  0
[  203.655669]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  203.659192]  0
[  203.660992]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  203.667871]  ? should_fail+0x22d/0xd01
[  203.673378] Node 0 DMA: 
[  203.677255]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  203.677274]  ? should_fail+0x22d/0xd01
[  203.679923] 1*4kB 
[  203.685020]  ? rcu_idle_enter+0x4b0/0x4b0
[  203.688897] (U) 
[  203.691048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  203.695181] 0*8kB 
[  203.697146]  ? mark_held_locks+0x130/0x130
[  203.702231] 0*16kB 
[  203.704368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.708587] 1*32kB 
[  203.710814]  ? mark_held_locks+0x130/0x130
[  203.716321] (U) 
[  203.718560]  ? rcu_irq_exit+0xce/0x100
[  203.722766] 2*64kB 
[  203.725143]  ? irq_exit+0xbd/0x1c0
[  203.729001] (U) 
[  203.731229]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  203.734748] 1*128kB 
[  203.736720]  ? do_raw_spin_unlock+0xa7/0x2f0
[  203.741710] (U) 
[  203.744027]  ? smp_call_function_single_interrupt+0x650/0x650
[  203.748417] 1*256kB 
[  203.750389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.756251] (U) 
[  203.758572]  ? ret_from_intr+0xb/0x1e
[  203.764082] 0*512kB 
[  203.766069]  ? retint_kernel+0x2d/0x2d
[  203.769849] 1*1024kB 
[  203.772169]  ? trace_hardirqs_on_caller+0xc0/0x310
[  203.776029] (U) 
[  203.778442]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  203.783341] 1*2048kB 
[  203.785313]  ? trace_hardirqs_off+0x310/0x310
[  203.790049] (M) 
[  203.792451]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  203.796924] 3*4096kB 
[  203.798894]  __alloc_pages_nodemask+0xa80/0xde0
[  203.803967] (M) 
[  203.806371]  ? should_fail+0x22d/0xd01
[  203.811011] = 15908kB
[  203.812986]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  203.816843] Node 0 
[  203.819254]  ? ____cache_alloc_node+0x1c7/0x1e0
[  203.824234] DMA32: 
[  203.826462]  ? lock_downgrade+0x900/0x900
[  203.831106] 3*4kB 
[  203.833334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.837455] (ME) 
[  203.839600]  cache_grow_begin+0x91/0x8c0
[  203.845115] 2*8kB 
[  203.847174]  ? do_raw_spin_unlock+0xa7/0x2f0
[  203.851202] (ME) 
[  203.853341]  fallback_alloc+0x203/0x2e0
[  203.857720] 4*16kB 
[  203.859773]  ____cache_alloc_node+0x1c7/0x1e0
[  203.863726] (UME) 
[  203.865954]  kmem_cache_alloc_node+0xe3/0x730
[  203.870424] 3*32kB 
[  203.872575]  ? ipv6_get_ifaddr+0x42e/0x620
[  203.877052] (ME) 
[  203.879287]  __alloc_skb+0x119/0x770
[  203.883497] 5*64kB 
[  203.885556]  ? skb_scrub_packet+0x490/0x490
[  203.889239] (ME) 
[  203.891462]  ? lock_downgrade+0x900/0x900
[  203.891480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  203.895779] 5*128kB 
[  203.897841]  ? refcount_sub_and_test_checked+0x203/0x310
[  203.901957] (UME) 
[  203.907486]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  203.909788] 5*256kB 
[  203.915230]  ? addrconf_rs_timer+0x690/0x690
[  203.917358] (UME) 
[  203.922797]  ndisc_alloc_skb+0x144/0x340
[  203.925093] 4*512kB 
[  203.929489]  ndisc_send_rs+0x331/0x6e0
[  203.931614] (ME) 
[  203.935671]  addrconf_rs_timer+0x314/0x690
[  203.937976] 4*1024kB 
[  203.941852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  203.943891] (UME) 
[  203.948123]  call_timer_fn+0x272/0x920
[  203.950523] 2*2048kB 
[  203.954753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  203.956874] (ME) 
[  203.960753]  ? process_timeout+0x40/0x40
[  203.963136] 3*4096kB 
[  203.967361]  ? trace_hardirqs_off+0xb8/0x310
[  203.969402] (M) 
[  203.973457]  ? kasan_check_read+0x11/0x20
[  203.975846] = 24956kB
[  203.980264]  ? do_raw_spin_unlock+0xa7/0x2f0
[  203.982214] Node 0 
[  203.986351]  ? trace_hardirqs_on+0x310/0x310
[  203.988739] Normal: 
[  203.993136]  ? __run_timers+0x7da/0xc70
[  203.995347] 1016*4kB 
[  203.999746]  ? lock_downgrade+0x900/0x900
[  204.002061] (UME) 
[  204.006040]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  204.008430] 447*8kB 
[  204.012573]  ? trace_hardirqs_on+0xbd/0x310
[  204.014704] (ME) 
[  204.019804]  ? kasan_check_read+0x11/0x20
[  204.022106] 188*16kB 
[  204.026415]  ? __run_timers+0x7da/0xc70
[  204.028446] (UME) 
[  204.032586]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  204.034967] 54*32kB 
[  204.038931]  ? kasan_check_write+0x14/0x20
[  204.041063] (UME) 
[  204.046510]  ? do_raw_spin_lock+0xc1/0x200
[  204.048806] 20*64kB 
[  204.053030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  204.055170] (UM) 
[  204.059399]  __run_timers+0x7e5/0xc70
[  204.061699] 0*128kB 
[  204.065924]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  204.067960] 0*256kB 
[  204.071749]  ? lock_acquire+0x1ed/0x520
[  204.074061] 0*512kB 
[  204.079413]  ? __hrtimer_run_queues+0x488/0x10d0
[  204.081716] 0*1024kB 
[  204.085680]  ? lock_release+0x970/0x970
[  204.087979] 0*2048kB 
[  204.092752]  ? trace_hardirqs_off+0xb8/0x310
[  204.095151] 0*4096kB 
[  204.099114]  ? do_raw_spin_unlock+0xa7/0x2f0
[  204.101505] = 13656kB
[  204.106231]  ? kasan_check_write+0x14/0x20
[  204.108627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  204.113019]  ? pvclock_read_flags+0x160/0x160
[  204.115427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  204.119644]  ? lock_downgrade+0x900/0x900
[  204.128455] 4246 total pagecache pages
[  204.132945]  ? trace_hardirqs_on+0xbd/0x310
[  204.141489] 0 pages in swap cache
[  204.145623]  ? kvm_sched_clock_read+0x9/0x20
[  204.145641]  ? irq_exit+0x17f/0x1c0
[  204.149512] Swap cache stats: add 0, delete 0, find 0/0
[  204.153827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.157253] Free swap  = 0kB
[  204.161658]  ? check_preemption_disabled+0x48/0x200
[  204.165261] Total swap = 0kB
[  204.170615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.176131] 1965979 pages RAM
[  204.179150]  run_timer_softirq+0x52/0xb0
[  204.184144] 0 pages HighMem/MovableOnly
[  204.187151]  ? __this_cpu_preempt_check+0x1c/0x1f
[  204.192664] 342307 pages reserved
[  204.195760]  __do_softirq+0x30b/0xad8
[  204.199804] 0 pages cma reserved
[  204.203772]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  204.208637] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  204.212030]  ? pvclock_read_flags+0x160/0x160
[  204.215893] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  204.219175]  ? lapic_next_event+0x5a/0x90
[  204.224256] ksoftirqd/0 cpuset=
[  204.230742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.235395] /
[  204.245705]  ? clockevents_program_event+0x140/0x370
[  204.249827]  mems_allowed=0
[  204.253101]  ? kvm_clock_read+0x18/0x30
[  204.272274]  ? kvm_sched_clock_read+0x9/0x20
[  204.276685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.282314]  ? check_preemption_disabled+0x48/0x200
[  204.287335]  irq_exit+0x17f/0x1c0
[  204.290785]  smp_apic_timer_interrupt+0x1cb/0x760
[  204.295624]  ? smp_reschedule_interrupt+0x109/0x650
[  204.300635]  ? smp_call_function_single_interrupt+0x650/0x650
[  204.306515]  ? interrupt_entry+0xb5/0xf0
[  204.310582]  ? trace_hardirqs_off_caller+0xbb/0x310
[  204.315595]  ? trace_hardirqs_off_caller+0xbb/0x310
[  204.320612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.325465]  ? trace_hardirqs_on_caller+0x310/0x310
[  204.330478]  ? trace_hardirqs_on_caller+0x310/0x310
[  204.335489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.341022]  ? check_preemption_disabled+0x48/0x200
[  204.346055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.350902]  apic_timer_interrupt+0xf/0x20
[  204.355123]  </IRQ>
[  204.357364] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  204.362291] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  204.381190] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  204.388896] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  204.396160] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  204.403425] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  204.410689] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  204.417952] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  204.425232]  ? trace_hardirqs_on+0xb4/0x310
[  204.429572]  skb_clone+0x1bb/0x500
[  204.433111]  ? skb_split+0x11e0/0x11e0
[  204.436999]  ? preempt_notifier_register+0x200/0x200
[  204.442098]  ? __switch_to_asm+0x34/0x70
[  204.446157]  ? __switch_to_asm+0x34/0x70
[  204.450212]  ? __switch_to_asm+0x40/0x70
[  204.454271]  ? __switch_to_asm+0x34/0x70
[  204.458327]  ? __switch_to_asm+0x40/0x70
[  204.462385]  ? __switch_to_asm+0x40/0x70
[  204.466442]  ? __switch_to_asm+0x34/0x70
[  204.470502]  ? __switch_to_asm+0x34/0x70
[  204.474562]  ? __switch_to_asm+0x40/0x70
[  204.478736]  ? __switch_to_asm+0x34/0x70
[  204.482796]  bpf_clone_redirect+0xb9/0x490
[  204.487040]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  204.492065]  ? __sched_text_start+0x8/0x8
[  204.496217]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  204.500972]  ? retint_kernel+0x2d/0x2d
[  204.504858]  ? trace_hardirqs_on_caller+0xc0/0x310
[  204.509789]  ? rcu_gp_kthread+0x2310/0x2310
[  204.514112]  ? trace_hardirqs_off+0x310/0x310
[  204.518611]  ? lock_acquire+0x1ed/0x520
[  204.522584]  ? bpf_test_run+0x3cb/0x780
[  204.526558]  ? lock_downgrade+0x900/0x900
[  204.530705]  ? lock_release+0x970/0x970
[  204.534676]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  204.540475]  ? preempt_schedule_common+0x1f/0xd0
[  204.545269]  ? preempt_schedule+0x4d/0x60
[  204.549431]  ? ___preempt_schedule+0x16/0x18
[  204.553839]  ? bpf_test_run+0x25d/0x780
[  204.557818]  ? netlink_diag_dump+0x2a0/0x2a0
[  204.562230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.567764]  ? bpf_test_init.isra.9+0x70/0x100
[  204.572348]  ? bpf_prog_test_run_skb+0x634/0xb40
[  204.577121]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  204.581960]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  204.587492]  ? fput+0x130/0x1a0
[  204.590771]  ? __bpf_prog_get+0x9b/0x290
[  204.594830]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  204.599669]  ? bpf_prog_test_run+0x130/0x1a0
[  204.604082]  ? __x64_sys_bpf+0x3d8/0x510
[  204.608143]  ? bpf_prog_get+0x20/0x20
[  204.611955]  ? do_syscall_64+0x1b9/0x820
[  204.616016]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  204.621400]  ? syscall_return_slowpath+0x5e0/0x5e0
[  204.626328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.631167]  ? trace_hardirqs_on_caller+0x310/0x310
[  204.636185]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  204.641199]  ? prepare_exit_to_usermode+0x291/0x3b0
[  204.646214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.651068]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  204.656449] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  204.656500] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  204.663294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  204.669830] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  204.679103] Call Trace:
[  204.689572] syz-executor4 cpuset=syz4
[  204.692162]  dump_stack+0x1c4/0x2b4
[  204.692178]  ? dump_stack_print_info.cold.2+0x52/0x52
[  204.695958]  mems_allowed=0
[  204.699579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.713482]  warn_alloc.cold.119+0xb7/0x1bd
[  204.717809]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  204.722661]  ? lock_downgrade+0x900/0x900
[  204.726821]  ? trace_hardirqs_off+0xb8/0x310
[  204.731251]  ? trace_hardirqs_off+0xb8/0x310
[  204.735669]  __alloc_pages_slowpath+0x2667/0x2d80
[  204.740522]  ? mark_held_locks+0x130/0x130
[  204.744755]  ? warn_alloc+0x120/0x120
[  204.748554]  ? warn_alloc+0x120/0x120
[  204.752359]  ? warn_alloc+0x120/0x120
[  204.756163]  ? mark_held_locks+0x130/0x130
[  204.760409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.765951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.771489]  ? should_fail+0x22d/0xd01
[  204.775386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  204.780490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.786025]  ? should_fail+0x22d/0xd01
[  204.789936]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  204.795059]  ? should_fail+0x22d/0xd01
[  204.798960]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  204.804075]  ? mark_held_locks+0x130/0x130
[  204.808318]  ? mark_held_locks+0x130/0x130
[  204.812559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.818100]  ? trace_hardirqs_off+0xb8/0x310
[  204.822508]  ? kasan_check_read+0x11/0x20
[  204.826667]  ? do_raw_spin_unlock+0xa7/0x2f0
[  204.831084]  ? trace_hardirqs_on+0x310/0x310
[  204.835496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.841056]  ? wq_watchdog_touch+0x9c/0xfe
[  204.845296]  ? io_serial_in+0x11/0x90
[  204.849101]  ? retint_kernel+0x2d/0x2d
[  204.852987]  ? trace_hardirqs_on_caller+0xc0/0x310
[  204.857918]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  204.862682]  ? trace_hardirqs_off+0x310/0x310
[  204.867179]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  204.872301]  __alloc_pages_nodemask+0xa80/0xde0
[  204.876973]  ? should_fail+0x22d/0xd01
[  204.880865]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  204.885895]  ? ____cache_alloc_node+0x1c7/0x1e0
[  204.890561]  ? lock_downgrade+0x900/0x900
[  204.894716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.900281]  cache_grow_begin+0x91/0x8c0
[  204.904344]  ? do_raw_spin_unlock+0xa7/0x2f0
[  204.908768]  fallback_alloc+0x203/0x2e0
[  204.912750]  ____cache_alloc_node+0x1c7/0x1e0
[  204.917257]  kmem_cache_alloc_node+0xe3/0x730
[  204.921755]  ? ipv6_get_ifaddr+0x42e/0x620
[  204.925995]  __alloc_skb+0x119/0x770
[  204.929710]  ? skb_scrub_packet+0x490/0x490
[  204.934057]  ? lock_downgrade+0x900/0x900
[  204.938226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.943767]  ? refcount_sub_and_test_checked+0x203/0x310
[  204.949228]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  204.954683]  ? addrconf_rs_timer+0x690/0x690
[  204.959103]  ndisc_alloc_skb+0x144/0x340
[  204.963165]  ndisc_send_rs+0x331/0x6e0
[  204.967069]  addrconf_rs_timer+0x314/0x690
[  204.971317]  ? lock_release+0x970/0x970
[  204.975293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  204.979551]  call_timer_fn+0x272/0x920
[  204.983443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  204.987681]  ? process_timeout+0x40/0x40
[  204.991744]  ? kasan_check_read+0x11/0x20
[  204.995892]  ? do_raw_spin_unlock+0xa7/0x2f0
[  205.000305]  ? trace_hardirqs_on+0x310/0x310
[  205.004721]  ? __run_timers+0x7da/0xc70
[  205.008703]  ? lock_downgrade+0x900/0x900
[  205.012859]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  205.017978]  ? trace_hardirqs_on+0xbd/0x310
[  205.022307]  ? kasan_check_read+0x11/0x20
[  205.026461]  ? __run_timers+0x7da/0xc70
[  205.030441]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  205.035897]  ? kasan_check_write+0x14/0x20
[  205.040140]  ? do_raw_spin_lock+0xc1/0x200
[  205.044425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  205.048673]  __run_timers+0x7e5/0xc70
[  205.052488]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  205.057864]  ? lock_downgrade+0x900/0x900
[  205.062016]  ? finish_task_switch+0x1b5/0x900
[  205.066531]  ? trace_hardirqs_on+0xbd/0x310
[  205.070850]  ? kasan_check_read+0x11/0x20
[  205.075005]  ? finish_task_switch+0x1f5/0x900
[  205.079521]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  205.084980]  ? compat_start_thread+0x80/0x80
[  205.089406]  ? pvclock_read_flags+0x160/0x160
[  205.093907]  ? __switch_to_asm+0x34/0x70
[  205.097974]  ? __switch_to_asm+0x34/0x70
[  205.102523]  ? __switch_to_asm+0x40/0x70
[  205.106584]  ? __switch_to_asm+0x40/0x70
[  205.110648]  ? __switch_to_asm+0x34/0x70
[  205.114709]  ? __switch_to_asm+0x40/0x70
[  205.118782]  ? trace_hardirqs_on+0xbd/0x310
[  205.123111]  ? kvm_sched_clock_read+0x9/0x20
[  205.127529]  ? run_ksoftirqd+0x94/0x100
[  205.131520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.137067]  ? check_preemption_disabled+0x48/0x200
[  205.142088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.147633]  run_timer_softirq+0x52/0xb0
[  205.151701]  ? __this_cpu_preempt_check+0x1c/0x1f
[  205.156556]  __do_softirq+0x30b/0xad8
[  205.160378]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  205.165485]  ? trace_hardirqs_off+0x310/0x310
[  205.169989]  ? retint_kernel+0x1b/0x2d
[  205.173878]  ? schedule+0x108/0x460
[  205.177508]  ? trace_hardirqs_off+0xb8/0x310
[  205.181920]  ? smpboot_thread_fn+0x68b/0xa00
[  205.186329]  ? trace_hardirqs_on+0x310/0x310
[  205.190754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  205.196300]  ? check_preemption_disabled+0x48/0x200
[  205.201323]  ? takeover_tasklets+0xa90/0xa90
[  205.205734]  run_ksoftirqd+0x94/0x100
[  205.209542]  smpboot_thread_fn+0x68b/0xa00
[  205.213781]  ? sort_range+0x30/0x30
[  205.217407]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  205.222516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  205.228073]  ? __kthread_parkme+0xfb/0x1a0
[  205.232319]  kthread+0x35a/0x420
[  205.235688]  ? sort_range+0x30/0x30
[  205.239318]  ? kthread_bind+0x40/0x40
[  205.243121]  ret_from_fork+0x3a/0x50
[  205.246835] warn_alloc_show_mem: 1 callbacks suppressed
[  205.246848] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  205.246849] Mem-Info:
[  205.246880] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  205.246880]  active_file:17 inactive_file:15 isolated_file:0
[  205.246880]  unevictable:0 dirty:0 writeback:0 unstable:0
[  205.246880]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  205.246880]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  205.246880]  free:13630 free_pcp:175 free_cma:0
[  205.252216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  205.259497] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  205.261893] Call Trace:
[  205.294936] Node 0 
[  205.304597]  <IRQ>
[  205.332396] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  205.334955]  dump_stack+0x1c4/0x2b4
[  205.337167] lowmem_reserve[]:
[  205.339312]  ? dump_stack_print_info.cold.2+0x52/0x52
[  205.364808]  0
[  205.368431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.371513]  2819
[  205.376700]  warn_alloc.cold.119+0xb7/0x1bd
[  205.378477]  6323
[  205.384007]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  205.386052]  6323
[  205.390713]  ? lock_downgrade+0x900/0x900
[  205.397585]  ? trace_hardirqs_off+0xb8/0x310
[  205.399621] Node 0 
[  205.403764]  ? trace_hardirqs_off+0xb8/0x310
[  205.408177] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  205.410375]  __alloc_pages_slowpath+0x2667/0x2d80
[  205.414761] lowmem_reserve[]:
[  205.442156]  ? warn_alloc+0x120/0x120
[  205.446961]  0
[  205.450060]  ? trace_hardirqs_on+0x310/0x310
[  205.450076]  ? warn_alloc+0x120/0x120
[  205.453857]  0
[  205.455651]  ? warn_alloc+0x120/0x120
[  205.460043]  3503
[  205.463835]  ? ktime_get+0x2e1/0x440
[  205.465607]  3503
[  205.469401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.475143]  ? check_preemption_disabled+0x48/0x200
[  205.477184] Node 0 
[  205.482714]  ? kasan_check_read+0x11/0x20
[  205.487746] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  205.489945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  205.494068] lowmem_reserve[]:
[  205.522607]  ? should_fail+0x22d/0xd01
[  205.528116]  0
[  205.531213]  ? rcu_bh_qs+0xc0/0xc0
[  205.535071]  0
[  205.536864]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  205.540372]  0
[  205.542170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  205.547245]  0
[  205.549051]  ? should_fail+0x22d/0xd01
[  205.556361]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  205.560225] Node 0 
[  205.565313]  ? should_fail+0x22d/0xd01
[  205.565322] DMA: 
[  205.567557]  ? rcu_idle_enter+0x4b0/0x4b0
[  205.571411] 1*4kB 
[  205.573463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  205.577584] (U) 
[  205.579726]  ? mark_held_locks+0x130/0x130
[  205.584806] 0*8kB 
[  205.586782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.590992] 0*16kB 
[  205.593137]  ? mark_held_locks+0x130/0x130
[  205.598648] 1*32kB 
[  205.600880]  ? rcu_irq_exit+0xce/0x100
[  205.605083] (U) 
[  205.607313]  ? irq_exit+0xbd/0x1c0
[  205.611170] 2*64kB 
[  205.613137]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  205.616653] (U) 
[  205.618885]  ? do_raw_spin_unlock+0xa7/0x2f0
[  205.623875] 1*128kB 
[  205.625846]  ? smp_call_function_single_interrupt+0x650/0x650
[  205.630230] (U) 
[  205.632554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.638412] 1*256kB 
[  205.640381]  ? ret_from_intr+0xb/0x1e
[  205.645890] (U) 
[  205.648206]  ? retint_kernel+0x2d/0x2d
[  205.651986] 0*512kB 
[  205.653952]  ? trace_hardirqs_on_caller+0xc0/0x310
[  205.657812] 1*1024kB 
[  205.660135]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  205.665052] (U) 
[  205.667951]  ? trace_hardirqs_off+0x310/0x310
[  205.667969]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  205.672706] 1*2048kB 
[  205.674676]  __alloc_pages_nodemask+0xa80/0xde0
[  205.679141] (M) 
[  205.684242]  ? should_fail+0x22d/0xd01
[  205.686623] 3*4096kB 
[  205.691285]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  205.693237] (M) 
[  205.697123]  ? ____cache_alloc_node+0x1c7/0x1e0
[  205.699501] = 15908kB
[  205.704514]  ? lock_downgrade+0x900/0x900
[  205.704533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.706487] Node 0 
[  205.711155]  cache_grow_begin+0x91/0x8c0
[  205.713538] DMA32: 
[  205.717683]  ? do_raw_spin_unlock+0xa7/0x2f0
[  205.723195] 3*4kB 
[  205.725429]  fallback_alloc+0x203/0x2e0
[  205.729470] (ME) 
[  205.731704]  ____cache_alloc_node+0x1c7/0x1e0
[  205.736086] 2*8kB 
[  205.738228]  kmem_cache_alloc_node+0xe3/0x730
[  205.742171] (ME) 
[  205.744229]  ? ipv6_get_ifaddr+0x42e/0x620
[  205.748697] 4*16kB 
[  205.750837]  __alloc_skb+0x119/0x770
[  205.755306] (UME) 
[  205.757360]  ? skb_scrub_packet+0x490/0x490
[  205.761565] 3*32kB 
[  205.763791]  ? lock_downgrade+0x900/0x900
[  205.767472] (ME) 
[  205.769615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  205.773908] 5*64kB 
[  205.776142]  ? refcount_sub_and_test_checked+0x203/0x310
[  205.780258] (ME) 
[  205.782315]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  205.787822] 5*128kB 
[  205.790054]  ? addrconf_rs_timer+0x690/0x690
[  205.795482] (UME) 
[  205.797539]  ndisc_alloc_skb+0x144/0x340
[  205.802962] 5*256kB 
[  205.805276]  ndisc_send_rs+0x331/0x6e0
[  205.809659] (UME) 
[  205.811797]  addrconf_rs_timer+0x314/0x690
[  205.815834] 4*512kB 
[  205.818150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  205.822011] (ME) 
[  205.824156]  call_timer_fn+0x272/0x920
[  205.828355] 4*1024kB 
[  205.830666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  205.834876] (UME) 
[  205.836928]  ? process_timeout+0x40/0x40
[  205.840789] 2*2048kB 
[  205.843193]  ? trace_hardirqs_off+0xb8/0x310
[  205.847400] (ME) 
[  205.849541]  ? kasan_check_read+0x11/0x20
[  205.853575] 3*4096kB 
[  205.855977]  ? do_raw_spin_unlock+0xa7/0x2f0
[  205.860355] (M) 
[  205.862410]  ? trace_hardirqs_on+0x310/0x310
[  205.866527] = 24956kB
[  205.868931]  ? __run_timers+0x7da/0xc70
[  205.873312] Node 0 
[  205.875278]  ? lock_downgrade+0x900/0x900
[  205.879655] Normal: 
[  205.882074]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  205.886020] 1016*4kB 
[  205.888256]  ? trace_hardirqs_on+0xbd/0x310
[  205.892377] (UME) 
[  205.894691]  ? kasan_check_read+0x11/0x20
[  205.899769] 447*8kB 
[  205.902184]  ? __run_timers+0x7da/0xc70
[  205.906479] (ME) 
[  205.908622]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  205.912741] 188*16kB 
[  205.915063]  ? kasan_check_write+0x14/0x20
[  205.919013] (UME) 
[  205.921118]  ? do_raw_spin_lock+0xc1/0x200
[  205.926549] 54*32kB (UME) 
[  205.928959]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  205.933169] 20*64kB 
[  205.935321]  __run_timers+0x7e5/0xc70
[  205.939525] (UM) 
[  205.942368]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  205.946569] 0*128kB 
[  205.948881]  ? lock_acquire+0x1ed/0x520
[  205.952667] 0*256kB 
[  205.954720]  ? __hrtimer_run_queues+0x488/0x10d0
[  205.960081] 0*512kB 
[  205.962392]  ? lock_release+0x970/0x970
[  205.966343] 0*1024kB 
[  205.968664]  ? trace_hardirqs_off+0xb8/0x310
[  205.973408] 0*2048kB 
[  205.975735]  ? do_raw_spin_unlock+0xa7/0x2f0
[  205.979683] 0*4096kB 
[  205.982087]  ? kasan_check_write+0x14/0x20
[  205.986465] = 13656kB
[  205.988877]  ? pvclock_read_flags+0x160/0x160
[  205.993261] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  205.995655]  ? lock_downgrade+0x900/0x900
[  205.999865] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  206.002263]  ? trace_hardirqs_on+0xbd/0x310
[  206.006729] 4246 total pagecache pages
[  206.015559]  ? kvm_sched_clock_read+0x9/0x20
[  206.019670] 0 pages in swap cache
[  206.028254]  ? irq_exit+0x17f/0x1c0
[  206.032550] Swap cache stats: add 0, delete 0, find 0/0
[  206.036460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.040842] Free swap  = 0kB
[  206.044284]  ? check_preemption_disabled+0x48/0x200
[  206.047882] Total swap = 0kB
[  206.053237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.058744] 1965979 pages RAM
[  206.061756]  run_timer_softirq+0x52/0xb0
[  206.066742] 0 pages HighMem/MovableOnly
[  206.069751]  ? __this_cpu_preempt_check+0x1c/0x1f
[  206.075260] 342307 pages reserved
[  206.078360]  __do_softirq+0x30b/0xad8
[  206.082396] 0 pages cma reserved
[  206.086358]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  206.091230] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  206.094616]  ? pvclock_read_flags+0x160/0x160
[  206.094633]  ? lapic_next_event+0x5a/0x90
[  206.098456] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  206.102080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.107177] ksoftirqd/0 cpuset=
[  206.113661]  ? clockevents_program_event+0x140/0x370
[  206.118129] /
[  206.122272]  ? kvm_clock_read+0x18/0x30
[  206.132554]  mems_allowed=0
[  206.155005]  ? kvm_sched_clock_read+0x9/0x20
[  206.159422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.164954]  ? check_preemption_disabled+0x48/0x200
[  206.169974]  irq_exit+0x17f/0x1c0
[  206.173425]  smp_apic_timer_interrupt+0x1cb/0x760
[  206.178261]  ? smp_reschedule_interrupt+0x109/0x650
[  206.183275]  ? smp_call_function_single_interrupt+0x650/0x650
[  206.189158]  ? interrupt_entry+0xb5/0xf0
[  206.193215]  ? trace_hardirqs_off_caller+0xbb/0x310
[  206.198228]  ? trace_hardirqs_off_caller+0xbb/0x310
[  206.203240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  206.208078]  ? trace_hardirqs_on_caller+0x310/0x310
[  206.213090]  ? trace_hardirqs_on_caller+0x310/0x310
[  206.218102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.223636]  ? check_preemption_disabled+0x48/0x200
[  206.228656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  206.233970]  apic_timer_interrupt+0xf/0x20
[  206.238199]  </IRQ>
[  206.240435] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  206.245405] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  206.264300] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  206.272004] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  206.279273] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  206.286535] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  206.293819] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  206.301087] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  206.308366]  ? trace_hardirqs_on+0xb4/0x310
[  206.312701]  skb_clone+0x1bb/0x500
[  206.316246]  ? skb_split+0x11e0/0x11e0
[  206.320133]  ? preempt_notifier_register+0x200/0x200
[  206.325235]  ? __switch_to_asm+0x34/0x70
[  206.329294]  ? __switch_to_asm+0x34/0x70
[  206.333354]  ? __switch_to_asm+0x40/0x70
[  206.337414]  ? __switch_to_asm+0x34/0x70
[  206.341470]  ? __switch_to_asm+0x40/0x70
[  206.345529]  ? __switch_to_asm+0x40/0x70
[  206.349590]  ? __switch_to_asm+0x34/0x70
[  206.353644]  ? __switch_to_asm+0x34/0x70
[  206.357715]  ? __switch_to_asm+0x40/0x70
[  206.361787]  ? __switch_to_asm+0x34/0x70
[  206.365856]  bpf_clone_redirect+0xb9/0x490
[  206.370095]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  206.375108]  ? __sched_text_start+0x8/0x8
[  206.379254]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  206.384006]  ? retint_kernel+0x2d/0x2d
[  206.387902]  ? trace_hardirqs_on_caller+0xc0/0x310
[  206.392833]  ? rcu_gp_kthread+0x2310/0x2310
[  206.397155]  ? trace_hardirqs_off+0x310/0x310
[  206.401655]  ? lock_acquire+0x1ed/0x520
[  206.405628]  ? bpf_test_run+0x3cb/0x780
[  206.409597]  ? lock_downgrade+0x900/0x900
[  206.413746]  ? lock_release+0x970/0x970
[  206.417718]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  206.423531]  ? preempt_schedule_common+0x1f/0xd0
[  206.428292]  ? preempt_schedule+0x4d/0x60
[  206.432439]  ? ___preempt_schedule+0x16/0x18
[  206.436849]  ? bpf_test_run+0x25d/0x780
[  206.440827]  ? netlink_diag_dump+0x2a0/0x2a0
[  206.445235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  206.450772]  ? bpf_test_init.isra.9+0x70/0x100
[  206.455358]  ? bpf_prog_test_run_skb+0x634/0xb40
[  206.460118]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  206.465064]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  206.470602]  ? fput+0x130/0x1a0
[  206.473883]  ? __bpf_prog_get+0x9b/0x290
[  206.477942]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  206.482785]  ? bpf_prog_test_run+0x130/0x1a0
[  206.487196]  ? __x64_sys_bpf+0x3d8/0x510
[  206.491258]  ? bpf_prog_get+0x20/0x20
[  206.495075]  ? do_syscall_64+0x1b9/0x820
[  206.499149]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  206.504516]  ? syscall_return_slowpath+0x5e0/0x5e0
[  206.509445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  206.514290]  ? trace_hardirqs_on_caller+0x310/0x310
[  206.519303]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  206.524321]  ? prepare_exit_to_usermode+0x291/0x3b0
[  206.529338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  206.534182]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  206.539555] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  206.539611] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  206.546396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  206.546400] Call Trace:
[  206.546426]  dump_stack+0x1c4/0x2b4
[  206.546453]  ? dump_stack_print_info.cold.2+0x52/0x52
[  206.552975] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  206.562286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.564826] syz-executor4 cpuset=
[  206.568452]  warn_alloc.cold.119+0xb7/0x1bd
[  206.573612] syz4
[  206.584091]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  206.589605]  mems_allowed=0
[  206.593068]  ? lock_downgrade+0x900/0x900
[  206.611209]  ? trace_hardirqs_off+0xb8/0x310
[  206.615617]  ? trace_hardirqs_off+0xb8/0x310
[  206.620032]  __alloc_pages_slowpath+0x2667/0x2d80
[  206.624912]  ? mark_held_locks+0x130/0x130
[  206.629144]  ? warn_alloc+0x120/0x120
[  206.632946]  ? warn_alloc+0x120/0x120
[  206.636761]  ? warn_alloc+0x120/0x120
[  206.640573]  ? mark_held_locks+0x130/0x130
[  206.644822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.650356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  206.655903]  ? should_fail+0x22d/0xd01
[  206.659795]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  206.664900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  206.670446]  ? should_fail+0x22d/0xd01
[  206.674337]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  206.679443]  ? should_fail+0x22d/0xd01
[  206.683341]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  206.688445]  ? mark_held_locks+0x130/0x130
[  206.692703]  ? mark_held_locks+0x130/0x130
[  206.696952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.702491]  ? trace_hardirqs_off+0xb8/0x310
[  206.706917]  ? kasan_check_read+0x11/0x20
[  206.711078]  ? do_raw_spin_unlock+0xa7/0x2f0
[  206.715493]  ? trace_hardirqs_on+0x310/0x310
[  206.719915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.725452]  ? wq_watchdog_touch+0x9c/0xfe
[  206.729684]  ? io_serial_in+0x11/0x90
[  206.733490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.739053]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  206.744191]  __alloc_pages_nodemask+0xa80/0xde0
[  206.748863]  ? should_fail+0x22d/0xd01
[  206.752759]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  206.757793]  ? ____cache_alloc_node+0x1c7/0x1e0
[  206.762466]  ? lock_downgrade+0x900/0x900
[  206.766626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.772177]  cache_grow_begin+0x91/0x8c0
[  206.776257]  ? do_raw_spin_unlock+0xa7/0x2f0
[  206.780693]  fallback_alloc+0x203/0x2e0
[  206.784683]  ____cache_alloc_node+0x1c7/0x1e0
[  206.789182]  kmem_cache_alloc_node+0xe3/0x730
[  206.793680]  ? ipv6_get_ifaddr+0x42e/0x620
[  206.797919]  __alloc_skb+0x119/0x770
[  206.801636]  ? skb_scrub_packet+0x490/0x490
[  206.805965]  ? lock_downgrade+0x900/0x900
[  206.810119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  206.815654]  ? refcount_sub_and_test_checked+0x203/0x310
[  206.821136]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  206.826588]  ? addrconf_rs_timer+0x690/0x690
[  206.830998]  ndisc_alloc_skb+0x144/0x340
[  206.835071]  ndisc_send_rs+0x331/0x6e0
[  206.838965]  addrconf_rs_timer+0x314/0x690
[  206.843204]  ? lock_release+0x970/0x970
[  206.847184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  206.851435]  call_timer_fn+0x272/0x920
[  206.855335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  206.859579]  ? process_timeout+0x40/0x40
[  206.863642]  ? kasan_check_read+0x11/0x20
[  206.867791]  ? do_raw_spin_unlock+0xa7/0x2f0
[  206.872205]  ? trace_hardirqs_on+0x310/0x310
[  206.876625]  ? __run_timers+0x7da/0xc70
[  206.880622]  ? lock_downgrade+0x900/0x900
[  206.884786]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  206.889886]  ? trace_hardirqs_on+0xbd/0x310
[  206.894210]  ? kasan_check_read+0x11/0x20
[  206.898363]  ? __run_timers+0x7da/0xc70
[  206.902336]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  206.907787]  ? kasan_check_write+0x14/0x20
[  206.912024]  ? do_raw_spin_lock+0xc1/0x200
[  206.916281]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  206.920524]  __run_timers+0x7e5/0xc70
[  206.924343]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  206.929719]  ? lock_downgrade+0x900/0x900
[  206.933874]  ? finish_task_switch+0x1b5/0x900
[  206.938381]  ? trace_hardirqs_on+0xbd/0x310
[  206.942721]  ? kasan_check_read+0x11/0x20
[  206.946885]  ? finish_task_switch+0x1f5/0x900
[  206.951378]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  206.956856]  ? compat_start_thread+0x80/0x80
[  206.961294]  ? pvclock_read_flags+0x160/0x160
[  206.965788]  ? __switch_to_asm+0x34/0x70
[  206.969892]  ? __switch_to_asm+0x34/0x70
[  206.973958]  ? __switch_to_asm+0x40/0x70
[  206.978053]  ? __switch_to_asm+0x40/0x70
[  206.982124]  ? __switch_to_asm+0x34/0x70
[  206.986190]  ? __switch_to_asm+0x40/0x70
[  206.990267]  ? trace_hardirqs_on+0xbd/0x310
[  206.994594]  ? kvm_sched_clock_read+0x9/0x20
[  206.999011]  ? run_ksoftirqd+0x94/0x100
[  207.002995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.008552]  ? check_preemption_disabled+0x48/0x200
[  207.013570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.019111]  run_timer_softirq+0x52/0xb0
[  207.023193]  ? __this_cpu_preempt_check+0x1c/0x1f
[  207.028060]  __do_softirq+0x30b/0xad8
[  207.031870]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  207.036969]  ? trace_hardirqs_off+0x310/0x310
[  207.041482]  ? retint_kernel+0x1b/0x2d
[  207.045390]  ? schedule+0x108/0x460
[  207.049034]  ? trace_hardirqs_off+0xb8/0x310
[  207.053465]  ? smpboot_thread_fn+0x68b/0xa00
[  207.057872]  ? trace_hardirqs_on+0x310/0x310
[  207.062296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.067840]  ? check_preemption_disabled+0x48/0x200
[  207.072884]  ? takeover_tasklets+0xa90/0xa90
[  207.077299]  run_ksoftirqd+0x94/0x100
[  207.081111]  smpboot_thread_fn+0x68b/0xa00
[  207.085367]  ? sort_range+0x30/0x30
[  207.089019]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  207.094139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.099677]  ? __kthread_parkme+0xfb/0x1a0
[  207.103916]  kthread+0x35a/0x420
[  207.107304]  ? sort_range+0x30/0x30
[  207.110935]  ? kthread_bind+0x40/0x40
[  207.114747]  ret_from_fork+0x3a/0x50
[  207.118468] warn_alloc_show_mem: 1 callbacks suppressed
[  207.118480] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  207.118482] Mem-Info:
[  207.118513] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  207.118513]  active_file:17 inactive_file:15 isolated_file:0
[  207.118513]  unevictable:0 dirty:0 writeback:0 unstable:0
[  207.118513]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  207.118513]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  207.118513]  free:13630 free_pcp:175 free_cma:0
[  207.123845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  207.131130] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  207.133527] Call Trace:
[  207.166571] Node 0 
[  207.175906]  <IRQ>
[  207.175928]  dump_stack+0x1c4/0x2b4
[  207.203705] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  207.206281]  ? dump_stack_print_info.cold.2+0x52/0x52
[  207.208494] lowmem_reserve[]:
[  207.210637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.214233]  0
[  207.239732]  warn_alloc.cold.119+0xb7/0x1bd
[  207.244902]  2819
[  207.248106]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  207.253618]  6323
[  207.255419]  ? lock_downgrade+0x900/0x900
[  207.259712]  6323
[  207.261771]  ? trace_hardirqs_off+0xb8/0x310
[  207.268645]  ? trace_hardirqs_off+0xb8/0x310
[  207.272768] Node 0 
[  207.274833]  __alloc_pages_slowpath+0x2667/0x2d80
[  207.279238] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  207.283623]  ? warn_alloc+0x120/0x120
[  207.285828] lowmem_reserve[]:
[  207.290664]  ? warn_alloc+0x120/0x120
[  207.317620]  0
[  207.321412]  ? warn_alloc+0x120/0x120
[  207.324489]  0
[  207.328287]  ? mark_held_locks+0x130/0x130
[  207.330074]  3503
[  207.333866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.335644]  3503
[  207.339876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.347442]  ? should_fail+0x22d/0xd01
[  207.349487] Node 0 
[  207.355010]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  207.358906] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  207.361094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.366169] lowmem_reserve[]:
[  207.394623]  ? should_fail+0x22d/0xd01
[  207.400146]  0
[  207.403242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  207.407103]  0
[  207.408896]  ? should_fail+0x22d/0xd01
[  207.413980]  0
[  207.415779]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  207.419630]  0
[  207.421433]  ? mark_held_locks+0x130/0x130
[  207.421451]  ? mark_held_locks+0x130/0x130
[  207.426537] Node 0 
[  207.428340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.432550] DMA: 1*4kB 
[  207.437053]  ? try_to_wake_up+0x10a/0x12f0
[  207.439266] (U) 
[  207.444793]  ? lock_downgrade+0x900/0x900
[  207.447353] 0*8kB 
[  207.451581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.453541] 0*16kB 
[  207.457680]  ? trace_hardirqs_off+0xb8/0x310
[  207.459801] 1*32kB 
[  207.465326]  ? kasan_check_read+0x11/0x20
[  207.467537] (U) 
[  207.471940]  ? do_raw_spin_unlock+0xa7/0x2f0
[  207.474158] 2*64kB 
[  207.478302]  ? trace_hardirqs_on+0x310/0x310
[  207.480251] (U) 
[  207.484648]  ? kasan_check_write+0x14/0x20
[  207.486872] 1*128kB 
[  207.491263]  ? do_raw_spin_lock+0xc1/0x200
[  207.493226] (U) 
[  207.497451]  __alloc_pages_nodemask+0xa80/0xde0
[  207.499759] 1*256kB 
[  207.503989]  ? should_fail+0x22d/0xd01
[  207.505945] (U) 
[  207.510609]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  207.512907] 0*512kB 
[  207.516798]  ? ____cache_alloc_node+0x1c7/0x1e0
[  207.518737] 1*1024kB 
[  207.523746]  ? lock_downgrade+0x900/0x900
[  207.526053] (U) 
[  207.530714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.533103] 1*2048kB 
[  207.537240]  cache_grow_begin+0x91/0x8c0
[  207.539192] (M) 
[  207.544723]  ? do_raw_spin_unlock+0xa7/0x2f0
[  207.547105] 3*4096kB (M) 
[  207.551169]  fallback_alloc+0x203/0x2e0
[  207.553125] = 15908kB
[  207.557532]  ____cache_alloc_node+0x1c7/0x1e0
[  207.560265] Node 0 
[  207.564240]  kmem_cache_alloc_node+0xe3/0x730
[  207.566625] DMA32: 
[  207.571109]  ? ipv6_get_ifaddr+0x42e/0x620
[  207.571127]  __alloc_skb+0x119/0x770
[  207.573358] 3*4kB 
[  207.577841]  ? skb_scrub_packet+0x490/0x490
[  207.580069] (ME) 
[  207.584295]  ? lock_downgrade+0x900/0x900
[  207.587979] 2*8kB 
[  207.590135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.594422] (ME) 
[  207.596483]  ? refcount_sub_and_test_checked+0x203/0x310
[  207.600602] 4*16kB 
[  207.602742]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  207.608250] (UME) 
[  207.610309]  ? addrconf_rs_timer+0x690/0x690
[  207.615733] 3*32kB 
[  207.617983]  ndisc_alloc_skb+0x144/0x340
[  207.623406] (ME) 
[  207.625554]  ndisc_send_rs+0x331/0x6e0
[  207.629934] 5*64kB 
[  207.632163]  addrconf_rs_timer+0x314/0x690
[  207.636205] (ME) 5*128kB 
[  207.638269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  207.642129] (UME) 5*256kB 
[  207.644375]  call_timer_fn+0x272/0x920
[  207.648578] (UME) 
[  207.651324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  207.655551] 4*512kB (ME) 
[  207.658400]  ? process_timeout+0x40/0x40
[  207.662266] 4*1024kB 
[  207.664405]  ? trace_hardirqs_off+0xb8/0x310
[  207.664427]  ? kasan_check_read+0x11/0x20
[  207.668642] (UME) 
[  207.671391]  ? do_raw_spin_unlock+0xa7/0x2f0
[  207.675425] 2*2048kB 
[  207.677825]  ? trace_hardirqs_on+0x310/0x310
[  207.682213] (ME) 
[  207.686356]  ? __run_timers+0x7da/0xc70
[  207.688491] 3*4096kB 
[  207.692892]  ? lock_downgrade+0x900/0x900
[  207.695284] (M) 
[  207.699689]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  207.701722] = 24956kB
[  207.705692]  ? trace_hardirqs_on+0xbd/0x310
[  207.708076] Node 0 
[  207.712215]  ? kasan_check_read+0x11/0x20
[  207.714171] Normal: 
[  207.719265]  ? __run_timers+0x7da/0xc70
[  207.721646] 1016*4kB 
[  207.725956]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  207.728165] (UME) 
[  207.732305]  ? kasan_check_write+0x14/0x20
[  207.734602] 447*8kB 
[  207.738577]  ? do_raw_spin_lock+0xc1/0x200
[  207.740963] (ME) 
[  207.746407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  207.748530] 188*16kB 
[  207.752754]  __run_timers+0x7e5/0xc70
[  207.752776]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  207.755075] (UME) 
[  207.759296]  ? lock_acquire+0x1ed/0x520
[  207.761340] 54*32kB 
[  207.765565]  ? __hrtimer_run_queues+0x488/0x10d0
[  207.767954] (UME) 
[  207.771744]  ? lock_release+0x970/0x970
[  207.777088] 20*64kB 
[  207.779230]  ? trace_hardirqs_off+0xb8/0x310
[  207.783180] (UM) 
[  207.785502]  ? do_raw_spin_unlock+0xa7/0x2f0
[  207.790231] 0*128kB 
[  207.792377]  ? kasan_check_write+0x14/0x20
[  207.796332] 0*256kB 
[  207.798646]  ? pvclock_read_flags+0x160/0x160
[  207.803027] 0*512kB 
[  207.805090]  ? lock_downgrade+0x900/0x900
[  207.809474] 0*1024kB 
[  207.811794]  ? trace_hardirqs_on+0xbd/0x310
[  207.815996] 0*2048kB 
[  207.818311]  ? kvm_sched_clock_read+0x9/0x20
[  207.822785] 0*4096kB 
[  207.825101]  ? irq_exit+0x17f/0x1c0
[  207.829225] = 13656kB
[  207.831626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.835938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  207.838334]  ? check_preemption_disabled+0x48/0x200
[  207.842722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  207.845123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.848722] 4246 total pagecache pages
[  207.851132]  run_timer_softirq+0x52/0xb0
[  207.856653] 0 pages in swap cache
[  207.865482]  ? __this_cpu_preempt_check+0x1c/0x1f
[  207.870475] Swap cache stats: add 0, delete 0, find 0/0
[  207.879048]  __do_softirq+0x30b/0xad8
[  207.884578] Free swap  = 0kB
[  207.888471]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  207.892506] Total swap = 0kB
[  207.895954]  ? pvclock_read_flags+0x160/0x160
[  207.900782] 1965979 pages RAM
[  207.906139]  ? lapic_next_event+0x5a/0x90
[  207.909920] 0 pages HighMem/MovableOnly
[  207.912933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.918013] 342307 pages reserved
[  207.921024]  ? clockevents_program_event+0x140/0x370
[  207.921051]  ? kvm_clock_read+0x18/0x30
[  207.925540] 0 pages cma reserved
[  207.928648]  ? kvm_sched_clock_read+0x9/0x20
[  207.932844] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  207.936737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.936751]  ? check_preemption_disabled+0x48/0x200
[  207.936771]  irq_exit+0x17f/0x1c0
[  207.942331] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  207.945740]  smp_apic_timer_interrupt+0x1cb/0x760
[  207.950828] ksoftirqd/0 cpuset=
[  207.954792]  ? smp_reschedule_interrupt+0x109/0x650
[  207.958129] /
[  207.962531]  ? smp_call_function_single_interrupt+0x650/0x650
[  207.962553]  ? interrupt_entry+0xb5/0xf0
[  207.969059]  mems_allowed=0
[  207.974577]  ? trace_hardirqs_off_caller+0xbb/0x310
[  208.025949]  ? trace_hardirqs_off_caller+0xbb/0x310
[  208.030970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  208.035810]  ? trace_hardirqs_on_caller+0x310/0x310
[  208.040825]  ? trace_hardirqs_on_caller+0x310/0x310
[  208.045839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.051375]  ? check_preemption_disabled+0x48/0x200
[  208.056399]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  208.061245]  apic_timer_interrupt+0xf/0x20
[  208.065472]  </IRQ>
[  208.067714] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  208.072641] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  208.091727] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  208.099740] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  208.107344] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  208.114616] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  208.121879] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  208.129158] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  208.136707]  ? trace_hardirqs_on+0xb4/0x310
[  208.141049]  skb_clone+0x1bb/0x500
[  208.144589]  ? skb_split+0x11e0/0x11e0
[  208.148479]  ? preempt_notifier_register+0x200/0x200
[  208.153588]  ? __switch_to_asm+0x34/0x70
[  208.157647]  ? __switch_to_asm+0x34/0x70
[  208.161703]  ? __switch_to_asm+0x40/0x70
[  208.165760]  ? __switch_to_asm+0x34/0x70
[  208.169821]  ? __switch_to_asm+0x40/0x70
[  208.173882]  ? __switch_to_asm+0x40/0x70
[  208.177940]  ? __switch_to_asm+0x34/0x70
[  208.181999]  ? __switch_to_asm+0x34/0x70
[  208.186061]  ? __switch_to_asm+0x40/0x70
[  208.190127]  ? __switch_to_asm+0x34/0x70
[  208.194195]  bpf_clone_redirect+0xb9/0x490
[  208.198431]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  208.203449]  ? __sched_text_start+0x8/0x8
[  208.207597]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  208.212352]  ? retint_kernel+0x2d/0x2d
[  208.216241]  ? trace_hardirqs_on_caller+0xc0/0x310
[  208.221171]  ? rcu_gp_kthread+0x2310/0x2310
[  208.225489]  ? trace_hardirqs_off+0x310/0x310
[  208.229992]  ? lock_acquire+0x1ed/0x520
[  208.234480]  ? bpf_test_run+0x3cb/0x780
[  208.238454]  ? lock_downgrade+0x900/0x900
[  208.242603]  ? lock_release+0x970/0x970
[  208.246580]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  208.252380]  ? preempt_schedule_common+0x1f/0xd0
[  208.257134]  ? preempt_schedule+0x4d/0x60
[  208.261280]  ? ___preempt_schedule+0x16/0x18
[  208.265688]  ? bpf_test_run+0x25d/0x780
[  208.269664]  ? netlink_diag_dump+0x2a0/0x2a0
[  208.274078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.279625]  ? bpf_test_init.isra.9+0x70/0x100
[  208.284211]  ? bpf_prog_test_run_skb+0x634/0xb40
[  208.288971]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  208.293814]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  208.299352]  ? fput+0x130/0x1a0
[  208.302631]  ? __bpf_prog_get+0x9b/0x290
[  208.306690]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  208.311963]  ? bpf_prog_test_run+0x130/0x1a0
[  208.316372]  ? __x64_sys_bpf+0x3d8/0x510
[  208.320430]  ? bpf_prog_get+0x20/0x20
[  208.324239]  ? do_syscall_64+0x1b9/0x820
[  208.328298]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  208.333661]  ? syscall_return_slowpath+0x5e0/0x5e0
[  208.338591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  208.343432]  ? trace_hardirqs_on_caller+0x310/0x310
[  208.348446]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  208.353460]  ? prepare_exit_to_usermode+0x291/0x3b0
[  208.358479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  208.363326]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  208.368708] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  208.368775] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  208.375572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  208.375576] Call Trace:
[  208.375594]  dump_stack+0x1c4/0x2b4
[  208.375609]  ? dump_stack_print_info.cold.2+0x52/0x52
[  208.375627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.382144] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  208.391467]  warn_alloc.cold.119+0xb7/0x1bd
[  208.394018] syz-executor4 cpuset=syz4
[  208.397669]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  208.402831]  mems_allowed=0
[  208.408357]  ? lock_downgrade+0x900/0x900
[  208.438802]  ? trace_hardirqs_off+0xb8/0x310
[  208.443223]  ? trace_hardirqs_off+0xb8/0x310
[  208.447639]  __alloc_pages_slowpath+0x2667/0x2d80
[  208.452505]  ? mark_held_locks+0x130/0x130
[  208.456760]  ? warn_alloc+0x120/0x120
[  208.460587]  ? warn_alloc+0x120/0x120
[  208.464414]  ? warn_alloc+0x120/0x120
[  208.468221]  ? mark_held_locks+0x130/0x130
[  208.472464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.478009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.483570]  ? should_fail+0x22d/0xd01
[  208.487467]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  208.492566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.498105]  ? should_fail+0x22d/0xd01
[  208.502007]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  208.507141]  ? should_fail+0x22d/0xd01
[  208.511036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  208.516151]  ? mark_held_locks+0x130/0x130
[  208.520383]  ? mark_held_locks+0x130/0x130
[  208.524614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.530152]  ? trace_hardirqs_off+0xb8/0x310
[  208.534554]  ? kasan_check_read+0x11/0x20
[  208.538702]  ? do_raw_spin_unlock+0xa7/0x2f0
[  208.543134]  ? trace_hardirqs_on+0x310/0x310
[  208.547539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.553076]  ? wq_watchdog_touch+0x9c/0xfe
[  208.557312]  ? io_serial_in+0x11/0x90
[  208.561109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.566652]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  208.571762]  __alloc_pages_nodemask+0xa80/0xde0
[  208.576431]  ? should_fail+0x22d/0xd01
[  208.580318]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  208.585347]  ? ____cache_alloc_node+0x1c7/0x1e0
[  208.590016]  ? lock_downgrade+0x900/0x900
[  208.594179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.599715]  cache_grow_begin+0x91/0x8c0
[  208.603776]  ? do_raw_spin_unlock+0xa7/0x2f0
[  208.608189]  fallback_alloc+0x203/0x2e0
[  208.612163]  ____cache_alloc_node+0x1c7/0x1e0
[  208.616659]  kmem_cache_alloc_node+0xe3/0x730
[  208.621153]  ? ipv6_get_ifaddr+0x42e/0x620
[  208.625388]  __alloc_skb+0x119/0x770
[  208.629105]  ? skb_scrub_packet+0x490/0x490
[  208.633424]  ? lock_downgrade+0x900/0x900
[  208.637577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.643111]  ? refcount_sub_and_test_checked+0x203/0x310
[  208.648560]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  208.654005]  ? addrconf_rs_timer+0x690/0x690
[  208.658417]  ndisc_alloc_skb+0x144/0x340
[  208.662476]  ndisc_send_rs+0x331/0x6e0
[  208.666361]  addrconf_rs_timer+0x314/0x690
[  208.670591]  ? lock_release+0x970/0x970
[  208.674560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  208.678806]  call_timer_fn+0x272/0x920
[  208.682689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  208.686922]  ? process_timeout+0x40/0x40
[  208.690981]  ? kasan_check_read+0x11/0x20
[  208.695124]  ? do_raw_spin_unlock+0xa7/0x2f0
[  208.699528]  ? trace_hardirqs_on+0x310/0x310
[  208.703938]  ? __run_timers+0x7da/0xc70
[  208.707913]  ? lock_downgrade+0x900/0x900
[  208.712073]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  208.717173]  ? trace_hardirqs_on+0xbd/0x310
[  208.721485]  ? kasan_check_read+0x11/0x20
[  208.725632]  ? __run_timers+0x7da/0xc70
[  208.729601]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  208.735060]  ? kasan_check_write+0x14/0x20
[  208.739295]  ? do_raw_spin_lock+0xc1/0x200
[  208.743531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  208.747761]  __run_timers+0x7e5/0xc70
[  208.751602]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  208.756959]  ? lock_downgrade+0x900/0x900
[  208.761103]  ? finish_task_switch+0x1b5/0x900
[  208.765618]  ? trace_hardirqs_on+0xbd/0x310
[  208.769932]  ? kasan_check_read+0x11/0x20
[  208.774079]  ? finish_task_switch+0x1f5/0x900
[  208.778573]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  208.784020]  ? compat_start_thread+0x80/0x80
[  208.788448]  ? pvclock_read_flags+0x160/0x160
[  208.792937]  ? __switch_to_asm+0x34/0x70
[  208.796998]  ? __switch_to_asm+0x34/0x70
[  208.801064]  ? __switch_to_asm+0x40/0x70
[  208.805128]  ? __switch_to_asm+0x40/0x70
[  208.809185]  ? __switch_to_asm+0x34/0x70
[  208.813240]  ? __switch_to_asm+0x40/0x70
[  208.817304]  ? trace_hardirqs_on+0xbd/0x310
[  208.821626]  ? kvm_sched_clock_read+0x9/0x20
[  208.826033]  ? run_ksoftirqd+0x94/0x100
[  208.830036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.835598]  ? check_preemption_disabled+0x48/0x200
[  208.840611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.846158]  run_timer_softirq+0x52/0xb0
[  208.850217]  ? __this_cpu_preempt_check+0x1c/0x1f
[  208.855064]  __do_softirq+0x30b/0xad8
[  208.858867]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  208.863968]  ? trace_hardirqs_off+0x310/0x310
[  208.868458]  ? retint_kernel+0x1b/0x2d
[  208.872347]  ? schedule+0x108/0x460
[  208.875975]  ? trace_hardirqs_off+0xb8/0x310
[  208.880378]  ? smpboot_thread_fn+0x68b/0xa00
[  208.884782]  ? trace_hardirqs_on+0x310/0x310
[  208.889189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.894721]  ? check_preemption_disabled+0x48/0x200
[  208.899736]  ? takeover_tasklets+0xa90/0xa90
[  208.904144]  run_ksoftirqd+0x94/0x100
[  208.907942]  smpboot_thread_fn+0x68b/0xa00
[  208.912176]  ? sort_range+0x30/0x30
[  208.915803]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  208.920901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.926435]  ? __kthread_parkme+0xfb/0x1a0
[  208.930677]  kthread+0x35a/0x420
[  208.934059]  ? sort_range+0x30/0x30
[  208.937694]  ? kthread_bind+0x40/0x40
[  208.941497]  ret_from_fork+0x3a/0x50
[  208.945222] warn_alloc_show_mem: 1 callbacks suppressed
[  208.945234] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  208.945235] Mem-Info:
[  208.945288] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  208.945288]  active_file:17 inactive_file:15 isolated_file:0
[  208.945288]  unevictable:0 dirty:0 writeback:0 unstable:0
[  208.945288]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  208.945288]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  208.945288]  free:13630 free_pcp:175 free_cma:0
[  208.950609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  208.957907] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  208.960288] Call Trace:
[  208.993331] Node 0 
[  209.002673]  <IRQ>
[  209.030439] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  209.033000]  dump_stack+0x1c4/0x2b4
[  209.035381] lowmem_reserve[]:
[  209.037523]  ? dump_stack_print_info.cold.2+0x52/0x52
[  209.063012]  0
[  209.066636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.069712]  2819
[  209.074897]  warn_alloc.cold.119+0xb7/0x1bd
[  209.076672]  6323
[  209.082199]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  209.084234]  6323
[  209.088561]  ? lock_downgrade+0x900/0x900
[  209.095423]  ? trace_hardirqs_off+0xb8/0x310
[  209.097460] Node 0 
[  209.101606]  ? trace_hardirqs_off+0xb8/0x310
[  209.101617]  __alloc_pages_slowpath+0x2667/0x2d80
[  209.101634]  ? warn_alloc+0x120/0x120
[  209.101643]  ? warn_alloc+0x120/0x120
[  209.101651]  ? warn_alloc+0x120/0x120
[  209.101659]  ? mark_held_locks+0x130/0x130
[  209.101669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.101676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.101685]  ? should_fail+0x22d/0xd01
[  209.101694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  209.101701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.101708]  ? should_fail+0x22d/0xd01
[  209.101717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  209.101723]  ? should_fail+0x22d/0xd01
[  209.101733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  209.101741]  ? mark_held_locks+0x130/0x130
[  209.101749]  ? mark_held_locks+0x130/0x130
[  209.101756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.101764]  ? trace_hardirqs_off+0xb8/0x310
[  209.101770]  ? kasan_check_read+0x11/0x20
[  209.101778]  ? do_raw_spin_unlock+0xa7/0x2f0
[  209.101785]  ? trace_hardirqs_on+0x310/0x310
[  209.101792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.101800]  ? wq_watchdog_touch+0x9c/0xfe
[  209.101809]  ? io_serial_in+0x11/0x90
[  209.101816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.101827]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  209.101838]  __alloc_pages_nodemask+0xa80/0xde0
[  209.101844]  ? should_fail+0x22d/0xd01
[  209.101854]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  209.101870]  ? ____cache_alloc_node+0x1c7/0x1e0
[  209.101877]  ? lock_downgrade+0x900/0x900
[  209.101886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.101895]  cache_grow_begin+0x91/0x8c0
[  209.101903]  ? do_raw_spin_unlock+0xa7/0x2f0
[  209.101912]  fallback_alloc+0x203/0x2e0
[  209.101922]  ____cache_alloc_node+0x1c7/0x1e0
[  209.101931]  kmem_cache_alloc_node+0xe3/0x730
[  209.101939]  ? ipv6_get_ifaddr+0x42e/0x620
[  209.101950]  __alloc_skb+0x119/0x770
[  209.101958]  ? skb_scrub_packet+0x490/0x490
[  209.101965]  ? lock_downgrade+0x900/0x900
[  209.101974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.101983]  ? refcount_sub_and_test_checked+0x203/0x310
[  209.101991]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  209.101998]  ? addrconf_rs_timer+0x690/0x690
[  209.102008]  ndisc_alloc_skb+0x144/0x340
[  209.102016]  ndisc_send_rs+0x331/0x6e0
[  209.102024]  addrconf_rs_timer+0x314/0x690
[  209.102032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  209.102057]  call_timer_fn+0x272/0x920
[  209.102071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  209.106487] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  209.108691]  ? process_timeout+0x40/0x40
[  209.113075] lowmem_reserve[]:
[  209.117936]  ? trace_hardirqs_off+0xb8/0x310
[  209.121707]  0
[  209.125500]  ? kasan_check_read+0x11/0x20
[  209.129270]  0
[  209.133496]  ? do_raw_spin_unlock+0xa7/0x2f0
[  209.139004]  3503
[  209.144532]  ? trace_hardirqs_on+0x310/0x310
[  209.148389]  3503
[  209.153486]  ? __run_timers+0x7da/0xc70
[  209.162871]  ? lock_downgrade+0x900/0x900
[  209.167947] Node 0 
[  209.171830]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  209.176929] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  209.181129]  ? trace_hardirqs_on+0xbd/0x310
[  209.185343] lowmem_reserve[]:
[  209.190870]  ? kasan_check_read+0x11/0x20
[  209.195249]  0
[  209.199407]  ? __run_timers+0x7da/0xc70
[  209.203788]  0
[  209.208188]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  209.213699]  0
[  209.217925]  ? kasan_check_write+0x14/0x20
[  209.221700]  0
[  209.227227]  ? do_raw_spin_lock+0xc1/0x200
[  209.236958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  209.240820] Node 0 
[  209.245831]  __run_timers+0x7e5/0xc70
[  209.250472] DMA: 
[  209.254616]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  209.260127] 1*4kB 
[  209.264180]  ? lock_acquire+0x1ed/0x520
[  209.268603] (U) 
[  209.272585]  ? __hrtimer_run_queues+0x488/0x10d0
[  209.277065] 0*8kB 
[  209.281548]  ? lock_release+0x970/0x970
[  209.285757] 0*16kB 
[  209.289463]  ? trace_hardirqs_off+0xb8/0x310
[  209.293758] 1*32kB 
[  209.297896]  ? do_raw_spin_unlock+0xa7/0x2f0
[  209.303403] (U) 
[  209.308842]  ? kasan_check_write+0x14/0x20
[  209.314263] 2*64kB 
[  209.318659]  ? pvclock_read_flags+0x160/0x160
[  209.322687] (U) 
[  209.326565]  ? lock_downgrade+0x900/0x900
[  209.330768] 1*128kB 
[  209.334991]  ? trace_hardirqs_on+0xbd/0x310
[  209.338849] (U) 
[  209.343081]  ? kvm_sched_clock_read+0x9/0x20
[  209.370027] 1*256kB 
[  209.374088]  ? irq_exit+0x17f/0x1c0
[  209.377165] (U) 
[  209.381568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.383339] 0*512kB 
[  209.387502]  ? check_preemption_disabled+0x48/0x200
[  209.389279] 1*1024kB 
[  209.393692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.395725] (U) 
[  209.400127]  run_timer_softirq+0x52/0xb0
[  209.402165] 1*2048kB 
[  209.406128]  ? __this_cpu_preempt_check+0x1c/0x1f
[  209.410244] (M) 
[  209.412475]  __do_softirq+0x30b/0xad8
[  209.417561] 3*4096kB 
[  209.446004]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  209.450299] (M) 
[  209.453393]  ? pvclock_read_flags+0x160/0x160
[  209.457514] = 15908kB
[  209.459306]  ? lapic_next_event+0x5a/0x90
[  209.463251] Node 0 
[  209.465055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.470479] DMA32: 
[  209.472276]  ? clockevents_program_event+0x140/0x370
[  209.476480] 3*4kB 
[  209.478275]  ? kvm_clock_read+0x18/0x30
[  209.482481] (ME) 
[  209.486707]  ? kvm_sched_clock_read+0x9/0x20
[  209.488920] 2*8kB 
[  209.492712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.494744] (ME) 
[  209.500101]  ? check_preemption_disabled+0x48/0x200
[  209.502223] 4*16kB 
[  209.506189]  irq_exit+0x17f/0x1c0
[  209.508135] (UME) 
[  209.512881]  smp_apic_timer_interrupt+0x1cb/0x760
[  209.515008] 3*32kB 
[  209.518969]  ? smp_reschedule_interrupt+0x109/0x650
[  209.521184] (ME) 
[  209.525587]  ? smp_call_function_single_interrupt+0x650/0x650
[  209.527796] 5*64kB 
[  209.532192]  ? interrupt_entry+0xb5/0xf0
[  209.534137] (ME) 
[  209.538365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  209.540572] 5*128kB 
[  209.545069]  ? trace_hardirqs_off_caller+0xbb/0x310
[  209.547016] (UME) 5*256kB 
[  209.551171]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.553464] (UME) 
[  209.557779]  ? trace_hardirqs_on_caller+0x310/0x310
[  209.559730] 4*512kB 
[  209.564132]  ? trace_hardirqs_on_caller+0x310/0x310
[  209.566427] (ME) 
[  209.570056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.572009] 4*1024kB 
[  209.577534]  ? check_preemption_disabled+0x48/0x200
[  209.579826] (UME) 
[  209.584833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.587218] 2*2048kB 
[  209.592747]  apic_timer_interrupt+0xf/0x20
[  209.594692] (ME) 
[  209.598732]  </IRQ>
[  209.601125] 3*4096kB 
[  209.605976] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  209.607937] (M) 
[  209.611759] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  209.614143] = 24956kB
[  209.619230] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286
[  209.621184] Node 0 
[  209.625659]  ORIG_RAX: ffffffffffffff13
[  209.628064] Normal: 
[  209.632195] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  209.634408] 1016*4kB 
[  209.639929] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  209.642155] (UME) 
[  209.647241] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  209.649365] 447*8kB 
[  209.653324] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  209.655366] (ME) 
[  209.659761] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  209.661889] 188*16kB (UME) 
[  209.667432]  ? trace_hardirqs_on+0xb4/0x310
[  209.669461] 54*32kB 
[  209.674474]  skb_clone+0x1bb/0x500
[  209.676677] (UME) 
[  209.680119]  ? skb_split+0x11e0/0x11e0
[  209.682242] 20*64kB 
[  209.687079]  ? preempt_notifier_register+0x200/0x200
[  209.689290] (UM) 
[  209.694306]  ? __switch_to_asm+0x34/0x70
[  209.696343] 0*128kB 
[  209.702215]  ? __switch_to_asm+0x34/0x70
[  209.704426] 0*256kB 
[  209.708480]  ? __switch_to_asm+0x40/0x70
[  209.710519] 0*512kB 
[  209.715525]  ? __switch_to_asm+0x34/0x70
[  209.717828] 0*1024kB 
[  209.722833]  ? __switch_to_asm+0x40/0x70
[  209.725648] 0*2048kB 
[  209.730478]  ? __switch_to_asm+0x40/0x70
[  209.732599] 0*4096kB 
[  209.737621]  ? __switch_to_asm+0x34/0x70
[  209.739916] = 13656kB
[  209.744921]  ? __switch_to_asm+0x34/0x70
[  209.746966] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  209.752527]  ? __switch_to_asm+0x40/0x70
[  209.754916] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  209.759917]  ? __switch_to_asm+0x34/0x70
[  209.762048] 4246 total pagecache pages
[  209.766909]  bpf_clone_redirect+0xb9/0x490
[  209.769294] 0 pages in swap cache
[  209.773518]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  209.775560] Swap cache stats: add 0, delete 0, find 0/0
[  209.777786]  ? __sched_text_start+0x8/0x8
[  209.780170] Free swap  = 0kB
[  209.785093]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  209.787046] Total swap = 0kB
[  209.805941]  ? retint_kernel+0x2d/0x2d
[  209.808324] 1965979 pages RAM
[  209.813691]  ? trace_hardirqs_on_caller+0xc0/0x310
[  209.815898] 0 pages HighMem/MovableOnly
[  209.819867]  ? rcu_gp_kthread+0x2310/0x2310
[  209.822162] 342307 pages reserved
[  209.829428]  ? trace_hardirqs_off+0x310/0x310
[  209.831812] 0 pages cma reserved
[  209.839076]  ? lock_acquire+0x1ed/0x520
[  209.841268] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  209.848459]  ? bpf_test_run+0x3cb/0x780
[  209.848472]  ? lock_downgrade+0x900/0x900
[  209.848487]  ? lock_release+0x970/0x970
[  209.850875] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  209.858083]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  209.860121] ksoftirqd/0 cpuset=
[  209.867386]  ? preempt_schedule_common+0x1f/0xd0
[  209.870291] /
[  209.874602]  ? preempt_schedule+0x4d/0x60
[  209.876904]  mems_allowed=0
[  209.880433]  ? ___preempt_schedule+0x16/0x18
[  210.098313]  ? bpf_test_run+0x25d/0x780
[  210.102473]  ? netlink_diag_dump+0x2a0/0x2a0
[  210.106886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.112417]  ? bpf_test_init.isra.9+0x70/0x100
[  210.117004]  ? bpf_prog_test_run_skb+0x634/0xb40
[  210.121760]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  210.126600]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  210.132134]  ? fput+0x130/0x1a0
[  210.135415]  ? __bpf_prog_get+0x9b/0x290
[  210.139475]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  210.144314]  ? bpf_prog_test_run+0x130/0x1a0
[  210.148723]  ? __x64_sys_bpf+0x3d8/0x510
[  210.152782]  ? bpf_prog_get+0x20/0x20
[  210.156597]  ? do_syscall_64+0x1b9/0x820
[  210.160657]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  210.166017]  ? syscall_return_slowpath+0x5e0/0x5e0
[  210.170954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.175798]  ? trace_hardirqs_on_caller+0x310/0x310
[  210.180814]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  210.185821]  ? prepare_exit_to_usermode+0x291/0x3b0
[  210.190830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.195675]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  210.201084] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  210.201140] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  210.207920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  210.207924] Call Trace:
[  210.207943]  dump_stack+0x1c4/0x2b4
[  210.207959]  ? dump_stack_print_info.cold.2+0x52/0x52
[  210.214496] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  210.223782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.226338] syz-executor4 cpuset=
[  210.229960]  warn_alloc.cold.119+0xb7/0x1bd
[  210.235630] syz4
[  210.246124]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  210.251634]  mems_allowed=0
[  210.255084]  ? lock_downgrade+0x900/0x900
[  210.273212]  ? trace_hardirqs_off+0xb8/0x310
[  210.277622]  ? trace_hardirqs_off+0xb8/0x310
[  210.282032]  __alloc_pages_slowpath+0x2667/0x2d80
[  210.286900]  ? mark_held_locks+0x130/0x130
[  210.291135]  ? warn_alloc+0x120/0x120
[  210.294940]  ? warn_alloc+0x120/0x120
[  210.298743]  ? warn_alloc+0x120/0x120
[  210.302544]  ? mark_held_locks+0x130/0x130
[  210.306782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.312314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.317846]  ? should_fail+0x22d/0xd01
[  210.321734]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.326833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.332367]  ? should_fail+0x22d/0xd01
[  210.336256]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.341357]  ? should_fail+0x22d/0xd01
[  210.345245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.350351]  ? mark_held_locks+0x130/0x130
[  210.354585]  ? mark_held_locks+0x130/0x130
[  210.358820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.364354]  ? trace_hardirqs_off+0xb8/0x310
[  210.368755]  ? kasan_check_read+0x11/0x20
[  210.372903]  ? do_raw_spin_unlock+0xa7/0x2f0
[  210.377308]  ? trace_hardirqs_on+0x310/0x310
[  210.381716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.387247]  ? wq_watchdog_touch+0x9c/0xfe
[  210.391482]  ? io_serial_in+0x11/0x90
[  210.395282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.400818]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  210.405939]  __alloc_pages_nodemask+0xa80/0xde0
[  210.410601]  ? should_fail+0x22d/0xd01
[  210.414488]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  210.419518]  ? ____cache_alloc_node+0x1c7/0x1e0
[  210.424182]  ? lock_downgrade+0x900/0x900
[  210.428330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.433869]  cache_grow_begin+0x91/0x8c0
[  210.437926]  ? do_raw_spin_unlock+0xa7/0x2f0
[  210.442336]  fallback_alloc+0x203/0x2e0
[  210.446314]  ____cache_alloc_node+0x1c7/0x1e0
[  210.450809]  kmem_cache_alloc_node+0xe3/0x730
[  210.455300]  ? ipv6_get_ifaddr+0x42e/0x620
[  210.459538]  __alloc_skb+0x119/0x770
[  210.463252]  ? skb_scrub_packet+0x490/0x490
[  210.467569]  ? lock_downgrade+0x900/0x900
[  210.471717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.477254]  ? refcount_sub_and_test_checked+0x203/0x310
[  210.482702]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  210.488147]  ? addrconf_rs_timer+0x690/0x690
[  210.492558]  ndisc_alloc_skb+0x144/0x340
[  210.496626]  ndisc_send_rs+0x331/0x6e0
[  210.500512]  addrconf_rs_timer+0x314/0x690
[  210.504743]  ? lock_release+0x970/0x970
[  210.508717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.512961]  call_timer_fn+0x272/0x920
[  210.516841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.521080]  ? process_timeout+0x40/0x40
[  210.525135]  ? kasan_check_read+0x11/0x20
[  210.529281]  ? do_raw_spin_unlock+0xa7/0x2f0
[  210.533947]  ? trace_hardirqs_on+0x310/0x310
[  210.538354]  ? __run_timers+0x7da/0xc70
[  210.542325]  ? lock_downgrade+0x900/0x900
[  210.546472]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  210.551573]  ? trace_hardirqs_on+0xbd/0x310
[  210.555904]  ? kasan_check_read+0x11/0x20
[  210.560064]  ? __run_timers+0x7da/0xc70
[  210.564037]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  210.569541]  ? kasan_check_write+0x14/0x20
[  210.573790]  ? do_raw_spin_lock+0xc1/0x200
[  210.578026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  210.582271]  __run_timers+0x7e5/0xc70
[  210.586090]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  210.591448]  ? lock_downgrade+0x900/0x900
[  210.595619]  ? finish_task_switch+0x1b5/0x900
[  210.600132]  ? trace_hardirqs_on+0xbd/0x310
[  210.604451]  ? kasan_check_read+0x11/0x20
[  210.608601]  ? finish_task_switch+0x1f5/0x900
[  210.613093]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  210.618540]  ? compat_start_thread+0x80/0x80
[  210.622961]  ? pvclock_read_flags+0x160/0x160
[  210.627453]  ? __switch_to_asm+0x34/0x70
[  210.631508]  ? __switch_to_asm+0x34/0x70
[  210.635564]  ? __switch_to_asm+0x40/0x70
[  210.639625]  ? __switch_to_asm+0x40/0x70
[  210.643680]  ? __switch_to_asm+0x34/0x70
[  210.647737]  ? __switch_to_asm+0x40/0x70
[  210.651801]  ? trace_hardirqs_on+0xbd/0x310
[  210.656119]  ? kvm_sched_clock_read+0x9/0x20
[  210.660523]  ? run_ksoftirqd+0x94/0x100
[  210.664499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.670034]  ? check_preemption_disabled+0x48/0x200
[  210.675069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.680607]  run_timer_softirq+0x52/0xb0
[  210.684664]  ? __this_cpu_preempt_check+0x1c/0x1f
[  210.689506]  __do_softirq+0x30b/0xad8
[  210.693308]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  210.698409]  ? trace_hardirqs_off+0x310/0x310
[  210.702901]  ? retint_kernel+0x1b/0x2d
[  210.706864]  ? schedule+0x108/0x460
[  210.710508]  ? trace_hardirqs_off+0xb8/0x310
[  210.714916]  ? smpboot_thread_fn+0x68b/0xa00
[  210.719319]  ? trace_hardirqs_on+0x310/0x310
[  210.723729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.729300]  ? check_preemption_disabled+0x48/0x200
[  210.734319]  ? takeover_tasklets+0xa90/0xa90
[  210.738728]  run_ksoftirqd+0x94/0x100
[  210.742526]  smpboot_thread_fn+0x68b/0xa00
[  210.746757]  ? sort_range+0x30/0x30
[  210.750379]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  210.755483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.761020]  ? __kthread_parkme+0xfb/0x1a0
[  210.765268]  kthread+0x35a/0x420
[  210.768631]  ? sort_range+0x30/0x30
[  210.772251]  ? kthread_bind+0x40/0x40
[  210.776066]  ret_from_fork+0x3a/0x50
[  210.779782] warn_alloc_show_mem: 1 callbacks suppressed
[  210.779794] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  210.779795] Mem-Info:
[  210.779827] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  210.779827]  active_file:17 inactive_file:15 isolated_file:0
[  210.779827]  unevictable:0 dirty:0 writeback:0 unstable:0
[  210.779827]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  210.779827]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  210.779827]  free:13630 free_pcp:175 free_cma:0
[  210.785156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  210.792433] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  210.794831] Call Trace:
[  210.827868] Node 0 
[  210.837206]  <IRQ>
[  210.864968] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  210.867523]  dump_stack+0x1c4/0x2b4
[  210.869729] lowmem_reserve[]:
[  210.871874]  ? dump_stack_print_info.cold.2+0x52/0x52
[  210.897350]  0
[  210.900972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.904056]  2819 6323
[  210.909248]  warn_alloc.cold.119+0xb7/0x1bd
[  210.911019]  6323
[  210.916564]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  210.923343]  ? lock_downgrade+0x900/0x900
[  210.925377] Node 0 
[  210.930210]  ? trace_hardirqs_off+0xb8/0x310
[  210.934352] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  210.936562]  ? trace_hardirqs_off+0xb8/0x310
[  210.940939] lowmem_reserve[]:
[  210.967926]  __alloc_pages_slowpath+0x2667/0x2d80
[  210.972303]  0
[  210.975422]  ? warn_alloc+0x120/0x120
[  210.980208]  0 3503
[  210.982020]  ? trace_hardirqs_on+0x310/0x310
[  210.985790]  3503
[  210.988021]  ? warn_alloc+0x120/0x120
[  210.994448]  ? warn_alloc+0x120/0x120
[  210.998224] Node 0 
[  211.002008]  ? ktime_get+0x2e1/0x440
[  211.002057] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  211.004250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.007935] lowmem_reserve[]:
[  211.036383]  ? check_preemption_disabled+0x48/0x200
[  211.041889]  0
[  211.044983]  ? kasan_check_read+0x11/0x20
[  211.049969]  0
[  211.051768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.055887]  0
[  211.057683]  ? should_fail+0x22d/0xd01
[  211.063186]  0
[  211.064984]  ? rcu_bh_qs+0xc0/0xc0
[  211.070642]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  211.074154] Node 0 
[  211.079242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.079255] DMA: 
[  211.081492]  ? should_fail+0x22d/0xd01
[  211.087001] 1*4kB 
[  211.089071]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  211.092931] (U) 
[  211.095082]  ? should_fail+0x22d/0xd01
[  211.100158] 0*8kB 
[  211.102127]  ? rcu_idle_enter+0x4b0/0x4b0
[  211.105987] 0*16kB 
[  211.108128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  211.112247] 1*32kB 
[  211.114473]  ? mark_held_locks+0x130/0x130
[  211.119548] (U) 
[  211.121784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.125990] 2*64kB 
[  211.127957]  ? mark_held_locks+0x130/0x130
[  211.133463] (U) 
[  211.135691]  ? rcu_irq_exit+0xce/0x100
[  211.139894] 1*128kB 
[  211.141865]  ? irq_exit+0xbd/0x1c0
[  211.145723] (U) 
[  211.148048]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  211.151566] 1*256kB 
[  211.153533]  ? do_raw_spin_unlock+0xa7/0x2f0
[  211.158511] (U) 0*512kB 
[  211.160834]  ? smp_call_function_single_interrupt+0x650/0x650
[  211.160852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.165234] 1*1024kB 
[  211.167994]  ? ret_from_intr+0xb/0x1e
[  211.173853] (U) 
[  211.179380]  ? retint_kernel+0x2d/0x2d
[  211.181761] 1*2048kB 
[  211.185558]  ? trace_hardirqs_on_caller+0xc0/0x310
[  211.187496] (M) 
[  211.191376]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  211.193760] 3*4096kB 
[  211.198691]  ? trace_hardirqs_off+0x310/0x310
[  211.200642] (M) 
[  211.205388]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  211.207768] = 15908kB
[  211.212265]  __alloc_pages_nodemask+0xa80/0xde0
[  211.214214] Node 0 
[  211.219311]  ? should_fail+0x22d/0xd01
[  211.221693] DMA32: 
[  211.226353]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  211.228559] 3*4kB (ME) 
[  211.232456]  ? ____cache_alloc_node+0x1c7/0x1e0
[  211.234654] 2*8kB 
[  211.239660]  ? lock_downgrade+0x900/0x900
[  211.242216] (ME) 
[  211.246877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.249001] 4*16kB 
[  211.253141]  cache_grow_begin+0x91/0x8c0
[  211.255173] (UME) 
[  211.260704]  ? do_raw_spin_unlock+0xa7/0x2f0
[  211.262911] 3*32kB 
[  211.266966]  fallback_alloc+0x203/0x2e0
[  211.269086] (ME) 
[  211.273487]  ____cache_alloc_node+0x1c7/0x1e0
[  211.275694] 5*64kB 
[  211.279674]  kmem_cache_alloc_node+0xe3/0x730
[  211.281708] (ME) 
[  211.286199]  ? ipv6_get_ifaddr+0x42e/0x620
[  211.288421] 5*128kB 
[  211.292905]  __alloc_skb+0x119/0x770
[  211.294940] (UME) 
[  211.299164]  ? skb_scrub_packet+0x490/0x490
[  211.301461] 5*256kB 
[  211.305163]  ? lock_downgrade+0x900/0x900
[  211.307283] (UME) 
[  211.311595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.313892] 4*512kB 
[  211.318035]  ? refcount_sub_and_test_checked+0x203/0x310
[  211.320165] (ME) 
[  211.325698]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  211.327996] 4*1024kB 
[  211.333438]  ? addrconf_rs_timer+0x690/0x690
[  211.335473] (UME) 
[  211.340932]  ndisc_alloc_skb+0x144/0x340
[  211.343313] 2*2048kB 
[  211.347709]  ndisc_send_rs+0x331/0x6e0
[  211.349841] (ME) 
[  211.353895]  addrconf_rs_timer+0x314/0x690
[  211.356285] 3*4096kB 
[  211.360170]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  211.362213] (M) 
[  211.366446]  call_timer_fn+0x272/0x920
[  211.368827] = 24956kB
[  211.373058]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  211.375009] Node 0 
[  211.378894]  ? process_timeout+0x40/0x40
[  211.381270] Normal: 
[  211.385496]  ? trace_hardirqs_off+0xb8/0x310
[  211.387706] 1016*4kB 
[  211.391757]  ? kasan_check_read+0x11/0x20
[  211.394066] (UME) 
[  211.398470]  ? do_raw_spin_unlock+0xa7/0x2f0
[  211.400850] 447*8kB 
[  211.404991]  ? trace_hardirqs_on+0x310/0x310
[  211.407113] (ME) 
[  211.411511]  ? __run_timers+0x7da/0xc70
[  211.413829] 188*16kB 
[  211.418229]  ? lock_downgrade+0x900/0x900
[  211.420266] (UME) 
[  211.424231]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  211.426612] 54*32kB 
[  211.430752]  ? trace_hardirqs_on+0xbd/0x310
[  211.432872] (UME) 
[  211.437963]  ? kasan_check_read+0x11/0x20
[  211.440264] 20*64kB 
[  211.444584]  ? __run_timers+0x7da/0xc70
[  211.446707] (UM) 
[  211.450849]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  211.453144] 0*128kB 
[  211.457105]  ? kasan_check_write+0x14/0x20
[  211.459147] 0*256kB 
[  211.464592]  ? do_raw_spin_lock+0xc1/0x200
[  211.466888] 0*512kB 
[  211.471112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  211.473407] 0*1024kB 
[  211.477630]  __run_timers+0x7e5/0xc70
[  211.479926] 0*2048kB 
[  211.484155]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  211.486537] 0*4096kB 
[  211.490330]  ? lock_acquire+0x1ed/0x520
[  211.492717] = 13656kB
[  211.498080]  ? __hrtimer_run_queues+0x488/0x10d0
[  211.500469] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  211.504431]  ? lock_release+0x970/0x970
[  211.506822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  211.511567]  ? trace_hardirqs_off+0xb8/0x310
[  211.520371] 4246 total pagecache pages
[  211.524337]  ? do_raw_spin_unlock+0xa7/0x2f0
[  211.532892] 0 pages in swap cache
[  211.537289]  ? kasan_check_write+0x14/0x20
[  211.541150] Swap cache stats: add 0, delete 0, find 0/0
[  211.545546]  ? pvclock_read_flags+0x160/0x160
[  211.548972] Free swap  = 0kB
[  211.548981] Total swap = 0kB
[  211.553206]  ? lock_downgrade+0x900/0x900
[  211.558543] 1965979 pages RAM
[  211.563031]  ? trace_hardirqs_on+0xbd/0x310
[  211.566025] 0 pages HighMem/MovableOnly
[  211.569052]  ? kvm_sched_clock_read+0x9/0x20
[  211.573173] 342307 pages reserved
[  211.576273]  ? irq_exit+0x17f/0x1c0
[  211.580567] 0 pages cma reserved
[  211.584531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.588964] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  211.592356]  ? check_preemption_disabled+0x48/0x200
[  211.596020] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  211.599316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.604825] ksoftirqd/0 cpuset=
[  211.611311]  run_timer_softirq+0x52/0xb0
[  211.616296] /
[  211.626597]  ? __this_cpu_preempt_check+0x1c/0x1f
[  211.632106]  mems_allowed=0
[  211.635371]  __do_softirq+0x30b/0xad8
[  211.652636]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  211.657738]  ? pvclock_read_flags+0x160/0x160
[  211.662227]  ? lapic_next_event+0x5a/0x90
[  211.666374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.671913]  ? clockevents_program_event+0x140/0x370
[  211.677018]  ? kvm_clock_read+0x18/0x30
[  211.680999]  ? kvm_sched_clock_read+0x9/0x20
[  211.685405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.690941]  ? check_preemption_disabled+0x48/0x200
[  211.695978]  irq_exit+0x17f/0x1c0
[  211.699431]  smp_apic_timer_interrupt+0x1cb/0x760
[  211.704268]  ? smp_reschedule_interrupt+0x109/0x650
[  211.709279]  ? smp_call_function_single_interrupt+0x650/0x650
[  211.715163]  ? interrupt_entry+0xb5/0xf0
[  211.719229]  ? trace_hardirqs_off_caller+0xbb/0x310
[  211.724244]  ? trace_hardirqs_off_caller+0xbb/0x310
[  211.729262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  211.734101]  ? trace_hardirqs_on_caller+0x310/0x310
[  211.739117]  ? trace_hardirqs_on_caller+0x310/0x310
[  211.744135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.749667]  ? check_preemption_disabled+0x48/0x200
[  211.754689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  211.759537]  apic_timer_interrupt+0xf/0x20
[  211.763767]  </IRQ>
[  211.766002] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  211.770930] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  211.789830] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  211.797540] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  211.804806] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  211.812072] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  211.819335] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  211.826602] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  211.833880]  ? trace_hardirqs_on+0xb4/0x310
[  211.838221]  skb_clone+0x1bb/0x500
[  211.841758]  ? skb_split+0x11e0/0x11e0
[  211.845660]  ? preempt_notifier_register+0x200/0x200
[  211.850777]  ? __switch_to_asm+0x34/0x70
[  211.854838]  ? __switch_to_asm+0x34/0x70
[  211.858895]  ? __switch_to_asm+0x40/0x70
[  211.862951]  ? __switch_to_asm+0x34/0x70
[  211.867012]  ? __switch_to_asm+0x40/0x70
[  211.871081]  ? __switch_to_asm+0x40/0x70
[  211.875142]  ? __switch_to_asm+0x34/0x70
[  211.879198]  ? __switch_to_asm+0x34/0x70
[  211.883256]  ? __switch_to_asm+0x40/0x70
[  211.887316]  ? __switch_to_asm+0x34/0x70
[  211.891376]  bpf_clone_redirect+0xb9/0x490
[  211.895614]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  211.900626]  ? __sched_text_start+0x8/0x8
[  211.904774]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  211.909527]  ? retint_kernel+0x2d/0x2d
[  211.913423]  ? trace_hardirqs_on_caller+0xc0/0x310
[  211.918354]  ? rcu_gp_kthread+0x2310/0x2310
[  211.922671]  ? trace_hardirqs_off+0x310/0x310
[  211.927171]  ? lock_acquire+0x1ed/0x520
[  211.931141]  ? bpf_test_run+0x3cb/0x780
[  211.935118]  ? lock_downgrade+0x900/0x900
[  211.939264]  ? lock_release+0x970/0x970
[  211.943235]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  211.949031]  ? preempt_schedule_common+0x1f/0xd0
[  211.953792]  ? preempt_schedule+0x4d/0x60
[  211.957939]  ? ___preempt_schedule+0x16/0x18
[  211.962348]  ? bpf_test_run+0x25d/0x780
[  211.966336]  ? netlink_diag_dump+0x2a0/0x2a0
[  211.970743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.976279]  ? bpf_test_init.isra.9+0x70/0x100
[  211.980864]  ? bpf_prog_test_run_skb+0x634/0xb40
[  211.985622]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  211.990459]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  211.996005]  ? fput+0x130/0x1a0
[  211.999283]  ? __bpf_prog_get+0x9b/0x290
[  212.003345]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  212.008188]  ? bpf_prog_test_run+0x130/0x1a0
[  212.012604]  ? __x64_sys_bpf+0x3d8/0x510
[  212.016689]  ? bpf_prog_get+0x20/0x20
[  212.020499]  ? do_syscall_64+0x1b9/0x820
[  212.024561]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  212.029939]  ? syscall_return_slowpath+0x5e0/0x5e0
[  212.034869]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  212.039709]  ? trace_hardirqs_on_caller+0x310/0x310
[  212.044722]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  212.049734]  ? prepare_exit_to_usermode+0x291/0x3b0
[  212.054755]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  212.059618]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  212.065002] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  212.065079] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  212.071864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  212.078396] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  212.087671] Call Trace:
[  212.098141] syz-executor4 cpuset=syz4
[  212.100717]  dump_stack+0x1c4/0x2b4
[  212.100733]  ? dump_stack_print_info.cold.2+0x52/0x52
[  212.104715]  mems_allowed=0
[  212.108350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.121952]  warn_alloc.cold.119+0xb7/0x1bd
[  212.126275]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  212.131117]  ? lock_downgrade+0x900/0x900
[  212.135271]  ? trace_hardirqs_off+0xb8/0x310
[  212.139678]  ? trace_hardirqs_off+0xb8/0x310
[  212.144093]  __alloc_pages_slowpath+0x2667/0x2d80
[  212.148948]  ? mark_held_locks+0x130/0x130
[  212.153200]  ? warn_alloc+0x120/0x120
[  212.156998]  ? warn_alloc+0x120/0x120
[  212.160804]  ? warn_alloc+0x120/0x120
[  212.164600]  ? mark_held_locks+0x130/0x130
[  212.168834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.174372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.179910]  ? should_fail+0x22d/0xd01
[  212.183796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  212.188895]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.194432]  ? should_fail+0x22d/0xd01
[  212.198324]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  212.203424]  ? should_fail+0x22d/0xd01
[  212.207312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  212.212413]  ? mark_held_locks+0x130/0x130
[  212.216647]  ? mark_held_locks+0x130/0x130
[  212.220877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.226416]  ? trace_hardirqs_off+0xb8/0x310
[  212.230820]  ? kasan_check_read+0x11/0x20
[  212.235099]  ? do_raw_spin_unlock+0xa7/0x2f0
[  212.239507]  ? trace_hardirqs_on+0x310/0x310
[  212.243916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.249450]  ? wq_watchdog_touch+0x9c/0xfe
[  212.253684]  ? io_serial_in+0x11/0x90
[  212.257485]  ? retint_kernel+0x2d/0x2d
[  212.261372]  ? trace_hardirqs_on_caller+0xc0/0x310
[  212.266301]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  212.271066]  ? trace_hardirqs_off+0x310/0x310
[  212.275559]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  212.280667]  __alloc_pages_nodemask+0xa80/0xde0
[  212.285336]  ? should_fail+0x22d/0xd01
[  212.289224]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  212.294252]  ? ____cache_alloc_node+0x1c7/0x1e0
[  212.298917]  ? lock_downgrade+0x900/0x900
[  212.303079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.308619]  cache_grow_begin+0x91/0x8c0
[  212.312676]  ? do_raw_spin_unlock+0xa7/0x2f0
[  212.317095]  fallback_alloc+0x203/0x2e0
[  212.321081]  ____cache_alloc_node+0x1c7/0x1e0
[  212.325581]  kmem_cache_alloc_node+0xe3/0x730
[  212.330083]  ? ipv6_get_ifaddr+0x42e/0x620
[  212.334324]  __alloc_skb+0x119/0x770
[  212.338038]  ? skb_scrub_packet+0x490/0x490
[  212.342376]  ? lock_downgrade+0x900/0x900
[  212.346527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.352071]  ? refcount_sub_and_test_checked+0x203/0x310
[  212.357521]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  212.362966]  ? addrconf_rs_timer+0x690/0x690
[  212.367376]  ndisc_alloc_skb+0x144/0x340
[  212.371438]  ndisc_send_rs+0x331/0x6e0
[  212.375327]  addrconf_rs_timer+0x314/0x690
[  212.379560]  ? lock_release+0x970/0x970
[  212.383533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  212.387777]  call_timer_fn+0x272/0x920
[  212.391712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  212.395961]  ? process_timeout+0x40/0x40
[  212.400027]  ? kasan_check_read+0x11/0x20
[  212.404198]  ? do_raw_spin_unlock+0xa7/0x2f0
[  212.408601]  ? trace_hardirqs_on+0x310/0x310
[  212.413010]  ? __run_timers+0x7da/0xc70
[  212.416986]  ? lock_downgrade+0x900/0x900
[  212.421132]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  212.426235]  ? trace_hardirqs_on+0xbd/0x310
[  212.430551]  ? kasan_check_read+0x11/0x20
[  212.434714]  ? __run_timers+0x7da/0xc70
[  212.438689]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  212.444142]  ? kasan_check_write+0x14/0x20
[  212.448372]  ? do_raw_spin_lock+0xc1/0x200
[  212.452641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  212.456869]  __run_timers+0x7e5/0xc70
[  212.460678]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  212.466038]  ? lock_downgrade+0x900/0x900
[  212.470202]  ? finish_task_switch+0x1b5/0x900
[  212.474696]  ? trace_hardirqs_on+0xbd/0x310
[  212.479009]  ? kasan_check_read+0x11/0x20
[  212.483152]  ? finish_task_switch+0x1f5/0x900
[  212.487647]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  212.493092]  ? compat_start_thread+0x80/0x80
[  212.497508]  ? pvclock_read_flags+0x160/0x160
[  212.502000]  ? __switch_to_asm+0x34/0x70
[  212.506068]  ? __switch_to_asm+0x34/0x70
[  212.510125]  ? __switch_to_asm+0x40/0x70
[  212.514185]  ? __switch_to_asm+0x40/0x70
[  212.518242]  ? __switch_to_asm+0x34/0x70
[  212.522295]  ? __switch_to_asm+0x40/0x70
[  212.526355]  ? trace_hardirqs_on+0xbd/0x310
[  212.530672]  ? kvm_sched_clock_read+0x9/0x20
[  212.535086]  ? run_ksoftirqd+0x94/0x100
[  212.539073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.544608]  ? check_preemption_disabled+0x48/0x200
[  212.549621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.555203]  run_timer_softirq+0x52/0xb0
[  212.559262]  ? __this_cpu_preempt_check+0x1c/0x1f
[  212.564099]  __do_softirq+0x30b/0xad8
[  212.567905]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  212.573001]  ? trace_hardirqs_off+0x310/0x310
[  212.577495]  ? retint_kernel+0x1b/0x2d
[  212.581381]  ? schedule+0x108/0x460
[  212.585013]  ? trace_hardirqs_off+0xb8/0x310
[  212.589424]  ? smpboot_thread_fn+0x68b/0xa00
[  212.593829]  ? trace_hardirqs_on+0x310/0x310
[  212.598233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.603765]  ? check_preemption_disabled+0x48/0x200
[  212.608784]  ? takeover_tasklets+0xa90/0xa90
[  212.613193]  run_ksoftirqd+0x94/0x100
[  212.616991]  smpboot_thread_fn+0x68b/0xa00
[  212.621222]  ? sort_range+0x30/0x30
[  212.624851]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  212.629964]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.635495]  ? __kthread_parkme+0xfb/0x1a0
[  212.639729]  kthread+0x35a/0x420
[  212.643091]  ? sort_range+0x30/0x30
[  212.646717]  ? kthread_bind+0x40/0x40
[  212.650514]  ret_from_fork+0x3a/0x50
[  212.654229] warn_alloc_show_mem: 1 callbacks suppressed
[  212.654242] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  212.654243] Mem-Info:
[  212.654274] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  212.654274]  active_file:17 inactive_file:15 isolated_file:0
[  212.654274]  unevictable:0 dirty:0 writeback:0 unstable:0
[  212.654274]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  212.654274]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  212.654274]  free:13630 free_pcp:175 free_cma:0
[  212.659607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  212.666878] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  212.669274] Call Trace:
[  212.702306] Node 0 
[  212.711647]  <IRQ>
[  212.739408] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  212.741961]  dump_stack+0x1c4/0x2b4
[  212.744172] lowmem_reserve[]:
[  212.746315]  ? dump_stack_print_info.cold.2+0x52/0x52
[  212.771786]  0
[  212.775404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.778483]  2819
[  212.783665]  warn_alloc.cold.119+0xb7/0x1bd
[  212.785438]  6323
[  212.790967]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  212.793005]  6323
[  212.797315]  ? lock_downgrade+0x900/0x900
[  212.804182]  ? trace_hardirqs_off+0xb8/0x310
[  212.806218] Node 0 
[  212.810358]  ? trace_hardirqs_off+0xb8/0x310
[  212.814762] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  212.816968]  __alloc_pages_slowpath+0x2667/0x2d80
[  212.821349] lowmem_reserve[]:
[  212.848674]  ? warn_alloc+0x120/0x120
[  212.853480]  0
[  212.856579]  ? trace_hardirqs_on+0x310/0x310
[  212.860350]  0
[  212.862149]  ? warn_alloc+0x120/0x120
[  212.866527]  3503
[  212.868321]  ? warn_alloc+0x120/0x120
[  212.872105]  3503
[  212.874160]  ? ktime_get+0x2e1/0x440
[  212.879986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.883670] Node 0 
[  212.889194]  ? check_preemption_disabled+0x48/0x200
[  212.889228] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  212.891432]  ? kasan_check_read+0x11/0x20
[  212.896424] lowmem_reserve[]:
[  212.924876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.928997]  0
[  212.932094]  ? should_fail+0x22d/0xd01
[  212.937598]  0
[  212.939394]  ? rcu_bh_qs+0xc0/0xc0
[  212.943248]  0
[  212.945053]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  212.948559]  0
[  212.950363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.955434] Node 0 
[  212.957228]  ? should_fail+0x22d/0xd01
[  212.962738] DMA: 
[  212.964969]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  212.968830] 1*4kB 
[  212.970883]  ? should_fail+0x22d/0xd01
[  212.975956] (U) 
[  212.978096]  ? rcu_idle_enter+0x4b0/0x4b0
[  212.981953] 0*8kB 
[  212.983921]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  212.988041] 0*16kB 
[  212.990188]  ? mark_held_locks+0x130/0x130
[  212.995275] 1*32kB 
[  212.997503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.001708] (U) 
[  213.003935]  ? mark_held_locks+0x130/0x130
[  213.009442] 2*64kB 
[  213.011413]  ? rcu_irq_exit+0xce/0x100
[  213.015619] (U) 
[  213.017846]  ? irq_exit+0xbd/0x1c0
[  213.021719] 1*128kB 
[  213.023687]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  213.027197] (U) 
[  213.029513]  ? do_raw_spin_unlock+0xa7/0x2f0
[  213.034502] 1*256kB 
[  213.036468]  ? smp_call_function_single_interrupt+0x650/0x650
[  213.040846] (U) 
[  213.043161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.049017] 0*512kB 
[  213.050985]  ? ret_from_intr+0xb/0x1e
[  213.056493] 1*1024kB 
[  213.058805]  ? retint_kernel+0x2d/0x2d
[  213.062581] (U) 
[  213.064985]  ? trace_hardirqs_on_caller+0xc0/0x310
[  213.068846] 1*2048kB 
[  213.070814]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  213.075711] (M) 
[  213.078116]  ? trace_hardirqs_off+0x310/0x310
[  213.082845] 3*4096kB 
[  213.084814]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  213.089277] (M) 
[  213.091682]  __alloc_pages_nodemask+0xa80/0xde0
[  213.096754] = 15908kB
[  213.098722]  ? should_fail+0x22d/0xd01
[  213.103828] Node 0 
[  213.106230]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  213.110086] DMA32: 
[  213.112324]  ? ____cache_alloc_node+0x1c7/0x1e0
[  213.117304] 3*4kB 
[  213.119544]  ? lock_downgrade+0x900/0x900
[  213.124182] (ME) 
[  213.126323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.130442] 2*8kB 
[  213.132497]  cache_grow_begin+0x91/0x8c0
[  213.138003] (ME) 
[  213.140146]  ? do_raw_spin_unlock+0xa7/0x2f0
[  213.144180] 4*16kB 
[  213.146241]  fallback_alloc+0x203/0x2e0
[  213.150619] (UME) 
[  213.152847]  ____cache_alloc_node+0x1c7/0x1e0
[  213.156791] 3*32kB 
[  213.158929]  kmem_cache_alloc_node+0xe3/0x730
[  213.163393] (ME) 
[  213.165624]  ? ipv6_get_ifaddr+0x42e/0x620
[  213.170107] 5*64kB 
[  213.172163]  __alloc_skb+0x119/0x770
[  213.176395] (ME) 
[  213.178624]  ? skb_scrub_packet+0x490/0x490
[  213.182312] 5*128kB 
[  213.184370]  ? lock_downgrade+0x900/0x900
[  213.188656] (UME) 
[  213.190977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.195095] 5*256kB 
[  213.197242]  ? refcount_sub_and_test_checked+0x203/0x310
[  213.202745] (UME) 
[  213.205076]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  213.210498] 4*512kB 
[  213.212649]  ? addrconf_rs_timer+0x690/0x690
[  213.218076] (ME) 
[  213.220396]  ndisc_alloc_skb+0x144/0x340
[  213.224776] 4*1024kB 
[  213.226829]  ndisc_send_rs+0x331/0x6e0
[  213.230866] (UME) 
[  213.233268]  addrconf_rs_timer+0x314/0x690
[  213.237132] 2*2048kB 
[  213.239276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.243503] (ME) 
[  213.245910]  call_timer_fn+0x272/0x920
[  213.250114] 3*4096kB 
[  213.252170]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.256031] (M) 
[  213.258443]  ? process_timeout+0x40/0x40
[  213.262661] = 24956kB
[  213.264631]  ? trace_hardirqs_off+0xb8/0x310
[  213.268661] Node 0 
[  213.271074]  ? kasan_check_read+0x11/0x20
[  213.275455] Normal: 
[  213.277683]  ? do_raw_spin_unlock+0xa7/0x2f0
[  213.281804] 1016*4kB 
[  213.284116]  ? trace_hardirqs_on+0x310/0x310
[  213.288493] (UME) 
[  213.290897]  ? __run_timers+0x7da/0xc70
[  213.295276] 447*8kB 
[  213.297417]  ? lock_downgrade+0x900/0x900
[  213.301359] (ME) 
[  213.303674]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  213.307794] 188*16kB 
[  213.309846]  ? trace_hardirqs_on+0xbd/0x310
[  213.314918] (UME) 
[  213.317321]  ? kasan_check_read+0x11/0x20
[  213.321616] 54*32kB 
[  213.323780]  ? __run_timers+0x7da/0xc70
[  213.327895] (UME) 
[  213.330213]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  213.334161] 20*64kB 
[  213.336304]  ? kasan_check_write+0x14/0x20
[  213.341726] (UM) 
[  213.344051]  ? do_raw_spin_lock+0xc1/0x200
[  213.348260] 0*128kB 
[  213.350313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  213.354517] 0*256kB 
[  213.356831]  __run_timers+0x7e5/0xc70
[  213.361036] 0*512kB 
[  213.363358]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  213.367130] 0*1024kB 
[  213.369444]  ? lock_acquire+0x1ed/0x520
[  213.374777] 0*2048kB 
[  213.377177]  ? __hrtimer_run_queues+0x488/0x10d0
[  213.381128] 0*4096kB 
[  213.383526]  ? lock_release+0x970/0x970
[  213.388253] = 13656kB
[  213.390652]  ? trace_hardirqs_off+0xb8/0x310
[  213.394606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  213.397007]  ? do_raw_spin_unlock+0xa7/0x2f0
[  213.401384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  213.410202]  ? kasan_check_write+0x14/0x20
[  213.414587] 4246 total pagecache pages
[  213.423151]  ? pvclock_read_flags+0x160/0x160
[  213.427356] 0 pages in swap cache
[  213.431236]  ? lock_downgrade+0x900/0x900
[  213.435710] Swap cache stats: add 0, delete 0, find 0/0
[  213.439150]  ? trace_hardirqs_on+0xbd/0x310
[  213.443272] Free swap  = 0kB
[  213.448624]  ? kvm_sched_clock_read+0x9/0x20
[  213.452917] Total swap = 0kB
[  213.455943]  ? irq_exit+0x17f/0x1c0
[  213.460321] 1965979 pages RAM
[  213.463328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.466943] 0 pages HighMem/MovableOnly
[  213.470037]  ? check_preemption_disabled+0x48/0x200
[  213.475555] 342307 pages reserved
[  213.479522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.484507] 0 pages cma reserved
[  213.487954]  run_timer_softirq+0x52/0xb0
[  213.493539] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  213.496815]  ? __this_cpu_preempt_check+0x1c/0x1f
[  213.500895] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  213.507327]  __do_softirq+0x30b/0xad8
[  213.512146] ksoftirqd/0 cpuset=
[  213.522465]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  213.526238] /
[  213.529507]  ? pvclock_read_flags+0x160/0x160
[  213.534585]  mems_allowed=0
[  213.536298]  ? lapic_next_event+0x5a/0x90
[  213.547813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.553352]  ? clockevents_program_event+0x140/0x370
[  213.558455]  ? kvm_clock_read+0x18/0x30
[  213.562431]  ? kvm_sched_clock_read+0x9/0x20
[  213.566835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.572367]  ? check_preemption_disabled+0x48/0x200
[  213.577388]  irq_exit+0x17f/0x1c0
[  213.580839]  smp_apic_timer_interrupt+0x1cb/0x760
[  213.585675]  ? smp_reschedule_interrupt+0x109/0x650
[  213.590690]  ? smp_call_function_single_interrupt+0x650/0x650
[  213.596575]  ? interrupt_entry+0xb5/0xf0
[  213.600634]  ? trace_hardirqs_off_caller+0xbb/0x310
[  213.605645]  ? trace_hardirqs_off_caller+0xbb/0x310
[  213.610660]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.615501]  ? trace_hardirqs_on_caller+0x310/0x310
[  213.620517]  ? trace_hardirqs_on_caller+0x310/0x310
[  213.625548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.631088]  ? check_preemption_disabled+0x48/0x200
[  213.636107]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.640955]  apic_timer_interrupt+0xf/0x20
[  213.645180]  </IRQ>
[  213.647423] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  213.652377] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  213.671280] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  213.678982] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  213.686242] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  213.693505] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  213.700770] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  213.708032] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  213.715321]  ? trace_hardirqs_on+0xb4/0x310
[  213.719654]  skb_clone+0x1bb/0x500
[  213.723197]  ? skb_split+0x11e0/0x11e0
[  213.727084]  ? preempt_notifier_register+0x200/0x200
[  213.732183]  ? __switch_to_asm+0x34/0x70
[  213.736242]  ? __switch_to_asm+0x34/0x70
[  213.740297]  ? __switch_to_asm+0x40/0x70
[  213.744352]  ? __switch_to_asm+0x34/0x70
[  213.748412]  ? __switch_to_asm+0x40/0x70
[  213.752468]  ? __switch_to_asm+0x40/0x70
[  213.756525]  ? __switch_to_asm+0x34/0x70
[  213.760588]  ? __switch_to_asm+0x34/0x70
[  213.764643]  ? __switch_to_asm+0x40/0x70
[  213.768701]  ? __switch_to_asm+0x34/0x70
[  213.772760]  bpf_clone_redirect+0xb9/0x490
[  213.777000]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  213.782017]  ? __sched_text_start+0x8/0x8
[  213.786171]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  213.790921]  ? retint_kernel+0x2d/0x2d
[  213.794810]  ? trace_hardirqs_on_caller+0xc0/0x310
[  213.799745]  ? rcu_gp_kthread+0x2310/0x2310
[  213.804077]  ? trace_hardirqs_off+0x310/0x310
[  213.808578]  ? lock_acquire+0x1ed/0x520
[  213.812548]  ? bpf_test_run+0x3cb/0x780
[  213.816524]  ? lock_downgrade+0x900/0x900
[  213.820677]  ? lock_release+0x970/0x970
[  213.824648]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  213.830443]  ? preempt_schedule_common+0x1f/0xd0
[  213.835200]  ? preempt_schedule+0x4d/0x60
[  213.839344]  ? ___preempt_schedule+0x16/0x18
[  213.843754]  ? bpf_test_run+0x25d/0x780
[  213.847730]  ? netlink_diag_dump+0x2a0/0x2a0
[  213.852143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.857680]  ? bpf_test_init.isra.9+0x70/0x100
[  213.862262]  ? bpf_prog_test_run_skb+0x634/0xb40
[  213.867016]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  213.871863]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  213.877398]  ? fput+0x130/0x1a0
[  213.880672]  ? __bpf_prog_get+0x9b/0x290
[  213.884731]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  213.889576]  ? bpf_prog_test_run+0x130/0x1a0
[  213.893981]  ? __x64_sys_bpf+0x3d8/0x510
[  213.898038]  ? bpf_prog_get+0x20/0x20
[  213.901858]  ? do_syscall_64+0x1b9/0x820
[  213.905921]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  213.911287]  ? syscall_return_slowpath+0x5e0/0x5e0
[  213.916214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.921061]  ? trace_hardirqs_on_caller+0x310/0x310
[  213.926084]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  213.931100]  ? prepare_exit_to_usermode+0x291/0x3b0
[  213.936121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.940998]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  213.946370] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  213.946439] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  213.953219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  213.959766] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  213.969031] Call Trace:
[  213.979505] syz-executor4 cpuset=syz4
[  213.982088]  dump_stack+0x1c4/0x2b4
[  213.982104]  ? dump_stack_print_info.cold.2+0x52/0x52
[  213.985885]  mems_allowed=0
[  213.989502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.003105]  warn_alloc.cold.119+0xb7/0x1bd
[  214.007431]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  214.012271]  ? lock_downgrade+0x900/0x900
[  214.016423]  ? trace_hardirqs_off+0xb8/0x310
[  214.020831]  ? trace_hardirqs_off+0xb8/0x310
[  214.025258]  __alloc_pages_slowpath+0x2667/0x2d80
[  214.030116]  ? mark_held_locks+0x130/0x130
[  214.034355]  ? warn_alloc+0x120/0x120
[  214.038159]  ? warn_alloc+0x120/0x120
[  214.041961]  ? warn_alloc+0x120/0x120
[  214.045764]  ? mark_held_locks+0x130/0x130
[  214.050009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.055542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.061087]  ? should_fail+0x22d/0xd01
[  214.064976]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.070086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.075617]  ? should_fail+0x22d/0xd01
[  214.079506]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.084603]  ? should_fail+0x22d/0xd01
[  214.088491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.093593]  ? mark_held_locks+0x130/0x130
[  214.097826]  ? mark_held_locks+0x130/0x130
[  214.102544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.108090]  ? trace_hardirqs_off+0xb8/0x310
[  214.112491]  ? kasan_check_read+0x11/0x20
[  214.116636]  ? do_raw_spin_unlock+0xa7/0x2f0
[  214.121052]  ? trace_hardirqs_on+0x310/0x310
[  214.125463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.130999]  ? wq_watchdog_touch+0x9c/0xfe
[  214.135231]  ? io_serial_in+0x11/0x90
[  214.139032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.144579]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  214.149689]  __alloc_pages_nodemask+0xa80/0xde0
[  214.154357]  ? should_fail+0x22d/0xd01
[  214.158245]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  214.163275]  ? ____cache_alloc_node+0x1c7/0x1e0
[  214.167942]  ? lock_downgrade+0x900/0x900
[  214.172091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.177629]  cache_grow_begin+0x91/0x8c0
[  214.181688]  ? do_raw_spin_unlock+0xa7/0x2f0
[  214.186102]  fallback_alloc+0x203/0x2e0
[  214.190088]  ____cache_alloc_node+0x1c7/0x1e0
[  214.194587]  kmem_cache_alloc_node+0xe3/0x730
[  214.199081]  ? ipv6_get_ifaddr+0x42e/0x620
[  214.203319]  __alloc_skb+0x119/0x770
[  214.207034]  ? skb_scrub_packet+0x490/0x490
[  214.211366]  ? lock_downgrade+0x900/0x900
[  214.215518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.221063]  ? refcount_sub_and_test_checked+0x203/0x310
[  214.226516]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  214.231964]  ? addrconf_rs_timer+0x690/0x690
[  214.236530]  ndisc_alloc_skb+0x144/0x340
[  214.240593]  ndisc_send_rs+0x331/0x6e0
[  214.244483]  addrconf_rs_timer+0x314/0x690
[  214.248713]  ? lock_release+0x970/0x970
[  214.252685]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  214.256924]  call_timer_fn+0x272/0x920
[  214.260810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  214.265070]  ? process_timeout+0x40/0x40
[  214.269140]  ? kasan_check_read+0x11/0x20
[  214.273283]  ? do_raw_spin_unlock+0xa7/0x2f0
[  214.277692]  ? trace_hardirqs_on+0x310/0x310
[  214.282098]  ? __run_timers+0x7da/0xc70
[  214.286077]  ? lock_downgrade+0x900/0x900
[  214.290224]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  214.295331]  ? trace_hardirqs_on+0xbd/0x310
[  214.299644]  ? kasan_check_read+0x11/0x20
[  214.303786]  ? __run_timers+0x7da/0xc70
[  214.307756]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  214.313207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.318740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  214.322975]  __run_timers+0x7e5/0xc70
[  214.326788]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  214.332151]  ? lock_downgrade+0x900/0x900
[  214.336305]  ? finish_task_switch+0x1b5/0x900
[  214.340806]  ? trace_hardirqs_on+0xbd/0x310
[  214.345126]  ? kasan_check_read+0x11/0x20
[  214.349273]  ? finish_task_switch+0x1f5/0x900
[  214.353787]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  214.359233]  ? compat_start_thread+0x80/0x80
[  214.363650]  ? pvclock_read_flags+0x160/0x160
[  214.368142]  ? __switch_to_asm+0x34/0x70
[  214.372200]  ? __switch_to_asm+0x34/0x70
[  214.376259]  ? __switch_to_asm+0x40/0x70
[  214.380316]  ? __switch_to_asm+0x40/0x70
[  214.384372]  ? __switch_to_asm+0x34/0x70
[  214.388428]  ? __switch_to_asm+0x40/0x70
[  214.392488]  ? trace_hardirqs_on+0xbd/0x310
[  214.396804]  ? kvm_sched_clock_read+0x9/0x20
[  214.401213]  ? run_ksoftirqd+0x94/0x100
[  214.405183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.410719]  ? check_preemption_disabled+0x48/0x200
[  214.415730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.421268]  run_timer_softirq+0x52/0xb0
[  214.425332]  ? __this_cpu_preempt_check+0x1c/0x1f
[  214.430170]  __do_softirq+0x30b/0xad8
[  214.433970]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  214.439079]  ? trace_hardirqs_off+0x310/0x310
[  214.443575]  ? retint_kernel+0x1b/0x2d
[  214.447466]  ? schedule+0x108/0x460
[  214.451095]  ? trace_hardirqs_off+0xb8/0x310
[  214.455504]  ? smpboot_thread_fn+0x68b/0xa00
[  214.459912]  ? trace_hardirqs_on+0x310/0x310
[  214.464316]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.469850]  ? check_preemption_disabled+0x48/0x200
[  214.474868]  ? takeover_tasklets+0xa90/0xa90
[  214.479273]  run_ksoftirqd+0x94/0x100
[  214.483083]  smpboot_thread_fn+0x68b/0xa00
[  214.487343]  ? sort_range+0x30/0x30
[  214.490966]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  214.496078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.501614]  ? __kthread_parkme+0xfb/0x1a0
[  214.505862]  kthread+0x35a/0x420
[  214.509222]  ? sort_range+0x30/0x30
[  214.512842]  ? kthread_bind+0x40/0x40
[  214.516639]  ret_from_fork+0x3a/0x50
[  214.520356] warn_alloc_show_mem: 1 callbacks suppressed
[  214.520368] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  214.520370] Mem-Info:
[  214.520400] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  214.520400]  active_file:17 inactive_file:15 isolated_file:0
[  214.520400]  unevictable:0 dirty:0 writeback:0 unstable:0
[  214.520400]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  214.520400]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  214.520400]  free:13630 free_pcp:175 free_cma:0
[  214.525754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  214.533043] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  214.535436] Call Trace:
[  214.568470] Node 0 
[  214.577810]  <IRQ>
[  214.605570] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  214.608130]  dump_stack+0x1c4/0x2b4
[  214.610357] lowmem_reserve[]:
[  214.612500]  ? dump_stack_print_info.cold.2+0x52/0x52
[  214.637969]  0
[  214.641594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.644667]  2819
[  214.649863]  warn_alloc.cold.119+0xb7/0x1bd
[  214.651634]  6323
[  214.657163]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  214.659196]  6323
[  214.663508]  ? lock_downgrade+0x900/0x900
[  214.670380]  ? trace_hardirqs_off+0xb8/0x310
[  214.672412] Node 0 
[  214.676550]  ? trace_hardirqs_off+0xb8/0x310
[  214.680957] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  214.683163]  __alloc_pages_slowpath+0x2667/0x2d80
[  214.687545] lowmem_reserve[]:
[  214.714531]  ? warn_alloc+0x120/0x120
[  214.719331]  0
[  214.722440]  ? trace_hardirqs_on+0x310/0x310
[  214.726240]  0
[  214.728037]  ? warn_alloc+0x120/0x120
[  214.732429]  3503
[  214.734227]  ? warn_alloc+0x120/0x120
[  214.738001]  3503
[  214.740066]  ? ktime_get+0x2e1/0x440
[  214.745893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.749578] Node 0 
[  214.755101]  ? check_preemption_disabled+0x48/0x200
[  214.755135] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  214.757339]  ? kasan_check_read+0x11/0x20
[  214.762330] lowmem_reserve[]:
[  214.790774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.794890]  0
[  214.797989]  ? should_fail+0x22d/0xd01
[  214.803498]  0
[  214.805294]  ? rcu_bh_qs+0xc0/0xc0
[  214.809151]  0
[  214.810944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.814454]  0
[  214.816247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.823114]  ? should_fail+0x22d/0xd01
[  214.828625] Node 0 DMA: 
[  214.832500]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.832515]  ? should_fail+0x22d/0xd01
[  214.835161] 1*4kB 
[  214.840259]  ? rcu_idle_enter+0x4b0/0x4b0
[  214.844117] (U) 
[  214.846257]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.850379] 0*8kB 
[  214.852349]  ? mark_held_locks+0x130/0x130
[  214.857425] 0*16kB 
[  214.859572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.863779] 1*32kB 
[  214.866005]  ? mark_held_locks+0x130/0x130
[  214.871516] (U) 
[  214.873758]  ? rcu_irq_exit+0xce/0x100
[  214.877963] 2*64kB 
[  214.879933]  ? irq_exit+0xbd/0x1c0
[  214.883792] (U) 
[  214.886025]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  214.889540] 1*128kB 
[  214.891511]  ? do_raw_spin_unlock+0xa7/0x2f0
[  214.896495] (U) 
[  214.898811]  ? smp_call_function_single_interrupt+0x650/0x650
[  214.903191] 1*256kB 
[  214.905160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.911013] (U) 
[  214.913330]  ? ret_from_intr+0xb/0x1e
[  214.918841] 0*512kB 
[  214.920804]  ? retint_kernel+0x2d/0x2d
[  214.924575] 1*1024kB 
[  214.926887]  ? trace_hardirqs_on_caller+0xc0/0x310
[  214.930742] (U) 
[  214.933148]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  214.938060] 1*2048kB 
[  214.940025]  ? trace_hardirqs_off+0x310/0x310
[  214.944751] (M) 
[  214.947155]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  214.951624] 3*4096kB 
[  214.953598]  __alloc_pages_nodemask+0xa80/0xde0
[  214.958668] (M) 
[  214.961105]  ? should_fail+0x22d/0xd01
[  214.965745] = 15908kB
[  214.967710]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  214.971569] Node 0 
[  214.973978]  ? ____cache_alloc_node+0x1c7/0x1e0
[  214.978953] DMA32: 
[  214.981186]  ? lock_downgrade+0x900/0x900
[  214.985825] 3*4kB 
[  214.988059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.992178] (ME) 
[  214.994318]  cache_grow_begin+0x91/0x8c0
[  214.999830] 2*8kB 
[  215.001885]  ? do_raw_spin_unlock+0xa7/0x2f0
[  215.005914] (ME) 
[  215.008063]  fallback_alloc+0x203/0x2e0
[  215.012464] 4*16kB 
[  215.014518]  ____cache_alloc_node+0x1c7/0x1e0
[  215.018461] (UME) 
[  215.020692]  kmem_cache_alloc_node+0xe3/0x730
[  215.025159] 3*32kB 
[  215.027298]  ? ipv6_get_ifaddr+0x42e/0x620
[  215.031762] (ME) 
[  215.033988]  __alloc_skb+0x119/0x770
[  215.038195] 5*64kB 
[  215.040252]  ? skb_scrub_packet+0x490/0x490
[  215.043939] (ME) 
[  215.046168]  ? lock_downgrade+0x900/0x900
[  215.050465] 5*128kB 
[  215.052519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.056636] (UME) 
[  215.058952]  ? refcount_sub_and_test_checked+0x203/0x310
[  215.064461] 5*256kB 
[  215.066607]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  215.072030] (UME) 
[  215.074351]  ? addrconf_rs_timer+0x690/0x690
[  215.079776] 4*512kB 
[  215.081916]  ndisc_alloc_skb+0x144/0x340
[  215.086291] (ME) 
[  215.088603]  ndisc_send_rs+0x331/0x6e0
[  215.092637] 4*1024kB 
[  215.094696]  addrconf_rs_timer+0x314/0x690
[  215.098553] (UME) 
[  215.100958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.105658] 2*2048kB 
[  215.107806]  call_timer_fn+0x272/0x920
[  215.112008] (ME) 
[  215.114409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.118277] 3*4096kB 
[  215.120330]  ? process_timeout+0x40/0x40
[  215.124536] (M) 
[  215.126940]  ? trace_hardirqs_off+0xb8/0x310
[  215.130970] = 24956kB
[  215.132937]  ? kasan_check_read+0x11/0x20
[  215.137316] Node 0 
[  215.139720]  ? do_raw_spin_unlock+0xa7/0x2f0
[  215.143839] Normal: 
[  215.146076]  ? trace_hardirqs_on+0x310/0x310
[  215.150457] 1016*4kB 
[  215.152775]  ? __run_timers+0x7da/0xc70
[  215.157153] (UME) 
[  215.159563]  ? lock_downgrade+0x900/0x900
[  215.163507] 447*8kB 
[  215.165653]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  215.169772] (ME) 
[  215.172090]  ? trace_hardirqs_on+0xbd/0x310
[  215.177166] 188*16kB 
[  215.179226]  ? kasan_check_read+0x11/0x20
[  215.183534] (UME) 
[  215.185943]  ? __run_timers+0x7da/0xc70
[  215.190074] 54*32kB 
[  215.192218]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  215.196163] (UME) 
[  215.198480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.203914] 20*64kB 
[  215.206061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.211574] (UM) 
[  215.213892]  __run_timers+0x7e5/0xc70
[  215.218098] 0*128kB 
[  215.220153]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  215.223919] 0*256kB 
[  215.226236]  ? lock_acquire+0x1ed/0x520
[  215.231660] 0*512kB 
[  215.233972]  ? __hrtimer_run_queues+0x488/0x10d0
[  215.237920] 0*1024kB 
[  215.240236]  ? lock_release+0x970/0x970
[  215.244963] 0*2048kB 
[  215.247362]  ? trace_hardirqs_off+0xb8/0x310
[  215.251307] 0*4096kB 
[  215.253715]  ? do_raw_spin_unlock+0xa7/0x2f0
[  215.258097] = 13656kB
[  215.260496]  ? kasan_check_write+0x14/0x20
[  215.264884] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  215.267276]  ? pvclock_read_flags+0x160/0x160
[  215.271491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  215.280311]  ? lock_downgrade+0x900/0x900
[  215.284780] 4246 total pagecache pages
[  215.293354]  ? trace_hardirqs_on+0xbd/0x310
[  215.297473] 0 pages in swap cache
[  215.301359]  ? kvm_sched_clock_read+0x9/0x20
[  215.305654] Swap cache stats: add 0, delete 0, find 0/0
[  215.309101]  ? irq_exit+0x17f/0x1c0
[  215.313482] Free swap  = 0kB
[  215.318838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.322438] Total swap = 0kB
[  215.325444]  ? check_preemption_disabled+0x48/0x200
[  215.330954] 1965979 pages RAM
[  215.333986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.338977] 0 pages HighMem/MovableOnly
[  215.342083]  run_timer_softirq+0x52/0xb0
[  215.347593] 342307 pages reserved
[  215.351563]  ? __this_cpu_preempt_check+0x1c/0x1f
[  215.355596] 0 pages cma reserved
[  215.359041]  __do_softirq+0x30b/0xad8
[  215.363919] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  215.367224]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  215.371039] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  215.377481]  ? pvclock_read_flags+0x160/0x160
[  215.382555] ksoftirqd/0 cpuset=
[  215.392861]  ? lapic_next_event+0x5a/0x90
[  215.397326] /
[  215.400598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.404720]  mems_allowed=0
[  215.406427]  ? clockevents_program_event+0x140/0x370
[  215.419944]  ? kvm_clock_read+0x18/0x30
[  215.423917]  ? kvm_sched_clock_read+0x9/0x20
[  215.428339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.433883]  ? check_preemption_disabled+0x48/0x200
[  215.438903]  irq_exit+0x17f/0x1c0
[  215.442354]  smp_apic_timer_interrupt+0x1cb/0x760
[  215.447193]  ? smp_reschedule_interrupt+0x109/0x650
[  215.452204]  ? smp_call_function_single_interrupt+0x650/0x650
[  215.458086]  ? interrupt_entry+0xb5/0xf0
[  215.462146]  ? trace_hardirqs_off_caller+0xbb/0x310
[  215.467162]  ? trace_hardirqs_off_caller+0xbb/0x310
[  215.472179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  215.477019]  ? trace_hardirqs_on_caller+0x310/0x310
[  215.482035]  ? trace_hardirqs_on_caller+0x310/0x310
[  215.487066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.492601]  ? check_preemption_disabled+0x48/0x200
[  215.497619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  215.502467]  apic_timer_interrupt+0xf/0x20
[  215.506693]  </IRQ>
[  215.508942] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  215.513868] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  215.532764] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  215.540475] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  215.547744] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  215.555005] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  215.562280] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  215.569544] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  215.576847]  ? trace_hardirqs_on+0xb4/0x310
[  215.581187]  skb_clone+0x1bb/0x500
[  215.584724]  ? skb_split+0x11e0/0x11e0
[  215.588610]  ? preempt_notifier_register+0x200/0x200
[  215.593711]  ? __switch_to_asm+0x34/0x70
[  215.597771]  ? __switch_to_asm+0x34/0x70
[  215.601826]  ? __switch_to_asm+0x40/0x70
[  215.605881]  ? __switch_to_asm+0x34/0x70
[  215.609940]  ? __switch_to_asm+0x40/0x70
[  215.614002]  ? __switch_to_asm+0x40/0x70
[  215.618068]  ? __switch_to_asm+0x34/0x70
[  215.622127]  ? __switch_to_asm+0x34/0x70
[  215.626187]  ? __switch_to_asm+0x40/0x70
[  215.630247]  ? __switch_to_asm+0x34/0x70
[  215.634310]  bpf_clone_redirect+0xb9/0x490
[  215.638545]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  215.643569]  ? __sched_text_start+0x8/0x8
[  215.647717]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  215.652469]  ? retint_kernel+0x2d/0x2d
[  215.656357]  ? trace_hardirqs_on_caller+0xc0/0x310
[  215.661291]  ? rcu_gp_kthread+0x2310/0x2310
[  215.665607]  ? trace_hardirqs_off+0x310/0x310
[  215.670107]  ? lock_acquire+0x1ed/0x520
[  215.674080]  ? bpf_test_run+0x3cb/0x780
[  215.678060]  ? lock_downgrade+0x900/0x900
[  215.682207]  ? lock_release+0x970/0x970
[  215.686178]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  215.691986]  ? preempt_schedule_common+0x1f/0xd0
[  215.696742]  ? preempt_schedule+0x4d/0x60
[  215.700893]  ? ___preempt_schedule+0x16/0x18
[  215.705302]  ? bpf_test_run+0x25d/0x780
[  215.709281]  ? netlink_diag_dump+0x2a0/0x2a0
[  215.713694]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.719224]  ? bpf_test_init.isra.9+0x70/0x100
[  215.723804]  ? bpf_prog_test_run_skb+0x634/0xb40
[  215.728567]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  215.733405]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  215.738942]  ? fput+0x130/0x1a0
[  215.742219]  ? __bpf_prog_get+0x9b/0x290
[  215.746277]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  215.751116]  ? bpf_prog_test_run+0x130/0x1a0
[  215.755526]  ? __x64_sys_bpf+0x3d8/0x510
[  215.759586]  ? bpf_prog_get+0x20/0x20
[  215.763394]  ? do_syscall_64+0x1b9/0x820
[  215.767455]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  215.772819]  ? syscall_return_slowpath+0x5e0/0x5e0
[  215.777748]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  215.782596]  ? trace_hardirqs_on_caller+0x310/0x310
[  215.787608]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  215.792625]  ? prepare_exit_to_usermode+0x291/0x3b0
[  215.797643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  215.802486]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  215.807860] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  215.807911] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  215.814692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  215.814696] Call Trace:
[  215.814713]  dump_stack+0x1c4/0x2b4
[  215.814730]  ? dump_stack_print_info.cold.2+0x52/0x52
[  215.821245] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  215.830546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.833111] syz-executor4 cpuset=
[  215.836730]  warn_alloc.cold.119+0xb7/0x1bd
[  215.841890] syz4
[  215.852369]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  215.857877]  mems_allowed=0
[  215.861322]  ? lock_downgrade+0x900/0x900
[  215.879452]  ? trace_hardirqs_off+0xb8/0x310
[  215.883860]  ? trace_hardirqs_off+0xb8/0x310
[  215.888268]  __alloc_pages_slowpath+0x2667/0x2d80
[  215.893125]  ? mark_held_locks+0x130/0x130
[  215.897369]  ? warn_alloc+0x120/0x120
[  215.901173]  ? warn_alloc+0x120/0x120
[  215.904971]  ? warn_alloc+0x120/0x120
[  215.908770]  ? mark_held_locks+0x130/0x130
[  215.913005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.918541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.924089]  ? should_fail+0x22d/0xd01
[  215.927984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.933101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.938634]  ? should_fail+0x22d/0xd01
[  215.942519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.947615]  ? should_fail+0x22d/0xd01
[  215.951504]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.956608]  ? mark_held_locks+0x130/0x130
[  215.960844]  ? mark_held_locks+0x130/0x130
[  215.965089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.970624]  ? trace_hardirqs_off+0xb8/0x310
[  215.975027]  ? kasan_check_read+0x11/0x20
[  215.979187]  ? do_raw_spin_unlock+0xa7/0x2f0
[  215.983594]  ? trace_hardirqs_on+0x310/0x310
[  215.988000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.993535]  ? wq_watchdog_touch+0x9c/0xfe
[  215.997772]  ? io_serial_in+0x11/0x90
[  216.001567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.007106]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  216.012213]  __alloc_pages_nodemask+0xa80/0xde0
[  216.016877]  ? should_fail+0x22d/0xd01
[  216.020764]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  216.025790]  ? ____cache_alloc_node+0x1c7/0x1e0
[  216.030456]  ? lock_downgrade+0x900/0x900
[  216.034607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.040142]  cache_grow_begin+0x91/0x8c0
[  216.044206]  ? do_raw_spin_unlock+0xa7/0x2f0
[  216.048615]  fallback_alloc+0x203/0x2e0
[  216.052591]  ____cache_alloc_node+0x1c7/0x1e0
[  216.057097]  kmem_cache_alloc_node+0xe3/0x730
[  216.061587]  ? ipv6_get_ifaddr+0x42e/0x620
[  216.065826]  __alloc_skb+0x119/0x770
[  216.069537]  ? skb_scrub_packet+0x490/0x490
[  216.073854]  ? lock_downgrade+0x900/0x900
[  216.078007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.083544]  ? refcount_sub_and_test_checked+0x203/0x310
[  216.088998]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  216.094441]  ? addrconf_rs_timer+0x690/0x690
[  216.098850]  ndisc_alloc_skb+0x144/0x340
[  216.103420]  ndisc_send_rs+0x331/0x6e0
[  216.107306]  addrconf_rs_timer+0x314/0x690
[  216.111536]  ? lock_release+0x970/0x970
[  216.115507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  216.119751]  call_timer_fn+0x272/0x920
[  216.123637]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  216.127873]  ? process_timeout+0x40/0x40
[  216.131935]  ? kasan_check_read+0x11/0x20
[  216.136089]  ? do_raw_spin_unlock+0xa7/0x2f0
[  216.140497]  ? trace_hardirqs_on+0x310/0x310
[  216.144903]  ? __run_timers+0x7da/0xc70
[  216.148875]  ? lock_downgrade+0x900/0x900
[  216.153021]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  216.158131]  ? trace_hardirqs_on+0xbd/0x310
[  216.162448]  ? kasan_check_read+0x11/0x20
[  216.166592]  ? __run_timers+0x7da/0xc70
[  216.170562]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  216.176013]  ? kasan_check_write+0x14/0x20
[  216.180247]  ? do_raw_spin_lock+0xc1/0x200
[  216.184481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  216.189497]  __run_timers+0x7e5/0xc70
[  216.193307]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  216.198666]  ? lock_downgrade+0x900/0x900
[  216.202814]  ? finish_task_switch+0x1b5/0x900
[  216.207325]  ? trace_hardirqs_on+0xbd/0x310
[  216.211641]  ? kasan_check_read+0x11/0x20
[  216.215784]  ? finish_task_switch+0x1f5/0x900
[  216.220291]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  216.225740]  ? compat_start_thread+0x80/0x80
[  216.230161]  ? pvclock_read_flags+0x160/0x160
[  216.234796]  ? __switch_to_asm+0x34/0x70
[  216.238852]  ? __switch_to_asm+0x34/0x70
[  216.242911]  ? __switch_to_asm+0x40/0x70
[  216.246967]  ? __switch_to_asm+0x40/0x70
[  216.251026]  ? __switch_to_asm+0x34/0x70
[  216.255093]  ? __switch_to_asm+0x40/0x70
[  216.259157]  ? trace_hardirqs_on+0xbd/0x310
[  216.263477]  ? kvm_sched_clock_read+0x9/0x20
[  216.267881]  ? run_ksoftirqd+0x94/0x100
[  216.271857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.277391]  ? check_preemption_disabled+0x48/0x200
[  216.282402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.287940]  run_timer_softirq+0x52/0xb0
[  216.291996]  ? __this_cpu_preempt_check+0x1c/0x1f
[  216.296832]  __do_softirq+0x30b/0xad8
[  216.300634]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  216.305729]  ? trace_hardirqs_off+0x310/0x310
[  216.310220]  ? retint_kernel+0x1b/0x2d
[  216.314114]  ? schedule+0x108/0x460
[  216.317742]  ? trace_hardirqs_off+0xb8/0x310
[  216.322145]  ? smpboot_thread_fn+0x68b/0xa00
[  216.326552]  ? trace_hardirqs_on+0x310/0x310
[  216.330958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.336489]  ? check_preemption_disabled+0x48/0x200
[  216.341507]  ? takeover_tasklets+0xa90/0xa90
[  216.345928]  run_ksoftirqd+0x94/0x100
[  216.349735]  smpboot_thread_fn+0x68b/0xa00
[  216.353965]  ? sort_range+0x30/0x30
[  216.357591]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  216.362687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.368221]  ? __kthread_parkme+0xfb/0x1a0
[  216.372458]  kthread+0x35a/0x420
[  216.375819]  ? sort_range+0x30/0x30
[  216.379456]  ? kthread_bind+0x40/0x40
[  216.383266]  ret_from_fork+0x3a/0x50
[  216.386979] warn_alloc_show_mem: 1 callbacks suppressed
[  216.386991] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  216.386992] Mem-Info:
[  216.387023] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  216.387023]  active_file:17 inactive_file:15 isolated_file:0
[  216.387023]  unevictable:0 dirty:0 writeback:0 unstable:0
[  216.387023]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  216.387023]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  216.387023]  free:13630 free_pcp:175 free_cma:0
[  216.392355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  216.399626] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  216.402022] Call Trace:
[  216.435076] Node 0 
[  216.444414]  <IRQ>
[  216.472179] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  216.474734]  dump_stack+0x1c4/0x2b4
[  216.476945] lowmem_reserve[]:
[  216.479089]  ? dump_stack_print_info.cold.2+0x52/0x52
[  216.504566]  0
[  216.508201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.511276]  2819
[  216.516459]  warn_alloc.cold.119+0xb7/0x1bd
[  216.518231]  6323
[  216.523757]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  216.525790]  6323
[  216.530101]  ? lock_downgrade+0x900/0x900
[  216.536970]  ? trace_hardirqs_off+0xb8/0x310
[  216.539004] Node 0 
[  216.543141]  ? trace_hardirqs_off+0xb8/0x310
[  216.547551] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  216.549755]  __alloc_pages_slowpath+0x2667/0x2d80
[  216.554135] lowmem_reserve[]:
[  216.581113]  ? warn_alloc+0x120/0x120
[  216.585915]  0
[  216.589029]  ? warn_alloc+0x120/0x120
[  216.592799]  0
[  216.594592]  ? warn_alloc+0x120/0x120
[  216.598363]  3503
[  216.600159]  ? mark_held_locks+0x130/0x130
[  216.603929]  3503
[  216.605986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.612244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.617753] Node 0 
[  216.623278]  ? should_fail+0x22d/0xd01
[  216.623313] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  216.625520]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  216.629376] lowmem_reserve[]:
[  216.657821]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.662892]  0
[  216.665988]  ? should_fail+0x22d/0xd01
[  216.671499]  0
[  216.673297]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  216.677153]  0
[  216.678948]  ? should_fail+0x22d/0xd01
[  216.684020]  0
[  216.685817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  216.691465]  ? mark_held_locks+0x130/0x130
[  216.696543] Node 0 DMA: 
[  216.700772]  ? mark_held_locks+0x130/0x130
[  216.700788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.703449] 1*4kB 
[  216.707671]  ? trace_hardirqs_off+0xb8/0x310
[  216.713176] (U) 
[  216.715320]  ? kasan_check_read+0x11/0x20
[  216.719697] 0*8kB 
[  216.721663]  ? do_raw_spin_unlock+0xa7/0x2f0
[  216.725779] 0*16kB 
[  216.727919]  ? trace_hardirqs_on+0x310/0x310
[  216.732298] 1*32kB 
[  216.734525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.738902] (U) 
[  216.741134]  ? wq_watchdog_touch+0x9c/0xfe
[  216.746642] 2*64kB 
[  216.748609]  ? io_serial_in+0x11/0x90
[  216.752814] (U) 
[  216.755054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.758827] 1*128kB 
[  216.760796]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  216.766303] (U) 
[  216.768621]  __alloc_pages_nodemask+0xa80/0xde0
[  216.773695] 1*256kB 
[  216.775664]  ? should_fail+0x22d/0xd01
[  216.780307] (U) 
[  216.782627]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  216.786487] 0*512kB 
[  216.788463]  ? ____cache_alloc_node+0x1c7/0x1e0
[  216.793529] 1*1024kB 
[  216.795843]  ? lock_downgrade+0x900/0x900
[  216.800481] (U) 
[  216.802882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.807003] 1*2048kB 
[  216.808969]  cache_grow_begin+0x91/0x8c0
[  216.814476] (M) 
[  216.816881]  ? do_raw_spin_unlock+0xa7/0x2f0
[  216.820928] 3*4096kB 
[  216.822894]  fallback_alloc+0x203/0x2e0
[  216.827271] (M) 
[  216.829674]  ____cache_alloc_node+0x1c7/0x1e0
[  216.833617] = 15908kB
[  216.835586]  kmem_cache_alloc_node+0xe3/0x730
[  216.840058] Node 0 
[  216.842492]  ? ipv6_get_ifaddr+0x42e/0x620
[  216.846956] DMA32: 
[  216.849189]  __alloc_skb+0x119/0x770
[  216.853397] 3*4kB 
[  216.855626]  ? skb_scrub_packet+0x490/0x490
[  216.859309] (ME) 
[  216.861452]  ? lock_downgrade+0x900/0x900
[  216.865745] 2*8kB 
[  216.867802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.871922] (ME) 
[  216.874071]  ? refcount_sub_and_test_checked+0x203/0x310
[  216.879582] 4*16kB 
[  216.881634]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  216.887065] (UME) 
[  216.889293]  ? addrconf_rs_timer+0x690/0x690
[  216.894717] 3*32kB 
[  216.896861]  ndisc_alloc_skb+0x144/0x340
[  216.901237] (ME) 
[  216.903463]  ndisc_send_rs+0x331/0x6e0
[  216.907497] 5*64kB 
[  216.909550]  addrconf_rs_timer+0x314/0x690
[  216.913407] (ME) 
[  216.915637]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  216.919848] 5*128kB 
[  216.921907]  call_timer_fn+0x272/0x920
[  216.926112] (UME) 
[  216.928433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  216.932293] 5*256kB 
[  216.934434]  ? process_timeout+0x40/0x40
[  216.938640] (UME) 
[  216.940958]  ? trace_hardirqs_off+0xb8/0x310
[  216.944994] 4*512kB 
[  216.947134]  ? kasan_check_read+0x11/0x20
[  216.951517] (ME) 
[  216.953851]  ? do_raw_spin_unlock+0xa7/0x2f0
[  216.957970] 4*1024kB 
[  216.960022]  ? trace_hardirqs_on+0x310/0x310
[  216.964400] (UME) 
[  216.966802]  ? __run_timers+0x7da/0xc70
[  216.971180] 2*2048kB 
[  216.973319]  ? lock_downgrade+0x900/0x900
[  216.977262] (ME) 
[  216.979668]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  216.983784] 3*4096kB 
[  216.985836]  ? trace_hardirqs_on+0xbd/0x310
[  216.990912] (M) 
[  216.993312]  ? kasan_check_read+0x11/0x20
[  216.997606] = 24956kB
[  216.999576]  ? __run_timers+0x7da/0xc70
[  217.003690] Node 0 
[  217.006093]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  217.010039] Normal: 
[  217.012275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.017694] 1016*4kB 
[  217.020008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.025515] (UME) 
[  217.027915]  __run_timers+0x7e5/0xc70
[  217.032121] 447*8kB 
[  217.034268]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  217.038039] (ME) 
[  217.040363]  ? lock_acquire+0x1ed/0x520
[  217.045699] 188*16kB 
[  217.047750]  ? __hrtimer_run_queues+0x488/0x10d0
[  217.051695] (UME) 
[  217.054095]  ? lock_release+0x970/0x970
[  217.058848] 54*32kB 
[  217.060995]  ? trace_hardirqs_off+0xb8/0x310
[  217.064940] (UME) 
[  217.067258]  ? do_raw_spin_unlock+0xa7/0x2f0
[  217.071641] 20*64kB 
[  217.073779]  ? kasan_check_write+0x14/0x20
[  217.078162] (UM) 
[  217.080476]  ? pvclock_read_flags+0x160/0x160
[  217.084680] 0*128kB 
[  217.086736]  ? lock_downgrade+0x900/0x900
[  217.091202] 0*256kB 
[  217.093515]  ? trace_hardirqs_on+0xbd/0x310
[  217.097635] 0*512kB 
[  217.099953]  ? kvm_sched_clock_read+0x9/0x20
[  217.104718] 0*1024kB 
[  217.107033]  ? irq_exit+0x17f/0x1c0
[  217.111409] 0*2048kB 
[  217.113810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.117407] 0*4096kB 
[  217.119810]  ? check_preemption_disabled+0x48/0x200
[  217.125318] = 13656kB
[  217.127723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.132714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  217.135112]  run_timer_softirq+0x52/0xb0
[  217.140639] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  217.149457]  ? __this_cpu_preempt_check+0x1c/0x1f
[  217.153492] 4246 total pagecache pages
[  217.162062]  __do_softirq+0x30b/0xad8
[  217.166884] 0 pages in swap cache
[  217.170761]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  217.174539] Swap cache stats: add 0, delete 0, find 0/0
[  217.177986]  ? pvclock_read_flags+0x160/0x160
[  217.183074] Free swap  = 0kB
[  217.188418]  ? lapic_next_event+0x5a/0x90
[  217.192899] Total swap = 0kB
[  217.195913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.200034] 1965979 pages RAM
[  217.203062]  ? clockevents_program_event+0x140/0x370
[  217.208566] 0 pages HighMem/MovableOnly
[  217.208574] 342307 pages reserved
[  217.211671]  ? kvm_clock_read+0x18/0x30
[  217.216746] 0 pages cma reserved
[  217.220712]  ? kvm_sched_clock_read+0x9/0x20
[  217.224186] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  217.228101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.231484] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  217.235839]  ? check_preemption_disabled+0x48/0x200
[  217.242307] ksoftirqd/0 cpuset=
[  217.247835]  irq_exit+0x17f/0x1c0
[  217.258133] /
[  217.263138]  smp_apic_timer_interrupt+0x1cb/0x760
[  217.266390]  mems_allowed=0
[  217.269834]  ? smp_reschedule_interrupt+0x109/0x650
[  217.284267]  ? smp_call_function_single_interrupt+0x650/0x650
[  217.290147]  ? interrupt_entry+0xb5/0xf0
[  217.294205]  ? trace_hardirqs_off_caller+0xbb/0x310
[  217.299217]  ? trace_hardirqs_off_caller+0xbb/0x310
[  217.304232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.309082]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.314096]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.319108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.324643]  ? check_preemption_disabled+0x48/0x200
[  217.329678]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.334526]  apic_timer_interrupt+0xf/0x20
[  217.338754]  </IRQ>
[  217.340993] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  217.345919] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  217.364814] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  217.372518] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  217.379781] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  217.387065] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  217.394331] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  217.401593] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  217.408876]  ? trace_hardirqs_on+0xb4/0x310
[  217.413205]  skb_clone+0x1bb/0x500
[  217.416756]  ? skb_split+0x11e0/0x11e0
[  217.420644]  ? preempt_notifier_register+0x200/0x200
[  217.425747]  ? __switch_to_asm+0x34/0x70
[  217.429808]  ? __switch_to_asm+0x34/0x70
[  217.433867]  ? __switch_to_asm+0x40/0x70
[  217.437922]  ? __switch_to_asm+0x34/0x70
[  217.441991]  ? __switch_to_asm+0x40/0x70
[  217.446045]  ? __switch_to_asm+0x40/0x70
[  217.450112]  ? __switch_to_asm+0x34/0x70
[  217.454168]  ? __switch_to_asm+0x34/0x70
[  217.458225]  ? __switch_to_asm+0x40/0x70
[  217.462280]  ? __switch_to_asm+0x34/0x70
[  217.466339]  bpf_clone_redirect+0xb9/0x490
[  217.470579]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  217.475593]  ? __sched_text_start+0x8/0x8
[  217.479742]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  217.484495]  ? retint_kernel+0x2d/0x2d
[  217.488381]  ? trace_hardirqs_on_caller+0xc0/0x310
[  217.493315]  ? rcu_gp_kthread+0x2310/0x2310
[  217.497633]  ? trace_hardirqs_off+0x310/0x310
[  217.502132]  ? lock_acquire+0x1ed/0x520
[  217.506103]  ? bpf_test_run+0x3cb/0x780
[  217.510084]  ? lock_downgrade+0x900/0x900
[  217.514231]  ? lock_release+0x970/0x970
[  217.518203]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  217.524002]  ? preempt_schedule_common+0x1f/0xd0
[  217.528754]  ? preempt_schedule+0x4d/0x60
[  217.532903]  ? ___preempt_schedule+0x16/0x18
[  217.537312]  ? bpf_test_run+0x25d/0x780
[  217.541287]  ? netlink_diag_dump+0x2a0/0x2a0
[  217.545692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.551225]  ? bpf_test_init.isra.9+0x70/0x100
[  217.555806]  ? bpf_prog_test_run_skb+0x634/0xb40
[  217.560573]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  217.565410]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  217.570959]  ? fput+0x130/0x1a0
[  217.574235]  ? __bpf_prog_get+0x9b/0x290
[  217.578297]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  217.583136]  ? bpf_prog_test_run+0x130/0x1a0
[  217.587543]  ? __x64_sys_bpf+0x3d8/0x510
[  217.591604]  ? bpf_prog_get+0x20/0x20
[  217.595412]  ? do_syscall_64+0x1b9/0x820
[  217.599473]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  217.604848]  ? syscall_return_slowpath+0x5e0/0x5e0
[  217.609771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.614613]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.619640]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  217.624651]  ? prepare_exit_to_usermode+0x291/0x3b0
[  217.629667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.634515]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  217.639884] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  217.639939] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  217.646718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  217.646722] Call Trace:
[  217.646740]  dump_stack+0x1c4/0x2b4
[  217.646756]  ? dump_stack_print_info.cold.2+0x52/0x52
[  217.653297] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  217.662604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.665159] syz-executor4 cpuset=
[  217.668782]  warn_alloc.cold.119+0xb7/0x1bd
[  217.673942] syz4
[  217.684434]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  217.689944]  mems_allowed=0
[  217.693386]  ? lock_downgrade+0x900/0x900
[  217.711516]  ? trace_hardirqs_off+0xb8/0x310
[  217.715928]  ? trace_hardirqs_off+0xb8/0x310
[  217.720341]  __alloc_pages_slowpath+0x2667/0x2d80
[  217.725192]  ? mark_held_locks+0x130/0x130
[  217.729427]  ? warn_alloc+0x120/0x120
[  217.733226]  ? warn_alloc+0x120/0x120
[  217.737026]  ? warn_alloc+0x120/0x120
[  217.740836]  ? mark_held_locks+0x130/0x130
[  217.745082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.750619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.756153]  ? should_fail+0x22d/0xd01
[  217.760041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.765154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.770688]  ? should_fail+0x22d/0xd01
[  217.774574]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.779672]  ? should_fail+0x22d/0xd01
[  217.783574]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.788676]  ? mark_held_locks+0x130/0x130
[  217.792913]  ? mark_held_locks+0x130/0x130
[  217.797146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.802682]  ? trace_hardirqs_off+0xb8/0x310
[  217.807090]  ? kasan_check_read+0x11/0x20
[  217.811233]  ? do_raw_spin_unlock+0xa7/0x2f0
[  217.815638]  ? trace_hardirqs_on+0x310/0x310
[  217.820044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.825593]  ? wq_watchdog_touch+0x9c/0xfe
[  217.829827]  ? io_serial_in+0x11/0x90
[  217.833624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.839163]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  217.844275]  __alloc_pages_nodemask+0xa80/0xde0
[  217.848942]  ? should_fail+0x22d/0xd01
[  217.852832]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  217.857861]  ? ____cache_alloc_node+0x1c7/0x1e0
[  217.862526]  ? lock_downgrade+0x900/0x900
[  217.866673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.872225]  cache_grow_begin+0x91/0x8c0
[  217.876282]  ? do_raw_spin_unlock+0xa7/0x2f0
[  217.880693]  fallback_alloc+0x203/0x2e0
[  217.884668]  ____cache_alloc_node+0x1c7/0x1e0
[  217.889165]  kmem_cache_alloc_node+0xe3/0x730
[  217.893743]  ? ipv6_get_ifaddr+0x42e/0x620
[  217.897984]  __alloc_skb+0x119/0x770
[  217.901712]  ? skb_scrub_packet+0x490/0x490
[  217.906123]  ? lock_downgrade+0x900/0x900
[  217.910272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.915804]  ? refcount_sub_and_test_checked+0x203/0x310
[  217.921257]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  217.926701]  ? addrconf_rs_timer+0x690/0x690
[  217.931110]  ndisc_alloc_skb+0x144/0x340
[  217.935167]  ndisc_send_rs+0x331/0x6e0
[  217.939068]  addrconf_rs_timer+0x314/0x690
[  217.943303]  ? lock_release+0x970/0x970
[  217.947274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.951515]  call_timer_fn+0x272/0x920
[  217.955402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.959649]  ? process_timeout+0x40/0x40
[  217.963730]  ? kasan_check_read+0x11/0x20
[  217.967901]  ? do_raw_spin_unlock+0xa7/0x2f0
[  217.972306]  ? trace_hardirqs_on+0x310/0x310
[  217.976712]  ? __run_timers+0x7da/0xc70
[  217.980684]  ? lock_downgrade+0x900/0x900
[  217.984829]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  217.989932]  ? trace_hardirqs_on+0xbd/0x310
[  217.994251]  ? kasan_check_read+0x11/0x20
[  217.998402]  ? __run_timers+0x7da/0xc70
[  218.002373]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  218.007823]  ? kasan_check_write+0x14/0x20
[  218.012069]  ? do_raw_spin_lock+0xc1/0x200
[  218.016308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.020540]  __run_timers+0x7e5/0xc70
[  218.024351]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  218.029711]  ? lock_downgrade+0x900/0x900
[  218.033855]  ? finish_task_switch+0x1b5/0x900
[  218.038356]  ? trace_hardirqs_on+0xbd/0x310
[  218.042673]  ? kasan_check_read+0x11/0x20
[  218.046818]  ? finish_task_switch+0x1f5/0x900
[  218.051309]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  218.056757]  ? compat_start_thread+0x80/0x80
[  218.061175]  ? pvclock_read_flags+0x160/0x160
[  218.065668]  ? __switch_to_asm+0x34/0x70
[  218.069726]  ? __switch_to_asm+0x34/0x70
[  218.073791]  ? __switch_to_asm+0x40/0x70
[  218.077861]  ? __switch_to_asm+0x40/0x70
[  218.081943]  ? __switch_to_asm+0x34/0x70
[  218.086007]  ? __switch_to_asm+0x40/0x70
[  218.090090]  ? trace_hardirqs_on+0xbd/0x310
[  218.094432]  ? kvm_sched_clock_read+0x9/0x20
[  218.098855]  ? run_ksoftirqd+0x94/0x100
[  218.103211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.108756]  ? check_preemption_disabled+0x48/0x200
[  218.113776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.119331]  run_timer_softirq+0x52/0xb0
[  218.123397]  ? __this_cpu_preempt_check+0x1c/0x1f
[  218.128238]  __do_softirq+0x30b/0xad8
[  218.132059]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  218.137186]  ? trace_hardirqs_off+0x310/0x310
[  218.141710]  ? retint_kernel+0x1b/0x2d
[  218.145607]  ? schedule+0x108/0x460
[  218.149258]  ? trace_hardirqs_off+0xb8/0x310
[  218.153675]  ? smpboot_thread_fn+0x68b/0xa00
[  218.158093]  ? trace_hardirqs_on+0x310/0x310
[  218.162515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.168065]  ? check_preemption_disabled+0x48/0x200
[  218.173099]  ? takeover_tasklets+0xa90/0xa90
[  218.177524]  run_ksoftirqd+0x94/0x100
[  218.181344]  smpboot_thread_fn+0x68b/0xa00
[  218.185580]  ? sort_range+0x30/0x30
[  218.189215]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  218.194342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.199880]  ? __kthread_parkme+0xfb/0x1a0
[  218.204117]  kthread+0x35a/0x420
[  218.207491]  ? sort_range+0x30/0x30
[  218.211113]  ? kthread_bind+0x40/0x40
[  218.214931]  ret_from_fork+0x3a/0x50
[  218.218676] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  218.218684] warn_alloc_show_mem: 1 callbacks suppressed
[  218.218693] Mem-Info:
[  218.225966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  218.231336] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  218.231336]  active_file:17 inactive_file:15 isolated_file:0
[  218.231336]  unevictable:0 dirty:0 writeback:0 unstable:0
[  218.231336]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  218.231336]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  218.231336]  free:13630 free_pcp:175 free_cma:0
[  218.234225] Call Trace:
[  218.243648] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  218.276650]  <IRQ>
[  218.279222] Node 0 
[  218.307471]  dump_stack+0x1c4/0x2b4
[  218.309629] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  218.311829]  ? dump_stack_print_info.cold.2+0x52/0x52
[  218.315427] lowmem_reserve[]:
[  218.340935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.346094]  0
[  218.349191]  warn_alloc.cold.119+0xb7/0x1bd
[  218.354693]  2819 6323
[  218.356505]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  218.360796]  6323
[  218.363287]  ? lock_downgrade+0x900/0x900
[  218.370166]  ? trace_hardirqs_off+0xb8/0x310
[  218.374293] Node 0 DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  218.378720]  ? trace_hardirqs_off+0xb8/0x310
[  218.378740]  __alloc_pages_slowpath+0x2667/0x2d80
[  218.406300] lowmem_reserve[]:
[  218.410721]  ? warn_alloc+0x120/0x120
[  218.415524]  0
[  218.418624]  ? warn_alloc+0x120/0x120
[  218.422404]  0
[  218.424202]  ? warn_alloc+0x120/0x120
[  218.427985]  3503
[  218.429785]  ? mark_held_locks+0x130/0x130
[  218.433555]  3503
[  218.435614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.441885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.447392] Node 0 
[  218.452917]  ? should_fail+0x22d/0xd01
[  218.452935]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.455183] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  218.459034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.464109] lowmem_reserve[]:
[  218.492578]  ? should_fail+0x22d/0xd01
[  218.498084]  0
[  218.501187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.505096]  0
[  218.506885]  ? should_fail+0x22d/0xd01
[  218.511964]  0
[  218.513757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.517616]  0
[  218.519412]  ? mark_held_locks+0x130/0x130
[  218.526289]  ? mark_held_locks+0x130/0x130
[  218.530495] Node 0 
[  218.534718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.534735]  ? trace_hardirqs_off+0xb8/0x310
[  218.536945] DMA: 
[  218.542474]  ? kasan_check_read+0x11/0x20
[  218.546858] 1*4kB 
[  218.548913]  ? do_raw_spin_unlock+0xa7/0x2f0
[  218.553035] (U) 
[  218.555188]  ? trace_hardirqs_on+0x310/0x310
[  218.559570] 0*8kB 
[  218.561535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.561551]  ? wq_watchdog_touch+0x9c/0xfe
[  218.565945] 0*16kB 
[  218.568097]  ? io_serial_in+0x11/0x90
[  218.573610] 1*32kB 
[  218.577844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.580056] (U) 
[  218.583854]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  218.586077] 2*64kB 
[  218.591612]  __alloc_pages_nodemask+0xa80/0xde0
[  218.593569] (U) 
[  218.598665]  ? should_fail+0x22d/0xd01
[  218.600871] 1*128kB 
[  218.605533]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  218.607481] (U) 
[  218.611369]  ? ____cache_alloc_node+0x1c7/0x1e0
[  218.613655] 1*256kB 
[  218.618660]  ? lock_downgrade+0x900/0x900
[  218.620606] (U) 
[  218.625265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.627569] 0*512kB 1*1024kB 
[  218.631718]  cache_grow_begin+0x91/0x8c0
[  218.633669] (U) 
[  218.639196]  ? do_raw_spin_unlock+0xa7/0x2f0
[  218.642271] 1*2048kB 
[  218.646323]  fallback_alloc+0x203/0x2e0
[  218.648280] (M) 
[  218.653184]  ____cache_alloc_node+0x1c7/0x1e0
[  218.655588] 3*4096kB 
[  218.659554]  kmem_cache_alloc_node+0xe3/0x730
[  218.661523] (M) 
[  218.666009]  ? ipv6_get_ifaddr+0x42e/0x620
[  218.668396] = 15908kB
[  218.672899]  __alloc_skb+0x119/0x770
[  218.674865] Node 0 
[  218.679089]  ? skb_scrub_packet+0x490/0x490
[  218.681480] DMA32: 
[  218.685180]  ? lock_downgrade+0x900/0x900
[  218.685199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.687418] 3*4kB 
[  218.691740]  ? refcount_sub_and_test_checked+0x203/0x310
[  218.693952] (ME) 
[  218.698103]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  218.703629] 2*8kB 
[  218.705771]  ? addrconf_rs_timer+0x690/0x690
[  218.711192] (ME) 
[  218.713257]  ndisc_alloc_skb+0x144/0x340
[  218.718677] 4*16kB 
[  218.720820]  ndisc_send_rs+0x331/0x6e0
[  218.725204] (UME) 
[  218.727257]  addrconf_rs_timer+0x314/0x690
[  218.731298] 3*32kB 
[  218.733526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.737383] (ME) 
[  218.739540]  call_timer_fn+0x272/0x920
[  218.743750] 5*64kB 
[  218.745971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.745987]  ? process_timeout+0x40/0x40
[  218.750203] (ME) 
[  218.752259]  ? trace_hardirqs_off+0xb8/0x310
[  218.756130] 5*128kB (UME) 
[  218.758366]  ? kasan_check_read+0x11/0x20
[  218.758384]  ? do_raw_spin_unlock+0xa7/0x2f0
[  218.762596] 5*256kB 
[  218.766644]  ? trace_hardirqs_on+0x310/0x310
[  218.768694] (UME) 
[  218.773100]  ? __run_timers+0x7da/0xc70
[  218.775914] 4*512kB 
[  218.780063]  ? lock_downgrade+0x900/0x900
[  218.784453] (ME) 
[  218.786770]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  218.791149] 4*1024kB 
[  218.793307]  ? trace_hardirqs_on+0xbd/0x310
[  218.797266] (UME) 
[  218.799583]  ? kasan_check_read+0x11/0x20
[  218.799601]  ? __run_timers+0x7da/0xc70
[  218.803729] 2*2048kB 
[  218.805788]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  218.810864] (ME) 
[  218.813263]  ? kasan_check_write+0x14/0x20
[  218.817555] 3*4096kB 
[  218.819702]  ? do_raw_spin_lock+0xc1/0x200
[  218.823818] (M) 
[  218.827784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.830183] = 24956kB
[  218.835621]  __run_timers+0x7e5/0xc70
[  218.837655] Node 0 
[  218.841887]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  218.844266] Normal: 
[  218.848493]  ? lock_acquire+0x1ed/0x520
[  218.850442] 1016*4kB 
[  218.854666]  ? __hrtimer_run_queues+0x488/0x10d0
[  218.857049] (UME) 
[  218.860850]  ? lock_release+0x970/0x970
[  218.863069] 447*8kB 
[  218.868420]  ? trace_hardirqs_off+0xb8/0x310
[  218.870717] (ME) 
[  218.874683]  ? do_raw_spin_unlock+0xa7/0x2f0
[  218.877078] 188*16kB 
[  218.881820]  ? kasan_check_write+0x14/0x20
[  218.883941] (UME) 
[  218.887907]  ? pvclock_read_flags+0x160/0x160
[  218.890202] 54*32kB 
[  218.894600]  ? lock_downgrade+0x900/0x900
[  218.896638] (UME) 
[  218.901037]  ? trace_hardirqs_on+0xbd/0x310
[  218.903422] 20*64kB 
[  218.907650]  ? kvm_sched_clock_read+0x9/0x20
[  218.909772] (UM) 
[  218.914256]  ? irq_exit+0x17f/0x1c0
[  218.916561] 0*128kB 
[  218.920715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.922839] 0*256kB 
[  218.927148]  ? check_preemption_disabled+0x48/0x200
[  218.929448] 0*512kB 
[  218.933848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.935886] 0*1024kB 
[  218.939510]  run_timer_softirq+0x52/0xb0
[  218.941811] 0*2048kB 
[  218.947335]  ? __this_cpu_preempt_check+0x1c/0x1f
[  218.949633] 0*4096kB 
[  218.954634]  __do_softirq+0x30b/0xad8
[  218.954655]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  218.956957] = 13656kB
[  218.962483]  ? pvclock_read_flags+0x160/0x160
[  218.964880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  218.968935]  ? lapic_next_event+0x5a/0x90
[  218.971330] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  218.976154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.978537] 4246 total pagecache pages
[  218.982329]  ? clockevents_program_event+0x140/0x370
[  218.987415] 0 pages in swap cache
[  218.989823]  ? kvm_clock_read+0x18/0x30
[  218.994295] Swap cache stats: add 0, delete 0, find 0/0
[  219.003125]  ? kvm_sched_clock_read+0x9/0x20
[  219.007248] Free swap  = 0kB
[  219.016021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.021530] Total swap = 0kB
[  219.025408]  ? check_preemption_disabled+0x48/0x200
[  219.030489] 1965979 pages RAM
[  219.033938]  irq_exit+0x17f/0x1c0
[  219.037888] 0 pages HighMem/MovableOnly
[  219.043239]  smp_apic_timer_interrupt+0x1cb/0x760
[  219.047626] 342307 pages reserved
[  219.050634]  ? smp_reschedule_interrupt+0x109/0x650
[  219.050651]  ? smp_call_function_single_interrupt+0x650/0x650
[  219.056176] 0 pages cma reserved
[  219.059180]  ? interrupt_entry+0xb5/0xf0
[  219.064249] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  219.067270]  ? trace_hardirqs_off_caller+0xbb/0x310
[  219.070741] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  219.074659]  ? trace_hardirqs_off_caller+0xbb/0x310
[  219.074677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.079509] ksoftirqd/0 cpuset=
[  219.082956]  ? trace_hardirqs_on_caller+0x310/0x310
[  219.087958] /
[  219.093826]  ? trace_hardirqs_on_caller+0x310/0x310
[  219.093841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.093854]  ? check_preemption_disabled+0x48/0x200
[  219.093875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.097225]  mems_allowed=0
[  219.101282]  apic_timer_interrupt+0xf/0x20
[  219.170360]  </IRQ>
[  219.172609] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  219.177537] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  219.196438] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  219.204148] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  219.211414] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  219.218677] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  219.225958] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  219.233220] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  219.240504]  ? trace_hardirqs_on+0xb4/0x310
[  219.244834]  skb_clone+0x1bb/0x500
[  219.248371]  ? skb_split+0x11e0/0x11e0
[  219.252261]  ? preempt_notifier_register+0x200/0x200
[  219.257365]  ? __switch_to_asm+0x34/0x70
[  219.261421]  ? __switch_to_asm+0x34/0x70
[  219.265475]  ? __switch_to_asm+0x40/0x70
[  219.269536]  ? __switch_to_asm+0x34/0x70
[  219.273596]  ? __switch_to_asm+0x40/0x70
[  219.277653]  ? __switch_to_asm+0x40/0x70
[  219.281709]  ? __switch_to_asm+0x34/0x70
[  219.285778]  ? __switch_to_asm+0x34/0x70
[  219.289865]  ? __switch_to_asm+0x40/0x70
[  219.293920]  ? __switch_to_asm+0x34/0x70
[  219.297981]  bpf_clone_redirect+0xb9/0x490
[  219.302220]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  219.307232]  ? __sched_text_start+0x8/0x8
[  219.311381]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  219.316136]  ? retint_kernel+0x2d/0x2d
[  219.320020]  ? trace_hardirqs_on_caller+0xc0/0x310
[  219.324957]  ? rcu_gp_kthread+0x2310/0x2310
[  219.329276]  ? trace_hardirqs_off+0x310/0x310
[  219.333775]  ? lock_acquire+0x1ed/0x520
[  219.337748]  ? bpf_test_run+0x3cb/0x780
[  219.341717]  ? lock_downgrade+0x900/0x900
[  219.345862]  ? lock_release+0x970/0x970
[  219.349836]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  219.355633]  ? preempt_schedule_common+0x1f/0xd0
[  219.360649]  ? preempt_schedule+0x4d/0x60
[  219.364793]  ? ___preempt_schedule+0x16/0x18
[  219.369202]  ? bpf_test_run+0x25d/0x780
[  219.373182]  ? netlink_diag_dump+0x2a0/0x2a0
[  219.377591]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.383126]  ? bpf_test_init.isra.9+0x70/0x100
[  219.387712]  ? bpf_prog_test_run_skb+0x634/0xb40
[  219.392467]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  219.397307]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  219.402853]  ? fput+0x130/0x1a0
[  219.406142]  ? __bpf_prog_get+0x9b/0x290
[  219.410203]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  219.415043]  ? bpf_prog_test_run+0x130/0x1a0
[  219.419461]  ? __x64_sys_bpf+0x3d8/0x510
[  219.423519]  ? bpf_prog_get+0x20/0x20
[  219.427331]  ? do_syscall_64+0x1b9/0x820
[  219.431389]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  219.436750]  ? syscall_return_slowpath+0x5e0/0x5e0
[  219.441676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.446515]  ? trace_hardirqs_on_caller+0x310/0x310
[  219.451527]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  219.456540]  ? prepare_exit_to_usermode+0x291/0x3b0
[  219.461570]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.466415]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  219.471787] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  219.471842] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  219.478623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  219.478627] Call Trace:
[  219.478646]  dump_stack+0x1c4/0x2b4
[  219.478662]  ? dump_stack_print_info.cold.2+0x52/0x52
[  219.485198] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  219.494479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.497034] syz-executor4 cpuset=
[  219.500666]  warn_alloc.cold.119+0xb7/0x1bd
[  219.505821] syz4
[  219.516298]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  219.521822]  mems_allowed=0
[  219.525264]  ? lock_downgrade+0x900/0x900
[  219.543393]  ? trace_hardirqs_off+0xb8/0x310
[  219.547803]  ? trace_hardirqs_off+0xb8/0x310
[  219.552216]  __alloc_pages_slowpath+0x2667/0x2d80
[  219.557083]  ? mark_held_locks+0x130/0x130
[  219.561320]  ? warn_alloc+0x120/0x120
[  219.565135]  ? warn_alloc+0x120/0x120
[  219.568932]  ? warn_alloc+0x120/0x120
[  219.572729]  ? mark_held_locks+0x130/0x130
[  219.576966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.582498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.588033]  ? should_fail+0x22d/0xd01
[  219.591932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.597034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.602593]  ? should_fail+0x22d/0xd01
[  219.606484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.611582]  ? should_fail+0x22d/0xd01
[  219.615468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.620571]  ? mark_held_locks+0x130/0x130
[  219.624805]  ? mark_held_locks+0x130/0x130
[  219.629039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.634588]  ? trace_hardirqs_off+0xb8/0x310
[  219.638996]  ? kasan_check_read+0x11/0x20
[  219.643138]  ? do_raw_spin_unlock+0xa7/0x2f0
[  219.647542]  ? trace_hardirqs_on+0x310/0x310
[  219.651944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.657493]  ? wq_watchdog_touch+0x9c/0xfe
[  219.661738]  ? io_serial_in+0x11/0x90
[  219.665536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.671097]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  219.676208]  __alloc_pages_nodemask+0xa80/0xde0
[  219.680878]  ? should_fail+0x22d/0xd01
[  219.684767]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  219.689794]  ? ____cache_alloc_node+0x1c7/0x1e0
[  219.694462]  ? lock_downgrade+0x900/0x900
[  219.698610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.704148]  cache_grow_begin+0x91/0x8c0
[  219.708209]  ? do_raw_spin_unlock+0xa7/0x2f0
[  219.712620]  fallback_alloc+0x203/0x2e0
[  219.716595]  ____cache_alloc_node+0x1c7/0x1e0
[  219.721095]  kmem_cache_alloc_node+0xe3/0x730
[  219.725586]  ? ipv6_get_ifaddr+0x42e/0x620
[  219.729824]  __alloc_skb+0x119/0x770
[  219.733556]  ? skb_scrub_packet+0x490/0x490
[  219.737890]  ? lock_downgrade+0x900/0x900
[  219.742037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.747582]  ? refcount_sub_and_test_checked+0x203/0x310
[  219.753036]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  219.758497]  ? addrconf_rs_timer+0x690/0x690
[  219.762912]  ndisc_alloc_skb+0x144/0x340
[  219.766970]  ndisc_send_rs+0x331/0x6e0
[  219.770855]  addrconf_rs_timer+0x314/0x690
[  219.775087]  ? lock_release+0x970/0x970
[  219.779075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  219.783321]  call_timer_fn+0x272/0x920
[  219.787202]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  219.791438]  ? process_timeout+0x40/0x40
[  219.795491]  ? kasan_check_read+0x11/0x20
[  219.799641]  ? do_raw_spin_unlock+0xa7/0x2f0
[  219.804046]  ? trace_hardirqs_on+0x310/0x310
[  219.808470]  ? __run_timers+0x7da/0xc70
[  219.812440]  ? lock_downgrade+0x900/0x900
[  219.816590]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  219.821688]  ? trace_hardirqs_on+0xbd/0x310
[  219.826003]  ? kasan_check_read+0x11/0x20
[  219.830197]  ? __run_timers+0x7da/0xc70
[  219.834168]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  219.839618]  ? kasan_check_write+0x14/0x20
[  219.843855]  ? do_raw_spin_lock+0xc1/0x200
[  219.848126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  219.852386]  __run_timers+0x7e5/0xc70
[  219.856191]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  219.861583]  ? lock_downgrade+0x900/0x900
[  219.865732]  ? finish_task_switch+0x1b5/0x900
[  219.870224]  ? trace_hardirqs_on+0xbd/0x310
[  219.874544]  ? kasan_check_read+0x11/0x20
[  219.878691]  ? finish_task_switch+0x1f5/0x900
[  219.883183]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  219.888632]  ? compat_start_thread+0x80/0x80
[  219.893050]  ? pvclock_read_flags+0x160/0x160
[  219.897559]  ? __switch_to_asm+0x34/0x70
[  219.901615]  ? __switch_to_asm+0x34/0x70
[  219.905674]  ? __switch_to_asm+0x40/0x70
[  219.909733]  ? __switch_to_asm+0x40/0x70
[  219.913794]  ? __switch_to_asm+0x34/0x70
[  219.917851]  ? __switch_to_asm+0x40/0x70
[  219.921912]  ? trace_hardirqs_on+0xbd/0x310
[  219.926232]  ? kvm_sched_clock_read+0x9/0x20
[  219.930641]  ? run_ksoftirqd+0x94/0x100
[  219.934615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.940145]  ? check_preemption_disabled+0x48/0x200
[  219.945161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.950701]  run_timer_softirq+0x52/0xb0
[  219.954755]  ? __this_cpu_preempt_check+0x1c/0x1f
[  219.959597]  __do_softirq+0x30b/0xad8
[  219.963399]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  219.968498]  ? trace_hardirqs_off+0x310/0x310
[  219.973106]  ? retint_kernel+0x1b/0x2d
[  219.976991]  ? schedule+0x108/0x460
[  219.980619]  ? trace_hardirqs_off+0xb8/0x310
[  219.985025]  ? smpboot_thread_fn+0x68b/0xa00
[  219.989444]  ? trace_hardirqs_on+0x310/0x310
[  219.993856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.999389]  ? check_preemption_disabled+0x48/0x200
[  220.004405]  ? takeover_tasklets+0xa90/0xa90
[  220.008843]  run_ksoftirqd+0x94/0x100
[  220.012641]  smpboot_thread_fn+0x68b/0xa00
[  220.016873]  ? sort_range+0x30/0x30
[  220.020499]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  220.025600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.031135]  ? __kthread_parkme+0xfb/0x1a0
[  220.035368]  kthread+0x35a/0x420
[  220.038732]  ? sort_range+0x30/0x30
[  220.042358]  ? kthread_bind+0x40/0x40
[  220.046160]  ret_from_fork+0x3a/0x50
[  220.049877] warn_alloc_show_mem: 1 callbacks suppressed
[  220.049889] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  220.049891] Mem-Info:
[  220.049933] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  220.049933]  active_file:17 inactive_file:15 isolated_file:0
[  220.049933]  unevictable:0 dirty:0 writeback:0 unstable:0
[  220.049933]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  220.049933]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  220.049933]  free:13630 free_pcp:175 free_cma:0
[  220.055263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  220.062538] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  220.064932] Call Trace:
[  220.097967] Node 0 
[  220.107642]  <IRQ>
[  220.135406] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  220.137960]  dump_stack+0x1c4/0x2b4
[  220.140168] lowmem_reserve[]:
[  220.142315]  ? dump_stack_print_info.cold.2+0x52/0x52
[  220.167786]  0
[  220.171409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.174481]  2819
[  220.179663]  warn_alloc.cold.119+0xb7/0x1bd
[  220.181437]  6323
[  220.186966]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  220.189003]  6323
[  220.193316]  ? lock_downgrade+0x900/0x900
[  220.200189]  ? trace_hardirqs_off+0xb8/0x310
[  220.202223] Node 0 
[  220.206364]  ? trace_hardirqs_off+0xb8/0x310
[  220.210772] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  220.212979]  __alloc_pages_slowpath+0x2667/0x2d80
[  220.217349] lowmem_reserve[]: 0
[  220.244849]  ? warn_alloc+0x120/0x120
[  220.249670]  0
[  220.252942]  ? trace_hardirqs_on+0x310/0x310
[  220.256713]  3503
[  220.258506]  ? warn_alloc+0x120/0x120
[  220.262883]  3503
[  220.264938]  ? warn_alloc+0x120/0x120
[  220.270796]  ? ktime_get+0x2e1/0x440
[  220.274574] Node 0 
[  220.278277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.278308] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  220.278315] lowmem_reserve[]:
[  220.280547]  ? check_preemption_disabled+0x48/0x200
[  220.286069]  0
[  220.314520]  ? kasan_check_read+0x11/0x20
[  220.317599]  0
[  220.322611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.324381]  0
[  220.328520]  ? should_fail+0x22d/0xd01
[  220.330294]  0
[  220.335825]  ? rcu_bh_qs+0xc0/0xc0
[  220.341524]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.343302] Node 0 
[  220.346831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.351935] DMA: 
[  220.354167]  ? should_fail+0x22d/0xd01
[  220.359678] 1*4kB 
[  220.361736]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.365597] (U) 
[  220.367739]  ? should_fail+0x22d/0xd01
[  220.372811] 0*8kB 
[  220.374792]  ? rcu_idle_enter+0x4b0/0x4b0
[  220.378647] 0*16kB 
[  220.380786]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.384904] 1*32kB 
[  220.387133]  ? mark_held_locks+0x130/0x130
[  220.392208] (U) 
[  220.394436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.398638] 2*64kB 
[  220.400609]  ? mark_held_locks+0x130/0x130
[  220.406117] (U) 
[  220.408436]  ? rcu_irq_exit+0xce/0x100
[  220.412640] 1*128kB 
[  220.414611]  ? irq_exit+0xbd/0x1c0
[  220.418471] (U) 
[  220.420789]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  220.424303] 1*256kB 
[  220.426269]  ? do_raw_spin_unlock+0xa7/0x2f0
[  220.431251] (U) 
[  220.433570]  ? smp_call_function_single_interrupt+0x650/0x650
[  220.437948] 0*512kB 
[  220.439918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.445770] 1*1024kB 
[  220.448095]  ? ret_from_intr+0xb/0x1e
[  220.453602] (U) 
[  220.456006]  ? retint_kernel+0x2d/0x2d
[  220.459777] 1*2048kB 
[  220.461746]  ? trace_hardirqs_on_caller+0xc0/0x310
[  220.465614] (M) 
[  220.468034]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  220.472931] 3*4096kB 
[  220.474900]  ? trace_hardirqs_off+0x310/0x310
[  220.479626] (M) 
[  220.482045]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  220.486514] = 15908kB
[  220.488484]  __alloc_pages_nodemask+0xa80/0xde0
[  220.493559] Node 0 
[  220.495970]  ? should_fail+0x22d/0xd01
[  220.500609] DMA32: 
[  220.502840]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  220.506694] 3*4kB 
[  220.508931]  ? ____cache_alloc_node+0x1c7/0x1e0
[  220.513907] (ME) 
[  220.516063]  ? lock_downgrade+0x900/0x900
[  220.520705] 2*8kB 
[  220.522763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.526878] (ME) 
[  220.529021]  cache_grow_begin+0x91/0x8c0
[  220.534531] 4*16kB 
[  220.536594]  ? do_raw_spin_unlock+0xa7/0x2f0
[  220.540624] (UME) 
[  220.542856]  fallback_alloc+0x203/0x2e0
[  220.547232] 3*32kB 
[  220.549376]  ____cache_alloc_node+0x1c7/0x1e0
[  220.553322] (ME) 
[  220.555554]  kmem_cache_alloc_node+0xe3/0x730
[  220.560022] 5*64kB 
[  220.562079]  ? ipv6_get_ifaddr+0x42e/0x620
[  220.562098]  __alloc_skb+0x119/0x770
[  220.566581] (ME) 
[  220.568809]  ? skb_scrub_packet+0x490/0x490
[  220.573018] 5*128kB 
[  220.576723]  ? lock_downgrade+0x900/0x900
[  220.578756] (UME) 
[  220.583085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.585386] 5*256kB 
[  220.589527]  ? refcount_sub_and_test_checked+0x203/0x310
[  220.591645] (UME) 
[  220.597178]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  220.599475] 4*512kB 
[  220.604915]  ? addrconf_rs_timer+0x690/0x690
[  220.607038] (ME) 
[  220.612487]  ndisc_alloc_skb+0x144/0x340
[  220.614780] 4*1024kB 
[  220.619176]  ndisc_send_rs+0x331/0x6e0
[  220.621216] (UME) 
[  220.625265]  addrconf_rs_timer+0x314/0x690
[  220.627646] 2*2048kB 
[  220.631549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.633669] (ME) 
[  220.637899]  call_timer_fn+0x272/0x920
[  220.640287] 3*4096kB 
[  220.644510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.646560] (M) 
[  220.650446]  ? process_timeout+0x40/0x40
[  220.652824] = 24956kB
[  220.657062]  ? trace_hardirqs_off+0xb8/0x310
[  220.659015] Node 0 
[  220.663072]  ? kasan_check_read+0x11/0x20
[  220.665459] Normal: 
[  220.669859]  ? do_raw_spin_unlock+0xa7/0x2f0
[  220.672078] 1016*4kB 
[  220.676222]  ? trace_hardirqs_on+0x310/0x310
[  220.678516] (UME) 
[  220.682918]  ? __run_timers+0x7da/0xc70
[  220.685301] 447*8kB 
[  220.689702]  ? lock_downgrade+0x900/0x900
[  220.691828] (ME) 
[  220.695793]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  220.698092] 188*16kB 
[  220.702228]  ? trace_hardirqs_on+0xbd/0x310
[  220.704306] (UME) 
[  220.709402]  ? kasan_check_read+0x11/0x20
[  220.711785] 54*32kB 
[  220.716104]  ? __run_timers+0x7da/0xc70
[  220.718225] (UME) 
[  220.722368]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  220.724665] 20*64kB 
[  220.728645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.730777] (UM) 
[  220.736215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.738510] 0*128kB 
[  220.744046]  __run_timers+0x7e5/0xc70
[  220.746092] 0*256kB 
[  220.750325]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  220.752619] 0*512kB 
[  220.756408]  ? lock_acquire+0x1ed/0x520
[  220.758708] 0*1024kB 
[  220.764067]  ? __hrtimer_run_queues+0x488/0x10d0
[  220.766374] 0*2048kB 
[  220.770337]  ? lock_release+0x970/0x970
[  220.772721] 0*4096kB 
[  220.777464]  ? trace_hardirqs_off+0xb8/0x310
[  220.779845] = 13656kB
[  220.783809]  ? do_raw_spin_unlock+0xa7/0x2f0
[  220.786198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  220.790593]  ? kasan_check_write+0x14/0x20
[  220.792980] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  220.797371]  ? pvclock_read_flags+0x160/0x160
[  220.806176] 4246 total pagecache pages
[  220.810399]  ? lock_downgrade+0x900/0x900
[  220.818960] 0 pages in swap cache
[  220.823448]  ? trace_hardirqs_on+0xbd/0x310
[  220.827313] Swap cache stats: add 0, delete 0, find 0/0
[  220.831452]  ? kvm_sched_clock_read+0x9/0x20
[  220.834874] Free swap  = 0kB
[  220.839185]  ? irq_exit+0x17f/0x1c0
[  220.844521] Total swap = 0kB
[  220.848923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.851914] 1965979 pages RAM
[  220.855533]  ? check_preemption_disabled+0x48/0x200
[  220.858521] 0 pages HighMem/MovableOnly
[  220.864048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.867143] 342307 pages reserved
[  220.872156]  run_timer_softirq+0x52/0xb0
[  220.876101] 0 pages cma reserved
[  220.881627]  ? __this_cpu_preempt_check+0x1c/0x1f
[  220.885116] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  220.889108]  __do_softirq+0x30b/0xad8
[  220.892499] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  220.897279]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  220.903746] ksoftirqd/0 cpuset=
[  220.907535]  ? pvclock_read_flags+0x160/0x160
[  220.917817] /
[  220.922912]  ? lapic_next_event+0x5a/0x90
[  220.926167]  mems_allowed=0
[  220.930652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.944913]  ? clockevents_program_event+0x140/0x370
[  220.950014]  ? kvm_clock_read+0x18/0x30
[  220.953988]  ? kvm_sched_clock_read+0x9/0x20
[  220.958394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.963926]  ? check_preemption_disabled+0x48/0x200
[  220.968946]  irq_exit+0x17f/0x1c0
[  220.972397]  smp_apic_timer_interrupt+0x1cb/0x760
[  220.977234]  ? smp_reschedule_interrupt+0x109/0x650
[  220.982247]  ? smp_call_function_single_interrupt+0x650/0x650
[  220.988129]  ? interrupt_entry+0xb5/0xf0
[  220.992192]  ? trace_hardirqs_off_caller+0xbb/0x310
[  220.997204]  ? trace_hardirqs_off_caller+0xbb/0x310
[  221.002222]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.007070]  ? trace_hardirqs_on_caller+0x310/0x310
[  221.012085]  ? trace_hardirqs_on_caller+0x310/0x310
[  221.017100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.022633]  ? check_preemption_disabled+0x48/0x200
[  221.027652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.032501]  apic_timer_interrupt+0xf/0x20
[  221.036726]  </IRQ>
[  221.038966] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  221.043898] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  221.062794] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  221.070497] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  221.077760] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  221.085022] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  221.092293] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  221.099574] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  221.106856]  ? trace_hardirqs_on+0xb4/0x310
[  221.111187]  skb_clone+0x1bb/0x500
[  221.114731]  ? skb_split+0x11e0/0x11e0
[  221.118621]  ? preempt_notifier_register+0x200/0x200
[  221.123719]  ? __switch_to_asm+0x34/0x70
[  221.127775]  ? __switch_to_asm+0x34/0x70
[  221.131832]  ? __switch_to_asm+0x40/0x70
[  221.135888]  ? __switch_to_asm+0x34/0x70
[  221.139947]  ? __switch_to_asm+0x40/0x70
[  221.144003]  ? __switch_to_asm+0x40/0x70
[  221.148071]  ? __switch_to_asm+0x34/0x70
[  221.152134]  ? __switch_to_asm+0x34/0x70
[  221.156195]  ? __switch_to_asm+0x40/0x70
[  221.160253]  ? __switch_to_asm+0x34/0x70
[  221.164315]  bpf_clone_redirect+0xb9/0x490
[  221.168553]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  221.173580]  ? __sched_text_start+0x8/0x8
[  221.177724]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  221.182478]  ? retint_kernel+0x2d/0x2d
[  221.186365]  ? trace_hardirqs_on_caller+0xc0/0x310
[  221.191296]  ? rcu_gp_kthread+0x2310/0x2310
[  221.195619]  ? trace_hardirqs_off+0x310/0x310
[  221.200115]  ? lock_acquire+0x1ed/0x520
[  221.204085]  ? bpf_test_run+0x3cb/0x780
[  221.208063]  ? lock_downgrade+0x900/0x900
[  221.212210]  ? lock_release+0x970/0x970
[  221.216181]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  221.221977]  ? preempt_schedule_common+0x1f/0xd0
[  221.226731]  ? preempt_schedule+0x4d/0x60
[  221.230878]  ? ___preempt_schedule+0x16/0x18
[  221.235285]  ? bpf_test_run+0x25d/0x780
[  221.239260]  ? netlink_diag_dump+0x2a0/0x2a0
[  221.243671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.249206]  ? bpf_test_init.isra.9+0x70/0x100
[  221.253804]  ? bpf_prog_test_run_skb+0x634/0xb40
[  221.258561]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  221.263404]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  221.268934]  ? fput+0x130/0x1a0
[  221.272209]  ? __bpf_prog_get+0x9b/0x290
[  221.276268]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  221.281109]  ? bpf_prog_test_run+0x130/0x1a0
[  221.285517]  ? __x64_sys_bpf+0x3d8/0x510
[  221.289581]  ? bpf_prog_get+0x20/0x20
[  221.293390]  ? do_syscall_64+0x1b9/0x820
[  221.297466]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  221.302827]  ? syscall_return_slowpath+0x5e0/0x5e0
[  221.307752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.312600]  ? trace_hardirqs_on_caller+0x310/0x310
[  221.317617]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  221.322644]  ? prepare_exit_to_usermode+0x291/0x3b0
[  221.327661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.332507]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  221.337882] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  221.337935] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  221.344712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  221.344717] Call Trace:
[  221.344735]  dump_stack+0x1c4/0x2b4
[  221.344752]  ? dump_stack_print_info.cold.2+0x52/0x52
[  221.351263] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  221.360573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.363136] syz-executor4 cpuset=
[  221.366753]  warn_alloc.cold.119+0xb7/0x1bd
[  221.371911] syz4
[  221.382387]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  221.387897]  mems_allowed=0
[  221.391337]  ? lock_downgrade+0x900/0x900
[  221.409458]  ? trace_hardirqs_off+0xb8/0x310
[  221.413870]  ? trace_hardirqs_off+0xb8/0x310
[  221.418285]  __alloc_pages_slowpath+0x2667/0x2d80
[  221.423136]  ? mark_held_locks+0x130/0x130
[  221.427375]  ? warn_alloc+0x120/0x120
[  221.431174]  ? warn_alloc+0x120/0x120
[  221.434972]  ? warn_alloc+0x120/0x120
[  221.438771]  ? mark_held_locks+0x130/0x130
[  221.443011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.448548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.454095]  ? should_fail+0x22d/0xd01
[  221.457986]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.463093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.468638]  ? should_fail+0x22d/0xd01
[  221.472540]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.477639]  ? should_fail+0x22d/0xd01
[  221.481530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.486631]  ? mark_held_locks+0x130/0x130
[  221.490866]  ? mark_held_locks+0x130/0x130
[  221.495100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.500635]  ? mark_held_locks+0x130/0x130
[  221.504864]  ? trace_hardirqs_on+0x310/0x310
[  221.509270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.514800]  ? wq_watchdog_touch+0x9c/0xfe
[  221.519031]  ? io_serial_in+0x11/0x90
[  221.522837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.528379]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  221.533501]  __alloc_pages_nodemask+0xa80/0xde0
[  221.538165]  ? should_fail+0x22d/0xd01
[  221.542051]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  221.547103]  ? ____cache_alloc_node+0x1c7/0x1e0
[  221.551773]  ? lock_downgrade+0x900/0x900
[  221.555921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.561462]  cache_grow_begin+0x91/0x8c0
[  221.565524]  ? do_raw_spin_unlock+0xa7/0x2f0
[  221.569933]  fallback_alloc+0x203/0x2e0
[  221.573908]  ____cache_alloc_node+0x1c7/0x1e0
[  221.578407]  kmem_cache_alloc_node+0xe3/0x730
[  221.582905]  ? ipv6_get_ifaddr+0x42e/0x620
[  221.587143]  __alloc_skb+0x119/0x770
[  221.590854]  ? skb_scrub_packet+0x490/0x490
[  221.595171]  ? lock_downgrade+0x900/0x900
[  221.599318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.604852]  ? refcount_sub_and_test_checked+0x203/0x310
[  221.610302]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  221.615751]  ? addrconf_rs_timer+0x690/0x690
[  221.620160]  ndisc_alloc_skb+0x144/0x340
[  221.624221]  ndisc_send_rs+0x331/0x6e0
[  221.628107]  addrconf_rs_timer+0x314/0x690
[  221.632338]  ? lock_release+0x970/0x970
[  221.636310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.640550]  call_timer_fn+0x272/0x920
[  221.644431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.648667]  ? process_timeout+0x40/0x40
[  221.652722]  ? kasan_check_read+0x11/0x20
[  221.656867]  ? do_raw_spin_unlock+0xa7/0x2f0
[  221.661271]  ? trace_hardirqs_on+0x310/0x310
[  221.665678]  ? __run_timers+0x7da/0xc70
[  221.669650]  ? lock_downgrade+0x900/0x900
[  221.673796]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  221.678895]  ? trace_hardirqs_on+0xbd/0x310
[  221.683208]  ? kasan_check_read+0x11/0x20
[  221.687354]  ? __run_timers+0x7da/0xc70
[  221.691326]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  221.696775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.702310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.706546]  __run_timers+0x7e5/0xc70
[  221.710351]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  221.715710]  ? lock_downgrade+0x900/0x900
[  221.719855]  ? finish_task_switch+0x1b5/0x900
[  221.724354]  ? trace_hardirqs_on+0xbd/0x310
[  221.728672]  ? kasan_check_read+0x11/0x20
[  221.732860]  ? finish_task_switch+0x1f5/0x900
[  221.737353]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  221.742812]  ? compat_start_thread+0x80/0x80
[  221.747230]  ? pvclock_read_flags+0x160/0x160
[  221.751721]  ? __switch_to_asm+0x34/0x70
[  221.755777]  ? __switch_to_asm+0x34/0x70
[  221.759835]  ? __switch_to_asm+0x40/0x70
[  221.763895]  ? __switch_to_asm+0x40/0x70
[  221.767950]  ? __switch_to_asm+0x34/0x70
[  221.772009]  ? __switch_to_asm+0x40/0x70
[  221.776082]  ? trace_hardirqs_on+0xbd/0x310
[  221.780405]  ? kvm_sched_clock_read+0x9/0x20
[  221.784810]  ? run_ksoftirqd+0x94/0x100
[  221.788780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.794344]  ? check_preemption_disabled+0x48/0x200
[  221.799357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.804899]  run_timer_softirq+0x52/0xb0
[  221.808961]  ? __this_cpu_preempt_check+0x1c/0x1f
[  221.813813]  __do_softirq+0x30b/0xad8
[  221.817621]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  221.822726]  ? trace_hardirqs_off+0x310/0x310
[  221.827219]  ? retint_kernel+0x1b/0x2d
[  221.831113]  ? schedule+0x108/0x460
[  221.834741]  ? trace_hardirqs_off+0xb8/0x310
[  221.839156]  ? smpboot_thread_fn+0x68b/0xa00
[  221.843571]  ? trace_hardirqs_on+0x310/0x310
[  221.847984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.853523]  ? check_preemption_disabled+0x48/0x200
[  221.858548]  ? takeover_tasklets+0xa90/0xa90
[  221.862964]  run_ksoftirqd+0x94/0x100
[  221.866760]  smpboot_thread_fn+0x68b/0xa00
[  221.870996]  ? sort_range+0x30/0x30
[  221.874624]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  221.879730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.885273]  ? __kthread_parkme+0xfb/0x1a0
[  221.889520]  kthread+0x35a/0x420
[  221.892889]  ? sort_range+0x30/0x30
[  221.896516]  ? kthread_bind+0x40/0x40
[  221.900321]  ret_from_fork+0x3a/0x50
[  221.904039] warn_alloc_show_mem: 1 callbacks suppressed
[  221.904051] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  221.904061] Mem-Info:
[  221.904098] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  221.904098]  active_file:17 inactive_file:15 isolated_file:0
[  221.904098]  unevictable:0 dirty:0 writeback:0 unstable:0
[  221.904098]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  221.904098]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  221.904098]  free:13630 free_pcp:175 free_cma:0
[  221.909425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  221.916708] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  221.919112] Call Trace:
[  221.952155] Node 0 
[  221.961506]  <IRQ>
[  221.989281] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  221.991837]  dump_stack+0x1c4/0x2b4
[  221.994051] lowmem_reserve[]:
[  221.996203]  ? dump_stack_print_info.cold.2+0x52/0x52
[  222.021681]  0
[  222.025304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.028382]  2819
[  222.033571]  warn_alloc.cold.119+0xb7/0x1bd
[  222.035347]  6323
[  222.040878]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  222.042919]  6323
[  222.047228]  ? lock_downgrade+0x900/0x900
[  222.054101]  ? trace_hardirqs_off+0xb8/0x310
[  222.056148] Node 0 
[  222.060288]  ? trace_hardirqs_off+0xb8/0x310
[  222.064704] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  222.066902]  __alloc_pages_slowpath+0x2667/0x2d80
[  222.071293] lowmem_reserve[]:
[  222.098271]  ? warn_alloc+0x120/0x120
[  222.103312]  0
[  222.106411]  ? warn_alloc+0x120/0x120
[  222.110189]  0
[  222.111985]  ? warn_alloc+0x120/0x120
[  222.115757]  3503
[  222.117553]  ? mark_held_locks+0x130/0x130
[  222.121322]  3503
[  222.123382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.129647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.135163] Node 0 
[  222.140683]  ? should_fail+0x22d/0xd01
[  222.140722] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  222.142944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.146806] lowmem_reserve[]:
[  222.175257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.180334]  0
[  222.183434]  ? should_fail+0x22d/0xd01
[  222.188945]  0
[  222.190742]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.194602]  0
[  222.196394]  ? should_fail+0x22d/0xd01
[  222.201465]  0
[  222.203605]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.209268]  ? mark_held_locks+0x130/0x130
[  222.214344] Node 0 DMA: 
[  222.218576]  ? mark_held_locks+0x130/0x130
[  222.218594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.221249] 1*4kB 
[  222.225474]  ? trace_hardirqs_off+0xb8/0x310
[  222.230982] (U) 
[  222.233621]  ? kasan_check_read+0x11/0x20
[  222.238006] 0*8kB 
[  222.239977]  ? do_raw_spin_unlock+0xa7/0x2f0
[  222.244104] 0*16kB 
[  222.246250]  ? trace_hardirqs_on+0x310/0x310
[  222.250626] 1*32kB (U) 
[  222.252862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.252878]  ? wq_watchdog_touch+0x9c/0xfe
[  222.257263] 2*64kB 
[  222.259835]  ? io_serial_in+0x11/0x90
[  222.265345] (U) 
[  222.269574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.269596]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  222.271809] 1*128kB 
[  222.275610]  __alloc_pages_nodemask+0xa80/0xde0
[  222.277560] (U) 
[  222.283092]  ? should_fail+0x22d/0xd01
[  222.288178] 1*256kB 
[  222.290495]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  222.295142] (U) 
[  222.297120]  ? ____cache_alloc_node+0x1c7/0x1e0
[  222.300972] 0*512kB 
[  222.303285]  ? lock_downgrade+0x900/0x900
[  222.308281] 1*1024kB 
[  222.310247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.314887] (U) 
[  222.317204]  cache_grow_begin+0x91/0x8c0
[  222.321331] 1*2048kB 
[  222.323732]  ? do_raw_spin_unlock+0xa7/0x2f0
[  222.329248] (M) 
[  222.331215]  fallback_alloc+0x203/0x2e0
[  222.335249] 3*4096kB 
[  222.337653]  ____cache_alloc_node+0x1c7/0x1e0
[  222.342029] (M) 
[  222.343996]  kmem_cache_alloc_node+0xe3/0x730
[  222.347942] = 15908kB
[  222.350342]  ? ipv6_get_ifaddr+0x42e/0x620
[  222.354815] Node 0 
[  222.356779]  __alloc_skb+0x119/0x770
[  222.361248] DMA32: 
[  222.363649]  ? skb_scrub_packet+0x490/0x490
[  222.367861] 3*4kB 
[  222.370096]  ? lock_downgrade+0x900/0x900
[  222.373780] (ME) 
[  222.376014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.380311] 2*8kB 
[  222.382456]  ? refcount_sub_and_test_checked+0x203/0x310
[  222.386585] (ME) 
[  222.388648]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  222.394159] 4*16kB 
[  222.396304]  ? addrconf_rs_timer+0x690/0x690
[  222.401728] (UME) 
[  222.403784]  ndisc_alloc_skb+0x144/0x340
[  222.409221] 3*32kB 
[  222.411447]  ndisc_send_rs+0x331/0x6e0
[  222.415829] (ME) 
[  222.417969]  addrconf_rs_timer+0x314/0x690
[  222.422009] 5*64kB 
[  222.424232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.428097] (ME) 
[  222.430158]  call_timer_fn+0x272/0x920
[  222.434369] 5*128kB 
[  222.436609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.440822] (UME) 
[  222.442882]  ? process_timeout+0x40/0x40
[  222.446739] 5*256kB 
[  222.449063]  ? trace_hardirqs_off+0xb8/0x310
[  222.453279] (UME) 
[  222.455422]  ? kasan_check_read+0x11/0x20
[  222.459456] 4*512kB 
[  222.461775]  ? do_raw_spin_unlock+0xa7/0x2f0
[  222.466154] (ME) 
[  222.468299]  ? trace_hardirqs_on+0x310/0x310
[  222.472424] 4*1024kB 
[  222.474738]  ? __run_timers+0x7da/0xc70
[  222.479139] (UME) 
[  222.481199]  ? lock_downgrade+0x900/0x900
[  222.485581] 2*2048kB 
[  222.487986]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  222.491931] (ME) 
[  222.494079]  ? trace_hardirqs_on+0xbd/0x310
[  222.494095]  ? kasan_check_read+0x11/0x20
[  222.498229] 3*4096kB 
[  222.501114]  ? __run_timers+0x7da/0xc70
[  222.506199] (M) 
[  222.508269]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  222.512558] = 24956kB
[  222.516696]  ? kasan_check_write+0x14/0x20
[  222.519087] Node 0 
[  222.523061]  ? do_raw_spin_lock+0xc1/0x200
[  222.525022] Normal: 
[  222.530460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.532853] 1016*4kB 
[  222.537080]  __run_timers+0x7e5/0xc70
[  222.537101]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  222.539318] (UME) 
[  222.543539]  ? lock_acquire+0x1ed/0x520
[  222.545840] 447*8kB 
[  222.550075]  ? __hrtimer_run_queues+0x488/0x10d0
[  222.552468] (ME) 
[  222.556261]  ? lock_release+0x970/0x970
[  222.561601] 188*16kB 
[  222.563745]  ? trace_hardirqs_off+0xb8/0x310
[  222.567698] (UME) 
[  222.570013]  ? do_raw_spin_unlock+0xa7/0x2f0
[  222.570029]  ? kasan_check_write+0x14/0x20
[  222.574766] 54*32kB 
[  222.576820]  ? pvclock_read_flags+0x160/0x160
[  222.580767] (UME) 
[  222.583170]  ? lock_downgrade+0x900/0x900
[  222.587549] 20*64kB 
[  222.589696]  ? trace_hardirqs_on+0xbd/0x310
[  222.594090] (UM) 
[  222.598324]  ? kvm_sched_clock_read+0x9/0x20
[  222.600623] 0*128kB 
[  222.605556]  ? irq_exit+0x17f/0x1c0
[  222.607684] 0*256kB 
[  222.611827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.614123] 0*512kB 
[  222.618431]  ? check_preemption_disabled+0x48/0x200
[  222.620465] 0*1024kB 
[  222.624866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.627165] 0*2048kB 
[  222.630789]  run_timer_softirq+0x52/0xb0
[  222.633102] 0*4096kB 
[  222.638625]  ? __this_cpu_preempt_check+0x1c/0x1f
[  222.640931] = 13656kB
[  222.645933]  __do_softirq+0x30b/0xad8
[  222.648332] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  222.653848]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  222.656236] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  222.660288]  ? pvclock_read_flags+0x160/0x160
[  222.662675] 4246 total pagecache pages
[  222.667507]  ? lapic_next_event+0x5a/0x90
[  222.669899] 0 pages in swap cache
[  222.673689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.682504] Swap cache stats: add 0, delete 0, find 0/0
[  222.687601]  ? clockevents_program_event+0x140/0x370
[  222.696150] Free swap  = 0kB
[  222.700641]  ? kvm_clock_read+0x18/0x30
[  222.704507] Total swap = 0kB
[  222.708653]  ? kvm_sched_clock_read+0x9/0x20
[  222.712089] 1965979 pages RAM
[  222.717618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.722954] 0 pages HighMem/MovableOnly
[  222.728051]  ? check_preemption_disabled+0x48/0x200
[  222.731051] 342307 pages reserved
[  222.735023]  irq_exit+0x17f/0x1c0
[  222.738015] 0 pages cma reserved
[  222.742413]  smp_apic_timer_interrupt+0x1cb/0x760
[  222.742428]  ? smp_reschedule_interrupt+0x109/0x650
[  222.745590] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  222.751046]  ? smp_call_function_single_interrupt+0x650/0x650
[  222.755111] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  222.760012]  ? interrupt_entry+0xb5/0xf0
[  222.760030]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.763459] ksoftirqd/0 cpuset=
[  222.766907]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.770242] /
[  222.775083]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.775100]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.780100]  mems_allowed=0
[  222.786583]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.839463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.844995]  ? check_preemption_disabled+0x48/0x200
[  222.850019]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.854869]  apic_timer_interrupt+0xf/0x20
[  222.859097]  </IRQ>
[  222.861334] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  222.866259] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  222.885154] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  222.892863] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  222.900126] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  222.907390] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  222.914653] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  222.921916] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  222.929200]  ? trace_hardirqs_on+0xb4/0x310
[  222.933537]  skb_clone+0x1bb/0x500
[  222.937086]  ? skb_split+0x11e0/0x11e0
[  222.940974]  ? preempt_notifier_register+0x200/0x200
[  222.946080]  ? __switch_to_asm+0x34/0x70
[  222.950139]  ? __switch_to_asm+0x34/0x70
[  222.954195]  ? __switch_to_asm+0x40/0x70
[  222.958256]  ? __switch_to_asm+0x34/0x70
[  222.962315]  ? __switch_to_asm+0x40/0x70
[  222.966377]  ? __switch_to_asm+0x40/0x70
[  222.970431]  ? __switch_to_asm+0x34/0x70
[  222.974487]  ? __switch_to_asm+0x34/0x70
[  222.978546]  ? __switch_to_asm+0x40/0x70
[  222.982607]  ? __switch_to_asm+0x34/0x70
[  222.986668]  bpf_clone_redirect+0xb9/0x490
[  222.990908]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  222.995924]  ? __sched_text_start+0x8/0x8
[  223.000079]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  223.004832]  ? retint_kernel+0x2d/0x2d
[  223.008722]  ? trace_hardirqs_on_caller+0xc0/0x310
[  223.013655]  ? rcu_gp_kthread+0x2310/0x2310
[  223.017972]  ? trace_hardirqs_off+0x310/0x310
[  223.022468]  ? lock_acquire+0x1ed/0x520
[  223.026439]  ? bpf_test_run+0x3cb/0x780
[  223.030409]  ? lock_downgrade+0x900/0x900
[  223.034557]  ? lock_release+0x970/0x970
[  223.038539]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  223.044339]  ? preempt_schedule_common+0x1f/0xd0
[  223.049121]  ? preempt_schedule+0x4d/0x60
[  223.053272]  ? ___preempt_schedule+0x16/0x18
[  223.057682]  ? bpf_test_run+0x25d/0x780
[  223.061665]  ? netlink_diag_dump+0x2a0/0x2a0
[  223.066084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.071622]  ? bpf_test_init.isra.9+0x70/0x100
[  223.076209]  ? bpf_prog_test_run_skb+0x634/0xb40
[  223.081328]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  223.086171]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  223.091706]  ? fput+0x130/0x1a0
[  223.094984]  ? __bpf_prog_get+0x9b/0x290
[  223.099046]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  223.103893]  ? bpf_prog_test_run+0x130/0x1a0
[  223.108304]  ? __x64_sys_bpf+0x3d8/0x510
[  223.112362]  ? bpf_prog_get+0x20/0x20
[  223.116176]  ? do_syscall_64+0x1b9/0x820
[  223.120235]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  223.125598]  ? syscall_return_slowpath+0x5e0/0x5e0
[  223.130527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.135370]  ? trace_hardirqs_on_caller+0x310/0x310
[  223.140388]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  223.145402]  ? prepare_exit_to_usermode+0x291/0x3b0
[  223.150425]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.155271]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  223.160644] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  223.160699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  223.167484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  223.167489] Call Trace:
[  223.167511]  dump_stack+0x1c4/0x2b4
[  223.167529]  ? dump_stack_print_info.cold.2+0x52/0x52
[  223.174088] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  223.183362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.185915] syz-executor4 cpuset=
[  223.189547]  warn_alloc.cold.119+0xb7/0x1bd
[  223.194702] syz4
[  223.205196]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  223.210703]  mems_allowed=0
[  223.214154]  ? lock_downgrade+0x900/0x900
[  223.232296]  ? trace_hardirqs_off+0xb8/0x310
[  223.236705]  ? trace_hardirqs_off+0xb8/0x310
[  223.241133]  __alloc_pages_slowpath+0x2667/0x2d80
[  223.246001]  ? mark_held_locks+0x130/0x130
[  223.250243]  ? warn_alloc+0x120/0x120
[  223.254074]  ? warn_alloc+0x120/0x120
[  223.257885]  ? warn_alloc+0x120/0x120
[  223.261694]  ? mark_held_locks+0x130/0x130
[  223.265936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.271471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.277013]  ? should_fail+0x22d/0xd01
[  223.280910]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.286020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.291568]  ? should_fail+0x22d/0xd01
[  223.295467]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.300578]  ? should_fail+0x22d/0xd01
[  223.304471]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.309573]  ? mark_held_locks+0x130/0x130
[  223.313810]  ? mark_held_locks+0x130/0x130
[  223.318052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.323613]  ? trace_hardirqs_off+0xb8/0x310
[  223.328026]  ? kasan_check_read+0x11/0x20
[  223.332192]  ? do_raw_spin_unlock+0xa7/0x2f0
[  223.336610]  ? trace_hardirqs_on+0x310/0x310
[  223.341017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.346556]  ? wq_watchdog_touch+0x9c/0xfe
[  223.350826]  ? io_serial_in+0x11/0x90
[  223.354630]  ? retint_kernel+0x2d/0x2d
[  223.358525]  ? trace_hardirqs_on_caller+0xc0/0x310
[  223.363462]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  223.368229]  ? trace_hardirqs_off+0x310/0x310
[  223.372726]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  223.377858]  __alloc_pages_nodemask+0xa80/0xde0
[  223.382531]  ? should_fail+0x22d/0xd01
[  223.386420]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  223.391461]  ? ____cache_alloc_node+0x1c7/0x1e0
[  223.396135]  ? lock_downgrade+0x900/0x900
[  223.400299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.405844]  cache_grow_begin+0x91/0x8c0
[  223.409911]  ? do_raw_spin_unlock+0xa7/0x2f0
[  223.414325]  fallback_alloc+0x203/0x2e0
[  223.418302]  ____cache_alloc_node+0x1c7/0x1e0
[  223.422823]  kmem_cache_alloc_node+0xe3/0x730
[  223.427321]  ? ipv6_get_ifaddr+0x42e/0x620
[  223.431568]  __alloc_skb+0x119/0x770
[  223.435286]  ? skb_scrub_packet+0x490/0x490
[  223.439614]  ? lock_downgrade+0x900/0x900
[  223.443776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.449313]  ? refcount_sub_and_test_checked+0x203/0x310
[  223.454763]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  223.460213]  ? addrconf_rs_timer+0x690/0x690
[  223.464634]  ndisc_alloc_skb+0x144/0x340
[  223.468702]  ndisc_send_rs+0x331/0x6e0
[  223.472599]  addrconf_rs_timer+0x314/0x690
[  223.476844]  ? lock_release+0x970/0x970
[  223.480826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.485087]  call_timer_fn+0x272/0x920
[  223.488969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.493212]  ? process_timeout+0x40/0x40
[  223.497273]  ? kasan_check_read+0x11/0x20
[  223.501421]  ? do_raw_spin_unlock+0xa7/0x2f0
[  223.505840]  ? trace_hardirqs_on+0x310/0x310
[  223.510258]  ? __run_timers+0x7da/0xc70
[  223.514237]  ? lock_downgrade+0x900/0x900
[  223.518386]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  223.523490]  ? trace_hardirqs_on+0xbd/0x310
[  223.527811]  ? kasan_check_read+0x11/0x20
[  223.531963]  ? __run_timers+0x7da/0xc70
[  223.535948]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  223.541407]  ? kasan_check_write+0x14/0x20
[  223.545652]  ? do_raw_spin_lock+0xc1/0x200
[  223.549896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.554135]  __run_timers+0x7e5/0xc70
[  223.557945]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  223.563307]  ? lock_downgrade+0x900/0x900
[  223.567454]  ? finish_task_switch+0x1b5/0x900
[  223.571965]  ? trace_hardirqs_on+0xbd/0x310
[  223.576293]  ? kasan_check_read+0x11/0x20
[  223.580449]  ? finish_task_switch+0x1f5/0x900
[  223.584949]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  223.590397]  ? compat_start_thread+0x80/0x80
[  223.594812]  ? pvclock_read_flags+0x160/0x160
[  223.599304]  ? __switch_to_asm+0x34/0x70
[  223.603367]  ? __switch_to_asm+0x34/0x70
[  223.607429]  ? __switch_to_asm+0x40/0x70
[  223.611495]  ? __switch_to_asm+0x40/0x70
[  223.615559]  ? __switch_to_asm+0x34/0x70
[  223.619628]  ? __switch_to_asm+0x40/0x70
[  223.623696]  ? trace_hardirqs_on+0xbd/0x310
[  223.628015]  ? kvm_sched_clock_read+0x9/0x20
[  223.632423]  ? run_ksoftirqd+0x94/0x100
[  223.636397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.641935]  ? check_preemption_disabled+0x48/0x200
[  223.646957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.652505]  run_timer_softirq+0x52/0xb0
[  223.656570]  ? __this_cpu_preempt_check+0x1c/0x1f
[  223.661412]  __do_softirq+0x30b/0xad8
[  223.665219]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  223.670317]  ? trace_hardirqs_off+0x310/0x310
[  223.674820]  ? retint_kernel+0x1b/0x2d
[  223.678715]  ? schedule+0x108/0x460
[  223.682352]  ? trace_hardirqs_off+0xb8/0x310
[  223.686765]  ? smpboot_thread_fn+0x68b/0xa00
[  223.691178]  ? trace_hardirqs_on+0x310/0x310
[  223.695594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.701131]  ? check_preemption_disabled+0x48/0x200
[  223.706155]  ? takeover_tasklets+0xa90/0xa90
[  223.710572]  run_ksoftirqd+0x94/0x100
[  223.714382]  smpboot_thread_fn+0x68b/0xa00
[  223.718626]  ? sort_range+0x30/0x30
[  223.722258]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  223.727373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.732918]  ? __kthread_parkme+0xfb/0x1a0
[  223.737159]  kthread+0x35a/0x420
[  223.740525]  ? sort_range+0x30/0x30
[  223.744150]  ? kthread_bind+0x40/0x40
[  223.747958]  ret_from_fork+0x3a/0x50
[  223.751684] warn_alloc_show_mem: 1 callbacks suppressed
[  223.751696] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  223.751698] Mem-Info:
[  223.751735] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  223.751735]  active_file:17 inactive_file:15 isolated_file:0
[  223.751735]  unevictable:0 dirty:0 writeback:0 unstable:0
[  223.751735]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  223.751735]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  223.751735]  free:13630 free_pcp:175 free_cma:0
[  223.757070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  223.764357] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  223.766757] Call Trace:
[  223.799799] Node 0 
[  223.809143]  <IRQ>
[  223.836917] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  223.839464]  dump_stack+0x1c4/0x2b4
[  223.841673] lowmem_reserve[]:
[  223.843820]  ? dump_stack_print_info.cold.2+0x52/0x52
[  223.869290]  0 2819
[  223.872925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.876002]  6323
[  223.881187]  warn_alloc.cold.119+0xb7/0x1bd
[  223.883396]  6323
[  223.888925]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  223.895280]  ? lock_downgrade+0x900/0x900
[  223.897322] Node 0 
[  223.902155]  ? trace_hardirqs_off+0xb8/0x310
[  223.906309] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  223.908534]  ? trace_hardirqs_off+0xb8/0x310
[  223.912903] lowmem_reserve[]:
[  223.939992]  __alloc_pages_slowpath+0x2667/0x2d80
[  223.944380]  0
[  223.947487]  ? warn_alloc+0x120/0x120
[  223.952288]  0
[  223.954090]  ? trace_hardirqs_on+0x310/0x310
[  223.957864]  3503
[  223.959660]  ? warn_alloc+0x120/0x120
[  223.964048]  3503
[  223.966111]  ? warn_alloc+0x120/0x120
[  223.971944]  ? ktime_get+0x2e1/0x440
[  223.975722] Node 0 
[  223.979427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.979468] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  223.981670]  ? check_preemption_disabled+0x48/0x200
[  223.987182] lowmem_reserve[]:
[  224.016099]  ? kasan_check_read+0x11/0x20
[  224.021090]  0 0
[  224.024201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.028317]  0
[  224.030287]  ? should_fail+0x22d/0xd01
[  224.035797]  0
[  224.037595]  ? rcu_bh_qs+0xc0/0xc0
[  224.043251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.046759] Node 0 
[  224.051849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.051858] DMA: 
[  224.054093]  ? should_fail+0x22d/0xd01
[  224.059609] 1*4kB 
[  224.061662]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.065519] (U) 
[  224.067658]  ? should_fail+0x22d/0xd01
[  224.072736] 0*8kB 
[  224.074707]  ? rcu_idle_enter+0x4b0/0x4b0
[  224.078564] 0*16kB 
[  224.080711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.084833] 1*32kB 
[  224.087070]  ? mark_held_locks+0x130/0x130
[  224.092146] (U) 
[  224.094379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.098583] 2*64kB 
[  224.100549]  ? mark_held_locks+0x130/0x130
[  224.106538] (U) 1*128kB 
[  224.108784]  ? rcu_irq_exit+0xce/0x100
[  224.112986] (U) 
[  224.115650]  ? irq_exit+0xbd/0x1c0
[  224.119510] 1*256kB 
[  224.121479]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  224.124998] (U) 
[  224.127313]  ? do_raw_spin_unlock+0xa7/0x2f0
[  224.132298] 0*512kB 
[  224.134267]  ? smp_call_function_single_interrupt+0x650/0x650
[  224.138651] 1*1024kB 
[  224.140965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.146827] (U) 
[  224.149230]  ? ret_from_intr+0xb/0x1e
[  224.154741] 1*2048kB 
[  224.156706]  ? retint_kernel+0x2d/0x2d
[  224.160481] (M) 
[  224.162888]  ? trace_hardirqs_on_caller+0xc0/0x310
[  224.166746] 3*4096kB 
[  224.168712]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  224.173613] (M) 
[  224.176013]  ? trace_hardirqs_off+0x310/0x310
[  224.180741] = 15908kB
[  224.182710]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  224.187179] Node 0 
[  224.189596]  __alloc_pages_nodemask+0xa80/0xde0
[  224.194664] DMA32: 
[  224.196893]  ? should_fail+0x22d/0xd01
[  224.201530] 3*4kB 
[  224.203757]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  224.207618] (ME) 
[  224.209772]  ? ____cache_alloc_node+0x1c7/0x1e0
[  224.214751] 2*8kB 
[  224.216806]  ? lock_downgrade+0x900/0x900
[  224.221445] (ME) 
[  224.223597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.227714] 4*16kB 
[  224.229766]  cache_grow_begin+0x91/0x8c0
[  224.235402] (UME) 3*32kB 
[  224.237643]  ? do_raw_spin_unlock+0xa7/0x2f0
[  224.241677] (ME) 
[  224.244425]  fallback_alloc+0x203/0x2e0
[  224.248840] 5*64kB 
[  224.250923]  ____cache_alloc_node+0x1c7/0x1e0
[  224.254871] (ME) 
[  224.257102]  kmem_cache_alloc_node+0xe3/0x730
[  224.261567] 5*128kB 
[  224.263629]  ? ipv6_get_ifaddr+0x42e/0x620
[  224.268098] (UME) 
[  224.270415]  __alloc_skb+0x119/0x770
[  224.274619] 5*256kB 
[  224.276757]  ? skb_scrub_packet+0x490/0x490
[  224.280440] (UME) 
[  224.282755]  ? lock_downgrade+0x900/0x900
[  224.287050] 4*512kB 
[  224.289202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.293319] (ME) 
[  224.295635]  ? refcount_sub_and_test_checked+0x203/0x310
[  224.301142] 4*1024kB 
[  224.303201]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  224.308623] (UME) 
[  224.311022]  ? addrconf_rs_timer+0x690/0x690
[  224.316447] 2*2048kB 
[  224.318594]  ndisc_alloc_skb+0x144/0x340
[  224.322970] (ME) 
[  224.325373]  ndisc_send_rs+0x331/0x6e0
[  224.329409] 3*4096kB 
[  224.331473]  addrconf_rs_timer+0x314/0x690
[  224.335333] (M) 
[  224.337736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.341942] = 24956kB
[  224.343910]  call_timer_fn+0x272/0x920
[  224.348111] Node 0 
[  224.350508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.354366] Normal: 
[  224.356608]  ? process_timeout+0x40/0x40
[  224.360816] 1016*4kB 
[  224.363131]  ? trace_hardirqs_off+0xb8/0x310
[  224.367162] (UME) 
[  224.369572]  ? kasan_check_read+0x11/0x20
[  224.373945] 447*8kB 
[  224.376094]  ? do_raw_spin_unlock+0xa7/0x2f0
[  224.380221] (ME) 
[  224.382541]  ? trace_hardirqs_on+0x310/0x310
[  224.386927] 188*16kB 
[  224.388982]  ? __run_timers+0x7da/0xc70
[  224.393359] (UME) 
[  224.395765]  ? lock_downgrade+0x900/0x900
[  224.399728] 54*32kB 
[  224.401869]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  224.406000] (UME) 
[  224.408317]  ? trace_hardirqs_on+0xbd/0x310
[  224.413394] 20*64kB 
[  224.415536]  ? kasan_check_read+0x11/0x20
[  224.419828] (UM) 
[  224.422175]  ? __run_timers+0x7da/0xc70
[  224.426292] 0*128kB 
[  224.428347]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  224.432295] 0*256kB 
[  224.434624]  ? kasan_check_write+0x14/0x20
[  224.440044] 0*512kB 
[  224.442365]  ? do_raw_spin_lock+0xc1/0x200
[  224.446577] 0*1024kB 
[  224.448887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.453095] 0*2048kB 
[  224.455499]  __run_timers+0x7e5/0xc70
[  224.459707] 0*4096kB 
[  224.462110]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  224.465877] = 13656kB
[  224.468278]  ? lock_acquire+0x1ed/0x520
[  224.473621] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  224.476019]  ? __hrtimer_run_queues+0x488/0x10d0
[  224.479971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  224.488806]  ? lock_release+0x970/0x970
[  224.493532] 4246 total pagecache pages
[  224.502151]  ? trace_hardirqs_off+0xb8/0x310
[  224.506098] 0 pages in swap cache
[  224.509990]  ? do_raw_spin_unlock+0xa7/0x2f0
[  224.514371] Swap cache stats: add 0, delete 0, find 0/0
[  224.517813]  ? kasan_check_write+0x14/0x20
[  224.522193] Free swap  = 0kB
[  224.527559]  ? pvclock_read_flags+0x160/0x160
[  224.531762] Total swap = 0kB
[  224.534796]  ? lock_downgrade+0x900/0x900
[  224.539262] 1965979 pages RAM
[  224.542272]  ? trace_hardirqs_on+0xbd/0x310
[  224.546390] 0 pages HighMem/MovableOnly
[  224.549489]  ? kvm_sched_clock_read+0x9/0x20
[  224.553780] 342307 pages reserved
[  224.553787] 0 pages cma reserved
[  224.557753]  ? irq_exit+0x17f/0x1c0
[  224.562182] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  224.565602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.565616]  ? check_preemption_disabled+0x48/0x200
[  224.565632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.569022] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  224.572595]  run_timer_softirq+0x52/0xb0
[  224.579083] ksoftirqd/0 cpuset=
[  224.584616]  ? __this_cpu_preempt_check+0x1c/0x1f
[  224.589606] /
[  224.595133]  __do_softirq+0x30b/0xad8
[  224.605415]  mems_allowed=0
[  224.609468]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  224.631104]  ? pvclock_read_flags+0x160/0x160
[  224.635629]  ? lapic_next_event+0x5a/0x90
[  224.639778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.645312]  ? clockevents_program_event+0x140/0x370
[  224.650417]  ? kvm_clock_read+0x18/0x30
[  224.654391]  ? kvm_sched_clock_read+0x9/0x20
[  224.658800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.664336]  ? check_preemption_disabled+0x48/0x200
[  224.669361]  irq_exit+0x17f/0x1c0
[  224.672811]  smp_apic_timer_interrupt+0x1cb/0x760
[  224.677646]  ? smp_reschedule_interrupt+0x109/0x650
[  224.682660]  ? smp_call_function_single_interrupt+0x650/0x650
[  224.688542]  ? interrupt_entry+0xb5/0xf0
[  224.692619]  ? trace_hardirqs_off_caller+0xbb/0x310
[  224.697634]  ? trace_hardirqs_off_caller+0xbb/0x310
[  224.702651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.707490]  ? trace_hardirqs_on_caller+0x310/0x310
[  224.712506]  ? trace_hardirqs_on_caller+0x310/0x310
[  224.717518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.723049]  ? check_preemption_disabled+0x48/0x200
[  224.728080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.732941]  apic_timer_interrupt+0xf/0x20
[  224.737166]  </IRQ>
[  224.739406] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  224.744350] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  224.763243] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  224.770960] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  224.778221] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  224.785485] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  224.792752] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  224.800016] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  224.807294]  ? trace_hardirqs_on+0xb4/0x310
[  224.811625]  skb_clone+0x1bb/0x500
[  224.815181]  ? skb_split+0x11e0/0x11e0
[  224.819079]  ? preempt_notifier_register+0x200/0x200
[  224.824180]  ? __switch_to_asm+0x34/0x70
[  224.828237]  ? __switch_to_asm+0x34/0x70
[  224.832292]  ? __switch_to_asm+0x40/0x70
[  224.836348]  ? __switch_to_asm+0x34/0x70
[  224.840402]  ? __switch_to_asm+0x40/0x70
[  224.844459]  ? __switch_to_asm+0x40/0x70
[  224.848514]  ? __switch_to_asm+0x34/0x70
[  224.852576]  ? __switch_to_asm+0x34/0x70
[  224.856636]  ? __switch_to_asm+0x40/0x70
[  224.860695]  ? __switch_to_asm+0x34/0x70
[  224.864757]  bpf_clone_redirect+0xb9/0x490
[  224.869000]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  224.874018]  ? __sched_text_start+0x8/0x8
[  224.878165]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  224.882920]  ? retint_kernel+0x2d/0x2d
[  224.887098]  ? trace_hardirqs_on_caller+0xc0/0x310
[  224.892028]  ? rcu_gp_kthread+0x2310/0x2310
[  224.896355]  ? trace_hardirqs_off+0x310/0x310
[  224.900858]  ? lock_acquire+0x1ed/0x520
[  224.904831]  ? bpf_test_run+0x3cb/0x780
[  224.908807]  ? lock_downgrade+0x900/0x900
[  224.912952]  ? lock_release+0x970/0x970
[  224.916928]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  224.922727]  ? preempt_schedule_common+0x1f/0xd0
[  224.927483]  ? preempt_schedule+0x4d/0x60
[  224.931638]  ? ___preempt_schedule+0x16/0x18
[  224.936049]  ? bpf_test_run+0x25d/0x780
[  224.940034]  ? netlink_diag_dump+0x2a0/0x2a0
[  224.944449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.949980]  ? bpf_test_init.isra.9+0x70/0x100
[  224.954560]  ? bpf_prog_test_run_skb+0x634/0xb40
[  224.959322]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  224.964159]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  224.969711]  ? fput+0x130/0x1a0
[  224.973006]  ? __bpf_prog_get+0x9b/0x290
[  224.977075]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  224.981917]  ? bpf_prog_test_run+0x130/0x1a0
[  224.986327]  ? __x64_sys_bpf+0x3d8/0x510
[  224.990499]  ? bpf_prog_get+0x20/0x20
[  224.994308]  ? do_syscall_64+0x1b9/0x820
[  224.998367]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  225.003731]  ? syscall_return_slowpath+0x5e0/0x5e0
[  225.008660]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.013501]  ? trace_hardirqs_on_caller+0x310/0x310
[  225.018519]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  225.023533]  ? prepare_exit_to_usermode+0x291/0x3b0
[  225.028553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.033407]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  225.038776] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  225.038830] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  225.045613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  225.045618] Call Trace:
[  225.045639]  dump_stack+0x1c4/0x2b4
[  225.045656]  ? dump_stack_print_info.cold.2+0x52/0x52
[  225.045675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.052188] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  225.061505]  warn_alloc.cold.119+0xb7/0x1bd
[  225.064066] syz-executor4 cpuset=
[  225.067692]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  225.072851] syz4
[  225.078379]  ? lock_downgrade+0x900/0x900
[  225.088834]  mems_allowed=0
[  225.110439]  ? trace_hardirqs_off+0xb8/0x310
[  225.114852]  ? trace_hardirqs_off+0xb8/0x310
[  225.119271]  __alloc_pages_slowpath+0x2667/0x2d80
[  225.124136]  ? mark_held_locks+0x130/0x130
[  225.128397]  ? warn_alloc+0x120/0x120
[  225.132206]  ? warn_alloc+0x120/0x120
[  225.136013]  ? warn_alloc+0x120/0x120
[  225.139819]  ? mark_held_locks+0x130/0x130
[  225.144067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.149606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.155148]  ? should_fail+0x22d/0xd01
[  225.159053]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.164201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.169742]  ? should_fail+0x22d/0xd01
[  225.173643]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.178747]  ? should_fail+0x22d/0xd01
[  225.182638]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.187743]  ? mark_held_locks+0x130/0x130
[  225.191982]  ? mark_held_locks+0x130/0x130
[  225.196226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.201765]  ? trace_hardirqs_off+0xb8/0x310
[  225.206179]  ? kasan_check_read+0x11/0x20
[  225.210336]  ? do_raw_spin_unlock+0xa7/0x2f0
[  225.214742]  ? trace_hardirqs_on+0x310/0x310
[  225.219146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.224682]  ? wq_watchdog_touch+0x9c/0xfe
[  225.228925]  ? io_serial_in+0x11/0x90
[  225.232730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.238272]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  225.243395]  __alloc_pages_nodemask+0xa80/0xde0
[  225.248086]  ? should_fail+0x22d/0xd01
[  225.251989]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  225.257021]  ? ____cache_alloc_node+0x1c7/0x1e0
[  225.261692]  ? lock_downgrade+0x900/0x900
[  225.265855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.271400]  cache_grow_begin+0x91/0x8c0
[  225.275471]  ? do_raw_spin_unlock+0xa7/0x2f0
[  225.279895]  fallback_alloc+0x203/0x2e0
[  225.283882]  ____cache_alloc_node+0x1c7/0x1e0
[  225.288383]  kmem_cache_alloc_node+0xe3/0x730
[  225.292879]  ? ipv6_get_ifaddr+0x42e/0x620
[  225.297123]  __alloc_skb+0x119/0x770
[  225.300840]  ? skb_scrub_packet+0x490/0x490
[  225.305170]  ? lock_downgrade+0x900/0x900
[  225.309334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.314874]  ? refcount_sub_and_test_checked+0x203/0x310
[  225.320334]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  225.325784]  ? addrconf_rs_timer+0x690/0x690
[  225.330195]  ndisc_alloc_skb+0x144/0x340
[  225.334256]  ndisc_send_rs+0x331/0x6e0
[  225.338150]  addrconf_rs_timer+0x314/0x690
[  225.342389]  ? lock_release+0x970/0x970
[  225.346371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.350623]  call_timer_fn+0x272/0x920
[  225.354516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.358748]  ? process_timeout+0x40/0x40
[  225.362802]  ? kasan_check_read+0x11/0x20
[  225.366945]  ? do_raw_spin_unlock+0xa7/0x2f0
[  225.371352]  ? trace_hardirqs_on+0x310/0x310
[  225.375769]  ? __run_timers+0x7da/0xc70
[  225.379744]  ? lock_downgrade+0x900/0x900
[  225.383902]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  225.389008]  ? trace_hardirqs_on+0xbd/0x310
[  225.393335]  ? kasan_check_read+0x11/0x20
[  225.397484]  ? __run_timers+0x7da/0xc70
[  225.401460]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  225.406907]  ? kasan_check_write+0x14/0x20
[  225.411134]  ? do_raw_spin_lock+0xc1/0x200
[  225.415393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.419638]  __run_timers+0x7e5/0xc70
[  225.423459]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  225.428825]  ? lock_downgrade+0x900/0x900
[  225.432970]  ? finish_task_switch+0x1b5/0x900
[  225.437463]  ? trace_hardirqs_on+0xbd/0x310
[  225.441787]  ? kasan_check_read+0x11/0x20
[  225.445941]  ? finish_task_switch+0x1f5/0x900
[  225.450449]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  225.455901]  ? compat_start_thread+0x80/0x80
[  225.460328]  ? pvclock_read_flags+0x160/0x160
[  225.464829]  ? __switch_to_asm+0x34/0x70
[  225.468887]  ? __switch_to_asm+0x34/0x70
[  225.472942]  ? __switch_to_asm+0x40/0x70
[  225.477002]  ? __switch_to_asm+0x40/0x70
[  225.481081]  ? __switch_to_asm+0x34/0x70
[  225.485147]  ? __switch_to_asm+0x40/0x70
[  225.489254]  ? trace_hardirqs_on+0xbd/0x310
[  225.493582]  ? kvm_sched_clock_read+0x9/0x20
[  225.497992]  ? run_ksoftirqd+0x94/0x100
[  225.501969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.507500]  ? check_preemption_disabled+0x48/0x200
[  225.512519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.518088]  run_timer_softirq+0x52/0xb0
[  225.522156]  ? __this_cpu_preempt_check+0x1c/0x1f
[  225.526998]  __do_softirq+0x30b/0xad8
[  225.530814]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  225.535920]  ? trace_hardirqs_off+0x310/0x310
[  225.540415]  ? retint_kernel+0x1b/0x2d
[  225.544308]  ? schedule+0x108/0x460
[  225.547950]  ? trace_hardirqs_off+0xb8/0x310
[  225.552373]  ? smpboot_thread_fn+0x68b/0xa00
[  225.556783]  ? trace_hardirqs_on+0x310/0x310
[  225.561192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.566735]  ? check_preemption_disabled+0x48/0x200
[  225.571758]  ? takeover_tasklets+0xa90/0xa90
[  225.576172]  run_ksoftirqd+0x94/0x100
[  225.579970]  smpboot_thread_fn+0x68b/0xa00
[  225.584214]  ? sort_range+0x30/0x30
[  225.587855]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  225.592966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.598515]  ? __kthread_parkme+0xfb/0x1a0
[  225.602757]  kthread+0x35a/0x420
[  225.606128]  ? sort_range+0x30/0x30
[  225.609757]  ? kthread_bind+0x40/0x40
[  225.613559]  ret_from_fork+0x3a/0x50
[  225.617281] warn_alloc_show_mem: 1 callbacks suppressed
[  225.617294] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  225.617295] Mem-Info:
[  225.617326] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  225.617326]  active_file:17 inactive_file:15 isolated_file:0
[  225.617326]  unevictable:0 dirty:0 writeback:0 unstable:0
[  225.617326]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  225.617326]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  225.617326]  free:13630 free_pcp:175 free_cma:0
[  225.622662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  225.629943] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  225.632351] Call Trace:
[  225.665393] Node 0 
[  225.674738]  <IRQ>
[  225.702514] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  225.705095]  dump_stack+0x1c4/0x2b4
[  225.707307] lowmem_reserve[]:
[  225.709454]  ? dump_stack_print_info.cold.2+0x52/0x52
[  225.734930]  0
[  225.738552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.741627]  2819
[  225.746813]  warn_alloc.cold.119+0xb7/0x1bd
[  225.748593]  6323
[  225.754119]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  225.756157]  6323
[  225.760471]  ? lock_downgrade+0x900/0x900
[  225.767339]  ? trace_hardirqs_off+0xb8/0x310
[  225.769378] Node 0 
[  225.773517]  ? trace_hardirqs_off+0xb8/0x310
[  225.777930] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  225.780131]  __alloc_pages_slowpath+0x2667/0x2d80
[  225.784519] lowmem_reserve[]:
[  225.811498]  ? warn_alloc+0x120/0x120
[  225.816307]  0
[  225.819405]  ? warn_alloc+0x120/0x120
[  225.823187]  0
[  225.824982]  ? warn_alloc+0x120/0x120
[  225.828752]  3503
[  225.830545]  ? mark_held_locks+0x130/0x130
[  225.834319]  3503
[  225.836374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.840582] Node 0 
[  225.842635]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.848179] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  225.850373]  ? should_fail+0x22d/0xd01
[  225.850390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.855901] lowmem_reserve[]:
[  225.884347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.888209]  0
[  225.893297]  ? should_fail+0x22d/0xd01
[  225.893314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.896395]  0
[  225.901920]  ? should_fail+0x22d/0xd01
[  225.903697]  0
[  225.907583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.912660]  0
[  225.914458]  ? mark_held_locks+0x130/0x130
[  225.920116]  ? mark_held_locks+0x130/0x130
[  225.925193] Node 0 
[  225.926993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.931206] DMA: 
[  225.935431]  ? trace_hardirqs_off+0xb8/0x310
[  225.937644] 1*4kB 
[  225.943169]  ? kasan_check_read+0x11/0x20
[  225.945211] (U) 
[  225.949611]  ? do_raw_spin_unlock+0xa7/0x2f0
[  225.951736] 0*8kB 
[  225.955876]  ? trace_hardirqs_on+0x310/0x310
[  225.957828] 0*16kB 
[  225.962225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.964349] 1*32kB 
[  225.968744]  ? wq_watchdog_touch+0x9c/0xfe
[  225.970958] (U) 
[  225.976487]  ? io_serial_in+0x11/0x90
[  225.978701] 2*64kB 
[  225.982932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.984882] (U) 
[  225.988678]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  225.990894] 1*128kB 
[  225.996429]  __alloc_pages_nodemask+0xa80/0xde0
[  225.998381] (U) 
[  226.003473]  ? should_fail+0x22d/0xd01
[  226.005779] 1*256kB 
[  226.010437]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  226.012388] (U) 
[  226.016275]  ? ____cache_alloc_node+0x1c7/0x1e0
[  226.018578] 0*512kB 
[  226.023586]  ? lock_downgrade+0x900/0x900
[  226.025542] 1*1024kB 
[  226.030203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.032502] (U) 
[  226.036854]  cache_grow_begin+0x91/0x8c0
[  226.039240] 1*2048kB 
[  226.044766]  ? do_raw_spin_unlock+0xa7/0x2f0
[  226.046712] (M) 
[  226.050761]  fallback_alloc+0x203/0x2e0
[  226.053163] 3*4096kB 
[  226.057565]  ____cache_alloc_node+0x1c7/0x1e0
[  226.059523] (M) 
[  226.063489]  kmem_cache_alloc_node+0xe3/0x730
[  226.065876] = 15908kB
[  226.070356]  ? ipv6_get_ifaddr+0x42e/0x620
[  226.070382]  __alloc_skb+0x119/0x770
[  226.072349] Node 0 
[  226.076830]  ? skb_scrub_packet+0x490/0x490
[  226.079213] DMA32: 
[  226.083439]  ? lock_downgrade+0x900/0x900
[  226.087128] 3*4kB 
[  226.089360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.093660] (ME) 
[  226.095885]  ? refcount_sub_and_test_checked+0x203/0x310
[  226.095901]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  226.100030] 2*8kB 
[  226.102314]  ? addrconf_rs_timer+0x690/0x690
[  226.107823] (ME) 
[  226.109879]  ndisc_alloc_skb+0x144/0x340
[  226.115300] 4*16kB 
[  226.120745]  ndisc_send_rs+0x331/0x6e0
[  226.122870] (UME) 
[  226.127269]  addrconf_rs_timer+0x314/0x690
[  226.129305] 3*32kB 
[  226.133355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.135563] (ME) 
[  226.139452]  call_timer_fn+0x272/0x920
[  226.141578] 5*64kB 
[  226.145809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.148016] (ME) 
[  226.152247]  ? process_timeout+0x40/0x40
[  226.154279] 5*128kB 
[  226.158158]  ? trace_hardirqs_off+0xb8/0x310
[  226.160368] (UME) 
[  226.164609]  ? kasan_check_read+0x11/0x20
[  226.166643] 5*256kB 
[  226.170697]  ? do_raw_spin_unlock+0xa7/0x2f0
[  226.172988] (UME) 
[  226.177391]  ? trace_hardirqs_on+0x310/0x310
[  226.179511] 4*512kB 
[  226.183653]  ? __run_timers+0x7da/0xc70
[  226.185945] (ME) 
[  226.190346]  ? lock_downgrade+0x900/0x900
[  226.192469] 4*1024kB 
[  226.196869]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  226.199172] (UME) 
[  226.203138]  ? trace_hardirqs_on+0xbd/0x310
[  226.205177] 2*2048kB 
[  226.209313]  ? kasan_check_read+0x11/0x20
[  226.211699] (ME) 
[  226.216801]  ? __run_timers+0x7da/0xc70
[  226.218920] 3*4096kB 
[  226.223235]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  226.225612] (M) 
[  226.229752]  ? kasan_check_write+0x14/0x20
[  226.231819] = 24956kB
[  226.236240]  ? do_raw_spin_lock+0xc1/0x200
[  226.238627] Node 0 
[  226.244073]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.246027] Normal: 
[  226.250267]  __run_timers+0x7e5/0xc70
[  226.252655] 1016*4kB 
[  226.256887]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  226.259091] (UME) 
[  226.263319]  ? lock_acquire+0x1ed/0x520
[  226.265623] 447*8kB 
[  226.269412]  ? __hrtimer_run_queues+0x488/0x10d0
[  226.271795] (ME) 
[  226.277158]  ? lock_release+0x970/0x970
[  226.279279] 188*16kB 
[  226.283245]  ? trace_hardirqs_off+0xb8/0x310
[  226.285536] (UME) 
[  226.290290]  ? do_raw_spin_unlock+0xa7/0x2f0
[  226.292326] 54*32kB 
[  226.296291]  ? kasan_check_write+0x14/0x20
[  226.298671] (UME) 
[  226.303078]  ? pvclock_read_flags+0x160/0x160
[  226.305204] 20*64kB 
[  226.309604]  ? lock_downgrade+0x900/0x900
[  226.311899] (UM) 
[  226.316137]  ? trace_hardirqs_on+0xbd/0x310
[  226.318262] 0*128kB 
[  226.322752]  ? kvm_sched_clock_read+0x9/0x20
[  226.325049] 0*256kB 
[  226.329201]  ? irq_exit+0x17f/0x1c0
[  226.331237] 0*512kB 
[  226.335550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.337843] 0*1024kB 
[  226.342240]  ? check_preemption_disabled+0x48/0x200
[  226.344535] 0*2048kB 
[  226.348157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.350450] 0*4096kB 
[  226.355984]  run_timer_softirq+0x52/0xb0
[  226.358367] = 13656kB
[  226.363374]  ? __this_cpu_preempt_check+0x1c/0x1f
[  226.365759] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  226.371279]  __do_softirq+0x30b/0xad8
[  226.373666] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  226.377714]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  226.380094] 4246 total pagecache pages
[  226.384930]  ? pvclock_read_flags+0x160/0x160
[  226.393741] 0 pages in swap cache
[  226.397534]  ? lapic_next_event+0x5a/0x90
[  226.406096] Swap cache stats: add 0, delete 0, find 0/0
[  226.411202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.415075] Free swap  = 0kB
[  226.419585]  ? clockevents_program_event+0x140/0x370
[  226.423003] Total swap = 0kB
[  226.427145]  ? kvm_clock_read+0x18/0x30
[  226.432475] 1965979 pages RAM
[  226.438008]  ? kvm_sched_clock_read+0x9/0x20
[  226.441012] 0 pages HighMem/MovableOnly
[  226.446111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.449109] 342307 pages reserved
[  226.453090]  ? check_preemption_disabled+0x48/0x200
[  226.456165] 0 pages cma reserved
[  226.460567]  irq_exit+0x17f/0x1c0
[  226.464571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.470045]  smp_apic_timer_interrupt+0x1cb/0x760
[  226.473551] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.478485]  ? smp_reschedule_interrupt+0x109/0x650
[  226.481827] ksoftirqd/0 cpuset=
[  226.485271]  ? smp_call_function_single_interrupt+0x650/0x650
[  226.491732] /
[  226.496578]  ? interrupt_entry+0xb5/0xf0
[  226.506879]  mems_allowed=0
[  226.511888]  ? trace_hardirqs_off_caller+0xbb/0x310
[  226.534670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  226.539691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.544556]  ? trace_hardirqs_on_caller+0x310/0x310
[  226.549584]  ? trace_hardirqs_on_caller+0x310/0x310
[  226.554602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.560544]  ? check_preemption_disabled+0x48/0x200
[  226.565575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.570426]  apic_timer_interrupt+0xf/0x20
[  226.574654]  </IRQ>
[  226.576890] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  226.581823] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  226.600721] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  226.608429] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  226.615696] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  226.622964] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  226.630232] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  226.637499] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  226.644787]  ? trace_hardirqs_on+0xb4/0x310
[  226.649122]  skb_clone+0x1bb/0x500
[  226.652664]  ? skb_split+0x11e0/0x11e0
[  226.656555]  ? preempt_notifier_register+0x200/0x200
[  226.661664]  ? __switch_to_asm+0x34/0x70
[  226.665724]  ? __switch_to_asm+0x34/0x70
[  226.669781]  ? __switch_to_asm+0x40/0x70
[  226.673840]  ? __switch_to_asm+0x34/0x70
[  226.677899]  ? __switch_to_asm+0x40/0x70
[  226.681957]  ? __switch_to_asm+0x40/0x70
[  226.686012]  ? __switch_to_asm+0x34/0x70
[  226.690078]  ? __switch_to_asm+0x34/0x70
[  226.694145]  ? __switch_to_asm+0x40/0x70
[  226.698204]  ? __switch_to_asm+0x34/0x70
[  226.702267]  bpf_clone_redirect+0xb9/0x490
[  226.706997]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  226.712012]  ? __sched_text_start+0x8/0x8
[  226.716165]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  226.720921]  ? retint_kernel+0x2d/0x2d
[  226.724805]  ? trace_hardirqs_on_caller+0xc0/0x310
[  226.729738]  ? rcu_gp_kthread+0x2310/0x2310
[  226.734058]  ? trace_hardirqs_off+0x310/0x310
[  226.738576]  ? lock_acquire+0x1ed/0x520
[  226.742550]  ? bpf_test_run+0x3cb/0x780
[  226.746525]  ? lock_downgrade+0x900/0x900
[  226.750672]  ? lock_release+0x970/0x970
[  226.754646]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  226.760457]  ? preempt_schedule_common+0x1f/0xd0
[  226.765215]  ? preempt_schedule+0x4d/0x60
[  226.769363]  ? ___preempt_schedule+0x16/0x18
[  226.773772]  ? bpf_test_run+0x25d/0x780
[  226.777752]  ? netlink_diag_dump+0x2a0/0x2a0
[  226.782162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.787698]  ? bpf_test_init.isra.9+0x70/0x100
[  226.792292]  ? bpf_prog_test_run_skb+0x634/0xb40
[  226.797054]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  226.801917]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  226.807455]  ? fput+0x130/0x1a0
[  226.810733]  ? __bpf_prog_get+0x9b/0x290
[  226.814791]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  226.819627]  ? bpf_prog_test_run+0x130/0x1a0
[  226.824033]  ? __x64_sys_bpf+0x3d8/0x510
[  226.828099]  ? bpf_prog_get+0x20/0x20
[  226.831908]  ? do_syscall_64+0x1b9/0x820
[  226.835971]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  226.841336]  ? syscall_return_slowpath+0x5e0/0x5e0
[  226.846261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.851101]  ? trace_hardirqs_on_caller+0x310/0x310
[  226.856115]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  226.861133]  ? prepare_exit_to_usermode+0x291/0x3b0
[  226.866156]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.871006]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  226.876385] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  226.876433] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.883238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.889805] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.899077] Call Trace:
[  226.909542] syz-executor4 cpuset=syz4
[  226.912125]  dump_stack+0x1c4/0x2b4
[  226.912142]  ? dump_stack_print_info.cold.2+0x52/0x52
[  226.916102]  mems_allowed=0
[  226.919733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.933348]  warn_alloc.cold.119+0xb7/0x1bd
[  226.937691]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.942536]  ? lock_downgrade+0x900/0x900
[  226.946700]  ? trace_hardirqs_off+0xb8/0x310
[  226.951160]  ? trace_hardirqs_off+0xb8/0x310
[  226.955588]  __alloc_pages_slowpath+0x2667/0x2d80
[  226.960449]  ? mark_held_locks+0x130/0x130
[  226.964685]  ? warn_alloc+0x120/0x120
[  226.968483]  ? warn_alloc+0x120/0x120
[  226.972284]  ? warn_alloc+0x120/0x120
[  226.976092]  ? mark_held_locks+0x130/0x130
[  226.980333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.985867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.991406]  ? should_fail+0x22d/0xd01
[  226.995294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.000393]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.005926]  ? should_fail+0x22d/0xd01
[  227.009812]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.014909]  ? should_fail+0x22d/0xd01
[  227.018798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.023897]  ? mark_held_locks+0x130/0x130
[  227.028134]  ? mark_held_locks+0x130/0x130
[  227.032369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.037903]  ? trace_hardirqs_off+0xb8/0x310
[  227.042304]  ? kasan_check_read+0x11/0x20
[  227.046458]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.050865]  ? trace_hardirqs_on+0x310/0x310
[  227.055267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.060804]  ? wq_watchdog_touch+0x9c/0xfe
[  227.065040]  ? io_serial_in+0x11/0x90
[  227.068846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.074388]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  227.079500]  __alloc_pages_nodemask+0xa80/0xde0
[  227.084164]  ? should_fail+0x22d/0xd01
[  227.088052]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  227.093111]  ? ____cache_alloc_node+0x1c7/0x1e0
[  227.097776]  ? lock_downgrade+0x900/0x900
[  227.102386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.107925]  cache_grow_begin+0x91/0x8c0
[  227.111991]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.116408]  fallback_alloc+0x203/0x2e0
[  227.120388]  ____cache_alloc_node+0x1c7/0x1e0
[  227.124887]  kmem_cache_alloc_node+0xe3/0x730
[  227.129378]  ? ipv6_get_ifaddr+0x42e/0x620
[  227.133614]  __alloc_skb+0x119/0x770
[  227.137326]  ? skb_scrub_packet+0x490/0x490
[  227.141661]  ? lock_downgrade+0x900/0x900
[  227.145811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.151350]  ? refcount_sub_and_test_checked+0x203/0x310
[  227.156799]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  227.162247]  ? addrconf_rs_timer+0x690/0x690
[  227.166659]  ndisc_alloc_skb+0x144/0x340
[  227.170723]  ndisc_send_rs+0x331/0x6e0
[  227.174613]  addrconf_rs_timer+0x314/0x690
[  227.178846]  ? lock_release+0x970/0x970
[  227.182828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.187080]  call_timer_fn+0x272/0x920
[  227.190970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.195203]  ? process_timeout+0x40/0x40
[  227.199262]  ? kasan_check_read+0x11/0x20
[  227.203405]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.207823]  ? trace_hardirqs_on+0x310/0x310
[  227.212248]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  227.217007]  ? retint_kernel+0x2d/0x2d
[  227.220904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.225136]  ? trace_hardirqs_on+0x9a/0x310
[  227.229454]  ? trace_hardirqs_on+0xb4/0x310
[  227.233772]  ? _raw_spin_unlock_irq+0x56/0x80
[  227.238262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.242499]  __run_timers+0x7e5/0xc70
[  227.246309]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  227.251677]  ? lock_downgrade+0x900/0x900
[  227.255835]  ? finish_task_switch+0x1b5/0x900
[  227.260328]  ? trace_hardirqs_on+0xbd/0x310
[  227.264648]  ? kasan_check_read+0x11/0x20
[  227.268790]  ? finish_task_switch+0x1f5/0x900
[  227.273283]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  227.278735]  ? compat_start_thread+0x80/0x80
[  227.283152]  ? pvclock_read_flags+0x160/0x160
[  227.287643]  ? __switch_to_asm+0x34/0x70
[  227.291699]  ? __switch_to_asm+0x34/0x70
[  227.295761]  ? __switch_to_asm+0x40/0x70
[  227.299824]  ? __switch_to_asm+0x40/0x70
[  227.303894]  ? __switch_to_asm+0x34/0x70
[  227.307960]  ? __switch_to_asm+0x40/0x70
[  227.312027]  ? trace_hardirqs_on+0xbd/0x310
[  227.316356]  ? kvm_sched_clock_read+0x9/0x20
[  227.320787]  ? run_ksoftirqd+0x94/0x100
[  227.324760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.330293]  ? check_preemption_disabled+0x48/0x200
[  227.335315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.340872]  run_timer_softirq+0x52/0xb0
[  227.344945]  ? __this_cpu_preempt_check+0x1c/0x1f
[  227.349789]  __do_softirq+0x30b/0xad8
[  227.353601]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  227.358708]  ? trace_hardirqs_off+0x310/0x310
[  227.363210]  ? retint_kernel+0x1b/0x2d
[  227.367102]  ? schedule+0x108/0x460
[  227.370748]  ? trace_hardirqs_off+0xb8/0x310
[  227.375154]  ? smpboot_thread_fn+0x68b/0xa00
[  227.379569]  ? trace_hardirqs_on+0x310/0x310
[  227.383981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.389514]  ? check_preemption_disabled+0x48/0x200
[  227.394533]  ? takeover_tasklets+0xa90/0xa90
[  227.398955]  run_ksoftirqd+0x94/0x100
[  227.402777]  smpboot_thread_fn+0x68b/0xa00
[  227.407022]  ? sort_range+0x30/0x30
[  227.410670]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  227.415774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.421308]  ? __kthread_parkme+0xfb/0x1a0
[  227.425552]  kthread+0x35a/0x420
[  227.428920]  ? sort_range+0x30/0x30
[  227.432552]  ? kthread_bind+0x40/0x40
[  227.436352]  ret_from_fork+0x3a/0x50
[  227.440092] warn_alloc_show_mem: 1 callbacks suppressed
[  227.440104] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  227.440106] Mem-Info:
[  227.440143] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  227.440143]  active_file:17 inactive_file:15 isolated_file:0
[  227.440143]  unevictable:0 dirty:0 writeback:0 unstable:0
[  227.440143]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  227.440143]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  227.440143]  free:13630 free_pcp:175 free_cma:0
[  227.445483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  227.452760] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  227.455160] Call Trace:
[  227.488200] Node 0 
[  227.497539]  <IRQ>
[  227.525311] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  227.527875]  dump_stack+0x1c4/0x2b4
[  227.530094] lowmem_reserve[]:
[  227.532237]  ? dump_stack_print_info.cold.2+0x52/0x52
[  227.557718]  0
[  227.561339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.564423]  2819
[  227.569605]  warn_alloc.cold.119+0xb7/0x1bd
[  227.571390]  6323
[  227.576921]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  227.578962]  6323
[  227.583284]  ? lock_downgrade+0x900/0x900
[  227.590209]  ? trace_hardirqs_off+0xb8/0x310
[  227.590238]  ? trace_hardirqs_off+0xb8/0x310
[  227.592283] Node 0 
[  227.596423]  __alloc_pages_slowpath+0x2667/0x2d80
[  227.600827] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  227.605220]  ? warn_alloc+0x120/0x120
[  227.607418] lowmem_reserve[]:
[  227.612250]  ? trace_hardirqs_on+0x310/0x310
[  227.612266]  ? warn_alloc+0x120/0x120
[  227.639220]  0
[  227.643023]  ? warn_alloc+0x120/0x120
[  227.646102]  0
[  227.650500]  ? ktime_get+0x2e1/0x440
[  227.654276]  3503
[  227.656097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.659870]  3503
[  227.661663]  ? check_preemption_disabled+0x48/0x200
[  227.667409]  ? kasan_check_read+0x11/0x20
[  227.672920] Node 0 
[  227.674984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.680002] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  227.684119]  ? should_fail+0x22d/0xd01
[  227.686353] lowmem_reserve[]:
[  227.691894]  ? rcu_bh_qs+0xc0/0xc0
[  227.720577]  0
[  227.724463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.727551]  0
[  227.731095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.732885]  0
[  227.737982]  ? should_fail+0x22d/0xd01
[  227.739759]  0
[  227.745286]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.750955]  ? should_fail+0x22d/0xd01
[  227.752732] Node 0 
[  227.757834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.761696] DMA: 
[  227.763927]  ? mark_held_locks+0x130/0x130
[  227.769004] 1*4kB 
[  227.771069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.775278] (U) 
[  227.777425]  ? mark_held_locks+0x130/0x130
[  227.782951] 0*8kB 
[  227.784922]  ? rcu_irq_exit+0xce/0x100
[  227.789129] 0*16kB 
[  227.791276]  ? irq_exit+0xbd/0x1c0
[  227.795144] 1*32kB 
[  227.797370]  ? mark_held_locks+0x130/0x130
[  227.800882] (U) 
[  227.803110]  ? smp_call_function_single_interrupt+0x650/0x650
[  227.807333] 2*64kB 
[  227.809303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.815163] (U) 
[  227.817394]  ? ret_from_intr+0xb/0x1e
[  227.822908] 1*128kB 
[  227.824872]  ? retint_kernel+0x2d/0x2d
[  227.828669] (U) 
[  227.830989]  ? trace_hardirqs_on_caller+0xc0/0x310
[  227.834854] 1*256kB 
[  227.836824]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  227.841723] (U) 
[  227.844044]  ? trace_hardirqs_off+0x310/0x310
[  227.848776] 0*512kB 
[  227.850901]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  227.855382] 1*1024kB 
[  227.857698]  __alloc_pages_nodemask+0xa80/0xde0
[  227.862771] (U) 
[  227.865178]  ? should_fail+0x22d/0xd01
[  227.869818] 1*2048kB 
[  227.871790]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  227.875653] (M) 
[  227.878072]  ? ____cache_alloc_node+0x1c7/0x1e0
[  227.883068] 3*4096kB 
[  227.885045]  ? lock_downgrade+0x900/0x900
[  227.889683] (M) 
[  227.892096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.896221] = 15908kB
[  227.898202]  cache_grow_begin+0x91/0x8c0
[  227.903715] Node 0 
[  227.906117]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.910160] DMA32: 
[  227.912390]  fallback_alloc+0x203/0x2e0
[  227.916776] 3*4kB 
[  227.919006]  ____cache_alloc_node+0x1c7/0x1e0
[  227.922955] (ME) 
[  227.925103]  kmem_cache_alloc_node+0xe3/0x730
[  227.929579] 2*8kB 
[  227.931635]  ? ipv6_get_ifaddr+0x42e/0x620
[  227.936115] (ME) 
[  227.938259]  __alloc_skb+0x119/0x770
[  227.942473] 4*16kB 
[  227.944520]  ? skb_scrub_packet+0x490/0x490
[  227.948207] (UME) 
[  227.950437]  ? lock_downgrade+0x900/0x900
[  227.954746] 3*32kB 
[  227.956884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.960998] (ME) 
[  227.963236]  ? refcount_sub_and_test_checked+0x203/0x310
[  227.968744] 5*64kB 
[  227.970799]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  227.976229] (ME) 
[  227.978459]  ? addrconf_rs_timer+0x690/0x690
[  227.983881] 5*128kB 
[  227.985941]  ndisc_alloc_skb+0x144/0x340
[  227.990320] (UME) 
[  227.992635]  ndisc_send_rs+0x331/0x6e0
[  227.996672] 5*256kB 
[  227.998821]  addrconf_rs_timer+0x314/0x690
[  228.002678] (UME) 
[  228.004995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.009201] 4*512kB 
[  228.011357]  call_timer_fn+0x272/0x920
[  228.015563] (ME) 
[  228.017879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.021759] 4*1024kB 
[  228.023811]  ? process_timeout+0x40/0x40
[  228.028032] (UME) 
[  228.030437]  ? trace_hardirqs_off+0xb8/0x310
[  228.034490] 2*2048kB 
[  228.036623]  ? kasan_check_read+0x11/0x20
[  228.036638]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.036654]  ? trace_hardirqs_on+0x310/0x310
[  228.041040] (ME) 
[  228.043451]  ? __run_timers+0x7da/0xc70
[  228.047571] 3*4096kB 
[  228.051973]  ? lock_downgrade+0x900/0x900
[  228.056354] (M) 
[  228.058412]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.062355] = 24956kB
[  228.064760]  ? trace_hardirqs_on+0xbd/0x310
[  228.068884] Node 0 
[  228.070856]  ? kasan_check_read+0x11/0x20
[  228.075945] Normal: 
[  228.078346]  ? __run_timers+0x7da/0xc70
[  228.082641] 1016*4kB 
[  228.084868]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  228.088998] (UME) 
[  228.091310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.095264] 447*8kB 
[  228.097664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.103370] (ME) 188*16kB 
[  228.105870]  __run_timers+0x7e5/0xc70
[  228.111376] (UME) 
[  228.113703]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  228.117919] 54*32kB 
[  228.120758]  ? lock_acquire+0x1ed/0x520
[  228.124530] (UME) 
[  228.126671]  ? __hrtimer_run_queues+0x488/0x10d0
[  228.132011] 20*64kB 
[  228.134324]  ? lock_release+0x970/0x970
[  228.138282] (UM) 
[  228.140417]  ? trace_hardirqs_off+0xb8/0x310
[  228.140434]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.145172] 0*128kB 
[  228.147486]  ? kasan_check_write+0x14/0x20
[  228.151430] 0*256kB 
[  228.153483]  ? pvclock_read_flags+0x160/0x160
[  228.157875] 0*512kB 
[  228.162277]  ? lock_downgrade+0x900/0x900
[  228.164578] 0*1024kB 0*2048kB 
[  228.168814]  ? trace_hardirqs_on+0xbd/0x310
[  228.171117] 0*4096kB 
[  228.175613]  ? kvm_sched_clock_read+0x9/0x20
[  228.177914] = 13656kB
[  228.182056]  ? irq_exit+0x17f/0x1c0
[  228.185243] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  228.189986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.192375] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  228.196766]  ? check_preemption_disabled+0x48/0x200
[  228.196786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.199171] 4246 total pagecache pages
[  228.202792]  run_timer_softirq+0x52/0xb0
[  228.211599] 0 pages in swap cache
[  228.217130]  ? __this_cpu_preempt_check+0x1c/0x1f
[  228.225680] Swap cache stats: add 0, delete 0, find 0/0
[  228.230682]  __do_softirq+0x30b/0xad8
[  228.236367] Free swap  = 0kB
[  228.240254]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  228.244283] Total swap = 0kB
[  228.244296] 1965979 pages RAM
[  228.247743]  ? pvclock_read_flags+0x160/0x160
[  228.252557] 0 pages HighMem/MovableOnly
[  228.252566] 342307 pages reserved
[  228.257925]  ? lapic_next_event+0x5a/0x90
[  228.261715] 0 pages cma reserved
[  228.264730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.269877] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.272829]  ? clockevents_program_event+0x140/0x370
[  228.275986] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.280395]  ? kvm_clock_read+0x18/0x30
[  228.284340] ksoftirqd/0 cpuset=
[  228.287780]  ? kvm_sched_clock_read+0x9/0x20
[  228.287798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.291921] /
[  228.295282]  ? check_preemption_disabled+0x48/0x200
[  228.300799]  mems_allowed=0
[  228.307285]  irq_exit+0x17f/0x1c0
[  228.353333]  smp_apic_timer_interrupt+0x1cb/0x760
[  228.358171]  ? smp_reschedule_interrupt+0x109/0x650
[  228.363186]  ? smp_call_function_single_interrupt+0x650/0x650
[  228.369076]  ? interrupt_entry+0xb5/0xf0
[  228.373138]  ? trace_hardirqs_off_caller+0xbb/0x310
[  228.378152]  ? trace_hardirqs_off_caller+0xbb/0x310
[  228.383172]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.388013]  ? trace_hardirqs_on_caller+0x310/0x310
[  228.393025]  ? trace_hardirqs_on_caller+0x310/0x310
[  228.398038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.403587]  ? check_preemption_disabled+0x48/0x200
[  228.408610]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.413457]  apic_timer_interrupt+0xf/0x20
[  228.417685]  </IRQ>
[  228.419924] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  228.424854] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  228.443751] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  228.451458] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  228.458720] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  228.465986] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  228.473248] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  228.480515] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  228.487979]  ? trace_hardirqs_on+0xb4/0x310
[  228.492327]  skb_clone+0x1bb/0x500
[  228.495865]  ? skb_split+0x11e0/0x11e0
[  228.499752]  ? preempt_notifier_register+0x200/0x200
[  228.504855]  ? __switch_to_asm+0x34/0x70
[  228.508912]  ? __switch_to_asm+0x34/0x70
[  228.512973]  ? __switch_to_asm+0x40/0x70
[  228.517027]  ? __switch_to_asm+0x34/0x70
[  228.521098]  ? __switch_to_asm+0x40/0x70
[  228.525161]  ? __switch_to_asm+0x40/0x70
[  228.529223]  ? __switch_to_asm+0x34/0x70
[  228.533284]  ? __switch_to_asm+0x34/0x70
[  228.537344]  ? __switch_to_asm+0x40/0x70
[  228.541403]  ? __switch_to_asm+0x34/0x70
[  228.545464]  bpf_clone_redirect+0xb9/0x490
[  228.549700]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  228.554717]  ? __sched_text_start+0x8/0x8
[  228.558862]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  228.563615]  ? retint_kernel+0x2d/0x2d
[  228.567503]  ? trace_hardirqs_on_caller+0xc0/0x310
[  228.572436]  ? rcu_gp_kthread+0x2310/0x2310
[  228.576757]  ? trace_hardirqs_off+0x310/0x310
[  228.581254]  ? lock_acquire+0x1ed/0x520
[  228.585224]  ? bpf_test_run+0x3cb/0x780
[  228.589196]  ? lock_downgrade+0x900/0x900
[  228.593343]  ? lock_release+0x970/0x970
[  228.597320]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  228.603121]  ? preempt_schedule_common+0x1f/0xd0
[  228.607894]  ? preempt_schedule+0x4d/0x60
[  228.612043]  ? ___preempt_schedule+0x16/0x18
[  228.616466]  ? bpf_test_run+0x25d/0x780
[  228.620448]  ? netlink_diag_dump+0x2a0/0x2a0
[  228.624859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.630391]  ? bpf_test_init.isra.9+0x70/0x100
[  228.634977]  ? bpf_prog_test_run_skb+0x634/0xb40
[  228.639732]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  228.644586]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  228.650120]  ? fput+0x130/0x1a0
[  228.653397]  ? __bpf_prog_get+0x9b/0x290
[  228.657461]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  228.662301]  ? bpf_prog_test_run+0x130/0x1a0
[  228.666705]  ? __x64_sys_bpf+0x3d8/0x510
[  228.670765]  ? bpf_prog_get+0x20/0x20
[  228.674579]  ? do_syscall_64+0x1b9/0x820
[  228.678637]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  228.683998]  ? syscall_return_slowpath+0x5e0/0x5e0
[  228.688923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.693769]  ? trace_hardirqs_on_caller+0x310/0x310
[  228.698784]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  228.703798]  ? prepare_exit_to_usermode+0x291/0x3b0
[  228.708815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.713857]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  228.719237] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  228.719288] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.726085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.726089] Call Trace:
[  228.726107]  dump_stack+0x1c4/0x2b4
[  228.726126]  ? dump_stack_print_info.cold.2+0x52/0x52
[  228.732643] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.741947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.744503] syz-executor4 cpuset=
[  228.748127]  warn_alloc.cold.119+0xb7/0x1bd
[  228.753289] syz4
[  228.763767]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  228.769277]  mems_allowed=0
[  228.773416]  ? lock_downgrade+0x900/0x900
[  228.791551]  ? trace_hardirqs_off+0xb8/0x310
[  228.795963]  ? trace_hardirqs_off+0xb8/0x310
[  228.800379]  __alloc_pages_slowpath+0x2667/0x2d80
[  228.805235]  ? mark_held_locks+0x130/0x130
[  228.809470]  ? warn_alloc+0x120/0x120
[  228.813275]  ? warn_alloc+0x120/0x120
[  228.817089]  ? warn_alloc+0x120/0x120
[  228.820887]  ? mark_held_locks+0x130/0x130
[  228.825127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.830658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.836191]  ? should_fail+0x22d/0xd01
[  228.840091]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.845192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.850729]  ? should_fail+0x22d/0xd01
[  228.854614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.859711]  ? should_fail+0x22d/0xd01
[  228.863597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.868703]  ? mark_held_locks+0x130/0x130
[  228.872934]  ? mark_held_locks+0x130/0x130
[  228.877164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.882706]  ? mark_held_locks+0x130/0x130
[  228.886936]  ? trace_hardirqs_on+0x310/0x310
[  228.891346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.896879]  ? wq_watchdog_touch+0x9c/0xfe
[  228.901114]  ? io_serial_in+0x11/0x90
[  228.904913]  ? retint_kernel+0x2d/0x2d
[  228.908795]  ? trace_hardirqs_on_caller+0xc0/0x310
[  228.913725]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  228.918476]  ? trace_hardirqs_off+0x310/0x310
[  228.922965]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.928087]  __alloc_pages_nodemask+0xa80/0xde0
[  228.932758]  ? should_fail+0x22d/0xd01
[  228.936648]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  228.941678]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.946352]  ? lock_downgrade+0x900/0x900
[  228.950507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.956048]  cache_grow_begin+0x91/0x8c0
[  228.960118]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.964527]  fallback_alloc+0x203/0x2e0
[  228.968501]  ____cache_alloc_node+0x1c7/0x1e0
[  228.973002]  kmem_cache_alloc_node+0xe3/0x730
[  228.977497]  ? ipv6_get_ifaddr+0x42e/0x620
[  228.981734]  __alloc_skb+0x119/0x770
[  228.985447]  ? skb_scrub_packet+0x490/0x490
[  228.989763]  ? lock_downgrade+0x900/0x900
[  228.993913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.999451]  ? refcount_sub_and_test_checked+0x203/0x310
[  229.004900]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  229.010347]  ? addrconf_rs_timer+0x690/0x690
[  229.014777]  ndisc_alloc_skb+0x144/0x340
[  229.018852]  ndisc_send_rs+0x331/0x6e0
[  229.022740]  addrconf_rs_timer+0x314/0x690
[  229.026974]  ? lock_release+0x970/0x970
[  229.030947]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.035190]  call_timer_fn+0x272/0x920
[  229.039084]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.043316]  ? process_timeout+0x40/0x40
[  229.047371]  ? kasan_check_read+0x11/0x20
[  229.051515]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.055920]  ? trace_hardirqs_on+0x310/0x310
[  229.060328]  ? __run_timers+0x7da/0xc70
[  229.064304]  ? lock_downgrade+0x900/0x900
[  229.068452]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  229.073552]  ? trace_hardirqs_on+0xbd/0x310
[  229.077866]  ? kasan_check_read+0x11/0x20
[  229.082013]  ? __run_timers+0x7da/0xc70
[  229.085984]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.091434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.096971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.101205]  __run_timers+0x7e5/0xc70
[  229.105521]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  229.110882]  ? lock_downgrade+0x900/0x900
[  229.115030]  ? finish_task_switch+0x1b5/0x900
[  229.119533]  ? trace_hardirqs_on+0xbd/0x310
[  229.123849]  ? kasan_check_read+0x11/0x20
[  229.127994]  ? finish_task_switch+0x1f5/0x900
[  229.132488]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.137936]  ? compat_start_thread+0x80/0x80
[  229.142355]  ? pvclock_read_flags+0x160/0x160
[  229.146851]  ? __switch_to_asm+0x34/0x70
[  229.150911]  ? __switch_to_asm+0x34/0x70
[  229.154966]  ? __switch_to_asm+0x40/0x70
[  229.159024]  ? __switch_to_asm+0x40/0x70
[  229.163093]  ? __switch_to_asm+0x34/0x70
[  229.167154]  ? __switch_to_asm+0x40/0x70
[  229.171218]  ? trace_hardirqs_on+0xbd/0x310
[  229.175536]  ? kvm_sched_clock_read+0x9/0x20
[  229.179944]  ? run_ksoftirqd+0x94/0x100
[  229.183915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.189449]  ? check_preemption_disabled+0x48/0x200
[  229.194459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.199998]  run_timer_softirq+0x52/0xb0
[  229.204071]  ? __this_cpu_preempt_check+0x1c/0x1f
[  229.208921]  __do_softirq+0x30b/0xad8
[  229.212734]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  229.217838]  ? trace_hardirqs_off+0x310/0x310
[  229.222333]  ? retint_kernel+0x1b/0x2d
[  229.226222]  ? schedule+0x108/0x460
[  229.229857]  ? trace_hardirqs_off+0xb8/0x310
[  229.234267]  ? smpboot_thread_fn+0x68b/0xa00
[  229.238676]  ? trace_hardirqs_on+0x310/0x310
[  229.243099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.248637]  ? check_preemption_disabled+0x48/0x200
[  229.253657]  ? takeover_tasklets+0xa90/0xa90
[  229.258077]  run_ksoftirqd+0x94/0x100
[  229.261882]  smpboot_thread_fn+0x68b/0xa00
[  229.266119]  ? sort_range+0x30/0x30
[  229.269749]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  229.274865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.280404]  ? __kthread_parkme+0xfb/0x1a0
[  229.284639]  kthread+0x35a/0x420
[  229.288004]  ? sort_range+0x30/0x30
[  229.291625]  ? kthread_bind+0x40/0x40
[  229.295430]  ret_from_fork+0x3a/0x50
[  229.299148] warn_alloc_show_mem: 1 callbacks suppressed
[  229.299160] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  229.299162] Mem-Info:
[  229.299193] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  229.299193]  active_file:17 inactive_file:15 isolated_file:0
[  229.299193]  unevictable:0 dirty:0 writeback:0 unstable:0
[  229.299193]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  229.299193]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  229.299193]  free:13630 free_pcp:175 free_cma:0
[  229.304525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  229.311798] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  229.314194] Call Trace:
[  229.347229] Node 0 
[  229.356580]  <IRQ>
[  229.384342] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  229.386899]  dump_stack+0x1c4/0x2b4
[  229.389106] lowmem_reserve[]:
[  229.391249]  ? dump_stack_print_info.cold.2+0x52/0x52
[  229.416721]  0 2819
[  229.420353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.423425]  6323
[  229.428613]  warn_alloc.cold.119+0xb7/0x1bd
[  229.430818]  6323
[  229.436345]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  229.442689]  ? lock_downgrade+0x900/0x900
[  229.444723] Node 0 
[  229.449554]  ? trace_hardirqs_off+0xb8/0x310
[  229.453699] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  229.455906]  ? trace_hardirqs_off+0xb8/0x310
[  229.460285] lowmem_reserve[]:
[  229.487261]  __alloc_pages_slowpath+0x2667/0x2d80
[  229.491637]  0
[  229.494748]  ? warn_alloc+0x120/0x120
[  229.499547]  0
[  229.501342]  ? lock_release+0x970/0x970
[  229.505111]  3503
[  229.506905]  ? warn_alloc+0x120/0x120
[  229.510848]  3503
[  229.512904]  ? trace_hardirqs_on+0x310/0x310
[  229.518734]  ? warn_alloc+0x120/0x120
[  229.523113] Node 0 
[  229.526901]  ? mark_held_locks+0x130/0x130
[  229.526932] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  229.526939] lowmem_reserve[]:
[  229.529171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.533377]  0
[  229.561827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.564902]  0
[  229.570433]  ? should_fail+0x22d/0xd01
[  229.572209]  0
[  229.577735]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.579509]  0
[  229.583386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.590250]  ? should_fail+0x22d/0xd01
[  229.592028] Node 0 
[  229.597558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.601415] DMA: 
[  229.603647]  ? should_fail+0x22d/0xd01
[  229.608724] 1*4kB 
[  229.610778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.614639] (U) 
[  229.616797]  ? mark_held_locks+0x130/0x130
[  229.621872] 0*8kB 
[  229.623837]  ? mark_held_locks+0x130/0x130
[  229.628047] 0*16kB 
[  229.630199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.634403] 1*32kB 
[  229.636632]  ? trace_hardirqs_off+0xb8/0x310
[  229.642145] (U) 
[  229.644376]  ? kasan_check_read+0x11/0x20
[  229.648754] 2*64kB 
[  229.650727]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.654841] (U) 
[  229.657085]  ? trace_hardirqs_on+0x310/0x310
[  229.661468] 1*128kB 
[  229.663456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.667831] (U) 
[  229.670150]  ? wq_watchdog_touch+0x9c/0xfe
[  229.675660] 1*256kB 
[  229.677631]  ? io_serial_in+0x11/0x90
[  229.681833] (U) 
[  229.684156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.687928] 0*512kB 
[  229.689900]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  229.695410] 1*1024kB 
[  229.697727]  __alloc_pages_nodemask+0xa80/0xde0
[  229.702798] (U) 
[  229.705203]  ? should_fail+0x22d/0xd01
[  229.709844] 1*2048kB 
[  229.711822]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  229.715675] (M) 
[  229.718101]  ? ____cache_alloc_node+0x1c7/0x1e0
[  229.723092] 3*4096kB 
[  229.725076]  ? lock_downgrade+0x900/0x900
[  229.729722] (M) 
[  229.732129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.736249] = 15908kB
[  229.738228]  cache_grow_begin+0x91/0x8c0
[  229.743735] Node 0 
[  229.746140]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.750167] DMA32: 
[  229.752404]  fallback_alloc+0x203/0x2e0
[  229.756783] 3*4kB 
[  229.759020]  ____cache_alloc_node+0x1c7/0x1e0
[  229.762958] (ME) 
[  229.765105]  kmem_cache_alloc_node+0xe3/0x730
[  229.769566] 2*8kB 
[  229.771630]  ? ipv6_get_ifaddr+0x42e/0x620
[  229.776099] (ME) 
[  229.778243]  __alloc_skb+0x119/0x770
[  229.782449] 4*16kB 
[  229.784509]  ? skb_scrub_packet+0x490/0x490
[  229.788189] (UME) 
[  229.790424]  ? lock_downgrade+0x900/0x900
[  229.794714] 3*32kB 
[  229.796859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.800970] (ME) 
[  229.803208]  ? refcount_sub_and_test_checked+0x203/0x310
[  229.808716] 5*64kB 
[  229.810771]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  229.816188] (ME) 
[  229.818420]  ? addrconf_rs_timer+0x690/0x690
[  229.823843] 5*128kB 
[  229.825901]  ndisc_alloc_skb+0x144/0x340
[  229.830279] (UME) 
[  229.832598]  ndisc_send_rs+0x331/0x6e0
[  229.836630] 5*256kB 
[  229.838770]  addrconf_rs_timer+0x314/0x690
[  229.842630] (UME) 
[  229.844943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.849148] 4*512kB 
[  229.851298]  call_timer_fn+0x272/0x920
[  229.855508] (ME) 
[  229.857826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.861684] 4*1024kB 
[  229.863744]  ? process_timeout+0x40/0x40
[  229.867949] (UME) 
[  229.870352]  ? trace_hardirqs_off+0xb8/0x310
[  229.874385] 2*2048kB 
[  229.876523]  ? kasan_check_read+0x11/0x20
[  229.880903] (ME) 
[  229.883305]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.887422] 3*4096kB 
[  229.889476]  ? trace_hardirqs_on+0x310/0x310
[  229.893853] (M) 
[  229.896266]  ? __run_timers+0x7da/0xc70
[  229.900641] = 24956kB
[  229.902609]  ? lock_downgrade+0x900/0x900
[  229.906551] Node 0 
[  229.908958]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  229.913080] Normal: 
[  229.915312]  ? trace_hardirqs_on+0xbd/0x310
[  229.920383] 1016*4kB 
[  229.922695]  ? kasan_check_read+0x11/0x20
[  229.922711]  ? __run_timers+0x7da/0xc70
[  229.922729]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.927033] (UME) 
[  229.929435]  ? kasan_check_write+0x14/0x20
[  229.933556] 447*8kB 
[  229.937528]  ? do_raw_spin_lock+0xc1/0x200
[  229.942946] (ME) 
[  229.945097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.949302] 188*16kB 
[  229.951623]  __run_timers+0x7e5/0xc70
[  229.955822] (UME) 
[  229.957890]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  229.962097] 54*32kB 
[  229.964499]  ? lock_acquire+0x1ed/0x520
[  229.968266] (UME) 
[  229.970409]  ? __hrtimer_run_queues+0x488/0x10d0
[  229.975741] 20*64kB (UM) 
[  229.978073]  ? lock_release+0x970/0x970
[  229.982021] 0*128kB 
[  229.984166]  ? trace_hardirqs_off+0xb8/0x310
[  229.988900] 0*256kB 
[  229.991651]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.995592] 0*512kB 
[  229.997909]  ? kasan_check_write+0x14/0x20
[  230.002293] 0*1024kB 
[  230.004614]  ? pvclock_read_flags+0x160/0x160
[  230.008991] 0*2048kB 
[  230.011307]  ? lock_downgrade+0x900/0x900
[  230.015514] 0*4096kB 
[  230.017914]  ? trace_hardirqs_on+0xbd/0x310
[  230.022378] = 13656kB
[  230.024781]  ? kvm_sched_clock_read+0x9/0x20
[  230.028908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  230.031303]  ? irq_exit+0x17f/0x1c0
[  230.035604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  230.038006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.042386] 4246 total pagecache pages
[  230.051214]  ? check_preemption_disabled+0x48/0x200
[  230.054825] 0 pages in swap cache
[  230.063409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.068925] Swap cache stats: add 0, delete 0, find 0/0
[  230.072803]  run_timer_softirq+0x52/0xb0
[  230.077791] Free swap  = 0kB
[  230.081232]  ? __this_cpu_preempt_check+0x1c/0x1f
[  230.086742] Total swap = 0kB
[  230.092103]  __do_softirq+0x30b/0xad8
[  230.096135] 1965979 pages RAM
[  230.099143]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  230.104468] 0 pages HighMem/MovableOnly
[  230.104477] 342307 pages reserved
[  230.107495]  ? pvclock_read_flags+0x160/0x160
[  230.111266] 0 pages cma reserved
[  230.114360]  ? lapic_next_event+0x5a/0x90
[  230.119486] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  230.123398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.126888] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  230.131310]  ? clockevents_program_event+0x140/0x370
[  230.134647] ksoftirqd/0 cpuset=
[  230.138789]  ? kvm_clock_read+0x18/0x30
[  230.145249] /
[  230.150784]  ? kvm_sched_clock_read+0x9/0x20
[  230.161077]  mems_allowed=0
[  230.166168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.187907]  ? check_preemption_disabled+0x48/0x200
[  230.192931]  irq_exit+0x17f/0x1c0
[  230.196382]  smp_apic_timer_interrupt+0x1cb/0x760
[  230.201219]  ? smp_reschedule_interrupt+0x109/0x650
[  230.206232]  ? smp_call_function_single_interrupt+0x650/0x650
[  230.212115]  ? interrupt_entry+0xb5/0xf0
[  230.216173]  ? trace_hardirqs_off_caller+0xbb/0x310
[  230.221183]  ? trace_hardirqs_off_caller+0xbb/0x310
[  230.226195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.231033]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.236498]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.241513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.247047]  ? check_preemption_disabled+0x48/0x200
[  230.252079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.256927]  apic_timer_interrupt+0xf/0x20
[  230.261150]  </IRQ>
[  230.263386] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  230.268312] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  230.287205] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  230.294910] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  230.302177] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  230.309444] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  230.316711] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  230.323975] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  230.331258]  ? trace_hardirqs_on+0xb4/0x310
[  230.335593]  skb_clone+0x1bb/0x500
[  230.339132]  ? skb_split+0x11e0/0x11e0
[  230.343022]  ? preempt_notifier_register+0x200/0x200
[  230.348126]  ? __switch_to_asm+0x34/0x70
[  230.352183]  ? __switch_to_asm+0x34/0x70
[  230.356247]  ? __switch_to_asm+0x40/0x70
[  230.360305]  ? __switch_to_asm+0x34/0x70
[  230.364365]  ? __switch_to_asm+0x40/0x70
[  230.368424]  ? __switch_to_asm+0x40/0x70
[  230.372515]  ? __switch_to_asm+0x34/0x70
[  230.376581]  ? __switch_to_asm+0x34/0x70
[  230.380637]  ? __switch_to_asm+0x40/0x70
[  230.384692]  ? __switch_to_asm+0x34/0x70
[  230.388775]  bpf_clone_redirect+0xb9/0x490
[  230.393024]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  230.398040]  ? __sched_text_start+0x8/0x8
[  230.402192]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  230.406963]  ? retint_kernel+0x2d/0x2d
[  230.410846]  ? trace_hardirqs_on_caller+0xc0/0x310
[  230.415779]  ? rcu_gp_kthread+0x2310/0x2310
[  230.420102]  ? trace_hardirqs_off+0x310/0x310
[  230.424602]  ? lock_acquire+0x1ed/0x520
[  230.428581]  ? bpf_test_run+0x3cb/0x780
[  230.432554]  ? lock_downgrade+0x900/0x900
[  230.436705]  ? lock_release+0x970/0x970
[  230.440681]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  230.446477]  ? preempt_schedule_common+0x1f/0xd0
[  230.451229]  ? preempt_schedule+0x4d/0x60
[  230.455373]  ? ___preempt_schedule+0x16/0x18
[  230.459787]  ? bpf_test_run+0x25d/0x780
[  230.463763]  ? netlink_diag_dump+0x2a0/0x2a0
[  230.468172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.473705]  ? bpf_test_init.isra.9+0x70/0x100
[  230.478291]  ? bpf_prog_test_run_skb+0x634/0xb40
[  230.483048]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  230.487896]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  230.493435]  ? fput+0x130/0x1a0
[  230.496714]  ? __bpf_prog_get+0x9b/0x290
[  230.500776]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  230.505616]  ? bpf_prog_test_run+0x130/0x1a0
[  230.510025]  ? __x64_sys_bpf+0x3d8/0x510
[  230.514086]  ? bpf_prog_get+0x20/0x20
[  230.517901]  ? do_syscall_64+0x1b9/0x820
[  230.521965]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  230.527325]  ? syscall_return_slowpath+0x5e0/0x5e0
[  230.532250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.537097]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.542114]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  230.547131]  ? prepare_exit_to_usermode+0x291/0x3b0
[  230.552148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.556994]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  230.562370] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  230.562422] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  230.569212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  230.569216] Call Trace:
[  230.569237]  dump_stack+0x1c4/0x2b4
[  230.569257]  ? dump_stack_print_info.cold.2+0x52/0x52
[  230.575800] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  230.585086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.587636] syz-executor4 cpuset=
[  230.591254]  warn_alloc.cold.119+0xb7/0x1bd
[  230.596414] syz4
[  230.606888]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  230.612398]  mems_allowed=0
[  230.615841]  ? lock_downgrade+0x900/0x900
[  230.633972]  ? trace_hardirqs_off+0xb8/0x310
[  230.638459]  ? trace_hardirqs_off+0xb8/0x310
[  230.642871]  __alloc_pages_slowpath+0x2667/0x2d80
[  230.647747]  ? mark_held_locks+0x130/0x130
[  230.652013]  ? warn_alloc+0x120/0x120
[  230.655813]  ? warn_alloc+0x120/0x120
[  230.659616]  ? warn_alloc+0x120/0x120
[  230.663415]  ? mark_held_locks+0x130/0x130
[  230.667651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.673190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.678727]  ? should_fail+0x22d/0xd01
[  230.682613]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.687713]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.693247]  ? should_fail+0x22d/0xd01
[  230.697133]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.702233]  ? should_fail+0x22d/0xd01
[  230.706121]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.711224]  ? mark_held_locks+0x130/0x130
[  230.715474]  ? mark_held_locks+0x130/0x130
[  230.719720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.725253]  ? trace_hardirqs_off+0xb8/0x310
[  230.729655]  ? kasan_check_read+0x11/0x20
[  230.733798]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.738202]  ? trace_hardirqs_on+0x310/0x310
[  230.742603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.748133]  ? wq_watchdog_touch+0x9c/0xfe
[  230.752366]  ? io_serial_in+0x11/0x90
[  230.756165]  ? retint_kernel+0x2d/0x2d
[  230.760049]  ? trace_hardirqs_on_caller+0xc0/0x310
[  230.764988]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  230.769739]  ? trace_hardirqs_off+0x310/0x310
[  230.774234]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.779344]  __alloc_pages_nodemask+0xa80/0xde0
[  230.784014]  ? should_fail+0x22d/0xd01
[  230.787902]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  230.792931]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.797598]  ? lock_downgrade+0x900/0x900
[  230.801751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.807286]  cache_grow_begin+0x91/0x8c0
[  230.811344]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.815754]  fallback_alloc+0x203/0x2e0
[  230.819728]  ____cache_alloc_node+0x1c7/0x1e0
[  230.824225]  kmem_cache_alloc_node+0xe3/0x730
[  230.828717]  ? ipv6_get_ifaddr+0x42e/0x620
[  230.832958]  __alloc_skb+0x119/0x770
[  230.836674]  ? skb_scrub_packet+0x490/0x490
[  230.840990]  ? lock_downgrade+0x900/0x900
[  230.845139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.850675]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.856138]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.861586]  ? addrconf_rs_timer+0x690/0x690
[  230.866050]  ndisc_alloc_skb+0x144/0x340
[  230.870136]  ndisc_send_rs+0x331/0x6e0
[  230.874023]  addrconf_rs_timer+0x314/0x690
[  230.878257]  ? lock_release+0x970/0x970
[  230.882226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.886466]  call_timer_fn+0x272/0x920
[  230.890354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.894585]  ? process_timeout+0x40/0x40
[  230.898641]  ? kasan_check_read+0x11/0x20
[  230.902812]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.907222]  ? trace_hardirqs_on+0x310/0x310
[  230.911633]  ? __run_timers+0x7da/0xc70
[  230.915607]  ? lock_downgrade+0x900/0x900
[  230.919757]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.924856]  ? trace_hardirqs_on+0xbd/0x310
[  230.929177]  ? kasan_check_read+0x11/0x20
[  230.933320]  ? __run_timers+0x7da/0xc70
[  230.937292]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.942737]  ? kasan_check_write+0x14/0x20
[  230.946968]  ? do_raw_spin_lock+0xc1/0x200
[  230.951202]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.955437]  __run_timers+0x7e5/0xc70
[  230.959246]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  230.964606]  ? lock_downgrade+0x900/0x900
[  230.968754]  ? finish_task_switch+0x1b5/0x900
[  230.973253]  ? trace_hardirqs_on+0xbd/0x310
[  230.977569]  ? kasan_check_read+0x11/0x20
[  230.981712]  ? finish_task_switch+0x1f5/0x900
[  230.986205]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.991652]  ? compat_start_thread+0x80/0x80
[  230.996080]  ? pvclock_read_flags+0x160/0x160
[  231.000575]  ? __switch_to_asm+0x34/0x70
[  231.004649]  ? __switch_to_asm+0x34/0x70
[  231.008720]  ? __switch_to_asm+0x40/0x70
[  231.012780]  ? __switch_to_asm+0x40/0x70
[  231.016836]  ? __switch_to_asm+0x34/0x70
[  231.020893]  ? __switch_to_asm+0x40/0x70
[  231.024952]  ? trace_hardirqs_on+0xbd/0x310
[  231.029289]  ? kvm_sched_clock_read+0x9/0x20
[  231.033698]  ? run_ksoftirqd+0x94/0x100
[  231.037679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.043214]  ? check_preemption_disabled+0x48/0x200
[  231.048225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.053761]  run_timer_softirq+0x52/0xb0
[  231.057816]  ? __this_cpu_preempt_check+0x1c/0x1f
[  231.062653]  __do_softirq+0x30b/0xad8
[  231.066454]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  231.071555]  ? trace_hardirqs_off+0x310/0x310
[  231.076049]  ? retint_kernel+0x1b/0x2d
[  231.079946]  ? schedule+0x108/0x460
[  231.083578]  ? trace_hardirqs_off+0xb8/0x310
[  231.087983]  ? smpboot_thread_fn+0x68b/0xa00
[  231.092390]  ? trace_hardirqs_on+0x310/0x310
[  231.096806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.102822]  ? check_preemption_disabled+0x48/0x200
[  231.107843]  ? takeover_tasklets+0xa90/0xa90
[  231.112248]  run_ksoftirqd+0x94/0x100
[  231.116050]  smpboot_thread_fn+0x68b/0xa00
[  231.120302]  ? sort_range+0x30/0x30
[  231.123926]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  231.129028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.134566]  ? __kthread_parkme+0xfb/0x1a0
[  231.138804]  kthread+0x35a/0x420
[  231.142170]  ? sort_range+0x30/0x30
[  231.145794]  ? kthread_bind+0x40/0x40
[  231.149593]  ret_from_fork+0x3a/0x50
[  231.153314] warn_alloc_show_mem: 1 callbacks suppressed
[  231.153326] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  231.153328] Mem-Info:
[  231.153359] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  231.153359]  active_file:17 inactive_file:15 isolated_file:0
[  231.153359]  unevictable:0 dirty:0 writeback:0 unstable:0
[  231.153359]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  231.153359]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  231.153359]  free:13630 free_pcp:175 free_cma:0
[  231.158695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  231.165974] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  231.168367] Call Trace:
[  231.201411] Node 0 
[  231.210759]  <IRQ>
[  231.238529] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  231.241098]  dump_stack+0x1c4/0x2b4
[  231.243307] lowmem_reserve[]:
[  231.245450]  ? dump_stack_print_info.cold.2+0x52/0x52
[  231.270929]  0
[  231.274552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.277624]  2819
[  231.282811]  warn_alloc.cold.119+0xb7/0x1bd
[  231.284586]  6323
[  231.290122]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  231.292164]  6323
[  231.296477]  ? lock_downgrade+0x900/0x900
[  231.303343]  ? trace_hardirqs_off+0xb8/0x310
[  231.305377] Node 0 
[  231.309517]  ? trace_hardirqs_off+0xb8/0x310
[  231.313935] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  231.316143]  __alloc_pages_slowpath+0x2667/0x2d80
[  231.320522] lowmem_reserve[]:
[  231.347513]  ? warn_alloc+0x120/0x120
[  231.352314]  0
[  231.355414]  ? trace_hardirqs_on+0x310/0x310
[  231.359184]  0
[  231.360979]  ? warn_alloc+0x120/0x120
[  231.365359]  3503
[  231.367156]  ? warn_alloc+0x120/0x120
[  231.370930]  3503
[  231.372983]  ? ktime_get+0x2e1/0x440
[  231.378815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.382502] Node 0 
[  231.388022]  ? check_preemption_disabled+0x48/0x200
[  231.388057] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  231.390262]  ? kasan_check_read+0x11/0x20
[  231.395248] lowmem_reserve[]:
[  231.423715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.427833]  0
[  231.430936]  ? should_fail+0x22d/0xd01
[  231.436442]  0
[  231.438242]  ? rcu_bh_qs+0xc0/0xc0
[  231.442100]  0
[  231.443898]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.447404]  0
[  231.449200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.456077]  ? should_fail+0x22d/0xd01
[  231.461594] Node 0 DMA: 
[  231.465474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.465490]  ? should_fail+0x22d/0xd01
[  231.468138] 1*4kB 
[  231.473236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.477105] (U) 
[  231.479248]  ? mark_held_locks+0x130/0x130
[  231.484346] 0*8kB 
[  231.486327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.490542] 0*16kB 
[  231.492704]  ? mark_held_locks+0x130/0x130
[  231.498235] 1*32kB 
[  231.500470]  ? rcu_irq_exit+0xce/0x100
[  231.504669] (U) 
[  231.506903]  ? irq_exit+0xbd/0x1c0
[  231.510758] 2*64kB 
[  231.512726]  ? mark_held_locks+0x130/0x130
[  231.516232] (U) 
[  231.518462]  ? smp_call_function_single_interrupt+0x650/0x650
[  231.522659] 1*128kB (U) 
[  231.524641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.530493] 1*256kB 
[  231.533158]  ? ret_from_intr+0xb/0x1e
[  231.538667] (U) 
[  231.540984]  ? retint_kernel+0x2d/0x2d
[  231.544758] 0*512kB 
[  231.546740]  ? trace_hardirqs_on_caller+0xc0/0x310
[  231.550597] 1*1024kB 
[  231.552914]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.557812] (U) 
[  231.560212]  ? trace_hardirqs_off+0x310/0x310
[  231.564942] 1*2048kB 
[  231.566910]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  231.571371] (M) 
[  231.573780]  __alloc_pages_nodemask+0xa80/0xde0
[  231.578849] 3*4096kB 
[  231.580864]  ? should_fail+0x22d/0xd01
[  231.585504] (M) 
[  231.587912]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  231.591767] = 15908kB
[  231.593754]  ? ____cache_alloc_node+0x1c7/0x1e0
[  231.598728] Node 0 
[  231.601135]  ? lock_downgrade+0x900/0x900
[  231.605772] DMA32: 
[  231.608004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.612122] 3*4kB 
[  231.614353]  cache_grow_begin+0x91/0x8c0
[  231.619861] (ME) 
[  231.622007]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.626039] 2*8kB 
[  231.628102]  fallback_alloc+0x203/0x2e0
[  231.632481] (ME) 
[  231.634625]  ____cache_alloc_node+0x1c7/0x1e0
[  231.638570] 4*16kB 
[  231.640634]  kmem_cache_alloc_node+0xe3/0x730
[  231.645100] (UME) 
[  231.647328]  ? ipv6_get_ifaddr+0x42e/0x620
[  231.651793] 3*32kB 
[  231.653940]  __alloc_skb+0x119/0x770
[  231.658142] (ME) 
[  231.660376]  ? skb_scrub_packet+0x490/0x490
[  231.664059] 5*64kB 
[  231.666122]  ? lock_downgrade+0x900/0x900
[  231.670411] (ME) 
[  231.672645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.676761] 5*128kB 
[  231.678820]  ? refcount_sub_and_test_checked+0x203/0x310
[  231.684328] (UME) 
[  231.686647]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  231.692083] 5*256kB 
[  231.694225]  ? addrconf_rs_timer+0x690/0x690
[  231.699650] (UME) 
[  231.701974]  ndisc_alloc_skb+0x144/0x340
[  231.706352] 4*512kB 
[  231.708496]  ndisc_send_rs+0x331/0x6e0
[  231.712523] (ME) 
[  231.714842]  addrconf_rs_timer+0x314/0x690
[  231.718698] 4*1024kB 
[  231.720753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.724960] (UME) 
[  231.727367]  call_timer_fn+0x272/0x920
[  231.731570] 2*2048kB 
[  231.733716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.737571] (ME) 
[  231.739981]  ? process_timeout+0x40/0x40
[  231.744184] 3*4096kB 
[  231.746242]  ? trace_hardirqs_off+0xb8/0x310
[  231.750271] (M) 
[  231.752678]  ? kasan_check_read+0x11/0x20
[  231.757072] = 24956kB
[  231.759040]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.763157] Node 0 
[  231.765562]  ? trace_hardirqs_on+0x310/0x310
[  231.769939] Normal: 
[  231.772171]  ? __run_timers+0x7da/0xc70
[  231.776547] 1016*4kB 
[  231.778863]  ? lock_downgrade+0x900/0x900
[  231.782809] (UME) 
[  231.785220]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  231.789376] 447*8kB 
[  231.791518]  ? trace_hardirqs_on+0xbd/0x310
[  231.796590] (ME) 
[  231.798912]  ? kasan_check_read+0x11/0x20
[  231.803204] 188*16kB 
[  231.805264]  ? __run_timers+0x7da/0xc70
[  231.809379] (UME) 
[  231.811784]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  231.815728] 54*32kB 
[  231.817874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.823292] (UME) 
[  231.825608]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.831133] 20*64kB 
[  231.833284]  __run_timers+0x7e5/0xc70
[  231.837486] (UM) 
[  231.839810]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  231.843576] 0*128kB 
[  231.845643]  ? lock_acquire+0x1ed/0x520
[  231.850981] 0*256kB 
[  231.853302]  ? __hrtimer_run_queues+0x488/0x10d0
[  231.857245] 0*512kB 
[  231.859567]  ? lock_release+0x970/0x970
[  231.864294] 0*1024kB 
[  231.866611]  ? trace_hardirqs_off+0xb8/0x310
[  231.870559] 0*2048kB 
[  231.872973]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.877354] 0*4096kB 
[  231.879764]  ? kasan_check_write+0x14/0x20
[  231.884140] = 13656kB
[  231.886549]  ? pvclock_read_flags+0x160/0x160
[  231.890779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  231.893175]  ? lock_downgrade+0x900/0x900
[  231.897649] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  231.906470]  ? trace_hardirqs_on+0xbd/0x310
[  231.910589] 4246 total pagecache pages
[  231.919157]  ? kvm_sched_clock_read+0x9/0x20
[  231.923446] 0 pages in swap cache
[  231.927328]  ? irq_exit+0x17f/0x1c0
[  231.931707] Swap cache stats: add 0, delete 0, find 0/0
[  231.935147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.938743] Free swap  = 0kB
[  231.944104]  ? check_preemption_disabled+0x48/0x200
[  231.949612] Total swap = 0kB
[  231.952623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.957614] 1965979 pages RAM
[  231.960626]  run_timer_softirq+0x52/0xb0
[  231.966132] 0 pages HighMem/MovableOnly
[  231.969229]  ? __this_cpu_preempt_check+0x1c/0x1f
[  231.973262] 342307 pages reserved
[  231.977228]  __do_softirq+0x30b/0xad8
[  231.982047] 0 pages cma reserved
[  231.985506]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  231.989340] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.992636]  ? pvclock_read_flags+0x160/0x160
[  231.997782] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  232.004201]  ? lapic_next_event+0x5a/0x90
[  232.008668] ksoftirqd/0 cpuset=
[  232.018970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.023100] /
[  232.026370]  ? clockevents_program_event+0x140/0x370
[  232.031881]  mems_allowed=0
[  232.033590]  ? kvm_clock_read+0x18/0x30
[  232.045549]  ? kvm_sched_clock_read+0x9/0x20
[  232.049962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.055501]  ? check_preemption_disabled+0x48/0x200
[  232.060525]  irq_exit+0x17f/0x1c0
[  232.063979]  smp_apic_timer_interrupt+0x1cb/0x760
[  232.068815]  ? smp_reschedule_interrupt+0x109/0x650
[  232.073826]  ? smp_call_function_single_interrupt+0x650/0x650
[  232.079709]  ? interrupt_entry+0xb5/0xf0
[  232.083767]  ? trace_hardirqs_off_caller+0xbb/0x310
[  232.088778]  ? trace_hardirqs_off_caller+0xbb/0x310
[  232.093794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.098636]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.103848]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.108864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.114401]  ? check_preemption_disabled+0x48/0x200
[  232.119421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.124269]  apic_timer_interrupt+0xf/0x20
[  232.128491]  </IRQ>
[  232.130727] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  232.135655] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  232.154553] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  232.162260] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  232.169521] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  232.176786] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  232.184053] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  232.191326] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  232.198607]  ? trace_hardirqs_on+0xb4/0x310
[  232.202943]  skb_clone+0x1bb/0x500
[  232.206486]  ? skb_split+0x11e0/0x11e0
[  232.210375]  ? preempt_notifier_register+0x200/0x200
[  232.215474]  ? __switch_to_asm+0x34/0x70
[  232.219532]  ? __switch_to_asm+0x34/0x70
[  232.223592]  ? __switch_to_asm+0x40/0x70
[  232.227649]  ? __switch_to_asm+0x34/0x70
[  232.231706]  ? __switch_to_asm+0x40/0x70
[  232.236248]  ? __switch_to_asm+0x40/0x70
[  232.240309]  ? __switch_to_asm+0x34/0x70
[  232.244383]  ? __switch_to_asm+0x34/0x70
[  232.248444]  ? __switch_to_asm+0x40/0x70
[  232.252502]  ? __switch_to_asm+0x34/0x70
[  232.256560]  bpf_clone_redirect+0xb9/0x490
[  232.260801]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  232.265815]  ? __sched_text_start+0x8/0x8
[  232.269960]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  232.274715]  ? retint_kernel+0x2d/0x2d
[  232.278602]  ? trace_hardirqs_on_caller+0xc0/0x310
[  232.283532]  ? rcu_gp_kthread+0x2310/0x2310
[  232.287853]  ? trace_hardirqs_off+0x310/0x310
[  232.292355]  ? lock_acquire+0x1ed/0x520
[  232.296328]  ? bpf_test_run+0x3cb/0x780
[  232.300302]  ? lock_downgrade+0x900/0x900
[  232.304451]  ? lock_release+0x970/0x970
[  232.308426]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.314226]  ? preempt_schedule_common+0x1f/0xd0
[  232.318977]  ? preempt_schedule+0x4d/0x60
[  232.323121]  ? ___preempt_schedule+0x16/0x18
[  232.327530]  ? bpf_test_run+0x25d/0x780
[  232.331511]  ? netlink_diag_dump+0x2a0/0x2a0
[  232.335917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.341451]  ? bpf_test_init.isra.9+0x70/0x100
[  232.346033]  ? bpf_prog_test_run_skb+0x634/0xb40
[  232.350788]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  232.355626]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  232.361157]  ? fput+0x130/0x1a0
[  232.364437]  ? __bpf_prog_get+0x9b/0x290
[  232.368496]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  232.373332]  ? bpf_prog_test_run+0x130/0x1a0
[  232.377741]  ? __x64_sys_bpf+0x3d8/0x510
[  232.381798]  ? bpf_prog_get+0x20/0x20
[  232.385610]  ? do_syscall_64+0x1b9/0x820
[  232.389674]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  232.395041]  ? syscall_return_slowpath+0x5e0/0x5e0
[  232.399980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.404823]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.409838]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  232.414851]  ? prepare_exit_to_usermode+0x291/0x3b0
[  232.419866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.424716]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  232.430099] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  232.430158] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  232.436940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.436944] Call Trace:
[  232.436962]  dump_stack+0x1c4/0x2b4
[  232.436979]  ? dump_stack_print_info.cold.2+0x52/0x52
[  232.443497] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  232.452795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.455349] syz-executor4 cpuset=
[  232.458968]  warn_alloc.cold.119+0xb7/0x1bd
[  232.464134] syz4
[  232.474617]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  232.480138]  mems_allowed=0
[  232.483575]  ? lock_downgrade+0x900/0x900
[  232.501729]  ? trace_hardirqs_off+0xb8/0x310
[  232.506142]  ? trace_hardirqs_off+0xb8/0x310
[  232.510565]  __alloc_pages_slowpath+0x2667/0x2d80
[  232.515429]  ? mark_held_locks+0x130/0x130
[  232.519669]  ? warn_alloc+0x120/0x120
[  232.523468]  ? warn_alloc+0x120/0x120
[  232.527276]  ? warn_alloc+0x120/0x120
[  232.531093]  ? mark_held_locks+0x130/0x130
[  232.535332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.540865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.546397]  ? should_fail+0x22d/0xd01
[  232.550285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.555384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.560915]  ? should_fail+0x22d/0xd01
[  232.564805]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.569906]  ? should_fail+0x22d/0xd01
[  232.573794]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.578899]  ? mark_held_locks+0x130/0x130
[  232.583132]  ? mark_held_locks+0x130/0x130
[  232.587363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.592905]  ? trace_hardirqs_off+0xb8/0x310
[  232.597315]  ? kasan_check_read+0x11/0x20
[  232.601463]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.605871]  ? trace_hardirqs_on+0x310/0x310
[  232.610279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.615819]  ? wq_watchdog_touch+0x9c/0xfe
[  232.620058]  ? io_serial_in+0x11/0x90
[  232.623874]  ? retint_kernel+0x2d/0x2d
[  232.627787]  ? trace_hardirqs_on_caller+0xc0/0x310
[  232.632716]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  232.637472]  ? trace_hardirqs_off+0x310/0x310
[  232.641963]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.647086]  __alloc_pages_nodemask+0xa80/0xde0
[  232.651756]  ? should_fail+0x22d/0xd01
[  232.655647]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  232.660675]  ? ____cache_alloc_node+0x1c7/0x1e0
[  232.665348]  ? lock_downgrade+0x900/0x900
[  232.669497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.675036]  cache_grow_begin+0x91/0x8c0
[  232.679112]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.683526]  fallback_alloc+0x203/0x2e0
[  232.687501]  ____cache_alloc_node+0x1c7/0x1e0
[  232.692001]  kmem_cache_alloc_node+0xe3/0x730
[  232.696491]  ? ipv6_get_ifaddr+0x42e/0x620
[  232.700732]  __alloc_skb+0x119/0x770
[  232.704445]  ? skb_scrub_packet+0x490/0x490
[  232.708767]  ? lock_downgrade+0x900/0x900
[  232.712917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.718454]  ? refcount_sub_and_test_checked+0x203/0x310
[  232.723924]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  232.729381]  ? addrconf_rs_timer+0x690/0x690
[  232.733795]  ndisc_alloc_skb+0x144/0x340
[  232.737855]  ndisc_send_rs+0x331/0x6e0
[  232.741748]  addrconf_rs_timer+0x314/0x690
[  232.745980]  ? lock_release+0x970/0x970
[  232.749955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.754196]  call_timer_fn+0x272/0x920
[  232.758091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.762331]  ? process_timeout+0x40/0x40
[  232.766386]  ? kasan_check_read+0x11/0x20
[  232.770533]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.774938]  ? trace_hardirqs_on+0x310/0x310
[  232.779349]  ? __run_timers+0x7da/0xc70
[  232.783319]  ? lock_downgrade+0x900/0x900
[  232.787470]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.792571]  ? trace_hardirqs_on+0xbd/0x310
[  232.796892]  ? kasan_check_read+0x11/0x20
[  232.801037]  ? __run_timers+0x7da/0xc70
[  232.805015]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.810468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.816005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.820242]  __run_timers+0x7e5/0xc70
[  232.824048]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  232.829422]  ? lock_downgrade+0x900/0x900
[  232.833566]  ? finish_task_switch+0x1b5/0x900
[  232.838060]  ? trace_hardirqs_on+0xbd/0x310
[  232.842395]  ? kasan_check_read+0x11/0x20
[  232.846543]  ? finish_task_switch+0x1f5/0x900
[  232.851035]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.856493]  ? compat_start_thread+0x80/0x80
[  232.860908]  ? pvclock_read_flags+0x160/0x160
[  232.865401]  ? __switch_to_asm+0x34/0x70
[  232.869464]  ? __switch_to_asm+0x34/0x70
[  232.873519]  ? __switch_to_asm+0x40/0x70
[  232.877577]  ? __switch_to_asm+0x40/0x70
[  232.881636]  ? __switch_to_asm+0x34/0x70
[  232.885695]  ? __switch_to_asm+0x40/0x70
[  232.889756]  ? trace_hardirqs_on+0xbd/0x310
[  232.894091]  ? kvm_sched_clock_read+0x9/0x20
[  232.898500]  ? run_ksoftirqd+0x94/0x100
[  232.902475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.908007]  ? check_preemption_disabled+0x48/0x200
[  232.913018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.918567]  run_timer_softirq+0x52/0xb0
[  232.922643]  ? __this_cpu_preempt_check+0x1c/0x1f
[  232.927486]  __do_softirq+0x30b/0xad8
[  232.931289]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  232.936387]  ? trace_hardirqs_off+0x310/0x310
[  232.940876]  ? retint_kernel+0x1b/0x2d
[  232.944764]  ? schedule+0x108/0x460
[  232.948395]  ? trace_hardirqs_off+0xb8/0x310
[  232.952804]  ? smpboot_thread_fn+0x68b/0xa00
[  232.957215]  ? trace_hardirqs_on+0x310/0x310
[  232.961624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.967159]  ? check_preemption_disabled+0x48/0x200
[  232.972181]  ? takeover_tasklets+0xa90/0xa90
[  232.976590]  run_ksoftirqd+0x94/0x100
[  232.980408]  smpboot_thread_fn+0x68b/0xa00
[  232.984647]  ? sort_range+0x30/0x30
[  232.988281]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.993381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.998916]  ? __kthread_parkme+0xfb/0x1a0
[  233.003156]  kthread+0x35a/0x420
[  233.006523]  ? sort_range+0x30/0x30
[  233.010143]  ? kthread_bind+0x40/0x40
[  233.013947]  ret_from_fork+0x3a/0x50
[  233.017669] warn_alloc_show_mem: 1 callbacks suppressed
[  233.017681] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  233.017683] Mem-Info:
[  233.017713] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  233.017713]  active_file:17 inactive_file:15 isolated_file:0
[  233.017713]  unevictable:0 dirty:0 writeback:0 unstable:0
[  233.017713]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  233.017713]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  233.017713]  free:13630 free_pcp:175 free_cma:0
[  233.023047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  233.030326] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  233.032723] Call Trace:
[  233.065771] Node 0 
[  233.075137]  <IRQ>
[  233.103452] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  233.106014]  dump_stack+0x1c4/0x2b4
[  233.108220] lowmem_reserve[]:
[  233.110368]  ? dump_stack_print_info.cold.2+0x52/0x52
[  233.135861]  0 2819
[  233.139500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.142572]  6323
[  233.147760]  warn_alloc.cold.119+0xb7/0x1bd
[  233.149968]  6323
[  233.155500]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.161849]  ? lock_downgrade+0x900/0x900
[  233.163885] Node 0 
[  233.168719]  ? trace_hardirqs_off+0xb8/0x310
[  233.172861] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  233.175065]  ? trace_hardirqs_off+0xb8/0x310
[  233.179458] lowmem_reserve[]:
[  233.206446]  __alloc_pages_slowpath+0x2667/0x2d80
[  233.210842]  0
[  233.213940]  ? warn_alloc+0x120/0x120
[  233.218748]  0
[  233.220542]  ? warn_alloc+0x120/0x120
[  233.224315]  3503
[  233.226108]  ? warn_alloc+0x120/0x120
[  233.229883]  3503
[  233.231939]  ? mark_held_locks+0x130/0x130
[  233.237769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.241978] Node 0 
[  233.247528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.247559] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  233.247566] lowmem_reserve[]:
[  233.249803]  ? should_fail+0x22d/0xd01
[  233.255312]  0
[  233.283776]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.286857]  0
[  233.290746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.292523]  0
[  233.297629]  ? should_fail+0x22d/0xd01
[  233.299401]  0
[  233.304940]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.310609]  ? should_fail+0x22d/0xd01
[  233.312382] Node 0 
[  233.317491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.321346] DMA: 
[  233.323584]  ? mark_held_locks+0x130/0x130
[  233.328656] 1*4kB 
[  233.330723]  ? mark_held_locks+0x130/0x130
[  233.334925] (U) 
[  233.337083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.341293] 0*8kB 
[  233.343276]  ? trace_hardirqs_off+0xb8/0x310
[  233.348790] 0*16kB 
[  233.350950]  ? kasan_check_read+0x11/0x20
[  233.355339] 1*32kB 
[  233.357591]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.361719] (U) 
[  233.363954]  ? trace_hardirqs_on+0x310/0x310
[  233.368334] 2*64kB 
[  233.370313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.374697] (U) 
[  233.376939]  ? wq_watchdog_touch+0x9c/0xfe
[  233.382453] 1*128kB 
[  233.384436]  ? io_serial_in+0x11/0x90
[  233.388642] (U) 
[  233.390991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.394761] 1*256kB 
[  233.396740]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.402250] (U) 
[  233.404588]  __alloc_pages_nodemask+0xa80/0xde0
[  233.409653] 0*512kB 
[  233.411630]  ? should_fail+0x22d/0xd01
[  233.416274] 1*1024kB 
[  233.418608]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  233.422471] (U) 
[  233.424892]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.429884] 1*2048kB 
[  233.431868]  ? lock_downgrade+0x900/0x900
[  233.436514] (M) 
[  233.438934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.443056] 3*4096kB 
[  233.445046]  cache_grow_begin+0x91/0x8c0
[  233.450560] (M) 
[  233.452979]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.457012] = 15908kB
[  233.458989]  fallback_alloc+0x203/0x2e0
[  233.463370] Node 0 
[  233.465784]  ____cache_alloc_node+0x1c7/0x1e0
[  233.469723] DMA32: 
[  233.471963]  kmem_cache_alloc_node+0xe3/0x730
[  233.476433] 3*4kB 
[  233.478668]  ? ipv6_get_ifaddr+0x42e/0x620
[  233.483134] (ME) 
[  233.485285]  __alloc_skb+0x119/0x770
[  233.489494] 2*8kB 
[  233.491575]  ? skb_scrub_packet+0x490/0x490
[  233.495271] (ME) 
[  233.497430]  ? lock_downgrade+0x900/0x900
[  233.501720] 4*16kB 
[  233.503785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.507922] (UME) 
[  233.510161]  ? refcount_sub_and_test_checked+0x203/0x310
[  233.515669] 3*32kB 
[  233.517818]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  233.523234] (ME) 
[  233.525463]  ? addrconf_rs_timer+0x690/0x690
[  233.530884] 5*64kB 
[  233.532941]  ndisc_alloc_skb+0x144/0x340
[  233.537317] (ME) 
[  233.539544]  ndisc_send_rs+0x331/0x6e0
[  233.544101] 5*128kB 
[  233.546155]  addrconf_rs_timer+0x314/0x690
[  233.550011] (UME) 
[  233.552329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.556537] 5*256kB 
[  233.558686]  call_timer_fn+0x272/0x920
[  233.562889] (UME) 
[  233.565212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.569085] 4*512kB 
[  233.571228]  ? process_timeout+0x40/0x40
[  233.575431] (ME) 
[  233.577748]  ? trace_hardirqs_off+0xb8/0x310
[  233.581782] 4*1024kB 
[  233.583834]  ? kasan_check_read+0x11/0x20
[  233.588214] (UME) 
[  233.590619]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.594736] 2*2048kB 
[  233.596878]  ? trace_hardirqs_on+0x310/0x310
[  233.601263] (ME) 
[  233.603668]  ? __run_timers+0x7da/0xc70
[  233.608062] 3*4096kB 
[  233.610123]  ? lock_downgrade+0x900/0x900
[  233.614085] (M) 
[  233.616495]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.620610] = 24956kB
[  233.622575]  ? trace_hardirqs_on+0xbd/0x310
[  233.627652] Node 0 
[  233.630057]  ? kasan_check_read+0x11/0x20
[  233.634362] Normal: 
[  233.636604]  ? __run_timers+0x7da/0xc70
[  233.640716] 1016*4kB 
[  233.643031]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.646976] (UME) 
[  233.649375]  ? kasan_check_write+0x14/0x20
[  233.654801] 447*8kB 
[  233.656944]  ? do_raw_spin_lock+0xc1/0x200
[  233.661146] (ME) 
[  233.663459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.667668] 188*16kB 
[  233.669722]  __run_timers+0x7e5/0xc70
[  233.673931] (UME) 
[  233.676340]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  233.680107] 54*32kB 
[  233.682245]  ? lock_acquire+0x1ed/0x520
[  233.687585] (UME) 
[  233.689898]  ? __hrtimer_run_queues+0x488/0x10d0
[  233.693852] 20*64kB 
[  233.695994]  ? lock_release+0x970/0x970
[  233.700729] (UM) 
[  233.703049]  ? trace_hardirqs_off+0xb8/0x310
[  233.706995] 0*128kB 
[  233.709048]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.713426] 0*256kB 
[  233.715740]  ? kasan_check_write+0x14/0x20
[  233.720122] 0*512kB 
[  233.722438]  ? pvclock_read_flags+0x160/0x160
[  233.726645] 0*1024kB 
[  233.728964]  ? lock_downgrade+0x900/0x900
[  233.733424] 0*2048kB 0*4096kB 
[  233.735838]  ? trace_hardirqs_on+0xbd/0x310
[  233.739953] = 13656kB
[  233.743138]  ? kvm_sched_clock_read+0x9/0x20
[  233.747434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  233.749830]  ? irq_exit+0x17f/0x1c0
[  233.754216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  233.763039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.766634] 4246 total pagecache pages
[  233.775197]  ? check_preemption_disabled+0x48/0x200
[  233.780722] 0 pages in swap cache
[  233.784604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.789588] Swap cache stats: add 0, delete 0, find 0/0
[  233.789597] Free swap  = 0kB
[  233.793046]  run_timer_softirq+0x52/0xb0
[  233.798550] Total swap = 0kB
[  233.803901]  ? __this_cpu_preempt_check+0x1c/0x1f
[  233.806892] 1965979 pages RAM
[  233.810943]  __do_softirq+0x30b/0xad8
[  233.813932] 0 pages HighMem/MovableOnly
[  233.818765]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  233.821841] 342307 pages reserved
[  233.825631]  ? pvclock_read_flags+0x160/0x160
[  233.829575] 0 pages cma reserved
[  233.834669]  ? lapic_next_event+0x5a/0x90
[  233.838168] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.842589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.845988] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.850064]  ? clockevents_program_event+0x140/0x370
[  233.856544] ksoftirqd/0 cpuset=
[  233.862082]  ? kvm_clock_read+0x18/0x30
[  233.872364] /
[  233.877465]  ? kvm_sched_clock_read+0x9/0x20
[  233.880714]  mems_allowed=0
[  233.884681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.899204]  ? check_preemption_disabled+0x48/0x200
[  233.904241]  irq_exit+0x17f/0x1c0
[  233.907693]  smp_apic_timer_interrupt+0x1cb/0x760
[  233.912530]  ? smp_reschedule_interrupt+0x109/0x650
[  233.917547]  ? smp_call_function_single_interrupt+0x650/0x650
[  233.923433]  ? interrupt_entry+0xb5/0xf0
[  233.927493]  ? trace_hardirqs_off_caller+0xbb/0x310
[  233.932504]  ? trace_hardirqs_off_caller+0xbb/0x310
[  233.937519]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.942363]  ? trace_hardirqs_on_caller+0x310/0x310
[  233.947380]  ? trace_hardirqs_on_caller+0x310/0x310
[  233.952395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.957932]  ? check_preemption_disabled+0x48/0x200
[  233.962955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.967803]  apic_timer_interrupt+0xf/0x20
[  233.972031]  </IRQ>
[  233.974270] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  233.979196] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  233.998110] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  234.005818] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  234.013087] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  234.020356] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  234.027620] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  234.034884] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  234.042172]  ? trace_hardirqs_on+0xb4/0x310
[  234.046510]  skb_clone+0x1bb/0x500
[  234.050049]  ? skb_split+0x11e0/0x11e0
[  234.053948]  ? preempt_notifier_register+0x200/0x200
[  234.059049]  ? __switch_to_asm+0x34/0x70
[  234.063115]  ? __switch_to_asm+0x34/0x70
[  234.067173]  ? __switch_to_asm+0x40/0x70
[  234.071230]  ? __switch_to_asm+0x34/0x70
[  234.075288]  ? __switch_to_asm+0x40/0x70
[  234.079349]  ? __switch_to_asm+0x40/0x70
[  234.083409]  ? __switch_to_asm+0x34/0x70
[  234.087466]  ? __switch_to_asm+0x34/0x70
[  234.091523]  ? __switch_to_asm+0x40/0x70
[  234.095588]  ? __switch_to_asm+0x34/0x70
[  234.099654]  bpf_clone_redirect+0xb9/0x490
[  234.104187]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  234.109205]  ? __sched_text_start+0x8/0x8
[  234.113353]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.118108]  ? retint_kernel+0x2d/0x2d
[  234.121995]  ? trace_hardirqs_on_caller+0xc0/0x310
[  234.126927]  ? rcu_gp_kthread+0x2310/0x2310
[  234.131245]  ? trace_hardirqs_off+0x310/0x310
[  234.135745]  ? lock_acquire+0x1ed/0x520
[  234.139717]  ? bpf_test_run+0x3cb/0x780
[  234.143690]  ? lock_downgrade+0x900/0x900
[  234.147841]  ? lock_release+0x970/0x970
[  234.151818]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  234.157619]  ? preempt_schedule_common+0x1f/0xd0
[  234.162375]  ? preempt_schedule+0x4d/0x60
[  234.166519]  ? ___preempt_schedule+0x16/0x18
[  234.170928]  ? bpf_test_run+0x25d/0x780
[  234.174906]  ? netlink_diag_dump+0x2a0/0x2a0
[  234.179320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.184857]  ? bpf_test_init.isra.9+0x70/0x100
[  234.189442]  ? bpf_prog_test_run_skb+0x634/0xb40
[  234.194201]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  234.199043]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  234.204586]  ? fput+0x130/0x1a0
[  234.207871]  ? __bpf_prog_get+0x9b/0x290
[  234.211933]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  234.216785]  ? bpf_prog_test_run+0x130/0x1a0
[  234.221204]  ? __x64_sys_bpf+0x3d8/0x510
[  234.225261]  ? bpf_prog_get+0x20/0x20
[  234.229077]  ? do_syscall_64+0x1b9/0x820
[  234.233144]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  234.238995]  ? syscall_return_slowpath+0x5e0/0x5e0
[  234.243926]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.248767]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.253786]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  234.258801]  ? prepare_exit_to_usermode+0x291/0x3b0
[  234.263820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.268670]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  234.274043] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  234.274105] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.280917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.287490] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.296738] Call Trace:
[  234.307214] syz-executor4 cpuset=syz4
[  234.309802]  dump_stack+0x1c4/0x2b4
[  234.309819]  ? dump_stack_print_info.cold.2+0x52/0x52
[  234.313612]  mems_allowed=0
[  234.317231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.330846]  warn_alloc.cold.119+0xb7/0x1bd
[  234.335174]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.340026]  ? lock_downgrade+0x900/0x900
[  234.344180]  ? trace_hardirqs_off+0xb8/0x310
[  234.348596]  ? trace_hardirqs_off+0xb8/0x310
[  234.353015]  __alloc_pages_slowpath+0x2667/0x2d80
[  234.357874]  ? mark_held_locks+0x130/0x130
[  234.362128]  ? warn_alloc+0x120/0x120
[  234.365943]  ? warn_alloc+0x120/0x120
[  234.369778]  ? warn_alloc+0x120/0x120
[  234.373579]  ? mark_held_locks+0x130/0x130
[  234.377820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.383362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.388903]  ? should_fail+0x22d/0xd01
[  234.392794]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.397914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.403450]  ? should_fail+0x22d/0xd01
[  234.407342]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.412442]  ? should_fail+0x22d/0xd01
[  234.416328]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.421430]  ? mark_held_locks+0x130/0x130
[  234.425664]  ? mark_held_locks+0x130/0x130
[  234.429899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.435434]  ? trace_hardirqs_off+0xb8/0x310
[  234.439847]  ? kasan_check_read+0x11/0x20
[  234.444013]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.448423]  ? trace_hardirqs_on+0x310/0x310
[  234.452828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.458361]  ? wq_watchdog_touch+0x9c/0xfe
[  234.462594]  ? io_serial_in+0x11/0x90
[  234.466394]  ? retint_kernel+0x2d/0x2d
[  234.470279]  ? trace_hardirqs_on_caller+0xc0/0x310
[  234.475210]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.479978]  ? trace_hardirqs_off+0x310/0x310
[  234.484470]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.489582]  __alloc_pages_nodemask+0xa80/0xde0
[  234.494255]  ? should_fail+0x22d/0xd01
[  234.498144]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  234.503174]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.507843]  ? lock_downgrade+0x900/0x900
[  234.511997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.517535]  cache_grow_begin+0x91/0x8c0
[  234.521596]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.526013]  fallback_alloc+0x203/0x2e0
[  234.529994]  ____cache_alloc_node+0x1c7/0x1e0
[  234.534492]  kmem_cache_alloc_node+0xe3/0x730
[  234.538987]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.543259]  __alloc_skb+0x119/0x770
[  234.546977]  ? skb_scrub_packet+0x490/0x490
[  234.551299]  ? lock_downgrade+0x900/0x900
[  234.555455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.560996]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.566448]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.571904]  ? addrconf_rs_timer+0x690/0x690
[  234.576317]  ndisc_alloc_skb+0x144/0x340
[  234.580381]  ndisc_send_rs+0x331/0x6e0
[  234.584275]  addrconf_rs_timer+0x314/0x690
[  234.588508]  ? lock_release+0x970/0x970
[  234.592499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.596743]  call_timer_fn+0x272/0x920
[  234.600629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.604888]  ? process_timeout+0x40/0x40
[  234.608978]  ? kasan_check_read+0x11/0x20
[  234.613150]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.617560]  ? trace_hardirqs_on+0x310/0x310
[  234.621986]  ? __run_timers+0x7da/0xc70
[  234.625968]  ? lock_downgrade+0x900/0x900
[  234.630141]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.635248]  ? trace_hardirqs_on+0xbd/0x310
[  234.639567]  ? kasan_check_read+0x11/0x20
[  234.643720]  ? __run_timers+0x7da/0xc70
[  234.647700]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  234.653154]  ? kasan_check_write+0x14/0x20
[  234.657391]  ? do_raw_spin_lock+0xc1/0x200
[  234.661630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.665868]  __run_timers+0x7e5/0xc70
[  234.669681]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  234.675044]  ? lock_downgrade+0x900/0x900
[  234.679204]  ? finish_task_switch+0x1b5/0x900
[  234.683698]  ? trace_hardirqs_on+0xbd/0x310
[  234.688012]  ? kasan_check_read+0x11/0x20
[  234.692166]  ? finish_task_switch+0x1f5/0x900
[  234.696669]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  234.702127]  ? compat_start_thread+0x80/0x80
[  234.706553]  ? pvclock_read_flags+0x160/0x160
[  234.711055]  ? __switch_to_asm+0x34/0x70
[  234.715134]  ? __switch_to_asm+0x34/0x70
[  234.719197]  ? __switch_to_asm+0x40/0x70
[  234.723256]  ? __switch_to_asm+0x40/0x70
[  234.727316]  ? __switch_to_asm+0x34/0x70
[  234.731381]  ? __switch_to_asm+0x40/0x70
[  234.735448]  ? trace_hardirqs_on+0xbd/0x310
[  234.739774]  ? kvm_sched_clock_read+0x9/0x20
[  234.744183]  ? run_ksoftirqd+0x94/0x100
[  234.748158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.753692]  ? check_preemption_disabled+0x48/0x200
[  234.758711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.764253]  run_timer_softirq+0x52/0xb0
[  234.768315]  ? __this_cpu_preempt_check+0x1c/0x1f
[  234.773159]  __do_softirq+0x30b/0xad8
[  234.776967]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  234.782076]  ? trace_hardirqs_off+0x310/0x310
[  234.786574]  ? retint_kernel+0x1b/0x2d
[  234.790464]  ? schedule+0x108/0x460
[  234.794105]  ? trace_hardirqs_off+0xb8/0x310
[  234.798513]  ? smpboot_thread_fn+0x68b/0xa00
[  234.802919]  ? trace_hardirqs_on+0x310/0x310
[  234.807325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.812856]  ? check_preemption_disabled+0x48/0x200
[  234.817872]  ? takeover_tasklets+0xa90/0xa90
[  234.822283]  run_ksoftirqd+0x94/0x100
[  234.826095]  smpboot_thread_fn+0x68b/0xa00
[  234.830330]  ? sort_range+0x30/0x30
[  234.833957]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.839058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.844602]  ? __kthread_parkme+0xfb/0x1a0
[  234.848836]  kthread+0x35a/0x420
[  234.852200]  ? sort_range+0x30/0x30
[  234.855825]  ? kthread_bind+0x40/0x40
[  234.859627]  ret_from_fork+0x3a/0x50
[  234.863349] warn_alloc_show_mem: 1 callbacks suppressed
[  234.863361] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  234.863363] Mem-Info:
[  234.863394] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  234.863394]  active_file:17 inactive_file:15 isolated_file:0
[  234.863394]  unevictable:0 dirty:0 writeback:0 unstable:0
[  234.863394]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  234.863394]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  234.863394]  free:13630 free_pcp:175 free_cma:0
[  234.868729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.876002] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  234.878401] Call Trace:
[  234.911439] Node 0 
[  234.920780]  <IRQ>
[  234.948545] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  234.951106]  dump_stack+0x1c4/0x2b4
[  234.953311] lowmem_reserve[]:
[  234.955456]  ? dump_stack_print_info.cold.2+0x52/0x52
[  234.980933]  0
[  234.984559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.987632]  2819
[  234.992820]  warn_alloc.cold.119+0xb7/0x1bd
[  234.994584]  6323 6323
[  235.000120]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.006464]  ? lock_downgrade+0x900/0x900
[  235.008931] Node 0 
[  235.013761]  ? trace_hardirqs_off+0xb8/0x310
[  235.017907] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  235.020113]  ? trace_hardirqs_off+0xb8/0x310
[  235.024491] lowmem_reserve[]:
[  235.051466]  __alloc_pages_slowpath+0x2667/0x2d80
[  235.055846]  0
[  235.058965]  ? warn_alloc+0x120/0x120
[  235.063769]  0
[  235.065568]  ? trace_hardirqs_on+0x310/0x310
[  235.069336]  3503
[  235.071134]  ? warn_alloc+0x120/0x120
[  235.075546]  3503
[  235.077604]  ? warn_alloc+0x120/0x120
[  235.083436]  ? ktime_get+0x2e1/0x440
[  235.087207] Node 0 
[  235.090908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.090939] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  235.090946] lowmem_reserve[]:
[  235.093181]  ? check_preemption_disabled+0x48/0x200
[  235.098689]  0 0 0
[  235.127166]  ? kasan_check_read+0x11/0x20
[  235.130248]  0
[  235.135256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.141511]  ? should_fail+0x22d/0xd01
[  235.143287] Node 0 
[  235.148819]  ? rcu_bh_qs+0xc0/0xc0
[  235.152680] DMA: 
[  235.154907]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.158420] 1*4kB 
[  235.160485]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.165556] (U) 
[  235.167699]  ? should_fail+0x22d/0xd01
[  235.173207] 0*8kB 
[  235.175176]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.179032] 0*16kB 
[  235.181174]  ? should_fail+0x22d/0xd01
[  235.186255] 1*32kB 
[  235.188491]  ? rcu_idle_enter+0x4b0/0x4b0
[  235.192345] (U) 
[  235.194574]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.198691] 2*64kB 
[  235.200663]  ? mark_held_locks+0x130/0x130
[  235.205738] (U) 
[  235.207969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.212182] 1*128kB 
[  235.214152]  ? mark_held_locks+0x130/0x130
[  235.219664] (U) 
[  235.221981]  ? rcu_irq_exit+0xce/0x100
[  235.226186] 1*256kB 
[  235.228172]  ? irq_exit+0xbd/0x1c0
[  235.232031] (U) 
[  235.234345]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  235.237859] 0*512kB 
[  235.239842]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.244828] 1*1024kB (U) 
[  235.247156]  ? smp_call_function_single_interrupt+0x650/0x650
[  235.251535] 1*2048kB 
[  235.254284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.260159] (M) 
[  235.262562]  ? ret_from_intr+0xb/0x1e
[  235.268084] 3*4096kB 
[  235.270045]  ? retint_kernel+0x2d/0x2d
[  235.273819] (M) 
[  235.276220]  ? trace_hardirqs_on_caller+0xc0/0x310
[  235.280087] = 15908kB
[  235.282055]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.286953] Node 0 
[  235.289355]  ? trace_hardirqs_off+0x310/0x310
[  235.294086] DMA32: 
[  235.296320]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.300785] 3*4kB 
[  235.303017]  __alloc_pages_nodemask+0xa80/0xde0
[  235.308103] (ME) 
[  235.310281]  ? should_fail+0x22d/0xd01
[  235.310298]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  235.314949] 2*8kB 
[  235.317013]  ? ____cache_alloc_node+0x1c7/0x1e0
[  235.320880] (ME) 
[  235.325888]  ? lock_downgrade+0x900/0x900
[  235.328014] 4*16kB 
[  235.332676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.334708] (UME) 
[  235.338849]  cache_grow_begin+0x91/0x8c0
[  235.341055] 3*32kB 
[  235.346593]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.348705] (ME) 
[  235.352758]  fallback_alloc+0x203/0x2e0
[  235.354968] 5*64kB 
[  235.359368]  ____cache_alloc_node+0x1c7/0x1e0
[  235.361424] (ME) 
[  235.365390]  kmem_cache_alloc_node+0xe3/0x730
[  235.367602] 5*128kB 
[  235.372099]  ? ipv6_get_ifaddr+0x42e/0x620
[  235.374137] (UME) 
[  235.378624]  __alloc_skb+0x119/0x770
[  235.380937] 5*256kB 
[  235.385164]  ? skb_scrub_packet+0x490/0x490
[  235.387295] (UME) 
[  235.391010]  ? lock_downgrade+0x900/0x900
[  235.393304] 4*512kB 
[  235.397617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.399739] (ME) 
[  235.403877]  ? refcount_sub_and_test_checked+0x203/0x310
[  235.406177] 4*1024kB 
[  235.411702]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  235.413739] (UME) 
[  235.419179]  ? addrconf_rs_timer+0x690/0x690
[  235.421566] 2*2048kB 
[  235.427019]  ndisc_alloc_skb+0x144/0x340
[  235.429149] (ME) 
[  235.433548]  ndisc_send_rs+0x331/0x6e0
[  235.435930] 3*4096kB 
[  235.439983]  addrconf_rs_timer+0x314/0x690
[  235.442025] (M) 
[  235.445903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.448291] = 24956kB
[  235.452516]  call_timer_fn+0x272/0x920
[  235.454459] Node 0 
[  235.458683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.461079] Normal: 
[  235.464973]  ? process_timeout+0x40/0x40
[  235.467182] 1016*4kB 
[  235.471410]  ? trace_hardirqs_off+0xb8/0x310
[  235.473705] (UME) 
[  235.477758]  ? kasan_check_read+0x11/0x20
[  235.480142] 447*8kB 
[  235.484548]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.486670] (ME) 
[  235.490814]  ? trace_hardirqs_on+0x310/0x310
[  235.493113] 188*16kB 
[  235.497510]  ? __run_timers+0x7da/0xc70
[  235.499541] (UME) 
[  235.503941]  ? lock_downgrade+0x900/0x900
[  235.506323] 54*32kB 
[  235.510291]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.512410] (UME) 
[  235.516550]  ? trace_hardirqs_on+0xbd/0x310
[  235.518844] 20*64kB 
[  235.523937]  ? kasan_check_read+0x11/0x20
[  235.526057] (UM) 
[  235.530375]  ? __run_timers+0x7da/0xc70
[  235.532672] 0*128kB 
[  235.536808]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.538846] 0*256kB 
[  235.542813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.545106] 0*512kB 
[  235.550548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.552849] 0*1024kB 
[  235.558376]  __run_timers+0x7e5/0xc70
[  235.560673] 0*2048kB 
[  235.564901]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  235.567284] 0*4096kB 
[  235.571081]  ? lock_acquire+0x1ed/0x520
[  235.573466] = 13656kB
[  235.578813]  ? __hrtimer_run_queues+0x488/0x10d0
[  235.578830]  ? lock_release+0x970/0x970
[  235.581230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  235.585192]  ? trace_hardirqs_off+0xb8/0x310
[  235.587583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  235.592329]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.596273] 4246 total pagecache pages
[  235.605103]  ? kasan_check_write+0x14/0x20
[  235.609482] 0 pages in swap cache
[  235.618053]  ? pvclock_read_flags+0x160/0x160
[  235.622449] Swap cache stats: add 0, delete 0, find 0/0
[  235.626327]  ? lock_downgrade+0x900/0x900
[  235.630531] Free swap  = 0kB
[  235.633976]  ? trace_hardirqs_on+0xbd/0x310
[  235.638439] Total swap = 0kB
[  235.643797]  ? kvm_sched_clock_read+0x9/0x20
[  235.647922] 1965979 pages RAM
[  235.650930]  ? irq_exit+0x17f/0x1c0
[  235.655226] 0 pages HighMem/MovableOnly
[  235.658236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.662612] 342307 pages reserved
[  235.665705]  ? check_preemption_disabled+0x48/0x200
[  235.669307] 0 pages cma reserved
[  235.673270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.678833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  235.682235]  run_timer_softirq+0x52/0xb0
[  235.687287] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  235.690584]  ? __this_cpu_preempt_check+0x1c/0x1f
[  235.696102] ksoftirqd/0 cpuset=
[  235.702591]  __do_softirq+0x30b/0xad8
[  235.706619] /
[  235.716962]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  235.721775]  mems_allowed=0
[  235.725042]  ? pvclock_read_flags+0x160/0x160
[  235.742989]  ? lapic_next_event+0x5a/0x90
[  235.747138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.752672]  ? clockevents_program_event+0x140/0x370
[  235.757778]  ? kvm_clock_read+0x18/0x30
[  235.761751]  ? kvm_sched_clock_read+0x9/0x20
[  235.766162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.771696]  ? check_preemption_disabled+0x48/0x200
[  235.776718]  irq_exit+0x17f/0x1c0
[  235.780170]  smp_apic_timer_interrupt+0x1cb/0x760
[  235.785006]  ? smp_reschedule_interrupt+0x109/0x650
[  235.790020]  ? smp_call_function_single_interrupt+0x650/0x650
[  235.795902]  ? interrupt_entry+0xb5/0xf0
[  235.799965]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.804976]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.809988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.814826]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.819838]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.824850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.830384]  ? check_preemption_disabled+0x48/0x200
[  235.835413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.840263]  apic_timer_interrupt+0xf/0x20
[  235.844486]  </IRQ>
[  235.846724] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  235.851654] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  235.870554] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  235.878260] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  235.885526] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  235.892787] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  235.900051] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  235.907321] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  235.914604]  ? trace_hardirqs_on+0xb4/0x310
[  235.918935]  skb_clone+0x1bb/0x500
[  235.922474]  ? skb_split+0x11e0/0x11e0
[  235.926362]  ? preempt_notifier_register+0x200/0x200
[  235.931462]  ? __switch_to_asm+0x34/0x70
[  235.935517]  ? __switch_to_asm+0x34/0x70
[  235.939572]  ? __switch_to_asm+0x40/0x70
[  235.943634]  ? __switch_to_asm+0x34/0x70
[  235.947689]  ? __switch_to_asm+0x40/0x70
[  235.951749]  ? __switch_to_asm+0x40/0x70
[  235.955807]  ? __switch_to_asm+0x34/0x70
[  235.959864]  ? __switch_to_asm+0x34/0x70
[  235.963942]  ? __switch_to_asm+0x40/0x70
[  235.968007]  ? __switch_to_asm+0x34/0x70
[  235.972067]  bpf_clone_redirect+0xb9/0x490
[  235.976315]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  235.981330]  ? __sched_text_start+0x8/0x8
[  235.985473]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.990228]  ? retint_kernel+0x2d/0x2d
[  235.994119]  ? trace_hardirqs_on_caller+0xc0/0x310
[  235.999051]  ? rcu_gp_kthread+0x2310/0x2310
[  236.003381]  ? trace_hardirqs_off+0x310/0x310
[  236.007883]  ? lock_acquire+0x1ed/0x520
[  236.011856]  ? bpf_test_run+0x3cb/0x780
[  236.015829]  ? lock_downgrade+0x900/0x900
[  236.019979]  ? lock_release+0x970/0x970
[  236.023954]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  236.029753]  ? preempt_schedule_common+0x1f/0xd0
[  236.034511]  ? preempt_schedule+0x4d/0x60
[  236.038660]  ? ___preempt_schedule+0x16/0x18
[  236.043080]  ? bpf_test_run+0x25d/0x780
[  236.047062]  ? netlink_diag_dump+0x2a0/0x2a0
[  236.051479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.057014]  ? bpf_test_init.isra.9+0x70/0x100
[  236.061602]  ? bpf_prog_test_run_skb+0x634/0xb40
[  236.066362]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  236.071200]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  236.076736]  ? fput+0x130/0x1a0
[  236.080012]  ? __bpf_prog_get+0x9b/0x290
[  236.084085]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  236.088922]  ? bpf_prog_test_run+0x130/0x1a0
[  236.093327]  ? __x64_sys_bpf+0x3d8/0x510
[  236.097386]  ? bpf_prog_get+0x20/0x20
[  236.101199]  ? do_syscall_64+0x1b9/0x820
[  236.105497]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  236.110859]  ? syscall_return_slowpath+0x5e0/0x5e0
[  236.115785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.120625]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.125640]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  236.130653]  ? prepare_exit_to_usermode+0x291/0x3b0
[  236.135692]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.140538]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  236.145908] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  236.145962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  236.152752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.159290] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.168561] Call Trace:
[  236.179041] syz-executor4 cpuset=syz4
[  236.181616]  dump_stack+0x1c4/0x2b4
[  236.181632]  ? dump_stack_print_info.cold.2+0x52/0x52
[  236.185409]  mems_allowed=0
[  236.189027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.202646]  warn_alloc.cold.119+0xb7/0x1bd
[  236.206967]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.211810]  ? lock_downgrade+0x900/0x900
[  236.215992]  ? trace_hardirqs_off+0xb8/0x310
[  236.220402]  ? trace_hardirqs_off+0xb8/0x310
[  236.224819]  __alloc_pages_slowpath+0x2667/0x2d80
[  236.229672]  ? mark_held_locks+0x130/0x130
[  236.234094]  ? warn_alloc+0x120/0x120
[  236.237906]  ? warn_alloc+0x120/0x120
[  236.241710]  ? warn_alloc+0x120/0x120
[  236.245509]  ? mark_held_locks+0x130/0x130
[  236.249794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.255327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.260862]  ? should_fail+0x22d/0xd01
[  236.265204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.270306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.275843]  ? should_fail+0x22d/0xd01
[  236.279730]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.284832]  ? should_fail+0x22d/0xd01
[  236.288728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.293834]  ? mark_held_locks+0x130/0x130
[  236.298085]  ? mark_held_locks+0x130/0x130
[  236.302322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.307862]  ? trace_hardirqs_off+0xb8/0x310
[  236.312264]  ? kasan_check_read+0x11/0x20
[  236.316409]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.320826]  ? trace_hardirqs_on+0x310/0x310
[  236.325233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.330771]  ? wq_watchdog_touch+0x9c/0xfe
[  236.335005]  ? io_serial_in+0x11/0x90
[  236.338801]  ? retint_kernel+0x2d/0x2d
[  236.342683]  ? trace_hardirqs_on_caller+0xc0/0x310
[  236.347616]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.352372]  ? trace_hardirqs_off+0x310/0x310
[  236.356861]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.361976]  __alloc_pages_nodemask+0xa80/0xde0
[  236.366644]  ? should_fail+0x22d/0xd01
[  236.370532]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  236.375559]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.380226]  ? lock_downgrade+0x900/0x900
[  236.384378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.389916]  cache_grow_begin+0x91/0x8c0
[  236.393981]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.398392]  fallback_alloc+0x203/0x2e0
[  236.402371]  ____cache_alloc_node+0x1c7/0x1e0
[  236.406881]  kmem_cache_alloc_node+0xe3/0x730
[  236.411372]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.415624]  __alloc_skb+0x119/0x770
[  236.419337]  ? skb_scrub_packet+0x490/0x490
[  236.423667]  ? lock_downgrade+0x900/0x900
[  236.427817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.433355]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.438809]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.444258]  ? addrconf_rs_timer+0x690/0x690
[  236.448670]  ndisc_alloc_skb+0x144/0x340
[  236.452750]  ndisc_send_rs+0x331/0x6e0
[  236.456636]  addrconf_rs_timer+0x314/0x690
[  236.460868]  ? lock_release+0x970/0x970
[  236.464841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.469096]  call_timer_fn+0x272/0x920
[  236.472984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.477219]  ? process_timeout+0x40/0x40
[  236.481274]  ? kasan_check_read+0x11/0x20
[  236.485421]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.489831]  ? trace_hardirqs_on+0x310/0x310
[  236.494238]  ? __run_timers+0x7da/0xc70
[  236.498209]  ? lock_downgrade+0x900/0x900
[  236.502354]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.507459]  ? trace_hardirqs_on+0xbd/0x310
[  236.511780]  ? kasan_check_read+0x11/0x20
[  236.515930]  ? __run_timers+0x7da/0xc70
[  236.519901]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.525347]  ? kasan_check_write+0x14/0x20
[  236.529578]  ? do_raw_spin_lock+0xc1/0x200
[  236.533812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.538043]  __run_timers+0x7e5/0xc70
[  236.541882]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  236.547241]  ? lock_downgrade+0x900/0x900
[  236.551387]  ? finish_task_switch+0x1b5/0x900
[  236.555887]  ? trace_hardirqs_on+0xbd/0x310
[  236.560206]  ? kasan_check_read+0x11/0x20
[  236.564370]  ? finish_task_switch+0x1f5/0x900
[  236.568867]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.574317]  ? compat_start_thread+0x80/0x80
[  236.578738]  ? pvclock_read_flags+0x160/0x160
[  236.583228]  ? __switch_to_asm+0x34/0x70
[  236.587285]  ? __switch_to_asm+0x34/0x70
[  236.591342]  ? __switch_to_asm+0x40/0x70
[  236.595400]  ? __switch_to_asm+0x40/0x70
[  236.599455]  ? __switch_to_asm+0x34/0x70
[  236.603517]  ? __switch_to_asm+0x40/0x70
[  236.607596]  ? trace_hardirqs_on+0xbd/0x310
[  236.611919]  ? kvm_sched_clock_read+0x9/0x20
[  236.616324]  ? run_ksoftirqd+0x94/0x100
[  236.620296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.625830]  ? check_preemption_disabled+0x48/0x200
[  236.630840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.636380]  run_timer_softirq+0x52/0xb0
[  236.640442]  ? __this_cpu_preempt_check+0x1c/0x1f
[  236.645281]  __do_softirq+0x30b/0xad8
[  236.649121]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  236.654225]  ? trace_hardirqs_off+0x310/0x310
[  236.658715]  ? retint_kernel+0x1b/0x2d
[  236.662599]  ? schedule+0x108/0x460
[  236.666228]  ? trace_hardirqs_off+0xb8/0x310
[  236.670636]  ? smpboot_thread_fn+0x68b/0xa00
[  236.675039]  ? trace_hardirqs_on+0x310/0x310
[  236.679450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.684982]  ? check_preemption_disabled+0x48/0x200
[  236.690002]  ? takeover_tasklets+0xa90/0xa90
[  236.694410]  run_ksoftirqd+0x94/0x100
[  236.698206]  smpboot_thread_fn+0x68b/0xa00
[  236.702438]  ? sort_range+0x30/0x30
[  236.706065]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.711183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.716717]  ? __kthread_parkme+0xfb/0x1a0
[  236.720952]  kthread+0x35a/0x420
[  236.724313]  ? sort_range+0x30/0x30
[  236.727939]  ? kthread_bind+0x40/0x40
[  236.731735]  ret_from_fork+0x3a/0x50
[  236.735455] warn_alloc_show_mem: 1 callbacks suppressed
[  236.735467] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  236.735469] Mem-Info:
[  236.735499] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  236.735499]  active_file:17 inactive_file:15 isolated_file:0
[  236.735499]  unevictable:0 dirty:0 writeback:0 unstable:0
[  236.735499]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  236.735499]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  236.735499]  free:13630 free_pcp:175 free_cma:0
[  236.740832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.748118] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  236.750512] Call Trace:
[  236.783552] Node 0 
[  236.792899]  <IRQ>
[  236.820670] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  236.823230]  dump_stack+0x1c4/0x2b4
[  236.825432] lowmem_reserve[]:
[  236.827577]  ? dump_stack_print_info.cold.2+0x52/0x52
[  236.853093]  0
[  236.856721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.859794]  2819
[  236.864978]  warn_alloc.cold.119+0xb7/0x1bd
[  236.866750]  6323
[  236.872278]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.874308]  6323
[  236.878619]  ? lock_downgrade+0x900/0x900
[  236.885488]  ? trace_hardirqs_off+0xb8/0x310
[  236.887525] Node 0 
[  236.891662]  ? trace_hardirqs_off+0xb8/0x310
[  236.896080] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  236.898280]  __alloc_pages_slowpath+0x2667/0x2d80
[  236.902656] lowmem_reserve[]:
[  236.929643]  ? warn_alloc+0x120/0x120
[  236.934448]  0
[  236.937544]  ? trace_hardirqs_on+0x310/0x310
[  236.941314]  0
[  236.943113]  ? warn_alloc+0x120/0x120
[  236.947494]  3503
[  236.949294]  ? warn_alloc+0x120/0x120
[  236.953087]  3503
[  236.955141]  ? ktime_get+0x2e1/0x440
[  236.960990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.964674] Node 0 
[  236.970204]  ? check_preemption_disabled+0x48/0x200
[  236.970236] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  236.970243] lowmem_reserve[]:
[  236.972471]  ? kasan_check_read+0x11/0x20
[  236.977477]  0
[  237.005938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.009016]  0
[  237.013159]  ? should_fail+0x22d/0xd01
[  237.014929]  0
[  237.020460]  ? rcu_bh_qs+0xc0/0xc0
[  237.022232]  0
[  237.026119]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.031427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.033199] Node 0 
[  237.038292]  ? should_fail+0x22d/0xd01
[  237.043802] DMA: 
[  237.046030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.049891] 1*4kB 
[  237.051947]  ? should_fail+0x22d/0xd01
[  237.057025] (U) 
[  237.059169]  ? rcu_idle_enter+0x4b0/0x4b0
[  237.063027] 0*8kB 
[  237.064996]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.069299] 0*16kB 
[  237.071465]  ? mark_held_locks+0x130/0x130
[  237.076537] 1*32kB 
[  237.078771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.082977] (U) 
[  237.085207]  ? mark_held_locks+0x130/0x130
[  237.090715] 2*64kB 
[  237.092686]  ? rcu_irq_exit+0xce/0x100
[  237.096893] (U) 
[  237.099123]  ? irq_exit+0xbd/0x1c0
[  237.103425] 1*128kB 
[  237.105395]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  237.108907] (U) 
[  237.111224]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.116209] 1*256kB 
[  237.118176]  ? smp_call_function_single_interrupt+0x650/0x650
[  237.122555] (U) 
[  237.124875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.130742] 0*512kB 
[  237.132711]  ? ret_from_intr+0xb/0x1e
[  237.138226] 1*1024kB 
[  237.140541]  ? retint_kernel+0x2d/0x2d
[  237.144310] (U) 
[  237.146716]  ? trace_hardirqs_on_caller+0xc0/0x310
[  237.150576] 1*2048kB 
[  237.152552]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  237.157449] (M) 
[  237.160033]  ? trace_hardirqs_off+0x310/0x310
[  237.160056]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.164810] 3*4096kB 
[  237.166787]  __alloc_pages_nodemask+0xa80/0xde0
[  237.171250] (M) 
[  237.176346]  ? should_fail+0x22d/0xd01
[  237.178727] = 15908kB
[  237.183403]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  237.185348] Node 0 
[  237.189241]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.191612] DMA32: 
[  237.196625]  ? lock_downgrade+0x900/0x900
[  237.198833] 3*4kB 
[  237.203515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.205719] (ME) 
[  237.209863]  cache_grow_begin+0x91/0x8c0
[  237.211986] 2*8kB 
[  237.217515]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.219545] (ME) 
[  237.223626]  fallback_alloc+0x203/0x2e0
[  237.225754] 4*16kB 
[  237.230155]  ____cache_alloc_node+0x1c7/0x1e0
[  237.232189] (UME) 
[  237.236154]  kmem_cache_alloc_node+0xe3/0x730
[  237.238363] 3*32kB 
[  237.242851]  ? ipv6_get_ifaddr+0x42e/0x620
[  237.244974] (ME) 
[  237.249479]  __alloc_skb+0x119/0x770
[  237.251691] 5*64kB 
[  237.255915]  ? skb_scrub_packet+0x490/0x490
[  237.257954] (ME) 
[  237.261660]  ? lock_downgrade+0x900/0x900
[  237.263868] 5*128kB 
[  237.268180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.270216] (UME) 
[  237.274357]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.276651] 5*256kB 
[  237.282180]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.284306] (UME) 
[  237.289750]  ? addrconf_rs_timer+0x690/0x690
[  237.292052] 4*512kB 
[  237.297498]  ndisc_alloc_skb+0x144/0x340
[  237.299616] (ME) 
[  237.304013]  ndisc_send_rs+0x331/0x6e0
[  237.306313] 4*1024kB 
[  237.310360]  addrconf_rs_timer+0x314/0x690
[  237.312397] (UME) 
[  237.316271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.318657] 2*2048kB 
[  237.322884]  call_timer_fn+0x272/0x920
[  237.325004] (ME) 
[  237.329228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.331611] 3*4096kB 
[  237.335492]  ? process_timeout+0x40/0x40
[  237.337530] (M) 
[  237.341759]  ? trace_hardirqs_off+0xb8/0x310
[  237.344143] = 24956kB
[  237.348194]  ? kasan_check_read+0x11/0x20
[  237.350154] Node 0 
[  237.354553]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.356932] Normal: 
[  237.361083]  ? trace_hardirqs_on+0x310/0x310
[  237.363300] 1016*4kB 
[  237.367698]  ? __run_timers+0x7da/0xc70
[  237.369991] (UME) 
[  237.374389]  ? lock_downgrade+0x900/0x900
[  237.376771] 447*8kB 
[  237.380736]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.382855] (ME) 
[  237.386993]  ? trace_hardirqs_on+0xbd/0x310
[  237.389296] 188*16kB 
[  237.394388]  ? kasan_check_read+0x11/0x20
[  237.396425] (UME) 
[  237.400741]  ? __run_timers+0x7da/0xc70
[  237.403122] 54*32kB 
[  237.407260]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  237.409383] (UME) 
[  237.413347]  ? kasan_check_write+0x14/0x20
[  237.415647] 20*64kB 
[  237.421094]  ? do_raw_spin_lock+0xc1/0x200
[  237.423225] (UM) 
[  237.427453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.429753] 0*128kB 
[  237.433978]  __run_timers+0x7e5/0xc70
[  237.436017] 0*256kB 
[  237.440245]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  237.442537] 0*512kB 
[  237.446329]  ? lock_acquire+0x1ed/0x520
[  237.448627] 0*1024kB 
[  237.453979]  ? __hrtimer_run_queues+0x488/0x10d0
[  237.456275] 0*2048kB 
[  237.460241]  ? lock_release+0x970/0x970
[  237.462628] 0*4096kB 
[  237.467378]  ? trace_hardirqs_off+0xb8/0x310
[  237.469764] = 13656kB
[  237.473730]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.476126] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  237.480612]  ? kasan_check_write+0x14/0x20
[  237.483006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  237.487446]  ? pvclock_read_flags+0x160/0x160
[  237.496269] 4246 total pagecache pages
[  237.500497]  ? lock_downgrade+0x900/0x900
[  237.509044] 0 pages in swap cache
[  237.513534]  ? trace_hardirqs_on+0xbd/0x310
[  237.517394] Swap cache stats: add 0, delete 0, find 0/0
[  237.521532]  ? kvm_sched_clock_read+0x9/0x20
[  237.524953] Free swap  = 0kB
[  237.529267]  ? irq_exit+0x17f/0x1c0
[  237.534599] Total swap = 0kB
[  237.539003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.542000] 1965979 pages RAM
[  237.545620]  ? check_preemption_disabled+0x48/0x200
[  237.548629] 0 pages HighMem/MovableOnly
[  237.554163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.557241] 342307 pages reserved
[  237.562254]  run_timer_softirq+0x52/0xb0
[  237.566209] 0 pages cma reserved
[  237.571738]  ? __this_cpu_preempt_check+0x1c/0x1f
[  237.575217] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.579218]  __do_softirq+0x30b/0xad8
[  237.582617] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.587394]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  237.593858] ksoftirqd/0 cpuset=
[  237.597652]  ? pvclock_read_flags+0x160/0x160
[  237.607937] /
[  237.613031]  ? lapic_next_event+0x5a/0x90
[  237.616285]  mems_allowed=0
[  237.620783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.635044]  ? clockevents_program_event+0x140/0x370
[  237.640158]  ? kvm_clock_read+0x18/0x30
[  237.644132]  ? kvm_sched_clock_read+0x9/0x20
[  237.648537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.654081]  ? check_preemption_disabled+0x48/0x200
[  237.659118]  irq_exit+0x17f/0x1c0
[  237.662570]  smp_apic_timer_interrupt+0x1cb/0x760
[  237.667411]  ? smp_reschedule_interrupt+0x109/0x650
[  237.672427]  ? smp_call_function_single_interrupt+0x650/0x650
[  237.678309]  ? interrupt_entry+0xb5/0xf0
[  237.682371]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.687383]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.692398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.697237]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.702252]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.707280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.712902]  ? check_preemption_disabled+0x48/0x200
[  237.717919]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.722768]  apic_timer_interrupt+0xf/0x20
[  237.726991]  </IRQ>
[  237.729233] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  237.734159] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  237.753056] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  237.760775] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  237.768041] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  237.775314] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  237.782578] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  237.789847] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  237.797142]  ? trace_hardirqs_on+0xb4/0x310
[  237.801491]  skb_clone+0x1bb/0x500
[  237.805033]  ? skb_split+0x11e0/0x11e0
[  237.808920]  ? preempt_notifier_register+0x200/0x200
[  237.814021]  ? __switch_to_asm+0x34/0x70
[  237.818091]  ? __switch_to_asm+0x34/0x70
[  237.822153]  ? __switch_to_asm+0x40/0x70
[  237.826209]  ? __switch_to_asm+0x34/0x70
[  237.830267]  ? __switch_to_asm+0x40/0x70
[  237.834327]  ? __switch_to_asm+0x40/0x70
[  237.838384]  ? __switch_to_asm+0x34/0x70
[  237.842439]  ? __switch_to_asm+0x34/0x70
[  237.846494]  ? __switch_to_asm+0x40/0x70
[  237.850568]  ? __switch_to_asm+0x34/0x70
[  237.854633]  bpf_clone_redirect+0xb9/0x490
[  237.858874]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  237.863888]  ? __sched_text_start+0x8/0x8
[  237.868038]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  237.872791]  ? retint_kernel+0x2d/0x2d
[  237.876676]  ? trace_hardirqs_on_caller+0xc0/0x310
[  237.881616]  ? rcu_gp_kthread+0x2310/0x2310
[  237.885939]  ? trace_hardirqs_off+0x310/0x310
[  237.890435]  ? lock_acquire+0x1ed/0x520
[  237.894407]  ? bpf_test_run+0x3cb/0x780
[  237.898381]  ? lock_downgrade+0x900/0x900
[  237.902531]  ? lock_release+0x970/0x970
[  237.906504]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  237.912298]  ? preempt_schedule_common+0x1f/0xd0
[  237.917050]  ? preempt_schedule+0x4d/0x60
[  237.921203]  ? ___preempt_schedule+0x16/0x18
[  237.925619]  ? bpf_test_run+0x25d/0x780
[  237.929603]  ? netlink_diag_dump+0x2a0/0x2a0
[  237.934011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.939542]  ? bpf_test_init.isra.9+0x70/0x100
[  237.944122]  ? bpf_prog_test_run_skb+0x634/0xb40
[  237.948880]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  237.953738]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.959271]  ? fput+0x130/0x1a0
[  237.962552]  ? __bpf_prog_get+0x9b/0x290
[  237.966625]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  237.971466]  ? bpf_prog_test_run+0x130/0x1a0
[  237.975874]  ? __x64_sys_bpf+0x3d8/0x510
[  237.979935]  ? bpf_prog_get+0x20/0x20
[  237.983746]  ? do_syscall_64+0x1b9/0x820
[  237.987808]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  237.993190]  ? syscall_return_slowpath+0x5e0/0x5e0
[  237.998145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.002998]  ? trace_hardirqs_on_caller+0x310/0x310
[  238.008034]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  238.013056]  ? prepare_exit_to_usermode+0x291/0x3b0
[  238.018089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.022941]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  238.028317] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  238.028372] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  238.035158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.035162] Call Trace:
[  238.035181]  dump_stack+0x1c4/0x2b4
[  238.035198]  ? dump_stack_print_info.cold.2+0x52/0x52
[  238.041724] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  238.051022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.053581] syz-executor4 cpuset=
[  238.057199]  warn_alloc.cold.119+0xb7/0x1bd
[  238.062359] syz4
[  238.072843]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.078349]  mems_allowed=0
[  238.081789]  ? lock_downgrade+0x900/0x900
[  238.099942]  ? trace_hardirqs_off+0xb8/0x310
[  238.104845]  ? trace_hardirqs_off+0xb8/0x310
[  238.109261]  __alloc_pages_slowpath+0x2667/0x2d80
[  238.114123]  ? mark_held_locks+0x130/0x130
[  238.118359]  ? warn_alloc+0x120/0x120
[  238.122163]  ? warn_alloc+0x120/0x120
[  238.125965]  ? warn_alloc+0x120/0x120
[  238.129767]  ? mark_held_locks+0x130/0x130
[  238.134021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.139568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.145116]  ? should_fail+0x22d/0xd01
[  238.149006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.154114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.159649]  ? should_fail+0x22d/0xd01
[  238.163535]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.168639]  ? should_fail+0x22d/0xd01
[  238.172528]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.177629]  ? mark_held_locks+0x130/0x130
[  238.181865]  ? mark_held_locks+0x130/0x130
[  238.186105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.191643]  ? mark_held_locks+0x130/0x130
[  238.195876]  ? trace_hardirqs_on+0x310/0x310
[  238.200279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.205813]  ? wq_watchdog_touch+0x9c/0xfe
[  238.210045]  ? io_serial_in+0x11/0x90
[  238.213853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.219483]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.224598]  __alloc_pages_nodemask+0xa80/0xde0
[  238.229273]  ? should_fail+0x22d/0xd01
[  238.233251]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  238.238273]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.242942]  ? lock_downgrade+0x900/0x900
[  238.247104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.252641]  cache_grow_begin+0x91/0x8c0
[  238.256699]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.261114]  fallback_alloc+0x203/0x2e0
[  238.265106]  ____cache_alloc_node+0x1c7/0x1e0
[  238.269608]  kmem_cache_alloc_node+0xe3/0x730
[  238.274114]  ? ipv6_get_ifaddr+0x42e/0x620
[  238.278356]  __alloc_skb+0x119/0x770
[  238.282069]  ? skb_scrub_packet+0x490/0x490
[  238.286401]  ? lock_downgrade+0x900/0x900
[  238.290551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.296097]  ? refcount_sub_and_test_checked+0x203/0x310
[  238.301547]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  238.306993]  ? addrconf_rs_timer+0x690/0x690
[  238.311416]  ndisc_alloc_skb+0x144/0x340
[  238.315479]  ndisc_send_rs+0x331/0x6e0
[  238.319368]  addrconf_rs_timer+0x314/0x690
[  238.323600]  ? lock_release+0x970/0x970
[  238.327587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.331831]  call_timer_fn+0x272/0x920
[  238.335713]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.339947]  ? process_timeout+0x40/0x40
[  238.344006]  ? kasan_check_read+0x11/0x20
[  238.348152]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.352562]  ? trace_hardirqs_on+0x310/0x310
[  238.356971]  ? __run_timers+0x7da/0xc70
[  238.360942]  ? lock_downgrade+0x900/0x900
[  238.365101]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.370205]  ? trace_hardirqs_on+0xbd/0x310
[  238.374522]  ? kasan_check_read+0x11/0x20
[  238.378668]  ? __run_timers+0x7da/0xc70
[  238.382644]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.388114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.393654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.397887]  __run_timers+0x7e5/0xc70
[  238.401693]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  238.407053]  ? lock_downgrade+0x900/0x900
[  238.411209]  ? finish_task_switch+0x1b5/0x900
[  238.415704]  ? trace_hardirqs_on+0xbd/0x310
[  238.420022]  ? kasan_check_read+0x11/0x20
[  238.424169]  ? finish_task_switch+0x1f5/0x900
[  238.428660]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.434110]  ? compat_start_thread+0x80/0x80
[  238.438533]  ? pvclock_read_flags+0x160/0x160
[  238.443033]  ? __switch_to_asm+0x34/0x70
[  238.447100]  ? __switch_to_asm+0x34/0x70
[  238.451159]  ? __switch_to_asm+0x40/0x70
[  238.455215]  ? __switch_to_asm+0x40/0x70
[  238.459271]  ? __switch_to_asm+0x34/0x70
[  238.463333]  ? __switch_to_asm+0x40/0x70
[  238.467396]  ? trace_hardirqs_on+0xbd/0x310
[  238.471726]  ? kvm_sched_clock_read+0x9/0x20
[  238.476133]  ? run_ksoftirqd+0x94/0x100
[  238.480117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.485650]  ? check_preemption_disabled+0x48/0x200
[  238.490665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.496205]  run_timer_softirq+0x52/0xb0
[  238.500260]  ? __this_cpu_preempt_check+0x1c/0x1f
[  238.505113]  __do_softirq+0x30b/0xad8
[  238.508916]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  238.514015]  ? trace_hardirqs_off+0x310/0x310
[  238.518510]  ? retint_kernel+0x1b/0x2d
[  238.522400]  ? schedule+0x108/0x460
[  238.526032]  ? trace_hardirqs_off+0xb8/0x310
[  238.530440]  ? smpboot_thread_fn+0x68b/0xa00
[  238.534850]  ? trace_hardirqs_on+0x310/0x310
[  238.539266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.544799]  ? check_preemption_disabled+0x48/0x200
[  238.549815]  ? takeover_tasklets+0xa90/0xa90
[  238.554225]  run_ksoftirqd+0x94/0x100
[  238.558023]  smpboot_thread_fn+0x68b/0xa00
[  238.562255]  ? sort_range+0x30/0x30
[  238.565878]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.570978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.576511]  ? __kthread_parkme+0xfb/0x1a0
[  238.580744]  kthread+0x35a/0x420
[  238.584113]  ? sort_range+0x30/0x30
[  238.587736]  ? kthread_bind+0x40/0x40
[  238.591534]  ret_from_fork+0x3a/0x50
[  238.595252] warn_alloc_show_mem: 1 callbacks suppressed
[  238.595264] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  238.595266] Mem-Info:
[  238.595297] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  238.595297]  active_file:17 inactive_file:15 isolated_file:0
[  238.595297]  unevictable:0 dirty:0 writeback:0 unstable:0
[  238.595297]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  238.595297]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  238.595297]  free:13630 free_pcp:175 free_cma:0
[  238.600635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.607910] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  238.610308] Call Trace:
[  238.643341] Node 0 
[  238.652683]  <IRQ>
[  238.680447] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  238.683017]  dump_stack+0x1c4/0x2b4
[  238.685223] lowmem_reserve[]:
[  238.687371]  ? dump_stack_print_info.cold.2+0x52/0x52
[  238.712844]  0
[  238.716470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.719544]  2819
[  238.724732]  warn_alloc.cold.119+0xb7/0x1bd
[  238.726506]  6323
[  238.732032]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.734066]  6323
[  238.738384]  ? lock_downgrade+0x900/0x900
[  238.745252]  ? trace_hardirqs_off+0xb8/0x310
[  238.747301] Node 0 
[  238.751447]  ? trace_hardirqs_off+0xb8/0x310
[  238.755853] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  238.758063]  __alloc_pages_slowpath+0x2667/0x2d80
[  238.762450] lowmem_reserve[]:
[  238.789450]  ? warn_alloc+0x120/0x120
[  238.794263]  0
[  238.797363]  ? warn_alloc+0x120/0x120
[  238.801144]  0
[  238.802936]  ? warn_alloc+0x120/0x120
[  238.806709]  3503
[  238.808504]  ? mark_held_locks+0x130/0x130
[  238.812278]  3503
[  238.814332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.820602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.826103] Node 0 
[  238.831632]  ? should_fail+0x22d/0xd01
[  238.831667] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  238.833871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.837732] lowmem_reserve[]:
[  238.866201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.871273]  0
[  238.874368]  ? should_fail+0x22d/0xd01
[  238.879876]  0
[  238.881673]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.885528]  0
[  238.887328]  ? should_fail+0x22d/0xd01
[  238.892400]  0
[  238.894196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.899854]  ? mark_held_locks+0x130/0x130
[  238.904926] Node 0 DMA: 
[  238.909150]  ? mark_held_locks+0x130/0x130
[  238.909167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.911811] 1*4kB 
[  238.916035]  ? mark_held_locks+0x130/0x130
[  238.921545] (U) 
[  238.923800]  ? trace_hardirqs_on+0x310/0x310
[  238.928006] 0*8kB 
[  238.929974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.934351] 0*16kB 
[  238.936490]  ? wq_watchdog_touch+0x9c/0xfe
[  238.942000] 1*32kB 
[  238.944227]  ? io_serial_in+0x11/0x90
[  238.948460] (U) 
[  238.950689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.954465] 2*64kB 
[  238.956432]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.961939] (U) 
[  238.964176]  __alloc_pages_nodemask+0xa80/0xde0
[  238.969249] 1*128kB 
[  238.971219]  ? should_fail+0x22d/0xd01
[  238.975859] (U) 
[  238.978178]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  238.982035] 1*256kB 
[  238.984011]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.988985] (U) 
[  238.991304]  ? lock_downgrade+0x900/0x900
[  238.995948] 0*512kB 
[  238.997916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.002040] 1*1024kB 
[  239.004355]  cache_grow_begin+0x91/0x8c0
[  239.009859] (U) 
[  239.012262]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.016292] 1*2048kB 
[  239.018258]  fallback_alloc+0x203/0x2e0
[  239.022639] (M) 
[  239.025040]  ____cache_alloc_node+0x1c7/0x1e0
[  239.028985] 3*4096kB 
[  239.030969]  kmem_cache_alloc_node+0xe3/0x730
[  239.035442] (M) 
[  239.037844]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.042311] = 15908kB
[  239.044287]  __alloc_skb+0x119/0x770
[  239.048490] Node 0 
[  239.051121]  ? skb_scrub_packet+0x490/0x490
[  239.054810] DMA32: 
[  239.057043]  ? lock_downgrade+0x900/0x900
[  239.061341] 3*4kB 
[  239.063568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.067688] (ME) 
[  239.069836]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.075344] 2*8kB 
[  239.077399]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.082818] (ME) 
[  239.084959]  ? addrconf_rs_timer+0x690/0x690
[  239.090384] 4*16kB 
[  239.092437]  ndisc_alloc_skb+0x144/0x340
[  239.096814] (UME) 
[  239.099042]  ndisc_send_rs+0x331/0x6e0
[  239.103516] 3*32kB 
[  239.105656]  addrconf_rs_timer+0x314/0x690
[  239.109514] (ME) 
[  239.111743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.115952] 5*64kB 
[  239.118009]  call_timer_fn+0x272/0x920
[  239.122209] (ME) 
[  239.124435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.128294] 5*128kB 
[  239.130346]  ? process_timeout+0x40/0x40
[  239.134555] (UME) 
[  239.136878]  ? trace_hardirqs_off+0xb8/0x310
[  239.140915] 5*256kB 
[  239.143056]  ? kasan_check_read+0x11/0x20
[  239.147435] (UME) 
[  239.149756]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.153877] 4*512kB 
[  239.156016]  ? trace_hardirqs_on+0x310/0x310
[  239.160395] (ME) 
[  239.162713]  ? __run_timers+0x7da/0xc70
[  239.167180] 4*1024kB 
[  239.169236]  ? lock_downgrade+0x900/0x900
[  239.173184] (UME) 
[  239.175598]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.179746] 2*2048kB 
[  239.181889]  ? trace_hardirqs_on+0xbd/0x310
[  239.186960] (ME) 
[  239.189366]  ? kasan_check_read+0x11/0x20
[  239.193658] 3*4096kB 
[  239.195710]  ? __run_timers+0x7da/0xc70
[  239.199847] (M) 
[  239.202254]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  239.206203] = 24956kB
[  239.208169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.213592] Node 0 
[  239.215994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.221507] Normal: 
[  239.223735]  __run_timers+0x7e5/0xc70
[  239.227949] 1016*4kB 
[  239.230275]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  239.234036] (UME) 
[  239.236438]  ? lock_acquire+0x1ed/0x520
[  239.241770] 447*8kB (ME) 
[  239.243922]  ? __hrtimer_run_queues+0x488/0x10d0
[  239.247874] 188*16kB 
[  239.250623]  ? lock_release+0x970/0x970
[  239.255349] (UME) 
[  239.257750]  ? trace_hardirqs_off+0xb8/0x310
[  239.261700] 54*32kB 
[  239.263842]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.268218] (UME) 
[  239.270534]  ? kasan_check_write+0x14/0x20
[  239.274912] 20*64kB 
[  239.277054]  ? pvclock_read_flags+0x160/0x160
[  239.281264] (UM) 
[  239.283582]  ? lock_downgrade+0x900/0x900
[  239.288054] 0*128kB 
[  239.290116]  ? trace_hardirqs_on+0xbd/0x310
[  239.294235] 0*256kB 
[  239.296549]  ? kvm_sched_clock_read+0x9/0x20
[  239.300843] 0*512kB 
[  239.303160]  ? irq_exit+0x17f/0x1c0
[  239.307539] 0*1024kB 
[  239.309858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.313457] 0*2048kB 
[  239.315867]  ? check_preemption_disabled+0x48/0x200
[  239.321377] 0*4096kB 
[  239.323773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.323793]  run_timer_softirq+0x52/0xb0
[  239.328785] = 13656kB
[  239.331187]  ? __this_cpu_preempt_check+0x1c/0x1f
[  239.336705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  239.340749]  __do_softirq+0x30b/0xad8
[  239.343152] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  239.347978]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  239.356783] 4246 total pagecache pages
[  239.360572]  ? pvclock_read_flags+0x160/0x160
[  239.369122] 0 pages in swap cache
[  239.374212]  ? lapic_next_event+0x5a/0x90
[  239.378094] Swap cache stats: add 0, delete 0, find 0/0
[  239.382576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.385999] Free swap  = 0kB
[  239.390138]  ? clockevents_program_event+0x140/0x370
[  239.395474] Total swap = 0kB
[  239.401005]  ? kvm_clock_read+0x18/0x30
[  239.403996] 1965979 pages RAM
[  239.409102]  ? kvm_sched_clock_read+0x9/0x20
[  239.412102] 0 pages HighMem/MovableOnly
[  239.416066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.419153] 342307 pages reserved
[  239.423553]  ? check_preemption_disabled+0x48/0x200
[  239.427497] 0 pages cma reserved
[  239.433028]  irq_exit+0x17f/0x1c0
[  239.436500] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.441454]  smp_apic_timer_interrupt+0x1cb/0x760
[  239.444867] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.448244]  ? smp_reschedule_interrupt+0x109/0x650
[  239.454709] ksoftirqd/0 cpuset=
[  239.459545]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.469826] /
[  239.474834]  ? interrupt_entry+0xb5/0xf0
[  239.478101]  mems_allowed=0
[  239.483974]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.497715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.502727]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.507567]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.512581]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.517606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.523143]  ? check_preemption_disabled+0x48/0x200
[  239.528164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.533011]  apic_timer_interrupt+0xf/0x20
[  239.537235]  </IRQ>
[  239.539473] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  239.544401] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  239.563296] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  239.571003] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  239.578265] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  239.585529] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  239.592796] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  239.600060] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  239.607353]  ? trace_hardirqs_on+0xb4/0x310
[  239.611686]  skb_clone+0x1bb/0x500
[  239.615226]  ? skb_split+0x11e0/0x11e0
[  239.619113]  ? preempt_notifier_register+0x200/0x200
[  239.624216]  ? __switch_to_asm+0x34/0x70
[  239.628272]  ? __switch_to_asm+0x34/0x70
[  239.632333]  ? __switch_to_asm+0x40/0x70
[  239.636387]  ? __switch_to_asm+0x34/0x70
[  239.640443]  ? __switch_to_asm+0x40/0x70
[  239.644505]  ? __switch_to_asm+0x40/0x70
[  239.648562]  ? __switch_to_asm+0x34/0x70
[  239.652626]  ? __switch_to_asm+0x34/0x70
[  239.656683]  ? __switch_to_asm+0x40/0x70
[  239.660741]  ? __switch_to_asm+0x34/0x70
[  239.664801]  bpf_clone_redirect+0xb9/0x490
[  239.669040]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  239.674052]  ? __sched_text_start+0x8/0x8
[  239.678204]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  239.682959]  ? retint_kernel+0x2d/0x2d
[  239.686843]  ? trace_hardirqs_on_caller+0xc0/0x310
[  239.691773]  ? rcu_gp_kthread+0x2310/0x2310
[  239.696096]  ? trace_hardirqs_off+0x310/0x310
[  239.700859]  ? lock_acquire+0x1ed/0x520
[  239.704834]  ? bpf_test_run+0x3cb/0x780
[  239.708806]  ? lock_downgrade+0x900/0x900
[  239.712951]  ? lock_release+0x970/0x970
[  239.716924]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  239.722721]  ? preempt_schedule_common+0x1f/0xd0
[  239.727473]  ? preempt_schedule+0x4d/0x60
[  239.731619]  ? ___preempt_schedule+0x16/0x18
[  239.736026]  ? bpf_test_run+0x25d/0x780
[  239.740006]  ? netlink_diag_dump+0x2a0/0x2a0
[  239.744414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.749950]  ? bpf_test_init.isra.9+0x70/0x100
[  239.754536]  ? bpf_prog_test_run_skb+0x634/0xb40
[  239.759295]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  239.764135]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  239.769666]  ? fput+0x130/0x1a0
[  239.772941]  ? __bpf_prog_get+0x9b/0x290
[  239.777003]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  239.781857]  ? bpf_prog_test_run+0x130/0x1a0
[  239.786267]  ? __x64_sys_bpf+0x3d8/0x510
[  239.790325]  ? bpf_prog_get+0x20/0x20
[  239.794135]  ? do_syscall_64+0x1b9/0x820
[  239.798210]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  239.803572]  ? syscall_return_slowpath+0x5e0/0x5e0
[  239.808503]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.813344]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.818356]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  239.823372]  ? prepare_exit_to_usermode+0x291/0x3b0
[  239.828389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.833235]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  239.838613] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  239.838666] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.845449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.845454] Call Trace:
[  239.845479]  dump_stack+0x1c4/0x2b4
[  239.845496]  ? dump_stack_print_info.cold.2+0x52/0x52
[  239.852020] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.861320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.863876] syz-executor4 cpuset=
[  239.867501]  warn_alloc.cold.119+0xb7/0x1bd
[  239.872659] syz4
[  239.883134]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.888642]  mems_allowed=0
[  239.892099]  ? lock_downgrade+0x900/0x900
[  239.910246]  ? trace_hardirqs_off+0xb8/0x310
[  239.914753]  ? trace_hardirqs_off+0xb8/0x310
[  239.919168]  __alloc_pages_slowpath+0x2667/0x2d80
[  239.924025]  ? mark_held_locks+0x130/0x130
[  239.928259]  ? warn_alloc+0x120/0x120
[  239.932059]  ? warn_alloc+0x120/0x120
[  239.935873]  ? warn_alloc+0x120/0x120
[  239.939673]  ? mark_held_locks+0x130/0x130
[  239.943909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.949442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.954981]  ? should_fail+0x22d/0xd01
[  239.958870]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.963973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.969506]  ? should_fail+0x22d/0xd01
[  239.973392]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.978503]  ? should_fail+0x22d/0xd01
[  239.982390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.987494]  ? mark_held_locks+0x130/0x130
[  239.991729]  ? mark_held_locks+0x130/0x130
[  239.995962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.001500]  ? trace_hardirqs_off+0xb8/0x310
[  240.005903]  ? kasan_check_read+0x11/0x20
[  240.010047]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.014462]  ? trace_hardirqs_on+0x310/0x310
[  240.018864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.024400]  ? wq_watchdog_touch+0x9c/0xfe
[  240.028633]  ? io_serial_in+0x11/0x90
[  240.032434]  ? retint_kernel+0x2d/0x2d
[  240.036317]  ? trace_hardirqs_on_caller+0xc0/0x310
[  240.041246]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.045998]  ? trace_hardirqs_off+0x310/0x310
[  240.050494]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.055618]  __alloc_pages_nodemask+0xa80/0xde0
[  240.060282]  ? should_fail+0x22d/0xd01
[  240.064171]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  240.069200]  ? ____cache_alloc_node+0x1c7/0x1e0
[  240.073866]  ? lock_downgrade+0x900/0x900
[  240.078015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.083551]  cache_grow_begin+0x91/0x8c0
[  240.087613]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.092022]  fallback_alloc+0x203/0x2e0
[  240.096000]  ____cache_alloc_node+0x1c7/0x1e0
[  240.100499]  kmem_cache_alloc_node+0xe3/0x730
[  240.105445]  ? ipv6_get_ifaddr+0x42e/0x620
[  240.109686]  __alloc_skb+0x119/0x770
[  240.113404]  ? skb_scrub_packet+0x490/0x490
[  240.117727]  ? lock_downgrade+0x900/0x900
[  240.121875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.127411]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.132859]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.138306]  ? addrconf_rs_timer+0x690/0x690
[  240.142718]  ndisc_alloc_skb+0x144/0x340
[  240.146778]  ndisc_send_rs+0x331/0x6e0
[  240.150664]  addrconf_rs_timer+0x314/0x690
[  240.154894]  ? lock_release+0x970/0x970
[  240.158865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.163120]  call_timer_fn+0x272/0x920
[  240.167004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.171241]  ? process_timeout+0x40/0x40
[  240.175296]  ? kasan_check_read+0x11/0x20
[  240.179445]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.183860]  ? trace_hardirqs_on+0x310/0x310
[  240.188267]  ? __run_timers+0x7da/0xc70
[  240.192247]  ? lock_downgrade+0x900/0x900
[  240.196396]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.201495]  ? trace_hardirqs_on+0xbd/0x310
[  240.205812]  ? kasan_check_read+0x11/0x20
[  240.210044]  ? __run_timers+0x7da/0xc70
[  240.214027]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.219475]  ? kasan_check_write+0x14/0x20
[  240.223707]  ? do_raw_spin_lock+0xc1/0x200
[  240.227942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.232172]  __run_timers+0x7e5/0xc70
[  240.236135]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  240.241496]  ? lock_downgrade+0x900/0x900
[  240.245657]  ? finish_task_switch+0x1b5/0x900
[  240.250153]  ? trace_hardirqs_on+0xbd/0x310
[  240.254472]  ? kasan_check_read+0x11/0x20
[  240.258616]  ? finish_task_switch+0x1f5/0x900
[  240.263116]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.268561]  ? compat_start_thread+0x80/0x80
[  240.272978]  ? pvclock_read_flags+0x160/0x160
[  240.277472]  ? __switch_to_asm+0x34/0x70
[  240.281529]  ? __switch_to_asm+0x34/0x70
[  240.285588]  ? __switch_to_asm+0x40/0x70
[  240.289645]  ? __switch_to_asm+0x40/0x70
[  240.293704]  ? __switch_to_asm+0x34/0x70
[  240.297759]  ? __switch_to_asm+0x40/0x70
[  240.301818]  ? trace_hardirqs_on+0xbd/0x310
[  240.306182]  ? kvm_sched_clock_read+0x9/0x20
[  240.310591]  ? run_ksoftirqd+0x94/0x100
[  240.314568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.320109]  ? check_preemption_disabled+0x48/0x200
[  240.325122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.330664]  run_timer_softirq+0x52/0xb0
[  240.334722]  ? __this_cpu_preempt_check+0x1c/0x1f
[  240.339558]  __do_softirq+0x30b/0xad8
[  240.343361]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  240.348461]  ? trace_hardirqs_off+0x310/0x310
[  240.352951]  ? retint_kernel+0x1b/0x2d
[  240.356843]  ? schedule+0x108/0x460
[  240.360474]  ? trace_hardirqs_off+0xb8/0x310
[  240.364881]  ? smpboot_thread_fn+0x68b/0xa00
[  240.369289]  ? trace_hardirqs_on+0x310/0x310
[  240.373696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.379231]  ? check_preemption_disabled+0x48/0x200
[  240.384252]  ? takeover_tasklets+0xa90/0xa90
[  240.388660]  run_ksoftirqd+0x94/0x100
[  240.392459]  smpboot_thread_fn+0x68b/0xa00
[  240.396697]  ? sort_range+0x30/0x30
[  240.400324]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.405426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.410958]  ? __kthread_parkme+0xfb/0x1a0
[  240.415196]  kthread+0x35a/0x420
[  240.418556]  ? sort_range+0x30/0x30
[  240.422181]  ? kthread_bind+0x40/0x40
[  240.425981]  ret_from_fork+0x3a/0x50
[  240.429696] warn_alloc_show_mem: 1 callbacks suppressed
[  240.429708] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  240.429710] Mem-Info:
[  240.429740] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  240.429740]  active_file:17 inactive_file:15 isolated_file:0
[  240.429740]  unevictable:0 dirty:0 writeback:0 unstable:0
[  240.429740]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  240.429740]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  240.429740]  free:13630 free_pcp:175 free_cma:0
[  240.435095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.442371] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  240.444767] Call Trace:
[  240.477807] Node 0 
[  240.487152]  <IRQ>
[  240.514927] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  240.517485]  dump_stack+0x1c4/0x2b4
[  240.519692] lowmem_reserve[]:
[  240.521834]  ? dump_stack_print_info.cold.2+0x52/0x52
[  240.547317]  0 2819
[  240.550956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.554030]  6323
[  240.559213]  warn_alloc.cold.119+0xb7/0x1bd
[  240.561419]  6323
[  240.566948]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.573300]  ? lock_downgrade+0x900/0x900
[  240.575333] Node 0 
[  240.580264]  ? trace_hardirqs_off+0xb8/0x310
[  240.584409] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  240.586619]  ? trace_hardirqs_off+0xb8/0x310
[  240.590992] lowmem_reserve[]: 0
[  240.617979]  __alloc_pages_slowpath+0x2667/0x2d80
[  240.622357]  0
[  240.625638]  ? warn_alloc+0x120/0x120
[  240.630452]  3503
[  240.632248]  ? warn_alloc+0x120/0x120
[  240.636016]  3503
[  240.638088]  ? warn_alloc+0x120/0x120
[  240.641866] Node 0 
[  240.643924]  ? mark_held_locks+0x130/0x130
[  240.647718] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  240.649928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.649945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.654164] lowmem_reserve[]:
[  240.682623]  ? should_fail+0x22d/0xd01
[  240.688146]  0
[  240.693680]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.696757]  0
[  240.700636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.702407]  0
[  240.707530]  ? should_fail+0x22d/0xd01
[  240.709304]  0
[  240.714834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.720481]  ? should_fail+0x22d/0xd01
[  240.722262] Node 0 
[  240.727369]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.731227] DMA: 
[  240.733455]  ? mark_held_locks+0x130/0x130
[  240.738529] 1*4kB 
[  240.740584]  ? mark_held_locks+0x130/0x130
[  240.744792] (U) 
[  240.746939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.751147] 0*8kB 
[  240.753119]  ? trace_hardirqs_off+0xb8/0x310
[  240.758627] 0*16kB 
[  240.760766]  ? kasan_check_read+0x11/0x20
[  240.765147] 1*32kB 
[  240.767376]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.771492] (U) 
[  240.773721]  ? trace_hardirqs_on+0x310/0x310
[  240.778106] 2*64kB 
[  240.780084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.784468] (U) 
[  240.786695]  ? wq_watchdog_touch+0x9c/0xfe
[  240.792205] 1*128kB 
[  240.794176]  ? io_serial_in+0x11/0x90
[  240.798384] (U) 
[  240.800701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.804488] 1*256kB 
[  240.806458]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.811962] (U) 
[  240.814285]  __alloc_pages_nodemask+0xa80/0xde0
[  240.819361] 0*512kB 
[  240.821331]  ? should_fail+0x22d/0xd01
[  240.825969] 1*1024kB 
[  240.828286]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  240.832142] (U) 
[  240.834556]  ? ____cache_alloc_node+0x1c7/0x1e0
[  240.839537] 1*2048kB 
[  240.841502]  ? lock_downgrade+0x900/0x900
[  240.846139] (M) 
[  240.848540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.852660] 3*4096kB 
[  240.854631]  cache_grow_begin+0x91/0x8c0
[  240.860139] (M) 
[  240.862546]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.866578] = 15908kB
[  240.868554]  fallback_alloc+0x203/0x2e0
[  240.872933] Node 0 
[  240.875355]  ____cache_alloc_node+0x1c7/0x1e0
[  240.879305] DMA32: 
[  240.881535]  kmem_cache_alloc_node+0xe3/0x730
[  240.886004] 3*4kB 
[  240.888233]  ? ipv6_get_ifaddr+0x42e/0x620
[  240.892702] (ME) 
[  240.894855]  __alloc_skb+0x119/0x770
[  240.899092] 2*8kB 
[  240.901146]  ? skb_scrub_packet+0x490/0x490
[  240.904830] (ME) 
[  240.906971]  ? lock_downgrade+0x900/0x900
[  240.911263] 4*16kB 
[  240.913319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.917438] (UME) 
[  240.919673]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.925187] 3*32kB 
[  240.927329]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.932748] (ME) 
[  240.934979]  ? addrconf_rs_timer+0x690/0x690
[  240.940403] 5*64kB 
[  240.942456]  ndisc_alloc_skb+0x144/0x340
[  240.946837] (ME) 
[  240.949065]  ndisc_send_rs+0x331/0x6e0
[  240.953124] 5*128kB 
[  240.955177]  addrconf_rs_timer+0x314/0x690
[  240.959051] (UME) 
[  240.961371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.965583] 5*256kB 
[  240.967742]  call_timer_fn+0x272/0x920
[  240.971950] (UME) 
[  240.974266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.978128] 4*512kB 
[  240.980272]  ? process_timeout+0x40/0x40
[  240.984479] (ME) 
[  240.986793]  ? trace_hardirqs_off+0xb8/0x310
[  240.990829] 4*1024kB 
[  240.992882]  ? kasan_check_read+0x11/0x20
[  240.997265] (UME) 
[  240.999682]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.003800] 2*2048kB 
[  241.005941]  ? trace_hardirqs_on+0x310/0x310
[  241.010323] (ME) 
[  241.012730]  ? __run_timers+0x7da/0xc70
[  241.017118] 3*4096kB 
[  241.019173]  ? lock_downgrade+0x900/0x900
[  241.023118] (M) 
[  241.025524]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.029644] = 24956kB
[  241.031617]  ? trace_hardirqs_on+0xbd/0x310
[  241.036707] Node 0 
[  241.039107]  ? kasan_check_read+0x11/0x20
[  241.039124]  ? __run_timers+0x7da/0xc70
[  241.043426] Normal: 
[  241.045654]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.049775] 1016*4kB 
[  241.053756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.056052] (UME) 
[  241.061522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.063908] 447*8kB 
[  241.069445]  __run_timers+0x7e5/0xc70
[  241.071566] (ME) 
[  241.075803]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  241.078110] 188*16kB 
[  241.081903]  ? lock_acquire+0x1ed/0x520
[  241.083943] (UME) 
[  241.089298]  ? __hrtimer_run_queues+0x488/0x10d0
[  241.091681] 54*32kB 
[  241.095648]  ? lock_release+0x970/0x970
[  241.097771] (UME) 
[  241.102519]  ? trace_hardirqs_off+0xb8/0x310
[  241.104816] 20*64kB 
[  241.108784]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.112470] (UM) 
[  241.116875]  ? kasan_check_write+0x14/0x20
[  241.119181] 0*128kB 
[  241.123575]  ? pvclock_read_flags+0x160/0x160
[  241.125617] 0*256kB 
[  241.129843]  ? lock_downgrade+0x900/0x900
[  241.132143] 0*512kB 
[  241.136628]  ? trace_hardirqs_on+0xbd/0x310
[  241.138921] 0*1024kB 
[  241.143059]  ? kvm_sched_clock_read+0x9/0x20
[  241.145358] 0*2048kB 
[  241.149673]  ? irq_exit+0x17f/0x1c0
[  241.152056] 0*4096kB 
[  241.156461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.158845] = 13656kB
[  241.162461]  ? check_preemption_disabled+0x48/0x200
[  241.164852] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  241.170377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.172767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  241.177769]  run_timer_softirq+0x52/0xb0
[  241.186574] 4246 total pagecache pages
[  241.192115]  ? __this_cpu_preempt_check+0x1c/0x1f
[  241.200664] 0 pages in swap cache
[  241.204715]  __do_softirq+0x30b/0xad8
[  241.208581] Swap cache stats: add 0, delete 0, find 0/0
[  241.213412]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  241.216845] Free swap  = 0kB
[  241.220638]  ? pvclock_read_flags+0x160/0x160
[  241.225971] Total swap = 0kB
[  241.231064]  ? lapic_next_event+0x5a/0x90
[  241.234064] 1965979 pages RAM
[  241.238558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.241544] 0 pages HighMem/MovableOnly
[  241.241552] 342307 pages reserved
[  241.245695]  ? clockevents_program_event+0x140/0x370
[  241.248771] 0 pages cma reserved
[  241.254299]  ? kvm_clock_read+0x18/0x30
[  241.258295] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.261693]  ? kvm_sched_clock_read+0x9/0x20
[  241.266851] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.270137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.274093] ksoftirqd/0 cpuset=
[  241.280578]  ? check_preemption_disabled+0x48/0x200
[  241.284957] /
[  241.295261]  irq_exit+0x17f/0x1c0
[  241.300788]  mems_allowed=0
[  241.304057]  smp_apic_timer_interrupt+0x1cb/0x760
[  241.321930]  ? smp_reschedule_interrupt+0x109/0x650
[  241.326945]  ? smp_call_function_single_interrupt+0x650/0x650
[  241.332826]  ? interrupt_entry+0xb5/0xf0
[  241.336885]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.341897]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.346911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.351751]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.356762]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.361780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.367316]  ? check_preemption_disabled+0x48/0x200
[  241.372333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.377183]  apic_timer_interrupt+0xf/0x20
[  241.381412]  </IRQ>
[  241.383648] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  241.388575] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  241.407483] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  241.415197] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  241.422463] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  241.429725] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  241.436992] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  241.444255] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  241.451538]  ? trace_hardirqs_on+0xb4/0x310
[  241.455870]  skb_clone+0x1bb/0x500
[  241.459409]  ? skb_split+0x11e0/0x11e0
[  241.463295]  ? preempt_notifier_register+0x200/0x200
[  241.468395]  ? __switch_to_asm+0x34/0x70
[  241.472454]  ? __switch_to_asm+0x34/0x70
[  241.476527]  ? __switch_to_asm+0x40/0x70
[  241.480591]  ? __switch_to_asm+0x34/0x70
[  241.484647]  ? __switch_to_asm+0x40/0x70
[  241.488707]  ? __switch_to_asm+0x40/0x70
[  241.492851]  ? __switch_to_asm+0x34/0x70
[  241.496910]  ? __switch_to_asm+0x34/0x70
[  241.500966]  ? __switch_to_asm+0x40/0x70
[  241.505021]  ? __switch_to_asm+0x34/0x70
[  241.509097]  bpf_clone_redirect+0xb9/0x490
[  241.513335]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  241.518353]  ? __sched_text_start+0x8/0x8
[  241.522500]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  241.527253]  ? retint_kernel+0x2d/0x2d
[  241.531139]  ? trace_hardirqs_on_caller+0xc0/0x310
[  241.536070]  ? rcu_gp_kthread+0x2310/0x2310
[  241.540400]  ? trace_hardirqs_off+0x310/0x310
[  241.544897]  ? lock_acquire+0x1ed/0x520
[  241.548868]  ? bpf_test_run+0x3cb/0x780
[  241.552839]  ? lock_downgrade+0x900/0x900
[  241.556993]  ? lock_release+0x970/0x970
[  241.560966]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  241.566761]  ? preempt_schedule_common+0x1f/0xd0
[  241.571514]  ? preempt_schedule+0x4d/0x60
[  241.575662]  ? ___preempt_schedule+0x16/0x18
[  241.580070]  ? bpf_test_run+0x25d/0x780
[  241.584061]  ? netlink_diag_dump+0x2a0/0x2a0
[  241.588479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.594013]  ? bpf_test_init.isra.9+0x70/0x100
[  241.598603]  ? bpf_prog_test_run_skb+0x634/0xb40
[  241.603360]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  241.608197]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  241.613729]  ? fput+0x130/0x1a0
[  241.617010]  ? __bpf_prog_get+0x9b/0x290
[  241.621071]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  241.625921]  ? bpf_prog_test_run+0x130/0x1a0
[  241.630328]  ? __x64_sys_bpf+0x3d8/0x510
[  241.634387]  ? bpf_prog_get+0x20/0x20
[  241.638200]  ? do_syscall_64+0x1b9/0x820
[  241.642261]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  241.647627]  ? syscall_return_slowpath+0x5e0/0x5e0
[  241.652551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.657392]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.662412]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  241.667426]  ? prepare_exit_to_usermode+0x291/0x3b0
[  241.672443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.677288]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  241.682660] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  241.682712] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.689496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.689500] Call Trace:
[  241.689518]  dump_stack+0x1c4/0x2b4
[  241.689535]  ? dump_stack_print_info.cold.2+0x52/0x52
[  241.696244] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.705528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.708097] syz-executor4 cpuset=
[  241.711716]  warn_alloc.cold.119+0xb7/0x1bd
[  241.716877] syz4
[  241.727353]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.732862]  mems_allowed=0
[  241.736308]  ? lock_downgrade+0x900/0x900
[  241.754469]  ? trace_hardirqs_off+0xb8/0x310
[  241.758878]  ? trace_hardirqs_off+0xb8/0x310
[  241.763296]  __alloc_pages_slowpath+0x2667/0x2d80
[  241.768155]  ? mark_held_locks+0x130/0x130
[  241.772390]  ? warn_alloc+0x120/0x120
[  241.776196]  ? warn_alloc+0x120/0x120
[  241.780001]  ? warn_alloc+0x120/0x120
[  241.783804]  ? mark_held_locks+0x130/0x130
[  241.788046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.793601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.799142]  ? should_fail+0x22d/0xd01
[  241.803056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.808185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.813722]  ? should_fail+0x22d/0xd01
[  241.817611]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.822711]  ? should_fail+0x22d/0xd01
[  241.826602]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.831703]  ? mark_held_locks+0x130/0x130
[  241.835938]  ? mark_held_locks+0x130/0x130
[  241.840196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.845737]  ? trace_hardirqs_off+0xb8/0x310
[  241.850144]  ? kasan_check_read+0x11/0x20
[  241.854287]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.858692]  ? trace_hardirqs_on+0x310/0x310
[  241.863107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.868651]  ? wq_watchdog_touch+0x9c/0xfe
[  241.872892]  ? io_serial_in+0x11/0x90
[  241.876694]  ? retint_kernel+0x2d/0x2d
[  241.880582]  ? trace_hardirqs_on_caller+0xc0/0x310
[  241.885512]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  241.890266]  ? trace_hardirqs_off+0x310/0x310
[  241.894759]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.899869]  __alloc_pages_nodemask+0xa80/0xde0
[  241.904535]  ? should_fail+0x22d/0xd01
[  241.908425]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  241.913458]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.918123]  ? lock_downgrade+0x900/0x900
[  241.922272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.927812]  cache_grow_begin+0x91/0x8c0
[  241.931875]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.936287]  fallback_alloc+0x203/0x2e0
[  241.940261]  ____cache_alloc_node+0x1c7/0x1e0
[  241.944757]  kmem_cache_alloc_node+0xe3/0x730
[  241.949250]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.953488]  __alloc_skb+0x119/0x770
[  241.957201]  ? skb_scrub_packet+0x490/0x490
[  241.961519]  ? lock_downgrade+0x900/0x900
[  241.965668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.971202]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.976657]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.982123]  ? addrconf_rs_timer+0x690/0x690
[  241.986536]  ndisc_alloc_skb+0x144/0x340
[  241.990595]  ndisc_send_rs+0x331/0x6e0
[  241.994484]  addrconf_rs_timer+0x314/0x690
[  241.998727]  ? lock_release+0x970/0x970
[  242.002705]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.006950]  call_timer_fn+0x272/0x920
[  242.010834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.015064]  ? process_timeout+0x40/0x40
[  242.019132]  ? kasan_check_read+0x11/0x20
[  242.023278]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.027685]  ? trace_hardirqs_on+0x310/0x310
[  242.032107]  ? __run_timers+0x7da/0xc70
[  242.036092]  ? lock_downgrade+0x900/0x900
[  242.040245]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.045346]  ? trace_hardirqs_on+0xbd/0x310
[  242.049660]  ? kasan_check_read+0x11/0x20
[  242.053804]  ? __run_timers+0x7da/0xc70
[  242.057775]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.063226]  ? kasan_check_write+0x14/0x20
[  242.067469]  ? do_raw_spin_lock+0xc1/0x200
[  242.071703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.075949]  __run_timers+0x7e5/0xc70
[  242.079763]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  242.085122]  ? lock_downgrade+0x900/0x900
[  242.089268]  ? finish_task_switch+0x1b5/0x900
[  242.093768]  ? trace_hardirqs_on+0xbd/0x310
[  242.098101]  ? kasan_check_read+0x11/0x20
[  242.102749]  ? finish_task_switch+0x1f5/0x900
[  242.107247]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.112694]  ? compat_start_thread+0x80/0x80
[  242.117121]  ? pvclock_read_flags+0x160/0x160
[  242.121616]  ? __switch_to_asm+0x34/0x70
[  242.125676]  ? __switch_to_asm+0x34/0x70
[  242.129733]  ? __switch_to_asm+0x40/0x70
[  242.133793]  ? __switch_to_asm+0x40/0x70
[  242.137850]  ? __switch_to_asm+0x34/0x70
[  242.141915]  ? __switch_to_asm+0x40/0x70
[  242.145979]  ? trace_hardirqs_on+0xbd/0x310
[  242.150299]  ? kvm_sched_clock_read+0x9/0x20
[  242.154712]  ? run_ksoftirqd+0x94/0x100
[  242.158690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.164224]  ? check_preemption_disabled+0x48/0x200
[  242.169239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.174790]  run_timer_softirq+0x52/0xb0
[  242.178847]  ? __this_cpu_preempt_check+0x1c/0x1f
[  242.183690]  __do_softirq+0x30b/0xad8
[  242.187493]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  242.192592]  ? trace_hardirqs_off+0x310/0x310
[  242.197096]  ? retint_kernel+0x1b/0x2d
[  242.200988]  ? schedule+0x108/0x460
[  242.204621]  ? trace_hardirqs_off+0xb8/0x310
[  242.209028]  ? smpboot_thread_fn+0x68b/0xa00
[  242.213435]  ? trace_hardirqs_on+0x310/0x310
[  242.217844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.223376]  ? check_preemption_disabled+0x48/0x200
[  242.228391]  ? takeover_tasklets+0xa90/0xa90
[  242.232799]  run_ksoftirqd+0x94/0x100
[  242.236731]  smpboot_thread_fn+0x68b/0xa00
[  242.240968]  ? sort_range+0x30/0x30
[  242.244597]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.249701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.255235]  ? __kthread_parkme+0xfb/0x1a0
[  242.259471]  kthread+0x35a/0x420
[  242.262840]  ? sort_range+0x30/0x30
[  242.266482]  ? kthread_bind+0x40/0x40
[  242.270287]  ret_from_fork+0x3a/0x50
[  242.274003] warn_alloc_show_mem: 1 callbacks suppressed
[  242.274015] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  242.274017] Mem-Info:
[  242.274048] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  242.274048]  active_file:17 inactive_file:15 isolated_file:0
[  242.274048]  unevictable:0 dirty:0 writeback:0 unstable:0
[  242.274048]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  242.274048]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  242.274048]  free:13630 free_pcp:175 free_cma:0
[  242.279383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.286669] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  242.289071] Call Trace:
[  242.322119] Node 0 
[  242.331459]  <IRQ>
[  242.359220] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  242.361775]  dump_stack+0x1c4/0x2b4
[  242.363985] lowmem_reserve[]:
[  242.366129]  ? dump_stack_print_info.cold.2+0x52/0x52
[  242.391611]  0
[  242.395236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.398313]  2819
[  242.403498]  warn_alloc.cold.119+0xb7/0x1bd
[  242.405273]  6323
[  242.410813]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.412846]  6323
[  242.417158]  ? lock_downgrade+0x900/0x900
[  242.424036]  ? trace_hardirqs_off+0xb8/0x310
[  242.426075] Node 0 
[  242.430223]  ? trace_hardirqs_off+0xb8/0x310
[  242.434631] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  242.436842]  __alloc_pages_slowpath+0x2667/0x2d80
[  242.441221] lowmem_reserve[]:
[  242.468206]  ? warn_alloc+0x120/0x120
[  242.473007]  0
[  242.476114]  ? trace_hardirqs_on+0x310/0x310
[  242.479882]  0 3503
[  242.481683]  ? warn_alloc+0x120/0x120
[  242.486062]  3503
[  242.488300]  ? warn_alloc+0x120/0x120
[  242.494138]  ? ktime_get+0x2e1/0x440
[  242.497914] Node 0 
[  242.501624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.501655] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  242.501662] lowmem_reserve[]:
[  242.503895]  ? check_preemption_disabled+0x48/0x200
[  242.509413]  0
[  242.537860]  ? kasan_check_read+0x11/0x20
[  242.540939]  0
[  242.545950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.547722]  0
[  242.551877]  ? should_fail+0x22d/0xd01
[  242.553649]  0
[  242.559180]  ? rcu_bh_qs+0xc0/0xc0
[  242.565447]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.567238] Node 0 
[  242.570769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.575846] DMA: 
[  242.578083]  ? should_fail+0x22d/0xd01
[  242.583600] 1*4kB 
[  242.585655]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.590126] (U) 
[  242.592266]  ? should_fail+0x22d/0xd01
[  242.597341] 0*8kB 
[  242.599311]  ? rcu_idle_enter+0x4b0/0x4b0
[  242.603172] 0*16kB 
[  242.605315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.609436] 1*32kB 
[  242.611662]  ? mark_held_locks+0x130/0x130
[  242.616735] (U) 
[  242.618965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.623174] 2*64kB 
[  242.625149]  ? mark_held_locks+0x130/0x130
[  242.630658] (U) 
[  242.632889]  ? rcu_irq_exit+0xce/0x100
[  242.637104] 1*128kB 
[  242.639074]  ? irq_exit+0xbd/0x1c0
[  242.642947] (U) 
[  242.645261]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  242.648775] 1*256kB 
[  242.650742]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.655734] (U) 
[  242.658046]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.662432] 0*512kB 
[  242.664400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.670254] 1*1024kB 
[  242.672569]  ? ret_from_intr+0xb/0x1e
[  242.678072] (U) 
[  242.680483]  ? retint_kernel+0x2d/0x2d
[  242.684256] 1*2048kB 
[  242.686224]  ? trace_hardirqs_on_caller+0xc0/0x310
[  242.690093] (M) 
[  242.692491]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.697392] 3*4096kB 
[  242.699357]  ? trace_hardirqs_off+0x310/0x310
[  242.704093] (M) 
[  242.706496]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.710962] = 15908kB
[  242.712931]  __alloc_pages_nodemask+0xa80/0xde0
[  242.718002] Node 0 
[  242.720407]  ? should_fail+0x22d/0xd01
[  242.725061] DMA32: 
[  242.727295]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  242.731152] 3*4kB 
[  242.733390]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.738375] (ME) 
[  242.740519]  ? lock_downgrade+0x900/0x900
[  242.745159] 2*8kB 
[  242.747217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.751331] (ME) 
[  242.753476]  cache_grow_begin+0x91/0x8c0
[  242.758982] 4*16kB 
[  242.761037]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.765065] (UME) 
[  242.767304]  fallback_alloc+0x203/0x2e0
[  242.771683] 3*32kB 
[  242.773827]  ____cache_alloc_node+0x1c7/0x1e0
[  242.777773] (ME) 
[  242.780001]  kmem_cache_alloc_node+0xe3/0x730
[  242.784468] 5*64kB 
[  242.786520]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.791006] (ME) 
[  242.793240]  __alloc_skb+0x119/0x770
[  242.797444] 5*128kB 
[  242.799500]  ? skb_scrub_packet+0x490/0x490
[  242.803195] (UME) 
[  242.805512]  ? lock_downgrade+0x900/0x900
[  242.809807] 5*256kB 
[  242.811951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.816071] (UME) 
[  242.818422]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.823919] 4*512kB 
[  242.826059]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.831477] (ME) 
[  242.833791]  ? addrconf_rs_timer+0x690/0x690
[  242.839212] 4*1024kB 
[  242.841296]  ndisc_alloc_skb+0x144/0x340
[  242.845677] (UME) 
[  242.848088]  ndisc_send_rs+0x331/0x6e0
[  242.852131] 2*2048kB 
[  242.854274]  addrconf_rs_timer+0x314/0x690
[  242.858133] (ME) 
[  242.860533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.864739] 3*4096kB 
[  242.866799]  call_timer_fn+0x272/0x920
[  242.871007] (M) 
[  242.873406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.877270] = 24956kB
[  242.879241]  ? process_timeout+0x40/0x40
[  242.883444] Node 0 
[  242.885855]  ? trace_hardirqs_off+0xb8/0x310
[  242.889896] Normal: 
[  242.892124]  ? kasan_check_read+0x11/0x20
[  242.896505] 1016*4kB 
[  242.898827]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.902943] (UME) 
[  242.905352]  ? trace_hardirqs_on+0x310/0x310
[  242.909749] 447*8kB 
[  242.911896]  ? __run_timers+0x7da/0xc70
[  242.916273] (ME) 
[  242.918595]  ? lock_downgrade+0x900/0x900
[  242.922537] 188*16kB 
[  242.924605]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.928722] (UME) 
[  242.931138]  ? trace_hardirqs_on+0xbd/0x310
[  242.936207] 54*32kB 
[  242.938350]  ? kasan_check_read+0x11/0x20
[  242.942638] (UME) 
[  242.944958]  ? __run_timers+0x7da/0xc70
[  242.949084] 20*64kB 
[  242.951230]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.955171] (UM) 
[  242.957489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.962909] 0*128kB 
[  242.965400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.970910] 0*256kB 
[  242.973224]  __run_timers+0x7e5/0xc70
[  242.977430] 0*512kB 
[  242.979746]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  242.983515] 0*1024kB 
[  242.985833]  ? lock_acquire+0x1ed/0x520
[  242.991172] 0*2048kB 
[  242.993572]  ? __hrtimer_run_queues+0x488/0x10d0
[  242.993600]  ? lock_release+0x970/0x970
[  242.997562] 0*4096kB 
[  242.999962]  ? trace_hardirqs_off+0xb8/0x310
[  243.004692] = 13656kB
[  243.008658]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.011049] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  243.015444]  ? kasan_check_write+0x14/0x20
[  243.017832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  243.022227]  ? pvclock_read_flags+0x160/0x160
[  243.031034] 4246 total pagecache pages
[  243.035259]  ? lock_downgrade+0x900/0x900
[  243.043801] 0 pages in swap cache
[  243.048291]  ? trace_hardirqs_on+0xbd/0x310
[  243.052150] Swap cache stats: add 0, delete 0, find 0/0
[  243.056290]  ? kvm_sched_clock_read+0x9/0x20
[  243.059724] Free swap  = 0kB
[  243.064051]  ? irq_exit+0x17f/0x1c0
[  243.069388] Total swap = 0kB
[  243.073801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.076795] 1965979 pages RAM
[  243.080416]  ? check_preemption_disabled+0x48/0x200
[  243.083406] 0 pages HighMem/MovableOnly
[  243.088937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.092017] 342307 pages reserved
[  243.097028]  run_timer_softirq+0x52/0xb0
[  243.100970] 0 pages cma reserved
[  243.106501]  ? __this_cpu_preempt_check+0x1c/0x1f
[  243.109992] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.113971]  __do_softirq+0x30b/0xad8
[  243.113992]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  243.117382] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.122172]  ? pvclock_read_flags+0x160/0x160
[  243.128646] ksoftirqd/0 cpuset=
[  243.132435]  ? lapic_next_event+0x5a/0x90
[  243.137511] /
[  243.147816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.152285]  mems_allowed=0
[  243.155552]  ? clockevents_program_event+0x140/0x370
[  243.174920]  ? kvm_clock_read+0x18/0x30
[  243.178893]  ? kvm_sched_clock_read+0x9/0x20
[  243.183300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.188835]  ? check_preemption_disabled+0x48/0x200
[  243.193858]  irq_exit+0x17f/0x1c0
[  243.197311]  smp_apic_timer_interrupt+0x1cb/0x760
[  243.202172]  ? smp_reschedule_interrupt+0x109/0x650
[  243.207191]  ? smp_call_function_single_interrupt+0x650/0x650
[  243.213072]  ? interrupt_entry+0xb5/0xf0
[  243.217141]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.222152]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.227165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.232007]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.237029]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.242057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.247620]  ? check_preemption_disabled+0x48/0x200
[  243.252656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.257516]  apic_timer_interrupt+0xf/0x20
[  243.261751]  </IRQ>
[  243.264007] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  243.268942] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  243.287843] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  243.295556] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  243.302823] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  243.310096] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  243.317361] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  243.324625] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  243.331908]  ? trace_hardirqs_on+0xb4/0x310
[  243.336240]  skb_clone+0x1bb/0x500
[  243.339779]  ? skb_split+0x11e0/0x11e0
[  243.343667]  ? preempt_notifier_register+0x200/0x200
[  243.348770]  ? __switch_to_asm+0x34/0x70
[  243.352826]  ? __switch_to_asm+0x34/0x70
[  243.356887]  ? __switch_to_asm+0x40/0x70
[  243.360947]  ? __switch_to_asm+0x34/0x70
[  243.365004]  ? __switch_to_asm+0x40/0x70
[  243.369060]  ? __switch_to_asm+0x40/0x70
[  243.373125]  ? __switch_to_asm+0x34/0x70
[  243.377182]  ? __switch_to_asm+0x34/0x70
[  243.381238]  ? __switch_to_asm+0x40/0x70
[  243.385293]  ? __switch_to_asm+0x34/0x70
[  243.389356]  bpf_clone_redirect+0xb9/0x490
[  243.393601]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  243.398621]  ? __sched_text_start+0x8/0x8
[  243.402767]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  243.407520]  ? retint_kernel+0x2d/0x2d
[  243.411414]  ? trace_hardirqs_on_caller+0xc0/0x310
[  243.416348]  ? rcu_gp_kthread+0x2310/0x2310
[  243.420672]  ? trace_hardirqs_off+0x310/0x310
[  243.425170]  ? lock_acquire+0x1ed/0x520
[  243.429143]  ? bpf_test_run+0x3cb/0x780
[  243.433119]  ? lock_downgrade+0x900/0x900
[  243.437266]  ? lock_release+0x970/0x970
[  243.441237]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  243.447034]  ? preempt_schedule_common+0x1f/0xd0
[  243.451786]  ? preempt_schedule+0x4d/0x60
[  243.455934]  ? ___preempt_schedule+0x16/0x18
[  243.460346]  ? bpf_test_run+0x25d/0x780
[  243.464322]  ? netlink_diag_dump+0x2a0/0x2a0
[  243.468734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.474268]  ? bpf_test_init.isra.9+0x70/0x100
[  243.478850]  ? bpf_prog_test_run_skb+0x634/0xb40
[  243.483610]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  243.488456]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  243.493994]  ? fput+0x130/0x1a0
[  243.497276]  ? __bpf_prog_get+0x9b/0x290
[  243.501336]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  243.506173]  ? bpf_prog_test_run+0x130/0x1a0
[  243.510583]  ? __x64_sys_bpf+0x3d8/0x510
[  243.514645]  ? bpf_prog_get+0x20/0x20
[  243.518460]  ? do_syscall_64+0x1b9/0x820
[  243.522519]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  243.527881]  ? syscall_return_slowpath+0x5e0/0x5e0
[  243.532808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.537655]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.542668]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  243.547684]  ? prepare_exit_to_usermode+0x291/0x3b0
[  243.552699]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.557544]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  243.562916] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  243.562970] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.569750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  243.569755] Call Trace:
[  243.569772]  dump_stack+0x1c4/0x2b4
[  243.569789]  ? dump_stack_print_info.cold.2+0x52/0x52
[  243.576348] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.585620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.588178] syz-executor4 cpuset=
[  243.591797]  warn_alloc.cold.119+0xb7/0x1bd
[  243.596957] syz4
[  243.607433]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.612942]  mems_allowed=0
[  243.616387]  ? lock_downgrade+0x900/0x900
[  243.634511]  ? trace_hardirqs_off+0xb8/0x310
[  243.638921]  ? trace_hardirqs_off+0xb8/0x310
[  243.643332]  __alloc_pages_slowpath+0x2667/0x2d80
[  243.648186]  ? mark_held_locks+0x130/0x130
[  243.652458]  ? warn_alloc+0x120/0x120
[  243.656268]  ? warn_alloc+0x120/0x120
[  243.660070]  ? warn_alloc+0x120/0x120
[  243.663885]  ? mark_held_locks+0x130/0x130
[  243.668124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.673658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.679196]  ? should_fail+0x22d/0xd01
[  243.683094]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.688196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.693731]  ? should_fail+0x22d/0xd01
[  243.697617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.702715]  ? should_fail+0x22d/0xd01
[  243.706604]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.711708]  ? mark_held_locks+0x130/0x130
[  243.715947]  ? mark_held_locks+0x130/0x130
[  243.720182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.725718]  ? trace_hardirqs_off+0xb8/0x310
[  243.730123]  ? kasan_check_read+0x11/0x20
[  243.734268]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.738672]  ? trace_hardirqs_on+0x310/0x310
[  243.743075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.748627]  ? wq_watchdog_touch+0x9c/0xfe
[  243.752864]  ? io_serial_in+0x11/0x90
[  243.756667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.762208]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.767328]  __alloc_pages_nodemask+0xa80/0xde0
[  243.772099]  ? should_fail+0x22d/0xd01
[  243.775991]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  243.781021]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.785686]  ? lock_downgrade+0x900/0x900
[  243.789838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.795378]  cache_grow_begin+0x91/0x8c0
[  243.799441]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.803855]  fallback_alloc+0x203/0x2e0
[  243.807831]  ____cache_alloc_node+0x1c7/0x1e0
[  243.812329]  kmem_cache_alloc_node+0xe3/0x730
[  243.816821]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.821057]  __alloc_skb+0x119/0x770
[  243.824784]  ? skb_scrub_packet+0x490/0x490
[  243.829115]  ? lock_downgrade+0x900/0x900
[  243.833267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.838802]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.844256]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.849705]  ? addrconf_rs_timer+0x690/0x690
[  243.854120]  ndisc_alloc_skb+0x144/0x340
[  243.858186]  ndisc_send_rs+0x331/0x6e0
[  243.862072]  addrconf_rs_timer+0x314/0x690
[  243.866316]  ? lock_release+0x970/0x970
[  243.870292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.874532]  call_timer_fn+0x272/0x920
[  243.878419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.882651]  ? process_timeout+0x40/0x40
[  243.886710]  ? kasan_check_read+0x11/0x20
[  243.890855]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.895265]  ? trace_hardirqs_on+0x310/0x310
[  243.899671]  ? __run_timers+0x7da/0xc70
[  243.903643]  ? lock_downgrade+0x900/0x900
[  243.907814]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.912919]  ? trace_hardirqs_on+0xbd/0x310
[  243.917237]  ? kasan_check_read+0x11/0x20
[  243.921387]  ? __run_timers+0x7da/0xc70
[  243.925368]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.930818]  ? kasan_check_write+0x14/0x20
[  243.935053]  ? do_raw_spin_lock+0xc1/0x200
[  243.939297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.943533]  __run_timers+0x7e5/0xc70
[  243.947341]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  243.952700]  ? lock_downgrade+0x900/0x900
[  243.956845]  ? finish_task_switch+0x1b5/0x900
[  243.961340]  ? trace_hardirqs_on+0xbd/0x310
[  243.965653]  ? kasan_check_read+0x11/0x20
[  243.969797]  ? finish_task_switch+0x1f5/0x900
[  243.974288]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.979738]  ? compat_start_thread+0x80/0x80
[  243.984178]  ? pvclock_read_flags+0x160/0x160
[  243.988685]  ? __switch_to_asm+0x34/0x70
[  243.992742]  ? __switch_to_asm+0x34/0x70
[  243.996801]  ? __switch_to_asm+0x40/0x70
[  244.000861]  ? __switch_to_asm+0x40/0x70
[  244.004917]  ? __switch_to_asm+0x34/0x70
[  244.008972]  ? __switch_to_asm+0x40/0x70
[  244.013031]  ? trace_hardirqs_on+0xbd/0x310
[  244.017356]  ? kvm_sched_clock_read+0x9/0x20
[  244.021766]  ? run_ksoftirqd+0x94/0x100
[  244.025737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.031277]  ? check_preemption_disabled+0x48/0x200
[  244.036288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.041826]  run_timer_softirq+0x52/0xb0
[  244.045884]  ? __this_cpu_preempt_check+0x1c/0x1f
[  244.050728]  __do_softirq+0x30b/0xad8
[  244.054531]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  244.059631]  ? trace_hardirqs_off+0x310/0x310
[  244.064120]  ? retint_kernel+0x1b/0x2d
[  244.068034]  ? schedule+0x108/0x460
[  244.071666]  ? trace_hardirqs_off+0xb8/0x310
[  244.076074]  ? smpboot_thread_fn+0x68b/0xa00
[  244.080496]  ? trace_hardirqs_on+0x310/0x310
[  244.084905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.090451]  ? check_preemption_disabled+0x48/0x200
[  244.095475]  ? takeover_tasklets+0xa90/0xa90
[  244.099882]  run_ksoftirqd+0x94/0x100
[  244.103913]  smpboot_thread_fn+0x68b/0xa00
[  244.108150]  ? sort_range+0x30/0x30
[  244.111779]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.116890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.122426]  ? __kthread_parkme+0xfb/0x1a0
[  244.126660]  kthread+0x35a/0x420
[  244.130057]  ? sort_range+0x30/0x30
[  244.133691]  ? kthread_bind+0x40/0x40
[  244.137490]  ret_from_fork+0x3a/0x50
[  244.141212] warn_alloc_show_mem: 1 callbacks suppressed
[  244.141224] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  244.141226] Mem-Info:
[  244.141256] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  244.141256]  active_file:17 inactive_file:15 isolated_file:0
[  244.141256]  unevictable:0 dirty:0 writeback:0 unstable:0
[  244.141256]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  244.141256]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  244.141256]  free:13630 free_pcp:175 free_cma:0
[  244.146597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.153864] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  244.156264] Call Trace:
[  244.189302] Node 0 
[  244.198684]  <IRQ>
[  244.226449] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  244.229008]  dump_stack+0x1c4/0x2b4
[  244.231215] lowmem_reserve[]:
[  244.233834]  ? dump_stack_print_info.cold.2+0x52/0x52
[  244.259310]  0
[  244.262934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.266010]  2819
[  244.271191]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  244.272964]  6323
[  244.278493]  warn_alloc.cold.119+0xb7/0x1bd
[  244.280523]  6323
[  244.286224]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.292568]  ? lock_downgrade+0x900/0x900
[  244.294602] Node 0 
[  244.299435]  ? trace_hardirqs_off+0xb8/0x310
[  244.303580] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  244.305785]  ? trace_hardirqs_off+0xb8/0x310
[  244.310170] lowmem_reserve[]:
[  244.337747]  __alloc_pages_slowpath+0x2667/0x2d80
[  244.342128]  0
[  244.345237]  ? warn_alloc+0x120/0x120
[  244.350037]  0
[  244.351829]  ? warn_alloc+0x120/0x120
[  244.355603]  3503
[  244.357396]  ? warn_alloc+0x120/0x120
[  244.361166]  3503
[  244.363222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.369047]  ? warn_alloc+0x120/0x120
[  244.374555] Node 0 Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  244.378377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.378396]  ? should_fail+0x22d/0xd01
[  244.407431] lowmem_reserve[]:
[  244.412966]  ? rcu_bh_qs+0xc0/0xc0
[  244.416826]  0
[  244.419928]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.423436]  0
[  244.425231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.430301]  0
[  244.432107]  ? should_fail+0x22d/0xd01
[  244.437612]  0
[  244.439410]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.445065]  ? should_fail+0x22d/0xd01
[  244.450146] Node 0 DMA: 
[  244.454025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.454042]  ? mark_held_locks+0x130/0x130
[  244.456690] 1*4kB 
[  244.461785]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.465988] (U) 
[  244.468130]  ? should_fail+0x22d/0xd01
[  244.473209] 0*8kB 
[  244.475179]  ? mark_held_locks+0x130/0x130
[  244.479055] 0*16kB 
[  244.481200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.485415] 1*32kB 
[  244.487643]  ? mark_held_locks+0x130/0x130
[  244.492715] (U) 
[  244.494941]  ? mark_held_locks+0x130/0x130
[  244.499146] 2*64kB 
[  244.501120]  ? ret_from_intr+0xb/0x1e
[  244.505323] (U) 
[  244.507556]  ? retint_kernel+0x2d/0x2d
[  244.511334] 1*128kB 
[  244.513299]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.517169] (U) 
[  244.519574]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.524473] 1*256kB 
[  244.526443]  ? trace_hardirqs_off+0x310/0x310
[  244.531180] (U) 
[  244.533495]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.537962] 0*512kB 
[  244.539936]  __alloc_pages_nodemask+0xa80/0xde0
[  244.545008] 1*1024kB 
[  244.547325]  ? should_fail+0x22d/0xd01
[  244.551958] (U) 1*2048kB (M) 3*4096kB 
[  244.554383]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  244.558240] (M) 
[  244.562133]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.567116] = 15908kB
[  244.569092]  ? lock_downgrade+0x900/0x900
[  244.573739] Node 0 
[  244.576142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.580259] DMA32: 
[  244.582491]  cache_grow_begin+0x91/0x8c0
[  244.588002] 3*4kB 
[  244.590235]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.594270] (ME) 
[  244.596413]  fallback_alloc+0x203/0x2e0
[  244.600795] 2*8kB 
[  244.602848]  ____cache_alloc_node+0x1c7/0x1e0
[  244.606796] (ME) 
[  244.608939]  kmem_cache_alloc_node+0xe3/0x730
[  244.613406] 4*16kB 
[  244.615462]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.619926] (UME) 
[  244.622153]  __alloc_skb+0x119/0x770
[  244.626360] 3*32kB 
[  244.628516]  ? skb_scrub_packet+0x490/0x490
[  244.632217] (ME) 
[  244.634452]  ? lock_downgrade+0x900/0x900
[  244.638743] 5*64kB 
[  244.640803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.644919] (ME) 
[  244.647151]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.652657] 5*128kB 
[  244.654712]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.660135] (UME) 
[  244.662452]  ? addrconf_rs_timer+0x690/0x690
[  244.667878] 5*256kB 
[  244.670020]  ndisc_alloc_skb+0x144/0x340
[  244.674400] (UME) 
[  244.676714]  ndisc_send_rs+0x331/0x6e0
[  244.680750] 4*512kB 
[  244.682886]  addrconf_rs_timer+0x314/0x690
[  244.686750] (ME) 
[  244.689065]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  244.693268] 4*1024kB 
[  244.695319]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.700829] (UME) 
[  244.703232]  call_timer_fn+0x272/0x920
[  244.707438] 2*2048kB 
[  244.709632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.713499] (ME) 
[  244.715902]  ? process_timeout+0x40/0x40
[  244.715915]  ? trace_hardirqs_off+0xb8/0x310
[  244.715931]  ? kasan_check_read+0x11/0x20
[  244.720142] 3*4096kB 
[  244.722204]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.726245] (M) 
[  244.730644]  ? trace_hardirqs_on+0x310/0x310
[  244.734762] = 24956kB
[  244.737164]  ? __run_timers+0x7da/0xc70
[  244.741546] Node 0 
[  244.743512]  ? lock_downgrade+0x900/0x900
[  244.747890] Normal: 
[  244.750291]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.754235] 1016*4kB 
[  244.756462]  ? trace_hardirqs_on+0xbd/0x310
[  244.760584] (UME) 
[  244.762906]  ? kasan_check_read+0x11/0x20
[  244.767982] 447*8kB 
[  244.770384]  ? __run_timers+0x7da/0xc70
[  244.774676] (ME) 
[  244.776819]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.780948] 188*16kB 
[  244.783263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.787204] (UME) 
[  244.789262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.794684] 54*32kB 
[  244.797092]  __run_timers+0x7e5/0xc70
[  244.802616] (UME) 
[  244.804761]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  244.808962] 20*64kB 
[  244.811274]  ? lock_acquire+0x1ed/0x520
[  244.815062] (UM) 
[  244.817222]  ? __hrtimer_run_queues+0x488/0x10d0
[  244.822560] 0*128kB 
[  244.824874]  ? lock_release+0x970/0x970
[  244.828820] 0*256kB 
[  244.830877]  ? trace_hardirqs_off+0xb8/0x310
[  244.835597] 0*512kB 0*1024kB 
[  244.837921]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.841867] 0*2048kB 
[  244.844182]  ? kasan_check_write+0x14/0x20
[  244.848556] 0*4096kB = 13656kB
[  244.851662]  ? pvclock_read_flags+0x160/0x160
[  244.856051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  244.858451]  ? lock_downgrade+0x900/0x900
[  244.862666] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  244.865842]  ? trace_hardirqs_on+0xbd/0x310
[  244.870309] 4246 total pagecache pages
[  244.879137]  ? kvm_sched_clock_read+0x9/0x20
[  244.883255] 0 pages in swap cache
[  244.891820]  ? irq_exit+0x17f/0x1c0
[  244.896117] Swap cache stats: add 0, delete 0, find 0/0
[  244.899991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.904372] Free swap  = 0kB
[  244.907809]  ? check_preemption_disabled+0x48/0x200
[  244.907821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.907843]  run_timer_softirq+0x52/0xb0
[  244.911442] Total swap = 0kB
[  244.916795]  ? __this_cpu_preempt_check+0x1c/0x1f
[  244.922307] 1965979 pages RAM
[  244.925315]  __do_softirq+0x30b/0xad8
[  244.930301] 0 pages HighMem/MovableOnly
[  244.935828]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  244.939867] 342307 pages reserved
[  244.942876]  ? pvclock_read_flags+0x160/0x160
[  244.947691] 0 pages cma reserved
[  244.950789]  ? lapic_next_event+0x5a/0x90
[  244.954617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.958530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.963672] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.967051]  ? clockevents_program_event+0x140/0x370
[  244.971517] ksoftirqd/0 cpuset=
[  244.974873]  ? kvm_clock_read+0x18/0x30
[  244.978993] /
[  244.985474]  ? kvm_sched_clock_read+0x9/0x20
[  244.990985]  mems_allowed=0
[  245.001283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.028105]  ? check_preemption_disabled+0x48/0x200
[  245.033130]  irq_exit+0x17f/0x1c0
[  245.036580]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.041422]  ? smp_reschedule_interrupt+0x109/0x650
[  245.046437]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.052320]  ? interrupt_entry+0xb5/0xf0
[  245.056379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.061393]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.066409]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.071250]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.076260]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.081274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.086812]  ? check_preemption_disabled+0x48/0x200
[  245.091834]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.096681]  apic_timer_interrupt+0xf/0x20
[  245.100907]  </IRQ>
[  245.103152] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  245.108093] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  245.126991] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  245.134697] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  245.141961] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  245.149227] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  245.156491] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  245.163770] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  245.171058]  ? trace_hardirqs_on+0xb4/0x310
[  245.175403]  skb_clone+0x1bb/0x500
[  245.178942]  ? skb_split+0x11e0/0x11e0
[  245.182830]  ? preempt_notifier_register+0x200/0x200
[  245.187933]  ? __switch_to_asm+0x34/0x70
[  245.191989]  ? __switch_to_asm+0x34/0x70
[  245.196044]  ? __switch_to_asm+0x40/0x70
[  245.200105]  ? __switch_to_asm+0x34/0x70
[  245.204165]  ? __switch_to_asm+0x40/0x70
[  245.208225]  ? __switch_to_asm+0x40/0x70
[  245.212281]  ? __switch_to_asm+0x34/0x70
[  245.216339]  ? __switch_to_asm+0x34/0x70
[  245.220397]  ? __switch_to_asm+0x40/0x70
[  245.224458]  ? __switch_to_asm+0x34/0x70
[  245.228517]  bpf_clone_redirect+0xb9/0x490
[  245.232759]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  245.238208]  ? __sched_text_start+0x8/0x8
[  245.242358]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.247115]  ? retint_kernel+0x2d/0x2d
[  245.251001]  ? trace_hardirqs_on_caller+0xc0/0x310
[  245.255935]  ? rcu_gp_kthread+0x2310/0x2310
[  245.260258]  ? trace_hardirqs_off+0x310/0x310
[  245.264754]  ? lock_acquire+0x1ed/0x520
[  245.268727]  ? bpf_test_run+0x3cb/0x780
[  245.272696]  ? lock_downgrade+0x900/0x900
[  245.276848]  ? lock_release+0x970/0x970
[  245.280828]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  245.286622]  ? preempt_schedule_common+0x1f/0xd0
[  245.291374]  ? preempt_schedule+0x4d/0x60
[  245.295527]  ? ___preempt_schedule+0x16/0x18
[  245.299948]  ? bpf_test_run+0x25d/0x780
[  245.303930]  ? netlink_diag_dump+0x2a0/0x2a0
[  245.308337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.313909]  ? bpf_test_init.isra.9+0x70/0x100
[  245.318506]  ? bpf_prog_test_run_skb+0x634/0xb40
[  245.323263]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  245.328108]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  245.333640]  ? fput+0x130/0x1a0
[  245.336916]  ? __bpf_prog_get+0x9b/0x290
[  245.340973]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  245.345810]  ? bpf_prog_test_run+0x130/0x1a0
[  245.350217]  ? __x64_sys_bpf+0x3d8/0x510
[  245.354273]  ? bpf_prog_get+0x20/0x20
[  245.358094]  ? do_syscall_64+0x1b9/0x820
[  245.362160]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  245.367531]  ? syscall_return_slowpath+0x5e0/0x5e0
[  245.372461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.377319]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.382338]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  245.387353]  ? prepare_exit_to_usermode+0x291/0x3b0
[  245.392368]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.397214]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  245.402590] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  245.402648] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  245.409428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  245.409432] Call Trace:
[  245.409449]  dump_stack+0x1c4/0x2b4
[  245.409466]  ? dump_stack_print_info.cold.2+0x52/0x52
[  245.416004] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  245.425296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.427854] syz-executor4 cpuset=
[  245.431476]  warn_alloc.cold.119+0xb7/0x1bd
[  245.436632] syz4
[  245.447119]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.452631]  mems_allowed=0
[  245.456102]  ? lock_downgrade+0x900/0x900
[  245.474260]  ? trace_hardirqs_off+0xb8/0x310
[  245.478669]  ? trace_hardirqs_off+0xb8/0x310
[  245.483087]  __alloc_pages_slowpath+0x2667/0x2d80
[  245.487950]  ? mark_held_locks+0x130/0x130
[  245.492188]  ? warn_alloc+0x120/0x120
[  245.495989]  ? warn_alloc+0x120/0x120
[  245.499792]  ? warn_alloc+0x120/0x120
[  245.503594]  ? mark_held_locks+0x130/0x130
[  245.507834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.513369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.518904]  ? should_fail+0x22d/0xd01
[  245.522796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.527896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.533430]  ? should_fail+0x22d/0xd01
[  245.537323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.542425]  ? should_fail+0x22d/0xd01
[  245.546323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.551426]  ? mark_held_locks+0x130/0x130
[  245.555665]  ? mark_held_locks+0x130/0x130
[  245.559897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.565432]  ? trace_hardirqs_off+0xb8/0x310
[  245.569844]  ? kasan_check_read+0x11/0x20
[  245.574006]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.578415]  ? trace_hardirqs_on+0x310/0x310
[  245.582822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.588356]  ? wq_watchdog_touch+0x9c/0xfe
[  245.592591]  ? io_serial_in+0x11/0x90
[  245.596390]  ? retint_kernel+0x2d/0x2d
[  245.600277]  ? trace_hardirqs_on_caller+0xc0/0x310
[  245.605206]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.609967]  ? trace_hardirqs_off+0x310/0x310
[  245.614460]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.619572]  __alloc_pages_nodemask+0xa80/0xde0
[  245.624241]  ? should_fail+0x22d/0xd01
[  245.628132]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  245.633160]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.637827]  ? lock_downgrade+0x900/0x900
[  245.641980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.647520]  cache_grow_begin+0x91/0x8c0
[  245.651585]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.655996]  fallback_alloc+0x203/0x2e0
[  245.659969]  ____cache_alloc_node+0x1c7/0x1e0
[  245.664469]  kmem_cache_alloc_node+0xe3/0x730
[  245.668965]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.673202]  __alloc_skb+0x119/0x770
[  245.676914]  ? skb_scrub_packet+0x490/0x490
[  245.681240]  ? lock_downgrade+0x900/0x900
[  245.685388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.690925]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.696374]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.701822]  ? addrconf_rs_timer+0x690/0x690
[  245.706236]  ndisc_alloc_skb+0x144/0x340
[  245.710294]  ndisc_send_rs+0x331/0x6e0
[  245.714181]  addrconf_rs_timer+0x314/0x690
[  245.718413]  ? lock_release+0x970/0x970
[  245.722384]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.726626]  call_timer_fn+0x272/0x920
[  245.730513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.734745]  ? process_timeout+0x40/0x40
[  245.738802]  ? kasan_check_read+0x11/0x20
[  245.742946]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.747351]  ? trace_hardirqs_on+0x310/0x310
[  245.751762]  ? __run_timers+0x7da/0xc70
[  245.755732]  ? lock_downgrade+0x900/0x900
[  245.759880]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.765006]  ? trace_hardirqs_on+0xbd/0x310
[  245.769336]  ? kasan_check_read+0x11/0x20
[  245.773480]  ? __run_timers+0x7da/0xc70
[  245.777451]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.782896]  ? kasan_check_write+0x14/0x20
[  245.787132]  ? do_raw_spin_lock+0xc1/0x200
[  245.791381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.795643]  __run_timers+0x7e5/0xc70
[  245.799449]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  245.804807]  ? lock_downgrade+0x900/0x900
[  245.808953]  ? finish_task_switch+0x1b5/0x900
[  245.813447]  ? trace_hardirqs_on+0xbd/0x310
[  245.817761]  ? kasan_check_read+0x11/0x20
[  245.821905]  ? finish_task_switch+0x1f5/0x900
[  245.826395]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.831845]  ? compat_start_thread+0x80/0x80
[  245.836267]  ? pvclock_read_flags+0x160/0x160
[  245.840760]  ? __switch_to_asm+0x34/0x70
[  245.844818]  ? __switch_to_asm+0x34/0x70
[  245.848878]  ? __switch_to_asm+0x40/0x70
[  245.852933]  ? __switch_to_asm+0x40/0x70
[  245.856988]  ? __switch_to_asm+0x34/0x70
[  245.861043]  ? __switch_to_asm+0x40/0x70
[  245.865119]  ? trace_hardirqs_on+0xbd/0x310
[  245.869439]  ? kvm_sched_clock_read+0x9/0x20
[  245.873848]  ? run_ksoftirqd+0x94/0x100
[  245.877824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.883360]  ? check_preemption_disabled+0x48/0x200
[  245.888386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.893924]  run_timer_softirq+0x52/0xb0
[  245.897979]  ? __this_cpu_preempt_check+0x1c/0x1f
[  245.902818]  __do_softirq+0x30b/0xad8
[  245.906620]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  245.911718]  ? trace_hardirqs_off+0x310/0x310
[  245.916211]  ? retint_kernel+0x1b/0x2d
[  245.920111]  ? schedule+0x108/0x460
[  245.923740]  ? trace_hardirqs_off+0xb8/0x310
[  245.928144]  ? smpboot_thread_fn+0x68b/0xa00
[  245.932549]  ? trace_hardirqs_on+0x310/0x310
[  245.936960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.942492]  ? check_preemption_disabled+0x48/0x200
[  245.947515]  ? takeover_tasklets+0xa90/0xa90
[  245.951921]  run_ksoftirqd+0x94/0x100
[  245.955723]  smpboot_thread_fn+0x68b/0xa00
[  245.959966]  ? sort_range+0x30/0x30
[  245.963602]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.968705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.974243]  ? __kthread_parkme+0xfb/0x1a0
[  245.978476]  kthread+0x35a/0x420
[  245.981840]  ? sort_range+0x30/0x30
[  245.985473]  ? kthread_bind+0x40/0x40
[  245.989283]  ret_from_fork+0x3a/0x50
[  245.993005] warn_alloc_show_mem: 1 callbacks suppressed
[  245.993017] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  245.993019] Mem-Info:
[  245.993050] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  245.993050]  active_file:17 inactive_file:15 isolated_file:0
[  245.993050]  unevictable:0 dirty:0 writeback:0 unstable:0
[  245.993050]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  245.993050]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  245.993050]  free:13630 free_pcp:175 free_cma:0
[  245.998384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.005656] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  246.008049] Call Trace:
[  246.041098] Node 0 
[  246.050438]  <IRQ>
[  246.078200] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  246.080754]  dump_stack+0x1c4/0x2b4
[  246.082962] lowmem_reserve[]:
[  246.085114]  ? dump_stack_print_info.cold.2+0x52/0x52
[  246.111112]  0 2819
[  246.114746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.117823]  6323
[  246.123010]  warn_alloc.cold.119+0xb7/0x1bd
[  246.125215]  6323
[  246.130741]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.137098]  ? lock_downgrade+0x900/0x900
[  246.139149] Node 0 
[  246.143983]  ? trace_hardirqs_off+0xb8/0x310
[  246.148145] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  246.150352]  ? trace_hardirqs_off+0xb8/0x310
[  246.154739] lowmem_reserve[]:
[  246.181726]  __alloc_pages_slowpath+0x2667/0x2d80
[  246.186911]  0
[  246.190022]  ? warn_alloc+0x120/0x120
[  246.194826]  0
[  246.196624]  ? trace_hardirqs_on+0x310/0x310
[  246.200394]  3503
[  246.202187]  ? warn_alloc+0x120/0x120
[  246.206566]  3503
[  246.208622]  ? warn_alloc+0x120/0x120
[  246.214449]  ? ktime_get+0x2e1/0x440
[  246.218220] Node 0 
[  246.221923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.221954] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  246.221961] lowmem_reserve[]:
[  246.224193]  ? check_preemption_disabled+0x48/0x200
[  246.229698]  0
[  246.258653]  ? kasan_check_read+0x11/0x20
[  246.261732]  0
[  246.266742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.268519]  0
[  246.272657]  ? should_fail+0x22d/0xd01
[  246.274431]  0
[  246.279961]  ? rcu_bh_qs+0xc0/0xc0
[  246.285615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.287409] Node 0 
[  246.290940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.296021] DMA: 
[  246.298249]  ? should_fail+0x22d/0xd01
[  246.303757] 1*4kB 
[  246.305809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.309670] (U) 
[  246.311811]  ? should_fail+0x22d/0xd01
[  246.316889] 0*8kB 
[  246.318860]  ? rcu_idle_enter+0x4b0/0x4b0
[  246.322717] 0*16kB 
[  246.324871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.328992] 1*32kB 
[  246.331222]  ? mark_held_locks+0x130/0x130
[  246.336298] (U) 
[  246.338527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.342733] 2*64kB 
[  246.344702]  ? mark_held_locks+0x130/0x130
[  246.350213] (U) 
[  246.352440]  ? rcu_irq_exit+0xce/0x100
[  246.356650] 1*128kB 
[  246.358623]  ? irq_exit+0xbd/0x1c0
[  246.362486] (U) 
[  246.364797]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  246.368310] 1*256kB 
[  246.370289]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.375275] (U) 
[  246.377596]  ? smp_call_function_single_interrupt+0x650/0x650
[  246.381979] 0*512kB 
[  246.383944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.389802] 1*1024kB 
[  246.392120]  ? ret_from_intr+0xb/0x1e
[  246.397625] (U) 
[  246.400027]  ? retint_kernel+0x2d/0x2d
[  246.403802] 1*2048kB 
[  246.405779]  ? trace_hardirqs_on_caller+0xc0/0x310
[  246.409654] (M) 
[  246.412061]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  246.416959] 3*4096kB 
[  246.418928]  ? trace_hardirqs_off+0x310/0x310
[  246.423652] (M) 
[  246.426054]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.430518] = 15908kB
[  246.432488]  __alloc_pages_nodemask+0xa80/0xde0
[  246.437561] Node 0 
[  246.439959]  ? should_fail+0x22d/0xd01
[  246.444596] DMA32: 3*4kB 
[  246.446835]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  246.450692] (ME) 
[  246.453450]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.458426] 2*8kB 
[  246.460482]  ? lock_downgrade+0x900/0x900
[  246.465121] (ME) 
[  246.467265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.471382] 4*16kB 
[  246.473437]  cache_grow_begin+0x91/0x8c0
[  246.478942] (UME) 
[  246.481170]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.485205] 3*32kB 
[  246.487344]  fallback_alloc+0x203/0x2e0
[  246.491722] (ME) 
[  246.493954]  ____cache_alloc_node+0x1c7/0x1e0
[  246.497901] 5*64kB 
[  246.499955]  kmem_cache_alloc_node+0xe3/0x730
[  246.504418] (ME) 
[  246.506644]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.511118] 5*128kB 
[  246.513172]  __alloc_skb+0x119/0x770
[  246.517378] (UME) 
[  246.519693]  ? skb_scrub_packet+0x490/0x490
[  246.523380] 5*256kB 
[  246.525520]  ? lock_downgrade+0x900/0x900
[  246.529816] (UME) 
[  246.532131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.536248] 4*512kB 
[  246.538398]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.543919] (ME) 
[  246.546238]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.551662] 4*1024kB 
[  246.553718]  ? addrconf_rs_timer+0x690/0x690
[  246.559145] (UME) 
[  246.561548]  ndisc_alloc_skb+0x144/0x340
[  246.565924] 2*2048kB 
[  246.568060]  ndisc_send_rs+0x331/0x6e0
[  246.572108] (ME) 
[  246.574508]  addrconf_rs_timer+0x314/0x690
[  246.578369] 3*4096kB 
[  246.580425]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  246.584630] (M) 
[  246.587035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.592556] = 24956kB
[  246.594530]  call_timer_fn+0x272/0x920
[  246.598730] Node 0 
[  246.601132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.604993] Normal: 
[  246.607222]  ? process_timeout+0x40/0x40
[  246.611427] 1016*4kB 
[  246.613744]  ? trace_hardirqs_off+0xb8/0x310
[  246.617777] (UME) 
[  246.620180]  ? kasan_check_read+0x11/0x20
[  246.624561] 447*8kB 
[  246.626703]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.630817] (ME) 
[  246.633136]  ? trace_hardirqs_on+0x310/0x310
[  246.637519] 188*16kB 
[  246.639577]  ? __run_timers+0x7da/0xc70
[  246.643954] (UME) 
[  246.646356]  ? lock_downgrade+0x900/0x900
[  246.650301] 54*32kB 
[  246.652447]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.656568] (UME) 
[  246.658882]  ? trace_hardirqs_on+0xbd/0x310
[  246.663957] 20*64kB 
[  246.666118]  ? kasan_check_read+0x11/0x20
[  246.670417] (UM) 
[  246.672737]  ? __run_timers+0x7da/0xc70
[  246.676867] 0*128kB 
[  246.678924]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.682868] 0*256kB 
[  246.685185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.690609] 0*512kB 
[  246.692923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.698431] 0*1024kB 
[  246.700744]  __run_timers+0x7e5/0xc70
[  246.704961] 0*2048kB 
[  246.707371]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  246.711139] 0*4096kB 
[  246.713541]  ? lock_acquire+0x1ed/0x520
[  246.718890] = 13656kB
[  246.721291]  ? __hrtimer_run_queues+0x488/0x10d0
[  246.725258] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  246.727652]  ? lock_release+0x970/0x970
[  246.732385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  246.741248]  ? trace_hardirqs_off+0xb8/0x310
[  246.745213] 4246 total pagecache pages
[  246.753780]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.758162] 0 pages in swap cache
[  246.762044]  ? kasan_check_write+0x14/0x20
[  246.766430] Swap cache stats: add 0, delete 0, find 0/0
[  246.769872]  ? pvclock_read_flags+0x160/0x160
[  246.774088] Free swap  = 0kB
[  246.779461]  ? lock_downgrade+0x900/0x900
[  246.783928] Total swap = 0kB
[  246.786940]  ? trace_hardirqs_on+0xbd/0x310
[  246.791057] 1965979 pages RAM
[  246.794070]  ? kvm_sched_clock_read+0x9/0x20
[  246.798369] 0 pages HighMem/MovableOnly
[  246.801464]  ? irq_exit+0x17f/0x1c0
[  246.805844] 342307 pages reserved
[  246.809810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.813407] 0 pages cma reserved
[  246.816857]  ? check_preemption_disabled+0x48/0x200
[  246.822436] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.825718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.825737]  run_timer_softirq+0x52/0xb0
[  246.825752]  ? __this_cpu_preempt_check+0x1c/0x1f
[  246.830789] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.837229]  __do_softirq+0x30b/0xad8
[  246.842742] ksoftirqd/0 cpuset=
[  246.846795]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  246.851610] /
[  246.861912]  ? pvclock_read_flags+0x160/0x160
[  246.865686]  mems_allowed=0
[  246.868953]  ? lapic_next_event+0x5a/0x90
[  246.887243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.892781]  ? clockevents_program_event+0x140/0x370
[  246.897885]  ? kvm_clock_read+0x18/0x30
[  246.901855]  ? kvm_sched_clock_read+0x9/0x20
[  246.906260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.911793]  ? check_preemption_disabled+0x48/0x200
[  246.916815]  irq_exit+0x17f/0x1c0
[  246.920263]  smp_apic_timer_interrupt+0x1cb/0x760
[  246.925110]  ? smp_reschedule_interrupt+0x109/0x650
[  246.930130]  ? smp_call_function_single_interrupt+0x650/0x650
[  246.936011]  ? interrupt_entry+0xb5/0xf0
[  246.940072]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.945097]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.950122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.954964]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.959976]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.964991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.970524]  ? check_preemption_disabled+0x48/0x200
[  246.975544]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.980393]  apic_timer_interrupt+0xf/0x20
[  246.984615]  </IRQ>
[  246.986863] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  246.991791] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  247.010688] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  247.018397] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  247.025661] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  247.032925] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  247.040192] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  247.047457] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  247.054740]  ? trace_hardirqs_on+0xb4/0x310
[  247.059072]  skb_clone+0x1bb/0x500
[  247.062625]  ? skb_split+0x11e0/0x11e0
[  247.066510]  ? preempt_notifier_register+0x200/0x200
[  247.071617]  ? __switch_to_asm+0x34/0x70
[  247.075672]  ? __switch_to_asm+0x34/0x70
[  247.079729]  ? __switch_to_asm+0x40/0x70
[  247.083783]  ? __switch_to_asm+0x34/0x70
[  247.087842]  ? __switch_to_asm+0x40/0x70
[  247.092162]  ? __switch_to_asm+0x40/0x70
[  247.096217]  ? __switch_to_asm+0x34/0x70
[  247.100274]  ? __switch_to_asm+0x34/0x70
[  247.104329]  ? __switch_to_asm+0x40/0x70
[  247.108385]  ? __switch_to_asm+0x34/0x70
[  247.112445]  bpf_clone_redirect+0xb9/0x490
[  247.116681]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  247.121692]  ? __sched_text_start+0x8/0x8
[  247.125842]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.130602]  ? retint_kernel+0x2d/0x2d
[  247.134492]  ? trace_hardirqs_on_caller+0xc0/0x310
[  247.139427]  ? rcu_gp_kthread+0x2310/0x2310
[  247.143744]  ? trace_hardirqs_off+0x310/0x310
[  247.148244]  ? lock_acquire+0x1ed/0x520
[  247.152217]  ? bpf_test_run+0x3cb/0x780
[  247.156191]  ? lock_downgrade+0x900/0x900
[  247.160338]  ? lock_release+0x970/0x970
[  247.164309]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  247.170112]  ? preempt_schedule_common+0x1f/0xd0
[  247.174868]  ? preempt_schedule+0x4d/0x60
[  247.179016]  ? ___preempt_schedule+0x16/0x18
[  247.183425]  ? bpf_test_run+0x25d/0x780
[  247.187401]  ? netlink_diag_dump+0x2a0/0x2a0
[  247.191811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.197344]  ? bpf_test_init.isra.9+0x70/0x100
[  247.201928]  ? bpf_prog_test_run_skb+0x634/0xb40
[  247.206685]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  247.211521]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.217058]  ? fput+0x130/0x1a0
[  247.220350]  ? __bpf_prog_get+0x9b/0x290
[  247.224411]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  247.229255]  ? bpf_prog_test_run+0x130/0x1a0
[  247.233663]  ? __x64_sys_bpf+0x3d8/0x510
[  247.237779]  ? bpf_prog_get+0x20/0x20
[  247.241590]  ? do_syscall_64+0x1b9/0x820
[  247.245669]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.251028]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.255953]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.260795]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.265809]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  247.270824]  ? prepare_exit_to_usermode+0x291/0x3b0
[  247.275841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.280687]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  247.286059] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  247.286122] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.292914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.299453] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.308728] Call Trace:
[  247.319194] syz-executor4 cpuset=syz4
[  247.321775]  dump_stack+0x1c4/0x2b4
[  247.321791]  ? dump_stack_print_info.cold.2+0x52/0x52
[  247.325570]  mems_allowed=0
[  247.329187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.342796]  warn_alloc.cold.119+0xb7/0x1bd
[  247.347125]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.351970]  ? lock_downgrade+0x900/0x900
[  247.356136]  ? trace_hardirqs_off+0xb8/0x310
[  247.360546]  ? trace_hardirqs_off+0xb8/0x310
[  247.364960]  __alloc_pages_slowpath+0x2667/0x2d80
[  247.369810]  ? mark_held_locks+0x130/0x130
[  247.374054]  ? warn_alloc+0x120/0x120
[  247.377890]  ? warn_alloc+0x120/0x120
[  247.381694]  ? warn_alloc+0x120/0x120
[  247.385494]  ? mark_held_locks+0x130/0x130
[  247.389728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.395263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.400801]  ? should_fail+0x22d/0xd01
[  247.404687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.409786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.415318]  ? should_fail+0x22d/0xd01
[  247.419208]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.424304]  ? should_fail+0x22d/0xd01
[  247.428204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.433309]  ? mark_held_locks+0x130/0x130
[  247.437548]  ? mark_held_locks+0x130/0x130
[  247.441799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.447342]  ? trace_hardirqs_off+0xb8/0x310
[  247.451743]  ? kasan_check_read+0x11/0x20
[  247.455887]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.460292]  ? trace_hardirqs_on+0x310/0x310
[  247.464699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.470274]  ? wq_watchdog_touch+0x9c/0xfe
[  247.474505]  ? io_serial_in+0x11/0x90
[  247.478302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.483839]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.488945]  __alloc_pages_nodemask+0xa80/0xde0
[  247.493612]  ? should_fail+0x22d/0xd01
[  247.497502]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  247.502530]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.507195]  ? lock_downgrade+0x900/0x900
[  247.511344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.516892]  cache_grow_begin+0x91/0x8c0
[  247.520967]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.525376]  fallback_alloc+0x203/0x2e0
[  247.529351]  ____cache_alloc_node+0x1c7/0x1e0
[  247.533846]  kmem_cache_alloc_node+0xe3/0x730
[  247.538336]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.542571]  __alloc_skb+0x119/0x770
[  247.546283]  ? skb_scrub_packet+0x490/0x490
[  247.550609]  ? lock_downgrade+0x900/0x900
[  247.554780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.560338]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.565790]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.571251]  ? addrconf_rs_timer+0x690/0x690
[  247.575669]  ndisc_alloc_skb+0x144/0x340
[  247.579731]  ndisc_send_rs+0x331/0x6e0
[  247.583617]  addrconf_rs_timer+0x314/0x690
[  247.587848]  ? lock_release+0x970/0x970
[  247.591820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.596060]  call_timer_fn+0x272/0x920
[  247.599954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.604189]  ? process_timeout+0x40/0x40
[  247.608247]  ? kasan_check_read+0x11/0x20
[  247.612391]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.616800]  ? trace_hardirqs_on+0x310/0x310
[  247.621206]  ? __run_timers+0x7da/0xc70
[  247.625194]  ? lock_downgrade+0x900/0x900
[  247.629342]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.634462]  ? trace_hardirqs_on+0xbd/0x310
[  247.638786]  ? kasan_check_read+0x11/0x20
[  247.642936]  ? __run_timers+0x7da/0xc70
[  247.646915]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  247.652364]  ? kasan_check_write+0x14/0x20
[  247.656596]  ? do_raw_spin_lock+0xc1/0x200
[  247.660833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.665063]  __run_timers+0x7e5/0xc70
[  247.668879]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  247.674238]  ? lock_downgrade+0x900/0x900
[  247.678384]  ? finish_task_switch+0x1b5/0x900
[  247.682877]  ? trace_hardirqs_on+0xbd/0x310
[  247.687193]  ? kasan_check_read+0x11/0x20
[  247.691340]  ? finish_task_switch+0x1f5/0x900
[  247.695858]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  247.701314]  ? compat_start_thread+0x80/0x80
[  247.705733]  ? pvclock_read_flags+0x160/0x160
[  247.710227]  ? __switch_to_asm+0x34/0x70
[  247.714287]  ? __switch_to_asm+0x34/0x70
[  247.718345]  ? __switch_to_asm+0x40/0x70
[  247.722405]  ? __switch_to_asm+0x40/0x70
[  247.726460]  ? __switch_to_asm+0x34/0x70
[  247.730517]  ? __switch_to_asm+0x40/0x70
[  247.734581]  ? trace_hardirqs_on+0xbd/0x310
[  247.738901]  ? kvm_sched_clock_read+0x9/0x20
[  247.743310]  ? run_ksoftirqd+0x94/0x100
[  247.747281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.752817]  ? check_preemption_disabled+0x48/0x200
[  247.757829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.763369]  run_timer_softirq+0x52/0xb0
[  247.767425]  ? __this_cpu_preempt_check+0x1c/0x1f
[  247.772261]  __do_softirq+0x30b/0xad8
[  247.776066]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  247.781178]  ? trace_hardirqs_off+0x310/0x310
[  247.785667]  ? retint_kernel+0x1b/0x2d
[  247.789558]  ? schedule+0x108/0x460
[  247.793189]  ? trace_hardirqs_off+0xb8/0x310
[  247.797603]  ? smpboot_thread_fn+0x68b/0xa00
[  247.802012]  ? trace_hardirqs_on+0x310/0x310
[  247.806418]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.811952]  ? check_preemption_disabled+0x48/0x200
[  247.816981]  ? takeover_tasklets+0xa90/0xa90
[  247.821389]  run_ksoftirqd+0x94/0x100
[  247.825189]  smpboot_thread_fn+0x68b/0xa00
[  247.829423]  ? sort_range+0x30/0x30
[  247.833050]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.838156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.843692]  ? __kthread_parkme+0xfb/0x1a0
[  247.847928]  kthread+0x35a/0x420
[  247.851290]  ? sort_range+0x30/0x30
[  247.854911]  ? kthread_bind+0x40/0x40
[  247.858709]  ret_from_fork+0x3a/0x50
[  247.862427] warn_alloc_show_mem: 1 callbacks suppressed
[  247.862438] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  247.862449] Mem-Info:
[  247.867806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.875078] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  247.875078]  active_file:17 inactive_file:15 isolated_file:0
[  247.875078]  unevictable:0 dirty:0 writeback:0 unstable:0
[  247.875078]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  247.875078]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  247.875078]  free:13630 free_pcp:175 free_cma:0
[  247.877450] Call Trace:
[  247.886835] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  247.919851]  <IRQ>
[  247.922417] Node 0 
[  247.950165]  dump_stack+0x1c4/0x2b4
[  247.952311] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  247.954516]  ? dump_stack_print_info.cold.2+0x52/0x52
[  247.958121] lowmem_reserve[]:
[  247.983613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.988774]  0
[  247.991871]  warn_alloc.cold.119+0xb7/0x1bd
[  247.997374]  2819
[  247.999174]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.003466]  6323
[  248.005523]  ? lock_downgrade+0x900/0x900
[  248.010334]  6323
[  248.012395]  ? trace_hardirqs_off+0xb8/0x310
[  248.018582]  ? trace_hardirqs_off+0xb8/0x310
[  248.022963] Node 0 DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  248.027389]  __alloc_pages_slowpath+0x2667/0x2d80
[  248.027418]  ? warn_alloc+0x120/0x120
[  248.054964] lowmem_reserve[]:
[  248.059799]  ? trace_hardirqs_on+0x310/0x310
[  248.063572]  0
[  248.066672]  ? warn_alloc+0x120/0x120
[  248.071054]  0
[  248.072846]  ? warn_alloc+0x120/0x120
[  248.076616]  3503
[  248.078411]  ? ktime_get+0x2e1/0x440
[  248.082181]  3503
[  248.084239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.089989]  ? check_preemption_disabled+0x48/0x200
[  248.095495] Node 0 Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  248.100536]  ? kasan_check_read+0x11/0x20
[  248.100553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.129890] lowmem_reserve[]: 0
[  248.134040]  ? should_fail+0x22d/0xd01
[  248.139548]  0
[  248.142821]  ? rcu_bh_qs+0xc0/0xc0
[  248.146692]  0
[  248.148489]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.152003]  0
[  248.153801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.160679]  ? should_fail+0x22d/0xd01
[  248.166215] Node 0 DMA: 
[  248.170106]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.170122]  ? should_fail+0x22d/0xd01
[  248.172777] 1*4kB 
[  248.177871]  ? rcu_idle_enter+0x4b0/0x4b0
[  248.181729] (U) 
[  248.183876]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.187995] 0*8kB 
[  248.189967]  ? mark_held_locks+0x130/0x130
[  248.195042] 0*16kB 
[  248.197186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.201399] 1*32kB 
[  248.203629]  ? mark_held_locks+0x130/0x130
[  248.209138] (U) 
[  248.211368]  ? rcu_irq_exit+0xce/0x100
[  248.215571] 2*64kB 
[  248.217541]  ? irq_exit+0xbd/0x1c0
[  248.221395] (U) 
[  248.223628]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  248.227140] 1*128kB 
[  248.229117]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.234255] (U) 
[  248.236579]  ? smp_call_function_single_interrupt+0x650/0x650
[  248.240966] 1*256kB 
[  248.242931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.248785] (U) 
[  248.251113]  ? ret_from_intr+0xb/0x1e
[  248.256620] 0*512kB 
[  248.258586]  ? retint_kernel+0x2d/0x2d
[  248.262358] 1*1024kB 
[  248.264685]  ? trace_hardirqs_on_caller+0xc0/0x310
[  248.268543] (U) 
[  248.270944]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  248.276550] 1*2048kB 
[  248.278518]  ? trace_hardirqs_off+0x310/0x310
[  248.283249] (M) 
[  248.285655]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.290119] 3*4096kB 
[  248.292097]  __alloc_pages_nodemask+0xa80/0xde0
[  248.297169] (M) 
[  248.299572]  ? should_fail+0x22d/0xd01
[  248.304214] = 15908kB
[  248.306181]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  248.310039] Node 0 
[  248.312449]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.317419] DMA32: 3*4kB 
[  248.319662]  ? lock_downgrade+0x900/0x900
[  248.324304] (ME) 
[  248.327053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.331172] 2*8kB 
[  248.333225]  cache_grow_begin+0x91/0x8c0
[  248.338730] (ME) 
[  248.340872]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.344905] 4*16kB 
[  248.346965]  fallback_alloc+0x203/0x2e0
[  248.351346] (UME) 
[  248.353574]  ____cache_alloc_node+0x1c7/0x1e0
[  248.357518] 3*32kB 
[  248.359658]  kmem_cache_alloc_node+0xe3/0x730
[  248.364121] (ME) 
[  248.366349]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.370813] 5*64kB 
[  248.372867]  __alloc_skb+0x119/0x770
[  248.377072] (ME) 
[  248.379309]  ? skb_scrub_packet+0x490/0x490
[  248.383000] 5*128kB 
[  248.385054]  ? lock_downgrade+0x900/0x900
[  248.389350] (UME) 
[  248.391669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.395786] 5*256kB 
[  248.397927]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.403435] (UME) 
[  248.405752]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.411178] 4*512kB 
[  248.413319]  ? addrconf_rs_timer+0x690/0x690
[  248.418744] (ME) 
[  248.421058]  ndisc_alloc_skb+0x144/0x340
[  248.425437] 4*1024kB 
[  248.427488]  ndisc_send_rs+0x331/0x6e0
[  248.431524] (UME) 
[  248.433928]  addrconf_rs_timer+0x314/0x690
[  248.437790] 2*2048kB 
[  248.439929]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  248.444139] (ME) 
[  248.446551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.452066] 3*4096kB 
[  248.454128]  call_timer_fn+0x272/0x920
[  248.458328] (M) 
[  248.460728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.464588] = 24956kB
[  248.466561]  ? process_timeout+0x40/0x40
[  248.470797] Node 0 
[  248.473203]  ? trace_hardirqs_off+0xb8/0x310
[  248.477232] Normal: 
[  248.479458]  ? kasan_check_read+0x11/0x20
[  248.483851] 1016*4kB 
[  248.486169]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.490292] (UME) 
[  248.492694]  ? trace_hardirqs_on+0x310/0x310
[  248.497076] 447*8kB 
[  248.499223]  ? __run_timers+0x7da/0xc70
[  248.503596] (ME) 188*16kB (UME) 
[  248.505924]  ? lock_downgrade+0x900/0x900
[  248.509871] 54*32kB 
[  248.513231]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.517353] (UME) 
[  248.519668]  ? trace_hardirqs_on+0xbd/0x310
[  248.524747] 20*64kB 
[  248.526884]  ? kasan_check_read+0x11/0x20
[  248.531176] (UM) 
[  248.533491]  ? __run_timers+0x7da/0xc70
[  248.537612] 0*128kB 
[  248.539665]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.543613] 0*256kB 
[  248.545927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.551351] 0*512kB 
[  248.553666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.559185] 0*1024kB 
[  248.561503]  __run_timers+0x7e5/0xc70
[  248.565710] 0*2048kB 
[  248.568127]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  248.571900] 0*4096kB 
[  248.574301]  ? lock_acquire+0x1ed/0x520
[  248.579656] = 13656kB
[  248.582057]  ? __hrtimer_run_queues+0x488/0x10d0
[  248.586025] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  248.588419]  ? lock_release+0x970/0x970
[  248.593152] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  248.601970]  ? trace_hardirqs_off+0xb8/0x310
[  248.605917] 4246 total pagecache pages
[  248.614483]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.618865] 0 pages in swap cache
[  248.622744]  ? kasan_check_write+0x14/0x20
[  248.627131] Swap cache stats: add 0, delete 0, find 0/0
[  248.630579]  ? pvclock_read_flags+0x160/0x160
[  248.634789] Free swap  = 0kB
[  248.640143]  ? lock_downgrade+0x900/0x900
[  248.644614] Total swap = 0kB
[  248.647633]  ? trace_hardirqs_on+0xbd/0x310
[  248.651760] 1965979 pages RAM
[  248.654772]  ? kvm_sched_clock_read+0x9/0x20
[  248.659067] 0 pages HighMem/MovableOnly
[  248.662170]  ? irq_exit+0x17f/0x1c0
[  248.666549] 342307 pages reserved
[  248.670515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.674120] 0 pages cma reserved
[  248.677565]  ? check_preemption_disabled+0x48/0x200
[  248.683166] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.686450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.686469]  run_timer_softirq+0x52/0xb0
[  248.686484]  ? __this_cpu_preempt_check+0x1c/0x1f
[  248.691524] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.697961]  __do_softirq+0x30b/0xad8
[  248.703522] ksoftirqd/0 cpuset=
[  248.707572]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  248.712389] /
[  248.722691]  ? pvclock_read_flags+0x160/0x160
[  248.726469]  mems_allowed=0
[  248.729735]  ? lapic_next_event+0x5a/0x90
[  248.748036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.753569]  ? clockevents_program_event+0x140/0x370
[  248.758678]  ? kvm_clock_read+0x18/0x30
[  248.762654]  ? kvm_sched_clock_read+0x9/0x20
[  248.767064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.772605]  ? check_preemption_disabled+0x48/0x200
[  248.777629]  irq_exit+0x17f/0x1c0
[  248.781080]  smp_apic_timer_interrupt+0x1cb/0x760
[  248.785926]  ? smp_reschedule_interrupt+0x109/0x650
[  248.790940]  ? smp_call_function_single_interrupt+0x650/0x650
[  248.796824]  ? interrupt_entry+0xb5/0xf0
[  248.800891]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.805904]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.810922]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.815761]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.820771]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.825783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.831316]  ? check_preemption_disabled+0x48/0x200
[  248.836337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.841183]  apic_timer_interrupt+0xf/0x20
[  248.845410]  </IRQ>
[  248.847651] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  248.852577] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  248.871477] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  248.879179] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  248.886460] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  248.893728] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  248.900992] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  248.908254] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  248.915531]  ? trace_hardirqs_on+0xb4/0x310
[  248.919865]  skb_clone+0x1bb/0x500
[  248.923404]  ? skb_split+0x11e0/0x11e0
[  248.927295]  ? preempt_notifier_register+0x200/0x200
[  248.932394]  ? __switch_to_asm+0x34/0x70
[  248.936452]  ? __switch_to_asm+0x34/0x70
[  248.940508]  ? __switch_to_asm+0x40/0x70
[  248.944576]  ? __switch_to_asm+0x34/0x70
[  248.948632]  ? __switch_to_asm+0x40/0x70
[  248.952690]  ? __switch_to_asm+0x40/0x70
[  248.956749]  ? __switch_to_asm+0x34/0x70
[  248.960810]  ? __switch_to_asm+0x34/0x70
[  248.964866]  ? __switch_to_asm+0x40/0x70
[  248.968925]  ? __switch_to_asm+0x34/0x70
[  248.972987]  bpf_clone_redirect+0xb9/0x490
[  248.977221]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  248.982234]  ? __sched_text_start+0x8/0x8
[  248.986381]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  248.991134]  ? retint_kernel+0x2d/0x2d
[  248.995017]  ? trace_hardirqs_on_caller+0xc0/0x310
[  248.999950]  ? rcu_gp_kthread+0x2310/0x2310
[  249.004273]  ? trace_hardirqs_off+0x310/0x310
[  249.008769]  ? lock_acquire+0x1ed/0x520
[  249.012740]  ? bpf_test_run+0x3cb/0x780
[  249.016712]  ? lock_downgrade+0x900/0x900
[  249.020860]  ? lock_release+0x970/0x970
[  249.024830]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  249.030630]  ? preempt_schedule_common+0x1f/0xd0
[  249.035383]  ? preempt_schedule+0x4d/0x60
[  249.039530]  ? ___preempt_schedule+0x16/0x18
[  249.043941]  ? bpf_test_run+0x25d/0x780
[  249.047918]  ? netlink_diag_dump+0x2a0/0x2a0
[  249.052324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.057855]  ? bpf_test_init.isra.9+0x70/0x100
[  249.062437]  ? bpf_prog_test_run_skb+0x634/0xb40
[  249.067192]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  249.072032]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  249.077565]  ? fput+0x130/0x1a0
[  249.080851]  ? __bpf_prog_get+0x9b/0x290
[  249.084915]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  249.089752]  ? bpf_prog_test_run+0x130/0x1a0
[  249.094159]  ? __x64_sys_bpf+0x3d8/0x510
[  249.098218]  ? bpf_prog_get+0x20/0x20
[  249.102033]  ? do_syscall_64+0x1b9/0x820
[  249.106097]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  249.111466]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.116390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.121232]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.126249]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  249.131264]  ? prepare_exit_to_usermode+0x291/0x3b0
[  249.136289]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.141134]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  249.146510] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  249.146563] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.153347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.159927] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.169165] Call Trace:
[  249.179658] syz-executor4 cpuset=syz4
[  249.182234]  dump_stack+0x1c4/0x2b4
[  249.182250]  ? dump_stack_print_info.cold.2+0x52/0x52
[  249.186027]  mems_allowed=0
[  249.189646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.203243]  warn_alloc.cold.119+0xb7/0x1bd
[  249.207562]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.212403]  ? lock_downgrade+0x900/0x900
[  249.216551]  ? trace_hardirqs_off+0xb8/0x310
[  249.220962]  ? trace_hardirqs_off+0xb8/0x310
[  249.225371]  __alloc_pages_slowpath+0x2667/0x2d80
[  249.230265]  ? mark_held_locks+0x130/0x130
[  249.234505]  ? warn_alloc+0x120/0x120
[  249.238303]  ? warn_alloc+0x120/0x120
[  249.242112]  ? warn_alloc+0x120/0x120
[  249.245916]  ? mark_held_locks+0x130/0x130
[  249.250154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.255686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.261221]  ? should_fail+0x22d/0xd01
[  249.265122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.270225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.275763]  ? should_fail+0x22d/0xd01
[  249.279653]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.284751]  ? should_fail+0x22d/0xd01
[  249.288640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.293745]  ? mark_held_locks+0x130/0x130
[  249.297978]  ? mark_held_locks+0x130/0x130
[  249.302209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.307746]  ? trace_hardirqs_off+0xb8/0x310
[  249.312147]  ? kasan_check_read+0x11/0x20
[  249.316291]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.320710]  ? trace_hardirqs_on+0x310/0x310
[  249.325126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.330657]  ? wq_watchdog_touch+0x9c/0xfe
[  249.334889]  ? io_serial_in+0x11/0x90
[  249.338685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.344228]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  249.349336]  __alloc_pages_nodemask+0xa80/0xde0
[  249.354000]  ? should_fail+0x22d/0xd01
[  249.357887]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  249.362916]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.367583]  ? lock_downgrade+0x900/0x900
[  249.371732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.377296]  cache_grow_begin+0x91/0x8c0
[  249.381361]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.385775]  fallback_alloc+0x203/0x2e0
[  249.389749]  ____cache_alloc_node+0x1c7/0x1e0
[  249.394244]  kmem_cache_alloc_node+0xe3/0x730
[  249.398739]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.402977]  __alloc_skb+0x119/0x770
[  249.406688]  ? skb_scrub_packet+0x490/0x490
[  249.411003]  ? lock_downgrade+0x900/0x900
[  249.415165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.420701]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.426148]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.431596]  ? addrconf_rs_timer+0x690/0x690
[  249.436005]  ndisc_alloc_skb+0x144/0x340
[  249.440062]  ndisc_send_rs+0x331/0x6e0
[  249.443978]  addrconf_rs_timer+0x314/0x690
[  249.448306]  ? lock_release+0x970/0x970
[  249.452278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.456518]  call_timer_fn+0x272/0x920
[  249.460401]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.464632]  ? process_timeout+0x40/0x40
[  249.468684]  ? kasan_check_read+0x11/0x20
[  249.472876]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.477284]  ? trace_hardirqs_on+0x310/0x310
[  249.481691]  ? __run_timers+0x7da/0xc70
[  249.485665]  ? lock_downgrade+0x900/0x900
[  249.489838]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  249.494940]  ? trace_hardirqs_on+0xbd/0x310
[  249.499258]  ? kasan_check_read+0x11/0x20
[  249.503401]  ? __run_timers+0x7da/0xc70
[  249.507374]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.512821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.518355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.522586]  __run_timers+0x7e5/0xc70
[  249.526391]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  249.531748]  ? lock_downgrade+0x900/0x900
[  249.535899]  ? finish_task_switch+0x1b5/0x900
[  249.540393]  ? trace_hardirqs_on+0xbd/0x310
[  249.544714]  ? kasan_check_read+0x11/0x20
[  249.548857]  ? finish_task_switch+0x1f5/0x900
[  249.553355]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.558803]  ? compat_start_thread+0x80/0x80
[  249.563223]  ? pvclock_read_flags+0x160/0x160
[  249.567712]  ? __switch_to_asm+0x34/0x70
[  249.571772]  ? __switch_to_asm+0x34/0x70
[  249.575826]  ? __switch_to_asm+0x40/0x70
[  249.579883]  ? __switch_to_asm+0x40/0x70
[  249.583938]  ? __switch_to_asm+0x34/0x70
[  249.587995]  ? __switch_to_asm+0x40/0x70
[  249.592057]  ? trace_hardirqs_on+0xbd/0x310
[  249.596389]  ? kvm_sched_clock_read+0x9/0x20
[  249.600796]  ? run_ksoftirqd+0x94/0x100
[  249.604780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.610312]  ? check_preemption_disabled+0x48/0x200
[  249.615325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.620875]  run_timer_softirq+0x52/0xb0
[  249.624960]  ? __this_cpu_preempt_check+0x1c/0x1f
[  249.629802]  __do_softirq+0x30b/0xad8
[  249.633604]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  249.638702]  ? trace_hardirqs_off+0x310/0x310
[  249.643194]  ? retint_kernel+0x1b/0x2d
[  249.647081]  ? schedule+0x108/0x460
[  249.650724]  ? trace_hardirqs_off+0xb8/0x310
[  249.655132]  ? smpboot_thread_fn+0x68b/0xa00
[  249.659544]  ? trace_hardirqs_on+0x310/0x310
[  249.663957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.669492]  ? check_preemption_disabled+0x48/0x200
[  249.674504]  ? takeover_tasklets+0xa90/0xa90
[  249.678911]  run_ksoftirqd+0x94/0x100
[  249.682707]  smpboot_thread_fn+0x68b/0xa00
[  249.686939]  ? sort_range+0x30/0x30
[  249.690566]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  249.695666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.701201]  ? __kthread_parkme+0xfb/0x1a0
[  249.705443]  kthread+0x35a/0x420
[  249.708805]  ? sort_range+0x30/0x30
[  249.712430]  ? kthread_bind+0x40/0x40
[  249.716233]  ret_from_fork+0x3a/0x50
[  249.719948] warn_alloc_show_mem: 1 callbacks suppressed
[  249.719960] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  249.719962] Mem-Info:
[  249.719993] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  249.719993]  active_file:17 inactive_file:15 isolated_file:0
[  249.719993]  unevictable:0 dirty:0 writeback:0 unstable:0
[  249.719993]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  249.719993]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  249.719993]  free:13630 free_pcp:175 free_cma:0
[  249.725326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.732616] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  249.735012] Call Trace:
[  249.768062] Node 0 
[  249.777408]  <IRQ>
[  249.805262] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  249.807814]  dump_stack+0x1c4/0x2b4
[  249.810023] lowmem_reserve[]:
[  249.812167]  ? dump_stack_print_info.cold.2+0x52/0x52
[  249.837637]  0 2819
[  249.841266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.844342]  6323
[  249.849539]  warn_alloc.cold.119+0xb7/0x1bd
[  249.851752]  6323
[  249.857283]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.863631]  ? lock_downgrade+0x900/0x900
[  249.865665] Node 0 
[  249.870498]  ? trace_hardirqs_off+0xb8/0x310
[  249.874640] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  249.876846]  ? trace_hardirqs_off+0xb8/0x310
[  249.881224] lowmem_reserve[]:
[  249.908196]  __alloc_pages_slowpath+0x2667/0x2d80
[  249.912571]  0
[  249.915679]  ? warn_alloc+0x120/0x120
[  249.920479]  0
[  249.922277]  ? trace_hardirqs_on+0x310/0x310
[  249.926047]  3503
[  249.927845]  ? warn_alloc+0x120/0x120
[  249.932224]  3503
[  249.934277]  ? warn_alloc+0x120/0x120
[  249.940111]  ? ktime_get+0x2e1/0x440
[  249.943884] Node 0 
[  249.947585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.947616] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  249.947623] lowmem_reserve[]:
[  249.949883]  ? check_preemption_disabled+0x48/0x200
[  249.955405]  0
[  249.983849]  ? kasan_check_read+0x11/0x20
[  249.986943]  0
[  249.991951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.993723]  0
[  249.997862]  ? should_fail+0x22d/0xd01
[  249.999647]  0
[  250.005571]  ? rcu_bh_qs+0xc0/0xc0
[  250.011232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.013005] Node 0 
[  250.016553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.021629] DMA: 
[  250.023855]  ? should_fail+0x22d/0xd01
[  250.029364] 1*4kB 
[  250.031420]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.035290] (U) 
[  250.037434]  ? should_fail+0x22d/0xd01
[  250.042509] 0*8kB 
[  250.044479]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.048336] 0*16kB 
[  250.050478]  ? mark_held_locks+0x130/0x130
[  250.055550] 1*32kB 
[  250.057778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.061982] (U) 
[  250.064212]  ? mark_held_locks+0x130/0x130
[  250.069720] 2*64kB 
[  250.071688]  ? rcu_irq_exit+0xce/0x100
[  250.075894] (U) 
[  250.078121]  ? irq_exit+0xbd/0x1c0
[  250.078137]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  250.081999] 1*128kB 
[  250.083967]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.087474] (U) 
[  250.092481]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.094776] 1*256kB 
[  250.099178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.101127] (U) 
[  250.107250]  ? ret_from_intr+0xb/0x1e
[  250.109552] 0*512kB 
[  250.115077]  ? retint_kernel+0x2d/0x2d
[  250.117038] 1*1024kB 
[  250.120827]  ? trace_hardirqs_on_caller+0xc0/0x310
[  250.123126] (U) 
[  250.127011]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.129391] 1*2048kB 
[  250.134308]  ? trace_hardirqs_off+0x310/0x310
[  250.136254] (M) 
[  250.140998]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.143378] 3*4096kB 
[  250.147866]  __alloc_pages_nodemask+0xa80/0xde0
[  250.149813] (M) 
[  250.154905]  ? should_fail+0x22d/0xd01
[  250.157286] = 15908kB
[  250.161945]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  250.163897] Node 0 
[  250.167783]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.170163] DMA32: 
[  250.175167]  ? lock_downgrade+0x900/0x900
[  250.177376] 3*4kB 
[  250.182036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.184241] (ME) 
[  250.188380]  cache_grow_begin+0x91/0x8c0
[  250.190504] 2*8kB 
[  250.196033]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.198065] (ME) 
[  250.202125]  fallback_alloc+0x203/0x2e0
[  250.204250] 4*16kB 
[  250.208649]  ____cache_alloc_node+0x1c7/0x1e0
[  250.210684] (UME) 
[  250.214668]  kmem_cache_alloc_node+0xe3/0x730
[  250.216877] 3*32kB 
[  250.221362]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.223483] (ME) 
[  250.227985]  __alloc_skb+0x119/0x770
[  250.230193] 5*64kB 
[  250.234879]  ? skb_scrub_packet+0x490/0x490
[  250.236921] (ME) 
[  250.240628]  ? lock_downgrade+0x900/0x900
[  250.242834] 5*128kB (UME) 
[  250.247158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.249203] 5*256kB 
[  250.253341]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.256155] (UME) 
[  250.261710]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.264010] 4*512kB 
[  250.269452]  ? addrconf_rs_timer+0x690/0x690
[  250.271574] (ME) 
[  250.277017]  ndisc_alloc_skb+0x144/0x340
[  250.279312] 4*1024kB 
[  250.283709]  ndisc_send_rs+0x331/0x6e0
[  250.285749] (UME) 
[  250.289801]  addrconf_rs_timer+0x314/0x690
[  250.292187] 2*2048kB 
[  250.296063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.298187] (ME) 
[  250.302413]  call_timer_fn+0x272/0x920
[  250.304792] 3*4096kB 
[  250.309013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.311049] (M) 
[  250.314925]  ? process_timeout+0x40/0x40
[  250.317305] = 24956kB
[  250.321536]  ? trace_hardirqs_off+0xb8/0x310
[  250.323495] Node 0 
[  250.327547]  ? kasan_check_read+0x11/0x20
[  250.329933] Normal: 
[  250.334336]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.336544] 1016*4kB 
[  250.340684]  ? trace_hardirqs_on+0x310/0x310
[  250.342981] (UME) 
[  250.347380]  ? __run_timers+0x7da/0xc70
[  250.349765] 447*8kB 
[  250.354159]  ? lock_downgrade+0x900/0x900
[  250.356284] (ME) 
[  250.360248]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.362542] 188*16kB 
[  250.366677]  ? trace_hardirqs_on+0xbd/0x310
[  250.368714] (UME) 
[  250.373804]  ? kasan_check_read+0x11/0x20
[  250.376189] 54*32kB 
[  250.380500]  ? __run_timers+0x7da/0xc70
[  250.382625] (UME) 
[  250.386763]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.389057] 20*64kB 
[  250.393019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.395139] (UM) 
[  250.400579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.402875] 0*128kB 
[  250.408400]  __run_timers+0x7e5/0xc70
[  250.410439] 0*256kB 
[  250.414665]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  250.416959] 0*512kB 
[  250.420803]  ? lock_acquire+0x1ed/0x520
[  250.423111] 0*1024kB 
[  250.428466]  ? __hrtimer_run_queues+0x488/0x10d0
[  250.430780] 0*2048kB 
[  250.434742]  ? lock_release+0x970/0x970
[  250.437140] 0*4096kB 
[  250.441886]  ? trace_hardirqs_off+0xb8/0x310
[  250.444270] = 13656kB
[  250.448233]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.450622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  250.455028]  ? kasan_check_write+0x14/0x20
[  250.457423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  250.461820]  ? pvclock_read_flags+0x160/0x160
[  250.470628] 4246 total pagecache pages
[  250.474853]  ? lock_downgrade+0x900/0x900
[  250.483405] 0 pages in swap cache
[  250.487892]  ? trace_hardirqs_on+0xbd/0x310
[  250.491752] Swap cache stats: add 0, delete 0, find 0/0
[  250.495887]  ? kvm_sched_clock_read+0x9/0x20
[  250.499310] Free swap  = 0kB
[  250.503624]  ? irq_exit+0x17f/0x1c0
[  250.508962] Total swap = 0kB
[  250.513360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.516349] 1965979 pages RAM
[  250.519966]  ? check_preemption_disabled+0x48/0x200
[  250.522960] 0 pages HighMem/MovableOnly
[  250.528486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.531565] 342307 pages reserved
[  250.536571]  run_timer_softirq+0x52/0xb0
[  250.540513] 0 pages cma reserved
[  250.546042]  ? __this_cpu_preempt_check+0x1c/0x1f
[  250.549523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.553514]  __do_softirq+0x30b/0xad8
[  250.553535]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  250.556929] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.561715]  ? pvclock_read_flags+0x160/0x160
[  250.568178] ksoftirqd/0 cpuset=
[  250.571969]  ? lapic_next_event+0x5a/0x90
[  250.577043] /
[  250.587348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.591817]  mems_allowed=0
[  250.595093]  ? clockevents_program_event+0x140/0x370
[  250.614443]  ? kvm_clock_read+0x18/0x30
[  250.618413]  ? kvm_sched_clock_read+0x9/0x20
[  250.622824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.628357]  ? check_preemption_disabled+0x48/0x200
[  250.633382]  irq_exit+0x17f/0x1c0
[  250.636834]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.641669]  ? smp_reschedule_interrupt+0x109/0x650
[  250.646716]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.652601]  ? interrupt_entry+0xb5/0xf0
[  250.656665]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.661677]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.666690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.671528]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.676537]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.681551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.687105]  ? check_preemption_disabled+0x48/0x200
[  250.692130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.696974]  apic_timer_interrupt+0xf/0x20
[  250.701196]  </IRQ>
[  250.703433] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  250.708360] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  250.727288] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  250.734992] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  250.742253] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  250.749520] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  250.756786] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  250.764049] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  250.771323]  ? trace_hardirqs_on+0xb4/0x310
[  250.775652]  skb_clone+0x1bb/0x500
[  250.779195]  ? skb_split+0x11e0/0x11e0
[  250.783084]  ? preempt_notifier_register+0x200/0x200
[  250.788194]  ? __switch_to_asm+0x34/0x70
[  250.792253]  ? __switch_to_asm+0x34/0x70
[  250.796309]  ? __switch_to_asm+0x40/0x70
[  250.800367]  ? __switch_to_asm+0x34/0x70
[  250.804422]  ? __switch_to_asm+0x40/0x70
[  250.808477]  ? __switch_to_asm+0x40/0x70
[  250.812532]  ? __switch_to_asm+0x34/0x70
[  250.816588]  ? __switch_to_asm+0x34/0x70
[  250.820648]  ? __switch_to_asm+0x40/0x70
[  250.824703]  ? __switch_to_asm+0x34/0x70
[  250.828763]  bpf_clone_redirect+0xb9/0x490
[  250.832999]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  250.838013]  ? __sched_text_start+0x8/0x8
[  250.842161]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.846916]  ? retint_kernel+0x2d/0x2d
[  250.850803]  ? trace_hardirqs_on_caller+0xc0/0x310
[  250.855738]  ? rcu_gp_kthread+0x2310/0x2310
[  250.860055]  ? trace_hardirqs_off+0x310/0x310
[  250.864557]  ? lock_acquire+0x1ed/0x520
[  250.868528]  ? bpf_test_run+0x3cb/0x780
[  250.872497]  ? lock_downgrade+0x900/0x900
[  250.876645]  ? lock_release+0x970/0x970
[  250.880622]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  250.886417]  ? preempt_schedule_common+0x1f/0xd0
[  250.891171]  ? preempt_schedule+0x4d/0x60
[  250.895315]  ? ___preempt_schedule+0x16/0x18
[  250.899723]  ? bpf_test_run+0x25d/0x780
[  250.903699]  ? netlink_diag_dump+0x2a0/0x2a0
[  250.908112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.913646]  ? bpf_test_init.isra.9+0x70/0x100
[  250.918227]  ? bpf_prog_test_run_skb+0x634/0xb40
[  250.922987]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  250.927827]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  250.933361]  ? fput+0x130/0x1a0
[  250.936640]  ? __bpf_prog_get+0x9b/0x290
[  250.940699]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  250.945536]  ? bpf_prog_test_run+0x130/0x1a0
[  250.949967]  ? __x64_sys_bpf+0x3d8/0x510
[  250.954023]  ? bpf_prog_get+0x20/0x20
[  250.957835]  ? do_syscall_64+0x1b9/0x820
[  250.961897]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  250.967260]  ? syscall_return_slowpath+0x5e0/0x5e0
[  250.972189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.977029]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.982044]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  250.987056]  ? prepare_exit_to_usermode+0x291/0x3b0
[  250.992081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.996941]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  251.002317] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  251.002367] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.009161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.009165] Call Trace:
[  251.009183]  dump_stack+0x1c4/0x2b4
[  251.009200]  ? dump_stack_print_info.cold.2+0x52/0x52
[  251.015735] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.025024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.027579] syz-executor4 cpuset=
[  251.031214]  warn_alloc.cold.119+0xb7/0x1bd
[  251.036370] syz4
[  251.046846]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.052353]  mems_allowed=0
[  251.055793]  ? lock_downgrade+0x900/0x900
[  251.073940]  ? trace_hardirqs_off+0xb8/0x310
[  251.078360]  ? trace_hardirqs_off+0xb8/0x310
[  251.082777]  __alloc_pages_slowpath+0x2667/0x2d80
[  251.087633]  ? mark_held_locks+0x130/0x130
[  251.091871]  ? warn_alloc+0x120/0x120
[  251.095671]  ? warn_alloc+0x120/0x120
[  251.099470]  ? warn_alloc+0x120/0x120
[  251.103721]  ? mark_held_locks+0x130/0x130
[  251.107958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.113496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.119033]  ? should_fail+0x22d/0xd01
[  251.122951]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.128054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.133595]  ? should_fail+0x22d/0xd01
[  251.137483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.142583]  ? should_fail+0x22d/0xd01
[  251.146473]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.151598]  ? mark_held_locks+0x130/0x130
[  251.155851]  ? mark_held_locks+0x130/0x130
[  251.160096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.165637]  ? trace_hardirqs_off+0xb8/0x310
[  251.170042]  ? kasan_check_read+0x11/0x20
[  251.174188]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.178594]  ? trace_hardirqs_on+0x310/0x310
[  251.183001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.188539]  ? wq_watchdog_touch+0x9c/0xfe
[  251.192772]  ? io_serial_in+0x11/0x90
[  251.196569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.202120]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.207229]  __alloc_pages_nodemask+0xa80/0xde0
[  251.211895]  ? should_fail+0x22d/0xd01
[  251.215786]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  251.220818]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.225500]  ? lock_downgrade+0x900/0x900
[  251.229661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.235206]  cache_grow_begin+0x91/0x8c0
[  251.239265]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.243677]  fallback_alloc+0x203/0x2e0
[  251.247654]  ____cache_alloc_node+0x1c7/0x1e0
[  251.252158]  kmem_cache_alloc_node+0xe3/0x730
[  251.256665]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.260989]  __alloc_skb+0x119/0x770
[  251.264705]  ? skb_scrub_packet+0x490/0x490
[  251.269026]  ? lock_downgrade+0x900/0x900
[  251.273180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.278715]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.284170]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.289633]  ? addrconf_rs_timer+0x690/0x690
[  251.294049]  ndisc_alloc_skb+0x144/0x340
[  251.298128]  ndisc_send_rs+0x331/0x6e0
[  251.302021]  addrconf_rs_timer+0x314/0x690
[  251.306253]  ? lock_release+0x970/0x970
[  251.310230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.314471]  call_timer_fn+0x272/0x920
[  251.318353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.322586]  ? process_timeout+0x40/0x40
[  251.326646]  ? kasan_check_read+0x11/0x20
[  251.330795]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.335203]  ? trace_hardirqs_on+0x310/0x310
[  251.339611]  ? __run_timers+0x7da/0xc70
[  251.343583]  ? lock_downgrade+0x900/0x900
[  251.347739]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.352839]  ? trace_hardirqs_on+0xbd/0x310
[  251.357156]  ? kasan_check_read+0x11/0x20
[  251.361304]  ? __run_timers+0x7da/0xc70
[  251.365280]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.370726]  ? kasan_check_write+0x14/0x20
[  251.374966]  ? do_raw_spin_lock+0xc1/0x200
[  251.379207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.383439]  __run_timers+0x7e5/0xc70
[  251.387246]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  251.392605]  ? lock_downgrade+0x900/0x900
[  251.396750]  ? finish_task_switch+0x1b5/0x900
[  251.401248]  ? trace_hardirqs_on+0xbd/0x310
[  251.405562]  ? kasan_check_read+0x11/0x20
[  251.409705]  ? finish_task_switch+0x1f5/0x900
[  251.414197]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.419643]  ? compat_start_thread+0x80/0x80
[  251.424059]  ? pvclock_read_flags+0x160/0x160
[  251.428555]  ? __switch_to_asm+0x34/0x70
[  251.432612]  ? __switch_to_asm+0x34/0x70
[  251.436671]  ? __switch_to_asm+0x40/0x70
[  251.440727]  ? __switch_to_asm+0x40/0x70
[  251.444783]  ? __switch_to_asm+0x34/0x70
[  251.448842]  ? __switch_to_asm+0x40/0x70
[  251.452901]  ? trace_hardirqs_on+0xbd/0x310
[  251.457223]  ? kvm_sched_clock_read+0x9/0x20
[  251.461644]  ? run_ksoftirqd+0x94/0x100
[  251.465615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.471148]  ? check_preemption_disabled+0x48/0x200
[  251.476159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.481697]  run_timer_softirq+0x52/0xb0
[  251.485755]  ? __this_cpu_preempt_check+0x1c/0x1f
[  251.490592]  __do_softirq+0x30b/0xad8
[  251.494397]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  251.499494]  ? trace_hardirqs_off+0x310/0x310
[  251.503983]  ? retint_kernel+0x1b/0x2d
[  251.507874]  ? schedule+0x108/0x460
[  251.511507]  ? trace_hardirqs_off+0xb8/0x310
[  251.515912]  ? smpboot_thread_fn+0x68b/0xa00
[  251.520318]  ? trace_hardirqs_on+0x310/0x310
[  251.524722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.530256]  ? check_preemption_disabled+0x48/0x200
[  251.535273]  ? takeover_tasklets+0xa90/0xa90
[  251.539682]  run_ksoftirqd+0x94/0x100
[  251.543476]  smpboot_thread_fn+0x68b/0xa00
[  251.547707]  ? sort_range+0x30/0x30
[  251.551336]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.556437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.561972]  ? __kthread_parkme+0xfb/0x1a0
[  251.566209]  kthread+0x35a/0x420
[  251.569574]  ? sort_range+0x30/0x30
[  251.573195]  ? kthread_bind+0x40/0x40
[  251.576999]  ret_from_fork+0x3a/0x50
[  251.580720] warn_alloc_show_mem: 1 callbacks suppressed
[  251.580732] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  251.580733] Mem-Info:
[  251.580766] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  251.580766]  active_file:17 inactive_file:15 isolated_file:0
[  251.580766]  unevictable:0 dirty:0 writeback:0 unstable:0
[  251.580766]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  251.580766]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  251.580766]  free:13630 free_pcp:175 free_cma:0
[  251.586109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.593388] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  251.595780] Call Trace:
[  251.628813] Node 0 
[  251.638150]  <IRQ>
[  251.665910] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  251.668464]  dump_stack+0x1c4/0x2b4
[  251.670669] lowmem_reserve[]:
[  251.672815]  ? dump_stack_print_info.cold.2+0x52/0x52
[  251.698315]  0
[  251.701936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.705012]  2819
[  251.710194]  warn_alloc.cold.119+0xb7/0x1bd
[  251.711963]  6323
[  251.717490]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.719527]  6323
[  251.723841]  ? lock_downgrade+0x900/0x900
[  251.730726]  ? trace_hardirqs_off+0xb8/0x310
[  251.732763] Node 0 
[  251.736916]  ? trace_hardirqs_off+0xb8/0x310
[  251.741324] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  251.743531]  __alloc_pages_slowpath+0x2667/0x2d80
[  251.747911] lowmem_reserve[]:
[  251.774889]  ? warn_alloc+0x120/0x120
[  251.779698]  0
[  251.782793]  ? trace_hardirqs_on+0x310/0x310
[  251.786564]  0
[  251.788357]  ? warn_alloc+0x120/0x120
[  251.792736]  3503
[  251.794530]  ? warn_alloc+0x120/0x120
[  251.798306]  3503
[  251.800358]  ? ktime_get+0x2e1/0x440
[  251.806189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.809877] Node 0 
[  251.815399]  ? check_preemption_disabled+0x48/0x200
[  251.815434] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  251.817634]  ? kasan_check_read+0x11/0x20
[  251.822620] lowmem_reserve[]:
[  251.851074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.855200]  0
[  251.858299]  ? should_fail+0x22d/0xd01
[  251.863802]  0
[  251.865604]  ? rcu_bh_qs+0xc0/0xc0
[  251.869459]  0
[  251.871257]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.874769]  0
[  251.876565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.883431]  ? should_fail+0x22d/0xd01
[  251.888940] Node 0 DMA: 
[  251.892832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.892848]  ? should_fail+0x22d/0xd01
[  251.895498] 1*4kB 
[  251.900591]  ? rcu_idle_enter+0x4b0/0x4b0
[  251.904447] (U) 
[  251.906587]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.910706] 0*8kB 
[  251.912672]  ? mark_held_locks+0x130/0x130
[  251.917752] 0*16kB 
[  251.919979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.924190] 1*32kB 
[  251.926415]  ? mark_held_locks+0x130/0x130
[  251.931921] (U) 
[  251.934153]  ? rcu_irq_exit+0xce/0x100
[  251.938357] 2*64kB 
[  251.940326]  ? irq_exit+0xbd/0x1c0
[  251.944181] (U) 
[  251.946413]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  251.949922] 1*128kB 
[  251.951890]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.956880] (U) 
[  251.959196]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.963581] 1*256kB 
[  251.965553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.971405] (U) 
[  251.973720]  ? ret_from_intr+0xb/0x1e
[  251.979230] 0*512kB 
[  251.981201]  ? retint_kernel+0x2d/0x2d
[  251.984977] 1*1024kB 
[  251.987292]  ? trace_hardirqs_on_caller+0xc0/0x310
[  251.991148] (U) 
[  251.993550]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.998449] 1*2048kB 
[  252.000417]  ? trace_hardirqs_off+0x310/0x310
[  252.005148] (M) 
[  252.007553]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.012016] 3*4096kB 
[  252.013985]  __alloc_pages_nodemask+0xa80/0xde0
[  252.019056] (M) 
[  252.021457]  ? should_fail+0x22d/0xd01
[  252.026105] = 15908kB
[  252.028071]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  252.031927] Node 0 
[  252.034342]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.039321] DMA32: 
[  252.041550]  ? lock_downgrade+0x900/0x900
[  252.046194] 3*4kB 
[  252.048423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.052543] (ME) 
[  252.054683]  cache_grow_begin+0x91/0x8c0
[  252.060190] 2*8kB 
[  252.062248]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.066282] (ME) 
[  252.068422]  fallback_alloc+0x203/0x2e0
[  252.072803] 4*16kB 
[  252.074859]  ____cache_alloc_node+0x1c7/0x1e0
[  252.078833] (UME) 
[  252.081067]  kmem_cache_alloc_node+0xe3/0x730
[  252.085543] 3*32kB 
[  252.087687]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.092154] (ME) 
[  252.094383]  __alloc_skb+0x119/0x770
[  252.098592] 5*64kB 
[  252.100647]  ? skb_scrub_packet+0x490/0x490
[  252.104846] (ME) 
[  252.107078]  ? lock_downgrade+0x900/0x900
[  252.111381] 5*128kB 
[  252.113434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.117552] (UME) 
[  252.119873]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.125378] 5*256kB 
[  252.127518]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.132937] (UME) 
[  252.135253]  ? addrconf_rs_timer+0x690/0x690
[  252.140690] 4*512kB 
[  252.142830]  ndisc_alloc_skb+0x144/0x340
[  252.147211] (ME) 
[  252.149526]  ndisc_send_rs+0x331/0x6e0
[  252.153562] 4*1024kB 
[  252.155618]  addrconf_rs_timer+0x314/0x690
[  252.159474] (UME) 
[  252.161873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.166080] 2*2048kB 
[  252.168236]  call_timer_fn+0x272/0x920
[  252.172436] (ME) 
[  252.174835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.178697] 3*4096kB 
[  252.180751]  ? process_timeout+0x40/0x40
[  252.184989] (M) 
[  252.187396]  ? trace_hardirqs_off+0xb8/0x310
[  252.191430] = 24956kB
[  252.193399]  ? kasan_check_read+0x11/0x20
[  252.197780] Node 0 
[  252.200182]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.204296] Normal: 
[  252.206524]  ? trace_hardirqs_on+0x310/0x310
[  252.210907] 1016*4kB 
[  252.213221]  ? __run_timers+0x7da/0xc70
[  252.217596] (UME) 
[  252.219999]  ? lock_downgrade+0x900/0x900
[  252.223948] 447*8kB 
[  252.226097]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.230214] (ME) 
[  252.232529]  ? trace_hardirqs_on+0xbd/0x310
[  252.237740] 188*16kB (UME) 
[  252.239805]  ? kasan_check_read+0x11/0x20
[  252.244107] 54*32kB 
[  252.247031]  ? __run_timers+0x7da/0xc70
[  252.251147] (UME) 
[  252.253473]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.257417] 20*64kB 
[  252.259558]  ? kasan_check_write+0x14/0x20
[  252.264978] (UM) 
[  252.267296]  ? do_raw_spin_lock+0xc1/0x200
[  252.271507] 0*128kB 
[  252.273558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.277783] 0*256kB 
[  252.280104]  __run_timers+0x7e5/0xc70
[  252.284316] 0*512kB 
[  252.286634]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  252.290406] 0*1024kB 
[  252.292719]  ? lock_acquire+0x1ed/0x520
[  252.298060] 0*2048kB 
[  252.300466]  ? __hrtimer_run_queues+0x488/0x10d0
[  252.304417] 0*4096kB 
[  252.306820]  ? lock_release+0x970/0x970
[  252.311547] = 13656kB
[  252.313947]  ? trace_hardirqs_off+0xb8/0x310
[  252.317902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  252.320302]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.324691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  252.333526]  ? kasan_check_write+0x14/0x20
[  252.337925] 4246 total pagecache pages
[  252.346491]  ? pvclock_read_flags+0x160/0x160
[  252.350694] 0 pages in swap cache
[  252.354573]  ? lock_downgrade+0x900/0x900
[  252.359045] Swap cache stats: add 0, delete 0, find 0/0
[  252.362484]  ? trace_hardirqs_on+0xbd/0x310
[  252.366610] Free swap  = 0kB
[  252.372152]  ? kvm_sched_clock_read+0x9/0x20
[  252.376445] Total swap = 0kB
[  252.379455]  ? irq_exit+0x17f/0x1c0
[  252.383831] 1965979 pages RAM
[  252.386840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.390441] 0 pages HighMem/MovableOnly
[  252.393537]  ? check_preemption_disabled+0x48/0x200
[  252.399045] 342307 pages reserved
[  252.403012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.408003] 0 pages cma reserved
[  252.411447]  run_timer_softirq+0x52/0xb0
[  252.417002] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.420309]  ? __this_cpu_preempt_check+0x1c/0x1f
[  252.424405] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.430826]  __do_softirq+0x30b/0xad8
[  252.435664] ksoftirqd/0 cpuset=
[  252.445968]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  252.449744] /
[  252.453018]  ? pvclock_read_flags+0x160/0x160
[  252.458108]  mems_allowed=0
[  252.459810]  ? lapic_next_event+0x5a/0x90
[  252.471325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.476864]  ? clockevents_program_event+0x140/0x370
[  252.481969]  ? kvm_clock_read+0x18/0x30
[  252.485938]  ? kvm_sched_clock_read+0x9/0x20
[  252.490343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.495881]  ? check_preemption_disabled+0x48/0x200
[  252.500905]  irq_exit+0x17f/0x1c0
[  252.504356]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.509194]  ? smp_reschedule_interrupt+0x109/0x650
[  252.514208]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.520097]  ? interrupt_entry+0xb5/0xf0
[  252.524157]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.529175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.534192]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.539032]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.544046]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.549058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.554595]  ? check_preemption_disabled+0x48/0x200
[  252.559625]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.564471]  apic_timer_interrupt+0xf/0x20
[  252.568697]  </IRQ>
[  252.570933] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  252.575862] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  252.594761] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  252.602466] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  252.609732] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  252.616998] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  252.624266] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  252.631528] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  252.638805]  ? trace_hardirqs_on+0xb4/0x310
[  252.643135]  skb_clone+0x1bb/0x500
[  252.646674]  ? skb_split+0x11e0/0x11e0
[  252.650563]  ? preempt_notifier_register+0x200/0x200
[  252.655664]  ? __switch_to_asm+0x34/0x70
[  252.659737]  ? __switch_to_asm+0x34/0x70
[  252.663792]  ? __switch_to_asm+0x40/0x70
[  252.667850]  ? __switch_to_asm+0x34/0x70
[  252.671905]  ? __switch_to_asm+0x40/0x70
[  252.675964]  ? __switch_to_asm+0x40/0x70
[  252.680020]  ? __switch_to_asm+0x34/0x70
[  252.684858]  ? __switch_to_asm+0x34/0x70
[  252.688915]  ? __switch_to_asm+0x40/0x70
[  252.692974]  ? __switch_to_asm+0x34/0x70
[  252.697032]  bpf_clone_redirect+0xb9/0x490
[  252.701271]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  252.706287]  ? __sched_text_start+0x8/0x8
[  252.710436]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.715187]  ? retint_kernel+0x2d/0x2d
[  252.719076]  ? trace_hardirqs_on_caller+0xc0/0x310
[  252.724017]  ? rcu_gp_kthread+0x2310/0x2310
[  252.728364]  ? trace_hardirqs_off+0x310/0x310
[  252.732859]  ? lock_acquire+0x1ed/0x520
[  252.736831]  ? bpf_test_run+0x3cb/0x780
[  252.740806]  ? lock_downgrade+0x900/0x900
[  252.744953]  ? lock_release+0x970/0x970
[  252.748929]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  252.754724]  ? preempt_schedule_common+0x1f/0xd0
[  252.759475]  ? preempt_schedule+0x4d/0x60
[  252.763622]  ? ___preempt_schedule+0x16/0x18
[  252.768029]  ? bpf_test_run+0x25d/0x780
[  252.772010]  ? netlink_diag_dump+0x2a0/0x2a0
[  252.776417]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.781947]  ? bpf_test_init.isra.9+0x70/0x100
[  252.786526]  ? bpf_prog_test_run_skb+0x634/0xb40
[  252.791289]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  252.796129]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.801664]  ? fput+0x130/0x1a0
[  252.804942]  ? __bpf_prog_get+0x9b/0x290
[  252.808997]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  252.813835]  ? bpf_prog_test_run+0x130/0x1a0
[  252.818242]  ? __x64_sys_bpf+0x3d8/0x510
[  252.822299]  ? bpf_prog_get+0x20/0x20
[  252.826117]  ? do_syscall_64+0x1b9/0x820
[  252.830177]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  252.835540]  ? syscall_return_slowpath+0x5e0/0x5e0
[  252.840467]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.845311]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.850327]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  252.855344]  ? prepare_exit_to_usermode+0x291/0x3b0
[  252.860362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.865209]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  252.870581] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  252.870643] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.877418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.877422] Call Trace:
[  252.877441]  dump_stack+0x1c4/0x2b4
[  252.877457]  ? dump_stack_print_info.cold.2+0x52/0x52
[  252.883996] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.893274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.895835] syz-executor4 cpuset=
[  252.899462]  warn_alloc.cold.119+0xb7/0x1bd
[  252.904623] syz4
[  252.915115]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.920622]  mems_allowed=0
[  252.924063]  ? lock_downgrade+0x900/0x900
[  252.942190]  ? trace_hardirqs_off+0xb8/0x310
[  252.946596]  ? trace_hardirqs_off+0xb8/0x310
[  252.951009]  __alloc_pages_slowpath+0x2667/0x2d80
[  252.955860]  ? mark_held_locks+0x130/0x130
[  252.960111]  ? warn_alloc+0x120/0x120
[  252.963911]  ? warn_alloc+0x120/0x120
[  252.967739]  ? warn_alloc+0x120/0x120
[  252.971542]  ? mark_held_locks+0x130/0x130
[  252.975781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.981320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.986855]  ? should_fail+0x22d/0xd01
[  252.990747]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.995845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.001377]  ? should_fail+0x22d/0xd01
[  253.005265]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.010364]  ? should_fail+0x22d/0xd01
[  253.014256]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.019374]  ? mark_held_locks+0x130/0x130
[  253.023614]  ? mark_held_locks+0x130/0x130
[  253.027848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.033388]  ? trace_hardirqs_off+0xb8/0x310
[  253.037790]  ? kasan_check_read+0x11/0x20
[  253.041944]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.046362]  ? trace_hardirqs_on+0x310/0x310
[  253.050765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.056301]  ? wq_watchdog_touch+0x9c/0xfe
[  253.060545]  ? io_serial_in+0x11/0x90
[  253.064348]  ? retint_kernel+0x2d/0x2d
[  253.068231]  ? trace_hardirqs_on_caller+0xc0/0x310
[  253.073182]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  253.077932]  ? trace_hardirqs_off+0x310/0x310
[  253.082422]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.087529]  __alloc_pages_nodemask+0xa80/0xde0
[  253.092195]  ? should_fail+0x22d/0xd01
[  253.096084]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  253.101137]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.106315]  ? lock_downgrade+0x900/0x900
[  253.110487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.116037]  cache_grow_begin+0x91/0x8c0
[  253.120119]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.124532]  fallback_alloc+0x203/0x2e0
[  253.128511]  ____cache_alloc_node+0x1c7/0x1e0
[  253.133005]  kmem_cache_alloc_node+0xe3/0x730
[  253.137495]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.141731]  __alloc_skb+0x119/0x770
[  253.145447]  ? skb_scrub_packet+0x490/0x490
[  253.149766]  ? lock_downgrade+0x900/0x900
[  253.153916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.159451]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.164903]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.170351]  ? addrconf_rs_timer+0x690/0x690
[  253.174765]  ndisc_alloc_skb+0x144/0x340
[  253.178829]  ndisc_send_rs+0x331/0x6e0
[  253.182718]  addrconf_rs_timer+0x314/0x690
[  253.186949]  ? lock_release+0x970/0x970
[  253.190924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.195165]  call_timer_fn+0x272/0x920
[  253.199051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.203283]  ? process_timeout+0x40/0x40
[  253.207339]  ? kasan_check_read+0x11/0x20
[  253.211486]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.215899]  ? trace_hardirqs_on+0x310/0x310
[  253.220306]  ? __run_timers+0x7da/0xc70
[  253.224279]  ? lock_downgrade+0x900/0x900
[  253.228427]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.233526]  ? trace_hardirqs_on+0xbd/0x310
[  253.237844]  ? kasan_check_read+0x11/0x20
[  253.241992]  ? __run_timers+0x7da/0xc70
[  253.245965]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.251414]  ? kasan_check_write+0x14/0x20
[  253.255646]  ? do_raw_spin_lock+0xc1/0x200
[  253.259878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.264130]  __run_timers+0x7e5/0xc70
[  253.267943]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  253.273310]  ? lock_downgrade+0x900/0x900
[  253.277455]  ? finish_task_switch+0x1b5/0x900
[  253.281948]  ? trace_hardirqs_on+0xbd/0x310
[  253.286270]  ? kasan_check_read+0x11/0x20
[  253.290414]  ? finish_task_switch+0x1f5/0x900
[  253.294905]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.300352]  ? compat_start_thread+0x80/0x80
[  253.304766]  ? pvclock_read_flags+0x160/0x160
[  253.309263]  ? __switch_to_asm+0x34/0x70
[  253.313321]  ? __switch_to_asm+0x34/0x70
[  253.317380]  ? __switch_to_asm+0x40/0x70
[  253.321436]  ? __switch_to_asm+0x40/0x70
[  253.325491]  ? __switch_to_asm+0x34/0x70
[  253.329549]  ? __switch_to_asm+0x40/0x70
[  253.333609]  ? trace_hardirqs_on+0xbd/0x310
[  253.337928]  ? kvm_sched_clock_read+0x9/0x20
[  253.342335]  ? run_ksoftirqd+0x94/0x100
[  253.346314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.351848]  ? check_preemption_disabled+0x48/0x200
[  253.356859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.362398]  run_timer_softirq+0x52/0xb0
[  253.366455]  ? __this_cpu_preempt_check+0x1c/0x1f
[  253.371296]  __do_softirq+0x30b/0xad8
[  253.375110]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  253.380214]  ? trace_hardirqs_off+0x310/0x310
[  253.384702]  ? retint_kernel+0x1b/0x2d
[  253.388591]  ? schedule+0x108/0x460
[  253.392221]  ? trace_hardirqs_off+0xb8/0x310
[  253.396625]  ? smpboot_thread_fn+0x68b/0xa00
[  253.401029]  ? trace_hardirqs_on+0x310/0x310
[  253.405433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.410965]  ? check_preemption_disabled+0x48/0x200
[  253.415984]  ? takeover_tasklets+0xa90/0xa90
[  253.420394]  run_ksoftirqd+0x94/0x100
[  253.424211]  smpboot_thread_fn+0x68b/0xa00
[  253.428443]  ? sort_range+0x30/0x30
[  253.432067]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.437186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.442724]  ? __kthread_parkme+0xfb/0x1a0
[  253.446963]  kthread+0x35a/0x420
[  253.450323]  ? sort_range+0x30/0x30
[  253.453950]  ? kthread_bind+0x40/0x40
[  253.457753]  ret_from_fork+0x3a/0x50
[  253.461473] warn_alloc_show_mem: 1 callbacks suppressed
[  253.461485] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  253.461486] Mem-Info:
[  253.461518] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  253.461518]  active_file:17 inactive_file:15 isolated_file:0
[  253.461518]  unevictable:0 dirty:0 writeback:0 unstable:0
[  253.461518]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  253.461518]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  253.461518]  free:13630 free_pcp:175 free_cma:0
[  253.466850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.474129] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  253.476527] Call Trace:
[  253.509567] Node 0 
[  253.518906]  <IRQ>
[  253.546670] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  253.549225]  dump_stack+0x1c4/0x2b4
[  253.551429] lowmem_reserve[]:
[  253.553575]  ? dump_stack_print_info.cold.2+0x52/0x52
[  253.579049]  0
[  253.582674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.585751]  2819
[  253.590932]  warn_alloc.cold.119+0xb7/0x1bd
[  253.592701]  6323
[  253.598230]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.600267]  6323
[  253.604581]  ? lock_downgrade+0x900/0x900
[  253.611452]  ? trace_hardirqs_off+0xb8/0x310
[  253.613491] Node 0 
[  253.617633]  ? trace_hardirqs_off+0xb8/0x310
[  253.622051] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  253.624286]  __alloc_pages_slowpath+0x2667/0x2d80
[  253.628665] lowmem_reserve[]:
[  253.655649]  ? warn_alloc+0x120/0x120
[  253.660450]  0
[  253.663547]  ? trace_hardirqs_on+0x310/0x310
[  253.667320]  0
[  253.669122]  ? warn_alloc+0x120/0x120
[  253.673501]  3503
[  253.675294]  ? warn_alloc+0x120/0x120
[  253.679069]  3503
[  253.681134]  ? ktime_get+0x2e1/0x440
[  253.686958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.690644] Node 0 
[  253.696167]  ? check_preemption_disabled+0x48/0x200
[  253.696198] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  253.696205] lowmem_reserve[]:
[  253.698444]  ? kasan_check_read+0x11/0x20
[  253.703433]  0
[  253.731881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.734955]  0
[  253.739104]  ? should_fail+0x22d/0xd01
[  253.740883]  0
[  253.746408]  ? rcu_bh_qs+0xc0/0xc0
[  253.748184]  0
[  253.752065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.757367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.759143] Node 0 
[  253.764236]  ? should_fail+0x22d/0xd01
[  253.769743] DMA: 
[  253.771980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.775836] 1*4kB 
[  253.777887]  ? should_fail+0x22d/0xd01
[  253.782963] (U) 
[  253.785122]  ? rcu_idle_enter+0x4b0/0x4b0
[  253.788987] 0*8kB 
[  253.790949]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.795066] 0*16kB 
[  253.797206]  ? mark_held_locks+0x130/0x130
[  253.802283] 1*32kB 
[  253.804514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.808719] (U) 
[  253.810947]  ? mark_held_locks+0x130/0x130
[  253.816459] 2*64kB 
[  253.818426]  ? rcu_irq_exit+0xce/0x100
[  253.822633] (U) 
[  253.824862]  ? irq_exit+0xbd/0x1c0
[  253.828719] 1*128kB 
[  253.830683]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  253.834193] (U) 
[  253.836514]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.841501] 1*256kB 
[  253.843471]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.847848] (U) 
[  253.850165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.856018] 0*512kB 
[  253.857987]  ? ret_from_intr+0xb/0x1e
[  253.863501] 1*1024kB 
[  253.865818]  ? retint_kernel+0x2d/0x2d
[  253.869593] (U) 
[  253.872000]  ? trace_hardirqs_on_caller+0xc0/0x310
[  253.875875] 1*2048kB 
[  253.877848]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  253.882745] (M) 
[  253.885151]  ? trace_hardirqs_off+0x310/0x310
[  253.889881] 3*4096kB 
[  253.891847]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.896311] (M) 
[  253.898718]  __alloc_pages_nodemask+0xa80/0xde0
[  253.903787] = 15908kB
[  253.905754]  ? should_fail+0x22d/0xd01
[  253.910392] Node 0 
[  253.912795]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  253.916655] DMA32: 
[  253.918892]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.923872] 3*4kB 
[  253.926108]  ? lock_downgrade+0x900/0x900
[  253.930755] (ME) 
[  253.932899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.937019] 2*8kB 
[  253.939077]  cache_grow_begin+0x91/0x8c0
[  253.944581] (ME) 
[  253.946730]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.950762] 4*16kB 
[  253.952816]  fallback_alloc+0x203/0x2e0
[  253.957205] (UME) 
[  253.959435]  ____cache_alloc_node+0x1c7/0x1e0
[  253.963381] 3*32kB 
[  253.965541]  kmem_cache_alloc_node+0xe3/0x730
[  253.970022] (ME) 
[  253.972251]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.976717] 5*64kB 
[  253.978774]  __alloc_skb+0x119/0x770
[  253.982981] (ME) 
[  253.985222]  ? skb_scrub_packet+0x490/0x490
[  253.988908] 5*128kB 
[  253.990964]  ? lock_downgrade+0x900/0x900
[  253.995260] (UME) 
[  253.997574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.001693] 5*256kB 
[  254.003833]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.009339] (UME) 
[  254.011653]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.017086] 4*512kB 
[  254.019239]  ? addrconf_rs_timer+0x690/0x690
[  254.024662] (ME) 
[  254.026978]  ndisc_alloc_skb+0x144/0x340
[  254.031363] 4*1024kB 
[  254.033415]  ndisc_send_rs+0x331/0x6e0
[  254.037446] (UME) 
[  254.039845]  addrconf_rs_timer+0x314/0x690
[  254.043707] 2*2048kB 
[  254.045843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.050057] (ME) 
[  254.052463]  call_timer_fn+0x272/0x920
[  254.056669] 3*4096kB 
[  254.058719]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.062580] (M) 
[  254.065000]  ? process_timeout+0x40/0x40
[  254.069224] = 24956kB
[  254.071191]  ? trace_hardirqs_off+0xb8/0x310
[  254.075223] Node 0 
[  254.077647]  ? kasan_check_read+0x11/0x20
[  254.082024] Normal: 
[  254.084257]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.088376] 1016*4kB 
[  254.090696]  ? trace_hardirqs_on+0x310/0x310
[  254.095076] (UME) 
[  254.097486]  ? __run_timers+0x7da/0xc70
[  254.102326] 447*8kB (ME) 
[  254.104480]  ? lock_downgrade+0x900/0x900
[  254.108429] 188*16kB 
[  254.111182]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.115298] (UME) 
[  254.117701]  ? trace_hardirqs_on+0xbd/0x310
[  254.122775] 54*32kB 
[  254.124913]  ? kasan_check_read+0x11/0x20
[  254.129206] (UME) 
[  254.131524]  ? __run_timers+0x7da/0xc70
[  254.135645] 20*64kB 
[  254.137785]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.141730] (UM) 
[  254.144045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.149464] 0*128kB 
[  254.151518]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.157029] 0*256kB 
[  254.159352]  __run_timers+0x7e5/0xc70
[  254.163564] 0*512kB 
[  254.165893]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  254.169667] 0*1024kB 
[  254.171980]  ? lock_acquire+0x1ed/0x520
[  254.177317] 0*2048kB 
[  254.179720]  ? __hrtimer_run_queues+0x488/0x10d0
[  254.183672] 0*4096kB 
[  254.186087]  ? lock_release+0x970/0x970
[  254.190826] = 13656kB
[  254.193229]  ? trace_hardirqs_off+0xb8/0x310
[  254.197184] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  254.199616]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.203995] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  254.212816]  ? kasan_check_write+0x14/0x20
[  254.217197] 4246 total pagecache pages
[  254.225761]  ? pvclock_read_flags+0x160/0x160
[  254.229969] 0 pages in swap cache
[  254.234369]  ? lock_downgrade+0x900/0x900
[  254.238843] Swap cache stats: add 0, delete 0, find 0/0
[  254.242290]  ? trace_hardirqs_on+0xbd/0x310
[  254.246414] Free swap  = 0kB
[  254.251772]  ? kvm_sched_clock_read+0x9/0x20
[  254.256064] Total swap = 0kB
[  254.259079]  ? irq_exit+0x17f/0x1c0
[  254.263465] 1965979 pages RAM
[  254.266475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.270074] 0 pages HighMem/MovableOnly
[  254.273177]  ? check_preemption_disabled+0x48/0x200
[  254.278684] 342307 pages reserved
[  254.282649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.287640] 0 pages cma reserved
[  254.291087]  run_timer_softirq+0x52/0xb0
[  254.296677] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.299975]  ? __this_cpu_preempt_check+0x1c/0x1f
[  254.304074] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.310493]  __do_softirq+0x30b/0xad8
[  254.315314] ksoftirqd/0 cpuset=
[  254.325622]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  254.329388] /
[  254.332660]  ? pvclock_read_flags+0x160/0x160
[  254.337737]  mems_allowed=0
[  254.339446]  ? lapic_next_event+0x5a/0x90
[  254.350969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.356503]  ? clockevents_program_event+0x140/0x370
[  254.361613]  ? kvm_clock_read+0x18/0x30
[  254.365584]  ? kvm_sched_clock_read+0x9/0x20
[  254.369998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.375532]  ? check_preemption_disabled+0x48/0x200
[  254.380552]  irq_exit+0x17f/0x1c0
[  254.384002]  smp_apic_timer_interrupt+0x1cb/0x760
[  254.388844]  ? smp_reschedule_interrupt+0x109/0x650
[  254.393856]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.399740]  ? interrupt_entry+0xb5/0xf0
[  254.403799]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.408810]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.413828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.418681]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.423695]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.428710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.434243]  ? check_preemption_disabled+0x48/0x200
[  254.439260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.444117]  apic_timer_interrupt+0xf/0x20
[  254.448344]  </IRQ>
[  254.450580] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  254.455574] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  254.474474] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  254.482181] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  254.489444] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  254.496708] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  254.503971] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  254.511233] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  254.518514]  ? trace_hardirqs_on+0xb4/0x310
[  254.522845]  skb_clone+0x1bb/0x500
[  254.526385]  ? skb_split+0x11e0/0x11e0
[  254.530272]  ? preempt_notifier_register+0x200/0x200
[  254.535376]  ? __switch_to_asm+0x34/0x70
[  254.539434]  ? __switch_to_asm+0x34/0x70
[  254.543490]  ? __switch_to_asm+0x40/0x70
[  254.547546]  ? __switch_to_asm+0x34/0x70
[  254.551608]  ? __switch_to_asm+0x40/0x70
[  254.555665]  ? __switch_to_asm+0x40/0x70
[  254.559726]  ? __switch_to_asm+0x34/0x70
[  254.563783]  ? __switch_to_asm+0x34/0x70
[  254.567845]  ? __switch_to_asm+0x40/0x70
[  254.571902]  ? __switch_to_asm+0x34/0x70
[  254.575968]  bpf_clone_redirect+0xb9/0x490
[  254.580209]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  254.585222]  ? __sched_text_start+0x8/0x8
[  254.589369]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.594126]  ? retint_kernel+0x2d/0x2d
[  254.598012]  ? trace_hardirqs_on_caller+0xc0/0x310
[  254.602947]  ? rcu_gp_kthread+0x2310/0x2310
[  254.607268]  ? trace_hardirqs_off+0x310/0x310
[  254.612178]  ? lock_acquire+0x1ed/0x520
[  254.616154]  ? bpf_test_run+0x3cb/0x780
[  254.620125]  ? lock_downgrade+0x900/0x900
[  254.624271]  ? lock_release+0x970/0x970
[  254.628243]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  254.634038]  ? preempt_schedule_common+0x1f/0xd0
[  254.638791]  ? preempt_schedule+0x4d/0x60
[  254.642935]  ? ___preempt_schedule+0x16/0x18
[  254.647344]  ? bpf_test_run+0x25d/0x780
[  254.651320]  ? netlink_diag_dump+0x2a0/0x2a0
[  254.655744]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.661277]  ? bpf_test_init.isra.9+0x70/0x100
[  254.665863]  ? bpf_prog_test_run_skb+0x634/0xb40
[  254.670623]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  254.675461]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  254.680992]  ? fput+0x130/0x1a0
[  254.684273]  ? __bpf_prog_get+0x9b/0x290
[  254.688333]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  254.693172]  ? bpf_prog_test_run+0x130/0x1a0
[  254.697579]  ? __x64_sys_bpf+0x3d8/0x510
[  254.701643]  ? bpf_prog_get+0x20/0x20
[  254.705451]  ? do_syscall_64+0x1b9/0x820
[  254.709510]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  254.714869]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.719797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.724638]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.729652]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  254.734665]  ? prepare_exit_to_usermode+0x291/0x3b0
[  254.739681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.744526]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  254.749898] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  254.749950] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.756735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.756739] Call Trace:
[  254.756757]  dump_stack+0x1c4/0x2b4
[  254.756774]  ? dump_stack_print_info.cold.2+0x52/0x52
[  254.763289] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.772597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.775166] syz-executor4 cpuset=
[  254.778782]  warn_alloc.cold.119+0xb7/0x1bd
[  254.783942] syz4
[  254.794421]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.799935]  mems_allowed=0
[  254.803378]  ? lock_downgrade+0x900/0x900
[  254.821510]  ? trace_hardirqs_off+0xb8/0x310
[  254.825921]  ? trace_hardirqs_off+0xb8/0x310
[  254.830337]  __alloc_pages_slowpath+0x2667/0x2d80
[  254.835192]  ? mark_held_locks+0x130/0x130
[  254.839430]  ? warn_alloc+0x120/0x120
[  254.843233]  ? warn_alloc+0x120/0x120
[  254.847036]  ? warn_alloc+0x120/0x120
[  254.850837]  ? mark_held_locks+0x130/0x130
[  254.855074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.860622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.866157]  ? should_fail+0x22d/0xd01
[  254.870043]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.875145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.880678]  ? should_fail+0x22d/0xd01
[  254.884570]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.889669]  ? should_fail+0x22d/0xd01
[  254.893559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.898667]  ? mark_held_locks+0x130/0x130
[  254.902900]  ? mark_held_locks+0x130/0x130
[  254.907138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.912673]  ? trace_hardirqs_off+0xb8/0x310
[  254.917075]  ? kasan_check_read+0x11/0x20
[  254.921230]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.925634]  ? trace_hardirqs_on+0x310/0x310
[  254.930041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.935576]  ? wq_watchdog_touch+0x9c/0xfe
[  254.939807]  ? io_serial_in+0x11/0x90
[  254.943603]  ? retint_kernel+0x2d/0x2d
[  254.947488]  ? trace_hardirqs_on_caller+0xc0/0x310
[  254.952416]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.957170]  ? trace_hardirqs_off+0x310/0x310
[  254.961664]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.966772]  __alloc_pages_nodemask+0xa80/0xde0
[  254.971438]  ? should_fail+0x22d/0xd01
[  254.975330]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  254.980358]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.985037]  ? lock_downgrade+0x900/0x900
[  254.989188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.994730]  cache_grow_begin+0x91/0x8c0
[  254.998793]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.003210]  fallback_alloc+0x203/0x2e0
[  255.007186]  ____cache_alloc_node+0x1c7/0x1e0
[  255.011686]  kmem_cache_alloc_node+0xe3/0x730
[  255.016180]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.020422]  __alloc_skb+0x119/0x770
[  255.024141]  ? skb_scrub_packet+0x490/0x490
[  255.028462]  ? lock_downgrade+0x900/0x900
[  255.032611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.038149]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.043598]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.049049]  ? addrconf_rs_timer+0x690/0x690
[  255.053462]  ndisc_alloc_skb+0x144/0x340
[  255.057526]  ndisc_send_rs+0x331/0x6e0
[  255.061417]  addrconf_rs_timer+0x314/0x690
[  255.065650]  ? lock_release+0x970/0x970
[  255.069626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.073867]  call_timer_fn+0x272/0x920
[  255.077754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.081991]  ? process_timeout+0x40/0x40
[  255.086045]  ? kasan_check_read+0x11/0x20
[  255.090194]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.094628]  ? trace_hardirqs_on+0x310/0x310
[  255.099042]  ? __run_timers+0x7da/0xc70
[  255.103015]  ? lock_downgrade+0x900/0x900
[  255.107166]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.112271]  ? trace_hardirqs_on+0xbd/0x310
[  255.116589]  ? kasan_check_read+0x11/0x20
[  255.120736]  ? __run_timers+0x7da/0xc70
[  255.124712]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.130158]  ? kasan_check_write+0x14/0x20
[  255.134417]  ? do_raw_spin_lock+0xc1/0x200
[  255.138661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.142903]  __run_timers+0x7e5/0xc70
[  255.146727]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  255.152088]  ? lock_downgrade+0x900/0x900
[  255.156246]  ? finish_task_switch+0x1b5/0x900
[  255.160753]  ? trace_hardirqs_on+0xbd/0x310
[  255.165069]  ? kasan_check_read+0x11/0x20
[  255.169228]  ? finish_task_switch+0x1f5/0x900
[  255.173724]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.179179]  ? compat_start_thread+0x80/0x80
[  255.183599]  ? pvclock_read_flags+0x160/0x160
[  255.188098]  ? __switch_to_asm+0x34/0x70
[  255.192167]  ? __switch_to_asm+0x34/0x70
[  255.196225]  ? __switch_to_asm+0x40/0x70
[  255.200287]  ? __switch_to_asm+0x40/0x70
[  255.204346]  ? __switch_to_asm+0x34/0x70
[  255.208405]  ? __switch_to_asm+0x40/0x70
[  255.212475]  ? trace_hardirqs_on+0xbd/0x310
[  255.216798]  ? kvm_sched_clock_read+0x9/0x20
[  255.221209]  ? run_ksoftirqd+0x94/0x100
[  255.225183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.230713]  ? check_preemption_disabled+0x48/0x200
[  255.235736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.241281]  run_timer_softirq+0x52/0xb0
[  255.245339]  ? __this_cpu_preempt_check+0x1c/0x1f
[  255.250178]  __do_softirq+0x30b/0xad8
[  255.253984]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  255.259129]  ? trace_hardirqs_off+0x310/0x310
[  255.263620]  ? retint_kernel+0x1b/0x2d
[  255.267505]  ? schedule+0x108/0x460
[  255.271142]  ? trace_hardirqs_off+0xb8/0x310
[  255.275549]  ? smpboot_thread_fn+0x68b/0xa00
[  255.279952]  ? trace_hardirqs_on+0x310/0x310
[  255.284362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.289900]  ? check_preemption_disabled+0x48/0x200
[  255.294915]  ? takeover_tasklets+0xa90/0xa90
[  255.299326]  run_ksoftirqd+0x94/0x100
[  255.303128]  smpboot_thread_fn+0x68b/0xa00
[  255.307363]  ? sort_range+0x30/0x30
[  255.310989]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.316112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.321665]  ? __kthread_parkme+0xfb/0x1a0
[  255.325899]  kthread+0x35a/0x420
[  255.329606]  ? sort_range+0x30/0x30
[  255.333233]  ? kthread_bind+0x40/0x40
[  255.337030]  ret_from_fork+0x3a/0x50
[  255.340751] warn_alloc_show_mem: 1 callbacks suppressed
[  255.340764] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  255.340765] Mem-Info:
[  255.340796] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  255.340796]  active_file:17 inactive_file:15 isolated_file:0
[  255.340796]  unevictable:0 dirty:0 writeback:0 unstable:0
[  255.340796]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  255.340796]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  255.340796]  free:13630 free_pcp:175 free_cma:0
[  255.346127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.353403] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  255.355797] Call Trace:
[  255.388836] Node 0 
[  255.398182]  <IRQ>
[  255.425957] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  255.428516]  dump_stack+0x1c4/0x2b4
[  255.430718] lowmem_reserve[]:
[  255.432868]  ? dump_stack_print_info.cold.2+0x52/0x52
[  255.458344]  0
[  255.461964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.465041]  2819
[  255.470225]  warn_alloc.cold.119+0xb7/0x1bd
[  255.472000]  6323
[  255.477527]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.479559]  6323
[  255.483872]  ? lock_downgrade+0x900/0x900
[  255.490739]  ? trace_hardirqs_off+0xb8/0x310
[  255.492776] Node 0 
[  255.496915]  ? trace_hardirqs_off+0xb8/0x310
[  255.501317] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  255.503522]  __alloc_pages_slowpath+0x2667/0x2d80
[  255.507908] lowmem_reserve[]:
[  255.534889]  ? warn_alloc+0x120/0x120
[  255.539690]  0
[  255.542787]  ? warn_alloc+0x120/0x120
[  255.546562]  0
[  255.548355]  ? warn_alloc+0x120/0x120
[  255.552215]  3503
[  255.554009]  ? mark_held_locks+0x130/0x130
[  255.557783]  3503
[  255.559843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.566105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.571616] Node 0 
[  255.577142]  ? should_fail+0x22d/0xd01
[  255.577177] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  255.579378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.583239] lowmem_reserve[]:
[  255.611691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.616762]  0
[  255.619860]  ? should_fail+0x22d/0xd01
[  255.625365]  0
[  255.627160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.631019]  0
[  255.632811]  ? should_fail+0x22d/0xd01
[  255.637884]  0
[  255.639679]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.645337]  ? mark_held_locks+0x130/0x130
[  255.650444] Node 0 DMA: 
[  255.654669]  ? mark_held_locks+0x130/0x130
[  255.654686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.657336] 1*4kB 
[  255.661574]  ? trace_hardirqs_off+0xb8/0x310
[  255.667087] (U) 
[  255.669238]  ? kasan_check_read+0x11/0x20
[  255.673621] 0*8kB 
[  255.675590]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.679707] 0*16kB 
[  255.681847]  ? trace_hardirqs_on+0x310/0x310
[  255.686229] 1*32kB 
[  255.688456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.692832] (U) 
[  255.695062]  ? wq_watchdog_touch+0x9c/0xfe
[  255.700572] 2*64kB 
[  255.702541]  ? io_serial_in+0x11/0x90
[  255.706744] (U) 
[  255.708971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.712748] 1*128kB 
[  255.714720]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.720225] (U) 
[  255.722545]  __alloc_pages_nodemask+0xa80/0xde0
[  255.727617] 1*256kB 
[  255.729585]  ? should_fail+0x22d/0xd01
[  255.734226] (U) 
[  255.736557]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  255.740415] 0*512kB 
[  255.742396]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.747372] 1*1024kB 
[  255.749701]  ? lock_downgrade+0x900/0x900
[  255.754338] (U) 
[  255.756741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.760860] 1*2048kB 
[  255.762825]  cache_grow_begin+0x91/0x8c0
[  255.768346] (M) 
[  255.770750]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.774783] 3*4096kB 
[  255.776749]  fallback_alloc+0x203/0x2e0
[  255.781131] (M) 
[  255.783531]  ____cache_alloc_node+0x1c7/0x1e0
[  255.787481] = 15908kB
[  255.789449]  kmem_cache_alloc_node+0xe3/0x730
[  255.793913] Node 0 
[  255.796314]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.800793] DMA32: 
[  255.803051]  __alloc_skb+0x119/0x770
[  255.807262] 3*4kB 
[  255.809489]  ? skb_scrub_packet+0x490/0x490
[  255.813176] (ME) 
[  255.815322]  ? lock_downgrade+0x900/0x900
[  255.819636] 2*8kB 
[  255.821805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.825921] (ME) 
[  255.828064]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.833570] 4*16kB 
[  255.835628]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.841048] (UME) 
[  255.843274]  ? addrconf_rs_timer+0x690/0x690
[  255.848765] 3*32kB 
[  255.850908]  ndisc_alloc_skb+0x144/0x340
[  255.855293] (ME) 
[  255.857524]  ndisc_send_rs+0x331/0x6e0
[  255.861556] 5*64kB 
[  255.863616]  addrconf_rs_timer+0x314/0x690
[  255.867484] (ME) 
[  255.869711]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.873921] 5*128kB 
[  255.875983]  call_timer_fn+0x272/0x920
[  255.880184] (UME) 
[  255.882500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.886369] 5*256kB 
[  255.888511]  ? process_timeout+0x40/0x40
[  255.892715] (UME) 
[  255.895030]  ? trace_hardirqs_off+0xb8/0x310
[  255.899063] 4*512kB 
[  255.901210]  ? kasan_check_read+0x11/0x20
[  255.905587] (ME) 
[  255.907910]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.912029] 4*1024kB 
[  255.914087]  ? trace_hardirqs_on+0x310/0x310
[  255.918477] (UME) 
[  255.920880]  ? __run_timers+0x7da/0xc70
[  255.925261] 2*2048kB 
[  255.927406]  ? lock_downgrade+0x900/0x900
[  255.931356] (ME) 
[  255.933758]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.937879] 3*4096kB 
[  255.939934]  ? trace_hardirqs_on+0xbd/0x310
[  255.945007] (M) 
[  255.947408]  ? kasan_check_read+0x11/0x20
[  255.951703] = 24956kB
[  255.953672]  ? __run_timers+0x7da/0xc70
[  255.957793] Node 0 
[  255.960198]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.960215]  ? kasan_check_write+0x14/0x20
[  255.964171] Normal: 
[  255.966399]  ? do_raw_spin_lock+0xc1/0x200
[  255.971841] 1016*4kB 
[  255.976062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.978359] (UME) 
[  255.982584]  __run_timers+0x7e5/0xc70
[  255.984966] 447*8kB 
[  255.989195]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  255.991313] (ME) 
[  255.995111]  ? lock_acquire+0x1ed/0x520
[  255.997416] 188*16kB 
[  256.002772]  ? __hrtimer_run_queues+0x488/0x10d0
[  256.004809] (UME) 
[  256.008776]  ? lock_release+0x970/0x970
[  256.011156] 54*32kB 
[  256.015905]  ? trace_hardirqs_off+0xb8/0x310
[  256.018025] (UME) 
[  256.021995]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.024289] 20*64kB 
[  256.028688]  ? kasan_check_write+0x14/0x20
[  256.030813] (UM) 
[  256.035217]  ? pvclock_read_flags+0x160/0x160
[  256.037519] 0*128kB 
[  256.041758]  ? lock_downgrade+0x900/0x900
[  256.043792] 0*256kB 
[  256.048280]  ? trace_hardirqs_on+0xbd/0x310
[  256.050574] 0*512kB 
[  256.054717]  ? kvm_sched_clock_read+0x9/0x20
[  256.057014] 0*1024kB 
[  256.061325]  ? irq_exit+0x17f/0x1c0
[  256.063621] 0*2048kB 
[  256.068023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.070401] 0*4096kB 
[  256.074021]  ? check_preemption_disabled+0x48/0x200
[  256.076406] = 13656kB
[  256.081935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.084326] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  256.089330]  run_timer_softirq+0x52/0xb0
[  256.091715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  256.097239]  ? __this_cpu_preempt_check+0x1c/0x1f
[  256.106507] 4246 total pagecache pages
[  256.110565]  __do_softirq+0x30b/0xad8
[  256.119133] 0 pages in swap cache
[  256.123974]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  256.127830] Swap cache stats: add 0, delete 0, find 0/0
[  256.131625]  ? pvclock_read_flags+0x160/0x160
[  256.135044] Free swap  = 0kB
[  256.140142]  ? lapic_next_event+0x5a/0x90
[  256.145475] Total swap = 0kB
[  256.149964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.152948] 1965979 pages RAM
[  256.157088]  ? clockevents_program_event+0x140/0x370
[  256.160107] 0 pages HighMem/MovableOnly
[  256.165633]  ? kvm_clock_read+0x18/0x30
[  256.168741] 342307 pages reserved
[  256.173839]  ? kvm_sched_clock_read+0x9/0x20
[  256.177784] 0 pages cma reserved
[  256.181750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.185226] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.189569]  ? check_preemption_disabled+0x48/0x200
[  256.192961] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.198435]  irq_exit+0x17f/0x1c0
[  256.204901] ksoftirqd/0 cpuset=
[  256.209911]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.220192] /
[  256.223638]  ? smp_reschedule_interrupt+0x109/0x650
[  256.226889]  mems_allowed=0
[  256.231719]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.247435]  ? interrupt_entry+0xb5/0xf0
[  256.251498]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.256510]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.261525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.266368]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.271385]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.276403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.281951]  ? check_preemption_disabled+0x48/0x200
[  256.286974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.291823]  apic_timer_interrupt+0xf/0x20
[  256.296046]  </IRQ>
[  256.298284] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  256.303214] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  256.322116] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  256.329831] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  256.337104] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  256.344368] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  256.351630] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  256.358898] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  256.366179]  ? trace_hardirqs_on+0xb4/0x310
[  256.370529]  skb_clone+0x1bb/0x500
[  256.374069]  ? skb_split+0x11e0/0x11e0
[  256.377980]  ? preempt_notifier_register+0x200/0x200
[  256.383081]  ? __switch_to_asm+0x34/0x70
[  256.387147]  ? __switch_to_asm+0x34/0x70
[  256.391208]  ? __switch_to_asm+0x40/0x70
[  256.395265]  ? __switch_to_asm+0x34/0x70
[  256.399322]  ? __switch_to_asm+0x40/0x70
[  256.403381]  ? __switch_to_asm+0x40/0x70
[  256.407436]  ? __switch_to_asm+0x34/0x70
[  256.411492]  ? __switch_to_asm+0x34/0x70
[  256.415554]  ? __switch_to_asm+0x40/0x70
[  256.419615]  ? __switch_to_asm+0x34/0x70
[  256.423681]  bpf_clone_redirect+0xb9/0x490
[  256.427921]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  256.432938]  ? __sched_text_start+0x8/0x8
[  256.437083]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  256.441850]  ? retint_kernel+0x2d/0x2d
[  256.445738]  ? trace_hardirqs_on_caller+0xc0/0x310
[  256.450673]  ? rcu_gp_kthread+0x2310/0x2310
[  256.454993]  ? trace_hardirqs_off+0x310/0x310
[  256.459487]  ? lock_acquire+0x1ed/0x520
[  256.463460]  ? bpf_test_run+0x3cb/0x780
[  256.467431]  ? lock_downgrade+0x900/0x900
[  256.471578]  ? lock_release+0x970/0x970
[  256.475561]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  256.481361]  ? preempt_schedule_common+0x1f/0xd0
[  256.486118]  ? preempt_schedule+0x4d/0x60
[  256.490268]  ? ___preempt_schedule+0x16/0x18
[  256.494677]  ? bpf_test_run+0x25d/0x780
[  256.498657]  ? netlink_diag_dump+0x2a0/0x2a0
[  256.503064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.508613]  ? bpf_test_init.isra.9+0x70/0x100
[  256.513197]  ? bpf_prog_test_run_skb+0x634/0xb40
[  256.517955]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  256.522793]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  256.528332]  ? fput+0x130/0x1a0
[  256.531613]  ? __bpf_prog_get+0x9b/0x290
[  256.535671]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  256.540509]  ? bpf_prog_test_run+0x130/0x1a0
[  256.544918]  ? __x64_sys_bpf+0x3d8/0x510
[  256.548975]  ? bpf_prog_get+0x20/0x20
[  256.552786]  ? do_syscall_64+0x1b9/0x820
[  256.556844]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  256.562207]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.567131]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.571973]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.576987]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  256.582006]  ? prepare_exit_to_usermode+0x291/0x3b0
[  256.587027]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.591874]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  256.597278] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  256.597332] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.604120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.604125] Call Trace:
[  256.604143]  dump_stack+0x1c4/0x2b4
[  256.604165]  ? dump_stack_print_info.cold.2+0x52/0x52
[  256.604183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.610693] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.620000]  warn_alloc.cold.119+0xb7/0x1bd
[  256.622553] syz-executor4 cpuset=
[  256.626173]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.631332] syz4
[  256.636879]  ? lock_downgrade+0x900/0x900
[  256.647343]  mems_allowed=0
[  256.651660]  ? trace_hardirqs_off+0xb8/0x310
[  256.673351]  ? trace_hardirqs_off+0xb8/0x310
[  256.677764]  __alloc_pages_slowpath+0x2667/0x2d80
[  256.682619]  ? mark_held_locks+0x130/0x130
[  256.686857]  ? warn_alloc+0x120/0x120
[  256.690662]  ? warn_alloc+0x120/0x120
[  256.694462]  ? warn_alloc+0x120/0x120
[  256.698261]  ? mark_held_locks+0x130/0x130
[  256.702498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.708037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.713570]  ? should_fail+0x22d/0xd01
[  256.717456]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.722559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.728121]  ? should_fail+0x22d/0xd01
[  256.732033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.737136]  ? should_fail+0x22d/0xd01
[  256.741023]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.746136]  ? mark_held_locks+0x130/0x130
[  256.750369]  ? mark_held_locks+0x130/0x130
[  256.754603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.760139]  ? mark_held_locks+0x130/0x130
[  256.764370]  ? trace_hardirqs_on+0x310/0x310
[  256.768772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.774308]  ? wq_watchdog_touch+0x9c/0xfe
[  256.778539]  ? io_serial_in+0x11/0x90
[  256.782335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.787877]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.792988]  __alloc_pages_nodemask+0xa80/0xde0
[  256.797655]  ? should_fail+0x22d/0xd01
[  256.801544]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  256.806585]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.811273]  ? lock_downgrade+0x900/0x900
[  256.815425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.820966]  cache_grow_begin+0x91/0x8c0
[  256.825028]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.829442]  fallback_alloc+0x203/0x2e0
[  256.833417]  ____cache_alloc_node+0x1c7/0x1e0
[  256.837919]  kmem_cache_alloc_node+0xe3/0x730
[  256.842411]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.846647]  __alloc_skb+0x119/0x770
[  256.850359]  ? skb_scrub_packet+0x490/0x490
[  256.854681]  ? lock_downgrade+0x900/0x900
[  256.858831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.864367]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.869817]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.875261]  ? addrconf_rs_timer+0x690/0x690
[  256.879678]  ndisc_alloc_skb+0x144/0x340
[  256.883748]  ndisc_send_rs+0x331/0x6e0
[  256.887643]  addrconf_rs_timer+0x314/0x690
[  256.891873]  ? lock_release+0x970/0x970
[  256.895848]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.900091]  call_timer_fn+0x272/0x920
[  256.903988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.908241]  ? process_timeout+0x40/0x40
[  256.912296]  ? kasan_check_read+0x11/0x20
[  256.916442]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.920852]  ? trace_hardirqs_on+0x310/0x310
[  256.925263]  ? __run_timers+0x7da/0xc70
[  256.929250]  ? lock_downgrade+0x900/0x900
[  256.933399]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.938501]  ? trace_hardirqs_on+0xbd/0x310
[  256.942818]  ? kasan_check_read+0x11/0x20
[  256.946961]  ? __run_timers+0x7da/0xc70
[  256.950943]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.956450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.961997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.966229]  __run_timers+0x7e5/0xc70
[  256.970036]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  256.975398]  ? lock_downgrade+0x900/0x900
[  256.979543]  ? finish_task_switch+0x1b5/0x900
[  256.984042]  ? trace_hardirqs_on+0xbd/0x310
[  256.988360]  ? kasan_check_read+0x11/0x20
[  256.992506]  ? finish_task_switch+0x1f5/0x900
[  256.997021]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.002472]  ? compat_start_thread+0x80/0x80
[  257.006892]  ? pvclock_read_flags+0x160/0x160
[  257.011384]  ? __switch_to_asm+0x34/0x70
[  257.015441]  ? __switch_to_asm+0x34/0x70
[  257.019503]  ? __switch_to_asm+0x40/0x70
[  257.023565]  ? __switch_to_asm+0x40/0x70
[  257.027630]  ? __switch_to_asm+0x34/0x70
[  257.031696]  ? __switch_to_asm+0x40/0x70
[  257.035761]  ? trace_hardirqs_on+0xbd/0x310
[  257.040080]  ? kvm_sched_clock_read+0x9/0x20
[  257.044496]  ? run_ksoftirqd+0x94/0x100
[  257.048470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.054003]  ? check_preemption_disabled+0x48/0x200
[  257.059016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.064563]  run_timer_softirq+0x52/0xb0
[  257.068621]  ? __this_cpu_preempt_check+0x1c/0x1f
[  257.073462]  __do_softirq+0x30b/0xad8
[  257.077268]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  257.082366]  ? trace_hardirqs_off+0x310/0x310
[  257.086856]  ? retint_kernel+0x1b/0x2d
[  257.090747]  ? schedule+0x108/0x460
[  257.094376]  ? trace_hardirqs_off+0xb8/0x310
[  257.098781]  ? smpboot_thread_fn+0x68b/0xa00
[  257.103643]  ? trace_hardirqs_on+0x310/0x310
[  257.108065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.113609]  ? check_preemption_disabled+0x48/0x200
[  257.118630]  ? takeover_tasklets+0xa90/0xa90
[  257.123036]  run_ksoftirqd+0x94/0x100
[  257.126838]  smpboot_thread_fn+0x68b/0xa00
[  257.131088]  ? sort_range+0x30/0x30
[  257.134727]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.139830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.145364]  ? __kthread_parkme+0xfb/0x1a0
[  257.149600]  kthread+0x35a/0x420
[  257.152965]  ? sort_range+0x30/0x30
[  257.156587]  ? kthread_bind+0x40/0x40
[  257.160385]  ret_from_fork+0x3a/0x50
[  257.164118] warn_alloc_show_mem: 1 callbacks suppressed
[  257.164130] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  257.164131] Mem-Info:
[  257.164163] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  257.164163]  active_file:17 inactive_file:15 isolated_file:0
[  257.164163]  unevictable:0 dirty:0 writeback:0 unstable:0
[  257.164163]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  257.164163]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  257.164163]  free:13630 free_pcp:175 free_cma:0
[  257.169502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.176777] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  257.179152] Call Trace:
[  257.179196]  <IRQ>
[  257.212239] Node 0 
[  257.221589]  dump_stack+0x1c4/0x2b4
[  257.249341] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  257.251898]  ? dump_stack_print_info.cold.2+0x52/0x52
[  257.254036] lowmem_reserve[]:
[  257.256270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.259869]  0
[  257.285370]  warn_alloc.cold.119+0xb7/0x1bd
[  257.290527]  2819
[  257.293629]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.299135]  6323
[  257.300931]  ? lock_downgrade+0x900/0x900
[  257.305223]  6323
[  257.307277]  ? trace_hardirqs_off+0xb8/0x310
[  257.314159]  ? trace_hardirqs_off+0xb8/0x310
[  257.318278] Node 0 
[  257.320334]  __alloc_pages_slowpath+0x2667/0x2d80
[  257.324739] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  257.329133]  ? warn_alloc+0x120/0x120
[  257.331341] lowmem_reserve[]:
[  257.336174]  ? warn_alloc+0x120/0x120
[  257.363128]  0
[  257.366920]  ? warn_alloc+0x120/0x120
[  257.369999]  0
[  257.373789]  ? mark_held_locks+0x130/0x130
[  257.375565]  3503
[  257.379355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.381135]  3503
[  257.385361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.392931]  ? should_fail+0x22d/0xd01
[  257.394968] Node 0 
[  257.400497]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.404380] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  257.406583]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.411658] lowmem_reserve[]:
[  257.440132]  ? should_fail+0x22d/0xd01
[  257.445641]  0
[  257.448738]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.452599]  0
[  257.454397]  ? should_fail+0x22d/0xd01
[  257.459469]  0
[  257.461263]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.465128]  0
[  257.466925]  ? mark_held_locks+0x130/0x130
[  257.473786]  ? mark_held_locks+0x130/0x130
[  257.477994] Node 0 
[  257.482219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.482228] DMA: 
[  257.484457]  ? trace_hardirqs_off+0xb8/0x310
[  257.489964] 1*4kB 
[  257.492019]  ? kasan_check_read+0x11/0x20
[  257.496399] (U) 
[  257.498545]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.502695] 0*8kB 
[  257.504661]  ? trace_hardirqs_on+0x310/0x310
[  257.509040] 0*16kB 
[  257.511181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.515557] 1*32kB 
[  257.517789]  ? wq_watchdog_touch+0x9c/0xfe
[  257.523295] (U) 
[  257.525526]  ? io_serial_in+0x11/0x90
[  257.529732] 2*64kB 
[  257.531704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.535477] (U) 
[  257.537718]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.543226] 1*128kB 
[  257.545196]  __alloc_pages_nodemask+0xa80/0xde0
[  257.550264] (U) 
[  257.552582]  ? should_fail+0x22d/0xd01
[  257.557221] 1*256kB 
[  257.559190]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  257.563059] (U) 
[  257.565384]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.570360] 0*512kB 
[  257.572331]  ? lock_downgrade+0x900/0x900
[  257.576973] 1*1024kB 
[  257.579291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.583411] (U) 
[  257.585818]  cache_grow_begin+0x91/0x8c0
[  257.591323] 1*2048kB 
[  257.593293]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.597324] (M) 
[  257.599725]  fallback_alloc+0x203/0x2e0
[  257.604112] 3*4096kB 
[  257.606076]  ____cache_alloc_node+0x1c7/0x1e0
[  257.610020] (M) 
[  257.612423]  kmem_cache_alloc_node+0xe3/0x730
[  257.616888] = 15908kB
[  257.618859]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.623325] Node 0 
[  257.625729]  __alloc_skb+0x119/0x770
[  257.629937] DMA32: 
[  257.632168]  ? skb_scrub_packet+0x490/0x490
[  257.635857] 3*4kB 
[  257.638083]  ? lock_downgrade+0x900/0x900
[  257.638115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.642418] (ME) 
[  257.644563]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.648684] 2*8kB 
[  257.654210]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.656246] (ME) 
[  257.661686]  ? addrconf_rs_timer+0x690/0x690
[  257.663812] 4*16kB 
[  257.669256]  ndisc_alloc_skb+0x144/0x340
[  257.671288] (UME) 
[  257.675686]  ndisc_send_rs+0x331/0x6e0
[  257.677896] 3*32kB 
[  257.681949]  addrconf_rs_timer+0x314/0x690
[  257.684072] (ME) 
[  257.687957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.690174] 5*64kB 
[  257.694402]  call_timer_fn+0x272/0x920
[  257.696431] (ME) 
[  257.700658]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.702872] 5*128kB 
[  257.706751]  ? process_timeout+0x40/0x40
[  257.708786] (UME) 
[  257.713019]  ? trace_hardirqs_off+0xb8/0x310
[  257.715335] 5*256kB 
[  257.719381]  ? kasan_check_read+0x11/0x20
[  257.721506] (UME) 
[  257.725907]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.728206] 4*512kB 
[  257.732346]  ? trace_hardirqs_on+0x310/0x310
[  257.734465] (ME) 
[  257.738865]  ? __run_timers+0x7da/0xc70
[  257.741164] 4*1024kB 
[  257.745562]  ? lock_downgrade+0x900/0x900
[  257.747596] (UME) 
[  257.751568]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.753952] 2*2048kB 
[  257.758087]  ? trace_hardirqs_on+0xbd/0x310
[  257.760236] (ME) 
[  257.765328]  ? kasan_check_read+0x11/0x20
[  257.767711] 3*4096kB 
[  257.772022]  ? __run_timers+0x7da/0xc70
[  257.774061] (M) 
[  257.778200]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.780583] = 24956kB
[  257.784549]  ? kasan_check_write+0x14/0x20
[  257.786499] Node 0 
[  257.792106]  ? do_raw_spin_lock+0xc1/0x200
[  257.794492] Normal: 
[  257.798718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.800926] 1016*4kB 
[  257.805152]  __run_timers+0x7e5/0xc70
[  257.807445] (UME) 
[  257.811674]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  257.814056] 447*8kB 
[  257.817844]  ? lock_acquire+0x1ed/0x520
[  257.819965] (ME) 
[  257.825318]  ? __hrtimer_run_queues+0x488/0x10d0
[  257.827618] 188*16kB 
[  257.831584]  ? lock_release+0x970/0x970
[  257.833618] (UME) 
[  257.838367]  ? trace_hardirqs_off+0xb8/0x310
[  257.840751] 54*32kB 
[  257.844714]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.846848] (UME) 
[  257.851245]  ? kasan_check_write+0x14/0x20
[  257.853543] 20*64kB 
[  257.857942]  ? pvclock_read_flags+0x160/0x160
[  257.860065] (UM) 
[  257.864292]  ? lock_downgrade+0x900/0x900
[  257.866591] 0*128kB 
[  257.871079]  ? trace_hardirqs_on+0xbd/0x310
[  257.873126] 0*256kB 
[  257.877263]  ? kvm_sched_clock_read+0x9/0x20
[  257.879561] 0*512kB 
[  257.883876]  ? irq_exit+0x17f/0x1c0
[  257.886176] 0*1024kB 
[  257.890576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.892873] 0*2048kB 
[  257.896488]  ? check_preemption_disabled+0x48/0x200
[  257.898870] 0*4096kB 
[  257.904398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.906779] = 13656kB
[  257.911785]  run_timer_softirq+0x52/0xb0
[  257.914174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  257.919691]  ? __this_cpu_preempt_check+0x1c/0x1f
[  257.922088] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  257.926147]  __do_softirq+0x30b/0xad8
[  257.934957] 4246 total pagecache pages
[  257.939789]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  257.948338] 0 pages in swap cache
[  257.952129]  ? pvclock_read_flags+0x160/0x160
[  257.955993] Swap cache stats: add 0, delete 0, find 0/0
[  257.961080]  ? lapic_next_event+0x5a/0x90
[  257.964515] Free swap  = 0kB
[  257.969004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.974338] Total swap = 0kB
[  257.978479]  ? clockevents_program_event+0x140/0x370
[  257.981468] 1965979 pages RAM
[  257.986997]  ? kvm_clock_read+0x18/0x30
[  257.990033] 0 pages HighMem/MovableOnly
[  257.995136]  ? kvm_sched_clock_read+0x9/0x20
[  257.998217] 342307 pages reserved
[  258.002182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.006133] 0 pages cma reserved
[  258.010530]  ? check_preemption_disabled+0x48/0x200
[  258.014010] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.019485]  irq_exit+0x17f/0x1c0
[  258.022864] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.027827]  smp_apic_timer_interrupt+0x1cb/0x760
[  258.034289] ksoftirqd/0 cpuset=
[  258.037735]  ? smp_reschedule_interrupt+0x109/0x650
[  258.048020] /
[  258.052852]  ? smp_call_function_single_interrupt+0x650/0x650
[  258.056113]  mems_allowed=0
[  258.061135]  ? interrupt_entry+0xb5/0xf0
[  258.075662]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.080675]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.085697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.090537]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.095550]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.100565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.106346]  ? check_preemption_disabled+0x48/0x200
[  258.111365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.116210]  apic_timer_interrupt+0xf/0x20
[  258.120432]  </IRQ>
[  258.122678] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  258.127604] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  258.146504] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  258.154208] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  258.161475] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  258.168737] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  258.176001] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  258.183281] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  258.190563]  ? trace_hardirqs_on+0xb4/0x310
[  258.194892]  skb_clone+0x1bb/0x500
[  258.198434]  ? skb_split+0x11e0/0x11e0
[  258.202321]  ? preempt_notifier_register+0x200/0x200
[  258.207420]  ? __switch_to_asm+0x34/0x70
[  258.211481]  ? __switch_to_asm+0x34/0x70
[  258.215552]  ? __switch_to_asm+0x40/0x70
[  258.219613]  ? __switch_to_asm+0x34/0x70
[  258.223669]  ? __switch_to_asm+0x40/0x70
[  258.227726]  ? __switch_to_asm+0x40/0x70
[  258.231782]  ? __switch_to_asm+0x34/0x70
[  258.236362]  ? __switch_to_asm+0x34/0x70
[  258.240423]  ? __switch_to_asm+0x40/0x70
[  258.244482]  ? __switch_to_asm+0x34/0x70
[  258.248548]  bpf_clone_redirect+0xb9/0x490
[  258.252788]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  258.257802]  ? __sched_text_start+0x8/0x8
[  258.261949]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.266700]  ? retint_kernel+0x2d/0x2d
[  258.270586]  ? trace_hardirqs_on_caller+0xc0/0x310
[  258.275521]  ? rcu_gp_kthread+0x2310/0x2310
[  258.279843]  ? trace_hardirqs_off+0x310/0x310
[  258.284344]  ? lock_acquire+0x1ed/0x520
[  258.288314]  ? bpf_test_run+0x3cb/0x780
[  258.292287]  ? lock_downgrade+0x900/0x900
[  258.296438]  ? lock_release+0x970/0x970
[  258.300411]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  258.306206]  ? preempt_schedule_common+0x1f/0xd0
[  258.310956]  ? preempt_schedule+0x4d/0x60
[  258.315108]  ? ___preempt_schedule+0x16/0x18
[  258.319520]  ? bpf_test_run+0x25d/0x780
[  258.323499]  ? netlink_diag_dump+0x2a0/0x2a0
[  258.327907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.333444]  ? bpf_test_init.isra.9+0x70/0x100
[  258.338029]  ? bpf_prog_test_run_skb+0x634/0xb40
[  258.342785]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.347627]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  258.353162]  ? fput+0x130/0x1a0
[  258.356438]  ? __bpf_prog_get+0x9b/0x290
[  258.360499]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.365339]  ? bpf_prog_test_run+0x130/0x1a0
[  258.369747]  ? __x64_sys_bpf+0x3d8/0x510
[  258.373802]  ? bpf_prog_get+0x20/0x20
[  258.377621]  ? do_syscall_64+0x1b9/0x820
[  258.381684]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  258.387049]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.391977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.396822]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.401837]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  258.406851]  ? prepare_exit_to_usermode+0x291/0x3b0
[  258.411866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.416710]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  258.422081] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  258.422143] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.428928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.428932] Call Trace:
[  258.428951]  dump_stack+0x1c4/0x2b4
[  258.428968]  ? dump_stack_print_info.cold.2+0x52/0x52
[  258.435515] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.444792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.447352] syz-executor4 cpuset=
[  258.450973]  warn_alloc.cold.119+0xb7/0x1bd
[  258.456133] syz4
[  258.466613]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.472128]  mems_allowed=0
[  258.475571]  ? lock_downgrade+0x900/0x900
[  258.493698]  ? trace_hardirqs_off+0xb8/0x310
[  258.498119]  ? trace_hardirqs_off+0xb8/0x310
[  258.502535]  __alloc_pages_slowpath+0x2667/0x2d80
[  258.507389]  ? mark_held_locks+0x130/0x130
[  258.511626]  ? warn_alloc+0x120/0x120
[  258.515427]  ? warn_alloc+0x120/0x120
[  258.519228]  ? warn_alloc+0x120/0x120
[  258.523029]  ? mark_held_locks+0x130/0x130
[  258.527265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.532802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.538342]  ? should_fail+0x22d/0xd01
[  258.542239]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.547338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.552870]  ? should_fail+0x22d/0xd01
[  258.556760]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.561860]  ? should_fail+0x22d/0xd01
[  258.565753]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.570853]  ? mark_held_locks+0x130/0x130
[  258.575088]  ? mark_held_locks+0x130/0x130
[  258.579334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.584874]  ? trace_hardirqs_off+0xb8/0x310
[  258.589311]  ? kasan_check_read+0x11/0x20
[  258.593454]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.597861]  ? trace_hardirqs_on+0x310/0x310
[  258.602266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.607799]  ? wq_watchdog_touch+0x9c/0xfe
[  258.612036]  ? io_serial_in+0x11/0x90
[  258.615836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.621375]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.626486]  __alloc_pages_nodemask+0xa80/0xde0
[  258.631157]  ? should_fail+0x22d/0xd01
[  258.635046]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  258.640074]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.644749]  ? lock_downgrade+0x900/0x900
[  258.648898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.654438]  cache_grow_begin+0x91/0x8c0
[  258.658501]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.662911]  fallback_alloc+0x203/0x2e0
[  258.666885]  ____cache_alloc_node+0x1c7/0x1e0
[  258.671382]  kmem_cache_alloc_node+0xe3/0x730
[  258.675876]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.680127]  __alloc_skb+0x119/0x770
[  258.683840]  ? skb_scrub_packet+0x490/0x490
[  258.688164]  ? lock_downgrade+0x900/0x900
[  258.692327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.697862]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.703312]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.708757]  ? addrconf_rs_timer+0x690/0x690
[  258.713172]  ndisc_alloc_skb+0x144/0x340
[  258.717233]  ndisc_send_rs+0x331/0x6e0
[  258.721134]  addrconf_rs_timer+0x314/0x690
[  258.725367]  ? lock_release+0x970/0x970
[  258.729340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.733584]  call_timer_fn+0x272/0x920
[  258.737470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.741701]  ? process_timeout+0x40/0x40
[  258.745755]  ? kasan_check_read+0x11/0x20
[  258.749907]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.754314]  ? trace_hardirqs_on+0x310/0x310
[  258.758722]  ? __run_timers+0x7da/0xc70
[  258.762701]  ? lock_downgrade+0x900/0x900
[  258.766874]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.771977]  ? trace_hardirqs_on+0xbd/0x310
[  258.776297]  ? kasan_check_read+0x11/0x20
[  258.780445]  ? __run_timers+0x7da/0xc70
[  258.784420]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.789873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.795410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.799640]  __run_timers+0x7e5/0xc70
[  258.803447]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  258.808809]  ? lock_downgrade+0x900/0x900
[  258.812954]  ? finish_task_switch+0x1b5/0x900
[  258.817447]  ? trace_hardirqs_on+0xbd/0x310
[  258.821765]  ? kasan_check_read+0x11/0x20
[  258.825911]  ? finish_task_switch+0x1f5/0x900
[  258.830404]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.835855]  ? compat_start_thread+0x80/0x80
[  258.840283]  ? pvclock_read_flags+0x160/0x160
[  258.844786]  ? __switch_to_asm+0x34/0x70
[  258.848844]  ? __switch_to_asm+0x34/0x70
[  258.852898]  ? __switch_to_asm+0x40/0x70
[  258.856955]  ? __switch_to_asm+0x40/0x70
[  258.861009]  ? __switch_to_asm+0x34/0x70
[  258.865066]  ? __switch_to_asm+0x40/0x70
[  258.869136]  ? trace_hardirqs_on+0xbd/0x310
[  258.873453]  ? kvm_sched_clock_read+0x9/0x20
[  258.877858]  ? run_ksoftirqd+0x94/0x100
[  258.881833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.887364]  ? check_preemption_disabled+0x48/0x200
[  258.892376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.897927]  run_timer_softirq+0x52/0xb0
[  258.901984]  ? __this_cpu_preempt_check+0x1c/0x1f
[  258.906821]  __do_softirq+0x30b/0xad8
[  258.910625]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  258.915725]  ? trace_hardirqs_off+0x310/0x310
[  258.920215]  ? retint_kernel+0x1b/0x2d
[  258.924117]  ? schedule+0x108/0x460
[  258.927752]  ? trace_hardirqs_off+0xb8/0x310
[  258.932162]  ? smpboot_thread_fn+0x68b/0xa00
[  258.936569]  ? trace_hardirqs_on+0x310/0x310
[  258.940979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.946513]  ? check_preemption_disabled+0x48/0x200
[  258.951533]  ? takeover_tasklets+0xa90/0xa90
[  258.955939]  run_ksoftirqd+0x94/0x100
[  258.959736]  smpboot_thread_fn+0x68b/0xa00
[  258.963970]  ? sort_range+0x30/0x30
[  258.967596]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.972696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.978232]  ? __kthread_parkme+0xfb/0x1a0
[  258.982465]  kthread+0x35a/0x420
[  258.985830]  ? sort_range+0x30/0x30
[  258.989467]  ? kthread_bind+0x40/0x40
[  258.993267]  ret_from_fork+0x3a/0x50
[  258.996984] warn_alloc_show_mem: 1 callbacks suppressed
[  258.996996] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  258.996998] Mem-Info:
[  258.997029] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  258.997029]  active_file:17 inactive_file:15 isolated_file:0
[  258.997029]  unevictable:0 dirty:0 writeback:0 unstable:0
[  258.997029]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  258.997029]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  258.997029]  free:13630 free_pcp:175 free_cma:0
[  259.002364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.009636] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  259.009644] Node 0 
[  259.012062] Call Trace:
[  259.045138] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  259.054453]  <IRQ>
[  259.082190] lowmem_reserve[]:
[  259.084424]  dump_stack+0x1c4/0x2b4
[  259.086979]  0
[  259.112478]  ? dump_stack_print_info.cold.2+0x52/0x52
[  259.114598]  2819
[  259.117700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.121296]  6323
[  259.123091]  warn_alloc.cold.119+0xb7/0x1bd
[  259.128262]  6323
[  259.130320]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.137887]  ? lock_downgrade+0x900/0x900
[  259.142183] Node 0 
[  259.144249]  ? trace_hardirqs_off+0xb8/0x310
[  259.149089] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  259.153203]  ? trace_hardirqs_off+0xb8/0x310
[  259.155413] lowmem_reserve[]:
[  259.159818]  __alloc_pages_slowpath+0x2667/0x2d80
[  259.186782]  0
[  259.191211]  ? warn_alloc+0x120/0x120
[  259.194298]  0
[  259.199138]  ? trace_hardirqs_on+0x310/0x310
[  259.200913]  3503
[  259.204707]  ? warn_alloc+0x120/0x120
[  259.206483]  3503
[  259.210886]  ? warn_alloc+0x120/0x120
[  259.216708]  ? ktime_get+0x2e1/0x440
[  259.216726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.218771] Node 0 
[  259.222560]  ? check_preemption_disabled+0x48/0x200
[  259.226272] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  259.231772]  ? kasan_check_read+0x11/0x20
[  259.233980] lowmem_reserve[]:
[  259.238990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.267450]  0
[  259.271598]  ? should_fail+0x22d/0xd01
[  259.274672]  0
[  259.280200]  ? rcu_bh_qs+0xc0/0xc0
[  259.281978]  0
[  259.285861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.287640]  0
[  259.291175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.298043]  ? should_fail+0x22d/0xd01
[  259.299821] Node 0 
[  259.305351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.309210] DMA: 
[  259.311441]  ? should_fail+0x22d/0xd01
[  259.316531] 1*4kB 
[  259.318585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.322444] (U) 
[  259.324590]  ? mark_held_locks+0x130/0x130
[  259.329666] 0*8kB 
[  259.331641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.335851] 0*16kB 
[  259.337990]  ? mark_held_locks+0x130/0x130
[  259.343498] 1*32kB 
[  259.345729]  ? rcu_irq_exit+0xce/0x100
[  259.349936] (U) 
[  259.352169]  ? irq_exit+0xbd/0x1c0
[  259.356025] 2*64kB 
[  259.357992]  ? mark_held_locks+0x130/0x130
[  259.361504] (U) 
[  259.363735]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.367940] 1*128kB 
[  259.369911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.375766] (U) 
[  259.378081]  ? ret_from_intr+0xb/0x1e
[  259.383588] 1*256kB 
[  259.385563]  ? retint_kernel+0x2d/0x2d
[  259.389333] (U) 
[  259.391653]  ? trace_hardirqs_on_caller+0xc0/0x310
[  259.395510] 0*512kB 
[  259.397477]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  259.402375] 1*1024kB 
[  259.404695]  ? trace_hardirqs_off+0x310/0x310
[  259.409420] (U) 
[  259.411825]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.416293] 1*2048kB 
[  259.418264]  __alloc_pages_nodemask+0xa80/0xde0
[  259.423331] (M) 
[  259.425734]  ? should_fail+0x22d/0xd01
[  259.430372] 3*4096kB 
[  259.432341]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  259.436197] (M) 
[  259.438614]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.443587] = 15908kB
[  259.445581]  ? lock_downgrade+0x900/0x900
[  259.450227] Node 0 
[  259.452636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.456756] DMA32: 
[  259.458986]  cache_grow_begin+0x91/0x8c0
[  259.464522] 3*4kB 
[  259.466752]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.470786] (ME) 
[  259.472928]  fallback_alloc+0x203/0x2e0
[  259.477313] 2*8kB 
[  259.479369]  ____cache_alloc_node+0x1c7/0x1e0
[  259.483314] (ME) 
[  259.485456]  kmem_cache_alloc_node+0xe3/0x730
[  259.489933] 4*16kB 
[  259.491988]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.496458] (UME) 
[  259.498689]  __alloc_skb+0x119/0x770
[  259.502893] 3*32kB 
[  259.505037]  ? skb_scrub_packet+0x490/0x490
[  259.508728] (ME) 
[  259.510955]  ? lock_downgrade+0x900/0x900
[  259.515247] 5*64kB 
[  259.517302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.521419] (ME) 
[  259.523652]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.529163] 5*128kB 
[  259.531217]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.536638] (UME) 
[  259.538955]  ? addrconf_rs_timer+0x690/0x690
[  259.544378] 5*256kB 
[  259.546522]  ndisc_alloc_skb+0x144/0x340
[  259.550901] (UME) 
[  259.553217]  ndisc_send_rs+0x331/0x6e0
[  259.557276] 4*512kB 
[  259.559420]  addrconf_rs_timer+0x314/0x690
[  259.563304] (ME) 
[  259.565626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.569829] 4*1024kB 
[  259.571890]  call_timer_fn+0x272/0x920
[  259.576103] (UME) 
[  259.578503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.582363] 2*2048kB 
[  259.584503]  ? process_timeout+0x40/0x40
[  259.588710] (ME) 
[  259.591116]  ? trace_hardirqs_off+0xb8/0x310
[  259.591131]  ? kasan_check_read+0x11/0x20
[  259.595168] 3*4096kB 
[  259.597222]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.601604] (M) 
[  259.605745]  ? trace_hardirqs_on+0x310/0x310
[  259.608136] = 24956kB
[  259.612536]  ? __run_timers+0x7da/0xc70
[  259.614483] Node 0 
[  259.618883]  ? lock_downgrade+0x900/0x900
[  259.621267] Normal: 
[  259.625237]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.627446] 1016*4kB 
[  259.631585]  ? trace_hardirqs_on+0xbd/0x310
[  259.633879] (UME) 
[  259.638975]  ? kasan_check_read+0x11/0x20
[  259.641364] 447*8kB 
[  259.645674]  ? __run_timers+0x7da/0xc70
[  259.647797] (ME) 
[  259.651936]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.654233] 188*16kB 
[  259.658198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.660236] (UME) 
[  259.665675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.668059] 54*32kB 
[  259.673586]  __run_timers+0x7e5/0xc70
[  259.675713] (UME) 
[  259.679952]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  259.682245] 20*64kB 
[  259.686033]  ? lock_acquire+0x1ed/0x520
[  259.688159] (UM) 
[  259.693512]  ? __hrtimer_run_queues+0x488/0x10d0
[  259.695811] 0*128kB 
[  259.699775]  ? lock_release+0x970/0x970
[  259.701810] 0*256kB 
[  259.706553]  ? trace_hardirqs_off+0xb8/0x310
[  259.708848] 0*512kB 
[  259.712813]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.715121] 0*1024kB 
[  259.719522]  ? kasan_check_write+0x14/0x20
[  259.721817] 0*2048kB 
[  259.726214]  ? pvclock_read_flags+0x160/0x160
[  259.728600] 0*4096kB 
[  259.732831]  ? lock_downgrade+0x900/0x900
[  259.735219] = 13656kB
[  259.739706]  ? trace_hardirqs_on+0xbd/0x310
[  259.742095] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  259.746236]  ? kvm_sched_clock_read+0x9/0x20
[  259.748618] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  259.748627] 4246 total pagecache pages
[  259.752940]  ? irq_exit+0x17f/0x1c0
[  259.761750] 0 pages in swap cache
[  259.766153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.774705] Swap cache stats: add 0, delete 0, find 0/0
[  259.778582]  ? check_preemption_disabled+0x48/0x200
[  259.782183] Free swap  = 0kB
[  259.785630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.791149] Total swap = 0kB
[  259.796509]  run_timer_softirq+0x52/0xb0
[  259.801494] 1965979 pages RAM
[  259.804519]  ? __this_cpu_preempt_check+0x1c/0x1f
[  259.810031] 0 pages HighMem/MovableOnly
[  259.813046]  __do_softirq+0x30b/0xad8
[  259.817081] 342307 pages reserved
[  259.820186]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  259.825007] 0 pages cma reserved
[  259.828971]  ? pvclock_read_flags+0x160/0x160
[  259.832795] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.836177]  ? lapic_next_event+0x5a/0x90
[  259.836191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.836209]  ? clockevents_program_event+0x140/0x370
[  259.841344] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.844648]  ? kvm_clock_read+0x18/0x30
[  259.849124] ksoftirqd/0 cpuset=
[  259.855616]  ? kvm_sched_clock_read+0x9/0x20
[  259.859728] /
[  259.865260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.870349]  mems_allowed=0
[  259.880649]  ? check_preemption_disabled+0x48/0x200
[  259.907400]  irq_exit+0x17f/0x1c0
[  259.910853]  smp_apic_timer_interrupt+0x1cb/0x760
[  259.915688]  ? smp_reschedule_interrupt+0x109/0x650
[  259.920701]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.926583]  ? interrupt_entry+0xb5/0xf0
[  259.930651]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.935662]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.940696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.945538]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.950549]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.955564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.961104]  ? check_preemption_disabled+0x48/0x200
[  259.966128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.970977]  apic_timer_interrupt+0xf/0x20
[  259.975206]  </IRQ>
[  259.977451] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  259.982381] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  260.001281] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  260.008988] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  260.016254] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  260.023516] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  260.030780] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  260.038045] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  260.045335]  ? trace_hardirqs_on+0xb4/0x310
[  260.049670]  skb_clone+0x1bb/0x500
[  260.053207]  ? skb_split+0x11e0/0x11e0
[  260.057106]  ? preempt_notifier_register+0x200/0x200
[  260.062207]  ? __switch_to_asm+0x34/0x70
[  260.066268]  ? __switch_to_asm+0x34/0x70
[  260.070413]  ? __switch_to_asm+0x40/0x70
[  260.074473]  ? __switch_to_asm+0x34/0x70
[  260.078528]  ? __switch_to_asm+0x40/0x70
[  260.082585]  ? __switch_to_asm+0x40/0x70
[  260.086648]  ? __switch_to_asm+0x34/0x70
[  260.090705]  ? __switch_to_asm+0x34/0x70
[  260.094761]  ? __switch_to_asm+0x40/0x70
[  260.098819]  ? __switch_to_asm+0x34/0x70
[  260.103085]  bpf_clone_redirect+0xb9/0x490
[  260.107335]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  260.112359]  ? __sched_text_start+0x8/0x8
[  260.116508]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.121268]  ? retint_kernel+0x2d/0x2d
[  260.125156]  ? trace_hardirqs_on_caller+0xc0/0x310
[  260.130087]  ? rcu_gp_kthread+0x2310/0x2310
[  260.134417]  ? trace_hardirqs_off+0x310/0x310
[  260.138916]  ? lock_acquire+0x1ed/0x520
[  260.142888]  ? bpf_test_run+0x3cb/0x780
[  260.146858]  ? lock_downgrade+0x900/0x900
[  260.151009]  ? lock_release+0x970/0x970
[  260.154979]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  260.160773]  ? preempt_schedule_common+0x1f/0xd0
[  260.165524]  ? preempt_schedule+0x4d/0x60
[  260.169670]  ? ___preempt_schedule+0x16/0x18
[  260.174081]  ? bpf_test_run+0x25d/0x780
[  260.178069]  ? netlink_diag_dump+0x2a0/0x2a0
[  260.182539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.188073]  ? bpf_test_init.isra.9+0x70/0x100
[  260.192694]  ? bpf_prog_test_run_skb+0x634/0xb40
[  260.197475]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.202321]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.207855]  ? fput+0x130/0x1a0
[  260.211131]  ? __bpf_prog_get+0x9b/0x290
[  260.215192]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.220034]  ? bpf_prog_test_run+0x130/0x1a0
[  260.224440]  ? __x64_sys_bpf+0x3d8/0x510
[  260.228499]  ? bpf_prog_get+0x20/0x20
[  260.232308]  ? do_syscall_64+0x1b9/0x820
[  260.236883]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  260.242249]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.247174]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.252022]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.257041]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  260.262059]  ? prepare_exit_to_usermode+0x291/0x3b0
[  260.267077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.271928]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  260.277298] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  260.277319] rcu: INFO: rcu_preempt self-detected stall on CPU
[  260.284134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.290011] Call Trace:
[  260.299379] rcu: 	1-...!: (1 GPs behind) idle=dea/1/0x4000000000000004 softirq=9775/9776 fqs=0 
[  260.301939]  dump_stack+0x1c4/0x2b4
[  260.310744] rcu: 	 (t=10543 jiffies g=11953 q=251)
[  260.314368]  ? dump_stack_print_info.cold.2+0x52/0x52
[  260.314385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.319300] rcu: rcu_preempt kthread starved for 10543 jiffies! g11953 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  260.324474]  warn_alloc.cold.119+0xb7/0x1bd
[  260.329981] rcu: RCU grace-period kthread stack dump:
[  260.340456]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.344754] rcu_preempt     R
[  260.349938]  ? lock_downgrade+0x900/0x900
[  260.354758]   running task    
[  260.357855]  ? trace_hardirqs_off+0xb8/0x310
[  260.361978] 22872    10      2 0x80000000
[  260.365156]  ? trace_hardirqs_off+0xb8/0x310
[  260.369538] Call Trace:
[  260.373675]  __alloc_pages_slowpath+0x2667/0x2d80
[  260.378066]  __schedule+0x86c/0x1ed0
[  260.380638]  ? mark_held_locks+0x130/0x130
[  260.385456]  ? __sched_text_start+0x8/0x8
[  260.389151]  ? warn_alloc+0x120/0x120
[  260.393366]  ? __mod_timer+0x6f6/0x1870
[  260.397496]  ? warn_alloc+0x120/0x120
[  260.401277]  ? add_timer_on+0x9f0/0x9f0
[  260.405232]  ? warn_alloc+0x120/0x120
[  260.409017]  ? lock_downgrade+0x900/0x900
[  260.412971]  ? mark_held_locks+0x130/0x130
[  260.416752]  ? trace_hardirqs_on+0xbd/0x310
[  260.420885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.425104]  ? kasan_check_read+0x11/0x20
[  260.429416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.434935]  ? prepare_to_swait_event+0x25a/0x800
[  260.439063]  ? should_fail+0x22d/0xd01
[  260.444579]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.449408]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.453278]  schedule+0xfe/0x460
[  260.458712]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.463794]  ? __schedule+0x1ed0/0x1ed0
[  260.467164]  ? should_fail+0x22d/0xd01
[  260.472684]  ? prepare_to_swait_event+0x25a/0x800
[  260.476643]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.480514]  ? __init_swait_queue_head+0x150/0x150
[  260.485340]  ? should_fail+0x22d/0xd01
[  260.490436]  ? __lockdep_init_map+0x105/0x590
[  260.495351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.499217]  ? lockdep_init_map+0x9/0x10
[  260.503695]  ? mark_held_locks+0x130/0x130
[  260.508779]  schedule_timeout+0x140/0x260
[  260.512820]  ? mark_held_locks+0x130/0x130
[  260.517038]  ? usleep_range+0x1a0/0x1a0
[  260.521177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.525409]  ? __next_timer_interrupt+0x1a0/0x1a0
[  260.529363]  ? mark_held_locks+0x130/0x130
[  260.534888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.539716]  ? trace_hardirqs_on+0x310/0x310
[  260.543934]  rcu_gp_kthread+0x9d9/0x2310
[  260.549452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.553848]  ? rcu_gp_init+0x1830/0x1830
[  260.557885]  ? wq_watchdog_touch+0x9c/0xfe
[  260.563404]  ? update_curr+0x344/0xbe0
[  260.567452]  ? io_serial_in+0x11/0x90
[  260.571666]  ? graph_lock+0x170/0x170
[  260.575538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.579322]  ? __account_cfs_rq_runtime+0x790/0x790
[  260.583122]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  260.588637]  ? __lock_acquire+0x7ec/0x4ec0
[  260.593643]  __alloc_pages_nodemask+0xa80/0xde0
[  260.598808]  ? graph_lock+0x170/0x170
[  260.603031]  ? should_fail+0x22d/0xd01
[  260.607678]  ? mark_held_locks+0x130/0x130
[  260.611464]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  260.615333]  ? __lock_is_held+0xb5/0x140
[  260.619561]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.624545]  ? __account_cfs_rq_runtime+0x790/0x790
[  260.628591]  ? lock_downgrade+0x900/0x900
[  260.633244]  ? set_next_entity+0x2f0/0xaf0
[  260.638241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.642370]  ? mark_held_locks+0x130/0x130
[  260.646588]  cache_grow_begin+0x91/0x8c0
[  260.652126]  ? rcu_read_lock_sched_held+0x108/0x120
[  260.656352]  ? do_raw_spin_unlock+0xa7/0x2f0
[  260.660411]  ? update_load_avg+0x2470/0x2470
[  260.665413]  fallback_alloc+0x203/0x2e0
[  260.669805]  ? __enqueue_entity+0x10d/0x1f0
[  260.674194]  ____cache_alloc_node+0x1c7/0x1e0
[  260.678153]  ? graph_lock+0x170/0x170
[  260.682458]  kmem_cache_alloc_node+0xe3/0x730
[  260.686931]  ? match_held_lock+0x291/0x8d0
[  260.690718]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.695196]  ? graph_lock+0x170/0x170
[  260.699427]  __alloc_skb+0x119/0x770
[  260.703645]  ? match_held_lock+0x290/0x8d0
[  260.707425]  ? skb_scrub_packet+0x490/0x490
[  260.711130]  ? match_held_lock+0x290/0x8d0
[  260.715347]  ? lock_downgrade+0x900/0x900
[  260.719666]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.723883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.728015]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.732492]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.738010]  ? lockdep_hardirqs_on+0x421/0x5c0
[  260.742490]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.747921]  ? trace_hardirqs_on+0xbd/0x310
[  260.752482]  ? addrconf_rs_timer+0x690/0x690
[  260.757913]  ? kasan_check_read+0x11/0x20
[  260.762223]  ndisc_alloc_skb+0x144/0x340
[  260.766615]  ? mark_held_locks+0x130/0x130
[  260.770740]  ndisc_send_rs+0x331/0x6e0
[  260.774787]  ? audit_add_watch+0x481/0xdc0
[  260.779005]  addrconf_rs_timer+0x314/0x690
[  260.782874]  ? kasan_check_write+0x14/0x20
[  260.787118]  ? lock_release+0x970/0x970
[  260.791332]  ? finish_task_switch+0x2f5/0x900
[  260.795544]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.799504]  ? __switch_to_asm+0x40/0x70
[  260.803983]  call_timer_fn+0x272/0x920
[  260.808196]  ? preempt_notifier_register+0x200/0x200
[  260.812237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.816138]  ? __switch_to_asm+0x34/0x70
[  260.821227]  ? process_timeout+0x40/0x40
[  260.825445]  ? __switch_to_asm+0x34/0x70
[  260.829489]  ? kasan_check_read+0x11/0x20
[  260.833536]  ? __switch_to_asm+0x40/0x70
[  260.837580]  ? do_raw_spin_unlock+0xa7/0x2f0
[  260.841713]  ? __switch_to_asm+0x40/0x70
[  260.845759]  ? trace_hardirqs_on+0x310/0x310
[  260.850167]  ? __switch_to_asm+0x34/0x70
[  260.854210]  ? __run_timers+0x7da/0xc70
[  260.858601]  ? __switch_to_asm+0x40/0x70
[  260.862659]  ? lock_downgrade+0x900/0x900
[  260.866620]  ? __switch_to_asm+0x34/0x70
[  260.870661]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  260.874788]  ? __switch_to_asm+0x34/0x70
[  260.878831]  ? trace_hardirqs_on+0xbd/0x310
[  260.883917]  ? __switch_to_asm+0x40/0x70
[  260.887957]  ? kasan_check_read+0x11/0x20
[  260.892259]  ? __switch_to_asm+0x40/0x70
[  260.896316]  ? __run_timers+0x7da/0xc70
[  260.900459]  ? __switch_to_asm+0x34/0x70
[  260.904500]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.908457]  ? __switch_to_asm+0x40/0x70
[  260.912502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.917932]  ? __schedule+0x874/0x1ed0
[  260.921976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.927494]  ? __switch_to_asm+0x40/0x70
[  260.931361]  __run_timers+0x7e5/0xc70
[  260.935577]  ? __switch_to_asm+0x40/0x70
[  260.939637]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  260.943417]  ? graph_lock+0x170/0x170
[  260.947459]  ? lock_downgrade+0x900/0x900
[  260.952804]  ? __sched_text_start+0x8/0x8
[  260.956604]  ? finish_task_switch+0x1b5/0x900
[  260.960735]  ? find_held_lock+0x36/0x1c0
[  260.964864]  ? trace_hardirqs_on+0xbd/0x310
[  260.969342]  ? __kthread_parkme+0xce/0x1a0
[  260.973386]  ? kasan_check_read+0x11/0x20
[  260.977692]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  260.981910]  ? finish_task_switch+0x1f5/0x900
[  260.986038]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  260.991134]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.995619]  ? lockdep_hardirqs_on+0x421/0x5c0
[  261.000698]  ? compat_start_thread+0x80/0x80
[  261.006133]  ? trace_hardirqs_on+0xbd/0x310
[  261.010702]  ? pvclock_read_flags+0x160/0x160
[  261.015086]  ? kasan_check_read+0x11/0x20
[  261.019399]  ? __switch_to_asm+0x34/0x70
[  261.023875]  ? __kthread_parkme+0xce/0x1a0
[  261.028006]  ? __switch_to_asm+0x34/0x70
[  261.032049]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.036263]  ? __switch_to_asm+0x40/0x70
[  261.040303]  ? kasan_check_write+0x14/0x20
[  261.045735]  ? __switch_to_asm+0x40/0x70
[  261.049778]  ? do_raw_spin_lock+0xc1/0x200
[  261.053994]  ? __switch_to_asm+0x34/0x70
[  261.058040]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.058057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.062274]  ? __switch_to_asm+0x40/0x70
[  261.066329]  ? __kthread_parkme+0xfb/0x1a0
[  261.071417]  ? trace_hardirqs_on+0xbd/0x310
[  261.076935]  kthread+0x35a/0x420
[  261.080987]  ? kvm_sched_clock_read+0x9/0x20
[  261.085201]  ? rcu_gp_init+0x1830/0x1830
[  261.089503]  ? run_ksoftirqd+0x94/0x100
[  261.092849]  ? kthread_bind+0x40/0x40
[  261.097239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.101281]  ret_from_fork+0x3a/0x50
[  261.105719]  ? check_preemption_disabled+0x48/0x200
[  261.109510] Sending NMI from CPU 1 to CPUs 0:
[  261.115023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.121712] NMI backtrace for cpu 0
[  261.121719] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  261.121726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.121731] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  261.121743] Code: 8b 4d 08 e8 c8 fe ff ff 5d c3 66 0f 1f 44 00 00 55 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 48 89 e5 48 8b 4d 08 e8 a6 fe ff ff <5d> c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00 00 48 89 e5 48
[  261.121748] RSP: 0000:ffff8801d9aae220 EFLAGS: 00000006
[  261.121756] RAX: 0000000000000102 RBX: ffffffff880bdee3 RCX: ffffffff87aef035
[  261.121762] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  261.121767] RBP: ffff8801d9aae220 R08: ffff8801d9aa0240 R09: fffffbfff12720fc
[  261.121773] R10: fffffbfff12720fc R11: ffffffff893907e3 R12: 000000000000006c
[  261.121779] R13: ffff8801d9aae350 R14: ffff8801d9aae2b0 R15: 0000000000000001
[  261.121785] FS:  0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
[  261.121790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  261.121796] CR2: 000000000045ddc9 CR3: 00000001d7cf5000 CR4: 00000000001406f0
[  261.121801] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  261.121807] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  261.121810] Call Trace:
[  261.121814]  format_decode+0x4c5/0xaf0
[  261.121818]  ? set_precision+0xe0/0xe0
[  261.121822]  ? mark_held_locks+0x130/0x130
[  261.121825]  vsnprintf+0x185/0x1b60
[  261.121829]  ? pointer+0x990/0x990
[  261.121832]  ? io_serial_in+0x11/0x90
[  261.121836]  snprintf+0xae/0xe0
[  261.121839]  ? vsprintf+0x40/0x40
[  261.121842]  ? lock_acquire+0x1ed/0x520
[  261.121846]  print_prefix+0x38e/0x3f0
[  261.121849]  msg_print_text+0x83/0x1d0
[  261.121853]  ? do_raw_spin_lock+0xc1/0x200
[  261.121857]  console_unlock+0x4d6/0x1160
[  261.121861]  ? devkmsg_read+0xbb0/0xbb0
[  261.121864]  ? lock_release+0x970/0x970
[  261.121868]  ? trace_hardirqs_off+0xb8/0x310
[  261.121872]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  261.121876]  ? trace_hardirqs_on+0x310/0x310
[  261.121880]  ? kasan_check_write+0x14/0x20
[  261.121884]  ? do_raw_spin_lock+0xc1/0x200
[  261.121888]  vprintk_emit+0x33d/0x930
[  261.121892]  ? wake_up_klogd+0x180/0x180
[  261.121896]  ? __sanitizer_cov_trace_cmp2+0x1/0x20
[  261.121900]  ? bpf_prog_kallsyms_find+0xde/0x4a0
[  261.121904]  ? is_bpf_text_address+0xac/0x170
[  261.121908]  ? lock_downgrade+0x900/0x900
[  261.121912]  vprintk_default+0x28/0x30
[  261.121915]  vprintk_func+0x7e/0x181
[  261.121919]  ? unwind_dump+0x190/0x190
[  261.121922]  printk+0xa7/0xcf
[  261.121926]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  261.121930]  ? is_bpf_text_address+0xd3/0x170
[  261.121935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.121939]  show_trace_log_lvl+0x23a/0x28c
[  261.121943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.121947]  ? run_timer_softirq+0x52/0xb0
[  261.121951]  show_stack+0x38/0x3a
[  261.121954]  dump_stack+0x1c4/0x2b4
[  261.121959]  ? dump_stack_print_info.cold.2+0x52/0x52
[  261.121963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.121967]  warn_alloc.cold.119+0xb7/0x1bd
[  261.121971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.121975]  ? lock_downgrade+0x900/0x900
[  261.121979]  ? trace_hardirqs_off+0xb8/0x310
[  261.121983]  ? trace_hardirqs_off+0xb8/0x310
[  261.121987]  __alloc_pages_slowpath+0x2667/0x2d80
[  261.121991]  ? mark_held_locks+0x130/0x130
[  261.121995]  ? warn_alloc+0x120/0x120
[  261.121998]  ? warn_alloc+0x120/0x120
[  261.122002]  ? warn_alloc+0x120/0x120
[  261.122006]  ? mark_held_locks+0x130/0x130
[  261.122011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.122015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.122019]  ? should_fail+0x22d/0xd01
[  261.122023]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.122028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.122032]  ? should_fail+0x22d/0xd01
[  261.122037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.122040]  ? should_fail+0x22d/0xd01
[  261.122045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.122049]  ? mark_held_locks+0x130/0x130
[  261.122053]  ? mark_held_locks+0x130/0x130
[  261.122057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.122061]  ? mark_held_locks+0x130/0x130
[  261.122065]  ? trace_hardirqs_on+0x310/0x310
[  261.122070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.122073]  ? wq_watchdog_touch+0x9c/0xfe
[  261.122077]  ? io_serial_in+0x11/0x90
[  261.122082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.122086]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.122090]  __alloc_pages_nodemask+0xa80/0xde0
[  261.122094]  ? should_fail+0x22d/0xd01
[  261.122106]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  261.122110]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.122113]  ? lock_downgrade+0x900/0x900
[  261.122118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.122121]  cache_grow_begin+0x91/0x8c0
[  261.122125]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.122129]  fallback_alloc+0x203/0x2e0
[  261.122133]  ____cache_alloc_node+0x1c7/0x1e0
[  261.122137]  kmem_cache_alloc_node+0xe3/0x730
[  261.122140]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.122144]  __alloc_skb+0x119/0x770
[  261.122148]  ? skb_scrub_packet+0x490/0x490
[  261.122152]  ? lock_downgrade+0x900/0x900
[  261.122157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.122162]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.122166]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.122170]  ? addrconf_rs_timer+0x690/0x690
[  261.122174]  ndisc_alloc_skb+0x144/0x340
[  261.122178]  ndisc_send_rs+0x331/0x6e0
[  261.122182]  addrconf_rs_timer+0x314/0x690
[  261.122186]  ? lock_release+0x970/0x970
[  261.122190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.122193]  call_timer_fn+0x272/0x920
[  261.122197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.122200]  ? process_timeout+0x40/0x40
[  261.122204]  ? kasan_check_read+0x11/0x20
[  261.122208]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.122212]  ? trace_hardirqs_on+0x310/0x310
[  261.122216]  ? __run_timers+0x7da/0xc70
[  261.122219]  ? lock_downgrade+0x900/0x900
[  261.122224]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.122228]  ? trace_hardirqs_on+0xbd/0x310
[  261.122232]  ? kasan_check_read+0x11/0x20
[  261.122235]  ? __run_timers+0x7da/0xc70
[  261.122240]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.122244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.122248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.122252]  __run_timers+0x7e5/0xc70
[  261.122257]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  261.122260]  ? lock_downgrade+0x900/0x900
[  261.122264]  ? finish_task_switch+0x1b5/0x900
[  261.122268]  ? trace_hardirqs_on+0xbd/0x310
[  261.122272]  ? kasan_check_read+0x11/0x20
[  261.122276]  ? finish_task_switch+0x1f5/0x900
[  261.122281]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.122285]  ? compat_start_thread+0x80/0x80
[  261.122289]  ? pvclock_read_flags+0x160/0x160
[  261.122293]  ? __switch_to_asm+0x34/0x70
[  261.122296]  ? __switch_to_asm+0x34/0x70
[  261.122300]  ? __switch_to_asm+0x40/0x70
[  261.122304]  ? __switch_to_asm+0x40/0x70
[  261.122307]  ? __switch_to_asm+0x34/0x70
[  261.122311]  ? __switch_to_asm+0x40/0x70
[  261.122315]  ? trace_hardirqs_on+0xbd/0x310
[  261.122319]  ? kvm_sched_clock_read+0x9/0x20
[  261.122322]  ? run_ksoftirqd+0x94/0x100
[  261.122327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.122332]  ? check_preemption_disabled+0x48/0x200
[  261.122336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.122340]  run_timer_softirq+0x52/0xb0
[  261.122344]  ? __this_cpu_preempt_check+0x1c/0x1f
[  261.122348]  __do_softirq+0x30b/0xad8
[  261.122352]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  261.122356]  ? trace_hardirqs_off+0x310/0x310
[  261.122360]  ? retint_kernel+0x1b/0x2d
[  261.122364]  ? schedule+0x108/0x460
[  261.122367]  ? trace_hardirqs_off+0xb8/0x310
[  261.122371]  ? smpboot_thread_fn+0x68b/0xa00
[  261.122375]  ? trace_hardirqs_on+0x310/0x310
[  261.122380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.122384]  ? check_preemption_disabled+0x48/0x200
[  261.122388]  ? takeover_tasklets+0xa90/0xa90
[  261.122391]  run_ksoftirqd+0x94/0x100
[  261.122395]  smpboot_thread_fn+0x68b/0xa00
[  261.122399]  ? sort_range+0x30/0x30
[  261.122403]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.122408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.122411]  ? __kthread_parkme+0xfb/0x1a0
[  261.122415]  kthread+0x35a/0x420
[  261.122418]  ? sort_range+0x30/0x30
[  261.122421]  ? kthread_bind+0x40/0x40
[  261.122425]  ret_from_fork+0x3a/0x50
[  261.122432] NMI backtrace for cpu 1
[  261.126032]  run_timer_softirq+0x52/0xb0
[  261.940523]  ? __this_cpu_preempt_check+0x1c/0x1f
[  261.945367]  __do_softirq+0x30b/0xad8
[  261.949170]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  261.954269]  ? trace_hardirqs_off+0x310/0x310
[  261.958760]  ? retint_kernel+0x1b/0x2d
[  261.962650]  ? schedule+0x108/0x460
[  261.966286]  ? trace_hardirqs_off+0xb8/0x310
[  261.970693]  ? smpboot_thread_fn+0x68b/0xa00
[  261.975123]  ? trace_hardirqs_on+0x310/0x310
[  261.979540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.985076]  ? check_preemption_disabled+0x48/0x200
[  261.990119]  ? takeover_tasklets+0xa90/0xa90
[  261.994527]  run_ksoftirqd+0x94/0x100
[  261.998325]  smpboot_thread_fn+0x68b/0xa00
[  262.002557]  ? sort_range+0x30/0x30
[  262.006183]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.011286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.016820]  ? __kthread_parkme+0xfb/0x1a0
[  262.021053]  kthread+0x35a/0x420
[  262.024415]  ? sort_range+0x30/0x30
[  262.028041]  ? kthread_bind+0x40/0x40
[  262.031839]  ret_from_fork+0x3a/0x50
[  262.035557] warn_alloc_show_mem: 1 callbacks suppressed
[  262.035569] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  262.035571] Mem-Info:
[  262.035601] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  262.035601]  active_file:17 inactive_file:15 isolated_file:0
[  262.035601]  unevictable:0 dirty:0 writeback:0 unstable:0
[  262.035601]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  262.035601]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  262.035601]  free:13630 free_pcp:175 free_cma:0
[  262.040941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.048216] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  262.050628] Call Trace:
[  262.083663] Node 0 
[  262.093002]  <IRQ>
[  262.121280] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  262.123840]  dump_stack+0x1c4/0x2b4
[  262.126058] lowmem_reserve[]:
[  262.128203]  ? dump_stack_print_info.cold.2+0x52/0x52
[  262.153676]  0
[  262.157295]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.160374]  2819
[  262.165557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.167334]  6323
[  262.172345]  nmi_cpu_backtrace.cold.3+0x63/0xa2
[  262.174382]  6323
[  262.179923]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  262.186625]  nmi_trigger_cpumask_backtrace+0x1b3/0x1ed
[  262.188653] Node 0 
[  262.193834]  arch_trigger_cpumask_backtrace+0x14/0x20
[  262.199121] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  262.201320]  rcu_dump_cpu_stacks+0x175/0x1c2
[  262.206484] lowmem_reserve[]:
[  262.233945]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.238329]  0
[  262.241429]  print_cpu_stall.cold.78+0x2d3/0x524
[  262.246428]  0
[  262.248224]  ? rcu_dynticks_snap+0x30/0x30
[  262.252950]  3503
[  262.254746]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  262.258948]  3503
[  262.261001]  ? rcu_test_sync_prims+0x30/0x30
[  262.268826]  ? mark_held_locks+0x130/0x130
[  262.273220] Node 0 
[  262.277447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.277479] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  262.277486] lowmem_reserve[]:
[  262.279718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.285226]  0
[  262.313674]  ? check_preemption_disabled+0x48/0x200
[  262.316786]  0
[  262.322320]  rcu_check_callbacks+0xfd9/0x1990
[  262.324121]  0
[  262.329140]  ? rcu_cpu_stall_reset+0x220/0x220
[  262.330934]  0
[  262.335436]  ? lock_release+0x970/0x970
[  262.341786]  ? mark_held_locks+0x130/0x130
[  262.343563] Node 0 
[  262.347540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.351748] DMA: 
[  262.353976]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  262.359485] 1*4kB 
[  262.361536]  ? kvm_set_tsc_khz+0x540/0x540
[  262.366094] (U) 
[  262.368247]  ? warn_alloc.cold.119+0xd1/0x1bd
[  262.372449] 0*8kB 
[  262.374417]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.378898] 0*16kB 
[  262.381041]  ? notifier_call_chain+0x2d4/0x380
[  262.386546] 1*32kB 
[  262.388776]  ? timekeeping_advance+0x3cc/0xc00
[  262.393332] (U) 
[  262.395564]  ? lock_downgrade+0x900/0x900
[  262.400128] 2*64kB 
[  262.402108]  ? lock_downgrade+0x900/0x900
[  262.406233] (U) 
[  262.408462]  ? trace_hardirqs_off+0xb8/0x310
[  262.412585] 1*128kB 
[  262.414551]  ? trace_hardirqs_off+0xb8/0x310
[  262.418930] (U) 
[  262.421253]  ? memcpy+0x45/0x50
[  262.425637] 1*256kB 
[  262.427607]  ? trace_hardirqs_on+0x310/0x310
[  262.430857] (U) 
[  262.433171]  ? check_preemption_disabled+0x48/0x200
[  262.437550] 0*512kB 
[  262.439523]  ? raise_softirq+0x199/0x420
[  262.444507] 1*1024kB 
[  262.446831]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  262.450877] (U) 
[  262.453285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.457925] 1*2048kB 
[  262.459889]  ? check_preemption_disabled+0x48/0x200
[  262.465400] (M) 
[  262.467805]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  262.472791] 3*4096kB 
[  262.474763]  ? hrtimer_run_queues+0x9a/0x400
[  262.480271] (M) 
[  262.482674]  ? run_local_timers+0x19b/0x230
[  262.487054] = 15908kB
[  262.489016]  ? timer_clear_idle+0x90/0x90
[  262.489036]  ? debug_smp_processor_id+0x1c/0x20
[  262.493338] Node 0 
[  262.495759]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  262.499884] DMA32: 
[  262.504543]  ? account_process_tick+0x282/0x350
[  262.506751] 3*4kB 
[  262.512716]  update_process_times+0x2d/0x70
[  262.514940] (ME) 
[  262.519600]  tick_sched_handle+0x9f/0x180
[  262.521723] 2*8kB 
[  262.526034]  tick_sched_timer+0x45/0x130
[  262.528078] (ME) 
[  262.532239]  __hrtimer_run_queues+0x41c/0x10d0
[  262.534366] 4*16kB 
[  262.538417]  ? tick_sched_do_timer+0x1a0/0x1a0
[  262.540450] (UME) 
[  262.545037]  ? hrtimer_start_range_ns+0xe00/0xe00
[  262.547246] 3*32kB 
[  262.551821]  ? pvclock_read_flags+0x160/0x160
[  262.553955] (ME) 
[  262.558787]  ? trace_hardirqs_on+0x310/0x310
[  262.560996] 5*64kB 
[  262.565489]  ? rcu_irq_exit+0xce/0x100
[  262.567520] (ME) 
[  262.571920]  ? kvm_clock_read+0x18/0x30
[  262.574132] 5*128kB 
[  262.578013]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  262.580049] (UME) 
[  262.584016]  ? ktime_get_update_offsets_now+0x3b6/0x550
[  262.586310] 5*256kB 
[  262.591314]  ? do_timer+0x50/0x50
[  262.593441] (UME) 
[  262.598793]  ? trace_hardirqs_on+0x310/0x310
[  262.601092] 4*512kB 
[  262.604541]  ? do_raw_spin_lock+0xc1/0x200
[  262.606658] (ME) 
[  262.611055]  hrtimer_interrupt+0x313/0x780
[  262.613356] 4*1024kB 
[  262.617580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.619621] (UME) 
[  262.623853]  smp_apic_timer_interrupt+0x1a1/0x760
[  262.626238] 2*2048kB 
[  262.631765]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.633891] (ME) 
[  262.638726]  ? interrupt_entry+0xb5/0xf0
[  262.641127] 3*4096kB (M) 
[  262.647023]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.649057] = 24956kB
[  262.653116]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.655845] Node 0 
[  262.660864]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.663243] Normal: 
[  262.667901]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.670125] 1016*4kB 
[  262.674966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.677257] (UME) 
[  262.682265]  apic_timer_interrupt+0xf/0x20
[  262.684649] 447*8kB 
[  262.689482] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  262.691598] (ME) 
[  262.695829] Code: 3f 7e 0f 85 32 ff ff ff e8 c5 7e 3e ff e9 28 ff ff ff e8 2c e2 c2 ff 48 83 3d 7c f3 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 23
[  262.698136] 188*16kB 
[  262.703482] RSP: 0018:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  262.705543] (UME) 
[  262.724435] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffffff8184e1ca
[  262.726827] 54*32kB 
[  262.734521] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  262.736650] (UME) 
[  262.743908] RBP: ffff8801daf074c0 R08: ffff8801947e4080 R09: fffffbfff12812c4
[  262.746213] 20*64kB 
[  262.753473] R10: ffff8801daf06098 R11: ffffffff89409623 R12: ffff8801d9bd5800
[  262.755604] (UM) 
[  262.762865] R13: ffff8801d9bd5800 R14: 0000000000000000 R15: 0000000000000286
[  262.765170] 0*128kB 
[  262.772438]  ? apic_timer_interrupt+0xa/0x20
[  262.774472] 0*256kB 
[  262.781737]  ? trace_hardirqs_on+0x9a/0x310
[  262.784030] 0*512kB 
[  262.788431]  ? trace_hardirqs_on+0xb4/0x310
[  262.790726] 0*1024kB 
[  262.795036]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.797332] 0*2048kB 
[  262.801649]  __alloc_skb+0x119/0x770
[  262.804029] 0*4096kB 
[  262.808255]  ? skb_scrub_packet+0x490/0x490
[  262.810654] = 13656kB
[  262.814357]  ? lock_downgrade+0x900/0x900
[  262.816753] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  262.821058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.823444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  262.827578]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.836425] 4246 total pagecache pages
[  262.841947]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.850491] 0 pages in swap cache
[  262.855930]  ? addrconf_rs_timer+0x690/0x690
[  262.859791] Swap cache stats: add 0, delete 0, find 0/0
[  262.865232]  ndisc_alloc_skb+0x144/0x340
[  262.868655] Free swap  = 0kB
[  262.873054]  ndisc_send_rs+0x331/0x6e0
[  262.878404] Total swap = 0kB
[  262.882459]  addrconf_rs_timer+0x314/0x690
[  262.885453] 1965979 pages RAM
[  262.889332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.892327] 0 pages HighMem/MovableOnly
[  262.896567]  call_timer_fn+0x272/0x920
[  262.899645] 342307 pages reserved
[  262.903866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.907820] 0 pages cma reserved
[  262.911703]  ? process_timeout+0x40/0x40
[  262.915154] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.296 msecs
[  262.919385]  ? trace_hardirqs_off+0xb8/0x310
[  262.922773] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.926768]  ? kasan_check_read+0x11/0x20
[  262.926784]  ? do_raw_spin_unlock+0xa7/0x2f0
[  262.926804]  ? trace_hardirqs_on+0x310/0x310
[  262.935344] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.939680]  ? __run_timers+0x7da/0xc70
[  262.946143] ksoftirqd/0 cpuset=
[  262.950286]  ? lock_downgrade+0x900/0x900
[  262.954664] /
[  262.959069]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.969349]  mems_allowed=0
[  262.973318]  ? trace_hardirqs_on+0xbd/0x310
[  262.994694]  ? kasan_check_read+0x11/0x20
[  262.998842]  ? __run_timers+0x7da/0xc70
[  263.002819]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.008271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.013809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.018042]  __run_timers+0x7e5/0xc70
[  263.021849]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  263.027242]  ? lock_acquire+0x1ed/0x520
[  263.031215]  ? __hrtimer_run_queues+0x488/0x10d0
[  263.035974]  ? lock_release+0x970/0x970
[  263.039951]  ? trace_hardirqs_off+0xb8/0x310
[  263.044356]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.048764]  ? kasan_check_write+0x14/0x20
[  263.053006]  ? pvclock_read_flags+0x160/0x160
[  263.057500]  ? lock_downgrade+0x900/0x900
[  263.061655]  ? trace_hardirqs_on+0xbd/0x310
[  263.065972]  ? kvm_sched_clock_read+0x9/0x20
[  263.070381]  ? irq_exit+0x17f/0x1c0
[  263.074007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.079546]  ? check_preemption_disabled+0x48/0x200
[  263.084561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.090112]  run_timer_softirq+0x52/0xb0
[  263.094171]  ? __this_cpu_preempt_check+0x1c/0x1f
[  263.099016]  __do_softirq+0x30b/0xad8
[  263.102822]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  263.107925]  ? pvclock_read_flags+0x160/0x160
[  263.112425]  ? lapic_next_event+0x5a/0x90
[  263.116568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.122110]  ? clockevents_program_event+0x140/0x370
[  263.127217]  ? kvm_clock_read+0x18/0x30
[  263.131187]  ? kvm_sched_clock_read+0x9/0x20
[  263.135592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.141134]  ? check_preemption_disabled+0x48/0x200
[  263.146159]  irq_exit+0x17f/0x1c0
[  263.149619]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.154456]  ? smp_reschedule_interrupt+0x109/0x650
[  263.159470]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.165354]  ? interrupt_entry+0xb5/0xf0
[  263.169417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.174430]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.179445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.184289]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.189299]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.194314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.199852]  ? check_preemption_disabled+0x48/0x200
[  263.204875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.209724]  apic_timer_interrupt+0xf/0x20
[  263.213954]  </IRQ>
[  263.216192] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  263.221130] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  263.240029] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  263.247748] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  263.255016] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  263.262279] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  263.269544] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  263.276805] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  263.284088]  ? trace_hardirqs_on+0xb4/0x310
[  263.288427]  skb_clone+0x1bb/0x500
[  263.291967]  ? skb_split+0x11e0/0x11e0
[  263.295873]  ? preempt_notifier_register+0x200/0x200
[  263.300976]  ? __switch_to_asm+0x34/0x70
[  263.305035]  ? __switch_to_asm+0x34/0x70
[  263.309093]  ? __switch_to_asm+0x40/0x70
[  263.313164]  ? __switch_to_asm+0x34/0x70
[  263.317221]  ? __switch_to_asm+0x40/0x70
[  263.321287]  ? __switch_to_asm+0x40/0x70
[  263.325345]  ? __switch_to_asm+0x34/0x70
[  263.329402]  ? __switch_to_asm+0x34/0x70
[  263.333460]  ? __switch_to_asm+0x40/0x70
[  263.337516]  ? __switch_to_asm+0x34/0x70
[  263.341576]  bpf_clone_redirect+0xb9/0x490
[  263.345814]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  263.350841]  ? __sched_text_start+0x8/0x8
[  263.354986]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.359739]  ? retint_kernel+0x2d/0x2d
[  263.363636]  ? trace_hardirqs_on_caller+0xc0/0x310
[  263.368567]  ? rcu_gp_kthread+0x2310/0x2310
[  263.372891]  ? trace_hardirqs_off+0x310/0x310
[  263.377388]  ? lock_acquire+0x1ed/0x520
[  263.381361]  ? bpf_test_run+0x3cb/0x780
[  263.385332]  ? lock_downgrade+0x900/0x900
[  263.389482]  ? lock_release+0x970/0x970
[  263.393452]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  263.399247]  ? preempt_schedule_common+0x1f/0xd0
[  263.403999]  ? preempt_schedule+0x4d/0x60
[  263.408148]  ? ___preempt_schedule+0x16/0x18
[  263.412556]  ? bpf_test_run+0x25d/0x780
[  263.416532]  ? netlink_diag_dump+0x2a0/0x2a0
[  263.420941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.426477]  ? bpf_test_init.isra.9+0x70/0x100
[  263.431057]  ? bpf_prog_test_run_skb+0x634/0xb40
[  263.435814]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  263.440670]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  263.446203]  ? fput+0x130/0x1a0
[  263.449484]  ? __bpf_prog_get+0x9b/0x290
[  263.453545]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  263.458386]  ? bpf_prog_test_run+0x130/0x1a0
[  263.462795]  ? __x64_sys_bpf+0x3d8/0x510
[  263.466850]  ? bpf_prog_get+0x20/0x20
[  263.470664]  ? do_syscall_64+0x1b9/0x820
[  263.474723]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  263.480088]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.485029]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.489869]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.494885]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  263.499900]  ? prepare_exit_to_usermode+0x291/0x3b0
[  263.504916]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.509765]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  263.515146] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  263.515157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.522045] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.531321] Call Trace:
[  263.531344]  dump_stack+0x1c4/0x2b4
[  263.531360]  ? dump_stack_print_info.cold.2+0x52/0x52
[  263.537899] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.540413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.544015] syz-executor4 cpuset=
[  263.549212]  warn_alloc.cold.119+0xb7/0x1bd
[  263.559658] syz4
[  263.565192]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.568620]  mems_allowed=0
[  263.572934]  ? lock_downgrade+0x900/0x900
[  263.586800]  ? trace_hardirqs_off+0xb8/0x310
[  263.591212]  ? trace_hardirqs_off+0xb8/0x310
[  263.595636]  __alloc_pages_slowpath+0x2667/0x2d80
[  263.600499]  ? mark_held_locks+0x130/0x130
[  263.604762]  ? warn_alloc+0x120/0x120
[  263.608562]  ? warn_alloc+0x120/0x120
[  263.612367]  ? warn_alloc+0x120/0x120
[  263.616173]  ? mark_held_locks+0x130/0x130
[  263.620413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.625947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.631484]  ? should_fail+0x22d/0xd01
[  263.635373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.640474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.646010]  ? should_fail+0x22d/0xd01
[  263.649910]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.655008]  ? should_fail+0x22d/0xd01
[  263.658895]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.663999]  ? mark_held_locks+0x130/0x130
[  263.668236]  ? mark_held_locks+0x130/0x130
[  263.672487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.678029]  ? trace_hardirqs_off+0xb8/0x310
[  263.682434]  ? kasan_check_read+0x11/0x20
[  263.686597]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.691035]  ? trace_hardirqs_on+0x310/0x310
[  263.695464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.701007]  ? wq_watchdog_touch+0x9c/0xfe
[  263.705264]  ? io_serial_in+0x11/0x90
[  263.709066]  ? retint_kernel+0x2d/0x2d
[  263.712952]  ? trace_hardirqs_on_caller+0xc0/0x310
[  263.717885]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.722637]  ? trace_hardirqs_off+0x310/0x310
[  263.727142]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.732252]  __alloc_pages_nodemask+0xa80/0xde0
[  263.736918]  ? should_fail+0x22d/0xd01
[  263.740810]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  263.745838]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.750504]  ? lock_downgrade+0x900/0x900
[  263.754666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.760223]  cache_grow_begin+0x91/0x8c0
[  263.764289]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.768702]  fallback_alloc+0x203/0x2e0
[  263.772680]  ____cache_alloc_node+0x1c7/0x1e0
[  263.777191]  kmem_cache_alloc_node+0xe3/0x730
[  263.781686]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.785943]  __alloc_skb+0x119/0x770
[  263.789669]  ? skb_scrub_packet+0x490/0x490
[  263.793991]  ? lock_downgrade+0x900/0x900
[  263.798147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.803685]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.809153]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.814601]  ? addrconf_rs_timer+0x690/0x690
[  263.819019]  ndisc_alloc_skb+0x144/0x340
[  263.823096]  ndisc_send_rs+0x331/0x6e0
[  263.827008]  addrconf_rs_timer+0x314/0x690
[  263.831238]  ? lock_release+0x970/0x970
[  263.835215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.839455]  call_timer_fn+0x272/0x920
[  263.843338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.847589]  ? process_timeout+0x40/0x40
[  263.851673]  ? kasan_check_read+0x11/0x20
[  263.855825]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.860235]  ? trace_hardirqs_on+0x310/0x310
[  263.864650]  ? __run_timers+0x7da/0xc70
[  263.868622]  ? lock_downgrade+0x900/0x900
[  263.872772]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.877876]  ? trace_hardirqs_on+0xbd/0x310
[  263.882196]  ? kasan_check_read+0x11/0x20
[  263.886352]  ? __run_timers+0x7da/0xc70
[  263.890327]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.895801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.901357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.905594]  __run_timers+0x7e5/0xc70
[  263.909402]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  263.914793]  ? lock_downgrade+0x900/0x900
[  263.920330]  ? finish_task_switch+0x1b5/0x900
[  263.924844]  ? trace_hardirqs_on+0xbd/0x310
[  263.929163]  ? kasan_check_read+0x11/0x20
[  263.933309]  ? finish_task_switch+0x1f5/0x900
[  263.937807]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.943253]  ? compat_start_thread+0x80/0x80
[  263.947674]  ? pvclock_read_flags+0x160/0x160
[  263.952166]  ? __switch_to_asm+0x34/0x70
[  263.956221]  ? __switch_to_asm+0x34/0x70
[  263.960279]  ? __switch_to_asm+0x40/0x70
[  263.964338]  ? __switch_to_asm+0x40/0x70
[  263.968420]  ? __switch_to_asm+0x34/0x70
[  263.972479]  ? __switch_to_asm+0x40/0x70
[  263.976546]  ? trace_hardirqs_on+0xbd/0x310
[  263.980886]  ? kvm_sched_clock_read+0x9/0x20
[  263.985300]  ? run_ksoftirqd+0x94/0x100
[  263.989279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.994823]  ? check_preemption_disabled+0x48/0x200
[  263.999860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.005403]  run_timer_softirq+0x52/0xb0
[  264.009460]  ? __this_cpu_preempt_check+0x1c/0x1f
[  264.014311]  __do_softirq+0x30b/0xad8
[  264.018130]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  264.023241]  ? trace_hardirqs_off+0x310/0x310
[  264.027732]  ? retint_kernel+0x1b/0x2d
[  264.031619]  ? schedule+0x108/0x460
[  264.035249]  ? trace_hardirqs_off+0xb8/0x310
[  264.039659]  ? smpboot_thread_fn+0x68b/0xa00
[  264.044063]  ? trace_hardirqs_on+0x310/0x310
[  264.048482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.054017]  ? check_preemption_disabled+0x48/0x200
[  264.059051]  ? takeover_tasklets+0xa90/0xa90
[  264.063457]  run_ksoftirqd+0x94/0x100
[  264.067268]  smpboot_thread_fn+0x68b/0xa00
[  264.071501]  ? sort_range+0x30/0x30
[  264.075143]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.080249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.085789]  ? __kthread_parkme+0xfb/0x1a0
[  264.090056]  kthread+0x35a/0x420
[  264.093427]  ? sort_range+0x30/0x30
[  264.097053]  ? kthread_bind+0x40/0x40
[  264.100851]  ret_from_fork+0x3a/0x50
[  264.105036] Mem-Info:
[  264.105049] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  264.105061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.107472] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  264.107472]  active_file:17 inactive_file:15 isolated_file:0
[  264.107472]  unevictable:0 dirty:0 writeback:0 unstable:0
[  264.107472]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  264.107472]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  264.107472]  free:13630 free_pcp:175 free_cma:0
[  264.114712] Call Trace:
[  264.124108] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  264.157120]  <IRQ>
[  264.157141]  dump_stack+0x1c4/0x2b4
[  264.159699] Node 0 
[  264.187455]  ? dump_stack_print_info.cold.2+0x52/0x52
[  264.189599] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  264.193194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.195401] lowmem_reserve[]:
[  264.200585]  warn_alloc.cold.119+0xb7/0x1bd
[  264.226058]  0
[  264.231591]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.234805]  2819 6323
[  264.239139]  ? lock_downgrade+0x900/0x900
[  264.240917]  6323
[  264.245751]  ? trace_hardirqs_off+0xb8/0x310
[  264.252460]  ? trace_hardirqs_off+0xb8/0x310
[  264.254495] Node 0 
[  264.258897]  __alloc_pages_slowpath+0x2667/0x2d80
[  264.263299] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  264.265514]  ? warn_alloc+0x120/0x120
[  264.270320] lowmem_reserve[]:
[  264.297303]  ? trace_hardirqs_on+0x310/0x310
[  264.301076]  0
[  264.304171]  ? warn_alloc+0x120/0x120
[  264.308564]  0
[  264.310358]  ? warn_alloc+0x120/0x120
[  264.314137]  3503
[  264.315929]  ? ktime_get+0x2e1/0x440
[  264.319700]  3503
[  264.321758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.327499]  ? check_preemption_disabled+0x48/0x200
[  264.333009] Node 0 Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  264.338046]  ? kasan_check_read+0x11/0x20
[  264.338063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.367098] lowmem_reserve[]:
[  264.371246]  ? should_fail+0x22d/0xd01
[  264.376763]  0
[  264.379861]  ? rcu_bh_qs+0xc0/0xc0
[  264.383733]  0
[  264.385530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.389038]  0
[  264.390839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.395916]  0
[  264.397709]  ? should_fail+0x22d/0xd01
[  264.405014]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.408873] Node 0 
[  264.413961]  ? should_fail+0x22d/0xd01
[  264.413963] DMA: 1*4kB 
[  264.416203]  ? rcu_idle_enter+0x4b0/0x4b0
[  264.420065] (U) 
[  264.422646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.426768] 0*8kB 
[  264.428738]  ? mark_held_locks+0x130/0x130
[  264.433812] 0*16kB 
[  264.435952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.440168] 1*32kB 
[  264.442393]  ? mark_held_locks+0x130/0x130
[  264.447903] (U) 
[  264.450139]  ? rcu_irq_exit+0xce/0x100
[  264.454346] 2*64kB 
[  264.456317]  ? irq_exit+0xbd/0x1c0
[  264.460171] (U) 
[  264.462401]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  264.465917] 1*128kB 
[  264.467905]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.472893] (U) 
[  264.475208]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.479591] 1*256kB 
[  264.481561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.487413] (U) 
[  264.489729]  ? ret_from_intr+0xb/0x1e
[  264.495241] 0*512kB 
[  264.497209]  ? retint_kernel+0x2d/0x2d
[  264.500984] 1*1024kB 
[  264.503298]  ? trace_hardirqs_on_caller+0xc0/0x310
[  264.507158] (U) 
[  264.509560]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  264.514461] 1*2048kB 
[  264.516425]  ? trace_hardirqs_off+0x310/0x310
[  264.521154] (M) 
[  264.523555]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.528022] 3*4096kB 
[  264.530039]  __alloc_pages_nodemask+0xa80/0xde0
[  264.535119] (M) 
[  264.537522]  ? should_fail+0x22d/0xd01
[  264.542163] = 15908kB
[  264.544141]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  264.548005] Node 0 
[  264.550418]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.555394] DMA32: 
[  264.557628]  ? lock_downgrade+0x900/0x900
[  264.562267] 3*4kB 
[  264.564501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.568622] (ME) 
[  264.570766]  cache_grow_begin+0x91/0x8c0
[  264.576277] 2*8kB 
[  264.578336]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.582364] (ME) 
[  264.584504]  fallback_alloc+0x203/0x2e0
[  264.588885] 4*16kB 
[  264.590939]  ____cache_alloc_node+0x1c7/0x1e0
[  264.594884] (UME) 
[  264.597118]  kmem_cache_alloc_node+0xe3/0x730
[  264.601590] 3*32kB 
[  264.603732]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.608196] (ME) 
[  264.610427]  __alloc_skb+0x119/0x770
[  264.614639] 5*64kB 
[  264.616695]  ? skb_scrub_packet+0x490/0x490
[  264.620378] (ME) 
[  264.622607]  ? lock_downgrade+0x900/0x900
[  264.626902] 5*128kB 
[  264.628959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.633093] (UME) 
[  264.635421]  ? refcount_sub_and_test_checked+0x203/0x310
[  264.640925] 5*256kB 
[  264.643070]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.648489] (UME) 
[  264.650802]  ? addrconf_rs_timer+0x690/0x690
[  264.656224] 4*512kB 
[  264.658364]  ndisc_alloc_skb+0x144/0x340
[  264.662744] (ME) 
[  264.665075]  ndisc_send_rs+0x331/0x6e0
[  264.669120] 4*1024kB 
[  264.671172]  addrconf_rs_timer+0x314/0x690
[  264.675039] (UME) 
[  264.677442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.681653] 2*2048kB 
[  264.683799]  call_timer_fn+0x272/0x920
[  264.688005] (ME) 
[  264.690418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.694286] 3*4096kB 
[  264.696348]  ? process_timeout+0x40/0x40
[  264.700558] (M) 
[  264.702960]  ? trace_hardirqs_off+0xb8/0x310
[  264.706989] = 24956kB
[  264.708955]  ? kasan_check_read+0x11/0x20
[  264.713334] Node 0 
[  264.715736]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.719865] Normal: 
[  264.722091]  ? trace_hardirqs_on+0x310/0x310
[  264.726479] 1016*4kB 
[  264.728794]  ? __run_timers+0x7da/0xc70
[  264.733173] (UME) 
[  264.735575]  ? lock_downgrade+0x900/0x900
[  264.739521] 447*8kB 
[  264.741668]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.745783] (ME) 
[  264.748097]  ? trace_hardirqs_on+0xbd/0x310
[  264.753182] 188*16kB 
[  264.755237]  ? kasan_check_read+0x11/0x20
[  264.759532] (UME) 
[  264.761932]  ? __run_timers+0x7da/0xc70
[  264.766054] 54*32kB 
[  264.768201]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.772155] (UME) 
[  264.774462]  ? kasan_check_write+0x14/0x20
[  264.779887] 20*64kB 
[  264.782030]  ? do_raw_spin_lock+0xc1/0x200
[  264.786237] (UM) 
[  264.788554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.792760] 0*128kB 
[  264.794813]  __run_timers+0x7e5/0xc70
[  264.799022] 0*256kB 
[  264.801340]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  264.805120] 0*512kB 
[  264.807432]  ? lock_acquire+0x1ed/0x520
[  264.812766] 0*1024kB 
[  264.815080]  ? __hrtimer_run_queues+0x488/0x10d0
[  264.819049] 0*2048kB 
[  264.821449]  ? lock_release+0x970/0x970
[  264.826177] 0*4096kB 
[  264.828578]  ? trace_hardirqs_off+0xb8/0x310
[  264.832528] = 13656kB
[  264.834930]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.839319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  264.841711]  ? kasan_check_write+0x14/0x20
[  264.846098] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  264.854932]  ? pvclock_read_flags+0x160/0x160
[  264.859143] 4246 total pagecache pages
[  264.867705]  ? lock_downgrade+0x900/0x900
[  264.872173] 0 pages in swap cache
[  264.876049]  ? trace_hardirqs_on+0xbd/0x310
[  264.880175] Swap cache stats: add 0, delete 0, find 0/0
[  264.883622]  ? kvm_sched_clock_read+0x9/0x20
[  264.887908] Free swap  = 0kB
[  264.893264]  ? irq_exit+0x17f/0x1c0
[  264.897641] Total swap = 0kB
[  264.900673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.904270] 1965979 pages RAM
[  264.907279]  ? check_preemption_disabled+0x48/0x200
[  264.912786] 0 pages HighMem/MovableOnly
[  264.915885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.920872] 342307 pages reserved
[  264.924838]  run_timer_softirq+0x52/0xb0
[  264.930347] 0 pages cma reserved
[  264.933786]  ? __this_cpu_preempt_check+0x1c/0x1f
[  264.937870] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.941177]  __do_softirq+0x30b/0xad8
[  264.946053] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.952472]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  264.956254] ksoftirqd/0 cpuset=
[  264.966553]  ? pvclock_read_flags+0x160/0x160
[  264.971630] /
[  264.974903]  ? lapic_next_event+0x5a/0x90
[  264.979371]  mems_allowed=0
[  264.981075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.993648]  ? clockevents_program_event+0x140/0x370
[  264.998755]  ? kvm_clock_read+0x18/0x30
[  265.002726]  ? kvm_sched_clock_read+0x9/0x20
[  265.007136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.012671]  ? check_preemption_disabled+0x48/0x200
[  265.017693]  irq_exit+0x17f/0x1c0
[  265.021146]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.025982]  ? smp_reschedule_interrupt+0x109/0x650
[  265.030995]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.036875]  ? interrupt_entry+0xb5/0xf0
[  265.040936]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.045949]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.050963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.055805]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.060817]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.065833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.071365]  ? check_preemption_disabled+0x48/0x200
[  265.076387]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.081238]  apic_timer_interrupt+0xf/0x20
[  265.085464]  </IRQ>
[  265.087708] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  265.092638] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  265.111533] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  265.119238] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  265.126501] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  265.133765] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  265.141031] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  265.148295] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  265.155582]  ? trace_hardirqs_on+0xb4/0x310
[  265.159917]  skb_clone+0x1bb/0x500
[  265.163456]  ? skb_split+0x11e0/0x11e0
[  265.167346]  ? preempt_notifier_register+0x200/0x200
[  265.172447]  ? __switch_to_asm+0x34/0x70
[  265.176502]  ? __switch_to_asm+0x34/0x70
[  265.180561]  ? __switch_to_asm+0x40/0x70
[  265.184626]  ? __switch_to_asm+0x34/0x70
[  265.188685]  ? __switch_to_asm+0x40/0x70
[  265.192742]  ? __switch_to_asm+0x40/0x70
[  265.196798]  ? __switch_to_asm+0x34/0x70
[  265.200855]  ? __switch_to_asm+0x34/0x70
[  265.204912]  ? __switch_to_asm+0x40/0x70
[  265.208968]  ? __switch_to_asm+0x34/0x70
[  265.213031]  bpf_clone_redirect+0xb9/0x490
[  265.217270]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  265.222288]  ? __sched_text_start+0x8/0x8
[  265.226433]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.231189]  ? retint_kernel+0x2d/0x2d
[  265.235074]  ? trace_hardirqs_on_caller+0xc0/0x310
[  265.240011]  ? rcu_gp_kthread+0x2310/0x2310
[  265.244331]  ? trace_hardirqs_off+0x310/0x310
[  265.248834]  ? lock_acquire+0x1ed/0x520
[  265.252805]  ? bpf_test_run+0x3cb/0x780
[  265.256792]  ? lock_downgrade+0x900/0x900
[  265.260939]  ? lock_release+0x970/0x970
[  265.264912]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  265.270712]  ? preempt_schedule_common+0x1f/0xd0
[  265.275467]  ? preempt_schedule+0x4d/0x60
[  265.279624]  ? ___preempt_schedule+0x16/0x18
[  265.284032]  ? bpf_test_run+0x25d/0x780
[  265.288423]  ? netlink_diag_dump+0x2a0/0x2a0
[  265.292830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.298371]  ? bpf_test_init.isra.9+0x70/0x100
[  265.302951]  ? bpf_prog_test_run_skb+0x634/0xb40
[  265.307715]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  265.312553]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  265.318086]  ? fput+0x130/0x1a0
[  265.321376]  ? __bpf_prog_get+0x9b/0x290
[  265.325435]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  265.330279]  ? bpf_prog_test_run+0x130/0x1a0
[  265.334686]  ? __x64_sys_bpf+0x3d8/0x510
[  265.338741]  ? bpf_prog_get+0x20/0x20
[  265.342555]  ? do_syscall_64+0x1b9/0x820
[  265.346623]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  265.351989]  ? syscall_return_slowpath+0x5e0/0x5e0
[  265.356914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.361758]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.366775]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  265.371789]  ? prepare_exit_to_usermode+0x291/0x3b0
[  265.376815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.381668]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  265.387049] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  265.387112] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.393919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.393924] Call Trace:
[  265.393945]  dump_stack+0x1c4/0x2b4
[  265.393962]  ? dump_stack_print_info.cold.2+0x52/0x52
[  265.400479] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.409795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.412356] syz-executor4 cpuset=
[  265.415976]  warn_alloc.cold.119+0xb7/0x1bd
[  265.421133] syz4
[  265.431616]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.437140]  mems_allowed=0
[  265.440583]  ? lock_downgrade+0x900/0x900
[  265.458743]  ? trace_hardirqs_off+0xb8/0x310
[  265.463152]  ? trace_hardirqs_off+0xb8/0x310
[  265.467569]  __alloc_pages_slowpath+0x2667/0x2d80
[  265.472427]  ? mark_held_locks+0x130/0x130
[  265.476664]  ? warn_alloc+0x120/0x120
[  265.480471]  ? warn_alloc+0x120/0x120
[  265.484272]  ? warn_alloc+0x120/0x120
[  265.488079]  ? mark_held_locks+0x130/0x130
[  265.492326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.497861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.503397]  ? should_fail+0x22d/0xd01
[  265.507285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.512389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.517926]  ? should_fail+0x22d/0xd01
[  265.521812]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.526918]  ? should_fail+0x22d/0xd01
[  265.530812]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.535917]  ? mark_held_locks+0x130/0x130
[  265.540154]  ? mark_held_locks+0x130/0x130
[  265.544386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.549938]  ? trace_hardirqs_off+0xb8/0x310
[  265.554342]  ? kasan_check_read+0x11/0x20
[  265.558487]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.562893]  ? trace_hardirqs_on+0x310/0x310
[  265.567296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.572843]  ? wq_watchdog_touch+0x9c/0xfe
[  265.577077]  ? io_serial_in+0x11/0x90
[  265.580976]  ? retint_kernel+0x2d/0x2d
[  265.584859]  ? trace_hardirqs_on_caller+0xc0/0x310
[  265.589786]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.594538]  ? trace_hardirqs_off+0x310/0x310
[  265.599035]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.604149]  __alloc_pages_nodemask+0xa80/0xde0
[  265.608850]  ? should_fail+0x22d/0xd01
[  265.612761]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  265.617789]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.622458]  ? lock_downgrade+0x900/0x900
[  265.626607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.632149]  cache_grow_begin+0x91/0x8c0
[  265.636208]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.640621]  fallback_alloc+0x203/0x2e0
[  265.644598]  ____cache_alloc_node+0x1c7/0x1e0
[  265.649095]  kmem_cache_alloc_node+0xe3/0x730
[  265.653603]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.657846]  __alloc_skb+0x119/0x770
[  265.661560]  ? skb_scrub_packet+0x490/0x490
[  265.665882]  ? lock_downgrade+0x900/0x900
[  265.670032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.675578]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.681039]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.686496]  ? addrconf_rs_timer+0x690/0x690
[  265.690912]  ndisc_alloc_skb+0x144/0x340
[  265.694977]  ndisc_send_rs+0x331/0x6e0
[  265.698867]  addrconf_rs_timer+0x314/0x690
[  265.703097]  ? lock_release+0x970/0x970
[  265.707083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.711337]  call_timer_fn+0x272/0x920
[  265.715226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.719462]  ? process_timeout+0x40/0x40
[  265.723527]  ? kasan_check_read+0x11/0x20
[  265.727674]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.732084]  ? trace_hardirqs_on+0x310/0x310
[  265.736519]  ? __run_timers+0x7da/0xc70
[  265.740502]  ? lock_downgrade+0x900/0x900
[  265.744651]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.749752]  ? trace_hardirqs_on+0xbd/0x310
[  265.754071]  ? kasan_check_read+0x11/0x20
[  265.758234]  ? __run_timers+0x7da/0xc70
[  265.762209]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.767659]  ? kasan_check_write+0x14/0x20
[  265.771894]  ? do_raw_spin_lock+0xc1/0x200
[  265.776139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.780372]  __run_timers+0x7e5/0xc70
[  265.784179]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  265.789536]  ? lock_downgrade+0x900/0x900
[  265.793680]  ? finish_task_switch+0x1b5/0x900
[  265.798174]  ? trace_hardirqs_on+0xbd/0x310
[  265.802494]  ? kasan_check_read+0x11/0x20
[  265.806639]  ? finish_task_switch+0x1f5/0x900
[  265.811141]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.816589]  ? compat_start_thread+0x80/0x80
[  265.821006]  ? pvclock_read_flags+0x160/0x160
[  265.825498]  ? __switch_to_asm+0x34/0x70
[  265.829554]  ? __switch_to_asm+0x34/0x70
[  265.833620]  ? __switch_to_asm+0x40/0x70
[  265.837676]  ? __switch_to_asm+0x40/0x70
[  265.841738]  ? __switch_to_asm+0x34/0x70
[  265.845795]  ? __switch_to_asm+0x40/0x70
[  265.849856]  ? trace_hardirqs_on+0xbd/0x310
[  265.854174]  ? kvm_sched_clock_read+0x9/0x20
[  265.858581]  ? run_ksoftirqd+0x94/0x100
[  265.862555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.868087]  ? check_preemption_disabled+0x48/0x200
[  265.873124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.878664]  run_timer_softirq+0x52/0xb0
[  265.882720]  ? __this_cpu_preempt_check+0x1c/0x1f
[  265.887557]  __do_softirq+0x30b/0xad8
[  265.891363]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  265.896462]  ? trace_hardirqs_off+0x310/0x310
[  265.900956]  ? retint_kernel+0x1b/0x2d
[  265.904850]  ? schedule+0x108/0x460
[  265.908478]  ? trace_hardirqs_off+0xb8/0x310
[  265.912887]  ? smpboot_thread_fn+0x68b/0xa00
[  265.917295]  ? trace_hardirqs_on+0x310/0x310
[  265.921706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.927242]  ? check_preemption_disabled+0x48/0x200
[  265.932274]  ? takeover_tasklets+0xa90/0xa90
[  265.936682]  run_ksoftirqd+0x94/0x100
[  265.940485]  smpboot_thread_fn+0x68b/0xa00
[  265.944724]  ? sort_range+0x30/0x30
[  265.948348]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.953449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.959023]  ? __kthread_parkme+0xfb/0x1a0
[  265.963257]  kthread+0x35a/0x420
[  265.966617]  ? sort_range+0x30/0x30
[  265.970241]  ? kthread_bind+0x40/0x40
[  265.974044]  ret_from_fork+0x3a/0x50
[  265.977767] warn_alloc_show_mem: 1 callbacks suppressed
[  265.977779] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  265.977780] Mem-Info:
[  265.977815] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  265.977815]  active_file:17 inactive_file:15 isolated_file:0
[  265.977815]  unevictable:0 dirty:0 writeback:0 unstable:0
[  265.977815]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  265.977815]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  265.977815]  free:13630 free_pcp:175 free_cma:0
[  265.983144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.990433] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  265.992829] Call Trace:
[  266.025882] Node 0 
[  266.035228]  <IRQ>
[  266.062990] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  266.065544]  dump_stack+0x1c4/0x2b4
[  266.067756] lowmem_reserve[]:
[  266.069899]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.095376]  0
[  266.099001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.102512]  2819 6323
[  266.107712]  warn_alloc.cold.119+0xb7/0x1bd
[  266.109482]  6323
[  266.115015]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.121808]  ? lock_downgrade+0x900/0x900
[  266.123841] Node 0 
[  266.128990]  ? trace_hardirqs_off+0xb8/0x310
[  266.133146] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  266.135350]  ? trace_hardirqs_off+0xb8/0x310
[  266.139742] lowmem_reserve[]:
[  266.166730]  __alloc_pages_slowpath+0x2667/0x2d80
[  266.171121]  0
[  266.174228]  ? warn_alloc+0x120/0x120
[  266.179027]  0
[  266.180819]  ? warn_alloc+0x120/0x120
[  266.184596]  3503
[  266.186394]  ? warn_alloc+0x120/0x120
[  266.190178]  3503
[  266.192236]  ? mark_held_locks+0x130/0x130
[  266.198070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.202280] Node 0 
[  266.207808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.207843] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  266.210055]  ? should_fail+0x22d/0xd01
[  266.215564] lowmem_reserve[]:
[  266.244528]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.248385]  0
[  266.251486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.256562]  0
[  266.258357]  ? should_fail+0x22d/0xd01
[  266.263866]  0
[  266.265662]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.269519]  0
[  266.271312]  ? should_fail+0x22d/0xd01
[  266.278183]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.282042] Node 0 DMA: 
[  266.287145]  ? mark_held_locks+0x130/0x130
[  266.287160]  ? mark_held_locks+0x130/0x130
[  266.289822] 1*4kB 
[  266.294051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.298258] (U) 
[  266.300399]  ? trace_hardirqs_off+0xb8/0x310
[  266.305905] 0*8kB 
[  266.307869]  ? kasan_check_read+0x11/0x20
[  266.312259] 0*16kB 
[  266.314402]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.318521] 1*32kB 
[  266.320748]  ? trace_hardirqs_on+0x310/0x310
[  266.325149] (U) 
[  266.327380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.331762] 2*64kB 
[  266.333727]  ? wq_watchdog_touch+0x9c/0xfe
[  266.339236] (U) 
[  266.341466]  ? io_serial_in+0x11/0x90
[  266.345669] 1*128kB 
[  266.347638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.351420] (U) 
[  266.353736]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.359248] 1*256kB 
[  266.361222]  __alloc_pages_nodemask+0xa80/0xde0
[  266.366293] (U) 
[  266.368611]  ? should_fail+0x22d/0xd01
[  266.373252] 0*512kB 
[  266.375222]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  266.379078] 1*1024kB 
[  266.381406]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.386380] (U) 
[  266.388788]  ? lock_downgrade+0x900/0x900
[  266.393431] 1*2048kB 
[  266.395400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.399515] (M) 
[  266.401919]  cache_grow_begin+0x91/0x8c0
[  266.407427] 3*4096kB 
[  266.409395]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.413425] (M) 
[  266.415827]  fallback_alloc+0x203/0x2e0
[  266.420211] = 15908kB
[  266.422187]  ____cache_alloc_node+0x1c7/0x1e0
[  266.426134] Node 0 
[  266.428537]  kmem_cache_alloc_node+0xe3/0x730
[  266.432995] DMA32: 3*4kB 
[  266.435237]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.439705] (ME) 
[  266.442458]  __alloc_skb+0x119/0x770
[  266.446662] 2*8kB 
[  266.448713]  ? skb_scrub_packet+0x490/0x490
[  266.452402] (ME) 
[  266.454544]  ? lock_downgrade+0x900/0x900
[  266.458854] 4*16kB 
[  266.460910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.465028] (UME) 
[  266.467259]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.472764] 3*32kB 
[  266.474906]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.480325] (ME) 
[  266.482552]  ? addrconf_rs_timer+0x690/0x690
[  266.487977] 5*64kB 
[  266.490035]  ndisc_alloc_skb+0x144/0x340
[  266.494411] (ME) 
[  266.496640]  ndisc_send_rs+0x331/0x6e0
[  266.500674] 5*128kB 
[  266.502725]  addrconf_rs_timer+0x314/0x690
[  266.506583] (UME) 
[  266.508896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.513103] 5*256kB 
[  266.515258]  call_timer_fn+0x272/0x920
[  266.519466] (UME) 
[  266.521778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.525815] 4*512kB 
[  266.527957]  ? process_timeout+0x40/0x40
[  266.527974]  ? trace_hardirqs_off+0xb8/0x310
[  266.532184] (ME) 
[  266.534511]  ? kasan_check_read+0x11/0x20
[  266.538552] 4*1024kB 
[  266.542954]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.544989] (UME) 
[  266.549130]  ? trace_hardirqs_on+0x310/0x310
[  266.549148]  ? __run_timers+0x7da/0xc70
[  266.551539] 2*2048kB 
[  266.555938]  ? lock_downgrade+0x900/0x900
[  266.558060] (ME) 
[  266.562464]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.566408] 3*4096kB 
[  266.568811]  ? trace_hardirqs_on+0xbd/0x310
[  266.572935] (M) 
[  266.574993]  ? kasan_check_read+0x11/0x20
[  266.580074] = 24956kB
[  266.582479]  ? __run_timers+0x7da/0xc70
[  266.582494]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.582515]  ? kasan_check_write+0x14/0x20
[  266.586819] Node 0 
[  266.588787]  ? do_raw_spin_lock+0xc1/0x200
[  266.592910] Normal: 
[  266.595311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.599256] 1016*4kB 
[  266.604702]  __run_timers+0x7e5/0xc70
[  266.608906] (UME) 
[  266.611148]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  266.615347] 447*8kB 
[  266.617663]  ? lock_acquire+0x1ed/0x520
[  266.621956] (ME) 
[  266.624360]  ? __hrtimer_run_queues+0x488/0x10d0
[  266.628164] 188*16kB 
[  266.630305]  ? lock_release+0x970/0x970
[  266.635641] (UME) 
[  266.637961]  ? trace_hardirqs_off+0xb8/0x310
[  266.641907] 54*32kB 
[  266.643965]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.648701] (UME) 
[  266.651101]  ? kasan_check_write+0x14/0x20
[  266.655061] 20*64kB 
[  266.657203]  ? pvclock_read_flags+0x160/0x160
[  266.661584] (UM) 
[  266.663901]  ? lock_downgrade+0x900/0x900
[  266.668284] 0*128kB 
[  266.670431]  ? trace_hardirqs_on+0xbd/0x310
[  266.674635] 0*256kB 
[  266.676954]  ? kvm_sched_clock_read+0x9/0x20
[  266.681420] 0*512kB 
[  266.683478]  ? irq_exit+0x17f/0x1c0
[  266.687595] 0*1024kB 
[  266.689913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.694205] 0*2048kB 
[  266.696520]  ? check_preemption_disabled+0x48/0x200
[  266.700898] 0*4096kB 
[  266.703219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.706818] = 13656kB
[  266.709229]  run_timer_softirq+0x52/0xb0
[  266.714749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  266.717145]  ? __this_cpu_preempt_check+0x1c/0x1f
[  266.722140] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  266.724550]  __do_softirq+0x30b/0xad8
[  266.730067] 4246 total pagecache pages
[  266.732479]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  266.736512] 0 pages in swap cache
[  266.745359]  ? pvclock_read_flags+0x160/0x160
[  266.750202] Swap cache stats: add 0, delete 0, find 0/0
[  266.758779]  ? lapic_next_event+0x5a/0x90
[  266.762549] Free swap  = 0kB
[  266.766429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.771496] Total swap = 0kB
[  266.774957]  ? clockevents_program_event+0x140/0x370
[  266.779439] 1965979 pages RAM
[  266.784805]  ? kvm_clock_read+0x18/0x30
[  266.788921] 0 pages HighMem/MovableOnly
[  266.791936]  ? kvm_sched_clock_read+0x9/0x20
[  266.797441] 342307 pages reserved
[  266.800458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.805535] 0 pages cma reserved
[  266.808645]  ? check_preemption_disabled+0x48/0x200
[  266.812642] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.816563]  irq_exit+0x17f/0x1c0
[  266.816581]  smp_apic_timer_interrupt+0x1cb/0x760
[  266.821014] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.824417]  ? smp_reschedule_interrupt+0x109/0x650
[  266.829929] ksoftirqd/0 cpuset=
[  266.833284]  ? smp_call_function_single_interrupt+0x650/0x650
[  266.838272] /
[  266.844760]  ? interrupt_entry+0xb5/0xf0
[  266.848185]  mems_allowed=0
[  266.853029]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.891122]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.896150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.900995]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.906007]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.911022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.916559]  ? check_preemption_disabled+0x48/0x200
[  266.921577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.926424]  apic_timer_interrupt+0xf/0x20
[  266.930648]  </IRQ>
[  266.932888] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  266.937820] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  266.956722] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  266.964434] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  266.971705] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  266.978978] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  266.986259] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  266.993533] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  267.000822]  ? trace_hardirqs_on+0xb4/0x310
[  267.005162]  skb_clone+0x1bb/0x500
[  267.008707]  ? skb_split+0x11e0/0x11e0
[  267.012602]  ? preempt_notifier_register+0x200/0x200
[  267.017707]  ? __switch_to_asm+0x34/0x70
[  267.021765]  ? __switch_to_asm+0x34/0x70
[  267.025822]  ? __switch_to_asm+0x40/0x70
[  267.029884]  ? __switch_to_asm+0x34/0x70
[  267.033942]  ? __switch_to_asm+0x40/0x70
[  267.038018]  ? __switch_to_asm+0x40/0x70
[  267.042077]  ? __switch_to_asm+0x34/0x70
[  267.046143]  ? __switch_to_asm+0x34/0x70
[  267.050204]  ? __switch_to_asm+0x40/0x70
[  267.054261]  ? __switch_to_asm+0x34/0x70
[  267.058321]  bpf_clone_redirect+0xb9/0x490
[  267.062562]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  267.067576]  ? __sched_text_start+0x8/0x8
[  267.071722]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.076477]  ? retint_kernel+0x2d/0x2d
[  267.080365]  ? trace_hardirqs_on_caller+0xc0/0x310
[  267.085300]  ? rcu_gp_kthread+0x2310/0x2310
[  267.089707]  ? trace_hardirqs_off+0x310/0x310
[  267.094205]  ? lock_acquire+0x1ed/0x520
[  267.098175]  ? bpf_test_run+0x3cb/0x780
[  267.102152]  ? lock_downgrade+0x900/0x900
[  267.106309]  ? lock_release+0x970/0x970
[  267.110287]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  267.116084]  ? preempt_schedule_common+0x1f/0xd0
[  267.120850]  ? preempt_schedule+0x4d/0x60
[  267.124997]  ? ___preempt_schedule+0x16/0x18
[  267.129407]  ? bpf_test_run+0x25d/0x780
[  267.133384]  ? netlink_diag_dump+0x2a0/0x2a0
[  267.137792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.143328]  ? bpf_test_init.isra.9+0x70/0x100
[  267.147910]  ? bpf_prog_test_run_skb+0x634/0xb40
[  267.152665]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  267.157502]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.163034]  ? fput+0x130/0x1a0
[  267.166434]  ? __bpf_prog_get+0x9b/0x290
[  267.170495]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  267.175334]  ? bpf_prog_test_run+0x130/0x1a0
[  267.179744]  ? __x64_sys_bpf+0x3d8/0x510
[  267.183800]  ? bpf_prog_get+0x20/0x20
[  267.187611]  ? do_syscall_64+0x1b9/0x820
[  267.191677]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  267.197042]  ? syscall_return_slowpath+0x5e0/0x5e0
[  267.201966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.206808]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.211822]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  267.216838]  ? prepare_exit_to_usermode+0x291/0x3b0
[  267.222032]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.226881]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  267.232257] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  267.232310] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  267.239089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  267.239093] Call Trace:
[  267.239126]  dump_stack+0x1c4/0x2b4
[  267.239143]  ? dump_stack_print_info.cold.2+0x52/0x52
[  267.245691] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  267.254967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.257524] syz-executor4 cpuset=
[  267.261153]  warn_alloc.cold.119+0xb7/0x1bd
[  267.266330] syz4
[  267.276811]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  267.282322]  mems_allowed=0
[  267.285780]  ? lock_downgrade+0x900/0x900
[  267.303996]  ? trace_hardirqs_off+0xb8/0x310
[  267.308409]  ? trace_hardirqs_off+0xb8/0x310
[  267.312818]  __alloc_pages_slowpath+0x2667/0x2d80
[  267.317670]  ? mark_held_locks+0x130/0x130
[  267.321908]  ? warn_alloc+0x120/0x120
[  267.325707]  ? warn_alloc+0x120/0x120
[  267.329509]  ? warn_alloc+0x120/0x120
[  267.333305]  ? mark_held_locks+0x130/0x130
[  267.337544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.343078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.348632]  ? should_fail+0x22d/0xd01
[  267.352525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.357626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.363166]  ? should_fail+0x22d/0xd01
[  267.367056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.372157]  ? should_fail+0x22d/0xd01
[  267.376045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.381149]  ? mark_held_locks+0x130/0x130
[  267.385380]  ? mark_held_locks+0x130/0x130
[  267.389613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.395149]  ? trace_hardirqs_off+0xb8/0x310
[  267.399551]  ? kasan_check_read+0x11/0x20
[  267.403697]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.408100]  ? trace_hardirqs_on+0x310/0x310
[  267.412517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.418049]  ? wq_watchdog_touch+0x9c/0xfe
[  267.422281]  ? io_serial_in+0x11/0x90
[  267.426084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.431639]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.436755]  __alloc_pages_nodemask+0xa80/0xde0
[  267.441420]  ? should_fail+0x22d/0xd01
[  267.445307]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  267.450334]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.455003]  ? lock_downgrade+0x900/0x900
[  267.459151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.464687]  cache_grow_begin+0x91/0x8c0
[  267.468749]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.473161]  fallback_alloc+0x203/0x2e0
[  267.477145]  ____cache_alloc_node+0x1c7/0x1e0
[  267.481643]  kmem_cache_alloc_node+0xe3/0x730
[  267.486173]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.490418]  __alloc_skb+0x119/0x770
[  267.494143]  ? skb_scrub_packet+0x490/0x490
[  267.498482]  ? lock_downgrade+0x900/0x900
[  267.502647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.508198]  ? refcount_sub_and_test_checked+0x203/0x310
[  267.513646]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  267.519092]  ? addrconf_rs_timer+0x690/0x690
[  267.523512]  ndisc_alloc_skb+0x144/0x340
[  267.527569]  ndisc_send_rs+0x331/0x6e0
[  267.531454]  addrconf_rs_timer+0x314/0x690
[  267.535688]  ? lock_release+0x970/0x970
[  267.539660]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.543904]  call_timer_fn+0x272/0x920
[  267.547795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.552031]  ? process_timeout+0x40/0x40
[  267.556089]  ? kasan_check_read+0x11/0x20
[  267.560248]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.564659]  ? trace_hardirqs_on+0x310/0x310
[  267.569075]  ? __run_timers+0x7da/0xc70
[  267.573057]  ? lock_downgrade+0x900/0x900
[  267.577215]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.582322]  ? trace_hardirqs_on+0xbd/0x310
[  267.586639]  ? kasan_check_read+0x11/0x20
[  267.590788]  ? __run_timers+0x7da/0xc70
[  267.594760]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.600211]  ? kasan_check_write+0x14/0x20
[  267.604455]  ? do_raw_spin_lock+0xc1/0x200
[  267.608689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.612920]  __run_timers+0x7e5/0xc70
[  267.616741]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  267.622103]  ? lock_downgrade+0x900/0x900
[  267.626263]  ? finish_task_switch+0x1b5/0x900
[  267.630755]  ? trace_hardirqs_on+0xbd/0x310
[  267.635069]  ? kasan_check_read+0x11/0x20
[  267.639216]  ? finish_task_switch+0x1f5/0x900
[  267.643708]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.649155]  ? compat_start_thread+0x80/0x80
[  267.653582]  ? pvclock_read_flags+0x160/0x160
[  267.658085]  ? __switch_to_asm+0x34/0x70
[  267.662154]  ? __switch_to_asm+0x34/0x70
[  267.666208]  ? __switch_to_asm+0x40/0x70
[  267.670270]  ? __switch_to_asm+0x40/0x70
[  267.674330]  ? __switch_to_asm+0x34/0x70
[  267.678394]  ? __switch_to_asm+0x40/0x70
[  267.682461]  ? trace_hardirqs_on+0xbd/0x310
[  267.686783]  ? kvm_sched_clock_read+0x9/0x20
[  267.691195]  ? run_ksoftirqd+0x94/0x100
[  267.695171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.700703]  ? check_preemption_disabled+0x48/0x200
[  267.705713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.711256]  run_timer_softirq+0x52/0xb0
[  267.715317]  ? __this_cpu_preempt_check+0x1c/0x1f
[  267.720154]  __do_softirq+0x30b/0xad8
[  267.723967]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  267.729073]  ? trace_hardirqs_off+0x310/0x310
[  267.733573]  ? retint_kernel+0x1b/0x2d
[  267.737462]  ? schedule+0x108/0x460
[  267.741093]  ? trace_hardirqs_off+0xb8/0x310
[  267.745509]  ? smpboot_thread_fn+0x68b/0xa00
[  267.749917]  ? trace_hardirqs_on+0x310/0x310
[  267.754324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.759860]  ? check_preemption_disabled+0x48/0x200
[  267.764910]  ? takeover_tasklets+0xa90/0xa90
[  267.769316]  run_ksoftirqd+0x94/0x100
[  267.773136]  smpboot_thread_fn+0x68b/0xa00
[  267.777369]  ? sort_range+0x30/0x30
[  267.780996]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.786100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.791650]  ? __kthread_parkme+0xfb/0x1a0
[  267.795888]  kthread+0x35a/0x420
[  267.799252]  ? sort_range+0x30/0x30
[  267.802880]  ? kthread_bind+0x40/0x40
[  267.806683]  ret_from_fork+0x3a/0x50
[  267.810401] warn_alloc_show_mem: 1 callbacks suppressed
[  267.810413] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  267.810415] Mem-Info:
[  267.810446] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  267.810446]  active_file:17 inactive_file:15 isolated_file:0
[  267.810446]  unevictable:0 dirty:0 writeback:0 unstable:0
[  267.810446]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  267.810446]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  267.810446]  free:13630 free_pcp:175 free_cma:0
[  267.815778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  267.823051] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  267.825442] Call Trace:
[  267.858483] Node 0 
[  267.867871]  <IRQ>
[  267.895651] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  267.898210]  dump_stack+0x1c4/0x2b4
[  267.900416] lowmem_reserve[]:
[  267.902557]  ? dump_stack_print_info.cold.2+0x52/0x52
[  267.928028]  0
[  267.931651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.934725]  2819
[  267.939906]  warn_alloc.cold.119+0xb7/0x1bd
[  267.941676]  6323
[  267.947215]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  267.949260]  6323
[  267.953573]  ? lock_downgrade+0x900/0x900
[  267.960450]  ? trace_hardirqs_off+0xb8/0x310
[  267.962484] Node 0 
[  267.966624]  ? trace_hardirqs_off+0xb8/0x310
[  267.971021] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  267.973227]  __alloc_pages_slowpath+0x2667/0x2d80
[  267.977606] lowmem_reserve[]:
[  268.004592]  ? warn_alloc+0x120/0x120
[  268.009397]  0
[  268.012491]  ? trace_hardirqs_on+0x310/0x310
[  268.016261]  0
[  268.018077]  ? warn_alloc+0x120/0x120
[  268.022458]  3503
[  268.024273]  ? warn_alloc+0x120/0x120
[  268.028051]  3503
[  268.030114]  ? ktime_get+0x2e1/0x440
[  268.035946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.039632] Node 0 
[  268.045157]  ? check_preemption_disabled+0x48/0x200
[  268.045192] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  268.047391]  ? kasan_check_read+0x11/0x20
[  268.052376] lowmem_reserve[]:
[  268.080825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.084945]  0
[  268.088073]  ? should_fail+0x22d/0xd01
[  268.093576]  0
[  268.095373]  ? rcu_bh_qs+0xc0/0xc0
[  268.099228]  0
[  268.101024]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.104787]  0
[  268.106592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.111663] Node 0 
[  268.113458]  ? should_fail+0x22d/0xd01
[  268.118967] DMA: 
[  268.121206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.125066] 1*4kB 
[  268.127125]  ? should_fail+0x22d/0xd01
[  268.132226] (U) 
[  268.134371]  ? rcu_idle_enter+0x4b0/0x4b0
[  268.138232] 0*8kB 
[  268.140202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.144320] 0*16kB 
[  268.146458]  ? mark_held_locks+0x130/0x130
[  268.151531] 1*32kB 
[  268.153759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.157965] (U) 
[  268.160196]  ? mark_held_locks+0x130/0x130
[  268.165707] 2*64kB 
[  268.167681]  ? rcu_irq_exit+0xce/0x100
[  268.171885] (U) 
[  268.174122]  ? irq_exit+0xbd/0x1c0
[  268.177991] 1*128kB 
[  268.179961]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  268.183469] (U) 
[  268.185787]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.190771] 1*256kB 
[  268.192741]  ? smp_call_function_single_interrupt+0x650/0x650
[  268.197124] (U) 
[  268.199445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.205297] 0*512kB 
[  268.207267]  ? ret_from_intr+0xb/0x1e
[  268.212773] 1*1024kB 
[  268.215087]  ? retint_kernel+0x2d/0x2d
[  268.218874] (U) 
[  268.221281]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.225142] 1*2048kB 
[  268.227123]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.232021] (M) 
[  268.234910]  ? trace_hardirqs_off+0x310/0x310
[  268.239637] 3*4096kB 
[  268.241610]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.246074] (M) 
[  268.248488]  __alloc_pages_nodemask+0xa80/0xde0
[  268.253557] = 15908kB
[  268.255721]  ? should_fail+0x22d/0xd01
[  268.260358] Node 0 
[  268.262765]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  268.266625] DMA32: 
[  268.268868]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.273843] 3*4kB 
[  268.276075]  ? lock_downgrade+0x900/0x900
[  268.280710] (ME) 
[  268.282860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.286974] 2*8kB 
[  268.289029]  cache_grow_begin+0x91/0x8c0
[  268.294540] (ME) 
[  268.296686]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.300714] 4*16kB 
[  268.302770]  fallback_alloc+0x203/0x2e0
[  268.307150] (UME) 
[  268.309379]  ____cache_alloc_node+0x1c7/0x1e0
[  268.313325] 3*32kB 
[  268.315468]  kmem_cache_alloc_node+0xe3/0x730
[  268.319934] (ME) 
[  268.322163]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.326635] 5*64kB 
[  268.328688]  __alloc_skb+0x119/0x770
[  268.332891] (ME) 
[  268.335125]  ? skb_scrub_packet+0x490/0x490
[  268.338829] 5*128kB 
[  268.340881]  ? lock_downgrade+0x900/0x900
[  268.345179] (UME) 
[  268.347501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.351618] 5*256kB 
[  268.353764]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.359269] (UME) 
[  268.361585]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.367007] 4*512kB 
[  268.369151]  ? addrconf_rs_timer+0x690/0x690
[  268.374571] (ME) 
[  268.376888]  ndisc_alloc_skb+0x144/0x340
[  268.381264] 4*1024kB 
[  268.383316]  ndisc_send_rs+0x331/0x6e0
[  268.387350] (UME) 
[  268.389752]  addrconf_rs_timer+0x314/0x690
[  268.393609] 2*2048kB 
[  268.395752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.399962] (ME) 
[  268.402369]  call_timer_fn+0x272/0x920
[  268.406577] 3*4096kB 
[  268.408633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.412491] (M) 
[  268.414896]  ? process_timeout+0x40/0x40
[  268.419100] = 24956kB
[  268.421074]  ? trace_hardirqs_off+0xb8/0x310
[  268.425116] Node 0 
[  268.427526]  ? kasan_check_read+0x11/0x20
[  268.431908] Normal: 
[  268.434145]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.438262] 1016*4kB 
[  268.440579]  ? trace_hardirqs_on+0x310/0x310
[  268.444974] (UME) 
[  268.447379]  ? __run_timers+0x7da/0xc70
[  268.451756] 447*8kB 
[  268.453900]  ? lock_downgrade+0x900/0x900
[  268.457845] (ME) 
[  268.460165]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.464288] 188*16kB 
[  268.466342]  ? trace_hardirqs_on+0xbd/0x310
[  268.471418] (UME) 
[  268.473817]  ? kasan_check_read+0x11/0x20
[  268.478125] 54*32kB 
[  268.480276]  ? __run_timers+0x7da/0xc70
[  268.484396] (UME) 
[  268.486714]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.490656] 20*64kB 
[  268.492797]  ? kasan_check_write+0x14/0x20
[  268.498216] (UM) 
[  268.500534]  ? do_raw_spin_lock+0xc1/0x200
[  268.504740] 0*128kB 
[  268.506793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.510999] 0*256kB 
[  268.513323]  __run_timers+0x7e5/0xc70
[  268.517526] 0*512kB 
[  268.519849]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  268.523616] 0*1024kB 
[  268.525936]  ? lock_acquire+0x1ed/0x520
[  268.531272] 0*2048kB 
[  268.533672]  ? __hrtimer_run_queues+0x488/0x10d0
[  268.537618] 0*4096kB 
[  268.540026]  ? lock_release+0x970/0x970
[  268.544752] = 13656kB
[  268.547157]  ? trace_hardirqs_off+0xb8/0x310
[  268.551125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  268.553522]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.557907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  268.566745]  ? kasan_check_write+0x14/0x20
[  268.571135] 4246 total pagecache pages
[  268.579704]  ? pvclock_read_flags+0x160/0x160
[  268.583913] 0 pages in swap cache
[  268.587792]  ? lock_downgrade+0x900/0x900
[  268.592259] Swap cache stats: add 0, delete 0, find 0/0
[  268.595700]  ? trace_hardirqs_on+0xbd/0x310
[  268.599823] Free swap  = 0kB
[  268.605176]  ? kvm_sched_clock_read+0x9/0x20
[  268.609467] Total swap = 0kB
[  268.612478]  ? irq_exit+0x17f/0x1c0
[  268.616864] 1965979 pages RAM
[  268.619886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.623487] 0 pages HighMem/MovableOnly
[  268.626590]  ? check_preemption_disabled+0x48/0x200
[  268.632106] 342307 pages reserved
[  268.636088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.641075] 0 pages cma reserved
[  268.644527]  run_timer_softirq+0x52/0xb0
[  268.650104] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.653409]  ? __this_cpu_preempt_check+0x1c/0x1f
[  268.657533] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.663949]  __do_softirq+0x30b/0xad8
[  268.668766] ksoftirqd/0 cpuset=
[  268.679081]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  268.682843] /
[  268.686128]  ? pvclock_read_flags+0x160/0x160
[  268.691209]  mems_allowed=0
[  268.692912]  ? lapic_next_event+0x5a/0x90
[  268.704435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.709971]  ? clockevents_program_event+0x140/0x370
[  268.715075]  ? kvm_clock_read+0x18/0x30
[  268.719055]  ? kvm_sched_clock_read+0x9/0x20
[  268.723461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.728995]  ? check_preemption_disabled+0x48/0x200
[  268.734014]  irq_exit+0x17f/0x1c0
[  268.737466]  smp_apic_timer_interrupt+0x1cb/0x760
[  268.742305]  ? smp_reschedule_interrupt+0x109/0x650
[  268.747316]  ? smp_call_function_single_interrupt+0x650/0x650
[  268.753200]  ? interrupt_entry+0xb5/0xf0
[  268.757261]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.762275]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.767289]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.772134]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.777153]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.782171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.787708]  ? check_preemption_disabled+0x48/0x200
[  268.792730]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.797578]  apic_timer_interrupt+0xf/0x20
[  268.801801]  </IRQ>
[  268.804039] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  268.808972] Code: 7e 0f 85 cf fe ff ff e8 26 5f 3e ff e9 c5 fe ff ff e8 8d c2 c2 ff 48 83 3d dd d3 6f 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 62 23
[  268.827877] RSP: 0018:ffff8801947ef748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  268.835593] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a0cb000
[  268.842886] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  268.850160] RBP: ffff8801947ef7b0 R08: ffff8801947e4080 R09: fffffbfff12720c0
[  268.857432] R10: ffff8801947ee390 R11: ffffffff89390603 R12: 0000000000000000
[  268.864702] R13: ffff8801d9bd5800 R14: ffff8801d9bd5800 R15: 0000000000480020
[  268.871994]  ? trace_hardirqs_on+0xb4/0x310
[  268.876335]  skb_clone+0x1bb/0x500
[  268.879877]  ? skb_split+0x11e0/0x11e0
[  268.883789]  ? preempt_notifier_register+0x200/0x200
[  268.888890]  ? __switch_to_asm+0x34/0x70
[  268.892950]  ? __switch_to_asm+0x34/0x70
[  268.897014]  ? __switch_to_asm+0x40/0x70
[  268.901073]  ? __switch_to_asm+0x34/0x70
[  268.905138]  ? __switch_to_asm+0x40/0x70
[  268.909202]  ? __switch_to_asm+0x40/0x70
[  268.913259]  ? __switch_to_asm+0x34/0x70
[  268.917321]  ? __switch_to_asm+0x34/0x70
[  268.921378]  ? __switch_to_asm+0x40/0x70
[  268.925435]  ? __switch_to_asm+0x34/0x70
[  268.929498]  bpf_clone_redirect+0xb9/0x490
[  268.933736]  bpf_prog_bebbfe2050753572+0xeef/0x1000
[  268.938755]  ? __sched_text_start+0x8/0x8
[  268.942902]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.947659]  ? retint_kernel+0x2d/0x2d
[  268.951592]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.956527]  ? rcu_gp_kthread+0x2310/0x2310
[  268.960848]  ? trace_hardirqs_off+0x310/0x310
[  268.965353]  ? lock_acquire+0x1ed/0x520
[  268.969326]  ? bpf_test_run+0x3cb/0x780
[  268.973306]  ? lock_downgrade+0x900/0x900
[  268.977460]  ? lock_release+0x970/0x970
[  268.981442]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  268.987254]  ? preempt_schedule_common+0x1f/0xd0
[  268.992011]  ? preempt_schedule+0x4d/0x60
[  268.996167]  ? ___preempt_schedule+0x16/0x18
[  269.000583]  ? bpf_test_run+0x25d/0x780
[  269.004560]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.008977]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.014517]  ? bpf_test_init.isra.9+0x70/0x100
[  269.019122]  ? bpf_prog_test_run_skb+0x634/0xb40
[  269.023884]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.028733]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.034268]  ? fput+0x130/0x1a0
[  269.037545]  ? __bpf_prog_get+0x9b/0x290
[  269.041606]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.046448]  ? bpf_prog_test_run+0x130/0x1a0
[  269.050857]  ? __x64_sys_bpf+0x3d8/0x510
[  269.054914]  ? bpf_prog_get+0x20/0x20
[  269.058725]  ? do_syscall_64+0x1b9/0x820
[  269.062806]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  269.068167]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.073091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.077945]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.082962]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  269.087979]  ? prepare_exit_to_usermode+0x291/0x3b0
[  269.093000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.097844]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  269.103219] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #119
[  269.103273] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.110056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.110061] Call Trace:
[  269.110079]  dump_stack+0x1c4/0x2b4
[  269.110095]  ? dump_stack_print_info.cold.2+0x52/0x52
[  269.116645] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.125932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.128493] syz-executor4 cpuset=
[  269.132130]  warn_alloc.cold.119+0xb7/0x1bd
[  269.137283] syz4
[  269.147766]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.153278]  mems_allowed=0
[  269.156719]  ? lock_downgrade+0x900/0x900
[  269.174893]  ? trace_hardirqs_off+0xb8/0x310
[  269.179301]  ? trace_hardirqs_off+0xb8/0x310
[  269.183717]  __alloc_pages_slowpath+0x2667/0x2d80
[  269.188570]  ? mark_held_locks+0x130/0x130
[  269.192804]  ? warn_alloc+0x120/0x120
[  269.196603]  ? warn_alloc+0x120/0x120
[  269.200404]  ? warn_alloc+0x120/0x120
[  269.204203]  ? mark_held_locks+0x130/0x130
[  269.208443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.213977]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.219512]  ? should_fail+0x22d/0xd01
[  269.223401]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.228503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.234042]  ? should_fail+0x22d/0xd01
[  269.237936]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.243036]  ? should_fail+0x22d/0xd01
[  269.246931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.252036]  ? mark_held_locks+0x130/0x130
[  269.256276]  ? mark_held_locks+0x130/0x130
[  269.260535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.266079]  ? trace_hardirqs_off+0xb8/0x310
[  269.270493]  ? kasan_check_read+0x11/0x20
[  269.274645]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.279053]  ? trace_hardirqs_on+0x310/0x310
[  269.283460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.288993]  ? wq_watchdog_touch+0x9c/0xfe
[  269.293230]  ? io_serial_in+0x11/0x90
[  269.297026]  ? retint_kernel+0x2d/0x2d
[  269.300914]  ? trace_hardirqs_on_caller+0xc0/0x310
[  269.305853]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.310610]  ? trace_hardirqs_off+0x310/0x310
[  269.315102]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.320229]  __alloc_pages_nodemask+0xa80/0xde0
[  269.324898]  ? should_fail+0x22d/0xd01
[  269.328790]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  269.333820]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.338487]  ? lock_downgrade+0x900/0x900
[  269.342636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.348177]  cache_grow_begin+0x91/0x8c0
[  269.352235]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.356648]  fallback_alloc+0x203/0x2e0
[  269.360626]  ____cache_alloc_node+0x1c7/0x1e0
[  269.365133]  kmem_cache_alloc_node+0xe3/0x730
[  269.369624]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.373864]  __alloc_skb+0x119/0x770
[  269.377581]  ? skb_scrub_packet+0x490/0x490
[  269.381901]  ? lock_downgrade+0x900/0x900
[  269.386053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.391592]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.397045]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.402496]  ? addrconf_rs_timer+0x690/0x690
[  269.406911]  ndisc_alloc_skb+0x144/0x340
[  269.410973]  ndisc_send_rs+0x331/0x6e0
[  269.414860]  addrconf_rs_timer+0x314/0x690
[  269.419095]  ? lock_release+0x970/0x970
[  269.423076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.427321]  call_timer_fn+0x272/0x920
[  269.431203]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.435440]  ? process_timeout+0x40/0x40
[  269.439494]  ? kasan_check_read+0x11/0x20
[  269.443644]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.448055]  ? trace_hardirqs_on+0x310/0x310
[  269.452464]  ? __run_timers+0x7da/0xc70
[  269.456435]  ? lock_downgrade+0x900/0x900
[  269.460585]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.465690]  ? trace_hardirqs_on+0xbd/0x310
[  269.470008]  ? kasan_check_read+0x11/0x20
[  269.474175]  ? __run_timers+0x7da/0xc70
[  269.478152]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.483604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.489152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.493387]  __run_timers+0x7e5/0xc70
[  269.497192]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  269.502553]  ? lock_downgrade+0x900/0x900
[  269.506697]  ? finish_task_switch+0x1b5/0x900
[  269.511195]  ? trace_hardirqs_on+0xbd/0x310
[  269.515513]  ? kasan_check_read+0x11/0x20
[  269.519663]  ? finish_task_switch+0x1f5/0x900
[  269.524161]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.529614]  ? compat_start_thread+0x80/0x80
[  269.534033]  ? pvclock_read_flags+0x160/0x160
[  269.538529]  ? __switch_to_asm+0x34/0x70
[  269.542591]  ? __switch_to_asm+0x34/0x70
[  269.546652]  ? __switch_to_asm+0x40/0x70
[  269.550713]  ? __switch_to_asm+0x40/0x70
[  269.554789]  ? __switch_to_asm+0x34/0x70
[  269.558849]  ? __switch_to_asm+0x40/0x70
[  269.562928]  ? trace_hardirqs_on+0xbd/0x310
[  269.567253]  ? kvm_sched_clock_read+0x9/0x20
[  269.571659]  ? run_ksoftirqd+0x94/0x100
[  269.575639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.581186]  ? check_preemption_disabled+0x48/0x200
[  269.586198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.591740]  run_timer_softirq+0x52/0xb0
[  269.595799]  ? __this_cpu_preempt_check+0x1c/0x1f
[  269.600655]  __do_softirq+0x30b/0xad8
[  269.604459]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  269.609558]  ? trace_hardirqs_off+0x310/0x310
[  269.614051]  ? retint_kernel+0x1b/0x2d
[  269.617938]  ? schedule+0x108/0x460
[  269.621589]  ? trace_hardirqs_off+0xb8/0x310
[  269.626000]  ? smpboot_thread_fn+0x68b/0xa00
[  269.630405]  ? trace_hardirqs_on+0x310/0x310
[  269.634815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.640351]  ? check_preemption_disabled+0x48/0x200
[  269.645369]  ? takeover_tasklets+0xa90/0xa90
[  269.649799]  run_ksoftirqd+0x94/0x100
[  269.653614]  smpboot_thread_fn+0x68b/0xa00
[  269.657848]  ? sort_range+0x30/0x30
[  269.661473]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.666572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.672104]  ? __kthread_parkme+0xfb/0x1a0
[  269.676356]  kthread+0x35a/0x420
[  269.679721]  ? sort_range+0x30/0x30
[  269.683343]  ? kthread_bind+0x40/0x40
[  269.687153]  ret_from_fork+0x3a/0x50
[  269.690872] warn_alloc_show_mem: 1 callbacks suppressed
[  269.690885] CPU: 1 PID: 8168 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #119
[  269.690886] Mem-Info:
[  269.690917] active_anon:48578 inactive_anon:4207 isolated_anon:0
[  269.690917]  active_file:17 inactive_file:15 isolated_file:0
[  269.690917]  unevictable:0 dirty:0 writeback:0 unstable:0
[  269.690917]  slab_reclaimable:8873 slab_unreclaimable:1473315
[  269.690917]  mapped:49154 shmem:4214 pagetables:679 bounce:0
[  269.690917]  free:13630 free_pcp:175 free_cma:0
[  269.696251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.703525] Node 0 active_anon:194312kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  269.705924] Call Trace:
[  269.738969] Node 0 
[  269.748315]  <IRQ>
[  269.776134] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  269.778677]  dump_stack+0x1c4/0x2b4
[  269.780886] lowmem_reserve[]:
[  269.783029]  ? dump_stack_print_info.cold.2+0x52/0x52
[  269.808511]  0
[  269.812153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.815224]  2819
[  269.820416]  warn_alloc.cold.119+0xb7/0x1bd
[  269.822187]  6323
[  269.827720]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.829752]  6323
[  269.834070]  ? lock_downgrade+0x900/0x900
[  269.840946]  ? trace_hardirqs_off+0xb8/0x310
[  269.842980] Node 0 
[  269.847131]  ? trace_hardirqs_off+0xb8/0x310
[  269.851547] DMA32 free:24956kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  269.853744]  __alloc_pages_slowpath+0x2667/0x2d80
[  269.858134] lowmem_reserve[]:
[  269.885150]  ? warn_alloc+0x120/0x120
[  269.889980]  0
[  269.893081]  ? trace_hardirqs_on+0x310/0x310
[  269.896845]  0
[  269.898647]  ? warn_alloc+0x120/0x120
[  269.903021]  3503
[  269.904822]  ? warn_alloc+0x120/0x120
[  269.908606]  3503
[  269.910669]  ? ktime_get+0x2e1/0x440
[  269.916502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.920182] Node 0 
[  269.925710]  ? check_preemption_disabled+0x48/0x200
[  269.925725]  ? kasan_check_read+0x11/0x20
[  269.927967] Normal free:13656kB min:37352kB low:46688kB high:56024kB active_anon:186120kB inactive_anon:16828kB active_file:68kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2716kB bounce:0kB free_pcp:452kB local_pcp:204kB free_cma:0kB
[  269.932952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.937068] lowmem_reserve[]:
[  269.965533]  ? should_fail+0x22d/0xd01
[  269.971044]  0
[  269.974153]  ? rcu_bh_qs+0xc0/0xc0
[  269.978011]  0
[  269.979816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.983319]  0
[  269.985123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.990199]  0
[  269.992000]  ? should_fail+0x22d/0xd01
[  269.999317]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.003178] Node 0 
[  270.008282]  ? should_fail+0x22d/0xd01
[  270.008284] DMA: 1*4kB 
[  270.010522]  ? rcu_idle_enter+0x4b0/0x4b0
[  270.014380] (U) 
[  270.016966]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.021091] 0*8kB 
[  270.023066]  ? mark_held_locks+0x130/0x130
[  270.028149] 0*16kB 
[  270.030293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.034499] 1*32kB 
[  270.036728]  ? mark_held_locks+0x130/0x130
[  270.042235] (U) 
[  270.044466]  ? rcu_irq_exit+0xce/0x100
[  270.048674] 2*64kB 
[  270.050644]  ? irq_exit+0xbd/0x1c0
[  270.054506] (U) 
[  270.056733]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  270.060249] 1*128kB 
[  270.062234]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.067219] (U) 
[  270.069535]  ? smp_call_function_single_interrupt+0x650/0x650
[  270.073924] 1*256kB 
[  270.075887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.081741] (U) 
[  270.084060]  ? ret_from_intr+0xb/0x1e
[  270.089569] 0*512kB 
[  270.091535]  ? retint_kernel+0x2d/0x2d
[  270.095309] 1*1024kB 
[  270.097630]  ? trace_hardirqs_on_caller+0xc0/0x310
[  270.101498] (U) 
[  270.104155]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  270.109062] 1*2048kB 
[  270.111030]  ? trace_hardirqs_off+0x310/0x310
[  270.115760] (M) 
[  270.118166]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.122635] 3*4096kB 
[  270.124609]  __alloc_pages_nodemask+0xa80/0xde0
[  270.129676] (M) 
[  270.132079]  ? should_fail+0x22d/0xd01
[  270.136716] = 15908kB
[  270.138682]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  270.142542] Node 0 
[  270.144954]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.149934] DMA32: 
[  270.152162]  ? lock_downgrade+0x900/0x900
[  270.156810] 3*4kB 
[  270.159044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.163159] (ME) 
[  270.165300]  cache_grow_begin+0x91/0x8c0
[  270.170809] 2*8kB 
[  270.173386]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.177418] (ME) 
[  270.179561]  fallback_alloc+0x203/0x2e0
[  270.183944] 4*16kB 
[  270.185998]  ____cache_alloc_node+0x1c7/0x1e0
[  270.189940] (UME) 
[  270.192169]  kmem_cache_alloc_node+0xe3/0x730
[  270.196634] 3*32kB 
[  270.198778]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.203242] (ME) 
[  270.205472]  __alloc_skb+0x119/0x770
[  270.209677] 5*64kB 
[  270.211729]  ? skb_scrub_packet+0x490/0x490
[  270.215418] (ME) 
[  270.217651]  ? lock_downgrade+0x900/0x900
[  270.221949] 5*128kB 
[  270.224006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.228137] (UME) 5*256kB 
[  270.230461]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.236061] (UME) 
[  270.238902]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.244324] 4*512kB 
[  270.246466]  ? addrconf_rs_timer+0x690/0x690
[  270.251889] (ME) 
[  270.254203]  ndisc_alloc_skb+0x144/0x340
[  270.258579] 4*1024kB (UME) 
[  270.260646]  ndisc_send_rs+0x331/0x6e0
[  270.264680] 2*2048kB 
[  270.267599]  addrconf_rs_timer+0x314/0x690
[  270.271489] (ME) 
[  270.273891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.278097] 3*4096kB 
[  270.280162]  call_timer_fn+0x272/0x920
[  270.284372] (M) 
[  270.286774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.290635] = 24956kB
[  270.292604]  ? process_timeout+0x40/0x40
[  270.296813] Node 0 
[  270.299218]  ? trace_hardirqs_off+0xb8/0x310
[  270.303249] Normal: 
[  270.305481]  ? kasan_check_read+0x11/0x20